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       Choosing a suitable disposable feeding bag should take into account the three core dimensions of patient infusion needs, clinical scenarios, and operational convenience, while also considering safety and adaptability. The specific steps and key points are as follows:
1. Select specifications based on patient population and infusion dose
       Newborns/Premature Infants: Choose a 250mL small capacity feeding bag with a correct scale of 5-10mL on the bag body, suitable for the correct infusion of small doses of breast milk and premature infant formula milk, to avoid waste or contamination caused by residual nutrient solution in large-sized bags.
       Adult ordinary patients: postoperative recovery period, swallowing disorders patients, etc., daily intermittent infusion of 500mL specification is selected to meet single nutritional needs; For critically ill patients who require 24-hour continuous infusion of nutrient solution, priority should be given to selecting a large capacity of 1000mL to reduce frequent bag changes and lower the risk of infection.
2. Function design based on infusion method selection
       Manual gravity infusion: Choose a feeding bag with the correct flow regulator, which should be smooth and easy to adjust, able to stably control the flow rate (such as 20-150mL/h), suitable for home care or low flow infusion scenarios; The bag body needs to have a hanging hole for easy hanging on the infusion rack.
       Continuous infusion of nutrition pump: Select a specialized pump, and the bag interface should match the hospital nutrition pump pipeline (common threaded or snap interface) to avoid incompatible interfaces that may cause leakage; Some pump models come with anti siphon design to prevent nutrient solution from flowing into the patient's body due to gravity.
       Anti reflux requirement: For patients at risk of reflux (such as gastroesophageal reflux and comatose patients), choose feeding bags with anti reflux valves to prevent residual fluid from flowing back after infusion, reduce contamination and gastrointestinal discomfort.
3. Pay attention to material safety and detail design
       Material priority medical grade composite film: PE/PP or PVC free (non polyvinyl chloride) material is selected, with strong chemical stability and will not react with nutrient solutions or drugs to precipitate harmful substances; The bag body needs to be soft, resistant to compression, and not easily damaged or leaking.
      Clear and easy to read scale: The scale lines should be printed clearly, not easily detached, and labeled with both "mL" and "fl oz" units, making it convenient for medical staff or family members to correctly mix nutrient solutions and avoid dosage errors.
      Reasonable design of liquid filling port: spiral cap liquid filling port is preferred, with good sealing performance and less leakage when tightened after liquid filling; If frequent dosing is required, a style with an independent dosing port can be selected, without the need to open the main dosing port, reducing the chance of contamination.
      Hospital ICU/long-term bedridden patients: Choose a feeding bag with a tube extension tube, with a length of ≥ 100cm, to facilitate the patient's turning and movement, and to avoid pulling or pulling the infusion tube to prevent detachment;      Some styles come with pipe clamps, which can be used to pause infusion at any time.
Home care scenario: Choose an all-in-one feeding bag that is easy to operate, does not require additional assembly parts, has a large and easy to open liquid filling port, and is suitable for family members to operate; At the same time, prioritize styles that are individually packaged and ready to use, reducing disinfection steps.
      Special drug compatibility: If medication needs to be added to the nutrient solution, select a feeding bag labeled "compatible with drug infusion" to avoid material and drug reactions. If necessary, consult medical staff to confirm compatibility.
5. Verify product qualifications and sterility
      Products with a medical device registration certificate must be selected, and the packaging must be labeled with the words "sterile" and "disposable". At the same time, the production date and expiration date should be checked to avoid using expired products.
      Check the integrity of the packaging. If there is any damage or leakage, it is strictly prohibited to use it to prevent infection caused by non sterile conditions.