CN111658235A - Artificial aortic valve stent implanted through catheter and conveying system thereof - Google Patents
Artificial aortic valve stent implanted through catheter and conveying system thereof Download PDFInfo
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- CN111658235A CN111658235A CN202010648691.1A CN202010648691A CN111658235A CN 111658235 A CN111658235 A CN 111658235A CN 202010648691 A CN202010648691 A CN 202010648691A CN 111658235 A CN111658235 A CN 111658235A
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- pipe
- supporting
- mesh
- support
- stent
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- 210000001765 aortic valve Anatomy 0.000 title claims abstract description 28
- 210000003437 trachea Anatomy 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 206010002906 aortic stenosis Diseases 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract description 16
- 238000002513 implantation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 208000003017 Aortic Valve Stenosis Diseases 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Images
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
- A61F2/2412—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 with soft flexible valve members, e.g. tissue valves shaped like natural valves
-
- 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
- A61F2/2412—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 with soft flexible valve members, e.g. tissue valves shaped like natural valves
- A61F2/2418—Scaffolds therefor, e.g. support stents
-
- 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
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2466—Delivery devices therefor
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial 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)
Abstract
The invention discloses an artificial aortic valve stent implanted through a catheter and a conveying system thereof, which comprises a stent unit and a supporting air bag, wherein the stent unit comprises a main supporting net pipe, a connecting net pipe and an auxiliary supporting net pipe, the connecting net pipe is distributed at two ends of the main supporting net pipe, the auxiliary supporting net pipe is distributed at one end of the connecting net pipe, which is far away from the main supporting net pipe, a ring surface formed by the main supporting net pipe and the auxiliary supporting net pipe at two opposite sides of the ring surface formed by the connecting net pipes is concave, the supporting air bag penetrates through the stent unit, the front end of the supporting air bag is provided with an opening and is connected with a mounting shell head, the rear end of the supporting air bag is provided with an opening and is connected with an air pipe. In the application process, the artificial aortic valve stent can be quickly and safely transplanted to the aortic stenosis part through the conveying system, the implantation difficulty is reduced, and the quick, efficient and safe implantation and installation of the whole artificial aortic valve stent are favorably realized.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an artificial aortic valve stent implanted through a catheter and a conveying system thereof.
Background
Aortic stenosis is one of the most common adult valve diseases, the most effective method for treating aortic stenosis is to install an artificial stent at the aortic stenosis, and the conventional artificial stent has the defects of inconvenient implantation and installation and high risk in the installation process, so that the rapid, efficient and safe implantation and installation of the artificial stent are not facilitated. To this end, we propose a transcatheter implanted artificial aortic valve stent and a delivery system thereof.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a transcatheter implanted artificial aortic valve stent and a delivery system thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an artificial aortic valve stent implanted through a catheter and a conveying system thereof comprise a stent unit and a supporting air bag, wherein the stent unit comprises a main supporting mesh pipe, a connecting mesh pipe and an auxiliary supporting mesh pipe, the connecting mesh pipes are distributed at two ends of the main supporting mesh pipe, the tip of the end part of the main supporting mesh pipe is welded with the tip of the end part of one end of the connecting mesh pipe, the auxiliary supporting mesh pipe is distributed at one end of the connecting mesh pipe, which is far away from the main supporting mesh pipe, the tip of one end of the auxiliary supporting mesh pipe is welded with the tip of the connecting mesh pipe, which is close to the tip of the connecting mesh pipe, the annular surface formed by the main supporting mesh pipe and the auxiliary supporting mesh pipe at two opposite sides of the annular surface formed by the connecting mesh pipes is concave inwards, the supporting air bag penetrates through the stent unit formed by the main supporting mesh pipe, the connecting mesh pipe and the auxiliary supporting mesh pipe, the front end of the supporting air, the trachea is kept away from the one end that supports the gasbag and is installed detachable air seal mouth, the anterior surface mounting of installation shell head has the camera subassembly, the internal surface fixedly connected with installation section of thick bamboo of installation shell head, concentrate in the installation section of thick bamboo and be equipped with wireless transmission subassembly, wireless locating component, central processing unit subassembly and power supply module, power supply module and camera subassembly, wireless locating component and central processing unit subassembly electric connection, central processing unit subassembly respectively with camera subassembly, wireless transmission subassembly and wireless locating component electric connection.
Preferably, the tip of one end of the auxiliary support net pipe, which is far away from the connecting net pipe, is polished and the end surface of the auxiliary support net pipe is kept in a round and smooth state.
Preferably, the main support net pipe, the connecting net pipe and the auxiliary support net pipe on the bracket unit can be expanded under the support of the support airbag in an inflated state, and an inner concave area is formed on the outer surface of the support airbag under the limit of an annular surface formed by the connecting net pipes.
Preferably, in a state that the main support mesh pipe, the connecting mesh pipe and the auxiliary support mesh pipe are expanded by the support airbag, when the support airbag contracts, the main support mesh pipe, the connecting mesh pipe and the auxiliary support mesh pipe can keep a stable expansion state.
Preferably, the outer surface of the air pipe is provided with a guide rod, and a coating pipe is sleeved between the outer surfaces formed by the guide rod and the air pipe.
Preferably, the guide rod is embodied as a resilient metal rod.
The invention provides an artificial aortic valve stent implanted through a catheter and a conveying system thereof, which have the beneficial effects that: in the using process of the scheme, the supporting air bag is arranged in the support unit formed by the main supporting net pipe, the connecting net pipe and the auxiliary supporting net pipe in a penetrating mode, the support unit formed by the main supporting net pipe, the connecting net pipe and the auxiliary supporting net pipe is in a retraction state, when the support unit is implanted to the narrow part of the aortic valve through the catheter, partial air is filled into the supporting air bag through the air pipe, the supporting air bag can be in a slight expansion state at the moment, and the whole support unit can be tightly connected with the supporting air bag by combining with an inner concave area formed by the connecting net pipe; the support air bag and the support unit can be further implanted to the aortic stenosis position through the guide rod, in the process of being implanted to the aortic stenosis position, the guide rod can transmit conveying force to enable the support air bag and the support unit to move through the guide tube, the guide rod can avoid the disconnection phenomenon of the trachea caused by bending, when the support air bag and the support unit move to the aortic stenosis position, the support air bag can be inflated through the trachea at the moment, when the support air bag is in a complete expansion state, the complete opening of the main support net pipe, the connecting net pipe and the auxiliary support net pipe is realized, namely, the support unit consisting of the main support net pipe, the connecting net pipe and the auxiliary support net pipe can open the aortic stenosis position, so that the aortic stenosis position is recovered to a normal state, after the aortic stenosis position is opened by the support unit, the gas in the supporting air bag is discharged through the gas sealing nozzle, at the moment, the supporting air bag is contracted and separated from the support unit formed by the main supporting net pipe, the connecting net pipe and the auxiliary supporting net pipe, and the supporting air bag is further moved out from the support unit where the aortic valve is located and the catheter through the guide rod, so that the installation of the support unit is realized, and the installation of the whole artificial aortic valve support is further realized; in the process that the artificial aortic valve stent, namely a stent unit consisting of a main support network tube, a connecting network tube and an auxiliary support network tube, is implanted into an aortic valve stenosis part, the viewing and the positioning of the moving path of the stent unit can be realized through a camera assembly and a wireless positioning assembly, further, data can be transmitted to the outside in a signal form through a wireless transmission assembly under the processing of a central processing unit assembly, at the moment, the moving path and the relative position of the stent unit can be known under the condition of acquiring signals, and further, the stent unit is transplanted to the aortic valve stenosis part quickly and safely through a catheter, the implantation difficulty of the stent unit is reduced, namely, the quick, efficient and safe implantation and installation of the whole artificial aortic valve stent can be realized through a conveying system.
Drawings
FIG. 1 is a schematic structural view of a fully expanded prosthetic aortic valve stent and its delivery system according to the present invention;
FIG. 2 is a schematic structural view of the aortic valve prosthesis stent of the present invention in a fully expanded state;
FIG. 3 is a schematic view of the support balloon of the present invention in a fully expanded state.
In the figure: the device comprises a main supporting net pipe 1, a connecting net pipe 2, an auxiliary supporting net pipe 3, a supporting air bag 4, an inner concave area 5, an installation shell head 6, a camera assembly 7, a wireless transmission assembly 8, a wireless positioning assembly 9, a central processor assembly 10, an installation barrel 11, a power supply assembly 12, an air pipe 13, a guide rod 14, a coating pipe 15 and an air sealing nozzle 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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.
Referring to fig. 1-3, an artificial aortic valve stent implanted through a catheter and a delivery system thereof comprise a stent unit and a support airbag 4, wherein the stent unit comprises a main support mesh tube 1, a connecting mesh tube 2 and an auxiliary support mesh tube 3, the connecting mesh tube 2 is distributed at two ends of the main support mesh tube 1, the tip of the end part of the main support mesh tube 1 is welded with the tip of the end part of one end of the connecting mesh tube 2, the auxiliary support mesh tube 3 is distributed at one end of the connecting mesh tube 2 far away from the main support mesh tube 1, the tip of one end of the auxiliary support mesh tube 3 is welded with the tip of the connecting mesh tube 2 close to the end part, and the tip of one end of the auxiliary support mesh tube 3 far away from the connecting mesh tube 2 is polished and the.
The ring surface formed by the main support net pipe 1 and the auxiliary support net pipe 3 on the opposite two sides of the ring surface formed by the connecting net pipes 2 is concave, the support air bag 4 penetrates through the stent unit formed by the main support net pipe 1, the connecting net pipe 2 and the auxiliary support net pipe 3, the main support net pipe 1, the connecting net pipe 2 and the auxiliary support net pipe 3 on the stent unit can be expanded under the support of the support air bag 4 in an inflated state, and the outer surface of the support air bag 4 forms an inner concave area 5 under the limit of the ring surface formed by the connecting net pipe 2.
Under the state that the main support net pipe 1, the connecting net pipe 2 and the auxiliary support net pipe 3 are expanded by the support air bag 4, when the support air bag 4 is further contracted, the main support net pipe 1, the connecting net pipe 2 and the auxiliary support net pipe 3 can keep a stable expansion state.
The front end of supporting gasbag 4 is equipped with the opening and is connected with installation shell head 6, the rear end of supporting gasbag 4 is equipped with the opening and is connected with trachea 13, trachea 13 is kept away from the one end of supporting gasbag 4 and is installed detachable airtight mouth 16, trachea 13's surface is equipped with guide bar 14, guide bar 14 specifically is the elastic metal pole, the cover is equipped with cladding pipe 15 jointly between the surface that guide bar 14 and trachea 13 are constituteed, can aerify in to trachea 13 through airtight mouth 16, and can make the trachea 13 in gain the gas discharge through airtight mouth 16.
The front outer surface of the mounting shell head 6 is provided with a camera assembly 7, the inner surface of the mounting shell head 6 is fixedly connected with a mounting barrel 11, a wireless transmission assembly 8, a wireless positioning assembly 9, a central processing unit assembly 10 and a power supply assembly 12 are arranged in the mounting barrel 11 in a centralized mode, the power supply assembly 12 is electrically connected with the camera assembly 7, the wireless positioning assembly 9 and the central processing unit assembly 10, and the central processing unit assembly 10 is electrically connected with the camera assembly 7, the wireless transmission assembly 8 and the wireless positioning assembly 9 respectively.
In summary, the following steps: in the using process of the invention, the supporting air bag 4 is arranged in the stent unit formed by the main supporting net pipe 1, the connecting net pipe 2 and the auxiliary supporting net pipe 3 in a penetrating way, and at the moment, the stent unit formed by the main supporting net pipe 1, the connecting net pipe 2 and the auxiliary supporting net pipe 3 is in a retraction state, when the stent is implanted to the aortic valve stenosis part through the catheter, partial gas is filled into the supporting air bag 4 through the air sealing nozzle 16 of the air pipe 13, at the moment, the supporting air bag 4 can be in a slight expansion state, and the whole stent unit can be tightly connected with the supporting air bag 4 by combining with the inner concave area 5 formed by connecting the net pipe 2; further, the support airbag 4 and the stent unit can be implanted to the aortic stenosis through the catheter by the guide rod 14, in the process of implanting to the aortic stenosis, the guide rod 14 can transmit the conveying force to enable the support airbag 4 and the stent unit to move through the catheter, and the guide rod 14 can avoid the disconnection phenomenon of the trachea 13 caused by bending, when the support airbag 4 and the stent unit move to the aortic stenosis, the support airbag 4 can be inflated through the air sealing nozzle 16 of the trachea 13, when the support airbag 4 is in a fully expanded state, the complete expansion of the main support mesh pipe 1, the connecting mesh pipe 2 and the auxiliary support mesh pipe 3 is realized, at this time, the stent unit consisting of the main support mesh pipe 1, the connecting mesh pipe 2 and the auxiliary support mesh pipe 3 can expand the aortic stenosis, so that the aortic stenosis is restored to a normal state, after the aortic valve stenosis part is propped by the stent unit, the gas in the supporting air bag 4 is discharged through the gas sealing nozzle 16, at the moment, the supporting air bag 4 is contracted and separated from the stent unit consisting of the main supporting net pipe 1, the connecting net pipe 2 and the auxiliary supporting net pipe 3, and the supporting air bag 4 is further moved out from the stent unit and the catheter where the aortic valve is located through the guide rod 14, so that the installation of the stent unit is realized, and the installation of the whole artificial aortic valve stent is further realized; in the process that the artificial aortic valve stent, namely a stent unit consisting of the main support network tube 1, the connecting network tube 2 and the auxiliary support network tube 3, is implanted into an aortic valve stenosis part, the viewing and positioning of the moving path of the stent unit can be realized through the camera assembly 7 and the wireless positioning assembly 8, further, data can be transmitted to the outside in a signal form through the wireless transmission assembly 8 under the processing of the central processing unit 10, at the moment, the moving path and the relative position of the stent unit can be known under the condition of acquiring signals, so that the stent unit can be rapidly and safely implanted into the aortic valve stenosis part through a catheter, the implantation difficulty of the stent unit is reduced, namely, the rapid, efficient and safe implantation and installation of the whole artificial aortic valve stent can be realized through the conveying system.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The artificial aortic valve stent implanted through the catheter and the conveying system thereof comprise a stent unit and a supporting air bag (4), and are characterized in that the stent unit comprises a main supporting mesh pipe (1), a connecting mesh pipe (2) and an auxiliary supporting mesh pipe (3), the connecting mesh pipe (2) is distributed at two ends of the main supporting mesh pipe (1), the tip of the end part of the main supporting mesh pipe (1) is welded with the tip of the end part of one end of the connecting mesh pipe (2), the auxiliary supporting mesh pipe (3) is distributed at one end of the connecting mesh pipe (2) far away from the main supporting mesh pipe (1), the tip of one end of the auxiliary supporting mesh pipe (3) is welded with the tip of the adjacent connecting mesh pipe (2), the ring surface formed by the connecting mesh pipe (2) is in a concave shape relative to the ring surface formed by the main supporting mesh pipe (1) and the auxiliary supporting mesh pipe (3) at two sides, and the supporting air bag (4) penetrates through the main supporting mesh pipe (1), The support unit comprises a connecting net pipe (2) and an auxiliary supporting net pipe (3), an opening is formed in the front end of a supporting air bag (4) and connected with an installing shell head (6), an opening is formed in the rear end of the supporting air bag (4) and connected with an air pipe (13), a detachable air sealing nozzle (16) is installed at one end, away from the supporting air bag (4), of the air pipe (13), a camera assembly (7) is installed on the outer surface of the front portion of the installing shell head (6), an installing barrel (11) is fixedly connected to the inner surface of the installing shell head (6), a wireless transmission assembly (8), a wireless positioning assembly (9), a central processor assembly (10) and a power supply assembly (12) are arranged in the installing barrel (11) in a centralized mode, and the power supply assembly (12) is electrically connected with the camera assembly (7), the wireless positioning assembly (9) and the central processor, the central processing unit assembly (10) is electrically connected with the camera assembly (7), the wireless transmission assembly (8) and the wireless positioning assembly (9) respectively.
2. The transcatheter implanted artificial aortic valve stent and the delivery system thereof as claimed in claim 1, wherein the tip of one end of the secondary support mesh tube (3) far away from the connecting mesh tube (2) is polished and the end surface is kept in a smooth state.
3. The transcatheter implanted artificial aortic valve stent and the delivery system thereof as claimed in claim 1, wherein the main supporting mesh tube (1), the connecting mesh tube (2) and the auxiliary supporting mesh tube (3) on the stent unit can be expanded under the support of the supporting balloon (4) in the inflated state, and the outer surface of the supporting balloon (4) forms an inner concave area (5) under the limit of the annulus formed by the connecting mesh tube (2).
4. The transcatheter implanted artificial aortic valve stent and the delivery system thereof as claimed in any one of claims 1 to 3, wherein the main support mesh tube (1), the connection mesh tube (2) and the auxiliary support mesh tube (3) are capable of maintaining a stable expanded state when the support balloon (4) is contracted in a state that the main support mesh tube (1), the connection mesh tube (2) and the auxiliary support mesh tube (3) are expanded by the support balloon (4).
5. The artificial aortic valve stent implanted through a catheter and the delivery system thereof as claimed in claim 1, wherein the outer surface of the trachea (13) is provided with a guiding rod (14), and a cladding tube (15) is sleeved between the guiding rod (14) and the outer surface of the trachea (13).
6. The transcatheter implanted artificial aortic valve stent and delivery system thereof of claim 5, wherein the guide rod (14) is a resilient metal rod.
Priority Applications (1)
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CN202010648691.1A CN111658235A (en) | 2020-07-07 | 2020-07-07 | Artificial aortic valve stent implanted through catheter and conveying system thereof |
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CN202010648691.1A CN111658235A (en) | 2020-07-07 | 2020-07-07 | Artificial aortic valve stent implanted through catheter and conveying system thereof |
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CN102858274A (en) * | 2010-02-23 | 2013-01-02 | 美敦力公司 | Catheter-based heart valve therapy system with sizing balloon |
CN105662668A (en) * | 2016-01-14 | 2016-06-15 | 江苏大学 | Conical balloon |
CN108430394A (en) * | 2016-12-15 | 2018-08-21 | 美利奴生命科学有限公司 | Artificial valve |
CN108853694A (en) * | 2018-09-12 | 2018-11-23 | 杭州耕鑫生物科技有限公司 | A kind of biology sacculus dilating catheter |
CN109124840A (en) * | 2017-06-19 | 2019-01-04 | 上海微创医疗器械(集团)有限公司 | A kind of method and medical device of the binding force improving bracket and sacculus |
CN110270002A (en) * | 2019-06-24 | 2019-09-24 | 杭州巴泰医疗器械有限公司 | A kind of sacculus tie bracket with cutting function and the blood vessel expansion appliance using the bracket |
CN110732077A (en) * | 2019-10-25 | 2020-01-31 | 杭州巴泰医疗器械有限公司 | far-near end asymmetric type saccule restraint bracket and high stability saccule catheter with restraint bracket |
CN210673991U (en) * | 2019-05-17 | 2020-06-05 | 刘秋霞 | Intracardiac branch of academic or vocational study sacculus pipe |
-
2020
- 2020-07-07 CN CN202010648691.1A patent/CN111658235A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102858274A (en) * | 2010-02-23 | 2013-01-02 | 美敦力公司 | Catheter-based heart valve therapy system with sizing balloon |
CN105662668A (en) * | 2016-01-14 | 2016-06-15 | 江苏大学 | Conical balloon |
CN108430394A (en) * | 2016-12-15 | 2018-08-21 | 美利奴生命科学有限公司 | Artificial valve |
CN109124840A (en) * | 2017-06-19 | 2019-01-04 | 上海微创医疗器械(集团)有限公司 | A kind of method and medical device of the binding force improving bracket and sacculus |
CN108853694A (en) * | 2018-09-12 | 2018-11-23 | 杭州耕鑫生物科技有限公司 | A kind of biology sacculus dilating catheter |
CN210673991U (en) * | 2019-05-17 | 2020-06-05 | 刘秋霞 | Intracardiac branch of academic or vocational study sacculus pipe |
CN110270002A (en) * | 2019-06-24 | 2019-09-24 | 杭州巴泰医疗器械有限公司 | A kind of sacculus tie bracket with cutting function and the blood vessel expansion appliance using the bracket |
CN110732077A (en) * | 2019-10-25 | 2020-01-31 | 杭州巴泰医疗器械有限公司 | far-near end asymmetric type saccule restraint bracket and high stability saccule catheter with restraint bracket |
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Application publication date: 20200915 |