Patents by Inventor Lev Melinyshyn

Lev Melinyshyn 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).

  • Apparatus and method for collecting body fluids
    Patent number: 5019059
    Abstract: A truly closed drainage apparatus for suctioning, storing and administering fluid from body and tissue cavities including draining means for suctioning and receiving fluid, a reservoir for siphoning and storing excess fluids, a small pore hydrophobic filter for venting air without retrograde introduction of microorganisms, and means for applying pressure to the reservoir to administer the fluid contained therein.
    Type: Grant
    Filed: August 2, 1988
    Date of Patent: May 28, 1991
    Assignee: Uresil Corporation
    Inventors: Edward M. Goldberg, Lev Melinyshyn
  • One-way valve
    Patent number: 4966197
    Abstract: A one-way valve comprising flat resilient members in face-to-face relationship which are bonded upon two generally parallel tracks defining a passageway therebetween, where the tracks have a tortuous profile along their inner edges.
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: October 30, 1990
    Assignee: Uresil Corporation
    Inventors: Michael Jaron, Lev Melinyshyn
  • One-way valve
    Patent number: 4949756
    Abstract: A one-way valve comprising flat resilient members in face-to-face relationship which are bonded upon two generally parallel tracks defining a passageway therebetween, where the tracks have a tortuous profile along their inner edges, and optionally, where the passageway is creased and/or wetted.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: August 21, 1990
    Assignee: Uresil Corporation
    Inventors: Lev Melinyshyn, Edward M. Goldberg
  • Apparatus for locating body cavities having signaling indicator
    Patent number: 4944724
    Abstract: An apparatus for locating a body cavity having a fluctuating fluid pressure by signaling the fluctuating pressure when the cavity is entered and then transporting fluid either into or out of the cavity.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: July 31, 1990
    Assignee: Uresil Corporation
    Inventors: Edward M. Goldberg, Lev Melinyshyn, Michael Jaron, Jeffrey M. Stupar
  • Multiple conduit drainage device
    Patent number: 4925452
    Abstract: A multiple conduit flexible drainage device in which the adjacent conduits are joined by a plurality of membranes and may be parted from their proximal ends, reliably and without damage to the conduits.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: May 15, 1990
    Assignee: Uresil Corporation
    Inventors: Lev Melinyshyn, Edward M. Goldberg
  • Method of constructing a blood flow conduit
    Patent number: 4840690
    Abstract: A method of constructing a blood flow conduit provided with external inflatable balloons and having rigid end portions for facilitating insertion into blood vessels and means for detecting pulsatile flow in the conduit and excessive pressure in the balloons.
    Type: Grant
    Filed: March 10, 1988
    Date of Patent: June 20, 1989
    Assignee: Becton, Dickinson and Company
    Inventors: Lev A. Melinyshyn, Jeffrey M. Stupar, Edward M. Goldberg
  • Blood flow conduit
    Patent number: 4731055
    Abstract: A improved blood flow conduit provided with external inflatable balloons and having rigid end portions for facilitating insertion into blood vessels and means for detecting pulsatile flow in the conduit and excessive pressure in the balloons.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: March 15, 1988
    Assignee: Becton, Dickinson and Company
    Inventors: Lev A. Melinyshyn, Jeffrey M. Stupar, Edward M. Goldberg