Puncturer with defogging tube guide structure
A technology of guiding structure and puncture device, applied in the field of puncture device, can solve the problems of smoke removal, inconvenience of operation, inconvenience, etc., and achieve the effect of convenient sealing effect, shortening operation time and simple structure.
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Embodiment 1
[0013] Such as figure 1 , figure 2 , image 3 Shown: a puncture device with a defogging tube guide structure, its main body is a puncture device, it also includes the guide structure, the end to end of the guide structure is connected, and the end of the guide structure is connected to the puncture sheath of the puncture device 2 The head and tail are flush, and the guide structure fits with the puncture sheath 2 to form a whole;
[0014] The guide structure is a guide tube 3, the guide tube 3 is axially parallel to the puncture sheath 2, and the outer wall surface of the guide tube 3 and the outer wall surface of the puncture sheath 2 are attached to each other;
[0015] The cross-section of the guide tube 3 and the cross-section of the puncture sheath 2 are circular, the outer wall of the guide tube 3 and the outer wall of the puncture sheath 2 are combined to form a whole, and the center of the circle of the guide tube 3 cross-section and the puncture sheath 2 The dista...
Embodiment 2
[0019] Such as figure 1 , figure 2 , Figure 4 Shown: a puncture device with a defogging tube guide structure, its main body is a puncture device, and it is characterized in that it also includes a guide structure, and the end of the guide structure is connected, and the head and tail of the guide structure are connected with the puncture sheath of the puncture device The head and tail of the 2 are flush, and the guide structure fits with the puncture sheath 2 to form a whole.
[0020] The guide structure is a guide groove 4 provided on the inner wall surface of the puncture sheath 2 , and the wall surface of the part where the guide groove 4 is opened in the puncture sheath 2 protrudes outward, and the guide groove 4 is parallel to the puncture sheath 2 axially.
[0021] The present invention also includes a guide tube 5 that penetrates from the handle 1 of the trocar, and the bottom of the guide tube 5 communicates with the tail of the guide structure, and the diameter of...
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