stressed that the examples given are not limited to these but that within this scope many varieties are possible for the usage of this product which are at hand for a professional in this field for example the present invention may be used in treating sports or work related injuries also the invention may be used to induce hypothermia so as act as a substitute for anesthesia in conjunction with certain medical procedures where anesthesia may be found to be inappropriate or hazardous or may be used to reduce fevers in patients with conditions that often include high fevers as a symptom or a result thereof the principles preferred embodiments and modes of operation of the present invention have been described in the foregoing specification however the invention to be protected is not limited to the particular embodiments disclosed the embodiments described herein are illustrative rather than restrictive variations and changes may be made and equivalents employed without departing from the spirit of the present invention for example the invention may be applied not just to human beings but also to animals accordingly it is expressly intended that all such variations changes and equivalents which fall within the spirit and scope of the present invention as disclosed and claimed be embraced thereby 1 a device for controlling or changing the temperature of certain body parts comprising at least one sleeve element formed to.