CN201139813Y - Aorta exterior air chamber counterpulsation type heart chamber auxiliary pump - Google Patents
Aorta exterior air chamber counterpulsation type heart chamber auxiliary pump Download PDFInfo
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- CN201139813Y CN201139813Y CNU2008200917260U CN200820091726U CN201139813Y CN 201139813 Y CN201139813 Y CN 201139813Y CN U2008200917260 U CNU2008200917260 U CN U2008200917260U CN 200820091726 U CN200820091726 U CN 200820091726U CN 201139813 Y CN201139813 Y CN 201139813Y
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- aorta
- auxiliary pump
- heart chamber
- eounterpulsation
- type heart
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Abstract
The utility model provides an outer aorta balloon counterpulsation type ventricle auxiliary pump, which comprises a hard shell, an air chamber, an air inlet pipe which connects a driving device and the outer aorta balloon counterpulsation type ventricle auxiliary pump, and a blood pipe for the flow of the blood and connecting the back aorta and the ventricle auxiliary pump, wherein, the air chamber divides the hard shell into an air holing cavity and a blood holding cavity. Compared with the prior inner aorta balloon counterpulstion bump, the outer aorta balloon counterpulsation type ventricle auxiliary pump has the advantages of simple structure, low production cost, convenient use and high use security, and can be put in the chest or out of the body when in operation or in the operation or after the operation, has a closer installation position to the heart, thereby having good effects of after-loading reduction of the left ventricle and blood supply improvement of the coronary artery, stable curative effect. The thrombus is uneasy to be caused because the in and out of the blood is in one pipe.
Description
Technical field
This utility model relates to medical instruments field, relates in particular to a kind of disease treatment and operation medical apparatus and instruments.
Background technology
To cause that the left heart shrinks unable when the various causes of disease, when being difficult to discharge enough blood volumes, can strengthen cardiac systolic function to increase blood discharge amount with medicine, but still have many patients to be difficult to improve, add the influence of hypotension, often form vicious cycle, finally cause patient death the coronary artery blood supply.Normal at present application intra-aortic balloon counterpulsation is improved above-mentioned situation, intra-aortic balloon counterpulsation pump (Intra-aortic Ballon pump, IABP) be one of the support method of mechanical assistance systemic circulation, since C1auss in 1967 is used for clinical cardiogenic shock first, domesticly be widely used in recent years.It implants the far-end of the conduit of a band air bag to the subclavian artery opening by femoral artery, at the diastole airbag aeration, improves aortic diastolic pressure, increases coronary blood flow, thereby increases blood supply of cardiac muscle; Air bags before paradoxical expansion, aortic pressure reduces, and reduces cardiac afterload, reduces and penetrates the blood resistance, thereby reduce myocardial oxygen consumption, plays the effect of accessory heart.Though the moving device of intra-aortic balloon counterpulsation has certain effect, but a part of patient is because arteriosclerosis, buckling of vessel, deformity, be difficult to put into, with far, it alleviates and the improvement of coronary artery blood supply also just is greatly affected left chamber afterload at left subclavian artery in the position of its placement in addition, and the uncertainty of curative effect has also just produced.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of and not only helps the cardiac function recovery but also can alleviate patient's heart operation misery, the aorta eounterpulsation type heart chamber auxiliary pump of stable curative effect.
For achieving the above object, the technical solution of the utility model is:
A kind of aorta eounterpulsation type heart chamber auxiliary pump, by the air inlet pipe of hard shell body, air bag, connection driving device and described aorta eounterpulsation type heart chamber auxiliary pump, and connect the mobile blood conduit composition of blood supply liquid between aorta posterior and described heart chamber auxiliary pump; Described air bag is divided into hard shell body and holds air cavity and hold haemocoele.
Cell edges is connected with the hard shell body inwall.
Described hard shell body is divided into and holds air cavity and hold haemocoele, and appearance air cavity edge has a circle limit is installed, and holds the haemocoele edge and has the installation groove that a circle matches with described installation limit, and described cell edges is fixed between mounting groove and the installation limit.
Described hard shell body is made with non-toxic plastic, lucite, glass or metal material.
Described hard shell body is circle, oval, prismatic, cylindrical.
The capacity of described hard shell body is 10ml-200ml.
Described air bag is made with macromolecular material, plastics or biomembrane, and the capacity of described air bag is 10ml-200ml.
Described macromolecular material is polyamine fat, silicone rubber, silica gel or rubber, and described plastics are polyethylene or politef.
Can drive by all gases driving device when aorta eounterpulsation type heart chamber auxiliary pump uses, also can drive by liquid driving device.
The pipeline that connects between aorta and this heart chamber auxiliary pump when the aorta eounterpulsation type heart chamber auxiliary pump uses can be various heart cathetrizations, also can be various artificial blood vessels, can also be the combination of the two.
This utility model aorta eounterpulsation type heart chamber auxiliary pump is placed in ascending aorta, and the aorta eounterpulsation type heart chamber auxiliary pump produces negative pressure at paradoxical expansion, blood is inhaled into the appearance haemocoele, aortic pressure descends, and reduces cardiac afterload, reduces and penetrates the blood resistance; The aorta eounterpulsation type heart chamber auxiliary pump is at diastole, produce malleation, blood is driven the inflow aorta, diastolic pressure improves, blood flow to coronary artery and each organ of whole body from aorta, make heart especially the workload of doing of left ventricle lower greatly, and blood is for improving greatly, thereby help the recovery of cardiac function, especially be fit to break away from cardiopulmonary bypass unit and place the patient that intra-aortic balloon counterpulsation lost efficacy behind the operation on heart.
This utility model compare with existing intra-aortic balloon counterpulsation pump have simple in structure, production cost is low, and it is easy to use, advantage safe to use, in the process of operation and post-operative recovery, this utility model both can place also can place in the thoracic cavity external, because of its installation site and heart close together, its to left chamber afterload alleviate and effective to the improvement of coronary artery blood supply, stable curative effect.Blood passes in and out from a pipeline, is difficult for producing thrombosis.
Cell edges described in the utility model is installed in the installation limit that holds air cavity and between the installation groove that holds haemocoele, closely presses together with groove is installed because the limit is installed, and air bag is difficult for having increased the ability that air bag bears pressure from wherein coming off.
Description of drawings
Fig. 1 is this utility model aorta eounterpulsation type heart chamber auxiliary pump vertical profile exploded view.
The primary clustering symbol description
1, air inlet pipe 2, blood conduit
3, limit 4, installation groove are installed
5, hold air cavity 6, appearance haemocoele
7, air bag 8, hard shell body
The specific embodiment
See also Fig. 1, a kind of aorta eounterpulsation type heart chamber auxiliary pump, by the air inlet pipe 1 of hard shell body 8, air bag 7, connection driving device and described aorta eounterpulsation type heart chamber auxiliary pump, and connect mobile blood conduit 2 compositions of blood supply liquid between aorta posterior and described heart chamber auxiliary pump; Described hard shell body is divided into and holds air cavity 5 and hold haemocoele 6, holding air cavity 5 is connected with air inlet pipe 1, holding haemocoele 6 is connected with blood conduit 2, hold the air cavity edge and have a circle installation limit 3, hold the haemocoele edge and have the installation groove 4 that a circle matches with described installation limit, described cell edges is fixed in mounting groove and installs between the limit.
The capacity of described hard shell body is 80ml, and any number between all right 10ml-200ml for making with non-toxic plastic, lucite, glass or metal material, can be circle, oval, prismatic, cylindrical or other geometry.
The capacity of described air bag is 80ml, any number between all right 10ml-200ml, make with plastics such as macromolecular materials such as polyamine fat, silicone rubber, silica gel or rubber, polyethylene or polytetrafluoroethylene (PTFE) or biomembrane, can also make with other resilient material.
The inner surface that holds haemocoele must be smooth, and the material that inner surface uses must lack antigenicity, apyrogenetity; Damage or destruction to blood formed element are little, and its shape will meet principle of hemodynamics, produces eddy current in the blood flow process less as far as possible.
Air bag has dilatancy and stronger nerve preferably, and its employed material should have toughness and invulnerability preferably, and better biocompatibility, and the surface is smooth, and visible component destruction and damage to blood in the process of expanding and dwindling are little.
Can drive by all gases driving device when aorta eounterpulsation type heart chamber auxiliary pump uses, also can drive by liquid driving device.
The pipeline that connects between aorta and this heart chamber auxiliary pump when the aorta eounterpulsation type heart chamber auxiliary pump uses can be various heart cathetrizations, also can be various artificial blood vessels, can also be the combination of the two.
Basic functional principle and effect:
Utilize the exogenous pneumatic or driving device that surges to the air bag generation effect in this aorta eounterpulsation type heart chamber auxiliary pump, the aorta eounterpulsation type heart chamber auxiliary pump is at paradoxical expansion, utilize the exogenous pneumatic or driving device generation negative pressure of surging, blood is inhaled into the appearance haemocoele, aortic pressure descends, reduce cardiac afterload, reduce and penetrate the blood resistance; The aorta eounterpulsation type heart chamber auxiliary pump is at diastole, utilize the exogenous pneumatic or driving device generation malleation of surging, blood is driven the inflow aorta, diastolic pressure improves, blood flow to coronary artery and each organ of whole body from aorta, make the blood one-in-and-one-out form pulsate flow, alleviate greatly heart especially left ventricle do workload, and improve blood greatly and supply, thereby help the recovery of cardiac function, especially be fit to break away from cardiopulmonary bypass unit and place the patient that intra-aortic balloon counterpulsation lost efficacy behind the operation on heart.
Experimental example
Experiment material: hybrid domesticated dog, body weight between 30 to 42kg, 1 of female dog, 3 of male dogs.
Experimental technique: domesticated dog is placed horizontal position, breast is opened in the center, the rip cutting pericardium, insert the 22# arterial cannulation in root of ascending aorta, at right innominate artery extrapolation tremulous pulse needle for measuring blood pressue, settle (80ml) to be connected the aorta eounterpulsation type heart chamber auxiliary pump of embodiment 1 with aortic cannulation, the middle 10mm diameter tube of using, long 15cm drives with Berlin Heart artificial heart driving device and drives frequency 75 times/minute, record basal heart rate before counter at every turn the fighting, basic blood pressure, recorded heart rate and blood pressure once more after counter the fighting 5 minutes, 15 minutes counter once more the fighting of having a rest.Every animal peek value 5 times, 4 dogs be peek value 20 times altogether, and to the capable pair analysis of each numerical value (t check) before and after counter the fighting.
Experimental result: see Table 1, found that the aorta eounterpulsation can obviously lower systolic pressure, obviously improve diastolic pressure simultaneously, similar to the anti-therapeutic effect of fighting that has, no ramus descendens anterior arteriae coronariae sinistrae ligation left anterior descending coronary artery produces acute left heart failure.
Blood pressure situation before and after table 1 is beaten
| Before counter the fighting | After counter the fighting | N | The P value | T value | |
| Systolic pressure mmhg diastolic pressure mmhg before the LAD ligation | 86±5.9 72.2±3.6 | 76.6±4.2 94.1±3.5 | 20 20 | ＜0.1 ＜0.1 | 9.569 7.617 |
| Mmhg diastolic pressure mmhg is pressed in LAD ligation after-contraction | 72.9±6.0 58.3±6.7 | 61.8±7.6 80.2±6.2 | 20 20 | ＜0.1 ＜0.1 | 9.299 4.634 |
Annotate: the LAD ligation is the abbreviation of ramus descendens anterior arteriae coronariae sinistrae ligation.
Claims (8)
1, aorta eounterpulsation type heart chamber auxiliary pump, it is characterized in that:, and connect the mobile blood conduit composition of blood supply liquid between aorta posterior and described heart chamber auxiliary pump by the air inlet pipe of hard shell body, air bag, connection driving device and described aorta eounterpulsation type heart chamber auxiliary pump; Described air bag is divided into hard shell body and holds air cavity and hold haemocoele.
2, aorta eounterpulsation type heart chamber auxiliary pump according to claim 1 is characterized in that: cell edges is connected with the hard shell body inwall.
3, aorta eounterpulsation type heart chamber auxiliary pump according to claim 1, it is characterized in that: described hard shell body is divided into and holds air cavity and hold haemocoele, hold the air cavity edge and have a circle installation limit, hold the haemocoele edge and have the installation groove that a circle matches with described installation limit, described cell edges is fixed in mounting groove and installs between the limit.
4, aorta eounterpulsation type heart chamber auxiliary pump according to claim 1, it is characterized in that: described hard shell body is made with non-toxic plastic, lucite, glass or metal material.
5, aorta eounterpulsation type heart chamber auxiliary pump according to claim 1 is characterized in that: described hard shell body is for being circle, oval, prismatic, cylindrical.
6, aorta eounterpulsation type heart chamber auxiliary pump according to claim 1 is characterized in that: the capacity of described hard shell body is 10ml-200ml.
7, aorta eounterpulsation type heart chamber auxiliary pump according to claim 1, it is characterized in that: described air bag is made with macromolecular material, plastics or biomembrane, and the capacity of described air bag is 10ml-200ml.
8, aorta eounterpulsation type heart chamber auxiliary pump according to claim 7 is characterized in that: described macromolecular material is polyamine fat, silicone rubber, silica gel or rubber, and described plastics are polyethylene or politef.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200917260U CN201139813Y (en) | 2008-01-17 | 2008-01-17 | Aorta exterior air chamber counterpulsation type heart chamber auxiliary pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200917260U CN201139813Y (en) | 2008-01-17 | 2008-01-17 | Aorta exterior air chamber counterpulsation type heart chamber auxiliary pump |
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| Publication Number | Publication Date |
|---|---|
| CN201139813Y true CN201139813Y (en) | 2008-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200917260U Expired - Fee Related CN201139813Y (en) | 2008-01-17 | 2008-01-17 | Aorta exterior air chamber counterpulsation type heart chamber auxiliary pump |
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| CN (1) | CN201139813Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101485907B (en) * | 2008-01-17 | 2011-05-11 | 姬尚义 | Extra-aortic ballon counterpulsation type heart ventricle auxiliary pump |
| CN108653840A (en) * | 2017-03-31 | 2018-10-16 | 广东省心血管病研究所 | Cryptomere chamber lung auxiliary circulating equipment |
-
2008
- 2008-01-17 CN CNU2008200917260U patent/CN201139813Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101485907B (en) * | 2008-01-17 | 2011-05-11 | 姬尚义 | Extra-aortic ballon counterpulsation type heart ventricle auxiliary pump |
| CN108653840A (en) * | 2017-03-31 | 2018-10-16 | 广东省心血管病研究所 | Cryptomere chamber lung auxiliary circulating equipment |
| CN108653840B (en) * | 2017-03-31 | 2019-08-20 | 广东省心血管病研究所 | Cryptomere chamber lung auxiliary circulating equipment |
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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 |
Granted publication date: 20081029 Termination date: 20130117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |