CN209884104U - Bronchoalveolar lavage fluid collection device and fiber bronchoscope - Google Patents
Bronchoalveolar lavage fluid collection device and fiber bronchoscope Download PDFInfo
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- CN209884104U CN209884104U CN201920432848.XU CN201920432848U CN209884104U CN 209884104 U CN209884104 U CN 209884104U CN 201920432848 U CN201920432848 U CN 201920432848U CN 209884104 U CN209884104 U CN 209884104U
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Abstract
The utility model discloses a bronchoalveolar lavage fluid collection device and fibre bronchoscope. The bronchoalveolar lavage fluid collecting device comprises a negative pressure main pipeline, a lavage fluid collector, a first negative pressure pipe and a second negative pressure pipe, wherein the two ends of the negative pressure main pipeline are respectively connected with an external source negative pressure aspirator and a fiber bronchoscope; a first valve for controlling the flow of alveolar lavage fluid to the exogenous negative pressure aspirator is arranged between the positions where the first negative pressure tube and the second negative pressure tube are respectively communicated with the negative pressure main pipeline, and a second valve for controlling the flow of alveolar lavage fluid to the lavage fluid collector is arranged on the first negative pressure tube; the first negative pressure pipe is communicated with the negative pressure main pipeline and is positioned close to the side of the fiberbronchoscope. The utility model discloses a switch of first, second valve of control can control the flow of alveolar lavage liquid to and the collection of lavage liquid sample, plays convenient operation, can repeatedly change the collector and reduce the effect of nosocomial infection incidence.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to bronchoalveolar lavage fluid collection device and fiber bronchoscope.
Background
The application of the fiberbronchoscope alveolar lavage is very wide in the diagnosis and treatment process of respiratory diseases, and the operation method mainly comprises the following steps: the fiber bronchoscope is placed in the nasal cavity or the oral cavity, when the bronchoscope enters a diseased bronchus, normal saline is injected from a side hole (biopsy hole) of the bronchoscope for suction, the liquid on the surface of an alveolus is collected, substances filled in the alveolus are removed, inflammation and immune cells and soluble substances are checked, and the purpose of definite diagnosis and treatment is achieved.
In the actual operation process, according to the consensus of Chinese experts in the detection of lung infectious disease bronchoalveolar lavage etiology (2017), normal saline is adopted for lavage (60-120ml), the lavage liquid is injected for times (20-50ml), the lavage liquid needs to be treated independently or discarded for the first time, the recovery rate of the alveolar lavage liquid is ensured to be more than 30%, and the detection amount of each sample is generally 10-20ml (at least 5 ml). However, the current clinical irrigation and collection of alveolar lavage is done by: the sputum is firstly sucked by the sputum suction tube connected with the fiberoptic bronchoscope, the first alveolar lavage fluid is sucked, then the alveolar lavage fluid collector is replaced to collect the alveolar lavage fluid, and meanwhile, a plurality of etiological samples are generally required to be reserved for inspection and the collector is required to be replaced repeatedly. This procedure requires complicated procedures in the irrigation and collection of alveolar lavage fluid, requires additional personnel, is cumbersome in clinical operation, and is prone to increase the incidence of ventilator-associated pulmonary infection.
In addition, the conventional lavage fluid collector is not matched with a clinical common fiber bronchoscope interface, and the conventional lavage fluid collector needs to be cut by using scissors, so that inconvenience is caused in operation, and the nosocomial infection incidence rate is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned troublesome poeration's defect that need change lavage liquid collector and pipeline many times and bring of collection alveolus lavage liquid in-process of prior art, provide a bronchoalveolar lavage liquid collection device and fibre bronchoscope.
The utility model provides a technical scheme that its technical problem adopted is: construct a bronchoalveolar lavage fluid collection device, including the negative pressure trunk line that external source negative pressure aspirator, fibre bronchoscope are connected respectively at both ends, its characterized in that still includes
The lavage fluid collector is used for collecting alveolar lavage fluid, and the first negative pressure pipe and the second negative pressure pipe are respectively communicated with the negative pressure main pipeline and the lavage fluid collector;
wherein a first valve for controlling the flow of alveolar lavage fluid to an external source negative pressure aspirator is arranged between the positions where the first negative pressure tube and the second negative pressure tube are respectively communicated with the negative pressure main pipeline, and a second valve for controlling the flow of alveolar lavage fluid to the lavage fluid collector is arranged on the first negative pressure tube; the first negative pressure pipe is communicated with the negative pressure main pipeline and is positioned close to the side of the fiber bronchoscope.
Preferably, the lavage liquid collector is provided with a first connecting pipe and a second connecting pipe which are connected with the first negative pressure pipe and the second negative pressure pipe in a matching way respectively.
Preferably, one end of the lavage liquid collector is provided with a first cover, the first connecting pipe and the second connecting pipe are arranged on the first cover, and the first cover is in threaded connection with the main body of the lavage liquid collector.
Preferably, the other end of the lavage liquid collector is provided with a second cover, and the second cover is in threaded connection with the main body of the lavage liquid collector.
Preferably, a third connecting pipe and a fourth connecting pipe which are matched and connected with the first negative pressure pipe and the second negative pressure pipe are respectively arranged on the negative pressure main pipeline.
Preferably, the main negative pressure pipeline is further provided with a first limiting pipe and a second limiting pipe which are sleeved on the main negative pressure pipeline, and the first limiting pipe and the second limiting pipe are respectively connected with the third connecting pipe and the fourth connecting pipe in a matching manner.
Preferably, the lavage liquid collector is provided with a scale, the sensitivity of the lavage liquid collector is 5mL, and the volume of the lavage liquid collector is 30 mL.
Preferably, the negative pressure main pipeline is provided with a threaded interface which is matched and connected with the fiber bronchoscope and has an inner diameter of 4mm and an outer diameter of 5mm at one end connected with the fiber bronchoscope.
Preferably, one end of the negative pressure main pipeline connected with the external source negative pressure suction device is provided with a threaded interface matched and connected with the external source negative pressure suction device.
Based on the same concept, the utility model provides a fiber bronchoscope, including adopting foretell bronchoalveolar lavage liquid collection device.
Implement the utility model discloses a bronchoalveolar lavage liquid collection device and fibre bronchoscope have following beneficial effect:
the flow direction that can control alveolar lavage liquid through opening and closing of control first valve, second valve is in order to realize the collection to a plurality of specimens of lavage liquid, reaches the loaded down with trivial details operation that need change pipeline and lavage liquid collector just can realize the collection of lavage liquid specimen in the middle of exempting, plays the effect that reduces the nosocomial infection incidence.
In addition, through the screw thread interface that design and fiberbronchoscope matched with and be connected, reach the effect that can adapt to most fiberbronchoscope interface on the market, overcome among the prior art lavage fluid collector and the not supporting defect of fiberbronchoscope interface of use.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic view of the alveolar lavage fluid collection device of the present invention;
in the attached drawing, 1 is a negative pressure main pipeline, 2 is a first negative pressure pipe, 3 is a second negative pressure pipe, 4 is a first valve, 5 is a second valve, 6 is a first connecting pipe, 7 is a second connecting pipe, 8 is a first cover, 9 is a lavage liquid collector main body, 10 is a second cover, 11 is a third connecting pipe, 12 is a fourth connecting pipe, 13 is a first limiting pipe, and 14 is a second limiting pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, in conjunction with the examples and the accompanying drawings, is intended to illustrate the present invention in further detail, and the exemplary embodiments and the description thereof are only used for explaining the present invention, and are not intended to limit the present invention.
The utility model discloses an alveolar lavage fluid collecting device, as shown in figure 1, the device comprises a negative pressure main pipeline 1 with two ends respectively connected with an external source negative pressure aspirator and a fiberbronchoscope, a lavage fluid collector for collecting alveolar lavage fluid, and a first negative pressure pipe 2 and a second negative pressure pipe 3 respectively communicated with the negative pressure main pipeline 1 and the lavage fluid collector; wherein, a first valve 4 for controlling the flow of alveolar lavage fluid to an exogenous negative pressure aspirator is arranged between the positions where the first negative pressure tube 2 and the second negative pressure tube 3 are respectively communicated with the negative pressure main tube 1, and a second valve 5 for controlling the flow of alveolar lavage fluid to a lavage fluid collector is arranged on the first negative pressure tube 2; wherein, the position that first negative pressure pipe 2 and negative pressure main pipe 1 communicate is in being close to fiberoptic bronchoscope side.
It can be understood that, the fiberbronchoscope in this embodiment can adopt the existing fiberbronchoscope for performing bronchoalveolar lavage, and the exogenous negative pressure aspirator can adopt the existing negative pressure sputum suction tube for generating negative pressure and sucking out sputum and alveolar lavage fluid, and understandably, the opening of the exogenous negative pressure aspirator is realized by opening the fiberbronchoscope negative pressure aspirator valve, and the closing of the exogenous negative pressure aspirator is realized by closing the fiberbronchoscope negative pressure aspirator valve.
In the embodiment, a threaded interface which is matched and connected with a fiber bronchoscope and has an inner diameter of 4mm and an outer diameter of 5mm is arranged at one end of the negative pressure main pipeline 1 connected with the fiber bronchoscope; the main negative pressure pipeline 1 is provided with a threaded interface matched and connected with an external negative pressure suction device at one end connected with the external negative pressure suction device. In the implementation process, the negative pressure main pipeline 1 realizes that two ends are respectively connected with the fiber bronchoscope and the thread interface of the exogenous negative pressure aspirator through the thread interface which is matched and connected with the fiber bronchoscope and the thread interface which is matched and connected with the exogenous negative pressure aspirator. In this embodiment, through the screw thread interface that designs and fiberbronchoscope matched with and be connected, reach the purpose that can link to each other with most fiberbronchoscope interface on the market to the defect that lavage fluid collector and the fiberbronchoscope interface that uses are not supporting among the prior art has been overcome.
During the use process, the fiberbronchoscope is inserted into the bronchus, the sterilized normal saline is injected from the side hole of the fiberbronchoscope, the alveolus is lavaged, and the corresponding alveolar lavage fluid is collected by the external negative pressure aspirator after the lavage is completed.
In this embodiment, communicate negative pressure trunk line 1 and lavage liquid collector respectively through first negative pressure pipe 2 and second negative pressure pipe 3, formed the passageway that accessible first negative pressure pipe 2 and second negative pressure pipe 3 carried out the intercommunication between negative pressure trunk line 1 and the lavage liquid collector, realized accessible negative pressure trunk line 1 and collected alveolar lavage liquid to exogenous negative pressure aspirator and accessible negative pressure trunk line 1 and first negative pressure pipe 2, second negative pressure pipe 3 collects alveolar lavage liquid to the purpose of lavage liquid collector. In this embodiment, the length of the main negative pressure pipe 1 is 800mm, and the lengths of the first negative pressure pipe 2 and the second negative pressure pipe 3 are 140mm, the inner diameter is 2.5mm, and the outer diameter is 3.5 mm.
In the embodiment, a first valve 4 is arranged between the positions of the main negative pressure pipeline 1 communicated with the first negative pressure pipe 2 and the second negative pressure pipe 3 respectively, and is used for controlling the flow of alveolar lavage fluid to an external negative pressure aspirator, in the embodiment, the position of the main negative pressure pipeline 1 communicated with the main negative pressure pipeline is the first negative pressure pipe 2 close to the fiber bronchoscope side, and the position of the main negative pressure pipeline 1 communicated with the main negative pressure pipeline is the second negative pressure pipe 3 far away from the fiber bronchoscope side; and, set up the second valve 5 on the first negative pressure tube 2, in order to control the alveolar lavage fluid to flow from the first negative pressure tube 2 to the lavage fluid collector; it will be understood that the first and second valves 4, 5 are used to switch the mode of allowing or blocking the flow of alveolar lavage fluid through the tubes of the first and second valves 4, 5. it will be understood that when the bronchoalveolar lavage fluid collection device is used to collect alveolar lavage fluid, one of the valves is required to be kept closed, and the type of the selected valve is not limited herein, and can be selected by the skilled person according to actual needs.
In this embodiment, the lavage fluid collector is provided with a first connecting tube 6 and a second connecting tube 7 respectively connected with the first negative pressure tube 2 and the second negative pressure tube 3. Understandably, the first connecting pipe 6 and the second connecting pipe 7 are respectively matched and connected with the first negative pressure pipe 2 and the second negative pressure pipe 3, so that the lavage liquid collector is communicated with the first negative pressure pipe 2 and the second negative pressure pipe 3. In this embodiment, in order to realize the communication between the two devices, the first connecting tube 6, the second connecting tube 7, the first negative pressure tube 2 and the second negative pressure tube 3 are all tubes with two ends communicated, wherein the lavage liquid collector can be made of high density polyethylene material; in the embodiment, the lavage liquid collector is respectively detachably connected with the first negative pressure tube 2 and the second negative pressure tube 3, so that the device is convenient to replace; in some embodiments, the irrigation liquid collector does not need to be provided with a connecting tube, and is directly connected with the first negative pressure tube 2 and the second negative pressure tube 3 on the surface of the irrigation liquid collector, for example, the irrigation liquid collector is integrally designed with the first negative pressure tube 2 and the second negative pressure tube 3.
In this embodiment, one end of the lavage liquid collector is provided with a first cover 8, the first connecting tube 6 and the second connecting tube 7 are arranged on the first cover 8, and the first cover 8 is in threaded connection with the main body of the lavage liquid collector. Understandably, the lavage liquid collector includes lavage liquid collector main part 9 and first lid 8, and first lid 8 is connected with lavage liquid collector main part 9 through threaded interface, realized keeping the state that lavage liquid collector is closed in alveolar lavage liquid collection process, only need loosen first lid 8 and lavage liquid collector main part 9 can carry out the lavage liquid collector and change in the collection process to need not demolish first negative pressure pipe 2, second negative pressure pipe 3 and reconnect first negative pressure pipe 2, second negative pressure pipe 3, convenient to use.
The other end of the irrigation collector is provided with a second cap 10, and the second cap 10 is in threaded connection with the body of the irrigation collector. It will be appreciated that the irrigation collector also includes a second cap 10, and that the second cap 10 is connected to the irrigation collector body 9 by a screw-threaded interface for maintaining the irrigation collector in a secure condition after completion of alveolar irrigation collection and during the delivery procedure; specifically, after the collection is completed, the collected alveolar lavage fluid can be taken out by loosening the first cap 8 and the lavage fluid collector body 9, and simultaneously screwing off the second cap 10 for screwing on the upper part of the lavage fluid collector body 9, so as to ensure the tightness and no pollution of the collected alveolar lavage fluid. The second lid 10 can regard as lavage liquid sample household utensils to inspect simultaneously, reduces the trouble of changing the inspection household utensils, has also avoided simultaneously that new household utensils carry the bacterium and then pollute the condition that is used for the lavage liquid sample of inspection.
In this embodiment, the lavage fluid collector bottle is 70mm high and 30mm wide, the first and second lids 8 and 10 have a lid height of 12mm and a lid width of 32 mm; the lavage liquid collector body 9 is provided with scales, the sensitivity of the lavage liquid collector body is 5mL, the volume of the lavage liquid collector body is 30mL, so that an operator can conveniently measure and measure lavage liquid, and it can be understood that the volume of 30mL means that the maximum scale of the lavage liquid collector body 9 is 30mL, and the total volume of the lavage liquid collector can be more than 30mL, so that the defect that the alveolar lavage liquid overflows the lavage liquid collector due to overfilling is avoided, and the samples to be checked are polluted; in this embodiment, the bronchoalveolar lavage fluid collecting device further comprises two additional lavage fluid collecting bottles with second covers 10 (i.e. the lavage fluid collector body 9 is correspondingly matched with the second covers 10), so that a plurality of samples to be examined can be conveniently and simultaneously collected; in some embodiments, the bronchoalveolar lavage fluid collection device further comprises an additional plurality of lavage fluid collection bottles with a second cap 10.
In this embodiment, the main negative pressure pipe 1 is provided with a third connecting pipe 11 and a fourth connecting pipe 12 respectively connected with the first negative pressure pipe 2 and the second negative pressure pipe 3 in a matching manner. Understandably, the third connecting pipe 11 and the fourth connecting pipe 12 are respectively connected with the first negative pressure pipe 2 and the second negative pressure pipe 3 in a matching manner, so that the negative pressure main pipeline 1 is communicated with the first negative pressure pipe 2 and the second negative pressure pipe 3. In this embodiment, to realize the communication between the two devices, the third connecting pipe 11 and the fourth connecting pipe 12 are also pipes with two ends communicated with each other. In the embodiment, the main negative pressure pipeline 1 is detachably connected with the first negative pressure pipeline 2 and the second negative pressure pipeline 3 respectively, so that the replacement of devices is facilitated; in some embodiments, the main negative pressure pipe 1 does not need to be provided with a connecting pipe, and is directly connected with the first negative pressure pipe 2 and the second negative pressure pipe 3 on the surface of the main negative pressure pipe 1, for example, the main negative pressure pipe 1 is integrally designed with the first negative pressure pipe 2 and the second negative pressure pipe 3.
It should be explained that, in lavage liquid collector and first negative pressure pipe 2, the design of second negative pressure pipe 3 integration, or in lavage liquid collector, negative pressure trunk line 1 simultaneously with first negative pressure pipe 2, the embodiment of the design of second negative pressure pipe 3 integration, when needing to change lavage liquid collector, only need loosen first lid 8 and lavage liquid collector main part 9, can carry out the change of lavage liquid collector to need not demolish first negative pressure pipe 2 and second negative pressure pipe 3.
It can be understood, in this embodiment, negative pressure trunk line 1 and lavage liquid collector are connected respectively at the both ends of first negative pressure pipe 2, second negative pressure pipe 3, and first negative pressure pipe 2, second negative pressure pipe 3 communicate with negative pressure trunk line 1 and lavage liquid collector respectively, realized that alveolar lavage liquid can be collected to the external source negative pressure aspirator from negative pressure trunk line 1, and accessible negative pressure trunk line 1 and first negative pressure pipe 2 and/or negative pressure trunk line 1 and second negative pressure pipe 3 collect the purpose of alveolar lavage liquid to lavage liquid collector.
Wherein, still be equipped with respectively on the main negative pressure pipeline 1 and overlap first spacing pipe 13, the spacing pipe 14 of second on this main negative pressure pipeline 1, first spacing pipe 13, the spacing pipe 14 of second cooperate with third connecting pipe 11, fourth connecting pipe 12 respectively to be connected. In this embodiment, the first limiting pipe 13 and the second limiting pipe 14 are detachably connected to the third connecting pipe 11 and the fourth connecting pipe 12, respectively, so as to facilitate replacement of devices; in some embodiments, the first limiting tube 13 and the third connecting tube 11, and the second limiting tube 14 and the fourth connecting tube 12 are integrally designed.
The method of collecting alveolar lavage fluid using the alveolar lavage fluid collection device of the present embodiment is as follows:
s1, the fiber bronchoscope is connected through a threaded interface which is arranged on the negative pressure main pipeline 1 and is in matched connection with the fiber bronchoscope, and the external negative pressure aspirator is connected through a threaded interface which is arranged on the negative pressure main pipeline 1 and is in matched connection with the external negative pressure aspirator; in this embodiment, the exogenous negative pressure aspirator is a negative pressure sputum aspirator tube;
s2, extending the fiberoptic bronchoscope into the bronchus, injecting sterilized normal saline into the side hole of the bronchoscope, and irrigating the alveolus;
s3, opening the first valve 4, closing the second valve 5, opening the exogenous negative pressure aspirator, enabling the alveolar lavage fluid to flow to the exogenous negative pressure aspirator through the negative pressure main pipeline 1, discarding the alveolar lavage fluid for the first time, and closing the exogenous negative pressure aspirator;
s4, closing the first valve 4, opening the second valve 5, opening the negative pressure aspirator valve of the bronchofiberscope to form a closed passage, enabling alveolar lavage fluid to flow from the first negative pressure tube 2 to the lavage fluid collector through the main negative pressure pipeline 1 to realize second alveolar lavage fluid collection, and stopping alveolar lavage fluid collection by closing the negative pressure aspirator valve of the bronchofiberscope; understandably, the first valve 4 is closed, which acts to cut off the flow of alveolar lavage fluid from the main negative pressure pipe 1 to the external negative pressure aspirator or from the second negative pressure pipe 3 to the lavage fluid collector via the main negative pressure pipe 1; therefore, under the condition of external negative pressure, the first negative pressure pipe 2 and the second negative pressure pipe 3 are respectively communicated with the negative pressure main pipe 1 and the lavage liquid collector, under the gravity action of the alveolar lavage liquid, the alveolar lavage liquid flows from the first negative pressure pipe 2 to the lavage liquid collector through the negative pressure main pipe 1, and the alveolar lavage liquid is effectively prevented from flowing out of the second negative pressure pipe 3, so that the lavage liquid sample is collected;
s5, firstly, unscrewing the first cover 8 (to avoid the lavage liquid collector main body 9 from toppling or inverting), unscrewing the part of the second cover 10 in the lavage liquid collector main body 9 which is just replaced, and screwing the second cover on the upper opening of the lavage liquid collector main body 9 for inspection;
taking out a new lavage liquid collector main body 9 and a second cover 10, and screwing down the first cover 8 and the replaced lavage liquid collector main body 9;
it should be noted that, when an operator needs to collect a plurality of lavage liquid samples, the replacement of the lavage liquid collector can be realized by repeating the first and second steps in step S5, the collection of alveolar lavage liquid at different parts can be repeated by repeating the steps S2-S4, and the operator can select the samples according to actual needs; when the plurality of lavage fluid samples do not need to be collected, the second step in the step S5 can be omitted;
s6, quantitatively collecting the lavage liquid sample by referring to the scale arranged on the lavage liquid collector main body 9, and screwing off the second cover 10 after submission for sampling and inspecting and analyzing the lavage liquid sample.
It should be noted that the above steps S1-S6 are merely divided to clearly describe the manner of using the alveolar lavage fluid collection device, and in the actual operation process, the operation sequence and operation content of the above steps are not limited, that is, the operator may adopt the above operation steps and any combination of the above steps as required, and the operator may also change the lavage fluid collector to collect alveolar lavage fluid for a plurality of times.
In addition to the alveolar lavage fluid collection device, the utility model also provides a fiberoptic bronchoscope, which is characterized in that the alveolar lavage fluid collection device is adopted.
The utility model discloses a bronchoalveolar lavage fluid collection device and fibre bronchoscope, simple structure, simple installation control alveolar lavage fluid flow direction through switching on and the mode of cut-off of first valve 4, second valve 5 to realize the collection of lavage fluid sample, reach and avoid in the middle process need change lavage fluid collector can realize the tedious operation of collection of lavage fluid sample to and play the effect that reduces the nosocomial sensation incidence; simultaneously, can realize the collection of a plurality of lavage liquid specimens through changing the lavage liquid collector, and through threaded connection between the lid of lavage liquid collector and the body, it is convenient to change. And, through the screw thread interface that design and fiberbronchoscope matched with and be connected, reach the effect that can adapt to most fiberbronchoscope interface on the market, overcome among the prior art lavage fluid collector and the not supporting defect of fiberbronchoscope interface of use.
It should be noted that the dimensions of the above-mentioned components are only used for clearly illustrating the technical solution of the present invention, and in fact, the operator can select other dimensions of components or other dimensions of component combinations according to actual needs.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The utility model provides a bronchoalveolar lavage fluid collection device, includes that both ends are connected respectively the negative pressure trunk line of exogenous negative pressure aspirator, fibre bronchoscope, its characterized in that still includes
The lavage fluid collector is used for collecting alveolar lavage fluid, and the first negative pressure pipe and the second negative pressure pipe are respectively communicated with the negative pressure main pipeline and the lavage fluid collector;
wherein a first valve for controlling the flow of alveolar lavage fluid to an external source negative pressure aspirator is arranged between the positions where the first negative pressure tube and the second negative pressure tube are respectively communicated with the negative pressure main pipeline, and a second valve for controlling the flow of alveolar lavage fluid to the lavage fluid collector is arranged on the first negative pressure tube; the first negative pressure pipe is communicated with the negative pressure main pipeline and is positioned close to the side of the fiber bronchoscope.
2. The bronchoalveolar lavage fluid collection device of claim 1,
and the lavage liquid collector is respectively provided with a first connecting pipe and a second connecting pipe which are matched and connected with the first negative pressure pipe and the second negative pressure pipe.
3. The bronchoalveolar lavage fluid collection device of claim 2,
one end of the lavage liquid collector is provided with a first cover, the first connecting pipe and the second connecting pipe are arranged on the first cover, and the first cover is in threaded connection with the main body of the lavage liquid collector.
4. The bronchoalveolar lavage fluid collection device according to claim 3,
the other end of the lavage liquid collector is provided with a second cover, and the second cover is in threaded connection with the main body of the lavage liquid collector.
5. The bronchoalveolar lavage fluid collection device of claim 1,
and a third connecting pipe and a fourth connecting pipe which are matched and connected with the first negative pressure pipe and the second negative pressure pipe are respectively arranged on the negative pressure main pipeline.
6. The bronchoalveolar lavage fluid collection device of claim 5,
the negative pressure main pipeline is also provided with a first limiting pipe and a second limiting pipe which are sleeved on the negative pressure main pipeline, and the first limiting pipe and the second limiting pipe are respectively matched and connected with the third connecting pipe and the fourth connecting pipe.
7. The bronchoalveolar lavage fluid collection device of claim 1,
the lavage liquid collector is provided with scales, the sensitivity is 5mL, and the volume is 30 mL.
8. The bronchoalveolar lavage fluid collection device of claim 1,
the negative pressure trunk line is equipped with the screwed joint that is 4mm, the external diameter is 5mm with this fiberoptic bronchoscope matched with and is connected in the one end of being connected with fiberoptic bronchoscope.
9. The bronchoalveolar lavage fluid collection device of claim 1,
and a threaded interface matched and connected with the external negative pressure suction device is arranged at one end of the negative pressure main pipeline connected with the external negative pressure suction device.
10. A fiberbronchoscope comprising a bronchoalveolar lavage fluid collection apparatus as claimed in any one of claims 1 to 9.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143328A (en) * | 2020-12-22 | 2021-07-23 | 上海市闵行区中心医院 | Noninvasive exfoliated gastric cell and nucleic acid sampling system and using method thereof |
| CN116784888A (en) * | 2023-08-28 | 2023-09-22 | 成都艾立本科技有限公司 | Off-line type expired gas collector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143328A (en) * | 2020-12-22 | 2021-07-23 | 上海市闵行区中心医院 | Noninvasive exfoliated gastric cell and nucleic acid sampling system and using method thereof |
| CN113143328B (en) * | 2020-12-22 | 2024-06-11 | 上海市闵行区中心医院 | Noninvasive gastric-shed cell and nucleic acid sampling system and application method thereof |
| CN116784888A (en) * | 2023-08-28 | 2023-09-22 | 成都艾立本科技有限公司 | Off-line type expired gas collector |
| CN116784888B (en) * | 2023-08-28 | 2023-10-24 | 成都艾立本科技有限公司 | Off-line type expired gas collector |
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