[특허]Cardiac valve procedure methods and devices

[미국특허] Cardiac valve procedure methods and devices 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-002/24
출원번호	US-0787057 (2004-02-25)
등록번호	US-7470284 (2008-12-30)
발명자 / 주소	Lambrecht,Gregory H. Liddicoat,John Moore,Robert Kevin
출원인 / 주소	Medtronic, Inc.
대리인 / 주소	Kagan Binder, PLLC
인용정보	피인용 횟수 : 123 인용 특허 : 69

초록 ▼

The present invention discloses devices and methods for performing intravascular procedures with out cardiac bypass. The devices include various embodiments of temporary filter devices, temporary valves, and prosthetic valves. The temporary filter devices have one or more cannulae which provide access for surgical tools for effecting repair of the cardiac valves. A cannula may have filters of various configurations encircling the distal region of the cannula, which prevent embolitic material from entering the coronary arteries and aorta. The temporary valve devices may also have one or more cannulae which guide the insertion of the valve into the aorta. The valve devices expand in the aorta to occupy the entire flow path of the vessel. In one embodiment, the temporary valve is a disc of flexible, porous, material that acts to filter blood passing therethrough. A set of valve leaflets extend peripherally from the disc. [These leaflets can alternately collapse to prevent blood flow through the valve and extend to permit flow. The prosthetic valves include valve fixation devices which secure the prosthetic valve to the wall of the vessel. In one embodiment, the prosthetic valves have at least one substantially rigid strut, at least two expandable fixation rings located about the circumference of the base of the apex of the valve, and one or more commissures and leaflets. The prosthetic valves are introduced into the vascular system a compressed state, advanced to the site of implantation, expanded and secured to the vessel wall.]

대표청구항 ▼

The invention claimed is: 1. A method for performing an operation on a cardiac valve of a heart while the heart is beating, comprising the steps of: a) positioning a first valve as a temporary valve in a flow path of a blood vessel without affixing the temporary valve to the blood vessel and positioned downstream from said cardiac valve, said temporary valve being operative to effect greater antegrade flow than retrograde flow through said vessel; b) resecting at least a portion of the cardiac valve; and c) affixing a second valve as a prosthetic valve at or downstream from said resected cardiac valve; and d) removing the temporary valve from the flow path. 2. A method for enabling performance of an operation on a cardiac valve of a heart while the heart is beating, comprising the steps of: a) placing at least one temporary valve in a flow path of blood vessel without affixing the temporary valve to the blood vessel, said temporary valve being operative to effect greater antegrade flow than retrograde flow through said vessel; b) placing at least one temporary filter in said flowpath downstream from said cardiac valve, said filter being operative to restrict the passage of emboli while allowing blood to flow through said vessel c) resecting or disrupting at least a portion of the cardiac valve; and d) removing the temporary valve from the flow oath. 3. A method for performing an operation on a cardiac valve of a heart while the heart is beating, comprising the steps of: a) positioning a first valve as a temporary valve in a flow path of blood without affixing the temporary valve to the blood vessel, said temporary valve being operative to effect greater antegrade flow than retrograde flow; b) resecting or disrupting at least a portion of the cardiac valve; and c) affixing a second valve as a prosthetic valve at, upstream or downstream from said resected cardiac valve; and d) removing the temporary valve from the flow path.

이 특허에 인용된 특허 (69) 인용/피인용 타임라인 분석

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Tabor, Charles; Eberhardt, Carol E.; Laske, Timothy G.; Ryan, Timothy R.; Morrow, Joseph C.; Tam, Tammy Y.; Glynn, Brian A.; Brody Rubin, Anne L.; Tuchek, J. Michael, Stents for prosthetic heart valves.
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Holecek, Arin N.; Majkrzak, Carolyn; Eberhardt, Carol E.; Millwee, Billie J.; Nguyen, Thao M.; Shay, Janice L.; Chiu, Cynthia H.; Kupumbati, Tara S., Tissue attachment devices and methods for prosthetic heart valves.
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Quill, Jason; Clague, Cynthia T.; Rothstein, Paul T., Transcatheter valve with torsion spring fixation and related systems and methods.
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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] Cardiac valve procedure methods and devices 원문보기

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