CN203688015U - Heating device for anesthesia machine breathing circuit flow sensor - Google Patents
Heating device for anesthesia machine breathing circuit flow sensor Download PDFInfo
- Publication number
- CN203688015U CN203688015U CN201320792729.8U CN201320792729U CN203688015U CN 203688015 U CN203688015 U CN 203688015U CN 201320792729 U CN201320792729 U CN 201320792729U CN 203688015 U CN203688015 U CN 203688015U
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- CN
- China
- Prior art keywords
- heat conduction
- flow sensor
- breathing circuit
- described heat
- anesthesia machine
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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 - Lifetime
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 47
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 34
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 title claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000001356 surgical procedure Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
Images
Abstract
The utility model provides a heating device for an anesthesia machine breathing circuit flow sensor, which comprises an upper cover, a lower cover, heat conduction connectors, a heat conduction block and a heat conduction plate, wherein a heat conduction protection cover is formed between the upper cover and the lower cover; an external port is arranged at the rear end of the heat conduction protection cover; two conduction connectors are arranged at the front end of the heat conduction protection cover; the heat conduction block is arranged on the outer sides of the upper cover and the lower cover through the external port and connected with a heat source; the heat conduction plate is arranged in the heat conduction protection cover and above the conduction connectors; one end of the heat conduction plate is communicated with the heat conduction connector; the other end of the heat conduction plate is connected with the heat conduction block through the external port. As the heating device is directly connected with a flow sensor, the heating effect on the flow sensor is remarkable, the temperature difference between air exhaled by a patient and the flow sensor is reduced, therefore, water can be prevented from accumulating in the flow sensor when the air exhaled by the patient flows through the flow sensor, the precision of the flow sensor for detecting tidal volume is increased and the operation effect can be effectively guaranteed.
Description
Technical field
The utility model relates to a kind of patient circuit's assembly, particularly relates to a kind of flow sensor heating arrangement being applied on Anesthesia machine breathing circuit.
Background technology
The doctor of hospital is in clinical practice, before patient performs the operation and in operation, conventionally with Anesthesia machine, patient is implemented to anesthetic action, to alleviate the pain of patient in the time performing the operation, in surgical procedure, the very important point is, doctor need to monitor patient's tidal volume, and detection of moisture amount palpus use traffic sensor, for the Anesthesia machine breathing circuit that uses differential flow sensor, flow is that the pressure reduction that flows through flow sensor diaphragm both sides by detection obtains, the gas temperature of breathing out due to patient is higher, in the time running into relatively low Anesthesia machine breathing circuit, will in breathing circuit, form condensate water, the accuracy of the detection to tidal volume particularly can directly affect Anesthesia machine work after flow sensor sample lines and diaphragm ponding time, doctor's surgical work is brought to very adverse influence.Detect the impact of performance in order to improve ponding flow sensor, existing way has two kinds of modes, the first: at the patient end of Anesthesia machine breathing circuit, heat interchange condensing unit is set; The second: Anesthesia machine breathing circuit is heated.Although these ways have reduced the generation of condensate water in breathing circuit, the differential flow sensor of close patient end, because loop heating is less to the effect of its generation, produces so still have ponding, and this monitoring to tidal volume in operation is very unfavorable.
Utility model content
The purpose of this utility model is to provide a kind of not enough Anesthesia machine breathing circuit flow sensor heating arrangement that overcomes ponding method in existing Anesthesia machine breathing circuit that improves.
For solving the problems of the technologies described above, the utility model Anesthesia machine breathing circuit flow sensor heating arrangement, comprising: upper cover and lower cover, between described upper cover and described lower cover, form a heat conduction protective cover, and be provided with external-connected port in the rear end of described heat conduction protective cover; Heat conduction joint, described heat conduction joint quantity is two, two described heat conduction joints are arranged on the front end of described heat conduction protective cover; Heat-conducting block, described heat-conducting block is arranged on described upper cover and described lower cover outside by described external-connected port, and described heat-conducting block is connected with thermal source; Heat-conducting plate; described heat-conducting plate is arranged in described heat conduction protective cover; described heat-conducting plate is arranged on described heat conduction joint top, and one end of described heat-conducting plate is communicated with described heat conduction joint, the other end of described heat-conducting plate be connected with described heat-conducting block by described external-connected port.
Described heat conduction joint comprises: joint body; Through hole, described through hole is arranged in described joint body, and described through hole stretches out described heat conduction protective cover; Circular hole, described circular hole is arranged in described joint body, and described circular hole one end is communicated with described through hole, and the described circular hole other end is in communication with the outside.
The quantity of described circular hole is two, two relatively independent settings of described circular hole.
On described heat-conducting plate, be provided with the butt hole running through, the position of described butt hole is corresponding with position and the quantity of described circular hole with quantity.
Be provided with seal groove on described circular hole top and outside described through hole.
In described upper cover, be also provided with groove.
The material of described heat conduction joint, described heat-conducting block and described heat-conducting plate is metal.
The utility model Anesthesia machine breathing circuit flow sensor heating arrangement directly and flow sensor join, the heating effect of flow sensor is obvious, so the gas that patient breathes out and the temperature difference of flow sensor reduce, thereby patient's gas of the flow sensor of avoiding flowing through produces ponding at flow sensor place, improve the accuracy of flow sensor detection of moisture amount, can effectively guarantee the effect of operation; Because heat conductor also heats whole loop when sensor is heated, the gas temperature differential that temperature in breathing circuit and patient are breathed out reduces, thereby has also reduced the formation of the condensate water in breathing circuit simultaneously; Heat conductor is positioned at heat conduction protective cover, deadens with the external world, is conducive to avoid scattering and disappearing of heat energy, and effectively prevents that in surgical procedure, staff contacts the scald that heating arrangement may cause accidentally.
Accompanying drawing explanation
Fig. 1 is the utility model Anesthesia machine breathing circuit flow sensor heating arrangement explosive view;
Fig. 2 is the utility model Anesthesia machine breathing circuit flow sensor heating arrangement heat conduction joint cut-open view;
Fig. 3 is the utility model Anesthesia machine breathing circuit flow sensor heating arrangement cut-open view.
Description of reference numerals in the utility model Anesthesia machine breathing circuit flow sensor heating arrangement accompanying drawing:
1-upper cover 2-lower cover 3-external-connected port
4-heat conduction joint 5-heat-conducting block 6-heat-conducting plate
7-through hole 8-circular hole 9-seal groove
10-butt hole 11-groove
Embodiment
Below in conjunction with accompanying drawing, the utility model Anesthesia machine breathing circuit flow sensor heating arrangement is described in further detail.
As shown in FIG. 1 to 3, the utility model Anesthesia machine breathing circuit flow sensor heating arrangement, comprises the heat-conducting block 5 of metal material and heat-conducting plate 6, breathing circuit upper cover 1, breathing circuit lower cover 2.Breathing circuit lower cover 2 one end are provided with exhales and air-breathing manhole 7, in order to the heat conduction joint 4 of flow sensor heating use to be installed.Heat conductor comprises heat conduction joint 4, heat-conducting plate 6 and heat-conducting block 5, and heat-conducting block 5 removably connects with heat-conducting plate 6, and heat-conducting block 5 can join with thermal source, conducts heat by heat-conducting plate 6; Heat conduction joint 4 circular configuration ends are arranged on that breathing circuit lower cover 2 is exhaled and air-breathing manhole 7 places, heat conduction joint 4 inside have manhole 7, the outside surface of heat conduction joint 4 circular configurations has seal groove 9, heat conduction joint 4 other end upper surfaces are planar structures, in this planar structure, have two circular holes 8, two circular hole 8 upper ends are provided with seal groove 9, and circular hole 8 runs through with through hole 7.
Breathing circuit upper cover 1 and the rear heat conduction protective cover that forms of breathing circuit lower cover 2 assemblings; heat conduction protective cover one side has external-connected port 3; heat conduction protective cover interior periphery is provided with groove 11; external-connected port 3 and groove 11 are for carrying heat-conducting block 5 and heat-conducting plate 6; heat-conducting plate 6 entirety are wrapped in heat conduction protective cover, and heat-conducting block 5 is positioned at heat conduction protective cover external-connected port 3 places.For after the heat-conducting block 5 of realizing heating function and heat-conducting plate 6 assemblings, heat-conducting plate 6 lower surfaces and heat conduction joint 4 planar structure faces fit, and the corresponding connection of circular hole 8 of butt hole 10 on heat-conducting plate 6 and heat conduction joint 4.
After comprising heat conduction joint 4, heat-conducting plate 6 and heat-conducting block 5 assemblings, not only can heat the flow sensor that is installed on heat conduction joint 4 manhole 7 places well, and can heat Anesthesia machine breathing circuit simultaneously, gas that patient breathes out and the temperature difference of Anesthesia machine breathing circuit are reduced, thereby patient's gas of the flow sensor of avoiding better flowing through produces ponding at flow sensor place, improve the accuracy of flow sensor detection of moisture amount, can effectively guarantee the effect of operation;
Anesthesia machine breathing circuit in the utility model, this Anesthesia machine breathing circuit flow sensor is provided with heating arrangement, lower cover 2 one sides of this Anesthesia machine breathing circuit are provided with expiration through hole 7 and air-breathing through hole 7, in air-breathing through hole 7 and expiration through hole 7, be provided with heat conduction joint 4, form heat conductor by heat conduction joint 4 and heat-conducting block 5 and heat-conducting plate 6, whole breathing circuit is heated, to reduce the gas of patient's exhalation and the temperature difference of flow sensor and breathing circuit, thereby avoid the condensation of gas of crossing ambassador patient's exhalation because of temperature difference to produce ponding, finely the detection accuracy of flow sensor and the normal work of Anesthesia machine breathing circuit are guaranteed.
The utility model Anesthesia machine breathing circuit flow sensor heating arrangement directly and flow sensor join, the heating effect of flow sensor is obvious, so the gas that patient breathes out and the temperature difference of flow sensor reduce, thereby patient's gas of the flow sensor of avoiding flowing through produces ponding at flow sensor place, improve the accuracy of flow sensor detection of moisture amount, can effectively guarantee the effect of operation; Because heat conductor also heats whole loop when sensor is heated, the gas temperature differential that temperature in breathing circuit and patient are breathed out reduces, thereby has also reduced the formation of the condensate water in breathing circuit simultaneously; Heat conductor is positioned at heat conduction protective cover, deadens with the external world, is conducive to avoid scattering and disappearing of heat energy, and effectively prevents that in surgical procedure, staff contacts the scald that heating arrangement may cause accidentally.
Below the preferred embodiment of the utility model having been created illustrates, but the utility model is created and is not limited to embodiment, those of ordinary skill in the art also can make all modification being equal to or replacement under the prerequisite without prejudice to the utility model creative spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (7)
1. Anesthesia machine breathing circuit flow sensor heating arrangement, comprising:
Upper cover and lower cover, form a heat conduction protective cover between described upper cover and described lower cover, be provided with external-connected port in the rear end of described heat conduction protective cover;
Heat conduction joint, described heat conduction joint quantity is two, two described heat conduction joints are arranged on the front end of described heat conduction protective cover;
Heat-conducting block, described heat-conducting block is arranged on described upper cover and described lower cover outside by described external-connected port, and described heat-conducting block is connected with thermal source;
Heat-conducting plate; described heat-conducting plate is arranged in described heat conduction protective cover; described heat-conducting plate is arranged on described heat conduction joint top, and one end of described heat-conducting plate is communicated with described heat conduction joint, the other end of described heat-conducting plate be connected soon with described heat conduction by described external-connected port.
2. Anesthesia machine breathing circuit flow sensor heating arrangement according to claim 1, is characterized in that, described heat conduction joint comprises:
Joint body;
Through hole, described through hole is arranged in described joint body, and described through hole stretches out described heat conduction protective cover;
Circular hole, described circular hole is arranged in described joint body, and described circular hole one end is communicated with described through hole, and the described circular hole other end is in communication with the outside.
3. Anesthesia machine breathing circuit flow sensor heating arrangement according to claim 2, is characterized in that, the quantity of described circular hole is two, two relatively independent settings of described circular hole.
4. Anesthesia machine breathing circuit flow sensor heating arrangement according to claim 3, is characterized in that, is provided with the butt hole running through on described heat-conducting plate, and the position of described butt hole is corresponding with position and the quantity of described circular hole with quantity.
5. Anesthesia machine breathing circuit flow sensor heating arrangement according to claim 2, is characterized in that, is provided with seal groove on described circular hole top and outside described through hole.
6. Anesthesia machine breathing circuit flow sensor heating arrangement according to claim 1, is characterized in that, is also provided with groove in described upper cover.
7. Anesthesia machine breathing circuit flow sensor heating arrangement according to claim 1, is characterized in that, the material of described heat conduction joint, described heat-conducting block and described heat-conducting plate is metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792729.8U CN203688015U (en) | 2013-12-03 | 2013-12-03 | Heating device for anesthesia machine breathing circuit flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792729.8U CN203688015U (en) | 2013-12-03 | 2013-12-03 | Heating device for anesthesia machine breathing circuit flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688015U true CN203688015U (en) | 2014-07-02 |
Family
ID=51009902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320792729.8U Expired - Lifetime CN203688015U (en) | 2013-12-03 | 2013-12-03 | Heating device for anesthesia machine breathing circuit flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203688015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117224801A (en) * | 2023-11-15 | 2023-12-15 | 吉林大学 | Flow sensing and measuring device in anesthesia machine |
-
2013
- 2013-12-03 CN CN201320792729.8U patent/CN203688015U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117224801A (en) * | 2023-11-15 | 2023-12-15 | 吉林大学 | Flow sensing and measuring device in anesthesia machine |
| CN117224801B (en) * | 2023-11-15 | 2024-01-09 | 吉林大学 | Flow sensing and measuring device in anesthesia machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |