CN214807614U - Trachea cannula convenient to fill gassing - Google Patents
Trachea cannula convenient to fill gassing Download PDFInfo
- Publication number
- CN214807614U CN214807614U CN202120478051.0U CN202120478051U CN214807614U CN 214807614 U CN214807614 U CN 214807614U CN 202120478051 U CN202120478051 U CN 202120478051U CN 214807614 U CN214807614 U CN 214807614U
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- CN
- China
- Prior art keywords
- air
- inflation
- push rod
- deflation
- storage bag
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- 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.)
- Expired - Fee Related
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- 210000003437 trachea Anatomy 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000002627 tracheal intubation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a trachea cannula convenient for inflation and deflation, which comprises a cannula body, an annular air bag fixed on the side wall of the front end of the cannula body and an inflation and deflation device communicated with the annular air bag, wherein the inflation and deflation device is communicated with the annular air bag through an inflation and deflation pipe and an air hole positioned in the side wall of the cannula body; the inflation and deflation device comprises an outer cylinder, an air storage bag and a push rod; the air storage bag is arranged in the outer barrel and is connected with an air charging and discharging pipe through an air charging and discharging interface at the front end of the outer barrel; the push rod is coaxially and slidably connected with the outer cylinder and used for controlling the air storage bag to extrude or withdraw air; the utility model combines the inflation and deflation device with the trachea cannula into a whole, presses the push rod to press the gas in the gas storage bag into the annular air bag during inflation, and locks the push rod by using the locking mechanism to keep the inflation pressure; through adjusting locking mechanism during the gassing, reset the push rod, the gas storage bag is with gas withdrawal, and whole process need not to operate with the help of the syringe, compares and has better convenience in prior art.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a trachea cannula convenient to fill gassing.
Background
The trachea intubation is an important rescue technique commonly used in emergency treatment work and is one of the most widely, most effective and most rapid means in respiratory tract management; at present, the trachea cannula with the air bag is generally used, can be fixed in the trachea through the inflated air bag, can prevent the air leakage of an upper airway, but the inflation and deflation of the air bag are operated by means of an injector, the injector needs to be inserted into an inlet of an inflation valve after a needle head is removed, a valve core is pushed open, air is injected into or sucked out of the inflation valve, the operation is inconvenient, the number of used devices is increased, and the workload of medical staff is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a trachea cannula convenient to fill gassing to solve the trachea cannula that has the gasbag and all need come the problem of operation with the help of the syringe filling the gassing in-process.
The utility model relates to a trachea cannula convenient for inflation and deflation, which comprises a cannula body, an annular air bag fixed on the side wall of the front end of the cannula body and an inflation and deflation device communicated with the annular air bag, wherein the inflation and deflation device is communicated with the annular air bag through an inflation and deflation pipe and an air hole positioned in the side wall of the cannula body; the inflation and deflation device comprises an outer cylinder, an air storage bag and a push rod; the air storage bag is arranged in the outer barrel and is connected with an air charging and discharging pipe through an air charging and discharging interface at the front end of the outer barrel; the push rod is coaxially and slidably connected with the outer cylinder and used for controlling the air storage bag to extrude or withdraw air; the outer cylinder is provided with a locking mechanism for locking the push rod, the air storage bag is of a closed inflation and deflation structure, the push rod drives the air storage bag to compress and re-inflate, the capacity of the air storage bag is adaptively designed according to the inflation quantity of the annular air bag, and the inflation and deflation requirements of the annular air bag are met; the push rod is locked by a locking mechanism to keep the inflation pressure; through adjusting locking mechanism during the gassing, reset the push rod, the gas storage bag is with gas withdrawal, and whole process need not to operate with the help of the syringe, compares and has better convenience in prior art, reduces the quantity that uses the equipment simultaneously, alleviates medical personnel work load, carries out the gasbag and fills the gassing repeatedly in order to reach the long-term trachea cannula breathing machine support treatment's of decompression gas bag pressure air flue damage and leak protection gas patient, especially is suitable for the convenience.
Furthermore, a conical locking cavity for installing a locking mechanism is arranged in the outer barrel, and the push rod coaxially penetrates through the conical locking cavity; the locking mechanism comprises three steel balls, a pressure spring and a push disc which are arranged in the conical locking cavity, a hole which is concentric with the conical locking cavity is formed in the center of the push disc, the three steel balls are arranged around the axis of the conical locking cavity, the push disc is arranged between the steel balls and the pressure spring, each steel ball is extruded between the inner conical surface of the conical locking cavity and the push rod by the aid of elasticity of the pressure spring, and each steel ball is extruded between the inner conical surface of the conical locking cavity and the push rod by the aid of elasticity of the pressure spring; the push rod penetrates through holes among the three steel balls and in the center of the push disc, the taper of the conical locking cavity is not more than 1:20, the push rod is self-locked, when the push rod is pulled outwards, the steel balls are driven to roll along the conical surface, and then large radial pressure is generated on the push rod to lock the push rod.
Furthermore, an inner thread is arranged on a rear end socket of the conical locking cavity, and a T-shaped threaded sleeve is mounted on the rear end socket; the inner end surface of the T-shaped threaded sleeve is opposite to the three steel balls, and the outer end of the T-shaped threaded sleeve is provided with two baffles which extend along the radial direction in opposite directions; the lead angle of the internal thread is not less than 30 degrees; the outer barrel can be held by one hand, the baffle plate is shifted by the thumb, the T-shaped threaded sleeve rotates and extends into the conical locking cavity under the action of the threads, the three steel balls are pushed, the extrusion effect of the steel balls on the push rod is eliminated, the push rod is pulled outwards by the other hand, and the operation is simple and convenient.
Furthermore, the side wall of the air storage bag is provided with a plurality of easily folded lines with different sizes, so that the air storage bag can be compressed and extended along the axial direction; the rear end of the air storage bag is fixed with a circular push seat, the front end of the push rod is fixed with a circular push plate, the center of the circular push seat is fixed with a guide rod, the guide rod is coaxially inserted into the push rod and is in sliding fit, a pressure stabilizing spring is sleeved outside the guide rod and is supported between the circular push plate and the circular push seat, and when the air storage bag is compressed and pulled, the annular easy-to-break mark is bent, so that the air storage bag is compressed and extended along the axial direction, and the air extrusion and refilling performance is realized; an annular boss for limiting is arranged on the excircle of one end of the guide rod extending into the push rod, so that the circular push plate and the circular push seat are kept connected.
Furthermore, a scale extending axially backwards is fixed at the edge of the circular pushing seat; a mark block sleeved on the scale is fixed at the edge of the circular push plate, and the compression length and the elastic force value of the pressure stabilizing spring are read through the scale position of the mark block on the scale; a transparent observation window is arranged on the side wall of the outer barrel corresponding to the scale; through the position of the mark block on the scale, the compression length of the pressure stabilizing spring can be visually displayed, and the elastic value can be obtained according to the elastic coefficient.
The utility model has the advantages that: the utility model discloses a trachea cannula convenient for inflation and deflation, which combines an inflation and deflation device with the trachea cannula into a whole, presses a push rod to press the gas in a gas storage bag into an annular air bag during inflation, and locks the push rod by using a locking mechanism to keep inflation pressure; through adjusting locking mechanism during the gassing, reset the push rod, the gas storage bag is with gas withdrawal, and whole process need not to operate with the help of the syringe, compares and has better convenience in prior art, reduces the quantity that uses the equipment simultaneously, alleviates medical personnel work load, carries out the gasbag and fills the gassing repeatedly in order to reach the long-term trachea cannula breathing machine support treatment's of decompression gas bag pressure air flue damage and leak protection gas patient, especially is suitable for the convenience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the inflation and deflation device.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1 and 2: the trachea cannula convenient for inflation and deflation of the embodiment comprises a cannula body 19, an annular air bag 21 fixed on the side wall of the front end of the cannula body 19 and an inflation and deflation device 17 communicated with the annular air bag 21, wherein the inflation and deflation device 17 is communicated with the annular air bag 21 through an inflation and deflation pipe 18 and an air hole 20 positioned in the side wall of the cannula body 19; the inflation and deflation device 17 comprises an outer cylinder 10, an air storage bag 16 and a push rod 1; the air storage bag 16 is arranged inside the outer cylinder 10 and is connected with an air charging and discharging pipe 18 through an air charging and discharging interface at the front end of the outer cylinder 10; the push rod 1 is coaxially and slidably connected with the outer cylinder 10 and used for controlling the air storage bag 16 to extrude or withdraw air; the outer cylinder 10 is provided with a locking mechanism for locking the push rod 1, the air storage bag 16 is of a closed inflation and deflation structure, the push rod 1 drives the air storage bag 16 to compress and re-inflate, the capacity of the air storage bag 16 is adaptively designed according to the inflation quantity of the annular air bag 21, and the inflation and deflation requirements of the annular air bag 21 are met; the push rod 1 is locked by a locking mechanism, and the inflation pressure is kept; through adjusting locking mechanism during the gassing, reset push rod 1, gas storage bag 16 takes out gas, and whole process need not to operate with the help of the syringe, compares and has better convenience in prior art, reduces the quantity that uses the equipment simultaneously, alleviates medical personnel work load, carries out the gasbag and fills the gassing repeatedly in order to reach the long-term trachea cannula breathing machine support treatment's of decompression gas-filled bag pressure air flue damage and leak protection gas patient, especially is suitable for the convenience.
In this embodiment, a conical locking cavity 11 for installing a locking mechanism is arranged in the outer cylinder 10, and the push rod 1 coaxially penetrates through the conical locking cavity 11; the locking mechanism comprises three steel balls 4, a pressure spring 6 and a push disc 5 which are arranged in a conical locking cavity 11, a hole which is concentric with the conical locking cavity 11 is formed in the center of the push disc 5, the three steel balls 4 are arranged around the axis of the conical locking cavity 11, the push disc 5 is arranged between the steel balls 4 and the pressure spring 6, each steel ball 4 is extruded between the inner conical surface of the conical locking cavity 11 and the push rod 1 by the elasticity of the pressure spring 6, and each steel ball 4 is extruded between the inner conical surface of the conical locking cavity 11 and the push rod 1 by the elasticity of the pressure spring 6; the push rod 1 penetrates through holes among the three steel balls 4 and in the center of the push disc 5, the taper of the conical locking cavity 11 is not more than 1:20, the push rod 1 is self-locked, when the push rod 1 is pulled outwards, the steel balls are driven to roll along the conical surface, and then large radial pressure is generated on the push rod 1, and the push rod 1 is locked.
In the embodiment, an inner thread is arranged on a rear end socket of the conical locking cavity 11, and the T-shaped threaded sleeve 3 is installed; the inner end surface of the T-shaped threaded sleeve 3 is opposite to the three steel balls 4, and the outer end of the T-shaped threaded sleeve 3 is provided with two baffles 2 which extend along the radial direction in opposite directions; the lead angle of the internal thread is not less than 30 degrees; the outer cylinder 10 can be held by one hand, the baffle 2 can be shifted by the thumb, the T-shaped threaded sleeve 3 rotates and extends into the conical locking cavity 11 under the action of the threads, the three steel balls 4 are pushed, the extrusion effect of the steel balls 4 on the push rod 1 is eliminated, the push rod 1 is pulled outwards by the other hand, and the operation is simple and convenient.
In this embodiment, the sidewall of the air storage bag 16 is provided with a plurality of easy folds with different sizes, so that the air storage bag 16 can be compressed and extended along the axial direction; a circular push seat 15 is fixed at the rear end of the air storage bag 16, a circular push plate 12 is fixed at the front end of the push rod 1, a guide rod 13 is fixed at the center of the circular push seat 15, the guide rod 13 is coaxially inserted into the push rod 1 and is in sliding fit with the push rod 1, a pressure stabilizing spring 14 is sleeved outside the guide rod 13, the pressure stabilizing spring 14 is supported between the circular push plate 12 and the circular push seat 15, and when the air storage bag 16 is pressed and pulled, the annular easy-to-break mark is bent, so that the air storage bag 16 is compressed and extended along the axial direction, and the air extrusion and recharging performance is realized; an annular boss for limiting is arranged on the excircle of one end of the guide rod 13 extending into the push rod 1, so that the circular push plate 12 and the circular push seat 15 are kept connected.
In this embodiment, a scale 8 extending axially and backwards is fixed on the edge of the circular pushing seat 15; a mark block 7 sleeved on the scale 8 is fixed at the edge of the circular push plate 12, and the compression length and the elastic force value of the pressure stabilizing spring 14 are read through the scale position of the mark block 7 on the scale 8; a transparent observation window 9 is arranged on the side wall of the outer cylinder 10 corresponding to the scale 8; through the position of mark piece 7 on scale 8, can audio-visually show the compression length of steady voltage spring 14, can obtain the elasticity value according to the elastic coefficient.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The utility model provides a trachea cannula convenient to fill gassing which characterized in that: the intubation tube comprises an intubation tube body, an annular air bag fixed on the side wall of the front end of the intubation tube body and an air inflation and deflation device communicated with the annular air bag, wherein the air inflation and deflation device is communicated with the annular air bag through an air inflation and deflation pipe and an air hole positioned in the side wall of the intubation tube body; the inflation and deflation device comprises an outer cylinder, an air storage bag and a push rod; the air storage bag is arranged in the outer barrel and is connected with an air charging and discharging pipe through an air charging and discharging interface at the front end of the outer barrel; the push rod is coaxially and slidably connected with the outer cylinder and used for controlling the air storage bag to extrude or withdraw air; and a locking mechanism for locking the push rod is arranged on the outer barrel.
2. An endotracheal tube for facilitating inflation and deflation as claimed in claim 1, wherein: a conical locking cavity for mounting a locking mechanism is arranged in the outer barrel, and the push rod coaxially penetrates through the conical locking cavity; the locking mechanism comprises three steel balls, a pressure spring and a push disc which are arranged in the conical locking cavity, a hole which is concentric with the conical locking cavity is formed in the center of the push disc, the three steel balls are arranged around the axis of the conical locking cavity, the push disc is arranged between the steel balls and the pressure spring, and the steel balls are extruded between the inner conical surface of the conical locking cavity and the push rod by the aid of elasticity of the pressure spring.
3. An endotracheal tube for facilitating inflation and deflation as claimed in claim 2, wherein: an inner thread is arranged on a rear end socket of the conical locking cavity, and a T-shaped threaded sleeve is mounted on the rear end socket; the inner end surface of the T-shaped threaded sleeve is opposite to the three steel balls, and the outer end of the T-shaped threaded sleeve is provided with two baffles which extend along the radial direction in opposite directions; the lead angle of the internal thread is not less than 30 degrees.
4. An endotracheal tube for facilitating inflation and deflation as claimed in claim 3, wherein: the side wall of the air storage bag is provided with a plurality of easily folded lines at intervals, so that the air storage bag can be compressed and extended along the axial direction; the rear end of the air storage bag is fixed with a circular pushing seat, the front end of the push rod is fixed with a circular push plate, the center of the circular pushing seat is fixed with a guide rod, the guide rod is coaxially inserted into the push rod and is in sliding fit, a pressure stabilizing spring is sleeved outside the guide rod, and the pressure stabilizing spring is supported between the circular push plate and the circular pushing seat.
5. An endotracheal tube for facilitating inflation and deflation as claimed in claim 4, wherein: a scale extending axially backwards is fixed at the edge of the circular pushing seat; a mark block sleeved on the scale is fixed at the edge of the circular push plate, and the compression length and the elastic force value of the pressure stabilizing spring are read through the scale position of the mark block on the scale; and a transparent observation window is arranged on the side wall of the outer barrel corresponding to the scale.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120478051.0U CN214807614U (en) | 2021-03-05 | 2021-03-05 | Trachea cannula convenient to fill gassing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120478051.0U CN214807614U (en) | 2021-03-05 | 2021-03-05 | Trachea cannula convenient to fill gassing |
Publications (1)
Publication Number | Publication Date |
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CN214807614U true CN214807614U (en) | 2021-11-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120478051.0U Expired - Fee Related CN214807614U (en) | 2021-03-05 | 2021-03-05 | Trachea cannula convenient to fill gassing |
Country Status (1)
Country | Link |
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CN (1) | CN214807614U (en) |
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2021
- 2021-03-05 CN CN202120478051.0U patent/CN214807614U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211123 |
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CF01 | Termination of patent right due to non-payment of annual fee |