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DYNAGEN™ X4

Cardiac Resynchronization Therapy Defibrillator (CRT-D)

DYNAGEN™ X4 Cardiac Resynchronization Therapy Defibrillator (CRT-D)
EasyView™ header with color coded lead ports

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Product Details

Models G156 and G158

  • The DYNAGEN X4 CRT-D features 17 pacing vector options designed to avoid phrenic nerve stimulation and high thresholds.
  • Features EnduraLifeTM Battery Technology.
  • Includes the new EasyView™ header with color coded lead ports, designed to improve implant efficiency.
  • The world’s thinnest high-energy CRT-D on the market.

Offers an uncompromised set of features

  • An advanced system solution for patient comorbidities and HF monitoring (HF Perspectiv™ report, LATITUDE™ NXT Remote Patient Management with weight scale and blood pressure sensors, and Respiratory Rate Trend). 
  • AcuShock™Advanced Technology, multiple programmable options to reduce inappropriate and unnecessary shocks, including a choice of rhythm discriminators, antitachycardia pacing (ATP) therapy in all rates zones, and advanced sensing and filtering. 
  • RhythmID™ with RhythmMatch™ to allow customization of Rhythm ID algorithm to reduce inappropriate shocks. 
  • Wireless ECG to save time and simplify follow-up. 
  • SafetyCore™ technology intended to provide lifesaving shock therapy and basic pacing functionality in the event of an unrecoverable fault. 

Mechanical Specifications

ModelTypeSize (cm)
(W x H x D)
Mass
(g)
Volume
(cc)
Connector Type
(RA RV LV)
G158X4 CRT-D5.37 x 8.18 x 0.9973.832.5RA:IS-1; RV:DF4; LV:IS4
G156X4 CRT-D5.37 x 8.08 x 0.9973.432.0RA:IS-1; RV:IS-1/DF-1; LV:IS4

Longevity Information

  • For longevity calculations based on different settings please contact Boston Scientific technical services, your local representative or see https://www.devicelongevity.com/en-US/longevity-calculator-start.html.
  • Boston Scientific devices have a limited product warranty of 6 years in available geographies.
  • Devices use Li/MnO2 battery chemistry.
  • The usable battery capacity is 1.9 Amp-hours (typical implant to battery capacity depleted). 
  • Shelf life is 2 years (before use by). 
Pulse Generator Projected Longevity (All DYNAGEN X4 CRT-D Models a,b,c,d)

 Pacing Amplitude

Projected Longevity (years) at 500Ω and 700Ω
 Pacing Impedance (RV and LV) 
 
RA/RVLV500Ω700Ω
2.5 V3.0 V8.18.6
2.5 V3.5 V7.68.2
3.5 V3.5 V6.87.5
3.5 V5.0 V5.76.5

a Assumes ZIP™ telemetry use for 3 hours at implant time and for 40 minutes annually for in-clinic follow-up checks.

b Assumes standard use of the LATITUDE™ Communicator as follows: Daily Device Check on, monthly Full Interrogations (scheduled remote follow ups, and quarterly patient-interrogations).

c Assumes 70 bpm LRL; DDDR mode; 100% biventricular pacing; 15% atrium pacing and 0.4 ms pacing Pulse Width (RA, RV, LV); RA Impedance 500 Ω; sensors On.

d Projected longevity is calculated assuming 3 maximum energy charging cycles per year, including automatic capacitor re-forms and therapeutic shocks. For the final year of device service, an additional 5 charging cycles are assumed to account for additional automatic capacitor re-forms as the device approaches the Explant indicator. These calculations also assume 3-channel EGM Onset is set to On, and that the pulse generator spends 6 months in Storage mode during shipping and storage.

Reimbursement

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