CN208031631U - Gasbag pressure instruction device - Google Patents
Gasbag pressure instruction device Download PDFInfo
- Publication number
- CN208031631U CN208031631U CN201721021016.6U CN201721021016U CN208031631U CN 208031631 U CN208031631 U CN 208031631U CN 201721021016 U CN201721021016 U CN 201721021016U CN 208031631 U CN208031631 U CN 208031631U
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- China
- Prior art keywords
- connecting portion
- outer tube
- inner sleeve
- spring
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 238000007789 sealing Methods 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 claims description 9
- 230000004323 axial length Effects 0.000 claims description 6
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Air Bags (AREA)
Abstract
The gasbag pressure instruction device of the utility model includes device body, first connecting portion and second connecting portion；Device body includes the first spring, inner sleeve, second spring and the outer tube being sequentially sleeved in an axial direction on guide rod；Inside and outside cannula tip is connected by casing roof, and first connecting portion is connected on casing roof；Second connecting portion is connected to outer tube bottom end, and outer sleeve bottom is made to form casing bottom wall；Gap is formed between inner sleeve and casing bottom wall, first connecting portion or inner sleeve inside pipe wall are equipped with the first flange, and guide rod is equipped with the second flange；First both ends of the spring is contradicted respectively on the second flange and casing bottom wall；It is arranged with axially displaceable first sealing ring between inside and outside casing, makes to be isolated into first chamber and second chamber between inside and outside casing, second spring is located at first chamber and both ends are contradicted respectively on casing roof and the first sealing ring；Outer tube side wall upper part is equipped with the first venthole, and first chamber is made to be connected to outside.
Description
Technical field
The utility model is related to medical instruments fields, and in particular to a kind of gasbag pressure instruction device.
Background technology
In such as gas channel means such as laryngeal mask, tracheal catheter, the airbag structure for blocking throat is generally included.With
For tracheal catheter operation, it is inserted into after tracheal catheter is inserted into patient throat suitable position, then by the syringe filled with air
It in check valve on tracheal catheter, is inflated into the air bag being connected to by gas tube with check valve so that the air bag envelope after inflation
Stifled patient throat.It is typically to control airbag aeration by limiting maximum aeration quantity at present, tracheae is subsequently located at by observation again
The degree of saturation of pilot balloon outside conduit is to determine whether need aerating.But air pressure instruction is easy to error occur, together
When air bag inflation largely need rely on operator's experience.
Therefore, it is necessary to a kind of simple in structure, sensitive gasbag pressure instruction devices, are carried out to the pressure in air bag accurate
True instruction.
Invention content
The purpose of this utility model is to provide a kind of gasbag pressure instruction devices, solve when the prior art is inflated to being difficult to
The problem of judging inside air bag pressure.
The purpose of this utility model is to provide a kind of gasbag pressure instruction devices, including device body, first connecting portion
And second connecting portion；The first connecting portion and second connecting portion are hollow tubular structure, and first connecting portion is filled for being connected to
Device of air, second connecting portion are used for communicated air bags；
Described device ontology includes the first spring being sequentially sleeved in an axial direction from the inside to the outside on guide rod, inner sleeve,
Two springs and outer tube；The coaxial of the inner sleeve, outer tube, first connecting portion and second connecting portion；
The inner sleeve is connected with outer tube top by casing roof, and first connecting portion is connected on casing roof；Institute
It states second connecting portion and is connected to the outer tube bottom end, and second connecting portion internal diameter is less than the outer diameter of the first spring, make described outer
Sleeve bottom forms casing bottom wall；The outer tube axial length is more than inner sleeve axial length, makes inner sleeve and casing bottom wall
Between form gap；
The first connecting portion inner cavity is connected to inner sleeve tube cavity, and the inner wall of first connecting portion or inner sleeve is equipped with along diameter
To the first flange extended inwardly, the guide rod is equipped with the second flange extended radially outward；First spring two
End is contradicted respectively on the second flange and casing bottom wall, and second flange contradicts convex first under the effect of the first spring force
Edge bottom；
Axially displaceable first sealing ring is also arranged between the inner sleeve and outer tube, make the inner sleeve and
First chamber and second chamber are isolated between outer tube, the second spring is located in first chamber, and both ends contradict respectively
On casing roof and the first sealing ring；The outer tube side wall upper part is equipped with the first venthole, make the first chamber with it is outer
Portion is connected to.
Further, on the outer tube further include transparent window for observing first sealing ring position.
Further, the transparent window is equipped with the graduation mark along outer tube radial direction, and the graduation mark is used to indicate gas
Intracapsular pressure.
Further, further include the second venthole on the outer tube, second venthole is in outer quill upward
Height is less than the height of first venthole in the axial direction；When the pressure in the air bag reaches upper limit value, in air bag
Under portion's pressure effect, the first sealing ring is moved to above the second venthole.
Further, described device further includes rigid washer, and the washer is close at the top of first sealing ring, for supporting
Touch the lower end of the second spring.
Further, first flange bottom is equipped with the second sealing ring, and second flange is made in the first spring force
With lower conflict on second sealing ring.
Further, first flange is located at the first connecting portion and inner sleeve junction.
Further, the both ends of the guide rod wear the inner cavity to the first connecting portion and second connecting portion respectively
In.
Further, the guide rod top is arranged with the air-charged cap of hollow tubular structure, and the internal diameter of the air-charged cap is big
In the guide rod outer diameter, when being inflated from the gasbag pressure instruction device to air bag using air charging system, the inflation
The inflating port of device is plugged in the air-charged cap.
It, can be real by gasbag pressure instruction device when the gasbag pressure instruction device of the utility model is connected to air bag
When, accurately monitor air bag in pressure condition；Second venthole is set in gasbag pressure instruction device, in intracapsular pressure
It, can be by the second venthole pressure release, to effectively avoid intracapsular pressure excessive when beyond upper limit value.
Description of the drawings
Fig. 1 is the structural representation of the tracheal catheter equipped with gasbag pressure instruction device in the utility model first embodiment
Figure.
Fig. 2 is the structural schematic diagram of gasbag pressure instruction device in the utility model first embodiment.
Fig. 3 is the front sectional view of gasbag pressure instruction device in the utility model first embodiment.
Fig. 4 is the partial enlarged view of location A in Fig. 3.
Fig. 5 is the main view section view into gasbag pressure instruction device when injected gas in the utility model first embodiment
Figure.
Fig. 6 is the partial enlarged view of B location in Fig. 5.
Fig. 7 is the front sectional view of gasbag pressure instruction device when gasbag pressure is more than the upper limit.
Fig. 8 is the front sectional view of gasbag pressure instruction device in the utility model second embodiment.
Fig. 9 is the explosive view of gasbag pressure instruction device in the utility model second embodiment.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Mode, the present invention will be further described in detail.
In this specification, it is to be understood that the orientation or positional relationship of the instructions such as "top", "bottom", "upper", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, rather than for limiting
Utility model device processed or component must distinctive particular orientation or position relationships.
With reference to figure 1, the utility model first embodiment provides a kind of gasbag pressure instruction dress on tracheal catheter
10 are set, in being intubated surgical procedure, after tracheal catheter is inserted into patient throat suitable position, is needed from outside patient oral cavity
The gas tube 20 in portion is inflated air bag 30；The gasbag pressure instruction device 10 of the utility model is connected on gas tube 20,
The pressure state being used to indicate in air bag 30.
As shown in Figures 2 to 4, the gasbag pressure device 10 including device body 11 and is located at device body 11
The first connecting portion 12 and second connecting portion 13 at both ends；The first connecting portion 12 and second connecting portion 13 are hollow tubular knot
Structure, the first connecting portion 12 are used for communicated air bags for being connected to air charging system, the second connecting portion 13；
Described device ontology 11 includes being sequentially sleeved at the first spring 112 on guide rod 111, interior in an axial direction from the inside to the outside
Casing 113, second spring 114 and outer tube 115；113 inner cavity of the inner sleeve, 115 inner cavity of outer tube, in first connecting portion 12
Chamber, 13 coaxial of second connecting portion；
The top of the inner sleeve 113 and outer tube 115 is connected by casing roof 121, and the first connecting portion 12 connects
It is connected on roof 121；The second connecting portion 13 is connected to 115 bottom end of the outer tube, and the second connecting portion 13 is interior
Diameter is less than the outer diameter of first spring 112, and the bottom of the outer tube 115 is made to form casing bottom wall 131；The outer tube
115 axial length is more than the axial length of the inner sleeve 113, makes to be formed between the inner sleeve 113 and casing bottom wall 131
Allow gas by gap；
The inner cavity of the first connecting portion 12 is connected to the inner cavity of inner sleeve 113, first connecting portion 12 or inner sleeve 113
Inner wall is equipped with the first flange 122 extended radially inwards, and the guide rod 111 is equipped with second extended radially outward
Flange 1111；The both ends of first spring 112 are contradicted respectively on the second flange 1111 and casing bottom wall 131, and described second
Flange 1111 contradicts under the elastic force effect of the first spring 112 in 122 bottom of the first flange；
It is also arranged with axially displaceable first sealing ring 116 between the inner sleeve 113 and outer tube 115, makes institute
It states the space between inner sleeve 113 and outer tube 115 and is isolated into first chamber 1131 and second chamber 1132, the second spring
114 are located in first chamber 1131, and both ends are contradicted respectively on casing roof 121 and the first sealing ring 116；The outer tube
115 side wall is equipped with the first venthole 1151, and the first chamber is made to be connected to outside.
After the gasbag pressure instruction device 10 of the present embodiment is connected to by second connecting portion 13 with air bag, inflation dress can be used
It sets from 12 inner cavity of first connecting portion and is inflated into air bag.For the structure of air charging system, the utility model have no it is specifically limited, only
Need air charging system end have can to bottom push guide rod pushing mechanism, such as can be in first connecting portion
The matched syringe of cavity configuration.
With reference to figure 5, Fig. 6, gas replenishment process is as follows：By air charging system（It is not shown in figure）It is inserted into from top
In the inner cavity of one interconnecting piece 12, the pushing mechanism of air charging system pushes guide rod 111 to bottom, and the second flange 1111 is far from first
Flange 122 simultaneously oppresses the first spring 112 to bottom, and gap is formed between the second flange 1111 and the first flange 122；It is filled from inflation
Set injection gas enter the inner cavity of inner sleeve along gap after be delivered in air bag by the inner cavity of second connecting portion, to real
Now to the inflation of air bag.After inflation, air charging system is removed, under the elastic force effect of the first spring 112, the second flange
1111 contradict in 122 bottom of the first flange, to which internal casing forms sealing, the gas in air bag are avoided to be discharged.
It should be noted that after the completion of inflation, first chamber 1131 is connected to by the first venthole 1151 with outside so that
Air pressure in first chamber 1131 is equal to atmospheric pressure；Second chamber 1132 connects with the inner cavity of inner sleeve and the inner cavity of second connecting portion
It is logical so that the air pressure in second chamber 1132 is equal to the air pressure in air bag；First sealing ring 116 second spring 114 elastic force,
Certain altitude is maintained under first chamber air pressure and second chamber gas pressure.Active force on first sealing ring 116 is such as public
Formula（1）It is shown：
K×（L0-L1）=ΔP*S （1）
Wherein, K is the coefficient of elasticity of second spring, L0For the natural length of second spring, L1For the current length of second spring
Degree, Δ P are the difference of inside air bag air pressure and atmospheric pressure, and S is the area of section of sealing ring.
From formula（1）It is found that the current length of second spring 114 can intuitively reflect inside air bag air pressure.I.e. first
Height of the sealing ring 116 in 115 axial direction of outer tube can reflect the pressure parameter in air bag.
Further, the both ends of the guide rod 111 are worn respectively to the first connecting portion 12 and second connecting portion 13
Inner cavity in.The guide rod of this programme can play guiding role, to be displaced inside avoiding device.
Further, on the outer tube 115 further include transparent window for observing 116 position of the first sealing ring.This
In embodiment, the outer tube is made of clear material.The height that the present embodiment passes through the first sealing ring of observation, you can judge
The barometric information of inside air bag so as to monitor the pressure in air bag in real time, and can be avoided effectively excessive to airbag aeration
Or the case where under-inflation.
Further, 115 upper edge of the outer tube is radially provided with multiple graduation marks, and the parameter of the graduation mark is according to air bag
Interior pressure and formula（1）In each parameter determine.This programme can intuitively read the pressure data in air bag.
Further, first flange 1111 is located at the junction of the first connecting portion 12 and inner sleeve 113.We
The apparatus structure of case is simple, easy to process.
Further, the second venthole 1152 is additionally provided on the outer tube 115, second venthole 1152 is in axial direction
On height correspond to the upper limit value of intracapsular pressure.In gas replenishment process, when the pressure in air bag increases, the first sealing ring
116 move under the action of pressure difference towards top.When intracapsular pressure reaches the upper limit, with reference to figure 7,116 bottom of the first sealing ring
Portion is more than the height of the second venthole 1152, and second chamber 1132 passes through the second venthole 1152 and atmosphere so that second
Chamber 1132 is by the second venthole 1152 towards pressure release in air；Until after intracapsular pressure is returned to safety value range, first
Sealing ring 116 is moved towards bottom, and the second venthole 1152 is made to be located in first chamber.This programme can effectively be avoided due to air bag
Interior pressure is excessive and is damaged to patient, and the safety that air bag uses has been effectively ensured.
With reference to figure 8, Fig. 9, the utility model second embodiment provides a kind of gasbag pressure instruction device, implements with first
Difference lies in described device further includes the second sealing ring 217, washer 218 and air-charged cap 24 to example.
The setting of second sealing ring 217 is acted in the first flange bottom, the second flange 2111 in the elastic force of the first spring
Lower conflict is in 217 bottom of the second sealing ring.Under non-aerating state air bag can form more preferably the device of this programme with external
Sealing effect, to effectively prevent air bag gas leakage.
The washer 218 is tightly attached on the roof of the first sealing ring, the lower end for contradicting second spring.Preferably, institute
It is rigid structure to state washer.This programme can avoid second spring lower end unbalance stress.
The air-charged cap 24 is set in the top of the guide rod, and internal diameter is more than the guide rod outer diameter.This programme is adopted
When being inflated with such as figure air charging system, the pushing mechanism of air charging system end can be inserted in the inner cavity to air-charged cap 24, and the bottom of to
Portion pushes guide rod, the gas in air charging system to be input to inner sleeve out of gap between 24 inner cavity of air-charged cap and guide rod
In inner cavity.This programme effectively can avoid air charging system from misplacing, and can form preferable sealing effect in inflation, prevent gas
Body leaks.
As shown in figure 9, the gasbag pressure instruction device of the present embodiment is in the production process, first connecting portion 22, set tube top
Wall 221 and inner sleeve 213 are integrally formed；Outer tube 215 and second connecting portion 23 are integrally formed.In assembling process, first
Second sealing ring 217 and the first spring 212 are set in from top and bottom end on guide rod 211 respectively；Again by guide rod 211 from
213 bottom of inner sleeve penetrates, and the top of guide rod 211 is worn into 22 inner cavity of first connecting portion；By air-charged cap 24 from first
Interconnecting piece inner cavity top is set in the top of guide rod 211, and second spring 214 is set on inner sleeve 213, and its top is supported
It touches on casing roof 221, then washer 218 and the first sealing ring 216 is set on 213 successively, and washer 218 contradicts
In the end of second spring 214；Above-mentioned package assembly is finally threaded through to the integrated molding of outer tube 215 and second connecting portion 23
In part, casing roof 221 is fixed on to the top of outer tube 215, that is, completes the assembling of the present embodiment gasbag pressure instruction device.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
It is new to should be included in this practicality for all any modification, equivalent and improvement made by within the spirit and principles of the utility model etc.
Within the protection domain of type.
Claims (9)
1. a kind of gasbag pressure instruction device, which is characterized in that including device body, first connecting portion and second connecting portion；Institute
It is hollow tubular structure to state first connecting portion and second connecting portion, and first connecting portion is for being connected to air charging system, the second connection
Portion is used for communicated air bags；
Described device ontology includes the first spring, inner sleeve, the second bullet being sequentially sleeved in an axial direction from the inside to the outside on guide rod
Spring and outer tube；The coaxial of the inner sleeve, outer tube, first connecting portion and second connecting portion；
The inner sleeve is connected with outer tube top by casing roof, and first connecting portion is connected on casing roof；Described
Two interconnecting pieces are connected to the outer tube bottom end, and second connecting portion internal diameter is less than the outer diameter of the first spring, makes the outer tube
Casing bottom wall is formed on bottom；The outer tube axial length is more than inner sleeve axial length, makes between inner sleeve and casing bottom wall
Form gap；
The first connecting portion inner cavity is connected to inner sleeve tube cavity, the inner wall of first connecting portion or inner sleeve be equipped with radially towards
First flange of interior extension, the guide rod are equipped with the second flange extended radially outward；First both ends of the spring point
It does not contradict on the second flange and casing bottom wall, second flange contradicts under the effect of the first spring force at the first flange bottom
Portion；
It is also arranged with axially displaceable first sealing ring between the inner sleeve and outer tube, makes the inner sleeve and housing
First chamber and second chamber are isolated between pipe, the second spring is located in first chamber, and both ends contradict covering respectively
On tube top wall and the first sealing ring；The outer tube side wall upper part is equipped with the first venthole, and the first chamber is made to connect with outside
It is logical.
2. gasbag pressure instruction device according to claim 1, which is characterized in that further include for seeing on the outer tube
Examine the transparent window of first sealing ring position.
3. gasbag pressure instruction device according to claim 2, which is characterized in that the transparent window is equipped with along housing
Caliber to graduation mark, the graduation mark is used to indicate the pressure in air bag.
4. gasbag pressure instruction device according to claim 1, which is characterized in that further include second logical on the outer tube
Stomata, second venthole are less than the height of first venthole in the axial direction in the upward height of outer quill；Work as institute
When stating the pressure in air bag and reaching upper limit value, under the effect of inside air bag pressure, the first sealing ring is moved on the second venthole
Side.
5. gasbag pressure instruction device according to claim 1, which is characterized in that described device further includes rigid washer,
The washer is close at the top of first sealing ring, the lower end for contradicting the second spring.
6. gasbag pressure instruction device according to claim 1, which is characterized in that first flange bottom is equipped with second
Sealing ring, second flange contradict under the effect of the first spring force on second sealing ring.
7. gasbag pressure instruction device according to claim 1, which is characterized in that first flange is located at described first
Interconnecting piece and inner sleeve junction.
8. gasbag pressure instruction device according to claim 7, which is characterized in that the both ends of the guide rod are worn respectively
To in the inner cavity of the first connecting portion and second connecting portion.
9. gasbag pressure instruction device according to claim 8, which is characterized in that the guide rod top is arranged with hollow
The air-charged cap of tubular structure, the internal diameter of the air-charged cap are more than the guide rod outer diameter, using air charging system from the air bag pressure
When power instruction device is inflated air bag, the inflating port of the air charging system is plugged in the air-charged cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021016.6U CN208031631U (en) | 2017-08-15 | 2017-08-15 | Gasbag pressure instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021016.6U CN208031631U (en) | 2017-08-15 | 2017-08-15 | Gasbag pressure instruction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208031631U true CN208031631U (en) | 2018-11-02 |
Family
ID=63957888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721021016.6U Withdrawn - After Issue CN208031631U (en) | 2017-08-15 | 2017-08-15 | Gasbag pressure instruction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208031631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395219A (en) * | 2017-08-15 | 2019-03-01 | 深圳市美好创亿医疗科技有限公司 | Gasbag pressure instruction device |
-
2017
- 2017-08-15 CN CN201721021016.6U patent/CN208031631U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395219A (en) * | 2017-08-15 | 2019-03-01 | 深圳市美好创亿医疗科技有限公司 | Gasbag pressure instruction device |
| CN109395219B (en) * | 2017-08-15 | 2024-05-17 | 深圳市美好创亿医疗科技股份有限公司 | Air bag pressure indicating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Longgang District of Shenzhen City, Guangdong province 518116 Longgang Street Community 6 new road bridge Baolong Baolong Industrial Park building B building 1-3 floor Patentee after: Shenzhen meimeimeichuangyi Medical Technology Co.,Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518116 Longgang Street Community 6 new road bridge Baolong Baolong Industrial Park building B building 1-3 floor Patentee before: SHENZHEN MEIHAO CHUANGYI MEDICAL TECHNOLOGY Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181102 Effective date of abandoning: 20240517 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181102 Effective date of abandoning: 20240517 |