No, I want the knocking devices that all implement the universal standard to be sold for $10 on Amazon, and for the patient to be sent home with 2 when they get

No, I want the knocking devices that all implement the universal standard to be sold for $10 on Amazon, and for the patient to be sent home with 2 when they get their device implanted. I was under the impression that mostly medical care providers would be interacting with the device. If there are truly a significant number of cases where untrained people use strong magnets to disable malfunctioning implants, then perhaps my tradeoff is wrong.