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Tympanic membrane pressure equalization tube delivery system

  • US 10,610,412 B2
  • Filed: 08/11/2017
  • Issued: 04/07/2020
  • Est. Priority Date: 07/15/2009
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • positioning a shaft assembly proximate to a tympanic membrane, the shaft assembly including;

    (i) a piercing element configured to form an incision in the tympanic membrane, and (ii) a shaft including an expandable feature;

    triggering, after positioning the shaft assembly proximate to the tympanic membrane, an actuation assembly including a cam such that the cam moves to advance a portion of the shaft assembly toward the tympanic membrane;

    forming, in response to advancing the portion of the shaft assembly, the incision in the tympanic membrane using the piercing element; and

    expanding the expandable feature of the shaft to dilate the incision.

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