Process of making a surgical sponge containing an x-ray contrast

Details Process of making a surgical sponge containing an x-ray contrast Process of making a surgical sponge containing an x-ray contrast

1988-09-02

1990-07-03

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264101, 264156, 264171, 2641771, 264236, 604362, 604365, 604374, B29C 3508, B29C 4706, B32B 2302, B32B 2304

Patent

active

049389017

ABSTRACT:
Disclosed is a process for producing a surgical sponge which contains contrast agent embedded in a polymer matrix in proportions of up to 70 wt. %. The matrix consists of a polymer material free of plasticizers. In the process for the production of the sponge a matrix for the contrast agent is used, which is an uncrosslinked, viscous liquid, prepolymer state until after it has been extruded onto the basic fleece material, and not until a process step that then follows is the polymerization completed.

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patent: 4645499 (1987-02-01), Rupinskas
patent: 4718897 (1988-01-01), Elves

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