CN108261275A - 可吸收支架 - Google Patents
可吸收支架 Download PDFInfo
- Publication number
- CN108261275A CN108261275A CN201611271031.6A CN201611271031A CN108261275A CN 108261275 A CN108261275 A CN 108261275A CN 201611271031 A CN201611271031 A CN 201611271031A CN 108261275 A CN108261275 A CN 108261275A
- Authority
- CN
- China
- Prior art keywords
- described matrix
- stent
- bioabsorbable stent
- supporting rod
- stent according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 129
- 238000003491 array Methods 0.000 claims abstract description 5
- 238000005498 polishing Methods 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 16
- 239000007769 metal material Substances 0.000 claims 1
- 239000002861 polymer material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 35
- 230000007797 corrosion Effects 0.000 abstract description 19
- 238000005260 corrosion Methods 0.000 abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 60
- 210000004351 coronary vessel Anatomy 0.000 description 48
- 230000002792 vascular Effects 0.000 description 31
- 229910052742 iron Inorganic materials 0.000 description 30
- 230000002093 peripheral effect Effects 0.000 description 28
- 238000005121 nitriding Methods 0.000 description 25
- 238000005452 bending Methods 0.000 description 18
- 210000004204 blood vessel Anatomy 0.000 description 18
- 238000013001 point bending Methods 0.000 description 18
- 239000008280 blood Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 210000004369 blood Anatomy 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000003814 drug Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 229920000747 poly(lactic acid) Polymers 0.000 description 6
- 239000004626 polylactic acid Substances 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 5
- WHBMMWSBFZVSSR-UHFFFAOYSA-N 3-hydroxybutyric acid Chemical compound CC(O)CC(O)=O WHBMMWSBFZVSSR-UHFFFAOYSA-N 0.000 description 4
- 150000008065 acid anhydrides Chemical class 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 229920000954 Polyglycolide Polymers 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229920006237 degradable polymer Polymers 0.000 description 3
- 206010020718 hyperplasia Diseases 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 239000004633 polyglycolic acid Substances 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 3
- 230000035488 systolic blood pressure Effects 0.000 description 3
- 206010003225 Arteriospasm coronary Diseases 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000003110 anti-inflammatory effect Effects 0.000 description 2
- 229940127218 antiplatelet drug Drugs 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- -1 cochrome Chemical compound 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920001610 polycaprolactone Polymers 0.000 description 2
- 239000004632 polycaprolactone Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- MJRDZKSKNYIAHZ-WLHGVMLRSA-N (e)-but-2-enedioic acid;decanedioic acid Chemical compound OC(=O)\C=C\C(O)=O.OC(=O)CCCCCCCCC(O)=O MJRDZKSKNYIAHZ-WLHGVMLRSA-N 0.000 description 1
- XBBVURRQGJPTHH-UHFFFAOYSA-N 2-hydroxyacetic acid;2-hydroxypropanoic acid Chemical compound OCC(O)=O.CC(O)C(O)=O XBBVURRQGJPTHH-UHFFFAOYSA-N 0.000 description 1
- 206010003211 Arteriosclerosis coronary artery Diseases 0.000 description 1
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 description 1
- URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 206010061216 Infarction Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 229930012538 Paclitaxel Natural products 0.000 description 1
- 229920000331 Polyhydroxybutyrate Polymers 0.000 description 1
- 208000012287 Prolapse Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 229940127217 antithrombotic drug Drugs 0.000 description 1
- 210000003445 biliary tract Anatomy 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 229960004588 cilostazol Drugs 0.000 description 1
- RRGUKTPIGVIEKM-UHFFFAOYSA-N cilostazol Chemical compound C=1C=C2NC(=O)CCC2=CC=1OCCCCC1=NN=NN1C1CCCCC1 RRGUKTPIGVIEKM-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000002586 coronary angiography Methods 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 208000026758 coronary atherosclerosis Diseases 0.000 description 1
- UREBDLICKHMUKA-CXSFZGCWSA-N dexamethasone Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1C[C@@H](C)[C@@](C(=O)CO)(O)[C@@]1(C)C[C@@H]2O UREBDLICKHMUKA-CXSFZGCWSA-N 0.000 description 1
- 229960003957 dexamethasone Drugs 0.000 description 1
- 230000035487 diastolic blood pressure Effects 0.000 description 1
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical class CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 description 1
- OBNCKNCVKJNDBV-UHFFFAOYSA-N ethyl butyrate Chemical compound CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 230000001631 hypertensive effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000007574 infarction Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229960001592 paclitaxel Drugs 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 description 1
- 239000005015 poly(hydroxybutyrate) Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 206010036067 polydipsia Diseases 0.000 description 1
- 229920000903 polyhydroxyalkanoate Polymers 0.000 description 1
- ZAHRKKWIAAJSAO-UHFFFAOYSA-N rapamycin Natural products COCC(O)C(=C/C(C)C(=O)CC(OC(=O)C1CCCCN1C(=O)C(=O)C2(O)OC(CC(OC)C(=CC=CC=CC(C)CC(C)C(=O)C)C)CCC2C)C(C)CC3CCC(O)C(C3)OC)C ZAHRKKWIAAJSAO-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 208000037803 restenosis Diseases 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 229960002930 sirolimus Drugs 0.000 description 1
- QFJCIRLUMZQUOT-HPLJOQBZSA-N sirolimus Chemical compound C1C[C@@H](O)[C@H](OC)C[C@@H]1C[C@@H](C)[C@H]1OC(=O)[C@@H]2CCCCN2C(=O)C(=O)[C@](O)(O2)[C@H](C)CC[C@H]2C[C@H](OC)/C(C)=C/C=C/C=C/[C@@H](C)C[C@@H](C)C(=O)[C@H](OC)[C@H](O)/C(C)=C/[C@@H](C)C(=O)C1 QFJCIRLUMZQUOT-HPLJOQBZSA-N 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- RCINICONZNJXQF-MZXODVADSA-N taxol Chemical compound O([C@@H]1[C@@]2(C[C@@H](C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)OC(=O)[C@H](O)[C@@H](NC(=O)C=1C=CC=CC=1)C=1C=CC=CC=1)O)C(=O)C1=CC=CC=C1 RCINICONZNJXQF-MZXODVADSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 229940070710 valerate Drugs 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
- 229910052720 vanadium Inorganic materials 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
- A61F2/82—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
-
- 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
-
- 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
- A61F2002/91525—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 within the whole structure different bands showing different meander characteristics, e.g. frequency or amplitude
-
- 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
- A61F2002/91533—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 characterised by the phase between adjacent bands
- A61F2002/91541—Adjacent bands are arranged out of phase
-
- 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
- A61F2002/9155—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
- A61F2/82—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
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91575—Adjacent bands being connected to each other connected peak to trough
-
- 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
- A61F2002/9155—Adjacent bands being connected to each other
- A61F2002/91591—Locking connectors, e.g. using male-female connections
-
- 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
- A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0018—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in elasticity, stiffness or compressibility
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0036—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in thickness
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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Claims (22)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611271031.6A CN108261275A (zh) | 2016-12-31 | 2016-12-31 | 可吸收支架 |
CN202210308364.0A CN114831786A (zh) | 2016-12-31 | 2016-12-31 | 可吸收支架 |
US16/474,226 US11253380B2 (en) | 2016-12-31 | 2017-12-19 | Absorbable stent |
PCT/CN2017/117122 WO2018121340A1 (zh) | 2016-12-31 | 2017-12-19 | 可吸收支架 |
EP17885765.2A EP3563810A4 (en) | 2016-12-31 | 2017-12-19 | ABSORBABLE STENT |
US17/580,928 US20220142795A1 (en) | 2016-12-31 | 2022-01-21 | Absorbable stent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611271031.6A CN108261275A (zh) | 2016-12-31 | 2016-12-31 | 可吸收支架 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210308364.0A Division CN114831786A (zh) | 2016-12-31 | 2016-12-31 | 可吸收支架 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108261275A true CN108261275A (zh) | 2018-07-10 |
Family
ID=62706896
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210308364.0A Pending CN114831786A (zh) | 2016-12-31 | 2016-12-31 | 可吸收支架 |
CN201611271031.6A Pending CN108261275A (zh) | 2016-12-31 | 2016-12-31 | 可吸收支架 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210308364.0A Pending CN114831786A (zh) | 2016-12-31 | 2016-12-31 | 可吸收支架 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11253380B2 (zh) |
EP (1) | EP3563810A4 (zh) |
CN (2) | CN114831786A (zh) |
WO (1) | WO2018121340A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020125228A1 (zh) * | 2018-12-19 | 2020-06-25 | 先健科技(深圳)有限公司 | 可吸收金属支架 |
CN111603284A (zh) * | 2020-06-16 | 2020-09-01 | 湖南华耀百奥医疗科技有限公司 | 一种可吸收锌基合金载药支架 |
CN112972083A (zh) * | 2019-12-17 | 2021-06-18 | 北京迈迪顶峰医疗科技有限公司 | 幼儿肺动脉支架 |
CN115501021A (zh) * | 2021-06-22 | 2022-12-23 | 微创神通医疗科技(上海)有限公司 | 一种支架与一种载药支架 |
WO2025086189A1 (en) * | 2023-10-26 | 2025-05-01 | Covidien Lp | Stent with struts defining circumferentially offset apices |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10463514B2 (en) * | 2017-06-27 | 2019-11-05 | Abbott Cardiovascular Systems Inc. | Intravascular stent having high fatigue performance |
CN114917066A (zh) * | 2022-04-28 | 2022-08-19 | 北京科技大学 | 一种负泊松比血管支架 |
CN117224297B (zh) * | 2023-11-13 | 2024-02-13 | 太原理工大学 | 一种逆式组合结构下肢动脉血管支架 |
CN119655936B (zh) * | 2025-02-20 | 2025-06-13 | 北京航空航天大学 | 一种可降解血管支架 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102497970A (zh) * | 2009-09-14 | 2012-06-13 | 艾博特心血管系统公司 | 控制生物可吸收支架的结晶形态 |
CN102657564A (zh) * | 2012-05-10 | 2012-09-12 | 大连理工大学 | 一种生物可降解血管支架 |
CN104587534A (zh) * | 2013-10-31 | 2015-05-06 | 先健科技(深圳)有限公司 | 可吸收铁基合金支架 |
CN204600807U (zh) * | 2015-04-27 | 2015-09-02 | 日照天一生物医疗科技有限公司 | 镁合金血管支架 |
CN105686897A (zh) * | 2014-11-28 | 2016-06-22 | 先健科技(深圳)有限公司 | 管腔支架与其预制件、管腔支架与其预制件的制备方法 |
US20160228267A1 (en) * | 2015-02-11 | 2016-08-11 | Abbott Cardiovascular Systems Inc. | Scaffolds having radiopaque markers |
CN105902331A (zh) * | 2016-04-08 | 2016-08-31 | 南京永明医疗器械有限公司 | 一种血管支架及其制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7625401B2 (en) * | 2003-05-06 | 2009-12-01 | Abbott Laboratories | Endoprosthesis having foot extensions |
US8460362B2 (en) | 2006-07-20 | 2013-06-11 | Orbusneich Medical, Inc. | Bioabsorbable polymeric medical device |
WO2008036457A2 (en) * | 2006-09-18 | 2008-03-27 | Boston Scientific Limited | Controlling biodegradation of a medical instrument |
CN104188742B (zh) * | 2009-04-10 | 2018-01-19 | 泰科保健集团有限合伙公司 | 具有高抗疲劳性的植入物、植入物输送系统及使用方法 |
CN103932841B (zh) * | 2011-06-16 | 2015-08-12 | 王宁利 | 一种施莱姆氏管(Schlemm)扩张支架及其组合体 |
US8968387B2 (en) * | 2012-07-23 | 2015-03-03 | Abbott Cardiovascular Systems Inc. | Shape memory bioresorbable polymer peripheral scaffolds |
US10064745B2 (en) | 2014-03-18 | 2018-09-04 | Abbott Cardiovascular Systems Inc. | Tapered scaffolds |
WO2016044788A2 (en) * | 2014-09-18 | 2016-03-24 | Abbott Cardiovascular Systems Inc. | Thermal processing of polymer scaffolds |
CN105596125A (zh) * | 2016-02-04 | 2016-05-25 | 西安爱德万思医疗科技有限公司 | 一种由人体可吸收锌及其锌合金材料构成的管网式血管支架 |
-
2016
- 2016-12-31 CN CN202210308364.0A patent/CN114831786A/zh active Pending
- 2016-12-31 CN CN201611271031.6A patent/CN108261275A/zh active Pending
-
2017
- 2017-12-19 US US16/474,226 patent/US11253380B2/en active Active
- 2017-12-19 WO PCT/CN2017/117122 patent/WO2018121340A1/zh unknown
- 2017-12-19 EP EP17885765.2A patent/EP3563810A4/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102497970A (zh) * | 2009-09-14 | 2012-06-13 | 艾博特心血管系统公司 | 控制生物可吸收支架的结晶形态 |
CN102657564A (zh) * | 2012-05-10 | 2012-09-12 | 大连理工大学 | 一种生物可降解血管支架 |
CN104587534A (zh) * | 2013-10-31 | 2015-05-06 | 先健科技(深圳)有限公司 | 可吸收铁基合金支架 |
CN105686897A (zh) * | 2014-11-28 | 2016-06-22 | 先健科技(深圳)有限公司 | 管腔支架与其预制件、管腔支架与其预制件的制备方法 |
US20160228267A1 (en) * | 2015-02-11 | 2016-08-11 | Abbott Cardiovascular Systems Inc. | Scaffolds having radiopaque markers |
CN204600807U (zh) * | 2015-04-27 | 2015-09-02 | 日照天一生物医疗科技有限公司 | 镁合金血管支架 |
CN105902331A (zh) * | 2016-04-08 | 2016-08-31 | 南京永明医疗器械有限公司 | 一种血管支架及其制备方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020125228A1 (zh) * | 2018-12-19 | 2020-06-25 | 先健科技(深圳)有限公司 | 可吸收金属支架 |
CN111329632A (zh) * | 2018-12-19 | 2020-06-26 | 先健科技(深圳)有限公司 | 可吸收金属支架 |
CN112972083A (zh) * | 2019-12-17 | 2021-06-18 | 北京迈迪顶峰医疗科技有限公司 | 幼儿肺动脉支架 |
CN111603284A (zh) * | 2020-06-16 | 2020-09-01 | 湖南华耀百奥医疗科技有限公司 | 一种可吸收锌基合金载药支架 |
CN115501021A (zh) * | 2021-06-22 | 2022-12-23 | 微创神通医疗科技(上海)有限公司 | 一种支架与一种载药支架 |
WO2022267888A1 (zh) * | 2021-06-22 | 2022-12-29 | 微创神通医疗科技(上海)有限公司 | 一种支架与一种载药支架 |
CN115501021B (zh) * | 2021-06-22 | 2023-08-11 | 微创神通医疗科技(上海)有限公司 | 一种支架与一种载药支架 |
WO2025086189A1 (en) * | 2023-10-26 | 2025-05-01 | Covidien Lp | Stent with struts defining circumferentially offset apices |
Also Published As
Publication number | Publication date |
---|---|
US11253380B2 (en) | 2022-02-22 |
US20200206004A1 (en) | 2020-07-02 |
EP3563810A1 (en) | 2019-11-06 |
WO2018121340A1 (zh) | 2018-07-05 |
CN114831786A (zh) | 2022-08-02 |
EP3563810A4 (en) | 2020-08-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108261275A (zh) | 可吸收支架 | |
ES2451653T3 (es) | Dispositivo médico implantable con revestimiento de suministro de fármacos de poliéster de erosión superficial | |
JP4347044B2 (ja) | 可変放出プロフィールを有する治療用薬剤を送達するための装置 | |
US7935379B2 (en) | Coated and imprinted medical devices and methods of making the same | |
AU2014400542B2 (en) | Thin strut stent from bioabsorbable polymer with high fatigue and radial strength and method to manufacture thereof | |
US9468746B2 (en) | Systems and methods for local bioactive material delivery | |
US20070191926A1 (en) | Stent pattern for high stent retention | |
JP2004523275A (ja) | 治療能力のある薬剤の送達 | |
WO2007021749A1 (en) | Intraluminal device with a hollow structure | |
CN105833358B (zh) | 一种颅内药物洗脱支架系统及其制备方法 | |
KR20190096973A (ko) | 기능성 내피 세포 층의 복구를 가능하게 하는 약물 용출 스텐트 및 이의 사용 방법 | |
JP2023133344A (ja) | 薬物放出コーティング組成物 | |
JP5217026B2 (ja) | ステント及びその製造方法 | |
US20150209483A1 (en) | Bioabsorbable medical devices and methods of use thereof | |
US10751204B2 (en) | Drug-eluting stent formed from a deformable hollow strut for a customizable elution rate | |
US20170203491A1 (en) | Method to manufacture thin strut stent from bioabsorbable polymer | |
JP4379044B2 (ja) | 生体留置用ステント | |
US20220142795A1 (en) | Absorbable stent | |
CN106267382A (zh) | 一种可降解的药物洗脱支架及其制备方法 | |
JP2010517721A (ja) | ステントリングの表面形成 | |
CN117098517A (zh) | 药物洗脱支架 | |
US20130123903A1 (en) | Enhanced retention stent | |
CA2883013A1 (en) | Highly flexible stent |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190611 Address after: 518000 Xianjian Science and Technology Building 1001, 22 South 12 Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Yuanxin Science and Technology (Shenzhen) Co.,Ltd. Address before: 518000 1st-5th Floor of Saiba Research Building, Langshan Second Road, North District of Nanshan High-tech Industrial Park, Shenzhen City, Guangdong Province Applicant before: LIFETECH SCIENTIFIC (SHENZHEN) Co.,Ltd. |
|
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180710 |