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Tracheostomy tube

  • US 5,067,496 A
  • Filed: 04/07/1988
  • Issued: 11/26/1991
  • Est. Priority Date: 04/07/1988
  • Status: Expired due to Term
First Claim
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1. A tracheostomy tube for insertion into the trachea of a patient to support breathing, comprising:

  • An outer cannula having a distal end for placement within the trachea and a proximal end for placement outside of the trachea;

    a neck flange connected to the proximal end of said outer cannula for securing the tracheostomy tube to the patient;

    inflatable sealing means near the distal end of said outer cannula for forming a seal with the tracheal walls;

    a flexible inflation tube extending from within said sealing means and having a portion fixedly secured along the wall of said outer cannula near the proximal end of said outer cannula and said inflation tube further extending unsecured; and

    means retaining a portion of said unsecured inflation tube at the proximal end of said outer cannula in longitudinal alignment with said secured portion, whereby any pulling force on said inflation tube proximal of said retaining means results is substantially only tensile force on the secured portion of said inflation tube.

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