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            Composition: consists of a puncture cone and a puncture cannula.

            Model and specification: According to the outer diameter of the puncture cone, it can be divided into 12 kinds of specifications: 2, 3, 5, 6, 7, 10, 12, 15, 18, 20.
            Used in conjunction with an endoscope, the instrument access channel is established by puncture during thoracoscopic surgery.
            1. Simple operation and convenient use.
            2, blunt puncture, tissue damage to the skin and muscles.
            3, the surgical incision is smaller, more in line with the minimally invasive concept.
            4. The puncture cannula is fixed and stable, and the instrument can be kept stable when it enters and exits.

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            色综合 亚洲 自拍 欧洲