CN109125829A - A kind of artificial heart power assist apparatus and application method - Google Patents
A kind of artificial heart power assist apparatus and application method Download PDFInfo
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- CN109125829A CN109125829A CN201810948447.XA CN201810948447A CN109125829A CN 109125829 A CN109125829 A CN 109125829A CN 201810948447 A CN201810948447 A CN 201810948447A CN 109125829 A CN109125829 A CN 109125829A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000007789 gas Substances 0.000 claims description 48
- 238000005273 aeration Methods 0.000 claims description 21
- 239000011261 inert gas Substances 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims 1
- 239000008280 blood Substances 0.000 abstract description 31
- 210000004369 blood Anatomy 0.000 abstract description 31
- 230000008859 change Effects 0.000 abstract description 10
- 206010020565 Hyperaemia Diseases 0.000 abstract description 5
- 238000000338 in vitro Methods 0.000 abstract description 5
- 230000000747 cardiac effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 210000002837 heart atrium Anatomy 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 230000002107 myocardial effect Effects 0.000 description 2
- 210000001013 sinoatrial node Anatomy 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002554 cardiac rehabilitation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000005240 left ventricle Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 210000005241 right ventricle Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000002620 vena cava superior Anatomy 0.000 description 1
Classifications
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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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/247—Positive displacement blood pumps
- A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
- A61M60/258—Piston pumps
-
- 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
- A61M2205/04—General characteristics of the apparatus implanted
-
- 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
- A61M2205/07—General characteristics of the apparatus having air pumping means
- A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
- A61M2205/073—Syringe, piston type
-
- 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
- A61M2205/3303—Using a biosensor
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/08—Other bio-electrical signals
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention provides a kind of artificial heart power assist apparatus and application methods, including artificial heart main body, power-assisted component, valve member, control assembly and monitor component；Monitor component is used to monitor the state parameter of artificial heart main body and state parameter is sent to control assembly, and power-assisted component includes cylinder；Valve member includes: control valve；Cylinder is connect by control valve with artificial heart main body, the present invention passes through according to state parameter, when determining that artificial heart main body is in different conditions, change the volume of cylinder by power-assisted component, blood or auxiliary hyperemia are penetrated to carry out the auxiliary of artificial heart main body, since the structure of power-assisted component is simple, operation is more stable, and can be placed in by user and be carried in vitro, it avoids and is directly contacted with blood.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of artificial heart power assist apparatus and users
Method.
Background technique
Artificial heart and human heart sizableness, artificial heart refer to save more and more cardiacs'
Life, and a kind of man-made organ developed, it will usually corresponding power assist apparatus is integrated or connected on artificial heart,
To provide power-assisted for artificial heart.
Currently, the power assist apparatus of artificial heart is based on the axial-flow type magnetic suspension pump that is arranged in inside artificial heart,
The equipment cooperates the working method of artificial heart different from the working method of normal human's heart, belongs to continuous phlebotomizing and continuous confession
Blood working method, i.e. magnetic suspension pump achieve the purpose that pump blood entering in aorta from the blood pump released in ventricle.
But the setting of the power assist apparatus of current artificial heart is in patient body, and unstable working condition, it can not
The meeting avoided damages myocardial structural, generates the reaction such as bleeding, blood coagulation, infection, immune.
Summary of the invention
The present invention provides a kind of artificial heart power assist apparatus and application method, to solve artificial heart in the prior art
Power assist apparatus setting in patient body, and unstable working condition inevitably damages myocardial structural
The problem of.
According to the first aspect of the invention, a kind of artificial heart power assist apparatus, the artificial heart power are provided
Ancillary equipment includes:
Artificial heart main body, power-assisted component, valve member, control assembly and monitor component；
The monitor component is connect with the artificial heart main body, for monitoring the state parameter of the artificial heart main body
And the state parameter is sent to the control assembly；
The power-assisted component includes cylinder；The valve member includes: control valve；
The cylinder is connect by the control valve with the artificial heart main body；
The control assembly is connect with the power-assisted component and the control valve respectively；
According to the state parameter, when determining that the artificial heart main body is in first state, the control assembly control
The control valve is opened, and controls the volume that the power-assisted component reduces the cylinder；
According to the state parameter, when determining that the artificial heart main body is in the second state, the control assembly control
The power-assisted component expands the volume of the cylinder；
According to the state parameter, when determining that the artificial heart main body is in the third state, the control assembly control
The power-assisted component stops expanding the volume of the cylinder.
According to the second aspect of the invention, a kind of application method of artificial heart power assist apparatus, the side are provided
Method includes:
Obtain state parameter；
According to the state parameter, when determining that artificial heart main body is in first state, opening controlling valve, and control power
The volume of accessory part diminution cylinder；
The power-assisted is controlled when determining that the artificial heart main body is in the second state according to the state parameter
Component expands the volume of the cylinder；
The power-assisted is controlled when determining that the artificial heart main body is in the third state according to the state parameter
Component stops expanding the volume of the cylinder.
A kind of artificial heart power assist apparatus provided in an embodiment of the present invention and application method, including artificial heart master
Body, power-assisted component, valve member, control assembly and monitor component；Monitor component is used to monitor the shape of artificial heart main body
State parameter is simultaneously sent to control assembly by state parameter, and power-assisted component includes cylinder；Valve member includes: control valve；Gas
Cylinder is connect by control valve with artificial heart main body, and the embodiment of the present invention is by determining artificial heart master according to state parameter
When body is in different conditions, change the volume of cylinder by power-assisted component, so that the auxiliary for carrying out artificial heart main body penetrates blood
Or auxiliary is congested, since the structure of power-assisted component is simple, operation is more stable, and can be placed in by user and be taken with oneself in vitro
Band is avoided and is directly contacted with blood.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of artificial heart power assist apparatus provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of gas circuit of artificial heart power assist apparatus provided in an embodiment of the present invention；
Fig. 3 is a kind of sectional view of power-assisted component provided in an embodiment of the present invention；
Fig. 4 is a kind of electrocardiogram provided in an embodiment of the present invention；
Fig. 5 is a kind of step process of the application method of artificial heart power assist apparatus provided in an embodiment of the present invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
A kind of artificial heart power-assisted provided by the invention is discussed in detail below by several specific embodiments are enumerated
Equipment and application method.
Referring to Fig.1, a kind of structural block diagram of artificial heart power assist apparatus provided by the invention, artificial heart are shown
Power assist apparatus includes: artificial heart main body 10, power-assisted component 20, valve member 30, control assembly 40 and monitoring group
Part 50；Monitor component 50 is connect with artificial heart main body 10, for monitoring the state parameter of artificial heart main body 10 and by state
Parameter is sent to control assembly 40.
Specifically, showing a kind of gas circuit principle of artificial heart power assist apparatus provided by the invention referring to Fig. 2
Figure, power-assisted component 20 include cylinder 201；Valve member 30 includes: control valve 301, cylinder 201 by control valve 301 with
Artificial heart main body 10 connects.
Further, control assembly (not drawing in Fig. 2) is connect with power-assisted component 20 and control valve 301 respectively；Root
According to state parameter, when determining that artificial heart main body 10 is in first state, control assembly controls control valve 301 and opens, and controls
The volume of the diminution cylinder 201 of power-assisted component 20；According to state parameter, determine that artificial heart main body 10 is in the second state
When, the volume that control assembly control power-assisted component 20 expands cylinder 201 determines artificial heart main body according to state parameter
10 be in the third state when, control assembly control power-assisted component 20 stop expand cylinder 201 volume.
It, can be by progress manually when leading to its Cardiac Power deficiency when patient waits other heart diseases with congenital
Heart transplant, and power is provided for artificial heart by artificial heart power assist apparatus, to help cardiac rehabilitation.
In embodiments of the present invention, artificial heart main body 10 can be set in patient body, to substitute the function of original heart
Can, achieve the purpose that pump blood, artificial heart power assist apparatus can be set outside patient body, be carried by patient, manually
It can be set multiple for penetrating the sacculus of blood inside heart main body 10, and artificial heart main body 10 has an interface, and artificial
The control valve 301 of Cardiac Power ancillary equipment connects, and power-assisted component 20 can be by controlling by reducing the volume of cylinder 201
Valve 301 is filled with gas to the sacculus inside artificial heart main body 10, squeezes artificial heart main body 10, improves artificial heart main body 10
Penetrate blood ability, in addition, power-assisted component 20 can be by control valve 301 by artificial heart by expanding the volume of cylinder 201
The gas extraction being filled with inside main body 10, avoids squeezing artificial heart main body 10, makes the quick blood back of artificial heart main body 10,
The change of 201 volume of cylinder is completed to operate the inflation/deflation of artificial heart main body 10 by power-assisted component 20, is made
It obtains and provides stable auxiliary power to the pump blood operation of artificial heart main body 10, improve the pump blood ability of artificial heart.
It should be noted that monitor component 50 may include first pressure sensor 501, first pressure sensor 501 with
Cylinder 201 connects, and for the internal pressure value of real-time monitoring cylinder 201, power-assisted component 20 is connect with cylinder 201, is passed through
The movement of power-assisted component 20 and the volume size for changing cylinder 201, for example, power-assisted component 20 can be for cylinder
Air pump.
In one embodiment of the invention, referring to Fig. 3, a kind of power-assisted component provided by the invention is shown
Sectional view, power-assisted component 20 can be a kind of reciprocating pump, comprising: cylinder 201, driving motor 202, shaft coupling 203, song
Axis 204, connecting rod 205, bearing 206 and piston 207, wherein the drive shaft of driving motor 202 passes through shaft coupling 203 and crankshaft 204
Connection, crankshaft 204 are connect by connecting rod 205 with the piston 207 being arranged in cylinder 201, are led between piston 207 and connecting rod 205
The connection of bearing 206 is crossed, the top of cylinder 201 is provided with heart pipe interface 208, and heart pipe interface 208 passes through control valve 301
It is connect with artificial heart main body 10, by the driving of driving motor 202, crankshaft 204 and connecting rod 205 can be in pistons 207
Lower movement, when the volume of cylinder 201 increases, can be extracted out manually to change the volume in cylinder 201 by control valve 301
The gas in sacculus inside heart main body 10 makes the quick blood back of artificial heart main body 10, when the volume of cylinder 201 reduces,
It can be filled with gas to the sacculus inside artificial heart main body 10 by control valve 301, squeeze artificial heart main body 10, improve artificial
Heart main body 10 penetrates blood ability.
In the case where meeting job requirement, the volume of reciprocating pump can design very little, and the structure letter of reciprocating pump
Single, buffering effect is preferable, runs smoothly, and can satisfy convenient for portable requirement, is set with reaching artificial heart power-assisted
The miniaturization of standby volume improves the portability of artificial heart power assist apparatus, and artificial heart power assist apparatus can
To be arranged outside patient body, avoids and directly contacted with blood, reduce the damage caused by artificial heart.
In embodiments of the present invention, monitor component 50 can be used for monitoring each state parameter letter of artificial heart main body 10
Breath, such as: endocardial pressure, electrocardiogram, for example, monitor component 50 may include electrocardiograph, artificial heart main body 10
In each cardiac cycle, along with bioelectric variation, the electricity of diversified forms is drawn from the patient's body surface by electrocardiograph
The figure of position variation, i.e. electrocardiogram.
It should be noted that showing a kind of electrocardiogram provided by the invention, in a cardiac cycle, people referring to Fig. 4
Work heart main body 10 can once be penetrated blood and primary hyperemia, and have a variety of wave bands, in the embodiment of the present invention, monitor component
50 state parameter for monitoring corresponds to R wave, T wave and P wave in electrocardiogram.Wherein, P wave refers to that the electric shock of heart is dynamic from antrum
Knot starts, since sinoatrial node is located at the intersection of atrium dextrum and superior vena cava, so the excitement of sinoatrial node is transmitted to the right heart first
Room passes to atrium sinistrum by interatrial tract, forms the P wave on electrocardiogram, and P wave represents the excitement in atrium.R wave refers to swashing for heart
Wave group is formed through Xinier reservoir, left and right beam branch synchronous activition left and right ventricles under trend, R wave represents the depolarization of ventricle.T wave represents
The multipole of ventricle, the lead in the main wave direction of R wave, T wave should be identical as R wave direction, and the change of T wave is by many factors on electrocardiogram
Influence.
It therefore,, can be into one when determining that artificial heart main body 10 is in R wave when the electrocardiogram for including according to state parameter
It walks and determines artificial heart main body 10 in the blood phase is penetrated, the control valve 301 of control assembly control at this time is opened, and controls power-assisted group
Part 20 reduces the volume of cylinder 201, gas is filled with to the sacculus inside artificial heart main body 10, so that in artificial heart main body 10
Portion's pressure rise, to penetrate blood to the auxiliary of artificial heart main body 10.
It further,, can be with when determining that artificial heart main body 10 is in T wave when the electrocardiogram for including according to state parameter
Further determine that the blood phase is penetrated in the end of artificial heart main body 10, the control power-assisted component 20 of control assembly control at this time expands cylinder
201 volume is extracted out the gas inside artificial heart main body 10 by cylinder 201, so that 10 internal pressure of artificial heart main body
It reduces, is squeezed to avoid to artificial heart main body 10, make the quick blood back of artificial heart main body 10.
In conclusion a kind of artificial heart power assist apparatus provided in an embodiment of the present invention, including artificial heart main body,
Power-assisted component, valve member, control assembly and monitor component；Monitor component is used to monitor the state ginseng of artificial heart main body
State parameter is simultaneously sent to control assembly by number, and power-assisted component includes cylinder；Valve member includes: control valve；Cylinder is logical
It crosses control valve to connect with artificial heart main body, the embodiment of the present invention is by determining at artificial heart main body according to state parameter
When different conditions, change the volume of cylinder by power-assisted component, so that the auxiliary for carrying out artificial heart main body penetrates blood or auxiliary
Hyperemia is helped, since the structure of power-assisted component is simple, operation is more stable, and can be placed in by user and be carried in vitro,
It avoids and is directly contacted with blood.
Optionally, referring to Fig. 2, power-assisted component further include: gas cylinder 209；Valve member 30 further include: aeration valve 302；
Gas cylinder 203 is connect by aeration valve 302 with cylinder 201；Control assembly control aeration valve 302 opens or closes.
In embodiments of the present invention, it is less than pre-determined distance at a distance from artificial heart main body 10 when power-assisted component 20
When, the flowing velocity of air can achieve artificial heart normal use purpose, gas cylinder 209 can not needed at this time, by cylinder 201
Tonifying Qi is carried out from outside air by aeration valve 302, but when power-assisted component 20 is at a distance from artificial heart main body 10
When greater than pre-determined distance, the flowing velocity of air is unable to reach artificial heart normal use purpose at this time, it is therefore desirable to increase volume
The biggish gas cylinder 209 of level pressure force value, by gas cylinder 209 to 201 tonifying Qi of cylinder.
It should be noted that monitor component 50 may include second pressure sensor 502, second pressure sensor 502 with
Gas cylinder 209 connects, for the internal pressure value of real-time monitoring gas cylinder 209,
Optionally, referring to Fig. 2, valve member 30 further include: vent valve 303；Vent valve 303 is connect with cylinder 201；Control
Component control vent valve 303 opens or closes.
In practical applications, under identical pressure and temperature, the flowing velocity of inert gas (such as helium) is higher than air, because
This, can store inert gas in gas cylinder 209, preset when power-assisted component 20 is greater than at a distance from artificial heart main body 10
Apart from when, the reaction speed of artificial heart power assist apparatus can be improved using inert gas.But artificial heart power-assisted is set
After standby assembling, the inside of all parts is all air, is needed air device for transferring using vent valve 303, and using lazy
Property gas replace, when the gas circuit length of pipe of power-assisted component 20 is shorter, can also directly use air, not using air
Need exhaust flow path.
Optionally, the gas in gas cylinder 209 is inert gas, and exhaust flow path can be divided into following steps:
Step A1, when the gas in the cylinder is air, the control assembly closes the control valve.
Step A2, when the pressure in the cylinder reaches the first preset threshold, the control assembly controls the power
Accessory part reduces the volume of the cylinder, and controls the vent valve and open.
Step A3, when the volume minimum of the cylinder, the control assembly controls the vent valve and closes.
Step A4, the control assembly control the aeration valve and open, and control described in the power-assisted component expansion
Inert gas in the gas cylinder is imported the cylinder by the aeration valve by the volume of cylinder.
Step A5, when the volume maximum of the cylinder, the control assembly controls the aeration valve and closes, and enters institute
It states control assembly and controls the power-assisted component and reduce the volume of the cylinder, and control the step of vent valve is opened,
Until the stopping when the inert gas content in the cylinder reaches preset value.
Therefore, it is abandoned by the circulation of certain number, is constantly deflated by vent valve 303, realize the row of air in gas circuit
Out.
Optionally, referring to Fig. 2, valve member 30 further include: pressure reducing valve 304；The setting of pressure reducing valve 304 is in gas cylinder 209 and mends
Between air valve 303；Control assembly control pressure reducing valve 304 opens or closes.
In embodiments of the present invention, pressure reducing valve 304 is the outlet pressure by the way that inlet pressure to be reduced to a certain needs, and according to
By the energy of medium itself, outlet pressure is made to automatically keep stable valve, pressure reducing valve 304 is the safety guarantee member of gas cylinder 209
Part, can ensure gas cylinder 209 using safe, the pressure value for avoiding gas cylinder 209 from leading to output because of failure is excessive.
Optionally, referring to Fig. 2, valve member 30 further include: overflow valve 305；Overflow valve 305 is connect with cylinder 201；Control
Component control overflow valve 305 opens or closes.
In embodiments of the present invention, when gas cylinder 209 carries out tonifying Qi operation to cylinder 201, if the pressure in cylinder 201 is high
When the maximum pressure of design, then overflow valve 305 can automatically open, to guarantee safety.Wherein, it is preferred that gas cylinder 209 it is specified
Pressure limit is 5 megapascal to 20 megapascal.
Optionally, state parameter includes the ECG information of artificial heart main body.In embodiments of the present invention, control module
It can determine which kind of electrocardio wave is artificial heart main body be currently at according to the ECG information of the artificial heart main body monitored
Section, to carry out the control to respective valves component 30, so that being realized by power-assisted component 20 to the auxiliary of artificial heart main body
It helps and penetrates blood and auxiliary hyperemia.
Optionally, power-assisted component 20 includes any one in reciprocating air pump, bellows-type air pump.The present invention is real
It applies example and this is not construed as limiting.
In conclusion a kind of artificial heart power assist apparatus provided in an embodiment of the present invention, including artificial heart main body,
Power-assisted component, valve member, control assembly and monitor component；Monitor component is used to monitor the state ginseng of artificial heart main body
State parameter is simultaneously sent to control assembly by number, and power-assisted component includes cylinder；Valve member includes: control valve；Cylinder is logical
It crosses control valve to connect with artificial heart main body, the embodiment of the present invention is by determining at artificial heart main body according to state parameter
When different conditions, change the volume of cylinder by power-assisted component, so that the auxiliary for carrying out artificial heart main body penetrates blood or auxiliary
Hyperemia is helped, since the structure of power-assisted component is simple, operation is more stable, and can be placed in by user and be carried in vitro,
It avoids and is directly contacted with blood.
Referring to Fig. 5, the step of showing a kind of application method of artificial heart power assist apparatus provided by the invention stream
Cheng Tu the described method comprises the following steps:
Step 510, state parameter is obtained.
In this step, monitor component can be used for monitoring each state parameter information of artificial heart main body, such as: heart
Internal pressure, electrocardiogram etc., for example, monitor component may include electrocardiograph, artificial heart main body is in each cardiac cycle
In, along with bioelectric variation, the figure of the potential change of diversified forms is drawn from the patient's body surface by electrocardiograph, i.e.,
Electrocardiogram.
Step 520, according to the state parameter, when determining that artificial heart main body is in first state, opening controlling valve, and
Control the volume that power-assisted component reduces cylinder.
In this step, it when the electrocardiogram for including according to state parameter, when determining that artificial heart main body is in R wave, and ties
The information such as mechanics for closing air pressure, artificial heart main body may further determine that artificial heart main body is in and penetrate the blood phase, at this time
Control assembly control control control valve 301 is opened, and controls the volume that power-assisted component 20 reduces cylinder 201, to the artificial heart
Sacculus inside dirty main body 10 is filled with gas, so that 10 internal pressure of artificial heart main body increases, to artificial heart main body 10
Auxiliary penetrates blood.
Step 530, according to the state parameter, when determining that the artificial heart main body is in the second state, described in control
Power-assisted component expands the volume of the cylinder.
In this step, it when the electrocardiogram for including according to state parameter, when determining that artificial heart main body is in T wave, and ties
The information such as mechanics for closing air pressure, artificial heart main body, may further determine that artificial heart main body terminates to penetrate the blood phase, at this time
Control assembly controls the volume that power-assisted component 20 expands cylinder 201, by cylinder 201 by the gas inside artificial heart main body 10
Body extraction squeezes to avoid to artificial heart main body 10 so that 10 internal pressure of artificial heart main body reduces, makes artificial heart master
The quick blood back of body 10.
Step 540, according to the state parameter, when determining that the artificial heart main body is in the third state, described in control
Power-assisted component stops expanding the volume of the cylinder.
In this step, when determining that artificial heart main body is in the third state, i.e., artificial heart main body is full in slowing down
Phase stops the volume for expanding cylinder at this time, waits and enter next cardiac cycle.
Optionally, can also include following sub-step in another implementation of the embodiment of the present invention:
Step B1 closes the control valve when the gas in the cylinder is air.
Step B2 is controlled described in the power-assisted component diminution when the pressure in the cylinder reaches preset threshold
The volume of cylinder, and control vent valve unlatching.
Step B3 controls the vent valve and closes when the volume minimum of the cylinder.
In this step, inert gas can be made to flow into cylinder through aeration valve from gas cylinder.
Step B4, control aeration valve is opened, and controls the volume that the power-assisted component expands the cylinder, by gas cylinder
In inert gas the cylinder is imported by the aeration valve.
Step B5 controls the aeration valve and closes when the volume maximum of the cylinder, and it is auxiliary to enter the control power
It helps component to reduce the volume of the cylinder, and controls the step of vent valve is opened, until when the indifferent gas in the cylinder
Stopping when body content reaches default content value.
Therefore, it is abandoned by the circulation of certain number, is constantly deflated by vent valve 303, realize the row of air in gas circuit
Out.
In conclusion a kind of artificial heart power assist apparatus application method provided in an embodiment of the present invention, including obtain
State parameter；According to state parameter, when determining that artificial heart main body is in first state, opening controlling valve, and it is auxiliary to control power
Component is helped to reduce the volume of cylinder；According to state parameter, when determining that artificial heart main body is in the second state, power-assisted is controlled
The volume of component expansion cylinder；According to state parameter, when determining that artificial heart main body is in the third state, power-assisted group is controlled
Part stops expanding the volume of the cylinder, and the present invention is determining that artificial heart main body is in different shapes by according to state parameter
When state, change the volume of cylinder by power-assisted component, so that the auxiliary for carrying out artificial heart main body penetrates blood or auxiliary is congested, by
It is simple in the structure of power-assisted component, it runs more stable, and can be placed in by user and be carried in vitro, avoid and blood
Liquid directly contacts.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of artificial heart power assist apparatus, which is characterized in that the artificial heart power assist apparatus includes:
Artificial heart main body, power-assisted component, valve member, control assembly and monitor component；
The monitor component is connect with the artificial heart main body, for monitoring the state parameter of the artificial heart main body and inciting somebody to action
The state parameter is sent to the control assembly；
The power-assisted component includes: cylinder；The valve member includes: control valve；
The cylinder is connect by the control valve with the artificial heart main body；
The control assembly is connect with the power-assisted component and the control valve respectively；
According to the state parameter, when determining that the artificial heart main body is in first state, described in the control assembly control
Control valve is opened, and controls the volume that the power-assisted component reduces the cylinder；
According to the state parameter, when determining that the artificial heart main body is in the second state, described in the control assembly control
Power-assisted component expands the volume of the cylinder；
According to the state parameter, when determining that the artificial heart main body is in the third state, described in the control assembly control
Power-assisted component stops expanding the volume of the cylinder.
2. artificial heart power assist apparatus according to claim 1, which is characterized in that the power-assisted component also wraps
It includes: gas cylinder；The valve member further include: aeration valve；
The gas cylinder is connect by the aeration valve with the cylinder；
The control assembly controls the aeration valve and opens or closes.
3. artificial heart power assist apparatus according to claim 2, which is characterized in that the valve member further include:
Pressure reducing valve；
The pressure reducing valve is arranged between the gas cylinder and the aeration valve；
The control assembly controls the pressure reducing valve and opens or closes.
4. artificial heart power assist apparatus according to claim 3, which is characterized in that the valve member further include:
Vent valve；
The vent valve is connect with the cylinder；
The control assembly controls the vent valve and opens or closes.
5. artificial heart power assist apparatus according to claim 4, which is characterized in that the gas in the gas cylinder is lazy
Property gas；
When the gas in the cylinder is air, the control assembly closes the control valve；
When the pressure in the cylinder reaches preset threshold, the control assembly is controlled described in the power-assisted component diminution
The volume of cylinder, and control the vent valve and open；
When the volume minimum of the cylinder, the control assembly controls the vent valve and closes；
The control assembly controls the aeration valve and opens, and controls the volume that the power-assisted component expands the cylinder,
Inert gas in the gas cylinder is imported into the cylinder by the aeration valve；
When the volume maximum of the cylinder, the control assembly controls the aeration valve and closes, and enters the control assembly
It controls the power-assisted component and reduces the volume of the cylinder, and control the step of vent valve is opened, until when described
Stopping when inert gas content in cylinder reaches default content value.
6. artificial heart power assist apparatus according to claim 1, which is characterized in that the valve member further include:
Overflow valve；
The overflow valve is connect with the cylinder；
The control assembly controls the overflow valve and opens or closes.
7. artificial heart power assist apparatus according to claim 1, which is characterized in that the state parameter includes described
The ECG information of artificial heart main body.
8. artificial heart power assist apparatus according to claim 1, which is characterized in that the power-assisted component includes
Any one in reciprocating air pump, bellows-type air pump.
9. a kind of application method of artificial heart power assist apparatus as described in any of the claims 1 to 8, which is characterized in that
The described method includes:
Obtain state parameter；
According to the state parameter, when determining that artificial heart main body is in first state, opening controlling valve, and control power-assisted
The volume of component diminution cylinder；
According to the state parameter, when determining that the artificial heart main body is in the second state, the power-assisted component is controlled
Expand the volume of the cylinder；
According to the state parameter, when determining that the artificial heart main body is in the third state, the power-assisted component is controlled
Stop expanding the volume of the cylinder.
10. according to the method described in claim 9, it is characterized in that, the method also includes:
When the gas in the cylinder is air, the control valve is closed；
When the pressure in the cylinder reaches preset threshold, the volume that the power-assisted component reduces the cylinder is controlled,
And control vent valve unlatching；
When the volume minimum of the cylinder, controls the vent valve and close；
It controls aeration valve to open, and controls the volume that the power-assisted component expands the cylinder, by the indifferent gas in gas cylinder
Body imports the cylinder by the aeration valve；
It when the volume maximum of the cylinder, controls the aeration valve and closes, and enter and control the power-assisted component diminution
The volume of the cylinder, and the step of vent valve is opened is controlled, until the inert gas content in the cylinder reaches
Stop when default content value.
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|---|---|---|---|
| CN201810564182 | 2018-06-04 | ||
| CN2018105641823 | 2018-06-04 |
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| CN109125829A true CN109125829A (en) | 2019-01-04 |
| CN109125829B CN109125829B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810948447.XA Active CN109125829B (en) | 2018-06-04 | 2018-08-20 | Artificial heart power auxiliary equipment and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156254A (en) * | 2020-10-14 | 2021-01-01 | 北京航空航天大学 | Extracorporeal circulation artificial heart pump capable of being adjusted in feedback mode |
| CN114949585A (en) * | 2022-05-20 | 2022-08-30 | 新疆天地集团有限公司 | Artificial machinery whole heart system |
| CN115337533A (en) * | 2022-08-17 | 2022-11-15 | 新疆天地集团有限公司 | Artificial whole heart operation equipment |
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| CN101518661A (en) * | 2009-04-03 | 2009-09-02 | 北京工业大学 | Ventricle auxiliary system based on physiological signal |
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| JPH0257268A (en) * | 1988-07-22 | 1990-02-27 | Aisin Seiki Co Ltd | Auxiliary ratio setting apparatus |
| US20040230089A1 (en) * | 2003-05-15 | 2004-11-18 | Emilio Sacristan | Air-pressure powered driver for pneumatic ventricular assist devices |
| CN101518661A (en) * | 2009-04-03 | 2009-09-02 | 北京工业大学 | Ventricle auxiliary system based on physiological signal |
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| CN112156254A (en) * | 2020-10-14 | 2021-01-01 | 北京航空航天大学 | Extracorporeal circulation artificial heart pump capable of being adjusted in feedback mode |
| CN112156254B (en) * | 2020-10-14 | 2022-02-22 | 北京航空航天大学 | Extracorporeal circulation artificial heart pump capable of being adjusted in feedback mode |
| CN114949585A (en) * | 2022-05-20 | 2022-08-30 | 新疆天地集团有限公司 | Artificial machinery whole heart system |
| CN115337533A (en) * | 2022-08-17 | 2022-11-15 | 新疆天地集团有限公司 | Artificial whole heart operation equipment |
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| Publication number | Publication date |
|---|---|
| CN109125829B (en) | 2023-12-05 |
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