Miniature injection pump and control method

Abstract

The invention provides a micro injection pump and a control method. The micro injection pump and the control method are used for at least solving the technical problem of digital input in the prior art. A micro injection pump comprises a control chip, a first digital key and a second digital key, the first digital key transmits a first signal to the control chip after being triggered, the second digital key transmits a second signal to the control chip after being triggered, and the first digital key and the second digital key are triggered for a plurality of times in turn in a certain time. Or the same number key is triggered at least once within a certain time, at least eight combined signals can be transmitted to the control chip, and in a first operation interface of the micro injection pump, the first signal, the second signal and the remaining eight combined signals respectively and correspondingly input numbers to the system. On the premise that the number of the keys is not changed, the direction keys are replaced by the number keys, so that the number input efficiency is higher.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of syringes, in particular to a micro injection pump and a control method. BACKGROUND

[0002] With the aggravation of population aging, the demand for home medical treatment is also increasing, and the demand for portable medical equipment is also increasing. In addition, there are certain limitations on the size of medical equipment for first aid. For patients who need to inject drugs, it may involve children of different ages, and an injection pump is usually needed to ensure precise dose and speed control. However, larger injection pumps are not convenient to carry, and smaller micro injection pumps are convenient to carry, but due to their small size, they cannot set multiple keys, and their screens are small, with no extra touch space. Therefore, when controlling the speed and dose, the input is usually completed by adjusting the size of the number, that is, an up key and a down key are usually set, the up key can enlarge the value after being triggered, and the down key can reduce the value after being triggered. Such one-way adjustment from 0 to 9 requires triggering 9 times, and from 5 to 9 requires triggering 4 times. Whether it is one-way adjustment of the parameter or two-way adjustment of the parameter, from 5 to 0 requires triggering 5 times, which is low in efficiency. For speed adjustment, it is usually not just 0-9 adjustment. For drugs such as insulin that need to be injected slowly, the injection speed may be close to 1 milliliter per hour, and for patients who need to be resuscitated, the speed of injecting physiological saline may need to be 1000 milliliters per hour. Of course, many injection pumps may have a maximum speed of 999 milliliters per hour. If only up and down keys are set for adjustment, the switch needs to be triggered hundreds of times. Even if the digits are switched by long-pressing the keys, switching the keys, or confirming the keys, a large amount of time is needed to trigger the switch. For dose adjustment, although the needle size is fixed, generally 20 milliliters and 50 milliliters, the amount of single injection varies from person to person, especially for young children, which needs to be adjusted according to the actual situation. For those with high injection precision requirements, it even needs to be accurate to 0.1 milliliter or even 0.01 milliliter, which consumes a lot of time. In order to reduce the size, the micro injection pump does not have space to set 10 keys, so it cannot directly input the corresponding number, and frequent use is not very convenient, especially in emergency situations, which will waste a lot of valuable time and affect first aid.

[0003] Chinese patent application CN112957567A, entitled "Injection Pump Control Method, System, and Device," discloses an injection pump control method, system, and device. This control method is applied to an injection pump control system, which includes an interconnected syringe and controller. The control method includes: receiving a flow rate level set by a user; controlling the injection speed of the liquid in the syringe using the controller; detecting if an external device is connected; if an external device is connected, disabling the physical buttons of the injection pump control system and enabling the physical buttons of the external device, adjusting the injection speed of the liquid in the syringe in real time via the serial port of the external device. This application controls the injection pump via external physical buttons, allowing for a fully numeric keypad. However, the external keypad occupies space, increasing the size of miniature injection pumps that need to be portable. Furthermore, a separate keypad takes up more space than buttons integrated with the injection pump, making it unsuitable for scenarios with strict size requirements. Summary of the Invention

[0004] This application provides a miniature syringe pump and a control method to at least solve the problems of digital input technology in the prior art.

[0005] According to a first aspect of this application, a miniature injection pump is provided, including a control chip, a first numeric keypad, and a second numeric keypad. When the first numeric keypad is triggered, it sends a first signal to the control chip. When the second numeric keypad is triggered, it sends a second signal to the control chip. The first numeric keypad and the second numeric keypad are triggered sequentially a certain number of times within a certain period of time, or the same numeric keypad is triggered at least once within a certain period of time. It can send at least eight combined signals to the control chip. Under the first operation interface of the miniature injection pump, the first signal, the second signal, and the remaining eight combined signals correspond to inputting one of the numbers "0", "1", "2", "3", "4", "5", "6", "7", "8", and "9" into the system, respectively.

[0006] Compared with existing technologies, the micro-injection pump of this application has the following advantages: Without changing the number of buttons, the directional buttons are replaced with numeric buttons, or the directional buttons have numeric button functions in the first operating interface. Only two numeric buttons are set, reducing the most complex number input from requiring five directional switch triggers to only three, greatly improving efficiency. Two most frequently used numbers can be set, which can be directly input after triggering one switch. The next most frequently used number can be set, requiring two consecutive triggers within a certain time to complete the input. Ordinary numbers can be set, requiring different switches to be triggered sequentially within a certain time to complete the input. The remaining less frequently used numbers can be input by triggering three switches within a certain time. Compared to micro-injection pumps without numeric input, this significantly improves efficiency in parameter setting and adjustment, saving time in special situations. Furthermore, for personnel who frequently operate and use micro-injection pumps, simplifying parameter adjustment steps and time is also necessary. Traditional control buttons require continuous adjustment, while this application uses a code-based adjustment. The two trigger switches can represent "0" and "1" respectively; remembering the corresponding codes allows for quick adjustment to the corresponding parameters. More frequently used parameters can be input and adjusted with a single trigger, and the input speed is also improved even with fewer parameters, without requiring additional buttons that occupy significant space. Numeric input can be used to adjust parameters such as injection dosage and injection speed, significantly improving efficiency compared to step-by-step adjustments. It can also be used for other numerical input-related operations such as injection time and volume adjustment. In other words, within a designated interface, a code-based input method replaces the traditional step-by-step adjustment, significantly improving input efficiency. Furthermore, in emergency situations, it may be necessary to quickly administer a certain dose of medication, requiring rapid setup to avoid hindering emergency response. Injection dosages differ between adults and children, especially for children, where dosages vary with age. Directly halving the dosage may harm children; therefore, some medications require calculation based on the child's age, weight, and body surface area. Using the technical solution of this application greatly improves input efficiency when inputting the final value. Two buttons, triggered once, output two combined signals; triggered twice, four combined signals; triggered three times, eight combined signals, for a total of 14 combined signals. Therefore, commonly used numbers such as "20", "25", "30", and "50" can be directly input, further enhancing efficiency.

[0007] In one possible implementation, the first numeric keypad is set to zero, the second numeric keypad is set to one, the first numeric keypad is triggered once to input "0" into the system, triggered twice consecutively to input "2" into the system, triggered three times consecutively to input "6" into the system, the second numeric keypad is triggered once to input "1" into the system, triggered twice consecutively to input "5" into the system, triggered three times consecutively to input "8" into the system, the first numeric keypad is triggered once and then immediately triggered once to input "4" into the system, the second numeric keypad is triggered once and then immediately triggered once to input "3" into the system, the second numeric keypad is triggered twice after the first numeric keypad is triggered twice to input "7" into the system, and the second numeric keypad is triggered twice after the first numeric keypad is triggered once to input "9" into the system. Injection syringes are typically available in 50ml and 20ml sizes. Therefore, the maximum value that can be entered on the injection volume setting interface is 50. This means that after pressing the second number key twice consecutively, pressing the first number key will input "50". Since the code "110" does not exist, the software can be set to "11", which will be recognized as "5". Therefore, inputting "50" does not require a certain waiting time and can be done quickly. For example, if the continuous trigger condition is within 0.5 seconds, other number inputs require a 0.5-second wait. However, since the system cannot recognize "110", it can be recognized separately. Alternatively, the program can be edited to recognize "110" as "50". The program customization can make frequently used numbers more convenient and save a lot of time.

[0008] In one implementation, the first number key is designated as "1", and the second number key is designated as "3". When the first number key is pressed once, "1" is input to the system; when pressed twice consecutively, "2" is input; and when pressed three times consecutively, "8" is input. Similarly, when the second number key is pressed once, "3" is input; when pressed twice consecutively, "5" is input; and when pressed three times consecutively, "9" is input. If the first number key is pressed immediately after the second number key is pressed once, "4" is input; if the second number key is pressed once after the first number key is pressed once, "0" is input; if the second number key is pressed twice and then the first number key is pressed within a certain time interval, "7" is input; and if the first number key is pressed once and then the second number key is pressed twice within a certain time interval, "6" is input. For children's injection dosages, the distribution range is large, so different numerical inputs need to be considered. Furthermore, different doctors use different medications and different numbers with different frequencies, therefore, customization is possible according to the needs of different doctors.

[0009] According to a second aspect of this application, a miniature injection pump is provided, including a control chip, a first numeric keypad, a second numeric keypad, and a third numeric keypad. When the first numeric keypad is triggered, it sends a first signal to the control chip; when the second numeric keypad is triggered, it sends a second signal to the control chip; and when the third numeric keypad is triggered, it sends a third signal to the control chip. Two or three of the first, second, and third numeric keypads can be triggered sequentially within a certain time period, or the same numeric keypad can be triggered once or twice within a certain time period, enabling the transmission of at least seven combined signals to the control chip. Under the first operating interface of the miniature injection pump, the first, second, third, and remaining seven combined signals correspond to inputting one of the numbers “0”, “1”, “2”, “3”, “4”, “5”, “6”, “7”, “8”, or “9” into the system.

[0010] Compared with existing technologies, the micro-injection pump of this application has the following advantages: With only three numeric keys, the most complex number input is reduced from requiring five switch triggers to just two, significantly improving efficiency. Three frequently used numbers can be set, allowing direct input with a single switch trigger. This efficiency improvement is even more pronounced compared to micro-injection pumps without numeric input, saving time in special situations. Furthermore, simplifying parameter adjustment steps and time is essential for frequent operators of micro-injection pumps. Traditional control buttons require continuous adjustments, while this application uses a code-based adjustment system. Remembering the corresponding code allows for quick adjustment of the relevant parameters. For more parameter inputs, a single switch trigger is sufficient for faster adjustment; even with fewer parameters, speed is still improved without requiring significant space. Compared to two numeric keys, faster input is achieved. For commonly used 10 numbers, a single digit can be input with two switch triggers. For two-digit and larger numbers, customization is possible for frequent use, followed by direct output.

[0011] In one possible implementation, the first number key is designated as one, the second as two, and the third as five, arranged in an L-shape. This layout is identical to a conventional numeric keypad, facilitating operation and location confirmation.

[0012] In one possible implementation, triggering the first numeric key once inputs "1" to the system, and triggering it twice inputs "0". Triggering the second numeric key once inputs "2" to the system, and triggering it twice inputs "4". Triggering the first numeric key once and immediately triggering the second numeric key once inputs "3". Triggering the third numeric key once inputs "5" to the system, and triggering it twice inputs "8". Triggering the first numeric key once and immediately triggering the third numeric key once inputs "6". Triggering the third numeric key once and immediately triggering the second numeric key once inputs "7". Triggering the second numeric key once and immediately triggering the third numeric key once inputs "9". This makes inputting "50" and "20" more convenient, and other numeric inputs are also more convenient compared to existing technologies.

[0013] In one implementation, on the second operating interface of the micro-injection pump, a first signal corresponds to a leftward command input to the system, a second signal corresponds to a rightward command input to the system, and a third signal corresponds to a downward or upward command input to the system; or, the first signal corresponds to an upward command input to the system, the second signal corresponds to a downward command input to the system, and the third signal corresponds to a rightward or leftward command input to the system. This allows a single button to perform multiple functions, providing the corresponding functionality even without a digital input interface, thus reducing the number of buttons. This change can be implemented through system program editing.

[0014] In one embodiment, the miniature syringe pump also includes a confirmation button and a return button, which are located on the first side. The first, second, and third numeric keys are located on the front and are arranged in an arc shape. This button layout allows for easy one-handed operation by controlling the first, second, and third numeric keys with the thumb and controlling the confirmation and return buttons on the first side with the index and middle fingers.

[0015] According to a third aspect of this application, a control method for a micro-injection pump is provided. The micro-injection pump has at least a first operating interface and a second operating interface. On the first operating interface, at least some switches can directly input specified numbers into the system under different combinations of trigger sequences and trigger counts. On the second operating interface, the function of the aforementioned switches is switched to interface movement. Thus, a single button switch can not only realize the input of multiple numbers but also non-digital input functions. Compared with the prior art where numeric keys and function keys are independent, this achieves multi-functionality, making the micro-injection pump not only small in size but also easy to operate.

[0016] In one implementation, on the third operating interface, a custom settings state is entered. This allows for customization of the number keys based on different parameters across different operating interfaces or the frequency of individual number usage. This modifies the input method and numbers on different interfaces of the micro-injection pump; that is, the trigger sequence and number of times a certain number is entered on the first operating interface differs from the trigger sequence and number of times the same number is entered on the fourth operating interface. This customization function allows for appropriate adjustments to parameters based on usage frequency, better matching the user's specific needs and improving the efficiency of number input.

[0017] In one possible implementation, on the first operating interface, the parameter to be adjusted is displayed in the middle row of the screen, with multiple rows and columns of numbers displayed above and below the middle row. When the first button is triggered, the selected number position moves upward. When the second button is triggered, the selected number position moves horizontally. When the first button is triggered again, the selected number position moves further upward. When the second button is triggered first, the selected number position moves downward. When the first button is triggered, the selected number position moves horizontally. When the second button is triggered again, the selected number position moves further downward. At the same position, different numbers can be output depending on the button triggering order, thus forming a three-dimensional structure, not a two-dimensional planar space, which can accommodate more numbers.

[0018] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of this application, nor is it intended to limit the scope of this application. Other features of this application will become readily apparent from the following description. Attached Figure Description

[0019] The above and other objects, features, and advantages of exemplary embodiments of this application will become readily apparent from the following detailed description taken in conjunction with the accompanying drawings. Several embodiments of this application are illustrated in the drawings by way of example and not limitation, in which: In the accompanying drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

[0020] Figure 1 A schematic diagram of the composition structure of the micro-injection pump according to an embodiment of this application is shown; Figure 2 A schematic diagram of the injection body of the micro-injection pump according to an embodiment of this application is shown; Figure 3 A schematic diagram of the injection body of the micro-injection pump according to an embodiment of this application with half of the housing removed is shown; Figure 4 A three-dimensional schematic diagram of the micro-injection pump of Embodiment 4 of this application is shown; Figure 5A three-dimensional schematic diagram of the micro-injection pump of Embodiment 5 of this application is shown; Figure 6 A schematic diagram of the fifth operating interface of the micro injection pump of Embodiment 6 of this application is shown; Figure 7 A schematic diagram of the adjustment interface of an existing microinjection pump is shown; Figure 8 A schematic diagram of the first operating interface of the micro injection pump of Embodiment 7 of this application is shown; Figure 9 A schematic diagram of the seventh operating interface of the micro injection pump of Embodiment 8 of this application is shown.

[0021] Explanation of the labels in the diagram: 1. First numeric keypad; 2. Second numeric keypad; 3. Third numeric keypad; 4. Injection body; 5. Syringe; 6. Housing; 7. Display screen; 8. Driver; 9. Control circuit board; 10. First side; 11. Confirm button; 12. Power button; 13. Return button; 14. Front; 15. Top right; 16. Top left; 17. First push-button switch; 18. Second push-button switch. Detailed Implementation

[0022] To make the objectives, features, and advantages of this application more apparent and understandable, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0023] Example 1: like Figure 1 , Figure 2 and Figure 3As shown, a miniature injection pump includes an injection body 4 and a syringe 5. The syringe 5 can be a matching syringe, which can be one of 20 ml, 30 ml, and 50 ml. The injection body 4 includes a housing 6, a display screen 7, a drive unit 8, a control circuit board 9, a control chip, a first numeric keypad 1, and a second numeric keypad 2. The drive unit 8 can push the piston of the syringe 5 to move to complete the injection. The display screen 7, the control chip, the first numeric keypad 1, and the second numeric keypad 2 are electrically connected to the control circuit board 9. The control circuit board 9 controls the drive unit 8 to move at a specified speed. Each component is installed in the housing 6. After the first numeric keypad 1 is triggered, it sends a first signal to the control chip. After the second numeric keypad 2 is triggered, it sends a second signal to the control chip. The first numeric keypad 1 and the second numeric keypad 2 can be triggered sequentially a certain number of times within a certain period of time, or the same numeric keypad can be triggered at least once within a certain period of time. It can send at least eight combined signals to the control chip. Under the first operating interface of the miniature injection pump, the first signal, the second signal, and the remaining eight combined signals correspond to inputting one of the numbers "0", "1", "2", "3", "4", "5", "6", "7", "8", and "9" into the system, respectively. Miniature syringe pumps typically require a separate power on / off button to prevent accidental operation. Additionally, a confirmation button can be provided, and a return button can be added if there is still space available.

[0024] The miniature syringe pump uses the nRF52832 microcontroller and the low-power management framework of the nRF5 SDK. Employing an event-driven architecture, the CPU is in sleep mode most of the time, saving power. The system's programming supports single-click, double-click, and sequential key press detection, enabling precise timeout control. It is compiled using SEGGER Embedded Studio or command-line tools and debugged and logged using the J-Link debugger.

[0025] The interface of the micro infusion pump operating system includes a main interface, a settings interface, an air venting interface, a dressing change interface, and other non-parameter setting interfaces, as well as parameter setting interfaces such as injection time, injection speed, and injection dosage.

[0026] The first operation interface can be one of the following: injection speed adjustment interface, injection dosage adjustment interface, injection time adjustment interface, or volume adjustment interface. Of course, in some embodiments, the injection speed adjustment interface, injection dosage adjustment interface, and injection time adjustment interface are the same interface. You can enter the data in sequence. For default parameters or historical data that are correct, you can press the confirmation button to skip the settings, which is more convenient and faster.

[0027] In one possible implementation, the first numeric keypad 1 is set to zero, the second numeric keypad 2 is set to one, the first numeric keypad 1 is triggered once to input "0" to the system, triggered twice consecutively to input "2" to the system, triggered three times consecutively to input "6" to the system, the second numeric keypad 2 is triggered once to input "1" to the system, triggered twice consecutively to input "5" to the system, triggered three times consecutively to input "8" to the system, the first numeric keypad 1 is triggered once immediately after the second numeric keypad 2 is triggered once to input "4" to the system, the second numeric keypad 2 is triggered once immediately after the first numeric keypad 1 is triggered once to input "3" to the system, the second numeric keypad 2 is triggered twice within a certain time after the first numeric keypad 1 is triggered twice to input "7" to the system, and the second numeric keypad 2 is triggered twice within a certain time after the first numeric keypad 1 is triggered once to input "9" to the system.

[0028] The numbers “0” and “1” are used frequently, so a single press can be used to trigger them. For injection speed, the frequency of other numbers is harder to quantify; “2” and “5” are used slightly more often, so they can be triggered during continuous presses. The press interval can be controlled between 0.5 and 1 second. Shorter intervals result in higher input efficiency, but require the user to be proficient in the input method. Longer intervals affect efficiency. For example, when inputting “25”, if the first number key (1) is pressed twice within the interval, and since the three-trigger switch also has corresponding number inputs, the second number key (2) is pressed twice after the interval. Manually controlling the waiting time is not ideal. Even if set to 1 second, to avoid errors, the operator may actually wait two seconds or even longer. When set to 0.5 seconds, the operator can pause slightly before inputting the next number. Therefore, the interval can be set according to personal preference.

[0029] The micro-injection pump system can be set with multiple operating interfaces. The first numeric keypad 1 and the second numeric keypad 2 have different functions on different operating interfaces. These functions can be implemented through system program editing, which can reduce the number of control buttons on the micro-injection pump.

[0030] Example 2: The difference from Embodiment 1 is that the first number key 1 is one, the second number key 2 is three, the first number key 1 is triggered once to input "1" into the system, triggered twice consecutively to input "2" into the system, triggered three times consecutively to input "8" into the system, the second number key 2 is triggered once to input "3" into the system, triggered twice consecutively to input "5" into the system, triggered three times consecutively to input "9" into the system, triggered once and immediately after triggering the second number key 2 to trigger the first number key 1 to input "4" into the system, triggered once and immediately after triggering the first number key 1 to trigger the second number key 2 to trigger the second number key 2 to trigger the second number key 2 to trigger the first number key 1 within a certain time to input "7" into the system, triggered once and immediately after triggering the first number key 1 to trigger the second number key 2 ...

[0031] This setting method, where you input "1", "2", "3", and "5", is quite convenient and is usually useful when setting the injection speed.

[0032] Example 3: For ease of memorization, the first number key 1 is "one", the second number key 2 is "three", pressing the first number key 1 once inputs "1" to the system, pressing it twice consecutively inputs "2" to the system, and pressing it three times consecutively inputs "0" to the system. Pressing the second number key 2 once inputs "3" to the system, pressing it twice consecutively inputs "6" to the system, and pressing it three times consecutively inputs "9" to the system. Pressing the second number key 2 once and then immediately pressing the first number key 1 once inputs "4" to the system. Pressing the first number key 1 once and then immediately pressing the second number key 2 once inputs "8" to the system. Pressing the second number key 2 twice and then pressing the first number key 1 within a certain time period inputs "7" to the system. Pressing the first number key 1 twice and then pressing it twice within a certain time period inputs "5" to the system. Except for "0" and "8", which do not follow the addition rule, all other numbers can be entered according to the addition rule. That is, "1+1" is entered as "2", "2+2" is entered as "4", "3+3" is entered as "6", "3+3+3" is entered as "9", "1+1+3" is entered as "5", and "3+3+1" is entered as "7". The input method for "5" can also be changed to "3+1+1", and the input method for "7" can also be changed to "1+3+3". In this way, you can quickly master the input skills and achieve fast input.

[0033] Example 4: like Figure 4As shown, a miniature injection pump includes a control chip, a first numeric keypad 1, a second numeric keypad 2, and a third numeric keypad 3. When the first numeric keypad 1 is triggered, it sends a first signal to the control chip; when the second numeric keypad 2 is triggered, it sends a second signal to the control chip; and when the third numeric keypad 3 is triggered, it sends a third signal to the control chip. Two or three of the first numeric keypad 1, second numeric keypad 2, and third numeric keypad 3 can be triggered sequentially within a certain time period, or the same numeric keypad can be triggered once or twice within a certain time period, enabling the transmission of at least seven combined signals to the control chip. On the first operating interface of the miniature injection pump, the first signal, the second signal, the third signal, and the remaining seven combined signals correspond to inputting one of the numbers "0", "1", "2", "3", "4", "5", "6", "7", "8", or "9" into the system, respectively.

[0034] Additionally, depending on the frequency of use, frequently used numbers such as "20" and "50" can be directly output using combination keys. Three number keys can be selected for combination. There are 9 combination signals when the trigger switch is triggered twice, and 3 combination signals when the trigger switch is triggered once, for a total of 12 combination signals can be output. Ten numbers can use 10 signals, and the remaining two signals can be set to "20" and "50". For some usage scenarios with multiple high-frequency numbers, the number input can be performed by triggering three times, which can realize the direct input of 27 high-frequency numbers. Too many number input methods are also troublesome to remember, so you can selectively set them according to specific needs.

[0035] like Figure 4 As shown, in one possible implementation, the first number key 1 is one, the second number key 2 is two, and the third number key 3 is five, and the first number key 1, the second number key 2, and the third number key 3 are arranged in an L-shape.

[0036] In one possible implementation, when the first numeric keypad 1 is triggered once, it inputs "1" to the system; when triggered twice, it inputs "0" to the system. When the second numeric keypad 2 is triggered once, it inputs "2" to the system; when triggered twice, it inputs "4" to the system. When the first numeric keypad 1 is triggered once and the second numeric keypad 2 is triggered once, it inputs "3" to the system. When the third numeric keypad 3 is triggered once, it inputs "5" to the system; when triggered twice, it inputs "8" to the system. When the first numeric keypad 1 is triggered once and the third numeric keypad 3 is triggered once, it inputs "6" to the system. When the third numeric keypad 3 is triggered once and the second numeric keypad 2 is triggered once, it inputs "7" to the system. When the second numeric keypad 2 is triggered once and the third numeric keypad 3 is triggered once, it inputs "9" to the system.

[0037] This input method allows for inputting all numbers in two triggers and is relatively easy to remember. Specifically, a single trigger of the first number key 1 inputs "1", a single trigger of the second number key 2 inputs "2", and a single trigger of the third number key 3 inputs "5". Input trigger settings for addition operations include: a single trigger of the first number key 1 followed by a single trigger of the second number key 2 inputs "3", a single trigger of the first number key 1 followed by a single trigger of the third number key 3 inputs "6", triggering the third number key 3 once followed immediately by a single trigger of the second number key 2 inputs "7", and triggering the second number key 2 twice inputs "4". The following settings need to be memorized separately: triggering the second number key 2 once followed immediately by a single trigger of the third number key 3 inputs "9", triggering the third number key 3 twice inputs "8", and triggering the first number key 1 twice inputs "0". These settings can be modified according to personal habits or usage frequency. This implementation method is for reference only.

[0038] When adjusting the injection speed, it may be necessary to use "0" frequently. Since zero input is frequent, in order to increase the input speed, triggering the first number key 1 twice will input "0", and triggering the first number key 1 four times will still input "00" without pausing. In addition, triggering the first number key 1 more than twice can identify from back to front and count the output "0". In this way, multiple zeros can be input quickly.

[0039] In one embodiment, on the second operating interface of the micro-injection pump, the first signal corresponds to inputting a leftward command to the system, the second signal corresponds to inputting a rightward command to the system, and the third signal corresponds to inputting a downward or upward command to the system.

[0040] In one possible implementation, on the second operating interface of the micro-injection pump, the first signal corresponds to an upward command input to the system, the second signal corresponds to a downward command input to the system, and the third signal corresponds to a right or left command input to the system.

[0041] like Figure 4 As shown, in one embodiment, the first side 10 of the micro injection pump is also provided with a confirmation button 11 and a power button 12, and the first numeric keypad 1, the second numeric keypad 2 and the third numeric keypad 3 are located on the same front side as the display screen 7.

[0042] Example 5: like Figure 5As shown, the injection body 4 of the miniature injection pump is 60mm wide, 35mm thick, and 75mm long, and can be held with one hand. Taking the right hand as an example, the left top 16 of the miniature injection pump is located near the palm, and the right top 15 of the miniature injection pump is located near the proximal phalanx joint of the middle finger. The hand size of different adults varies slightly, so it is necessary to ensure that the proximal phalanx of the thumb is close to the left top 16 and the proximal phalanx joint of the middle finger is close to the right top 15. The injection body 4 is also equipped with a confirmation button 11 and a return button 13. The confirmation button 11 and the return button 13 are located on the first side 10. The first number key 1, the second number key 2, and the third number key 3 are located on the front 14. The first number key 1, the second number key 2, and the third number key 3 are arranged along an arc, so that the first number key 1, the second number key 2, or the third number key 3 can be triggered at different positions by rotating the thumb, which is more convenient and faster. The return button 13 and the confirmation button 11 are controlled by the index finger and the middle finger, respectively. The index finger is shorter than the middle finger, so the button is located closer to the right top 15.

[0043] Example 6: A control method for a micro-injection pump, wherein the micro-injection pump is provided with at least a first operating interface and a second operating interface. Under the first operating interface, parameters such as injection speed, injection dose, and injection time can be adjusted. At least some switches can directly input specified numbers to the system under different combinations of triggering sequences and triggering times. Under the second operating interface, the functions of the aforementioned switches are switched to interface movement, return, or exit operations.

[0044] In one implementation, the third operating interface is the system's internal settings page. This non-parameter adjustment page allows for custom settings, enabling users to adjust parameters based on different operating interfaces or personal usage frequency for each number key. This modifies the input method and numbers on different interfaces of the micro-injection pump; specifically, the trigger sequence and number of times a certain number is entered on the first operating interface differs from the trigger sequence and number of times the same number is entered on the fourth operating interface. The fourth operating interface is a customizable and editable input method interface.

[0045] like Figure 6As shown, in the fifth operation interface, the parameter settings are sorted according to usage frequency. "Speed ​​1" is the most frequently used injection speed, while "Speed ​​2" is used less frequently than "Speed ​​1." To use "Speed ​​2," simply trigger the down switch. This allows for direct selection of the appropriate parameter for injection, which is more convenient and faster than directly inputting parameters. In this interface, the first number key 1, the second number key 2, or the third number key 3 can be used as up, down, left, and right navigation keys. For customized operations, move up to the customized position and press the confirmation button 11 to enter the customized settings. Injection dosage and injection time can be set individually, or two of the injection speed, dosage, and time can be selected.

[0046] Example 7: like Figure 7 As shown, most existing micro-injection pumps use up and down buttons to adjust parameters, and their operation interface is a one-dimensional interface. This means that some of the digital input buttons need to be triggered five times, making the operation rather cumbersome.

[0047] like Figure 8 As shown, in one possible implementation, in the first operation interface, the adjusted parameter is displayed in the middle row of the screen, with multiple rows and columns of numbers displayed above and below the middle row, thus forming a multi-dimensional operation interface. When the first button switch 17 is triggered first, the selected number position moves upward. At this time, when the second button switch 18 is triggered, the selected number position can be moved horizontally. When the first button switch 17 is triggered again, the selected number position moves further upward. When the second button switch 18 is triggered first, the selected number position moves downward. At this time, when the first button switch 17 is triggered, the selected number position can be moved horizontally. When the second button switch 18 is triggered again, the selected number position moves further downward. For inputting the decimal part, the confirmation button 11 can be used to confirm the integer part before inputting it. If the decimal part does not need to be set, the confirmation button 11 can be double-clicked.

[0048] In one embodiment, the first button switch 17 is equipped with upward and leftward arrows, and the second button switch 18 is equipped with downward and rightward arrows. The middle row is the starting point. The numbers above are arranged from left to right: the first digit of the first upward row is "0", the second digit is "3", the first digit of the second upward row is "2", the second digit of the second upward row is "7", and the first digit of the third upward row is "6". The numbers below are arranged from right to left: the first digit of the first downward row is "1", the second digit is "4", the first digit of the second downward row is "5", the second digit of the second downward row is "9", and the first digit of the third downward row is "8". This eliminates the need for memorization; the desired numbers can be obtained simply by moving the switch in the installation direction.

[0049] Example 7: like Figure 9 As shown, the difference from Embodiment 6 is that in the seventh operation interface, the first button switch 17 is set with upward and right arrows, and the second button switch 18 is set with downward and right arrows. Therefore, horizontal movement can only be to the right, avoiding confusion between left and right movements. In addition to single-digit numbers, commonly used numbers such as "20" and "50" can also be directly input using this method. To input "20", first trigger the first button switch 17 once, and then trigger the second button switch 18 twice. There are also two input modes: input via the confirmation button or automatic input after a timeout. Using the confirmation button means triggering the confirmation button after moving to the corresponding number. Automatic input requires a movement time interval. For example, to input "50", first trigger the second button switch 18 once, and then trigger the first button switch 17 once within a 0.5-second interval, and finally trigger the first button switch 17 once within a 0.5-second interval. After 0.5 seconds, "50" will be automatically input, which is more convenient. Compared with Embodiment 1, this method does not require memorization. After mastering the method, one can directly move and input according to the display screen 7.

[0050] like Figure 9 As shown, the seventh operation interface is a three-dimensional operation interface, not a two-dimensional planar operation interface. "7" and "25" are in the same position, but the triggering methods are different. The first button switch 17 is triggered twice before the second button switch 18 is triggered once to input "7". The second button switch 18 is triggered twice before the first button switch 17 is triggered once to input "25". "9" and "40" are also in the same position, but the switch triggering order is different.

[0051] In this embodiment, the order of numbers can be based entirely on usage frequency. The more frequently used numbers are placed closer to the middle row, requiring fewer button switches to be triggered. Since the interface displays all numbers, there's no need to remember the specific operation methods for each number; simply trigger the switches according to the direction. The time adjustment, injection dosage, and injection speed interfaces have different numbers used with varying frequencies. For example, in the time adjustment interface, "0", "1", and "2" are used most frequently, followed by "3", "4", and "5", while "6", "7", "8", and "9" are used less often. "30" and "20" also have some usage frequency. For injection speed, "1", "0", "5", and "10" are used slightly more frequently. Different drugs also have different speeds, with a wide range, but relatively speaking, different departments also have different usage frequencies. The number order can be customized to suit different user groups. For injection dosage, "20 ml", "30 ml", and "50 ml" are usually used most frequently, while "5 ml" and "10 ml" also have some usage frequency. Therefore, different ordering of numbers on each interface makes operation more convenient.

[0052] It should be understood that the various forms of processes shown above can be used to rearrange, add, or delete steps. For example, the steps described in this application can be executed in parallel, sequentially, or in different orders, as long as the desired result of the technical solution of this application can be achieved, and this is not limited herein.

[0053] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0054] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A miniature syringe pump, characterized in that, It includes a control chip, a first digital button (1) and a second digital button (2). After the first digital button (1) is triggered, it transmits a first signal to the control chip. After the second digital button (2) is triggered, it transmits a second signal to the control chip. The first digital button (1) and the second digital button (2) are triggered alternately several times in sequence within a certain period of time, or the same digital button is triggered at least once within a certain period of time, and at least eight combinations of signals can be transmitted to the control chip. Under the first operation interface of the micro-injection pump, the first signal, the second signal and the remaining eight combinations of signals respectively correspond to inputting one of the numbers "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" into the system.

2. The micro-injection pump according to claim 1, characterized in that, The first digital button (1) is "zero", and the second digital button (2) is "one". When the first digital button (1) is triggered once, "0" is input into the system. When the first digital button (1) is continuously triggered twice, "2" is input into the system. When the first digital button (1) is continuously triggered three times, "6" is input into the system. When the second digital button (2) is triggered once, "1" is input into the system. When the second digital button (2) is continuously triggered twice, "5" is input into the system. When the second digital button (2) is continuously triggered three times, "8" is input into the system. After the second digital button (2) is triggered once, when the first digital button (1) is immediately triggered, "4" is input into the system. After the first digital button (1) is triggered once, when the second digital button (2) is immediately triggered, "3" is input into the system. After the first digital button (1) is triggered twice, when the second digital button (2) is triggered within a certain period of time, "7" is input into the system. After the first digital button (1) is triggered once, when the second digital button (2) is triggered twice within a certain period of time, "9" is input into the system.

3. The micro-injection pump according to claim 1, characterized in that, The first digital button (1) is "one", and the second digital button (2) is "three". When the first digital button (1) is triggered once, "1" is input into the system. When the first digital button (1) is continuously triggered twice, "2" is input into the system. When the first digital button (1) is continuously triggered three times, "8" is input into the system. When the second digital button (2) is triggered once, "3" is input into the system. When the second digital button (2) is continuously triggered twice, "5" is input into the system. When the second digital button (2) is continuously triggered three times, "9" is input into the system. After the second digital button (2) is triggered once, when the first digital button (1) is immediately triggered, "4" is input into the system. After the first digital button (1) is triggered once, when the second digital button (2) is immediately triggered, "0" is input into the system. After the second digital button (2) is triggered twice, when the first digital button (1) is triggered within a certain period of time, "7" is input into the system. After the first digital button (1) is triggered once, when the second digital button (2) is triggered twice within a certain period of time, "6" is input into the system.

4. A miniature syringe pump, characterized in that, It includes a control chip, a first digital button (1), a second digital button (2), and a third digital button (3). After the first digital button (1) is triggered, it sends a first signal to the control chip. After the second digital button (2) is triggered, it sends a second signal to the control chip. After the third digital button (3) is triggered, it sends a third signal to the control chip. When two or three of the first digital button (1), the second digital button (2), and the third digital button (3) are triggered successively within a certain time, or when the same digital button is triggered once or twice within a certain time, at least seven combined signals can be sent to the control chip. Under the first operation interface of the micro-injection pump, the first signal, the second signal, the third signal, and the remaining seven combined signals respectively correspond to inputting one of the numbers "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" into the system.

5. The micro-injection pump according to claim 4, characterized in that, The first digital button (1) is "one", the second digital button (2) is "two", and the third digital button (3) is "five". When the first digital button (1) is triggered once, "1" is input into the system. When the first digital button (1) is triggered twice, "0" is input into the system. When the second digital button (2) is triggered once, "2" is input into the system. When the second digital button (2) is triggered twice, "4" is input into the system. When the second digital button (2) is triggered immediately after the first digital button (1) is triggered once, "3" is input into the system. When the third digital button (3) is triggered once, "5" is input into the system. When the third digital button (3) is triggered twice, "8" is input into the system. When the third digital button (3) is triggered immediately after the first digital button (1) is triggered once, "6" is input into the system. When the second digital button (2) is triggered immediately after the third digital button (3) is triggered once, "7" is input into the system. When the third digital button (3) is triggered immediately after the second digital button (2) is triggered once, "9" is input into the system.

6. The micro-injection pump according to claim 5, characterized in that, Under the second operation interface of the micro-injection pump, the first signal corresponds to inputting a leftward command into the system, the second signal corresponds to inputting a rightward command into the system, and the third signal corresponds to inputting a downward or upward command into the system; or under the second operation interface of the micro-injection pump, the first signal corresponds to inputting an upward command into the system, the second signal corresponds to inputting a downward command into the system, and the third signal corresponds to inputting a rightward or leftward command into the system.

7. The micro-injection pump according to claim 6, characterized in that, The micro-injection pump further includes a confirmation button (11) and a return button (13). The confirmation button (11) and the return button (13) are arranged on the first side surface (10). The first digital button (1), the second digital button (2), and the third digital button (3) are located on the front surface (14). The first digital button (1), the second digital button (2), and the third digital button (3) are arranged along an arc.

8. A control method for a micro-injection pump, characterized in that, The micro-injection pump is provided with at least a first operating interface and a second operating interface. On the first operating interface, at least some of the switches can directly input a specified number to the system under different combinations of triggering sequence and number of triggers. On the second operating interface, the functions of the aforementioned switches are switched to interface movement, return, or exit operations.

9. The micro-injection pump control method according to claim 8, characterized in that, In the third operating interface, you can enter the custom settings state, which allows you to adjust the parameters of each number key according to different operating interfaces or the frequency of using different numbers by the user. This allows you to modify the input method and numbers of the micro injection pump under different interfaces. That is, the combination of the switch triggering order and triggering number when a certain number is input under the first operating interface is different from the combination of the switch triggering order and triggering number when the same number is input under the fourth operating interface.

10. The micro-injection pump control method according to claim 8, characterized in that, In the first operation interface or the seventh operation interface, the adjusted parameters are displayed in the middle row of the screen. Multiple rows and columns of numbers are displayed above the middle row and multiple rows and columns of numbers are displayed below the middle row. When the first button switch (17) is triggered first, the selected number position moves upward. At this time, when the second button switch (18) is triggered, the selected number position can be moved horizontally. When the first button switch (17) is triggered again, the selected number position moves further upward. When the second button switch (18) is triggered first, the selected number position moves downward. At this time, when the first button switch (17) is triggered, the selected number position can be moved horizontally. When the second button switch (18) is triggered again, the selected number position moves further downward.

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