Thyroplasty implant

Details Thyroplasty implant Thyroplasty implant

A - Human Necessities

61

F

A61F 2/02 (2006.01) A61F 2/20 (2006.01)

Patent

CA 2103024

2103024 9221303 PCTABS00017 A thyroplasty implant (10) having a tiered base (12) for anchoring in a window cut through a thyroid lamina and a projecting member (14) for causing medial displacement of a vocal cord. The tiered base has a bottom tier (16), a middle tier (18), and an upper tier (20), the bottom tier and upper tier being larger in area than the middle tier so as to facilitate anchoring the base in the window. The base is made of a firm biocompatible material to facilitate firm anchoring of the implant, and the projecting member being made of softer, biocompatible material that is sufficiently soft to avoid damage to the vocal cord. The projecting member (14) is generally triangular in shape and has a portion (26) that extends in a posterior direction from the base. A measuring tool (44) having a projecting member (46) of similar shape to that of the implant and movable stop member (60) is used to measure the optimum size implant.

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