New biodegradable PFO closure device shows early potential

The novel biodegradable PFO closure device is primarily composed of a device support frame, a flow-blocking membrane, suture thread, a shape ring (yellow arrow), and shape thread (white arrows). A: Unlocked device. B: Locked device. Images and caption courtesy of Circulation.

The novel biodegradable device is primarily composed of a device support frame, a flow-blocking membrane, suture thread, a shape ring (yellow arrow), and shape thread (white arrows). A: Unlocked device. B: Locked device. Images and caption courtesy of Circulation.

Researchers tracked patients for two years, using echocardiography to confirm the devices had completely vanished. Additional studies will still be required.