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A technology for insulin injection and injection needles, which is applied in the field of medical insulin injection tools, can solve the problems of injection needles being contaminated, difficult to remove, stab wounds, etc., and achieve the goals of improving safety and convenience, highlighting substantive features, and significant technological progress Effect
Active Publication Date: 2015-07-15
SANDSTONE MEDICAL SUZHOU INC
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Problems solved by technology
[0011] 1. The socket between the outer sheath and the main housing has potential safety hazards from the perspective of the protective function of the outer sheath, that is, when the user or other people accidentally pull out the outer sheath, the injection needle will be contaminated and stabbed risk to others;
[0012] 2. From the perspective of product design and use, it is difficult to grasp the effect of the appropriate degree of tightness of the outer sheath to the main shell. If it is loose, it is easy to remove, but there is a risk of falling off; if it is tight, it can ensure the stability of the sleeve, but it is not easy to use. Removal (feel bad), causing inconvenience to the user
Especially under the premise of mass production, it is more difficult to guarantee the consistency of the tightness of the outer sheath socketed with the main shell;
Method used
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Embodiment 1
[0092] Example 1: Disposable safety insulin injection needle (with front-end needle tip protection and rear-end needle tip protection)
[0093] like Figure 1-10 As shown, the injection needle consists of a needle body 6, a needle seat 2, a main casing 3, an outer sheath 8, a tail cover 1, a front sleeve 4, a trigger tube 5 and a spring 7 (see figure 2 ).
[0094] The structure of each component of the disposable safe insulin injection needle of the present embodiment is described in sequence below:
[0095] 1. Needle 6
[0096] The needle body 6 is a tube needle for injecting insulin, and the needle body 6 has an injection section extending toward the front end, a connecting section extending toward the rear end, and a fixing section between the injection section and the connecting section. .
[0097] 2. Needle seat 2
[0098] The needle seat 2 is used to fix the needle body 6 (see Figure 4 ), the fixed section of the needle body 6 is fixed on the needle base 2 , th...
Embodiment 2
[0167] Example 2: Disposable safety insulin injection needle (with front-end needle tip protection, without rear-end needle tip protection)
[0168] like Figure 36 As shown, the injection needle consists of a needle body 6 , a needle seat 2 , a main housing 3 , an outer sheath 8 , a front sleeve 4 , a trigger tube 5 and a spring 7 .
[0169] After fully understanding the insulin injection needle of Example 1, Example 2 only has a front-end needle tip protection structure compared with Example 1, and does not have a rear-end needle tip protection structure. Specifically, there are the following differences in structural design:
[0170] First, Embodiment 2 cancels the tail cover 1 in Embodiment 1;
[0171] Second, in Example 2, the two front legs 16 in the tail cap 1 of Example 1 were transplanted to the needle seat 2 of Example 1, see Figure 37 shown. Embodiment 2 retains the stopper 13 and the toe hook 11 provided on the front leg 16 . Embodiment 2 cancels the sharp-an...
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Abstract
The invention relates to a disposable safe insulin injection needle head matched with an insulin pen to be used. The disposable safe insulin injection needle head comprises a needle body, a needle seat, a main casing and an outer sheath, wherein the outer sheath is arranged outside the main casing in a sleeving way. The disposable safe insulin injection needle head is characterized in that a locking structure achieving a matching effect through a clamp block and a clamp opening is arranged between the outer sheath and the main casing, a seat disc is arranged on the needle disc, the outer edge of the seat disc has the sliding positioning connecting relationship with the inner edge of the main casing, and during the injection needle head installation, the axial thrust of the insulin pen is used, so that the seat disc moves to a second positioning position from the first positioning position, the outer edge of the seat disc jacks up the clamp block arranged on the outer sheath, the clamp block is unbuckled from the clamp opening, the outer sheath is unlocked with the main casing, and in the state, the outer sheath is allowed to be picked away. The disposable safe insulin injection needle head has the advantages that whether the outer sheath is allowed to be picked away or not and whether the insulin pen and the injection needle head are prepared for the injection state or not are associated, the use safety and the use convenience of the injection needle head are greatly improved.
Description
technical field [0001] The invention relates to a medical insulin injection tool, in particular to a disposable safe insulin injection needle. The injection needle can be used for self-administration or other people's administration when used together with an insulin pen, wherein the insulin pen is reusable, and the injection needle is a single-use needle. Background technique [0002] Diabetes is a metabolic disease characterized by hyperglycemia. There is no cure for it, but injecting insulin to patients can effectively control the disease. [0003] There are various insulin injection tools, wherein the insulin injection needle of the present invention is an injection tool used together with an insulin pen, wherein the insulin pen carries a prescribed amount of insulin liquid medicine and can be reused, and the injection needle is a kind of injection tool. Disposable needle with safety guard. [0004] Chinese patent CN101563124A discloses an invention patent application ...
Claims
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Application Information
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