CN110711292B - Intelligent transfusion monitoring terminal device and control method thereof - Google Patents
Intelligent transfusion monitoring terminal device and control method thereof Download PDFInfo
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- CN110711292B CN110711292B CN201911130387.1A CN201911130387A CN110711292B CN 110711292 B CN110711292 B CN 110711292B CN 201911130387 A CN201911130387 A CN 201911130387A CN 110711292 B CN110711292 B CN 110711292B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005303 weighing Methods 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000001802 infusion Methods 0.000 claims description 212
- 239000003978 infusion fluid Substances 0.000 claims description 50
- 239000011521 glass Substances 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
- A61M5/16845—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
- A61M5/1689—Drip counters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
- A61M5/16895—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters by monitoring weight change, e.g. of infusion container
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an intelligent transfusion monitoring terminal device and a control method thereof. The device is easy to obtain accurate and reliable transfusion completion information during transfusion, and comprises a shell, and a controller, a data processing module, a timer, a weighing sensor, a memory and a ranging sensor which are respectively arranged in a shell cavity of the shell. A hanging ring is arranged in the middle of the upper surface of the shell; a first hook hole and a distance measuring hole which are communicated with a shell cavity of the shell are respectively arranged on the lower bottom surface of the shell; the weighing end of the weighing sensor is also fixedly connected with a pressure-sensitive sensor which is connected with the controller; the upper end of the first hook movably passes through the first hook hole and then is connected to the weighing end of the weighing sensor; the ranging sensor is arranged in the ranging hole; the data processing module, the timer, the weighing sensor, the memory and the ranging sensor are respectively connected with the controller.
Description
Technical Field
The invention relates to the technical field of infusion monitoring, in particular to an intelligent infusion monitoring terminal device and a control method thereof.
Background
At present, in the process of transfusion, a patient's attendant monitors the transfusion process, and the attendant calls a nurse to take a needle when transfusion is finished. Because accurate and reliable transfusion completion information is not easy to obtain during transfusion, nurses or doctors cannot easily know the transfusion information in time, and thus the needle taking is not easy to take in time.
Disclosure of Invention
The invention aims to solve the defects in infusion monitoring and provides an intelligent infusion monitoring terminal device and a control method thereof, wherein the intelligent infusion monitoring terminal device is convenient for obtaining accurate and reliable infusion completion information during infusion.
The technical problems are solved by the following technical proposal:
the intelligent transfusion monitoring terminal device comprises a shell, a controller, a voice prompt device, a display, a data processing module, a timer, a weighing sensor, a memory, a distance measuring sensor and a first battery, wherein the controller, the voice prompt device, the display, the data processing module, the timer, the weighing sensor, the memory, the distance measuring sensor and the first battery are respectively arranged in a shell cavity of the shell and used for providing power for all electric devices on the intelligent transfusion monitoring terminal device;
the intelligent transfusion monitoring terminal device also comprises a first hook;
a hanging ring is arranged in the middle of the upper surface of the shell; a first hook hole and a distance measuring hole which are communicated with a shell cavity of the shell are respectively arranged on the lower bottom surface of the shell;
the weighing end of the weighing sensor is also fixedly connected with a pressure-sensitive sensor which is connected with the controller;
the upper end of the first hook movably passes through the first hook hole and then is connected to the weighing end of the weighing sensor; the ranging sensor is arranged in the ranging hole; the voice prompter, the display, the data processing module, the timer, the weighing sensor, the memory and the ranging sensor are respectively connected with the controller. The voice prompt and the display are both disposed on the outer surface of the housing.
At the beginning of infusion, the type of the infusion container is detected by the distance measuring sensor to be an infusion bag infusion container or a glass bottle infusion container. Detecting the initial weight G0 of the hung weight hung on the first hook by using a weighing sensor; the hung weight is an infusion container filled with infusion solution; the type of the infusion container can only be one of an infusion bag infusion container or a glass bottle infusion container, so that the type of the infusion container is judged by means of a distance measuring sensor within a set time period T1 minutes from the beginning of infusion; the specification of the transfusion bag and the transfusion container is only a plurality of bags with standard volume specifications, and the self weight of each bag with standard volume specification is fixed; likewise, the glass bottle transfusion container has only a plurality of standard-capacity bottles, and the self weight of each standard-capacity bottle is fixed; because the infusion containers with different standard capacity specifications correspond to the different initial weights G0 of one type of infusion container at the beginning of infusion, the standard capacity specification of the infusion container with the current type is determined; the number of drops in the infusion tube is measured by means of a pressure sensor.
At the beginning of infusion, i.e. at 0 min, the distance from the distance measuring sensor to the infusion container is measured multiple times with the distance measuring sensor and an average L0 is obtained, and then at T1 min, the distance from the distance measuring sensor to the infusion container is measured multiple times with the distance measuring sensor and an average L1 is obtained. And then obtaining the distance L2 = L1-L0 between the distance measuring sensor and the infusion container, judging that the infusion container is an infusion bag infusion container if L2 is larger than a set value, and judging that the infusion container is a glass bottle infusion container if L2 is within the set value.
The scheme has good reliability and is convenient for obtaining accurate transfusion completion information. The scheme is convenient for obtaining accurate and reliable transfusion completion information during transfusion, and has good reliability and high safety.
Preferably, the intelligent infusion monitoring terminal device further comprises an empty tube detector which can be connected to the infusion tube in a clamping mode and can detect whether solution exists in the infusion tube, and the empty tube detector is connected with the controller through a wire.
At the start of infusion, the empty tube detector is clampingly connected to the upper end of the infusion tube, and the empty tube detector is arranged on the infusion tube between the infusion bag and the drip observation portion of the infusion tube. Whether the infusion tube is filled with infusion solution or not is detected by the empty tube detector, so that the obtained infusion completion information is more accurate.
Preferably, the hollow tube detector comprises a first clip, a first infrared lamp capable of directional irradiation, a first infrared receiver and a second infrared receiver; the left branch inner clamping wall of the first clamp is provided with a first left half through hole, the right branch inner clamping wall of the first clamp is respectively provided with a first right half through hole and a second right half through hole, and the first right half through hole is positioned below the second right half through hole; the first infrared lamp is arranged in the first left half through hole, the first infrared receiver is arranged in the first right half through hole, and the second infrared receiver is arranged in the second right half through hole; after the first clamp clamps the infusion tube, if the infusion tube does not contain infusion solution, the refraction of the infrared light emitted by the first infrared lamp is small and can not be received by the first infrared receiver, and if the infusion tube contains infusion solution, the refraction of the infrared light emitted by the first infrared lamp can not be received by the first infrared receiver and can not be received by the second infrared receiver; the control end of the first infrared lamp, the first infrared receiver and the second infrared receiver are respectively connected with the main control board; the left branch of the first clamp and the right branch of the first clamp are connected through a hinge, and the clamping force of the first clamp is formed by respectively extruding a first extrusion spring on the left branch and the right branch at two ends.
Preferably, the intelligent transfusion monitoring terminal device further comprises a pull-preventing clip which can be connected to the transfusion tube in a clamping mode, and two ends of one pull-preventing rope are respectively and fixedly connected to the shell and the pull-preventing clip.
When the infusion is started, the anti-pulling clamp is clamped on the infusion tube between the infusion bag and the drip observation part of the infusion tube. The anti-pulling clamp is arranged, so that the infusion bag is not easy to be pulled to the infusion tube below the anti-pulling clamp in the infusion process, and the weighing data detected by the weighing sensor is more accurate and reliable.
Preferably, the ranging holes include an inner ranging hole and an outer ranging hole, and the ranging sensor includes an inner infrared ranging sensor disposed in the inner ranging hole and an outer infrared ranging sensor disposed in the outer ranging hole, and the inner infrared ranging sensor and the outer infrared ranging sensor are respectively connected with the controller.
Preferably, the distance from the inner side ranging hole to the first hook hole is smaller than the distance from the first hook hole to the outer side ranging hole, and the inner side ranging hole and the outer side ranging hole are arranged on the same side of the first hook hole.
The control method of the intelligent transfusion monitoring terminal device comprises an installation method and a transfusion monitoring control method;
the using and installing method comprises the following steps:
hanging the infusion monitor on an infusion support by means of a hanging ring, hanging an infusion container filled with infusion solution on a first hook of the infusion monitor, and starting an intelligent infusion monitoring terminal device;
the infusion monitoring control method comprises the following steps:
s1, detecting the initial weight G0 of a hung weight hung on a first hook by using a weighing sensor when transfusion starts; the hung weight is an infusion container filled with infusion solution;
s2, judging the type of the infusion container by means of a distance measuring sensor within a set time period T1 minutes from the beginning of infusion because the type of the infusion container can only be one of an infusion bag infusion container or a glass bottle infusion container;
the specification of the transfusion bag and the transfusion container is only a plurality of bags with standard volume specifications, and the self weight of each bag with standard volume specification is fixed; likewise, the glass bottle transfusion container has only a plurality of standard-capacity bottles, and the self weight of each standard-capacity bottle is fixed;
s3, determining standard capacity specifications of the current type of infusion container because the infusion containers with different standard capacity specifications correspond to different initial weights G0 of the infusion container when the infusion starts; and the self weight G1 of the transfusion container of each type of standard capacity specification is also fixed, so the total weight G2 of transfusion solution in the transfusion container at the beginning of transfusion is obtained after the self weight G1 of the transfusion container is subtracted from the initial weight G0 of the hung weight;
s4, obtaining the reduced weight G3 of the infusion solution within any set time length T2 minutes by means of a weighing sensor;
s5, detecting the drip times N0 of the infusion tube within the arbitrary set time period T2 minutes by means of the pressure-sensitive sensor because the drip times are equal to the drip vibration times in the infusion tube detected by the pressure-sensitive sensor;
s6, calculating the drip times N1 of one gram of required infusion solution and the average time T3 of one gram of required infusion solution by means of a data processing module;
s7, multiplying the total weight G2 of the infusion solution by the total dropping frequency N1 of the infusion solution required for dropping one gram, wherein the total dropping frequency N2 required for dropping the total weight G2 of the infusion solution in the whole infusion container is equal; meanwhile, the total time length T4 required by the total weight G2 of the infusion solution after the infusion is completely dripped can be calculated;
s8, subtracting the detected drip times N3 from the infusion start time to the current time T5 in the infusion tube detected by the pressure-sensitive sensor from the total drip times N2, and taking an absolute value to obtain a drip times completion difference N4;
s9, judging that the transfusion is finished if the difference value N4 of the number of times of the transfusion is smaller than or equal to the set secondary value N6, and judging that the transfusion is not finished if the difference value N4 of the number of times of the transfusion is larger than the set secondary value N6;
in the infusion process, under the control of a controller, simultaneously displaying information of the total weight G2 of the infusion solution, information of total time length T4 required for dripping the total weight G2 of the infusion solution, information of average number of drops N7 per minute, information of a difference value N4 of the number of times of dripping and information whether infusion is finished or not on a display; and the voice prompt device plays the information displayed by the display device in a set time interval.
The control method is convenient for obtaining accurate and reliable transfusion completion information during transfusion, and has good reliability and high safety.
Preferably, in step S8, after subtracting the detected number of drops N3 from the infusion start time to the current time T5 in the infusion tube detected by the pressure sensitive sensor from the total number of drops N2, taking an absolute value, and further subtracting a corrected number of drops N5, taking an absolute value again, to obtain a number of drops completion difference N4;
in step S8, the weight G4 of the infusion solution reduced in the infusion container from the infusion start time to the current time T5 is also detected by the weighing sensor and calculated by the data processing module; the time length T6 used from the beginning time of transfusion to the current time T5 is recorded by a timer;
the corrected number of drops N5 is equal to (T4.gt6) + (G2.g4). Times.N 0 times the rounded number of drops.
Preferably, the intelligent transfusion monitoring terminal device further comprises an empty tube detector which can be connected to the transfusion tube in a clamping manner and can detect whether a solution exists in the transfusion tube at the position, and the empty tube detector is connected with the controller through a wire; the empty pipe detector is arranged on the infusion tube between the infusion container and the drip observation part of the infusion tube during infusion;
in step S9, if the number of times of drip completion difference N4 is less than or equal to the set number of times N6, and the empty tube detector detects that there is no infusion solution in the infusion tube at the empty tube detector, it is determined that infusion is completed, and if the number of times of drip completion difference N4 is greater than the set number of times N6, it is determined that infusion is not completed.
The invention can achieve the following effects:
the invention is convenient for obtaining accurate and reliable transfusion completion information during transfusion, and has good reliability and high safety.
Drawings
Fig. 1 is a schematic block diagram of a circuit principle connection structure according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a connection structure according to the present invention.
Fig. 3 is a schematic view of a connection structure in a use state according to an embodiment of the invention.
FIG. 4 is a schematic view showing a cross-sectional use state when the empty tube detector according to the embodiment of the present invention is clamped to an infusion tube and an infusion solution is still contained in the infusion tube.
Fig. 5 is a schematic view showing a cross-sectional use state in which the empty tube detector according to the embodiment of the present invention is clamped to an infusion tube and an infusion solution is not contained in the infusion tube.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Embodiment 1, referring to fig. 1-3, the intelligent infusion monitoring terminal device comprises a housing, a controller 39, a voice prompt H1, a display H2, a data processing module u60, a timer u61, a weighing sensor 41, a memory 46, a distance measuring sensor u43 and a first battery which is arranged in the housing cavity of the housing and is used for providing power for all electric devices on the intelligent infusion monitoring terminal device;
the intelligent transfusion monitoring terminal device also comprises a first hook 43;
a hanging ring 44 is arranged in the middle of the upper surface of the shell; a first hook hole u62 and a distance measuring hole u63 which are communicated with the shell cavity of the shell are respectively arranged on the lower bottom surface of the shell;
a pressure-sensitive sensor u41 is fixedly connected to the weighing end of the weighing sensor, and the pressure-sensitive sensor is connected with the controller;
the upper end of the first hook movably passes through the first hook hole and then is connected to the weighing end of the weighing sensor; the ranging sensor is arranged in the ranging hole; the voice prompter H1, the display H2, the data processing module, the timer, the weighing sensor, the memory and the ranging sensor are respectively connected with the controller.
The intelligent transfusion monitoring terminal device further comprises a pull-proof clip u66 which can be connected to the transfusion tube in a clamping mode, and two ends of one pull-proof rope u65 are respectively and fixedly connected to the shell and the pull-proof clip.
The control method of the intelligent transfusion monitoring terminal device comprises an installation method and a transfusion monitoring control method;
the using and installing method comprises the following steps:
the infusion monitor is hung on an infusion support by means of a hanging ring, then an infusion container u56 filled with infusion solution is hung on a first hook of the infusion monitor, and then an intelligent infusion monitor terminal device is started;
the infusion monitoring control method comprises the following steps:
s1, detecting the initial weight G0 of a hung weight hung on a first hook by using a weighing sensor when transfusion starts; the hung weight is an infusion container filled with infusion solution;
for example, an initial weight g0=600 grams.
S2, judging the type of the infusion container by means of a distance measuring sensor within a set time period T1 minutes from the beginning of infusion because the type of the infusion container can only be one of an infusion bag infusion container or a glass bottle infusion container;
for example, infusion is started from 0 minutes, and the set time period t1=5 minutes.
The specification of the transfusion bag and the transfusion container is only a plurality of bags with standard volume specifications, and the self weight of each bag with standard volume specification is fixed; likewise, the glass bottle transfusion container has only a plurality of standard-capacity bottles, and the self weight of each standard-capacity bottle is fixed;
for example, the infusion containers generally comprise glass bottle infusion containers and plastic bag infusion containers, and the volumes of the infusion containers are generally 50ml, 100ml, 250ml and 500ml, but the self weights of the plastic bag infusion containers with different volumes are different, and the self weights of the glass bottle infusion containers with different volumes are also different.
For example, a 500ml vial infusion container has a standard volume specification of 250 grams by itself. A standard 250ml vial infusion container has a weight of 200 grams. A standard 100ml vial infusion container has a weight of 150 grams. A50 ml bottle infusion container of standard capacity specification has a weight of 100 grams.
A plastic bag infusion container with a standard volume specification of 500ml has a self weight of 80 grams. A plastic bag infusion container of standard capacity specification 250ml has a weight of 60 grams. A plastic bag infusion container of standard capacity specification 100ml has a weight of 40 grams. A plastic bag infusion container of standard capacity specification 50ml has a self weight of 20 grams.
At the beginning of infusion, i.e. at 0 min, the distance from the distance measuring sensor to the infusion container is measured multiple times with the distance measuring sensor and an average L0 is obtained, and then at T1 min, the distance from the distance measuring sensor to the infusion container is measured multiple times with the distance measuring sensor and an average L1 is obtained. And then obtaining the distance L2 = L1-L0 between the distance measuring sensor and the infusion container, judging that the infusion container is an infusion bag infusion container if L2 is larger than a set value, and judging that the infusion container is a glass bottle infusion container if L2 is within the set value.
S3, determining standard capacity specifications of the current type of infusion container because the infusion containers with different standard capacity specifications correspond to different initial weights G0 of the infusion container when the infusion starts; and the self weight G1 of the transfusion container of each type of standard capacity specification is also fixed, so the total weight G2 of transfusion solution in the transfusion container at the beginning of transfusion is obtained after the self weight G1 of the transfusion container is subtracted from the initial weight G0 of the hung weight;
assuming that the current 500ml glass bottle infusion container is obtained by measurement and calculation, when the infusion is started, the total weight g2 of the infusion solution is 600G as an initial weight-the self weight of the glass bottle infusion container is 250 g=350G.
S4, obtaining the reduced weight G3 of the infusion solution within any set time length T2 minutes by means of a weighing sensor;
let t2=5 minutes, g3=20 grams.
S5, detecting the drip times N0 of the infusion tube within the arbitrary set time period T2 minutes by means of the pressure-sensitive sensor because the drip times are equal to the drip vibration times in the infusion tube detected by the pressure-sensitive sensor;
let n0=300 drops, i.e. n0=300 times.
S6, calculating the drip times N1 of one gram of required infusion solution and the average time T3 of one gram of required infusion solution by means of a data processing module;
n1=n0/g3=300 drops/20 g=15 drops/G;
t3=t2++n0=5 minutes ++300 drops ++300 seconds ++300 drops =1 second/drop;
s7, multiplying the total weight G2 of the infusion solution by the total dropping frequency N1 of the infusion solution required for dropping one gram, wherein the total dropping frequency N2 required for dropping the total weight G2 of the infusion solution in the whole infusion container is equal; meanwhile, the total time length T4 required by the total weight G2 of the infusion solution after the infusion is completely dripped can be calculated;
n2=g2/n1=350 g×15 drops/g=5250 drops;
t4=n2×t3=5250 drops×1 second/drop=5250 seconds=87.5 minutes;
s8, subtracting the detected drip times N3 from the infusion start time to the current time T5 in the infusion tube detected by the pressure-sensitive sensor from the total drip times N2, and taking an absolute value to obtain a drip times completion difference N4;
assuming n3=5280 drops, t5=5250 seconds,
then there is n4= |5250-5280|drop = 30 drops;
s8, subtracting the absolute value of the detected drip times N3 from the beginning of infusion to the current moment T5 in the infusion tube detected by the pressure-sensitive sensor from the total drip times N2 to obtain a drip times completion difference N4;
and S9, judging that the transfusion is finished if the difference value N4 of the number of times of the transfusion is smaller than or equal to the set secondary value N6, and judging that the transfusion is not finished if the difference value N4 of the number of times of the transfusion is larger than the set secondary value N6.
Let n6=30 drops;
in the infusion process, under the control of a controller, simultaneously displaying information of the total weight G2 of the infusion solution, information of total time length T4 required for dripping the total weight G2 of the infusion solution, information of average number of drops N7 per minute, information of a difference value N4 of the number of times of dripping and information whether infusion is finished or not on a display; and the voice prompt device plays the information displayed by the display device in a set time interval.
The embodiment is convenient for obtaining accurate and reliable transfusion completion information during transfusion, and has good reliability and high safety.
Embodiment 2, see fig. 1-3, embodiment 2 differs from embodiment 1 in that the ranging holes include an inner ranging hole U68 and an outer ranging hole U67, the ranging sensors include an inner infrared ranging sensor U58 disposed in the inner ranging hole and an outer infrared ranging sensor U59 disposed in the outer ranging hole, and the inner infrared ranging sensor and the outer infrared ranging sensor are connected to the controller, respectively.
The distance from the inner side ranging hole to the first hook hole is smaller than the distance from the first hook hole to the outer side ranging hole, and the inner side ranging hole and the outer side ranging hole are arranged on the same side of the first hook hole.
The distance is measured through the outer infrared distance measuring sensor and the inner infrared distance measuring sensor, so that the measured distance is more accurate and reliable. The type of the transfusion container can be judged more easily. In the multiple ranging detection performed by the outside infrared ranging sensor and the inside infrared ranging sensor simultaneously.
If the average distance obtained by subtracting the average distance obtained by the inner infrared distance measuring sensor from the average distance obtained by the outer infrared distance measuring sensor is equal to or more than a set value, it can be determined that the infusion bag and the infusion container are currently used.
If the average distance obtained by subtracting the average distance obtained by the inner infrared distance measuring sensor from the average distance obtained by the outer infrared distance measuring sensor is smaller than the set value, the current use of the glass bottle transfusion container can be judged.
Example 3, as shown in fig. 1-3, example 3 differs from example 1 in that,
in step S8 of embodiment 1, after subtracting the detected number of drops N3 from the start of infusion to the current time T5 in the infusion tube detected by the pressure sensitive sensor from the total number of drops N2, taking an absolute value, subtracting a corrected number of drops N5, and taking an absolute value again, the number of drops completion difference N4 can be obtained;
in step S8, the weight G4 of the infusion solution reduced in the infusion container from the infusion start time to the current time T5 is also detected by the weighing sensor and calculated by the data processing module; the time length T6 used from the beginning time of transfusion to the current time T5 is recorded by a timer;
the corrected number of drops N5 is equal to (T4.gt6) + (G2.g4). Times.N 0 times the rounded number of drops.
G4 =350 g, t5=5250 seconds, t6=5250 seconds;
n5= | (t4++t6) + (g2++g4) |droplet= |5250 seconds++5250 seconds) +350 grams+|droplet=2 droplets;
n4= |n2-n3| -n5|= |5250-5280| -n5|droplet= |30-2|droplet = 28.
The infusion completion information is obtained accurately and reliably during infusion, and the infusion completion information is good in reliability and high in safety.
Example 4, as shown in fig. 1-5, example 4 differs from example 1 or example 3 in that,
the intelligent transfusion monitoring terminal device also comprises an empty pipe detector 42 which can be connected to the transfusion tube u45 in a clamping way and can detect whether the transfusion tube is provided with a solution or not, and the empty pipe detector is connected with the controller through a lead 47; the empty pipe detector 42 is arranged on the infusion tube between the infusion container u56 and the drip observation part u57 of the infusion tube during infusion;
the empty tube detector comprises a first clip u55, a first infrared lamp u44, a first infrared receiver u50 and a second infrared receiver u49 which can directionally irradiate; a left half through hole is formed in the inner clamping wall of the left branch u51 of the first clamp, a right half through hole and a second right half through hole are respectively formed in the inner clamping wall of the right branch u54 of the first clamp, and the first right half through hole is positioned below the second right half through hole; the first infrared lamp is arranged in the first left half through hole, the first infrared receiver is arranged in the first right half through hole, and the second infrared receiver is arranged in the second right half through hole; after the first clamp clamps the infusion tube, if the infusion solution u46 does not exist in the infusion tube, the infrared light u47 emitted by the first infrared lamp can not be received by the second infrared receiver u49 due to the fact that the generated refraction u48 is small, and if the infusion solution u46 exists in the infusion tube, the infrared light u47 emitted by the first infrared lamp can not be received by the first infrared receiver u50 due to the fact that the generated refraction u48 is large; the control end of the first infrared lamp, the first infrared receiver and the second infrared receiver are respectively connected with the main control board; the left branch of the first clip and the right branch of the first clip are connected through a hinge u52, and the clamping force of the first clip is formed by a first extrusion spring u53 with two ends respectively extruded on the left branch and the right branch.
When the first infrared receiver detects the infrared signal emitted by the first infrared lamp during transfusion, the fact that no transfusion solution is in the transfusion tube at the empty tube detector at the moment is indicated to be an empty tube. When the infrared receiver II detects the infrared signal emitted by the infrared lamp I, the fact that the infusion solution is in the infusion tube at the empty tube detector at the moment is indicated, and the infusion solution is not in the empty tube.
In step S9 of embodiment 1, if the number of completion differences N4 of the liquid drops is less than or equal to the set number of times N6, and the empty tube detector detects that there is no liquid in the liquid transfer tube at the empty tube detector, it is determined that the liquid transfer is completed, and if the number of completion differences N4 of the liquid drops is greater than the set number of times N6, it is determined that the liquid transfer is not completed.
The embodiment ensures that the monitoring information of the infusion completion is better in reliability, and more accurate information of the infusion completion is obtained.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the embodiments are not limited to the above examples, and various changes or modifications may be made by one of ordinary skill in the art within the scope of the appended claims.
Claims (1)
1. The intelligent transfusion monitoring terminal device is characterized by comprising a shell, a controller (39), a voice prompt (H1), a display (H2), a data processing module (u 60), a timer (u 61), a weighing sensor (41), a memory (46), a distance measuring sensor (u 43) and a first battery, wherein the controller (39), the voice prompt (H1), the display (H2), the data processing module (u 60), the timer (u 61), the weighing sensor (41), the memory (46), the distance measuring sensor (u 43) and the first battery are arranged in the shell cavity of the shell and used for providing power for all electric appliances on the intelligent transfusion monitoring terminal device;
the intelligent transfusion monitoring terminal device also comprises a first hook (43);
a hanging ring (44) is arranged in the middle of the upper surface of the shell; a first hook hole (u 62) and a distance measuring hole (u 63) which are communicated with the shell cavity of the shell are respectively arranged on the lower bottom surface of the shell;
a pressure-sensitive sensor (u 41) is fixedly connected to the weighing end of the weighing sensor, and the pressure-sensitive sensor is connected with the controller;
the upper end of the first hook movably passes through the first hook hole and then is connected to the weighing end of the weighing sensor; the ranging sensor is arranged in the ranging hole; the voice prompter, the display, the data processing module, the timer, the weighing sensor, the memory and the ranging sensor are respectively connected with the controller;
the intelligent transfusion monitoring terminal device also comprises a pull-proof clip (u 66) which can be clamped and connected on the transfusion tube, and two ends of a pull-proof rope (u 65) are respectively fixedly connected on the shell and the pull-proof clip;
the ranging holes comprise an inner side ranging hole (U68) and an outer side ranging hole (U67), the ranging sensors comprise an inner side infrared ranging sensor (U58) arranged in the inner side ranging hole and an outer side infrared ranging sensor (U59) arranged in the outer side ranging hole, and the inner side infrared ranging sensor and the outer side infrared ranging sensor are respectively connected with the controller;
the distance from the inner side ranging hole to the first hook hole is smaller than the distance from the first hook hole to the outer side ranging hole, and the inner side ranging hole and the outer side ranging hole are arranged on the same side of the first hook hole;
the intelligent transfusion monitoring terminal device also comprises an empty pipe detector (42) which can be connected to the transfusion tube (u 45) in a clamping way and can detect whether the transfusion tube is provided with a solution or not, and the empty pipe detector is connected with the controller through a lead (47);
the empty tube detector comprises a first clip (u 55), a first infrared lamp (u 44) capable of directional irradiation, a first infrared receiver (u 50) and a second infrared receiver (u 49); a left half through hole is formed in the inner clamping wall of the left branch (u 51) of the first clamp, a right half through hole and a second right half through hole are respectively formed in the inner clamping wall of the right branch (u 54) of the first clamp, and the first right half through hole is positioned below the second right half through hole; the first infrared lamp is arranged in the first left half through hole, the first infrared receiver is arranged in the first right half through hole, and the second infrared receiver is arranged in the second right half through hole; after the first clamp clamps the infusion tube, if the infusion solution (u 46) is not in the infusion tube, the infrared light (u 47) emitted by the first infrared lamp can be received by the first infrared receiver (u 50) and can not be received by the second infrared receiver (u 49) because of small generated refraction (u 48), and if the infusion solution (u 46) is in the infusion tube, the infrared light (u 47) emitted by the first infrared lamp can be received by the second infrared receiver (u 49) and can not be received by the first infrared receiver (u 50) because of large generated refraction (u 48); the control end of the first infrared lamp, the first infrared receiver and the second infrared receiver are respectively connected with the main control board; the left branch of the first clamp is connected with the right branch of the first clamp through a hinge (u 52), and the clamping force of the first clamp is formed through a first extrusion spring (u 53) with two ends respectively extruded on the left branch and the right branch;
the control method of the intelligent transfusion monitoring terminal device comprises an installation method and a transfusion monitoring control method;
the using and installing method comprises the following steps:
the transfusion monitor is hung on the transfusion stand by means of the hanging ring, then the transfusion container (u 56) containing transfusion solution is hung on the first hook of the transfusion monitor,
clamping the anti-pulling clamp on the infusion tube between the infusion bag and the drip observation part of the infusion tube;
arranging a hollow tube detector on the infusion tube between the infusion container and the drip observation portion of the infusion tube;
then starting the intelligent transfusion monitoring terminal device;
the infusion monitoring control method comprises the following steps:
s1, detecting the initial weight G0 of a hung weight hung on a first hook by using a weighing sensor when transfusion starts; the hung weight is an infusion container filled with infusion solution;
s2, judging the type of the infusion container by means of a distance measuring sensor within a set time period T1 minutes from the beginning of infusion because the type of the infusion container can only be one of an infusion bag infusion container or a glass bottle infusion container;
the specification of the transfusion bag and the transfusion container is only a plurality of bags with standard volume specifications, and the self weight of each bag with standard volume specification is fixed; likewise, the glass bottle transfusion container has only a plurality of standard-capacity bottles, and the self weight of each standard-capacity bottle is fixed;
when infusion starts, namely, when the infusion starts for 0 min, the distance between the distance measuring sensor and the infusion container is measured for a plurality of times by using the distance measuring sensor to obtain an average L0, and then when the infusion starts for T1 min, the distance between the distance measuring sensor and the infusion container is measured for a plurality of times by using the distance measuring sensor to obtain an average L1; then obtaining the distance L2 = L1-L0 between the distance measuring sensor and the infusion container, judging that the infusion container is an infusion bag infusion container if L2 is larger than a set value, and judging that the infusion container is a glass bottle infusion container if L2 is within the set value;
s3, determining standard capacity specifications of the current type of infusion container because the infusion containers with different standard capacity specifications correspond to different initial weights G0 of the infusion container when the infusion starts; and the self weight G1 of the transfusion container of each type of standard capacity specification is also fixed, so the total weight G2 of transfusion solution in the transfusion container at the beginning of transfusion is obtained after the self weight G1 of the transfusion container is subtracted from the initial weight G0 of the hung weight;
s4, obtaining the reduced weight G3 of the infusion solution within any set time length T2 minutes by means of a weighing sensor;
s5, detecting the drip times N0 of the infusion tube within the arbitrary set time period T2 minutes by means of the pressure-sensitive sensor because the drip times are equal to the drip vibration times in the infusion tube detected by the pressure-sensitive sensor;
s6, calculating the drip times N1 of one gram of required infusion solution and the average time T3 of one gram of required infusion solution by means of a data processing module;
s7, multiplying the total weight G2 of the infusion solution by the total dropping frequency N1 of the infusion solution required for dropping one gram, wherein the total dropping frequency N2 required for dropping the total weight G2 of the infusion solution in the whole infusion container is equal; meanwhile, the total time length T4 required by the total weight G2 of the infusion solution after the infusion is completely dripped can be calculated;
s8, subtracting the detected drip times N3 from the infusion start time to the current time T5 in the infusion tube detected by the pressure-sensitive sensor from the total drip times N2, and taking an absolute value to obtain a drip times completion difference N4;
s9, when the infrared receiver detects an infrared signal emitted by the infrared lamp I, the fact that no infusion solution exists in the infusion tube at the empty tube detector at the moment is indicated to be an empty tube; when the infrared receiver II detects the infrared signal emitted by the infrared lamp I, the transfusion solution is contained in the transfusion tube at the empty tube detector at the moment, and the transfusion solution is not an empty tube;
if the difference N4 of the completion times of the liquid drops is smaller than or equal to the set number N6, and the empty tube detector detects that no infusion solution exists in the infusion tube at the empty tube detector, the completion of the infusion is judged, and if the difference N4 of the completion times of the liquid drops is larger than the set number N6, the completion of the infusion is judged;
in the infusion process, under the control of a controller, simultaneously displaying information of the total weight G2 of the infusion solution, information of total time length T4 required for dripping the total weight G2 of the infusion solution, information of average number of drops N7 per minute, information of a difference value N4 of the number of times of dripping and information whether infusion is finished or not on a display; and the voice prompt device plays the information displayed by the display device in a set time interval.
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