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Peripheral Nerve Stimulation

The Freedom® Peripheral Nerve Stimulator (PNS) System is indicated for pain management in adults with severe, intractable chronic pain of peripheral nerve origin, as the sole mitigating agent, or as an adjunct to other modalities of therapy used in a multidisciplinary approach.
 
Freedom PNS System
 

The Freedom system uses High Frequency-Electromagnetic Coupling (HF-EMC) technology to power the implanted neurostimulator.

 

  • Each stimulator comprises of an electrode array(s) with four or eight contacts, and the electrode array(s) is connected to a separate implanted receiver(s).

  • A small, external rechargeable transmitter supplies the power and data to the implanted neurostimulator through the skin.

  • The device uses pulsed electric current to create an electrical field that acts on nerves to inhibit the transmission of pain signals to the brain.

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Clinical Literature
 

"Animal, human, and imaging studies have demonstrated the peripheral and central analgesic mechanisms of PNS by modulating the inflammatory pathways, the autonomic nervous system, the endogenous pain inhibition pathways, and involvement of the cortical and subcortical areas.." 

-Pain Medicine 2020
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How does PNS Work?

"PNS has been shown to be safe and effective in treating chronic pain at different sites with sustained pain relief for up to 24 months. This study is unique in providing long-term follow-up data.." 

-Journal of Pain Research 2023
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Efficacy of Peripheral Nerve Stimulation

Meta-Analysis on Peripheral Nerve Stimulation

"Peripheral nerve stimulation was studied in 14 RCTs for a variety of painful conditions (headache, shoulder, pelvic, back, extremity, and trunk pain). Moderate to strong evidence supported the use of PNS to treat pain.." 

-Pain Medicine 2020
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Systematic Review of Peripheral Nerve Stimulation

"The findings of this systematic review suggest that PNS may be effective in managing chronic headaches, postamputation pain, chronic pelvic pain, and chronic low back and lower extremity pain, with variable levels of evidence in favor of this technique"

- Pain Physician 2021
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ASPN Coverage Guidelines

"Current evidence from high-quality RCTs combined with newer technologies facilitating less invasive and easier electrode placement make PNS an attractive option for physicians and patients in the management complex pain disorders." 

-Journal of Pain Research 2022
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Surgical Video - Suprascapular Nerve
Permanent Placement of a Peripheral Nerve Stimulator at the Suprascapular Nerve for Shoulder Pain.



 

Surgical Video - IPS Nerve
Permanent Placement of a Peripheral Nerve Stimulator at the Infrapatellar Saphenous Nerve for Knee Pain. Potential salvage option for persistent pain after knee replacement.
Surgical Video - Middle Cluneal Nerve
Permanent Placement of a Peripheral Nerve Stimulator at the Middle Cluneal Nerve for Low Back & Sacral Pain.
 
Surgical Video -Posterior Tibial Nerve
Permanent Peripheral Nerve Stimulation of the Posterior Tibial Nerve for Chronic Lower Extremity Pain.
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