WO2015005581A2 - 약물주입용 레귤레이터 장치 및 이를 구비한 약물주입장치 - Google Patents
약물주입용 레귤레이터 장치 및 이를 구비한 약물주입장치 Download PDFInfo
- Publication number
- WO2015005581A2 WO2015005581A2 PCT/KR2014/004689 KR2014004689W WO2015005581A2 WO 2015005581 A2 WO2015005581 A2 WO 2015005581A2 KR 2014004689 W KR2014004689 W KR 2014004689W WO 2015005581 A2 WO2015005581 A2 WO 2015005581A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drug
- inlet
- outlet
- membrane member
- elastic plate
- 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
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Classifications
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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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- 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
- A61M5/48—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 having means for varying, regulating, indicating or limiting injection pressure
-
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
-
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
- A61M5/16881—Regulating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
- F16K99/0015—Diaphragm or membrane valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K2099/0082—Microvalves adapted for a particular use
- F16K2099/0086—Medical applications
Definitions
- the present invention relates to a regulator injection device and a drug injection device having the same, more specifically, to prevent the flow rate of the drug injected into the patient to exceed the flow rate required by the patient and to adjust the flow rate of the drug to be kept constant It relates to a drug injection regulator device and a drug injection device having the same.
- the present invention relates to a regulator injection device and a drug injection device having the same, but is easy to install while adjusting to maintain a constant flow rate of the drug injected into the patient, Ringer's disease or various drug injection devices.
- a drug stored in a Ringer's disease when injected into a blood vessel of a patient, the drug is injected into a blood vessel of the patient at a flow rate that varies according to the storage amount of the drug.
- a drug of a special injection medicine such as anticancer drugs, antibiotics, etc.
- the device for adjusting the flow rate of the drug is rotated up and down to change the cross-sectional area of the tube through which the drug flows to control the amount of drug flowing to the needle.
- This conventional control device has a problem that it is difficult to finely control the flow rate of the drug.
- WO 03/066138 A1 provides a drug injection device for pushing a drug in a cylinder to a piston and injecting it into a patient.
- the drug injection device generates a gas and applies a constant pressure to the piston, the gas supply device that gradually pushes the piston, and the high pressure that can be temporarily generated in the gas supply device to the outside to generate a gas supply device
- the drug is continuously injected into the patient by having a pressure control valve for constantly adjusting the pressure of the gas.
- the drug injection device is an excellent technology
- the continuous improvement can be made like other excellent technologies. That is, the conventional drug injection device may be improved in view of the trouble of installing the pressure control valve in the gas supply device and the structure of the pressure control valve being complicated and thus the manufacturing cost increases.
- the pressure control valve is applicable only to the drug injection device having a gas supply device for generating a gas is limited in the application to a variety of drug injection device.
- the flow rate of the drug injected into the patient is prevented from exceeding the flow rate required by the patient, and the flow rate of the drug is adjusted to be kept constant, while being applicable to the Ringer's bottle or various drug injection devices.
- the flow rate of the drug is adjusted to be kept constant, while being applicable to the Ringer's bottle or various drug injection devices.
- the present invention is an object of the present invention to solve the problems of the conventional drug flow control device, and more specifically, the flow rate of the drug injected into the patient to prevent the flow rate of the drug is exceeded and the drug flow rate is It is an object of the present invention to provide a regulator injection device for adjusting to maintain a constant and a drug injection device having the same.
- the present invention also provides a regulator device for injection and a drug injection device having the same, which is easy to install while being adjusted to maintain a constant flow rate of the drug injected into the patient, Ringer's disease or various drug injection device There is a purpose.
- a housing having an inlet in communication with the upstream conduit extending in communication with the drug storage space, an outlet in communication with the downstream conduit, and an interior space in communication with the inlet and the outlet;
- the pressure of the drug discharged from the inlet through the drug flow passage to the outlet is delivered, the drug flow passage from the inlet And the membrane member is deformed according to the flow rate of the drug discharged through the outlet through,
- a lever positioned below the membrane member and having an inlet side extension portion and an outlet side extension portion opposed to each other about a rotation axis, wherein the inlet side extension portion is in contact with a lower surface of the membranous member with respect to the rotation axis according to the flow rate of the drug;
- a lever moving the deformable member so that the membrane member blocks or opens the inlet;
- An elastic plate positioned in close contact between the membranous member and the lever, wherein the pressure of the drug delivered through the membranous member is transmitted to the outlet side extension of the lever only when the flow rate of the drug exceeds the flow rate required by the patient. And an elastic plate whose elasticity is adjusted to be sufficient.
- the pressure of the drug delivered through the membrane member overcomes the adjusted elasticity of the elastic plate while the lever By moving the outlet side extension of the downward and thus the inlet side extension of the lever is moved upward, the inlet side of the membrane member is deformed by pressing the membrane member to block the inlet.
- the elastic plate is a force upwards relative to the membrane member by the elastic restoring force While acting, the force applied to the outlet side extension of the lever is also released. Accordingly, according to the principle of the seesaw of the lever, the outlet side extension of the lever is moved upward and the inlet side extension of the lever is moved downward, thereby releasing the force to press the inlet side of the membrane member, and drug is introduced from the inlet. Then, the deformed inlet side of the membranous member is returned to its original position and shape by the force into which the drug is introduced.
- the housing may be composed of an upper housing and a lower housing detachably coupled.
- the lower housing may be coupled to the space formed by the lower wall extending in the vertical direction below the upper housing.
- the lever, the elastic plate and the membrane member are located from below.
- the upper housing may be configured to form a separate inlet passage between the inlet and the drug flow passage and form a separate outlet passage between the outlet and the drug flow passage.
- the upper housing portions respectively corresponding to the inflow passage and the outflow passage may have a shape protruding upward.
- the upstream conduit and the downstream conduit may be inserted into the inflow passage and the outflow passage, respectively.
- the inflow passage and the outlet passage is spaced in the vertical direction with the drug flow passage, the drug inlet hole for connecting the inflow passage and the drug flow passage in the vertical direction, the outflow passage and the drug Drug exit holes for passing through the flow passage in the vertical direction are formed in the upper housing facing each other.
- the membranous member is seated on the periphery of the lower housing and then the lower housing is inserted into a space formed by the lower wall extending in the vertical direction below the upper housing.
- the periphery of the membranous member is fitted between the upper housing and the lower housing.
- the shape of the membranous member is formed so as to correspond to the shape of the lower housing, and the periphery of the membranous member protrudes up and down to fit in the space between the periphery of the lower housing and the bottom of the upper housing and is firmly fixed.
- the membrane member may be divided into an inlet side portion and an outlet side portion, and the approximately circular inlet side portion may partially overlap with the approximately circular outlet side portion.
- a boundary protrusion is formed between the inlet side portion of the membranous member and the outlet side portion of the membranous member, and the boundary protruding portion has an inlet side portion of the membranous member having a different area and thickness and an outlet side portion of the membranous member. It is a boundary that separates the and becomes a deformation point that is applied when the membrane member is deformed by the inflow drug pressure during drug injection.
- the area of the outlet side portion of the membranous member is made larger than the area of the inlet side portion of the membranous member so as to bias the pressure of the drug on the outlet side extension of the lever.
- the thickness of the outlet side portion of the film is thicker than the thickness of the inlet side portion of the membrane member.
- the axis of rotation of the lever is coupled over a pair of lever holder opposite to each other provided on the bottom surface of the lower housing.
- the inlet side extension part and the outlet side extension part of the lever move about the rotation axis in the vertical direction.
- a protruding portion protruding upward is formed at the distal end of the inlet-side extension part so that a force can be efficiently transmitted when contacting a lower surface of the inlet-side part of the membrane member.
- an upwardly protruding portion is also formed near the distal end of the outlet side extension portion so that the pressure of the drug can be effectively transmitted through the outlet side portion and the elastic plate of the membrane member.
- the elastic plate may be a leaf spring.
- the elastic plate may be composed of a peripheral portion and a central portion and ribs connecting them.
- the elastic plate may protrude convexly upward in a smooth state, as in a general leaf spring, but may be configured flat.
- the elasticity of the elastic plate is adjusted to adjust the flow rate and pressure of the drug discharged from the inlet to the outlet through the drug flow passage, the elasticity of the elastic plate by at least one of the material, thickness and rib thickness Can be adjusted.
- the elasticity of the membrane member is adjusted by adjusting the thickness of the outlet side portion of the membrane member, whereby the flow rate and pressure of the drug discharged to the outlet can be further adjusted.
- a plastic material may be used as the material of the elastic plate
- spring steel may be used as the material of the elastic plate.
- the flow rate of the drug may also be adjusted by adjusting the thickness of the elastic plate, the thickness of the elastic plate ribs, and / or the thickness of the outlet side portion of the membrane member to adjust the elasticity of the elastic plate and / or the elasticity of the membrane member.
- pressure can be adjusted.
- the thickness of the outlet side portion of the elastic plate and / or the membrane member may be thickened or the thickness of the elastic plate rib may be thickened.
- the pressure of the drug is adjusted to low pressure
- the thickness of the outlet side portion of the elastic plate and / or the membrane member may be reduced or the thickness of the elastic plate rib may be reduced.
- the drug injection regulator device of the present invention enables the inflow blocking and resumption of inflow of drugs by combining the membrane member, the elastic plate and the lever and the elastic adjustment of the elastic plate, and the elastic plate and And / or the drug may flow at a constant flow rate by adjusting the elasticity of the membranous member.
- the membranous member may be made of a silicon material
- the elastic plate may be made of a plastic material or spring steel
- the lower housing and the lever may be made of plastic.
- the present invention is not limited thereto and that the above components may be constructed using various materials known in the art consistent with the object of the present invention.
- the drug injection device of the present invention is characterized in that it comprises a regulator device for drug injection as described above.
- the regulator device for drug injection of the present invention having the above-described configuration can be adjusted to prevent the flow rate of the drug injected into the patient to exceed the flow rate required by the patient and to maintain a constant flow rate of the drug.
- the regulator device for drug injection of the present invention enables the inflow blocking and resumption of inflow of drugs by the combination of the membrane member, the elastic plate and the lever, and the elastic adjustment of the elastic plate, and the resilience of the elastic plate and / or the membrane member.
- Elastic adjustment provides the advantage of allowing the drug to flow at a constant flow rate.
- the regulator device for drug injection of the present invention is adjusted to maintain a constant flow rate of the drug injected into the patient, it provides an advantage that is easy to install while being applicable to Ringer's disease or various drug injection devices.
- FIG. 1 is a perspective view of a state in which the regulator injection device 10 for injection of an embodiment of the present invention is coupled.
- Figure 2 is an exploded perspective view of a state in which the drug injection regulator device 10 of the embodiment of the present invention is disassembled.
- Figure 3 is a longitudinal cross-sectional view of the drug injection regulator device 10 of the embodiment of the present invention is coupled.
- 4 to 6 is a state diagram illustrating the operation of the drug injection regulator device 10 of an embodiment of the present invention.
- FIG. 7 is a schematic block diagram showing an embodiment of a drug injection device to which the regulator injection device 10 for drug application according to an embodiment of the present invention is applied.
- FIG. 8 is a schematic configuration diagram showing another embodiment of a drug injection device to which the drug injection regulator device 10 according to an embodiment of the present invention is applied.
- Figure 9 is a longitudinal cross-sectional view showing only the upper housing 12 of the drug injection regulator device 10 of an embodiment of the present invention.
- the drug injection regulator device 10 of an embodiment of the present invention is largely the upper housing 12, the lower housing 14, the membrane member 15, the elastic plate It consists of 16 and the lever 17.
- the upper housing 12 and the lower housing 14 are detachable, for example, the lower housing 14 fits into a space formed by the lower wall 122 extending in the vertical direction below the upper housing 12. Can be combined in a custom way. As such, when the upper housing 12 and the lower housing 14 are coupled to each other, the entire housing of the drug injection regulator device 10 is formed, and the lever 17 from below in the space between the upper housing 12 and the lower housing 14 is formed. ), The elastic plate 16 and the membrane member 15 are positioned.
- the upper and lower housings 12 and 14 configured as described above have an inlet 18 communicating with an upstream conduit (not shown) extending to communicate with the drug storage space (not shown), An outlet 19 in communication with the downstream conduit (not shown).
- the upper plate 126 and the lower plate 124 of the upper housing 12 define an inlet passage 182 between the inlet 18 and the drug flow passage 186.
- the outlet passage 192 is partitioned between the outlet 19 and the drug flow passage 186.
- the upper housing portions corresponding to the inflow passage 182 and the outflow passage 192, respectively, according to the sections of the inflow passage 182 and the outflow passage 192 of the upper housing 12 may take the shape of protruding upward. Can be.
- upstream conduits (not shown) and downstream conduits (not shown) may be inserted into the inflow passage 182 and the outflow passage 192, respectively.
- the inflow passage 182 and the outflow passage 192 are spaced in a vertical direction from the drug flow passage 186, the upper housing 12, the inflow passage 182 and the drug flow passage 186 in the vertical direction
- the drug inlet hole 184 penetrating and connecting the outlet and the drug outlet hole 194 penetrating the outlet passage 192 and the drug flow passage 186 in the vertical direction are formed to face each other.
- the membranous member 15 is seated on the inlet side peripheral portion 144 and the outlet side peripheral portion 146 of the lower housing 14, and then the lower housing 14 is attached to the upper housing (
- the peripheral portion 156 of the membranous member 15 is connected between the upper housing 12 and the lower housing 14 when fitted in a space formed by the lower wall 122 extending in the vertically downward direction of 12. Fitted and combined.
- the shape of the membranous member 15 is formed to correspond to the shape of the lower housing 14, and the periphery 156 of the membranous member 15 protrudes up and down so that the periphery 144, 146 and the upper part of the lower housing 14 are upper and lower. It fits in the space between the lower plates 124 of the housing 12 and is firmly fixed.
- the membrane member 15 from the inlet 18 is a drug flow passage ( It is preferred that it is a material having flexibility and flexibility that can be modified according to the flow rate and pressure of the drug discharged to the outlet 19 through 186.
- the membranous member 15 may be made of a silicon material. More preferably, the membrane member 15 is made of a thin silicon material.
- the membranous member 15 may be divided into an inlet side portion 153 and an outlet side portion 154 so that the approximately circular inlet side portion 153 partially overlaps with the approximately circular outlet side portion 154.
- a boundary protrusion 158 is formed between the inlet side portion 153 and the outlet side portion 154 of the membrane member 15, and the boundary protrusion 158 has an inlet side portion 153 having a different area and thickness.
- the outlet-side portion 154 is a boundary line that is a deformation point that is subjected to a force when the membrane member 15 is deformed by the inflow drug pressure during drug injection.
- the area of the outlet side portion 154 of the membrane member 15 is the inlet side portion 153.
- the thickness of the outlet side portion 154 of the membranous member 15 is made thicker than the thickness of the inlet side portion 153.
- the inlet side portion 153 of the membrane member 15 is relatively thinner than the outlet side portion 154, a portion extending upwardly stepwise from the inlet side peripheral portion 144 of the peripheral portion of the lower housing 14 ( Supported by 145, the protruding peripheral portion 156 of the membranous member 15 is stably seated in the lower housing 14 while being caught by the step formed by the inlet side peripheral portion 144 and the upwardly extending portion 145. At this time, the upwardly extending portion 145 protrudes from the inlet side peripheral portion 144 by the difference between the thickness of the outlet side portion 154 and the thickness of the inlet side portion 153 of the membrane member 15.
- the lever 17 is located below the membrane member 15 and faces the inlet side extension 174 and the outlet side extension 176 facing each other about the rotation axis 172. And the inlet side extension portion 174 rotates about the rotational axis 172 according to the flow rate of the drug while contacting the lower surface of the membrane member 15, so that the membrane member 15 has a drug inlet hole 184. ) Is deformed to block or open.
- the rotating shaft 172 of the lever 17 is coupled over a pair of lever holder 148 opposed to each other provided on the bottom surface 142 of the lower housing 14.
- the inlet-side extension 174 and the outlet-side extension 176 of the lever move about the rotation shaft 172 in the vertical direction.
- a protruding portion 175 protruding upward is formed at the distal end of the inlet side extension portion 174, so that the force can be efficiently transmitted when the lower surface of the inlet side portion 153 of the membrane member 15 is contacted.
- an upwardly protruding portion 177 is formed near the distal end of the outlet side extension portion 176 to provide pressure to the drug through the outlet side portion 154 of the membrane member 15 and the elastic plate 16 to be described later. It can be delivered effectively.
- the elastic plate 16 is located in close contact between the membrane member 15 and the lever 17, the inlet side extension 174 of the lever 17 covers only a portion and the outlet It is seated on the outlet side peripheral part 146 of the lower housing 14, covering the side extension part 176 completely.
- the elastic plate 16 may include a peripheral portion 162 and a central portion 166 and ribs 164 connecting them.
- the elastic plate 16 may protrude convexly upward in a smooth state, as in the general leaf spring, but may be configured flat.
- the elastic plate 16 is preferably a leaf spring.
- the elasticity of the elastic plate 16 is adjusted to adjust the flow rate and pressure of the drug discharged from the inlet 18 to the outlet 19 through the drug flow passage 186, the material, thickness and The elasticity may be adjusted by at least one of the thicknesses of the ribs.
- the elasticity of the membranous member 15 is adjusted by adjusting the thickness of the outlet side portion 154 of the membranous member 15, whereby the flow rate and pressure of the drug discharged to the outlet 19 can be further adjusted.
- a plastic material may be used as the material of the elastic plate 16
- spring steel may be used as the material of the elastic plate 16.
- the thickness of the elastic plate 16, the thickness of the elastic plate ribs 164, and / or the thickness of the outlet side portion 154 of the membrane member 15 may be adjusted to adjust the elastic plate 16 and / or the membrane member ( The flow rate and pressure of the drug can be adjusted by adjusting the elasticity of 15).
- the thickness of the elastic plate 16 and / or the thickness of the outlet side portion 154 of the membrane member 15 may be thickened or the thickness of the elastic plate rib 164 may be thickened.
- the thickness of the elastic plate 16 and / or the thickness of the outlet side portion 154 of the membrane member 15 or the thickness of the elastic plate rib 164 is thinned. can do.
- other components other than the membranous member 15 and the elastic plate 16 may be made of a plastic material.
- the present invention is not limited thereto and that the above components may be constructed using various materials known in the art consistent with the object of the present invention.
- the outflow after inflow is shown (drug overdose).
- Drug flowed in through the inlet 18, the inlet passage 182 and the drug inlet 184 is the drug flow passage between the bottom of the upper housing 12 and the top of the inlet side portion 153 of the membranous member 15.
- the pressure passes while hitting the boundary protrusion 158 of the membranous member 15, while passing through a narrow space between the boundary protrusion 158 and the bottom surface of the upper housing 12.
- the introduced drug flows into the drug flow passage 186 between the bottom of the upper housing 12 and the top of the outlet side portion 154 of the membrane member 15 and flows out through the drug outlet hole 194. (The "a" state in FIG. 4).
- the thickness of the outlet side portion 154 of the membrane member 15 is thicker than the thickness of the inlet side portion 153, the bottom surface of the upper housing 12 and the outlet side portion 154 of the membrane member 15 are formed.
- the space formed between the upper surface is narrower than the space formed between the lower surface of the upper housing 12 and the upper surface of the inlet side portion 153 of the membranous member 15, and the drug passing through the narrow space passes through the drug outlet hole 194.
- the elastic pressure of the elastic plate 16 is overcome while the outflow pressure of the drug reaches the outlet side extension 176 of the lever 17.
- the elastic plate 16 is pressed downwardly by the outlet pressure of the drug while pressing the outlet side extension 176 of the lever 17 (this process in FIG. 4 to facilitate the convenience and understanding of the illustration). Omit the illustration for only the rotational state of the lever 17). Accordingly, the lever 17 rotates clockwise about the rotation axis 172 so that the outlet side extension 176 of the lever 17 is downward and the inlet side extension 174 of the lever 17 is upward. It is moved (“c” state in FIG. 4).
- the drug is shown in Figure 3 It is normally injected as follows. If the drug is injected again in excess, the steps of FIGS. 4, 5 and 6 may be repeated to block and resume the inflow of the drug and allow the drug to flow at a constant flow rate.
- Figure 7 and Figure 8 shows an example in which the regulator injection device 10 for drug injection according to an embodiment of the present invention is applied.
- the regulator device for drug injection 10 of the present invention disposed in the rear of the piston 140 for adjusting the gas pressure to the gas supply unit 130 for supplying gas for pushing the piston 140 forward
- the flow rate of the drug pushed out of the drug storage space 120 in the cylinder 110 by the piston 140 can be made constant without providing a separate pressure control valve (see FIG. 7).
- the inlet port 18 of the drug injection regulator device 10 of the present invention is connected to an upstream tube 151, and the outlet port 19 is connected to a downstream tube 152.
- the drug injection regulator device 10 of the present invention is adapted to a multiflow method.
- the fluctuation of the flow rate can be minimized even for the drug flowing out at the selected flow rate by the rotation of the flow control unit 70 in the multi-flow apparatus 50 (see FIG. 8). That is, the inlet 18 of the drug injection regulator device 10 and the chemical liquid inlet 28 of the ringer coupling device 40 of the present invention are connected, and the branched tube 552 connected to the outlet 19 is separately provided.
- the flow rate adjusting unit 70 may minimize the flow rate selection as well as the variation of the selected flow rate.
- the parts provided in the ringer connection device 40 and the multi-flow device 50 shown in FIG. 8 are described in the prior art WO 2005/105183 A1, and those skilled in the art can easily apply the present invention. Since it can be configured, the description of the corresponding parts and the description of the reference numerals related thereto are omitted.
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Abstract
Description
Claims (10)
- 약물저장공간과 연통하도록 연장된 상류측 도관과 연통하는 유입구, 하류측 도관과 연통하는 유출구, 및 상기 유입구 및 상기 유출구와 연통하는 내부 공간을 구비하는 하우징과,상기 하우징의 내부 공간에 위치하여 상기 유입구와 상기 유출구 사이의 약물 유동 통로를 형성하고, 상기 유입구로부터 상기 약물 유동 통로를 통해 상기 유출구로 배출되는 약물의 압력이 전달되며, 상기 유입구로부터 상기 약물 유동 통로를 통해 상기 유출구로 배출되는 약물의 유량에 따라 변형되는 막상 부재와,상기 막상 부재의 아래쪽에 위치하고 회전축을 중심으로 서로 대향하는 유입구측 연장부 및 유출구측 연장부를 갖는 지렛대로서, 상기 유입구측 연장부는 상기 막상 부재의 하면에 접촉하면서 상기 약물의 유량에 따라 회전축을 중심으로 회전이동하여, 상기 막상 부재가 상기 유입구를 차단 또는 개방하도록 상기 막상 부재를 변형시키는 지렛대와,상기 막상 부재와 상기 지렛대 사이에 밀착하여 위치하는 탄성 플레이트로서, 상기 약물의 유량이 환자에게 필요한 유량을 초과할 때에만 상기 막상 부재를 통해 전달되는 약물의 압력이 상기 지렛대의 유출구측 연장부에 전달되도록 탄성이 조정되어 있는 탄성 플레이트를 포함하는 약물주입용 레귤레이터 장치.
- 제1항에 있어서,상기 막상 부재는 유입구측 부분과 유출구측 부분으로 분할되어 형성되고, 상기 막상 부재의 유입구측 부분과 상기 막상 부재의 유출구측 부분 사이에는 경계 돌출부가 형성된 것을 특징으로 하는 약물주입용 레귤레이터 장치.
- 제2항에 있어서,상기 지렛대의 유출구측 연장부에 약물의 압력이 치우쳐서 작용되도록 하기 위해, 상기 막상 부재의 유출구측 부분의 면적을 상기 막상 부재의 유입구측 부분의 면적 보다 크게 형성하는 것을 특징으로 하는 약물주입용 레귤레이터 장치.
- 제2항 또는 제3항에 있어서,상기 지렛대의 유출구측 연장부에 약물의 압력이 치우쳐서 작용되도록 하기 위해, 상기 막상 부재의 유출구측 부분의 두께를 상기 막상 부재의 유입구측 부분의 두께 보다 두껍게 형성하는 것을 특징으로 하는 약물주입용 레귤레이터 장치.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 하우징은 결합분리가능한 상부 하우징과 하부 하우징으로 구성되고, 상기 상부 하우징은 상기 유입구와 상기 약물 유동 통로 사이에 유입통로를 형성하며 상기 유출구와 상기 약물 유동 통로 사이에 유출통로를 형성하도록 구성되는 것을 특징으로 하는 약물주입용 레귤레이터 장치.
- 제5항에 있어서,상기 유입통로 및 상기 유출통로는 상기 약물 유동 통로와 수직방향으로 거리를 두고 있고, 상기 유입통로와 상기 약물 유동 통로를 수직방향으로 관통하여 연결하는 약물유입구멍과, 상기 유출통로와 상기 약물 유동 통로를 수직방향으로 관통하여 연결하는 약물유출구멍이 서로 대향하여 상기 상부 하우징에 형성된 것을 특징으로 하는 약물주입용 레귤레이터 장치.
- 제1항 내지 제6항 중 어느 한 항에 있어서,상기 탄성 플레이트는 주변부와 중앙부 그리고 이들을 연결하는 리브로 구성되는 것을 특징으로 하는 약물주입용 레귤레이터 장치.
- 제7항에 있어서,상기 유입구로부터 상기 약물 유동 통로를 통해 상기 유출구로 배출되는 약물의 유량 및 압력을 조절하기 위해, 상기 탄성 플레이트의 재질, 두께 및 리브의 굵기 중 적어도 하나에 의해 상기 탄성 플레이트의 탄성이 조정되거나 상기 막상 부재의 유출구측 부분의 두께에 의해 상기 막상 부재의 탄성이 조정되는 것을 특징으로 하는 약물주입용 레귤레이터 장치.
- 제1항 내지 제8항 중 어느 한 항에 있어서,상기 막상 부재는 실리콘 재질로 구성되고, 상기 탄성 플레이트는 플라스틱 재질 또는 스프링강으로 구성되는 것을 특징으로 하는 약물주입용 레귤레이터 장치.
- 제1항 내지 제9항 중 어느 한 항에 정의된 약물주입용 레귤레이터 장치를 구비하는 약물주입장치.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201480049015.5A CN105517596B (zh) | 2013-07-09 | 2014-05-27 | 用于药物输注的调节器及包括该调节器的药物输注装置 |
| EP14823302.6A EP3020431B1 (en) | 2013-07-09 | 2014-05-27 | Regulator for drug infusion and drug infusion device including same |
| JP2016523625A JP6067187B2 (ja) | 2013-07-09 | 2014-05-27 | 薬物注入用レギュレータ装置及びそれを備えた薬物注入装置 |
| US14/903,595 US9987424B2 (en) | 2013-07-09 | 2014-05-27 | Regulator for drug infusion and drug infusion device including same |
| US15/854,644 US10322232B2 (en) | 2013-07-09 | 2017-12-26 | Regulator for drug infusion and drug infusion device including same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0080050 | 2013-07-09 | ||
| KR20130080050A KR101476042B1 (ko) | 2013-07-09 | 2013-07-09 | 약물주입용 레귤레이터 장치 및 이를 구비한 약물주입장치 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US14/903,595 A-371-Of-International US9987424B2 (en) | 2013-07-09 | 2014-05-27 | Regulator for drug infusion and drug infusion device including same |
| US15/854,644 Continuation US10322232B2 (en) | 2013-07-09 | 2017-12-26 | Regulator for drug infusion and drug infusion device including same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2015005581A2 true WO2015005581A2 (ko) | 2015-01-15 |
| WO2015005581A3 WO2015005581A3 (ko) | 2015-04-09 |
Family
ID=52280690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2014/004689 Ceased WO2015005581A2 (ko) | 2013-07-09 | 2014-05-27 | 약물주입용 레귤레이터 장치 및 이를 구비한 약물주입장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US9987424B2 (ko) |
| EP (1) | EP3020431B1 (ko) |
| JP (1) | JP6067187B2 (ko) |
| KR (1) | KR101476042B1 (ko) |
| CN (1) | CN105517596B (ko) |
| WO (1) | WO2015005581A2 (ko) |
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| WO2019155453A1 (en) | 2018-02-11 | 2019-08-15 | Avoset Health Ltd. | Flex-stroke infusion pump |
| WO2020080883A1 (en) * | 2018-10-19 | 2020-04-23 | Yong Hyun Kim | Medicine transfer device and medicinal liquid injection apparatus including the same |
| KR102157619B1 (ko) * | 2018-10-19 | 2020-09-18 | 김용현 | 필터 일체형 약물 이송관 장치 및 이를 포함하는 약액 주입 장치 |
| US12290660B2 (en) | 2019-01-08 | 2025-05-06 | Cochlear Limited | Heating elements for thermally-driven phase transition implantable micropump |
| EP3705148B1 (en) | 2019-03-04 | 2024-06-19 | Eitan Medical Ltd. | In cycle pressure measurement |
| EP3934715B1 (en) | 2019-03-05 | 2024-08-14 | Eitan Medical Ltd. | Infusion pump cassette latch |
| WO2020178827A1 (en) | 2019-03-05 | 2020-09-10 | Avoset Health Ltd. | Anti-free-flow valve |
| US12318576B2 (en) | 2019-03-05 | 2025-06-03 | Eitan Medical Ltd. | Infusion pump with toggling capability |
| US12214162B2 (en) | 2019-03-05 | 2025-02-04 | Eitan Medical Ltd. | Infusion pump with valve compensation |
| KR102086445B1 (ko) * | 2019-07-05 | 2020-03-09 | 김용현 | 약물 이송관 장치용 커버 및 이를 포함하는 약물 이송관 장치 세트 |
| KR20230148323A (ko) * | 2022-04-15 | 2023-10-24 | 이오플로우(주) | 약액 주입 장치 |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101476042B1 (ko) | 2014-12-23 |
| WO2015005581A3 (ko) | 2015-04-09 |
| JP2016523169A (ja) | 2016-08-08 |
| US20160175518A1 (en) | 2016-06-23 |
| EP3020431B1 (en) | 2018-05-16 |
| US10322232B2 (en) | 2019-06-18 |
| US20180117246A1 (en) | 2018-05-03 |
| CN105517596A (zh) | 2016-04-20 |
| US9987424B2 (en) | 2018-06-05 |
| CN105517596B (zh) | 2018-11-30 |
| EP3020431A2 (en) | 2016-05-18 |
| EP3020431A4 (en) | 2017-03-29 |
| JP6067187B2 (ja) | 2017-01-25 |
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