What is the difference between the leakage current from the application section to ground via the patient and the current output from the application section to the patient during normal operation of

What is the difference between the leakage current from the application section to ground via the patient and the current output from the application section to the patient during normal operation of a Type BF device? Type B is applicable to the body surface, body cavity. Type BF stands for an instrument that is suitable for body surfaces and cavities but has insulated contacts; obviously, the part that connects to the heart must be an insulated contact part (type CF); (medical instruments that are not insulated, type C, practically do not exist

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