English
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Retractors, also known as ring retractors, are used to retract tissues during surgery, expose surgical field of vision, and facilitate exploration and operation.Each department has its own special surgical hook/retractor. Advantages of traditional retractors: 1）The price is cheap;2）Reusable;3）Patients do not need to pay extra; But their shortcomings are inevitable: 1）The conventional hook is inconvenient to use, […]
