The epidural needle is a vital specialized instrument used in clinical anesthesia and pain management. It features a specially designed structure with a strong, hollow body, usually equipped with precise depth markings and a syringe interface for sensing tissue resistance. Its core function is to achieve precise puncture into the epidural space of a specific spinal segment.

Disease Diagnosis: These instruments are used to identify and determine the type, cause, or stage of a disease by collecting and analyzing various medical indicators to confirm the patient's condition. Health Monitoring: During routine or long-term medical care, they help track changes in the patient’s physiological state to maintain overall health or detect abnormal trends early. Early Screening and Detection: Primarily used for proactive testing of at-risk populations to detect potential signs or risks of disease, allowing for early intervention to prevent progression. Guiding Treatment Decisions: Based on diagnostic results, these tools provide critical data to help healthcare professionals plan and adjust the most appropriate treatment or intervention.

Medical protective equipment are specialized equipment and materials used in healthcare settings to protect healthcare personnel and patients. Their primary purpose is to block the transmission of bacteria or viruses and prevent infection risks. These include commonly used items such as masks, gloves, goggles, and protective clothing. They serve as key physical barriers to ensure the safety of medical procedures.

Surgical staplers are medical devices designed for fast and precise closure of wounds or tissues during surgery. It operates similarly to a stapler, deploying multiple small metal staples at once to secure incision edges and promote tissue healing. The device typically consists of reusable or disposable components and is widely used in gastrointestinal surgeries, skin closures, and minimally invasive procedures.

Medical drainage is a clinical procedure involving the placement of specialized sterile devices into specific parts or cavities of the body to guide abnormal or potentially harmful fluids or gases out of the body.