Chattanooga® Continuum™ TENS/NMES Portable Stimulator Kit — 2 Channel

The Chattanooga® Continuum™ is a portable, prescription electrical-stimulation system combining TENS for clinician-directed pain-management programs with NMES for muscle contraction, activation, and neuromuscular re-education.

Its distinctive 1+1 channel design allows the two output channels to be managed independently. A clinician can select the same program for both channels or operate two different programs at the same time. This makes the continuum particularly useful when a rehabilitation plan combines sensory stimulation with active exercise, muscle activation, or task-specific movement.

The Continuum includes 13 preset regimens and two customizable regimens across its TENS and NMES functions. Treatment time, waveform, pulse rate, pulse duration, cycling pattern, off time, ramp time, and contraction time can be adjusted by the clinician according to the treatment plan.

The Chattanooga Continuum should be selected, programmed and used under the supervision of a licensed healthcare professional. The product is reserved for healthcare professionals, although a properly instructed patient may use it at home as part of a prescribed program.

For complete operating instructions, read our Chattanooga Continuum User Guide.

• Portable TENS and NMES combination stimulator
• Two independently controlled output channels
• The same or different programs can operate on the two channels
• Thirteen preset regimens
• Two customizable regimen slots
• Symmetrical and asymmetrical waveform options
• Adjustable pulse rate and pulse duration
• Adjustable NMES ramp, contraction and rest timing
• TENS Simple Modulated Pulse and modulation-based programs
• Large-muscle and small-muscle NMES programming
• Remote hand switch included
• Optional heel/foot switch available
• Built-in belt clip
• Pull-out kickstand
• Powered by two AA batteries
• Designed and assembled in the United States
• FDA Class II medical device
• Prescription use only

The device is designed and assembled in the USA and documents its independent channels, program customization, hand-switch compatibility, optional heel switch, and AA-battery operation.

The FDA’s current establishment listing connects the Chattanooga Continuum and Continuum Kit to K093324, the original 510(k) clearance for the Empi Continuum platform.

Most portable dual-channel stimulators apply one selected mode across both channels. The Continuum gives the clinician more control by treating each channel as a separate programmable output.

This independent operation is the Continuum’s central differentiator. The Chattanooga device has channels that can use the same program or two different programs simultaneously, allowing one device to support electrotherapy across multiple stages of rehabilitation.

TENS and NMES both deliver current through surface electrodes, but they are intended to produce different responses.

Read TENS vs. NMES: Differences, Uses, and Device Selection for a complete modality comparison.

The cleared NMES indications include the following:

• Retarding or preventing disuse atrophy
• Maintaining or increasing range of motion
• Re-educating muscles
• Relaxation of muscle spasms
• Increasing local blood circulation
• Prevention of venous thrombosis of the calf muscles immediately after surgery

The last indication is a specialized postoperative application and should only be used under an appropriate medical order and protocol.

The cleared TENS indications include the following:

• Symptomatic relief and management of chronic, intractable pain
• Adjunctive treatment for post-surgical and post-traumatic acute pain
• Relief of pain associated with arthritis

TENS provides symptomatic support; it does not cure arthritis, repair injured tissue, or eliminate the underlying cause of pain.

The underlying clearance also includes stimulation of leg and ankle muscles in partially paralyzed patients to assist foot flexion and gait. The optional heel switch is intended to help coordinate muscle stimulation with the walking cycle during clinician-directed functional rehabilitation.

The Continuum includes 13 manufacturer-programmed regimens plus two custom regimen slots.

The preset and customizable options cover:

• Large-muscle NMES
• Small-muscle NMES
• TENS Simple Modulated Pulse
• TENS modulation programs
• Clinician-selected symmetrical waveforms
• Clinician-selected asymmetrical waveforms
• Continuous or cycled stimulation
• Adjustable treatment duration
• Adjustable pulse rate
• Adjustable pulse duration
• Adjustable ramp time
• Adjustable contraction time
• Adjustable relaxation or off time

The clinician can program the device and limit the patient’s ability to alter selected parameters, helping a home program remain consistent with the prescribed setup. 13 presets and two customizable programs.

The presence of both waveform options does not mean one is universally stronger or better. The clinician should choose the waveform, pulse settings, and intensity that produce the intended sensory response or muscle contraction.

The Continuum identifies separate large-muscle and small-muscle NMES regimen categories. Both are intended to provide controlled neuromuscular stimulation, but the programming is adapted to different muscle sizes and rehabilitation goals.

Program selection alone does not guarantee a useful contraction. Electrode placement, pad size, intensity, muscle position, and active patient participation all affect the response.

The Continuum’s balanced waveforms are capable of producing strong muscle stimulation while limiting the sharp or spiking sensation associated with less comfortable waveforms. This may allow a patient to tolerate a higher therapeutic intensity when an effective contraction is the goal.

An NMES contraction should be

• Clearly visible or palpable
• Directed to the intended muscle
• Strong enough to meet the prescribed goal
• Tolerable for the programmed contraction time
• Followed by sufficient rest

The stimulation should be reduced or stopped if it becomes sharp, burning, or painful or produces an unintended movement.

The 2630 Continuum Hand Switch is included with the 2600-KIT.

The handheld remote can activate stimulation without pressing buttons on the main device. It may be operated by:

• The treating clinician
• The patient
• A caregiver following the treatment plan

This is useful when stimulation must be coordinated with a repeated exercise, movement, or functional task.

The Continuum Heel/Foot Switch, part 2645, is sold separately.

When positioned inside the user’s shoe, the switch can trigger muscle stimulation in response to foot contact. Chattanooga identifies it for gait training and drop-foot applications.

The optional switch does not make the system an automatic substitute for an ankle-foot orthosis. Device selection should reflect neurological status, gait assessment, patient preference, and professional recommendations.

The Continuum is powered by two standard AA batteries and includes features for stationary or movement-based treatment.

The device measures approximately 1.26 × 3.3 × 4.5 inches and weighs 226.8 grams with batteries installed.

Chattanooga publishes the following peak-voltage values for the principal TENS and NMES regimen categories:

These are electrical output specifications under stated resistance loads—not recommended intensity settings. The patient’s treatment level must be adjusted according to the prescription, electrode size, placement, tolerance, and desired response.

Chattanooga’s current official list for part 2600-KIT includes the following:

The Continuum kit includes two pin-style cables. Replacement electrodes must match those lead-wire connectors and be appropriate for the selected TENS, NMES, or functional-stimulation setup.

Balego TENS/NMES/FES electrodes are reusable hydrogel pads made in the USA from American-made raw materials and are available in several sizes. Connector compatibility should be confirmed before ordering.

A larger pad spreads the current over more skin. A smaller pad provides more focused placement but may feel more concentrated at the same output level.

Browse the full electrotherapy electrode collection for additional sizes and connector styles.

Choose Continuum when remote-triggered contractions, independent programs, and functional gait applications are priorities.

Choose Continuum when switch control and functional rehabilitation are central to the program.

The Balego EMS Digital is the more straightforward choice when only NMES is required. It includes adjustable pulse width, rate, ramp, contraction time, rest time, and treatment timer.

The Continuum may be a strong fit for the following:

• Physical therapists developing clinic-to-home programs
• Occupational therapists coordinating stimulation with functional tasks
• Rehabilitation providers who need independent dual-channel programming
• Clinicians combining pain-focused TENS with active NMES exercise
• Neurological rehabilitation involving switch-triggered movement
• Gait-training programs using the optional heel switch
• Postsurgical rehabilitation requiring prescribed muscle re-education
• Patients who prefer replaceable AA batteries to rechargeable packs
• Clinics replacing or continuing an existing Empi Continuum workflow

• Only basic TENS is needed.
• Only dedicated NMES is needed.
• Rechargeable power is required.
• Four stimulation channels are required.
• IFC or Russian stimulation is part of the care plan.
• Body-part presets are preferred over clinician-created regimens.
• A lead-wire-free wearable stimulator is required.
• No clinician is available to select and program the treatment.

Browse Balego TENS units and NMES muscle stimulators to compare additional options.

This summary does not replace the Chattanooga manual or the treating clinician’s instructions.

1. Confirm that the clinician has selected and programmed the prescribed regimen.
2. Install two suitable AA batteries.
3. Connect the pin cables to the device.
4. Attach compatible electrodes to the cables.
5. Apply the electrodes to clean, dry, and intact skin at the prescribed locations.
6. Power on the Continuum.
7. Select the programmed TENS or NMES regimen.
8. Increase each channel independently to the prescribed sensory or motor level.
9. Use the hand switch or optional heel switch when included in the program.
10. Stop treatment and turn the output off before moving or removing electrodes.
11. Return reusable electrodes to their liners and store them according to their instructions.

For step-by-step use, safety-lock instructions, and troubleshooting, consult the Chattanooga Continuum User Guide.

The Chattanooga Continuum is a prescription electrical-stimulation device.

Use it only:

• Under a licensed practitioner’s order
• With the prescribed program and parameters
• With compatible lead wires, electrodes and switches
• On electrode locations approved by the clinician
• In accordance with the current user manual
• At an intensity that produces the intended response without pain

Do not independently modify a clinician-programmed regimen or use the device for an undiagnosed condition.

Stop treatment and seek professional guidance if stimulation causes the following:

• Burning or sharp pain
• Persistent skin irritation
• Unexpected or uncontrolled muscle movement
• Increasing pain or neurological symptoms
• Dizziness, faintness or another unusual response
• Intermittent output from a damaged cable or electrode

The Chattanooga Continuum TENS/NMES Stimulator Kit is best suited to clinician-directed programs that require the following:

• Two independently programmable channels
• TENS and NMES in one portable unit
• Thirteen preset regimens
• Two custom regimens
• Simultaneous use of different channel programs
• Adjustable waveforms and treatment timing
• Included hand-switch activation
• Optional heel-switch gait triggering
• Replaceable AA battery power
• Clinic-to-home program continuity
• A device designed and assembled in the USA

Choose the Continuum when independent channel programming and functional switch control are more important than rechargeable power or a large body-part-preset library.

For detailed instructions, visit the Chattanooga Continuum User Guide.

For compatible supplies, browse Balego TENS/NMES/FES electrodes, electrotherapy electrodes, TENS devices, and NMES stimulators.