

Laser light can soothe burned skin.
Wounds need to be closed as quickly as possible to avoid becoming infected, a particular challenge for diabetes patients.
Damaged nerves often prevent the timely detection of wounds and slower blood circulation negatively impacts the speed at which they heal.
Now, to accelerate the process, a US research team has developed an electronic, battery-free bandage that generates power through tiny movements.
A planar electrode stimulates skin cells around the wound site, upon which they migrate to the bed and close the wound.
Once healed, the electrode dissolves into the skin. Data from the process could, in future, be wirelessly transported in real time.
Both pacemakers and tracheal stents can come in biodegradable form, too.