Surgery – Magnetic field applied to body for therapy – Externally supported or worn
Patent
1995-08-30
1997-12-23
Lacyk, John P.
Surgery
Magnetic field applied to body for therapy
Externally supported or worn
A61N 100
Patent
active
057002347
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a combination of a timer and magnetic therapeutic units, each having electromagnetic solenoids as a generating source of a magnetic field, and more particularly to a magnetic therapeutic apparatus which can set operation time of a plurality of magnetic therapeutic units arbitrarily by one timer.
The applicant of the present invention has previously proposed a magnetic therapeutic unit having a configuration that a plurality of case bodies including electromagnetic solenoids therein are flexibly connected with each other in series with their magnetic pole faces directing in a common direction. When an AC current flows through the electromagnetic solenoids in the case bodies, after fastening the magnetic therapeutic unit around affected portions of a body, alternating magnetic fields generated in the electromagnetic solenoids act on the body, thereby such symptoms as stiffness are cured.
This kind of magnetic therapeutic unit is designed to generate vibration and heat by energizing the electromagnetic solenoid, thereby, in addition to the above-mentioned magnetic therapeutic effect, massaging and warming effects are exerted on the body. Moreover, it has been experimentally proved that, when the magnetic therapeutic unit is used while sleeping, the mutual action of warming and vibration facilitates the sleeping.
Usually, the magnetic therapeutic unit is connected to an AC power source through a timer in use. When setting an operation time by the timer, the magnetic therapeutic unit operates for the set time and then stops.
An electric cord wire provided with a plug at its tip is drawn out from the magnetic therapeutic unit, while a plug-in socket is provided on the timer so as to be connected to the plug fixed to the electric cord wire. The plug of the magnetic therapeutic unit includes a pair of parallel connecting plates, while the timer socket includes a pair of connecting holes which can engage with and disengage from the connecting plates of the plug.
When the affected portions such as stiffened portions extend to plural locations, one magnetic therapeutic unit is used by fastening to plural portions in turn, but if a plural number of the magnetic therapeutic units are prepared, each being fastened to the affected portions, all of the affected portions can be treated simultaneously by operating all the magnetic therapeutic units at once.
However, in the case of using the plural number of magnetic therapeutic units, it is necessary to set the timers of the units separately, causing setting operations to be complicated.
Furthermore, since the plug of the magnetic therapeutic unit so constructed that a pair of connecting plates are projected in parallel, and, the timer socket has a pair of connecting holes in parallel for accepting the connecting plates of the plug, mechanical resistance against an external force perpendicular to the face of the connecting plates is weak. Therefore, the connecting plates may be extracted from the connecting holes and the plug may be extracted by a small vibration in a specific direction.
Additionally, since it is possible to connect any of the plugs of other equipment to this timer socket, the timer may be employed for the other equipment, and as a result, the timer may be damaged by an overcurrent.
SUMMARY OF THE INVENTION
It is a first object of the present invention to provide a magnetic therapeutic apparatus, wherein the time setting operation for a plural number of magnetic therapeutic units is simplified by connecting the plural number of magnetic therapeutic units to one timer.
It is a second object of the present invention to provide a magnetic therapeutic apparatus, wherein by devising respective directions of the metal plates of a plug of an electric cord wire connected to each magnetic therapeutic unit and the connecting holes of a plug-in socket provided on the timer, an engagement force of the plug is increased, disengagement of the plug from the socket is prevented and the timer can not be applie
REFERENCES:
patent: 4850340 (1989-07-01), Onishi
patent: 5344384 (1994-09-01), Ostrow et al.
Lacyk John P.
Nihon Kenko Zoushin Kenkyukai Corporation
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