Sterile medical instrument charging device

A medical system, comprising:

• (a) a medical device, the medical device comprising:
• (i) a housing,
• (ii) an integral power source within the housing,
• (iii) an active element in communication with the integral power source, wherein the active element is operable to perform an operation on tissue in a patient, and
• (iv) one or more charging features extending from the housing, wherein the one or more charging features are removable from the housing;
• and
• (b) a charging device, the charging device being operable to communicate with the integral power source of the medical device via the one or more charging features to thereby charge the integral power source of the medical device, wherein the charging device further comprises one or more retention features configured to retain the one or more charging features of the medical device and thereby remove the one or more charging features from the medical device;
• wherein the integral power source is operable to provide power to the active element after the charging features are removed from the housing by the retention features.