CN104888292A - Blood flow maintaining system with feedback device - Google Patents

Blood flow maintaining system with feedback device Download PDF

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Publication number
CN104888292A
CN104888292A CN201510366084.5A CN201510366084A CN104888292A CN 104888292 A CN104888292 A CN 104888292A CN 201510366084 A CN201510366084 A CN 201510366084A CN 104888292 A CN104888292 A CN 104888292A
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CN
China
Prior art keywords
blood
movable plate
blood vessel
moving body
spring
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
CN201510366084.5A
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Chinese (zh)
Inventor
董羽婕
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510366084.5A priority Critical patent/CN104888292A/en
Publication of CN104888292A publication Critical patent/CN104888292A/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
    • A61M60/50—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
    • 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
    • A61M60/10—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
    • A61M60/50—Details relating to control
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3344—Measuring or controlling pressure at the body treatment site
    • 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
    • A61M2210/125—Heart

Landscapes

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

Abstract

The invention provides a blood flow maintaining system with a feedback device. The blood flow maintaining system comprises a blood inlet tube, a one-way valve, an air tube, an artificial heart, a blood outlet tube, a heart film, a rotating plate, a control cavity, a moving plate, a moving body, a spring and an adjusting tube, wherein the heart film separates an air cavity and a blood cavity, the moving plate and the moving body are both arranged in the control cavity, the lower end face off the moving plate is matched with the upper end face of the moving body, one end of the adjusting tube is communicated with the blood inlet tube at the front end, the other end of the adjusting tube is communicated with the cavity between the first moving plate and the second moving plate. When pressure of the blood inlet tube at the front end is higher, the rotating plate rotates anticlockwise to enable blood flowing into the blood cavity to be decreased. When the pressure of the blood inlet tube at the front end is lower, the rotating plate rotates clockwise to enable blood flowing into the blood cavity to be increased. The blood flow maintaining system is reasonable in design and simple in structure and is suitable for a patient sensitive to the blood pressure.

Description

Blood flow with feedback device maintains system
Technical field
What the present invention relates to is a kind of artificial heart system of technical field of medical instruments, and particularly a kind of blood flow with feedback device with blood pressure regulating mechanism maintains system.
Background technology
Artificial heart, namely partially or completely substitutes the pump blood function of heart by bio-mechanical means, maintain the blood circulation of whole body.Divide by function and comprise ventricle auxiliary blood pump and total artificial heart.Artificial heart is transplanted as a kind of means for the treatment of heart failure, is the effective replacement scheme of cardiac transplantation.Total artificial heart is a kind of for replacing the equipment of two chambers in heart bottom.These two replaced chambers are called as " ventricle ".If a sufferer causes two ventricles all cannot play function again because heart failure reaches an advanced stage, just this equipment may be used.Heart failure refers to that heart causes the enough blood of unable conveying to meet the needs of health owing to suffering damage or weaken." late period " refers to that necessarily very serious degree has been arrived in this heart failure, to such an extent as to every other treatment except heart transplantation all cannot onset.In both cases, patient may need total artificial heart: patient may need total artificial heart to sustain life to instruct the heart that can obtain transplanting; Do not possess the qualification of heart transplantation, but to the heart failure late period of two ventricles loss of function gradually; The atrium of total artificial heart and patient connects.Artificial heart technology is a kind of FA biomedical technology, and along with the increase gradually of modern society heart patient, artificial heart technology will have boundless application prospect.
Through finding the retrieval of prior art document, China Patent No. 99126700.1, patent name: gas-electricity one formula blood pump, gas-electricity one formula artificial heart, this patented technology provides blood pump simplification, artificial heart miniaturization scheme, but it can not effectively regulate artificial heart to go out the hemorrhage pressure of blood vessel, easily causes the fluctuation of blood pressure of patient larger.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide a kind of artificial heart system with blood pressure regulating mechanism, the hemorrhage pressure of blood vessel can be gone out by effectively anti-adjustment artificial heart.
The present invention is achieved through the following technical solutions, the present invention includes front end and enter blood vessel, check valve, blood vessel is entered in rear end, artificial heart, trachea, cardiac valves, go out blood vessel, control chamber, stretch, swingle, rotating shaft, adjustable pipe, swivel plate, first movable plate, second movable plate, first spring, second spring, moving body, 3rd spring, the blood in-out mouth of check valve enters the blood outlet of blood vessel respectively with front end, the blood inlet that blood vessel is entered in rear end is connected, and cardiac valves is arranged in artificial heart, and cardiac valves is divided into air chamber and blood chamber two parts artificial heart, and trachea is connected with air chamber, and the blood outlet of blood vessel is entered in rear end, the blood inlet going out blood vessel is all connected with blood chamber, one end of rotating shaft is embedded in rear end after entering the front face of blood vessel through rear end and enters on the rear surface of blood vessel, swivel plate is arranged in rear end and enters Ink vessel transfusing and be consolidated with rotating shaft, the other end of rotating shaft is arranged in rear end and enters the outside of blood vessel and be consolidated with one end of swingle, the other end of swingle and one end of stretch hinged, the first movable plate, second movable plate, moving body is arranged in control chamber, and the upper surface of moving body is ramp structure, the first movable plate, the lower surface of the second movable plate is ramp structure, the first movable plate, the lower surface of the second movable plate and the upper surface of moving body are combined together, the first movable plate, second movable plate is by the first spring, second spring is connected, and the lower surface of moving body is connected with the lower wall surface of control chamber by the 3rd spring, and one end and the front end of adjustable pipe are entered blood vessel and be connected, the other end of adjustable pipe and the first movable plate, cavity between second movable plate is connected.
Further, blood vessel is entered in front end in the present invention, blood vessel is entered in rear end, go out blood vessel, the cross section of the first movable plate, the second movable plate, moving body is rectangle.
Compared with prior art, the present invention has following beneficial effect: the present invention enters the blood flow of blood chamber by changing, and can realize out the self regulation of angiorrbagia pressure, thus uses blood pressure power and also can remain stable when entering blood pressure power and being higher; The present invention is reasonable in design, and structure is simple, has wider application prospect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that in the present invention, vessel sections figure is entered in front end;
Fig. 3 is the structural representation of A-A section in Fig. 2;
Fig. 4 is control chamber profile in the present invention;
Fig. 5 is the structural representation of B-B section in Fig. 4
Fig. 6 is the structural representation of C-C section in Fig. 4;
Wherein: 1, blood vessel is entered in front end, 2, check valve, 3, rear end enters blood vessel, 4, artificial heart, 5, trachea, 6, cardiac valves, 7, air chamber, 8, blood chamber, 9, blood vessel is gone out, 10, control chamber, 11, stretch, 12, swingle, 13, rotating shaft, 14, adjustable pipe, 15, swivel plate, 16, the first movable plate, the 17, second movable plate, the 18, first spring, 19, the second spring, 20, moving body, the 21, the 3rd spring.
Detailed description of the invention
Elaborate to embodiments of the invention below in conjunction with accompanying drawing, the present embodiment, premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
embodiment
As shown in Figures 1 to 6, the present invention includes front end and enter blood vessel 1, check valve 2, blood vessel 3 is entered in rear end, artificial heart 4, trachea 5, cardiac valves 6, go out blood vessel 9, control chamber 10, stretch 11, swingle 12, rotating shaft 13, adjustable pipe 14, swivel plate 15, first movable plate 16, second movable plate 17, first spring 18, second spring 19, moving body 20, 3rd spring 21, the blood in-out mouth of check valve 2 enters the blood outlet of blood vessel 1 respectively with front end, the blood inlet that blood vessel 3 is entered in rear end is connected, and cardiac valves 6 is arranged in artificial heart 4, and cardiac valves 6 is divided into air chamber 7 and blood chamber 8 two parts artificial heart 4, and trachea 5 is connected with air chamber 7, and the blood outlet of blood vessel 3 is entered in rear end, the blood inlet going out blood vessel 9 is all connected with blood chamber 8, one end of rotating shaft 13 is embedded in rear end after entering the front face of blood vessel 3 through rear end and enters on the rear surface of blood vessel 3, swivel plate 15 is arranged in rear end and enters in blood vessel 3 and to be consolidated with rotating shaft 13, the other end of rotating shaft 13 is arranged in rear end and enters the outside of blood vessel 3 and be consolidated with one end of swingle 12, the other end of swingle 12 and one end of stretch 11 hinged, the first movable plate 16, second movable plate 17, moving body 20 is arranged in control chamber 10, and the upper surface of moving body 20 is ramp structure, the first movable plate 16, the lower surface of the second movable plate 17 is ramp structure, the first movable plate 16, the lower surface of the second movable plate 17 and the upper surface of moving body 20 are combined together, the first movable plate 16, second movable plate 17 is by the first spring 18, second spring 19 is connected, and the lower surface of moving body 20 is connected with the lower wall surface of control chamber 10 by the 3rd spring 21, and one end and the front end of adjustable pipe 14 are entered blood vessel 1 and be connected, the other end of adjustable pipe 14 and the first movable plate 16, cavity between second movable plate 17 is connected, blood vessel 1 is entered in front end, blood vessel 3 is entered in rear end, go out blood vessel 9, first movable plate 16, second movable plate 17, the cross section of moving body 20 is rectangle.
In work process of the present invention, when the pressure in air chamber 7 is less, cardiac valves 6 pops up, and the volume of blood chamber 8 becomes large, pressure diminishes, check valve 2 is opened, and blood enters blood vessel 1 successively through front end, check valve 2, rear end are entered blood vessel 3 and flowed into blood chamber 8; When the pressure in air chamber 7 is larger, cardiac valves 6 is upspring downwards, and the volume of blood chamber 8 diminishes, pressure becomes large, and check valve 2 is closed, and blood flows out blood chamber 8 through going out blood vessel 9.When front end enters that in blood vessel 1, pressure is larger, cavity internal pressure between first movable plate 16, second movable plate 17 is also larger, first movable plate 16, second movable plate 17 moves left to the right respectively and compresses the first spring 18, second spring 19, under the effect of the 3rd spring 21, moving body 20 pulls stretch 11 to move up, thus stretch 11 driven rotary plate 15 is rotated counterclockwise, the blood entered in blood chamber 8 reduces; When front end enters that in blood vessel 1, pressure is less, cavity internal pressure between first movable plate 16, second movable plate 17 is also less, under the effect of the first spring 18, second spring 19, the first movable plate 16, second movable plate 17 is respectively to moving left and right, moving body 20 promotes stretch 11 and moves down, thus stretch 11 driven rotary plate 15 is turned clockwise, the blood entered in blood chamber 8 increases.By the rotation of swivel plate 15, the blood pressure can using blood vessel 9 outlet is preserved stable.

Claims (2)

1. the blood flow with feedback device maintains a system, comprises front end and enters blood vessel (1), check valve (2), blood vessel (3) is entered in rear end, artificial heart (4), trachea (5), cardiac valves (6), go out blood vessel (9), the blood in-out mouth of check valve (2) enters the blood outlet of blood vessel (1) respectively with front end, the blood inlet that blood vessel (3) is entered in rear end is connected, cardiac valves (6) is arranged in artificial heart (4), cardiac valves (6) is divided into air chamber (7) and blood chamber (8) two parts artificial heart (4), trachea (5) is connected with air chamber (7), and the blood outlet of blood vessel (3) is entered in rear end, the blood inlet going out blood vessel (9) is all connected with blood chamber (8), it is characterized in that, also comprises control chamber (10), stretch (11), swingle (12), rotating shaft (13), adjustable pipe (14), swivel plate (15), first movable plate (16), second movable plate (17), first spring (18), second spring (19), moving body (20), 3rd spring (21), one end of rotating shaft (13) is embedded in rear end after entering the front face of blood vessel (3) through rear end and enters on the rear surface of blood vessel (3), swivel plate (15) is arranged in rear end and enters in blood vessel (3) and to be consolidated with rotating shaft (13), the other end of rotating shaft (13) is arranged in rear end and enters the outside of blood vessel (3) and be consolidated with one end of swingle (12), the other end of swingle (12) and one end of stretch (11) hinged, the first movable plate (16), second movable plate (17), moving body (20) is arranged in control chamber (10), and the upper surface of moving body (20) is ramp structure, the first movable plate (16), the lower surface of the second movable plate (17) is ramp structure, the first movable plate (16), the lower surface of the second movable plate (17) and the upper surface of moving body (20) are combined together, the first movable plate (16), second movable plate (17) is by the first spring (18), second spring (19) is connected, the lower surface of moving body (20) is connected with the lower wall surface of control chamber (10) by the 3rd spring (21), one end and the front end of adjustable pipe (14) are entered blood vessel (1) and are connected, the other end of adjustable pipe (14) and the first movable plate (16), cavity between second movable plate (17) is connected.
2. the blood flow with feedback device according to claim 1 maintains system, it is characterized in that blood vessel (1) is entered in front end, blood vessel (3) is entered in rear end, goes out blood vessel (9), the cross section of the first movable plate (16), the second movable plate (17), moving body (20) is rectangle.
CN201510366084.5A 2015-06-28 2015-06-28 Blood flow maintaining system with feedback device Pending CN104888292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510366084.5A CN104888292A (en) 2015-06-28 2015-06-28 Blood flow maintaining system with feedback device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510366084.5A CN104888292A (en) 2015-06-28 2015-06-28 Blood flow maintaining system with feedback device

Publications (1)

Publication Number Publication Date
CN104888292A true CN104888292A (en) 2015-09-09

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Family Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105261274A (en) * 2015-11-13 2016-01-20 苏州大学 Piston type ventricular simulator for in-vitro simulated circulation system
CN106344975A (en) * 2016-08-30 2017-01-25 张国虎 Liver and gall drainage device
CN108348667A (en) * 2015-10-23 2018-07-31 心脏器械股份有限公司 Blood pump for ischemia detection and the physiological responses for the treatment of
EP3683783A4 (en) * 2017-09-11 2021-03-10 Suzhou Medical Implant Mechanics Co., Ltd Fluid driving device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108348667A (en) * 2015-10-23 2018-07-31 心脏器械股份有限公司 Blood pump for ischemia detection and the physiological responses for the treatment of
CN105261274A (en) * 2015-11-13 2016-01-20 苏州大学 Piston type ventricular simulator for in-vitro simulated circulation system
CN105261274B (en) * 2015-11-13 2018-11-30 苏州大学 A kind of piston type ventricle simulator for the in-vitro simulated circulatory system
CN106344975A (en) * 2016-08-30 2017-01-25 张国虎 Liver and gall drainage device
CN106344975B (en) * 2016-08-30 2018-10-09 张国虎 A kind of hepatobiliary drainage device
EP3683783A4 (en) * 2017-09-11 2021-03-10 Suzhou Medical Implant Mechanics Co., Ltd Fluid driving device

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150909

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