Plastic optical fiber for in vivo use having a biocompatible pol

Details Plastic optical fiber for in vivo use having a biocompatible pol Plastic optical fiber for in vivo use having a biocompatible pol

1988-02-29

1989-09-19

Gonzalez, Frank

G02B 600

Patent

active

048675318

ABSTRACT:
The present invention pertains to a flexible organic polymeric optical fiber core having an adherent flexible organic polymeric cladding on the outer surface. More particularly, the invention relates to an organic polymeric optical fiber having a polysiloxane cladding for long term in vivo use in the tissue of a living mammal, preferably a human being. In addition to compatibility in live tissue and body fluids, such a fiber must be capable of repeatedly being deformed in a small bend radius without losing the ability to transmit light. The clad optical fibers are used to measure levels of components (e.g., pH, oxygen, carbon dioxide) in living, moving tissue such as the heart or lungs.

REFERENCES:
patent: 4317616 (1982-03-01), Clarke
patent: 4417782 (1983-11-01), Clarke et al.
patent: 4431264 (1984-02-01), Clarke
patent: 4505542 (1985-03-01), Clarke
patent: 4566755 (1986-01-01), Ohmori et al.

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