Medical device and production thereof

Details Medical device and production thereof Medical device and production thereof

1998-12-02

2000-05-23

Coggins, Wynn Wood

Surgery

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

Treating material introduced into or removed from body...

4284231, 427336, A61M 532

Patent

active

060661186

ABSTRACT:
A medical device having good surface lubricity in the wet condition, high frictional durability and surface lubricity stability includes a body and a smoothing or lublicating coating on a surface of the body. The coating is produced by applying a solution of a mixture of maleic anhydride high polymer and polyurethane having allophanate bond on a surface of the body, insolubilizing the resultant coating by heating, and then hydrophilizing the coating with a hydrophilizing agent such as ammonia, amine or alcohol.

REFERENCES:
patent: 4943460 (1990-07-01), Markle et al.
patent: 5001009 (1991-03-01), Whitbourne
patent: 5229211 (1993-07-01), Murayama et al.
patent: 5576072 (1996-11-01), Hosteller et al.
patent: 5662960 (1997-09-01), Hosteller et al.

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