Scientists from Northwestern University in the US have developed a cooling implant that makes the process of rehabilitation after surgery less painful. It cools the nerves inside the body, and it is this one that reduces the level of pain.
The device is placed next to the area of the body that has undergone surgical manipulations, already at the very end of the operation. Its task is to cool the nerves located near the site of manipulation from a normal body temperature of approximately 37C to 10C. The bottom line is that this will stop sending pain signals to the brain in much the same way that ice compresses can be achieved with injuries.
Dental implant went into the nose and caused sinusitis
After a few weeks, when the patient recovers and no longer needs pain relief, the implant, which looks like a long strip of soft plastic, will disappear. At the same time, it will not need to be removed, since it will naturally dissolve and come out with the waste products of the body. The authors of this gadget claim that it will help to reduce the use of powerful and dangerous side-effects of opioid analgesics, which are required for patients recovering from major surgeries like spinal manipulations.
World's first implant against chronic pain created
Such drugs include morphine, oxycodone and tramadol – all of which cause psychological and physiological dependence, although they relieve acute pain. It is especially dangerous to take them for more than a few weeks in a row. These drugs stimulate the production of endorphins, pleasure hormones that reduce pain. (READ MORE) 
Northwestern University
Medicine
a private research university located in the northern suburbs of Chicago – the city of Evanston, Illinois