CN104524665A - Medical infusion monitoring device - Google Patents
Medical infusion monitoring device Download PDFInfo
- Publication number
- CN104524665A CN104524665A CN201410791551.4A CN201410791551A CN104524665A CN 104524665 A CN104524665 A CN 104524665A CN 201410791551 A CN201410791551 A CN 201410791551A CN 104524665 A CN104524665 A CN 104524665A
- Authority
- CN
- China
- Prior art keywords
- probe
- control circuit
- transfusion
- baroceptor
- close
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- A61M5/16886—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
-
- 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
- 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
- A61M5/44—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 having means for cooling or heating the devices or media
Abstract
The invention discloses a medical infusion monitoring device. The medical infusion monitoring device comprises a main machine, a control panel, a barometric sensor probe, a proximity capacitor probe, a flow speed controller and a temperature controller, wherein the main machine is a sealed shell and internally provided with a monitoring circuit and a control circuit; the monitoring circuit comprises a proximity capacitor, a pulse counter, a barometric sensor and an arithmetic unit; the proximity capacitor, the pulse counter, the barometric sensor and the control circuit are connected with the arithmetic unit; the control panel is connected with the arithmetic unit and the control circuit; the barometric sensor probe is perpendicularly connected to a hard sharp-mouth plastic pipe from one side; the barometric sensor probe is connected with the barometric sensor in the main machine through a wire; the proximity capacitor probe is fixed on one side of a drip kettle of an infusion tube; the proximity capacitor probe is connected with the proximity capacitor in the main machine through a wire; the flow speed controller and the temperature controller are clamped on the infusion tube and connected with the control circuit in the main machine through wires.
Description
Technical field
The present invention relates to a kind of Medical infusion monitoring apparatus, belong to care assistor tool technical field.
Background technology
Transfusion is extensively implemented within the hospital as a kind of therapeutic modality of convenience and high-efficiency.General transfusion is for patient and accompany family members, is a very long and boring waiting process, and for nursing staff, is that the process with careful monitoring paid close attention to by needs.The ward of tens of transfusion patients is held between one in usual small-middle hospital, only there is the monitoring of several medical personnel, occur that some look after the dangerous situation not as good as the defeated sky that causes infusing unavoidably, and patient usually when transfusion reading or sleep kill time, also there will be and do not note and the situation of the defeated sky that causes infusing.Therefore need to invent a kind of can the device of automatic monitoring infusion process to alleviate the psychological burden of patient, reduce the labor intensity of medical personnel and save hospital human's cost.
At present, in large branch small-middle hospital, client need oneself moment pays close attention to transfusion progress, and time to close being totally lost, the button call nurse pressing sick bed or chair side comes to change liquid or pulls out pin.This method is not only patient and accompanies family members to bring certain psychological burden, is difficult to feel at ease to have a rest, and some elderly patients causes wrong report because dysphotia is difficult to identification infusion bottle liquid level.In addition because everyone is different to the psychological tolerance of transfusion remaining time, when there to be several patient calling simultaneously, cause medical personnel to be difficult to differentiate the order of importance and emergency, in a rush, mistake occurs frequently.In some hospitals, be configured with the simple infusion alarm of function, when utilizing medicinal liquid to be totally lost, bottle heavily alleviates, drips a kettle and stop dripping or tube for transfusion forms the phenomenon trigger alarm such as gas column, although can reduce the danger that the defeated sky of transfusion occurs technically, but still can not reduce the operating pressure of medical personnel.Further, along with the progress of science and technology, the raising of people's quality of life, increasing people pursues better medical comfort level, comprise and in detail grasp infusion process data, during transfusion, reasonable arrangement is movable, according to oneself body constitution conservative control transfusion speed and fluid temperature etc.Therefore people more need one to monitor and show transfusion progress, infusion flow and remaining time, and can the device of regulating transfusion speed and temperature voluntarily.
Summary of the invention
In order to solve prior art problem, the object of the invention is to the deficiency overcoming prior art existence, meet growing medical demand, a kind of Medical infusion monitoring apparatus is provided, can monitoring transfusion progress, flow and remaining time, and can regulating transfusion speed and temperature.
For achieving the above object, the present invention adopts following technical scheme:
A kind of Medical infusion monitoring apparatus, comprise main frame, control panel, baroceptor probe, close to capacitance probe, flow speed controller and temperature controller; Described main frame is a closure casing, inside comprises observation circuit and control circuit two parts, described observation circuit comprises close to electric capacity, impulse scaler, baroceptor, arithmetical unit, is describedly connected with arithmetical unit respectively with control circuit close to electric capacity, impulse scaler, baroceptor; Described control panel was connected with arithmetical unit and control circuit, described baroceptor probe vertically accesses hard sharp mouth plastic tube from side, plastic tube upper end point mouth inserts infusion bottle rubber closure and arrives bottom medicinal liquid, and baroceptor probe connects the baroceptor in main frame by wire; Described close to capacitance probe be fixed on tube for transfusion drip kettle side, with drip kettle in a distance and aims at drip kettle central authorities, close to capacitance probe by wire connection main frame in close to electric capacity; Described flow speed controller and temperature controller are stuck on tube for transfusion, and connect the control circuit in main frame by wire.
Described flow speed controller comprises servomotor and thread screw mechanism; The flow speed control signal transmitted by control panel is after control circuit amplifies, and drive servomotor to rotate, through thread screw, rotary motion is become rectilinear motion by mechanism, promotes lever extruding tube for transfusion, reaches the object of coutroi velocity.
Described temperature controller comprises semiconductor thermoelectric refrigeration sheet; The temperature control signals transmitted by control panel, after control circuit amplifies, adjusts the electric current of semiconductor thermoelectric refrigeration sheet, thus controls rising or the reduction of tube for transfusion herb liquid temperature.
Principle of the present invention is as follows:
1) progress of infusing monitoring: the detection of transfusion progress is popped one's head in by baroceptor and baroceptor and realized.
Baroceptor probe vertically accesses a hard sharp mouth plastic tube from side, is provided with a hemisphere bottom plastic tube, stores gas---a small amount of liquid revealed in liquid equilibrium process, and the rubber closure that plastics tip mouth portion inserts infusion bottle enters bottom medicinal liquid.Due to when fluid density is determined, liquid pressure is only relevant with height of liquid level:
Wherein, P
liquid,
ρ, g and H respectively express liquid pressure, density, acceleration of gravity and liquid level.Within several seconds, sharp mouth portion gas and medicinal liquid pressure equilibrium form gas later---liquid interface:
Wherein, P
gas, P
liquidand P
amprepresent gas pressure intensity, liquid pressure and atmospheric pressure respectively.The baroceptor probe of plastic tube side directly measures P
gas, signal is inputted in arithmetical unit after processing and amplifying.Calculate the formula of transfusion progress arithmetical unit:
Wherein, P
0, P
i, P
amp, H
0, H
i, g, ρ, η represent initial pressure measurement, in real time pressure measurement, atmospheric pressure, initial liquid level, real-time level, acceleration of gravity, medicinal liquid density and transfusion progress respectively.The result calculated in real time is outputted to display screen by arithmetical unit, is shown as transfusion progress.
2) infusion flow monitoring: infusion flow detects by realizing close to electric capacity with close to capacitance probe.
Medicinal liquid main component is water, and the dielectric constant of water and air has remarkable difference, and the dielectric constant of water is about 80, and air is about 1.Be placed in close to capacitance probe the distance that tube for transfusion drips about 2mm outside kettle, aim at and drip kettle middle position.When a drops physic liquor drips, the dielectric constant near probe increases suddenly, reduces again when drop leaves probe subsequently, a pulse current is formed in close to condenser network, after whole ripple, be input to impulse scaler, the frequency of statistics drop, is input to and calculates flow arithmetical unit:
Wherein, N, T, Δ V, f and Q represent umber of pulse in certain hour, interval, droplet size, pulse frequency and flow (medicine liquid volume flow through in the unit interval) respectively.Under certain atmospheric pressure and temperature, water in air drop volume is constant, and under normal temperature and pressure, in air, the volume of a water is about 45 microlitres.Within the short time of transfusion, can think that air pressure and temperature are stable, utilize this principle estimated flow to be feasible.Output to after calculating flow arithmetical unit on the display screen in control panel.
3) transfusion time display is remained:
Arithmetical unit, according to the pressure signal inputted and drop frequency simultaneously, just can calculate residue transfusion time:
Wherein, V, Q, η and t represent medicine liquid volume, flow, transfusion progress and remaining time respectively.Output on the display screen of control panel after calculating remaining time arithmetical unit.
The present invention compared with prior art, has following apparent outstanding substantive distinguishing features and remarkable advantage:
The present invention is when detecting that transfusion closes to an end, and the automatic trigger alarm signals of meeting, also ensure that the safety of transfusion while the psychological burden alleviating patient.Except possessing the auto-alarm function of general infusion alarm, can also monitor and demonstrate transfusion progress, flow and remaining time, feeling at ease joyful psychological environment to patient one.The present invention can control the temperature of transfusion speed and medicinal liquid by control panel, make patient enjoy high-caliber medical comfort level.The present invention can access hospital's monitoring network system, the infusion information of each patient in ward is aggregated into nurse station head station, is managed, raise the efficiency by medical personnel's unified monitoring.Safety of the present invention is high, noncontact medicinal liquid is pollution-free, can be recycled and the advantage of simple and durable.
Accompanying drawing explanation
Fig. 1 is infusion monitor schematic diagram.
Fig. 2 is main frame schematic internal view.
Fig. 3 is hard sharp mouth plastic tube schematic diagram.
Detailed description of the invention
Details are as follows by reference to the accompanying drawings for the preferred embodiments of the present invention:
As shown in Figure 1 to Figure 3, a kind of Medical infusion monitoring apparatus, comprise main frame 1, control panel 2, baroceptor probe 3, close to capacitance probe 4, flow speed controller 5 and temperature controller 6; Described main frame 1 is a closure casing, inside comprises observation circuit and control circuit 9 two parts, described observation circuit comprises close to electric capacity, impulse scaler 7, baroceptor, arithmetical unit 8, is describedly connected with arithmetical unit 8 respectively with control circuit 9 close to electric capacity, impulse scaler 7, baroceptor; Described control panel 2 is connected with arithmetical unit 8 and control circuit 9, described baroceptor probe 3 vertically accesses hard sharp mouth plastic tube 10 from side, plastic tube 10 upper end point mouth inserts infusion bottle rubber closure and arrives bottom medicinal liquid, and baroceptor probe 3 connects the baroceptor in main frame 1 by wire; Described close to capacitance probe 4 be fixed on tube for transfusion drip kettle side, with drip kettle in a distance and aims at drip kettle central authorities, close to capacitance probe 4 by wire connection main frame 1 in close to electric capacity; Described flow speed controller 5 and temperature controller 6 are stuck on tube for transfusion, and connect the control circuit 9 in main frame 1 by wire.
Described flow speed controller 5 comprises servomotor and thread screw mechanism; The flow speed control signal transmitted by control panel 2 is after control circuit 9 amplifies, and drive servomotor to rotate, through thread screw, rotary motion is become rectilinear motion by mechanism, promotes lever extruding tube for transfusion, reaches the object of coutroi velocity.Described temperature controller 6 comprises semiconductor thermoelectric refrigeration sheet; The temperature control signals transmitted by control panel 2, after control circuit 9 amplifies, adjusts the electric current of semiconductor thermoelectric refrigeration sheet, thus controls rising or the reduction of tube for transfusion herb liquid temperature.
Claims (3)
1. a Medical infusion monitoring apparatus, is characterized in that, comprise main frame (1), control panel (2), baroceptor probe (3), close to capacitance probe (4), flow speed controller (5) and temperature controller (6); Described main frame (1) is a closure casing, inside comprises observation circuit and control circuit (9) two parts, described observation circuit comprises close to electric capacity, impulse scaler (7), baroceptor, arithmetical unit (8), is describedly connected with arithmetical unit (8) respectively with control circuit (9) close to electric capacity, impulse scaler (7), baroceptor; Described control panel (2) is connected with arithmetical unit (8) and control circuit (9), described baroceptor probe (3) vertically accesses hard sharp mouth plastic tube (10) from side, plastic tube (10) upper end point mouth inserts infusion bottle rubber closure and arrives bottom medicinal liquid, and baroceptor probe (3) connects the baroceptor in main frame (1) by wire; Described be fixed on tube for transfusion close to capacitance probe (4) drip kettle side, and drip kettle in a distance and aims at that to drip kettle central, close to capacitance probe (4) by wire connect in main frame (1) close to electric capacity; Described flow speed controller (5) and temperature controller (6) are stuck on tube for transfusion, and connect the control circuit (9) in main frame (1) by wire.
2. a kind of Medical infusion monitoring apparatus according to claim 1, is characterized in that, described flow speed controller (5) comprises servomotor and thread screw mechanism; The flow speed control signal transmitted by control panel (2) is after control circuit (9) amplifies, and drive servomotor to rotate, through thread screw, rotary motion is become rectilinear motion by mechanism, promotes lever extruding tube for transfusion, reaches the object of coutroi velocity.
3. a kind of Medical infusion monitoring apparatus according to claim 1, is characterized in that, described temperature controller (6) comprises semiconductor thermoelectric refrigeration sheet; The temperature control signals transmitted by control panel (2), after control circuit (9) amplifies, adjusts the electric current of semiconductor thermoelectric refrigeration sheet, thus controls rising or the reduction of tube for transfusion herb liquid temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791551.4A CN104524665A (en) | 2014-12-19 | 2014-12-19 | Medical infusion monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410791551.4A CN104524665A (en) | 2014-12-19 | 2014-12-19 | Medical infusion monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104524665A true CN104524665A (en) | 2015-04-22 |
Family
ID=52840409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410791551.4A Pending CN104524665A (en) | 2014-12-19 | 2014-12-19 | Medical infusion monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104524665A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944184A (en) * | 2016-06-24 | 2016-09-21 | 钦州学院 | Intelligent transfusion monitoring device |
| CN106730152A (en) * | 2016-12-01 | 2017-05-31 | 张晨文 | The alarm method that infusion alarm, infusion device and transfusion are completed |
| CN107050570A (en) * | 2017-03-29 | 2017-08-18 | 昆明理工大学 | A kind of pressure inductive transfusion monitoring device and method |
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| CN202982790U (en) * | 2012-09-23 | 2013-06-12 | 青岛科技大学 | Intelligent control device for drip |
| CN103432653A (en) * | 2013-09-06 | 2013-12-11 | 李益民 | Transfusion droplet detection method |
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2014
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Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0112699A2 (en) * | 1982-12-22 | 1984-07-04 | Valleylab, Inc. | Flow rate monitor with optical sensing chamber |
| CN2649097Y (en) * | 2003-10-08 | 2004-10-20 | 冯健传 | Intelligent liquid drop servo device |
| WO2007007961A1 (en) * | 2005-07-14 | 2007-01-18 | Yong Hwan Kim | Ringer injection safety system |
| CN101057981A (en) * | 2007-05-21 | 2007-10-24 | 李崎 | Intelligent type capacity therapeutic instrument |
| CN201267652Y (en) * | 2008-10-17 | 2009-07-08 | 吴雷 | Medical wireless infusion monitoring apparatus |
| CN101530643A (en) * | 2009-04-17 | 2009-09-16 | 广州欧浦瑞医疗科技有限公司 | Infusion speed and temperature controller |
| CN101987216A (en) * | 2009-08-05 | 2011-03-23 | 张子发 | Three-in-one venous transfusion monitoring system |
| CN101869732A (en) * | 2010-07-09 | 2010-10-27 | 张文昭 | Capacitance type dropping speed measuring device |
| CN102641532A (en) * | 2012-04-27 | 2012-08-22 | 陈建国 | Auxiliary intelligent infusion control system |
| CN202982790U (en) * | 2012-09-23 | 2013-06-12 | 青岛科技大学 | Intelligent control device for drip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944184A (en) * | 2016-06-24 | 2016-09-21 | 钦州学院 | Intelligent transfusion monitoring device |
| CN106730152A (en) * | 2016-12-01 | 2017-05-31 | 张晨文 | The alarm method that infusion alarm, infusion device and transfusion are completed |
| CN107050570A (en) * | 2017-03-29 | 2017-08-18 | 昆明理工大学 | A kind of pressure inductive transfusion monitoring device and method |
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Application publication date: 20150422 |
|
| WD01 | Invention patent application deemed withdrawn after publication |