CN109965922A - Medical interventional guide wires - Google Patents
Medical interventional guide wires Download PDFInfo
- Publication number
- CN109965922A CN109965922A CN201711450017.7A CN201711450017A CN109965922A CN 109965922 A CN109965922 A CN 109965922A CN 201711450017 A CN201711450017 A CN 201711450017A CN 109965922 A CN109965922 A CN 109965922A
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- Prior art keywords
- interventional guide
- guide wires
- coating
- core filaments
- medical
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- 238000000576 coating method Methods 0.000 claims abstract description 98
- 239000011248 coating agent Substances 0.000 claims abstract description 97
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 29
- 230000010148 water-pollination Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 12
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 16
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- 208000014674 injury Diseases 0.000 description 6
- 230000008733 trauma Effects 0.000 description 6
- 230000006399 behavior Effects 0.000 description 3
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 3
- 229910001000 nickel titanium Inorganic materials 0.000 description 3
- 238000013146 percutaneous coronary intervention Methods 0.000 description 3
- -1 Nitinol Chemical class 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000007459 endoscopic retrograde cholangiopancreatography Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 210000001765 aortic valve Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000001621 ilium bone Anatomy 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000002504 lithotomy Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00938—Material properties hydrophobic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00942—Material properties hydrophilic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00982—General structural features
Abstract
This application involves the field of medical instrument technology more particularly to a kind of medical interventional guide wires, it may include: interventional guide wire ontology；Mixed coating, on the surface coated on the interventional guide wire ontology；Wherein, the mixed coating includes multiple coated elements, at least partly has different hydrophily and/or hydrophobicity between coated elements in the multiple coated elements.Above-mentioned medical interventional guide wires, logical use includes the mixed coating with different hydrophily and/or hydrophobic multiple coated elements, so that interventional guide wire has and the matched push drag characteristic of minimally invasive intervention demand, it can be while reduction causes damage to blood vessel or cavity etc., manipulation feel is effectively promoted, avoids causing undesirable influence to minimally invasive intervention operation due to interventional guide wire enters the factors such as blood vessel or cavity branch.
Description
Technical field
This application involves the field of medical instrument technology, more particularly to a kind of medical interventional guide wires.
Background technique
Medical interventional guide wires are widely used in such as various Micro trauma intervention operations as guidance locating apparatus.
But the push resistance of current medical interventional guide wires, which can not intervene demand with corresponding Micro trauma, to match, when
Easily blood vessel or cavity are caused to damage when the push resistance of interventional guide wire is larger, and the smaller Shi Huiying of push resistance of interventional guide wire
Manipulation feel is rung, and easily enters blood vessel or cavity branch, or even conduit or internal can be sliding out, and then extend operating time.
Summary of the invention
Based on this, it is necessary to provide a kind of medical interventional guide wires in view of the above technical problems, be situated between by providing with Micro trauma
Enter the matched push resistance of demand, with reduce to blood vessel or cavity etc. cause damage while, promoted manipulation feel, avoid because
Interventional guide wire enters the factors such as blood vessel or cavity branch and causes undesirable influence to Micro trauma intervention operation.
A kind of medical interventional guide wires, it may include:
Interventional guide wire ontology；
Mixed coating, on the surface coated on the interventional guide wire ontology；
Wherein, the mixed coating includes multiple coated elements of successively arranged adjacent, in the multiple coated elements extremely
There is different hydrophily and/or hydrophobicity between small part coated elements.
Above-mentioned medical interventional guide wires, logical use includes having different hydrophilies and/or hydrophobic multiple coating lists
Member mixed coating so that interventional guide wire have with the matched push drag characteristic of minimally invasive intervention demand, can reduce to blood vessel
Or cavity etc. effectively promotes manipulation feel while cause damage, avoid entering because of interventional guide wire blood vessel or cavity branch etc. because
Element and on minimally invasive intervention perform the operation cause undesirable influence.
In an alternative embodiment, the multiple coated elements include alternately arranged hydrophilic coating unit and dredge
Aqueous coating unit.
In an alternative embodiment, the material of the hydrophilic coating unit is polyvinylpyrrolidone；And/or
The material of the hydrophobic coating unit is Teflon.
In an alternative embodiment, along the interventional guide wire ontology axial direction, the multiple coated elements have
Identical length.
In an alternative embodiment, the interventional guide wire ontology includes:
Core filaments；
Spring wrapping wire is sheathed on the surface of the core filaments；
Wherein, the surface of the spring wrapping wire is coated with the mixed coating.
In an alternative embodiment, spring wrapping wire part winds the part of the surface of the core filaments；
Wherein, the surface of the exposure of the core filaments is coated with the mixed coating.
In an alternative embodiment, the thickness of the mixed coating on the surface of the exposure of the core filaments be greater than or
Equal to the string diameter of the spring wrapping wire.
In an alternative embodiment, the thickness of the mixed coating on the surface of the exposure of the core filaments is equal to institute
State the string diameter of spring wrapping wire and the sum of the thickness of mixed coating being located on the spring wrapping wire.
In an alternative embodiment, the cross-sectional shape of the spring wrapping wire is rectangle or circle.
In an alternative embodiment, the length of the core filaments is 80cm~450cm, the length of any one coated elements
Degree is all larger than or is equal to 5cm.
In an alternative embodiment, the material of the core filaments is stainless steel or Nitinol.
In an alternative embodiment, the core filaments include head end end and main part；
Wherein, the spring wrapping wire is sheathed on the surface of the main part；The shape of the head end end be linear,
J-shaped or angle-style.
In an alternative embodiment, the mixed coating is flexible coating.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of medical interventional guide wires in one embodiment；
Fig. 2 is in Fig. 1 along the diagrammatic cross-section in the direction A-A；
Fig. 3 is in Fig. 1 along the diagrammatic cross-section in the direction B-B；
Fig. 4 is the structural schematic diagram of the interventional guide wire ontology of the coated elements in an embodiment with different length；
Fig. 5 is the structural schematic diagram of core filaments in an embodiment；
Fig. 6 is the structural schematic diagram that guidewire body is intervened in an embodiment；
Fig. 7 is in Fig. 6 along the schematic diagram of the section structure in the direction C-C；
Fig. 8 is the axial the schematic diagram of the section structure in another embodiment along medical interventional guide wires；
Fig. 9 is the structural schematic diagram of the spring wrapping wire in one embodiment coated with hydrophilic coating unit；
Figure 10 is the structural schematic diagram of the spring wrapping wire in another embodiment coated with hydrophilic coating unit；
Figure 11 is the structural schematic diagram that the medical interventional guide wires of partial spring wrapping wire are wound in core filaments.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the structural schematic diagram of medical interventional guide wires in one embodiment, and Fig. 2 is that the section in Fig. 1 along the direction A-A shows
It is intended to, Fig. 3 is in Fig. 1 along the diagrammatic cross-section in the direction B-B.As shown in Figures 1 to 3, a kind of medical interventional guide wires 10, can be applied to
Such as PCI (percutaneous coronary intervention, percutaneous coronary intervention (pci)), TAVI
(Transcatheter Aortic Valve Implantation, through conduit aorta petal implantation), ERCP
(Endoscopic Retrograde Colangio-Pancreatography, through endoscopic retrograde cholangiopancreatography), URL
(Ureteroscopic Lithotomy or Lithotripsy, ureteroscope take stone or lithotrity), PCNL
The intervention such as (Percutaneous nephroscope lithoipsy, percutaneous nephroscope lithotripsy stone-extraction operation) blood vessels or Non-vascularized iliac bone
In operation, which may include mixed coating 11 and interventional guide wire ontology 12, and mixed coating 11 can be coated in
On the surface of interventional guide wire ontology 12；Wherein, mixed coating 11 may include being arranged successively along 12 axial direction of interventional guide wire ontology
Multiple coated elements, and in multiple coated elements at least partly between coated elements with different water-wet behavior and/or
Hydrophobic property has matching push resistance special so that the medical interventional guide wires 10 can intervene demand according to Micro trauma
Property, so be effectively reduced to blood vessel or cavity etc. cause damage while, to promote manipulation feel, so as to avoid because be situated between
Enter seal wire to enter the factors such as blood vessel or cavity branch and cause undesirable influence to Micro trauma intervention operation.
In an alternative embodiment, multiple coated elements included by mixed coating 11 can be multiple hydrophilic coatings
Unit, and can have different water-wet behaviors between different hydrophilic coating units；Certainly, more included by mixed coating 11
A coated elements can be multiple hydrophobic coating units, and can have different hydrophobic spies between different hydrophobic coating units
Property.As shown in Figures 1 to 3, multiple coated elements included by mixed coating 11 can also include hydrophilic coating unit 111 simultaneously
With hydrophobic coating unit 112, and there can also be identical or different hydrophilic spy between different hydrophilic coating units 111
Property, and can also have identical or different hydrophobic property between different hydrophobic coating units 112；For the ease of manufacturing
With reduce cost, be with multiple coated elements of mixed coating 11 in embodiments herein include that water-wet behavior is identical
It is illustrated for multiple hydrophilic coating units 111 multiple hydrophobic coating units 112 identical with hydrophobic property, but its
It should not be construed as the limitation to application.
Specifically, as shown in Figures 1 to 3, hydrophilic coating unit 111 and hydrophobic coating unit 112 are alternately arranged coating
Material in the surface of interventional guide wire ontology 12, such as hydrophobic coating unit 112 can have biofacies for Teflon etc.
The hydrophobicity medical material (such as inert material) of capacitive, and the material of hydrophilic coating unit 111 then can be polyvinylpyrrolidine
The hydrophilic medicals material such as ketone.The coating of the alternating of hydrophilic coating unit 111 and hydrophobic coating unit 112 is able to ascend medical
The push performance of interventional guide wire 10, makes it more can quickly reach diseased region.In addition, since medical interventional guide wires 10 are using
It is frequently necessary to be bent in the process, coating 11 can be the film layer with certain elasticity, so that being bent in medical interventional guide wires 10
When it is not easily to fall off, avoid coating 11 from falling off to patient's bring security risk, while also can effectively promote medical interventional guide wires
10 service life.
Further, in order to promoted control medical interventional guide wires 10 push resistance accuracy, can also according to demand by
Different multiple coated elements are set as in the identical or different length having along 12 direction of interventional guide wire ontology, as long as that is,
It can be realized the handling and smoothness of control medical interventional guide wires 10 by the alternately adjustable coated elements of coated length.
Specifically, as shown in Figure 1, hydrophilic coating unit 111 and hydrophobic coating unit 112 alternately uniformly arrange and are coated on intervention
The surface of guidewire body 12, and other than material is different, outer shape and size (such as thickness, along 12 axis of interventional guide wire ontology
Length etc. on direction) it is all the same；It is medical when hydrophilic coating replaces with hydrophobic coating coating and coated length is close to 1:1
The smoothness of interventional guide wire 10 and the balance of operability are best.It certainly, can also according to demand, as shown in figure 4, by hydrophilic coating
Unit 111 and hydrophobic coating unit 112 are coated on the surface of interventional guide wire ontology 12 in mode different in size.
Fig. 5 is the structural schematic diagram of core filaments in an embodiment, and Fig. 6 is the structural representation that guidewire body is intervened in an embodiment
Figure, Fig. 7 is along the schematic diagram of the section structure in the direction C-C in Fig. 6, and Fig. 8 is the axis in another embodiment along medical interventional guide wires
To the schematic diagram of the section structure.As shown in figures 5-8, in an alternative embodiment, interventional guide wire ontology 12 may include core filaments
13 and the spring wrapping wire 14 (as shown in Figure 6) that is sheathed on the core filaments 13, and can be coated on the surface of spring wrapping wire 14
Mixed coating 11 (as shown in Figure 8).Wherein, the material of core filaments 13 can be stainless steel (such as stainless steel 304, stainless steel 304 V or not
Become rusty steel 316 etc.) or the metals such as Nitinol, body bar main body of the core filaments 13 as medical interventional guide wires 10, to be used for in art
Instrument provides support force and turns round control power；The material of spring wrapping wire 14 can also for stainless steel (such as stainless steel 304, stainless steel 304 V or
Stainless steel 316 etc.) or the metals such as Nitinol, cross section can be the shapes such as round or rectangle, and can be by such as welding, gluing
It the modes such as connects, forge and press to be set in spring wrapping wire 14 in core filaments 13 (as shown in figs. 6-7), so that medical interventional guide wires 10 have
Required flexibility.
Further, as shown in figure 5, core filaments 13 may include head end end 131 and main part 132, and the head end end 131
It can be the shapes such as linear, J-shaped or angle-style；Spring wrapping wire 14 can close on 131 part of head end end be sheathed on main part 132 it
On, i.e., the length of spring wrapping wire 14 be less than main part 132 length (as shown in figure 11)；It certainly, can also be according to demand by spring
The length of wrapping wire 14 is matched with the length of main part 132, so that spring wrapping wire 14 can be arranged core filaments 13, i.e. core filaments 13 completely
Through whole spring wrapping wire 14 (as shown in Figure 6).Wherein, the length of core filaments 13 can for 80cm~450cm (such as 80cm, 120cm,
150cm, 200cm, 250cm, 300cm, 400cm or 450cm etc.)；Each 11 (such as 111 He of hydrophilic coating unit of coated elements
Hydrophobic coating unit 112) length be 5cm~150cm (such as 5cm, 10cm, 30cm, 60cm, 80cm, 100cm, 1250cm or
150cm etc.)；The quantity general control of coated elements is 20 or so (such as 16,18,20 or 22), and every kind of coated elements 11
The quantity of (such as hydrophilic coating unit 111 or hydrophobic coating unit 112) is 1~10 (such as 1,2,4,6,8 or 10).Example
Such as, as shown in Figure 1, the length (i.e. the length of core filaments 13) of interventional guide wire ontology 12 is 180cm, the table of the interventional guide wire ontology 12
It is coated with alternately arranged 12 sections of coated elements (112 each 6 sections of hydrophilic coating unit 111 and hydrophobic coating unit) on face,
And the length of every section of coated elements is 15cm.
Fig. 9 is the structural schematic diagram of the spring wrapping wire in one embodiment coated with hydrophilic coating unit, and Figure 10 is another
The structural schematic diagram of spring wrapping wire in a embodiment coated with hydrophilic coating unit.It is optional at one as shown in Fig. 9~10
In embodiment, coating 11 can first be coated in the outer surface of spring wrapping wire 13, the sheathed spring core on the main part 132 of core filaments 13
Silk 14, and if when be fixed on core filaments spring wrapping wire 14 to be arranged, be coated with coating 11, coat the coating 11 of formation at this time
Also the surface (gap i.e. between spring ring) that core filaments upper spring wrapping wire 14 is exposed can be covered (as shown in Figure 9), together
When the head end end 131 of core filaments can also be covered.Head end end 131 can be obviously improved medical intervention with hydrophilic coating and lead
Silk 10 can pushability, avoid that blood vessel or cavity etc. are caused to damage；And it is located at the interventional guide wire ontology distalmost end and (is distally
In the course of surgery far from one end of human body) one section of coated elements be hydrophilic coating unit, more can further promote doctor
With interventional guide wire 10 can pushability.Certainly, in other embodiments, which is also suitable for coated with hydrophobic coating unit
Spring wrapping wire, embodiments herein are without limitation.
It further, can also be by that will cover in order to reduce resistance caused by being formed by male and fomale(M&F) between spring ring
It is greater than or equal to the string diameter of spring wrapping wire 14 in the thickness of the coating on core filaments surface, such as along 13 radial direction of core filaments, so that
The thickness for being covered on the coating on core filaments surface is equal to the string diameter and the thickness for the coating being covered on spring wrapping wire of spring wrapping wire 14
The sum of, i.e., it is as shown in Figure 10, so that the coating 11 being covered in core filaments 13 has a smooth surface.
Figure 11 is the structural schematic diagram that the medical interventional guide wires of partial spring wrapping wire are wound in core filaments.As shown in figure 11,
When being only partially arranged with spring core filaments 14 on the main part 132 of core filaments 13, i.e., the length of spring core filaments 14 is less than main part
132 length, and neighbouring head end end 131 is set in main part 132, hydrophilic coating unit 111 and hydrophobic coating
Unit 112 is alternately arranged the surface exposed coated on spring core filaments 14 and main part 132 and (is not covered by spring core filaments 14
Surface), and the length of the main part 132 is 120cm, alternately arranged 9 sections of coated elements 11 (hydrophilic coating unit 111
Totally 4 sections and totally 5 sections of hydrophobic coating unit 112), and with head end end 131 with starting point along 13 axial direction of core filaments, coated elements
Length be followed successively by 10cm, 10cm, 10cm, 10cm, 10cm, 15cm, 20cm, 20cm, 15cm, in the present embodiment, be located at institute
The one section of coated elements given an account of into guidewire body distalmost end (distal end i.e. in the course of surgery far from one end of human body) are hydrophobicity
Coated elements, but in other embodiments, can also be hydrophilic coating unit, without limitation in embodiments herein.
In conclusion the documented medical interventional guide wires in embodiments herein, pass through the appearance in guidewire body
Alternately coating has different hydrophilic or hydrophobic property and length-adjustable coating in face, that is, passes through coating number of segment on control guidewire body
Amount, distribution order and length etc., enable the push resistance of interventional guide wire accurately to match with the accordingly demand of performing the operation；Example
When such as, using alternately arranged hydrophilic coating and hydrophobic coating, the push resistance of interventional guide wire can be made between using full parent
Between water coating seal wire and full hydrophobic coating seal wire, then by the length of each section of coated elements of control, it can to push resistance
It is more controllable, so as to effectively promote the push performance of medical interventional guide wires, so that push seal wire in use can
Fast and accurate realization guidance positioning.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (12)
1. a kind of medical interventional guide wires characterized by comprising
Interventional guide wire ontology；
Mixed coating, on the surface coated on the interventional guide wire ontology；
Wherein, the mixed coating includes multiple coated elements, in the multiple coated elements at least partly between coated elements
With different hydrophily and/or hydrophobicity.
2. medical interventional guide wires as described in claim 1, which is characterized in that the multiple coated elements include alternately arranged
Hydrophilic coating unit and hydrophobic coating unit.
3. medical interventional guide wires as claimed in claim 2, which is characterized in that the material of the hydrophilic coating unit is poly- second
Alkene pyrrolidone；And/or
The material of the hydrophobic coating unit is Teflon.
4. medical interventional guide wires as claimed in claim 2, which is characterized in that along the interventional guide wire ontology axial direction, institute
State multiple coated elements length having the same.
5. the medical interventional guide wires as described in any one of Claims 1 to 4, which is characterized in that the interventional guide wire ontology
Include:
Core filaments；
Spring wrapping wire is sheathed on the surface of the core filaments；
Wherein, the surface of the spring wrapping wire is coated with the mixed coating.
6. medical interventional guide wires as claimed in claim 5, which is characterized in that the spring wrapping wire winds the part of the core filaments
Surface；
Wherein, the surface of the exposure of the core filaments is also coated with the mixed coating.
7. medical interventional guide wires as claimed in claim 6, which is characterized in that mixed on the surface of the exposure of the core filaments
The thickness for closing coating is greater than or equal to the string diameter of the spring wrapping wire.
8. medical interventional guide wires as claimed in claim 7, which is characterized in that mixed on the surface of the exposure of the core filaments
The thickness for closing coating is equal to the string diameter of the spring wrapping wire and the sum of the thickness of mixed coating being located on the spring wrapping wire.
9. medical interventional guide wires as claimed in claim 5, which is characterized in that the cross-sectional shape of the spring wrapping wire is rectangle
Or it is round.
10. medical interventional guide wires as claimed in claim 5, which is characterized in that the length of the core filaments is 80cm~450cm,
The length of any one coated elements is all larger than or is equal to 5cm.
11. medical interventional guide wires as claimed in claim 5, which is characterized in that the core filaments include head end end and main part；
Wherein, the spring wrapping wire is sheathed on the surface of the main part；The shape of the head end end is linear, J-shaped
Or angle-style.
12. medical interventional guide wires as described in claim 1, which is characterized in that the mixed coating is flexible coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450017.7A CN109965922A (en) | 2017-12-27 | 2017-12-27 | Medical interventional guide wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450017.7A CN109965922A (en) | 2017-12-27 | 2017-12-27 | Medical interventional guide wires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109965922A true CN109965922A (en) | 2019-07-05 |
Family
ID=67071823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711450017.7A Pending CN109965922A (en) | 2017-12-27 | 2017-12-27 | Medical interventional guide wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109965922A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898311A (en) * | 2019-12-18 | 2020-03-24 | 苏州恒瑞迪生医疗科技有限公司 | Microcatheter system and methods of packaging and using same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK194091D0 (en) * | 1991-11-29 | 1991-11-29 | Metra Aps | HYDROPHIL AND BIO-COMPATIBLE COATED SURFACES |
| US5217026A (en) * | 1992-04-06 | 1993-06-08 | Kingston Technologies, Inc. | Guidewires with lubricious surface and method of their production |
| JP2000185101A (en) * | 1998-12-24 | 2000-07-04 | Kanegafuchi Chem Ind Co Ltd | Expansion catheter |
| US20030069522A1 (en) * | 1995-12-07 | 2003-04-10 | Jacobsen Stephen J. | Slotted medical device |
| US20070060846A1 (en) * | 2005-09-15 | 2007-03-15 | Wilson-Cook Medical Inc. | Multiple stage wire guide |
| JP2011110392A (en) * | 2009-11-24 | 2011-06-09 | Trs:Kk | Guide wire for endoscope |
-
2017
- 2017-12-27 CN CN201711450017.7A patent/CN109965922A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK194091D0 (en) * | 1991-11-29 | 1991-11-29 | Metra Aps | HYDROPHIL AND BIO-COMPATIBLE COATED SURFACES |
| US5217026A (en) * | 1992-04-06 | 1993-06-08 | Kingston Technologies, Inc. | Guidewires with lubricious surface and method of their production |
| US20030069522A1 (en) * | 1995-12-07 | 2003-04-10 | Jacobsen Stephen J. | Slotted medical device |
| JP2000185101A (en) * | 1998-12-24 | 2000-07-04 | Kanegafuchi Chem Ind Co Ltd | Expansion catheter |
| US20070060846A1 (en) * | 2005-09-15 | 2007-03-15 | Wilson-Cook Medical Inc. | Multiple stage wire guide |
| JP2011110392A (en) * | 2009-11-24 | 2011-06-09 | Trs:Kk | Guide wire for endoscope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898311A (en) * | 2019-12-18 | 2020-03-24 | 苏州恒瑞迪生医疗科技有限公司 | Microcatheter system and methods of packaging and using same |
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