一种CGM穿刺针结构

By designing a needle tip structure that combines a sharp point and a buffer section, the contradiction between strength and sharpness in existing puncture needles is resolved, reducing user pain and enhancing the strength of the needle tip, thus avoiding the risk of breakage.

CN224505441UActive Publication Date: 2026-07-17DONGGUAN DAWEI PRECISION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN DAWEI PRECISION TECH CO LTD
Filing Date
2025-08-13
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing puncture needles, while ensuring strength and sharpness, cause significant pain to users and pose a risk of breakage during implantation.

Method used

A CGM puncture needle structure is designed, which uses a combination of a spike section and a buffer section. The included angle of the spike section is larger than that of the buffer section. The buffer section reduces the puncture force by adjusting the included angle and the design of the blade surface.

Benefits of technology

It reduces the user's pain while increasing the strength of the needle tip, avoiding the risk of breakage during implantation.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型涉及医疗设备技术领域，尤其涉及一种CGM穿刺针结构，该穿刺针包括用于容纳传感器的针管和与针管连接的针尖，针尖包括尖刺段和连接于尖刺段与针管之间的缓冲段，尖刺段的夹角大于缓冲段的夹角。本申请通过将针尖设置成相连接的尖刺段和缓冲段，尖刺段的夹角大于缓冲段的夹角，当尖刺段的夹角不变时，将缓冲段的夹角做小来减小针尖的穿刺力，从而降低用户的痛感。
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Claims

1. A CGM puncture needle structure comprising a needle tube for accommodating a sensor and a needle tip connected with the needle tube, characterized in that, The needle tip includes a spike segment and a buffer segment connecting the spike segment and the needle tube, wherein the included angle of the spike segment is greater than the included angle of the buffer segment.

2. The CGM puncture needle structure of claim 1, wherein, The spiked segment and the buffer segment are triangular and trapezoidal in shape, respectively.

3. The CGM puncture needle structure of claim 1, wherein, The spiked section and the buffer section are respectively provided with a first cutting surface and a second cutting surface on their two symmetrical sides, and the first cutting surface and the second cutting surface are connected.

4. The CGM puncture needle structure of claim 3, wherein, The second cutting edge is perpendicular to the bottom surface of the buffer section.

5. The CGM puncture needle structure of claim 3, wherein, An arc-shaped surface is provided between the first cutting edge and the second cutting edge.

6. The CGM puncture needle structure of claim 5, wherein, Both the first and second cutting surfaces are inclined flat surfaces.