Illustration of a stent.

Illustration of a stent.

Illustration of a stent.

Illustration of a stent in action.

Illustration of a stent in action.

Arterial stent, illustration

Coronary stent angioplasty, illustration. The coronary stent opens a clogged heart artery.

Iliac artery angioplasty, angiogram

Stent and balloon catheter, illustration

Stent and balloon catheter, illustration

Stroke treatment, illustration

Coronary angioplasty stent insertion, illustration

Stent, illustration

Stents and balloon catheters, illustration

Stents and balloon catheters, illustration

Deflated balloon catheter and vascular stent is being led through artery.

Longitudial section of an artery seen in a 3/4 view. Lumen is narrowed due to atherosclerotic plaque.

Balloon catheter carrying stent is in place in narrowed section of artery prior to inflation.

Vascular stent has been fully extended and the balloon catheter has begun to be deflated prior to removal. Expanded stent keeps artery lumen open.

(Top l. ) Upper airway obstruction related to hypotonia; (top r. ) partial relief by head extension; (middle l. ) extreme hyperextension causing upper airway obstruction; (middle r. ) fully open airway through use of jaw thrust; (bottom l. ) oropharyng

Hand of nurse on right arm of patient showing proper placement of the fingers along radial artery to assess pulse rate.

The retinacula hold tendons in place.

Angioplasty, artwork

Angioplasty, artwork

Angioplasty, artwork

Angioplasty, artwork

Angioplasty, artwork

Illustration of stent placed in an artery.