CN105031801A - Guiding catheter and catheter assembly for angiography and angiography method - Google Patents
Guiding catheter and catheter assembly for angiography and angiography method Download PDFInfo
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- CN105031801A CN105031801A CN201510407320.3A CN201510407320A CN105031801A CN 105031801 A CN105031801 A CN 105031801A CN 201510407320 A CN201510407320 A CN 201510407320A CN 105031801 A CN105031801 A CN 105031801A
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Abstract
The invention relates to a guiding catheter and a catheter assembly for angiography and an angiography method. The catheter assembly comprises the guiding catheter and an angiography catheter. The guiding catheter comprises a tube-shaped body with a guiding end arranged at the front end, and a lateral opening communicated with an inner hole of the tube-shaped body is formed in part, on the rear side of the guiding end, of the tube-shaped body. The catheter assembly further comprises a guiding wire used for driving the angiography catheter to stretch into the inner hole of the tube-shaped body and enabling the front end of the angiography catheter to penetrate out of the lateral opening. When the catheter assembly is used, the guiding catheter can stretch into the arch of the arcus aortae firstly, the lateral opening is made to correspond to a corresponding branch blood vessel, the angiography catheter is coaxially led into the guiding catheter under the cooperation of the guiding wire, then the guiding wire is rotated to enable the front end of the angiography catheter to penetrate out of the lateral opening in the guiding catheter and enter the corresponding blood vessel, then angiography operation is carried out, the guiding catheter can play the strong supporting role for the angiography catheter, and the stability of the angiography process is ensured.
Description
Technical field
The present invention relates to the angiography guiding catheter in medical apparatus and instruments and use conduit tube component and the angiographic method of this guiding catheter.
Background technology
Although become the conventional method of current cerebral angiography through the capable aortocranial angiography of femoral arteriography, but its postoperative needs limits position and activity, and the complication of large hematoma, false aneurysm, arteriovenous fistula etc. in piercing process, may be there is, equally, under ventral aorta and iliac artery serious distortion and narrow or occlusion condition, radiography failure is caused.After the capable coronary arteriography of reported first trans-radial approach in 1989, find that Transradial Approach can be used for multiple radiography and interventional therapy, it is main because the vascular complication of the method is few, the level of comfort after operation in patients can be improved, and avoid the relevant postoperative bed etc. of femoral artery puncture, therefore day by day come into one's own.
At present, trans-radial coronary intervention is at home and abroad extensively popularized, but also applies less in ganglioside GM_3 inspection and treatment, and be still in the exploratory stage, main cause is the shortage of special equipment.Be applicable to the angiography catheter of Artery Vein radiography " trans-radial full cerebrovascular interimage conduit " disclosed in Chinese patent CN204181994U at present, this angiography catheter comprises with the long duct section of end connector with by linking the short-range missile pipeline section that pipeline section and long duct section link, and is linked with leading pipeline section in the front end of short-range missile pipeline section.During use, angle between long duct section and short-range missile pipeline section is 30 degree ~ 45 degree and not at grade, leading pipeline section enters after ascending aorta becomes loop and can enter at the bottom of aortic arch, tubulature directly to straddle after at the bottom of aortic arch on aorta and it can be used as fulcrum crossing, become the termination of the leading pipeline section after loop to be upturned voluntarily, optionally enter any branch vessel in innominate artery, left common carotid artery or left subclavian artery.Existing this angiography catheter Problems existing is: whole angiography catheter needs to rotate at Ink vessel transfusing to enable the termination of leading pipeline section enter in corresponding branch vessel, and ipsilateral vessels is selected relatively easy, selects more difficult to vascellum laterale; Stability and the supportive of simple angiography catheter are poor; Anti-hook technical difficulty is large, complex operation, consuming time, higher to patient's technical requirement, therefore, to a certain degree adds associative operation risk and operation x ray exposure x time previous night.
Summary of the invention
The object of the present invention is to provide the guiding catheter that can be angiography catheter and provide support; The present invention also aims to provide a kind of conduit tube component and the angiographic method that use this guiding catheter.
In order to solve the problem, in the present invention, the technical scheme of guiding catheter is:
Angiography guiding catheter, comprise front end and be provided with the tubular body guiding termination, tubular body has the endoporus for stretching into for corresponding angiography catheter, in the side opening guiding the rear side of termination to be provided with the described angiography catheter front end of the confession be communicated with the endoporus of described tubular body to pass in tubular body.
Described guiding termination bends towards the side of described tubular body, and described side opening is positioned at the side opposing with guiding termination.
The shape of guiding termination is the pigtail shape of arc.
Described tubular body is provided with leading mark in described side opening is other.
The distance in extended distance guiding catheter leading section, side portion is 5cm ~ 15cm, and the distance of side extended distance guiding catheter rearward end is 90cm ~ 100cm.
In the present invention, the technical scheme of conduit tube component is:
Conduit tube component, comprise guiding catheter and angiography catheter, guiding catheter comprises front end and is provided with the tubular body guiding termination, in guiding the rear side of termination to be provided with the side opening be communicated with the endoporus of tubular body in tubular body, conduit tube component also to comprise in the endoporus for stretching into described tubular body with described angiography catheter and makes the seal wire that described angiography catheter front end is passed by described side opening.
Described guiding termination bends towards the side of described tubular body, and described side opening is positioned at the side opposing with guiding termination.
The shape of guiding termination is the pigtail shape of arc.
Described tubular body is provided with leading mark in described side opening is other.
The technical scheme of medium vessels angiographic method of the present invention is:
Angiographic method, the method comprises the following steps, the first step, sends in aorta, extract seal wire under seal wire coordinates by guiding catheter; Second step, angiography catheter is under seal wire coordinates, and be coaxially incorporated in guiding catheter, the front end of angiography catheter is stretched out by the side opening of guiding catheter, again extracts seal wire, then carries out first radiography to determine the position of branch vessel by angiography catheter; 3rd step, utilizes seal wire to be extend in respective branches blood vessel by angiography catheter for the last time and carries out final radiography.
Beneficial effect of the present invention is: during use, can first guiding catheter be extend in aortic arch, make side opening corresponding with respective branches blood vessel, angiography catheter is coaxially incorporated in guiding catheter under the cooperation of seal wire, then rotating seal wire makes the front end of angiography catheter be passed by the side opening on guiding catheter and enter into corresponding blood vessel, then carry out radiography operation, guiding catheter can provide strong supporting role for angiography catheter, ensure that the stability of angiographic procedure.
Accompanying drawing explanation
Fig. 1 is the using state figure of an embodiment of conduit tube component in the present invention;
Fig. 2 be front end and the guiding catheter of angiography catheter in Fig. 1 coordinate schematic diagram;
Fig. 3 is the structural representation of guiding catheter in Fig. 1;
Fig. 4 be in Fig. 3 side opening and leading mark coordinate schematic diagram.
Detailed description of the invention
The embodiment of conduit tube component is as shown in Fig. 1 ~ 4: the conduit tube component in the present embodiment is that trans-radial approach cerebral angiography is used, comprise guiding catheter 7 and angiography catheter 5, guiding catheter 7 comprises front end and is provided with the tubular body guiding termination 1, the rear end of tubular body is provided with guiding tube joint 4, in guiding the rear side of termination to be provided with the side opening 2 be communicated with the endoporus of tubular body in tubular body, the distance in extended distance guiding catheter leading section, side portion is 10cm, and the distance of side extended distance guiding catheter rearward end is 95cm.Guide termination 1 to bend towards the side of tubular body, side opening is positioned at the opposite side guiding termination.Guide the shape of termination 1 to be the pigtail shape of arc, tubular body is braided steel wire pipe, and the guiding termination of pigtail shape design for noinvasive, and quality softness, even if at tortuous narrow thin Ink vessel transfusing, also can make the risk of spasm and interlayer be down to minimum.Tubular body is provided with leading mark 3 in survey side's opening is other, and telltale mark is T-shaped towards side opening.Conduit tube component also to comprise in the endoporus for stretching into tubular body with angiography catheter and the seal wire 6 that angiography catheter front end is passed by side opening, and the seal wire in the present embodiment is Misgurni anguillicaudati seal wire.
In the present invention, the use procedure of conduit tube component is: right side radial artery puncturing, after arterial sheath is inserted, guiding tube joint on guiding catheter is preoperative connects Y-valve threeway, heparin saline persistent instillation, under radioscopy, first coordinate guiding catheter trans-radial approach with seal wire, approach right brachial arteries-right side subclavian artery is in aortic arch 8, according to the needs being selected into branch vessel, when right side internal carotid artery and right side push away angiography, the guiding termination of guiding catheter can be inserted in ascending aorta, when left side internal carotid artery and left side push away angiography, guide termination can insert in descending aorta, distance due to extended distance guiding catheter front end, side can meet most of different height patient, termination is guided deeply to insert in ascending aorta or in descending aorta, for angiography catheter provides strong support platform, after guiding catheter insertion puts in place, extract seal wire, angiography catheter is coaxial under the cooperation of seal wire to be introduced in guiding catheter, according to sensing specifically labelled under radioscopy, doctor can make angiography catheter extend out in right side subclavian artery or aortic arch by side opening by rotating seal wire easily, withdraw from seal wire, the position of hand push radiography determination branch vessel 9, angiography catheter coordinates with seal wire, angiography catheter is optionally inserted further row cerebral angiography in branch vessel 9.
Under the strong support force effect that this guiding catheter provides, angiography catheter is through side opening inserting line cerebral angiography, operate relatively simple and convenient, avoid simple angiography catheter stability, supportive is poor, the problems such as anti-hook technical difficulty is large, meanwhile, in ganglioside GM_3 inspection and treatment, this guiding catheter is Transradial Artery approach, overcomes the problem such as complication after puncture, postoperative braking that conventional femoral artery approach brings.The guiding termination of pigtail shape adds the flexibility guiding termination, makes it easilier walk in aortic arch, is deeply inserted and obtain extra support power, now guide termination can coordinate with vessel wall support when can need again by safe active; Indicia designs visual under X-ray is T-shape, more easily locates the position of side opening; Thering is provided of guiding catheter support platform is convenient in angiography catheter selectivity insertion aortic arch branch, simple to operate.
In other embodiment of this conduit tube component: guide termination to may not be pigtail shape, such as be less than the curved bend header structure of semicircle for arc length; Leading mark can also be in-line, dots structure or the loop configuration being located on side mouth periphery; Tubular body also can be made up of plastic material; Seal wire can also adopt the superslide seal wire of other type; The height different according to patient, the distance in extended distance guiding catheter leading section, side portion can be other value in 5cm ~ 15cm, and the distance of side extended distance guiding catheter rearward end can be other value in 90cm ~ 100cm; Certainly this conduit tube component can also be used in the angiography operation at other position beyond cerebrovascular, now according to the vessel position of human body different parts, the distance of the Distance geometry rearward end of extended distance tubular body leading section, side can also be arranged as required.
The embodiment of guiding catheter is as shown in Fig. 1 ~ 4: the concrete structure of guiding catheter is identical with the guiding catheter described in above-mentioned each conduit tube component embodiment, is not described in detail in this.
The embodiment of angiographic method is as shown in Fig. 1 ~ 4: the angiographic method in the present embodiment is the cerebral angiography method through right side via radial artery, the method comprises the following steps, the first step, sends in aorta by guiding catheter, extracts seal wire under seal wire coordinates; Second step, angiography catheter is under seal wire coordinates, and be coaxially incorporated in guiding catheter, the front end of angiography catheter is stretched out by the side opening of guiding catheter, again extracts seal wire, then carries out first radiography to determine the position of branch vessel by angiography catheter; 3rd step, utilizes seal wire to be extend in respective branches blood vessel by angiography catheter for the last time and carries out final radiography.Guiding catheter involved in above-mentioned angiographic method, angiography catheter and seal wire are identical with seal wire with the guiding catheter in above-mentioned each conduit tube component embodiment, angiography catheter respectively, are no longer described in detail its structure at this.In other embodiment of this angiographic method: be not limited to right side via radial artery, also can through left side via radial artery; Certain angiographic method also and be confined to cerebral angiography, such as the angiography at angiocardiography or other position.
Claims (10)
1. angiography guiding catheter, it is characterized in that: comprise front end and be provided with the tubular body guiding termination, tubular body has the endoporus for stretching into for corresponding angiography catheter, in the side opening guiding the rear side of termination to be provided with the described angiography catheter front end of the confession be communicated with the endoporus of described tubular body to pass in tubular body.
2. angiography guiding catheter according to claim 1, is characterized in that: described guiding termination bends towards the side of described tubular body, and described side opening is positioned at the side opposing with guiding termination.
3. angiography guiding catheter according to claim 1, is characterized in that: the shape of guiding termination is the pigtail shape of arc.
4. angiography guiding catheter according to claim 1, is characterized in that: described tubular body is provided with leading mark in described side opening is other.
5. the angiography guiding catheter according to claim 1 ~ 4 any one, is characterized in that: the distance of extended distance guiding catheter leading section, side is 5cm ~ 15cm, and the distance of side extended distance guiding catheter rearward end is 90cm ~ 100cm.
6. conduit tube component, it is characterized in that: comprise guiding catheter and angiography catheter, guiding catheter comprises front end and is provided with the tubular body guiding termination, in guiding the rear side of termination to be provided with the side opening be communicated with the endoporus of tubular body in tubular body, conduit tube component also to comprise in the endoporus for stretching into described tubular body with described angiography catheter and makes the seal wire that described angiography catheter front end is passed by described side opening.
7. conduit tube component according to claim 6, is characterized in that: described guiding termination bends towards the side of described tubular body, and described side opening is positioned at the side opposing with guiding termination.
8. conduit tube component according to claim 6, is characterized in that: the shape of guiding termination is the pigtail shape of arc.
9. conduit tube component according to claim 6, is characterized in that: described tubular body is provided with leading mark in described side opening is other.
10. angiographic method, is characterized in that: the method comprises the following steps, the first step, sends in aorta, extract seal wire under seal wire coordinates by guiding catheter; Second step, angiography catheter is under seal wire coordinates, and be coaxially incorporated in guiding catheter, the front end of angiography catheter is stretched out by the side opening of guiding catheter, again extracts seal wire, then carries out first radiography to determine the position of branch vessel by angiography catheter; 3rd step, utilizes seal wire to be extend in respective branches blood vessel by angiography catheter for the last time and carries out final radiography.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407320.3A CN105031801A (en) | 2015-07-13 | 2015-07-13 | Guiding catheter and catheter assembly for angiography and angiography method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407320.3A CN105031801A (en) | 2015-07-13 | 2015-07-13 | Guiding catheter and catheter assembly for angiography and angiography method |
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| CN105031801A true CN105031801A (en) | 2015-11-11 |
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| CN201510407320.3A Pending CN105031801A (en) | 2015-07-13 | 2015-07-13 | Guiding catheter and catheter assembly for angiography and angiography method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135423A (en) * | 2020-01-14 | 2020-05-12 | 惠州市顺美医疗科技有限公司 | Super-selective catheter with good fixing effect |
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| CN201091736Y (en) * | 2007-08-14 | 2008-07-30 | 郑晔 | Coronary artery guide wire |
| CN201791230U (en) * | 2010-09-13 | 2011-04-13 | 河南中医学院 | One-way movable flap side hole guide catheter |
| CN102166385A (en) * | 2011-04-20 | 2011-08-31 | 河南中医学院 | Guiding catheter with unidirectional periosteal flap side openings |
| CN102448380A (en) * | 2009-04-22 | 2012-05-09 | 湖区制造公司,商用名湖区医药 | Aneurysm treatment system, device and method |
| CN203763641U (en) * | 2014-01-26 | 2014-08-13 | 中国人民解放军第四军医大学 | Double-outlet guide catheter for reverse angiography |
| CN204815289U (en) * | 2015-07-13 | 2015-12-02 | 李天晓 | Angiogram is with guiding pipe, tubing assembly |
-
2015
- 2015-07-13 CN CN201510407320.3A patent/CN105031801A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201091736Y (en) * | 2007-08-14 | 2008-07-30 | 郑晔 | Coronary artery guide wire |
| CN102448380A (en) * | 2009-04-22 | 2012-05-09 | 湖区制造公司,商用名湖区医药 | Aneurysm treatment system, device and method |
| CN201791230U (en) * | 2010-09-13 | 2011-04-13 | 河南中医学院 | One-way movable flap side hole guide catheter |
| CN102166385A (en) * | 2011-04-20 | 2011-08-31 | 河南中医学院 | Guiding catheter with unidirectional periosteal flap side openings |
| CN203763641U (en) * | 2014-01-26 | 2014-08-13 | 中国人民解放军第四军医大学 | Double-outlet guide catheter for reverse angiography |
| CN204815289U (en) * | 2015-07-13 | 2015-12-02 | 李天晓 | Angiogram is with guiding pipe, tubing assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135423A (en) * | 2020-01-14 | 2020-05-12 | 惠州市顺美医疗科技有限公司 | Super-selective catheter with good fixing effect |
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Application publication date: 20151111 |