CN103356251A - Anchoring ball sac in coronary stent - Google Patents
Anchoring ball sac in coronary stent Download PDFInfo
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- CN103356251A CN103356251A CN2013103289343A CN201310328934A CN103356251A CN 103356251 A CN103356251 A CN 103356251A CN 2013103289343 A CN2013103289343 A CN 2013103289343A CN 201310328934 A CN201310328934 A CN 201310328934A CN 103356251 A CN103356251 A CN 103356251A
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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 for the fixing anchoring device of blood vessel.
Background technology
Coronary artery is got involved by balloon expandable and support and is inserted the narrow of releasing diseased region, is the effective ways for the treatment of coronary heart disease.And allow sacculus and the support be the basis of coronary intervention and 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 can't put in place, causing operative failure, is the difficult problem that the present arteria coronaria of puzzlement is got involved.For this reason, the inventor studies the new technique of having invented sacculus grappling in a kind of support voluntarily, complexity and the bifurcated lesions of inserting for a plurality of supports of needs, if the situation that sacculus and support are difficult to pass through occurs, can send into sacculus at the support intramedullary expansion of having inserted, temporarily fix the arteria coronaria blood vessel, to increase the support force of guiding catheter or seal wire, distortion, calcification have effectively been improved, especially the trafficability characteristic of bifurcated lesions intervention apparatus.
For above-mentioned new interventional method, need a kind of auxiliary device that the support intramedullary expansion is fixed that is exclusively used in of invention, to increase the support force of guiding catheter, guarantee passing through smoothly of intervention apparatus.
Summary of the invention
In view of this, the purpose of this invention is to provide grappling sacculus in a kind of coronary stent, by the mode of expanding stent, and then with vasodilation, again support is fixed, realize that finally blood vessel fixes, increase the support force of guiding catheter, the arteria coronaria intervention apparatus is passed through smoothly.
The objective of the invention is to realize by following technological means: grappling sacculus in a kind of coronary stent, comprise hollow conduit, the front end outer wall of described conduit arranges the first resilient bladder, along catheter shaft to the reservoir channel that is connected with the first resilient bladder is set, the appearance of described the first resilient bladder arranges a plurality of projections in the catheter wall.
Further, the two ends that are positioned at the first resilient bladder on the described conduit arrange developing ring.
Further, the second resilient bladder that the outer wall of described conduit is connected with reservoir channel near the first resilient bladder setting, 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 a plurality of projections; Sheathed sleeve pipe for the expansion of restriction resilient bladder on the described conduit.
Further, the two ends that are positioned at the second resilient bladder on the described conduit arrange developing ring.
Further, the diameter of described the 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, the platinum ring of described developing ring for being made by the platinum material.
Further, the liquid outlet that is communicated with reservoir channel in the first resilient bladder is near the front end of the first resilient bladder; The liquid outlet that is communicated with reservoir channel in the 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: grappling sacculus in the coronary stent of the present invention, comprise hollow conduit, the front end outer wall of described conduit arranges the first resilient bladder, along catheter shaft to the reservoir channel that is connected with the first resilient bladder is set, the appearance of described the first resilient bladder arranges a plurality of projections in the catheter wall.Using method is: first seal wire is sent into the 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 is selected the first or second sacculus) in the support, the catheter body outer end connects force (forcing) pump, inject developing agent by reservoir channel, make resilient bladder expansion grappling live support, and the projection of balloon surface can be passed the mesh increase frictional force each other of intravascular stent, the arteria coronaria intervention apparatus can be passed through smoothly the complex lesions position of blood vessel when blood vessel is fixing, carry out intervene operation, preferably resolve the previously poor technical barrier of complex lesions position trafficability characteristic.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of grappling sacculus in the coronary stent of the present invention.
The specific embodiment
The present invention is described in detail below with reference to accompanying drawing, as shown in the figure: grappling sacculus in the coronary stent of present embodiment, comprise hollow conduit 1, the front end outer wall of described conduit 1 arranges the first resilient bladder 2, along catheter shaft to the reservoir channel 3 that is connected with the first resilient bladder 2 is set, the appearance of described the first resilient bladder 2 arranges a plurality of protruding 4 in the catheter wall.Described protruding 4 is the salient point of diameter 0.1mm, is distributed on balloon surface, and the spacing between each salient point is 0.5mm.Using method is: first seal wire is sent into the blood vessel far-end by the support of having inserted, under seal wire guides, the first or second resilient bladder section of catheter proximal end is positioned in the support, the catheter body outer end connects force (forcing) pump, inject developing agent by reservoir channel, make resilient bladder expansion grappling live support, and the projection of balloon surface is passed the frictional force that can increase behind the mesh of intravascular stent each other, the arteria coronaria intervention apparatus can be passed through smoothly the complex lesions position of blood vessel when blood vessel is fixing, carry out intervene operation, preferably resolve the previously poor technical barrier of complex lesions position trafficability characteristic.
As to further improvement in the technical proposal, the two ends that are positioned at the first resilient bladder 2 on the described conduit 1 arrange developing ring 5, are specially the platinum ring of being made by the platinum material.Technology maturity is high, and development effect is obvious, can determine accurately the position of sacculus, helps the doctor accurately sacculus to be positioned in the intravascular stent, greatly improves the efficient of operation and the accuracy of intubate.
As to further improvement in the technical proposal, the outer wall of described conduit 1 arranges the diameter of the second resilient bladder 6, the second resilient bladder 6 that are connected with reservoir channel 3 greater than the diameter of the first resilient bladder 2 near the first resilient bladder 2; The appearance of the second resilient bladder arranges a plurality of projections; Sheathed sleeve pipe 7 for the expansion of restriction resilient bladder on the described conduit 1.Particularly, the diameter of described the first resilient bladder 2 under name pressure (needing to obtain the needed pressure of 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, the second resilient bladder 6 and sleeve pipe 7 is 5mm.Certainly, the concrete data in the present embodiment only are optimum, approach or in the reasonable value scope such as above-mentioned concrete numerical value and present embodiment, also consist of with the present invention to be equal to.Two even a plurality of resilient bladder are set, form multistage stairstepping; According to the size of intravascular stent and the vary in diameter of needs inflation, during use, sleeve pipe 7 can be slid into outside the resilient bladder that does not need to expand its cover is wrapped up in, expand when preventing its topping up, only make the 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 that brings, practicality is stronger.
As to further improvement in the technical proposal, the two ends that are positioned at the second resilient bladder 6 on the described conduit 1 arrange developing ring.Be specially the platinum ring of being made by the platinum material.Technology maturity is high, and development effect is obvious, can determine accurately the position of sacculus, helps the doctor accurately sacculus to be put into intravascular stent, greatly improves the efficient of operation and the accuracy of intubate.
As to further improvement in the technical proposal, the front end of close the first resilient bladder of liquid outlets that is communicated with reservoir channel 3 in the first resilient bladder 2; The liquid outlet that is communicated with reservoir channel 3 in the second resilient bladder 6 is near the front end of the second resilient bladder.Liquid outlet is arranged on position near the sacculus front end, is conducive to the agent of sacculus interimage or filling liquid in time emptyingly, reduce the blocking blood flow time.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. grappling sacculus in the 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), along catheter shaft to the reservoir channel (3) that is connected with the first resilient bladder (2) is set, the appearance of described the first resilient bladder (2) arranges a plurality of projections (4) in the catheter wall.
2. grappling sacculus in the coronary stent according to claim 1, it is characterized in that: the two ends that are positioned at the first resilient bladder (2) on the described conduit (1) arrange developing ring (5).
3. grappling sacculus in the coronary stent according to claim 1 and 2, it is characterized in that: the second resilient bladder (6) that the outer wall of described conduit (1) is connected with reservoir channel (3) near the first resilient bladder (2) setting, 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 a plurality of projections; The upper sheathed sleeve pipe (7) for the expansion of restriction resilient bladder of described conduit (1).
4. grappling sacculus in the coronary stent according to claim 3, it is characterized in that: the two ends that are positioned at the second resilient bladder (6) on the described conduit (1) arrange developing ring.
5. grappling sacculus in the coronary stent according to claim 3, it is characterized in that: the diameter of described the first resilient bladder (2) is 2.5mm, the 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.
6. grappling sacculus in the coronary stent according to claim 2 is characterized in that: the platinum ring of described developing ring (5) for being made by the platinum material.
7. grappling sacculus in the coronary stent according to claim 3 is characterized in that: the front end of close the first resilient bladder of the liquid outlet that is communicated with reservoir channel (3) in the first resilient bladder (2); The liquid outlet that is communicated with reservoir channel (3) in the second resilient bladder (6) is near the front end of the second resilient bladder.
8. grappling sacculus in the coronary stent according to claim 1, it is characterized in that: described projection (4) is the salient point of diameter 0.1mm, 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 |
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| Publication Number | Publication Date |
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| CN103356251A true CN103356251A (en) | 2013-10-23 |
| CN103356251B CN103356251B (en) | 2015-05-13 |
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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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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524685A (en) * | 2015-02-03 | 2015-04-22 | 孙英贤 | Balloon catheter |
| 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 |
| CN105769279A (en) * | 2016-03-29 | 2016-07-20 | 中国人民解放军第二军医大学 | Buffer type blocking balloon |
| CN105832279A (en) * | 2015-09-28 | 2016-08-10 | 香港生物医学工程有限公司 | Endoscope system, device and method for executing physiological disposition |
| CN106491252A (en) * | 2016-11-25 | 2017-03-15 | 徐泽升 | Coronary ostium support Precise Position System |
| CN106726040A (en) * | 2017-03-14 | 2017-05-31 | 重庆康华众联心血管病医院有限公司 | Support sacculus is put with luggage |
| CN107468295A (en) * | 2017-09-06 | 2017-12-15 | 何冀芳 | Work foley's tube/microtubular reinforcing support system and intervention conducting system |
| CN108784763A (en) * | 2017-10-10 | 2018-11-13 | 上海科库医疗技术有限公司 | It is bent ductus bursae pull device and its retracts method |
| CN110799236A (en) * | 2016-10-25 | 2020-02-14 | 玛芬股份有限公司 | Vascular anchoring introducer sheath |
| CN111359109A (en) * | 2020-03-16 | 2020-07-03 | 中南大学湘雅三医院 | Focused ultrasound treatment device and method thereof |
| CN112274761A (en) * | 2020-10-09 | 2021-01-29 | 苏州法兰克曼医疗器械有限公司 | Pancreas intraductal drainage support for laparoscopic surgery instrument |
| CN113208791A (en) * | 2021-04-28 | 2021-08-06 | 聚辉医疗科技(深圳)有限公司 | Conveyor and blood flow guiding bracket system |
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| 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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| EP0987045A2 (en) * | 1998-09-16 | 2000-03-22 | Medtronic Ave, Inc. | Improved 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 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524685A (en) * | 2015-02-03 | 2015-04-22 | 孙英贤 | Balloon catheter |
| CN105832279A (en) * | 2015-09-28 | 2016-08-10 | 香港生物医学工程有限公司 | Endoscope system, device and method for executing physiological disposition |
| 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 |
| CN105769279A (en) * | 2016-03-29 | 2016-07-20 | 中国人民解放军第二军医大学 | Buffer type blocking balloon |
| CN110799236A (en) * | 2016-10-25 | 2020-02-14 | 玛芬股份有限公司 | Vascular anchoring introducer sheath |
| CN106491252B (en) * | 2016-11-25 | 2018-03-27 | 徐泽升 | Coronary ostium support Precise Position System |
| CN106491252A (en) * | 2016-11-25 | 2017-03-15 | 徐泽升 | Coronary ostium support Precise Position System |
| CN106726040A (en) * | 2017-03-14 | 2017-05-31 | 重庆康华众联心血管病医院有限公司 | Support sacculus is put with luggage |
| CN107468295A (en) * | 2017-09-06 | 2017-12-15 | 何冀芳 | Work foley's tube/microtubular reinforcing support system and intervention conducting system |
| CN108784763A (en) * | 2017-10-10 | 2018-11-13 | 上海科库医疗技术有限公司 | It is bent ductus bursae pull device and its retracts method |
| 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 |
| CN111359109A (en) * | 2020-03-16 | 2020-07-03 | 中南大学湘雅三医院 | Focused ultrasound treatment device and method thereof |
| CN112274761A (en) * | 2020-10-09 | 2021-01-29 | 苏州法兰克曼医疗器械有限公司 | Pancreas intraductal drainage support for laparoscopic surgery instrument |
| 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 |
| CN113208791A (en) * | 2021-04-28 | 2021-08-06 | 聚辉医疗科技(深圳)有限公司 | Conveyor and blood flow guiding bracket system |
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| Publication number | Publication date |
|---|---|
| CN103356251B (en) | 2015-05-13 |
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