CN112619907A - Device for automatically separating and extracting PRP - Google Patents
Device for automatically separating and extracting PRP Download PDFInfo
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- CN112619907A CN112619907A CN202011375261.3A CN202011375261A CN112619907A CN 112619907 A CN112619907 A CN 112619907A CN 202011375261 A CN202011375261 A CN 202011375261A CN 112619907 A CN112619907 A CN 112619907A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
- B04B5/0414—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes
- B04B5/0421—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes pivotably mounted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/04—Periodical feeding or discharging; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0442—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
- B04B9/04—Direct drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/14—Balancing rotary bowls ; Schrappers
- B04B9/146—Unbalance detection devices
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- Centrifugal Separators (AREA)
Abstract
The invention provides a device for automatically separating and extracting PRP (platelet Rich plasma), which comprises a workbench, wherein a blood collection tube placing and gravity sensing device, a counterweight water injection device, a centrifugal driving device, a mechanical extraction device and an injector and needle head separation and recovery device are sequentially arranged on the workbench according to working procedures; a first sliding rail, a second sliding rail, a first sliding rod and a second sliding rod are respectively arranged on two sides of the workbench, and the first sliding rod and the second sliding rod both span the workbench and are arranged with the first sliding rail and the second sliding rail; the device mainly comprises a main body, a separating device, a PRP automatic interval detection device, a PRP automatic extraction device, a four-coordinate transmission device, an injector and needle head automatic assembly device, an injector and needle head separating and automatic capping device, a finished product storage device, a separating tube counterweight device, an induction device and the like.
Description
Technical Field
The invention relates to the technical field of blood separation devices, in particular to a device for automatically separating and extracting PRP.
Background
Since the mid-nineties of the last century, PRP is widely used in various surgical, cardiac and plastic surgeries, and is also currently widely used in medical cosmetics. However, how to conveniently and rapidly extract high-concentration and high-quality PRP from blood is the key to the PRP operation. At present, PRP is well clinically applied to medical operation treatment, osteopathy treatment and the like, and has good treatment effect on disease prevention and rehabilitation of patients. Can be widely applied to medical and cosmetic treatment.
After centrifugation, the blood can be separated into three layers of serum, Platelet Rich Plasma (PRP) and red blood cells, wherein the PRP obtained after separation has no any infection risk and anaphylactic reaction, and meanwhile, the PRP can quickly stop bleeding, relieve pain, accelerate wound healing and greatly reduce the formation of postoperative scars.
The following problems exist at the present stage: the concentration and quality of the extracted PRP can not meet the requirements; the automation degree is low, and the waiting time is long; manually extracting PRP with visual errors; the extraction process needs manual operation; the existing method is to realize one-cavity four-tube analysis, only 2 tubes of blood with 20ml can be analyzed at each time, and the separation needs to be carried out for a plurality of times when the volume is relatively small.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device for automatically separating and extracting PRP, which realizes mechanical automation operation and has high precision.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a device for automatically separating and extracting PRP (platelet Rich plasma), which comprises a workbench, wherein a blood collection tube placing and gravity sensing device, a counterweight water injection device, a centrifugal driving device, a mechanical extraction device and an injector and needle head separation and recovery device are sequentially arranged on the workbench according to working procedures;
a first sliding rail, a second sliding rail, a first sliding rod and a second sliding rod are respectively arranged on two sides of the workbench, and the first sliding rod and the second sliding rod both span the workbench and are arranged with the first sliding rail and the second sliding rail;
a third slide rail is mounted on one side of the first slide bar, a fourth slide rail is mounted on one side of the second slide bar, a first mechanical arm is mounted on the third slide rail, and a second mechanical arm is mounted on the fourth slide rail;
the heparin tube is placed and gravity induction system is including storing the box, it divide into first memory area and second memory area to store the box, blood centrifuging tube is placed to first memory area, empty centrifuging tube is placed to the second memory area, gravity sensor is installed to the bottom in first memory area.
Further, counter weight water injection device includes the flood peak, the bottom intercommunication of flood peak has the separation test tube, the separation test tube is installed on last water test tube supporting seat, load cell is installed to the bottom of last water test tube supporting seat, the flood peak is installed in the backup pad, the backup pad is installed mutually with slip table cylinder and two pole cylinders, two pole cylinders are installed on cylinder support frame.
Further, first manipulator through the third slide rail along the length direction reciprocating motion of first slide rail, work as first manipulator removes when the heparin tube is placed and gravity induction system, first manipulator presss from both sides and gets empty centrifuging tube to will through the third slide rail empty centrifuging tube transports the below of flood peak, the water injection, until the weight of centrifuging tube with the weight of blood centrifuging tube is the same.
Furthermore, a circular hole is formed in the middle of the workbench, and the centrifugal driving device is installed in the circular hole;
centrifugal drive device includes brushless motor, brushless motor's one end is connected with the rigid coupling, brushless motor's the other end is installed on mounting plate, the rigid coupling with brushless motor phase-separated one end passes through the rotation axis and links to each other with the separation frame, the separation frame install the separation container area in district that a plurality of symmetries set up all around, the opto-coupler is installed to one side of rotation axis.
Further, syringe and syringe needle assembly device includes the device dish, the middle part of device dish is equipped with a plurality of syringe device districts, be equipped with a plurality of syringe needle districts around the device dish, syringe device district embeds there is the syringe, syringe needle district embeds there is the syringe needle, first motor is installed to the bottom of device dish, first motor can drive the device dish rotates.
Further, the injector device area includes a plurality of injector sleeves mounted in a middle portion of the device tray, the injector being insertable into the injector sleeves; the injection needle area comprises a hollow optical axis, the hollow optical axis is installed on the device disc, a compression spring is sleeved outside the hollow optical axis, and the injection needle can be inserted into the hollow optical axis.
Further, the mechanical extraction device comprises a rear mounting plate, a sliding block is mounted on the rear mounting plate, a first ball screw is mounted at the bottom of the rear mounting plate, an injection pump extraction device is mounted at the front end of the rear mounting plate, and the injection pump extraction device is connected with the sliding block; the first stepping motor rotates to drive the first ball screw to rotate, so that the sliding block is driven to reciprocate along the vertical direction, and the injection pump pumping device is driven to reciprocate along the vertical direction.
Further, the injection pump extraction device comprises an injection bottom plate, a second ball screw is mounted on the injection bottom plate, a second driving block is mounted on the second ball screw, a second stepping motor is mounted at the top end of the second ball screw, a pneumatic finger clamp is mounted on one side of the bottom of the injection bottom plate, and the opening and closing of the pneumatic finger clamp are controlled by a finger clamp cylinder;
the second stepping motor drives the second ball screw to rotate, and further drives the second driving block to move back and forth along the vertical direction, so that the injection pump is pressed down or pulled up.
Further, the device for separating and recovering the syringe and the needle head comprises a recovery drawer box, wherein the needle head separation box is arranged at the upper part of the recovery drawer box; a blanking placing box is inserted into the upper end of the needle head separating box in a penetrating manner, an air cylinder and an ejector rod are arranged in the needle head separating box, and the ejector rod is horizontally opposite to a blanking port of the blanking placing box; the outer wall of one side of the needle head separation box is provided with a first hole and a second hole, and the first hole and the second hole are connected through a long through groove; and a disinfection ultraviolet lamp is arranged on one side of the inner wall of the needle head separation box.
The invention has the beneficial effects that: 1) the device mainly comprises a main body, a separating device, a PRP automatic interval detection device, a PRP automatic extraction device, a four-coordinate transmission device, an injector and a needle head automatic assembly device, an injector and needle head separation and automatic capping device, a finished product storage device, a separating tube counterweight device, an induction device and the like; 2) after PRP separation, scanning in a mode that an optical image sensor moves up and down, and identifying the height of red blood cells of a separation tube so as to determine the contact height of the red blood cells and a liquid surface layer under the PRP; 3) by determining the height of the liquid level layer and calculating the actual distance from the zero point to the PRP layer by using a software algorithm, the mechanical extraction device can accurately extract the needle head of the syringe from the PRP layer; 4) identifying the weight of the blood sampling tube through the gravity sensor, determining a corresponding counter weight when the counter weight is determined, and ensuring the mutual balance of the separation tubes; 5) the whole structure layout is compact, and the whole transmission and grabbing are completed by using a manipulator;
drawings
FIG. 1 is a schematic structural diagram of an apparatus for automatic separation and extraction of PRP according to the present invention;
FIG. 2 is a schematic view of a centrifugal driving device;
FIG. 3 is a second schematic structural view of the centrifugal driving device;
FIG. 4 is a schematic view of the syringe and needle assembly device;
FIG. 5 is a schematic view of a mechanical extraction device;
FIG. 6 is a schematic view of the syringe and needle separating and recovering device;
FIG. 7 is a second schematic view of the syringe and needle separation and recovery device;
FIG. 8 is a schematic view showing a structure of a liquid level sensor;
fig. 9 is a second schematic structural view of the liquid level sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a device for automatically separating and extracting PRP comprises a workbench 1, wherein a blood collection tube placing and gravity sensing device 6, a counterweight water injection device 5, a centrifugal driving device 2, an injector and needle head assembling device 4, a mechanical extraction device 7 and an injector and needle head separating and recovering device 3 are sequentially arranged on the workbench 1 according to the working procedures;
a first slide rail 101, a second slide rail 102, a first slide bar 103 and a second slide bar 104 are respectively mounted on two sides of the workbench 1, and the first slide bar 103 and the second slide bar 104 are mounted with the first slide rail 101 and the second slide rail 102 across the workbench 1;
a third slide rail 1031 is mounted on one side of the first slide bar 103, a fourth slide rail 1032 is mounted on one side of the second slide bar 104, a first mechanical arm 105 is mounted on the third slide rail 1031, and a second mechanical arm 106 is mounted on the fourth slide rail 1032;
heparin tube is placed and gravity induction system 6 is including storing box 601, it divide into first memory area and second memory area to store box 601, blood centrifuging tube is placed to first memory area, empty centrifuging tube is placed to the second memory area, gravity sensor is installed to the bottom in second memory area.
The counter weight water injection device 5 comprises a water injection head 501, a separation test tube 502 is communicated with the bottom end of the water injection head 501, the separation test tube 502 is mounted on an upper water test tube supporting seat 503, a weighing sensor 504 is mounted at the bottom of the upper water test tube supporting seat 503, the water injection head 501 is mounted on a supporting plate 508, the supporting plate 508 is mounted with a sliding table cylinder 505 and a double-rod cylinder 506, and the double-rod cylinder 506 is mounted on a cylinder supporting frame 507.
The first mechanical arm 105 reciprocates along the length direction of the first slide bar 103 through the third slide rail 1031, when the first mechanical arm 105 moves to the blood collection tube placement and gravity sensing device 6, the first mechanical arm 105 grips the empty centrifuge tube, and conveys the empty centrifuge tube to the position below the water injection head 501 through the third slide rail 1031, and water is injected until the weight of the centrifuge tube is the same as the weight of the blood centrifuge tube.
A circular hole 107 is formed in the middle of the workbench 1, and the centrifugal driving device 2 is installed in the circular hole 107;
referring to fig. 2 and 3, the centrifugal driving device 2 includes a brushless motor 202, one end of the brushless motor 202 is connected to a rigid coupling 203, the other end of the brushless motor 202 is mounted on a mounting base plate 201, the end of the rigid coupling 203 away from the brushless motor 202 is connected to a separation frame 208 through a rotating shaft 209, a plurality of separation vessel pipe areas 207 symmetrically arranged are mounted around the separation frame 208, and an optical coupler 206 is mounted on one side of the rotating shaft 209.
Centrifugal drive device 2: the centrifugal machine is fixed on the bottom plate, and 8 damping springs are used around the centrifugal machine; the rigid coupling is connected with the motor and the rotating shaft; the upper part and the lower part of the rotating shaft are respectively kept in axial tension and balance by a tapered roller bearing; the two sides of the opposite side of the separator are respectively provided with a separating sleeve, the sleeves are provided with separating tubes and counterweight test tubes with the same weight, and the two sides of the separating sleeves are provided with grooves for scanning PRP and erythrocyte layers in the separating tubes through the movement of the sensor after the separation is finished; the separator is provided with a limit switch, and the PRP extraction separation pipe is kept in the same direction after the separation frame slowly stops rotating through program setting.
Referring to fig. 4, the injector and needle assembly device 4 includes a device tray 401, a plurality of injector device areas are disposed in the middle of the device tray 401, a plurality of needle areas are disposed around the device tray 401, an injector 411 is disposed in each injector device area, an injection needle 410 is disposed in each needle area, a first motor 402 is mounted at the bottom of the device tray 401, and the first motor 402 can drive the device tray 401 to rotate.
The injector device area includes a plurality of injector sleeves 405, the injector sleeves 405 are mounted in the middle of the device tray 401, and the injectors 411 can be inserted into the injector sleeves 405; the injection needle section comprises a hollow optical axis 406, the hollow optical axis 406 is mounted on the device disc 401, a compression spring 404 is sleeved outside the hollow optical axis 406, and the injection needle 410 can be inserted into the hollow optical axis 406.
The injector and the needle head are separately arranged before being assembled, the injector is placed in the sleeve, the injection needle head is placed in the hollow optical axis sleeve, the injector is clamped by the manipulator and then accurately inserted into the hollow sleeve, the sleeve is arranged in the linear bearing, the compression spring is arranged outside the sleeve, and the injector and the needle head can be assembled together in a rebounding process; the device is provided with a stepping motor as a driving rotating shaft to rotate, a rotary disc is provided with a limit switch, and the position of each rotating injector is kept to pause at the same position; the rotary bottom plate is provided with a protective cover, and the periphery of the rotary bottom plate is provided with disinfection ultraviolet lamps to ensure that the needle head is in a sterile environment; the rotating bottom plate is provided with an injector placing limiting cover clamping groove, so that the placing positions of the injectors can be kept consistent when the injectors are placed, and errors caused by clamping of a manipulator due to inconsistent placing directions are avoided;
referring to fig. 5, the mechanical pumping device 7 includes a rear mounting plate 704, a slider 703 is mounted on the rear mounting plate 704, a first ball screw 713 is mounted at the bottom of the rear mounting plate, and an injection pump pumping device is mounted at the front end of the rear mounting plate and connected to the slider 703; the first stepping motor 711 rotates to drive the first ball screw 713 to rotate, and further drives the slider 703 to reciprocate along the vertical direction, so as to drive the injection pump pumping device to reciprocate along the vertical direction.
The injection pump extracting device comprises an injection bottom plate 714, wherein a second ball screw 717 is installed on the injection bottom plate 714, a second driving block 710 is installed on the second ball screw 717, a second stepping motor 712 is installed at the top end of the second ball screw 717, a pneumatic finger clamp 708 is installed on one side of the bottom of the injection bottom plate 714, and the opening and the closing of the pneumatic finger clamp 708 are controlled through a finger clamp air cylinder 709.
The automatic extraction device comprises a driving part and an extraction part, wherein the driving part mainly comprises a driving motor, a ball screw, a limit switch, a linear guide rail and the like, the extraction part mainly comprises a pneumatic finger clamp, the limit switch, a positioning device and the like, the screw is driven by a program control motor after the separation of the centrifuge is completed, a screw connecting slide block drives the extraction device to move up and down, the extraction device is provided with an injector and a needle head, the tail part of the injector is arranged on a driving block, and the injector can be accurately placed in the position after the injector is clamped by a limiting adjusting ball holding manipulator, the pneumatic finger clamp can vertically clamp the injector, and the needle head of the injector can be accurately inserted into a PRP layer of a separation tube.
The second stepping motor 712 drives the second ball screw 717 to rotate, and further drives the second driving block 710 to reciprocate in the vertical direction, thereby pressing or pulling up the injection pump.
Referring to fig. 6 and 7, the syringe and needle separation and recovery device 3 includes a recovery drawer box 308, and a needle separation box is installed on the upper portion of the recovery drawer box 308; a blanking placing box 301 is inserted into the upper end of the needle head separating box in a penetrating mode, an air cylinder 305 and an ejector rod 306 are arranged in the needle head separating box, and the ejector rod 306 is horizontally opposite to a blanking port of the blanking placing box 301; a first hole 307 and a second hole 308 are arranged on the outer wall of one side of the needle head separation box, and the first hole 307 and the second hole 308 are connected through a long through groove 309; a disinfection ultraviolet lamp 310 is installed on one side of the inner wall of the needle head separation box.
The mechanical arm stretches the syringe after extracting the PRP into the clamping groove of the round hole of the front panel, the needle head is extruded by the wedge block extrusion of the upper moving needle head and the clamping groove, and the needle head directly falls into the recovery drawer box. The injector continuously moves upwards to the position of the upper round hole, the cylinder push rod is pushed forwards through the touch switch, and the blanking placing box is provided with the sterile cap and pushed to the head of the injector, so that the action of capping is completed.
1) The device is provided with a push-pull drawer for recovering and placing the needle head; 2) an ultraviolet lamp for disinfection is arranged in the device; 3) the blanking placing box is provided with a sterile cover cap, and the blanking placing box is superposed to facilitate free falling;
the operation process of the device for automatically separating and extracting the PRP comprises the following steps:
1) blood to be separated is placed in the blood centrifugal tube, the blood centrifugal tube is weighed, and the first mechanical arm 105 conveys the empty centrifugal tube to the counterweight water injection device 5 through the third sliding rail 1031;
2) the counterweight water injection device 5 injects water into the hollow centrifugal tube through a water injection head 501 until the weight of the hollow centrifugal tube is consistent with that of the blood centrifugal tube;
the water injection head 501 completes the up-and-down and left-and-right movement of the water injection head 501 through the sliding table cylinder 505 and the double-rod cylinder 506 so as to ensure that the water injection head 501 is just opposite to the air-entering centrifugal tube;
3) the first robot arm 105 grips the empty filled centrifugal tube, and at the same time, the first slide bar 103 moves along the length direction of the first slide rail 101 and the second slide rail 102, so that the first robot arm 105 moves to the centrifugal driving device 2, and the first robot arm 105 puts the empty filled centrifugal tube into the separation container zone 207; placing the blood centrifugal tube into the symmetrical separation container tube areas 207, and keeping the two symmetrical separation container tube areas 207 balanced and equal in weight;
4) the centrifugal driving device 2 drives the separation frame 208 to rotate through the rotation of the brushless motor 202, so that the blood in the blood centrifugal tube is separated; namely, the blood in the blood centrifugal tube is divided into a lower layer, a middle layer and an upper layer, wherein the middle layer is a layer to be taken;
referring to fig. 8 and 9, the liquid level detection sensor includes a detection cylinder 801, the detection cylinder 801 is fixed at the bottom of a fixing plate 805, a ball screw fixing seat 806 is installed at one side of the fixing plate 805, the ball screw fixing seat 806 is installed along the vertical direction, a ball screw 804 is installed on the ball screw fixing seat 806, the bottom of the ball screw 804 is connected with a detection stepping motor 802 through a coupling 803, a light source lamp 808 is installed at one side of the ball screw 804, an optical sensor 807 is installed at the other side of the ball screw 804, and the blood stratification condition in the blood centrifuge tube can be detected through the light source lamp 808 and the optical sensor 807.
5) The second slide bar 104 moves along the length direction of the first slide rail 101 and the second slide rail 102, so that the second mechanical arm 106 moves to the syringe and needle assembling device 4, the second mechanical arm extracts the syringe 411 in the syringe sleeve 405 and assembles the syringe 411 and the injection needle 410;
rotating the first motor 402 can rotate the device disk 401, thereby rotating the syringe 411 and the injection needle 410 to the proper position;
6) the second mechanical arm 106 grips the assembled syringe 411 with the injection needle 410, moves to the mechanical extraction device 7 along the second sliding rod 104, places the assembled syringe into the pneumatic finger grip 708, inserts the injection needle 410 into the middle layer of the blood centrifuge tube, and drives the second driving block 710 to move up and down along a straight line through the second stepping motor 712, thereby completing the extraction of the second layer;
the first stepping motor 711 rotates to drive the sliding block 703 to move, so that the injection needle 410 is controlled to enter the second layer, and the position is kept accurate;
7) the finger clamp cylinder 709 controls the opening of the pneumatic finger clamp 708, the second mechanical arm 106 clamps the syringe for extracting blood and inserts the syringe into the needle head separation box through the first hole 307, the second mechanical arm 106 drives the syringe to move upwards to enable the syringe to enter the long through groove, the syringe is pulled, the long through groove enables the syringe needle to be separated, the syringe continues to move upwards to reach the bottom port of the blanking placing box 301, the syringe is connected with the cap in the blanking placing box 301 by propping against the injection, the ejector rod 306 moves to complete the sleeving of the syringe and the cap, the syringe continues to move upwards to be drawn out from the second hole 308, and the whole process is completed.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. An apparatus for automatically separating and extracting PRP, comprising: the blood collection tube assembling device comprises a workbench (1), wherein a blood collection tube placing and gravity sensing device (6), a counterweight water injection device (5), a centrifugal driving device (2), an injector and needle head assembling device (4), a mechanical extracting device (7) and an injector and needle head separating and recovering device (3) are sequentially arranged on the workbench (1) according to working procedures;
a first sliding rail (101), a second sliding rail (102), a first sliding rod (103) and a second sliding rod (104) are respectively installed on two sides of the workbench (1), and the first sliding rod (103) and the second sliding rod (104) both span across the workbench (1) and are installed with the first sliding rail (101) and the second sliding rail (102);
a third slide rail (1031) is mounted on one side of the first slide bar (103), a fourth slide rail (1032) is mounted on one side of the second slide bar (104), a first mechanical arm (105) is mounted on the third slide rail (1031), and a second mechanical arm (106) is mounted on the fourth slide rail (1032);
heparin tube is placed and gravity induction system (6) are including storing box (601), it divide into first storage area and second storage area to store box (601), blood centrifuging tube is placed to first storage area, empty centrifuging tube is placed to the second storage area, gravity sensor is installed to the bottom in first storage area.
2. The apparatus for automatic separation and extraction of PRP according to claim 1, wherein: counter weight water injection device (5) include flood head (501), the bottom intercommunication of flood head (501) has separation test tube (502), install on last water test tube supporting seat (503) separation test tube (502), load cell (504) are installed to the bottom of going up water test tube supporting seat (503), flood head (501) are installed on backup pad (508), backup pad (508) are installed mutually with slip table cylinder (505) and two pole cylinders (506), two pole cylinders (506) are installed on cylinder support frame (507).
3. The apparatus for automatic separation and extraction of PRP according to claim 2, wherein: the first mechanical arm (105) moves back and forth along the length direction of the first sliding rod (103) through a third sliding rail (1031), when the first mechanical arm (105) moves to the blood sampling tube placing and gravity sensing device (6), the first mechanical arm (105) clamps the empty centrifugal tube, the empty centrifugal tube is conveyed to the position below the water injection head (501) through the third sliding rail (1031), and water is injected until the weight of the centrifugal tube is the same as that of the blood centrifugal tube.
4. An apparatus for automatic separation and extraction of PRP according to claim 3, wherein: a circular hole (107) is formed in the middle of the workbench (1), and the centrifugal driving device (2) is installed in the circular hole (107);
centrifugal drive device (2) are including brushless motor (202), the one end of brushless motor (202) is connected with rigid coupling (203), install on mounting plate (201) the other end of brushless motor (202), rigid coupling (203) with brushless motor (202) one end that leaves mutually links to each other with separation frame (208) through rotation axis (209), separation container area (207) that a plurality of symmetries set up are installed around separation frame (208), opto-coupler (206) are installed to one side of rotation axis (209).
5. The apparatus for automatic separation and extraction of PRP according to claim 4, wherein: syringe and syringe needle assembly device (4) are including device dish (401), the middle part of device dish (401) is equipped with a plurality of syringe device districts, be equipped with a plurality of syringe needle districts around device dish (401), syringe device district embeds there is syringe (411), syringe needle district embeds there is syringe needle (410), first motor (402) is installed to the bottom of device dish (401), first motor (402) can drive device dish (401) rotates.
6. The apparatus for automatic separation and extraction of PRP according to claim 5, wherein: the injector device area comprises a plurality of injector sleeves (405), the injector sleeves (405) are mounted in the middle of the device tray (401), and the injectors (411) can be inserted into the injector sleeves (405); the injection needle head area comprises a hollow optical axis (406), the hollow optical axis (406) is installed on the device disc (401), a compression spring (404) is sleeved outside the hollow optical axis (406), and the injection needle head (410) can be inserted into the hollow optical axis (406).
7. The apparatus for automatic separation and extraction of PRP according to claim 6, wherein: the mechanical extraction device (7) comprises a rear mounting plate (704), a sliding block (703) is mounted on the rear mounting plate (704), a first ball screw (713) is mounted at the bottom of the rear mounting plate, an injection pump extraction device is mounted at the front end of the rear mounting plate, and the injection pump extraction device is connected with the sliding block (703); the first stepping motor (711) rotates to drive the first ball screw (713) to rotate, so that the sliding block (703) is driven to move back and forth along the vertical direction, and the injection pump pumping device is driven to move back and forth along the vertical direction.
8. The apparatus for automatic separation and extraction of PRP according to claim 7, wherein: the injection pump pumping device comprises an injection bottom plate (714), a second ball screw (717) is mounted on the injection bottom plate (714), a second driving block (710) is mounted on the second ball screw (717), a second stepping motor (712) is mounted at the top end of the second ball screw (717), a pneumatic finger clamp (708) is mounted on one side of the bottom of the injection bottom plate (714), and the opening and closing of the pneumatic finger clamp (708) are controlled through a finger clamp air cylinder (709);
the second stepping motor (712) drives the second ball screw (717) to rotate, and further drives the second driving block (710) to reciprocate along the vertical direction, so that the injection pump is pressed down or pulled up.
9. The apparatus for automatic separation and extraction of PRP according to claim 8, wherein: the syringe and needle separating and recycling device (3) comprises a recycling drawer box (308), and a needle separating box is mounted at the upper part of the recycling drawer box (308); a blanking placing box (301) is inserted into the upper end of the needle head separating box in a penetrating mode, an air cylinder (305) and an ejector rod (306) are arranged in the needle head separating box, and the ejector rod (306) is horizontally opposite to a blanking port of the blanking placing box (301); a first hole (307) and a second hole (308) are formed in the outer wall of one side of the needle head separation box, and the first hole (307) and the second hole (308) are connected through a long through groove (309); and a disinfection ultraviolet lamp (310) is arranged on one side of the inner wall of the needle head separation box.
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| CN112619907B (en) | 2022-06-28 |
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