Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1997-05-22
1999-10-12
Resan, Steven A.
Stock material or miscellaneous articles
Composite
Of inorganic material
428900, 600 9, 600 15, A61M 100, H01F 100
Patent
active
059652829
DESCRIPTION:
BRIEF SUMMARY
The invention refers to a magnetic arrangement for therapeutic application, particularly for the treatment of surface near skin or tissue areas of the human body, of one or more mechanically connected magnetic bodies which build an active surface on, or in, the vicinity of which the magnetic field there present is utilized.
Such known magnetic arrangements are, for example, shown in homogeneous permanent magnetic strips, which are magnetized with one or more poles, or in certain forms of discretely arranged permanent magnets of identical magnetic material. The permanent magnets or permanent magnetic strips may be rigid magnets, made for example of sintered hard ferrite or, also flexible magnets, for example of plastic bonded ferrite particles, whereby the particles, usually consisting of hard ferrite powder, are contained in the plastic matrix in statistically finely dispersed homogeneous form by, for example, mixing in stamping masticators. The geometrical shape, arrangement and magnetization of the magnetic bodies, as well as their magnetic material, are chosen to suit the intended application. The magnetic induction present at the active surface, or at a certain distance therefrom, is, in the case of the above mentioned magnetic arrangements, limited and in many cases it is desirable to increase the magnetic induction at, or in, the vicinity of the active surface.
Magnetic arrangements with alternating poles are known within the field of therapeutics for some time. They are rigid or flexible permanent magnets which have at least one pole on their active surface facing the body. For example, rigid magnets of this type, made of sintered hard ferrite, are largely used in Japan. Parallel to this, flexible magnets made of plastic bonded hard ferrite have been established within the field of magnetic therapeutics in Europe and the USA since 1983. These have at least one North and one South pole on their active surface facing the body, whereby the pole configurations are arranged in different ways dependent upon the therapeutic objective and are marketed by the applicant of this patent under the trade names "BIOflex" and "VITAflex". Such magnetic foils are described under EP-PS 0 134 437, U.S. Pat. No. 4,549,532 and JP-PS P1 652 939. The basic effectiveness of such magnetic arrangements on the human organism could be proven within a double blind study carried out by Dr. Jens Martin, of the Klinik Bavaria in Schaufling.
For the magnets of the above trademark "BIOflex" which are applied for therapeutic purposes, maximum induction values of up to ca. 60 mT are obtained immediately on the surface of such magnets. However, the induction of at least 1 mT, required to obtain a therapeutically relevant effect, can thereby, depending upon the material thickness of such magnets, only be obtained at an airgap (identical to the penetration depth into the body) of up to maximum, 20 mm. Depending upon the therapeutic objective, higher magnetic inductions are desired not only in the skin or tissue areas near to the surface of the body, but also in the deeper areas of more than 7 mm, particularly however, of more than 15 mm, measured from the body surface.
However, higher magnetic inductions, particularly in the case of treating larger areas, are not always tolerable. Also, in many cases, it is desired to achieve punctate magnetically induced effects in deeper positioned areas of the body in order to obtain such effects which are known from acupuncture. Since, generally, the induction values decrease with the third power to the distance from the magnet, it is imperative to use magnets with particularly high surface area induction, in order to create a sufficiently high induction in the body areas which are deeper than 20 mm.
The invention is therefore based on the objective to create higher performance magnetic arrangements of the above mentioned type with which, in particular, high local induction values can be achieved in certain areas of the effective surface, as well as a higher penetration depth in these areas of the bod
REFERENCES:
patent: 5017185 (1991-05-01), Baermann
patent: 5304111 (1994-04-01), Mitsuno
Resan Steven A.
Rheinmagnet Horst Baermann GmbH
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