Patent ID: 8100928
Filing Date: 2012-01-24
Classification: A61B

Abstract:
1. A surgical morcellator, which comprises: a trocar body portion, the trocar body portion having an outer sleeve formed as an elongated tubular member and which defines a bore extending axially along the length thereof, and a cylindrical cutting blade, the cylindrical cutting blade being in the form of a tubular member and situated within the bore of the outer sleeve, the cylindrical cutting blade having a distal end and formed with a sharpened edge situated at the distal end thereof, the cylindrical cutting blade being rotatable within the bore of the outer sleeve, the outer sleeve being axially movable relative to the cylindrical cutting blade between a first position in which the outer sleeve covers the sharpened edge of the cylindrical cutting blade and a second position in which the outer sleeve uncovers the sharpened edge of the cylindrical cutting blade; a handle portion detachably mounted to the trocar body portion, the handle portion having a trigger piece movably mounted thereon, the trigger piece being operatively coupled to the outer sleeve to effect the selective axial movement of the outer sleeve to cover and uncover the sharpened edge of the cylindrical cutting blade, wherein the cylindrical cutting blade is rotatable relative to the outer sleeve when the handle portion is mounted to the trocar body portion; and a handle portion detachment mechanism situated on at least one of the trocar body portion and the handle portion, the handle portion detachment mechanism selectively detachably mounting the handle portion to the trocar body portion such that when the handle portion is detached from the body portion, the bore of the trocar body portion is accessible by a user and capable of receiving therein surgical instruments; an outer sleeve locking mechanism in physical communication with the outer sleeve and trocar body portion that prevents movement of the outer sleeve from the first position to the second position when the handle is detached from the trocar body portion; and the handle portion including a drive cable adapted to drive rotation of the cylindrical cutting blade, the drive cable being coupled with the cylindrical cutting blade when the handle portion is mounted to the trocar body portion and decoupled from the cylindrical cutting blade when the handle portion is detached from the trocar body portion.