CN1158050C - Artificial intracavity duct - Google Patents
Artificial intracavity duct Download PDFInfo
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- CN1158050C CN1158050C CNB011075155A CN01107515A CN1158050C CN 1158050 C CN1158050 C CN 1158050C CN B011075155 A CNB011075155 A CN B011075155A CN 01107515 A CN01107515 A CN 01107515A CN 1158050 C CN1158050 C CN 1158050C
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- intracavity duct
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Abstract
The present invention relates to a novel artificial cavity duct substitute, particularly to a substitute for the oesophagus or the trachea of a human body. The substitute comprises a memory alloy intelligent element, dacron connecting members and a silica gel film, wherein the memory alloy intelligent element is completely or partially cioated by the silica gel film to form a tubular structure; the dacron connecting members are installed at both ends of the tubular structure. Due to the fact that the memory alloy intelligent element can be used as a framework to realize automatic anastomosis, the transitional connection of the dacron connecting members is adopted, and the influence of the creepage of the cavity duct of a human body on an anastomotic stoma is lowered to the minimum. Anastomosis is firm, and the substitute is difficult to slip. The restitution problem of the oesophagus or the trachea after the oesophagus or the trachea of the human body is ablated is effectively solved, and the substitute conforms to physiological requirements. Not only can the adaption disease of an operation be expanded, but also the successful rate of the operation can be enhanced. The pain of a patient is relieved. The substitute has favorable economical and social benefit.
Description
Technical field
The present invention relates to a kind of artificial intracavity duct, especially human body esophagus or trachea succedaneum.
Background technology
In the prior art in the time need excising esophagus because of tumor, usually adopting lifting stomach or intestinal tube and esophagus proximal anastomosis to rebuild gastral way solves, this method makes former organ change normal position in vivo, thereby damage is big, and be non-physiology passage of food, have much to be difficult to the complication that overcomes; And the trachea pathological changes does not also have ideal tracheal reconstruction succedaneum need excise the above trachea of 3cm the time at present.
Summary of the invention
The objective of the invention is to provide a kind of artificial intracavity duct, solves the reconstruction problem after the human body lumen excises effectively, meets physiological requirement, not only can enlarge operative indication, and can improve success rate of operation, alleviates patient's misery.
Artificial intracavity duct of the present invention is made up of tubular body and connector that the memorial alloy intelligent element is made, and connector is fixed on the two ends or the end of tubular body, and pellosil partially or completely covers the tubular body of being made by the memorial alloy intelligent element.
Artificial intracavity duct of the present invention is owing to adopt the core parts of memorial alloy intelligent element as artificial intracavity duct, memorial alloy shape memory characteristics and phase transformation super-elasticity have been utilized cleverly, make that the present invention's artificial intracavity duct intensity is big and compliance is good, it is convenient to coincide, and has solved the reconstruction problem after lumen excises effectively.Even the curved shape of shaped design artificial intracavity duct during by the typing heat treatment can guarantee that also the internal diameter of artificial intracavity duct is even, unobstructed.Niti-shaped memorial alloy itself have good biocompatibility, nontoxic, have no side effect, intensity is big, it is a kind of good body implanting material, while improved biocompatible macromolecule membrane or biomembrane, or with the organization material of human body self inner membrance, make the patency rate height of the present invention's artificial intracavity duct as artificial intracavity duct.The use of connector especially has the use of the anastomat of banding effect, makes the present invention's artificial intracavity duct need not to use the traditional operation suturing with thread management when clinical, and coincideing, it is simple and convenient to reach taking-up.During clinical use, only need anastomat enlarged when being lower than recovery temperature and be enclosed within host's lumen that will coincide, the anastomotic part of the artificial intracavity duct that will coincide divides in host's lumen that insertion will coincide after the compression.Under the body temperature effect of human body, the temperature of memorial alloy intelligent element is higher than the recovery temperature of memorial alloy, and artificial intracavity duct enlarges, and the design shape when recovering the typing heat treatment is close to the inwall of host's lumen that will coincide; Anastomat then dwindles, and the design shape when recovering the typing heat treatment is close to the outer wall of the lumen that will coincide, with artificial intracavity duct and host's lumen that will coincide linking together tightly., only need cool to the part of coincideing when need taking out artificial intracavity duct as clinical, make the temperature of artificial intracavity duct be lower than the recovery temperature of memorial alloy, the memorial alloy intelligent element is softening, can conveniently take out after the compression.The transitionality of terylene connector connects, and can cushion the influence of the wriggling of host's lumen to anastomotic stoma effectively.
Description of drawings
Fig. 1 is the structural representation of the present invention of band terylene connector;
Fig. 2 is the structural representation of the present invention of broadening formation band terylene connector for the end;
Fig. 3 is the structural representation of broadening formation anastomat;
Fig. 4 is the structural representation of the A-A cutaway view of Fig. 3;
Fig. 5 is the structural representation of the column type anastomat of band agnail;
Fig. 6 is the structural representation of the B-B cutaway view of Fig. 5;
Fundamental diagram when Fig. 7 adopts anastomat to coincide for artificial intracavity duct;
Fig. 8 is the structural representation of the anti-artificial intracavity duct that backflows of broadening formation for the end;
Fig. 9 is the structural representation of the anti-artificial intracavity duct that backflows of broadening formation, far-end band terylene connector for nearly stomach end;
Figure 10 is the structural representation of the artificial intracavity duct of the dual anti-lobe that backflows of nearly stomach end band;
Figure 11 is the structural representation of the artificial intracavity duct of broadening formation band agnail for the end;
Fundamental diagram when Figure 12 adopts surgical thread to sew up for artificial intracavity duct;
Figure 13 is the structural representation of the no film artificial intracavity duct of end band terylene connector;
Figure 14 is the structural representation of the no film artificial intracavity duct of broadening formation band terylene connector for the end;
The specific embodiment
Artificial intracavity duct of the present invention, be to adopt tubular body 1 that the memorial alloy intelligent element makes as core parts, fixing available surgical thread is sewn to the stitching terylene connector 21 of host's lumen stump at its two ends, again on memorial alloy intelligent element top or all cover pellosil 3, shown in the artificial intracavity duct that artificial intracavity duct and Fig. 2 end of Fig. 1 end band terylene connector is broadening formation band terylene connector.Connector 2 is fixed on the two ends or the end of tubular body 1, and pellosil 3 partially or completely covers the tubular body of being made by the memorial alloy intelligent element 1.Artificial intracavity duct of the present invention also comprises can be enclosed within the artificial lumen anastomat 22 of tubulose that host's lumen stump is used as banding, shown in the column type anastomat of Fig. 3 broadening formation anastomat and Fig. 5 band agnail.The recovery temperature of artificial intracavity duct of the present invention can be good between 25 ℃-35 ℃ between 0 ℃-45 ℃ usually.The internal diameter of circular stapler 22 more than the recovery temperature with can be identical below the recovery temperature, also can be different, usually at the internal diameter of the above anastomat of recovery temperature less than the internal diameter of anastomat when recovery temperature is following.The identical part of artificial intracavity duct is that the external diameter of the end of artificial intracavity duct just in time coincide with the internal diameter of host's lumen that will be connected, and the internal diameter of anastomat 22 just in time coincide with the external diameter of host's lumen that will be connected.During clinical use, anastomat 22 is enlarged the outside that is enclosed within host's lumen stump that will coincide, the anastomotic part of the artificial intracavity duct that will coincide inserts in host's lumen that will coincide after dividing compression.Under the body temperature effect of human body, the temperature of memorial alloy intelligent element tubular body 1 is higher than the recovery temperature of memorial alloy, and artificial intracavity duct enlarges, and the design shape when recovering the typing heat treatment is close to the inwall of host's lumen that will coincide; Circular stapler 22 then dwindles, design shape when recovering the typing heat treatment, the outer wall of being close to the lumen that will coincide is with artificial intracavity duct and host's lumen of coincideing linking together tightly, shown in the fundamental diagram when adopting anastomat to coincide as Fig. 7 artificial intracavity duct., only need cool to the part of coincideing when need taking out artificial intracavity duct as clinical, make the temperature of artificial intracavity duct be lower than the recovery temperature of memorial alloy, memorial alloy intelligent element tubular body 1 is softening, can conveniently take out after the compression.The use of anastomat 22 can not need terylene connector 21, utilizes anastomat directly memorial alloy intelligent element tubular body 1 and host's lumen stump to be coincide.Artificial intracavity duct of the present invention uses when esophagus, if the host's esophagus that connects is near stomach, the anti-lobe 4 that backflows of one or more groups elasticity then is installed in the lower end of artificial intracavity duct, every group of anti-lobe that backflows be adjacent mutually by the anti-lobe that backflows of two foliaceous, be provided with in the same way, forms the anti-artificial intracavity duct that backflows.The anti-lobe 4 that backflows is made with macromolecular material usually, becoming unidirectional flap lobe shape, is that the anti-artificial intracavity duct that backflows of broadening formation, the nearly stomach end of Fig. 9 are shown in the artificial intracavity duct of broadening formation, the anti-artificial intracavity duct that backflows of far-end band terylene connector, the dual anti-lobe that backflows of the nearly stomach end of Figure 10 band as Fig. 8 end.On the identical part of artificial intracavity duct of the present invention or the artificial lumen anastomat 22 agnail 6 can also be installed, in case on-slip takes off, shown in the structural representation of artificial intracavity duct that Figure 11 end is broadening formation band agnail.
In another kind of mode, artificial intracavity duct of the present invention can be without anastomat 22, and uses traditional surgical thread 10 to sew up.During clinical use, the stump of the human body lumen that needs are identical is peeled off, directly the terylene connector 21 on the present invention's the artificial intracavity duct is sewn on the stump of the human body lumen of peeling off out with surgical thread, shown in the fundamental diagram when adopting surgical thread to sew up as Figure 12 artificial intracavity duct.
The tubular body 1 of memorial alloy intelligent element of the present invention and anastomat 22 are with the removable tubular structure through heat treated niti-shaped memorial alloy silk of typing or fibrage one-tenth, perhaps use the helical Bourdon tube of memory alloy wire coiled, or with memorial alloy light-wall pipe or the memorial alloy light-wall pipe that becomes through the laser engraving hollow out.Memorial alloy technology of the present invention is a prior art.When artificial intracavity duct is used as esophagus succedaneum or trachea succedaneum, usually selecting diameter for use is TINI shape-memory alloy wire or the fibrage webmaster of 0.005-1mm, the gap of memorial alloy braiding webmaster can be between 0.005-50mm, be convenient to tissue growth, creep, cover.During as artificial blood vessel succedaneum or artificial gall duct's succedaneum, the TINI shape-memory alloy wire of selecting for use is more tiny, and the gap of memorial alloy braiding webmaster is more tiny; Usually, the diameter of TINI shape-memory alloy wire is between 0.001-0.8mm, and the gap of memorial alloy braiding webmaster can be between 0.001-10mm.Artificial intracavity duct of the present invention also can be used for treating other people coelomic duct fistula or narrow fistula.
When the memorial alloy intelligent element tubular body 1 of artificial intracavity duct of the present invention adopts laser engraving technology to make, can become different decorative patterns with the laser engraving hollow out by different purposes.Memorial alloy intelligent element tubular body 1 its laser engraving decorative pattern at same artificial intracavity duct can be identical, also can be engraved as different decorative patterns because of the function difference of different parts.The light-wall pipe thickness of the TINI marmem of selecting for use is between 0.001-0.8mm, and the gap can be between 0.001-10mm, and carved pattern and gap length can be determined according to concrete purposes.
The identical part of artificial intracavity duct of the present invention or artificial lumen anastomat 22 can have different geometries, as cylinder tube shape, are with bell-mouthed cylinder tube shape.
The terylene connector 21 of artificial intracavity duct of the present invention can substitute with other flexible material, reduces because of the influence to anastomotic stoma of the wriggling of lumen.Pellosil 3 can substitute with other macromolecular material, perhaps blooming not, shown in the no film artificial intracavity duct that no film artificial intracavity duct and Figure 14 end of Figure 13 end band terylene connector is broadening formation band terylene connector, make no film artificial intracavity duct.During clinical use, around the no film artificial intracavity duct directly with the coatings of organization materials such as tissue such as omentum majus, lobe of the lung sheet, thereby the substituted for silicon glued membrane forms new human body lumen.Between 0.001mm-0.5mm, at this moment minimum as the porosity of memorial alloy light-wall pipe because of porosity, also can not cover pellosil 3 on the inwall of memorial alloy intelligent element tubular body 1.The memorial alloy intelligent element tubular body 1 of artificial intracavity duct of the present invention or artificial lumen anastomat 5 also can be with the elastomeric material manufacturings that can implant in human body.
During concrete enforcement, selecting recovery temperature earlier for use is 33 ℃, diameter is that the niti-shaped memorial alloy silk of 0.3mm is woven into tubulose or is that the memorial alloy light-wall pipe of 0.35mm becomes webmaster through laser engraving with wall thickness, polishing, after the polishing, through the typing heat treatment, promptly obtain memorial alloy intelligent element tubular body 1, in mould, coat the memorial alloy intelligent element with medical silica-gel 3, be woven into fine and close braided tube with polyster fibre, be fixed on the two ends of memorial alloy intelligent element, as be sewn to the end of the memorial alloy intelligent element tubular body 1 that coats silica gel, as terylene connector 21, can obtain the present invention's artificial intracavity duct.In the artificial intracavity duct as the anti-lobe 4 that backflows need to be installed, usually when coating pellosil 3, molding simultaneously in mould.
Claims (9)
1, a kind of artificial intracavity duct, it is characterized in that: tubular body that described artificial intracavity duct is made by the memorial alloy intelligent element (1) and connector (2) are formed, connector (2) is fixed on the two ends or the end of tubular body (1), and pellosil (3) partially or completely covers the tubular body of being made by the memorial alloy intelligent element (1).
2, according to the described artificial intracavity duct of claim 1, it is characterized in that: described connector (2) is the terylene spare of sewing up usefulness (21) that is fixed on memorial alloy intelligent element tubular body (1) end.
3, according to the described artificial intracavity duct of claim 1, it is characterized in that: described connector (2) is the anastomat made from the memorial alloy intelligent element that the banding effect is arranged (22).
4, according to the described artificial intracavity duct of claim 1, it is characterized in that: described memorial alloy intelligent element tubular body (1) and anastomat (22) are to form with the braiding of niti-shaped memorial alloy silk.
5, according to the described artificial intracavity duct of claim 1, it is characterized in that: described memorial alloy intelligent element tubular body (1) is the helical Bourdon tube that becomes with the niti-shaped memorial alloy filament winding with anastomat (22).
6, according to the described artificial intracavity duct of claim 1, it is characterized in that: described memorial alloy intelligent element tubular body (1) and anastomat (22) are the niti-shaped memorial alloy light-wall pipes that forms with the laser engraving hollow out.
7, according to the described artificial intracavity duct of claim 1, it is characterized in that: described artificial intracavity duct geometry is cylinder tube shape and is with bell-mouthed cylinder tube shape.
8, according to the described artificial intracavity duct of claim 1, it is characterized in that: the inside of described artificial intracavity duct is equipped with the anti-lobe (4) that backflows of unidirectional in groups foliaceous elasticity.
9, according to the described artificial intracavity duct of claim 1, it is characterized in that: the end installed inside of described artificial intracavity duct has agnail (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011075155A CN1158050C (en) | 2001-02-12 | 2001-02-12 | Artificial intracavity duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011075155A CN1158050C (en) | 2001-02-12 | 2001-02-12 | Artificial intracavity duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1300579A CN1300579A (en) | 2001-06-27 |
| CN1158050C true CN1158050C (en) | 2004-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011075155A Expired - Fee Related CN1158050C (en) | 2001-02-12 | 2001-02-12 | Artificial intracavity duct |
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| Country | Link |
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| CN (1) | CN1158050C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362971C (en) * | 2005-11-16 | 2008-01-23 | 程英升 | Cardia stent |
| WO2010043177A1 (en) * | 2008-10-15 | 2010-04-22 | Zhou Xing | Human body tube substitute of biological induction type |
| TWI688380B (en) * | 2019-03-13 | 2020-03-21 | 張乙馨 | Integrated artificial ostomy device |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326579C (en) * | 2002-08-13 | 2007-07-18 | 周星 | Composite support |
| CN100387316C (en) * | 2002-09-19 | 2008-05-14 | 周星 | Meatus acusticus dilator |
| CN102551917B (en) * | 2011-12-06 | 2015-06-03 | 东华大学 | Artificial fallopian tube and preparation method thereof |
| CN103908362A (en) * | 2013-01-08 | 2014-07-09 | 杨廷旭 | Membrane-coverage bivalve anti-backflow nickel-titanium memory alloy esophageal stent |
| CN103462732A (en) * | 2013-09-12 | 2013-12-25 | 中国人民解放军第二军医大学 | Unilateral-wing bile-duct inner stent with stent-withdrawing line |
| ITMI20131716A1 (en) * | 2013-10-16 | 2015-04-17 | Antonio Sambusseti | ABSORBABLE TUBULAR TUBULAR BRACKET FOR TUBULAR PATCH INTENDED FOR TISSUE RECONSTRUCTION OF URETRAL AND / OR URETERAL SECTORS REMOVED |
| CN103886799B (en) * | 2014-03-13 | 2016-04-13 | 西安交通大学 | A kind of imitative pneumoperitoneum silica gel titanium net stomach wall |
| CN107115165A (en) * | 2017-05-11 | 2017-09-01 | 常州大学 | A kind of technology of preparing of reinforcement silicone airway stent |
-
2001
- 2001-02-12 CN CNB011075155A patent/CN1158050C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362971C (en) * | 2005-11-16 | 2008-01-23 | 程英升 | Cardia stent |
| WO2010043177A1 (en) * | 2008-10-15 | 2010-04-22 | Zhou Xing | Human body tube substitute of biological induction type |
| TWI688380B (en) * | 2019-03-13 | 2020-03-21 | 張乙馨 | Integrated artificial ostomy device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1300579A (en) | 2001-06-27 |
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Effective date of registration: 20090213 Address after: Guangzhou economic and Technological Development Zone Guangdong Science City Guangzhou international business incubator A District A601 Patentee after: Guangzhou Dike Medical Equipment Co., Ltd. Address before: Room 12, building 19, 601 martyrs South Road, Guangdong, Guangzhou Patentee before: Zhou Xing |
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Owner name: GUANGDONG DICK MEDICAL DEVICES CO., LTD. Free format text: FORMER OWNER: ZHOU XING Effective date: 20090213 |
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Granted publication date: 20040721 Termination date: 20150212 |
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