CN205672114U - One repairs support and the stent delivery system of aorta vessel interlayer - Google Patents
One repairs support and the stent delivery system of aorta vessel interlayer Download PDFInfo
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- CN205672114U CN205672114U CN201620228180.3U CN201620228180U CN205672114U CN 205672114 U CN205672114 U CN 205672114U CN 201620228180 U CN201620228180 U CN 201620228180U CN 205672114 U CN205672114 U CN 205672114U
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- China
- Prior art keywords
- support
- overlay film
- ring
- interlayer
- aorta vessel
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Abstract
The utility model relates to medical instruments field, disclose a kind of one and repair the support of aorta vessel interlayer, described support is in its natural state in a tubular form, described support includes the epimere support being sequentially connected with, stage casing support and hypomere support, described epimere support is for supporting circulus, described stage casing support is overlay film, described hypomere support is the fenestral fabric of braiding, the ring-type structural joint of described support is combined in the near-end of described overlay film all to prop up described overlay film proximal edge, the far-end that described fenestral fabric is sewn to described overlay film is complete with the remote edge protecting described overlay film, described fenestral fabric exposes the part of described overlay film for repairing aorta vessel interlayer far-end breach, described overlay film is axially sewed with one or more becket along it；Also disclose a kind of stent delivery system.Support of the present utility model both can block near-end interlayer cut, can treat again far-end breach and realize safe Mouding function.
Description
Technical field
The utility model relates to medical instruments field, particularly relates to a kind of for treating, rebuilding human aortic blood vessel,
The one of closure aneurysm and interlayer cut repairs the support of aorta vessel interlayer, and stent delivery system.
Background technology
Aneurysm of thoracic aorta/interlayer disease (Thoracic aortic aneurysm, TAA) is the most catastrophic disease of sustainer
One of becoming, dissection of aorta and true aneurysm are entirely different types of disease, and dissection of aorta is broken due to aorta wall
Bad, far-end does not has normal anchorage zone blood vessel, and the interlayer being typically due to far-end causes true chamber narrow and small, and false chamber progressively expands.At present
Commercialized product therapeutic purpose is still that closure near-end breach, has not focused on the false chamber of whole dissection of aorta, is therefore one
Incomplete treatment, is also infeasible with near-end breach equally row endovascular graft for interlayer far-end breach, existing market
On import or homemade goods design all cannot process far-end breach.
Dissection of aorta, neither true aneurysm, is not false aneurysm, but because a variety of causes causes intra-arterial
Film and the damage in middle level, blood, along the inner membrance of tear, forms hemotoncus, and is two-layer by aorta wall stripping, at blood flow in middle level
Impact under, released part gradually extends expansion to sustainer proximal part and distal end, forms the middle level separation property of different range
Expanding, referred to as dissection of aorta or dissection of aorta separates.Dissection of aorta is also common a kind of specific type aorta pectoralis
Knurl, position and spreading range that medically dissecting aneurysm of aorta inner membrance is torn by Stanford parting are divided into Stanford A
With Type B two class.China is in the majority with Stanford Type B patient, and Stanford B diseased region is that aorta wall stripping originates in a left side
The far-end of subclavian artery opening, and extend to certain limit to distal aorta.But most patient's interlayer pathologies extend to diaphragm
Under flesh, involve abdominal aorta, even common iliac artery.Using recovery technique in aorta pectoralis lumen of artery treatment clinically at present more
(TEVAR), i.e. implanting overlay film frame at aorta pectoralis intimal tear, closure cut rebuilds tube chamber, designed by both at home and abroad
Support be full overlay film frame, it is adaptable to block true property aneurysm of thoracic aorta, overlay film mistake for Human Thoracic Aortic Dissection cut
The long possible closure important branch blood vessel such as intercostal arteries, the arteria renalis, has the risk causing paralysis.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model is how to provide one both can block near-end interlayer cut, can treat again
Far-end breach and the support realizing safe Mouding function.
(2) technical scheme
In order to solve above-mentioned technical problem, the utility model provides a kind of one to repair the support of aorta vessel interlayer,
In its natural state in a tubular form, described support includes epimere support, stage casing support and the hypomere support being sequentially connected with to described support,
Described epimere support is for supporting circulus, and described stage casing support is overlay film, and described hypomere support is the fenestral fabric of braiding,
Described support ring-type structural joint and be combined in the near-end of described overlay film all to prop up described overlay film proximal edge, described latticed knot
The far-end that structure is sewn to described overlay film is complete with the remote edge protecting described overlay film, and described fenestral fabric exposes described overlay film
Part be used for repairing aorta vessel interlayer far-end breach, described overlay film is axially sewed with one or more becket along it.
Wherein, described support circulus includes support ring body, and described support ring body is by multiple concavo-convex alternate recessed
Bulge loop is formed by stacking, and the recess between adjacent described concavo-convex ring docks successively with convex place.
Wherein, described support ring body is formed by 2-20 concavo-convex ring superposition braiding.
Wherein, described support circulus also includes the multiple locating rings being located at described support ring body upper end.
Wherein, described locating ring is crest shape, and the described concavo-convex ring of described support ring body upper end is located at by described locating ring
Recess or convex place.
Wherein, when described becket is multiple, multiple described beckets interval is arranged, spaced apart for 0-10 milli
Rice；Described becket is the specially-shaped annular that crest is sequentially connected with trough.
Wherein, described becket is sewn to inner circumferential or the periphery of described overlay film.
Wherein, described fenestral fabric includes multiple described concavo-convex ring, the recess between adjacent described concavo-convex ring and convex place
Dock successively, the tubular structure of hollow out is integrally formed.
Wherein, described support tapered tubulose or straight tube-like in its natural state, when for tapered tubular, by its near-end to
Distal diameter is from large to small.
The utility model also provides a kind of stent delivery system, including sheath and the one reparation described in technique scheme
The support of aorta vessel interlayer, described one is repaired propping up of aorta vessel interlayer and is set up in described sheath, by by institute
Aortic arch delivered to by the support stating one reparation aorta vessel interlayer, retreats the described one of described sheath release and repairs actively
The support of arteries and veins vascular dissection, arterial wall interlayer cut is effectively blocked, repairs and rebuild tube chamber by overlay film part.
(3) beneficial effect
Compared with prior art, the utility model has the advantage that
A kind of one that the utility model provides repairs the support of aorta vessel interlayer, and described support is in its natural state
In a tubular form, described support includes epimere support, stage casing support and the hypomere support being sequentially connected with, and described epimere support is support ring
Shape structure, described stage casing support is overlay film, and described hypomere support is the fenestral fabric of braiding, by supporting ring-type knot by described
Structure is sewn to the near-end of described overlay film all to prop up described overlay film proximal edge, described fenestral fabric be sewn to described in cover
The far-end of film is complete with the remote edge protecting described overlay film, and described fenestral fabric exposes the part of described overlay film for repairing
Aorta vessel interlayer far-end breach, and it is axially sewed with one or more becket along it at described overlay film, thus at support
Enter aortic arch when, side becket can partial stack, relative opposite side becket gap launch, it is achieved bracket bent,
And rack inner wall struts be close to vascular wall completely, it is achieved closure interlayer cut function；In addition, hypomere support exposes the portion of overlay film
It is divided into naked structure, thus without blocking intercostal arteries and the arteria renalis, it is possible to effective Mouding support, prevent support displacement.
Brief description
Fig. 1 is the overall structure schematic diagram of the support that a kind of one of the utility model repairs aorta vessel interlayer；
Fig. 2 is the stenter to implant aortic arch state diagram that a kind of one of the utility model repairs aorta vessel interlayer；
Fig. 3 is the structural representation of the epimere support of the support that a kind of one of the utility model repairs aorta vessel interlayer
Figure；
Fig. 4 is the structure of film schematic diagram that a kind of one of the utility model repairs in the support of aorta vessel interlayer；
Fig. 5 is the structural representation of the becket that a kind of one of the utility model repairs in the support of aorta vessel interlayer
Figure；
Fig. 6 is the structural representation of the pedestal upper end that a kind of one of the utility model repairs aorta vessel interlayer；
Fig. 7 is the structural representation of the pedestal lower end that a kind of one of the utility model repairs aorta vessel interlayer；
In figure: 1: epimere support；2: stage casing support；3: hypomere support；4: concavo-convex ring；5: locating ring；6: overlay film；61: cover
Film near-end；62: overlay film far-end；7: becket；71: crest；72: trough；8: fenestral fabric.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Below
Example is used for illustrating the utility model, but is not limited to scope of the present utility model.
In of the present utility model description, it should be noted that term " " center ", " longitudinally ", " laterally ", " on ", D score,
The orientation of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relationship are
It based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplifies description, rather than instruction
Hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be not therefore understood that
For to restriction of the present utility model.
Additionally, in of the present utility model description, unless otherwise stated, " multiple ", " many ", " many groups " are meant that two
Individual or two or more.
As it is shown in figure 1, repair the support of aorta vessel interlayer, described support for a kind of one that the utility model provides
In its natural state in a tubular form, described support includes epimere support the 1st, stage casing support 2 and the hypomere support 3 being sequentially connected with, described
Epimere support 1 is for supporting circulus, and described stage casing support 2 is overlay film 6, the fenestral fabric that described hypomere support 3 is braiding
8, as shown in Figure 6, the ring-type structural joint of described support is combined in the near-end of described overlay film 6 all to support described overlay film near-end 61 edge
Rise and be close to the anti-Hemostatic Oral Liquid side leakage of bow portion vascular wall, as it is shown in fig. 7, described fenestral fabric 8 is sewn to the far-end of described overlay film 6
Completely not rupturing with described overlay film far-end 62 edge of protection, described fenestral fabric 8 exposes the part of described overlay film 6 for repairing
Aorta vessel interlayer far-end breach, described overlay film 6 is axially sewed with one or more becket 7 along it, specifically by 1-20
Becket 7 longitudinal arrangement, ring is equal with ring spacing, is close to periphery or the inner circumferential of overlay film 6.Select thickness appointing at 30-220 micron
The overlay film 6 of one thickness, material is PET (tPolyester Textured Yarn fabric), is woven into Taper Pipe shape or straight tube-like according to required diameter, or adopts
With being stitched into required form and size after planar film cutting, hot iron receives limit；Epimere support the 1st, stage casing support the 2nd, hypomere support
3rd, becket 7 and overlay film 6 binding site can use the silk suture of material identical with overlay film 6.
Specifically, described support tapered tubulose or straight tube-like in its natural state, when for tapered tubular, by its near-end
To distal diameter from large to small, proximal diameter is maximum, and distal diameter is minimum.
As it is shown on figure 3, described support circulus includes support ring body, described support ring body is by multiple concavo-convex alternate
Concavo-convex ring 4 be formed by stacking along the length direction of support ring body, the recess between adjacent described concavo-convex ring 4 is right successively with convex place
Connecing, specifically, described support ring body is formed by 2-20 concavo-convex ring 4 superposition braiding, between adjacent two concavo-convex ring 4 superpositions are formed
Every being provided with the ring-type of latticed opening.Described concavo-convex ring 4 selects diameter the identical doctor of the arbitrary diameter of 0.01-0.5 millimeter scope
Form with braidings such as wire, titanium-nickel wire, tantalum wires, make equal span according to support maximum gauge, effectively protection overlay film near-end
61 completely and are affixed on vascular wall completely, stop blood side leakage.
Wherein, described support circulus can also include the multiple locating rings 5 being located at described support ring body upper end, institute
Stating locating ring 5 in crest shape, crest height of wave 1-30 millimeter, the concavo-convex ring 4 of support ring body upper end is specifically located at by described locating ring 5
Recess or convex place；Described locating ring 5 is for realizing the rear release function of mount proximal end, according to concrete operation needs, it is also possible to no
Described locating ring 5 is set.
Wherein, when described becket 7 is for when multiple, multiple described beckets 7 interval is arranged, spaced apart for 0-10 milli
Rice, becket 7 inwall is coated with overlay film 6, and becket 7 combines with overlay film 6 sewing.
As it is shown in figure 5, described becket 7 in crest 71 specially-shaped annular being sequentially connected with trough 72, adjacent metal ring 7
Crest 71 is consistent with crest 71 direction, and this design can realize that overlay film 6 is propped up completely, and arbitrarily angled bending and inner chamber keep diameter not
Become without subsiding, the reconstruction of strong and aortic arch blood vessel.Becket 7 selects diameter at the arbitrary diameter of 0.01-0.5 millimeter scope
Identical medical metal wire, titanium-nickel wire, tantalum wire etc. are made, and according to diameter taper or the straight tube diameter of overlay film 6, make angle, height
Spending the identical becket 7 of identical crest the 71st, trough 72 quantity, the silk junction tubing of equal material, pipe internal diameter is more than
Silk external diameter 0.01 millimeter, the combination completing silk through pressing welding is fixed.
As shown in Figure 4, described fenestral fabric 8 includes multiple described concavo-convex ring 4, recessed between adjacent described concavo-convex ring 4
Place docks successively with convex place, and the tubular structure of hollow out is integrally formed.Support interlude overlay film 6, can be used for treatment vascular dissection and breaks
Mouthful；The overall whole overlay films 6 of support can be used for treating true aneurysm.Concavo-convex wide 1-15 millimeter on concavo-convex ring 4, high 2-20 milli
Rice, can make 2-20 according to support maximum gauge individual concavo-convex, and length is by 2-50 concavo-convex ring 4 superposition.Hypomere support 3 is naked
Frame, effectively repairs dissection of aorta far-end breach, prevents support displacement, and do not block the important branch such as intercostal arteries and the arteria renalis
Blood vessel.
The course of work of the present utility model is: as in figure 2 it is shown, support discharges at aortic arch, the positioning of epimere support 1
Ring 5 can be used for release positioning after support, and overlay film near-end 61 edge can all be propped up and be close to bow portion blood vessel by the concavo-convex ring 4 of superposition
Wall anti-Hemostatic Oral Liquid side leakage；The becket 7 of stage casing support is equal with ring spacing, and being close to becket 7 inwall is overlay film 6, enters at support
When entering aortic arch, side becket 7 can partial stack, relative opposite side becket 7 gap is launched, it is achieved support is curved
Song, and inwall struts be close to vascular wall completely, it is achieved closure interlayer cut function；Hypomere support 3 and the junction of overlay film 6,
Being crossed 2-3 concavo-convex ring 4 by overlay film far-end 62 periphery cover, overlay film far-end 62 is propped up by concavo-convex ring 4 completely, protects overlay film far-end 62 limit
Edge does not completely rupture, and the part that hypomere support 3 does not has overlay film 6 to cover is braiding bare bracket, is in aorta pectoralis bow fall straight section portion
Position, effectively repairs dissection of aorta far-end breach, owing to support hypomere is naked structure, thus without blocking intercostal arteries and kidney
Artery, preferably can effective Mouding support, prevent support displacement.
The utility model also provides a kind of stent delivery system, including sheath and the one reparation described in technique scheme
The support of aorta vessel interlayer, the support that described one repairs aorta vessel interlayer is held or manual traction through instrument longitudinally pressure
Support pressure is reduced to minimum diameter be located in described sheath, is delivered to by described one is repaired the support of aorta vessel interlayer
Aortic arch, slowly retreats the described support of described sheath release, and arterial wall interlayer cut is effectively blocked, repaiies by overlay film 6 part
Tube chamber is rebuild in redoubling, and aortic flow passes through from rack bore, no longer the false chamber of impact blood vessel.
As can be seen from the above embodiments, the utility model both can block near-end interlayer cut, can treat again far-end breach
And realize safe Mouding function.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in the utility model
Protection domain within.
Claims (10)
1. one kind one repair aorta vessel interlayer support, it is characterised in that described support in its natural state in a tubular form,
Described support includes epimere support, stage casing support and the hypomere support being sequentially connected with, and described epimere support is support circulus,
Described stage casing support is overlay film, and described hypomere support is the fenestral fabric of braiding, and the ring-type structural joint of described support is combined in described
The near-end of overlay film is all to prop up described overlay film proximal edge, and described fenestral fabric is sewn to the far-end of described overlay film to protect
The remote edge protecting described overlay film is complete, and described fenestral fabric exposes the part of described overlay film for repairing aortic blood pipe clamp
Layer far-end breach, described overlay film is axially sewed with one or more becket along it.
2. one according to claim 1 repairs the support of aorta vessel interlayer, it is characterised in that described support is ring-type
Structure includes support ring body, and described support ring body is formed by stacking by multiple concavo-convex alternate concavo-convex rings, adjacent described concavo-convex
Recess between ring docks successively with convex place.
3. one according to claim 2 repairs the support of aorta vessel interlayer, it is characterised in that described support ring is originally
Body is formed by 2-20 concavo-convex ring superposition braiding.
4. one according to claim 3 repairs the support of aorta vessel interlayer, it is characterised in that described support is ring-type
Structure also includes the multiple locating rings being located at described support ring body upper end.
5. one according to claim 4 repair aorta vessel interlayer support, it is characterised in that described locating ring in
Crest shape, described locating ring is located at the recess of the described concavo-convex ring of described support ring body upper end or convex place.
6. one according to claim 1 repairs the support of aorta vessel interlayer, it is characterised in that when described becket
For when multiple, multiple described beckets interval is arranged, spaced apart for 0-10 millimeter；Described becket is that crest depends on trough
The specially-shaped annular of secondary connection.
7. one according to claim 1 repairs the support of aorta vessel interlayer, it is characterised in that described metal circumferential weld
It is combined in inner circumferential or the periphery of described overlay film.
8. one according to claim 2 repairs the support of aorta vessel interlayer, it is characterised in that described latticed
Structure includes multiple described concavo-convex ring, and the recess between adjacent described concavo-convex ring docks successively with convex place, and hollow out is integrally formed
Tubular structure.
9. one according to claim 1 repairs the support of aorta vessel interlayer, it is characterised in that described one reparation
The support of aorta vessel interlayer tapered tubulose or straight tube-like in its natural state, when for tapered tubular, by its near-end to
Distal diameter is from large to small.
10. a stent delivery system, including sheath, it is characterised in that also include as described in any one of claim 1-9
Body repairs the support of aorta vessel interlayer, and described one is repaired propping up of aorta vessel interlayer and is set up in described sheath, logical
Cross and described one is repaired the support of aorta vessel interlayer deliver to aortic arch, retreat the release of described sheath and described integrally repair
The support of multiple aorta vessel interlayer, arterial wall interlayer cut is effectively blocked, repairs and rebuild tube chamber by overlay film part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228180.3U CN205672114U (en) | 2016-03-23 | 2016-03-23 | One repairs support and the stent delivery system of aorta vessel interlayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228180.3U CN205672114U (en) | 2016-03-23 | 2016-03-23 | One repairs support and the stent delivery system of aorta vessel interlayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205672114U true CN205672114U (en) | 2016-11-09 |
Family
ID=57438275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620228180.3U Withdrawn - After Issue CN205672114U (en) | 2016-03-23 | 2016-03-23 | One repairs support and the stent delivery system of aorta vessel interlayer |
Country Status (1)
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| CN (1) | CN205672114U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105853033A (en) * | 2016-03-23 | 2016-08-17 | 北京微创介入医疗装备有限公司 | Integrated stent for repairing aortic blood vessel dissection and stent conveying system |
| CN107296668A (en) * | 2017-08-01 | 2017-10-27 | 有研医疗器械（北京）有限公司 | A kind of non-film-coated vascular support and its method for releasing |
| WO2019128703A1 (en) * | 2017-12-27 | 2019-07-04 | 先健科技(深圳)有限公司 | Covered stent |
-
2016
- 2016-03-23 CN CN201620228180.3U patent/CN205672114U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105853033A (en) * | 2016-03-23 | 2016-08-17 | 北京微创介入医疗装备有限公司 | Integrated stent for repairing aortic blood vessel dissection and stent conveying system |
| CN105853033B (en) * | 2016-03-23 | 2017-10-27 | 北京微创介入医疗装备有限公司 | One repairs the support and stent delivery system of aorta vessel interlayer |
| CN107296668A (en) * | 2017-08-01 | 2017-10-27 | 有研医疗器械（北京）有限公司 | A kind of non-film-coated vascular support and its method for releasing |
| WO2019128703A1 (en) * | 2017-12-27 | 2019-07-04 | 先健科技(深圳)有限公司 | Covered stent |
| US11471265B2 (en) | 2017-12-27 | 2022-10-18 | Lifetech Scientific (Shenzhen) Co. Ltd. | Covered stent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161109 Effective date of abandoning: 20171027 |