Patent ID: 7648367
Filing Date: 2010-01-19
Classification: A61B,G09B

Abstract:
1. A device comprising: an anatomical model representing one or more anatomical structures of a human or non-human animal; an opening in the model through which a working device may be inserted and advanced to a desired procedure location and used to enlarge or dilate an opening, channel, lumen, indentation, gap or other structure; and an indicator apparatus that provides an indication of when the working device has been used to effect a desired enlargement or dilation of an opening, channel, lumen, indentation, gap or other structure, said indication being discernible without requiring substantial dismantling or destruction of the anatomical model; wherein the indicator apparatus comprises a removable card member which has, formed therein, an opening, channel, lumen, indentation, gap or other structure which becomes enlarged or dilated when the working device has been used to cause enlargement or dilation of that opening, channel, lumen, indentation, gap or other structure.