[특허]Balloon catheter having palpitatable discharge valve and retention collar

Balloon catheter having palpitatable discharge valve and retention collar 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-025/00
출원번호	US-0605435 (1996-02-22)
발명자 / 주소	Mikhail Adel A. Stobbs Gene E. Hashw Adel M. Johnson Shelley N.
출원인 / 주소	C V Dynamics, Inc.
대리인 / 주소	Moore & Hansen
인용정보	피인용 횟수 : 108 인용 특허 : 0

초록 ▼

An indwelling urinary catheter having a palpitatable multiaxial dome-type valve and an inflatable anchoring balloon. The valve has a peripheral trough to maximize drainage. The catheter body and balloon are integrally molded from silicone to produce a uniform and symmetrical balloon shape. The balloon shape may be selectively altered by varying bonding patterns or wall thicknesses. Valve openings traverse an arcuate pathway, and adjacent valve elements are separated by an intermediate rib to ensure a reliable closure. Valve elements are readily displaced by a drainage tube connector that engages the valve body. A collar on the catheter body moves axially along helical threads to adjust tension on the balloon.

대표청구항 ▼

[ What is claimed is:] [1.] In an indwelling urinary catheter for use by a patient to manage urinary incontinence or retention, the patient having a bladder communicating with a urethra, the urethra having a distal end portion including a rim of a urethral orifice surrounded by a surface area proximate the urethral orifice, the catheter having a catheter body defining both an exterior surface and a central lumen through which the urine can flow from the bladder when the catheter is inserted at least partially into the bladder and the urethra, and a discharge valve in fluid communication with the central lumen, the discharge valve having a valve body including a valve wall defining an interior region and an inner surface, the discharge valve further including a valve membrane having an upper surface and a lower surface, the valve membrane having a plurality of valve openings, each of the plurality of valve openings having both a closed and an open position, wherein the patient can selectively manipulate the valve such that at least one of said plurality of valve openings can (1) be opened from a closed position to allow urine to pass through the valve from the bladder and the central lumen, and (2) be closed from an open position to retain urine in the bladder and the central lumen, the valve membrane having a generally circular shape interconnected at its periphery to the interior surface of the valve wall, the improvement comprising:the valve membrane being dome-shaped in a convex center portion and having a trough encircling the convex center portion, wherein the upper surface of the valve membrane proximate the trough is further distally removed from proximal portions of the catheter body than the upper surface proximate the convex center portion, each of said plurality of valve openings being an elongated slit in the valve membrane which passes through both the upper and lower surfaces of the valve membrane;at least one of said plurality of valve openings having an arcuate shape, wherein the elongated slit passes from a first location proximate the trough on the upper surface, to a second location closer to an apex of the convex center portion relative to the first location, and then to a third location more removed from the apex of the convex center portion as compared to the second location, wherein the valve is multiaxial such that at least one of said plurality of valve openings can be manipulated by a patient from a closed position to an open position when the patient compresses opposite sides of the valve wall together when engaging the valve wall in a plurality of different locations on the outer surface of the valve wall.

이 특허를 인용한 특허 (108)

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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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연합인증

Balloon catheter having palpitatable discharge valve and retention collar 원문보기

초록 ▼

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연구과제 타임라인

이 특허를 인용한 특허 (108)

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Balloon catheter having palpitatable discharge valve and retention collar 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (108)

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