CN114191634A

CN114191634A - Bronchoalveolar lavage fluid collection device for clinical medicine

Info

Publication number: CN114191634A
Application number: CN202111344038.7A
Authority: CN
Inventors: 段志峰
Original assignee: Guangzhou Yuanguji Technology Co ltd
Current assignee: Guangzhou Yuanguji Technology Co ltd
Priority date: 2021-11-14
Filing date: 2021-11-14
Publication date: 2022-03-18
Anticipated expiration: 2041-11-14
Also published as: CN114191634B

Abstract

The invention belongs to the technical field of medical equipment, and discloses a bronchoalveolar lavage fluid collecting device for clinical medicine. According to the invention, through arranging the fixed rod, the first ring block, the first movable block, the rotating disc and the pipeline port, the first movable block can move up and down along the outer surface of the fixed rod due to the matching between the fixed rod and the first movable block, so that the lug can be separated from the inside of the round block, the limit of the rotating disc can be relieved, meanwhile, due to the matching between the first ring block and the fixed rod, the first ring block can drive the rotating disc to rotate along the outer surface of the fixed rod, the position of the pipeline port can be adjusted, and at the moment, due to the matching between the pipeline port and the round pipe, the round pipe can be driven to rotate above the collecting bottle.

Description

Bronchoalveolar lavage fluid collection device for clinical medicine

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a bronchoalveolar lavage fluid collecting device for clinical medicine.

Background

The alveolar lavage is to inject lidocaine into the segment of the lung to be lavaged through the biopsy hole to perform local anesthesia on the segment of the lung to be lavaged, then wedging the top end of the bronchofiberscope into a section or a sub-section bronchial opening, quickly injecting sterilized normal saline into a biopsy hole, immediately sucking and recovering liquid by negative pressure, wherein the alveolar lavage fluid test can be used for evaluating the inflammatory reaction stage of interstitial lung diseases, diagnosing lung diseases, identifying pathogenic bacteria, determining the recurrence or continuous course of infection and finding primary or secondary malignant tumors of respiratory tracts, and an alveolar lavage fluid collector is used for collecting bronchoalveolar lavage fluid in operation so as to facilitate later-stage test and mainly comprises a collecting bottle, a negative pressure tube and a liquid taking tube, the negative pressure pipe of the collecting bottle is connected with the negative pressure aspirator, the liquid taking pipe is connected with the endoscope, and the collecting bottle is sampled and detected through the sampling bottle.

At present, medical personnel often can need to use bronchoalveolar lavage liquid collection device when lavaging to patient's alveolus, and current lavage liquid collection device is at the in-process of in-service use, though can realize the basic function of extracting lavage liquid, but current collection device's single structure, when medical personnel need carry out the multiunit sample, different receiving flask of switching that can not be quick to the time of detecting the patient has been delayed.

Simultaneously, the capacity of current lavage liquid receiving flask has the limitation, when the inside of receiving flask was filled with and can't be held, medical personnel need extract the pipeline this moment and just can change the receiving flask to reduce medical personnel's operating efficiency, increased patient's misery.

When medical personnel extracted the lavage liquid, often can attach mucus or impurity in the lavage liquid, thereby can influence medical personnel to the effect that the lavage liquid of collection detected, medical personnel usually adopt the filter screen to filter the lavage liquid this moment, although reached and carried out filterable effect to the lavage liquid, but because it possesses the structure that does not possess the mucus in the filter screen and carry out the discharge, make medical personnel can't be timely clear up the filter screen, the mucus will pile up at the top of filter screen this moment, make the lavage liquid can't circulate, and then brought inconvenience for medical personnel.

Disclosure of Invention

The present invention is directed to a bronchoalveolar lavage fluid collecting device for clinical medicine, which solves the problems of the background art mentioned above.

In order to achieve the above purpose, the invention provides the following technical scheme: clinical medicine is with bronchoalveolar lavage liquid collection device, including the collection device body, the inside fixed mounting of collection device body has the sleeve, telescopic inside fixed mounting has the dead lever, first ring piece, first movable block and flexible spring have been cup jointed in proper order to the surface from the top down activity of dead lever, the top fixed mounting of first ring piece has the rolling disc, the top fixed mounting of rolling disc has the lug, the top fixed mounting of dead lever has the round piece, the activity ring has been cup jointed in the bottom activity of collection device body inner chamber, the top fixed mounting of activity ring has the baffle.

It is preferred. The pipeline mouth has been seted up at the top of rolling disc, the fixed cover in inside of pipeline mouth has connect the pipe, the fixed intercommunication of the other end of pipe has three chambeies pipe, the fixed intercommunication in left end of three chambeies pipe has the lavage pipe, the fixed intercommunication in top of three chambeies pipe has the syringe, the opening has been seted up to the surface of collection device body, the fixed cover of telescopic surface has connect the fixed plate, the inner chamber swing joint of collection device body has the receiving flask, because the design of fixed plate, can divide into three the same space with the inner chamber of collection device body through the fixed plate of three equidistance for can place three receiving flask at the inner chamber of collection device body, thereby made things convenient for medical personnel to switch the receiving flask.

It is preferred. The side surface of the sleeve is fixedly provided with a filter screen, the right side of the filter screen is fixedly communicated with a short pipe, the bottom of the short pipe is fixedly provided with a fixing ring, the bottom of the fixing ring is fixedly provided with a liquid discharge pipe, the right side of the top of the liquid discharge pipe is provided with a rectangular groove, a second movable block is movably sleeved in the rectangular groove, the outer surface of the second movable block is fixedly sleeved with a movable pipe, the outer surface of the liquid discharge pipe is fixedly sleeved with a second circular ring block, the outer surface of the liquid discharge pipe is movably sleeved with a rigid spring, the top of the movable pipe is fixedly provided with a pressure bar, the bottom thread of the collecting device body is sleeved with a mucus collecting shell, due to the design of the second movable block, the movable pipe can drive the second movable block to move up and down through the matching between the second movable block and the rectangular groove, so that the second movable block can be driven to be separated from the bottom of the fixing ring, so that the sealing of the fixing ring is released, and the mucus on the top of the filter screen is conveniently discharged.

It is preferred. The bottom of circle piece is equipped with the round hole, the lug cup joints with the circle piece activity, the quantity of lug is six, six the central symmetry of rolling disc is followed to the lug, because the design of lug, through the cooperation between first ring piece and the dead lever for first ring piece can drive the surface that the dead lever was followed to the rolling disc and rotate, thereby can adjust the position of geminate transistors mouth and baffle, will remove through the baffle when the lug rotates sixty degree and seal the opening, makes things convenient for medical personnel to take out the receiving flask, will drive the top that the pipe removed the receiving flask through the pipeline mouth when the lug rotates one hundred twenty degrees.

It is preferred. The both sides of dead lever are equipped with the notch, the notch cup joints with first ring piece activity, the both ends of flexible spring respectively with the bottom of sleeve inner chamber and the bottom fixed connection of first movable block, because the design of dead lever, make through the notch of its both sides can carry on spacingly to first movable block, make first movable block can only reciprocate, it takes place to rotate to avoid first movable block to drive flexible spring, simultaneously because the design of flexible spring, make first movable block have good elasticity reset performance, flexible spring is compression state this moment, consequently, can exert an elasticity to first movable block, thereby can drive first ring piece upward movement through first movable block, thereby make the cooperation between lug and the circle piece inseparabler, and then can carry on spacingly to the carousel.

It is preferred. The filter screen is installed on the outer surface of the sleeve through the screw rod, the filter screen inclines towards the direction of the short pipe, and due to the design of the filter screen, the filter screen inclines towards the direction of the short pipe, so that mucus on the surface of the filter screen flows towards the direction of the short pipe, and subsequent uniform discharge is facilitated.

It is preferred. The inside diameter of flowing back intraduct is greater than the diameter of second movable block, the top of second movable block is equipped with the circle piece, the second movable block cup joints with solid fixed ring activity, because the design of second movable block, through the cooperation between second movable block and the rectangular channel for the second movable block can reciprocate along the inboard of rectangular channel, simultaneously because the cooperation between second movable block and the solid fixed ring, makes the top of second movable block break away from solid fixed ring's inside, and the inside mucus of nozzle stub this moment will be discharged from the flowing back pipe through solid fixed ring.

It is preferred. The movable tube is movably sleeved with the liquid discharge tube, two ends of the rigid spring are fixedly connected with the movable tube and the second circular ring block respectively, due to the design of the rigid spring, the movable tube has good elastic reset performance, and the rigid spring is in a compression state, so that elastic force can be applied to the movable tube, and the second movable block can be driven to seal the fixing ring through the matching between the movable tube and the second movable block.

It is preferred. The utility model discloses a shell, including the collection device body, depression bar and rolling disc swing joint, the collection device body is passed and the inside of shell is collected to the mucus is extended to the bottom of fluid-discharge tube, because the design of depression bar, through the cooperation between depression bar and the rolling disc, will extrude the depression bar when the rolling disc moves down to can drive movable tube and second movable block through the depression bar and remove sealedly, simultaneously because the design of shell is collected to the mucus, make the mucus will flow inside the shell is collected to the mucus, collect the cooperation between shell and the collection device body through the mucus, make things convenient for medical personnel to clear up the mucus.

It is preferred. The baffle is connected with opening swing joint, the baffle is the same with the size of opening, the baffle cup joints with the rolling disc activity, because the design of baffle, when the rolling disc takes place to rotate, will drive the baffle and take place to rotate to can seal the opening through the baffle.

The invention has the following beneficial effects:

1. according to the invention, through arranging the fixed rod, the first ring block, the first movable block, the rotating disc and the pipeline port, the first movable block can move up and down along the outer surface of the fixed rod due to the matching between the fixed rod and the first movable block, so that the lug can be separated from the inside of the round block, the limit of the rotating disc can be relieved, meanwhile, due to the matching between the first ring block and the fixed rod, the first ring block can drive the rotating disc to rotate along the outer surface of the fixed rod, the position of the pipeline port can be adjusted, at the moment, due to the matching between the pipeline port and the round pipe, the round pipe can be driven to rotate to the upper part of the collecting bottles, and the three collecting bottles can be used for sampling in groups.

2. According to the collecting device, the rotating disc, the movable ring, the baffle and the through hole are arranged, and the movable ring can rotate along the inside of the collecting device body due to the matching between the movable ring and the collecting device body, so that when the rotating disc rotates, the baffle can rotate along the inside of the collecting device body through the movable ring through the matching between the rotating disc and the baffle, the through hole can be unsealed through the baffle, a medical worker can take out the collecting bottle, and the medical worker can replace the collecting bottle conveniently.

3. According to the invention, by arranging the rotating disc, the filter screen, the second movable block, the movable pipe and the pressure lever, when the rotating disc moves downwards, a pressure is applied to the pressure lever, at the moment, the second movable block is driven by the pressure lever to move downwards through the movable pipe due to the matching between the second movable block and the rectangular groove, at the moment, the movable pipe drives the second movable block to be separated from the inside of the fixed ring due to the matching between the fixed ring and the second movable block, so that the fixed ring can be unsealed, and at the moment, mucus on the surface of the filter screen can flow into the mucus collecting shell through the short pipe, the fixed ring and the liquid discharge pipe sequentially, so that the mucus accumulation at the top of the filter screen is prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional side view of the present invention;

FIG. 3 is a schematic cross-sectional view of the top of the present invention;

FIG. 4 is a schematic view of a disassembled structure of the baffle of the present invention;

FIG. 5 is a schematic view of a disassembled structure of the rotary disk of the present invention;

FIG. 6 is a schematic view of a filter screen according to the present invention;

FIG. 7 is a schematic view of a disassembled structure of the collection bottle of the present invention;

fig. 8 is a schematic sectional structure view of the filter screen of the present invention.

In the figure: 1. a collection device body; 2. a sleeve; 3. fixing the rod; 4. a first annular block; 5. a first movable block; 6. a flexible spring; 7. rotating the disc; 8. a bump; 9. a round block; 10. a movable ring; 11. a baffle plate; 12. collecting mucus; 13. a pipe orifice; 14. a circular tube; 15. a three-cavity tube; 16. a lavage tube; 17. an injector; 18. a port; 19. a fixing plate; 20. a collection bottle; 21. a filter screen; 22. a short pipe; 23. a fixing ring; 24. a liquid discharge pipe; 25. a rectangular groove; 26. a second movable block; 27. a movable tube; 28. a second annular block; 29. a rigid spring; 30. a pressure lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 8, in the embodiment of the present invention, the bronchoalveolar lavage fluid collecting device for clinical medicine includes a collecting device body 1, a sleeve 2 is fixedly installed inside the collecting device body 1, a fixing rod 3 is fixedly installed inside the sleeve 2, a first circular block 4, a first movable block 5 and a flexible spring 6 are movably sleeved on an outer surface of the fixing rod 3 from top to bottom in sequence, a rotating disc 7 is fixedly installed on a top of the first circular block 4, a convex block 8 is fixedly installed on a top of the rotating disc 7, a circular block 9 is fixedly installed on a top of the fixing rod 3, a movable ring 10 is movably sleeved on a bottom of an inner cavity of the collecting device body 1, and a baffle 11 is fixedly installed on a top of the movable ring 10.

Wherein, pipeline mouth 13 has been seted up at the top of rolling disc 7, the fixed intercommunication of the inside of pipeline mouth 13 has connect pipe 14, the fixed intercommunication of the other end of pipe 14 has three chamber pipe 15, the fixed intercommunication of the left end of three chamber pipe 15 has lavage pipe 16, the fixed intercommunication of the top of three chamber pipe 15 has syringe 17, opening 18 has been seted up to the surface of collection device body 1, fixed plate 19 has been cup jointed to the external fixed surface of sleeve 2, the inner chamber swing joint of collection device body 1 has receiving flask 20, because the design of fixed plate 19, can divide into three the same space with the inner chamber of collection device body 1 through the fixed plate 19 of three equidistance, make can place three receiving flask 20 at the inner chamber of collection device body 1, thereby made things convenient for medical personnel to switch over receiving flask 20.

Wherein, the side of the sleeve 2 is fixedly provided with a filter screen 21, the right side of the filter screen 21 is fixedly communicated with a short pipe 22, the bottom of the short pipe 22 is fixedly provided with a fixed ring 23, the bottom of the fixed ring 23 is fixedly provided with a liquid discharge pipe 24, the right side of the top of the liquid discharge pipe 24 is provided with a rectangular groove 25, the inside of the rectangular groove 25 is movably sleeved with a second movable block 26, the outer surface of the second movable block 26 is fixedly sleeved with a movable pipe 27, the outer surface of the liquid discharge pipe 24 is fixedly sleeved with a second circular ring block 28, the outer surface of the liquid discharge pipe 24 is movably sleeved with a rigid spring 29, the top of the movable pipe 27 is fixedly provided with a pressure bar 30, the bottom thread of the collecting device body 1 is sleeved with a mucus collecting shell 12, due to the design of the second movable block 26, the movable pipe 27 can drive the second movable block 26 to move up and down through the matching between the second movable block 26 and the rectangular groove 25, thereby driving the second movable block 26 to be separated from the bottom of the fixed ring 23, so that the sealing of the fixing ring 23 is released and the mucus on the top of the filter screen 21 is conveniently discharged.

Wherein, the bottom of circle piece 9 is equipped with the round hole, lug 8 cup joints with the activity of circle piece 9, the quantity of lug 8 is six, six lugs 8 are along the central symmetry of rolling disc 7, because lug 8's design, through the cooperation between first ring piece 4 and the dead lever 3, make first ring piece 4 can drive rolling disc 7 and rotate along the surface of dead lever 3, thereby can adjust the position of geminate transistors mouth 13 and baffle 11, will remove through baffle 11 to opening 18 and seal when lug 8 rotates sixty degrees, make things convenient for medical personnel to take out collecting bottle 20, will drive the top that pipe 14 removed collecting bottle 20 through pipeline mouth 13 when lug 8 rotates one hundred twenty degrees.

Wherein, two sides of the fixed rod 3 are provided with notches which are movably sleeved with the first circular block 4, two ends of the flexible spring 6 are respectively and fixedly connected with the bottom of the inner cavity of the sleeve 2 and the bottom of the first movable block 5, due to the design of the fixed rod 3, the first movable block 5 can be limited by the notches at the two sides of the fixed rod, so that the first movable block 5 can only move up and down, the first movable block 5 is prevented from driving the flexible spring 6 to rotate, meanwhile, due to the design of the flexible spring 6, the first movable block 5 has good elastic resetting performance, at the moment, the flexible spring 6 is in a compressed state, so that an elastic force is exerted on the first movable block 5, thereby can drive first ring piece 4 upward movement through first movable block 5 to make the cooperation between lug 8 and the circle piece 9 inseparabler, and then can carry on spacingly to rolling disc 7.

Wherein, filter screen 21 passes through the screw rod and installs on the surface of sleeve 2, and filter screen 21 inclines towards short pipe 22's direction, because filter screen 21's design, because its direction slope towards short pipe 22 to make the mucus on filter screen 21 surface will flow to short pipe 22's direction, thereby make things convenient for follow-up unified discharge.

Wherein, the inside diameter of fluid-discharge tube 24 is greater than the diameter of second movable block 26, the top of second movable block 26 is equipped with the circle piece, second movable block 26 cup joints with solid fixed ring 23 activity, because the design of second movable block 26, through the cooperation between second movable block 26 and the rectangular channel 25, make second movable block 26 can reciprocate along the inboard of rectangular channel 25, simultaneously because the cooperation between second movable block 26 and the solid fixed ring 23, make the top of second movable block 26 can break away from solid fixed ring 23's inside, the inside mucus of nozzle stub 22 at this moment will be discharged from fluid-discharge tube 24 through solid fixed ring 23.

Wherein, movable pipe 27 and fluid-discharge tube 24 activity cup joint, and the both ends of stiff spring 29 respectively with movable pipe 27 and second ring piece 28 fixed connection, because the design of stiff spring 29 for movable pipe 27 has good elasticity reset performance, and stiff spring 29 is compression state this moment, consequently can exert an elasticity to movable pipe 27, thereby can drive second movable block 26 and seal solid fixed ring 23 through the cooperation between movable pipe 27 and the second movable block 26.

Wherein, depression bar 30 and rolling disc 7 swing joint, collection device body 1 is passed and the inside that shell 12 was collected to the mucus is extended to in the bottom of fluid-discharge tube 24, because depression bar 30's design, through the cooperation between depression bar 30 and the rolling disc 7, will extrude depression bar 30 when rolling disc 7 downstream, thereby can drive movable tube 27 and second movable block 26 through depression bar 30 and remove sealedly, simultaneously because the design of shell 12 is collected to the mucus, make the mucus will flow out inside the shell 12 is collected to the mucus, collect the cooperation between shell 12 and the collection device body 1 through the mucus, make things convenient for medical personnel to clear up the mucus.

Wherein, baffle 11 and opening 18 swing joint, baffle 11 is the same with opening 18's size, and baffle 11 cup joints with the rolling disc 7 activity, because baffle 11's design, when rolling disc 7 takes place the rotation, will drive baffle 11 and take place to rotate to can seal opening 18 through baffle 11.

The working principle and the using process are as follows:

firstly, medical personnel can extract lavage liquid from the lavage tube 16 by using the syringe 17, the lavage liquid can flow into the collecting device body 1 through the round tube 14 and flow into the collecting bottle 20 through the filter screen 21, when the medical personnel needs to perform grouping sampling, the medical personnel can stop the lavage liquid extraction from the lavage tube 16 through the three-cavity tube 15 at the moment, then the medical personnel can press the rotating disc 7, due to the matching between the fixed rod 3 and the first movable block 5, the first movable block 5 can move downwards along the outer surface of the fixed rod 3, so that the lug 8 can be separated from the inside of the round block 9, the limit of the rotating disc 7 is relieved, meanwhile, due to the matching between the first ring block 4 and the fixed rod 3, the medical personnel can drive the rotating disc 7 to rotate along the outer surface of the fixed rod 3, and further adjust the position of the tube mouth 13, at this time, due to the matching between the pipe orifice 13 and the circular pipe 14, the circular pipe 14 is driven to rotate to the upper part of the collection bottle 20, so that the three collection bottles 20 are used for sampling in groups;

then, due to the matching between the movable ring 10 and the collecting device body 1, the movable ring 10 can rotate along the inside of the collecting device body 1, so that when the medical personnel rotates the rotating disc 7, the baffle 11 can drive the movable ring 10 to rotate along the inside of the collecting device body 1 through the matching between the rotating disc 7 and the baffle 11, the baffle 11 can unseal the through hole 18, the medical personnel can take out the collecting bottle 20, and the medical personnel can replace the collecting bottle 20 conveniently;

simultaneously, when medical personnel pressed rolling disc 7 and moved down, will exert a pressure to depression bar 30, this moment because the cooperation between second movable block 26 and the rectangular channel 25, make depression bar 30 will drive second movable block 26 downstream through activity pipe 27, this moment because the cooperation between solid fixed ring 23 and the second movable block 26, will make activity pipe 27 drive second movable block 26 break away from the inside of solid fixed ring 23, thereby can remove to solid fixed ring 23 and seal, the mucus on filter screen 21 surface will loop through nozzle stub 22 at this moment, gu fixed ring 23 and fluid-discharge tube 24 flow into the inside that the shell 12 was collected to the mucus, and then prevented filter screen 21's top from piling up the mucus.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Clinical medicine is with bronchoalveolar lavage liquid collection device, including collection device body (1), its characterized in that: the inside fixed mounting of collection device body (1) has sleeve (2), the inside fixed mounting of sleeve (2) has dead lever (3), first ring piece (4), first movable block (5) and flexible spring (6) have been cup jointed in proper order to the activity from the top down to the surface from of dead lever (3), the top fixed mounting of first ring piece (4) has rolling disc (7), the top fixed mounting of rolling disc (7) has lug (8), the top fixed mounting of dead lever (3) has round block (9), movable ring (10) have been cup jointed in the bottom activity of collection device body (1) inner chamber, the top fixed mounting of movable ring (10) has baffle (11).

2. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 1, further comprising: pipeline mouth (13) have been seted up at the top of rolling disc (7), the fixed cover in inside of pipeline mouth (13) has connect pipe (14), the other end fixed intercommunication of pipe (14) has three chamber pipe (15), the left end fixed intercommunication of three chamber pipe (15) has lavage pipe (16), the fixed intercommunication in top of three chamber pipe (15) has syringe (17), opening (18) have been seted up to the surface of collection device body (1), the fixed cover in surface of sleeve (2) has been connected fixed plate (19), the inner chamber swing joint of collection device body (1) has receiving flask (20).

3. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 1, further comprising: a filter screen (21) is fixedly arranged on the side surface of the sleeve (2), a short pipe (22) is fixedly communicated with the right side of the filter screen (21), the bottom of the short pipe (22) is fixedly provided with a fixing ring (23), the bottom of the fixing ring (23) is fixedly provided with a liquid discharge pipe (24), a rectangular groove (25) is formed in the right side of the top of the liquid discharge pipe (24), a second movable block (26) is movably sleeved in the rectangular groove (25), the outer surface of the second movable block (26) is fixedly sleeved with a movable pipe (27), the outer surface of the liquid discharge pipe (24) is fixedly sleeved with a second circular ring block (28), a rigid spring (29) is movably sleeved on the outer surface of the liquid discharge pipe (24), the top fixed mounting of activity pipe (27) has depression bar (30), the bottom screw thread of collection device body (1) has cup jointed mucus and has collected shell (12).

4. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 1, further comprising: the bottom of circle piece (9) is equipped with the round hole, lug (8) and circle piece (9) activity cup joint, the quantity of lug (8) is six, six the central symmetry of rolling disc (7) is followed in lug (8).

5. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 1, further comprising: the both sides of dead lever (3) are equipped with the notch, the notch cup joints with first ring piece (4) activity, the both ends of flexible spring (6) respectively with the bottom of sleeve (2) inner chamber and the bottom fixed connection of first movable block (5).

6. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 3, further comprising: the filter screen (21) is arranged on the outer surface of the sleeve (2) through a screw, and the filter screen (21) inclines towards the direction of the short pipe (22).

7. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 3, further comprising: the diameter of the inner part of the liquid discharge pipe (24) is larger than that of the second movable block (26), a round block is arranged at the top of the second movable block (26), and the second movable block (26) is movably sleeved with the fixed ring (23).

8. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 3, further comprising: the movable pipe (27) is movably sleeved with the liquid discharge pipe (24), and two ends of the rigid spring (29) are respectively and fixedly connected with the movable pipe (27) and the second circular block (28).

9. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 3, further comprising: the pressure lever (30) is movably connected with the rotating disc (7), and the bottom of the liquid discharge pipe (24) penetrates through the collecting device body (1) and extends to the interior of the mucus collecting shell (12).

10. The bronchoalveolar lavage fluid collection device for clinical medicine according to claim 1, further comprising: baffle (11) and opening (18) swing joint, baffle (11) are the same with the size of opening (18), baffle (11) and rolling disc (7) activity cup joint.