Patents Assigned to Design Specialties Laboratories
  • Disposable hypodermic syringe with retractable needle
    Patent number: 4966593
    Abstract: A disposable hypodermic syringe capable of use only one time and including a needle which is automatically retracted within a tubular housing after use to prevent accidental needle sticks. The needle is normally locked in an extended position for normal injection use but then is automatically released through a release mechanism actuated by the same forward movement of the plunger within the syringe as is used to normally dispense the fluid from the syringe.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: October 30, 1990
    Assignee: Design Specialties Laboratories
    Inventor: James J. Lennox
  • Syringe cap clamp tool
    Patent number: 4950015
    Abstract: A tool for gripping and manipulating an article, the tool being particularly useful in removing and replacing a cap on a needle of a hypodermic syringe. The tool is held and manipulable in one hand and includes a clamp element, an actuator movable between locked and release positions and a lock mechanism for locking the actuator in its locked position. The lock mechanism is easily depressed by the thumb to release the actuator and close the clamp element on the cap.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: August 21, 1990
    Assignee: Design Specialties Laboratories, Inc.
    Inventors: Umid R. Nejib, James J. Lennox, George M. Sarnecky, Larry C. Sickler