Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2008-06-17
2008-06-17
Ensey, Brian (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C381S328000, C381S322000, C181S135000
Reexamination Certificate
active
07388961
ABSTRACT:
Embodiments of the invention provide a removal tool for atraumatically removing a hearing device inserted deeply in the ear canal of a user. The removal tool comprises a shaft adapted to be grasp in the hand and a plurality of hooks or other attachment elements coupled to a first end of the shaft. The hooks have a shape and orientation configured to minimize injurious contact with the walls of the ear canal when the removal tool is inserted into the ear canal. The hooks are also configured to detachably engage a loop structure or other attachment system of the hearing device for removal of the device independent of a radial orientation of the shaft with respect to the hearing device. The hooks can also be configured to engage the loop structure in two or more planes for removal of the hearing device. Also, the hooks can be configured to engage the loop structure so as to exert minimal axial force on the hearing device in a medial direction.
REFERENCES:
patent: 4817609 (1989-04-01), Perkins et al.
Contioso Ralph Patrick
Kushner Gregory
Shennib Adnan
Urso Richard Carl
Ensey Brian
InSound Medical, Inc.
Townsend and Townsend / and Crew LLP
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