Patents by Inventor Axel Wittmer

Axel Wittmer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9549756
    Abstract: A medical insertion aid for surgical instruments and/or optical systems includes a shank forming an insertion duct, at the inner wall of which at least one groove extending in the longitudinal duct direction or being longitudinally orientated is formed. In addition or as an alternative, a medical insertion aid includes a distal end portion (axial central portion preferably in the distal end area) and a radially outwardly extending, preferably closed peripheral fluid flow inhibiting edge in the distal end portion. The inhibiting edge preferably forms at least one axially opening circular channel or groove, with the opening being directed distally and/or proximally.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: January 24, 2017
    Assignee: Aesculap AG
    Inventors: Wolfgang Sauter, Manfred Dworschak, Axel Wittmer
  • Publication number: 20150164547
    Abstract: A medical insertion aid for surgical instruments and/or optical systems includes a shank forming an insertion duct, at the inner wall of which at least one groove extending in the longitudinal duct direction or being longitudinally orientated is formed. In addition or as an alternative, a medical insertion aid includes a distal end portion (axial central portion preferably in the distal end area) and a radially outwardly extending, preferably closed peripheral fluid flow inhibiting edge in the distal end portion. The inhibiting edge preferably forms at least one axially opening circular channel or groove, with the opening being directed distally and/or proximally.
    Type: Application
    Filed: July 10, 2013
    Publication date: June 18, 2015
    Inventors: Wolfgang Sauter, Manfred Dworschak, Axel Wittmer