***** implantable medical devices: surgical means to insert in whole or in part into the human body or natural cavities or to replace the upper epidermis or the surface of the eye, and to survive in the body for at least 30 days, and can only be removed by surgical or medical means. Such as: bone nails, bone plates, artificial organs, cardiac stents, artificial joints, pacemakers, etc. (In general, there are two categories, one is passive implantable devices, including bone and joint replacements, cardiovascular implants, artificial heart valves, breast implants, intraocular crystalline implants, vascular scaffolds, artificial organs, and so on; the other is active implantable devices. (Including implantable cardiac pacemakers, implantable cochlear implants, implantable neurostimulators, implantable electromechanical cardiac circulatory systems, etc.)
-Distinguishable from interventional devices oh ---- interventional medical devices: inserted into the human body or natural cavities by surgical means, for a short period of time for the treatment or examination, the treatment or examination is completed that is removed. Such as: angiography catheter, balloon dilatation catheter, central venous catheter, arterial venous pressure measurement catheter, disposable interventional therapy instrument probe. -----
Generally interventional Implanted is also basically sterile!