WO2014019200A1 - Aiguille à demeure avec dispositif de prélèvement de sang sous vide de type seringue - Google Patents

Aiguille à demeure avec dispositif de prélèvement de sang sous vide de type seringue Download PDF

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Publication number
WO2014019200A1
WO2014019200A1 PCT/CN2012/079596 CN2012079596W WO2014019200A1 WO 2014019200 A1 WO2014019200 A1 WO 2014019200A1 CN 2012079596 W CN2012079596 W CN 2012079596W WO 2014019200 A1 WO2014019200 A1 WO 2014019200A1
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WIPO (PCT)
Prior art keywords
syringe
needle
tube
blood
blood collection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/079596
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English (en)
Chinese (zh)
Inventor
张建铭
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN201280074568.7A priority Critical patent/CN104470439B/zh
Priority to PCT/CN2012/079596 priority patent/WO2014019200A1/fr
Publication of WO2014019200A1 publication Critical patent/WO2014019200A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
    • A61B5/1405—Devices for taking blood samples
    • A61B5/1438—Devices for taking blood samples using pre-evacuated means
    • A61B5/1444—Safety means, e.g. for locking cannula
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/15003—Source of blood for venous or arterial blood
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150351—Caps, stoppers or lids for sealing or closing a blood collection vessel or container, e.g. a test-tube or syringe barrel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150503—Single-ended needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
    • A61B5/150572—Pierceable protectors, e.g. shields, caps, sleeves or films, e.g. for hygienic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
    • A61B5/150633—Protective sleeves which are axially extensible, e.g. sleeves connected to, or integrated in, the piercing or driving device; pivotable protective sleeves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150732—Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/15074—Needle sets comprising wings, e.g. butterfly type, for ease of handling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150992—Blood sampling from a fluid line external to a patient, such as a catheter line, combined with an infusion line; Blood sampling from indwelling needle sets, e.g. sealable ports, luer couplings or valves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
    • A61B5/154—Devices using pre-evacuated means
    • A61B5/1545—Devices using pre-evacuated means comprising means for indicating vein or arterial entry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps

Definitions

  • the invention relates to a human external indwelling device for clinical medical treatment, in particular to an indwelling needle with a syringe type vacuum blood collecting device.
  • a blood collection and indwelling device is shown in Fig. 1. It is formed by docking a venous indwelling needle 8 and a vacuum blood collection device during vacuum blood collection.
  • Vacuum blood collection device including blood collection needle and blood sample collection tube 2
  • One end of the blood collection needle is a vascular puncture needle 11
  • the other end is provided with a rubber sleeve blood collection needle 12
  • the middle is connected by a PVC soft connection tube 16 .
  • the principle of use is: first use the intravenous indwelling needle 8 for external placement Indwelling catheter, and then using the vascular puncture needle in the vacuum blood collection device 11
  • the method of docking and bleeding with the indwelling needle extension tube connector has great inconvenience and safety hazard.
  • the infusion set Before the indwelling needle is used, it is necessary to first dock the infusion set for venting and check whether the indwelling needle infusion channel is unobstructed. After the infusion regulating switch is turned off, the tube is inserted. After the tube is successfully installed, the indwelling tube must be closed. After the waste container is removed, the infusion set connector is removed, the extension tube passage of the indwelling catheter is opened, and the liquid in the indwelling catheter is discharged into the waste container until the blood flows out of the docking port a little, and the extension tube passage on the indwelling catheter is closed again, and the vacuum is taken.
  • the blood indwelling device has the following disadvantages: during the blood collection process, there is a gap between the blood collection device and the infusion infusion device, and the blood of the patient stays in the indwelling catheter, which is likely to cause blood coagulation.
  • the object of the present invention is to overcome the deficiencies in the prior art, and to provide a structure with simplified structure, simple operation, and reduced safety hazard.
  • An indwelling needle with a syringe vacuum blood collection device is to provide a structure with simplified structure, simple operation, and reduced safety hazard.
  • the object of the present invention is achieved by the following route.
  • Syringe type vacuum blood collection device An indwelling needle, including a catheter assembly and a needle assembly, the catheter assembly including a catheter, a catheter hub, a spacer, an extension tube, a connector, and a closure member, the main point of which is that the needle assembly is a vacuum blood collection device including a vascular puncture needle a blood collection needle tube, a blood sample collection tube and a syringe, and the tail end of the blood vessel needle is eccentrically inserted into the puncture needle holder at the front of the syringe in a manner close to the outer circumferential surface of the syringe, and the needle tip of the needle tube and most of the needle tube are Exposed to the outside of the syringe and through the isolation plug, through the lumen of the catheter hub, through the catheter, the tip of the needle exposes the tip of the catheter.
  • the needle assembly is a vacuum blood collection device including a vascular puncture needle a blood collection needle tube, a blood sample collection tube and a sy
  • the inside of the syringe has a sealed cavity and a cylindrical cavity, wherein the sealing cavity is located in front of the cylindrical cavity.
  • the tube of the vascular puncture needle tube is in communication with the sealing chamber, the front end of the blood collection needle tube is fixed on the wall of the sealing chamber, the back end and the needle tube are mostly extended backward and inserted into the tube plug of the blood sample collection tube, and the blood collection needle tube is
  • the die is in communication with the sealed cavity, the cylindrical cavity is located behind the sealed cavity and the rear end thereof is open, and the blood sample collection tube is inserted in the tubular cavity in a removable manner ,
  • a blood sample collection tube having a rear end wall plug seal layer may be pierced lancet rear tube ,
  • the cylindrical cavity of the front end face of the blood sample collection tube has a space for accommodating the blood sample collection tube that is pushed forward by the piercing of the sealing layer, the vascular puncture needle tube die, the sealing cavity, the blood collection needle tube die, and the pierced
  • the vascular puncture needle tube, the blood collection needle tube and the blood sample collection tube are rigidly coupled by a syringe, so that the three are not only integrally constructed but also constitute a traditional syringe structure, the structure is simplified, the holding operation is convenient, and the operation process is the same as that of the traditional syringe. The operation is extremely similar.
  • the conventional exhaust operation that is, connect the infusion set to the connector on the catheter assembly, slightly withdraw the puncture needle tip, open the infusion device flow valve, vent the catheter assembly, and then close the flow valve.
  • the puncture needle tip is reset; then the puncture blood collection operation is performed, that is, the needle tube is inserted into the vein of the patient's arm by holding the syringe, and when the blood is returned, the syringe is held by one hand, or the blood sample of the other hand or the other finger of the same hand.
  • the collecting tube is arranged such that the rear end of the blood collecting needle pierces the sealing layer of the blood sample collecting tube plug, and the blood flows into the collecting tube faster due to the negative pressure of the blood sample collecting tube lumen.
  • the blood collection tube is restored by the blood collection sealing sleeve made of soft rubber sleeve. Live the blood collection tube to prevent the blood from flowing out of the catheter to pollute the environment, and then insert a new blood sample collection tube; if it is not necessary to draw blood, simply pull out the puncture needle on the human body, put on the needle tip sheath, and then remove the collection tube. can.
  • the catheter After the puncture needle is withdrawn, the catheter is placed in the blood vessel, and the infusion device flow valve is opened to perform normal infusion treatment.
  • the blood Since the blood is collected through the catheter assembly, the blood is collected directly through the puncture needle. When the blood is collected, the blood does not enter the catheter and the extension tube, so that it is not necessary to perform the operation of withdrawing blood from the blood vessel, and the safety of thrombus and blood return pollution is not generated. Hidden dangers. Moreover, it is only necessary to puncture the patient once to complete the blood collection and catheter indwelling, which is convenient for infusion treatment, reduces the suffering of the patient, and reduces the workload of the medical staff.
  • the object of the present invention can also be achieved by the following means.
  • a vascular puncture needle disposed adjacent to the outer circumferential surface of the barrel and extending forward is parallel to the center of the syringe.
  • the sealed cavity at the front of the syringe is a blood returning cavity, and the outer peripheral surface of the syringe has a see-through portion for observing blood return at a position matching the sealing cavity.
  • the front end portion of the syringe has a wedge shape which is extended downwardly and downwardly.
  • the blood vessel puncture needle tube is fixed to the needle barrel at the lower end of the wedge shape, and the see-through portion of the blood returning body can be observed on the inclined surface of the wedge shape.
  • the upper end of the wedge-shaped bevel intersects the outer peripheral surface of the barrel, and the lower end of the wedge-shaped bevel forms a small boss A near the outer circumferential surface of the barrel.
  • the end of the vascular puncture needle is fixed to the syringe through the boss A.
  • the wedge-shaped bevel is facing the operator who is leaning over and is easy to observe.
  • the see-through portion can be made of a transparent material.
  • the back cover of the sealing chamber has a small boss B, and the front end of the blood collecting needle tube is fixed on the boss B.
  • the blood collection needle is concentrically arranged with the syringe and extends rearward along the center of the syringe.
  • the cylindrical cavity has a front end wall, and the sealing chamber rear cover is spaced apart from the front end wall of the cylindrical cavity, and the blood collection needle tube extending rearward through the front end wall of the cylindrical cavity is simultaneously supported at the front end of the cylindrical cavity On the wall.
  • the blood collection needle has a good support connection rigidity.
  • the blood collection needle tube is covered with a blood collection sealing sleeve, and the blood sample collection tube tube plug center is provided with a core hole extending axially to the sealing layer, and the inner diameter of the core hole is slightly larger than the outer diameter of the blood collection sealing sleeve.
  • the blood collection sealing sleeve is subjected to the axial compression compression and the radial distortion expansion deformation, which is just pressed and rubbed against the inner hole wall of the core hole, and the blood collection needle tube is not allowed. Take out the blood sample collection tube plug.
  • the blood sample collection tube plug sealing layer has a thickness of 3-0.5 MM, preferably 1.5-0.5 MM.
  • the cylindrical cavity has a configuration adapted to the blood sample collection tube plug, which not only facilitates the loading and unloading of the blood sample collection tube, but also forms a tight connection with the blood sample collection tube plug. relationship.
  • a further optimization of this configuration may be such that the blood sample collection tube is inserted into the cylindrical cavity and the adapted configuration is a dimensionally transitionally coupled configuration.
  • the inner wall of the cylindrical cavity is symmetrically disposed circumferentially symmetrically with the elastic contact of the blood sample collection tube plug, and when the two are in the contact state, the rear end of the blood collection needle is just to be pierced. Before the sealing layer.
  • the elastic snap configuration can be a short arc cam or the blood sample collection tube plug is made of a resilient material.
  • the elastic snap-in configuration can cause an elastic tight connection between the inner wall of the cylindrical cavity and the plug, but the blood sample collection tube can still be pushed forward or backward relative to the cylindrical cavity when an axial force is applied.
  • Such short arc convex card points are bumps protruding from the inner wall of the cylindrical cavity, the thickness is low and the front and rear sides have curved transitions to facilitate the crawling of the pipe plug.
  • the configuration in the cylindrical cavity that fits the plug is a plurality of elastic snap contacts that are circumferentially distributed or symmetrically distributed along the inner wall of the cylindrical cavity, and another suitable configuration is made in the tube.
  • L on the outer circumference of the plug a groove and a projecting point formed on the inner wall of the cylindrical cavity, the protruding point entering from the end of the vertical section of the L-shaped groove at the front end face of the pipe plug
  • the groove can slide therein, and when the inner wall of the cylindrical cavity is elastically caught by the pipe plug, the protruding point has entered L In the vertical section of the shaped groove but not yet reaching the bottom end of the vertical section, the rear end of the blood collection needle tube is just before the sealing layer to be pierced, and after the current blood sample collection tube to the blood collection needle tube pierces the sealing layer, The protruding point just reaches the bottom end of the vertical section, at this time, the blood sample collection tube is rotated, and the protruding point enters A cross-section in an
  • the blood sample collection tube is threaded into the cylindrical cavity and the adapted configuration is a threaded connection configuration.
  • the blood sample collection tube plug is composed of a sealing rubber plug and a protective cover, the sealing rubber plug is plugged in the collecting tube lumen, and the protective cover is plugged on the collecting tube nozzle and the sealing rubber plug.
  • the configuration adapted to the cylindrical cavity is generally provided on the protective cover.
  • the length of the cylindrical cavity is less than the length of the blood sample collection tube, and the tail of the blood sample collection tube nested in the cylindrical cavity is exposed outside the cylindrical cavity.
  • the syringe is provided with an elongated slot along the axial direction of the syringe as an operation window at a position corresponding to the inside of the syringe in the blood sample collection tube plug.
  • the operation window has two, relatively distributed in the syringe. On both sides.
  • the blood can be observed through the operation window, the state of the blood volume in the blood sample collection tube can be observed, the insertion state and the insertion degree of the blood sample collection tube can also be observed, and the blood sample collection tube can be first passed through the operation window.
  • the pinch plug is forced back out of the blood sample collection tube to prevent detachment of the collection tube body from the tube plug when exiting the blood sample collection tube.
  • a contact surface is disposed on the outer peripheral surface of the side of the needle barrel adjacent to the vascular puncture needle tube, and the bottom surface of the contact table has a concave shape or a concave curved shape which is adapted to the elbow of the human body.
  • the contact table facilitates the contact between the syringe and the human body, and increases the friction between the syringe and the human skin, so that the syringe is not easily slipped.
  • a flexible applicator is disposed on the outer peripheral surface of the side of the needle tube adjacent to the vascular puncture needle tube.
  • the soft applicator is fixed to the syringe, and has wings on both sides, and the bottom surface of the wing is a flat shape or a A concave curved shape that fits the elbow of the human body.
  • the application of the blade facilitates the contact between the syringe and the human body, and increases the friction between the syringe and the human skin, so that the syringe is not easily slipped.
  • the puncture needle can be retracted into the inner cavity of the protective sleeve, the needle tip of the puncture needle can be prevented from injuring other people to cause infection and the like, and thus the invention can be further deepened into a safe type of syringe vacuum blood collection device.
  • One way is:
  • the puncture needle seat is located in the inner cavity of the inner cylinder of the front end wall of the syringe, and the inner cavity of the puncture needle seat is a sealed cavity, and a sliding groove is arranged on the side wall of the syringe axial direction with a backrest obstacle, and the puncture needle seat is pushed.
  • the handle protrudes out of the sliding groove and is exposed outside the syringe.
  • the axial length of the inner cavity of the syringe is larger than the length of the puncture needle tube exposed outside the syringe.
  • the puncture needle holder and the puncture needle can be pushed along the sliding groove until the puncture needle tube is completely immersed in the syringe, and the syringe is used as a protective sleeve.
  • the retraction obstacle at the end of the sliding groove can prevent the retracted puncture needle seat and the puncture needle from passing through the syringe.
  • the backlash can be a snap point protruding at the end of the sliding slot or a closed end of the sliding slot.
  • a backstop that is mounted between the sliding member and the barrel, and the sliding member that retracts to retract the needle into the barrel lumen will resist contact with the backstop if pushed forward.
  • the sliding member that is retracted in position cannot be pushed forward due to the blocking of the check device. Therefore, it is ensured that the retracted puncture needle can no longer be pulled out, and the syringe vacuum blood collection device of the present invention can be used for one-time use.
  • Such backstop devices are common in prior art needle medical devices and are mostly applicable to the present invention.
  • the present invention provides two optimized backstop devices:
  • the backstop device is an elastic symmetric closing tongue which is installed in the inner cavity of the syringe in front of the puncture needle seat, and the end of the puncture needle is passed through the closing joint of the closing tongue and fixed on the puncture needle seat.
  • the backstop device is composed of an elastic buckle and a concave hole, and the elastic buckle is located on the syringe barrel, and the concave hole is located on the sliding member, and the sliding member that is retracted into position has the concave hole just engaged with the elastic buckle, thereby preventing the puncture needle tube from being pushed forward.
  • the elastic buckle is composed of a elastic suspension tongue and a buckle at the top end of the tongue.
  • the tail end of the sliding groove of the cylinder is hollowed out at a distance parallel to the sliding groove and is hollowed out at the end of the sliding groove and the sliding groove 'U' Shaped wear, this 'U
  • the center of the shape forms a resilient suspension tongue, and the buckle is located at the top end of the elastic suspension tongue and protrudes in the sliding groove, and the concave hole is located on the push handle of the puncture needle holder.
  • the puncture needle holder push back in position along the sliding groove, and the recess is just engaged with the buckle.
  • the utility model further comprises a telescopic protective sleeve which is sleeved together by a fixing sleeve and a sliding sleeve.
  • the needle cylinder is fixedly connected with the tail end of the sliding sleeve, and the puncture needle seat is located at the tail end of the sliding sleeve and is fixed to the syringe barrel, and the inner cavity of the needle piercing needle is In order to seal the cavity, the puncture needle tube travels axially along the inner cavity of the sliding sleeve and is finally fixed on the puncture needle seat.
  • the sliding sleeve, the syringe barrel, the puncture needle tube, the puncture needle holder, the blood collection needle tube and even the blood sample collection tube form a relatively fixed sleeve.
  • the sliding sliding member retracts into the interior of the sleeve with the retracting needle of the sliding member.
  • the syringe can be pushed back to make the puncture needle back into the inner cavity of the fixed sleeve, and the fixed sleeve is used as a protective sleeve for the puncture needle.
  • a backstop device that is mounted between the sliding member and the retaining sleeve, and the sliding member that retracts back into the lumen of the sleeve of the puncture needle tube will resist contact with the backstop if pushed forward.
  • the sliding member that is retracted in position cannot be pushed forward due to the blocking of the check device. Therefore, it is ensured that the retracted puncture needle can no longer be pulled out, and the syringe vacuum blood collection device of the present invention can be used for one-time use.
  • the present invention provides an optimized backstop device:
  • the backstop device is an elastic symmetric closing tongue, which is installed in the front cavity of the front end wall of the fixing sleeve, and the end of the puncture needle tube is passed through the closing joint portion of the closing tongue and is fixed to the puncture needle. On the seat.
  • a front end cover that is located in front of the barrel and is fixed to the fixing sleeve, and the outer peripheral surface of the front end cover and the outer peripheral surface of the barrel smoothly transition.
  • the present invention has the following advantages over the prior art: the structure is simplified, the holding operation is convenient, and the operation process is extremely similar to the operation of the conventional syringe, and the operation is minimized.
  • the workload and psychological burden of medical staff even in the case of patients with unconsciousness, incitement, uncooperative patients and infants and children with large physical activity, are not prone to misuse, thus improving the safety of operation and Success.
  • Figure 1 is a schematic view of a blood collection and retention device in the prior art.
  • Fig. 2 is a front elevational view showing the appearance of an indwelling needle having a syringe type vacuum blood collection device according to the present invention.
  • Fig. 3 is a schematic plan view showing the appearance of an indwelling needle having a syringe type vacuum blood collection device according to the present invention.
  • Fig. 4 is a schematic cross-sectional front view showing the structure of an indwelling needle having a syringe type vacuum blood collector according to a first embodiment of the present invention.
  • Fig. 5 is a schematic cross-sectional plan view showing the structure of an indwelling needle having a syringe type vacuum blood collection device according to a first embodiment of the present invention.
  • Fig. 6 is a schematic cross-sectional front view showing the structure of a syringe in an indwelling needle having a syringe type vacuum lancet according to a first embodiment of the present invention.
  • Fig. 7 is a schematic cross-sectional left side view showing the structure of the syringe in the indwelling needle having the syringe type vacuum lancet according to the first embodiment of the present invention.
  • Fig. 8 is a schematic perspective view showing the structure of a syringe in an indwelling needle having a syringe type vacuum blood collection lance in the first embodiment of the present invention.
  • Fig. 9 is a perspective view showing the appearance of an indwelling needle having a syringe type vacuum blood collection device according to a second embodiment of the present invention.
  • Fig. 10 is a schematic cross-sectional front view showing the structure of an indwelling needle having a syringe type vacuum blood collection device according to a second embodiment of the present invention.
  • Figure 11 is a schematic cross-sectional plan view showing the structure of an indwelling needle having a syringe type vacuum blood collection device according to a second embodiment of the present invention.
  • Fig. 12 is a view showing the state after the blood collection of the indwelling needle having the syringe type vacuum blood collection device in the second embodiment of the present invention.
  • Figure 13 is a schematic cross-sectional front view showing the structure of a front end cover in an indwelling needle having a syringe type vacuum blood collection lance according to a second embodiment of the present invention.
  • Fig. 14 is a schematic cross-sectional left side view showing the structure of the front end cover of the indwelling needle having the syringe type vacuum blood collection collector according to the second embodiment of the present invention.
  • Figure 15 is a schematic cross-sectional front view showing the structure of an indwelling needle having a syringe type vacuum blood collection device according to a third embodiment of the present invention.
  • Fig. 16 is a schematic plan view showing the structure of an indwelling needle having a syringe type vacuum blood collection device according to a third embodiment of the present invention.
  • Figure 17 is a schematic cross-sectional front view showing the structure of a front end cap in an indwelling needle having a syringe type vacuum blood collector according to a third embodiment of the present invention.
  • Fig. 18 is a schematic cross-sectional left side view showing the structure of the front end cover of the indwelling needle having the syringe type vacuum lancet according to the third embodiment of the present invention.
  • Fig. 19 is a view showing the state after the blood collection of the indwelling needle having the syringe type vacuum blood collection device in the third embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the catheter assembly includes a catheter 81, a catheter hub 82, a spacer plug 83, an extension tube 84, and a connector 85 Wait.
  • the needle tube assembly is a syringe type vacuum blood collection device including a vascular puncture needle 11 , a blood collection needle 12 , a blood sample collection tube 2 and a syringe 3 .
  • the syringe is a hollow cylindrical shell made of a medical transparent material, and the front end of the barrel has a wedge shape which is downwardly extended, and the upper end of the wedge-shaped inclined surface intersects with the outer peripheral surface of the barrel, and the wedge-shaped inclined surface
  • the lower end forms a small boss near the outer circumference of the barrel (ie, near the inner edge of the housing) A31, the center of the boss A31 is provided with a puncture needle. 11 A through hole is installed.
  • the place where the through hole is located is the puncture needle holder 13, and the end of the puncture needle 11 is connected with the syringe 3
  • the center is inserted in parallel on the puncture needle holder 13, and the needle tip of the needle tube and most of the needle tube are exposed outside the syringe 3 and pass through the spacer plug 83, through the lumen of the catheter hub 82, through the catheter 81.
  • the tip of the needle exposes the tip of the catheter 81.
  • the barrel 3 has a sealed chamber 32 and a cylindrical cavity 33 therein, wherein the sealing chamber 32 is located at the front end of the barrel, and the wick of the needle 11 and the sealed chamber 32 Connected.
  • the blood collection needle holder 14 is an open groove member having an open groove on one side and sealingly contacting the inner side of the front end wall of the syringe 3, and the cavity formed is a sealed cavity 32.
  • the other side wall is the sealing chamber wall, and the rear side of the sealing chamber wall has a small boss B131.
  • the front end of the blood collecting needle tube 12 is fixed on the boss B131, and the rear end and the needle tube are mostly extended backward and inserted in the blood.
  • Sample collection tube In the pipe plug of 2 the die of the blood collection needle 12 is in communication with the sealed cavity 32, and the blood collection needle 12 is coaxial with the cylindrical cavity 33.
  • Blood collection needle 12 is covered with a blood collection sealing sleeve 15
  • the blood sample collection tube plug center is provided with a core hole extending axially to the sealing layer 21, and the inner diameter of the core hole is slightly larger than the outer diameter of the blood collection sealing sleeve 15.
  • the blood collection needle 12 is brought with the blood collection sealing sleeve 15
  • the blood collection sealing sleeve 15 is subjected to axial compression and compression, and is radially twisted and expanded and deformed, so as to be squeezed and rubbed against the inner hole wall of the core hole, and the blood collection needle 12 is not allowed to escape from the blood sample collection tube. .
  • Cylindrical cavity 33 is located behind the sealed chamber 32 and its rear end is open, and the blood sample collection tube 2 is plugged in the front insert sleeve in the cylindrical cavity 33, and the length of the cylindrical cavity 32 is smaller than the blood sample collection tube 2 The length of the blood sample collection tube 2, which is placed in the cylindrical cavity 32, is exposed outside the cylindrical cavity.
  • the blood sample collection tube plug is composed of a sealing plug 22 and a protective cover 23, and the sealing plug 22
  • the sleeve is plugged in the collecting tube lumen
  • the protective cover 23 is plugged on the collecting tube nozzle and the sealing rubber plug
  • the blood sample collecting tube 2 has a sealing layer 21 which can be pierced by the rear end of the blood collecting needle tube 12 , the thickness of the sealing layer is 1.5 mm
  • blood sample collection tube 2 The cylindrical cavity 33 of the front end surface has a space for accommodating the blood sample collection tube 2 which is pushed forward by the sealing layer 21, and the cylindrical cavity 33
  • the inner wall is symmetrically disposed in the circumferential direction with two configurations which are elastically engaged with the protection cover 23 of the blood sample collection tube 2, and when the two are in the state of the contact, the rear end of the blood collection needle 12 is just before the sealing layer to be pierced .
  • the elastic snap contact structure is a short arc convex click point 38, the short arc convex click point 38 and the protective cover 23 Made of elastic material.
  • the puncture needle tube die, the sealing cavity, the blood collection needle tube die, and the blood sample collection tube lumen after being pierced by the sealing layer constitute a blood channel.
  • the syringe 3 is in contact with the blood sample collection tube cover 23
  • a long slot is provided along the axial direction of the syringe as an operation window 35 in the corresponding position.
  • the operation window 35 has two opposite sides and is oppositely distributed on both sides of the syringe 3. Short arc convex click point 38 and this operation window 35 Misplaced ninety degrees distribution.
  • the syringe 3 near the puncture needle tube 3 is provided with a contact table on the outer peripheral surface of the side.
  • the bottom surface of the contact table 34 is provided with a soft wing 4 having a wingspan on both sides, and the bottom surface of the wing has a concave arc shape adapted to the elbow of the human body, and the bottom surface of the wing 4 is set Viscous glue dots.
  • the front housing of the syringe 3 is held by a finger, and the puncture needle tip is inserted into the blood vessel of the patient, from the sealed cavity 32.
  • the puncture needle 11 is first sent into the blood vessel, and then the applicator wing 4 is pressed down, so that the applicator wing 4 sticks to the arm, and the blood collection system is not supported by hand, and the puncture needle 11 It also does not slide out of the blood vessels, so that the medical staff can free their hands and facilitate the medical staff to perform other operations.
  • the human end puncture needle 11 is withdrawn first, and then the blood sample collection tube 2 is withdrawn, and the blood collection sleeve is removed due to the blood collection needle 12 It is longer than the blood collection tube 12, so it can ensure that the needle tip of the blood collection needle 12 will not hurt the person, and the blood collection sealing sleeve is in the process of repeatedly changing the blood sample collection tube 2 It also plays the role of insertion and guiding, and the blood collection needle tip does not puncture the person, so it plays a safety protection role, and at the same time, the blood collection sealing sleeve 15 Resilience and sealing, sealing the head of the blood collection needle to avoid blood pollution.
  • the puncture needle is withdrawn, the catheter is placed in the blood vessel, and the infusion device flow valve is opened to perform normal infusion treatment.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • indwelling needle with syringe vacuum blood collection device including catheter assembly and needle assembly.
  • the catheter assembly includes a catheter 81, a catheter hub 82, a spacer plug 83, an extension tube 84, and a connector 85.
  • Needle tube assembly including vascular puncture needle 11 , blood collection needle 12, blood sample collection tube 2 and syringe 3, the syringe is a hollow cylindrical shell, made of medical transparent material, the front end cover of the syringe 6 Forming a wedge-shaped downwardly extending wedge, the upper end of the wedge-shaped inclined surface intersecting the outer circumferential surface of the cylinder, and the downwardly extending end of the wedge-shaped inclined surface forms a position near the outer circumferential surface of the cylinder (ie, near the inner side edge of the casing) Small boss A31, boss A31 Centrally set the puncture needle 11 Install the through hole.
  • the puncture needle 11 is fixed through the mounting through hole and the puncture needle holder 13 at the front end of the inner cavity of the syringe 3 behind the mounting through hole, and the puncture needle 11 and the syringe 3
  • the center is parallel but eccentrically distributed.
  • the needle tip of the needle and most of the needle are exposed outside the syringe 3 and pass through the isolation plug 83.
  • the barrel 3 has a sealed chamber 32 and a cylindrical cavity 33 therein, wherein the sealing chamber 32 is located at the front end of the barrel, and the wick of the puncture needle 11 communicates with the sealing chamber 32.
  • Puncture needle holder 13 The opposite barrel 3 is a separate member made of medical transparent material and placed at the front end of the inner cavity of the barrel 3.
  • the inner closed cavity is the sealing cavity 32, and the rear side of the rear wall of the sealing cavity 32 has a small Boss B131, the front end of the blood collection needle 12 is fixed on the boss B131, and the rear end and the needle tube are mostly extended backward and inserted into the tube plug of the blood sample collection tube 2, the core of the blood collection needle tube 12 and the sealed chamber 32 connected, the blood collection needle 12 is coaxial with the cylindrical cavity 33.
  • the blood collection needle 12 is covered with a blood collection sealing sleeve 15 , and the blood sample collection tube tube plug center is provided with an axial extension to the sealing layer 21
  • the core hole has an inner diameter slightly larger than the outer diameter of the blood collection sleeve 15.
  • the cylindrical cavity 33 is located in the sealed cavity 32 The rear end and the rear end thereof are open, and the blood sample collection tube 2 is plugged in the front insert sleeve in the cylindrical cavity 33.
  • the length of the cylindrical cavity 32 is smaller than the length of the blood sample collection tube 2, and is placed in the cylindrical space. Cavity 32 The tail of the blood sample collection tube 2 is exposed outside the cylindrical cavity.
  • the blood sample collection tube plug is composed of a sealing rubber plug 22 and a protective cover 23, and the sealing rubber plug 22 is plugged in the collecting tube lumen to protect the cover 23
  • the plug is on the collecting tube nozzle and the sealing rubber plug, and the blood sample collecting tube 2 has a sealing layer 21 pierceable by the rear end of the blood collecting needle 12, the sealing layer has a thickness of 1.5 mm, and the blood sample collecting tube 2
  • the cylindrical cavity 33 of the front end surface has a space for accommodating the blood sample collection tube 2 which is pushed forward by the sealing layer 21, and the inner wall of the cylindrical cavity 33 is symmetrically disposed with two blood sample collection tubes 2 in the circumferential direction.
  • Figure 10, Figure 115 This is exactly what is shown.
  • the elastic snap contact structure is a short arc convex click point 38, the short arc convex click point 38 and the protective cover 23 Made of elastic material.
  • the puncture needle tube die, the sealing cavity, the blood collection needle tube die, and the blood sample collection tube lumen after being pierced by the sealing layer constitute a blood channel.
  • a sliding groove 36 with a closed end is axially extended on the side wall of the syringe 3, and the needle holder push handle 132
  • the sliding groove 36 protrudes out of the barrel 3.
  • the sliding groove 36 extends from the front of the barrel 3 to the rear of the barrel 3, and the protective cover of the blood sample collection tube 2 that is placed in the cylindrical cavity 33 23 is located in the length interval of the sliding groove 36, and therefore, the sliding groove 36 is at the same time the operation window 35.
  • the axial length of the inner cavity of the syringe 3 is larger than the puncture needle tube exposed outside the syringe 3 11
  • the length, the puncture needle 11 , the puncture needle holder 13 , the blood collection needle 12 , and even the blood sample collection tube 2 constitute a sliding member that can slide back relative to the syringe 3 .
  • the sliding groove 36 can be pushed along the sliding needle seat 13 and the needle 11 until the needle is inserted. 11 Completely immersed in the inner cavity of the syringe 3. At this time, the blood sample collection tube 2 can be pulled out to be detached from the syringe 3.
  • a backstop device which is an elastic symmetric closed tongue 5 Installed in the inner cavity of the syringe 3 in front of the puncture needle holder 13, the end of the puncture needle 11 is passed through the closed joint of the closing tongue 5 and fixed to the puncture needle holder 13.
  • the closing tongue 5 elastically resets the original puncture needle 11 Export. Blocking, sliding parts that are back in place will not be pushed forward. Thereby ensuring the retracted puncture needle 11
  • the wounded person of the present invention can be promoted to be used once, and can not be used again by criminals.
  • the syringe 3 adjacent to the puncture needle 11 is provided with a soft wing 4 on the outer peripheral surface of the side.
  • the soft flap 4 has a wingspan on both sides, and the bottom surface of the flap has a concave arc shape adapted to the elbow of the human body, and the bottom surface of the flap 4 is provided with a viscous glue point.
  • an indwelling needle having a syringe vacuum blood collection device includes a catheter assembly and a needle cannula assembly.
  • Catheter assembly including catheter 81, conduit seat 82, isolation plug 83, extension tube 84 and connector 85.
  • the needle tube assembly is a syringe type vacuum blood collection device, including a blood vessel needle 11 and a blood collection tube 12
  • the blood sample collection tube 2, the syringe 3, the flap 4, the closing tab 5, the front end cover 6, and the telescopic protective sleeve which are slidably fitted together by the fixing sleeve 71 and the sliding sleeve 72.
  • Syringe 3 It is a hollow cylindrical tubular casing made of medical transparent material.
  • the front end cover 6 is located in front of the syringe 3 and is fixed to the fixing sleeve 71 in the telescopic protective cover, and the outer peripheral surface of the rear end cover 6 and the syringe 3
  • the outer peripheral surface and the like have a smooth transition.
  • the front end portion of the front end cover 6 has a wedge shape which is downwardly extended.
  • the upper end of the wedge-shaped inclined surface intersects with the outer peripheral surface of the rear end of the front end cover 6.
  • the lower end of the wedge-shaped inclined surface is adjacent to the front end cover.
  • a small boss A31 is formed at a position on the outer peripheral surface (i.e., near the inner side edge of the casing), and a through hole is formed in the center of the boss A31, and the puncture needle 11 passes through the mounting through hole and along the sliding sleeve 72.
  • the inner cavity is axially passed through and finally fixed to the puncture needle hub, and the puncture needle hub 13 is fixed to the front end portion of the syringe 3 or integrally formed with the syringe 3. This position is also located at the end of the sliding sleeve 72.
  • Puncture needle 11 and syringe 3 The center is parallel but eccentrically distributed, and the needle tip of the needle and most of the needle are exposed outside the syringe 3 and through the isolation plug 83, through the lumen of the catheter hub 82, through the catheter 81, and the needle tip exposes the catheter 81 Cutting edge.
  • the inside of the syringe 3 has a telescopic protective sleeve cavity 37, a sealed cavity 32 and a cylindrical cavity 33.
  • the inner cavity of the syringe 3 has a wall in the middle of the cavity, and the front of the wall is a telescopic protective sleeve cavity.
  • the rear of the partition wall is a sealed cavity 32 and a cylindrical cavity 33, and the sealed cavity 32 is located in front of the cylindrical cavity 33.
  • the die of the puncture needle 11 is in communication with the sealed cavity 32.
  • Puncture needle holder 13 One side has an open groove and is in sealing contact with the rear side of the inner wall of the barrel 3.
  • the cavity formed is the sealing cavity 32, and the other side wall of the sealing cavity 32 is the rear wall of the sealing cavity. Sealing chamber 32
  • the rear side of the rear wall has a small boss B131.
  • the front end of the blood collection needle 12 is fixed on the boss B131, and the rear end and the needle tube extend mostly rearward and are inserted in the tube plug of the blood sample collection tube 2, and the blood collection needle tube
  • the die of 12 is in communication with the sealed cavity 32, and the blood collection needle 12 is coaxial with the cylindrical cavity 33.
  • Blood collection needle 12 is covered with a blood collection sealing sleeve 15
  • the blood sample collection tube plug center is provided with a core hole extending axially to the sealing layer 21, and the inner diameter of the core hole is slightly larger than the outer diameter of the blood collection sealing sleeve 15.
  • the blood collection needle 12 is brought with the blood collection sealing sleeve 15
  • the blood collection sealing sleeve 15 is subjected to axial compression and compression, and is radially twisted and expanded and deformed, so as to be squeezed and rubbed against the inner hole wall of the core hole, and the blood collection needle 12 is not allowed to escape from the blood sample collection tube.
  • Cylindrical cavity 33 is located behind the sealed chamber 32 and its rear end is open, the blood sample collection tube 2 is plugged in the front spiral sleeve in the cylindrical cavity 33, and the length of the cylindrical cavity 32 is smaller than the blood sample collection tube 2 The length of the blood sample collection tube 2, which is placed in the cylindrical cavity 32, is exposed outside the cylindrical cavity.
  • the blood sample collection tube plug is composed of a sealing plug 22 and a protective cover 23, and the sealing plug 22
  • the sleeve is plugged in the collecting tube lumen
  • the protective cover 23 is plugged on the collecting tube nozzle and the sealing rubber plug
  • the blood sample collecting tube 2 has a sealing layer 21 which can be pierced by the rear end of the blood collecting needle tube 12 , the thickness of the sealing layer is 1.5 mm
  • the blood sample collection tube 2 has a cylindrical cavity 33 at the front end surface having a space for accommodating the blood sample collection tube 2 which is pushed forward by the sealing layer 21.
  • Cylindrical cavity 33 The inner wall is symmetrically disposed in the circumferential direction with a resilient snap contact with the blood sample collection tube 2 protection cover 23, and when the two are in a card contact state, the blood collection needle tube 12 The rear end is just in front of the sealing layer to be pierced.
  • the elastic snap contact structure is a short arc convex click point 38, the short arc convex click point 38 and the protective cover 23 Made of elastic material.
  • the puncture needle tube die, the sealing cavity, the blood collection needle tube die, and the blood sample collection tube lumen after being pierced by the sealing layer constitute a blood channel.
  • the blood sample collection tube 2 also constitutes a sliding member that slides relative to the fixed sleeve 71.
  • the syringe 3 can be pushed back, and the sliding sleeve 72 is relatively fixed with the retraction of the syringe 3. Sliding backwards also gradually retreats into the inner cavity of the fixing sleeve 71 as the retracting needle 11 is completely immersed in the inner cavity of the fixing sleeve 71.
  • the blood sample collection tube 2 can be pulled back to the syringe 3 Get rid of.
  • a backstop device which is an elastic symmetric closing tongue 5 which is mounted on the boss A31 Rear front cover 6 In the inner cavity, the end of the puncture needle 11 is passed over the closed joint of the closing tongue 5 and finally fixed to the puncture needle holder 13.
  • the closing tongue 5 elastically resets the original puncture needle 11 Export. Sliding parts that prevent retraction in place will not be pushed forward. Thereby ensuring the retracted puncture needle 11
  • the wounded person of the present invention can be promoted to be used once, and can not be used again by criminals.
  • the syringe 3 near the puncture needle tube 3 is provided with a soft wing 4 on the outer peripheral surface of the side.
  • the soft flap 4 has a wingspan on both sides, and the bottom surface of the flap has a concave arc shape adapted to the elbow of the human body, and the bottom surface of the flap 4 is provided with a viscous glue point.

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PCT/CN2012/079596 2012-08-02 2012-08-02 Aiguille à demeure avec dispositif de prélèvement de sang sous vide de type seringue Ceased WO2014019200A1 (fr)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105920702A (zh) * 2016-06-28 2016-09-07 李卫林 一种旋转式y型防血栓留置针
CN106175798A (zh) * 2016-07-13 2016-12-07 哈尔滨三联药业股份有限公司 一种可单手操作的真空采血管
CN108338793A (zh) * 2018-04-16 2018-07-31 北京仰生恒泰科技有限责任公司 一种静脉采血针
CN113181474A (zh) * 2021-05-07 2021-07-30 中国人民解放军陆军军医大学第一附属医院 一种输液港安全型无损伤穿刺针
WO2022087722A1 (fr) * 2020-10-26 2022-05-05 Kenota Inc. Appareil de collecte d'échantillons
CN115517747A (zh) * 2022-10-08 2022-12-27 江苏省疾病预防控制中心(江苏省公共卫生研究院) 一种尘肺病病理穿刺定位设备
US11918357B2 (en) 2018-09-28 2024-03-05 Velano Vascular, Inc. Devices and methods for phlebotomy through a closed system intravenous catheter
CN118986309A (zh) * 2024-10-25 2024-11-22 大连澳华医用高分子器材有限公司 一种防脱动脉穿刺针

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111407453A (zh) * 2020-03-27 2020-07-14 南方医科大学南方医院 小动物一体式血液采集及灌注器
CN116983508A (zh) * 2023-08-16 2023-11-03 浙江大学 一种短头静脉穿刺安全留置针

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1256524A (fr) * 1967-12-05 1971-12-08
CN1035893A (zh) * 1988-01-08 1989-09-27 奥尔弗斯欧州股份有限公司 一次性液体采样装置
CN1137746A (zh) * 1993-12-16 1996-12-11 C.A.格林尔和索恩有限公司 抽血器验血取样小管的固持器
US6152901A (en) * 1998-07-03 2000-11-28 Altair Blood sampling device with vacuum tube
CN1463760A (zh) * 2002-06-19 2003-12-31 陈晖纮 符合人体工程学的多功能安全真空抽血针筒
JP2004290390A (ja) * 2003-03-26 2004-10-21 Bionics Corp 穿刺針、およびその組立方法
CN201609524U (zh) * 2010-01-11 2010-10-20 吴林元 可采血密闭型动静脉留置针
CN202776328U (zh) * 2012-08-02 2013-03-13 张建铭 具有针筒式真空采血器的留置针

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101756704B (zh) * 2009-12-18 2012-01-18 侯莉莎 可抽血的留置针座
CN201996922U (zh) * 2011-01-26 2011-10-05 天津市百利康泰生物技术有限公司 静脉留置针封管套件
CN202105258U (zh) * 2011-05-27 2012-01-11 苏州林华医疗器械有限公司 可采血式密闭型静脉留置针

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1256524A (fr) * 1967-12-05 1971-12-08
CN1035893A (zh) * 1988-01-08 1989-09-27 奥尔弗斯欧州股份有限公司 一次性液体采样装置
CN1137746A (zh) * 1993-12-16 1996-12-11 C.A.格林尔和索恩有限公司 抽血器验血取样小管的固持器
US6152901A (en) * 1998-07-03 2000-11-28 Altair Blood sampling device with vacuum tube
CN1463760A (zh) * 2002-06-19 2003-12-31 陈晖纮 符合人体工程学的多功能安全真空抽血针筒
JP2004290390A (ja) * 2003-03-26 2004-10-21 Bionics Corp 穿刺針、およびその組立方法
CN201609524U (zh) * 2010-01-11 2010-10-20 吴林元 可采血密闭型动静脉留置针
CN202776328U (zh) * 2012-08-02 2013-03-13 张建铭 具有针筒式真空采血器的留置针

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105920702A (zh) * 2016-06-28 2016-09-07 李卫林 一种旋转式y型防血栓留置针
CN106175798A (zh) * 2016-07-13 2016-12-07 哈尔滨三联药业股份有限公司 一种可单手操作的真空采血管
CN106175798B (zh) * 2016-07-13 2023-01-17 哈尔滨三联药业股份有限公司 一种可单手操作的真空采血管
CN108338793A (zh) * 2018-04-16 2018-07-31 北京仰生恒泰科技有限责任公司 一种静脉采血针
CN108338793B (zh) * 2018-04-16 2023-09-19 浙江百获健康科技有限公司 一种静脉采血针
US11918357B2 (en) 2018-09-28 2024-03-05 Velano Vascular, Inc. Devices and methods for phlebotomy through a closed system intravenous catheter
WO2022087722A1 (fr) * 2020-10-26 2022-05-05 Kenota Inc. Appareil de collecte d'échantillons
CN113181474A (zh) * 2021-05-07 2021-07-30 中国人民解放军陆军军医大学第一附属医院 一种输液港安全型无损伤穿刺针
CN113181474B (zh) * 2021-05-07 2022-08-02 中国人民解放军陆军军医大学第一附属医院 一种输液港安全型无损伤穿刺针
CN115517747A (zh) * 2022-10-08 2022-12-27 江苏省疾病预防控制中心(江苏省公共卫生研究院) 一种尘肺病病理穿刺定位设备
CN118986309A (zh) * 2024-10-25 2024-11-22 大连澳华医用高分子器材有限公司 一种防脱动脉穿刺针

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