Patents by Inventor Manfred Josef Grosshardt

Manfred Josef Grosshardt 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).

  • ENDOSCOPE WITH VARIABLE STIFFNESS
    Publication number: 20240298885
    Abstract: An endoscope having a proximal handle and a flexible insertion cord extending in distal direction from the handle, and further provided with an insertion cord stiffener. The stiffener includes a coil and a wire extending through the coil and being attached to the coil at the coil distal end. A control at the handle operates the stiffener by tensioning the wire.
    Type: Application
    Filed: March 7, 2024
    Publication date: September 12, 2024
    Applicant: AMBU A/S
    Inventors: Anh Minh DO, Manfred Josef GROßHARDT
  • Endoscope shaft made of a composite tube
    Patent number: 8608646
    Abstract: An endoscope shaft made of a composite tube comprises an external tube and an internal tube which is softer and more resilient compared to the external tube as well as a helical spring for stiffening the composite tube. According to the invention, the helical spring in the relaxed state has an outer diameter which is larger than the inner diameter of the internal tube. Furthermore the helical spring is inserted in the internal tube preferably loosely at a spring bias, whereby it is radially pressed against the internal tube.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: December 17, 2013
    Assignee: Invendo Medical GmbH
    Inventors: Ilona Sabine Dillinger, Manfred Josef Grosshardt
  • Endoscope shaft made of a composite tube
    Publication number: 20110144433
    Abstract: An endoscope shaft made of a composite tube comprises an external tube and an internal tube which is softer and more resilient compared to the external tube as well as a helical spring for stiffening the composite tube. According to the invention, the helical spring in the relaxed state has an outer diameter which is larger than the inner diameter of the internal tube. Furthermore the helical spring is inserted in the internal tube preferably loosely at a spring bias, whereby it is radially pressed against the internal tube.
    Type: Application
    Filed: November 10, 2010
    Publication date: June 16, 2011
    Applicant: Invendo Medical GmbH
    Inventors: Ilona Sabine Dillinger, Manfred Josef Grosshardt