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Tracheal tube cuff pressure

Journal of Anesthesia, 1987
The effect of nitrous oxide on the cuff pressure was studied from the following points of view. One was the size of tubes and the type of cuff. The other was the effects of different gas mixture in the cuff. The changes of the cuff pressure were investigated using four types of tubes such as the largest standard cuffed tube which could be passed ...
M, Manabe   +3 more
openaire   +2 more sources

Creep of Tubes under Internal Pressure

Russian Metallurgy (Metally), 2019
30 tubes made of an E110 zirconium alloy of standard and optimized compositions are subjected to creep tests under internal pressure at a temperature of 350 and 380°C and a circumferential stress σ = 70, 100, and 130 MPa. The circumferential strain is maximal during tests at a stress of 130 MPa for 4000 h: it is 1.5% at 350°C and about 6% at 380°C. The
E.E. Vorobev   +3 more
openaire   +1 more source

Placing Nasogastric Tubes and Intracranial Pressure

Journal of Neurosurgical Anesthesiology, 2003
Recently, a new method for placing nasogastric tubes (NGT) in dysphagic patients was proposed, which uses the swallowing reflex and was therefore called 'reflex placement.' The authors describe the use of this method in a patient with a large left sided striatocapsular hemorrhage, in whom decompressive craniotomy had been performed previously.
Rainer, Dziewas   +4 more
openaire   +2 more sources

Flexure of a Pressurized Tube

Journal of Applied Mechanics, 1990
In this note we study the theory of combined flexure and pressurization of an initially cylindrical elastic membrane of circular cross-section. For the case of homogeneous material and uniform pressure, we obtain first integrals of the equations of equilibrium.
openaire   +1 more source

A General Solution for the Pressurized Elastoplastic Tube

Journal of Applied Mechanics, 1992
The problem of a thick-walled cylindrical tube subjected to internal pressure is investigated within the framework of continuum plasticity. Material behavior is modeled by a finite strain elastoplastic flow theory based on the Tresca yield function. The deformation pattern is restricted by the plane-strain condition but arbitrary hardening and elastic ...
Durban, David, Kubi, Michael
openaire   +2 more sources

Pressure-Flow Relationships in Collapsible Tubes

IEEE Transactions on Biomedical Engineering, 1969
The pressure-flow characteristic of a short collapsible tube held open at its ends and inserted between two constrictions was investigated as a function of flow for different external pressures and downstream constrictions. Taking the upstream and downstream pressure and the flow through the tube as coordinates, a surface can be determined from which ...
openaire   +2 more sources

Pressure Vessels—Let the Tubes Support the Tube Sheet

Industrial & Engineering Chemistry, 1958
Substantial moneotary and material economics in tube sheet thichkness may be effected by taking advantage of the support offered by the tube bundle. In exploration of ment and deflection efficiencies must be determined. In addition the effects of tube bowing, in-place forces, and transient thermal effects must be investigated.
G. D. Galletly, C. R. Garbett
openaire   +1 more source

The Blood Pressure in Tubed Pedicles

Plastic and Reconstructive Surgery, 1966
M B, Myers, G, Cherry
openaire   +2 more sources

Tube Feeding and Pressure Ulcers

Archives of Internal Medicine, 2012
Colleen, Christmas, Thomas E, Finucane
openaire   +2 more sources

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