CN205796169U - Pressure controllable syringe - Google Patents
Pressure controllable syringe Download PDFInfo
- Publication number
- CN205796169U CN205796169U CN201620609430.8U CN201620609430U CN205796169U CN 205796169 U CN205796169 U CN 205796169U CN 201620609430 U CN201620609430 U CN 201620609430U CN 205796169 U CN205796169 U CN 205796169U
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- China
- Prior art keywords
- piston rod
- cylinder
- breach
- pressure
- air bag
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Abstract
The utility model discloses a kind of pressure controllable syringe, including syringe body and pressure converter, described syringe body includes cylinder, piston and piston rod, described piston is arranged at described piston rod end, and described piston coordinates with the inwall slipper seal of described cylinder, the left end of described cylinder is provided with pin mouth, and the right-hand member inwall of described cylinder is provided with fixture block, being provided with breach on described piston rod, described pressure converter is arranged at the outer surface of described cylinder.This utility model simple in construction, easy to operate, it is possible to the pressure of the certain gas injected in air bag to be quantified, it is achieved the gas pressure being filled with in air bag is controlled, to facilitate medical personnel to be inflated air bag or QI invigorating.
Description
Technical field
This utility model belongs to technical field of medical instruments, particularly relates to a kind of pressure controllable syringe.
Background technology
The artificial airway of patient set up be applicable to clinic by endotracheal tube, and it is implemented mechanical ventilation, surgery anesthesia or the heart
Lung recoveries etc. are used.Airbag aeration size and aeration quantity stability on endotracheal tube determine that respiratory function supports whether technology becomes
Merit.The sealing of endotracheal tube and patient airway is mechanical ventilation and the crucial institute preventing pars oralis pharyngis secretions from by mistake inhaling
?.Airbag aeration is crossed conference tracheas suppressed tissue and is caused ulcer or balloon rupture, and under-inflation can be leaked gas affects respirator work
Or inhale by mistake.Medical personnel are inflated or QI invigorating, owing to syringe injects in air bag by syringe in the air bag of endotracheal tube
The pressure of certain gas is not known, therefore medical personnel's the most constantly inflation or QI invigorating in air bag, then touches by experience hands
The aeration quantity of the instruction sacculus being connected with air bag or use aerocyst pressure monitoring table are to judge that per os is inserted in patient's trachea position
The size of endotracheal tube airbag aeration amount or air bag the most damaged.It is difficult to avoid error in judgement by experience and feel completely, and
Use aerocyst pressure monitoring table detection intracapsular pressure troublesome poeration, and the size of intracapsular pressure can only be known, it is impossible to quantify
The pressure of gas in syringe injection air bag.The version of existing syringe, as disclosed in the patent No. 201310096575.3
A kind of disposable syringe, including overcoat, piston, core bar, piston is connected to the lower end of core bar, is sleeved on overcoat with core bar
In, the overcoat being provided with a circle leaving certain gaps uncovered by the economic plan inside overcoat at crimping is protruding, and the outer surface that core bar connects end at piston is provided with
The core bar corresponding with overcoat breach is protruding.Its structure is single, simply plays the effect injecting gas, can not be to quantifying to inject
The pressure of gas.
Utility model content
The purpose of this utility model is that and overcomes the deficiencies in the prior art, it is provided that a kind of pressure controllable syringe, its
Simple in construction, easy to operate, it is possible to the pressure of the certain gas injected in air bag to be quantified, it is achieved the gas being filled with in air bag
Body pressure controllable, to facilitate medical personnel to be inflated air bag or QI invigorating.
To achieve these goals, this utility model provides a kind of pressure controllable syringe, including syringe body and
Pressure converter, described syringe body includes that cylinder, piston and piston rod, described piston are arranged at described piston rod end,
And described piston coordinates with the inwall slipper seal of described cylinder, the left end of described cylinder is provided with pin mouth, the right side of described cylinder
End inwall is provided with fixture block, and described piston rod is provided with breach, and described pressure converter is arranged at the outer surface of described cylinder.
Further, described piston rod is leaf structure, and the breach of described piston rod is arranged on blade.
Further, described barrel outer surface is provided with scale, and described cylinder inboard wall is respectively provided with two fixture blocks, two institutes
The phase spacing stating fixture block is corresponding with described scale, and described piston rod is gone up along its length and is provided with some lacking equally spacedly
Mouthful, and the phase spacing of fixture block described in two is equal with the spacing of breach described in adjacent two.
Further, described piston rod rotates relative to the inwall of described cylinder, when the breach on described piston rod rotates
To when being directed at described fixture block, described piston rod is limited relative to moving axially of described cylinder inboard wall, when on described piston rod
Breach rotate to when staggering with the position of described fixture block, described piston rod can move axially relative to described cylinder inboard wall.
Further, described pin mouth includes internal ring and the ring set outer shroud outside described internal ring, and described outer shroud is relative to described
Internal ring has spacing, described internal ring to be connected with the inwall of described cylinder.
Further, the internal diameter of described outer shroud less than or equal to the external diameter of airbag aeration head of endotracheal tube, and described outside
Ring has elasticity.
The structure of existing endotracheal tube: endotracheal tube includes that endotracheal tube body, the lower section of endotracheal tube body are provided with gas
Capsule, this internal airbag inflation pipe that is provided with of endotracheal tube, airbag inflation pipe one end connects with airbags, the other end and pilot balloon
Being connected, pilot balloon is provided with airbag aeration head, its airbag inflation pipe makes air bag be connected with pilot balloon.Set up artificial
During air flue, endotracheal tube inserts person's windpipe through glottis, and air bag is in person's windpipe, and pilot balloon is exposed outside human body,
So that judging whether the aeration quantity of air bag and air bag destroy by the aeration quantity observing pilot balloon.Inflate in air bag
Time, connect airbag aeration head by syringe and inflate, and air bag and pilot balloon are inflated simultaneously.
When inflation or QI invigorating in the air bag of endotracheal tube, the pin mouth of cylinder left end is connected with airbag aeration head, its
Airbag aeration head inserts between internal ring and the outer shroud of pin mouth.Turned left promotion piston rod by the right side so that piston is relative in cylinder
Wall moves left, and owing to piston coordinates relative to cylinder inboard wall slipper seal, during to ensure that piston moves relative to cylinder inboard wall
Sealing property, prevent gas leakage, good airproof performance.Due to two fixture blocks of the alternate setting of cylinder inboard wall, its phase spacing is corresponding
Scale on barrel outer surface, on piston rod, the spacing of adjacent gap is equal to the phase spacing of two fixture blocks, i.e. piston rod simultaneously
Promote the distance of two breach relative to cylinder inboard wall, the gas volume of its correspondence can be read intuitively according to the scale of barrel outer surface
Go out.Its piston rod promotes the distance of two breach relative to cylinder inboard wall, i.e. injects the gas volume of corresponding scale in air bag, with
Time inject the volume of gas corresponding the pressure injecting gas shown intuitively by pressure converter, in order to quantify to inject
The pressure of gas, it is achieved the gas pressure being filled with in air bag is controlled, facilitate medical personnel to inflate in air bag or inflate rather than
Inflate in air bag blindly or inflate, then the aeration quantity touching the instruction sacculus being connected with air bag by experience hands judges
Aeration quantity in air bag.
When piston rod moves the distance between two breach relative to cylinder inboard wall, by piston rod relative to the inwall of cylinder
Rotating, make the breach on piston rod rotate the fixture block to alignment cylinder inboard wall, now piston rod is relative to the axle of cylinder inboard wall
Limited to mobile, thus effectively quantify to push the gas volume in air bag.When piston rod is wanted axially relative to cylinder inboard wall
Time mobile, piston rod rotates relative to cylinder, makes the breach on piston rod rotate and staggers to the position with fixture block.
The internal diameter of the outer shroud of pin mouth of the present utility model is less than or equal to the external diameter of airbag aeration head, and outer shroud has bullet
Property, in order to when airbag aeration head inserts between internal ring and the outer shroud of pin mouth, the outer shroud of pin mouth can by airbag aeration head closely
Wrap, prevent inflating hour hands mouth and disengage with airbag aeration head.
The beneficial effects of the utility model: this utility model is provided with two fixture blocks on cylinder inboard wall, piston rod is arranged
Jagged, the phase spacing of two fixture blocks is relative with the scale of barrel outer surface, and the spacing between adjacent two breach and two fixture blocks
Phase spacing equal, in order to when piston rod pushes the distance between two breach relative to cylinder inboard wall, pass through barrel outer surface
On scale intuitively read the gas volume pushed, demonstrate that correspondence pushes gas volume intuitively by pressure converter simultaneously
Pressure, with quantify inject gas pressure, facilitate medical personnel to inflate in air bag or inflate rather than blindly to air bag
Interior inflation or inflate, then touch by experience hands be connected with air bag indicate the aeration quantity of sacculus to the inflation judging in air bag
Amount.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the direction view of A-A in Fig. 2.
Fig. 4 is the structural representation of endotracheal tube in this utility model embodiment.
Above-mentioned reference:
1 cylinder, 2 pin mouths, 3 piston rods, 4 fixture blocks, 5 pistons, 6 pressure converters, 7 endotracheal tube bodies, 8 air bags, 9 instructions
Air bag, 10 airbag aeration heads.
Detailed description of the invention
Below in conjunction with the accompanying drawings utility model is further illustrated, but be not limited to scope of the present utility model.
Embodiment
The structure of existing endotracheal tube, as shown in Figure 4, endotracheal tube includes endotracheal tube body 7, endotracheal tube body 7
Lower section is provided with air bag 8, is provided with airbag inflation pipe in endotracheal tube body 7, and airbag inflation pipe one end is connected with air bag 8,
The other end is connected with pilot balloon 9, and pilot balloon 9 is provided with airbag aeration head 10, and its airbag inflation pipe makes air bag 8 and refers to
Show that air bag 9 is connected.When setting up artificial airway, endotracheal tube inserts person's windpipe through glottis, and air bag 8 is in person's windpipe,
Pilot balloon 9 is exposed outside human body, in order to by observe pilot balloon 9 aeration quantity judge air bag aeration quantity and
Whether air bag 8 destroys.In air bag 8 during inflation, connect airbag aeration head 10 by syringe and inflate, and air bag 8 and pilot balloon 9
Inflate simultaneously.
For quantifying to inject the pressure of gas in air bag, to facilitate medical personnel air bag to be inflated or QI invigorating, this practicality
New design pressure controllable syringe.
As shown in Fig. 1～2, a kind of pressure controllable syringe that this utility model provides, including syringe body and pressure
Transducer, described syringe body includes that cylinder 1, piston 5 and piston rod 3, described piston 5 are arranged at described piston rod 3 end,
And described piston 5 coordinates with the inwall slipper seal of described cylinder 1, the left end of described cylinder 1 is provided with pin mouth 2, described cylinder 1
Right-hand member inwall be provided with fixture block 4, described piston rod 3 is provided with breach, described pressure converter 6 is arranged at described cylinder 1
Outer surface.
As it is shown on figure 3, described piston rod 3 is in leaf structure, the breach of described piston rod 3 is arranged on blade.
Described cylinder 1 outer surface of the present utility model is provided with scale, and described cylinder 1 inwall is respectively provided with two fixture blocks
4, described in two, the phase spacing of fixture block 4 is corresponding with described scale, and described piston rod 3 is gone up along its length and is provided with equally spacedly
Some breach, and the phase spacing of fixture block 4 described in two is equal with the spacing of breach described in adjacent two.
Described piston rod 3 of the present utility model rotates relative to the inwall of described cylinder 1, when lacking on described piston rod 3
Mouth rotates to when being directed at described fixture block 4, and described piston rod 3 is limited, when described relative to described moving axially of cylinder 1 inwall
Breach on piston rod 3 rotates when staggering to the position with described fixture block 4, and described piston rod 3 is relative to wall energy in described cylinder 1
Move axially.
Described pin mouth 2 of the present utility model includes internal ring and the ring set outer shroud outside described internal ring, described outer shroud relative to
Described internal ring has spacing, described internal ring to be connected with the inwall of described cylinder 1.
When inflation or QI invigorating in the air bag 8 of endotracheal tube, the pin mouth 2 of cylinder 1 left end is connected with airbag aeration head 10
Connecing, its airbag aeration head 10 inserts between internal ring and the outer shroud of pin mouth 2.Turned left by the right side and promote piston rod 3 so that piston 5 is relative
Inwall in cylinder 1 moves left, and due to piston 5 relative to cylinder 1 inwall slipper seal coordinate, with ensure piston 5 relative to
Sealing property when cylinder 1 inwall moves, prevents gas leakage, good airproof performance.Two fixture blocks due to the cylinder 1 alternate setting of inwall
4, its phase spacing is corresponding to the scale on cylinder 1 outer surface, and on piston rod 3, the spacing of adjacent gap is equal to two fixture blocks 4 simultaneously
Phase spacing, i.e. piston rod 3 promotes the distance of two breach relative to cylinder 1 inwall, and the gas volume of its correspondence is according to cylinder 1
The scale of outer surface can read intuitively.Its piston rod 3 promotes the distance of two breach relative to cylinder 1 inwall, i.e. in air bag 8
Inject the gas volume of corresponding scale, be injected simultaneously into the pressure injecting gas corresponding to the volume of gas by pressure converter 6
Show intuitively, in order to quantify to inject the pressure of gas, it is achieved the gas pressure being filled with in air bag 8 is controlled, facilitates medical care
Personnel inflate in air bag 8 or inflate rather than inflate in air bag 8 blindly or inflate, more gentle by the touch of experience hands
The aeration quantity of the instruction sacculus 9 that capsule 8 is connected is to the aeration quantity judging in air bag 8.
When piston rod 3 moves the distance between two breach relative to cylinder 1 inwall, by piston rod 3 relative to cylinder 1
Inwall rotates, and makes the breach on piston rod 3 rotate the fixture block 4 to alignment cylinder 1 inwall, and now piston rod 3 is relative to cylinder 1
Moving axially of inwall is limited, thus effectively quantifies to push the gas volume in air bag 8.When piston rod 3 is relative to cylinder 1
When inwall is to be moved axially, piston rod 3 rotates relative to cylinder 1, makes the breach on piston rod 3 rotate to the position with fixture block 4
Stagger.
The internal diameter of the outer shroud of pin mouth 2 of the present utility model is less than or equal to the external diameter of airbag aeration head 10, and outer shroud has
Elastic, in order to when airbag aeration head 10 inserts between internal ring and the outer shroud of pin mouth 2, the outer shroud of pin mouth 2 can be by airbag aeration head
10 closely wrap, and prevent inflating hour hands mouth 2 and disengage with airbag aeration head 10.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model also can
There are various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model is wanted
Protection domain is asked to be defined by appending claims and equivalent thereof.
Claims (6)
1. a pressure controllable syringe, it is characterised in that: include syringe body and pressure converter, described syringe body
Including cylinder, piston and piston rod, described piston is arranged at described piston rod end, and the inwall of described piston and described cylinder
Slipper seal coordinates, and the left end of described cylinder is provided with pin mouth, and the right-hand member inwall of described cylinder is provided with fixture block, described piston rod
On be provided with breach, described pressure converter is arranged at the outer surface of described cylinder.
Pressure controllable syringe the most according to claim 1, it is characterised in that described piston rod is leaf structure, institute
The breach stating piston rod is arranged on blade.
Pressure controllable syringe the most according to claim 2, it is characterised in that described barrel outer surface is provided with scale,
Described cylinder inboard wall is respectively provided with two fixture blocks, and the phase spacing of fixture block described in two is corresponding with described scale, described piston
Bar is gone up along its length and is provided with some breach equally spacedly, and the phase spacing of fixture block described in two and breach described in adjacent two
Spacing is equal.
Pressure controllable syringe the most according to claim 3, it is characterised in that described piston rod is relative to described cylinder
Inwall rotates, when the breach on described piston rod rotates to when being directed at described fixture block, and described piston rod is relative in described cylinder
Moving axially of wall is limited, when the breach on described piston rod rotates and staggers to the position with described fixture block, and described piston
Bar can move axially relative to described cylinder inboard wall.
Pressure controllable syringe the most according to claim 1, it is characterised in that described pin mouth includes that internal ring and ring set are in institute
Stating the outer shroud outside internal ring, described outer shroud has spacing, described internal ring to be connected with the inwall of described cylinder relative to described internal ring.
Pressure controllable syringe the most according to claim 5, it is characterised in that the internal diameter of described outer shroud is less than or equal to gas
The external diameter of the airbag aeration head of pipe conduit, and described outer shroud has elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620609430.8U CN205796169U (en) | 2016-06-21 | 2016-06-21 | Pressure controllable syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620609430.8U CN205796169U (en) | 2016-06-21 | 2016-06-21 | Pressure controllable syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205796169U true CN205796169U (en) | 2016-12-14 |
Family
ID=57506153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620609430.8U Expired - Fee Related CN205796169U (en) | 2016-06-21 | 2016-06-21 | Pressure controllable syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205796169U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222791A (en) * | 2018-10-31 | 2019-01-18 | 李爽 | Multifunctional mop and method |
| CN109349991A (en) * | 2018-11-29 | 2019-02-19 | 张丽 | A kind of department of stomatology fixes device with oral cavity |
| CN109925581A (en) * | 2019-04-17 | 2019-06-25 | 刘占国 | A kind of nasal trachea cannula for removing sputum accumulation |
-
2016
- 2016-06-21 CN CN201620609430.8U patent/CN205796169U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222791A (en) * | 2018-10-31 | 2019-01-18 | 李爽 | Multifunctional mop and method |
| CN109349991A (en) * | 2018-11-29 | 2019-02-19 | 张丽 | A kind of department of stomatology fixes device with oral cavity |
| CN109349991B (en) * | 2018-11-29 | 2021-08-17 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | Oral fixing device for department of stomatology |
| CN109925581A (en) * | 2019-04-17 | 2019-06-25 | 刘占国 | A kind of nasal trachea cannula for removing sputum accumulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20170621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |