Patents by Inventor Grigory M. Rutenburg

Grigory M. Rutenburg 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).

  • Wound retractor
    Patent number: 4765311
    Abstract: A wound retractor comprises a split tube made up of two halves, holders of the tube halves, a mechanism for spreading the tube halves apart, incorporating a retainer for locking the tube halves in position. The holder of one tube half is shaped as a plate having an oblong opening at the edge of which the tube half is located. The holder of the other tube half is shaped as a strip mounted slidably over the plate and having an opening similar to that in the plate. The second tube half is fitted at the edge of the strip opening opposite to the first tube half.
    Type: Grant
    Filed: April 14, 1987
    Date of Patent: August 23, 1988
    Inventors: Yaroslav P. Kulik, Ivan I. Shmyrin, Grigory M. Rutenburg