Method and apparatus for providing depth control or z-actuation

Details Method and apparatus for providing depth control or z-actuation Method and apparatus for providing depth control or z-actuation

2007-11-13

2007-11-13

Dvorak, Linda C. M. (Department: 3739)

Surgery

Endoscope

Having flexible tube structure

C600S160000, C600S161000, C600S163000, C600S167000, C600S168000, C600S173000, C385S117000, C385S119000

Reexamination Certificate

active

10822718

ABSTRACT:
A position control apparatus for controlling position along an axis, comprising: an extensible member that can be extended and contracted along said axis, comprising shape memory alloy locatable to expand and contract along said axis, heating means for controlling said temperature of said shape memory alloy, and a feedback mechanism for controlling said heating means and responsive to variations in said position, wherein said position is controllable by means of said heating means and can be stabilized by means of said feedback mechanism.

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patent: 6217510 (2001-04-01), Ozawa et al.
patent: 6641530 (2003-11-01), Mitsumori
patent: 00/75712 (2000-12-01), None

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