CN112972784A

CN112972784A - Pancreatic juice complete external drainage pancreas duodenectomy and pancreatic juice drainage back transfusion device

Info

Publication number: CN112972784A
Application number: CN202110159797.XA
Authority: CN
Inventors: 陈永兵; 石汉平; 张斌; 张秉栋; 王林
Original assignee: Beijing Shijitan Hospital
Current assignee: Beijing Shijitan Hospital
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-18
Anticipated expiration: 2041-02-05
Also published as: CN112972784B

Abstract

The invention relates to the field of medical materials, in particular to a pancreatic juice complete external drainage pancreatectomy and pancreatic juice drainage feedback device, which comprises a first drainage tube, wherein one end of the first drainage tube is connected with a threaded head, the other end of the first drainage tube is connected with a second drainage tube through a flow control mechanism, the second drainage tube is connected to the inner side of a drainage bag, the lower end of the drainage bag is communicated with a third drainage tube, one end of the third drainage tube is connected with a delivery tube through a three-way tube, the three-way tube comprises a tube body and an injection mechanism communicated with the outer surface of the tube body, and an on-off valve mechanism is embedded in the outer surface of the three-way tube close to two ends of the three-way tube. The collected pancreatic juice can be pumped back to the nasointestinal tube or the jejunum nutrition tube end and pumped back to the digestive tract to promote digestion.

Description

Pancreatic juice complete external drainage pancreas duodenectomy and pancreatic juice drainage back transfusion device

Technical Field

The invention relates to the field of medical materials, in particular to a pancreatic juice complete external drainage pancreatectomy and pancreatic juice drainage and reinfusion device.

Background

Pancreatic head cancer is a common malignancy of the digestive tract, and pancreatoduodenectomy is a common treatment. However, pancreatic leakage and the resulting postoperative massive hemorrhage are the most serious complications of the pancreaticoduodenectomy, leading to its Acryuce heel. Currently, the commonly used methods for reducing pancreatic leakage are discussed to include improving the pancreatic-intestinal anastomosis technology and improving the pancreatic-intestinal anastomosis mode, and the core of the method is 'blockage', namely, pancreatic juice is blocked in the digestive tract. However, pancreatic juice is a strong digestive juice, and once activated, pancreatic juice is corroded with the needle hole of the suture, so that the pancreatic juice is difficult to block. Based on the technical scheme, the pancreaticoduodenectomy is improved, pancreatic juice is skillfully drained outwards, pancreatic juice is prevented from being activated, and pancreas leakage after operation is avoided.

Disclosure of Invention

The invention aims to solve the defects in the background technology and provides a pancreatic juice complete external drainage pancreatectomy and pancreatic juice drainage back transfusion device.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: pancreas liquid is complete to drain pancreas duodenectomy and pancreas liquid drainage feedback device outward, including first drainage tube, the one end of first drainage tube is connected with the thread head, the other end of first drainage tube passes through flow control mechanism and connects the second drainage tube, the inboard of drainage bag is inserted to the second drainage tube, the lower extreme intercommunication of drainage bag has the third drainage tube, the one end of third drainage tube is connected with the delivery tube through the three-way pipe, the three-way pipe includes the body, communicates the injection mechanism at the body surface, the surface of three-way pipe is close to both ends department embedding and is provided with the on-off valve mechanism.

Preferably, the outer surface of the screw head is provided with spiral threads, the outer surface of the screw head is provided with a plurality of extraction holes in a penetrating manner, and the extraction holes are arranged at equal intervals from top to bottom.

Preferably, the outer surface of the first drainage tube is sleeved with a fixing plate, a triangular hole and two round holes are formed in the outer surface of the fixing plate in a penetrating mode, and the first drainage tube penetrates through the inner side of the triangular hole.

Preferably, flow control mechanism is including fixed cover that the fixed cover that is close to one end mutually at first drainage tube and second drainage tube respectively, and the tip that two upper and lower fixed covers are close to mutually rotates and installs the revolving drum, the inner wall of revolving drum is close to two symmetrical upper segment boards of lower extreme department fixedly connected with, two the tip of upper segment board passes through upper connecting portion fixed connection, and the inner wall of the fixed cover of below is close to the lower segment board of two symmetries of upper end department fixedly connected with, two the tip of lower segment board passes through lower connecting portion fixed connection, the lower terminal surface of upper connecting portion extends spacing axle perpendicularly, just spacing axle activity passes the up end of lower connecting portion.

Preferably, one end of each of the two fixing sleeves located on the inner side is bent towards the outer side to form a bent edge, the bent edge is movably embedded into the inner wall of the rotating cylinder, and a plurality of anti-skid grains arranged in an annular array are extended from the outer surface of the rotating cylinder.

Preferably, the on-off valve mechanism comprises a sleeve fixedly embedded in the outer surface of the pipe body and a rotating column rotatably mounted on the inner side of the sleeve, and a circulation hole is formed in the inner side of the rotating column in a penetrating mode.

Preferably, the upper end and the lower end of the rotating column extend out of the widening head, a sealing ring is arranged between the widening head and the port of the sleeve, and the upper end face of the widening head above the widening head extends out of the rotating valve.

Preferably, the injection mechanism comprises one of a syringe or an infusion pump, and the delivery tube is connected to a nasointestinal tube or jejunal nutrient tube.

The device is used, the thread head and the end part of the first drainage tube are inserted into the abdominal wall together, and the thread head passes through one side of the jejunum and then is inserted into the pancreas to lead out the pancreatic juice.

Compared with the prior art, the invention has the following beneficial effects:

the complete external drainage of pancreatic juice is the core of the improved pancreatectomy, but the pancreatic duct of each patient has different thicknesses, so that the pancreatic duct is convenient for intubation and suture fixation, and the inserting depth can be flexibly adjusted to match the pancreata with different thicknesses of the patients by designing a conical threaded head with a plurality of extraction holes. The collected pancreatic juice is pumped back to the nasointestinal tube or the jejunum nutrition tube end through the arranged delivery tube and then is pumped back to the alimentary canal to promote digestion.

Drawings

FIG. 1 is a schematic structural view of a pancreatic juice complete external drainage pancreatectomy and pancreatic juice drainage reinfusion device of the present invention;

FIG. 2 is a schematic view of a threaded head structure of the pancreatic juice complete external drainage pancreatectomy and pancreatic juice drainage reinfusion device of the present invention;

FIG. 3 is a schematic structural view of a three-way tube of the pancreatic juice complete external drainage pancreatectomy and pancreatic juice drainage reinfusion device of the present invention;

FIG. 4 is a cross-sectional view of the on-off valve mechanism of the pancreatic juice complete external drainage pancreatectomy and pancreatic juice drainage reinfusion device of the present invention;

FIG. 5 is a cross-sectional view of the flow control mechanism of the pancreatic juice total external drainage pancreatectomy and pancreatic juice drainage reinfusion device of the present invention;

FIG. 6 is an enlarged view of the portion A of FIG. 5 of the complete external drainage pancreatectomy and pancreatic juice drainage reinfusion device of the present invention;

fig. 7 is a using state diagram of the pancreatic juice complete external drainage pancreatectomy and pancreatic juice drainage reinfusion device of the invention.

In the figure: 1. a screw head; 2. helical thread; 3. an extraction hole; 4. a first draft tube; 5. a fixing plate; 6. a second draft tube; 7. a drainage bag; 8. a third drainage tube; 9. an injection mechanism; 10. a three-way pipe; 11. a delivery pipe; 12. a pipe body; 13. a sleeve; 14. a spin column; 15. a seal ring; 16. widening the head; 17. a rotating flap; 18. a flow-through hole; 19. fixing a sleeve; 20. a rotary drum; 21. anti-skid lines; 22. an upper fan plate; 23. an upper connecting portion; 24. a lower fan plate; 25. a lower connecting portion; 26. a limiting shaft; 27. bending the edges; 28. a pancreas; 29. jejunum; 30. the abdominal wall.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The pancreatic juice complete external drainage pancreas duodenectomy and pancreatic juice drainage reinfusion device shown in fig. 1-7 comprises a first drainage tube 4, one end of the first drainage tube 4 is connected with a threaded head 1, the other end of the first drainage tube 4 is connected with a second drainage tube 6 through a flow control mechanism, the second drainage tube 6 is connected into the inner side of a drainage bag 7, the lower end of the drainage bag 7 is communicated with a third drainage tube 8, one end of the third drainage tube 8 is connected with a delivery tube 11 through a three-way tube 10, the three-way tube 10 comprises a tube body 12 and an injection mechanism 9 communicated with the outer surface of the tube body 12, and an on-off valve mechanism is embedded in the outer surface of the three-way tube 10 close to two ends.

The spiral line 2 has been seted up to the surface of screw thread head 1, and the surface of screw thread head 1 runs through and has been seted up a plurality of extraction hole 3, and extraction hole 3 is from last to arranging to being the equidistance down, ensures that the different degree of depth can carry out the flowing back after inserting pancreas 28, and the pancreas 28 that can adapt to different thicknesses inserts, to thinner pancreas 28 insert be close to upper end department can.

The surface cover of first drainage tube 4 is equipped with fixed plate 5, and the surface of fixed plate 5 runs through and has seted up a triangle hole and two round holes, and first drainage tube 4 passes triangle downthehole side, is in on the surface of first drainage tube 4 and the border of triangle hole slightly by the extruded state, plays spacing effect, and the round hole can be squeezed into bolt spare and fix on medical frame, promotes the stability of first drainage tube 4.

The flow regulating mechanism comprises fixed sleeves 19 which are fixedly sleeved at one ends of a first drainage tube 4 and a second drainage tube 6 which are close to each other, a rotary cylinder 20 is rotatably installed at the end part of the upper fixed sleeve 19 and the lower fixed sleeve 19 which are close to each other, two symmetrical upper fan plates 22 are fixedly connected at the position of the inner wall of the rotary cylinder 20 which is close to the lower end, the end parts of the two upper fan plates 22 are fixedly connected through an upper connecting part 23, two symmetrical lower fan plates 24 are fixedly connected at the position of the inner wall of the lower fixed sleeve 19 which is close to the upper end, the end parts of the two lower fan plates 24 are fixedly connected through a lower connecting part 25, a limiting shaft 26 vertically extends out of the lower end surface of the upper connecting part 23, the stable degree of the upper fan plates 22 when the limiting, by rotating the rotary cylinder 20, the upper sector 22 is rotated, and the upper sector 22 is displaced relative to the lower sector 24, so that the pancreatic juice flow rate in the fixed sleeve 19 can be changed.

The ends of the two fixing sleeves 19 located at the inner sides are bent outwards to form bending edges 27, the bending edges 27 are movably embedded into the inner wall of the rotating cylinder 20 to ensure that the rotating cylinder 20 can rotate and cannot be separated from the fixing sleeves 19, and a plurality of anti-skid threads 21 arranged in an annular array are extended out of the outer surface of the rotating cylinder 20 so that a user can rotate the rotating cylinder 20.

The on-off valve mechanism comprises a sleeve 13 fixedly embedded into the outer surface of the pipe body 12, a rotary column 14 rotatably installed on the inner side of the sleeve 13, a circulation hole 18 is formed in the inner side of the rotary column 14 in a penetrating mode, a widening head 16 extends from the upper end and the lower end of the rotary column 14, a sealing ring 15 is arranged between the widening head 16 and the port of the sleeve 13, a rotary flap 17 extends from the upper end face of the widening head 16 located above, the rotary column 14 is rotated by rotating the rotary flap 17, and when the circulation hole 18 faces to the directions of the two sides, pancreatic juice can pass through.

The injection mechanism 9 comprises one of a syringe or an infusion pump, the delivery tube 11 is connected with a nasointestinal tube or a jejunal nutrition tube, and the injection mechanism 9 plays a role in sucking pancreatic juice for temporary storage.

The pancreatic juice completely drains pancreas duodenectomy and pancreatic juice drains and returns the apparatus operation method, use the above-mentioned apparatus, insert the end of the first drainage tube 4 and the thread head 1 in the abdominal wall 30 together, the thread head 1 is inserted in pancreas 28 after passing one side of jejunum 29 in order to lead out the pancreatic juice, enter the drainage bag 7 through the first drainage tube 4, in unscrewing the rotary column 14 connected to the third drainage tube 8, can make the pancreatic juice suck to the injection mechanism 9, then close the rotary column 14, unscrew the rotary column 14 connected to the port of the delivery tube 11, push the injection mechanism 9 and push the pancreatic juice out from the delivery tube 11, and send into the nasointestinal canal or jejunum nutrition tube, return the pancreatic juice again.

The complete pancreatic juice external drainage is the core of the improved pancreatic duodenectomy, but the pancreas 28 of each patient has different thicknesses, so that the insertion depth can be flexibly adjusted to match the pancreas 28 with different thicknesses of the patients by designing the conical threaded head 1 with a plurality of extraction holes 3 for facilitating intubation and suture fixation; the collected pancreatic juice is pumped back to the nasointestinal tube or the jejunum nutrition tube end through the arranged delivery tube 11 and then is pumped back to the digestive tract to promote digestion.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Pancreas liquid is drainage pancreas duodenectomy and pancreas liquid drainage feedback device completely outward, including first drainage tube (4), its characterized in that: one end of the first drainage tube (4) is connected with a threaded head (1), the other end of the first drainage tube (4) is connected with a second drainage tube (6) through a flow regulation and control mechanism, the second drainage tube (6) is connected into the inner side of a drainage bag (7), the lower end of the drainage bag (7) is communicated with a third drainage tube (8), one end of the third drainage tube (8) is connected with a delivery tube (11) through a three-way tube (10), the three-way tube (10) comprises a tube body (12) and an injection mechanism (9) communicated with the outer surface of the tube body (12), and an on-off valve mechanism is embedded in the outer surface of the three-way tube (10) close to two ends.

2. The pancreatic juice total external drainage pancreatectomy and pancreatic juice drainage reinfusion device of claim 1, wherein: the outer surface of the screw thread head (1) is provided with spiral threads (2), the outer surface of the screw thread head (1) is provided with a plurality of extraction holes (3) in a penetrating mode, and the extraction holes (3) are arranged in an equal distance from top to bottom.

3. The pancreatic juice total external drainage pancreatectomy and pancreatic juice drainage reinfusion device of claim 1, wherein: the outer surface cover of first drainage tube (4) is equipped with fixed plate (5), the surface of fixed plate (5) is run through and is seted up a triangle hole and two round holes, first drainage tube (4) pass triangle hole inboard.

4. The pancreatic juice total external drainage pancreatectomy and pancreatic juice drainage reinfusion device of claim 1, wherein: flow regulation and control mechanism is including fixed cover respectively fixed cover (19) that are close to one end mutually in first drainage tube (4) and second drainage tube (6), and upper and lower two fixed cover (19) tip that are close to mutually rotate and install rotatory section of thick bamboo (20), the inner wall of rotatory section of thick bamboo (20) is close to two symmetrical last sector boards (22) of lower extreme department fixedly connected with, two the tip of going up sector board (22) passes through upper connecting portion (23) fixed connection, and the inner wall of fixed cover (19) of below is close to lower sector board (24) of two symmetries of upper end department fixedly connected with, two the tip of lower sector board (24) passes through lower connecting portion (25) fixed connection, the lower terminal surface of going up connecting portion (23) extends spacing axle (26) perpendicularly, just spacing axle (26) activity passes the up terminal surface of lower connecting portion (25).

5. The pancreatic juice total external drainage pancreatectomy and pancreatic juice drainage reinfusion device of claim 4, wherein: one end, located on the inner side, of each of the two fixing sleeves (19) is bent towards the outer side to form a bending edge (27), the bending edge (27) is movably embedded into the inner wall of the rotating cylinder (20), and a plurality of anti-skidding threads (21) which are arranged in an annular array are extended from the outer surface of the rotating cylinder (20).

6. The pancreatic juice total external drainage pancreatectomy and pancreatic juice drainage reinfusion device of claim 1, wherein: the on-off valve mechanism comprises a sleeve (13) fixedly embedded into the outer surface of the pipe body (12) and a rotary column (14) rotatably installed on the inner side of the sleeve (13), and a circulation hole (18) is formed in the inner side of the rotary column (14) in a penetrating mode.

7. The pancreatic juice total external drainage pancreatectomy and pancreatic juice drainage reinfusion device of claim 6, wherein: the upper end and the lower end of the rotating column (14) extend out to form a widening head (16), a sealing ring (15) is arranged between the widening head (16) and the port of the sleeve (13), and a rotating valve (17) extends out of the upper end face of the widening head (16) above the widening head.

8. The pancreatic juice total external drainage pancreatectomy and pancreatic juice drainage reinfusion device of claim 1, wherein: the injection mechanism (9) comprises one of a syringe or an infusion pump, and the delivery pipe (11) is connected with a nasointestinal tube or a jejunum nutrition tube.

9. Method of use of a pancreatic fluid total external drainage pancreatectomy and pancreatic fluid drainage reinfusion device, using a device according to any of the preceding claims 1-8, characterized in that: the screw head (1) and the end part of the first drainage tube (4) are inserted into the abdominal wall (30) together, and the screw head (1) passes through one side of the jejunum (29) and then is inserted into the pancreas (28) to lead out pancreatic juice.