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US 8,617,162 B2Granted
Device for punching out tissue areas from bone
AssigneeKarl Storz GmbH & Co. KG
InventorsMatthias Steinwachs, Sascha Berberich
Life of this patent
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Abstract
A device for punching out tissue areas from bone has a blade whose circumferential cutting edge corresponds to the contour of a tissue area that is to be punched out. The blade is composed of a plurality of blade segments that are each movable in an axial direction counter to the force of a spring.
Claims11
A device for punching out tissue areas from bone, comprising:
- a blade body having a closed circumferential cutting edge configured to surround a tissue area that is to be punched out,
- wherein said blade body is composed of a plurality of separate blade segments, said separate blade segments being arranged lying adjacent to one another resulting in said blade body and said closed circumferential cutting edge,
- each of said separate blade segments being movable in an axial direction counter to a force of a respective elastic element.
Dependencies are inferred from the claim text.