外科医の相棒：信頼され、切り離せない友であるメス

This article focuses on a simple but crucial instrument used in every surgical procedure: the Scalpel. The first step of any surgery is making an incision on the operative site, which opens the way for the surgeon to explore tissue spaces, identify structures, and proceed with the operation. For centuries, surgeons around the world have operated based on the medical systems of their time, aided by available instruments, equipment, and trained paramedical staff-all united in their shared commitment to alleviating human suffering. The history of medicine spans over 3,000 years, from prehistoric times through the Babylonian era, the Arabic period, the Enlightenment, and into the Modern Digital Age. Despite many advancements, the Scalpel remains the First instrument that a surgeon reaches for, to begin an operation. This article delves into the history, significance, and role of the Scalpel, observing how it has withstood the test of time and continues to be indispensable despite the rise of high-tech surgical procedure. Observation is the key to identify the relationship of Surgeon and Scalpel, an inseparable one.