Valves and valve actuation – Tube compressors – Pivoting tube contacting element
Patent
1990-05-25
1991-07-30
Schwadron, Martin P.
Valves and valve actuation
Tube compressors
Pivoting tube contacting element
604250, 251 4, F16L 5514
Patent
active
050353993
ABSTRACT:
Disclosed is an apparatus for occluding resilient tubing which effectively and conveniently occludes tubing without damage to the tubing, even after repeated clamping. Included in embodiments of the invention are a clamping structure and a protective sleeve formed from a resilient material which is interposed between the tubing to be occluded and the clamp. Also included are structures to prevent the application of the clamp immediately adjacent to the ends of the tubing. Moreover, the clamp can be applied at any one of a plurality of positions along the tube so that no one location along the length of the tube is subject to excessive fatigue. The protective sleeve and the clamp are joined together such that the clamp cannot be applied to the tube without the protective sleeve interposed therebetween. The embodiments of the present invention prevent damage to tubing, such as fragile silicone rubber tubing used in medical applications, even when subjected to repeated clampings.
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patent: 3942228 (1976-03-01), Buckman et al.
patent: 4560378 (1985-12-01), Weiland
patent: 4588160 (1986-05-01), Flynn et al.
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patent: 4623102 (1986-11-01), Hough, Jr.
patent: 4643389 (1987-02-01), Elson et al.
patent: 4673161 (1987-06-01), Flynn et al.
patent: 4802650 (1989-02-01), Stricker
patent: 4869457 (1989-09-01), Ewerlof
C.R. Bard Inc.
Lee Kevin L.
Schwadron Martin P.
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