CN207708311U - A kind of medical guiding wire and medical tubing - Google Patents
A kind of medical guiding wire and medical tubing Download PDFInfo
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- CN207708311U CN207708311U CN201720482940.8U CN201720482940U CN207708311U CN 207708311 U CN207708311 U CN 207708311U CN 201720482940 U CN201720482940 U CN 201720482940U CN 207708311 U CN207708311 U CN 207708311U
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- guiding wire
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Abstract
The utility model is related to area of medical devices, in particular to a kind of medical guiding wire and medical tubing.A kind of medical guiding wire comprising guidewire body, spring protecting sleeve.Spring protecting sleeve is sheathed on one end of guidewire body, and spring protecting sleeve has first end, the second end arranged along spring protecting sleeve length direction.First end is sheathed on guidewire body, and the diameter of the second end is more than the diameter of first end.The utility model also provides a kind of medical tubing comprising above-mentioned seal wire.The setting of spring protecting sleeve makes seal wire integrally being consistent property, increases the support force of seal wire, handling, tracing property, while the setting of spring protecting sleeve makes operator obtain good touch feedback in operation.In withdrawing seal wire repeatedly, seal wire is avoided to be pierced by from the side opening of conduit.
Description
Technical field
The utility model is medical field, specially area of medical devices, is related to a kind of medical guiding wire and medical tubing.
Background technology
Minimally-invasive vascular intervenien therapy technology is gradually pushed away at home in recent years as emerging Advances in Medicine
Extensively, process is under the guiding of medical imaging device, and selectivity send intervention medical equipment through naturally occurring blood vessel access
The many vitals of intelligent's body and position, such as：Heart, liver, brain, kidney, digestive system and reproductive system, to carry out diagnosis and
The important technology and method for the treatment of have the advantages that without surgical operation, wound is small, medical expense relative moderate.
In intervention operation, guiding wire is played the guiding function of catheter directed target area, the tube chamber for opening occlusion.At present
The common seal wire of clinic has two major classes：One kind is superslide memorial alloy seal wire, the seal wire of superslide memorial alloy, due to polymer overmold
And form water-wetted surface, have the advantages that vascular wall stimulate it is minimum, not easy damaged vascular wall, be easy to current in blood, but
The seal wire push performance of superslide memorial alloy is obviously not so good as spring-guide wire.
Also one kind is spring-guide wire, and spring-guide wire pushes that performance is good in operation, but due to surface spring ring
Effect, seal wire during withdrawing, are easy to be pierced by the side opening of conduit in conduit.
Utility model content
The purpose of this utility model is to provide a kind of medical guiding wire and medical tubing, it is intended to improve existing seal wire continuous
In conduit during withdrawing, the problem of seal wire is easy to be pierced by the side opening of conduit.
The utility model provides a kind of technical solution：
A kind of medical guiding wire comprising guidewire body, spring protecting sleeve.Spring protecting sleeve is sheathed on one end of guidewire body, bullet
Spring sheath has first end, the second end arranged along spring protecting sleeve length direction.
First end is sheathed on guidewire body, and the diameter of the second end is more than the diameter of first end.
In the utility model preferred embodiment, the diameter of above-mentioned spring protecting sleeve is along from first end to the second end
Direction gradually increases.
In the utility model preferred embodiment, above-mentioned spring protecting sleeve includes the first linkage section, connects with the first linkage section
The second linkage section connect, the first linkage section are connect with guidewire body.The diameter of first linkage section is identical as the diameter of first end,
Second linkage section gradually increases along the orient diameter from first end to the second end.
In the utility model preferred embodiment, above-mentioned spring protecting sleeve includes sequentially connected first linkage section, second
Linkage section, third linkage section, the first linkage section are connect with guidewire body, the diameter of the first linkage section and the diameter phase of first end
Together, the second linkage section gradually increases along orient diameter from first end to the second end, third linkage section and the second end
Diameter is identical.
In the utility model preferred embodiment, above-mentioned spring protecting sleeve further includes flange, and flange is connect with the second end,
The surface of flange is curved surface.
In the utility model preferred embodiment, the outer surface of above-mentioned medical guiding wire is coated with hydrophobic coating, hydrophobic painting
Layer material is one kind in polytetrafluoroethylene (PTFE), dihydrofluorescein, silicones.
In the utility model preferred embodiment, the outer surface of above-mentioned medical guiding wire is coated with hydrophilic coating.
The utility model also provides a kind of technical solution：
A kind of medical tubing comprising above-mentioned medical guiding wire.
In the utility model preferred embodiment, above-mentioned medical tubing further includes conduit, and sheathed catheter is set to medical guiding wire,
And medical guiding wire can lead in-pipe.
In the utility model preferred embodiment, above-mentioned conduit offers side opening, and the diameter of the second end is more than side opening
Aperture.
The advantageous effect of a kind of medical guiding wire and medical tubing that the utility model embodiment provides is：Medical guiding wire includes
Guidewire body is sheathed on the spring protecting sleeve of guidewire body.The setting of spring protecting sleeve makes medical guiding wire integrally being consistent property, increases
The support force of medical guiding wire, handling, tracing property, while the setting of spring protecting sleeve makes operator obtain in operation well
Touch feedback.
There is spring protecting sleeve first end, the second end arranged along length direction, the diameter of the second end to be more than
The diameter of first end.In withdrawing seal wire repeatedly, seal wire is avoided to be pierced by from the side opening of conduit.
In addition, medical instrument includes conduit and above-mentioned medical guiding wire, medical guiding wire has guiding to conduit and supports to make
With help conduit enters blood vessel and other lacunas, guiding catheter smoothly reach lesion.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the structural schematic diagram at the first visual angle of medical guiding wire that the utility model embodiment provides；
Fig. 2 shows the structural schematic diagrams at the second visual angle of medical guiding wire that the utility model embodiment provides；
Fig. 3 shows the structural schematic diagram for the conduit that the utility model embodiment provides；
Fig. 4 shows the schematic diagram of the medical guiding wire of the utility model embodiment offer, tubes fit.
Icon：100- medical guiding wires；110- guidewire bodies；111- head ends；120- spring protecting sleeves；121- first ends；
122- the second ends；The first linkage sections of 123-；The second linkage sections of 124-；125- third linkage sections；200- conduits；201- side openings.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model embodiment, it is to be understood that the orientation or positional relationship of instruction is based on attached
Orientation or positional relationship shown in figure or the utility model product using when the orientation or positional relationship usually put, or
Person is the orientation or positional relationship that those skilled in the art usually understand, is merely for convenience of description the utility model and simplification is retouched
It states, does not indicate or imply the indicated equipment or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art
Language " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
The present embodiment provides a kind of medical tubing, which includes medical guiding wire 100, conduit 200.200 sets of conduit
Set on medical guiding wire 100, and medical guiding wire 100 can move in conduit 200.
Fig. 1 shows the structural schematic diagram for the medical guiding wire 100 that the utility model embodiment provides, referring to Fig. 1, into one
Step ground, medical guiding wire 100 include guidewire body 110, spring protecting sleeve 120, and spring protecting sleeve 120 is sheathed on the one of guidewire body 110
End.
Spring protecting sleeve 120 has first end 121, the second end 122 that the length direction along spring protecting sleeve 120 is arranged,
First end 121 is connect with guidewire body 110, and the diameter of the second end 122 is more than the diameter of first end 121.
Specifically, guidewire body 110 includes seal wire core (not shown), head end 111, seal wire core and head end 111
Connection, spring protecting sleeve 120 are sheathed on head end 111.
In the present embodiment, the material of seal wire core is stainless steel.The seal wire core that stainless steel material makes, hardness is strong,
Good supporting force, pushability and torque conduction excellent performance.
In the other embodiment of the utility model, the material of seal wire core is alternatively Nitinol.Nitinol has
Preferable elasticity, the seal wire core flexibility of Nitinol making, controllability, tracing property are good, and the anti-winding energy of seal wire core
Power is strong, and the head end 111 of medical guiding wire 100 is not easy sagging.
Seal wire core runs through the overall length of guidewire body 110, cylinder；Its tip can tapered or streamlined attenuate,
Also known as cone core.Seal wire core can be divided into sequentially connected three sections：Push rod, changeover portion and the soft section of proximal segment,
Changeover portion is set between push rod and soft section.Push rod is also known as workspace, mainly plays support and conveying to the conveying of instrument
Effect.Moulding section of distal end is the soft section of uniform diameter, is the most thin segment of medical guiding wire 100.
Further, seal wire core is coated in head end 111.In the present embodiment, seal wire core is gone directly guidewire body 110
Top, keep the touch feedback of head end 111 good, be easily manipulated, pushability and tracing property are good.
In the other embodiment of the utility model, seal wire core may be alternatively provided as having with the top of medical guiding wire 100
Certain distance, seal wire core is connected by one section of moulding seal wire with the top of guidewire body 110, to increase the soft of head end 111
Toughness.
Spring protecting sleeve 120 is sheathed on one end of guidewire body 110.The setting of spring protecting sleeve 120 keeps medical guiding wire 100 whole
Being consistent property increases support force, the handling and tracing property of medical guiding wire 100, while the setting of spring protecting sleeve 120 makes behaviour
Author obtains good touch feedback in operation.
From the above, in order to avoid during plugging medical guiding wire 100 repeatedly, medical guiding wire 100 is from conduit 200
It is pierced by side opening 201, the diameter of the second end 122 of spring protecting sleeve 120 is more than the diameter of first end 121.
Further, in the present embodiment, spring protecting sleeve 120 include along spring protecting sleeve 120 length direction arrange the
One linkage section 123, the second linkage section 124, third linkage section 125.First linkage section 123, the second linkage section 124, third connection
Section 125 is sequentially connected, further, in the present embodiment, the first linkage section 123, the second linkage section 124, third linkage section 125
It is wholely set.First linkage section 123 is sheathed on guidewire body 110.First end 121 is located at the first linkage section 123 far from second
One end of linkage section 124, the second end 122 are located at the one end of third linkage section 125 far from the second linkage section 124.
The diameter of first linkage section 123 is identical as the diameter of first end 121, and the second linkage section 124 is along from first end
The orient diameter of 121 to the second end 122 gradually increases.Third linkage section 125 is identical as the diameter of the second end 122.Change speech
It, the diameter of the second linkage section 124 is in the Long-term change trend gradually increased or reduced, and 124 opposite end of the second linkage section is straight
Diameter is identical as the diameter of first end 121, the second end 122 respectively.
It should be noted that in the other embodiment of the utility model, spring protecting sleeve 120 can be also arranged along its length
Two linkage sections：First linkage section 123 and the second linkage section 124, the diameter of the first linkage section 123 are straight with first end 121
Diameter is identical, and the second linkage section 124 gradually increases along from first end 121 to the orient diameter of the second end 122.And second connects
The diameter of 124 opposite ends of section is identical as the diameter of first end 121, the second end 122 respectively.
In addition, in the other embodiment of the utility model, spring protecting sleeve 120 may also set up a linkage section, the connection
The diameter of section opposite end is identical as the diameter of first end 121, the second end 122 respectively, and the diameter of linkage section gradually increases
Greatly.
In the other embodiment of the utility model, spring protecting sleeve 120 further includes flange, and the surface of flange is curved surface, convex
Edge is connect with the second end 122.
Preferably, in the present invention, the outer surface of medical guiding wire 100 is coated with hydrophobic coating (not shown),
Hydrophobic coating material is any one of polytetrafluoroethylene (PTFE) (PTFE), dihydrofluorescein, silicones.Specifically, in the present embodiment
In, hydrophobic coating material is polytetrafluoroethylene (PTFE).Hydrophobic coating has stable chemical property, good biocompatibility and antithrombus formation
Effect.Hydrophobic coating repels hydrone, and it is in waxy smooth to make 100 surface of medical guiding wire, reduces the friction of medical guiding wire 100
Power improves the tracing property of medical guiding wire 100.
In the other embodiment of the utility model, the outer surface of medical guiding wire 100 is coated with hydrophilic coating, hydrophilic coating
Also there is stable chemical property, good biocompatibility and antithrombotic effect.Hydrophilic coating is one thin in the dry state
The rough substance of layer, attracts hydrone when meeting water, so that 100 surface of medical guiding wire is formed smooth gel shape, reduces medical guiding wire
100 frictional force improves the tracing property of medical guiding wire 100.
Preferably, in the utility model preferred embodiment, hydrophilic coating or hydrophobic coating are handled by heparin, can
Enough reduce frictional force, also there is anticoagulative ability.
Fig. 2 shows the structural schematic diagrams at 100 second visual angle of medical guiding wire that the utility model embodiment provides, and please refer to
Fig. 2, in the present embodiment, the total length of spring protecting sleeve 120 is 12.5-13.0mm, specifically, in the present embodiment, spring shield
The total length of set 120 is 12.8mm；A diameter of 1.45-1.55mm of first end 121, specifically, in the present embodiment, first
A diameter of 1.50mm of end 121；A diameter of 2.3-2.6mm of the second end 122, specifically, in the present embodiment, second end
A diameter of 2.50mm in portion 122.
It should be noted that in the other embodiment of the utility model, total length, the first end of spring protecting sleeve 120
121 diameter, the diameter of the second end 122 can carry out true according to the size of medical guiding wire 100 and the length of conduit 200
It is fixed.
Fig. 3 shows the schematic diagram that medical guiding wire 100, conduit 200 that the utility model embodiment provides coordinate, and please refers to
Fig. 3, conduit 200 is sheathed on medical guiding wire 100, and medical guiding wire 100 can move in conduit 200.In other words, medical guiding wire
100 selectively stretch into or stretch out in conduit 200.
Medical guiding wire 100 is one of the main tool of percutaneous puncture intubation.Medical guiding wire 100 has guiding to conduit 200
And supporting function, help conduit 200 to enter blood vessel and other lacunas, guiding catheter 200 smoothly reaches lesion.In conduit 200
In treatment operation, medical guiding wire 100 and 200 no less important of conduit.
Conduit 200 is pipeline flexible, and according to the purpose that conduit 200 is treated, conduit 200 can be provided with different number of side
Hole 201.In addition, the size of side opening 201 can also be set according to the purpose that conduit 200 is treated.In the present embodiment, conduit
200 open up there are one side opening 201.
Fig. 4 shows the schematic diagram that medical guiding wire 100, conduit 200 that the utility model embodiment provides coordinate, and please refers to
Fig. 4, medical guiding wire 100 can stretch into the tube chamber of conduit 200 or stretch out in conduit 200.
In the embodiments of the present invention, the diameter or width of side opening 201 are 1.2-2.3mm, specifically, this implementation
In example, a diameter of 2.3mm of side opening 201.A diameter of 2.50mm of 100 the second end 122 of medical guiding wire is more than side opening 201
Diameter.
In withdrawing medical guiding wire 100 repeatedly, due to spring protecting sleeve 120, medical guiding wire 100 is not easy from conduit
200 side opening 201 is pierced by.Correspondingly, it is more than in the diameter for meeting the second end 122 in the other embodiment of the utility model
Under conditions of the aperture of side opening 201, side opening 201, the second end 122 may be alternatively provided as other sizes.
The major advantage for the medical tubing that the utility model embodiment provides is：Medical guiding wire 100 includes guidewire body
110, it is sheathed on the spring protecting sleeve 120 of guidewire body 110.The setting of spring protecting sleeve 120 makes medical guiding wire 100 integrally be consistent
Property, increase support force, the handling, tracing property of medical guiding wire 100, while the setting of spring protecting sleeve 120 makes operator operate
Good touch feedback is obtained in the process.
In addition, spring protecting sleeve 120 has first end 121, the second end 122 arranged along length direction, second
The diameter of end 122 is more than the diameter of first end 121.Medical guiding wire 100 is avoided to be pierced by from the side opening 201 of conduit 200.It dredges
Water coating repels hydrone, and it is in waxy smooth to make 100 surface of medical guiding wire, reduces the frictional force of medical guiding wire 100, improves doctor
With the tracing property of seal wire 100.
Further, in withdrawing medical guiding wire 100 repeatedly, due to spring protecting sleeve 120, medical guiding wire 100 is not
Easily it is pierced by from the side opening 201 of conduit 200.Medical guiding wire 100 to conduit 200 have guiding and supporting function, help conduit 200 into
Enter blood vessel and other lacunas, guiding catheter 200 smoothly reaches lesion.
It should be noted that in the embodiments of the present invention, the tracing property of medical guiding wire 100 refers to well medical guiding wire
100 push, in the blood vessels in traveling process, resist the ability of itself distortion and coil buckling good.The touch feedback of medical guiding wire 100 refers to behaviour
Author's perception to the tip activity situation of medical guiding wire 100 in operation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of medical guiding wire, which is characterized in that the medical guiding wire includes guidewire body, spring protecting sleeve, the spring protecting sleeve
It is sheathed on one end of the guidewire body, the spring protecting sleeve has the first end arranged along the spring protecting sleeve length direction
Portion, the second end, the first end are sheathed on the guidewire body, and the diameter of the second end is more than the first end
Diameter.
2. medical guiding wire according to claim 1, which is characterized in that the diameter of the spring protecting sleeve is along from the first end
Portion gradually increases to the direction of the second end.
3. medical guiding wire according to claim 1, which is characterized in that the spring protecting sleeve includes the first linkage section and institute
The second linkage section of the first linkage section connection is stated, first linkage section is connect with the guidewire body, first linkage section
Diameter it is identical as the diameter of the first end, second linkage section is along from the first end to the second end
Orient diameter gradually increases.
4. medical guiding wire according to claim 1, which is characterized in that the spring protecting sleeve includes sequentially connected first company
Section, the second linkage section, third linkage section are connect, first linkage section is connect with the guidewire body, first linkage section
Diameter is identical as the diameter of the first end, and second linkage section is along from the first end to the side of the second end
Gradually increase to diameter, the third linkage section is identical as the diameter of the second end.
5. medical guiding wire according to claim 3, which is characterized in that the spring protecting sleeve further includes flange, the flange
It is connect with the second end, the surface of the flange is curved surface.
6. medical guiding wire according to claim 1, which is characterized in that the outer surface of the medical guiding wire is coated with hydrophobic painting
Layer, the hydrophobic coating material are one kind in polytetrafluoroethylene (PTFE), dihydrofluorescein, silicones.
7. medical guiding wire according to claim 1, which is characterized in that the outer surface of the medical guiding wire is coated with hydrophilic painting
Layer.
8. a kind of medical tubing, which is characterized in that the medical tubing, which includes that claim 1-7 any one of them is medical, leads
Silk.
9. medical tubing according to claim 8, which is characterized in that the medical tubing further includes conduit, the conduit
It is sheathed on the medical guiding wire, and the medical guiding wire can lead in-pipe described.
10. medical tubing according to claim 9, which is characterized in that the conduit offers side opening, the second end
Diameter be more than the side opening aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720482940.8U CN207708311U (en) | 2017-05-03 | 2017-05-03 | A kind of medical guiding wire and medical tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720482940.8U CN207708311U (en) | 2017-05-03 | 2017-05-03 | A kind of medical guiding wire and medical tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207708311U true CN207708311U (en) | 2018-08-10 |
Family
ID=63062500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720482940.8U Active CN207708311U (en) | 2017-05-03 | 2017-05-03 | A kind of medical guiding wire and medical tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207708311U (en) |
-
2017
- 2017-05-03 CN CN201720482940.8U patent/CN207708311U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 101200 No. 8, M2-5 District, Hing Valley Industrial Development Zone, Pinggu, Beijing Patentee after: BEIJING L&Z MEDICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100000, No. 8, M2-5 District, Xing Gu Industrial Development Zone, Pinggu County, Beijing Patentee before: BEIJING L&Z MEDICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |