CN104840283B - A kind of intravascular stent system with seal wire reserved passageway protection device - Google Patents
A kind of intravascular stent system with seal wire reserved passageway protection device Download PDFInfo
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- CN104840283B CN104840283B CN201510277692.9A CN201510277692A CN104840283B CN 104840283 B CN104840283 B CN 104840283B CN 201510277692 A CN201510277692 A CN 201510277692A CN 104840283 B CN104840283 B CN 104840283B
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- filler
- seal wire
- protection device
- mounting system
- reserved passageway
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Abstract
The present invention provides a kind of intravascular stent system with seal wire reserved passageway protection device.Described protection device includes moveable filler; so that the reserved passageway of mounting system is easy to produce; and the reserved passageway retained during production is folded is not compressed, bends, deforms; sacculus and metallic support will not be damaged simultaneously when seal wire runs through mounting system so that can more favorably accomplish the work through seal wire.
Description
Technical field
The present invention relates to a kind of medicine equipment for being input to human body, specifically a kind of intravascular stent.
Background technology
It is well known that angiocardiopathy is to threaten one of principal disease of human health and life, intravascular stent is wide
In the general treatment for being applied to angiocardiopathy, over the course for the treatment of, in the blood vessel of the implanted human body of intravascular stent, reach treatment and
The vascular diseases such as prevention the narrow of blood vessel, obstruction and aneurysm and interlayer.
The intravascular stent major part of application is to be placed on sacculus in advance at present, between all of intravascular stent and sacculus
It is that support balloon center has silk guide passage without space, such design is easy to seal wire by support and balloon system center
Silk guide passage, allow support balloon system reach blood vessel along seal wire and hit diseased region, then after balloon expandable will
Frame is released in target lesion position.Blood vessel is bifurcated, when two of bifurcated vessels or three branch vessels have pathology, by several supports
When being discharged in the blood vessel of pathology or protecting branch vessel, need under X-ray machine, another seal wire of operation discharges support from
In mesh in by and reach another blood vessel, these operation difficulties are big, waste time and energy, and Position location accuracy is poor；Or work as
Only when vascular bifurcation opening has pathology, support is difficult pathology is completely covered, in order to not affect another branch's blood for not having pathology
Pipe or protection branch vessel, are therefore accomplished by being accurately positioned, and in putting into practice at present, extensive method of operating is under X-ray machine, repeatedly
Position is shone with different throwings, accurate operation is positioned.
Therefore, manufacture a kind of convenience and operate and be conducive to being accurately positioned treatment vascular bifurcation pathology and openings in blood vessels pathology
Intravascular stent is necessary, provides a kind of support of reserved silk guide passage in patent CN201320895986.4, but new
Problem is generated again, in the stent procedures are produced, how to make the passage？After producing the passage, it is difficult to keep pre- simultaneously
The silk guide passage for staying is not compressed, deformation, or even bending, and once there is this problem, seal wire is difficult by passage insertion
Frame；Meanwhile, in application process, because wire guide is very tiny, its head end is very sharp keen, and seal wire is passing through the reserved passageway process
In be easy to sacculus and metallic support are caused to damage.
The present invention for above-mentioned technical problem, provides solution.
Content of the invention
For solving the above problems, the invention provides a kind of intravascular stent system with seal wire reserved passageway protection device
System.
The intravascular stent system schema is as follows：
Intravascular stent system includes sacculus, the conduit of balloon center and the metallic support being embedded in outside sacculus, it is characterised in that
The seal wire reserved passageway protection device that slidably extracts out is provided between sacculus and outer layer metal support.
Above-mentioned protection device, includes the filler being filled in seal wire reserved passageway, filler be supported on sacculus with
Between metallic support and it is close to metallic support and sacculus, filler can slide extraction so as to forming the passage that seal wire runs through.
Above-mentioned filler is axially parallel with foley's tube, and its section can be and be any one side and outer layer metal
The shape of support cambered surface laminating, other polygons that are such as oval, being arc, filler are made axially through mounting system
Obtain filler to extract out from any one end.The material of filler can typically be the resilient material of tool, anti-extrusion can become
It is the material of hard after shape and good one's own substance characteristics, or shaping.In addition, filler can be homogenous material
Filler, or the filler of multiple material MULTILAYER COMPOSITE, double-deck or multilayer material can be being nested into concentric tube
The structure of shape so that when filler is released, one end of seal wire stably can be contacted seal wire with filler, is unlikely to cause and slides
Moving causes to pierce through sacculus.The filler axial length can be longer than seal wire reserved passageway, and wherein one or both ends protrusion is in seal wire
Outside reserved passageway；Can be with the accessory structure of the pull-out or release for being easy to filler, the accessory structure can be thread,
Can be prominent other shapes.Can combine with filler, on the side wall of the metallic support contacted with filler, open
There is the hole that pass through can seal wire so that seal wire can select the direction that runs through as needed.
With above-mentioned hole, and filler can coordinate, and can also arrange plug-in unit, and plug-in unit is consistent with the shape size in hole,
Or its section is slightly less than the size in hole so that plug-in unit can be filled in or be inserted in the hole, it is easy to the formation in the hole in process of production,
And prevent the deformation in hole；Meanwhile, plug-in unit can be coordinated with above-mentioned filler, and on filler, position corresponding with hole can be opened
Fluted, plug-in unit can by fill in or patchhole after, further fill in or insert in corresponding groove, this design is easy to
The demolition of the plug-in unit in use, after demolition, the groove of filler is easy to the effect of seal wire.The filler can also simultaneously
There is passage to be connected with groove, be easy to seal wire to pass through, then seal wire and filler are pulled out together or release.
Can there are axial passage, passage to communicate with groove and hole inside above-mentioned filler, passage can be axially through
Filler, it is also possible to only have opening at one end.
In addition, the filler that includes of above-mentioned protection device and its corresponding groove, can arrange one group, Ke Yishe incessantly
Put multigroup, with use actually used needs.
The using method of the mounting system with seal wire reserved passageway protection device can be as follows：
A. all of plug-in unit is taken out, or next step is then directly entered using the scheme without plug-in unit；
B., after determining the hole that seal wire needs, seal wire is oblique from hole penetrates for operation, or penetrates from radial direction one end of filler,
Seal wire is contacted with filler, produces radial thrust, and filler is released from reserved passageway；Can also be by filler from reserved
It is drawn out with seal wire together in passage；
C. operation seal wire is continued for withstanding filler and continues to thrust, and filler is slowly extracted out by the other end, mistake
Cheng Zhong, prevents from withstanding filler one end wire tips and filler disengaging, until seal wire runs through reserved under the guiding of filler
Passage；Thrust can also be applied by seal wire only in previous step directly to release filler.
Compared with prior art, the present invention program has advantages below：
1, seal wire reserved passageway can be protected, it is to avoid which just compresses before the use, deformation even bends, while
Lateral opening hole can be protected not deform；
2, it is more easy when seal wire penetrating via is manipulated to enable to user, and protects sacculus and metallic support not to be led
Damage the sharp termination of silk；
3 so that the production of support is more easy, and yield rate is higher.
Description of the drawings
Fig. 1 is the top view of the intravascular stent system with seal wire reserved passageway protection device；
Fig. 2 is the cross-sectional view of the intravascular stent system with seal wire reserved passageway protection device；
Fig. 3 is the vertical section figure of the intravascular stent system with seal wire reserved passageway protection device；
Fig. 3 a are the vertical section figures of the intravascular stent system with seal wire reserved passageway protection device variation type；
Fig. 4 is the vertical section figure of the operating diagram of the intravascular stent system with seal wire reserved passageway protection device；
Fig. 5 is the vertical section figure that seal wire reserved passageway and channel protection device all have no through intravascular stent system.
Fig. 6 is the vertical section figure of the intravascular stent system with plug-in unit；
Fig. 7 and Fig. 8 are the vertical section figures of the intravascular stent system operating diagram with plug-in unit；
Fig. 9 and Figure 10 are vertical section figure of the filler with silk guide passage
In above-mentioned schematic diagram：1. seal wire reserved passageway mounting system, the sacculus that can 2. radially expand, 3. metal
Frame, 4. in the conduit at 2 center of sacculus, 5. the silk guide passage at 4 center of conduit, 6. has reserved passageway, 7. between support and sacculus
It is easy to seal wire to pass through the hole of seal wire reserved passageway, 8. filler (dash area), 9. plug-in unit, 10. the groove on filler, 20.
By the seal wire of silk guide passage 5,30. by the seal wire of reserved passageway 6, the silk guide passage in the middle of 11. fillers, 12. fillers
The annex at end.
Further illustrate below in conjunction with specific embodiment and its accompanying drawing.
Specific embodiment
Fig. 1, Fig. 2 and Fig. 3 are the top view and horizontal stroke of the intravascular stent system with seal wire reserved passageway protection device respectively
Sectional drawing and vertical section figure.Seal wire of the seal wire reserved passageway filler 8 (dash area in Fig. 1) between support and sacculus is pre-
Stay in passage 6.The protection that a filler 8 is placed in reserved passageway 6 between support and sacculus as seal wire reserved passageway is filled
Put, filler 8 runs through seal wire reserved passageway mounting system 1, the arc with prototype metallic support 3 in the section of filler 8
Edge is fitted, and another side is fitted with sacculus.The filler 8 helps be formed between support and sacculus in the manufacturing process of support
Reserved passageway, and it is deformed or bent to protect passage to be not compressed, filler 8 can be extracted out in the presence of external force or be released and lead
Silk reserved passageway 6.In figure, seal wire reserved passageway mounting system 1 is in contraction state, the sacculus 2 using front it in contraction-like
State, 2 one layer of cancellous metallic support 3 of outer nesting of sacculus, has conduit 4 to pass through at 2 center of sacculus, and 4 center of conduit has seal wire to lead to
Road 5, by wherein, the side that contact with filler 8 in metallic support 3 is provided with to be easy to seal wire 30 to pass through seal wire and reserve to lead to seal wire 20
The circular hole 7 in road 6.Fig. 3 a are the variation types of Fig. 1,2,3, filler can be longer than seal wire reserved passageway, wherein one end or
It is band seal wire that two ends protrusion is easy to filler to be drawn out or release 6. Fig. 4 of seal wire reserved passageway outside seal wire reserved passageway, so
The vertical section figure of the operating diagram of the intravascular stent system of reserved passageway protection device.Reserved between support 3 and sacculus 4
Protection device of the filler 8 as seal wire reserved passageway is placed in passage 6.State of the filler 8 in 2 folding shrinking of sacculus
Under, protection seal wire reserved passageway 6 is supported, seal wire 30 acts on filler 8 by hole 7 and releases filler 8, while also may be used
To extract filler 8 under the thrust of seal wire 30 with the collective effect of the pulling force that extracts out from seal wire reserved passageway 6 out, thus
Can avoid the sharp keen head end and wire guide 30 of wire guide 30 during pass through seal wire reserved passageway 6 to sacculus
And metallic support causes to damage, seal wire 30 smoothly runs through reserved passageway 6.Seal wire 20 is whole seal wire reserved passageway mounting system 1
Import vascular lesion position.
Fig. 5 is the vertical section figure of the intravascular stent system that seal wire reserved passageway and channel protection device all have no through.Such as
Shown in figure, filler 8 can only be pushed out from one end of mounting system or pull out, and seal wire is penetrated from hole 7, act on filler 8.
When using, the hole 7 for needing to pass through is chosen, the oblique patchhole 7 of seal wire simultaneously acts on filler 8, produce pushing away for a radial direction
Filler 8 is released silk guide passage 6 by power, or can also be coordinated and pulled out filler 8.
Fig. 6 is the vertical section figure of the intravascular stent system with plug-in unit.Position in seal wire reserved passageway mounting system mesopore 7
Put, filler 8 there can be a groove 10 to be combined with plug-in unit 9, and plug-in unit 9 is further inserted into corresponding groove after being inserted into 7
10, it is easy to the making in hole 7, meanwhile, protect hole 7 not deform because external force is acted on.
The vertical section figure of intravascular stent system operating diagrams of the Fig. 7 and Fig. 8 with plug-in unit.First by plug-in unit 9 from corresponding
Take out in hole 7, filler 8 obtains state that can be movable in reserved passageway 6, seal wire 30 from oblique cutting in a hole and is acted on
On filler 8, filler obtains the thrust of a radial direction under the active force of seal wire 30, therefore thrust, and filler 8 is pushed out pre-
Stay passage 6 extract filler 8 out in the other end, until filler 8 is together with 30 whole abjection reserved passageway 6 of seal wire, then
The also smoothly insertion of seal wire 20.
Fig. 9 and Figure 10 are the vertical section figures with the filler of silk guide passage and head end with annex.Seal wire from hole 7 and can be filled out
Pass through in the groove 10 and silk guide passage 11 that fill thing, be drawn out seal wire after insertion together with the annex 12 at filler end together and reserve
Passage.Embodiment of above is only that one kind of this patent is preferred, according to present disclosure, can also obtain many duplicating in this
The scheme of patent：Such as filler 8 can be any material and any shape as needed, and its size can differ.Filler 8
Seal wire reserved passageway 6 can be drawn out, it is also possible to be pushed out seal wire reserved passageway 6.Filler 8 can be released seal wire by seal wire 30
Reserved passageway 6, also can be released seal wire reserved passageway 6 by other class seal wire objects.
Claims (11)
1. a kind of intravascular stent system, including sacculus, the conduit of balloon center and the metallic support being embedded in outside sacculus, its feature exists
In being provided with seal wire reserved passageway protection device between sacculus and outer layer metal support, to form support and ball including being used to help
Reserved passageway between capsule simultaneously can move the filler that extracts out or release from reserved passageway.
2. mounting system as claimed in claim 1, it is characterised in that it is pre- that the filler of described protection device is filled in needs
In the silk guide passage for staying, filler is contacted with outer layer metal support and internal layer sacculus, parallel with centre pipe, axially through or portion
Divide and run through mounting system.
3. mounting system as claimed in claim 2, it is characterised in that the cross sectional shape of the filler of described protection device is
The shape that side is fitted with outer layer metal support cambered surface.
4. mounting system as claimed in claim 2, it is characterised in that the filler of described protection device is single one layer or more
Material constitute, double-deck or multilayer material is the structure for being nested into concentric tubular.
5. the mounting system as described in any one in claim 1-4, it is characterised in that described protection device and metal
The side that bridge joint is touched is provided with some holes for facilitating seal wire to pass.
6. mounting system as claimed in claim 5, it is characterised in that the filler axial length of described protection device is longer than
Seal wire reserved passageway, wherein one or both ends protrusion is outside seal wire reserved passageway.
7. mounting system as claimed in claim 5, it is characterised in that filler one end of described protection device or two end bands
There is the accessory structure for being easy to filler to pull out or release, the accessory structure is thread.
8. mounting system as claimed in claim 5, it is characterised in that have axial passage, passage inside described filler
Communicate with groove and hole, passage has opening at one end axially through filler or only.
9. mounting system as claimed in claim 5, it is characterised in that be provided with the described hole for facilitating seal wire to pass removable
Plug-in unit is unloaded, plug-in unit is consistent with the hole shape for facilitating seal wire to pass, and cross-sectional sizes are slightly less than the hole for facilitating seal wire to pass and cause plug-in unit
Can install in the way to insert.
10. mounting system as claimed in claim 9, it is characterised in that described filler is provided with recessed with what plug-in unit coordinated
Groove, plug-in unit are connected in the way of plug-in unit with filler.
11. mounting systems as claimed in claim 10, it is characterised in that the seal wire that described filler is arranged as required to is pre-
Number of channels is stayed, two or more pieces is set, perforate corresponding with filler accordingly is also multiple with plug-in unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510277692.9A CN104840283B (en) | 2015-05-27 | 2015-05-27 | A kind of intravascular stent system with seal wire reserved passageway protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510277692.9A CN104840283B (en) | 2015-05-27 | 2015-05-27 | A kind of intravascular stent system with seal wire reserved passageway protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104840283A CN104840283A (en) | 2015-08-19 |
| CN104840283B true CN104840283B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510277692.9A Active CN104840283B (en) | 2015-05-27 | 2015-05-27 | A kind of intravascular stent system with seal wire reserved passageway protection device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440822A (en) * | 2017-09-14 | 2017-12-08 | 唐利龙 | A kind of intravascular stent system and application method |
| CN108542552A (en) * | 2018-03-08 | 2018-09-18 | 广西中医药大学第附属医院 | Intravascular stent and its application method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4932959A (en) * | 1988-12-01 | 1990-06-12 | Advanced Cardiovascular Systems, Inc. | Vascular catheter with releasably secured guidewire |
| CA2113684A1 (en) * | 1993-01-19 | 1994-07-20 | Robert L. Wilcox | Single-lumen over-the-wire iab catheter |
| US6038484A (en) * | 1997-09-02 | 2000-03-14 | Advanced Bionics Corporation | Cochlear electrode with modiolar-hugging system including a flexible positioner |
| GB2465334B (en) * | 2008-10-31 | 2013-02-13 | Daniela Andrich | Catheterisation device |
| US9301863B2 (en) * | 2009-03-10 | 2016-04-05 | Medtronic Vascular, Inc. | Prosthesis delivery apparatus and methods |
| CN101569570A (en) * | 2009-06-15 | 2009-11-04 | 赵林 | Balloon expandable stent with side-hole channel |
| CN201775859U (en) * | 2010-09-10 | 2011-03-30 | 张烨 | Catheter |
| CN203829102U (en) * | 2013-10-09 | 2014-09-17 | 唐利龙 | Support for preformed guide-wire channel |
| CN103876873B (en) * | 2014-03-31 | 2017-01-25 | 南京微创医学科技股份有限公司 | More reliable fast exchanging imbedding device |
| CN103948454B (en) * | 2014-04-30 | 2016-02-10 | 四川大学华西医院 | The overall intravascular stent of branch's controllable type and implanting device thereof |
| CN205073076U (en) * | 2015-05-27 | 2016-03-09 | 唐利龙 | Take seal wire reserve way protection device's vascular mounting system |
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2015
- 2015-05-27 CN CN201510277692.9A patent/CN104840283B/en active Active
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