CN207085047U

CN207085047U - Trachea cannula

Info

Publication number: CN207085047U
Application number: CN201720177023.9U
Authority: CN
Inventors: 陈鹏
Original assignee: Shenzhen Zai Yang Medical Equipment Technology Co Ltd
Current assignee: Anhui Exploration Medical Devices Technology Co ltd
Priority date: 2017-02-24
Filing date: 2017-02-24
Publication date: 2018-03-13
Anticipated expiration: 2027-02-24

Abstract

The utility model embodiment discloses a kind of trachea cannula, belongs to the technical scheme in medical apparatus field, including airway tube, the first dragging line and the second dragging line；The tube wall of airway tube is provided with Universal pipe, length direction arrangement of the Universal pipe along airway tube, and the first end of Universal pipe couples with the outlet side of airway tube；One end of first dragging line couples with the first end of Universal pipe, and the other end of the first dragging line is extended to outside airway tube, and the first dragging line is used to pull the first end of Universal pipe to be bent toward first direction；One end of second dragging line couples with the first end of Universal pipe, and the other end of the second dragging line is extended to outside airway tube, and the second dragging line is used to pull the first end of Universal pipe to be bent toward second direction；I.e. this programme can control the degree of crook of airway tube outlet side, bending direction, to adapt to the tracheae of different sufferers construction, avoid inserting trachea cannula by force and the tracheae of sufferer being caused to damage.

Description

Trachea cannula

Technical field

A kind of medical apparatus is the utility model is related to, more particularly to a kind of trachea cannula.

Background technology

Perioperative keeps that patients with respiratory tract is unobstructed and effective ventilation is technical ability that every anesthetist must be grasped, wherein, Trachea cannula is to maintain the Main Means of respiratory passage unblocked and effective ventilation, and vein sucks compound intubation and general anaesthesia Must through operation one of.Trachea cannula can be in different types of laryngoscope, fiberoptic bronchoscope, fiberoptic larygoscope, optical wand And oral cannula cavity under the auxiliary such as Modulatory character guiding bougie.In recent years, visible laryngoscope is applied more and more wider in clinical anesthesia General, avoiding traditional laryngoscope need to exert oneself that mouth, pharynx, larynx try one's best to be placed on same straight line tracheal catheter is sent into endotracheal side Formula, it is observed by camera, conducting images system and screen display device, and Anesthetist clearly sees on a display screen See epiglottis and glottis, be smoothed out trachea cannula.At present, when Clinical practice visible laryngoscope is intubated, tracheae can be led with catheter core Pipe bends to definite shape, but this still suffers from the front end of tracheal catheter with splitting collision on epiglottis rear wall, glottis, causes intubation to be not easy Success, especially the high patient of glottis, its successful intubation are more low.Using catheter core easily cause tube core accidentally injure epiglottis or Both sides piriform recess, repeatedly or firmly pulling out tube core can cause to be intubated unsuccessful or de- pipe, so as to cause around patient's bottleneck throat Soft tissue bleeding, hemotoncus are formed, mucous membrane is peeled off, tracheae or rupture of bronchus, esophageal perforation, mediastinal emphesema and pneumothorax etc., so Patient will need to face hypoxemia and hypercapnia is dangerous, and severe patient possibly even causes anesthetic death.

Utility model content

The purpose of this utility model is to provide a kind of trachea cannula, easily human body is caused to damage to solve prior art The problem of.

In order to solve the above-mentioned technical problem, the utility model provides a kind of trachea cannula, including airway tube, first affects Line and the second dragging line；The tube wall of the airway tube is provided with Universal pipe, length direction cloth of the Universal pipe along the airway tube Put, the first end of the Universal pipe couples with the outlet side of the airway tube；One end of first dragging line with it is described universal The first end connection of pipe, the other end of first dragging line are extended to outside the airway tube, and first dragging line is used for The first end of the Universal pipe is pulled to be bent toward first direction；One end of second dragging line and the first end of the Universal pipe Connection, the other end of second dragging line are extended to outside the airway tube, and second dragging line is used to pull described ten thousand Bent to the first end of pipe toward second direction.

Wherein, the first end of the Universal pipe is provided with multiple annular elements mutually spliced, between the adjacent annular element Flexion can be carried out；First dragging line links with each annular element, and with farthest away from the Universal pipe second The annular element at end is connected；Second dragging line links with each annular element, and with farthest away from described universal The annular element at the end of pipe second is connected.

Wherein, the Universal pipe includes flexible pipe, and the annular element is placed on the first end outer wall of the flexible pipe.

Wherein, the annular element is provided with first through hole and the second through hole, and the first through hole and second through hole are equal The both ends of the surface of the annular element are penetrated, each first through hole is positioned opposite, and each second through hole is positioned opposite；It is described One end of first dragging line passes through each first through hole, and is connected with the annular element farthest away from the end of flexible pipe second It is fixed；One end of second dragging line passes through each second through hole, and with farthest away from described in the end of flexible pipe second Annular element is connected.

Wherein, third through-hole is additionally provided with the annular element, the third through-hole penetrates the both ends of the surface of the annular element, respectively The individual third through-hole is positioned opposite；The trachea cannula also includes the 3rd dragging line, and one end of the 3rd dragging line passes through Each third through-hole, and be connected with the annular element farthest away from the end of flexible pipe second.

Wherein, the Universal pipe includes flexible pipe, the first end end face of the flexible pipe and an annular for being in end Part end face is connected.

Wherein, the annular element is provided with first through hole and the second through hole, and the first through hole and second through hole are equal The both ends of the surface of the annular element are penetrated, the flexible pipe is provided with the first groove and the second groove, first groove and described Two grooves penetrate the both ends of the surface of the flexible pipe, and first groove and each first through hole are positioned opposite, and described second Groove and each second through hole are positioned opposite；One end of first dragging line is through first groove and each described First through hole, and be connected with the annular element farthest away from the end of flexible pipe second, the other end of first dragging line Draw the second end end face through the flexible pipe；One end of second dragging line passes through second groove and each described second Through hole, and be connected with the annular element farthest away from the end of flexible pipe second, the other end of second dragging line is through institute Draw the second end end face for stating flexible pipe.

Wherein, third through-hole is additionally provided with the annular element, the third through-hole penetrates the both ends of the surface of the annular element, institute State flexible pipe and be provided with the 3rd groove, the 3rd groove penetrates the both ends of the surface of the flexible pipe, the 3rd groove with it is each described Third through-hole is positioned opposite；The trachea cannula also includes the 3rd dragging line, and one end of the 3rd dragging line is through described the Three grooves and each third through-hole, and be connected with the annular element farthest away from the end of flexible pipe second, described Draw the second end end face of the other end of three dragging lines through the flexible pipe.

Wherein, for the Universal pipe in the tube wall of the airway tube, the first end of the Universal pipe is located at the air guide In the outlet side tube wall of pipe.

Wherein, spring, length direction arrangement of the spring along the airway tube, the spring are provided with the airway tube Abutted with the inner tubal wall of the airway tube.

The beneficial effects of the utility model are as follows：

In use, because first dragging line is used to pull the first end of the Universal pipe curved toward first direction Song, second dragging line is used to pull the first end of the Universal pipe to be bent toward second direction, and the first of the Universal pipe End couple with the outlet side of the airway tube, so when medical personnel's control the first dragging line of pulling, the first dragging line is by band The first end of dynamic Universal pipe is bent toward first direction, and when medical personnel, which control, pulls the second dragging line, the second dragging line is by band The first end of dynamic Universal pipe is bent toward second direction, i.e., can control degree of crook, the bending direction of the outlet side of airway tube, with The tracheae construction of different sufferers is adapted to, avoids inserting trachea cannula by force and the tracheae of sufferer being caused to damage.

Brief description of the drawings

In order to illustrate more clearly of the technical solution of the utility model, below by embodiment it is required use it is attached Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.

Fig. 1 is the cross-sectional view that the utility model trachea cannula preferred embodiment provides；

Fig. 2 is the structural representation that the utility model trachea cannula preferred embodiment provides；

Fig. 3 is the Universal pipe structural representation one that the utility model trachea cannula preferred embodiment provides；

Fig. 4 is the Universal pipe structural representation two that the utility model trachea cannula preferred embodiment provides；

Fig. 5 is the annular element structural representation that the utility model trachea cannula preferred embodiment provides；

Fig. 6 is the hose construction schematic diagram that the utility model trachea cannula preferred embodiment provides.

Reference is as follows：

1st, Universal pipe；

21st, annular element；211st, first through hole；212nd, the second through hole；213rd, third through-hole；

(22A, 22B), flexible pipe；221st, the first groove；222nd, the second groove；223rd, the 3rd groove；

31st, the first dragging line；32nd, the second dragging line；33rd, the 3rd dragging line；

4th, airway tube；41st, inflation inlet；42nd, ventilation side opening；

51st, air bag；52nd, gas tube；53rd, gas-charging connection；531st, pressure detecting capsule；

6th, X-ray developing line.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, to the technical scheme in the utility model embodiment It is clearly and completely described.

It was found from Fig. 1 to 6, the trachea cannula described in the utility model embodiment, including airway tube 4, the first dragging line 31 and second dragging line 32；The tube wall of the airway tube 4 is provided with Universal pipe 1, length of the Universal pipe 1 along the airway tube 4 Direction arranges that the first end of the Universal pipe 1 couples with the outlet side of the airway tube 4；One end of first dragging line 31 Couple with the first end of the Universal pipe 1, the other end of first dragging line 31 is extended to outside the airway tube 4, described First dragging line 31 is used to pull the first end of the Universal pipe 1 to be bent toward first direction；One end of second dragging line 32 Couple with the first end of the Universal pipe 1, the other end of second dragging line 32 is extended to outside the airway tube 4, described Second dragging line 32 is used to pull the first end of the Universal pipe 1 to be bent toward second direction.

In use, airway tube 4 will be inserted in patient, and the outlet side of airway tube 4 is placed in patient, airway tube 4 inlet end is placed in the external of sufferer, and couples with corresponding oxygen supply equipment, and now medical personnel can pass through matching unit and the One dragging line 31, the second dragging line 32 are coupled, when medical personnel, which control, pulls the first dragging line 31, the first dragging line 31 The first end for driving Universal pipe 1 is bent toward first direction, when medical personnel, which control, pulls the second dragging line 32, second affects Line 32 bends the first end for driving Universal pipe 1 toward second direction, because the first dragging line 31 and the second dragging line 32 can divide Not Dai Dong Universal pipe 1 bent toward different directions, i.e., degree of crook, the bending direction of the outlet side of airway tube 4 can be controlled, with suitable Answer the tracheae of different sufferers to construct, avoid inserting trachea cannula by force and the tracheae of sufferer being caused to damage.

Furthermore it is also possible to sputum aspirator is installed near the outlet side of airway tube 4, to suction sputum, to keep the tracheae of sufferer It is unimpeded.

It may be noted that define first direction and second direction, it is therefore an objective to show that Universal pipe 1 can be toward two different directions Bent, not limiting Universal pipe 1 must bend toward a direction, and third direction described below is also such.

Trachea cannula described in the utility model embodiment it is a kind of improve can as shown in Figures 3 and 4, the Universal pipe 1 First end is provided with multiple annular elements 21 mutually spliced, and flexion can be carried out between the adjacent annular element 21；It is described First dragging line 31 links with each annular element 21, and with the annular element 21 farthest away from the end of Universal pipe 1 second It is connected；Second dragging line 32 links with each annular element 21, and with farthest away from the end of Universal pipe 1 second The annular element 21 is connected.

In application process, by pulling the first dragging line 31, each carry out of annular element 21 activity can be driven, in pulling force In the presence of, flexion will be carried out between adjacent annulus 21, so as to realize bending of the first end of Universal pipe 1 toward first direction Control.

Similarly, in application process, by pulling the second dragging line 32, each carry out of annular element 21 activity can be driven, In the presence of pulling force, flexion will be carried out between adjacent annulus 21, so as to realize the first end of Universal pipe 1 toward second direction Bending control.

Wherein, in unit length, the number of annular element 21 of setting is more, its bending amplitude that can be controlled, precision It is higher.

Trachea cannula described in the utility model embodiment it is a kind of improve can as shown in figure 3, the Universal pipe 1 include it is soft Pipe 22A, the annular element 21 are placed on the first end outer wall of the flexible pipe 22A.

In application process, it only need to accurately control the first end of Universal pipe 1 to be bent, the use of most cases can be met Need, but because the manufacturing cost of annular element 21 is higher, so in order to save cost, the remainder of Universal pipe 1 only needs to apply Lower-cost flexible pipe 22A is made, and need not together set up annular element 21.

A kind of improve of trachea cannula described in the utility model embodiment can as shown in Figures 3 and 5, on the annular element 21 Provided with the through hole 212 of first through hole 211 and second, the first through hole 211 and second through hole 212 penetrate the annular element 21 both ends of the surface, each first through hole 211 is positioned opposite, and each second through hole 212 is positioned opposite；Described first leads One end of moving-wire 31 passes through each first through hole 211, and with the annular element 21 farthest away from the ends of flexible pipe 22A second It is connected；One end of second dragging line 32 passes through each second through hole 212, and with farthest away from the flexible pipe 22A The annular element 21 at the second end is connected.

In application process, because trachea cannula itself has certain angle of bend, so the Universal pipe 1 under nature Also case of bending will be in, i.e. the side of adjacent annulus 21 will be in and draw close state, and remaining position will be in expansion state, false Determine first through hole 211 to be on the position of expansion state located at annular element 21, if now pulling the first dragging line 31, adjacent annular The position that part 21 is in expansion state will be drawn close, and bending motion is completed with this, realize Universal pipe 1 toward first direction Bending control.

Similarly, it is assumed that the second through hole 212 is on the position of expansion state located at annular element 21, if now pulling second to lead Moving-wire 32, the position that adjacent annulus 21 is in expansion state will be drawn close, and completed bending motion with this, realized universal The bending of pipe 1 toward second direction controls.

A kind of improve of trachea cannula described in the utility model embodiment can as shown in Figures 3 and 5, on the annular element 21 Third through-hole 213 is additionally provided with, the third through-hole 213 penetrates the both ends of the surface of the annular element 21, each third through-hole 213 It is positioned opposite；The trachea cannula also includes the 3rd dragging line 33, and one end of the 3rd dragging line 33 is through each described the Three through holes 213, and be connected with the annular element 21 farthest away from the ends of flexible pipe 22A second.

With above similarly, it is assumed that third through-hole 213 is on the position of expansion state located at annular element 21, if now pulling 3rd dragging line 33, the position that adjacent annulus 21 is in expansion state will be drawn close, and bending motion is completed with this, be realized The bending of Universal pipe 1 toward third direction controls.

So Universal pipe 1 now can at least realize the bending control in three directions, control dimension is added, to adapt to The air pipe structure of more sufferers provides possibility.

Trachea cannula described in the utility model embodiment it is a kind of improve can as shown in figure 4, the Universal pipe 1 include it is soft Pipe 22B, the first end end face of the flexible pipe 22B are connected with an end face of the annular element 21 in end.

In application process, it only need to accurately control the first end of Universal pipe 1 to be bent, the use of most cases can be met Need, but because the manufacturing cost of annular element 21 is higher, so in order to save cost, the remainder of Universal pipe 1 only needs to apply Lower-cost flexible pipe 22B is made, and need not together set up annular element 21.

A kind of improve of trachea cannula described in the utility model embodiment can as shown in Figs. 4-6, on the annular element 21 Provided with the through hole 212 of first through hole 211 and second, the first through hole 211 and second through hole 212 penetrate the annular element 21 both ends of the surface, the flexible pipe 22B are provided with the first groove 221 and the second groove 222, first groove 221 and described Two grooves 222 penetrate the both ends of the surface of the flexible pipe 22B, and first groove 221 is with each first through hole 211 with respect to cloth Put, second groove 222 and each second through hole 212 are positioned opposite；One end of first dragging line 31 passes through institute State the first groove 221 and each first through hole 211, and with the annular element 21 farthest away from the ends of flexible pipe 22B second It is connected, second end end face of the other end through the flexible pipe 22B of first dragging line 31 is drawn；Second dragging line 32 one end passes through second groove 222 and each second through hole 212, and with farthest away from the ends of flexible pipe 22B second The annular element 21 be connected, the second end end face of the other end of second dragging line 32 through the flexible pipe 22B is drawn.

With above similarly, it is assumed that first through hole 211 is on the position of expansion state located at annular element 21, if now pulling First dragging line 31, the position that adjacent annulus 21 is in expansion state will be drawn close, and bending motion is completed with this, be realized The bending of Universal pipe 1 toward first direction controls.

And now the first dragging line 31 is accommodated in the first groove 221 substantially, the first dragging line 31 is avoided to be in mixed and disorderly Exposed laying state, for improve trachea cannula structural compactness provide valuable help.

And now the second dragging line 32 is accommodated in the second groove 222 substantially, the second dragging line 32 is avoided to be in mixed and disorderly Exposed laying state, for improve trachea cannula structural compactness provide valuable help.

A kind of improve of trachea cannula described in the utility model embodiment can as shown in Figs. 4-6, on the annular element 21 It is additionally provided with third through-hole 213, the third through-hole 213 penetrates the both ends of the surface of the annular element 21, and the flexible pipe 22B is provided with the Three grooves 223, the 3rd groove 223 penetrate the both ends of the surface of the flexible pipe 22B, the 3rd groove 223 and each described the Three through holes 213 are positioned opposite；The trachea cannula also includes the 3rd dragging line 33, and one end of the 3rd dragging line 33 passes through institute State the 3rd groove 223 and each third through-hole 213, and with the annular element 21 farthest away from the ends of flexible pipe 22B second It is connected, second end end face of the other end through the flexible pipe 22B of the 3rd dragging line 33 is drawn.

And now the 3rd dragging line 33 is accommodated in the 3rd groove 223 substantially, the 3rd dragging line 33 is avoided to be in mixed and disorderly Exposed laying state, for improve trachea cannula structural compactness provide valuable help.

Further, Universal pipe 1 now can at least realize the bending control in three directions, add control dimension Degree, possibility is provided to adapt to the air pipe structure of more sufferers.

A kind of improve of trachea cannula described in the utility model embodiment can be as follows, and the Universal pipe 1 is led located at described In the tube wall of tracheae 4, the first end of the Universal pipe 1 is in the outlet side tube wall of the airway tube 4.

Universal pipe 1 is located to the tube wall of airway tube 4, the volume of extra increase trachea cannula can be avoided, this can be ensured Trachea cannula described in utility model embodiment meets national standard specification, can be applied to various clinical medicals immediately and lead Domain, but also it is avoided that Universal pipe 1 directly contacts with the tracheae of sufferer, prevent the annular element 21 of Universal pipe 1 in active procedure The tracheae of scratch sufferer.

A kind of improve of trachea cannula described in the utility model embodiment can be as follows, and spring is provided with the airway tube 4, Length direction arrangement of the spring along the airway tube 4, the spring abut with the inner tubal wall of the airway tube 4.

In use, because spring can be kept abutting with the inwall of airway tube 4, so as to avoid airway tube 4 because by Deformed to external compression, prevent the phenomenon that throughput reduces, even stops supply, weight is provided for the life security of sufferer Ensure, so spring should extend to the outlet side of airway tube 4 from the inlet end of airway tube 4 as far as possible, it is each to improve airway tube 4 The anti-pressure ability of individual position.

A kind of improvement of trachea cannula described in the utility model embodiment can be as shown in Fig. 2 the tube wall of the airway tube 4 Provided with X-ray developing line 6, length direction arrangement of the X-ray developing line 6 along the airway tube 4.

In use, can be accurately fixed by X-ray developing line 6 (X-ray, i.e. Xray) by the cooperation of relevant device The position position of trachea cannula, curved shape etc., so that medical personnel can adjust the position, curved of trachea cannula in time Qu Fangxiang and degree of crook etc., so X-ray developing line 6 should extend to airway tube 4 from the inlet end of airway tube 4 as far as possible Outlet side, so as to which the Global Information of trachea cannula can be reflected in use.

A kind of improve of trachea cannula described in the utility model embodiment can as illustrated in fig. 1 and 2, and the trachea cannula is also Including air bag 51, gas-charging connection 53 and gas tube 52；The air bag 51 is enclosed in outside the outlet side tube wall of the airway tube 4, institute State airway tube 4 and inflation inlet 41 is provided with the tube wall surrounded by the air bag 51；The output end of the gas-charging connection 53 with it is described The inlet end connection of gas tube 52, the outlet side of the gas tube 52 is through the tube wall of the airway tube 4 to extend to described lead In tracheae 4, the outlet side of the gas tube 52 is connected with the inflation inlet 41.

In use, the input of gas-charging connection 53 connects charger, and the gas of charger output will successively Air bag 51 is reached after gas-charging connection 53, gas tube 52, now air bag 51 will expand, and directly be abutted with the tracheae of sufferer, with Avoid revealing through the space between airway tube 4 and sufferer tracheae through the oxygen that airway tube 4 inputs, provided for the life security of sufferer Preferably ensure.

A kind of improve of trachea cannula described in the utility model embodiment can be as shown in figure 1, the gas tube 52 be placed in The inwall of pipeline section and the airway tube 4 in the airway tube 4 is fitted and connected.

Because airway tube 4 is to be used to supply oxygen patient, if be arbitrarily provided with airway tube 4 may for gas tube 52 Airway tube 4 is blocked, the life of patient is constituted a serious threat；So the pipeline section that gas tube 52 is placed in airway tube 4 and air guide The inwall of pipe 4 is fitted and connected, and gas tube 52 can be avoided to block airway tube 4, further provided more for the life security of sufferer Good guarantee.

A kind of improve of trachea cannula described in the utility model embodiment can as illustrated in fig. 1 and 2, the gas-charging connection 53 Output end be provided with the pressure detecting capsule 531 that can shrink, expand, the inlet end of the gas tube 52 and the pressure detecting capsule 531 connect.

When airway tube 4 is inserted in patient airway, reply air bag 51 is inflated so that air bag 51 expands, until air bag 51 will The tracheae of patient fills up, and avoids the oxygen for being conveyed to patient from flowing backwards with this and overflows；But the inflated condition of air bag 51 can not use Naked-eye observation, if the under-inflation of air bag 51, oxygen can be caused to flow backwards and overflowed, may be to patient if air bag 51 is inflated excessively Tracheae cause too strong extruding, it is possible to the tracheae of patient can be injured；, can be in gas-charging connection 53 in order to solve this problem Output end is provided with the pressure detecting capsule 531 that can be shunk, expand, if the now under-inflation of air bag 51, pressure detecting capsule 531 is then It can seem flat because of contraction, if air bag 51 is inflated excessively, pressure detecting capsule 531, which can then expand, seems full, so medical care people Member only needs observation, touch pressure detection capsule 531 to learn the inflation situation of air bag 51, is brought for the inflation regulation of air bag 51 Great convenience.

A kind of improvement of trachea cannula described in the utility model embodiment can be as shown in figure 1, the outlet of the airway tube 4 End pipe wall is provided with ventilation side opening 42.

And when the outlet side of airway tube 4 is placed in the tracheal strips of patient, the outlet side of airway tube 4 be possible to by tracheal wall, Its hetero-organization or endotracheal foreign matter stop that the conveying for causing oxygen can not be smoothed out by this, and this will jeopardize the life of patient Life safety；In order to solve this problem, ventilation side opening 42 can be provided with the outlet side tube wall of airway tube 4, even if now airway tube 4 Outlet side be blocked, oxygen can also be conveyed by side opening 42 of ventilating, and greatly reduce the situation that is blocked of oxygen conveying.

A kind of improve of trachea cannula described in the utility model embodiment can be as follows, and the caliber of the Universal pipe 1 is 0.5 ~1.5mm.

It may be noted that when Universal pipe 1 is in the tube wall of airway tube 4, the caliber of Universal pipe 1 need to set smaller, and When the caliber of Universal pipe 1 is 0.5~1.5mm, even if Universal pipe 1 also will not additionally be increased in the tube wall of airway tube 4 The volume of trachea cannula so that the specification of trachea cannula still conforms to the regulation of national standard, is provided for input Clinical practice Valuable help.

Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit Decorations are also considered as the scope of protection of the utility model.

Claims

A kind of 1. trachea cannula, it is characterised in that

Including airway tube, the first dragging line and the second dragging line；

The tube wall of the airway tube is provided with Universal pipe, and length direction arrangement of the Universal pipe along the airway tube is described universal The first end of pipe couples with the outlet side of the airway tube；

One end of first dragging line couples with the first end of the Universal pipe, and the other end of first dragging line extends to Outside the airway tube, first dragging line is used to pull the first end of the Universal pipe to be bent toward first direction；

One end of second dragging line couples with the first end of the Universal pipe, and the other end of second dragging line extends to Outside the airway tube, second dragging line is used to pull the first end of the Universal pipe to be bent toward second direction.
2. trachea cannula according to claim 1, it is characterised in that

The first end of the Universal pipe is provided with multiple annular elements mutually spliced, can be carried out between the adjacent annular element curved Bent activity；

First dragging line links with each annular element, and with the annular element farthest away from the end of Universal pipe second It is connected；

Second dragging line links with each annular element, and with the annular element farthest away from the end of Universal pipe second It is connected.
3. trachea cannula according to claim 2, it is characterised in that the Universal pipe includes flexible pipe, the annular element set In on the first end outer wall of the flexible pipe.
4. trachea cannula according to claim 3, it is characterised in that

The annular element is provided with first through hole and the second through hole, and the first through hole and second through hole penetrate the ring The both ends of the surface of shape part, each first through hole is positioned opposite, and each second through hole is positioned opposite；

One end of first dragging line passes through each first through hole, and with the ring farthest away from the end of flexible pipe second Shape part is connected；

One end of second dragging line passes through each second through hole, and with the ring farthest away from the end of flexible pipe second Shape part is connected.
5. trachea cannula according to claim 4, it is characterised in that

It is additionally provided with third through-hole on the annular element, the third through-hole penetrates the both ends of the surface of the annular element, and each described the Three through holes are positioned opposite；

The trachea cannula also includes the 3rd dragging line, and one end of the 3rd dragging line passes through each third through-hole, and It is connected with the annular element farthest away from the end of flexible pipe second.
6. trachea cannula according to claim 2, it is characterised in that the Universal pipe includes flexible pipe, and the of the flexible pipe One end end face is connected with an annular element end face in end.
7. trachea cannula according to claim 6, it is characterised in that

The annular element is provided with first through hole and the second through hole, and the first through hole and second through hole penetrate the ring The both ends of the surface of shape part, the flexible pipe are provided with the first groove and the second groove, and first groove and second groove pass through Lead to the flexible pipe both ends of the surface, first groove and each first through hole are positioned opposite, second groove with it is each Second through hole is positioned opposite；

One end of first dragging line passes through first groove and each first through hole, and with farthest away from the flexible pipe The annular element at the second end is connected, and second end end face of the other end through the flexible pipe of first dragging line is drawn；

One end of second dragging line passes through second groove and each second through hole, and with farthest away from the flexible pipe The annular element at the second end is connected, and second end end face of the other end through the flexible pipe of second dragging line is drawn.
8. trachea cannula according to claim 7, it is characterised in that

It is additionally provided with third through-hole on the annular element, the third through-hole penetrates the both ends of the surface of the annular element, on the flexible pipe Provided with the 3rd groove, the 3rd groove penetrates the both ends of the surface of the flexible pipe, the 3rd groove and each third through-hole It is positioned opposite；

The trachea cannula also includes the 3rd dragging line, and one end of the 3rd dragging line passes through the 3rd groove and each institute State third through-hole, and be connected with the annular element farthest away from the end of flexible pipe second, the 3rd dragging line it is another The second end end face through the flexible pipe is held to draw.
9. trachea cannula according to claim 1, it is characterised in that the Universal pipe is located at the tube wall of the airway tube Interior, the first end of the Universal pipe is in the outlet side tube wall of the airway tube.
10. trachea cannula according to claim 1, it is characterised in that be provided with spring, the spring edge in the airway tube The length direction arrangement of the airway tube, the spring abut with the inner tubal wall of the airway tube.