[특허]Adjustable endolumenal implant for reshaping the mitral valve annulus

[미국특허] Adjustable endolumenal implant for reshaping the mitral valve annulus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-002/02 A61F-002/24
출원번호	US-0689467 (2017-08-29)
등록번호	US-9913706 (2018-03-13)
발명자 / 주소	Lashinski, Randall Rust, Matthew Macaulay, Patrick Daniels, Terry Wayne Kristoffersen, Kris
출원인 / 주소	Millipede, Inc.
대리인 / 주소	Knobbe Martens Olson & Bear LLP
인용정보	피인용 횟수 : 0 인용 특허 : 162

초록 ▼

Excessive dilation of the annulus of a mitral valve may lead to regurgitation of blood during ventricular contraction. This regurgitation may lead to a reduction in cardiac output. Disclosed are systems and methods relating to an implant configured for reshaping a mitral valve. The implant comprises a plurality of struts with anchors for tissue engagement. The implant is compressible to a first, reduced diameter for transluminal navigation and delivery to the left atrium of a heart. The implant may then expand to a second, enlarged diameter to embed its anchors to the tissue surrounding and/or including the mitral valve. The implant may then contract to a third, intermediate diameter, pulling the tissue radially inwardly, thereby reducing the mitral valve and lessening any of the associated symptoms including mitral regurgitation.

대표청구항 ▼

1. An implant for reshaping a heart valve annulus, comprising: a tubular body having a proximal end, a distal end, a central lumen and a longitudinal axis extending therethrough, the tubular body dimensioned for positioning within an atrium and attachment to tissue surrounding the heart valve;the tubular body comprising at least a first pair of adjacent struts joined at a proximally facing apex, and at least a second pair of adjacent struts joined at a distally facing apex;a plurality of distally facing anchors on the distal end of the tubular body, the anchors configured to embed into tissue surrounding the heart valve;a moveable restraint carried by the tubular body and configured to at least partially surround the first pair of adjacent struts, wherein the moveable restraint is axially movable relative to the proximally facing apex along the first pair of adjacent struts toward the distal end to decrease an angle between the first pair of adjacent struts; anda rotatable threaded member secured with the proximally facing apex, the rotatable threaded member extending through the moveable restraint, wherein rotation of the rotatable threaded member causes the moveable restraint to move axially along the first pair of adjacent struts. 2. The implant of claim 1, wherein the moveable restraint is moved along the pair of adjacent struts by sliding of the moveable restraint in response to rotation of the rotatable threaded member. 3. The implant of claim 1, wherein the plurality of anchors are helical-shaped anchors rotatably carried by the implant body, and wherein rotation of the anchors causes the anchors to extend distally relative to the tubular body to embed into the tissue surrounding the heart valve. 4. The implant of claim 1, further comprising a delivery mechanism comprising a rotational driver having a hook at a distal end and configured to transmit rotational motion to the rotatable threaded member to cause the moveable restraint to move axially along the first pair of adjacent struts. 5. The implant of claim 1, wherein the moveable restraint comprises an internally threaded member. 6. The implant of claim 1, wherein the rotatable threaded member is secured with the proximally facing apex via a retainer. 7. The implant of claim 1, wherein the moveable restraint further comprises a locking ring. 8. The implant of claim 1, wherein the moveable restraint comprises a nut. 9. The implant of claim 1, wherein the moveable restraint comprises a clip. 10. The implant of claim 1, wherein the moveable restraint is configured to reversibly adjust the tubular body radially within a working range. 11. The implant of claim 1, wherein the plurality of anchors comprises eight anchors. 12. The implant of claim 1, wherein the plurality of anchors each have a helical shape that engages the tissue by rotation of each anchor. 13. The implant of claim 1, wherein the plurality of anchors are configured to embed into tissue surrounding the heart valve by extending the anchors distally relative to the implant body. 14. The implant of claim 1, wherein the anchors are retractable. 15. The implant of claim 1, further comprising: a plurality of pairs of adjacent struts with each pair having an angle therebetween; anda plurality of the moveable restraints, with each moveable restraint at least partially surrounding a respective pair of the plurality of pairs of adjacent struts, wherein each moveable restraint can be moved along the respective pair of adjacent struts to change the angle between the respective pair of adjacent struts, thereby causing the tubular body to change in diameter. 16. The implant of claim 1, wherein the tubular body is further configured to operably couple to a replacement prosthetic heart valve.

이 특허에 인용된 특허 (162) 인용/피인용 타임라인 분석

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Srivastava, Rohit, Valve implanting device.
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Davidson James A. (Collierville TN) Daigle Kenneth P. (Olive Branch MS), Valvular annuloplasty rings of a biocompatible low elastic modulus titanium-niobium-zirconium alloy.
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McGuckin, Jr., James F.; Briganti, Richard T., Vascular device for valve leaflet apposition.
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Horan, Steven; Gilson, Paul; Keating, Karl; Goggin, Aidan; Henry, Jerome; O'Gorman, Jacqueline; Molloy, Shane, Vascular filter device.
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Quadri, Arshad; Ratz, J. Brent, Vascular implant.
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Quadri, Arshad; Ratz, J. Brent, Vascular implant and delivery system.
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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] Adjustable endolumenal implant for reshaping the mitral valve annulus 원문보기

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[미국특허] Adjustable endolumenal implant for reshaping the mitral valve annulus 원문보기

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대표청구항 ▼

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