CN203885667U - Stent - Google Patents
Stent Download PDFInfo
- Publication number
- CN203885667U CN203885667U CN201420303789.3U CN201420303789U CN203885667U CN 203885667 U CN203885667 U CN 203885667U CN 201420303789 U CN201420303789 U CN 201420303789U CN 203885667 U CN203885667 U CN 203885667U
- Authority
- CN
- China
- Prior art keywords
- support
- metal
- web frame
- mid portion
- stent
- 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
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims description 10
- 238000009954 braiding Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 206010002329 Aneurysm Diseases 0.000 abstract description 28
- 210000001367 artery Anatomy 0.000 abstract description 15
- 230000017531 blood circulation Effects 0.000 abstract description 13
- 208000007536 Thrombosis Diseases 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 6
- 210000004204 blood vessel Anatomy 0.000 abstract description 4
- 230000000004 hemodynamic effect Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000008520 organization Effects 0.000 abstract 1
- 230000003902 lesion Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 201000011066 hemangioma Diseases 0.000 description 3
- 208000005189 Embolism Diseases 0.000 description 2
- 201000008450 Intracranial aneurysm Diseases 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000036770 blood supply Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 206010008132 Cerebral thrombosis Diseases 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 208000000386 Hypertensive Intracranial Hemorrhage Diseases 0.000 description 1
- 201000001429 Intracranial Thrombosis Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 208000032851 Subarachnoid Hemorrhage Diseases 0.000 description 1
- 208000001435 Thromboembolism Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001627 cerebral artery Anatomy 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 230000010102 embolization Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 210000002460 smooth muscle Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Landscapes
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model provides a stent which is of a net-pipe-shaped structure woven through multiple metal wires. The metal wires in the middle of the stent are woven into a dense net structure, the metal wires at the two ends of the stent are woven into sparse net structures, the dense net structure is woven through multiple metal single wires in a staggered mode, the sparse net structures are woven through multiple strands of double-wires in a staggered mode, and each double-wire is formed by two parallel metal single wires. The stent with different density structures is implanted into a diseased blood vessel, the hemodynamic features at an arterial aneurysm mouth can be changed by the dense net structure in the middle, blood flow in an arterial aneurysm is detained to form blood clots and organization solid objects, thus the arterial aneurysm can shrunk gradually and heal, the sparse net structures at the two ends of the stent cannot block branch blood vessels nearby the arterial aneurysm, blood flow is made to be smooth, and the risk of triggering complications due to blocking of branch arteries is avoided.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of support.
Background technology
Because disease, damage or the factor such as congenital cause the weakness of vascular part, under the impact of long-term blood flow, weak spot can be outwards outstanding, and expansion gradually forms the cryptomere bulging of circular, ellipse or prismatic.As aneurysm, due to pathological changes or the damage of arterial wall, form the performance of arterial wall limitation or diffusivity expansion or bulging.Intracranial aneurysm mostly is the abnormal bulging occurring on entocranial artery tube wall, is the first cause of disease that causes subarachnoid hemorrhage, in cerebrovascular accident, is only second to cerebral thrombosis and hypertensive cerebral hemorrhage, occupies the 3rd.The thickness of cerebral arteries tube wall be other positions of health with 2/3 of caliber tremulous pulse, inorganizable support around, but the blood flow bearing is large, especially at Artery bifurcation.Tube wall middle level lacks elastic fibers, and smooth muscle is less, and due to hemodynamics aspect, furcation is vulnerable to again impact most, and this is maximum with clinical discovery furcation aneurysm, outstanding to blood flow impact direction is consistent.
The usual method of aneurysm treatment comprises: 1. surgical clamp is closed aneurysm, by operation of opening cranium, uses metal clip sub-folder to close aneurysm neck; 2. intravascular Interventional Treatment, utilization can be shirked turn (or micro-metallic coil or other embolism materials as releasable sacculus, curable liquid etc.) thromboembolism aneurysm; 3. intravascular Interventional Treatment support.
Because surgical operation is dangerous large, risk is high, mainly take now Wicresoft's interventional therapy as main.Microcoils intervene operation can arrive the arteriocerebral aneurysm pathological changes of tortuous complexity, and stops blood flow to impact by the filling in tumor chamber, yet this filling has the aneurysm of expansion to make its risk of breaking, and has near the blood vessel of occupy-place effect compressing.Close net braided support, can arrive target lesion through tortuous very thin cerebrovascular, and complies with tortuous blood vessel maintenance intravascular space passage.This support has high density mesh, can significantly change in aneurysm blood flow and flow and it is detained form blood clot and machine solids, but the use of close net support is easy to stop up near branch vessel, causes the risk of blood supply deficiency.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of support, for solving the use of the close net support of prior art, stops up near branch vessel aneurysm, causes the risk of blood supply deficiency.
For achieving the above object and other relevant objects, this utility model provides a kind of support: described support is the net tubular structure being formed by some one metal wire braidings, the metal wire knitted of the mid portion of described support becomes close web frame, the metal wire knitted at the two ends of described support becomes to dredge web frame, described close web frame is that the some interlaced braidings of metal monofilament form, two of described thin web frame employings row metal monofilaments become mariages, and the some bursts of interlaced braidings of mariages form.
According to this utility model one preferred embodiment, the mid portion of described support is consistent with the tinsel quantity at two ends.
Further, described quantity wiry is 4～108.Preferably, described quantity wiry is 8～72.Preferred, described quantity wiry is 16～64.
Further, on the central axis direction of described support, metal coverage rate remains unchanged.
Further, described metal coverage rate is 8%～80%.Preferably, described metal coverage rate is 20%～60%.Preferred, described metal coverage rate is 35%～45%.
Further, the material that comprises 1～8 one metal wire in the mid portion of described support and the tinsel at two ends is radiopaque material, is selected from one or more the alloy in platinum group metal, rhenium, tungsten, tantalum, gold or silver.
Further, in the mid portion of described support and the tinsel at two ends, include the tinsel that material is rustless steel, cobalt-base alloys or superelastic nickel titanium alloy.
Further, described wire diameter is 0.0001 inch～0.008 inch.Preferably, described wire diameter is 0.001 inch～0.003 inch.
Compared with prior art, the beneficial effect of support provided by the utility model is:
By the metal wire knitted of the mid portion of support is become to close web frame, the metal wire knitted at two ends becomes to dredge web frame, the support that density structure is different is implanted to lesion vessels, the close web frame of mid portion can change the hemodynamics at aneurysm mouth place, make blood flow in aneurysm be detained formation blood clot and machine solids, thereby make aneurysm dwindle gradually and heal, the thin web frame at support two ends can not stop up near the branch vessel of aneurysm simultaneously, make blood flow unobstructed, avoid blocking the risk that bifurcated artery causes complication.
Accompanying drawing explanation
The structural representation of the support that Fig. 1 provides for this utility model one embodiment.
The schematic diagram of the metal wire knitted structural change that Fig. 2 provides for this utility model one embodiment
The support that Fig. 3 provides for this utility model one embodiment is implanted the schematic diagram after lesion vessels.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.When this utility model embodiment is described in detail in detail, for convenience of explanation, schematic diagram disobeys that general ratio is local amplifies, and should not using this as to restriction of the present utility model.
Support of the present utility model can be widely used in multiple fields; be particularly useful for various medical devices technical field; the described stent applications of take is below illustrated in intracranial aneurysm as example; certainly this utility model is not limited to this specific embodiment, and the known general replacement of one of ordinary skilled in the art is encompassed in protection domain of the present utility model undoubtedly.
Please refer to Fig. 1, the structural representation of the support that it provides for this utility model one embodiment, as shown in Figure 1, described support is the net tubular structure being formed by some one metal wire braidings, the metal wire knitted of the mid portion 101 of described support becomes close web frame, and the two ends 102 of described support become to dredge web frame with 103 metal wire knitted.
In the present embodiment, the two ends 102 and 103 of described support are two one metal wires behavior mariages, and some strands of mariages are interlaced is woven into thin web frame, and to be that some monofilament are interlaced be woven into close web frame to the mid portion 101 of described support, as shown in Figure 2.By the metal wire knitted of the mid portion of support 101 is become to close web frame, can change mobile its delay formation blood clot and the machine solids that make of blood flow in aneurysm; And support two ends 102 become to dredge web frame with 103 metal wire knitted, make blood smoothly by bifurcated artery, avoid stopping up the risk that bifurcated artery causes complication.
In the present embodiment, described support mid portion 101 is consistent with the quantity wiry of two ends 102 and 103, described quantity wiry is 4～108, preferably 8～72, be more preferably 16～48, for example: 16,24,32,40,48, the best is 24, in other embodiments, described support mid portion 101 can be not identical with the quantity wiry of two ends 102 and 103 yet.
Please continue to refer to Fig. 1, in described carriage center axle x direction, metal coverage rate remains unchanged, concrete, and in the net tubular structure that described tinsel forms, in x direction, plated area remains unchanged always; Described metal coverage rate is 8%～80%, preferably 20%～60%, be more preferably 35%～45%, for example: 35%, 40%, 45%, the best is 40%.The mid portion 101 of described support is 0.0001 inch～0.008 inch with the wire diameter of two ends 102 and 103, and preferably 0.001 inch～0.003 inch, for example 0.001 inch, 0.002 inch, 0.003 inch, the best is 0.002 inch.
In this utility model preferred embodiment, described support mid portion 101 has good biocompatibility with the tinsel of two ends 102 and 103, playing the aneurysmal while for the treatment of, human body is not had any impact, in support mid portion 101 and two ends 102 and 103, all having 1～8 one metal wire is platinum wire, for example: 1,2,4,6,8, the best is 4, help the support location of developing in release, with this, guarantee that support can implant lesion vessels accurately, make close web frame just in time corresponding to angiomatous position; All the other materials wiry include but not limited to rustless steel, tantalum, cobalt-base alloys, superelastic nickel titanium alloy or cochrome, the first superelastic nickel titanium alloy preferably, the second cochrome preferably; In other embodiments, also can use other materials well known by persons skilled in the art.
The support of described net tubular structure is made on rustless steel plug by braider, the diameter of rustless steel plug is 0.1mm～10mm, 1mm～6mm preferably, the manufacture method of described support is: the mode that adopts segmentation braiding, in x direction, quantity wiry remains unchanged, to be that some monofilament are interlaced be woven into close web frame to mid portion, and two ends are two one metal wires behavior mariages, and some strands of mariages are interlaced is woven into thin web frame; Then woven support is put into vacuum heat treatment furnace together with rustless steel plug and carry out thermal finalization processing, then take out support and rustless steel plug.
Please refer to Fig. 3, its support providing for this utility model one embodiment is implanted the schematic diagram after lesion vessels.As shown in Figure 3, on arteries 10, be formed with aneurysm 13, on the arteries 10 of aneurysm 13 both sides, have bifurcated artery 11 and 12, after support is implanted to arteries 10, the close web frame of mid portion 101 is over against answering hemangioma 13, for supporting or block the embolization material in aneurysm 13, simultaneously because network structure is closeer, can change mobile its delay formation blood clot and the machine solids that make of blood flow in aneurysm 13, make aneurysm 13 reduce gradually and heal; Meanwhile, the two ends 102 and 103 of support are arranged in the arteries 10 at hemangioma 13 two ends, and its network structure is thinner, and the bifurcated artery 11 and 12 that can not exist hemangioma adnexa results in blockage, and can make blood smoothly by bifurcated artery 11 and 12.
In sum, by the metal wire knitted of the mid portion of support is become to close web frame, the metal wire knitted at two ends becomes to dredge web frame, be there is to different supports in density structure and implant lesion vessels, the close web frame of mid portion can change the hemodynamics at aneurysm mouth place, make blood flow in aneurysm be detained formation blood clot and machine solids, thereby make aneurysm dwindle gradually and heal, the thin web frame at support two ends can not stop up near the branch vessel of aneurysm simultaneously, make blood flow unobstructed, avoid blocking the risk that bifurcated artery causes complication.
The length of described support and the mid portion of support decide according to different application scenarios from the ratio at two ends, for example, the two ends of support respectively account for 10 of stent length, the mid portion of support accounts for 80 percent of stent length, concrete, if the length of support is 50mm, the two ends of support are respectively 10mm, and the mid portion of support is 40mm.In concrete application, need to determine according to physical conditions such as aneurysmal size, the aneurysmal length of bifurcated artery distance.
Be understandable that, " close web frame " described in literary composition and " dredging web frame " is comparatively speaking, and described close web frame is closeer with respect to described its mesh of thin web frame, and described thin web frame is thinner with respect to described its mesh of close web frame.
Foregoing description is only the description to this utility model preferred embodiment; the not any restriction to this utility model scope; any change, modification that the those of ordinary skill in this utility model field is done according to above-mentioned disclosure, all belong to the protection domain of claims.
Claims (13)
1. a support, described support is the net tubular structure being formed by some one metal wire braidings, it is characterized in that, the metal wire knitted of the mid portion of described support becomes close web frame, the metal wire knitted at the two ends of described support becomes to dredge web frame, described close web frame is that the some interlaced braidings of metal monofilament form, and two of described thin web frame employings row metal monofilaments become mariages, and the some bursts of interlaced braidings of mariages form.
2. support as claimed in claim 1, is characterized in that, the mid portion of described support is consistent with the tinsel quantity at two ends.
3. support as claimed in claim 2, is characterized in that, described quantity wiry is 4～108.
4. support as claimed in claim 3, is characterized in that, described quantity wiry is 8～72.
5. support as claimed in claim 4, is characterized in that, described quantity wiry is 16～64.
6. support as claimed in claim 1, is characterized in that, on the central axis direction of described support, metal coverage rate remains unchanged.
7. support as claimed in claim 6, is characterized in that, described metal coverage rate is 8%～80%.
8. support as claimed in claim 7, is characterized in that, described metal coverage rate is 20%～60%.
9. support as claimed in claim 8, is characterized in that, described metal coverage rate is 35%～45%.
10. support as claimed in claim 1, it is characterized in that, the material that comprises 1～8 one metal wire in the mid portion of described support and the tinsel at two ends is radiopaque material, is selected from one or more the alloy in platinum group metal, rhenium, tungsten, tantalum, gold or silver.
11. supports as claimed in claim 1, is characterized in that, in the mid portion of described support and the tinsel at two ends, including material is the tinsel of rustless steel, cobalt-base alloys or superelastic nickel titanium alloy.
12. supports as described in any one in claim 1 to 11, is characterized in that, described diameter wiry is 0.0001 inch～0.008 inch.
13. supports as described in any one in claim 1 to 11, is characterized in that, described diameter wiry is 0.001 inch～0.003 inch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303789.3U CN203885667U (en) | 2014-06-06 | 2014-06-06 | Stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303789.3U CN203885667U (en) | 2014-06-06 | 2014-06-06 | Stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203885667U true CN203885667U (en) | 2014-10-22 |
Family
ID=51712123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420303789.3U Expired - Lifetime CN203885667U (en) | 2014-06-06 | 2014-06-06 | Stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203885667U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105867A (en) * | 2015-07-16 | 2015-12-02 | 东华大学 | Integrally-molded woven blood vessel covered stent and preparation method thereof |
| CN106491174A (en) * | 2016-12-20 | 2017-03-15 | 北京久事神康医疗科技有限公司 | A kind of callable blood flow guider |
| CN109771097A (en) * | 2019-03-11 | 2019-05-21 | 北京航空航天大学 | Manpower intervention type aortic valve stent with the variation of radial support power |
| CN109893305A (en) * | 2019-04-16 | 2019-06-18 | 南京医科大学附属逸夫医院 | A kind of tissue engineering bracket with subregion |
| CN110664522A (en) * | 2018-06-15 | 2020-01-10 | 苏州茵络医疗器械有限公司 | Stent for implantation into a blood vessel |
| CN110934621A (en) * | 2019-12-10 | 2020-03-31 | 贺迎坤 | Degradable blood flow guiding device |
| CN111887925A (en) * | 2020-09-04 | 2020-11-06 | 江苏暖阳医疗器械有限公司 | Novel close net support |
| US11071551B2 (en) | 2017-08-17 | 2021-07-27 | Incumedx, Inc. | Flow attenuation device |
| CN113367864A (en) * | 2020-03-09 | 2021-09-10 | 微创神通医疗科技（上海）有限公司 | Medical braided stent |
| CN113633433A (en) * | 2021-10-15 | 2021-11-12 | 微创神通医疗科技（上海）有限公司 | Vascular implant |
| CN113648013A (en) * | 2021-08-25 | 2021-11-16 | 心凯诺医疗科技(上海)有限公司 | Close net support of blood flow direction |
| CN113876466A (en) * | 2021-09-16 | 2022-01-04 | 周玉斌 | Sacculus expansion type absorbable venous stent |
| WO2022007282A1 (en) * | 2020-07-06 | 2022-01-13 | 上海启功医疗科技有限公司 | Axially compressible and stretchable bare stent |
| WO2022007280A1 (en) * | 2020-07-06 | 2022-01-13 | 上海启功医疗科技有限公司 | Axially compressible bare stent |
| CN115153953A (en) * | 2022-09-08 | 2022-10-11 | 深圳市华和创微医疗科技有限公司 | Three-dimensional braided stent and manufacturing method |
| WO2022007279A3 (en) * | 2020-07-06 | 2022-11-24 | 上海启功医疗科技有限公司 | Stent delivery system for use in aorta |
| US11819215B2 (en) | 2018-04-04 | 2023-11-21 | Incumedx Inc. | Embolic device with improved neck coverage |
-
2014
- 2014-06-06 CN CN201420303789.3U patent/CN203885667U/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105867A (en) * | 2015-07-16 | 2015-12-02 | 东华大学 | Integrally-molded woven blood vessel covered stent and preparation method thereof |
| CN106491174A (en) * | 2016-12-20 | 2017-03-15 | 北京久事神康医疗科技有限公司 | A kind of callable blood flow guider |
| US11911040B2 (en) | 2017-08-17 | 2024-02-27 | Arissa Medical, Inc. | Flow attenuation device |
| US11071551B2 (en) | 2017-08-17 | 2021-07-27 | Incumedx, Inc. | Flow attenuation device |
| EP3668417B1 (en) * | 2017-08-17 | 2022-10-05 | Arissa Medical, Inc. | Flow attenuation device |
| US11819215B2 (en) | 2018-04-04 | 2023-11-21 | Incumedx Inc. | Embolic device with improved neck coverage |
| CN110664522A (en) * | 2018-06-15 | 2020-01-10 | 苏州茵络医疗器械有限公司 | Stent for implantation into a blood vessel |
| CN109771097A (en) * | 2019-03-11 | 2019-05-21 | 北京航空航天大学 | Manpower intervention type aortic valve stent with the variation of radial support power |
| CN109893305A (en) * | 2019-04-16 | 2019-06-18 | 南京医科大学附属逸夫医院 | A kind of tissue engineering bracket with subregion |
| CN110934621A (en) * | 2019-12-10 | 2020-03-31 | 贺迎坤 | Degradable blood flow guiding device |
| CN113367864A (en) * | 2020-03-09 | 2021-09-10 | 微创神通医疗科技（上海）有限公司 | Medical braided stent |
| CN113367864B (en) * | 2020-03-09 | 2024-03-08 | 神途医疗科技(上海)有限公司 | Medical braided support |
| WO2022007282A1 (en) * | 2020-07-06 | 2022-01-13 | 上海启功医疗科技有限公司 | Axially compressible and stretchable bare stent |
| WO2022007280A1 (en) * | 2020-07-06 | 2022-01-13 | 上海启功医疗科技有限公司 | Axially compressible bare stent |
| JP7498810B2 (en) | 2020-07-06 | 2024-06-12 | シャンハイ フローダイナミクス メディカル テクノロジー カンパニー リミテッド | Aortic stent delivery system |
| WO2022007279A3 (en) * | 2020-07-06 | 2022-11-24 | 上海启功医疗科技有限公司 | Stent delivery system for use in aorta |
| CN111887925A (en) * | 2020-09-04 | 2020-11-06 | 江苏暖阳医疗器械有限公司 | Novel close net support |
| CN113648013A (en) * | 2021-08-25 | 2021-11-16 | 心凯诺医疗科技(上海)有限公司 | Close net support of blood flow direction |
| CN113876466A (en) * | 2021-09-16 | 2022-01-04 | 周玉斌 | Sacculus expansion type absorbable venous stent |
| CN113633433A (en) * | 2021-10-15 | 2021-11-12 | 微创神通医疗科技（上海）有限公司 | Vascular implant |
| CN115153953A (en) * | 2022-09-08 | 2022-10-11 | 深圳市华和创微医疗科技有限公司 | Three-dimensional braided stent and manufacturing method |
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