CN211434672U - Direction-adjustable guide wire - Google Patents
Direction-adjustable guide wire Download PDFInfo
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- CN211434672U CN211434672U CN201921980293.9U CN201921980293U CN211434672U CN 211434672 U CN211434672 U CN 211434672U CN 201921980293 U CN201921980293 U CN 201921980293U CN 211434672 U CN211434672 U CN 211434672U
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- wire
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- guide wire
- spring
- guide
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Abstract
The utility model belongs to the field of medical equipment, in particular to a guide wire with adjustable direction, which comprises a guide wire body, an adjusting device and an elastic device, wherein the guide wire body comprises a coating layer and a core wire arranged in the coating layer; the adjusting device comprises an adjusting wire arranged in the guide wire body and an adjusting knob arranged at the tail of the guide wire body and connected with the adjusting wire, and the elastic device is a spring; the two ends of the spring are respectively connected with the core wire and the adjusting wire, and the adjusting wire is positioned on one side of the spring. The utility model discloses an adjustable direction seal wire changes regulation silk length through rotatory adjust knob, changes the density degree of spring one side, and then the direction of regulation direction seal wire front end, can make things convenient for the direction seal wire quick accurate to put into pathological change blood vessel, brings the facility for clinical operation, has saved operation time, has increased the clinical suitability of direction seal wire.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to an adjustable direction seal wire.
Background
Guidewires are medical devices used to guide catheters, stents, etc. to a target site within a blood vessel or other lumen. Clinically, guide wires are needed to guide in the process of placing many interventional devices, such as a nasobiliary drainage catheter in ERCP operation, an angiographic catheter for coronary angiography, and the like.
At present, the head end of most guide wires is made into a semi-circular arc shape, and when the intervention operation is clinically needed, the direction of the guide wires in a human body can be adjusted by rotating the tail part of the guide wires. However, in the case of clinical lesions with complicated vessel trends or more vessel branches, the direction of the guide wire needs to be changed according to clinical requirements. Therefore, in order to meet different requirements of clinic for the guide wire direction, the applicability of the guide wire needs to be enhanced.
Based on this, how to enhance the applicability of the directional guide wire is a technical problem that needs to be solved by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model discloses a can adjust the head end direction of direction seal wire according to clinical pathological change demand to the problem of adjustable direction seal wire is provided, and the suitability is strong in the direction seal wire imbeds pathological change blood vessel.
A guide wire with adjustable direction comprises a guide wire body, an adjusting device and an elastic device, wherein the guide wire body comprises a coating layer and a core wire arranged in the coating layer; the adjusting device comprises an adjusting wire arranged in the guide wire body and an adjusting knob arranged at the tail of the guide wire body and connected with the adjusting wire, and the elastic device is a spring; the two ends of the spring are respectively connected with the core wire and the adjusting wire, and the adjusting wire is positioned on one side of the spring.
Further, adjustable direction seal wire, the coating is tungsten-containing polyurethane layer.
Further, adjustable direction seal wire, the core silk be seal wire body inner core.
Further, adjustable direction seal wire, the front end of adjusting the silk and the front end fixed connection of spring.
Further, adjustable direction seal wire, adjust knob and adjusting screw threaded connection.
Further, adjustable direction seal wire, the tail end fixed connection of spring be in above the front end of core silk.
Compared with the prior art, the utility model provides an adjustable direction seal wire's structure is unusual, works as adjust knob is when rotated, adjust wire's length can shorten, one side of spring is in be compressed under adjust wire's the effort, promptly: the density degree of one side of the spring is changed, the head end of the guide wire body upwards tilts and forms a certain angle, so that the direction of the head end of the guide wire is adjusted, the guide wire can be conveniently and accurately placed into a diseased blood vessel, convenience is brought to clinical operation, operation time is saved, and the clinical applicability of the guide wire is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an adjustable direction guide wire according to one embodiment of the present invention;
fig. 2 is a partially enlarged view of an adjusting wire and a spring of the direction-adjustable guide wire according to one embodiment of the present invention.
In the figure: 1-coating layer, 2-spring device, 3-core wire, 4-adjusting wire and 5-adjusting knob.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the guide wire with adjustable direction according to the present embodiment includes a guide wire body, an adjusting device and an elastic device, wherein the guide wire body includes a coating layer 1 and a core wire 3 disposed inside the coating layer 1; the adjusting device comprises an adjusting wire 4 arranged in the guide wire body and an adjusting knob 5 arranged at the tail of the guide wire body and connected with the adjusting wire 4, and the elastic device is a spring 2; two ends of the spring 2 are respectively connected with the core wire 3 and the adjusting wire 4, and the adjusting wire 4 is positioned on one side of the spring 2.
In practical application the utility model discloses a during adjustable direction seal wire, when adjust knob 5 is rotated, the length of adjusting wire 4 can shorten, one side of spring 2 is in be compressed under the effort of adjusting wire 4, promptly: the density degree of 2 one sides of spring has been changed, the head end perk upwards of seal wire body forms certain angle, and then adjusts the direction of direction seal wire head end, can make things convenient for the direction seal wire quick accurate to put into pathological change blood vessel, brings the convenience for clinical operation, has saved operation time, has increased the clinical suitability of direction seal wire.
In one of them embodiment, adjustable direction seal wire, coating 1 is for containing the tungsten polyurethane layer, wraps up at seal wire body and resilient means's surface, can reduce the injury of this device to tissue or vascular wall.
In one embodiment, the direction-adjustable guide wire of the present invention, the core wire 3 is an inner core of the guide wire body.
In one embodiment, the direction-adjustable guide wire of the present invention, the front end of the adjusting wire 4 is fixedly connected to the front end of the spring 2, so as to effectively prevent the adjusting wire 4 from falling off; meanwhile, the adjusting knob 5 is rotated to drive the adjusting wire 4 to contract, the distance between the two sides of the spring 2 is adjusted, and finally the direction of the head end of the guide wire is changed.
In one embodiment, the direction-adjustable guide wire of the present invention, the adjusting knob 5 is connected to the adjusting wire 4 by a screw, and when the adjusting knob 5 is rotated, the adjusting wire 4 is driven to rotate.
In one embodiment, the direction-adjustable guide wire of the present invention, the tail end of the spring 2 is fixedly connected to the front end of the core wire 3, so as to effectively prevent the spring 2 from falling off from the core wire 3.
Will the utility model discloses an adjustable direction seal wire is applied to clinically, and concrete operation is:
when intervene the operation, when the clinician need put into the direction seal wire of this device the blood vessel trend is more complicated or the more clinical pathological change of blood vessel branch is more difficult, at this moment, just can use this direction seal wire according to the shape of clinical pathological change, and concrete accessible is controlled adjust knob 5 drives adjust 4 rotations, reduces the interval of 2 one sides of head end spring of direction seal wire to the head end of the direction seal wire that makes this device is crooked, and then the direction of adjustment direction seal wire head end, can make things convenient for the direction seal wire quick accurate to put into pathological change blood vessel, bring the facility for clinical operation, save operating time, the clinical suitability of direction seal wire has been increased.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and deformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and deformations are all within the protection scope of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The guide wire with the adjustable direction is characterized by comprising a guide wire body, an adjusting device and an elastic device, wherein the guide wire body comprises a coating layer (1) and a core wire (3) arranged in the coating layer (1); the adjusting device comprises an adjusting wire (4) arranged in the guide wire body and an adjusting knob (5) arranged at the tail of the guide wire body and connected with the adjusting wire (4), the elastic device is a spring (2), two ends of the spring (2) are respectively connected with the core wire (3) and the adjusting wire (4), and the adjusting wire (4) is positioned on one side of the spring (2).
2. The adjustable direction guidewire of claim 1, wherein the coating (1) is a tungsten-containing polyurethane layer.
3. The adjustable direction guidewire of claim 1, wherein the core wire (3) is a guidewire body inner core.
4. The adjustable direction guide wire according to claim 1, wherein the front end of the adjusting wire (4) is fixedly connected with the front end of the spring (2).
5. The adjustable direction guide wire according to claim 1, wherein the adjusting knob (5) is in threaded connection with the adjusting wire (4).
6. The adjustable direction guide wire according to claim 1, wherein the tail end of the spring (2) is fixedly connected to the front end of the core wire (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980293.9U CN211434672U (en) | 2019-11-16 | 2019-11-16 | Direction-adjustable guide wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980293.9U CN211434672U (en) | 2019-11-16 | 2019-11-16 | Direction-adjustable guide wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211434672U true CN211434672U (en) | 2020-09-08 |
Family
ID=72312188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921980293.9U Active CN211434672U (en) | 2019-11-16 | 2019-11-16 | Direction-adjustable guide wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211434672U (en) |
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2019
- 2019-11-16 CN CN201921980293.9U patent/CN211434672U/en active Active
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