CN209500475U - A kind of double lumen tube - Google Patents

Abstract

The utility model provides a kind of double lumen tube, including trachea cannula, along air-breather and regulating device of the demarcation plate to which trachea cannula inner cavity is separated into two independent ventilation chambers, the indoor tracheal catheter of two venting cavities is inserted into from trachea cannula bottom and is successively arranged in from bottom to top at the top of trachea cannula of trachea cannula length direction setting；Air-breather is connected to for supplying gas into two venting cavity rooms with gas source；Air-breather is fixedly connected with demarcation plate；Regulating device is fixedly connected with tracheal catheter；Tracheal catheter can be rotated by air-breather relative to trachea cannula axis；And/or at least one of two tracheal catheters can be rotated by regulating device relative to its axis；Tracheal catheter can be flexible relative to trachea cannula by regulating device.The utility model is designed using separate structure, and tracheal catheter is scalable and rotates, and raising intubation accuracy, success rate, adjustability are good, reduces the damage of tissue.

Description

A kind of double lumen tube

Technical field

The utility model relates to medical treatment to defend material technical field, more particularly, to a kind of double lumen tube of Telescopic rotary.

Background technique

The most double lumen tube of clinical application at present is divided into left side double lumen tube and right side double lumen tube, and left side double lumen tube is by left and right Double lumen, left side head end cuff, main pipe rail cuff composition, the head end of double lumen tube is respectively kept with blow vent, can connect ventilator into Row mechanical ventilation；Double lumen tube tail end has the opening of left and right two-chamber, and pipe left opening in left side is main road, there is about 18mm on main road end Air bag on the air bag is the opening of right side lumen at 15mm, this opening is only the oblique of fixation of the tip close to left side lumen Opening.The left side main road of trachea cannula is inserted into left principal bronchus when intubation ventilation, right side side opening alignment right side bronchus carries out Double lung isolation are realized in ventilation.When tracheal catheter normotopia is placed, catheter proximal end has the natural torsion for being biased to left side, To facilitate bronchial cannula to the left.Right side double lumen tube is similar with left side, and being distinguished as right side head end has cuff, the right opening of right side pipe For main road, and more superiors lobe of right lung openings on the right side of main road distal opening, this extended distance tail end of conduit about 0.5cm, patch The nearly upper leaf opening in right side is cuff, and left opening is the slash-shaped openings of fixation of the tip close to right side lumen, and catheter proximal end has one It is biased to the natural torsion on right side.It is general by the methods of the variation of auscultation airway pressure and branchofiberoscope after intubation, sentence It is disconnected whether dual cavity bronchus vessel to be inserted into correct position.

Applicants have discovered that at least there is following technical problem in the prior art:

The characteristics of due to tracheae anatomical structure, left side double lumen tube are easy to insert a left side on the right side of the insertion of mistake in bronchus When the double lumen tube of side, need to rotate after conduit enters glottis to left side, about 90 degree or so, by double lumen tube front end port Side, to facilitate insertion left side bronchus.The problem of this process are as follows: the process of tube can cause centainly to damage to glottis and tracheae； In addition rotation angle is not enough or rotation opportunity is improper, is such as intubated too deep rear rotation tracheae and wraps lower end conduit, even if turning above Dynamic intubation, but endotracheal tube can not follow and go to same angle, and conduit is made to be erroneously inserted right side bronchus；Once it was found that left The insertion right main bronchus of side double lumen tube mistake, then needed to be adjusted using following manner: (1) manually adjusted: by tracheae Intubation falls back on main airway, then accordingly rotates by a certain angle and (is generally rotated by 90 ° counterclockwise), then tracheae is inserted into, judges conduit Position whether be inserted into left side bronchus.Clinically, this method is difficult tracheal catheter being adjusted to correct position, simultaneously During adjusting the conduit depth repeatedly, it will increase the risks such as glottis, Airway damage, oedema；(2) it applies branchofiberoscope: sentencing After on the right side of the insertion of disconnected left side double lumen tube mistake, branchofiberoscope is inserted into tail end opening through left side lumen head end opening Then Bronchofiberscope is first inserted into left side bronchus, then by tracheal catheter along fibre to main airway by place, the visual lower bronchus that retreats Zhi Jing is directed into left side bronchus.The problem of this process is: not all unit has branchofiberoscope, even if using It is also required to the depth of adjustment tracheal catheter, this process equally will increase the risks such as glottis, Airway damage, oedema；(3) tracheae is led Pipe is extracted: re-starting intubation；Above several regulative modes are poor in the presence of intubation accuracy, need to adjust repeatedly, thus adjusting The problem of can the tissues such as glottis, tracheae be caused with damage during whole.

Current Dual-channel tracheal cannula is divided into left side double lumen tube and right side double lumen tube, two pipe function differences very greatly cannot be mutual It changes, influences clinical use, for example, if insertion is left side double lumen tube, influencing clinical hand if doing left side whole pulmonary resecting Art needs to re-start trachea cannula, is changed to right side double lumen tube.

Utility model content

The purpose of this utility model is to provide a kind of double lumen tubes, quasi- to solve two-chamber cannula existing in the prior art True property, convenience and controllability are poor, and the technical issues of easily cause the tissue damages such as glottis, tracheae in catheterization procedure.

To achieve the above object, the utility model provides following technical scheme:

A kind of double lumen tube provided by the utility model, including trachea cannula, along trachea cannula length direction setting Demarcation plate is to be separated into two independent ventilation chambers for the trachea cannula inner cavity, be inserted into two from the trachea cannula bottom The indoor tracheal catheter of a venting cavity and the air-breather being successively arranged in from bottom to top at the top of the trachea cannula and Regulating device；

The air-breather is connected to for supplying gas into two venting cavity rooms with gas source；

The air-breather is fixedly connected with the demarcation plate；The regulating device is fixedly connected with the tracheal catheter；

The tracheal catheter can be rotated by the air-breather relative to the trachea cannula axis；And/or two institutes Stating at least one of tracheal catheter can be rotated by the regulating device relative to its axis；

The tracheal catheter can be flexible relative to the trachea cannula by the regulating device.Two ventilation chambers Specification is identical；In original state, the tracheal catheter lower end is located within the trachea cannula lower end；And under the tracheal catheter End distance between the trachea cannula lower end is 0.5cm.

The tracheal catheter bottom end is slope mouth structure as a further improvement of the utility model,.

The trachea cannula length 26cm as a further improvement of the utility model, diameter 13-14mm, wall thickness 0.5- 1mm。

The demarcation plate is as a further improvement of the utility model, with a thickness of 0.5-1mm.

It is provided on the end face that the demarcation plate is contacted with the ventilation chamber as a further improvement of the utility model, Increase the first rubber layer of sealing effect.The first rubber layer is globoidal structure identical with the ventilation chamber radian, and The first rubber layer length is greater than the separation plate thickness.The first rubber layer length is 5mm, with a thickness of 0.5mm.

The length of the tracheal catheter is 80mm, diameter 5mm as a further improvement of the utility model,.The gas Annular the second rubber layer for increasing leakproofness is provided in pipe conduit upper end tube nozzle；The second rubber layer length degree is 1mm.

Two tracheal catheter portion integral settings as a further improvement of the utility model, top split settings, The demarcation plate is plugged between two tracheal catheter top fission regions.

Two tracheal catheter lower parts are connected by slideway as a further improvement of the utility model, and top is seperated Setting, the demarcation plate are plugged between two tracheal catheter top fission regions.

As a further improvement of the utility model, when the tracheal catheter is rotated relative to the trachea cannula axis When, the air-breather is rotatably connected at the top of the trachea cannula.

It is provided with annular fixed seat in the trachea cannula external wall of upper portion as a further improvement of the utility model, institute It states and is provided with annular groove at the top of fixing seat, the air-breather is the tubular construction of top closure, the air-breather lower edge It is provided with sliding block compatible with the sliding slot, the air-breather is rotatably arranged in the fixing seat by the sliding block, So demarcation plate extends in the air-breather, the air-breather is separated into two parts, is distinguished on two-part side wall It is provided with the air inlet with the ventilation chamber.

The air inlet specification is 10mm as a further improvement of the utility model,.

The fixing seat specification is height 5mm, wide 3mm as a further improvement of the utility model,.

Locking is additionally provided between the air-breather and the fixing seat as a further improvement of the utility model, Part, the locking or release of the locking piece are able to achieve the air-breather relative to the fixation or rotation between the fixing seat.

The locking piece is buckle as a further improvement of the utility model,.Buckle includes being hinged on air-breather Strip and the grab that is fixed in fixing seat.Buckle, can be by purchasing using product in the prior art realization in the market ?.

The strip specification is length 6mm, wide 5mm as a further improvement of the utility model,.

The quantity of the regulating device is two as a further improvement of the utility model, two regulating devices It is disposed side by side at the top of the air-breather, and two regulating devices are connect with two tracheal catheters respectively, work as institute When stating tracheal catheter relative to the rotation of its axis, at least one of two described regulating devices are rotatably arranged on the ventilation dress Top set portion, and the regulating device can be gone up and down relative to the air-breather.

The regulating device includes annular regulating valve, hollow tubular adjustable column as a further improvement of the utility model, And regulating part, the regulating valve are set on the outside of the adjustable column, can be rotated and be gone up and down relative to the adjustable column；The adjusting It is connect at the top of part one end and the tracheal catheter, the other end is connect after passing through the air-breather with the regulating valve；The tune It is fixedly connected at the top of segmented column lower end and the air-breather, is provided with and adjustable column inner cavity specification at the top of the air-breather Identical opening.

The regulating device further includes being arranged in the adjustable column and the tune as a further improvement of the utility model, Guide frame between valve is saved, the guide frame includes first piston, second piston and guide part, and the first piston is annulus Shape structure movement is set on the outside of the adjustable column；The second piston is sector, and the quantity of the second piston is four, Four second pistons are uniformly arranged along the first piston circumferencial direction, and the first piston and the second piston are fixed It is connected, and there is the gap passed through for the guide part between the two neighboring second piston, the quantity of the guide part is Four, four guide part shapes are identical as the second piston shape, and the guide part is disposed around outside the second piston Side, and the guide part is identical with the height of the adjustable column, rotation connects at the top of the guide part lower end and the air-breather It connects, the guide part is connect close to the open end of the first piston with the first piston side walls, and the regulating valve is logical It crosses connector to be fixedly connected with the first piston, described connector one end is connect with the regulating valve inner wall, and the other end passes through Interval between two guide parts is fixedly connected with the first piston.The adjustable column inner cavity is for ventilating or penetrating fibre Bronchoscopy is tieed up to use.

The regulating device further includes fixed valve as a further improvement of the utility model, and the fixed valve setting exists The position that crack on the outside of the regulating valve between two fan-shaped second pistons intersects, the fixed valve length, highly with institute It is of same size to state regulating valve, the fixed valve width and crack equivalent width, rotation axis are inlayed when not in use on the inside of regulating valve It in regulating valve, when adjusting valve regulation to suitable position, pushes fixed valve aside, is stuck in it in crack, play being fixed temporarily Effect.

The gap specification between the two neighboring second piston is 3mm as a further improvement of the utility model,.

The first piston specification is width 0.3mm, height 1cm as a further improvement of the utility model,.

The regulating valve bottom passes through sliding slot and sliding block and the air-breather as a further improvement of the utility model, Top rotation connection.

Be provided at the top of the regulating valve, at the top of the air-breather as a further improvement of the utility model, with The identical venthole of adjustable column inner cavity specification.

Two regulating valve top view projections are less than 3/4 circumference as a further improvement of the utility model, Cirque structure, so that two regulating valves will not interfere when being arranged side by side together.

The guide part is made of rigid plastics as a further improvement of the utility model,；The guide part diameter For 1cm, length 8cm；Scale layer is provided on the guide part outer wall, and the unit scales of scale layer are 1cm；The adjusting Column diameter is 6mm, and the adjusting column length is identical as the guide part length.

The regulating part is two adjusting rods as a further improvement of the utility model, the adjusting rod both ends difference It is connect with the tracheal catheter and the second piston bottom, the adjusting rod is articulated structure, including leading portion and back segment are described Leading portion, that is, adjusting rod is made close to the tracheal catheter side of flexible hard plastic material, the back segment, that is, tune Pole is made far from the tracheal catheter side of unyielding hard material.The adjusting rod width is 2mm.

The regulating device further includes rubber sealing cap as a further improvement of the utility model, and the rubber sealing cap is straight Diameter is identical as the regulating valve diameter, and rubber sealing cap bottom be additionally provided with it is downwardly projecting with the adjustable column inside callipers The compatible rubber plug of lattice.

Adjusting threeway, institute are additionally provided between the air-breather and gas source as a further improvement of the utility model, The two of them pipeline for stating adjusting threeway is connected to two air inlets, the third pipeline and ventilator for adjusting threeway Connection, and is respectively arranged with adjuster on two pipelines be connected to two air inlets, the adjuster be used to adjust into Tolerance.

The threeway is in Y-shaped structure as a further improvement of the utility model,.

The regulating device further includes the use being arranged on the outside of the regulating valve as a further improvement of the utility model, In the fixed valve for locking or unclamping the regulating valve.

The trachea cannula bottom is provided with inflatable intubation cuff, and institute as a further improvement of the utility model, Intubation cuff is stated to be made of transparent material.

The intubation cuff is apart from the trachea cannula nozzle distance as a further improvement of the utility model, 0.5cm；The intubation cuff length is 3cm, and the intubation cuff color is Transparent color.

The tracheal catheter lower part is provided with conduit cuff as a further improvement of the utility model,；The sheathed catheter Capsule specification is 1cm long；The conduit cuff color on two tracheal catheters is different, respectively blue and red；It is described Conduit cuff is 0.5cm apart from the tracheal catheter bottom end distance.

Two tracheal catheters are divided into left side conduit and right side conduit, institute as a further improvement of the utility model, It states and offers oval aperture on the side wall of right side conduit bottom end, and the axis of the major diameter of the aperture and the right side conduit is flat Row.The aperture is 0.3cm apart from right side conduit bottom end distance；The aperture major diameter a length of 0.9cm, a length of 0.4cm of minor axis.Institute The supravasal conduit cuff color in left side is stated as blue.

Left side conduit lower end is integrally in bending to the left, the right side as a further improvement of the utility model, Side conduit lower end is integrally in bending to the right；And the left side guiding-tube bend angle is that angle is 30 between parallel plane Degree；The left side conduit bottom ramp mouth is towards left side；The right side guiding-tube bend angle is that angle is between parallel plane 15 degree；The right side conduit bottom ramp mouth is towards right side.

The trachea cannula inner cavity is ellipse or round, the demarcation plate as a further improvement of the utility model, Cross sectional shape selects as needed, makes the ventilation chamber being separated into for round, ellipse or half by the demarcation plate Circle, the tracheal catheter are unitary circular pipe or top elliptical tube, bottom circular tube.When need by the adjusting fill When setting the rotation for adjusting the tracheal catheter, the tracheal catheter top cross-section shape and the ventilation chamber cross sectional shape phase It together, and is circle；When the regulating device is not adjustable the tracheal catheter rotation, the tracheal catheter top cross-section is It is non-circular.

A kind of double lumen tube intubation procedure provided by the utility model, includes the following steps:

Step A: operation prepares, and gets out corresponding operational tool before intubation, according to intubation needs, adjusts tracheal catheter head end Curved direction, to facilitate intubation；

Step B: then quick-anaesthesia induction starts the insertion for carrying out trachea cannula, in trachea cannula insertion process as far as possible Guarantee that the tracheal catheter of the left and right sides is located at center and is in parallel position, it, can be with if the discovery angled offset of tracheal catheter It is rotated by air-breather and drives demarcation plate rotation, so as to adjust the angular adjustment of two tracheal catheters, make two sides tracheal catheter It is in a horizontal position；Trachea cannula depth is adjusted in catheterization procedure, and trachea cannula is inserted into the depth away from front tooth 22-24cm Degree；

Step C: there are three types of situations for the inserted mode of tracheal catheter:

The first situation is, when as left side double lumen tube in use, include two kinds of operating procedures, the first, slowly push Right side regulating valve makes right side tracheal catheter promote suitable distance (distance about 4cm or so), then left side regulating valve is pushed to make a left side Side tracheal catheter insertion left side bronchus substantially reduces left side tracheal catheter insertion right side because right side has tracheal catheter to occupy Bronchial probability, hence it is evident that increase the accuracy of intubation；Second, left side regulating valve is slowly pushed, visits left side tracheal catheter Out and it is inserted into left side bronchus, then stopping when having shifted resistance onto retreats about 0.5-1cm or so；Push right side regulating valve to suitable Conduit sleeve bag gas-filling in distance (distance is about apart from left side regulating valve 4cm or so), two sides tracheal catheter；

Second situation is, when as right side double lumen tube in use, be slowly advanced right side regulating valve to there is resistance stopping, after It moves back about 0.5-1cm, left side regulating valve is then pushed, until suitable distance (about apart from left side regulating valve 4cm or so)；It is then shut off each One-lung ventilation is carried out from connecting tube, judges tracheal catheter position, especially whether there is or not breath sounds, fine tuning right side to adjust for attention superior lobe of right lung Valve finds superior lobe of right lung breath sound and clearly locates；Or it is inserted into branchofiberoscope by right side tracheal catheter head end right ports, in fibre It ties up under bronchoscope auxiliary, alignment superior lobe of right lung opening, meanwhile, determine left side aperture position；

The third situation is, by the hole of right side tracheal catheter head end, fiberoptic intubation to be inserted into, visual In the case where, it shifts or rotates the regulating valve in left side onto, reach optimal catheter position, right side regulating valve is then pushed, by right side Tracheal catheter is sent to above knuckle, or right side tracheal catheter is sent into right side bronchus, and makes superior lobe of right lung opening alignment right lung Upper leaf；It auscultates, it is symmetrical by auscultating double pulmonary respiration sounds, intubation is connect, which with ventilator, by adjusting threeway and connecting conduit leads to Gas；Then left or right side connecting conduit is closed respectively, and observation breath sound whether disappears and whether opposite side has breath sound, judgement Intubation whether wrong plug position and position it is whether correct；Keep tracheal catheter flexible as necessary by regulating device or rotation carry out office Portion's fine tuning, after adjustment, is fixed by the fixed valve in regulating valve.

Step D: the adjusting of tracheal catheter intubation mistake, tracheal catheter position when the error occurs lead left or right side tracheae Pipe is retracted into trachea cannula, and judges whether tracheal catheter is located at center, if there is deviation, adjusts two tracheaes by air-breather Conduit is in center position, re-starts the bronchial cannula of left side tracheal catheter；If adjusting failure, still cannot achieve correct Position intubation, can be used branchofiberoscope and is intubated.

Step E: when double lumen tube insertion finish, need it is postoperative carry out replacement single tube ventilation when, by air-breather and adjusting Device is unloaded from trachea cannula, together in trachea cannula demarcation plate and two tracheal catheters extract simultaneously, make trachea cannula Become single lumen catheter, and interface connects a ventilation interface at the top of trachea cannula, can carry out single lumen catheter ventilation.

Tracheal catheter in Dual-channel tracheal cannula provided by the utility model is scalable and rotation, main trachea cannula are inserted into Afterwards, it is no longer necessary to adjust the position of intubation, it is only necessary to adjust the tracheal catheter position of tail end, that is, can reach the purpose for adjusting pipe, subtract The damage of tissue is lacked.

The embodiments of the present invention have the following beneficial effects: compared with prior art

1, tracheal catheter can carry out the adjusting of depth and angle by regulating valve in the utility model, increase successful intubation Probability, even if while wrong plug direction can also very easily be adjusted.

2, the tracheal catheter that stretches in the utility model is located in the inner cavity of main trachea cannula, and adjusting is easier, and is more convenient.Gas Pipe conduit only 8cm long, and connect by the rigid posts of design with top regulating valve, facilitate adjusting.

3, the diameter that double lumen tube is reduced in the utility model is reduced simultaneously using the method that intubation catheter separates The length of tracheal catheter, and the structure of tubulose is taken, the diameter of double lumen tube is greatly reduced, internal diameter is increased, facilitates in art and leads to Gas；And for the convenience of adjusting, intermediate demarcation plate part uses rotatable design.

4, in the prior art patient's horizontal position when, left bronchus mouth and right bronchus mouth are generally in horizontal position, and in tracheae After intubation, it might not can guarantee that the position of two tracheal catheters is horizontal position, may have certain angular deviation, influence to be intubated Effect, the utility model used the rotatable air-breather being fixedly connected with intermediate demarcation plate, passes through rotation ventilation dress It sets, the position of adjustable two tracheal catheter, is allowed to facilitate intubation in horizontal position.

5, double lumen tube is used at present, is divided into left side double lumen tube and right side double lumen tube, and the two structure is different, cannot be general；This By using double tracheal catheters in utility model, and two pipes all employ the cast that can complete independent ventilation, therefore can be certainly By switch between left and right side double lumen tube, meanwhile, two sides are all inserted into ideal position simultaneously, can be obviously improved operation The effect of the side collapse of lung, and increase the oxygen conjunction during one-lung ventilation；Double lumen tube in the utility model, fullys meet mesh The purpose of double lungs isolation of preceding clinical requirement.

6, in the prior art, according to operation needs, clinic may need for double lumen tube to be changed to single lumen catheter, and current method is only Double lumen tube can be extracted, re-start trachea cannula, be inserted into single-chamber trachea cannula；The utility model uses drawable method, When needing replacing, can directly by air-breather above in connection in trachea cannula demarcation plate and tracheal catheter extract simultaneously, connect Double lumen tube easily can be changed to single lumen catheter very by ventilation plug, reduce the process of trachea cannula.

7, it joined adjuster in the three-port structure of ventilation in the utility model, do not need pliers clamp conduit, directly Push adjuster, so that it may control whether to ventilate.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model double lumen tube；

Fig. 2 is that regulating device removes rubber sealing cap and the later internal structure of regulating valve roof in the utility model double lumen tube Schematic diagram；

Fig. 3 is the schematic perspective view of regulating device in the utility model double lumen tube；

Fig. 4 is gas conduit partial schematic diagram in the utility model double lumen tube；

Fig. 5 is the partial schematic diagram of demarcation plate in the utility model double lumen tube；

Fig. 6 is the structural schematic diagram that threeway is adjusted in the utility model double lumen tube；

Fig. 7 is the schematic cross-section of adjuster in the utility model double lumen tube.

1, trachea cannula in figure；11, ventilation chamber；12, demarcation plate；121, the first rubber layer；13, fixing seat；131, sliding Slot；14, it is intubated cuff；2, tracheal catheter；21, conduit cuff；22, angle；23, aperture；24, the second rubber layer；3, ventilation dress It sets；31, air inlet；32, locking piece；33, threeway is adjusted；34, adjuster；341, hollow part；342, solid part；4, dress is adjusted It sets；41, regulating valve；411, connector；42, adjustable column；43, regulating part；44, it is open；45, guide frame；451, first piston； 452, second piston；453, guide part；46, rubber sealing cap；100, gas source.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

Embodiment 1:

As shown in Figure 1, the utility model provides a kind of double lumen tube, including trachea cannula 1, along 1 length side of trachea cannula To the demarcation plate 12 of setting to which 1 inner cavity of trachea cannula is separated into two independent ventilation chambers 11, is inserted from 1 bottom of trachea cannula Enter the tracheal catheter 2 ventilated in chamber 11 to two and the air-breather at 1 top of trachea cannula is successively set from bottom to top 3 and regulating device 4；Air-breather 3 is connected to for supplying oxygen into two ventilation chambers 11 with gas source 100；Air-breather 3 with Demarcation plate 12 is fixedly connected；Regulating device 4 is fixedly connected with tracheal catheter 2；

In the present embodiment 1, tracheal catheter 2 can be rotated by air-breather 3 relative to 1 axis of trachea cannula；Tracheae is led Pipe 2 can be flexible relative to trachea cannula 1 by regulating device 4.When tracheal catheter 2 is rotated relative to 1 axis of trachea cannula, lead to Device of air 3 is rotatably connected on 1 top of trachea cannula.

As optional embodiment, annular fixed seat 13,13 top of fixing seat are provided in 1 external wall of upper portion of trachea cannula It is provided with annular groove 131, air-breather 3 is the tubular construction of top closure, and 3 lower edge of air-breather is provided with and sliding slot 131 Compatible sliding block, air-breather 3 are rotatably arranged in fixing seat 13 by sliding block, are provided on 3 side wall of air-breather and two The air inlet 31 that a ventilation chamber 11 is connected to.

In order to prevent in catheterization procedure, 3 autorotation of air-breather leads to the rotation of tracheal catheter 2, air-breather 3 with Locking piece 32 is additionally provided between fixing seat 13, the locking or release of locking piece 32 are able to achieve air-breather 3 relative to fixing seat Fixation or rotation between 13.In the present invention, locking piece 32 is buckle, and buckling includes being hinged on air-breather 3 Strip and the grab that is fixed in fixing seat 13, buckle product in the prior art also can be used and realize, city can be passed through It is bought on.Strip specification is length 6mm, wide 5mm.

As shown in figure 3, the quantity of regulating device 4 is two, and two regulating devices 4 are side by side as optional embodiment It is fixed at 3 top of air-breather, and two regulating devices 4 are connect with two tracheal catheters 2 respectively, regulating device 4 can phase For the lifting of air-breather 3 for controlling the flexible of tracheal catheter 2.

In the utility model, regulating device 4 includes annular regulating valve 41, hollow tubular adjustable column 42 and regulating part 43, is adjusted Section valve 41 is set in 42 outside of adjustable column, can rotate and go up and down relative to adjustable column 42；43 one end of regulating part and tracheal catheter 2 push up Portion's connection, the other end are connect after passing through air-breather 3 with regulating valve 41；It is fixed at the top of 42 lower end of adjustable column and air-breather 3 to connect It connects, opening 44 identical with 42 inner cavity specification of adjustable column is provided at the top of air-breather 3.

As shown in Fig. 2, the lifting in order to realize regulating device 4, regulating device 4 includes that setting is being adjusted in the utility model Guide frame 45 between column 42 and regulating valve 41, guide frame 45 include first piston 451, second piston 452 and guide part 453, first piston 451 is that annular structure is movably set in 42 outside of adjustable column；451 height of first piston is less than adjustable column 42 Highly, first piston 451 can be gone up and down relative to adjustable column 42, and second piston 452 is sector, and the quantity of second piston 452 is Four, four second pistons 452 are uniformly arranged along 451 circumferencial direction of first piston, and first piston 451 and second piston 452 are solid It is fixed to be connected, there is the gap passed through for guide part 453, the quantity of guide part 453 is four between two neighboring second piston 452 A, four 453 shapes of guide part are identical as 452 shape of second piston, and guide part 453 is disposed around 452 outside of second piston, and leads It is identical with the height of adjustable column 42 to part 453, it is rotatablely connected at the top of 453 lower end of guide part and air-breather 3, guide part 453 leans on The open end of nearly first piston 451 is connect with 451 side walls of first piston, and regulating valve 41 is living by connector 411 and first Plug 451 is fixedly connected, and 411 one end of connector is connect with 41 inner wall of regulating valve, between the other end is across two guide parts 453 It is fixedly connected every with first piston 451.Hold regulating valve 41 upwards lift when, first piston 451 is under the drive of connector 411 It can be moved up relative to adjustable column 42, the movement of first piston 451 will drive second piston 452 and move upwardly together, and second is living Limition orientation effect in plug 452 and 451 moving process of first piston by guide part 453 has the characteristics that oscilaltion is steady. 42 inner cavity of adjustable column is for ventilating or penetrating fiberoptic bronchoscopy use.Gap between two neighboring second piston 452 Specification is 3mm.451 specification of first piston is width 0.3mm, height 1cm.

Regulating device 4 further includes that the fixed valve for being used to lock or unclamp regulating valve 41 in 41 outside of regulating valve is arranged in；Gu Determine the portion that the crack that valve (not shown in figures) is arranged between 41 outside of regulating valve and two fan-shaped second pistons 452 intersects Position, fixed valve length, highly of same size with regulating valve 41, fixed valve width and crack equivalent width, rotation axis is in regulating valve 41 insides, are embedded in when not in use in regulating valve 41, when regulating valve 41, which is adjusted, arrives suitable position, push fixed valve aside, make its card In crack, play the role of being fixed temporarily.

Preferably, two 41 top view of regulating valve projections are less than the cirque structure of 3/4 circumference, so that two adjustings Valve 41 will not interfere when being arranged side by side together.

In the utility model, guide part 453 is made of rigid plastics；453 diameter of guide part is 1cm, length 8cm； Scale layer is provided on 453 outer wall of guide part, and the unit scales of scale layer are 1cm；42 diameter of adjustable column is 6mm, adjustable column 42 length are identical as 453 length of guide part.

1 inner space of trachea cannula is occupied in order to reduce regulating part 43, regulating part 43 is two adjusting rods, adjusting rod both ends It is connect respectively with tracheal catheter 2 and 452 bottom of second piston, adjusting rod is articulated structure, including leading portion and back segment, and leading portion is adjusted Pole is made close to 2 side of tracheal catheter of flexible hard plastic material, and back segment, that is, adjusting rod is adopted far from 2 side of tracheal catheter It is made of unyielding hard material；Adjusting rod width is 2mm.The air-flow entered in order to prevent is leaked out from regulating device 4, is adjusted Regulating device 4 further includes rubber sealing cap 46, and 46 diameter of rubber sealing cap is identical as 41 diameter of regulating valve, and 46 bottom of rubber sealing cap is also set It is equipped with downwardly projecting rubber plug compatible with 42 internal diameter specification of adjustable column.

As shown in fig. 6, being additionally provided with the adjusting threeway 33 in Y-shaped between air-breather 3 and gas source 100, threeway is adjusted 33 two of them pipeline is connected to two air inlets 31, and the third pipeline for adjusting threeway 33 is connected to ventilator, and with two Adjuster 34 is respectively arranged on two pipelines that a air inlet 31 is connected to, adjuster 34 is for adjusting air inflow.This is practical new In type, 34 structure of adjuster is as shown in fig. 7, comprises lower hollow portion 341 and top solid part 342, adjuster 34 are flexibly connected On pipeline, oxygen can be made to pass through when 341 alignment pipe road inner cavity of hollow part, when needing to close the supply air line, pressing Adjuster 34 makes 342 alignment pipe road inner cavity of solid part, to cut off oxygen supply；When being supplied again, it is only necessary to Opposite direction pressing adjuster 34 makes hollow part 341 be directed at pipeline inner cavity again.Adjuster 34 is also using in the prior art Product is realized, can be commercially available.

With it is identical in the prior art, 1 bottom of trachea cannula is provided with inflatable intubation cuff 14, and is intubated cuff 14 and is Bright material is made, and 2 lower part of tracheal catheter is provided with inflatable conduit cuff 21；Cuff 14 is intubated apart from 1 nozzle of trachea cannula Distance is 0.5cm；Intubation 14 length of cuff is 3cm, and being intubated 14 color of cuff is Transparent color.21 specification of conduit cuff is 1cm It is long；21 color of conduit cuff on two tracheal catheters 2 is different, respectively blue and red；Conduit cuff 21 is led apart from tracheae 2 bottom end of pipe distance is 0.5cm.It is same or similar with specification in the prior art with conduit cuff 21 to be intubated cuff 14.

In the present embodiment, two kinds of 2 set-up modes of tracheal catheter may be selected, the first is, tracheal catheter 2 is two independences Pipe, and two tracheal catheters 2 divide for left side conduit and right side conduit, and angle 22 is arranged at left side conduit and the equal bottom of right side conduit, And oval aperture 23 is also provided on the side wall of right side conduit bottom end, and the axis of the major diameter of aperture 23 and right side conduit is flat Row, the aperture 23 are upper leaf opening.The aperture 23 is 0.3cm apart from right side conduit bottom end distance；23 major diameter of aperture is a length of 0.9cm, a length of 0.4cm of minor axis.Supravasal 21 color of conduit cuff in left side is blue.The supravasal conduit cuff 21 in right side is It is red.The double lumen tube of such structure can be used as left side double lumen tube and use, and can also be used as right side double lumen tube and uses.When adjusting, Two tracheal catheters 2 are stretched or are rotated by control respectively；Second is two 2 portion integral of tracheal catheter settings, and There is about 4cm distance along long axis between two 2 front ends of tracheal catheter, left side tracheal catheter 2 exists on preceding, right side when using by left side pipe Afterwards, for right side tracheal catheter 2 in preceding, left side in rear, top split settings, demarcation plate 12 is plugged in two gas when using by right side pipe Between 2 top fission region of pipe conduit.The difference of such structure and the first structure is only that, two tracheal catheters 2 it is flexible or Rotation carries out simultaneously；The third is, in order to facilitate the flexible of tracheal catheter 2, to pass through cunning between two 2 lower parts of tracheal catheter Road connection, top split settings, demarcation plate 12 are plugged between two tracheal catheters, 2 top fission region.When tracheal catheter 2 it Between for slideway connection when, tracheal catheter 2 be only capable of relative to 1 central axis of trachea cannula rotate, be both only capable of adjusting by air-breather 3 Save the rotation of tracheal catheter 2；When tracheal catheter 2 can control respectively rotation by air-breather 3 and regulating device 4, two tracheaes Not set slideway between conduit 2.

In order to increase successful intubation, left side conduit lower end is integrally in that bending, right side conduit lower end to the left is integrally in Bending to the right；And left side guiding-tube bend angle is that angle is 30 degree between parallel plane；Left side conduit bottom angle 22 Towards left side；Right side guiding-tube bend angle is that angle is 15 degree between parallel plane；Right side conduit bottom angle 22 is towards the right side Side.Tracheal catheter 2 has warp architecture identical to curving structure with double lumen tube in the prior art.

As optional embodiment, 1 inner cavity of trachea cannula is ellipse or circle, and 12 cross sectional shape of demarcation plate is according to need It selects, makes the ventilation chamber 11 being separated into for round, ellipse or semicircle by demarcation plate 12, tracheal catheter 2 is whole Body round tube or top elliptical tube, bottom circular tube.When needing to adjust the rotation of tracheal catheter 2 by regulating device 4, 2 top cross-section shape of tracheal catheter is identical as ventilation 11 cross sectional shape of chamber, and is circle；When regulating device 4 is not adjustable When 2 rotation of tracheal catheter, 2 top cross-section of tracheal catheter is non-circular.

In the present embodiment, 31 specification of air inlet is 10mm；13 specification of fixing seat is height 5mm, wide 3mm；Preferably, two 11 specifications of a ventilation chamber are identical；In original state, 2 lower end of tracheal catheter is located within 1 lower end of trachea cannula；And tracheal catheter 2 lower ends distance between 1 lower end of trachea cannula is 0.5cm.Wherein, 2 bottom end of tracheal catheter is 22 structure of angle.With it is existing The slope mouth structure of two-chamber bottom of the tube intubation in technology is identical.In the utility model, trachea cannula 1 length 26cm, diameter 13- 14mm, wall thickness 0.5-1mm.Demarcation plate 12 is with a thickness of 0.5-1mm.The length of tracheal catheter 2 is 80mm, diameter 5mm.

As shown in Figure 4 and Figure 5, it in order to increase leakproofness, is provided on the end face that demarcation plate 12 is contacted with ventilation chamber 11 Increase the first rubber layer 121 of sealing effect.First rubber layer 121 is globoidal structure identical with ventilation 11 radian of chamber, and First rubber layer, 121 length is greater than 12 thickness of demarcation plate.First rubber layer, 121 length is 5mm, with a thickness of 0.5mm.Tracheal catheter The second rubber of the annular layer 24 for increasing leakproofness is provided in 2 upper end tube nozzles；Second rubber layer, 24 length is 1mm.

Embodiment 2:

The present embodiment 2 the difference from embodiment 1 is that, at least one of two tracheal catheters 2 pass through 4 energy of regulating device It is rotated relative to its axis, tracheal catheter 2 can be flexible relative to trachea cannula 1 by regulating device 4.In this embodiment, ventilation To be fixedly connected between device 3 and fixing seat 13, air-breather 3 cannot be rotated relative to trachea cannula 1, thus demarcation plate 12 It cannot rotate, the flexible and rotation of tracheal catheter 2 is realized by regulating device 4.In the present embodiment 2 with the technology of embodiment 1 Scheme difference is only that, is fixedly connected between air-breather 3 and fixing seat 13, is turned at the top of regulating device 4 and air-breather 3 Dynamic connection.

As optional embodiment, the quantity of regulating device 4 is two, and two regulating devices 4 are rotatably arranged on side by side 3 top of air-breather, and two regulating devices 4 are connect with two tracheal catheters 2 respectively, when tracheal catheter 2 is relative to its axis When rotation, at least one of two regulating devices 4 are rotatably arranged on 3 top of air-breather, and regulating device 4 can be relative to logical Device of air 3 is gone up and down.

Further, it is fixedly connected at the top of 42 bottom of adjustable column and air-breather 3,453 bottom of guide part and air-breather 3 Top rotation connection, and regulating valve 41 can go up and down that regulating part 43 is driven to go up and down relative to air-breather 3.453 bottom of guide part Portion and air-breather realize rotation connection between 3 top by way of sliding slot and sliding block.

Embodiment 3:

The present embodiment 3 the difference from example 2 is that, tracheal catheter 2 can by air-breather 3 can be relative to trachea cannula The rotation of 1 axis, at least one of two tracheal catheters 2 can be rotated by regulating device 4 relative to its axis, tracheal catheter 2 can be flexible relative to trachea cannula 1 by regulating device 4.

The scheme phase in structure, connection relationship and embodiment 1 in the present embodiment 3 between air-breather 3 and trachea cannula 1 Together, the connection between regulating device 4 and air-breather 3 and structural relation are identical as the scheme in embodiment 2.

The utility model additionally provides a kind of double lumen tube intubation procedure, includes the following steps:

Step A: operation prepares, and gets out corresponding operational tool before intubation, according to intubation needs, adjusts tracheal catheter 2 Curved direction is held, to facilitate intubation；

Step B: then quick-anaesthesia induction starts the insertion for carrying out trachea cannula, in 1 insertion process of trachea cannula as far as possible Guarantee that the tracheal catheter 2 of the left and right sides is located at center and is in parallel position, it, can if the discovery angled offset of tracheal catheter 2 To drive demarcation plate 12 to rotate by the rotation of air-breather 3, so as to adjust the angular adjustment of two tracheal catheters 2, make two sides gas Pipe conduit 2 is in a horizontal position；1 depth of trachea cannula is adjusted in catheterization procedure, and trachea cannula 1 is inserted into away from front tooth 22- The depth of 24cm；

Step C: there are three types of situations for the inserted mode of tracheal catheter:

The first situation is, when as left side double lumen tube in use, include two kinds of operating procedures, the first, slowly push Right side regulating valve 41 makes right side tracheal catheter 2 promote suitable distance, which is about 4cm or so, then pushes left side regulating valve 41 Make the left side insertion of tracheal catheter 2 left side bronchus, because right side has tracheal catheter 2 to occupy, substantially reduce left side tracheal catheter 2 and insert Enter the bronchial probability in right side, hence it is evident that increase the accuracy of intubation；Second, left side regulating valve 41 is slowly pushed, makes left side gas Pipe conduit 2 leans out and is inserted into left side bronchus, then stopping when having shifted resistance onto retreats about 0.5-1cm or so；Right side is pushed to adjust Valve 41 is saved to suitable distance, which is the 4cm or so about apart from left side regulating valve 41, the sheathed catheter on two sides tracheal catheter 2 Capsule 21 is inflated；

Second situation is, when as right side double lumen tube in use, be slowly advanced right side regulating valve 41 to there is resistance stopping, About 0.5-1cm is retreated, then pushes left side regulating valve 41, until suitable distance, which is the 4cm about apart from left side regulating valve 41 Left and right；It is then shut off respective connecting tube and carries out one-lung ventilation, judge 2 position of tracheal catheter, especially whether there is or not exhale for attention superior lobe of right lung Sound-absorbing, fine tuning right side regulating valve 41, finds superior lobe of right lung breath sound and clearly locates；Or pass through 2 head end right ports of right side tracheal catheter It is inserted into branchofiberoscope, under branchofiberoscope auxiliary, alignment superior lobe of right lung opening, meanwhile, determine left side aperture position；

The third situation is, by the hole of 2 head end of right side tracheal catheter, is inserted into fiberoptic intubation, can It depending in the case where, shifts or rotates the regulating valve 41 in left side onto, reach optimal catheter position, then push right side regulating valve 41, Right side tracheal catheter 2 is sent to above knuckle, or right side tracheal catheter 2 is sent into right side bronchus, and superior lobe of right lung is made to be open It is directed at superior lobe of right lung；Auscultation, it is symmetrical by auscultating double pulmonary respiration sounds, make intubation and ventilator by adjusting threeway and connecting conduit Connection ventilation；Then left or right side connecting conduit is closed respectively, and observation breath sound whether disappears and whether opposite side has breathing Sound, judge intubation whether wrong plug position and position it is whether correct；Keep tracheal catheter 2 flexible or rotation as necessary by regulating device 4 Row Local uniqueness is rotated into, after adjustment, is fixed by the fixed valve in regulating valve 41.

Step D: the adjusting of tracheal catheter intubation mistake, 2 position of tracheal catheter is when the error occurs by left or right side tracheae Conduit 2 is retracted into trachea cannula 1, and judges whether tracheal catheter 2 is located at center, if there is deviation, adjusts two by air-breather 3 Root tracheal catheter 2 is in center position, re-starts the bronchial cannula of left side tracheal catheter 2；If adjusting failure, still can not It realizes correct position intubation, branchofiberoscope can be used and be intubated.

Step E: when double lumen tube insertion finish, need it is postoperative carry out replacement single tube ventilation when, by air-breather 3 and adjust Device 4 is unloaded from trachea cannula 1, together in trachea cannula 1 demarcation plate 12 and two tracheal catheters 2 extract simultaneously, make gas Cannula 1 becomes single lumen catheter, and 1 top interface of trachea cannula connects a ventilation interface, can carry out single lumen catheter ventilation.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of double lumen tube, it is characterised in that: including trachea cannula (1), along point of the trachea cannula (1) length direction setting Partition (12) is to be separated into two independent ventilation chambers (11), from the trachea cannula (1) for the trachea cannula (1) inner cavity The tracheal catheter (2) and the tracheae is successively set from bottom to top that bottom is inserted into two ventilations chamber (11) The air-breather (3) and regulating device (4) being intubated at the top of (1)；

The air-breather (3) is connected to for supplying gas into two ventilation chambers (11) with gas source (100)；

The air-breather (3) is fixedly connected with the demarcation plate (12)；The regulating device (4) and the tracheal catheter (2) It is fixedly connected；

The tracheal catheter (2) can be rotated by the air-breather (3) relative to the trachea cannula (1) axis；And/or two At least one of a described tracheal catheter (2) can be rotated by the regulating device (4) relative to its axis；

The tracheal catheter (2) can be flexible relative to the trachea cannula (1) by the regulating device (4).

2. double lumen tube according to claim 1, it is characterised in that: when the tracheal catheter (2) is inserted relative to the tracheae When managing the rotation of (1) axis, the air-breather (3) is rotatably connected at the top of the trachea cannula (1).

3. double lumen tube according to claim 2, it is characterised in that: be provided with ring in trachea cannula (1) external wall of upper portion Shape fixing seat (13), fixing seat (13) top are provided with annular groove (131), and the air-breather (3) is top closure Tubular construction, air-breather (3) lower edge is provided with compatible sliding block, the air-breather with the sliding slot (131) (3) it is rotatably arranged on the fixing seat (13) by the sliding block, is provided with and two institutes on air-breather (3) side wall State the air inlet (31) of ventilation chamber (11) connection.

4. double lumen tube according to claim 3, it is characterised in that: the air-breather (3) and the fixing seat (13) it Between be additionally provided with locking piece (32), the locking or release of the locking piece (32) are able to achieve the air-breather (3) relative to institute State the fixation or rotation between fixing seat (13).

5. double lumen tube according to claim 1, it is characterised in that: the quantity of the regulating device (4) is two, two institutes It states regulating device (4) to connect with two tracheal catheters (2) respectively, when the tracheal catheter (2) is rotated relative to its axis When, at least one of two described regulating devices (4) are rotatably arranged at the top of the air-breather (3), and the adjusting fills Setting (4) can go up and down relative to the air-breather (3).

6. double lumen tube according to claim 5, it is characterised in that: the regulating device (4) include annular regulating valve (41), Hollow tubular adjustable column (42) and regulating part (43), the regulating valve (41) are set on the outside of the adjustable column (42), can be opposite It rotates and goes up and down in the adjustable column (42)；It is connect at the top of described regulating part (43) one end and the tracheal catheter (2), the other end It is connect afterwards with the regulating valve (41) across the air-breather (3)；Adjustable column (42) lower end and the air-breather (3) Top is fixedly connected, and is provided with opening (44) identical with the adjustable column (42) inner cavity specification at the top of the air-breather (3).

7. double lumen tube according to claim 6, it is characterised in that: the regulating device (4) further includes being arranged in the tune Guide frame (45) between segmented column (42) and the regulating valve (41), the guide frame (45) include first piston (451), Two pistons (452) and guide part (453), the first piston (451) are that annular structure is movably set in the adjustable column (42) outside；The second piston (452) is sector, and the quantity of the second piston (452) is four, four described second Piston (452) is uniformly arranged along the first piston (451) circumferencial direction, the first piston (451) and the second piston (452) it is fixedly linked, there is the gap passed through for the guide part (453), institute between the two neighboring second piston (452) The quantity for stating guide part (453) is four, four guide part (453) cross sectional shapes and the second piston (452) shape Identical, the guide part (453) is disposed around on the outside of the second piston (452), and the guide part (453) and the adjustable column (42) height is identical, is rotatablely connected at the top of guide part (453) lower end and the air-breather (3), the guide part (453) open end close to the first piston (451) is connect with the first piston (451) side walls, the regulating valve (41) it is fixedly connected by connector (411) with the first piston (451), described connector (411) one end and the adjusting The connection of valve (41) inner wall, interval of the other end across two guide parts (453) and the first piston (451) are fixed Connection.

8. double lumen tube according to claim 7, it is characterised in that: the regulating part (43) is two adjusting rods, the tune Pole both ends are connect with the tracheal catheter (2) and the second piston (452) bottom respectively, and the adjusting rod is merogenesis knot Structure, including leading portion and back segment, the leading portion, that is, adjusting rod use flexible hard plastic material close to the tracheal catheter side Material is made, and the back segment, that is, adjusting rod is made far from the tracheal catheter side of unyielding hard material.

9. double lumen tube according to claim 6, it is characterised in that: the regulating device (4) further includes rubber sealing cap (46), Rubber sealing cap (46) diameter is identical as the regulating valve (41) diameter, and the rubber sealing cap (46) bottom be additionally provided with to The rubber plug compatible with the adjustable column (42) internal diameter specification of lower protrusion.

10. double lumen tube according to claim 3, it is characterised in that: between the air-breather (3) and gas source (100) also It is provided with and adjusts threeway (33), the two of them pipeline for adjusting threeway (33) is connected to two air inlets (31), institute It states and adjusts two pipes that the third pipeline of threeway (33) is connected to gas source (100), and is connected to two air inlets (31) Road is respectively arranged with adjuster (34), and the adjuster (34) is for adjusting air inflow.