RESONATE™ X4 CRT-D and
RESONATE™ CRT-D

Cardiac Resynchronization Therapy Defibrillator

RESONATE X4-CRT-D-lead
RESONATE X4-CRT-D-lead

SmartCRT™ is Boston Scientific’s approach to personalise CRT therapy by providing physicians with smart solutions to optimise where, when, and how to pace. Heart Failure Sensor Suite provides multi-factorial, physiological, patient-specific data which can enable better informed decisions for treating HF patients. EnduraLife™ Battery Technology provides more power to use more of the device, featuring up to 13.3 years projected longevity with MultiSite Pacing turned on.* ImageReady™ MR Conditional Systems allow patients to safely undergo Full Body MRI scans up to 1.5T.**

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Product Details

RESONATE™ X4 CRT-D and RESONATE™ CRT-D

Models G424 and G447

 
  • RESONATE X4 CRT-D offers SmartCRT™ technology, enabling physicians to offer a personalised care approach to all patients, including a wide range of options of where, when and how to pace
  • EnduraLife™ battery technology can offer up to 14.7 years battery life1 and 13.3 years with MultiSite Pacing switched on1.
  • The X4 CRT-D and ACUITY™ X4 lead portfolio features electrodes on a 3D spiral designed to allow pacing from a basal location without sacrificing fixation or thresholds; 17 pacing vector options to manage around PNS and high thresholds; and multiple lead shapes with a 2.6F (0.86mm) tapered lead tip to improve predictability of accessing target vessels.
  • MultiSite Pacing allows 216 vector combinations to easily tailor device therapy, supported by automatic recommendations with the click of a button, for vectors and offsets in < 5 seconds.
  • The new Atrial Arrhythmia Report provides a comprehensive view of your patient’s AT/AF status and information for assessing AF treatment efficacy.
  • RightRate™ features Boston Scientific’s MV Sensor—the only sensor clinically proven to restore chronotropic competence.2
  • This small (32.5 cm3) and thin (9.9 mm) high-energy device is designed to enhance patient comfort.3
  • The PaceSafe™ RV, RA, and LV auto threshold feature is designed to maintain adequate output safety margins.
  • Heart Failure Sensor Suite with a set of tools such as: Sleep Incline, AP Scan, LATITUDE™ NXT Remote Patient Management with weight scale and blood pressure sensors and Respiratory Rate Trend, to provide an advanced solution for patient comorbidities and HF monitoring.
  • ImageReady™ with Full-body MR scans safely in 1.5 Tesla environments**.
  • 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.


Mechanical Specifications

Model
 		 Type
 		 Size (cm)
(W x H x D)		 Mass
(g)		 Volume
(cc)		 Connector Type
(RA RV LV)		 MR 
Conditional
G447 X4 CRT-D 5.37 x 8.18 x 0.99 73.8 32.5 RA:IS-1;RV:DF4;LV:IS4 Yes
G424 CRT-D 5.37 x 8.18 x 0.99 73.6 32.5 RA:IS-1;RV:DF4;LV:IS-1 No
 

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

EnduraLife™ Battery Technology provides clinically-proven, industry-leading projected longevity.*** The following tables represent sample pulse generator life expectancy estimation (implant to explant) with EnduraLife™ battery as provided in product labeling. For specific programmable parameter ranges, refer to product labeling at www.bostonscientific-elabeling.com, or contact Boston Scientific technical services or your local representative.

MultiSite Pacing Off

Projected
longevity		 Ventricular
Chambers		 RA/RV LV LVbᵉ 500Ω
with Latitude™ᶜ		 700Ω
with Latitude™ᶜ		 700Ω
no Latitude™,
MV/RS, or HFSSᵈ
Typical programmed setting BiV 2.5 V 3.0 V Off 9.7 10.5 11.3
Maximum labelled longevity LV-Only 2.0 V / Off 2.0 V Off 12.9 13.2 14.7
 

MultiSite Pacing On

Projected
longevity		 Ventricular
Chambers		 RA/RV LV LVbᵉ 500Ω
with Latitude™ᶜ		 700Ω
with Latitude™ᶜ		 700Ω
no Latitude™,
MV/RS, or HFSSᵈ
Typical programmed setting BiV MSP 2.5 V 3.0 V 3.0 V 8.2 9.1 9.7
Maximum labelled longevity LV-Only MSP 2.0 V / Off 2.0 V 2.0 V 11.5 12.1 13.3
 

Additional Longevity Information

  • Warranty information available at www.bostonscientific.com/warranty.
  • Devices use Li/MnO2 chemistry.
  • The Usable Battery Capacity is 1.9 Amp-hours (typical implant to battery capacity depleted).
  • Shelf life is 2 years (before use by date).
Top

1 Assumes: 2.0V RA, LV-only, 2.0V LVa, 2.0V LVb, 700Ω, No LATITUDE, No Respiratory Rate Sensor, No Heart Failure Sensor Suite
2. Chronotropic competence is defined by the Model of the Cardiac Chronotropic Response to Exercise. Wilkoff B, Corey J, Blackburn G. A mathematical model of the cardiac chronotropic response to exercise. Journal of Electrophysiology. 1989;3:176–180. Refer to the Physician’s System Guide for more information on adaptive-rate therapy. Additional clinical performance was assessed using INSIGNIA™ Ultra clinical data with the AutoLifestyle™ feature programmed On. Boston Scientific. Data on file. ALTRUA™ Pacemaker System Guide. 2008;1:20–25.monthly Full Interrogations (scheduled remote follow ups, and quarterly patient-interrogations).
3. Information excerpted from the EU technical manual published by Medtronic, St Jude, Biotronik and LivaNova.

a. Assumes 70 min-1 LRL; DDDR mode; 100% biventricular pacing; 15% atrium pacing and 0.4 ms pacing, Pulse Width (RA, RV, LV); sensors On, Heart Failure Sensor Suite On.
b. Assumes ZIP telemetry use for 2 hours at implant and for 40 minutes annually for in-clinic follow-up checks.
c. Assumes standard use of the LATITUDE™ Communicator as follows: Daily Device Check on, quarterly scheduled remote follow ups, and other typical interrogations.
d. Assumes LATITUDE™ Communicator is not used, Minute Ventilation (MV)/Respiratory Sensor is Off, and Heart Failure Sensor Suite is Off.
e. Applies to models with MultiSite Pacing (MSP).
f. Projected longevity is calculated assuming 2 maximum energy charging cycles per year, including automatic capacitor re-forms and therapeutic shocks. These calculations also assume 3-channel EGM Onset is on and that the pulse generator spends 3 months in Storage mode during shipping and storage.

* Assumes: 2.0V RA, LV-only, 2.0V LVa, 2.0V LVb, 700Ω, No LATITUDE™, No Respiratory Rate Sensor, No Heart Failure Sensor Suite.
** When conditions of use are met.
*** Nine independent studies confirm that CRT-Ds powered by EnduraLife™ Battery Technology offer industry-leading longevity.
www.bostonscientific.eu/enduralife

CAUTION: The law restricts this device to sale by or on the order of a physician. Indications, contraindications, warnings and instructions for use can be found in the product labeling supplied with each device. Information for the use only in countries with applicable health authority product registrations. Information not intended for use or distribution in France.

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