CN202920748U - Multi-path medical heat-humidity exchange device - Google Patents
Multi-path medical heat-humidity exchange device Download PDFInfo
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- CN202920748U CN202920748U CN201220480158.XU CN201220480158U CN202920748U CN 202920748 U CN202920748 U CN 202920748U CN 201220480158 U CN201220480158 U CN 201220480158U CN 202920748 U CN202920748 U CN 202920748U
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Abstract
The utility model discloses a multi-path medical heat-humidity exchange device (for short: heat-humidity exchange device) used in clinical mechanical ventilation, and particularly relates to a bacteria-blocking heat-humidity exchange device with a medicine feeding function. The heat-humidity exchange device comprises a base, a core body comprising a plurality of paths, an upper cover and heat-humidity exchange media (for short: heat-humidity exchange media) which are arranged in the core body. The heat-humidity exchange device is characterized in that the plurality of paths which are independent and mutually separated are arranged in the core body, the heat-humidity exchange media are arranged in at least one path, and a bacteria-blocking film is arranged on the outer surface of each heat-humidity exchange medium. The heat-humidity exchange device is simple in structure, reliable in preventing bacteria from passing through the heat-humidity exchange device, and capable of preventing a breathing machine from being polluted and causing cross infection, or preventing bacteria in a breathing machine system from being passed to patients. In addition, under the situation that the heat-humidity exchange device is not dismantled, atomizing medicine is injected to the patients.
Description
Technical field
This utility model relates to a kind of medical heat and humidity exchange (HME).
Background technology
Medical heat and humidity exchange (HME) are clinical a kind of medical apparatus and instruments commonly used, 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 suitable human lung's environment.At present, the patient that intubate is breathed under the artificial ventilation state normally adds gentle humidification by dual mode to gas.First kind of way: when the patient expects that the time that intubate is breathed is less than 72 hours, adopt and add the wet switch of a heat on the artificial ventilation device.The operation of the wet switch of heat is by retening temperature and humidity from patient's Exhaled gasesS, and gives the patient in expiratory phase next time with the temperature and humidity that major part keeps.The second way: when the patient expects that the time that intubate is breathed surpasses 72 hours, adopt an active armarium initiatively to artificial ventilation device heating and moistening.
In above-mentioned artificial ventilation medical treatment and nursing process, depending on patient's health, inject by the gas passage medicine of atomizing, the treatment respiratory tract disease.At this moment, inner heat and the humidity exchange media of medical heat and humidity exchange (HME) is easy to adsorb medicine, and the barrier gas path.So just caused the aeration resistance of medical heat and humidity exchange (HME) to increase.At present, clinical usually when introducing atomization medicine, remove medical heat and humidity exchange (HME) from breathing circuit.Operation can increase the weight of medical personnel's workload like this, and increases treatment cost.In addition, removing medical heat and humidity exchange (HME) also easily makes the wet switch of heat be subject to environmental pollution.And the use of the relatively simple multi-path resistance of structure sputum device can not remove and carries out infusion of medicine under the prerequisite of medical heat and humidity exchange (HME), extend the service time of medical heat and humidity exchange, thereby reduced the nursing cost of critically ill patient.
Simultaneously, existing heat and humidity exchange media adopt the porous material more, can guarantee unobstructed the passing through of gas, and with the water adsorption in gas on heat and humidity exchange media, after during mechanical ventilation in, keep the moistening of gas.In case residual pathogenic bacteria is arranged in respirator, also can enter in the patient respiration road with gas, thereby cause serious cross infection; Perhaps patient's vivo carrying pathogenic bacteria, also can enter into respirator system with gas.Outer surface at heat and humidity exchange media arranges the resistance Mycoderma, can stop the pathogenic bacteria in gas to enter respirator system by medical heat and humidity exchange (HME), also can stop the residual pathogenic bacteria in respirator system to enter the human respiratory tract by medical heat and humidity exchange (HME), cause cross infection.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of medical heat of multi-path and humidity exchange (HME) that contains mutual isolation, and at heat and humidity exchange media outer surface, the resistance Mycoderma is set.
The technical scheme that this utility model adopts is: a kind of medical heat and humidity exchange comprise base, contain core body, the upper cover of a plurality of paths and are placed in heat and the humidity exchange media of core body; Be characterized in: described base is provided with the first port and the second port, and the cavity that extends between the first port and the second port; Be provided with a plurality of paths in described core body, it is disconnected wherein having two paths at least; In disconnected two paths, be provided with heat and humidity exchange media in one of them path; Do not contain heat and humidity exchange media in another path; The outer surface of heat and humidity exchange media is provided with the resistance Mycoderma; Be sealed and matched between described upper cover, core body and base three, except first port and the second port of base, described medical heat no longer is provided with other and the outside gas passage that is communicated with humidity exchange.Described the first port is connected with the respiratory system of human body, described the second port is connected with armarium such as respirators, be provided with the core body that contains multi-path in the closed cavity that extends between the first port and the second port, change by the relative position between core body and base, can open different gas passages, be provided with heat and humidity exchange media in one of them gas passage, another one is not provided with any medium in disconnected gas passage with it; Be characterized in, in normal during mechanical ventilation, open the gas passage of containing heat and humidity exchange media, gas is by entering the human respiratory tract again after heat and humidity exchange media.In the time need to injecting the medicine of atomizing to patient, change the relative position of core body and base, open the gas passage of not containing any medium, carry out infusion of medicine, medicine can enter into the human respiratory tract smoothly, can not adsorbed by other materials.Simultaneously, be provided with the resistance Mycoderma at the outer surface of heat and humidity exchange media, can stop pathogenic bacteria by the heat switch that wets.
After adopting technique scheme, the patient by changing the hot core body of switch and the relative position between base of wetting, just can inject the medicine of atomizing very easily in accepting during mechanical ventilation.Do not need to remove the wet switch of heat, medicine can be by heat and the absorption of humidity exchange media yet; Simultaneously, be provided with the resistance Mycoderma at the outer surface of heat and humidity exchange media, can stop pathogenic bacteria to enter into an other side by the heat exchange media that wets.This utility model is simple in structure, and is easy to use, is suitable for the medical treatment and nursing processes such as clinical Intensive Care Therapy or anesthesia and uses.
Description of drawings
Fig. 1 is according to the medical heat of this utility model one embodiment and the schematic appearance of humidity exchange;
Fig. 2 is according to the medical heat of this utility model one embodiment and the top view of humidity exchange.
Fig. 3 is according to the medical heat of this utility model one embodiment and the structural representation of humidity exchange.
Fig. 4 is the profile under aeration status according to the medical heat of this utility model one embodiment and humidity exchange.
Fig. 5 is the profile under the dosing state according to the medical heat of this utility model one embodiment and humidity exchange.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is made and being further illustrated.
With reference to figure 1 and Fig. 2.Comprise base 1, contain the core body 2 of multi-path, hot wet exchange media 3 and upper cover 4 according to medical heat and the humidity exchange of this utility model one embodiment.Wherein, base 1 is provided with the first port 111 and the second port one 12.The outer surface of core body 2 is provided with anti-skidding dentation.The upper surface of upper cover 4 is provided with the labelling 41 of indication gas communication direction.
As shown in Figure 3, be provided with base body 11, core body draw-in groove 12 and sealing ring 13 according to the medical heat of this utility model one embodiment and the base 1 of humidity exchange, base body 11 is provided with again the first port 111, the second port one 12 and core body container cavity 113.Core body 2 is placed in core body container cavity 113.Core body 2 is provided with core body main body 21 and the wet exchange media ring for fixing 22 of heat, and wherein core body main body 21 is provided with the wet exchange media container cavity 213 of the first path 211, alternate path 212 and heat.The wet exchange media 3 of heat is arranged in the wet exchange media container cavity 213 of heat on core body main body 21.The wet exchange media 3 of heat is divided into again two parts, and a part is the wet exchange media body 31 of heat, and another part is resistance Mycoderma 32.
As shown in Figure 4, when the patient carries out mechanical ventilation, rotary core main body 21, alternate path 212 is communicated with the first port 111 and the second port one 12 on base body 11, the gas of respirator system supply enters into the wet exchange media 3 of heat by the below outlet of alternate path 212, by the heat exchange media body 31 that wets, then by resistance Mycoderma 32.During Mycoderma 32, pathogenic bacteria and other microgranules are blocked on airintake direction one side of resistance Mycoderma to gas by resistance, and clean gas could be by the heat exchange media 3 that wets, and the moisture in gas and heat are attracted in the hot exchange media body 31 that wets.By the heat exchange media body 3 that wets, gas enters into the below outlet of alternate path 212, then enters into another port of base body 11, then enters into the human respiratory tract.
In venting process next time, the gas of respirator system supply enters into heat and the humidity exchange media body 31 of the wet switch of heat, once the humidity and temperature of preserving in heat and humidity exchange media body 31 is delivered in gas, after changing the temperature and humidity of this gas, then enter in the human respiratory tract.
As shown in Figure 5, when needing to add the medicine of atomizing in during mechanical ventilation as the patient, the first port 111 and the second port one 12 that the first path 211 in the main body 21 of multi-path core body is communicated with on base body 11, the three forms a path that does not contain the wet exchange media of heat, makes medicine be injected into the patient respiration road by this gas circuit smoothly.
Arrow in Fig. 4 and Fig. 5 represents the flow direction of gas.
This utility model is simple in structure, can guarantee that the safe and simple atomization medicine that carries out under the mechanical ventilation state injects, and in the time of the preference temperature of maintenance human body suction gas and humidity, can also stop pathogenic bacteria to enter into the human respiratory tract.Thereby significantly reduced the probability of sufferer generation malpractice in the during mechanical ventilation.
Claims (5)
1. a medical heat and humidity exchange comprise base, contain core body, the upper cover of a plurality of paths and are placed in heat and the humidity exchange media of core body; Be characterized in: described base is provided with the first port and the second port, and the cavity that extends between the first port and the second port; Be provided with a plurality of paths in described core body, it is disconnected wherein having two paths at least; In disconnected two paths, be provided with heat and humidity exchange media in one of them path; Do not contain heat and humidity exchange media in another path; The outer surface of heat and humidity exchange media is provided with the resistance Mycoderma.
2. medical heat as claimed in claim 1 and humidity exchange, is characterized in that, described core body can be arranged on described base in the cavity between the first port and the second port.
3. the inner disconnected path of core body as claimed in claim 1, is characterized in that, is provided with heat and humidity exchange media in one of them path, is not provided with any filler in another path.
4. medical heat as claimed in claim 1 and humidity exchange, is characterized in that, the outer surface of described upper cover is provided with the labelling that the indication gas circuit opens and closes.
5. medical heat as claimed in claim 1 and humidity exchange, it is characterized in that, be sealed and matched between described upper cover, core body and base three, except first port and the second port of base, described medical heat no longer is provided with other and the outside gas passage that is communicated with humidity exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220480158.XU CN202920748U (en) | 2012-09-20 | 2012-09-20 | Multi-path medical heat-humidity exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220480158.XU CN202920748U (en) | 2012-09-20 | 2012-09-20 | Multi-path medical heat-humidity exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202920748U true CN202920748U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220480158.XU Expired - Lifetime CN202920748U (en) | 2012-09-20 | 2012-09-20 | Multi-path medical heat-humidity exchange device |
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| Country | Link |
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| CN (1) | CN202920748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103656828A (en) * | 2012-09-20 | 2014-03-26 | 昆山韦睿医疗科技有限公司 | Multi-channel medical heat and humidity exchanging device |
-
2012
- 2012-09-20 CN CN201220480158.XU patent/CN202920748U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103656828A (en) * | 2012-09-20 | 2014-03-26 | 昆山韦睿医疗科技有限公司 | Multi-channel medical heat and humidity exchanging device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
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| CX01 | Expiry of patent term |