Patents by Inventor Willem Frederik Vroegop

Willem Frederik Vroegop 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).

  • Electrode for stimulating and/or detecting muscle activity of a patient accessible through a body orifice
    Patent number: 5875778
    Abstract: An electrode assembly for stimulating or detecting activity of muscles accessible through a body orifice includes a carrier member having contact elements electrically connected to a detecting or stimulation assembly and an elongated sheath member formed of a rigid insulating material and having a handle portion and an insertion portion. The insertion portion has electrical contact elements including contact lips extending outwardly from the insertion portion. The elongated sheath member is positioned on the carrier member so that the contact lips are in electrical contact with the contact elements of the carrier member and the contact lips project radially into the sheath member and are resiliently supported in an axial direction against the contact elements of the carrier member.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: March 2, 1999
    Assignee: B.V. Optische Industrie `De Oude Delft`
    Inventor: Willem Frederik Vroegop