Self-powered implantable device stimulates fast bone healing, then

The thin, flexible device is bioresorbable, so once the bone is knitted back together, the device’s components dissolve within the body.

Emerging Implantable Energy Harvesters and Self-Powered Implantable Medical Electronics

Piezoelectric and triboelectric nanogenerators: Promising technologies for self-powered implantable biomedical devices - ScienceDirect

New battery-free implant is powered by your body

Ultrasound-driven electrical stimulation of peripheral nerves based on implantable piezoelectric thin film nanogenerators - ScienceDirect

Biodegradable Implants for Internal Fixation of Fractures and Accelerated Bone Regeneration

Effective weight control via an implanted self-powered vagus nerve stimulation device

A self-powered implantable and bioresorbable electrostimulation device for biofeedback bone fracture healing

Orthopedic implants and devices for bone fractures and defects: Past, present and perspective - ScienceDirect

A self-powered implantable and bioresorbable electrostimulation device for biofeedback bone fracture healing