Swab sample elution device

Abstract

The utility model discloses a swab sample elution device, which comprises an elution box, an elution cover, a plurality of connecting rods and a plurality of connecting rods, wherein the elution box is provided with an upward opening and is covered with the elution cover; the elution cover is provided with a plurality of placing holes in a penetrating manner; the placing holes are rotatably connected with placing sleeves, flexible sample tubes are placed in the placing sleeves, and the elution cover is provided with a clamping mechanism; the extrusion rotating assembly comprises two oppositely-arranged driving strips, a driving wheel and a rotary driving device, the driving strips are slidably connected to the inner side wall of the elution cover, the driving wheel is rotationally connected to the inner side wall of the elution cover, the rotating end of the rotary driving device is detachably connected with the driving wheel, a transmission strip is arranged on the upper portion of the driving strip, and the transmission strip is arranged on the upper portion of the transmission strip. An extrusion strip is arranged at the lower part of the driving strip. The swab sample elution device disclosed by the utility model can be suitable for large-batch elution operation, and the sample tube does not need to be manually extruded and rotated, so that automatic elution is realized, the elution efficiency is improved, and the standardization and the accuracy of the elution operation are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, especially relate to a swab sample elution device. BACKGROUND

[0002] With the popularization of diagnostic technology, the swab specimen sampling technology is more and more widely used in clinical application. After sampling, the swab needs to be put into the sampling tube for elution to extract the sample to be tested. In order to ensure the accuracy of the detection, the sample to be tested on the swab must be fully dissolved in the sampling eluent. The traditional elution operation usually relies on manual squeezing and rotating the sampling tube, so as to squeeze out and dissolve the sample to be tested into the sampling eluent. However, for the elution operation with large processing capacity, it is time-consuming and laborious to manually squeeze the sampling tube, the elution cycle is long, and the overall detection efficiency is reduced. In addition, the intensity of manual squeezing is difficult to standardize, and the fatigue degree of the operator will also affect the elution effect, so it is difficult to ensure the standardization and accuracy of the detection. SUMMARY

[0003] The utility model aims at solving technical insufficiency of above -mentioned and designs a swab sample elution device, can be applicable to large quantities of elution operation, need not manual squeezing and rotating test sample tube, thereby realizes the automation elution, improved elution efficiency, ensures the standardization and accuracy of elution operation.

[0004] In order to solve the above technical problems, the technical scheme of the utility model is as follows: a swab sample elution device, comprising:

[0005] The elution box is upwardly open and covered with an elution cover, the elution cover has a plurality of placement holes arrayed along its length direction, the placement holes are rotationally connected with placement sleeves, the flexible test sample tubes are placed in the placement sleeves, the flexible test sample tubes are used for placing swab rods and sampling eluent, and the elution cover is provided with a clamping mechanism for clamping the swab rods at a position relative to the placement holes;

[0006] The squeezing and rotating assembly comprises two driving bars arranged oppositely, a driving wheel and a rotary drive device, the driving bars are slidingly connected to the inner side walls of the elution cover, the driving wheel is rotationally connected to the inner side walls of the elution cover, the rotary end of the rotary drive device is detachably connected with the driving wheel, the upper parts of the driving bars are provided with transmission bars, the driving wheel and the two transmission bars are transmissionally connected at opposite sides, each placement sleeve is transmissionally connected with the opposite sides of the two transmission bars, the lower parts of the driving bars are provided with squeezing bars, and the opposite sides of the two squeezing bars are provided with wave concave-convex parts to form squeezing gaps for squeezing the flexible test sample tubes.

[0007] Preferably, the part of the placing sleeve extending into the elution box is formed with a driving ring, the transmission bars are in the form of a rack, and the driving ring and the driving wheel are both in the form of a gear.

[0008] Preferably, the rotary driving device is fixedly connected to the inner wall of the bottom of the elution box, the rotary end of the rotary driving device is provided with a butt joint, and the bottom surface of the driving wheel is provided with a butt joint groove for positioning and inserting the butt joint.

[0009] Preferably, the butt joint can be in the form of a character, a triangle or a star.

[0010] Preferably, the side wall of the flexible sample tube is symmetrically provided with two supporting portions, the top of the placing sleeve is provided with a placing ring, the placing ring covers the placing hole, and the top of the placing ring is provided with a supporting groove for inserting the supporting portion.

[0011] Preferably, a bearing member is arranged between the placing hole and the placing sleeve, the outer ring of the bearing member is fixedly connected to the inner wall of the placing hole, and the inner ring of the bearing member is used for inserting the placing sleeve.

[0012] Preferably, the outer wall of the placing sleeve is provided with a positioning strip, and the inner ring of the bearing member is provided with a positioning groove for inserting the positioning strip.

[0013] Preferably, the clamping mechanism comprises a stand, a mounting plate and a first knob, the stand is fixedly connected to the elution cover, the mounting plate is detachably connected to the stand, the position of the mounting plate relative to the placing sleeve is provided with a first positioning hole, the mounting plate is provided with a first mounting hole for screwing the first knob, the first mounting hole and the first positioning hole are in communication with each other, and the end of the first knob extending into the first positioning hole and the inner wall of the first positioning hole form a clamping gap for clamping the swab rod.

[0014] Preferably, the clamping mechanism further comprises a second knob, the outer wall of the stand is formed with a positioning surface extending along the height direction thereof, the first side of the mounting plate is provided with a second positioning hole for inserting the stand, the mounting plate is provided with a second mounting hole for screwing the second knob, the second mounting hole and the second positioning hole are in communication with each other, and the end of the second knob extending into the second positioning hole abuts against the positioning surface.

[0015] Preferably, a controller is further arranged on the side wall of the elution box, and the rotary driving device is connected to the controller and controlled thereby.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] This utility model discloses a swab sample elution device. Multiple placement sleeves can hold multiple flexible sample tubes. A clamping mechanism holds the swab rod. A squeezing and rotating assembly drives a drive wheel via a rotary drive device, causing two drive bars to move relative to each other. During this process, the drive bars rotate in conjunction with each placement sleeve, causing each flexible sample tube to rotate. The two squeezing bars cooperate to squeeze the flexible sampling tube. This elution device is suitable for large-scale elution operations, eliminating the need for manual squeezing and rotating of the sample tubes, thus achieving automated elution, improving elution efficiency, and ensuring the standardization and accuracy of the elution operation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the elution device in the embodiment;

[0019] Figure 2 This is a cross-sectional view of the elution device in the embodiment. Figure 1 ;

[0020] Figure 3 This is a cross-sectional view of the elution device in the embodiment. Figure 2 ;

[0021] Figure 4 This is a cross-sectional view of the clamping mechanism in the embodiment.

[0022] In the diagram: 1. Elution box; 2. Elution cap; 3. Placement hole; 4. Placement sleeve; 5. Flexible sample tube; 6. Swab rod; 7. Sampling eluent; 8. Clamping mechanism; 81. Column; 82. Mounting plate; 83. First knob; 84. Second knob; 9. Extrusion rotation assembly; 91. Drive bar; 92. Drive wheel; 93. Rotation drive device; 10. Transmission bar; 11. Extrusion bar; 12. Wavy uneven part; 13. Extrusion gap; 14. Drive ring; 15. Connecting joint; 16. Connecting groove; 17. Support part; 18. Placement ring; 19. Support groove; 20. Bearing component; 21. Positioning bar; 22. Positioning groove; 23. First positioning hole; 24. First mounting hole; 25. Clamping gap; 26. Positioning surface; 27. Second positioning hole; 28. Second mounting hole; 29. ​​Controller. Detailed Implementation

[0023] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0024] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4A swab sample elution device includes an elution box 1, a squeezing and rotating assembly 9, and a controller 29. The opening of the elution box 1 faces upward and is covered with an elution cover 2. The elution cover 2 has three placement holes 3 arranged in an array along its length. The placement holes 3 are rotatably connected to a placement sleeve 4. The placement sleeve 4 holds a flexible sample tube 5. The flexible sample tube 5 is used to hold a swab rod 6 and a sampling eluent 7.

[0025] Preferably, a bearing component 20 is provided between the placement hole 3 and the placement sleeve 4. The outer ring of the bearing component 20 is fixedly connected to the inner wall of the placement hole 3, and the inner ring of the bearing component 20 is for the placement sleeve 4 to be inserted. The outer wall of the placement sleeve 4 is provided with a positioning strip 21, and the inner ring of the bearing component 20 is provided with a positioning groove 22 for the positioning strip 21 to be inserted, so as to facilitate the replacement and disassembly of the placement sleeve 4, allowing the user to replace the placement sleeve 4 with different specifications according to the needs, thereby adapting to different specifications of flexible sample tubes 5.

[0026] The extrusion rotation assembly 9 includes two opposing drive bars 91, a drive wheel 92, and a rotation drive device 93. The drive bars 91 are slidably connected to the inner wall of the washing cover 2, and the drive wheel 92 is rotatably connected to the inner wall of the washing cover 2. The rotation drive device 93 is fixedly connected to the bottom inner wall of the washing box 1. The rotation drive device 93 is a rotary motor. The rotating end of the rotation drive device 93 is detachably connected to the drive wheel 92. The rotating end of the rotation drive device 93 is provided with a connector 15. The bottom surface of the drive wheel 92 is provided with a mating groove 16 for positioning and insertion of the connector 15. The connector 15 can be straight, triangular, or star-shaped. The controller 29 is located on the side wall of the washing box 1, and the rotation drive device 93 is connected to and controlled by the controller 29.

[0027] A transmission bar 10 is provided on the upper part of the drive bar 91. Each placement sleeve 4 and drive wheel 92 are arranged in a linear array between two drive bars 91. The drive wheel 92 is driven by the opposite sides of the two transmission bars 10, allowing the two drive bars 91 to move relative to each other. Each placement sleeve 4 is also driven by the opposite sides of the two transmission bars 10, causing the placement sleeve 4 to rotate when the two drive bars 91 move relative to each other. Preferably, the portion of the placement sleeve 4 extending into the washing box 1 forms a drive ring 14. The transmission bar 10 has a rack and pinion structure, and both the drive ring 14 and the drive wheel 92 have gear structures. Each drive ring 14 and drive wheel 92 meshes with the opposite sides of the two transmission bars 10. The drive wheel 92 drives the two drive bars 91 to move relative to each other via the rack and pinion transmission, thereby causing the placement sleeves 4 to rotate synchronously. A pressing bar 11 is provided on the lower part of the drive bar 91. Corrugated portions 12 are provided on the opposite sides of the two pressing bars 11 to form a pressing gap 13 for pressing the flexible sample tube 5.

[0028] The number of placement holes 3 on the washing cover 2 can be set to multiple as needed. Multiple placement sleeves 4 can accommodate multiple flexible sample tubes 5. Two support parts 17 are symmetrically arranged on the side wall of the flexible sample tube 5. A placement ring 18 is provided on the top of the placement sleeve 4. The placement ring 18 covers the placement hole 3. A support groove 19 is opened on the top of the placement ring 18 for the support parts 17 to be inserted into, so as to avoid positioning the flexible sample tube 5 into the placement sleeve 4.

[0029] The elution cap 2 is provided with a clamping mechanism 8 for holding the swab rod 6 at the position relative to the placement hole 3. The squeezing and rotating assembly 9 drives the drive wheel 92 through the rotation drive device 93 to drive the two drive bars 91 to move relative to each other. During this process, the transmission bar 10 drives each placement sleeve 4 to rotate, thereby driving each flexible sample tube 5 to rotate. The two squeezing bars 11 cooperate to squeeze the flexible sampling tube. This elution device is suitable for large-scale elution operations, eliminating the need for manual squeezing and rotating of the sample tube, thereby realizing automated elution, improving elution efficiency, and ensuring the standardization and accuracy of elution operations.

[0030] The clamping mechanism 8 includes a column 81, a mounting plate 82, a first knob 83, and a second knob 84. The column 81 is fixedly connected to the washing cover 2, and the mounting plate 82 is detachably connected to the column 81. The mounting plate 82 has a first positioning hole 23 through it at the position relative to the placement sleeve 4. The mounting plate 82 also has a first mounting hole 24 through it for threaded connection of the first knob 83. The first mounting hole 24 and the first positioning hole 23 are interconnected. A clamping gap 25 for clamping the swab rod 6 is formed between the end of the first knob 83 that extends into the first positioning hole 23 and the inner wall of the first positioning hole 23.

[0031] The outer wall of the column 81 has a positioning surface 26 extending along its height direction. The first side of the mounting plate 82 has a second positioning hole 27 for the column 81 to be inserted. The mounting plate 82 has a second mounting hole 28 threadedly connected to the second knob 84. The second mounting hole 28 and the second positioning hole 27 are interconnected. The end of the second knob 84 that extends into the second positioning hole 27 abuts against the positioning surface 26 so that the mounting plate 82 can be detachably connected to the column 81 and the height position of the mounting plate 82 on the column 81 can be adjusted.

[0032] Of course, the above are just typical examples of this utility model. In addition, this utility model may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by this utility model.

Claims

1. A swab sample elution device, characterized in that, include: The elution box (1) has an upward-facing opening and is covered with an elution cover (2). The elution cover (2) has multiple placement holes (3) arranged in an array along its length. The placement holes (3) are rotatably connected to a placement sleeve (4). The placement sleeve (4) holds a flexible sample tube (5). The flexible sample tube (5) is used to place a swab rod (6) and a sampling eluent (7). The elution cover (2) is provided with a clamping mechanism (8) for clamping the swab rod (6) at a position relative to the placement holes (3). The extrusion rotation assembly (9) includes two opposing drive bars (91), a drive wheel (92), and a rotation drive device (93). The drive bars (91) are slidably connected to the inner wall of the washing cover (2), and the drive wheel (92) is rotatably connected to the inner wall of the washing cover (2). The rotating end of the rotation drive device (93) is detachably connected to the drive wheel (92). A transmission bar (10) is provided on the upper part of the drive bar (91). Each of the placement sleeves... (4) and the drive wheel (92) are arranged in a straight array between the two drive bars (91). The drive wheel (92) is connected to the opposite side of the two transmission bars (10). Each placement sleeve (4) is connected to the opposite side of the two transmission bars (10). The lower part of the drive bar (91) is provided with an extrusion bar (11). The opposite sides of the two extrusion bars (11) are provided with wavy protrusions (12) to form an extrusion gap (13) for extruding the flexible sample tube (5).

2. The swab sample elution device according to claim 1, characterized in that, The portion of the placement sleeve (4) that extends into the washing box (1) forms a drive ring (14). The transmission bar (10) is a rack and pinion structure. Both the drive ring (14) and the drive wheel (92) are gear structures. Each drive ring (14) and the drive wheel (92) mesh with the opposite sides of the two transmission bars (10).

3. The swab sample elution device according to claim 1, characterized in that, The rotary drive device (93) is fixedly connected to the bottom inner wall of the washing box (1). The rotating end of the rotary drive device (93) is provided with a connector (15). The bottom surface of the drive wheel (92) is provided with a docking groove (16) for the connector (15) to be positioned and inserted.

4. The swab sample elution device according to claim 3, characterized in that, The connector (15) can be in the shape of a line, triangle, or star.

5. The swab sample elution device according to claim 1, characterized in that, The flexible sample tube (5) has two symmetrical support parts (17) on its side wall. The top of the placement sleeve (4) is provided with a placement ring (18), which covers the placement hole (3). The top of the placement ring (18) is provided with a support groove (19) for the support parts (17) to be inserted.

6. The swab sample elution device according to claim 1, characterized in that, A bearing component (20) is provided between the placement hole (3) and the placement sleeve (4). The outer ring of the bearing component (20) is fixedly connected to the inner wall of the placement hole (3), and the inner ring of the bearing component (20) is for the placement sleeve (4) to be inserted.

7. The swab sample elution device according to claim 6, characterized in that, The outer wall of the placement sleeve (4) is provided with a positioning strip (21), and the inner ring of the bearing component (20) is provided with a positioning groove (22) for the positioning strip (21) to be inserted.

8. The swab sample elution device according to claim 1, characterized in that, The clamping mechanism (8) includes a column (81), a mounting plate (82), and a first knob (83). The column (81) is fixedly connected to the washing cover (2). The mounting plate (82) is detachably connected to the column (81). The mounting plate (82) has a first positioning hole (23) through it at a position relative to the placement sleeve (4). The mounting plate (82) also has a first mounting hole (24) through it for threaded connection of the first knob (83). The first mounting hole (24) communicates with the first positioning hole (23). A clamping gap (25) for clamping the swab rod (6) is formed between the end of the first knob (83) that extends into the first positioning hole (23) and the inner wall of the first positioning hole (23).

9. The swab sample elution device according to claim 8, characterized in that, The clamping mechanism (8) further includes a second knob (84). The outer wall of the column (81) is formed with a positioning surface (26) extending along its height direction. The first side of the mounting plate (82) is provided with a second positioning hole (27) for the column (81) to be inserted. The mounting plate (82) is provided with a second mounting hole (28) for the second knob (84) to be threadedly connected. The second mounting hole (28) and the second positioning hole (27) are interconnected. The end of the second knob (84) extending into the second positioning hole (27) abuts against the positioning surface (26).

10. The swab sample elution device according to claim 1, characterized in that, It also includes a controller (29), which is disposed on the side wall of the washing box (1), and the rotary drive device (93) is connected to and controlled by the controller (29).

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