タイトルまたは説明
TENS introduction:
TENS is considered a method of pain
relief,and has a wide following for use in obstetric care,
particularly labour.
What is TENS: Transcutaneous Electrical Nerve
Stimulator, more commonly referred to as a TENS unit and pronounced
tens, is an electronic device that produces electrical signals used
to stimulate nerves through unbroken skin.The name was coined by
Dr.Charles Burton. The unit is usually connected to the skin using
two or more electrodes.A typical battery-operated TENS unit
consists of a pulse generator, small transformer,frequency and
intensity controls, and a number of electrodes.Uses of TENSTENS is
considered a method of pain relief, and has a wide following for
use in obstetric care, particularly labour.In palliative care and
pain medicine, TENS units are sometimes used in an attempt to
alleviate neuropathic pain (pain due to nerve
damage).
TENS
Indications:
Muscle strain, cervical
spondylosis, frozen shoulder, arthritis, lumbar disc disease, acute
and chronic soft tissue injury and to relax muscles, reduce fatigue
and promote blood circulation and others.
TENS
Functions:
This physical therapy device can used for
massager,health care and relieve pain,treat some common
diseases,for example: rheumatoid arthritis, muscle aging, stiff
neck, cervical spine disease, degenerative joint disease, lumbar
hypertrophy
TENS therapeutic
Principle:
The gate control theory of pain was put forward by
Ronald Melzack and Patrick Wall in ***5. They proposed that there
was a “gate” mechanism in the central nervous system that opened to
allow pain messages through to the brain and closed to prevent them
getting through.
When we feel pain, such as when we touch a hot
stove, sensory receptors in our skin send a message via nerve
fibres (A-delta fibres and C fibres) to the spinal cord and
brainstem and then onto the brain where the sensation of pain is
registered, the information is processed and the pain is
perceived.
The gate theory says that as these pain messages
come into the spinal cord and the central nervous system (before
they even get to the brain), they can be amplified, turned down or
even blocked out.There are many accounts of how people injured on
the battlefield or in sports games don’t feel any pain from their
injuries until afterwards. This has to do with the brain being busy
doing other things and shutting the gate until it can pay attention
to the messages.
Large diameter nerve fibres (A-beta fibres) responsible
for transmitting signals of touch to the brain have the ability to
close the pain gate and so block signals from other smaller
diameter nerve fibres which transmit pain.
An example of this would be when a child falls over and
hurts their knee *-if they rub the knee, the signal from that
sensation of touch temporarily blocks the pain signal travelling
from the injured knee to the brain.
TENS Features:
1. Operate
easily.
2. Unique pulsed waveform
to provide soft and comfortable treatment experience.
3. Electrodes with
heating function and adjustable intensity of
treatment.
4. Silicon electrodes
with durability and safety.
5. Multiple prescription
programs for different treatment purposes.
6. Treatment modes can be
selected based on the treated part.
7.The
built-in treatment programs can be selected in a one-touch
auto-therapy.
TENS Applications:
1. Relaxation of Muscle spasm.
2.Prevention or Retardation of disuse
atrophy.
3.Increasing local blood circulation.
4.Muscle re-education.
5.Immediate post-surgical stimulation of calf muscles
to
6.Prevent venous thrombosis.
7.Maintaining or increasing range of
motion.
TENS caution:
1. if you have a
pacemaker fitted or you have a severe heart
disorder;
2. if you have epilepsy
and you are using the machine alone;
3. if you are in the
first trimester of pregnancy (at least not around the
abdomen);
4. over the front of your
neck or over your face;
5. over an area of broken
skin; and if you have a cochlear implant hearing
device.
6. Always check with your
doctor if you are thinking of using TENS or any other form of
self-treatment.
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