159 results about "Insulin pen" patented technology

The invention relates to the technical field of medical instruments, in particular to a hypodermic injection device which comprises a pen body, an insulin refill detachably connected to the bottom of the pen body, and a disposable pen needle matched with the bottom of the insulin refill. The push rod is movably arranged in the pen body, and the bottom end of the push rod is used for pushing liquid medicine in the insulin refill; a labor-saving assembly is mounted in the pen body; the labor-saving assembly comprises a first wedge-shaped block fixedly connected to the top of the push rod, a transmission sliding groove formed in the inner side of the pen body, a transmission sliding block slidably connected to the interior of the transmission sliding groove, a transmission rolling wheel rotationally connected to one end of the transmission sliding block and a second wedge-shaped block arranged in the pen body and capable of vertically moving. According to the invention, the inclined surfaces of the 60-degree wedge-shaped block I and the 30-degree wedge-shaped block II are matched, and the force conduction of the transmission roller is combined, so that the vertical thrust of the injection driving mechanism is amplified into horizontal thrust, the operation force is reduced by more than 70%, the thrust in the whole injection process is ensured to be stable, and pains and errors are relieved.

A monitoring feature, such as, for example, a pen cap, for an insulin delivery device may include at least one circuit adapted to detect at least one of a capping or decapping of the pen cap from an insulin pen and a processor for using information to the at least one of a capping or decapping of the pen cap. A monitoring feature for an insulin delivery device includes at least one circuit adapted to detect use of the insulin delivery device.

The utility model relates to a universal type ejection needle assisting device for muscle or subcutaneous injection, which comprises a shell, a base matched with the shell and used for containing a puncture assembly, a clamping device located in the shell and capable of moving up and down relative to the shell and an ejection device located between the shell and the clamping device, and the clamping device is used for clamping the puncture assembly. The structure of the puncture needle is changed, after the puncture needle and the injection soft needle are ejected and pricked into the body of a patient, the puncture needle can be taken out by the ejection clamping device, then the puncture needle is placed into the base again, and waste treatment is carried out along with the base. Meanwhile, the clamping disc capable of clamping the infusion tube and the infusion needle head is arranged and matched with the soft needle base of the injection soft needle, so that the insulin pump injection needle is suitable for injection of an insulin pump and an insulin pen, and the universality is high.

The utility model discloses an insulin pen storage rack and an insulin pen. The insulin pen can be placed on the storage rack, and the insulin pen is divided into a long-acting pen and a short-acting pen. A first magnet is mounted on the long-acting pen, a second magnet is mounted on the short-acting pen, and the mounting heights of the first magnet and the second magnet on the insulin pen are different; the magnets are installed at different heights of the long-acting pen and the short-acting pen, then the Hall sensor and the weight sensor are installed, whether the insulin pen is correctly placed at the moment is judged, and when the insulin pen is wrongly placed, the prompting system prompts and observably reminds a user whether the insulin pen is correctly placed at the moment, so that a patient with poor memory can use the insulin pen conveniently; and the medical efficiency is also improved.

A diabetes management system optimizes glucoregulatory hormone delivery using a connected glucoregulatory hormone delivery system and a computing device with a processor and non-transitory memory. The system receives glucose management data (glucose, insulin delivery, heart rate, or carbohydrate consumption data) from sensors. A digital twin metabolic model is selected and initialized based on the received data. The system simulates diabetes treatment interventions to predict glucose dynamics and determines an optimized glucoregulatory hormone parameter (e.g., insulin dose or increment that minimizes hyperglycemia and hypoglycemia risk). The determined glucoregulatory hormone parameter is transmitted to the connected glucoregulatory hormone delivery system, which may include an automated insulin delivery (AID) system or a connected insulin pen system, for implementation. By integrating real-time physiological data with predictive metabolic modeling, the system enhances glucoregulatory hormone therapy, providing personalized adjustments to improve glucose control.

The utility model discloses an automatic insulin needle feeding pen capable of preventing acupuncture, which comprises an insulin pen, a needle replacing sleeve is sleeved outside the insulin pen, a plurality of needle storage components are distributed in the needle replacing sleeve in an array manner, needle heads are clamped in the needle storage components, the needle heads are coaxial with the insulin pen by pressing the needle storage components, and the insulin pen is rotated. After the needle storage assembly is loosened, the needle head is separated from the needle storage assembly. The needle storage assembly comprises a shell, the shell is arranged on the needle replacement sleeve in a sliding mode, an arc-shaped groove is formed in the bottom of the shell, two clamping plates are fixedly connected into the arc-shaped groove, the two sides of the bottom end of the shell are each rotationally provided with a baffle, and the baffles are connected with the shell through torsional springs. According to the utility model, the plurality of needle heads are clamped in the needle storage assembly in advance, so that when insulin is continuously used, the needle heads can be quickly replaced, the working efficiency is improved, and the acupuncture risk caused by frequently replacing the needle heads is reduced.

This application discloses an insulin pen packaging box, relating to the field of pharmaceutical packaging technology. Its key technical features are: an outer box body composed of a box body and a freely opening and closing lid; a paper tray embedded inside the box body, the projection of the paper tray on the horizontal plane coinciding with the bottom of the box body; the paper tray includes a pad, on which multiple insulin pen placement frames are arranged side-by-side, and each placement frame is fixedly connected to the pad; each end of a placement frame has a slot along its length, and when an insulin pen is placed in a slot, the slot provides support and restraint to the end of the insulin pen. This allows for the simultaneous storage of multiple insulin pens within a single packaging box, thus improving packaging efficiency and patient convenience.

The utility model discloses an insulin injection needle detacher for a sharp instrument box and the sharp instrument box. The insulin injection needle detacher comprises a panel, a sleeve, an operating structure, two detaching structures and the like, when in use, the insulin pen is held by hand, the needle is inserted into the needle hole, and the dismounting sheet is embedded into the needle groove on the needle. Then the insulin pen is rotated, the disassembling piece is embedded into the needle head groove in the needle head, the needle head does not rotate, and therefore the insulin pen can be separated from the needle head, and the needle head is disassembled; at the moment, as the rear structure of the needle groove abuts against the dismounting piece, the needle cannot directly fall into the sharp instrument box. Then the operation structure is pressed, the driving piece moves downwards to push the inclined surface of the dismounting rod outwards, so that the dismounting piece retreats from the needle head hole and does not stop the needle head from falling off, and the needle head falls into the sharp instrument box. The needle head detacher is arranged on the sharp instrument box to obtain the sharp instrument box disclosed by the utility model. According to the utility model, the insulin injection needle can be detached, and the needle can easily and conveniently fall into the sharp instrument box.

A method of determining an insulin bolus to be administered by an insulin delivering device is disclosed. According to the inventive method, glucose measurement data corresponding to glucose level measurement signals detected by a continuous glucose sensor are received. An insulin bolus to be administered by the insulin delivering device is determined based on a formula having expressions indicative of, for example, glucose level derived from the glucose measurement data, carbohydrate-to-insulin ratio (CIR) and an insulin sensitivity factor (ISF). The method can be carried out using a processor of a device such as insulin pen, an insulin pump, a remote control device configured to remotely control an insulin pump or an insulin pen, a continuous glucose meter, a controller of a continuous glucose meter, a blood glucose meter, and a portable electronic device such as a smart phone, smart watch or tablet.

The present invention discloses an automatic assembly machine for a knob assembly of an insulin pen. The key points of its technical solution are that it includes a machine platform, a turntable is provided on the machine platform, and a plurality of workpiece positions are provided in the circumferential direction of the outer side of the turntable. A first device for mounting a locking ring on the workpiece position, a second device for mounting a metering knob on the locking ring, a third device for mounting a clutch in the metering knob, a fourth device for aligning the clutch with the locking ring, a fifth device for mounting a threaded guide sleeve on the metering knob, a sixth device for mounting a knob head on the metering knob and pressing it down to cooperate with the threaded guide sleeve, a seventh device for mounting a spring B on the clutch, an eighth device for mounting a button on the clutch, and a ninth device for screening and delivering good products. The present invention has a high degree of automation, can greatly improve assembly efficiency and product yield, and reduce costs.

The insulin pen for the visual impairment patient comprises a refill frame and an auxiliary positioning mechanism, a pen body is fixedly connected to the surface of the top of the refill frame, an adjusting knob is installed on the surface of the top of the pen body, and the auxiliary positioning mechanism is arranged on the surface of the outer side of the refill frame. An auxiliary metering mechanism is arranged on the surface of the outer side of the pen body, convenience and accuracy are provided for a patient with visual impairment to use the insulin pen, the patient can easily find the injection position by using the soft plug to position the abdomen position as the benchmark and positioning the positioning hole in the paperboard, and the accuracy of the insulin pen is improved. The design of the rotating guide rail and the sliding insertion groove enables the refill frame to accurately move on the positioning paperboard and align to the injection position, the injection precision and accuracy are improved, the stability and safety of the rotating angle are guaranteed through the arrangement of the limiting block and the screwing bolt, and excessive rotation or accidental movement is avoided.

The utility model provides a digital display insulin pen. Comprising a main body which is internally provided with a liquid storage space, and one end of the main body is provided with a needle communicated with the liquid storage space; the infusion mechanism is used for injecting the liquid in the liquid storage space into the body of the patient from the needle head; the monitoring mechanism is used for monitoring the content of liquid in the liquid storage space; the function module is arranged on the side face of the main body and comprises a display unit, and the display unit is used for displaying the content, detected by the monitoring structure, of the liquid in the liquid storage space in real time.

The invention relates to the technical field of medical equipment, and discloses a diabetic patient nursing device which comprises a nursing box, an insulin pen, a push-pull mechanism and a storage mechanism, a storage groove is formed in the left side of the nursing box, and a collecting mechanism is arranged in the nursing box and located on the right side of the storage groove. A push-pull mechanism is arranged on the right side of the nursing box, a storage mechanism extending into the nursing box is arranged on the left side of the push-pull mechanism, and a fixing mechanism is arranged on the storage mechanism. According to the nursing device for the diabetic patient, the fixed drawer, the first movable drawer, the second movable drawer and the third movable drawer are arranged, insulin pens and insulin refills can be stored in a pen groove and a refill groove in the fixed drawer, small articles or medicines can be stored in the first movable drawer, and medium articles or medicines can be stored in the second movable drawer; and the third movable drawer can be used for storing large articles or medicines, so that the user can conveniently store the articles or medicines in a classified manner.

The utility model discloses an insulin needle unloading and taking device which comprises an installation base, a needle unloading and taking mechanism, a positioning mechanism and a recycling mechanism, the needle unloading and taking mechanism, the positioning mechanism and the recycling mechanism are all installed on the top of the installation base, a driven gear is rotatably installed in the middle of the upper end of the inner wall of the installation base, and an installation cylinder is fixedly arranged in the middle of the top of the driven gear. A fixing groove is formed in the middle of the top of the mounting cylinder, a needle dismounting ring is connected to the inner wall of the fixing groove in a penetrating mode, and a through hole is formed in the bottom of the inner wall of the fixing groove; according to the detachable insulin pen, when the detachable insulin pen is used for insulin pens with needle head connecting components of different specifications, the detachable ring is connected in the mounting cylinder in an embedded mode through the arrangement of the mounting cylinder with the fixing groove, and the detachable ring is matched with meshing rotation of the driving gear and the driven gear, so that the detachable ring with the grooves of different inner diameters can be replaced to clamp and unscrew the matched needle head, and the insulin pen is convenient to use. And the application range is wider, and insulin needles of different specifications can be conveniently detached, so that the use convenience of the device is improved.

A diabetes management system optimizes glucoregulatory hormone delivery using a connected glucoregulatory hormone delivery system and a computing device with a processor and non-transitory memory. The system receives glucose management data (glucose, insulin delivery, heart rate, or carbohydrate consumption data) from sensors. A digital twin metabolic model is selected and initialized based on the received data. The system simulates diabetes treatment interventions to predict glucose dynamics and determines an optimized glucoregulatory hormone parameter (e.g., insulin dose or increment that minimizes hyperglycemia and hypoglycemia risk). The determined glucoregulatory hormone parameter is transmitted to the connected glucoregulatory hormone delivery system, which may include an automated insulin delivery (AID) system or a connected insulin pen system, for implementation. By integrating real-time physiological data with predictive metabolic modeling, the system enhances glucoregulatory hormone therapy, providing personalized adjustments to improve glucose control.

The utility model discloses a multifunctional storage injection device which comprises an insulin injection pen body, an injection pen point is installed below the insulin injection pen body, and the top of the injection pen point is fixedly connected with an external thread installation cylinder. According to the insulin injection pen, the external thread mounting cylinder is mounted at the bottom of the insulin injection pen body through threads, remounting is performed after an insulin refill in an insulin pen is mounted in the injection pen point, and by arranging a spring, the insulin injection pen body is vibrated by starting a vibration motor when the outer side of an outer fixing sleeve is held by a hand, so that the insulin injection pen body can be conveniently and quickly mounted. The insulin injection pen body is connected with the outer fixing sleeve through the spring on the outer side, the insulin injection pen body and the injection pen point are driven to integrally vibrate, insulin is shaken up, and the insulin in the injection pen point is heated and stored by arranging the electric heating plate.

The application discloses an integrated safety recycling pen cap for an insulin pen and a use method, and aims to solve the problems of high risk of needle stick injury, poor universality and complicated operation in the process of disassembling and recycling the existing insulin needle. The application comprises a pen cap body, a guide piece and a force relieving piece coaxially arranged in the pen cap body, a pen top component with a top block slidingly connected to the cap top of the pen cap body, a telescopic piece with a reset function arranged between the pen top component and the guide piece, and a reinforcing piece penetrating through the circumference of the pen cap body. The guide piece is an outer equal-diameter cylindrical hole with an inner truncated conical hole structure, and the force relieving piece is an outer truncated conical rotary surface with an inner equal-diameter cylindrical hole structure with an axial anti-skid groove. The application can realize contactless disassembly and recycling of the insulin needle throughout the whole process, is suitable for different specifications of needles, has high structural integration and is easy to operate, and can completely avoid the risk of needle stick injury.

The utility model provides a needle dismounting device for an insulin pen. The needle dismounting device comprises a main body piece, a fixed connecting piece, a dismounting piece and an operating piece, wherein a first circular through hole is formed in the top surface of the main body piece; the fixed connecting piece is connected to the top surface of the main body piece; a second circular through hole sleeving the fixed connecting piece is formed in one end of the dismounting piece, a first opening is formed in the other end of the dismounting piece, and a dismounting hole communicating with the first opening is formed in the middle position; the operating piece is provided with a rotating piece and a handle, the rotating piece penetrates through the first opening and then is inserted into the first circular through hole, and a cam structure is arranged on the rotating piece. During use, the rotating piece is rotated through the handle to expand the first opening, the needle head of the insulin pen is placed in the dismounting hole, then the first opening is restored to the initial state, the insulin pen is clamped by the dismounting hole, and at the moment, the needle head can be dismounted by rotating the insulin pen; according to the needle head dismounting device for the insulin pen, the needle head can be dismounted from the insulin pen without contacting the needle head, and the needle head dismounting device is safer.

The utility model relates to the field of medical instruments, in particular to an insulin needle removing device which comprises a removing part and a handle part used for arranging the removing part, a removing groove matched with the front end of an insulin pen is concavely formed in the bottom end face of the removing part, and a clamping assembly used for clamping an insulin needle is arranged in the removing groove. The insulin pen has the advantages that direct contact between a user and a needle head is reduced in the process that the user removes the insulin pen, and the risk that the user is punctured by a needle is effectively avoided.

The invention relates to the technical field of medical instruments, in particular to an insulin pen with injection pressure real-time monitoring and feedback functions, a sensor unit, a control unit, a feedback execution unit and a user operation unit are additionally arranged on a pen body, the sensor unit comprises a piezoresistive sensor, the piezoresistive sensor is integrated in a base at the end of a refill frame, and the control unit is connected with the user operation unit. The piezoresistive sensor is used for judging whether injection can be carried out or not according to the received corresponding pressure range, the control unit receives data transmitted by the piezoresistive sensor in real time, the feedback execution unit adopts a three-level linkage feedback mechanism, and the three-level linkage feedback mechanism is set as first-level feedback, second-level feedback and third-level feedback. The user operation unit comprises a play key, a volume adjusting button and an on-off key. An existing insulin pen does not have pressure feeling, so that an unskilled patient or an elderly patient often does not conduct injection close to the skin, insulin is not injected into the body, and the situation of blood sugar fluctuation is caused. The purpose of the invention is to optimize the treatment effect of insulin.

The invention relates to the technical field of insulin storage appliance application, in particular to an insulin storage box which comprises a main box body, a storage drawer, a tool cabinet, a shaking-up assembly and an amplifying assembly.The insulin storage box is simple in overall structure, low in manufacturing cost, light and portable in structure and high in functionality, integrates multiple functions into a whole in design and is convenient to use. Comprising a multi-temperature-zone storage function, a stable insulin pen storage function, an efficient and safe shaking function, a magnifying function convenient for people with poor eyesight to use and the like, and the functions are realized through reasonable design and ingenious combination without depending on a complex mechanical structure or high technical cost. Due to the design, the function is realized, the structure of the whole safe deposit box is kept simple, the manufacturing cost is reduced, and meanwhile, due to the light and portable structural design, the insulin safe deposit box is easy to carry and use and suitable for being used in various occasions.

The utility model provides a kind of commutation transposition mechanism, belong to insulin pen automation assembly technical field.It has solved the problem of the existing commutation station structure complexity, low efficiency.This commutation transposition mechanism includes the material taking claw and carrier of relative arrangement, and the drive component that can drive it does linear reciprocating motion in horizontal direction and vertical direction is connected on material taking claw, carrier has protruding limit part one and recessed limit part two on it and they are respectively used for the opposite ends of the material positioning, and drive piece that can drive material taking claw 180 degrees circumferential rotation is connected on material taking claw.Wherein, limit part one and limit part two are designed on carrier, limit part one and limit part two can respectively carry the material before reversing and the material after reversing, so design material does not need to replace carrier after reversing, material is directly on same carrier and carries out position switching, while simplifying structure, efficiency is improved.

The utility model provides a multifunctional refrigeration box which comprises a box body, a box cover and a box cover. An upper cover; a bracket; the heat preservation device is supported on the bracket and is used for supporting and placing an insulin injection pen; the needle head fixing piece is arranged in the box body and located below the heat preservation device, and the needle head fixing piece is used for fixing a needle head; the temperature detection element is arranged in the heat preservation device and used for detecting the temperature in the heat preservation device and sending the temperature to the control module; the alarm element is arranged in the box body and is used for giving an alarm prompt under the control of the control module; the charging panel is arranged in the box body, and a charging interface is formed in the charging panel; and the power storage module is arranged in the box body, is used for supplying power to the alarm element and the temperature detection element, and is connected with the charging panel. According to the multifunctional refrigeration box, the insulin injection pen and a plurality of insulin needles can be placed in the refrigeration box at the same time, the insulin injection pen in the refrigeration box can carry one insulin needle and one refill, the limited space in the box body is fully utilized to store a whole set of articles needed by insulin injection, and the multifunctional refrigeration box is compact in structure and convenient to carry. The heat preservation device is arranged in the cold storage box, and cold storage and heat preservation can be conducted on medicine in an insulin needle carried by the insulin injection pen.

The utility model relates to an insulin pen automatic needle taking device which comprises a separation box, an insertion hole is formed in the upper end face of the separation box, a needle taking unit is installed in the separation box, the needle taking unit comprises an installation box fixedly installed on the bottom face of the separation box and a gear ring rotationally connected into the separation box, and a driving motor is installed in the installation box; the output end of the driving motor penetrates into the separation box and is in meshed connection with a gear ring through a gear, two connecting rods are arranged in the gear ring, two symmetrically-distributed clamping rings are installed on the two connecting rods, stress rods are rotationally connected to the bottoms of the clamping rings, and a clamping unit and a pressure applying unit are installed in the separation box; and the storage box is in threaded connection with the lower part of the separation box, is communicated with the interior of the separation box and is used for receiving the injection needle separated from the insulin pen body. According to the device, the injection needles can be screwed off from the end of the insulin pen body and fall into the storage box to be collected, automatic needle taking can be achieved only through simple manual assistance, use is convenient, and risks are reduced.

The present invention discloses an automatic assembling machine for an insulin pen and an assembling method thereof. The key points of the technical solution include a machine platform, on which a turntable is provided. A plurality of workpiece positions are circumferentially arranged on the outer side of the turntable. Each workpiece position includes a first position, a second position, and a third position from the inside to the outside. On the outer side of the turntable, a first device for installing a pen tube at the first position, a second device for placing a knob assembly at the second position, a third device for grasping the pen tube and sleeving it on the knob assembly, a fourth device for aligning the pen tube with the knob assembly, a fifth device for pressing the pen tube to form a semi-finished product, a sixth device for grasping a transmission assembly and installing it into the semi-finished product, a seventh device for rotating the transmission assembly and aligning it with the semi-finished product for assembly, an eighth device for grasping an insulin pen and placing it at the first position, a ninth device for testing the knob head, and a tenth device for outputting the insulin pen are respectively arranged in a clockwise direction; the present invention has a high degree of automation, can greatly improve the assembling efficiency and product yield, and reduce costs.

The utility model discloses a diabetes injection positioning device for endocrinology department, which comprises an insulin pen, a connector is arranged at the bottom of the insulin pen, a needle head is arranged in the connector, a positioning mechanism is arranged on the surface of the connector, the positioning mechanism comprises a fixing ring, the fixing ring is sleeved on the surface of the connector, and the fixing ring is sleeved on the surface of the connector. A plurality of sets of elastic rods are arranged on the surface of the fixing ring, and the elastic rods are of an arc-shaped structure. When the insulin pen is used, the positioning mechanism is fixed at the connector, the needle head of the insulin pen is located on the inner side of the positioning mechanism, the gasket is arranged at the position needing injection, the injection position is exposed through the positioning hole, the insulin pen is pressed, the elastic rod is bent, the needle head is made to penetrate into the position in the positioning hole, and after injection is completed, the elastic rod can rapidly bounce the insulin pen. By means of the injection mode, vertical up-and-down can be achieved, the needle head cannot be exposed before injection, and the safety of injection is guaranteed.

The invention discloses a multifunctional portable special bag for diabetics, which comprises a storage bag of a square structure, a protective cover matched with the storage bag is rotatably mounted above the storage bag, and a carrying handle is fixedly mounted outside the side surface of the storage bag. The inner space of the storage bag is divided into a left storage grid, a middle storage grid and a right storage grid by fixedly-installed partition plates, and an elastic fixing belt is fixedly installed in the left storage grid. According to the multifunctional portable bag special for the diabetic patient, a novel structural design is adopted, and an automatic pop-up mechanism is arranged, so that in an emergency, a user or a family member can press an external control key to control an internal electromagnet, the electromagnet is powered off and loses the adsorption effect on a pushing plate, and then the diabetic patient can conveniently take the bag out. At the moment, a pushing plate drives a mounting plate to penetrate through a communicating groove to be popped out under the elastic action of an extrusion spring, so that the patient can quickly take the insulin pen inside, and the first-aid time is prevented from being delayed in the bag opening process.

The invention provides a precise insulin injection device based on laser calibration and a management method and system. The device comprises a device body and a middle hollow ring, and an insulin pen penetrates through the inner diameter of the middle hollow ring; the equipment main body comprises a laser scanning module, a display confirmation module, a recording module and a data storage module, the display is located on the upper surface of the equipment main body, the laser scanning module, the recording module and the data storage module are sequentially in signal connection, and the laser scanning module, the recording module and the data storage module are respectively in signal connection with the display. Clear point-shaped marks are formed through laser beams to prompt the accurate injection position; scanning and injection positioning point selection results are displayed through a display; data such as injection position and time of each time are recorded, optimization of injection part selection is facilitated, and complication risks are reduced; and by combining laser positioning and stored injection data information, whether a certain area is frequently injected or not is judged, repeated injection is prevented, and the problem of improper selection and rotation of insulin injection parts is effectively solved.

The utility model relates to the technical field of medical instruments, and particularly discloses an insulin pen which comprises a pen cap and a pen body, a needle head body is installed on the pen body, the pen cap is provided with a near end and a far end, the near end of the pen cap is provided with an opening, the inner circumferential wall of the near end of the pen cap is provided with a boss of an annular structure, and the inner circumferential wall of the boss is provided with a protruding strip. The boss and the protruding strip are used for taking down the needle head body from the pen body, a pushing device is arranged on the inner side of the pen cap and comprises a guide plate and a pushing and pressing column, the guide plate can move in the pen cap in the axial direction, the pushing and pressing column is arranged on the side, facing the boss, of the guide plate, and the pushing and pressing column can move in the pen cap in the axial direction. When the pushing and pressing column moves from the far end to the near end, the needle head body can be pushed out of the pen cap. The needle can be taken out and discarded into the sharp instrument box under the condition that the needle is not contacted, and the situation that the needle of an insulin pen is punctured in the process of taking down or treating the needle due to the fact that the two ends are exposed can be effectively avoided.

The utility model relates to an insulin pen capable of preventing pricking injury. The insulin pen comprises a needle head and a needle cylinder, an annular circular truncated cone is arranged at the lower end of the needle head, and a clamping tenon is arranged on the edge of the circular truncated cone; a cylindrical connecting device is arranged at the end of the needle cylinder, a limiting hole is formed in the connecting device, and a springback device is arranged in the connecting device. The lower end of the needle head is arranged in the cylindrical connecting device in a sleeving manner; and the lower end of the needle head is clamped in the limiting hole of the cylindrical connecting device through a tenon. When the needle head is installed, the end opening, provided with the circular truncated cone, of the needle head is aligned with and inserted into the end, provided with the connecting device, of the needle head, so that the clamping tenon can enter the limiting hole, the needle head and the needle cylinder can be fixed, and a user conducts subcutaneous injection through the device to feed insulin into the body; when the needle head is detached, the needle head can be detached only by pressing the needle head towards the needle cylinder and rotating the needle head towards the two sides. When the device is used, the dismounting is obviously very simple, the safety is high, and the situations that the needle head stabs a user and needs to be screwed by hands are avoided.