CN107875466A - A kind of heart assistance pumping system - Google Patents
A kind of heart assistance pumping system Download PDFInfo
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- CN107875466A CN107875466A CN201711081497.4A CN201711081497A CN107875466A CN 107875466 A CN107875466 A CN 107875466A CN 201711081497 A CN201711081497 A CN 201711081497A CN 107875466 A CN107875466 A CN 107875466A
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- fixedly connected
- blood
- casing
- pumping system
- tube
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- 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
- A61M60/50—Details relating to control
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Cardiology (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 kind of heart assistance pumping system, including bottom plate, the bottom plate obtains front surface and is fixedly connected with bellows type circulating pump, and the both sides of bellows type circulating pump are respectively arranged with proximal tube and distal end, the bellows type circulating pump includes blood transferring box, and the inside of blood transferring box is fixedly connected with the first casing and the second casing respectively, the centre of the blood transfer chamber interior wall bottom and top has been fixedly connected with fixed plate, the both sides of first cabinet wall and it is respectively arranged with the first check valve and the second check valve positioned at the both sides of fixed plate, it is related to technical field of medical auxiliary equipment.The heart assistance pumping system; improve heart stroke; left ventricle is allowed fully to be rested again; at once the recurrent state of patient is improved; reverse disease, chance is won for follow-up operation, it is possible to prevente effectively from blood produces pulse blood flow during extraction or release; or pressure is reduced, help to protect blood and improve efficiency of transmission.
Description
Technical field
The present invention relates to technical field of medical auxiliary equipment, specially a kind of heart assistance pumping system.
Background technology
Heart is that a most important organ, major function are to provide pressure, blood transported in people and vertebrate body
Go to body various pieces.The heart of the mankind is located to the left in the middle part of thoracic cavity, and volume is approximately equivalent to a fist size, weight about three
150 grams.The heart of women is generally than the small volume of male and in light weight.The outer image peach of human heart, positioned at diaphragm it
On, it is to the left between two lungs.
Heart failure refers to because a variety of causes causes the diastolic function of heart and contractile function that obstacle occurs, it is impossible to effectively
By venous return heart；Heart pump out it is powerless cause the heart export oligemia, cause pulmonary vein and venous system sludging, move
Vein system system hemoperfusion deficiency, so as to cause cardiac cycle obstacle syndrome, shown as in such a obstacle disease cluster pulmonary venous pleonaemia,
Vena cave extravasated blood.
Heart assisting pump used at present and all relative single of system, do not possess preferable practicality in clinic,
Operating characteristics is low, is unfavorable for protecting blood and improves efficiency of transmission, or even can increase the state of an illness, influences follow-up operative treatment.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of heart assistance pumping system, solve used at present
Heart assisting pump and all relative single of system, do not possess preferable practicality in clinic, operating characteristics is low, is unfavorable for protecting
The problem of blood and raising efficiency of transmission.
(2) technical scheme
To realize object above, the present invention is achieved by the following technical programs：A kind of heart assistance pumping system, including
Bottom plate, the bottom plate obtains front surface and is fixedly connected with bellows type circulating pump, and the both sides of bellows type circulating pump are respectively arranged with
Proximal tube and distal tube.
The bellows type circulating pump includes blood transferring box, and the inside of blood transferring box is fixedly connected with first respectively
Casing and the second casing, the centre of the blood transfer chamber interior wall bottom and top have been fixedly connected with fixed plate, and described first
The both sides of cabinet wall and it is respectively arranged with the first check valve and the 3rd check valve, second casing positioned at the both sides of fixed plate
The both sides of inwall and it is respectively arranged with the second check valve and the 4th check valve positioned at the both sides of fixed plate, first casing and the
Through there is a piston rod on two casings, and piston rod is located at one end of the first box house and is fixedly connected with first piston, institute
State piston rod and be located at one end of the second box house and be fixedly connected with second piston, and the side in the middle part of piston rod is fixedly connected
There is connecting rod, surface of the connecting rod away from piston rod one end is connected with the second crank by the first crank, and second is bent
The one end of handle away from the first crank is fixedly connected with rotor.
Preferably, the first valve is provided with the top of the blood transferring box, and the middle part on the left of blood transferring box is set
Have the second valve, and one end of the second valve is connected by First Transition flexible pipe with proximal tube, on the right side of the blood transferring box in
Portion is provided with the 3rd valve, and one end of the 3rd valve is connected by the second transition flexible pipe with distal tube.
Preferably, the one end of the connecting rod away from piston rod is fixedly connected with strengthens handle manually.
Preferably, the proximal tube and distal tube include proximal outer pipe, and proximal outer pipe follows away from bellows type
One end of ring pump is communicated with distal end outer tube, and the described one end of distal end outer tube away from proximal outer pipe is fixedly connected with tip,
And distal end outer tube offers side opening by subapical end surface.
Preferably, the inwall of the proximal outer pipe is fixedly connected sequentially from outside to inside intermediate layer and internal layer.
(3) beneficial effect
The invention provides a kind of heart assistance pumping system.Possesses following beneficial effect：
(1), the heart assistance pumping system, by using the mode of extracorporal circulatory system, filled after the blood of left room is directly extracted
It is defeated to arrive aorta artery, heart stroke is improved, allows left ventricle fully to be rested again, improves the recurrent state of patient at once, is reversed
The state of an illness, chance is won for follow-up operation.
(2), the heart assistance pumping system, convenient and practical, strong operability, and blood will not touch the pump housing, only contact
To the silicone tube and sheath of good biocompatibility, sheath and silicone tube can easily be gone out as consumptive material with ethylene oxide sterilizing
Bacterium, it is disposable, safely and effectively.
(3), the heart assistance pumping system, by the blood transferring box being provided with, it is possible to prevente effectively from blood extracting or
Pulse blood flow is produced during person's release, or reduces pressure, helps to protect blood and improves efficiency of transmission.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation of bellows type circulating pump of the present invention；
Fig. 3 is the structural representation of proximal tube of the present invention；
In figure, 1 bottom plate, 2 bellows type circulating pumps, 3 proximal tubes, 4 distal tubes, 5 blood transferring box, 6 first casings, 7 second
Casing, 8 fixed plates, 9 first check valves, 10 the 3rd check valves, 11 second check valves, 12 the 4th check valves, 13 piston rods, 14
One piston, 15 second pistons, 16 connecting rods, 17 first cranks, 18 second cranks, 19 rotors, 20 first valves, 21 second valves, 22
Handle, 26 proximal outer pipes, 27 distal end outer tubes, 28 are strengthened in one transition flexible pipe, 23 the 3rd valves, 24 second transition flexible pipes, 25 manually
Tip, 29 side openings, 30 intermediate layers, 31 internal layers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of heart assistance pumping system, and as Figure 1-3, including bottom plate 1, bottom plate 1 obtain positive table
Face is fixedly connected with bellows type circulating pump 2, and the both sides of bellows type circulating pump 2 are respectively arranged with proximal tube 3 and distal tube 4,
Proximal tube 3 and distal tube 4 can be made up of silica gel/latex of medical grade, meet GB16886 related request, can be with contacting blood
In at least 2 weeks, securely and reliably, the external diameter of flexible pipe is 8-12mm, coordinates circulating pump to can reach maximum stream flow 3L/min requirement, far
End pipe 4 enters human body atrium or blood vessel, and distal tube 4 is the thin-walled sheath into human body, and external diameter is 2 to 5mm, to be reached set
Flow, the hose outside diameter of circulating pump just has to enough, and large-sized pump line cannot be introduced into the human body, thus we
Just design distal end is the tubing of minor diameter, and traffic requirement is both met by way of reducing, is met again into the small of needed by human body
Diametric requirements, distal tube are that 3 layers of pipe design, and internal layer 31 is PTFE light-wall pipes, and this is to design to reduce the coefficient of friction of blood flow, in
Between near-end also have the mesh grid of stainless steel, for preventing tubule from giving a discount or distorting in vivo, proximal outer pipe 26 be hardness slightly
High PEBAX or PE pipes, for supporting body proximal tube 3 and distal tube 4 to include proximal outer pipe 26, proximal outer pipe 26
Inwall be fixedly connected sequentially have intermediate layer 30 and internal layer 31 from outside to inside, and proximal outer pipe 26 is away from bellows type circulating pump
2 one end is communicated with distal end outer tube 27, and the one end of distal end outer tube 27 away from proximal outer pipe 26 is fixedly connected with tip 28,
Tip 28 is hardness soft PEBAX or PE pipes, and the stage is round and smooth, can prevent injured blood vessel, and contains barium sulfate, can
To be developed under X-ray, doctor is facilitated to operate, tip 28 is designed with the curved shape of pigtail type, and the pipe can be prevented in atrium
Inside come off, or tip contradicts vascular wall, causes vascular puncture, tip 28 carries side opening 29, can conveniently position curved side
To blood flow discharge capacity when being aspirated with increase, and end surface of the distal end outer tube 27 close to tip 28 offers side opening 29,
The female Luer and the transition flexible pipe 24 of First Transition flexible pipe 22 and second of proximal tube 3 and distal tube 4 by that can be dismantled with express delivery
Connection is connected.
Bellows type circulating pump 2 includes blood transferring box 5, and the top of blood transferring box 5 is provided with the first valve 20, and blood
The middle part in the left side of transferring box 5 is provided with the second valve 21, and one end of the second valve 21 passes through First Transition flexible pipe 22 and proximal tube 3
Connection, the middle part on the right side of blood transferring box 5 are provided with the 3rd valve 23, the first valve 20, the second valve being provided with blood transferring box 5
21 and the 3rd valve 23, it is closed under normal circumstances, the first valve 20 can connect standard injection agent and complete the injection of liquid or take out
Function, the second valve 21 connection Proximal transition flexible pipe are inhaled, then bridges proximal tube and enters human body, for extracting blood, the 3rd valve 23 connects
Distal transition flexible pipe is connect, bridge joint distal tube enters human body, and one end for conveying blood and the 3rd valve 23 passes through the second transition
Flexible pipe 24 connects with distal tube 4, and the inside of blood transferring box 5 is fixedly connected with the first casing 6 and the second casing 7 respectively,
First casing 6 and the second casing 7 form by PC or other good biocompatibilities material injection, first piston 14 and second
Piston 15 is made by silica gel or rubber, has good fatigue behaviour, and its diameter is slightly larger than the first casing 6 and the second casing 7
Internal diameter, blood sealing can not be leaked in the first casing 6 and the second casing 7, first piston 14 and second piston 15
First casing 6 and the internal diameter of the second casing 7 are 60mm, and the one-way movement distance of first piston 14 and second piston 15 is 20mm, double
To for 40mm, the centre at the inwall bottom of blood transferring box 5 and top has been fixedly connected with fixed plate 8, and the two of the inwall of the first casing 6
Side and it is respectively arranged with the first check valve 9 and the 3rd check valve 10, the both sides of the inwall of the second casing 7 positioned at the both sides of fixed plate 8
And it is respectively arranged with the second check valve 11 and the 4th check valve 12, the direction of check valve, when the first work positioned at the both sides of fixed plate 8
When plug 14 moves upwards, the first check valve 9 is to close, and the 3rd check valve 11 is opened, and blood passes through the 3rd check valve 11
Into blood transferring box 5；Second piston 15 is moved upwards simultaneously, and the 4th check valve 12 is to close, and blood is unidirectional by second
Valve 10 is inhaled into the second casing 7, and after the extreme position of the first casing 6 and the setting of the second casing 7 is reached, connecting rod 16 is reversely transported
OK, second piston 15 pushes downwards, and the second check valve 10 is to close, and blood flows into blood transfer by the 4th check valve 12
Case, complete conveying；Connecting rod 16 drives first piston 14 to move downward simultaneously, and the 3rd check valve 11 is to close, and blood is by passing through
First check valve 9 is drawn into the first casing 6, waits next counter motion, the first check valve 9, the second check valve the 10, the 3rd are unidirectional
The check valve 12 of valve 11 and the 4th is respectively provided with a movable valve plate, is closed under normal circumstances in restraining position, when draw-off direction is opposite
When valve block close, blood flow can not be by, and when draw-off direction is along direction of rotation, valve block is opened, and blood flow can be by,
Running through on first casing 6 and the second casing 7 has piston rod 13, and one end that piston rod 13 is located inside the first casing 6 is consolidated
Surely first piston 14 is connected with, one end that piston rod 13 is located inside the second casing 7 is fixedly connected with second piston 15, and first lives
Plug 14 and second piston 15 move distance up and down determined by the length of the first crank 17 and the second crank 18, first piston 14
Upper and lower banking stop will not be touched when up and down motion with second piston 15, so as to avoid damaging by pressure red blood cell, and piston
The side at the middle part of bar 13 is fixedly connected with connecting rod 16, and connecting rod 16 is done and moved repeatedly within the specified range by motor driving, and band
Have auxiliary handle, can connect and strengthen handle 25 manually, if necessary can Manual push-pull, deal with the situation of power-off, the speed moved repeatedly
It can adjust, the flow of blood is adjusted with this, the one end of connecting rod 16 away from piston rod 13 is fixedly connected with strengthens handle 25 manually,
Surface of the connecting rod 16 away from the one end of piston rod 13 is connected with the second crank 18, and the second crank 18 by the first crank 17
One end away from the first crank 17 is fixedly connected with rotor 19, and motor driven rotor 19 rotates, when the turn up that motor is per minute
When to 30 turns, caused flow can be made to be more than 3L/min, pass through the first crank 17 and the opposite conductivity of the second crank 18
Connecting rod 16 can be made to move up and down, the crank 17 of connecting rod 16 and first and the first crank 17 and the second crank 18 are logical
Bearing flexible connection is crossed, can mutually rotate, when connecting rod 16 moves, first piston 14 and second piston 15 are driven by connecting rod 16
Moved in the first casing 6 and the second casing 7, motion mode is opposite；When connecting rod 16 drives first piston 14 to move inwards
While, second piston 15 just moves out.
In summary：(1), the heart assistance pumping system, it is by using the mode of extracorporal circulatory system, the blood of left room is direct
Aorta artery is beaten into after extraction, heart stroke is improved, allows left ventricle fully to be rested again, improves the circulation shape of patient at once
State, reverse disease, chance is won for follow-up operation.
(2), the heart assistance pumping system, convenient and practical, strong operability, and blood will not touch the pump housing, only contact
To the silicone tube and sheath of good biocompatibility, sheath and silicone tube can easily be gone out as consumptive material with ethylene oxide sterilizing
Bacterium, it is disposable, safely and effectively.
(3), the heart assistance pumping system, by the blood transferring box 5 being provided with, it is possible to prevente effectively from blood extracting or
Pulse blood flow is produced during person's release, or reduces pressure, helps to protect blood and improves efficiency of transmission.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present ".
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of heart assistance pumping system, including bottom plate (1), it is characterised in that：The bottom plate (1) obtains front surface and is fixedly connected with
Bellows type circulating pump (2), and the both sides of bellows type circulating pump (2) are respectively arranged with proximal tube (3) and distal tube (4)；
The bellows type circulating pump (2) includes blood transferring box (5), and the inside of blood transferring box (5) is respectively fixedly connected with
There are the first casing (6) and the second casing (7), the centre of blood transferring box (5) the inwall bottom and top has been fixedly connected with
Fixed plate (8), the both sides of the first casing (6) inwall and is respectively arranged with the first check valve positioned at the both sides of fixed plate (8)
(9) and the 3rd check valve (10), the both sides of the second casing (7) inwall and it is respectively arranged with positioned at the both sides of fixed plate (8)
Second check valve (11) and the 4th check valve (12), through there is piston rod on first casing (6) and the second casing (7)
(13), and piston rod (13) is located at the internal one end of the first casing (6) and is fixedly connected with first piston (14), the piston rod
(13) second piston (15), and the side in the middle part of piston rod (13) are fixedly connected with positioned at the internal one end of the second casing (7)
Connecting rod (16) is fixedly connected with, surface of the connecting rod (16) away from piston rod (13) one end is connected by the first crank (17) activity
The second crank (18) is connected to, and the one end of the second crank (18) away from the first crank (17) is fixedly connected with rotor (19).
A kind of 2. heart assistance pumping system according to claim 1, it is characterised in that：The top of the blood transferring box (5)
Portion is provided with the first valve (20), and the middle part on the left of blood transferring box (5) is provided with the second valve (21), and the second valve (21)
One end connected by First Transition flexible pipe (22) with proximal tube (3), the middle part on the right side of the blood transferring box (5) is provided with
Three valves (23), and one end of the 3rd valve (23) is connected by the second transition flexible pipe (24) with distal tube (4).
A kind of 3. heart assistance pumping system according to claim 1, it is characterised in that：The connecting rod (16) is away from piston rod
(13) one end is fixedly connected with strengthens handle (25) manually.
A kind of 4. heart assistance pumping system according to claim 1, it is characterised in that：The proximal tube (3) and distal tube
(4) proximal outer pipe (26) is included, and the one end of proximal outer pipe (26) away from bellows type circulating pump (2) is communicated with distal end
Outer tube (27), the one end of the distal end outer tube (27) away from proximal outer pipe (26) are fixedly connected with sophisticated (28), and
End surface of the distal end outer tube (27) close to sophisticated (28) offers side opening (29).
A kind of 5. heart assistance pumping system according to claim 4, it is characterised in that：The proximal outer pipe (26) it is interior
Wall is fixedly connected sequentially from outside to inside intermediate layer (30) and internal layer (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711081497.4A CN107875466B (en) | 2017-11-07 | 2017-11-07 | A kind of heart assistance pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711081497.4A CN107875466B (en) | 2017-11-07 | 2017-11-07 | A kind of heart assistance pumping system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107875466A true CN107875466A (en) | 2018-04-06 |
| CN107875466B CN107875466B (en) | 2019-01-11 |
Family
ID=61779061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711081497.4A Active CN107875466B (en) | 2017-11-07 | 2017-11-07 | A kind of heart assistance pumping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107875466B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226989A (en) * | 2019-06-24 | 2019-09-13 | 内蒙古工业大学 | A kind of eddy current type vena cava filter and biofilter system |
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| CN85101745A (en) * | 1985-04-01 | 1987-01-31 | 艾斯特勒科技公司 | The artificial heart |
| US4781716A (en) * | 1987-02-13 | 1988-11-01 | Marc Richelsoph | Artificial heart |
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| CN104906643A (en) * | 2015-06-03 | 2015-09-16 | 湖南人文科技学院 | Blood pumping device |
| CN105107038A (en) * | 2015-09-10 | 2015-12-02 | 苏州大学张家港工业技术研究院 | Double-plunger cylinder driving artificial heart pump |
| CN206777567U (en) * | 2016-12-27 | 2017-12-22 | 安徽农业大学 | A kind of pneumatic heart auxiliary pump blood device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2638849A (en) * | 1947-01-29 | 1953-05-19 | Motorola Inc | Pump |
| GB780637A (en) * | 1954-10-06 | 1957-08-07 | Gasaccumulator Svenska Ab | Control arrangement in a pump having a pump chamber of periodically variable volume |
| US2889782A (en) * | 1956-06-06 | 1959-06-09 | Gen Motors Corp | Fuel pump with magnet |
| US3791769A (en) * | 1970-06-04 | 1974-02-12 | S Kovacs | Magnetic heart pump |
| CN85101745A (en) * | 1985-04-01 | 1987-01-31 | 艾斯特勒科技公司 | The artificial heart |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226989A (en) * | 2019-06-24 | 2019-09-13 | 内蒙古工业大学 | A kind of eddy current type vena cava filter and biofilter system |
| CN110226989B (en) * | 2019-06-24 | 2024-04-02 | 内蒙古工业大学 | Vortex type vena cava filter and filter system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107875466B (en) | 2019-01-11 |
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