CN107041993A - A kind of medical guiding wire and medical tubing - Google Patents
A kind of medical guiding wire and medical tubing Download PDFInfo
- Publication number
- CN107041993A CN107041993A CN201710305034.5A CN201710305034A CN107041993A CN 107041993 A CN107041993 A CN 107041993A CN 201710305034 A CN201710305034 A CN 201710305034A CN 107041993 A CN107041993 A CN 107041993A
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- China
- Prior art keywords
- medical
- diameter
- guiding wire
- linkage section
- protecting sleeve
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
- A61M2025/0046—Coatings for improving slidability
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09133—Guide wires having specific material compositions or coatings; Materials with specific mechanical behaviours, e.g. stiffness, strength to transmit torque
Abstract
The present invention relates to area of medical devices, in particular to a kind of medical guiding wire and medical tubing.A kind of medical guiding wire, it includes guidewire body, spring protecting sleeve.Spring protecting sleeve is sheathed on one end of guidewire body, and spring protecting sleeve has the first end arranged along spring protecting sleeve length direction, the second end.First end is sheathed on guidewire body, and the diameter of the second end is more than the diameter of first end.The present invention also provides a kind of medical tubing, and it includes above-mentioned seal wire.The setting of spring protecting sleeve makes seal wire integrally being consistent property, increases support force, the handling, tracing property of seal wire, while the setting of spring protecting sleeve makes operator obtain good touch feedback in operation.In withdrawing seal wire repeatedly, it is to avoid seal wire is passed from the side opening of conduit.
Description
Technical field
The present invention 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 progressively pushed away at home in recent years as emerging Advances in Medicine
Extensively, its process is that under the guiding of medical imaging device, 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, thus carry out diagnosis and
The important technology and method for the treatment of, have the advantages that without surgical operation, wound be small, medical expense relative moderate.
In intervention operation, guiding wire is played the guiding function of catheter directed target site, the tube chamber for opening occlusion.At present
The conventional seal wire of clinic has two major classes：One class 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 to stimulate vascular wall it is minimum, be difficult injured blood vessel wall, be easy to pass through in blood, but
The seal wire of superslide memorial alloy pushes performance and is substantially not so good as spring-guide wire.
An also class is spring-guide wire, and spring-guide wire pushes that performance is good in operation, but due to surface turn
Effect, seal wire during withdrawing, is easily passed in conduit in the side opening of conduit.
The content of the invention
It is an object of the invention to provide a kind of medical guiding wire and medical tubing, it, which is intended to improve existing seal wire, constantly exists
In conduit during withdrawing, the problem of seal wire is easily passed in the side opening of conduit.
The present invention provides a kind of technical scheme：
A kind of medical guiding wire, it includes guidewire body, spring protecting sleeve.Spring protecting sleeve is sheathed on one end of guidewire body, bullet
Spring sheath has the first end arranged along spring protecting sleeve length direction, the second end.
First end is sheathed on guidewire body, and the diameter of the second end is more than the diameter of first end.
In preferred embodiments of the present invention, the diameter of above-mentioned spring protecting sleeve is along the direction from first end to the second end
Gradually increase.
In preferred embodiments of the present invention, above-mentioned spring protecting sleeve includes the first linkage section, is connected with the first linkage section
Second linkage section, the first linkage section is connected with guidewire body.The diameter of first linkage section is identical with the diameter of first end, and second
Linkage section gradually increases along the orient diameter from first end to the second end.
In preferred embodiments of the present invention, above-mentioned spring protecting sleeve includes the first linkage section, the second connection being sequentially connected
Section, the 3rd linkage section, the first linkage section are connected with guidewire body, and the diameter of the first linkage section is identical with the diameter of first end,
Second linkage section gradually increases along the orient diameter from first end to the second end, the diameter of the 3rd linkage section and the second end
It is identical.
In preferred embodiments of the present invention, above-mentioned spring protecting sleeve also includes flange, and flange is connected with the second end, flange
Surface be curved surface.
In preferred embodiments of the present invention, the outer surface of above-mentioned medical guiding wire is coated with hydrophobic coating, hydrophobic coating material
Expect for one kind in polytetrafluoroethylene (PTFE), dihydrofluorescein, silicones.
In preferred embodiments of the present invention, the outer surface of above-mentioned medical guiding wire is coated with hydrophilic coating.
The present invention also provides a kind of technical scheme：
A kind of medical tubing, it includes above-mentioned medical guiding wire.
In preferred embodiments of the present invention, above-mentioned medical tubing also includes conduit, and sheathed catheter is located at medical guiding wire, and doctor
In-pipe can be being led with seal wire.
In preferred embodiments of the present invention, above-mentioned conduit offers side opening, and the diameter of the second end is more than the hole of side opening
Footpath.
The beneficial effect of a kind of medical guiding wire and medical tubing provided in an embodiment of the present invention is：Medical guiding wire includes seal wire
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 medical
The support force of seal wire, handling, tracing property, while the setting of spring protecting sleeve makes operator obtain good touch in operation
Feel feedback.
Spring protecting sleeve has the first end arranged along length direction, the second end, and the diameter of the second end is more than
The diameter of first end.In withdrawing seal wire repeatedly, it is to avoid seal wire is passed from the side opening of conduit.
In addition, medicine equipment includes conduit and above-mentioned medical guiding wire, medical guiding wire has guiding to conduit and supports to make
With help conduit intravasation and other lacunas, guiding catheter smoothly reach lesion.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the structural representation at the visual angle of medical guiding wire first provided in an embodiment of the present invention；
Fig. 2 shows the structural representation at the visual angle of medical guiding wire second provided in an embodiment of the present invention；
Fig. 3 shows the structural representation of conduit provided in an embodiment of the present invention；
Fig. 4 shows the schematic diagram of medical guiding wire provided in an embodiment of the present invention, 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 linkage sections of 123- first；The linkage sections of 124- second；The linkage sections of 125- the 3rd；200- conduits；201- side openings.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the embodiment of the present invention, it is to be understood that the orientation or position relationship of instruction is based on accompanying drawing institutes
The orientation or position relationship shown, or the orientation usually put when using of the invention product or position relationship, or ability
Orientation or position relationship that field technique personnel usually understand, are for only for ease of the description present invention and simplify description, without referring to
Show or imply that the equipment or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicating or implying
Relative importance.
In the description of the embodiment of the present invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term
" setting ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
The present embodiment provides a kind of medical tubing, and the medical tubing includes medical guiding wire 100, conduit 200.200 sets of conduit
Located at medical guiding wire 100, and medical guiding wire 100 can be moved in conduit 200.
Fig. 1 shows the structural representation of medical guiding wire 100 provided in an embodiment of the present invention, referring to Fig. 1, further
Ground, medical guiding wire 100 includes guidewire body 110, spring protecting sleeve 120, and spring protecting sleeve 120 is sheathed on one end of guidewire body 110.
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 connected 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 is 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 other embodiments of the invention, the material of seal wire core is alternatively Nitinol.Nitinol has preferable
Elasticity, seal wire core pliability that Nitinol makes, controllability, tracing property are good, and the anti-winding ability of seal wire core is strong,
The head end 111 of medical guiding wire 100 is difficult sagging.
Seal wire core runs through the total length of guidewire body 110, in cylinder；Its tip can tapered or streamlined attenuate,
Also known as cone core.Seal wire core can be divided into three sections be sequentially connected：Push rod, changeover portion and the soft section of proximal segment,
Changeover portion is arranged between push rod and soft section.Push rod is also known as workspace, and the mainly conveying to apparatus plays support and conveyed
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, the through guidewire body 110 of seal wire core
Top, make the touch feedback of head end 111 good, it is easy to manipulate, pushability and tracing property are good.
In other embodiments of the invention, seal wire core may be alternatively provided as having necessarily with the top of medical guiding wire 100
Distance, seal wire core is connected by one section of moulding seal wire with the top of guidewire body 110, to increase the pliability of head end 111.
Spring protecting sleeve 120 is sheathed on one end of guidewire body 110.The setting of spring protecting sleeve 120 makes medical guiding wire 100 overall
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 plug medical guiding wire 100 repeatedly, medical guiding wire 100 is from conduit 200
Passed in 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 includes the arranged along the length direction of spring protecting sleeve 120
One linkage section 123, the second linkage section 124, the 3rd linkage section 125.First linkage section 123, the connection of the second linkage section the 124, the 3rd
Section 125 is sequentially connected, further, in the present embodiment, the first linkage section 123, the second linkage section 124, the 3rd 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 away from second
One end of linkage section 124, the second end 122 is located at the one end of the 3rd linkage section 125 away from the second linkage section 124.
The diameter of first linkage section 123 is identical with 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.3rd linkage section 125 is identical with 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 for gradually increasing or reducing, and the opposite end of the second linkage section 124 is straight
Footpath is identical with the diameter of first end 121, the second end 122 respectively.
It should be noted that in other embodiments of the invention, spring protecting sleeve 120 can also set two along its length
Linkage section：First linkage section 123 and the second linkage section 124, the diameter of the first linkage section 123 and the diameter phase of first end 121
Together, the second linkage section 124 gradually increases along from first end 121 to the orient diameter of the second end 122.And second linkage section
The diameter of 124 opposite ends is identical with the diameter of first end 121, the second end 122 respectively.
In addition, in other embodiments of the invention, spring protecting sleeve 120 may also set up a linkage section, the linkage section phase
It is identical with the diameter of first end 121, the second end 122 respectively to the diameter at two ends, and the diameter of linkage section gradually increases.
In other embodiments of the invention, spring protecting sleeve 120 also includes flange, and the surface of flange is curved surface, flange with
The second end 122 is connected.
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 of polytetrafluoroethylene (PTFE) (PTFE), dihydrofluorescein, silicones.Specifically, in the present embodiment, dredge
Water coating material is polytetrafluoroethylene (PTFE).Hydrophobic coating has stable chemical property, good biocompatibility and antithrombotic work
With.Hydrophobic coating repels hydrone, makes the surface of medical guiding wire 100 in waxy smooth, reduces the frictional force of medical guiding wire 100,
Improve the tracing property of medical guiding wire 100.
In other embodiments of the invention, the outer surface of medical guiding wire 100 is coated with hydrophilic coating, and hydrophilic coating also has
There are stable chemical property, good biocompatibility and antithrombotic effect.Hydrophilic coating in the dry state for a thin layer not
Smooth substance, hydrone is attracted when meeting water, the surface of medical guiding wire 100 is formed smooth gel shape, is reduced medical guiding wire 100
Frictional force, improves the tracing property of medical guiding wire 100.
Preferably, in preferred embodiments of the present invention, hydrophilic coating or hydrophobic coating are handled by heparin, can either be subtracted
Less friction, also with anticoagulative ability.
Fig. 2 shows the structural representation at the visual angle of medical guiding wire 100 second provided in an embodiment of the present invention, referring 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 protecting sleeve 120
Total length be 12.8mm；A diameter of 1.45-1.55mm of first end 121, specifically, in the present embodiment, first end
121 a diameter of 1.50mm；A diameter of 2.3-2.6mm of the second end 122, specifically, in the present embodiment, the second end
122 a diameter of 2.50mm.
It should be noted that in other embodiments of the invention, the total length of spring protecting sleeve 120, first end 121
Diameter, the diameter of the second end 122 can be determined according to the size of medical guiding wire 100 and the length of conduit 200.
Fig. 3 shows the schematic diagram that medical guiding wire 100 provided in an embodiment of the present invention, conduit 200 coordinate, referring to Fig. 3,
Conduit 200 is sheathed on medical guiding wire 100, and medical guiding wire 100 can be moved in conduit 200.In other words, medical guiding wire 100 can
Selectively stretch into or stretch out in conduit 200.
Medical guiding wire 100 is one of main tool of percutaneous puncture intubation.Medical guiding wire 100 has guiding to conduit 200
And supporting function, the intravasation of conduit 200 and other lacunas are helped, guiding catheter 200 smoothly reaches lesion.In conduit 200
In treatment operation, medical guiding wire 100 and the no less important of conduit 200.
Conduit 200 is flexible pipeline, and the purpose treated according to conduit 200, 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 offer a side opening 201.
Fig. 4 shows the schematic diagram that medical guiding wire 100 provided in an embodiment of the present invention, conduit 200 coordinate, referring to Fig. 4,
Medical guiding wire 100 can stretch into the tube chamber of conduit 200 or stretch out in conduit 200.
In an embodiment of the present invention, the diameter or width of side opening 201 are 1.2-2.3mm, specifically, the present embodiment
In, a diameter of 2.3mm of side opening 201.A diameter of 2.50mm of the second end 122 of medical guiding wire 100 is straight more than side opening 201
Footpath.
In withdrawing medical guiding wire 100 repeatedly, due to spring protecting sleeve 120, medical guiding wire 100 is difficult from conduit
200 side opening 201 is passed.Correspondingly, it is more than side opening in the diameter for meeting the second end 122 in other embodiments of the invention
Under conditions of 201 aperture, side opening 201, the second end 122 may be alternatively provided as other sizes.
The major advantage of medical tubing provided in an embodiment of the present invention 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 overall the being consistent property of medical guiding wire 100,
Increase support force, the handling, tracing property of medical guiding wire 100, while the setting of spring protecting sleeve 120 makes operator in operating process
It is middle to obtain good touch feedback.
In addition, spring protecting sleeve 120 has the first end 121 arranged along length direction, the second end 122, second
The diameter of end 122 is more than the diameter of first end 121.Medical guiding wire 100 is avoided to be passed from the side opening 201 of conduit 200.Dredge
Water coating repels hydrone, makes the surface of medical guiding wire 100 in waxy smooth, reduces the frictional force of medical guiding wire 100, improve 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 passed from the side opening 201 of conduit 200.Medical guiding wire 100 has guiding and supporting function to conduit 200, helps conduit 200 to enter
Enter blood vessel and other lacunas, guiding catheter 200 smoothly reaches lesion.
It should be noted that in an embodiment of the present invention, the tracing property of medical guiding wire 100 refers to well medical guiding wire 100
In the blood vessels in push, traveling process, resist the ability of itself distortion and coil buckling good.The touch feedback of medical guiding wire 100 refers to operation
The perception of person in operation to the sophisticated activity situation of medical guiding wire 100.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of medical guiding wire, it is characterised in that the medical guiding wire includes guidewire body, spring protecting sleeve, the spring protecting sleeve
One end of the guidewire body is sheathed on, 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, it is characterised 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, it is characterised 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 connected with the guidewire body, first linkage section
Diameter it is identical with 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, it is characterised in that the spring protecting sleeve includes the first company being sequentially connected
Section, the second linkage section, the 3rd linkage section are connect, first linkage section is connected with the guidewire body, first linkage section
Diameter is identical with 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 3rd linkage section is identical with the diameter of the second end.
5. medical guiding wire according to claim 3, it is characterised in that the spring protecting sleeve also includes flange, the flange
It is connected with the second end, the surface of the flange is curved surface.
6. medical guiding wire according to claim 1, it is characterised in that the outer surface of the medical guiding wire is coated with hydrophobic painting
Layer, the hydrophobic coating material is one kind in polytetrafluoroethylene (PTFE), dihydrofluorescein, silicones.
7. medical guiding wire according to claim 1, it is characterised in that the outer surface of the medical guiding wire is coated with hydrophilic painting
Layer.
8. a kind of medical tubing, it is characterised in that what the medical tubing included described in claim any one of 1-7 medical leads
Silk.
9. medical tubing according to claim 8, it is characterised in that the medical tubing also includes conduit, the conduit
The medical guiding wire is sheathed on, and the medical guiding wire can lead in-pipe described.
10. medical tubing according to claim 9, it is characterised 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 |
|---|---|---|---|
| CN201710305034.5A CN107041993A (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 |
|---|---|---|---|
| CN201710305034.5A CN107041993A (en) | 2017-05-03 | 2017-05-03 | A kind of medical guiding wire and medical tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107041993A true CN107041993A (en) | 2017-08-15 |
Family
ID=59547024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710305034.5A Pending CN107041993A (en) | 2017-05-03 | 2017-05-03 | A kind of medical guiding wire and medical tubing |
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| Country | Link |
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| CN (1) | CN107041993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107929921A (en) * | 2017-12-20 | 2018-04-20 | 武汉市迅舒科技有限公司 | A kind of catheter assembly |
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| CN205796223U (en) * | 2016-06-17 | 2016-12-14 | 北京灵泽医药技术开发有限公司 | A kind of seal wire handle |
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| CN107929921A (en) * | 2017-12-20 | 2018-04-20 | 武汉市迅舒科技有限公司 | A kind of catheter assembly |
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