Surgery – Instruments – Chiropractic or osteopathic implement
Patent
1996-09-18
1997-08-05
Buiz, Michael
Surgery
Instruments
Chiropractic or osteopathic implement
606237, 606239, A61F 500
Patent
active
056537336
ABSTRACT:
An improved chiropractic adjusting instrument and method is provided for use in spinal manipulative therapy and for exciting a human spine at its natural frequency. The chiropractic adjusting instrument includes a thrust element for delivering an input force, a body contact member removably attached to the thrust element, a spring member for propelling the thrust element and the body contact member outwardly, and an adjustment knob arranged on the thrust element for adjusting the amount of potential energy imposed on the spring member and for controlling the magnitude of the resulting input force. In use, the input force is mechanically tuned to the natural frequency of a musculoskeletal structure (e.g., a human spine) by positioning a shaped mass on the thrust element, by varying the stiffness of the removable body contact member, and/or by varying the stiffness of the spring member. The input force is then delivered to the musculoskeletal structure at its natural frequency. By mechanically tuning the chiropractic adjusting instrument in this way, the dynamic output response of the musculoskeletal structure is maximized while the requisite impact force is minimized. This not only enhances the overall effectiveness of spinal manipulative therapy, but also reduces the possibility of damage to the vertebrae during such treatment.
REFERENCES:
patent: 4116235 (1978-09-01), Fuhr et al.
patent: 4461286 (1984-07-01), Sweat
patent: 4669454 (1987-06-01), Shamos
Fuhr Arlan W.
Keller Tony S.
Activator Methods, Inc.
Buiz Michael
Leonardo Mark S.
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