Patents by Inventor Charles H. Koh

Charles H. Koh 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: 7837473
    Abstract: A surgical training device and method. The surgical training device can include a portable case including a base and a lid. The surgical training device can include a support coupled to the base, and the support can be moveable from a first position stored within the base to a second position coupled to the lid. The support can include a plurality of ports positioned so that when the support is in the second position, the surgical instruments inserted into the plurality of ports are substantially horizontal and parallel to the base. The surgical training device can include a camera and a video monitor connected to the camera. The video monitor can display an output from the camera including the surgical instruments and/or simulated tissue.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: November 23, 2010
    Inventor: Charles H. Koh
  • Patent number: 5840077
    Abstract: A colpotomy assembly 10 is adapted for insertion into a vaginal cavity for use in female pelvic surgical procedures employing the inflation of an abdominal cavity with a gas to facilitate the accessability to and visibility of female pelvic organs. The assembly has a vaginal extender 20, a uterine manipulator 16 and a flexible occluder. The occluder being mounted on a shaft of the uterine manipulator such that it permits relative movement of the shaft 26 during use.
    Type: Grant
    Filed: October 17, 1995
    Date of Patent: November 24, 1998
    Assignee: Blairden Precision Instruments, Inc.
    Inventors: Jimmy M. Rowden, John E. Heaton, Charles H. Koh, Kerry L. Blair
  • Patent number: 5643285
    Abstract: A colpotomy assembly (10) having a vaginal extender (20) and uterine manipulator (16) for use in performing various female pelvic surgeries, including laparoscopic hysterectomies, laparoscopically assisted vaginal hysterectomies, and other female pelvic laparoscopic procedures where removal of tissue specimens through a colpotomy incision is indicated.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: July 1, 1997
    Assignee: Blairden Precision Instruments, Inc.
    Inventors: Jimmy M. Rowden, John E. Heaton, Charles H. Koh
  • Patent number: 5520698
    Abstract: A simplified total laparoscopic hysterectomy method employing colpotomy incisions which employs a colpotomy assembly 10 having a vaginal extender 20 and uterine manipulator 16 for use in performing various female pelvic surgeries, including laparoscopic hysterectomies, laparoscopically assisted vaginal hysterectomies, and other female pelvic laparoscopic procedures where removal of tissue specimens through a colpotomy incision is indicated.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: May 28, 1996
    Assignee: Blairden Precision Instruments, Inc.
    Inventor: Charles H. Koh
  • Patent number: D583472
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: December 23, 2008
    Assignee: Karl Storz GmbH & Co. KG
    Inventor: Charles H. Koh
  • Patent number: D614298
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: April 20, 2010
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Charles H. Koh, Uwe Renger, Jochen Stefan
  • Patent number: D614299
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: April 20, 2010
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Charles H. Koh, Uwe Renger, Jochen Stefan
  • Patent number: D615197
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: May 4, 2010
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Charles H. Koh, Horst Dittrich, Simon Solingen
  • Patent number: D617897
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: June 15, 2010
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Charles H. Koh, Uwe Renger, Jochen Stefan
  • Patent number: D617898
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: June 15, 2010
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Charles H. Koh, Uwe Renger, Jochen Stefan
  • Patent number: D617899
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: June 15, 2010
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Charles H. Koh, Uwe Renger, Jochen Stefan
  • Patent number: D621035
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: August 3, 2010
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Charles H. Koh, Uwe Renger, Jochen Stefan