CN103623495B - A kind of zebra guide wire - Google Patents
A kind of zebra guide wire Download PDFInfo
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- CN103623495B CN103623495B CN201310697468.6A CN201310697468A CN103623495B CN 103623495 B CN103623495 B CN 103623495B CN 201310697468 A CN201310697468 A CN 201310697468A CN 103623495 B CN103623495 B CN 103623495B
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- cored
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- guide wire
- conductive filament
- filament head
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Abstract
The invention provides a kind of zebra guide wire, described zebra guide wire comprises the conductive filament head and conveying mandrel that connect successively, described conductive filament head and described conveying mandrel include metal-cored, the metal-cored arranged outside of one end that described conductive filament head is not connected with conveying mandrel is not developed spring, described conductive filament head surface is provided with polymer sleeve pipe, described polymeric jacket tube-surface coating hydrophilic coating; Described conveying mandrel also comprises the politef clad being arranged at metal-cored surface, and the surface of described politef clad has not in conplane barber-pole stripes.Because the conveying mandrel of the application's zebra guide wire has politef clad at metal-cored Surface coating, it obtains again lower coefficient of friction while raising is handling; And conductive filament head surface is the polymer of precoating hydrophilic film, the frictional force of conductive filament head and other apparatuses or blood vessel can be reduced during use, thus make zebra guide wire have superslide conductive filament head, take into account low-friction coefficient and can be handling conveying mandrel.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of zebra guide wire.
Background technology
Guiding wire is in intervene operation, be used for guide catheter or other apparatus target approach blood vessels, then carries out the conventional medical apparatus and instruments of subsequent procedures, and it is the basic platform of intravascular Interventional Treatment.Guiding wire is generally made up of conductive filament head and the conveying mandrel that is connected with conductive filament head, and guiding wire has integral structure, and its inside comprises metal-cored.
According to the purposes of guiding wire, it needs to have soft head end, and near-end has and good turns round control property and propelling movement property simultaneously, and propelling movement process should reduce friction as far as possible.But current guiding wire, be difficult to take into account above-mentioned performance simultaneously, such as: for the superslide seal wire of Ink vessel transfusing radiography, because integral surface has hydrophilic coating, the resistance of its conductive filament head is in use enough little, but the conveying mandrel of superslide is made troubles to operator, when pushing seal wire, comparatively feel bad power; And the seal wire not with hydrophilic coating, while guarantee is handling, but lose superslide.
Summary of the invention
The technical problem that the present invention solves be to provide a kind of can the handling and zebra guide wire of superslide.
In view of this, this application provides a kind of zebra guide wire, described zebra guide wire comprises the conductive filament head and conveying mandrel that connect successively, described conductive filament head and described conveying mandrel include metal-cored, the metal-cored arranged outside of one end that described conductive filament head is not connected with conveying mandrel is not developed spring, it is characterized in that, described conductive filament head surface is provided with polymer sleeve pipe, described polymeric jacket tube-surface coating hydrophilic coating; Described conveying mandrel also comprises the politef clad being arranged at metal-cored surface, and the surface of described politef clad has not in conplane barber-pole stripes.
Preferably, described polymer sleeve pipe is connected by hollow pipe with described politef clad.
Preferably, described development spring is made up of platinum alloy, billon or tungsten alloy.
Preferably, described metal-cored material is elastic alloy.
Preferably, describedly metal-coredly distally proximally core vertebral body, core and base segment is divided into successively.
Preferably, the polymer of described polymer sleeve pipe is the compound containing resin or metal.
Preferably, described metal-cored and described development spring is connected and fixed by the mode of glueing joint or weld.
Compared with prior art, this application provides a kind of zebra guide wire, polytetrafluoroethylene floor is provided with owing to carrying the metal-cored surface of mandrel, and polytetrafluoroethylene floor has lower coefficient of friction, reduce the resistance that seal wire delivery process produces, simultaneously the polytetrafluoroethylene floor surface on the metal-cored surface of the application be not in conplane barber-pole stripes, is easy to manipulate while reduction resistance, and what this polytetrafluoroethylene floor further increased zebra guide wire can be handling.In addition, polymer sleeve pipe is provided with on the conductive filament head surface of zebra guide wire, and polymeric jacket tube-surface scribbles hydrophilic coating in advance, make zebra guide wire reduce the frictional force of conductive filament head and other apparatus or blood vessel in use, thus zebra guide wire described in the application is had simultaneously preferably can be handling with superslide.
Accompanying drawing explanation
Fig. 1 is the structural representation of the zebra guide wire of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the zebra guide wire of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the zebra guide wire of the embodiment of the present invention 3;
Fig. 4 is the metal-cored structural representation of the embodiment of the present invention.
Detailed description of the invention
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
The structural representation of the zebra guide wire that Fig. 1 ~ Fig. 3 provides for the embodiment of the present invention, Fig. 4 is the metal-cored structural representation of the present invention; In figure, 1 is conductive filament head, and 2 is conveying mandrel, and 3 is polymer sleeve pipe, and 4 is plastic tube, and 5 is politef clad, and 6 is metal-cored, and 7 is development spring, and 8 is core vertebral body, and 9 is core, and 10 is base segment.
The invention provides a kind of zebra guide wire, described zebra guide wire comprises the conductive filament head 1 and conveying mandrel 2 that connect successively, described conductive filament head 1 includes metal-cored 6 with described conveying mandrel 2, described conductive filament head 1 be not connected with conveying mandrel 2 metal-cored 6 of one end arranged outside to develop spring 7, described conductive filament head 1 surface is provided with polymer sleeve pipe 3, the surperficial precoating hydrophilic coating of described polymer sleeve pipe 3; Described conveying mandrel 2 also comprises the politef clad 5 being arranged at metal-cored 6 surfaces, and the surface of described politef clad 5 has not in conplane barber-pole stripes.
Described in the application, metal-cored 6 through the far-end of described zebra guide wire and near-end.Described metal-cored 6 is preferably material with elastic alloy, more preferably Nitinol or rustless steel.Described in the application, the length of metal-cored 6 is preferably 150cm ~ 300cm, and diameter is preferably 0.3mm ~ 0.89mm.Described metal-cored 6 are distally followed successively by core vertebral body 8, core 9 and base segment 10 to near-end, the far-end of metal-cored 6 can present various bending by thermoforming process, the shape of metal-cored 6 is not limited to the state shown in the present embodiment Fig. 4, also other geometries can be made as required, form linear integral structure, do not repeat one by one at this.
According to the present invention, the Surface coating one layer of polymeric sleeve pipe 3 of conductive filament head 1, the polymer of described polymer sleeve pipe 3 can be polyurethanes or amide-type or other resins, and is added with the compound of the metals such as gold, platinum, tungsten or metal, and described polymer sleeve pipe 3 can develop under X-ray.The application is also coated with the ultra-thin hydrophilic coating of one deck on the polymer sleeve pipe 3 on conductive filament head 1 surface, forms the seal wire head end of excellent performance together with metal-cored 6, the spring 7 that develops, polymer sleeve pipe 3; Metal-cored 6 of Diameter Gradual Change provides flexibility and guidance quality with polymer sleeve pipe 3, and development spring 7 and polymer sleeve pipe 3 provide visual, and polymer sleeve pipe 3 and hydrophilic coating provide superslide.Hydrophilic coating described in the application is specially polyvinylpyrrolidone coating.Described in the application, the internal diameter of polymer sleeve pipe 3 is preferably 0.3mm ~ 0.9mm, and external diameter is preferably 0.33mm ~ 0.93mm, and length is preferably 90mm ~ 200mm.One of main feature of patent of the present invention is for having the seal wire head end of superslide.Polymer sleeve pipe 3 described in the application and the described far-end of metal-cored 6 are by glueing joint or welding or other modes are connected and fixed, and polymer sleeve pipe 3 can present various bending through thermoforming process.
Described conductive filament head 1 comprises the core vertebral body 8 of metal-cored 6 and core 9, is provided with development spring 7 at the tip of core vertebral body 8, described metal-cored 6 with described development spring 7 by glueing joint or welding or other modes are connected and fixed.The material that the spring 7 that develops described in the application preferably can be developed under X-ray by platinum alloy, billon or tungsten alloy etc. is made, and the external diameter of described development spring 7 is preferably 0.25mm ~ 0.7mm, and length is preferably 10mm ~ 30mm.
According to the present invention, described conveying mandrel 2 inside is core 9 and the base segment 10 of metal-cored 6, surface coverage one deck polytetrafluoroethylene floor 5 of described metal-cored 6.The application preferably arranges two kinds of colors on the surface of polytetrafluoroethylene floor 5, with orchid to red, blue dialogue, the yellow color larger to the contrast such as black for combination, two kinds of colors alternately form the barber-pole stripes shape with certain density, and two kinds of colors are not at grade, can feel during touch that ptfe surface shows slightly and be uneven.Polytetrafluoroethylene floor 5 is the tubular structure of hollow, and its internal diameter is preferably 0.35mm ~ 1mm, and wall thickness is preferably 0.05mm ~ 0.13mm, and length is preferably 150cm ~ 300cm.The set-up mode of politef clad 5 perficial helical striated described in the application, sense of touch can be strengthened when zebra guide wire uses, improve handling, and whether the alternate striped of two kinds of colors can distally sent by clear display seal wire, simultaneously, polytetrafluoroethylmaterial material itself can obtain lower coefficient of friction, improves the propelling movement of seal wire.
The junction of both politef clads 5 of above-mentioned polymer sleeve pipe 3 and barber-pole stripes shape, preferred employing one section of hollow pipe is coated, described hollow pipe is preferably hollow plastic pipe, the internal diameter of affiliated plastic tube is preferably 0.4mm ~ 1.1mm, external diameter is preferably 0.45mm ~ 1.15mm, and length is preferably 5 ~ 20mm.The present invention is with plastic tube coated connection politef clad 5 and polymer sleeve pipe 3, and make junction form one, transition more smoothly and is not easily peeled off.The application is preferably by welding procedure fixed polymer sleeve pipe 3, politef clad 5 and metal-cored 6.
This application provides a kind of zebra guide wire, polytetrafluoroethylene floor is provided with owing to carrying the metal-cored surface of mandrel, and polytetrafluoroethylene floor has lower coefficient of friction, reduce the resistance that seal wire delivery process produces, the polytetrafluoroethylene floor surface on the metal-cored surface of the application is not in conplane barber-pole stripes simultaneously, reduce to be easy to manipulation while resistance, what this polytetrafluoroethylene floor further increased zebra guide wire can be handling.In addition, polymer sleeve pipe is provided with on the conductive filament head surface of zebra guide wire, and polymeric jacket tube-surface scribbles hydrophilic coating in advance, make zebra guide wire reduce the frictional force of conductive filament head and other apparatus or blood vessel in use, thus zebra guide wire described in the application is had simultaneously preferably can be handling with superslide.
In order to understand the present invention further, be described in detail to zebra guide wire provided by the invention below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
Embodiment 1
Fig. 1 is the structural representation of embodiments of the invention 1 zebra guide wire, and as shown in Figure 1, conductive filament head is straight shape, and metal-cored 6 adopt nitinol alloy wire or stainless steel silk, and length is 150cm, and diameter is 0.85mm, the core vertebral body long 90 of metal-cored 6; Metal-cored 6 Surface coating one deck politef clads 5, internal diameter is 0.59mm, and wall thickness is 0.13mm, and length is 150cm; Metal-cored 6 far-ends are provided with polymer sleeve pipe 3, and internal diameter is 0.7mm, and external diameter is 0.85mm, and length is 120mm; Plastic tube 4 internal diameter is 0.7mm, and external diameter is 0.85mm, and length is 10mm; Development spring 7 adopts that diameter is the platinum alloy of 0.05mm, tungsten alloy or billon are material, and make coil spring shape, its external diameter is 0.3mm, long 10mm.
Embodiment 2
Fig. 2 is the structural representation of embodiments of the invention 2 zebra guide wire, and as shown in Figure 2, conductive filament head is in about 45 ° curved (A is curved), curved by the far-end of polymer sleeve pipe 3 and metal-cored 6 is shaped to A, obtains the curved conductive filament head of A; Other materials, size and structure are with embodiment 1.
Embodiment 3
Fig. 3 is the structural representation of embodiments of the invention 3 zebra guide wire, and as shown in Figure 3, conductive filament head is in about 180 ° curved (J is curved), curved by the far-end of polymer sleeve pipe 3 and metal-cored 6 is shaped to J, obtains the curved conductive filament head of J; Other materials, size and structure are with embodiment 1.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a zebra guide wire, described zebra guide wire comprises the conductive filament head (1) and conveying mandrel (2) that connect successively, described conductive filament head (1) and described conveying mandrel (2) include metal-cored (6), the arranged outside of metal-cored (6) of one end that described conductive filament head (1) is not connected with conveying mandrel (2) is not developed spring (7), it is characterized in that, described conductive filament head (1) surface is provided with polymer sleeve pipe (3), described polymer sleeve pipe (3) surface-coated hydrophilic coating; Described conveying mandrel (2) also comprises the politef clad (5) being arranged at metal-cored (6) surface, and the surface of described politef clad (5) has not in conplane barber-pole stripes;
The material of described metal-cored (6) is Nitinol or rustless steel; Described politef clad (5) wall thickness is 0.05mm ~ 0.13mm;
Described polymer sleeve pipe (3) is connected by hollow pipe with described politef clad (5).
2. zebra guide wire according to claim 1, is characterized in that, described development spring (7) is made up of platinum alloy, billon or tungsten alloy.
3. zebra guide wire according to claim 1, is characterized in that, described metal-cored (6) are distally proximally divided into core vertebral body (8), core (9) and base segment (10) successively.
4. zebra guide wire according to claim 1, is characterized in that, the polymer of described polymer sleeve pipe (3) is the compound containing resin or metal.
5. zebra guide wire according to claim 1, is characterized in that, described metal-cored (6) are connected and fixed by the mode of glueing joint or weld with described development spring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697468.6A CN103623495B (en) | 2013-12-18 | 2013-12-18 | A kind of zebra guide wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697468.6A CN103623495B (en) | 2013-12-18 | 2013-12-18 | A kind of zebra guide wire |
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| Publication Number | Publication Date |
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| CN103623495A CN103623495A (en) | 2014-03-12 |
| CN103623495B true CN103623495B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310697468.6A Active CN103623495B (en) | 2013-12-18 | 2013-12-18 | A kind of zebra guide wire |
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| CN (1) | CN103623495B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6637157B2 (en) * | 2015-09-10 | 2020-01-29 | カーディアック ペースメイカーズ， インコーポレイテッド | Medical device with structural coating |
| CN108064180B (en) * | 2016-12-26 | 2021-06-11 | 上海英诺伟医疗器械有限公司 | Non-blood vessel cavity guide wire |
| CN206688006U (en) | 2016-12-26 | 2017-12-01 | 上海英诺伟医疗器械有限公司 | A kind of non-vascular cavity seal wire |
| CN108618768A (en) * | 2017-03-15 | 2018-10-09 | 深圳北芯生命科技有限公司 | Intravascular pressure with mounting base measures conduit |
| CN108837277A (en) * | 2018-07-18 | 2018-11-20 | 董鹏 | Extend conduit |
| CN110448736A (en) * | 2019-08-19 | 2019-11-15 | 广东亿康医疗器械有限公司 | A kind of latex catheter surface treatment method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333620A (en) * | 1991-10-30 | 1994-08-02 | C. R. Bard, Inc. | High performance plastic coated medical guidewire |
| CN101674861A (en) * | 2007-05-09 | 2010-03-17 | 独立行政法人科学技术振兴机构 | Seal wire and support |
| CN203694359U (en) * | 2013-12-18 | 2014-07-09 | 湖南埃普特医疗器械有限公司 | Zebra guide wire |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2068584C (en) * | 1991-06-18 | 1997-04-22 | Paul H. Burmeister | Intravascular guide wire and method for manufacture thereof |
| JP4282979B2 (en) * | 2002-03-25 | 2009-06-24 | テルモ株式会社 | Guide wire |
| US20050096665A1 (en) * | 2003-10-30 | 2005-05-05 | Scimed Life Systems, Inc. | Guidewire having a helically contoured portion |
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2013
- 2013-12-18 CN CN201310697468.6A patent/CN103623495B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333620A (en) * | 1991-10-30 | 1994-08-02 | C. R. Bard, Inc. | High performance plastic coated medical guidewire |
| CN101674861A (en) * | 2007-05-09 | 2010-03-17 | 独立行政法人科学技术振兴机构 | Seal wire and support |
| CN203694359U (en) * | 2013-12-18 | 2014-07-09 | 湖南埃普特医疗器械有限公司 | Zebra guide wire |
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| CN103623495A (en) | 2014-03-12 |
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