CN101394886B - Endotracheal tube and the intubation system including it - Google Patents

Endotracheal tube and the intubation system including it Download PDF

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Publication number
CN101394886B
CN101394886B CN200680052386.4A CN200680052386A CN101394886B CN 101394886 B CN101394886 B CN 101394886B CN 200680052386 A CN200680052386 A CN 200680052386A CN 101394886 B CN101394886 B CN 101394886B
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endotracheal tube
chamber
suction
tube
subglottal region
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CN101394886A (en
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S·艾弗拉蒂
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Hospitech Respiration Ltd
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Hospitech Respiration Ltd
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Priority claimed from PCT/IL2006/001401 external-priority patent/WO2007066332A2/en
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Abstract

The invention discloses the endotracheal tube (20) for Patients with Mechanical Ventilation.Described endotracheal tube includes for inserting patients with respiratory tract (2), passes sequentially through vocal cords (3) and subglottal region (4), and enters the far-end (20a) of patient lungs (5);With the near-end (20b) for being connected with mechanical ventilating machine (6).Described endotracheal tube is additionally included in endotracheal tube far-end the air bag (22) being positioned under vocal cords in patient's subglottal region, for the inflatable chamber (23) for described airbag aeration, and there is the suction chamber of the suction inlet starting from endotracheal tube outer surface and being positioned at subglottal region, for discharging secretions and/or flushing liquor from subglottal region during for Patients with Mechanical Ventilation.Endotracheal tube far-end forms the outer surface structure effectively preventing air bag or patient airway's mucosal tissue from blocking suction inlet under suction chamber condition of negative pressure.

Description

Endotracheal tube and the intubation system including it
Invention field and background of invention
The present invention relates to for the endotracheal tube for Patients with Mechanical Ventilation, also relate to include that intubating of this type of conduit is System.
In the therapeutic treatment to the patient that help breathed by needs, it usually needs by mouth or nose, endotracheal tube is inserted trouble The tracheal strips of person, simultaneously need to force air through described conduit by described conduit and periodicity to enter the expiration machine phase of pulmonary Even.The inner of described conduit or far-end are typically provided with inflatable air bag, and inflation makes it contact with inner surface of trachea.
But, during using this type of endotracheal tube, gradually pass through between tracheal strips surface and gasbag outer surface Body secretes thing causes the appearance of problem.Need to discharge the secretions accumulated in subglottal region above to prevent commonly referred to as Make the ventilator associated lung infection of VAP or study in patients with ventilator associated pneumonia.Past to by regulation gasbag pressure and/or by from Between trachea, suctioning secretions overcomes these problems to be attempted.Discharge secretions by suction typically to need Subglottal region is inserted by having the exterior chamber being positioned at the suction inlet above pressure bladder.Another kind is chosen as using The integrally formed suction chamber of endotracheal tube tube wall.In both cases, suction chamber is connected with negative pressure source, thus draws out infraglottic region Secretions in territory.
But, suction chamber easily blocks, especially during long-term intubation.To passing through to rinse between continuous sucking to take out Inhale passage to prevent from or reduce the blocking of this type of suction chamber being attempted.But, this type of trial is the most unsuccessful, so that patient The risk of pulmonary infection increases.
Goal of the invention and summary of the invention
One purpose of the present invention is to provide endotracheal tube and the intubation system with above-mentioned aspect advantage.The present invention is another One purpose is to provide this type of conduit and intubation system, described conduit and intubation system to reduce suction chamber suction inlet port Blocking probability, more effectively discharges secretions and/or flushing liquor from subglottal region during for Patients with Mechanical Ventilation.
During the research present invention has problem to be overcome, it is noted that aspirate during for Patients with Mechanical Ventilation The blocking in chamber is usual is moved to suction inlet under suction chamber condition of negative pressure by a part or patient airway's mucosal tissue of air bag Caused.Thus, it is found that prevent air bag or the blocking suction of patient airway's mucosal tissue by making endotracheal tube far-end be formed effectively The outer surface structure of import, can during for Patients with Mechanical Ventilation more effectively from subglottal region discharge secretions and/ Or flushing liquor, and reduce the risk of blocking suction chamber.
Therefore, one aspect of the present invention provides the endotracheal tube into Patients with Mechanical Ventilation, and described conduit includes for inserting Patients with respiratory tract, sequentially passes through vocal cords and subglottal region, and enters the far-end of patient lungs;With for and mechanical ventilating machine phase Near-end even;At endotracheal tube far-end the air bag in patient's subglottal region under being positioned at vocal cords;For filling for airbag aeration Air cavity;With there is the suction chamber of the suction inlet starting from endotracheal tube outer surface and being positioned at subglottal region, for for Secretions and/or flushing liquor is discharged from subglottal region during Patients with Mechanical Ventilation;It is characterized in that described endotracheal tube Far-end forms the outer surface effectively preventing air bag or patient airway's mucosal tissue from blocking suction inlet under suction chamber condition of negative pressure Structure.
During research the problems referred to above, it is also noted that the negative pressure that suction chamber applies causes between vocal cords and air bag top Produce limited space, and then cause air bag or tissue to bond with pump orifice.Correspondingly find by utilizing outside or embedding Chamber makes subglottal space ventilate, and can more efficiently prevent from air bag or patient airway's mucosa during for Patients with Mechanical Ventilation Tissue and or secretions blocking suction inlet.
According to the further technical characteristic of the following preferred embodiment of the invention, endotracheal tube includes from endotracheal tube Surface starts and is positioned at the venting cavity in patient's subglottal region, is used for making subglottal region communicate to prevent at glottis with air Lower space produces vacuum.
According to the other technologies feature of preferred embodiment some described, the outer surface structure of endotracheal tube includes closing on to be taken out Suction side projecting radially outwardly from endotracheal tube outer surface at suction inlet effectively prevents the grand of this type of blocking of suction inlet Convex.In a described embodiment, protuberantia is integrally formed, described in another as its reinforcement at endotracheal tube tube wall In embodiment, it can be the form of the inflatable part carried by endotracheal tube tube wall.
In described preferred embodiment, interval use venting cavity for ventilation and for analyze in subglottal region from lung The air of portion's seepage, especially CO2
In certain embodiments, build the near-end of suction chamber with suction source or be used for making flushing liquor cycle through glottis The flushing liquor source selectivity in lower region is connected.In this type of embodiment, suction chamber also accordingly acts as rinsing sap cavity.Also describe Other embodiments, but, wherein provide independent suction chamber at endotracheal tube and rinse sap cavity.
Therefore, another aspect of the present invention provides for the endotracheal tube for Patients with Mechanical Ventilation, and described conduit includes: use In inserting patients with respiratory tract, sequentially pass through vocal cords and subglottal region, and enter the far-end of patient lungs, and for leading to machinery The near-end that mechanism of qi is connected;At endotracheal tube far-end the air bag in patient's subglottal region under being positioned at vocal cords;For filling for air bag The inflatable chamber of gas;It is integrally formed at endotracheal tube tube wall and has for discharging from subglottal region during for patient ventilation The suction chamber of the suction inlet of secretions and/or flushing liquor;It is positioned at patient's sound with being integrally formed at endotracheal tube tube wall and have The flushing chamber rinsing outlet that the lower region of door cycles through subglottal region for making flushing liquor, wherein said flushing liquor is by taking out Suction chamber is discharged.
In described preferred embodiment, endotracheal tube is additionally included in endotracheal tube tube wall and is integrally formed and has air and take out The venting cavity of suction side, wherein said venting cavity is used for pumping air into CO2Analyser, or for during suctioning secretions Make subglottal space ventilation to prevent from producing pressurized vacuum conditions at subglottal space.
According to the other technologies feature of this preferred embodiment described, the outer wall of endotracheal tube also includes that at least one is being taken out Inhale chamber and flushing one end, chamber extends from endotracheal tube proximate and is positioned at the groove patient's subglottal region, suction inlet It is positioned in described groove with rinsing outlet, thus in reducing air bag or patient airway, mucosal tissue is stifled under suction chamber condition of negative pressure The probability of plug suction inlet.
The preferably outer wall of endotracheal tube includes two grooves across suction chamber with flushing chamber, exists in each recess and takes out Suction side and flushing liquor outlet.
Following more specifically described, the endotracheal tube that foundation foregoing features builds is during for Patients with Mechanical Ventilation More effectively discharge secretions and/or flushing liquor from subglottal region, and prevent air bag or patient airway's mucosal tissue in suction Suction inlet is blocked under the condition of negative pressure of chamber.
From other technologies feature and the advantage of the clearly visible present invention of following description.
Accompanying drawing is sketched
The present invention is carried out exemplary description, wherein referring to the drawings at this:
Fig. 1 illustrates a kind of form of the prior art intubation system that the present invention relates to;
Fig. 2 is the fragment figure amplified, and it illustrates the endotracheal tube far-end for Fig. 1 system, and especially conduit passes through Subglottal region;
Fig. 3 is the cross-sectional view of Fig. 2 linearly III-III;
Figure 4 and 5 are fragment figure, it illustrates the suction chamber during for Patients with Mechanical Ventilation found the most blocked Thus stop the two kinds of situations discharging secretions from subglottal region;
Fig. 6 show a kind of structure of endotracheal tube of the present invention to prevent from blocking suction chamber,
Fig. 7 is the cross-sectional view of Fig. 6 linearly VII-VII;
Fig. 8 shows the structural change of Fig. 6 endotracheal tube, especially prevents the position of the protuberantia that suction inlet blocks from changing Become;
Fig. 9 shows the further change of endotracheal tube structure, especially prevents the essence of the protuberantia that suction inlet blocks Change;
Figure 10 shows the further change of endotracheal tube structure, and it includes independent suction chamber and rinses sap cavity;
Figure 11 is flow chart, it illustrates the operating process of the intubation system using such as Fig. 7 or 8 endotracheal tubes;
Figure 12 is the sequential chart of operation described in Figure 11 flow chart;
Figure 13 is flow chart, it illustrates and uses Figure 10 to have intubating of the independent suction chamber endotracheal tube with flushing sap cavity The operating process of system;
Figure 14 is the sequential chart of operation described in Figure 13 flow chart;
Figure 15 is front view, it illustrates the another kind of endotracheal tube built according to the present invention;With
Figure 16 is the cross-sectional view of Figure 15 linearly XVI-XVI.
Should be understood that aforementioned figures and main purpose described below are make concept of the present invention and include at present It is considered preferred embodiment to be easier to understand in interior possible embodiment.For the sake of understanding and be simple and clear, except making this area ripe Practice technical staff utilize conventional technical ability and design it will be appreciated that and outside implementing needed for described invention, more details are not provided.Also should When the purpose being understood by described embodiment is only that example, the present invention can be included in other shapes in addition to described herein In formula and application.
DESCRIPTION OF THE PREFERRED
The intubation system of Fig. 1-5
The following preferred embodiment of the invention relates generally to shown in Fig. 1-3 for the intubation system for Patients with Mechanical Ventilation. This system uses the endotracheal tube (being generally designated as 10) with far-end 10a, and described conduit is used for inserting patients with respiratory tract 2, successively By vocal cords 3 and subglottal region 4, and enter patient lungs 5.The near-end 10b of endotracheal tube 10 can with mechanical ventilating machine 6 and Many devices (being hereafter discussed in greater detail it) that control are connected.
As it was previously stated, this type of endotracheal tube generally includes for the main chamber 11 and at distal end of catheter 10a also for patient ventilation It is positioned at the air bag 12 in patient's subglottal region 4 under vocal cords.This type of conduit also includes the inflatable chamber 13 extended by conduit, its profit The air bag inflator 7 being used in catheter proximal end 10b is airbag aeration;Start from endotracheal tube outer surface with having and be positioned at glottis The suction chamber 14 of the import 14a in region 4.Suction chamber 14 is at endotracheal tube near-end 10 and aspirator 8 or the wall being provided with vacuum port It is connected, for discharging secretions from subglottal region during for Patients with Mechanical Ventilation.In the following present invention one enforcement In scheme, subglottal region also irrigates with flushing liquor, and suction chamber 14 will be used for discharging from subglottal region drawing in this case Enter flushing liquor and the secretions of subglottal region.
In some intubation system, the near-end of suction chamber 14 can be connected with aspirator 8 or monitor 9, described monitor 9 For the composition of the air that monitoring is discharged from pulmonary by suction chamber 14, especially CO2Content.The composition of detection exhalation air can For controlling air bag inflation pressure, to reduce seepage, avoid damage to patients with respiratory tract simultaneously.
Hindered as it was previously stated, discharge the secretions blocking often by suction chamber by suction chamber 14, especially inserted long-term During pipe.Find this generally by caused by the blocking of suction inlet 14a, under suction chamber condition of negative pressure, suction inlet 14a Block by air bag 12 (as shown in Figure 4) caused, or as shown in Figure 5 by caused by patient airway's mucosal tissue.
The embodiment of Fig. 6 and 7
Fig. 6 and 7 shows an embodiment of endotracheal tube (being generally designated as 20), is specially it and builds according to the present invention To avoid the far-end 20a of the problems referred to above.Endotracheal tube 20 includes the main chamber 21 of routine, air bag 22 and for filling for airbag aeration Air cavity 23.Its suction chamber 24 also including there is suction inlet 24a starting and being positioned at subglottal region from catheter outer surface, as Described in figure 1 above-3, for discharging secretions and/or flushing liquor from subglottal region during for Patients with Mechanical Ventilation.
According to the present invention, the far-end 20a of endotracheal tube 20 is formed and effectively prevents air bag 22 or patient airway's mucosal tissue from existing The outer surface structure of suction inlet 24a is blocked under suction chamber condition of negative pressure.
In embodiment of the present invention shown in Fig. 6 and 7, the outer surface of endotracheal tube formed close on suction inlet 24a and The protuberantia 25 projected radially outwardly from catheter outer surface at suction inlet, thus in effectively preventing air bag 22 or patients with respiratory tract 2 Tracheal mucosal tissue under suction chamber condition of negative pressure, block suction inlet.
In embodiment of the present invention shown in Fig. 6 and 7, position is integrally formed at endotracheal tube 20 tube wall as its reinforcement Protuberantia between suction inlet 24a and air bag 22.
Preferably protuberantia should have the rounded outer surface projected radially outwardly from suction inlet 24a, to prevent air bag 22 or gas Pipe mucosal tissue blocks this import.
Endotracheal tube shown in Fig. 6 and 7 also includes that a technical characteristic, i.e. venting cavity 26 become with endotracheal tube 20 tube wall entirety Shape also extends therethrough with, so that subglottal region communicates with air.This venting cavity is therefore prevented from subglottal region 4 accumulation The negative pressure of excess so that suction inlet 24a of suction chamber 24 may be blocked by air bag 22 or tracheal mucosal tissue.
As described below, venting cavity 26 can also be used for monitoring composition, the seepage exhalation sky especially discharged from subglottal region CO in gas2, it is similarly to prior art by Fig. 1 suction chamber 14 and CO2The function that monitor 9 is realized.
Fig. 8 embodiment
Fig. 8 shows the far-end 30a of another endotracheal tube 30 built according to the present invention, includes figure 6 above and 7 institutes equally The basic element of character stated, the most main chamber 31, air bag 32, inflatable chamber 33 and there is the suction inlet being positioned at patient's subglottal region The suction chamber 34 of 34a.In this case, the far-end of endotracheal tube is formed and closes on suction inlet 24a but grand at its opposite side Convex 35, thus project radially outwardly from endotracheal tube outer surface at suction inlet, effectively prevent suction inlet from blocking.
Endotracheal tube 30 shown in Fig. 8 is additionally included in duct wall and is integrally formed and has the end being positioned in subglottal region 4 The venting cavity 36 of mouth 36a, to prevent from gathering in this region the negative pressure of excess during as Patients with Mechanical Ventilation.The most more Described in concrete and as described in figure 6 above and 7 venting cavities 26, Fig. 8 venting cavity 36 can also be used for making subglottal region communicate with air Form with analyzing, especially leak into the CO of the air from pulmonary's exhalation in this region2Content, such as to control in air bag 32 Pressure, thus obtain required contact tissue, without damaging surrounding tissue.
Fig. 9 embodiment
Fig. 9 shows the far-end 40a of another endotracheal tube 40 built according to the present invention, and described conduit has figure 8 above Described similar structures.But, in Fig. 9 endotracheal tube 40, protuberantia (being generally designated as 45 at this) is inflatable part or balloon Form, upon inflation, it projects radially outwardly from catheter outer surface at suction inlet, thus effectively prevent suction inlet block up Plug.Inflatable part 45 can be shown blister configuration or another kind of structure, such as loop configuration.
At every other aspect, same way described in figure 8 above builds and uses endotracheal tube 40 shown in Fig. 9.
Figure 10 embodiment
Figure 10 shows the far-end 50a of the endotracheal tube 50 being similar to Fig. 6 and 7 conduits structure, simply Figure 10 endotracheal tube Also include the flushing chamber 57 for rinsing or irrigate subglottal region 4.In this case, rinse chamber 57 to have and infraglottic region Territory communicate preferably in the outlet 57 of the far-end closed at air bag 52.
By so providing the endotracheal tube with the independent flushing chamber 57 separated with suction chamber 54, each chamber can be controlled To maximize its respective function, i.e. by rinsing chamber flushing subglottal region, and taken out from subglottal region by suction chamber Inhale secretions and flushing liquor.When not providing independent flushing chamber, as described in figure 5 above-9, suction chamber is additionally operable to rinse infraglottic region Territory, described in following Figure 11 and 12, it also can be controlled to alternately realize its pumping function and pre-washing function.
At every other aspect, same way described herein above builds endotracheal tube 50 shown in Figure 10, with include main chamber 51, Air bag 52, inflatable chamber 53, there is the suction tube 54 of import 54a, protuberantia 55 and venting cavity 56.
Operation embodiment
Figure 11 flow chart and Figure 12 sequential chart show an operation embodiment of endotracheal tube shown in above-mentioned Fig. 6-8, its In there is no an independent flushing chamber, but suction chamber is additionally operable to rinse.The corresponding flow chart of Figure 13 and 14 and sequential chart show it In provide the corresponding operating of endotracheal tube (as shown in Figure 9) in independent flushing chamber.In two types operating process, interval makes With venting cavity, such as 26,36,46 and 56, it is alternatively used for making subglottal region communicate with air, and for detection from pulmonary's seepage And from the CO of the exhalation air of subglottal region discharge2Content.
Therefore, rinse not providing the situation (Figure 10 and 11) in independent flushing chamber, suction chamber (such as 24) to be additionally operable to, because of This controls it alternately to realize suction and pre-washing function shown in its Figure 10 square 60-68.Also interval uses venting cavity 26, Alternately to realize its ventilatory function and CO2Detection function.Operating in embodiment Figure 11 and 12 Suo Shi, it can be seen that drawing step is accompanied Along with aeration step is to prevent from forming negative pressure.As noted by step 67 in fig. 11, after closing the flush pipe being connected with suction chamber 24, ventilation Chamber (such as 26) is used for promoting detecting step 68 to complete.
Figure 13 and 14 is corresponding flow chart and sequential chart, it illustrates and wherein provides solely as Figure 10 rinses chamber 57 situation The operation of the vertical endotracheal tube rinsing chamber, so that rinsing can be continuous operation, but interval Tong Bu with aeration is taken out Inhale.As shown in Figure 13 square 70-77 and Figure 14 function sequential, but, CO2Detection operation is carried out between vacuuming operation, and with Aeration is to combination.
Figure 15 and 16 embodiments
Figure 15 and 16 shows the endotracheal tube (being generally designated as 80) including all aforementioned cavity, wherein to be led by trachea The passage of tube wall forms described chamber.Therefore, endotracheal tube 80 include main chamber 81, distal end of catheter 81a air bag 82, for For the inflatable chamber 83 of balloon inflation/deflation, for discharging the suction chamber 84 of secretions and/or flushing liquor from subglottal region 4, using In the venting cavity 86 making subglottal region communicate with air and for rinsing or the flushing of infusion liquid introducing subglottal region Chamber 87.
From Figure 16 it can be seen that form suction chamber 84 at endotracheal tube homonymy radially aligned and rinse chamber 87, suction chamber and flushing Chamber is separated by part 88 integrally formed with endotracheal tube tube wall.
From Figure 16 can be additionally seen endotracheal tube outer surface 80 formed a pair horizontal expansion in suction chamber 84 and rinse chamber 87 Groove 85a and 85b of opposite sides.Suction chamber 84 includes two suction inlet 84a and 84b, each in each groove 85a and 85b One;Similarly, rinse chamber 87 and include two outlet 87a and 87b, in each groove 85a and 85b each one, for rinsing Liquid introduces in subglottal region.
It should be appreciated thus that at two groove 85a and 85b opposite end, endotracheal tube 80 outer surface is from two suctions At import 84a and 84b outwardly, thus effectively prevent air bag 82 or patient airway's mucosal tissue under suction chamber condition of negative pressure Block those ports.It is to be further understood that and also form flushing chamber at suction inlet 84a and 84b closing on of groove 85a and 85b Two flushing liquors outlet 87a and 87b of 87, reduce further during for Patients with Mechanical Ventilation, block those imports can Can property.
Endotracheal tube 80 is additionally included in the inflatable chamber 83 opposite side duct wall impenetrable band of integrally formed radio frequency 89。
As an embodiment, shown in Figure 15 and 16, endotracheal tube 80 can be made up of silicon, and internal diameter is 8mm and external diameter is 11.5mm.Shore hardness should maximum.Can increase the external diameter of conduit, but preferably more than 12.5mm.Other preferred sizes are shown in attached Figure.However, it should be understood that other materials, such as polrvinyl chloride can be used, simultaneously can be according to the requirement of any concrete application Change size.
Although describing the present invention with reference to several preferred embodiments, it should be appreciated that illustrate these embodiments Purpose is only that example, the present invention can carry out many other and change, improve and apply.

Claims (18)

1., for the endotracheal tube for Patients with Mechanical Ventilation, described conduit includes for delivering breathing gas into Patients with Lung Interior main chamber, main chamber is by for being connected to the proximal extension of mechanical ventilating machine to the far-end for inserting patients with respiratory tract;
At described endotracheal tube far-end the air bag in patient's subglottal region under will be located in vocal cords;
Inflatable chamber, is used for as described airbag aeration to surround space in subglottal region, and this space is defined in described trachea and leads Described vocal cords are extended between wall and the described respiratory tract of pipe and from described air bag;
Three other chambeies in addition to main chamber and inflatable chamber, it is integrally formed in the tube wall of described endotracheal tube, described In the described tube wall that three other chambeies are configured at around main chamber so that suction chamber and rinse chamber and be positioned at the one of main chamber Side, venting cavity is generally located at the offside of the described side of main chamber;
Wherein said three other chambeies are used for:
I flushing liquor is cycled through the described space in described subglottal region by ();
(ii) during for Patients with Mechanical Ventilation, secretions and/or punching are discharged in the described space in described subglottal region Washing liquid;With
(iii) the described space in subglottal region is made to communicate with air.
2. the endotracheal tube of claim 1, wherein said suction chamber has the suction started from described endotracheal tube outer surface and enters Mouthful, wherein the outer surface structure of endotracheal tube includes closing on described suction inlet and at described suction inlet, from endotracheal tube The protuberantia that outer surface projects radially outwardly, effectively prevents described suction inlet from blocking.
3. the endotracheal tube of claim 2, wherein said protuberantia at described endotracheal tube tube wall as its reinforcement entirety shape Become.
4. the endotracheal tube of claim 2, wherein said protuberantia is the inflatable part being carried on described endotracheal tube tube wall Form.
5. the endotracheal tube of claim 2, wherein said protuberantia is between the suction inlet of described air bag and described suction chamber.
6. the endotracheal tube of claim 2, wherein said protuberantia is positioned at the described suction inlet side towards endotracheal tube near-end.
7. the endotracheal tube of claim 1, wherein builds the near-end of described suction chamber to be connected with suction source selectivity.
8. the endotracheal tube of claim 1, wherein builds described venting cavity to be optionally connected with air or with analytical equipment, This analytical equipment is for analyzing the composition of the air leaking into described space in described subglottal region from pulmonary.
9. the endotracheal tube of claim 2, wherein:
Described suction chamber is integrally formed in described endotracheal tube tube wall;
Described outer surface of tube wall is formed with the groove extending to described endotracheal tube near-end from described suction inlet;
Described suction inlet is formed, so that closing on the trachea of described groove with the described groove at described endotracheal tube outer surface Catheter outer surface projects radially outwardly from described groove, thus prevents described suction inlet from blocking.
10. the endotracheal tube of claim 9, wherein in described endotracheal tube wall outer surface, the opposite sides shape of described suction chamber Becoming two described grooves, described suction chamber has suction inlet in each of said two groove.
The endotracheal tube of 11. claim 10, wherein forms described flushing chamber by endotracheal tube tube wall, rinses chamber and has position The flushing liquor outlet in the described space in subglottal region.
The endotracheal tube of 12. claim 11, wherein with radially aligned close tie up in described endotracheal tube tube wall, said two recessed Described suction chamber and described flushing chamber, suction chamber and flushing chamber is formed by the described integrally formed portion of endotracheal tube tube wall between groove Separate;In each of said two groove, there is the outlet of described flushing liquor with wherein said flushing chamber.
The endotracheal tube of 13. claim 12, wherein said inflatable chamber divides formation by another wall portion of endotracheal tube.
The endotracheal tube of 14. claim 13, wherein said endotracheal tube also with the tube wall part being formed with described inflatable chamber Relative wall portion subpackage impenetrable band Han radio frequency.
The endotracheal tube of 15. claim 13, wherein said venting cavity has the described sky that will be located in patient's subglottal region Ventilation import between, is alternatively used for making the described space in subglottal region to communicate with air, and oozes from pulmonary for providing Leak into the air sample in described space in described subglottal region for analysis.
16. 1 kinds of intubation systems, described system includes:
Endotracheal tube any one of claim 1-15;
The suction source can being connected with described endotracheal tube near-end;
The flushing liquor source can being connected with described endotracheal tube near-end;
With the control device for applying suction with air while described venting cavity near-end is connected.
The intubation system of 17. claim 16, described intubation system also includes and the described venting cavity in described three other chambeies The analytical equipment that is connected of near-end, for analyzing the air leaking into described space in described subglottal region from pulmonary;
Wherein said control device makes described venting cavity near-end be connected with air or described analytical equipment selectivity.
The intubation system of 18. claim 16, wherein said control device is used for making described endotracheal tube near-end and described suction Source or described flushing liquor source selectivity are connected.
CN200680052386.4A 2005-12-05 2006-12-05 Endotracheal tube and the intubation system including it Active CN101394886B (en)

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US60/830,111 2006-07-12
PCT/IL2006/001401 WO2007066332A2 (en) 2005-12-05 2006-12-05 Endotracheal tube and intubation system including same

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EP3827861A1 (en) 2016-02-22 2021-06-02 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Device and method for evaluating state of airway, and ventilator
CN108096676B (en) * 2018-01-31 2023-09-29 重庆医科大学 Gasbag management formula breathing machine

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DE4009468A1 (en) * 1990-03-23 1991-09-26 Dimitrov Pentcho Endo-tracheal tube with guide tube for catheter - has guide tube outlet positioned between two inflatable balloons
US5360414A (en) * 1992-10-08 1994-11-01 Yarger Richard J Tube for draining body cavities, viscera and wounds
CN1535167A (en) * 2001-03-23 2004-10-06 ̩ Method and system for intubation

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