An apparatus for automatically separating and extracting PRP

Abstract

This invention relates to the field of PRP separation and extraction technology, and particularly to an apparatus for automatically separating and extracting PRP, comprising a centrifuge, a PRP extraction device, a PRP detection device, a robot motion device, and a placement and disposal device. The PRP extraction device is used to extract PRP from centrifuge tubes in the PRP detection device. The PRP extraction device includes an electric gripper for fixing the syringe barrel, two drive components for moving the syringe piston handle and the syringe as a whole, and a PRP layer detection module for detecting the relative position of the syringe needle and the PRP. The PRP detection device is equipped with a positioning module for detecting whether the syringe needle on the PRP extraction device is aligned with the centrifuge tube. This invention can accurately and automatically extract PRP after centrifugation, avoiding positioning differences during extraction that could cause errors in the syringe extraction position affecting the purity of the extracted PRP. It not only achieves fully automated PRP separation and extraction, but also achieves high extraction purity and high efficiency.

Description

Technical Field

[0001] This invention relates to the field of PRP separation and extraction technology, and in particular to a device for automatically separating and extracting PRP. Background Technology

[0002] Currently, PRP (platelet-rich plasma) is widely used in medical surgical treatments and bone disease treatments, demonstrating excellent therapeutic effects in disease prevention and rehabilitation. It will also see widespread clinical application in medical and cosmetic treatments.

[0003] Currently, the following problems exist: the concentration and quality of extracted PRP do not meet requirements; the level of automation is low, and the waiting time is long; manual PRP extraction is subject to visual errors; and the extraction process requires manual operation. To address these issues, we propose a device for the automated separation and extraction of PRP. Summary of the Invention

[0004] Based on the technical problems existing in the background technology, this invention proposes a device for automatic separation and extraction of PRP. It can accurately and automatically extract PRP after centrifugation, avoiding positioning differences during extraction that could cause errors in the syringe extraction position, thus affecting the purity of the extracted PRP. It not only achieves fully automated PRP separation and extraction, but also achieves high extraction purity and high efficiency, solving the problems of low automation and long waiting time in existing technologies; visual errors in manual PRP extraction; and insufficient concentration and quality of extracted PRP.

[0005] This invention provides the following technical solution: a device for automatically separating and extracting PRP, comprising a centrifuge, a PRP extraction device, a PRP detection device, a robot motion device, and a placement and disposal device;

[0006] The centrifuge is used to centrifuge centrifuge tubes containing PRP, and the robot motion device is used to put the centrifuge tubes into the centrifuge before centrifugation and put the centrifuge tubes into the PRP detection device after centrifugation.

[0007] The PRP extraction device is used to extract PRP from the centrifuge tubes in the PRP detection device, place the syringe on the electric gripper of the PRP extraction device, and put the extracted centrifuge tubes and syringe needles into the waste recycling bin.

[0008] The PRP extraction device includes an electric gripper for fixing the syringe, a first drive assembly for moving the syringe piston handle, a second drive assembly for moving the syringe as a whole, and a PRP layer detection module for detecting the relative position of the syringe needle and the PRP.

[0009] The PRP detection device is equipped with a centrifuge tube holder for fixing centrifuge tubes, and a positioning module for the origin of the syringe needle on the PRP extraction device.

[0010] Preferably, the PRP extraction device includes a second outer sheet metal cover, a drag chain sheet metal, a support base, a lead screw module, a lead screw motor, a syringe piston handle fixing plate, a syringe syringe, a syringe fixing block, a syringe needle fixing block, a syringe needle, a PRP layer detection module fixing block, and an electric gripper.

[0011] The electric gripper three is mounted on the lead screw module. The lead screw motor is used to drive the syringe piston handle fixing plate to move. The syringe fixing block is fixedly connected to the electric gripper three. The syringe needle fixing block is fixedly connected to the syringe fixing block. The syringe fixing block and the syringe needle fixing block move under the control of the electric gripper three.

[0012] Preferably, the PRP detection device includes a gravity sensor, a second centrifuge tube, a second centrifuge tube mounting base, a gravity sensor mounting plate, a sensor light-blocking plate, a limit sensor, and a motor.

[0013] The gravity sensor mounting plate is fixedly connected to the sensor light-blocking plate, the sensor light-blocking plate is fixedly connected to the motor, the motor is used to drive the sensor light-blocking plate and the gravity sensor mounting plate to rotate along the motor shaft, and the limit sensor is used to detect the rotation position of the sensor light-blocking plate.

[0014] Preferably, the robot motion device, PRP extraction device, PRP detection device, and placement and disposal device are all installed on the workbench, which is also equipped with a PRP counterweight device, a centrifuge tube, a syringe, a syringe needle, and a sterile cap placement and disposal device.

[0015] Preferably, the device for placing and disposing of centrifuge tubes, syringes, syringe needles and sterile caps includes a sheet metal outer shell and a support frame, as well as a centrifuge tube fixing seat, a waste recycling bin fixing seat and a syringe fixing seat placed inside the sheet metal outer shell.

[0016] Centrifuge tube 1 is placed inside centrifuge tube 1, waste recycling bin is placed inside waste recycling bin 1, and syringe with syringe needle is placed inside syringe 1.

[0017] Preferably, the PRP counterweight device includes a counterweight tube and a counterweight tube base.

[0018] Preferably, the robot motion device is provided with a robot gripper device, which includes a robot connector, an electric gripper connecting plate, an electric gripper one, and an electric gripper two.

[0019] The first electric gripper is used to grip the syringe; the second electric gripper is L-shaped and used to grip the centrifuge tube.

[0020] Both clamping surfaces of the electric gripper are triangular, and the two triangles form a quadrilateral when the gripper is closed, and each face of the quadrilateral is in contact with the clamped part.

[0021] Both clamping surfaces of the electric gripper are triangular, and the two triangles form a quadrilateral when the gripper is closed, with each face of the quadrilateral in contact with the clamped part.

[0022] Preferably, the surface of the waste recycling bin is provided with a boss, and the inside of the waste recycling bin fixing seat is provided with a groove, and the boss is used to insert into the groove and rotate to fix it.

[0023] Preferably, the waste recycling bin is equipped with a needle slot and a sterile cap.

[0024] Preferably, the centrifuge is installed below the workbench of the frame, and the frame is equipped with an electrical cabinet and an electrical cabinet door. The frame is also equipped with a control panel, a control switch and an upper door.

[0025] This invention provides an automated PRP separation and extraction device. By incorporating a robotic motion device, it achieves automated assembly and transfer of centrifuge tubes and syringes. Through the cooperation of the PRP extraction device and the PRP detection device, it can accurately and automatically extract the centrifuged PRP, avoiding positioning differences during extraction that could cause errors in syringe extraction position and affect the purity of the extracted PRP. This not only achieves fully automated PRP separation and extraction but also provides high extraction purity and high efficiency, solving the problems of low automation and long waiting time in existing technologies; visual errors in manual PRP extraction; and insufficient concentration and quality of extracted PRP. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the outer casing of the present invention;

[0027] Figure 2 This is a schematic diagram of the internal framework of the present invention;

[0028] Figure 3 This is a schematic diagram of the workbench of the present invention;

[0029] Figure 4 This is a schematic diagram of the placement and disposal device of the present invention;

[0030] Figure 5 This is a partial cross-sectional view of the placement and disposal device of the present invention;

[0031] Figure 6 This is a schematic diagram of the robot gripper device of the present invention;

[0032] Figure 7 This is a schematic diagram of the PRP extraction device of the present invention;

[0033] Figure 8 This is an exploded view of the PRP extraction device of the present invention;

[0034] Figure 9 This is a partial structural diagram of the PRP extraction device of the present invention;

[0035] Figure 10 This is a schematic diagram of the PRP detection device of the present invention;

[0036] Figure 11 This is a schematic diagram of the PRP counterweight device of the present invention;

[0037] Figure 12 This is a cross-sectional view of the waste recycling bin and its mounting base according to the present invention;

[0038] Figure 13 This is a perspective view of the waste recycling bin and its mounting base of the present invention.

[0039] In the diagram: 1. Control panel; 2. Control switch; 3. Door; 4. Electrical cabinet door; 5. Frame; 6. Electrical cabinet; 7. Centrifuge; 8. Workbench; 9. Robot motion device; 10. Placement and disposal device; 1001. Sheet metal outer shell 1; 1002. Support frame; 1003. Centrifuge tube holder 1; 1004. Centrifuge tube 1; 1005. Waste recycling bin; 1005-1. Boss; 1006. Waste recycling bin holder; 1006-1. Groove; 1007. Syringe; 1008. Syringe holder; 1009. Sterile cap; 1010. Needle slot; 11. Robot gripper device; 1101. Robot connector; 1102. Electric gripper connecting plate; 1103. Electric gripper 1; 1104. Electric gripper 2; 12. PRP extraction Device; 1201, Sheet metal outer casing II; 1202, Cable chain sheet metal; 1203, Support base; 1204, Lead screw module; 1205, Lead screw motor; 1206, Syringe piston handle fixing plate; 1207, Syringe syringe; 1208, Syringe fixing block; 1209, Syringe needle fixing block; 1210, Syringe needle; 1211, PRP layer detection module fixing block; 1212, Electric gripper III; 13, PRP detection device; 1301, Gravity sensor; 1302, Centrifuge tube II; 1303, Centrifuge tube fixing base II; 1304, Gravity sensor fixing plate; 1305, Sensor light shield; 1306, Limit sensor; 1307, Motor; 14, PRP counterweight device; 1401, Counterweight tube; 1402, Counterweight tube base. Detailed Implementation

[0040] 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 skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] This invention provides a technical solution: a device for automatically separating and extracting PRP, comprising a centrifuge 7, a PRP extraction device 12, a PRP detection device 13, a robot motion device 9, and a placement and disposal device 10;

[0042] like Figure 1 and 2 As shown, centrifuge 7 is used to centrifuge centrifuge tubes containing PRP. Centrifuge 7 is installed below the workbench 8 of frame 5. Frame 5 is equipped with electrical cabinet 6 and electrical cabinet door 4 for controlling the operation of the equipment and facilitating maintenance and operation. Frame 5 is also equipped with control panel 1, control switch 2 and upper door 3 for protection and to facilitate observation and operation.

[0043] like Figure 3 As shown, the robot motion device 9 is used to place the centrifuge tubes into the centrifuge 7 before centrifugation, then grab the counterweight tube 1401 and place it at the symmetrical workstation 1004. The centrifuge starts to accelerate centrifugation and places the centrifuge tubes into the PRP detection device 13 after centrifugation. The robot motion device 9, PRP extraction device 12, PRP detection device 13, and placement and disposal device 10 are all installed on the workbench 8. Figure 4 and 5 As shown, the workbench 8 is also equipped with a placement and disposal device 10 for the PRP counterweight device 14, centrifuge tubes 1004, syringes 1007, syringe needles 1210, and sterile caps 1009. The entire centrifugation process is automated by using a robot motion device 9 to grasp and place the centrifuge tubes 1004, syringes 1007, syringe needles 1210, and sterile caps 1009, as well as to grasp and place the counterweight tubes 1401 in the counterweight device.

[0044] The placement and disposal device 10 for centrifuge tubes 1004, syringes 1007, syringe needles 1210 and sterile caps 1009 includes a sheet metal outer shell 1001 and a support frame 1002, as well as a centrifuge tube holder 1003, a waste recycling bin holder 1006 and a syringe holder 1008 placed inside the sheet metal outer shell 1001.

[0045] Centrifuge tube 1004 is placed inside centrifuge tube holder 1003, waste collection bin 1005 is placed inside waste collection bin holder 1006, and syringe 1007 with syringe needle 1210 is placed inside syringe holder 1008. The centrifuge tube holder 1003, waste collection bin holder 1006, and syringe holder 1008 are provided to facilitate the placement and positioning of centrifuge tubes, waste collection bin 1005, and syringe 1007, making it easier for the robot's motion device 9 to grasp them.

[0046] like Figure 6 As shown, the robot motion device 9 is equipped with a robot gripper device 11, which includes a robot connector 1101, an electric gripper connecting plate 1102, an electric gripper one 1103, and an electric gripper two 1104.

[0047] Electric gripper 1103 is used to grip syringe 1007; electric gripper 2104 is L-shaped and used to grip centrifuge tubes.

[0048] The two gripping surfaces of the electric gripper 1103 are both triangular. When the gripper is closed, the two triangles form a quadrilateral, and each face of the quadrilateral is in contact with the gripped part. All four faces of the quadrilateral are in contact with the syringe 1007, which can grip the syringe 1007 more firmly.

[0049] The two gripping surfaces of the electric gripper 1104 are both triangular. When the grippers are closed, the two triangles form a quadrilateral, and each face of the quadrilateral is in contact with the gripped part. Because it is designed to fit the dimensions of the extraction device, the gripper is L-shaped. Similar to the electric gripper 1103, it is designed as a quadrilateral, which allows for a more secure grip on the centrifuge tubes.

[0050] like Figure 7-9 As shown, the PRP extraction device 12 includes a second sheet metal outer shell 1201, a drag chain sheet metal 1202, a support base 1203, a lead screw module 1204, a lead screw motor 1205, a syringe piston handle fixing plate 1206, a syringe syringe 1207, a syringe fixing block 1208, a syringe needle fixing block 1209, a syringe needle 1210, a PRP layer detection module fixing block 1211, and an electric gripper 1212.

[0051] The electric gripper 3 1212 is mounted on the lead screw module 1204. The lead screw motor 1205 is used to drive the syringe piston handle fixing plate 1206 to move. The syringe fixing block 1208 is fixedly connected to the electric gripper 3 1212. The syringe needle fixing block 1209 is fixedly connected to the syringe fixing block 1208. The syringe fixing block 1208 and the syringe needle fixing block 1209 move under the control of the electric gripper 3 1212.

[0052] The PRP extraction device 12 is used to extract PRP from the centrifuge tubes in the PRP detection device 13, and to place the syringe 1007 on the electric gripper of the PRP extraction device 12, and to put the extracted centrifuge tubes and syringe needles 1210 into the waste recycling bin 1005; the syringe 1007 serves as a storage container for PRP, and after extraction, it must be kept in the syringe holder 1008.

[0053] The PRP extraction device 12 includes an electric gripper for fixing the syringe, a first drive assembly for moving the syringe piston handle, a second drive assembly for moving the syringe 1007 as a whole, and a PRP layer detection module for detecting the relative position of the syringe needle 1210 and the PRP.

[0054] The PRP detection device 13 is equipped with a centrifuge tube holder 1303 for fixing centrifuge tubes, and a positioning module for positioning the origin of the syringe needle 1210 on the PRP extraction device.

[0055] like Figure 10 As shown, the PRP detection device 13 includes a gravity sensor 1301, a second centrifuge tube 1302, a second centrifuge tube mounting base 1303, a gravity sensor mounting plate 1304, a sensor light-blocking plate 1305, a limit sensor 1306, and a motor 1307.

[0056] The gravity sensor mounting plate 1304 is fixedly connected to the sensor light blocking plate 1305. The sensor light blocking plate 1305 is fixedly connected to the motor 1307. The motor 1307 is used to drive the sensor light blocking plate 1305 and the gravity sensor mounting plate 1304 to rotate along the motor shaft. The limit sensor 1306 is used to detect the rotation position of the sensor light blocking plate 1305.

[0057] By setting a gravity sensor 1301, the position where the tip of the syringe 1007 touches the gravity sensor 1301 is the set origin. Because there will be slight positional differences each time the robot picks up the syringe 1007 and places it in the extraction device, this difference will cause errors in the extraction position of the syringe 1007, thus affecting the purity of the extracted PRP. The syringe 1007 is directly above the axis of the centrifuge tube. When the syringe 1007 moves down and detects the origin, the syringe needle 1210 touches the gravity sensor 1301, and the gravity sensor sends a signal to determine the origin position.

[0058] like Figure 11 As shown, the PRP counterweight device 14 includes a counterweight tube 1401 and a counterweight tube base 1402. This allows the robot motion device 9 to directly grasp and place the counterweight tube 1401 on the worktable 8, providing centrifugal counterweight.

[0059] like Figure 12 and 13As shown, the waste recycling bin 1005 has a boss 1005-1 on its surface, and the waste recycling bin fixing base 1006 has a groove 1006-1 inside. The boss 1005-1 is used to insert into the groove 1006-1 and rotate to fix it. The waste recycling bin 1005 is provided with a needle holder 1010 and a sterile cap 1009. The needle holder 1010 is for the robot motion device 9 to use it to pull out the needle, and the needle automatically falls into the waste collection bin. The sterile cap 1009 is for the robot motion device 9 to cover the syringe 1007 with the sterile cap 1009 after the needle is pulled out. The boss 1005-1 and the groove 1006-1 are provided to fix the waste recycling bin 1005 with the waste recycling bin fixing base 1006, so as to prevent the robot motion device 9 from lifting the waste recycling bin 1005 when pulling the needle upward, which would prevent the needle from being pulled out smoothly.

[0060] Working process: The centrifuge tube containing blood is placed in the centrifuge tube holder 1003. The machine runs, the electric gripper 1103 moves with the robot motion device 9, the electric gripper 2 1104 grabs the centrifuge tube and places it in the centrifuge 7, and then grabs the counterweight tube 1401 and places it in a symmetrical position on the centrifuge tube. The centrifuge 7 starts to accelerate centrifugation.

[0061] After centrifugation, the second electric gripper 1104 picks up the centrifuge tube and places it in the centrifuge tube holder 1303, and picks up the counterweight tube 1401 and places it back in the counterweight tube base 1402. The first electric gripper 1103 picks up the syringe 1007 placed in the syringe holder 1008 and moves it to the syringe piston handle fixing plate 1206. The third electric gripper 1212 starts to operate, driving the syringe fixing block 1208 and the syringe needle fixing block 1209 to clamp and fix the syringe barrel 1207 and the syringe needle 1210. The motor 1307 drives the sensor light blocking plate 1305 to the limit sensor 1306. The limit sensor 1306 receives the signal, and the lead screw module 1204 starts to operate, moving the extraction module downward.

[0062] The syringe needle 1210 touches the gravity sensor, which sends a signal to determine the origin position. Then, the motor 1307 drives the gravity sensor 1301 to rotate a certain angle to make room.

[0063] The syringe needle 1210 pierces the silicone cap on the centrifuge tube and enters the tube. The PRP layer detection module locates the PRP from top to bottom through the gap in the middle of the centrifuge tube holder 1303. The lead screw motor 1205 starts moving, and the syringe piston handle fixing plate 1206 drives the syringe piston handle to move upward. After a certain amount of PRP is drawn, the syringe piston handle fixing plate 1206 drives the syringe piston handle to move upward. Upon reaching the designated location, the electric gripper 1212 operates, and the syringe fixing block 1208 and the syringe needle fixing block 1209 are released, ending the extraction process.

[0064] The electric gripper picks up the syringe barrel 1207 and moves it to the placement and disposal device 10 for the centrifuge tube 1004, syringe 1007, syringe needle 1210 and sterile cap 1009. It places the needle of the syringe barrel 1207 in the needle slot 1010, moves it upward to remove the needle, then moves it above the sterile cap 1009, covers the sterile cap 1009, and finally moves it into the syringe holder 1008.

[0065] The electric gripper 1104 removes the centrifuge tubes from the centrifuge tube holder 1303 after the PRP has been extracted and places them into the waste recycling bin 1005.

[0066] The waste recycling bin 1005 has a protrusion 1005-1 on its surface and a groove 1006 inside the waste recycling bin fixing seat 1006. When the waste recycling bin 1005 is placed in the waste recycling bin fixing seat 1006 and rotated, the protrusion 1005-1 will fit into the groove 1006-1 and be fixed.

[0067] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An apparatus for automatic separation of PRP extraction, characterized by: The centrifuge (7), the PRP extraction device (12), the PRP detection device (13), the robot motion device (9) and the placement and waste device (10) are included. The centrifuge (7) is used for centrifuging the centrifugal tube containing PRP, and the robot motion device (9) is used for placing the centrifugal tube before centrifugation into the centrifuge (7) and placing the centrifugal tube after centrifugation into the PRP detection device (13); The PRP extraction device (12) is used for extracting PRP of the centrifugal tube in the PRP detection device (13), placing the syringe (1007) on the electric clamp jaw of the PRP extraction device (12), and placing the extracted centrifugal tube and the syringe needle (1210) into the waste recovery barrel (1005); The PRP extraction device (12) includes an electric clamp jaw for fixing a needle cylinder, a first drive assembly for driving the movement of a syringe piston handle, a second drive assembly for driving the overall movement of the syringe (1007), and a PRP layer detection module for detecting the relative position of the syringe needle (1210) and PRP; The PRP detection device (13) is provided with a centrifugal tube fixing seat two (1303) for fixing the centrifugal tube, and a positioning module for detecting the origin of the syringe needle (1210) on the PRP extraction device (12); The PRP detection device (13) includes a gravity sensor (1301), a centrifugal tube two (1302), a gravity sensor fixing plate (1304), a sensor light shield (1305), a limit sensor (1306), and a motor (1307); The gravity sensor fixing plate (1304) and the sensor light shield (1305) are fixedly connected, the sensor light shield (1305) and the motor (1307) are fixedly connected, the motor (1307) is used for driving the rotation of the sensor light shield (1305) and the gravity sensor fixing plate (1304) along the motor shaft, and the limit sensor (1306) is used for detecting the rotation position of the sensor light shield (1305); The needle clamping groove (1010) and the sterile cap (1009) are arranged on the waste recovery barrel (1005), and the gravity sensor (1301) is arranged, so that when the needle tip of the syringe (1007) touches the position of the gravity sensor (1301), the origin is set.

2. The apparatus for automatic separation of PRP according to claim 1, wherein: The PRP extraction device (12) includes an outer shell metal cover two (1201), a drag chain metal (1202), a support seat (1203), a lead screw module (1204), a lead screw motor (1205), a syringe piston handle fixing plate (1206), a syringe needle cylinder (1207), a syringe fixing block (1208), a syringe needle fixing block (1209), a syringe needle (1210), a PRP layer detection module fixing block (1211), and an electric clamp jaw three (1212); The electric claw three (1212) is arranged on the lead screw module (1204), the lead screw motor (1205) is used for driving the injector piston handle fixing plate (1206) to move, the injector fixing block (1208) is fixedly connected with the electric claw three (1212), the injector needle fixing block (1209) is fixedly connected on the injector fixing block (1208), and the injector fixing block (1208) and the injector needle fixing block (1209) move along with the control of the electric claw three (1212).

3. The apparatus for automatic separation of PRP according to claim 1, wherein: The robot movement device (9), the PRP extraction device (12), the PRP detection device (13) and the placement and waste device (10) are all installed on the workbench (8), and the workbench (8) is also provided with a PRP counterweight device (14), a centrifugal tube (1004), an injector (1007), an injector needle (1210) and a sterile cap (1009) placement and waste device (10).

4. The apparatus for automatic separation of PRP according to claim 3, wherein: The centrifugal tube (1004), the injector (1007), the injector needle (1210) and the sterile cap (1009) placement and waste device (10) comprises an outer shell metal cover (1001) and a support frame (1002), and a centrifugal tube fixing seat (1003) placed in the outer shell metal cover (1001), a waste recovery barrel fixing seat (1006) and an injector fixing seat (1008). The centrifugal tube (1004) is placed in the centrifugal tube fixing seat (1003), the waste recovery barrel (1005) is placed in the waste recovery barrel fixing seat (1006), and the injector (1007) with the injector needle (1210) is placed in the injector fixing seat (1008).

5. The apparatus for automatic separation of PRP according to claim 3, wherein: The PRP counterweight device (14) comprises a counterweight tube (1401) and a counterweight tube base (1402).

6. The apparatus for automatic separation of PRP according to claim 1, wherein: The robot movement device (9) is provided with a robot claw device (11), and the robot claw device (11) comprises a robot connecting piece (1101), an electric claw connecting plate (1102), an electric claw one (1103) and an electric claw two (1104). The electric claw one (1103) is used for clamping the injector (1007), and the electric claw two (1104) is L-shaped and used for clamping the centrifugal tube. The two clamping surfaces of the electric claw one (1103) are both triangular, two triangles form a quadrilateral when the claw is closed, and each surface of the quadrilateral is in close contact with the clamped part. The two clamping surfaces of the electric claw two (1104) are both triangular, two triangles form a quadrilateral when the claw is closed, and each surface of the quadrilateral is in close contact with the clamped part.

7. The apparatus for automatic separation of PRP according to claim 4, wherein: The waste recovery barrel (1005) is provided with a boss (1005-1) on the surface, the waste recovery barrel fixing seat (1006) is provided with a groove (1006-1) in the inside, and the boss (1005-1) is used for being inserted into the groove (1006-1) and being rotationally fixed.

8. The apparatus for automatic separation of PRP according to claim 1, wherein: The centrifuge (7) is installed below the workbench (8) of the frame (5), the frame (5) is provided with an electric cabinet (6) and an electric cabinet door (4), and the frame (5) is further provided with a control screen (1), a control switch (2) and an upper door (3).

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