CN104189976A - Automatic infusion pager - Google Patents
Automatic infusion pager Download PDFInfo
- Publication number
- CN104189976A CN104189976A CN201410426765.1A CN201410426765A CN104189976A CN 104189976 A CN104189976 A CN 104189976A CN 201410426765 A CN201410426765 A CN 201410426765A CN 104189976 A CN104189976 A CN 104189976A
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- effect transistor
- siren
- rubber
- field effect
- liquid medicine
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an automatic infusion pager which comprises a starting triggering device, an alarm and a control device. The starting triggering device comprises rubber soft supports which are symmetrically arranged in a dropping device and are provided with conductive electrodes, and a hollow metal ball. The control device comprises the rubber soft supports, a resistor I, the alarm and a field-effect transistor which are sequentially in series connection. The starting triggering device is used for detecting whether liquid medicine enables the control device to be connected to control the alarm or not. Under a non-liquid-medicine state, the hollow metal ball descends to be in conductive connection with the two rubber soft supports, the grid electrode of the field-effect transistor loads voltages to enable a source electrode and a drain electrode to be connected, and the alarm is connected and transmits alarm signals. According to the automatic infusion pager, floating of the metal ball is used for controlling disconnecting and connecting of the source electrode and the drain electrode of the field-effect transistor, namely the field-effect transistor is used as an electric control switch, connecting and disconnecting of a circuit are more accurate, automatic calling of products is more reliable, the production cost is low, the caring burden of a patient and the relatives of the patient is lightened, and the service quality of a hospital is improved.
Description
Technical field
The present invention relates to medical infusion device, particularly calling device-accessory for transfusion.
Background technology
At present traditional medical infusion bottle or transfusion bag are in the time that patient is about to be totally lost liquid, must more renew in time liquid or take off syringe needle by nurse, in order to avoid air intravasation, this just needs patient or families of patients to pay close attention to transfusion situation, whole process all needs to have household or nurse to accompany transfusion, takes a lot of work and time-consuming.
Summary of the invention
In above-mentioned technology, there is this problem for solving, the invention provides a kind of calling device-accessory for transfusion, utilize metal ball floating control field effect transistor in liquid medicine, liquid medicine drips off the grid on-load voltage of rear metal ball along with the field effect transistor that is out of season under liquid medicine, calling device is connected and reached automatic call.
The present invention is the deficiency solving the problems of the technologies described above, the technical scheme adopting is: calling device-accessory for transfusion, comprise: according to liquid medicine with/without the startup flip flop equipment of trigger/closed circuit of state, for sending the siren to the stateless audio warning of liquid medicine and light, siren comprises display lamp in parallel and loudspeaker, is connected in the control device starting between flip flop equipment and siren, controls siren by the connection that starts flip flop equipment.Described startup flip flop equipment comprises the liquid-drop machine being connected with infusion bottle, and the inner side of liquid-drop machine is symmetrical arranged the soft holder of rubber that two inside are inlaid with conductive electrode, and liquid-drop machine inside is provided with and swims in conductive hollow metal sphere in liquid medicine, described control device comprises the soft holder of rubber of series connection successively, resistor I, siren and field effect transistor, the grid pin of described field effect transistor connects junction point and the power supply of a soft holder of rubber, the source electrode pin of field effect transistor and drain pin are connected respectively one end of power supply and siren, the other end of siren joins and one end of contact resistance device I with ground, the other end of resistor I connects the soft holder of another rubber, under liquid medicine state, hollow metal sphere declines and is connected with two soft holder conductions of rubber, fet gate on-load voltage makes source electrode and drains open-minded, siren is connected and is transmitted alarm signal.
As a kind of preferred version, the circuit of described control device is also in series with for changing circuital current and playing the resistor II of avoiding circuit overloads effect in connecting, and described resistor II one end connects power supply, and the other end connects the grid pin of field effect transistor.
Income effect: compared with current traditional infusion device, existing traditional infusion set is not being carried out to large change, utilize the source electrode of metal ball floating control field effect transistor and drain electrode by and connect, utilize field effect transistor as electric-controlled switch, make circuit debugging and cut-off more accurate, the automatic call of product is more reliable, and production cost of the present invention is low in addition, alleviate patient and family members' thereof nurse burden, improve the service quality of hospital.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is circuit block diagram of the present invention.
Graphical indicia, 1. starts flip flop equipment, 2. siren, 3. control device, 4. field effect transistor, 5. loudspeaker, 6. display lamp, 7. resistor I, 8. resistor II, 9. infusion bottle, 10. liquid-drop machine, 11. hollow metal spheres, the soft holder of 12. rubber.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, the present embodiment, taking technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Calling device-accessory for transfusion as shown in Figure 1 and Figure 2, comprise: according to the startup flip flop equipment 1 with/without trigger/closed circuit of state of liquid medicine, for sending the siren 2 to the stateless audio warning of liquid medicine and light, described siren 2 comprises display lamp in parallel 6 and loudspeaker 5, control device 3 is connected in and starts between flip flop equipment 1 and siren 2, controls siren 2 start by the connection of startup flip flop equipment 1.Described startup flip flop equipment 1 comprises infusion bottle 9, infusion bottle 9 connects liquid-drop machine 10 by infusion tube, in liquid-drop machine 10, be symmetrical arranged the soft holder 12 of rubber that two inside are inlaid with conductive electrode, two soft holders 12 of rubber are positioned at same level line and do not contact mutually, two soft holders 12 of rubber form a switch opening circuit, the soft holder of rubber 12 tops are arranged in liquid-drop machine 10 inside and are provided with and swim in the conductive hollow metal sphere 11 of liquid medicine, while being full of liquid medicine in liquid-drop machine 10, hollow metal sphere 11 swims in liquid medicine, along with the minimizing of liquid medicine, hollow metal sphere 11 declines thereupon, in the time that liquid medicine drips off, hollow metal sphere 11 connects the soft holder 12 of rubber and blocks infusion tube, soft holder 12 is connected two soft holders 12 of rubber is connected hollow metal sphere 11 with rubber, form a closed switch.
Control device 3 comprises the soft holder 12 of rubber of series connection successively, resistor I 7, field effect transistor 4 and siren 2, siren 2 comprises display lamp in parallel 6 and loudspeaker 5, field effect transistor 4 belongs to voltage-controlled type semiconductor device, there is input impedance high (107～1015 Ω), noise is little, low in energy consumption, dynamic range is large, be easy to integrated, there is no secondary-breakdown phenomenon, the advantages such as safety operation area field width, field effect transistor 4 comprises grid, drain electrode, three pins of source electrode, its operation principle is the " ID of the raceway groove of flowing through between drain electrode-source electrode, the reverse-biased grid voltage control ID forming in order to the pn knot between grid and raceway groove ", popular its output current of saying is by the Control of Voltage of inputting, can think that input current is minimum or there is no input current, this makes this electrical equipment have very high input impedance, in the time that the grid of field effect transistor 4 does not have voltage, drain electrode-source electrode is in by state, in the time that the grid of field effect transistor 4 loads certain voltage, drain electrode-source electrode is in channel status, be electric-controlled switch for field effect transistor 4 role essence of the present invention, control device 3 is also in series with for changing circuital current and playing the resistor II 8 of avoiding circuit overloads effect, one end of the grid pin contact resistance device II 8 of field effect transistor 4 and the junction point of a soft holder 12 of rubber, the other end of this resistor II 8 is connected with power supply, the source electrode pin of field effect transistor 4 and drain pin are connected respectively one end of power supply and siren, the other end of siren joins and one end of contact resistance device I 7 with ground, the other end of this resistor I 7 connects the soft holder 12 of another rubber.
Operation principle of the present invention: while being full of liquid medicine in liquid-drop machine 10, hollow metal sphere 11 swims in liquid medicine, two the soft holder 12 of rubber formation separated from one another are opened circuit, the grid of field effect transistor 4 does not have on-load voltage, drain electrode-source electrode is in by state, siren does not have connection circuit, can not send signal, in the time that the liquid medicine of liquid-drop machine 10 reduces, hollow metal sphere 11 declines thereupon, in the time that liquid medicine drips off, hollow metal sphere 11 connects the soft holder 12 of rubber and blocks infusion tube, soft holder 12 is connected two soft holders 12 of rubber is connected hollow metal sphere 11 with rubber, make the grid of field effect transistor 4 load certain voltage, drain electrode-source electrode is in channel status, now siren 2 circuit communications, the siren signal that gives the alarm, prompting liquid medicine does not have, remind nurse need to change dressings or pull out pin.
The present invention does not narrate part for prior art.
Claims (2)
1. calling device-accessory for transfusion, comprising:
-start flip flop equipment (1), according to liquid medicine with/without trigger/closed circuit of state;
-siren (2), described siren (2) comprises display lamp in parallel (6) and loudspeaker (5), for sending the stateless audio warning of liquid medicine and light;
-control device (3), is connected in and starts between flip flop equipment (1) and siren (2), controls the startup of siren (2) by starting the connection of flip flop equipment (1);
It is characterized in that:
Described startup flip flop equipment (1) comprises the liquid-drop machine (10) being connected with infusion bottle (9), be symmetrical arranged two soft holders of rubber (12) that are inlaid with conductive electrode in the inside of liquid-drop machine (10), be arranged in liquid-drop machine (10) inside and be provided with and swim in the conductive hollow metal sphere of liquid medicine (11), described control device (3) comprises the soft holder of rubber (12) of series connection successively, resistor I (7), siren (2) and field effect transistor (4), the grid pin of described field effect transistor (4) connects a soft holder of rubber (12) and power supply, the source electrode pin of field effect transistor (4) and drain pin are connected respectively one end of power supply and siren (2), the other end of siren (2) joins and one end of contact resistance device I (7) with ground, the other end of resistor I (7) connects the soft holder of another rubber (12), under liquid medicine state, hollow metal sphere (11) declines and is connected with two soft holders of rubber (12) conduction, field effect transistor (4) grid on-load voltage makes source electrode and drains open-minded, siren (2) is connected and is transmitted alarm signal.
2. calling device-accessory for transfusion according to claim 1, it is characterized in that: the circuit of described control device (3) is also in series with for changing circuital current and playing the resistor II (8) of avoiding circuit overloads effect in connecting, described resistor II (8) one end connects power supply, and the other end connects the grid pin of field effect transistor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426765.1A CN104189976A (en) | 2014-08-27 | 2014-08-27 | Automatic infusion pager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426765.1A CN104189976A (en) | 2014-08-27 | 2014-08-27 | Automatic infusion pager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104189976A true CN104189976A (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410426765.1A Pending CN104189976A (en) | 2014-08-27 | 2014-08-27 | Automatic infusion pager |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104189976A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268055A (en) * | 2014-07-07 | 2016-01-27 | 深圳市福田区青少年科技教育协会 | Infusion reminder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354579Y (en) * | 1997-05-17 | 1999-12-22 | 宣平 | Signaller for infusion |
| CN2551253Y (en) * | 2002-05-31 | 2003-05-21 | 刘为信 | Infusion alarm made of FET |
| CN1552472A (en) * | 2003-06-03 | 2004-12-08 | 张保华 | Infusion device without watch |
| CN2920273Y (en) * | 2006-06-02 | 2007-07-11 | 丁小强 | Disposable transfusing machine with functions of prompting and protecting when liquid empting out |
| CN101342392A (en) * | 2008-08-25 | 2009-01-14 | 天津三星电子有限公司 | Drop alarm device |
| CN204050524U (en) * | 2014-08-27 | 2014-12-31 | 洛阳理工学院 | Calling device-accessory for transfusion |
-
2014
- 2014-08-27 CN CN201410426765.1A patent/CN104189976A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354579Y (en) * | 1997-05-17 | 1999-12-22 | 宣平 | Signaller for infusion |
| CN2551253Y (en) * | 2002-05-31 | 2003-05-21 | 刘为信 | Infusion alarm made of FET |
| CN1552472A (en) * | 2003-06-03 | 2004-12-08 | 张保华 | Infusion device without watch |
| CN2920273Y (en) * | 2006-06-02 | 2007-07-11 | 丁小强 | Disposable transfusing machine with functions of prompting and protecting when liquid empting out |
| CN101342392A (en) * | 2008-08-25 | 2009-01-14 | 天津三星电子有限公司 | Drop alarm device |
| CN204050524U (en) * | 2014-08-27 | 2014-12-31 | 洛阳理工学院 | Calling device-accessory for transfusion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268055A (en) * | 2014-07-07 | 2016-01-27 | 深圳市福田区青少年科技教育协会 | Infusion reminder |
| CN105268055B (en) * | 2014-07-07 | 2018-11-13 | 林晓燕 | Alarm for infusion |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141210 |
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| RJ01 | Rejection of invention patent application after publication |