Patents Represented by Attorney, Agent or Law Firm John C. Stringham
  • Patent number: 6481462
    Abstract: A valve apparatus is provided that includes a housing having proximal and distal ends and defining a passageway therethrough. An access port of the housing defines a bore configured for selective communication with the passageway. The valve apparatus includes a hollow insert which is disposed in the distal end of the passageway and includes a portion that is disposed beneath the bore defined by the access port. The housing additionally includes retention tabs on the distal end that engage corresponding openings in a fitting that is attached to the housing and includes a nipple slidingly received within the insert. A seat on the nipple contacts a flange of the insert to form a substantially leak proof connection. A substantially identical fitting engages corresponding retention tabs on the access port and is configured to slidingly receive a plunger, disposed in the bore, within a passage defined by the nipple.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: November 19, 2002
    Assignee: NeoSci Medical, Inc.
    Inventors: David J. Fillmore, Matthew S. Longson