CN115553869A - Annular discharge electrode pair array and balloon catheter - Google Patents
Annular discharge electrode pair array and balloon catheter Download PDFInfo
- Publication number
- CN115553869A CN115553869A CN202211428301.5A CN202211428301A CN115553869A CN 115553869 A CN115553869 A CN 115553869A CN 202211428301 A CN202211428301 A CN 202211428301A CN 115553869 A CN115553869 A CN 115553869A
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- electrode
- inner tube
- electrodes
- discharge electrode
- electrode pair
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- 208000004434 Calcinosis Diseases 0.000 abstract description 12
- 230000002308 calcification Effects 0.000 abstract description 12
- 230000007012 clinical effect Effects 0.000 abstract description 3
- 208000005475 Vascular calcification Diseases 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 201000001320 Atherosclerosis Diseases 0.000 description 2
- 208000037260 Atherosclerotic Plaque Diseases 0.000 description 2
- 206010057469 Vascular stenosis Diseases 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 210000004351 coronary vessel Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000010125 myocardial infarction Diseases 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 206010003210 Arteriosclerosis Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008321 arterial blood flow Effects 0.000 description 1
- 208000011775 arteriosclerosis disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 208000031225 myocardial ischemia Diseases 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- 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
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1025—Connections between catheter tubes and inflation tubes
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- 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
- A61B2017/22001—Angioplasty, e.g. PCTA
-
- 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
- A61B2017/22051—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 with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
-
- 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
- A61M2205/32—General characteristics of the apparatus with radio-opaque indicia
Abstract
The invention discloses a method for preparing a balloon catheter, which comprises an annular discharge electrode pair array and a balloon catheter, wherein the annular discharge electrode pair array comprises the following components: an inner tube, a plurality of electrodes, and an insulating sleeve; the surface of the inner pipe comprises a multi-groove structure which is annularly and uniformly distributed; one electrode is arranged in each groove; the insulating sleeve is placed on the electrodes and is provided with a pressure wave output port, and each electrode forms an electrode pair with the other electrode axially adjacent to the electrode; the plurality of electrodes generate a mechanical acoustic pressure wave upon discharge. The application provides an annular discharge electrode pair array can be through setting up a plurality of internal electrodes in the inner tube with form a plurality of electrode pairs, produces mechanical sound pressure ripples in the sacculus to make shock wave sacculus pipe when vascular calcification treatment, can produce 360 annular sound pressure ripples simultaneously, cover the calcification treatment of optional position in the sacculus, thereby improve clinical effect's stability.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an annular discharge electrode pair array and a balloon catheter.
Background
Atherosclerosis is arteriosclerosis. It is due to the accumulation of fatty-like substances (called atheromas or plaques) within the arteries. Arteries are blood vessels that carry blood to organs. Such deposits can slowly block arterial blood flow. Atherosclerosis is the most common cause of heart attack and stroke.
Coronary calcification is caused by calcium salt deposits on coronary atherosclerotic plaques. If the calcification of coronary artery is more serious, annular calcification can be formed to limit the expansion of coronary artery, and myocardial ischemia and even myocardial infarction can be caused seriously.
The vascular stenosis calcification can increase certain degree of difficulty when needs carry out the blood circulation and rebuild, and the calcification can let the blood vessel become fragile and can make the vascular wall break under the effect of external force, and the vascular stenosis department appears the calcification and can make the sacculus not well through more even the vascular wall that probably breaks the calcification coverage area, can influence the operation progress, influences the effect of doctor to patient's focus treatment.
Disclosure of Invention
The invention aims to provide an annular discharge electrode pair array and a balloon catheter, wherein the annular discharge electrode pair array can form a plurality of electrode pairs through a plurality of electrodes arranged on an inner tube, and mechanical sound pressure waves are generated in the balloon, so that when the balloon catheter treats calcification, annular calcification around the balloon can be simultaneously covered, and the stability of clinical effect is improved.
In a first aspect, an embodiment of the present application provides an annular discharge electrode pair array, including: an inner tube, a plurality of electrodes, and an insulating sleeve; the surface of the inner pipe is provided with a multi-groove structure which is annularly and uniformly distributed; one electrode is arranged in each groove; the insulating sleeve is placed on the electrodes and is provided with a pressure wave output port, and each electrode forms an electrode pair with the other electrode axially adjacent to the electrode; the plurality of electrodes generate mechanical acoustic pressure waves when energized.
Preferably, in the multi-groove structure of the inner pipe surface, the minimum distance between the outer edges of two adjacent grooves which are axially distributed is between 0.03mm and 0.50 mm.
Preferably, the plurality of electrodes is generally provided as at least one pair of electrodes, wherein:
a first lead extending from the inner tube is connected to a first electrode;
a second lead extending from the inner tube is connected to a second electrode;
the connecting lead extending in the inner tube connects other two electrodes which are adjacent in the radial direction;
preferably, the insulating sleeve is provided with a pressure wave output port which is coaxial with the geometric centre of the electrode and has a diameter slightly smaller than the width of the electrode.
In a second aspect, there is also provided in an embodiment of the present application a balloon catheter, comprising: a balloon, a connector, a development ring, and the annular array of discharge electrode pairs of the first aspect, wherein an inner tube of the annular array of discharge electrode pairs extends through the balloon; the developing ring is mounted on the inner pipe; and a first lead and a second lead in the annular discharge electrode pair array are respectively connected with two terminals of the connector.
The invention has the beneficial effects that:
according to the annular discharge electrode pair array and the balloon catheter provided by the embodiment of the invention, the annular discharge electrode pair array can form a plurality of electrode pairs through the multiple electrodes arranged on the inner tube, and mechanical sound pressure waves are generated in the balloon, so that the balloon catheter can cover annular calcifications around the balloon when calcifications are treated, and the stability of clinical effects is improved.
Drawings
Fig. 1 and fig. 2 are schematic structural diagrams of an annular discharge electrode pair array according to the present invention;
fig. 3 is a schematic structural diagram of an insulation sleeve according to the present invention;
fig. 4 and 5 are schematic structural diagrams of a lead wire and an electrode according to the present invention;
FIG. 6 is a schematic structural diagram of a conductive region on an electrode according to the present invention;
FIG. 7 is a top cross-sectional view of a conductive region on an electrode according to the present invention;
FIG. 8 is a schematic view of a balloon catheter according to the present invention;
FIG. 9 is a drawing of the abstract provided by the present invention;
in the figure: 1-an inner tube; 2-a plurality of electrodes; 4-a first wire; 5-a second wire; 6-a first electrode; 7-a second electrode; 8 a-8 f-electrodes; 9 a-9 c-connecting wires; 3-an insulating sleeve; 10-a pressure wave output port; 11a-11 d-conductive regions; 12-a balloon; 13 a-a developer ring; 13 b-a developer ring; 14-connector.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the understanding of the present embodiment, a detailed description will be given to the circular discharge electrode pair array disclosed in the embodiments of the present application.
Fig. 1 is a schematic diagram of an annular discharge electrode pair array according to an embodiment of the present application, where the annular discharge electrode pair array includes: an inner tube 1, a plurality of electrodes 2 and an insulating sleeve 3. The first lead 4 is connected to the first electrode 6, the second lead 5 is connected to the second electrode 7, and the connection leads 9a to 9c are connected to two electrodes 8a to 8f adjacent in the radial direction. A plurality of electrodes 3 are arranged on the outer wall of the inner tube 1, the surface of the inner tube is provided with a multi-groove structure which is annularly and uniformly distributed, and one electrode is arranged in each groove. The insulating sleeve 3 is placed on the electrodes, the insulating sleeve is provided with a pressure wave output port 10, and each electrode and the other electrode axially adjacent to the electrode form an electrode pair; the plurality of electrodes generate mechanical acoustic pressure waves when energized.
The electrode may be an electrode of an annular structure, such as a circular ring, a square ring, a triangular ring or an elliptical ring, or an electrode of a solid structure, or an electrode of other structures, which is not specifically limited herein; the electrode is made of metal materials, and can be made of stainless steel, platinum, nickel titanium, copper or other conductive materials;
the inner pipe is made of non-metal material; in the surface multi-groove structure, the minimum distance between the outer edges of two adjacent grooves which are axially distributed is 0.03-0.50 mm.
An insulating sleeve is placed over the electrode. The insulating material comprises one of: polyimide, polytetrafluoroethylene, ultraviolet curing glue or AB glue, and the thickness of the insulating sleeve is between 0.01mm and 0.50 mm. The insulating sleeve is provided with a pressure wave output port, and the shape of the insulating sleeve can be round, square, triangular, oval or other irregular shapes. The pressure wave output port is coaxial with the geometric center of the electrode and has a diameter slightly less than the width of the electrode.
The first lead 4, the second lead 5 and the connecting leads 9 a-9 c adopt metal wires, and the metal wires are wrapped with insulating paint or insulating tubes; the lead and the electrode are connected by welding and/or crimping and/or bonding.
The number of the electrodes 2 is set to at least one pair, when the number of the electrodes 2 is four pairs, the first lead 4 is connected with the first electrode 6, the second lead 5 is connected with the second electrode 7, and the connecting leads 9a to 9c connect two electrodes 8a to 8f which are adjacent in the radial direction. When the conducting wire is electrified, pressure waves are generated by conductive areas 11a-11d on two axially adjacent electrodes;
based on the above annular discharge electrode pair array embodiment, the embodiment of the present application further provides a balloon catheter, which includes: balloon 12, connector 14, developer rings 13a, 13b, and an annular array of discharge electrode pairs as described in the above embodiments. Wherein the inner tube of the annular discharge electrode pair array penetrates the balloon 12; the developing rings 13a, 13b are mounted to the inner pipe 1; the first lead wire 4 and the second lead wire 5 in the annular discharge electrode pair array are connected to two terminals of the connector 14, respectively. When the connector 14 is energized, the multiple electrodes disposed on the inner tube form multiple electrode pairs that generate mechanical acoustic pressure waves around the balloon.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still make modifications or changes to the embodiments described in the foregoing embodiments, or make equivalent substitutions for some features, within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present application and are intended to be covered by the appended claims. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. An array of circular discharge electrode pairs, comprising: the electrode structure comprises an inner tube, a plurality of electrodes and an insulating sleeve, wherein a plurality of annular and uniformly distributed groove structures are arranged on the surface of the inner tube; one electrode is arranged in each groove; the insulating sleeve is placed on the electrodes and is provided with a pressure wave output port, each electrode forms an electrode pair with the other electrode axially adjacent to the electrode, and the electrodes generate mechanical sound pressure waves when electrified.
2. The array of annular discharge electrode pairs of claim 1, wherein the plurality of grooves on the inner tube surface each have a minimum distance between the outer edges of two adjacent axially disposed grooves of 0.03mm to 0.50 mm.
3. The array of annular discharge electrode pairs of claim 2, wherein the plurality of electrodes are mounted to the plurality of slot structures, respectively, and the plurality of electrodes are mounted annularly around the inner tube.
4. The array of claim 1, wherein the plurality of electrodes are arranged in at least three pairs of electrodes, the inner tube includes a first wire extending from a wall of the inner tube and connected to a first electrode, the inner tube includes a second wire extending from a wall of the inner tube and connected to a second electrode, and the inner tube includes a connecting wire extending from an inner wall and connecting other two radially adjacent electrodes.
5. The circular discharge electrode pair array according to claim 1, wherein: the insulating sleeve is provided with a pressure wave output port, the pressure wave output port is coaxial with the geometric center of the electrode, and the diameter of the pressure wave output port is slightly smaller than the width of the electrode.
6. A balloon catheter, comprising: a balloon, a connector, a development ring and the circular discharge electrode pair array according to any one of claims 1 to 5, wherein the inner tube penetrates through the balloon, the development ring is mounted on the inner tube, and the first lead and the second lead are respectively connected with two terminals of the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211428301.5A CN115553869A (en) | 2022-11-15 | 2022-11-15 | Annular discharge electrode pair array and balloon catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211428301.5A CN115553869A (en) | 2022-11-15 | 2022-11-15 | Annular discharge electrode pair array and balloon catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115553869A true CN115553869A (en) | 2023-01-03 |
Family
ID=84770863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211428301.5A Pending CN115553869A (en) | 2022-11-15 | 2022-11-15 | Annular discharge electrode pair array and balloon catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115553869A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582621A (en) * | 2012-08-06 | 2015-04-29 | 冲击波医疗公司 | Low profile electrodes for an angioplasty shock wave catheter |
| CN111790046A (en) * | 2020-07-31 | 2020-10-20 | 深圳市赛禾医疗技术有限公司 | Pressure wave sacculus pipe |
| CN112869827A (en) * | 2021-01-06 | 2021-06-01 | 苏州中荟医疗科技有限公司 | Electrode device for generating seismic waves and using method |
| US11020135B1 (en) * | 2017-04-25 | 2021-06-01 | Shockwave Medical, Inc. | Shock wave device for treating vascular plaques |
| CN113440215A (en) * | 2021-07-23 | 2021-09-28 | 上海佳沐垚医疗科技有限公司 | Shock wave generating device and conduit system |
| CN113842190A (en) * | 2021-10-27 | 2021-12-28 | 上海微创旋律医疗科技有限公司 | Electrode balloon catheter |
| CN114642477A (en) * | 2022-02-25 | 2022-06-21 | 广东博迈医疗科技股份有限公司 | Blood vessel calcified plaque cutting device |
| CN114831697A (en) * | 2022-05-19 | 2022-08-02 | 杭州天路医疗器械有限公司 | Shock wave generating device for molding internal cavity |
-
2022
- 2022-11-15 CN CN202211428301.5A patent/CN115553869A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582621A (en) * | 2012-08-06 | 2015-04-29 | 冲击波医疗公司 | Low profile electrodes for an angioplasty shock wave catheter |
| US11020135B1 (en) * | 2017-04-25 | 2021-06-01 | Shockwave Medical, Inc. | Shock wave device for treating vascular plaques |
| CN111790046A (en) * | 2020-07-31 | 2020-10-20 | 深圳市赛禾医疗技术有限公司 | Pressure wave sacculus pipe |
| CN112869827A (en) * | 2021-01-06 | 2021-06-01 | 苏州中荟医疗科技有限公司 | Electrode device for generating seismic waves and using method |
| CN113440215A (en) * | 2021-07-23 | 2021-09-28 | 上海佳沐垚医疗科技有限公司 | Shock wave generating device and conduit system |
| CN113842190A (en) * | 2021-10-27 | 2021-12-28 | 上海微创旋律医疗科技有限公司 | Electrode balloon catheter |
| CN114642477A (en) * | 2022-02-25 | 2022-06-21 | 广东博迈医疗科技股份有限公司 | Blood vessel calcified plaque cutting device |
| CN114831697A (en) * | 2022-05-19 | 2022-08-02 | 杭州天路医疗器械有限公司 | Shock wave generating device for molding internal cavity |
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