Patents by Inventor Alexei A. Malaev

Alexei A. Malaev 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).

  • Device for cleansing measuring pressure in the colon
    Patent number: 4893634
    Abstract: A device for cleansing the colon includes an elastic housing with an oval-shaped end and provided with an aspiration channel and a discharge channel isolated from each other, each channel having its own outlet port in the end of the housing. An endoscope is built into the aspiration channel and is provided with a transparent balloon on its working portion, while the discharge channel accommodates an open-end capillary tube whose open end is brought outwards through the end of the housing, the other end of the tube being connected to a pressure measurement instrument.
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: January 16, 1990
    Assignee: Problamnaya Nauchno-Issledovatelskaya Laboratoria Vspomogatelnogo Krovoobraschenia
    Inventors: Yaroslav P. Kulik, Alexei A. Malaev