Patents Assigned to Worldwide Optical Trocar Licensing Corporation
  • Patent number: 5609562
    Abstract: A new and improved laparosopic trocar and sleeve assembly in which the trocar is provided with a transparent tip and accommodates a light telescope for supplying a video console so that while the trocar is being surgically inserted through the abdominal wall and into the abdominal cavity, visualization on the video console will be possible to avoid injury to blood vessels in the abdominal cavity wall or injury to any of the internal organs located in the abdominal cavity. Once clear visualization is established, conventional laparoscopic provedures can be carried out safely.
    Type: Grant
    Filed: May 10, 1995
    Date of Patent: March 11, 1997
    Assignee: Worldwide Optical Trocar Licensing Corporation
    Inventor: Steven G. Kaali
  • Patent number: 5551947
    Abstract: A new and improved laparoscopic trocar and sleeve assembly in which the trocar is provided with a transparent tip that can include a blade edge and accommodates a light telescope for supplying a video console so that while the trocar is being surgically inserted through the abdominal wall and into the abdominal cavity, visualization on the video console will be possible to avoid injury to blood vessels in the abdominal cavity wall or injury to any of the internal organs located in the abdominal cavity. A handle provided on the trocar facilitates manipulation and control of the trocar tip penetration. Once clear visualization is established, conventional laparoscopic procedures can be carried out safely.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: September 3, 1996
    Assignee: Worldwide Optical Trocar Licensing Corporation
    Inventor: Steven G. Kaali