Patents by Inventor Cai Qingsheng

Cai Qingsheng 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).

  • Hybrid portal and method
    Patent number: 5558641
    Abstract: The present invention provides an subcutaneously implantable access device including a metallic reservoir and a two piece plastic jacket. The metallic reservoir includes a sealed septum, and a chamber. The chamber is accessible through the septum. A two piece plastic jacket surrounds the metallic reservoir. The two piece jacket includes a cowl and a base connected to one another around the reservoir. A dual port construction is also provided.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: September 24, 1996
    Assignee: Sims Deltec, Inc.
    Inventors: Jerald Glantz, Mark D. Anderson, Theodore A. Johnson, William L. Beling, Cai Qingsheng
  • Hybrid portal and method
    Patent number: 5387192
    Abstract: The present invention provides an subcutaneously implantable access device including a metallic reservoir and a two piece plastic jacket. The metallic reservoir includes a sealed septum, and a chamber. The chamber is accessible through the septum. A two piece plastic jacket surrounds the metallic reservoir. The two piece jacket includes a cowl and a base connected to one another around the reservoir. A dual port construction is also provided.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: February 7, 1995
    Assignee: SIMS Deltec, Inc.
    Inventors: Jerald Glantz, Mark D. Anderson, Theodore A. Johnson, William L. Beling, Cai Qingsheng