CN108451677A - A kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage - Google Patents
A kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage Download PDFInfo
- Publication number
- CN108451677A CN108451677A CN201810169857.4A CN201810169857A CN108451677A CN 108451677 A CN108451677 A CN 108451677A CN 201810169857 A CN201810169857 A CN 201810169857A CN 108451677 A CN108451677 A CN 108451677A
- Authority
- CN
- China
- Prior art keywords
- biliary tract
- type
- enteron aisle
- bile duct
- drainage
- 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.)
- Pending
Links
- 210000003445 biliary tract Anatomy 0.000 title claims abstract description 74
- 210000000013 bile duct Anatomy 0.000 claims abstract description 55
- 210000001198 duodenum Anatomy 0.000 claims abstract description 18
- 230000002183 duodenal effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 210000000941 bile Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 210000003459 common hepatic duct Anatomy 0.000 description 17
- 238000002513 implantation Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000007459 endoscopic retrograde cholangiopancreatography Methods 0.000 description 5
- 101800004637 Communis Proteins 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 206010058109 Hangnail Diseases 0.000 description 3
- 210000004185 liver Anatomy 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 208000025865 Ulcer Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 210000000936 intestine Anatomy 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 231100000397 ulcer Toxicity 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000008855 peristalsis Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007464 sphincterotomy Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012546 transfer 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
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0041—J-shaped
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/32—General characteristics of the apparatus with radio-opaque indicia
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention provides a kind of " J " type biliary tract racks for high-order obstruction of biliary tract drainage, including：Bile duct portion for being arranged inside choledochus and the enteron aisle portion for being arranged in duodenum, the enteron aisle portion and bile duct portion integrally connected, big " C " the type structure that the enteron aisle portion is formed." J " type biliary tract rack provided by the invention, bile duct portion by setting and enteron aisle portion, and set enteron aisle portion to big " C " type structure, enteron aisle portion is allow to form " C " type ring in descendant duodenum, efficiently avoid the generation for the case where long stent drained for high-order obstruction of biliary tract is slipped to biliary tract internal shift and to duodenum, keep drainage effect more stable and reliable, improve the practicability for " J " type biliary tract rack that high-order obstruction of biliary tract drains, and making is simple and practicable, is conducive to the popularization and application in market.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of biliary tract rack.
Background technology
It is widely used in using Endoscopic retrograde cholangiopancreatography art (ERCP) implantation biliary tract plastic stent and releases biliary tract stalk
Resistance.High-order obstruction of biliary tract means that the common cause of disease includes operation on biliary tract, liver transfer operation etc. positioned at Hilar and the obstruction of the above hepatic duct
The malignant stricture that benign stricture and the malignant tumour compressing of initiation cause.Converge because of biliary metallic stents size and to left and right common hepatic duct
The problems such as obstruction in portion, is difficult to overcome, and high position obstruction of biliary tract is mainly solved by being implanted into biliary tract plastic stent at present.
Currently used biliary tract plastic stent is usually a linear type catheter-like equipment, both ends open, is usually set on conduit
There is cavity for draining, both ends are equipped with hangnail end to end, for preventing holder to biliary tract internal shift or being slipped to duodenal lumen.
Since bile duct internal diameter is much larger than biliary tract rack size, although both ends are equipped with hangnail to holder end to end, there are still holder shiftings
Position or the risk slipped, so the shapes such as pigtail type are designed to there are holder both ends to prevent stent migration or slippage, and courage
The above bile duct caliber of region of obstruction is limited when road high obstruction, and double pigtail holders are difficult to blocking lopping in the above bile duct, therefore
The biliary tract plastic stent being implanted at present is still based on linear structure.
Linear structure holder is drained by both ends open end to end, and without drainage side opening on side wall, drainage efficiency is limited.
Initiation left and right common hepatic duct is not connected when biliary tract high obstruction involves left and right conjunctive region of hepatic duct, usually in Left And Right Hepatic Duct
Respectively a piece biliary tract plastic stent of implantation is fully to drain, in implantation process, second holder being implanted into afterwards and be implanted into the
There is friction between a piece holder, the biliary tract rack tail end being first implanted into may be caused to be squeezed into duodenofiberscope, and head end is then
Into the hepatic duct of the obstruction above deeper inside of plane, apparent uncomfortable even pain is caused to patient, also influences drainage effect.
In addition, due to traveling between choledochus, ductuli hepaticus communis and left and right common hepatic duct and non-fully linearization(-sation), but be in " S " type, especially
Being ductuli hepaticus communis, there are the turnings of leftward or rightward arc to the traveling of left and right common hepatic duct, after the biliary tract rack implantation of linear structure compared with
Difficulty complies with biliary tract traveling, while liver moves up and down with breathing, and holder is caused easily to be extruded and deviate to duodenal lumen, compared with
Long holder tail end compressing duodenal lumen causes ulcer and even perforates, if pedestal upper end simultaneously decline to below obstruction plane very
It falls off to entire holder, then drainage will be caused to fail.
Invention content
The present invention provides a kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage, for solving in the prior art
Existing the problems such as being easy to cause stent migration, slippage or inadequate drainage.
The present invention provides a kind of " J " type biliary tract rack 1 for high-order obstruction of biliary tract drainage, including：For being arranged in courage
The bile duct portion 2 of inner manifold and the enteron aisle portion 3 for being arranged in duodenum, the enteron aisle portion 3 and 2 one of the bile duct portion
Connection, the enteron aisle portion 3 form big " C " type structure.
Preferably, the bile duct portion 2 is in the preferable linear structure of compliance.
Preferably, the diameter dimension in the bile duct portion 2 is gradually reduced along the direction far from the enteron aisle portion 3.
Preferably, the tube head end in the bile duct portion 2 is in round blunt type.
Preferably, multiple side openings 4 for being drained to bile are provided in the bile duct portion 2, the side opening interlocks
It is set in the bile duct portion.
Preferably, be provided in the enteron aisle portion 3 it is multiple for by the side opening 5 of biliary drainage to duodenal lumen, it is described
Side opening is staggered in the enteron aisle portion.
Preferably, the tube head end side in the bile duct portion 2 is provided with annular opacity mark 6.
Preferably, metal indicates ring 7 in the bile duct portion and enteron aisle portion junction.
Preferably, the entire length of the holder is between 16-22cm, 3 length of enteron aisle portion 4.7cm-5cm it
Between, for the length in the bile duct portion 2 between 11-17cm, big " C " the type diameter of movement that the enteron aisle portion is formed is about 2cm.
Preferably, 1 pipe interior diameter of the holder is 7 or 8.5Fr.
Preferably, holder is made of polyurethane (PU) material.
Advantageous effect：A kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage provided by the invention, passes through setting
Biliary tract portion and enteron aisle portion, and set enteron aisle portion to big " C " type structure, total length is between 16-22cm so that enteron aisle portion
When being placed in duodenum, " C " type ring can be formed in descendant duodenum, efficiently avoid obstructing for high-order biliary tract
The generation for the case where long stent of resistance drainage is slipped to biliary tract internal shift and to duodenum, keeps drainage effect more stable and reliable,
The practicability of the biliary tract rack is improved, and making is simple and practicable, is conducive to the popularization and application in market.
Description of the drawings
Fig. 1 is a kind of knot of " J " type biliary tract rack for high-order obstruction of biliary tract drainage given by the embodiment of the present invention
Structure schematic diagram.
Fig. 2 is a kind of making for " J " type biliary tract rack for high-order obstruction of biliary tract drainage given by the embodiment of the present invention
With status architecture schematic diagram.
Wherein, 1 is holder, and 2 be bile duct portion, and 3 be enteron aisle portion, and 4 drain side opening for bile duct portion, and 5 drain side opening for enteron aisle portion,
6 identify for bile duct size end opacity, and 7 indicate ring for bile duct portion and enteron aisle portion junction metal, and 8 be descendant duodenum, and 9
It is left common hepatic duct for choledochus, 10,11 be right common hepatic duct, and 12 be obstruction portion tumour.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
A kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage provided by the invention, including bile duct portion and enteron aisle
Portion's two parts, bile duct portion and enteron aisle portion integrally change connection.Bile duct minister's degree is 11-17cm, and the diameter dimension in bile duct portion is along remote
Direction from the enteron aisle portion is gradually reduced, the lateral drainage hole that bile duct size section distributed quantity does not wait, in staggered row on tube wall
Row are identified away from opacity is equipped at bile duct size end opening about 5mm.Enteron aisle portion is connected with bile duct portion tail end, is 3/4 circular ring shape
Structure, annulus interior diameter about 2cm, enteron aisle minister's degree is between 4.7cm-5cm so that enteron aisle portion is in being placed on duodenum
When, " C " type ring can be horizontally formed in descendant duodenum nipple, enteron aisle portion endpiece is also equipped with similar to bile duct size section
Lateral drainage hole.There is metal to indicate ring in bile duct portion and enteron aisle portion junction.Holder is made of polyurethane (PU) material.
Embodiment 1
As shown in Figure 1, provided by the invention a kind of for high-order obstruction of biliary tract drainage " J " types biliary tract rack 1, by bile duct
Portion 2 and enteron aisle portion 3 form, and for 2 length of bile duct portion between 11-17cm, bile duct portion internal diameter size is 7 or 8.5Fr, bile duct portion it is straight
Diameter size is gradually reduced along the direction far from the enteron aisle portion, in the drainage side opening 4 that bile duct size section distributed quantity does not wait, aperture
6 are identified away from opacity is equipped at bile duct size end opening about 5mm, for marking holder to exist in being staggered on tube wall for 2mm
Position in common hepatic duct.3 enteron aisle portion of enteron aisle portion is connected with 2 tail end of bile duct portion, be 3/4 cirque structure, annulus interior diameter about 2cm,
Enteron aisle minister's degree is between 4.7cm-5cm so that enteron aisle portion, can be in descendant duodenum breast when being placed in duodenum
Head is horizontally formed " C " type ring, and enteron aisle portion endpiece is also equipped with the drainage side opening 5 similar to bile duct size section.In bile duct portion and intestines
Road portion junction has metal to indicate ring 7.
As shown in Fig. 2, leading Endoscopic retrograde cholangiopancreatography art (ERCP), selection is set according to region of obstruction seen in art
Suitable stent length makes holder after duodenofiberscope is implanted into biliary tract, and bile duct portion 2 enters left common hepatic duct 10 through choledochus 9,
Its head end opening portion not pass through x-ray mark 6 and partly or entirely drainage side opening 4 cross obstruction point caused by tumour 12 enter obstruction with
Epimere common hepatic duct, 3 indwelling of enteron aisle portion form " C " type ring in descendant duodenum 8, due to " C " type ring diameter about 2cm and 12
Duodenum 12 drop portion enteric cavity width is close, protective cradle is not slipped outward under the action of intestines peristalsis, while can also prevent to prop up
Frame slides into biliary tract.
Embodiment 2
Compared with Example 1, bile duct portion 2 enters right common hepatic duct 11 to this example through choledochus 9, remaining is same as Example 1.
Embodiment 3
Compared with Example 1, the bile duct portion 2 of second " J " type biliary tract rack being implanted into afterwards enters the right side to this example through choledochus 9
The enteron aisle portion of common hepatic duct 11, two holders forms " C " type ring in descendant duodenum, remaining is same as Example 1.
Embodiment 4
Hilar high obstruction routinely uses linear type biliary tract plastic stent at present, due to choledochus, ductuli hepaticus communis and left and right
Traveling and non-fully linearization(-sation) between common hepatic duct, but in the traveling of " S " type, especially ductuli hepaticus communis to left and right common hepatic duct exist to the left or to
Right arc turning, it is more difficult after the biliary tract rack implantation of linear structure to comply with biliary tract traveling, while liver is with fortune above and below breathing
It is dynamic, cause holder to be easily extruded and deviate to duodenal lumen, longer holder tail end compressing duodenal lumen causes ulcer
It even perforates, falls off if pedestal upper end is simultaneously declined to even entire holder below obstruction plane, drainage will be caused to fail.
Existing double pigtail holders are difficult to blocking lopping in the above bile duct, there is no single pigtail dedicated for biliary tract at present
Holder, and its enteron aisle portion of pigtail holder needs circle at pigtail-shaped upon discharge, operation need to have certain technology and experience, existing literature
Once the double pigtail holder patients of report an example implantation, since operator fails holder enteron aisle portion circle into pigtail-shaped, holder endpiece pincers
It presss from both sides duodenum front side wall and causes the treatment of punch row emergency treatment abdominal, serious consequence is caused to patient.
Enteron aisle portion designed by the present invention is C-shaped structure in descendant duodenum, due to duodenal design feature,
" C " type ring end will not be contacted with intestinal wall, and intestinal wall is contacted at round blunt will not cause patient's not accommodate damage, while tail end
Drainage side opening 5 can be such that bile is preferably discharged, and the safety of holder is also ensured while ensuring that drainage and backing positions are fixed
Property.
Embodiment 5
Patients with choledocholith row ERCP clinically often occurs and takes stone failure indwelling biliary tract rack drainage, due to taking Shi Qianyi
Row sphincterotomy and expansion, duodenofiberscope opening lead to after biliary tract rack indwelling both ends end to end in open shape
Hangnail can not prevent holder to bile duct internal shift or deviate to enteron aisle, and applicant just repeatedly observes papillary section after-poppet certainly
The situation that row is fallen off and is displaced in bile duct occurs, and certain influence is brought to clinical treatment." J " type courage designed by the present invention
Road holder big " C " type cyclic structure since enteron aisle portion is formed, annular protrusion is contacted with duodenal wall can prevent bracket from pulling away,
Can also holder be prevented further to be displaced in bile duct simultaneously, be conducive to the stabilization of backing positions, it is ensured that drainage effect.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage, which is characterized in that including：It is total in courage for being arranged
Bile duct portion (2) inside pipe and the enteron aisle portion (3) for being arranged in duodenum, the enteron aisle portion (3) and the bile duct portion
(2) integrally connected, big " C " the type structure that the enteron aisle portion (3) is formed.
2. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that described
Bile duct portion (2) is in the preferable linear structure of compliance.
3. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that described
The diameter dimension in bile duct portion (2) is gradually reduced along the direction far from the enteron aisle portion (3).
4. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that described
The tube head end in bile duct portion (2) is in round blunt type.
5. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that described
Multiple side openings (4) for being drained to bile are provided in bile duct portion (2), the side opening is staggered in the bile duct portion
On.
6. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that described
It is provided in enteron aisle portion (3) multiple for by the side opening (5) of biliary drainage to duodenal lumen, the side opening to be staggered in institute
It states in enteron aisle portion.
7. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that in institute
The tube head end side for stating bile duct portion (2) is provided with annular opacity mark (6).
8. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that in institute
Stating bile duct portion and enteron aisle portion junction has metal to indicate ring (7).
9. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that described
For the entire length of holder between 16-22cm, the stand tube interior diameter is 7 or 8.5Fr, and enteron aisle portion (3) length exists
Between 4.7cm-5cm, for the length of the bile duct portion (2) between 11-17cm, big " C " the type structure that the enteron aisle portion is formed is straight
Diameter is about 2cm.
10. " J " type biliary tract rack according to claim 1 for high-order obstruction of biliary tract drainage, which is characterized in that holder
It is made of polyurethane (PU) material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810169857.4A CN108451677A (en) | 2018-02-09 | 2018-02-09 | A kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810169857.4A CN108451677A (en) | 2018-02-09 | 2018-02-09 | A kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108451677A true CN108451677A (en) | 2018-08-28 |
Family
ID=63219687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810169857.4A Pending CN108451677A (en) | 2018-02-09 | 2018-02-09 | A kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108451677A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260577A (en) * | 2018-11-22 | 2019-01-25 | 上海市东方医院 | Two-way anti-displacement stents of pancreatic duct and embedded device |
| CN109568703A (en) * | 2018-11-16 | 2019-04-05 | 中国人民解放军第二军医大学第二附属医院 | Gall duct irrigating instrument and its application method |
| CN111420224A (en) * | 2020-05-07 | 2020-07-17 | 上海市东方医院（同济大学附属东方医院） | Direct-pull-out type bile pancreatic juice drainage tube |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2587910A (en) * | 1949-12-23 | 1952-03-04 | Alexander G Shulman | Tall-tube for controlled intubation and drainage of the common bile duct |
| CN201356684Y (en) * | 2009-01-10 | 2009-12-09 | 田明国 | Soft bile duct support |
| CN201642429U (en) * | 2010-04-18 | 2010-11-24 | 曹玉军 | Selectively put stent in common bile duct exploration |
| US20110224775A1 (en) * | 2010-03-11 | 2011-09-15 | Wilson-Cook Medical Inc. | Stent Geometry |
| CN102939042A (en) * | 2010-05-11 | 2013-02-20 | 库克医学技术有限责任公司 | Biliary access sheath |
| CN206151637U (en) * | 2016-08-29 | 2017-05-10 | 北京大学第三医院 | Biliary tract support |
-
2018
- 2018-02-09 CN CN201810169857.4A patent/CN108451677A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2587910A (en) * | 1949-12-23 | 1952-03-04 | Alexander G Shulman | Tall-tube for controlled intubation and drainage of the common bile duct |
| CN201356684Y (en) * | 2009-01-10 | 2009-12-09 | 田明国 | Soft bile duct support |
| US20110224775A1 (en) * | 2010-03-11 | 2011-09-15 | Wilson-Cook Medical Inc. | Stent Geometry |
| CN201642429U (en) * | 2010-04-18 | 2010-11-24 | 曹玉军 | Selectively put stent in common bile duct exploration |
| CN102939042A (en) * | 2010-05-11 | 2013-02-20 | 库克医学技术有限责任公司 | Biliary access sheath |
| CN206151637U (en) * | 2016-08-29 | 2017-05-10 | 北京大学第三医院 | Biliary tract support |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568703A (en) * | 2018-11-16 | 2019-04-05 | 中国人民解放军第二军医大学第二附属医院 | Gall duct irrigating instrument and its application method |
| CN109260577A (en) * | 2018-11-22 | 2019-01-25 | 上海市东方医院 | Two-way anti-displacement stents of pancreatic duct and embedded device |
| CN111420224A (en) * | 2020-05-07 | 2020-07-17 | 上海市东方医院（同济大学附属东方医院） | Direct-pull-out type bile pancreatic juice drainage tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11779480B2 (en) | Medical devices for use along the biliary and/or pancreatic tract | |
| Mangiavillano et al. | Biliary and pancreatic stenting: Devices and insertion techniques in therapeutic endoscopic retrograde cholangiopancreatography and endoscopic ultrasonography | |
| CN102834042A (en) | Endoscope cap with ramp | |
| CN108451677A (en) | A kind of " J " type biliary tract rack for high-order obstruction of biliary tract drainage | |
| CN203677329U (en) | Novel bracket releasing device | |
| CN106580518B (en) | A kind of combined type endovascular stent for abdominal aorta system and its application method | |
| CN207356301U (en) | A kind of drainage system for being built in biliary tract | |
| CN106029012B (en) | Convertible nephroureteral catheter | |
| CN209236476U (en) | A kind of " J " type biliary tract rack for the drainage of high-order obstruction of biliary tract | |
| CN105413000A (en) | Biliary drainage device | |
| CN211584832U (en) | Distal access catheter | |
| CN204017095U (en) | A kind of antireflux T-type drainage tube | |
| CN113750354B (en) | Biliary tract internal drainage device with bracket | |
| CN211068673U (en) | Double-channel double-J pipe | |
| KR101394497B1 (en) | Distal guiding catheter | |
| CN212756005U (en) | Anti-reflux biliary tract tectorial membrane metal stent | |
| CN210494859U (en) | Pancreatic juice guiding device | |
| CN105640681A (en) | Bracket conveying system with retraction function | |
| CN107714245A (en) | Anti-reflux stent induction system | |
| CN113768675A (en) | Extension catheter for coronary artery stent implantation operation | |
| CN105233393A (en) | Double-lumen T tube |
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 | ||
| CB02 | Change of applicant information |
Address after: 100071 No. 8 East Main Street, Beijing, Fengtai District Applicant after: THE FIFTH MEDICAL CENTER OF THE CHINESE PEOPLE'S LIBERATION ARMY GENERAL Hospital Address before: 100071 No. 8 East Main Street, Beijing, Fengtai District Applicant before: THE 307TH HOSPITAL OF CHINESE PLA |
|
| CB02 | Change of applicant information | ||
| DD01 | Delivery of document by public notice |
Addressee: Shen Wei Document name: Deemed withdrawal notice |
|
| DD01 | Delivery of document by public notice | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180828 |