Patents by Inventor Alexei A. Konoplev

Alexei A. Konoplev 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 instrument for establishing circular coloanastomoses
    Patent number: 4476863
    Abstract: The surgical instrument of the present invention is for establishing circular anastomoses between various segments of the colon.The surgical instrument comprises a cylindrical body having a mandrel 2 at one of its ends and accommodating a coaxially arranged rod 3 carrying a circular knife 4 locked in place thereon and provided with a mechanism for its longitudinal traversing, and a stem 6 carrying a thrust head 7 axially traversable with respect to the rod 3, and a circular anastomosing mechanism 8, which is made up of two members. One of the members of said mechanism is located on the mandrel 2 and carries a number of suturing elements adapted to interact with the rod 3 so as to travel together with the latter when establishing circular anastomoses, while the other member is situated on the thrust head 7. The member of the circular anastomosing mechanism 8 that is located on the mandrel 2 comprises two rings 9 and 10 spaced somewhat apart from each other.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: October 16, 1984
    Inventors: Nikolai N. Kanshin, Igor A. Guskov, Alexei A. Konoplev, Alexandr E. Sachkov, Matvei M. Mats