Sample separation treatment device for clinical laboratory
By integrating dry and wet separation and centrifugal separation functions, the sample separation and processing device solves the problem of the need for secondary transfer of fecal samples, realizes automated solid-liquid separation and centrifugal separation, and reduces the risk of contact and odor diffusion.
Patent Information
- Application Number
- CN202520452080.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing fecal sample dry-wet separation devices require secondary transfer, increasing the risk of contact infection and causing odor spread, which affects the working environment.
Design a sample separation and processing device that integrates dry and wet separation and centrifugal separation functions. The device achieves automated solid-liquid separation and centrifugal separation of samples by manually pressing a lifting column and a hollow column structure, thereby reducing the transfer process.
It integrates solid-liquid separation and centrifugation of fecal samples, reducing the risk of contact and odor diffusion, and simplifying the operation process.
Smart Images

Figure CN223910616U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a sample separation treatment device, concretely relates to a sample separation treatment device for clinical laboratory belongs to sample processing equipment technical field. BACKGROUND
[0002] The fecal sample has great effect on inspection. In the inspection process of the feces, the impurities and parasites in the feces can be separated from the fecal sample through centrifugal action, and then the fecal sample can be extracted for inspection. However, since urine is easily mixed in the feces, if the urine component is high, it can affect the composition of the fecal sample, and thus affect the subsequent inspection results, so dry and wet separation treatment is needed. Chinese patent document No. CN221520667U discloses a dry and wet separation sample box for temporarily storing feces, and after the dry and wet separation is completed, the feces are sent into a separation device for centrifugal processing. However, this sample box needs to be transferred into the centrifugal separation device twice after the dry and wet separation is completed, which increases the risk of contact infection and easily spreads the odor, affecting the working environment.
[0003] Therefore, further improvement is needed. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the above technical defects, and provides a sample separation treatment device for clinical laboratory, which reduces the sample transfer process, reduces the contact risk, has simple and reasonable structure, and has high practical value.
[0005] A sample separation treatment device for clinical laboratory, comprising a rack and a seat body, a manual pressing plate is arranged on the rack, a driving end is arranged on the manual pressing plate, a waste liquid collection box is arranged below the manual pressing plate, a jacking column is arranged in the waste liquid collection box, an upper top protrusion is arranged on the seat body opposite to the jacking column, a sample collection cylinder is arranged on the waste liquid collection box, an opening and closing mechanism is arranged at the bottom of the sample collection cylinder, the opening and closing mechanism and the jacking column are in opposite positions, and the sample collection cylinder top is detachably connected with the driving end.
[0006] Further, the jacking column penetrates the bottom of the waste liquid collection box, the jacking column and the waste liquid collection box are in sliding sealing connection, and an opening is arranged in the bottom of the waste liquid collection box opposite to the jacking protrusion.
[0007] Further, the opening and closing mechanism comprises a hollow column, a protrusion is arranged on the sidewall of the hollow column, a through hole is arranged in the bottom of the sample collection cylinder opposite to the hollow column, a guide groove is arranged on the inner wall of the through hole, the protrusion slides in the guide groove, a spring is further arranged in the guide groove, and the spring and the protrusion are connected to provide a pressing force for the hollow column.
[0008] Furthermore, the hollow column has openings at its upper and lower ends; several holes are formed on the circumferential surface of the hollow column; the holes are connected to the interior of the hollow column; the holes are located within the through hole and the waste liquid collection box, or within the sample collection tube, the through hole and the waste liquid collection box.
[0009] Furthermore, the bottom of the hollow column is in contact with or separate from the top of the lifting column; the bottom of the lifting column is located inside the opening and is in contact with or separate from the lifting protrusion.
[0010] Furthermore, the inner part is provided with a sliding limiting groove; both ends of the manual pressing plate are set in the sliding limiting groove and connected to the spring; the driving end is a motor; the output shaft of the motor passes through the manual pressing plate; the bottom end of the output shaft is provided with a transmission protrusion in the circumferential direction; the top of the sample collection tube is inserted with a top cover; the surface of the top cover is provided with a transmission groove; the transmission protrusion is inserted into the transmission groove.
[0011] Furthermore, a filter inner tube is provided on the inner wall of the sample collection tube.
[0012] This invention offers the following advantages: After placing the sample in the sample collection tube, the top cover is installed on the sample collection tube, which is then placed on the waste liquid collection box. The waste liquid collection box is then placed on the base, opening and closing the mechanism to allow the liquid in the sample to move downwards into the waste liquid collection box. After the solid-liquid separation process is complete, no secondary transfer is required. Instead, the manual pressing plate is pressed down, causing the transmission protrusion to engage with the transmission groove, activating the drive end and driving the sample collection tube to rotate at high speed, centrifuging the feces inside. After centrifugation, the sample collection tube is removed, and the fecal sample inside can be extracted for subsequent testing. Throughout the process, the dry-wet separation and centrifugation processes are integrated, reducing transfer steps and minimizing contact risks. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0014] Figure 2 This is a schematic diagram of the lifting column and the opening / closing mechanism.
[0015] Figure 3 This is a schematic diagram of the opening and closing mechanism in the lifted state.
[0016] Figure 4 This is a schematic diagram showing the connection between the manual pressing plate and the frame.
[0017] Figure 5 This is a schematic diagram of the connection structure between the drive end and the sample collection tube.
[0018] In the figure: 1 is a rack, 1-1 is a sliding limit groove, 2 is a seat body, 3 is a manual pressing plate, 4 is a driving end, 5 is a waste liquid collecting box, 6 is a jacking column, 7 is a jacking protrusion, 8 is a hollow column, 8-1 is a protrusion, 8-2 is a strip hole, 9 is a guide groove, 10 is a motor, 10-1 is a transmission protrusion, 11 is an upper cover, 11-1 is a transmission groove, 12 is a filter screen inner cylinder, 13 is a lock block, and 14 is a sample collection cylinder. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.
[0020] Referring to Figures 1-5 The embodiment of the application discloses a sample separation processing device for a clinical laboratory, which comprises a rack 1 and a seat body 2, the rack 1 is provided with a manual pressing plate 3; the manual pressing plate 3 is provided with a driving end 4; the lower portion of the manual pressing plate 3 is provided with a waste liquid collecting box 5; the waste liquid collecting box 5 is provided with a jacking column 6; the seat body 2 is provided with a jacking protrusion 7 opposite to the jacking column 6; the waste liquid collecting box 5 is provided with a sample collection cylinder 14; the bottom of the sample collection cylinder 8 is provided with an opening and closing mechanism; the opening and closing mechanism is in a relative position with the jacking column 6; and the top of the sample collection cylinder 8 is detachably connected with the driving end 4.
[0021] Further, the jacking column 6 penetrates the bottom of the waste liquid collecting box 5; the jacking column 6 is in sliding and sealing connection with the waste liquid collecting box 5; and the bottom of the waste liquid collecting box 5 is provided with an opening opposite to the jacking protrusion 7.
[0022] Further, the opening and closing mechanism comprises a hollow column 8; the sidewall of the hollow column 8 is provided with a protrusion 8-1; the bottom of the sample collection cylinder 8 is provided with a through hole opposite to the hollow column 8; a guide groove 9 is formed in the inner wall of the through hole; the protrusion 8-1 is in sliding in the guide groove 9; a spring is further arranged in the guide groove; and the spring is in contact with the protrusion 8-1, so as to provide a downward pressure for the hollow column 8.
[0023] Further, the upper and lower ends of the hollow column 8 are open; a plurality of strip holes 8-2 are formed in the circumferential surface of the hollow column 8; the strip holes 8-2 are in communication with the inside of the hollow column 8; and the strip holes 8-2 are in the through hole and the waste liquid collecting box, or in the sample collection cylinder, the through hole and the waste liquid collecting box.
[0024] Further, the bottom of the hollow column 8 is in contact with or separated from the top of the jacking column 6; and the bottom of the jacking column 6 is in the opening and in contact with or separated from the jacking protrusion.
[0025] Further, the frame 1 is provided with a sliding limiting groove 1-1; the manual pressing plate 3 is provided at both ends of the sliding limiting groove 1-1 and is connected with a spring; the driving end is a motor 10; the output shaft of the motor 10 penetrates the manual pressing plate; the bottom end of the output shaft is provided with a transmission protrusion 10-1 in the circumferential direction; the top of the sample collection cylinder 8 is provided with an upper cover 11; the surface of the upper cover 11 is provided with a transmission groove 11-1; and the transmission protrusion 10-1 is inserted into the transmission groove 11-1.
[0026] Further, the inner wall of the sample collection cylinder 8 is provided with a filter screen inner cylinder 12.
[0027] Working principle: the feces is put into the sample collection cylinder 8, and then the upper cover 11 is installed on the surface of the sample collection cylinder 8; at this time, the opening and closing mechanism is closed, so that the bottom of the sample collection cylinder 14 is closed; then the sample collection cylinder 14 is placed on the waste liquid collecting box 5, and then the waste liquid collecting box 5 is placed on the seat body 2; then the manual pressing plate 3 is pressed down, so that the transmission protrusion 10-1 is inserted into the transmission groove 11-1, and the locking block 13 is rotated, so that the locking block 13 is located in the sliding limiting groove 1-1, and the position of the manual pressing plate 3 is locked; at this time, the jacking protrusion 7 on the seat body 2 is inserted into the bottom opening of the waste liquid collecting box 5, and the jacking column 6 is jacked up, and the jacking column 6 is lifted and pushes the hollow column 8 to rise, because the circumferential surface of the hollow column 8 is provided with a slot 8-2, with the rising of the jacking column 6, part of the slot 8-2 will rise to the inside of the sample collection cylinder 14, guide the liquid into the slot 8-2, and flow out from the lower part of the slot 8-2 into the waste liquid collecting box 5, so as to achieve the purpose of dry and wet separation. After the dry and wet separation is completed, the motor is started, so that the waste liquid collecting box 5 is driven to rotate and centrifugal separation is carried out.
[0028] The specific implementation mode of the utility model does not constitute the limitation to the protection scope of the utility model. Any various other corresponding changes and deformation according to the technical concept of the utility model should be contained in the protection scope of the utility model claim.
Claims
1. A sample separation processing apparatus for a clinical laboratory comprising a frame (1) and a seat (2), characterized in that: The rack (1) is provided with a manual pressing plate (3); the manual pressing plate (3) is provided with a driving end (4); the lower portion of the manual pressing plate (3) is provided with a waste liquid collecting box (5); the waste liquid collecting box (5) is provided with a jacking column (6); the jacking column (6) is provided with a jacking protrusion (7) on the seat body (2); the waste liquid collecting box (5) is provided with a sample collection cylinder (14); the bottom of the sample collection cylinder (14) is provided with an opening and closing mechanism; the opening and closing mechanism is in a relative position with the jacking column (6); the top of the sample collection cylinder (14) is detachably connected with the driving end (4).
2. A sample separation processing apparatus for a clinical laboratory according to claim 1, characterized by: The jacking column (6) penetrates through the bottom of the waste liquid collecting box (5); the jacking column (6) is in a sliding sealing connection with the waste liquid collecting box (5); the bottom of the waste liquid collecting box (5) is provided with an opening relative to the jacking protrusion (7).
3. A sample separation processing apparatus for a clinical laboratory according to claim 2, characterized by: The opening and closing mechanism comprises a hollow column (8); the sidewall of the hollow column (8) is provided with a protrusion (8-1); the bottom of the sample collection cylinder (14) is provided with a through hole relative to the hollow column (8); the inner wall of the through hole is provided with a guide groove (9); the protrusion (8-1) slides in the guide groove (9); the guide groove is further provided with a spring; the spring is in contact with the protrusion (8-1) to provide a downward pressure for the hollow column (8).
4. A sample separation processing apparatus for a clinical laboratory according to claim 3, characterized by: The upper and lower ends of the hollow column (8) are open; a plurality of strip holes (8-2) are formed on the circumferential surface of the hollow column (8); the strip holes (8-2) are in communication with the inside of the hollow column (8); the strip holes (8-2) are located in the through hole and the waste liquid collecting box, or in the sample collection cylinder, the through hole and the waste liquid collecting box.
5. A sample separation processing apparatus for a clinical laboratory according to claim 4, characterized by: The bottom of the hollow column (8) is in contact with or separated from the top of the jacking column (6); the bottom of the jacking column (6) is located in the opening and in contact with or separated from the jacking protrusion.
6. A sample separation processing apparatus for a clinical laboratory according to claim 5, characterized by: The rack (1) is provided with a sliding limiting groove (1-1); the two ends of the manual pressing plate (3) are arranged in the sliding limiting groove (1-1) and in contact with the spring; the driving end is a motor (10); the output shaft of the motor (10) penetrates through the manual pressing plate; the bottom end of the output shaft is provided with a transmission protrusion (10-1) in the circumferential direction; the top of the sample collection cylinder (14) is inserted with an upper cover (11); the surface of the upper cover (11) is provided with a transmission groove (11-1); the transmission protrusion (10-1) is inserted in the transmission groove (11-1).
7. A sample separation processing apparatus for a clinical laboratory according to claim 6, characterized by: The inner wall of the sample collection cylinder (14) is provided with a filter screen inner cylinder (12); the two ends of the manual pressing plate (3) are rotatably connected with a locking block (13).
Citation Information
Patent Citations
Dry-wet separation excrement sample box
CN221520667U