CN204745260U

CN204745260U - New -type trachea cannula

Info

Publication number: CN204745260U
Application number: CN201520378741.3U
Authority: CN
Inventors: 田鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-06-03
Filing date: 2015-06-03
Publication date: 2015-11-11
Anticipated expiration: 2025-06-03

Abstract

The utility model discloses a new -type trachea cannula, including body, gasbag, air supply joint, gas tube, instruction gasbag, check valve, the front end of body is the tip, the tip intercommunication has first straightway, the air supply connects the intercommunication has the second straightway, the body of part is divided into two mutual intercommunications and a ARC segments and the 2nd ARC segments crooked opposite direction between first straightway and the second straightway, the utility model provides a trachea cannula more is applicable to the S -shaped anatomical structure of human last down comer, makes trachea cannula no longer rely on the supplementary of tube core or bougic, has improved the intubate success rate, has reduced that the intubate is geared to the needs of the job, the damage of pharynx, larynx and trachea antetheca, has lightened patient's misery.

Description

A kind of new-type tracheal intubation

Technical field

This utility model relates to endotracheal intubation field, particularly relates to a kind of new-type tracheal intubation.

Background technology

When tracheal intubation implemented by the conventional laryngoscope of clinical employing, often run into the situation that glottis appears incomplete, now adopt conventional laryngoscope to carry out intubation very difficult, and easily cause patient to damage, even there is severe depletion of oxygen and death.For addressing this problem, popularizing the use of laryngeal mirror (video laryngoscope) clinically, the situation that appears of glottis is significantly improved.But laryngeal mirror makes the anteflexion camber from mouth to glottis increase when appearing glottis, common tracheal intubation is difficult to send to glottis place because of leading portion flexibility not, often brings larger difficulty to tracheal intubation.Can glottis be seen clinically but insert the sight of tracheal intubation difficulty and again and again occur, even may cause death.

At present, the Clinical Countermeasures solved the problem adopts tube core (Stylet) or intubation bougie (Bougie) aid in guide tracheal intubation, although can solve part intubate, but still there is following clinical problem:

1, tracheal intubation can aim at glottis mouth, but is difficult to send into tracheal strips.Reason has one to bend camber afterwards in the trend of glottis downtake, and form S shape passage with pharyngeal anteflexion camber, and the anteflexion camber under video laryngoscope is more obvious, S shape changes further remarkable.So, even if tracheal intubation enters glottis mouth, then trachea upper end antetheca will be arrived at forward, be difficult to continue to push trachea, and easily cause tracheal wall to damage, also likely conduit can be not intended to take out of when moving back laryngoscope, thus cause unexpected generation.

2, the method that intubation bougie guides needs most advanced and sophisticated the fitting tightly with bougie of tracheal intubation just easily import glottis and do not cause damage, and tracheal intubation conventional is at present most advanced and sophisticated to side opening; When guiding, bougie and tracheal intubation tip are easy to form bifurcated and hinder intubate and cause damage.

3, tube core matter is hard, can only aim at glottis by subsidiary conduit, conduit can not be helped to enter trachea, with the damage to air flue, also likely may take conduit out of and cause complication when moving back tube core simultaneously.Therefore, when laryngeal mirror is just in clinical universal period, be badly in need of simple and easy to do, success rate is high, Airway damage is little, easily sends into the endotracheal tube in trachea stage casing again.

CN101301504B discloses a kind of endotracheal tube with adjustable frontend curvature, its technical scheme adopted is that to be arranged to curvature be 110 degree in endotracheal tube front end, tube core front end is arranged in catheter proximal end, tube core rear end linking springs, spring housing is connected on expansion link, and the spring other end withstands on expansion link end step.CN102580215B discloses a kind of Prebuckling tracheal tube core, comprise bar, one end of described bar extends outward the pre-bending pars convoluta with arc trend, the other end of bar is provided with damping structure, and the tangential direction of pre-bending pars convoluta extending end and the axis direction angle of bar are 65 ° to 100 °.Both all have employed the intubation way of tracheal intubation and tube core cooperation, and doctor needs the tube core of hard to insert when operating, and not only operation easier is large, and the tube core of hard easily damages patient.

In addition, the endotracheal tube be widely used at present, such as CN1030236C, CN101301504, CN102553047A, CN102631740A, CN103301546A, the common ground of their structure is: the body of endotracheal tube presents a curvature shape or arc line shaped.The S-shaped structure of anatomical passageway of the Upper and lower airway of human body, it is auxiliary that these endotracheal tubes need by means of tube core or bougie at the Upper and lower airway inserting S shape, easily damages patient, causes complication.

Utility model content

The purpose of this utility model is the technological deficiency for existing in prior art, and provides and a kind ofly need not use supporting tube core and directly can carry out the new-type tracheal intubation of intubate.

The technical scheme adopted for realizing the purpose of this utility model is: a kind of new-type tracheal intubation, comprise body, air bag, gas source connector, gas tube, pilot balloon and check valve, it is characterized in that: the front end of described body is end, and described end is communicated with the first straightway; The rear end of described body is gas source connector, and described gas source connector is communicated with the second straightway; Between described first straightway and the second straightway part body be divided into two to be interconnected and the first arc that bending direction is contrary and the second arc, the radius of described first arc and length are less than radius and the length of described second arc; The link position of described first straightway and described first arc is provided with described air bag.

Further, described end is provided with oblique section, and the tube wall junction of described oblique section and described end is rounding structure; Described end is dorsal part in the side of described tube wall, and described dorsal part is near the rear end of described body; Described end is veutro in the side being provided with oblique section, and described veutro is away from the rear end of described body.

Preferably, the angle c that described oblique section and described tube wall are formed is 26 ~ 30 °.

Further, described end is distributed with the matrix pattern hole be made up of four apertures in the lateral symmetry of dorsal part center line, and the centre in described matrix pattern hole is provided with cross bridge joint.

Preferably, described matrix pattern hole ovalize or half elliptic structure, its width is 2.4 ~ 3.6mm; The width of described cross bridge joint is 1.2 ~ 2.0mm; The centre in this matrix pattern hole is provided with cross bridge joint.

The angle b that the two ends tangent line of described first arc is formed is 80 ~ 110 °, is preferably 90 ~ 95 °.

The arc length of described first arc is 2.5 ~ 4.5cm, is preferably 3.0 ~ 4.0cm.

Preferably, the angle a that the two ends tangent line of described second arc is formed is 165 ~ 175 °.

Preferably, the arc length of described second arc is 5 ~ 7cm.

Described first arc is also provided with the annulet line for helping to identify tracheal intubation insertion depth.

Compared with prior art, the beneficial effects of the utility model are: the tracheal intubation that this utility model provides is more suitable for the S shape anatomical structure of the Upper and lower airway of human body, this tracheal intubation is in conjunction with the round and smooth sharp mouth structure in its top, make the tracheal intubation under laryngeal mirror and direct laryngoscope no longer rely on the auxiliary of tube core or bougie, independently can carry out intubation by " tube method is sent in outward turning 180 degree "; Significantly reduce tracheal intubation at tracheal strips to the damage of trachea antetheca and pressure, improve successful intubation, avoid because of the auxiliary complication injury using tube core or bougie to bring patient; Also reduce the damage of intubate boil on the nape opposite the mouth, pharynx, larynx and trachea antetheca simultaneously, alleviate patient suffering.

Accompanying drawing explanation

Fig. 1,2 is depicted as the structural representation of tracheal intubation;

Figure 3 shows that the structural representation of the fore-end of body;

Figure 4 shows that the end construction schematic diagram of body

Detailed description of the invention

Below in conjunction with specific embodiment, this utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.

Embodiment:

Be illustrated in figure 1 the new-type tracheal intubation of one that this utility model provides, comprise body 1, air bag 2, gas source connector 3, gas tube 4, pilot balloon 5, check valve 6.As shown in Figure 2, the front end of described body 1 is end 11, and described end 11 is communicated with the first straightway 12; The rear end of described body 1 is gas source connector 3, and described gas source connector 3 is communicated with the second straightway 15; Between described first straightway 12 and the second straightway 15 part body be divided into two to be interconnected and the first arc 13 and the second arc 14 that bending direction is contrary, the radius of described first arc 13 and length are less than radius and the length of described second arc 14; The link position of described first straightway 12 and described first arc 13 is provided with described air bag 2.

In Fig. 2, described first arc 13 is also provided with the annulet line 18 for helping to identify tracheal intubation insertion depth.This annulet line 18 is positioned at described air bag 2 towards 1cm place, described gas source connector 3 direction.

As shown in Figure 3, side, described end 11 is provided with oblique section 111, and opposite side has complete tube wall 112; Described oblique section 111 is rounding structure with tube wall 112 junction of described end 11, and when the cutting-edge structure 115 of rounding process can make operation, intubate is smooth-going, greatly reduces the damage of tracheal intubation to glottis rear portion tissue; Described end 11 is dorsal part 113 in the side of described tube wall 112, and described dorsal part 113 is near the rear end of described body 1; Described end 11 is veutro 114 in the side being provided with oblique section, and described veutro 114 is away from the rear end of described body 1.

Preferably, the angle c that described oblique section 111 and described tube wall 112 are formed is 26 ~ 30 °.

The angle b that the two ends tangent line of described first arc 13 is formed is 80 ~ 110 °, is preferably 90 ~ 95 °.

The arc length of described first arc 13 is 2.5 ~ 4.5cm, is preferably 3.0 ~ 4.0cm; Due to the difference at Human Height, body weight, age, the tracheal intubation that this utility model provides can provide different specifications, selects to be suitable for for doctor; Such as: the tracheal intubation being applicable to child, the arc length of its first arc 13 is advisable with 2.5cm.

Preferably, the angle a that the two ends tangent line of described second arc 14 is formed is 165 ~ 175 ° (shown in Fig. 2).

Preferably, the arc length of described second arc 14 is 5 ~ 7cm.

Fig. 4 is the right view of the end 11 of Fig. 3, and described end 11 is distributed with the matrix pattern hole 116 be made up of four apertures in the lateral symmetry of dorsal part 113 center line, and the centre in described matrix pattern hole 116 is provided with cross bridge joint 117.

Preferably, described matrix pattern hole 116 ovalize or half elliptic structure, its width is 2.4 ~ 3.6mm; The width of described cross bridge joint 117 is 1.2 ~ 2.0mm; Described matrix pattern hole 116 is identical with " Murphy hole " role of commercially available tracheal intubation; But the centre in this matrix pattern hole 116 is provided with cross bridge joint 117, the effect of cross bridge joint 117 is embedding and the damage that effectively can prevent from causing epiglottis portion in catheterization procedure.

It should be noted that, being this utility model for the restriction of angle, arc length, width in embodiment draws through long-term clinical trial with after constantly improving, and makes tracheal intubation be more suitable for the S shape anatomical structure of the Upper and lower airway of human body.

Operation principle of the present utility model is: the S-shaped structure of anatomical passageway of the Upper and lower airway of human body, and it is auxiliary that tracheal intubation of the prior art needs by means of tube core or bougie at the Upper and lower airway inserting S shape, easily damages patient, causes complication; The overall preformed of the new-type tracheal intubation that this utility model provides is roughly level and smooth hook-shaped in bottom, and tracheal intubation entirety is flexible.This tracheal intubation, in conjunction with the round and smooth sharp mouth structure in its top, makes the tracheal intubation under laryngeal mirror and direct laryngoscope no longer rely on the auxiliary of tube core or bougie, independently can carry out intubation by " tube method is sent in outward turning 180 degree ".

The operational approach of " tube method is sent in outward turning 180 degree " is: patient lies low, by the arc bending direction of the first arc 13 of tracheal intubation upward (front towards patient), by the root of the tongue of the sphere of movements for the elephants hole of described end 11 towards patient, send into the throat of patient; Insert after 1 centimetre, glottis until the end 11 of tracheal intubation, one end of the gas source connector 3 of tracheal intubation is rotated, while continue to insert in patient airway to push, until during outward turning 180 degree, tracheal intubation enters appropriate location; At this moment, the bending direction of the first arc 13 of tracheal intubation by originally insert forward to transfer to towards the rear to, meet human body glottis downtake dissection flexibility backward; Meanwhile, the bending direction laminating tongue body direction of the second arc 14; The tracheal intubation that this utility model provides designs according to the anatomical passageway of the Upper and lower airway of human body, significantly reduce tracheal intubation at tracheal strips to the damage of trachea antetheca and pressure, reduce operation easier, improve successful intubation, avoid prior art because of the auxiliary complication injury using tube core or bougie to bring patient simultaneously.

The above is only preferred implementation of the present utility model; it should be noted that; for those skilled in the art; under the prerequisite not departing from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a new-type tracheal intubation, comprises body, air bag, gas source connector, gas tube, pilot balloon and check valve, it is characterized in that: the front end of described body is end, and described end is communicated with the first straightway; The rear end of described body is gas source connector, and described gas source connector is communicated with the second straightway; Between described first straightway and the second straightway part body be divided into two to be interconnected and the first arc that bending direction is contrary and the second arc, the radius of described first arc and length are less than radius and the length of described second arc; The link position of described first straightway and described first arc is provided with described air bag.

2. the new-type tracheal intubation of one according to claim 1, is characterized in that described end is provided with oblique section, and the tube wall junction of described oblique section and described end is rounding structure; Described end is dorsal part in the side of described tube wall, and described dorsal part is near the rear end of described body; Described end is veutro in the side being provided with oblique section, and described veutro is away from the rear end of described body.

3. the new-type tracheal intubation of one according to claim 2, is characterized in that the angle c that described oblique section and described tube wall are formed is 26 ~ 30 °.

4. the new-type tracheal intubation of one according to claim 2, it is characterized in that described end is distributed with the matrix pattern hole be made up of four apertures in the lateral symmetry of dorsal part center line, the centre in described matrix pattern hole is provided with cross bridge joint.

5. the new-type tracheal intubation of one according to claim 4, is characterized in that described matrix pattern hole ovalize or half elliptic structure, and its width is 2.4 ~ 3.6mm; The width of described cross bridge joint is 1.2 ~ 2.0mm.

6. the new-type tracheal intubation of one according to claim 1, it is characterized in that the angle b that the two ends tangent line of described first arc is formed is 80 ~ 110 °, the arc length of described first arc is 2.5 ~ 4.5cm.

7. the new-type tracheal intubation of one according to claim 6, is characterized in that described angle b is 90 ~ 95 °; The arc length of described first arc is 3.0 ~ 4.0cm.

8. the new-type tracheal intubation of one according to claim 1, is characterized in that the angle a that the two ends tangent line of described second arc is formed is 165 ~ 175 °; The arc length of described second arc is 5 ~ 7cm.

9. the new-type tracheal intubation of one according to claim 1, is characterized in that the annulet line described first arc is also provided with for helping to identify tracheal intubation insertion depth.