Flexible light guide, particularly for medical/dental use

Details Flexible light guide, particularly for medical/dental use Flexible light guide, particularly for medical/dental use

1975-02-03

1977-02-22

Moses, R. L.

Buckles, buttons, clasps, etc.

350 96R, F21V 902

Patent

active

040093824

ABSTRACT:
A flexible light guide of plastic tubing is filled with a liquid which does not wet the plastic material, and preferably also is hygroscopic. The plastic material of the tube is preferably Teflon, FEP, PFA or PTFE; the liquid, for example, is an inorganic solution, especially ionic solutions and alcohols, particularly water-like polyvalent alcohols, so that light rich in ultraviolet (UV) radiation will be transmitted essentially through the solution and not deteriorate the tubing, the non-wetting characteristics providing for a sharp interface between the liquid and the tubing.

REFERENCES:
patent: 3719462 (1973-03-01), Andreatch et al.
patent: 3770350 (1973-11-01), Stone et al.
patent: 3814497 (1974-06-01), Stone

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