CN105662665B - A kind of anti-reflux courage intestinal ceca frame - Google Patents
A kind of anti-reflux courage intestinal ceca frame Download PDFInfo
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- CN105662665B CN105662665B CN201610145015.6A CN201610145015A CN105662665B CN 105662665 B CN105662665 B CN 105662665B CN 201610145015 A CN201610145015 A CN 201610145015A CN 105662665 B CN105662665 B CN 105662665B
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- intestinal
- reflux
- petal
- courage
- stent
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- 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
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0057—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof stretchable
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0066—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof shrinkable
-
- 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
- A61F2230/0063—Three-dimensional shapes
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
A kind of anti-reflux courage intestinal ceca frame, including intestinal stent in a tubular form and biliary tract rack, the outlet of the entrance and biliary tract rack of intestinal stent is detachably connected, and the exit of intestinal stent is equipped with anti-reflux petal body;The petal body is in bud shape to be put, the petal piece set is folded along the circumferential direction of intestinal stent including several, the fixing end of petal piece is fixed on the end face in intestinal stent exit, the free end of petal piece is drawn close to the centroclinal of intestinal stent, and adjacent petal piece is laminated, and the airtight petal fluid chamber of a convex is enclosed in intestinal stent exit.The present invention is easy to operate, and success rate is high, and wound is small, and petal body forward can only burst forth to form outlet, can effectively prevent courage intestines reflux, effectively reduces the generation of reflux cholangitis.
Description
Technical field
The present invention relates to a kind of anti-reflux courage intestinal ceca framves.
Background technology
At present, mainly using manual suture, i.e. operator uses conventional surgical method, Ran Houli for Cholangio- jejunostomy operation
It is ligatured manually with needle holder, tweezers and needlework, under laparoscope, due to suturing the notable of angle, considerably increases courage intestines
The risk of leak after coincideing.Further, since the defect or missing of duodenofiberscope portion sphincter, it is anti-to be easy to cause postoperative appearance
Fluidity cholangitis.For beginner or suturing skill gastrointestinal disease patient, Cholangio- jejunostomy often can not be successfully completion, and biliary tract plastics branch
Frame with its it is inexpensive the characteristics of select application, but recurrent infection of biliary tract and plastics after stenting by Most patients and family members
Stent unobstructed phase short present situation usually annoyings us.
Reflux cholangitis is also known as ascending cholangitis, be in enteron aisle bacterium retrograde infection and cause.In addition to courage enteral fistula, courage
It is most common reason that intestinal contents adverse current, which enters biliary system, after entero-anastomosis.Oddi Sphincterotomies are postoperative can also to be occurred, special
It is not that biliary tract places the big metallic support person of diameter.Cholangio- jejunostomy is postoperative to occur reflux cholangitis patient, and reflux courage occurs
Guan Yan often lies dormant the danger of operative failure, for during row Endobiliary drainage, modus operandi is more in primary disease treatment,
But clinic proves, using biliary tract jejunum Roux-en-Y to be excellent.But the worry that reflux cholangitis occurs is equally existed, its generation can
Can be with previous anastomotic itself the defects of, output intestinal loop intestinal tube cecum is longer, and the length of jejunum button loop falls short of and anti-reflux effect is insufficient
It is related.
For the anti-reflective flow problem in Biliary drainage, there are many anti-reflux art formulas, such as Roux-en-Y of intestinal loop to kiss
It closes, improvement Y intestines intestinal anastomotic stomas angle, add on output intestinal tube and do artificial entembole or artificial breast head etc., these anti-reflux effects
Fruit how and which kind of art formula it is preferable, there are objections.
Chinese patent literature CN2013206036239 discloses a kind of biliary tract rack for reducing courage intestines reflux, which passes through
The pouch for being provided with Y shape or cross release breach is next anti-reflux, but be open always due to release breach, work as pouch
It, still can there are reflux risks during interior insufficient pressure.
Invention content
In order to solve the problems, such as that courage intestinal ceca frame is susceptible to reflux in the prior art, the present invention provides a kind of anti-reflux courage
Intestinal ceca frame.
The technical scheme is that:
A kind of anti-reflux courage intestinal ceca frame, including intestinal stent in a tubular form and biliary tract rack, the entrance of intestinal stent
Outlet with biliary tract rack is detachably connected, and the exit of intestinal stent is equipped with anti-reflux petal body;
The petal body is in bud shape to be put, and the petal piece set, petal piece are folded along the circumferential direction of intestinal stent including several
Fixing end be fixed on the end face in intestinal stent exit, the free end of petal piece is leaned on to the centroclinal of intestinal stent
Hold together, and adjacent petal piece is laminated, the airtight petal fluid chamber of a convex is enclosed in intestinal stent exit.
Further, the exit end face of the intestinal stent extends around, forms the mounting surface vertical with intestinal stent, institute
The fixing end for stating petal piece is fixed on the mounting surface.
Further, the intestinal stent and biliary tract rack mortise-tenon joint.
Further, circumferential annular catching groove is provided on the outer wall of the intestinal stent, correspondence is set on the inner wall of biliary tract rack
There is matched convex falcon.
Further, the petal piece is in fan-shaped curved, and one end where petal piece arc-shaped side is fixing end, petal piece
One end where central angle is free end.
Further, the biliary tract rack is equipped with anticreep section for one section close to outlet, and the outer diameter of the anticreep section is more than biliary tract branch
The outer diameter of frame ontology.
Further, the outer wall of the biliary tract rack is equipped with circumferential groove in its end portion.
Further, the circumferential groove in its end portion is arranged in anticreep section.
The beneficial effects of the invention are as follows:
(1) present invention is easy to operate, and success rate is high, and wound is small, and petal body forward can only burst forth to form outlet, can effectively prevent
Only courage intestines reflux effectively reduces the generation of reflux cholangitis.
(2) present invention has stronger practicability, can apply to open surgery and Laparoscopic operation simultaneously, suitable for facing
It is promoted and applied on bed.
(3) time of Cholangio- jejunostomy can be obviously shortened, while can reduce the difficulty sutured under laparoscope using the present invention,
Suitable for new hand and beginner.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is petal body vertical view.
Specific embodiment
A kind of anti-reflux courage intestinal ceca frame, including intestinal stent 1 in a tubular form and biliary tract rack 2, intestinal stent 1 enters
The outlet of mouth and biliary tract rack 2 is detachably connected, and the exit of intestinal stent 1 is equipped with anti-reflux petal body 11;
The petal body 11 is in bud shape to be put, and the petal piece 111 set is folded along the circumferential direction of intestinal stent 1 including several,
The fixing end of petal piece 111 is fixed on the end face in 1 exit of intestinal stent, and the free end of petal piece 111 is to intestinal stent 1
It is centroclinal draw close, and adjacent petal piece 111 is laminated, enclose the gas of a convex in 1 exit of intestinal stent
Close petal fluid chamber.
The exit end face of the intestinal stent 1 extends around, forms the mounting surface 12 vertical with intestinal stent 1, described
The fixing end of petal piece 111 is fixed on the mounting surface 12.
The intestinal stent 1 and 2 mortise-tenon joint of biliary tract rack.
Circumferential annular catching groove is provided on the outer wall of the intestinal stent 1, matching is correspondingly provided on the inner wall of biliary tract rack 2
The convex falcon 23 closed.
The petal piece 111 is in fan-shaped curved, and one end where 111 arc-shaped side of petal piece is fixing end, petal piece
One end where 111 central angles is free end.
The biliary tract rack 2 is equipped with anticreep section 21 for one section close to outlet, and the outer diameter of the anticreep section 21 is more than biliary tract rack
The outer diameter of ontology 22.
The outer wall of the biliary tract rack 2 is equipped with circumferential groove in its end portion 211.
The circumferential groove in its end portion 211 is arranged in anticreep section 21.
The present invention operation principle be:
The bile flowed into intestinal stent from biliary tract rack is converged in airtight petal fluid chamber, and push out petal
Piece, when pressure is sufficiently large, the free end of petal piece is pushed, and petal body is burst forth, and forms outlet, and bile flows into enteric cavity;It is airtight
The indoor pressure of petal body cavity be consistently greater than intestines cavity pressure, petal piece is not easy reversely to burst forth, and when airtight petal body cavity
When indoor pressure is not big enough, petal body is closed, and so as to effectively prevent bile adverse current, improves the postoperative quality of life of patient.
The present invention application method be:
(1) it wouldn't knot in enteric cavity side wall purse string suture in advance;
(2) intestinal stent is built into enteric cavity, tightens pocket;
(3) biliary tract rack is placed in courage intracavitary, and circumferential groove in its end portion is lived with coil, to fix biliary tract rack;
(4) the convex falcon of biliary tract rack is inserted into the annular catching groove of intestinal stent, completes Cholangio- jejunostomy.
Petal body is made of flexible colloidal materials, is easy to push open.
Due to being equipped with mounting surface 12, the diameter of mounting surface 12 is more than the diameter of intestinal stent 1, has anti-off effect, effectively
Prevent intestinal stent from being skidded off out of enteric cavity, similarly, anticreep section 21 can effectively prevent biliary tract rack and be skidded off from courage intracavitary.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of anti-reflux courage intestinal ceca frame, it is characterised in that:Including intestinal stent in a tubular form and biliary tract rack, enteron aisle branch
The outlet of the entrance and biliary tract rack of frame is detachably connected, and the exit of intestinal stent is equipped with anti-reflux petal body;
The petal body folds the petal piece set along the circumferential direction of intestinal stent including several, and the fixing end of petal piece is fixed on enteron aisle
On end face at support outlet, the free end of petal piece is drawn close to the centroclinal of intestinal stent, and adjacent petal piece is mutual
Pressing encloses the airtight petal fluid chamber of a convex in intestinal stent exit.
2. a kind of anti-reflux courage intestinal ceca frame as described in claim 1, it is characterised in that:The exit end face of the intestinal stent
Extend around, form the mounting surface vertical with intestinal stent, the fixing end of the petal piece is fixed on the mounting surface.
3. a kind of anti-reflux courage intestinal ceca frame as claimed in claim 2, it is characterised in that:The intestinal stent and biliary tract rack
Mortise-tenon joint.
4. a kind of anti-reflux courage intestinal ceca frame as claimed in claim 3, it is characterised in that:It is opened on the outer wall of the intestinal stent
There is circumferential annular catching groove, matched convex falcon is correspondingly provided on the inner wall of biliary tract rack.
5. a kind of anti-reflux courage intestinal ceca frame as claimed in claim 4, it is characterised in that:The petal piece is in fan-shaped curved surface
Shape, and one end where petal piece arc-shaped side is fixing end, one end where petal piece central angle is free end.
6. a kind of anti-reflux courage intestinal ceca frame as claimed in claim 5, it is characterised in that:The biliary tract rack is close to outlet one
Section is equipped with anticreep section, and the outer diameter of the anticreep section is more than the outer diameter of biliary tract rack ontology.
7. a kind of anti-reflux courage intestinal ceca frame as claimed in claim 6, it is characterised in that:It is set on the outer wall of the biliary tract rack
There is circumferential groove in its end portion.
8. a kind of anti-reflux courage intestinal ceca frame as claimed in claim 7, it is characterised in that:The circumferential groove in its end portion is arranged on anticreep
Duan Shang.
Priority Applications (1)
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CN201610145015.6A CN105662665B (en) | 2016-03-14 | 2016-03-14 | A kind of anti-reflux courage intestinal ceca frame |
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CN201610145015.6A CN105662665B (en) | 2016-03-14 | 2016-03-14 | A kind of anti-reflux courage intestinal ceca frame |
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CN105662665A CN105662665A (en) | 2016-06-15 |
CN105662665B true CN105662665B (en) | 2018-06-08 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107822750B (en) * | 2017-12-15 | 2023-09-26 | 郑州大学第一附属医院 | Anti-backflow support for pipeline |
CN108201476A (en) * | 2018-01-19 | 2018-06-26 | 西安交通大学医学院第附属医院 | A kind of anti-attachment that backflows for being loaded into biliary tract rack |
CN108403268B (en) * | 2018-03-22 | 2024-02-20 | 镇江市第三人民医院 | Magnetic collapsible tracheal stent |
CN112587279B (en) * | 2020-12-09 | 2022-07-29 | 山东第一医科大学附属省立医院(山东省立医院) | Assembled aorta large support system |
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CN2427226Y (en) * | 2000-05-20 | 2001-04-25 | 范志宁 | Supporting means in cavity channel |
EP2331018B1 (en) * | 2008-06-20 | 2021-11-17 | Coloplast A/S | Intraluminal device |
CN201719412U (en) * | 2010-05-20 | 2011-01-26 | 南京微创医学科技有限公司 | Biliary stent with anti-backflow flap |
EP3030195B1 (en) * | 2013-08-07 | 2017-09-27 | Boston Scientific Scimed, Inc. | Silicone reflux valve for polymeric stents |
CN203576702U (en) * | 2013-09-29 | 2014-05-07 | 中国人民解放军第二军医大学 | Biliary stent capable of reducing biliary-intestinal reflux |
CN205831967U (en) * | 2016-03-14 | 2016-12-28 | 蔡秀军 | A kind of anti-reflux gallbladder intestinal ceca frame |
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Effective date of registration: 20180521 Address after: 310058 zhe Da Road, Xihu District, Hangzhou, Zhejiang Province, No. 38 Applicant after: Zhejiang University Address before: 310020 Sir Run Run Shaw Hospital, 3 Qingchun East Road, Hangzhou, Zhejiang Applicant before: Cai Xiujun Applicant before: Liang Yuelong Applicant before: Chen Mingyu |