CN113648112B - Liver and gall cyst drainage bracket - Google Patents
Liver and gall cyst drainage bracket Download PDFInfo
- Publication number
- CN113648112B CN113648112B CN202110971960.2A CN202110971960A CN113648112B CN 113648112 B CN113648112 B CN 113648112B CN 202110971960 A CN202110971960 A CN 202110971960A CN 113648112 B CN113648112 B CN 113648112B
- Authority
- CN
- China
- Prior art keywords
- support frame
- drainage
- inner support
- tube
- frame assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 206010011732 Cyst Diseases 0.000 title claims abstract description 16
- 208000031513 cyst Diseases 0.000 title claims abstract description 16
- 210000004185 liver Anatomy 0.000 title claims abstract description 10
- 230000008093 supporting effect Effects 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 18
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000009954 braiding Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 210000003445 biliary tract Anatomy 0.000 abstract description 42
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 231100000915 pathological change Toxicity 0.000 abstract description 2
- 230000036285 pathological change Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 230000003902 lesion Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010061216 Infarction Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008855 peristalsis Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 210000002460 smooth muscle Anatomy 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2002/825—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having longitudinal struts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/1075—Gall bladder
Abstract
The application discloses a liver and gall cyst drainage bracket, which relates to the technical field of medical appliances and comprises an outer bracket, wherein an inner support frame mechanism is arranged in the outer bracket, the inner support frame mechanism comprises a first inner support frame assembly, a second inner support frame assembly and a third inner support frame assembly, and the first inner support frame assembly, the second inner support frame assembly and the third inner support frame assembly are provided with the same universal connection assembly and can move on the universal connection assembly. The application has reasonable structure, realizes the function of supporting and draining different biliary tracts, can be regulated according to the opening size requirement of the biliary tract opening, and has different opening degrees of the drainage bracket at different positions, thereby improving the supporting effect, avoiding pathological changes and obstruction in the biliary tract after the biliary tract is opened, facilitating the drainage bracket to be taken out from the biliary tract, realizing the better supporting function of the drainage bracket at the biliary tract position with an angle, and further improving the application range of the drainage bracket.
Description
Technical Field
The application relates to the technical field of medical appliances, in particular to a liver and gall cyst drainage bracket.
Background
At present, a basic main treatment means for benign and malignant tumors of biliary tract is to insert a biliary tract plastic bracket at the position of biliary tract lesion obstruction so as to ensure the smoothness of biliary tract system and ensure the normal work of each organ. However, the biliary tract plastic stent commonly used in clinic is easy to cause up-and-down displacement of the biliary tract plastic stent due to physiological peristalsis of the intestinal tract and biliary tract caused by contraction of smooth muscle of the intestinal tract and biliary tract after being placed into the biliary tract lesion obstruction part. And if the stent ages or loses its efficiency, carry out the minimally invasive surgery again and take out biliary tract plastic stent, not only increase the misery to the patient, have increased the infection risk. Therefore, how to prevent the biliary plastic stent from moving up and down at the biliary lesion obstruction part.
For example, chinese patent publication No. CN112774004a discloses a biliary tract drainage stent with grooves on the surface, by providing a plurality of grooves on the peripheral wall of the drainage tube, the friction between the drainage tube and the inner wall of the biliary tract is increased while the drainage effect is increased by the grooves, so that the displacement of the biliary tract drainage stent at the biliary tract lesion obstruction part can be prevented, and the medical risk can be reduced.
But has the following disadvantages: although the drainage stent can play a certain role in positioning and displacement prevention in biliary tract, the drainage stent cannot adapt to different biliary tracts, such as biliary tracts with different thickness diameters at the crossing angle position of the biliary tracts, and the diameter of the stent support cannot be adjusted, so that the anti-infarction effect is poor.
Therefore, the application provides a liver and gall cyst drainage bracket to meet the demands.
Disclosure of Invention
The application aims to provide the liver and gall cyst drainage bracket, which has the advantages that the supporting and drainage effects on different biliary tracts are realized, in addition, the opening degree of the drainage bracket at different positions can be regulated according to the opening degree requirement of the biliary tract opening, the supporting effect is improved, after the biliary tract is opened, pathological changes obstruction in the biliary tract is avoided, the drainage bracket is convenient to take out from the biliary tract, the better supporting effect can be realized at the biliary tract position with an angle by the drainage bracket, and the application range of the drainage bracket is further improved.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a liver and gall cyst drainage support, includes the outer support, install interior support frame mechanism in the outer support, interior support frame mechanism includes first interior strut subassembly, second interior strut subassembly, third interior strut subassembly, install same universal connection subassembly on first interior strut subassembly, second interior strut subassembly, third interior strut subassembly to can move on universal connection subassembly, be used for strutting the outer support, first interior strut subassembly, second interior strut subassembly, all install spacing unit on the third interior strut subassembly, spacing unit is used for first interior strut subassembly second interior strut subassembly, the position after the third interior strut subassembly struts is spacing; the two ends of the inner support frame mechanism are respectively provided with a retainer assembly, the pair of retainer assemblies are used for supporting and connecting the inner support frame mechanism and the outer support, the first inner support frame assembly, the second inner support frame assembly and the third inner support frame assembly are respectively provided with a drainage unit, and the three drainage units are communicated.
Preferably, the retainer assembly comprises a pair of bottom plates, the side wall circumferences of the pair of bottom plates are fixedly connected with three uniformly distributed telescopic rods, the telescopic ends of the telescopic rods are fixedly connected with fixing blocks in a rotating mode, the fixing blocks are fixedly connected to the inner side walls of the outer support, and the universal connection assembly is connected with the pair of bottom plates.
Preferably, the universal connection assembly comprises a first supporting tube fixedly connected to the uppermost bottom plate, one end of a first universal joint is fixedly sleeved on the first supporting tube, a second supporting tube is movably sleeved at the other end of the first universal joint, one end of the second universal joint is movably sleeved at the other end of the second supporting tube, a connection supporting tube is movably sleeved at the other end of the second universal joint, one end of a third universal joint is movably sleeved at the other end of the connection supporting tube, a sleeve is fixedly sleeved at the other end of the third universal joint, the sleeve is fixedly connected to the lowermost bottom plate at the top, the first inner supporting frame assembly, the second inner supporting frame assembly and the third inner supporting frame assembly are movably sleeved on the first supporting tube, the second supporting tube and the connection supporting tube respectively, and the first inner supporting frame assembly, the second inner supporting frame assembly and the third inner supporting frame assembly are connected with the outer supporting frame.
Preferably, the first inner support frame assembly comprises a first guide disc movably sleeved on the first support tube, the second support frame assembly comprises a second guide disc movably sleeved on the second support tube, the third support frame assembly comprises a third guide disc movably sleeved on the connection support tube, the first guide disc, the second guide disc and the third guide disc are fixedly sleeved with an outer support disc, the side wall circumference of the outer support disc is rotationally connected with a plurality of uniformly distributed support rods, one end of each support rod is rotationally connected with an arc support rod, the arc support rods are fixedly connected to the inner side wall of the outer support, limiting units are mounted on the first guide disc, the second guide disc and the third guide disc, the three limiting units are respectively connected with the first support tube, the second support tube and the connection support tube, and the drainage units are connected with the arc support rods.
Preferably, the drainage unit comprises a clamping ring fixedly connected to the arc-shaped supporting rod, a corrugated drainage tube is clamped on the clamping ring, a plurality of drainage holes are formed in the side wall of the corrugated drainage tube, three drainage tubes are communicated through a plurality of communication tubes, a plug tube which is positioned at the uppermost side wall of the corrugated drainage tube and is communicated is fixedly connected to the side wall of the corrugated drainage tube, and the plug tube is of a conical structure.
Preferably, the three spacing units are respectively including rotating the connection be in first guide plate the second guide plate with spacing hook on the third guide plate, three spacing hook respectively with first guide plate the second guide plate with all install torsion spring on the third guide plate, first stay tube, second stay tube with all fixedly connected with spacing cardboard on the lateral wall of connection stay tube, a plurality of draw-in grooves have been seted up on the lateral wall of spacing cardboard, one end joint of spacing hook is in one of them in the draw-in groove.
Preferably, a pair of first perforations are formed in the first guide plate, a second perforation coaxial with one of the first perforations is formed in the second guide plate, the first perforations and the second perforations are all used for penetrating through the ejector rod, a first jack is formed in the first guide plate, a second jack is formed in the second guide plate, a third jack is formed in the third guide plate, and the first jack, the second perforations and the second jacks are sequentially reduced.
Preferably, the bottoms of the three limit hooks are provided with inclined grooves.
Preferably, the outer bracket is formed by a plurality of nickel-titanium alloy wires in a cross braiding mode, and the nickel-titanium alloy wires at the two ends are in arc transition connection.
Preferably, a plurality of evenly distributed anti-slip balls are fixedly connected to the outer side wall of the outer bracket.
In summary, the application has the technical effects and advantages that:
1. the application has reasonable structure, the ejector rod passes through the first perforation and the second perforation to push the third guide disc to slide on the connecting support tube, so that a plurality of support rods move to enable the arc support rods to drive the outer support to expand, thereby supporting the biliary tract, meanwhile, the third guide disc enables the limiting hook to rotate in the moving process, is matched with the torsion spring and is automatically clamped in the clamping groove on the limiting clamping plate, so that automatic limiting is realized, the bottom of the limiting hook is provided with the inclined groove, the limiting hook can conveniently rotate when moving, and the first guide disc and the second guide disc are respectively pushed to realize supporting functions at different positions in the biliary tract, and are matched with a plurality of anti-slip balls;
2. according to the application, the drainage main pipe is inserted on the insertion pipe, the negative pressure device is started, the drainage effect can be realized, the corrugated drainage pipes are enlarged or contracted when the drainage bracket expands or contracts by arranging the corrugated drainage pipes, the practicability is improved, drainage is realized at different positions by arranging the three corrugated drainage pipes, the drainage range is improved, the insertion pipe is of a conical structure, the insertion of the drainage main pipe on the insertion pipe is facilitated, and the convenience of operation is improved;
3. according to the application, the ejector rod passes through the first jack on the first guide disc and the pushing limit hook on the second guide disc to rotate, the third guide disc slides and returns along the connecting support tube under the action of the rebound force of the outer support, the outer support is small in retraction at the position, and similarly, the first guide disc and the second guide disc slide and return, so that the whole outer support is reduced, the drainage support is conveniently taken out from the biliary tract, and the convenience of taking out is improved;
4. according to the application, the universal connecting assembly is arranged, the second supporting tube is movably sleeved at one end of the first universal joint, the second universal joint is movably sleeved at the other end of the second supporting tube, the connecting supporting tube is movably sleeved at the other end of the second universal joint, one end of the third universal joint is movably sleeved at the other end of the connecting supporting tube, the extension and shortening of the relative distance between the first supporting tube, the second supporting tube and the connecting supporting tube and the change of the angle are realized through movable sleeve, the adjusting range of the angle is increased, the better supporting effect can be realized at the biliary tract position where the angle exists of the drainage support, and the application range of the drainage support is further improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a liver and gall cyst drainage stent;
FIG. 2 is a schematic view of the internal support frame mechanism, the retainer assembly, and the drainage unit in a mated three-dimensional configuration;
FIG. 3 is a schematic view of the mating front structure of the inner support frame mechanism, the cage assembly, and the drainage unit;
FIG. 4 is a schematic view of the internal support frame mechanism and retainer assembly mated with a three-dimensional structure;
FIG. 5 is an enlarged perspective view of a first guide plate;
FIG. 6 is an enlarged perspective view of a second guide plate;
FIG. 7 is an enlarged perspective view of a third guide plate;
fig. 8 is an enlarged schematic view of the structure of fig. 4 at a.
In the figure: 1. an outer bracket; 2. an anti-slip ball; 3. an inner support frame mechanism; 4. a corrugated drainage tube; 5. a first guide plate; 6. a second guide plate; 7. a third guide plate; 8. an outer support plate; 9. a support rod; 10. an arc brace; 11. a cage assembly; 12. a telescopic rod; 13. a fixed block; 14. a clasp; 15. a connecting pipe is inserted; 16. a communicating pipe; 17. a first universal joint; 18. a second universal joint; 19. a third universal joint; 20. a limiting clamping plate; 21. a first perforation; 22. a limit hook; 23. a torsion spring; 24. a first jack; 25. a second perforation; 26. a second jack; 27. a third jack; 28. and is connected with the supporting tube.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples: 1-8, an liver and gall cyst drainage bracket comprises an outer bracket 1, wherein an inner supporting frame mechanism 3 is arranged in the outer bracket 1, the inner supporting frame mechanism 3 comprises a first inner supporting frame component, a second inner supporting frame component and a third inner supporting frame component, the number of the inner supporting frame components is not limited to three, in other embodiments, 2-7 are preferred, the first inner supporting frame component, the second inner supporting frame component and the third inner supporting frame component are provided with the same universal connection component and can move on the universal connection component, and are used for supporting the outer bracket 1, and limiting units are arranged on the first inner supporting frame component, the second inner supporting frame component and the third inner supporting frame component and are used for limiting the positions of the first inner supporting frame component, the second inner supporting frame component and the third inner supporting frame component after being supported; the two ends of the inner support frame mechanism 3 are respectively provided with a retainer component 11, a pair of retainer components 11 are used for supporting and connecting the inner support frame mechanism 3 and the outer support 1, the first inner support frame component, the second inner support frame component and the third inner support frame component are respectively provided with a drainage unit, and the three drainage units are communicated.
As an implementation manner in this embodiment, the retainer assembly 11 includes a pair of bottom plates, three evenly distributed telescopic rods 12 are fixedly connected to the side wall circumferences of the pair of bottom plates, the telescopic ends of the telescopic rods 12 are fixedly connected with fixing blocks 13 in a rotating manner, the fixing blocks 13 are fixedly connected to the inner side walls of the outer support 1, the universal connection assembly is connected with the pair of bottom plates, the universal connection assembly includes a first support tube fixedly connected to the bottom of the bottom plate at the top, one end of a first universal joint 17 is fixedly sleeved on the first support tube, the other end of the first universal joint 17 is movably sleeved with a second support tube, one end of a second universal joint 18 is movably sleeved on the other end of the second support tube, one end of a third universal joint 19 is movably sleeved on the other end of the second universal joint 18, extension and shortening of the relative distance between the first support tube, the second support tube and the connecting support tube 28 are achieved through movable sleeve joint, the other end of the third universal joint 19 is fixedly sleeved with a sleeve, the top of the bottom plate at the bottom, the first inner support assembly, the second support assembly and the third support tube are movably sleeved on the first support tube and the second support tube assembly, the second support tube and the first support assembly are movably connected to the first support tube and the second support assembly respectively.
In this embodiment, first inner support frame subassembly includes that the activity cup joints the first guide dish 5 on first stay tube, second support frame subassembly includes that the activity cup joints the second guide dish 6 on the second stay tube, the third support frame subassembly includes that the activity cup joints the third guide dish 7 on connecting stay tube 28, outer support dish 8 has all been fixed to cup joint on first guide dish 5, second guide dish 6 and the third guide dish 7, the lateral wall border rotation of outer support dish 8 is connected with a plurality of evenly distributed's bracing piece 9, the one end rotation of bracing piece 9 is connected with arc vaulting pole 10, arc vaulting pole 10 fixed connection is on the inside wall of outer support 1, spacing unit is all installed on first guide dish 5, second guide dish 6 and the third guide dish 7, three spacing unit are connected with first stay tube, second stay tube and connecting stay tube 28 respectively, the drainage unit is connected with arc vaulting pole 10, first guide dish 5, second guide dish 6 and third guide dish 7 respectively when sliding on first stay tube, second stay tube and connecting stay tube 28 respectively, promote a plurality of bracing pieces 9 to remove respectively, make the support bar 10 drive the expansion of outer support 1 or the different internal diameters of expansion of outer support 1 to realize the different expansion of outer support 1.
In this embodiment, the drainage unit includes snap ring 14 on arc vaulting pole 10 of fixed connection, the joint has ripple drainage tube 4 on the snap ring 14, a plurality of drainage holes have been seted up on ripple drainage tube 4's the lateral wall, be linked together through a plurality of communicating pipes 16 between the three ripple drainage tube 4, be located the grafting pipe 15 that fixedly connected with was linked together on the lateral wall of the ripple drainage tube 4 of the top, grafting pipe 15 is the toper structure, be responsible for the drainage grafting on grafting pipe 15, open the negative pressure ware, can realize the drainage effect, through setting up ripple drainage tube 4, realize that ripple drainage tube 4 enlarges or reduces, improve the practicality, realize carrying out the drainage to different positions through setting up three ripple drainage tube 4, improve the drainage scope, grafting pipe 15 is the toper structure, be convenient for the drainage is responsible for peg graft on grafting pipe 15, improve the convenience of operation.
In this embodiment, three spacing unit is including rotating the spacing hook 22 of connection on first guide dish 5, second guide dish 6 and third guide dish 7 respectively, all install torsion spring 23 on three spacing hook 22 and first guide dish 5 respectively, second guide dish 6 and the third guide dish 7, all fixedly connected with spacing cardboard 20 on the lateral wall of first stay tube, second stay tube and connection stay tube 28, a plurality of draw-in grooves have been seted up on the lateral wall of spacing cardboard 20, the one end joint of spacing hook 22 is in one of them draw-in groove, a pair of first perforation 21 has been seted up on first guide dish 5, set up the second perforation 25 with one of them first perforation 21 coaxial setting on the second guide dish 6, first perforation 21 and second perforation 25 all are used for passing the ejector pin, first jack 24 has been seted up on the first guide dish 5, second jack 26 has been seted up on the third guide dish 7, first jack 24, second perforation 25, second jack 26 has been seted up on the lateral wall of three hook 20, a plurality of draw-in grooves have been seted up on the lateral wall of spacing cardboard, a plurality of draw-in grooves have been seted up, the first perforation 22, first perforation 25 has been set up on the second guide dish 6 with one of them first perforation 21 coaxial setting, first perforation 25 has been used for passing the ejector pin, first jack 25, second perforation 25, second jack 25 is convenient for moving in proper order, first jack 25, second jack 25 is set up automatically, and second jack 25 is driven by the first jack 25, and second jack 25 rotates automatically, and the first jack 25, and 25 is set up.
As an implementation mode in this embodiment, the outer support 1 is formed by alternately weaving a plurality of nickel-titanium alloy wires, and the nickel-titanium alloy wires at two ends are in arc transitional connection, and a plurality of evenly distributed anti-slip balls 2 are fixedly connected with the outer side wall of the outer support 1, so that the purpose of arrangement further increases the contact area and friction force between the drainage support and the inner wall of the biliary tract, and the biliary tract drainage support is not easy to displace.
The working principle of the application is as follows:
firstly, regulating a drainage bracket to be in a minimum state, and placing the drainage bracket at a position in a biliary tract through an anastomat or other operation tools;
when different positions in the biliary tract are required to be spread, the ejector rod passes through the first perforation 21 and the second perforation 25, the third guide disc 7 is pushed to slide on the connecting support tube 28, so that the plurality of support rods 9 move to enable the arc support rods 10 to drive the expansion of the outer support 1, thereby supporting the biliary tract, meanwhile, the third guide disc 7 rotates the limit hooks 22 in the moving process, is matched with the torsion springs 23, is automatically clamped in clamping grooves on the limit clamping plates 20, realizes automatic limit, the bottoms of the limit hooks 22 are provided with inclined grooves, so that the limit hooks 22 rotate when moving, and the first guide disc 5 and the second guide disc 6 are respectively pushed to realize supporting action at different positions in the biliary tract, and are matched with the plurality of anti-slip balls 2;
during drainage, a drainage main pipe is inserted on the insertion pipe 15, a negative pressure device is started, so that drainage effect can be achieved, when the expansion or contraction of the drainage bracket is achieved by arranging the corrugated drainage pipes 4, the corrugated drainage pipes 4 are expanded or contracted accordingly, practicability is improved, drainage is achieved at different positions by arranging the three corrugated drainage pipes 4, drainage range is improved, the insertion pipe 15 is of a conical structure, the insertion of the drainage main pipe on the insertion pipe 15 is facilitated, and convenience in operation is improved;
when the drainage bracket is taken out, the ejector rod passes through the first insertion hole 24 on the first guide disk 5 to reach the second guide disk 6 and pushes the limit hook 22 on the second guide disk 6 to rotate, the third guide disk 7 slides and returns along the connection support pipe 28 under the action of the resilience force of the outer bracket 1, the outer bracket 1 is small in retraction at the position, and the first guide disk 5 and the second guide disk 6 slide and return to realize the integral shrinkage of the outer bracket 1, so that the drainage bracket is convenient to take out from the biliary tract, and the convenience of taking out is improved;
through setting up universal coupling assembling, the one end activity of first universal joint 17 has cup jointed the second stay tube, the other end activity of second stay tube cup joints the second universal joint 18, the other end activity of second universal joint 18 cup joints and connects stay tube 28, the other end activity of connecting stay tube 28 cup joints the one end of third universal joint 19, through the activity cup joint, realize the extension and the shortening of relative distance between first stay tube, the second stay tube and the connection stay tube 28, and the change of angle, increase the accommodation of angle, realize drainage support in biliary tract position department that has the angle, can both realize better supporting role, further improve drainage support's application scope.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present application.
Claims (7)
1. The utility model provides a liver and gall cyst drainage support, includes outer support (1) of network structure, outer support (1) have certain flexible elasticity, its characterized in that: an inner support frame mechanism (3) is arranged in the outer support frame (1), the inner support frame mechanism (3) comprises a first inner support frame assembly, a second inner support frame assembly and a third inner support frame assembly, the first inner support frame assembly, the second inner support frame assembly and the third inner support frame assembly are provided with the same universal connection assembly and can move on the universal connection assembly to be used for stretching the outer support frame (1), and limiting units are arranged on the first inner support frame assembly, the second inner support frame assembly and the third inner support frame assembly and used for limiting positions of the first inner support frame assembly, the second inner support frame assembly and the third inner support frame assembly after being stretched;
the two ends of the inner support frame mechanism (3) are respectively provided with a retainer assembly (11), a pair of retainer assemblies (11) are used for supporting and connecting the inner support frame mechanism (3) and the outer support frame (1), the first inner support frame assembly, the second inner support frame assembly and the third inner support frame assembly are respectively provided with a drainage unit, the drainage units are circumferentially arranged on the inner support frame assembly at certain intervals in a surrounding manner, and the three drainage units are mutually communicated to realize drainage of different positions;
the retainer assembly (11) comprises a pair of bottom plates, three uniformly distributed telescopic rods (12) are fixedly connected to the side wall circumferences of the pair of bottom plates, a fixed block (13) is fixedly and rotatably connected to the telescopic ends of the telescopic rods (12), the fixed block (13) is fixedly connected to the inner side wall of the outer bracket (1), and the universal connection assembly is connected with the pair of bottom plates;
the universal connection assembly comprises a first support tube fixedly connected to the bottom of the uppermost bottom plate, one end of a first universal joint (17) is fixedly sleeved on the first support tube, the other end of the first universal joint (17) is movably sleeved with a second support tube, one end of a second universal joint (18) is movably sleeved on the other end of the second support tube, a connection support tube (28) is movably sleeved on the other end of the second universal joint (18), one end of a third universal joint (19) is movably sleeved on the other end of the connection support tube (28), a sleeve is fixedly sleeved on the other end of the third universal joint (19), the sleeve is fixedly connected to the top of the bottom plate at the lowest position, the first inner support frame assembly, the second inner support frame assembly and the third inner support frame assembly are movably sleeved on the first support tube, the second support tube and the connection support tube (28), and the first inner support frame assembly, the second inner support frame assembly and the third inner support frame assembly are connected with the outer support frame (1) respectively;
the utility model provides a drainage device, including first inner support frame subassembly including the activity cup joint in first guide disc (5) on the first stay tube, second support frame subassembly including the activity cup joint in second guide disc (6) on the second stay tube, third support frame subassembly including the activity cup joint in third guide disc (7) on connecting stay tube (28), first guide disc (5) second guide disc (6) with outer support disc (8) have all been fixed to cup joint on third guide disc (7), the lateral wall circumference of outer support disc (8) rotates and is connected with a plurality of evenly distributed's bracing piece (9), the one end rotation of bracing piece (9) is connected with arc vaulting pole (10), arc vaulting pole (10) fixed connection is in on the inside wall of outer support (1), first guide disc (5), second guide disc (6) with all install spacing unit on third guide disc (7), three spacing unit respectively with first stay tube second stay tube with be connected with stay tube (28) are connected with arc vaulting pole (10).
2. The hepatobiliary cyst drainage stent of claim 1, wherein: the drainage unit comprises a clamping ring (14) fixedly connected to the arc-shaped supporting rod (10), a corrugated drainage tube (4) is clamped on the clamping ring (14), a plurality of drainage holes are formed in the side wall of the corrugated drainage tube (4), the corrugated drainage tube (4) is communicated through a plurality of communicating pipes (16), a plug tube (15) which is communicated is fixedly connected to the side wall of the uppermost corrugated drainage tube (4), the plug tube (15) is of a conical structure, and when the drainage bracket expands or contracts, the corrugated drainage tube (4) expands or contracts accordingly.
3. A hepatobiliary cyst drainage stent according to claim 2, wherein: the three spacing units are in including rotating connection respectively first guide disc (5) second guide disc (6) with spacing hook (22) on third guide disc (7), three spacing hook (22) respectively with first guide disc (5) second guide disc (6) with torsion spring (23) are all installed on third guide disc (7), first stay tube, second stay tube with all fixedly connected with spacing cardboard (20) on the lateral wall of connecting stay tube (28), a plurality of draw-in grooves have been seted up on the lateral wall of spacing cardboard (20), one end joint of spacing hook (22) is in one of them in the draw-in groove, and in-process that third guide disc (7) are removing makes spacing hook (22) rotate, cooperates torsion spring (23), and automatic joint realizes automatic spacing in the draw-in groove on spacing cardboard (20).
4. A hepatobiliary cyst drainage stent according to claim 3, wherein: a pair of first perforation (21) has been seted up on first guide disc (5), set up on second guide disc (6) with one of them second perforation (25) that first perforation (21) set up coaxially, first perforation (21) with second perforation (25) all are used for passing the ejector pin, first jack (24) have been seted up on first guide disc (5), second jack (26) have been seted up on second guide disc (6) third jack (27) have been seted up on third guide disc (7), first jack (24) second perforation (25) second jack (26) diminish in proper order, the opening of first jack (24) is greater than the opening of second perforation (25) to this can realize when taking out the drainage support, pass first jack (24) on first guide disc (5) reach second guide disc (6) and promote spacing hook (22) on second guide disc (6) to rotate.
5. The hepatobiliary cyst drainage stent of claim 4, wherein: inclined slots are formed in the bottoms of the three limiting hooks (22).
6. The hepatobiliary cyst drainage stent of claim 5, wherein: the outer support (1) is formed by a plurality of nickel-titanium alloy wires in a cross braiding mode, and the nickel-titanium alloy wires at the two ends are in arc transition connection.
7. The hepatobiliary cyst drainage stent of claim 6, wherein: the outer side wall of the outer bracket (1) is fixedly connected with a plurality of evenly distributed anti-slip balls (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110971960.2A CN113648112B (en) | 2021-08-24 | 2021-08-24 | Liver and gall cyst drainage bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110971960.2A CN113648112B (en) | 2021-08-24 | 2021-08-24 | Liver and gall cyst drainage bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113648112A CN113648112A (en) | 2021-11-16 |
| CN113648112B true CN113648112B (en) | 2023-11-03 |
Family
ID=78481698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110971960.2A Active CN113648112B (en) | 2021-08-24 | 2021-08-24 | Liver and gall cyst drainage bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113648112B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101273926A (en) * | 2007-03-28 | 2008-10-01 | 科迪斯公司 | Short term sustained drug-delivery system for implantable medical devices and method of making the same |
| CN102019000A (en) * | 2010-11-30 | 2011-04-20 | 俞晓立 | Surgical instrument for minimally-invasive drainage |
| CN103179923A (en) * | 2010-10-29 | 2013-06-26 | 科迪斯公司 | Bare metal stent with drug eluting reservoirs having improved drug retention |
| CN206424345U (en) * | 2016-10-25 | 2017-08-22 | 公安县人民医院 | A kind of liver and gall nursing drainage device |
| CN211300392U (en) * | 2019-11-01 | 2020-08-21 | 北京大学第一医院 | Intestine double-cavity fistulization supporting tube convenient to operate |
| CN111588523A (en) * | 2020-05-06 | 2020-08-28 | 中国人民解放军总医院第八医学中心 | Support drainage device for correcting biliary stricture |
| CN112274306A (en) * | 2020-10-08 | 2021-01-29 | 苏州法兰克曼医疗器械有限公司 | Ready-package is used for biliary tract drainage support of treatment |
| CN112402077A (en) * | 2020-11-16 | 2021-02-26 | 苏州法兰克曼医疗器械有限公司 | Pancreatic intraductal drainage stent and use method thereof |
| CN113069601A (en) * | 2021-03-10 | 2021-07-06 | 新疆维吾尔自治区人民医院 | Drainage device is used in hepatobiliary surgery nursing |
-
2021
- 2021-08-24 CN CN202110971960.2A patent/CN113648112B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101273926A (en) * | 2007-03-28 | 2008-10-01 | 科迪斯公司 | Short term sustained drug-delivery system for implantable medical devices and method of making the same |
| CN103179923A (en) * | 2010-10-29 | 2013-06-26 | 科迪斯公司 | Bare metal stent with drug eluting reservoirs having improved drug retention |
| CN102019000A (en) * | 2010-11-30 | 2011-04-20 | 俞晓立 | Surgical instrument for minimally-invasive drainage |
| CN206424345U (en) * | 2016-10-25 | 2017-08-22 | 公安县人民医院 | A kind of liver and gall nursing drainage device |
| CN211300392U (en) * | 2019-11-01 | 2020-08-21 | 北京大学第一医院 | Intestine double-cavity fistulization supporting tube convenient to operate |
| CN111588523A (en) * | 2020-05-06 | 2020-08-28 | 中国人民解放军总医院第八医学中心 | Support drainage device for correcting biliary stricture |
| CN112274306A (en) * | 2020-10-08 | 2021-01-29 | 苏州法兰克曼医疗器械有限公司 | Ready-package is used for biliary tract drainage support of treatment |
| CN112402077A (en) * | 2020-11-16 | 2021-02-26 | 苏州法兰克曼医疗器械有限公司 | Pancreatic intraductal drainage stent and use method thereof |
| CN113069601A (en) * | 2021-03-10 | 2021-07-06 | 新疆维吾尔自治区人民医院 | Drainage device is used in hepatobiliary surgery nursing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113648112A (en) | 2021-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7170819B2 (en) | Apparatus for delivering a prosthetic heart valve | |
| US7878967B1 (en) | Heart failure/hemodynamic device | |
| JP4229991B2 (en) | Catheter with temporary vena cava filter | |
| US20180214285A1 (en) | Retracting or/and supporting periurethral tissue | |
| JP2014529474A (en) | Vascular access system having a connecting portion | |
| WO2023273506A1 (en) | Foldable impeller and blood pump | |
| CN211381986U (en) | Transcatheter implantable heart valve clamping device | |
| US8740931B2 (en) | Vascular filter | |
| BRPI0708528A2 (en) | clamping device, stent, and method for producing a clamping device, and for connecting a first object to a second object | |
| CN113648112B (en) | Liver and gall cyst drainage bracket | |
| US8845590B2 (en) | Catheter with distal diffuser | |
| US11123172B2 (en) | Devices and methods for the amelioration of fecal incontinence | |
| US20220151863A1 (en) | Extendable penile implant | |
| CN110786967A (en) | Valve unhooking mechanism and valve conveying device | |
| WO2023179278A1 (en) | Delivery system for implanting artificial prosthetic body into patient | |
| CN112206075A (en) | Transcatheter implantable heart valve clamping device | |
| CN111407349A (en) | Hemostasis device for cardiology | |
| CN209932972U (en) | Operation large sheet support frame | |
| CN215899756U (en) | Clinical wound expanding device that uses of department of general surgery | |
| CN116212227B (en) | Ventricular assist catheter pump | |
| CN214927027U (en) | Bending machine for J-shaped pipe in J-shaped medical silicon rubber catheter suite | |
| US11375990B2 (en) | Cardiac atrial retractor ring | |
| CN219846538U (en) | Adjustable anus dilator | |
| CN210355173U (en) | Portable quilt supporting frame | |
| CN216566261U (en) | Vascular surgery is with supplementary patient's low limbs device of raising |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |