A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
128/2
A61B 1/00 (2006.01) A61B 1/005 (2006.01) A61F 2/00 (2006.01) G02B 6/35 (2006.01)
Patent
CA 1307177
S02-48306M/KPO/88 ABSTRACT OF THE DISCLOSURE A mechanism for bending an elongated body such as the tube of an endoscope without the use of electric elements, thereby eliminating a shock hazard. A shape-memorizing alloy is inserted into the elongated body at portions to be bent. In some embodiments, heat for causing the shape-memorizing alloy and hence the elongated body to bend is produced by light carried by an optical fiber, while in other embodiments frictional heat produced by a mechanism vibrator is employed. In some embodiments using light, a shutter arrangement is added to control the heating of the shape-memorizing alloy.
558354
Hayashi Kazuhiko
Kanda Masahiko
Maeda Nao-Omi
Sogawa Ichiro
Yotsuya Koro
Riches Mckenzie & Herbert Llp
Sumitomo Electric Industries Ltd.
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