There are numerous medical devices used for providing health services. Every single phase of these devices such as selling, production, approval are regulated one by one. It is useful to emphasize the relevant parts of these regulations only in general terms. In addition, liability issues that are caused by medical devices should be evaluated from various perspectives. Firstly, defect liability might be discussed. Secondly, the issue might be examined within the context of product liability. Thirdly, it can be considered whether the users of a medical device are liable for damages resulting from these devices. In this context, it is possible to touch on the faulty liability of medical device users, liability of employers and liability for associates. Finally, it would be appropriate to consider in general the fact that a medical device could be an AI system (hardware/software) and its effects on the issues that are mentioned so far.