CN201361141Y - Balloon expanding bracket with side hole channel - Google Patents
Balloon expanding bracket with side hole channel Download PDFInfo
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- CN201361141Y CN201361141Y CN 200920101360 CN200920101360U CN201361141Y CN 201361141 Y CN201361141 Y CN 201361141Y CN 200920101360 CN200920101360 CN 200920101360 CN 200920101360 U CN200920101360 U CN 200920101360U CN 201361141 Y CN201361141 Y CN 201361141Y
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- Prior art keywords
- balloon
- sacculus
- micro
- wire
- side opening
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Abstract
The utility model relates to a balloon expanding bracket with a side hole channel, belonging to the technical field of an implement which can be medically implanted into a human blood vessel. One end of a balloon is communicated with a balloon conduit which can inject and absorb a contrast agent, an expandable compressing bracket is externally arranged, an inner cavity main channel and an inner cavity branch channel are arranged in the balloon and the balloon conduit, one end of the inner cavity main channel is opened at the side wall of the balloon conduit, and the other end is opened at the top end of the balloon; one end of the inner cavity branch channel is opened at the side wall of the balloon conduit, the other end is opened at the side wall of the balloon, and a side hole which is opposite to a side wall hole of the balloon is arranged on the expandable compressing bracket. The characteristics of the balloon expanding bracket are as follows: the structure is simple, the operation and utilization are convenient, time is saved, and the safety property is good; the balloon expanding bracket can break through forbidden zones where interventional therapy cannot be carried out due to branching pathological changes of brain blood vessels, simplify the therapy steps of branching pathological changes of coronary arteries, lower the operation risk and difficulty of a bracket auxiliary embolism operation of wide-necked aneurysms, improve the closing proportion of interventional embolism/operation, and reduce wound as well as pain of patients.
Description
Technical field
This utility model belongs to the endovascular utensil technical field of medical human implantable.
Background technology
Existing balloon expandable stent is that foley's tube is pre-installed support outward, presses when support dispatches from the factory to be held in outside the sacculus, and whole system can pass through in the conduit of internal diameter≤2mm (6F), need travel individually in 8F (3F=1mm) conduit.Foley's tube has 2 coaxial cavities, and a chamber is a guidewire lumen, the 0.008-0.014 inch that can pass through in guidewire lumen (1 inch=2.54cm) micro-wire of diameter is advanced in blood vessel along this seal wire foley's tube; Sacculus is led in another chamber, by injection of contrast medium sacculus is filled up, and then support is expanded, and is adjacent to blood vessel, extracts contrast agent then out and makes sacculus become flat, and support is stayed on the blood vessel wall of diseased region.Balloon material is a polyethylene, and conduit is a silica gel tube, and support is a Nitinol.Support has mesh, and for laser ablation or braiding form, rack surface has the anticoagulant coating.The long 100-135cm of sacculus support whole system.
Micro-wire is from the turnover of the side opening of conduit, passes from the stomidium of conduit, is called quick exchange sacculus support.When operation is that micro-wire is introduced into blood vessel, after entering the vascular lesion district, sends into the sacculus support along this seal wire again.Side opening turnover seal wire from conduit can use than the short-length guidewires complete operation.From the tail end turnover seal wire of conduit, then need use the 300cm micro-wire; And from side opening turnover micro-wire, get final product with the 180cm micro-wire.
As vascular bifurcation place pathological changes, promptly main blood vessel and bifurcated vessels crossover sites produce pathological changes, or meet some similar pathological changes such as wide carotid aneurysm, are difficult problems of operation in the present age.Usually after main blood vessel was implanted into support, the reuse micro-wire was sought the mesh of support, and passes the support mesh and further perform the operation in more existing operations, and the operation of searching support mesh is difficult to, and causes the failure of further operation usually; The operation that has is to discharge a support in branch earlier, and this holder part protrudes in the main lumen of vessels, discharges one piece of support again in main blood vessel, and just there are three layers of support web frame at the branch vessel ostium place like this, is unfavorable for that very blood passes through, and easily forms thrombosis.
For wide carotid aneurysm, in the wide carotid aneurysm operation of the auxiliary thromboembolism of support, in order to avoid seeking the work of support mesh, then in advance another root microtubular is placed between support and the blood vessel wall, play sacculus and discharge support, after thromboembolism is lived aneurysm, between support and blood vessel wall, extract microtubular out again, this operation method has increased apparatus and the link used, and the risk that makes support or embolus that displacement take place is more arranged.
Summary of the invention
The purpose of this utility model provides a kind of balloon expandable stent with side-hole channel, is characterized in: overcome the deficiencies in the prior art, solved the operating difficulties of seeking the support mesh with micro-wire, it is simple in structure, and is easy to operate, during joint, safety; Use this invention can increase the success rate that coronary artery bifurcated lesions " T type stenting " reaches " the T type stenting of improvement "; The cerebrovascular bifurcated lesions can be broken through and the forbidden zone of interventional therapy can't be carried out; Operating time is shortened greatly, significantly improve cure rate; Also can simplify the step of the auxiliary Embolization of wide carotid aneurysm support, reduce operating difficulty; Improve interventional embolization/surgical clips and closed ratio; The risk that has overcome the displacement of embolus and support or come off has guaranteed effect of embolization; Reduce patient's wound and misery.
Main technical schemes of the present utility model is: a kind of balloon expandable stent with side-hole channel, comprise sacculus, the foley's tube of one end of sacculus and injectable and sucking-off contrast agent is communicated with, sacculus is equipped with the inflatable compressed stent outward, it is characterized in that: being provided with in sacculus and the foley's tube can be by the inner chamber main channel and the inner chamber subchannel that can pass through micro-wire of micro-wire, one end opening of inner chamber main channel is in the sidewall of foley's tube, and the other end is opened on the top of sacculus; Inner chamber subchannel one end opening is in the sidewall of foley's tube, and the other end is opened on the sidewall of sacculus, and the inflatable compressed stent is provided with the side opening relative with the areole of sacculus.
Rounded or the polygon of the side opening of described sacculus side opening and relative inflatable compressed stent is good, and its position can be positioned at middle part, top or the bottom of sacculus and expandable compression support, and two side opening centers are relative.
Around the side opening of described sacculus areole or inflatable compressed stent (or near) to be provided with roentgenopaque metal identification be good so that perspective is observed the location down, operation technique such as observe that side opening position and micro-wire pass.
Described roentgenopaque metal identification or marker is rounded or polygon is good.
Described roentgenopaque metal is that gold, platinum or tungsten and alloy etc. are for good.
It is good that described inflatable compressed stent surface-coated has the medication coat that can prevent vascular restenosis.
Good effect of the present utility model is: overcome the deficiencies in the prior art, solved the operating difficulties of seeking the support mesh with micro-wire.It is simple in structure, and is easy to operate, during joint, safety; Use this invention can increase the success rate that coronary artery bifurcated lesions " T type stenting " reaches " the T type stenting of improvement "; The cerebrovascular bifurcated lesions can be broken through and the forbidden zone of interventional therapy can't be carried out; Operating time is shortened greatly, significantly improve cure rate; Also can simplify the step of the auxiliary Embolization of wide carotid aneurysm support; Reduced operating difficulty; Improve interventional embolization/surgical clips and closed ratio; The risk that has overcome the displacement of embolus and support or come off has guaranteed effect of embolization; Reduce patient's wound and misery.
Be described further below in conjunction with embodiment and accompanying drawing, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the cross-section profile of Fig. 1;
Fig. 3 is the user mode sketch map of Fig. 1.
Among Fig. 1～Fig. 3, the implication of each label is: 1, inner chamber main channel, 2, sacculus, 21, (sacculus) areole, 3, (the band side opening) inflatable compressed stent, 31, (the inflatable compressed stent) side opening, 4, roentgenopaque metal identification, 5, the inner chamber subchannel, 6, the compression pump interface, 7,9, the side opening of foley's tube, 8, the foley's tube of injectable and sucking-off contrast agent, 10, main blood vessel, 11, the branch vessel inwall, 12, put into main endovascular micro-wire, 13, lead to the micro-wire of branch vessel.
The specific embodiment
Referring to Fig. 1～Fig. 3, the balloon expandable stent of this band side-hole channel, comprise sacculus 2, the foley's tube 9 of one end of sacculus 2 and injectable and sucking-off contrast agent is communicated with, the sacculus 1 outer inflatable compressed stent 3 (press when support dispatches from the factory and be held in outside the sacculus) that is equipped with, it is characterized in that: being provided with in sacculus 2 and the foley's tube 9 can be by the inner chamber main channel 1 and the inner chamber subchannel 5 that can pass through micro-wire of micro-wire, one end opening of inner chamber main channel 1 is in the sidewall of foley's tube 7, and the other end is opened on the top of sacculus 2; Inner chamber subchannel 5 one end openings are in the sidewall of foley's tube 9, and the other end is opened on the sidewall of sacculus 2; Inflatable compressed stent 3 is provided with the side opening 31 relative with the areole 21 of sacculus 2.The side opening 31 rounded or polygons of sacculus areole 21 and relative inflatable compressed stent, its position can be positioned at the middle part of sacculus 1 and expandable compression support 3, and two side opening centers are relative.Be provided with roentgenopaque metal identification 4 around the side opening 31 of sacculus side opening 21 or inflatable compressed stent.Sacculus is a polythene material, and conduit is a silica gel tube, and support is a Nitinol, and support has mesh, is laser ablation or braiding (can same prior art).Rack surface has the anticoagulant medication coat.The long 100-135cm of sacculus support whole system is good.Micro-wire can be used prior art.
The bore passages of two parallel microtubular forms can not adhesion in sacculus in sacculus, and can walk abreast in the conduit outside sacculus sticks together, but not connected.The micro-wire 11 that leads to main blood vessel can enter from foley's tube side opening 8, derives from the top of sacculus 2, and the micro-wire 12 that leads to the support side opening can enter from foley's tube side opening 7, derives from the side opening 31 of sacculus side opening 21 and relative inflatable compressed stent.
During use, earlier a micro-wire is sent in the body, and make it to cross main vascular lesion section, external another root micro-wire is sent in the side-hole channel, the micro-wire head end does not get out side opening, the sacculus support that will have micro-wire then enters main vascular lesion district along putting into intravital micro-wire earlier, with support side opening align fingers openings in blood vessels place, micro-wire in the side-hole channel is sent in the branch vessel, then toward the interior injection of contrast medium pressurization of sacculus, prop up the support of band side opening, after band side opening support is close to blood vessel, extraction contrast agent decompression is withdrawn from sacculus (flat) and the micro-wire that enters main blood vessel external, stays the micro-wire that enters branch vessel (also can two micro-wires all keep in vivo), send into second piece of support along micro-wire again, arrive the diseased region of branch vessel when second piece of support after, open support, withdraw from sacculus and micro-wire.
Equally, when carrying out the auxiliary thromboembolism operation of wide carotid aneurysm support, at first in blood vessel, send into a micro-wire and make it to cross the aneurysm mouth, external another root micro-wire is sent in the side-hole channel, the micro-wire head end does not get out side opening, the sacculus support that will have micro-wire then is along putting into intravital micro-wire intravasation diseased region earlier, the support side opening is aimed at wide carotid aneurysm opening part, micro-wire in the side-hole channel is sent in the wide carotid aneurysm, then toward the interior injection of contrast medium pressurization of sacculus, prop up the support of band side opening, after band side opening support is close to blood vessel, extraction contrast agent decompression is withdrawn from the micro-wire of sacculus (flat) and intravasation external, stays the micro-wire that enters wide carotid aneurysm (also can two micro-wires all keep in vivo), send into microtubular along micro-wire again, send into embolization material (as turn by this root microtubular again, Onyx glue etc.), treat that the aneurysm thromboembolism is finished after, withdraw from microtubular.
This utility model can continue to be fed into support along the micro-wire by side opening after support discharges or sacculus is further treated branch vessel, also can be along send into another root microtubular by the micro-wire of side opening, then send into turn by this root microtubular, the wide carotid aneurysm of thromboembolism.The medication coat of rack surface can effectively reduce the incidence rate of vascular restenosis, reduces the generation of the complication of patient behind the implantable intravascular support.
Claims (6)
1, a kind of balloon expandable stent with side-hole channel, comprise sacculus (2), the foley's tube (9) of one end of sacculus (2) and injectable and sucking-off contrast agent is communicated with, the outer inflatable compressed stent (3) that is equipped with of sacculus (1), it is characterized in that: be provided with in sacculus (2) and the foley's tube (9) can be by micro-wire inner chamber main channel (1) and can be by the inner chamber subchannel (5) of micro-wire, one end opening of inner chamber main channel (1) is in the sidewall of foley's tube (9), and the other end is opened on the top of sacculus (2); Inner chamber subchannel (5) one end openings are in the sidewall of foley's tube (9), and the other end is opened on the sidewall of sacculus (2), and inflatable compressed stent (3) is provided with the side opening (31) relative with the areole (21) of sacculus (2).
2, the balloon expandable stent of band side-hole channel according to claim 1, rounded or the polygon of side opening (31) that it is characterized in that described sacculus areole (21) and relative inflatable compressed stent, its position can be positioned at middle part, top or the bottom of sacculus (1) and expandable compression support (3), and two side opening centers are relative.
3, the balloon expandable stent of band side-hole channel according to claim 1 is characterized in that the side opening (31) of described sacculus side opening (21) or inflatable compressed stent is provided with roentgenopaque metal identification (4) on every side.
4, the balloon expandable stent of band side-hole channel according to claim 3 is characterized in that the rounded or polygon of described roentgenopaque metal identification (4).
5, the balloon expandable stent of band side-hole channel according to claim 4 is characterized in that described roentgenopaque metal is gold, platinum or tungsten and alloy.
6,, it is characterized in that the surface-coated of described inflatable compressed stent (3) has the medication coat that can prevent vascular restenosis according to the balloon expandable stent of claim 1,2,3,4 or 5 described band side-hole channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920101360 CN201361141Y (en) | 2009-01-21 | 2009-01-21 | Balloon expanding bracket with side hole channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920101360 CN201361141Y (en) | 2009-01-21 | 2009-01-21 | Balloon expanding bracket with side hole channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201361141Y true CN201361141Y (en) | 2009-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920101360 Expired - Fee Related CN201361141Y (en) | 2009-01-21 | 2009-01-21 | Balloon expanding bracket with side hole channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201361141Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764476A (en) * | 2010-07-09 | 2012-11-07 | 同济大学 | Ostomy system |
| CN104936558A (en) * | 2013-05-10 | 2015-09-23 | 奥林巴斯株式会社 | Stent delivery system |
| CN105726179A (en) * | 2016-05-16 | 2016-07-06 | 南京医科大学第一附属医院 | Te-type side branch double-balloon stent system for bifurcation lesion interventional therapy |
| CN105853035A (en) * | 2016-04-28 | 2016-08-17 | 南京医科大学第附属医院 | Special-type main and side branch saccule stent system for interventional therapy of bifurcation lesions |
| CN105879192A (en) * | 2016-07-07 | 2016-08-24 | 许岗勤 | Aneurysm embolization micro-catheter |
| CN114870209A (en) * | 2022-04-05 | 2022-08-09 | 朱支柳 | Operation radiography catheter and use method thereof |
-
2009
- 2009-01-21 CN CN 200920101360 patent/CN201361141Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764476A (en) * | 2010-07-09 | 2012-11-07 | 同济大学 | Ostomy system |
| CN104936558A (en) * | 2013-05-10 | 2015-09-23 | 奥林巴斯株式会社 | Stent delivery system |
| CN105853035A (en) * | 2016-04-28 | 2016-08-17 | 南京医科大学第附属医院 | Special-type main and side branch saccule stent system for interventional therapy of bifurcation lesions |
| CN105726179A (en) * | 2016-05-16 | 2016-07-06 | 南京医科大学第一附属医院 | Te-type side branch double-balloon stent system for bifurcation lesion interventional therapy |
| CN105726179B (en) * | 2016-05-16 | 2019-02-15 | 张健 | A kind of double saccule support systems of special type side branch for bifurcated lesions interventional therapy |
| CN105879192A (en) * | 2016-07-07 | 2016-08-24 | 许岗勤 | Aneurysm embolization micro-catheter |
| CN114870209A (en) * | 2022-04-05 | 2022-08-09 | 朱支柳 | Operation radiography catheter and use method thereof |
| CN114870209B (en) * | 2022-04-05 | 2024-05-31 | 贵阳市第二人民医院 | Contrast catheter for operation and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20110121 |