Patents by Inventor Arthur Shoemaker

Arthur Shoemaker 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).

  • Videoarthroscope with one-handed control
    Patent number: 4969450
    Abstract: The present invention provides a videoarthroscope which is longitudinally compact so tht it can be held and controlled with one hand. the videoarthroscope of the present invention includes a needle assembly and a focusing assembly rotatable relative to each other to permit rotation of the needle tip. The focusing assembly includes a rotatable focusing ring. All confronting rotating surfaces are sealed by a multilobed seal and provided with a lubricant to promote both ease of movement and sealing of movable joints. The videoarthroscope includes in its optical assembly a movable focusing group comprised of two lenses and an optional fixed telescope lens.
    Type: Grant
    Filed: January 25, 1990
    Date of Patent: November 13, 1990
    Assignee: Smith & Nephew Dyonics, Inc.
    Inventors: Randal B. Chinnock, Arthur Shoemaker