CN209332940U - Improved multifunctional trachea cannula - Google Patents

Abstract

The utility model belongs to endotracheal intubation field, and in particular to a kind of improved multifunctional trachea cannula.The utility model includes for protruding into the main pipe in patient airway via patient's oral area, and arrangement plays radial breathing to the breathing air bag of stretching patient airway at the one section of outer tube wall of main pipe being located in patient airway；It is characterized by: this trachea cannula further includes the looped pipeline current for stomach tube, the looped pipeline and column-shaped are fixed at main pipe's outer wall, the import for stomach tube insertion of looped pipeline is concordant with main pipe's air inlet, and the outlet of looped pipeline being pierced by for stomach tube is located above breathing air bag and with breathing air bag at a distance of 4~5cm.The utility model has simple structure, advantage simple and efficient to handle, usage comfort is high and at low cost, can be while fast implementing trachea cannula operation, moreover it is possible to the reliable efficient merging function of realizing later period stomach tube.

Description

Improved multifunctional trachea cannula

Technical field

The utility model belongs to endotracheal intubation field, and in particular to a kind of improved multifunctional trachea cannula.

Background technique

At present in the rescue of patient with severe symptoms, direct oral cavity trachea cannula is the foundation side of most common artificial airway Formula.Such as at home well known clinical CPR when, trachea cannula direct oral cavity is inserted by one of most common emergency measures In patient airway, so as to unimpeded air flue, promotes the discharge of secretion, be aided with ventilator assisted ventilation.Current trachea cannula behaviour Make, has the following problems: first, for patient with severe symptoms normal for gastrointestinal function, after trachea cannula insertion, Yao Jinhang intestines Interior nutrition is to maintain the Nutrition and Metabolism of patient, due to being unable to oral feeding, it is necessary to be placed in nose catheter.It is found in clinical position, Since trachea cannula has tied up patient's oral area and bottleneck throat space, stomach tube matter is soft extremely difficult via between trachea cannula and patient's throat wall It is inserted into esophagus at gap, it is high to set tube failure rate, and operation repeatedly can cause sinus tissue oedema bleeding, or even also need using again Secondary use laryngoscope chooses out the help of bottleneck throat tissue and sets stomach tube, causes great pain to patient, therefore also do not advocate.Second, Trachea cannula needs when being placed in tracheal catheter through glottis, and glottis is the soft tissue structure being made of vocal cords and rima glottidis, size In 2cm or so.To avoid glottis from damaging, be typically chosen the diameter of tracheal catheter only in 7mm or so, and the diameter of tracheal catheter and The airway resistance of patient is inversely proportional, and the small tracheal catheter of caliber can protect glottis, but increase airway resistance, and be unfavorable for secreting Object discharge.Third, trachea cannula oblique above the esophageal orifice of patient need to form breathing access into air flue when in use, This makes trachea cannula outer wall that can oppress the esophageal orifice of patient for a long time and directly, occurs esophageal orifice therewith and weighs problem wounded, is giving Patient bring it is unnecessary pain while, it is also apparent that the workload for increasing clinical care.

Summary of the invention

The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of structurally reasonable and practical improvement Type multifunctional endotracheal intubation has simple structure, advantage simple and efficient to handle, usage comfort is high and at low cost, can be While fast implementing trachea cannula operation, moreover it is possible to the reliable efficient merging function of realizing later period stomach tube.

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

A kind of improved multifunctional trachea cannula, including for protruding into the main pipe in patient airway via patient's oral area, Arrangement plays radial breathing to the breathing gas of stretching patient airway at the one section of outer tube wall of main pipe being located in patient airway Capsule；It is characterized by: this trachea cannula further includes the looped pipeline current for stomach tube, the looped pipeline and column-shaped are fixed in outside main pipe At wall, the import for stomach tube insertion of looped pipeline is concordant with main pipe's air inlet, and the outlet of looped pipeline being pierced by for stomach tube is located at breathing At a distance of 4~5cm above air bag and with breathing air bag.

Preferably, using patient's glottis as boundary, the main pipe is divided by main pipe's air inlet to patient's glottis First pipeline section and the second pipeline section that main pipe gas outlet is extended downward by patient's glottis, the first pipeline section internal diameter and outer diameter It is greater than the internal diameter and outer diameter of the second pipeline section accordingly, so that two-period form stepped hole thin after main pipe's lumen is thick before presenting Shape, and preceding thick rear thin two-period form ladder shaft-like is presented in main pipe's outer wall.

Preferably, flexible liner is played around setting at one end tube wall of the main pipe being located at patient's esophageal orifice The air bag cushion of cushion function, main pipe's outer wall is flexible by air bag cushion to be resisted against at the esophageal orifice of patient.

Preferably, looped pipeline exit end face is in the shelving ramp-like structures that patient's oral area and bottleneck throat are inserted into convenient for main pipe.

The utility model has the beneficial effects that:

1), in the structure basis of conventional tracheal intubation, the utility model is additionally arranged looped pipeline as attachment tube, to utilize Main pipe penetrates patient's throat position to the interspersed property of patient throat and by looped pipeline is related, when needing stomach tube to intert, only Stomach tube need to be penetrated to looped pipeline, then realize stomach tube naturally by the interspersed effect of patient's oral area to esophagus, use is extremely convenient.It is practical When operation, on the one hand looped pipeline even can be used as reinforcing rib and use, to increase the structural strength of main pipe itself.And it is another Aspect, the inlet and outlet position of looped pipeline are extremely particular about.Since the installation position of the opposite patient's oropharynx of trachea cannula and air flue is Constant, therefore, the utility model point directly on the basis of the original structure of main pipe, by the way that looped pipeline import is arranged in patient It is mouthful outer and looped pipeline outlet is located at 4~5cm above breathing air bag so that looped pipeline directly span tissue squeeze it is the tightest The oropharynx position of weight, the final patient's esophagus that smoothly goes directly for stomach tube provide strong guarantee.

2) a, spotlight of the specific configuration of main pipe also the utility model.With traditional straight-tube shape straight up and down Trachea cannula structure is different, thin variable-diameter structure after the main pipe of the utility model is thick before presenting.The rear of main pipe, Ye Jishen The second pipeline section for entering patient airway is the tube body namely its trachea cannula size having a size of routine of normal internal-and external diameter.And it is responsible for The front of body, namely the first pipeline section outside patient mouthful is extended upwardly to by patient's glottis, due to the open property in patient oral cavity, Tube body is overstriking.The thickening of first pipeline section lumen so that more gas even secretion be able to it is big along the first pipeline section lumen Amount disengaging, it is clear that it is big to be conducive to airway resistance caused by improving conventional caliber, while being more advantageous to sputum drainage.

3), in view of straight tube wall is for a long time to the direct compressing situation of esophageal orifice, the utility model breathing air bag it It there also is provided air bag cushion outside.Air bag cushion is different from the swelling air bag of special stretching air flue, and the purpose of air bag cushion is exactly for serving as It is connected buffer layer between soft esophageal orifice and the main pipe of relative harder, so that the purpose flexible against esophageal orifice is played, The rigidity of esophageal orifice is directly oppressed to avoid there is straight tube wall, the final usage comfort for effectively promoting patient is reduced The damage being pressurized is organized, while being also beneficial to reduce the workload of medical staff.

4), looped pipeline exit end face is in the shelving ramp-like structures that patient's oral area and bottleneck throat are inserted into convenient for main pipe, changes speech It, looped pipeline outlet actually presents smooth transition structure with main pipe's outer wall, so that when main pipe carries out intubation behaviour When making, will not because looped pipeline there are due to influence and interfere the interspersed operation of normal trachea cannula, to ensure the use of clinical intubation Efficiency.

Detailed description of the invention

Fig. 1 is the schematic structural cross-sectional view of the utility model；

Fig. 2 is the usage state diagram of the utility model.

The practical corresponding relationship of each label of the utility model and component names is as follows:

10- main pipe

11- the first pipeline section the second pipeline section of 12-

20- looped pipeline 30- breathing air bag 40- air bag cushion

Specific embodiment

For ease of understanding, here in connection with attached drawing, specific structure and working method to the utility model are made further below Description:

The utility model specific structure is referring to Fig.1 shown in -2, including main pipe 10, looped pipeline 20, breathing air bag 30 and air bag Pad 40.Wherein:

10 shape of main pipe as shown in Figure 1, by using middle part as boundary be divided into as upper tube half the first pipeline section 11 and as Second pipeline section 12 of lower tube half.In actual use, the glottis position that boundary line is patient is divided.The increasing of first pipeline section, 11 lumen Slightly, so that more gases, which are able to, can be conducive to the generation for improving or even avoiding vapour lock symptom along the first largely disengaging of pipeline section 11.And Simultaneously, the utility model is additionally arranged looped pipeline 20 as attachment tube, thus using main pipe 10 to patient throat Interspersed property and penetrate patient's throat position for looped pipeline 20 is related.The inlet and outlet position of looped pipeline 20 is extremely particular about, due to tracheae It is constant for being intubated with respect to the installation position of patient's oropharynx and air flue, and therefore, the utility model is directly with the original of main pipe 10 Point on the basis of structure, by the way that 20 import of looped pipeline to be arranged in and patient mouthful is outer, the outlet of looped pipeline 20 is located at 30 top of breathing air bag 4~5cm, it is specific as shown in Fig. 2, so that looped pipeline 20, which directly spans tissue, squeezes oropharynx position the most serious, It is final to provide strong guarantee for the through patient's esophagus of stomach tube.When needing stomach tube to intert, stomach tube only need to be penetrated to looped pipeline 20, then Naturally stomach tube is realized by the interspersed effect of patient's oral area to esophagus, and use is extremely convenient.

The position of air bag cushion 40 is at the esophageal orifice of patient.And since main pipe 10 presents unique two-period form Ladder bushing shape, therefore what air bag cushion 40 can also be as shown in Figs. 1-2 is directly arranged at the shaft shoulder of main pipe 10.Air bag cushion 40 can The purpose flexible against esophageal orifice is played, the rigidity of esophageal orifice is directly oppressed to avoid there is straight tube wall, patient's Significant increase obviously can be obtained in usage comfort.

Claims (4)

1. a kind of improved multifunctional trachea cannula, including for protruding into the main pipe in patient airway via patient's oral area (10), arrangement plays radial breathing to stretching patient airway at the one section of outer tube wall of main pipe (10) being located in patient airway Breathing air bag (30)；It is characterized by: this trachea cannula further includes the looped pipeline (20) current for stomach tube, the looped pipeline (20) is simultaneously Column-shaped is fixed at main pipe (10) outer wall, and looped pipeline (20) is put down for the import of stomach tube insertion and main pipe's (10) air inlet Together, the outlet of looped pipeline (20) being pierced by for stomach tube is located above breathing air bag (30) and with breathing air bag (30) at a distance of 4~5cm.

2. a kind of improved multifunctional trachea cannula according to claim 1, it is characterised in that: using patient's glottis as boundary, The main pipe (10) is divided by the first pipeline section (11) of main pipe's (10) air inlet to patient's glottis and by patient Glottis extends downward into second pipeline section (12) of main pipe (10) gas outlet, and the first pipeline section (11) internal diameter and outer diameter are corresponding The internal diameter and outer diameter greater than the second pipeline section (12) so that two-period form stepped hole thin after main pipe's (10) lumen is thick before presenting Shape, and preceding thick rear thin two-period form ladder shaft-like is presented in main pipe's (10) outer wall.

3. a kind of improved multifunctional trachea cannula according to claim 2, it is characterised in that: the main pipe (10) The air bag cushion (40) of flexible liner function, main pipe are played around setting at one end tube wall at patient's esophageal orifice (10) outer wall is flexible by air bag cushion (40) is resisted against at the esophageal orifice of patient.

4. a kind of improved multifunctional trachea cannula according to claim 1 or 2 or 3, it is characterised in that: looped pipeline (20) goes out Mouth end face is in the shelving ramp-like structures convenient for main pipe (10) insertion patient's oral area and bottleneck throat.