JP2014004250A - Portable drip counter for drip infusion - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable assisting instrument for assisting in calculating the number of drips and adjusting clamp forceps when drip infusion is started, and confirming the drip state during drip infusion while the manual operation is basic to drip infusion.SOLUTION: Input is performed by pressing buttons 7, 9 and when the infusion total amount and the infusion period are input, the drip interval is calculated, and a buzzer is rung at the intervals, or a vibration motor is driven to generate vibration, so that in starting drip infusion, clamp forceps can be adjusted while hearing sound or vibration. When the button 7 is pressed at every drip during drip infusion, the flow rate is calculated and displayed on an LCD display device 3, so that it can be confirmed whether or not the drip infusion in process reaches a predetermined flow rate. Further, a clock can be displayed or an LED lamp can be lighted, so that an assisting instrument can be used instead of a clock and also it can cope with work in a dark place.

Description

  The present invention relates to a portable drip counter that is used for setting the infusion state of an infusion when starting infusion and for confirming the instillation state during infusion.

When starting infusion, calculate the flow rate from the total infusion volume and infusion time, calculate the number of drops per unit time taking into account the number of drops in the infusion line, and adjust the degree of opening of the clamp. Although the actual number of infusions is set to the calculated number of infusions, the above work is carried out manually at most sites, and the infusion number of infusions is calculated by the head, or at least in Patent Document 1 It was obtained by referring to a chart like the one shown, and the adjustment of the clamp was performed while counting the number of drops with the second hand of the watch.
Therefore, mistakes were likely to occur when performed by unskilled medical workers.

JP 2006-122537 A Japanese Patent Laid-Open No. 08-0317974

An apparatus that is set in the infusion line and automatically performed instead of the above work has already been proposed as shown in Patent Document 2, and if such an apparatus is used, accurate infusion is possible. It is impractical from the economical point of view to set one device corresponding to one infusion line and to use the measures uniformly when all patients are instilled.
In addition, since the infusion state of the infusion may change during the infusion, it is convenient if the instillation state during the infusion can be easily confirmed.

  Therefore, in order to solve the above-mentioned problem, the present invention is based on the manual operation, but also helps to calculate the number of drops when starting infusion, adjust the crimp, and confirm the state of dripping in the infusion. Its purpose is to provide a mold aid.

  In order to achieve the above object, the invention of claim 1 is a portable drip counter for receiving information and a request by pressing a button, a total amount of infusion and a total amount thereof. A first calculating means for calculating a flow rate of the infusion from the information of the total time to be multiplied, and further calculating a drop interval according to the flow rate and a preset number of drops; and Or the 1st alerting | reporting means to alert | report by the intermittent generation | occurrence | production of a sound, the 2nd alerting | reporting to display and alert | report the said calculated infusion flow volume, the 2nd calculation means to calculate the flow volume of the infusion from the information of the dripping space | interval of infusion Means for informing the operator of the dropping interval to be adjusted by the infusion line by the operation of the receiving means, the first calculating means, and the first notifying means, and the receiving means, the second calculating means, and the second notifying means. The work is a drip counter and wherein the informing the actual dropping conditions of the infusion line.

  According to a second aspect of the present invention, in the portable drip counter according to the first aspect, the second notification means displays and reports an image of an analog clock in which the hands move in synchronization with the calculated dropping interval, This is also a drip counter characterized in that the infusion line side informs the dropping interval to be adjusted in combination.

  According to a third aspect of the present invention, in the portable drip counter for portable drip according to the first or second aspect, when the first notification means receives the information on the drop interval of the infusion, it vibrates and / or sounds in accordance with the drop interval. Is a drip counter characterized by intermittently generating and informing, and using this together, the actual drip state of the infusion line is notified.

  According to a fourth aspect of the present invention, in the portable drip counter according to any one of the first to third aspects, a clock means is provided, and the second notification means displays the current time based on a request for clock display. A drip counter characterized by the above.

  A fifth aspect of the present invention is the drip counter according to any one of the first to fourth aspects, wherein the drip counter includes a light means.

  The portable drip counter of the present invention helps to calculate the number of drops at the start of drip, adjust the clamp, and check the drip state during the drip. Even if it is done manually, infusion can be performed accurately.

It is a front view of the appearance of a portable drip counter for an infusion according to an embodiment of the present invention. FIG. 2 is a top view of FIG. 1. It is a block diagram of the portable drip drip counter of FIG. FIG. 3 shows a flow for switching between a sleep mode and a standby mode of the portable drip counter of FIG. 1 and a corresponding screen. FIG. 5 shows a switching operation flow between a plurality of modes after the standby mode in FIG. 4 and an initial screen of each mode. A flow measurement flow in the flow measurement mode and a transition screen are shown. A procedure for changing the number of drops in the flow rate measurement mode and a transition screen are shown. Shows the metronome mode setting flow and transition screen. The operation flow of the metronome mode and the transition screen are shown. An example of another screen during operation of the metronome mode is shown. A clock setting flow and a transition screen in the clock display mode are shown. A switching screen between 12H and 24H in the clock display mode clock setting is shown.

A portable drip drip counter 1 according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the size and appearance of the portable drip counter 1 for portable drip counter 1 is a compact portable type that can be held with one hand. Can be lowered.

  The casing of the portable drip counter 1 includes an LCD display 3, a mode change button 5, a count button 7, a reset button 9, a buzzer 11 that outputs sound, a vibration motor 13 that outputs vibration, LED lamp 15, clock (timer) IC 17 that announces the current time, calculation formulas, setting values (total infusion volume, infusion time, flow rate, number of drops), display control conditions for the screen displayed on the LCD display 3, etc. The LCD display 3 is provided on the front of the housing, and the mode change button 5, the count button 7, and the reset button 9 are provided on the upper side so that they can be easily pushed while being held with one hand. ing. Of these buttons, only the mode change button 5 is provided in the recess to prevent it from being accidentally pressed, and does not protrude from the upper surface of the housing. Moreover, the LED lamp 15 is also provided on the upper side so that the position to be illuminated can be easily changed while being held with one hand.

Moreover, the microcomputer 21 as a control part and a calculation part is provided, and each means is implement | achieved by controlling each said part and performing a calculation process.
Specifically, the receiving means transfers information and requests to the microcomputer 21 according to the operator's operation, and the microcomputer 21 controls the mode change button 5, the count button 7, and the reset button 9. Realized. Note that the microcomputer 21 counts the interval between button presses using a built-in timer, and determines whether the button press is a long press.
The first notification means notifies the sound and vibration, and is realized by the microcomputer 21 controlling the buzzer 11 and the vibration motor 13. The control pattern is acquired from the external memory 19.
The second notification means displays and notifies, and is realized by the microcomputer 21 sending and displaying a creation screen on the LCD display 3. The screen design necessary for creation is acquired from the external memory 19.

The light means is realized by the microcomputer 21 controlling the LED lamp 15. The lighting time is measured by the built-in timer.
The clock means is realized by the microcomputer 21 acquiring the current time from the clock IC 17, creating a clock screen in combination with the clock image stored in the external memory 19, and sending the clock screen to the LCD display 3 for display. ing.
The first calculation means is realized by substituting the numerical information acquired from pressing the button into the calculation formula acquired from the external memory 19 by the microcomputer 21 and calculating the flow rate and the dropping interval.
The second calculation means is realized by calculating the flow rate from the information about the drop interval acquired by the microcomputer 21 when the button is pressed and the information about the number of drops and the calculation formula acquired from the external memory 19.

Next, the operation flow of each means will be described for each mode while presenting a screen displayed on the LCD display 3.
A plurality of modes are switched so that the buttons 5, 7, 9 and the LCD display 3 can be selectively used for each mode. First, power ON / OFF and mode change will be described.

<Sleep mode / Standby mode> (Fig. 4)
While the power is off, the mode is <Sleep Mode>. When the [Change Mode] button 5 is pressed, the microcomputer 21 turns on the power, enters the <clock display mode> that also serves as a standby mode, generates a clock display screen that acquires the current time, and displays the LCD display 3 To display. In this embodiment, a digital clock image is used, but an analog clock image may be used.
When the power is turned on, the built-in timer starts counting, and when the pressing time (signal) of the buttons 5, 7, 9 is not input for more than 30 seconds, the power is turned off to return to <sleep mode>. .

<Change mode> (Figure 5)
There are three modes: <clock display mode>, <flow rate measurement mode>, and <metronome mode>. When the [Change Mode] button 5 is pressed, the mode is changed and each initial screen is created. Then, it is displayed on the LCD display 3.
Specifically, after the power is turned on, the first [Change Mode] button 5 is pressed to change from <Clock Display Mode> to <Flow Rate Measurement Mode>, and the second press is changed from <Flow Rate Measurement Mode> to <Metronome. Change to <Mode>, and press the third time to change from <Metronome mode> to <Clock display mode>. When the fourth and subsequent presses are received, the mode is sequentially changed again in the order described above.
When the mode is changed, the built-in timer starts counting, and in <flow rate measurement mode> and <metronome mode>, if the time during which the pressing (signal) of buttons 5, 7, 9 is not input exceeds 30 seconds, < The watch display mode has been restored.

<Flow measurement mode> (Fig. 6)
This mode is used by the operator to confirm the infusion state of the infusion during the infusion.
On the initial screen, the previous measured value “45 ml / h” is displayed. In the upper right, the number of drops “20 drops / ml” stored in the external memory 19 in advance is displayed.
When the [Reset] button 7 is pressed, the previous measurement value is cleared, and “--- ml / h” is switched and displayed.
When the [Count] button 7 is pressed at the timing of the infusion, it is recognized as the first drip used for the flow rate calculation, the flow rate measurement process is started, and the built-in timer starts counting. Let In addition, the buzzer 11 is caused to sound “beep” and the numerical part, that is, the part initially displayed as “——” blinks once.

When the [Count] button 7 is pressed again at the timing of the next infusion dropping, it is recognized as the next dripping and the buzzer 11 sounds again. In addition, the time taken from the count of the built-in timer to the dropping is counted, and the flow rate is calculated by substituting the time into the calculation formula to which the preset number of drops “20 drops / ml” is applied. Then, a flow rate display screen of “40 ml / h”, which is the calculation result, is created, flashed once on the LCD display 3, displayed and notified. Furthermore, the built-in timer is reset and the flow measurement process is started again. That is, the counting is started again by the built-in timer.
Thereafter, each time the [Count] button 7 is pressed, the flow rate measurement process described above is performed, and the flow rate is updated and displayed each time.
Then, when the [Change Mode] button 5 is pressed or when there is no response exceeding 30 seconds as described above, the previous flow rate is memorized, and the current time is forcibly returned to <clock display mode>, and the flow rate measurement process is terminated. Therefore, this process can be omitted when it is used for the next drip without changing the flow rate.

The setting of the number of drops can be changed.
As shown in FIG. 7, when the [MODE CHANGE] button 5 is pressed and held for 3 seconds or longer, the change request is received, and the existing set value “1” of the number of drops is first displayed to indicate that the change is accepted. “20 drops / ml” blinks.
Subsequently, when the [Count] button 7 is pressed, another candidate drop number “60 drops / ml” is acquired from the external memory 19 and displayed on the LCD display 3.
Then, when the [Mode Change] button 5 is pressed, the change of the number of drops to “60 drops / ml” is confirmed, and then the normal <flow rate measurement mode> is restored.

<Metronome mode> (FIGS. 8, 9, and 10)
This mode is used to adjust the degree of opening of the infusion line when starting infusion.
On the initial screen of the LCD display 3, the number of drops, the total amount of infusion, the infusion time, and the flow rate are displayed. The external memory 19 stores the set value and the drop interval data.
First, changing the metronome setting will be described with reference to FIG.
If the [Count] button 7 is pressed for 3 seconds or longer in the <Metronome mode>, the long press is accepted as a change request for the total amount of infusion, and the change is ready to be accepted. Display blinking. Subsequently, when the [Count] button 7 is pressed, the total amount of infusion increases by 100 ml each time the button is pressed, and when the [Reset] button 9 is pressed, the total amount of infusion decreases by 100 ml each time the button is pressed. The flow rate and the dropping interval are calculated every time, and the external memory 19 is made to update the set value and dropping interval of the flow rate together with the set value of the total infusion volume. In addition, the latest infusion volume “1100” and flow rate “110” are both updated and displayed.

When the “mode change” button 5 is pressed, the press is accepted as a request for changing the infusion time, and the change is accepted, and the existing set value “10:00” of the infusion time is displayed in a blinking manner. Subsequently, when the [Count] button 7 is pressed, the infusion time increases by 30 minutes each time the button is pressed, and when the [Reset] button 9 is pressed, the infusion time decreases by 30 minutes each time the button is pressed. Each time the button is pressed, the flow rate and the drop interval are calculated, and the external memory 19 is updated with the set value of the flow rate and the drop interval together with the infusion time setting value. In addition, the latest infusion time “10:30” and flow rate “104” are both updated and displayed.
Then, when the [mode change] button 5 is pressed, changes to the total infusion volume and the infusion time are confirmed, and the normal <metronome mode> is restored.

Next, the operation of the metronome will be described with reference to FIG.
When the [Count] button 7 is pressed, the pressing request is received as a metronome operation request, the dropping interval is read from the external memory 19, and the buzzer 11 is sounded as “pipo” or the vibration motor 13 is driven using the dropping interval as a driving timing. Drive to generate vibration. In addition, an infusion image is displayed to indicate that the metronome is operating.
The operator can adjust the degree of opening of the infusion line clamp so that the infusion drops in accordance with the sound of the buzzer 11 or the vibration of the vibration motor 13.
Next, when the [count] button 7 is pressed, the operation returns to the initial operation (metronome mode). When the [mode change] button 5 is pressed, the microcomputer 21 receives the press request as a metronome stop, and the buzzer. 11 and the vibration motor 13 are stopped, and the image of the infusion is erased.
The buzzer 11 and the vibration motor 13 are selectively switched, and one of them is initially set. However, when the [Reset] button 9 is pressed during either operation, a switching request is issued. Receive and switch.

A display example of another screen during operation of the metronome is shown in FIG.
In this example, when the [count] button 7 is pressed, the microcomputer 21 receives the pressing as a metronome function start request, and in this example, displays an analog stopwatch screen. The stopwatch image is generated by synthesizing an image showing a scale and an image showing a pointer that rotates in accordance with the count of the built-in timer. The pointer starts to move when the timer starts counting, and when the time of the dropping interval elapses, the timer is reset, returns to the 12 o'clock position, and starts moving again when the timer starts counting. That is, when the dropping interval is 15 seconds, the pointer returns to the twelve o'clock position after turning 1/4 and rotates again.

<Clock mode> (Fig. 11)
As described above, the standby mode when the power is turned on is the clock mode, the current time is acquired by the clock IC 17, and a numerical image is generated and displayed.
The clock is set by the following operation.
First, when the [count] button 7 and the [mode change] button 5 are simultaneously pressed for 3 seconds or longer, a clock adjustment request is received, and the microcomputer 21 is first set to “year”, and first set to “year”. Is displayed blinking. When the [Count] button 7 is pressed, “year” is incremented by 1 each time the button is pressed, and when the button is pressed for 3 seconds or longer, fast forward is performed.
Next, when the [mode change] button 5 is pressed, the set value of “month” is displayed in a blinking manner. Then, when the [count] button 7 is pressed, the numerical value is incremented by +1 as described above, and fast-forwarding is performed by long pressing.

The same applies to “day”, “hour”, and “minute”. When the [mode change] button 5 is pressed, these settings are sequentially accepted, and the [count] button 7 is changed.
Then, when the [mode change] button 5 is pressed, the time setting is completed and the normal <clock display mode> is restored.
There are 12H display and 24H display for the time. As shown in FIG. 12, when the [Reset] button 9 is pressed in the setting state of “hour”, if the current setting is 12H, the display changes to 24H display. If the current setting is 24H, the display is changed to 12H display.

When the [Reset] button 9 is pressed for 3 seconds or longer while the power is on, the LED lamp 15 is turned on when the microcomputer 21 receives a lighting request and starts counting, and the lighting time is 30 seconds. Turn off the lamp when it exceeds. Alternatively, when the [Reset] button 9 is pressed again, it is immediately turned off.
It should be noted that the LED lamp 15 cannot be turned on during setting in the metronome mode or during clock adjustment.

  According to this portable drip counter 1 for drip, as described above, it is a multi-function type and can display a clock or turn on the LED lamp 15. It can also handle work at a place.

Although the embodiments of the present invention have been described above, the specific configuration of the present invention is not limited to the above-described embodiments, and even if there is a design change within a scope not departing from the gist of the present invention. Included in the invention.
For example, the shape of the housing and the size and design of various images on the display screen can be changed. For example, during the operation of the metronome, the set value may not be displayed, and only the analog clock image may be displayed in a large size. The same applies to the circuit configuration.

1 ... Portable drip counter 3 ... LCD display 5 ... Mode change button 7 ... Count button 9 ... Reset button 11 ... Buzzer 13 ... Vibration motor 15 ... LED lamp 17 ... Clock IC
19 ... External memory 21 ... Microcomputer H ... String

Claims (5)

A portable drip counter for infusions,
A receiving means for receiving information and a request by pressing a button, a total amount of infusion, and a total time required to send all the total amount, and calculating a flow rate of the infusion, and further dropping according to the flow rate and a preset number of drops. A first calculating means for calculating an interval, a first notifying means for notifying the calculated dropping interval based on a notification request by intermittent generation of vibration and / or sound, and a flow rate of the infusion from the information on the dropping interval of the infusion. And a second notification means for displaying and notifying the calculated flow rate of the infusion,
By the operation of the receiving means, the first calculating means and the first notifying means, the infusion interval to be adjusted by the infusion line is notified,
A drip counter characterized in that an actual drip state of the infusion line is notified by the operations of the receiving means, the second calculating means and the second notifying means. The drip counter for portable drip according to claim 1,
The second notifying means displays and reports an analog clock image in which the hands move in synchronization with the calculated dropping interval, and also uses this to notify the dropping interval to be adjusted on the infusion line side. . In the drip counter for portable drip according to claim 1 or 2,
When the first informing means receives the information on the infusion interval of the infusion, the first informing means informs by intermittently generating vibration and / or sound in accordance with the instillation interval, and also using this in combination, the actual instillation state of the infusion line is reported. A drip counter characterized by notifying. In the drip counter for portable drip according to any one of claims 1 to 3,
A drip counter comprising a clock means, wherein the second notification means displays the current time based on a clock display request. In the drip counter for portable drip according to any one of claims 1 to 4,
A drip counter comprising a light means.

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