High-water-containing elastomer medical catheter

Details High-water-containing elastomer medical catheter High-water-containing elastomer medical catheter

1997-08-22

1999-11-16

Nold, Charles

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 366, 428 357, 604264, 604265, 604280, 264185, 2642091, 26433115, B05B 300

Patent

active

059853948

ABSTRACT:
The present invention provides a process for preparing; a high water-containing elastomer medical catheter and a urinary catheter prepared by the process. The process comprises a) heating a mixture consisting of polyvinyl alcohol, water, sulfoxide and linear alkane, in a sealed vessel with agitating; b) pouring the resulting homogeneous fluid into a mould; c) solidifying the fluid by cooling; d) releasing the solidified fluid from the mould; and e) heat-treating the resulting medical catheter and washing with a polar organic solvent. The medical catheter and the urinary catheter of the present invention have excellent lubricity.

REFERENCES:
patent: 3066999 (1962-12-01), Nakajo et al.
patent: 5225120 (1993-07-01), Graiver et al.
patent: 5422050 (1995-06-01), Graiver et al.

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