CN203736682U - Guide wire - Google Patents
Guide wire Download PDFInfo
- Publication number
- CN203736682U CN203736682U CN201320893640.0U CN201320893640U CN203736682U CN 203736682 U CN203736682 U CN 203736682U CN 201320893640 U CN201320893640 U CN 201320893640U CN 203736682 U CN203736682 U CN 203736682U
- Authority
- CN
- China
- Prior art keywords
- seal wire
- section
- metal
- silk screen
- screen cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 19
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 15
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 9
- 229920002530 polyetherether ketone Polymers 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 229920002313 fluoropolymer Polymers 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 6
- 239000004626 polylactic acid Substances 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000002861 polymer material Substances 0.000 abstract 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 12
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 12
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 10
- 238000002560 therapeutic procedure Methods 0.000 description 10
- 230000005855 radiation Effects 0.000 description 6
- 239000007769 metal material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920002614 Polyether block amide Polymers 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Materials For Medical Uses (AREA)
Abstract
The utility model discloses a guide wire comprising a guide wire body. The guide wire body comprises a metal thick wire, an elastic metal wire meshed tube, and elastic polymer material covering the metal thick wire and the elastic metal wire meshed tube. The metal thick wire is nested in the elastic metal wire meshed tube. The metal thick wire and the elastic metal wire meshed tube are coaxial. An ultra-smooth coating is arranged on the outer surface of the guide wire body. The guide wire is light in weight, small in friction coefficient and high in bending resistance.
Description
Technical field
This utility model relates to medical devices technical field, particularly relates to a kind of seal wire.
Background technology
The medical guiding wire that intervenient cure uses, support the use with corresponding volume medical apparatus and instruments, traditional medical guiding wire is made up of rustless steel, the elastic strain limit of material is less than 1%, by 1 crin, 1 filament and form around spring outward, the large use trouble of coefficient of friction of seal wire, and the ability of anti-folding is general.
Utility model content
Based on this, be necessary for prior art defect, a kind of lightweight, coefficient of friction is little and bend resistance ability is strong seal wire is provided.
Its technical scheme is as follows.
A kind of seal wire, comprises seal wire body, and described seal wire body comprises the elasticity macromolecular material of metal crin, elastic metallic silk screen cylinder and coated this metal crin, elastic metallic silk screen cylinder; Described metal crin is sheathed in described elastic metallic silk screen cylinder, and described metal crin and described elastic metallic silk screen cylinder coaxially arrange; The outer surface of described seal wire body is provided with superslide coating.The use amount of the metal material of metal crin declines, and makes the unit weight of seal wire little.Meanwhile, the elasticity macromolecular material of clad metal crin and elastic metallic silk screen cylinder are except ensureing the deflection of seal wire, and the bending resistance that can also improve seal wire makes middle metal crin be difficult for bending.Moreover after metal crin and the coated macromolecular material of elastic metallic silk screen cylinder, its outer wall is smooth and do the processing of superslide coating, coefficient of friction is little, can adapt to the demand of multiple interventional therapy.
In an embodiment, described metal crin comprises interconnective wide section and thin diameter section therein, and described wide section, thin diameter section are coaxial setting, and the diameter of described wide section is greater than the diameter of described thin diameter section.Metal crin has wide section and thin diameter section, makes thin diameter section have larger elastic deformation ability.
In an embodiment, described thin diameter section comprises interconnective straight long portion and bending section therein, and described bending section is connected with described wide section by described straight long portion.Thin diameter section has bending section, to be applicable to the demand of various interventional therapy.
In an enforcement, the diameter range of described seal wire body is 0.45mm to 1.2mm therein.Seal wire body has various diameter, to be applicable to the demand of various interventional therapy.
In an embodiment, described elasticity macromolecular material is polyurethane, polylactic acid, fluoroplastics, thermoplastic elastomer (TPE), nylon elastomer or polyether-ether-ketone therein.Elasticity macromolecular material can adopt polyurethane, polylactic acid, fluoroplastics, thermoplastic elastomer (TPE) (TPE), nylon elastomer (PEBAX) or polyether-ether-ketone (PEEK).
The technical program also provides a kind of generation method of superslide coating, adopts the aqueous solution of polyvinylpyrrolidone directly to apply, and dries.Adopt the aqueous solution of polyvinylpyrrolidone directly to apply at the outer surface of seal wire body, dry again afterwards and form superslide coating.
In an embodiment, in described polyvinylpyrrolidone aqueous solution, the mass percent of polyvinylpyrrolidone is 2% to 5% therein.
In an embodiment, the temperature of oven dry is 80 degrees Celsius therein, and the time of oven dry is 2 to 4 hours.
In an enforcement, also comprise and adopt ultraviolet radiation to be cross-linked therein.Adopt the aqueous solution of polyvinylpyrrolidone directly to apply at the outer surface of seal wire body, dry again afterwards and form superslide coating, then superslide coating is carried out to crosslinking with radiation with ultraviolet, increase the persistency of superslide coating.
In an embodiment, the crosslinked time of ultraviolet radiation is 15 to 30 minutes therein.
Advantage to technical solutions of the utility model or principle describe below.
The use amount of the metal material of the metal crin that the technical program seal wire adopts declines, and makes the unit weight of seal wire little.Meanwhile, the elasticity macromolecular material of clad metal crin and elastic metallic silk screen cylinder are except ensureing the deflection of seal wire, and the bending resistance that can also improve seal wire makes middle metal crin be difficult for bending.Moreover after metal crin and the coated macromolecular material of elastic metallic silk screen cylinder, its outer wall is smooth and do the processing of superslide coating, coefficient of friction is little, can adapt to the demand of multiple interventional therapy.
Brief description of the drawings
Fig. 1 is the structural representation of seal wire described in this utility model embodiment;
Fig. 2 is the structural representation described in this utility model embodiment with the seal wire of bending section;
Description of reference numerals:
10, seal wire body, 20, metal crin, 210, wide section, 220, thin diameter section, 221, long portion directly, 222, bending section, 30, elastic metallic silk screen cylinder, 40, elasticity macromolecular material, 50, superslide coating.
Detailed description of the invention
Advantage or principle below in conjunction with accompanying drawing to this utility model embodiment describe.
Please consider and examine Fig. 1 to 2.Seal wire comprises seal wire body 10, and described seal wire body 10 comprises the elasticity macromolecular material 40 of metal crin 20, elastic metallic silk screen cylinder 30 and coated this metal crin 20, elastic metallic silk screen cylinder 30.Described metal crin 20 is sheathed in described elastic metallic silk screen cylinder 30, and described metal crin 20 coaxially arranges with described elastic metallic silk screen cylinder 30; The outer surface of described seal wire body 10 is provided with superslide coating 50.The use amount of the metal material of metal crin 20 declines, and makes the unit weight of seal wire little.Meanwhile, the elasticity macromolecular material 40 of clad metal crin 20 and elastic metallic silk screen cylinder 30 are except ensureing the deflection of seal wire, and the bending resistance that can also improve seal wire makes middle metal crin 20 be difficult for bending.Moreover after metal crin 20 and the coated macromolecular material of elastic metallic silk screen cylinder 30, its outer wall is smooth and make superslide coating 50 and process, coefficient of friction is little, can adapt to the demand of multiple interventional therapy.
Metal crin 20 comprises interconnective wide section 210 and thin diameter section 220, and described wide section 210, thin diameter section 220 are coaxial setting, and the diameter of described wide section 210 is greater than the diameter of described thin diameter section 220.Metal crin 20 has wide section 210 and thin diameter section 220, makes thin diameter section 220 have larger elastic deformation ability, the bending of thin diameter section 220 decay can be linear can be also nonlinear.In the present embodiment, thin diameter section 220 can entirety be straight long rod shape, also flexible.In the time that thin diameter section 220 is bending, thin diameter section 220 comprises interconnective straight long portion 221 and bending section 222, and described bending section 222 is connected with described wide section 210 by described straight long portion 221.Thin diameter section 220 has bending section 222, to be applicable to the demand of various interventional therapy.
In the present embodiment, preferably the diameter range of seal wire body 10 is 0.45mm to 1.2mm.Seal wire body 10 has various diameter, to be applicable to the demand of various interventional therapy.In the present embodiment, elasticity macromolecular material 40 is polyurethane, polylactic acid, fluoroplastics, thermoplastic elastomer (TPE), nylon elastomer or polyether-ether-ketone.Elasticity macromolecular material 40 can adopt polyurethane, polylactic acid, fluoroplastics, thermoplastic elastomer (TPE) (TPE), nylon elastomer (PEBAX) or polyether-ether-ketone (PEEK).
The present embodiment also provides a kind of generation method of superslide coating 50 of seal wire body 10 outer surfaces, adopts the aqueous solution of polyvinylpyrrolidone directly to apply, and dries.Adopt the aqueous solution of polyvinylpyrrolidone directly to apply at the outer surface of seal wire body 10, dry again afterwards and form superslide coating 50., in described polyvinylpyrrolidone aqueous solution, the mass percent of polyvinylpyrrolidone is 2% to 5%.The temperature of drying is 80 degrees Celsius, and the time of oven dry is 2 to 4 hours.Or, adopt the aqueous solution of polyvinylpyrrolidone directly to apply at the outer surface of seal wire body 10, dry again afterwards and form superslide coating 50, then superslide coating 50 use ultraviolet are carried out to crosslinking with radiation, increase the persistency of superslide coating 50.The crosslinked time of ultraviolet radiation is 15 to 30 minutes.
Advantage to technical solutions of the utility model or principle describe below.
The use amount of the metal material of the metal crin 20 that 1, the present embodiment seal wire adopts declines, and makes the unit weight of seal wire little.Meanwhile, the elasticity macromolecular material 40 of clad metal crin 20 and elastic metallic silk screen cylinder 30 are except ensureing the deflection of seal wire, and the bending resistance that can also improve seal wire makes middle metal crin 20 be difficult for bending.Moreover after metal crin 20 and the coated macromolecular material of elastic metallic silk screen cylinder 30, its outer wall is smooth and make superslide coating 50 and process, coefficient of friction is little, can adapt to the demand of multiple interventional therapy.
2, metal crin 20 has wide section 210 and thin diameter section 220, makes thin diameter section 220 have larger elastic deformation ability.
3, thin diameter section 220 has bending section 222, to be applicable to the demand of various interventional therapy.
4, seal wire body 10 has various diameter, to be applicable to the demand of various interventional therapy.
5, elasticity macromolecular material 40 can adopt polyurethane, polylactic acid, fluoroplastics, thermoplastic elastomer (TPE) (TPE), nylon elastomer (PEBAX) or polyether-ether-ketone (PEEK).
6, adopt the aqueous solution of polyvinylpyrrolidone directly to apply at the outer surface of seal wire body 10, dry again afterwards and form superslide coating 50.
7, adopt the aqueous solution of polyvinylpyrrolidone directly to apply at the outer surface of seal wire body 10, dry again afterwards and form superslide coating 50, then superslide coating 50 use ultraviolet are carried out to crosslinking with radiation, increase the persistency of superslide coating 50.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (5)
1. a seal wire, is characterized in that, comprises seal wire body, and described seal wire body comprises the elasticity macromolecular material of metal crin, elastic metallic silk screen cylinder and coated this metal crin, elastic metallic silk screen cylinder; Described metal crin is sheathed in described elastic metallic silk screen cylinder, and described metal crin and described elastic metallic silk screen cylinder coaxially arrange; The outer surface of described seal wire body is provided with superslide coating.
2. seal wire according to claim 1, is characterized in that, described metal crin comprises interconnective wide section and thin diameter section, and described wide section, thin diameter section are coaxial setting, and the diameter of described wide section is greater than the diameter of described thin diameter section.
3. seal wire according to claim 2, is characterized in that, described thin diameter section comprises interconnective straight long portion and bending section, and described bending section is connected with described wide section by described straight long portion.
4. seal wire according to claim 1, is characterized in that, the diameter range of described seal wire body is 0.45mm to 1.2mm.
5. according to the seal wire described in claim 1 to 4 any one, it is characterized in that, described elasticity macromolecular material is polyurethane, polylactic acid, fluoroplastics, thermoplastic elastomer (TPE), nylon elastomer or polyether-ether-ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893640.0U CN203736682U (en) | 2013-12-31 | 2013-12-31 | Guide wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893640.0U CN203736682U (en) | 2013-12-31 | 2013-12-31 | Guide wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203736682U true CN203736682U (en) | 2014-07-30 |
Family
ID=51336551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320893640.0U Expired - Lifetime CN203736682U (en) | 2013-12-31 | 2013-12-31 | Guide wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203736682U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706020A (en) * | 2013-12-31 | 2014-04-09 | 广州市凌捷医疗器械有限公司 | Method for generating super-lubricity coating and guide wire |
| CN105832329A (en) * | 2016-05-11 | 2016-08-10 | 苏州康晟通医疗科技有限公司 | Electrocardiogram monitoring system |
| CN107362437A (en) * | 2017-08-03 | 2017-11-21 | 湖南埃普特医疗器械有限公司 | A kind of predilation seal wire and preparation method thereof |
| CN107456647A (en) * | 2017-08-03 | 2017-12-12 | 湖南埃普特医疗器械有限公司 | A kind of seal wire and preparation method thereof |
-
2013
- 2013-12-31 CN CN201320893640.0U patent/CN203736682U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706020A (en) * | 2013-12-31 | 2014-04-09 | 广州市凌捷医疗器械有限公司 | Method for generating super-lubricity coating and guide wire |
| CN105832329A (en) * | 2016-05-11 | 2016-08-10 | 苏州康晟通医疗科技有限公司 | Electrocardiogram monitoring system |
| CN107362437A (en) * | 2017-08-03 | 2017-11-21 | 湖南埃普特医疗器械有限公司 | A kind of predilation seal wire and preparation method thereof |
| CN107456647A (en) * | 2017-08-03 | 2017-12-12 | 湖南埃普特医疗器械有限公司 | A kind of seal wire and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |