Full-automatic constant-temperature red blood cell washing equipment for cross blood matching and red blood cell inspection

Abstract

The invention belongs to the technical field of red blood cell washing, and particularly relates to full-automatic constant-temperature red blood cell washing equipment for cross blood matching and red blood cell inspection, which comprises a washing equipment body with a constant-temperature function and a partition plate arranged in the washing equipment body, after the washing container is clamped and fixed through the linkage turnover mechanism, the linkage turnover mechanism can drive the clamped and fixed washing container to rotate by a certain angle under the action of a linkage toothed plate in the process of driving the linkage turnover mechanism to stretch out and draw back left and right through the stretching mechanism; the inclination angle of the washing container can be adjusted to meet different centrifugal requirements, in the process that the stretching mechanism and the washing container are driven by the rotary driving mechanism to rotate for centrifugation, the stretching mechanism is controlled to do reciprocating telescopic motion to control the washing container to swing back and forth, and the washing effect is improved through composite motion of rotary centrifugation and reciprocating swing. And the centrifugal efficiency and the washing effect can be greatly improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of red blood cell washing, and particularly relates to a full-automatic constant-temperature red blood cell washing equipment for cross matching and red blood cell examination. BACKGROUND

[0002] In clinical medicine, cross matching and red blood cell related examination are key steps to ensure safety before blood transfusion, and red blood cell washing is an important link in these steps. Traditional red blood cell washing is usually completed by manual or semi-automatic centrifuges, and has problems such as complicated operation, low efficiency, easy interference by human factors, unstable washing effect, and the like. In particular, in the process of centrifugation and pouring supernatant, red blood cells are easily lost or solution is easily spilled, which causes biological safety risk or inaccurate examination results. In addition, the existing equipment is not perfect in terms of multiple washing, waste liquid sealing collection and automatic control, and is difficult to meet the needs of modern hospital blood transfusion departments and clinical laboratories for high-throughput, full automation and high safety.

[0003] To solve the above problems, the application provides a full-automatic constant-temperature red blood cell washing equipment for cross matching and red blood cell examination. SUMMARY

[0004] The application provides a full-automatic constant-temperature red blood cell washing equipment for cross matching and red blood cell examination, which can effectively solve the problems in the background.

[0005] To achieve the above purpose, the application provides the following technical scheme: a full-automatic constant-temperature red blood cell washing equipment for cross matching and red blood cell examination, comprising a washing equipment body with a constant temperature function and a partition plate arranged in the washing equipment body, a rotary drive mechanism is rotatably arranged in the middle of the partition plate, an extension mechanism is fixedly arranged at the top end of the rotary drive mechanism, a linkage overturning mechanism and a linkage tooth plate are fixedly arranged at the extension mechanism and the outer side respectively, an annular waste liquid collector is fixedly arranged at the top of the partition plate, a linkage sealing mechanism is arranged at the liquid inlet of the top of the annular waste liquid collector, a water injection mechanism with a lifting function is arranged above the linkage sealing mechanism, and a washing container with a layered liquid isolation function is clamped above the linkage overturning mechanism. The washing container comprises a container body, a first electric push rod is fixedly arranged at the bottom end of the container body, a second electric push rod is arranged in the cavity at the top end of the first electric push rod, a piston assembly is fixedly arranged at the top end of the second electric push rod, hydraulic oil is filled above the piston assembly, a liquid collecting disc is connected through the top end of the first electric push rod, and a hydraulic expansion capsule and a density sensor are fixedly arranged at the outer side and the bottom of the liquid collecting disc respectively.

[0006] Preferably, the outer surface of the hydraulic expansion bag is provided with a pressure sensor for sensing the sealing pressure between the expanded hydraulic expansion bag and the container body.

[0007] Preferably, the rotating drive mechanism comprises a first rotating motor fixedly arranged at the bottom of the inner cavity of the washing device body and a rotating column rotatably arranged on the partition plate, the output shaft end of the first rotating motor is fixedly provided with a drive gear, and the outer side of the rotating column is fixedly sleeved with a driven gear, and the driven gear is in meshing connection with the drive gear. The bottom end of the rotating column is fixedly provided with a current collector ring for rotating power supply.

[0008] Preferably, the stretching mechanism comprises a housing fixedly arranged at the top end of the rotating column, the top of the housing is fixedly provided with a second rotating motor, the output shaft end of the second rotating motor is fixedly connected with a rotating drive disc, the rotating drive disc is provided with an arc-shaped drive slot, the outer side of the housing is slidably inserted with a telescopic arm, the bottom of one end of the telescopic arm is fixedly provided with a stand, and the stand is inserted into the arc-shaped drive slot.

[0009] Preferably, the linkage overturning mechanism comprises a rack fixedly arranged at one end of the telescopic arm, the both sides of the rack are rotatably provided with elastic telescopic components, the both ends of the elastic telescopic components are respectively provided with clamping plates and linkage gears, and the linkage gears are in meshing connection with the linkage toothed plate.

[0010] Preferably, the elastic telescopic component comprises a sleeve rotatably arranged at the both sides of the rack, one end of the sleeve is inserted with a telescopic column, and one end of the telescopic column is fixedly provided with a return spring.

[0011] Preferably, one side of the clamping plate is fixedly provided with a limiting protrusion, the end of the limiting protrusion is fixedly provided with a first electric contact point, the outer side of the container body is provided with a limiting clamping groove matched with the limiting protrusion, and the inner cavity of the limiting clamping groove is fixedly provided with a second electric contact point for power supply after clamping the washing container.

[0012] Preferably, the outer side of the annular waste liquid collector is provided with a drain port with a valve; The linkage sealing mechanism comprises a connecting stand fixedly arranged at the top of the annular waste liquid collector, the sealing cover plate is connected to the connecting stand through a spring column, the sealing cover plate is slidably arranged at the top of the annular waste liquid collector, the end of the sealing cover plate is fixedly provided with a linkage push rod, and a gap is left between the linkage push rod and the rack before the outward extension, so as to avoid blocking the rotation of the linkage overturning mechanism under the driving of the rotating drive mechanism.

[0013] Preferably, the water injection mechanism comprises a washing liquid storage tank fixed outside the body of the washing device and a lifting assembly inside the body, one side of the lifting assembly is connected with a ring-shaped pipe, the bottom of the ring-shaped pipe is provided with a water injection pipe, a liquid conveying pipe is connected through between the washing liquid storage tank and the ring-shaped pipe, and a water pump is connected on the liquid conveying pipe.

[0014] Preferably, the lifting assembly comprises a rectangular shell, a third rotary motor is fixedly arranged at the top end of the rectangular shell, a lead screw is fixedly connected at the output shaft end of the third rotary motor, a lifting block is threadedly connected outside the lead screw, a connecting slide rod is fixedly arranged at one side of the lifting block, and the ring-shaped pipe is fixedly connected at one end of the connecting slide rod.

[0015] Compared with the prior art, the present application has the following beneficial effects: 1. After the washing container is clamped and fixed by the linkage overturning mechanism, the linkage overturning mechanism can drive the clamped and fixed washing container to rotate a certain angle under the action of the linkage toothed plate in the process of stretching and retracting of the stretching mechanism driven by the rotating driving mechanism, so that the inclination angle of the washing container can be adjusted to meet different centrifugal requirements, and the washing container can be controlled to swing back and forth by controlling the reciprocating movement of the stretching mechanism in the process of rotating and centrifuging the stretching mechanism and the washing container, so that the centrifugal efficiency and the washing effect can be greatly improved by the combined motion of rotating centrifugation and reciprocating swinging.

[0016] 2. The height of the hydraulic expansion capsule can be adjusted by the first electric push rod on the washing container, the piston assembly can be controlled to ascend and descend by the second electric push rod, and the hydraulic expansion capsule can be pressurized or depressurized by controlling the ascending and descending of the piston assembly, so that the washing container can be sealed, the solution in the washing container can be prevented from spilling out during centrifugal washing, and the precise isolation and pouring of the layered liquid can be realized, the upper washing liquid in the washing container can be poured into the waste liquid collector, the red blood cells can be effectively prevented from being poured out, and the loss of red blood cells can be minimized.

[0017] 3. The linkage sealing mechanism arranged at the top of the waste liquid collector is designed in linkage with the linkage overturning mechanism, the linkage sealing mechanism can be opened synchronously by the linkage overturning mechanism in the process of controlling the linkage overturning mechanism to stretch and control the washing container to rotate and pour the upper washing liquid by the stretching mechanism, and the linkage sealing mechanism can be reset synchronously when the stretching mechanism is controlled to contract and reset, so that the waste liquid collector can be automatically sealed, cross infection can be avoided, the inside of the washing container can be injected with saline water by the water injection mechanism, and multiple washing can be automatically completed by repeating the above-mentioned centrifugal washing steps after the saline water is injected, so that the whole process automation from clamping, centrifugal washing, sealing, pouring to waste liquid collection is realized, and the efficiency and consistency of red blood cell washing are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of the specification, illustrate embodiments of the application and are included to provide a further understanding of the application, and are made a part of the disclosure, and should not be considered limiting of the application. In the drawings: Figure 1 It is a whole structure schematic diagram of the automatic constant-temperature red blood cell washing equipment for cross matching and red blood cell test of the application; Figure 2 It is a partial sectional view structure schematic diagram of the automatic constant-temperature red blood cell washing equipment for cross matching and red blood cell test of the application; Figure 3 It is an enlarged structure schematic diagram of A in the application Figure 2 Figure 4 It is a connection structure schematic diagram of the annular waste liquid collector and the linkage sealing mechanism in the application; Figure 5 It is a structure schematic diagram of the rotary driving mechanism in the application; Figure 6 It is a sectional view structure diagram of the stretching mechanism in the application; Figure 7 It is a sectional view structure diagram of the washing container in the application; Figure 8 It is an enlarged structure schematic diagram of B in the application Figure 7 Figure 9 It is a partial sectional view structure diagram of the linkage overturning mechanism in the application.

[0019] In the drawings: 1, the washing equipment body; 2, the rotary driving mechanism; 201, the first rotary motor; 202, the rotating column; 203, the driving gear; 204, the driven gear; 205, the current collector ring; 3, the stretching mechanism; 301, the shell; 302, the second rotary motor; 303, the rotary driving disc; 304, the arc-shaped driving groove; 305, the telescopic arm; 306, the stand column; 4, the linkage overturning mechanism; 401, the rack; 402, the elastic telescopic component; 403, the clamping plate; 404, the linkage gear; 4021, the sleeve; 4022, the telescopic column; 4023, the reset spring; 5, the linkage gear plate; 6, the annular waste liquid collector; 7, the linkage sealing mechanism; 701, the connecting stand plate; 702, the sealing cover plate; 703, the spring column; 704, the linkage push rod; ​​8. Water injection mechanism; 801. Detergent storage tank; 802. Lifting assembly; 803. Annular pipe fitting; 804. Water injection pipe; 805. Water pump; 8021. Rectangular housing; 8022. Third rotary motor; 8023. Connecting slide bar; 9. Washing container; 901. Container body; 902. First electric push rod; 903. Second electric push rod; 904. Piston assembly; 905. Hydraulic oil; 906. Collection tray; 907. Hydraulic expansion bladder; 908. Density sensor; 10. Limiting protrusion; 11. First electrical contact; 12. Limiting slot; 13. Second electrical contact. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0021] Examples, such as Figures 1-9 As shown, a fully automatic constant temperature red blood cell washing device for crossmatching and red blood cell testing includes a washing device body 1 with constant temperature function and a partition 101 disposed inside the washing device body 1. A rotary drive mechanism 2 is rotatably provided in the middle of the partition 101. An extension mechanism 3 is fixed at the top of the rotary drive mechanism 2. A linkage flipping mechanism 4 and a linkage toothed plate 5 are respectively fixed at the extension end and the outer side of the extension mechanism 3. An annular waste liquid collector 6 is fixed at the top of the partition 101. A linkage sealing mechanism 7 is provided at the liquid inlet at the top of the annular waste liquid collector 6. A water injection mechanism 8 with lifting function is provided above the linkage sealing mechanism 7. A washing container 9 with stratified liquid isolation function is clamped on the linkage flipping mechanism 4. The washing container 9 includes a container body 901. A first electric push rod 902 is fixedly installed at the bottom of the container body 901. A second electric push rod 903 is installed in the cavity inside the top of the first electric push rod 902. A piston assembly 904 is fixedly installed at the top of the second electric push rod 903. Hydraulic oil 905 is filled above the piston assembly 904. A liquid collection tray 906 is connected through the top of the first electric push rod 902. A hydraulic expansion bladder 907 and a density sensor 908 are fixedly installed on the outside and bottom of the liquid collection tray 906, respectively. The density sensor 908 can detect the separation point between the upper and lower layers of solution, which facilitates precise control of the height of the hydraulic expansion bladder 907 to achieve precise isolation.

[0022] In the embodiment: after the washing container 9 is clamped and fixed by the linkage overturning mechanism 4, the linkage overturning mechanism 4 can drive the clamped and fixed washing container 9 to rotate a certain angle under the action of the linkage gear plate 5 during the process of driving the linkage overturning mechanism 4 to extend left and right by the extension mechanism 3, which not only can adjust the inclination angle of the washing container 9 to meet different centrifugal requirements, but also can control the washing container 9 to swing back and forth by controlling the reciprocating movement of the extension mechanism 3 during the process of driving the extension mechanism 3 and the washing container 9 to rotate for centrifugation by the rotary driving mechanism 2, and the compound movement of rotary centrifugation and reciprocating swinging can greatly improve the centrifugal efficiency and washing effect. The linkage sealing mechanism 7 arranged at the top of the waste liquid collector 6 is designed in linkage with the linkage overturning mechanism 4, and the linkage overturning mechanism 4 can be opened synchronously by extruding the linkage sealing mechanism 7 during the process of controlling the linkage overturning mechanism 4 to extend by the extension mechanism 3 to control the washing container 9 to rotate and pour the upper layer of washing liquid, and the linkage sealing mechanism 7 will be reset synchronously when the extension mechanism 3 is controlled to shrink and reset, so as to automatically seal the waste liquid collector 6 and avoid cross infection. By arranging the water injection mechanism 8, salt water can be injected into the washing container 9, and after the salt water is injected, the above-mentioned centrifugal washing steps can be repeated to automatically complete multiple washing, realizing the full-process automation from clamping, centrifugation, sealing, pouring to waste liquid collection, and significantly improving the efficiency and consistency of red blood cell washing.

[0023] Further: In an optional embodiment, a pressure sensor is arranged on the outer surface of the hydraulic expansion bag 907, and the pressure sensor is used to sense the sealing pressure between the expanded hydraulic expansion bag 907 and the container body 901.

[0024] In the embodiment: the pressure sensor can sense the sealing pressure between the expanded hydraulic expansion bag 907 and the container body 901, and the pressure sensor is connected with the control system to facilitate the control system to control the second electric push rod 903 to extend and retract to accurately control the sealing.

[0025] In an optional embodiment, the rotary driving mechanism 2 includes a first rotary motor 201 fixedly arranged at the bottom of the inner cavity of the washing equipment body 1 and a rotating column 202 rotatably arranged on the partition plate 101, the output shaft end of the first rotary motor 201 is fixedly provided with a driving gear 203, and the rotating column 202 is fixedly sleeved with a driven gear 204 on the outer side, and the driven gear 204 is meshingly connected with the driving gear 203. The bottom end of the rotating column 202 is fixedly provided with a current collector ring 205, and the current collector ring 205 is used for rotary power supply.

[0026] In the embodiment, the first rotating motor 201 can drive the rotating column 202 to rotate through the driving gear 203 and the driven gear 204, and the rotating column 202 can drive the stretching mechanism 3 and the washing container 9 to rotate rapidly for centrifugal washing.

[0027] In an optional embodiment, the stretching mechanism 3 comprises a housing 301 fixedly arranged at the top end of the rotating column 202, a second rotating motor 302 fixedly arranged at the top of the housing 301, a rotating driving disc 303 fixedly connected to the output shaft end of the second rotating motor 302, an arc-shaped driving groove 304 arranged on the rotating driving disc 303, and a telescopic arm 305 slidingly arranged outside the housing 301, wherein one end of the telescopic arm 305 is fixedly provided with a stand column 306, and the stand column 306 is arranged in the arc-shaped driving groove 304.

[0028] In the embodiment, the rotating driving disc 303 can be driven to rotate in forward and reverse directions by the second rotating motor 302, and the telescopic arm 305 can be driven to extend and retract by the arc-shaped driving groove 304 and the stand column 306 when the rotating driving disc 303 rotates in forward and reverse directions, so that the linkage overturning mechanism 4 can be controlled to move left and right.

[0029] In an optional embodiment, the linkage overturning mechanism 4 comprises a rack 401 fixedly arranged at one end of the telescopic arm 305, and a resilient telescopic assembly 402 rotatably arranged on both sides of the rack 401, wherein the resilient telescopic assembly 402 is provided with a clamping plate 403 and a linkage gear 404 at both ends, respectively, and the linkage gear 404 is meshingly connected with the linkage tooth plate 5.

[0030] In the embodiment, during the left and right movement of the linkage overturning mechanism 4, the linkage gear 404 can be driven to rotate in forward and reverse directions by the linkage tooth plate 5, thereby driving the clamping-fixed washing container 9 to rotate by a certain angle, so as to meet different centrifugal washing requirements.

[0031] Further, In an optional embodiment, the resilient telescopic assembly 402 comprises a sleeve 4021 rotatably arranged on both sides of the rack 401, a telescopic column 4022 penetratingly arranged at one end of the sleeve 4021, and a return spring 4023 fixedly arranged at one end of the telescopic column 4022.

[0032] In the embodiment, during use, the resilient telescopic assembly 402 is first pressed, then the washing container 9 is placed between the two groups of clamping plates 403, and then the resilient telescopic assembly 402 is released, so that the resilient telescopic assembly 402 is automatically reset under the elastic force of the return spring 4023, and the clamping plate 403 is synchronously reset, thereby quickly clamping and fixing the washing container 9.

[0033] In an optional embodiment, the clamping plate 403 is fixed on one side with a limiting protrusion 10, and the limiting protrusion 10 is fixed at the end with a first electrical contact 11. The outer side of the container body 901 is provided with a limiting clamping groove 12 matched with the limiting protrusion 10, and the inner cavity of the limiting clamping groove 12 is fixed with a second electrical contact 13, which is used to supply power to the washing container 9 after clamping.

[0034] In this embodiment, the first electrical contact 11 and the second electrical contact 13 are in contact to simultaneously complete the power supply to the washing container 9 while the clamping plate 403 clamps and fixes the washing container 9.

[0035] In an optional embodiment, the outer side of the annular waste liquid collector 6 is provided with a drain port with a valve; The linkage sealing mechanism 7 includes a connecting vertical plate 701 fixedly arranged at the top of the annular waste liquid collector 6. The connecting vertical plate 701 is connected on one side with a sealing cover plate 702 through a spring column 703, and the sealing cover plate 702 is slidingly arranged at the top of the annular waste liquid collector 6. The sealing cover plate 702 is fixedly provided at the top of one end with a linkage push rod 704. A gap is left between the linkage push rod 704 and the rack 401 before it extends outward, which is used to avoid blocking the rotation of the linkage overturning mechanism 4 under the drive of the rotary drive mechanism 2.

[0036] In this embodiment, during the process of controlling the linkage overturning mechanism 4 to extend to control the rotation of the washing container 9 to pour the upper layer of washing liquid, the linkage overturning mechanism 4 can be synchronously pressed to open the linkage sealing mechanism 7. When the control of the stretching mechanism 3 is completed and the stretching mechanism 3 is retracted for resetting, the linkage sealing mechanism 7 will be reset synchronously, which can automatically seal the waste liquid collector 6 and can avoid cross infection.

[0037] In an optional embodiment, the water injection mechanism 8 includes a washing liquid storage tank 801 fixedly arranged outside the washing equipment body 1 and a lifting assembly 802 arranged inside. The lifting assembly 802 is connected on one side with an annular pipe 803, and the bottom of the annular pipe 803 is provided with a water injection pipe 804. A liquid conveying pipe is connected through between the washing liquid storage tank 801 and the annular pipe 803, and a water pump 805 is connected on the liquid conveying pipe. The lifting assembly 802 includes a rectangular housing 8021, and the top end of the rectangular housing 8021 is fixedly provided with a third rotary motor 8022. The output shaft end of the third rotary motor 8022 is fixedly connected with a lead screw, and the outer side of the lead screw is threadedly connected with a lifting block. The lifting block is fixedly provided on one side with a connecting slide rod 8023, and the annular pipe 803 is fixedly connected at one end of the connecting slide rod 8023.

[0038] In the embodiment: the rotation of the third rotary motor 8022 can drive the screw rod to rotate forward and backward, so as to drive the lifting block to lift, and then control the lifting of the annular pipe 803. When injecting saline, the annular pipe 803 can be controlled to descend by the lifting assembly 802, the bottom end of the water injection pipe 804 can be inserted into the washing container 9, so as to avoid spilling of saline when injecting water. The setting of the water injection mechanism 8 can inject saline into the washing container 9. After injecting saline, the above-mentioned centrifugal washing steps can be repeated to automatically complete multiple washing, realize the full-process automation from clamping, centrifugal, sealing, pouring to waste liquid collection, and significantly improve the efficiency and consistency of red blood cell washing.

[0039] In specific implementation: first press the elastic stretching assembly 402, then place the washing container 9 between the two groups of clamping plate pieces 403, then release the elastic stretching assembly 402, the elastic stretching assembly 402 is automatically reset under the elastic force of the reset spring 4023, the reset elastic stretching assembly 402 drives the clamping plate piece 403 to reset synchronously, so as to quickly clamp and fix the washing container 9. After the clamping and fixing of the washing container 9 by the linkage turnover mechanism 4 is completed, the stretching mechanism 3 is controlled to contract. In the process of contraction of the stretching mechanism 3, the linkage turnover mechanism 4 can drive the clamped and fixed washing container 9 to rotate inward by a certain angle under the action of the linkage toothed plate 5. The angle is preferably 45 degrees to 90 degrees. In specific use, the inclination angle of the washing container 9 can be adjusted according to specific needs to meet different centrifugal requirements. Moreover, in the process of rotation of the stretching mechanism 3 and the washing container 9 driven by the rotary driving mechanism 2, the reciprocating stretching movement of the stretching mechanism 3 can control the back-and-forth swinging of the washing container 9. Through the combined movement of rotary centrifugal and reciprocating swinging, the centrifugal efficiency and washing effect can be greatly improved. The first electric push rod 902 is used to control the hydraulic expansion bag 907 to rise above the washing liquid surface before centrifugal washing, and then the second electric push rod 903 is used to control the piston assembly 904 to rise to inflate the hydraulic expansion bag 907, so that the inflated hydraulic expansion bag 907 can seal the washing container 9, and the solution in the washing container 9 can be prevented from spilling out during centrifugal washing. After centrifugal washing, the stretching mechanism 3 is used to control the linkage turnover mechanism 4 and the washing container 9 to reset, and then the second electric push rod 903 is used to control the piston assembly 904 to descend to deflate the hydraulic expansion bag 907, and then the first electric push rod 902 is used to control the hydraulic expansion bag 907 to descend to the position between the upper washing liquid surface and the lower layer of red blood cells, and then the hydraulic expansion bag 907 is inflated again to seal the washing container 9. After sealing, the stretching mechanism 3 is controlled to stretch outward, and the linkage turnover mechanism 4 is used to control the washing container 9 to rotate reversely outward, so that the upper washing liquid in the washing container 9 can be poured into the waste liquid collector 6, the layered liquid can be accurately isolated and poured, the red blood cells can be effectively prevented from being poured out, and the loss of red blood cells can be minimized. After one-time centrifugal washing, the stretching mechanism 3 is used to control the linkage turnover mechanism 4 and the washing container 9 to reset, and then the water injection mechanism 8 is used to inject saline into the washing container 9. After injecting the saline, the above-mentioned centrifugal washing steps are repeated to automatically complete multiple washing. The linkage sealing mechanism 7 arranged at the top of the waste liquid collector 6 is designed in linkage with the linkage turnover mechanism 4. During the process of stretching the linkage turnover mechanism 4 to control the washing container 9 to rotate and pour the upper washing liquid, the linkage turnover mechanism 4 can synchronously press the linkage sealing mechanism 7 to open, and the linkage sealing mechanism 7 can be reset synchronously when the stretching mechanism 3 is controlled to reset, so that the waste liquid collector 6 can be automatically sealed, and cross infection can be avoided.

[0040] Finally, it should be noted that the above-mentioned only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A full-automatic constant-temperature red blood cell washing device for cross matching and red blood cell test, comprising a washing device body (1) with constant-temperature function and a partition plate (101) arranged inside the washing device body (1), characterized in that: The rotating drive mechanism (2) is arranged in the middle of the partition plate (101), the top end of the rotating drive mechanism (2) is fixedly provided with an extension mechanism (3), the telescopic end of the extension mechanism (3) is fixedly provided with a linkage overturning mechanism (4) and a linkage gear plate (5) respectively on the outside, the top of the partition plate (101) is fixedly provided with an annular waste liquid collector (6), the liquid inlet at the top of the annular waste liquid collector (6) is provided with a linkage sealing mechanism (7), the linkage sealing mechanism (7) is provided with a water injection mechanism (8) with a lifting function above, the linkage overturning mechanism (4) is clamped with a washing container (9) with a layered liquid isolation function. The washing container (9) comprises a container body (901), the bottom end of the container body (901) is fixedly provided with a first electric push rod (902), the cavity in the top end of the first electric push rod (902) is provided with a second electric push rod (903), the top end of the second electric push rod (903) is fixedly provided with a piston assembly (904), the piston assembly (904) is filled with hydraulic oil (905) above, the top end of the first electric push rod (902) is throughly connected with a liquid collecting disc (906), the outside and the bottom of the liquid collecting disc (906) are fixedly provided with a hydraulic expansion capsule (907) and a density sensor (908) respectively.

2. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 1, characterized in that: The outside surface of the hydraulic expansion capsule (907) is provided with a pressure sensor, which is used for sensing the sealing pressure between the expanded hydraulic expansion capsule (907) and the container body (901).

3. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 1, characterized in that: The rotating drive mechanism (2) comprises a first rotating motor (201) fixedly arranged at the bottom of the inner cavity of the washing equipment body (1) and a rotating column (202) rotatably arranged on the partition plate (101), the output shaft end of the first rotating motor (201) is fixedly provided with a drive gear (203), the outside of the rotating column (202) is fixedly provided with a driven gear (204), the driven gear (204) and the drive gear (203) are meshingly connected; The bottom end of the rotating column (202) is fixedly provided with a current collecting ring (205), which is used for rotating power supply.

4. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 3, characterized in that: The extension mechanism (3) comprises a shell (301) fixedly arranged at the top end of the rotating column (202), the top of the shell (301) is fixedly provided with a second rotating motor (302), the output shaft end of the second rotating motor (302) is fixedly connected with a rotating drive disc (303), the rotating drive disc (303) is provided with an arc-shaped drive groove (304), the outside of the shell (301) is slidably provided with a telescopic arm (305), the bottom of one end of the telescopic arm (305) is fixedly provided with a stand column (306), and the one end of the stand column (306) penetrates into the arc-shaped drive groove (304).

5. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 4, characterized in that: The linkage flipping mechanism (4) includes a frame (401) fixedly installed at one end of the telescopic arm (305). Both sides of the frame (401) are provided with elastic telescopic components (402). The two ends of the elastic telescopic components (402) are respectively provided with clamping plates (403) and linkage gears (404), and the linkage gears (404) are meshed with the linkage toothed plate (5).

6. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 5, characterized in that: The elastic telescopic component (402) includes sleeves (4021) rotatably disposed on both sides of the frame (401), a telescopic column (4022) is inserted through one end of the sleeve (4021), and a return spring (4023) is fixedly disposed at one end of the telescopic column (4022).

7. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 6, characterized in that: A limiting protrusion (10) is fixedly provided on one side of the clamping plate (403), and a first electrical contact (11) is fixedly provided at the end of the limiting protrusion (10). A limiting slot (12) matching the limiting protrusion (10) is opened on the outside of the container body (901), and a second electrical contact (13) is fixedly provided in the inner cavity of the limiting slot (12) for supplying power to the washing container (9) after clamping.

8. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 5, characterized in that: The annular waste liquid collector (6) is provided with a drain outlet with a valve on its outer side; The linkage sealing mechanism (7) includes a connecting plate (701) fixedly installed on the top of the annular waste liquid collector (6). A sealing cover plate (702) is connected to one side of the connecting plate (701) via a spring column (703). The sealing cover plate (702) is slidably installed on the top of the annular waste liquid collector (6). A linkage push rod (704) is fixedly installed at the top of one end of the sealing cover plate (702). A gap is left between the linkage push rod (704) and the frame (401) before it extends outward, so as to avoid blocking the linkage flipping mechanism (4) from rotating under the drive of the rotation drive mechanism (2).

9. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 1, characterized in that: The water injection mechanism (8) includes a washing liquid storage tank (801) fixedly installed on the outside of the washing equipment body (1) and a lifting component (802) on the inside. A ring pipe (803) is connected to one side of the lifting component (802). A water injection pipe (804) is provided at the bottom of the ring pipe (803). A liquid delivery pipe is connected between the washing liquid storage tank (801) and the ring pipe (803), and a water pump (805) is connected to the liquid delivery pipe.

10. The fully automatic thermostatic red blood cell washing device for cross matching and red blood cell test according to claim 9, characterized in that: The lifting assembly (802) includes a rectangular shell (8021), a third rotary motor (8022) is fixedly mounted on the top of the rectangular shell (8021), a lead screw is fixedly connected to the end of the output shaft of the third rotary motor (8022), a lifting block is threadedly connected to the outside of the lead screw, a connecting slide rod (8023) is fixedly mounted on one side of the lifting block, and the annular tube (803) is fixedly connected to one end of the connecting slide rod (8023).

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