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In this section general Warnings and Precautions are listed, that you should be aware of when using the
TensMed 931. See also chapter 4 for Warnings and Precautions, that apply to Muscle Stimulation
applications in particular.
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Federal law (USA only) restricts this device to sale by, or on the order of, a physician or licensed
practitioner.
This device should be used only under the continued supervision of a physician or licensed
practitioner.
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Do not operate the unit in an environment of short-wave or micro-wave diathermy use as this can
result in burns beneath the electrodes.
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Care must be taken when operating this equipment around other equipment. Potential
electromagnetic or other interference could occur to this or to the other equipment. Try to
minimize this interference by not using other equipment in conjunction with it.
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Electronic monitoring equipment (such as ECG monitors and ECG alarms) may not operate
properly when electrical stimulation is being utilized.
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This equipment is not suitable for use in the presence of flammable anaesthetic mixture with air,
oxygen, or nitrous oxide.
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This device should be kept out of the reach of children.
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Read, understand and practice the precautionary and operating instructions. Know the limitations
and hazards associated with using any electrical stimulation device. Observe the precautionary
and operational decals placed on the unit
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Do not operate the TensMed 931 when connected to any unit other than Enraf-Nonius BV
devices.
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This unit should be operated in temperatures between 10 °C and 40 °C (50 °F and 104 °F), with a
Relative Humidity ranging from 10%-90%.
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Do not expose the unit to direct sunlight, heat radiated from a heat radiator, excessive amounts of
dust, moisture, vibrations and mechanical shocks.
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In the case of ingress of liquids, unplug the unit from the mains supply and have it checked by an
authorized person (see the paragraph on technical maintenance).
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Do not use sharp objects such as a pencil point or ballpoint pen to operate the buttons on the
control panel as damage may result.
Before administering any treatment to a patient you should become acquainted with the operating
procedures for each mode of treatment available, as well as the indications, contraindications, warnings
and precautions. Consult other resources for additional information regarding the application of
electrotherapy.
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Relaxation of muscle spasms.
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Prevention or retardation of disuse atrophy.
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Increasing local blood circulation.
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Muscle re-education.
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Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis.
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Maintaining or increasing range of motion.
