Patents by Inventor Edvin Zemgals

Edvin Zemgals 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).

  • Surgical system for powered instruments
    Patent number: 4705038
    Abstract: A single-motor surgical system for operating a set of different surgical devices having different operational limits, consisting of a handpiece containing the motor and adapted to alternately receive a proximal portion of each of the surgical devices, each device having an indicator on its proximal portion that denotes its operational limit, the handpiece including an automatic sensor for sensing the indicator, and controls responsive to the sensor to automatically establish the operational limit of the motor in accordance with the respective surgical device received by the handpiece.
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: November 10, 1987
    Assignee: Dyonics, Inc.
    Inventors: Douglas D. Sjostrom, Edvin Zemgals
  • Surgical system for powered instruments
    Patent number: RE34556
    Abstract: A single-motor surgical system for operating a set of different surgical devices having different operational limits, consisting of a handpiece containing the motor and adapted to alternately receive a proximal portion of each of the surgical devices, each device having an indicator on its proximal portion that denotes its operational limit, the handpiece including an automatic sensor for sensing the indicator, and controls responsive to the sensor to automatically establish the operational limit of the motor in accordance with the respective surgical device received by the handpiece.
    Type: Grant
    Filed: June 12, 1991
    Date of Patent: March 1, 1994
    Assignee: Smith & Nephew Dyonics Inc.
    Inventors: Douglas D. Sjostrom, Edvin Zemgals