WO2015020374A1 - Pompe à micro cylindre et dispositif de micro pompage l'utilisant - Google Patents

Pompe à micro cylindre et dispositif de micro pompage l'utilisant Download PDF

Info

Publication number
WO2015020374A1
WO2015020374A1 PCT/KR2014/007166 KR2014007166W WO2015020374A1 WO 2015020374 A1 WO2015020374 A1 WO 2015020374A1 KR 2014007166 W KR2014007166 W KR 2014007166W WO 2015020374 A1 WO2015020374 A1 WO 2015020374A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
rotating member
piston
pump
cylinder
Prior art date
Application number
PCT/KR2014/007166
Other languages
English (en)
Korean (ko)
Inventor
이상빈
이건형
이지은
Original Assignee
Lee Sang Bin
Lee Kun-Hyung
Lee Ji-Eun
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 Lee Sang Bin, Lee Kun-Hyung, Lee Ji-Eun filed Critical Lee Sang Bin
Publication of WO2015020374A1 publication Critical patent/WO2015020374A1/fr

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/14212Pumping with an aspiration and an expulsion action
    • A61M5/14216Reciprocating piston type
    • A61M5/1422Reciprocating piston type with double acting or multiple pistons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/14244Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16804Flow controllers
    • A61M5/16809Flow controllers by repeated filling and emptying of an intermediate volume

Definitions

  • the present invention relates to a micro-cylinder pump and a micro-pumping apparatus using the same. More particularly, the micro-cylinder pump has a simple structure and a small size, and is capable of remote control and stable liquid injection, and such a micro-cylinder pump.
  • the present invention relates to a micropumping device for easy installation and detachment.
  • a syringe pump or infusion pump is used to inject the drug solution or blood (hereinafter, briefly referred to as 'medicine solution or blood' only from the drug solution) from the drug container or blood pack into the patient with constant and highly precise control. do.
  • Syringe pumps are complex, machine-size, and fixed at fixed locations for increased precision. Only available in the state. Syringe pump has high precision but can not use large capacity by using syringe, and there is inconvenience to operate repeatedly when using large capacity.
  • the conventional syringe pump or infusion pump has a pressure to install the liquid container or blood pack, that is, the pressure of the chemical liquid discharged according to the chickenpox, so that the need to install the liquid container or blood pack at a certain height using a cradle There is this.
  • the precision of the syringe pump or the infusion pump is limited in advance, and the precision is high, the supply amount of the chemical liquid is small, so that different syringe pumps or infusion pumps should be used depending on the precision of the required injection amount of the chemical liquid. Or there is a burden of having an infusion pump.
  • the conventional infusion pump is a peristaltic method in which the terminal of the machine presses or squeezes the tube, and the syringe pump injects drugs by pushing the piston of the syringe to indirectly control the chemicals, so that the terminal is overloaded. Because of the low or high reliability due to jammed or complicated mechanical structure, frequent failures, nursing personnel should be put in place from time to time, and remote control is difficult.
  • the objective is simple, small in size, stable chemical injection, stable overload of the machine, no trouble, remote control, durable micro cylinder To provide a pump.
  • Still another object of the present invention is to provide a micropumping device capable of detecting a bubble mixing and an overload condition.
  • the first first casing is rotated by inserting the first rotating member therein, and the second engaging in the first sliding member and the inner sliding contact with the first rotating member therein;
  • the rotating member is inserted into a conventional second casing, the inner wall surface of the first casing, the lower outer peripheral surface of the first rotating member, the inner wall surface of the second casing and the upper outer peripheral surface of the second rotating member
  • a ring-shaped cylinder is formed, and the first rotating member and the second rotating member are each provided with a piston which rotates in the cylinder in a state in which the cross section of the cylinder is blocked, and the chemical liquid flows into the cylinder.
  • the inflow pipe and the outflow pipe through which the chemical liquid flows are formed in the first casing or the second casing, and the first rotating member and the second rotating member are connected to a driving device, respectively.
  • Rotatable, and the piston is a micro cylinder pump, it characterized in that the piston is supported on a fixture disposed in front and rear of the piston is respectively provided on the first rotary member and the second rotary member.
  • the size of the cross-sectional area of the piston fixture is characterized in that less than the cross-sectional area of the piston.
  • each of the first casing and the second casing is characterized in that the mounting stone base body corresponding to each other is formed.
  • first casing or the second casing is characterized in that the mounting projection is formed.
  • the outlet pipe may be detachably connected to the outlet pipe, and the inlet pipe may be detachably connected to the inlet pipe.
  • Another invention the fine cylinder pump described above; And a driving device detachably mounted to the fine cylinder pump and having an inner driving shaft and an outer driving shaft mounted to the first rotating member and the second rotating member, wherein a sensing unit is installed in the inlet pipe or the outlet pipe. It is a fine pumping device characterized in that.
  • the sensing unit the sensor housing connected to the inlet pipe or the outlet pipe; A sensing tube inserted into the sensor housing; And it is characterized in that it comprises a sensor installed in the sensor mounting opening formed in the sensor housing.
  • the sensor may be a load cell in contact with the sensing tube or an ultrasonic sensor installed in proximity to the sensing tube.
  • the inlet pipe or the outlet pipe is characterized in that the multiple sides are connected.
  • the multi-sided syringe is characterized in that the connection.
  • the fine cylinder pump is provided with a mounting projection
  • the mounting groove of the drive device is formed with a locking groove into which the mounting projection is inserted, the micro cylinder by the rotation of the first rotating member and the second rotating member. It is characterized in that the pump is locked or released.
  • the microcylinder pump according to the present invention has a simple structure and can supply gas, liquid, solid, or a mixture thereof with a high accuracy, and can cope with a wide or narrow range of injection volume per hour, and the durability of the device. Can also be improved.
  • micro-cylinder pump of the present invention is small in size, easy to carry, and is not affected by the height of the chemical container or blood pack, so that the function of the pump can be maintained without installing the chemical container or the blood pack on the pole. It is possible to replace various chemical injection regulators and chemical injection pumps.
  • the installation space of the microcylinder pump becomes small, and the patient can move freely even in the state in which the chemical liquid is injected by the microcylinder pump.
  • the chemical liquid is directly controlled by the piston in the cylinder, the flow rate can be precisely controlled, allowing remote control by well-known technologies such as Wi-Fi and GPS. It can be very helpful in reducing manpower.
  • the chemical liquid drive unit and the operating unit can be detached and the operating unit can be used for a single time, enabling safer supply of the chemical liquid.
  • the installation position of the fine cylinder pump since the installation position of the fine cylinder pump does not need to use a pole, it can be installed in various locations such as beds, floors, and wheelchairs, and reduces the amount of use of various accessories made of fossil fuel such as PVC tubes, which are harmful to humans and the environment. In addition, incineration can significantly reduce carcinogens and environmental pollution.
  • micro-cylinder pump according to the present invention can be utilized as a pump for supplying gases, liquids, solids, and mixtures thereof in various fields as well as medical devices.
  • FIG. 1 is a perspective view of a fine cylinder pump according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a micropumping apparatus using the microcylinder pump of FIG.
  • FIG. 3 is an exploded perspective view as viewed from the upper side of the fine cylinder pump of FIG.
  • FIG. 4 is an exploded perspective view as viewed from the lower side of the fine cylinder pump of FIG.
  • FIG. 5 is a cross-sectional view of the first casing of the fine cylinder pump of FIG.
  • FIG. 6 is a perspective view as viewed from the upper side and the lower side of the first rotating member of the fine cylinder pump of FIG.
  • FIG. 7 is a perspective view as viewed from the upper side and the lower side of the second rotating member of the fine cylinder pump of FIG.
  • FIG. 8 is a view schematically illustrating an operation procedure of the fine cylinder pump of FIG. 1.
  • FIG. 9 is a perspective view of a state in which a multi-lateral side is installed in the fine cylinder pump of FIG. 1.
  • FIG. 10 is an exploded perspective view of the sensing unit installed in the fine cylinder pump of FIG.
  • FIG. 11 is a perspective view of a state in which a connection tube is installed in a fine cylinder pump in which the sensing unit of FIG. 10 is installed.
  • the micro-cylinder pump according to the present invention is not a method of adjusting the flow rate by pushing the piston or the piston (Syringe) to squeeze the tube of the prior art, the two pistons in the annular cylinder alternately one rotation one by one
  • the method of performing the inflow and outflow of the chemical solution at the same time that is, the principle of the direct flow control method.
  • the method used in the present invention can be variously controlled from a micro flow rate to a large flow rate by the size and rotation speed of the cylinder and the piston.
  • the core of the present invention is to precisely control the microflow rate by the microdisplacement of the piston in the operating portion.
  • the microcylinder pump according to the present invention is an operation unit detachable from the driving device, and the driving device and the fine cylinder pump form a fine pumping device.
  • the drive device can be used permanently, and the operation unit can be used for single use.
  • FIG. 1 is a perspective view of a fine cylinder pump 200 according to an embodiment of the present invention.
  • the fine cylinder pump 200 is detachable to the driving device 100 as shown in FIG.
  • a liquid such as chemical liquid or blood, an emulsion in which powder is mixed, or a gas such as oxygen
  • only the fine cylinder pump 200 may be replaced.
  • the drive device 100 is mounted on one side of the housing 102 with an inner drive shaft 114 and an outer drive shaft 112 in a double tube form, and the drive device 100 has an inner drive shaft 114 and an outer drive shaft 112. ) May be formed with a mounting groove 108.
  • the fine cylinder pump 200 is inserted into the mounting groove 108 is installed.
  • Components for rotating the inner drive shaft 114 and the outer drive shaft 112 will be omitted (see Korean Patent No. 10-0948632).
  • the inner drive shaft 114 and the outer drive shaft 112 may be operated by a separate motor (not shown).
  • the locking groove 110 is formed on the side wall of the mounting groove (108). Therefore, the micro cylinder pump 200 is fixed to the locking groove 110, the inner drive shaft 114 and the outer drive shaft 112 is coupled, the inner drive shaft 114 and the outer drive shaft 112 starts to rotate.
  • the piston (230, 256) in the fine cylinder pump 200 is rotated to be fitted into the locking groove 110 to achieve a locked state that cannot be detached artificially.
  • the inner drive shaft 1 ⁇ 14 and the outer drive shaft 112 rotate in reverse, a release state may be achieved.
  • the mounting cylinder is formed to protrude from the microcylinder pump 200 to be inserted into the locking groove 110.
  • the mounting protrusion may be formed by coupling the mounting protrusions 205 and 265 formed in the first casing 202 and the second casing 264 to each other.
  • the mounting protrusion may be formed only in any one of the first casing 202 and the second casing 264.
  • the locking groove 110 may be formed on the bottom surface of the locking groove 110 instead of the side wall, and may be formed in a manner in which a protrusion formed in the first casing 202 is mounted.
  • the inner drive shaft 114 and the outer drive shaft 112 are each independently rotatable. And, the inner drive shaft 114 and the outer drive shaft 112,
  • the driving device 100 may include an input unit 106 for operation and a display window 104 for identifying a current state.
  • the input unit 106 and the display window 104 may be located in various ways, such as the front or the top of the driving device for convenience.
  • the microcylinder pump 200 basically includes a first casing 202 and a second casing 264 constituting a body, a first rotating member 222 inserted into the first casing 202, and the second casing 202. And a second rotating member 244 inserted into the casing 264.
  • the second casing 264 is formed with an inlet tube 213 through which the chemical liquid flows into the microcylinder pump 200, and an outlet tube 215 for supplying the chemical liquid to the chemical tube or the like (FIGS. 5 and 10). Reference).
  • the inlet pipe 213 and the outlet pipe 215 may be formed in the first casing 202 or may be formed in half of the first casing 202 and the second casing 264.
  • first casing 202 and the second casing 264 are coupled to each other as shown in Figure 8 while the first piston 230 and the second rotating member (1) of the first rotating member 222 (
  • the second piston 256 of 244 forms an annular cylinder to which it moves.
  • An inlet 266 and an outlet 268 are formed in the cylinder so that the inlet pipe 213 and the outlet pipe 215 communicate with each other. Therefore, the inlet port 266 and the outlet port 268 may be formed in either one of the first casing 202 and the second casing 264, or may be formed one by one.
  • the angle between the inlet 266 and the outlet 268 is 30 degrees, and can be adjusted as needed. This coincides with a central angle of 30 ° occupied by the pistons 230 and 256, which will be described later, and when one of the pistons 230 and 256 is located between the inlet port 266 and the outlet port 268, the inlet port 266 ) And the outlet 268 is not closed. Therefore, the center angle with respect to the center of rotation of the inlet port 266 and the outlet port 268 is disposed to be one or more times two times or less than the center angle ⁇ of one piston.
  • the first casing 202 is provided with a first supporting member 218 on which the first rotating member 220 is rotatable, and the second casing 264.
  • the intermediate supporting member 219 is disposed between the first rotating member 220 and the second rotating member 244 so as to be freely rotated with each other.
  • the first rotating member 220, the second rotating member 244, and the intermediate support member 219 simultaneously perform a sealing role like a gasket.
  • a plurality of O-rings may be additionally installed to prevent leakage of the chemical liquid.
  • the first coupling protrusion 205 is formed outside the first casing 202
  • the second coupling protrusion 265 is formed outside the second casing 264, so that the first casing 202 and the first casing 202 are formed.
  • the second casing 264 is engageable by coupling means such as bolts and nuts, or ultrasonic welding. Alternatively, direct fitting and groove fitting may be possible, which may use a known technique.
  • a pair of first piston fixtures 232 and 234 are installed on the first rotating member 220, and a first piston 230 is disposed between the first piston fixtures 232 and 234.
  • a pair of second piston fixtures 258 and 260 are installed on the second rotating member 244, and a second piston 256 is disposed between the second piston fixtures 258 and 260.
  • the size of the cross-sectional area of the first piston 230 and the second piston 256 is equal to or larger than the size of the cross-sectional areas of the first piston fixtures 232 and 234 and the second piston fixtures 258 and 260.
  • the piston pistons 232, 234, 258 and 260 can be more stably supported. There is an advantage that the durability of the fine cylinder pump 200 is improved. In addition, since deformation of the first piston 230 and the second piston 256 is suppressed by the piston fixtures 232, 234, 258 and 260, the space between the first piston 230 and the second piston 256 is reduced. It can be kept constant to improve the accuracy of flow control.
  • the pistons 230 and 256 have the same cross-sectional area as the cylinder and are bent at the same curvature, and the center angle thereof is 30 ° as described above.
  • the center angles of the pistons 230 and 256 are the same as the center angles between the inlet pipe 214 and the outlet pipe 216.
  • first casing 202 is formed with a through hole 206 into which the inner drive shaft 114 and the outer drive shaft 112 are inserted. It may also be formed in the second casing 264.
  • first rotation member 202 is formed with a first coupling groove 228 that engages with the external drive shaft 112. The internal drive shaft 114 is inserted through the first coupling groove 228 to allow rotation without any interference.
  • second rotating member 244 is formed with a second coupling groove 254 meshing with the internal drive shaft 114.
  • the fine cylinder pump 200 is basically configured as described above, it will be described below the assembled state and operation method.
  • FIG. 8 is a view schematically illustrating an operation procedure of the microcylinder pump 200 after assembling the first and second rotation members 222 and 244 of the microcylinder pump 200.
  • the inlet 266 and the outlet 268 are installed in the second casing 202, but the first casing 202 is provided for convenience of understanding. It is shown as being in communication with the casing 202.
  • the positions of the inlets 266 and the outlets 268 are when the pistons 230 and 256 rotate counterclockwise, and if the direction of rotation of the pistons 230 and 256 is clockwise, reference numeral 266 becomes the outlet tube.
  • Reference numeral 268 denotes an inlet pipe.
  • the assembled product is in a sealed state, in which the pistons 230 and 256 shown in FIG. 8A are further rotated counterclockwise, so that the pistons 230 and 256 close the inlet 266 and the outlet 268.
  • one piston 256 is positioned between the inlet 266 and the outlet 268, and the other piston 230 opens the inlet 276. It is closed.
  • the operation start state in the sealed state is realized through the operation of the drive device (100).
  • the trailing piston 230 is positioned between the inlet 266 and the outlet 268.
  • the chemical liquid in the cylinder located in the rotational direction (counterclockwise) ahead of the piston 256 is discharged from the outlet 268. It will be discharged through.
  • the chemical liquid flows into the rear side of the piston 256 through the inlet port 266 to fill the inside of the cylinder. In other words, the discharge and inflow of the chemical liquid occurs at the same time by the rotating piston (256).
  • the fine cylinder pump 200 can continuously perform the supply of the chemical liquid, by controlling the rotational speed of the piston (230, 256) it is possible to fine-tune the chemical liquid supply amount .
  • FIG. 9 shows an application example of the fine cylinder pump 200. That is, by providing the multi-side 40 in the inlet port 214, two or more liquids are selectively supplied or the syringe 16 to any one tube 16 through the operation of the knob 42 of the multi-side 40 It is possible to supply the medicine and the liquid in the syringe by connecting it, that is, the role of the syringe pump is possible, the cylinder pump is one of the role of the infusion pump and the role of the syringe pump. Therefore, one tube 14 is connected to one side of the multi-side 40, and two tubes 16 and 18 are connected to the other side. Similarly, it is also possible to select two or more directions in which the discharge port 216 is provided with multiple directions.
  • FIGS. 10 and 11 illustrate a state in which a sensing unit having a bubble detection function and a blockage detection function is installed to prevent a malfunction of the microcylinder pump 200 and detect an end state.
  • the sensor unit may be installed in both the inlet pipe 213 and the outlet pipe 215.
  • the sensor unit is connected to the inlet pipe 213 and the outlet pipe 215, the connection port (302, 304), the sensor housing (314, 320) connected to the connection port (302, 304), and the sensor housing (314, 320)
  • the sensing tubes 306 and 308 inserted therein, and the sensors 310, 312, 326 and 328 installed in the sensor installation holes 316, 318, 322 and 324 formed in the sensor housings 314 and 320 are included.
  • the sensors 310, 312, 326, and 328 are composed of load cells 326, 328 and ultrasonic sensors 310, 312.
  • the load cells 326 and 328 expand in pressure because the pressure rises when the pipe is folded or closed at any position where the micro cylinder pump 200 is connected, as well as the micro cylinder pump 200.
  • the sensor installation holes 318,324.
  • the ultrasonic sensors 310 and 312 detect the bubbles in the sensing tubes 306 and 308.
  • the ultrasonic sensors 310 and 312 measure ultrasonic vibrations, and thus, the bubbles are mixed in the liquid. . Even in this case, the driving device 100 may be stopped or an alarm may be prevented, which may be caused by a bubble inflow.
  • Mounting ports 330 and 332 may be connected to the sensor housings 314 and 320, and may be connected to separate tubes 10 and 12 into which liquid is introduced and supplied. Coupler 334 is installed in the mounting port 332 can be fastened to the mechanism having a screw line.
  • Tube 40 Multilateral
  • drive unit 102 housing
  • first supporting member 220 first rotating member
  • first piston fixture 219 intermediate support member

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)
  • Reciprocating Pumps (AREA)

Abstract

La présente invention concerne : une pompe à micro cylindre de petite taille et dotée d'une structure simple, pouvant être contrôlée à distance, et activée pour injecter du liquide de façon stable ; et un dispositif de micro pompage utilisant la pompe à micro cylindre grâce à une fixation et à un retrait faciles de la pompe à micro cylindre. La pompe à micro cylindre et le dispositif de micro pompage peuvent être utilisés en tant qu'équipement médical avec une pompe destinée à alimenter du gaz, des liquides, des solides et leurs mélanges dans divers domaines.
PCT/KR2014/007166 2013-08-05 2014-08-04 Pompe à micro cylindre et dispositif de micro pompage l'utilisant WO2015020374A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20130092733 2013-08-05
KR10-2013-0092733 2013-08-05
KR10-2013-0092734 2013-08-05
KR20130092734 2013-08-05

Publications (1)

Publication Number Publication Date
WO2015020374A1 true WO2015020374A1 (fr) 2015-02-12

Family

ID=52461641

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/007166 WO2015020374A1 (fr) 2013-08-05 2014-08-04 Pompe à micro cylindre et dispositif de micro pompage l'utilisant

Country Status (1)

Country Link
WO (1) WO2015020374A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115279432A (zh) * 2020-03-10 2022-11-01 医疗革新技术有限公司 气缸泵
EP4151195A4 (fr) * 2020-05-13 2024-05-29 Meinntech Co. Ltd. Kit de préparation d'injection et système de préparation d'injection le comprenant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980021443A (ko) * 1996-09-17 1998-06-25 이종현 유체펌프
KR19980062141U (ko) * 1997-03-31 1998-11-16 소병택 수용액 정량공급펌프의 카트리지
JP2004024476A (ja) * 2002-06-25 2004-01-29 Nemoto Kyorindo:Kk 輸液ポンプ
KR100948632B1 (ko) * 2010-01-06 2010-03-24 이상빈 실린더 펌프
KR101060399B1 (ko) * 2003-12-31 2011-08-29 구라시키 보세키 가부시키가이샤 시린지 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980021443A (ko) * 1996-09-17 1998-06-25 이종현 유체펌프
KR19980062141U (ko) * 1997-03-31 1998-11-16 소병택 수용액 정량공급펌프의 카트리지
JP2004024476A (ja) * 2002-06-25 2004-01-29 Nemoto Kyorindo:Kk 輸液ポンプ
KR101060399B1 (ko) * 2003-12-31 2011-08-29 구라시키 보세키 가부시키가이샤 시린지 장치
KR100948632B1 (ko) * 2010-01-06 2010-03-24 이상빈 실린더 펌프

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115279432A (zh) * 2020-03-10 2022-11-01 医疗革新技术有限公司 气缸泵
EP4119170A4 (fr) * 2020-03-10 2024-04-03 Meinntech Co. Ltd. Pompe à cylindre
CN115279432B (zh) * 2020-03-10 2024-06-28 医疗革新技术有限公司 气缸泵
EP4151195A4 (fr) * 2020-05-13 2024-05-29 Meinntech Co. Ltd. Kit de préparation d'injection et système de préparation d'injection le comprenant

Similar Documents

Publication Publication Date Title
WO2015020374A1 (fr) Pompe à micro cylindre et dispositif de micro pompage l'utilisant
US7225685B2 (en) Pipe assembly unit with built-in flow sensors
RU2638494C2 (ru) Газовый расходомер со встроенным газовым запорным клапаном
WO2017123027A1 (fr) Clapet antiretour ayant une fonction de verrouillage puissante
CN101606042B (zh) 泵单元式伺服型容积流量计
WO2020155282A1 (fr) Pompe de nutrition, dispositif de perfusion, soupape de régulation et procédé de commande de liquide
CN101606043B (zh) 伺服型容积流量计的有关被测量流体的流动和压力差检测的路径构造
KR100463343B1 (ko) 자동 밸브
WO2011083892A2 (fr) Pompe cylindrique
WO2012150759A1 (fr) Dispositif à buse de commande multi-vecteur à double inclinaison
CN210894329U (zh) 一种应用于水质污染检测的环境监测设备
JPH03186720A (ja) ガス消費量測定装置
CN209372291U (zh) 风管压差测量装置
CN213929886U (zh) 连接模组、连接组件及检测设备
CN210613019U (zh) 净水装置
CN215916600U (zh) 前置过滤器
CN208617502U (zh) 净水机及其滤芯
CN218238867U (zh) 仪表安装装置及隔离设备
CN111265734A (zh) 一种兼容多种药物的医用灌肠器
WO2023017883A1 (fr) Système de notification d'ouverture/fermeture d'une plaque de blocage de soupape
CN221106483U (zh) 鼻饲管连接装置
CN220039538U (zh) 一种易拆装式孔板流量计
CN214862583U (zh) 一种具有检测麻醉气体浓度功能的麻醉气体混合装置
CN220322158U (zh) 一种方便拆装的换热器密封机构
CN210050379U (zh) 一种可移动远程监控的电动阀门

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14835192

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14835192

Country of ref document: EP

Kind code of ref document: A1