Models D320, D321, D332, D333


Introducing the CHARISMA™ family of ICDs offering an extraordinary, holistic approach to cardiac care.

Key Resources



Product Details

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Models D320, D321, D332, D333

  • ENDURALIFE™ battery technology projected to last up to 17.5 years for VR devices and 16.0 years for DR devices.*
  • This small (29.5 cc) and thin (9.9 mm) high-energy device is designed to enhance patient comfort.
  • IMAGEREADY™ MR-Conditional Systems allow patients to receive full body MR-Conditional scans at 1.5T or 3T without exclusion zone, scan duration, or patient height restrictions.**
  • Atrial Arrhythmia Report provides a comprehensive view of your patient’s AT/AF status and information for assessing AFtreatment efficacy.
  • The PaceSafe™ RV, RA, and LV auto threshold feature is designed to maintain adequate output safety margins.
  • Offers AcuShock™ Advanced Technology, multiple programmable options to reduce inappropriate and unnecessary shocks,including a choice of rhythm discriminators, RhythmID™ with RhythmMatch™ (customization of Rhythm ID algorithm),antitachycardia pacing (ATP) therapy in all rates zones, and advanced sensing and filtering.
  • Wireless ECG saves time and simplifies follow-up.
  • EasyView™ header and color coded lead ports designed to make the implant experience more efficient.
  • SafetyCore™ technology is intended to provide lifesaving shock therapy and basic pacing functionality in the event of an unrecoverable fault.

* Assumes: 2.0V RA, 2.0V RV, 0% pacing, 700Ω, No LATITUDE, No Respiratory Rate Sensor, No Heart Failure Sensor Suite. 
** When conditions of use are met.

Mechanical Specifications

ModelTypeSize (cm)
(W x H x D)
Connector Type
D320VR5.37 x 7.79 x 0.9970.731.5RV: IS-1/DF-1
D321DR5.37 x 7.79 x 0.9971.031.5RA: IS-1; RV: IS-1/DF–1
D332VR5.37 x 7.36 x 0.9968.929.5RV: DF4
D333DR5.37 x 7.68 x 0.9971.431.0RA: IS-1; RV: DF4

Longevity Information

Pulse Generator Longevity (All Models a,b,c,d,e,f)

EnduraLife Battery Technology provides clinically proven, industry-leading projected longevity2-10. The following tables represent example pulse generator life expectancy estimation (implant to explant) as provided in product labeling. For specific programmable parameter ranges, refer to product labeling at, or contact Boston Scientific technical services or your local representative.

  Type Pacing Amplitude Pacing 500Ω with
700Ω with LATITUDE™c 900Ω with LATITUDE™c 700Ω no LATITUDE™, MV/RS, or HFSSd
Typical programmed setting VR 2.5 V 15% 15.0 15.1 15.2 17.1
Maximum labeled longevity VR 2.0 V / Off 0% 15.4 15.4 15.4 17.5
Typical programmed setting DR 2.5 V 15% 13.6 13.7 13.8 15.4
Maximum labeled longevity DR 2.0 V 0% 14.2 14.2 14.2 16.0

Additional Longevity Information

  • Warranty information available at
  • Devices use Li/MnO2 chemistry.
  • The Usable Battery Capacity is 1.8 Amp-hours (typical implant to battery capacity depleted).
  • Shelf life is 2 years (before use by).

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