Endotracheal tubes with improved proximal end connector units
Patent 4593690 Issued on June 10, 1986. Estimated Expiration Date: 
June 28, 2004. 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.
June 28, 2004. 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 3388705 3599642 3860978 3873137 3908704 3929165 Endotracheal tube Endotracheal intubation device Nasogastric tube adapted to avoid pressure necrosis Connector valve assembly for endotracheal tubes Patent #: 4416273 InventorsAssigneeApplicationNo. 06/625822 filed on 06/28/1984US Classes:128/207.15, Breathing passage occluder128/204.18, Means for supplying respiratory gas under positive pressure128/912, CONNECTIONS AND CLOSURES FOR TUBES DELIVERING FLUIDS TO OR FROM THE BODY138/119, With means for facilitating collapse138/121, Corrugated138/173, Corrugated285/223, FLEXIBLE JOINT, RIGID MEMBERS604/533Coupling or connector structureExaminersPrimary: Recla, Henry J.Attorney, Agent or FirmInternational ClassA61M 16/04 (20060101)AbstractConventional endotracheal tubes are provided with improved proximal end connector units by which the endo tubes may be attached to breathing equipment or like fluid flow devices in a manner that mitigates interference with operations being performed on patients intubated with the endo tubes, such units comprising a straight, rigid, cylindrical distal end portion, a straight, rigid, cylindrical proximal end portion, a central tubular portion joining the distal end portion to the proximal end portion, the central tubular portion being bendable in an arc of at least 180° without any substantial diminution of its effective lumen, such proximal end portion, distal end portion and central tubular portion all being integral and formed of the same thin, plastic material, the central tubular portion comprising a plurality of circumferential, angular segments each consisting of a pair of sides that are of unequal length, the central tubular portion being compressed lengthwise by having the shorter side in each segment folded back under its longer side.Other References
| |
