CN214857376U - Syringe mis-push alarm system and device - Google Patents
Syringe mis-push alarm system and device Download PDFInfo
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- CN214857376U CN214857376U CN202023338632.9U CN202023338632U CN214857376U CN 214857376 U CN214857376 U CN 214857376U CN 202023338632 U CN202023338632 U CN 202023338632U CN 214857376 U CN214857376 U CN 214857376U
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Abstract
The embodiment of the utility model discloses syringe mistake pushes away alarm system and equipment. The utility model discloses an alarm system for the error pushing of an injector, which comprises an injector control system, a driving motor, the injector, a displacement measurer and a push rod error alarm system, wherein the injector control system generates a driving signal to drive the driving motor to operate; the driving motor drives a push rod of the injector to move within a preset displacement amount in the operation process; the displacement measurer detects the actual displacement of the push rod of the injector and inputs the actual displacement to the injector control system; the injector control system judges whether the actual displacement is equal to the preset displacement; if not, the push rod error alarm system generates an alarm signal. The utility model discloses a syringe mistake pushes away alarm system and equipment, through the actual displacement volume of the push rod of judging the syringe with predetermine the displacement volume and whether equal produce alarm signal, realized that the mistake pushes away the warning.
Description
Technical Field
The utility model relates to the field of medical treatment, especially, relate to syringe mistake pushes away alarm system and equipment.
Background
The injector is the most commonly used equipment in the medical field, medical staff utilizes the injector to carry out various injection operations on patients, at present, the injector is manually operated, however, the manual operation is usually influenced by the proficiency of operators, the skilled operators generally have higher propelling speed on the injector, the careless operators generally have lower propelling speed on the injector, and the careless operators have higher propelling speed and lower propelling speed, so that the condition of uneven propelling speed is difficult to avoid by manual operation, but once the condition of uneven propelling speed on the injector occurs, the comfort degree of the patients during injection is influenced, and various uncomfortable conditions of the patients occur.
The lung radiofrequency ablation treatment is an accurate minimally invasive operation which accurately transmits radiofrequency energy to a tumor target area to implement a minimally invasive ablation operation under the guidance of images. During the ablation process, a syringe is needed to inject physiological saline into the physiological tissue through the ablation catheter to maintain the stability of the temperature and impedance of the physiological tissue. However, the flow rate of the physiological saline injected by the injector is not controlled by the radio frequency ablation equipment at present, and the alarm processing is not carried out on the push rod of the injector moved by external force.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an alarm system and equipment are pushed away to syringe mistake, whether the actual displacement volume through judging the push rod of injection module equals with the predetermined displacement volume and produces alarm signal, have realized that the mistake pushes away the warning.
The embodiment of the utility model provides an alarm system for the error pushing of an injector, wherein the alarm system for the error pushing of the injector comprises an injector control system, a driving motor, the injector, a displacement measurer and a push rod error alarm system, wherein,
the injector control system is connected with the driving motor and is used for generating a driving signal to drive the driving motor to operate;
the driving motor is connected with the injector and is used for driving a push rod of the injector to move within a preset displacement amount in the operation process;
the displacement measurer is connected with the injector and used for detecting the actual displacement of the push rod of the injector and inputting the actual displacement to the injector control system;
the injector control system is also used for judging whether the actual displacement is equal to the preset displacement;
and the push rod error alarm system is connected with the injector control system and is used for generating an alarm signal if the judgment of the injector control system is unequal.
In one possible embodiment, the displacement measuring device comprises a grating sensor.
In one possible approach, the grating sensor comprises a grating and a displacement scale.
In a feasible scheme, one end of the displacement graduated scale is fixedly connected with a bottle opening of the injector, and the starting scale on the other end of the displacement graduated scale is aligned with a push rod of the injector.
In a feasible scheme, the optical grating is fixedly connected with a push rod of the injector, and the push rod of the injector pushes the optical grating to move on the displacement scale in the moving process so as to detect the actual displacement of the push rod of the injector.
In a feasible scheme, the syringe mispushing alarm system further comprises a radio frequency ablation device control system, and the radio frequency ablation device control system is connected with the syringe control system and used for controlling the syringe control system to generate a driving signal for the driving motor.
In a possible solution, the control system of the radiofrequency ablation device includes a self-enabling foot switch circuit, the circuit includes a foot switch and a control chip, wherein one end of the foot switch is connected to an input end of the control chip, a user controls the on/off of the foot switch by stepping on the foot switch, and the control chip performs the switching operation between the enabled state and the disabled state according to different voltage values received by the input end when the foot switch is detected to be on or off.
In a possible solution, the circuit further includes a status indicator light, the status indicator light is connected to the control chip, the control chip controls the status indicator light to display a first color when switching to the enabled state, and the control chip controls the status indicator light to display a second color when switching to the disabled state, the first color being different from the second color.
In a feasible scheme, the circuit further includes a pull-down resistor, one end of the pull-down resistor is connected to one end of the foot switch, the other end of the pull-down resistor is grounded, the other end of the foot switch is connected to a power supply, when the foot switch is closed, the voltage received by the input end of the control chip is the voltage of the power supply, and when the foot switch is opened, the voltage received by the input end of the control chip is 0.
In a feasible scheme, the circuit further includes a pull-down resistor, one end of the pull-down resistor is connected to one end of the foot switch, the other end of the pull-down resistor is connected to the power supply, the other end of the foot switch is grounded, when the foot switch is closed, the voltage received by the input end of the control chip is 0, and when the foot switch is opened, the voltage received by the input end of the control chip is the divided voltage divided by the pull-down resistor.
In addition, the embodiment of the utility model provides an equipment is still provided, wherein, equipment includes aforementioned syringe mistake and pushes away alarm system.
According to the above technical scheme, the utility model discloses a technical scheme whether the actual displacement volume of the push rod through judging the syringe equals with the predetermined displacement volume and produces alarm signal, has realized that the mistake pushes away the warning.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an injector mis-pushing alarm system in a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a self-enabling foot switch circuit according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a self-enabling foot switch circuit according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
The following will explain the syringe mistake pushing alarm system and device provided by the present invention in detail.
Please refer to fig. 1, which is a schematic structural diagram of an injector mis-pushing alarm system according to a first embodiment of the present invention.
In the embodiment, the syringe mis-pushing alarm system 1 comprises a syringe control system 2, a driving motor 3, a syringe 4, a displacement measurer 5, a push rod mis-alarming system 6 and a radio frequency ablation device control system 7.
And the injector control system 2 is used for generating a driving signal to drive the driving motor 3 to operate.
In this embodiment, the injector control system 2 is connected to the drive motor 3, and the drive signal generated by the injector control system 2 is used to drive the drive motor 3 for operation.
The driving motor 3 is used for driving the push rod 41 of the injector 4 to move within a preset displacement amount during operation.
In the present embodiment, the driving motor 3 is connected to the plunger 41 of the syringe 4, and the driving motor 3 drives the plunger 41 of the syringe 4 to move within a predetermined displacement during the operation, wherein the predetermined displacement represents a displacement required for the plunger 41 of the syringe 4 to move, and the predetermined displacement can be obtained by calculation, and the liquid in the syringe 4 is injected into the patient under the action of the movement of the plunger 41, and how much of the predetermined displacement laterally represents the amount of the liquid in the syringe 4 injected into the patient, and usually the amount is a fixed amount.
A displacement measuring device 5 for detecting the actual displacement of the push rod 41 of the injector 4 and inputting the actual displacement to the injector control system 2;
in the present embodiment, the displacement measuring device 5 is for detecting the amount of displacement, and the displacement measuring device 5 includes a grating sensor that measures displacement using the principle of grating-grating fringes. Of course, the displacement measuring device 5 may be other types of devices for detecting the amount of displacement besides the grating sensor, and is not limited herein.
In this embodiment, the grating sensor includes a grating 51 and a displacement scale 52, one end of the displacement scale 52 is fixedly connected to the mouth of the syringe 4, a start scale on the other end of the displacement scale 52 is aligned with the push rod 41 of the syringe 4, the grating 51 is fixedly connected to the push rod 41 of the syringe 4, and the push rod 41 of the syringe 4 pushes the grating 51 to move on the displacement scale in the moving process so as to detect the actual displacement of the push rod 41 of the syringe 4.
In this embodiment, the push rod 41 of the injector 4 is driven by the driving motor 3 to move forward along the horizontal direction, so that the liquid in the injector 4 is discharged and injected into the body of the patient, meanwhile, the movement of the push rod 41 of the injector 4 also drives the relative movement of the optical grating 51, the optical grating 51 can convert the position information of itself into a voltage signal in time and send the voltage signal to the injector control system 2, and the injector control system 2 determines the relative displacement of the optical grating, that is, the actual displacement according to the voltage signal. This way, it is possible to avoid undesired therapeutic effects caused by the change of the flow rate of the injected saline due to the movement (e.g., undesired movement) of the push rod 41 of the injector 4 during the rf ablation treatment.
The injector control system 2 is further configured to determine whether the actual displacement is equal to the predetermined displacement.
A push rod error alarm system 6 for generating an alarm signal if they are not equal.
In this embodiment, when the injector control system 2 determines that the actual displacement is not equal to the preset displacement, the injector control system 2 sends out information to enable the push rod error alarm system 6 to generate an alarm signal, such as an alarm sound or an alarm light, or both an alarm sound and an alarm light, so that the mechanical fault or the motor fault of the injector 4 can be found immediately, and meanwhile, the defect that the radio frequency ablation device in the prior art cannot receive the working fault from the injector is overcome, and the aim of timely adjusting the working state in the ablation process is fulfilled. In this embodiment, the push rod error alarm system 6 can ensure that the rf ablation device can know the abnormal condition of the injector 4 in time during the rf ablation procedure.
If equal, no action is taken.
In this embodiment, when the injector control system 2 determines that the actual displacement is equal to the predetermined displacement, it indicates that the movement of the plunger 41 of the injector 4 during the rf ablation treatment is the expected movement.
In this embodiment, the syringe mispushing alarm system 1 further includes a radio frequency ablation device control system 7, and the radio frequency ablation device control system 7 is connected to the syringe control system 2 and is configured to control the syringe control system 2 to generate a driving signal to the driving motor 3.
In the embodiment, when the push rod error alarm system 6 generates an alarm signal, the push rod error alarm system 6 simultaneously sends the alarm signal to the radio frequency ablation device control system 7, so that the communication and interaction between the injector 4 and the radio frequency ablation device control system 7 are realized, and a cooperative working effect is generated, thereby overcoming the defect that the injector 4 does not have the function of communicating with the radio frequency ablation device as an independent working device in the prior art, realizing the communication between the injector 4 and the radio frequency ablation device control system 7, and providing necessary information for the working state of the radio frequency ablation device.
The radiofrequency ablation device control system 7 includes a self-enabling foot switch circuit, which is described in detail below.
Please refer to fig. 2, which is a schematic structural diagram of a self-enabling foot switch circuit according to a second embodiment of the present invention.
In this embodiment, the self-enabling foot switch circuit includes a foot switch and a control chip (e.g., a control MCU), wherein one end of the foot switch is connected to an input end of the control chip, a user controls the foot switch to be turned on or off by stepping on the foot switch, and the control chip performs the switching operation between the enabled state and the disabled state according to different voltage values (including a preset number of times) received by the input end (e.g., a point a in fig. 2) when the foot switch is turned on or turned off. In this embodiment, the enabled state means enabled and operable for start or stop, and the disabled state means disabled and ineffective for start or stop. The switching operation of the enabling state or the non-enabling state is carried out by detecting different voltage values (including preset times) received by the input end when the foot switch is switched on or switched off, so that potential safety hazards in the using process of equipment are avoided, the safety is guaranteed, and the working efficiency is improved.
In this embodiment, the self-enabling foot switch circuit further includes a status indicator light, the status indicator light is connected to the control chip, the control chip controls the status indicator light to display a first color when switching to the enabled state, and the control chip controls the status indicator light to display a second color when switching to the disabled state, where the first color is different from the second color. In the present embodiment, the status indicator lamp is, for example, an LED lamp, the first color is, for example, green, and the second color is, for example, red. Through the color display of the status indicator lamp, the safety of the equipment in the using process can be improved.
In this embodiment, the self-enabling foot switch circuit further includes a pull-down resistor (e.g., resistor R1 in fig. 2), one end of the pull-down resistor is connected to one end of the foot switch (e.g., point a in fig. 2), the other end of the pull-down resistor is grounded, and the other end of the foot switch is connected to a power supply (e.g., power supply VCC in fig. 2). By arranging the pull-down resistor, the safety of the equipment in the using process can be improved.
In this embodiment, when the foot switch is turned on, the voltage received by the input terminal of the control chip is the voltage VCC of the power supply, and when the foot switch is turned off, the voltage received by the input terminal of the control chip is 0. The safety of the equipment in the using process is improved by judging the voltage received by the input end.
In this embodiment, if the number of times that the input terminal of the control chip detects the voltage VCC received from the power supply within the preset time is equal to the preset first number, the control chip performs the start operation or the stop operation. In this embodiment, the preset time is, for example, 3 seconds, the preset first time is, for example, 1 time, if the number of times that the input terminal of the control chip detects that the voltage VCC of the power supply is received within 3 seconds is equal to 1 time, it is determined that the step-on mode is click-on, and after it is determined that the step-on mode is click-on, the control chip performs start operation or pause operation, and controls the radio frequency ablation instrument to perform start ablation operation or controls the radio frequency ablation instrument to perform pause ablation operation. The safety of the equipment in the using process is improved by setting the preset time and the preset first time.
In this embodiment, if the number of times that the input terminal of the control chip detects the voltage VCC received from the power supply within the preset time is equal to the preset second number of times, the control chip performs the switching operation between the enabled state and the disabled state. In this embodiment, the preset time is, for example, 3 seconds, the preset second time is, for example, 2 times, if the number of times that the input terminal of the control chip detects that the voltage VCC of the power supply is received within 3 seconds is equal to 2 times, it is determined that the stepping mode is a double-click stepping, and after it is determined that the stepping mode is a double-click stepping, the control chip performs the switching operation between the enabled state and the disabled state, and controls the rf ablation instrument to perform the ablation operation. The safety of the equipment in the using process is improved by setting the preset time and presetting the second time.
In this embodiment, the preset time is, for example, 3 seconds, if the input terminal of the control chip detects that the voltage received within 3 seconds is always the voltage VCC of the power supply, and there is no interruption in the middle, it is determined that the stepping manner is long-press stepping, and after it is determined that the stepping manner is long-press stepping, the control chip controls the rf ablatograph to resume ablation parameter operation.
Please refer to fig. 3, which is a schematic structural diagram of a self-enabling foot switch circuit according to a third embodiment of the present invention.
In this embodiment, the self-enabling foot switch circuit is a self-enabling foot switch circuit, and the self-enabling foot switch circuit includes a foot switch and a control chip, wherein one end of the foot switch is connected to an input end of the control chip, a user controls the on/off of the foot switch by stepping on the foot switch, and the control chip performs the switching operation between the enabled state and the disabled state according to different voltage values (including a preset number of times) received by the input end (for example, a point a in fig. 3) when the foot switch is detected to be on or off. The switching operation of the enabling state or the non-enabling state is carried out by detecting different voltage values (including preset times) received by the input end when the foot switch is switched on or switched off, so that potential safety hazards in the using process of equipment are avoided, the safety is guaranteed, and the working efficiency is improved.
In this embodiment, the self-enabling foot switch circuit further includes a status indicator light, the status indicator light is connected to the control chip, the control chip controls the status indicator light to display a first color when switching to the enabled state, and the control chip controls the status indicator light to display a second color when switching to the disabled state, where the first color is different from the second color. In the present embodiment, the status indicator lamp is, for example, an LED lamp, the first color is, for example, green, and the second color is, for example, red. Through the color display of the status indicator lamp, the safety of the equipment in the using process can be improved.
In this embodiment, the self-enabled footswitch circuit further includes a pull-up resistor (e.g., resistor R1 in fig. 3), one end of the pull-up resistor is connected to one end of the footswitch (e.g., point a in fig. 3), the other end of the pull-up resistor is connected to a power supply (e.g., power supply VCC in fig. 3), and the other end of the footswitch is grounded. By arranging the pull-up resistor, the safety of the equipment in the using process can be improved.
In this embodiment, when the foot switch is turned on, the voltage received by the input terminal of the control chip is 0, and when the foot switch is turned off, the voltage received by the input terminal of the control chip is the voltage of the power source VCC to which the pull-up resistor is connected (i.e., the voltage at the position of a point in fig. 3). The safety of the equipment in the using process is improved by judging the voltage received by the input end.
In this embodiment, if the number of times that the input terminal of the control chip detects that the input terminal receives the 0 voltage within the preset time is equal to the preset first number, the control chip performs the start operation or the stop operation. In this embodiment, the preset time is, for example, 3 seconds, the preset first time is, for example, 1 time, if the number of times that the input end of the control chip detects that 0 voltage is received within 3 seconds is equal to 1 time, it is determined that the stepping mode is click stepping, and after it is determined that the stepping mode is click stepping, the control chip performs start operation or pause operation, and controls the radio frequency ablation instrument to perform start ablation operation or controls the radio frequency ablation instrument to perform pause ablation operation. The safety of the equipment in the using process is improved by setting the preset time and the preset first time.
In this embodiment, if the number of times that the input terminal of the control chip detects that the input terminal receives the 0 voltage within the preset time is equal to the preset second number of times, the control chip performs the switching operation of the enabled state or the disabled state. In this embodiment, the preset time is, for example, 3 seconds, the preset second time is, for example, 2 times, if the number of times that the input terminal of the control chip detects that 0 voltage is received within 3 seconds is equal to 2 times, it is determined that the stepping mode is double-click stepping, and after it is determined that the stepping mode is double-click stepping, the control chip performs the switching operation of the enabled state or the disabled state, and controls the rf ablatograph to end the ablation operation. The safety of the equipment in the using process is improved by setting the preset time and presetting the second time.
In this embodiment, the preset time is, for example, 3 seconds, if the input end of the control chip detects that the voltage received within 3 seconds is always 0 voltage and no interruption occurs in the middle, it is determined that the stepping mode is long-press stepping, and after it is determined that the stepping mode is long-press stepping, the control chip controls the rf ablatograph to resume the ablation parameter operation.
In addition, the embodiment of the utility model provides an equipment is still provided, wherein, equipment includes aforementioned syringe mistake and pushes away alarm system 1.
The utility model provides a technical scheme has following advantage: whether the actual displacement of the push rod of the injection module is equal to the preset displacement or not is judged to generate an alarm signal, so that the mistaken pushing alarm is realized.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (11)
1. An alarm system for the error pushing of an injector is characterized by comprising an injector control system, a driving motor, the injector, a displacement measurer and a push rod error alarm system, wherein,
the injector control system is connected with the driving motor and is used for generating a driving signal to drive the driving motor to operate;
the driving motor is connected with the injector and is used for driving a push rod of the injector to move within a preset displacement amount in the operation process;
the displacement measurer is connected with the injector and used for detecting the actual displacement of the push rod of the injector and inputting the actual displacement to the injector control system;
the injector control system is also used for judging whether the actual displacement is equal to the preset displacement;
and the push rod error alarm system is connected with the injector control system and is used for generating an alarm signal if the judgment of the injector control system is unequal.
2. The syringe mis-push alarm system of claim 1 wherein the displacement gauge comprises a grating sensor.
3. The syringe mis-push alarm system of claim 2 wherein the grating sensor comprises a grating and a displacement scale.
4. The syringe mis-push alarm system as in claim 3, wherein one end of the displacement scale is fixedly connected to the mouth of the syringe, and the start scale on the other end of the displacement scale is aligned with the push rod of the syringe.
5. The system of claim 3, wherein the optical grating is fixedly connected to a plunger of the syringe, and the plunger of the syringe pushes the optical grating to move on the displacement scale during movement, so as to detect the actual displacement of the plunger of the syringe.
6. The syringe mispush alarm system of claim 1, further comprising a radio frequency ablation device control system connected to the syringe control system for controlling the syringe control system to generate a drive signal to the drive motor.
7. The syringe mis-pushing alarm system as claimed in claim 6, wherein the rf ablation device control system comprises a self-enabling foot switch circuit, the circuit comprises a foot switch and a control chip, wherein one end of the foot switch is connected to an input end of the control chip, a user controls the on/off of the foot switch by stepping on the foot switch, and the control chip performs the switching operation between the enabled state and the disabled state according to the different voltage values received by the input end when the foot switch is detected to be on or off.
8. The syringe mis-push alarm system as recited in claim 7, wherein the circuit further comprises a status indicator light, the status indicator light is interconnected with the control chip, the control chip controls the status indicator light to display a first color when switching to the enabled state, and the control chip controls the status indicator light to display a second color when switching to the disabled state, the first color being different from the second color.
9. The syringe mis-pushing alarm system as claimed in claim 8, wherein the circuit further comprises a pull-down resistor, one end of the pull-down resistor is connected to one end of the foot switch, the other end of the pull-down resistor is grounded, the other end of the foot switch is connected to a power supply, when the foot switch is closed, the voltage received by the input terminal of the control chip is the voltage of the power supply, and when the foot switch is opened, the voltage received by the input terminal of the control chip is 0.
10. The syringe mis-pushing alarm system as claimed in claim 8, wherein the circuit further comprises a pull-down resistor, one end of the pull-down resistor is connected to one end of the foot switch, the other end of the pull-down resistor is connected to a power supply, the other end of the foot switch is grounded, when the foot switch is closed, the voltage received by the input end of the control chip is 0, and when the foot switch is opened, the voltage received by the input end of the control chip is a divided voltage divided by the pull-down resistor.
11. An apparatus, characterized in that it comprises a syringe mis-push alarm system according to any of the preceding claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023338632.9U CN214857376U (en) | 2020-12-31 | 2020-12-31 | Syringe mis-push alarm system and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023338632.9U CN214857376U (en) | 2020-12-31 | 2020-12-31 | Syringe mis-push alarm system and device |
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| CN214857376U true CN214857376U (en) | 2021-11-26 |
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| CN202023338632.9U Active CN214857376U (en) | 2020-12-31 | 2020-12-31 | Syringe mis-push alarm system and device |
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