[특허]Minimally invasive heart valve replacement

[미국특허] Minimally invasive heart valve replacement 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-002/24
출원번호	US-0907753 (2010-10-19)
등록번호	US7947075 (2011-05-09)
발명자 / 주소	Goetz, Wolfgang Lim, Hou-Sen
출원인 / 주소	Transcatheter Technologies GmbH
대리인 / 주소	Fitch, Even, Tabin & Flannery
인용정보	피인용 횟수 : 79 인용 특허 : 0

초록 ▼

A replacement valve for implantation centrally within the orifice of a malfunctioning native heart valve. The valve is designed for minimally invasive entry through an intercostal opening in the chest of a patient and an opening in the apex of the human heart. The replacement valve includes either a separate anchor (11, 87, 111) or a combined anchor (67) that folds around the malfunctioning native valve leaflets, sandwiching them in a manner so as to securely anchor the replacement valve in a precise, desired location.

대표청구항 ▼

The invention claimed is: 1. A minimally invasive implantable replacement heart valve, which valve comprises:a collapsible-expandable heart valve stent of generally tubular shape which includes proximal and distal rings and at least three spaced apart posts that extend axially between said rings,a valvular device comprising a plurality of flexible leaflets disposed interior of said stent, which leaflets open to permit blood flow in a downstream direction and close to prevent blood flow in an upstream direction therethrough, andanchoring means of shape-memory material which includes a plurality of distal linear arms and a plurality of proximal linear arms for sandwiching the native leaflets of a stenotic valve between said arms, said distal arms each having one free end and being designed to evert and wrap around the native leaflets, said proximal arms each having one free end and being constructed to swing radially outward at such free end toward said everted distal arms,said arms being spaced apart from one another and formed so as to permit them to be individually controlled in their sandwiching of the native leaflets by cords attached to said free ends.

이 특허를 인용한 특허 (79) 인용/피인용 타임라인 분석

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Quadri, Arshad; Ratz, J. Brent; Michiels, Robrecht, Replacement heart valve and method.
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Quadri, Arshad; Ratz, J. Brent, Replacement heart valves, delivery devices and methods.
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Ratz, J. Brent; Pesce, Luca; Rabito, Glen T.; Nguyen, Christine Thanh, Replacement mitral valve.
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Quadri, Arshad; Ratz, J. Brent; Michiels, Robrecht, Replacement valve and method.
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Hacohen, Gil, Rotation-based anchoring of an implant.
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Von Segesser, Ludwig K.; Delaloye, Stéphane, Stent-valves for valve replacement and associated methods and systems for surgery.
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Von Segesser, Ludwig K.; Delaloye, Stéphane, Stent-valves for valve replacement and associated methods and systems for surgery.
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Jimenez, Jorge H.; Greene, James L., Systems and methods for anchoring and sealing a prosthetic heart valve.
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Ganesan, Kavitha; Venkatasubramanian, Ramji T.; Forsberg, Andrew T.; Schweich, Jr., Cyril J.; Mortier, Todd J.; Martz, Erik O.; Krone, Douglas J., Systems and methods for heart valve therapy.
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Ganesan, Kavitha; Venkatasubramanian, Ramji; Forsberg, Andrew T.; Schweich, Jr., Cyril J.; Mortier, Todd J.; Martz, Erik O.; Krone, Douglas J., Systems and methods for heart valve therapy.
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Ganesan, Kavitha; Venkatasubramanian, Ramji; Forsberg, Andrew T.; Schweich, Jr., Cyril J.; Mortier, Todd J.; Martz, Erik O.; Krone, Douglas J., Systems and methods for heart valve therapy.
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Gross, Yossi; Hacohen, Gil; Miller, Eran; Zipory, Yuval, Techniques for percutaneous mitral valve replacement and sealing.
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Gross, Yossi; Hacohen, Gil; Miller, Eran; Zipory, Yuval; Reich, Tal, Techniques for percutaneous mitral valve replacement and sealing.
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Gross, Yossi; Hacohen, Gil; Miller, Eran; Zipory, Yuval; Reich, Tal; Kutzik, Meir, Techniques for percutaneous mitral valve replacement and sealing.
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Gross, Yossi; Hacohen, Gil; Miller, Eran; Zipory, Yuval; Reich, Tal; Kutzik, Meir; Neeman, Rotem, Techniques for percutaneous mitral valve replacement and sealing.
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Hacohen, Gil; Gross, Yossi; Miller, Eran; Zipory, Yuval; Reich, Tal, Techniques for percutaneous mitral valve replacement and sealing.
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Quadri, Arshad; Ratz, J. Brent, Vascular implant.
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Quadri, Arshad; Ratz, J. Brent, Vascular implant and delivery method.
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Quadri, Arshad; Ratz, J. Brent, Vascular implant and delivery system.
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Quadri, Arshad; Ratz, J. Brent, Vascular implant and delivery system.
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Quadri, Arshad; Ratz, J. Brent, Vascular implant and delivery system.
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[미국특허] Minimally invasive heart valve replacement 원문보기