Tracheal cannulas and stents

Details Tracheal cannulas and stents Tracheal cannulas and stents

1989-03-06

1991-05-21

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604256, 604284, 12820717, A61M 2502

Patent

active

050171887

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: 4530354 (1985-07-01), Froilan
patent: 4666433 (1987-05-01), Parks
patent: 4801297 (1989-01-01), Mueller

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