Patents by Inventor Ricardo A. Brizuela

Ricardo A. Brizuela 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).

  • Protecting device for guide tubes used with blood and serum bags and the like
    Patent number: 5197956
    Abstract: Disclosed herein is a slidable protective sheath for use with needles that are attached to plastic guide tubes, i.e., the tubes attached to blood or serum bags. The slidable sheath protects the operator from injury from the needle when the needle is not in use. When the needle is in use, the sheath is moved along the guide tube away from the needle.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: March 30, 1993
    Inventor: Ricardo A. Brizuela
  • Safety apparatus for extracting hypodermic needles from the respective syringe
    Patent number: 5046612
    Abstract: A receptacle for extracting hypodermic needles from syringes. The extracted needles are held within the receptacle which has a notched surface that converges to a longitudinal slot. The needle enters the receptacle sideways through the slot. Retention means maintain a syringe and needle in position so that separation of the needle is safely effected.
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: September 10, 1991
    Inventors: Jorge F. Mostarda, Ricardo A. Brizuela