CN203275423U - Heating insulation and sealing device for collecting expiratory air - Google Patents
Heating insulation and sealing device for collecting expiratory air Download PDFInfo
- Publication number
- CN203275423U CN203275423U CN 201320198946 CN201320198946U CN203275423U CN 203275423 U CN203275423 U CN 203275423U CN 201320198946 CN201320198946 CN 201320198946 CN 201320198946 U CN201320198946 U CN 201320198946U CN 203275423 U CN203275423 U CN 203275423U
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- expiratory air
- transfer tube
- pipe
- air transfer
- metal
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Abstract
The utility model relates to a heating insulation and sealing device for collecting expiratory air. The heating insulation and sealing device comprises an expiratory air heating insulation pipe, a metal two-way and a fixed bracket, wherein the heating insulation pipe comprises an expiratory air conveying pipe, one end of the expiratory pipe is inserted into an oxygen supply mask, the other end of the expiratory air conveying pipe is connected with a port of the metal two-way, and the metal two-way is fixed on the fixed bracket, and therefore, heating, heat preserving and conveying of the expiratory air can be ensured. The heating insulation and sealing device can be used for collecting the expiratory air and conveying air to other analysis detectors for online detection.
Description
Technical field
The utility model patent belongs to a kind of heat tracing packoff for gathering expiratory air, and, fixed support logical by expiratory air heat tracing pipe, metal two consists of.The heat tracing pipe comprises the expiratory air transfer tube, one end of expiratory air transfer tube inserts in the oxygen supply oxygen mask, the other end of expiratory air transfer tube is connected with the port that metal two leads to, and metal two is logical to be fixed on fixed support, can guarantee that the expiratory air that gathers can the heat tracing transmission.This device is used for gathering expiratory air, can be used for the online transport gas of other analyzing and testing instrument.
Background technology
Expiratory air is monitored as biological sample, and its advantage is that sample collection is convenient, non-damage, but continuous sampling, and the experimenter is acceptant.Simultaneously, the expiratory air component is urinated, blood is simple, analyzes relative simple; And expired air analysis can reflect the time weighted average concentration of chemicals in surrounding air, and relevant to the concentration of this material or its metabolin in blood sample, can reflect the mixed venous blood concentration.Norway proposes to adopt expiratory air as the highest allowable value index of monitoring cyclohexane, benzene, toluene, methylene chloride, methenyl choloride and zellon.But not yet used by routine, one of reason is the method for sampling standardization existing problems of expiratory air.It is reported that three kinds of expiratory air acquisition methods are arranged at present.
The analyzing and testing of the expiratory air ion mobility spectrometry in gradually the social extensive concern of quilt, especially present analysis field has begun to get involved this field.But the collection insulation problem of expiratory air has a strong impact on the subsequent analysis testing result.
Thereby the utility model proposes a kind of heat tracing packoff that gathers expiratory air.By a kind of device that heating and insulation two parts assembly form, each sealing joint of whole device.Under normal condition, keep sample gas between 40-70 ℃.
The utility model content
The purpose of this utility model is to provide a kind of heat tracing packoff for gathering patient's expiratory air.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of heat tracing packoff for gathering expiratory air comprises that expiratory air heat tracing pipe, metal two lead to, fixed support consists of;
The heat tracing pipe comprises the expiratory air transfer tube, it is polyfluortetraethylene pipe or PK pipe or stainless steel material pipe, at first be wound with heater strip or heating tape on expiratory air transfer tube outside wall surface, and then on expiratory air transfer tube outside wall surface, adiabator layer being set, heater strip or heating tape are between expiratory air transfer tube and adiabator layer;
One end of expiratory air transfer tube inserts in the oxygen supply oxygen mask, and the other end of expiratory air transfer tube is connected with the port that metal two leads to, and metal two is logical to be fixed on fixed support, can guarantee that the expiratory air that gathers can the heat tracing transmission.
One end of polyfluortetraethylene pipe or PK pipe or stainless steel material pipe inserts in the oxygen supply oxygen mask, and polyfluortetraethylene pipe or PK pipe or stainless steel material pipe and oxygen supply oxygen mask are tightly connected.
Establish external thread on the logical outer wall of metal two, be screwed with two nuts on it, tabular fixed support is provided with the through hole logical corresponding with metal two, in the logical through hole that is placed through on fixed support of metal two, metal two all excessively rotates two nuts and tightly is fixed on fixed support.
Insert polyfluortetraethylene pipe in the oxygen supply oxygen mask or PK pipe or stainless steel material Guan Yiduan near user's expiratory air gas port, towards user's the airflow direction of giving vent to anger.
Metal two is logical is hollow, and expiratory air transfer tube one end inserts between therefrom; Heat-insulation layer one end of heat tracing pipe amplexiforms mutually with metal two is logical.
Adopt tetrafluoro adhesive tape winding heater strip or heating tape to be fixed on expiratory air transfer tube outside wall surface.
The expiratory air transfer tube that inserts in the oxygen supply oxygen mask is fixed on oxygen supply oxygen mask interface, oxygen supply oxygen mask interface is " T " font, the lower port of " T " font is input oxygen port, one of two relative ports in top of " T " font are oxygen supply oxygen mask port, the expiratory air transfer tube inserts in another port, and the expiratory air transfer tube is stretched in the oxygen supply oxygen mask through oxygen supply oxygen mask interface.
Expiratory air transfer tube on oxygen supply oxygen mask interface inserts port and is provided with external thread, be screwed with a top on it with the nut with internal thread of through hole, be provided with the ring seal pad between port and nut, the through hole that the expiratory air transfer tube passes nut stretches in port.
Heater strip or heating tape, and heat-insulation layer be for making the expiratory air transfer tube satisfy heat tracing to the ambient condition of 40-70 degree centigrade; Heat-insulation layer is to use silicon rubber or polyurethane thermal pipe integral heat insulation.
This device is used for gathering the transmission expiratory air, supplies in other analyzing and testing instrument on-line analyses.
Description of drawings
Describe in further detail below in conjunction with accompanying drawing.
Fig. 1, a kind of heat tracing packoff one-piece construction schematic diagram for gathering expiratory air;
In Fig. 1: 1 is patient's oxygen supply oxygen mask interface; 2 are expiratory air heat tracing pipe; 3 is that metal two is logical; 4 is fixed support.
Fig. 2, a kind of concrete assembly of heat tracing packoff and connection layout for gathering expiratory air.
In Fig. 2: 5 is patient's oxygen supply entrance (slightly); 6 are expiratory air transfer tube and outlet; 7 is patient's expiratory air collection outlet; 8 is two to lead to junctor; 9 is heating arrangement; 10 is attemperator.
Embodiment
Embodiment 1:
A kind of heat tracing packoff for gathering expiratory air is logical 3 by patient's oxygen supply oxygen mask interface 1, expiratory air heat tracing pipe 2, metal two, fixed support 4 consists of.Expiratory air heat tracing pipe inserts face shield one interface 6, interface band external thread, and the internal thread phase interlock with expiratory air heat tracing pipe one side two is led to junctor 8 keeps sealing.Metal two logical 8 tightly is fixed on fixed support 4 by rotating nut.Can guarantee that the patient's expiratory air that gathers can seal is transferred to the analyzing and testing instrument.
The instrument that the expiratory air heating and heat-insulating device connects such as ion mobility spectrometry, the inner sampling pump that is equipped with, the extraction expiratory air can detect analysis for ion mobility spectrometry or other analysers by this heat tracing packoff transmission.
Claims (8)
1. a heat tracing packoff that is used for gathering expiratory air, is characterized in that: comprise that expiratory air heat tracing pipe, metal two lead to, fixed support consists of;
The heat tracing pipe comprises the expiratory air transfer tube, it is polyfluortetraethylene pipe or PK pipe or stainless steel material pipe, at first be wound with heater strip or heating tape on expiratory air transfer tube outside wall surface, and then on expiratory air transfer tube outside wall surface, adiabator layer being set, heater strip or heating tape are between expiratory air transfer tube and adiabator layer;
One end of expiratory air transfer tube inserts in the oxygen supply oxygen mask, and the other end of expiratory air transfer tube is connected with the port that metal two leads to, and metal two is logical to be fixed on fixed support, can guarantee that the expiratory air that gathers can the heat tracing transmission.
2. packoff according to claim 1 is characterized in that: an end of polyfluortetraethylene pipe or PK pipe or stainless steel material pipe inserts in the oxygen supply oxygen mask, and polyfluortetraethylene pipe or PK pipe or stainless steel material pipe and oxygen supply oxygen mask are tightly connected.
3. packoff according to claim 1, it is characterized in that: establish external thread on the logical outer wall of metal two, be screwed with two nuts on it, tabular fixed support is provided with the through hole logical corresponding with metal two, in the logical through hole that is placed through on fixed support of metal two, metal two all excessively rotates two nuts and tightly is fixed on fixed support.
4. packoff according to claim 1 is characterized in that: insert polyfluortetraethylene pipe in the oxygen supply oxygen mask or PK pipe or stainless steel material Guan Yiduan near user's expiratory air gas port, towards user's the airflow direction of giving vent to anger.
5. packoff according to claim 1 is characterized in that: metal two is logical is hollow, and expiratory air transfer tube one end inserts between therefrom; Heat-insulation layer one end of heat tracing pipe amplexiforms mutually with metal two is logical.
6. packoff according to claim 1, is characterized in that: adopt tetrafluoro adhesive tape winding heater strip or heating tape to be fixed on expiratory air transfer tube outside wall surface, supply the interior temperature of the controlled expiratory air transfer tube processed of electrical heating between 40-70 degree centigrade.
7. packoff according to claim 1, it is characterized in that: the expiratory air transfer tube that inserts in the oxygen supply oxygen mask is fixed on oxygen supply oxygen mask interface, oxygen supply oxygen mask interface is " T " font, the lower port of " T " font is input oxygen port, one of two relative ports in top of " T " font are oxygen supply oxygen mask port, the expiratory air transfer tube inserts in another port, and the expiratory air transfer tube is stretched in the oxygen supply oxygen mask through oxygen supply oxygen mask interface.
8. packoff according to claim 7, it is characterized in that: the expiratory air transfer tube on oxygen supply oxygen mask interface inserts port and is provided with external thread, be screwed with a top on it with the nut with internal thread of through hole, be provided with the ring seal pad between port and nut, the through hole that the expiratory air transfer tube passes nut stretches in port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198946 CN203275423U (en) | 2013-04-18 | 2013-04-18 | Heating insulation and sealing device for collecting expiratory air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198946 CN203275423U (en) | 2013-04-18 | 2013-04-18 | Heating insulation and sealing device for collecting expiratory air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275423U true CN203275423U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320198946 Expired - Fee Related CN203275423U (en) | 2013-04-18 | 2013-04-18 | Heating insulation and sealing device for collecting expiratory air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203275423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793002A (en) * | 2015-03-13 | 2015-07-22 | 中山市环境监测站 | Atmospheric automatic monitoring apparatus capable of realizing sampling/calibrating alternative equivalent operation, and method thereof |
| CN112773409A (en) * | 2020-12-30 | 2021-05-11 | 深圳市步锐生物科技有限公司 | Self-charging maintenance device for handheld expired air sampler |
-
2013
- 2013-04-18 CN CN 201320198946 patent/CN203275423U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793002A (en) * | 2015-03-13 | 2015-07-22 | 中山市环境监测站 | Atmospheric automatic monitoring apparatus capable of realizing sampling/calibrating alternative equivalent operation, and method thereof |
| CN112773409A (en) * | 2020-12-30 | 2021-05-11 | 深圳市步锐生物科技有限公司 | Self-charging maintenance device for handheld expired air sampler |
| CN112773409B (en) * | 2020-12-30 | 2023-06-16 | 深圳市步锐生物科技有限公司 | Self-charging maintenance device of handheld exhaled breath sampler |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20180418 |