CN212308580U - Device for accurately measuring tare weight of infusion bottle/bag - Google Patents
Device for accurately measuring tare weight of infusion bottle/bag Download PDFInfo
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- CN212308580U CN212308580U CN202021591966.4U CN202021591966U CN212308580U CN 212308580 U CN212308580 U CN 212308580U CN 202021591966 U CN202021591966 U CN 202021591966U CN 212308580 U CN212308580 U CN 212308580U
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Abstract
The invention discloses a device for accurately measuring the tare weight of an infusion bottle/bag. Two groups of infrared sensing devices are adopted to monitor the transfusion state and the transfusion drop number, and the tare weight of a transfusion bottle/bag is obtained by fitting a curve with the transfusion drop number and the real-time weighing. The measuring method has the advantages of strong anti-interference capability, high accuracy, low manufacturing cost and more accurate monitored numerical value.
Description
Technical Field
The invention belongs to the field of medical auxiliary devices, and particularly relates to a device for accurately measuring the tare weight of an infusion bottle/bag.
Background
Intravenous infusion therapy is a commonly used treatment means in clinical medical work, and a plurality of groups of liquid medicines are required to be infused by a patient in one day. The infusion bottles/bags are required to be injected with therapeutic drugs, so that the weights of the infusion bottles/bags are different, the weight of the solution cannot be accurately calculated in the infusion monitoring process, and the monitored data is inaccurate. The initial weight of the solution needs to be provided in the monitoring process, the prior art can only provide the whole weight of the infusion bottle/bag, the whole weight comprises the tare weight of the infusion bottle/bag and the net weight of the solution, the net weight of the solution can be accurately obtained only by removing the tare weight of the infusion bottle/bag on the basis of the whole weight, and the monitoring result can be accurate.
However, the existing transfusion monitoring equipment can not accurately measure the tare weight of a transfusion bottle/bag.
Disclosure of Invention
The object of the present invention is to address the drawbacks of the prior art and to provide a device for accurately measuring the tare weight of an infusion bottle/bag.
In order to achieve the purpose, the invention adopts the following technical scheme: an apparatus for accurately measuring the tare weight of an infusion bottle/bag, comprising: the system comprises a hook-type weighing device, a control bracket and an induction analysis device;
the hanger type weighing device is fixed at the top of the infusion support and is used for hanging an infusion bottle/bag and weighing the weight of the whole infusion bottle/bag in real time;
the control bracket is provided with a fixing hole which is sleeved on a vertical rod of the infusion support for fixing, and the induction analysis device is fixed on one side of the control bracket;
the induction analysis device comprises an infusion device clamping groove, an induction device and a control analysis device; wherein, one side of the outer surface of the induction analysis device is provided with an infusion apparatus clamping groove for fixing an infusion apparatus; induction devices are arranged on two sides inside the infusion apparatus clamping groove; the sensing device is used for detecting the transfusion state of a funnel of a transfusion device connected with a transfusion bottle/bag;
the control analysis device is arranged in the induction analysis device, the weight value weighed by the hook-type weighing device in real time and the infusion state detected by the induction device are sent to the control analysis device, the control analysis device converts the infusion state into the infusion dripping speed, and meanwhile, the tare weight of the infusion bottle/bag is measured according to the weighing weight received in real time.
Furthermore, the infusion apparatus clamping groove is in a shape of a Chinese character 'zhong', the infusion apparatus funnel clamping groove is arranged in the middle, the infusion tube clamping grooves are arranged at the two ends, and the sensing devices are arranged on the two sides in the infusion apparatus funnel clamping groove.
Further, induction system includes two sets of infrared induction system and signal interface, and every infrared induction system of group includes infrared transmitting tube and infrared receiving tube, infrared transmitting tube and infrared receiving tube set up respectively in the inside both sides of transfusion system funnel draw-in groove, and infrared transmitting tube is used for transmitting infrared signal, and under infusion funnel does not have the liquid drop to obstruct, infrared signal is received by infrared receiving tube, and signal interface is used for giving control analysis device with the signal transmission that infrared receiving tube received.
Furthermore, the control analysis device receives signals of the two infrared receiving tubes, and can eliminate the signals when one group of signals is abnormal.
Furthermore, the two groups of infrared emission tubes are respectively arranged at two sides of the funnel clamping groove of the infusion apparatus, and the emission directions are opposite.
Further, the analysis device is controlled to fit a curve by the infusion dropping speed and the real-time weighing:
y＝ax+b
wherein x is the total infusion drop number, y is the real-time weighing weight, a is the slope of the curve, and b is the tare weight of the infusion bottle/bag;
the obtained b value is the tare weight of the infusion bottle/bag.
Furthermore, the control bracket also comprises a clamping plate, a first magnetic suction group and a limit baffle; a corresponding second magnetic attraction group is arranged in the induction analysis device, and the infusion apparatus clamping groove and the clamping plate are mutually clamped and mutually attracted and fixed through two groups of magnetic attraction; the limiting baffle is inserted into the infusion support clamping groove to be fixed.
Furthermore, a drip marking line is arranged in the clamping groove of the infusion apparatus.
Furthermore, the device also comprises a display, wherein the display is arranged outside the induction analysis device and is connected with the control analysis device through a circuit.
Further, the device also comprises a battery pack, wherein the battery pack is arranged inside the induction analysis device and provides electric energy for the whole device.
The device adopts the weighing equipment to calculate the weight change of the infusion bag (bottle) in the infusion process, so that the tare weight of the infusion bag (bottle) is obtained through the analysis device, the net weight of the solution is judged, a basis is provided for infusion monitoring, meanwhile, two groups of infrared sensing devices are used for monitoring the infusion state and the infusion drop number, the anti-interference capacity is strong, the accuracy is high, the manufacturing cost is low, and the monitored numerical value is accurate. The device is arranged outside the infusion tube, and does not need to contact with the medicine, so that the medicine is not polluted. This device makes traditional infusion management mode obtain changing, can calculate the tare weight of infusion bottle/bag to more accurate for medical personnel service alleviates nurse's work load, and guarantees the safety of infusion process, avoids arousing unnecessary dispute.
Drawings
FIG. 1 is an exploded view of a control bracket and an induction analyzer of an apparatus for accurately measuring the tare weight of an infusion bottle/bag according to an embodiment.
Fig. 2 is a schematic structural diagram of a control bracket and a sensing analysis device of the device for accurately measuring the tare weight of an infusion bottle/bag.
Fig. 3 is a structural schematic diagram of a hook-type weighing machine of the device for accurately measuring the tare weight of the infusion bottle/bag.
FIG. 4 is a curve fitted to example theoretical data.
FIG. 5 is a curve to which example measured data is fitted.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The apparatus for accurately measuring the tare weight of an infusion bottle/bag as described in fig. 1 to 3, comprising: a hook-type weighing device 1, a control bracket and an induction analysis device 2.
The hook type weighing device 1 is fixed on a cross rod at the top of the infusion support and is used for hanging an infusion bottle/bag and weighing the weight of the whole infusion bottle/bag in real time.
The induction analysis device comprises an infusion apparatus clamping groove 3, an induction device and a control analysis device. The induction analysis device can be divided into a front half box body and a rear half box body (4a and 4b), one side of the outer surface is provided with an infusion apparatus clamping groove, the infusion apparatus clamping groove is in a Chinese character 'zhong', the infusion apparatus funnel clamping groove is arranged in the middle, the infusion tube clamping grooves are arranged at the two ends of the infusion apparatus funnel clamping groove, and induction devices are arranged on the two sides in the infusion apparatus funnel clamping groove. A drip marking line is arranged in the clamping groove of the infusion apparatus.
The sensing device comprises two groups of infrared sensing devices (5a and 5b) and a signal interface, and each group of infrared sensing device comprises an infrared transmitting tube and an infrared receiving tube. Each group of infrared transmitting tubes and infrared receiving tubes are respectively arranged on two sides inside the funnel clamping groove of the infusion apparatus. The two groups of infrared emission tubes are respectively arranged at two sides of the funnel clamping groove of the infusion apparatus, and the emission directions are opposite. The infrared transmitting tube is used for transmitting infrared signals, the infrared signals are received by the infrared receiving tube under the condition that the infusion funnel is not blocked by liquid drops, and the signal interface is used for transmitting the signals received by the infrared receiving tube to the control analysis device. The two groups of infrared emission tubes are respectively arranged at two sides of the funnel clamping groove of the infusion apparatus, and the emission directions are opposite. The control and analysis device receives the signals of the two infrared receiving tubes, and can eliminate one group of signals when the signals are abnormal.
The control bracket is provided with a fixing hole 6 which is sleeved on a vertical rod of the infusion support for fixing. The control bracket also comprises a clamping plate 7, a first magnetic attraction group 8 and a limit baffle 9. The inside of the induction analysis device is provided with a corresponding second magnetic attraction group 10. The two magnetic attraction groups are respectively provided with six magnetic attractions. The infusion apparatus clamping groove and the clamping plate are mutually clamped and fixed through two sets of magnetic attraction. Two magnetic attraction devices are arranged at the upper parts of the two groups of magnetic attraction devices respectively, four magnetic attraction devices are arranged below the two magnetic attraction devices, and the clamping plate is provided with a cover plate 11 at the outer part of the four magnetic attraction devices at the lower part. The limit baffle is inserted into the clamping groove of the infusion support for fixing.
The control analysis device is arranged in the induction analysis device, the weight value weighed by the hook-type weighing device in real time and the infusion state detected by the induction device are sent to the control analysis device, the control analysis device converts the infusion state into the infusion dripping speed, and meanwhile, the tare weight of the infusion bottle/bag is measured according to the weighing weight received in real time.
Controlling the analysis device to fit a curve by dropping the infusion solution at a speed and weighing the infusion solution in real time:
y＝ax+b
wherein x is the number of infusion drops, y is the real-time weighing, a is the slope of the curve, and b is the tare weight of the infusion bottle/bag. The obtained b value is the tare weight of the infusion bottle/bag.
The device also includes a display 12 and a battery pack. The display is arranged outside the induction analysis device, and the battery pack is arranged inside the induction analysis device and provides electric energy for the whole device. The control analysis device is respectively connected with the hook type weighing device, the sensing device, the display and the battery pack through circuits.
The real data are shown in table 1, the real data are theoretical data, theoretical values are obtained according to a formula, and a curve fitted by the theoretical data is shown in fig. 4.
TABLE 1
|
Number of |
0 | 200 | 400 | 600 | 800 | 1000 | 1200 | 1400 | 1600 | 1800 | 2000 | 2200 | 2400 |
| Weight (D) | 265.4 | 255.4 | 245.4 | 235.4 | 225.4 | 215.4 | 205.4 | 195.4 | 185.4 | 175.4 | 165.4 | 155.4 | 145.4 |
|
Number of |
2600 | 2800 | 3000 | 3200 | 3400 | 3600 | 3800 | 4000 | 4200 | 4400 | 4600 | 4800 | 5000 |
| Weight (D) | 135.4 | 125.4 | 115.4 | 105.4 | 95.4 | 85.4 | 75.4 | 65.4 | 55.4 | 45.4 | 35.4 | 25.4 | 15.4 |
The measured data are shown in table 2, the measured data are actual test data obtained by passing a standard infusion tube and normal saline through the device, and the curve fitted by the measured data is shown in fig. 5.
TABLE 2
|
Number of |
0 | 200 | 400 | 600 | 800 | 1000 | 1200 | 1400 | 1600 | 1800 | 2000 | 2200 | 2400 |
| Weight (D) | 265.4 | 254.6 | 244.6 | 233.1 | 224.6 | 214.6 | 204.6 | 192.8 | 182.5 | 173.0 | 163.0 | 153.0 | 143.0 |
|
Number of |
2600 | 2800 | 3000 | 3200 | 3400 | 3600 | 3800 | 4000 | 4200 | 4400 | 4600 | 4800 | 5000 |
| Weight (D) | 132.9 | 123.4 | 113.5 | 103.2 | 93.2 | 84.7 | 73.6 | 63.2 | 53.5 | 42.7 | 32.5 | 24.5 | 16.5 |
The slope of the fitting curve obtained by the real data and the measured data is similar, so that the device can accurately calculate the tare weight of the infusion bottle/bag.
While the invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An apparatus for accurately measuring the tare weight of an infusion bottle/bag, comprising: the system comprises a hook-type weighing device, a control bracket and an induction analysis device;
the hanger type weighing device is fixed at the top of the infusion support and is used for hanging an infusion bottle/bag and weighing the weight of the whole infusion bottle/bag in real time;
the control bracket is provided with a fixing hole which is sleeved on a vertical rod of the infusion support for fixing, and the induction analysis device is fixed on one side of the control bracket;
the induction analysis device comprises an infusion device clamping groove, an induction device and a control analysis device; wherein, one side of the outer surface of the induction analysis device is provided with an infusion apparatus clamping groove for fixing an infusion apparatus; induction devices are arranged on two sides inside the infusion apparatus clamping groove; the sensing device is used for detecting the transfusion state of a funnel of a transfusion device connected with a transfusion bottle/bag;
the control analysis device is arranged in the induction analysis device, the weight value weighed by the hook-type weighing device in real time and the infusion state detected by the induction device are sent to the control analysis device, the control analysis device converts the infusion state into the infusion dripping speed, and meanwhile, the tare weight of the infusion bottle/bag is measured according to the weighing weight received in real time.
2. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 1, wherein: the infusion apparatus clamping groove is in a shape of a Chinese character 'zhong', an infusion apparatus funnel clamping groove is arranged in the middle, infusion tube clamping grooves are arranged at two ends, and the sensing devices are arranged on two sides in the infusion apparatus funnel clamping groove.
3. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 1, wherein: the sensing device comprises two groups of infrared sensing devices and signal interfaces, each group of infrared sensing device comprises an infrared transmitting tube and an infrared receiving tube, the infrared transmitting tube and the infrared receiving tube are respectively arranged on two sides inside the clamping groove of the infusion apparatus funnel, the infrared transmitting tube is used for transmitting infrared signals, the infrared signals are received by the infrared receiving tubes when the infusion funnel is not blocked by liquid drops, and the signal interfaces are used for transmitting the signals received by the infrared receiving tubes to the control analysis device.
4. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 3, wherein: the control analysis device receives signals of the two infrared receiving tubes, and can eliminate the signals when one group of signals are abnormal.
5. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 3, wherein: the two groups of infrared emission tubes are respectively arranged on two sides of the funnel clamping groove of the infusion apparatus, and the emission directions are opposite.
6. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 1, wherein: the control analysis device is characterized in that the control analysis device is used for fitting a curve by the dropping speed of the infusion and the real-time weighing:
y＝ax+b
wherein x is the total infusion drop number, y is the real-time weighing weight, a is the slope of the curve, and b is the tare weight of the infusion bottle/bag;
the obtained b value is the tare weight of the infusion bottle/bag.
7. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 1, wherein: the control bracket also comprises a clamping plate, a first magnetic suction group and a limit baffle; a corresponding second magnetic attraction group is arranged in the induction analysis device, and the infusion apparatus clamping groove and the clamping plate are mutually clamped and mutually attracted and fixed through two groups of magnetic attraction; the limiting baffle is inserted into the infusion support clamping groove to be fixed.
8. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 1, wherein: and a drip marking line is arranged in the infusion device clamping groove.
9. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 1, wherein: the device also comprises a display, wherein the display is arranged outside the induction analysis device and is connected with the control analysis device through a circuit.
10. The apparatus for accurately measuring the tare weight of an infusion bottle/bag according to claim 1, wherein: the device also comprises a battery pack, wherein the battery pack is arranged inside the induction analysis device and provides electric energy for the whole device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021591966.4U CN212308580U (en) | 2020-08-04 | 2020-08-04 | Device for accurately measuring tare weight of infusion bottle/bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021591966.4U CN212308580U (en) | 2020-08-04 | 2020-08-04 | Device for accurately measuring tare weight of infusion bottle/bag |
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| Publication Number | Publication Date |
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| CN212308580U true CN212308580U (en) | 2021-01-08 |
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|---|---|---|---|
| CN202021591966.4U Active CN212308580U (en) | 2020-08-04 | 2020-08-04 | Device for accurately measuring tare weight of infusion bottle/bag |
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