Patent ID: 6705989
Filing Date: 2004-03-16
Classification: A61B

Abstract:
Retractor for use in endoscopic surgery with a shaft at whose proximal end a hand piece is mounted and whose distal end can be moved out of an initially extended, straight position, whereby the adjustable distal end consists of several link elements that can bend toward one another and can be moved into a ring-shaped structure, and whereby this ring-shaped structure can be bent in relation to a rigid part of the shaft, characterized in that the distal end of the shaft can be moved into a closed ring structure, whereby at the forward free end of the front most link element a locking element is situated, with which the front most link element can be secured for forming the closed ring structure, and in that the closed ring structure can be bent continuously at an angle up to 90 degrees to the rigid part of the shaft.