CN1115171C - Pneumatic blood pump, combined pneumatic heart-lung machine and artificial pneumatic heart - Google Patents
Pneumatic blood pump, combined pneumatic heart-lung machine and artificial pneumatic heart Download PDFInfo
- Publication number
- CN1115171C CN1115171C CN 99123971 CN99123971A CN1115171C CN 1115171 C CN1115171 C CN 1115171C CN 99123971 CN99123971 CN 99123971 CN 99123971 A CN99123971 A CN 99123971A CN 1115171 C CN1115171 C CN 1115171C
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- heart
- blood
- pneumatic
- pump
- artificial
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Abstract
The present invention belongs to the field of a medical apparatus and instrument, and aims at solving the problem of causing blood to pulsate to flow and replacing the heart. The blood pump is characterized in that an elastic film inside a pump body extends and retracts under the variation of air pressure, and blood pulsates and flows in one single direction under the pressure. The blood pump and an artificial heart are composed of an air exhausting and compressing machine, a connecting pipe and a pump body. A combined pneumatic heart-lung machine formed by combining a blood pump, a return tank, a temperature change device and an arterial thrombus filter is characterized in that blood oxygenation and pulsation are completed simultaneously to result in no waveform failure. The artificial pneumatic heart which operates on the same principle as that of the heart contraction can be manufactured into the shape of a heart to be conveniently implanted into a human body. The present invention is used for extracorporeal circulation, auxiliary circulation and artificial heart replacement.
Description
Technical field the present invention relates to a kind of medical apparatus and instruments, especially relates to a kind of extracorporeal circulation apparatus that replaces human heart work when carrying out the human heart surgical operation.
Background technology is present, and when the human heart surgical operation, replacing the extracorporeal circulation apparatus of human heart work is heart-lung machine.It is by following parts: return tank, blood pump, blood temperature controller, membrane oxygenator, Micro-Bolt Filter connect the system that the back constitutes with flexible pipe.Wherein, blood pump is the important composition parts of heart-lung machine, is the heart component of heart-lung machine.Its blood pump is divided into roller pump and centrifugal pump by power initiation, is characterized in: roller pump provides power by the method for eddy current and centrifugal force acceleration for blood flow for blood flow provides power, centrifugal pump by the method for extruding blood flow pipeline, and they all produce the pollex blood flow.The system that parts such as the blood temperature controller that connects through flexible pipe when the pollex blood flow, membrane oxygenator constitute is venous blood flow after heart-lung machine enters the human body metabolism, and flows into return tank by deadweight, and continuing provides power to produce the pollex blood flow through blood pump, constantly circulates.
Extracorporeal circulation apparatus is a heart-lung machine, mode by extruding or centrifugal force acceleration provides power for blood, because parts are many, pipeline is many, when carrying out extracorporeal circulation with it, benefits such as its many advantages, characteristics are arranged, but weak point is also arranged, and its weak point is: when producing the pollex blood flow, hemocyte in the blood has been constituted squeeze and destroy or acceleration damage to a certain degree.
Summary of the invention the objective of the invention is to overcome deficiency of the prior art, and a kind of Pneumatic blood pump is provided.Pneumatic blood pump that is provided and prior art cooperation promptly connect blood temperature controller, membrane oxygenator, Micro-Bolt Filter and each parts of return tank with flexible pipe and can constitute an extracorporeal circulation system.
Pneumatic blood pump disposes the work of gas hytor.The gas hytor is universal, has pressure, frequency, time-controlling arrangement and hand gear.
Technical scheme of the present invention is as follows:
The pump housing of described Pneumatic blood pump is sphere or class ball-type, three openings are arranged above, wherein two be blood flow inflow entrance and flow export, lay respectively at the two ends of the pump housing, and being separately installed with check valve, another opening is that gas inlet and outlet is called pneumostome, will chews with connection tube with the air bag of gas hytor and be connected.Pump housing inside between blood flow inlet and flow export is provided with in a tubular form or bores piped elastic force film, will be separated into inner membrance chamber and air chamber in the pump housing.The gas that starts the back pollex when the gas hytor enters air chamber through pneumostome and acts on the elastic force film, makes blood flow in the inner membrance chamber produce pollex and make one-way flow under check valve limits.
Beneficial effect of the present invention is as follows: it is that the inner membrance chamber increases or dwindles that Pneumatic blood pump makes the latus rectum of elastic force film with the respiratory gas mode, has reached the result who produces the pollex blood flow, has also got rid of the squeeze and destroy of blood simultaneously or quickens damage, has improved blood quality.
Description of drawings Fig. 1 is the sectional structural map of Pneumatic blood pump of the present invention.
The specific embodiment is further described the present invention below in conjunction with accompanying drawing:
In the drawings, the blood pump of pneumatic type is mainly by: the pump housing 1 pneumostome 2 blood flows 3 blood stream outlets, 4 elastic force films, 5 inner membrance chambeies, 6 air chamber, 7 check valves, 8 check valves 9 that enter the mouth
In the sectional structural map of Pneumatic blood pump shown in Figure 1, the pump housing is a spheroid form, its pump housing is provided with blood flow inlet 3 and blood stream outlet 4 and is arranged on the two ends of the pump housing, be provided with the pneumostome 2 that can link with the gas hytor simultaneously, between blood flow inlet 3 and blood stream outlet 4, be provided with elastic force film 5 in a tubular form and constitute inner membrance chamber 6 and air chamber 7, be provided with check valve 8 and check valve 9 at blood flow inlet 3 with blood stream outlet 4 places simultaneously.
The pollex gas that produces when the gas hytor enters air chamber 7 when acting on elastic force film 5 through pneumostome 2, and the blood inner membrance chamber 6 in produces pollex, and the pollex power of blood flow closes that check valve 8 is opened check valve 9 simultaneously and through blood stream outlet 4 discharges.
Claims (1)
1, a kind of Pneumatic blood pump, comprise the pump housing (1), in the pump housing (1), be provided with the elastic force film (5) that constitutes inner membrance chamber (6) and air chamber (7), the surface of the pump housing (1) is provided with pneumostome (2), blood flow inlet (3), blood stream outlet (4), locate to be provided with respectively check valve (8) and (9) at blood flow inlet (3) and blood stream outlet (4), pneumostome (2) communicates with air chamber (7), it is characterized in that: described blood flow inlet (3) and blood stream outlet (4) are separately positioned on the two ends of the pump housing (1); Described elastic force film (5) is a tubulose, and is arranged between blood flow inlet (3) and the blood stream outlet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99123971 CN1115171C (en) | 1999-11-22 | 1999-11-22 | Pneumatic blood pump, combined pneumatic heart-lung machine and artificial pneumatic heart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99123971 CN1115171C (en) | 1999-11-22 | 1999-11-22 | Pneumatic blood pump, combined pneumatic heart-lung machine and artificial pneumatic heart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1256157A CN1256157A (en) | 2000-06-14 |
| CN1115171C true CN1115171C (en) | 2003-07-23 |
Family
ID=5283080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99123971 Expired - Fee Related CN1115171C (en) | 1999-11-22 | 1999-11-22 | Pneumatic blood pump, combined pneumatic heart-lung machine and artificial pneumatic heart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1115171C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107030B (en) * | 2009-12-28 | 2013-07-17 | 杨碧波 | Cardiac impulse assist device, cardiac impulse assist system and method for treating cardiac failure |
| CN103330963B (en) * | 2013-05-31 | 2015-06-03 | 上海交通大学 | Blood pressure self-adaptive artificial heart system |
| CN103330964B (en) * | 2013-05-31 | 2015-08-26 | 上海交通大学 | With the artificial heart system of blood pressure regulating mechanism |
| CN103316386B (en) * | 2013-05-31 | 2015-09-09 | 上海市浦东医院 | Turnover blood arm staggered form artificial heart system |
| CN103394136B (en) * | 2013-07-18 | 2015-10-14 | 上海交通大学 | With the artificial heart system of two hemorrhage arm |
| CN103394138B (en) * | 2013-07-25 | 2015-12-09 | 上海交通大学 | Turnover blood arm arranges formula artificial heart system up and down |
| CN105268041A (en) * | 2015-09-10 | 2016-01-27 | 苏州大学张家港工业技术研究院 | Elastic haematodocha for artificial heart and air-bag-driven artificial heart pump |
| CN106310411A (en) * | 2016-10-25 | 2017-01-11 | 哈尔滨医科大学 | Ascending aorta type ventricular assisting device |
| CN106668965A (en) * | 2017-01-06 | 2017-05-17 | 张乐峰 | Balloon counterpulsation driven mechanical auxiliary circulating device with valves |
-
1999
- 1999-11-22 CN CN 99123971 patent/CN1115171C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1256157A (en) | 2000-06-14 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |