[특허]Self-actuating sealing portions for paravalvular leak protection

[미국특허] Self-actuating sealing portions for paravalvular leak protection 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-002/24
출원번호	US-0797418 (2013-03-12)
등록번호	US-9398951 (2016-07-26)
발명자 / 주소	Alkhatib, Yousef F. Eidenschink, Tracee
출원인 / 주소	St. Jude Medical, Cardiology Division, Inc.
대리인 / 주소	Lerner, David, Littenberg, Krumholz & Mentlik, LLP
인용정보	피인용 횟수 : 4 인용 특허 : 153

초록 ▼

A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent having a proximal end and a distal end, and a valve assembly including a plurality of leaflets, the valve assembly being disposed within the stent. The heart valve further includes a plurality of elongated legs each with a first end coupled to the stent and a free end, the elongated legs being configured to transition from an extended configuration to a relaxed configuration. A sealing portion connected to the plurality of legs forms a sealing structure when the legs transition to the relaxed configuration to reduce perivalvular leakage between the implanted valve and surrounding tissue.

대표청구항 ▼

1. A prosthetic heart valve for replacing a native valve, comprising: a collapsible and expandable stent having a proximal end and a distal end;a plurality of elongated legs, each of the legs having a first end coupled to the stent and a second free end, the legs being configured to transition from an extended configuration to a relaxed configuration;a valve assembly disposed within the stent, the valve assembly including a plurality of leaflets and a cuff disposed on a portion of the stent and about the plurality of leaflets; anda sealing portion connected to the plurality of legs, the sealing portion forming a sealing structure upon the transition of the plurality of legs from the extended configuration to the relaxed configuration;wherein the sealing portion includes a toroidal sealing ring coupled to the plurality of legs, the toroidal sealing ring being configured to move from a first position spaced away from the proximal end of the stent to a second position at least partially disposed over the valve assembly upon the transition of the plurality of legs from the extended configuration to the relaxed configuration. 2. The prosthetic heart valve of claim 1, wherein each of the plurality of legs is substantially linear in the extended configuration. 3. The prosthetic heart valve of claim 1, wherein each of the plurality of legs is curled in the relaxed configuration. 4. The prosthetic heart valve of claim 3, wherein the sealing portion curls to form a sealing ring when the plurality of legs transition from the extended configuration to the relaxed configuration. 5. The prosthetic heart valve of claim 4, wherein the sealing ring is configured and arranged to be disposed below native leaflets of the native valve. 6. The prosthetic heart valve of claim 4, wherein the sealing ring is configured and arranged to be disposed within native leaflets of the native valve. 7. The prosthetic heart valve of claim 4, wherein the sealing ring is configured and arranged to be disposed above native leaflets of the native valve. 8. The prosthetic heart valve of claim 1, wherein the plurality of legs are coupled to the proximal end of the stent and the free ends of the legs extend toward the distal end of the stent in the extended configuration. 9. The prosthetic heart valve of claim 1, wherein the plurality of legs are coupled to the proximal end of the stent and the free ends of the legs extend away from the distal end of the stent in the extended configuration. 10. The prosthetic heart valve of claim 1, wherein the sealing portion includes at least one of a metallic mesh or a shape-memory material. 11. The prosthetic heart valve of claim 1, wherein the plurality of legs are arranged in pairs of legs, each pair of legs being coupled to the stent at a common attachment end. 12. The prosthetic heart valve of claim 1, wherein the plurality of legs billow radially outwardly in the relaxed configuration. 13. The prosthetic heart valve of claim 12, wherein the stent includes an annulus portion having a deployed diameter and the sealing portion forms a distended portion having an expanded diameter when the plurality of legs billow radially outwardly in the relaxed configuration, the expanded diameter being larger than the deployed diameter. 14. The prosthetic heart valve of claim 1, wherein the cuff and the sealing portion are both formed of a fluid-impermeable material. 15. The prosthetic heart valve of claim 1, wherein the plurality of leaflets and the cuff are formed of a same material. 16. A prosthetic heart valve for replacing a native valve, comprising: a collapsible and expandable stent having a proximal end and a distal end;a plurality of elongated legs, each of the legs having a first end coupled to the stent and a second free end, the legs being configured to transition from an extended configuration to a relaxed configuration;a valve assembly disposed within the stent, the valve assembly including a plurality of leaflets and a cuff disposed on a portion of the stent and about the plurality of leaflets; anda sealing portion connected to the plurality of legs, the sealing portion forming a sealing structure upon the transition of the plurality of legs from the extended configuration to the relaxed configuration,wherein the sealing portion includes a toroidal sealing ring that is spaced from the stent when the plurality of legs are in the extended configuration. 17. The prosthetic heart valve of claim 1, wherein the cuff and the sealing portion are unitary.

이 특허에 인용된 특허 (153) 인용/피인용 타임라인 분석

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이 특허를 인용한 특허 (4) 인용/피인용 타임라인 분석

Kovalsky, Igor; Garde, Kshitija; Lo, Pham; Quill, Jason; Savage, Padraig, Heart valve prosthesis.
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Quill, Jason; Kovalsky, Igor, Heart valve prosthesis.
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Behan, Niall, Luminal prosthesis and implant device.
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Alkhatib, Yousef F.; Eidenschink, Tracee; Khouengboua, Sounthara, Self-actuating sealing portions for a paravalvular leak protection.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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[미국특허] Self-actuating sealing portions for paravalvular leak protection 원문보기

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[미국특허] Self-actuating sealing portions for paravalvular leak protection 원문보기

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이 특허에 인용된 특허 (153) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (4) 인용/피인용 타임라인 분석

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