CN201840555U - Vessel stent being beneficial to being pressed and held - Google Patents
Vessel stent being beneficial to being pressed and held Download PDFInfo
- Publication number
- CN201840555U CN201840555U CN 201020126811 CN201020126811U CN201840555U CN 201840555 U CN201840555 U CN 201840555U CN 201020126811 CN201020126811 CN 201020126811 CN 201020126811 U CN201020126811 U CN 201020126811U CN 201840555 U CN201840555 U CN 201840555U
- Authority
- CN
- China
- Prior art keywords
- intravascular stent
- support bar
- stent
- axial
- row
- 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.)
- Expired - Lifetime
Links
- 230000009286 beneficial effect Effects 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims description 21
- 229920000747 poly(lactic acid) Polymers 0.000 abstract description 21
- 239000004626 polylactic acid Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 8
- 210000000988 bone and bone Anatomy 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 6
- 239000003814 drug Substances 0.000 abstract description 5
- 229940079593 drug Drugs 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 5
- 238000003698 laser cutting Methods 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical class [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 10
- 210000004204 blood vessel Anatomy 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- PJRSUKFWFKUDTH-JWDJOUOUSA-N (2s)-6-amino-2-[[2-[[(2s)-2-[[(2s,3s)-2-[[(2s)-2-[[2-[[(2s)-2-[[(2s)-6-amino-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[(2-aminoacetyl)amino]-4-methylsulfanylbutanoyl]amino]propanoyl]amino]-3-hydroxypropanoyl]amino]hexanoyl]amino]propanoyl]amino]acetyl]amino]propanoyl Chemical compound CSCC[C@H](NC(=O)CN)C(=O)N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(N)=O PJRSUKFWFKUDTH-JWDJOUOUSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 108010021753 peptide-Gly-Leu-amide Proteins 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920000954 Polyglycolide Polymers 0.000 description 2
- 229920001710 Polyorthoester Polymers 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000012217 deletion Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 2
- 229920001610 polycaprolactone Polymers 0.000 description 2
- 239000004633 polyglycolic acid Substances 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 101100021395 Arabidopsis thaliana LIP1 gene Proteins 0.000 description 1
- 206010003694 Atrophy Diseases 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 241001597008 Nomeidae Species 0.000 description 1
- 229920000331 Polyhydroxybutyrate Polymers 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229940121363 anti-inflammatory agent Drugs 0.000 description 1
- 239000002260 anti-inflammatory agent Substances 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000009693 chronic damage Effects 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 208000006331 coronary aneurysm Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 229920000520 poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Polymers 0.000 description 1
- 229920001432 poly(L-lactide) Polymers 0.000 description 1
- 239000005015 poly(hydroxybutyrate) Substances 0.000 description 1
- 229920002796 poly[α-(4-aminobutyl)-L-glycolic acid) Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 208000037803 restenosis Diseases 0.000 description 1
- 229940070710 valerate Drugs 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Images
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 sheet material 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 sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a vessel stent being beneficial to being pressed and held, which belongs to the technical field of medical apparatus and instruments. The stent is in a tube wall hollow-out tubular shape and is formed by connecting a plurality of rows of parallelly arranged sine waves (1) on peaks (2) of the sine waves through axial support bars (3). The quantity or (and) the rows of the sine waves (1) or (and) the quantity of the axial support bars (3) can be added or deleted to obtain a series of design patterns of the vessel stent with different patterns. The vessel stent provided by the utility model provides an enough space for pressing and holding the stent, the possibility that all the support bars are in contact with one another when in pressing and holding is greatly reduced, and a drug coating can be effectively protected; after being released, the shape of the stent is still very regular, the shrinkage of the stent is very low, the bearing force and the flexibility of the stent are very good, and the 'dog bone' effect is low. The utility model can be widely applied to the laser cutting of the vessel stent made of metal materials of 316L stainless steel, L605 cobalt-chromium alloy and the like, and most of polymer materials of polylactic acid (PLLA) and the like.
Description
Technical field
This utility model relates to the intravascular stent in the medical apparatus and instruments, and particularly a kind of being beneficial to pressed the intravascular stent of holding.
Technical background
Intravascular stent Wicresoft implants and is widely used in treating angiostenosis as a kind of effective interventional technique, tubulose hollow out support is seated to disease sites by operation blood vessel is carried out effectively support, play the effect of mediation narrow blood vessel, and operation can not cause big wound to sufferer.
At present, the material that can be used to make intravascular stent can be divided into metal and medical macromolecular materials two big classes.
The metal material that is used for intravascular stent processing mainly contains 316L rustless steel, L605 cobalt chromium (CoCr) alloy, magnesium alloy etc.After process long period Clinical Laboratory, metal rack production and application reach its maturity, are the main products of present intravascular stent, are commonly vast operation technique person and patient and accept.But studies show that, metal rack retains the chronic injury that can cause blood vessel for a long time in blood vessel, later stage can cause the atrophy of media, aneurysm to form and reactive neointimal hyperplasia, generation (the RabST that finally causes vascular restenosis, KiHgsB, Roubin GS, et al.Coronary aneurysms after stent Placement:a suggestion of altered vessel wallhealing in the Presence of anti-inflammatory agents.J Am CollCardiol 1991,18:1524).
In recent years, along with medical demand and development, one class is that the intravascular stent of base material rises just gradually by medical macromolecular materials, such support can play mechanics to blood vessel in the special time of wound healing supports, and can progressively be absorbed by body in pathological changes healing back, avoided metal rack because of retaining the negative effect that produces in the body for a long time.
The material that can be used for making the biodegradation intravascular stent mainly contains polylactic acid (polylacticacid, PLA), L-polylactic acid (polyLlactic acid, PLLA or LPLA), polyglycolic acid/copolymer of poly lactic acid (polyglycolic acid/polylactic acid, PGLA), pla-pcl (polycaprolactone, PCL), polyhydroxybutyrate valerate (polyhydroxylbutyratevalerate, PHBV), polyacetylglutamic acid (polyacetylglutamicacid, PAGA), polyorthoesters (polyorthoesters, POE) and polyethylene glycol oxide/polybutene copolymer (polyethyleneoxide/polybutylene terephthalate, PEO/PBTP) etc.That timbering material application at present is more is PLA, PLLA and PGLA.In the U.S., PLLA and PGLA are accurate for can be applicable to the biological engineering material of human body by Food and Drug Administration (FDA).(the progress The Fourth Military Medical University journal 2006,27 (20) of the outstanding biodegradability coronary stent of Diao Fanrong Lv Anlinli army)
No matter be to adopt which class tubing cutting vessel support, the intravascular stent of well cutting all must possess excellent biological compatibility, enough radial support power, good compliance, to satisfy the basic security needs of support blood vessels diseased region in long-term or the longer-term.
Except the influence of material to product of cutting vessel support, the intravascular stent graphic designs also is one of key factor of decision finished product quality, and the performance difference that the identical different graphic designs of tubing employing is cut resulting support is very big.Because intravascular stent places in the patient body, often be subjected to the alternating pressure of blood vessel, and various external force such as bending, distortion about, need to guarantee that support can cracked and damage in this process.And also can produce ess-strain in the support course of processing medium-height trestle, if supporting structure design is bad, cause local stress too concentrated, fatigue rupture such as just may break.Therefore, the performance before and after the support Design figure is implanted intravascular stent is most important.
Summary of the invention
The purpose of this utility model provides a kind of being beneficial to and presses the intravascular stent of holding, and is applicable to the intravascular stent Laser cutting of each metalloid material and medical macromolecular materials.Intravascular stent provided by the utility model is pressed to hold to provide to support and is done enough spaces, presses the probability that each brace rod touches together when holding to reduce greatly, can effectively protect medication coat; Shape was still very regular after this intravascular stent discharged, and support cripetura rate is very low, and support force and compliance are good, and " dog bone " effect is low.Can be widely used in the cut of metal materials such as 316L rustless steel, L605 cochrome and polylactic acid most polymers material intravascular stents such as (PLLA).
This and other purpose of the present utility model will further embody and set forth by following detailed description and explanation.
This support is formed by the tubular material cut, and linked to each other between putting between the crest summit of sine wave or at the bottom of the trough by axial support bar 3 by the sinusoidal wave main body ribs 1 of vertically arranging parallel uniform arrangement forms more.
Can additions and deletions the number of sinusoidal wave main body rib 1 adjust stent length, the length that changes sinusoidal wave main body rib 1 is adjusted the support external diameter.
Sinusoidal wave main body rib is made of summit and bending muscle, and the bending muscle can be to fix a point to close up and stretch with the summit, helps obtaining when support is bundled on the induction system littler diameter and distortion uniformly.Tubular blood vessel support is when being held by vertical all outward force pressures; bending muscle 4 is yielded in the encirclement of two sections axial support bar 3 along sinusoidal wave 1 shape; the bending direction of adjacent elementary cell bending muscle 4 is consistent; guarantee that each dowel can not touch because there being the surrender position, and then the protection medication coat.
Further, this utility model can be used for but is not limited only to the cutting of following intravascular stent tubing: metal material such as 316L rustless steel, L605 cochrome and polylactic acid (PLLA) and composition thereof, derivant etc.Can be according to material metal rack and polymer incising pipes concrete property needs, the number of offset of sinusoidal ripple 1 or (with) number of permutations or (with) zenith axis carries out the intravascular stent design configuration that additions and deletions obtain a series of different graphics to the quantity of support bar 3, comes the compliance and the support force of balance bracket.
Of the present utility modelly be beneficial to that to press the beneficial effect of the intravascular stent hold be the cutting that can adapt to present most of material intravascular stent, press to hold to provide to support and do enough spaces, the probability that each brace rod touched together when pressure was held reduces greatly, can effectively protect medication coat; Shape was still very regular after intravascular stent discharged, and support cripetura rate is very low, and support force and compliance are good, and " dog bone " effect is low.Can be widely used in the cut of metal materials such as 316L rustless steel, L605 cochrome and polylactic acid most polymers material intravascular stents such as (PLLA).
Four, description of drawings
Fig. 1 is the intravascular stent plane outspread drawing of this utility model product.
Fig. 2 is the intravascular stent elementary cell part plan expanded view of this utility model product.
Fig. 3 is that local pressure of the intravascular stent elementary cell of this utility model product held the back sketch map.
Fig. 4 be this utility model product in the every row of direction perpendicular to axial direction, the staggered intravascular stent plane outspread drawing of removing behind two axial support bars.
Fig. 5 be this utility model product in the every row of direction perpendicular to axial direction, adjacent row are staggered removes intravascular stent plane outspread drawing behind one and the two axial support bars.
Fig. 6 be this utility model product in the every row of direction perpendicular to axial direction, remove at interval the intravascular stent plane outspread drawing behind one and the two axial support bars.
Fig. 7 be this utility model product at axial direction, the intravascular stent plane outspread drawing behind the axial support bar is removed in interlacing.
Fig. 8 be this utility model product at axial direction, the intravascular stent plane outspread drawing of interlacing after row are removed the axial support bar.
Fig. 9 is that this utility model product is in the vertical axial direction, every row and staggered intravascular stent plane outspread drawing after removing the axial support bar.
Figure 10 be this utility model product in the vertical axial direction, adjacent two row are removed the intravascular stent plane outspread drawing behind one and the two axial support bars respectively.
Figure 11 is that this utility model product is in the vertical axial direction, every two row and staggered intravascular stent plane outspread drawing after removing the axial support bars.
Figure 12 be this utility model product in the vertical axial direction, the staggered support plane outspread drawing of removing the axial support bar.
In Fig. 1 to Fig. 3, the sine wave that symbol 1 representative is arranged in parallel, symbol 2 is represented sinusoidal wave summit, and symbol 3 is represented the axial support bar, and symbol 4 is represented sinusoidal wave bending muscle except that the summit.
Five, the specific embodiment
Of the present utility model being beneficial to pressed the intravascular stent hold, and formed by polylactic acid (PLLA) tubular material cut, and the sine wave 1 that is arranged in parallel by many rows links to each other on the summit 2 of sine wave by axial support bar 3 and forms.Polylactic acid tube outer diameter 1.8mm-4.5mm, wall thickness 0.08mm-0.25mm uses the femtosecond laser cutting, and the cutting back edge is clear, regular shape.Be held in the sacculus pressure by support processing back, shape was still very regular after intravascular stent discharged, and no support dowel touches phenomenon, and support cripetura rate is less than 1%, and support force is greater than 1N, and compliance is good.Discharge after-poppet diameter irregularity less than 2%, " dog bone " effect is low.
With reference to figure 2, Fig. 3, of the present utility model being beneficial to pressed the intravascular stent hold, and formed the sine wave 1 that is arranged in parallel by many rows by the cutting of L605 cochrome tubulose material laser and links to each other on the summit 2 of sine wave by axial support bar 3 and form.L605 alloy pipe external diameter 1.0mm-4.0mm, wall thickness 0.06mm-0.12mm uses cut, and the cutting back edge is clear, regular shape.Be held in the sacculus pressure by support processing back, shape was still very regular after intravascular stent discharged, and no support dowel touches phenomenon, and support cripetura rate is less than 1.5%, and support force is greater than 1.5N, and compliance is good.Discharge after-poppet diameter irregularity less than 3%, " dog bone " effect is low.
With reference to figure 1, Fig. 2, Fig. 3, of the present utility model being beneficial to pressed the intravascular stent of holding, form by 316L rustless steel tubulose material laser cutting, form the sine wave 1 that is arranged in parallel by many rows by the cutting of L605 cochrome tubulose material laser and link to each other on the summit 2 of sine wave by axial support bar 3 and form.316L stainless steel pipe external diameter 1.0mm-4.0mm, wall thickness 0.08mm-0.15mm uses cut, and the cutting back edge is clear, regular shape.Be held in the sacculus pressure by support processing back, shape was still very regular after intravascular stent discharged, and no support dowel touches phenomenon, and support cripetura rate is less than 15%, and support force is greater than 1.5N, and compliance is good.Discharge after-poppet diameter irregularity less than 2%, " dog bone " effect is low.
Give an example 2: in the every row of direction perpendicular to axial direction, two axial support bars of staggered removal are seen accompanying drawing 4.
Give an example 3: in the every row of direction perpendicular to axial direction, the staggered removal of adjacent row one and two axial support bars are seen accompanying drawing 5.
Give an example 4: in the every row of direction perpendicular to axial direction, remove one and two axial support bars at interval, see accompanying drawing 6.
Give an example 5: at axial direction, the axial support bar is removed in interlacing, sees accompanying drawing 7.
Give an example 6: at axial direction, the intravascular stent support bar in the every row of direction perpendicular to axial direction, is removed behind the axial support bar and is removed two axial support bars every an axial support bar, adjacent in the axial direction two row remove an axial support pole pair and should remove two axial support bars, see accompanying drawing 8.
Give an example 7:,, see accompanying drawing 9 every row and the staggered axial support bar of removing in the vertical axial direction.
Give an example 8: in the vertical axial direction, adjacent two row are removed one and two axial support bars respectively, see accompanying drawing 10.
Give an example 9:,, see accompanying drawing 11 every two row and the staggered axial support bar of removing in the vertical axial direction.
Give an example 10: in the vertical axial direction, the staggered axial support bar of removing is seen accompanying drawing 12.
Claims (10)
1. one kind is beneficial to the intravascular stent that pressure is held, it is characterized in that this support is formed by the tubular material cut, linked to each other between putting between the crest summit of sine wave or at the bottom of the trough by axial support bar (3) by the sinusoidal wave main body ribs (1) of vertically arranging parallel uniform arrangement forms more.
2. a kind of being beneficial to according to claim 1 pressed the intravascular stent of holding, and it is characterized in that described intravascular stent support bar, in the every row of direction perpendicular to axial direction, and two axial support bars of staggered removal.
3. a kind of being beneficial to according to claim 1 pressed the intravascular stent of holding, and it is characterized in that described intravascular stent support bar, in the every row of direction perpendicular to axial direction, and the staggered removal of adjacent row one and two axial support bars.
4. a kind of being beneficial to according to claim 1 pressed the intravascular stent of holding, it is characterized in that described intravascular stent support bar, in the every row of direction perpendicular to axial direction, remove two axial support bars every an axial support bar after removing an axial support bar, adjacent in the axial direction two row remove an axial support pole pair and should remove two axial support bars.
5. a kind of being beneficial to according to claim 1 pressed the intravascular stent of holding, and it is characterized in that described intravascular stent support bar, and at axial direction, the axial support bar is removed in interlacing.
6. a kind of being beneficial to according to claim 1 pressed the intravascular stent of holding, and it is characterized in that described intravascular stent support bar, and at axial direction, interlacing is removed the axial support bar every row.
7. a kind of being beneficial to according to claim 1 pressed the intravascular stent of holding, and it is characterized in that described intravascular stent support bar, in the vertical axial direction, every row and the staggered axial support bar of removing.
8. a kind of being beneficial to according to claim 1 pressed the intravascular stent of holding, and it is characterized in that described intravascular stent support bar, and in the vertical axial direction, adjacent two row are removed one and two axial support bars respectively.
9. a kind of being beneficial to according to claim 1 pressed the intravascular stent of holding, and it is characterized in that described intravascular stent support bar, in the vertical axial direction, every two row and the staggered axial support bar of removing.
10. one kind is beneficial to the intravascular stent that pressure is held, it is characterized in that this support is formed by the tubular material cut, sinusoidal wave main body rib (1) by the vertically parallel uniform arrangement of many rows passes through axial support bar (3) at the row that link to each other between the point between the crest summit of sine wave or at the bottom of the trough, and the crest summit of described sine wave links to each other and is listed as and some necklace row two neighbours at the bottom of the trough.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020126811 CN201840555U (en) | 2010-03-10 | 2010-03-10 | Vessel stent being beneficial to being pressed and held |
| PCT/CN2011/071663 WO2011110092A1 (en) | 2010-03-10 | 2011-03-10 | Blood vessel stent facilitating to be compressed and grasped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020126811 CN201840555U (en) | 2010-03-10 | 2010-03-10 | Vessel stent being beneficial to being pressed and held |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201840555U true CN201840555U (en) | 2011-05-25 |
Family
ID=44035461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020126811 Expired - Lifetime CN201840555U (en) | 2010-03-10 | 2010-03-10 | Vessel stent being beneficial to being pressed and held |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201840555U (en) |
| WO (1) | WO2011110092A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417317A (en) * | 2013-08-16 | 2013-12-04 | 江苏大学 | Intravascular stent |
| CN105796217A (en) * | 2016-05-17 | 2016-07-27 | 李刚 | Blood vessel bracket |
| CN105902331A (en) * | 2016-04-08 | 2016-08-31 | 南京永明医疗器械有限公司 | Intravascular stent and preparation method thereof |
| CN105999394A (en) * | 2016-05-17 | 2016-10-12 | 李刚 | Artificial stent for surgical department |
| CN106038010A (en) * | 2016-05-19 | 2016-10-26 | 孙三友 | Cardiovascular artery stent |
| CN107155299A (en) * | 2014-06-02 | 2017-09-12 | 阿玛安斯医药私人公司 | bioabsorbable stent |
| CN108125738A (en) * | 2017-12-21 | 2018-06-08 | 潍坊医学院 | A kind of angiocarpy bracket |
| CN109966015A (en) * | 2017-12-27 | 2019-07-05 | 先健科技(深圳)有限公司 | Overlay film frame |
| CN113876475A (en) * | 2020-06-16 | 2022-01-04 | 上海康德莱医疗器械股份有限公司 | Degradable magnesium alloy stent |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020242051A1 (en) | 2019-03-20 | 2021-11-04 | inQB8 Medical Technologies, LLC | Aortic dissection implant |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2408836Y (en) * | 1999-12-24 | 2000-12-06 | 蒲忠杰 | Medical diameter changing supporter for dilating human canal |
| US20020123791A1 (en) * | 2000-12-28 | 2002-09-05 | Harrison William J. | Stent design with increased vessel coverage |
| US6899729B1 (en) * | 2002-12-18 | 2005-05-31 | Advanced Cardiovascular Systems, Inc. | Stent for treating vulnerable plaque |
| CN2710576Y (en) * | 2004-03-10 | 2005-07-20 | 杨大智 | Laser curved 'quasi sine' tube type nickel titanium alloy support |
| WO2007134358A1 (en) * | 2006-05-23 | 2007-11-29 | Allvascular Pty Ltd | Endovenous valve transfer stent |
| US8002817B2 (en) * | 2007-05-04 | 2011-08-23 | Abbott Cardiovascular Systems Inc. | Stents with high radial strength and methods of manufacturing same |
-
2010
- 2010-03-10 CN CN 201020126811 patent/CN201840555U/en not_active Expired - Lifetime
-
2011
- 2011-03-10 WO PCT/CN2011/071663 patent/WO2011110092A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417317A (en) * | 2013-08-16 | 2013-12-04 | 江苏大学 | Intravascular stent |
| CN107155299A (en) * | 2014-06-02 | 2017-09-12 | 阿玛安斯医药私人公司 | bioabsorbable stent |
| CN105902331A (en) * | 2016-04-08 | 2016-08-31 | 南京永明医疗器械有限公司 | Intravascular stent and preparation method thereof |
| CN105796217A (en) * | 2016-05-17 | 2016-07-27 | 李刚 | Blood vessel bracket |
| CN105999394A (en) * | 2016-05-17 | 2016-10-12 | 李刚 | Artificial stent for surgical department |
| CN105999394B (en) * | 2016-05-17 | 2019-02-22 | 泰州市津专知识产权服务有限公司 | A kind of surgery manually bracket |
| CN106038010A (en) * | 2016-05-19 | 2016-10-26 | 孙三友 | Cardiovascular artery stent |
| CN106038010B (en) * | 2016-05-19 | 2018-01-09 | 刘歆 | A kind of cardiovascular arterial bracket |
| CN108125738A (en) * | 2017-12-21 | 2018-06-08 | 潍坊医学院 | A kind of angiocarpy bracket |
| CN109966015A (en) * | 2017-12-27 | 2019-07-05 | 先健科技(深圳)有限公司 | Overlay film frame |
| CN113876475A (en) * | 2020-06-16 | 2022-01-04 | 上海康德莱医疗器械股份有限公司 | Degradable magnesium alloy stent |
| CN113876475B (en) * | 2020-06-16 | 2024-03-19 | 上海瑛泰医疗器械股份有限公司 | Degradable magnesium alloy bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011110092A1 (en) | 2011-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201840555U (en) | Vessel stent being beneficial to being pressed and held | |
| KR101231197B1 (en) | Polymeric stent | |
| CA2942277C (en) | Reduced granulation and inflammation stent design | |
| JP6382285B2 (en) | Compressible polymer scaffold | |
| EP2043567B1 (en) | Stent design with variable expansion columns along circumference | |
| EP3030277B1 (en) | Thin strut stent from bioabsorbable polymer with high fatigue and radial strength and method to manufacture thereof | |
| EP2658485B1 (en) | Stent | |
| JPWO2007040250A1 (en) | Indwelling stent | |
| JP2015527920A (en) | Peripheral scaffold of shape memory bioresorbable polymer | |
| WO2008028964A2 (en) | Helical implant having different ends | |
| WO2012159454A1 (en) | Biodegradable drug-eluitng stent patten | |
| CA2823535A1 (en) | Low strain high strength stent | |
| CN105796221A (en) | Methods for crimping | |
| CN109640882B (en) | Implantable completely-bioabsorbable intravascular polymer stent | |
| US20170203494A1 (en) | Method to manufacture thin strut stent from bioabsorbable polymer with high fatigue and radial strength | |
| CN206714859U (en) | It is a kind of can pre- preventing restenosis of blood vessel double-deck intravascular stent | |
| EP3158973B1 (en) | Method of manufacture of a biodegradable vascular filter | |
| Qiu et al. | Research into biodegradable polymeric stents: A review of experimental and modelling work | |
| CN202122627U (en) | Grid type intravascular stent | |
| US20170203491A1 (en) | Method to manufacture thin strut stent from bioabsorbable polymer | |
| EP3578142B1 (en) | Bioabsorbable stent | |
| WO2010005613A1 (en) | Overlapping stent | |
| US10675387B2 (en) | Multi stage radial deformation for manufacturing thin strut stent from bioabsorbable polymer | |
| EP1932496A1 (en) | Stent to be placed in the living body | |
| CN208552143U (en) | A kind of endovascular stent and product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI WEITE BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIE JIAN Effective date: 20131218 Free format text: FORMER OWNER: WEI ZHENG Effective date: 20131218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200135 PUDONG NEW AREA, SHANGHAI TO: 201203 PUDONG NEW AREA, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131218 Address after: 201203 Shanghai Guo Shou Jing Road, Pudong Zhangjiang hi tech Park No. 199 room 216 Patentee after: Shanghai Weite Biological Technology Co., Ltd. Address before: 200135, room 2, No. 763, Lane 1603, Chun Ying Road, Pudong District, Shanghai Patentee before: Xie Jian Patentee before: Wei Zheng |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |
|
| CX01 | Expiry of patent term |