A device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen and a disassembly method thereof

Abstract

The present invention discloses a device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen and a disassembly method thereof, belonging to the technical field of medical devices. It includes an injection pen, and the injection pen is an intelligent hypoglycemic drug injection pen, and a hypoglycemic drug injection pen cap. An aseptic disassembly device for disassembling the needle of the intelligent hypoglycemic drug injection pen is provided inside the intelligent hypoglycemic drug injection pen cap. An aseptic disinfection device for disinfecting the tip of the intelligent hypoglycemic drug injection pen and the injection site required by the human body is also provided inside the intelligent hypoglycemic drug injection pen cap. This device can uniformly and comprehensively disinfect the tip of the drug injection pen under aseptic conditions, and can, under aseptic conditions, remove the needle from the tip of the drug injection pen, avoiding the risk of the needle stabbing people during disassembly and causing bacterial infection. At the same time, it can also disinfect the injection site required by the patient, realizing the integrated design of the injection pen, the needle disassembly device, the disinfection tool and the injection pen cap.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen and a disassembly method thereof. Background Art

[0002] Insulin pens and insulin needles are common medical supplies used in combination clinically at present. According to statistics, the number of patients in China who need to inject insulin to control blood sugar is increasing year by year.

[0003] When performing insulin injection, it is necessary to first store insulin in the pen refill built into the insulin pen and install the needle at the front end of the insulin pen. After the insulin injection is completed, it is necessary to disassemble the disposable needle from the insulin pen. The insulin pen and the needle are connected by a thread. At present, the rotation disassembly is mainly achieved by holding the needle by hand, that is, by clamping the needle with the thumb and index finger and rotating the needle to separate the needle from the insulin pen. Therefore, the usage quantities of insulin injection pens and needles in major hospitals are also increasing year by year.

[0004] At present, there is no convenient and available insulin needle remover clinically. Whether in the hospital or after discharge, there is a certain risk of needle stick injury every time the insulin needle is removed after insulin injection. After the insulin pen injection is completed, according to the requirements, the insulin pen needle needs to be removed. Since the injection needle is short, thin and sharp, the existing conventional method is to put the outer needle cap over the needle, push the outer needle cap inward to drive the needle, and rotate the outer needle cap to drive the needle to rotate to disassemble the needle. However, such an operation is extremely likely to cause needle stick injury and increase the chance of occupational exposure. Patients who need insulin injection outside the hospital also have such a risk. Therefore, the present device provides a device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen and a disassembly method thereof. Summary of the Invention

[0005] Embodiments of the present invention provide a device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen and a disassembly method thereof to solve the above-mentioned technical problems.

[0006] Embodiments of the present invention adopt the following technical solutions: including an injection pen, and the injection pen is an intelligent hypoglycemic drug injection pen with functions of dose quantification, time recording and alarm reminder. It is characterized in that it further includes a hypoglycemic drug injection pen cap, the injection pen cap is adaptively arranged with the intelligent hypoglycemic drug injection pen, and a sterile disassembly device for disassembling the needle of the intelligent hypoglycemic drug injection pen is arranged inside the intelligent hypoglycemic drug injection pen cap, and a sterile disinfection device for disinfecting the pen tip of the intelligent hypoglycemic drug injection pen and the injection site required by the human body is also arranged inside the intelligent hypoglycemic drug injection pen cap.

[0007] Furthermore, the hypoglycemic drug injection pen cap includes an injection pen cap, a disassembly sleeve, and a disinfection sleeve. The injection pen cap is used to be sleeved on the intelligent hypoglycemic drug injection pen. The disassembly sleeve is divided into an upper disassembly sleeve and a lower disassembly sleeve. The lower disassembly sleeve is threadedly connected to the injection pen cap. The lower disassembly sleeve is threadedly connected to the upper disassembly sleeve. The disinfection sleeve is threadedly connected to the upper end of the disassembly sleeve. The aseptic disassembly device is located inside the disassembly sleeve, and the aseptic disinfection device is arranged inside the disinfection sleeve.

[0008] Furthermore, the aseptic disassembly device includes a disassembly disc, disassembly blocks, first springs, and pressing members. The disassembly disc is located inside the disassembly sleeve. Two grooves are symmetrically arranged on the disassembly disc. There are two first springs, and the two first springs are respectively located in the corresponding grooves and one end of each is connected to the inner side wall of the corresponding groove. There are two pressing members, and the two pressing members are respectively arranged at the other ends of the corresponding first springs and are located in the corresponding grooves. There are two disassembly blocks, and the upper ends of the two disassembly blocks are respectively connected to the lower ends of the corresponding pressing members.

[0009] Furthermore, anti-slip threads are arranged on the inner sides of the two disassembly blocks, and the anti-slip threads are tooth-shaped.

[0010] Furthermore, two convex blocks are symmetrically arranged at the outer end of the disassembly disc. Two arc-shaped grooves are arranged inside the lower disassembly sleeve, and the two arc-shaped grooves are both inclined downward. Second springs extending upward to the top are arranged at the bottoms of the two arc-shaped grooves. The two convex blocks are located at the tops of the corresponding arc-shaped grooves and are connected to the upper ends of the corresponding second springs.

[0011] Furthermore, the aseptic disinfection device includes a liquid disinfection spray mechanism, a pen tip disinfection mechanism, and a human body disinfection mechanism. The liquid disinfection spray mechanism can be an iodophor disinfection sprayer or an alcohol disinfection sprayer. The pen tip disinfection mechanism is arranged inside the disinfection sleeve. The human body disinfection mechanism is arranged on the pen tip disinfection mechanism. The nozzle of the liquid disinfection spray mechanism faces downward, and there are two spray ports, and the two spray ports are symmetrically arranged.

[0012] Further, the pen tip disinfection mechanism includes a disinfection rack, disinfection rods, a disinfection tray, a first disinfection tube, a disinfection chamber, and a spray tube. The outer side of the disinfection tray is provided with an external thread, and the inner side wall of the upper disassembly sleeve is provided with an internal thread adapted to the external thread on the disinfection tray and the two are threadedly connected. A plurality of disinfection rods are provided, and the plurality of disinfection rods are distributed in a square shape. The lower ends of the plurality of disinfection rods are respectively located at the upper end of the disassembly tray. The plurality of disinfection rods are all in sliding fit with the disinfection tray up and down. The disinfection rack is arranged at the upper ends of the plurality of disinfection rods. The first disinfection tube is arranged in a U shape, and the two ends of the first disinfection tube are respectively connected to the corresponding spray ports on the liquid disinfection spray mechanism. The disinfection chamber is arranged in the middle of the corresponding disinfection tube and is communicated. The inner sides of the lower ends of the two disassembly blocks are both provided with first spray heads inclined inward and downward. The two first spray heads are symmetrically located on both sides above the pen tip of the hypoglycemic drug injection pen. Two spray tubes are provided. The first ends of the two spray tubes are connected to the disinfection chamber and are communicated. The two spray tubes are telescopic hoses. Two limiting grooves are symmetrically arranged on the disinfection tray. The middle and lower parts of the two spray tubes respectively pass through the corresponding limiting grooves, corresponding pressing members, and corresponding disassembly blocks, and the lower ends of the two spray tubes are communicated with the corresponding first spray heads. The pressing spray head of the liquid disinfection spray mechanism abuts against the upper end of the disinfection tray. The disinfection rack is provided with a card slot and the inner part of the card slot is provided with an internal thread. The outer side of the liquid disinfection spray mechanism is provided with an external thread adapted to the internal thread inside the card slot.

[0013] Further, the human body disinfection mechanism includes a second disinfection tube and a second spray head. The second disinfection tube is communicated with the disinfection chamber. A control valve is arranged on the disinfection chamber, and the control valve can control the communication and sealing between the disinfection tube and the disinfection chamber and can also control the communication and sealing between the disinfection chamber and the two spray tubes. The second spray head is communicated with the second disinfection tube. The second disinfection tube is a stretchable and bendable pipe.

[0014] A device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen and its disassembly method include the following steps:

[0015] S1: When the drug injection is completed and the disposable needle needs to be disassembled and discarded, the injection pen cap is sleeved on the injection pen, and then the disinfection sleeve and the upper disassembly sleeve are rotated and removed. At this time, the two pressing members are in an exposed state outside.

[0016] S2: Next, lay the injection pen flat. Hold the injection pen with the left hand, and pinch and push two pressing members towards the injection pen with the right thumb and middle finger. During the pushing process, the disinfection tray moves downward and rotates half a circle, and the two disassembly blocks also move downward and rotate half a circle synchronously. At this time, the two hands of the person form a state similar to twisting a twister and twist in opposite directions. The two disassembly blocks are exactly on both sides of the needle of the injection pen and are in a symmetrical state.

[0017] S3: Then, press the two pressing members inward with the right thumb and middle finger of the person, so that the two pressing members move symmetrically inward, and the two disassembly blocks also move symmetrically inward synchronously, that is, move towards the direction of the needle until the needle is clamped. At this time, the two second springs are in a state of cooperative compression.

[0018] S4: At this time, hold the injection pen with the left hand and hold the two pressing members with the right hand and rotate symmetrically inward. After the needle is loosened, slowly rotate the injection pen with the left hand to separate the needle from the injection pen. After the needle is separated, it will be located inside the injection pen cap. At this time, the injection pen cap can be flipped so that the opening of the injection pen cap faces downward and the needle falls out by gravity, thus completing the one-time needle disassembly operation. During the entire needle disassembly process, the person does not need to contact the needle, avoiding the risk of the needle stabbing the person and causing bacterial infection during disassembly.

[0019] The above at least one technical solution adopted in the embodiment of the present invention can achieve the following beneficial effects:

[0020] First, when a patient uses a hypoglycemic drug injection pen to inject drugs for himself, it is first necessary to disinfect the tip of the injection pen. At this time, remove the disinfection sleeve from the disassembly sleeve in a rotating manner, so that the liquid disinfection spray mechanism is exposed outside at this time. Then, press the bottle body of the liquid disinfection spray mechanism downward, so that the disinfectant liquid inside the bottle body is discharged into the first disinfection tube through the two spray ports on the spray head of the liquid disinfection spray mechanism, and then flows into the disinfection cavity. At this time, the second disinfection tube and the disinfection cavity are in a sealed state, and the disinfection cavity and the two spray tubes are in a communicating state. Then, it flows into the two spray tubes through the disinfection cavity and is communicated with the corresponding first spray heads through the two spray tubes. Finally, it is discharged and sprayed onto the tip of the injection pen through the two first spray heads, thereby realizing spraying disinfectant liquid on the tip of the injection pen to disinfect the tip of the injection pen for subsequent sterile drug injection.

[0021] Second, while pressing down on the bottle body of the liquid disinfection spray mechanism, it will drive the disinfection tray to move downward synchronously. The movement of the disinfection tray will also drive several disinfection rods to move downward. At the same time, the lower ends of several disinfection rods will resist the downward movement of the disassembly tray. The downward movement of the disassembly tray will drive two bumps symmetrically arranged at the outer end of the disassembly tray to move downward in the corresponding arc grooves inside the disassembly sleeve. And through the corresponding arc grooves, the disassembly tray will rotate while moving downward. And the downward movement distance of the disassembly tray will exactly make the disassembly tray rotate half a circle. The rotation of the disassembly tray by half a circle will also drive the two disassembly blocks to rotate half a circle. And during this process, the two second springs are in a cooperative state, so it will drive the corresponding first spray heads to rotate half a circle. Thus, while spraying the disinfectant through the two first spray heads, it is in a downward movement and a rotating state. So that the disinfectant sprayed by the two first spray heads will evenly and comprehensively cover the tip of the injection pen, achieving the effect of evenly and comprehensively disinfecting the tip of the injection pen in a sterile state.

[0022] Third, after the tip of the injection pen is evenly and comprehensively disinfected, when it is necessary to disinfect the injection site required by the patient, by adjusting the control valve on the disinfection chamber, the second disinfection tube and the disinfection chamber are in a connected state at this time, while the disinfection chamber and the two spray tubes are in a sealed state. Then, aim the second disinfection nozzle at the position where the patient needs to be disinfected and press the bottle body of the liquid disinfection spray mechanism, and the disinfectant can be sprayed out from the bottle body through the second spray head and sprayed onto the position where the patient's body needs to be disinfected. At this time, the disinfection operation of the injection site required by the patient is completed.

[0023] Fourthly, when the drug injection is completed and the disposable needle needs to be removed and discarded, put the injection pen cap on the injection pen, then rotate and remove the disinfection sleeve and the upper removal sleeve. At this time, the two pressing parts are in an exposed state. Then, lay the injection pen flat, hold the injection pen with the left hand, and hold the two pressing parts with the right thumb and middle finger and push them forcefully in the direction of the injection pen. During the pushing process, the disinfection tray moves downward and rotates half a circle, and the two removal blocks also move downward and rotate half a circle synchronously. At this time, the two hands of the person form a state similar to twisting a twist and twist in opposite directions. The two removal blocks are exactly on both sides of the needle of the injection pen and are in a symmetrical state. Then, press the two pressing parts inward with the right thumb and middle finger of the person, so that the two pressing parts move symmetrically inward, and the two removal blocks also move symmetrically inward synchronously, that is, move in the direction of the needle until the needle is clamped. At this time, the two second springs are in a state of cooperative compression. Then, hold the injection pen with the left hand and hold the two pressing parts with the right hand and rotate symmetrically inward, so that after the needle is loosened, slowly rotate the injection pen with the left hand to separate the needle from the injection pen. After the needle is separated, it will be located inside the injection pen cap. At this time, the injection pen cap can be flipped so that the opening of the injection pen cap faces downward and the needle falls out by gravity, then the disposable needle removal operation is completed. During the whole needle removal process, the person does not need to contact the needle, avoiding the risk of the needle stabbing the person and causing bacterial infection during removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present invention and form a part of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0025] Figure 1 is a schematic structural diagram of the first state of the injection pen and the hypoglycemic drug injection pen cap in the present invention;

[0026] Figure 2 is a three-dimensional structural diagram of the hypoglycemic drug injection pen cap in the present invention;

[0027] Figure 3 is a sectional structural diagram of the hypoglycemic drug injection pen cap in the present invention;

[0028] Figure 4 is Figure 3 the enlarged view at A in

[0029] Figure 5 is a schematic structural diagram of the second state of the injection pen and the hypoglycemic drug injection pen cap in the present invention;

[0030] Figure 6 is Figure 5 the enlarged view at B in

[0031] Figure 7 This is a schematic three-dimensional structure diagram of the aseptic disassembly device and the aseptic disinfection device in the present invention;

[0032] Figure 8 This is an exploded structure diagram of the aseptic disassembly device and the lower disassembly sleeve in the present invention;

[0033] Figure 9 This is a schematic three-dimensional structure diagram of the aseptic disassembly device in the present invention;

[0034] Figure 10 This is an exploded structure diagram of the aseptic disassembly device and the aseptic disinfection device in the present invention;

[0035] Figure 11 This is an exploded structure diagram of the aseptic disinfection device in the present invention;

[0036] Figure 12 This is a schematic three-dimensional structure diagram of the aseptic disinfection device in the present invention;

[0037] Figure 13 This is a schematic three-dimensional structure diagram of the pen tip disinfection mechanism and the human body disinfection mechanism in the present invention.

[0038] Reference numerals

[0039] Injection pen 1, hypoglycemic drug injection pen cap 2, injection pen cap 21, disassembly sleeve 22, upper disassembly sleeve 221, lower disassembly sleeve 222, arc groove 223, disinfection sleeve 23, aseptic disassembly device 3, disassembly disc 31, groove 311, convex block 312, second spring 313, disassembly block 32, first spray head 33, first spring 34, pressing member 35, aseptic disinfection device 4, liquid disinfection spray mechanism 41, pen tip disinfection mechanism 42, disinfection rack 421, disinfection rod 422, disinfection disc 423, first disinfection tube 424, disinfection cavity 425, spray tube 426, card slot 427, limit groove 428, human body disinfection mechanism 43, second disinfection tube 431, second spray head 432, control valve 433. Detailed implementation manners

[0040] To make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the specific embodiments and corresponding drawings of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0041] The following will, with reference to the drawings, elaborate on the technical solutions provided by each embodiment of the present invention.

[0042] An embodiment of the present invention provides a device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen and a disassembly method thereof, including an injection pen 1, and the injection pen 1 is an intelligent hypoglycemic drug injection pen 1 with functions of dose quantification, time recording, and alarm reminder. It also includes a hypoglycemic drug injection pen cap 2. The injection pen cap 21 is adapted to the intelligent hypoglycemic drug injection pen 1. An aseptic disassembly device 3 for disassembling the needle of the intelligent hypoglycemic drug injection pen 1 is provided inside the intelligent hypoglycemic drug injection pen cap 2. An aseptic disinfection device 4 for disinfecting the tip of the intelligent hypoglycemic drug injection pen 1 and the injection site required by the human body is also provided inside the intelligent hypoglycemic drug injection pen cap 2;

[0043] This device can uniformly and comprehensively disinfect the tip of the drug injection pen 1 under aseptic conditions, and can remove the needle from the tip of the drug injection pen 1 under aseptic conditions, avoiding the risk of stabbing personnel and causing bacterial infection when the needle is disassembled. At the same time, it can also disinfect the injection site required by the patient, realizing the integrated design of the injection pen 1, the needle disassembly device, the disinfection tool, and the injection pen cap 21.

[0044] This device, with the injection pen 1, the aseptic disassembly device 3, the aseptic disinfection device 4, and the pen cap integrated, is convenient to carry, use at any time, has simple operation and multiple functions, and does not require carrying auxiliary disassembly equipment and disinfection tools. Currently, the disassembly equipment and disinfection tools need to be carried separately. If forgotten to be carried when going out, it will affect the injection treatment of patients and easily cause bacterial infection and stabbing of personnel;

[0045] Since the injection pen cap 21 needs to be removed and installed back and forth, bacteria are likely to enter inside, affecting the injection treatment effect. This device can also disinfect the inside of the injection pen cap 21, and its disinfection principle is the same as that of the tip disinfection;

[0046] The intelligent hypoglycemic drug injection pen 1 of this device has functions of dose quantification, time recording, and alarm reminder, and can perform quantitative drug injection, injection time recording, next injection time reminder function, self-set injection reminder time, and drug residue alarm function to prevent patients from missing injections, injecting the wrong dose, or having insufficient drug dose, reducing or avoiding hypoglycemia, and thus ensuring the health of patients.

[0047] Preferably, the hypoglycemic drug injection pen cap 2 includes an injection pen cap 21, a disassembly sleeve 22, and a disinfection sleeve 23. The injection pen cap 21 is used to be sleeved on the intelligent hypoglycemic drug injection pen 1. The disassembly sleeve 22 is divided into an upper disassembly sleeve 221 and a lower disassembly sleeve 222. The lower disassembly sleeve 222 is threadedly connected to the injection pen cap 21, and the lower disassembly sleeve 222 is threadedly connected to the upper disassembly sleeve 221. The disinfection sleeve 23 is threadedly connected to the upper end of the disassembly sleeve 22. The sterile disassembly device 3 is located inside the disassembly sleeve 22, and the sterile disinfection device 4 is arranged inside the disinfection sleeve 23;

[0048] By providing the injection pen cap 21, the disassembly sleeve 22, and the disinfection sleeve 23, the device can facilitate aseptic operation and can also be disassembled for subsequent cleaning and disinfection of components.

[0049] Preferably, the sterile disassembly device 3 includes a disassembly disc 31, disassembly blocks 32, first springs 34, and pressing members 35. The disassembly disc 31 is located inside the disassembly sleeve 22. Two grooves 311 are symmetrically provided on the disassembly disc 31. There are two first springs 34. The two first springs 34 are respectively located in the corresponding grooves 311 and one ends are respectively connected to the inner side walls of the corresponding grooves 311. There are two pressing members 35. The two pressing members 35 are respectively arranged at the other ends of the corresponding first springs 34 and are located in the corresponding grooves 311. There are two disassembly blocks 32. The upper ends of the two disassembly blocks 32 are respectively connected to the lower ends of the corresponding pressing members 35;

[0050] After pressing the two pressing members 35, the two pressing members 35 will move symmetrically inward, thereby driving the two disassembly blocks 32 to move symmetrically inward to clamp the needle, and after limiting the position of the needle, it is rotated and removed. The two first springs 34 are always in a cooperative state.

[0051] Preferably, anti-slip threads are provided on the inner sides of the two disassembly blocks 32 and the anti-slip threads are tooth-shaped;

[0052] By providing anti-slip threads on the inner sides of the two disassembly blocks 32 and the anti-slip threads being tooth-shaped, the needle can be clamped more firmly and then rotated and disassembled.

[0053] Preferably, two convex blocks 312 are symmetrically provided at the outer end of the disassembly disc 31. Two arc-shaped grooves 223 are provided inside the lower disassembly sleeve 222 and the two arc-shaped grooves 223 are both inclined downward. Second springs 313 extending upward to the top are provided at the bottoms of the two arc-shaped grooves 223. The two convex blocks 312 are located at the tops of the corresponding arc-shaped grooves 223 and are connected to the upper ends of the corresponding second springs 313;

[0054] When the two bumps 312 move downward in the corresponding arc-shaped grooves 223, they will drive the disassembly disc 31 to move downward while forming a rotation. And according to the distance of the downward movement, the corresponding arc-shaped groove 223 can allow the disassembly disc 31 to rotate half a circle, so as to drive the disinfectant sprayed by the first spray heads 33 on the two disassembly blocks 32 to be uniform and in front.

[0055] Preferably, the sterile disinfection device 4 includes a liquid disinfection spraying mechanism 41, a pen tip disinfection mechanism 42 and a human body disinfection mechanism 43. The liquid disinfection spraying mechanism 41 can be an iodophor disinfection sprayer or an alcohol disinfection sprayer. The pen tip disinfection mechanism 42 is arranged inside the disinfection sleeve 23. The human body disinfection mechanism 43 is arranged on the pen tip disinfection mechanism 42. The nozzle of the liquid disinfection spraying mechanism 41 is arranged downward and there are two spraying ports, and the two spraying ports are symmetrically arranged;

[0056] By pressing the liquid disinfection spraying mechanism 41, the required disinfectant can be sprayed out to spray and disinfect the required product or human body part.

[0057] Preferably, the pen tip disinfection mechanism 42 includes a disinfection rack 421, a disinfection rod 422, a disinfection tray 423, a first disinfection tube 424, a disinfection chamber 425, and a spray tube 426. An external thread is provided on the outer side of the disinfection tray 423, and an internal thread adapted to the external thread on the disinfection tray 423 is provided on the inner side wall of the upper detachable sleeve 221, and the two are threadedly connected. A plurality of disinfection rods 422 are provided, and the plurality of disinfection rods 422 are distributed in a square. The lower ends of the plurality of disinfection rods 422 are respectively located at the upper end of the disassembly tray 31. The plurality of disinfection rods 422 are all in vertical sliding fit with the disinfection tray 423. The disinfection rack 421 is arranged at the upper ends of the plurality of disinfection rods 422. The first disinfection tube 424 is arranged in a U shape, and the two ends of the first disinfection tube 424 are respectively connected to the corresponding spray ports on the liquid disinfection spray mechanism 41. The disinfection chamber 425 is arranged in the middle of the corresponding disinfection tube and is in a communicating setting. The inner sides of the lower ends of the two disassembly blocks 32 are both provided with first spray heads 33 that are inclined inward and downward. The two first spray heads 33 are symmetrically located on both sides above the pen tip of the hypoglycemic drug injection pen 1. Two spray tubes 426 are provided. The first ends of the two spray tubes 426 are connected to the disinfection chamber 425 and are in a communicating setting. The two spray tubes 426 are telescopic hoses. Two limiting grooves 428 are symmetrically provided on the disinfection tray 423. The middle and lower parts of the two spray tubes 426 pass through the corresponding limiting grooves 428, the corresponding pressing members 35, and the corresponding disassembly blocks 32 respectively, and the lower ends of the two spray tubes 426 are communicated with the corresponding first spray heads 33. The pressing spray head of the liquid disinfection spray mechanism 41 abuts against the upper end of the disinfection tray 423. A clamping groove 427 is provided on the disinfection rack 421, and an internal thread is provided inside the clamping groove 427. An external thread adapted to the internal thread inside the clamping groove 427 is provided on the outer side of the liquid disinfection spray mechanism 41.

[0058] Preferably, the human body disinfection mechanism 43 includes a second disinfection tube 431 and a second spray head 432. The second disinfection tube 431 is in a communicating setting with the disinfection chamber 425. A control valve 433 is provided on the disinfection chamber 425, and the control valve 433 can control the communication and sealing between the disinfection tube and the disinfection chamber 425 and can also control the communication and sealing between the disinfection chamber 425 and the two spray tubes 426. The second spray head 432 is in a communicating setting with the second disinfection tube 431. The second disinfection tube 431 is a stretchable and bendable pipe.

[0059] When adjusting the control valve 433, if the second disinfection tube 431 is in communication with the disinfection chamber 425, the disinfection chamber 425 and the two spray tubes 426 are sealed. If the second disinfection tube 431 is sealed with the disinfection chamber 425, the disinfection chamber 425 and the two spray tubes 426 are in communication.

[0060] When a patient uses the hypoglycemic drug injection pen 1 to inject drugs for himself, first, the tip of the injection pen 1 needs to be disinfected. At this time, the disinfection sleeve 23 is removed from the disassembly sleeve 22 in a rotating manner, so that the liquid disinfection spray mechanism 41 is exposed to the outside at this time. Then, the bottle body of the liquid disinfection spray mechanism 41 is pressed downward, so that the disinfectant liquid inside the bottle body is discharged into the first disinfection tube 424 through the two spray ports on the spray head of the liquid disinfection spray mechanism 41, and then flows into the disinfection chamber 425. At this time, the second disinfection tube 431 and the disinfection chamber 425 are in a sealed state, and the disinfection chamber 425 and the two spray tubes 426 are in a communicating state. Then, it flows into the two spray tubes 426 through the disinfection chamber 425, and is communicated with the corresponding first spray heads 33 through the two spray tubes 426. Finally, it is discharged through the two first spray heads 33 and sprayed onto the tip of the injection pen 1, thus realizing spraying the disinfectant liquid on the tip of the injection pen 1 to disinfect the tip of the injection pen 1, so as to facilitate subsequent sterile drug injection;

[0061] When the bottle body of the liquid disinfection spray mechanism 41 is pressed downward, it will drive the disinfection disc 423 to move downward synchronously. The movement of the disinfection disc 423 will also drive several disinfection rods 422 to move downward. At the same time, the lower ends of the several disinfection rods 422 will abut against the disassembly disc 31 and move downward. The downward movement of the disassembly disc 31 will drive the two convex blocks 312 symmetrically arranged at the outer end of the disassembly disc 31 to move downward in the corresponding arc grooves 223 inside the disassembly sleeve 22, and through the corresponding arc grooves 223, the disassembly disc 31 will rotate while moving downward, and the downward movement distance of the disassembly disc 31 will exactly make the disassembly disc 31 rotate half a circle. The rotation of the disassembly disc 31 by half a circle will also drive the two disassembly blocks 32 to rotate half a circle. During this process, the two second springs 313 are in a cooperative state, so it will drive the corresponding first spray heads 33 to rotate half a circle. Therefore, while spraying the disinfectant liquid through the two first spray heads 33, it is in a downward movement and a rotating state, so that the disinfectant liquid sprayed by the two first spray heads 33 will evenly and comprehensively cover the tip of the injection pen 1, realizing a uniform and comprehensive disinfection effect on the tip of the injection pen 1 in a sterile state. After pressing the bottle body of the liquid disinfection spray mechanism 41 downward to spray out the disinfectant liquid, the bottle body returns to its original position, and the disassembly disc 31 moves back to its original position through the resilience of the two second springs 313, which is convenient for subsequent recycling;

[0062] After the tip of the injection pen 1 has been evenly and thoroughly disinfected, when it is necessary to disinfect the injection site required by the patient, by adjusting the control valve 433 on the disinfection chamber 425, the second disinfection tube 431 is in communication with the disinfection chamber 425 at this time, while the disinfection chamber 425 and the two spray tubes 426 are in a sealed state. Then, align the second spray head 432 with the position on the patient that needs to be disinfected, and press the bottle body of the liquid disinfection spraying mechanism 41, and the disinfectant can be sprayed out from the bottle body through the second spray head 432 and sprayed onto the position on the patient's body that needs to be disinfected. At this time, the disinfection operation of the injection site required by the patient is completed;

[0063] After the disinfection of the injection site required by the patient is completed, install the matching needle onto the tip of the injection pen 1, and let the patient quantify the required drug by himself, and then inject the drug into the required position of the patient;

[0064] After the needle is removed, if a person wants to disinfect the tip of the injection pen 1 again, he can refer to the above-mentioned disinfection process of the tip of the injection pen 1 to complete the re-disinfection of the tip of the injection pen 1. Then, put the injection pen cap 21 on the injection pen 1, and rotate and install the upper disassembly sleeve 221 and the disinfection sleeve 23, and place them in the required storage bag;

[0065] After the disinfectant in the bottle body of the liquid disinfection spraying mechanism 41 is used up, the opening of the injection pen cap 21 can be facing upwards, rotate and remove the disinfection sleeve 23, and then rotate and remove the bottle body. After adding disinfectant to the bottle body and installing it back to the original position, it can be recycled and reused.

[0066] A device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen and its disassembly method, including the following steps:

[0067] S1: When the drug injection is completed and it is necessary to disassemble and discard the disposable needle, put the injection pen cap 21 on the injection pen 1, then rotate and remove the disinfection sleeve 23 and rotate and remove the upper disassembly sleeve 221. At this time, the two pressing members 35 are in an exposed state outside;

[0068] S2: Then, lay the injection pen 1 flat, hold the injection pen 1 with the left hand, and hold the two pressing members 35 with the right thumb and middle finger and push them forcefully in the direction of the injection pen 1. During the pushing process, the disinfection disc 423 moves downward and rotates half a turn, and the two disassembly blocks 32 also move downward and rotate half a turn synchronously. At this time, the two hands of the person form a state similar to twisting a twist and twist in the opposite direction. The two disassembly blocks 32 are exactly on both sides of the needle of the injection pen 1 and are in a symmetrical state;

[0069] S3: Then, the right thumb and middle finger of the operator press the two pressing members 35 inward, causing the two pressing members 35 to move symmetrically inward. At the same time, the two disassembly blocks 32 also move symmetrically inward, that is, move towards the direction of the needle until the needle is clamped. At this time, the two second springs 313 are in a state of cooperative compression.

[0070] S4: At this time, the operator holds the injection pen 1 with the left hand and holds the two pressing members 35 with the right hand, and rotates them symmetrically inward. After the needle is loosened, the injection pen 1 is slowly rotated with the left hand to separate the needle from the injection pen 1. After the needle is separated, it will be located inside the injection pen cap 21. At this time, the injection pen cap 21 can be flipped so that the opening of the injection pen cap 21 faces downward, and the needle falls out by gravity, thus completing the one-time needle disassembly operation. During the entire needle disassembly process, the operator does not need to contact the needle, avoiding the risk of the needle stabbing the operator and causing bacterial infection during disassembly.

[0071] The above are only the embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen, comprising an injection pen (1), and the injection pen (1) is an intelligent hypoglycemic drug injection pen (1) with functions of dose quantification, time recording, and alarm reminder. It is characterized in that, It further includes a hypoglycemic drug injection pen cap (2), which is adaptively set with the intelligent hypoglycemic drug injection pen (1). An aseptic disassembly device (3) for disassembling the needle of the intelligent hypoglycemic drug injection pen (1) is provided inside the hypoglycemic drug injection pen cap (2). An aseptic disinfection device (4) for disinfecting the pen tip of the intelligent hypoglycemic drug injection pen (1) and the injection site required by the human body is also provided inside the hypoglycemic drug injection pen cap (2).The hypoglycemic drug injection pen cap (2) includes an injection pen cap (21), a disassembly sleeve (22) and a disinfection sleeve (23). The disassembly sleeve (22) is divided into an upper disassembly sleeve (221) and a lower disassembly sleeve (222). The sterile disassembly device (3) includes a disassembly disc (31), a disassembly block (32), a first spring (34) and a pressing member (35). The sterile disinfection device (4) includes a liquid disinfection spray mechanism (41), a pen tip disinfection mechanism (42) and a human body disinfection mechanism (43). There are two disassembly blocks (32), and the upper ends of the two disassembly blocks (32) are respectively connected to the lower ends of the corresponding pressing members (35). The pen tip disinfection mechanism (42) includes a disinfection rack (421), a disinfection rod (422), a disinfection disc (423), a first disinfection tube (424), a disinfection cavity (425) and a spray tube (426). The outer side of the disinfection disc (423) is provided with an external thread, and the inner side wall of the upper disassembly sleeve (221) is provided with an internal thread adapted to the external thread on the disinfection disc (423) and the two are threadedly connected. A number of disinfection rods (422) are provided, and the number of disinfection rods (422) are distributed in a square. The lower ends of the number of disinfection rods (422) are located on the upper end of the disassembly disc (31), and the number of disinfection rods (422) are all in up and down sliding fit with the disinfection disc (423). The disinfection rack (421) is arranged at the upper ends of the number of disinfection rods (422). The first disinfection tube (424) is U-shaped, and the two ends of the first disinfection tube (424) are respectively connected to the corresponding spray ports on the liquid disinfection spray mechanism (41). The disinfection cavity (425) is arranged in the middle of the corresponding disinfection tube and is in communication. The inner sides of the lower ends of the two disassembly blocks (32) are both provided with first spray heads (33) that are inclined inwards and downwards. The two first spray heads (33) are symmetrically located on both sides above the pen tip of the hypoglycemic drug injection pen (1). There are two spray tubes (426), and the first ends of the two spray tubes (426) are connected to the disinfection cavity (425) and are in communication. The two spray tubes (426) are telescopic hoses. Two limiting grooves (428) are symmetrically arranged on the disinfection disc (423). The middle and lower parts of the two spray tubes (426) pass through the corresponding limiting grooves (428), the corresponding pressing members (35) and the corresponding disassembly blocks (32), and the lower ends of the two spray tubes (426) are communicated with the corresponding first spray heads (33). The pressing spray head of the liquid disinfection spray mechanism (41) abuts against the upper end of the disinfection disc (423). The disinfection rack (421) is provided with a clamping groove (427) and the inside of the clamping groove (427) is provided with an internal thread. The outer side of the liquid disinfection spray mechanism (41) is provided with an external thread adapted to the internal thread inside the clamping groove (427).

2. The device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen according to claim 1, characterized in that, The injection pen cap (21) is used to be sleeved on the intelligent hypoglycemic drug injection pen (1). The lower disassembly sleeve (222) is threadedly connected to the injection pen cap (21). The lower disassembly sleeve (222) is threadedly connected to the upper disassembly sleeve (221). The disinfection sleeve (23) is threadedly connected to the upper end of the disassembly sleeve (22). The sterile disassembly device (3) is located inside the disassembly sleeve (22). The sterile disinfection device (4) is arranged inside the disinfection sleeve (23).

3. The device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen according to claim 2, characterized in that, The disassembly disc (31) is located inside the disassembly sleeve (22). Two grooves (311) are symmetrically arranged on the disassembly disc (31). There are two first springs (34). The two first springs (34) are respectively located in the corresponding grooves (311) and one ends of them are respectively connected to the inner side walls of the corresponding grooves (311). There are two pressing members (35). The two pressing members (35) are respectively arranged at the other ends of the corresponding first springs (34) and are located in the corresponding grooves (311).

4. The device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen according to claim 3, characterized in that, Anti-slip threads are arranged on the inner sides of the two disassembly blocks (32), and the anti-slip threads are in the shape of teeth.

5. The device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen according to claim 3, characterized in that, Two protrusions (312) are symmetrically arranged at the outer end of the disassembly disc (31). Two arc-shaped grooves (223) are arranged inside the lower disassembly sleeve (222), and the two arc-shaped grooves (223) are both arranged obliquely downward. Second springs (313) extending upward to the top are arranged at the bottoms of the two arc-shaped grooves (223). The two protrusions (312) are located at the tops of the corresponding arc-shaped grooves (223) and are connected to the upper ends of the corresponding second springs (313).

6. The device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen according to claim 2, characterized in that, The liquid disinfection spray mechanism (41) can be an iodophor disinfection sprayer or an alcohol disinfection sprayer. The pen tip disinfection mechanism (42) is arranged inside the disinfection sleeve (23). The human body disinfection mechanism (43) is arranged on the pen tip disinfection mechanism (42). The nozzle of the liquid disinfection spray mechanism (41) faces downward and there are two spray ports, and the two spray ports are symmetrically arranged.

7. The device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen according to claim 1, characterized in that, The human body disinfection mechanism (43) includes a second disinfection tube (431) and a second spray head (432). The second disinfection tube (431) is communicated with the disinfection chamber (425). A control valve (433) is arranged on the disinfection chamber (425), and the control valve (433) can control the communication and sealing between the disinfection tube and the disinfection chamber (425) and can also control the communication and sealing between the disinfection chamber (425) and the two spray tubes (426). The second spray head (432) is communicated with the second disinfection tube (431). The second disinfection tube (431) is a stretchable and bendable pipe.

8. The device for facilitating the disassembly of the needle of a hypoglycemic drug injection pen according to any one of claims 1-7, characterized in that, The disassembly method includes the following steps: S1: When the drug injection is completed and the disposable needle needs to be disassembled and discarded, the injection pen cap (21) is sleeved on the injection pen (1), and then the disinfection sleeve (23) is rotated off and the upper disassembly sleeve (221) is rotated off. At this time, the two pressing members (35) are in an exposed state. S2: Next, the injection pen (1) is laid flat, the injection pen (1) is held by the left hand, the two pressing pieces (35) are held by the thumb and middle finger of the right hand, and the two pressing pieces (35) are pushed forcefully in the direction of the injection pen (1). During the pushing process, the disinfection plate (423) moves downward and rotates half a circle, and the two disassembly blocks (32) also move downward and rotate half a circle synchronously. At this time, the two hands of the person form a state similar to twisting a knot and the two hands are twisted in opposite directions. The two disassembly blocks (32) are located exactly on both sides of the needle of the injection pen (1) and are in a symmetrical state. S3: The two pressing members (35) are then pressed inwardly by the thumb and middle finger of the right hand of the person, so that the two pressing members (35) move symmetrically inwardly, and the two disassembly blocks (32) also move symmetrically inwardly at the same time, that is, move in the direction of the needle until the needle is clamped, and the two second springs (313) are in a matched compression state; S4: At this time, the person holds the injection pen (1) with his left hand and the two pressing pieces (35) with his right hand and rotates them symmetrically inwards, so that the needle is loosened. Then, the person slowly rotates the injection pen (1) with his left hand to separate the needle from the injection pen (1). After separation, the needle will be located in the injection pen cap (21). At this time, the injection pen cap (21) can be turned over so that the opening of the injection pen cap (21) faces downward and the needle falls out by gravity, thus completing the disposable needle removal operation. During the entire needle removal process, the person does not need to come into contact with the needle, thereby avoiding the risk of the needle stabbing the person during removal and causing bacterial infection.

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