CN103462728A - Artificial aortic valve support implanted through guide tube and conveying system thereof - Google Patents
Artificial aortic valve support implanted through guide tube and conveying system thereof Download PDFInfo
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- CN103462728A CN103462728A CN2013104170986A CN201310417098A CN103462728A CN 103462728 A CN103462728 A CN 103462728A CN 2013104170986 A CN2013104170986 A CN 2013104170986A CN 201310417098 A CN201310417098 A CN 201310417098A CN 103462728 A CN103462728 A CN 103462728A
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Abstract
The invention provides an artificial aortic valve support implanted through a guide tube. The artificial aortic valve support comprises a support and an artificial valve. The support is weaved from an elastic-fiber-shaped material, is in a dumbbell structure, and comprises a head, a waist and a tail, and a layer of biocompatible film is covered on an outer surface of the head of the support, and a mounting anchor is mounted at the tail of the support. A conveying system for conveying the support is further provided and comprises an epitheca, an inner core, a loader, a push bar and a fixed head. The mounting anchor at the tail of the support is mounted on the fixed head, and the artificial aortic valve support is conveyed to an inner body through puncturing. The support is close to physiological anatomical structure and is capable of self-expanding separation, and an artificial bio-valve is adopted and is close to the functions of the artificial valve. And the conveying system can be slightly transformed from the conveying system of a heart disease stopper, so that apparatuses used for treating structural heart disease become standard and normal gradually, and meanwhile, resources are also saved and consumption is lowered.
Description
Technical field
The invention belongs to medical instruments field, relate in particular to a kind of aortic valve prosthesis's support and induction system thereof of implanting through conduit.
Background technology
Along with the arrival of aged tendency of population society, aortic stenosis will become one of modal adult's valve disease.It is unique effective treatment means that surgical valve is replaced, and can improve patient's sings and symptoms, life-saving.Even can not carry out surgical operation therapy but still have the narrow patient of many severe aortic lobes in developed country because of advanced age and multiple complication, there is some patients were to be reluctant to perform the operation because worrying postoperative complication simultaneously.Cribier etc. have reported that in December, 2002 the 1st routine human body is through the conduit aortic valve replacement, and this technology is applied to clinically gradually at present, may become a kind of Therapeutic Method of new aortic stenosis.But it is to be solved that this technology still has many problems to have at present, such as fixing, the valve periphery of valve bracket, leak and life-span of artificial valve etc.
Since the sixties in 19th century, Cardiac valve prosthesis is used for the treatment of valvular heart disease more and more.Cardiac valve prosthesis comprises artificial mechanical valve prosthesis and bioprosthesis valve (being called for short biovalve or bioprosthetic valve).A kind of Cardiac valve prosthesis that bioprosthetic valve is comprised of lobe leaf and support body.The lobe leaf is the moving part that valve opens and closes, and generally with the stabilate macromolecule combined material formed after cattle or the chemical treatment of pig pericardium channel, makes.The lobe frame plays configuration, support and load.The shape of bioprosthetic valve is similar to people body-centered lobe, and its flow pattern belongs to the center flow pattern, and flow field characteristic also approaches people body-centered lobe.The anti-hemolysis of bioprosthetic valve and antithrombotic better performances, but due to the reason of material (as produced calcification) and lobe type design reasonable not, bioprosthetic valve has just partly reached the purpose of improving the prosthetic heart valve performance.And as the processing and fabricating of its core distinguish frame, comparatively ununified standard also, on design or processing and fabricating all also in the exploratory stage.Along with deepening continuously of Cardiac valve prosthesis flow field theory and biomaterial theoretical research, the biovalve lobe leaf mechanics property analysis and the research of lobe frame precise forming processing method that round improving bioprosthetic valve service life, launch show wide prospect.
Current implantable prosthetic valve has surgical operation and implants, implants and the method such as percutaneous puncture implantation through conduit, but the Srgery grafting art adopts the surgery thoracotomy, wound is large, operation risk is high, merging symptom advanced age can not surgical operation, the mental maladjustment person of some patients were to the surgery postoperative complication, therefore, the Srgery grafting art is limited larger.Existingly implant the rustless steel valve bracket through conduit and need valve bracket be implanted by the mode of balloon expandable, this method, because of balloon expandable, easily causes the risk of the severe complications such as cardiac tamponade, myocardial infarction.And percutaneous puncture direct motion method is implanted, this scheme is because of the puncture interatrial septum, and operation is comparatively complicated, may cause the Bicuspid valve damage, and mechanical stress effect valve bracket and surrounding tissue easily cause the possibility of perivalvular leakage.
Summary of the invention
The present invention is to provide a kind of aortic valve prosthesis's support and the induction system thereof that can implant through conduit.Technical scheme provided by the invention is as follows:
A kind of aortic valve prosthesis's support of implanting through conduit, be " dumbbell shaped " structure by the establishment of elastotic material, comprises head 1, waist 2 and afterbody 3, head is proximal part, be cylindric, diameter is 18-22mm, with aortic root lobe ring place shape, is complementary; Waist 2 caves inward, and mesh is enlarged, corresponding with coronary ostium; Afterbody 3 is cylindric, corresponding with ascending aorta, it is characterized in that, at the outer surface of support head, covers one deck biocompatibility thin film 4, and the support afterbody is provided with installs anchor 7.
Preferably, biocompatibility thin film 4 is politef, polyurethane or polyethylene film.
Preferably, in the inside of support head, biovalve 5 is housed, the backing positions place corresponding with the lobe leaf of biovalve 5 leaves opening 6.More preferably, described biovalve 5 is SANYE semilunar valve structure 14, and the backing positions place corresponding with the lobe leaf of biovalve 5 leaves three openings 6.More preferably, each lobe leaf 15 is 120 degree fan-like structure, and with corresponding three openings 6 of these three lobe leaves 15, to be 120 degree at same plane angular distribution.More preferred as biovalve 5, the lobe leaf has cambered surface 16, mountain peak part 17 and obtuse angle part 18, and cambered surface 16 and mountain peak part 17 are sewed up and fixed with support, and obtuse angle part 18 is the movable flap leaf, centripetal 19 of the lobe leaf is convex surface, the lobe leaf be concave surface to ascending aorta face 20.
Preferably, the support afterbody is provided with three installation anchors 7, three installation anchors 7 are 120 degree and distribute, it is the parts of being made by stainless steel material that anchor 7 is installed, these parts are comprised of metal cuboid 11 and seal wire 12, seal wire 12 1 ends are welded in cuboid 11 centre positions, and the other end is welded in the support tail end, and cuboid upper surface corner angle 13 abates are circular-arc.
The fibrous material of aortic valve prosthesis's support that preferably, establishment is implanted through conduit is to select the high resiliency nitinol alloy wire.
The present invention's invention also provides a kind of induction system, for delivery of aforementioned aortic valve prosthesis's support, by epitheca, inner core, loader, push rod and fixing head, formed, it is characterized in that, epitheca is comprised of sheath pipe 24 and sheath pipe joint 25, the far-end 23 of sheath pipe has closing in, and near-end is connected with sheath pipe joint 25; Inner core is comprised of inner catheter 22 and inner core joint 26,21 one-tenth tip configurations of the far-end of inner catheter, and near-end is connected with inner core joint 26; Loader is comprised of short sheath pipe 29, fastening 30, sheath pipe joint 31 and haemostatic valve 32; Push rod is comprised of spring-guide wire 28, precision screw 27 and handle 33; Fixing head 9 is the cylinders by stainless steel material, there is accurate screw 10 at its proximal hub place, this screw 10 can realize that spiral is connected with the precision screw 27 of push rod far-end, diameter and the epitheca of fixing head 9 are used in conjunction with, its diameter is less than the epitheca bore, its gap is 0.1 ~ 0.15mm, in the distal outer surface of fixing head 9, has square groove 8, and this square groove 8 can be put the installation anchor 7 of support tail end in groove into and take in the sheath pipe.
As preferred embodiment, the afterbody of described aortic valve prosthesis's support is provided with three installation anchors 7, three installation anchors 7 are 120 degree and distribute, it is the parts of being made by stainless steel material that anchor 7 is installed, these parts are comprised of metal cuboid 11 and seal wire 12, and in the distal outer surface of fixing head according to angular distribution three square grooves 8 of 120 degree, the cuboid 11 that anchor 7 is installed can be positioned in the square groove 8 of fixing head 9 and not expose.
Beneficial effect:
1. because this aortic valve prosthesis's support adopts " dumbbell shaped ", more press close to the Physiological Anatomy structure, the head of support is installed on aortic root lobe ring place shape and is complementary, and afterbody is installed on the ascending aorta opening part, and the support fixation is difficult for displacement.
2. because support is " dumbbell shaped ", waist bracket caves inward and mesh grid is sparse, mesh is larger, corresponding with coronary ostium, reduces the impact of coronary blood flow quantity not sufficient, reduces the risk of myocardial infarction.
3. the part that this support head is corresponding with the lobe leaf has three openings, it is angular distribution and corresponding with the lobe leaf that three aperture distribution are 120 degree around head support, when opening, the lobe leaf with the touch-proof support, valve can not be opened fully, carrier openings can leave larger activity space to valve, lobe leaf opening angle increases, and blood flow is unobstructed, eddy current is few.
4. this support head outer surface is covered with thin film, and this thin film is sutured in rack outer surface, can prevent perivalvular leakage, can reduce the risk of aortic regurgitation.
5. the valve of this prosthetic aortic valve support adopts bovine pericardium or Cor Sus domestica bag lobe, because of the blood compatibility of its biomaterial better, blood component is destroyed few, the thromboembolism incidence rate is low, postoperative without lifelong anticoagulant, thereby avoid the hemorrhage complication caused because of the anticoagulant amount of exceeding, be applicable to the case that bleeding tendency, the women of child-bearing age and outlying rural area are not easy to carry out anticoagulant therapy.
6. owing to adopting biovalve, the lobe leaf belongs to the surface of revolution moulding, and it is angular distribution that three lobe leaves are 120 degree, and this valve belongs to center blood flow type, and close to normal artificial valvular function, hemodynamics is functional, to approach or to reach the performance of the natural heart lobe of human body.
7. the installation anchor of this support is T-shaped structure, can be used in conjunction with fixing head, realization in the sheath pipe to the movement that reels of valve bracket, fixing head is that spiral is connected with push rod simultaneously, change the fixing head of different-diameter according to sheath pipe specification, when clinical practice, select corresponding fixing head according to specification and the decision of sheath pipe specification of valve bracket, can save material and reduce costs.
8. this support adopts high resiliency nitinol alloy wire, reaches and is transported to the effect that self-expanding after target site breaks away from induction system.
9. the induction system of this artificial valve's support can be transformed slightly and be obtained by the induction system of congenital heart disease occluder, makes equipment standardization gradually, the standardization of interventional therapy structural heart disease, also economizes on resources, reduces consumption simultaneously.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is artificial aortic valve stent;
Fig. 2 is the schematic diagram after artificial aortic valve stent is shunk;
The front view that Fig. 3 is fixing head;
The rip cutting figure that Fig. 4 is fixing head;
The cross-sectional view that Fig. 5 is fixing head;
Fig. 6 is for installing the side view of anchor;
Fig. 7 is for installing the front view of anchor;
The schematic diagram that Fig. 8 is the artificial valve;
The front view that Fig. 9 is the lobe leaf;
The side view that Figure 10 is the lobe leaf;
Figure 11 is the induction system schematic diagram;
Figure 12 is loader and push rod assembling schematic diagram;
Figure 13 is for installing anchor and the profile of fixing head in the sheath pipe.
In the drawings: 1 head; 2 waists; 3 afterbodys; 4 thin film; 5 biovalves; 6 openings; 7 install anchor; 8 square grooves; 9 fixing head; 10 screws; 11 cuboids; 12 seal wires; 13 corner angle; 14 SANYE semilunar valve structures; 15 lobe leaves; 16 cambered surfaces; 17 mountain peak parts; 18 obtuse angle parts; 19 centripetal; 20 to the ascending aorta face; 21 inner catheter far-ends; 22 inner catheters; 23 sheath pipe far-ends; 24 sheath pipes; 25 sheath pipe joints; 26 inner core joints; 27 screws; 28 seal wires; 29 short sheath pipes; 30 fastenings; 31 sheath pipe joints; 32 haemostatic valve; 33 handles.
The specific embodiment
Further describe the present invention below in conjunction with accompanying drawing.Should be appreciated that, institute's graph plotting type and the explanation provided be only example as preferred embodiment the present invention will be described, and should not be construed as, protection scope of the present invention is construed as limiting, protection scope of the present invention is limited by claims only.
1. structure explanation
Aortic valve prosthesis's support of the present invention comprises support and artificial valve, and described support is to be " dumbbell shaped " structure by the establishment of high resiliency nitinol alloy wire, comprises head 1, waist 2 and afterbody 3, as shown in Figure 1.Head 1 is proximal part, is cylindric, with aortic root lobe ring place shape, is complementary; Waist 2 caves inward, and mesh is enlarged, corresponding with coronary ostium; Afterbody 3 is cylindric, with ascending aorta to corresponding.Its head diameter is 18-22mm, as shown in Figure 2, when support shrinks, can take in the sheath pipe of 14F or 16F, by the blood vessel approach, implants.Outer surface at the support head covers one deck biocompatibility thin film 4 preferably, and as politef, polyurethane, polyethylene etc., this thin film can effectively stop perivalvular leakage.As shown in Figure 8, in the inside of support head, biovalve 5 is housed, as seen from Figure 1, the backing positions place corresponding with the lobe leaf leaves opening 6, it is angular distribution that three openings are 120 degree at same plane, in case lobe leaf touching support during the valve opening, is conducive to increase the opening angle of valve.Referring to Fig. 3-7, the support afterbody has three installation anchors 7, and this installation anchor can be positioned in the square groove of fixing head 98, and there is accurate screw 10 at the proximal hub place of fixing head, and this screw can be connected with the precision screw 27 of push rod far-end.It is the precise part of being made by stainless steel material that anchor is installed, these parts are comprised of metal cuboid 11 and seal wire 12, seal wire one end is welded in the cuboid centre position, the other end is welded in the support tail end, and three installation anchors are 120 degree distributions, it is circular-arc 13 that cuboid upper surface corner angle abate is, and this circular-arc can assurance is slided freely in the sheath pipe, and this cuboid is positioned in the square groove of fixing head and does not expose.Again referring to Fig. 9 and 10, described artificial valve 5 is SANYE semilunar valve structure 14, each lobe leaf 15 is 120 degree fan-like structure, the cambered surface 16 of lobe leaf and mountain peak part 17 are sewed up fixing with support, obtuse angle part 18 is the movable flap leaf, and centripetal 19 of the lobe leaf is convex surface, the lobe leaf be concave surface to ascending aorta face 20, three lobe leaves are 120 degree and distribute, and have realized the function that heart contraction unlatching, diastole are closed.
Referring to Figure 11 and 12, induction system is comprised of epitheca, inner core, loader, push rod and fixing head.Epitheca is comprised of sheath pipe 24 and sheath pipe joint 25, and the far-end 23 of sheath pipe has closing in, and near-end is connected with sheath pipe joint 25, inner core is comprised of inner catheter 22 and inner core joint 26,21 one-tenth tip configurations of the far-end of inner catheter, and near-end is connected with inner core joint 26, loader is comprised of short sheath pipe 29, fastening 30, sheath pipe joint 31 and haemostatic valve 32, and push rod is comprised of spring-guide wire 28, precision screw 27 and handle 33, fixing head 9 can realize that spiral is connected with push rod, diameter and the epitheca of fixing head are used in conjunction with, its diameter is less than the epitheca bore, its gap is 0.1-0.15mm, depending on the sheath pipe of different size and change corresponding fixing head, fixing head is the cylinder by stainless steel material, there is accurate screw at its proximal hub place, this screw can be connected with the precision screw spiral of push rod far-end, in the distal outer surface of fixing head according to angular distribution three square grooves of 120 degree, this square groove can be put in groove by the installation anchor of support tail end and take in the sheath pipe as shown in figure 13, and under the self-expanding state automatic spring.
2, material explanation
Support of the present invention belongs to self-expandable stent, by the braiding of high resiliency nitinol alloy wire, is formed; Valve partly adopts biovalve, by animal tissue, as bovine pericardium, Cor Sus domestica, is packed into; Anti-perivalvular leakage film belongs to macromolecular material as politef, polyurethane and polyethylene etc.; Stitching thread adopts surgery polyester stitching thread commonly used; It is Stainless steel 316 L and Nitinol that the anchor parts are installed.
This induction system is similar to the stopper induction system, has increased the fixing head be connected with push rod, and the induction system material therefor is politef, polyethylene, ABS, rustless steel etc.
3, description of the process
This support, by the nitinol alloy wire hand woven, obtains through high-temperature shaping under shaper; It is material that the artificial valve be take fresh bovine pericardium or Cor Sus domestica bag, after a series of biochemistrys such as de-cell, detoxification are processed, pericardium is cut into to the lobe leaf, is the curved surface shape through typing, then is sewn to the assigned position of support; Anti-perivalvular leakage film is sutured in the support outside.Anchor is installed and is made by mechanical Precision Machining, be connected with the nitinol alloy wire laser weld.
The processing technique of induction system is identical with the processing technique of stopper induction system, and fixing head is to make through mechanical Precision Machining.
4, operation principle
Form because support of the present invention adopts the braiding of high resiliency nitinol alloy wire, under naturalness, be swelling state, can take under external force pressure in the sheath pipe and be a linear.Three installation anchors of support afterbody are positioned in the square groove of fixing head, due to fixing head diameter and sheath bore matched in clearance, be connected and fixed head by push rod, reel push rod artificial valve support and be free to slide in the sheath pipe, when valve bracket is released the sheath pipe, due to the self-expanding performance of support, successively occur that head expands, waist expander, last afterbody expands, thereby drive three installation anchors, breaks away from fixing head, and artificial valve's support is planted in body.Because the lobe leaf adopts the surface of revolution moulding, to approach or to reach the performance of the natural heart lobe of human body, blood flow directive aorta when heart shrinks, valve is opened, when the heart diastole, valve is closed, three lobe leaves stressed evenly and circumferential stress less, meet heart lobe kinetic theory, realized artificial valve's keying function, meet the cardiophysiology requirement, reach the purpose for the treatment of.
5, operating instruction
During percutaneous puncture, under the X-ray line, adopt Retrograde that the delivery sheath head is placed in to the aortic valvular ring place, select to be connected with the push rod spiral with the corresponding fixing head of sheath pipe specification, three installation anchors of artificial valve's support are positioned in the square groove of fixing head, the post-tensioning push rod, artificial valve's support is taken in loader, be connected backward interior propelling movement push rod with epitheca, valve bracket is at the sheath in-pipe, arrive the aortic valvular ring place and expose the head of support, the head position of adjusting pole is moderate, continue to push the support sheath pipe of simultaneously dropping back, artificial valve's support and fixing head automatic trip from, artificial valve's support is planted in body.
The above is described in detail embodiments of the present invention by reference to the accompanying drawings, but the invention is not restricted to above-mentioned embodiment, in the ken possessed at affiliated technical field those of ordinary skill, can also under the prerequisite that does not break away from aim of the present invention, make a variety of changes.
Claims (10)
1. aortic valve prosthesis's support of implanting through conduit, comprise support and artificial valve, its medium-height trestle is " dumbbell shaped " structure by the establishment of elastotic material, comprise head (1), waist (2) and afterbody (3), head is proximal part, be cylindric, diameter is 18-22mm, with aortic root lobe ring place shape, is complementary; Waist (2) caves inward, and mesh is enlarged, corresponding with coronary ostium; Afterbody (3) is cylindric, corresponding with ascending aorta, it is characterized in that, at the outer surface of support head, covers one deck biocompatibility thin film (4), and the support afterbody is provided with installs anchor (7).
2. aortic valve prosthesis's support of implanting through conduit as claimed in claim 1, is characterized in that, biocompatibility thin film (4) is politef, polyurethane or polyethylene film.
3. aortic valve prosthesis's support of implanting through conduit as claimed in claim 1, is characterized in that, biovalve (5) is arranged on the inside of support head, and the backing positions place corresponding with the lobe leaf of biovalve (5) leaves opening (6).
4. aortic valve prosthesis's support of implanting through conduit as claimed in claim 3, is characterized in that, described biovalve (5) is SANYE semilunar valve structure (14), and the backing positions place corresponding with the lobe leaf of biovalve (5) leaves three openings (6).
5. aortic valve prosthesis's support of implanting through conduit as claimed in claim 4, is characterized in that, each lobe leaf (15) is 120 degree fan-like structure, and with these corresponding three openings of three lobe leaves (15) (6), to be 120 degree at same plane angular distribution.
6. aortic valve prosthesis's support of implanting through conduit as claimed in claim 5, it is characterized in that, the lobe leaf has cambered surface (16), mountain peak part (17) and obtuse angle part (18), cambered surface (16) and mountain peak part (17) are sewed up fixing with support, obtuse angle part (18) is the movable flap leaf, centripetal (19) of lobe leaf are convex surface, the lobe leaf be concave surface to ascending aorta face (20).
7. aortic valve prosthesis's support of implanting through conduit as claimed in claim 1, it is characterized in that, the support afterbody is provided with three installation anchors (7), three installation anchors (7) are 120 degree and distribute, it is the parts of being made by stainless steel material that anchor (7) is installed, and these parts are comprised of metal cuboid (11) and seal wire (12), and seal wire (12) one ends are welded in cuboid (11) centre position, the other end is welded in the support tail end, and cuboid upper surface corner angle (13) abate is circular-arc.
8. as aortic valve prosthesis's support of implanting through conduit in any one of the preceding claims wherein, it is characterized in that this elastotic material selection high resiliency nitinol alloy wire.
9. an induction system, for delivery of as state aortic valve prosthesis's support claimed in claim 1, by epitheca, inner core, loader, push rod and fixing head, formed, it is characterized in that, epitheca is comprised of sheath pipe (24) and sheath pipe joint (25), the far-end of sheath pipe (23) has closing in, and near-end is connected with sheath pipe joint (25); Inner core is comprised of inner catheter (22) and inner core joint (26), and the far-end of inner catheter (21) becomes tip configurations, and near-end is connected with inner core joint (26); Loader is comprised of short sheath pipe (29), fastening (30), sheath pipe joint (31) and haemostatic valve (32); Push rod is comprised of spring-guide wire (28), precision screw (27) and handle (33); Fixing head (9) is the cylinder by stainless steel material, there is accurate screw (10) at its proximal hub place, this screw (10) can realize that spiral is connected with the precision screw (27) of push rod far-end, diameter and the epitheca of fixing head (9) are used in conjunction with, its diameter is less than the epitheca bore, its gap is 0.1 ~ 0.15mm, in the distal outer surface of fixing head (9), has square groove (8), and this square groove (8) can be put the installation anchor (7) of support tail end in groove and take in the sheath pipe.
10. induction system as claimed in claim 9, it is characterized in that, the afterbody of described aortic valve prosthesis's support is provided with three installation anchors (7), three installation anchors (7) are 120 degree and distribute, it is the parts of being made by stainless steel material that anchor (7) is installed, these parts are comprised of metal cuboid (11) and seal wire (12), and in the distal outer surface of fixing head according to angular distribution three square grooves of 120 degree (8), the cuboid (11) that anchor (7) is installed can be positioned in the square groove (8) of fixing head (9) and not expose.
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| CN201310417098.6A CN103462728B (en) | 2013-09-13 | 2013-09-13 | A kind of aortic valve prosthesis's holder and its transport system through conduit implantation |
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| CN201310417098.6A CN103462728B (en) | 2013-09-13 | 2013-09-13 | A kind of aortic valve prosthesis's holder and its transport system through conduit implantation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106456308A (en) * | 2015-02-04 | 2017-02-22 | M.I.泰克株式会社 | Linking stent and production method for same |
| CN108289748A (en) * | 2015-11-18 | 2018-07-17 | 百乐仕医疗器械有限公司 | Holder |
| WO2018161359A1 (en) * | 2017-03-10 | 2018-09-13 | 杭州诺茂医疗科技有限公司 | Interventional medical instrument conveying system |
| CN108720972A (en) * | 2017-04-19 | 2018-11-02 | 北京航空航天大学 | A kind of self expandable for avoiding coronary artery from blocking intervention valve bracket |
| CN110337282A (en) * | 2017-02-27 | 2019-10-15 | 波士顿科学国际有限公司 | Has markd deployment catheter |
| CN114642820A (en) * | 2020-12-18 | 2022-06-21 | 先健科技(深圳)有限公司 | Medical delivery catheter |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060265056A1 (en) * | 2005-05-13 | 2006-11-23 | Corevalve, Inc. | Heart valve prosthesis and methods of manufacture and use |
| US20070142907A1 (en) * | 2005-12-16 | 2007-06-21 | Micardia Corporation | Adjustable prosthetic valve implant |
| CN101011298A (en) * | 2006-01-16 | 2007-08-08 | 孔祥清 | Device for replacing aortic valve membrane or pulmonary valve membrane percutaneously |
| CN101243999A (en) * | 2008-03-05 | 2008-08-20 | 中国人民解放军第二军医大学 | Aorta bracket with valve of recoverable and adjustable position |
| CN101352376A (en) * | 2008-09-02 | 2009-01-28 | 中国人民解放军第二军医大学 | Aorta valve stent with anchoring foot |
| WO2009045338A1 (en) * | 2007-09-28 | 2009-04-09 | St. Jude Medical, Inc. | Collapsible-expandable prosthetic heart valves with structures for clamping native tissue |
| WO2011134070A1 (en) * | 2010-04-29 | 2011-11-03 | Coroneo, Inc. | Aortic conduit configured with terminal ends having neosinuses of valsalva |
| CN102462565A (en) * | 2011-10-25 | 2012-05-23 | 张石江 | Recyclable and adjustable interventional stent for constricting blood vessels |
| CN102784016A (en) * | 2011-05-17 | 2012-11-21 | 上海形状记忆合金材料有限公司 | Valve conveying system for implanting valve from apex cordis and using method thereof |
| CN202537709U (en) * | 2012-05-04 | 2012-11-21 | 乐普（北京）医疗器械股份有限公司 | Integrated heart valve conveying system |
| CN203483543U (en) * | 2013-09-13 | 2014-03-19 | 徐州亚太科技有限公司 | Artificial aortic valve support implanted through catheter and conveying system thereof |
-
2013
- 2013-09-13 CN CN201310417098.6A patent/CN103462728B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060265056A1 (en) * | 2005-05-13 | 2006-11-23 | Corevalve, Inc. | Heart valve prosthesis and methods of manufacture and use |
| US20070142907A1 (en) * | 2005-12-16 | 2007-06-21 | Micardia Corporation | Adjustable prosthetic valve implant |
| CN101011298A (en) * | 2006-01-16 | 2007-08-08 | 孔祥清 | Device for replacing aortic valve membrane or pulmonary valve membrane percutaneously |
| WO2009045338A1 (en) * | 2007-09-28 | 2009-04-09 | St. Jude Medical, Inc. | Collapsible-expandable prosthetic heart valves with structures for clamping native tissue |
| CN101243999A (en) * | 2008-03-05 | 2008-08-20 | 中国人民解放军第二军医大学 | Aorta bracket with valve of recoverable and adjustable position |
| CN101352376A (en) * | 2008-09-02 | 2009-01-28 | 中国人民解放军第二军医大学 | Aorta valve stent with anchoring foot |
| WO2011134070A1 (en) * | 2010-04-29 | 2011-11-03 | Coroneo, Inc. | Aortic conduit configured with terminal ends having neosinuses of valsalva |
| CN102784016A (en) * | 2011-05-17 | 2012-11-21 | 上海形状记忆合金材料有限公司 | Valve conveying system for implanting valve from apex cordis and using method thereof |
| CN102462565A (en) * | 2011-10-25 | 2012-05-23 | 张石江 | Recyclable and adjustable interventional stent for constricting blood vessels |
| CN202537709U (en) * | 2012-05-04 | 2012-11-21 | 乐普（北京）医疗器械股份有限公司 | Integrated heart valve conveying system |
| CN203483543U (en) * | 2013-09-13 | 2014-03-19 | 徐州亚太科技有限公司 | Artificial aortic valve support implanted through catheter and conveying system thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106456308A (en) * | 2015-02-04 | 2017-02-22 | M.I.泰克株式会社 | Linking stent and production method for same |
| CN106456308B (en) * | 2015-02-04 | 2018-02-02 | M.I.泰克株式会社 | Support and its manufacture method for connection |
| CN108289748A (en) * | 2015-11-18 | 2018-07-17 | 百乐仕医疗器械有限公司 | Holder |
| CN108289748B (en) * | 2015-11-18 | 2020-08-11 | 百乐仕医疗器械有限公司 | Support frame |
| CN110337282A (en) * | 2017-02-27 | 2019-10-15 | 波士顿科学国际有限公司 | Has markd deployment catheter |
| US11744669B2 (en) | 2017-02-27 | 2023-09-05 | Boston Scientific Scimed Inc. | Deployment marker |
| WO2018161359A1 (en) * | 2017-03-10 | 2018-09-13 | 杭州诺茂医疗科技有限公司 | Interventional medical instrument conveying system |
| CN108720972A (en) * | 2017-04-19 | 2018-11-02 | 北京航空航天大学 | A kind of self expandable for avoiding coronary artery from blocking intervention valve bracket |
| CN114642820A (en) * | 2020-12-18 | 2022-06-21 | 先健科技(深圳)有限公司 | Medical delivery catheter |
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| Publication number | Publication date |
|---|---|
| CN103462728B (en) | 2018-07-31 |
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