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Same day dispatch
Professionally endorsed

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Digital TENS Device – How It Works To Relieve Pain

An elderly woman using TENS in her wrist while sitting and reading

Pain is an unfortunate reality for many people. Traditional pain control methods often involve the use of medication, which can come with undesirable side effects. However, there is a non-invasive, natural pain relief that is rapidly gaining popularity: the Transcutaneous Electrical Nerve Stimulation or the digital TENS device. The machine works by delivering electrical impulses with the use of electrode pads. Accordingly, the unit functions based on two mechanisms: the Pain Gate Theory and the release of natural painkillers.

Living with chronic pain or acute pain conditions can be debilitating. Whether it is from an injury or chronic condition, pain can affect the overall quality of life. Traditional pain management method often involves prescription medications that come with a host of side effects and risks. However, advancements in technology present an alternative solution that does not involve drugs. This article will present how the TENS device works, its modes of operation, and where to buy the tool.

How a Digital TENS Device Works

A digital TENS device is developed to provide an effective pain relief solution. Generally, it functions by delivering low-level electrical current to the body through electrode pads. The digital TENS machine works based on the Pain Gate Theory. The mechanism suggests that the human body has a limited capacity to perceive sensations.

When the electrical impulses stream, they stimulate the sensory nerves in the area. These nerves transmit signals to the brain faster than pain signals, overriding the pain sensations. TENS therapy can also trigger the release of endorphins. These are the natural pain relievers produced by the brain and spinal cord. The approach can reduce pain perception and create a sense of well-being.

The electrical stimulation has selectable options of Low-Frequency (LF) or High-Frequency (HF). LF TENS settings stimulate the release of endorphins. This is vital for chronic pain like neck pain, joint pain, fibromyalgia, and arthritis. HF settings stimulate the sensory nerves to overwhelm pain messages. This is beneficial for acute conditions like sports injuries and period aches.

Types of the Device

The following are the types of TENS devices:

  • Single Channel – this type has only one channel. It means that it can deliver electrical stimulation to only one area of the body at a time. This is suitable for people who need relief in a specific area.
  • Dual Channel – it can provide electrical pulses to two separate body areas simultaneously. It has two outputs, allowing to target and manage aches in two different areas.
  • Multi-Channel – this device takes it a step further by offering more than two channels. The approach allows the user to stimulate multiple body areas concurrently, providing relief to various regions simultaneously.

A wireless pain relief unit from iTENS Australia

Modes of Operation for Digital TENS Devices

The digital TENS device typically offers multiple stimulation modes of operation to provide different types of therapy and accommodate various needs. One is the continuous mode. This approach delivers a steady and consistent impulse to target the area. Another is the burst mode. This sends rapid pulses of electrical stimulation followed by a short pause. Thus, it mimics the natural firing of nerve impulses.

Next is the modulation mode. The digital TENS machine varies the frequency, intensity, or both in a recurring manner. This approach is to prevent the body from adapting to a specific stimulation pattern, which could reduce the effectiveness of therapy over time. As such, the mode aims to keep the nervous system responsive to the TENS therapy, maximising its benefits.

Also, there is a strength or duration mode. This method allows users to adjust both the intensity and duration of each electrical pulse. By customising such, it is possible to target specific types of conditions or certain areas more effectively. Moreover, there is a combination of modes. This provides additional versatility and options to suit specific needs.

How to Use TENS

Using a TENS unit is relatively straightforward. Start by familiarising the features and controls of the machine. Then, before applying the electrodes, clean the surface area. Use mild soap and water to remove any dirt. Afterwards, take the pads and place it on the skin. It is vital to know the correct electrode placement and what areas to avoid.

Adjust the settings, mainly the frequency, intensity, and duration. Some devices have pre-set modes to choose the suitable program. At the start of the therapy, the unit will deliver electrical pulses through the electrodes. The recommended duration is between 15 to 20 minutes.

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Where to Buy a Digital TENS Device

With the effectiveness of digital TENS devices, people often seek where to buy such units. Fortunately, there are many options to purchase the machine. One option is to visit a physical store, whether a medical supply or a pharmacy. In-stores allow buyers to personally visit and browse a variety of TENS products. This gives a better idea of the features and quality of the unit.

Additionally, buying from a physical store provides the benefit of having the product available immediately. Also, buyers can interact with a sales representative who can offer expertise and guidance in choosing the best TENS. Another option is buying from an online store like iTENS Australia. This platform offers several digital TENS machines and accessories to choose from.

Online shopping allows buyers to purchase TENS from the comfort of their homes. Also, such platforms can provide detailed descriptions and customer reviews for each product. This information is helpful in choosing the right unit. Moreover, it is delivered directly to the doorstep. It eliminates the need to travel to a physical store.

Advantages of Owning a Personal Unit

Owning a personal TENS unit comes with several advantages. Firstly, it offers convenience as users can use it in the comfort of their own home. This eliminates the need for frequent visits to a healthcare facility or clinic for pain management. Secondly, personal TENS are cost-effective as they provide long-term savings by reducing expenses on medication or professional treatments.

Additionally, owning a TENS unit allows individuals to have control over their own pain management. Users can adjust the intensity and frequency of the electrical impulses to meet specific needs. Lastly, TENS units are known to be non-invasive, making them a safe alternative for pain relief.


A digital TENS device is an effective tool for managing chronic, acute, and other nerve-related conditions. People opt for such an approach due to its non-invasiveness and drug-free method. It works by sending electrical pulses with the use of electrode pads to stimulate the nerves. Also, it functions based on the mechanisms of Pain Gate Theory and the release of endorphins. Moreover, the stimulation can be continuous, burst, modulation, strength, and combination modes.

The unit is beneficial, and people may purchase it in physical and online stores. As such, the types of the tool can be handheld, wireless, dual channel, and devices with pre-set programs. iTENS Australia offers a wide range of wireless and rechargeable devices and accessories. Nevertheless, the convenience and accessibility of the unit make it a popular choice for treating different conditions. Owning a personal device is preferable to have immediate access to pain relief.

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