1977-12-19
1979-11-20
Recla, Henry J.
Surgery
Truss
Pad
A61M 2700
Patent
active
041747160
ABSTRACT:
A myringotomy tube device which obviates the inimical natural tendency of the healing incision to cause spontaneous extrusion of the device. The device is characterized by an inner flange member having a shape substantially resembling a top view of a canoe which establishes sharp tapered portions to individually facilitate initial engagement of the device with a lip portion of the tympanic membrane defining a surgical incision applied thereto. Included is a principal or tubular member which extends through the incision provided in the tympanic membrane for communicating the middle ear with the external auditory canal. The tubular member is conspicuously pinched in adjacent the middle of the length thereof to establish a minimal diameter portion upon which the lip portion of the incision is urged to ride, i.e., being urged thereon by the inwardly sloping annular surface. Also, the external surface of the tubular member is elliptically shaped in cross section which conforms the lip of the healing incision toward an unnatural elliptical shape which is contributory in precluding spontaneous extrusion of the device.
REFERENCES:
patent: 3645268 (1972-02-01), Capote
patent: 3871380 (1975-03-01), Heros
Richards Manufacturing Company Catalog, 1966, Memphis, Tenn., Teflon Armstrong Beveled Drain Tube, (Grommet Type) No. 2106.
Recla Henry J.
Richards Manufacturing Co., Inc.
Walker III John R.
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