CN108888813A - A kind of left ventricular assist device and application method - Google Patents
A kind of left ventricular assist device and application method Download PDFInfo
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- CN108888813A CN108888813A CN201810311926.0A CN201810311926A CN108888813A CN 108888813 A CN108888813 A CN 108888813A CN 201810311926 A CN201810311926 A CN 201810311926A CN 108888813 A CN108888813 A CN 108888813A
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- left ventricle
- air bag
- main framing
- hose
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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
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/04—Heartbeat characteristics, e.g. ECG, blood pressure modulation
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (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)
- Prostheses (AREA)
Abstract
The invention discloses a kind of left ventricular assist device and application methods, wherein including：Left ventricle skeleton and air bag, left ventricle skeleton include main framing and several second level skeletons；Several air bags along its axial direction are set on the lateral surface of main framing, several air bags are placed between main framing and several second level skeletons；The inner membrance of several air bag fitting left ventricles；Main framing is connected to several second level skeletons；Several second level skeletons are connected to several air bags；One end that each second level skeleton fits in left ventricle inner membrance is equipped with sensor；Gas dynamic system includes hose, pneumatic device and electric line；One end of hose is set in main framing, and the other end of hose is set to the outlet of pneumatic device；Pneumatic device includes shell, micro motor, valve and push rod；Air bag of the invention can be protected from the ventricle wall rupture of left ventricle, prevent the reverse movement of left room aneurysm, help left ventricle to realize accurate pace-making, while blood being helped to put out from left ventricle.
Description
Technical field
The present invention relates to the technical field of Internal Medicine-Cardiovascular Dept. medical instrument more particularly to a kind of skills of left ventricular assist device
Art field.
Background technique
Currently, left room auxiliary device used in clinic is mostly that atrium sinistrum or left ventricle blood flow are introduced the auxiliary pump housing,
Enter aorta through pump housing driving blood flow, substitutes left heart blood-pumping function completely.This not only needs complicated operation, and needs multiple
The instrument of miscellaneous valuableness.The heart functions after being serious Large Area Myocardial Infarction mostly of left room auxiliary device treatment are needed most in clinical position
Infull patient；Existing left room auxiliary device not only needs general anesthesia, but also surgery cost is expensive；Due to needing to follow in vitro
Ring causes larger pain to patient.
Summary of the invention
In view of the above deficiencies, the object of the present invention is to provide a kind of left ventricular assist devices, are avoided that general anesthesia, reduce
Surgery cost, protection infarcted region and the probability for reducing cardiac rupture.
In order to achieve the above object, the present invention uses following technical scheme：
A kind of left ventricular assist device, wherein including：
Left ventricle skeleton and air bag, the left ventricle skeleton include main framing and several second level skeletons, the main framing with
Several second level skeletons form a umbrella-shaped structure；Several circumference array are set on the lateral surface of the main framing in its axial institute
Air bag is stated, several air bags are placed between the main framing and several second level skeletons；Several air bags are bonded the left heart
The inner membrance of room, several air bags prevent the ventricle wall of the left ventricle from rupturing；The main framing and several second level skeletons
It is hollow pipe, the main framing is connected to several second level skeletons；Several second level skeletons are connected to several air bags；
One end that each second level skeleton fits in the left ventricle inner membrance is equipped with sensor；The sensor experiences the myocardium period,
And the releasable signal of sensor accurately paces the left ventricle；
Gas dynamic system, the gas dynamic system include hose, pneumatic device and electric line；One end of the hose
It is set in the main framing, the other end of the hose is set to the outlet of the pneumatic device；The pneumatic device includes
Shell, micro motor, valve and push rod；The micro motor, the valve and the push rod are set in the shell；It is described
Pneumatic device drives the push rod inflatable and deflatable to the hose by the micro motor；The hose is additionally provided with electric wire
Road, the electric line connect several sensors；
Power supply and control system, the power supply are set to that patient is subcutaneous or patient is external, and the power supply connects the electric wire
Road and the micro motor；The control system is circuit board, and the control system connects the sensor and the micro motor.
Above-mentioned a kind of left ventricular assist device, wherein the controller system regulates and controls the pneumatic device, and the air bag fills
The Frequency Synchronization of gas and deflation frequency and left ventricle beating.
Above-mentioned a kind of left ventricular assist device, wherein the outer wall of the air bag is covered by polytetrafluoroethylene film.
Above-mentioned a kind of left ventricular assist device, wherein the hose is that PVC material is made or metal material is made.
A kind of application method of left ventricular assist device, wherein including a kind of above-mentioned left ventricular assist device, the side
Method：
Step 1: puncture subclavian vein using conduit, through this access Direct perforantes atrial septum, anterior pectorial region it is subcutaneous or
After infra-axillary region makes pouch；The left ventricle skeleton and the air bag are sent into pouch through the conduit；The conduit reaches
In the left ventricle, the left ventricle skeleton and the air bag are released；The umbrella cover in the outside of the left ventricle skeleton is bonded
And support the left ventricle inner membrance；
Step 2: the control system controls the pneumatic device work, if the pneumatic device passes through the hose pair
It is inflatable and deflatable to do the air bag, so that several air bag expansions and contraction help so that the air bag plays the role of pump
Blood is radiated from the left ventricle；
Step 3: if desired pace to the left ventricle, the electric line and described is controlled by the circuit board
Sensor paces the left ventricle inner membrance of any side.
With above technical scheme, following beneficial effect can be reached：
Air bag of the invention can be protected from the ventricle wall rupture of left ventricle, prevent the reverse movement of left room aneurysm,
Left ventricle is paced, while blood being helped to put out from left ventricle；Left ventricle can also be realized and be paced under the accurate internal membrane of heart, solution is determined
The problem of flesh systolic dyssynchrony.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of left ventricular assist device of the invention.
Fig. 2 is a kind of scheme of installation of the sensor of left ventricular assist device of the invention.
In attached drawing：11, main framing；12, second level skeleton；13, air bag；21, hose；22, pneumatic device；23, electric line；
231, shell；232, micro motor；233, valve；234, push rod；31, power supply；32, control system.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Fig. 1 is a kind of schematic diagram of left ventricular assist device of the invention.Fig. 2 is a kind of left ventricle auxiliary dress of the invention
The scheme of installation for the sensor set.
Referring to fig. 1 to fig. 2, in a kind of preferred embodiment, a kind of left ventricular assist device, wherein including：
Left ventricle skeleton and gas-bag system, left ventricle skeleton include main framing 11 and several second level skeletons 12, main framing 11
A umbrella-shaped structure is formed with several second level skeletons 12, several circumference array are set on the lateral surface of main framing 11 in its axial air bag
13, several air bags 13 are placed between main framing 11 and several second level skeletons 12；Several air bags 13 are bonded the inner membrance of left ventricle 4, if
Dry gas capsule 13 prevents the ventricle wall of left ventricle from rupturing, and can shield the reverse activity of aneurysm, improves heart function；Main framing 11
It is hollow pipe with several second level skeletons 12, main framing 11 is connected to several second level skeletons 12；Several second level skeletons 12 are connected to
Several air bags 13；The end face that each second level skeleton 12 fits in one end of left ventricle inner membrance is equipped with recess, is equipped with sensing in recess
Device 121；Sensor 121 experiences the myocardium period, obtains electrocardiosignal；And sensor 121 can pace left ventricle 4.
Gas dynamic system, gas dynamic system include hose 21, pneumatic device 22 and electric line 23；One end of hose 21
It is set in main framing 11, the other end of hose 21 is set to the outlet of pneumatic device 22；Pneumatic device 22 include shell 231,
Micro motor 232, valve 233 and push rod 234；Micro motor 232, valve 233 and push rod 234 are set in shell 231；Pneumatically
Device 22 drives push rod 234 inflatable and deflatable to hose 21 by micro motor 232；Hose 21 is additionally provided with electric line 23, electricity
Route 23 connects several sensors 121.
It further include power supply 31 and control system 32, power supply 31 is set to that patient is subcutaneous or patient is external, and power supply 31 connects electricity
Route 23 and micro motor 232；Control system 32 is circuit board, and control system 32 connects sensor 121 and micro motor 232.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses.
Further, in a kind of preferred embodiment, control system 32 can obtain the heart of left ventricle 4 according to sensor 121
Electric signal, and according to the frequency of electrocardiosignal adjustment micro motor 232；So that the inflatable and deflatable frequency of air bag 13 and left ventricle are beaten
Frequency Synchronization.Also, control system 32 also can control several sensors 121, so that specified sensor 121 is in left ventricle
Film carries out fixed point pace-making.
Further, in a kind of preferred embodiment, the outer wall of air bag 13 is covered by polytetrafluoroethylene film.
Further, in a kind of preferred embodiment, hose 21 is that PVC material is made or metal material is made.
In addition to the implementation, the present invention also has following application method, shown in Figure 1：
Step 1: puncture subclavian vein using conduit, through this access Direct perforantes atrial septum, anterior pectorial region it is subcutaneous or
After infra-axillary region makes pouch；Left ventricle skeleton and gas-bag system are sent into pouch through conduit；Conduit reaches in left ventricle 4, left
Ventricle skeleton and gas-bag system are released；The umbrella cover in the outside of left ventricle skeleton is bonded and supports left ventricle inner membrance.
It works Step 2: control system 32 controls pneumatic device 22, pneumatic device 22 is by hose 21 to several air bags 13
It is inflatable and deflatable, so that 13 expansion and contraction of several air bags help blood from the left heart so that several air bags 13 play the role of pump
It is radiated room 4.
Step 3: if desired pacing to left ventricle 4, electric line 23 and sensor 121 are controlled by control system 32
The left ventricle inner membrance of any side is paced.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention, right
For those skilled in the art, it should can appreciate that and all replace with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (5)
1. a kind of left ventricular assist device, which is characterized in that including：
Left ventricle skeleton and air bag, the left ventricle skeleton include main framing and several second level skeletons, the main framing with it is several
The second level skeleton forms a umbrella-shaped structure；Several circumference array are set on the lateral surface of the main framing in its axial gas
Capsule, several air bags are placed between the main framing and several second level skeletons；Several air bag fitting left ventricles
Inner membrance, several air bags prevent the ventricle wall of the left ventricle from rupturing；The main framing is with several second level skeletons
Hollow pipe, the main framing are connected to several second level skeletons, and several second level skeletons are connected to several air bags；Often
One end that the one second level skeleton fits in the inner membrance of the left ventricle is equipped with sensor；The sensor experiences the myocardium period,
And it discharges electric signal to pace the left ventricle；
Gas dynamic system, the gas dynamic system include hose, pneumatic device and electric line；One end of the hose is arranged
In in the main framing, the other end of the hose is set to the outlet of the pneumatic device；The pneumatic device include shell,
Micro motor, valve and push rod；The micro motor, the valve and the push rod are set in the shell；It is described pneumatic
Device drives the push rod inflatable and deflatable to the hose by the micro motor；The hose is additionally provided with electric line,
The electric line connects several sensors；
Power supply and control system, the power supply are set to that patient is subcutaneous or patient is external, the power supply connect the electric line and
The micro motor；The control system is circuit board, and the control system connects the sensor and the micro motor.
2. a kind of left ventricular assist device according to claim 1, which is characterized in that the controller system regulates and controls the gas
Dynamic device, the Frequency Synchronization of the inflatable and deflatable frequency of air bag and left ventricle beating.
3. a kind of left ventricular assist device according to claim 1, which is characterized in that the outer wall of the air bag is by polytetrafluoroethyl-ne
The covering of alkene film.
4. a kind of left ventricular assist device according to claim 1, which is characterized in that the hose be PVC material be made or
Metal material is made.
5. a kind of application method of left ventricular assist device, which is characterized in that including a kind of left heart described in Claims 1-4
Room auxiliary device, the method：
Step 1: subclavian vein is punctured using conduit, it is subcutaneous in anterior pectorial region or oxter through this access Direct perforantes atrial septum
After making pouch；The left ventricle skeleton and the air bag are sent into pouch through the conduit；The conduit reaches the left side
Intra-ventricle, the left ventricle skeleton and the air bag are released；The umbrella cover in the outside of the left ventricle skeleton is bonded and supports
Play the left ventricle inner membrance；
Step 2: the control system controls the pneumatic device work, the pneumatic device is by the hose to several institutes
It is inflatable and deflatable to state air bag, so that several air bag expansions and contraction help blood so that the air bag plays the role of pump
It is radiated from the left ventricle；
Step 3: if desired pacing to the left ventricle, the electric line and the biography are controlled by the control system
Sensor paces the left ventricle inner membrance of any side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311926.0A CN108888813A (en) | 2018-04-09 | 2018-04-09 | A kind of left ventricular assist device and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311926.0A CN108888813A (en) | 2018-04-09 | 2018-04-09 | A kind of left ventricular assist device and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108888813A true CN108888813A (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810311926.0A Pending CN108888813A (en) | 2018-04-09 | 2018-04-09 | A kind of left ventricular assist device and application method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646278A (en) * | 2019-01-14 | 2019-04-19 | 任莹 | A kind of internal medicine heart booster |
| CN113270018A (en) * | 2021-05-24 | 2021-08-17 | 哈尔滨工业大学 | A body lung blood circulation analog system for artificial organ test |
| US11241571B2 (en) | 2019-09-24 | 2022-02-08 | Marvin Liu | Implantable ventricular assist device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10174713A (en) * | 1996-12-17 | 1998-06-30 | Buaayu:Kk | Heart assisting device |
| US6540659B1 (en) * | 2000-11-28 | 2003-04-01 | Abiomed, Inc. | Cardiac assistance systems having bi-directional pumping elements |
| CN201519326U (en) * | 2009-10-23 | 2010-07-07 | 杨碧波 | Cardiac pulsation auxiliary system |
| CN104146855A (en) * | 2014-08-29 | 2014-11-19 | 刘超 | Heart auxiliary device |
| CN106573090A (en) * | 2014-06-30 | 2017-04-19 | 天主教大学基金会 | Heart support device |
-
2018
- 2018-04-09 CN CN201810311926.0A patent/CN108888813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10174713A (en) * | 1996-12-17 | 1998-06-30 | Buaayu:Kk | Heart assisting device |
| US6540659B1 (en) * | 2000-11-28 | 2003-04-01 | Abiomed, Inc. | Cardiac assistance systems having bi-directional pumping elements |
| CN201519326U (en) * | 2009-10-23 | 2010-07-07 | 杨碧波 | Cardiac pulsation auxiliary system |
| CN106573090A (en) * | 2014-06-30 | 2017-04-19 | 天主教大学基金会 | Heart support device |
| CN104146855A (en) * | 2014-08-29 | 2014-11-19 | 刘超 | Heart auxiliary device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646278A (en) * | 2019-01-14 | 2019-04-19 | 任莹 | A kind of internal medicine heart booster |
| US11241571B2 (en) | 2019-09-24 | 2022-02-08 | Marvin Liu | Implantable ventricular assist device |
| CN113270018A (en) * | 2021-05-24 | 2021-08-17 | 哈尔滨工业大学 | A body lung blood circulation analog system for artificial organ test |
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Application publication date: 20181127 |