U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Artificial airway device

Patent 5303697 Issued on April 19, 1994. Estimated Expiration Date: Icon_subject April 20, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3225767

Intubating pharyngeal airway
Patent #: 4054135
Issued on: 10/18/1977
Inventor: Berman

Endotracheal tube introducer
Patent #: 4211234
Issued on: 07/08/1980
Inventor: Fisher

Outside locking tracheal tube
Patent #: 4304228
Issued on: 12/08/1981
Inventor: Depel

Rigid fiberoptic laryngoscope
Patent #: 4306547
Issued on: 12/22/1981
Inventor: Lowell

Emergency internal defibrillation
Patent #: 4351330
Issued on: 09/28/1982
Inventor: Scarberry

Mask breathing system
Patent #: 4449526
Issued on: 05/22/1984
Inventor: Elam

Airway
Patent #: 4553540
Issued on: 11/19/1985
Inventor: Straith

Fenestrated tracheostomy tube
Patent #: 4852565
Issued on: 08/01/1989
Inventor: Eisele

Flexible oral airways and methods
Patent #: 4919126
Issued on: 04/24/1990
Inventor: Baildon

More ...

Inventor

Application

No. 869491 filed on 04/20/1992

US Classes:

128/200.26, Means placed in body opening to facilitate insertion of breathing tube128/207.14, Respiratory gas supply means enters mouth or tracheotomy incision128/207.15Breathing passage occluder

Examiners

Primary: Burr, Edgar S.
Assistant: Raciti, Eric P.

Attorney, Agent or Firm

Foreign Patent References

  • 0110333 EP. 06/20/1984
  • 0389272 EP. 09/20/1990
  • 2517974 FR. 06/20/1983
  • 445218 GB 04/20/2013
  • 2137096 GB. 10/20/1984
  • 2229367 GB 09/20/1990

International Classes

A61M 016/00
A61B 001/26

Foreign Application Priority Data

1991-02-11 GB

Abstract

An artificial airway device to facilitate lung ventilation in an unconscious patient comprises a rigid airway tube (10), which is curved to follow the airway of the patient, opening into the interior space or lumen of a mask portion (12) whose periphery (14) is adapted to seal around the inlet (36) to the larynx (38), and a rigid handle (9) mounted at the outer end of the airway tube (10) and curved away from the mouth of the airway tube (10).

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