CN103706020A - Method for generating super-lubricity coating and guide wire - Google Patents
Method for generating super-lubricity coating and guide wire Download PDFInfo
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- CN103706020A CN103706020A CN201310752579.2A CN201310752579A CN103706020A CN 103706020 A CN103706020 A CN 103706020A CN 201310752579 A CN201310752579 A CN 201310752579A CN 103706020 A CN103706020 A CN 103706020A
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- seal wire
- section
- superslide coating
- silk screen
- screen cylinder
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Abstract
The invention discloses a guide wire which comprises a guide wire body. The guide wire body comprises a thick metal wire, an elastic metal mesh cylinder and an elastic high-polymer material which covers the thick metal wire and the elastic metal mesh cylinder. The thick metal wire is arranged in the elastic metal mesh cylinder in a sleeved mode. The thick metal wire and the elastic metal mesh cylinder are coaxially arranged. A super-lubricity coating is arranged on the outer surface of the guide wire body. The invention further discloses a method for generating the super-lubricity coating. A polyvinylpyrrolidone water solution is used for directly performing coating, and drying is carried out. The guide wire is light in weight, small in friction coefficient and high in anti-bending capacity.
Description
Technical field
The present invention relates to medical devices technical field, particularly relate to a kind of generation method and seal wire of superslide coating.
Background technology
The medical guiding wire that intervenient cure is used, support the use with corresponding volume medical apparatus and instruments, traditional medical guiding wire is made by 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.
Summary of the invention
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 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 guaranteeing 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 make superslide coating and process, 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.Outer surface at seal wire body adopts the aqueous solution of polyvinylpyrrolidone directly to apply, and dries afterwards again and forms 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.Outer surface at seal wire body adopts the aqueous solution of polyvinylpyrrolidone directly to apply, and dries afterwards again and forms superslide coating, then superslide coating is carried out to crosslinking with radiation with ultraviolet, increases the persistency of superslide coating.
In an embodiment, the crosslinked time of ultraviolet radiation is 15 to 30 minutes therein.
Below the advantage of technical solution of the present invention or principle are described.
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 guaranteeing 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 make superslide coating and process, coefficient of friction is little, can adapt to the demand of multiple interventional therapy.
Accompanying drawing explanation
Fig. 1 is the structural representation of seal wire described in the embodiment of the present invention;
Fig. 2 is the structural representation described in the embodiment of the present invention 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.
The specific embodiment
Below in conjunction with accompanying drawing, the advantage of the embodiment of the present invention or principle are described.
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 guaranteeing 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.
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.Outer surface at seal wire body 10 adopts the aqueous solution of polyvinylpyrrolidone directly to apply, and dries afterwards again and forms 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, at the outer surface of seal wire body 10, adopt the aqueous solution of polyvinylpyrrolidone directly to apply, 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.
Below the advantage of technical solution of the present invention or principle are described.
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 guaranteeing 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, the outer surface at seal wire body 10 adopts the aqueous solution of polyvinylpyrrolidone directly to apply, and dries afterwards again and forms superslide coating 50.
7, the outer surface at seal wire body 10 adopts the aqueous solution of polyvinylpyrrolidone directly to apply, and dries afterwards again and forms superslide coating 50, then superslide coating 50 use ultraviolet are carried out to crosslinking with radiation, increases the persistency of superslide coating 50.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
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.
6. a generation method for the superslide coating as described in claim 1 to 5 any one, is characterized in that, adopts the aqueous solution of polyvinylpyrrolidone directly to apply, and dries.
7. the generation method of superslide coating according to claim 6, is characterized in that, in described polyvinylpyrrolidone aqueous solution, the mass percent of polyvinylpyrrolidone is 2% to 5%.
8. the generation method of superslide coating according to claim 7, is characterized in that, the temperature of oven dry is 80 degrees Celsius, and the time of oven dry is 2 to 4 hours.
9. according to the generation method of the superslide coating described in claim 6 to 8 any one, it is characterized in that, also comprise and adopt ultraviolet radiation to be cross-linked.
10. the generation method of superslide coating according to claim 9, is characterized in that, the crosslinked time of ultraviolet radiation is 15 to 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752579.2A CN103706020A (en) | 2013-12-31 | 2013-12-31 | Method for generating super-lubricity coating and guide wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752579.2A CN103706020A (en) | 2013-12-31 | 2013-12-31 | Method for generating super-lubricity coating and guide wire |
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| CN103706020A true CN103706020A (en) | 2014-04-09 |
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| CN201310752579.2A Pending CN103706020A (en) | 2013-12-31 | 2013-12-31 | Method for generating super-lubricity coating and guide wire |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955411A (en) * | 2017-04-10 | 2017-07-18 | 深圳麦普奇医疗科技有限公司 | A kind of new uropoiesis and digestive endoscope zebra superslide seal wire |
| WO2019015548A1 (en) * | 2017-07-17 | 2019-01-24 | 杭州启明医疗器械有限公司 | Guide wire |
| CN114618070A (en) * | 2022-01-27 | 2022-06-14 | 聚辉医疗科技(深圳)有限公司 | Micro-guide wire |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6139510A (en) * | 1994-05-11 | 2000-10-31 | Target Therapeutics Inc. | Super elastic alloy guidewire |
| US20040167438A1 (en) * | 2003-02-26 | 2004-08-26 | Sharrow James S. | Reinforced medical device |
| US20090306546A1 (en) * | 2005-12-28 | 2009-12-10 | C.R. Bard Inc. | Kink-Resistant Guidewire Having Increased Column Strength |
| CN202859876U (en) * | 2009-12-28 | 2013-04-10 | 泰尔茂株式会社 | Guide wire |
| CN203154553U (en) * | 2012-12-14 | 2013-08-28 | 上海微创医疗器械（集团）有限公司 | Guide wire for transradial artery interventional imaging |
| CN203736682U (en) * | 2013-12-31 | 2014-07-30 | 广州市凌捷医疗器械有限公司 | Guide wire |
-
2013
- 2013-12-31 CN CN201310752579.2A patent/CN103706020A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6139510A (en) * | 1994-05-11 | 2000-10-31 | Target Therapeutics Inc. | Super elastic alloy guidewire |
| US20040167438A1 (en) * | 2003-02-26 | 2004-08-26 | Sharrow James S. | Reinforced medical device |
| US20090306546A1 (en) * | 2005-12-28 | 2009-12-10 | C.R. Bard Inc. | Kink-Resistant Guidewire Having Increased Column Strength |
| CN202859876U (en) * | 2009-12-28 | 2013-04-10 | 泰尔茂株式会社 | Guide wire |
| CN203154553U (en) * | 2012-12-14 | 2013-08-28 | 上海微创医疗器械（集团）有限公司 | Guide wire for transradial artery interventional imaging |
| CN203736682U (en) * | 2013-12-31 | 2014-07-30 | 广州市凌捷医疗器械有限公司 | Guide wire |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955411A (en) * | 2017-04-10 | 2017-07-18 | 深圳麦普奇医疗科技有限公司 | A kind of new uropoiesis and digestive endoscope zebra superslide seal wire |
| WO2019015548A1 (en) * | 2017-07-17 | 2019-01-24 | 杭州启明医疗器械有限公司 | Guide wire |
| CN114618070A (en) * | 2022-01-27 | 2022-06-14 | 聚辉医疗科技(深圳)有限公司 | Micro-guide wire |
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Application publication date: 20140409 |