CN105206130A - Airbag clearing teaching model and using method thereof - Google Patents
Airbag clearing teaching model and using method thereof Download PDFInfo
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- CN105206130A CN105206130A CN201510662587.7A CN201510662587A CN105206130A CN 105206130 A CN105206130 A CN 105206130A CN 201510662587 A CN201510662587 A CN 201510662587A CN 105206130 A CN105206130 A CN 105206130A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/30—Anatomical models
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Abstract
The invention relates to an airbag clearing teaching model and a using method thereof. The airbag clearing teaching model comprises a lung simulation part, a trachea simulation part, an oropharynx simulation part, a trachea cannula with hypolarynx suction, and a filter. The oropharynx simulation part, the trachea simulation part, the filter and the lung simulation part are sequentially connected to form a simulation respiratory tract. The trachea cannula comprises a main guide trachea, an airbag, an airbag inflating tube and a hypolarynx suction tube. The trachea cannula penetrates through the oropharynx simulation part and is inserted into the trachea simulation part completely. The main guide trachea always extends to be close to the filter. The airbag is located outside the portion, close to one end of the filter, of the main guide trachea, and air is injected into the airbag to block an air path to prevent air leakage. The airbag inflating tube is communicated with the airbag and used for inflating or deflating the airbag. The outlet end of the hypolarynx suction tube is located in the trachea simulation part and used for injecting retentate simulation liquid into the portion, above the airbag, in the trachea simulation part. The filter is used for preventing the simulation liquid from directly flowing into the lung simulation part and causing contamination.
Description
Technical field
The present invention relates to a kind of medical educational utensil and using method thereof, particularly relate to clear air bag teaching mode and using method thereof that one can be used for simulating " method that the impact air-flow adopting bag respirator assisted ventilation to produce removes retentate above air bag ".
Background technology
The critical patient of acute and chronic respiratory failure often needs to carry out trachea cannula to set up artificial airway, keeps airway patency.After trachea cannula, swallowing of patient is limited, causes the secretion in oral cavity and GER thing to flow into lower respiratory tract by glottis, pollutes, and can stop that above air bag, retentate flows into lower respiratory tract after the airbag aeration of artificial airway; Because air bag can slowly leak gas, retentate finally can flow into lower respiratory tract and cause VAP (VentilatorAssociatedPneumonia, Ventilator Associated Pneumonia).
In order to solve the problem, clinically, applicants have invented a kind of without the need to special artificial airway, but adopt bag respirator assisted ventilation, thus produce the method that impact air-flow removes retentate above air bag.The party's ratio juris is: when air bag is inflated completely, and the ventilation of patient can only be completed by conduit.If exitted completely by air bag, the air-flow of patient expiration except breathing out in conduit, and can also breathe out from surrounding catheter, the retentate now accumulated in above air bag can be gone out by the air-flow of breathing out in oral cavity; But due to these secretion comparatively thickness, the expiratory gas flow of cheyne-stokes respiration is not enough to all secretion to go out completely, merocrine secretion thing may cause patient to choke coughing even infecting downstream to air flue; Therefore, while patient expiration starts, give one larger secondary air by conduit, two strands of air-flows rush common one outside interflow of formation mutually, increase exhaled air flow flow, thus rush retentate above air bag in oral cavity completely.Now in oral cavity, secretion is exhausted with sputum aspirator tube, thus prevent retentate inflow lower respiratory tract from causing VAP.
At present, also not used for the relevant teaching mode of professor's this kind of method, clinical worker cannot accept training and carry out relevant exercise, cause the unskilled technique of clinical worker, due to misoperation, retentate can be made on the contrary to flow into lower respiratory tract, increase the risk that VAP occurs.Therefore, need now corresponding teaching mode badly and carry out clinic, operate with specification technique.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of special clear air bag teaching mode and using method thereof, this model comprises simulation oropharynx, simulation air flue containing trachea cannula and lung, and the simulation retentate above aerocyst of artificial airway; Clinical worker uses and adopts bag respirator assisted ventilation, thus produce the method that impact air-flow removes retentate above air bag, the retentate of air flue being impacted simulation oropharynx place, checking clinical worker to the skill level of this operative skill by measuring the retentate amount cleared out.If misoperation, retentate may flow into simulated lung, therefore simulating air flue and being connected a filtrator between simulated lung, pollutes in case retentate flows directly into simulated lung.Filtrator is disposable, if filtrator variable color, changes, and also points out clinical worker greenly to grasp technique, needs to strengthen exercise.The application of the invention, makes clinical worker be familiar with and grasps the method that the impact air-flow adopting bag respirator assisted ventilation to produce removes Subglottic secretion, gives the air flue protection of patient's more specification, reduces the risk that VAP occurs.
For achieving the above object, the present invention takes following technical scheme: a kind of clear air bag teaching mode, and it is characterized in that, this model comprises a lung simulation part, a tracheae simulation part, an oropharynx simulation part, the trachea cannula attracted under a band glottis and a filtrator; Described oropharynx simulation part, tracheae simulation part, filtrator and lung simulation part connect to form simulated respiration road successively; Described trachea cannula comprises suction tube under main gas tube, air bag, airbag inflation pipe and glottis, and described main gas tube endpiece is plugged in described tracheae simulation part through after described oropharynx simulation part, and extends to close to described filtrator always; Described air bag is arranged on the described main gas tube outer wall of described main gas tube endpiece, and blocks described tracheae simulation part after inflation; Described airbag inflation pipe and described airbags lead to, for giving described airbag aeration and venting; Under described glottis, the entrance point of suction tube is positioned at outside described tracheae simulation part, but endpiece is positioned at described tracheae simulation part and is no more than described air bag; Under described glottis, suction tube is used in described tracheae simulation part, inject retentate model fluid above described air bag, and described filtrator pollutes in order to prevent described model fluid from flowing directly into described lung simulation part.
Described lung simulation part is sealing bag, and described tracheae simulation part is plastic long tube, and described oropharynx simulation part collects reservoir vessel, and described plastic long tube one end is connected with described sealing bag by described filtrator, and the other end is connected with described collection reservoir vessel.
Also comprise a retentate gathering-device, described retentate gathering-device is a drainage tube, a draining hole is also provided with bottom described oropharynx simulation part, described drainage tube is connected with described oropharynx simulation part by described draining hole, and described drainage tube is for collecting the described model fluid be rushed out in described oropharynx simulation part; Described drainage wall is provided with scale, the volume of the described model fluid that energy metering drainage goes out; Described draft tube bottom is provided with the small cap that can open, and turning on described small cap can discharge the described model fluid in described drainage tube.
Described filtrator is disposable, and it has water absorptivity and variable color after running into described model fluid, and the filtrator more renewed after described filtrator variable color.
Described model fluid is the methylene blue solution of dilution.
Described clear air bag teaching mode also comprises model head and support, and described model head is used for fixing described simulated respiration road, and described support is for supporting described model head.
A using method for clear air bag teaching mode, it comprises the following steps:
1) oropharynx simulation part, tracheae simulation part, filtrator and lung simulation part are connected to form simulated respiration road successively, trachea cannula inserts in simulation respiratory tract by oropharynx simulation part, the endpiece of main gas tube is close to the filtrator bottom tracheae simulation part, make airbag aeration by airbag inflation pipe, thus simulate the situation in trachea cannula insertion patients with respiratory tract;
2) by suction tube under glottis in tracheae simulation part, inject model fluid above air bag, with simulated respiration road endocrine, due to airbag aeration, now model fluid is trapped in above air bag becomes retentate;
3) with the ventilation of bag respirator secondary analog respiratory tract, firmly extruding bag respirator of exhaling at air-breathing end just produces the impact air-flow of high flow rate, makes air bag deflation, at end of supplying gas by airbag aeration by airbag inflation pipe simultaneously; Now, the model fluid be trapped in above air bag is impacted in import pharynx simulation part by impact air-flow;
4) if method of operating is correct, the simulated solution cognition be trapped in above air bag is successfully impacted to enter in oropharynx simulation part, and flow in drainage tube by conduction hole, by the model fluid volume that the scale measurement on drainage tube drains, check clinical worker to the skill level of this operative skill by measuring the retentate amount cleared out; Now, discharge the model fluid in drainage tube, continue next step; If method of operating is incorrect, model fluid can be caused can not to be impacted in oropharynx simulation part, airbag aeration is excessively late, and simulated solution cognition flows in the filtrator of main gas tube endpiece, makes filtrator variable color, prompting clinical worker greenly grasps technique, need to strengthen exercise, now, change the filtrator of variable color, discharge the model fluid in drainage tube, continue next step;
5) step 2 is repeated) to step 4), the impact air-flow next time adopting bag respirator assisted ventilation to produce removes the method training of Subglottic secretion, until clinical worker is familiar with and is grasped this operation.
The present invention is owing to taking above technical scheme; it has the following advantages: 1, clear air bag teaching mode of the present invention; structure is simple; easy to operate; clinical worker can be trained to be familiar with and to grasp the method that the impact air-flow adopting bag respirator assisted ventilation to produce removes Subglottic secretion; give patient more specification air flue protection, reduce VAP occur risk.2, filtrator replaceable of the present invention, medical worker's misoperation of undergoing training causes the continuation not affecting this clear air bag teaching mode during filtrator variable color to use, reasonable in design, practical.3, the device of additional collection retentate of the present invention, can carry out clearing amount statistics.
Accompanying drawing explanation
Fig. 1 is the structural representation of clear air bag teaching mode of the present invention;
Fig. 2 is the structure for amplifying schematic diagram in A portion in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment 1: the structure of clear air bag teaching mode
Fig. 1 illustrates the clear air bag teaching mode provided according to the embodiment of the present invention 1, it comprises a sealing bag 1 for simulated patient lung, a plastic long tube 2 for simulated patient tracheae, and a collection reservoir vessel 3 for simulated patient oral cavity and throat.Wherein, sealing bag 1 is storage oxygen bag, has gas storage effect.Plastic long tube 2 one end is connected with sealing bag 1 by a filtrator 5, and the other end is then connected with collection reservoir vessel 3, collects reservoir vessel 3, plastic long tube 2 and sealing bag 1 and together constitutes complete simulated respiration road.
The trachea cannula 4 that the clear air bag teaching mode that the embodiment of the present invention 1 provides attracts under also comprising a band glottis, this trachea cannula 4 comprises suction tube 44 under main gas tube 41, air bag 42, airbag inflation pipe 43 and glottis, the endpiece of main gas tube 41 is plugged in plastic long tube 2 through collecting reservoir vessel 3 filtrator 5 also always extended to bottom close to plastic long tube 2, and the contact site sealing of main gas tube 41 and collection reservoir vessel 3.Air bag 42 is arranged on main gas tube 41 outer wall of main gas tube 41 endpiece, and air bag 42 gas injection can block plastic long tube 2 with anti-gas-leak after expanding.Airbag inflation pipe 43 is connected with air bag 42, inflates for giving air bag 42 and exits.Under glottis, the entrance point of suction tube 44 is positioned at outside plastic long tube 2, and its endpiece is positioned at plastic long tube 2 and is no more than air bag 42, for injecting retentate model fluid in plastic long tube 2, above air bag 42.Filtrator 5 has very strong water absorptivity, can prevent model fluid from entering in sealing bag 1 and pollute.
In a preferred embodiment, above-mentioned trachea cannula 4 can select 7.5# specification.
In a preferred embodiment, above-mentioned model fluid can select the methylene blue solution diluted, and its composition can add the methylene blue of 1ml for the physiological saline of every 9ml.
In a preferred embodiment, this clear air bag teaching mode can also comprise the model head 7 and support 8 that adopt transparent plastic to make, model head 7 is for the fixing simulated respiration road be made up of collection reservoir vessel 3, plastic long tube 2 and sealing bag 1, and support 8 is for bolster model head 7.
Embodiment 2: the use of filtrator
The filtrator 5 of the present embodiment can use disconnectable disposable filter, and filtrator 5 can variable color after running into model fluid.Grasp when clinical worker greenly and adopt bag respirator assisted ventilation, thus when producing the method for retentate above impact air-flow removing air bag, due to misoperation, retentate may be caused to flow through air bag 42 and flow to filtrator 5, thus make filtrator 5 variable color, clinical worker greenly can be pointed out like this to grasp technique, need to strengthen exercise.When then not continuing to use after filtrator 5 variable color again, now only need directly filtrator 5 to be changed, the impact air-flow that can next time adopt bag respirator assisted ventilation to produce removes the method training of Subglottic secretion, and the repetitive cycling not affecting clear air bag teaching mode uses.
Embodiment 3: retentate gathering-device
As shown in Figure 2, the clear air bag teaching mode that the present embodiment provides can also comprise a retentate gathering-device be connected with collection reservoir vessel 3, this retentate gathering-device can be a drainage tube 6, and collect bottom reservoir vessel 3 and be also provided with a draining hole 31, this drainage tube 6 is connected with collection reservoir vessel 3 by draining hole 31, and drainage tube 6 is successfully impacted for collecting the model fluid entering and collect in reservoir vessel 3.Meanwhile, drainage tube 6 wall being provided with scale, the model fluid volume drained can be measured, clinical worker can be checked the skill level of this clear balloon manipulation technical ability by measuring the retentate amount cleared out.Also be provided with openable small cap 61 bottom drainage tube 6, turning on small cap 61 can discharge the model fluid in drainage tube 6, does not affect the carrying out that the impact air-flow next time adopting bag respirator assisted ventilation to produce removes the method training of Subglottic secretion.
Embodiment 4: use the clear air bag teaching mode of embodiment 1 ~ 3 to carry out teaching demonstration
The clear air bag teaching mode of the present invention adopts bag respirator assisting patients ventilation for training clinical worker to be familiar with and grasping; the impact air-flow produced is utilized to remove the method for retentate above air bag; with give patient more specification air flue protection, reduce VAP occur risk.The using method of clear air bag teaching mode comprises the following steps:
1) sealing bag 1, filtrator 5, plastic long tube 2 are connected successively with collection reservoir vessel 3, form complete simulated respiration road, namely trachea cannula 4 is collected reservoir vessel 3 open top by Mouthsimulator throat and is inserted in simulation respiratory tract, main gas tube 41 endpiece is close to the filtrator 5 bottom plastic long tube 2, by airbag inflation pipe 43, air bag 42 is inflated, thus simulate trachea cannula 4 and insert situation in patients with respiratory tract.
2) inject model fluid by suction tube under glottis 44 in plastic long tube 2, above air bag 42, with simulated respiration road endocrine, because air bag 42 is inflated, now model fluid is trapped in above air bag 42 and forms retentate.
3) medical worker ventilates with bag respirator secondary analog respiratory tract, and exhale at air-breathing end and just firmly extrude the impact air-flow that bag respirator produces high flow rate, by airbag inflation pipe 43, air bag 42 is exitted simultaneously, supplying gas, air bag 42 is inflated by end; Now, the model fluid above air bag 42 is impacted in collection reservoir vessel 3 by impact air-flow, owing to collecting the contact site sealing of reservoir vessel 3 and main gas tube 41, therefore can prevent model fluid from spilling from collection reservoir vessel 3.
4) if method of operating is correct, the simulated solution cognition be trapped in above air bag 42 is successfully impacted to enter collects in reservoir vessel 3, and flow in drainage tube 6 by conduction hole, the model fluid volume drained can being measured by the scale on drainage tube 6, checking clinical worker to the skill level of this operative skill by measuring the retentate amount cleared out; Now, discharge the model fluid in drainage tube 6, continue next step.If method of operating is incorrect, model fluid can be caused not impacted and to collect in reservoir vessel 3, evening inflated by air bag 42, simulated solution cognition flows in the filtrator 5 of main gas tube 41 endpiece, make filtrator 5 variable color, prompting clinical worker greenly grasps technique, needs to strengthen exercise; Now, change the filtrator 5 of variable color, discharge the model fluid in drainage tube 6, continue next step.
5) step 2 is repeated) to step 4), the impact air-flow next time adopting bag respirator assisted ventilation to produce removes the method training of Subglottic secretion; Until clinical worker is familiar with and is grasped this operation, thus give the air flue protection of patient's more specification, effectively reduce the risk that VAP occurs.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. a clear air bag teaching mode, is characterized in that, this model comprises a lung simulation part, a tracheae simulation part, an oropharynx simulation part, the trachea cannula attracted under a band glottis and a filtrator; Described oropharynx simulation part, tracheae simulation part, filtrator and lung simulation part connect to form simulated respiration road successively;
Described trachea cannula comprises suction tube under main gas tube, air bag, airbag inflation pipe and glottis, and described main gas tube endpiece is plugged in described tracheae simulation part through after described oropharynx simulation part, and extends to close to described filtrator always; Described air bag is arranged on the described main gas tube outer wall of described main gas tube endpiece, and blocks described tracheae simulation part after inflation; Described airbag inflation pipe and described airbags lead to, for giving described airbag aeration and venting; Under described glottis, the entrance point of suction tube is positioned at outside described tracheae simulation part, but endpiece is positioned at described tracheae simulation part and is no more than described air bag; Under described glottis, suction tube is used in described tracheae simulation part, inject retentate model fluid above described air bag, and described filtrator pollutes in order to prevent described model fluid from flowing directly into described lung simulation part.
2. a kind of clear air bag teaching mode as claimed in claim 1, it is characterized in that, described lung simulation part is sealing bag, described tracheae simulation part is plastic long tube, described oropharynx simulation part collects reservoir vessel, described plastic long tube one end is connected with described sealing bag by described filtrator, and the other end is connected with described collection reservoir vessel.
3. a kind of clear air bag teaching mode as claimed in claim 1, it is characterized in that, also comprise a retentate gathering-device, described retentate gathering-device is a drainage tube, a draining hole is also provided with bottom described oropharynx simulation part, described drainage tube is connected with described oropharynx simulation part by described draining hole, and described drainage tube is for collecting the described model fluid be rushed out in described oropharynx simulation part; Described drainage wall is provided with scale, the volume of the described model fluid that energy metering drainage goes out; Described draft tube bottom is provided with the small cap that can open, and turning on described small cap can discharge the described model fluid in described drainage tube.
4. a kind of clear air bag teaching mode as claimed in claim 2, it is characterized in that, also comprise a retentate gathering-device, described retentate gathering-device is a drainage tube, a draining hole is also provided with bottom described oropharynx simulation part, described drainage tube is connected with described oropharynx simulation part by described draining hole, and described drainage tube is for collecting the described model fluid be rushed out in described oropharynx simulation part; Described drainage wall is provided with scale, the volume of the described model fluid that energy metering drainage goes out; Described draft tube bottom is provided with the small cap that can open, and turning on described small cap can discharge the described model fluid in described drainage tube.
5. the clear air bag teaching mode of one as claimed in claim 1 or 2 or 3 or 4, it is characterized in that, described filtrator is disposable, and it has water absorptivity and variable color after running into described model fluid, and the filtrator more renewed after described filtrator variable color.
6. the clear air bag teaching mode of one as claimed in claim 1 or 2 or 3 or 4, is characterized in that, described model fluid is the methylene blue solution of dilution.
7. the clear air bag teaching mode of one as claimed in claim 1 or 2 or 3 or 4, it is characterized in that, described clear air bag teaching mode also comprises model head and support, and described model head is used for fixing described simulated respiration road, and described support is for supporting described model head.
8. a kind of clear air bag teaching mode as claimed in claim 5, it is characterized in that, described clear air bag teaching mode also comprises model head and support, and described model head is used for fixing described simulated respiration road, and described support is for supporting described model head.
9. a kind of clear air bag teaching mode as claimed in claim 6, it is characterized in that, described clear air bag teaching mode also comprises model head and support, and described model head is used for fixing described simulated respiration road, and described support is for supporting described model head.
10. the using method of clear air bag teaching mode according to any one of claim 1 to 9, it comprises the following steps:
1) oropharynx simulation part, tracheae simulation part, filtrator and lung simulation part are connected to form simulated respiration road successively, trachea cannula inserts in simulation respiratory tract by oropharynx simulation part, the endpiece of main gas tube is close to the filtrator bottom tracheae simulation part, make airbag aeration by airbag inflation pipe, thus simulate the situation in trachea cannula insertion patients with respiratory tract;
2) by suction tube under glottis in tracheae simulation part, inject model fluid above air bag, with simulated respiration road endocrine, due to airbag aeration, now model fluid is trapped in above air bag becomes retentate;
3) with the ventilation of bag respirator secondary analog respiratory tract, firmly extruding bag respirator of exhaling at air-breathing end just produces the impact air-flow of high flow rate, makes air bag deflation, at end of supplying gas by airbag aeration by airbag inflation pipe simultaneously; Now, the model fluid be trapped in above air bag is impacted in import pharynx simulation part by impact air-flow;
4) if method of operating is correct, the simulated solution cognition be trapped in above air bag is successfully impacted to enter in oropharynx simulation part, and flow in drainage tube by conduction hole, by the model fluid volume that the scale measurement on drainage tube drains, check clinical worker to the skill level of this operative skill by measuring the retentate amount cleared out; Now, discharge the model fluid in drainage tube, continue next step; If method of operating is incorrect, model fluid can be caused can not to be impacted in oropharynx simulation part, airbag aeration is excessively late, and simulated solution cognition flows in the filtrator of main gas tube endpiece, makes filtrator variable color, prompting clinical worker greenly grasps technique, need to strengthen exercise, now, change the filtrator of variable color, discharge the model fluid in drainage tube, continue next step;
5) step 2 is repeated) to step 4), the impact air-flow next time adopting bag respirator assisted ventilation to produce removes the method training of Subglottic secretion, until clinical worker is familiar with and is grasped this operation.
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| CN201510662587.7A CN105206130A (en) | 2015-10-14 | 2015-10-14 | Airbag clearing teaching model and using method thereof |
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| CN201510662587.7A CN105206130A (en) | 2015-10-14 | 2015-10-14 | Airbag clearing teaching model and using method thereof |
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Application publication date: 20151230 |