Recharge-free system InterStim™ II Neurostimulator for Bladder Control and Bowel Control


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Medtronic InterStim II Device for sacral neuromodulation.


The InterStim™ II system is the only recharge-free, long-term therapy that lets you get full-body* MRI scans.

The implanted InterStim™ II system electrically stimulates the sacral nerve, which is thought to normalize neural communication between the bladder and brain and between the bowel and brain.1,2

Product details

Interstim II with lead product

The recharge-free InterStim™ neurostimulator streamlines the implant procedure with a design that eliminates the need for the lead extension and uses fewer set screws.

  • Connects directly to the lead, eliminating need for an extension
  • Accommodates three lead sizes: 28 cm, 33 cm, and 41 cm
  • Compatible with a lead insertion indicator in the lead
  • Integrates strain relief in the header
  • Incorporates radiopaque identification of manufacturer and model number
  • Allows 1-screw implantation
  • Allows full-body MRI scans for patients who need them*

Model specifications




Battery type



22 g 


44 mm


51 mm

System components

Ful Implant Components

  • InterStim™ SureScan™ MRI lead model 978B1
  • InterStim™ smart programmer 
Advanced Evaluation Components
Note: Previous models of the InterStim™ system and the InterStim™ II system requires the N'Vision™ clinician programmer and InterStim iCon™ programmer.

Life without limits

The Interstim™ II system may be suitable for most people because it's simple, convenient and lower maintenance.3

MRI  eligibility

Get the details on specific MRI compatibility for neuromodulation therapies.

Get the details


Search for downloadable product manuals by product name or model number.

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Under certain conditions; see approved labeling for details. Patients with InterStim™ MRI Leads only.


Leng WW, Chancellor MB. How sacral nerve stimulation neuromodulation works. Urol Clin North Am. 2005;32:11-18.


Patton V, Wiklendt L, Arkwright JW, Lubowski DZ, Dinning PG. The effect of sacral nerve stimulation on distal colonic motility in patients with fecal incontinence. Br J Surg. 2013;100:959–968.


De Wachter S. et al New Technologies and Applications in Sacral Neuromodulation: An Update Adv Ther 37, 637-643 (2020).

See the device manual for detailed information regarding the instructions for use, indications, contraindications, warnings, precautions, and potential adverse events. If using an MRI SureScan® device, see the MRI SureScan® technical manual before performing an MRI. For further information, contact your local Medtronic representative and/or consult the Medtronic website at website 

For applicable products, consult instructions for use on

Manuals can be viewed using a current version of any major internet browser. For best results, use Adobe Acrobat® Reader with the browser.