CN203885976U - Heat and humidity exchange device - Google Patents
Heat and humidity exchange device Download PDFInfo
- Publication number
- CN203885976U CN203885976U CN201420241930.1U CN201420241930U CN203885976U CN 203885976 U CN203885976 U CN 203885976U CN 201420241930 U CN201420241930 U CN 201420241930U CN 203885976 U CN203885976 U CN 203885976U
- Authority
- CN
- China
- Prior art keywords
- tubular shell
- oxygen
- filter element
- humidity exchange
- heat
- 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 - Lifetime
Links
- 239000001301 oxygen Substances 0.000 claims abstract description 59
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 59
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 58
- 206010036790 Productive cough Diseases 0.000 claims abstract description 26
- 210000003802 sputum Anatomy 0.000 claims abstract description 26
- 208000024794 sputum Diseases 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims description 20
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 description 6
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000001949 anaesthesia Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a heat and humidity exchange device comprising a tubular housing. Two ends of the tubular housing are provided with filtering cores, an oxygen inlet is arranged in the middle of the tubular housing, the tubular housing is provided with a general joint and a sputum suction joint, the tubular housing is provided with a shunt component used for shunting the oxygen flowing from the oxygen inlet to the filtering core, inside, and the oxygen inlet is a general joint compatible with oxygen incoming pipes with different diameters. The shunt component shunts the oxygen to the filtering core, the filtering core heats and humidifies the oxygen fully, and the fine using effect is achieved.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of heat and humidity exchange.
Background technology
Heat and humidity exchange (HME) are clinical conventional a kind of medical apparatus and instruments, mainly use in anaesthesia patient, ICU intensive care unit patient's etc. medical treatment and nursing process.Although respirator and breathing circuit provide the probability of artificial ventilation to dyspneic sufferer, in use, the gas of respirator output does not have humidity or the temperature of applicable human lung's environment.At present, the patient that intubate is breathed under artificial ventilation state normally adds gentle humidification by two kinds of modes to gas.First kind of way: when patient expects that the time that intubate is breathed is less than 72 hours, adopt and add the wet switch of a heat on artificial ventilation device.The operation of the wet switch of heat is to retain heat and humidity the gas by breathing out from patient, and the heat and the humidity that major part are retained in upper once expiratory phase give patient.The second way: when patient expects that the time that intubate is breathed surpasses 72 hours, adopt an active armarium initiatively to artificial ventilation device heating and moistening.
At heat and humidity exchange, (be called for short: while the wet switch of heat) working, in order to prevent from breathing sputum in path, pollute the oxygen air inlet in the wet switch of heat, and can take out the sputum of breathing in path, solution of the prior art is that filter element is arranged on to housing both sides, with breathe the direct-connected general-purpose interface of path and be arranged in the middle of two filter elements, oxygen air inlet is arranged on the filter element place of a side, an oxygen channel that connects respectively the filter element of oxygen air inlet and opposite side is set specially in hull outside wall, by this oxygen channel oxygen delivery to housing both sides filter element.The filter element of both sides carries out after heating and moistening oxygen, and oxygen enters to be breathed in path, thereby enters in patient body.But such technical scheme complex structure, is inconvenient to produce, and the amount of oxygen flowing in the filter element of both sides is unbalanced, can not obtain preferably heating and moistening effect.
Summary of the invention
Based on this, be necessary to provide a kind of simple in structure, rationally distributed and reach the wet switch of heat of good heating and moistening effect.
A kind of heat and humidity exchange, comprise tubular shell, the two ends of described tubular shell are respectively equipped with filter element, in described tubular shell centre position, be provided with oxygen air inlet, described tubular shell is also provided with general-purpose interface and suction sputum interface, and described tubular shell inside is also provided with for the oxygen flowing into from described oxygen air inlet being branched to the by-passing parts of described filter element.
Preferably, described oxygen air inlet is received joint for bag that can compatible different bore oxygen intake pipes.
Preferably, described bag is received joint outer surface and is provided with the striped of several projections.
Preferably, described tubular shell both ends are provided with the back-up ring that blocks described filter element.
Preferably, described back-up ring and described tubular shell are for removably connecting.
Preferably, described tubular shell is also provided with suction sputum interface, and described suction sputum interface is provided with lid, and the end face of described lid is comprised of several fan-shaped soft catch.
Preferably, described tubular shell is also provided with suction sputum interface, and described suction sputum interface is provided with several fan-shaped soft catch.
Preferably, described filter element is sponge or corrugated paper.
Preferably, described by-passing parts is arc block plate, and described catch forms with described tubular shell the gas passage that has two gas outlets that are connected with described filter element.
Preferably, described by-passing parts is the gas piping that two gas outlets are connected with described filter element.
Above-mentioned utility model is by being provided with by-passing parts in tubular shell inside, by-passing parts is shunted the oxygen flowing into from oxygen air inlet, make oxygen flow into uniformly the filter element that is distributed in tubular shell both sides, make that oxygen and filter element are full and uniform to be contacted, obtain preferably heating and moistening effect.In addition by-passing parts has also effectively prevented that the sputum in tubular shell from stopping up oxygen air inlet, has guaranteed the normal inflow of oxygen.This utility model is simple in structure, rationally distributed, be easy to manufacture and save material simultaneously, is suitable for the medical treatment and nursing processes such as clinical Intensive Care Therapy or anesthesia and uses.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model;
Fig. 2 is structural representation two of the present utility model;
Fig. 3 is structural representation three of the present utility model;
Fig. 4 is structural representation four of the present utility model;
Fig. 5 is structural representation five of the present utility model.
Wherein, concrete parts reference numeral is listed as follows:
10, tubular shell 11, oxygen air inlet
12, general-purpose interface 13, filter element
14, by-passing parts 15, back-up ring
16, suction sputum interface 17, fixture
111, striped 151, the first back-up ring junction point
152, the second back-up ring junction point 161, lid
162, fan-shaped soft catch.
The specific embodiment
Below with reference to embodiment and accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is clearly and completely described, to understand fully the purpose of this utility model, feature and effect.Obviously; described embodiment is a part of embodiment of the present utility model, rather than whole embodiment, based on embodiment of the present utility model; other embodiment that those skilled in the art obtains under the prerequisite of not paying creative work, all belong to the scope that this utility model is protected.
Please refer to Fig. 1, an embodiment of the present utility model provides a kind of heat and humidity exchange, this heat and humidity exchange comprise tubular shell 10, the two ends of tubular shell 10 are respectively equipped with in filter element 13(Fig. 1 not shown, with reference to Fig. 2), oxygen carries out heat and humidity exchange at filter element 13 places; Tubular shell 10 centre positions are provided with oxygen air inlet 11, and oxygen air inlet 11 is for transmitting oxygen in tubular shell 10.In addition tubular shell 10 is also provided with general-purpose interface 12 and suction sputum interface 16, and general-purpose interface 12 externally connects tracheal casing pipe, and tracheal casing pipe is connected with patient respiratory path.Suction sputum interface 16 takes the sputum in sucking-off general-purpose interface 12 for inserting sputum aspirator tube.In tubular shell 10, be provided with by-passing parts 14, by-passing parts 14 has been isolated oxygen air inlet 10 and general-purpose interface 12, and both can not directly be communicated with.Oxygen, from oxygen air inlet 11 flows to, is diverted to filter element 13 places of tubular shell 10 both sides by by-passing parts 14.
Please refer to Fig. 4, oxygen air inlet 11 is received joint for bag that can compatible different bore oxygen intake pipes.Concrete at bag, receive joint outer surface and be provided with the striped 111 of several projections, the air inlet end of oxygen air inlet 11 increases successively to the bore of the striped 111 of tubular shell 10 ends, and each bore striped 111 correspondences connect the oxygen intake pipe of corresponding bore.The oxygen intake pipe that the striped 111 of above-mentioned projection makes different bores all can be received joint sealing with this bag and be connected.In the embodiment of the present invention, by above-mentioned bag, receive joint and realized the oxygen intake pipe that independent oxygen air inlet 11 can connect different bores, without heat and the humidity exchange of producing different size interface, convenient manufacture, and be convenient to medical personnel and use.
Please refer to Fig. 1 and Fig. 2, the both ends of tubular shell 10 are provided with the back-up ring 15 that blocks described filter element 13, and back-up ring 15 is connected with tubular shell 10 with the second back-up ring junction point 152 by the first back-up ring junction point 151.In this embodiment, the first back-up ring junction point 151 is dismountable, the second back-up ring junction point 152 is fixedly connected with, dismantle after the first back-up ring junction point 151 more renew cartridge 13, more after renew cartridge 13, the first back-up ring junction point 151 can return to the state that back-up ring 15 blocks filter element 13 by clamping or other connected modes, avoids filter element 13 to come off.In addition, the second back-up ring junction point 152 also can be set to dismountable mode, and when dismantling the first back-up ring junction point 151 and the second back-up ring junction point 152, back-up ring 15 is completely separated with tubular shell 10 simultaneously.The back-up ring of the embodiment of the present invention is simple in structure, and convenient disassembly is easy to use, and permeability is good simultaneously.
Please refer to Fig. 3, be also provided with suction sputum interface 16 on tubular shell 10, suction sputum interface 16 is provided with lid 161.The end face of lid 161 is comprised of several fan-shaped soft catch 162, while needing suction sputum like this, lid 161 can be opened to the fan-shaped soft catch 162 that sputum aspirator tube can be inserted on suction sputum interface 16 and carry out suction sputum operation, also can take off where necessary lid 161 and carry out associative operation.In addition, can also several fan-shaped soft catch 162 be directly installed on suction sputum interface 16, now fan-shaped soft catch 162 is one-body molded with tubular shell 10.
Please refer to Fig. 1 and Fig. 2, tubular shell 10 both sides are equipped with filter element 13, and filter element 13 is for retaining gas heat and the humidity of exhalation, and heat major part being retained in upper once expiratory phase and the humidity gas of passing to suction.In this embodiment, filter element 13 is sponge, corrugated paper or other conventional filtering materials.The filter element 13 of tubular shell 10 both sides all has air flue to communicate with general-purpose interface 12, and oxygen is heated at filter element 13 places of both sides, after humidification, enter general-purpose interface 12 along with patient is air-breathing, by general-purpose interface 12, arrives tracheal casing pipes, finally enters in patient's body.
Please refer to Fig. 2 and Fig. 5, tubular shell 10 inside are provided with two fixtures 17, for the fixing filter element 13 at tubular shell 10 two ends, prevent that filter element 13 from sliding.Fixture 17 is one-body molded with tubular shell 10, can be also to combine by other connected modes.
Please refer to Fig. 1 and Fig. 2, by-passing parts 14 is catch, preferred, can adopt arc block plate.Two gas passages between by-passing parts 14 and tubular shell 10, have been formed, the gas outlet of these two gas passages is the filter element 13 of connecting tubular housing 10 both sides respectively, be by-passing parts 14 during for arc block plate, two side is connected with housing seal respectively or is one-body molded.Filter element 13 places of tubular shell 10 both sides are shunted and arrived along above-mentioned two gas passages to oxygen, from oxygen air inlet 11 enters, by by-passing parts 14.
Oxygen in oxygen air inlet 11 must could arrive general-purpose interface 12 after filter element 13 heating and moistenings, so not only guaranteed that oxygen can be heated fully at the interior quilt of filter element 13, humidification, effectively prevent that the sputum in general-purpose interface 12 from polluting oxygen air inlet 11 simultaneously, thereby oxygen air inlet 11 can not stopped up by sputum, guaranteed the normal inflow of oxygen.By-passing parts 14 can be also two gas pipings, and the gas outlet of two gas pipings is connected with the filter element 13 of tubular shell 10 both sides respectively, and the oxygen flowing into from oxygen air inlet 11 is shunted and guided.In addition, by-passing parts 14 also has other embodiment, and the structure by shunting oxygen to tubular shell 10 both sides filter elements 13, all belongs to protection domain of the present utility model.
The above embodiment has only expressed the specific embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a heat and humidity exchange, comprise tubular shell, the two ends of described tubular shell are respectively equipped with filter element, in described tubular shell centre position, be provided with oxygen air inlet, described tubular shell is also provided with general-purpose interface and suction sputum interface, it is characterized in that, described tubular shell inside is provided with for the oxygen flowing into from described oxygen air inlet being branched to the by-passing parts of described filter element.
2. according to heat claimed in claim 1 and humidity exchange, it is characterized in that, described oxygen air inlet is received joint for bag that can compatible different bore oxygen intake pipes.
3. heat according to claim 2 and humidity exchange, is characterized in that, described bag is received joint outer surface and is provided with the striped of several projections.
4. heat according to claim 1 and humidity exchange, is characterized in that, described tubular shell both ends are provided with the back-up ring that blocks described filter element.
5. heat according to claim 4 and humidity exchange, is characterized in that, described back-up ring and described tubular shell are for removably connecting.
6. heat according to claim 1 and humidity exchange, is characterized in that, described suction sputum interface is provided with lid, and the end face of described lid is comprised of several fan-shaped soft catch.
7. heat according to claim 1 and humidity exchange, is characterized in that, described suction sputum interface is provided with several fan-shaped soft catch.
8. heat according to claim 1 and humidity exchange, is characterized in that, described filter element is sponge or corrugated paper.
9. heat according to claim 1 and humidity exchange, is characterized in that, described by-passing parts is arc block plate, and described catch forms with described tubular shell the gas passage that has two gas outlets that are connected with described filter element.
10. heat according to claim 1 and humidity exchange, is characterized in that, described by-passing parts is the gas piping that two gas outlets are connected with described filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241930.1U CN203885976U (en) | 2014-05-13 | 2014-05-13 | Heat and humidity exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241930.1U CN203885976U (en) | 2014-05-13 | 2014-05-13 | Heat and humidity exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203885976U true CN203885976U (en) | 2014-10-22 |
Family
ID=51712431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420241930.1U Expired - Lifetime CN203885976U (en) | 2014-05-13 | 2014-05-13 | Heat and humidity exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203885976U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041992A (en) * | 2016-02-09 | 2017-08-15 | 德尔格制造股份两合公司 | HME devices in the breath cycle of artificial respiration |
| CN109718446A (en) * | 2019-02-26 | 2019-05-07 | 中国人民解放军联勤保障部队第九八五医院 | Respiratory infectious disease breathing circuit |
| CN113350647A (en) * | 2021-05-25 | 2021-09-07 | 中国五冶集团有限公司医院 | Tracheotomy catheter assembly |
-
2014
- 2014-05-13 CN CN201420241930.1U patent/CN203885976U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041992A (en) * | 2016-02-09 | 2017-08-15 | 德尔格制造股份两合公司 | HME devices in the breath cycle of artificial respiration |
| US11351327B2 (en) | 2016-02-09 | 2022-06-07 | Drägerwerk AG & Co. KGaA | HME device for use in a breathing circuit of a ventilation system |
| CN109718446A (en) * | 2019-02-26 | 2019-05-07 | 中国人民解放军联勤保障部队第九八五医院 | Respiratory infectious disease breathing circuit |
| CN109718446B (en) * | 2019-02-26 | 2021-06-01 | 中国人民解放军联勤保障部队第九八五医院 | Respiratory circuit for respiratory tract transmitted diseases |
| CN113350647A (en) * | 2021-05-25 | 2021-09-07 | 中国五冶集团有限公司医院 | Tracheotomy catheter assembly |
| CN113350647B (en) * | 2021-05-25 | 2023-02-28 | 中国五冶集团有限公司医院 | Tracheotomy catheter assembly |
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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: 20141022 |