CN201055545Y - External beating type vesicle shaped blood pump - Google Patents
External beating type vesicle shaped blood pump Download PDFInfo
- Publication number
- CN201055545Y CN201055545Y CNU2007200725143U CN200720072514U CN201055545Y CN 201055545 Y CN201055545 Y CN 201055545Y CN U2007200725143 U CNU2007200725143 U CN U2007200725143U CN 200720072514 U CN200720072514 U CN 200720072514U CN 201055545 Y CN201055545 Y CN 201055545Y
- Authority
- CN
- China
- Prior art keywords
- blood
- blood vessel
- blood pump
- haematodocha
- pump
- 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.)
- Expired - Fee Related
Links
- 239000008280 blood Substances 0.000 title claims abstract description 115
- 210000004369 blood Anatomy 0.000 title claims abstract description 115
- 238000010009 beating Methods 0.000 title claims description 15
- 210000004204 blood vessel Anatomy 0.000 claims description 83
- 239000007963 capsule composition Substances 0.000 claims description 12
- 229920000768 polyamine Polymers 0.000 claims description 12
- 229920002379 silicone rubber Polymers 0.000 claims description 12
- 239000004945 silicone rubber Substances 0.000 claims description 12
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims description 9
- 229920000669 heparin Polymers 0.000 claims description 9
- 229960002897 heparin Drugs 0.000 claims description 9
- 208000032843 Hemorrhage Diseases 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 239000007901 soft capsule Substances 0.000 claims description 2
- 230000010349 pulsation Effects 0.000 abstract description 3
- 239000002775 capsule Substances 0.000 abstract 2
- 208000007536 Thrombosis Diseases 0.000 abstract 1
- 208000015181 infectious disease Diseases 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 230000002792 vascular Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 210000001367 artery Anatomy 0.000 description 7
- 206010011409 Cross infection Diseases 0.000 description 4
- 206010029803 Nosocomial infection Diseases 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000541 pulsatile effect Effects 0.000 description 4
- 206010019280 Heart failures Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000035488 systolic blood pressure Effects 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000035487 diastolic blood pressure Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 210000005240 left ventricle Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model provides a vitro pulsation bladder type blood pump, which relates to the technical field of medical apparatus. The technical problem of transfusion pump infection prevention is to be solved. The blood pump consists of a blood pump body and a transfusion component which is convenient to be replaced. The blood pump comprises a tube shape shell and a blood pump wall which is arranged at the two ends of the shell and is respectively provided with mesopore. The mesopore of one blood pump wall is provided with an interface flange. The shell is provided with a pressure mouth. The transfusion component comprises a blood in pipe with a blood in check valve, a blood capsule and a blood out pipe with a blood out check valve which are sealed and connected in turn from input to output. The ends of the blood in pipe and the blood out pipe which are connected with the blood capsule are provided with a circle of flange. The lateral sides of the blood in pipe and the blood out pipe are all provided with a screw. One pipeline of the blood in pipe or the blood out pipe is inserted in the interface flange which is in the mesopore of the blood pump wall. The other pipeline is inserted in the other mesopore of the blood pump wall. The two pipelines are both sealed and fixed by vascular nuts. The utility model is characterized in that the transfusion component is convenient to be replaced, the compressive force is uniform and the thrombus is prevented.
Description
Technical field
This utility model relates to medical device technology, particularly relate to a kind of be used to rescue the heart failure patient can produce the extracorporeal circulation of blood technology of beating.
Background technology
Ventricular assist device (VAD) is used for partially or completely substituting the ventricle blood-pumping function, also is artificial blood pump.Pulsation type blood pump and non-pulsation type blood pump are arranged is the advection blood pump to common used blood pump in the present clinical extracorporeal circulation.In the short time application, dabbling to influence difference not remarkable to body for pulsatile flow and non-pulsatile flow, but when long-time assisting, pulsatile flow obviously is better than non-pulsatile flow perfusion to the perfused tissue effect, this is because the former meets physiology perfusion, more helps the recovery of tissue organ function and keeps.Blood pump also can be divided into external type and body and be implanted into type.External type ventricular assist device safety, effective.But its disadvantage is patient's activity to be restricted, and is used for the heart failure patient mostly, and patient's heart born alleviated, and slows down the heart failure deterioration and heart is progressively recovered.China national Department of Intellectual Property successively disclose the external pulsate pump patent of several hearts from solved blood circulation in varying degrees, the problem of aspect such as the driving of beating, blood filtration and/or anti-tampon, but have some common shortcoming and defect.With left heart auxiliary blood pump (notification number 2178532) is example, and its weak point has:
1) can not change, be unfavorable for preventing cross infection;
2) compression stress that is subjected to of diaphragm type blood pump is inhomogeneous;
3) change complicated operation, use inconvenience.
The utility model content
At the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides a kind of blood transfusion assembly and can be convenient for changing, and is beneficial to prevent cross infection, and simple to operate, and compression stress is the external type capsule formula blood pump of beating uniformly.
Another technical problem to be solved in the utility model provides a kind of external type capsule formula blood pump of beating that can prevent tampon when blood transfusion.
In order to solve the problems of the technologies described above, a kind of external type capsule formula blood pump of beating provided by the utility model, it is characterized in that, constitute by blood pump body and the blood transfusion assembly that can be convenient for changing, the blood pump body comprises tubular shell, is located at the blood pump wall that is respectively equipped with mesopore of shell two ends, be provided with flange in wherein at least one blood pump wall mesopore, shell is provided with at least one pressure mouth, is used for the fluid that transmit outer drives blood pump; The blood transfusion assembly comprises by what (blood) inputed to that output is tightly connected successively advancing blood vessel, soft haematodocha, going out blood vessel, advance blood vessel and be provided with into blood check valve, go out blood vessel and be provided with hemorrhage check valve, an end that is connected haematodocha in wherein advancing blood vessel and going out blood vessel all is provided with a circle flange, advance blood vessel and all be provided with screw thread with the outside that goes out blood vessel, advance blood vessel or go out to have at least in the blood vessel pipeline to insert in the interior flange of a blood pump wall mesopore, fix with the blood vessel nut seal; Another root pipeline inserts in another blood pump wall mesopore, or inserts in the interior flange of another blood pump wall mesopore, fixes with the blood vessel nut seal, and soft haematodocha is located at the intracavity of shell.
During treatment, heart atrium and arteries are inserted with conduit respectively in the blood pump two ends, and blood pump is connected between heart and the arteries.The tube-like envelope of blood pump housing communicates by pressure mouth and external pressure source or hydraulic power source, the haematodocha diastole makes the blood in the heart charge into haematodocha by heart cathetrization through check valve, haematodocha shrinks the blood that makes in the haematodocha and enters arteries through check valve extrusion haematodocha, finishes the blood circulation of a heartbeat.
Further, described haematodocha is the soft capsule of cylinder two ends bore less than middle bore for the centre
Further, the tubular shell of described blood pump body is the tubular shell.
Further, described check valve is unidirectional butterfly valve.
Further, described haematodocha and advance the blood vessel butterfly valve, the flap that goes out the blood vessel butterfly valve be with high molecular polymer material such as polyamine fat, silicone rubber, and the inwall that advances blood vessel and go out blood vessel scribbles polyamine fat, silicone rubber or heparin; In case tampon.
Further, described haematodocha, the inwall that advances blood vessel and go out blood vessel scribble the composite bed of polyamine fat, silicone rubber or heparin, and the flap surface that describedly advance the blood vessel butterfly valve, goes out the blood vessel butterfly valve scribbles the composite bed of polyamine fat, silicone rubber or heparin; In case tampon.
The external type capsule formula blood pump of beating that utilizes this utility model to provide, owing to comprise haematodocha, advance blood vessel, go out blood vessel, advance the blood vessel butterfly valve and adopt the structure that to change easily with the blood transfusion assembly that goes out the blood vessel butterfly valve, make the blood transfusion assembly can adopt disposable sterilization haematodocha and medical heart intubate, can all change after each treatment, only need unscrew into blood vessel nut, go out blood vessel nut and flange and can change haematodocha easily, advance blood vessel, go out blood vessel, advance the blood vessel butterfly valve and go out the blood vessel butterfly valve, guarantee whole blood access aseptic and not with extraneous and other device contacts, stop cross infection.Diastole simultaneously and compression in the blood pump shell because around the haematodocha in addition, so stressed around the haematodocha, power is even by compression, more can simulate the psychological characteristics of heart.
Because haematodocha and butterfly valve lobe advance blood vessel and go out blood vessel to scribble polyamine fat, silicone rubber or heparin etc. with high molecular polymer material such as polyamine fat, silicone rubber, this utility model can be prevented tampon when blood transfusion.
Description of drawings
Fig. 1 is the structural representation of the external type capsule formula blood pump of beating of this utility model embodiment.
The specific embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but present embodiment is not limited to this utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
As shown in Figure 1, a kind of external type capsule formula blood pump of beating of this utility model embodiment, constitute by blood pump body and the blood transfusion assembly that can be convenient for changing, the blood pump body comprises tubular shell 6, be located at the blood pump left side wall 8 that is respectively equipped with mesopore and the right wall 9 of blood pump of shell two ends, wherein be provided with flange 10 in the right wall mesopore of blood pump, shell 6 is provided with pressure mouth 7, be used for the fluid that transmit outer drives blood pump, the blood transfusion assembly comprise by (blood) input to that output is tightly connected successively be provided with the unidirectional butterfly valve 4 of blood into advance blood vessel 2, soft haematodocha 1, what be provided with hemorrhage unidirectional butterfly valve 5 goes out blood vessel 3, wherein advance blood vessel 2 and go out the end that blood vessel 3 is connected haematodocha 1 and all be provided with a circle flange, advance blood vessel 2 and all be provided with screw thread with the outside that goes out blood vessel 3, advancing blood vessel 2 inserts in the wall mesopore of a blood pump left side, with advancing blood vessel nut 11 sealing and fixing, soft haematodocha 1 is located at the intracavity of shell, going out blood vessel 3 inserts in the interior flange of the right wall mesopore of blood pump, with going out blood vessel nut 12 sealing and fixing.In this utility model embodiment, also can will go out blood vessel insert in the wall mesopore of a blood pump left side, advance blood vessel and insert in the flange in the right wall mesopore of blood pump, and respectively with going out the blood vessel nut, advancing the blood vessel nut seal and fix.
External fluid (liquid or gas) is compressed into and is extruded blood pump housing intracavity, haematodocha 1 in the blood pump housing 6 is shunk and expansion, make blood energy suction and extrude haematodocha 1, the unidirectional turnover blood vessel butterfly valve 4,5 at two ends, make and form the heart blood supply function by the blood way flow haematodocha 1 that becomes a mandarin out.The utlity model has stable, advantage such as system is succinct, and is easy to use.
The work process of this utility model embodiment (during treatment) is as follows: the input port of advancing blood vessel 2 is connected to heart left ventricle by heart cathetrization, and the delivery outlet that goes out blood vessel 3 simultaneously is connected to arteries by arterial cannulation.When in the hemorrhage pump case of external fluid pumpback, in blood pump housing 6, cause negative pressure to make haematodocha 1 diastole, because of the check valve effect of advancing blood vessel butterfly valve 4 makes the blood in the heart flow in the haematodocha 1 through advancing blood vessel 2 and advancing blood vessel butterfly valve 4; When external fluid is compressed into blood pump housing 6, haematodocha 1 is shunk, produce systolic pressure, because the unidirectional butterfly valve effect at haematodocha 1 two ends, make the pipeline that blood in the haematodocha 1 can not be through inserting heart and flow back to heart, can only and go out blood vessel 3 pumps through blood outlet butterfly valve 5 to flow into arteries; Repeating motion so constantly makes contraction and the diastole that haematodocha 1 does not stop to produce systolic pressure and diastolic pressure, and auxiliary sanguimotor power is provided.Haematodocha diastole again and again and compression like this makes blood pump extract blood in the heart out as heart, pumps into arteries, the auxiliary blood circulation process of finishing.When stopping to treat, blood just no longer is subjected to the compression and the diastole of haematodocha, enters arteries but blood can also continue to drive the haematodocha 1 of flowing through by heart, keeps original blood circulation.
Among this utility model embodiment by haematodocha 1, advance blood vessel 2, go out blood vessel 3, advance the unidirectional butterfly valve 4 of blood, the blood transfusion assembly that hemorrhage unidirectional butterfly valve 5 is formed is disposable use, after treatment finishes, can unscrew into blood vessel nut 11, go out blood vessel nut 12 and flange 10, take out the assembly of transfusing blood easily together with flange in the right wall mesopore of blood pump to change.During treatment blood only with the haematodocha 1 of blood transfusion assembly, advance blood vessel 2, go out blood vessel 3, advance the unidirectional butterfly valve 4 of blood and directly contact with hemorrhage unidirectional butterfly valve 5, assurance does not produce cross infection.In this utility model embodiment, also can about blood pump, all establish flange in the two wall mesopores.
In this utility model embodiment, power is more even by compression in order to make haematodocha 1 in the outer shell cavity, also can on shell, establish a plurality of into and out of the pressure mouth with balance compression forces.
In this utility model embodiment,, haematodocha is designed to two ends bore cylindric less than middle bore for making haematodocha compression and unfolding more fully.
Among this utility model embodiment, haematodocha 1 and advance blood vessel butterfly valve 4, the flap that goes out blood vessel butterfly valve 5 be with high molecular polymer material such as polyamine fat, silicone rubber, and the inwall that advances blood vessel 2 and go out blood vessel 3 scribbles polyamine fat, silicone rubber or heparin etc., in case tampon; Also can scribble the composite bed of polyamine fat, silicone rubber or heparin at described haematodocha 1, the inwall that advances blood vessel 2 and go out blood vessel 3, the flap surface that describedly advance blood vessel butterfly valve 4, goes out blood vessel butterfly valve 5 scribbles the composite bed of polyamine fat, silicone rubber or heparin; In case tampon.
Claims (5)
1. external type capsule formula blood pump of beating, it is characterized in that, constitute by blood pump body and the blood transfusion assembly that can be convenient for changing, the blood pump body comprises tubular shell, is located at the blood pump wall that is respectively equipped with mesopore of shell two ends, be provided with flange in wherein at least one blood pump wall mesopore, described shell is provided with at least one pressure mouth, is used for the fluid that transmit outer drives blood pump; Described blood transfusion assembly comprises by what input to that output is tightly connected successively advancing blood vessel, soft haematodocha, going out blood vessel, describedly advance blood vessel and be provided with into blood check valve, describedly go out blood vessel and be provided with hemorrhage check valve, a wherein said end that is connected haematodocha in advancing blood vessel and going out blood vessel all is provided with a circle flange, and the described outside of advancing blood vessel and going out blood vessel all is provided with screw thread; Describedly advance blood vessel or go out to have at least in the blood vessel pipeline to insert in the flange in the blood pump wall mesopore, fix with the blood vessel nut seal; Another root pipeline inserts in another blood pump wall mesopore, or inserts in the interior flange of another blood pump wall mesopore, fixes with the blood vessel nut seal; Described haematodocha is located at the intracavity of shell.
2. the external type capsule formula blood pump of beating according to claim 1 is characterized in that the haematodocha in the described blood pump is the soft capsule of cylinder two ends bore less than middle bore for the centre.
3. the external type capsule formula blood pump of beating according to claim 1 is characterized in that the tubular shell of described blood pump body is the tubular shell.
4. the external type capsule formula blood pump of beating according to claim 1 is characterized in that described check valve is unidirectional butterfly valve.
5. according to any one described external type capsule formula blood pump of beating in the claim 1 to 4, it is characterized in that, described haematodocha, the inwall that advances blood vessel and go out blood vessel scribble the composite bed of polyamine fat, silicone rubber or heparin, and the flap surface that describedly advance the blood vessel butterfly valve, goes out the blood vessel butterfly valve scribbles the composite bed of polyamine fat, silicone rubber or heparin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200725143U CN201055545Y (en) | 2007-07-17 | 2007-07-17 | External beating type vesicle shaped blood pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200725143U CN201055545Y (en) | 2007-07-17 | 2007-07-17 | External beating type vesicle shaped blood pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201055545Y true CN201055545Y (en) | 2008-05-07 |
Family
ID=39424389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200725143U Expired - Fee Related CN201055545Y (en) | 2007-07-17 | 2007-07-17 | External beating type vesicle shaped blood pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201055545Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112386791A (en) * | 2020-12-18 | 2021-02-23 | 李建朝 | Bionic blood pump |
| CN112423831A (en) * | 2018-02-20 | 2021-02-26 | 秋心医疗护理有限公司 | Collapsible adjustable vascular treatment device, independently and dynamically controlled chargeable and dischargeable advanced cuff for blood vessels or capsule walls and the like, and electrocardiographic assistance device |
-
2007
- 2007-07-17 CN CNU2007200725143U patent/CN201055545Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423831A (en) * | 2018-02-20 | 2021-02-26 | 秋心医疗护理有限公司 | Collapsible adjustable vascular treatment device, independently and dynamically controlled chargeable and dischargeable advanced cuff for blood vessels or capsule walls and the like, and electrocardiographic assistance device |
| CN112423831B (en) * | 2018-02-20 | 2024-03-08 | 启心医疗护理有限公司 | Foldable and adjustable vascular treatment equipment, advanced cuffs that can be independently and dynamically controlled charge and discharge for blood vessels or cyst walls, and cardiac assist equipment |
| CN112386791A (en) * | 2020-12-18 | 2021-02-23 | 李建朝 | Bionic blood pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20130717 |