CN104688235A - Mapping micro guide wire and manufacturing method thereof - Google Patents
Mapping micro guide wire and manufacturing method thereof Download PDFInfo
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- CN104688235A CN104688235A CN201510112168.6A CN201510112168A CN104688235A CN 104688235 A CN104688235 A CN 104688235A CN 201510112168 A CN201510112168 A CN 201510112168A CN 104688235 A CN104688235 A CN 104688235A
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- micro
- wire
- core silk
- conveying core
- scale strip
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
Abstract
The invention belongs to the field of medical apparatuses and instruments, and particularly relates to a mapping micro guide wire and a manufacturing method thereof. The mapping micro guide wire comprises a conveying core wire. A plurality of scale strips are arranged on the conveying core wire in the length direction of the conveying core wire. The scale strips are developed under irradiation of X rays. The size of a vasculopathy part can be accurately measured through the mapping micro guide wire under the irradiation of X rays, and therefore the success rate of follow-up operations is increased, the operation process is simplified as much as possible, operation expenses are reduced to a great extent, and burdens on patients are reduced.
Description
Technical field
The invention belongs to medical instruments field, particularly relate to a kind of mapping micro-wire and preparation method thereof.
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.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of mapping micro-wire and preparation method thereof, mapping micro-wire provided by the invention can accurately measure the size at vascular lesion position.
The invention provides a kind of mapping micro-wire, comprise 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.
The invention provides a kind of preparation method of mapping micro-wire, comprise 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.
Preferably, the mode of described welding is soldering or laser weld.
Compared with prior art, the invention provides a kind of mapping micro-wire and preparation method thereof.Mapping micro-wire provided by the invention 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.Mapping micro-wire provided by the invention 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.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention 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 embodiments of the invention, 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 the embodiment of the present invention;
Fig. 2 measures aneurysmal use schematic diagram for the mapping micro-wire that the embodiment of the present invention provides;
The use schematic diagram of the mapping micro-wire measurement blood vessel that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of mapping micro-wire, comprise 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 the embodiment of the present invention, wherein, 1 is conveying core silk, and 2 is several scale strips, and 3 is conductive filament heads.
Mapping micro-wire provided by the invention comprises conveying core silk 1, and conveying core silk 1 is provided with several scale strips 2 along its length.In an embodiment provided by the invention, the material of conveying core silk 1 is Nitinol and/or rustless steel.In an embodiment provided by the invention, the diameter of conveying core silk 1 is 0.20 ~ 1.0mm.In an embodiment provided by the invention, the length of conveying core silk 1 is 130 ~ 300cm.In an embodiment provided by the invention, the surface-coated of conveying core silk 1 has hydrophilic layer or hydrophobic layer.In an embodiment provided by the invention, the material of described hydrophilic layer is polyvinylpyrrolidone, and the material of described hydrophobic layer is politef.In an embodiment provided by the invention, the thickness of described hydrophilic layer or hydrophobic layer is 0.006 ~ 0.025mm.
In the present invention, scale strip 2 develops under x-ray bombardment.In embodiment provided by the invention, the material of scale strip 2 is platinum, platinum alloy, gold, nickel alloy, titanium alloy or rustless steel.In an embodiment provided by the invention, the width of scale strip 2 is 0.2 ~ 1.0mm.In an embodiment provided by the invention, the length of scale strip 2 is equal with the girth of conveying core silk 1 excircle.In an embodiment provided by the invention, the number of some scale strips 2 is 6 ~ 12.In an embodiment provided by the invention, the spacing of adjacent scale strip 2 is 0.5 ~ 3mm; In another embodiment provided by the invention, the spacing of adjacent scale strip 2 is equal.In an embodiment provided by the invention, scale strip 2 is the raised item of the excircle setting along conveying core silk 1.In an embodiment provided by the invention, scale strip 2 is connected by the mode of welding with conveying core silk 1.
In an embodiment provided by the invention, mapping micro-wire also comprises conductive filament head 3, and conductive filament head 3 is connected with conveying core silk 1.In an embodiment provided by the invention, 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 an embodiment provided by the invention, the material of conductive filament head 3 is platinum, platinum alloy, tungsten, billon or rustless steel.In an embodiment provided by the invention, conductive filament head 3 is turned to by tinsel, helically spring-like.In an embodiment provided by the invention, described diameter wiry is 0.05 ~ 0.25mm.In the embodiment of a conductive filament head 3 provided by the invention 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 a conductive filament head 3 provided by the invention helically spring-like, conductive filament head 3 is 5 ~ 100mm along the length of its axis.
In the present invention, 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.
Mapping micro-wire provided by the invention 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 the present invention, 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 mapping micro-wire particularly suitable Rhizoma Atractylodis Macrocephalae provided by the invention, namely mapping micro-wire is transported to target lesion place along microtubular and measures.
The invention provides a kind of preparation method of mapping micro-wire, comprise 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 preparation method provided by the invention, directly carry the length direction of core silk to be welded on conveying core silk along micro-wire several scale strips and can obtain mapping micro-wire provided by the invention.
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 the present invention 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 the present invention, 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.
Adopt preparation method provided by the invention 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 the embodiment of the present invention 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 the embodiment of the present invention 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 the embodiment of the present invention 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 the embodiment of the present invention 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 the embodiment of the present invention, 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 the preferred embodiment of the present invention; 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 make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
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.
9. a preparation method for 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.
10. preparation method according to claim 9, is characterized in that, the mode of described welding is soldering or laser weld.
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| CN201510112168.6A CN104688235B (en) | 2015-03-12 | 2015-03-12 | Mapping micro guide wire and manufacturing method thereof |
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| CN201510112168.6A CN104688235B (en) | 2015-03-12 | 2015-03-12 | Mapping micro guide wire and manufacturing method thereof |
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| CN106264750A (en) * | 2016-10-21 | 2017-01-04 | 复旦大学附属华山医院 | A kind of coagulation hook measurement apparatus and measuring method |
| CN114145733A (en) * | 2020-09-07 | 2022-03-08 | 先健科技(深圳)有限公司 | Measuring device, measuring system and measuring method |
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Effective date of registration: 20230118 Address after: 1049, Floor 1, Guoyuan Xili (shopping mall), Miyun Town, Miyun District, Beijing, 101500 Patentee after: Beijing kelaiwen Technology Consulting Co.,Ltd. Address before: No. 009, Xiangxiang Avenue, Xiangxiang Economic Development Zone, Xiangtan City, Hunan Province 411400 Patentee before: APT MEDICAL Inc. |