Patent ID: 7331975
Filing Date: 2008-02-19
Classification: A61B

Abstract:
1. Basket forceps comprising: a slim sheath having a distal end and a proximal end; a handling wire having a distal end and a proximal end, and movably inserted in the sheath; a basket unit coupled to the distal end of the handling wire, the basket unit having a plurality of basket wires, each of the basket wires having front and rear ends, the front ends of the basket wires being bundled, the rear ends of the basket wires being also bundled, the basket wires thus providing a basket; a tip member secured to the bundled front end of the basket unit; a tubular basket-handling main unit coupled to the proximal end of the sheath and extending along an axis of the sheath; a basket handling unit coupled to the proximal end of the handling wire, the basket handling unit being slidable relative to the basket-handling main unit in a direction in which the handling wire is movable, the basket handling unit pushing and pulling the handling wire to move the basket unit between a receipt position in which the basket unit is received in the sheath, and an expanded position in which the basket unit is pushed out of the sheath and expanded in front of the sheath, the basket unit assuming the receipt position when the handling wire is pulled, and assuming the expanded position when the handling wire is pushed; and a guide wire insertion hole formed through the tip member and extending from a front opening provided on a front surface of the tip member to a side opening provided on an outer periphery of the tip member, wherein an axis of the side opening has an angle formed in a direction away from the axis of the basket.