Automatic insulin needle feeding pen capable of preventing acupuncture
By designing a needle reservoir and a permanent magnet structure on the insulin pen, rapid needle replacement is achieved, solving the problems of inconvenient needle replacement and needle puncture risk in existing technologies, and improving efficiency and safety.
Patent Information
- Application Number
- CN202422857217.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Current insulin pens require needle replacement before each injection, resulting in wasted time and an increased risk of needlestick injury.
Design an automatic insulin pen that is puncture-proof, featuring a needle storage assembly pre-loaded with multiple needles. The needles can be quickly replaced using a needle replacement sleeve and a permanent magnet structure, ensuring that the needles are coaxially threadedly connected to the insulin pen.
It improves needle replacement efficiency and reduces the risk of needle pricks caused by frequent needle replacements.
Smart Images
Figure CN223696502U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to insulin pen technical field, concretely relates to an automatic insulin needle pen of preventing needle prick. BACKGROUND
[0002] Insulin pen is accurate to inject insulin to subcutaneous tissue through needle head by pushing the piston in the cartridge. When the user adjusts the dose and presses the injection button, the mechanical device inside the pen body will exert pressure on the cartridge, so that the insulin is pushed out according to the set dose. Compared with the traditional syringe, the operation of insulin pen is more simple and intuitive. Patients only need to install the insulin cartridge into the pen body, install the needle, and then inject after adjusting the dose, without the complicated insulin extraction operation as using the syringe. Since the needle is a disposable product, the existing insulin pen needs to refill the needle every time, which is time-consuming and increases the risk of needle prick injury caused by frequent needle replacement. SUMMARY
[0003] The utility model aims at providing an automatic insulin needle pen of preventing needle prick to solve the above-mentioned shortcomings in the prior art.
[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic insulin needle pen of preventing needle prick, comprising: an insulin pen, a needle changing sleeve is provided on the insulin pen, a plurality of needle storage assemblies are arranged in the needle changing sleeve, a needle is connected to the needle storage assembly, the needle is coaxial with the insulin pen and rotates the insulin pen by pressing the needle storage assembly, the needle is screwed to the insulin pen, and the needle is separated from the needle storage assembly after the needle storage assembly is released.
[0005] Further, the needle storage assembly comprises a shell, the shell is slidably arranged on the needle changing sleeve, an arc-shaped groove is formed in the bottom of the shell, two clamping plates are fixedly connected in the arc-shaped groove, a baffle is rotatably arranged on each side of the bottom end of the shell, and the baffle is connected to the shell through a torsional spring.
[0006] Further, a limiting plate is arranged at each end of the baffle, the top of the limiting plate is connected to the inner wall of the needle changing sleeve through a vertical plate on each side, and the limiting plate and the shell are connected through a spring.
[0007] Further, a needle penetrating hole is formed in the needle changing sleeve, and the needle penetrating hole is communicated with the inner cavity of the needle storage assembly.
[0008] Further, a plurality of clamping blocks are arranged at the end of the insulin pen, and a plurality of clamping grooves matched with the clamping blocks are formed in the end of the needle changing sleeve.
[0009] Further, the insulin pen outer side thread connection is limited by a limiting ring, a plurality of second permanent magnets are arranged on the limiting ring, and a plurality of first permanent magnets corresponding to the plurality of second permanent magnets are arranged on one side of the needle changing sleeve close to the limiting ring.
[0010] In the above technical solution, the automatic needle-changing insulin pen provided by the utility model has the beneficial effects that:
[0011] The utility model discloses a plurality of needle heads are connected in advance in the needle storage assembly, and when the insulin is continuously used, the needle head can be quickly replaced, the working efficiency is improved, and the risk of needle stick caused by frequent replacement of the needle head is reduced.
[0012] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, rather than for limiting the present disclosure.
[0013] The present application provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.
[0015] Figure 1 The front structure schematic diagram of the needle changing sleeve provided by the utility model embodiment is provided.
[0016] Figure 2 The back structure schematic diagram of the needle changing sleeve provided by the utility model embodiment is provided.
[0017] Figure 3 The first perspective internal structure schematic diagram provided by the utility model embodiment is provided.
[0018] Figure 4 The second perspective internal structure schematic diagram provided by the utility model embodiment is provided.
[0019] Figure 5 The cross-sectional view provided by the utility model embodiment is provided.
[0020] Figure 6 The structure schematic diagram of the needle storage assembly provided by the utility model embodiment is provided.
[0021] Figure 7 The structure schematic diagram of the needle storage assembly provided by the utility model embodiment is provided. Figure 4 The enlarged view of A is provided.
[0022] Figure 8 The utility model provides Figure 5 The enlarged view of B;
[0023] Figure 9 The utility model provides a needle storage assembly cross section view.
[0024] Mark explanation:
[0025] 1, insulin pen;11, card block;2, needle changing cover;21, card slot;22, needle hole;23, first permanent magnet;3, needle storage assembly;31, shell;32, arc slot;33, clamping plate;34, baffle;35, torsional spring;36, rotating shaft;4, limiting ring;41, second permanent magnet;51, vertical plate;52, spring;53, limiting plate;6, needle. Specific implementation
[0026] In order to make the purpose, technical scheme and advantage of the embodiment of the present disclosure clearer, the technical scheme of the embodiment of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiment of the present disclosure.It is obvious that the described embodiment is a part of the embodiment of the present disclosure, rather than all the embodiments.Based on the described embodiment of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the present disclosure.
[0027] Please refer to Figures 1-9 An automatic needle injection pen for preventing needle stick, comprising: an insulin pen 1, an insulin pen 1 is provided with a needle changing cover 2, a plurality of needle storage assemblies 3 are arranged in the needle changing cover 2, a needle 6 is clamped in the needle storage assembly 3, the needle 6 is coaxial with the insulin pen 1 and rotates the insulin pen 1 by pressing the needle storage assembly 3, so that the needle 6 is screwed with the insulin pen 1, and the needle 6 is separated from the needle storage assembly 3 after the needle storage assembly 3 is loosened.
[0028] Specifically, the utility model discloses that a plurality of needles 6 are clamped in the needle storage assembly 3 in advance, when insulin is continuously used, the needle 6 can be quickly replaced, and the working efficiency is improved.
[0029] Further, the needle storage assembly 3 comprises a shell 31, the shell 31 is slidably arranged on the needle changing cover 2, a groove is formed in the needle changing cover 2 for sliding the shell 31, an arc slot 32 is formed in the bottom of the shell 31, two clamping plates 33 are fixedly connected in the arc slot 32, the two clamping plates 33 are symmetrically arranged, and Figure 7, one side of the clamping plate 33 is fixedly connected to the inner wall of the arc-shaped groove 32 along the axis direction of the needle changing sleeve 2, the bottom end of the shell 31 is rotatably provided with a baffle 34 on each side, the baffle 34 is connected to the shell 31 through a torsional spring 35, the baffle 34 is rotatably provided on the inner side wall of the arc-shaped groove 32, including a rotating shaft 36, the rotating shaft 36 is fixedly sleeved with the baffle 34 outside, the rotating shaft 36 is rotatably provided on the shell 31, the rotating shaft 36 is movably sleeved with the torsional spring 35 outside, one end of the torsional spring 35 is inserted into the shell 31, and the other end is inserted into the baffle 34, the torsional spring 35 provides a torque for the baffle 34, and the needle 6 is abutted in the arc-shaped groove 32.
[0030] Specifically, referring to Figure 4 , the needle 6 is inserted into the arc-shaped groove 32, in this process, the needle 6 overcomes the torque of the two baffles 34, so that the baffle 34 rotates outward, and the torque of the baffle 34 can lock the needle 6 in the arc-shaped groove 32.
[0031] Further, the baffle 34 is provided with a limiting plate 53 at both ends, the limiting plate 53 is located at the front and rear ends of the needle storage assembly 3, the top of the limiting plate 53 is connected to the inner wall of the needle changing sleeve 2 through a vertical plate 51 on each side, each limiting plate 53 is fixedly connected with two vertical plates 51, the top of the vertical plate 51 is fixedly connected to the inner wall of the needle changing sleeve 2, and the limiting plate 53 is relatively narrow and located at the edge of the limiting plate 53, which does not affect the transfer of the needle 6 from the needle storage assembly 3 to the insulin pen 1, the limiting plate 53 is connected between the shell 31 through a spring 52, one end of the spring 52 is fixedly connected to the shell 31, and the other end of the spring 52 is fixedly connected to the limiting plate 53, referring to Figure 7 , the spring 52 is arranged at the edge position on the limiting plate 53, and the two springs 52 are symmetrically arranged on the limiting plate 53.
[0032] Specifically, referring to Figure 1 and Figure 7 , the shell 31 is pressed, so that the shell 31 slides downward after overcoming the elastic force of the spring 52, so that the shell 31 drives the needle 6 to slide downward, after the shell 31 completely enters the needle changing sleeve 2, the insulin pen 1 is rotated, and a force close to the needle changing sleeve 2 is applied to the insulin pen 1, due to the limiting effect of the clamping plate 33 on the needle 6, the needle 6 is threadedly connected to the insulin pen 1, then the shell 31 is released, and the shell 31 is reset under the elastic force of the spring 52, at this time, the needle 6 is threadedly connected to the insulin pen 1 as a whole, the elastic force of the spring 52 continues to overcome the torque of the torsional spring 35, so as to realize the reset of the shell 31, and complete the installation of the needle 6.
[0033] Further, the needle changing sleeve 2 is provided with a needle hole 22, the needle hole 22 communicates with the inner cavity of the needle storage assembly 3, and the needle 6 is inserted into the arc-shaped groove 32 through the needle hole 22.
[0034] Further, the end of the insulin pen 1 is provided with a plurality of clamping blocks 11, and the end of the needle changing sleeve 2 is provided with a plurality of clamping grooves 21 matched with the clamping blocks 11.
[0035] Specifically, when the needle changing sleeve 2 is completely sleeved on the insulin pen 1, the clamping blocks 11 are clamped in the clamping grooves 21, the relative sliding of the insulin pen 1 and the needle changing sleeve 2 is prevented, the clamping blocks 11 are fixedly connected to the insulin pen 1, and the clamping grooves 21 are formed in the inner side of the needle changing sleeve 2.
[0036] Further, the outer side of the insulin pen 1 is screw-connected with a limiting ring 4, the limiting ring 4 is provided with a plurality of second permanent magnets 41 in an array, and the side, close to the limiting ring 4, of the needle changing sleeve 2 is provided with a plurality of first permanent magnets 23 in an array and matched with the plurality of second permanent magnets 41 for adsorption.
[0037] Specifically, four first permanent magnets 23 are embedded in the needle changing sleeve 2, four second permanent magnets 41 are embedded in the limiting ring 4, the four first permanent magnets 23 and the four second permanent magnets 41 are correspondingly adsorbed, the needle changing sleeve 2 is limited on the insulin pen 1, the number of the first permanent magnets 23 and the second permanent magnets 41 can be correspondingly arranged according to the number of the needle storage assemblies 3 arranged in the needle changing sleeve 2, and the first permanent magnets 23 are arranged at intervals from the needle penetrating holes 22.
[0038] In the utility model, reference is made to Figures 1 to 9 , the initial state is that the needle changing sleeve 2 is sleeved on the insulin pen 1, the first permanent magnets 23 and the second permanent magnets 41 are adsorbed, and the two clamping blocks 11 are clamped in the two clamping grooves 21, first, the needle changing sleeve 2 is pulled, so that the first permanent magnets 23 and the second permanent magnets 41 are separated from adsorption, until the clamping blocks 11 contact the side surface on which the first permanent magnets 23 installed on the needle changing sleeve 2 are located, then the needle head 6 is inserted into the arc-shaped groove 32 through the needle penetrating hole 22, and the operation is repeated several times, so that the plurality of groups of needle storage assemblies 3 arranged in the needle changing sleeve 2 are all clamped with a needle head 6.
[0039] Secondly, one of the needle storage assemblies 3 is pressed, that is, the shell 31 is pressed, so that the shell 31 slides downward under overcoming the elastic force of the spring 52, the shell 31 drives the needle head 6 to slide downward, after the shell 31 completely enters the needle changing sleeve 2, the insulin pen 1 is rotated, and a force close to the needle changing sleeve 2 is applied on the insulin pen 1, due to the limiting effect of the clamping plate 33 on the needle head 6, the needle head 6 is screw-connected on the insulin pen 1, then the shell 31 is loosened, and the shell 31 is reset under the elastic force of the spring 52, at this time, the needle head 6 is screw-connected with the insulin pen 1 as a whole, the elastic force of the spring 52 continues to overcome the torque force of the torsional spring 35, so that the shell 31 is reset, and the installation of the needle head 6 is completed.
[0040] Finally, slide the needle changing sleeve 2 on the insulin pen 1, so that the two clamping blocks 11 are inserted into the two clamping grooves 21, and the first permanent magnet 23 and the second permanent magnet 41 are mutually adsorbed.
[0041] In the utility model, according to the arrangement number of the needle storage assembly 3 in the needle changing sleeve 2, the arrangement number of the first permanent magnet 23 is appropriately adjusted, and the needle changing sleeve 2 is stably adsorbed on the limiting ring 4.
[0042] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, under the condition of not deviating from the spirit and scope of the utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.
Claims
1. A needle stick resistant automatic insulin pen, comprising: The utility model provides an insulin pen (1), it is characterized by: the insulin pen (1) is equipped with needle changing cover (2), a plurality of needle storage assemblies (3) are arranged in needle changing cover (2), needle (6) is clamped in needle storage assembly (3), press needle storage assembly (3) makes needle (6) with insulin pen (1) coaxial and rotates insulin pen (1), makes needle (6) screw connection insulin pen (1), after needle storage assembly (3) is loosened, needle (6) is separated from needle storage assembly (3).
2. The automatic needle-attaching and needle-retracting device according to claim 1, wherein The needle storage assembly (3) includes a shell (31) that is slidingly disposed on the needle changing cover (2), the bottom of the shell (31) is provided with an arc-shaped slot (32), two clamping plates (33) are fixedly connected in the arc-shaped slot (32), and a baffle (34) is rotatably disposed on each side of the bottom end of the shell (31). The baffle (34) is connected to the shell (31) by a torsion spring (35).
3. The automatic needle-attaching and needle-retracting device according to claim 2, wherein Limiting plates (53) are arranged at both ends of the baffle (34), the top of each limiting plate (53) is connected to the inner wall of the needle changing cover (2) by a vertical plate (51), and the limiting plates (53) are connected to the shell (31) by springs (52).
4. The automatic needle-up pen with needle stick prevention of claim 1, wherein, The needle changing cover (2) is provided with a needle hole (22), and the needle hole (22) is in communication with the inner cavity of the needle storage assembly (3).
5. The automatic needle-up pen with needle stick prevention of claim 1, wherein, The end of the insulin pen (1) is arranged with a plurality of clamping blocks (11), and the end of the needle changing cover (2) is provided with a plurality of clamping grooves (21) matched with the clamping blocks (11).
6. The automatic needle-up pen with needle stick prevention of claim 1, wherein, The outer side of the insulin pen (1) is screw-connected with a limiting ring (4), the limiting ring (4) is arranged with a plurality of second permanent magnets (41), and the side of the needle changing cover (2) close to the limiting ring (4) is arranged with a plurality of first permanent magnets (23) corresponding to the second permanent magnets (41).