Endoscope snare
AssigneeOlympus Corporation
InventorsNoriaki YAMANAKA, Noriko KOHIRA, Yuji SAKAI, Seiji IWASAKI
Life of this patent
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Abstract
An endoscope snare includes a sheath, a support wire inserted into the sheath and movable advance and retraction in the sheath along an axis, a loop-shaped conductive wire connected to a distal end of the support wire, and a pressing wire inserted into the sheath, connected to the conductive wire at a position different from that of the support wire, and movable advance and retraction in the sheath independently of the support wire. The pressing wire may have a plurality of wires, and may be connected to at least the conductive wire at two points of the support wire between which the axis is interposed.
Claims11
An endoscope snare comprising:
- a sheath;
- a support wire inserted into the sheath and movable advance and retraction in the sheath along an axis;
- a loop-shaped conductive wire connected to a distal end of the support wire;
- and
- a pressing wire inserted into the sheath, connected to the conductive wire at a position different from that of the support wire, movable advance and retraction in the sheath independently of the support wire, and capable of biasing the conductive wire in a direction intersecting a plane direction of the conductive wire.
Dependencies are inferred from the claim text.