Disposable surgical instrument

Details Disposable surgical instrument Disposable surgical instrument

1994-09-14

1996-10-29

Apley, Richard J.

Surgery

Endoscope

Sterilizable

600162, 359510, A61B 104

Patent

active

055691633

ABSTRACT:
A surgical instrument includes at least one member fabricated with a material which is capable of deforming in the presence of a deforming agent such as water, organic solvent, air, heat, light, etc. Thus, a disposable surgical endoscope is provided wherein a lens mounting element for aligning a lens assembly of the endoscope with the other optical components of the instrument is fabricated from a polymer which deforms when exposed to, e.g., water or organic solvents. Deformation of the lens mounting element causes the lens assembly to shift out of optical alignment with the other optical components of the device, thereby disabling the instrument.

REFERENCES:
patent: 4955959 (1990-09-01), Tompkins et al.
patent: 4964710 (1990-10-01), Leiner
patent: 5281214 (1994-01-01), Wilkins et al.
patent: 5313935 (1994-05-01), Kortenbach et al.
patent: 5342396 (1994-08-01), Cook
POLYOX.RTM. Water-Soluble Resins Booklet, Union Carbide Chemicals and Plastics Company, Inc., 1988.

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