Patents by Inventor Being-Tang Zhong

Being-Tang Zhong 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: 5370631
    Abstract: An apparatus for de-airing the heart comprises a clear, resilient bulb fixedly secured to an aspirating needle. The bulb includes a valve which permits air, upon squeezing the bulb, to be discharged therefrom. The aspirating needle includes an axial passage which is closed at the distal end of the needle. One or more longitudinal slots formed in the wall of the needle provide access to the axial passage of the needle for aspirating air from the heart.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: December 6, 1994
    Inventor: Being-Tang Zhong
  • Patent number: 5290257
    Abstract: An apparatus for de-airing the heart comprises a clear, resilient bulb fixedly secured to an aspirating needle. The bulb includes a valve which permits air, upon squeezing the bulb, to be discharged therefrom. The aspirating needle includes an axial passage which is closed at the distal end of the needle. One or more longitudinal slots formed in the wall of the needle provide access to the axial passage of the needle for aspirating air from the heart.
    Type: Grant
    Filed: January 2, 1992
    Date of Patent: March 1, 1994
    Inventor: Being-Tang Zhong