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Tympanostomy tube delivery device with replaceable shaft portion

  • US 10,653,561 B2
  • Filed: 12/04/2017
  • Issued: 05/19/2020
  • Est. Priority Date: 08/12/2014
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a shaft assembly including a plurality of shafts and a plurality of cam followers, each shaft from the plurality of shafts coupled to a different cam follower from the plurality of cam followers;

    a handpiece including a housing defining an interior space and a fixed opening extending from an exterior of the handpiece to the interior space, the fixed opening having a dimension greater than a lateral dimension of the shaft assembly such that a portion of each cam follower from the plurality of cam followers can be inserted through the fixed opening into the interior space; and

    a drive assembly disposed in the interior space and configured to drive the plurality of shafts in a predetermined sequence to deploy a tympanostomy tube in a tympanic membrane.

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