Medical devices for the delivery of a medicament such as insulin, insulin mimetic, hormones, glucagon and analgesics; Transdermal drug delivery patch or pad for assisting the delivery of at least one or more doses of a medicament or of insulin, insulin mimetic, hormones, glucagon and analgesics sold without medication; Transdermal drug delivery patch or pad in use with an infusion pump or drug delivery device for the subcutaneous drug delivery of at least one or more doses of a medicament or ...