Insulin loading and unloading needle device
By designing the sleeve and elastic edge pressing structure in the insulin loading and unloading needle device, the inconvenient installation and safety problems during disassembly of the insulin injection pen needle are solved, and convenient installation and safe disassembly are achieved.
Patent Information
- Application Number
- CN202421705665.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-18
AI Technical Summary
In the prior art, the outer needle cap is prone to slide with the medical staff's hands when installed, resulting in inconvenience in loading and unloading. During disassembly, the medical staff's hands are exposed to the needle, which poses a risk of accidental stabbing and poor safety.
An insulin loading and unloading needle device is designed, including a sleeve, elastic edge press, press and limit head. Through the reliable fixation of the elastic edge press and the cover protection of the sleeve, the needle and the outer needle cap are easily separated and removed.
The rapid installation and disassembly of the insulin injection pen needle is achieved, avoiding the relative sliding of the outer needle cap and accidental stabbing by medical staff, and improving safety and convenience.
Smart Images

Figure CN223143897U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical appliances, and particularly relates to an insulin needle loading and unloading device. Background Art
[0002] In the process of treating diabetic patients, it is often necessary to use an insulin injection pen to inject insulin into the diabetic patients to maintain the blood sugar balance in the patients. After the insulin injection pen is used for multiple injections, in order to avoid cross-infection of the injection pen needles, it is necessary to replace the insulin injection pen needles in a timely manner.
[0003] Currently, when replacing the insulin injection pen needles, it is mainly through medical staff holding the insulin injection pen needle cap to screw and load and unload the needles. Although the above-mentioned loading and unloading method can achieve the convenient loading and unloading of the insulin injection pen needles, on the one hand, when installing the needles, it is easy to cause inconvenience in removing the insulin needle cap due to the relative sliding between the outer needle cap of the needle and the hands of the medical staff, thus making it inconvenient for the efficient use of the insulin injection pen needles after installation. On the other hand, when disassembling the needles, since the hands of the medical staff are directly exposed at the needle position, it is easy to cause the needle to stab the medical staff due to the accidental shaking of the hands of the medical staff, resulting in poor safety when disassembling the insulin injection pen needles. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] The technical problem to be solved by the utility model is to provide an insulin needle loading and unloading device that can both avoid the relative sliding of the outer needle cap relative to the hands of medical staff after the needle is installed and can effectively shield and protect the needle position when disassembling to avoid accidental injury to medical staff, in view of the current situation of the prior art.
[0006] (2) Technical Solutions
[0007] The utility model is realized through the following technical solutions: The utility model provides an insulin needle loading and unloading device, which includes a sleeve. Two through holes are symmetrically arranged on both side walls of the sleeve. An elastic pressing edge is installed in each through hole. A pressing head is installed on the lower part of the outer wall of the elastic pressing edge, and a limiting head is installed on the lower part inside the elastic pressing edge. A through hole is opened in the middle of the inner bottom end of the sleeve, and four limiting platforms are arranged in a ring around the inner bottom end of the sleeve. A slot is arranged between two adjacent limiting platforms inside the sleeve.
[0008] Furthermore, the through hole penetrates the outer wall of the sleeve, and the elastic pressing edge is formed on the sleeve.
[0009] By adopting the above technical solutions, reliable fixation of the elastic pressing edge in the through hole can be achieved.
[0010] Furthermore, a gap is reserved between the bottom of the elastic pressing edge and the through hole.
[0011] By adopting the above technical solution, convenient pressing adjustment of the elastic pressing edge relative to the through hole can be achieved.
[0012] Furthermore, the pressing head and the limiting head are both formed on the elastic pressing edge, and both the elastic pressing edge and the sleeve are made of plastic.
[0013] By adopting the above technical solution, the pressing head mainly realizes the convenient pressing of the elastic pressing edge, and the limiting head is mainly used to limit the outer needle cap on the insulin injection pen needle, realizing the convenient separation of the outer needle cap and the needle.
[0014] Furthermore, the upper end of the sleeve is of an open structure, and the opening size of the upper end of the sleeve is larger than the size of the through hole.
[0015] By adopting the above technical solution, convenient insertion of the insulin injection pen head into the sleeve can be ensured, so as to protect the hands of medical staff when disassembling the needle.
[0016] Furthermore, the through hole is formed on the sleeve, and the size of the through hole matches the size of the bottom of the outer needle cap on the insulin injection pen needle.
[0017] By adopting the above technical solution, rapid installation and use of the outer needle cap of the insulin injection pen can be ensured.
[0018] Furthermore, the size of the limiting platform matches the groove on the outer needle cap of the insulin injection pen needle, and the limiting platform is bonded to the sleeve.
[0019] By adopting the above technical solution, the cooperation between the limiting platform and the slot can ensure rapid and effective limiting of the outer needle cap of the insulin injection pen after installation in the sleeve, preventing the outer needle cap from rotating relative to the sleeve.
[0020] (III) Beneficial Effects
[0021] The present utility model has the following beneficial effects compared with the prior art:
[0022] To solve the problem that when replacing the needle of an insulin injection pen, it is mainly the medical staff who hold the needle cap of the insulin injection pen to screw on and off the needle. Although the above-mentioned loading and unloading method can achieve the convenient loading and unloading of the insulin injection pen needle, on the one hand, when installing the needle, it is easy for the outer needle cap of the needle to slide relative to the hand of the medical staff, resulting in inconvenient removal of the insulin needle cap, which is not conducive to the efficient use of the insulin injection pen needle after installation. On the other hand, when removing the needle, since the hand of the medical staff is directly exposed at the needle, it is easy for the needle to stab the medical staff due to the accidental shaking of the hand of the medical staff, resulting in poor safety when removing the insulin injection pen needle. On the one hand, the utility model can effectively limit the outer needle cap under the action of the through hole, elastic clamping edge, pressing head and limiting head, realizing the rapid separation of the insulin injection pen needle from the outer needle cap during installation. On the other hand, it can shield and protect the insulin injection pen needle during removal under the action of the sleeve, preventing the insulin injection pen needle from accidentally injuring hospital personnel during removal, making the safety of the insulin injection pen needle better during removal. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is the main cross-sectional view of an insulin needle loading and unloading device according to the present utility model;
[0024] Figure 2 is the structural schematic diagram of an insulin needle loading and unloading device according to the present utility model.
[0025] The description of the reference numerals is as follows:
[0026] 1, elastic pressing edge; 2, pressing head; 3, sleeve; 4, through hole; 5, limiting head; 6, limiting table; 7, through hole; 8, slot. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0028] As Figure 1 - Figure 2As shown in the figure, an insulin loading and unloading needle device in this embodiment includes a sleeve 3. Two through holes 4 are symmetrically formed on both side walls of the sleeve 3. An elastic pressing edge 1 is installed in each through hole 4. A pressing head 2 is installed at the lower part of the outer wall of the elastic pressing edge 1, and a limiting head 5 is installed at the lower part inside the elastic pressing edge 1. The pressing head 2 mainly realizes the convenient pressing of the elastic pressing edge 1, and the limiting head 5 is mainly used to limit the outer needle cap on the insulin injection pen needle, so as to realize the convenient separation of the outer needle cap and the needle. A through hole 7 is formed in the middle of the inner bottom end of the sleeve 3. Four limiting platforms 6 are annularly arranged around the inner bottom end of the sleeve 3. A slot 8 is arranged between two adjacent limiting platforms 6 inside the sleeve 3. The cooperation of the limiting platform 6 and the slot 8 can ensure the quick and effective limiting of the outer needle cap of the insulin injection pen after being installed in the sleeve 3, and prevent the outer needle cap from rotating relative to the sleeve 3.
[0029] As Figure 1 - Figure 2 shown in the figure, in this embodiment, the through hole 4 penetrates the outer wall of the sleeve 3, and the elastic pressing edge 1 is formed on the sleeve 3, which can realize the reliability of the elastic pressing edge 1 in the through hole 4. A gap is reserved between the bottom of the elastic pressing edge 1 and the through hole 4, which can realize the convenient pressing and adjustment of the elastic pressing edge 1 relative to the through hole 4. The pressing head 2 and the limiting head 5 are both formed on the elastic pressing edge 1. Both the elastic pressing edge 1 and the sleeve 3 are made of plastic.
[0030] As Figure 1 - Figure 2 shown in the figure, in this embodiment, the upper end of the sleeve 3 is an open structure, and the opening size at the upper end of the sleeve 3 is larger than the size of the through hole 7, which can ensure the convenient insertion of the end of the insulin injection pen into the sleeve 3, so as to protect the hands of medical staff when removing the needle. The through hole 7 is formed on the sleeve 3, and the size of the through hole 7 matches the size of the bottom of the outer needle cap on the insulin injection pen needle, which can ensure the quick installation and use of the outer needle cap of the insulin injection pen. The size of the limiting platform 6 matches the groove on the outer needle cap outside the insulin injection pen needle, and the limiting platform 6 is bonded to the sleeve 3.
[0031] The specific implementation process of this embodiment is as follows: When in use, the outer needle cap on the needle of the insulin injection pen is directly inserted into the through hole 7, so as to limit the outer needle cap on the insulin injection pen needle under the action of the limiting platform 6 and the slot 8. Then, the end of the insulin injection pen is inserted into the needle inside the outer needle cap, and the installation of the needle and the end of the insulin injection pen is realized by screwing. After the needle is installed, the elastic pressing edge 1 is moved towards the inner side of the through hole 4 by pressing the pressing head 2, so as to limit the outer needle cap under the action of the limiting head 5, thereby realizing the convenient separation of the installed needle and the outer needle cap. At the same time, when removing the needle, the outer needle cap and the inner needle cap are directly placed in the sleeve 3, and then the end of the insulin injection pen with the needle installed is extended into the sleeve 3, so as to realize the screwing and removal of the needle under the protection of the sleeve 3, avoiding the needle from damaging medical staff during removal, and making the safety of the insulin injection pen needle better during removal.
[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather should be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An insulin loading and unloading needle device, characterized in that: It includes a sleeve (3), on both side walls of which there are symmetrically two through holes (4) opened. In each of the through holes (4), there is an elastic pressing edge (1) installed. At the lower part of the outer wall of the elastic pressing edge (1), there is a pressing head (2) installed. At the lower part inside the elastic pressing edge (1), there is a limiting head (5) installed. In the middle of the bottom end inside the sleeve (3), there is a through hole (7) opened. Around the bottom end inside the sleeve (3), there are four limiting platforms (6) arranged in a ring shape. Between two adjacent limiting platforms (6) inside the sleeve (3), there is a slot (8) arranged.
2. The insulin loading and unloading needle device according to claim 1, wherein: The through hole (4) penetrates through the outer wall of the sleeve (3), and the elastic pressing edge (1) is formed on the sleeve (3).
3. The insulin loading and unloading needle device according to claim 1, wherein: There is a gap reserved between the bottom of the elastic pressing edge (1) and the through hole (4).
4. The insulin loading and unloading needle device according to claim 1, wherein: The pressing head (2) and the limiting head (5) are both formed on the elastic pressing edge (1), and both the elastic pressing edge (1) and the sleeve (3) are made of plastic.
5. An insulin loading and unloading needle device according to claim 1, wherein: The upper end of the sleeve (3) is of an open structure, and the opening size at the upper end of the sleeve (3) is larger than the size of the through hole (7).
6. The insulin loading and unloading needle device according to claim 1, characterized in that: The through hole (7) is formed on the sleeve (3), and the size of the through hole (7) matches the size of the bottom of the outer needle cap on the insulin injection pen needle.
7. An insulin loading and unloading needle device according to claim 1, characterized in that: The size of the limiting platform (6) matches the groove on the outer needle cap of the insulin injection pen needle, and the limiting platform (6) is bonded to the sleeve (3).