CN104606730A - Pulse-type ventricular assist instrument - Google Patents
Pulse-type ventricular assist instrument Download PDFInfo
- Publication number
- CN104606730A CN104606730A CN201510087348.3A CN201510087348A CN104606730A CN 104606730 A CN104606730 A CN 104606730A CN 201510087348 A CN201510087348 A CN 201510087348A CN 104606730 A CN104606730 A CN 104606730A
- Authority
- CN
- China
- Prior art keywords
- push pedal
- ventricular assist
- motor driving
- haemocoele
- driving part
- 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.)
- Granted
Links
- 230000002861 ventricular Effects 0.000 title claims abstract description 33
- 239000008280 blood Substances 0.000 claims abstract description 28
- 210000004369 blood Anatomy 0.000 claims abstract description 28
- 230000010349 pulsation Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 210000000709 aorta Anatomy 0.000 claims description 4
- 239000007779 soft material Substances 0.000 abstract 2
- 230000010100 anticoagulation Effects 0.000 abstract 1
- 210000001367 artery Anatomy 0.000 abstract 1
- 206010019280 Heart failures Diseases 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003146 anticoagulant agent Substances 0.000 description 2
- 229940127219 anticoagulant drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 206010007559 Cardiac failure congestive Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000010338 mechanical breakdown Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Mechanical Engineering (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a pulse-type ventricular assist instrument which comprises a shell. The shell comprises a blood storing and expelling cavity and a motor drive part inside, an inflow catheter and an outflow catheter are respectively arranged at two ends of the blood storing and expelling cavity, the inflow catheter is connected with the left ventricular apex during use, the outflow catheter is connected with the artery, and both the inflow catheter and the outflow catheter are internally provided with valves; a push plate provided with a valve is arranged in the blood storing and expelling cavity and divides the same into a front chamber and a rear chamber, the periphery of the push plate is connected with the inner wall of the blood storing and expelling cavity through a soft material, the inner side of the push plate is rigidly fixed to the motor drive part, the rigidly fixed part is wrapped with the soft material, and the motor drive part drives the push plate to swing forwards or backwards regularly. The pulse-type ventricular assist instrument is simple in structure, durable, low in anticoagulation request and good in clinical prospect.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of ventricular assist device.
Background technology
Along with the progress of aged tendency of population, the sickness rate of endstage cardiac insufficiency constantly increases, and has already become the main cause of heart disease death.Endstage cardiac insufficiency patient prognosis is dangerous, treats thorny, is the huge difficult problem that the inside and outside section of clinical cardiovascular faces.
The treatment of current endstage cardiac insufficiency is except medicine and heart transplantation, main dependence Mechanical circulatory support, mechanical assistance circulation refers to uses made machinery, replace the blood-pumping function of heart wholly or in part, complete the permanent treatment of the bridging therapy before heart transplantation or heart function recovery.Up-to-date Mechanical circulatory support, based on left ventricular assist device, comprises intraaortic balloon pump, external membrane lung and total artificial heart etc.In recent years, along with the development of mechanical engineering, hydrodynamics, materialogy and Medical Technology, the case of mechanical assistance treatment congestive heart failure gets more and more, and clinical trial also demonstrates its benefit in different heart failure patient.But in clinical practice, every complication such as hemorrhage, thrombosis, infection, the mechanical breakdown etc. of Mechanical circulatory support treatment still annoying clinical medical personnel.
Design that a kind of structure is simple, ventricular assist device that durable, anticoagulant requirement are low, effectively can reduce complication, be Current therapeutic heart failure institute problem demanding prompt solution in whole latter stage.
Summary of the invention
The present invention provides a kind of pulsation type ventricular assist device to solve deficiency of the prior art.The design's structure is simple, and durable, anticoagulant require low, have good potential applicability in clinical practice.
For achieving the above object, the technical solution used in the present invention is:
A kind of pulsation type ventricular assist device, comprise housing, comprise storage blood in housing and get haemocoele room and motor driving part divides, described storage blood drives two ends, haemocoele room and is respectively inflow catheter and flows out conduit, during use, inflow catheter is connected with left ventricular apex, flow out conduit to be connected with aorta, in inflow catheter and outflow conduit, be equipped with valve; Storage blood drives the push pedal that haemocoele indoor are provided with valve, storage blood is driven haemocoele room and is separated into cup and rear room by push pedal, push pedal surrounding is got haemocoele chamber interior walls by flexible material with storage blood and is connected, divide with motor driving part inside push pedal and rigidly fix, rigidly fix part to be wrapped up by flexible material, motor driving part divides and drives that push pedal is regular swings forward or backward.
As a kind of preferred version of pulsation type ventricular assist device of the present invention, described storage blood is driven haemocoele room and motor driving part and divides and separated by flexible material.
As a kind of preferred version of pulsation type ventricular assist device of the present invention, described motor driving part divides and comprises push pedal Bearing gear, reduction gearing and ultrasound electric machine, ultrasound electric machine drives push pedal Bearing gear regular forward or reverse by reduction gearing, and push pedal and push pedal Bearing gear are fixed and regularly along with the rotation of push pedal gear to be swung forward or backward.
As a kind of preferred version of pulsation type ventricular assist device of the present invention, described motor driving part divides and also comprises power supply and control wire harness.
As a kind of preferred version of pulsation type ventricular assist device of the present invention, described motor driving part divides and also comprises reserve battery.
Accompanying drawing explanation
Fig. 1 is pulsation type ventricular assist device schematic diagram provided by the invention.
Fig. 2 is drive part and push pedal junction schematic diagram.
Fig. 3 is the ventricular assist device A-A of pulsation type shown in Fig. 1 face structural representation.
Fig. 4 is that described pulsation type ventricular assist device penetrates blood schematic diagram.
Fig. 5 is the described congested schematic diagram of pulsation type ventricular assist device.
Wherein: 1, inflow catheter 2, flow out conduit 3,4, valve 5, flexible material 6, valve 7, push pedal 8, push pedal Bearing gear 9, reduction gearing 10, ultrasound electric machine 11, flexible material 12, power supply and control wire harness 13, housing 14, reserve battery
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of pulsation type ventricular assist device, comprises housing 13, comprises storage blood and drive haemocoele room and motor driving part divides in housing 13.Storage blood drives two ends, haemocoele room and is respectively inflow catheter 1 and flows out conduit 2, and during use, inflow catheter 1 is connected with left ventricular apex, flows out conduit 2 and is connected with aorta, and inflow catheter is equipped with valve 3,4 with flowing out in conduit.Storage blood drives the push pedal 7 that haemocoele indoor are provided with valve 6, storage blood is driven haemocoele room and is separated into cup and rear room by push pedal, valve 6 can only from cup backward room one direction open, push pedal 7 surrounding is driven haemocoele chamber interior walls by flexible material 5,11 etc. with storage blood and is connected, the push pedal Bearing gear 8 divided with motor driving part inside push pedal 7 is fixed, push pedal Bearing gear 8 is driven haemocoele room with storage blood and separates by flexible material 11, and push pedal 7 is regular along with the rotation of push pedal Bearing gear 8 to be swung forward or backward.Reduction gearing 9 is engaged mutually with push pedal Bearing gear 8, and reduction gearing 9 is connected with the power transmission shaft of ultrasound electric machine 10, and ultrasound electric machine 10 is regular under power supply and control wire harness 12 control to be rotated and reverse.In housing 13, be also provided with reserve battery 14, still can continue normal work when external power supply accident power-off, and not meet accident.
First complete inflow catheter 1 to be connected with left ventricular apex, abundant aerofluxus, then flow out conduit 2 and be connected with aorta, namely complete the implantation of ventricular assist device.As described in Figure 4, when ventricular systole, Triggered ultrasound motor 10 rotates clockwise, push pedal 7 is driven to swing backward, valve 6 in push pedal is closed, discharged by flowing out conduit 2 by the blood of rear room, the part row blood of left room makes cup fill by inflow catheter 1, completes ventricular assist device row's blood and congested two processes simultaneously.As described in Figure 5, after ventricular systole stops, motor 10 is rotated counterclockwise, and drive push pedal 7 to playback, the valve 6 in push pedal is opened, and makes blood full in ventricular assist device move to rear room from cup, ready for arranging blood next time, completes a circulation.
Although be illustrated embodiments of the present invention in description, these embodiments just as prompting, should not limit protection scope of the present invention.Carry out various omission, displacement and change without departing from the spirit and scope of the present invention all should be included in protection scope of the present invention.
Claims (5)
1. a pulsation type ventricular assist device, it is characterized in that: comprise housing, comprise storage blood in housing and drive haemocoele room and motor driving part divides, described storage blood drives two ends, haemocoele room and is respectively inflow catheter and flows out conduit, during use, inflow catheter is connected with left ventricular apex, flow out conduit to be connected with aorta, in inflow catheter and outflow conduit, be equipped with valve; Storage blood drives the push pedal that haemocoele indoor are provided with valve, storage blood is driven haemocoele room and is separated into cup and rear room by push pedal, the surrounding of push pedal is driven haemocoele chamber interior walls by flexible material with storage blood and is connected, divide with motor driving part inside push pedal and rigidly fix, rigidly fix part to be wrapped up by flexible material, motor driving part divides and drives that push pedal is regular swings forward or backward.
2. pulsation type ventricular assist device according to claim 1, is characterized in that: described storage blood is driven haemocoele room and motor driving part and divides and separated by flexible material.
3. pulsation type ventricular assist device according to claim 1, it is characterized in that: described motor driving part divides and comprises push pedal Bearing gear, reduction gearing and ultrasound electric machine, ultrasound electric machine drives push pedal Bearing gear regular forward or reverse by reduction gearing, and push pedal and push pedal Bearing gear are fixed and regularly along with the rotation of push pedal gear to be swung forward or backward.
4. pulsation type ventricular assist device according to claim 3, is characterized in that: described motor driving part divides and also comprises power supply and control wire harness.
5. pulsation type ventricular assist device according to claim 4, is characterized in that: described motor driving part divides and also comprises reserve battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510087348.3A CN104606730B (en) | 2015-02-15 | 2015-02-15 | A kind of pulsation type ventricular assist device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510087348.3A CN104606730B (en) | 2015-02-15 | 2015-02-15 | A kind of pulsation type ventricular assist device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104606730A true CN104606730A (en) | 2015-05-13 |
| CN104606730B CN104606730B (en) | 2017-10-31 |
Family
ID=53141550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510087348.3A Active CN104606730B (en) | 2015-02-15 | 2015-02-15 | A kind of pulsation type ventricular assist device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104606730B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019235A1 (en) * | 2016-07-26 | 2018-02-01 | 广东省心血管病研究所 | Cavopulmonary assisted circulation apparatus |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85101779A (en) * | 1985-04-01 | 1987-05-13 | 艾斯特勒科技公司 | A double pump used as an artificial heart |
| US20040054251A1 (en) * | 2002-09-18 | 2004-03-18 | Liotta Domingo Santo | Corporal implantation device for assisting blood and heart ventricular circulation |
| KR20090076342A (en) * | 2008-01-08 | 2009-07-13 | 고려대학교 산학협력단 | Blood pump driver and blood pump system having same |
| CN101623519A (en) * | 2009-08-06 | 2010-01-13 | 上海交通大学 | Pulsator type blood pump driven by ultrasonic liner motors |
| CN101905044A (en) * | 2010-08-06 | 2010-12-08 | 上海交通大学 | Diaphragm pulsatile blood pump driven by ultrasonic motor |
| CN102038979A (en) * | 2009-10-23 | 2011-05-04 | 杨碧波 | Cardiac Assist System |
| CN101269245B (en) * | 2008-05-15 | 2011-07-20 | 上海交通大学 | Ultrasonic motor drive diaphragm type blood pump |
| CN102671248A (en) * | 2012-04-12 | 2012-09-19 | 上海交通大学 | Implantable bionic flexible pulsatile pump |
| CN103532298A (en) * | 2013-10-18 | 2014-01-22 | 许昌学院 | Four-rotor driving type geared motor |
| EP2712636A1 (en) * | 2012-09-26 | 2014-04-02 | Fundacja Rozwoju Kardiochirurgii Im. Prof. Zbigniewa Religi | A pediatric heart assist pump |
| CN204582097U (en) * | 2015-02-15 | 2015-08-26 | 李鸿雁 | A kind of pulsation type ventricular assist device |
-
2015
- 2015-02-15 CN CN201510087348.3A patent/CN104606730B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85101779A (en) * | 1985-04-01 | 1987-05-13 | 艾斯特勒科技公司 | A double pump used as an artificial heart |
| US20040054251A1 (en) * | 2002-09-18 | 2004-03-18 | Liotta Domingo Santo | Corporal implantation device for assisting blood and heart ventricular circulation |
| KR20090076342A (en) * | 2008-01-08 | 2009-07-13 | 고려대학교 산학협력단 | Blood pump driver and blood pump system having same |
| CN101269245B (en) * | 2008-05-15 | 2011-07-20 | 上海交通大学 | Ultrasonic motor drive diaphragm type blood pump |
| CN101623519A (en) * | 2009-08-06 | 2010-01-13 | 上海交通大学 | Pulsator type blood pump driven by ultrasonic liner motors |
| CN102038979A (en) * | 2009-10-23 | 2011-05-04 | 杨碧波 | Cardiac Assist System |
| CN101905044A (en) * | 2010-08-06 | 2010-12-08 | 上海交通大学 | Diaphragm pulsatile blood pump driven by ultrasonic motor |
| CN102671248A (en) * | 2012-04-12 | 2012-09-19 | 上海交通大学 | Implantable bionic flexible pulsatile pump |
| EP2712636A1 (en) * | 2012-09-26 | 2014-04-02 | Fundacja Rozwoju Kardiochirurgii Im. Prof. Zbigniewa Religi | A pediatric heart assist pump |
| CN103532298A (en) * | 2013-10-18 | 2014-01-22 | 许昌学院 | Four-rotor driving type geared motor |
| CN204582097U (en) * | 2015-02-15 | 2015-08-26 | 李鸿雁 | A kind of pulsation type ventricular assist device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019235A1 (en) * | 2016-07-26 | 2018-02-01 | 广东省心血管病研究所 | Cavopulmonary assisted circulation apparatus |
| CN107648690A (en) * | 2016-07-26 | 2018-02-02 | 广东省心血管病研究所 | Chamber lung auxiliary circulating equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104606730B (en) | 2017-10-31 |
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