Hook forceps apparatus for industrial endoscopes
AssigneeOlympus Optical Co., Ltd.
InventorHiroshi Hasegawa
Life of this patent
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Abstract
A hook forceps apparatus for industrial endoscopes in which a hook stopper is connected to the tip of an elongated flexible shaft part and is provided with a fitting part, a male screw part having a self-tapping function is formed on the outer periphery of this fitting part and, on the other hand, a recess in which the above mentioned fitting part is fitted and a female screw is cut by the male screw part is provided on the base side of a hook part to be connected to this hook stopper and which is used as inserted through a channel in the industrial endoscope.
Claims13
A hook forceps apparatus for industrial endoscopes comprising:
- an elongated flexible forceps shaft part;
- a hook stopper connected to the tip of said shaft part;
- a fitting part provided on said hook stopper and having a male part with self-tapping screw threads formed on the outer periphery;
- and
- a hook part of a material softer than the material of said self-tapping threads of said fitting part for connection to said hook stopper and having on the base side a recess in which said self-tapping screw threaded male part of said fitting part is fitted and for receiving female screw cut by said male screw part fitted therein.
A hook forceps apparatus for industrial endoscopes comprising:
- an elongated flexible forceps shaft part;
- a hook stopper connected to the tip of said shaft part;
- a fitting part provided on said hook stopper and having a male screw part having a self-tapping function formed on the outer periphery;
- a hook part connected to said hook stopper and having on the base side a recess in which said fitting part is fitted and a female screw is cut by said male screw part;
- and
- a dropping mechanism formed in said hook part to drop the tip side when a tractive force larger than is fixed is applied.
Dependencies are inferred from the claim text.