Patents by Inventor Dai T. That

Dai T. That 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).

  • Guidewire-type device axially moveable by torque or axial force and methods for use thereof
    Patent number: 5551443
    Abstract: The present invention sets forth a guidewire-type device which can be axially moved via application of axial force and/or by application of torquing force. The device is used for accessing regions within a body. The device is used to attach to subject material within a body, and, if desired, to remove the subject material. In particular, the device and method of the invention are advantageously utilized by health care practitioners for use in accessing tortuous and difficult body areas, such as fallopian tubes.
    Type: Grant
    Filed: January 21, 1995
    Date of Patent: September 3, 1996
    Assignee: Conceptus, Inc.
    Inventors: Ivan Sepetka, Phong Pham, Dai T. That, Julian Nikolchev
  • Mechanism for manipulating the distal end of a biomedical device
    Patent number: 5391146
    Abstract: A mechanism for manipulating the distal end of an elongate medical device, wherein steering is accomplished by a single wire which extends from the proximal to the distal end of the device, the wire being anchored at an eccentric location relative to the central axis of the device containing said steering mechanism. Advantageously, a device comprising the steering mechanism also comprises at least one through lumen extending substantially from the proximal to the distal end of the device whereby a device or materials can be moved to the distal end of the device.
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: February 21, 1995
    Assignee: Conceptus, Inc.
    Inventors: Dai T. That, Robert Woodard