CN103356251B - Anchoring ball sac in coronary stent - Google Patents
Anchoring ball sac in coronary stent Download PDFInfo
- Publication number
- CN103356251B CN103356251B CN201310328934.3A CN201310328934A CN103356251B CN 103356251 B CN103356251 B CN 103356251B CN 201310328934 A CN201310328934 A CN 201310328934A CN 103356251 B CN103356251 B CN 103356251B
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- resilient bladder
- conduit
- sac
- coronary stent
- stent
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Abstract
The invention discloses an anchoring ball sac in a coronary stent, which comprises a hollow conduit; the outer wall of the front end of the conduit is provided with a first elastic ball sac; a liquid-injecting channel communicated with the first elastic bass sac is arranged in the conduit wall along the axial direction; and a plurality of bosses are arranged at the outer face of the first elastic ball sac. The using method comprises the steps of placing a guide wire into the far end of a coronary blood vessel by an already placed stent, and positioning the elastic ball sac at the front end of the conduit in the stent under the guide of the guide wire, wherein the outer end of the conduit is connected with a booster pump, and a developing agent is injected by the liquid-injecting channel to expand the elastic ball sac; and the bosses at the face of the bal sac can increase anchoring force, thus enhancing the ability of the coronary stent to pass through lesions such as torsion and calcification, better solving the technical problem that as the traditional coronary stent is poor in passing complicated lesions, the ball sac and the stent difficultly reach in place.
Description
Technical field
The present invention relates to a kind of medical assistive device, particularly a kind of anchoring device for fixing blood vessel.
Background technology
Percutantnoeus coronary intervention is inserted by balloon expandable and support and is removed the narrow of diseased region, is the effective ways for the treatment of coronary heart disease.And allow sacculus and support be that the basis of coronary intervention is with basic by diseased region, but for the complex lesions such as bifurcated of some serious distortion, calcification and wide-angle, apparatus is large by resistance, and sacculus and support cannot put in place, causing operative failure, is the difficult problem perplexing current calcification score.For this reason, the present inventor studies the new technique having invented sacculus grappling in a kind of support voluntarily, for the complexity needing multiple support to insert and bifurcated lesions, if generation sacculus and support are difficult to situation about passing through, the support intramedullary expansion that sacculus is being inserted can be sent into, temporarily fix arteria coronaria blood vessel, to increase the support force of guiding catheter or seal wire, effectively improve distortion, calcification, especially the property passed through of bifurcated lesions intervention apparatus.
For above-mentioned new interventional method, need to invent and be a kind ofly exclusively used in auxiliary device fixing for support intramedullary expansion, to increase the support force of guiding catheter, ensure passing through smoothly of intervention apparatus.
Summary of the invention
In view of this, the object of this invention is to provide anchoring balloon in a kind of coronary stent, by the mode of expanding stent, and then by vasodilation, then support is fixed, finally realize blood vessel and fix, increase the support force of guiding catheter, calcification score apparatus is passed through smoothly.
The object of the invention is to be realized by following technological means: anchoring balloon in a kind of coronary stent, comprise hollow conduit, the front end outer wall of described conduit arranges the first resilient bladder, axially arrange along conduit the reservoir channel be connected with the first resilient bladder in catheter wall, the appearance of described first resilient bladder arranges multiple projection; The outer wall of described conduit arranges the second resilient bladder be connected with reservoir channel near the first resilient bladder, the diameter of the second resilient bladder is greater than the diameter of the first resilient bladder; The appearance of the second resilient bladder arranges multiple projection; Sheathed for limiting the sleeve pipe that resilient bladder expands on described conduit.
Further, the two ends described conduit being positioned at the first resilient bladder arrange developing ring.
Further, the two ends described conduit being positioned at the second resilient bladder arrange developing ring.
Further, the diameter of described first resilient bladder is 2.5mm, and the diameter of the second resilient bladder is 3.0mm, and the length of the first resilient bladder, the second resilient bladder and sleeve pipe is 5mm.
Further, described developing ring is the platinum ring be made up of platinum material.
Further, the liquid outlet be communicated with reservoir channel in the first resilient bladder is near the front end of the first resilient bladder; The liquid outlet be communicated with reservoir channel in second resilient bladder is near the front end of the second resilient bladder.
Further, described projection is the salient point of diameter 0.1mm, and the spacing between each salient point is 0.5mm.
Beneficial effect of the present invention: anchoring balloon in coronary stent of the present invention, comprise hollow conduit, the front end outer wall of described conduit arranges the first resilient bladder, axially arrange along conduit the reservoir channel be connected with the first resilient bladder in catheter wall, the appearance of described first resilient bladder arranges multiple projection.Using method is: first seal wire is sent into blood vessel far-end by the support of having inserted, under seal wire guides, the resilient bladder section of catheter proximal end is positioned (model according to support selects the first or second sacculus) in support, catheter body outer end connects force (forcing) pump, developing agent is injected by reservoir channel, make resilient bladder expand grappling and live support, and the projection of balloon surface can through the mesh increase frictional force each other of intravascular stent, can by calcification score apparatus smoothly by the complex lesions position of blood vessel while blood vessel is fixed, carry out intervene operation, preferably resolve the technical barrier of the past complex lesions position by property difference.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation of anchoring balloon in coronary stent of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in detail, as shown in the figure: anchoring balloon in the coronary stent of the present embodiment, comprise hollow conduit 1, the front end outer wall of described conduit 1 arranges the first resilient bladder 2, axially arrange along conduit the reservoir channel 3 be connected with the first resilient bladder 2 in catheter wall, the appearance of described first resilient bladder 2 arranges multiple protruding 4.Described protruding 4 is the salient point of diameter 0.1mm, and be distributed on balloon surface, the spacing between each salient point is 0.5mm.Using method is: first seal wire is sent into blood vessel far-end by the support of having inserted, under seal wire guides, first of catheter proximal end or second resilient bladder section is positioned in support, catheter body outer end connects force (forcing) pump, developing agent is injected by reservoir channel, make resilient bladder expand grappling and live support, and the projection of balloon surface is through the frictional force that can increase after the mesh of intravascular stent each other, can by calcification score apparatus smoothly by the complex lesions position of blood vessel while blood vessel is fixed, carry out intervene operation, preferably resolve the technical barrier of the past complex lesions position by property difference.
As the further improvement to technique scheme, the two ends described conduit 1 being positioned at the first resilient bladder 2 arrange developing ring 5, are specially the platinum ring be made up of platinum material.Technology maturity is high, and development effect is obvious, can determine the position of sacculus accurately, helps doctor to be positioned in intravascular stent by sacculus accurately, greatly improves the efficiency of operation and the accuracy of intubate.
As the further improvement to technique scheme, the outer wall of described conduit 1 arranges the second resilient bladder 6, second resilient bladder 6 be connected with reservoir channel 3 diameter near the first resilient bladder 2 is greater than the diameter of the first resilient bladder 2; The appearance of the second resilient bladder arranges multiple projection; Sheathed for limiting the sleeve pipe 7 that resilient bladder expands on described conduit 1.Particularly, the diameter of described first resilient bladder 2 under name pressure (needing the pressure obtained required for the inflating balloon diameter of tag identifier) is 2.5mm, the diameter of the second resilient bladder 6 under name pressure is 3.0mm, certainly can increase according to the increase of pressure; The internal diameter of sleeve pipe 7 is 0.025 inch, and the length of the first resilient bladder 2, second resilient bladder 6 and sleeve pipe 7 is 5mm.Certainly, the concrete data in the present embodiment are only optimum, as above-mentioned concrete numerical value and the present embodiment close to or within the scope of reasonable value, also form with the present invention and be equal to.Two even multiple resilient bladder are set, form multistage stairstepping; According to the size of intravascular stent and need the diameter of inflation to change, during use, sleeve pipe 7 can be slid into outer overlap of the resilient bladder not needing to expand and wrap up in, prevent from expanding during its topping up, only make target sacculus expand also grappling and live support; By that analogy, can select the sacculus of different-diameter, avoid repeatedly changing model and the inconvenience brought, practicality is stronger.
As the further improvement to technique scheme, the two ends described conduit 1 being positioned at the second resilient bladder 6 arrange developing ring.Be specially the platinum ring be made up of platinum material.Technology maturity is high, and development effect is obvious, can determine the position of sacculus accurately, helps doctor accurately sacculus to be put into intravascular stent, greatly improves the efficiency of operation and the accuracy of intubate.
As the further improvement to technique scheme, the liquid outlet be communicated with reservoir channel 3 in the first resilient bladder 2 is near the front end of the first resilient bladder; The liquid outlet be communicated with reservoir channel 3 in second resilient bladder 6 is near the front end of the second resilient bladder.Liquid outlet is arranged on the position near sacculus front end, be conducive to by the agent of sacculus interimage or filling liquid emptying in time, reduce the blocking blood flow time.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. anchoring balloon in a coronary stent, it is characterized in that: comprise hollow conduit (1), the front end outer wall of described conduit (1) arranges the first resilient bladder (2), axially arrange along conduit the reservoir channel (3) be connected with the first resilient bladder (2) in catheter wall, the appearance of described first resilient bladder (2) arranges multiple projection (4); The outer wall of described conduit (1) arranges the second resilient bladder (6) be connected with reservoir channel (3) near the first resilient bladder (2), the diameter of the second resilient bladder (6) is greater than the diameter of the first resilient bladder (2); The appearance of the second resilient bladder arranges multiple projection; Described conduit (1) is upper sheathed for limiting the sleeve pipe (7) that resilient bladder expands.
2. anchoring balloon in coronary stent according to claim 1, is characterized in that: the two ends described conduit (1) being positioned at the first resilient bladder (2) arrange developing ring (5).
3. anchoring balloon in coronary stent according to claim 1, is characterized in that: the two ends described conduit (1) being positioned at the second resilient bladder (6) arrange developing ring.
4. anchoring balloon in coronary stent according to claim 1, it is characterized in that: the diameter of described first resilient bladder (2) is 2.5mm, second resilient bladder (6) diameter is 3.0mm, and the length of the first resilient bladder (2), the second resilient bladder (6) and sleeve pipe (7) is 5mm.
5. anchoring balloon in coronary stent according to claim 2, is characterized in that: described developing ring (5) is the platinum ring be made up of platinum material.
6. anchoring balloon in coronary stent according to claim 1, is characterized in that: the liquid outlet be communicated with reservoir channel (3) in the first resilient bladder (2) is near the front end of the first resilient bladder; The liquid outlet be communicated with reservoir channel (3) in second resilient bladder (6) is near the front end of the second resilient bladder.
7. anchoring balloon in coronary stent according to claim 3, is characterized in that: the salient point that described projection (4) is diameter 0.1mm, and the spacing between each salient point is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328934.3A CN103356251B (en) | 2013-07-31 | 2013-07-31 | Anchoring ball sac in coronary stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328934.3A CN103356251B (en) | 2013-07-31 | 2013-07-31 | Anchoring ball sac in coronary stent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103356251A CN103356251A (en) | 2013-10-23 |
| CN103356251B true CN103356251B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310328934.3A Expired - Fee Related CN103356251B (en) | 2013-07-31 | 2013-07-31 | Anchoring ball sac in coronary stent |
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| CN (1) | CN103356251B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104524685B (en) * | 2015-02-03 | 2018-04-03 | 孙英贤 | A kind of foley's tube |
| US10765304B2 (en) * | 2015-09-28 | 2020-09-08 | Bio-Medical Engineering (HK) Limited | Endoscopic systems, devices, and methods for performing in vivo procedures |
| CN105771067A (en) * | 2016-03-29 | 2016-07-20 | 中国人民解放军第二军医大学 | Low limit contact type high-pressure balloon |
| CN105769279B (en) * | 2016-03-29 | 2018-10-23 | 中国人民解放军第二军医大学 | Buffer-type blocks sacculus |
| WO2018081239A1 (en) * | 2016-10-25 | 2018-05-03 | Gittard Shaun David | Vascular anchoring introducer sheath |
| CN106491252B (en) * | 2016-11-25 | 2018-03-27 | 徐泽升 | Coronary ostium support Precise Position System |
| CN106726040B (en) * | 2017-03-14 | 2018-12-18 | 重庆康华众联心血管病医院有限公司 | Bracket sacculus is set with luggage |
| CN107468295B (en) * | 2017-09-06 | 2024-05-07 | 何冀芳 | Working saccule catheter/microcatheter stress application support system and intervention conduction system |
| CN108784763B (en) * | 2017-10-10 | 2020-10-27 | 上海科赐医疗技术有限公司 | Curved balloon catheter retracting device and retracting method thereof |
| CN111359109B (en) * | 2020-03-16 | 2021-06-25 | 中南大学湘雅三医院 | Focused ultrasound treatment device |
| CN112274761B (en) * | 2020-10-09 | 2022-04-01 | 苏州法兰克曼医疗器械有限公司 | Pancreas intraductal drainage support for laparoscopic surgery instrument |
| CN114748227A (en) * | 2021-04-28 | 2022-07-15 | 聚辉医疗科技(深圳)有限公司 | Conveyor and blood flow guiding bracket system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066157A (en) * | 1998-09-16 | 2000-05-23 | Medtronics Ave, Inc. | Anchor joint for coaxial balloon dilatation catheter |
| US6162237A (en) * | 1999-04-19 | 2000-12-19 | Chan; Winston Kam Yew | Temporary intravascular stent for use in retrohepatic IVC or hepatic vein injury |
| CN2925510Y (en) * | 2006-07-13 | 2007-07-25 | 上海交通大学医学院附属新华医院 | Pylorus dilator during operation |
| CN201135683Y (en) * | 2007-11-07 | 2008-10-22 | 乐普（北京）医疗器械股份有限公司 | Conical saccule dilating catheter |
| CN202908884U (en) * | 2012-07-20 | 2013-05-01 | 易生科技(北京)有限公司 | Balloon catheter for abutting joint of multi-section outer tubes with different diameters |
| CN202777428U (en) * | 2012-08-23 | 2013-03-13 | 王希成 | Coronary artery balloon dilating catheter |
| CN203060560U (en) * | 2013-01-25 | 2013-07-17 | 湖南埃普特医疗器械有限公司 | Balloon catheter of PTCA (Percutaneous Transluminal Coronary Angioplasty) |
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2013
- 2013-07-31 CN CN201310328934.3A patent/CN103356251B/en not_active Expired - Fee Related
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| CN103356251A (en) | 2013-10-23 |
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