Hinged tracheostomy tube obturator

Details Hinged tracheostomy tube obturator Hinged tracheostomy tube obturator

1990-03-08

1991-08-27

Lewis, Aaron J.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820026, A61M 1600

Patent

active

050424750

ABSTRACT:
A plastic obturator for use in intubating tracheostomy tubes, particularly including a non-constant radius cannula, which is made of a single-piece plastic flexible member having a flexible shaft including a substantially flat strip member and a plurality of segments extending substantially perpendicular to the strip member. The strip member forms a plurality of hinge members which alternate with this plurality of segments. The shaft means includes a distal and a proximal end. A holding means is formed at the proximal end of the shaft means and a tip member is provided at the distal end of the shaft means having a bullet-like conical shape.

REFERENCES:
patent: 3443564 (1969-05-01), Oehmig
patent: 3625200 (1971-12-01), Muller
patent: 3674014 (1972-07-01), Tillander
patent: 3794041 (1974-02-01), Frei et al.
patent: 4111190 (1978-09-01), Plumridge
patent: 4231365 (1980-11-01), Scarberry
patent: 4244362 (1981-01-01), Anderson
patent: 4278081 (1981-07-01), Jones
patent: 4762130 (1988-08-01), Fogarty et al.

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