CN107050570A - A kind of pressure inductive transfusion monitoring device and method - Google Patents
A kind of pressure inductive transfusion monitoring device and method Download PDFInfo
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- CN107050570A CN107050570A CN201710194899.9A CN201710194899A CN107050570A CN 107050570 A CN107050570 A CN 107050570A CN 201710194899 A CN201710194899 A CN 201710194899A CN 107050570 A CN107050570 A CN 107050570A
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- Prior art keywords
- pressure
- transfusion
- liquid
- processor
- speed
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- 230000001939 inductive effect Effects 0.000 title claims abstract description 18
- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000001802 infusion Methods 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims abstract description 12
- 239000003814 drug Substances 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000009795 derivation Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 210000003462 vein Anatomy 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Abstract
The present invention relates to a kind of pressure inductive transfusion monitoring device and method, including improve infusion bottle, minute-pressure pressure sensor, processor, warning device；Improve infusion bottle bottom and be provided with pressure sensor slot, sensor probe inserts infusion bottle slot when using, the sensor other end is connected by wire with processor, and processor is connected with warning device.Processor is handled pressure data in real time, obtains liquid height and transfusion speed.This transfusion monitoring device overall structure is simple, with it is theoretical it is reliable, meet modern transfusion standard, effectively improve vein treatment quality.
Description
Technical field
The present invention relates to a kind of pressure inductive transfusion monitoring device and method, belong to field of medical equipment.
Background technology
In modern medical service technology, it is single to there is function in venous transfusion, the problems such as sufferer experience is not good.Due to not infusing
Monitoring alarm device, often leads to sufferer and its retinue and works hard very much and tired, or even carelessness causes air to inject human body
Life-threatening；The different state of an illness have different standards to transfusion speed, sufferer be smart it is uncomfortable, but due to not curing
Gain knowledge, also dare not easily adjust transfusion speed.
The monitoring infusion technical scheme of current main flow has：(1) infusion bottle gravity detection method：This method is easily by environment shadow
Ring, sensitivity is relatively low.(2) photoelectric detection method：This methodological function is single, generally can not monitor in real time, poor for applicability.(3) it is electric
Hold detection method：This method can cause decoction internal particle to move, and cause density unevenness of infusing.
The content of the invention
For problem present in technical background, the invention provides a kind of transfusion monitoring device of pressure inductive and side
Method.
The technical solution adopted in the present invention is：A kind of pressure inductive transfusion monitoring device, including infusion bottle 1, pressure
Sensor 2, processor 3, warning device 4；The bottom of infusion bottle 1 is provided with slot, and pressure sensor probe 5 inserts infusion bottle and inserted
Groove, the other end of pressure sensor 2 is connected by wire with processor 3, and processor 3 is connected with warning device 4, slot piezometric surface 6
That is the contact surface of slot and pressure sensor 2 is elastic film, it is to avoid sensor probe is contacted with decoction, and makes water pressure good
Be delivered on probe.
The pressure sensor 2 is minute-pressure pressure sensor, and pressure sensor probe 5 inserts both close patches after slot
Close.
The pressure sensor 2 uses QBE2002-P20 minute-pressure pressure sensors.
The warning device 4 includes buzzer siren, LED light, electronic console.
The processor 3 uses STC89c52 single-chip microcomputers.
The method that monitoring infusion is carried out using above-mentioned pressure inductive transfusion monitoring device, is comprised the following steps：
A, pressure sensor 2 pass to processor 3 by pressure values are measured；
B, the processor 3 are handled pressure data in real time, are calculated according to gained pressure values and pressure values rate of change
Go out liquid height and transfusion speed, preset by real-time liquid is high and transfusion speed is respectively with processor setting the high lower limit of liquid and speed
Value compares, and processor 3 sends signal to warning device 4.
The step A by pressure sensor 2 specifically, obtain the pressure values P of infusion bottle 1 bottom and by the pressure values
Storage.
The step B is specially：
It is per second in B1, step A to collect pressure value of storage, obtain m group pressure value Ps1、P2…Pn…Pm, n ∈ (1, m),
According to formula p=ρMedicineGh, wherein P are pressure, ρMedicineFor liquid medicine density, h is liquid height, and g is acceleration of gravity, makes decoction density
ρMedicine≈ρWater=103kg/m3, gravity acceleration g=9.8N/kg, then pressure value be PnWhen liquid it is high
The high h of liquid obtained in B2, step B1nIt is multiplied by infusion bottle bottom area A (cm2), obtain extraction raffinate volume
B3, the extraction raffinate volume V to being obtained in step B2n, V-T relation curve can be obtained, with V to T derivations, wherein Tn+1-Tn=
1, obtain transfusion speed
B4, transfusion state determined according to real-time liquid high h and transfusion speed s.
The B4 steps are specially：
If the 1. high h of liquid>The high lower limit of liquid, transfusion speed s=speed preset values are then infused normal；
If the 2. high h of liquid>The high lower limit of liquid, transfusion speed s ≠ speed preset value then infuses abnormal；
If 3. the high high lower limit of h≤liquid of liquid and transfusion speed s=speed preset values, infuse and close to an end.
The high lower limit of liquid is 1-2cm；Transfusion speed preset value includes general transfusion speed preset value：4-6ml/min,
Quick infusion speed preset value：10-25ml/min and at a slow speed transfusion speed preset value：0.5-4ml/min.
The course of work and operation principle of the present invention：
This infusion device is handled pressure data in real time by pressure sensitive, obtains liquid height and transfusion speed, processing
Device is provided with the high lower limit of liquid and speed preset value, pre- with the high lower limit of liquid and speed respectively by real-time liquid height and transfusion speed
If value compares, processor sends signal to warning device.
The beneficial effects of the invention are as follows：It is simple in construction, meet modern transfusion standard, effectively improve vein treatment quality；More
Plus hommization, sufferer can be adjusted with reference to autoreactivity in infusion flow rate values.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial structurtes schematic diagram of the present invention；
In figure：1 is infusion bottle, and 2 be pressure sensor, and 3 be processor, and 4 be warning device, and 5 be pressure sensor probe,
6 be slot piezometric surface.
Embodiment
By specific embodiment, the invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1：As shown in Figure 1-2, a kind of pressure inductive transfusion monitoring device, including infusion bottle 1, pressure sensor
2nd, processor 3, warning device 4；The bottom of infusion bottle 1 is provided with slot, and pressure sensor probe 5 inserts infusion bottle slot, pressure
The other end of force snesor 2 is connected by wire with processor 3, and processor 3 is connected with warning device 4, and slot piezometric surface 6 is slot
Contact surface with pressure sensor 2 is elastic film, it is to avoid sensor probe is contacted with decoction, and makes the transmission of water pressure well
Onto probe.
The pressure sensor 2 is minute-pressure pressure sensor, and pressure sensor probe 5 inserts both close patches after slot
Close.
The pressure sensor 2 uses QBE2002-P20 minute-pressure pressure sensors.
The warning device 4 includes buzzer siren, LED light, electronic console.
The processor 3 uses STC89c52 single-chip microcomputers.
Embodiment 2：If sufferer needs general speed transfusion i.e. transfusion speed preset value to be 4-6ml/min.Assuming that liquid is high
Lower limit is 1.5cm, infusion bottle bottom area A=30.000cm2；Work as T0During=0s, the pressure that pressure sensor 2 is transmitted to processor 3
Intensity values P0=980000pa；T1During=2s, the pressure values P that pressure sensor 2 is transmitted to processor 31=979747pa；T2=4s
When, the pressure values P that pressure sensor 2 is transmitted to processor 32=979377pa.
1st, with knowledge of hydraulics p=ρ gh, decoction density p is madeMedicine≈ρWater=103kg/m3, gravity acceleration g=9.8N/
Kg, then liquid is high：
2nd, the high h of liquidnIt is multiplied by infusion bottle bottom area A=30.000cm2, obtain extraction raffinate volume:
3rd, with V to T derivations, T1-T0=1, T2-T1=1, obtain transfusion speed:
In T1Moment：h1=9.997cm>Liquid high lower limit 1.5cm, S1=4.645ml/min ∈ [4,6], meet normal defeated
Liquid requirement, processor 3 passes information to warning device 4.Warning device 4 includes buzzer siren, LED light, electronic display
Show device.Buzzer siren is closed in warning device 4；LED light is green；Electronic console shows the high 9.997cm of liquid and defeated
Liquid speed degree 4.645ml/min.
In T2Moment：h2=9.994cm>The high lower limit 1.5cm of liquid,Belong to transfusion abnormal,
Processor 3 passes information to warning device 4.Buzzer siren is opened in warning device 4；LED light is red；Electronic display
Show that device shows liquid high 9.994cm and transfusion speed 6.793ml/min.
Embodiment 3：If sufferer needs quick infusion i.e. transfusion speed preset value to be 10-25ml/min.Assuming that liquid relative superiority or inferiority
Limit value is 1.5cm, infusion bottle bottom area A=30.000cm2；Work as T5400During=1.5h, pressure sensor 2 is transmitted to processor 3
Pressure values p5400=147694pa；T5401During=1.5h+1s, the pressure values p that pressure sensor 2 is transmitted to processor 35401=
146804pa：
1st, with knowledge of hydraulics p=ρ gh, decoction density p is madeMedicine≈ρWater=103kg/m3, gravity acceleration g=9.8N/
Kg, then liquid is high：
2nd, the high h of liquidnIt is multiplied by infusion bottle bottom area A=30.000cm2, obtain extraction raffinate volume:
3rd, with V to T derivations, T5401-T5400=1, obtain transfusion speed:
In T5401Moment：h5401=1.498cm<Liquid high lower limit 1.5cm, S5401=16.340ml/min ∈ [10,25],
Meet transfusion to close to an end requirement, processor 3 passes information to warning device 4.Warning device 4 includes buzzer siren, LED
Indicator lamp, electronic console.Buzzer siren is opened in warning device 4；LED light is amber light；Electronic console shows liquid
High 1.498cm and transfusion speed 16.340ml/min.The embodiment of the present invention is explained in detail above in conjunction with figure,
, can be with the knowledge that those of ordinary skill in the art possess but the present invention is not limited to above-mentioned embodiment
Various changes can be made on the premise of present inventive concept is not departed from.
Claims (10)
1. a kind of pressure inductive transfusion monitoring device, it is characterised in that：Including infusion bottle (1), pressure sensor (2), processing
Device (3), warning device (4)；Infusion bottle (1) bottom is provided with slot, and pressure sensor probe (5) inserts infusion bottle slot,
Pressure sensor (2) other end is connected by wire with processor (3), and processor (3) is connected with warning device (4), and slot is surveyed
Pressure surface (6) is slot and the contact surface of pressure sensor (2) is elastic film.
2. pressure inductive transfusion monitoring device according to claim 1, it is characterised in that：The pressure sensor 2 is
Both are brought into close contact after minute-pressure pressure sensor, the insertion slot of pressure sensor probe 5.
3. pressure inductive transfusion monitoring device according to claim 2, it is characterised in that：The pressure sensor 2 is adopted
With QBE2002-P20 minute-pressure pressure sensors.
4. pressure inductive transfusion monitoring device according to claim 1, it is characterised in that：The warning device 4 includes
Buzzer siren, LED light, electronic console.
5. pressure inductive transfusion monitoring device according to claim 1, it is characterised in that：The processor 3 is used
STC89c52 single-chip microcomputers.
6. the pressure inductive transfusion monitoring device according to any one in claim 1-5 carries out the side of monitoring infusion
Method, it is characterised in that：Comprise the following steps：
A, pressure sensor 2 pass to processor 3 by pressure values are measured；
B, the processor 3 are handled pressure data in real time, and liquid is calculated according to gained pressure values and pressure values rate of change
High and transfusion speed, the high lower limit of liquid set respectively with processor by real-time liquid height and transfusion speed and speed preset value ratio
Compared with processor 3 sends signal to warning device 4.
7. pressure inductive monitoring infusion method according to claim 6, it is characterised in that the step A is specifically, logical
Over-pressed force snesor 2 obtains the pressure values p of the bottom of infusion bottle 1 and stores the pressure values.
8. pressure inductive monitoring infusion method according to claim 6, it is characterised in that the step B is specially：
It is per second in B1, step A to collect pressure value of storage, obtain m group pressure value Ps1、P2…Pn…Pm, n ∈ (1, m), according to public affairs
Formula p ρMedicineGh, wherein P are pressure, ρMedicineFor liquid medicine density, h is liquid height, and g is acceleration of gravity, makes decoction density pMedicine≈ρWater=
103kg/m3, gravity acceleration g=9.8N/kg, then pressure value be PnWhen liquid it is high
The high h of liquid obtained in B2, step B1nIt is multiplied by infusion bottle bottom area A (cm2), obtain extraction raffinate volume
B3, the extraction raffinate volume V to being obtained in step B2n, V-T relation curve can be obtained, with V to T derivations, wherein Tn+1-Tn=
1, obtain transfusion speed
B4, transfusion state determined according to real-time liquid high h and transfusion speed s.
9. pressure inductive monitoring infusion method according to claim 8, it is characterised in that：The B4 steps are specially：
If the 1. high h of liquid>The high lower limit of liquid, transfusion speed s=speed preset values are then infused normal；
If the 2. high h of liquid>The high lower limit of liquid, transfusion speed s ≠ speed preset value then infuses abnormal；
If 3. the high high lower limit of h≤liquid of liquid and transfusion speed s=speed preset values, infuse and close to an end.
10. pressure inductive monitoring infusion method according to claim 9, it is characterised in that：The high lower limit of liquid is
1-2cm；Transfusion speed preset value includes general transfusion speed preset value：4-6ml/min, quick infusion speed preset value：10-
25ml/min and at a slow speed transfusion speed preset value：0.5-4ml/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194899.9A CN107050570A (en) | 2017-03-29 | 2017-03-29 | A kind of pressure inductive transfusion monitoring device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194899.9A CN107050570A (en) | 2017-03-29 | 2017-03-29 | A kind of pressure inductive transfusion monitoring device and method |
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| Publication Number | Publication Date |
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| CN107050570A true CN107050570A (en) | 2017-08-18 |
Family
ID=59620672
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| CN201710194899.9A Pending CN107050570A (en) | 2017-03-29 | 2017-03-29 | A kind of pressure inductive transfusion monitoring device and method |
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Application publication date: 20170818 |
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