Here's how to remove ... a scalpel on themselves,” says Dr. Koshimune. “Of course, some people are quite flexible and have a steady hand where they might be safe in using a scalpel blade ...

Baseline sharpness was determined by the machine on brand new double-edged razor blade (DERB; Personna), dermaBlades (DB; Personna), plastic scalpel handle #15 (PH #15; Bard-Parker), #15 blade ...