Patents by Inventor Todor Pavlov

Todor Pavlov 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).

  • Unitary venous return reservoir with cardiotomy filter
    Patent number: 4737139
    Abstract: A unitary device for the treatment and collection of blood from two different sources during a surgical procedure comprises a hollow housing made of a rigid, preferably transparent, material, first and second blood inlets in the housing, a first blood treatment element inside the housing comprising a layer of porous defoaming material and a layer of non-woven depth filter material, and a second blood treatment element inside the housing comprising a layer of porous defoaming material and free of any depth filter material. The novel device also includes internal walls for providing two blood flow paths therein, one through the first inlet, the first blood treatment element, a blood collection reservoir defined within the device and a treated blood outlet in the bottom wall of the housing, and the other through the second inlet, the second blood treatment element, the blood collection reservoir and the blood outlet.
    Type: Grant
    Filed: February 9, 1987
    Date of Patent: April 12, 1988
    Assignee: Shiley Inc.
    Inventors: Paul F. Zupkas, Francis M. Servas, Todor Pavlov, Steven G. Kelly
  • Unitary venous return reservoir with cardiotomy filter
    Patent number: 4642089
    Abstract: A unitary device for the treatment and collection of blood from two different sources during a surgical procedure comprises a hollow housing made of a rigid, preferably transparent, material, first and second blood inlets in the housing, a first blood treatment element inside the housing comprising a layer of porous defoaming material and a layer of non-woven depth filter material, and a second blood treatment element inside the housing comprising a layer of porous defoaming material and free of any depth filter material. The novel device also includes internal walls for providing two blood flow paths therein, one through the first inlet, the first blood treatment element, a blood collection reservoir defined within the device and a treated blood outlet in the bottom wall of the housing, and the other through the second inlet, the second blood treatment element, the blood collection reservoir and the blood outlet.
    Type: Grant
    Filed: January 29, 1985
    Date of Patent: February 10, 1987
    Assignee: Shiley, Inc.
    Inventors: Paul F. Zupkas, Francis M. Servas, Todor Pavlov, Steven G. Kelly
  • Tracheostomy tube with pressure relief valve
    Patent number: 4064882
    Abstract: A tracheostomy tube having an inflatable cuff, an inflating means including an indicating balloon, and a pressure relief valve to prevent over-inflation of the balloon and the cuff are disclosed.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: December 27, 1977
    Assignee: Shiley Laboratories, Inc.
    Inventors: George Michael Johnson, Kenneth Keith Krueger, Todor Pavlov
  • Relief valve
    Patent number: 4044793
    Abstract: A relief valve having a main passage normally closed with a main valve member and a vent passage normally closed with a vent valve member, the vent valve member being constructed to open the vent passage upon application of a predetermined pressure into the main valve passage to thereby prevent application of greater than said predetermined pressure to the outlet of the valve is disclosed.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: August 30, 1977
    Assignee: Shiley Laboratories, Inc.
    Inventors: Kenneth Keith Krueger, Todor Pavlov
  • Pressure relief valve for a low pressure cuffed tracheostomy tube
    Patent number: D243412
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: February 15, 1977
    Assignee: Shiley Laboratories, Inc.
    Inventors: Kenneth K. Krueger, Todor Pavlov
  • Heat exchanger with gas venting means
    Patent number: D281717
    Type: Grant
    Filed: February 24, 1982
    Date of Patent: December 10, 1985
    Assignee: Shiley Incorporated
    Inventors: Todor Pavlov, Badri Gupta