| http://www.w3.org/ns/prov#value | - In the illustrated example this device 10 is a valve, but it is to be understood that any artificial device may be treated according to the present invention, such as pacemakers, artificial organs, artificial bones or parts thereof, teeth, etc. ' FIG. 1 schematically represents a part 12 of the body of a human being, this part 12 being composed of a body of tissue 14 covered with exterior skin l6.
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