CN109498943A - A kind of inflatable nasopharyngeal air duct - Google Patents

A kind of inflatable nasopharyngeal air duct Download PDF

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Publication number
CN109498943A
CN109498943A CN201910012750.3A CN201910012750A CN109498943A CN 109498943 A CN109498943 A CN 109498943A CN 201910012750 A CN201910012750 A CN 201910012750A CN 109498943 A CN109498943 A CN 109498943A
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CN
China
Prior art keywords
snorkel
air
inflatable
column
air bag
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.)
Pending
Application number
CN201910012750.3A
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Chinese (zh)
Inventor
贺镜羽
李洪兵
金利玉
汪漫
罗珺
朱美玲
沈燕
曹博强
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Sir Run Run Hospital Nanjing Medical University
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Sir Run Run Hospital Nanjing Medical University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sir Run Run Hospital Nanjing Medical University filed Critical Sir Run Run Hospital Nanjing Medical University
Priority to CN201910012750.3A priority Critical patent/CN109498943A/en
Publication of CN109498943A publication Critical patent/CN109498943A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0461Nasoendotracheal tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0488Mouthpieces; Means for guiding, securing or introducing the tubes
    • A61M16/0497Tube stabilizer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2210/00Anatomical parts of the body
    • A61M2210/06Head
    • A61M2210/0618Nose

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (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)
  • Otolaryngology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The present invention relates to field of mechanical technique, in particular a kind of inflatable nasopharyngeal air duct, including snorkel, the top of snorkel is provided with support chip, interface channel is provided between the bottom of support chip and the top of snorkel, the surface of snorkel is provided with air bag, the bottom end of snorkel is provided with inlet end, the inside of air bag is the gas distribution channel of hollow structure, anti-reflux mechanism is provided at gas tube inside the top of air bag, anti-reflux mechanism includes air permeable plate, the upper surface middle part of air permeable plate is vertically arranged with column, movable plate is provided at the top of column, spring is provided between the lower surface of movable plate and the top of column, the two sides inner wall of snorkel is closely welded with fixed plate at movable plate, the surface of air permeable plate offers air hole close to the two sides of column, the configuration of the present invention is simple, it is easy to use, seal wire and air bag can Facilitate the entrance of snorkel, to avoid damage to nasal cavity inner wall, inlet end can prevent blocking inside snorkel.

Description

A kind of inflatable nasopharyngeal air duct
Technical field
The present invention relates to field of mechanical technique, specially a kind of inflatable nasopharyngeal air duct.
Background technique
Current clinically used nasopharyngeal air duct has different inner diameters and length according to model difference, and general internal diameter is got over Greatly, ventilatory effect is better but insertion difficulty and bigger to the degree of injury of nasal cavity, easily causes iatrogenic injury, sets pipe process because crowded Pressure effect easily causes schneiderian membrane oedema, and when tube drawing, oedema schneiderian membrane is extruded again, rubs, and easily leads to schneiderian membrane bleeding, seriously Person aggravates nasal cavity soft tissue oedema, influences nasal airflow, and for suffering from the patient of deviation of nasal septum, traditional nasopharyngeal airway is being inserted During entering, it is also possible to additional, more serious nasal cavity damage is directly contributed, in addition, when being ventilated, snorkel one End is easy to be blocked by the liquid and impurity of nasal cavity, so that ventilatory effect is influenced, in consideration of it, it is proposed that a kind of inflatable nose Swallow air passage.
Summary of the invention
The purpose of the present invention is to provide a kind of inflatable nasopharyngeal air ducts, to solve mentioned above in the background art insert Enter difficulty to be easy to cause damage greatly and be easy the problems such as blocking influences ventilation.
To achieve the above object, the invention provides the following technical scheme:
A kind of inflatable nasopharyngeal air duct, including snorkel, the top of the snorkel are provided with support chip, the support The surface of piece offers air inlet, is provided with interface channel between the bottom of the support chip and the top of snorkel;
The outer wall of the snorkel is double-layer structure, which is enclosed air bag, the top of the support chip It is connected with gas tube, the bottom end of the snorkel is provided with inlet end, and the inside of the air bag is the gas distribution channel of hollow structure;
The outer end of the gas tube is provided with air charging system, and the air charging system includes appendix, and the one of the appendix It holds and is connected with sealing sleeve pipe, one end of the sealing sleeve pipe and gas tube is mating, and the other end of the appendix is connected with Pneumatic head offers link slot at the top of the pneumatic head, and the link slot is internally provided with valve inside, the pneumatic head Outside is connected with connecting band, and the connecting band is connected with sealing-plug, the size of the sealing-plug and company far from one end of pneumatic head The size of access slot is adapted.
Preferably, the top of the interface channel is connected with air inlet, bottom and the snorkel phase of the interface channel Connection.
Preferably, the surface of support chip is run through on the top of the gas tube.
Preferably, the middle section of the snorkel is connected with bellows.
Preferably, the snorkel is internally provided with seal wire, and the bottom end of snorkel is led in the bottom end of the seal wire, described The top of seal wire passes through air inlet and is connected with pull ring.
Preferably, anti-reflux mechanism, the anti-reflux mechanism are provided at gas tube inside the top of the air bag Including air permeable plate, the upper surface middle part of the air permeable plate is vertically arranged with column, and movable plate, institute are provided at the top of the column Stating movable plate is in the arcuate structure to raise upward, and spring, institute are provided between the lower surface of the movable plate and the top of column The two sides inner wall for stating snorkel is closely welded with fixed plate at movable plate, and the fixed plate is the arc knot being bent upwards The surface of structure, the air permeable plate offers air hole close to the two sides of column.
Compared with prior art, beneficial effects of the present invention: the configuration of the present invention is simple, it is easy to use, by being provided with Seal wire and air bag can facilitate the entrance of snorkel, to avoid damage to nasal cavity inner wall, be convenient for ventilating, by wherein setting The inlet end set can prevent blocking inside snorkel, to enhance inflation effect, the present invention has great practical value, just In popularization.
Detailed description of the invention
Fig. 1 is one of overall structure diagram of the invention;
Fig. 2 is the two of overall structure diagram of the invention;
Fig. 3 is one of the top internal structure chart of Center Vent tube of the present invention;
Fig. 4 is the two of the top internal structure chart of Center Vent tube of the present invention;
Fig. 5 is the three of overall structure diagram of the invention;
Fig. 6 is one of the structural schematic diagram of air charging system in the present invention;
Fig. 7 is the second structural representation of air charging system in the present invention.
In figure: 1, snorkel;11, bellows;2, air bag;21, gas tube;22, gas distribution channel;3, inlet end;31, elastic Pipe;32, groove;321, circular hole;4, support chip;41, interface channel;42, air inlet;5, seal wire;51, pull ring;6, anti-return machine Structure;61, air permeable plate;611, air hole;62, column;63, spring;64, movable plate;65, fixed plate;7, air charging system;71, it fills Gas head;711, link slot;712, valve inside;72, appendix;721, sealing sleeve pipe;73, connecting band;74, sealing-plug.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy Fixed orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1
A kind of inflatable nasopharyngeal air duct, as depicted in figs. 1 and 2, including snorkel 1, the middle section of snorkel 1 are connected with wave Line pipe 11, snorkel 1 are internally provided with seal wire 5, and the bottom end of snorkel 1 is led in the bottom end of seal wire 5, and the top of seal wire 5 passes through Air inlet 42 and it is connected with pull ring 51, the top of snorkel 1 is provided with support chip 4, and the surface of support chip 4 offers air inlet 42, interface channel 41, the top of interface channel 41 and air inlet are provided between the bottom of support chip 4 and the top of snorkel 1 42 are connected, and the bottom of interface channel 41 is connected with snorkel 1, and the outer wall of snorkel 1 is double-layer structure, which is Enclosed air bag 2, the top of support chip 4 are connected with gas tube 21, and the bottom end of snorkel 1 is provided with inlet end 3, air bag 2 Inside is the gas distribution channel 22 of hollow structure.
Specifically, the air bag 2 on snorkel 1 is directly connected to air passage, after filling gas water, 2 internal pressure of air bag increases, To expand, snorkel 1 is made (at this point, tube wall is double-deck, inner inflatable/water-bound, and in snorkel 1 to be gas in a tubular form Channel), in order to improve the ventilation efficiency of the nasopharyngeal air duct, can be optimized by the structure to double-layer tube wall, from And increase the inner/outer diameter of air passage, the part-structure of snorkel 1 is such as designed as double-layer structure, so that it is inflated rear gasbag 2 swollen It is swollen, it can play a supporting role, air bag 2 is designed as the helical form such as Fig. 1, may also be configured to herring-bone form, so not Only increase inner/outer diameter ratio, also helps pipeline in the fixation of nasal cavity.
In the present embodiment, bellows 11 is made of PVC material, with resistance to chemical corrosion, to oxidant, reducing agent And strong acid has very strong resistance, and wear-resisting, is readily produced, using safe, low in cost, can stretch and shorten Change the length of snorkel 1, is easy to use.
In addition, air bag 2 uses rubber material to be made, with elasticity and wearability well, can be supportted in inflation greatly, To play certain supporting role to nasal cavity.
It is worth noting that snorkel 1 is made of polyurethane foam material, structurally flexible has certain stretch Characteristic can change diameter according to internal gas, and outer wall softness is not easy to cause to damage to nasal cavity.
Pipeline can be made to be unlikely to slide into nasal cavity, necessary feelings it is worth noting that the outer diameter of interface channel 41 is sufficiently large Under condition, the structures such as road, pneumatic head Combined design therewith can also will be inflated.
Embodiment 2
In the specific use process, the bottom end of snorkel 1 is often since the liquid of nasal cavity or impurity result in blockage, from And the effect of ventilation is influenced, therefore, we on the basis of embodiment 1 make improvements inlet end 3, as shown in figure 5, air inlet End 3 is the cylindrical structure of inner hollow, and inlet end 3 is connected with elastic tube 31, elastic tube 31 close to one end of 1 bottom end of snorkel One end far from inlet end 3 is connect with the bottom end of snorkel 1, and the surface of inlet end 3 offers several grooves 32, the bottom of groove 32 Portion offers circular hole 321, and the bottom of groove 32 is the arcuate structure to lower recess.
In the present embodiment, elastic tube 31 is made of rubber material, and rubber has elasticity well, to guarantee elastic tube 31 have certain flexible ability, can expand and shrink according to the diameter of snorkel 1.
The working principle of the embodiment of the present invention 1 and embodiment 2 are as follows: when using the device, by snorkel 1 bottom end into Gas end 3 is slowly put into nasal cavity, and snorkel 1 is slowly inserted into, and is protruded into inside snorkel 1 by seal wire 5, can be convenient for snorkel 1 Into, after entering nasal cavity, since air bag 2 is shunk, thus it is smaller from the pharyngeal difficulty of nasal cavity merging, after merging, injection can be used Device injects gas into air bag 3 by gas tube 21, is located at jaw bow and the root of the tongue by support chip 4, and support is played at this and is made With to prevent root of the tongue suffix clogs airways, after injecting gas, air bag 2 is expanded to cannula-like, can moderately squeeze out nasal cavity Surrounding soft tissue maintains the air passage of certain internal diameter logical, and injecting gas to gas tube 21 inflates air bag 2, is supported by air pressure Nasal cavity inner wall, air bag 2 is possible to squeeze with nasal cavity tissue in the process, but will not rub substantially, viscous to nasal cavity Membrane damage is small, and air bag 2 expands soft, thin cavity, and reaches some strength, and branch overhangs the cavity for maintaining nasopharynx ventilation, gas When body enters tube drawing after air bag 2, can first gas bleeding so that reducing tube drawing to the greatest extent stimulates schneiderian membrane mitigate potential mucous membrane Oedema, when carrying out gas transmission, multiple circular holes 321 that 3 surface of inlet end opens up, which can be avoided, to result in blockage, so that ventilation effect Fruit is more preferable.
Embodiment 3
In the specific use process, when inflation, the air charging system not being connected to specially on gas tube 21, as shown in fig. 7, It is needed in inflation through inflator toward inflating inside gas tube 21, not only speed is slow for such mode, but also not due to gas tube 21 Enough length causes to inflate very inconvenient, and therefore, we are provided with air charging system in the outer end of the gas tube 21 on the basis of embodiment 2 7, air charging system 7 includes appendix 72, and one end of appendix 72 is connected with sealing sleeve pipe 721, sealing sleeve pipe 721 and gas tube 21 One end it is mating, the other end of appendix 72 is connected with pneumatic head 71, and the top of pneumatic head 71 offers link slot 711, Link slot 711 is internally provided with valve inside 712, and the outside of pneumatic head 71 is connected with connecting band 73, and connecting band 73 is far from inflation First 71 one end is connected with sealing-plug 74, and the size of sealing-plug 74 is adapted with the size of link slot 711.
In the present embodiment, the tpms-8 valve cock that valve inside 712 is produced using the state Ningbo City Yin pool small stream snowman's automobile fitting factory, When in use, by external air pump, the inflated hose of air pump is inserted into link slot 711, so that valve inside 712 is opened, thus into Row charge operation, gas passes through appendix 72, and then enters air bag 2, so that the expansion of air bag 2 is supported nasal cavity, leads to The setting for crossing valve inside 712 enables to 2 aeration speed of air bag to accelerate, and can be prolonged gas tube 21 by appendix 72 It is long, keep its inflation more convenient, can guarantee that air charging system 7 is easily installed and dismantles by sealing sleeve pipe 721, while will not make At interface gas leakage.
Embodiment 4
As the 4th kind of embodiment of the invention, in order to solve the problems, such as that gas generates reflux, the present inventor makes as follows Design is provided with anti-reflux mechanism 6, anti-reflux mechanism at gas tube 21 inside the top of air bag 2 as shown in Figure 3 and Figure 4 6 include air permeable plate 61, and the upper surface middle part of air permeable plate 61 is vertically arranged with column 62, and the top of column 62 is provided with movable plate 64, movable plate 64 is in the arcuate structure to raise upward, is provided with spring between the lower surface of movable plate 64 and the top of column 62 63, the two sides inner wall of snorkel 1 is closely welded with fixed plate 65 at movable plate 64, and fixed plate 65 is the arc being bent upwards The surface of shape structure, air permeable plate 61 offers air hole 611 close to the two sides of column 62.
Specifically, movable plate 64 and fixed plate 65 are made of stainless steel material, stainless steel has good resistance to air, steaming The weak corrosion such as vapour, water, can be used for a long time and be not likely to produce deformation.
In the present embodiment, when being inflated using the device, the gas inside air bag 2 generates pressure to movable plate 64, To make spring 63 compress, movable plate 64 moves down, makes to generate gap between movable plate 64 and fixed plate 65, gas from Gap is by entering lower section;
After gas enters lower section, movable plate 64 is since the effect of spring 63 moves up, thus the fixed plate 65 with two sides Contact, and then gas distribution channel 22 is closed, avoid gas backstreaming.
In above-described embodiment, when actual product converts, nasopharyngeal air duct can be arc-shaped, meets nasal cavity structure, length 10cm Left and right, internal diameter 7.5mm or so.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute Attached claims and its equivalent thereof.

Claims (6)

1. a kind of inflatable nasopharyngeal air duct, including snorkel (1), it is characterised in that: the top of the snorkel (1) is provided with The surface of support chip (4), the support chip (4) offers air inlet (42), the bottom and snorkel (1) of the support chip (4) Top between be provided with interface channel (41);
The outer wall of the snorkel (1) is double-layer structure, which is enclosed air bag (2), the support chip (4) Top is connected with gas tube (21), and the bottom end of the snorkel (1) is provided with inlet end (3), during the inside of the air bag (2) is The gas distribution channel (22) of hollow structure;
The outer end of the gas tube (21) is provided with air charging system (7), and the air charging system (7) includes appendix (72), described One end of appendix (72) is connected with sealing sleeve pipe (721), and the sealing sleeve pipe (721) and one end grafting of gas tube (21) are matched It closes, the other end of the appendix (72) is connected with pneumatic head (71), offers link slot at the top of the pneumatic head (71) (711), the link slot (711) is internally provided with valve inside (712), on the outside of the pneumatic head (71) is connected with connecting band (73), the connecting band (73) is connected with sealing-plug (74) far from the one end of pneumatic head (71), the size of the sealing-plug (74) It is adapted with the size of link slot (711).
2. inflatable nasopharyngeal air duct according to claim 1, it is characterised in that: the top of the interface channel (41) with Air inlet (42) is connected, and the bottom of the interface channel (41) is connected with snorkel (1).
3. inflatable nasopharyngeal air duct according to claim 1, it is characterised in that: the top of the gas tube (21) is run through The surface of support chip (4).
4. inflatable nasopharyngeal air duct according to claim 1, it is characterised in that: the middle section of the snorkel (1) connects There are bellows (11).
5. inflatable nasopharyngeal air duct according to claim 1, it is characterised in that: the inside of the snorkel (1) is arranged Have seal wire (5), the bottom end of snorkel (1) is led in the bottom end of the seal wire (5), and the top of the seal wire (5) passes through air inlet (42) and pull ring (51) are connected with.
6. inflatable nasopharyngeal air duct according to claim 1, it is characterised in that: leaned on inside the top of the air bag (2) It is provided with anti-reflux mechanism (6) at nearly gas tube (21), the anti-reflux mechanism (6) includes air permeable plate (61), the air permeable plate (61) upper surface middle part is vertically arranged with column (62), is provided with movable plate (64), the work at the top of the column (62) Movable plate (64) is in the arcuate structure to raise upward, is provided between the lower surface of the movable plate (64) and the top of column (62) The two sides inner wall of spring (63), the snorkel (1) is closely welded with fixed plate (65), the fixation at movable plate (64) Plate (65) is the arcuate structure being bent upwards, and the surface of the air permeable plate (61) offers ventilative close to the two sides of column (62) Hole (611).
CN201910012750.3A 2019-01-07 2019-01-07 A kind of inflatable nasopharyngeal air duct Pending CN109498943A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114344679A (en) * 2021-07-08 2022-04-15 罗小波 Tube made of film and trachea cannula
WO2023280164A1 (en) * 2021-07-08 2023-01-12 罗小波 Tube made of thin film and tracheal tube
CN116893030A (en) * 2023-06-28 2023-10-17 中国人民解放军海军工程大学 Airtight detection device of high-pressure pipeline

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CN106039509A (en) * 2016-07-08 2016-10-26 河南亚都实业有限公司 Laryngeal mask for use in medical device
CN106110463A (en) * 2016-08-19 2016-11-16 南京市第医院 A kind of visual scalable band cuff nasopharyngeal air duct device and using method
CN209984742U (en) * 2019-01-07 2020-01-24 南京医科大学附属逸夫医院 Inflatable nasopharynx air vent

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US4579114A (en) * 1983-10-11 1986-04-01 Wisdom Corporation Mouth to mouth resuscitation device
US20060042630A1 (en) * 2002-11-12 2006-03-02 Oren Gavriely Intra-airway ventilation
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JP2012055472A (en) * 2010-09-08 2012-03-22 Arao Ichi Phonation assisting device
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CN106110463A (en) * 2016-08-19 2016-11-16 南京市第医院 A kind of visual scalable band cuff nasopharyngeal air duct device and using method
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114344679A (en) * 2021-07-08 2022-04-15 罗小波 Tube made of film and trachea cannula
WO2023280164A1 (en) * 2021-07-08 2023-01-12 罗小波 Tube made of thin film and tracheal tube
CN116893030A (en) * 2023-06-28 2023-10-17 中国人民解放军海军工程大学 Airtight detection device of high-pressure pipeline

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