Patent ID: 7101378
Filing Date: 2006-09-05
Classification: A61B

Abstract:
1. A biotissue excision instrument comprising: an elongated sheath having an outer peripheral wall defining an inner cavity therein, and a slit formed in the outer peripheral wall, a loop wire which is inserted in the inner cavity and extending in an elongated direction of the sheath, the loop wire having two elongated portions and a tip bent portion which connects the elongated portions to each other, the elongated portions having separated distal end portions; an engaging member which detachably engages the tip bent portion of the loop wire to the sheath; and a manipulating member which is connected to the distal end of one of the elongated portions, and advances said one of the elongated portions to outwardly project a section of said one of the elongated portion in a loop shape through the slit when said tip bent portion of the loop wire is engaged with the engaging member, so that the loop shape section of the wire outwardly extended from the slit encloses a biotissue.