Tympanic ventilation tube and related technique
First Claim
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1. A method for ventilating and/or releasing fluid from the middle ear, comprising the steps of:
- providing a tympanic ventilation tube having a first flange at one end and a second flange at an opposite end, said first flange being provided with a cutting edge;
pressing said cutting edge against a tympanic membrane so as to form a perforation in said membrane;
removing said cutting edge from said perforation; and
introducing said second flange through said perforation, while maintaining said first flange on an outer side of said tympanic membrane, thereby seating said tube in said tympanic membrane.
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Abstract
A tympanic ventilation tube for ventilating and/or releasing fluid from the middle ear has, in accordance with the present invention, a tubular member and a first flange and a second flange connected to opposite ends of the tubular member. The first flange is provided with a cutting edge and with a tongue extension angularly spaced from the cutting edge. The cutting edge facilitates the incising of the tympanic membrane during the insertion of the tubular member, while the first flange and the second flange seat against opposite sides of the membrane following the insertion.
148 Citations
21 Claims
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1. A method for ventilating and/or releasing fluid from the middle ear, comprising the steps of:
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providing a tympanic ventilation tube having a first flange at one end and a second flange at an opposite end, said first flange being provided with a cutting edge; pressing said cutting edge against a tympanic membrane so as to form a perforation in said membrane; removing said cutting edge from said perforation; and introducing said second flange through said perforation, while maintaining said first flange on an outer side of said tympanic membrane, thereby seating said tube in said tympanic membrane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A tympanic ventilation tube for releasing fluid from the middle ear, comprising:
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a tubular member; a first flange connected to one end of said tubular member, said first flange being provided with a cutting edge and with a tongue extension angularly spaced from said cutting edge; and a second flange connected to an opposite end of said tubular member, said cutting edge facilitating the incising of the tympanic membrane during the insertion of the tubular member, wherein said first flange and said second flange seat against opposite sides of the membrane following the insertion. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification