CN204500704U - A kind of mapping micro-wire - Google Patents
A kind of mapping micro-wire Download PDFInfo
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- CN204500704U CN204500704U CN201520140888.9U CN201520140888U CN204500704U CN 204500704 U CN204500704 U CN 204500704U CN 201520140888 U CN201520140888 U CN 201520140888U CN 204500704 U CN204500704 U CN 204500704U
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Abstract
The application belongs to medical instruments field, particularly relates to a kind of mapping micro-wire.The mapping micro-wire that the application provides comprises conveying core silk, and described conveying core silk is provided with several scale strips along its length; Described scale strip develops under x-ray bombardment.The mapping micro-wire that the application provides can accurately measure the size at vascular lesion position under x-ray bombardment, so both improves the success rate of subsequent procedures, and operation process is simplified as far as possible, and also high degree reduces surgery cost, relieve patient ' s burden.
Description
Technical field
This utility model belongs to medical instruments field, particularly relates to a kind of mapping micro-wire.
Background technology
Because ductus arteriosus wall local birth defect and cavity pressure increase, the thinning gradually and abnormal bulging of ductus arteriosus wall, is referred to as aneurysm clinically.Atherosclerosis can cause angiostenosis, and angiostenosis causes a major reason and the risk factor of ischemic diseases.For aneurysm, general Ink vessel transfusing Coil embolization technology or the stent inserting art of adopting is treated, and angiostenosis, then pass through by a stentplacement in narrow positions, to reach the object for the treatment of.
No matter treat aneurysm or angiostenosis, preoperatively all need the size determining lesion portion, then according to the suitable turn of size Selection specification and support.The main determination carrying out vascular lesion spot size by Angiography at present, but the simple angiography that relies on is difficult to the actual size precisely judging diseased region, particularly for the diseased region of tortuous blood vessel.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of mapping micro-wire, and the mapping micro-wire that this utility model provides can accurately measure the size at vascular lesion position.
This utility model provides a kind of mapping micro-wire, comprises conveying core silk, described conveying core silk is provided with several scale strips along its length;
Described scale strip develops under x-ray bombardment.
Preferably, the material of described scale strip is platinum, platinum alloy, gold, nickel alloy, titanium alloy or rustless steel.
Preferably, described scale strip is the raised item arranged along the excircle of described conveying core silk.
Preferably, the width of described scale strip is 0.2 ~ 1mm.
Preferably, the spacing of adjacent described scale strip is 0.5 ~ 3mm.
Preferably, the spacing of adjacent described scale strip is equal.
Preferably, described micro-wire also comprises conductive filament head, and described conductive filament head is connected with described conveying core silk.
Preferably, the material of described conductive filament head is platinum, platinum alloy, tungsten, billon or rustless steel.
Compared with prior art, this utility model provides a kind of mapping micro-wire.The mapping micro-wire that this utility model provides comprises conveying core silk, and described conveying core silk is provided with several scale strips along its length; Described scale strip develops under x-ray bombardment.The mapping micro-wire that this utility model provides can accurately measure the size at vascular lesion position under x-ray bombardment, so both improve the success rate of subsequent procedures, operation process is simplified as far as possible, and also high degree reduces surgery cost, relieve patient ' s burden.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The mapping micro-wire structural representation that Fig. 1 provides for this utility model embodiment;
Fig. 2 measures aneurysmal use schematic diagram for the mapping micro-wire that this utility model embodiment provides;
The use schematic diagram of the mapping micro-wire measurement blood vessel that Fig. 3 provides for this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
This utility model provides a kind of mapping micro-wire, comprises conveying core silk, described conveying core silk is provided with several scale strips along its length;
Described scale strip develops under x-ray bombardment.
See the mapping micro-wire structural representation that Fig. 1, Fig. 1 provide for this utility model embodiment, wherein, 1 is conveying core silk, and 2 is several scale strips, and 3 is conductive filament heads.
The mapping micro-wire that this utility model provides comprises conveying core silk 1, and conveying core silk 1 is provided with several scale strips 2 along its length.In the embodiment that this utility model provides, the material of conveying core silk 1 is Nitinol and/or rustless steel.In the embodiment that this utility model provides, the diameter of conveying core silk 1 is 0.20 ~ 1.0mm.In the embodiment that this utility model provides, the length of conveying core silk 1 is 130 ~ 300cm.In the embodiment that this utility model provides, the surface-coated of conveying core silk 1 has hydrophilic layer or hydrophobic layer.In the embodiment that this utility model provides, the material of described hydrophilic layer is polyvinylpyrrolidone, and the material of described hydrophobic layer is politef.In the embodiment that this utility model provides, the thickness of described hydrophilic layer or hydrophobic layer is 0.006 ~ 0.025mm.
In this utility model, scale strip 2 develops under x-ray bombardment.In the embodiment that this utility model provides, the material of scale strip 2 is platinum, platinum alloy, gold, nickel alloy, titanium alloy or rustless steel.In the embodiment that this utility model provides, the width of scale strip 2 is 0.2 ~ 1.0mm.In the embodiment that this utility model provides, the length of scale strip 2 is equal with the girth of conveying core silk 1 excircle.In the embodiment that this utility model provides, the number of some scale strips 2 is 6 ~ 12.In the embodiment that this utility model provides, the spacing of adjacent scale strip 2 is 0.5 ~ 3mm; In another embodiment that this utility model provides, the spacing of adjacent scale strip 2 is equal.In the embodiment that this utility model provides, scale strip 2 is the raised item of the excircle setting along conveying core silk 1.In the embodiment that this utility model provides, scale strip 2 is connected by the mode of welding with conveying core silk 1.
In the embodiment that this utility model provides, mapping micro-wire also comprises conductive filament head 3, and conductive filament head 3 is connected with conveying core silk 1.In the embodiment that this utility model provides, the conductive filament head link of conveying core silk 1 is designed to the taper of Diameter Gradual Change, for improving the compliance of conductive filament head 3.In the embodiment that this utility model provides, the material of conductive filament head 3 is platinum, platinum alloy, tungsten, billon or rustless steel.In the embodiment that this utility model provides, conductive filament head 3 is turned to by tinsel, helically spring-like.In the embodiment that this utility model provides, described diameter wiry is 0.05 ~ 0.25mm.In the embodiment of the conductive filament head 3 provided at this utility model helically spring-like, conductive filament head 3 is 0.20 ~ 1.0mm along the external diameter in the cross section of its axis.In the embodiment of the conductive filament head 3 provided at this utility model helically spring-like, conductive filament head 3 is 5 ~ 100mm along the length of its axis.
In this utility model, mapping micro-wire is delivered to target blood, micro-wire scale strip, across target blood lesion portion, goes out the size of target blood diseased region under x-ray bombardment by the width of micro-wire high scale bar and the distance measurement of scale strip.
The mapping micro-wire that this utility model provides is provided with the scale strip developed under x-ray bombardment on conveying core silk, can the size at Measurement accuracy vascular lesion position under x-ray bombardment, as aneurysm diameter, aneurysm neck breadth and angiostenosis segment length etc., be specially adapted to the measurement of tortuous vascular lesion spot size.In this utility model, the treatment that turn that follow-up selection specification is suitable for or support carry out vascular lesion position is conducive to the Measurement accuracy of vascular lesion spot size, is convenient to operation technique, improves the success rate of operation, reduce surgery cost.Used the situation of microtubular (as Plus conduit) in the mapping micro-wire particularly suitable Rhizoma Atractylodis Macrocephalae that this utility model provides, namely mapping micro-wire is transported to target lesion place along microtubular and measures.
This utility model provides a kind of preparation method of mapping micro-wire, comprises the following steps:
The length direction of several scale strips along micro-wire conveying core silk is welded on conveying core silk, obtains mapping micro-wire;
Described scale strip develops under x-ray bombardment.
In the preparation method that this utility model provides, directly several scale strips are welded on the mapping micro-wire that conveying core silk can obtain this utility model and provide along the length direction of micro-wire conveying core silk.
Described scale strip develops under x-ray bombardment.The material of described scale strip is preferably platinum, platinum alloy, gold, nickel alloy, titanium alloy or rustless steel.The width of described scale strip is preferably 0.2 ~ 1mm.The length of described scale strip is preferably equal with the girth of described conveying core silk excircle.
The source of this utility model to described micro-wire is not particularly limited, commercially available.Described micro-wire comprises conveying core silk.Described micro-wire preferably also comprises the conductive filament head be connected with conveying core silk.The conductive filament head link of described conveying core silk is preferably designed to the taper of Diameter Gradual Change, for improving the compliance of conductive filament head.The material of described conveying core silk is preferably Nitinol and/or rustless steel.The diameter of described conveying core silk is preferably 0.20 ~ 1.0mm.The length of described conveying core silk is preferably 130 ~ 300cm.The surface of described conveying core silk is preferably coated with hydrophilic layer or hydrophobic layer.The material of described hydrophilic layer is preferably polyvinylpyrrolidone, and the material of described hydrophobic layer is preferably politef.The material of described conductive filament head is preferably platinum, platinum alloy, tungsten, billon or rustless steel.Described conductive filament head is preferably turned to by tinsel, helically spring-like.Described diameter wiry is preferably 0.05 ~ 0.25mm.The conductive filament head of described helically spring-like is preferably 0.20 ~ 1.0mm along the external diameter in the cross section of its axis.The conductive filament head of described helically spring-like is preferably 5 ~ 100mm along the length of its axis
In this utility model, the mode some described scale strips being welded on described micro-wire conveying core silk is preferably soldering or laser weld.In brazing process, the temperature of described soldering is preferably 200 ~ 500 DEG C.In laser beam welding, the electric current of described laser weld is preferably 50 ~ 140A, and the pulsewidth of described laser weld is preferably 3.0 ~ 10ms, and the frequency of described laser weld is preferably 3 ~ 15Hz.
The preparation method adopting this utility model to provide can obtain micro-wire conveying core silk being provided with scale strip, i.e. mapping micro-wire.Mapping micro-wire can the size at Measurement accuracy vascular lesion position, as aneurysm diameter, aneurysm neck breadth and angiostenosis segment length etc., is specially adapted to the measurement of tortuous vascular lesion spot size.
For the purpose of clearer, be described in detail below by following examples.
Embodiment 1
Preparation mapping micro-wire
Be welded on conveying core silk by the length direction of 6 ~ 12 scale strips along micro-wire conveying core silk, the welding manner of employing is soldering, and brazing temperature is 200 ~ 500 DEG C.Obtained mapping micro-wire shown in Fig. 1.Fig. 1 is the mapping micro-wire structural representation that this utility model embodiment provides, and wherein 1 is conveying core silk, and 2 is several scale strips, and 3 is conductive filament heads.
In the present embodiment, the material of conveying core silk 1 is Nitinol, and diameter is 0.2mm, and length is 130cm, and conveying core silk 1 surface-coated has thickness to be the polyvinylpyrrolidone hydrophilic layer of 0.006mm.Scale strip 2 is arranged on conveying core silk 1, and the material of scale strip 2 is platinum, and width is 0.2mm, and length is 0.2 π mm, and the spacing of adjacent scale strip 2 is 0.5mm.Conductive filament head 3 is connected with the conductive filament head linkage section of conveying core silk 1, and described conductive filament head link is the taper of Diameter Gradual Change.The platinum alloy silk that conductive filament head 3 is 0.05mm by diameter is had mercy on and is made, and helically spring-like, helical spring is 0.20mm along the external diameter in the cross section of its axis, and helical spring is 5mm along the length of its axis.
Embodiment 2
Preparation mapping micro-wire
Be welded on conveying core silk by the length direction of 6 ~ 12 scale strips along micro-wire conveying core silk, the welding manner of employing is laser weld, and the electric current of laser weld is 50 ~ 140A, and the pulsewidth of laser weld is 3.0 ~ 10ms, and the frequency of laser weld is 3 ~ 15Hz.Obtained mapping micro-wire shown in Fig. 1.Fig. 1 is the mapping micro-wire structural representation that this utility model embodiment provides, and wherein 1 is conveying core silk, and 2 is several scale strips, and 3 is conductive filament heads.
In the present embodiment, the material of conveying core silk 1 is rustless steel, and diameter is 1.0mm, and length is 300cm, and conveying core silk 1 surface-coated has thickness to be the politef hydrophobic layer of 0.025mm.Scale strip 2 is arranged on conveying core silk 1, and the material of scale strip 2 is gold, and width is 1.0mm, and length is 1.0 π mm, and the spacing of adjacent scale strip 2 is 3mm.Conductive filament head 3 is connected with the conductive filament head linkage section of conveying core silk 1, and described conductive filament head link is the taper of Diameter Gradual Change.The stainless steel silk that conductive filament head 3 is 0.25mm by diameter is had mercy on and is made, and helically spring-like, helical spring is 1.0mm along the external diameter in the cross section of its axis, and helical spring is 100mm along the length of its axis.
Embodiment 3
Preparation mapping micro-wire
Be welded on conveying core silk by the length direction of 6 ~ 12 scale strips along micro-wire conveying core silk, the welding manner of employing is soldering, and brazing temperature is 200 ~ 500 DEG C.Obtained mapping micro-wire shown in Fig. 1.Fig. 1 is the mapping micro-wire structural representation that this utility model embodiment provides, and wherein 1 is conveying core silk, and 2 is several scale strips, and 3 is conductive filament heads.
In the present embodiment, the material of conveying core silk 1 is Nitinol and rustless steel, and diameter is 0.6mm, and length is 200cm.Scale strip 2 is arranged on conveying core silk 1, and the material of scale strip 2 is Nitinol, and width is 0.6mm, and length is 0.6 π mm, and the spacing of adjacent scale strip 2 is 1.5mm.Conductive filament head 3 is connected with the conductive filament head linkage section of conveying core silk 1, and described conductive filament head link is the taper of Diameter Gradual Change.The tungsten filament that conductive filament head 3 is 0.15mm by diameter is had mercy on and is made, and helically spring-like, helical spring is 0.6mm along the external diameter in the cross section of its axis, and helical spring is 50mm along the length of its axis.
Embodiment 4
Measure aneurysm
As shown in Figure 2, Fig. 2 measures aneurysmal use schematic diagram for the mapping micro-wire that this utility model embodiment provides, and wherein, 4 is aneurysms, and 5 is blood vessels, and 6 is mapping micro-wires.The mapping micro-wire 6 that embodiment 1 ~ 3 any embodiment is obtained is delivered to target blood 5, and micro-wire scale strip, across aneurysm neck, goes out aneurysm diameter or aneurysm neck width by the width of micro-wire 6 high scale bar and the distance measurement of scale strip under X-ray.
Embodiment 5
Measure angiostenosis section
As shown in Figure 3, the use schematic diagram of the mapping micro-wire measurement blood vessel that Fig. 3 provides for this utility model embodiment, wherein, 7 is angiostenosis pathological changes, and 8 is blood vessels, and 9 is mapping micro-wires.The mapping micro-wire 9 that embodiment 1 ~ 3 any embodiment is obtained is delivered to target blood 8, and micro-wire scale strip, across angiostenosis section, goes out blood vessel narrow section length by the width of micro-wire 9 high scale bar and the distance measurement of scale strip under X-ray.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a mapping micro-wire, comprises conveying core silk, described conveying core silk is provided with several scale strips along its length;
Described scale strip develops under x-ray bombardment.
2. micro-wire according to claim 1, is characterized in that, the material of described scale strip is platinum, platinum alloy, gold, nickel alloy, titanium alloy or rustless steel.
3. micro-wire according to claim 1, is characterized in that, described scale strip is the raised item arranged along the excircle of described conveying core silk.
4. micro-wire according to claim 1, is characterized in that, the width of described scale strip is 0.2 ~ 1mm.
5. micro-wire according to claim 1, is characterized in that, the spacing of adjacent described scale strip is 0.5 ~ 3mm.
6. micro-wire according to claim 1, is characterized in that, the spacing of adjacent described scale strip is equal.
7. micro-wire according to claim 1, is characterized in that, described micro-wire also comprises conductive filament head, and described conductive filament head is connected with described conveying core silk.
8. micro-wire according to claim 7, is characterized in that, the material of described conductive filament head is platinum, platinum alloy, tungsten, billon or rustless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140888.9U CN204500704U (en) | 2015-03-12 | 2015-03-12 | A kind of mapping micro-wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520140888.9U CN204500704U (en) | 2015-03-12 | 2015-03-12 | A kind of mapping micro-wire |
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| CN204500704U true CN204500704U (en) | 2015-07-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688235A (en) * | 2015-03-12 | 2015-06-10 | 湖南埃普特医疗器械有限公司 | Mapping micro guide wire and manufacturing method thereof |
| CN105125250A (en) * | 2015-09-29 | 2015-12-09 | 中国人民解放军第二军医大学 | Plug device for assisting aneurysmal neck |
| CN105148379A (en) * | 2015-10-10 | 2015-12-16 | 江苏耀华医疗器械科技有限公司 | Guide wire provided with scales |
| CN106861020A (en) * | 2017-03-15 | 2017-06-20 | 北京聚精瑞生医疗科技有限公司 | A kind of fluorography moves under water puncture seal wire |
-
2015
- 2015-03-12 CN CN201520140888.9U patent/CN204500704U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688235A (en) * | 2015-03-12 | 2015-06-10 | 湖南埃普特医疗器械有限公司 | Mapping micro guide wire and manufacturing method thereof |
| CN104688235B (en) * | 2015-03-12 | 2017-05-03 | 湖南埃普特医疗器械有限公司 | Mapping micro guide wire and manufacturing method thereof |
| CN105125250A (en) * | 2015-09-29 | 2015-12-09 | 中国人民解放军第二军医大学 | Plug device for assisting aneurysmal neck |
| CN105148379A (en) * | 2015-10-10 | 2015-12-16 | 江苏耀华医疗器械科技有限公司 | Guide wire provided with scales |
| CN106861020A (en) * | 2017-03-15 | 2017-06-20 | 北京聚精瑞生医疗科技有限公司 | A kind of fluorography moves under water puncture seal wire |
| CN106861020B (en) * | 2017-03-15 | 2024-02-20 | 北京聚精瑞生医疗科技有限公司 | Fluorescence self-development diving puncture guide wire |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20180312 |