CN105853033B - One repairs the support and stent delivery system of aorta vessel interlayer - Google Patents
One repairs the support and stent delivery system of aorta vessel interlayer Download PDFInfo
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- CN105853033B CN105853033B CN201610168897.8A CN201610168897A CN105853033B CN 105853033 B CN105853033 B CN 105853033B CN 201610168897 A CN201610168897 A CN 201610168897A CN 105853033 B CN105853033 B CN 105853033B
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- support
- overlay film
- repairs
- interlayer
- aorta vessel
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- 210000000709 aorta Anatomy 0.000 title claims abstract description 55
- 239000011229 interlayer Substances 0.000 title claims abstract description 52
- 230000008439 repair process Effects 0.000 title claims abstract description 38
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 238000009954 braiding Methods 0.000 claims abstract description 10
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 9
- 210000002376 aorta thoracic Anatomy 0.000 claims description 10
- 239000008280 blood Substances 0.000 claims description 5
- 210000004369 blood Anatomy 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 51
- 238000002224 dissection Methods 0.000 description 9
- 210000001367 artery Anatomy 0.000 description 7
- 206010002329 Aneurysm Diseases 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 4
- 230000003601 intercostal effect Effects 0.000 description 4
- 230000002792 vascular Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 2
- 230000001194 anti-hemostatic effect Effects 0.000 description 2
- 206010002895 aortic dissection Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 208000002251 Dissecting Aneurysm Diseases 0.000 description 1
- 208000009087 False Aneurysm Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 201000008982 Thoracic Aortic Aneurysm Diseases 0.000 description 1
- 206010070693 Vascular dissection Diseases 0.000 description 1
- 206010048975 Vascular pseudoaneurysm Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000000702 aorta abdominal Anatomy 0.000 description 1
- 208000007474 aortic aneurysm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000003457 familial thoracic 1 aortic aneurysm Diseases 0.000 description 1
- 210000003090 iliac artery Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001361 intraarterial administration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 210000003270 subclavian artery Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- A61F2/91—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes
- A61F2/915—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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
-
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
-
- 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
- A61F2002/823—Stents, different from stent-grafts, adapted to cover an aneurysm
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Prostheses (AREA)
Abstract
The present embodiments relate to medical instruments field, disclose the support that a kind of one repairs aorta vessel interlayer, the support is in its natural state in a tubular form, the support includes the epimere support being sequentially connected, stage casing support and hypomere support, the epimere support is support cyclic structure, the stage casing support is overlay film, the hypomere support is the fenestral fabric of braiding, the support ring-type structural joint closes in the near-end of the overlay film all to prop up the overlay film proximal edge, the fenestral fabric is sewn to the distal end of the overlay film to protect the remote edge of the overlay film complete, the part that the fenestral fabric exposes the overlay film is used to repair aorta vessel interlayer distal end breach, the overlay film is sewed with one or more beckets along its axial direction；Also disclose a kind of stent delivery system.The support of the embodiment of the present invention can both block near-end interlayer cut, and distal end breach can be treated again and safe Mouding function is realized.
Description
Technical field
It is more particularly to a kind of to be used to treat, rebuild human aortic blood the present embodiments relate to medical instruments field
The one of pipe, 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 become, dissection of aorta and true aneurysm are entirely different types of disease, and dissection of aorta is broken due to aorta wall
Bad, distally without normal anchorage zone blood vessel, the interlayer for being typically due to distal end causes true chamber narrow and small, and false chamber progressively expands.At present
Commercialized product therapeutic purpose is still closure near-end breach, has not focused on the false chamber of whole dissection of aorta, therefore be one
Incomplete treatment, is also infeasible, existing market with near-end breach equally row endovascular graft for interlayer distal end breach
On import or homemade goodses design can not all handle distal end breach.
Dissection of aorta is neither true aneurysm, nor false aneurysm, but because a variety of causes causes intra-arterial
Film and the damage in middle level, inner membrance of the blood along tear form hemotoncus in middle level, and it is two layers that aorta wall, which is peeled off, in blood flow
Impact under, released part gradually to sustainer proximal part and distal end extension expand, formed different range middle level separation property
Expansion, referred to as dissection of aorta or dissection of aorta separation.Dissection of aorta is also a kind of common specific type aorta pectoralis
Knurl, the position and spreading range that medically Stanford partings tear dissecting aneurysm of aorta inner membrance is divided into Stanford A
With the class of Type B two.China is in the majority with Stanford Type B patients, and Stanford B diseased regions are that aorta wall stripping originates in a left side
The distal end of subclavian artery opening, and extend to certain limit to distal aorta.But most patient's interlayer lesions extend to diaphragm
Under flesh, involve abdominal aorta, or even common iliac artery.At present using recovery technique in aorta pectoralis lumen of artery more than treatment clinically
(TEVAR) overlay film frame, i.e., is implanted at aorta pectoralis intimal tear, closure cut rebuilds tube chamber, due to designed both at home and abroad
Support be full overlay film frame, it is adaptable to block true property aneurysm of thoracic aorta, the overlay film mistake for Human Thoracic Aortic Dissection cut
Length may block the important branch blood vessel such as intercostal arteries, arteria renalis, there is the risk for causing paralysis.
Inventive embodiments content
(1) technical problem to be solved
The technical problem to be solved of the embodiment of the present invention is how to provide one kind can both block near-end interlayer cut, can be controlled again
Treat distal end breach and realize the support of safe Mouding function.
(2) technical scheme
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides the branch that a kind of one repairs aorta vessel interlayer
Frame, in its natural state in a tubular form, the support includes epimere support, stage casing support and the hypomere branch being sequentially connected to the support
Frame, the epimere support is support cyclic structure, and the stage casing support is overlay film, and the hypomere support is the latticed knot of braiding
Structure, the support ring-type structural joint closes the near-end in the overlay film so that the overlay film proximal edge all to be propped up, the grid
Shape structure is sewn to the distal end of the overlay film to protect the remote edge of the overlay film complete, and the fenestral fabric exposes described
The part of overlay film is used to repair aorta vessel interlayer distal end breach, and the overlay film is sewed with one or more metals along its axial direction
Ring.
Wherein, the support cyclic structure includes support ring body, and the support ring body is by alternate recessed of multiple bumps
Bulge loop is formed by stacking, and the recess between the adjacent concavo-convex ring is docked successively with convex.
Wherein, the support ring body is formed by 2-20 concavo-convex ring superposition braiding.
Wherein, the support cyclic structure also includes multiple locating rings located at the support ring body upper end.
Wherein, the locating ring is in crest shape, the concavo-convex ring of the locating ring located at the support ring body upper end
Recess or convex.
Wherein, when the becket is multiple, multiple beckets are arranged at intervals, and the distance at interval is 0-10 millis
Rice；The specially-shaped annular that the becket is sequentially connected in crest and trough.
Wherein, the becket is sewn to inner circumferential or the periphery of the overlay film.
Wherein, the fenestral fabric includes the recess between multiple concavo-convex rings, the adjacent concavo-convex ring and convex
Dock successively, the tubular structure of hollow out is integrally formed.
Wherein, the 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 embodiment of the present invention also provides a kind of stent delivery system, including sheath and integrally repairing described in above-mentioned technical proposal
The support of aorta vessel interlayer is answered, the branch that the one repairs aorta vessel interlayer is set up in the sheath, by inciting somebody to action
The support that the one repairs aorta vessel interlayer is sent to aortic arch, retreats the sheath release one and repairs master
The support of arteries interlayer, overlay film part effectively blocks arterial wall interlayer cut, repairs and rebuilds tube chamber.
(3) beneficial effect
Compared with prior art, the embodiment of the present invention has advantages below：
A kind of one provided in an embodiment of the present invention repairs the support of aorta vessel interlayer, and the support is in nature
Under in a tubular form, the support includes the epimere support, stage casing support and the hypomere support that are sequentially connected, and the epimere support is support
Cyclic structure, the stage casing support is overlay film, the hypomere support for braiding fenestral fabric, by by the support ring-type
Structure is sewn to the near-end of the overlay film so that the overlay film proximal edge all to be propped up, and the fenestral fabric is sewn to described
The distal end of overlay film is to protect the remote edge of the overlay film complete, and the part that the fenestral fabric exposes the overlay film is used to repair
Multiple aorta vessel interlayer distal end breach, and one or more beckets are sewed with along its axial direction in the overlay film, so that in branch
When frame enters aortic arch, side becket can partial stack, relative opposite side metal czermak space deploys, and realizes that support is curved
Song, and rack inner wall struts be close to vascular wall completely, realizes closure interlayer cut function；In addition, hypomere support exposes overlay film
Part be naked structure, therefore intercostal arteries and the arteria renalis will not be blocked, also can effective Mouding support, prevent support displacement.
Brief description of the drawings
Fig. 1 is the overall structure diagram for the support that a kind of one of the embodiment of the present invention repairs aorta vessel interlayer；
Fig. 2 is the stenter to implant aortic arch state that a kind of one of the embodiment of the present invention repairs aorta vessel interlayer
Figure；
Fig. 3 is the structural representation of the epimere support for the support that a kind of one of the embodiment of the present invention repairs aorta vessel interlayer
Figure；
Fig. 4 is the structure of film schematic diagram in a kind of support of one reparation aorta vessel interlayer of the embodiment of the present invention；
Fig. 5 is the structural representation that a kind of one of the embodiment of the present invention repairs the becket in the support of aorta vessel interlayer
Figure；
Fig. 6 is the structural representation for the pedestal upper end that a kind of one of the embodiment of the present invention repairs aorta vessel interlayer；
Fig. 7 is the structural representation for the pedestal lower end that a kind of one of the embodiment of the present invention 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 distal end；7：Becket；71：Crest；72：Trough；8：Fenestral fabric.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the embodiment of the present invention is described in further detail.With
Lower example is used to illustrate the embodiment of the present invention, but is not limited to the scope of the embodiment of the present invention.
In the description of the embodiment of the present invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ",
" under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of the instruction such as " outer " or position close
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of the description embodiment of the present invention and simplifying, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as the limitation to the embodiment of the present invention.
In addition, in the description of the embodiment of the present invention, unless otherwise indicated, " multiple ", " many ", " multigroup " are meant that
Two or more.
As shown in figure 1, repairing the support of aorta vessel interlayer, the branch for a kind of one provided in an embodiment of the present invention
In its natural state in a tubular form, the support includes epimere support 1, stage casing support 2 and the hypomere support 3 being sequentially connected, institute to frame
It is support cyclic structure to state epimere support 1, and the stage casing support 2 is overlay film 6, and the hypomere support 3 is the latticed knot of braiding
Structure 8, as shown in fig. 6, the support ring-type structural joint closes the near-end in the overlay film 6 so that the edge of overlay film near-end 61 is whole
Prop up and be close to the anti-Hemostatic Oral Liquid side leakage of bow portion vascular wall, as shown in fig. 7, the fenestral fabric 8 is sewn to the remote of the overlay film 6
End is to protect 62 edges of the overlay film distal end not rupture completely, and the part that the fenestral fabric 8 exposes the overlay film 6 is used to repair
Multiple aorta vessel interlayer distal end breach, the overlay film 6 is sewed with one or more beckets 7 along its axial direction, specifically by 1-20
The individual longitudinal arrangement of becket 7, ring, away from equal, is close to periphery or the inner circumferential of overlay film 6 with interannular.From thickness at 30-220 microns
The overlay film 6 of any thickness, material is PET (tPolyester Textured Yarn fabric), and Taper Pipe shape or straight tube-like are woven into according to required diameter, or
Shape and size needed for being stitched into after being cut using planar film, hot iron receive side；Epimere support 1, stage casing support 2, hypomere branch
Frame 3, becket 7 can be using the silk sutures with the phase same material of overlay film 6 with the binding site of overlay film 6.
Specifically, the 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 shown in figure 3, the support cyclic structure includes support ring body, the support ring body is alternate by multiple bumps
Concavo-convex ring 4 along support ring body length direction be formed by stacking, the recess and convex between the adjacent concavo-convex ring 4 are right successively
Connect, specifically, the support ring body is superimposed braiding by 2-20 concavo-convex ring 4 and formed, between the two neighboring concavo-convex superposition of ring 4 is formed
Every the ring-type provided with latticed opening.The concavo-convex ring 4 is from diameter in any diameter identical doctor of 0.01-0.5 millimeters of scopes
Formed with the braiding such as wire, titanium-nickel wire, tantalum wire, equal span, effectively protection overlay film near-end are made according to support maximum gauge
61 is complete and be affixed on vascular wall completely, prevents blood side leakage.
Wherein, the support cyclic structure can also include multiple locating rings 5 located at the support ring body upper end, institute
Locating ring 5 is stated in crest shape, 1-30 millimeters of crest height of wave, the locating ring 5 is specifically located at the concavo-convex ring 4 of support ring body upper end
Recess or convex；The locating ring 5 is used for the rear release function for realizing mount proximal end, can also not according to specific operation needs
The locating ring 5 is set.
Wherein, when the becket 7 is multiple, multiple beckets 7 are arranged at intervals, and the distance at interval is 0-10 millis
Rice, the inwall of becket 7 cladding overlay film 6, becket 7 is sewed with overlay film 6 and combined.
As shown in figure 5, the specially-shaped annular that the becket 7 is sequentially connected in crest 71 and trough 72, adjacent metal ring 7
Crest 71 is consistent with the direction of crest 71, and this design can be achieved overlay film 6 and prop up completely, and any angle is bent and inner chamber keeps diameter not
Become without collapsing, effectively with the reconstruction of aortic arch blood vessel.Becket 7 is from diameter in the 0.01-0.5 millimeters of any diameters of scope
Identical medical metal wire, titanium-nickel wire, tantalum wire etc. are made, and according to the diameter taper or straight tube diameter of overlay film 6, make angle, height
Identical crest 71, the quantity identical becket 7 of trough 72 are spent, the tubing of the equal material in silk junction, pipe internal diameter is more than
0.01 millimeter of external diameter of silk, the combination for completing silk through pressing welding is fixed.
As shown in figure 4, the fenestral fabric 8 includes multiple concavo-convex rings 4, it is recessed between the adjacent concavo-convex ring 4
Place is docked successively with convex, and the tubular structure of hollow out is integrally formed.Support interlude overlay film 6, breaks available for treatment vascular dissection
Mouthful；The overall whole overlay films 6 of support can be used for treatment true aneurysm.Concavo-convex 1-15 millimeters of width on concavo-convex ring 4, high 2-20 millis
Rice, can make 2-20 bumps according to support maximum gauge, and length is superimposed by the concavo-convex rings 4 of 2-50.Hypomere support 3 is naked branch
Frame, effectively repairs dissection of aorta distal 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 embodiment of the present invention is：As shown in Fig. 2 support discharges in aortic arch, epimere support 1 is determined
Position ring 5 can be used for discharging positioning after support, and the concavo-convex ring 4 of superposition, which can all prop up at the edge of overlay film near-end 61, is close to bow portion blood
The anti-Hemostatic Oral Liquid side leakage of tube wall；The becket 7 of stage casing support, away from equal, is close to the inwall of becket 7 for overlay film 6, in support with interannular
During into aortic arch, side becket 7 can partial stack, the relative gap of opposite side becket 7 expansion realizes that support is curved
Song, and inwall struts be close to vascular wall completely, realizes closure interlayer cut function；The junction of hypomere support 3 and overlay film 6,
2-3 concavo-convex ring 4 is crossed by 62 periphery covers of overlay film distal end, concavo-convex ring 4 props up overlay film distal end 62 completely, 62 sides of protection overlay film distal end
Edge does not rupture completely, and hypomere support 3 is braiding bare bracket without the part that overlay film 6 is covered, in aorta pectoralis bow drop straight section portion
Position, effectively repairs dissection of aorta distal end breach, because support hypomere is naked structure, therefore will not block intercostal arteries and kidney
Artery, preferably can effective Mouding support, prevent support displacement.
The embodiment of the present invention also provides a kind of stent delivery system, including sheath and integrally repairing described in above-mentioned technical proposal
The support of multiple aorta vessel interlayer, the support that the one repairs aorta vessel interlayer is held through instrument longitudinal direction pressure or led by hand
Draw and support is compressed to minimum diameter in the sheath, sent by the support that the one is repaired into aorta vessel interlayer
To aortic arch, slowly retreat the sheath and discharge the support, the part of overlay film 6 effectively blocks arterial wall interlayer cut,
Repair and rebuild tube chamber, aortic flow passes through from rack bore, no longer impact the false chamber of blood vessel.
As can be seen from the above embodiments, the embodiment of the present invention can both block near-end interlayer cut, and distal end can be treated again and is split
Mouthful and realize safe Mouding function.
The preferred embodiment of the embodiment of the present invention is the foregoing is only, embodiment is not intended to limit the invention, it is all
Within the spirit and principle of the embodiment of the present invention, any modification, equivalent substitution and improvements made etc. should be included in this hair
Within the protection domain of bright embodiment.
Claims (10)
1. a kind of one repairs the support of aorta vessel interlayer, it is characterised in that the support in its natural state in a tubular form,
The support includes epimere support, stage casing support and the hypomere support being sequentially connected, and the epimere support is support cyclic structure,
The stage casing support is overlay film, and the hypomere support is the fenestral fabric of braiding, and the support ring-type structural joint conjunction is described
The near-end of overlay film is so that the overlay film proximal edge all to be propped up, and the fenestral fabric is sewn to the distal end of the overlay film to protect
The remote edge for protecting the overlay film is complete, and the part that the fenestral fabric exposes the overlay film is used to repair aortic blood pipe clamp
Layer distal end breach, the overlay film is sewed with one or more beckets along its axial direction.
2. one according to claim 1 repairs the support of aorta vessel interlayer, it is characterised in that the support ring-type
Structure includes support ring body, and the support ring body is formed by stacking by the alternate concavo-convex ring of multiple bumps, the adjacent bumps
Recess between ring is docked successively with convex.
3. one according to claim 2 repairs the support of aorta vessel interlayer, it is characterised in that the support ring sheet
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 the support ring-type
Structure also includes multiple locating rings located at the support ring body upper end.
5. one according to claim 4 repairs the support of aorta vessel interlayer, it is characterised in that the locating ring is in
Crest shape, recess or convex of the locating ring located at the concavo-convex ring of the support ring body upper end.
6. one according to claim 1 repairs the support of aorta vessel interlayer, it is characterised in that when the becket
For it is multiple when, multiple beckets are arranged at intervals, and the distance at interval is 0-10 millimeters；The becket in crest and trough according to
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 the metal circumferential weld
Close the inner circumferential in the overlay film or periphery.
8. one according to claim 2 repairs the support of aorta vessel interlayer, it is characterised in that the latticed knot
The recess that structure is included between multiple concavo-convex rings, the adjacent concavo-convex ring is docked successively with convex, and the pipe of hollow out is integrally formed
Shape structure.
9. one according to claim 1 repairs the support of aorta vessel interlayer, it is characterised in that the one is repaired
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 kind of stent delivery system, including sheath, it is characterised in that also including one as described in claim any one of 1-9
Body repairs the support of aorta vessel interlayer, and the branch that the one repairs aorta vessel interlayer is set up in the sheath, led to
Cross the support that the one is repaired into aorta vessel interlayer and be sent to aortic arch, the retrogressing sheath release is described integrally to 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 |
|---|---|---|---|
| CN201610168897.8A CN105853033B (en) | 2016-03-23 | 2016-03-23 | One repairs the support and stent delivery system of aorta vessel interlayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168897.8A CN105853033B (en) | 2016-03-23 | 2016-03-23 | One repairs the support and stent delivery system of aorta vessel interlayer |
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| CN106726003B (en) * | 2016-12-30 | 2018-03-13 | 上海长海医院 | Dissection of aorta intravascular stent and its manufacture method |
| US10772727B2 (en) | 2017-03-09 | 2020-09-15 | Medtronic Vascular, Inc. | Tension management devices for stented prosthesis delivery device |
| CN109009562B (en) * | 2018-08-27 | 2023-11-21 | 泉州市第一医院 | Improved aortic arch tectorial membrane stent type blood vessel |
| CN113367834B (en) * | 2020-03-10 | 2024-02-27 | 上海微创医疗器械（集团）有限公司 | Tectorial membrane bracket and preparation method thereof |
| WO2022007560A1 (en) | 2020-07-06 | 2022-01-13 | 深圳市先健畅通医疗有限公司 | Covered stent |
| CN113893062B (en) * | 2020-07-06 | 2023-01-03 | 先健科技(深圳)有限公司 | Covered stent |
| CN112206030A (en) * | 2020-11-11 | 2021-01-12 | 北京久事神康医疗科技有限公司 | Covered stent |
| CN112587279B (en) * | 2020-12-09 | 2022-07-29 | 山东第一医科大学附属省立医院(山东省立医院) | An assembled aortic stent system |
| CN114010241B (en) * | 2021-11-16 | 2023-12-22 | 复旦大学附属中山医院 | Plugging device for aortic dissection fracture repair |
| CN114601521A (en) * | 2022-03-28 | 2022-06-10 | 上海微创医疗器械（集团）有限公司 | Plugging support and conveying system |
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| US8574284B2 (en) * | 2007-12-26 | 2013-11-05 | Cook Medical Technologies Llc | Low profile non-symmetrical bare alignment stents with graft |
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