CN105662531A - Pulse transfusion micropump - Google Patents
Pulse transfusion micropump Download PDFInfo
- Publication number
- CN105662531A CN105662531A CN201511021836.0A CN201511021836A CN105662531A CN 105662531 A CN105662531 A CN 105662531A CN 201511021836 A CN201511021836 A CN 201511021836A CN 105662531 A CN105662531 A CN 105662531A
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- Prior art keywords
- micropump
- transfusion
- solution
- pulse
- medicinal liquid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
- A61B2017/00539—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated hydraulically
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00778—Operations on blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22082—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance
- A61B2017/22084—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for after introduction of a substance stone- or thrombus-dissolving
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a pulse transfusion micropump which is used for delivering medical solution or normal saline pulse to a solution catheter which is disposed in a vessel. The pulse transfusion micropump is characterized by including the following: a medicine solution cavity unit for accommodating medicine solution, the medicine solution cavity provided with a solution inlet and a solution outlet thereon, the solution inlet provided with a one-way valve thereon for defining one way entrance of the medicine solution, the solution outlet provided with a one-way valve thereon for defining one way exit of the medicine solution; a pulse excruciating unit which is communicated with the medicine solution cavity and is used for excruciating the medicine cavity and includes a reciprocating piece and a power source, the reciprocating piece being communicated with the medicine solution, the power source providing power to the reciprocating piece. The pulse transfusion micropump has a large injection force in terms of the medicine solution, can perform solution washing and solution discharging, which greatly facilitates medicine feeding of medical staff. The medicine solution cavity of the pulse transfusion micropump has no moving pieces, no wearing, and does not introduce material pollution.
Description
Technical field
The invention belongs to field of medical appliances, especially relate to the infusion pump of a kind of pumping thrombolysis liquid or physiological saline.
Background technology
In vascular disease treatment is clinical, often use the method for minimally-invasive treatment, by the thrombi that thrombolysis liquid is pushed in blood vessel by syringe and special conduit, it is ejected in thrombi by thrombolytic drug pressure, utilizing the liquid of high speed and high pressure (for the embolic mass in blood) to impact makes the thrombi of artery-clogging path cracked, but less thrombi melts under thrombolysis liquid effect thus reaches the object of thrombi in cancellation blood vessel.
But, in practical work, this work mainly relies on medical personnel's syringe to inject by hand, very inconvenient, particularly often push away and once all need to unload syringe, both increased health infection risk, and increased again medical personnel's burden simultaneously, the more important thing is, need to inject at regular time and quantity in clinical, this requires for people, is just not easy to realize, and medical personnel can not at one's side patient always after all.
Existing syringe pump on the other hand, it is all imitate staff use syringe to inject such as WZS-50F6 Xing Shuan road micro-injection pump (Zhejiang company of Zhejiang University) Japan Terumo Tai Er luxuriant TE-331 syringe pump (Terumo Tai Er is luxuriant in Japan), pulse administration cannot be completed, the more important thing is that its pressure is lower, the therapeutic process of above-mentioned driving " liquid impact make the thrombi of artery-clogging path cracked " cannot be completed, complex structure simultaneously, price is too expensive also, is not suitable for a large amount of use.
Summary of the invention
The present invention proposes for solving the problem, provide a kind of pulse transfusion Micropump, present medical personnel can be replaced to complete injecting of thrombolysis liquid, the amount every time injected can be controlled simultaneously, the speed injected and the time injected, the more important thing is that the medicinal liquid cavity of receiving medical liquids is disposable, it is possible to one changes with one, avoid intersecting the problem mixed completely.
A kind of pulse transfusion Micropump, for by liquid or physiological saline pulse be transported to be arranged in blood vessel to fluid catheter, it is characterized in that, comprise: medicinal liquid cavity unit, for receiving medical liquids, comprise the elastic medicinal liquid cavity in hollow, medicinal liquid cavity is provided with fluid inlet, liquid outlet, fluid inlet is provided with the restriction unidirectional check valve entered of liquid, liquid outlet is provided with the check valve of the restriction unidirectional output of liquid;Pulsed squeeze unit, with medicinal liquid cavity contact, is used for extruding medicinal liquid cavity, comprises to-and-fro movement part and propulsion source, and to-and-fro movement part contacts with medicinal liquid cavity, and propulsion source is that to-and-fro movement part provides power.
Pulse provided by the invention transfusion Micropump, can also have such feature: wherein, propulsion source is made up of motor and offset cam, to-and-fro movement part comprises head end cross bar and tail end cross bar and connects both union levers, tail end cross bar with medicinal liquid cavity contact be used for reciprocating extrusion exhaust, union lever is provided with make head end cross bar all the time with offset cam edge laminating return spring; Offset cam, with the contact of head end cross bar, is used for driving the linear reciprocating motion extruding medicinal liquid cavity of to-and-fro movement part under driven by motor.
Pulse provided by the invention transfusion Micropump, it is also possible to have such feature: also comprise controller, connect with motor, the operation being used for controlling motor stops state and speed of rotation.
Pulse provided by the invention transfusion Micropump, it is also possible to having such feature: wherein, medicinal liquid cavity is spherical in shape, it may also be useful to medical macromolecular materials resilient material makes.
Pulse provided by the invention transfusion Micropump, it is also possible to having such feature: wherein, pulsed squeeze unit also comprises protective sleeve, is used for surrounding medicinal liquid cavity, and its inwall has chute, and for holding, the reciprocating linear slip inside of tail end cross bar extrudes medicinal liquid cavity to chute.
Pulse provided by the invention transfusion Micropump, it is also possible to there is such feature: wherein, fluid inlet is also connected with liquid feeding pump, for assisting into liquid.
Pulse provided by the invention transfusion Micropump, it is also possible to have such feature: wherein, fluid inlet is also connected with electromagnetism two-port valve, for drawing into liquid from the container that thrombolysis liquid or physiological saline are housed respectively, its switching is by controller control.
Pulse provided by the invention transfusion Micropump, it is also possible to having such feature: wherein, medicinal liquid cavity is disposable, and its volume is any one in 0.5ml, 1ml, 2ml, 5ml, 10ml.
Invention effect and effect
Pulse provided by the invention transfusion Micropump, for by thrombolysis liquid or physiological saline pulse be transported to be arranged in blood vessel to fluid catheter, comprise medicinal liquid cavity unit and for by the pulse air injection unit of the medical liquid squeezing in medicinal liquid cavity, it is big that it has medical liquid spraying power, can the feature of washing lotion and discharge opeing continuously, facilitate the administration of medical personnel greatly.
Meanwhile, the medicinal liquid cavity in this device does not have moving parts, it does not have abrasion, can not the material contamination of introducing device.
Accompanying drawing explanation
Fig. 1 is the pulse transfusion micro-pump structure schematic diagram of the present invention.
Embodiment
In order to the present invention is realized technique means, creation characteristic, reach object and effect is easy to understand, the structure of the pulse transfusion Micropump of the present invention and principle and using method are specifically addressed by following examples by reference to the accompanying drawings.
Embodiment 1
Fig. 1 is the pulse transfusion micro-pump structure schematic diagram of this embodiment
Pulse transfusion Micropump 100 comprises medicinal liquid cavity unit 10 and is attached thereto for by the pulsed squeeze unit 20 of medical liquid squeezing wherein and controller (not shown) and adjustable diameter and screw adjusting mechanism 30.
Wherein, medicinal liquid cavity unit 10, for receiving medical liquids, comprises the medicinal liquid cavity 11 in hollow spheres and protective sleeve 12,
Medicinal liquid cavity 11 is spherical in shape, it is provided with fluid inlet 111, liquid outlet 112, fluid inlet 111 and the horizontally disposed bottom at medicinal liquid cavity 11 of liquid outlet 112, fluid inlet 111 is provided with the restriction unidirectional check valve entered of liquid, the check valve being provided with the restriction unidirectional output of liquid on liquid outlet 112, liquid outlet 112 is connected to fluid catheter with extraneous;
Fluid inlet 111 is also connected with for assisting into liquid liquid feeding pump 114, this pump is general axial-flow type impeller pump, also it is connected with electromagnetism two-port valve 115, its one end is connected with liquid feeding pump 114, two other passage is drawn into liquid respectively from the container that thrombolysis liquid or physiological saline are housed, and its switching is by controller control;
Protective sleeve 12; for the thin-walled metal vessel of cylinder shape, namely medicinal liquid cavity 11 is installed within it, its circular upper cover 122 having outer wall 121 and can sliding up and down along outer wall; wherein it is provided with chute inside outer wall 121, and the projection having outstanding same chute chimeric on circular upper cover 122.
Pulsed squeeze unit 20, is connected with circular upper cover 122 and is used for pushing its extruding medicinal liquid cavity 11 that moves up and down, comprise to-and-fro movement part 21 and propulsion source 22, and wherein, propulsion source 22 is made up of motor 221 and offset cam 222,
To-and-fro movement part 21 comprises head end cross bar 211 and tail end cross bar 212 and connects both union lever 213 and return spring 214, tail end cross bar 212 is bolted to connection with circular upper cover 122, be used for reciprocating extrusion exhaust, union lever 213 is provided with and makes head end cross bar 211 all the time with the return spring 214 of offset cam 222 edge laminating
Offset cam 222 and motor 221 connect, and the upper-lower position of motor 221 can regulate a guarantee to contact with head end cross bar 211 by screw mechanism, and wherein motor 221 is for convenience of the direct-current machine changing rotating speed, and its running is by controller control.
Controller, connects with motor 221, and the operation being used for controlling motor stops state and speed of rotation, and it has time setting and running speed setting function.
Adjustable diameter and screw adjusting mechanism 30, is arranged on motor 221, and wherein, the rotating shaft center of motor, on the extension line of union lever 213, is used for regulating motor close to or away from head end cross bar 211.
As one optimization, medicinal liquid cavity 11 is that disposable medical material makes, and its volume is 0.5ml, 1ml, 2ml, 5ml, 10ml, uses a patient and once namely abandons afterwards.
As a kind of variation, above-mentioned medicinal liquid cavity 11 can use the cylindrical kettle in existing disposable transfusion device, check valve is set in the import and entrance of dripping kettle simultaneously, so just can utilize existing resource more easily, better be connected with existing transfusion instrument.
Using method:
During use, melting thrombus treatment so that thrombolysis liquid pulsatile administration is molten, preparation thrombolysis liquid and physiological saline connect preparation imbibition with the respective channel of electromagnetism two-port valve 115 respectively.
Start, controller starts, and first switches normal saline flushing and drains the air in machine and other foreign material, namely can use after for some time.
Before using, according to circumstances set the flow velocity (motor rotation speed) of pump, working time program, the treatment procedure of the treatment such as time parameters of switching physiological saline and thrombolysis liquid.
Connect liquid medicine catheter to liquid outlet 112, it is noted that according to circumstances determine whether mounting filter.
After liquid medicine catheter is inserted into the suitable vessel position of patient, namely can open above-mentioned treatment procedure, so namely start alternately spray thrombolysis liquid and physiological saline to thrombi.
After finishing using, normal saline flushing, abandons disposable medicinal liquid cavity 11.
The effect of embodiment and useful effect
The pulse transfusion Micropump that the present embodiment provides, for by thrombolysis liquid or physiological saline pulse be transported to be arranged in blood vessel to fluid catheter, comprise medicinal liquid cavity unit and for by the pulse air injection unit of the medical liquid squeezing in medicinal liquid cavity, it is big that it has medical liquid spraying power, can the feature of washing lotion and discharge opeing continuously, facilitate the administration of medical personnel greatly.
Meanwhile, the medicinal liquid cavity in this device does not have moving parts, it does not have abrasion, can not the material contamination of introducing device.
The pulse transfusion Micropump propulsion source that the present embodiment provides is made up of motor and offset cam, and offset cam operates steadily in running extrusion process, and noiseless, is suitable for the quiet environmental requirement of hospital.
The pulse transfusion Micropump that the present embodiment provides also has same motor connection control device, the operation being used for controlling motor stops state and speed of rotation, can set administration time, administration amount so on the controller, thus realize automated intelligent requirement, facilitate sufferer and medical personnel.
The pulse transfusion Micropump fluid inlet number that the present embodiment provides is two, is respectively thrombolysis liquid fluid inlet and physiological saline fluid inlet, and so design can meet treatment needs, convenient switching.
In the pulse transfusion Micropump that the present embodiment provides on liquid outlet can mounting filter, for filtering the solid particulate matter that may contain, the strainer of increase is possible to prevent the precipitation physiological saline and medicament mixed may produce and enters in human vas.
Motor in the pulse 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 motor close to or away from the tail end pushing bar, such that it is able to the liquid volume regulating each motor to rotate a circle and push, spraying pressure and the amount of injection every time namely can be regulated.
Pulsed squeeze unit in the pulse transfusion Micropump that the present embodiment provides also comprises protective sleeve, is used for surrounding medicinal liquid cavity, and such design can protect key part medicinal liquid cavity.
The pulse transfusion Micropump Chinese medicine sap cavity that the present embodiment provides is disposable, and the residual crossed contamination of the liquid after repeatedly using even is avoided in the minimizing that such design can be further.
Claims (8)
1. a pulse transfusion Micropump, for by liquid or physiological saline pulse be transported to be arranged in blood vessel to fluid catheter, it is characterised in that, comprising:
Medicinal liquid cavity unit, for holding described liquid, comprise the elastic medicinal liquid cavity in hollow, described medicinal liquid cavity is provided with fluid inlet, liquid outlet, described fluid inlet is provided with the restriction unidirectional check valve entered of described liquid, described liquid outlet is provided with the check valve of the restriction unidirectional output of described liquid;
Pulsed squeeze unit, contacts with described medicinal liquid cavity, is used for extruding described medicinal liquid cavity, comprises to-and-fro movement part and propulsion source, and described to-and-fro movement part contacts with described medicinal liquid cavity, and described propulsion source is described to-and-fro movement part offer power.
2. pulse according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described propulsion source is made up of motor and offset cam,
Described to-and-fro movement part comprises head end cross bar and tail end cross bar and connects both union levers, described tail end cross bar with described medicinal liquid cavity contact be used for reciprocating extrusion exhaust, described union lever is provided with make described head end cross bar all the time with described offset cam edge laminating return spring;
Described offset cam contacts with described head end cross bar, is used under described driven by motor and drives the linear reciprocating motion of described to-and-fro movement part to extrude described medicinal liquid cavity.
3. pulse according to claim 2 transfusion Micropump, it is characterised in that also comprise:
Controller, connects with described motor, and the operation being used for controlling described motor stops state and speed of rotation.
4. pulse according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described medicinal liquid cavity is spherical in shape, it may also be useful to medical macromolecular materials resilient material makes.
5. pulse according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described pulsed squeeze unit also comprises protective sleeve, is used for surrounding described medicinal liquid cavity, and its inwall has chute,
For holding, the reciprocating linear slip inside of described tail end cross bar extrudes described medicinal liquid cavity to described chute.
6. pulse according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described fluid inlet is also connected with liquid feeding pump, for assisting into liquid.
7. pulse according to claim 3 transfusion Micropump, it is characterised in that:
Wherein, described fluid inlet being also connected with electromagnetism two-port valve, for drawing into liquid from the container that described thrombolysis liquid or physiological saline are housed respectively, its switching is controlled by described controller.
8. pulse according to claim 1 transfusion Micropump, it is characterised in that:
Wherein, described medicinal liquid cavity is disposable, and its volume is any one in 0.5ml, 1ml, 2ml, 5ml, 10ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021836.0A CN105662531B (en) | 2015-12-30 | 2015-12-30 | A kind of pulse infusion Micropump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021836.0A CN105662531B (en) | 2015-12-30 | 2015-12-30 | A kind of pulse infusion Micropump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105662531A true CN105662531A (en) | 2016-06-15 |
| CN105662531B CN105662531B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511021836.0A Active CN105662531B (en) | 2015-12-30 | 2015-12-30 | A kind of pulse infusion Micropump |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693094A (en) * | 2017-01-03 | 2017-05-24 | 上海理工大学 | Electromagnetically driven left-right reciprocating liquid pumping mechanism |
| CN107050584A (en) * | 2016-11-30 | 2017-08-18 | 南昌市博泽康医药科技有限公司 | A kind of new medical intravenous infusion set auxiliary equipment |
| CN107929868A (en) * | 2018-01-05 | 2018-04-20 | 中国人民解放军总医院 | Tube sealing liquid syringe pusher |
| CN108210152A (en) * | 2018-02-12 | 2018-06-29 | 深圳爱感科技有限公司 | A kind of menstrual cup |
| CN109289105A (en) * | 2017-07-24 | 2019-02-01 | 京东方科技集团股份有限公司 | Medical use liquid constant temperature heating device, infusion equipment and formula milk modulating equipment |
| CN112057134A (en) * | 2020-09-16 | 2020-12-11 | 陕西省人民医院 | Induction type thrombolysis catheter suitable for cardiovascular interventional therapy |
| CN112957563A (en) * | 2021-03-18 | 2021-06-15 | 台州恩泽医疗中心(集团) | Micro-injection pump for ICU department |
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| CN2535064Y (en) * | 2002-03-11 | 2003-02-12 | 周冠旻 | Low-position transfusion system |
| CN101014377A (en) * | 2004-08-16 | 2007-08-08 | 大研医器株式会社 | Medicinal liquid infusion apparatus |
| CN201088749Y (en) * | 2007-11-05 | 2008-07-23 | 高燕 | Infusion bag pressure device |
| JP5565490B1 (en) * | 2013-03-26 | 2014-08-06 | 東亜ディーケーケー株式会社 | Feed pump |
| CN205411827U (en) * | 2015-12-11 | 2016-08-03 | 中国人民解放军第二军医大学 | Piston infusion micropump |
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2015
- 2015-12-30 CN CN201511021836.0A patent/CN105662531B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535064Y (en) * | 2002-03-11 | 2003-02-12 | 周冠旻 | Low-position transfusion system |
| CN101014377A (en) * | 2004-08-16 | 2007-08-08 | 大研医器株式会社 | Medicinal liquid infusion apparatus |
| CN201088749Y (en) * | 2007-11-05 | 2008-07-23 | 高燕 | Infusion bag pressure device |
| JP5565490B1 (en) * | 2013-03-26 | 2014-08-06 | 東亜ディーケーケー株式会社 | Feed pump |
| CN205411827U (en) * | 2015-12-11 | 2016-08-03 | 中国人民解放军第二军医大学 | Piston infusion micropump |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050584A (en) * | 2016-11-30 | 2017-08-18 | 南昌市博泽康医药科技有限公司 | A kind of new medical intravenous infusion set auxiliary equipment |
| CN106693094A (en) * | 2017-01-03 | 2017-05-24 | 上海理工大学 | Electromagnetically driven left-right reciprocating liquid pumping mechanism |
| CN109289105A (en) * | 2017-07-24 | 2019-02-01 | 京东方科技集团股份有限公司 | Medical use liquid constant temperature heating device, infusion equipment and formula milk modulating equipment |
| CN107929868A (en) * | 2018-01-05 | 2018-04-20 | 中国人民解放军总医院 | Tube sealing liquid syringe pusher |
| CN107929868B (en) * | 2018-01-05 | 2023-05-05 | 中国人民解放军总医院 | Push device for tube sealing liquid injector |
| CN108210152A (en) * | 2018-02-12 | 2018-06-29 | 深圳爱感科技有限公司 | A kind of menstrual cup |
| CN112057134A (en) * | 2020-09-16 | 2020-12-11 | 陕西省人民医院 | Induction type thrombolysis catheter suitable for cardiovascular interventional therapy |
| CN112057134B (en) * | 2020-09-16 | 2022-04-12 | 陕西省人民医院 | Induction type thrombolysis catheter suitable for cardiovascular interventional therapy |
| CN112957563A (en) * | 2021-03-18 | 2021-06-15 | 台州恩泽医疗中心(集团) | Micro-injection pump for ICU department |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105662531B (en) | 2018-04-20 |
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