[특허]Percutaneous tract measuring and forming device

Percutaneous tract measuring and forming device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-025/00
출원번호	US-0965219 (1992-10-23)
발명자 / 주소	Picha George J. (Independence OH) Nguyen Angela P. (Sagamore Hills OH) Gelbke Jim (Strongsville OH)
출원인 / 주소	Applied Medical Research, Inc. (Independence OH 02)
인용정보	피인용 횟수 : 83 인용 특허 : 0

초록 ▼

A surgical tool for use in initial placement of a gastrostomy device in a patient includes an obturator, a cannula and an outer flexible tubular member. A pointed end of the obturator and an adjacent dilator cooperate to incise a tract through the abdominal and stomach walls of the patient. The obturator is removed, leaving the cannula and outer tubular member in place. A deformable section of the flexible tubular member is expanded by movement of the cannula. The outwardly deformed section is then pulled up against the inner wall of the stomach wherein the thickness of the stomach and abdominal walls can be measured by use of visible scale indicia carried on the external surface of the flexible tubular member. Subsequent to the noted measurement, a guidewire or pull wire is passed through a lumen provided by the cannula. The guidewire is used for placing a gastrostomy device of suitable size in the incised tract.

대표청구항 ▼

A surgical tool for forming an incised tract and for measuring the tract so formed, comprising a handle means having first and second relatively movable handle sections, at least one of said first and second handle sections having a ring-shaped finger receiving portion,.said finger receiving portion providing bearing surfaces to facilitate movement of said first and second handle sections toward and away from one another, a cannula slidably movable with respect to the first handle section, an obturator slidably received by the cannula, a dilator secured to one end of the cannula and the second handle section being secured to an opposite end of the cannula, said dilator having a sharpened distal end of the obturator projecting out of a distal end thereof, said sharpened end of the obturator and said dilator cooperating to form the incised tract when forced into and through a body being operated upon, and a flexible tubular member generally covering at least a portion of the cannula and including an outwardly deformable section, said tubular member having a proximal end secured to the first handle section and a distal end secured to the dilator, wherein movement of the first handle section relative to the second handle section causes the deformable section of the tubular member to outwardly deform and thereby define a stop surface, said stop surface being adapted to engage a surface surrounding an inner terminal end of the tract being measured, wherein a portion of the tubular member projecting from an outer terminal end of the tract includes scale indicia which are used to determine the tract length.

이 특허를 인용한 특허 (83)

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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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Percutaneous tract measuring and forming device 원문보기

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Percutaneous tract measuring and forming device 원문보기

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