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Sprain ankle is painful and inconvenient when going outdoors to climb and mountain biking,etc. In this case, the traditional solution is to fix the injured ankle with wooden bars and bandage.Then apply a cold compress with ice pack. Ankle Cool sheathing employs inflatable airbag to fix and reset the ankle,meanwhile cold ankle with inflated gasification of liquid nitrogen. To attain an effective colding,we are also expected to add gases to air bag accoring to scientific timetable and frequency. The portable product with relatively small volume can provide timely safety protection those who join in the outdoor recreation.
Dalian Minzu University
Dalian Nationalities University