Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Reexamination Certificate
2004-11-12
2009-02-03
Bennett, G. Bradley (Department: 2841)
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
C033S512000, C623S912000, C606S102000
Reexamination Certificate
active
07484305
ABSTRACT:
A gauge for use in a surgical procedure, including a body with a plumb bob mounted to the body. The plumb bob hangs from the body under the influence of a local gravitational field. More particularly, the plumb bob is rotatable relative to the body in both a first plane and a second plane, said planes being orthongonal to each other. In use, a connector allows the gauge to be connected to various surgical implements. The position of the indicator needle on the plumb bob is noted with reference to two sets of markings on the body to allow a surgeon to determine a first angle in a first plane and a second angle in a second plane. In one exemplary application of the invention, the first and second angles are anatomical angles associated with the surgical insertion of prosthetic components.
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Egan Michael
Lye Bob
Sherry Eugene
Bennett G. Bradley
Cohen Johnson Amy
International Patent Owners (Cayman) Limited
The Webb Law Firm
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