Drainage stent in pancreatic duct and using method of drainage stent
An internal drainage and pancreatic duct technology, applied in the field of medical devices, can solve the problems of inability to change the diameter of the pancreatic duct, excessive expansion of the pancreatic duct, and easy loosening, and achieve the effects of convenient drainage, reduced obstruction, and easy deformation
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Embodiment 1
[0037] Please also refer to Figure 1-Figure 6 , wherein, a pancreatic duct drainage stent and its use method include a drainage duct 1 and a support mechanism 2, the drainage duct 1 is a cylindrical tubular structure, and the support mechanism 2 is movably clamped around the top of the drainage duct 1 There are four, and the four support mechanisms 2 form a group, and the drainage pipeline 1 is equidistantly arranged with multiple sets of the support mechanisms 2 along the extension direction, and the four support mechanisms 2 are arranged between two adjacent ones. Supporting connecting rods 4, connecting struts 3 are arranged between multiple groups of supporting mechanisms 2;
[0038] The drainage pipeline 1 includes a pipe body 101, the side surface of the pipe body 101 is provided with a drainage groove 102, and the bottom surface of the drainage groove 102 is equidistantly provided with drainage holes 103, and the outer surface of the pipe body 101 is adjacent to two E...
Embodiment 2
[0043] see Figure 7 , a method for using a pancreatic duct drainage stent, the steps are as follows:
[0044] S1. Determine the length of the duct: determine the length of the duct body 101 according to the length of the pancreatic duct, and match other structures around the duct body 101 .
[0045] S2. Combination: snap the bent tops of the connecting rods 3 into the snap-in slots 204, and at the same time snap the center of the bottom ends of the connecting rods 3 into the limit port 106, and at the same time use magnetic adsorption.
[0046] S3. Placement: The support position is determined through the drainage position, and the drainage stent is placed in the support position through surgery.
[0047] S4. Adjustment: by moving the drainage stent, the limiting groove 203 is fitted to the convex part of the inner wall of the pancreatic duct, so that the drainage stent and the inner wall of the pancreatic duct are more closely and securely attached.
[0048] In summary, th...
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