Endoscope with a guide-wire for treatment instruments

Details Endoscope with a guide-wire for treatment instruments Endoscope with a guide-wire for treatment instruments

A - Human Necessities

61

B

A61B 1/00 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2572576

Provided is an endoscope which can keep a guide wire at a position even when an operator takes off the hand from a treatment instrument riser operation knob in an operation portion after rotating the treatment instrument riser operation knob and securing the guide wire at the position. The endoscope includes the treatment instrument riser which guides a distal end of a treatment instrument projected from a distal end opening provided in a treatment instrument insertion channel in the insertion portion to a desired position, a riser driving mechanism which rotatably fitted into an O-ring holding member provided in the operation portion covered by an outer packaging member and which drives the treatment instrument riser, a guide-wire securing unit which secures the guide wire that is projected from the distal end opening of the treatment instrument insertion channel in the insertion portion, an operation knob which operates the guide-wire securing unit, and an O-ring which secures the operation knob at a position where the operation knob is placed when the guide wire is secured.

Endoscope permettant de bloquer la position d~un fil-guide même si une main est retirée de la molette d~opération d~un socle de levage de dispositif de traitement, la position du dispositif le fil-guide étant bloquée par rotation de la molette d~opération du socle de levage de dispositif de traitement sur une partie opérationnelle. L~endoscope comporte un socle de levage de dispositif de traitement pour guider le bout d~un dispositif de traitement faisant saillie d~une partie d~ouverture de bout formée dans un canal afin d~insérer le dispositif de traitement de la partie d~insertion à une position spécifiée, un mécanisme d~entraînement de socle de levage entraînant le socle de levage du dispositif de traitement installé, de façon à pouvoir pivoter, à un organe tenant un joint torique monté dans la partie opérationnelle couverte par un organe externe, un moyen de blocage de fil-guide bloquant la position du fil-guide faisant saillie depuis la partie d~ouverture de bout formée dans le canal pour insérer le dispositif de traitement de la partie d~insertion, la molette d~opération opérant le moyen de blocage de fil-guide et un joint torique bloquant la position de la molette d~opération avec la position du fil-guide bloqué.

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