CN206792779U - A kind of controllable connector of children's high-frequency jet ventilation machine - Google Patents

Abstract

The utility model discloses a kind of controllable connector of children's high-frequency jet ventilation machine, belongs to connector technical field.Include connected the first main part and the second main part including main component, it is hollow structure among first main part and the second main part, first main part one end sets breather pipe insert port, the steam vent of radially insertion is provided with the middle part of second main part, the second main part is hatch frame with respect to one end of the first main part；Multiple inserting grooves are along the circumferential direction uniformly arranged on the outside of hatch frame；Sleeve, it is corresponding to be enclosed on outside the second main part and be bonded with the sealing slip of the second main part；Sleeve lateral wall is provided with the adjustment hole of radially insertion, regulation hole site and steam vent position correspondence；The main part of bottom clamping second, bottom is relative with sleeve end face to slide fitting；The bottom other end is communicated with the venthole of the second main part.The utility model is provided with the hemicompact enclosed breathing circuit of controllable size exhaust, greatly improves respiratory nursing effect.

Description

A kind of controllable connector of children's high-frequency jet ventilation machine

Technical field

Connector technical field is the utility model is related to, particularly a kind of controllable connector of children's high-frequency jet ventilation machine.

Background technology

Injury of lungs caused by lung ventilator is the most important complication of mechanical ventilation, and its incidence accounts for the 0.5% of mechanical ventilation ~39%, it is clinical more typical.There is research to confirm, when Failure Treated with Mechanical Ventilation acute respiratory distress integrates (ARDS), use The Mechanical Ventilation Modes of Low tidal volume joint end-expiratory positive pressure (PEEP) are lung protective ventilation, can mitigate lung ventilator correlation Property injury of lungs.Zoopery is carried out with small dragon of the later Chao Dynasty etc. and points out that this ventilating mode easily causes a part of alveolar collapse, is influenceed Gas exchanges, propose that repeatedly lung recruitment joint lung protective strategies can further mitigate ARDS lung injury in rabbits, its mechanism and suppression Lung tissue inflammatory reaction processed is relevant, it was demonstrated that excessive tidal volume is one of an important factor for causing pulmonary lesion.And high-frequency ventilation (HFV) neonatal treatment is widely used to, its difference maximum with Conventional ventilation (CMV) is high ventilatory frequency and low tide Tolerance, using high-frequency jet ventilation, up to effective alveolar gas exchange, because it is applied under airway open, therefore to circulatory function Interference is slight, and air flue is relatively low will not to occur wind-contusion, and retains autonomous respiration during high-frequency jet ventilation, and encompassing property is preferable, nobody The misgivings of machine confrontation.But high-frequency ventilation with air flue and combines Rigid bronchoscope use, because low tidal volumes, low airway pressure are easy Cause alveolar collapse.At present, it is domestic to there is no the jet ventilation machine listing for meeting hard mirror Opening Ventilation application standard, use Jiang Xinan The high frequency jet ventilator of prosperous production replaces.The problems such as being mismatched due to injection insufficient pressure and interface, the country makes under hard mirror With being often difficult to maintain normal blood oxygen during high-frequency ventilation, and CO2 retentions be present, it is sometimes desirable to remove high frequency jet ventilator changing-over Anesthesia machine, gimmick control breathing is quickly oxygenated by Anesthesia machine.

Utility model content

Goal of the invention of the present utility model is, in view of the above-mentioned problems, providing a kind of controllable company of children's high-frequency jet ventilation machine Joint, to solve anesthetist to this problem of the respiratory nursing of infant in cleft lip operation, it is important to enter to ventilating joint Row is improved, and specific steam vent size and length are determined by simulated lung test, is set to the hemicompact enclosed of controllable size exhaust Breathing circuit, make steam vent controllable in the range of steam vent 20%-100%, make the breathing of infant in the reconstructive surgery of harelip Management effect greatly improves.Fundamentally solve infant in art to occur needing disengaging children's high frequency to lead to when respiration inhibition or pause Mechanism of qi carries out the shortcomings that assisted ventilation or artificial ventilation, shortens infant hypoxic exposure, is provided preferably for the safety of infant life Ensure.

To reach above-mentioned purpose, technical scheme is used by the utility model：

A kind of controllable connector of children's high-frequency jet ventilation machine, including：

Main component, including connected the first main part and the second main part, the first main part and the second main part It is hollow structure among point, and the second main part is tubular structure；Set between first main part and the second main part Between be provided with circular step, the second main part is located among circular step；First main part is with respect to the second main part One end since childhood high-frequency ventilation machine jet ventilation pipe insert port and since childhood high-frequency ventilation machine pressure-measuring pipe insert port be set, second The steam vent of radially insertion is provided with the middle part of main part, the second main part is opening knot with respect to one end of the first main part Structure；Multiple inserting grooves are along the circumferential direction uniformly arranged on the outside of hatch frame, inserting groove is provided with puts down with the open end of hatch frame Neat interface；

Sleeve, sleeve is hollow along its axis, and is correspondingly enclosed on outside the second main part and is sealed with the second main part and slided Dynamic fitting；Fitting circular step is slided in sleeve one end, and the other end is less than the open end of hatch frame；Set in the sleeve lateral wall There are the adjustment hole radially penetrated, the regulation hole site and steam vent position correspondence；

Bottom, its one end are provided with the groove of corresponding second main part overall diameter size, and groove inside circumference sets corresponding The projection of inserting groove, the projection correspondingly insert inserting groove from the interface and make bottom at the main part of clamping second, bottom Lid is relative with sleeve end face to slide fitting；The bottom other end is provided with insertion groove and the venthole for connecting tracheal catheter.

The respiratory nursing of general anesthesia infant is mostly that Mechanical course breathing or children's high-frequency ventilation control breathe in children's art at present, To mitigate injury of lungs degree caused by above two ventilating mode, this programme is when using high-frequency jet ventilation machine, steam vent energy Reach controllable hemicompact enclosed ventilation, each group PIP index is monitored after ventilation and is drawn, controllable hemicompact enclosed high frequency jet Ventilation can reach certain PIP, and this pressure is between air flue caused by normal frequency breathing machine ventilation and high-frequency jet ventilation Between peak pressure, effectively prevention air pressure injures the injury of lungs such as lung atrophy to a certain extent.Especially children lung development is not complete It is kind, it is too high to cause children's injury of lungs with too low PIP, and controllable hemicompact enclosed ventilating joint, in high frequency jet Under ventilating mode, just certain PIP can be formed.

Preferably, the adjustment hole include size is identical, is the first adjustment hole and the second adjustment hole of triangle, first Adjustment hole and the second regulation hole site relative sleeve are radially arranged and connected.First adjustment hole and the second adjustment hole are with phase Same is circumferentially disposed.

Preferably, first adjustment hole and the second adjustment hole are equilateral triangle, and one right-angle side corresponds to relative sleeve End face is parallel, another right-angle side relative sleeve diameter parallel；First adjustment hole and the second adjustment hole relative sleeve axisymmetrical.

Preferably, the steam vent is rectangular configuration, and the height of steam vent is less than the height of adjustment hole, and its width, which is less than, to be adjusted The width of knothole.

Preferably, the sleeve rotates relative to main component and correspondingly connects steam vent by adjustment hole so that steam vent exists Adjusted in its 20%-100% openings of sizes.

Preferably, the inserting groove includes the opening of the inserting paragraph and fastening portion communicated, the inserting paragraph and hatch frame End face is vertical, and is provided with the interface concordant with the open end of hatch frame；The fastening portion is circumferential along the second main part Set, and the open end of opposed open structure tilts upward.

Preferably, the projection on the inserting groove and bottom of the main component can replace setting.

Preferably, first main part is columnar structured that it is coaxially set simultaneously integrally with the second main part Shaping, the diameter of the first main part are more than the diameter of the second main part；First main part is with respect to the second master One end of body portion is provided for the outlet interface of infant's respiration pipe.

Preferably, the inserting groove, which is replaced by the outside of hatch frame, sets external thread structure, and the projection, which is replaced by, to be located at Bottom groove inner side and female thread structure corresponding with the external thread structure.

Preferably, second body portion outer side is provided for opening the quarter of size through adjustment hole observation steam vent Degree.By more accurately facilitating when the regulation of the scale user of setting.

Due to being had the advantages that using above-mentioned technical proposal, the utility model：

1. the utility model is improved to children's high-frequency ventilation machine joint for respiratory device, partly closing for controllable size exhaust is formed Formula high-frequency jet ventilation pattern, the respiratory nursing effect of infant greatly improves in art, fundamentally solves infant in art and occurs Anoxic needs to depart from children's high-frequency ventilation machine reconnection infant's respiration machine progress assisted ventilation or people when respiration inhibition or pause The shortcomings that industry control system is ventilated, shorten the anesthesia recovery time.

Compared with the Unilateral Cleft Lip Repair ventilatory effect that conventional high-frequency ventilation is carried out, infant carbon dioxide retention is reduced, is carried The high life security of infant anesthetic stage.

Compared with Conventional ventilation pattern：As a result show, after being anesthetized under the conditions of no spontaneous breathing, hemicompact enclosed high-frequency spray Relatively low airway pressure can be kept by penetrating under ventilating mode, eliminate the misgivings of air pressure injury of lungs and man-machine confrontation.And exhaled at two kinds After suction machine is ventilated 30 minutes, Results of Blood-gas shows, can reach higher PO2 under hemicompact enclosed high-frequency jet ventilation pattern (mmHg), illustrate that ventilatory effect is more preferable.

2. the utility model passes through zoopery and clinical pediatric anesthesia Experimental comparison, the hemicompact enclosed of controllable size exhaust High-frequency jet ventilation reaches the PIP for being stable at 1.0Kpa pressure.This high-frequency ventilation pattern contrasts Conventional ventilation (CMV) mould Formula is advantageous in that：

1) there are high ventilatory frequency and low tidal volumes, seldom cause wind-contusion and seldom hinder the failures such as circulating reflux, and Excessive tidal volume is considered as one of an important factor for causing pulmonary lesion always；

2) high-frequency jet ventilation is used, reaches stable PIP, and intrathoracic pressure is influenceed slightly, also to disturb circulation Slightly；

3) when autonomous respiration recovers, encompassing property is preferable for high-frequency jet ventilation, the phenomenon of unmanned plane confrontation.

Brief description of the drawings

Fig. 1 is the utility model assembling structure schematic diagram.

Fig. 2 is structural representation after the utility model assembling.

Fig. 3 is the structural representation of the utility model main component embodiment 1.

Fig. 4 is the structural representation of the utility model main component embodiment 2.

Fig. 5 is the structural representation of the utility model main component embodiment 1.

Fig. 6 is the structural representation of the utility model main component embodiment 2.

In accompanying drawing, 1- main components, the main parts of 11- first, the main parts of 12- second, 13- circular steps, 14- breather pipes Insert port, 15- pressure-measuring pipes insert port, 121- steam vents, 122- hatch frames, 123- inserting grooves, 2- sleeves, 21- adjustment holes, 3- Bottom, 31- grooves, 32- are raised, 33- ventholes.

Embodiment

Further illustrated below in conjunction with specific implementation of the accompanying drawing to utility model.

As shown in Figure 1, Figure 2, it is the utility model embodiment 1 shown in Fig. 3 and Fig. 5, the connector includes main component 1, sleeve 2 With bottom 3.

Main component 1, including connected the first main part 11 and the second main part 12, and the first main part 11 and the Two main parts 12 are hollow tubular structure, and its intracavity diameter is equal.First main part 11 and the second main part 12 It is coaxially set and is integrally formed, the diameter of the first main part 11 is equal to the diameter of the second main part 12.The The circular step 13 of projection 32, the second main part are provided between being set between one main part 11 and the second main part 12 12 among circular step 13.One end of first main part, 11 relative second main part 12 sets since childhood high-frequency ventilation Machine jet ventilation pipe insert port 14 and since childhood high-frequency ventilation machine pressure-measuring pipe insert port 15, breather pipe insert port 14 is positioned at the first master The centre position of the end of body portion 11, pressure-measuring pipe insert port 15 are located at the end edge of 14 and first main part of breather pipe insert port 11 Between edge, breather pipe insert port 14 and pressure-measuring pipe insert port 15 are the inner chambers for penetrating the first main part 11.Second main part 12 middle parts are divided to be provided with the steam vents 121 of radially insertion, one end of first main part 11 relatively of the second main part 12 is opening Structure 122.The outside of hatch frame 122 is along the circumferential direction uniformly arranged three inserting grooves 123, and inserting groove 123 is provided with and opening The concordant interface of the open end of structure 122.Inserting groove 123 includes the inserting paragraph and fastening portion communicated, inserting paragraph and opening The open end of structure 122 is vertical, and is provided with the interface concordant with the open end of hatch frame 122；Fastening portion is along second Main part 12 is circumferentially disposed, and the open end of opposed open structure 122 tilts upward.

Sleeve 2, sleeve 2 is hollow along its axis, and be correspondingly enclosed on the second main part 12 it is outer and with the second main part 12 Fitting is slided in sealing；Fitting circular step 13 is slided in the one end of sleeve 2, and the other end is less than the open end of hatch frame 122.Sleeve 2 side walls are provided with the adjustment hole 21 of radially insertion, the position of adjustment hole 21 and the position correspondence of steam vent 121.

Bottom 3, its one end are provided with the groove 31 of the corresponding overall diameter size of second main part 12, and the inside circumference of groove 31 is set The projection 32 of corresponding inserting groove 123 is put, projection 32 correspondingly inserts inserting groove 123 from interface and bottom 3 is led in clamping second Body portion 12, bottom 3 is relative with the end face of sleeve 2 to slide fitting.The other end of bottom 3 is provided with insertion groove and led for connecting tracheae The venthole 33 of pipe.It is rotary clamping between bottom 3 and main component 1, is easy for installation and removal, safeguards, in the situation of facing a danger When, quickly bottom 3 can be dismantled, and sleeve 2 is departed from main component 1；This is that threaded connection and other connected modes can not reach Arrive.Meanwhile regulate adjustment hole 21 and the position of steam vent 121 in sleeve 2, i.e., after steam vent 121 is vented size, one can be entered Step rotation bottom 3 so that bottom 3 further contacts with sleeve 2, is fixed so that sleeve 2 is realized.

Wherein, steam vent 121 is rectangular configuration, and the height of steam vent 121 is less than the height of adjustment hole 21, and its width is less than The width of adjustment hole 21.Adjustment hole 21 includes that size is identical, is the first adjustment hole 21 and the second adjustment hole 21 of triangle, and the One adjustment hole 21 and the position relative sleeve 2 of the second adjustment hole 21 are radially arranged and connected.First adjustment hole 21 and the second regulation Hole 21 is circumferentially disposed with identical.Further, the first adjustment hole 21 and the second adjustment hole 21 are equilateral triangle, one It is parallel that right-angle side corresponds to the end face of relative sleeve 2, another diameter parallel of right-angle side relative sleeve 2；First adjustment hole 21 and second is adjusted The axisymmetrical of 21 relative sleeve of knothole 2.

In use, the breather pipe insert port 14 of the first main part 11 connects the breather pipe of children's high-frequency ventilation machine injection, Inputted for jet；The pressure-measuring pipe insert port 15 of first main part 11 connects children's high-frequency ventilation machine pressure-measuring pipe, for measuring By PIP in this connector, ensure suitable PIP output；The venthole of bottom 3 is connected to the tracheae of children Conduit.Installation process, sleeve 2 is inserted in the second main part 12 of main component 1, and is clamped on the second main part using sleeve 2 Points 12 hatch frame 122, now sleeve 2 be slidingly sealed fitting with respect to the second main part 12, and with circular step 13, bottom 3 slide fitting；So sleeve 2 can rotate relative to main component 1, and steam vent 121 and adjustment hole 21 are also heavy in rotary course Close or stagger, realize to being adjusted in the openings of sizes of steam vent 121；Continue rotation bottom after completing to adjust to tighten, locking exhaust The openings of sizes of hole 121.But need to know in following guarantee ventilation to infant's respiration safety, here can not be by steam vent 100% closure is, it is necessary at least ensure to rotate regardless of sleeve 2, the openings of sizes of steam vent 121 at least 20%；Here set The width size for putting the rectangular configuration of steam vent 121 is more than the overall diameter size of half sleeve 2；Positive the three of adjustment hole 21 simultaneously Angular, its height is more than the height of adjustment hole 21, and its width is more than the width of adjustment hole 21.So, ensure that sleeve 2 can not be complete It is complete to block steam vent 121, and regulation is realized using the adjustment hole 21 of equilateral triangle, the big minor adjustment line of steam vent 121 can be made Property is more smooth, and modulability is better.Meanwhile the adjustment hole 21 of equilateral triangle also has the function that size instruction, is easy to observe Regulation.Specifically, sleeve 2 rotates relative to main component 1 and by the corresponding connection steam vent 121 of adjustment hole 21 so that steam vent 121 Adjusted in its 20%-100% openings of sizes.The outside of second main part 12 is provided for observing steam vent through adjustment hole 21 121 open the scale of size.By more accurately facilitating when the regulation of the scale user of setting.

According to different crowd or service condition, PIP size steam vent 121 can also be set to be open greatly as needed Small middle adjustable range is arranged on its 30%-90%, 40-100%, 50-100%, 60-100% or 20-90% etc..

To be mixed into dust during reduction children or being mixed with the air of pathogen, air mistake can be set on adjustment hole 21 Filter screen, while the spraying sterilization coating in the inner chamber of main component 1.The particle dust that airstrainer can be crossed in air filtering, sterilization Coating can effectively suppress bacteria breed, ensure ventilation quality.

It is the utility model embodiment 2 as shown in figure Fig. 4 and Fig. 6.Main component, including the first connected main part and Second main part, and the first main part and the second main part are hollow tubular structure.First main part and the Two main parts are coaxially set and are integrally formed, and the diameter of the first main part is big more than the diameter of the second main part It is small.First main part is arranged among first main part one end, and forms ring-shaped step.First main part is with respect to second One end of main part sets since childhood high-frequency ventilation machine jet ventilation pipe insert port and since childhood high-frequency ventilation machine pressure-measuring pipe is inserted Entrance, or can also be the interface of going out with interface.Breather pipe insert port is located at the centre position of the first body portions end, Pressure-measuring pipe insert port is located between breather pipe insert port and the first body portions end edge, and breather pipe insert port and pressure-measuring pipe are inserted Entrance is the inner chamber for penetrating the first main part.The steam vent of radially insertion, the second main body are provided with the middle part of second main part One end of relative first main part in part is hatch frame.Along the circumferential direction be uniformly arranged on the outside of the hatch frame three it is convex Rise.

Bottom, its one end are provided with the groove of corresponding second main part overall diameter size, and groove inside circumference sets corresponding Inserting groove, inserting groove include the inserting paragraph and fastening portion that communicate, and inserting paragraph is vertical with the open end of hatch frame, and provided with The concordant interface in bottom upper surface；Fastening portion is circumferentially disposed along groove, and relative bottom upper surface is diagonally downward.Main component is convex Rise and inserting groove is correspondingly inserted from interface and makes bottom bottom is relative with sleeve end face to slide patch in the main part of clamping second Close.The bottom other end is provided with insertion groove and the venthole for connecting tracheal catheter.

Certainly, this can also be replaced by the outside of hatch frame using inserting groove and set external thread structure to different situations, convex Rise and be replaced by positioned at bottom groove inner side and female thread structure corresponding with the external thread structure.So, bottom and main component are Threaded connection.

The respiratory nursing of general anesthesia infant is mostly that Mechanical course breathing or children's high-frequency ventilation control breathe in children's art at present, To mitigate injury of lungs degree caused by above two ventilating mode, this programme is when using high-frequency jet ventilation machine, steam vent energy Reach controllable hemicompact enclosed ventilation, each group PIP index is monitored after ventilation and is drawn, controllable hemicompact enclosed high frequency jet Ventilation can reach certain PIP, and this pressure is between air flue caused by normal frequency breathing machine ventilation and high-frequency jet ventilation Between peak pressure, effectively prevention air pressure injures the injury of lungs such as lung atrophy to a certain extent.Especially children lung development is not complete It is kind, it is too high to cause children's injury of lungs with too low PIP, and controllable hemicompact enclosed ventilating joint, in high frequency jet Under ventilating mode, just certain PIP can be formed.Especially no perfect, the too high and too low air flue peak of children lung development Children's injury of lungs can be caused by pressing, and the hemicompact enclosed ventilating joint of controllable size exhaust, can be in former steam vent 20%-100% In the range of it is controllable, under high-frequency jet ventilation pattern, just can form certain PIP.This group of result of study shows, hemicompact Relatively low PIP can be kept under enclosed high-frequency jet ventilation pattern, eliminates the misgivings of wind-contusion；And lead to high frequency jet Gas pattern is prompted effectively prevent lung atrophy to a certain extent compared to that can keep certain PIP.

Described above is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to Patent claim of the present utility model, the equal change or modification completed under the technical spirit suggested by all the utility model Change, all should belong to the utility model and cover the scope of the claims.

Claims (10)

1. A kind of 1. controllable connector of children's high-frequency jet ventilation machine, it is characterised in that including：

   Main component, including connected the first main part and the second main part, in the first main part and the second main part Between be hollow structure, and the second main part is tubular structure；Between being set between first main part and the second main part Circular step is provided with, the second main part is located among circular step；One of first main part with respect to the second main part End sets since childhood high-frequency ventilation machine jet ventilation pipe insert port and since childhood high-frequency ventilation machine pressure-measuring pipe insert port, the second main body Part middle part is provided with the steam vent of radially insertion, and the second main part is hatch frame with respect to one end of the first main part；Open Multiple inserting grooves are along the circumferential direction uniformly arranged on the outside of mouth structure, inserting groove is provided with concordant with the open end of hatch frame insert Interface；

   Sleeve, sleeve is hollow along its axis, and is correspondingly enclosed on outside the second main part and is sealed with the second main part and slide patch Close；Fitting circular step is slided in sleeve one end, and the other end is less than the open end of hatch frame；The sleeve lateral wall is provided with footpath To the adjustment hole of insertion, the regulation hole site and steam vent position correspondence；

   Bottom, its one end are provided with the groove of corresponding second main part overall diameter size, and groove inside circumference sets corresponding grafting The projection of groove, the projection correspondingly insert inserting groove from the interface and make bottom in the main part of clamping second, bottom with Sleeve end face is relative to slide fitting；The bottom other end is provided with insertion groove and the venthole for connecting tracheal catheter.
2. A kind of 2. controllable connector of children's high-frequency jet ventilation machine according to claim 1, it is characterised in that：The regulation Hole include size is identical, is the first adjustment hole and the second adjustment hole of triangle, the first adjustment hole and second regulation hole site Relative sleeve is radially arranged and connected.
3. A kind of 3. controllable connector of children's high-frequency jet ventilation machine according to claim 2, it is characterised in that：Described first Adjustment hole and the second adjustment hole are equilateral triangle, and one right-angle side corresponds to that relative sleeve end face is parallel, and another right-angle side is relative Sleeve axis are parallel；First adjustment hole and the second adjustment hole relative sleeve axisymmetrical.
4. A kind of 4. controllable connector of children's high-frequency jet ventilation machine according to claim 1, it is characterised in that：The exhaust Hole is rectangular configuration, and the height of steam vent is less than the height of adjustment hole, and its width is less than the width of adjustment hole.
5. A kind of 5. controllable connector of children's high-frequency jet ventilation machine according to claim 1, it is characterised in that：The sleeve Rotated relative to main component and steam vent is correspondingly connected by adjustment hole so that steam vent is adjusted in its 20%-100% openings of sizes Section.
6. A kind of 6. controllable connector of children's high-frequency jet ventilation machine according to claim 1, it is characterised in that：The grafting Groove includes the inserting paragraph and fastening portion communicated, and the inserting paragraph is vertical with the open end of hatch frame, and is provided with and opening knot The concordant interface of the open end of structure；The fastening portion is circumferentially disposed along the second main part, and opposed open structure is opened Mouth end slope is upward.
7. A kind of 7. controllable connector of children's high-frequency jet ventilation machine according to claim 1, it is characterised in that：The main body Projection on the inserting groove and bottom of part can replace setting.
8. A kind of 8. controllable connector of children's high-frequency jet ventilation machine according to claim 1, it is characterised in that：Described first Main part is columnar structured, and it is coaxially set and be integrally formed with the second main part, the diameter of the first main part Size is more than the diameter of the second main part；First main part is provided for children with respect to one end of the second main part The outlet interface of respiratory siphon.
9. A kind of 9. controllable connector of children's high-frequency jet ventilation machine according to claim 1, it is characterised in that：The grafting Groove, which is replaced by the outside of hatch frame, sets external thread structure, the projection be replaced by the inside of bottom groove and with the external screw thread Female thread structure corresponding to structure.
10. A kind of 10. controllable connector of children's high-frequency jet ventilation machine according to claim 1, it is characterised in that：Described Two body portion outer sides are provided for opening the scale of size through adjustment hole observation steam vent.