Patent ID: 9615841
Date: 2017-04-11
CPC Classifications: A61B,A61C

Claim:
1. A device for penetratingly extending a blind hole introduced into hard tissue, particularly a jawbone, comprising: a tubular body having a distal working opening and an inlet opposite the working opening, wherein the tubular body is either constructed to be sealingly inserted into a bone bore or wherein the tubular body comprises means for sealing insertion into the bone bore, a sealing element in cooperation with a shaft of a rotatably driven milling cutter said shaft penetrating the sealing element, closing the inlet of the tubular body, while allowing at least a feed motion, a drive motion and a steering motion of the rotatably driven milling cutter, a connection disposed on the tubular body and opening into the tubular body at a proximal end of the tubular body for applying a pressure above atmospheric pressure in the tubular body; and a pressure control device connected to the tubular body via the connection, said pressure control device constructed to generate the pressure above atmospheric pressure.