Surgical instrument comprising plastic shaft
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United States of America Patent
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Jun 9, 2020
Grant Date -
Mar 12, 2015
app pub date -
Sep 10, 2014
filing date -
Sep 10, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
In the case of an electrosurgical instrument, provision is made for a tool (16), for the operation of which at least one, preferably two pull/thrust elements (39, 40) and a sliding element (56) are required. The sliding element (56) is held between a pull/thrust element (39) and a thrust bearing, wherein the thrust bearing can be formed by means of a further pull/thrust element (40). This arrangement utilizes the fact that the sliding element must only be activated, when the pull/thrust element is tensioned tightly. This concept of guiding the sliding element at the pull/thrust element provides for the simple design of instruments comprising long shafts, wherein separate measures for laterally reinforcing the sliding elements do not need to be taken.
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