CN115100935A

CN115100935A - Novel choledochoscope and duodenoscope simulation training device

Info

Publication number: CN115100935A
Application number: CN202210229016.4A
Authority: CN
Inventors: 卢继周; 郭豫学; 王倩; 火统显; 陈睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-09-23
Anticipated expiration: 2042-03-08
Also published as: CN115100935B

Abstract

The invention relates to the technical field of medical teaching aids, and discloses a novel choledochoscope and duodenoscope simulation training device, which comprises a trunk model, wherein the top end of the trunk model is rotatably connected with a head model, an oral cavity is arranged below the front surface of the head model, the bottom end of the oral cavity extends to the lower surface of the head model, an esophagus model is arranged in the trunk model, and the top end of the esophagus model penetrates to the upper surface of the trunk model, so that low-age doctors can always perform actual simulation operation by arranging structures such as the trunk model, the head model and a stomach model, the technical level of the high-quality choledochoscope and the duodenoscope technology is improved, the popularization and the improvement of the choledochoscope and the duodenoscope technology are facilitated, and corresponding loss parts can be replaced after training by arranging a buckle, a fixing ring, a clamping groove, a cholecyst bottom model, a belly skin model, a duodenoscope nipple model, a turnover cover and a threaded ring, the device can be repeatedly used, and the training cost is reduced.

Description

Novel simulation training device for choledochoscope and duodenoscope

Technical Field

The invention relates to the technical field of medical teaching aids, in particular to a novel choledochoscope and duodenoscope simulation training device.

Background

Due to the actual conditions of China, most basic surgeons start to independently perform operations after short-term observation and training, and real entity simulation training is not available. The early-stage operation is often not smooth enough, the action is not easy to be in place, the risk of the operation and the danger of a patient are increased, a low-age physician often lacks or even has no opportunity of actual operation, the technical level is improved slowly, the popularization and the improvement of a choledochoscope and a duodenoscope technology are not facilitated, meanwhile, the Endoscopic Retrograde Cholangiopancreatography (ERCP) means that the duodenoscope is inserted into a duodenum descending part to find a duodenal papilla, a contrast catheter is inserted into a biopsy pipeline to a papillary access groove part, and an X-ray radiography is carried out after a contrast agent is injected to display the technology of the cholangiopancreatography, so that the choledochosis used for surgical stone extraction of the choledocholithiasis, and the duodenal papilla is required to be cut during the stone extraction. A novel cholangioscope and duodenoscope simulation training device with replaceable loss parts and capable of being repeatedly used is lacked.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel choledochoscope and duodenoscope simulation training device, which solves the problems in the background.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a novel choledochoscope and duodenoscope simulation training device comprises a trunk model, wherein a head model is rotatably connected to the top end of the trunk model, an oral cavity is formed below the front surface of the head model, the bottom end of the oral cavity extends to the lower surface of the head model, an esophagus model is arranged inside the trunk model, the top end of the esophagus model penetrates to the upper surface of the trunk model, the inside of the esophagus model is communicated with the inside of the oral cavity, the bottom end of the esophagus model is communicated with a stomach model, the bottom end of the stomach model is communicated with a duodenum model, an intestinal tract model is fixed at the bottom end of the duodenum model, a liver model is arranged inside the trunk model and positioned in front of the esophagus model, an intrahepatic bile duct model is fixed inside the liver model, the bottom end of the intrahepatic bile duct model penetrates to the lower part of the liver model and is communicated with a common bile duct model, the choledochus model is integrally formed on the left side of the choledochus model, the choledochus model is integrally formed at the left end of the choledochus model, buckles are symmetrically fixed on the outer surface of the choledochus model, a fixing ring is arranged on the left side of the choledochus model, clamping grooves are symmetrically formed on the outer surface of the fixing ring, the insides of the clamping grooves are clamped with the buckles, a choledochus bottom model is fixed on the left side of the fixing ring, a threaded through hole is formed in the right side of the insides of the duodenum model, the right end of the threaded through hole extends to the outer surface of the duodenum model, a threaded ring is connected in the threaded through hole in a threaded manner, a duodenal papilla model is fixed inside the duodenum model on the left side of the threaded ring, a pancreas model is fixed on the right side of the duodenum model, the bottom end of the choledochus model penetrates into the pancreas model, and a pancreatic duct model is arranged inside the pancreas model, pancreas pipe model left side with common bile duct model bottom integrated into one piece, just pancreas pipe model left end with the screw thread through-hole is inside to be linked together, intestinal model surface with truck model inside wall fixed connection, the opening has been seted up to common bile duct model surface, the opening rear end run through to inside the duodenum model, the inside flip that is equipped with of opening, the flip left side through the hinge with the duodenum model rotates to be connected, common bile duct model front surface runs through and has seted up the incision, truck model front surface has seted up logical groove, it extends to lead to the groove rear end inside the truck model, it is fixed with the spacing circle to lead to groove inside wall rear, it is located to lead to the inslot spacing circle the place ahead joint has the belly skin model.

Preferably, a navel is arranged at the center of the front surface of the belly model, the front surface of the belly model is located below the navel, a laparoscope entrance area is arranged below the navel, the front surface of the belly model is located above the navel, a common bile duct entrance area is arranged below the common bile duct entrance area on the left, a bile duct bottom entrance area is arranged below the common bile duct entrance area on the left, and a intrahepatic bile duct entrance area is arranged on the left of the through groove on the front surface of the trunk model.

Preferably, the outer surface of the belly model is attached to the inner surface of the through groove.

Preferably, the liver model, the duodenal papilla model, the belly model and the gallbladder bottom model are all made of silica gel materials.

Preferably, the buckle is made of plastic.

Preferably, the oral cavity is of an L-shaped structure.

Preferably, a plurality of blood storage grooves are formed in the belly model.

Preferably, a plurality of the blood storage grooves are distributed in a staggered manner in the transverse and longitudinal directions.

Preferably, a choker is integrally formed inside the blood storage tank.

Preferably, a spiral flap is arranged inside the gallbladder tube model.

(III) advantageous effects

The invention provides a novel choledochoscope and duodenoscope simulation training device, which has the following beneficial effects:

(1) according to the invention, by arranging the trunk model, the head model, the oral cavity, the esophagus model, the stomach model, the duodenum model, the liver model, the intrahepatic bile duct model, the common bile duct model and the cholecystosome model, actual simulation operation can be often performed by low-age doctors, the technical level of the choledochoscope and the choledochoscope is improved, the popularization and the improvement of the choledochoscope and the duodenoscope technology are facilitated, and by arranging the buckle, the fixing ring, the clamping groove, the cystic bottom model, the belly model, the duodenal papilla model, the turnover cover and the threaded ring, the corresponding loss part can be replaced after training, so that the device can be recycled, and the training cost is reduced.

(2) The invention can be suitable for four different endoscopy modes by arranging the laparoscope entrance area, the common bile duct entrance area, the cystic bottom entrance area and the intrahepatic bile duct entrance area.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the present invention after it is opened;

FIG. 4 is an enlarged view of the point A in FIG. 2;

FIG. 5 is an enlarged view of the structure at B in FIG. 2;

FIG. 6 is a schematic cross-sectional view of the present invention;

FIG. 7 is a schematic view of a top-down structure of the belly model according to the present invention;

FIG. 8 is a schematic view showing the internal structure of the gallbladder tube model according to the present invention.

In the figure: 1. a torso model; 2. a head model; 3. an oral cavity; 4. an esophageal model; 5. a stomach model; 6. a duodenal model; 7. a liver model; 8. intrahepatic bile duct models; 9. a common bile duct model; 10. a gallbladder model; 11. buckling; 12. a fixing ring; 13. a card slot; 14. a gallbladder bottom model; 15. a threaded ring; 16. duodenal papilla models; 17. a pancreas model; 18. A pancreatic duct model; 19. an intestinal tract model; 20. a port; 21. a cover is turned; 22. cutting; 23. a through groove; 24. a limiting ring; 25. a belly model; 26. a navel; 27. a laparoscopic access region; 28. A common bile duct entrance zone; 29. the gallbladder base entrance region; 30. the intrahepatic bile duct entrance area; 31. a blood storage tank; 32. a threaded through hole; 33. a choke coil; 34. a gallbladder tube model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the present invention provides a technical solution: a novel choledochoscope and duodenoscope simulation training device comprises a trunk model 1, wherein the top end of the trunk model 1 is rotatably connected with a head model 2, an oral cavity 3 is arranged below the front surface of the head model 2, the bottom end of the oral cavity 3 extends to the lower surface of the head model 2, an esophagus model 4 is arranged inside the trunk model 1, the top end of the esophagus model 4 penetrates through the upper surface of the trunk model 1, the inside of a spear cavity 3 inside the esophagus model 4 is communicated, the bottom end of the esophagus model 4 is communicated with a stomach model 5, the bottom end of the stomach model 5 is communicated with a duodenum model 6, the bottom end of the duodenum model 6 is fixed with an intestinal tract model 19, a liver model 7 is arranged inside the trunk model 1 and positioned in front of the esophagus model 4, an intrahepatic bile duct model 8 is fixed inside the liver model 7, the bottom end of the intrahepatic bile duct model 8 penetrates below the liver model 7 and is communicated with a common bile duct model 9, a choledochoscope model 34 is integrally formed on the left side of the common bile duct model 9, the left end of the cholecystoscope model 34 is integrally formed with a cholecystoscope model 10, buckles 11 are symmetrically fixed on the outer surface of the cholecystoscope model 10, a fixing ring 12 is arranged on the left side of the cholecystoscope model 10, clamping grooves 13 are symmetrically formed on the outer surface of the fixing ring 12, the interior of each clamping groove 13 is clamped with the buckle 11, a cholecystoscope bottom model 14 is fixed on the left side of the fixing ring 12, a threaded through hole 32 is formed on the right side of the interior of a duodenal model 6, the right end of the threaded through hole 32 extends to the outer surface of the duodenal model 6, a threaded ring 15 is connected with the interior of the threaded through hole 32 in a threaded manner, a duodenal papilla model 16 is fixed on the left side of the threaded ring 15 and located inside the duodenal model 6, a pancreas model 17 is fixed on the right side of the duodenal model 6, the bottom end of a common bile duct model 9 penetrates into the pancreas model 17, a pancreatic duct model 18 is arranged inside the pancreatic duct model 17, and the left side of the pancreatic duct model 18 and the bottom end of the common bile duct model 9 are integrally formed, and 18 left ends of pancreas pipe model are linked together with screw through hole 32 is inside, 19 surface of intestinal canal model and 1 inside wall fixed connection of truck model, opening 20 has been seted up to 6 surfaces of duodenum model, opening 20 rear end runs through to 6 insides of duodenum model, opening 20 is inside to be equipped with flip 21, flip 21 left side is passed through the hinge and is connected with the rotation of duodenum model 6, common bile duct model 9 front surface runs through and has been seted up incision 22, logical groove 23 has been seted up to 1 front surface of truck model, it extends to 1 insides of truck model to lead to groove 23 rear end, it is fixed with spacing ring 24 to lead to groove 23 inside, it has belly skin model 25 to lead to the inside joint that is located spacing ring 24 the place ahead of groove 23, can be as required through incision 22 before using and place artificial calculus in common bile duct model 9 inside, make can simulate the gallstone state.

Further, a navel 26 is arranged in the center of the front surface of the belly model 25, a laparoscope entrance area 27 is arranged below the belly model 25 and below the navel 26, a common bile duct entrance area 28 is arranged above the belly model 25 and above the belly model 26 and a gallbladder bag bottom entrance area 29 is arranged below the common bile duct entrance area 28 and on the front surface of the belly model 25 and below the common bile duct entrance area 28, an intrahepatic bile duct entrance area 30 is arranged on the left side of the through groove 23 and on the front surface of the trunk model 1, the belly model 25 can be taken out and replaced from the inside of the through groove 23 by pulling the belly model 26 through buckling, during simulated training, an opening is cut in the laparoscope entrance area 27, a laparoscope is inserted into the trunk model 1 through the opening to perform laparoscopic training, and the laparoscope entrance area 27 corresponds to the position below the human belly model 26; cutting an opening in the common bile duct inlet area 28, wherein the opening is a linear 1CM wound, the common bile duct inlet area 28 corresponds to the lower part of the xiphoid process of a human body, and a choledochoscope passes through the opening to enter the trunk model 1 and enters the common bile duct model 9 through the cut 22 to perform choledochoscope training; cutting an opening at the gallbladder bottom entrance area 29, wherein the opening is a 1CM wound, a choledochoscope can enter the trunk model through the wound, the gallbladder bottom model 14 is cut through an instrument to be a 1CM wound, and the gallbladder bottom model 14 enters the gallbladder through the wound for training, and corresponds to the position of the gallbladder of a human body; the entrance area 30 of the intrahepatic bile duct is punctured, a channel communicated with the intrahepatic bile duct model 8 in the liver model 7 is established, a percutaneous transhepatic entrance is formed through the channel, examination and operation training of the biliary tract can be achieved through the percutaneous transhepatic entrance, and the entrance area 30 of the intrahepatic bile duct corresponds to the tenth intercostal space of the human body.

Further, belly model 25 surface laminates with logical groove 23 internal surface mutually for belly model 25 can block in leading to the inslot 23, and spacing collar 24 is spacing to belly model 25, prevents that it from dropping inside trunk model 1.

Furthermore, the liver model 7, the duodenal papilla model 16, the belly model 25 and the gallbladder bottom model 14 are all made of silica gel materials, and the silica gel materials can be closer to the texture of human tissues.

Furthermore, the buckle 11 is made of plastic, and the plastic has elasticity and can be acted on by a human body.

Further, the oral cavity 3 has an L-shaped structure, so that Endoscopic Retrograde Cholangiopancreatography (ERCP) can be performed better.

Further, a plurality of blood storage grooves 31 are arranged in the belly model 25, and the blood storage grooves 31 are filled with artificial plasma.

Furthermore, crisscross distribution is violently indulged between a plurality of blood storage tank 31, can cut blood storage tank 31 when the operation cutting, can not prevent to can't simulate the blood outflow state after the cutting because of the gap cutting between the follow blood storage tank 31.

Furthermore, the choked flow ring 33 is integrally formed inside the blood storage tank 31, so that artificial blood inside the single blood storage tank 31 cannot directly flow out after being cut and exposed, and the effects of accelerating bleeding and stopping bleeding can be achieved under extrusion.

Further, the spiral valve is arranged in the gallbladder tube model 34, and the gallbladder tube state of the human body can be simulated.

In conclusion, the work flow of the invention is as follows: before use, artificial stones can be placed in the common bile duct model 9 through the cut 22, so that the state of the gallstones can be simulated, during simulation training, an opening is cut in a laparoscope entrance area 27, a laparoscope is inserted into the trunk model 1 through the opening for laparoscopic training, and the laparoscope entrance area 27 corresponds to the position below a human navel 26; cutting an opening in a common bile duct inlet area 28, wherein the opening is a linear 1CM wound, the common bile duct inlet area 28 corresponds to the lower part of the xiphoid process of a human body, passing a choledochoscope through the opening to enter the trunk model 1, and entering the common bile duct model 9 through the cut 22 to perform choledochoscope training; cutting an opening at the entrance area 29 of the gallbladder bottom, wherein the opening is a 1CM wound, a choledochoscope can enter the trunk model through the wound, the gallbladder bottom model 14 is cut through an instrument to form a 1CM wound, and the gallbladder bottom model enters the wound for training; puncturing an entrance area 30 of an intrahepatic bile duct, establishing a channel communicated with an intrahepatic bile duct model 8 in a liver model 7, forming a percutaneous transhepatic entrance through the channel, and achieving examination and operation training of the biliary tract through the percutaneous transhepatic entrance; when performing Endoscopic Retrograde Cholangiopancreatography (ERCP) training, an endoscope enters through the oral cavity 3, enters into the duodenal model 6 through the esophageal model 4 and the gastric model 5, and cuts the duodenal papilla model 16, so that stones in the common bile duct model 9 can be taken out, the flip cover 21 is turned over and opened, the used duodenal papilla model 16 is turned to separate the threaded ring 15 from the threaded through hole 32, a new duodenal papilla model 16 and the threaded ring 15 are replaced, then the flip cover 21 is closed, calculus taking training through Endoscopic Retrograde Cholangiopancreatography (ERCP) can be repeatedly performed, the gallbladder bottom model 14 is manually pulled to separate the buckle 11 from the clamping groove 13, the fixing ring 12 is detached from the used gallbladder bottom model 14, the new gallbladder bottom model 14 and the fixing ring 12 are installed through the buckle 11, and cholangioscopy training can be repeatedly performed; the head model 2 can be manually rotated left and right so as to achieve a proper state.

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.

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

1. The utility model provides a novel choledochoscope, duodenoscope simulation training set, includes trunk model (1), its characterized in that: the utility model discloses a liver model, including trunk model (1), head model (2), oral cavity (3) have been seted up to head model (2) front surface below, oral cavity (3) bottom extends to head model (2) lower surface, trunk model (1) inside is equipped with esophagus model (4), esophagus model (4) top runs through to trunk model (1) upper surface, just esophagus model (4) inside spear oral cavity (3) inside is linked together, esophagus model (4) bottom intercommunication has stomach model (5), stomach model (5) bottom intercommunication has duodenum model (6), duodenum model (6) bottom mounting has intestinal canal model (19), trunk model (1) inside is located esophagus model (4) the place ahead is equipped with liver model (7), liver model (7) inside is fixed with intrahepatic bile duct model (8), the bottom end of the intrahepatic bile duct model (8) penetrates below the liver model (7) and is communicated with a common bile duct model (9), the left side of the common bile duct model (9) is integrally formed with the cholecystectomy model (34), the left end of the cholecystectomy model (34) is integrally formed with the cholecystectomy model (10), the outer surface of the cholecystectomy model (10) is symmetrically fixed with buckles (11), the left side of the cholecystectomy model (10) is provided with a fixing ring (12), the outer surface of the fixing ring (12) is symmetrically provided with clamping grooves (13), the inner parts of the clamping grooves (13) are clamped with the buckles (11), the left side of the fixing ring (12) is fixed with a cystic bottom model (14), the right side of the inner part of the duodenal model (6) is provided with a threaded through hole (32), and the right end of the threaded through hole (32) extends to the outer surface of the duodenal model (6), the utility model discloses a duodenum model, including threaded through hole (32), threaded ring (15), duodenal papilla model (6), pancreaticosis model (9), pancreaticosis model (6), pancreaticosis model (9), pancreaticosis model (15) left side is located duodenal papilla model (6) is inside to be fixed with duodenal papilla model (16), pancreaticosis model (6) right side is fixed with pancreaticosis model (17), pancreaticosis model (18) left side with choledocsis model (9) bottom integrated into one piece, just pancreaticosis model (18) left end with threaded through hole (32) is inside to be linked together, intestinal canal model (19) surface with truck model (1) inside wall fixed connection, opening (20) have been seted up to duodenal sclerosis model (6) surface, opening (20) rear end runs through to inside duodenal papilla model (6), opening (20) inside is equipped with flip (21), flip (21) left side through the hinge with duodenum model (6) rotate and connect, common bile duct model (9) front surface runs through and has seted up incision (22), logical groove (23) have been seted up to trunk model (1) front surface, it extends to lead to groove (23) rear end truck model (1) inside, it is fixed with spacing ring (24) to lead to groove (23) inside wall rear, it is located to lead to groove (23) inside spacing ring (24) the place ahead joint has belly skin model (25).

2. The novel choledochoscope and duodenoscope simulation training device according to claim 1, wherein: navel (26) have been seted up at navel model (25) front surface center department, navel model (25) front surface is located navel (26) below is equipped with peritoneoscope entry area (27), navel model (25) front surface is located navel (26) top is equipped with common bile duct entry area (28), navel model (25) front surface is located common bile duct entry area (28) left side below is equipped with gallbladder end entry area (29), trunk model (1) front surface is located logical groove (23) left side is equipped with intrahepatic bile duct entry area (30).

3. The novel choledochoscope and duodenoscope simulation training device according to claim 1, wherein: the outer surface of the belly model (25) is attached to the inner surface of the through groove (23).

4. The novel choledochoscope and duodenoscope simulation training device according to claim 1, wherein: the liver model (7), the duodenal papilla model (16), the belly model (25) and the gallbladder bottom model (14) are all made of silica gel.

5. The novel choledochoscope and duodenoscope simulation training device according to claim 1, wherein: the buckle (11) is made of plastic materials.

6. The novel choledochoscope and duodenoscope simulation training device according to claim 1, wherein: the oral cavity (3) is of an L-shaped structure.

7. The novel choledochoscope and duodenoscope simulation training device according to claim 1, wherein: the belly model (25) is internally provided with a plurality of blood storage grooves (31).

8. The novel choledochoscope and duodenoscope simulation training device according to claim 7, wherein: the plurality of blood storage grooves (31) are distributed in a staggered way in the transverse and longitudinal directions.

9. The novel choledochoscope and duodenoscope simulation training device according to claim 7, wherein: a choke coil (33) is integrally formed in the blood storage groove (31).

10. The novel choledochoscope and duodenoscope simulation training device according to claim 1, wherein: the spiral valve is arranged inside the cholecyst tube model (34).