Intervention [jièrù] inserted between the two to intervene in their affairs.
Interventional medical device: inserted by surgical means into the human body or a natural cavity for a short period of time for treatment or examination, and removed when the treatment or examination is completed. Examples of interventional medical devices (6877):
1Endovascular cathetersEndovascular contrast catheters, balloon dilatation catheters, central venous catheters, trocar peripheral catheters, microfloating catheters, arterial and venous manometry catheters. Contrast catheter, balloon catheter, PTCA catheter, PTA catheter, microcatheter, thrombolytic catheter, guide catheter, ablation.
2 Guidewires and sheaths? Hard guidewire, soft-tip guidewire, renal artery guidewire, microguidewire, push guidewire, ultra-smooth guidewire, arterial sheath, venous vascular sheath, micropuncture vascular sheath.
3Embolization devices? Filters, spring emboli, embolic microspheres, platinum microemboli, blockers.
Interventional medical device implantation is distinguished from implantable medical device (6845) in that an implantable medical device is, in whole or in part, inserted by surgical means into the human body or into a natural cavity or in place of the upper epidermis or the surface of the eye and remains in the body for a minimum of 30 days and can only be removed by surgical or medical means. Examples include: bone nails, bone plates, artificial organs, and cardiac stents.
Interventional medical devices are one of the important regulatory programs of the medical supervisory authority