WO2012167719A1 - Seringue à trois anneaux assistée par pression - Google Patents

Seringue à trois anneaux assistée par pression Download PDF

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Publication number
WO2012167719A1
WO2012167719A1 PCT/CN2012/076501 CN2012076501W WO2012167719A1 WO 2012167719 A1 WO2012167719 A1 WO 2012167719A1 CN 2012076501 W CN2012076501 W CN 2012076501W WO 2012167719 A1 WO2012167719 A1 WO 2012167719A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
syringe
assisted
inner sleeve
sleeve
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/CN2012/076501
Other languages
English (en)
Chinese (zh)
Inventor
李春
柳云兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING DBT MEDI-TECH DEVELOPMENT Co Ltd
Original Assignee
BEIJING DBT MEDI-TECH DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING DBT MEDI-TECH DEVELOPMENT Co Ltd filed Critical BEIJING DBT MEDI-TECH DEVELOPMENT Co Ltd
Publication of WO2012167719A1 publication Critical patent/WO2012167719A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A61M5/007—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 for contrast media
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3114—Filling or refilling
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
    • A61M2005/3139—Finger grips not integrally formed with the syringe barrel, e.g. using adapter with finger grips
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/586—Ergonomic details therefor, e.g. specific ergonomics for left or right-handed users
    • 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
    • A61M5/178—Syringes
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31501—Means for blocking or restricting the movement of the rod or piston
    • A61M5/31505—Integral with the syringe barrel, i.e. connected to the barrel so as to make up a single complete piece or unit
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod

Definitions

  • the present invention relates to the field of medical devices, and in particular to a booster three-ring syringe.
  • Angiography is a method used to image, diagnose, and examine the effects of cardiovascular structures.
  • the physician inserts a catheter into the patient and injects a contrast agent into the blood vessel of the patient to be examined through the catheter.
  • the X-ray machine is used to image the area of the patient with the contrast agent, and the radiation beam will pass through the patient's tissue and will be absorbed by the contrast material. Therefore, the visualization of the contrast agent in the blood vessel, that is, the development of the inner diameter of the blood vessel, can be clearly seen under fluoroscopy. Imaging of the blood vessels is displayed on the display and recorded. Contrast is a necessary means for the diagnosis and diagnosis of the patient's cardiovascular.
  • the contrast agent injected into the patient's cardiovascular system must reach a certain flow rate and flow rate.
  • the contrast agent is a highly viscous liquid (the higher the label, the higher the viscosity), and it is required to enter the patient's cardiovascular system through a catheter with a long but small inner diameter. This injection of contrast is done manually by a medical practitioner through a three-ring syringe.
  • the medical staff is required to continuously generate a certain pressure during the injection process to ensure the normal completion of the angiography, however, the use of the prior art syringe due to medical services Individual differences in personnel often fail to ensure the pressure required to inject the contrast agent.
  • a primary object of the present invention is to provide a assisted three-ring syringe to solve the problem of inconvenient use of the syringe of the prior art, wherein: the assisted three-ring syringe provided in accordance with the present invention comprises:
  • a syringe body including a distal end and a proximal end;
  • the end of the screw and the proximal end of the screw push rod, the end of the screw push rod is connected with a rubber plug, the end of the screw push rod is inserted into the inside of the main body of the syringe;
  • the proximal end of the screw push rod is sleeved with an inner sleeve, and the main body of the syringe is sleeved a nut that cooperates with the inner sleeve;
  • the inner sleeve has a double ring sleeve, and the double ring sleeve is connected with the inner sleeve; the spiral push rod is sleeved with a first spring, and the first spring is closed by the inner sleeve;
  • the double ring sleeve and the inner sleeve are closed with a second spring; the inner sleeve is provided with a locking member for clamping the screw push rod.
  • the structure of the cartridge can easily achieve the flow rate and flow rate required for the contrast when the liquid with high viscosity is injected, which greatly facilitates the operation of the user. .
  • FIG. 1 is a schematic view of a booster three-ring injector according to a first embodiment of the present invention
  • FIG. 2 is a schematic view of a booster three-ring injector according to a second embodiment of the present invention
  • Figure 4 is a schematic view of a plug-in component of a fourth embodiment of the present invention.
  • a booster three-ring syringe is provided, primarily for contrast injection of angiography.
  • the present invention will now be described with reference to Figs. 1 and 2, which is a schematic view showing the exploded structure of the assisted three-ring syringe of the embodiment of the present invention, and Fig. 2 is a schematic view showing the combined structure of the assisted three-ring syringe of the embodiment of the present invention.
  • Figs. 1 and 2 is a schematic view showing the combined structure of the assisted three-ring syringe of the embodiment of the present invention.
  • the same components in the following embodiments are denoted by the same reference numerals.
  • the assisted three-ring injector mainly comprises: a syringe body 1 , a screw push rod 2 , a rubber plug 3 , an inner sleeve 4 , a nut 5 , a first spring 6 , a double ring sleeve 7 , and a second spring 8 . , the locking member 9.
  • the syringe body 1 is a hollow lumen structure comprising a distal end and a proximal end.
  • the main body 1 of the syringe is designed as a cylinder, and the inner surface and the end of the main body 1 of the syringe form an inner cavity for containing the chemical liquid.
  • the end of the syringe body 1 has an interface A for connecting a catheter, and the proximal end of the syringe body 1 has an open structure with a convex edge at the proximal opening.
  • the auger 2 includes a distal end and a proximal end, and the distal end of the auger 2 is inserted from the proximal end of the syringe body 1 into the inside of the barrel body 1.
  • a rubber plug 3 is connected to the end of the screw pusher 2, and the rubber plug 3 is inserted into the inside of the syringe body 1 through the proximal end of the syringe body 1, and is slidably engaged on the inner surface of the syringe body 1 through a peripheral sealing surface to form a movable body. Sealing structure.
  • the proximal end of the auger 2 is connected to a first handle for operation.
  • the proximal end of the auger 2 is sleeved with an inner sleeve 4, and the barrel body 1 is sleeved with a nut 5 which cooperates with the inner sleeve 4.
  • the sleeve 4 is a threaded member, and the nut 5 and the inner sleeve 4 are screwed, due to
  • the proximal end opening of the syringe body 1 has a convex edge, so that the nut 5 can tightly connect the syringe body 1, the auger 2 and the inner sleeve 4.
  • the outer surface of the nut 5 is also provided with a plurality of outer rib protrusions.
  • the auger 2 is sleeved with a first spring 6, and the first spring 6 is closed by the inner sleeve 4; the two ends of the first spring 6 are respectively located at the rubber stopper and the inner sleeve 4.
  • the inner sleeve 4 is jacketed with a double ring sleeve 7, the double ring sleeve 7 is connected to the inner sleeve 4, and the double ring sleeve 7 and the inner sleeve 4 are closed with a second spring 8, that is, when the nut 5 and the inner sleeve 4 are After tightening, the second spring 8 enclosed within the double ring sleeve 7 is also compressed. Also, the double ring sleeve 7 and the inner sleeve 4 are provided with a radially opposite fixed structure.
  • the inner sleeve 4 is axially provided with a groove
  • the double ring sleeve 7 is axially provided with a projection corresponding to the groove, thus realizing the connection between the double ring sleeve 7 and the inner sleeve 4 It can only move axially, but cannot rotate in a radial direction, that is, the radial fixing of the double-ring sleeve 7 with the syringe body 1 is achieved, so that the components of the assisted three-ring injector are not relatively rotated.
  • the assisted three-ring syringe provided by the present invention is used for cardiovascular imaging surgery, the operator needs to grasp the volume of the input liquid when operating the syringe, so the scale provided on the syringe body 1 should be in the same plane as the double-ring sleeve 7, so as to facilitate Operator's observation.
  • a locking member 9 for clamping the auger 2 is also provided on the inner sleeve 4.
  • the locking member 9 includes a block and a third spring 91 coupled to the block.
  • the female finger when the injection is performed, the female finger is on the first handle 13 or in the ring, the index finger and the middle finger are respectively in the two rings on the double ring sleeve 7, the female finger is pressed down, the index finger and the middle finger are pulled up, Under the action of this force, the double ring sleeve 7 moves upward, and the inner diameter of the middle portion of the moving double ring sleeve 7 is smaller than the upper portion, so that the locking member 9 is pressed downward to slide, when sliding to a certain extent In the position, the locking member 9 loses the locking function to the screw push rod 2, and the screw push rod 2 moves toward the end of the syringe body 1 under the action of the female finger and the first spring 6, and the liquid with a higher viscosity is injected.
  • the assisted three-ring syringe provided in this embodiment further includes a release button 10 connected to the lock member 9.
  • the release button 10 releases the card of the screw member 2 of the lock member 9 Tightly, the screw pusher 2 is automatically moved toward the end of the syringe body 1, so that the syringe automatically performs the operation of injecting the drug solution.
  • the proximal end of the auger 2 further has a first handle 13.
  • the first handle 13 may be a ring handle as shown in FIGS.
  • the assisted three-ring injector provided by the present invention is further provided with a gate-shaped hand-held portion 11 connected to the double-ring sleeve 7, and the gate-shaped hand-held portion 11 is used for providing pulling The fulcrum of the first handle 13 and the grip of the rotating assisted three-ring syringe.
  • the assisted three-ring syringe further includes a plug member 12 coupled to the syringe body 1, the plug member 12 being rotatable in synchronism with the syringe body 1, and the syringe body 1
  • the torque of the rotation is transmitted.
  • the plug component 12 includes a base 121 having a concave slot, and the shape of the concave slot may be a polygon.
  • a plurality of plug connectors 122 are evenly distributed on the edge of the base 121, and the plug connector 122 is integrally formed with the base 121.
  • the end of the syringe body 1 has a first boss having a shape corresponding to the shape of the shaped slot of the base 121, and the concave card slot of the base 121 and the end of the syringe body 1 A boss is coupled to secure the plug member 12 to the end of the barrel body 1.
  • the plug member 12 may also be referred to as a shift fork or other name, and the present invention does not perform the function of transmitting the torque that rotates synchronously with the syringe body 1 and rotates the syringe body 1. limit.
  • a union 14 is also attached to the end of the barrel body 1 and the other end of the union 14 is used to connect a triple-way valve assembly or a 250 psi hose. The function of the union 14 is to provide a connection for the introduction or withdrawal of liquid in the syringe body 1. Connect the connectors of other devices.
  • the end of the syringe body 1 is further provided with a second boss, which is a circular boss which is smaller in shape than the first boss and is disposed above the first boss.
  • the union 7 has a concave slot corresponding to the second boss, and is connected to the second boss of the end of the barrel body 1 through the concave slot of the union 7, thereby fixing the union 7 to the barrel body The end of 1.
  • the base 121 of the plug member 12 is first connected to the first boss of the syringe body 1, and the union 14 is connected to the second boss of the syringe body 1 through a 0-type sealing jaw.
  • the introduction or withdrawal of the liquid in the syringe body 1 through the union 14 is also unaffected by the connected plug member 12.
  • the present invention provides a assisted three-ring syringe for use in an angiography procedure, in which case the docking member 12 is mated with a medical device, preferably the medical device is a triple three for cardiovascular imaging. Valve device.
  • the triple three-way valve device has an insertion port corresponding to the plug connector 122 of the plug member 12, and the plug connector 122 is inserted into the insertion port of the triple three-way valve device, so that the plug member 12 and the triple three-way valve device are positioned.
  • the fixed connection, and the union 14 is connected with the triplex valve liquid input port, and is connected to the liquid chemical input port through the rotary union 14 , and the plug component 12 and the union 14 enable the three-ring syringe and the triple tee
  • the valve means are connected in one piece; at the same time the liquid in the body 1 of the syringe can be introduced or led through the union 14 into the triplet three-way valve arrangement. Thereby, when the operator controls the left and right rotation of the syringe main body 1, the torque for rotating the syringe body 1 by the insertion member 12 can be transmitted to the triple tee device.
  • the operator when the operator needs to rotate the triple three-way valve device, it is not necessary to directly rotate the triple three-way valve device, and the purpose of rotating the triple three-way valve device can be achieved only by operating the syringe body 1.
  • the operator When the connection of the assisted three-ring injector and the triple-way three-way valve is combined or separated, the operator operates the space joint 14 through the space between the plug connectors of the plug-in member 12, so that the plug-in member 12 is inserted into the joint 122.
  • the number should be set according to the actual situation, and should not affect the plug connection of the union 14 and the triple three-way valve device.
  • the number of the plug connectors 122 of the plug member 12 is two. In this way, it can be easily inserted between the plug connectors 122 Plug and unplug the union 14.
  • the invention is not limited thereto.
  • the assisted three-ring syringe provided according to the embodiment of the present invention can easily achieve the flow rate and flow rate required for the contrast when the liquid with high viscosity is injected, which greatly facilitates the operation of the user. .

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention concerne une seringue à trois anneaux assistée par pression, qui comprend : un cylindre de seringue (1) ayant des extrémités proximale et distale ; un plongeur en spirale (2) ayant des extrémités proximale et distale, l'extrémité distale du plongeur en spirale (2) étant liée à un joint de butée (3) et insérée dans le cylindre de seringue (1) ; l'extrémité proximale du plongeur en spirale étant insérée à l'intérieur d'un cylindre intérieur (4) ; un écrou correspondant au dit cylindre intérieur (4) est disposé sur le cylindre de seringue (1) ; un cylindre extérieur (7) ayant deux anneaux de traction est emmanché sur le cylindre intérieur (4) et connecté à celui-ci ; un premier ressort (6) est emmanché sur le plongeur en spirale (2) et enfermé à l'intérieur du cylindre intérieur (4) ; le cylindre à deux anneaux (7) et le cylindre intérieur (4) renferment un second ressort (8) ; un composant de blocage (9) du plongeur en spirale (2) est fixé sur le cylindre intérieur (4). La seringue à trois anneaux assistée par pression permet d'obtenir sans effort le flux et le volume nécessaires pour une radiographie, et est facile à manœuvrer.
PCT/CN2012/076501 2011-06-08 2012-06-06 Seringue à trois anneaux assistée par pression Ceased WO2012167719A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110151748.8A CN102218176B (zh) 2011-06-08 2011-06-08 助力三环注射器
CN201110151748.8 2011-06-08

Publications (1)

Publication Number Publication Date
WO2012167719A1 true WO2012167719A1 (fr) 2012-12-13

Family

ID=44775041

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/076501 Ceased WO2012167719A1 (fr) 2011-06-08 2012-06-06 Seringue à trois anneaux assistée par pression

Country Status (2)

Country Link
CN (1) CN102218176B (fr)
WO (1) WO2012167719A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022008202A1 (fr) * 2020-07-08 2022-01-13 Alpha Md Global Limited Adaptateur pour seringue
WO2022112625A1 (fr) * 2020-11-26 2022-06-02 Moncholi Alfonso Josep Maria Dispositif ergonomique amovible pour seringue

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102218176B (zh) * 2011-06-08 2014-05-07 北京达必通科技开发有限公司 助力三环注射器
CN102553000A (zh) * 2012-01-19 2012-07-11 邱锐锋 负压引流装置及系统
KR101462438B1 (ko) * 2013-11-07 2014-11-17 주식회사 메가젠임플란트 약물 주입 장치
FR3043561B1 (fr) * 2015-11-12 2021-11-26 Guerbet Sa Seringue
CN108295364B (zh) * 2018-01-04 2020-10-09 刘琦琦 一种医疗护理用痔疮上药设备

Citations (6)

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GB1193179A (en) * 1967-12-19 1970-05-28 Cardinal Instr Corp Automatic Syringe.
JPH0767959A (ja) * 1993-09-03 1995-03-14 Nissho Corp 自動注射器
CN201108643Y (zh) * 2007-12-07 2008-09-03 陈凯 用于液体无针注射的推射装置
WO2011032513A1 (fr) * 2009-09-18 2011-03-24 United Medical Innovations, Inc. Seringue verrouillable avec élément de sollicitation intégré
CN102218176A (zh) * 2011-06-08 2011-10-19 北京达必通科技开发有限公司 助力三环注射器
CN202136646U (zh) * 2011-06-08 2012-02-08 北京达必通科技开发有限公司 助力三环注射器

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US4929238A (en) * 1988-11-23 1990-05-29 Coeur Laboratories, Inc. Multi-pressure injector device
US8478385B2 (en) * 2009-09-18 2013-07-02 United Medical Innovations, Inc. Rotary medical manifold

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1193179A (en) * 1967-12-19 1970-05-28 Cardinal Instr Corp Automatic Syringe.
JPH0767959A (ja) * 1993-09-03 1995-03-14 Nissho Corp 自動注射器
CN201108643Y (zh) * 2007-12-07 2008-09-03 陈凯 用于液体无针注射的推射装置
WO2011032513A1 (fr) * 2009-09-18 2011-03-24 United Medical Innovations, Inc. Seringue verrouillable avec élément de sollicitation intégré
CN102218176A (zh) * 2011-06-08 2011-10-19 北京达必通科技开发有限公司 助力三环注射器
CN202136646U (zh) * 2011-06-08 2012-02-08 北京达必通科技开发有限公司 助力三环注射器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022008202A1 (fr) * 2020-07-08 2022-01-13 Alpha Md Global Limited Adaptateur pour seringue
WO2022112625A1 (fr) * 2020-11-26 2022-06-02 Moncholi Alfonso Josep Maria Dispositif ergonomique amovible pour seringue

Also Published As

Publication number Publication date
CN102218176A (zh) 2011-10-19
CN102218176B (zh) 2014-05-07

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