CN201431532Y - Coronary stent - Google Patents
Coronary stent Download PDFInfo
- Publication number
- CN201431532Y CN201431532Y CN 200920155600 CN200920155600U CN201431532Y CN 201431532 Y CN201431532 Y CN 201431532Y CN 200920155600 CN200920155600 CN 200920155600 CN 200920155600 U CN200920155600 U CN 200920155600U CN 201431532 Y CN201431532 Y CN 201431532Y
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- support
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- bar
- support bar
- connecting rod
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- Expired - Lifetime
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- 210000004351 coronary vessel Anatomy 0.000 claims description 32
- 239000003814 drug Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 210000003127 knee Anatomy 0.000 claims description 3
- 238000010147 laser engraving Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 3
- 231100000915 pathological change Toxicity 0.000 description 3
- 230000036285 pathological change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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Abstract
The utility model relates to a coronary stent. The coronary stent comprises more than five annular wave-form support bars as well as connecting bars connected at intervals among the support bars, wherein the support bars at two ends of the stent are 'Omega'-shaped waves; the connecting bar between the support bars at two ends and the adjacent support bars thereof is connected between two adjacent'Omega'-shaped wave crests; the support bar at the middle of the stent is formed by alternately connecting 'm'-shaped waves and 'Omega'-shaped waves; the connecting bar between the support bars of a second row and the support bars of a third row at a far end is connected between two adjacent 'm'-shaped wave bases; and the connecting bars between other support bars are connected between adjacent 'm'-shaped wave base and 'Omega'-shaped wave crest. By adoption of the structure, a novel coronary stent with excellent radial supporting force, axial force-transferring property and flexibility can beobtained.
Description
Technical field
This utility model belongs to a kind of intravascular stent of medical instruments field, particularly a kind of coronary artery bracket that is used for the treatment of coronary heart disease.
Background technology
The coronary stent art is a kind of novel Wicresoft's interventional therapeutic technique, this technology is that support is sent into pathological changes narrow positions in the arteria coronaria, by being pressurizeed, stent delivery system expands the metal rack of fenestral fabric, make bracket leg prop up narrow pathological changes arteria coronaria, thereby avoid blood vessel to narrow down once again effectively.
From the angle of clinical use, a kind of ideal coronary artery bracket design should take into full account metal coverage rate, compliance, radial support power, axial cripetura rate, axial transmission force property and key design parameters such as x ray and MRI visuality.Various supports in the market still can not be realized the radial support power of the perfect unity, particularly support of each technical specification, axial transmission force property and compliance aspect.
Summary of the invention
The purpose of this utility model is to provide a kind of novel coronary artery bracket, has solved the compliance of coronary artery bracket and radial support power, the contradiction between the transmission force property radially, realizes that the three takes into account, and meets clinical needs.
The technical scheme of this utility model technical solution problem is as follows:
A kind of coronary artery bracket, comprise the ring waveform support bar more than five, and the interval is connected in the connecting rod between this support bar, it is characterized in that: the support bar at described support both ends is " Ω " shape ripple, and the connecting rod that the two end supports bar is adjacent between the support bar is connected between two adjacent " Ω " shape wave crests; The support bar of described support mid portion alternately is formed by connecting by " m " and " Ω " shape ripple, connecting rod between far-end second row's support bar and the 3rd row's support bar is connected between two adjacent " m " shape wave bases, and the connecting rod between the remainder support bar is connected between adjacent " m " shape wave base and " Ω " shape wave crest.
Coronary artery bracket compliance of the present utility model is stronger, and radial support power is good, and axially transmission force property is good, and expansion has evenly reached the perfect unity of radial support power, axial transmission force property and compliance aspect.
Wherein, described " m " shape ripple adopts straight-bar, and the crest of " Ω " shape ripple and the bending part of trough adopt knee.
The width of above-mentioned support bar and connecting rod is different, and the width of described support both ends support bar is the thickest, and the width of all the other support bars takes second place, and the width of connecting rod is the thinnest.
Connecting rod shape between the support bar at support both ends and adjacent supports bar can be " n " shape, " s " shape, " v " shape, " w " shape or straight-bar, preferred " s " shape or straight-bar.
Connecting rod shape between far-end second row and the 3rd row's support bar can be " n " shape, " s " shape, " w " shape or straight-bar, preferred " n " shape or " s " shape.
Connecting rod shape between all the other support bars can be " n " shape, " s " shape, " w " shape or straight-bar, preferred " n " shape or " s " shape.
" n " shape of above-mentioned connecting rod shape can replace with the distortion of " n "; " s " shape of above-mentioned connecting rod shape can replace with the distortion of " s ".
Above-mentioned support can be the netted hollow out tubular body that processes through laser engraving, vacuum heat and electrochemical polish, does not prepare but do not get rid of other this areas processing method commonly used.Material preferentially adopts the L605 in the cochrome, but is not limited to this material.
The surface coverage of above-mentioned support has medication coat.
The external diameter that passes through that above-mentioned support has after pressing and holding is 1～1.05mm.
This utility model support is divided into two kinds of specifications according to strutting the back according to the diameter difference: path support and big footpath support.Diameter after the path support struts is 2.0～3.0mm, and the crest or the trough number of each support bar are 6 in the week; Diameter after big footpath support struts is 3.0～4.0mm, and the crest or the trough number of each support bar are 8 in the week.
The beneficial effects of the utility model are:
1, coronary artery bracket compliance of the present utility model is stronger, and radial support power is good, and axially transmission force property is good, and expansion has evenly reached the perfect unity of radial support power, axial transmission force property and compliance aspect.
2, " m " shape ripple of this utility model coronary artery bracket adopts straight-bar, helps reducing to press the external diameter that passes through after holding, and avoids pressing the touching and the extruding of holding between back support rod and the connecting rod, avoids damaging the medicine film.
3, the bending part of the crest of this utility model coronary artery bracket " Ω " shape ripple and trough adopts " Ω " shape, helps reducing stress concentration, improves the support life-span.
4, the width of the support bar of this utility model coronary artery bracket and connecting rod is different, helps reducing the overall metal coverage rate of support, local inflammation reaction and damage after having reduced to insert.
5, coronary artery bracket wall of the present utility model becomes thinner, press have after holding to pass through external diameter littler, have stronger trafficability characteristic and operability.
Description of drawings
Fig. 1 is the flat deployable structure sketch map of embodiment one coronary artery bracket;
Fig. 2 is " Ω " shape ripple enlarged drawing;
Fig. 3 is " m " shape ripple enlarged drawing;
Fig. 4 is the flat deployable structure sketch map of embodiment two coronary artery brackets;
Fig. 5 is the flat deployable structure sketch map of embodiment three coronary artery brackets;
Fig. 6 is the flat deployable structure sketch map of embodiment four coronary artery brackets;
Fig. 7 " n " first distortion;
Fig. 8 " n " second distortion;
Fig. 9 " n " the 3rd distortion;
Figure 10 " s " distortion.
The specific embodiment
Embodiment one: shown in accompanying drawing 1, a kind of coronary artery bracket, the support bar 1 that comprises the ring waveform more than five, and the interval is connected in the connecting rod 2 between this support bar 1, it is characterized in that: the support bar at described support both ends is " Ω " shape ripple 3, and the connecting rod that the two end supports bar is adjacent between the support bar is connected between two adjacent " Ω " shape wave crests; The support bar of described support mid portion alternately is formed by connecting by " Ω " shape ripple 3 and " m " shape ripple 4, connecting rod between far-end second row's support bar 21 and the 3rd row's support bar 22 is connected between two adjacent " m " shape wave bases, and the connecting rod between the remainder support bar is connected between adjacent " m " shape wave base and " Ω " shape wave crest.
The crest of described " Ω " shape ripple 3 and the bending part of trough adopt knee, as shown in Figure 2; " m " shape ripple 4 adopts straight-bar, as shown in Figure 3.
In this specific embodiment, the width of described support bar and connecting rod is different, and the width of described support both ends support bar is the thickest, and the width of all the other support bars takes second place, and the width of connecting rod is the thinnest.
The connecting rod that the support bar 21 at both ends and adjacent supports bar are 22 is shaped as " n " shape 5, and connecting rod and the connecting rod shape between all the other support bars between far-end second row's support bar 21 and the 3rd row's support bar 22 are " s " shape 6.This coronary artery bracket is the netted hollow out tubular body that processes through laser engraving, vacuum heat and electrochemical polish, and material adopts the L605 in the cochrome, but is not limited to this material.
The shape of described connecting rod " n " shape 5 can replace with Fig. 7, Fig. 8 or " n " distortion shown in Figure 9; The shape of described connecting rod " s " shape 6 can replace with " s " distortion shown in Figure 10.
In order effectively to treat the angiostenosis pathological changes, can also be at the surface coverage medication coat of support.
The external diameter that passes through that coronary artery bracket in the present embodiment has after pressing and holding is 1～1.05mm.
This utility model support is divided into two kinds of specifications according to the diameter difference after strutting: path support and big footpath support.Diameter after the path support struts is 2.0～3.0mm, and the crest or the trough number of each support bar are 6 in the week, shown in Fig. 1 left side; Diameter after big footpath support struts is 3.0～4.0mm, and the crest or the trough number of each support bar are 8 in the week, shown in Fig. 1 the right.
Embodiment two: shown in accompanying drawing 4, a kind of coronary artery bracket comprises the support bar 1 of the ring waveform more than five, and is connected in the connecting rod 2 between this support bar 1 at interval.Be with the different of embodiment one: the connecting rod between the support bar at both ends and adjacent supports bar is shaped as " s " shape 6, and connecting rod and the connecting rod between all the other support bars between far-end second row's support bar 21 and the 3rd row's support bar 22 are shaped as " s " shape 6.
Embodiment three: shown in accompanying drawing 5, a kind of coronary artery bracket comprises the support bar 1 of the ring waveform more than five, and is connected in the connecting rod 2 between this support bar 1 at interval.Be with the different of embodiment one: the connecting rod between the support bar at both ends and adjacent supports bar is shaped as straight-bar 7, and connecting rod and the connecting rod shape between all the other support bars between far-end second row's support bar 21 and the 3rd row's support bar 22 are " s " shape 6.
Embodiment four: shown in accompanying drawing 6, a kind of coronary artery bracket comprises the support bar 1 of the ring waveform more than five, and is connected in the connecting rod 2 between this support bar 1 at interval.Be with the different of embodiment one: connecting rod between the connecting rod between the support bar at both ends and adjacent supports bar, far-end second row's support bar 21 and the 3rd row's support bar 22 and the connecting rod shape between all the other support bars are straight-bar 7.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. coronary artery bracket, the support bar that comprises the ring waveform more than five, and the interval is connected in the connecting rod between this support bar, it is characterized in that: the support bar at described support both ends is " Ω " shape ripple, and the connecting rod that the two end supports bar is adjacent between the support bar is connected between two adjacent " Ω " shape wave crests; The support bar of described support mid portion alternately is formed by connecting by " m " and " Ω " shape ripple, connecting rod between far-end second row's support bar and the 3rd row's support bar is connected between two adjacent " m " shape wave bases, and the connecting rod between the remainder support bar is connected between adjacent " m " shape wave base and " Ω " shape wave crest.
2. a kind of coronary artery bracket as claimed in claim 1 is characterized in that: described " m " shape ripple adopts straight-bar, and the crest of " Ω " shape ripple and the bending part of trough adopt knee.
3. a kind of coronary artery bracket as claimed in claim 1 is characterized in that: the support bar at described support both ends and the connecting rod between the adjacent supports bar are shaped as " n " shape, " s " shape, " v " shape, " w " shape or straight-bar; Connecting rod between far-end second row and the 3rd row's support bar is shaped as " n " shape, " s " shape, " w " shape or straight-bar; Connecting rod between all the other support bars is shaped as " n " shape, " s " shape, " w " shape or straight-bar.
4. a kind of coronary artery bracket as claimed in claim 2 is characterized in that: the support bar at described support both ends and the connecting rod between the adjacent supports bar are shaped as " n " shape, " s " shape, " v " shape, " w " shape or straight-bar; Connecting rod between far-end second row and the 3rd row's support bar is shaped as " n " shape, " s " shape, " w " shape or straight-bar; Connecting rod between all the other support bars is shaped as " n " shape, " s " shape, " w " shape or straight-bar.
5. as the described a kind of coronary artery bracket of arbitrary claim in the claim 1 to 4, it is characterized in that: described support is the netted hollow out tubular body that processes through laser engraving, vacuum heat and electrochemical polish, and material adopts the L605 in the cochrome.
6. as the described a kind of coronary artery bracket of arbitrary claim in the claim 1 to 4, it is characterized in that: the surface coverage of described support has medication coat.
7. a kind of coronary artery bracket as claimed in claim 5 is characterized in that: the surface coverage of described support has medication coat.
8. as claim 1,2,3,4 or 7 described a kind of coronary artery brackets, it is characterized in that: described support struts the back and is divided into two kinds of specifications according to the diameter difference: path support or big footpath support; Diameter after described path support struts is 2.0～3.0mm, and the crest or the trough number of each support bar are 6 in the week; Diameter after described big footpath support struts is 3.0～4.0mm, and the crest or the trough number of each support bar are 8 in the week.
9. a kind of coronary artery bracket as claimed in claim 5 is characterized in that: described support struts the back and is divided into two kinds of specifications according to the diameter difference: path support or big footpath support; Diameter after described path support struts is 2.0～3.0mm, and the crest or the trough number of each support bar are 6 in the week; Diameter after described big footpath support struts is 3.0～4.0mm, and the crest or the trough number of each support bar are 8 in the week.
10. a kind of coronary artery bracket as claimed in claim 6 is characterized in that: described support struts the back and is divided into two kinds of specifications according to the diameter difference: path support or big footpath support; Diameter after described path support struts is 2.0～3.0mm, and the crest or the trough number of each support bar are 6 in the week; Diameter after described big footpath support struts is 3.0～4.0mm, and the crest or the trough number of each support bar are 8 in the week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920155600 CN201431532Y (en) | 2009-05-27 | 2009-05-27 | Coronary stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920155600 CN201431532Y (en) | 2009-05-27 | 2009-05-27 | Coronary stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201431532Y true CN201431532Y (en) | 2010-03-31 |
Family
ID=42050346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920155600 Expired - Lifetime CN201431532Y (en) | 2009-05-27 | 2009-05-27 | Coronary stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201431532Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167881A (en) * | 2015-09-17 | 2015-12-23 | 江苏大学 | Blood vessel stent resisting to longitudinal deformation |
| CN105796218A (en) * | 2016-03-08 | 2016-07-27 | 黄连军 | Covered stent |
| CN106236342A (en) * | 2016-08-23 | 2016-12-21 | 深圳市信立泰生物医疗工程有限公司 | A kind of implanted complete biological absorbable blood vessel polymer support |
| WO2018036434A1 (en) * | 2016-08-23 | 2018-03-01 | 深圳市信立泰生物医疗工程有限公司 | Implant-type, completely bioabsorbable, vascular polymer stent |
| CN108186175A (en) * | 2018-02-02 | 2018-06-22 | 青岛市中心医院 | A kind of novel and multifunctional Internal Medicine-Cardiovascular Dept. coronary artery bracket |
| CN110680578A (en) * | 2019-10-29 | 2020-01-14 | 北京理工大学 | Split combined intracavity repair instrument |
-
2009
- 2009-05-27 CN CN 200920155600 patent/CN201431532Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167881A (en) * | 2015-09-17 | 2015-12-23 | 江苏大学 | Blood vessel stent resisting to longitudinal deformation |
| CN105167881B (en) * | 2015-09-17 | 2018-06-01 | 江苏大学 | A kind of intravascular stent with resisting longitudinal deformation |
| CN105796218A (en) * | 2016-03-08 | 2016-07-27 | 黄连军 | Covered stent |
| CN106236342A (en) * | 2016-08-23 | 2016-12-21 | 深圳市信立泰生物医疗工程有限公司 | A kind of implanted complete biological absorbable blood vessel polymer support |
| WO2018036434A1 (en) * | 2016-08-23 | 2018-03-01 | 深圳市信立泰生物医疗工程有限公司 | Implant-type, completely bioabsorbable, vascular polymer stent |
| CN109640882A (en) * | 2016-08-23 | 2019-04-16 | 深圳市信立泰生物医疗工程有限公司 | A kind of complete biological absorbable blood vessel polymer support of implanted |
| CN109640882B (en) * | 2016-08-23 | 2021-03-26 | 深圳市信立泰生物医疗工程有限公司 | Implantable completely-bioabsorbable intravascular polymer stent |
| CN106236342B (en) * | 2016-08-23 | 2024-04-30 | 深圳信立泰医疗器械股份有限公司 | Implantable complete biological absorbable vascular polymer stent |
| CN108186175A (en) * | 2018-02-02 | 2018-06-22 | 青岛市中心医院 | A kind of novel and multifunctional Internal Medicine-Cardiovascular Dept. coronary artery bracket |
| CN110680578A (en) * | 2019-10-29 | 2020-01-14 | 北京理工大学 | Split combined intracavity repair instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Baoan District Xixiang street Shenzhen city Guangdong province 518102 115 City District 1 factories Patentee after: Shenzhen Xinlitai Biological Medical Engineering Co., Ltd. Address before: 1901 room 6007, exhibition center, 518040 Shennan Road, Guangdong, Shenzhen, Futian District Patentee before: Shenzhen Xinlitai Biological Medical Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100331 |