Micra AV and Micra VR leadless pacemakers for bradyarrhythmia management

The Micra™ AV and Micra™ VR leadless pacemakers are implantable, programmable cardiac devices used to monitor and regulate a patient’s heart rate.

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Overview

 World's smallest

Model specifications

Parameter

Micra AV2

Micra VR3

Pacing mode

VVI, VVIR, VOO, OVO, VDD, VDI, ODO, OFF

VVI, VVIR, VOO, OVO, OFF

Mass

1.75 g

1.75 g

Volume

0.8 cc

0.8 cc

Electrode spacing

18 mm

18 mm

Battery longevity

8–13 years†2,4

12 years‡5

Accelerometer-based mechanical atrial sensing

Yes

N/A

Accelerometer-based rate response

Yes

Yes

MRI SureScan

1.5T & 3T

1.5T & 3T

CareLink remote monitoring

Yes

Yes

  

Meet our next generation of Micra leadless pacemakers:

Micra™ AV2 and Micra™ VR2

Micra AV2 and Micra VR2 transcatheter pacing systems for bradyarrhythmia management with abstract particles background
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Enter your ZIP code below to find a physician near you who is trained in Micra leadless pacing therapy. 

Medtronic 24-hour support

800-505-4636

Educational resources on Medtronic Academy

Access interactive courses, videos, and educational resources to extend your learning on Micra.

*

The single chamber Micra™ transcatheter pacing system is being described herein as Micra™ VR in order to distinguish it from the dual chamber (VDD) Micra™ AV product. When information in this document relates to both Micra AV and VR, “Micra™ transcatheter pacing systems” is used to represent the portfolio of devices.

Use conditions include:
8 years = 100% VDD pacing, 60 bpm, pacing threshold 1.5 V, impedance 500 Ω, pulse width 0.24 ms.
13 years = 15% VDD pacing, 70 bpm, pacing threshold 1.5 V, impedance 600 Ω, pulse width 0.24 ms.

Use conditions included: median pacing 53.5%, median pacing threshold 0.50 V, median impedance 543 Ω; 89% of patients with > 10-year projected longevity; 99% of patients with > 5-year longevity.5

References

1

Nippoldt D, Whiting J. Micra Transcatheter Pacing System Device Volume Characterization Comparison. November 2014. Medtronic data on file.

2

Medtronic Micra™ AV MC1AVR1 Device Manual. January 2020.

3

Medtronic Micra™ MC1VR01 Clinician Manual. October 2016.

4

Pender J, Whiting J. Micra AV Battery Longevity. January 2020. Medtronic data on file.

5

Duray GZ, Ritter P, El-Chami M, et al. Long-term performance of a transcatheter pacing system: 12-Month Results from the Micra Transcatheter Pacing Study. Heart Rhythm. May 2017;14(5):702–709.