Guide needle

Abstract

A guide needle comprises a needle body (1) and a connecting body (2). Wherein the needle body (1) comprises a needle part (11) and a head part (12), and one side of the head part (12) comprises a plurality of bosses (13); and the connector (2) is hermetically connected with the needle body (1) at the head part (12). The head portion (12) is in a groove shape, and the bosses (13) are protrusions located on the two sides of the groove-shaped head portion (12). A first hole part (14) is formed below the boss (13); when the connecting body (2) is connected with the needle body (1) in a sealed mode, the connecting body (2) is connected with the first hole part (14) in a penetrating mode, so that the upper portion and the lower portion of the connecting body (2) are connected together, and the connecting body (2) is clamped with the needle body (1) through the first hole part (14). The head portion (12) is provided with a plane connecting material (15), and the width of the plane connecting material (15) is larger than that of the needle body (1). The utility model has the beneficial effects of good air tightness and stable structure.

Description

Technical Field

[0001] The utility model relates to the technical field of medical device accessories, and in particular to an introducer needle. Background Art

[0002] Blood glucose meter, also known as glucometer, is an electronic instrument for measuring blood glucose level. Blood glucose meter is divided into photoelectric type and electrode type based on working principle. The test principle of electrode type blood glucose meter is more scientific, and the electrode can be hidden. So far, blood glucose meter has gone through five stages of development in technology. The first three generations basically use light reflection method to measure blood glucose concentration, and the fourth and fifth generations mainly rely on electrochemical method. At present, the mainstream blood glucose meter in China uses electrochemical method. Compared with the fourth generation, the fifth generation has made some improvements in details such as micro blood sampling and multi-site blood sampling. It is true that there is a tendency of homogenization in the current market of blood glucose meters, and the basic functions are not much different. But how to measure more precisely and make it more convenient for patients to use has always been the common goal pursued by all companies. Mobile Internet, dynamic blood glucose monitoring, and non-invasive blood glucose monitoring are the three main directions of the current development of blood glucose meters. Mobile blood glucose meter makes full use of mobile Internet technology, combined with mobile devices such as mobile phones and tablets, to give real-time analysis results and store them in the cloud, which is convenient for doctors and self-monitoring. The mobile blood glucose meter is connected to the mobile phone via the headphone jack, and the test results will be stored and processed by the mobile phone software, with multiple functions such as saving, automatic analysis, sharing and reminders.

[0003] A guide needle is required in a dynamic blood glucose meter. The prior art has the following deficiencies: 1. The guide needle needs to be implanted in the human body when in use. It needs to be waterproof, dustproof and sterilized, and the measurement accuracy must be guaranteed. The airtightness requirements are very high. However, the structural parts in the guide needle in the prior art are connected through a set, and the airtightness inside the structure cannot be guaranteed. In actual use, bubbles are found; 2. The guide needle structure is unstable, and the needle body will slip and require maintenance.

[0004] Therefore, it is urgent to develop a guide needle with good air tightness and stable structure. Utility Model Content

[0005] The utility model aims to solve one of the above technical problems at least to a certain extent.

[0006] Therefore, the purpose of the utility model is to provide a guide needle with good air tightness and stable structure.

[0007] To achieve the above-mentioned purpose, the first aspect of the embodiment of the utility model discloses a guide needle, comprising: a needle body 1 and a connector 2; wherein the needle body 1 comprises a needle portion 11 and a head 12, and one side of the head 12 comprises a plurality of bosses 13; the connector 2 is sealed and connected to the needle body 1 at the head 12.

[0008] In addition, the guiding needle according to the above technical solution of the present utility model may further have the following additional technical features:

[0009] Optionally, the head 12 is groove-shaped, and the boss 13 is a protrusion located on both sides of the groove-shaped head 12.

[0010] Optionally, a first hole portion 14 is provided below the boss 13; when the connecting body 2 is hermetically connected to the needle body 1, the connecting body 2 penetrates and connects the first hole portion 14, so that the upper and lower portions of the connecting body 2 are connected together, and is clamped with the needle body 1 through the first hole portion 14.

[0011] Optionally, the head 12 is provided with a flat connecting material 15, and the width of the flat connecting material 15 is greater than the width of the needle body 1.

[0012] Optionally, a second hole portion 16 is provided at the flat connecting material 15; when the connecting body 2 is hermetically connected to the needle body 1, the connecting body 2 penetrates and connects the second hole portion 16, so that the upper and lower portions of the connecting body 2 are connected together, and is clamped with the needle body 1 through the second hole portion 16.

[0013] The beneficial effects of the present utility model are as follows: good airtightness and stable structure. Description of the Drawings

[0014] Figure 1 is the front view of a guiding needle provided by an embodiment of the present utility model;

[0015] Figure 2 is the A-A sectional view of a guiding needle provided by an embodiment of the present utility model;

[0016] Figure 3 is the perspective view of a guiding needle provided by an embodiment of the present utility model;

[0017] Figure 4 is the front view of the needle body of a guiding needle provided by another embodiment of the present utility model;

[0018] Figure 5 is the B-B sectional view of the needle body of a guiding needle provided by another embodiment of the present utility model;

[0019] Figure 6 is the perspective view of the needle body of a guiding needle provided by another embodiment of the present utility model.

[0020] Reference Signs:

[0021] 1 - needle body, 2 - connecting body, 11 - needle portion, 12 - head, 13 - boss, 14 - first hole portion, 15 - flat connecting material, 16 - second hole portion. Detailed Description of the Invention

[0022] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where like or similar reference numerals denote like or similar elements or components / elements having like or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.

[0023] The guide needle according to an embodiment of the present utility model will be described below with reference to the accompanying drawings.

[0024] Figure 1 is the front view of a guide needle provided by an embodiment of the present utility model; Figure 2 is the A-A sectional view of a guide needle provided by an embodiment of the present utility model; Figure 3 is the perspective view of a guide needle provided by an embodiment of the present utility model; Figure 4 is the front view of the needle body of a guide needle provided by another embodiment of the present utility model; Figure 5 is the B-B sectional view of the needle body of a guide needle provided by another embodiment of the present utility model; Figure 6 is the perspective view of the needle body of a guide needle provided by another embodiment of the present utility model. As Figures 1-6 shown, the guide needle includes: a needle body 1 and a connecting body 2; wherein, the needle body 1 includes a needle part 11 and a head part 12, and one side of the head part 12 includes a plurality of bosses 13; the connecting body 2 is hermetically connected to the needle body 1 at the head part 12.

[0025] Specifically, the needle body 1 is a hardware product, and the connecting body 2 is a plastic product. During manufacturing, the finished needle body 1 can be placed in a mold for injection molding to manufacture the connecting body 2, thereby ensuring the airtightness of the structure and the tight fit connection between the needle body 1 and the connecting body 2. In addition, the boss 13 is a protruding part of the needle body 1, and after the needle body 1 is connected to the connecting body 2, it plays a role in preventing the longitudinal slip of the needle body 1.

[0026] According to the guide needle of the present utility model, the injection molding of the connecting body 2 can ensure the airtightness of the guide needle, and the boss 13 of the needle body 1 can improve the structural stability.

[0027] According to an embodiment of the present utility model, the head part 12 is groove-shaped, and the boss 13 is a protrusion on both sides of the groove-shaped head part 12.

[0028] Specifically, the needle body 1 with a groove-shaped head can be formed by stamping, which is convenient for production and processing. At the same time, the boss 13 for improving the stability is also convenient to be designed on the groove-shaped head. In addition, the boss 13 provided here can also improve the strength of the hardware groove body.

[0029] According to an embodiment of the present utility model, a first hole portion 14 is provided below the boss 13; when the connecting body 2 is hermetically connected to the needle body 1, the connecting body 2 penetrates and connects to the first hole portion 14, so that the upper and lower portions of the connecting body 2 are connected together, and is clamped with the needle body 1 through the first hole portion 14.

[0030] Specifically, in order to further improve the airtightness and stability of the structure after injection molding, the first hole portion 14 can be provided below the boss 13. During injection molding, the structure of the connecting body 2 will connect the upper and lower portions together, so that the structure will not produce longitudinal slip, improving the stability of the connection and the structural strength, and the gas will not flow along the needle body 1 towards the head direction.

[0031] According to an embodiment of the present utility model, a planar connecting material 15 is provided on the head 12, and the width of the planar connecting material 15 is greater than the width of the needle body 1.

[0032] Specifically, as Figure 4 、 6 shown, the planar connecting material 15 is designed to have a wider width through the notches and inclined surfaces with a transition design, further preventing the longitudinal slip of the needle body 1.

[0033] According to an embodiment of the present utility model, a second hole portion 16 is provided at the planar connecting material 15; when the connecting body 2 is hermetically connected to the needle body 1, the connecting body 2 penetrates and connects to the second hole portion 16, so that the upper and lower portions of the connecting body 2 are connected together, and is clamped with the needle body 1 through the second hole portion 16.

[0034] Specifically, similar to the first hole portion 14 above, the design purpose of the second hole portion 16 is to improve the stability of the connection and the structural strength, and prevent the gas from flowing along the needle body 1 towards the head direction.

[0035] The above embodiments are the preferred implementation solutions of the present application. In addition, the present application can also be implemented in other ways. Any obvious replacement without departing from the concept of the present application is within the protection scope of the present application.

Claims

1. A guide needle, characterized in that: include: A needle body (1) and a connector (2); The needle body (1) comprises a needle portion (11) and a head portion (12), and one side of the head portion (12) comprises a plurality of bosses (13); the connector (2) is sealingly connected to the needle body (1) at the head portion (12); The head (12) is groove-shaped, and the bosses (13) are protrusions located on two sides of the groove-shaped head (12); A first hole portion (14) is provided below the boss (13); when the connecting body (2) is sealedly connected to the needle body (1), the connecting body (2) penetrates and connects to the first hole portion (14), so that the upper and lower parts of the connecting body (2) are connected together, and the connecting body (2) is clamped to the needle body (1) through the first hole portion (14); The head (12) is provided with a planar connecting material (15), and the width of the planar connecting material (15) is greater than the width of the needle body (1).

2. The guide needle according to claim 1, characterized in that: A second hole portion (16) is provided at the plane connecting material (15); when the connecting body (2) is sealedly connected to the needle body (1), the connecting body (2) penetrates and connects to the second hole portion (16), so that the upper and lower parts of the connecting body (2) are connected together, and the connecting body (2) is clamped to the needle body (1) through the second hole portion (16).

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