Surgery – Truss – Perineal
Patent
1976-09-21
1977-10-25
Yasko, John D.
Surgery
Truss
Perineal
128 78, 340279, A61B 500
Patent
active
040551687
ABSTRACT:
A posture training device includes in a mechanical-electrical embodiment thereof, an electrically conductive plate divided into two contact zones and slidable upon a support base of one housing section of the device. One end of the plate is operatively connected to a body harness cable extending around the longitudinal axis of the body from the pubis to the scapula, while the other end of the plate is electrically connected to spring-biased cable winding mechanisms. The two zones of the plate are separated and electrically insulated from each other by a predetermined gap which extends along the plate with a predetermined curvature or rectilinearly at a constant slope, and another slidable plate, having a contact member disposed therein, is similarly provided within another housing section with a harness cable at one end thereof, which cable extends laterally about the chest area of the patient, and is operatively, electrically connected to a spring-biased cable winding mechanism at the other end thereof through means of the contact member. The electricaly conductive plate and contact member of the second plate serve as a single-pole, double-throw switch and common contact member respectively, and the relative movement of both plates, as defined by the contact member and the zones of the electrically conductive plate, serve to open or close a signal emitting circuit so as to accurately indicate the assumption of a proper or improper postural position or condition by the patient, independent of the respiration of the patient.
In another, electronic embodiment of the invention, in lieu of the sliding plates of the aforenoted embodiment, rotary potentiometers are utilized, the generated voltages of which serve to indicate the length or lengthening, or movement, of the cables secured thereto in a manner similar to the securing of the same to the sliding plates, and through means of a trim resistor, which serves a similar function as that of the sloped gap of the zoned plate, the voltages are differentially and then comparatively amplified and supplied to the signal emitting circuit.
REFERENCES:
patent: 4007733 (1977-02-01), Celeste et al.
Dworkin Barry R.
Miller Neal E.
The Rockefeller University
Yasko John D.
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