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Body insertion tube with anesthetic jacket

  • US 5,389,074 A
  • Filed: 10/27/1993
  • Issued: 02/14/1995
  • Est. Priority Date: 10/27/1993
  • Status: Expired due to Fees
First Claim
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1. A device engageable with a source of anesthetic fluid, the device being advanceable into a patient for establishing a pathway for fluid communication through the patient'"'"'s pharynx while reducing patient discomfort, comprising:

  • a source of pressure;

    an elongated flexible tube defining a lumen in fluid communication with the source of pressure, the tube having a distal segment positionable in a body passage of the patient that is distal to the pharynx, the tube being made of plastic such that the tube has sufficient strength to substantially prevent deformation of the tube when the source of pressure is activated; and

    a jacket surroundingly engaged with the distal segment of the tube along at least five centimeters (5 cm) of the distal segment, the jacket being formed with a plurality of perforations along its entire length and circumference, wherein anesthetic fluid from the source of anesthetic fluid can be directed out of the perforations of the jacket onto the body passage of the patient to anesthetize a substantial portion of the body passage.

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