Patent ID: 7220227
Filing Date: 2007-05-22
Classification: A61B

Abstract:
1. A freely detachable adapter for an endoscope to be used with an endoscope that is provided with an endoscope control part, which an operator holds in hand and which carries out various operations, and an endoscope insertion part, one end of which is connected to the endoscope control part, and which is inserted into a body cavity from the other end side; and that is constructed so that a shaft of a treatment tool provided with a guide wire lumen is inserted from a forceps plug provided in the endoscope control part into a forceps channel of the endoscope insertion part, the shaft is to be guided by a guidewire passing through the guide wire lumen, and inserted to a desired position inside the body cavity; the adapter comprising: a locking device for attaching and detaching that attaches and locks the adapter for an endoscope onto a predefined position on the endoscope control part; and a first treatment tool locking device that keeps the treatment tool at a first predefined position wherein, at the first predefined position, a guidewire entry aperture of the treatment tool and an entry aperture of the forceps plug are separated in such a way as to face each other, and the guidewire extending from an inside of the guidewire entry aperture and the shaft extending from an inside of the entry aperture of the forceps plug are extended in an opposite direction, and are adjacent to each other.