CN104800932B - Medicine information monitoring device and medicine information monitoring type injection device - Google Patents

Abstract

The present invention relates to the technical field of drug injection, and discloses a drug information monitoring device and a drug information monitoring injection device, wherein the drug information monitoring device is used to detect the injection dose of an injection pen containing a drug, an adjustment knob for determining the injection dose is provided at one end of the injection pen, the drug information monitoring device comprises a housing, a rotary encoder for converting the rotation information of the adjustment knob into drug injection dose information, and a control component, the rotary encoder comprises an encoder body and a rotating block rotatably connected to the encoder body, the encoder body and the control component are electrically connected and both are fixed to the adjustment knob, the housing cover is arranged outside the encoder body and the control component, a button is provided at one end of the housing, and the rotating block is fixedly connected to the button. In the drug information monitoring device of the present invention, the encoder body of the rotary encoder can rotate with the adjustment knob, and the number of rotations is recorded during injection, converted into drug information and stored, the data acquisition error is small, and the accuracy requirements for use and assembly are low.

Description

Drug information monitoring device and drug information monitoring type injection device

technical field

The invention relates to the technical field of drug injection, in particular to a drug information monitoring device and an injection device with a drug information monitoring structure.

Background technique

In the prior art, there is a class of injection pens, such as insulin injection pens, which can be used by patients to select and inject drug doses by themselves, which can help chronic patients to treat themselves at home.

The injection pen generally has an injection part and a detection part that can determine the dose. The injection part includes a syringe containing the medicament and a piston core rod. The detection part includes a sleeve and an adjustment knob, wherein the sleeve is fixed on the syringe and provided with a scale. The adjustment knob is connected to one end of the sleeve through threaded rotation, and the piston core rod passes through the sleeve and is connected to the adjustment knob. Before injection, turn the adjustment knob to drive the piston rod to move until the adjustment knob reaches the specified scale on the sleeve, and the movement stroke of the piston rod is determined, that is, the appropriate dose of medicine is selected, and then directly press the adjustment knob to adjust The knob rotates and descends back to the initial position, and drives the plunger rod to descend, and the medicine dose corresponding to the designated scale is pushed out of the syringe to complete the injection.

Although this injection pen can select the appropriate dose of medicine, it cannot record the time, dose and frequency of drug injection, and this information is very important to the patient's treatment process. It can not only provide a more important diagnostic basis for doctors, but also Related information, patients may forget the number and time of injections, resulting in too many or too few injections, which will aggravate the condition.

In order to record the drug injection information of the injection pen, there are detection devices that cooperate with the injection pen or directly integrate the injection pen in the prior art. These detection devices mostly use sensor measurement, optical recognition, etc. to detect the stroke of the piston core rod and convert it into electronic information. Record. Since the stroke recognition of the piston core rod directly affects the final medicine calculation result, this type of detection device has high precision requirements for the installation and use of the sensor, and the operation is complicated, and errors are prone to occur in the process of recognition and detection, which is difficult. Meet the user's recording needs.

Contents of the invention

The purpose of the present invention is to provide a drug information monitoring device, aiming at solving the problems of high installation precision, complicated detection operation and prone to errors in the injection pen detection device in the prior art.

The present invention is realized in such a way that the drug information monitoring device is used to detect the injection dose of the injection pen containing the drug, and one end of the injection pen is provided with an adjustment knob for determining the injection dose, and the drug information monitoring device includes a housing , a rotary encoder and a control assembly for converting the rotation information of the adjustment knob into drug injection dose information, the rotary encoder includes a coding body and a rotary block that is rotatably connected to the coding body, the coding body and The control components are electrically connected and fixed to the adjustment knob, the housing is covered outside the coding body and the control components, a button is provided at one end of the housing, and the rotary block is fixedly connected to the button.

Compared with the prior art, the drug information monitoring device in the present invention is directly installed on the adjustment knob of the injection pen. When the injection pen injects, the user presses the button to press down the drug information monitoring device, and the downward pressure is transmitted to the adjustment knob , the adjusting knob is transformed into rotational force and rotates down, driving the code body to rotate. Since the rotating block is connected with the button, the button will not rotate under continuous pressing, so the rotating block can remain still and rotate relative to the coding body during the injection process. The encoding body detects the number of turns of the relative rotation of the rotary block, that is, the number of turns of the adjustment knob, which is converted into drug dosage information in the control component and stored, completing the drug information monitoring process. When the drug information monitoring device of the present invention is used to detect the injection pen, no additional detection action is required, and the operation is simple; when installing, it is only necessary to keep the internal structure of the drug information monitoring device and the adjustment knob to rotate synchronously, so the installation and use The requirements for matching accuracy are low, and errors are not easy to occur.

The present invention also provides a drug information monitoring injection device, comprising an injection pen with an adjustment knob at one end and the drug information monitoring device according to claim 1, the coding body and the control assembly in the drug information monitoring device Secure with the adjustment knob.

The drug information monitoring injection device of the present invention integrates the above-mentioned drug information monitoring device and injection pen, and has the functions of injecting and detecting drug information. Its use method is the same as that of the injection pen in the prior art, and no additional detection operation is required. , Drug information can be collected synchronously during the injection process, the data collection process is easy to operate, and errors are not easy to occur.

Description of drawings

Fig. 1 is an exploded schematic diagram of a drug information monitoring injection device provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of the explosive connection between the drug information monitoring device and the adjusting knob in Fig. 1;

FIG. 3 is a schematic structural diagram of the rotary encoder in FIG. 1 .

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The implementation of this embodiment will be described in detail below in conjunction with specific drawings.

As shown in FIGS. 1 and 2 , the drug information monitoring device 11 includes a housing 112 , a rotary encoder 113 and a control assembly 114 . The casing 112 is cylindrical, and covers the rotary encoder 113 and the control assembly 114 , and a button 111 is provided outside one end thereof.

As shown in Fig. 2 and Fig. 3, the rotary encoder 113 includes a coding body 1132 and a rotating block 1131 which is rotationally connected with the coding body 1132, the rotating block 1131 is connected with the button 111, and the coding body 1132 and the control assembly 114 are electrically connected to each other. It is fixed on the adjustment knob 121 of the injection pen 12 and rotates with the adjustment knob 121 . When the user presses the button 111, the force is first transmitted from the button 111 to the rotary encoder 113, and then from the rotary encoder 113 to the adjustment knob 121. The adjustment knob 121 continues the original working mode. 1132 rotate together. , The entire moving process is: the user applies force to the button 111; the button 111 descends to drive the adjustment knob 121 to descend; the adjustment knob 121 drives the drug information monitoring device 11 to descend during the descent, and the encoding body 1132 rotates together with the adjustment knob 121 to adjust The knob 121 returns to the initial limit position to complete the injection.

The drug information monitoring device 11 in this embodiment is first installed on the injection pen 12 to ensure that the coding body 1132 , the control component 114 and the adjustment knob 121 are fixed to each other when in use. When the user uses the injection pen 12 for injection, first turn the adjustment knob 121 in the forward direction to adjust to the required scale, then press the button 111, go through the above-mentioned force transmission process, and finally rotate the adjustment knob 121 to drive the injection pen The plunger rod of 12 descends and finishes injection.

Since the user continues to press the button 111 during injection, the button 111 itself will not rotate when in contact with the user's finger, and the rotating block 1131 fixed to it will not rotate either, and the adjustment knob 121 will rotate and descend by itself after being pressed down for injection. At the same time, the encoding body 1132 is driven to rotate, and a relative rotation occurs between the encoding body 1132 and the rotating block 1131, and the number of rotations is the number of rotations of the adjustment knob 121. The encoding body 1132 detects the number of turns relative to the rotating block 1131 and converts it into electronic data, which is converted into drug dosage data by the control component 114 and recorded, and the control component 114 simultaneously records the time when the injection occurred.

Therefore, the drug information monitoring device 11 in this embodiment monitors the dosage of the drug used by means of the rotary encoder 113 to detect the number of rotations of the adjustment knob 121 and records and stores it. There is no need to use a sensor to identify the stroke of the piston core rod. The accuracy requirements for use and use are low, and the detection process only needs to continue the original injection pen 12 operation mode of "rotate-press", without adding special detection actions, and the operation is simple. The detection process records the number of rotations and converts it into a drug dose, which is not easy. A detection error occurs and has a high detection accuracy.

In the drug information monitoring device 11 in this embodiment, its control component 114 also includes a wireless transmission module, and the drug information stored in the control component 114, such as injection dose, injection time, etc., can be sent to an external data processing unit through the wireless transmission module. Devices such as tablets, phones, computers, routers, and more. In actual use, the wireless sending module can use the Bluetooth module to pair with mobile terminals such as mobile phones or tablet computers, transmit data regularly or in real time, record drug information on the mobile terminal in the form of charts, curves, etc., and intuitively remind patients of the drug. Usage; WIFI module can also be used to connect to the Internet through a router, and directly and remotely transmit drug information to the doctor's computer, so that the doctor can remotely monitor the patient's drug usage as the basis for his diagnosis.

In the drug information monitoring device 11 in this embodiment, its control component 114 also includes a preset dose switching module, which can switch the data collection mode of the control component 114. After using the dose switching module, it can be tested according to the dose of the disposable injection pen. Try to record or pre-set, and cooperate with recording the injection time.

There are many ways to fix the coding body 1132, the control assembly 114 and the adjustment knob 121, such as direct fixed type, a fixed frame is set, the coding body 1132 and the control assembly 114 are fixed on the fixed frame, and then a clip can be set on the fixed frame. The clamping structure of the adjusting knob 121 is tightened. When the adjusting knob 121 rotates, only the fixed frame, the coding body 1132 and the control assembly 114 rotate accordingly, and the housing 112 keeps itself still; an indirect fixed type can also be used, and the coding body 1132 and the The control assembly 114 is fixed in the casing 112 , and the casing 112 is fixed with the adjustment knob 121 , and when rotating, the casing 112 rotates together with the inner coding body 1132 and the control assembly 114 . As shown in FIG. 1 and FIG. 2 , in this embodiment, an indirect fixing method is adopted. The coding body 1132 and the control assembly 114 are fixed in the casing, and one end of the casing 112 is fixed to the adjusting knob 121 and can rotate accordingly, while the button 111 is rotatably connected to the other end of the casing 112 . When the button 111 is pressed for injection, the adjusting knob 121 drives the housing 112 to rotate together. Since the button 111 and the housing 112 are rotationally connected, they will not rotate accordingly and remain static. This way of fixing the housing 112 to the adjusting knob 121 integrates the housing 112 with the coding body 1132 and the control assembly 114 , which can provide protection for the internal structure of the housing 112 .

There are many ways to fix the housing 112 and the adjustment knob 121. For example, an adhesive structure is provided on the edge of the housing 112. When the drug information monitoring device 11 is installed, the housing 112 and the adjustment knob 121 are directly pasted and fixed; A plurality of clamping bolts are arranged around the body 112. During installation, the casing 112 is used to cover the outside of the adjustment knob 121, and the clamping bolts are screwed in to clamp and fix it. The specific fixing method can also adopt other structures in the prior art. This embodiment will not be described in detail, it only needs to ensure that the installation is simple and the housing 112 can rotate synchronously with the adjusting knob 121 .

There are many ways to rotate the housing 112 and the button 111. In this embodiment, one end of the housing 112 is provided with a snap ring 1121, one end of the button 111 can pass through the snap ring 1121, and the other end is provided with a limit ring 1111. The snap ring 1121 can be clamped so that the button 111 will not come out. When in use, the user presses the button 111, and the button 111 moves downward, so that the limit ring 1111 is separated from the snap ring 1121, and the casing 112 will not rub against the button 111 when it is rotated by the adjusting knob 121, so that the rotation is smoother. This avoids the problem that the rotary block 1131 rotates axially due to the rotation of the button 111 and affects the accuracy of the relative rotation circle data collected by the encoding body 1132 . In actual use, other rotational connection methods may also be used, such as rotational bearings connecting the housing 112 and the button 111 .

The drug information monitoring device 11 in this embodiment can be installed on various injection pens 12 purchased directly on the market. With the use of the injection pen 12, it can monitor the status of the injection pen 12 without adding additional operations. Drug injection information is sent to external devices, which provides convenience for users and doctors. It has the advantages of easy installation and operation, and high monitoring accuracy.

As shown in Figure 1, this embodiment also provides a drug information monitoring type injection device 1, which directly integrates the injection pen 12 and the aforementioned drug information monitoring device 11, the adjustment knob 121, the coding body 1132 and the control assembly 114 of the injection pen 12. fixed.

The drug information monitoring injection device 1 in this implementation adopts the same operation action as the injection pen 12 on the market, that is, the "rotate-press" method, and can complete the whole process of selecting dosage, injecting, and monitoring drug information. It can not only adjust and select the dose of injected drugs, but also automatically monitor the injected drug dose and injection time, and provide important evidence for users and doctors after storage.

As shown in Figure 1, one end of the adjusting knob 121 is provided with a connecting sleeve 1211, and the outer side of the connecting sleeve 1211 is provided with a screw thread, and one end of the housing 112 is fixed to the connecting sleeve 1211 through the screw thread, that is, the adjusting knob 121 and the housing are connected through the connecting sleeve 1211. 112 are fixed to each other. The connecting sleeve 1211 and the housing 112 form a placement cavity, and the rotary encoder 113 and the control assembly 114 are arranged in the placement cavity and fixed with the connection sleeve 1211 or the housing 112, so that the encoding body 1132 and the control assembly 114 can be synchronously driven by the adjustment knob 121 turn.

In the placement cavity, other circuit structures are also provided, as shown in FIG. 2 , these circuit structures include a battery (not shown) and a vibrator 1141, the battery can supply power for the entire drug information monitoring device 11, and the vibrator 1141 is controlled by the control component 114 , it can vibrate at a specified time or condition to remind the user, such as setting the time for injection, and vibrate to remind after the time.

In order to further strengthen the prompting function, a ring indicator light (not shown) is also provided on the outside of the connecting sleeve 1211. The ring indicator light is also controlled by the control component 114 and can flash at a specified time or condition, visually matching the vibrator 1141 prompts the user, for example, the light continues to shine during the injection, and it turns into a flashing state when the injection is about to be completed, indicating that the injection is about to be completed. The ring indicator light can also display the power, information transmission status, wireless connection status, drug information collection mode, etc. of the drug information monitoring device 11 through the color or frequency of the light, and different working states can be set according to actual needs.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (8)

1. Drug information monitoring device, used to detect the injection dose of the injection pen containing the drug, one end of the injection pen is provided with an adjustment knob for determining the injection dose, characterized in that the drug information monitoring device includes a housing, A rotary encoder and a control assembly for converting the rotation information of the adjustment knob into drug injection dosage information. The rotary encoder includes a coding body and a rotary block that is rotationally connected with the coding body. The control components are electrically connected and fixed to the adjusting knob, the casing is set outside the coding body and the control component, a button is provided at one end of the casing, and the rotating block is fixedly connected to the The button, the coding body and the control assembly are fixed in the casing, one end of the casing is fixed to the adjustment knob, and the button is rotatably connected to the other end of the casing. 2. The drug information monitoring device according to claim 1, wherein the control component includes a wireless sending module capable of transmitting wireless information. 3. The drug information monitoring device according to claim 1, wherein a clasp is provided at one end of the housing, one end of the button passes through the clasp, and the outer edge of the other end is protruded for clamping. The limit circle of the snap ring. 4. Drug information monitoring injection device, characterized in that it comprises an injection pen with an adjustment knob at one end and the drug information monitoring device according to claim 1, the coding body and the control device in the drug information monitoring device Assembly is secured with the adjustment knob. 5. The drug information monitoring injection device according to claim 4, characterized in that, one end of the adjustment knob is provided with a connecting sleeve, and one end of the housing is fixed to the connecting sleeve through threads, and the connecting sleeve and the connecting sleeve are A placement cavity is formed inside the housing, and the rotary encoder and the control assembly are arranged in the placement cavity. 6 . The drug information monitoring injection device according to claim 5 , wherein a battery for power supply is also provided in the placement cavity. 7 . 7 . The drug information monitoring injection device according to claim 5 , wherein a vibrator is arranged inside the placement cavity, and the vibrator is controlled by the control component. 7 . 8 . The drug information monitoring injection device according to claim 5 , wherein a ring-shaped indicator light is provided outside the connecting sleeve, and the ring-shaped indicator light is controlled by the control assembly.