Patents by Inventor John J. E. Betz

John J. E. Betz 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: 4639945
    Abstract: This invention is a unique and improved shield to protect a limb which has been injured, is using an orthopedic device, bandage, or the like, or otherwise requires protection from water during bathing of patients or the like so concerned. The invention incorporates the use of a special sleeve to be slipped over a limb to be protected wherein the shield has an open end with a device suitable to encompass the limb and any bandage or other device associated with the limb and to allow easy engagement of the protective shield or sleeve, and wherein the device includes a flexible waterproof disk which will deform as necessary when being pulled over the limb and any appended involved. When fully in place, the flexible disk or the like seals about the shield and in combination with the sleeve or shield associated with it will protect the limb from any penetration of water.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: February 3, 1987
    Inventor: John J. E. Betz
  • Patent number: 4617013
    Abstract: This invention is a method and an apparatus for surgical irrigation, aspiration and illumination comprising a cooperative irrigation, aspiration and illumination system wherein the three functions are cooperatively performed at the actual surgical area during surgery. A single hand-held instrument capable of simultaneously and cooperatively providing light, irrigation and aspiration in a single and simultaneous act is utilized in a preferred method of practicing this invention. The light flows around the aspiration tip, which in turn carries the irrigation member. The amount of irrigation and aspiration is controlled by a one-hand operation of the surgeon or other operating room attendant.
    Type: Grant
    Filed: January 8, 1985
    Date of Patent: October 14, 1986
    Assignee: Timron Instruments, Incorporated
    Inventor: John J. E. Betz