Tympanostomy tube and method for producing the same

Details Tympanostomy tube and method for producing the same Tympanostomy tube and method for producing the same

1996-02-21

1997-07-08

Isabella, David

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

Ear or nose prosthesis

623 11, 623 12, A81F 218

Patent

active

056455844

ABSTRACT:
Disclosed are a tympanostomy tube made of pure titanium or a titanium alloy comprising a lumen formed longitudinally in an elongated tubular member and a concavity inwardly formed on said elongated tubular member in a circumferential direction at right angles to a longitudinal direction thereof, said lumen being longitudinally different in diameter and having a larger diameter at a position at which the concavity is not formed than at a position at which the concavity is formed; and a method for producing a tympanostomy tube comprising the steps of drilling a hole longitudinally in a rod member of pure titanium or a titanium alloy to form an elongated tubular member, and forming a concavity on said elongated tubular member in a circumferential direction at right angles to a longitudinal direction thereof.

REFERENCES:
patent: 4094303 (1978-06-01), Johnston
patent: 4650488 (1987-03-01), Baus et al.
patent: 4744792 (1988-05-01), Sander et al.
patent: 5047053 (1991-09-01), Jahn
patent: 5171270 (1992-12-01), Herrick
International Journal of Pediatric Otorhinolaryngology, 16, S. D. Handler et al, pp. 55-60 (1988).

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