Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1983-12-05
1986-04-01
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604266, A61M 2700
Patent
active
045795550
ABSTRACT:
A surgical gravity drain includes biologically inert medical grade silicone rubber extruded to generally parallel longitudinally extending planar surfaces having transversely aligned and longitudinally extending capillary drainage channels. A ribbon of silicone rubber including integrally formed longitudinally extending and laterally spaced ribs defining transversely aligned capillary drainage channels on external ribbon surfaces is disclosed in one embodiment; and a flattened tube of silicone rubber including integrally formed longitudinally extending and laterally spaced ribs defining transversely aligned capillary drainage channels on internal and external tube surfaces is disclosed in a further embodiment. The novel drain of the present invention is substantially clogging-free, collapse-proof, and provides effective long term in situ drainage.
REFERENCES:
patent: 2134152 (1938-10-01), Schwarzmayr
patent: 3860008 (1975-01-01), Miner et al.
patent: 3957054 (1976-05-01), McFarlane
patent: 4257422 (1981-03-01), Duncan
patent: 4398910 (1983-08-01), Blake
Pellegrino Stephen C.
SIL-FAB Corporation
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