Permobil has released a firmware/software update for its SmartDrive power-assist system for self-propelled manual wheelchairs. In a July 31 announcement, the manufacturer said the update “is now available for download via the PushTracker mobile app or the SmartDrive MX2+ wearable apps. “SmartDrive Firmware v3.3 introduces wire control detect and decreases the default power assist timeout.…