Ventilation tube for a middle ear

Details Ventilation tube for a middle ear Ventilation tube for a middle ear

2006-08-29

2006-08-29

Isabella, David J. (Department: 3738)

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

Ear or nose prosthesis

C604S285000, C606S109000

Reexamination Certificate

active

07097661

ABSTRACT:
A ventilation tube has a tubular member with generally circular flanges at opposite ends. Each flange has a respective tab that is angled obliquely to the axis of the tubular member. The tabs are diametrically opposite, and angled in opposite senses. Each tab has straight non-cutting edges tangential to its associated flange, and an arcuate nose portion. Each flange (may be used either for grasping the ventilation tube, or for insertion into an incision in a tympanic membrane, thereby permitting the ventilation tube to be used reversibly.

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Smith & Nephew, Commitment Development Enhancement, “First In MyringoTomy,” Mar. 1999, pp. 1-3.

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