Tracheal cannulas and stents

Details Tracheal cannulas and stents Tracheal cannulas and stents

1990-05-22

1991-10-08

Pellegrino, Stephen C.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820026, 606196, 623 9, A61M 1600

Patent

active

050544837

ABSTRACT:
Disclosure is made of an improvement in the T-shaped tracheal stents and in the tracheal cannulas of the prior art, permitting one to conveniently have a complete and unitary unit including a closure member affixed to the device of the invention. Unidirectional retention sleeves are also described, which may be used in conjunction with the cannulas and the stents of the invention.

REFERENCES:
patent: 3137299 (1964-06-01), Tabor
patent: 3605751 (1971-09-01), Gulling
patent: 3721233 (1973-03-01), Montgomery et al.
patent: 4269184 (1981-05-01), Montgomery
patent: 4610667 (1986-09-01), Pedicano et al.
patent: 4795465 (1989-01-01), Marten

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