For some pain patients an analog tens unit is preferred over a digital tens unit. This video shows the difference between the two types of tens units and also how to use an analog tens unit. Bob discusses the reasons patients have a preference for the analog type tens unit and how to use analog tens units of different manufacturers. The basics of a tens unit are generally the same as this tens video points out.
For many patients with impaired, or poor vision, a digital tens unit is not functional since the patient can not see the small screen so the analog tens unit is preferred. The analog tens unit involves only touching and turning the buttons versus pushing buttons and watching a screen to see how to change the different functions such as rate, width, power, modulation, burst modes etc. The small tens unit screen is not easy to see, nor for many, easy to understand the many symbols showing how to work the tens unit. The analog tens unit has at most 5 buttons and one lever switch which once set may be never used again or, if used, very infrequently.
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