CN202569021U - Cardiac circulation assistance system - Google Patents
Cardiac circulation assistance system Download PDFInfo
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- CN202569021U CN202569021U CN 201220107317 CN201220107317U CN202569021U CN 202569021 U CN202569021 U CN 202569021U CN 201220107317 CN201220107317 CN 201220107317 CN 201220107317 U CN201220107317 U CN 201220107317U CN 202569021 U CN202569021 U CN 202569021U
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- heart
- cystidium
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- blood circulation
- intensity
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Abstract
The utility model provides a cardiac circulation assistance system which comprises a beat sensor generating a beat signal in the systole process, a control device receiving the beat signal and generating a telescopic control signal synchronously and a beat assistance device implanted into a ventricle of a patient for response to the telescopic control signal to expand or shrink so as to assist in ventricular systole. The cardiac circulation assistance system can provide synchronous power assistance for heart beat and is accordance with the physiological change of the heart beat; in addition, the assistance intensity can be adjusted appropriately, so that the problem that the cardiac load is reduced excessively is solved, and the recovery of the heart is facilitated.
Description
Technical field
This utility model relates to the medical equipment apparatus field, relates in particular to a kind of heart assistance blood circulation.
Background technology
Effectively treat for the patients with terminal that gives heart failure, be necessary to carry out the implantation of mechanical cardiac assist devices so that prolong its life.Be different from the artificial heart; Cardiac assist devices is not excised and is replaced original ventricular structure; But keep original heart global tissue structure, simultaneously for the heart of losing the ability of normally beating owing to the myocardial function decline provides power-assisted, thereby realize blood circulation.Common artificial heart's auxiliary facilities comprises the blood pump of implanting the thoracic cavity; The pipeline of this blood pump inserts the atrium; Blood is through pressurizeing in this pipeline inflow pump; Be pumped to arteries then, thereby make the cardiac function of a blood pump performance part, alleviate cardiac load and help to recover the heartthrob ability.But this equipment causes thromboembolism easily, has certain danger, and life cycle is shorter usually.On the other hand, the work of blood pump can not be synchronous with heartbeat, thereby can not adapt with the variation of heart internal physiology pressure, and influence is to the miscellaneous function of heart.And because patient's individual variation, blood pump might exceedingly reduce cardiac load, causes part to use the patient problem that myocardial fibrosis increases to occur, and is unfavorable for that heart recovers normal function.
The utility model content
To the problems referred to above of the prior art; This utility model a kind of heart assistance blood circulation is provided; Can synchronous power-assisted be provided to heartbeat, coordinate mutually, and can suitably adjust additional strength with the physiological change that heart self is beaten; Avoid excessively reducing the problem of cardiac load, help heart and recover normal function.
The heart assistance blood circulation that this utility model provides comprises: the pick off of beating, the signal of beating that when heart contraction, produces; Control device receives said signal and the synchronized generation extension and contraction control signal of beating; PAD is implanted patient's heart ventricle inside, responds said extension and contraction control signal and expands or reduced volume is shunk with auxiliary ventricle.
Preferably; Said PAD comprises: implant the inner fixed support of patient's ventricle; Be installed in the scalable cystidium on the said fixed support; Be contained in the inner fluid media (medium) of said scalable cystidium, and respond the pump that said contraction control signal charges into said fluid media (medium) or extract out said scalable cystidium.Further preferably, said scalable cystidium is connected through medium pipeline with said pump, and said scalable cystidium has anti-blocking supporting construction with the medium pipeline junction.The cyst wall of said scalable cystidium comprises flexible outer layer that contacts blood and the internal layer that plays shape maintenance effect.
Preferably; Said heart assistance blood circulation further comprises: the intensity sensor of gathering the intensity of pressure signal of heartbeat; And the intensity adjustments device, according to the total amount that charge into or extract and the speed of the said pump of said intensity of pressure Signal Regulation to said fluid media (medium).Further preferably, said intensity sensor is chambers of the heart pressure transducer or venous pressure pick off; Said intensity adjustments device further comprises the cystidium pressure sensor, detects said scalable cystidium pressure inside.
It is thus clear that; The heart assistance blood circulation of this utility model places heart inside and utilizes the mechanical-stretching effect to heartbeat synchronous power-assisted to be provided; Different with traditional cardiac assist devices operation mechanism that utilizes blood pump to pressurize; Can avoid the generation of thromboembolism, prolong service life of equipment; The physiological change that the operation of native system and heart self are beaten is synchronous, and can suitably adjust additional strength, avoids excessively reducing the problem of cardiac load, helps heart and recovers normal function, for heart failure patient's treatment and rehabilitation provides new approach.
Description of drawings
Fig. 1 is the overall structure block diagram of this utility model embodiment;
Fig. 2 is the PAD frame for movement sketch map of this utility model embodiment.
The specific embodiment
By the technology contents, the structural feature that specify this utility model, realized purpose and effect, know clearly below in conjunction with the specific embodiment and conjunction with figs. and give explanation.
The ultimate principle of the heart assistance blood circulation of this utility model is in the frame for movement that can expand and shrink of the inner implantation of heart; When heart shrinks the expansion and when diastole, bounce back; Thereby regulate the ventricle inner space with the synchronised ground of beating naturally of heart; Assist and blood circulation promoting, suitably reduce cardiac load, the treatment heart failure also helps restore funcitons.
Fig. 1 is the overall structure block diagram of this utility model embodiment.As shown in Figure 1, the heart assistance blood circulation that this utility model provides comprises: the pick off 10 of beating, when heart contraction, respond to and the signal of beating of generation; Control device 20 receives said signal and the synchronized generation extension and contraction control signal of beating; It is inner that PAD 30 is implanted the patient's heart ventricle; Respond said extension and contraction control signal and expand or reduced volume is shunk with auxiliary ventricle; When being heart contraction; Control device 20 is synchronously controlled PAD 30 expansions and is promoted blood to extrude with further compression ventricle inner space; Shrink so that enlarge the ventricle internal capacity and synchronously control PAD 30, thereby pass through the auxiliary and blood circulation promoting of mechanism, suitably reduce cardiac load when heart expansion timed unit 20.Control device 20 is beaten fully synchronously the work of heart assistance blood circulation and the physiology of heart, thereby coordinates mutually with the pressure variation of the inner nature of heart.
Fig. 2 is the frame for movement sketch map of said PAD.This device comprises implants the inner fixed support 301 of patient's ventricle; Be installed in the scalable cystidium 302 on the said fixed support; Be contained in the inner fluid media (medium) 303 of said scalable cystidium, and respond the pump 304 that said contraction control signal charges into said fluid media (medium) or extract out said scalable cystidium.Fixed support 301 contacts with wall of the heart and plays fixation; Said scalable cystidium 302 is connected through medium pipeline 305 with said pump 304; Pump 304 charges into or extracts out said scalable cystidium 302 (flow direction when representing that with the arrow among the figure its quilt charges into) via said medium pipeline 305 with fluid media (medium) 303; Thereby drive the expansion (solid line is represented scalable cystidium 302 expansion states among Fig. 2) or the contraction (dotted line is represented scalable cystidium 302 contraction states among Fig. 2) of scalable cystidium 302, fluid media (medium) 303 can be liquid or gas.Said scalable cystidium 302 has anti-blocking supporting construction 306 with medium pipeline 305 junctions, avoids scalable cystidium 302 under contraction state, to fit so that occlusion of openings with the opening of medium pipeline 305 junctions.The cyst wall of said scalable cystidium 302 comprises flexible outer layer that contacts blood and the internal layer that plays shape maintenance effect.
Again referring to Fig. 1; For the function that makes said heart assistance blood circulation and the physiology ability of beating of heart itself adapt; Avoiding excessively reducing cardiac load causes myocardial fibrosis to damage the problem that cardiac function recovers; Said system further comprises: the intensity sensor 40 of gathering the intensity of pressure signal of heartbeat; Said intensity sensor 40 is chambers of the heart pressure transducer or venous pressure pick off, obtains the chambers of the heart intensity of pressure or venous pressure intensity, the physiology that has reflected heart itself ability of beating; Intensity adjustments device 50 is according to the total amount that charges into or extract out and the speed of 304 pairs of said fluid media (medium)s 303 of said pump of said intensity of pressure Signal Regulation PAD 30; Charge into scalable cystidium 302 in right amount in order accurately to control fluid media (medium) 303; Said intensity adjustments device 50 further comprises cystidium pressure sensor (not shown), detects said scalable cystidium pressure inside.
To sum up, the heart assistance blood circulation of this utility model places heart inside and utilizes the mechanical-stretching effect to heartbeat synchronous power-assisted to be provided, and can avoid the generation of thromboembolism, prolongs service life of equipment; The physiological change that the operation of native system and heart self are beaten is synchronous, and can suitably adjust additional strength, avoids excessively reducing the problem of cardiac load, helps heart and recovers normal function, for heart failure patient's treatment and rehabilitation provides new approach.
The above is merely the embodiment of this utility model; Be not thus the restriction this utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes this utility model description and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of this utility model.
Claims (7)
1. a heart assistance blood circulation is characterized in that, comprising:
The pick off of beating, the signal of beating that when heart contraction, produces;
Control device receives said signal and the synchronized generation extension and contraction control signal of beating;
PAD is implanted patient's heart ventricle inside, responds said extension and contraction control signal and expands or reduced volume is shunk with auxiliary ventricle.
2. heart assistance blood circulation according to claim 1; It is characterized in that; Said PAD comprises: implant the inner fixed support of patient's ventricle; Be installed in the scalable cystidium on the said fixed support, be contained in the inner fluid media (medium) of said scalable cystidium, and respond the pump that said contraction control signal charges into said fluid media (medium) or extract out said scalable cystidium.
3. heart assistance blood circulation according to claim 2 is characterized in that, said scalable cystidium is connected through medium pipeline with said pump, and said scalable cystidium has anti-blocking supporting construction with the medium pipeline junction.
4. heart assistance blood circulation according to claim 2 is characterized in that, the cyst wall of said scalable cystidium comprises flexible outer layer that contacts blood and the internal layer that plays shape maintenance effect.
5. heart assistance blood circulation according to claim 2 is characterized in that, said heart assistance blood circulation further comprises:
Gather the intensity sensor of the intensity of pressure signal of heartbeat; And
The intensity adjustments device is according to the total amount that charge into or extract and the speed of the said pump of said intensity of pressure Signal Regulation to said fluid media (medium).
6. heart assistance blood circulation according to claim 5 is characterized in that, said intensity sensor is chambers of the heart pressure transducer or venous pressure pick off.
7. heart assistance blood circulation according to claim 5 is characterized in that, said intensity adjustments device further comprises the cystidium pressure sensor, detects said scalable cystidium pressure inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220107317 CN202569021U (en) | 2012-03-21 | 2012-03-21 | Cardiac circulation assistance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220107317 CN202569021U (en) | 2012-03-21 | 2012-03-21 | Cardiac circulation assistance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202569021U true CN202569021U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220107317 Expired - Fee Related CN202569021U (en) | 2012-03-21 | 2012-03-21 | Cardiac circulation assistance system |
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| Country | Link |
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| CN (1) | CN202569021U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548229A (en) * | 2014-12-25 | 2015-04-29 | 镇江丰成民用联网设备科技有限公司 | Heart-assisted pulsing beating system based on piezoelectric effect |
| CN106456855A (en) * | 2014-03-17 | 2017-02-22 | 纽哈特股份公司 | Percutaneous system, devices and methods |
| CN107875466A (en) * | 2017-11-07 | 2018-04-06 | 广州启骏生物科技有限公司 | A kind of heart assistance pumping system |
-
2012
- 2012-03-21 CN CN 201220107317 patent/CN202569021U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106456855A (en) * | 2014-03-17 | 2017-02-22 | 纽哈特股份公司 | Percutaneous system, devices and methods |
| CN104548229A (en) * | 2014-12-25 | 2015-04-29 | 镇江丰成民用联网设备科技有限公司 | Heart-assisted pulsing beating system based on piezoelectric effect |
| CN107875466A (en) * | 2017-11-07 | 2018-04-06 | 广州启骏生物科技有限公司 | A kind of heart assistance pumping system |
| CN107875466B (en) * | 2017-11-07 | 2019-01-11 | 广州启骏生物科技有限公司 | A kind of heart assistance pumping system |
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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: 20121205 Termination date: 20150321 |
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| EXPY | Termination of patent right or utility model |