Middle meatal antrostomy ventilation tube

Details Middle meatal antrostomy ventilation tube Middle meatal antrostomy ventilation tube

1991-05-17

1993-09-21

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Ear or nose prosthesis

623 11, A61F 218

Patent

active

052464555

ABSTRACT:
An implantable ventilation tube for insertion in bodily tissues is disclosed. A suggested use for such a tube is as a middle meatal antrostomy ventilation tube for use following endoscopic surgery. It consists of a pair of flanges and a central tubular vent section extending therebetween, having the flanges positioned perpendicular to the lumen of the central tubular vent section. The tube is preferably made of elastomeric material and may include grooves etched in the distal surface of the distal flange to assist in insertion by permitting materials of a higher durometer rating than silastic.RTM. to be folded then grasped during insertion. It is suggested that the proximal flange be generally rectangular shaped, while the distal flange be generally triangular shaped, to ease insertion yet enhance anchoring capabilities. Once properly positioned through an opening prepared in a body cavity or duct, the ventilation tube permits the unhindered flow of fluids, such as air, through the lumen.

REFERENCES:
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patent: 4274162 (1981-06-01), Joy et al.
patent: 4534761 (1985-08-01), Raible
patent: 4650488 (1987-03-01), Bays
patent: 4704126 (1987-11-01), Baswell
patent: 4744792 (1988-05-01), Sander
patent: 5053040 (1991-10-01), Goldsmith, III

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