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      Disposable drainage bags are commonly used consumables in the medical field, mainly used to collect bodily fluids such as postoperative exudate, blood, urine, etc. The original intention of its design is to ensure the safety, convenience, and hygiene of medical operations. The following are its core advantages and specific analysis:
1、 Safety and hygiene: avoid cross infection
1. Disposable, eliminate repeated pollution
      Use independent packaging, keep sterile before use, and discard after use, to avoid the risk of cross infection of bacteria and viruses (such as the spread of hepatitis B, AIDS and other pathogens) caused by poor cleaning of traditional reusable drainage bags.
Especially suitable for patients with weakened immunity (such as postoperative and cancer patients), reducing the incidence of hospital acquired infections (HAI).
2. Material safety
       It is usually made of medical grade PVC or EVA material, in compliance with the "Quality Management Specification for Medical Device Production", and does not contain plasticizers (such as DEHP) or other harmful chemicals. It will not release harmful substances when in contact with body fluids, reducing damage to patient wounds or the body.
2、 Design Science: Function Optimization to Improve Efficiency
1. Accurate measurement facilitates disease monitoring
       The bag body is marked with clear scale lines (such as 500ml, 1000ml specifications), and medical staff can directly read the fluid drainage volume, providing key data for judging postoperative bleeding, infection, or organ function recovery (such as urine volume<400ml/24h may indicate renal dysfunction).
       Some products are equipped with anti backflow devices (such as one-way valves) to prevent body fluids from flowing back into the body and causing retrograde infection, while also avoiding liquid splashing during replacement or dumping.
2. Portable and easy to operate, reducing nursing burden
       Lightweight design (usually weighing less than 100g), paired with hooks or waistband buckles, can be hung on hospital beds, wheelchairs, or around the patient's waist for easy use when moving patients.
       The length of the drainage tube can be adjusted, and the interface is compatible with various drainage catheters (such as closed chest drainage tubes and urinary catheters). Nurses can complete the connection without complex operations, shortening nursing time.
3、 Reducing medical costs: significant economic benefits
1. Reduce disinfection and sterilization expenses
       Traditional reusable drainage bags require processes such as cleaning, high-temperature sterilization (such as high-pressure steam sterilization), which consume labor, water, electricity, and disinfectant costs. Disposable products eliminate the above steps and have a cost advantage, especially in primary hospitals or emergency settings.
2. Reduce the cost of treating complications
       By avoiding cross infection and reflux risks, it indirectly reduces additional medical expenses such as prolonged hospitalization and increased use of antibiotics caused by infection in patients. Research has shown that using disposable drainage bags can reduce postoperative infection rates by 30% -50% and shorten average hospital stays by 1-2 days.