Patents by Inventor Stephen A. Grochmal

Stephen A. Grochmal 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: 5098388
    Abstract: A Veress needle instrument consists of a housing serving as a handle, a hollow needle having one end mounted in the housing and a pointed other end, a tube slidably mounted within the needle, the tube having one end sealed off and a side wall hole proximate the sealed end, the other end of the tube passing through the hollow needle and into the length of a passageway of a spring biased bobbin mounted in the housing, with the other end being secured in the passageway. The passageway of the bobbin opens into a porthole thereof for receiving a fluid coupling through a hole in the top end of the housing, thereby permitting fluid to be passed directly between the tube and the fluid coupling. The bobbin is normally biased toward the bottom end of the housing, for causing the one end of the tube to extend away from a pointed end of the needle with the side hole of the tube unobstructed.
    Type: Grant
    Filed: May 2, 1991
    Date of Patent: March 24, 1992
    Inventors: Richard Kulkashi, Matthew P. Szapucki, Stephen A. Grochmal