What are the low-quality consumables in the hospital? How to divide high quality and inferior quality? thank you

Low-quality consumables in hospitals generally appear in consumables of medical devices, and high-quality and low-quality consumables are no different from ordinary patients. It is impossible for patients to compare various consumables of the same type, and there is no corresponding standard to find (it is basically impossible for patients to check the quality of consumables according to the corresponding national standards). Generally, they can only judge the appearance of consumables by the factory manufacturer. For the products produced by big factories, it is better to be a trade union! Especially the instructions! !