Expandable endotracheal or urethral tube
Patent 4141364 Issued on February 27, 1979. Estimated Expiration Date: 
March 18, 1997. 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.
March 18, 1997. 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 2548602 3050066 3502069 3640282 3774596 3911927 InventorApplicationNo. 05/779068 filed on 03/18/1977US Classes:128/207.15, Breathing passage occluder604/103.09, Having reinforcing means (e.g., reinforcing coil, etc.)604/916, Characterized by balloon shape [A61M 25/10A]606/192Inflatable or expandible by fluidExaminersPrimary: Truluck, Dalton L.Attorney, Agent or FirmInternational ClassesA61M 25/10 (20060101)A61M 16/04 (20060101) AbstractThere is disclosed an endotracheal tube which is collapsed transverse to the longitudinal dimension of the tube for insertion into the trachea of a patient. After the tube is in place, it is expanded to open an unobstructed passageway therethrough. An expandable cuff is provided on the exterior of the tube to afford a seal between the trachea and the tube. The same techniques are applicable to urethral catheters. | |
