CN110093262B - Liquid collection device for bronchoscope - Google Patents
Liquid collection device for bronchoscope Download PDFInfo
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- CN110093262B CN110093262B CN201910476548.6A CN201910476548A CN110093262B CN 110093262 B CN110093262 B CN 110093262B CN 201910476548 A CN201910476548 A CN 201910476548A CN 110093262 B CN110093262 B CN 110093262B
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- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 238000005070 sampling Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 19
- 230000028327 secretion Effects 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 14
- 210000004712 air sac Anatomy 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 description 4
- 244000052769 pathogen Species 0.000 description 4
- 230000001717 pathogenic effect Effects 0.000 description 4
- 210000000621 bronchi Anatomy 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/12—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by pressure
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Endoscopes (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a liquid collecting device for a bronchoscope, which comprises a sampling tube, a collecting tube and a liquid collecting bottle; the sampling tube comprises an inner sleeve and an outer sleeve; a collecting pipe is sleeved in the inner sleeve; the collecting pipe is communicated with a negative-pressure collecting bottle; the lower nozzles of the inner sleeve and the outer sleeve are respectively provided with a nozzle opening and closing device. The invention is matched with a bronchoscope to absorb secretions and alveolar lavage fluid at the far end of the airway, and the double airtight closure opens or closes the mouth channel of the inner and outer sleeves, so that the device is ensured to be introduced into the bronchoscope and the aseptic environment in the whole process of collection; the umbrella-shaped structure is opened, so that the inner sleeve and the collecting tube can be prevented from contacting upper airway secretions adhered to the surface of the air sac, and the reliability of collecting liquid samples is ensured; lavage is carried out on bronchoalveoli, so that lavage liquid is not contacted with upper airway secretion, and sampling is not polluted by upper airway flora; the sampling amount is observed in the whole process, so that the rapid sampling record is convenient; and carrying out negative pressure drainage sampling operation by manual or automatic operation.
Description
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a liquid collection device for a bronchoscope.
Background
At present, the rise of pathogen gene sequencing opens up a new world for infectious disease diagnosis and becomes a mainstream method for later disease diagnosis, but whether Xpert or NGS, the accuracy of collected samples needs to be ensured to obtain meaningful results. The method for sucking the secretion at the far end of the airway through the bronchoscope and the lavage liquid through the bronchoscope alveoli are all common methods for obtaining the specimen at the infected part of the airway, but the existing liquid specimen collecting device is directly connected with the suction end of the bronchoscope for sucking, so that the pathogen of the airway adhered to the far end of the bronchoscope is inevitably brought into the collecting device, and the specimen is inevitably polluted.
Disclosure of Invention
In order to overcome the technical defects, the invention aims to provide a dual airtight closed inner and outer sleeve orifice channel, which ensures that the device is introduced into a bronchoscope and a sterile environment in the whole collection process; meanwhile, the umbrella-shaped structure is opened, so that the inner sleeve and the collecting tube can be prevented from contacting upper airway secretions adhered to the surface of the air sac, and the reliability of collecting liquid samples is ensured; the bronchoalveolar lavage can be performed through the tee joint, so that lavage liquid is ensured not to contact with upper airway secretions, and sampling is not polluted by upper airway flora; the depth of the device entering the bronchus can be well identified and observed, the operation is convenient and accurate, the sampling amount is observed in the whole process, and the rapid sampling record is convenient; the whole course is manually or automatically operated to carry out negative pressure drainage, and the liquid sample collection device is matched with a bronchoscope to absorb the secretion at the far end of the airway and the alveolar lavage fluid.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
the technical scheme is that the liquid collecting device for the bronchoscope comprises a sampling tube, a collecting tube and a liquid collecting bottle; the sampling tube comprises an inner sleeve and an outer sleeve; a collecting pipe is sleeved in the inner sleeve; the collecting pipe is communicated with a negative-pressure collecting bottle; the lower nozzles of the inner sleeve and the outer sleeve are respectively provided with a nozzle opening and closing device.
As optimization, the pipe orifice opening and closing device on the lower pipe orifice of the outer sleeve comprises an annular air bag and an air bag inflation and deflation pipeline; the air bag inflating and deflating pipeline is communicated with the annular air bag, and the annular air bag is arranged on the inner side of the lower pipe orifice of the outer sleeve. The pipe orifice opening and closing device on the lower pipe orifice of the inner sleeve comprises an umbrella-shaped structure and an L-shaped umbrella-shaped switch; the lower end of the L-shaped umbrella-shaped switch is connected with the upper end of the umbrella-shaped structure through a group of mutually meshed gear mechanisms; the inner wall of the outer sleeve is provided with a spiral groove; the L-shaped umbrella-shaped switch rotates to drive the umbrella-shaped structure to move up and down in the spiral groove on the inner wall of the outer sleeve; the upper end of the umbrella-shaped structure is sleeved on the lower pipe orifice of the inner sleeve. The sampling pipeline is opened or closed in double airtight mode, whole process is sterile, and reliability is guaranteed.
As optimization, the liquid collecting bottle is connected with the negative pressure suction device through a pipeline, and a switch is arranged on the communicating pipeline. The tee joint is arranged on the communicating pipe of the collecting pipe and the collecting bottle, so that the bronchoalveoli can be irrigated, the lavage liquid is ensured not to contact with the secretion of the upper airway, and the sampled liquid sample is not polluted by the flora of the upper airway.
Compared with the prior art, the invention has the beneficial effects that:
1. the umbrella-shaped structure and the annular air bag in the acquisition device realize double airtight closing on the pipe orifice channels of the inner and outer sleeves, and ensure the sterile environment of the device in the process of introducing a bronchoscope and the process of sampling and acquisition; meanwhile, when the umbrella-shaped structure is opened, the inner sleeve and the collecting tube can be prevented from contacting upper airway secretion adhered to the surface of the air sac, so that the reliability of a liquid sample is ensured.
2. Through the tee joint, the bronchoalveolar lavage can be performed, the lavage liquid is ensured not to contact with the upper airway secretion, and the sampled liquid sample can not be polluted by the upper airway flora.
3. The sampling tube and the sampling tube are provided with scale marks, so that the depth of the device which is introduced into the bronchus can be well identified and observed, and the accurate operation is convenient; the liquid collecting bottle is provided with scales, so that the whole process of observing the sampling amount is convenient, and the rapid sampling and recording are realized.
4. The device is provided with a switch through a pipeline communicated with the outside of the negative pressure suction device, and simultaneously, the negative pressure drainage sampling is carried out through the whole manual or automatic operation through a tee joint arranged on a communicating pipeline of the collecting pipe and the liquid collecting bottle.
The matched bronchoscope is used for sucking the secretions and the alveolar lavage fluid at the far end of the airway, the sampling operation is simple and quick, the whole-process air tightness is good, the whole process of sampling the liquid sample is sterile, the sample is effectively prevented from being polluted by the secretions of the upper airway, and the pathogen detection result is disturbed; the whole disposable can prevent the spread of diseases.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of the front view structure of the present invention.
The marks in the figure: the device comprises a collecting tube 1, a collecting bottle 2, an inner sleeve 3, an outer sleeve 4, an umbrella-shaped structure 5,L type umbrella-shaped switch 6, an annular air bag 7, an air bag inflation and deflation pipeline 8, a switch 9 and a tee joint 10.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment, as shown in fig. 1, the invention is a liquid collecting device for a bronchoscope, which comprises a sampling tube, a collecting tube 1 and a liquid collecting bottle 2; the sampling tube comprises an inner sleeve 3 and an outer sleeve 4; the inner sleeve 3 is sleeved with a collecting tube 1; the collecting pipe 1 is communicated with a negative pressure collecting bottle 2; the lower nozzles of the inner sleeve 3 and the outer sleeve 4 are respectively provided with a nozzle opening and closing device. The pipe orifice opening and closing device on the lower pipe orifice of the outer sleeve 4 comprises an annular air bag 7 and an air bag inflation and deflation pipeline 8; the air bag inflating and deflating pipeline 8 is communicated with the annular air bag 7, and the annular air bag 7 is arranged on the inner side of the lower pipe orifice of the outer sleeve 4. The pipe orifice opening and closing device on the lower pipe orifice of the inner sleeve 3 comprises an umbrella-shaped structure 5 and an L-shaped umbrella-shaped switch 6; the lower end of the L-shaped umbrella-shaped switch 6 is connected with the upper end of the umbrella-shaped structure 5 through a group of meshed gear mechanisms; the inner wall of the outer sleeve 4 is provided with a spiral groove; the L-shaped umbrella-shaped switch 6 rotates to drive the umbrella-shaped structure 5 to move up and down in the spiral groove on the inner wall of the outer sleeve 4; the upper end of the umbrella-shaped structure 5 is sleeved on the lower pipe orifice of the inner sleeve 3. The liquid collecting bottle 2 is connected with the negative pressure suction device through a pipeline, and a switch 9 is arranged on the communicating pipeline. The communicating pipe of the collecting pipe 1 and the collecting bottle 2 is provided with a tee joint 10.
Firstly, the umbrella-shaped structure 5 is driven to press and close the lower pipe orifice of the inner sleeve 3 by the rotation of the L-shaped umbrella-shaped switch 6; the annular air bag 7 is inflated through the air bag inflation and deflation pipeline 8, and the inner end of the outer sleeve 4 is inflated and sealed. The whole device enters into the infected part of the patient along with the bronchoscope channel, and the inner sleeve 3 and the outer sleeve 4 are respectively provided with scale marks, so that the depth of the device entering into the bronchus can be well identified and observed, and the device is convenient to record. After the acquisition device reaches the infection part of a patient, the umbrella-shaped structure 5 is driven to open the lower pipe orifice channel of the inner sleeve 3 by rotating the L-shaped umbrella-shaped switch 6, the annular air bag 7 is deflated by the air bag inflation and deflation pipeline 8, and the lower pipe orifice channel of the outer sleeve 4 is opened. The switch 9 is opened to control the communication pipeline between the liquid collecting bottle 2 and the negative pressure suction device to form a negative pressure state, and under the action of the negative pressure, the liquid to be collected at the infected part is drained into the liquid collecting bottle 2; the liquid collecting bottle 2 achieves the sampling amount, the annular air bag 7 is inflated through the air bag inflation and deflation pipeline 8, the inner wall of the outer sleeve 4 is sealed in an annular mode, the L-shaped umbrella-shaped switch 6 rotates to drive the umbrella-shaped structure 5 to close the lower pipe orifice of the inner sleeve 3, the switch 9 closes the negative pressure channel, negative pressure is cut off, and accordingly liquid sampling is completed.
The liquid collecting bottle 2 is provided with scales, so that the collection amount of a sampling sample can be conveniently and timely observed, the operation can be conveniently and timely stopped, and the pain of a patient can be relieved. The three-way 10 is arranged on the communicating pipeline of the collecting pipe 1 and the collecting bottle 2, physiological saline is injected through the three-way, lavage of bronchoalveoli is carried out, lavage liquid is ensured not to contact with upper airway secretion, and sampling is not polluted by upper airway flora; when the outside is not provided with a negative pressure suction device, the switch 9 is closed, and the three-way valve 10 is connected with the injector to conduct artificial negative pressure sampling drainage. The open end of the tee 10 is normally closed and opened when desired.
The umbrella-shaped structure 5 is arranged between the inner sleeve 3 and the outer sleeve 4 and is connected and integrated through transverse confluence of the upper ends of the micro-bent core bar structures. The lower end of the L-shaped umbrella-shaped switch 6 is connected with the upper end of the umbrella-shaped structure 5 through a group of meshed gear mechanisms; the inner wall of the outer sleeve 4 is provided with a spiral groove; the lower end of the L-shaped umbrella-shaped switch 6 is fixedly provided with a latch, the upper end of the umbrella-shaped structure 5 is fixedly provided with a latch, meanwhile, the umbrella-shaped structure 5 is installed in the spiral groove through the latch on the umbrella-shaped structure, and a gear at the lower end of the L-shaped umbrella-shaped switch 6 is meshed with a gear at the upper end of the umbrella-shaped structure 5. The L-shaped umbrella-shaped switch 6 rotates to drive the umbrella-shaped structure 5 to move up and down in the spiral groove on the inner wall of the outer sleeve 4, the L-shaped umbrella-shaped switch 6 rotates anticlockwise, through the gear mechanism meshed with each other, the upper latch of the umbrella-shaped structure 5 moves upwards gradually along with the spiral groove, the umbrella-shaped structure is pulled upwards, the microbend core bars in the umbrella-shaped structure 5 are gradually folded, and the microbend core bars are overlapped inwards and held tightly, so that the lower pipe orifice of the inner sleeve 3 is tightly pressed and closed, and the tightness of the inside of the collecting pipe in the process of entering the bronchoscope is ensured. The device is integrally introduced into a bronchoscope, after reaching an infection part, an L-shaped umbrella-shaped switch 6 rotates clockwise, through a gear mechanism meshed with each other, a latch on an umbrella-shaped structure 5 moves downwards gradually along with a spiral groove on an outer sleeve 4, the umbrella-shaped structure is pressed down, a microbending core bar in the umbrella-shaped structure 5 is unfolded gradually, and a lower opening of an inner sleeve 3 is opened, so that a collection channel of a mining header 1 is drilled. After the umbrella-shaped structure 5 is opened, the inner sleeve 3 and the collecting tube 1 can be prevented from contacting with upper airway secretion adhered to the surface of the air sac, and the reliability of collecting liquid is ensured. The switch operation part of the umbrella-shaped structure is L-shaped, the switch position is fixed, the umbrella-shaped structure 5 is ensured not to retract and deform in use, and the sampling and collecting process is ensured to be carried out smoothly. The air bag inflating and deflating pipeline 8 is externally connected with an injector, the annular air bag 7 is inflated at any time through the injector or the gas in the annular air bag 7 is reduced, the inflation opening of the annular air bag 7 before the outer sleeve 4 is collected and sampled is closed, and the device is ensured to be introduced into a bronchoscope and maintain a sterile environment in the whole process of collection. The annular air bag 7 and the umbrella-shaped structure 5 perform double-pipe-opening airtight closing on the sampling pipe and the inner sleeve pipe 3, so that the whole-course sterile state of the sampling pipe in the process from entering the bronchoscope to reaching the infection position is ensured.
The collecting tube 1, the inner sleeve 3 and the outer sleeve 4 are all made of medical sterile soft materials; the whole collection device is made of disposable materials. The general technical dimensions of the invention are as follows: the diameter of the outer sleeve 4 of the liquid collecting device is usually 1.8mm, the diameter of the inner sleeve 3 is usually 1.5mm, and the lower end of the inner sleeve 3 is shorter than the outer sleeve 4 by 5mm. The length of the outer sleeve 4 is 85cm, the length of the collecting tube is 110cm, and the diameter is 1.4mm. The matched bronchoscope is used for sucking the secretions and the alveolar lavage fluid at the far end of the airway, the sampling operation is simple and quick, the whole-process air tightness is good, the whole process of the sampled liquid sample is sterile, the sample is effectively prevented from being polluted by the secretions of the upper airway, and the pathogen detection result is disturbed; the whole disposable can prevent the spread of diseases. The invention enlarges the whole diameter by three times, and is suitable for taking the sample through the trachea cannula.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (1)
1. A liquid collection device for a bronchoscope, characterized by: comprises a sampling tube, a collecting tube (1) and a liquid collecting bottle (2); the sampling tube comprises an inner sleeve (3) and an outer sleeve (4); the inner sleeve (3) is sleeved with a collecting pipe (1); the collecting pipe (1) is communicated with a negative pressure collecting bottle (2); the lower pipe orifices of the inner sleeve (3) and the outer sleeve (4) are respectively provided with a pipe orifice opening and closing device;
the pipe orifice opening and closing device on the lower pipe orifice of the outer sleeve (4) comprises an annular air bag (7) and an air bag inflation and deflation pipeline (8); the air bag inflation and deflation pipeline (8) is communicated with the annular air bag (7), and the annular air bag (7) is arranged at the inner side of the lower pipe orifice of the outer sleeve (4);
the pipe orifice opening and closing device on the lower pipe orifice of the inner sleeve (3) comprises an umbrella-shaped structure (5) and an L-shaped umbrella-shaped switch (6); the lower end of the L-shaped umbrella-shaped switch (6) is connected with the upper end of the umbrella-shaped structure (5) through a pair of meshed gear mechanisms; the inner wall of the outer sleeve (4) is provided with a spiral groove; the L-shaped umbrella-shaped switch (6) rotates to drive the umbrella-shaped structure (5) to move up and down in the spiral groove on the inner wall of the outer sleeve (4); the upper end of the umbrella-shaped structure (5) is sleeved on the lower pipe orifice of the inner sleeve (3);
the liquid collecting bottle (2) is connected with a negative pressure suction device through a pipeline, and a switch (9) is arranged on the communicating pipeline;
and a tee joint (10) is arranged on a communicating pipeline between the collecting pipe (1) and the liquid collecting bottle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476548.6A CN110093262B (en) | 2019-06-03 | 2019-06-03 | Liquid collection device for bronchoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476548.6A CN110093262B (en) | 2019-06-03 | 2019-06-03 | Liquid collection device for bronchoscope |
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| Publication Number | Publication Date |
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| CN110093262A CN110093262A (en) | 2019-08-06 |
| CN110093262B true CN110093262B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910476548.6A Active CN110093262B (en) | 2019-06-03 | 2019-06-03 | Liquid collection device for bronchoscope |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112439540B (en) * | 2019-08-30 | 2022-08-30 | 中国石油天然气股份有限公司 | Light and heavy mineral separation device and method |
| HUP2000133A1 (en) | 2020-04-15 | 2021-10-28 | Wiva Med Bt | Medical device for collecting and transporting secretion samples for sterile medical and/or pharmaceutical applications |
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| CN207886467U (en) * | 2017-07-03 | 2018-09-21 | 新乡医学院三全学院 | A kind of clinical care drainage device |
| CN109100179A (en) * | 2018-08-14 | 2018-12-28 | 李志荃 | A kind of Infectious Disease's protection cause of disease sample collecting device |
| CN109620304A (en) * | 2018-12-14 | 2019-04-16 | 中国人民解放军陆军特色医学中心 | A kind of Medical biopsy sampler |
| CN210134109U (en) * | 2019-06-03 | 2020-03-10 | 天津市胸科医院 | Liquid collecting device for bronchoscope |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011013744A1 (en) * | 2011-03-11 | 2012-09-13 | Gunnar Loske | Vacuum endoscopy system for endoscopic examination of gastro-intestinal track, has vaccum pump unit that is provided with receptacle to which over tube and endoscope are attached |
| US20130060160A1 (en) * | 2011-09-01 | 2013-03-07 | Stephen Heier | Tissue and fluid sampling device and method |
| US10314995B2 (en) * | 2017-08-17 | 2019-06-11 | Yang Sun | Endotracheal intubation and supraglottic airway device |
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2019
- 2019-06-03 CN CN201910476548.6A patent/CN110093262B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206372369U (en) * | 2016-09-29 | 2017-08-04 | 河南众创盛业医疗科技有限公司 | Wireless visible bronchial blocker |
| CN207886467U (en) * | 2017-07-03 | 2018-09-21 | 新乡医学院三全学院 | A kind of clinical care drainage device |
| CN109100179A (en) * | 2018-08-14 | 2018-12-28 | 李志荃 | A kind of Infectious Disease's protection cause of disease sample collecting device |
| CN109620304A (en) * | 2018-12-14 | 2019-04-16 | 中国人民解放军陆军特色医学中心 | A kind of Medical biopsy sampler |
| CN210134109U (en) * | 2019-06-03 | 2020-03-10 | 天津市胸科医院 | Liquid collecting device for bronchoscope |
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