阅读说明：本技术 一种微针 (Micro-needle ) 是由 张炳兴 于 2019-10-31 设计创作，主要内容包括：本发明提出了一种微针,解决了现有技术中因结构的限制影响操作周期且增加操作难度的问题；包括固定段,用于与外部定位或操作设备连接；延展段,与固定段连接；作用段,与延展段连接,且与延展段的连接处形成第一转向点和第二转向点；固定段与延展段的连接处之间的平面趋近第一转向点与第二转向点的连线逐渐缩小；本发明提出的微针避免了重复操作,而患者无需承受多次痛楚,进而在缩短操作周期的前提下,降低操作难度。(The invention provides a microneedle, which solves the problems that the operation period is influenced and the operation difficulty is increased due to the limitation of a structure in the prior art; comprises a fixed section, which is used for connecting with external positioning or operating equipment; the extension section is connected with the fixed section; the action section is connected with the extension section, and a first turning point and a second turning point are formed at the joint of the action section and the extension section; the plane between the connecting parts of the fixed section and the extension section is gradually reduced towards the connecting line of the first turning point and the second turning point; the microneedle provided by the invention avoids repeated operation, and a patient does not need to suffer from pain for many times, so that the operation difficulty is reduced on the premise of shortening the operation period.)

1. A microneedle, comprising:

a fixed segment (1) for connection with an external positioning or operating device;

the extension section (2) is connected with the fixed section (1);

the action section (3) is connected with the extension section (2), and a first turning point (4) and a second turning point (5) are formed at the connection part of the action section and the extension section (2);

the plane between the connection of the fixed section (1) and the extension section (2) is gradually reduced towards the connecting line of the first turning point (4) and the second turning point (5).

2. A microneedle according to claim 1, characterized in that the active segment (3) comprises:

a head body (31) connected to the extension (2);

a tip (32) provided on the head body (31); and the tip (32) forms a cutting edge (33) with the first turning point (4) and the second turning point (5), respectively.

3. A microneedle according to claim 2, wherein the line connecting the tip (32), the first turning point (4) and the second turning point (5) forms an isosceles triangle.

4. A microneedle according to claim 3, wherein the line connecting the tip (32) and the first turning point (4) forms an angle α of 50 ° -70 ° with the line connecting the first turning point (4) and the second turning point (5).

5. A microneedle according to claim 1, further comprising: a central ridge (6) which penetrates through the extension section (2) and the action section (3).

6. A microneedle according to claim 6, wherein the central ridge (6) lies on a straight line passing through the active segment (3) and the extension segment (2) and parallel to the axis of the fixation segment (1).

7. A microneedle according to claim 5, wherein the central ridge (6) tapers towards the ends of the extension (2) such that the plane between the ends of the extension (2) and the central ridge (6) forms an angle β with the plane in which the extension (2) lies.

8. A microneedle according to claim 1, wherein the length of the line between the first turning point (4) and the second turning point (5) is greater than the length of the diameter of the fixing segment (1).

9. A microneedle according to claim 1, characterized in that the extension (2) comprises a first face (21) and a second face (22), and in that the first face (21) or the second face (22) is at an angle γ with respect to the plane of the outer surface of the anchoring portion (1).

10. A microneedle according to claim 9, wherein the angle γ is between 2 ° and 10 °.

Technical Field

The invention relates to the field of thrombus extraction equipment, in particular to a microneedle.

Background

Thrombus is a small mass formed on the surface of a blood flow at a denuded or repaired position of the inner surface of a blood vessel of a cardiovascular system; aiming at the thrombus treatment in the modes of needling bloodletting and cupping to take out the blood stasis and thrombus in the traditional Chinese medicine thrombus treatment; the flat needle has the functions of puncturing and cutting, so the flat needle is widely introduced as a main tool for releasing blood by acupuncture and taking extravasated blood and thrombus by cupping;

Disclosure of Invention

The invention provides a microneedle, which solves the problems that the operation period is influenced and the operation difficulty is increased due to the limitation of a structure in the prior art.

The technical scheme of the invention is realized as follows:

a microneedle, comprising:

the fixed section is used for being connected with external positioning or operating equipment;

the extension section is connected with the fixed section;

the action section is connected with the extension section, and a first turning point and a second turning point are formed at the joint of the action section and the extension section;

the plane between the connecting parts of the fixed section and the extension section is gradually reduced towards the connecting line of the first turning point and the second turning point.

As a further technical scheme, the action section comprises:

the head body is connected with the extension section;

a tip disposed on the head body; and the tip and the first and second turning points form a cutting edge, respectively.

Preferably, a line connecting the tip, the first turning point and the second turning point forms an isosceles triangle.

Preferably, the line connecting the tip of the head and the first turning point forms an angle α of 50 ° to 70 ° with the line connecting the first turning point and the second turning point.

As a further technical solution, the method further comprises: the central ridge penetrates through the extension section and the action section.

Preferably, the central spine lies on a straight line passing through the active segment and the extended segment and parallel to the axis of the fixed segment.

Preferably, the central ridge gradually decreases from the two ends of the extension section, so that an included angle β is formed between a plane between the two ends of the extension section and the central ridge and a plane where the extension section is located.

Preferably, the length of a connecting line between the first turning point and the second turning point is greater than the diameter length of the fixed section.

Preferably, the extension section comprises a first face and a second face, and the first face or the second face forms an angle γ with the plane of the outer surface of the fixing section.

Preferably, the angle γ is 2 ° to 10 °.

The technical scheme of the invention is that the fixing section is fixed with the operation equipment and acts under the drive of the operation equipment, the affected part can be directly punctured or the affected part is opened through the action section, and the contact area between the fixing section and the affected part is reduced when puncturing or opening is carried out due to the fact that the plane between the connecting part of the fixing section and the extension section approaches to the connecting line of the first turning point and the second turning point, and the success rate of puncturing or opening can be increased; compared with the prior art, repeated operation is avoided, and the patient does not need to bear pain for many times, so that the operation difficulty is reduced on the premise of shortening the operation period.

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 the drawings without creative efforts.

FIG. 1 is a schematic structural view of one embodiment of a microneedle of the present invention;

fig. 2 is a schematic diagram of the structure of the microneedle after the right side view of fig. 1;

FIG. 3 is an enlarged view of the structure of portion A in FIG. 1;

FIG. 4 is an enlarged view of the structure of part B in FIG. 2;

fig. 5 is a schematic structural view of another embodiment of a microneedle according to the present invention;

fig. 6 is a schematic structural diagram of the microneedle after the top view 5.

In the figure:

1. a fixed section; 2. an extension section; 21. a first side; 22. a second face; 3. an action section; 31. a head body; 32. a tip of the head; 33. a blade; 4. a first turning point; 5. a second turning point; 6. a central spine;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, a microneedle according to the present invention includes:

the fixed section 1 is used for being connected with external positioning or operating equipment, and particularly, when the fixed section 1 is used, the fixed section is connected with the operating equipment and is driven by the operating equipment to perform corresponding actions;

the extension section 2 is connected with the fixed section 1; the action section 3 is connected with the extension section 2, and a first turning point 4 and a second turning point 5 are formed at the connection part of the action section 3 and the extension section 2; in the invention, the length of a connecting line between the first turning point 4 and the second turning point 5 is greater than the diameter length of the fixed section 1; on one hand, the device can be limited when being installed and operated, and on the other hand, the size of the puncture or opening of the action section 3 is increased, so that multiple operations are avoided;

when the operation tool is used, the fixed section 1 moves under the driving of the operation equipment, the extension section 2 and the action section 3 move along under the driving of the fixed section 1, and the action section 3 is contacted with an affected part to puncture or open the affected part; and the number of the first and second electrodes,

the plane between the connection parts of the fixed section 1 and the extension section 2 is gradually reduced close to the connecting line of the first turning point 4 and the second turning point 5; namely, the extension section 2 comprises a first surface 21 and a second surface 22, and an included angle gamma exists between the first surface 21 or the second surface 22 and the plane of the outer surface of the fixing section 1; in the invention, the included angle gamma is 2-10 degrees; preferably 10 °;

in addition, in the present invention, the action section 3 includes a head body 31 and a tip 32, the head body 31 is connected to the extension section 2; the tip 32 is provided on the head body 31; and the tip 32 forms a cutting edge 33 with the first turning point 4 and the second turning point 5, respectively; the head body 31 is connected with the extension section 2, and the head tip 32 is matched with the blade 33 to perform the delay slope or opening; in order to ensure the accuracy and efficiency of the puncturing or opening operation and make the pressure of the affected part borne by the tip 32 during the puncturing or opening process more uniform, preferably, the connecting line of the tip 32, the first turning point 4 and the second turning point 5 forms an isosceles triangle; and the connecting line of the head tip 32 and the first turning point 4 and the connecting line of the first turning point 4 and the second turning point 5 form an included angle alpha of 50-70 degrees; the specific included angle alpha is 60 degrees;

as shown in fig. 5 and 6, in another embodiment of the present invention, the present invention further comprises a central ridge 6, wherein the central ridge 6 penetrates through the extension segment 2 and the action segment 3; that is, the central ridge 6 is arranged on the extension section 2 and the action section 3, and the central ridge 6 is arranged on both sides of the extension section 2 and the action section 3, as shown in fig. 6, after the affected part is punctured or opened, the puncture size or opening size of the affected part can be increased by the arrangement of the central ridge 6, which is beneficial to removing thrombus in the affected part;

specifically, in the present invention, the central ridge 6 is located on a straight line passing through the action segment 3 and the extension segment 2 and parallel to the axis of the fixed segment 1; and the central ridge 6 is gradually reduced from the two ends of the extension section 2, so that an included angle beta is formed between the plane between the two ends of the extension section 2 and the central ridge 6 and the plane where the extension section 2 is located; the angle beta can be adjusted according to different actual conditions, namely the angle beta can be adjusted, and the preferred angle beta is 10-30 degrees, and is preferably 15 degrees.

For a better understanding of the present invention, the following examples are set forth: