[특허]Intracoronary exchange apparatus and method

[미국특허] Intracoronary exchange apparatus and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/00
출원번호	US-0703603 (1991-05-21)
발명자 / 주소	Crittenden James F. (Hollis NH)
출원인 / 주소	C. R. Bard, Inc. (Murray Hill NJ 02)
인용정보	피인용 횟수 : 45 인용 특허 : 0

초록 ▼

An intracoronary sheath for use in catheter exchanges has an elongate tubular body with a proximally facing funnel at the proximal end of the sheath. A proximally extending wire for manipulating the sheath is attached to the proximal end of the sheath. The intracoronary sheath is advanced by manipulation of the wire over a first catheter positioned in a guide catheter and extends beyond the distal end of the guide catheter into the patient\s vascular system. After the first catheter is removed, a second catheter advanced through a guide catheter is guided by the funnel into the intracoronary sheath and through the vascular system to a desired position in the patient\s body. A second embodiment provides for the exchange of a second guidewire for a first guidewire. A first guidewire is positioned within a monorail-type catheter extending into the patient\s vascular system. The monorail type catheter is provided with a proximally facing funnel on a proximally facing opening leading into the lumen of the monorail catheter which receives the guidewire. After the first guidewire is removed, the second guidewire introduced. The funnel guides the guidewire into the proximally facing opening and then into the guidewire lumen of the monorail-type catheter.

대표청구항 ▼

An improved guidewire exchange apparatus for use in facilitating the substitution of a second guidewire for a first guidewire positioned within a monorail catheter, the monorail catheter having a guidewire lumen passage therethrough and a proximally-facing opening in the lumen passage adapted to receive a guidewire, the improvement comprising means associated with the proximally-facing opening for guiding the second guidewire into the lumen of the catheter while the proximally-facing opening is within a body lumen.

이 특허를 인용한 특허 (45) 인용/피인용 타임라인 분석

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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

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[미국특허] Intracoronary exchange apparatus and method 원문보기