Syringe needle coated with polyorganosiloxanes

Details Syringe needle coated with polyorganosiloxanes Syringe needle coated with polyorganosiloxanes

1998-05-12

2000-01-18

Coggins, Wynn Wood

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604265, A61M 532

Patent

active

060153989

ABSTRACT:
A needle which has decreased piercing resistance, which resistance does not increase by repeated piercing and of which a sterilizing means is not limited, is provided by the present invention. The needle is coated on its outside surface with a mixture of (1) a polyorganosiloxane having amino groups at both terminal ends reacted with an alkoxysilane having epoxy groups and (2) a non-reactive polyorganosiloxane which has a lower average degree of polymerization of its siloxane part than that of polyorganosiloxane (1).

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patent: 5505997 (1996-04-01), Strong et al.
patent: 5786032 (1998-07-01), Hughes
patent: 5844058 (1998-12-01), Sugama

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