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Endotracheal tube with inflatable cuffs

  • US 4,976,261 A
  • Filed: 04/03/1989
  • Issued: 12/11/1990
  • Est. Priority Date: 04/03/1989
  • Status: Expired due to Term
First Claim
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1. An endotracheal tube adapted for insertion through the mouth of a patient and into the patient'"'"'s trachea comprising:

  • elongated tube means having a proximal end and a distal end portion which terminates in a tip, said tube means defining a central ventilation passage;

    first inflatable means encircling said tube means between said proximal end and tip for generally centrally locating and sealing the tube means in the trachea upon the inflating thereof;

    non-occlusive second inflatable means spaced from said first inflatable means and encircling said tube means at said distal end portion in close proximity to said tip for preventing contact between said tube means tip and the trachea upon the inflating of said second inflatable means, said second inflatable means having an inflated diameter which is less than the inflated diameter of said first inflatable means;

    first inflating means for selectively inflating and deflating said first inflatable means; and

    second inflating means for selectively inflating and deflating said second inflatable means whereby upon the positioning of said tube means in the trachea of a patient and inflating of said first and second inflatable means the central axis of the patient'"'"'s trachea is generally approximately coaxial with the axis of said tube means at said distal end portion.

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