What are the three main types of cautery instruments used in surgical procedures?

Bipolar, monopolar, and laser cautery represent the three main types of cautery instruments utilized in surgical procedures for tissue dissection and coagulation.

Monopolar cautery operates using one electrode, where the electrical current passes through the patient’s body to complete the circuit, making it effective for cutting and coagulating tissues in one go. In contrast, bipolar cautery has two electrodes that deliver the current directly to the tissue being treated, which minimizes damage to surrounding areas. This is particularly useful in delicate surgeries where precision and reduced thermal spread are essential.

Laser cautery utilizes focused light energy to achieve cutting and coagulation, allowing for highly controlled tissue manipulation with minimal collateral damage. This method is especially beneficial in procedures requiring precise targeting, such as ophthalmic surgeries.

While the option listing single tip cautery seems to point toward a specific use of monopolar techniques, it does not encompass the full spectrum of cautery types, which includes the essential distinctions of monopolar and bipolar methods along with the advanced application of laser technology. Therefore, the option that includes these classifications accurately reflects the categories of cautery instruments used in surgical settings.