This is action of impulse current, with a sawtooth pulse shape, at the acupuncture points. Do you know the complex of points? For a better explanation, one must see the patient's medical history.
I dont know but i can ask about it the nigerian students in our university. Also good result gives the physiotherapy. If you are interesting in it i can describe for you the devices to treat arthritis and the acupuncture technology.
For anesthesia, the apparatus "amplipulse" is usefull.
If you'd like I can send you the groups of acupuncture points for arthritis treatment. The Laser therapy by acupuncture points has good effect. And needle therapy also helps patients.
I only don't know can you find these devices in your country?
The term arthritis means pain and inflammation that may be associated with a series of rheumatic and non-rheumatic diseases as well . What type of arthritis are you referring to?
There is another way of non-drug treatment of the arthritis: radon baths. This is the method of balneology. Example: Article The Therapeutic Use of Radon: A Biomedical Treatment in Euro...