Patent ID: 7235048

Claim:
Device ( 1 ) for retracting tissue or other parts of the body in surgical interventions, with a retaining element ( 2 ) having a throughgoing cutout ( 7 ) and with a blade ( 18 ) mounted on a retractor arm ( 16 ), wherein said retractor arm ( 16 ) is seated movably in said cutout ( 7 ), wherein said retaining element ( 2 ) comprises a clamping sleeve ( 3 ) and a clamping part ( 4 , 36 ) movably guided in said clamping sleeve ( 3 ), where both said clamping sleeve ( 3 ) and said clamping part ( 4 , 36 ) have a U-shaped throughgoing cutout ( 5 , 6 ), wherein an overlap between said cutouts ( 5 , 6 ) forms the throughgoing cutout ( 7 ) of the retaining element ( 2 ), said retaining element further comprising arrests for fixing said retractor arm ( 16 ), including springs ( 11 ), braced between clamping sleeve ( 3 ) and clamping part ( 4 , 36 ), such that the cross section of the cutouts ( 5 , 6 ) which is formed by said clamping sleeve ( 3 ) and clamping part ( 4 , 36 ) has a smaller cross section than said retractor arm ( 16 ), said cutout ( 7 ) of said retaining element ( 2 ) is grooved in such a way that said retractor arm ( 16 ) can be inserted into the groove, orthogonal to a long extension of the groove and that said retractor arm ( 16 ) is fixed with respect to movements along said grooved cutout ( 7 ) after insertion into said grooved cutout ( 7 ) by said arrests.