CN106669002A - Controllable children's high-frequency jet ventilator connector - Google Patents
Controllable children's high-frequency jet ventilator connector Download PDFInfo
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- CN106669002A CN106669002A CN201611166187.8A CN201611166187A CN106669002A CN 106669002 A CN106669002 A CN 106669002A CN 201611166187 A CN201611166187 A CN 201611166187A CN 106669002 A CN106669002 A CN 106669002A
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- main part
- high frequency
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- adjustment hole
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0875—Connecting tubes
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a controllable children's high-frequency jet ventilator connector and belongs to the technical field of connectors. The controllable children's high-frequency jet ventilator connector comprises a connector body and a sleeve, wherein the connector body is composed of a first connector body and a second connector body which are connected with each other; a hollow structure is formed between the first connector body and the second connector body; one end of the first connector body is provided with a ventilating pipe insert port, the middle of the second connector body is provided with radially-communicated ventilating holes, and one end of the second connector body, which is opposite to the first connector body, is in an opening structure; the outside of the opening structure is circumferentially uniformly provided with a plurality of inserting slots; the sleeve correspondingly sleeves the second connector body and is in sealed sliding adhesion to the second connector body; the side wall of the sleeve is provided with radially-communicated adjusting holes which correspond to the ventilating holes in position; a bottom cover clamps the second connector body and is in opposite sliding adhesion to the end surface of the sleeve; one end of the bottom cover is provided with an outlet hole communicated with the second connector body. According to the controllable children's high-frequency jet ventilator connector, by means of a semi-closed breathing loop which can control ventilation volume, breathing management effects can be greatly improved.
Description
Technical field
The present invention relates to union joint technical field, the controllable union joint of particularly a kind of children's high frequency jet ventilation machine.
Background technology
The injury of lung that respirator causes is the most important complication of mechanical ventilation, and its incidence rate 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 comprehensive (ARDS), use
The Mechanical Ventilation Modes of Low tidal volume joint end expiratory positive pressure (PEEP) are lung protective ventilation, can mitigate respirator related
Property injury of lung.Zoopery is carried out with little dragon of the later Chao Dynasty etc. to point out, this ventilating mode is easily caused a part of alveolar collapse, affect
Gas exchange, proposes 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 the key 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 windage, and retains autonomous respiration during high frequency jet ventilation, and encompassing property is preferable, nobody
The misgivings of machine antagonism.But high frequency ventilation is used with air flue and with reference to Rigid bronchoscope, due to low tidal volumes, low airway pressure it is easy
Cause alveolar collapse.At present, the country 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.Because the problems such as injection pressure is not enough and interface is mismatched, the country makes under hard mirror
With being often difficult to maintain normal blood oxygen during high frequency ventilation, and there is CO2 retentions, it is sometimes desirable to remove high frequency jet ventilator changing-over
Anesthetic machine, by the quick oxygenation maneuver control breathing of anesthetic machine.
The content of the invention
The goal of the invention of the present invention is, for the problems referred to above, there is provided a kind of controllable union joint of children's high frequency jet ventilation machine,
To solve anaesthetist to this difficult problem of the respiratory nursing of infant in cleft lip operation, it is important to which ventilating joint is changed
Enter, concrete steam vent size and length are determined by test lung test, be set to the hemicompact enclosed breathing of controllable size aerofluxuss
Loop, makes steam vent controllable in the range of steam vent 20%-100%, makes the respiratory nursing of infant in the reconstructive surgery of chapped lip
Effect is greatly improved.Fundamentally solve infant in art respiration inhibition occur or need to depart from children's high frequency ventilation machine when suspending
The shortcoming of assisted ventilation or artificial ventilation is carried out, shortens infant hypoxic exposure, be that safely providing for infant life preferably ensures.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of controllable union joint of children's high frequency jet ventilation machine, including：
Main component, including the first connected main part and the second main part, the first main part and the second main part
It is hollow structure in the middle of point, and the second main part is tubular structure；Arrange between first main part and the second main part
Between be provided with circular step, the second main part is located in the middle of 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
Main part middle part is provided with the steam vent of radial direction insertion, and the second main part is opening knot with respect to one end of the first main part
Structure；Hatch frame outside is along the circumferential direction uniformly arranged multiple inserting grooves, and inserting groove is provided with puts down with the open end of hatch frame
Neat interface；
Sleeve, sleeve is hollow along its axis, and correspondence is enclosed within outside the second main part and slides with the sealing of the second main part
Dynamic laminating；Slide laminating circular step for sleeve one end, open end of the other end less than hatch frame；Set in the sleeve lateral wall
There is the adjustment hole of radial direction insertion, the regulation hole site is corresponding with aerofluxuss hole site；
Bottom, its one end is provided with the groove of the second main part overall diameter size of correspondence, and groove inside circumference arranges correspondence
The projection of inserting groove, the projection is from interface correspondence insertion inserting groove and makes bottom at the main part of clamping second, bottom
Lid laminating of sliding relative with sleeve end face；The bottom other end is provided with insertion groove and the venthole for connecting endotracheal tube.
At present the respiratory nursing of general anesthesia infant mostly is Mechanical course breathing or children's high frequency ventilation control breathing in children's art,
To mitigate the injury of lung degree that above two ventilating mode is produced, this programme when using high frequency jet ventilation machine, steam vent energy
Controllable hemicompact enclosed ventilation is reached, each group PIP index is monitored after ventilation and is drawn, controllable hemicompact enclosed high frequency jet
Ventilation can reach certain PIP, the air flue that this pressure is produced between normal frequency breathing machine ventilation and high frequency jet ventilation
Between peak pressure, air pressure is effectively prevented to injure the injury of lung such as lung atrophy to a certain extent.Especially children pulmonary development is not complete
It is kind, it is too high to cause children's injury of lung 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 includes that size is identical, be 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 connect.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, one right-angle side correspondence 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 is less than tune
The width of knothole.
Preferably, the sleeve rotates and by adjustment hole correspondence connection steam vent relative to main component so that steam vent exists
Adjust in its 20%-100% openings of sizes.
Preferably, the inserting groove includes the opening of inserting paragraph and the fastening portion for communicating, 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 along the second main part circumference
Arrange, and the open end of opposed open structure is tilted upward.
Preferably, the projection on the inserting groove and bottom of the main component can replace setting.
Preferably, first main part is columnar structured, and it is coaxially set and one with the second main part
Molding, the diameter of the first main part is 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 is replaced by hatch frame outside and arranges external thread structure, and the projection is replaced by and is 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 observing the quarter that steam vent opens size through adjustment hole
Degree.By arrange scale user regulation when more accurately facilitate.
Due to adopting above-mentioned technical proposal, the invention has the advantages that：
1. the present invention is improved to children's high frequency ventilation machine joint for respiratory device, and the hemicompact enclosed for forming controllable size aerofluxuss is high
Frequency jet ventilation pattern, the respiratory nursing effect of infant is greatly improved in art, is fundamentally solved infant in art and breathing is occurred
Anoxia needs disengaging children's high frequency ventilation machine to reconnect infant's respiration machine when suppressing or suspending carries out assisted ventilation or people's industry control
The shortcoming of system ventilation, shortens 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, carried
The high life security of infant anesthetic stage.
Compare with Conventional ventilation pattern：As a result show, after being anesthetized under the conditions of no spontaneous breathing, hemicompact enclosed high-frequency spray
Penetrating under ventilating mode can keep relatively low airway pressure, eliminate the misgivings of air pressure injury of lung and man-machine confrontation.And exhale at two kinds
After suction machine is ventilated 30 minutes, Results of Blood-gas shows, under hemicompact enclosed high frequency jet ventilation pattern higher PO2 can be reached
(mmHg), illustrate that ventilatory effect is more preferable.
2. the present invention is by zoopery and clinical pediatric anesthesia Experimental comparison, the hemicompact enclosed high frequency of controllable size aerofluxuss
Jet ventilation reaches the PIP for being stable at 1.0Kpa pressure.This high frequency ventilation pattern contrast Conventional ventilation (CMV) pattern is excellent
More property is：
1) with high ventilatory frequency and low tidal volumes, seldom cause windage and seldom hinder the failures such as circulating reflux, and
Excessive tidal volume is considered as always one of the key factor for causing pulmonary lesion；
2) high frequency jet ventilation is used, reaches stable PIP, and slight is affected on intrathoracic pressure, also to circulation interference
Slightly；
3) high frequency jet ventilation is when autonomous respiration recovers, and encompassing property is preferable, the phenomenon of unmanned plane antagonism.
Description of the drawings
Fig. 1 is assembling structure schematic diagram of the present invention.
Fig. 2 is structural representation after present invention assembling.
Fig. 3 is the structural representation of main component embodiment 1 of the present invention.
Fig. 4 is the structural representation of main component embodiment 2 of the present invention.
Fig. 5 is the structural representation of main component embodiment 1 of the present invention.
Fig. 6 is the structural representation of main component embodiment 2 of the present invention.
In accompanying drawing, 1- main components, the main parts of 11- first, the main parts of 12- second, 13- circular steps, 14- breathers
Insert port, 15- pressure-measuring pipe insert ports, 121- steam vents, 122- hatch frames, 123- inserting grooves, 2- sleeves, 21- adjustment holes, 3-
Bottom, 31- grooves, 32- are raised, 33- ventholes.
Specific embodiment
Below in conjunction with accompanying drawing to invention be embodied as further illustrate.
As shown in Figure 1, Figure 2, it is the embodiment of the present invention 1 shown in Fig. 3 and Fig. 5, the union joint includes main component 1, sleeve 2 and bottom
Lid 3.
Main component 1, including the first connected main part 11 and the second main part 12, and the first main part 11 and
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
Raised 32 circular step 13, the second main part are provided between arranging between one main part 11 and the second main part 12
12 are located in the middle of circular step 13.One end of relative second main part 12 of first main part 11 arranges 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 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 is located at the end edge of 14 and first main part of breather insert port 11
Between edge, breather insert port 14 and pressure-measuring pipe insert port 15 are the inner chambers of the first main part of insertion 11.Second main part
12 middle parts are divided to be provided with the steam vent 121 of radial direction insertion, one end of relative first main part 11 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 inserting paragraph and fastening portion, inserting paragraph and the opening for communicating
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 is tilted upward.
Sleeve 2, sleeve 2 is hollow along its axis, and correspondence be enclosed within the second main part 12 it is outer and with the second main part 12
Sealing is slided and is fitted；Slide the one end of sleeve 2 laminating circular step 13, open end of the other end less than hatch frame 122.Sleeve
2 side walls are provided with the adjustment hole 21 of radial direction insertion, and the position of adjustment hole 21 is corresponding with the position of steam vent 121.
Bottom 3, its one end is provided with the groove 31 of the correspondence overall diameter size of the second main part 12, and the inside circumference of groove 31 sets
The projection 32 of correspondence inserting groove 123 is put, raised 32 insert inserting groove 123 and bottom 3 is led in clamping second from interface correspondence
Body portion 12, the laminating of sliding relative with the end face of sleeve 2 of bottom 3.The other end of bottom 3 is provided with insertion groove and leads for connecting trachea
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 make sleeve 2 depart from main component 1；This is that threaded connection and other connected modes cannot reach
Arrive.Meanwhile, after sleeve 2 regulates adjustment hole 21 and the position of steam vent 121, i.e. the aerofluxuss size of steam vent 121, one can be entered
Step rotation bottom 3 so that bottom 3 is further contacted with sleeve 2, so that sleeve 2 is realized fixing.
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, be first adjustment hole 21 and the second adjustment hole 21 of triangle, the
One adjustment hole 21 and the position relative sleeve 2 of the second adjustment hole 21 are radially arranged and connect.First adjustment hole 21 and second is adjusted
Hole 21 is circumferentially disposed with identical.Further, the first adjustment hole 21 and the second adjustment hole 21 are equilateral triangle, one
The right-angle side correspondence end face of relative sleeve 2 is parallel, 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.
When using, the breather of the connection children's high frequency ventilation machine injection of breather insert port 14 of the first main part 11,
For jet input；The connection children's high frequency ventilation machine pressure-measuring pipe of pressure-measuring pipe insert port 15 of the first main part 11, for measuring
By PIP in this union joint, it is ensured that suitable PIP output；The venthole of bottom 3 is connected to the trachea of children
Conduit.Installation process, by sleeve 2 the second main part 12 of main component 1 is inserted in, and is clamped on the second main part using sleeve 2
Points 12 hatch frame 122, now relative second main part 12 of sleeve 2 be slidingly sealed laminating, and with circular step 13, bottom
3 slide fits；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 adjusting in the openings of sizes of steam vent 121；Continue rotation bottom after completing to adjust to tighten, lock aerofluxuss
The openings of sizes of hole 121.However it is necessary that know in following guarantee ventilation to infant's respiration safety, here can not be by steam vent
100% closure, needs at least to ensure how 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 1/2nd sleeve 2；While positive the three of adjustment hole 21
Angular, it is highly more than the height of adjustment hole 21, width of its width more than adjustment hole 21.So, it is ensured that sleeve 2 can not be complete
Steam vent 121 is blocked entirely, and the adjustment hole 21 using equilateral triangle is realized adjusting, and can make the size adjustment line of steam vent 121
Property is more smoothed, and modulability is better.Meanwhile, the adjustment hole 21 of equilateral triangle also has the effect of size instruction, is easy to observation
Adjust.Specifically, sleeve 2 rotates and by the correspondence connection steam vent 121 of adjustment hole 21 relative to main component 1 so that steam vent 121
Adjust 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 scales for opening size.By arrange scale user regulation when more accurately facilitate.
According to different crowd or service condition, it is also possible to which as needed PIP size arranges steam vent 121 and is open greatly
Little middle range of accommodation is arranged on its 30%-90%, 40-100%, 50-100%, 60-100% or 20-90% etc..
Dust being mixed into during to reduce 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 granule dust that airstrainer can be crossed in air filtering, sterilization
Coating can effectively suppress bacteria breed, it is ensured that ventilation quality.
It is the embodiment of the present invention 2 as shown in figure Fig. 4 and Fig. 6.Main component, including connected the first 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 second master
Body portion is coaxially set and is integrally formed, and the diameter of the first main part is more than the diameter of the second main part.
First main part is arranged in the middle of first main part one end, and forms ring-shaped step.First main part is with respect to the second master
One end of body portion arranges since childhood high frequency ventilation machine jet ventilation pipe insert port and the since childhood insertion of high frequency ventilation machine pressure-measuring pipe
Mouthful, or can also be the interface of going out with interface.Breather insert port is located at the centre position of the first body portions end, surveys
Pressure pipe insert port is located between breather insert port and the first body portions end edge, and breather insert port and pressure-measuring pipe are inserted
Mouth is the inner chamber of the main part of insertion first.Second main part middle part is provided with the steam vent of radial direction insertion, the second main part
Split-phase is hatch frame to one end of the first main part.The hatch frame outside is along the circumferential direction uniformly arranged three projections.
Bottom, its one end is provided with the groove of the second main part overall diameter size of correspondence, and groove inside circumference arranges correspondence
Inserting groove, inserting groove includes the inserting paragraph that communicates and fastening portion, and inserting paragraph is vertical with the open end of hatch frame, and be 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 from interface correspondence insertion inserting groove and make bottom in the main part of clamping second, bottom patch of sliding relative with sleeve end face
Close.The bottom other end is provided with insertion groove and the venthole for connecting endotracheal tube.
Certainly, this is to different situations, it is also possible to is replaced by hatch frame outside using inserting groove and arranges external thread structure, 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.
At present the respiratory nursing of general anesthesia infant mostly is Mechanical course breathing or children's high frequency ventilation control breathing in children's art,
To mitigate the injury of lung degree that above two ventilating mode is produced, this programme when using high frequency jet ventilation machine, steam vent energy
Controllable hemicompact enclosed ventilation is reached, each group PIP index is monitored after ventilation and is drawn, controllable hemicompact enclosed high frequency jet
Ventilation can reach certain PIP, the air flue that this pressure is produced between normal frequency breathing machine ventilation and high frequency jet ventilation
Between peak pressure, air pressure is effectively prevented to injure the injury of lung such as lung atrophy to a certain extent.Especially children pulmonary development is not complete
It is kind, it is too high to cause children's injury of lung with too low PIP, and controllable hemicompact enclosed ventilating joint, in high frequency jet
Under ventilating mode, just certain PIP can be formed.Especially children pulmonary development is too high with too low air flue peak perfect
Pressing can cause children's injury of lung, and the hemicompact enclosed ventilating joint of controllable size aerofluxuss, 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, the misgivings of windage are eliminated；And it is logical with high frequency jet
Gas pattern is compared can keep certain PIP, point out effectively prevent lung atrophy to a certain extent.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this
Bright patent claim, the equal change completed under the technical spirit suggested by all present invention or modification change, all should belong to
Cover the scope of the claims in the present invention.
Claims (10)
1. the controllable union joint of a kind of children's high frequency jet ventilation machine, it is characterised in that include：
Main component, including the first connected 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 be tubular structure；Between arranging between first main part and the second main part
Circular step is provided with, the second main part is located in the middle of circular step；First main part with respect to the second main part one
End arranges 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 radial direction insertion, and the second main part is hatch frame with respect to one end of the first main part；Open
Mouth structure outside is along the circumferential direction uniformly arranged multiple inserting grooves, and inserting groove is provided with concordant with the open end of hatch frame inserting
Interface；
Sleeve, sleeve is hollow along its axis, and correspondence is enclosed within outside the second main part and slides with the sealing of the second main part and pastes
Close；Slide laminating circular step for sleeve one end, open end of the other end less than hatch frame；The sleeve lateral wall is provided with footpath
To the adjustment hole of insertion, the regulation hole site is corresponding with aerofluxuss hole site；
Bottom, its one end is provided with the groove of the second main part overall diameter size of correspondence, and groove inside circumference arranges correspondence grafting
The projection of groove, it is described it is raised from interface correspondence insertion inserting groove and make bottom in the main part of clamping second, bottom with
The relative laminating of sliding of sleeve end face；The bottom other end is provided with insertion groove and the venthole for connecting endotracheal tube.
2. the controllable union joint of a kind of children's high frequency jet ventilation machine according to claim 1, it is characterised in that：The regulation
Hole includes that size is identical, be first adjustment hole and the second adjustment hole of triangle, and the first adjustment hole and second adjusts hole site
Relative sleeve is radially arranged and connects.
3. the controllable union joint of a kind of children's high frequency jet ventilation machine according to claim 1, it is characterised in that：Described first
Adjustment hole and the second adjustment hole are equilateral triangle, and one right-angle side correspondence 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. the controllable union joint of a kind of children's high frequency jet ventilation machine according to claim 1, it is characterised in that：The aerofluxuss
Hole is rectangular configuration, and the height of steam vent is less than the height of adjustment hole, width of its width less than adjustment hole.
5. the controllable union joint of a kind of children's high frequency jet ventilation machine according to claim 1, it is characterised in that：The sleeve
Rotate relative to main component and by adjustment hole correspondence connection steam vent so that steam vent is adjusted in its 20%-100% openings of sizes
Section.
6. the controllable union joint of a kind of children's high frequency jet ventilation machine according to claim 1, it is characterised in that：The grafting
Groove includes inserting paragraph and the fastening portion for communicating, 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 upwards.
7. the controllable union joint of a kind 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. the controllable union joint of a kind 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 is integrally formed with the second main part, the diameter of the first main part
Diameter of the size more than 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 air tube.
9. the controllable union joint of a kind of children's high frequency jet ventilation machine according to claim 1, it is characterised in that：The grafting
Groove be replaced by hatch frame outside arrange external thread structure, the projection be replaced by positioned at bottom groove inner side and with the external screw thread
The corresponding female thread structure of structure.
10. the controllable union joint of a kind 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 observing the scale that steam vent opens size through adjustment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166187.8A CN106669002A (en) | 2016-12-16 | 2016-12-16 | Controllable children's high-frequency jet ventilator connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166187.8A CN106669002A (en) | 2016-12-16 | 2016-12-16 | Controllable children's high-frequency jet ventilator connector |
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| CN106669002A true CN106669002A (en) | 2017-05-17 |
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|---|---|---|---|
| CN201611166187.8A Pending CN106669002A (en) | 2016-12-16 | 2016-12-16 | Controllable children's high-frequency jet ventilator connector |
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| CN201001892Y (en) * | 2006-12-12 | 2008-01-09 | 杨小京 | Oxygen concentration regulator |
| CN101745168A (en) * | 2008-12-01 | 2010-06-23 | 北京谊安医疗系统股份有限公司 | Proportioning valve |
| CN102451506A (en) * | 2010-10-19 | 2012-05-16 | 袁含光 | Method and device for controlling airflow of respirator |
| CN204543174U (en) * | 2015-03-12 | 2015-08-12 | 安徽医科大学第一附属医院 | For the inhalation device with artificial airway's autonomous respiration |
| CN205125032U (en) * | 2015-04-12 | 2016-04-06 | 深圳市杰仕博科技有限公司 | Electron cigarette of adjustable inlet port |
| CN205198650U (en) * | 2015-11-24 | 2016-05-04 | 中国人民解放军总医院 | Oxygen mask |
| CN205612308U (en) * | 2016-03-24 | 2016-10-05 | 宁波格莱美厨具有限公司 | Pot cover of adjustable discharge of fumes and gas |
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