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Video monitoring and reapposition monitoring apparatus and methods

  • US 4,922,909 A
  • Filed: 07/17/1987
  • Issued: 05/08/1990
  • Est. Priority Date: 07/17/1987
  • Status: Expired due to Fees
First Claim
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1. Video monitoring apparatus for use in an application in which changes in relative spatial relationship of features of a biological tissue are to be observed, the apparatus comprising:

  • video camera means for electronically producing a first image of the tissue and also electronically developing a subsequent image of the tissue after a period of time;

    video means for displaying a representation of an image of the tissue derived from said camera means; and

    means connected to said camera means and to said displaying means for electronically storing a representation of the first image of the tissue, and for transmitting the representation of the first image of the tissue to the displaying means with a representation of the subsequent image of the tissue so that the first and subsequent images of the tissue appear superimposed and any differences in the relative spatial relationship of features of the tissue in the images of the tissue are readily observed.

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