CN204050524U - Calling device-accessory for transfusion - Google Patents
Calling device-accessory for transfusion Download PDFInfo
- Publication number
- CN204050524U CN204050524U CN201420486958.1U CN201420486958U CN204050524U CN 204050524 U CN204050524 U CN 204050524U CN 201420486958 U CN201420486958 U CN 201420486958U CN 204050524 U CN204050524 U CN 204050524U
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- CN
- China
- Prior art keywords
- siren
- effect transistor
- rubber
- field effect
- flip flop
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- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The open calling device-accessory for transfusion of this utility model, comprise startup flip flop equipment, siren and control device, start flip flop equipment and comprise the symmetrically arranged soft holder of rubber and the hollow metal sphere containing conductive electrode in liquid-drop machine, control device comprises the soft holder of the rubber of connecting successively, resistor I, siren and field effect transistor, whether control device connection is made to control siren with or without liquid medicine by starting flip flop equipment detection, without under liquid medicine state, hollow metal sphere decline soft with two rubber hold in the palm to conduct electricity be connected, fet gate on-load voltage makes source electrode and drains open-minded, siren is connected and is transmitted alarm signal, this utility model utilize the source electrode of metal ball floating control field effect transistor and drain electrode by and connection, namely utilize field effect transistor as electric-controlled switch, make circuit debugging more accurate with cut-off, the automatic call of product is more reliable, and production cost is low, alleviate the nurse burden of patient and family members thereof, improve the service quality of hospital.
Description
Technical field
This utility model relates to medical infusion device, particularly calling device-accessory for transfusion.
Background technology
Medical infusion bottle traditional at present or transfusion bag are when patient is about to be totally lost liquid, must more renew liquid in time by nurse or take off syringe needle, in order to avoid air intravasation, this just needs patient or families of patients to pay close attention to transfusion condition, whole process all needs household or nurse to accompany transfusion, takes a lot of work and time-consuming.
Utility model content
This problem is there is for solving in above-mentioned technology, this utility model 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 reaches automatic call.
This utility model is the deficiency solved the problems of the technologies described above, the technical scheme adopted is: calling device-accessory for transfusion, comprise: trigger/startup the flip flop equipment of closed circuit, for sending the siren to the stateless audio warning of liquid medicine and light according to liquid medicine with/without state, siren comprises display lamp in parallel and loudspeaker, is connected to the control device started between flip flop equipment and siren, controls siren by the connection starting flip flop equipment.Described startup flip flop equipment comprises the liquid-drop machine be 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 the rubber of connecting 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, source electrode pin and the drain pin of field effect transistor are connected one end of power supply and siren respectively, the other end of siren connects and one end of contact resistance device I with ground, the other end of resistor I connects the soft holder of another rubber, without under liquid medicine state, hollow metal sphere decline soft with two rubber hold in the palm to conduct electricity be connected, 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, be also in series with for changing circuital current and playing the resistor II avoiding circuit overloads effect in the circuit connection of described control device, 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, large change is not being carried out to existing traditional infusion set, utilize the source electrode of metal ball floating control field effect transistor and drain electrode by and connection, namely 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 this utility model production cost is low in addition, alleviate the nurse burden of patient and family members thereof, improve the service quality of hospital.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram.
Fig. 2 is circuit block diagram of the present utility model.
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
Elaborate to embodiment of the present utility model below in conjunction with accompanying drawing, the present embodiment, premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Calling device-accessory for transfusion as shown in Figure 1 and Figure 2, comprise: trigger/startup the flip flop equipment 1 of closed circuit according to liquid medicine with/without state, for sending the siren 2 to the stateless audio warning of liquid medicine and light, described siren 2 comprises display lamp 6 in parallel and loudspeaker 5, control device 3 is connected to and starts between flip flop equipment 1 and siren 2, controls siren 2 start by the connection starting 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, the soft holder 12 of rubber that two inside are inlaid with conductive electrode is symmetrical arranged in liquid-drop machine 10, two soft holders 12 of rubber are positioned at same level line and are not in contact with each other, two soft holders 12 of rubber form the switch of an open circuit, rubber soft holder 12 top is arranged in liquid-drop machine 10 inside and is provided with and swims in the conductive hollow metal sphere 11 of liquid medicine, when 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, when liquid medicine drips off, hollow metal sphere 11 connects the soft holder 12 of rubber and blocks infusion tube, hollow metal sphere 11 is connected with the soft holder of rubber 12 makes two soft holders 12 of rubber connect, form a closed switch.
Control device 3 comprises the soft holder 12 of the rubber of connecting successively, resistor I 7, field effect transistor 4 and siren 2, siren 2 comprises display lamp 6 in parallel and loudspeaker 5, field effect transistor 4 belongs to voltage controlled semiconductor device, there is input resistance 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, source electrode three pins, its operation principle " flows through the ID of raceway groove between Drain-Source, reverse-biased grid voltage control ID in order to the pn knot between grid and raceway groove is formed ", popular says that its output current is by the Control of Voltage inputted, can think that input current is minimum or do not have input current, this makes this electrical equipment have very high input impedance, when the grid of field effect transistor 4 does not have voltage, Drain-Source is in by state, when the grid of field effect transistor 4 loads certain voltage, Drain-Source is in channel status, be electric-controlled switch for field effect transistor 4 role essence of the present utility model, control device 3 is also in series with for changing circuital current and playing the resistor II 8 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, source electrode pin and the drain pin of field effect transistor 4 are connected one end of power supply and siren respectively, the other end of siren connects 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 utility model: when being full of liquid medicine in liquid-drop machine 10, hollow metal sphere 11 swims in liquid medicine, two the soft holder of rubber 12 formation open circuits separated from one another, the grid of field effect transistor 4 does not have on-load voltage, Drain-Source is in by state, siren does not have connection circuit, signal can not be sent, when the liquid medicine of liquid-drop machine 10 reduces, hollow metal sphere 11 declines thereupon, when liquid medicine drips off, hollow metal sphere 11 connects the soft holder 12 of rubber and blocks infusion tube, hollow metal sphere 11 is connected with the soft holder of rubber 12 makes two soft holders 12 of rubber connect, the grid of field effect transistor 4 is made to load certain voltage, Drain-Source is in channel status, now siren 2 circuit communication, siren gives the alarm signal, prompting liquid medicine does not have, nurse is reminded to need change dressings or pull out pin.
It is prior art that this utility model does not describe part.
Claims (2)
1. calling device-accessory for transfusion, comprising:
-start flip flop equipment (1), trigger/closed circuit according to liquid medicine with/without state;
-siren (2), described siren (2) comprises display lamp (6) in parallel and loudspeaker (5), for sending the stateless audio warning of liquid medicine and light;
-control device (3), is connected to and starts between flip flop equipment (1) and siren (2), controlled the startup of siren (2) by the connection starting flip flop equipment (1);
It is characterized in that:
Described startup flip flop equipment (1) comprises the liquid-drop machine (10) be connected with infusion bottle (9), the soft holder of rubber (12) that two are inlaid with conductive electrode is set at the internal symmetry of liquid-drop machine (10), is arranged in liquid-drop machine (10) inside and is provided with and swims in the conductive hollow metal sphere of liquid medicine (11), described control device (3) comprises the soft holder of the rubber of connecting successively (12), 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, source electrode pin and the drain pin of field effect transistor (4) are connected one end of power supply and siren (2) respectively, the other end of siren (2) connects 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), without under liquid medicine state, hollow metal sphere (11) decline is conducted electricity with two soft holders of rubber (12) and is connected, field effect transistor (4) grid on-load voltage makes source electrode and drains open-minded, siren (2) is connected and transmits alarm signal.
2. calling device-accessory for transfusion according to claim 1, it is characterized in that: be also in series with for changing circuital current and playing the resistor II (8) avoiding circuit overloads effect in the circuit connection of described control device (3), 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 |
|---|---|---|---|
| CN201420486958.1U CN204050524U (en) | 2014-08-27 | 2014-08-27 | Calling device-accessory for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486958.1U CN204050524U (en) | 2014-08-27 | 2014-08-27 | Calling device-accessory for transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204050524U true CN204050524U (en) | 2014-12-31 |
Family
ID=52192124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486958.1U Expired - Fee Related CN204050524U (en) | 2014-08-27 | 2014-08-27 | Calling device-accessory for transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204050524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104189976A (en) * | 2014-08-27 | 2014-12-10 | 洛阳理工学院 | Automatic infusion pager |
-
2014
- 2014-08-27 CN CN201420486958.1U patent/CN204050524U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104189976A (en) * | 2014-08-27 | 2014-12-10 | 洛阳理工学院 | Automatic infusion pager |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |