Apparatus for making ultra thin walled wire reinforced endotrach

Details Apparatus for making ultra thin walled wire reinforced endotrach Apparatus for making ultra thin walled wire reinforced endotrach

1996-05-14

1998-07-28

Gorski, Joseph M.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

118321, 118DIG4, 425375, A61M 1604

Patent

active

057859981

ABSTRACT:
An ultra thin walled wire reinforced endotracheal tubing includes a thin walled tubing comprising a polymeric material having a spring material incorporated therewith. Utilization of the spring wire material in combination with polymeric material results in a reduced wall thickness which results in a significant decrease in resistance to air flow through the endotracheal tubing. The endotracheal tubing of the present invention is made by depositing a dissolvable polymeric material on a rotating mandrel in successive layers. A spring material is also applied around the mandrel to produce the ultra thin walled wire reinforced endotracheal tubing. By controlling the rate of deposition of polymeric material along the length of the mandrel, different wall thicknesses of tubing may be achieved.

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"A New Thin-Walled Nonkinking Catheter for Peripheral Vascular Cannulation", Kolobow et al. vol. 68, No. 4, pp. 625-629, Oct. 1970, Surgery.

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