Electromagnetic bone healing sensor using a multi-coil sensor ar

Details Electromagnetic bone healing sensor using a multi-coil sensor ar Electromagnetic bone healing sensor using a multi-coil sensor ar

1987-08-25

1989-08-29

Smith, Ruth

Surgery

Truss

Pad

128734, 324232, 324237, A61B 505

Patent

active

048607568

ABSTRACT:
An apparatus and method for non-invasive sensing of bone healing is disclosed. The apparatus and method uses an electromagnetic field to measure impedance changes at and about the bone fracture site during the healing process. The impedance change at the fracture site is a direct indication of the mechanical strength of the fracture site. A multi-coil sensor array is taught, which may be sutured to the patient's skin or mounted onto a plug that is inserted through a window in the cast.

REFERENCES:
patent: 3497799 (1970-02-01), Harmon
patent: 3697868 (1972-10-01), Carossi et al.
patent: 4234848 (1980-11-01), Diem et al.
patent: 4467281 (1984-08-01), Davis et al.
patent: 4574809 (1986-03-01), Talish et al.
patent: 4651093 (1987-03-01), Detricht et al.

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