Patents by Inventor Helmut Ifflaender

Helmut Ifflaender 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).

  • Extracorporeal lithotripsy apparatus for the disintegration of calculi having an unattenuated locating field
    Patent number: 5065762
    Abstract: A shock wave source of the type suitable for treating calculi in the body of a patient has a closed space filled out by a coupling fluid, as well as a hollow-cylindrical, air-filled space, centrally located in the shock wave head, which does not attenuate x-rays. The centrally located space allows for acceptance of an ultrasound locating system. It is covered on the application side by a flexible foil, providing for a shock wave head which is free from contamination of particles from the opening of the above mentioned space to the application surface of the patient.
    Type: Grant
    Filed: May 23, 1990
    Date of Patent: November 19, 1991
    Assignee: Siemens Aktiengesellschaft
    Inventors: Helmut Ifflaender, Eike Matura, Walter Polster, Manfred Rattner