The affinity of collagen for the skin and its persistence on the skin are improved without destroying the triple helical structure inherent in collagen to thereby improve its ability to retain the moisture of the skin and increase the amount of bound water when such collagen is used as a skin cosmetic. The processor is configured to control delivery of stimulation to the patient using a plurality of electrode configurations. A lookup operation is performed in a hash table associated with a type of the header field value to identify a hash table entry. The annular cutting blade has a cutting edge located on an interior edge that has a shape of a circle.