Patents by Inventor Rupert Hoelzl

Rupert Hoelzl 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).

  • Method and apparatus for determining the thermal sensitivity of the human peripheral nervous system
    Patent number: 4763666
    Abstract: To determine the heat or cold sensation or pain threshold of a human being, thermode is applied to the skin of the subject under investigation, and the temperature is varied until the subject feels pain. This pain threshold temperature is maintained for a predetermined period of time and then the subject is requested to adjust the temperature until the same sensation is felt. The pain threshold temperature values obtained by this "tonic" method may be verified or improved by a "phasic" method of applying thermal stimuli, wherein pulse-type thermal stimuli are applied with randomly varying spacings and with temperatures which vary randomly about the pain threshold temperature established by the tonic method.
    Type: Grant
    Filed: April 22, 1986
    Date of Patent: August 16, 1988
    Assignee: Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    Inventors: Friedrich Strian, Rupert Hoelzl, Gunther Galfe, Stefan Lauterbacher, Wilhelm Lehmann