CN211560211U - 3D printing suture-free pancreaticojejunostomy bracket - Google Patents

Abstract

The utility model discloses a 3D printing suture-free pancreas and intestine anastomosis bracket, which comprises a first anastomosis tube, a second anastomosis tube and a connecting tube, wherein the first anastomosis tube and the second anastomosis tube are connected by the connecting tube, and an anastomosis structure is arranged in the first anastomosis tube, the second anastomosis tube and the connecting tube; wherein, the anastomosis structure comprises: admission valve, first intake pipe, trachea connector, second intake pipe, third intake pipe, gasbag, first protruding thorn, the protruding thorn of second, first drainage tube, second drainage tube and third drainage tube, the utility model relates to a medical treatment surgical supplies technical field, the courage intestinal anastomosis of having solved current clinical application, pancreas intestinal anastomosis all establish with sew up, on the basis of knoing, the mode that the most ideal alimentary canal was rebuilt has an identical mode, can avoid these and sew up relevant operation, sew up the nature and have the pinhole, the elasticity of knoing, the tearing of organizational structure, the beneficial effect of defects such as the extension of operating time.

Description

3D printing suture-free pancreaticojejunostomy bracket

Technical Field

The utility model relates to a medical treatment surgical supplies technical field specifically is to exempt from to sew up pancreas intestines support that coincide with 3D printing.

Background

The traditional open-abdomen pancreas duodenectomy is complex in operation and large in operation wound, the cholecystoenterostomy and the pancreaticoenteroanastomosis are key steps of the pancreaticoduodenectomy, the cholecystoenterostomy and the pancreaticoenteroanastomosis fistula caused by the cholecystoenterostomy or incomplete healing are common serious complications after the operation, the common incidence rate is 5-20%, the death rate of the pancreaticoenteroanastomosis fistula can reach 20-40%, the treatment cost is high, the cholecystoenterostomy and the pancreaticoenteroanastomosis which are clinically applied at present are established, sutured and knotted on the basis, the most ideal digestive tract reconstruction mode is an anastomosis mode, the operations related to the suturing can be avoided, the defects of needle eyes, knotted tightness, tearing of tissue structures, prolonging of operation time and the like can be overcome, the gastrointestinal anastomosis is strong in tissue plasticity, the size of the anastomosis opening is relatively fixed, the anastomosis opening is large, therefore, the anastomat is generally applied clinically; the shapes, sizes and calibers of the biliary tract and the pancreatic duct have great differences due to different disease properties and disease periods, and the pancreatic duct and the bile duct have poor plasticity and small pipe diameters, so that an anastomotic ring or an anastomat with consistent calibers, which is produced by a fixing mould like a gastrointestinal anastomat, is not suitable for clinic, is too thick to be excessively propped open to influence tissue blood supply, and is too thin to cause technical problems of infirm fixation and the like.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a exempt from to sew up pancreas intestines anastomotic bracket with 3D printing, the bile intestines anastomosis of having solved current clinical application, pancreas intestines anastomosis all establish with sew up, on the basis of knoing, the mode that the most ideal alimentary canal was rebuild has an identical mode, can avoid these and sew up relevant operation, sew up the technical problem that has the needle eye naturally, the elasticity of knoing, organizational structure tear, defects such as the extension of operation time.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the 3D printing suture-free pancreatico-intestinal anastomosis stent comprises a first anastomosis tube, a second anastomosis tube and a connecting tube, wherein the first anastomosis tube and the second anastomosis tube are connected through the connecting tube, and anastomosis structures are arranged in the first anastomosis tube, the second anastomosis tube and the connecting tube;

wherein, the anastomosis structure comprises: the air inlet device comprises an air inlet valve, a first air inlet pipe, an air pipe connector, a second air inlet pipe, two pairs of third air inlet pipes with the same structure, two pairs of air bags with the same structure, two pairs of first convex thorns with the same structure, a plurality of second convex thorns with the same structure, a plurality of first drainage pipes with the same structure, a plurality of second drainage pipes with the same structure and a pair of third drainage pipes with the same structure;

the air inlet valve is installed in the connecting pipe, one end of the first air inlet pipe is connected with the air inlet valve, the air pipe connector is connected with the other end of the first air inlet pipe, one end of the second air inlet pipe is connected with the left side of the air pipe connector, one ends of the two pairs of third air inlet pipes are connected with the second air inlet pipe, one ends of the two pairs of third air inlet pipes penetrate through the outer wall surface of the first anastomosis pipe, the two pairs of air bags are connected with the third air inlet pipe, the two pairs of first convex thorns are installed at the outer wall surface of the first anastomosis pipe and are positioned on the left side of the two pairs of air bags, the plurality of second convex thorns are installed on the outer wall surface of the second anastomosis pipe, the plurality of first drainage pipes are installed at the rear part of the inner upper wall surface of the second anastomosis pipe, and the plurality of second drainage pipes are installed at, one end of each third drainage tube is connected with the corresponding first drainage tube and the corresponding second drainage tube, and the other end of each third drainage tube penetrates through the left wall surface of the corresponding first anastomosis tube.

Preferably, the first air inlet pipe and the joint of the air pipe connector are provided with a first sealing ring for preventing air leakage.

Preferably, the second air inlet pipe and the joint of the air pipe connector are provided with a second sealing ring for preventing air leakage.

Preferably, a gas pipe frame for fixing the third gas inlet pipe is arranged at the joint of the two pairs of the third gas inlet pipes and the second gas inlet pipes.

Preferably, the first and second protrusions are inclined to the right.

Preferably, the second anastomotic tube is longer than the first anastomotic tube.

Advantageous effects

The utility model provides a 3D prints and exempts from to sew up pancreas intestines support that coincide possesses following beneficial effect: the biliary-enteric anastomosis stent matched with the size of an individual bile duct of a patient in the direction is printed by using a 3D printing technology, the biliary-enteric anastomosis stent is simple in structure, convenient to use and remarkable in effect, the biliary-enteric anastomosis stent matched with the size of the individual bile duct of the patient in the direction can be printed by using the 3D printing technology according to reconstruction of preoperative image data, the biliary-enteric anastomosis stent matched with the size of the individual bile duct of the patient in the direction can be solved, the defects that the biliary-enteric anastomosis and the pancreatic-enteric anastomosis which are clinically applied are based on suture and knot are overcome, the most ideal digestive tract reconstruction mode is an anastomosis mode, the operation related to the suture can be avoided, needle eyes and the knotted tightness degree and the tearing of a tissue structure can be naturally caused by suture, the operation time is prolonged, and the gastrointestinal anastomosis is generally applied clinically because the tissue plasticity is strong, the size of an anastomosis; the shapes, sizes and calibers of the biliary tract and the pancreatic duct have great difference due to different disease properties and disease periods, and the pancreatic duct and the bile duct have poor plasticity and small pipe diameters, so that an anastomotic ring or an anastomat which is produced by a fixing mould and has consistent calibers like a gastrointestinal anastomat is not suitable for clinic, is too thick and is easy to prop open excessively to influence tissue blood supply, and is too thin and can cause technical problems of infirm fixation and the like.

Drawings

Fig. 1 is a schematic view of the 3D printed suture-free pancreatico-intestinal anastomosis stent of the present invention.

Fig. 2 is the utility model discloses a with 3D print exempt from to sew up compatible support of pancreas intestines side view structure sketch map.

Fig. 3 is a schematic view of the overlooking structure of the suture-free pancreatico-intestinal anastomosis stent printed by 3D according to the present invention.

In the figure: 1-a first anastomotic vessel; 2-a second anastomotic vessel; 3-connecting pipe; 4-an air inlet valve; 5-a first air inlet pipe; 6-a gas pipe connector; 7-a second inlet pipe; 8-a third intake pipe; 9-air bag; 10-first spur; 11-second spur; 12-a first drain tube; 13-a second draft tube; 14-a third draft tube; 15-a first sealing ring; 16-a second sealing ring; 17-gas tube rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: with 3D printing bracket that coincide of exempting from to sew up pancreas intestines, the subassembly of present case is: the first anastomosis tube 1, the second anastomosis tube 2 and the connecting tube 3 are connected, the first anastomosis tube 1 and the second anastomosis tube 2 are connected through the connecting tube 3, and the first anastomosis tube 1, the second anastomosis tube 2 and the connecting tube 3 are internally provided with anastomosis structures;

when the pancreatico-enterostomy operation is needed, the diameter of the pancreatic duct of a patient needing the hepatobiliary-pancreatic reconstruction operation is measured through CT to obtain needed 3D printing data, a biocompatible degradable material is applied to print and manufacture a 3D pancreatico-enterostomy stent, and then the pancreatico-enterostomy operation is carried out through an anastomosis structure arranged in the first anastomosis duct 1, the second anastomosis duct 2 and the connecting duct 3.

In a specific implementation, an anastomosis structure, comprising: the device comprises an air inlet valve 4, a first air inlet pipe 5, an air pipe connector 6, a second air inlet pipe 7, two pairs of third air inlet pipes 8 with the same structure, two pairs of air bags 9 with the same structure, two pairs of first convex thorns 10 with the same structure, a plurality of second convex thorns 11 with the same structure, a plurality of first drainage pipes 12 with the same structure, a plurality of second drainage pipes 13 with the same structure and a pair of third drainage pipes 14 with the same structure;

an air inlet valve 4 is arranged in a connecting pipe 3, one end of a first air inlet pipe 5 is connected with the air inlet valve 4, an air pipe connector 6 is connected with the other end of the first air inlet pipe 5, one end of a second air inlet pipe 7 is connected with the left side of the air pipe connector 6, one ends of two pairs of third air inlet pipes 8 are connected with the second air inlet pipe 7, one ends of the two pairs of third air inlet pipes 8 penetrate through the outer wall surface of the first anastomosis pipe 1, two pairs of air bags 9 are connected with the third air inlet pipe 8, two pairs of first convex thorns 10 are arranged at the outer wall surface of the first anastomosis pipe 1 and are positioned at the left side of the two pairs of air bags 9, a plurality of second convex thorns 11 are arranged on the outer wall surface of the second anastomosis pipe 2, a plurality of first drainage pipes 12 are arranged behind the inner upper wall surface of the second anastomosis pipe 2, a plurality of second drainage pipes 13 are arranged in front of the inner lower wall surface of the second, the other ends of the pair of third drainage tubes 14 penetrate through the left side wall surface of the first anastomosis tube 1.

It should be noted that, when a pancreatic suture operation needs to be performed, one side of the jejunum is opened, one end of the first anastomotic tube 1 is inserted into the opening at one side of the jejunum until the first spurs 10 are all inserted into the jejunum, the second anastomotic tube 2 is inserted into the pancreatic until the second spurs 11, the connecting tube 3 and the other end of the first anastomotic tube 1 are all inserted into the pancreatic duct, a medical staff opens a micro opening at one side of the pancreatic duct, connects the inflation tube with the air intake valve 4, conveys air from the first air intake tube 5, the tracheal connector 6, the second air intake tube 7 and the two pairs of third air intake tubes 8 into the two pairs of air cells 9, matches the first spurs 10 with the expansion capacity of the air cells 9 to tightly connect the jejunum and the pancreatic duct, and then introduces pancreatic juice in the pancreatic duct into the first drainage tube 12 and the second drainage tube 13 through the first drainage tube 12 and the second drainage tube 13 installed on the inner wall surface of the second anastomotic tube 2, and then the third drainage tube 14 connected with the first drainage tube 12 and the second drainage tube 13 drains into the jejunum through the left side of the first anastomosis tube 1.

In the specific implementation process, furthermore, a first sealing ring 15 for preventing gas leakage is arranged at the joint of the first air inlet pipe 5 and the air pipe connector 6.

In the specific implementation process, further, a second sealing ring 16 for preventing gas leakage is arranged at the joint of the second air inlet pipe 7 and the air pipe connector 6.

In the specific implementation process, further, a gas pipe frame 17 for fixing the third gas inlet pipe 8 is arranged at the joint of the two pairs of third gas inlet pipes 8 and the second gas inlet pipe 7.

In the specific implementation process, further, the first spur 10 and the second spur 11 are inclined to the right.

In practice, furthermore, the second anastomotic tube 2 is longer than the first anastomotic tube 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The 3D printing suture-free pancreaticoenterostomy support comprises a first anastomosis tube (1), a second anastomosis tube (2) and a connecting tube (3), and is characterized in that the first anastomosis tube (1) and the second anastomosis tube (2) are connected through the connecting tube (3), and anastomosis structures are arranged in the first anastomosis tube (1), the second anastomosis tube (2) and the connecting tube (3);

wherein, the anastomosis structure comprises: the air inlet device comprises an air inlet valve (4), a first air inlet pipe (5), an air pipe connector (6), a second air inlet pipe (7), two pairs of third air inlet pipes (8) with the same structure, two pairs of air bags (9) with the same structure, two pairs of first convex thorns (10) with the same structure, a plurality of second convex thorns (11) with the same structure, a plurality of first drainage pipes (12) with the same structure, a plurality of second drainage pipes (13) with the same structure and a pair of third drainage pipes (14) with the same structure;

the air inlet valve (4) is installed in the connecting pipe (3), one end of the first air inlet pipe (5) is connected with the air inlet valve (4), the air pipe connector (6) is connected with the other end of the first air inlet pipe (5), one end of the second air inlet pipe (7) is connected with the left side of the air pipe connector (6), one ends of the third air inlet pipes (8) are connected with the second air inlet pipe (7), one ends of the third air inlet pipes (8) are penetrated through the outer wall surface of the first anastomosis pipe (1), the air bags (9) are connected with the third air inlet pipes (8), the first protruding thorns (10) are installed on the outer wall surface of the first anastomosis pipe (1) and are located on the left side of the air bags (9), and the second protruding thorns (11) are installed on the outer wall surface of the second anastomosis pipe (2), a plurality of first drainage tubes (12) all install in the second is coincide tub (2) interior wall rear, and a plurality of second drainage tube (13) all install in the second is coincide tub (2) interior wall front, and is a pair of third drainage tube (14) one end all with a plurality of first drainage tube (12) and a plurality of second drainage tube (13) are connected, and is a pair of third drainage tube (14) other end all runs through in first pipe (1) left side wall department of coinciding.

2. The 3D printing suture-free pancreaticostomy support according to claim 1, characterized in that the first air inlet tube (5) is provided with a first sealing ring (15) for preventing air leakage at the connection with the air tube connector (6).

3. The 3D printing suture-free pancreaticostomy support according to claim 1, characterized in that the second air inlet tube (7) is provided with a second sealing ring (16) for preventing air leakage at the connection with the tracheal connector (6).

4. 3-D printing suture-free pancreaticostomy support according to claim 1, characterized in that the junction of the two pairs of third air inlet tubes (8) with the second air inlet tubes (7) is provided with an air tube frame (17) for fixing the third air inlet tubes (8).

5. The pancreatodstomectomy stent printed in 3D according to claim 1, characterized in that the first spur (10) and the second spur (11) are both inclined to the right.

6. The pancreaticostomic stent printed in 3D without suturing according to claim 1, characterized in that the second anastomotic tube (2) is longer than the first anastomotic tube (1).

Images