CN217338752U - Puncture needle fixing device for puncture guide template - Google Patents
Puncture needle fixing device for puncture guide template Download PDFInfo
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- CN217338752U CN217338752U CN202220371932.7U CN202220371932U CN217338752U CN 217338752 U CN217338752 U CN 217338752U CN 202220371932 U CN202220371932 U CN 202220371932U CN 217338752 U CN217338752 U CN 217338752U
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- puncture
- guide template
- puncture needle
- needle
- fixing
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Abstract
The utility model provides a pjncture needle fixing device for puncture guide template, including installation department and fixed part, wherein: the fixing part is fixed to the mounting part; the installation part is used for being fixed to the guide body of the puncture guide template, and the fixing part is used for fixing the puncture needle penetrating through the guide body. The embodiment of the utility model provides a pjncture needle fixing device for puncture guide template can realize the fixed of pjncture needle in the operation of using puncture guide template.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to puncture needle fixing device for puncture guide template.
Background
At present, the 3D minimally invasive guiding template can be applied to non-vascular interventional percutaneous puncture operations, such as argon-helium knife, ablation operation, radioactive particle implantation between tissues, and iridium 192 post-loading insertion operation.
The 3D minimally invasive guide template can be provided with a guide column body with puncture holes, and the guide column body can guide the angle of the puncture needle in an operation, so that the accuracy of puncture is improved. However, in the process of manual puncture, the puncture needle depth deviates outwards from the body surface due to muscle extrusion, so that the puncture needle cannot be accurately fixed due to the extrusion of muscle tissues, and needs to be manually adjusted.
Therefore, how to provide a puncture needle fixing device, which can fix the puncture needle in the operation becomes an important problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the embodiment of the utility model provides a pjncture needle fixing device for puncture guide template can solve the problem that exists among the prior art partially at least.
The utility model provides a pjncture needle fixing device for puncture guide template, including installation department and fixed part, wherein:
the fixing part is fixed to the mounting part;
the installation part is used for being fixed to the guide body of the puncture guide template, and the fixing part is used for fixing the puncture needle penetrating through the guide body.
Further, the installation part is provided with a hollow inner cavity and a through notch.
Further, the inner cavity of the mounting part is cylindrical.
Further, the diameter of the inner cavity is greater than or equal to 6 mm and less than or equal to 9 mm.
Further, a protrusion is arranged on the inner wall of the mounting part.
Further, the mounting portion has a cylindrical shape.
Furthermore, the fixing part adopts an elastic clip.
Furthermore, the elastic clip comprises a base part, an extrusion part and a tail part which are connected in sequence, the base part is fixed on the installation part, and the extrusion part is used for fixing the puncture needle.
Further, the fixing portion is provided with a wear-resistant surface which is in contact with the puncture needle.
Further, the fixing portion and the mounting portion are integrally formed.
The embodiment of the utility model provides a pjncture needle fixing device for puncture guide template, including installation department and fixed part, the fixed part is fixed to the installation department, and the installation department is used for fixing to the guide body of puncture guide template on, and the fixed part is used for the pjncture needle that passes in the fixed guide body, can realize the fixed of pjncture needle in the operation of using puncture guide template.
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 description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
fig. 1 is a schematic structural view of a puncture needle fixing device for a puncture guide template according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a puncture guide template according to a second embodiment of the present invention.
Fig. 3 is a schematic front view of a puncture needle fixing device for a puncture guide template according to a third embodiment of the present invention.
Fig. 4 is a left side view schematically illustrating a puncture needle fixing device for a puncture guide template according to a fourth embodiment of the present invention.
Fig. 5 is a schematic structural view of a spring clip according to a fifth embodiment of the present invention.
Description of reference numerals:
1. a fixed part; 2. An installation part;
3. puncturing the guide template; 4. A guide body;
5. puncturing needle; 11. A base;
12. a pressing section; 13. A tail portion;
21. an inner cavity; 22. And (4) a notch.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the embodiment of the present invention, the puncture guide template may be any guide template for setting the guide body, and the setting of the guide body allows the puncture needle to pass through the through hole. The shape of guide body sets up according to actual need, the embodiment of the utility model provides a do not restrict.
Fig. 1 is a schematic structural view of a puncture needle fixing device for a puncture guide template provided in a first embodiment of the present invention, as shown in fig. 1, the embodiment of the present invention provides a puncture needle fixing device for a puncture guide template, which includes an installation portion 2 and a fixing portion 1, wherein:
the fixing part 1 is connected to the mounting part 2;
the mounting part 2 is used for being fixed on a guide body of the puncture guide template, and the fixing part 1 is used for fixing a puncture needle penetrating through the guide body.
Specifically, as shown in fig. 2, a mounting portion 2 is sleeved on one guide body 4 of the puncture guide template 3, a puncture hole is formed in the guide body 4, the mounting portion 2 can be provided with a cavity, and the puncture needle 5 passes through the cavity of the mounting portion 2 and penetrates through the puncture hole of the guide body 4, so that when the puncture needle 5 reaches a target position, the puncture needle 5 can be fixed through the fixing portion 1.
The embodiment of the utility model provides a pjncture needle fixing device for puncture guide template, including installation department and fixed part, the fixed part is fixed to the installation department on, the installation department is used for fixing to the guide body of puncture guide template, and the fixed part is used for the pjncture needle that passes in the fixed guide body, can realize the fixed of pjncture needle in the operation of using puncture guide template.
Fig. 3 is a schematic front view of a puncture needle fixing device for a puncture guide template according to a third embodiment of the present invention, and fig. 4 is a schematic left view of a puncture needle fixing device for a puncture guide template according to a fourth embodiment of the present invention, as shown in fig. 3 and 4, on the basis of the above embodiments, further, the mounting portion 2 is provided with a hollow inner cavity 21 and a through notch 22.
Specifically, the cavity 21 enables the mounting portion 2 to be sleeved on the guide body 4, and the notch 22 facilitates mounting of the mounting portion 2. The shape of the lumen 21 is adapted to the shape of the guide body 4.
In addition to the above embodiments, the inner cavity 21 of the mounting portion 2 is cylindrical. When the guide body 4 is cylindrical, a cylindrical inner cavity 21 may be provided for the mounting portion 2. The diameter of inner chamber 21 sets up according to actual need, the embodiment of the utility model provides a do not limit.
In addition to the above embodiments, the diameter of the cavity 21 is not less than 6 mm and not more than 9 mm. For example, the diameter of the inner cavity 21 is set to 5 mm.
On the basis of the above embodiments, further, the inner wall of the mounting part 2 is provided with a protrusion, and the inner wall of the mounting part 2 is provided with the protrusion to increase the friction force of the inner wall, so as to improve the firmness of the mounting part 2 and the guide body.
To further improve the mounting firmness, the mounting part 2 may be glued to the guide body by means of a non-stick glue or an adhesive tape.
In addition to the above embodiments, the mounting portion 2 has a cylindrical outer shape for easy manufacturing and molding.
In addition to the above embodiments, the fixing portion 1 is further made of an elastic clip. Wherein the spring clip may be made of a resilient material. The cross section of the elastic clip can be a curved polygon.
For example, as shown in fig. 3, the bottom of the elastic clip is fixed to the mounting portion 2, and the projection of the elastic clip is brought into contact with the puncture needle, thereby clamping the puncture needle by applying a force perpendicular to the needle insertion direction of the puncture needle, and fixing the position of the puncture needle. After the puncture needle is pulled out after use, the elastic clip can automatically reset.
In addition to the above embodiments, the width of the elastic clip is not less than 4 mm and not more than 7 mm. For example, the width of the fixing portion 1 is set to 5 mm.
As shown in fig. 5, on the basis of the above embodiments, further, the elastic clip includes a base portion 11, an extruding portion 12 and a tail portion 13 connected in sequence, the base portion 11 is fixed on the mounting portion 2, the extruding portion 12 is used for fixing the puncture needle 5, the extruding portion 12 may be an arc-shaped protruding structure, and is set according to actual needs, which is not limited in the embodiments of the present invention. When the puncture needle passes through the mounting portion 2, the position of the pressing portion 12 can be moved by the tail portion 13 to allow the puncture needle to pass; when the puncture needle is required to be fixed to a target position, the tail portion 13 is released, and the pressing portion 12 is pressed against the puncture needle to fix the position of the puncture needle. When it is necessary to withdraw the puncture needle, the pressing portion 12 can be moved by the tail portion 13 so that the pressing portion 12 does not contact the puncture needle.
On the basis of the above-described embodiments, furthermore, the fixing part 1 is provided with a wear-resistant surface, which is in contact with the puncture needle 5. The wear-resistant surface is provided, so that on the one hand, the wear of the fixing part 1 can be reduced, and on the other hand, the friction force between the fixing part 1 and the puncture needle 5 can be increased, and the puncture needle 5 can be fixed more firmly.
In addition to the above embodiments, the fixing portion 1 and the mounting portion 2 are further integrally formed.
For example, the puncture needle fixing device for the puncture guide template shown in fig. 1 can be manufactured by using an elastic material using a 3D printing manufacturing technique.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
In the description herein, reference to the description of the terms "one embodiment," "a particular embodiment," "some embodiments," "for example," "an example," "a particular example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a pjncture needle fixing device for puncture guide template which characterized in that, includes installation department and fixed part, wherein:
the fixing part is connected to the mounting part;
the installation part is used for being fixed to the guide body of the puncture guide template, and the fixing part is used for fixing the puncture needle penetrating through the guide body.
2. The needle fixture for a puncture guide template of claim 1, wherein the mounting portion defines a hollow interior and defines a through notch.
3. The puncture needle holder for a puncture guide template according to claim 2, wherein the inner cavity of the mounting portion is cylindrical.
4. The puncture needle holder for a puncture guide template according to claim 3, wherein the diameter of the lumen is 6 mm or more and 9 mm or less.
5. The needle fixture for a needle guide template of claim 2, wherein a protrusion is provided on an inner wall of the mounting portion.
6. The puncture needle holder for a puncture guide template according to claim 2, wherein the mounting portion has a cylindrical outer shape.
7. The puncture needle fixing device for a puncture guide template according to claim 1, wherein the fixing portion employs an elastic clip.
8. The puncture needle fixing device for a puncture guide template according to claim 7, wherein the elastic clip includes a base portion, a pressing portion, and a tail portion connected in this order, the base portion being fixed to the mounting portion, the pressing portion being for fixing the puncture needle.
9. The puncture needle fixture for a puncture guide template of claim 1, wherein the fixture provides a wear surface that contacts the puncture needle.
10. The puncture needle fixing device for a puncture guide template according to any one of claims 1 to 9, wherein the fixing portion and the mounting portion are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371932.7U CN217338752U (en) | 2022-02-21 | 2022-02-21 | Puncture needle fixing device for puncture guide template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371932.7U CN217338752U (en) | 2022-02-21 | 2022-02-21 | Puncture needle fixing device for puncture guide template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217338752U true CN217338752U (en) | 2022-09-02 |
Family
ID=83045409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220371932.7U Active CN217338752U (en) | 2022-02-21 | 2022-02-21 | Puncture needle fixing device for puncture guide template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217338752U (en) |
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2022
- 2022-02-21 CN CN202220371932.7U patent/CN217338752U/en active Active
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