CN102631225A - Dredging device for narrow biliary tract by means of magnetic compression - Google Patents

Dredging device for narrow biliary tract by means of magnetic compression Download PDF

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Publication number
CN102631225A
CN102631225A CN2012100833139A CN201210083313A CN102631225A CN 102631225 A CN102631225 A CN 102631225A CN 2012100833139 A CN2012100833139 A CN 2012100833139A CN 201210083313 A CN201210083313 A CN 201210083313A CN 102631225 A CN102631225 A CN 102631225A
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China
Prior art keywords
magnet ring
biliary tract
conduit
magnet
narrow
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CN2012100833139A
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Chinese (zh)
Inventor
吕毅
刘学民
孙昊
秦皓
于良
李争显
李建辉
马锋
郭艳光
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Xian Jiaotong University
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Xian Jiaotong University
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Priority to CN2012100833139A priority Critical patent/CN102631225A/en
Publication of CN102631225A publication Critical patent/CN102631225A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00876—Material properties magnetic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
    • A61B2017/1117—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus adapted for discharge after necrotisation, e.g. by evacuation, expulsion or excretion

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Physiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

The invention provides a dredging device for a narrow biliary tract by means of magnetic compression, comprising a guide wire, wherein a first conduit, a first magnet ring and a second magnet ring are sequentially sleeved on the guide wire, the first conduit is connected with the first magnet ring, the first magnet ring and the second magnet ring are anisotropic in magnetic poles and are attracted with each other, and the side face of the first conduit is provided with a drainage hole. The dredging device has the principle that neodymium iron boron magnet rings are transported to the far end and near end of the narrow biliary tract by PTC (percutanecous transhepatic cholangiography) and duodenoscope, the scar tissue is squeezed by the mutual attraction force of the magnet rings at two sides, so that the scar tissue necrotizes and falls off, and the smooth biliary tract anastomosis is built, therefore, the aim for treating the narrow biliary tract is achieved. The neodymium iron boron magnetic material which is high in magnetic energy product currently, high in storage volume in the domestic, low in price and better in biocompatibility compared with a cobalt samarium compound is taken as a surgical instrument, so that the dredging device is safe, harmless and low in cost; and due to an access 'skin-biliary tract-duodenum-stomach-mouth' built by the guide wire in the magnet rings, the whole-course guide of the magnet rings and the exact three-dimensional opposite attraction between the two magnet rings can be guaranteed.

Description

A kind of magnetic pressure is pressed narrow biliary tract dredge
Technical field
The present invention relates to the armarium technical field, be applicable to the biliary tract mediation, be specifically related to a kind of magnetic pressure and press narrow biliary tract dredge.
Background technology
Biliary tract stenosis is common day by day, and gallbladder removal and after liver transplantation biliary tract stenosis are in the great majority, and the laparoscopically biliary tract stenosis that causes biliary duct injury and tumor to cause that is widely used also all accounts for certain ratio.
Therapeutic Method commonly used at present has: (1) surgery biliary tract surgical drainage is mainly the narrow capable bile duct jejunum of the bile duct Roux-en-Y biliary enteric anastomosis of excision; (2) through scope balloon expandable or (implanting) with support; (3) through endoscopic surgery for nose biliary drainage (ENBD); (4) percutaneous transhepatic choleductus drainage (percutaneous transhepatic cholangiography dilatation; PTCD) etc. mode alleviates jaundice; Simultaneously row protect the liver, treatments such as antiinflammatory, support; Guarantee that the bore that coincide is enough big, place reliable and effective T pipe, the T pipe generally should be placed 6～9 months.But above-mentioned the whole bag of tricks all has its limitation, and operating complication is the anastomotic stoma restenosis; Back several method is expanded the narrow section bile duct fully as failing, and withdraws from the symptom that cholangitis such as hyperpyrexia, stomachache, jaundice can appear being interrupted repeatedly again in patient behind support or the drainage tube.Traditional method is removed the biliary tract cicatricial stenosis, just need carry out abdominal once more.
The magnetic pressure press for extracting juice coincide, and (magnetic compression anastomosis MCA) is proposed by Japanese scholar Obora the earliest, clinical intestinal tube and the vascular anastomosis of carrying out once on probation.In recent years, magnetic pressure is pressed the anastomosis development rapidly, particularly aspect handling biliary tract stenosis and blocking.Japan and Korea S press identical combining with digestive endoscope and biliary tract interventional technique with magnetic pressure and are used for Living Donor Liver Transplantation postoperative biliary tract stenosis patient's treatment, obtain more satisfactory effect.Owing to relate to novel Rare Metals Materials development, modification; Biomechanics clinical forward position research; With great technological cooperation problem such as the clinical Combined application of less invasive techniques, only implement 20 examples altogether at present in Japan and Korea S, the clinical experience that can supply sum up is few; In addition abroad to the maintaining secrecy of samarium cobalt magnetic material process technology and clinical practice ins and outs, wanting directly introduction, to carry out difficulty very big.Japan, the rare earth samarium cobalt that Korea S adopted have certain toxicity for cell strictly speaking, are not suitable for the implantation property material as human body, and cost an arm and a leg.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art, the object of the present invention is to provide a kind of magnetic pressure to press narrow biliary tract dredge.
To achieve these goals, the technical scheme of the present invention's employing is:
A kind of magnetic pressure is pressed narrow biliary tract dredge; Comprise seal wire 6; Be with first conduit 1, first magnet ring 3 and second magnet ring 4 on the seal wire 6 successively; First conduit 1 and first magnet ring 3 join, and are the state that opposite pole attracts each other between first magnet ring 3 and second magnet ring 4, and the side of first conduit 1 has conduction hole 2.
Also be with second conduit, 5, the second conduits 5 and second magnet ring 4 on the seal wire 6 and join, the side of second conduit 5 has conduction hole 2.
Said first magnet ring 3 is identical with the frame for movement of second magnet ring 4, is hollow column, and column diameter is 3-6mm, and the diameter of centre bore 9 is 1.5-2mm.
Said first magnet ring 3 and second magnet ring 4 are to be the titanium layer of 5～20 μ m at magnetic Nd-Fe-B ring surface deposition one layer thickness, and surface deposition one layer thickness at titanium layer is the TiN ceramic layer of 1～25 μ m then.
The other end of said first conduit 1 connects drainage bag 8 through breeches joint 7.
Principle of the present invention is to carry magnetic Nd-Fe-B ring to biliary tract stenosis place far-end and near-end through PTC associating duodenoscope; Relying on attracting each other of both sides magnet ring to defeat to press scar tissue to cause its necrosis comes off; Set up unobstructed biliary anastomosis, to reach the purpose of treatment biliary tract stenosis.
Compared with prior art, novelty of the present invention is:
1. selected that present magnetic energy product is high, domestic storage capacity is big for use, low price and biocompatibility be better than the cobaltic neodymium-iron-boron magnetic material of the samariumization apparatus of performing an operation.
2. " skin-biliary tract-Duodeno-stomach-mouth " path of being set up through the magnet ring inner guide wire, guarantee magnet ring by the accurate three-dimensional between whole process guiding and two magnet rings to inhaling.
In a word, the biliary tract stenosis patient that causes for after liver transplantation biliary tract stenosis and other reasons of the present invention provide a kind of safety, Wicresoft, effectively, recover fast treatment means.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of first magnet ring and second magnet ring.
Fig. 4 is the structural representation of the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is explained further details.
As depicted in figs. 1 and 2; The present invention presses narrow biliary tract dredge for a kind of magnetic pressure, comprises seal wire 6, is with first conduit 1, first magnet ring 3 and second magnet ring 4 on the seal wire 6 successively; First conduit 1 and first magnet ring 3 join; Be the state that opposite pole attracts each other between first magnet ring 3 and second magnet ring 4, the side of first conduit 1 has conduction hole 2, is used for the bile of drain biliary tract stenosis position near-end.
First magnet ring 3 is identical with the frame for movement of second magnet ring 4, and as shown in Figure 3, the two is hollow column, and column diameter is 3-6mm, and the diameter of centre bore 9 is 1.5-2mm, satisfies its slip on seal wire 6, and is simultaneously too not loosening again.First magnet ring 3 and second magnet ring 4 should be done surface anticorrosion, protective coating is handled; Utilize glow plasma sputtering method or arc plasma sedimentation; At magnetic Nd-Fe-B ring surface deposition one layer thickness is the titanium layer of 5～20 μ m; Reach anti-corrosion purpose, surface deposition one layer thickness at titanium layer is the TiN ceramic layer of 1～25 μ m then, reaches attrition resistant purpose.
An instance of the present invention is as shown in Figure 4, also is with second conduit, 5, the second conduits 5 and second magnet ring 4 on the seal wire 6 and joins, and the side of second conduit 5 also has conduction hole 2, and the other end of first conduit 1 connects drainage bag 8 through breeches joint 7.
Use is following:
The patient gets dorsal position, routine disinfection drape after the general anesthesia, and 2cm is a point of puncture under the right midaxillary line rib diaphragm of the following selection of the perspective angle; Aiming at breast 11 vertebral body levels punctures by spinal column; Contrast agent is injected on withdraw of the needle limit, limit, sees that biliary tract development continued injects contrast agent, fully understands narrow biliary tract situation.At first with seal wire 6 through the narrow vater's papilla that pushes to, again the vater's papilla place is inserted in duodenoscope and is involved seal wire 6 outlet plenums, set up skin-biliary tract-Duodeno-stomach-mouth path.Per os end seal wire 6 is inserted first magnet ring 3 then; Push to vater's papilla with duodenoscope; The seal wire 6 of percutaneous-liver-biliary tract path is inserted 8mm-55mm balloon expandable biliary tract stenosis section and vater's papilla portion simultaneously; Application 1 0F stent pushing device is inserted the stenosis of common bile duct near-end with first magnet ring 3 under sacculus helps, and withdraws from duodenoscope, inserts second magnet ring 4 (according to the pole orientation of first magnet ring 3) and duodenoscope through seal wire 6 again; With 10F stent pushing device second magnet ring 4 is inserted the stenosis of common bile duct far-end, first magnet ring 3 and second magnet ring 4 attract each other and squeeze the biliary tract stenosis place.The seal wire 6 that to draw from the oral cavity via intranasal application that changes its course is drawn.At last, percutaneous liver and gall road approach and Duodeno-stomach-nasal are inserted first conduit 1 and second conduit, 5, the first conduits 1 and are linked to each other with breeches joint 7 and connect drainage bag 8, the first conduits 1 and second conduit 5 to go out the body surface place properly fixing respectively.
About one week, cholangiography is judged narrow biliary tract magnetic pressure press for extracting juice effect under X line perspective, determines next step operation scheme then.
The present invention inserts seal wire to duodenum through PTC puncture biliary tract through the skin surface, pulls out the oral cavity through duodenoscope again, successfully sets up " skin-biliary tract-Duodeno-stomach-mouth " path.Two magnet rings are successively under the propelling movement of the guiding of seal wire and conduit; Biliary tract through balloon expandable; Successfully be positioned over the both sides near, far away of narrow section biliary tract respectively, two magnet rings cause its necrosis and come off inhaling back press nip narrow biliary tract tissue therein; The magnet ring of two pairs of suctions and be clipped in wherein that downright bad narrow biliary tract tissue is taken out through Duodeno-stomach-mouth approach smoothly or the entering intestinal discharge that comes off, the stenosis of bile duct position is unobstructed.

Claims (5)

1. a magnetic pressure is pressed narrow biliary tract dredge; Comprise seal wire (6); It is characterized in that, be with first conduit (1), first magnet ring (3) and second magnet ring (4) on the seal wire (6) successively, first conduit (1) joins with first magnet ring (3); Be the state that opposite pole attracts each other between first magnet ring (3) and second magnet ring (4), the side of first conduit (1) has conduction hole (2).
2. press narrow biliary tract dredge according to the said magnetic pressure of claim 1, it is characterized in that, also be with second conduit (5) on the seal wire (6), second conduit (5) joins with second magnet ring (4), and the side of second conduit (5) has conduction hole (2).
3. press narrow biliary tract dredge according to the said magnetic pressure of claim 1, it is characterized in that, said first magnet ring (3) is identical with the frame for movement of second magnet ring (4), is hollow column, and column diameter is 3-6mm, and the diameter of centre bore (9) is 1.5-2mm.
4. press narrow biliary tract dredge according to the said magnetic pressure of claim 1; It is characterized in that; Said first magnet ring (3) and second magnet ring (4) are to be the titanium layer of 5～20 μ m at magnetic Nd-Fe-B ring surface deposition one layer thickness, and surface deposition one layer thickness at titanium layer is the TiN ceramic layer of 1～25 μ m then.
5. press narrow biliary tract dredge according to the said magnetic pressure of claim 1, it is characterized in that, the other end of said first conduit (1) connects drainage bag (8) through breeches joint (7).
CN2012100833139A 2012-03-27 2012-03-27 Dredging device for narrow biliary tract by means of magnetic compression Pending CN102631225A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107928717A (en) * 2017-11-28 2018-04-20 西安交通大学医学院第附属医院 A kind of magnetic set composite for alimentary canal path setting
CN109009290A (en) * 2018-09-13 2018-12-18 西安交通大学医学院第附属医院 A kind of magnetic coincide biliary tract exchange device again
CN112546462A (en) * 2020-12-28 2021-03-26 西安交通大学医学院第一附属医院 Magnetic dredging device for radioactive narrow biliary tract

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090227828A1 (en) * 2008-03-10 2009-09-10 Ethicon Endo-Surgery, Inc. Anastomotic device
US20100036399A1 (en) * 2008-08-05 2010-02-11 Tyco Healthcare Group Lp Magnetic compression anastomosis device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090227828A1 (en) * 2008-03-10 2009-09-10 Ethicon Endo-Surgery, Inc. Anastomotic device
US20100036399A1 (en) * 2008-08-05 2010-02-11 Tyco Healthcare Group Lp Magnetic compression anastomosis device

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
HIDEAKI OKAJIMA ET AL.: "Magnet Compression Anastomosis for Bile Duct Stenosis After Duct-to-Duct Biliary Reconstruction in Living Donor Liver Transplantation", 《LIVER TRANSPLANTATION》 *
HIROFUMI AKITA ET AL.: "Use of a Metallic-Wall Stent in the Magnet Compression Anastomosis Technique for Bile Duct Obstruction After Liver Transplantation", 《LIVER TRANSPLANTATION》 *
JIANHUI LI ET AL.: "Application of a New Type of Sutureless Magnetic Biliary-Enteric Anastomosis Stent for One-Stage Reconstruction of the Biliary-Enteric Continuity After Acute Bile Duct Injury: An Experimental Study", 《JOURNAL OF SURGICAL RESEARCH》 *
S.TAKAO ET AL.: "Magnetic Compression Anastomosis for benign Obstruction of the Common Bile Duct", 《ENDOSCOPY》 *
马海军等: "应用磁压榨吻合术行肠漏一期修补的实验研究", 《中华消化外科杂志》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107928717A (en) * 2017-11-28 2018-04-20 西安交通大学医学院第附属医院 A kind of magnetic set composite for alimentary canal path setting
CN107928717B (en) * 2017-11-28 2023-11-24 崇好科技有限公司 Magnetic composite device for establishing digestive tract passage
CN109009290A (en) * 2018-09-13 2018-12-18 西安交通大学医学院第附属医院 A kind of magnetic coincide biliary tract exchange device again
CN109009290B (en) * 2018-09-13 2024-04-23 西安交通大学医学院第一附属医院 Magnetic anastomosis biliary tract recanalization device
CN112546462A (en) * 2020-12-28 2021-03-26 西安交通大学医学院第一附属医院 Magnetic dredging device for radioactive narrow biliary tract

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Application publication date: 20120815