CN205411827U - Piston infusion micropump - Google Patents
Piston infusion micropump Download PDFInfo
- Publication number
- CN205411827U CN205411827U CN201521030999.0U CN201521030999U CN205411827U CN 205411827 U CN205411827 U CN 205411827U CN 201521030999 U CN201521030999 U CN 201521030999U CN 205411827 U CN205411827 U CN 205411827U
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- China
- Prior art keywords
- medicinal liquid
- push rod
- micropump
- piston
- transfusion
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Abstract
The utility model provides a piston infusion micropump for to dissolve the transport of tieing liquid medicine or normal saline pulse to set up in the blood vessel for the liquid pipe, its characterized in that includes: the liquid cavity unit is including the liquid cavity who is hollow tube -shape for hold the liquid medicine, last inlet, the liquid outlet of being provided with of liquid cavity is provided with the check valve that restricts one -way entering on the inlet, installs the one -way check valve of going out of restriction on the liquid outlet, the push unit, including push rod and power portion, push rod's head end is provided with the piston, and the piston embolias the reciprocating motion that makes a round trip among the liquid cavity and sucks to dissolve with the extrusion and tie liquid medicine or normal saline, the last reset spring that applies mechanically of push rod, power portion is with push rod's tail end contact, and including motor and connected cam, the rotary motion of motor drive cam pushes the push rod reciprocating motion that makes a round trip. It is big that it has a liquid medicine jet power, and the characteristics of lotion and flowing back in succession great have made things convenient for dosing of medical personnel.
Description
Technical field
This utility model belongs to field of medical appliances, especially relates to a kind of infusion pump pumping thrombolytic medicinal liquid or normal saline.
Background technology
In angiopathy treatment clinic, the method of commonly used minimally-invasive treatment, by thrombolytic medicinal liquid by the thrombi in syringe and special catheter propelling to blood vessel, will thrombolytic drug pressure injection in thrombi, the medicinal liquid impact utilizing high speed and high pressure (for the embolic mass in blood) makes the thrombi fragmentation of blocking vascular access, but less thrombi melts under thrombolytic medicinal liquid effect thus reaches to eliminate the purpose of thrombi in blood vessel.
But, medical personnel's syringe is relied on to inject by hand, it is inconvenient for, the most often pushes away and be once required for unloading syringe, both increased health infection risk, increase the most again medical personnel's burden, the more important thing is, need to inject at regular time and quantity in clinic, this requires for people, just being not easily accomplished, medical personnel can not at one's side patient always after all.
Utility model content
This utility model proposes for solving the problems referred to above, it is provided that a kind of piston type transfusion Micropump, can substitute for present medical personnel and completes injecting of thrombolytic medicinal liquid, can control the amount every time injected, the speed injected and the time injected simultaneously.
A kind of piston type transfusion Micropump, for by thrombolytic medicinal liquid or normal saline pulse be transported to be arranged in blood vessel to fluid catheter, it is characterized in that, including: medicinal liquid cavity unit, including the medicinal liquid cavity of the tubular in hollow, on receiving medical liquids, medicinal liquid cavity, it is provided with inlet, liquid outlet, it is provided with the check valve limiting unidirectional entrance on inlet, liquid outlet is provided with the unidirectional check valve gone out of restriction；Push unit, including push rod and power part, the head end of push rod is provided with piston, piston bush enters to move back and forth in medicinal liquid cavity and sucks and extrude thrombolytic medicinal liquid or normal saline, back-moving spring is applied mechanically in push rod, power part contacts with the tail end of push rod, and including motor and connected cam, the rotational movement cam push rod of motor moves back and forth.
The piston type transfusion Micropump that this utility model provides, it is also possible to having a feature in that wherein, inlet number is two, respectively thrombolytic medicinal liquid inlet and normal saline inlet.
The piston type transfusion Micropump that this utility model provides, it is also possible to have the feature that and also include: controller, connect with motor, be used for controlling operation halted state and the rotary speed of motor.
The piston type transfusion Micropump that this utility model provides, it is also possible to have a feature in that wherein, liquid outlet is provided with filter, for filtering the solid particulate matter that may contain.
The piston type transfusion Micropump that this utility model provides, it is also possible to having a feature in that wherein, normal saline inlet and thrombolytic medicinal liquid inlet are also associated with electromagnetic valve, electromagnetic valve is used for thrombolytic medicinal liquid and the switching of normal saline, and its opening and closing is by controller control.
The piston type transfusion Micropump that this utility model provides, can also have a feature in that also there is adjustable diameter and screw adjusting mechanism, it is positioned on motor, wherein, the extension line of push rod is through the spindle central of motor, motor is installed in adjustable diameter and screw adjusting mechanism, and adjustable diameter and screw adjusting mechanism is used for regulating the motor tail end close to or away from push rod.
The piston type transfusion Micropump that this utility model provides, it is also possible to having a feature in that wherein, the tail end of push rod is provided with plate, for completely attaching to cam.
The piston type transfusion Micropump that this utility model provides, it is also possible to having a feature in that wherein, medicinal liquid cavity and piston use medical ptfe to make.
The piston type transfusion Micropump that this utility model provides, it is also possible to having a feature in that wherein, medicinal liquid cavity and piston are cylinder.
Utility model effect and effect
The piston type transfusion Micropump that this utility model provides, for by thrombolytic medicinal liquid or normal saline pulse be transported to be arranged in blood vessel to fluid catheter, including medicinal liquid cavity unit and the push unit that is linked in medicinal liquid cavity, it is big that it has medical liquid spraying power, can washing liquid and the feature of discharge opeing continuously, greatly facilitate the administration of medical personnel.
Accompanying drawing explanation
Fig. 1 is piston type of the present utility model transfusion micro-pump structure schematic diagram.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reaching purpose and be easy to understand with effect, following example combine accompanying drawing and piston type of the present utility model infuse micro-pump structure and principle and using method is specifically addressed.
Embodiment 1
Fig. 1 is the piston type transfusion micro-pump structure schematic diagram of this embodiment
Piston type transfusion Micropump 1 includes medicinal liquid cavity unit 10 and the push unit 20 pushed out for strong medicinal liquid and controller 30 (not shown) and adjustable diameter and screw adjusting mechanism 40,
Medicinal liquid cavity unit 10, medicinal liquid cavity 11 including the cylindrical tube shape in hollow, use medical ptfe makes, for receiving medical liquids, inlet 111, liquid outlet 112 it is provided with on medicinal liquid cavity 11, it is provided with the check valve limiting unidirectional entrance on inlet 111, liquid outlet 112 is provided with the unidirectional check valve gone out of restriction
Inlet 111 number is two, respectively thrombolytic medicinal liquid inlet 1111 and normal saline inlet 1112, and it all connects electromagnetic valve, and electromagnetic valve is used for thrombolytic medicinal liquid and the switching of normal saline, and its opening and closing is controlled by controller 30,
Filter 113 is installed, for filtering the solid particulate matter that may contain on liquid outlet 112.
Push unit 20, including push rod 21 and power part 22 and back-moving spring 23,
The head end of push rod 21 is provided with piston 211, and tail end is provided with plate 212,
Piston 211 is inserted in medicinal liquid cavity 11 to move back and forth and sucks and extrude thrombolytic medicinal liquid or normal saline, and it is cylindrical, and material is medical ptfe, and push rod is applied mechanically back-moving spring 23,
Power part 22 contacts with the plate 212 of the tail end of push rod 21, and including direct current generator 221 and connected cam 222, the plate 212 that the rotational movement cam 222 of motor 221 extrudes in push rod moves back and forth, thus extrudes propelling movement.
Controller 30, connects with motor 221, is used for controlling operation halted state and the rotary speed of motor, and it has time setting and running speed set-up function.
Adjustable diameter and screw adjusting mechanism 40, is arranged on motor 221, and wherein, the spindle central of motor, on the extension line of push rod, is used for regulating the motor tail end close to or away from push rod.
Using method:
During use, as a example by thrombolytic medicinal liquid pulsatile administration dissolves thrombus treatment, preparation thrombolytic medicinal liquid and normal saline connect preparation imbibition with thrombolytic medicinal liquid inlet 1111 and normal saline inlet 1112 respectively.
Start, controller starts, and first switching normal saline flushing drains the air in machine and other foreign material, i.e. can use after a period of time.
Before using, according to circumstances set the flow velocity (motor rotation speed) of pump, run temporal sequence, the treatment procedure of the treatment parameters such as the time of switching normal saline and thrombolytic medicinal liquid.
Connection liquid medicine catheter, to liquid outlet 112, notes according to circumstances deciding whether to install filter.
After liquid medicine catheter is inserted into the suitable vessel position of patient, i.e. can open above-mentioned treatment procedure, the most i.e. start alternately to thrombi injection thrombolytic medicinal liquid and normal saline.
After use, normal saline flushing.
The effect of embodiment and beneficial effect
The piston type transfusion Micropump that the present embodiment provides, for by thrombolytic medicinal liquid or normal saline pulse be transported to be arranged in blood vessel to fluid catheter, including medicinal liquid cavity unit and the push unit that is linked in medicinal liquid cavity, it is big that it has medical liquid spraying power, can washing liquid and the feature of discharge opeing continuously, greatly facilitate the administration of medical personnel.
The piston type transfusion Micropump that the present embodiment provides also has same motor and connects controller, it is used for controlling operation halted state and the rotary speed of motor, so can set administration time, dosage on the controller, thus realize automated intelligent requirement, facilitate sufferer and medical personnel.
The piston type transfusion Micropump inlet number that the present embodiment provides is two, respectively thrombolytic medicinal liquid inlet and normal saline inlet, is so designed that and can meet treatment needs, convenient switching.
Being provided with filter on liquid outlet in the piston type transfusion Micropump that the present embodiment provides, for filtering the solid particulate matter that may contain, the filter of increase is possible to prevent to enter in human vas in the issuable precipitation of normal saline and medicament mixed.
Motor in the piston type transfusion Micropump that the present embodiment provides is installed in adjustable diameter and screw adjusting mechanism, adjustable diameter and screw adjusting mechanism is used for regulating the motor tail end close to or away from push rod, rotate a circle the liquid volume pushed such that it is able to regulate each motor, i.e. can regulate expulsion pressure and the amount of every time injection.
Medicinal liquid cavity and piston in the piston type transfusion Micropump that the present embodiment provides use medical ptfe to make, can be with self-lubricating, safety and sanitation simultaneously.
Claims (9)
1. a piston type transfusion Micropump, for by thrombolytic medicinal liquid or normal saline pulse be transported to be arranged in blood vessel to fluid catheter, it is characterised in that including:
Medicinal liquid cavity unit, including the medicinal liquid cavity of the tubular in hollow, is used for accommodating described medicinal liquid
Inlet, liquid outlet it is provided with on described medicinal liquid cavity,
It is provided with the check valve limiting unidirectional entrance on described inlet, described liquid outlet is provided with the unidirectional check valve gone out of restriction；
Push unit, including push rod and power part,
The head end of described push rod is provided with piston, and described piston is inserted in described medicinal liquid cavity to move back and forth and sucks and extrude described thrombolytic medicinal liquid or normal saline, and described push rod applies mechanically back-moving spring,
Described power part contacts with the tail end of described push rod, and including motor and connected cam, push rod described in cam described in the rotational movement of described motor moves back and forth.
Piston type the most according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described inlet number is two, the most described thrombolytic medicinal liquid inlet and normal saline inlet.
Piston type the most according to claim 1 transfusion Micropump, it is characterised in that also include:
Controller, connects with described motor, is used for controlling operation halted state and the rotary speed of described motor.
Piston type the most according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described liquid outlet is provided with filter, for filtering the solid particulate matter that may contain.
Piston type the most according to claim 3 transfusion Micropump, it is characterised in that:
Wherein, described normal saline inlet and thrombolytic medicinal liquid inlet are also associated with electromagnetic valve,
Described electromagnetic valve is used for described thrombolytic medicinal liquid and the switching of normal saline, and its opening and closing is controlled by described controller.
Piston type the most according to claim 1 transfusion Micropump, it is characterised in that:
Also there is adjustable diameter and screw adjusting mechanism, be positioned on described motor,
Wherein, the extension line of described push rod passes the spindle central of described motor,
Described motor is installed in adjustable diameter and screw adjusting mechanism, and described adjustable diameter and screw adjusting mechanism is used for regulating the described motor tail end close to or away from described push rod.
Piston type the most according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, the tail end of described push rod is provided with plate, for completely attaching to described cam.
Piston type the most according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described medicinal liquid cavity and piston use medical ptfe to make.
Piston type the most according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described medicinal liquid cavity and piston are cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030999.0U CN205411827U (en) | 2015-12-11 | 2015-12-11 | Piston infusion micropump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030999.0U CN205411827U (en) | 2015-12-11 | 2015-12-11 | Piston infusion micropump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205411827U true CN205411827U (en) | 2016-08-03 |
Family
ID=56515777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521030999.0U Expired - Fee Related CN205411827U (en) | 2015-12-11 | 2015-12-11 | Piston infusion micropump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205411827U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662531A (en) * | 2015-12-30 | 2016-06-15 | 中国人民解放军第二军医大学 | Pulse transfusion micropump |
| CN106215277A (en) * | 2016-08-15 | 2016-12-14 | 鲁绍荣 | A kind of medical infusion machine |
| CN108261584A (en) * | 2018-01-16 | 2018-07-10 | 湖南中医药大学 | A kind of slidingtype regulation and control dropper of multifunctional adaptive continuous transfusion system |
| CN109644970A (en) * | 2019-01-02 | 2019-04-19 | 安徽工程大学 | A kind of pesticide spraying trolley |
| CN110219229A (en) * | 2019-07-17 | 2019-09-10 | 侯德萌 | A kind of road and bridge joint-cutting device |
| CN112957563A (en) * | 2021-03-18 | 2021-06-15 | 台州恩泽医疗中心(集团) | Micro-injection pump for ICU department |
| CN114306762A (en) * | 2021-12-10 | 2022-04-12 | 北京大学第三医院（北京大学第三临床医学院） | Impulse type liquid guide device and liquid conveying and discharging system |
| CN116216873A (en) * | 2023-03-17 | 2023-06-06 | 江苏建筑职业技术学院 | Safety disinfection water treatment equipment for river water quality |
-
2015
- 2015-12-11 CN CN201521030999.0U patent/CN205411827U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662531A (en) * | 2015-12-30 | 2016-06-15 | 中国人民解放军第二军医大学 | Pulse transfusion micropump |
| CN105662531B (en) * | 2015-12-30 | 2018-04-20 | 中国人民解放军第二军医大学 | A kind of pulse infusion Micropump |
| CN106215277A (en) * | 2016-08-15 | 2016-12-14 | 鲁绍荣 | A kind of medical infusion machine |
| CN108261584A (en) * | 2018-01-16 | 2018-07-10 | 湖南中医药大学 | A kind of slidingtype regulation and control dropper of multifunctional adaptive continuous transfusion system |
| CN109644970A (en) * | 2019-01-02 | 2019-04-19 | 安徽工程大学 | A kind of pesticide spraying trolley |
| CN110219229A (en) * | 2019-07-17 | 2019-09-10 | 侯德萌 | A kind of road and bridge joint-cutting device |
| CN112957563A (en) * | 2021-03-18 | 2021-06-15 | 台州恩泽医疗中心(集团) | Micro-injection pump for ICU department |
| CN114306762A (en) * | 2021-12-10 | 2022-04-12 | 北京大学第三医院（北京大学第三临床医学院） | Impulse type liquid guide device and liquid conveying and discharging system |
| CN116216873A (en) * | 2023-03-17 | 2023-06-06 | 江苏建筑职业技术学院 | Safety disinfection water treatment equipment for river water quality |
| CN116216873B (en) * | 2023-03-17 | 2024-01-05 | 江苏建筑职业技术学院 | Safety disinfection water treatment equipment for river water quality |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20201211 |