CN108245739A - Medical transfusion margin monitoring device - Google Patents
Medical transfusion margin monitoring device Download PDFInfo
- Publication number
- CN108245739A CN108245739A CN201810118484.8A CN201810118484A CN108245739A CN 108245739 A CN108245739 A CN 108245739A CN 201810118484 A CN201810118484 A CN 201810118484A CN 108245739 A CN108245739 A CN 108245739A
- Authority
- CN
- China
- Prior art keywords
- transfusion
- monitoring device
- metal
- described matrix
- capacitor
- 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
Links
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
- 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
Abstract
The present invention provides a kind of medical transfusion margin monitoring device, battery module, capacitor, the alarm mutually concatenated is equipped with including matrix, in described matrix, with basis of formation string；One end of the basis string is electrically connected the metal ferrule upwardly extended from described matrix top, and the other end connects a grounding body that can be grounded by conducting wire.The device can send out alarm signal automatically, to remind nurse's timely processing when infusion bag is infused and is nearly completed.
Description
Technical field
The present invention relates to field of medical device, are to be related to a kind of medical transfusion margin monitoring device particularly.
Background technology
During medical transfusion, since the time of waiting is longer, patient in infusion process, easily it is absent-minded even
It is sleeping, cause to observe whether the liquid in infusion bag is totally lost in time, this will delay continuing for follow-up liquid, and may make
Into the discomfort of patient or even initiation malpractice.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of medical transfusion margin monitoring device, which can be with
When infusion bag infusion is nearly completed, alarm signal is sent out automatically, to remind nurse's timely processing.
The first technical solution is used by the present invention solves its technical problem：The medical transfusion margin monitoring device packet
Matrix is included, battery module, capacitor, the alarm mutually concatenated is equipped in described matrix, with basis of formation string；The basis
One end of string is electrically connected the metal ferrule upwardly extended from described matrix top, and the other end connects one by conducting wire and can connect
The grounding body on ground.
Preferably, the grounding body is a metal magnetizable ball, absorption is made it possible in metal infusion column or metal
On transfusion chair, to be grounded；Or be metal clip, it could be sandwiched on metal infusion column or metal transfusion chair, similary realize connects
Ground.
Preferably, an inductance is also concatenated in the basis string, so that capacitor is initially initial with electric discharge in charging
When, there is smaller current impulse.
The advantageous effect of the first above-mentioned technical solution is：In infusion process, insert the metal of above-mentioned monitoring device
Needle passes through infusion bag sealing-plug to be inserted into infusion bag, and the grounding body is made to keep ground connection；At this point, the basis string passes through gold
Belong to contact pin, liquid（Include a large amount of sodium chloride conducting solutions）, human body, the earth, grounding body form a series loop, so as to institute
It states capacitor slowly to charge, until saturation；And when liquid is totally lost, the upper semisection of woven hose causes the metal to be inserted without liquid
Needle can not be grounded, so as to disconnect the series loop；When the series loop disconnects, battery module is no longer described
Capacitor provides voltage, and capacitor is made to start to discharge, and the alarm is made to work, so as to send out alarm signal, to remind nurse
Subsequent processing is carried out in time.
Second of technical solution is used by the present invention solves its technical problem：The medical transfusion margin monitoring device includes base
Body, described matrix is interior to be equipped with the capacitor being only made of two pieces of parallel metal sheets, and a pole of the capacitor is electrically connected from described
The metal ferrule that matrix top upwardly extends, another pole connect a grounding body that can be grounded by conducting wire；In described matrix also
Equipped with the electron capacitance meter that the condenser capacitance value can be read, the electron capacitance meter is exported to a control module, described
Control module drives the alarm work in described matrix when the capacitance of the capacitor is less than setting value；Described matrix
Inside it is additionally provided with the battery module powered to the electron capacitance meter, control module, alarm.
Preferably, the grounding body is a metal magnetizable ball, absorption is made it possible in metal infusion column or metal
On transfusion chair, to be grounded；Or be metal clip, it could be sandwiched on metal infusion column or metal transfusion chair, similary realize connects
Ground.
The advantageous effect of above-mentioned second of technical solution is：In infusion process, insert the metal of above-mentioned monitoring device
Needle passes through infusion bag sealing-plug to be inserted into infusion bag, and the grounding body is made to keep ground connection；At this point, described form the capacitor
Two pieces of parallel metal sheets between by liquid, human body, greatly form apparent capacitance；And when liquid is totally lost, woven hose
Upper semisection without liquid, cause the metal ferrule that can not be grounded, so as to make nothing between two pieces of parallel metal sheets
Apparent dielectric leads to the capacitance rapid drawdown of the capacitor, so as to trigger the control module work, alarm is made to send out police
Show signal, nurse to be reminded to carry out subsequent processing in time.
The third technical solution is used by the present invention solves its technical problem：The medical transfusion margin monitoring device includes base
Body further includes the transfusion cannula of infusion bag that be connected to woven hose upper end, pluggable；The transfusion cannula is by dielectric structure
Into；Electron capacitance meter is additionally provided in described matrix, an input terminal of the electron capacitance meter connects one by conducting wire to be connect
The grounding body on ground；Another input terminal is electrically connected the transfusion cannula；The electron capacitance meter is exported to described matrix
One control module, the control module drive the base when the output capacitance value of the electron capacitance meter is less than setting value
Alarm work on body；The battery mould powered to the electron capacitance meter, control module, alarm is additionally provided in described matrix
Block.
Preferably, the transfusion cannula is made of graphite, surface is equipped with waterproof coating, normal with the dielectric for forming larger
Number.
Preferably, the grounding body is a metal magnetizable ball, absorption is made it possible in metal infusion column or metal
On transfusion chair, to be grounded；Or be metal clip, it could be sandwiched on metal infusion column or metal transfusion chair, similary realize connects
Ground.
Preferably, an output terminal of the electron capacitance meter is electrically connected to a metal outside described matrix
Folder, and pass through the outside that the metal clip is clamped in the transfusion cannula, connected in terms of electron capacitance with the electrical of transfusion cannula by realizing
It connects.
The advantageous effect of the third above-mentioned technical solution is：In infusion process, the transfusion cannula, conductive liquid,
The capacitance string both ends that human body, the earth are formed form apparent capacitance, and are read by the electron capacitance meter；And when liquid is defeated
When complete, the upper semisection of woven hose causes the transfusion cannula that can not be grounded, the capacitance for making the capacitance string is rapid without liquid
Drop so as to trigger the control module work, makes alarm send out alarm signal, nurse to be reminded to carry out subsequent processing in time.
Description of the drawings
Fig. 1 is the schematic diagram of this medical transfusion margin monitoring device embodiment one.
Fig. 2 is the electrical structure schematic diagram of this medical transfusion margin monitoring device embodiment two.
Fig. 3 is the electrical structure schematic diagram of this medical transfusion margin monitoring device embodiment three.
Specific embodiment
Embodiment one：
In embodiment one shown in Fig. 1, which includes matrix 1, is equipped in described matrix 1 mutual
Battery module 2, capacitor 3, the alarm 4 of concatenation, with basis of formation string；One end of the basis string is electrically connected from institute
The metal ferrule 5 that 1 top of matrix upwardly extends is stated, the other end connects a grounding body 6 that can be grounded by conducting wire.
In the present embodiment one, the grounding body 6 is a metal magnetizable ball, makes it possible to adsorb in metal infusion column,
Or on metal transfusion chair, to be grounded.
In infusion process, the metal ferrule 5 of monitoring device that embodiment one is provided is made to be inserted across infusion bag sealing-plug
Enter in infusion bag, and the grounding body 6 is made to keep ground connection；At this point, the basis string passes through metal ferrule 5, conductive liquid（It is logical
Often include a large amount of sodium chloride conducting solutions or other conducting solutions）, human body, the earth, grounding body formed a series loop, so as to
It slowly charges to the capacitor 3, until saturation；And when liquid is totally lost, the upper semisection of woven hose leads to the gold without liquid
Belonging to contact pin 5 can not be grounded, so as to disconnect the series loop；When the series loop disconnects, battery module 2 is no longer
Voltage is provided for the capacitor 3, capacitor 3 is made to start to discharge, the alarm 4 is made to work, so as to send out alarm signal, with
Nurse is reminded to carry out subsequent processing in time.
Embodiment two：
In embodiment two shown in Fig. 2, which includes matrix（It is not shown）, set in described matrix
There is the capacitor 3 being only made of two pieces of parallel metal sheets, a pole of the capacitor 3 is electrically connected prolongs upwards from described matrix top
The metal ferrule 5 stretched, another pole connect a grounding body 6 that can be grounded by conducting wire；It is additionally provided in described matrix and institute can be read
The electron capacitance meter 7 of 3 capacitance of capacitor is stated, the electron capacitance meter 7 is exported to a control module 8, the control module 8
When the capacitance of the capacitor 3 is less than setting value, the alarm 4 in described matrix is driven to work；It is also set in described matrix
There is the battery module 9 powered to the electron capacitance meter 7, control module 8, alarm 4.
Grounding body 6 in embodiment two can be equally a metal magnetizable ball, and it is vertical in metal infusion to make it possible to absorption
On column or metal transfusion chair, to be grounded；It can also be metal clip, could be sandwiched in metal infusion column or metal transfusion chair
On, equally it is grounded.
For the monitoring device in embodiment two, in infusion process, its metal ferrule 5 is made to be inserted across infusion bag sealing-plug
Enter in infusion bag, and the grounding body 6 is made to keep ground connection；At this point, two pieces of parallel metal sheets for forming the capacitor 3 it
Between by liquid, human body, greatly form apparent capacitance；And when liquid is totally lost, the upper semisection of woven hose causes without liquid
The metal ferrule 5 can not be grounded, so as to make to cause described without apparent dielectric between two pieces of parallel metal sheets
The capacitance rapid drawdown of capacitor 3 works so as to trigger the control module 8, alarm 4 is made to send out alarm signal, to remind shield
Scholar carries out subsequent processing in time.
Embodiment three：
In embodiment three shown in Fig. 3, which includes matrix（It is not shown）, further included connection
In the transfusion cannula 10 of woven hose upper end, pluggable infusion bag；The transfusion cannula 10 is made of dielectric；In described matrix
Electron capacitance meter 7 is additionally provided with, an input terminal of the electron capacitance meter 7 connects a grounding body 6 that can be grounded by conducting wire；
Another input terminal is electrically connected the transfusion cannula 10；The electron capacitance meter 7 exports a control to described matrix
Module 8, the control module 8 are driven when the output capacitance value of the electron capacitance meter 7 is less than setting value in described matrix
Alarm 4 works；The battery module powered to the electron capacitance meter 7, control module 8, alarm 4 is additionally provided in described matrix
9。
Above-mentioned monitoring device, the transfusion cannula 10 are made of graphite, and surface is equipped with waterproof coating, which can
To be metal coating；To form larger dielectric constant.One output terminal of the electron capacitance meter 7 is electrically connected to the base
A metal clip outside body, and pass through the outside that the metal clip is clamped in the transfusion cannula 10, to realize 7 in terms of electron capacitance
With the electric connection of transfusion cannula 10.The transfusion cannula 10 after the completion of infusion, report together by the transfusion cannula 10 connection woven hose
Useless processing, cost are relatively low.And in embodiment one, two, since the metal ferrule 5 is directly connected to the circuit in matrix
（Otherwise metal ferrule 5 will be made first to connect the monitoring device, and will be inserted into infusion bag, operation is cumbersome）, therefore be difficult to the metal
Contact pin 5 scraps processing, so as to need the processing that carries out disinfection in each use to it, is more troublesome using process.
Embodiment three is in infusion process, the transfusion cannula 10, conductive liquid, human body, the capacitance string greatly formed
Both ends form apparent capacitance, and are read by the electron capacitance meter 7；And when liquid is totally lost, the upper semisection of woven hose without
Liquid causes the transfusion cannula 10 that can not be grounded, and makes the capacitance rapid drawdown of the capacitance string, so as to trigger the control mould
Block 8 works, and alarm 4 is made to send out alarm signal, nurse to be reminded to carry out subsequent processing in time.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of medical transfusion margin monitoring device, including matrix（1）, it is characterised in that：Described matrix（1）It is interior to be equipped with mutually string
The battery module connect（9）, capacitor（3）, alarm（4）, with basis of formation string；One end of the basis string is electrically connected
From described matrix（1）The metal ferrule that top upwardly extends（5）, the other end pass through conducting wire connect a grounding body that can be grounded
（6）.
2. medical transfusion margin monitoring device according to claim 1, it is characterised in that：The grounding body（6）For metal
Magnetizable ball is metal clip.
3. medical transfusion margin monitoring device according to claim 1, it is characterised in that：It is also concatenated in the basis string
One inductance, so that capacitor（3）When charging is initially initial with electric discharge, there is smaller current impulse.
4. a kind of medical transfusion margin monitoring device, it is characterised in that：It is equipped with including matrix, in described matrix only parallel by two pieces
The capacitor that metallic plate is formed（3）, the capacitor（3）A pole be electrically connected the metal that is upwardly extended from described matrix top and insert
Needle（5）, another pole connects a grounding body that can be grounded by conducting wire（6）；It is additionally provided in described matrix and the capacitance can be read
Device（3）The electron capacitance meter of capacitance（7）, the electron capacitance meter（7）It exports to a control module（8）, the control mould
Block（8）In the capacitor（3）Capacitance be less than setting value when, drive described matrix on alarm（4）Work；The base
It is additionally provided in vivo to the electron capacitance meter（7）, control module（8）, alarm（4）The battery module of power supply（9）.
5. medical transfusion margin monitoring device according to claim 4, it is characterised in that：The grounding body（6）For metal
Magnetizable ball is metal clip.
6. a kind of medical transfusion margin monitoring device, it is characterised in that：Including matrix, further include and be connected to woven hose upper end
, can be inserted into infusion bag transfusion cannula（10）；The transfusion cannula（10）It is made of dielectric；Electricity is additionally provided in described matrix
Sub- C meter（7）, the electron capacitance meter（7）An input terminal pass through conducting wire connect a grounding body that can be grounded（6）；Separately
One input terminal is electrically connected the transfusion cannula（10）；The electron capacitance meter（7）It exports to a control in described matrix
Molding block（8）, the control module（8）In the electron capacitance meter（7）Output capacitance value when being less than setting value, described in driving
Alarm on matrix（4）Work；It is additionally provided in described matrix to the electron capacitance meter（7）, control module（8）, alarm
（4）The battery module of power supply（9）.
7. medical transfusion margin monitoring device according to claim 6, it is characterised in that：The transfusion cannula（10）By stone
Ink is formed, and surface is equipped with waterproof coating.
8. medical transfusion margin monitoring device according to claim 6, it is characterised in that：The grounding body（6）It is one
Metal magnetizable ball or metal clip.
9. medical transfusion margin monitoring device according to claim 6, it is characterised in that：The electron capacitance meter（7）'s
One output terminal is electrically connected to a metal clip outside described matrix, and passes through the metal clip and be clamped in the transfusion cannula
（10）Outside, to realize in terms of electron capacitance（7）With transfusion cannula（10）Electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118484.8A CN108245739A (en) | 2018-02-06 | 2018-02-06 | Medical transfusion margin monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118484.8A CN108245739A (en) | 2018-02-06 | 2018-02-06 | Medical transfusion margin monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108245739A true CN108245739A (en) | 2018-07-06 |
Family
ID=62744225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810118484.8A Pending CN108245739A (en) | 2018-02-06 | 2018-02-06 | Medical transfusion margin monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108245739A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495098A (en) * | 2011-12-12 | 2012-06-13 | 天津市洪江工控仪表有限公司 | Equal-space constant steam pressure measurement method and device for distillation range of petroleum product |
| CN202654482U (en) * | 2012-06-29 | 2013-01-09 | 上海海事大学 | Capacitive infusion alarm device |
| CN103083753A (en) * | 2013-03-05 | 2013-05-08 | 西安华舜测量设备有限责任公司 | Capacitor-type drip liquid level monitoring and alarm device |
| CN104374449A (en) * | 2014-12-08 | 2015-02-25 | 重庆南方数控设备有限责任公司 | Plasma extraction equipment |
| CN104941036A (en) * | 2015-06-17 | 2015-09-30 | 北京哈特凯尔医疗科技有限公司 | Capacitance infusion monitoring method and device |
| CN105582598A (en) * | 2016-01-06 | 2016-05-18 | 顾钰锋 | Automatic alarming apparatus of infusion tube |
-
2018
- 2018-02-06 CN CN201810118484.8A patent/CN108245739A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495098A (en) * | 2011-12-12 | 2012-06-13 | 天津市洪江工控仪表有限公司 | Equal-space constant steam pressure measurement method and device for distillation range of petroleum product |
| CN202654482U (en) * | 2012-06-29 | 2013-01-09 | 上海海事大学 | Capacitive infusion alarm device |
| CN103083753A (en) * | 2013-03-05 | 2013-05-08 | 西安华舜测量设备有限责任公司 | Capacitor-type drip liquid level monitoring and alarm device |
| CN104374449A (en) * | 2014-12-08 | 2015-02-25 | 重庆南方数控设备有限责任公司 | Plasma extraction equipment |
| CN104941036A (en) * | 2015-06-17 | 2015-09-30 | 北京哈特凯尔医疗科技有限公司 | Capacitance infusion monitoring method and device |
| CN105582598A (en) * | 2016-01-06 | 2016-05-18 | 顾钰锋 | Automatic alarming apparatus of infusion tube |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |
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| RJ01 | Rejection of invention patent application after publication |