Superelastic control wire sheath for flexible endoscope

Details Superelastic control wire sheath for flexible endoscope Superelastic control wire sheath for flexible endoscope

1997-06-25

1999-08-17

Smith, Jeffrey A.

Surgery

Endoscope

Having flexible tube structure

600143, 600149, A61B 504

Patent

active

059385880

ABSTRACT:
An endoscope comprising a handle and a flexible shaft connected to the handle. The flexible shaft has an active deflection section and a passive deflection section with a control wire support member therein. The endoscope also has a control wire connected to the active deflection section. A portion of the control wire is housed in the control wire support member. The control wire support member is made from a superelastic alloy material and is resiliently deflectable bending with the passive deflection section without permanent deformation or substantial fatigue over a working life of the endoscope.

REFERENCES:
patent: 3162214 (1964-12-01), Bazinet, Jr.
patent: 3572325 (1971-03-01), Bazell et al.
patent: 4580551 (1986-04-01), Siegmund et al.

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