Surgery – Instruments – Orthopedic instrumentation
Patent
1993-04-06
1994-08-02
Graysay, Tamara L.
Surgery
Instruments
Orthopedic instrumentation
606102, A61B 1760, A61F 504
Patent
active
053342020
ABSTRACT:
A portable bone distraction apparatus comprises a frame having a pair of relatively moveable parts which are respectively connectable to the bone parts on opposite sides of a break and tissue condition sensors positionable on opposite sides of a break. The sensors determine tissue conditions such as temperature or oxygen content. The apparatus includes a microprocessor control circuit which governs rate and frequency of distractions with automatic termination or reduction of the rate and/or frequency of distraction if sensed conditions proximate the break exceed predetermined programmed values.
REFERENCES:
patent: 4096857 (1978-06-01), Cramer et al.
Graysay Tamara L.
Roth W. Norman
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