CN102247225B - 用于改善心脏瓣膜功能的装置和成套工具 - Google Patents
用于改善心脏瓣膜功能的装置和成套工具 Download PDFInfo
- Publication number
- CN102247225B CN102247225B CN201110167120.7A CN201110167120A CN102247225B CN 102247225 B CN102247225 B CN 102247225B CN 201110167120 A CN201110167120 A CN 201110167120A CN 102247225 B CN102247225 B CN 102247225B
- Authority
- CN
- China
- Prior art keywords
- support member
- annular support
- valve
- valvular
- tissue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000003709 heart valve Anatomy 0.000 title claims abstract description 39
- 230000009471 action Effects 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 4
- 210000001519 tissue Anatomy 0.000 description 52
- 238000000034 method Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 15
- 238000003780 insertion Methods 0.000 description 14
- 230000037431 insertion Effects 0.000 description 14
- 230000008569 process Effects 0.000 description 13
- 210000004115 mitral valve Anatomy 0.000 description 12
- 230000001746 atrial effect Effects 0.000 description 9
- 210000002435 tendon Anatomy 0.000 description 7
- 208000012868 Overgrowth Diseases 0.000 description 6
- 208000007536 Thrombosis Diseases 0.000 description 6
- 210000005240 left ventricle Anatomy 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000008439 repair process Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 239000012781 shape memory material Substances 0.000 description 4
- 210000000591 tricuspid valve Anatomy 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000003540 papillary muscle Anatomy 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 210000005241 right ventricle Anatomy 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
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
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2445—Annuloplasty rings in direct contact with the valve annulus
- A61F2/2448—D-shaped rings
-
- 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
-
- 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
- A61F2/2445—Annuloplasty rings in direct contact with the valve annulus
-
- 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
- A61F2/246—Devices for obstructing a leak through a native valve in a closed condition
-
- 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
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/009—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof magnetic
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
- A61F2220/0016—Fixation appliances for connecting prostheses to the body with sharp anchoring protrusions, e.g. barbs, pins, spikes
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0041—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels or rivets, e.g. connecting screws
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0083—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using hook and loop-type fasteners
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0091—Three-dimensional shapes helically-coiled or spirally-coiled, i.e. having a 2-D spiral cross-section
Abstract
本发明涉及一种用于改善心脏瓣膜功能的装置,其包括:第一环形支撑件,该第一环形支撑件被设置为邻接所述心脏瓣膜的第一侧;和第二环形支撑件,该第二环形支撑件被设置为邻接所述心脏瓣膜的与所述第一侧相反的第二侧,从而使所述瓣膜组织的一部分被限制在所述第一支撑件与第二支撑件之间。所述第二支撑件的外边界大于所述第一支撑件的外边界。本申请还包括用于改善心脏瓣膜功能的成套工具。
Description
本申请是申请日为2006年2月27日、申请号为200680006300.4的发明名称为“用于改善心脏瓣膜功能的装置和成套工具”的发明申请的分案申请。
技术领域
本发明总体上涉及心脏瓣膜修复技术和环塑(annuloplasty)装置。更具体地,本发明涉及具有不同畸形和机能障碍的心脏瓣膜的修复。
背景技术
损坏的二尖瓣和三尖瓣瓣膜经常需要更换或修复。二尖瓣和三尖瓣瓣膜的小叶或支撑腱可能会退化和弱化,或者环带可能会膨胀而导致瓣膜渗漏(机能不全)。所述小叶和腱可出现钙化和变厚,从而使其变窄(阻碍向前的流动)。最终,瓣膜依赖于在心室中插入腱。如果心室的形状变化,则瓣膜支撑件可变得失效,瓣膜可能会渗漏。
二尖瓣和三尖瓣瓣膜的更换和修复在传统上采用缝合技术进行。在瓣膜更换的过程中,各接缝围绕着环带(瓣膜小叶与心脏相连的位置)间隔开,然后各接缝被连接到修复瓣膜上。所述瓣膜被降低到适当位置,当接缝扎紧后瓣膜被紧固到环带上。外科医生可在插入修复瓣膜之前去除所有的或部分的瓣膜小叶。在瓣膜修复中,损坏的瓣膜被留在原处,进行手术过程以恢复其功能。环塑环经常被使用以减小环带的尺寸。该环用于减小环带的直径,并使各小叶彼此正常地相对。使用缝合物将修复环与环带相连并协助环带形成褶皱。
通常,环塑环和更换瓣膜必需被缝合到瓣膜环带上,这是费时并单调的。如果该环严重错位,则必须去除缝合线并且在重新缝合时将所述环相对于瓣 膜环带重新定位。在其他情况下,外科医生宁可容忍不理想的环塑装置,也不愿延长重新缝合所述环的手术时间。
在心脏手术的过程中,由于心脏被频繁停止跳动而且处于中空状态,因而最好能够减少更换和修复瓣膜的时间。因此,采用一种方法将修复部分有效连接到二尖瓣和三尖瓣瓣膜的位置将是非常有用的。
在US6,419,696中,公开了一种环塑装置。该环塑装置包括第一和第二支撑环,它们彼此连接以形成盘绕结构。所述第一和第二支撑环被设置为邻接瓣膜环带的相反侧,从而将瓣膜组织限制在二者之间。通过将所述装置旋转到瓣膜环带相反侧上的适合位置,这种环塑装置可容易地应用于瓣膜。
发明内容
本发明的目的是提供一种改进的瓣膜修复。本发明的特定目的在于提供一种环塑装置,其在应用于心脏瓣膜时使瓣膜小叶破损的风险降低。
本发明的这些和其他目的,通过根据各独立权利要求的装置来实现。本发明的优选实施例通过各从属权利要求而呈现。
根据本发明的第一方面,提供一种用于改善心脏瓣膜功能的装置,所述心脏瓣膜由瓣膜组织构成,并且包括环带和多个小叶。所述装置包括:第一环形支撑件,其被设置为邻接所述心脏瓣膜的第一侧;和第二环形支撑件,其被设置为邻接所述心脏瓣膜的与所述第一侧相反的第二侧;从而使所述瓣膜组织的一部分被限制在所述第一支撑件与所述第二支撑件之间,其中所述第二支撑件的外边界大于所述第一支撑件的外边界。
这种装置可用于进行环塑,以重新成形瓣膜环带,从而改善瓣膜的功能。所述第一环形支撑件和所述第二环形支撑件将被定位在心脏瓣膜的相反侧上,并将所述瓣膜组织限制在二者之间,以固定瓣膜的所需形状。所述装置还可用于承载和定位一更换心脏瓣膜。
所述第二支撑件的外边界大于所述第一支撑件的外边界这一特征意味着,当所述装置正确定位在心脏瓣膜中时可被设置为,使得第一和第二环形 支撑件在心脏瓣膜的相对侧上彼此偏移。已经发现,这种结构降低了在小叶中出现破损的风险,其在心脏正常工作时使下支撑件弯曲以打开瓣膜。对于这种降低的破损风险的可能的解释是,由于支撑件彼此偏移,因此,在第一和第二支撑件之间的夹持不会急剧地限定瓣膜小叶弯向下支撑件的径向位置。当在心房瓣膜(atrial valve)上使用所述装置时,现在下支撑件可被设置为邻近于瓣膜的环带,该环带在其心室侧较大。因此,所述装置还可被设置为在心脏正常工作时最小程度地影响小叶的运动。而且,较大的下支撑件提供在所述装置的插入过程中使支撑件围绕左心室中的腱移动的可能性。然而,可想到的是,可替代地通过使上支撑件的外边界大于下支撑件的外边界,也可降低破损风险。
如在此所使用的,术语“环形”应被理解为弯曲的形状,其可被封闭为圆形、椭圆形或D形形式的环或者可匹配于瓣膜环带形状的任何其他封闭形式的环。术语“环形”还包括开口以形成弓形的弯曲形状,例如包括至少180°转角的C形或U形,以使支撑件可沿环形瓣膜形状的主体部分邻接瓣膜组织。术语“环形”还包括自身重叠以形成盘绕部分的弯曲形状。
第一和第二环形支撑件可为单独的实体,并可被设置为当被插入并接合瓣膜组织时进行连接。
可替代地,所述第一环形支撑件的端部可通过一连接部件与所述第二环形支撑件的端部相连,使得所述支撑件以及连接部件形成盘绕状。
这意味着,第一和第二支撑件可同时定位于心脏瓣膜中的适合位置。当用于心房瓣膜时,所述盘绕状可从心房瓣膜小叶之间的连合的心房侧应用,并旋转360°,使得一个环形支撑件通过所述连合插入并沿瓣膜的心室侧延伸,而另一环形支撑件沿瓣膜的心房侧设置。
所述连接部件可被可松脱地与所述第一环形支撑件和第二环形支撑件相连,以在所述支撑件插入所述心脏瓣膜后将所述第一环形支撑件的端部与所述第二环形支撑件的端部断开。
这意味着,所述装置可与心脏瓣膜邻接,而没有任何部件延伸穿过心脏 瓣膜的开口。因此,该第一和第二支撑件可设置为分别邻接瓣膜组织,使得各支撑件可在一段时间后而长入瓣膜组织中。其结果是,所述装置在心脏瓣膜的开口中不会出现可导致血栓形成或组织过度生长的任何异质材料表面。
所述第一环形支撑件与所述第二环形支撑件可以是连续的,以形成盘绕状构件。这意味着,所述装置具有简单的设计,其包括单一的盘绕状部件,该部件可通过旋转所述盘绕状构件而容易地定位在心脏瓣膜中,使得环形支撑件被设置在瓣膜的相对侧上。
所述盘绕状构件的端部可被弯曲,使得该端部具有大于所述盘绕状构件其余部分的斜度。这在使用所述装置来处理心房瓣膜时特别有利。当旋转该盘绕状构件以定位所述装置时,进入心室的盘绕状构件引导端的较大斜度意味着,在插入过程中盘绕状构件被卡在腱中的风险降低。
所述第二支撑件可具有圆形的横截面。所述第一支撑件也可具有圆形的横截面。这意味着,被限制的瓣膜组织的呈现圆滑的边缘,从而进一步降低在小叶中出现破损的风险。
所述第一支撑件和所述第二支撑件可具有相同的形状,其中所述第二支撑件大于所述第一支撑件。这意味着,第一和第二支撑件之间的关系在整个瓣膜内是相当的。其结果是,在第一和第二支撑件之间的夹持在整个瓣膜内不变。
所述第一支撑件的外边界可大于所述第二支撑件的内边界。这意味着,所述支撑件略微重叠,从而使支撑件之间的夹持确实足够结实以保持心脏瓣膜的重塑形状。
优选所述第一支撑件的外边界对应于通过所述第二支撑件中心的曲线。
所述第一支撑件和所述第二支撑件优选为D形。这样的形状将会符合心房瓣膜环带的形状,并因而对于处理心房瓣膜特别有用。
所述第一支撑件和所述第二支撑件可各自具有由外层覆盖的内核,所述内核由比所述外层更硬的材料形成。所述内核可由金属材料形成,而所述外层可由织构材料形成。这意味着,支撑件的接触瓣膜组织的表面是柔软的, 以降低小叶破损的风险,而支撑件具有刚性形状,该刚性形状被保持以保留瓣膜的经过改变的形状。
可替代地,所述第一支撑件和所述第二支撑件可由形状记忆材料形成。这意味着,当被插入到适合位置时,支撑件可呈现所需的预定形状并保持该形状。
所述装置可进一步包括多个紧固件,当所述支撑件被放置在所述心脏瓣膜的相对侧上时,所述紧固件在所述第一支撑件与所述第二支撑件之间延伸。所述紧固件于是可用于固定所述支撑件的相对位置以及支撑件相对于瓣膜的位置。
所述第一支撑件和所述第二支撑件可包括容纳所述紧固件的孔,所述紧固件穿过该孔。因此,预定紧固件在支撑件中的定位以实现牢固的固定。
所述装置可进一步包括:在至少一个所述第一支撑件和所述第二支撑件上的可去除材料,用于在初始接合时,减少各支撑件与所述瓣膜组织之间的摩擦,所述材料当将所述装置紧固到所述瓣膜组织时可被去除以增加摩擦。所述可去除材料提供了减小的摩擦,这有利于引导支撑件与瓣膜组织邻接,当完全定位时,去除该可去除材料可提供增大的摩擦,以保持支撑件与瓣膜组织的相对位置。
所述第一支撑件和所述第二支撑件的相对表面可被粗糙化以利于与所述瓣膜组织接合。该相对表面可按照沿所述环的纵向方向延伸的方式被粗糙化。这意味着,粗糙化的表面将用于阻止所述组织滑动通过支撑件的夹持,同时使支撑件低摩擦地转至邻接瓣膜的位置。
根据本发明的第二方面,提供一种用于改善心脏瓣膜功能的成套工具,所述心脏瓣膜由瓣膜组织构成,并且包括环带和多个小叶。所述成套工具包括:第一环形支撑件,其被设置为邻接所述心脏瓣膜的第一侧;和第二环形支撑件,其被设置为邻接所述心脏瓣膜的与所述第一侧相反的第二侧,以使所述瓣膜组织的一部分限制在所述第一支撑件与所述第二支撑件之间。所述成套工具进一步包括至少一个紧固件,用于当所述第一支撑件和所述第二支 撑件与所述心脏瓣膜接合时连接所述第一支撑件与所述第二支撑件。
所述成套工具可用于进行环塑,以重新成形瓣膜环带,从而改善瓣膜的功能。所述成套工具包括定位在心脏瓣膜相对侧上的第一和第二环形支撑件,以及将支撑件相互连接和固定并将它们固定到瓣膜组织的紧固件。其结果是,瓣膜组织将被限制在支撑件之间以将瓣膜固定为所需形状。第一和第二环形支撑件为单独的实体,它们可被分别放置在心脏瓣膜的相对侧上。这意味着,尽管第一和第二支撑件在一段时间后长入瓣膜组织中,但所述成套工具在心脏瓣膜的开口中不会出现任何可导致血栓形成或组织过度生长的异质材料表面。
所述第一支撑件和第二支撑件可包括容纳构件,用于容纳所述至少一个紧固件。该容纳构件位于第一和第二支撑件上的位置将确定由紧固件固定的第一和第二支撑件之间的关系。
所述至少一个紧固件可被设置在所述第一支撑件上,所述第二支撑件可包括容纳构件,用于容纳所述至少一个紧固件。其结果是,所述成套工具由较少的部件构成,而紧固件可与第一支撑件一起引入病人体内。
所述至少一个紧固件可包括用于穿透瓣膜组织的尖锐突出物。这有利于将紧固件定位在病人体内,因为将紧固件推入瓣膜组织需要相对较小的力。
所述支撑件可由磁性材料形成,使得所述支撑件当被设置在所述心脏瓣膜的相对侧上时可受到磁场作用而相互吸引,从而将所述支撑件暂时固定在心脏瓣膜的相对侧上。以这种方式,所述支撑件的相互关系至少可暂时地固定,而不需使紧固件穿透瓣膜组织。因此,所述支撑件的位置可暂时固定,而该位置通过紧固件被紧固。
根据本发明的第三方面,提供一种用于改善心脏瓣膜功能的装置,所述心脏瓣膜由瓣膜组织构成,并且包括环带和多个小叶。所述装置包括:第一环形支撑件,其被设置为邻接所述心脏瓣膜的第一侧;第二环形支撑件,其被设置为邻接所述心脏瓣膜的与所述第一侧相反的第二侧,从而使所述瓣膜组织的一部分限制在所述第一支撑件与所述第二支撑件之间;以及连接部件, 用于将所述第一环形支撑件的端部与所述第二环形支撑件的端部相连,使得所述支撑件和所述连接部件形成盘绕状。
所述装置可用于进行环塑,也就是重新成形瓣膜环带,从而改善瓣膜的功能。所述装置包括定位在心脏瓣膜相对侧上的第一和第二环形支撑件,以及连接所述支撑件以形成盘绕状的连接部件。其结果是,盘绕状可被应用于心脏瓣膜小叶之间的连合处,并可旋转360°,使得一个环形支撑件插入该连合并沿瓣膜的一侧延伸,而另一环形支撑件沿瓣膜的相对侧设置。因此,瓣膜组织将被限制在支撑件之间以固定瓣膜的所需形状。
所述连接部件可以被可拆卸地连接到至少一个所述第一环形支撑件和所述第二环形支撑件上,用于在所述支撑件插入所述心脏瓣膜之后将所述第一环形支撑件的端部与所述第二环形支撑件的端部断开。
这意味着,所述装置可设置为邻接心脏瓣膜,而没有任何部件延伸穿过心脏瓣膜的开口。因此,第一和第二支撑件可分别被设置为邻接瓣膜组织,使得各支撑件可在一段时间后长入瓣膜组织中。其结果是,所述装置不会在心脏瓣膜的开口中呈现可导致血栓形成或组织过度生长的任何异质材料表面。
所述装置可进一步包括:可拆卸地与所述支撑件相连的输送器,该输送器用于将所述支撑件送至所述心脏瓣膜,其中所述连接部件与该输送器相连,使得当所述支撑件已与所述瓣膜组织接合后所述连接部件可与该输送器一起被拆除。其结果是,支撑件可通过旋转盘绕状构件而容易地应用于心脏瓣膜。在插入支撑件之后,连接部件可被移除,使得植入的装置不会在心脏瓣膜的开口中呈现任何可导致血栓形成或组织过度生长的异质材料表面。
附图说明
现在将通过参照各附图的实例来更详细地描述本发明。
图1示意性图示了以横截面显示其心脏的病人和被示意性显示为支撑二尖瓣瓣膜的本发明的装置。
图1A是左心室的剖面图,其以透视方式显示了二尖瓣瓣膜和本发明的装置。
图2是根据本发明实施例的装置的透视图。
图3是图2中的装置的剖面图。
图4a-图4b是在植入所述装置的环塑植入物的过程中本发明的二尖瓣瓣膜和所述装置的局部剖视透视图。
图5是显示了当所述植入器件已被转至适合位置时的本发明的装置的局部剖面透视图。
图6是显示了完成植入之后的所述装置的透视图。
图7是图6中被植入装置的剖面图。
图8是根据本发明另一实施例的装置的透视图。
图9是根据本发明进一步实施例的成套工具的透视图。
图10a是接合本发明装置的插入装置的输送器部分的侧视图。
图10b是所述插入装置的手柄部分的侧视图。
图10c是所述插入装置的输送器部分的侧视图,显示本发明的装置被松脱。
具体实施方式
图1图示了以横截面显示其心脏12的病人10,该心脏包括左心室14和右心室16。本发明的概念适于应用于例如将血液供给到左心室14中的二尖瓣瓣膜18。如图1A中更佳所示的二尖瓣瓣膜18包括:环带20,和选择性地允许和阻止血液流入左心室14中的一对小叶22和24。应当理解,术语瓣膜组织在参照各附图的本公开文件的全文中被广泛使用。当提到诸如环带组织、小叶组织或其他所连接的血管组织的任何瓣膜组织时,本发明的原理同样适用。小叶22和24被支撑以通过从各乳突状肌肉30和32向上延伸的腱26,28进行接合。血液通过二尖瓣瓣膜18进入左心室14,并在心脏12的随后的收缩过程中通过动脉瓣34被排出。应当理解,本发明也可应用于三尖瓣 心脏瓣膜。
根据本发明第一实施例的装置40显示于图2和图3中。该装置包括第一环形支撑件42和第二环形支撑件44。第一支撑件42与第二支撑件44是连续的,使得支撑件42和44呈现为采用具有两个环部的螺旋状或钥匙环型结构形式的盘绕状结构。任何适合的医用材料,例如医用金属或塑料,都可用于形成装置40。
第二支撑件的外边界大于第一支撑件的外边界。所述的支撑件具有对应的形状,第二支撑件大于第一支撑件。有利的是,在第一与第二支撑件之间形成瓣膜组织的夹持,这将在下文中参照图7来进行描述。第二支撑件的末端将在将所述装置插入瓣膜的过程中引导所述盘绕部,并具有大于所述盘绕部其余部分的斜度。这意味着,在旋转至瓣膜中适合位置的过程中,所述盘绕部的引导端将会从与瓣膜组织紧密接触变为突出,因此,减小了由于所述盘绕部被所述腱夹住的风险。
装置40以剖面形式被显示于图3中。该装置40具有圆形横截面。相对的表面46提供夹持以将瓣膜组织限制在其间。所述圆形横截面的优点还在于,形成了瓣膜组织的夹持,该夹持在正常的心脏工作过程中不会在小叶运动时伤害小叶,这将在下文中参照图7进一步描述。
装置40可由刚性材料的核形成,所述刚性材料例如为钛这样的金属或塑料。所述刚性材料可提供被动弹性功能,以使所述盘绕部的各环部可被迫使彼此分开一小段距离,但当所述力被释放时将朝向彼此回弯。装置40的核可被覆盖以较软层,例如织物。
装置40也可由形状记忆材料形成。例如当装置40被加热到特定温度时将呈现所希望的预设的形状。这使得装置40在插入的过程中可被压缩,并当插入心脏瓣膜时呈现螺旋状。
现参照图4-图7,将描述利用所述装置来修复心脏瓣膜的方法。首先,通过传统技术实现心脏瓣膜的进入,包括停止心脏跳动和打开胸部。在图4a中,显示了被插入二尖瓣瓣膜18中时的所述装置。装置40被承载于输送器 52上,输送器52与杆相连,以遥控该输送器52的定位。第二环形支撑件44的端部被引至在小叶22与24之间连合处的二尖瓣瓣膜18的开口,如图4b所示。所述端部被引导通过所述开口,该输送器52旋转360°。因此,第二支撑件44将旋转至在瓣膜18一侧上的适合位置,而第一支撑件42则被置于瓣膜18的相反侧上。如图5中所示,装置40被设置为以这种方式与瓣膜18相接合。
现参照图10a-图10c,将更详细地描述用于插入所述装置的插入装置70。插入装置70包括输送器72,该输送器被设置为将第一支撑件42和第二支撑件44的一部分分别容纳于槽74和76中,如图10a中所示。输送器72与杆78相连,以遥控支撑件42和44。臂80沿杆78设置并接合下支撑件44。杆78和臂80止于用于遥控的手柄82,如图10b中所示。支撑件42和44可通过将所述杆旋转360度而定位在瓣膜的相对侧上。臂80可向下移动以松脱下支撑件44,如图10c中所示。当臂80向下移动时,输送器72的位于槽74与76之间的中间部分82也向下移动以松脱上支撑件42。
支撑件42和44现在放置在瓣膜18的相对侧上,并将瓣膜组织夹紧在二者之间,以保持瓣膜18的形状。通过支撑环42和44的夹持,小叶22和24现在可被相向牵引,从而重塑瓣膜18的形状。所述小叶可利用镊子器件通过所述夹持被牵引。支撑件42和44可远离彼此弯曲,以使小叶22和24可通过所述夹持被相向牵引,以防止小叶22和24滑回。瓣膜环带20可按照这种方式进行重塑,新的形状通过支撑件42和44保持。支撑件42和44可具有粗糙的相对表面46,从而通过所述夹持,更好地防止小叶22和24滑动,并将瓣膜环带20保持为其重新成形的形式。
装置40现在可紧固到瓣膜18,以加强在支撑件42和44与瓣膜组织之间的相对位置固定。支撑件42和44可包括穿过相对支撑件的各孔54,以容纳单独的紧固件56。紧固件56可为具有或不具有螺纹的销,并可被推入适合位置,以延伸穿过在两个支撑件以及其间的瓣膜组织中的孔。该紧固件可具有直径大于孔54的端部58,使得紧固件56不会穿过孔54下落。以这种 方式,装置40被牢固连接到瓣膜18以将瓣膜环带20保持为其重新成形的形式,如图6a中所示。可以想到紧固件的多种可替代实施例。如图6a所示,紧固件56可具有直径可扩张的端部60,以在紧固件56被推过孔54之后将其紧固。或者,紧固件56′可具有弯曲部分60′,用于围绕其中一个支撑件夹紧,使得紧固件56′可延伸穿过一个支撑件中的孔54,并围绕另一支撑件,如图6b中所示。作为进一步的可替代方案,所述紧固件可以是可从至少一个支撑件延伸的夹具、缝合物或突出物,用于接合瓣膜组织。
如图7所示,第二支撑件44相对于第一支撑件42沿径向略微偏移。这意味着,第一支撑件42和第二支撑件44并未设置为上下相互正对。处于第一支撑件与第二支撑件之间的夹持因而并未沿着瓣膜的径向方向急剧地限定。这意味着,在所述支撑件之间的夹紧力并未集中到瓣膜的特定的径向位置。其结果是,夹紧力在心脏正常工作过程中不会影响小叶的运动,小叶在所述夹持处发生破损的风险降低。所述支撑件以这样的方式相互关联,即,第一支撑件42外边界的直径对应于通过第二支撑件44中心的线。因此,支撑件42和44略微重叠,通过所述夹持,使得所述组织无法移动,而且瓣膜的形状得以保持。进一步地,支撑件42和44的横截面为圆形,其同样在所述支撑件与瓣膜组织之间实现柔软接触,以进一步降低小叶破损的风险。
现在参照图8,描述了装置140的另一实施例。该装置140包括第一环形支撑件142和第二环形支撑件144,它们通过连接部件148彼此相连,以形成盘绕状。盘绕状的装置在插入过程中是有利的,因为该装置140可以如前所述地旋转至适合位置。然而,连接部件148可从至少一个支撑件拆离。这样,当装置140已被插入时,连接部件148可被拆离并从瓣膜开口移除。如果连接部件148仅可从一个支撑件分离,则其可沿另一支撑件设置以接触瓣膜组织,以致过度生长。然而,连接部件148优选地从两个支撑件均可拆离,因而其在装置140被插入之后可从病人体内移除。从瓣膜开口移除连接部件148意味着,装置140在心脏瓣膜的开口中不出现可导致任何血栓形成或组织过度生长的异质材料表面。连接部件148可以连接到插入装置,以使 其可在与支撑件分离之后容易地从病人体内移除。该装置140可优选地使用上述插入装置70进行插入。
现在参照图9,根据本发明进一步实施例的成套工具240将被描述。成套工具240包括第一环形支撑件242和第二环形支撑件244。环形支撑件242和244为单独的实体。其结果是,当支撑件242和244插入病人体内时,没有任何可导致血栓形成或组织过度生长的异质材料表面出现在心脏瓣膜的开口中。支撑件242和244可以由磁性材料形成或者包括磁性材料。因此,支撑件242和244可在插入过程中受到磁力作用以将所述支撑件暂时彼此相连。其结果是,支撑件242和244可如上所述地旋转至适合位置,同时磁力将会在瓣膜的相对侧使得支撑件242和244压向彼此。其中一个支撑件244优选为开口的,例如呈C形,使得支撑件244呈现一端部,以当支撑件244旋转至适合位置时引导支撑件244的运动。成套工具240进一步包括紧固件256,以使支撑件242和244的位置牢固。在支撑件的位置已被紧固之后,可以撤去磁力,而将支撑件留在病人体内。
应强调的是,在此所描述的优选实施例绝非限制性的,在由所附权利要求所限定的保护范围内可以采用多种可替代实施例。
例如,进入心脏瓣膜可通过内窥方式实现。在这种情况下,装置40需要通过细管(内窥镜)插入。这意味着,装置40在插入过程中需要被压缩以穿过内窥器。因此,如使用内窥方式,装置40应优选由形状记忆材料形成。这使得装置40可被压缩并且当应用于心脏瓣膜时也能具有稳定的形状。作为进一步的可替代方案,进入心脏瓣膜可通过导管实现,该导管通过血管系统进入心脏。在此情况下,支撑件可由形状记忆材料形成,其在插入过程中以可弯曲状态沿导管延伸,并当在心脏瓣膜处被推出导管时呈现出预加应力的盘绕状,以在相对侧上邻接心脏瓣膜。
可以想到的是,环形支撑件可以是多种不同的形状。例如,支撑件可以具有椭圆形、圆形或D形的形式。至少一个支撑件不需要旋转360°角,而是代之以例如C形或U形支撑件。
Claims (6)
1.一种用于改善心脏瓣膜功能的装置,所述心脏瓣膜由瓣膜组织构成,并且包括环带和多个小叶,所述装置包括:
第一环形支撑件,该第一环形支撑件被设置为邻接所述心脏瓣膜的第一侧;
第二环形支撑件,该第二环形支撑件被设置为邻接所述心脏瓣膜的与所述第一侧相反的第二侧,从而使所述瓣膜组织的一部分被限制在所述第一环形支撑件与所述第二环形支撑件之间,并且其中所述第一环形支撑件和所述第二环形支撑件由磁性材料构成,使得所述第一环形支撑件和所述第二环形支撑件当被设置在所述心脏瓣膜的相反侧上时可受到磁场作用,使所述第一环形支撑件和所述第二环形支撑件彼此相向吸引,从而将所述支撑件暂时固定在所述心脏瓣膜的相反侧上。
2.根据权利要求1所述的装置,其中所述第一环形支撑件和所述第二环形支撑件中的一个为开口的。
3.根据权利要求2所述的装置,其中所述第一环形支撑件和所述第二环形支撑件中的一个呈C形。
4.根据权利要求1所述的装置,其中所述第一环形支撑件和所述第二环形支撑件为单独的实体,并被设置为当被插入并接合瓣膜组织时进行连接。
5.根据权利要求1所述的装置,其中所述第一环形支撑件与所述第二环形支撑件是连续的,以形成盘绕状构件。
6.根据权利要求1所述的装置,其中所述第一环形支撑件和所述第二环形支撑件被设置为使得所述磁场使所述支撑件承受将所述支撑件压向彼此的磁力,其中所述磁力在所述第一环形支撑件和所述第二环形支撑件的位置已被紧固之后能转变到关断状态。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0500440-3 | 2005-02-28 | ||
SE0500440 | 2005-02-28 | ||
CN2006800063004A CN101340861B (zh) | 2005-02-28 | 2006-02-27 | 用于改善心脏瓣膜功能的装置和成套工具 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800063004A Division CN101340861B (zh) | 2005-02-28 | 2006-02-27 | 用于改善心脏瓣膜功能的装置和成套工具 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102247225A CN102247225A (zh) | 2011-11-23 |
CN102247225B true CN102247225B (zh) | 2015-07-22 |
Family
ID=40214731
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800063004A Expired - Fee Related CN101340861B (zh) | 2005-02-28 | 2006-02-27 | 用于改善心脏瓣膜功能的装置和成套工具 |
CN201110167120.7A Expired - Fee Related CN102247225B (zh) | 2005-02-28 | 2006-02-27 | 用于改善心脏瓣膜功能的装置和成套工具 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800063004A Expired - Fee Related CN101340861B (zh) | 2005-02-28 | 2006-02-27 | 用于改善心脏瓣膜功能的装置和成套工具 |
Country Status (5)
Country | Link |
---|---|
US (2) | US9180006B2 (zh) |
EP (2) | EP1853199B1 (zh) |
JP (2) | JP4740963B2 (zh) |
CN (2) | CN101340861B (zh) |
WO (1) | WO2006091163A1 (zh) |
Families Citing this family (90)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006091163A1 (en) * | 2005-02-28 | 2006-08-31 | Medtentia Ab | Devices and a kit for improving the function of a heart valve |
CN101257862B (zh) | 2005-09-07 | 2012-05-23 | 梅德坦提亚国际有限公司 | 用于改善心脏瓣膜功能的装置 |
SE530568C2 (sv) | 2006-11-13 | 2008-07-08 | Medtentia Ab | Anordning och metod för förbättring av funktionen hos en hjärtklaff |
FR2910269B1 (fr) | 2006-12-22 | 2009-02-27 | Corevalve Inc | Materiel de traitement d'une valve cardiaque,en particulier d'une valve mitrale |
FR2915087B1 (fr) * | 2007-04-20 | 2021-11-26 | Corevalve Inc | Implant de traitement d'une valve cardiaque, en particulier d'une valve mitrale, materiel inculant cet implant et materiel de mise en place de cet implant. |
EP2072027B1 (en) | 2007-12-21 | 2020-06-17 | Medtentia International Ltd Oy | pre-annuloplasty device and method |
SG155783A1 (en) * | 2008-03-12 | 2009-10-29 | Theodoros Kofidis | An improved device and method for implantation of a prosthesis |
US8430927B2 (en) | 2008-04-08 | 2013-04-30 | Medtronic, Inc. | Multiple orifice implantable heart valve and methods of implantation |
FR2930137B1 (fr) * | 2008-04-18 | 2010-04-23 | Corevalve Inc | Materiel de traitement d'une valve cardiaque, en particulier d'une valve mitrale. |
US8323335B2 (en) | 2008-06-20 | 2012-12-04 | Edwards Lifesciences Corporation | Retaining mechanisms for prosthetic valves and methods for using |
US8870950B2 (en) | 2009-12-08 | 2014-10-28 | Mitral Tech Ltd. | Rotation-based anchoring of an implant |
PL3335670T3 (pl) | 2010-03-05 | 2022-09-05 | Edwards Lifesciences Corporation | Mechanizmy ustalające do zastawek protetycznych |
US8579964B2 (en) | 2010-05-05 | 2013-11-12 | Neovasc Inc. | Transcatheter mitral valve prosthesis |
US8657872B2 (en) | 2010-07-19 | 2014-02-25 | Jacques Seguin | Cardiac valve repair system and methods of use |
US11653910B2 (en) | 2010-07-21 | 2023-05-23 | Cardiovalve Ltd. | Helical anchor implantation |
EP4098227A1 (en) | 2010-07-23 | 2022-12-07 | Edwards Lifesciences Corporation | Retaining mechanisms for prosthetic valves |
JP2014502859A (ja) * | 2010-11-18 | 2014-02-06 | パビリオン・メディカル・イノベーションズ・リミテッド・ライアビリティ・カンパニー | 組織拘束装置及び使用方法 |
US9198756B2 (en) | 2010-11-18 | 2015-12-01 | Pavilion Medical Innovations, Llc | Tissue restraining devices and methods of use |
EP2661239B1 (en) * | 2011-01-04 | 2019-04-10 | The Cleveland Clinic Foundation | Apparatus for treating a regurgitant heart valve |
US9554897B2 (en) | 2011-04-28 | 2017-01-31 | Neovasc Tiara Inc. | Methods and apparatus for engaging a valve prosthesis with tissue |
US9308087B2 (en) | 2011-04-28 | 2016-04-12 | Neovasc Tiara Inc. | Sequentially deployed transcatheter mitral valve prosthesis |
US9364326B2 (en) * | 2011-06-29 | 2016-06-14 | Mitralix Ltd. | Heart valve repair devices and methods |
EP2591755A1 (en) * | 2011-11-12 | 2013-05-15 | Medtentia International Ltd Oy | Device and method for improving fixation of a medical device |
EP2793751B1 (en) | 2011-12-21 | 2019-08-07 | The Trustees of The University of Pennsylvania | Platforms for mitral valve replacement |
US9078747B2 (en) | 2011-12-21 | 2015-07-14 | Edwards Lifesciences Corporation | Anchoring device for replacing or repairing a heart valve |
EP2620125B1 (en) | 2012-01-24 | 2017-10-11 | Medtentia International Ltd Oy | An arrangement, a loop-shaped support, a prosthetic heart valve and a method of repairing or replacing a native heart valve |
CN110403735A (zh) * | 2012-01-31 | 2019-11-05 | 米特拉尔维尔福科技有限责任公司 | 二尖瓣停放装置、系统和方法 |
US9345573B2 (en) | 2012-05-30 | 2016-05-24 | Neovasc Tiara Inc. | Methods and apparatus for loading a prosthesis onto a delivery system |
US9681952B2 (en) | 2013-01-24 | 2017-06-20 | Mitraltech Ltd. | Anchoring of prosthetic valve supports |
US9572665B2 (en) | 2013-04-04 | 2017-02-21 | Neovasc Tiara Inc. | Methods and apparatus for delivering a prosthetic valve to a beating heart |
WO2014207575A2 (en) * | 2013-06-14 | 2014-12-31 | Hazu Gmbh | Method and device for treatment of valve regurgitation |
BR112016002887B1 (pt) | 2013-08-12 | 2021-05-25 | Mitral Valve Technologies Sarl | sistema para substituição de uma válvula cardíaca nativa |
JP6328242B2 (ja) | 2013-08-14 | 2018-05-23 | マイトラル・ヴァルヴ・テクノロジーズ・エス・アー・エール・エル | 心臓弁置換のためのシステム |
US10195028B2 (en) | 2013-09-10 | 2019-02-05 | Edwards Lifesciences Corporation | Magnetic retaining mechanisms for prosthetic valves |
US9622863B2 (en) | 2013-11-22 | 2017-04-18 | Edwards Lifesciences Corporation | Aortic insufficiency repair device and method |
SG11201606836TA (en) | 2014-02-20 | 2016-09-29 | Mitral Valve Technologies Sarl | Coiled anchor for supporting prosthetic heart valve, prosthetic heart valve, and deployment device |
EP3782585B1 (en) | 2014-02-21 | 2023-06-28 | Mitral Valve Technologies Sàrl | Prosthetic mitral valve and anchoring device |
US9700412B2 (en) | 2014-06-26 | 2017-07-11 | Mitralix Ltd. | Heart valve repair devices for placement in ventricle and delivery systems for implanting heart valve repair devices |
WO2016001382A2 (en) * | 2014-07-02 | 2016-01-07 | Medtentia International Ltd Oy | Clip for a medical implant |
WO2016038017A1 (en) * | 2014-09-08 | 2016-03-17 | Medtentia International Ltd Oy | Annuloplasty implant |
US10016272B2 (en) | 2014-09-12 | 2018-07-10 | Mitral Valve Technologies Sarl | Mitral repair and replacement devices and methods |
CA3162308A1 (en) | 2015-02-05 | 2016-08-11 | Cardiovalve Ltd. | Prosthetic valve with axially-sliding frames |
US10231834B2 (en) | 2015-02-09 | 2019-03-19 | Edwards Lifesciences Corporation | Low profile transseptal catheter and implant system for minimally invasive valve procedure |
US10039637B2 (en) | 2015-02-11 | 2018-08-07 | Edwards Lifesciences Corporation | Heart valve docking devices and implanting methods |
US20160287383A1 (en) * | 2015-04-01 | 2016-10-06 | Edwards Lifesciences Corporation | Heart valve repair devices |
CA3009399A1 (en) | 2015-12-22 | 2017-06-29 | Medtentia International Ltd Oy | Medical securing device for securing a cardiac implant device with a securing member |
US11833034B2 (en) | 2016-01-13 | 2023-12-05 | Shifamed Holdings, Llc | Prosthetic cardiac valve devices, systems, and methods |
CA3011791C (en) * | 2016-01-22 | 2023-12-05 | Medtentia International Ltd Oy | Annuloplasty implant |
DE202017007326U1 (de) | 2016-01-29 | 2020-10-20 | Neovasc Tiara Inc. | Klappenprothese zum Verhindern einer Abflussobstruktion |
US10363130B2 (en) | 2016-02-05 | 2019-07-30 | Edwards Lifesciences Corporation | Devices and systems for docking a heart valve |
US10531866B2 (en) | 2016-02-16 | 2020-01-14 | Cardiovalve Ltd. | Techniques for providing a replacement valve and transseptal communication |
US10828150B2 (en) | 2016-07-08 | 2020-11-10 | Edwards Lifesciences Corporation | Docking station for heart valve prosthesis |
US10856975B2 (en) | 2016-08-10 | 2020-12-08 | Cardiovalve Ltd. | Prosthetic valve with concentric frames |
EP3284413B1 (en) | 2016-08-16 | 2019-12-18 | Medtentia International Ltd Oy | Medical securing device for securing a cardiac implant device with a securing member |
CR20190069A (es) | 2016-08-26 | 2019-05-14 | Edwards Lifesciences Corp | Valvulas y sistemas de acoplamiento de valvulas corazon |
US10722359B2 (en) | 2016-08-26 | 2020-07-28 | Edwards Lifesciences Corporation | Heart valve docking devices and systems |
US10357361B2 (en) | 2016-09-15 | 2019-07-23 | Edwards Lifesciences Corporation | Heart valve pinch devices and delivery systems |
EP3541462A4 (en) | 2016-11-21 | 2020-06-17 | Neovasc Tiara Inc. | METHODS AND SYSTEMS FOR RAPID RETRACTION OF A TRANSCATHETER HEART VALVE DELIVERY SYSTEM |
PL3554424T3 (pl) | 2016-12-16 | 2023-05-08 | Edwards Lifesciences Corporation | Systemy i narzędzia służące do rozkładania do doprowadzania urządzenia kotwiącego dla zastawki protetycznej |
US10813749B2 (en) | 2016-12-20 | 2020-10-27 | Edwards Lifesciences Corporation | Docking device made with 3D woven fabric |
EP3558165B1 (en) | 2016-12-20 | 2021-04-28 | Edwards Lifesciences Corporation | Systems and mechanisms for deploying a docking device for a replacement heart valve |
US10925597B2 (en) | 2016-12-29 | 2021-02-23 | Medtentia International Ltd Oy | Medical securing device for securing an object with a securing member |
EP3342355B1 (en) | 2016-12-29 | 2020-04-22 | Medtentia International Ltd Oy | Medical securing device for securing an object with a securing member |
US11013600B2 (en) | 2017-01-23 | 2021-05-25 | Edwards Lifesciences Corporation | Covered prosthetic heart valve |
US11654023B2 (en) | 2017-01-23 | 2023-05-23 | Edwards Lifesciences Corporation | Covered prosthetic heart valve |
US11185406B2 (en) | 2017-01-23 | 2021-11-30 | Edwards Lifesciences Corporation | Covered prosthetic heart valve |
USD867595S1 (en) | 2017-02-01 | 2019-11-19 | Edwards Lifesciences Corporation | Stent |
EP3395296B1 (en) | 2017-04-28 | 2019-12-18 | Medtentia International Ltd Oy | Annuloplasty implant |
US10842619B2 (en) | 2017-05-12 | 2020-11-24 | Edwards Lifesciences Corporation | Prosthetic heart valve docking assembly |
EP3417832A1 (en) | 2017-06-22 | 2018-12-26 | Medtentia International Ltd Oy | Medical securing device for securing an object with a securing member |
CN110996853B (zh) | 2017-06-30 | 2023-01-10 | 爱德华兹生命科学公司 | 经导管瓣膜的对接站 |
WO2019006332A1 (en) | 2017-06-30 | 2019-01-03 | Edwards Lifesciences Corporation | MECHANISMS FOR LOCKING AND RELEASE FOR TRANS-IMPLANTABLE DEVICES CATHETERS |
USD890333S1 (en) | 2017-08-21 | 2020-07-14 | Edwards Lifesciences Corporation | Heart valve docking coil |
WO2019036810A1 (en) | 2017-08-25 | 2019-02-28 | Neovasc Tiara Inc. | TRANSCATHETER MITRAL VALVULE PROSTHESIS WITH SEQUENTIAL DEPLOYMENT |
WO2019081777A1 (en) * | 2017-10-27 | 2019-05-02 | Medtentia International Ltd Oy | IMPLANT OF ANNULOPLASTY |
EP3476366B1 (en) * | 2017-10-27 | 2020-12-16 | Medtentia International Ltd Oy | Annuloplasty implant |
US20210052384A1 (en) | 2018-01-05 | 2021-02-25 | Medtentia International Ltd Oy | A medical fastening device |
WO2019135011A1 (en) * | 2018-01-08 | 2019-07-11 | Medtentia International Ltd Oy | Annuloplasty device |
US11285003B2 (en) | 2018-03-20 | 2022-03-29 | Medtronic Vascular, Inc. | Prolapse prevention device and methods of use thereof |
US11026791B2 (en) | 2018-03-20 | 2021-06-08 | Medtronic Vascular, Inc. | Flexible canopy valve repair systems and methods of use |
EP3572042A1 (en) * | 2018-05-21 | 2019-11-27 | Medtentia International Ltd Oy | Annuloplasty device |
WO2019223975A1 (en) * | 2018-05-21 | 2019-11-28 | Medtentia International Ltd Oy | Annuloplasty device |
JP2022504241A (ja) | 2018-10-05 | 2022-01-13 | シファメド・ホールディングス・エルエルシー | 人工心弁デバイス、システム、および方法 |
CA3118599A1 (en) | 2018-11-08 | 2020-05-14 | Neovasc Tiara Inc. | Ventricular deployment of a transcatheter mitral valve prosthesis |
WO2020191216A1 (en) | 2019-03-19 | 2020-09-24 | Shifamed Holdings, Llc | Prosthetic cardiac valve devices, systems, and methods |
EP3946163A4 (en) | 2019-04-01 | 2022-12-21 | Neovasc Tiara Inc. | ADJUSTABLE VALVE PROSTHESIS |
AU2020271896B2 (en) | 2019-04-10 | 2022-10-13 | Neovasc Tiara Inc. | Prosthetic valve with natural blood flow |
EP3972673A4 (en) | 2019-05-20 | 2023-06-07 | Neovasc Tiara Inc. | INTRODUCER DEVICE WITH HEMOSTASIS MECHANISM |
AU2020295566B2 (en) | 2019-06-20 | 2023-07-20 | Neovasc Tiara Inc. | Low profile prosthetic mitral valve |
US11857417B2 (en) | 2020-08-16 | 2024-01-02 | Trilio Medical Ltd. | Leaflet support |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1190879A (zh) * | 1995-07-17 | 1998-08-19 | 阿尔弗雷德·E·伍德 | 用于心脏瓣膜重建的支撑物 |
CN1440261A (zh) * | 2000-07-06 | 2003-09-03 | 梅德坦蒂亚公司 | 瓣环成形设备 |
Family Cites Families (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4042979A (en) * | 1976-07-12 | 1977-08-23 | Angell William W | Valvuloplasty ring and prosthetic method |
NZ228382A (en) * | 1989-03-17 | 1992-08-26 | Carter Holt Harvey Plastic Pro | Drug administering coil-like device for insertion in body cavity of animal |
US5290300A (en) * | 1989-07-31 | 1994-03-01 | Baxter International Inc. | Flexible suture guide and holder |
US5403305A (en) * | 1993-04-08 | 1995-04-04 | Carbomedics, Inc. | Mitral valve prosthesis rotator |
US6217610B1 (en) * | 1994-07-29 | 2001-04-17 | Edwards Lifesciences Corporation | Expandable annuloplasty ring |
EP0996393B1 (en) | 1997-07-22 | 2005-05-18 | Edwards Lifesciences Corporation | Expandable annuloplasty ring |
US6059827A (en) * | 1998-05-04 | 2000-05-09 | Axya Medical, Inc. | Sutureless cardiac valve prosthesis, and devices and methods for implanting them |
US6585767B1 (en) * | 1998-11-23 | 2003-07-01 | Agion Technologies, Inc. | Antimicrobial suturing ring for heart valve |
US6406492B1 (en) * | 1999-04-08 | 2002-06-18 | Sulzer Carbomedics Inc. | Annuloplasty ring holder |
US6258117B1 (en) * | 1999-04-15 | 2001-07-10 | Mayo Foundation For Medical Education And Research | Multi-section stent |
US6602289B1 (en) * | 1999-06-08 | 2003-08-05 | S&A Rings, Llc | Annuloplasty rings of particular use in surgery for the mitral valve |
US6217612B1 (en) * | 1999-09-10 | 2001-04-17 | Randall Woods | Intraocular lens implant having eye accommodating capabilities |
US6368348B1 (en) * | 2000-05-15 | 2002-04-09 | Shlomo Gabbay | Annuloplasty prosthesis for supporting an annulus of a heart valve |
US6869444B2 (en) * | 2000-05-22 | 2005-03-22 | Shlomo Gabbay | Low invasive implantable cardiac prosthesis and method for helping improve operation of a heart valve |
US6406493B1 (en) * | 2000-06-02 | 2002-06-18 | Hosheng Tu | Expandable annuloplasty ring and methods of use |
US6805711B2 (en) | 2000-06-02 | 2004-10-19 | 3F Therapeutics, Inc. | Expandable medical implant and percutaneous delivery |
US7077861B2 (en) * | 2000-07-06 | 2006-07-18 | Medtentia Ab | Annuloplasty instrument |
US6409758B2 (en) * | 2000-07-27 | 2002-06-25 | Edwards Lifesciences Corporation | Heart valve holder for constricting the valve commissures and methods of use |
US7527646B2 (en) * | 2000-09-20 | 2009-05-05 | Ample Medical, Inc. | Devices, systems, and methods for retaining a native heart valve leaflet |
US8784482B2 (en) * | 2000-09-20 | 2014-07-22 | Mvrx, Inc. | Method of reshaping a heart valve annulus using an intravascular device |
US6723038B1 (en) * | 2000-10-06 | 2004-04-20 | Myocor, Inc. | Methods and devices for improving mitral valve function |
WO2002041789A2 (en) * | 2000-11-21 | 2002-05-30 | Rex Medical, L.P. | Percutaneous aortic valve |
US20060069429A1 (en) * | 2001-04-24 | 2006-03-30 | Spence Paul A | Tissue fastening systems and methods utilizing magnetic guidance |
US6726716B2 (en) * | 2001-08-24 | 2004-04-27 | Edwards Lifesciences Corporation | Self-molding annuloplasty ring |
US6908482B2 (en) * | 2001-08-28 | 2005-06-21 | Edwards Lifesciences Corporation | Three-dimensional annuloplasty ring and template |
US6749630B2 (en) * | 2001-08-28 | 2004-06-15 | Edwards Lifesciences Corporation | Tricuspid ring and template |
DE60225303T2 (de) * | 2001-08-31 | 2009-02-26 | Mitral Interventions, Redwood City | Vorrichtung für eine herzklappenreperatur |
EP1434542A2 (en) * | 2001-10-01 | 2004-07-07 | Ample Medical, Inc. | Methods and devices for heart valve treatments |
US8348963B2 (en) * | 2002-07-03 | 2013-01-08 | Hlt, Inc. | Leaflet reinforcement for regurgitant valves |
US20040019357A1 (en) * | 2002-07-26 | 2004-01-29 | Campbell Louis A. | Annuloplasty ring holder |
EP1531762B1 (en) * | 2002-08-29 | 2010-04-14 | St. Jude Medical, Cardiology Division, Inc. | Implantable devices for controlling the internal circumference of an anatomic orifice or lumen |
EP2260882B1 (en) * | 2002-10-11 | 2020-03-04 | Boston Scientific Limited | Implantable medical devices |
US20050119735A1 (en) * | 2002-10-21 | 2005-06-02 | Spence Paul A. | Tissue fastening systems and methods utilizing magnetic guidance |
US8551162B2 (en) * | 2002-12-20 | 2013-10-08 | Medtronic, Inc. | Biologically implantable prosthesis |
WO2004089250A1 (en) | 2003-03-30 | 2004-10-21 | Fidel Realyvasquez | Apparatus and methods for valve repair |
US20040220593A1 (en) * | 2003-05-01 | 2004-11-04 | Secant Medical, Llc | Restraining clip for mitral valve repair |
WO2004103223A1 (en) * | 2003-05-20 | 2004-12-02 | The Cleveland Clinic Foundation | Apparatus and methods for repair of a cardiac valve |
ITBO20030631A1 (it) * | 2003-10-23 | 2005-04-24 | Roberto Erminio Parravicini | Apparecchiatura protesica valvolare, in particolare per applicazioni cardiache. |
US7186265B2 (en) * | 2003-12-10 | 2007-03-06 | Medtronic, Inc. | Prosthetic cardiac valves and systems and methods for implanting thereof |
US7377941B2 (en) * | 2004-06-29 | 2008-05-27 | Micardia Corporation | Adjustable cardiac valve implant with selective dimensional adjustment |
US7955385B2 (en) | 2005-02-28 | 2011-06-07 | Medtronic Vascular, Inc. | Device, system, and method for aiding valve annuloplasty |
WO2006091163A1 (en) | 2005-02-28 | 2006-08-31 | Medtentia Ab | Devices and a kit for improving the function of a heart valve |
CN101257862B (zh) | 2005-09-07 | 2012-05-23 | 梅德坦提亚国际有限公司 | 用于改善心脏瓣膜功能的装置 |
-
2006
- 2006-02-27 WO PCT/SE2006/000251 patent/WO2006091163A1/en active Application Filing
- 2006-02-27 US US11/885,116 patent/US9180006B2/en not_active Expired - Fee Related
- 2006-02-27 CN CN2006800063004A patent/CN101340861B/zh not_active Expired - Fee Related
- 2006-02-27 JP JP2007557970A patent/JP4740963B2/ja not_active Expired - Fee Related
- 2006-02-27 CN CN201110167120.7A patent/CN102247225B/zh not_active Expired - Fee Related
- 2006-02-27 EP EP06716940.9A patent/EP1853199B1/en not_active Not-in-force
- 2006-02-27 EP EP13162541.0A patent/EP2649964B1/en active Active
-
2010
- 2010-07-02 JP JP2010152066A patent/JP5390479B2/ja not_active Expired - Fee Related
- 2010-08-04 US US12/850,539 patent/US9526614B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1190879A (zh) * | 1995-07-17 | 1998-08-19 | 阿尔弗雷德·E·伍德 | 用于心脏瓣膜重建的支撑物 |
CN1440261A (zh) * | 2000-07-06 | 2003-09-03 | 梅德坦蒂亚公司 | 瓣环成形设备 |
Also Published As
Publication number | Publication date |
---|---|
JP2010253287A (ja) | 2010-11-11 |
JP5390479B2 (ja) | 2014-01-15 |
CN101340861A (zh) | 2009-01-07 |
EP1853199B1 (en) | 2014-10-29 |
CN101340861B (zh) | 2011-08-10 |
US9180006B2 (en) | 2015-11-10 |
WO2006091163A1 (en) | 2006-08-31 |
JP2008531185A (ja) | 2008-08-14 |
CN102247225A (zh) | 2011-11-23 |
EP2649964A1 (en) | 2013-10-16 |
US20100318183A1 (en) | 2010-12-16 |
US20080208330A1 (en) | 2008-08-28 |
EP1853199A1 (en) | 2007-11-14 |
JP4740963B2 (ja) | 2011-08-03 |
EP2649964B1 (en) | 2019-07-24 |
US9526614B2 (en) | 2016-12-27 |
EP1853199A4 (en) | 2010-07-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102247225B (zh) | 用于改善心脏瓣膜功能的装置和成套工具 | |
US10123872B2 (en) | Expandable annuloplasty ring and associated ring holder | |
US20200397580A1 (en) | Device and Method for Improving the Function of a Heart Valve | |
US8784479B2 (en) | Method of replacing native heart valve tissue | |
EP1418865B1 (en) | Self-moulding annuloplasty ring | |
EP2760375B1 (en) | Prosthetic mitral valve with ventricular tethers | |
AU778455B2 (en) | Mitral valve annuloplasty ring and method | |
CN102395331B (zh) | 用于可植入的固定设备的分离机构 | |
EP3793483A1 (en) | Methods and devices for heart valve repair | |
CN219354276U (zh) | 瓣膜的修复装置及系统 | |
US20240099835A1 (en) | Leaflets and leaflet separators for prosthetic valves |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20190227 |
|
CF01 | Termination of patent right due to non-payment of annual fee |