Working principle: The electronic anesthesia circuit is shown in the figure below. Since the transistor oscillator is basically a constant current source, when two or more sets of outputs are simultaneously (such as four groups), if one set of output amplitude is large, then another The output of several sets of negative pulse parts is correspondingly reduced. This means that they will affect each other. This is very unfavorable for electrical anesthesia and must be avoided. In order to eliminate this shortcoming, a Zener diode is connected across the primary winding of the oscillator output transformer to function as a limiting voltage regulator. This allows several groups to work simultaneously without affecting each other, which is a must for anesthesia work. This can be used comprehensively, both for treatment and for anesthesia.
Since the positive pulse amplitude is obtained by boosting the power supply voltage through the transformer, it is possible to superimpose the positive pulses of several sets of outputs (in the forward direction). If four groups are simultaneously output, each group has a positive pulse amplitude of 60 mA (at 1 kΩ load). On the resistance), the two groups can be combined to obtain 100 mA in the forward direction; the three groups can be combined to obtain 130 to 150 mA (depending on the quality of the transformer). This method of superposition is not a proportional increase, nor can it be superimposed without limitation. Generally, it is more difficult to superimpose four groups, so that the output amplitude can be greatly improved. You can not specifically pursue the unilateral output amplitude, but you can increase the amplitude by superimposing. It is very advantageous to use it in some special occasions (such as a pacemaker if it is superimposed).
In the figure, the potentiometers RP1, RP2 are frequency adjustment potentiometers, and the frequency can be varied within the range of 2 to 50 Hz. Potentiometers RP3 ~ RP10 can adjust the output amplitude.
Medical Cold Patch
Patch for diarrhea
[Name] Medical Cold Patch
[Package Dimension] 5cm 4pieces/box
The pain relief patch is composed of three layers, namely, backing lining, middle gel and protective film. It is free from pharmacological, immunological or metabolic ingredients.
[Scope of Application] For cold physiotherapy, closed soft tissue only.
[Indications]
The patches give a fast relief for diarrhea.
[How To Use a Patch]
Please follow the Schematic Diagram. One piece, one time.
The curing effect of each piece can last for 6-8 hours.
[Attention]
Do not apply the patch on the problematic skin, such as wounds, eczema, dermatitis,or in the eyes. People allergic to herbs and the pregnant are advised not to use the medication. If swelling or irritation occurs, please stop using and if any of these effects persist or worsen.notify your doctor or pharmacist promptly. Children using the patch must be supervised by adults.
[Storage Conditions]
Store below 30c in a dry place away from heat and direct sunlight.
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