CN104524678A - Lung isolation catheter - Google Patents
Lung isolation catheter Download PDFInfo
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- CN104524678A CN104524678A CN201510031807.6A CN201510031807A CN104524678A CN 104524678 A CN104524678 A CN 104524678A CN 201510031807 A CN201510031807 A CN 201510031807A CN 104524678 A CN104524678 A CN 104524678A
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- endotracheal tube
- catheter
- lung isolation
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Abstract
The invention discloses a lung isolation catheter which comprises a main tracheal catheter, a bronchial catheter, a first opening and second openings, wherein a first air sac is arranged on the outer wall of the main tracheal catheter and connected with a first inflation valve; the bronchial catheter is connected with the lower end of the main tracheal catheter; a second air sac is arranged on the outer wall of the bronchial catheter and connected with a second inflation valve; a sealing member is arranged inside the bronchial catheter and connected to a third inflation valve through a ventilation pressure control device; the first opening is formed in the tail end of the bronchial catheter; the second openings are formed in the wall at the lower end part of the main tracheal catheter and positioned below the first air sac; and at least two second openings are distributed along the peripheral surface of the main tracheal catheter. The lung isolation catheter disclosed by the invention has more excellent ventilation function than that of the currently applied double-lumen tracheal catheter, is operated more safely, conveniently and efficiently and the risk of the existing double-lumen endotracheal intubation can be reduced.
Description
Technical field
The present invention relates to a kind of medical appliance, particularly a kind of lung isolation conduit.
Background technology
Tracheal intubation is the medical disposable material that anesthesia surgery section commonly uses, and particularly must use in thoracic surgery.In operation process, when needs one-lung ventilation, just need to use Dual-channel tracheal cannula, object is the pulmonary ventilation intercepting operative site, make the pulmonary collapse, expand operating field, facilitate operation technique, and offside lung can be ventilated by independent carrying out owing to there being the effect of bronchial balloon, to meet the oxygenate needs of patient with operation.But in use, we find, due to the not same-action of each passage of double lumen tube, make the caliber of tracheal intubation comparatively large, and glottis is usually less, some patients even has one-sided vocal cord paralysis and cannot open, so comparatively rapid wear hurts vocal cords in catheterization procedure.Such as inhaling especially by mistake, clot blocking etc. in emergency circumstances especially because repeated intubation causes the edema of vocal cords, damage, postoperative occur hoarseness even Upper airway obstruction need urgent rescue.
Notification number CN201558393 patent discloses a kind of endotracheal tube, leaves endotracheal tube opening at bronchial catheter and endotracheal tube lower end connected component, achieves the two outlet in single chamber.But to ensure ventilation, avoid patient lungs's anoxia in operation, this catheter opening must have larger area, and this just makes this catheter opening weaken the intensity of endotracheal tube junction, and easy bending damages, for operation is made troubles.On the other hand, at Shi Shushi, patient respiratory makes body bobbing, easily makes endotracheal tube be shifted, if the catheter opening position after displacement is by the tracheal wall shutoff of patient or part shutoff, then can causes hypoventilation, make patient there is the risk of anoxia.
Summary of the invention
In order to overcome the easy bending of existing single radial cut endotracheal tube, and easily there is the not smooth shortcoming of ventilation, the invention provides a kind of single lumen endobronchial tube, two lung isolation and one-lung ventilations can be applied to easily and effectively.
For solving the problems of the technologies described above, the technical solution adopted in the present invention content is specific as follows:
Lung isolation conduit, comprising: supervisor's endotracheal tube, and its outer wall is provided with the first air bag, and this first air bag is connected with the first charge valve; Bronchial catheter, it is connected with described supervisor's endotracheal tube lower end; The outer wall of this bronchial catheter is provided with the second air bag, and this second air bag is connected with the second charge valve; The inside of this bronchial catheter is provided with sealing member; First opening, it is opened in the end of bronchial catheter; Second opening, it is opened in the tube wall place of supervisor endotracheal tube bottom, and is positioned at below the first air bag; The quantity of the second opening is at least two, along all EDS maps of supervisor's endotracheal tube.
Further, described sealing member is cuff seal part; This cuff seal part is connected to the 3rd charge valve by venting pressure control device.
Further, the opening of described endotracheal tube lower end adopts hard material to make.
As preferably, bronchial catheter is 20 ° ~ 50 ° with the angle of supervisor endotracheal tube lower end extended line.
As preferably, the second opening described at least one is shape perforate or irregularly-shaped hole.
As preferably, described second opening is multiple sieve aperture.
As preferably, the quantity of described second opening is two, and symmetrical or asymmetric point along the side face of supervisor's endotracheal tube
As preferably, the quantity of described second opening is three, and along the side face of supervisor's endotracheal tube symmetrical or asymmetric distribution.
As preferably, the quantity of described second opening is four, and along the side face of supervisor's endotracheal tube symmetrical or asymmetric distribution.
As preferably, the quantity of described second opening is five, and along the side face of supervisor's endotracheal tube symmetrical or asymmetric distribution.
As preferably, the quantity of described second opening is more than six even number perforates, and along the side face of supervisor's endotracheal tube symmetrical or asymmetric distribution.
As preferably, the quantity of described second opening is more than seven odd number perforates, and along the side face of supervisor's endotracheal tube symmetrical or asymmetric distribution.
Compared with prior art, the beneficial effect of lung isolation conduit of the present invention is:
1) by arranging sealing member in the bronchus of single chamber, owing to making single chamber, the external diameter of pipe can manufacture less, effectively reduces damage; Can range of application be expanded simultaneously, may be used for the hands art to child; Even if it possesses all functions of double-lumen catheter, overcome double lumen endobronchial tube and be unfavorable for endotracheal intubation and ventilation, and easily cause the shortcoming of Airway damage;
2) operation of single lumen catheter is more flexibly easy, and general doctor also can operate, and is easy to apply;
3) save material cost, significantly can reduce production cost;
4) due in operation process, supervisor's endotracheal tube easily rotates, and by arranging multiple second opening on supervisor's endotracheal tube, avoiding in operation process to be responsible for when endotracheal tube rotates and blocking opening, causing the problem that ventilation is not smooth;
5) multiple opening, the area of each opening can arrange less, and body is bending not easily, improves intubate stability, solves single hole conduit causes the easy bending of catheter tube problem because aperture is large;
6), after the first air bag and the second airbag aeration, form the structure that two ends are protruded, make the position of the second opening unsettled, effectively avoid during operation making catheter displacement because of patient respiratory, avoid the opening of conduit adherent; In addition because open amount is multiple, air flow energy is shunted, reduce gas shock, coordinate the displacement more effectively avoiding conduit with double bolloon;
7) at least two open-types are more conducive to the insertion of strong side sputum aspirator tube, and convenient strong side draught expectorant, the embedding human bronchial tube wall of built-in cuff seal part part, does not affect suction sputum and Full-open ventilatory effect.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of description, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of lung of the present invention isolation conduit;
Fig. 2 is the structural representation of the second embodiment of lung of the present invention isolation conduit;
Fig. 3 is the structural representation of the third embodiment of lung of the present invention isolation conduit;
Fig. 4 is the structural representation of the 4th kind of embodiment of lung of the present invention isolation conduit;
Fig. 5 is the structural representation of the 5th kind of embodiment of lung of the present invention isolation conduit;
Fig. 6 is the structural representation of the 6th kind of embodiment of lung of the present invention isolation conduit;
Fig. 7 is the cuff seal part work process schematic diagram of lung of the present invention isolation conduit.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the specific embodiment of the present invention, structure, feature and effect thereof, be described in detail as follows:
As shown in Figure 1, lung isolation conduit 1, comprise supervisor's endotracheal tube 2 and bronchial catheter 3, supervisor's endotracheal tube 2 outer wall is provided with the first air bag 6, this first air bag 6 is connected with the first charge valve 61, bronchial catheter 3 is connected with supervisor endotracheal tube 2 lower end, and this bronchial catheter 3 outer wall is provided with the second air bag 5, and this second air bag 5 is connected with the second charge valve 51.This bronchial catheter 4 inside is also provided with sealing member, and preferably, stating sealing member is a cuff sealing member 4, and this cuff seal part 4 is connected to the 3rd charge valve 41 by venting pressure control device 42; Venting pressure control device 42 controls the air pressure be charged into by the 3rd charge valve 41 in cuff seal part 4, thus control cuff seal part 4 changes its size, reaches the object controlling bronchial airways uninterrupted.
The end of bronchial catheter 3 is the first opening 21, as shown in Figure 7, when cuff seal part 4 is full of gas under full pressure state (in Fig. 7 dotted portion), cuff seal part 4 can block bronchial catheter 3 completely (for signal is clear, Fig. 7 mesobronchus conduit 3 only illustrates half section), lung isolation conduit 1 can not from this first opening 21 and bronchial airways.Regulate venting pressure control device 42, size reduction (in Fig. 7 bold portion) after cuff seal part 4 is inflated, leave gap between the inwall of bronchial catheter 3 and cuff seal part 4, the first opening 21 can be ventilated, and uninterrupted affects by the size of cuff seal part 4.
The tube wall place of supervisor endotracheal tube 2 bottom offers the second opening 22, and described second opening 22 is positioned at the first air bag less than 6.In the present embodiment, the quantity of described second opening 22 is five, side face along supervisor's endotracheal tube 2 presents the mal-distribution of plum blossom-shaped, owing to arranging multiple second opening 22 on supervisor's endotracheal tube 2, in operation process, even if supervisor blocks one of them second opening 22 when endotracheal tube 2 rotates, other the second opening 22 also can continue ventilation, avoids the problem causing ventilation not smooth.
Hatch frame also can adopt other modes, and such as the quantity of the second opening 22 is two, and shape is circular, and mal-distribution (as Fig. 2); Or second the quantity of opening 22 add up to nine, shape is oval, and is uniformly distributed (as Fig. 3); Or second the quantity of opening 22 be multiple, shape is irregularly-shaped hole, and uneven distribution (as Fig. 4); Or second the shape of opening 22 be S shape (as Fig. 5); Or second opening 22 realized by the form of multiple sieve aperture; The quantity of the second opening 22 can also be more than six even number perforates (such as 30) or more than seven odd number perforates (such as 15), and along being responsible for side face symmetry or the asymmetric distribution of endotracheal tube.Generally speaking, the shape of the second opening 22, quantity, size can design according to aerodynamic physical principle, and its distribution can be symmetry and unsymmetric form.
Because the second opening 22 being responsible for endotracheal tube 2 lower end is more, the size of each second opening 22 can make less, effectively avoids body bending; For increasing hardness, its corresponding site adopts hard material to make.
Preferably, bronchial catheter 3 is 20 ° ~ 50 ° with the angle of supervisor endotracheal tube 2 lower end extended line.
During operation, the present invention can be used for Bilateral chest surgical cavity, and bronchial catheter 3 inserts left lung main bronchus, the built-in embedding human bronchial tube wall of cuff seal part 4 part, and the first air bag 6, second air bag 5 is inflated, and cuff seal part 4 is not inflated, and can realize two lung and ventilate simultaneously; When cuff seal part 4 partial inflation, (adjustment venting pressure control device 42, makes cuff seal part 4 be in non-fully aeration status) can realize operation side pulmonary ventilation ratio and be respectively 10%, 20%, 50% ventilation, and strong side lung is ventilated completely; Cuff seal part 4 is all inflated, and can realize only to the pulmonary ventilation of strong side.Meanwhile, because the first air bag 6, second air bag 5 is inflated rear as supporting, when can make to perform the operation, multiple second opening 22 all can not be attached to the inner surface of trachea of patient, ensures ventilation further.
Tool of the present invention has the following advantages: (1) adopts in endotracheal tube list chamber and bronchial catheter the sealing member arranging to regulate and control to regulate the ventilation flow rate of bronchial catheter, ensure that operation side lung not exclusively subsides or withers, prevent and treat complex metalwork in operation and secondary acute injury of lung, pulmonary infection; (2) be responsible for the principle that endotracheal tube lower end adopts surrounding porous open, ensure and to ventilate without the need to para-position under general anesthesia intubate state patient.
Its feature overcomes following seven large defects of the double-lumen catheter of current Clinical practice: 1, conduit is thick, scrapes and damages oral cavity, tracheal wall, will fully expose mouth, pharyngeal cavity; 2, easily occur para-position bad, need by the para-position of bronchial microscope intubate; 3, during Body Position Change, easily rotate displacement, impact ventilation, causes life risk; 4, complex manufacturing, cost is high; 5, raw materials consumption is high, is unfavorable for environmental protection; 6, price is high, and medical treatment cost is high; 7, the most important thing is easily to cause the complete lung in operation side to subside or the pulmonary collapse, postoperative increase acute lung injury, complex metalwork, postoperative lung infection etc.; 8 ventilation dead spaces are large, inapplicable children's.The present invention possesses the more excellent ventilatory function than the double-lumen catheter used now, safer, convenient, operate efficiently, and applicable all ages and classes, reduces the risk of existing double lumen tube intubate.
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present invention all belong to the present invention's scope required for protection.
Claims (10)
1. lung isolation conduit, is characterized in that, comprising:
Supervisor's endotracheal tube, its outer wall is provided with the first air bag, and this first air bag is connected with the first charge valve;
Bronchial catheter, it is connected with described supervisor's endotracheal tube lower end; The outer wall of this bronchial catheter is provided with the second air bag, and this second air bag is connected with the second charge valve; The inside of this bronchial catheter is provided with sealing member, the embedding human bronchial tube wall of built-in cuff seal part part, and sealing member is connected to the 3rd charge valve by venting pressure control device;
First opening, it is opened in the end of bronchial catheter;
Second opening, it is opened in the tube wall place of supervisor endotracheal tube bottom, and is positioned at below the first air bag; The quantity of the second opening is at least two, along side face symmetry or the asymmetric distribution of supervisor's endotracheal tube.
2. lung isolation conduit according to claim 1, is characterized in that: described sealing member is cuff seal part; This cuff seal part is connected to the 3rd charge valve by venting pressure control device.
3. lung isolation conduit according to claim 1 and 2, is characterized in that: the opening of described endotracheal tube lower end adopts hard material to make.
4. lung isolation conduit according to claim 1 and 2, is characterized in that: bronchial catheter is 20 ° ~ 50 ° with the angle of supervisor endotracheal tube lower end extended line.
5. lung isolation conduit according to claim 1 and 2, is characterized in that: the second opening described at least one is the perforate of S shape or irregularly-shaped hole.
6. lung isolation conduit according to claim 1 and 2, is characterized in that: described second opening is multiple sieve aperture.
7. lung isolation conduit according to claim 1 and 2, is characterized in that: the quantity of described second opening is three, and along being responsible for side face symmetry or the asymmetric distribution of endotracheal tube.
8. lung isolation conduit according to claim 1 and 2, is characterized in that: the quantity of described second opening is five, and along being responsible for side face symmetry or the asymmetric distribution of endotracheal tube.
9. lung isolation conduit according to claim 1 and 2, is characterized in that: the quantity of described second opening is more than six even number perforates, and along being responsible for side face symmetry or the asymmetric distribution of endotracheal tube.
10. lung isolation conduit according to claim 1 and 2, is characterized in that: the quantity of described second opening is more than seven odd number perforates, and along being responsible for side face symmetry or the asymmetric distribution of endotracheal tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031807.6A CN104524678A (en) | 2015-01-21 | 2015-01-21 | Lung isolation catheter |
| PCT/CN2016/071430 WO2016116038A1 (en) | 2015-01-21 | 2016-01-20 | Lung isolation catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031807.6A CN104524678A (en) | 2015-01-21 | 2015-01-21 | Lung isolation catheter |
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| Publication Number | Publication Date |
|---|---|
| CN104524678A true CN104524678A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510031807.6A Pending CN104524678A (en) | 2015-01-21 | 2015-01-21 | Lung isolation catheter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016116038A1 (en) * | 2015-01-21 | 2016-07-28 | 肖金仿 | Lung isolation catheter |
| CN105816947A (en) * | 2016-05-25 | 2016-08-03 | 中国人民解放军第三军医大学第二附属医院 | Multi-airbag trachea cannula |
| CN106512183A (en) * | 2016-11-10 | 2017-03-22 | 浙江大学 | Air-way ball bag expanding guide tube capable of synchronously ventilating |
| CN106938115A (en) * | 2017-04-18 | 2017-07-11 | 肖金仿 | Cut gas formula crane span structure control balance ventilation single-chamber lung isolation conduit |
| CN110448775A (en) * | 2019-09-04 | 2019-11-15 | 湖南省肿瘤医院 | Airway is isolated in lung |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064701A2 (en) * | 1981-05-07 | 1982-11-17 | Hiroshi Inoue | Endotracheal tube with movable endobronchial blocker |
| CN2417884Y (en) * | 2000-04-21 | 2001-02-07 | 陈铁军 | Controllable single-lung vent catheter |
| CN2717460Y (en) * | 2004-06-02 | 2005-08-17 | 济南市第四人民医院 | Single-chamber two-purpose tracheal tube |
| US20120302833A1 (en) * | 2011-05-26 | 2012-11-29 | Nellcor Puritan Bennett Llc | Illumination systems and devices for tracheal tubes |
| CN202777367U (en) * | 2012-09-28 | 2013-03-13 | 续飞 | Single-cavity bronchial catheter |
| CN203220662U (en) * | 2013-02-05 | 2013-10-02 | 高宏 | Three-cuff double-lumen bronchial catheter |
| CN204766920U (en) * | 2015-01-21 | 2015-11-18 | 肖金仿 | Pipe is kept apart to lung |
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2015
- 2015-01-21 CN CN201510031807.6A patent/CN104524678A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064701A2 (en) * | 1981-05-07 | 1982-11-17 | Hiroshi Inoue | Endotracheal tube with movable endobronchial blocker |
| CN2417884Y (en) * | 2000-04-21 | 2001-02-07 | 陈铁军 | Controllable single-lung vent catheter |
| CN2717460Y (en) * | 2004-06-02 | 2005-08-17 | 济南市第四人民医院 | Single-chamber two-purpose tracheal tube |
| US20120302833A1 (en) * | 2011-05-26 | 2012-11-29 | Nellcor Puritan Bennett Llc | Illumination systems and devices for tracheal tubes |
| CN202777367U (en) * | 2012-09-28 | 2013-03-13 | 续飞 | Single-cavity bronchial catheter |
| CN203220662U (en) * | 2013-02-05 | 2013-10-02 | 高宏 | Three-cuff double-lumen bronchial catheter |
| CN204766920U (en) * | 2015-01-21 | 2015-11-18 | 肖金仿 | Pipe is kept apart to lung |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016116038A1 (en) * | 2015-01-21 | 2016-07-28 | 肖金仿 | Lung isolation catheter |
| CN105816947A (en) * | 2016-05-25 | 2016-08-03 | 中国人民解放军第三军医大学第二附属医院 | Multi-airbag trachea cannula |
| CN106512183A (en) * | 2016-11-10 | 2017-03-22 | 浙江大学 | Air-way ball bag expanding guide tube capable of synchronously ventilating |
| CN106938115A (en) * | 2017-04-18 | 2017-07-11 | 肖金仿 | Cut gas formula crane span structure control balance ventilation single-chamber lung isolation conduit |
| WO2018192013A1 (en) * | 2017-04-18 | 2018-10-25 | 肖金仿 | Air cutting type bridge frame for controlling balanced ventilation of single-cavity lung isolation catheter |
| CN110448775A (en) * | 2019-09-04 | 2019-11-15 | 湖南省肿瘤医院 | Airway is isolated in lung |
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Application publication date: 20150422 |