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Extremely High Frequency (EHF) - Therapy represents a relatively new treatment method based on the various biological effects, produced in any living organisms, by a low-intensity electromagnetic radiation (EMR) in the millimeter (MM) spectrum of waveband. Millimeter waves (MMW) resides between infrared radiation and centimeter radio waves and include frequencies from 30 to 300 GHz or wavelengths from 1 to 10 mm (fig b).
Three types of electromagnetic radiation are used in practice: coherent, which has a fixed frequency and constant phase, and "noise-like" having a broad spectrum, with randomly varying amplitudes and phases, and its combination. MM EMW for medicinal use has low power, 1 to 10 mW.

Coherent and "noise-like" radiation spectra of "Artsakh" devices (b).
Scheme of EHF irradiation of an "acupoint" (a) and of a reflex zone (c).

Different types of biological effects, observed in MMW application, are the reason that several major methods of EHF – therapy have been developed to date. It is well established today by theoretical, experimental and clinical data, that the exposure point or area, rather than radiation frequency, plays an essential role in the treatments efficiency. High sensitivity of acupoints to MM radiation has been noted, this is probably explained by high hydration at these points.

Millimeter-wave radiation may be used in treatment of Excess and Deficiency type of diseases, as well as those characterized by Heat and Cold syndromes. Modality of the effect is determined by the acupoint exposure time.

Special devices for EHF-puncture named "Artsakh" has been developed and manufactured (fig 1). These devices can be applied for acting either on acupoints: standard meridian and auricular points, extra-points, etc. (fig a) and on various Reflexogenic zones or Tendino-Muscular channels (fig c).
The modes of operation are as follows: fixed frequency, «noise-like» and combined: fixed and noise (fig b), which amplitude can be modulated by internal meander in the rang of 1-99 Hz. Besides this, there is a «wave-swing» modulation in the range of 1 – 99 – 1 – 99 – 1, etc.

Model of device	Noise-like radiation, GHz	Coherent radiation, GHz
Artsakh - 01	42 - 95	60 (5,0 mm)
Artsakh - 02	90 - 160	118 (2,5 mm)
Artsakh - 03	42 - 95 & 90 - 160	60 & 118

"Artsakh-01P" (PAQT) [poly-factorial apparatus for quantum therapy] besides EHF-waves includes other physical factors: Infrared radiation (880.0 – 960.0 nm), Red (620.0 – 700.0 nm), Green (510.0 – 570.0 nm) and Blue (450.0 – 480.0 nm) light. Any of these physical factors may be applied separately or in combination.

Specific sensations or "arrival of Qi" phenomenon during EHF – Puncture have some peculiarities. Local sensations at the place of EHF-exposure are observed in cases, when there is mainly local disorders. But usually in the beginning of the treatment different sensations moving along the patient's legs, arms, trunk or just along the certain channel (warm, cool, waves, creeps, etc.) appear.

After that the patient experiences various sensations, which reflect the elimination of his initially presented disorders. Some patients experience various "visual sensory reactions" in spite of closed eyes. These sensations could include «seeing changing colors», «appearance of light» or even more complex visual images resembling dreams.

So, EHF-Puncture can stimulate different kinds of "Arrival of Qi" phenomenon without needle manipulation. During EHF-Puncture sensory response are realized not at the place of MM EMR exposure but at the place of "Qi" disorders. During EHF-Puncture only one side of the body should be influenced but sensory response is observed at both sides. Sensory reactions, appearing during EHF-Puncture, help the doctor to quickly study traditional acupuncture theory.

The Most Important Special Properties of The EHF – Puncture
In spite of the fact, that EHF-Puncture declares the same principles as traditional Acupuncture and Moxibustion, we would like to point on the most important properties of this new version of the needles-free influence on acupoints.

1. EHF-Puncture is non-invasive: MM EMR is transmitted to selected acupoints by means of a special dielectric wave-guide and, therefore, there is no problem with sterilization of instruments or danger of bacteria or viruses transmission from one patient to another.
2. EHF-Puncture is painless: this peculiarity is very important during treatment of patients with a high sensitivity to pain.
3. EHF-Puncture is universal: MM EMR can be used to treat "Heat" or "Cold", "Deficiency" or "Excess" syndromes; the type of response depends on the initial condition of the patient and the exposure time depends on responses of the patient.
4. EHF-Puncture permits one and the same acupoints to be «reinforced» or «dispersed» several times during the same treatment. Each time sensory reactions occur and decrease in intensity from one influence to another.
5. EHF-Puncture can stimulate different kinds of "Arrival of Qi phenomenon" without needle manipulation. Sensory reactions may even be observed in paralyzed extremities of patients with injury to the vertebral column.
6. The most important peculiarity of MM waves is their possibility to stimulate specific sensory reactions (phenomenon De Qi) not at the place of influence but at the place of Qi-disorders directly. So, it can be applied for influence on the corporal traditional acupoints as well as points of different Microsystems: Ear, Palm, Sole, Nose, Pulse, etc.

Thus, EHF-puncture, based on the syndrome approach of traditional Chinese medicine, represents a new and efficient method for treatment of various diseases, including those whose etiology and pathogenesis are unknown, while nosologic diagnosis is difficult to determine and treatment methods are undeveloped.