The RS-4i Plus Sequential Stimulator with Intersperse combines high-frequency Interferential therapy for long-lasting pain relief with neuromuscular electrical stimulation (NMES) for muscle rehabilitation.

• Excites the body’s natural endorphin production to relieve pain
• Provides rehabilitative muscle therapy to reduce spasms, increases circulation, and prevent disuse atrophy
• 5000 Hz high-frequency stimulation penetrates deep into soft tissue
• At-home, self-managed treatment
• 78 pre-programmed treatments

​Indications for Use:

• Relieve acute pain
• Relieve/manage chronic pain
• Reduce muscle spasm
• Re-educate muscle
• Reduce muscle atrophy
• Increase blood circulation
• Prevent venous thrombosis​

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The RS-4i Plus requires a prescription from your healthcare provider. 
If you already have a prescription, upload it here. Or download our discussion guide and talk to your provider about whether the RS-4i Plus Sequential Stimulator can help you.

download the guide

RS Medical is unable to bill insurance for purchases but can provide a receipt for customers who wish to discuss reimbursement with their insurance providers. RS Medical devices are FSA/HSA eligible.  ​