Punctum plug

Details Punctum plug Punctum plug

A - Human Necessities

61

F

A61F 9/00 (2006.01)

Patent

CA 2585853

A punctum plug includes a body portion having a nose and rim portions which meet at an angle which facilitates both insertion and retention. In addition, the shaft of the plug includes a circumferential groove level with the top of the body which increases flexibility between the shaft and body of the plug. Furthermore, the groove locates the pivot point of the rim of the body radially inward which increases the flexibility of the rim.

L'invention concerne un bouchon pour point lacrymal comprenant une partie corps pourvue de parties nez et rebord formant un angle facilitant à la fois l'insertion et la retenue du bouchon. La tige du bouchon comporte également une rainure circonférentielle au niveau de la partie supérieure du corps, ce qui augmente la flexibilité entre la tige et le corps du bouchon. De plus, cette rainure permet de situer le point de pivotement du rebord du corps radialement vers l'intérieur, ce qui augmente la flexibilité du rebord.

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