Needle detacher for electric insulin injection pen
By designing an electric insulin pen needle remover, which uses a motor to drive the needle clamp to rotate and non-contact operation, the problems of inconvenient operation and needle stick injuries in the existing technology are solved, and efficient and safe needle removal is achieved. It is suitable for multiple locations and ensures the safety of nurses and patients.
Patent Information
- Application Number
- CN202422495601.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing insulin pen needle removers are inconvenient to operate, bulky, difficult to move, and pose a risk of needlestick injuries, making them unable to effectively ensure the safety of nurses and patients.
An electric insulin pen needle remover was designed, which uses a motor to drive the needle clamp to rotate. It combines contactless operation and rechargeable design to adapt to ergonomics, simplify the operation process, and reduce the risk of needlestick injuries.
It improves operational efficiency and reduces the risk of needlestick injuries. It is suitable for multiple locations, including hospitals and homes, ensuring the safety of nurses and patients. It is ergonomically designed, easy to carry, and environmentally friendly and energy-saving.
Smart Images

Figure CN223438954U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to insulin injection pen needle dismounting device technical field, specifically related to a kind of electric insulin injection pen needle dismounting device. BACKGROUND
[0002] Diabetic patients use insulin pen injection treatment, simple operation, convenient to carry, and it is widely used in clinic at present.Nurses in different occupational groups have the highest incidence of needle stick injury.Studies have shown that the high-risk links of needle stick injury are concentrated in "sleeving needle cap after injection", "throwing pen needle head without sleeving needle cap" and "collecting and disposing used needle head".The needle stick injury and other accidents caused by insulin pen needle dismounting link account for 45.9% of the needle stick injury events in endocrinology ward, which causes great damage to the personal health of nursing staff.The infection rates of hepatitis B and hepatitis C caused by insulin injection related needle stick injury are 48.9% and 12.2% respectively.In order to avoid insulin injection pen needle stick injury, reduce and solve the occupational exposure risk of insulin injection pen needle in the treatment process, insulin injection pen needle dismounting device has appeared in prior art and is applied in clinic, but the existing insulin injection pen needle dismounting device is mostly fixed or simple button type, which does not meet the characteristics of human mechanics, and there are characteristics such as too large volume, moving not change and inconvenient operation. SUMMARY
[0003] The utility model aims at overcoming the insufficient of prior art, provide a kind of electric insulin injection pen needle dismounting device.
[0004] To achieve the above object, the utility model adopts the following technical scheme:
[0005] A kind of electric insulin injection pen needle dismounting device, including shell, the one end of the shell is hand-held part, the other end of shell is dismounting head, motor is fixed in the inside of dismounting head, the output shaft of motor is fixed with needle head clamp, motor drives needle head clamp to rotate, needle head clamp is equipped with needle head fixed groove, and the bottom inlet end of needle head fixed groove is located at the bottom of dismounting head The top of dismounting head is connected with the dismounting key by spring, the bottom of dismounting key is fixed with needle head ejector, needle head ejector passes through the limiting slot of the top of dismounting head and enters the inside of dismounting head, the lower part inboard of needle head ejector is fixed with push block, the sidewall of needle head fixed groove is equipped with the guide groove along vertical direction corresponding to push block, push block is slidably connected in corresponding guide groove;Push block is driven to move downward and push needle to separate from needle head fixed groove by needle head ejector when dismounting key is pressed down.
[0006] Further, the outer side wall of the dismounting head is provided with a button for controlling the operation of the motor.
[0007] Further, the bottom entrance end of the needle fixing groove has a horn-shaped guide opening.
[0008] Further, the shell is provided with a lithium battery for powering the motor, and an interface for charging the lithium battery is arranged on the outer wall of the shell.
[0009] The above technical scheme has the beneficial effects that:
[0010] 1. The insulin pen needle disassembler is convenient to use, saves time and effort, reduces disassembly time, and improves the work efficiency of nurses.
[0011] 2. The non-contact treatment effectively avoids needle stick injuries during the sleeve connection and peeling process, and reflects the scientificity and practicality of the disassembler, which can maximize the protection of the professional safety of nurses and avoid sharp injuries.
[0012] 3. The electric insulin injection pen needle disassembler has no usage site restrictions, and after further improvement and optimization, it is also suitable for home use by diabetic patients, which not only standardizes medical waste management, but also protects the safety of patients, the environment, and public health.
[0013] 4. The rechargeable device saves energy and reduces consumption, and is convenient to carry.
[0014] 5. The overall design conforms to the operation habits of ergonomics, and the hand feeling is comfortable and not awkward. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be further described in detail in combination with the drawings and specific embodiments:
[0016] Figure 1 The utility model is a structural schematic view;
[0017] Figure 2 is Figure 1 A-A sectional view. DETAILED DESCRIPTION
[0018] As Figures 1-2 shown, the utility model discloses an electric insulin injection pen needle disassembler, which comprises a shell 1, one end of the shell 1 is a hand holding part 11, the other end of the shell 1 is a disassembly head 12, a motor 2 is fixed in the disassembly head 12, a needle clamp 3 is fixed on the output shaft of the motor 2, and the motor 2 drives the needle clamp 3 to rotate. The outer side wall of the disassembly head 12 is provided with a button 4 for controlling the work of the motor 2.
[0019] The needle holder 3 is provided with a needle fixing groove (the needle fixing groove is fixed to the needle through a conical surface), and the bottom inlet end of the needle fixing groove is located at the bottom opening of the dismounting head 12. The top of the dismounting head 12 is connected with a dismounting button 5 through a spring 10, the bottom of the dismounting button 5 is fixed with a needle ejecting piece 6, the needle ejecting piece 6 penetrates through the limiting groove at the top of the dismounting head 12 and enters the inside of the dismounting head 12, the lower inner side of the needle ejecting piece 6 is fixed with a push block 7, the sidewall of the needle fixing groove is provided with a vertical guide groove 31 corresponding to the push block 7, and the push block 7 is slidingly connected in the corresponding guide groove 31; the dismounting button 5 is pressed downwards, and the dismounting button 5 drives the push block 7 to move downwards to push the needle to separate from the needle fixing groove.
[0020] The bottom inlet end of the needle fixing groove is provided with a guide opening 32 in the shape of a trumpet mouth, so as to conveniently guide the needle into the needle fixing groove.
[0021] The shell 1 is provided with a lithium battery for supplying power to the motor 2, and the outer wall of the shell 1 is provided with an interface 8 for charging the lithium battery, and the interface 8 adopts a TEYP-C interface.
[0022] The use method of the utility model is as follows:
[0023] Step 1: align the insulin injection pen needle 9 with the needle fixing groove of the needle holder 3 and place it into the needle fixing groove;
[0024] Step 2: manually press the button 4 (the pressing time is maintained for about 2 seconds), the motor 2 is started and automatically drives the insulin injection pen needle 9 to rotate quickly, the needle is separated from the needle, and the button 4 is released.
[0025] Step 3: align the needle fixing groove with the sharps box, press the dismounting button 5, and the needle automatically falls into the sharps box. Cover the cap, and the operation is completed.
[0026] The above describes the specific embodiment of the utility model, but those skilled in the art should understand that this is only an example, and those skilled in the art can make various changes or modifications to the embodiment without departing from the principles and essence of the utility model, and these changes and modifications all fall within the protection scope of the utility model.
Claims
1. An electric insulin injection pen needle remover, comprising a housing, characterized in that: One end of the shell is a hand-held part, and the other end of the shell is a disassembly head. A motor is fixed inside the disassembly head, and a needle clamp is fixed to the output shaft of the motor. The motor drives the needle clamp to rotate. A needle fixing groove is provided on the needle clamp, and the bottom entrance end of the needle fixing groove is located at the bottom opening of the disassembly head; a disassembly button is connected to the top of the disassembly head through a spring, and a needle ejector is fixed to the bottom of the disassembly button. The needle ejector passes through the limiting groove at the top of the disassembly head and enters the interior of the disassembly head. A push block is fixed to the inner side of the lower part of the needle ejector, and a guide groove arranged vertically is provided on the side wall of the needle fixing groove corresponding to the push block, and the push block is slidably connected to the corresponding guide groove; the disassembly button is pressed down, and the disassembly button drives the push block to move downward through the needle ejector to push the needle out of the needle fixing groove.
2. The electric insulin injection pen needle remover according to claim 1, characterized in that: The outer side wall of the disassembly head is provided with a button for controlling the operation of the motor.
3. The electric insulin injection pen needle remover according to claim 1, characterized in that: The bottom entrance end of the needle fixing groove is provided with a guide opening in a trumpet shape.
4. The electric insulin injection pen needle remover according to claim 1, characterized in that: The shell is provided with a lithium battery for supplying power to the motor, and an interface for charging the lithium battery is provided on the outer wall of the shell.