Plasma bag residual liquid recovery device and plasma bag residual liquid recovery method

Abstract

The present invention discloses a plasma bag residual liquid recovery device, comprising a frame body, a buffer liner, a collecting bucket, a centrifugal cage, a clamp and a driving mechanism, wherein the buffer liner is installed inside the frame body, and a collecting bucket connected to the inside of the buffer liner is arranged at the bottom, the centrifugal cage is assembled inside the buffer liner through the circumferential rotation of the rotating shaft, the centrifugal cage is evenly arranged along the circumferential direction and detachably connected with a plurality of clamps, the driving mechanism is located below the buffer liner, and the driving mechanism is connected to the part of the rotating shaft extending out of the bottom of the buffer liner. The broken plasma bag is placed on the clamp, and under the action of the driving mechanism, the centrifugal cage drives the plasma bag in the clamp to perform centrifugal motion at a suitable speed, thereby separating the raw plasma in the plasma bag, and the clamp is detachably designed to ensure the recycling of the clamp, and the cleaning and replacement of the clamp are convenient.

Description

Technical Field

[0001] The invention relates to the technical field of plasma collection, in particular to a plasma bag residual liquid recovery device and a plasma bag residual liquid recovery method. Background Art

[0002] After a blood product company uses automated equipment to break open a plasma bag and release the plasma, there is still a lot of raw plasma left in the bag. If the plasma bag is directly sent to the next processing step at this time, the raw plasma remaining in the plasma bag will be wasted.

[0003] At present, many blood product companies use manual cleaning, filtering, purification and other processes to extract the plasma remaining in the bags. Some blood product companies directly discard the bags with residual plasma. Summary of the invention

[0004] In view of the above problems, the present invention provides a plasma bag residual liquid (referring to the raw plasma remaining in the plasma bag) recovery device and a plasma bag residual liquid recovery method, which are convenient for recovering the raw plasma in the plasma bag, saving the raw plasma cost and reducing the waste of resources.

[0005] The technical solution of the present invention is: a plasma bag residual liquid recovery device, including a frame body, a buffer liner, a collecting bucket, a centrifugal cage, a clamp and a driving mechanism, the buffer liner is installed inside the frame body, and a collecting bucket connected to the inside of the buffer liner is arranged at the bottom, the centrifugal cage is assembled inside the buffer liner through circumferential rotation of the shaft, the centrifugal cage is evenly arranged in the circumferential direction and has a plurality of clamps detachably connected, the driving mechanism is located below the buffer liner, and the driving mechanism is connected to the part of the shaft extending out of the bottom of the buffer liner.

[0006] The working principle of the above technical solution is as follows:

[0007] The broken plasma bag is placed on the clamp, and under the action of the driving mechanism, the centrifugal cage drives the plasma bag in the clamp to perform centrifugal motion at an appropriate speed (based on not destroying the molecular structure of the plasma), thereby separating the raw plasma in the plasma bag. In addition, the detachable design of the clamp and the centrifugal cage ensures the recycling of the clamp and facilitates the cleaning and replacement of the clamp.

[0008] The locking plate has two ends, the ends of which are fixedly secured to the bottom of the support frame, and the ends of which are secured on a fixed position with respect to the top of the support frame, and the ends of which are secured on a fixed position with respect to the top of the support frame. The end is hinged on the top of the fixed limiting part, and a clamping space for clamping the plasma bag is formed between the movable clamping block and the fixed clamping block; the insertion rod is inserted into the insertion hole, and the end surface of the abutment plate close to the fixed clamping block corresponds to the end surface of the fixed limiting part, and a clamping structure is provided between the lower surface of the clamping plate and the top surface of the movable clamping block and is clamped to each other; the upper connecting block is arranged directly above the lower connecting block and is parallel to each other, the fixed end of the upper connecting block is connected to the movable clamping block, and two second clamping notches are symmetrically provided on both side edges of the free end of the upper connecting block; a plurality of clamping grooves are evenly provided in the circumferential direction of the centrifugal cage, the lower connecting block is clamped to the clamping groove through the first clamping notch, and the upper connecting block of the same clamper is clamped to the same clamping groove through the second clamping notch. Through the coordinated design of the fixed clamp block, the placement plate, the lower connecting block, the limit assembly, the movable clamp block and the upper connecting block, and used in conjunction with the centrifugal cage, firstly, it is ensured that the plasma bag is stably clamped and detachably connected to the centrifugal cage, so that the raw plasma in the plasma bag can be collected under centrifugation; secondly, a plurality of clamps can be detachably connected to each slot of the centrifugal cage, thereby corresponding to different types of plasma bags and realizing classified clamping; thirdly, the clamping method in the vertical direction (upper and lower structures) is adopted, and the placement process of the plasma bag into the clamp is smoother and simpler.

[0009] In a further technical solution, the placement plate includes a placement base plate and a baffle installed on one side of the upper surface of the placement base plate, the placement base plate is fixedly connected to one end surface of the fixed base plate, and the end surface of the baffle plate close to the fixed clamping block is fixedly connected to the corresponding side surface of the support plate, so as to prevent the plasma bag from deviating along the circumferential direction of the centrifugal cage during the centrifugal rotation, thereby causing the plasma bags stacked and clamped together to be misaligned or torn.

[0010] In a further technical solution, a first buffer block is disposed on the upper surface of the fixed clamp block, and a second buffer block matching the first buffer block is disposed on the lower surface of the movable clamp block, so that the clamping position of the plasma bag clamped between the fixed clamp block and the movable clamp block is soft contact, thereby preventing the plasma bag from being torn during the centrifugal rotation process.

[0011] In a further technical solution, a support bar is provided on the upper surface of the movable clamp block, the fixed end of the upper connecting block is detachably connected to the support bar on the upper surface of the movable clamp block, and the upper surface of the upper connecting block is higher than the upper surface of the support plate of the fixed clamp block. Through the design of the support bar, it is ensured that multiple clamps placed in the same card slot (referring to the lower connecting block of any clamp and the upper connecting block of another adjacent clamp) will not interfere with each other.

[0012] In a further technical solution, a through weight-reducing hole is opened on the upper surface of the fixed base plate to reduce the weight of the fixed base plate.

[0013] In a further technical solution, the driving mechanism includes a driving motor, a reversing mechanism, a transmission shaft and a coupling, wherein the driving motor is fixedly connected to the portion of the frame body located below the buffer liner, the driving motor is hinged to the bottom end of the transmission shaft through the reversing mechanism, and the top end of the transmission shaft is hinged to the portion of the rotating shaft extending out of the bottom of the buffer liner through the coupling, thereby providing a suitable speed for the centrifugal cage (referring to a speed that does not destroy the molecular structure of the plasma), driving the plasma bag in the clamp to perform centrifugal motion.

[0014] In order to solve the above technical problems, a method for recovering residual liquid in a plasma bag comprises the following steps: stacking the plasma bags to be processed vertically together and placing them on a placement plane formed by a fixed clamp block, a placement plate and a lower connecting block; flipping the movable clamp block so that the plasma bag to be processed is located in the clamping space between the movable clamp block and the fixed clamp block, and fixedly clamping it; connecting all clamps that clamp the plasma bags to be processed to a corresponding slot of a centrifugal cage; driving a driving motor to drive the centrifugal cage to rotate through a transmission shaft to generate centrifugal force, so that the plasma in the plasma bag to be processed is thrown into a buffer liner, and the plasma obtained in the buffer liner is introduced into a collection bucket for collection through a guide tube.

[0015] The beneficial effects of the present invention are:

[0016] 1. By placing the broken plasma bag on the clamp, the centrifugal cage drives the plasma bag in the clamp to perform centrifugal motion at a suitable speed (without destroying the molecular structure of the plasma) under the action of the driving mechanism, so as to separate the raw plasma in the plasma bag. In addition, the detachable design of the clamp and the centrifugal cage ensures the recycling of the clamp and facilitates the cleaning and replacement of the clamp.

[0017] Through the coordinated design of the fixed clamp block, the placement plate, the lower connecting block, the limit assembly, the movable clamp block and the upper connecting block, and used in conjunction with the centrifugal cage, firstly, it is ensured that the plasma bag is stably clamped and detachably connected to the centrifugal cage, so that the raw plasma in the plasma bag can be collected under centrifugation; secondly, a plurality of clamps can be detachably connected to each slot of the centrifugal cage, thereby corresponding to different types of plasma bags and realizing classified clamping; thirdly, the clamping method in the vertical direction (upper and lower structures) is adopted, and the placement process of the plasma bag into the clamp is smoother and simpler.

[0018] 2. The placement plate includes a placement base plate and a baffle installed on one side of the upper surface of the placement base plate, the placement base plate is fixedly connected to one end face of the fixed base plate, and the end face of the baffle plate close to the fixed clamping block is fixedly connected to the corresponding side face of the support plate, so as to resist the displacement of the plasma bag along the circumferential direction of the centrifugal cage during the centrifugal rotation, thereby causing the plasma bags stacked and clamped together to be misaligned or torn.

[0019] 3. A first buffer block is provided on the upper surface of the fixed clamp block, and a second buffer block matching the first buffer block is provided on the lower surface of the movable clamp block, so that the clamping position of the plasma bag clamped between the fixed clamp block and the movable clamp block is in soft contact, thereby avoiding the plasma bag from being torn during centrifugal rotation.

[0020] 4. Through the design of the support bar, it is ensured that multiple clamps placed in the same card slot (referring to the lower connecting block of any clamp and the upper connecting block of another adjacent clamp) will not interfere with each other.

[0021] 5. The weight of the fixed base plate is reduced by opening a through weight-reducing hole on the upper surface of the fixed base plate.

[0022] 6. Through the design of the driving mechanism, the centrifugal cage is provided with a suitable rotation speed (based on not destroying the molecular structure of the plasma), driving the plasma bag in the holder to perform centrifugal motion. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is an overall schematic diagram of the plasma bag residual liquid recovery device described in Example 1 of the present invention;

[0024] Figure 2 It is an assembly diagram of the collecting bucket, the buffer liner, the centrifugal cage, the clamp and the driving mechanism described in Example 1 of the present invention;

[0025] Figure 3 is an assembly diagram of the centrifugal cage and the clamp described in Example 1 of the present invention;

[0026] Figure 4 is a schematic structural diagram of the clamp in a clamping state according to Embodiment 1 of the present invention;

[0027] Figure 5 is a schematic structural diagram of the clamp in the expanded state according to Embodiment 1 of the present invention;

[0028] Figure 6 is a schematic diagram of the clamp of Example 1 of the present invention clamping a plasma bag;

[0029] Figure 7 is a schematic structural diagram of the centrifugal cage described in Example 1 of the present invention;

[0030] Figure 8 is an assembly diagram of the collection bucket and the buffer liner described in Example 1 of the present invention;

[0031] Fig. 9 is an assembly diagram of the driving mechanism, the centrifugal cage and the clamp described in Example 1 of the present invention;

[0032] Fig.10 It is a top view of the cooperation of the centrifuge cage, the clamp and the plasma bag described in Example 1 of the present invention.

[0033] Description of reference numerals:

[0034] 10—main body of the rack; 101—safety door; 102—human-machine interaction interface;

[0035] 20—collection bucket;

[0036] 30—buffer liner; 301—flow guide tube;

[0037] 40—centrifugal cage; 401—rotating shaft; 402—centrifugal rack; 403—card slot;

[0038] 50—clamp; 501—fixed clamping block; 5011—fixed bottom plate; 5012—support plate; 502—placement plate; 5021—placement bottom plate; 5022—blocking plate; 503—lower connecting block; 504—movable clamping block; 505—fixed limiting portion; 506—movable limiting portion; 5061—retaining plate; 5062—clamping plate; 5063—insertion hole; 5064—insertion rod; 507—upper connecting block; 508—support bar; 509—first buffer block; 510—second buffer block;

[0039] 60—driving mechanism; 601—driving motor; 602—reversing mechanism; 603—transmission shaft; 604—coupling;

[0040] 70—Blood bag. DETAILED DESCRIPTION

[0041] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0042] Embodiment 1:

[0043] like Figures 1 to 10 As shown, a plasma bag residual liquid recovery device includes a frame body 10, a collecting bucket 20, a buffer liner 30, a centrifugal cage 40, a clamp 50 and a driving mechanism 60. The frame body 10 is provided with a buffer liner 30, and the bottom is provided with a collecting bucket 20 connected to the inside of the buffer liner 30 (the buffer liner 30 and the collecting bucket 20 are connected through a guide tube 301). The centrifugal cage 40 is rotatably assembled inside the buffer liner 30 through a rotating shaft 401. The centrifugal cage 40 is evenly arranged in the circumferential direction and is detachably connected with a plurality of clamps 50. The driving mechanism 60 is located below the buffer liner 30, and the driving mechanism 60 is connected to the portion of the rotating shaft 401 extending out of the bottom of the buffer liner 30. A safety door 101 is provided at the top of the frame body 10, a human-machine interface 102 is provided on one side of the frame body 10, and a placement slot for placing the collecting bucket 20 is provided at the bottom. The centrifugal cage 40 includes a rotating shaft 401 , a centrifugal frame 402 and a clamping slot 403 . The centrifugal frame 402 is sleeved outside the rotating shaft 401 . A plurality of clamping slots 403 arranged along the circumferential direction of the rotating shaft 401 are provided on the centrifugal frame 402 .

[0044] The working principle of the above technical solution is as follows:

[0045] The broken plasma bag 70 is placed on the clamp 50. Under the action of the driving mechanism 60, the centrifugal cage 40 drives the plasma bag 70 in the clamp 50 to perform centrifugal motion at an appropriate speed (i.e., without destroying the molecular structure of the plasma), thereby separating the raw plasma in the plasma bag 70. In addition, the detachable design of the clamp 50 and the centrifugal cage 40 ensures the recycling of the clamp 50 and facilitates the cleaning and replacement of the clamp.

[0046] In another embodiment, if Figure 2-Figure 7 as well as Fig. 9 and Fig.10As shown, the clamp 50 includes a fixed clamp block 501, a placement plate 502, a lower connecting block 503, a limiting assembly, a movable clamp block 504 and an upper connecting block 507, wherein the fixed clamp block 501 includes a fixed base plate 5011 and a support plate 5012 installed on one side of the upper surface of the fixed base plate 5011; the placement plate 502 is fixedly connected to one end surface of the fixed base plate 5011; the fixed end of the lower connecting block 503 is fixedly connected to the other end surface of the fixed base plate 5011, and two first clamping notches are symmetrically provided on both sides of the free end; the limiting assembly includes a fixed limiting portion 505 and a movable limiting portion 506 The fixed limiting portion 505 is fixedly connected to the top of the support plate 5012, and the fixed limiting portion 505 is provided with a socket 5063 along the thickness direction of the support plate 5012; the movable limiting portion 506 includes a plate 5061 and a clamping plate 5062 fixedly connected to the top of the plate 5061, and an insertion rod 5064 matching the socket 5063 is installed on the end surface of the plate 5061 close to the fixed clamping block 501; one end of the movable clamping block 504 is hinged to the top of the fixed limiting portion 505, and a clamping force for clamping the plasma bag 70 is formed between the movable clamping block 504 and the fixed clamping block 501. Clamping space; the insertion rod 5064 is inserted into the insertion hole 5063, and the end surface of the abutment plate 5061 close to the fixed clamp block 501 corresponds to the end surface of the fixed limit portion 505, and a clamping structure is provided between the lower surface of the clamping plate 5062 and the top surface of the movable clamp block 504 (the clamping structure refers to the protrusion on the lower surface of the clamping plate 5062 and the groove on the top surface of the movable clamp block 504 that matches the protrusion) and they are clamped to each other (through the cooperation of the insertion hole 5063 and the insertion rod 5064, and the cooperation of the protrusion on the lower surface of the clamping plate 5062 and the groove on the top surface of the movable clamp block 504. When However, other existing mature methods can also be used for clamping); the upper connecting block 507 is arranged directly above the lower connecting block 503 and is parallel to each other. The fixed end of the upper connecting block 507 is connected to the movable clamping block 504, and two side edges of the free end of the upper connecting block 507 are symmetrically provided with two second clamping notches; a plurality of clamping grooves 403 are evenly provided in the circumferential direction of the centrifugal cage 40, and the lower connecting block 503 is clamped on the clamping groove 403 through the first clamping notch, and the upper connecting block 507 of the same clamper 50 is clamped on the same clamping groove 403 through the second clamping notch.Through the coordinated design of the fixed clamp block 501, the placement plate 502, the lower connecting block 503, the limiting assembly, the movable clamp block 504 and the upper connecting block 507, and the use in conjunction with the centrifugal cage 40, firstly, the plasma bag 70 is stably clamped and detachably connected to the centrifugal cage 40, so as to realize the collection of raw plasma in the plasma bag 70 under centrifugation; secondly, multiple clamps 50 can be detachably connected to each slot 403 of the centrifugal cage 40, so as to correspond to different types of plasma bags 70 and realize classified clamping; thirdly, the vertical direction (upper and lower structure) clamping method is adopted, and the process of placing the plasma bag 70 into the clamp 50 is smoother and simpler. Among them, the fixed bottom plate 5011 and the support plate 5012 are manufactured in an integral molding manner and are in an "L" shape; the abutment plate 5061 and the clamping plate 5062 are manufactured in an integral molding manner and are in a "Γ" shape.

[0047] In another embodiment, if Figure 2-Figure 7 as well as Figure 9-10 As shown, the placement plate 502 includes a placement base plate 5021 and a baffle plate 5022 installed on one side of the upper surface of the placement base plate 5021. The placement base plate 5021 is fixedly connected to one end face of the fixed base plate 5011, and the end face of the baffle plate 5022 close to the fixed clamp block 501 is fixedly connected to the corresponding side face of the support plate 5012. In order to resist the displacement of the plasma bag 70 along the circumferential direction of the centrifugal cage 40 during the centrifugal rotation, thereby causing the plasma bags 70 stacked and clamped together to be misaligned or torn. The placement base plate 5021 and the baffle plate 5022 are manufactured in an integrated manner and are in an "L" shape.

[0048] In another embodiment, if Figure 2-Figure 6 as well as Fig. 9 and Fig.10 As shown, the upper surface of the fixed clamp block 501 is provided with a first buffer block 509, and the lower surface of the movable clamp block 504 is provided with a second buffer block 510 matched with the first buffer block 509. The clamping position of the plasma bag 70 clamped between the fixed clamp block 501 and the movable clamp block 504 is made to be in soft contact, so as to avoid the plasma bag 70 being torn during the centrifugal rotation process.

[0049] In another embodiment, if Figure 2-Figure 6 as well as Fig. 9 and Fig.10As shown, a support bar 508 is provided on the upper surface of the movable clamp block 504, and the fixed end of the upper connecting block 507 is detachably connected to the support bar 508 on the upper surface of the movable clamp block 504, and the upper surface of the upper connecting block 507 is higher than the upper surface of the supporting plate 5012 of the fixed clamp block 501. Through the design of the support bar 508, it is ensured that multiple clamps 50 placed in the same card slot 403 (referring to the lower connecting block 503 of any clamp 50 and the upper connecting block 507 of another adjacent clamp 50) will not interfere with each other.

[0050] In another embodiment, if Figure 3-Figure 5 As shown, the upper surface of the fixed bottom plate 5011 is provided with through weight-reducing holes to reduce the weight of the fixed bottom plate 5011.

[0051] In another embodiment, if Figure 7-Figure 9 As shown, the driving mechanism 60 includes a driving motor 601, a reversing mechanism 602, a transmission shaft 603 and a coupling 604. The driving motor 601 is fixedly connected to the part of the frame body 10 located below the buffer liner 30. The driving motor 601 is hinged to the bottom end of the transmission shaft 603 through the reversing mechanism 602. The top end of the transmission shaft 603 is hinged to the part of the bottom of the rotating shaft 401 extending out of the buffer liner 30 through the coupling 604 (the position where the rotating shaft 401 extends out of the bottom of the buffer liner 30 adopts the existing mature technology for rotation sealing treatment). Thereby providing a suitable speed for the centrifugal cage 40 (referring to not destroying the molecular structure of the plasma), driving the plasma bag 70 in the clamp 50 to perform centrifugal motion. Among them, the reversing mechanism 602 can be a gear box, and the transmission direction is changed by multiple meshing gears in the existing mature gear box. In addition, the driving mechanism may also be composed of a driving motor and a coupling 604 . The driving motor is arranged vertically, and the output end located at the top of the driving motor is directly connected to the part of the rotating shaft 401 extending out of the bottom of the buffer liner 30 through the coupling 604 .

[0052] Embodiment 2:

[0053] In order to solve the technical problem in the above-mentioned embodiment 1, a method for recovering residual liquid in a plasma bag is provided, comprising the following steps: stacking the plasma bags to be processed vertically together and placing them on a placement plane formed by a fixed clamp block, a placement plate and a lower connecting block; turning over the movable clamp block so that the plasma bag to be processed is located in the clamping space between the movable clamp block and the fixed clamp block, and fixedly clamping it; connecting all clamps holding the plasma bag to be processed to a corresponding slot of a centrifugal cage; driving the driving motor to drive the centrifugal cage to rotate through the transmission shaft to generate centrifugal force, so that the plasma in the plasma bag to be processed is thrown into the buffer liner, and the plasma obtained in the buffer liner is introduced into the collection bucket for collection through the guide tube.

[0054] The above-mentioned embodiments only express the specific implementation of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A plasma bag residual liquid recovery device, characterized in that: The centrifugal cage comprises a frame body, a buffer liner, a collecting bucket, a centrifugal cage, a clamp and a driving mechanism, wherein the buffer liner is installed inside the frame body, and the collecting bucket connected to the inside of the buffer liner is arranged at the bottom, the centrifugal cage is assembled inside the buffer liner by circumferential rotation of the rotating shaft, the centrifugal cage is evenly arranged along the circumferential direction and is detachably connected with a plurality of clamps, the driving mechanism is located below the buffer liner, and the driving mechanism is connected to the portion of the rotating shaft extending out of the bottom of the buffer liner; The cam is secured to the upper and lower surfaces of the support frame and is adapted to engage the support frame of the support frame when the support frame is in a position to engage. The top of the fixed limiting part, a clamping space for clamping the plasma bag is formed between the movable clamping block and the fixed clamping block; the insertion rod is inserted into the insertion hole, and the end surface of the abutment plate close to the fixed clamping block corresponds to the end surface of the fixed limiting part, and a clamping structure is provided between the lower surface of the clamping plate and the top surface of the movable clamping block and is clamped with each other; the upper connecting block is arranged directly above the lower connecting block and is parallel to each other, the fixed end of the upper connecting block is connected to the movable clamping block, and two second clamping notches are symmetrically provided on both sides of the free end of the upper connecting block; a plurality of clamping grooves are evenly provided in the circumferential direction of the centrifugal cage, the lower connecting block is clamped on the clamping groove through the first clamping notch, and the upper connecting block of the same clamper is clamped on the same clamping groove through the second clamping notch; The placement plate includes a placement base plate and a baffle installed on one side of the upper surface of the placement base plate, the placement base plate is fixedly connected to one end surface of the fixed base plate, and the end surface of the baffle plate close to the fixed clamping block is fixedly connected to the corresponding side surface of the support plate; A first buffer block is disposed on the upper surface of the fixed clamp block, and a second buffer block matching the first buffer block is disposed on the lower surface of the movable clamp block; The upper surface of the movable clamp block is provided with a support strip, the fixed end of the upper connecting block is detachably connected to the support strip on the upper surface of the movable clamp block, and the upper surface of the upper connecting block is higher than the upper surface of the support plate of the fixed clamp block; The upper surface of the fixed bottom plate is provided with a through weight-reducing hole.

2. The plasma bag residual liquid recovery device according to claim 1, characterized in that: The driving mechanism includes a driving motor, a reversing mechanism, a transmission shaft and a coupling. The driving motor is fixedly connected to the portion of the frame body located below the buffer inner tank. The driving motor is hinged to the bottom end of the transmission shaft through the reversing mechanism. The top end of the transmission shaft is hinged to the portion of the rotating shaft extending out of the bottom of the buffer inner tank through a coupling.

3. A method for recovering residual liquid in a plasma bag using the plasma bag residual liquid recovery device according to claim 2, characterized in that: The following steps are involved: The plasma bags to be processed are stacked vertically and placed on a placement plane formed by the fixing clamp block, the placement plate and the lower connecting block; Flip the movable clamp block so that the plasma bag to be processed is located in the clamping space between the movable clamp block and the fixed clamp block, and is fixedly clamped; all clamps holding the plasma bag to be processed are clamped to a corresponding slot of the centrifugal cage; drive the driving motor to drive the centrifugal cage to rotate through the transmission shaft to generate centrifugal force, so that the plasma in the plasma bag to be processed is thrown into the buffer liner, and the plasma obtained in the buffer liner is introduced into the collection bucket for collection through the guide tube.

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