CN2544736Y - Heating case for transfusion - Google Patents
Heating case for transfusion Download PDFInfo
- Publication number
- CN2544736Y CN2544736Y CN 02233083 CN02233083U CN2544736Y CN 2544736 Y CN2544736 Y CN 2544736Y CN 02233083 CN02233083 CN 02233083 CN 02233083 U CN02233083 U CN 02233083U CN 2544736 Y CN2544736 Y CN 2544736Y
- Authority
- CN
- China
- Prior art keywords
- transfusion
- heating element
- element heater
- heating
- heating box
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an inner heating intercalated alternating current and direct current dual-use low-voltage and current infusion heating box which can heat the liquid which is flowed in a soft tube of an infusion set at the constant temperature at the same time of implementation of intravenous infusion; a power supply indicating lamp and a current-limiting resistance which are connected in series are embedded in a thermal insulation outer shell which is already existed and can lock the opening and closing states, the power supply indicating lamp and a current-limiting resistance are connected in parallel with a heating element which is longitudinally provided with a groove to clamp the soft tube of the infusion set, the opening and closing infusion heating box penetrates through a longitudinal heating cavity, the soft tube of the infusion set is clamped, constant heat which is generated by constant voltage and constant resistance is conducted to the liquid which is flowed in the soft tube of the infusion set, so as to heat the infusion liquid at the constant temperature, when the temperature is over the designed temperature, a constant temperature element can break off the power for protection.
Description
This utility model relates to a kind of medical transfusion device transfusion liquid AC/DC low tension constant temperature heating device, especially can carry out the transfusion heating box of heated at constant temperature to flowing liquid in the transfusion device flexible pipe when implementing the venous transfusion art.
At present, the temperature of liquid is not all considered in known transfusion, directly adopts the disposable plastic transfusion device to inject in the body liquid, and when the stubborn adherence to outworn rules and ideas temperature was lower, regular meeting occurred uncomfortable, produce feel cold, phenomenon such as shiver with cold.
The purpose of this utility model provides a kind of transfusion heating box, it can not only the transfusion in, safe and reliable, carry out heated at constant temperature to transfusion liquid quickly and easily, and can not influence the transfusion art routine operation.
The purpose of this utility model is achieved in that in the lagging casing of lockable open and close state, placed in-line power supply indicator and current-limiting resistance are in parallel with heating element heater.Adopt the heating element heater of Barium metatitanate. (PTC) pottery, be to become vertical reeded heater with Barium metatitanate. (PTC) ceramic sintering, embed in the lagging casing of lockable open and close state, the concentric breach of heating element heater longitudinal fluting and lagging casing form run through the transfusion heating box longitudinally the internal heat type of clamping transfusion device flexible pipe sandwich the type heating chamber, utilize the positive temperature characterisitic of Barium metatitanate. (PTC) pottery, reach the purpose of heated at constant temperature.The heating element heater that adopts resistance wire be placed in-line power supply indicator and current-limiting resistance with the heating element heater parallel connection after and thermostatic element connect and the dual-purpose low tension heated at constant temperature of supply hub formation AC and DC loop, resistance wire is embedded on the groove inwall of high temperature insulation skeleton with the zigzag parallel longitudinal, with the concentric breach of lagging casing form run through the transfusion heating box longitudinally the internal heat type of clamping transfusion device flexible pipe sandwich the type heating chamber, utilize thermostatic element to reach the purpose of heated at constant temperature.
Owing to adopted such scheme, can be in transfusion, the transfusion heating box becomes the heating chamber of circular hole to sandwich the transfusion device flexible pipe relatively, contact liq does not carry out heated at constant temperature to flowing liquid in managing outside the transfusion device flexible pipe, heating element heater and thermostatic element have only been adopted in the heating circuit, simple in structure, safe and reliable, convenient and energy-saving.
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is this utility model first and third, four embodiment circuit theory diagrams.
Fig. 2 is the transfusion heating box first embodiment cutaway view.
Fig. 3 is the transfusion heating box first embodiment side view.
Fig. 4 be this utility model second and third, four embodiment circuit and schematic diagrams.
Fig. 5 is the transfusion heating box second embodiment cutaway view.
Fig. 6 is the transfusion heating box second embodiment side view.
Fig. 7 is third and fourth embodiment cutaway view of this utility model.
Fig. 8 is the side view of the 3rd embodiment of transfusion heating box.
Fig. 9 is the side view of the 4th embodiment of transfusion heating box.
Among the figure 1, supply hub 2, Barium metatitanate. (PTC) ceramic heating element 3, power supply indicator 4, current-limiting resistance 5, high temperature insulation skeleton 6, resistance wire heating element 7, cee spring sheet 8, insulation box body 9, hinge 10, thermostatic element 11, breach 12, block 13, transverse concave groove with one heart.
In Fig. 1, third and fourth embodiment is a slice, and first embodiment is that two Barium metatitanate .s (PTC) ceramic heating elements (2) series connection is in parallel with placed in-line power supply indicator (3) and current-limiting resistance (4), and supply hub (1) is introduced low-tension supply.
In first embodiment shown in Figure 2, dividing up and down, two-part insulation box body (8) is connected and fixed by hinge (9), hinge (9) both sides are buckled with cee spring sheet (7) locking open and close state, supply hub (1) jack exposes outside the insulation box body (8), power supply indicator (3) is outside opposite side exposes insulation box body (8), current-limiting resistance (4) places in power supply indicator (3) the homonymy insulation box body (8), has Barium metatitanate. (PTC) ceramic heating element (2) of the semi-circular groove of relative one-tenth cylindrical cavity to be embedded in the insulation box body (8).
In first embodiment shown in Figure 3, the combine between the higher and lower levels semi-circular breach at edge of the vertical semi-circular groove of Barium metatitanate. (PTC) ceramic heating element (2) and insulation box body (8) two ends align, forms and runs through the heating chamber that the heating box of infusing sandwiches the transfusion device flexible pipe longitudinally.
In Fig. 4, third and fourth embodiment is one group, first embodiment is two groups of resistance wires (6) series connection with certain resistance, and is in parallel with placed in-line power supply indicator (3) and current-limiting resistance (4), the supply hub (1) of connecting with thermostatic element (10) the again low-tension supply that induces one.
In second embodiment shown in Figure 5, insulation box body (8) two parts up and down is connected and fixed by hinge (9), hinge (9) both sides are buckled with cee spring sheet (7) locking and open, close state, supply hub (1) jack exposes outside the insulation box body (8), power supply indicator (3) is outside opposite side exposes insulation box body (8), current-limiting resistance (4) places in power supply indicator (3) the homonymy insulation fit (8), and resistance wire (6) is embedded in two semi-circular grooves that are embedded in the insulation box body (8) with Z font parallel longitudinal and becomes relatively on the semi-circular groove inwall of high temperature insulation skeleton (5) of cylindrical cavity.Thermostatic element (10) is arranged on the back of the semi-circular groove of high temperature insulation skeleton (5), near resistance wire (6).
In second embodiment shown in Figure 6, the high temperature insulation skeleton (5) of parallel longitudinal embedded resistor silk (6), semi-circular groove and insulation box body (8) the two ends semi-circular breach in edge that combines between the higher and lower levels aligns.Form and run through the heating chamber that the transfusion heating box vertically sandwiches infusion tube.
In the 3rd embodiment shown in Figure 7, there is the back of two semi-perimeter transverse concave grooves (13) across longitudinal fluting heating element heater (2) or (6), be enclosed in the left side, top of the insulation box body (8) in the outside respectively, the block on right side, lower part (12) fastens, supply hub (1) and power supply indicator (3) are outside an end that leaves certain space exposes insulation box body (8), and current-limiting resistance (4) is provided with in end.The longitudinal fluting back of heating element heater (6) is provided with thermostatic element (10).
In the 3rd embodiment shown in Figure 8, insulation box body (8) has with the concentric concentric breach of the longitudinal fluting of heating element heater (2) or (6) (11) and is buckled in the interior link stopper (12) of transverse concave groove (13) of heating element heater (2) or (6), rotate the arbitrary end of insulation box body (8), open and close transfusion heating box.
In the 4th embodiment shown in Figure 9, the central axis of the central axis of the endoporus of insulation box body (8) setting-in heating element heater (2) or (6) and the heating chamber of heating element heater (2) or (6) all is biased in longitudinal opening side separately, make opening part both sides wall thin, the opposite position wall thickness.When the opening of the heating chamber of heating element heater (2) or (6) and the opening of insulation box body (8) overlap, when opening the transfusion heating box, heating chamber is near the outside of insulation box body (8), sandwich the transfusion device flexible pipe, rotary heat-insulating box body (8) top and the bottom, the opening that makes its opening and heating element heater (2) or (6) back to the position, closed the transfusion heating box, heating chamber moves to the position of transfusion heating box central axis.
Claims (6)
1, a kind of transfusion heating box, it is in the lagging casing of two parts lockable open and close state about dividing, connect with thermostatic element after placed in-line power supply indicator and current-limiting resistance and the heating element heater parallel connection and supply hub constitutes AC/DC low tension heated at constant temperature loop, it is characterized in that: adopt the heating element heater of resistance wire, resistance wire is embedded on the groove inwall of the high temperature insulation skeleton in the lagging casing with the zigzag parallel longitudinal.
2, transfusion heating box according to claim 1 is characterized in that: adopt the heating element heater of Barium metatitanate. (PTC) pottery, it is vertically fluted that Barium metatitanate. (PTC) ceramic sintering becomes, and is embedded in the lagging casing.
3, transfusion heating box according to claim 1 is characterized in that: there is the concentric breach that aligns with the heating element heater longitudinal fluting at transfusion heating box lagging casing two ends, and inwall has the protrusion block.
4, transfusion heating box according to claim 1 is characterized in that: the heating element heater longitudinal fluting is with the closed one-tenth relatively of lagging casing cylindrical cavity.
5, transfusion heating box according to claim 1 is characterized in that: the heating element heater outer wall has two semi-perimeter transverse concave grooves.
6, transfusion heating box according to claim 1 is characterized in that: the central axis of the endoporus of insulation shell setting-in heating element heater and the central axis of heating element heater longitudinal fluting all are biased in longitudinal opening side separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233083 CN2544736Y (en) | 2002-04-24 | 2002-04-24 | Heating case for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233083 CN2544736Y (en) | 2002-04-24 | 2002-04-24 | Heating case for transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2544736Y true CN2544736Y (en) | 2003-04-16 |
Family
ID=33708309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02233083 Expired - Fee Related CN2544736Y (en) | 2002-04-24 | 2002-04-24 | Heating case for transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2544736Y (en) |
-
2002
- 2002-04-24 CN CN 02233083 patent/CN2544736Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |