Pulmonary alveolar lavage device capable of collecting washing liquid sample

Abstract

The utility model discloses a pulmonary alveolar lavage device capable of collecting a washing liquid sample, which comprises a lavage device body, a washing liquid tank, a cleaning pipe, a pump machine and a liquid pumping pipe, a liquid outlet hole is arranged at the bottom end of the pump machine, a mounting cavity is integrally formed at the bottom end of the pump machine at the outer side of the liquid outlet hole, and a placing bin is rotatably mounted in the mounting cavity through a connecting mechanism; through the installation cavity, the placement bin, the sample tubes and the like, the multiple sample tubes can be installed in the placement bin and rotationally installed in the installation cavity through the connecting mechanism, the sample tubes correspond to liquid outlet holes formed in the bottom end of the pump machine in position, samples pumped out by the pump machine can be directly injected into the sample tubes, and after the sample tubes are full, the placement bin is rotated; the sample tube is driven by the placing bin to move to the position below the liquid outlet hole to be continuously collected, so that the purpose of replacing the sample tube without temporarily stopping cleaning is achieved, the situation that the time for a patient to bear discomfort during cleaning is prolonged is avoided, and the problems in the background technology are solved.

Description

Technical Field

[0001] This utility model relates to the field of bronchoalveolar lavage device technology, specifically to a bronchoalveolar lavage device capable of collecting lavage fluid samples. Background Technology

[0002] Bronchoalveolar lavage involves inserting a bronchoscope into the airway, injecting saline solution into the bronchi and alveoli, and then collecting the alveolar secretions. The cellular composition and cell classification of the secretions are analyzed using instruments, which is helpful for clinical diagnosis. Patients with purulent inflammation often have a large amount of secretions in their airways, which can be removed through bronchoalveolar lavage. Simultaneously, the specimens are used for laboratory testing, specifically identifying the types of bacteria in the secretions. Identifying the bacterial species is very helpful in clinical practice and greatly assists in guiding the use of antibiotics.

[0003] However, in actual use, after the secretion specimens of the existing bronchoalveolar lavage device are collected, in order to avoid leakage of the lavage fluid, the rinsing process needs to be temporarily stopped when changing the sample container, and then resumed after the replacement is completed. This results in the patient having to endure discomfort for a longer period of time during the rinsing process.

[0004] To address the above issues, we propose an alveolar lavage device capable of collecting lavage fluid samples. Utility Model Content

[0005] The purpose of this invention is to provide a bronchoalveolar lavage device that can collect lavage fluid samples. Through an installation chamber, a placement compartment, and sample tubes, multiple sample tubes can be installed inside the placement compartment and rotated inside the installation chamber via a connecting mechanism. The sample tubes correspond to the outlet holes at the bottom of the pump, allowing the sample drawn by the pump to be directly injected into the sample tubes. Once a sample tube is full, rotating the placement compartment moves the next sample tube to the outlet hole for continued collection. After rotation, a limiting mechanism secures the tube, thus achieving the goal of replacing the sample tubes without temporarily stopping the lavage process. This avoids prolonged discomfort for patients during lavage and solves the problems in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an alveolar lavage device for collecting lavage fluid samples, comprising an lavage device body, a lavage fluid tank, a cleaning tube, a pump, and a suction tube. The lavage fluid tank is fixedly installed at the bottom of the lavage device body, and a cleaning tube is connected to the bottom of the lavage fluid tank. A pump is fixedly installed on the outer wall of the lavage device body away from the lavage fluid tank, and a suction tube is fixedly installed on the outer wall of the pump away from the lavage device body. An outlet hole is provided at the bottom of the pump, and an integrally formed mounting cavity is formed on the bottom of the pump outside the outlet hole. A placement chamber is rotatably installed in the mounting cavity through a connecting mechanism, and several sample tubes are placed inside the placement chamber.

[0007] The outer wall of the mounting cavity is provided with a limiting mechanism to restrict the rotation angle of the placement compartment.

[0008] Furthermore, the connecting mechanism includes a rotating groove formed at the top of the inner wall of the mounting cavity, and a rotating ring is rotatably embedded inside the rotating groove. The rotating ring is connected to the placement chamber through a quick-connect mechanism. The placement chamber can rotate inside the mounting cavity to adjust the position of the sample tube so that the sample tube corresponds to the position of the liquid outlet hole set at the bottom of the pump.

[0009] Furthermore, the quick-connect mechanism includes several limiting plates that are equidistantly arranged around the bottom surface of the rotating ring, and the limiting plates are integrally formed at the bottom of the inner wall of the limiting plates, and the surface of the limiting plates is provided with gradient holes.

[0010] The top surface of the placement compartment is provided with connecting rods at equal intervals, the same number as the limiting plate, and the top of the connecting rods is integrally formed with a limiting block. The limiting block can be inserted into the installation groove through a gradient hole.

[0011] Furthermore, the inner wall diameter of the largest side of the gradient hole on the surface of the limiting plate is the same as the outer wall diameter of the limiting block;

[0012] The inner diameter of the smallest side of the gradient hole on the surface of the limiting plate is the same as the outer diameter of the connecting rod.

[0013] Furthermore, the inner wall of the rotating groove is integrally formed with guide rails on both sides, and the outer wall of the rotating ring is provided with annular guide grooves that mesh with the guide rails on both sides.

[0014] Furthermore, the top and bottom ends of the guide rail are equidistantly surrounded by a number of rolling balls, and the outer walls of the balls are all in contact with the inner wall of the guide groove.

[0015] Furthermore, the limiting mechanism includes a pin groove integrally formed on the outer wall of the mounting cavity, and a guide rod integrally formed on the inner wall of the pin groove. A sleeve rod is sleeved on the surface of the guide rod, and a pin is fixedly installed at the end of the sleeve rod away from the guide rod. The end of the pin is set to be inclined.

[0016] A spring is wound around the surface of the guide rod;

[0017] The outer surface of the placement chamber is provided with equidistant insertion holes, the same number as the sample tubes.

[0018] Furthermore, a collar is fitted onto the surface of the sleeve rod, and an adjusting rod is fixedly installed at the outer end of the collar rod;

[0019] The outer wall of the pin slot is provided with a mountain-shaped limiting slot, and the adjusting rods all pass through the outside of the limiting slot.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] 1. This utility model provides a bronchoalveolar lavage device for collecting lavage fluid samples. Through an installation chamber, a placement compartment, and sample tubes, multiple sample tubes can be installed inside the placement compartment and rotated inside the installation chamber via a connecting mechanism. The sample tubes correspond to the outlet holes at the bottom of the pump, allowing the sample drawn by the pump to be directly injected into the sample tubes. Once a sample tube is full, rotating the placement compartment moves the next sample tube to the outlet hole for continued collection. This achieves the goal of replacing sample tubes without temporarily stopping the lavage process, avoiding prolonged discomfort for patients during lavage and thus solving the problems in the background art.

[0022] 2. The bronchoalveolar lavage device for collecting lavage fluid samples provided by this utility model, through a pin slot, guide rod and sleeve rod, enables the placement chamber to rotate inside the installation cavity, thereby driving the insertion hole to push the inclined surface of the pin. The pin can be moved out of the insertion hole and the restriction on the position of the placement chamber can be released. The placement chamber can drive the sample tube to rotate normally. After the sample tube is adjusted, the pin is re-inserted into another insertion hole. At this time, the other sample tube can be located exactly below the liquid outlet, thereby avoiding the problem of sample leakage caused by the position of the sample tube and the liquid outlet being misaligned. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A;

[0025] Figure 3 This is a three-dimensional structural diagram of the sample tube and placement chamber of this invention;

[0026] Figure 4 This is a frontal cross-sectional view of the present invention.

[0027] Figure 5 This utility model Figure 4 Enlarged structural diagram at point B;

[0028] Figure 6 This is a top cross-sectional view of the structure of the present invention with the cavity and mounting groove not connected.

[0029] Figure 7 This utility model Figure 6 Enlarged structural diagram at point C;

[0030] Figure 8 This is a top cross-sectional view of the structure of the present invention with the cavity and mounting groove not connected.

[0031] Figure 9 This utility model Figure 7Enlarged structural diagram at point D;

[0032] Figure 10 This is a side sectional view of the present invention.

[0033] Figure 11 This utility model Figure 10 A magnified structural diagram at point E in the middle.

[0034] In the diagram: 1. Irrigator body; 2. Washing solution tank; 3. Cleaning pipe; 4. Pump; 5. Suction pipe; 6. Sample tube; 71. Mounting cavity; 72. Placement chamber; 73. Rotating groove; 74. Rotating ring; 75. Mounting groove; 76. Limiting plate; 77. Connecting rod; 78. Limiting block; 81. Guide rail; 82. Guide groove; 83. Ball bearing; 91. Pin groove; 92. Guide rod; 93. Sleeve rod; 94. Pin; 95. Spring; 96. Collar; 97. Adjusting rod; 98. Limiting groove opening; 99. Insertion hole. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Please see Figure 1-11 A bronchoalveolar lavage device for collecting lavage fluid samples includes an lavage device body 1, a lavage fluid tank 2, a cleaning tube 3, a pump 4, and a suction tube 5. The lavage fluid tank 2 is fixedly installed at the bottom of the lavage device body 1, and the cleaning tube 3 is connected to the bottom of the lavage fluid tank 2. The pump 4 is fixedly installed on the outer wall of the lavage device body 1 away from the lavage fluid tank 2, and the suction tube 5 is fixedly installed on the outer wall of the pump 4 away from the lavage device body 1. The pump 4 has an outlet hole at the bottom. An integrally formed mounting cavity 71 is formed on the bottom of the pump 4 outside the outlet hole. The mounting cavity 71 is rotatably mounted with a placement chamber 72 through a connecting mechanism, and several sample tubes 6 are placed inside the placement chamber 72.

[0037] The outer wall of the mounting cavity 71 is provided with a limiting mechanism to restrict the rotation angle of the placement chamber 72.

[0038] The connecting mechanism includes a rotating groove 73 opened at the top of the inner wall of the mounting cavity 71, and a rotating ring 74 is rotatably embedded inside the rotating groove 73. The rotating ring 74 is connected to the placement chamber 72 through a quick-connect mechanism. The placement chamber 72 can rotate and adjust the position of the sample tube 6 inside the mounting cavity 71 so that the sample tube 6 corresponds to the position of the liquid outlet hole set at the bottom of the pump 4.

[0039] Before cleaning, multiple sample tubes 6 are installed inside the placement chamber 72 and rotated inside the installation cavity 71 through the connecting mechanism. The sample tubes 6 correspond to the liquid outlet holes set at the bottom of the pump 4.

[0040] During the cleaning process, the sample extracted by the pump 4 can be directly injected into the sample tube 6. After the sample tube 6 is full, the placement chamber 72 is rotated, which causes the rotating ring 74 to rotate under the restriction of the rotating groove 73. The placement chamber 72 can move the next sample tube 6 to the outlet hole to continue collecting, thereby achieving the purpose of replacing the sample tube 6 without temporarily stopping the cleaning process, avoiding the prolonged discomfort that patients need to endure during the cleaning process.

[0041] The quick-connect mechanism includes several limiting plates 76 that are equidistantly arranged around the bottom surface of the rotating ring 74, and the limiting plates 76 are integrally formed at the bottom of the inner wall of the limiting plates 76, and the surface of the limiting plates 76 is provided with gradient holes.

[0042] The top surface of the placement compartment 72 is provided with connecting rods 77 of the same number as the limiting plate 76 at equal intervals, and the top of the connecting rods 77 is integrally formed with a limiting block 78. The limiting block 78 can be inserted into the mounting groove 75 through the gradient hole.

[0043] The inner wall diameter of the largest side of the gradient hole on the surface of the limiting plate 76 is the same as the outer wall diameter of the limiting block 78.

[0044] The inner wall diameter of the smallest side of the gradient hole on the surface of the limiting plate 76 is the same as the outer wall diameter of the connecting rod 77.

[0045] By moving the placement chamber 72, the placement chamber 72 drives the limiting block 78 through the largest side of the gradient hole opened on the surface of the limiting plate 76 via the connecting rod 77. The limiting block 78 can be inserted into the installation groove 75. Then, by rotating the placement chamber 72, the placement chamber 72 drives the limiting block 78 to move inside the installation groove 75 via the connecting rod 77. The limiting block 78 moves to the smallest side of the gradient hole opened on the surface of the limiting plate 76. The installation groove 75 cooperates with the limiting plate 76 to fix the position of the limiting block 78. The installation of the connecting rod 77 is completed.

[0046] To make the movement of the rotating ring 74 inside the rotating groove 73 more stable, guide rails 81 are integrally formed on both sides of the inner wall of the rotating groove 73, and annular guide grooves 82 that mesh with the guide rails 81 are provided on both sides of the outer wall of the rotating ring 74. Through this design, the rotating ring 74 can drive the guide grooves 82 to rotate under the restriction of the guide rails 81. At the same time, the guide grooves 82 and the guide rails 81 cooperate with each other to restrict the position of the rotating ring 74.

[0047] To make the movement of the rotating ring 74 within the rotating groove 73 smoother, a number of rolling balls 83 are equidistantly embedded around the top and bottom of the guide rail 81, and the outer walls of the balls 83 are all in contact with the inner wall of the guide groove 82. Through this design, when the rotating ring 74 drives the guide groove 82 to rotate, it can drive the balls 83 to roll. The contact area between the guide rail 81 and the guide groove 82 is reduced, and the friction force experienced by the rotating ring 74 during rotation is reduced.

[0048] The limiting mechanism includes a pin groove 91 integrally formed on the outer wall of the mounting cavity 71, and a guide rod 92 integrally formed on the inner wall of the pin groove 91. A sleeve rod 93 is sleeved on the surface of the guide rod 92, and a pin 94 is fixedly installed at the end of the sleeve rod 93 away from the guide rod 92. The end of the pin 94 is set in an inclined shape.

[0049] A spring 95 is wound around the surface of the guide rod 92;

[0050] The outer surface of the placement chamber 72 is provided with equidistant insertion holes 99, the same number as the sample tubes 6;

[0051] A collar 96 is fitted onto the surface of the sleeve 93, and an adjusting rod 97 is fixedly installed at the outer end of the collar 96.

[0052] The outer wall of the pin groove 91 is provided with a mountain-shaped limiting groove 98, and the adjusting rods 97 all pass through to the outside of the limiting groove 98.

[0053] When the placement compartment 72 needs to be installed, the adjusting rod 97 is rotated so that its position can be adjusted under the restriction of the limiting slot 98. The adjusting rod 97 drives the sleeve rod 93 and the pin 94 to rotate through the collar 96. The inclined surface of the pin 94 can face downward. When the placement compartment 72 is installed, it can push the inclined surface of the pin 94 and make it drive the sleeve rod 93 to move on the surface of the guide rod 92. While moving, the spring 95 is compressed to produce elastic deformation, so that the placement compartment 72 can be installed normally. After the installation is completed, the adjusting rod 97 is rotated again so that the adjusting rod 97 drives the pin 94 to rotate inside the insertion hole 99. The inclined surface of the insertion hole 99 can face the front end.

[0054] When the placement chamber 72 rotates, it can cause the insertion hole 99 to press against the inclined surface of the insertion hole 99, causing the pin 94 to shift and compress the spring 95. After the placement chamber 72 rotates the other sample tube 6 to the designated position, the spring 95 recovers its elastic deformation and pushes the pin 94 to re-insert into the insertion hole 99. The position of the placement chamber 72 is fixed, and the user can use this to determine that the sample tube 6 has rotated to below the liquid outlet.

[0055] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0056] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bronchoalveolar lavage device for collecting lavage fluid samples, comprising an lavage device body (1), a lavage fluid tank (2), a cleaning tube (3), a pump (4), and a suction tube (5), wherein the lavage fluid tank (2) is fixedly installed at the bottom end of the lavage device body (1), and the cleaning tube (3) is connected to the bottom end of the lavage fluid tank (2); the pump (4) is fixedly installed on the outer wall of the lavage device body (1) away from the lavage fluid tank (2), and the suction tube (5) is fixedly installed on the outer wall of the pump (4) away from the lavage device body (1), characterized in that: The pump (4) is provided with a liquid outlet at the bottom end. An integrally formed mounting cavity (71) is formed on the bottom end of the pump (4) outside the liquid outlet. The mounting cavity (71) is rotatably mounted with a placement chamber (72) through a connecting mechanism. Several sample tubes (6) are placed inside the placement chamber (72). The outer wall of the mounting cavity (71) is provided with a limiting mechanism to restrict the rotation angle of the placement chamber (72).

2. The bronchoalveolar lavage apparatus for collecting lavage fluid samples according to claim 1, characterized in that: The connecting mechanism includes a rotating groove (73) opened at the top of the inner wall of the mounting cavity (71), and a rotating ring (74) is rotatably embedded inside the rotating groove (73). The rotating ring (74) is connected to the placement chamber (72) through a quick-connect mechanism. The placement chamber (72) can rotate inside the mounting cavity (71) to adjust the position of the sample tube (6) so that the sample tube (6) corresponds to the position of the liquid outlet hole set at the bottom of the pump (4).

3. The bronchoalveolar lavage device for collecting lavage fluid samples according to claim 2, characterized in that: The quick-connect mechanism includes several limiting plates (76) that are equidistantly arranged around the bottom surface of the rotating ring (74), and the limiting plate (76) is integrally formed at the bottom of the inner wall of the limiting plate (76), and the surface of the limiting plate (76) is provided with a gradient hole. The top surface of the placement compartment (72) is provided with connecting rods (77) of the same number as the limiting plate (76) at equal intervals, and the top of the connecting rods (77) is integrally formed with a limiting block (78). The limiting block (78) can be inserted into the mounting groove (75) through the gradient hole.

4. The bronchoalveolar lavage device for collecting lavage fluid samples according to claim 3, characterized in that: The inner wall diameter of the largest side of the gradient hole on the surface of the limiting plate (76) is the same as the outer wall diameter of the limiting block (78); The inner diameter of the smallest side of the gradient hole on the surface of the limiting plate (76) is the same as the outer diameter of the connecting rod (77).

5. A bronchoalveolar lavage device for collecting lavage fluid samples according to claim 3, characterized in that: The inner wall of the rotating groove (73) is integrally formed with guide rails (81) on both sides, and the outer wall of the rotating ring (74) is provided with annular guide grooves (82) that mesh with the guide rails (81).

6. The bronchoalveolar lavage device for collecting lavage fluid samples according to claim 5, characterized in that: The top and bottom ends of the guide rail (81) are equidistantly surrounded by a number of rolling balls (83), and the outer walls of the balls (83) are all in contact with the inner wall of the guide groove (82).

7. The bronchoalveolar lavage apparatus for collecting lavage fluid samples according to claim 1, characterized in that: The limiting mechanism includes a pin groove (91) integrally formed on the outer wall of the mounting cavity (71), and a guide rod (92) integrally formed on the inner wall of the pin groove (91). A sleeve rod (93) is sleeved on the surface of the guide rod (92), and a pin (94) is fixedly installed at the end of the sleeve rod (93) away from the guide rod (92). The end of the pin (94) is set in an inclined shape. A spring (95) is wound around the surface of the guide rod (92); The outer surface of the placement chamber (72) is provided with the same number of insertion holes (99) as the sample tubes (6) at equal intervals.

8. A bronchoalveolar lavage device for collecting lavage fluid samples according to claim 7, characterized in that: A collar (96) is fitted onto the surface of the sleeve (93), and an adjusting rod (97) is fixedly installed at the outer end of the collar (96); The outer wall of the pin groove (91) is provided with a mountain-shaped limiting groove (98), and the adjusting rod (97) extends through to the outside of the limiting groove (98).

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