Integrated pneumoperitoneum needle for hepatobiliary surgery
A technique of surgical operation and Veress needle, which is applied in the direction of puncture needle, trocar, etc., and can solve the problems that restrict the application of Veress needle in hepatobiliary surgery, large skin wound, complex structure of Veress needle, etc.
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[0021] The distal end described in this embodiment refers to the end close to the abdominal cavity, such as Figure 5 The left end of the middle, the proximal end is the end near the intake, such as Figure 5 the right end of .
[0022] This embodiment discloses an integrated Veress needle for surgical operations. The Veress needle includes an outer tube 400 and an inner core 500. The outer tube 400 includes a ventilation cavity 410, and one end of the ventilation cavity 410 is used to enter Air, the air intake is a conventional way, and the other end is connected with two air passages 420, such as Figure 5 As shown, the two air intake channels are relatively distributed, and a sealing plate 430 is arranged in the air channel, and the sealing plate divides the air channel into a left cavity and a right cavity, and the right cavity communicates with the ventilation cavity, and the outer tube is provided with a There is a moving channel, and the moving channel extends from th...
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