Is the heart stent a product of medical devices? Why?

It is a medical device, which belongs to the category of "implant materials and artificial organs" in the Catalogue of Medical Devices. Stent products also include vascular stents, prostate branches, biliary stents and so on.

Definition of medical devices: refers to instruments, equipment, appliances, materials or other articles used for human body alone or in combination, including required software; Its effects on human body surface and in vivo are not obtained by pharmacological, immunological or metabolic means, but these means may participate and play a certain auxiliary role; Its use aims to achieve the following expected purposes: (1) prevention, diagnosis, treatment, monitoring and alleviation of diseases; (2) Diagnosis, treatment, monitoring, mitigation and compensation of operation or disability; (3) research, substitution and adjustment of anatomical or physiological processes; (4) Pregnancy control.