Customized drilling jig for implantation of a hearing aid
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United States of America Patent
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Aug 25, 2015
Grant Date -
Feb 14, 2013
app pub date -
Feb 23, 2010
filing date -
Feb 23, 2010
priority date (Note) -
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Abstract
A method of producing a drilling jig for implantation of a hearing aid involves capturing a molded imprint (14) of a patient's upper teeth (12) by solidifying an elastic material on them; connecting the teeth print to a jig (16) having a lateral beam (20) and navigation benchmarks (22); positioning the jig on the patient's head (10) using the imprint; capturing a three-dimensional image of the patient's head with the jig in place; determining a minimal invasive drilling axis (28) for hearing aid implantation based on the three-dimensional image; and manufacturing a customized jig having a drilling guide opening (24) in the lateral beam of the jig for guiding a drilling tool (26). The position and orientation of the drilling guide opening are selected to guide the drilling tool along the determined minimal invasive drilling axis when the jig is positioned on the patient's head by using the imprint (14).
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