CN113712495B - Tubular device for guiding operation of choledochoscope during endoscopic common bile duct exploration - Google Patents

Tubular device for guiding operation of choledochoscope during endoscopic common bile duct exploration Download PDF

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Publication number
CN113712495B
CN113712495B CN202111087490.XA CN202111087490A CN113712495B CN 113712495 B CN113712495 B CN 113712495B CN 202111087490 A CN202111087490 A CN 202111087490A CN 113712495 B CN113712495 B CN 113712495B
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China
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pipeline
hollow pipeline
choledochoscope
hollow
bile duct
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CN113712495A (en
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周慧江
舒妍
王帅
徐成才
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/313Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3478Endoscopic needles, e.g. for infusion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2212Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop

Abstract

The invention belongs to the field of medical equipment, in particular to a tubular device for guiding a choledochoscope to operate in an endoscopic common bile duct exploration, which comprises a first hollow pipeline, a second hollow pipeline and a lubricating unit, wherein the first hollow pipeline is connected with the first hollow pipeline; the lower end of the first hollow pipeline is obliquely communicated and fixedly connected with a second hollow pipeline; a lubricating unit is arranged in the first hollow pipeline; the direction of the second hollow pipeline is changed by rotating the first hollow pipeline, and if the lower end of the common bile duct is to be explored, the direction of the second hollow pipeline can be towards the lower end of the bile duct; the soft part of the choledochoscope body passes through the first hollow pipeline and the second hollow pipeline and enters the corresponding bile duct part to be probed, the choledochoscope hose cannot be excessively bent in the device, the endoscope entering direction does not need to be adjusted by using a scope holding clamp, and the damage to the choledochoscope hose is greatly reduced.

Description

Tubular device for guiding operation of choledochoscope during endoscopic common bile duct exploration
Technical Field
The invention relates to the field of medical equipment, in particular to a tubular device for guiding a choledochoscope to operate during an endoscopic common bile duct exploration.
Background
The choledochoscope is mainly used for treating bile duct stones, has unique advantages particularly in the aspect of treating intrahepatic bile duct stones, and is one of main diagnosis and treatment means for biliary tract surgical diseases.
The choledochoscope mainly adjusts the bending of the lens in the up-down direction by controlling an angle button of a hard part by an operator thumb, and controls the left-right direction by rotating a choledochoscope body; in the laparoscope biliary tract exploration operation, the soft part of the endoscope body is excessively bent, and the soft part of the endoscope body is clamped by using a non-professional endoscope holding clamp or an angle recovery button is not arranged during endoscope withdrawing, so that the damage of the biliary tract endoscope body, particularly the damage of the head end of a hose, can be caused.
For a cholangioscope beginner, when controlling a soft part of a cholangioscope body, the soft part is easy to be excessively bent or a non-professional scope holding clamp is used for holding a soft tip, so that the cholangioscope is damaged; therefore, a tubular device for guiding the operation of a choledochoscope in endoscopic common bile duct exploration is provided for solving the problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problem that a cholangioscope beginner is easy to cause excessive bending of a soft part or damage of the cholangioscope due to the fact that a non-professional scope holding clamp is used for holding a soft tip when the soft part of a cholangioscope body is controlled, the invention provides a tubular device for guiding the operation of the cholangioscope during an endoscopic common bile duct exploration.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a tubular device for guiding a choledochoscope to operate in an endoscopic common bile duct exploration, which comprises a first hollow pipeline, a second hollow pipeline and a lubricating unit, wherein the first hollow pipeline is connected with the second hollow pipeline through a pipeline; the lower end of the first hollow pipeline is obliquely communicated and fixedly connected with a second hollow pipeline; a lubricating unit is arranged in the first hollow pipeline; the lubricating unit comprises a quick-release pipeline, a supporting pipeline, a mounting hole, a supporting shaft and an anti-falling block; the quick-release pipeline is inserted in the first hollow pipeline; a supporting pipeline is inserted in the quick-release pipeline; a plurality of mounting holes are formed in the supporting pipeline in a surrounding mode; a support shaft is inserted into the mounting hole; one end of the supporting shaft is detachably and fixedly connected with an anti-falling block; the other end of the supporting shaft is fixedly connected with a rotating joint; the rotating joint is symmetrically sleeved with guide hemispheres; a rotation limiting pipe is sleeved on the guide hemisphere; the rotation limiting pipe is fixedly connected to the inner surface of the supporting pipeline; when the medical puncture outfit works, the first hollow pipeline and the second hollow pipeline which are made of medical PVC plastics enable the second hollow pipeline to be deformed and conveniently penetrate through the puncture outfit, the second hollow pipeline can recover the deformation after penetrating through the puncture outfit, the direction of the second hollow pipeline can be changed by rotating the first hollow pipeline, and if the lower end of the common bile duct is to be probed, the second hollow pipeline can be enabled to face the lower end of the bile duct; the soft part of the choledochoscope body passes through the first hollow pipeline and the second hollow pipeline and enters the corresponding bile duct part to be explored along the first hollow pipeline and the second hollow pipeline after the first hollow pipeline and the second hollow pipeline are placed, the choledochoscope hose cannot be excessively bent in the device, and the scope entering direction does not need to be adjusted by using a scope holding clamp, so that the damage to the choledochoscope hose is greatly reduced; the surface abrasion of the choledochoscope is reduced through the rolling friction between the guide hemisphere connected in a rotating mode and the pipeline of the choledochoscope, and therefore the service life is prolonged.
Preferably, a sealing pipe is fixedly connected to the rotation limiting pipe in a sealing manner; a lubricating cavity is formed between the sealing pipe and the supporting pipeline in a sealing mode; during operation, a lubricating cavity is formed between the sealing pipe and the supporting pipeline in a sealing mode, so that the lubricating cavity can be filled with physiological saline to reduce the frictional resistance with the choledochoscope.
Preferably, the rotation limiting pipe is provided with a lubricating through hole; the lubricating cavity is filled with physiological saline; during operation, through being filled with normal saline in lubricated cavity for the sealed tube is receiving the extrusion back, and normal saline can be through lubricated through-hole and direction hemisphere contact, then reduces the frictional force of direction hemisphere and cholangioscope, and reducing wear.
Preferably, a fixed baffle is sleeved on the first hollow pipeline; the fixed baffle is provided with a threaded hole; during operation, can fix with the puncture ware through fixed stop plate cooperation screw hole, realize stably fixing first cavity pipeline and puncture ware.
Preferably, the internal thread of the threaded hole is engaged with a clamping threaded shaft; the upper end of the clamping threaded shaft is fixedly connected with an upper limiting baffle; the upper end of the upper limit baffle is fixedly connected with a rotating plate; during operation, through the thread engagement of centre gripping threaded spindle and screw hole for can change the distance of surface about centre gripping threaded spindle and the fixed stop through rotating centre gripping threaded spindle, thereby the different puncture ware of adaptation, simultaneously in the rotor plate shape of large tracts of land, make conveniently grip the rotor plate and rotate the lower extreme of adjusting centre gripping threaded spindle and the distance of fixed stop, come the different puncture ware of adaptation.
Preferably, the lower end of the clamping threaded shaft is fixedly connected with a lower limiting block through threads; a lower limiting plate is sleeved on the upper limiting block in a clearance manner; during operation, through the lower end thread rigid coupling of lower stopper and centre gripping screw shaft, the clearance has cup jointed lower limiting plate down on the stopper down simultaneously for lower limiting plate can be on lower stopper circumference rotation, thereby the not unidimensional puncture ware of adaptation.
Preferably, one surface of the lower limiting plate is fixedly connected with an anti-skid pad in a slotted manner; the anti-skid pad is made of medical rubber; when the puncture device works, the antiskid pad made of medical rubber enables the lower limiting plate and the puncture device to realize large-resistance antiskid and stable clamping.
Preferably, the first hollow pipe and the second hollow pipe are made of medical PVC plastics; an acute angle between the first hollow conduit and the second hollow conduit is thirty degrees; when the medical puncture outfit works, the first hollow pipeline and the second hollow pipeline which are made of medical PVC plastics enable the second hollow pipeline to be deformed and conveniently penetrate through the puncture outfit, the second hollow pipeline can recover the deformation after penetrating through the puncture outfit, the direction of the second hollow pipeline can be changed by rotating the first hollow pipeline, and if the lower end of the common bile duct is to be probed, the second hollow pipeline can be enabled to face the lower end of the bile duct; the soft part of the choledochoscope body passes through the first hollow pipeline and the second hollow pipeline and enters the corresponding bile duct part to be explored along the first hollow pipeline and the second hollow pipeline after the first hollow pipeline and the second hollow pipeline are placed, the choledochoscope hose cannot be excessively bent in the device, the scope entering direction does not need to be adjusted by using a scope holding clamp, the damage to the choledochoscope hose is greatly reduced, in addition, stones collected by using the stone taking net basket under the choledochoscope can be firstly retracted and placed in the hollow sleeve, then the sleeve together with the net basket and the choledochoscope are taken out of the body from the puncture outfit, and the stones are prevented from being scattered in the abdominal cavity in the stone taking process.
The invention has the advantages that:
1. according to the medical puncture outfit, the first hollow pipeline and the second hollow pipeline are made of medical PVC plastics, so that the second hollow pipeline can be deformed to conveniently penetrate through the puncture outfit and can recover from deformation after penetrating through the puncture outfit, the direction of the second hollow pipeline can be changed by rotating the first hollow pipeline, and if the lower end of the bile duct main pipe is to be probed, the second hollow pipeline can be oriented to the lower end of the bile duct; the soft part of the choledochoscope body passes through the first hollow pipeline and the second hollow pipeline and enters the corresponding bile duct part to be explored along the first hollow pipeline and the second hollow pipeline after the first hollow pipeline and the second hollow pipeline are placed, the choledochoscope hose cannot be excessively bent in the device, and the scope entering direction does not need to be adjusted by using a scope holding clamp, so that the damage to the choledochoscope hose is greatly reduced; the surface abrasion of the choledochoscope is reduced through the rolling friction between the rotatably connected guide hemisphere and the pipeline of the choledochoscope, so that the service life is prolonged;
2. the invention can change the distance between the clamping threaded shaft and the upper and lower surfaces of the fixed baffle by rotating the clamping threaded shaft through the threaded engagement of the clamping threaded shaft and the threaded hole, thereby adapting to different puncture devices.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a first hollow duct according to a first embodiment;
FIG. 2 is a cross-sectional front view of the first embodiment;
FIG. 3 is a schematic front view, partially in cross section, of a first embodiment;
FIG. 4 is a schematic top view of a cross-sectional structure according to the first embodiment;
fig. 5 is a schematic front view of the second embodiment.
In the figure: 1. a first hollow conduit; 2. a second hollow conduit; 3. quickly disassembling the pipeline; 4. supporting the pipeline; 5. mounting holes; 6. a support shaft; 7. an anti-falling block; 8. a rotating joint; 9. a guiding hemisphere; 10. rotating the confinement tube; 11. lubricating the through hole; 12. sealing the tube; 13. lubricating the cavity; 14. fixing a baffle plate; 15. a threaded hole; 16. clamping the threaded shaft; 17. an upper limiting baffle; 18. a rotating plate; 19. a lower limiting block; 20. a lower limiting plate; 21. a non-slip mat; 22. a medical adhesive tape.
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.
Example one
Referring to fig. 1-4, a tubular device for guiding the operation of a choledochoscope during endoscopic choledochoscope exploration comprises a first hollow tube 1, a second hollow tube 2 and a lubricating unit; the lower end of the first hollow pipeline 1 is obliquely communicated and fixedly connected with a second hollow pipeline 2; a lubricating unit is arranged in the first hollow pipeline 1; the lubricating unit comprises a quick-release pipeline 3, a supporting pipeline 4, a mounting hole 5, a supporting shaft 6 and an anti-falling block 7; the quick-release pipeline 3 is inserted in the first hollow pipeline 1; a supporting pipeline 4 is inserted in the quick-release pipeline 3; a plurality of mounting holes 5 are circumferentially arranged on the supporting pipeline 4; a supporting shaft 6 is inserted into the mounting hole 5; one end of the supporting shaft 6 is detachably and fixedly connected with an anti-falling block 7; the other end of the supporting shaft 6 is fixedly connected with a rotating joint 8; the rotating joint 8 is symmetrically sleeved with guide hemispheres 9; a rotation limiting pipe 10 is sleeved on the guide hemisphere 9; the rotation limiting pipe 10 is fixedly connected to the inner surface of the supporting pipeline 4; when the medical puncture outfit works, the first hollow pipeline 1 and the second hollow pipeline 2 made of medical PVC plastics enable the second hollow pipeline 2 to be deformed and conveniently pass through the puncture outfit, the second hollow pipeline 2 can recover the deformation after passing through the puncture outfit, the direction of the second hollow pipeline 2 can be changed by rotating the first hollow pipeline 1, and if the lower end of the common bile duct is to be probed, the direction of the second hollow pipeline 2 can be towards the lower end of the common bile duct; the common hepatic duct or the intrahepatic bile duct is to be explored, the second hollow pipeline 2 is enabled to face the intrahepatic direction, after the first hollow pipeline 1 and the second hollow pipeline 2 are placed, the soft part of the choledochoscope body passes through the first hollow pipeline 1 and the second hollow pipeline 2 and enters the corresponding bile duct part to be explored along the first hollow pipeline 1 and the second hollow pipeline 2, the choledochoscope hose cannot be excessively bent in the device, and the scope-holding forceps are not needed to be used for adjusting the scope-entering direction, so that the damage to the choledochoscope hose is greatly reduced; the surface abrasion of the choledochoscope is reduced through the rolling friction between the guide hemisphere 9 connected in a rotating mode and the pipeline of the choledochoscope, and therefore the service life is prolonged.
A sealing pipe 12 is fixedly connected to the rotation limiting pipe 10 in a sealing manner; a lubricating cavity 13 is formed between the sealing pipe 12 and the supporting pipeline 4 in a sealing way; during operation, a lubricating cavity 13 is formed between the sealing tube 12 and the supporting pipeline 4 in a sealing mode, so that the lubricating cavity 13 can be filled with physiological saline to reduce the frictional resistance with the choledochoscope.
A lubricating through hole 11 is formed in the rotation limiting pipe 10; the lubricating cavity 13 is filled with normal saline; during operation, through being filled with normal saline in lubricated cavity 13 for sealed tube 12 is receiving the extrusion back, and normal saline can be through lubricated through-hole 11 and the contact of direction hemisphere 9, then reduces the frictional force of direction hemisphere 9 and choledochoscope, and the reducing wear.
A fixed baffle 14 is sleeved on the first hollow pipeline 1; a threaded hole 15 is formed in the fixed baffle 14; during operation, can fix with the puncture ware through fixed stop 14 cooperation screw hole 15, realize fixing first cavity pipeline 1 and puncture ware is stable.
A clamping threaded shaft 16 is connected with the internal thread of the threaded hole 15 in a meshing manner; the upper end of the clamping threaded shaft 16 is fixedly connected with an upper limiting baffle 17; the upper end of the upper limiting baffle 17 is fixedly connected with a rotating plate 18; during operation, through the thread engagement of centre gripping threaded shaft 16 and screw hole 15 for can change the distance of centre gripping threaded shaft 16 and fixed stop 14 upper and lower surface through rotating centre gripping threaded shaft 16, thereby the different puncture ware of adaptation, simultaneously in the rotor plate 18 shape of large tracts of land, make conveniently grip rotor plate 18 and rotate the distance of adjusting the lower extreme of centre gripping threaded shaft 16 and fixed stop 14, come the different puncture ware of adaptation.
The lower end of the clamping threaded shaft 16 is fixedly connected with a lower limiting block 19 through threads; a lower limiting plate 20 is sleeved on the lower limiting block 19 in a clearance manner; during operation, the lower limiting block 19 is fixedly connected with the lower end threads of the clamping threaded shaft 16, and the lower limiting plate 20 is sleeved on the lower limiting block 19 in a clearance mode, so that the lower limiting plate 20 can rotate on the lower limiting block 19 in a circumferential mode, and the lower limiting block is matched with puncture outfits of different sizes.
One surface of the lower limiting plate 20 is fixedly connected with an anti-skid pad 21 in a slotted manner; the anti-skid pad 21 is made of medical rubber; when the puncture outfit works, the antiskid pad 21 made of medical rubber enables the lower limiting plate 20 and the puncture outfit to realize large-resistance antiskid and stable clamping.
The first hollow pipeline 1 and the second hollow pipeline 2 are made of medical PVC plastics; the acute angle between the first hollow pipe 1 and the second hollow pipe 2 is thirty degrees; when the medical puncture outfit works, the first hollow pipeline 1 and the second hollow pipeline 2 made of medical PVC plastics enable the second hollow pipeline 2 to be deformed and conveniently pass through the puncture outfit, the second hollow pipeline 2 can recover the deformation after passing through the puncture outfit, the direction of the second hollow pipeline 2 can be changed by rotating the first hollow pipeline 1, and if the lower end of the common bile duct is to be probed, the direction of the second hollow pipeline 2 can be towards the lower end of the common bile duct; the choledochoscope or the hepatobiliary tract are to be explored, the second hollow pipeline 2 is made to face the direction of the liver, after the first hollow pipeline 1 and the second hollow pipeline 2 are placed, the soft part of the choledochoscope body passes through the first hollow pipeline 1 and the second hollow pipeline 2 and enters the corresponding bile duct part to be explored along the first hollow pipeline 1 and the second hollow pipeline 2, the choledochoscope hose cannot be excessively bent in the device, the choledochoscope entering direction does not need to be adjusted by using a choledochoscope, and the damage to the choledochoscope hose is greatly reduced.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, the fixing baffle 14 is adhered to the first hollow pipe 1 by medical adhesive tape 22; during operation, can fix the optional position on first cavity pipeline 1 with the fixed stop 14 that slides and cup joint on first cavity pipeline 1 through medical sticky tape 22 to can adapt not unidimensional puncture ware, realize first cavity pipeline 1 and the stable fixed of puncture ware, make things convenient for going on of minimal access surgery.
According to the working principle, the first hollow pipeline 1 and the second hollow pipeline 2 made of medical PVC plastics enable the second hollow pipeline 2 to be deformed and conveniently penetrate through the puncture outfit, the second hollow pipeline 2 can recover from deformation after penetrating through the puncture outfit, the direction of the second hollow pipeline 2 can be changed by rotating the first hollow pipeline 1, and if the lower end of the common bile duct is to be probed, the second hollow pipeline 2 can face the lower end of the bile duct; the common hepatic duct or intrahepatic bile duct is to be explored, the second hollow pipeline 2 is enabled to face the intrahepatic direction, after the first hollow pipeline 1 and the second hollow pipeline 2 are placed, the soft part of the choledochoscope body passes through the first hollow pipeline 1 and the second hollow pipeline 2 and enters the corresponding bile duct part to be explored along the same direction, the choledochoscope hose cannot be excessively bent in the device, and the scope entering direction does not need to be adjusted by using a scope holding clamp, so that the damage to the choledochoscope hose is greatly reduced, in addition, the calculus collected by using the calculus taking basket under the choledochoscope can be firstly retracted and placed in the hollow casing, then the casing together with the basket and the choledochoscope are taken out of the body from the puncture outfit, and the calculus is prevented from being scattered in the abdominal cavity in the calculus taking process; through the rolling friction between the guide hemisphere 9 connected in a rotating way and the pipeline of the choledochoscope, the surface abrasion of the choledochoscope is reduced, and the service life is prolonged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (6)

1. The utility model provides a tubular device that is used for guide choledochoscope operation during scope common bile duct exploration art which characterized in that: comprises a first hollow pipeline (1), a second hollow pipeline (2) and a lubricating unit; the lower end of the first hollow pipeline (1) is obliquely communicated and fixedly connected with a second hollow pipeline (2); a lubricating unit is arranged in the first hollow pipeline (1); the lubricating unit comprises a quick-release pipeline (3), a supporting pipeline (4), a mounting hole (5), a supporting shaft (6) and an anti-falling block (7); the quick-release pipeline (3) is inserted in the first hollow pipeline (1); a supporting pipeline (4) is inserted in the quick-release pipeline (3); a plurality of mounting holes (5) are formed in the supporting pipeline (4) in a surrounding manner; a supporting shaft (6) is inserted in the mounting hole (5); one end of the supporting shaft (6) is detachably and fixedly connected with an anti-falling block (7); the other end of the supporting shaft (6) is fixedly connected with a rotating joint (8); the rotating joint (8) is symmetrically sleeved with guide hemispheres (9); a rotation limiting pipe (10) is sleeved on the guide hemisphere (9); the rotation limiting pipe (10) is fixedly connected to the inner surface of the supporting pipeline (4);
a sealing pipe (12) is fixedly connected to the rotation limiting pipe (10) in a sealing way; a lubricating cavity (13) is formed between the sealing pipe (12) and the supporting pipeline (4) in a sealing mode;
a lubricating through hole (11) is formed in the rotation limiting pipe (10); and the lubricating cavity (13) is filled with physiological saline.
2. A tubular device for guiding the operation of a choledochoscope during an endoscopic common bile duct exploration procedure according to claim 1, wherein: a fixed baffle (14) is sleeved on the first hollow pipeline (1); the fixed baffle (14) is provided with a threaded hole (15).
3. A tubular device for guiding the operation of a choledochoscope during an endoscopic common bile duct exploration procedure according to claim 2, wherein: the internal thread of the threaded hole (15) is engaged and connected with a clamping threaded shaft (16); the upper end of the clamping threaded shaft (16) is fixedly connected with an upper limiting baffle (17); the upper end of the upper limiting baffle (17) is fixedly connected with a rotating plate (18).
4. A tubular device for guiding the operation of a choledochoscope during an endoscopic common bile duct exploration procedure according to claim 3, wherein: the lower end of the clamping threaded shaft (16) is fixedly connected with a lower limiting block (19) through threads; and a lower limiting plate (20) is sleeved on the lower limiting block (19) in a clearance manner.
5. A tubular device for guiding the operation of a choledochoscope during laparoscopic common bile duct exploration according to claim 4, wherein: one surface of the lower limiting plate (20) is fixedly connected with an anti-skid pad (21) in a slotted manner; the non-slip mat (21) is made of medical rubber.
6. A tubular device for guiding the operation of a choledochoscope during an endoscopic common bile duct exploration procedure according to claim 5, wherein: the first hollow pipeline (1) and the second hollow pipeline (2) are made of medical PVC plastic; the acute angle between the first hollow pipe (1) and the second hollow pipe (2) is thirty degrees.
CN202111087490.XA 2021-09-16 2021-09-16 Tubular device for guiding operation of choledochoscope during endoscopic common bile duct exploration Active CN113712495B (en)

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CN202111087490.XA CN113712495B (en) 2021-09-16 2021-09-16 Tubular device for guiding operation of choledochoscope during endoscopic common bile duct exploration

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CN113712495B true CN113712495B (en) 2022-09-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6440061B1 (en) * 2000-03-24 2002-08-27 Donald E. Wenner Laparoscopic instrument system for real-time biliary exploration and stone removal
CN205814291U (en) * 2016-06-03 2016-12-21 宜兴市第二人民医院 A kind of Novel biliary tract mirror coating guiding tube
CN109124700A (en) * 2018-07-27 2019-01-04 上海市东方医院 Exploration of common bile duct sheath
CN208910200U (en) * 2018-05-07 2019-05-31 德阳市人民医院 Choledochoscope guide device under a kind of laparoscope with annular air-pocket
CN208973788U (en) * 2018-09-06 2019-06-14 高州市人民医院 A kind of laparoscope bile duct exploration converter
CN210055967U (en) * 2019-04-30 2020-02-14 中山大学附属第三医院 Soft choledochoscope guide structure
CN210144722U (en) * 2019-05-07 2020-03-17 山东大学齐鲁医院 Laparoscope choledochoscope and trocar for guiding choledochoscope

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6440061B1 (en) * 2000-03-24 2002-08-27 Donald E. Wenner Laparoscopic instrument system for real-time biliary exploration and stone removal
CN205814291U (en) * 2016-06-03 2016-12-21 宜兴市第二人民医院 A kind of Novel biliary tract mirror coating guiding tube
CN208910200U (en) * 2018-05-07 2019-05-31 德阳市人民医院 Choledochoscope guide device under a kind of laparoscope with annular air-pocket
CN109124700A (en) * 2018-07-27 2019-01-04 上海市东方医院 Exploration of common bile duct sheath
CN208973788U (en) * 2018-09-06 2019-06-14 高州市人民医院 A kind of laparoscope bile duct exploration converter
CN210055967U (en) * 2019-04-30 2020-02-14 中山大学附属第三医院 Soft choledochoscope guide structure
CN210144722U (en) * 2019-05-07 2020-03-17 山东大学齐鲁医院 Laparoscope choledochoscope and trocar for guiding choledochoscope

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