Patent ID: 8545510
Filing Date: 2013-10-01
Classification: A61B

Abstract:
1. A clamping sleeve for clamping a cannulated drill bit and a guide wire for medical purposes, wherein the clamping sleeve can be introduced into a chuck of a drilling machine, the clamping sleeve comprising: at least one radially inwardly deflectable drill contact area having a radially inner surface for engaging the cannulated drill bit, the drill contact area protruding into an interior of the clamping sleeve and configured to clamp the cannulated drill bit, through which the guide wire runs, when a force acts inwards on an outer side of the clamping sleeve; and at least one radially inwardly deflectable wire contact area having a radially inner surface for clamping an exposed part of the guide wire which is not enveloped by the cannulated drill bit when the force acts inwards on the outer side of the clamping sleeve; wherein the interior of the clamping sleeve is open to both ends; wherein the at least one radially inwardly deflectable drill contact area is longitudinally offset from the at least one radially inwardly deflectable wire contact area; and wherein the clamping sleeve includes a connecting portion between the radially inwardly deflectable drill contact area and the radially inward deflectable wire contact area, the connecting portion having a radially inner diameter which is larger than a radially inner diameter of the radially inwardly deflectable wire contact area and a radially inner diameter of the radially inwardly deflectable drill contact area.