Patents by Inventor Andrew Chiang

Andrew Chiang 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: 5695506
    Abstract: Disclosed herein is a catheter device for use in a biological conduit. The catheter device has a catheter body with a housing and a torque cable lumen, a torque cable, a work element, and a connector. The housing is flexible. The torque cable extends through the catheter body to the housing via the torque cable lumen and is capable of rotation and translation with respect to the catheter body. The work element is slidably positioned in the housing. The housing has an interior which guides the work element in response to rotation and translation of the torque cable. The connector attaches the work element to the torque cable. The connector is flexible to facilitate flexion between the work element and the torque cable when the housing flexes.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: December 9, 1997
    Assignee: Devices for Vascular Intervention
    Inventors: Kelly Pike, David Hancock, Scott Argus, Andrew Chiang
  • Patent number: 4937743
    Abstract: The invention relates to the method for the prospective scheduling, periodic monitoring and dynamic management of a plurality of interrelated and interdependent resources using a computer system. The method includes providing a data base containing information about the resources and graphically displaying utilization and availability of the resources as a function of time. Indicia can be made to appear on the display to provide visual identification of symbols as well as information about scheduling, status and conflicts involving the resources. In addition, access to the data base can be made available to provide a continuous update of the display so that the display of the resources is for the most recent data in the data base. Access to the data base can also permit the operator to call up a wide variety of information about the resources and can also be used to track events and procedures.
    Type: Grant
    Filed: September 10, 1987
    Date of Patent: June 26, 1990
    Assignee: IntelliMED Corporation
    Inventors: William R. Rassman, Bradley M. Berman, Scott Blau, Andrew Chiang