CN106310411A - Ascending aorta type ventricular assisting device - Google Patents

Ascending aorta type ventricular assisting device Download PDF

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Publication number
CN106310411A
CN106310411A CN201610937580.6A CN201610937580A CN106310411A CN 106310411 A CN106310411 A CN 106310411A CN 201610937580 A CN201610937580 A CN 201610937580A CN 106310411 A CN106310411 A CN 106310411A
Authority
CN
China
Prior art keywords
ascending aorta
air pump
type ventricular
outer layer
ventricular assist
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.)
Pending
Application number
CN201610937580.6A
Other languages
Chinese (zh)
Inventor
蒋树林
田海
孙露
陈巍
张东旸
傅毕成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Engineering University
Harbin Medical University
Original Assignee
Harbin Medical University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harbin Medical University filed Critical Harbin Medical University
Priority to CN201610937580.6A priority Critical patent/CN106310411A/en
Publication of CN106310411A publication Critical patent/CN106310411A/en
Pending legal-status Critical Current

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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
    • 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
    • A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
    • A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
    • A61M60/113—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems in other functional devices, e.g. dialysers or heart-lung machines
    • 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
    • A61M60/135—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 inside a blood vessel, e.g. using grafting
    • 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
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/562—Electronic control means, e.g. for feedback regulation for making blood flow pulsatile in blood pumps that do not intrinsically create pulsatile flow
    • 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
    • A61M60/80—Constructional details other than related to driving
    • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
    • A61M60/89—Valves
    • A61M60/892—Active valves, i.e. actuated by an external force
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/12—Blood circulatory system
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/12—Blood circulatory system
    • A61M2210/127—Aorta

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Transplantation (AREA)
  • Pulmonology (AREA)
  • External Artificial Organs (AREA)
  • Prostheses (AREA)

Abstract

The invention discloses an ascending aorta type ventricular assisting device. The ascending aorta type ventricular assisting device comprises an inner layer and an outer layer, wherein two ends of the outer layer are connected with artificial blood vessels, and the top of the device is sealed by an artificial valve or is connected with the artificial valve during an operation; the inner layer and the outer layer are connected with an air pump through a tube, and the parts between the inner layer and the outer layer can inflate or inhale synchronously with the heart by the aid of the air pump and a pace-making lead connected with the air pump; the outer layer is made of a hard silica gel material, and the inner layer is made of a soft encapsulating material. By the aid of the ascending aorta type ventricular assisting device, coronary blood supply can be increased, the cardiac function of patients with end-stage heart disease is improved, the survival time of the patients is prolonged, and the living quality of the patients is improved.

Description

Ascending aorta type ventricular assist device
Technical field
The present invention relates to ventricular assist device, particularly relate to a kind of ascending aorta type ventricular assist device.
Background technology
One of means generally acknowledging effective treatment heart disease at final stage the most clinically are heart transplantations, but due to heart Donor is the most rare, is difficult to meet clinical needs, and the problems such as the immunological rejection of post-transplantation patient self are difficult simultaneously To solve, heart transplantation treatment cannot become the most frequently used treatment means all the time.In recent years, along with the technology about artificial heart Day by day ripe, add that it is without the multiple advantages such as ethical issues, the various problems brought without immunologic rejection and anti-repulsion medicine, the artificial heart The dirty important alternatives having become heart transplantation.Artificial heart can be divided into total artificial heart and ventricular assist device two by purposes Kind, wherein total artificial heart owing to volume is big, implanted prosthetics is complicated, post-operative complication such as infection, thromboembolism, haemolysis and multi viscera decline The defects such as the incidence rate exhausted is high, poor durability, limit its promotion and application in clinic, and the ventricle auxiliary applied now fill Put destruction heart original cardiac muscular tissue when there is implantation too, without pulsation blood flow, hematoclasis, a left side during device work Atrium and left ventricle are in after expanded state and internal pump fault all the time cannot the shortcoming such as replacing in time.Another kind is the most relatively The means being usually used in improving cardiac function are application intra aortic balloon counterpulsation (IABP), but due to its sacculus finite capacity, Bleeding rate is higher, needs femoral artery built-in pipe, restraint, it is also possible to cause tremulous pulse perforation, interlayer and surrounding Arterial thrombus makes it can only become short-term, interim Therapeutic Method, and cannot life-time service.Recently, by the U.S. The ventricular assist device of a entitled C-Pulse that Sunshineheart company produces, its principle is to be inflated by around aorta The compressing ascending aorta of air bag regularity produces pulsation blood flow and then improves cardiac output, although this device preferably solves The various problems that ventricular assist device is likely to occur before, but because ascending aorta surrounding structure is more tight, can during implant surgery Working place is little, fixing more difficult；And owing to making its stroke volume have a greatly reduced quality across aorta vessel wall when this device works, If the aorta wall of patient exists the intrinsic damages such as calcification simultaneously, during C-Pulse work, it can be caused damage further unavoidably Wound.
Thus, need a kind of novel therapy equipment or method badly in the case of not reducing therapeutic effect, treat the heart in latter stage at end Disease of ZANG-organs, can reduce the adverse events incidence rate in use, alleviates or avoid the various problem being likely to occur, Jin Erti simultaneously The therapeutic effect of high heart disease at final stage patient, and the use time of heart-assist device can be extended to a certain extent.
Summary of the invention
In view of above-mentioned various problems, the technical problem to be solved in the present invention is to provide the heart assistance of a kind of new structure Device thus improve the therapeutic effect of heart disease at final stage patient.
For reaching above-mentioned purpose, the invention provides a kind of ascending aorta type ventricular assist device, including inside and outside two-layer, outward Layer two ends connect artificial blood vessel, in order to be connected with the big blood vessel of patient, and this device top is closed by artificial valve or connects in art Artificial valve；And described inside and outside two interlayers are connected with air pump by pipeline, by this air pump and the Pacing lead that is connected with air pump The part of this two interlayer can be carried out the inflation with cardiac synchronous or air-breathing；Wherein, this outer layer is hard gel material, and internal layer is Soft capsule material.
Wherein, during use, described air pump is located at external；This device arranges artificial valve and closes or connect artificial valve in art One end be configured to the distal end with ascending aorta coincide；This device is not provided with one end of artificial valve and is configured to and ascending aorta Proximal part coincide.
The invention difference from existing technology is that the present invention achieves following technique effect: the ascending aorta of the present invention Type ventricular assist device have in implantation process is not in the mood for operation on muscle damage, device work time blood flow be pulsation, without anticoagulant, blood Cell is without destruction, left atrium and left ventricle intermittence blank state, and external pump can be standby, is prone to change in time, can grow after fault Phase disposes, and topography space substantially meets device and implants, and normal surrounding tissue of need not dissociating, to aorta wall vascular conditions Advantage without rigors.Meanwhile, if the patient declined whole-heartedly, the novel ascending aorta type heart of main pulmonary artery can also be carried out The arrangement operation of room auxiliary device improves right heart function.Finally, by the application of novel ascending aorta type ventricular assist device Can increase coronary blood for, improve the cardiac function of heart disease at final stage patient, extend the life span of this type of patient, improve this The quality of life of class patient.If patient is through treatment after a while, heart function recovery is normal, can disable this device at any time, Recover normal circulation.
Below in conjunction with the accompanying drawings the ascending aorta type ventricular assist device of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of ascending aorta type ventricular assist device of the present invention；
Deflation status schematic diagram when Fig. 2 is to use ascending aorta type ventricular assist device of the present invention；
Inflated condition schematic diagram when Fig. 3 is to use ascending aorta type ventricular assist device of the present invention.
Description of reference numerals: 100 ascending aorta type ventricular assist devices；102 outer layers；104 internal layers；103 inside and outside layers Between part；105 artificial valve；106 artificial blood vessels；107 pipelines；108 air pumps；200 ascending aortas；300 aortic valve； 400 brachiocephalic trunk；600 left common carotid artery；800 left subclavian arteries.
Detailed description of the invention
Below in conjunction with embodiment, to the present invention, above-mentioned and other technical characteristic and advantage are described in more detail.
Refer to Fig. 1, the ascending aorta type ventricular assist device 100 of the present invention, including hard gel material outer layer 102, Soft capsule material inner layer 104, outer layer 102 two ends connect artificial blood vessel 106, for coincideing with autologous vein.Device 100 Top is closed by artificial valve 105 or connects artificial valve in art；And inside and outside two interlayers are by pipeline 107 with air pump 108 even Connect, the part 103 of this two interlayer can be carried out the inflation with cardiac synchronous by air pump 108 and the Pacing lead that is connected with air pump Or air-breathing.
Can be by following method by the ascending aorta type ventricular assist device implantation within a patient of the present invention: patient is at vein With suck under General anesthesia, through breast median incision.Setting up extracorporeal circulation, being tried one's best by aortic occlusion clamp remote is clipped in a liter master The position of the nearly brachiocephalic trunk of tremulous pulse 200 distal end 400.Aortic root infusion cardioplegic solution makes cardiac arrest rear cutout except rising actively Arteries and veins 200, uses the ascending aorta type ventricular assist device 100 of the present invention to be replaced by ascending aorta 200.The present invention rises actively Arteries and veins type ventricular assist device proximal part (being i.e. not provided with one end of artificial valve) coincide with ascending aorta proximal part；Distal end is (i.e. The one end connecting artificial valve in artificial valve or art is set) it coincide with ascending aorta distal end, air line 107 passes through On the left of patient, the second intercostal nearly breastbone opening part lead body is outer is connected with air pump 108.
Refer to Fig. 2 and Fig. 3, be respectively venting when using ascending aorta type ventricular assist device of the present invention and inflation shape State schematic diagram.When the heart contracts, this device carries out air-breathing by external air pump 108, forms certain bearing in making aorta Pressure, can reduce the afterload of heart to the full extent, preferably safeguard cardiac function, simultaneously because the existence of artificial valve, The distal aorta blood back flow caused because of air pump air-breathing can be avoided；When diastole, fill this and put by external air pump 108 Being inflated, aortic valve 300 is closed, and artificial valve 105 is in open state, by the capsule material inward compression of internal layer 104 Make the blood within this device promote forward, inject endaortic blood to heart at systole and pressurize and advance, increase Distal aorta and blood supply coronarius.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention Enclose and be defined, on the premise of designing spirit without departing from the present invention, the those of ordinary skill in the art technical side to the present invention Various deformation that case is made and improvement, all should fall in the protection domain that claims of the present invention determines.

Claims (4)

1. an ascending aorta type ventricular assist device, it is characterised in that include inside and outside two-layer, outer layer two ends connect artificial blood Pipe, this device top is closed by artificial valve or connects artificial valve in art；And described inside and outside two interlayers are by pipeline and air pump Connect, by this air pump and the Pacing lead that is connected with air pump the part of this two interlayer can be carried out the inflation with cardiac synchronous or Air-breathing；Wherein, this outer layer is hard gel material, and internal layer is soft capsule material.
2. ascending aorta type ventricular assist device as claimed in claim 1, it is characterised in that during use, body is located at by described air pump Outward.
3. ascending aorta type ventricular assist device as claimed in claim 1, it is characterised in that this device is closed by artificial valve Or the one end connecting artificial valve in art is configured to the distal end with ascending aorta and coincide.
4. the ascending aorta type ventricular assist device as described in claim 1 or 3, it is characterised in that this device is not provided with valve One end is configured to the proximal part with ascending aorta and coincide.
CN201610937580.6A 2016-10-25 2016-10-25 Ascending aorta type ventricular assisting device Pending CN106310411A (en)

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Application Number Priority Date Filing Date Title
CN201610937580.6A CN106310411A (en) 2016-10-25 2016-10-25 Ascending aorta type ventricular assisting device

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Application Number Priority Date Filing Date Title
CN201610937580.6A CN106310411A (en) 2016-10-25 2016-10-25 Ascending aorta type ventricular assisting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124133A (en) * 2019-05-13 2019-08-16 青岛大学附属医院 A kind of refractory heart failure left ventricular function auxiliary device
CN110812553A (en) * 2019-11-07 2020-02-21 武汉唯柯医疗科技有限公司 Implanted mechanical circulation auxiliary device in aorta

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1256157A (en) * 1999-11-22 2000-06-14 李树文 Pneumatic blood pump, combined pneumatic heart-lung machine and artificial pneumatic heart
EP1070511A1 (en) * 1998-04-06 2001-01-24 Fujio Miyawaki Auxiliary mechanical heart promoting the restoration of heart function
KR20100096474A (en) * 2009-02-24 2010-09-02 미토테크 주식회사 Implantable ventricular assist device
CN204864258U (en) * 2015-07-29 2015-12-16 上海市东方医院 Other counterpulsation device of aorta
CN105517590A (en) * 2013-06-21 2016-04-20 科万维公司 Artificial ventricles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1070511A1 (en) * 1998-04-06 2001-01-24 Fujio Miyawaki Auxiliary mechanical heart promoting the restoration of heart function
CN1256157A (en) * 1999-11-22 2000-06-14 李树文 Pneumatic blood pump, combined pneumatic heart-lung machine and artificial pneumatic heart
KR20100096474A (en) * 2009-02-24 2010-09-02 미토테크 주식회사 Implantable ventricular assist device
CN105517590A (en) * 2013-06-21 2016-04-20 科万维公司 Artificial ventricles
CN204864258U (en) * 2015-07-29 2015-12-16 上海市东方医院 Other counterpulsation device of aorta

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124133A (en) * 2019-05-13 2019-08-16 青岛大学附属医院 A kind of refractory heart failure left ventricular function auxiliary device
CN110124133B (en) * 2019-05-13 2024-04-26 青岛大学附属医院 Intractable heart failure left ventricle function auxiliary device
CN110812553A (en) * 2019-11-07 2020-02-21 武汉唯柯医疗科技有限公司 Implanted mechanical circulation auxiliary device in aorta

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Application publication date: 20170111