CN110368061A - A kind of shock wave heart valve interventional therapy transportation system - Google Patents
A kind of shock wave heart valve interventional therapy transportation system Download PDFInfo
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- CN110368061A CN110368061A CN201910723439.XA CN201910723439A CN110368061A CN 110368061 A CN110368061 A CN 110368061A CN 201910723439 A CN201910723439 A CN 201910723439A CN 110368061 A CN110368061 A CN 110368061A
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- 230000035939 shock Effects 0.000 title claims abstract description 22
- 210000003709 heart valve Anatomy 0.000 title claims abstract description 15
- 238000002560 therapeutic procedure Methods 0.000 title claims abstract description 11
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- 239000000463 material Substances 0.000 claims description 11
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- 229910052751 metal Inorganic materials 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
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- 239000004698 Polyethylene Substances 0.000 claims description 4
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- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 3
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- 239000007788 liquid Substances 0.000 claims description 3
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
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- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
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- 238000001356 surgical procedure Methods 0.000 abstract description 8
- 230000002308 calcification Effects 0.000 abstract description 7
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- 206010058968 Heart valve calcification Diseases 0.000 abstract description 5
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- 230000002980 postoperative effect Effects 0.000 abstract description 2
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B17/22022—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement using electric discharge
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B2017/22025—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement applying a shock wave
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2068—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis using pointers, e.g. pointers having reference marks for determining coordinates of body points
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The application discloses a kind of shock wave heart valve interventional therapy transportation system, and transportation system includes: outer braid pipe, is hollow structure；Inner tube is hollow structure, is located inside outer braid pipe, forms preformed channel between outer braid pipe；Conducting electrode cable, extends in preformed channel, for conducting voltage/current pulse.Pass through the transportation system of the application, it can make the impact wave apparatus for treating heart valve calcification that will measure to transmit and be transformed on shock wave emission device, to which valvular stenosis and the stiff leaflet backflowed or annulus be softened, the state of leaflet folding when improving work, achieve the effect that treatment, can avoid risk in implantable prosthetic valve art and postoperative.It can also be combined with existing operative treatment, it is serious to solve the valvular calcification encountered in surgical procedure, the problem of heart valve can not accurately be placed, effectively avoids in surgical procedure artificial valve positioning and the fixed difficult, risks such as artificial valve release is improper and is difficult to take out, and can reduce all leakages.
Description
Technical field
The application belongs to field of medical technology, and in particular to a kind of shock wave heart valve interventional therapy transportation system.
Background technique
Heart valve calcification is valve stenosis and the main pathological manifestations such as backflow, and typically occurs in elderly population；
Angiosteosis is that atherosclerosis, hypertension, diabetic angiopathy, injury of blood vessel, chronic kidney disease and aging etc. are generally deposited
Common pathological manifestations.
Currently, for heart valve calcification and angiosteosis treatment method include: drug therapy, surgical replacement or
Intervene the methods of operating substitution.
Present inventor has found that existing medication effect is extremely limited, and shows in long-term R&D process
With the presence of surgical operation or intervene the mode of operating substitution to patient wound itself greatly and the disadvantages of time-consuming.
Summary of the invention
The application provides a kind of shock wave heart valve interventional therapy transportation system, by energy transmission and can be transformed into punching
It hits on wave launcher, calcification is softened by shock wave, can quickly and effectively complete the treatment to calcification.
In order to solve the above technical problems, the technical solution that the application uses is: a kind of shock wave heart valve intervention
Treat transportation system, comprising: outer braid pipe is hollow structure；Inner tube is hollow structure, is located in the outer braid pipe
Preformed channel is formed between portion, with the outer braid pipe；Conducting electrode cable extends in the preformed channel, for conducting
Voltage/current pulse.
According to one embodiment of the application, the outer braid pipe successively includes outer tube, wire sheathing from outside to inside
And inner tube, wherein the outer tube uses block polyether acidamide resin material, and the wire sheathing is by wire or metal
Line weaves, and the inner tube uses polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, thermoplastic elastomer rubbers, polyamides
Imines or polyamide material.
According to one embodiment of the application, the count of the wire sheathing is 30-75ppi.
According to one embodiment of the application, the wire sheathing end is fixed with developing ring, and the developing ring is at least set
The wire sheathing is placed in close to shock wave emission device one end.
According to one embodiment of the application, the conducting electrode cable is provided with several, and in the outer braid pipe
Circumferentially array is arranged between said inner tube.
According to one embodiment of the application, the conducting electrode cable includes that spaced positive conductor and cathode are led
Body wraps up the inner insulating layer of the positive conductor and the cathode conductor, and the external insulation layer of the package inner insulating layer.
According to one embodiment of the application, the anode conductor is wicker copper line, and the cathode conductor includes insulating outer layer
And conductor cores, the conductor cores include copper wire or copper covered steel wire.
According to one embodiment of the application, the inner insulating layer is insulating materials, and the transportation system can transport 3-7KV's
Voltage.
According to one embodiment of the application, the internal diameter of said inner tube is greater than or equal to 0.035 inch.
According to one embodiment of the application, said inner tube uses polyether-ether-ketone, polyethylene or polyamide material；Alternatively, institute
Stating inner tube is the tube body with braiding structure.
According to one embodiment of the application, the preformed channel is for conveying electrolytic liquid.
The beneficial effect of the application is: by the transportation system of the application, can make the impact for treating heart valve calcification
Wave apparatus is by energy transmission and is transformed on shock wave emission device, so that valvular stenosis and the stiff leaflet backflowed or annulus is soft
Change, the state of leaflet folding, achievees the effect that treatment when improving work, can avoid wind in implantable prosthetic valve art and postoperative
Danger.It can also be combined with existing operative treatment, the valvular calcification encountered in solution surgical procedure is serious, can not accurately place heart
The problem of valve, i.e., effectively avoid in surgical procedure artificial valve positioning and it is fixed it is difficult, artificial valve release is improper and difficult
With risks such as taking-ups, and all leakages can be reduced, and shorten operating time, substantially improve surgical procedure and prognosis.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is that the shock wave heart valve interventional therapy delivery system of the application unifies the schematic perspective view of embodiment；
Fig. 2 is that the shock wave heart valve interventional therapy delivery system of the application unifies the schematic diagram of the section structure of embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall in the protection scope of this application.
Fig. 1 to Fig. 2 is please referred to, Fig. 1 is that the shock wave heart valve interventional therapy delivery system of the application unifies embodiment
Schematic perspective view；Fig. 2 is that the shock wave heart valve interventional therapy delivery system of the application unifies the cross-section structure of embodiment
Schematic diagram.
One embodiment of the application provides a kind of shock wave heart valve interventional therapy transportation system 100, as shown in Figure 1,
Including outer braid pipe 10, inner tube 20 and conducting electrode cable 30.Outer braid pipe 10 is hollow structure, and inner tube 20 is located at outer layer
Inside woven tube 10, preformed channel 40 is formed between the outer braid pipe 10, conducting electrode cable 30 is in preformed channel 40
Extend, for conducting voltage/current pulse.Outer braid pipe 10 undertakes the effect of the foundation of intervention apparatus access；Conducting electrode
Cable 30 conducts in voltage/current pulse to shock wave emission device；In inner tube 20 has isolation conducting electrode cable 30 and is formed
The function for the access that portion's seal wire (external device) passes through.By the transportation system 100 of the application, can make to treat heart valve calcium
The impact wave apparatus of change, which will be measured, to be transmitted and is transformed on shock wave emission device, thus by valvular stenosis and the stiff leaflet backflowed
Or annulus softening, improve work when leaflet folding state, achieve the effect that treatment, can avoid implantable prosthetic valve art in and art
Risk afterwards.It can also be combined with existing operative treatment, the valvular calcification encountered in solution surgical procedure is serious, can not accurately put
The problem of setting heart valve effectively avoids artificial valve positioning and fixed difficult, artificial valve release in surgical procedure from not conforming to
It is suitable and the risks such as be difficult to take out, and all leakages can be reduced, and shorten operating time, substantially improve surgical procedure and prognosis.
In one embodiment, as shown in Figure 1, outer braid pipe 10 successively includes outer tube 11, metal knitted from outside to inside
Layer 12 and inner tube 13.Outer tube 11 uses PEBAX material (block polyether acidamide resin material), has certain flexibility and can
Deformability, the PEBAX material that outer tube 11 is selected can use different hardness according to actually required.Wire sheathing 12 is by metal
Silk or metal wire are cross-woven, and with certain support performance and passage capacity, wire sheathing 12 has variable
Count can be adjusted according to actually required, and specifically, the count of wire sheathing 12 is 30-75ppi, such as
30ppi, 40ppi, 45ppi, 50ppi, 60ppi or 75ppi etc..PTFE (polytetrafluoroethylene (PTFE)), FEP can be used in inner tube 13
The macromolecules such as (fluorinated ethylene propylene copolymer), TPE (thermoplastic elastomer rubbers), PI (polyimides) or PA (polyamide)
Material is made, with certain ductility and lubricity.Specifically, wire sheathing 12 is formed in 20 outer braid of inner tube.
Further, as shown in Figure 1,12 end of wire sheathing is fixed with developing ring 14, due to wire sheathing 12 by
Wire or metal wire weave, and there are mixed and disorderly silk thread head end, developing ring 14 plays fixed wire sheathing 12 for end
The effect of terminating wire prevents silk thread head end at random from causing to damage to other structures.Developing ring 14 is located at least in metal knitted
Layer 12 can be located at 12 both ends of wire sheathing close to shock wave emission device one end or developing ring 14, be not construed as limiting herein.Development
Ring 14 can develop under X-ray, play certain positioning action.
In one embodiment, as shown in Fig. 2, conducting electrode cable 30 may be provided with several, and in outer layer woven tube 10
Circumferentially array is arranged between inner tube 20.Since conducting electrode cable 30 needs conduct high voltage/electric current, so that array is arranged
Conducting electrode cable 30 between maintain a certain distance, avoid interfering with each other, electric energy be transmitted on remote electrode generator, protect
Card generator can be converted the energy into sound wave and be transferred to valvular calcification position with regular picture.In the present embodiment, conducting electrode
Cable 30 is provided with three, in other embodiments, conducting electrode cable 30 be also provided with one, two, four or
It is more a plurality of, so that the transportation system 100 of the application can install one or more groups of electrodes.
Further, as shown in Fig. 2, conducting electrode cable 30 includes spaced positive conductor 31 and cathode conductor
32, wrap up the inner insulating layer 33 of positive conductor 31 and cathode conductor 32, and the external insulation layer 34 of package inner insulating layer 33.Anode
Conductor 31 is wicker copper line, and cathode conductor 32 is the enameled wire for having insulating outer layer, and specifically, cathode conductor 32 includes insulating outer layer
And conductor cores, conductor cores be copper wire or copper covered steel wire, insulating outer layer be polyimides or other insulating materials, insulating outer layer
Color can be red, yellow or black etc..It is designed by multilayer insulation, the transportation system 100 of the application can bear higher
Voltage, specifically, the transportation system 100 of the application can bear the voltage of 3-7KV.
In one embodiment, as shown in Fig. 2, PEEK (polyether-ether-ketone), PE (polyethylene), PA (polyamides can be used in inner tube 20
Amine) etc. high molecular materials be made, with certain ductility and lubricity.In other embodiments, inner tube 20 can also be
Tube body with braiding structure, structure no longer illustrate herein similar to outer braid pipe 10.
In one embodiment, as shown in Fig. 2, the internal diameter of inner tube 20 is greater than or equal to 0.035 inch, so that it can be by most
Major diameter is the seal wire of 0.035inch size.
In one embodiment, as depicted in figs. 1 and 2, the preformed channel 40 and sacculus between outer braid pipe 10 and inner tube 20
(being wrapped in outside shock wave emission device) connection, for conveying electrolytic liquid, so that the electrolyte solution in sacculus can be by prefabricated
Channel 40 flows into.
To sum up, being in contrast to the prior art, the impact wave apparatus of heart valve calcification is treated by the application
Transportation system 100 pulse signal that surge generator generates is passed into shock wave emission device, then electrode discharge is by the heart
The softening of dirty valvular calcification position becomes slack adhesion position, so as to improve, treat valve stenosis and sufferer of backflowing.The dress
Setting can be treated by intervening mode, or the side combined with " method of surgical operation replaces native valve operation method "
Formula effectively improves the success rate of operation.
The working condition of the transportation system 100 of the application can export high frequency voltage/current impulse, and can bear not
Pulse strength, repetition rate with current/voltage guarantee unattenuated after multiple electric discharge.The transportation system 100 of the application can be with
By femoral artery approach, and there are good supportive and passability, and has stronger bow ability excessively.
Above is only an example of the present application, it is not intended to limit the scope of the patents of the application, it is all to utilize this Shen
Please equivalent structure or equivalent flow shift made by specification and accompanying drawing content, be applied directly or indirectly in other relevant skills
Art field similarly includes in the scope of patent protection of the application.
Claims (11)
1. a kind of shock wave heart valve interventional therapy transportation system characterized by comprising
Outer braid pipe is hollow structure；
Inner tube is located inside the outer braid pipe, forms preformed channel between the outer braid pipe；
Conducting electrode cable extends in the preformed channel, for conducting voltage/current pulse.
2. transportation system according to claim 1, which is characterized in that the outer braid pipe successively includes outer from outside to inside
Layer pipe, wire sheathing and inner tube, wherein the outer tube uses block polyether acidamide resin material, described metal knitted
Layer is woven by wire or metal wire, and the inner tube uses polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, thermoplasticity
Elastomer rubber, polyimides or polyamide material.
3. transportation system according to claim 2, which is characterized in that the count of the wire sheathing is 30-
75ppi。
4. transportation system according to claim 2, which is characterized in that the wire sheathing end is fixed with developing ring,
The developing ring is at least set to the wire sheathing close to shock wave emission device one end.
5. transportation system according to claim 1, which is characterized in that the conducting electrode cable is provided with several, and
Circumferentially array is arranged between the outer braid pipe and said inner tube.
6. transportation system according to claim 5, which is characterized in that the conducting electrode cable include it is spaced just
Pole conductor and cathode conductor wrap up the inner insulating layer of the positive conductor and the cathode conductor, and the package interior insulation
The external insulation layer of layer.
7. transportation system according to claim 6, which is characterized in that the anode conductor is wicker copper line, the cathode
Conductor includes insulating outer layer and conductor cores, and the conductor cores include copper wire or copper covered steel wire.
8. transportation system according to claim 6, which is characterized in that the inner insulating layer is insulating materials, the conveying
System can transport the voltage of 3-7KV.
9. transportation system according to claim 1, which is characterized in that the internal diameter of said inner tube is greater than or equal to 0.035 English
It is very little.
10. transportation system according to claim 1, which is characterized in that said inner tube is using polyether-ether-ketone, polyethylene or gathers
Amide material；Alternatively, said inner tube is the tube body with braiding structure.
11. transportation system according to claim 1, which is characterized in that the preformed channel is for conveying electrolytic liquid；
Said inner tube is hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723439.XA CN110368061A (en) | 2019-08-06 | 2019-08-06 | A kind of shock wave heart valve interventional therapy transportation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723439.XA CN110368061A (en) | 2019-08-06 | 2019-08-06 | A kind of shock wave heart valve interventional therapy transportation system |
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| CN110368061A true CN110368061A (en) | 2019-10-25 |
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| CN201910723439.XA Pending CN110368061A (en) | 2019-08-06 | 2019-08-06 | A kind of shock wave heart valve interventional therapy transportation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160505A1 (en) * | 2022-02-24 | 2023-08-31 | 上海蓝帆博元医疗科技有限公司 | Shock-wave balloon catheter device and medical apparatus |
| CN117503433A (en) * | 2024-01-03 | 2024-02-06 | 四川大学华西医院 | Artificial aortic valve and heart monitoring system |
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|---|---|---|---|---|
| CN109223100A (en) * | 2018-09-03 | 2019-01-18 | 沛嘉医疗科技(苏州)有限公司 | It is a kind of for treating the device and its application method of heart valve and angiosteosis |
| CN211094481U (en) * | 2019-08-06 | 2020-07-28 | 沛嘉医疗科技(苏州)有限公司 | Shock wave heart valve intervenes treatment conveying system |
-
2019
- 2019-08-06 CN CN201910723439.XA patent/CN110368061A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109223100A (en) * | 2018-09-03 | 2019-01-18 | 沛嘉医疗科技(苏州)有限公司 | It is a kind of for treating the device and its application method of heart valve and angiosteosis |
| CN211094481U (en) * | 2019-08-06 | 2020-07-28 | 沛嘉医疗科技(苏州)有限公司 | Shock wave heart valve intervenes treatment conveying system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160505A1 (en) * | 2022-02-24 | 2023-08-31 | 上海蓝帆博元医疗科技有限公司 | Shock-wave balloon catheter device and medical apparatus |
| CN117503433A (en) * | 2024-01-03 | 2024-02-06 | 四川大学华西医院 | Artificial aortic valve and heart monitoring system |
| CN117503433B (en) * | 2024-01-03 | 2024-03-19 | 四川大学华西医院 | Artificial aortic valve and heart monitoring system |
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