CN204170206U - Closed high precision micro syringe pump - Google Patents
Closed high precision micro syringe pump Download PDFInfo
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- CN204170206U CN204170206U CN201420228132.5U CN201420228132U CN204170206U CN 204170206 U CN204170206 U CN 204170206U CN 201420228132 U CN201420228132 U CN 201420228132U CN 204170206 U CN204170206 U CN 204170206U
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Abstract
Closed high precision micro syringe pump, relates to medical instruments field, is specifically related to micro-injection pump.Overcome existing micro-injection pump contaminated technical deficiency of injector push-rod in long-time use procedure, described syringe pump includes cylinder and the air machinery for driving cylinder piston to carry out straight reciprocating motion; Described cylinder front end is provided with sealing protection sleeve, is provided with a clamping joint be connected with the piston rod front end of cylinder for clamping syringe piston handle in the cavity of sealing protection sleeve; The accent position of sealing protection sleeve is provided with for sealing the syringe clamping mechanism of clamping with injector syringe; Described cylinder tail end is provided with the pressure transducer for detecting pressure in cylinder and the displacement transducer for detecting cylinder piston amount of movement.Can effectively prevent injector push-rod in long injection process contaminated; Trickle adjustment can be carried out to transfusion speed at any time, ensure stability and the high precision of transfusion speed.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to micro-injection pump.
Background technology
Micro-injection pump is a kind of instrument carrying out even micro-injection for a long time often used in clinical treatment and life science, and it is mainly used in tremulous pulse, venous transfusion, blood transfusion, shock treatment and narcotic injection etc.Micro-injection pump has following advantage compared with manual injection: 1) can constant speed inject for a long time, strictly to maintain medicine concentration required in blood; 2) curative effect of medication and therapeutic quality is improved; 3) inject data exportable, print to make electronic health record, adapt to Hospital Management Network, information system management requirement.But micro-injection pump is when infusing for a long time, outside injector push-rod is chronically exposed to, can pollute, for this problem, CN201244253Y " a kind of light-shielding dust-proof hood of syringe pump " and CN1817375A " closed special syringe and micro-injection pump " has also made improvement to secondary, but method of correcting mainly adds a scalable plastic sheath outside syringe.Reaching dustproof effect, be plastic sheath inflation, to operate also loaded down with trivial details certainly, and plastic sheath likely can affect a latency of injector push-rod stability.
Utility model content
The purpose of this utility model is to overcome existing micro-injection pump contaminated technical deficiency of injector push-rod in long-time use procedure, providing a kind of closed high-precision micro-injection pump.
For solving the technical deficiency that this utility model proposes, the technical scheme of employing is: closed high precision micro syringe pump, is characterized in that, described syringe pump includes cylinder and the air machinery for driving cylinder piston to carry out straight reciprocating motion; Described cylinder front end is provided with sealing protection sleeve, is provided with a clamping joint be connected with the piston rod front end of cylinder for clamping syringe piston handle in the cavity of sealing protection sleeve; The accent position of sealing protection sleeve is provided with for sealing the syringe clamping mechanism of clamping with injector syringe; Described cylinder tail end is provided with the pressure transducer for detecting pressure in cylinder and the displacement transducer for detecting cylinder piston amount of movement.
Described air machinery includes source of the gas, air pump, solenoid directional control valve and data processing module; Described source of the gas respectively with air pump and solenoid directional control valve, air pump is also connected with solenoid directional control valve, and data processing module connects air pump, solenoid directional control valve, pressure transducer and displacement transducer respectively; Described cylinder be provided with when drive cylinder piston advance time air inlet retreat time aerofluxus the first QI KOU, and when drive cylinder piston advance time aerofluxus retrogressing time air inlet the second QI KOU; The first described QI KOU is connected with solenoid directional control valve respectively with the second QI KOU.
The joint face that described clamping joint docks with syringe piston handle is provided with a piston handle groove coincide with syringe piston handle, and piston handle slot opening is oval, and the cell wall of piston handle groove is provided with the piston handle draw-in groove of syringe piston handle cooperation clamping.
Described syringe clamping mechanism is coordinate the clamping block of clamping with injector syringe handle a pair.
The accent of described sealing protection sleeve is provided with sealing ring.
Described data processing module is connected with alarm module.
Described sealing protection sleeve offers air inlet/outlet, air inlet/outlet is provided with airstrainer.
The first described QI KOU and the second QI KOU are respectively equipped with source of the gas drainage screen.
Described sealing protection sleeve and the cylinder body of cylinder are integral type structure.
The beneficial effects of the utility model are: this utility model not be used in outside syringe and adds plastic sheath, operate also simple, syringe can clamping quick with this utility model, sealing protection jacket casing is connected on injector push-rod outside, can effectively prevent injector push-rod in long injection process contaminated, a syringe can realize repeatedly using, and avoids the wasting of resources; Pressure transducer of the present utility model and for can be unstable for current micro-injection pump transfusion speed under the effect of the displacement transducer that detects cylinder piston amount of movement in addition, the problem that degree of accuracy is low has made improvement, this utility model can carry out trickle adjustment to transfusion speed at any time, ensures stability and the high precision of transfusion speed.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model;
Fig. 2 is the perspective view of this utility model cylinder.
Detailed description of the invention
The preferred specific embodiment of type is had to be further described structure of the present utility model below in conjunction with accompanying drawing and this reality.
Shown in seeing figures.1.and.2, this utility model includes cylinder 1, air machinery and sealing protection sleeve 3.Cylinder 1 is made up of sealed cylinder block 11, cylinder piston 12 and piston rod 13, cylinder piston 12 is placed in sealed cylinder block 11, under the driving effect of air machinery, carry out straight reciprocating motion, thus promote piston rod 13 expanding-contracting action, finally realize automatic imbibition and the injection work of syringe 4.Sealing protection sleeve 3 is located on cylinder 1 front end, install fixing for the ease of sealing protection sleeve 3 and cylinder 1, sealing protection sleeve 3 can be integral type structure with the cylinder body 11 of cylinder 1, and it is not contaminated in long injection process with protection injector push-rod 42 that sealing protection sleeve 3 is mainly used in connecting the syringe 41 supporting syringe 4; Be connected fast with piston rod 13 for the ease of injector push-rod 42, in the cavity of sealing protection sleeve 3, be provided with a clamping joint 131 be connected with piston rod 13 front end of cylinder 1, clamping joint 131 is for the piston handle 421 at clamping injector push-rod 42 top; Specifically can adopt on the joint face that docks with syringe piston handle 421 at clamping joint 131 and be provided with a piston handle groove 1311 coincide with syringe piston handle 421, piston handle groove 1311 opening is oval, syringe piston handle 421 is also supporting ellipsoidal structure, and the cell wall of piston handle groove 1311 is provided with the piston handle draw-in groove 1312 that syringe piston handle 421 coordinates clamping; During use, after syringe piston handle 421 and piston handle groove 1311 are fitted and connected, injector push-rod 42 90-degree rotation, syringe piston handle 421 will enter in piston handle draw-in groove 1312.Conveniently injector syringe 41 is connected fast with sealing protection sleeve 3, and the accent position of sealing protection sleeve 3 is provided with for sealing the syringe clamping mechanism 31 of clamping with injector syringe 41; Syringe clamping mechanism 31 concrete structure can be coordinate the clamping block of clamping with injector syringe handle 411 a pair, and after injector syringe 41 opening docks with the accent of sealing protection sleeve 3,90-degree rotation injector syringe handle 411 can coordinate clamping with syringe clamping mechanism 31; The stability be connected with sealing protection sleeve 3 in order to injector syringe 41 and good sealing property, the accent of described sealing protection sleeve 3 is provided with sealing ring 32; Described sealing protection sleeve 3 can offer air inlet/outlet, air inlet/outlet is provided with airstrainer.This utility model can complete and be connected with injector push-rod 42 and injector syringe 41 by Fast synchronization, easy accessibility.
In order to realize carrying out trickle adjustment to transfusion speed at any time, ensure stability and the high precision of transfusion speed, cylinder 1 tail end is provided with the pressure transducer 14 for detecting pressure in cylinder and the displacement transducer 15 for detecting cylinder piston 12 amount of movement.Air machinery of the present utility model includes source of the gas 21, air pump 22, solenoid directional control valve 23 and data processing module 24; Described source of the gas 21 respectively with air pump 22 and solenoid directional control valve 23, air pump 22 is also connected with solenoid directional control valve 23, and data processing module 24 connects air pump 22, solenoid directional control valve 23, pressure transducer 14 and displacement transducer 15 respectively; Described cylinder 1 be provided with when drive cylinder piston 12 advance time air inlet retreat time aerofluxus the first QI KOU 16, and when drive cylinder piston 12 advance time aerofluxus retrogressing time air inlet the second QI KOU 17; The first described QI KOU 16 is connected with solenoid directional control valve 23 respectively with the second QI KOU 17; First QI KOU 16 and the second QI KOU 17 are respectively equipped with source of the gas drainage screen.During in order to realize pressure appearance exception in cylinder 1, or when calculating injector injection close to liquid absorption according to displacement transducer 15, can carry out warning reminding in time, described data processing module 24 is also connected with alarm module.
Claims (9)
1. closed high precision micro syringe pump, is characterized in that, described syringe pump includes cylinder and the air machinery for driving cylinder piston to carry out straight reciprocating motion; Described cylinder front end is provided with sealing protection sleeve, is provided with a clamping joint be connected with the piston rod front end of cylinder for clamping syringe piston handle in the cavity of sealing protection sleeve; The accent position of sealing protection sleeve is provided with for sealing the syringe clamping mechanism of clamping with injector syringe; Described cylinder tail end is provided with the pressure transducer for detecting pressure in cylinder and the displacement transducer for detecting cylinder piston amount of movement.
2. closed high precision micro syringe pump according to claim 1, it is characterized in that, described air machinery includes source of the gas, air pump, solenoid directional control valve and data processing module; Described source of the gas respectively with air pump and solenoid directional control valve, air pump is also connected with solenoid directional control valve, and data processing module connects air pump, solenoid directional control valve, pressure transducer and displacement transducer respectively; Described cylinder be provided with when drive cylinder piston advance time air inlet retreat time aerofluxus the first QI KOU, and when drive cylinder piston advance time aerofluxus retrogressing time air inlet the second QI KOU; The first described QI KOU is connected with solenoid directional control valve respectively with the second QI KOU.
3. closed high precision micro syringe pump according to claim 1, it is characterized in that, the joint face that described clamping joint docks with syringe piston handle is provided with a piston handle groove coincide with syringe piston handle, piston handle slot opening is oval, and the cell wall of piston handle groove is provided with the piston handle draw-in groove of syringe piston handle cooperation clamping.
4. closed high precision micro syringe pump according to claim 1, is characterized in that, described syringe clamping mechanism is coordinate the clamping block of clamping with injector syringe handle a pair.
5. closed high precision micro syringe pump according to claim 4, is characterized in that, the accent of described sealing protection sleeve is provided with sealing ring.
6. closed high precision micro syringe pump according to claim 2, it is characterized in that, described data processing module is connected with alarm module.
7. closed high precision micro syringe pump according to claim 1, is characterized in that, described sealing protection sleeve offers air inlet/outlet, air inlet/outlet is provided with airstrainer.
8. closed high precision micro syringe pump according to claim 2, is characterized in that, the first described QI KOU and the second QI KOU are respectively equipped with source of the gas drainage screen.
9. closed high precision micro syringe pump according to claim 1, is characterized in that, described sealing protection sleeve and the cylinder body of cylinder are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228132.5U CN204170206U (en) | 2014-05-06 | 2014-05-06 | Closed high precision micro syringe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228132.5U CN204170206U (en) | 2014-05-06 | 2014-05-06 | Closed high precision micro syringe pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204170206U true CN204170206U (en) | 2015-02-25 |
Family
ID=52559051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420228132.5U Active CN204170206U (en) | 2014-05-06 | 2014-05-06 | Closed high precision micro syringe pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204170206U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496471A (en) * | 2016-01-26 | 2016-04-20 | 陆海鹤 | Pneumatic cell collector |
| CN107617138A (en) * | 2017-09-22 | 2018-01-23 | 罗艳 | A kind of department of anesthesia's anestetic needle |
| CN107929870A (en) * | 2017-12-15 | 2018-04-20 | 广东省人民医院(广东省医学科学院) | Single two-tube contrast apparatus of cylinder |
| CN109453829A (en) * | 2018-10-18 | 2019-03-12 | 王浙洲 | High-precision liquid takes pipe |
| CN110201265A (en) * | 2019-07-10 | 2019-09-06 | 安徽医科大学 | Infusion device |
| CN110215568A (en) * | 2019-07-11 | 2019-09-10 | 漳州市翰沅医疗器械有限公司 | A kind of automatically controlled slow row's device of remaining needle and its application method |
| CN115414552A (en) * | 2022-09-05 | 2022-12-02 | 尹剑雄 | Syringe |
| CN116550399A (en) * | 2023-05-24 | 2023-08-08 | 锘海生物科学仪器(上海)有限公司 | Injection pump for micro-flow control and control method thereof |
-
2014
- 2014-05-06 CN CN201420228132.5U patent/CN204170206U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496471A (en) * | 2016-01-26 | 2016-04-20 | 陆海鹤 | Pneumatic cell collector |
| CN107617138A (en) * | 2017-09-22 | 2018-01-23 | 罗艳 | A kind of department of anesthesia's anestetic needle |
| CN107617138B (en) * | 2017-09-22 | 2020-09-01 | 罗艳 | Anesthesia needle for anesthesia department |
| CN107929870A (en) * | 2017-12-15 | 2018-04-20 | 广东省人民医院(广东省医学科学院) | Single two-tube contrast apparatus of cylinder |
| CN107929870B (en) * | 2017-12-15 | 2023-09-19 | 广东省人民医院(广东省医学科学院) | Single-cylinder double-tube radiography device |
| CN109453829A (en) * | 2018-10-18 | 2019-03-12 | 王浙洲 | High-precision liquid takes pipe |
| CN110201265A (en) * | 2019-07-10 | 2019-09-06 | 安徽医科大学 | Infusion device |
| CN110201265B (en) * | 2019-07-10 | 2021-06-11 | 安徽医科大学 | Infusion device |
| CN110215568A (en) * | 2019-07-11 | 2019-09-10 | 漳州市翰沅医疗器械有限公司 | A kind of automatically controlled slow row's device of remaining needle and its application method |
| CN115414552A (en) * | 2022-09-05 | 2022-12-02 | 尹剑雄 | Syringe |
| CN116550399A (en) * | 2023-05-24 | 2023-08-08 | 锘海生物科学仪器(上海)有限公司 | Injection pump for micro-flow control and control method thereof |
| CN116550399B (en) * | 2023-05-24 | 2024-03-22 | 锘海生物科学仪器(上海)有限公司 | Injection pump for micro-flow control and control method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |