Catheter is a medical device commonly used in surgery, and its role is mainly to guide, unclog and connect the various channels in the organism, such as blood vessels, lymphatic vessels, respiratory tract, digestive tract and so on. Through its special structure and material, the catheter can flexibly enter into narrow spaces, curved tubes, and deliver the required drugs, liquids or gases to specific parts, thus realizing the purpose of treatment and diagnosis. At the same time, the catheter can also assist the surgeon in the surgical process, improving the safety and success of the procedure.
Catheters come in a variety of different types and shapes, and different types of catheters can be applied to different medical fields and treatment needs. For example, in the field of cardiovascular medicine, catheters are used in a wide range of applications, including coronary catheters, left ventricular catheters, pulmonary artery catheters, etc. These catheters are mainly used for cardiac catheterization, infusion of fluids, interventional therapy, etc.; in the field of respiratory treatment, if the patient needs urgent treatment for respiratory obstruction, tracheal intubation for oxygen and draining it of dirt is necessary, and the intermediary diagnosis and treatment of tracheal stenosis and other conditions require bronchoscopy Catheter types such as; in the field of urological management, urethral catheters, ureteral catheters, etc., can be used to guide and treat the appropriate site.
In general, catheters play an important role in the medical field and are an essential instrument in the surgical process. However, when using a catheter, it also requires healthcare professionals to have specialized skills and experience, to carefully observe the patient's condition and reaction, and to take appropriate measures at all times to ensure the patient's safety and comfort. At the same time, because the catheter may have the risk of infection and injury, it needs to be strictly sterilized and inspected before use to ensure that the catheter is clean and intact, to avoid cross-infection and misdiagnosis and misdiagnosis, so as to better safeguard the patient's health and therapeutic effects.