CN112402741B - Intermittent clutch type injection medicine driving device with automatic sensing unit - Google Patents

Intermittent clutch type injection medicine driving device with automatic sensing unit Download PDF

Info

Publication number
CN112402741B
CN112402741B CN202011072997.3A CN202011072997A CN112402741B CN 112402741 B CN112402741 B CN 112402741B CN 202011072997 A CN202011072997 A CN 202011072997A CN 112402741 B CN112402741 B CN 112402741B
Authority
CN
China
Prior art keywords
injection
driving device
sensing unit
clutch type
electromagnetic valve
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.)
Active
Application number
CN202011072997.3A
Other languages
Chinese (zh)
Other versions
CN112402741A (en
Inventor
臧剑
童火平
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.)
Hangzhou Yuandi Technology Co ltd
Original Assignee
Hangzhou Yuandi Technology 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 Hangzhou Yuandi Technology Co ltd filed Critical Hangzhou Yuandi Technology Co ltd
Priority to CN202011072997.3A priority Critical patent/CN112402741B/en
Publication of CN112402741A publication Critical patent/CN112402741A/en
Application granted granted Critical
Publication of CN112402741B publication Critical patent/CN112402741B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576Constructional features or modes of drive mechanisms for piston rods

Abstract

The invention belongs to the technical field of medicine injection instruments, in particular to an intermittent clutch type injection medicine driving device with an automatic sensing unit, which comprises a driving mechanism, wherein the driving mechanism comprises a mounting pipe and an air pump fixed on the inner wall of the mounting pipe, the bottom end of the mounting pipe is fixedly connected with a threaded connection cover, the output end of the air pump is hermetically connected with a switching valve, and the output end of the switching valve is hermetically connected with an air pipe; the air pump is started, the change-over valve is regulated to the air transmission position, the flow control valve is regulated according to the injection requirement, then the hand touches the touch-sensitive switch, under the action of air pressure, the pushing block pushes medicines in the injection tube, the hand of a person is not contacted with the touch-sensitive switch, the first electromagnetic valve is closed, the second electromagnetic valve is simultaneously opened, the circulation of air flow can be cut off, the pushing block can stop moving instantly, the air pressure generated by inertia when the air pump stops is avoided to continue pushing medicines, and the pushing quantity of the medicines is controlled more accurately.

Description

Intermittent clutch type injection medicine driving device with automatic sensing unit
Technical Field
The invention belongs to the technical field of medicine injection instruments, and particularly relates to an intermittent clutch type injection medicine driving device with an automatic sensing unit.
Background
The syringe is a common medical appliance, and as early as 15 th century, the Italian people put forward the principle of the syringe in Kattner, the syringe is mainly used for extracting or injecting gas or liquid by using a needle, the syringe can also be used for medical equipment, and when the medicine with more accurate injection requirement is refracted, the syringe needs to be injected by using an electric syringe so as to ensure the injection precision.
Chinese patent publication No. CN101695593B discloses a coreless rod electric injector, which is convenient to operate, safe and reliable, makes the injection process more stable and gentle, and can easily change the injection tube, however, when it is injected at intervals, it needs to start and close the air pump many times, the output rate of the air pump is unstable in the initial stage of starting, which easily causes the difficult control of the liquid medicine pushing speed, the initial stage of stopping is influenced by inertia, there is still a small amount of gas flowing out, resulting in the unable accurate control of the pushing amount of the liquid medicine.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides an intermittent clutch type injection medicine driving device with an automatic sensing unit, which has the characteristic of high injection precision.
In order to achieve the above purpose, the present invention provides the following technical solutions: the intermittent clutch type injection medicine driving device with the automatic induction unit comprises a driving mechanism, wherein the driving mechanism comprises a mounting pipe and an air pump fixed on the inner wall of the mounting pipe, the bottom end of the mounting pipe is fixedly connected with a threaded connection cover, the output end of the air pump is hermetically connected with a switching valve, the output end of the switching valve is hermetically connected with an air pipe, a second electromagnetic valve is connected in parallel with the air pipe, a first electromagnetic valve and a flow control valve are connected in series with the air pipe, the second electromagnetic valve is positioned between the switching valve and the first electromagnetic valve, the flow control valve is positioned on one side of the first electromagnetic valve away from the second electromagnetic valve, one end of the air pipe away from the switching valve penetrates into the threaded connection cover, the outer side wall of the mounting pipe is fixedly connected with a touch induction switch, the end face of the mounting pipe is fixedly connected with a pressing switch, the inner wall of the mounting tube is fixedly connected with a power supply, the second electromagnetic valve and the first electromagnetic valve are electrically connected with the power supply through the touch-sensitive switch, the air pump is electrically connected with the power supply through the pressing switch, the bottom end of the threaded connection cover is detachably connected with an injection mechanism, the injection mechanism comprises an injection tube and a pushing block sliding on the inner wall of the injection tube in a sealing way, a screwed tube is fixedly sleeved on the outer wall of the top end of the injection tube, the screwed tube is in screwed connection with the threaded connection cover, one end of the pushing block away from the screwed tube is fixedly connected with a first magnetic attraction patch, the inner wall of the bottom end of the injection tube is slidably connected with an injection head, one end face corresponding to the first magnetic attraction patch is fixedly adhered with a second magnetic attraction patch, a limiting groove is formed in the middle position of the injection head, two through grooves are symmetrically formed in the bottom surface of the limiting groove, and a limiting mechanism used for limiting the injection head is rotationally connected to the outer wall of the bottom end of the injection tube.
Preferably, the limiting mechanism comprises a rotating ring and two clamping claws symmetrically fixed on the bottom surface of the rotating ring, the rotating ring is rotationally connected with the outer wall of the injection tube, the clamping claws are clamped in the limiting grooves, and the clamping claws correspond to the through grooves.
Preferably, the top surface of the screw pipe is fixedly adhered with a sealing gasket.
Preferably, the sealing gasket and the pushing block are made of rubber.
Preferably, the circumference of the outer side wall of the rotating ring is provided with anti-skid patterns.
Preferably, the thickness of the sealing gasket is two millimeters, and the thickness of the pushing block is two centimeters.
Preferably, a protective cover is arranged above the push switch, a rotating shaft is rotatably connected to the bottom surface of one side of the protective cover, and the bottom end of the rotating shaft is fixed to the top surface of the mounting tube.
Preferably, the diameter of the protective cover is larger than the diameter of the push switch.
Preferably, the protective cover is made of stainless steel.
Preferably, the outer wall of the injection tube is provided with scales, and the scales are arranged along the length direction of the injection tube.
Compared with the prior art, the invention has the beneficial effects that:
when the medicine needs to be injected, firstly, the pressing switch is opened, the air pump is started, the transfer valve is adjusted to the air transmission position, at the moment, the first electromagnetic valve is in the closed state, the second electromagnetic valve is in the open state, the air flow is discharged through the second electromagnetic valve, the air flow cannot be transmitted to the inside of the injection tube through the air transmission pipe, after the air pump operates stably, the flow control valve is adjusted according to the injection requirement, personnel pierce the injection part, then the hand touches the touch sensing switch, at the moment, the first electromagnetic valve is opened, the second electromagnetic valve is closed simultaneously, the air flow enters the inside of the injection tube through the air transmission pipe, the pushing block pushes the medicine in the injection tube under the action of air pressure, when the air flow needs to be stopped, the personnel hand does not contact with the touch sensing switch, the first electromagnetic valve is closed, the second electromagnetic valve is opened simultaneously, the circulation of the air flow can be cut off, the pushing block can stop the action instantaneously, the air pressure generated by inertia continuously pushing the medicine when the air pump is avoided, the pushing quantity control of the medicine is accurate, simultaneously, the air pump does not need to be closed, the air pump is always in the stable operation state, the air pump is required to be touched, the output of the air pump is constant when the medicine is injected, the air pump is separated, the air pump is required, the pushing speed is, the medicine is accurate, the medicine is required to be started, the pushing speed is accurate, the medicine is caused by the pushing and the air flow is accurate, and the air flow is started.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a driving mechanism according to the present invention;
FIG. 3 is a cross-sectional view at A in FIG. 1;
FIG. 4 is an enlarged schematic view of FIG. 1 at B;
FIG. 5 is a schematic view of the injector head according to the present invention;
FIG. 6 is a schematic view of the position of a nipple in accordance with the present invention.
In the figure: 1. a driving mechanism; 11. installing a pipe; 111. a touch-sensitive switch; 112. pressing the switch; 113. a power supply; 114. a protective cover; 115. a rotating shaft; 12. an air pump; 13. a switching valve; 14. a gas pipe; 15. a first electromagnetic valve; 16. a second electromagnetic valve; 17. a flow control valve; 18. a threaded connection cap; 2. an injection mechanism; 21. a syringe; 211. a screw connection pipe; 212. a sealing gasket; 213. a scale; 22. a pushing block; 221. a first magnetic attraction patch; 23. an injection head; 231. a limit groove; 232. a through groove; 24. a second magnetic attraction patch; 3. a limiting mechanism; 31. a rotating ring; 32. and (3) clamping jaws.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the intermittent clutch type injection medicine driving device with an automatic induction unit comprises a driving mechanism 1, wherein the driving mechanism 1 comprises a mounting tube 11 and an air pump 12 fixed on the inner wall of the mounting tube, the bottom end of the mounting tube 11 is fixedly connected with a threaded connection cover 18, the output end of the air pump 12 is hermetically connected with a switching valve 13, the output end of the switching valve 13 is hermetically connected with an air pipe 14, a second electromagnetic valve 16 is connected in parallel on the air pipe 14, a first electromagnetic valve 15 and a flow control valve 17 are connected in series on the air pipe 14, the second electromagnetic valve 16 is positioned between the switching valve 13 and the first electromagnetic valve 15, the flow control valve 17 is positioned on one side of the first electromagnetic valve 15 away from the second electromagnetic valve 16, one end of the air pipe 14 away from the switching valve 13 penetrates into the threaded connection cover 18, the outer side wall of the mounting tube 11 is fixedly connected with a touch induction switch 111, the end surface of the mounting tube 11 is fixedly connected with a push switch 112, the inner wall of the mounting tube 11 is fixedly connected with a power supply 113, the second electromagnetic valve 16 and the first electromagnetic valve 15 are electrically connected with the power supply 113 through a touch-sensitive switch 111, the air pump 12 is electrically connected with the power supply 113 through a press switch 112, the bottom end of the threaded connection cover 18 is detachably connected with an injection mechanism 2, the injection mechanism 2 comprises an injection tube 21 and a pushing block 22 which is sealed and slides on the inner wall of the injection tube 21, a screwed tube 211 is fixedly sleeved on the outer wall of the top end of the injection tube 21, the screwed tube 211 is in screwed connection with the threaded connection cover 18, one end of the pushing block 22 far away from the screwed tube 211 is fixedly connected with a first magnetic attraction and paste 221, the inner wall of the bottom end of the injection tube 21 is slidably connected with an injection head 23, one end face corresponding to the first magnetic attraction and paste 221 is fixedly adhered with a second magnetic attraction and paste 24, a limit groove 231 is formed in the middle position of the injection head 23, two through grooves 232 are symmetrically formed in the bottom surface of the limit groove 231, the outer wall of the bottom end of the injection tube 21 is rotationally connected with a limiting mechanism 3 for limiting the injection head 23.
In this embodiment: the working principles of the air pump 12, the regulating switch valve 13 and the flow control valve 17 are consistent with the Chinese patent principle with the empty opening number of CN101695593B, when medicine needs to be injected, the push switch 112 is firstly opened, the air pump 12 is started, the regulating switch valve 13 is adjusted to the air transmission position, at the moment, the first electromagnetic valve 15 (model PYF 1-3A) is in a closed state, the second electromagnetic valve 16 is in an open state, air flow is discharged through the second electromagnetic valve 16 (model PYF 1-3A), the air flow cannot be transmitted into the injection tube 21 through the air transmission tube 14, after the air pump 12 runs stably, the flow control valve 17 is regulated according to the injection requirement, a person pierces the injection head 23 into the injection position, then the hand touches the touch sensing switch 111 (model JYS-N-008), at the moment, the first electromagnetic valve 15 is opened, the second electromagnetic valve 16 is closed simultaneously, and the air flow enters the injection tube 21 through the air transmission tube 14, under the action of air pressure, the pushing block 22 pushes the medicine in the injection tube 21, when the air pump is required to be stopped, the hands of a person are not contacted with the touch sensing switch 111, the first electromagnetic valve 15 is closed, the second electromagnetic valve 16 is simultaneously opened, the circulation of air flow can be cut off, the pushing block 22 can stop action instantaneously, the air pressure generated by inertia when the air pump 12 is stopped is avoided to continuously push the medicine, the control of the pushing quantity of the medicine is more accurate, meanwhile, the air pump 12 is not required to be closed, the air pump 12 is always in a stable running state, when the medicine is injected at intervals, the output of the air pump 12 is more constant, the pushing speed of the medicine is more constant, the inaccuracy of the pushing quantity of the medicine caused by the change of the output rate of the air pump 12 in the starting process is avoided, when the medicine is required to be extracted, the switching valve 13 is adjusted to the air extraction position, the first electromagnetic valve 15 is opened, the second electromagnetic valve 16 is closed, the pushing block 22 moves to extract the medicine under the action of negative pressure, after injection is completed, the first magnetic attraction adhesive 221 on the pushing block 22 is magnetically attracted with the second magnetic attraction adhesive 24 on the injection head 23, then the limiting mechanism 3 is rotated to be separated from the injection head 23, the medicine extraction action is executed, the pushing block 22 drives the injection head 23 to slide towards the inside of the injection tube 21 until the injection head 23 completely slides into the injection tube 21, cross infection caused by mistaken needle touching of personnel is prevented, and then the injection tube 21 is rotated, so that the screwed pipe 211 is separated from contact with the threaded connection cover 18 for replacement.
Specifically, the limiting mechanism 3 includes a rotating ring 31 and two claws 32 symmetrically fixed on the bottom surface of the rotating ring 31, the rotating ring 31 is rotatably connected to the outer wall of the injection tube 21, the claws 32 are clamped in the limiting grooves 231, and the claws 32 correspond to the through grooves 232; the rotary ring 31 is rotated, the claw 32 slides in the limit groove 231 until the claw 32 slides to correspond to the through groove 232, at this time, the claw 32 is disengaged from the injection head 23, and the injection head 23 can slide inwards along the inner wall of the injection tube 21.
Specifically, the top surface of the screw pipe 211 is fixedly adhered with a sealing gasket 212; the gasket 212 may further enhance the sealing action when the nipple 211 is threadably secured to the threaded cap 18.
Specifically, the sealing pad 212 and the pushing block 22 are made of rubber; the rubber gasket 212 and the pushing block 22 have a good sealing effect.
Specifically, the outer side wall of the rotating ring 31 is provided with anti-skid patterns on a circumference; friction force of the outer side wall of the rotating ring 31 is increased, and slipping phenomenon can not occur when personnel rotate.
Specifically, the thickness of the sealing pad 212 is two millimeters, so that an effective sealing effect is ensured, leakage is prevented, and the thickness of the pushing block 22 is two centimeters, so that an effective sealing effect is ensured, and leakage is prevented.
Specifically, a protective cover 114 is arranged above the push switch 112, a rotating shaft 115 is rotatably connected to the bottom surface of one side of the protective cover 114, and the bottom end of the rotating shaft 115 is fixed to the top surface of the mounting tube 11; the protecting cover 114 can protect the push switch 112 to prevent personnel from touching the push switch 112 by mistake, and when the push switch 112 is used, the protecting cover 114 rotates along the rotating shaft 115 to expose the push switch 112, and after the push switch 112 is used, the protecting cover 114 rotates to cover the push switch 112 to protect the push switch.
Specifically, the diameter of the boot 114 is greater than the diameter of the push switch 112; can be effectively covered and protected.
Specifically, the material of the protective cover 114 is stainless steel; rust is not easy to occur, and the service life is longer.
Specifically, the outer wall of the injection tube 21 is provided with scales 213, and the scales 213 are arranged along the length direction of the injection tube 21; the push quantity and the extraction quantity of the medicine are convenient for personnel to observe.
The working principle and the using flow of the invention are as follows: when the medicine needs to be injected, the pressing switch 112 is firstly turned on, the air pump 12 is started, the switching valve 13 is regulated to the air transmission position, at the moment, the first electromagnetic valve 15 is in the closed state, the second electromagnetic valve 16 is in the open state, the air flow is discharged through the second electromagnetic valve 16, the air flow cannot be transmitted into the injection tube 21 through the air transmission tube 14, after the air pump 12 runs stably, the flow control valve 17 is regulated according to the injection requirement, the injection head 23 is penetrated into the injection position by a person, then the touch sensing switch 111 is touched by the hand, at the moment, the first electromagnetic valve 15 is turned on, the second electromagnetic valve 16 is simultaneously turned off, the air flow enters the injection tube 21 through the air transmission tube 14, the medicine in the injection tube 21 is pushed by the pushing block 22 under the action of air pressure, when the medicine needs to be stopped, the hand of the person is not contacted with the touch sensing switch 111, the first electromagnetic valve 15 is turned off, the second electromagnetic valve 16 is opened simultaneously, the circulation of air flow can be cut off, the pushing block 22 can stop moving instantaneously, the air pressure generated by inertia when the air pump 12 stops is avoided to continuously push the medicine, the pushing amount of the medicine is controlled accurately, meanwhile, the air pump 12 does not need to be closed, the air pump 12 is always in a stable running state, the output of the air pump 12 is constant when medicine is injected at intervals, the pushing speed of the medicine is constant, the inaccuracy of the pushing amount of the medicine caused by the change of the output rate in the starting process of the air pump 12 is avoided, when the medicine is required to be extracted, the adjusting and converting valve 13 is moved to the air extraction position, the first electromagnetic valve 15 is opened, the second electromagnetic valve 16 is closed, the pushing block 22 moves to extract the medicine under the action of negative pressure, after the injection is completed, the first magnetic patch 221 on the pushing block 22 is connected with the second magnetic patch 24 on the injection head 23, then the limiting mechanism 3 is rotated to be separated from the injection head 23, the medicine extraction action is executed, the pushing block 22 drives the injection head 23 to slide towards the inside of the injection tube 21 until the injection head 23 completely slides into the injection tube 21, cross infection caused by mistaken touching of a needle head by personnel is prevented, and then the injection tube 21 is rotated, so that the screwed pipe 211 is separated from contact with the threaded connection cover 18, and replacement is carried out.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Intermittent clutch type injection medicine drive arrangement with auto-induction unit, its characterized in that: comprises a driving mechanism (1), the driving mechanism (1) comprises a mounting pipe (11) and an air pump (12) fixed on the inner wall of the mounting pipe (11), a threaded connection cover (18) is fixedly connected to the bottom end of the mounting pipe (11), a switching valve (13) is connected to the output end of the air pump (12) in a sealing manner, an air pipe (14) is connected to the output end of the switching valve (13) in a sealing manner, a second electromagnetic valve (16) is connected to the air pipe (14) in parallel, a first electromagnetic valve (15) and a flow control valve (17) are connected to the air pipe (14) in series, the second electromagnetic valve (16) is positioned between the switching valve (13) and the first electromagnetic valve (15), the flow control valve (17) is positioned on one side, far away from the first electromagnetic valve (15), of the switching valve (13) penetrates into the threaded connection cover (18), a touch sensing switch (111) is fixedly connected to the outer side wall of the mounting pipe (11), the end surface of the mounting pipe (11) is fixedly connected with a power supply (113), the utility model provides a limit stop mechanism, including injection tube (21), first solenoid valve (15) are all passed through touch-sensitive switch (111) with power (113) electric connection, air pump (12) are passed through push switch (112) with power (113) electric connection, injection mechanism (2) are connected with to the bottom of threaded connection cover (18) can be dismantled, injection mechanism (2) are including injection tube (21) and sealed push block (22) of sliding at its inner wall, the top outer wall fixed cover of injection tube (21) is equipped with spiral tube (211), spiral tube (211) with threaded connection cover (18) spiro union, push block (22) are kept away from the one end fixedly connected with first magnet of spiral tube (211) inhale subsides (221), the bottom inner wall sliding connection of injection tube (21) has injection head (23), injection head (23) with first magnet is inhaled and is fixed with second magnet and is pasted (24) at the push block (22) of its inner wall, the intermediate position department of injection head (23) has seted up two spacing groove (231) and has set up spacing groove (23) to rotate spacing groove (3).
2. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 1, wherein: the limiting mechanism (3) comprises a rotating ring (31) and two clamping claws (32) symmetrically fixed on the bottom surface of the rotating ring, the rotating ring (31) is rotationally connected to the outer wall of the injection tube (21), the clamping claws (32) are clamped in the limiting grooves (231), and the clamping claws (32) correspond to the through grooves (232).
3. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 1, wherein: a sealing gasket (212) is fixedly adhered to the top surface of the screw connection pipe (211).
4. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 3, wherein: the sealing gasket (212) and the pushing block (22) are made of rubber.
5. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 2, wherein: the circumference of the outer side wall of the rotating ring (31) is provided with anti-skid patterns.
6. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 3, wherein: the thickness of the sealing gasket (212) is two millimeters, and the thickness of the pushing block (22) is two centimeters.
7. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 1, wherein: the top of push switch (112) is equipped with protection casing (114), the one side bottom surface of protection casing (114) rotates and is connected with pivot (115), the bottom of pivot (115) is fixed the top surface of installation pipe (11).
8. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 7, wherein: the diameter of the protective cover (114) is larger than that of the push switch (112).
9. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 7, wherein: the protective cover (114) is made of stainless steel.
10. The intermittent clutch type injection medicine driving device with an automatic sensing unit according to claim 1, wherein: the outer wall of the injection tube (21) is provided with scales (213), and the scales (213) are arranged along the length direction of the injection tube (21).
CN202011072997.3A 2020-10-09 2020-10-09 Intermittent clutch type injection medicine driving device with automatic sensing unit Active CN112402741B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011072997.3A CN112402741B (en) 2020-10-09 2020-10-09 Intermittent clutch type injection medicine driving device with automatic sensing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011072997.3A CN112402741B (en) 2020-10-09 2020-10-09 Intermittent clutch type injection medicine driving device with automatic sensing unit

Publications (2)

Publication Number Publication Date
CN112402741A CN112402741A (en) 2021-02-26
CN112402741B true CN112402741B (en) 2023-05-05

Family

ID=74854349

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011072997.3A Active CN112402741B (en) 2020-10-09 2020-10-09 Intermittent clutch type injection medicine driving device with automatic sensing unit

Country Status (1)

Country Link
CN (1) CN112402741B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001012252A1 (en) * 1999-08-13 2001-02-22 Imprint Pharmaceuticals Limited Injection means
JP2001058132A (en) * 1995-11-21 2001-03-06 Takeda Chem Ind Ltd Injector
CN1585655A (en) * 2001-11-09 2005-02-23 阿尔扎公司 Pneumatic powered autoinjector
KR20140024760A (en) * 2012-08-21 2014-03-03 김태순 Syringe for automatically injecting an injection
CN203556002U (en) * 2013-11-28 2014-04-23 王晓田 Electric syringe for angiocardiographic agents
CN105664289A (en) * 2015-12-31 2016-06-15 深圳麦科田生物医疗技术有限公司 Injection pump
CN108159535A (en) * 2017-12-29 2018-06-15 成都三木行新能源科技有限公司 A kind of syringe for anesthesia
CN109289102A (en) * 2018-10-17 2019-02-01 上海交通大学医学院附属第九人民医院 A kind of accurate syringe of pen-holding type piston
CN210044611U (en) * 2018-08-31 2020-02-11 陈华 Injection gun head and device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001058132A (en) * 1995-11-21 2001-03-06 Takeda Chem Ind Ltd Injector
WO2001012252A1 (en) * 1999-08-13 2001-02-22 Imprint Pharmaceuticals Limited Injection means
CN1585655A (en) * 2001-11-09 2005-02-23 阿尔扎公司 Pneumatic powered autoinjector
KR20140024760A (en) * 2012-08-21 2014-03-03 김태순 Syringe for automatically injecting an injection
CN203556002U (en) * 2013-11-28 2014-04-23 王晓田 Electric syringe for angiocardiographic agents
CN105664289A (en) * 2015-12-31 2016-06-15 深圳麦科田生物医疗技术有限公司 Injection pump
CN108159535A (en) * 2017-12-29 2018-06-15 成都三木行新能源科技有限公司 A kind of syringe for anesthesia
CN210044611U (en) * 2018-08-31 2020-02-11 陈华 Injection gun head and device
CN109289102A (en) * 2018-10-17 2019-02-01 上海交通大学医学院附属第九人民医院 A kind of accurate syringe of pen-holding type piston

Also Published As

Publication number Publication date
CN112402741A (en) 2021-02-26

Similar Documents

Publication Publication Date Title
CN112402741B (en) Intermittent clutch type injection medicine driving device with automatic sensing unit
CN206730222U (en) Novel insulin pen
CN209864894U (en) Adjustable dose needleless continuous injector
CN209646524U (en) A kind of novel medical test liquid-transfering device
CN209808413U (en) Puncture collection needle tube structure capable of rapidly storing pathological specimens
CN209033291U (en) A kind of automatically controlled aspirator of gynemetrics
CN104815369B (en) ICU sections micro-injection pump installation
CN206443972U (en) A kind of special angiocardiography of Cardiological, which is pushed away, helps device device
CN201256973Y (en) Finger control type body-liquid automatic sucker
CN110237350B (en) Medical automatic needle-pulling and bottle-changing injector and use method thereof
CN208785468U (en) The accurate device and its intravenous delivery system for adjusting flow velocity
CN203139266U (en) Portable type infusion speed regulator
CN205225634U (en) Peristaltic pump pump box
CN220069699U (en) Blood collection device
CN201248900Y (en) Control system for high-pressure syringe vascular leakage
CN208319650U (en) The automatic detection cutoff device of infusion
CN206081069U (en) Portable medicine dispensing machine of hand -held type
CN219332788U (en) Novel side pushing syringe
CN215228797U (en) Novel duckling bacterin autoinjector
CN218900462U (en) Three-way injector structure convenient to use
CN209220345U (en) A kind of automatic puncture of anterior chamber pumping device of negative pressure
CN203970399U (en) A kind of square blood taking needle
CN220801632U (en) Infusion apparatus capable of accurately controlling and displaying flow velocity
CN208739766U (en) A kind of anti-clogging bacteria stick water injection needle
CN216569958U (en) Three-way structure blood taking needle convenient for blood specimen collection

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant