Patents Assigned to Winfield Medical
  • Vial adaptor for a liquid delivery device
    Patent number: 5766147
    Abstract: A device is disclosed which provides for direct incorporation of a substance from a separate container, such as a drug vial, into the contents of a liquid delivery device, which has a connecter to provide communication between the device and the container, and means for closing the connection prior to dispensing the contents of the device. A method for permitting a substance in a container to be transferred to a liquid delivery device, and contents of the device to be administered to a patient is also disclosed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 16, 1998
    Assignee: Winfield Medical
    Inventors: Gregory E. Sancoff, Mark C. Doyle, Frederic P. Field
  • Apparatus for the generation of gas pressure for controlled fluid delivery
    Patent number: 5700245
    Abstract: The present invention relates to apparatus and method for the controlled delivery of fluid. The apparatus comprises chemical reactants which combine to generate gas and create pressure to drive a fluid from a container. The reactants and the environment in which the reaction occurs are controlled, thereby causing the fluid to be delivered from the device at a predetermined flow rate.
    Type: Grant
    Filed: July 13, 1995
    Date of Patent: December 23, 1997
    Assignee: Winfield Medical
    Inventors: Gregory E. Sancoff, Mark C. Doyle, Frederic P. Field