This is a type 2R surgical face mask with elasticated ear loops to hold it in place. It fits quite well if you bend the nose strip but the ear loops do not have enough tension to hold it well in place. These now seem to cost $49.95 for a box of 50 which is very expensive !!

A type 2R surgical face mask with elasticated ear loops

These elasticated ear loop face masks are not type 2R and therefore not suitable for operating theatre use. They are suitable for general examination purposes. Listed at $0.22-0.28 each for 1,000 pieces

The X-Bolt IM hip nail uses an X-Bolt for fixation into the proximal femur. The X-Bolt is an expandable device which may provide better fixation into the femoral head than a hip screw. It is removable.  The operative technique is available here .

According to the manufacturer, t he Sterling Balloon Dilatation Catheter  is designed for percutaneous transluminal angioplasty in the peripheral vasculature, including iliac, femoral, ilio-femoral, popliteal, renal, and carotid arteries, and for the treatment of obstructive lesions of...