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Instrumentacion quirurgica Instrumentacion quirurgica Instrumentacion quirurgica One of the most common instruments used in a hospital is the scalpel. A scalpel is a small hand-held device that has a sharp blade with one edge. The blade is often made of stainless steel and it can be used for slicing delicate structures during surgery. Scalpels are also used in surgical procedures, such as gastroenterology, cardiology and cosmetic surgery to cut tissue or remove tumors under local or general anesthesia. The function of a scalpel in dermatology is to make an incision (cut) on the surface layer of skin for removing lesions like warts, cysts and other skin growths. Dermatologists use the scalpel in surgery to remove warts, sebaceous cysts, warts, moles, lichen planus, actinic keratosis and senile keratosis. Scalpels are available in different sizes. Smaller scalpels are ideal for excisions of small lesions or procedures involving relatively little tissue. Larger scalpels are used for larger wounds especially when surgical margins are wider. Some scalpels have multiple blades which enables the surgeon to cut deeper into the body tissues using fewer passes. The depth of cuts can be increased by increasing the number of blades but sometimes multiple passes is too much for a single blade to do all three dimensions at once like cutting through skin or bone. Scalpel blades are usually made of stainless steel or carbon steel, although some are made of other materials, such as ceramic or titanium. All blades have sharp edges that can leave rough, jagged wounds if they are not used with care. A safe and effective method for cutting is to use the "thumb-up" method; placing the thumb on top of the blade while using other fingers to support the handle. This minimizes pressure on the blade's edge while providing better control during cutting. Use of a scalpel requires surgical training for both novices and qualified healthcare professionals (such as dermatologists). Improper use may result in human error and injury to the patient. Scalpels need regular maintenance to function properly. To keep the blade sharp, it needs to be honed periodically using a knife sharpener. Scalpel blades must be cleaned and sterilized after every use. "Clean" means that the blade is free from blood and other bodily fluids so it can be reused without risk of infection. Sterilization refers to the process of complying with government and hospital health and safety regulations to ensure that no pathogen (bacteria or virus) can survive in or on a scalpel during use. After sterilization, instruments should be wiped clean to remove blood and other debris. The blade's cutting edge should also be checked to ensure it is still sharp by using a knife sharpener if needed. When a patient has had surgery for skin cancer, the incision where the skin cancer was removed is left open to heal by way of secondary intention. This means that there are no stitches holding the wound closed. Rather, new tissue grows in between the edges of the cut to close the wound entirely over time. Typically, these wounds heal on their own without any problems or infections unless some sort of issue arises that disturbs this healing process. One common problem is when patients have an open wound at home and they bathe, shower or swim with their first day of surgery. This can cause their incision to get wet which sets them up for a possible infection. eccc085e13
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