What device uses ionized gas and electrical current for hemostasis?

The device that uses ionized gas and electrical current for hemostasis is the argon beam coagulator. This technology works by using argon gas, which is ionized to create a plasma arc when it is subjected to an electrical current. This arc effectively coagulates tissue by delivering energy to the tissue surface, leading to hemostasis. During surgical procedures, achieving quick and effective hemostasis is critical, and the argon beam coagulator provides a way to control bleeding by minimizing thermal damage to adjacent tissues, as it can achieve coagulation at relatively low temperatures compared to traditional electrosurgical methods.

In contrast, while an electrosurgical unit also employs electrical current for cutting and coagulation, it typically involves direct contact with the tissue rather than using ionized gas. A laser utilizes light energy to achieve similar effects but does not operate on the principle of ionized gas. The ultrasound scalpel relies on high-frequency ultrasound waves to cut and coagulate tissues, which again differs fundamentally from the technologies involving ionized gas. Understanding these distinctions helps to clarify why the argon beam is the device specifically recognized for using ionized gas and electrical current for hemostasis.