CN105213076A - A kind of artificial tumor neck and preparation method thereof - Google Patents
A kind of artificial tumor neck and preparation method thereof Download PDFInfo
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- CN105213076A CN105213076A CN201410261015.3A CN201410261015A CN105213076A CN 105213076 A CN105213076 A CN 105213076A CN 201410261015 A CN201410261015 A CN 201410261015A CN 105213076 A CN105213076 A CN 105213076A
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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
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
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Abstract
The invention discloses a kind of artificial tumor neck and preparation method thereof, described artificial tumor neck comprises outer tubular wall and tubulose built-in channel, and described built-in channel is arranged in outer wall, and described built-in channel is hollow structure and the two ends of described built-in channel are connected with outer wall sealing.Described outer wall is or/and built-in channel is made up of tubulose overlay film and metal rack, and described metal rack is arranged on the surface of tubulose overlay film.Discharge after artificial tumor neck being imported to the Normal aorta of lesion locations near-end in art, covering material is supported on normal blood vessels wall by metal rack, ensures the laminating between artificial tumor neck and normal blood vessels; Aneurysm and blood flow are completely cut off at Endovascular by overlay film frame, set up the channel of blood flow of aorta and branch vessel, simultaneously, the use of artificial tumor neck reduces the structural requirement to overlay film frame, can be realized by straight pipe type overlay film frame, low to tumor neck length requirement, go for the case that tumor neck length degree is extremely short, and production technology has obvious simplification, can cut down finished cost, enhance productivity.
Description
Technical field
The present invention relates to medical instruments field, particularly artificial tumor neck of one and preparation method thereof.
Background technology
Arotic disease is one of the most fatal and that treatment difficulty is the highest vascular surgery disease.Traditional surgical intervention operation enforcement difficulty is high, operation wound large, and the intravascular Interventional Treatment method therefore utilizing overlay film frame to implement is being widely used in clinical treatment in recent years.Overlay film frame is delivered to aortic disease position through induction system by femoral artery otch by interventional therapy operation, and protection lesion vessels, repairs aortic disease.
Overlay film frame in the market for aortic aneurysm interventional therapy is of a great variety, and various product all has respective feature, and indication scope is also distinguished to some extent.But most of overlay film frame product is when treating aortic aneurysm, adherent and prevent the performances such as displacement at a specified future date preferably in order to meet overlay film frame near-end, all to the shortest length in territory, proximal landing zone being suitable for case, i.e. the maximum bend angle of tumor neck shortest length, and tumor neck limits to some extent.Existing endovascular stent for abdominal aorta majority is branch type modular construction (as shown in Figure 1), by main body overlay film frame and length between branch overlay film frame, the coordinating of diameter, increase the adaptability to different blood vessel diameter and length, but for the design parameter of supporting structure and manufacture process requirement higher.Specifically can see list of references: InfrarenalEVARTechnologyReview.EanasS.YassaandJosephV.Lo mbardi.EndovascularToday, March2012.
Existing aorta interventional therapy product is greater than 15mm to tumor neck length degree common demands.And in operation process, in order to ensure the enough adherent length of near-end tumor neck, usually can cover some branch vessel.Although do not form consensus at present, branch vessel is capped the risk existing and affect internal organs blood supply.Therefore existing product exists following not enough: 1) high to tumor neck length requirement, causes applicable case limited; 2) easily make a difference in art the situation of branch vessel blood supply.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of artificial tumor neck and preparation method thereof, laminating between artificial tumor neck grease guarantee and normal blood vessels, while elimination aneurysm rupture risk, ensure the normal blood supply of branch vessel, effectively can completely cut off tumor chamber and blood, not easily there is the severe event that displacement at a specified future date causes I type internal hemorrhage due to trauma, and low to tumor neck length requirement, go for the case that tumor neck length degree is extremely short.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of artificial tumor neck, comprise outer tubular wall and tubulose built-in channel, described built-in channel is arranged in outer wall, and described built-in channel is hollow structure and the two ends of described built-in channel are connected with outer wall sealing.
Above-mentioned artificial tumor neck, wherein, described outer wall is or/and built-in channel is made up of tubulose overlay film and metal rack, and described metal rack is arranged on the surface of tubulose overlay film.
Above-mentioned artificial tumor neck, wherein, described metal rack is attached to the surface of tubulose overlay film by stitching, glue company or hot melting way.
Above-mentioned artificial tumor neck, wherein, described metal rack is formed after being worked out by strands of metal wire, or is formed through cut by metal tube.
Above-mentioned artificial tumor neck, wherein, described metal rack is made up of the bracket loop of multiple parallel distribution, and described bracket loop is Z-shaped wavy, is joined end to end or formed after cut by metal tube by tinsel.
Above-mentioned artificial tumor neck, wherein, described metallic stent material is Nitinol or cobalt-base alloys or rustless steel, and described tubulose overlay film adopts PET or ePTFE to make.
Above-mentioned artificial tumor neck, wherein, described metal rack has barb.
Above-mentioned artificial tumor neck, wherein, described barb is shaped by welding and/or cut.
Above-mentioned artificial tumor neck, wherein, described metal rack is made up of Z-shaped undulating spider circle, and described barb is positioned at the upper summit of the Z-shaped ripple of described bracket loop and/or lower summit.
Above-mentioned artificial tumor neck, wherein, the quantity of described built-in channel is 2-7.
Above-mentioned artificial tumor neck, wherein, the cross section of described built-in channel is circle, ellipse, triangle, square or rectangular.
Above-mentioned artificial tumor neck, wherein, described built-in channel is connected by carrying out sealing in the mode of the stitching of two ends overlay film or filled high polymer material with outer wall.
Above-mentioned artificial tumor neck, wherein, the length of described artificial tumor neck is at least 10mm.
Above-mentioned artificial tumor neck, wherein, described overlay film is three layers of ePTFE film, be divided into interior, in, outer three layers, described metal rack is wrapped between mesopelagic layer and outer membrane, forms the outer wall of artificial tumor neck; Described inner layer film and the two ends of mesopelagic layer seal to be connected and to fill glue between inner layer film and mesopelagic layer and form bag structure, and described inner layer film is formed the built-in channel of hollow by filling the extruding of the pouch after glue isolation.
The present invention solves the problems of the technologies described above the preparation method that another technical scheme adopted is to provide a kind of artificial tumor neck, comprise the steps: by tinsel flat board establishment mould on carry out bending volume around, after a shape setting heat treatments, two terminal filament heads are fixed by socket, and carry out secondary heat treatment outside the steel pipe being enclosed within required form and size, form the metal rack circle of multiple different size; According to the size of outer wall, inner passage and the overlay film of length cutting outer wall, built-in channel and sealing area required size, by being used for the overlay film edge stitching along its length of outer wall, built-in channel, form overlay film pipe; The bracket loop of different size is stitched respectively on the overlay film pipe of outer wall and built-in channel according to required clearance requirement, forms artificial tumor neck outer wall and inner passage; The overlay film respective seam of sealing area is bonded to the circumferential edge of respective external wall and inner passage, the two ends of built-in channel are connected with outer wall sealing.
The preparation method of above-mentioned artificial tumor neck, wherein, by the mode that clamp or weld is fixed after being connect by tinsel two terminal filament headgear with connection tube.
The preparation method of above-mentioned artificial tumor neck, wherein, after described metal rack delineation type completes, carries out polishing to described metal rack circle.
The preparation method of above-mentioned artificial tumor neck, wherein, described metal rack circle is Z-shaped wavy, and described metal rack circle adopts cobalt-base alloys or Nitinol to make, and described overlay film adopts PET or ePTFE to make.
The present invention solves the problems of the technologies described above the preparation method that the third technical scheme adopted is to provide a kind of artificial tumor neck, comprise the steps: by tinsel flat board establishment mould on carry out bending volume around, after a shape setting heat treatments, two terminal filament heads are fixed by socket, and carry out secondary heat treatment outside the steel pipe being enclosed within required diameter, form metal rack circle; Overlay film is formed by three layers of ePTFE film hot melt, be divided into interior, in, outer three layers, described metal rack circle is wrapped between mesopelagic layer and outer membrane and is fixed, form the outer wall of artificial tumor neck; Described inner layer film and the two ends of mesopelagic layer seal to be connected and to fill glue between described inner layer film and mesopelagic layer and form bag structure; After filling, described inner layer film is formed the built-in channel of hollow by filling the extruding of the pouch after glue isolation.
The preparation method of above-mentioned artificial tumor neck, wherein, described metal rack circle is Z-shaped wavy; Described metal rack circle adopts cobalt-base alloys or Nitinol or rustless steel to make.
The preparation method of above-mentioned artificial tumor neck, wherein, by the mode that clamp or weld is fixed after being connect by metal two terminal filament headgear with connection tube.
The present invention contrasts prior art following beneficial effect: artificial tumor neck that technical solution of the present invention provides and preparation method thereof, artificial tumor neck comprises outer wall and built-in channel, end face between built-in channel and outer wall is closed, be used for the treatment of aortic aneurysm, discharge after artificial tumor neck being imported to the Normal aorta of lesion locations near-end in art, covering material is supported on normal blood vessels wall by metal rack, ensures the laminating between artificial tumor neck and normal blood vessels, aneurysm and blood flow are completely cut off at Endovascular by overlay film frame, set up the channel of blood flow of aorta and branch vessel, while elimination aneurysm rupture risk, by discharging straight pipe type overlay film frame in built-in channel, coeliac trunk can be connected respectively, on mesentery, renal artery, the important branch blood vessels such as iliac artery, ensure the blood supply passage of vitals, reduce overlay film frame to the impact of branch vessel blood supply, avoid the post-operative complication that shutoff branch vessel is brought, owing to can discharge in the normal blood vessels region that distance lesion is far away, not easily there is the severe event that displacement at a specified future date causes I type internal hemorrhage due to trauma.Meanwhile, the use of artificial tumor neck reduces the structural requirement to overlay film frame, can be realized by straight pipe type overlay film frame, low to tumor neck length requirement, goes for the case that tumor neck length degree is extremely short.Compared with existing branch type endovascular stent for abdominal aorta, configuration and the production technology of the overlay film frame matched with artificial tumor neck have obvious simplification, can cut down finished cost, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the main overlay film frame structural representation of existing branch type abdomen;
Fig. 2 is the structural representation of the artificial tumor neck of four-way in the embodiment of the present invention;
Fig. 3 is the structural representation of the artificial tumor neck of Hexamermis spp in the embodiment of the present invention;
Fig. 4 be in the embodiment of the present invention artificial tumor neck be connected with branch stent after structural representation;
Fig. 5 is the structural representation in the embodiment of the present invention after metal rack expansion;
Fig. 6 is the structural representation of overlay film in the embodiment of the present invention, and wherein Fig. 6 a is the overlay film of making artificial tumor neck outer wall, and Fig. 6 b and Fig. 6 c is the overlay film making built-in channel, and Fig. 6 d and Fig. 6 e is the overlay film of making artificial tumor neck end face;
Fig. 7 is the structural representation of artificial tumor neck in the embodiment of the present invention.
In figure:
1 main body overlay film frame 2 branch overlay film frame 3 outer wall 4 sealing area
5 built-in channel 31 metal rack 51 first passage 52 second channels
53 third channel 54 four-way 21 first support 22 second supports
23 the 3rd support 24 the 4th supports
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 2 is the structural representation of the artificial tumor neck of four-way in the embodiment of the present invention; Fig. 3 is the structural representation of the artificial tumor neck of Hexamermis spp in the embodiment of the present invention.
Refer to Fig. 2 and Fig. 3, artificial tumor neck provided by the invention, comprises outer tubular wall 3 and tubulose built-in channel 5, and built-in channel 5 is arranged in outer wall 3, and built-in channel 5 is hollow structure and the two ends of built-in channel 5 are connected with outer wall 3 sealing, forms sealing area 4.Outer wall 3 is or/and built-in channel 5 is made up of tubulose overlay film and metal rack 31, and metal rack 31 is arranged on the surface of tubulose overlay film.Metal rack 31 is attached to the surface of tubulose overlay film by stitching, glue company or hot melting way.
The outer wall 3 of artificial tumor neck, can be, but not limited to adopt overlay film frame structure, in order to ensure artificial tumor neck grease and normal blood vessels fully adherent, outer wall 3 needs to possess enough radial support power, mode by arranging metal rack 31 on tubulose overlay film realizes, and described metal rack 31 is attached to tubulose overlay film surface by modes such as stitching, glue company or hot melts.In order to provide enough anchor region to the overlay film frame of follow-up access, the length of artificial tumor neck is at least 10mm.Metal rack 31 is formed by tinsel establishment and Laser cutting.Metal rack 31 is preferably made up of Z-shaped undulating spider circle, and described barb can be positioned at the upper summit of the Z-shaped ripple of bracket loop and/or lower summit, also can optional position between the adjacent upper and lower summit of the Z-shaped ripple of bracket loop; Barb can be positioned at a summit of the Z-shaped ripple of bracket loop or multiple summit, or can at multiple barb that distributes between summit up and down of one or more adjacent Z-shaped ripple, or can at each distribution barb between summit up and down of multiple adjacent Z-shaped ripple.
The built-in channel 1 of artificial tumor neck, the branch vessel number connected as required can built-in 2 to 7 passages, and if Fig. 2 is 4 passages, Fig. 3 is 6 passages.Built-in channel 1 is hollow structure, and its shape of cross section is preferably circle, ellipse, triangle, square or rectangular, and also can be other polygons, its nearly distal cross section structure and size can change respectively according to the actual requirements.In order to ensure effectively strutting passage, the structure of built-in channel 1 can adopt overlay film frame to make, and the connected mode of described overlay film and metal rack 31 includes but not limited to sew up, glue connects and hot melt etc.
Metal rack 31 can be worked out rear by strands of metal wire or be formed through cut by metal tube, preferably, metal rack 31 is made up of the bracket loop of multiple parallel distribution, described bracket loop is Z-shaped wavy, worked out by end to end tinsel or metal tube laser cutting formed, the material of described metal rack 31 is preferably Nitinol, cobalt-base alloys or rustless steel, described tubulose overlay film preferably adopts PET (Polyethyleneterephthalate, polyethylene terephthalate) or ePTFE (expandedpolytetrafluoroethylene, expanded PTFE) make, certainly also other macromolecular materials can be adopted.
Artificial tumor neck inner seal region 4, can be, but not limited to be sewed up by overlay film or the mode of filled high polymer material seals, ensure that near-end blood flow is only through built-in channel 5 distally blood supply, form new channel of blood flow, aneurysm is got rid of outside blood circulation, thus realize completely cutting off tumor chamber, reach the aneurysmal object for the treatment of.
Refer to Fig. 4, during use, artificial tumor neck in Normal aorta blood vessel appropriate location release after, guiding catheter and ultrahard guide wire is imported by femoral artery or radial artery puncturing, set up the path between each built-in channel and each branch vessel respectively, as first passage 51, second channel 52, third channel 53, four-way 54 respectively with the first support 21, second support 22, 3rd support 23, path between each branch vessel of 4th support 24 connection establishment, blood flow loop is set up by release straight pipe type overlay film frame, for left and right renal artery, left and right iliac artery and/or coeliac trunk, the branch vessel such as superior mesenteric artery provide blood supply.
Embodiment 1
Continue referring to Fig. 2, the outer wall 5 of the artificial tumor neck that the present embodiment provides and built-in channel 3 are by metal rack and tubulose overlay film composition.Metal rack 31 is made up of multiple Z-shaped undulating spider circle.Metal rack 31 adopts Nitinol to make, and tubulose overlay film adopts PET to make.Concrete preparation process is as follows:
First, refer to Fig. 5, by tinsel flat board establishment mould on carry out bending volume around, by taking off the support of dull and stereotyped establishment after a shape setting heat treatments, be fixed by the mode of clamping after two terminal filament headgears of support being connect with connection tube, and carry out secondary heat treatment outside the steel pipe being enclosed within required diameter, form the bracket loop that multiple diameter is different.After having shaped, bracket loop is carried out to the process such as polishing.
Then, Fig. 6 please be participate in, according to the diameter of artificial tumor neck and the overlay film of length cutting required size.Wherein, Fig. 6 a is the overlay film making outer wall 3, and Fig. 6 b and Fig. 6 c is the overlay film of making two built-in channels 5, and Fig. 6 d and Fig. 6 e is the overlay film in the nearly distal seal region 4 of making artificial tumor neck.Overlay film in Fig. 6 a, Fig. 6 b and Fig. 6 c edge is along its length sewed up, forms overlay film pipe.
Large diameter metal rack circle is seamed on the overlay film pipe that overlay film in Fig. 6 a makes according to required clearance requirement, forms the outer wall 3 of artificial tumor neck.The metal rack circle of minor diameter is seamed to as requested on overlay film pipe that the overlay film in Fig. 6 b and Fig. 6 c makes, forms the little overlay film frame of two built-in channels 5.Near, the far-end respective seam of the little overlay film frame of built-in channel 5 are bonded in the respective aperture of the overlay film shown in Fig. 6 d and Fig. 6 e.Again the overlay film shown in Fig. 6 d and Fig. 6 e is seamed near, the far-end of outer wall 3 along outer circular edge, the two ends of built-in channel are connected with outer wall sealing.After completing, the internal structure of artificial tumor neck as shown in Figure 7.
Embodiment 2
Continue referring to Fig. 2, the artificial tumor neck that the present embodiment provides is made up of metal rack 31 and tubulose overlay film.Metal rack 31 is made up of multiple Z-shaped undulating spider circle.Bracket loop adopts cobalt-base alloys silk to make.Concrete preparation process is as follows:
First, refer to Fig. 5, by tinsel flat board establishment mould on carry out bending volume around, obtain the metal rack circle of required size after being fixed by two terminal filament heads by laser weld.
Overlay film be multilamellar ePTFE film hot melt formed, be divided into interior, in, outer three layers.Metal rack circle is wrapped between mesopelagic layer and outer membrane and is fixed, form the outer wall 3 of artificial tumor neck shown in Fig. 2.Inner layer film and the two ends of mesopelagic layer seal to be connected and to fill glue between described inner layer film and mesopelagic layer and form bag structure; Form the sealing area 4 of artificial tumor neck shown in Fig. 2.After filling, described inner layer film is formed the built-in channel 5 of hollow by filling the extruding of the pouch after glue isolation.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (21)
1. an artificial tumor neck, is characterized in that, comprise outer tubular wall and tubulose built-in channel, described built-in channel is arranged in outer wall, and described built-in channel is hollow structure and the two ends of described built-in channel are connected with outer wall sealing.
2. artificial tumor neck as claimed in claim 1, is characterized in that, described outer wall is or/and built-in channel is made up of tubulose overlay film and metal rack, and described metal rack is arranged on the surface of tubulose overlay film.
3. artificial tumor neck as claimed in claim 2, is characterized in that, described metal rack is attached to the surface of tubulose overlay film by stitching, glue company or hot melting way.
4. artificial tumor neck as claimed in claim 2, is characterized in that, described metal rack is formed after being worked out by strands of metal wire, or is formed through cut by metal tube.
5. artificial tumor neck as claimed in claim 2, is characterized in that, described metal rack is made up of the bracket loop of multiple parallel distribution, and described bracket loop is Z-shaped wavy, is joined end to end or formed after cut by metal tube by tinsel.
6. artificial tumor neck as claimed in claim 2, is characterized in that, described metallic stent material is Nitinol or cobalt-base alloys or rustless steel, and described tubulose overlay film adopts PET or ePTFE to make.
7. artificial tumor neck as claimed in claim 2, is characterized in that described metal rack has barb.
8. artificial tumor neck as claimed in claim 7, is characterized in that, described barb is shaped by welding and/or cut.
9. artificial tumor neck as claimed in claim 2, is characterized in that, described metal rack is made up of Z-shaped undulating spider circle, and described barb is positioned at the upper summit of the Z-shaped ripple of described bracket loop and/or lower summit.
10. artificial tumor neck as claimed in claim 1, is characterized in that, the quantity of described built-in channel is 2-7.
11. artificial tumor necks as claimed in claim 1, is characterized in that, the cross section of described built-in channel is circle, ellipse, triangle, square or rectangular.
12. artificial tumor necks as claimed in claim 1, is characterized in that, described built-in channel is connected by carrying out sealing in the mode of the stitching of two ends overlay film or filled high polymer material with outer wall.
13. artificial tumor necks as claimed in claim 1, is characterized in that, the length of described artificial tumor neck is at least 10mm.
14. artificial tumor necks as claimed in claim 2, it is characterized in that, described overlay film is three layers of ePTFE film, be divided into interior, in, outer three layers, described metal rack is wrapped between mesopelagic layer and outer membrane, forms the outer wall of artificial tumor neck; Described inner layer film and the two ends of mesopelagic layer seal to be connected and to fill glue between inner layer film and mesopelagic layer and form bag structure, and described inner layer film is formed the built-in channel of hollow by filling the extruding of the pouch after glue isolation.
The preparation method of 15. 1 kinds of artificial tumor necks as described in any one of claim 1-13, is characterized in that, comprise the steps:
Tinsel is carried out on flat board establishment mould bending volume around, after a shape setting heat treatments, two terminal filament heads are fixed by socket, and carry out secondary heat treatment outside the steel pipe being enclosed within required form and size, form the metal rack circle of multiple different size;
According to the size of outer wall, inner passage and the overlay film of length cutting outer wall, built-in channel and sealing area required size, by being used for the overlay film edge stitching along its length of outer wall, built-in channel, form overlay film pipe;
The bracket loop of different size is stitched respectively on the overlay film pipe of outer wall and built-in channel according to required clearance requirement, forms artificial tumor neck outer wall and inner passage;
The overlay film respective seam of sealing area is bonded to the circumferential edge of respective external wall and inner passage, the two ends of built-in channel are connected with outer wall sealing.
The preparation method of 16. artificial tumor necks as claimed in claim 15, is characterized in that, by the mode that clamp or weld is fixed after being connect by metal two terminal filament headgear with connection tube.
The preparation method of 17. artificial tumor necks as claimed in claim 15, is characterized in that, after described metal rack delineation type completes, carries out polishing to described metal rack circle.
The preparation method of 18. artificial tumor necks as claimed in claim 15, it is characterized in that, described metal rack circle is Z-shaped wavy, and described metal rack circle adopts cobalt-base alloys or Nitinol or rustless steel to make, and described overlay film adopts PET or ePTFE to make.
The preparation method of 19. 1 kinds of artificial tumor necks as claimed in claim 14, is characterized in that, comprise the steps:
Tinsel is carried out on flat board establishment mould bending compile around, after a shape setting heat treatments, two terminal filament heads are fixed by socket, and carry out secondary heat treatment outside the steel pipe being enclosed within required diameter, formation metal rack circle;
Overlay film is formed by three layers of ePTFE film hot melt, be divided into interior, in, outer three layers, described metal rack circle is wrapped between mesopelagic layer and outer membrane and is fixed, form the outer wall of artificial tumor neck; Described inner layer film and the two ends of mesopelagic layer seal to be connected and to fill glue between described inner layer film and mesopelagic layer and form bag structure; After filling, described inner layer film is formed the built-in channel of hollow by filling the extruding of the pouch after glue isolation.
The preparation method of 20. artificial tumor necks as claimed in claim 19, it is characterized in that, described metal rack circle is Z-shaped wavy; Described metal rack circle adopts cobalt-base alloys or Nitinol or rustless steel to make.
The preparation method of 21. artificial tumor necks as claimed in claim 19, is characterized in that, by the mode that clamp or weld is fixed after being connect by metal two terminal filament headgear with connection tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261015.3A CN105213076A (en) | 2014-06-12 | 2014-06-12 | A kind of artificial tumor neck and preparation method thereof |
| PCT/CN2015/081319 WO2015188775A1 (en) | 2014-06-12 | 2015-06-12 | Artificial aneurysmal neck and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410261015.3A CN105213076A (en) | 2014-06-12 | 2014-06-12 | A kind of artificial tumor neck and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040230289A1 (en) * | 2003-05-15 | 2004-11-18 | Scimed Life Systems, Inc. | Sealable attachment of endovascular stent to graft |
| US20060161247A1 (en) * | 2001-10-16 | 2006-07-20 | Scimed Life Systems, Inc. | Tubular prosthesis for external agent delivery |
| CN102264405A (en) * | 2008-12-31 | 2011-11-30 | 凯希特许有限公司 | System for providing fluid flow to nerve tissues |
| CN103747750A (en) * | 2011-01-17 | 2014-04-23 | 诺维塔治疗有限责任公司 | Blockstent device and methods of use |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2535552A1 (en) * | 2006-02-03 | 2007-08-03 | Ever D. Grech | Bifurcation stent |
| US20090248131A1 (en) * | 2008-03-31 | 2009-10-01 | Medtronic Vascular, Inc. | Covered Stent and Method of Making Same |
| CN101627933B (en) * | 2008-07-17 | 2012-10-17 | 微创医疗器械(上海)有限公司 | Covered stent |
| CN102379757B (en) * | 2011-04-27 | 2014-04-09 | 郭伟 | Stent-type blood vessel for intracavity treatment of complex abdominal aortic aneurysm |
| CN103598929B (en) * | 2013-11-28 | 2016-04-20 | 先健科技(深圳)有限公司 | Thoracic aorta covered bracket |
-
2014
- 2014-06-12 CN CN201410261015.3A patent/CN105213076A/en active Pending
-
2015
- 2015-06-12 WO PCT/CN2015/081319 patent/WO2015188775A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060161247A1 (en) * | 2001-10-16 | 2006-07-20 | Scimed Life Systems, Inc. | Tubular prosthesis for external agent delivery |
| US20040230289A1 (en) * | 2003-05-15 | 2004-11-18 | Scimed Life Systems, Inc. | Sealable attachment of endovascular stent to graft |
| CN102264405A (en) * | 2008-12-31 | 2011-11-30 | 凯希特许有限公司 | System for providing fluid flow to nerve tissues |
| CN103747750A (en) * | 2011-01-17 | 2014-04-23 | 诺维塔治疗有限责任公司 | Blockstent device and methods of use |
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| CN107157615B (en) * | 2016-03-07 | 2023-04-18 | 谷涌泉 | Covered stent |
| CN109152639A (en) * | 2016-05-25 | 2019-01-04 | 波顿医疗公司 | Stent graft and for treating aneurysmal application method |
| US11395750B2 (en) | 2016-05-25 | 2022-07-26 | Bolton Medical, Inc. | Stent grafts and methods of use for treating aneurysms |
| CN106073958A (en) * | 2016-07-13 | 2016-11-09 | 余少恒 | A kind of Medical rack and manufacture method thereof |
| CN106073958B (en) * | 2016-07-13 | 2019-04-16 | 余少恒 | A kind of Medical rack and its manufacturing method |
| CN106109056A (en) * | 2016-07-22 | 2016-11-16 | 有研医疗器械（北京）有限公司 | A kind of multi-cavity overlay film frame and using method thereof |
| CN106109056B (en) * | 2016-07-22 | 2018-02-13 | 有研医疗器械（北京）有限公司 | A kind of multi-cavity overlay film frame and its application method |
| CN109833116A (en) * | 2017-11-24 | 2019-06-04 | 杭州唯强医疗科技有限公司 | Enhance the vascular shunt frame and intravascular stent of stability |
| CN109833123A (en) * | 2017-11-24 | 2019-06-04 | 杭州唯强医疗科技有限公司 | Improve the vascular shunt frame and intravascular stent of adherence quality |
| WO2019101079A1 (en) * | 2017-11-24 | 2019-05-31 | 杭州唯强医疗科技有限公司 | Intravascular shunt frame with improved developing visibility and intravascular stent |
| CN109833124A (en) * | 2017-11-24 | 2019-06-04 | 杭州唯强医疗科技有限公司 | Improve the vascular shunt frame and intravascular stent of development visibility |
| WO2019101075A1 (en) * | 2017-11-24 | 2019-05-31 | 杭州唯强医疗科技有限公司 | Aortic endovascular shunt device |
| US11589976B2 (en) | 2017-11-24 | 2023-02-28 | Hangzhou Endonom Medtech Co. Ltd. | Multi-lumen stent graft |
| WO2019101078A1 (en) * | 2017-11-24 | 2019-05-31 | 杭州唯强医疗科技有限公司 | Shunt catheter for improving anchoring, and catheter |
| US11633296B2 (en) | 2017-11-24 | 2023-04-25 | Hangzhou Endonom Medtech Co. Ltd. | Vascular shunt frame and vascular stent with improved apposition |
| CN109833116B (en) * | 2017-11-24 | 2024-06-07 | 杭州唯强医疗科技有限公司 | Vascular shunts and vascular stents with enhanced stability |
| CN113693777A (en) * | 2020-05-06 | 2021-11-26 | 杭州唯强医疗科技有限公司 | Blood vessel shunt frame and blood vessel support |
| CN114712034A (en) * | 2021-01-05 | 2022-07-08 | 上海微创心脉医疗科技(集团)股份有限公司 | Covered stent |
| WO2025139929A1 (en) * | 2023-12-27 | 2025-07-03 | 先健科技(深圳)有限公司 | Covered stent and stent delivery system |
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| WO2015188775A1 (en) | 2015-12-17 |
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