Method for making extraction bag with sealed sheath for endoscope

1. The present utility model relates to the technical field of extraction bags, in particular to an extraction bag with a sealed sheath for endoscopes.

Background technique:

2. The extraction bag with a sealing sheath for endoscope is a bag body used for taking out the diseased body excised from the patient's body during endoscopic surgery. The existing Chinese patent discloses a sealing sheath for endoscope that is convenient to replace. The retrieval bag, (authorized announcement number: cn215227927u), can freely adjust the length of the retrieval bag, thereby making the use of the retrieval bag more convenient, but still has the following defects: there is no limit to the movable column, The guiding structure makes it inconvenient for the user to judge the unfolding and closing of the bag body. For this reason, those skilled in the art have proposed a retrieval bag with a sealed sheath for endoscope.

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