Surgical instrument for the splaying of wound edges
First Claim
1. Surgical instrument for the splaying of the edges of a wound comprising at least one blade for placement on said edges having a blade shaped middle part, a rim projecting at right angles opposite the middle part, and a mount on which the blade is held at the end of the middle part opposite the projecting rim,said middle part comprising two parts which are movable against each other, of which one is held on the mount and the other carries the projecting rim, andan actuator that moves said two parts relative to each other and fixes them in different relative positions to each other so that different lengths of the middle part and these different spacings of the projecting rim result,said actuator comprising a turnable rod with a screw thread section, a guide part with a screw thread complementary to the screw threads of the rod, and an abutment, whereby the guide part and the abutment are placed at different parts of the middle part and guide and hold the rod parallel to the movement direction, said rod being turnable for adjustment of said instrument from outside of the wound.
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Accused Products
Abstract
An instrument for the splaying of the edges of a wound which has at least one blade. The blade has a middle part, a rim projecting at right angles from the middle part, and a mount on which the middle part is held. The middle part has two parts movable against each other by an actuator comprising a turnable rod with a screw thread section.
186 Citations
11 Claims
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1. Surgical instrument for the splaying of the edges of a wound comprising at least one blade for placement on said edges having a blade shaped middle part, a rim projecting at right angles opposite the middle part, and a mount on which the blade is held at the end of the middle part opposite the projecting rim,
said middle part comprising two parts which are movable against each other, of which one is held on the mount and the other carries the projecting rim, and an actuator that moves said two parts relative to each other and fixes them in different relative positions to each other so that different lengths of the middle part and these different spacings of the projecting rim result, said actuator comprising a turnable rod with a screw thread section, a guide part with a screw thread complementary to the screw threads of the rod, and an abutment, whereby the guide part and the abutment are placed at different parts of the middle part and guide and hold the rod parallel to the movement direction, said rod being turnable for adjustment of said instrument from outside of the wound.
Specification