US PATENT SUBCLASS 600 / 139
.~ Having flexible tube structure

Current as of: June, 1999
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600 /   HD   SURGERY

101  DF  ENDOSCOPE {29}
139.~ Having flexible tube structure {6}
140  DF  .~.~> Plural layers
141  DF  .~.~> Articulated segments {1}
143  DF  .~.~> Having shape memory retaining material component
144  DF  .~.~> With adjustable rigidity
145  DF  .~.~> With bend detecting means (e.g., endoscope tracking)
146  DF  .~.~> With bending control means {6}

DEFINITION

Classification: 600/139

Having flexible tube structure:

(under subclass 101) Subject matter wherein the tube-like structure is capable of being bent or flexed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206, for retractors having flexible or malleable structure.