Endoscope with resilient deflectable section

Details Endoscope with resilient deflectable section Endoscope with resilient deflectable section

1997-05-12

1999-02-23

Flanagan, Beverly M.

Surgery

Endoscope

Having flexible tube structure

600151, A61B 100

Patent

active

058738177

ABSTRACT:
I An endoscope having a deflection control and a shaft connected to the deflection control. The shaft has a deflectable section operably connected to the deflection control by drive cables. The deflectable section comprises rigid rings and flexible connection members connecting the rings to each other. The connection members are comprised of a superelastic shape memory alloy. The connection members retain the deflectable section in a predetermined shape. The connection members can be resiliently bent to bend the deflectable section without permanent deformation of the connection member over a working life of the endoscope.

REFERENCES:
patent: 3270641 (1966-09-01), Gosselin
patent: 3557780 (1971-01-01), Sato
patent: 3799151 (1974-03-01), Fukaumi et al.
patent: 4790294 (1988-12-01), Allred, III et al.
patent: 4873965 (1989-10-01), Danieli
patent: 5005558 (1991-04-01), Aomori
patent: 5105819 (1992-04-01), Wollschlager et al.
patent: 5220911 (1993-06-01), Tamura
patent: 5271381 (1993-12-01), Ailinger et al.
English Language translation of Japanese Patent No. 63-136014 dated Jun. 8, 1988 19 pages.

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