4/73 NEW YORK TIMES article by JANE E. BRODY:
Healing In Animals Speeded By Static Electricity:
Scientists at Columbia University yesterday reported
encouraging results in tests on animals of the use of static
electricity to speed the healing of fractured bones.
The method, if shown to be effective in man, could simplify
the current experimental use of electrical bone healing, in
which electrodes are implanted directly into the bone to set
up electrical charges on either side of the fracture point.
This method has been shown in patients to speed greatly the
healing of stubborn fractures and to stimulate healing of
breaks that do not heal on their own.
The new approach would eliminate the need to implant
electrodes, and instead would place the fractured limb in an
electric force field maintained between two metal plates by a
conventional dry-cell battery. The plates and battery would
be attached externally, held in place by a cast.
Electrical bone healing is based on the observation by a
number of researchers that the formation of bone is enhanced
by the application of a weak direct current. Deposition of
collagen and apatite, the major constituents of new bone,
occurs around a negatively charged area.
The application of this principle to the treatment of
patients with fractures that refuse to heal was reported last
year by Dr. Leroy Lavine and colleagues at Downstate Medical
Center in Brooklyn. The method is now being studied at a
number of medical centers.
The work with static electricity was presented yesterday to a
symposium at Clemson University in South Carolina by
Dr. C. Andrew Bassett, director of the Orthopedic Research
Laboratories at Columbia. Thus far, studies in rabbits, done
in collaboration with Robert J. Pawluk, have shown that the
method can reduce by half the time required for a fracture to
heal, Dr. Bassett reported.
He said he expected to apply electrical field casts to human
arms and legs within a year. He estimated that if the method
succeeded in man, it could save the nation nearly $5-billion
year in expenses for the treatment of fractures.



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