Patent ID: 9717489
Date: 2017-08-01
CPC Classifications: A61B

Claim:
1. A retractor for use in a surgical operation in the region of an eye socket, comprising: at least two retraction elements having overlapping facing surfaces configured in area-covering manner, which can be moved relative to one another between an introduction position having a first overlapping coverage area between the at least two retraction elements and a retraction position having a second overlapping coverage area between the at least two retraction elements configured in a manner that the second overlapping area is smaller than the first overlapping area between the at least two retraction elements configured in area-covering manner; at least one spring element that makes a pre-tension available that forces the retraction elements into the retraction position; an activation device that is configured to move the retraction elements from the retraction position into the introduction position, overcoming the pre-tension; and wherein in the introduction position at least a portion of the overlapping facing surfaces lie in parallel.