CN110269727A - A kind of bionical test simulation dynamic device of Artificial Intervention mechanical heart valve - Google Patents
A kind of bionical test simulation dynamic device of Artificial Intervention mechanical heart valve Download PDFInfo
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- CN110269727A CN110269727A CN201910566768.8A CN201910566768A CN110269727A CN 110269727 A CN110269727 A CN 110269727A CN 201910566768 A CN201910566768 A CN 201910566768A CN 110269727 A CN110269727 A CN 110269727A
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- 238000004088 simulation Methods 0.000 title claims abstract description 147
- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 210000003709 heart valve Anatomy 0.000 title claims abstract description 49
- 210000002216 heart Anatomy 0.000 claims abstract description 52
- 210000000115 thoracic cavity Anatomy 0.000 claims abstract description 39
- 239000008280 blood Substances 0.000 claims abstract description 21
- 210000004369 blood Anatomy 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 84
- 239000000741 silica gel Substances 0.000 claims description 84
- 229910002027 silica gel Inorganic materials 0.000 claims description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000001914 filtration Methods 0.000 claims description 40
- 210000001367 artery Anatomy 0.000 claims description 28
- 239000000975 dye Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 16
- 230000017531 blood circulation Effects 0.000 claims description 14
- 210000003462 vein Anatomy 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000036772 blood pressure Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 230000004962 physiological condition Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000001351 cycling effect Effects 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000747 cardiac effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 208000018578 heart valve disease Diseases 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 210000004731 jugular vein Anatomy 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000004115 mitral valve Anatomy 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 208000004124 rheumatic heart disease Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000000591 tricuspid valve Anatomy 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2472—Devices for testing
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of bionical test simulation dynamic devices of Artificial Intervention mechanical heart valve, including pedestal and simulation thoracic cavity, it installs on the pedestal in the simulation thoracic cavity, wall surface offers rectangular channel on front side of the simulation thoracic cavity, heart analogue unit is installed in the rectangular channel, simulation loop unit is installed on the downside of the heart analogue unit, dynamic detection unit is installed on the simulation loop unit, the present invention intends torso model structure using bionical Silicon moulds, and heart analogue unit is set in simulation thoracic cavity, mechanical heart active valve is placed in heart analogue unit, simulation loop unit is provided in simulation thoracic cavity simultaneously, bionical blood is injected into heart analogue unit, realize sanguimotor simulation, dynamic detection unit is provided on simulation loop unit simultaneously, the items of mechanical heart valve are referred to Mark carries out dynamic detection, and structure is simple, easy to operate.
Description
Technical field
The present invention relates to man-made organ detection technique field, especially a kind of bionical test of Artificial Intervention mechanical heart valve
Simulate dynamic device.
Background technique
Artificial mechanical valve prosthesis are to replace heart valve (aorta petal, tricuspid valve, bicuspid valve) in implantable cardiac, can make blood
Liquid one-way flow, the artificial organs made of artificial material with native heart valve function, heart valve disease is China
The higher heart disease of disease incidence, although as the improvement of people's lives environment, rheumatic heart disease disease incidence is on a declining curve,
But the hair patient of Aged Heart valvular heart disease rises year by year, and there are about the patients of 200,000 valve diseases to need to replace valve in annual China
Film only has nearly ten thousand artificial valves to be applied to clinic every year at present.Relative to foreign countries to the applicable cases of heart valve prosthesis, I
In the development of heart valve prosthesis and production level, there are also sizable gaps for state, although heart valve prosthesis development in more than 50 years
And differentiation, mechanical valve prosthesis occupy leading position in the market with its brilliant durability.
However existing artificial mechanical heart valve mostly uses static test before factory, continues to use and traditional simply sets
Standby, device operation is not sufficiently stable, and performance reliability is not high, and complicated operation, while the stream near simulation heart valve
Each state modulator is not able to satisfy the requirement accurately tested when dynamic and physiological condition, in consideration of it, furtheing investigate regarding to the issue above, then
There is this case generation.
Summary of the invention
The purpose of the present invention is to solve the above problems, devise a kind of bionical test of Artificial Intervention mechanical heart valve
Dynamic device is simulated, existing artificial mechanical heart valve is solved before factory mostly using static test, continues to use traditional
Simple device, device operation are not sufficiently stable, and performance reliability is not high, and complicated operation, while attached in simulation heart valve
Each state modulator is not able to satisfy the problem of accurate test request when close flowing and physiological condition.
Above-mentioned purpose is realized the technical solution of the present invention is as follows: a kind of bionical test simulation of Artificial Intervention mechanical heart valve is dynamic
State equipment, including pedestal and simulation thoracic cavity, the simulation thoracic cavity are installed on the pedestal, simulation thoracic cavity front side wall surface
Rectangular channel is offered, heart analogue unit is installed in the rectangular channel, simulation is installed on the downside of the heart analogue unit and follows
Ring element is installed on dynamic detection unit on the simulation loop unit；
The heart analogue unit includes: heart model configuration and reciprocating power structure, the heart model configuration
It installs in the rectangular channel, the reciprocating power structure is installed in the rectangular channel, and is located at heart simulation knot
Structure side；
The heart model configuration includes: bionical silica gel cavity, valve interconnecting piece, active valve, connecting tube and unidirectional
Control valve, the bionical silica gel cavity is installed in the rectangular channel, and is connected with the reciprocating power structure, described imitative
Raw silica gel cavity one end offers first through hole, and the valve interconnecting piece is in the first through hole, the active valve
It installs and is connected in the valve interconnecting piece and with the simulation loop unit, the bionical silica gel cavity other end opens up
There is the second through-hole, on second through-hole, the one-way control valve is flush-mounted in the connecting tube for described connecting tube one end
On, and be connected with the simulation loop unit.
The valve interconnecting piece includes: cabinet, the identical connector of a pair of of structure, fixed ring and sealing ring, the case
Body is installed in the rectangular channel and positioned at the bionical silica gel cavity side, and a pair of connector is extended through in described
One in tank ends and a pair of connector is connected with the first through hole, and the fixed ring is installed in a pair of of institute
It states between connector, the active valve activity is placed in the fixed ring, and the sealing ring is flush-mounted in the fixed ring two
On end.
The reciprocating power structure includes: driving portion and reciprocating driving portion, and the driving portion is installed in the square
In shape slot and be located at the bionical silica gel cavity side, the reciprocating driving portion install on the driving portion and with it is described
Bionical silica gel cavity is connected.
The driving portion includes: first servo motor, controller and runner, and the first servo motor is installed in described
In rectangular channel, the controller is installed on the wall surface of the simulation thoracic cavity side, and the runner is flush-mounted in the first servo electricity
On the driving end of machine, fixed column is installed on the runner wheel face.
The reciprocating driving portion includes: support frame, guide groove, traveller and connecting rod, and support frame as described above is installed in institute
It states in rectangular channel, the guide groove is installed on support frame as described above, and the slide rod sleeve is loaded in the guide groove, the connecting rod
One end is flexibly connected with the slide bar upper end, and the connecting rod other end is flexibly connected with the fixed column on the runner.
The simulation loop unit includes: blood circulation structure and exchange treatment facilities, the blood circulation structure peace
It is connected in the simulation thoracic cavity, and with the bionical silica gel cavity, the exchange treatment facilities is installed in the blood
On loop structure.
The blood circulation structure includes: that dyestuff injector, check valve, artery simulation pipe, water tank and vein simulation are managed,
The dyestuff injector is installed in the rectangular channel, and the dyestuff injector is connected with the bionical silica gel cavity, institute
Check valve is stated on the dyestuff injector outlet end, the artery simulation pipe is installed in the simulation thoracic cavity, and with
The bionical silica gel cavity is connected, and the water tank is installed in the rectangular channel, and is connected with artery simulation pipe, institute
Vein simulation pipe is stated to install in the rectangular channel, and both ends respectively with it is unidirectionally controlled on the water tank and the connecting tube
Valve is connected, and the artery simulation pipe and vein simulation pipe are all made of bionical silica gel material soft transparent tubing.
The exchange treatment facilities includes: screen pipe, the first filtration core, the second filtration core and water pump, in the water tank
It is installed on partition, the screen pipe is installed on the water tank, and is connected with the water tank side, the first filtration core peace
It is connected on the water tank, and with the screen pipe, second filtration core is installed in first filtration core side, and
It is connected with first filtration core, the water pump is installed in second filtration core side, and both ends are respectively with described second
Filtration core and the water tank other side are connected.
The dynamic detection unit includes: flow testing division, first pressure detector and second pressure detector；It is described
Flow testing division is installed in the bionical silica gel cavity side, and is connected with the valve interconnecting piece, the first pressure inspection
It surveys device to install on the bionical silica gel cavity, the second pressure detector is installed on artery simulation pipe.
The flow testing division includes: the first electromagnetic flowmeter and the second electromagnetic flowmeter, first Electromagnetic Flow
Meter is installed on described bionical silica gel cavity one end, and second electromagnetic flowmeter is installed on artery simulation pipe.
The bionical test simulation dynamic device of Artificial Intervention mechanical heart valve made using technical solution of the present invention, should
The bionical test simulation dynamic device of Artificial Intervention mechanical heart valve intends torso model structure using bionical Silicon moulds, and in mould
Heart analogue unit is set in quasi- thoracic cavity, mechanical heart valve is placed in heart analogue unit, while in simulation thoracic cavity
It is provided with simulation loop unit, bionical blood is injected into heart analogue unit, realizes sanguimotor simulation, while in mould
It is provided with dynamic detection unit on quasi- cycling element, dynamic detection is carried out to the indices of mechanical heart valve, structure is simple,
It is easy to operate, the function of carrying out bionical test simulation dynamic detection to Artificial Intervention mechanical heart valve is realized, is solved existing
Somebody's work mechanical heart valve mostly uses static test before factory, continues to use traditional simple device, and device operation is inadequate
Stablize, performance reliability is not high, and complicated operation, while each when simulating flowing and the physiological condition near heart valve
State modulator is not able to satisfy the problem of accurate test request.
Detailed description of the invention
Fig. 1 is a kind of front view structure of the bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Schematic diagram.
Fig. 2 is in a kind of rectangular channel of the bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Portion's enlarged structure schematic diagram.
Fig. 3 is a kind of exchange purification of bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Structure enlarged structure schematic diagram.
Fig. 4 is a kind of position a office of bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Portion's enlarged structure schematic diagram.
Fig. 5 is a kind of position the b office of bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Portion's enlarged structure schematic diagram.
Fig. 6 is a kind of reciprocating biography of the bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Dynamic portion's upper hopper chute moving condition flowering structure schematic diagram.
Fig. 7 is a kind of reciprocating biography of the bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Structural schematic diagram when dynamic portion's upper hopper chute is moved to minimum point.
Fig. 8 is a kind of exchange purification of bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Structure overlooking structure diagram.
Fig. 9 is a kind of position A-A of the bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Structural schematic diagram.
Figure 10 is a kind of driving portion of the bionical test simulation dynamic device of Artificial Intervention mechanical heart valve of the present invention
Present invention looks up structural representation.
In figure: 1- pedestal；2- simulates thoracic cavity；The bionical silica gel cavity of 3-；4- active valve；5- connecting tube；6- is unidirectionally controlled
Valve；7- cabinet；8- connector；9- fixed ring；10- sealing ring；11- first servo motor；12- controller；13- runner；14- branch
Support；15- guide groove；16- traveller；17- connecting rod；18- dyestuff injector；19- check valve；20- artery simulation pipe；21- water
Case；22- vein simulation pipe；23- screen pipe；The first filtration core of 24-；The second filtration core of 25-；26- water pump；The inspection of 27- first pressure
Survey device；28- second pressure detector；The first electromagnetic flowmeter of 29-；The second electromagnetic flowmeter of 30-.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, as Figure 1-10 shows, a kind of Artificial Intervention mechanical heart valve
The bionical test simulation dynamic device of film, including pedestal 1 and simulation thoracic cavity 2, the simulation thoracic cavity 2 are installed on the pedestal 1,
The 2 front side wall surface of simulation thoracic cavity offers rectangular channel, and heart analogue unit, the heart simulation are installed in the rectangular channel
It is installed on simulation loop unit on the downside of unit, dynamic detection unit, the heart simulation are installed on the simulation loop unit
Unit includes: heart model configuration and reciprocating power structure, and the heart model configuration is installed in the rectangular channel, institute
It states reciprocating power structure to install in the rectangular channel, and is located at heart model configuration side, the heart simulation knot
Structure includes: bionical silica gel cavity 3, valve interconnecting piece, active valve 4, connecting tube 5 and one-way control valve 6, the bionical silica gel
Cavity 3 is installed in the rectangular channel, and is connected with the reciprocating power structure, and described bionical 3 one end of silica gel cavity is opened
Equipped with first through hole, in the first through hole, the active valve 4 is installed to be connected the valve interconnecting piece in the valve
It is connected in socket part and with the simulation loop unit, bionical 3 other end of silica gel cavity offers the second through-hole, described
5 one end of connecting tube on second through-hole, the one-way control valve 6 in the connecting tube 5, and with the mould
Quasi- cycling element is connected, and the valve interconnecting piece includes: cabinet 7, the identical connector 8 of a pair of of structure, fixed ring 9 and close
Seal 10, the cabinet 7 are installed in the rectangular channel and positioned at bionical 3 side of silica gel cavity, a pair of connector
8 one extended through in 7 both ends of cabinet and a pair of connector 8 are connected with the first through hole, described solid
Determine ring 9 to install between a pair of connector 8,4 activity of active valve is placed in the fixed ring 9, the sealing
For circle 10 on 9 both ends of fixed ring, the reciprocating power structure includes: driving portion and reciprocating driving portion, institute
State driving portion install in the rectangular channel and be located at bionical 3 side of silica gel cavity, the reciprocating driving portion install in
It is connected on the driving portion and with the bionical silica gel cavity 3, the driving portion includes: first servo motor 11, controller
12 and runner 13, the first servo motor 11 install in the rectangular channel, the controller 12 is installed in the simulation
On 2 side wall surface of thoracic cavity, the runner 13 is on the driving end of the first servo motor 11, on 13 wheel face of runner
It is installed on fixed column, the reciprocating driving portion includes: support frame 14, guide groove 15, traveller 16 and connecting rod 17, the branch
Support 14 is installed in the rectangular channel, and the guide groove 15 is installed on support frame as described above 14, and the traveller 16 is set in institute
State in guide groove 15, described 17 one end of connecting rod is flexibly connected with the slide bar upper end, 17 other end of connecting rod with it is described
Fixed column on runner 13 is flexibly connected, and the simulation loop unit includes: blood circulation structure and exchange treatment facilities, institute
It states blood circulation structure to install in the simulation thoracic cavity 2, and is connected with the bionical silica gel cavity 3, the exchange purification
Structure is installed in the blood circulation structure, and the blood circulation structure includes: dyestuff injector 18, check valve 19, artery
Simulate pipe 20, water tank 21 and vein simulate pipe 22, the dyestuff injector 18 is installed in the rectangular channel, and the dyestuff
Injector 18 is connected with the bionical silica gel cavity 3, and the check valve 19 is flush-mounted on 18 outlet end of dyestuff injector,
Artery simulation pipe 20 is installed in the simulation thoracic cavity 2, and is connected with the bionical silica gel cavity 3, the water tank 21
It installs in the rectangular channel, and is connected with artery simulation pipe 20, the vein simulation pipe 22 is installed in the rectangle
In slot, and both ends are connected with the one-way control valve 6 in the water tank 21 and the connecting tube 5 respectively, the artery simulation
Pipe 20 and vein simulation pipe 22 are all made of bionical silica gel material soft transparent tubing, and the exchange treatment facilities includes: filtering
Pipe 23, the first filtration core 24, the second filtration core 25 and water pump 26 are installed on partition, the screen pipe 23 in the water tank 21
It installs on the water tank 21, and is connected with 21 side of water tank, first filtration core 24 is installed in the water tank 21
On, and be connected with the screen pipe 23, second filtration core 25 is installed in 24 side of the first filtration core, and with it is described
First filtration core 24 is connected, and the water pump 26 is installed in 25 side of the second filtration core, and both ends are respectively with described second
Filtration core 25 and 21 other side of water tank are connected, and the dynamic detection unit includes: flow testing division, first pressure detector
27 and second pressure detector 28；The flow testing division is installed in bionical 3 side of silica gel cavity, and with the valve
Interconnecting piece is connected, and the first pressure detector 27 is installed on the bionical silica gel cavity 3, the second pressure detector
28 install on artery simulation pipe 20, and the flow testing division includes: the first electromagnetic flowmeter 29 and the second electromagnetic current
Meter 30, first electromagnetic flowmeter 29 are installed on described bionical 3 one end of silica gel cavity, second electromagnetic flowmeter 30
It installs on artery simulation pipe 20.
The characteristics of the present embodiment, is, including pedestal 1 and simulation thoracic cavity 2, simulation thoracic cavity 2 are installed on pedestal 1, simulated
2 front side wall surface of thoracic cavity offers rectangular channel, and heart analogue unit is installed in rectangular channel, is installed on mould on the downside of heart analogue unit
Quasi- cycling element, is installed on dynamic detection unit on simulation loop unit, heart analogue unit include: heart model configuration and
Reciprocating power structure, heart model configuration are installed in rectangular channel, and reciprocating power structure is installed in rectangular channel, and is located at
Heart model configuration side, heart model configuration include: bionical silica gel cavity 3, valve interconnecting piece, active valve 4, connecting tube 5
And one-way control valve 6, bionical silica gel cavity 3 is installed in rectangular channel, and is connected with reciprocating power structure, bionical silica gel
3 one end of cavity offers first through hole, and valve interconnecting piece in first through hole, install in valve interconnecting piece by active valve 4
Interior and be connected with simulation loop unit, bionical 3 other end of silica gel cavity offers the second through-hole, and 5 one end of connecting tube is flush-mounted in
On second through-hole, one-way control valve 6 is connected in connecting tube 5 with simulation loop unit；The artificial implanter tool heart
The dirty bionical test simulation dynamic device of valve intends torso model structure using bionical Silicon moulds, and the heart is arranged in simulation thoracic cavity
Mechanical heart valve is placed in heart analogue unit by dirty analogue unit, while being provided with simulation loop in simulation thoracic cavity
Bionical blood is injected into heart analogue unit by unit, realizes sanguimotor simulation, while setting on simulation loop unit
It is equipped with dynamic detection unit, dynamic detection is carried out to the indices of mechanical heart valve, structure is simple, and it is easy to operate, it realizes
The function that bionical test simulation dynamic detection is carried out to Artificial Intervention mechanical heart valve, solves the existing artificial mechanism heart
Dirty valve mostly uses static test before factory, continues to use traditional simple device, and device operation is not sufficiently stable, performance reliability
It is not high, and complicated operation, while each state modulator cannot expire when simulating flowing and the physiological condition near heart valve
The problem of foot accurate test request.
Under be classified as the model of partial electric part mentioned in this case；
First servo motor: the 42BYGH47-0401A series of servo motor produced with reference to Binco, servo motor refer to
The engine that mechanical organ operating is controlled in servo-system, is a kind of indirect speed change gear of subsidy motor, servo motor can make to control
Speed processed, position precision is very accurate, can convert voltage signal to torque and revolving speed with drive control object, servo motor
Rotor speed is controlled by input signal, and energy fast reaction, in automatic control system, is used as executive component, and have electromechanics
The characteristics such as time constant is small, the linearity is high, pickup voltage, the angular displacement that the electric signal received can be converted on motor reel
Or angular speed output.
Controller: using the S700 series of driver of Killmorgen servo-driver, driver is also known as " SERVO CONTROL
Device ", " servo amplifier " are a kind of controllers for controlling servo motor, and effect is similar to frequency converter and acts on commonly
Alternating current motor belongs to a part of servo-system, is mainly used in high-precision positioning system.Generally by position, speed
Servo motor is controlled with three kinds of modes of torque, high-precision transmission system positioning is realized, is currently the height of drive technology
Hold product.
Water pump: the G-FS series corrosion-resistant plastic water pump produced using grafer.
First pressure detector and second pressure detector: it is produced with reference to Xuzhou Meikang Electronics Equipment Co., Ltd
MKW381 ambulatory blood pressure monitors, survey meter of blood pressure, the instrument for measuring blood pressure are known as survey meter of blood pressure, are oppressed by bracket band qi of chong channel ascending adversely
Then measuring point blocking blood flow flows blood again by gas in discharge bracket band, blood pressure measurement is exactly according to blood
The variation of blood flow sound and vibration that is issued when flowing again and determine.
First electromagnetic flowmeter and the second electromagnetic flowmeter: it is produced with reference to Shanghai Chi Kong instrument and meter for automation Co., Ltd
CKLDG type electromagnetic flowmeter, electromagnetic flowmeter are inducted when passing through externally-applied magnetic field according to conductive fluid using electromagnetic induction principle
Electromotive force measure a kind of instrument of conductive fluid flow.
Under be classified as the shape of parts thereof in this case and the explanation of material；
Pedestal: using PVC material rectangular block shape structure, for directly carrying whole equipment.
It simulates thoracic cavity: using bionical silica gel material torso model shape structure, and front side wall surface is open state, is opened up thereon
There is rectangular channel, for simulating torso model and each analogue unit of setting.
Bionical silica gel cavity: bionical silica gel material drum type cavity structure is used, for simulating human heart, and both ends open up
There is through-hole, deformation can be generated under outer power drive, and the pressure for keeping it internal changes.
Active valve: the V bifolium artificial mechanism heart valve of CL- produced with reference to Lanzhou Lanfei Medical Instrument Co., Ltd.
Film.
Connecting tube: bionical silica gel material tubular structure is used, for connecting bionical silica gel cavity and one-way control valve.
Fixed ring: bionical silica gel material tubular structure is used, for placing active valve to be tested.
Support frame: PVC material rectangular frame structure is used, for disposing guide groove and traveller.
First filtration core: using PP cotton material filter core, for carrying out initial filter to the simulation blood containing dyestuff.
Second filtration core: active carbon material filter core is used, for carrying out the dyestuff in the simulation blood after initial filter into one
The absorption of step.
By those skilled in the art, the power supply that electricity pieces all in this case are adapted to it is attached by conducting wire, and
Suitable controller should be selected according to the actual situation, to meet demand for control, specific connection and control sequence should be referred to
In following working principles, successive job order is completed to be electrically connected between each electricity piece, detailed connection means, is that this field is public
Know technology, it is following mainly to introduce working principle and process, it is not explained to electrical control.
Embodiment: by Figure of description 1-3 it is found that this programme includes pedestal 1 and simulation thoracic cavity 2, simulation thoracic cavity 2 is installed
In on pedestal 1, simulation 2 front side wall surface of thoracic cavity offers rectangular channel, and heart analogue unit is installed in rectangular channel, and heart simulation is single
First downside is installed on simulation loop unit, and dynamic detection unit is installed on simulation loop unit, wherein pedestal 1 uses PVC material
Matter rectangular block shape structure, for directly carrying whole equipment, simulation thoracic cavity 2 uses bionical silica gel material torso model shape structure,
And front side wall surface is open state, for simulating torso model and each analogue unit being arranged, above-mentioned bionical silica gel material is
Liquid-state silicon gel product is that injection molding is molded by silica gel, and product is soft, and hardness is moderate, has soft characteristic, is emulating
Human organ, medical silica gel breast pad, etc. extensive utilizations, human muscular tissue can be simulated to the full extent in use；
By Figure of description 1-7 it is found that above-mentioned heart analogue unit includes: heart model configuration and reciprocating power knot
Structure, heart model configuration are installed in rectangular channel, and reciprocating power structure is installed in rectangular channel, and is located at heart model configuration
Side, cardiac model configuration include: bionical silica gel cavity 3, valve interconnecting piece, active valve 4, connecting tube 5 and unidirectional
Control valve 6, positional relationship and connection relationship are as follows, and bionical silica gel cavity 3 is installed in rectangular channel, and and reciprocating power
Structure is connected, and bionical 3 one end of silica gel cavity offers first through hole, and valve interconnecting piece is in first through hole, active valve
Film 4 is installed to be connected in valve interconnecting piece and with simulation loop unit, and it is logical that bionical 3 other end of silica gel cavity offers second
Hole, 5 one end of connecting tube on the second through-hole, one-way control valve 6 in connecting tube 5, and with simulation loop unit phase
Connection, wherein it is important to note that bionical silica gel cavity 3 uses bionical silica gel material drum type cavity structure, for simulating
Human heart, and both ends offer through-hole, and deformation can be generated under outer power drive, and the pressure for keeping it internal changes,
When in use, active valve 4 is mounted in valve interconnecting piece, while simulates blood and being injected into bionical silica gel cavity 3, and will imitates
Raw silica gel cavity 3 fills, and by reciprocating power structure, pushes to bionical silica gel cavity 3, in bionical silica gel cavity 3
Blood is simulated, under the action of one-way control valve 6 in connecting tube 5, can only be flowed to valve interconnecting piece side, to active valve
Film 4 is impacted, otherwise is pulled up to bionical silica gel cavity 3,4 pinch confinement of active valve, in pressure action Imitating blood
Liquid is injected into bionical silica gel cavity 3 through connecting tube 5, is simulated to heart transfer, in the specific implementation process, above-mentioned valve
Interconnecting piece includes: cabinet 7, the identical connector 8 of a pair of of structure, fixed ring 9 and sealing ring 10, positional relationship and connection
Relationship is as follows, and cabinet 7 is installed in rectangular channel and positioned at bionical 3 side of silica gel cavity, and a pair of of connector 8 is extended through in case
One in 7 both ends of body and a pair of of connector 8 is connected with first through hole, and fixed ring 9 is installed between a pair of of connector 8, main
4 activity of moving vane film is placed in fixed ring 9, and sealing ring 10 is on 9 both ends of fixed ring.
By Figure of description 1-10 it is found that above-mentioned reciprocating power structure includes: driving portion and reciprocating driving portion, drive
Dynamic portion is installed in rectangular channel and being located at bionical 3 side of silica gel cavity, reciprocating driving portion install on driving portion and with it is imitative
Raw silica gel cavity 3 is connected, and wherein driving portion includes: first servo motor 11, controller 12 and runner 13, the first servo electricity
Machine 11 is installed in rectangular channel, and controller 12 is installed on simulation 2 side wall surface of thoracic cavity, and runner 13 is flush-mounted in first servo motor
On 11 driving end, it is installed on fixed column on 13 wheel face of runner, in the specific implementation process, reciprocating driving portion includes: support
Frame 14, guide groove 15, traveller 16 and connecting rod 17, support frame 14 are installed in rectangular channel, and guide groove 15 is installed in support frame
On 14, traveller 16 is set in guide groove 15, and 17 one end of connecting rod is flexibly connected with slide bar upper end, 17 other end of connecting rod with turn
Fixed column on wheel 13 is flexibly connected, and when in use, is rotated by the driving end that controller 12 controls first servo motor 11, band
Runner 13 on the driving end of dynamic first servo motor 11 rotates, and the connecting rod 17 for driving 13 side of runner to be flexibly connected rotates,
Pull traveller 16, slided in the guide groove 15 on support frame 14, and drive 16 lower end of traveller connect bionical silica gel cavity 3 into
Row is shunk and expansion.
In the specific implementation process, above-mentioned simulation loop unit includes: blood circulation structure and exchange treatment facilities, blood
Liquid loop structure is installed in simulation thoracic cavity 2, and is connected with bionical silica gel cavity 3, and exchange treatment facilities is installed to follow in blood
On ring structure, wherein blood circulation structure include: dyestuff injector 18, check valve 19, artery simulation pipe 20, water tank 21 and
Vein simulates pipe 22, and dyestuff injector 18 is installed in rectangular channel, and dyestuff injector 18 is connected with bionical silica gel cavity 3,
Check valve 19 on 18 outlet end of dyestuff injector, install in simulation thoracic cavity 2 by artery simulation pipe 20, and with bionical silica gel
Cavity 3 is connected, and water tank 21 is installed in rectangular channel, and is connected with artery simulation pipe 20, and vein simulation pipe 22 is installed in square
In shape slot, and both ends are connected with the one-way control valve 6 on water tank 21 and connecting tube 5 respectively, and artery simulates pipe 20 and quiet
Arteries and veins simulation pipe 22 is all made of bionical silica gel material soft transparent tubing, wherein exchange treatment facilities includes: screen pipe 23, first
Filtration core 24, the second filtration core 25 and water pump 26, are installed on partition in water tank 21, and screen pipe 23 is installed on water tank 21, and
It is connected with 21 side of water tank, the first filtration core 24 is installed on water tank 21, and is connected with screen pipe 23, the second filtration core 25
It installs in 24 side of the first filtration core, and is connected with the first filtration core 24, water pump 26 is installed in 25 side of the second filtration core, and
Both ends are connected with the second filtration core 25 and 21 other side of water tank respectively, when in use, inject certain altitude in water tank 21
Simulation blood, bionical silica gel cavity 3 shrink when, simulation blood by connector 8 fixed ring 9 in active valve 4 enter
It into artery simulation pipe 20, and enters in water tank 21, starts water pump 26, by the simulation of artery simulation 20 side of pipe in water tank 21
Blood is pumped into screen pipe 23, and after the first filtration core 24 and the filtering of the second filtration core 25, is carried out to simulation blood
It fading, and is injected into and 21 internal jugular vein of water tank is simulated into 22 side of pipe, when bionical silica gel cavity 3 is expanded, active valve 4 is shunk,
Under atmospheric pressure effect, the simulation blood of 21 internal jugular vein of water tank simulation, 22 side of pipe is inhaled into bionical silica gel cavity 3, simultaneously
Dyestuff in dyestuff injector 18 is inhaled into bionical silica gel cavity 3 through check valve 19, is dyed to simulation blood, so that
Bionical test effect is more intuitive.
By Figure of description 1-10 it is found that above-mentioned dynamic detection unit includes: flow testing division, first pressure detector 27
And second pressure detector 28；Flow testing division is installed in bionical 3 side of silica gel cavity, and is connected with valve interconnecting piece,
First pressure detector 27 is installed on bionical silica gel cavity 3, and second pressure detector 28 is installed on artery simulation pipe 20,
In, flow testing division includes: the first electromagnetic flowmeter 29 and the second electromagnetic flowmeter 30, the first electromagnetic flowmeter 29 install in
On bionical 3 one end of silica gel cavity, the second electromagnetic flowmeter 30 is installed simulates on pipe 20 in artery, in the specific implementation process, the
One pressure detector 27 and second pressure detector 28 are used to detect the pressure value of 4 two sides of active valve, the first Electromagnetic Flow
Meter 29 and the second electromagnetic flowmeter 30 are used to measure the flow value of 4 two sides of active valve, for analyzing comparison.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of bionical test simulation dynamic device of Artificial Intervention mechanical heart valve, including pedestal (1) and simulation thoracic cavity
(2), which is characterized in that the simulation thoracic cavity (2) is installed on the pedestal (1), and wall surface opens up on front side of the simulation thoracic cavity (2)
There is rectangular channel, heart analogue unit is installed in the rectangular channel, is installed on simulation loop list on the downside of the heart analogue unit
Member is installed on dynamic detection unit on the simulation loop unit；
The heart analogue unit includes: heart model configuration and reciprocating power structure, and the heart model configuration is installed
In in the rectangular channel, the reciprocating power structure is installed in the rectangular channel, and is located at the heart model configuration one
Side；
The heart model configuration include: bionical silica gel cavity (3), valve interconnecting piece, active valve (4), connecting tube (5) and
One-way control valve (6), the bionical silica gel cavity (3) are installed in the rectangular channel, and with the reciprocating power structure phase
Connection, described bionical silica gel cavity (3) one end offer first through hole, and the valve interconnecting piece is flush-mounted in the first through hole
Interior, the active valve (4) is installed to be connected in the valve interconnecting piece and with the simulation loop unit, described bionical
Silica gel cavity (3) other end offers the second through-hole, and described connecting tube (5) one end is on second through-hole, the list
To control valve (6) on the connecting tube (5), and it is connected with the simulation loop unit.
2. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 1, feature
It is, the valve interconnecting piece includes: cabinet (7), the identical connector (8) of a pair of of structure, fixed ring (9) and sealing ring
(10), the cabinet (7) is installed in the rectangular channel and positioned at bionical silica gel cavity (3) side, a pair of connection
Extend through in the cabinet (7) both ends and a pair of connector (8) one of head (8) is connected with the first through hole
Logical, the fixed ring (9) is installed between a pair of connector (8), and active valve (4) activity is placed in the fixation
In ring (9), the sealing ring (10) is on the fixed ring (9) both ends.
3. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 1, feature
It is, the reciprocating power structure includes: driving portion and reciprocating driving portion, and the driving portion is installed in the rectangular channel
It is interior and be located at bionical silica gel cavity (3) side, the reciprocating driving portion install on the driving portion and with it is described
Bionical silica gel cavity (3) is connected.
4. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 3, feature
It is, the driving portion includes: first servo motor (11), controller (12) and runner (13), the first servo motor
(11) it installs in the rectangular channel, the controller (12) is installed on the wall surface of simulation thoracic cavity (2) side, the runner
(13) on the driving end of the first servo motor (11), fixed column is installed on runner (13) wheel face.
5. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 3, feature
It is, the reciprocating driving portion includes: support frame (14), guide groove (15), traveller (16) and connecting rod (17), the branch
Support (14) is installed in the rectangular channel, and the guide groove (15) is installed on support frame as described above (14), the traveller (16)
It is set in the guide groove (15), described connecting rod (17) one end is flexibly connected with the slide bar upper end, the connecting rod
(17) other end is flexibly connected with the fixed column on the runner (13).
6. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 1, feature
Be, the simulation loop unit include: blood circulation structure and exchange treatment facilities, the blood circulation structure install in
In the simulation thoracic cavity (2), and it is connected with the bionical silica gel cavity (3), the exchange treatment facilities is installed in the blood
On liquid loop structure.
7. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 6, feature
Be, the blood circulation structure include: dyestuff injector (18), check valve (19), artery simulation pipe (20), water tank (21) with
And vein simulation pipe (22), the dyestuff injector (18) are installed in the rectangular channel, and the dyestuff injector (18) with
The bionical silica gel cavity (3) is connected, and the check valve (19) is described on dyestuff injector (18) outlet end
Artery simulation pipe (20) is installed in the simulation thoracic cavity (2), and is connected with the bionical silica gel cavity (3), the water tank
(21) install in the rectangular channel, and simulate pipe (20) with the artery and be connected, the vein simulation pipe (22) install in
In the rectangular channel, and both ends are connected with the one-way control valve (6) on the water tank (21) and the connecting tube (5) respectively
Logical, the artery simulation pipe (20) and vein simulation pipe (22) are all made of bionical silica gel material soft transparent tubing.
8. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 7, feature
It is, the exchange treatment facilities includes: screen pipe (23), the first filtration core (24), the second filtration core (25) and water pump
(26), be installed on partition in the water tank (21), the screen pipe (23) is installed on the water tank (21), and with the water tank
(21) side is connected, and first filtration core (24) is installed on the water tank (21), and is connected with the screen pipe (23)
Logical, second filtration core (25) installs in the first filtration core (24) side, and is connected with first filtration core (24)
Logical, the water pump (26) is installed in the second filtration core (25) side, and both ends respectively with second filtration core (25) with
And water tank (21) other side is connected.
9. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 8, feature
It is, the dynamic detection unit includes: flow testing division, first pressure detector (27) and second pressure detector
(28)；The flow testing division is installed in bionical silica gel cavity (3) side, and is connected with the valve interconnecting piece, institute
First pressure detector (27) is stated to install on the bionical silica gel cavity (3), the second pressure detector (28) install in
On the artery simulation pipe (20).
10. the bionical test simulation dynamic device of a kind of Artificial Intervention mechanical heart valve according to claim 9, feature
It is, the flow testing division includes: the first electromagnetic flowmeter (29) and the second electromagnetic flowmeter (30), first electromagnetism
Flowmeter (29) is installed on described bionical silica gel cavity (3) one end, and second electromagnetic flowmeter (30) is installed in described dynamic
On arteries and veins simulation pipe (20).
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| CN114081676A (en) * | 2021-11-18 | 2022-02-25 | 山东大学 | Heart valve simulation device, manufacturing mold and process |
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| CN115779256A (en) * | 2022-11-18 | 2023-03-14 | 新疆天地集团有限公司 | artificial bionic heart |
| CN116758806A (en) * | 2023-08-18 | 2023-09-15 | 首都医科大学附属北京天坛医院 | An intravascular stent in vitro simulation device |
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