Disposable lacrimal passage flushing device
An irrigation device, a disposable technology, applied in the direction of enema/irrigator, infusion set, syringe, etc., can solve the problem of inability to prepare and judge the insertion depth of the irrigator needle and dilator needle, increase the patient's pain, and easily perforate the lacrimal duct. mucous membranes and other problems, to avoid iatrogenic injury, reduce pain, reduce lacrimal duct bleeding
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[0027] Such as figure 1 , 2 As shown, the disposable lacrimal duct irrigation device according to the present invention includes a punctum enlargement unit and a lacrimal duct irrigation unit in an integrated structure, and the lacrimal duct irrigation unit includes a syringe 2 pre-filled with 3mL of irrigation solution 1, A volume scale line 12 is provided on the syringe, and a piston 3 is installed in the syringe 2 for sealing and sliding, and a piston pushing mechanism is provided in the syringe 2 on the right side of the piston 3, as figure 1 As shown, the piston pushing mechanism is a push rod 9.1 arranged on the right side of the piston 3. The push rod 9.1 extends out of the syringe 2 to the right. The right end of the push rod 9.1 is provided with a push handle 9.2, which is located on the right side of the piston 3. The side wall of the syringe 2 on the side is provided with a strip-shaped channel 9.3 along its length direction, and the push handle 9.2 moves along the...
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