Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-01-16
1987-03-31
Coven, Edward M.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 27, A61M 2500
Patent
active
046540369
ABSTRACT:
An elongated rod-shaped medical device has a weighted portion of greater density than adjacent portions thereof for providing useful weight in light medical devices. The weighted portion has a plurality of interfitting metallic weights with facing, engaging sliding surfaces to provide for high specific gravity and high bulk density in a yieldable small diameter device.
REFERENCES:
patent: 1736182 (1929-11-01), Wilkins
patent: 3421499 (1969-01-01), Bray et al.
patent: 3941119 (1976-03-01), Corrales
patent: 4052989 (1977-10-01), Kline
patent: 4410320 (1983-10-01), Dykstra
Coven Edward M.
Norwich-Eaton Pharmaceuticals, Inc.
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