CN112545569A - Bronchoalveolar lavage fluid sample collector - Google Patents
Bronchoalveolar lavage fluid sample collector Download PDFInfo
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- CN112545569A CN112545569A CN202011403674.8A CN202011403674A CN112545569A CN 112545569 A CN112545569 A CN 112545569A CN 202011403674 A CN202011403674 A CN 202011403674A CN 112545569 A CN112545569 A CN 112545569A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B10/0051—Devices for taking samples of body liquids for taking saliva or sputum samples
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Abstract
The invention provides a bronchoalveolar lavage fluid sample collector which comprises a fluid collection bottle, a first pipeline, a second pipeline, a first buckle cover and a second buckle cover, wherein the first buckle cover is arranged on the first pipeline; the liquid collecting bottles are multiple, and each liquid collecting bottle is detachably and hermetically arranged at the bottom of the first buckle cover through a bottle opening of the liquid collecting bottle; the first pipeline comprises a main pipeline and a plurality of branch pipelines, and the main pipeline is communicated with the branch pipelines; the first buckle cover is provided with a first through hole and a second through hole, the number of which is the same as that of the liquid collecting bottles; each branch pipeline is connected with one first through hole, the second buckle cover is attached to the first buckle cover, and the second buckle cover and the first buckle cover can move relatively; the second buckle cover is provided with a third through hole, and the third through hole can be communicated with each second through hole when the second buckle cover and the first buckle cover generate relative motion; one end of the second pipeline is connected with the third through hole. The device can once only realize the collection of multitube bronchoalveolar lavage liquid sample, need not change the pipe moreover, and the security is high, easy and simple to handle simultaneously.
Description
Technical Field
The invention belongs to the technology of medical instruments, and particularly relates to a bronchoalveolar lavage fluid specimen collector.
Background
The standardized collection and inspection process of bronchoalveolar lavage (BALF) is a prerequisite for obtaining correct BALF microbiological and cytological results, and results obtained by an improper operation mode are easy to mislead clinical diagnosis and treatment.
At present to bronchoalveolar lavage liquid's collection, still do not have with the supporting BALF collector that uses of bronchofiberscope, in clinical work, when using bronchofiberscope to gather BALF sample, mostly use ordinary phlegm suction box to reform transform by hand temporarily, current ordinary phlegm suction box generally includes bottle, collecting pipe, vacuum aspiration pipe, sealed lid and reserve sealed lid, vacuum aspiration pipe and negative pressure equipment connection, the collecting pipe is connected with the suction mouth of bronchofiberscope. When a specimen is collected, pathogenic bacteria at a non-pathological part can be mixed in the BALF sucked out firstly, and a detection result can be influenced, so that the general first tube is waste liquid, the negative pressure suction device needs to be turned off after the first tube is fully sucked, the first tube is taken down, the negative pressure suction device is restarted after a new collecting tube is replaced, the second tube, the third tube and the fourth tube are collected again, the negative pressure device needs to be turned off and turned on every time the tube is replaced, obviously, the operation process is very complicated, the operation time is prolonged, the retention time of the bronchofiberscope in a body is too long, the irritation to the airway of a patient is increased, and more pain is brought to the patient.
Therefore, how to solve the problem of safe collection of the bronchoalveolar lavage fluid specimen is a technical problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to solve the problems, the invention provides a bronchoalveolar lavage fluid sample collector which can collect a multi-tube bronchoalveolar lavage fluid sample at one time without changing tubes, and has extremely high safety and simple and convenient operation.
The invention is realized by the following technical scheme.
A specimen collector for bronchoalveolar lavage liquid comprises a liquid collecting bottle, a first pipeline, a second pipeline, a first buckle cover and a second buckle cover; the liquid collecting bottles are multiple, and each liquid collecting bottle is detachably and hermetically arranged at the bottom of the first buckle cover through a bottle opening of the liquid collecting bottle; the first pipeline comprises a main pipeline and a plurality of branch pipelines, the main pipeline is communicated with the branch pipelines, and the number of the branch pipelines is the same as that of the liquid collecting bottles; the first buckle cover is provided with hole pairs with the same number as the liquid collection bottles, the hole pairs are communicated with the liquid collection bottles in a one-to-one correspondence mode, and each hole pair comprises a first through hole and a second through hole; each of the branch lines is connected to one of the first through holes; the second buckle cover is connected with the first buckle cover in an attaching mode, and the second buckle cover and the first buckle cover can move relatively; the second buckle cover is provided with a third through hole, and when the second buckle cover and the first buckle cover generate relative motion, the third through hole can be communicated with each second through hole; one end of the second pipeline is connected with the third through hole.
On the basis of the technical scheme, the invention can also have the following further improvement scheme.
Further, the main pipeline is connected with the bronchoscope, and the second pipeline is connected with the negative pressure suction device.
Furthermore, the first buckle cover and the second buckle cover are both circular and can be connected in a relatively rotating buckling manner, the first through holes are uniformly distributed along a first circumference, the second through holes are uniformly distributed along a second circumference, the first circumference is coaxial with the second circumference, and the diameter of the first circumference is smaller than that of the second circumference.
Furthermore, a protruding ring is arranged at the orifice of the second through hole, the second pipeline penetrates through the third through hole and then extends out of the third through hole by a preset length, and the extending part is matched with the protruding ring.
Furthermore, a circle of groove is arranged on the circumference of the second through hole, and the width and the depth of the groove are matched with the extending part of the second pipeline.
Furthermore, a plurality of protruding blocks corresponding to the second through holes are arranged at the bottom of the second buckle cover, and when the third through hole is communicated with one of the second through holes, the rest second through holes are blocked by the protruding blocks.
Furthermore, the second buckle cover is disc-shaped, a fourth through hole is formed in the center of the second buckle cover, and the branch pipeline is connected with the first through hole through the fourth through hole;
the periphery of the second buckle cover is provided with a downward extending enclosing barrier, the inner side of the enclosing barrier is provided with a circle of buckling grooves, the first buckle cover is provided with a circular connecting plate, and the buckling grooves are connected with the connecting plate in a matched mode.
Furthermore, the branch pipelines are all provided with switch valves.
Furthermore, the bottom of the first buckle cover is provided with sealing screwing parts with the same number as the liquid collecting bottles, the bottom of each liquid collecting bottle is screwed with a standby cover, and the standby covers are matched with the bottle mouths of the liquid collecting bottles in the same way.
Furthermore, the number of the liquid collecting bottles is four, and the volume of each liquid collecting bottle is a preset size.
Compared with the prior art, the bronchoalveolar lavage fluid specimen collector provided by the invention has the following beneficial technical effects:
1) be equipped with a plurality of collector tubes, through switching over the pipeline intercommunication condition, can realize the collection of arbitrary collector tube under the condition of not needing to trade the pipe, after whole collections finish, disposable dismantlement can. Thus greatly reducing the risk of specimen contamination.
2) The acquisition time is greatly reduced, and the stimulation and pain to the trachea of the patient can be greatly reduced.
3) The tube does not need to be frequently replaced, and only the tube needs to be rotated and switched, so that the operation is very convenient.
4) The collecting device has simple and ingenious structure and low processing and manufacturing cost, and is completely suitable for clinical application of disposable instruments.
Drawings
Fig. 1 is a schematic perspective view of a bronchoalveolar lavage fluid specimen collector according to an embodiment of the present invention;
FIG. 2 is a schematic drawing of a disassembled structure of the embodiment of the bronchoalveolar lavage specimen collector shown in FIG. 1;
FIG. 3 is a schematic view of another angular, disassembled configuration of the embodiment of the bronchoalveolar lavage specimen collector shown in FIG. 1;
FIG. 4 is a schematic front view of the bronchoalveolar lavage specimen collector shown in FIG. 1;
FIG. 5 is a schematic cross-sectional view of an embodiment of the bronchoalveolar lavage specimen collector shown in FIG. 1;
FIG. 6 is an enlarged view of M in FIG. 5;
fig. 7 is a cross-sectional view of the second cover.
Wherein the part numbers in the figures are represented as:
1. the liquid collecting bottle comprises a liquid collecting bottle body, 2, a first pipeline, 3, a second pipeline, 31, an extending part, 4, a first buckle cover, 5, a second buckle cover, 21, a main pipeline, 22, a branch pipeline, 41, a first through hole, 42, a second through hole, 43, a convex ring, 44, a groove, 45, a connecting plate, 46, a sealing screwing part, 51, a third through hole, 52, a convex block, 53, a fourth through hole, 54, a surrounding baffle, 55, a buckling groove, 6, a switch valve, 7 and a spare cover.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The principles and features of the present invention will be described with reference to the accompanying drawings, which are provided for illustration only and are not true physical projections; in addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention.
Referring to fig. 1 to 7, fig. 1 is a schematic perspective view of a bronchoalveolar lavage fluid specimen collector according to an embodiment of the present invention; FIG. 2 is a schematic drawing of a disassembled structure of the embodiment of the bronchoalveolar lavage specimen collector shown in FIG. 1; FIG. 3 is a schematic view of another angular, disassembled configuration of the embodiment of the bronchoalveolar lavage specimen collector shown in FIG. 1; FIG. 4 is a schematic front view of the bronchoalveolar lavage specimen collector shown in FIG. 1; FIG. 5 is a schematic cross-sectional view of an embodiment of the bronchoalveolar lavage specimen collector shown in FIG. 1; FIG. 6 is an enlarged view of M in FIG. 5; fig. 7 is a cross-sectional view of the second cap 5.
In the specific embodiment of the bronchoalveolar lavage fluid specimen collector provided by the invention, the specimen collector comprises a fluid collection bottle 1, a first pipeline 2, a second pipeline 3, a first buckle cover 4 and a second buckle cover 5; the number of the liquid collecting bottles 1 can be set to be a plurality according to different detection requirements, the first pipeline 2 comprises a main pipeline 21 and a plurality of branch pipelines 22, the main pipeline 21 is communicated with the branch pipelines 22, and the number of the branch pipelines 22 is the same as that of the liquid collecting bottles 1; beside each branch line 22, a marker can be made to distinguish the role of the corresponding collector bottle 1 under each branch.
The first buckle cover 4 is provided with hole pairs with the same number as the liquid collection bottle 1, and the hole pairs are communicated with the liquid collection bottle 1 in a one-to-one correspondence manner, wherein the hole pairs refer to a pair of holes, namely the hole pairs comprise a first through hole 41 and a second through hole 42; each branch pipeline 22 is connected with one first through hole 41, the second buckle cover 5 is connected with the first buckle cover 4 in an attaching mode, and the two branch pipelines can move relatively; the second buckle cover 5 is provided with a third through hole 51, and when the second buckle cover 5 and the first buckle cover 4 generate relative movement, the third through hole 51 can be communicated with each second through hole 42; one end of the second pipeline 3 is connected with the third through hole 51.
The first pipeline 2 and the second pipeline 3 are respectively provided with a joint for connecting external instruments, and the invention can be realized by two connection modes, namely, the first pipeline 2 is connected with the bronchoscope, the second pipeline 3 is connected with the negative pressure suction equipment, the first pipeline 2 is connected with the negative pressure suction equipment, and the second pipeline 3 is connected with the bronchoscope.
In the present embodiment, the first mode is explained, specifically, the first pipeline 2 is connected to the bronchoscope through the main pipeline 21, and the second pipeline 3 is connected to the negative pressure suction apparatus.
In this embodiment, first buckle closure 4 with second buckle closure 5 is circular and both can relatively pivoted lock be connected, liquid collecting bottle 1 is four, and every liquid collecting bottle 1 can also be set for the volume of equidimension not as required, and specific volume size is preset according to the needs of the volume of gathering. Correspondingly, in this embodiment, the number of the first through holes 41 and the number of the second through holes 42 are four, the first through holes 41 are uniformly distributed along a first circumference, the second through holes 42 are uniformly distributed along a second circumference, the first circumference is coaxial with the second circumference, and the diameter of the first circumference is smaller than that of the second circumference.
Four liquid collecting bottles 1 are used, wherein one bottle can be used as a first bottle for collection firstly, the first bottle is possibly mixed with pathogenic bacteria at non-pathological parts, so that the detection result is influenced, the first bottle can be used as a waste liquid bottle for treatment, the volume can be larger, the purposes and the volume sizes of the second bottle, the third bottle and the fourth bottle can be set according to needs, for example, the second bottle is used for detecting pathogenic microorganisms, the third bottle is used for counting and classifying cells, and the fourth bottle is used for detecting to a required detection part according to clinical needs.
Each liquid collecting bottle 1 is detachably and hermetically arranged at the bottom of the first buckle cover 4 through a bottle mouth; one specific implementation mode can be that the bayonet socket and the lower side of the first buckle closure 4 are provided with mutually matched buckles, the other specific implementation mode can be that the bottom of the first buckle closure 4 is provided with a sealing screwing part 46 with the same quantity as the liquid collecting bottle 1, for example, a circular sleeve is arranged, threads are arranged in the circular sleeve, an external thread matched with the external thread is arranged at the bayonet socket of the liquid collecting bottle 1, the number of turns of the threads is not too many, otherwise, the tube replacement is complicated.
Preferably, the bottom of each liquid collecting bottle 1 is screwed with a spare cover 7, and the spare cover 7 is matched with the bottle mouth of the liquid collecting bottle 1 in the same way. Thus, when a certain liquid collecting bottle 1 is full of specimen and replaced, the bottle mouth can be well sealed by the standby cover 7 to prevent the specimen from being polluted.
The orifice of the second through hole 42 is provided with a raised ring 43, the second pipeline 3 passes through the third through hole 51 and then extends out by a preset length, and the extending part 31 is matched with the raised ring 43. Therefore, when the second buckle cover 5 is rotated, the sealing performance between the second pipeline 3 and the second through hole 42 can be ensured, further, in order to avoid the abrasion of the protruding part 31 and the first buckle cover 4 in the rotating process to influence the sealing effect, a circle of grooves 44 are arranged on the circumference of the second through hole 42, and the width and the depth of the grooves 44 are matched with the protruding part 31 of the second pipeline 3.
The bottom of the second buckle cover 5 is provided with a plurality of bumps 52 corresponding to the positions of the second through holes 42, and when the third through hole 51 is communicated with one of the second through holes 42, the rest of the second through holes 42 are all blocked by the bumps 52, so that the whole pipeline system is prevented from air leakage.
The second buckle cover 5 is disc-shaped, a fourth through hole 53 is formed in the center of the second buckle cover, and the branch pipeline 22 is connected with the first through hole 41 through the fourth through hole 53; the periphery of the second buckle cover 5 is provided with a downward extending enclosing barrier 54, the inner side of the enclosing barrier 54 is provided with a circle of buckling grooves 55, the first buckle cover 4 is provided with a circular connecting plate 45, and the buckling grooves 55 are connected with the connecting plate 45 in a matching manner. Therefore, the first buckle cover 4 and the second buckle cover 5 can be always kept in a tight contact state, and the sealing effect is further ensured.
Further, the branch lines 22 are each provided with an on-off valve 6, and the communication state of each branch line 22 can be controlled.
The operation method of the bronchoalveolar lavage fluid specimen collector provided by the invention can be as follows:
1. one end of a main pipeline 21 of a first pipeline 2 is connected to a negative pressure suction interface of a bronchoscope, and a second pipeline 3 is connected to negative pressure suction equipment;
2. the second buckle cover 5 is rotated to lead the third through hole 51 thereof to be aligned with the first through hole 41 communicated with the first liquid collecting bottle 1 (if corresponding, no operation is needed);
3. except that the switch valve 6 on the branch pipeline 22 connected to the liquid collecting bottle 1 is opened, all the switch valves 6 on the other branch pipelines 22 are closed;
4. opening the negative pressure suction equipment to collect the sample;
5. when the first liquid collecting bottle 1 is fully collected or reaches the collection amount, closing the corresponding switch valve 6, rotating the second buckle cover 5 for switching, switching the third through hole 51 to the branch pipeline 22 corresponding to the second liquid collecting bottle 1, and simultaneously opening the switch valve 6 on the branch pipeline 22 for continuous collection;
6. the specimen collection of the four liquid collecting bottles 1 can be completed by operating one by one,
7. after all the collectors are collected, the negative pressure suction equipment and all the switch valves 6 are closed, and the collector can be integrally conveyed to a test room to carry out the next operation after being taken down.
In the above-mentioned operation process, when next collection liquid bottle 1 is collecting the sample, also can change last collection liquid bottle 1, each other does not influence.
In summary, the bronchoalveolar lavage fluid specimen collector provided by the invention can be provided with a plurality of passages simultaneously, each passage can be correspondingly connected with one liquid collecting bottle, and the one-by-one collection of each liquid collecting bottle can be realized through switching, so that the operation is simple and the implementation is easy. Simultaneously, this collector can realize the respective censorship of a plurality of specimens to the specimen is difficult for polluting. In addition, the collector can also be used for sucking ordinary sputum.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A specimen collector for bronchoalveolar lavage fluid is characterized by comprising a fluid collecting bottle, a first pipeline, a second pipeline, a first buckle cover and a second buckle cover;
the liquid collecting bottles are multiple, and each liquid collecting bottle is detachably and hermetically arranged at the bottom of the first buckle cover through a bottle opening of the liquid collecting bottle;
the first pipeline comprises a main pipeline and a plurality of branch pipelines, the main pipeline is communicated with the branch pipelines, and the number of the branch pipelines is the same as that of the liquid collecting bottles;
the first buckle cover is provided with hole pairs with the same number as the liquid collection bottles, the hole pairs are communicated with the liquid collection bottles in a one-to-one correspondence mode, and each hole pair comprises a first through hole and a second through hole;
each of the branch lines is connected to one of the first through holes;
the second buckle cover is connected with the first buckle cover in an attaching mode, and the second buckle cover and the first buckle cover can move relatively;
the second buckle cover is provided with a third through hole, and when the second buckle cover and the first buckle cover generate relative motion, the third through hole can be communicated with each second through hole;
one end of the second pipeline is connected with the third through hole.
2. The specimen collector of claim 1, wherein the main conduit is connected to a bronchoscope and the second conduit is connected to a negative pressure suction device.
3. The specimen collector of claim 1, wherein the first and second locking caps are circular and are connected in a rotatable manner, the first through holes are uniformly distributed along a first circumference, the second through holes are uniformly distributed along a second circumference, the first circumference is coaxial with the second circumference, and the diameter of the first circumference is smaller than that of the second circumference.
4. The specimen collector of claim 3, wherein a protruding ring is disposed at the opening of the second through hole, the second tube extends a predetermined length after passing through the third through hole, and the extending portion is adapted to the protruding ring.
5. The specimen collector of claim 4, wherein the second through hole has a circumferential groove with a width and depth matching the extension of the second tube.
6. The specimen collector of bronchoalveolar lavage fluid according to claim 4, wherein a plurality of protrusions corresponding to the second through holes are disposed at the bottom of the second buckle cover, and when the third through hole is communicated with one of the second through holes, the rest of the second through holes are blocked by the protrusions.
7. The specimen collector of bronchoalveolar lavage fluid of claim 3,
the second buckle cover is disc-shaped, a fourth through hole is formed in the center of the second buckle cover, and the branch pipeline is connected with the first through hole through the fourth through hole;
the periphery of the second buckle cover is provided with a downward extending enclosing barrier, the inner side of the enclosing barrier is provided with a circle of buckling grooves, the first buckle cover is provided with a circular connecting plate, and the buckling grooves are connected with the connecting plate in a matched mode.
8. The specimen collector of claim 1, wherein the branch lines are provided with switch valves.
9. The specimen collector of bronchoalveolar lavage fluid according to claim 1, wherein the bottom of the first cover is provided with sealing screw parts in the same number as the liquid collection bottles, the bottom of each liquid collection bottle is screwed with a spare cover, and the spare cover is matched with the bottle mouth of the liquid collection bottle.
10. The specimen collector of bronchoalveolar lavage fluid of any one of claims 1 to 9, wherein the number of the liquid collecting bottles is four, and the volume of each liquid collecting bottle is a predetermined size.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113069609A (en) * | 2021-03-31 | 2021-07-06 | 彭世博 | Artificial intelligence intensive care unit ICU intensive care unit is with nursing phlegm suction device |
| CN113171503A (en) * | 2021-04-27 | 2021-07-27 | 镇江市第一人民医院 | Hydrops discharge apparatus is used in oncology nursing |
| CN114191634A (en) * | 2021-11-14 | 2022-03-18 | 广州源古纪科技有限公司 | Bronchoalveolar lavage fluid collection device for clinical medicine |
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