CN204121202U - A kind of intervention replacement valve and controlled delivery device thereof - Google Patents
A kind of intervention replacement valve and controlled delivery device thereof Download PDFInfo
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- CN204121202U CN204121202U CN201420569912.6U CN201420569912U CN204121202U CN 204121202 U CN204121202 U CN 204121202U CN 201420569912 U CN201420569912 U CN 201420569912U CN 204121202 U CN204121202 U CN 204121202U
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Abstract
The utility model discloses a kind of intervention replacement valve and controlled delivery device thereof.One in this utility model gets involved replacement valve and comprises: support, diaphragm seal and lobe leaf, described support is the grid type structure closed intersected, described grid type structure is divided into three sections, comprise ground floor grid, second layer grid, third layer grid successively, ground floor grid and third layer grid are horn mouth shape, second layer grid is column, ground floor grid outer end is with three uniform engaging lugs of assembling, diaphragm seal is sewed with inside the grid of described support, described lobe leaf is fixed on second layer grid, and the camber line of lobe leaf is sewn on second layer grid.Comprise for carrying the controlled delivery device of above-mentioned intervention replacement valve: a taper head end, interior pipe, push rod, outer tube, stable pipe, joystick.
Description
Technical field
This utility model relates to medical instruments field, relates in particular to intervention therapeutic apparatus field; More particularly, relate to cardiac valve technology, particularly one gets involved replacement valve and controlled delivery device thereof.
Background technology
At home, in patient's row operative correction process of the outflows tract of right ventricle (RVOT) such as tetralogy of Fallot (TOF) and stenosis of pulmonary artery generally row RVOT across lobe sticking patch art (RVOT, pulmonary artery longitudinally cut after with sticking patch to expand lumen diameter) to remove RVOT and stenosis of pulmonary artery, valve of pulmonary trunk widening of the ring, lobe leaf Poor fitness (even excising the valve of pulmonary trunk of pathological changes in some operation in patients) can be made, cause significantly backflow (PR).Band valve artificial blood vessel then can be inserted at RVOT in external many centers, although do not have PR within short-term, but after prolonged application, artificial blood vessel there will be calcification and causes RVOT to block, and its biovalve there will be functional deterioration causes valvular insufficiency or narrow, this syndrome is referred to as RVOT functional defect, is the main adaptation population of PPVI (percutaneous pulmonary lobe implantation) of external report at present.
PPVI device system conventional at present has two kinds:
One is that Melody (Mai Ledi) balloon expandable of Medtronic (Mai Ditai Renyi gram) company gets involved valve.Melody device for be sewed with cloverleaf bovine jugular vein valve on platinum-iridium balloon-expandable alloy bracket.The internal diameter excursion implanting valve during expansion is comparatively large, and be 10-22mm, this gives the credit to the favorable elasticity of venous valve made lobe leaf and larger lobe leaf faying face.Induction system is sacculus dilating catheter, and stock size is 18-22mm.
Another kind of SAPIEN (the spreading product) balloon expandable for Edwards (Ai Dewozi) company gets involved valve.The support of SAPIEN valve adopts rustless steel to be material, and uses durable bovine pericardium as lobe leaf material, seals cuff simultaneously and also becomes higher with the generation reducing perivalvular leakage.This valve has the models such as 23mm, 26mm at present.
Above two kinds of valves need to insert a support at RVOT in advance when using in most cases, and auxiliary valve is fixed, and increase the stability of valve, troublesome poeration, costly.Expand formula valve owing to being ball, support is comparatively hard, and fracture rate is higher, and as Melody gets involved cusps of pulmonary valve, the support fracture rate of following up a case by regular visits to for a year reaches more than 20%.These two kinds of valves are applicable to the patient of RVOT-valve of pulmonary trunk ring internal diameter at 16-22mm, most insert the patient of artificial blood vessel's passage for TOF.The TOF patient of more than 85% adopts the RVOT Enlargement across lobe sticking patch at home, and valve of pulmonary trunk ring internal diameter is far longer than 22mm, therefore above-mentioned two kinds of external valves are not suitable for China patient substantially.
Utility model content
In view of this, the purpose of this utility model there are provided a kind of intervention replacement valve and controlled delivery device thereof, can realize expanding through conduit mode interventional therapy outflow tract of right ventricle and pulmonary trunk.Get involved the two ends of replacement valve, outflow tract of right ventricle and main pulmonary artery can be fitted tightly respectively, at the whole systole of heart with relaxing period is fixing reliably, not slippage.Get involved replacement valve accurately to control by the joystick of controlled delivery device in put procedure, and realize the partially recycled function of valve, reduce the difficulty of doctor in operation process, improve success rate of operation.
For reaching above-mentioned purpose, this utility model provides a kind of and gets involved replacement valve, comprise: support, diaphragm seal and lobe leaf, wherein, described support is the grid type structure closed intersected, described grid type structure is divided into three sections, comprise ground floor grid successively, second layer grid, third layer grid, ground floor grid and third layer grid are horn mouth shape, second layer grid is column, ground floor grid outer end is with three uniform engaging lugs of assembling, diaphragm seal is sewed with inside the grid of described support, described lobe leaf is fixed on second layer grid, the camber line of lobe leaf is sewn on second layer grid.
Alternatively, the number of grid of described support is any one number in nine to ten five.
Alternatively, described support has nine grids.
Alternatively, described ground floor grid is connected by connecting rod with between second layer grid, also be connected by connecting rod between second layer grid with third layer grid, the quantity of the quantity of the connecting rod between described ground floor grid and second layer grid, the connecting rod between second layer grid and third layer grid is respectively any one number in three to ten five.
Alternatively, the connecting rod quantity of described ground floor grid and second layer grid is nine, and the connecting rod of second layer grid and third layer grid is uniform three.
Alternatively, the grid of described support is made up of cradling piece, and the cradling piece of every layer of grid cell is long, the wide difference of bar.
Alternatively, the material of described support is Nitinol.
Alternatively, described diaphragm seal is sewed up and is fixed on surrounding inside support, and the material of diaphragm seal is macromolecular material or biological tissue.
Alternatively, the material of described diaphragm seal is Cor Sus domestica bag.
Alternatively, described lobe leaf has three, and in semilune structure, lobe leaf both sides are sewed up between two and are fixed on connecting rod, and the camber line of lobe leaf is sewn on grid.
Alternatively, described lobe leaf is the biological tissue of calcification process.
Alternatively, described lobe leaf is the Cor Sus domestica bag of calcification process.
The material of diaphragm seal can be macromolecular material, as PET, e-PTFE etc., also can be biological tissue, as bovine pericardium, Cor Sus domestica bag etc.
Described lobe leaf material can be the biological tissue of calcification process, as Cor Sus domestica bag, bovine pericardium, Cor Sus domestica lobe etc.
This utility model also provides a kind of for carrying the controlled delivery device of described intervention replacement valve, and it comprises:
Taper head end, its distal diameter is less than proximal diameter;
Interior pipe, its far-end is connected to taper head end near-end and inside has the thread eye being through to taper head end;
Push rod, its far-end is connected with the connection pawl for connecting described intervention replacement valve;
Outer tube, it has the inner chamber can accommodating described intervention replacement valve and the far-end that can insert for taper head end near-end;
Can improve the stable pipe of the precision and stability getting involved replacement valve conveying, it is wrapped in outside outer tube;
Can accurately discharge getting involved replacement valve and discharge the joystick switched fast, it be located at stable pipe and proximal outer tube.
Alternatively, the diameter being greater than the rear end part for accommodating push rod of the inner chamber of described outer tube for the asylum diameter given an account of into the fore-end of replacement valve of the inner chamber of described outer tube.
Alternatively, the connection pawl of the far-end of described push rod has three connecting holes, is connected with the engaging lug of described intervention replacement valve.
Alternatively, described joystick is made up of front hand grip, middle handle and rear handle, and front hand grip and middle handle are connected by multi start thread.
Alternatively, described middle handle has and can carry out the switching key switched and the safety key preventing maloperation at rotation process and push operation.
The connection pawl of described push rod is connected with described intervention replacement valve engaging lug, can realize the accurate release of valve and partially recycled.
Described joystick is made up of front hand grip, middle handle and rear handle, and front hand grip and middle handle are connected by multi start thread, can realize loading to valve fast accurate and release by handle in rotating.
Optional, joystick has rotatable with front and back promotion, to cause the slide block seesawed of outer tube.
Optional, joystick there is the switching key that slide block can be made to carry out rotation process or front and back promotion operation.
Optional, joystick there is the safety key for locking described switching key.
As seen from the above technical solution, the utility model has the advantage of, three engaging lugs in described intervention replacement valve are connected with the connection pawl in described push rod, replacement valve will be got involved by the helicitic texture of joystick and load distal outer tube, after being delivered to diseased region, by the helicitic texture of joystick, intervention replacement valve is discharged completely, by the switching key on joystick and safety key, rotation process or push operation are carried out to valve release.The profile of the intervention replacement valve in this utility model and size and human lesion outflow tract of right ventricle and pulmonary trunk expand anatomical structure and match, get involved the two ends of replacement valve, outflow tract of right ventricle and main pulmonary artery can be fitted tightly, not slippage fixing reliably at the whole systole of heart and relaxing period; The suture way of lobe leaf and support is firm, effectively can avoid the risk that in lobe leaf longtime running, suture is torn; Provide a kind of controlled delivery device, get involved replacement valve and in dispose procedure, stablize pipe by outer tube and blood vessel isolation, reduce valve unlocking resistance, the helicitic texture of joystick can ensure valve Stable Release.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is intervention replacement valve front view of the present utility model;
Fig. 2 is intervention replacement valve top view of the present utility model;
Fig. 3 is controlled delivery device schematic diagram of the present utility model;
Fig. 4 is controlled delivery device " loaded " position schematic diagram of the present utility model;
Fig. 5 a-Fig. 5 c is intervention replacement valve operation process schematic diagram of the present utility model;
Fig. 6 is intervention replacement valve dispose procedure schematic diagram of the present utility model;
Fig. 7 is the complete release conditions schematic diagram of intervention replacement valve of the present utility model;
1, support 2, lobe leaf 3, diaphragm seal 4, engaging lug 5, connecting rod 6, third layer grid 7, second layer grid 8, ground floor grid 9, outer tube 10, taper head end 11, front hand grip 12, middle handle 13, rear handle 14, switching key 15, safety key 16, stablize pipe 17, interior pipe 18, push rod 19, emptying interface 20, guidewire interface 21, connect pawl 22, connecting hole 23, postcava 24, superior vena cava 25, right ventricle 26, Tricuspid valve 27, main pulmonary artery 28, valve of pulmonary trunk 29, pulmonary artery branch.
Detailed description of the invention
The purpose of this utility model there are provided a kind of intervention replacement valve and controlled delivery device thereof, can realize expanding through conduit mode interventional therapy outflow tract of right ventricle and pulmonary trunk, get involved the two ends of replacement valve, outflow tract of right ventricle and main pulmonary artery can be fitted tightly,, not slippage fixing reliably at the whole systole of heart and relaxing period, get involved replacement valve accurately to control by the joystick of controlled delivery device in put procedure, reduce the difficulty of doctor in operation process, improve success rate of operation.
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Refer to Fig. 1-2, which show intervention replacement valve part of the present utility model.Figure 1 shows that and get involved replacement valve front view.Get involved replacement valve primarily of support 1, lobe leaf 2, diaphragm seal 3 etc. three part composition.Version is two ends is horn mouth shape, middle in column.It can be divided into three-layer network lattice by version.Third layer grid 6 is connected by connecting rod 5, and the change that not only can fit tightly the geometry of main pulmonary artery but also third layer grid 6 can not affect the geometry of the second layer grid 7 sewing up lobe leaf 2.Second layer grid 7 for ensureing that the geometry of lobe leaf 2 suture site does not change, thus ensures the optimum performance getting involved replacement valve work.Ground floor grid 8 is connected by connecting rod 5, not only outflow tract of right ventricle can be fitted tightly, prevent perivalvular leakage and ensure that the whole systole of heart and relaxing period support are fixed reliably, not slippage, and the change of ground floor grid 8 geometry can not affect the geometry of the second layer grid 7 sewing up lobe leaf 2.3 engaging lugs 4 are had for getting involved the connection of replacement valve and conveyer device at the tail end of ground floor grid 8.
Figure 2 shows that the top view getting involved replacement valve, lobe leaf is closed condition.
Fig. 3 is controlled delivery device schematic diagram.Fig. 4 is controlled delivery system loading position view.Controlled delivery device primarily of outer tube 9, taper head end 10, front hand grip 11, middle handle 12, rear handle 13, switching key 14, safety key 15, stablize pipe 16, interior pipe 17, connect pawl 21 form.The soft taper head end 10 that interior pipe 17 front end connects, distal diameter is less than proximal diameter, avoids abrading blood vessel wall when intravasation, and interior pipe 17 far-end is connected to taper head end 10 near-end, near-end is connected to and connects pawl 21, and its inside is by running through the seal wire of whole conveyer device; Front hand grip 11 is connected by helicitic texture with middle handle 12, switching key 14 on middle handle 12 can realize the switching that conveyer device rotates release and pushes release, and the safety key 15 on middle handle 12 can prevent maloperation switching key 14 in conveyer device operating process; The far-end of push rod 18 is connected with the connection pawl 21 with 3 connecting holes 22 that be connected supporting with three engaging lugs 4 getting involved replacement valve, and near-end is connected with rear handle 13 and is connected with and whole conveyer device inner chamber is carried out emptying emptying interface 19 and the guidewire interface 20 by whole conveyer device seal wire; Front hand grip 11 is connected with outer tube 9, and outer tube 9 inner chamber is used for the diameter that the fore-end into replacement valve is given an account of in asylum, is greater than described outer tube 9 inner chamber for accommodating the diameter of the rear end part of push rod 17; Stablize pipe 16 to be wrapped in outside outer tube 9, and near-end is connected in front hand grip 11.
Far-end described herein refers to the one end away from operator in operation process; Near-end refers to the one end near operator in operation process.
Fig. 5 a mono-Fig. 5 c is intervention replacement valve operation process schematic diagram of the present utility model.Fig. 5 a is the operation process schematic diagram of femoral vein-Tricuspid valve-pulmonary artery-pulmonary artery branch; Fig. 5 b the is subclavian vein---operation pathway of Tricuspid valve---pulmonary artery---pulmonary artery branch; Fig. 5 c is out the operation pathway of the breast-apex of the heart-pulmonary artery-pulmonary artery branch.
Fig. 6 is intervention replacement valve dispose procedure schematic diagram of the present utility model.
Fig. 7 is the complete release conditions schematic diagram of intervention replacement valve of the present utility model.
Get involved replacement valve ground floor grid 8 and be fixed on right ventricular outflow, block the cusps of pulmonary valve 28 of pathological changes, intervention replacement valve second layer grid 7 is positioned at the position that main pulmonary artery 27 expands, and gets involved replacement valve third layer grid 6 and is fixed in main pulmonary artery 27.Ground floor grid 8 not only can be fixed and gets involved replacement valve and reduce its perivalvular leakage but also infringement or the cusps of pulmonary valve of calcification can be strutted, and its malformation of complying with outflow tract of right ventricle on the geometry of the second layer grid 7 of fixed lobes leaf 2 without impact; Second layer grid 7 is positioned at main pulmonary artery 27 and expands position and can ensure its geometry to greatest extent, ensures the optimum working performance getting involved replacement valve; Third layer grid 6, for complying with main pulmonary artery, can be fixed and gets involved replacement valve and reduce perivalvular leakage.
Embodiment 1
Be get involved replacement valve operation process schematic diagram see Fig. 5 a, Fig. 6 gets involved replacement valve dispose procedure schematic diagram.Conventional femoral venous puncture, at DSA (Digital subtraction angiography, digital subtraction angiography) guiding under, first-selected being penetrated to right ventricle 25 from femoral vein by seal wire enters pulmonary artery branch 29 again, the controlled delivery device getting involved replacement valve is housed and enters main pulmonary artery 27 along seal wire, location is slow afterwards drops back conveyer device outer tube 9, get involved replacement valve and open the valve of pulmonary trunk 28 that rear distraction is narrow or damage, and it is fixing, then the switching key 14 on middle handle 12 unlocks by handling safety button 15, pressing switching key 14 switches to push operation pattern to be received in outer tube 9 by taper head end 10 by conveyer device, then conveyer device is withdrawn from.By ultrasound detection get involved the running status of replacement valve, the hydrodynamic performance of blood flow and backflow, perivalvular leakage situation.
Embodiment 2
Get involved replacement valve operation process schematic diagram see Fig. 5 b.Conventional subclavian vein puncture, at DSA (Digital subtraction angiography, digital subtraction angiography) guiding under, first-selected being penetrated to right ventricle 25 from subclavian vein by seal wire enters main pulmonary artery 27 again, and then place intervention replacement valve by the method in embodiment 1, complete operation.
Embodiment 3
Get involved replacement valve operation process schematic diagram see Fig. 5 c.The conventional Thoracotomy in Management apex of the heart punctures, at DSA (Digital subtraction angiography, digital subtraction angiography) guiding under, first-selected being penetrated to right ventricle 25 from the apex of the heart by seal wire enters main pulmonary artery 27 again, and then place intervention replacement valve by the method in embodiment 1, complete operation.
Claims (18)
1. get involved replacement valve for one kind, comprise: support, diaphragm seal and lobe leaf, it is characterized in that, described support is the grid type structure closed intersected, described grid type structure is divided into three sections, comprise ground floor grid, second layer grid, third layer grid successively, ground floor grid and third layer grid are horn mouth shape, second layer grid is column, ground floor grid outer end is with three uniform engaging lugs of assembling, be sewed with diaphragm seal inside the grid of described support, described lobe leaf is fixed on second layer grid, and the camber line of lobe leaf is sewn on second layer grid.
2. get involved replacement valve as claimed in claim 1, it is characterized in that, the number of grid of described support is any one number in nine to ten five.
3. get involved replacement valve as claimed in claim 2, it is characterized in that, described support has nine grids.
4. get involved replacement valve as claimed in claim 1, it is characterized in that, described ground floor grid is connected by connecting rod with between second layer grid, also be connected by connecting rod between second layer grid with third layer grid, the quantity of the quantity of the connecting rod between described ground floor grid and second layer grid, the connecting rod between second layer grid and third layer grid is respectively any one number in three to ten five.
5. get involved replacement valve as claimed in claim 4, it is characterized in that, the connecting rod quantity of described ground floor grid and second layer grid is nine, and the connecting rod of second layer grid and third layer grid is uniform three.
6. get involved replacement valve as claimed in claim 3, it is characterized in that, the grid of described support is made up of cradling piece, and the cradling piece of every layer of grid cell is long, the wide difference of bar.
7. get involved replacement valve as claimed in claim 1, it is characterized in that, the material of described support is Nitinol.
8. get involved replacement valve as claimed in claim 1, it is characterized in that, described diaphragm seal is sewed up and is fixed on surrounding inside support, and the material of diaphragm seal is macromolecular material.
9. get involved replacement valve as claimed in claim 8, it is characterized in that, the material of described diaphragm seal is Cor Sus domestica bag.
10. get involved replacement valve as claimed in claim 4, it is characterized in that, described lobe leaf has three, and in semilune structure, lobe leaf both sides are sewed up between two and are fixed on connecting rod, and the camber line of lobe leaf is sewn on grid.
11. get involved replacement valve as claimed in claim 10, it is characterized in that, described lobe leaf is the biological tissue of calcification process.
12. get involved replacement valve as claimed in claim 11, it is characterized in that, described lobe leaf is the Cor Sus domestica bag of calcification process.
13. 1 kinds, for carrying the controlled delivery device of intervention replacement valve according to claim 1, is characterized in that, comprising:
Taper head end, its distal diameter is less than proximal diameter;
Interior pipe, its far-end is connected to taper head end near-end and inside has the thread eye being through to taper head end;
Push rod, its far-end is connected with the connection pawl for connecting the intervention replacement valve described in claim 1;
Outer tube, it has the inner chamber can accommodating intervention replacement valve according to claim 1 and the far-end that can insert for taper head end near-end;
Can improve the stable pipe of the precision and stability getting involved replacement valve conveying, it is wrapped in outside outer tube;
Can accurately discharge getting involved replacement valve and discharge the joystick switched fast, it be located at stable pipe and proximal outer tube.
14. controlled delivery devices as claimed in claim 13, is characterized in that, the diameter being greater than the rear end part for accommodating push rod of the inner chamber of described outer tube for the asylum diameter given an account of into the fore-end of replacement valve of the inner chamber of described outer tube.
15. controlled delivery devices as claimed in claim 13, is characterized in that, the connection pawl of the far-end of described push rod has three connecting holes, is connected with the engaging lug of intervention replacement valve according to claim 1.
16. controlled delivery devices as claimed in claim 13, is characterized in that, described joystick has rotatable with front and back promotion, to cause the slide block seesawed of outer tube.
17. controlled delivery devices as claimed in claim 16, is characterized in that, described joystick have the switching key that slide block can be made to carry out rotation process or front and back promotion operation.
18. controlled delivery devices as claimed in claim 17, is characterized in that described joystick there is the safety key for locking described switching key.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569912.6U CN204121202U (en) | 2014-09-25 | 2014-09-25 | A kind of intervention replacement valve and controlled delivery device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420569912.6U CN204121202U (en) | 2014-09-25 | 2014-09-25 | A kind of intervention replacement valve and controlled delivery device thereof |
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| CN204121202U true CN204121202U (en) | 2015-01-28 |
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| CN201420569912.6U Expired - Lifetime CN204121202U (en) | 2014-09-25 | 2014-09-25 | A kind of intervention replacement valve and controlled delivery device thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104257442A (en) * | 2014-09-25 | 2015-01-07 | 北京迈迪顶峰医疗科技有限公司 | Intrusive replacement valve and controllable conveying device thereof |
| CN104758091A (en) * | 2015-04-20 | 2015-07-08 | 上海纽脉医疗科技有限公司 | Support for involvement type artificial cardiac valve and preparation method thereof |
| CN105476731A (en) * | 2016-01-11 | 2016-04-13 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve device conveyed by catheter |
| CN105496606A (en) * | 2016-01-11 | 2016-04-20 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve membrane device conveyed through catheter |
| CN105496608A (en) * | 2016-01-11 | 2016-04-20 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve device conveyed by catheter |
| CN105496607A (en) * | 2016-01-11 | 2016-04-20 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve device conveyed by catheter |
| CN116570404A (en) * | 2023-07-13 | 2023-08-11 | 上海威高医疗技术发展有限公司 | Valve support and artificial heart valve prosthesis |
-
2014
- 2014-09-25 CN CN201420569912.6U patent/CN204121202U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104257442A (en) * | 2014-09-25 | 2015-01-07 | 北京迈迪顶峰医疗科技有限公司 | Intrusive replacement valve and controllable conveying device thereof |
| CN104257442B (en) * | 2014-09-25 | 2017-01-25 | 北京迈迪顶峰医疗科技有限公司 | Intrusive replacement valve and controllable conveying device thereof |
| CN104758091A (en) * | 2015-04-20 | 2015-07-08 | 上海纽脉医疗科技有限公司 | Support for involvement type artificial cardiac valve and preparation method thereof |
| CN105476731A (en) * | 2016-01-11 | 2016-04-13 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve device conveyed by catheter |
| CN105496606A (en) * | 2016-01-11 | 2016-04-20 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve membrane device conveyed through catheter |
| CN105496608A (en) * | 2016-01-11 | 2016-04-20 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve device conveyed by catheter |
| CN105496607A (en) * | 2016-01-11 | 2016-04-20 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve device conveyed by catheter |
| WO2017121194A1 (en) * | 2016-01-11 | 2017-07-20 | 北京迈迪顶峰医疗科技有限公司 | Transcatheter aortic valve device having positioning ring |
| WO2017121195A1 (en) * | 2016-01-11 | 2017-07-20 | 北京迈迪顶峰医疗科技有限公司 | Transcatheter aortic valve device having tentacle structures |
| WO2017121193A1 (en) * | 2016-01-11 | 2017-07-20 | 北京迈迪顶峰医疗科技有限公司 | Apparatus, having arcuate positioning rods, for transcatheter delivery of aortic valve |
| CN116570404A (en) * | 2023-07-13 | 2023-08-11 | 上海威高医疗技术发展有限公司 | Valve support and artificial heart valve prosthesis |
| CN116570404B (en) * | 2023-07-13 | 2023-11-03 | 上海威高医疗技术发展有限公司 | Valve support and artificial heart valve prosthesis |
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