Holding arm apparatus for medical tool
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United States of America Patent
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Dec 16, 2014
Grant Date -
Jul 7, 2011
app pub date -
May 20, 2009
filing date -
Jun 12, 2008
priority date (Note) -
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Abstract
A holding arm apparatus 1 is configured to connect upper and lower timing pulleys 5A and 6A of a vertical arm unit 4 to each other with a timing belt 15, to widen the range of rotation angle of a horizontal arm unit 5 and allow the position and angle of an endoscope 20 held at a front end of the horizontal arm unit 5 to be widely changed. The horizontal arm unit 5 and a counterweight 6 turn by the same angle, to maintain a weight balance by the counterweight 6. Using the timing belt 15 reduces the total weight and operation noise of the holding arm apparatus 1. Accordingly, the apparatus is appropriate for a medical front.
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