NESHER, Israel--(BUSINESS WIRE)--NanoVibronix, a medical device company which develops innovative therapeutic ultrasound applications, announced that following its initial success with the first generation PainShield device for pain therapy, especially for the severe pain associated with Trigeminal Neuralgia, NanoVibronix presents its second generation PainShield with additional features for the therapy of chronic pain and wounds. PainShield is a small, portable device that produces low frequency, low intensity ultrasonic waves for healing of soft tissue such as tendon, chronic wounds and neuropathic pain.