Patents by Inventor Vladimir N. Vecherko

Vladimir N. Vecherko 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).

  • Patent number: 5344410
    Abstract: The proposed device comprises an outer tube having a central canal and perforations at its one end, a stylet fitted in the central canal of the outer tube, an inner tube, which is in fact a non-return valve and with its one end tightly connected to the outer tube and with its opposite end stretched over the stylet with a possibility of slipping off the latter and getting everted. The device has a receptacle for collecting the pleural fluid, tightly connected to the outer tube and the inner tube, and a retainer for fixing the device in position.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: September 6, 1994
    Inventors: Yakov G. Kolkin, Vladimir N. Vecherko, Evgeny S. Pershin