Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1976-01-02
1978-07-04
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
260 4251, 260 4253, 260 4254, 521 65, 521905, C08J 930
Patent
active
040987280
ABSTRACT:
A uniformly expandable hydrophilic sponge, adapted for medical usage, characterized by instantaneous wicking and a high liquid holding capacity comprising a reaction product of polyvinyl alcohol and formaldehyde. The wicking and liquid holding capacity is attained by controlling the time, temperature and processing conditions while forming and curing the reaction product in an aqueous medium. The sponge is rendered uniformly expandable by drying the wet sponge while maintaining the shape of the wet sponge. The sponge can be made X-ray opaque by incorporating, homogeneously, throughout an encapsulated radiopaque substance with the formaldehyde and polyvinyl alcohol. The sponge is biocompatible, non-toxic, lint free, compressible, resilient, strong, non-abrasive, free of foreign leachable materials and is of exceptionally high fluid holding capacity.
REFERENCES:
patent: 2609347 (1952-09-01), Wilson
patent: 2653917 (1953-09-01), Hammon
patent: 2664366 (1953-12-01), Wilson
patent: 2664367 (1953-12-01), Wilson
patent: 2846407 (1958-08-01), Wilson
patent: 3663470 (1972-05-01), Nishimura et al.
patent: 3737398 (1973-06-01), Yamaguchi
LandOfFree
Medical surgical sponge and method of making same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Medical surgical sponge and method of making same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Medical surgical sponge and method of making same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-276880