The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 31, 2012
Filed:
Jun. 03, 2009
Rupert Mayenberger, Rielasingen, DE;
Johann Maliglowka, Kolbingen, DE;
Rupert Mayenberger, Rielasingen, DE;
Johann Maliglowka, Kolbingen, DE;
Aesculap AG, Tuttlingen, DE;
Abstract
A surgical obturator is provided which has a tubular housing, a blade carrier displaceable in the tubular housing in a longitudinal direction between an advanced cutting position and a retracted protected position. A blade with a cutting edge is held on the blade carrier. A protective cap engages over the blade and is displaceable in the tubular housing in the longitudinal direction between an advanced rest position in which the blade is completely covered in its protected position and a retracted work position. The protective cap has a slit through which the cutting edge passes. In a work position of the protective cap, the blade projects through the slit. A retracting device is arranged in the tubular housing for displacing the blade from the cutting position to the protected position. The retracting device is activatable by displacement of the protective cap from the work position to the rest position.