CN114570266A - Medical equipment for platelet rich plasma gel PRG (platelet-rich plasma gel) in-vitro negative pressure cutting treatment - Google Patents

Medical equipment for platelet rich plasma gel PRG (platelet-rich plasma gel) in-vitro negative pressure cutting treatment Download PDF

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Publication number
CN114570266A
CN114570266A CN202210042936.5A CN202210042936A CN114570266A CN 114570266 A CN114570266 A CN 114570266A CN 202210042936 A CN202210042936 A CN 202210042936A CN 114570266 A CN114570266 A CN 114570266A
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China
Prior art keywords
box body
rod
cylinder
square
rich plasma
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CN202210042936.5A
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Chinese (zh)
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CN114570266B (en
Inventor
朱亚琼
罗渝昆
王月香
易丹
李墨琳
陈思明
陈祥慧
陈剑
邢光辉
王菁
王力
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First Medical Center of PLA General Hospital
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First Medical Center of PLA General Hospital
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Priority to CN202210042936.5A priority Critical patent/CN114570266B/en
Publication of CN114570266A publication Critical patent/CN114570266A/en
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Publication of CN114570266B publication Critical patent/CN114570266B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08Means for actuating the cutting member to effect the cut
    • B26D5/086Electric, magnetic, piezoelectric, electro-magnetic means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614Means for mounting the cutting member

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • External Artificial Organs (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses medical equipment for in-vitro negative pressure cutting treatment of Platelet-rich plasma gel (PRG), which comprises a box body, wherein a box cover is connected to the box body through screws, a sealing groove is formed in the box body, a silica gel ring is bonded to the box cover, the silica gel ring is connected in the sealing groove in a sliding manner, a lifting stirring mechanism is arranged on the box cover, a high-speed cutting mechanism is arranged on the box body, an ultraviolet lamp is fixedly installed on the box cover, a PRP guide port is fixedly sleeved on the side wall of the box body, an activator guide port is fixedly sleeved on the side wall of the box body, a suction pump is fixedly installed on the side wall of the box body, four support legs are welded to the box body, and the support legs are uniformly distributed in the box body. The invention relates to medical equipment for platelet rich plasma gel PRG (platelet rich plasma) in-vitro negative pressure cutting treatment, which has the characteristics that the in-vitro cutting PRP can keep higher sterile level and the cut PRP can be subjected to proper shape cutting treatment aiming at tissues of different injury parts.

Description

Medical equipment for platelet rich plasma gel PRG (platelet-rich plasma gel) in-vitro negative pressure cutting treatment
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to medical equipment for platelet rich plasma gel PRG (platelet-rich plasma gel) in-vitro negative pressure cutting treatment.
Background
Platelet-rich plasma (PRP) is Platelet-rich plasma concentrate separated from autologous fresh whole blood after centrifugation, contains a large amount of bioactive growth factors which can promote tissue repair, and the activated PRP has low price, convenient material acquisition and objective curative effect, is widely applied to plastic cosmetology, wound repair and disease treatment of skeletal muscle systems, is vital to accelerating the functional recovery of joints and muscles and improving the life quality of patients, and is gradually accepted by clinicians. However, the utilization of platelet-rich plasma gel for local tissue repair has certain limitations at present. Nowadays, the incidence rate of closed injuries of the musculoskeletal system, such as rotator cuff tear, carpal tunnel syndrome and the like, is obviously increased, the age correlation is obvious, and the pain of a patient can be effectively relieved in a non-operative mode if the treatment is combined with PRP.
However, currently, the injury regeneration repair of an open wound can be performed only by covering a whole piece of PRG from an autologous source clinically, and most of the treatment methods directly cover the whole piece of gel on the wound, but the repair difficulty of wounds such as closed injuries, deep soft tissue separation, laceration and ischemia is large, and the repaired tissues are often accompanied by local degeneration, and the incidence rate of surgical complications including infection and joint muscle stiffness is relatively high. When the PRG in the prior art is prepared, a high sterile level cannot be achieved when the PRG is used, so that the PRP is abnormally activated in vitro to influence the repair quality of the PRG, and meanwhile, efficient and safe cutting equipment is lacked, so that the whole PRG cannot be cut according to the tissue types, the forms and the depths of different damage parts and proper forms, and further cannot be combined with an arthroscope to repair closed damage under the ultrasonic mediation. Accordingly, there is a need for improvements in the art.
The invention content is as follows:
the present invention has been made to solve the above problems, and an object of the present invention is to provide a medical device for a platelet rich plasma gel PRG in-vitro negative pressure cutting process, which solves the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
medical equipment for the external negative pressure cutting treatment of platelet rich plasma gel PRG (platelet rich plasma gel), which comprises a box body, wherein a box cover is connected onto the box body through screws, a sealing groove is formed in the box body, a silica gel ring is bonded onto the box cover, the silica gel ring is slidably connected into the sealing groove, a lifting stirring mechanism is arranged on the box cover, a high-speed cutting mechanism is arranged on the box body, an ultraviolet lamp is fixedly arranged on the box cover, a PRP (platelet rich plasma) guide port is fixedly sleeved on the side wall of the box body, an activator guide port is fixedly sleeved on the side wall of the box body, a suction pump is fixedly arranged on the side wall of the box body, four support legs are welded on the box body and are uniformly distributed on the box body, an outlet is formed in the box body, a needle cylinder is contacted with the outlet, a needle head is arranged on the needle cylinder, the needle head is positioned in the outlet, and a connecting belt is fixedly connected onto the outlet, and a plug is fixedly connected to the connecting belt.
Preferably, a sliding frame is welded on the side wall of the box body, an expansion plate is connected in the sliding frame in a sliding mode, the expansion plate is in contact with the box body, an air cylinder is fixedly mounted on the side wall of the box body, an air cylinder rod of the air cylinder is connected with the box body in a sliding mode, the air cylinder rod of the air cylinder is connected with the sliding frame in a sliding mode, the air cylinder rod is welded with the expansion plate, a guide rod is connected in the side wall of the box body in a sliding mode, a scraper is welded on the guide rod and is connected with the sliding frame in a sliding mode, a stop block is welded on the guide rod, an elastic sleeve is arranged on the outer side of the guide rod, one end of the elastic sleeve is bonded with the box body, and the other end of the elastic sleeve is bonded with the stop block.
Preferably, a corrugated sleeve is fixedly sleeved on the outer side of the outlet, and a needle cylinder is sleeved in the corrugated sleeve in a sliding manner.
As preferred, lift rabbling mechanism includes motor, pivot, square pole, square tube, puddler, chimb, hydro-cylinder, oil pole, adapter sleeve, spacer pin, connecting rod, guide rail and lug, the pivot and the case lid of motor rotate to be connected, the welding has the square pole in the pivot, the outside sliding connection of square pole has the square tube, the welding has the puddler on the square tube, be provided with the chimb on the square tube, hydro-cylinder and case lid fixed connection, oil pole and case lid sliding connection on the hydro-cylinder, the outside sliding connection of oil pole has the adapter sleeve, the welding has the connecting rod on the adapter sleeve, the welding has the guide rail on the connecting rod, guide rail and chimb sliding connection.
Preferably, the side wall of the connecting sleeve is connected with a limiting pin in a sliding mode, and the limiting pin is connected with the oil rod through threads.
Preferably, a bump is welded on the guide rail, and the bump is in contact with the convex edge.
Preferably, the high-speed cutting mechanism comprises a motor, a driving shaft, a square block, a blade, a square hole and a pressing plate, the motor is fixedly installed on the box body, the driving shaft of the motor is rotatably connected with the box body, the square block is welded on the driving shaft, the blade is slidably connected to the outer side of the square block, the blade is in contact with the driving shaft, the square hole is formed in the blade, and the square block is slidably connected in the square hole.
Preferably, a pressing plate is connected to the square block through a screw, and the pressing plate is in contact with the blade.
The invention has the beneficial effects that: the invention relates to a medical device for the in vitro negative pressure cutting treatment of platelet rich plasma gel PRG, which has the characteristics that the in vitro cutting PRP can keep higher sterile level and the cut PRP can cut tissues of different injury parts in a proper form, and in the specific use, compared with the traditional medical device for the in vitro negative pressure cutting treatment of the platelet rich plasma gel PRG, the medical device for the in vitro negative pressure cutting treatment of the platelet rich plasma gel PRG has the following two beneficial effects:
firstly, the box body is sucked by the suction pump, so that negative pressure is kept in the box body, the box body is sterilized by the ultraviolet lamp, PRP gel is prepared and cut in the box body under the sterile and negative pressure environment, the probability that PLT is guided by an activating agent and polluted is obviously reduced, PRP activity is kept to the maximum extent, and the effect of repairing, regenerating and damaging tissues by the PRP gel is improved.
Secondly, through setting up the motor, the drive shaft, square, the blade, export and cylinder isotructure, through motor drive blade rotation, the blade cuts PRP gel into even unanimous microparticle in the box, can absorb the appropriate amount of microparticle entering cylinder according to the position of performing the operation, the best quantity of tissue damage degree aassessment, guarantee the make full use of material, avoid extravagant, relatively reduce patient's autologous plasma demand, further protect patient's function, can adjust the shape of PRG microparticle according to different tissue anatomical morphology, increase the laminating area, the repair range is wider, the speed is faster, can introduce microparticle into closed wound such as articular cavity under the ultrasonic mediation, treat deep injury position, fully wrap up the injury position, widen the clinical application scope of PRP gel to a great extent, repair more types of damaged tissue.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
FIG. 4 is an enlarged view of the present invention at C of FIG. 1;
fig. 5 is an enlarged view of the present invention at D in fig. 1.
In the figure: 1. a box body; 2. a box cover; 3. a sealing groove; 4. a silica gel ring; 5. a lifting stirring mechanism; 51. a motor; 52. a rotating shaft; 53. a square bar; 54. a square cylinder; 55. a stirring rod; 56. a convex edge; 57. an oil cylinder; 58. a sucker rod; 59. connecting sleeves; 610. a spacing pin; 611. a connecting rod; 612. a guide rail; 613. a bump; 6. a high-speed cutting mechanism; 61. an electric motor; 62. a drive shaft; 63. a square block; 64. a blade; 65. a square hole; 66. pressing a plate; 7. an ultraviolet lamp; 8. a PRP port; 9. an activator delivery port; 10. a suction pump; 11. a sliding frame; 12. a retractable plate; 13. a cylinder; 14. a cylinder rod; 15. a guide bar; 151. a stopper; 16. a scraper; 17. an elastic sleeve; 19. a support leg; 20. an outlet; 21. a needle cylinder; 22. a needle head; 23. a corrugated sleeve; 24. a connecting belt; 25. and (7) a plug.
The specific implementation mode is as follows:
as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment:
example (b):
medical equipment for the external negative pressure cutting treatment of platelet rich plasma gel PRG (platelet rich plasma gel), which comprises a box body 1, wherein a box cover 2 is connected onto the box body 1 through a screw, a sealing groove 3 is formed in the box body 1, a silica gel ring 4 is bonded onto the box cover 2, the silica gel ring 4 is slidably connected into the sealing groove 3, a lifting stirring mechanism 5 is arranged on the box cover 2, a high-speed cutting mechanism 6 is arranged on the box body 1, an ultraviolet lamp 7 is fixedly arranged on the box cover 2, a PRP (platelet rich plasma) guide port 8 is fixedly sleeved on the side wall of the box body 1, an activator guide port 9 is fixedly sleeved on the side wall of the box body 1, a suction pump 10 is fixedly arranged on the side wall of the box body 1, four support legs 19 are welded on the box body 1, an outlet 20 is arranged on the box body 1, a needle cylinder 21 is contacted with the outlet 20, and a needle head 22 is arranged on the needle cylinder 21, the needle 22 is located in the outlet 20, a connecting band 24 is fixedly connected to the outlet 20, and a plug 25 is fixedly connected to the connecting band 24.
The side wall of the box body 1 is welded with a sliding frame 11, an expansion plate 12 is connected in the sliding frame 11 in a sliding mode, the expansion plate 12 is in contact with the box body 1, a cylinder 13 is fixedly mounted on the side wall of the box body 1, a cylinder rod 14 of the cylinder 13 is connected with the box body 1 in a sliding mode, the cylinder rod 14 of the cylinder 13 is connected with the sliding frame 11 in a sliding mode, the cylinder rod 14 is welded with the expansion plate 12, the side wall of the box body 1 is connected with a guide rod 15 in a sliding mode, a scraper 16 is welded on the guide rod 15, the scraper 16 is connected with the sliding frame 11 in a sliding mode, a stop block 151 is welded on the guide rod 15, an elastic sleeve 17 is arranged on the outer side of the guide rod 15, one end of the elastic sleeve 17 is bonded with the box body 1, and the other end of the elastic sleeve 17 is bonded with the stop block 151. Move to box 1 direction through setting up dog 151 for elastic sleeve 17 is compressed, makes guide arm 15 drive scraper 16 and removes, and with the material on the sliding sash 11 promote to expansion plate 12 on, unclamp dog 151, elastic sleeve 17 resets and makes scraper 16 reset, then starts cylinder 13, and cylinder 13 starts cylinder rod 14 and retracts, and cylinder rod 14 retracts and drives expansion plate 12 and retract, makes the material on the expansion plate 12 fall on box 1 lower part.
Wherein, the outer side of the outlet 20 is fixedly sleeved with a corrugated sleeve 23, and the corrugated sleeve 23 is slidably sleeved with a needle cylinder 21. By providing the bellows 23, the space between the barrel 21 and the outlet 20 is closed.
Wherein, lift rabbling mechanism 5 includes motor 51, pivot 52, square bar 53, square tube 54, puddler 55, chimb 56, hydro-cylinder 57, oil bar 58, adapter sleeve 59, spacer pin 610, connecting rod 611, guide rail 612 and lug 613, motor 51's pivot 52 and case lid 2 rotate to be connected, the welding has square bar 53 in the pivot 52, square bar 53's outside sliding connection has square tube 54, the welding has puddler 55 on the square tube 54, be provided with chimb 56 on the square tube 54, hydro- cylinder 57 and 2 fixed connection of case lid, oil bar 58 and 2 sliding connection of case lid on the hydro-cylinder 57, the outside sliding connection of oil bar 58 has adapter sleeve 59, the welding has connecting rod 611 on the adapter sleeve 59, the welding has guide rail 612 on the connecting rod 611, guide rail 612 and chimb 56 sliding connection. The rotating shaft 52 is driven to rotate by the motor 51 to drive the square rod 53 to rotate, the square rod 53 drives the square barrel 54 to rotate, the square barrel 54 rotates to drive the stirring rod 55 to stir the PRP and the activating agent, then the oil cylinder 57 is started, the oil cylinder 57 starts the oil rod 58 to stretch, the oil rod 58 drives the connecting sleeve 59 to move, the connecting sleeve 59 drives the connecting rod 611 to move, the connecting rod 611 drives the guide rail 612 to move, the guide rail 612 moves to drive the convex edge 56 to move, the convex edge 56 drives the square barrel 54 to move, the square barrel 54 moves to slide on the square rod 53, the stirring rod 55 moves up and down to stir, and the mixing of the PRP and the activating agent is more uniform.
The side wall of the connecting sleeve 59 is connected with a limit pin 610 in a sliding manner, and the limit pin 610 is connected with the oil rod 58 through threads. The connection sleeve 59 and the oil rod 58 are connected by providing the stopper pin 610.
Wherein, a projection 613 is welded on the guide rail 612, and the projection 613 is contacted with the convex edge 56. By providing the projection 613, friction between the rail 612 and the flange 56 is reduced.
The high-speed cutting mechanism 6 comprises a motor 61, a driving shaft 62, a square block 63, a blade 64, a square hole 65 and a pressing plate 66, the motor 61 and the box body 1 are fixedly installed, the driving shaft 62 of the motor 61 is rotatably connected with the box body 1, the square block 63 is welded on the driving shaft 62, the blade 64 is slidably connected to the outer side of the square block 63, the blade 64 is in contact with the driving shaft 62, the square hole 65 is formed in the blade 64, and the square block 63 is slidably connected in the square hole 65. The driving shaft 62 is started to rotate by arranging the motor 61, the driving shaft 62 rotates to drive the square block 63 to rotate, and the square block 63 drives the blade 64 to rotate to cut the PRP.
The square block 63 is connected with a pressure plate 66 through a screw, and the pressure plate 66 is contacted with the blade 64. The blade 64 is secured by the provision of a pressure plate 66.
The using state of the invention is as follows: when the device is used, PRP enters the box body 1 through the PRP guide port 8, then activating agent is added into the box body 1 through the activating agent guide port 9, then stop valves on the PRP guide port 8 and the activating agent guide port 9 are closed, a suction pump 10 is started to suck air in the box body 1, so that the negative pressure state is kept in the box body 1, then a motor 51 is started, the motor 51 starts a rotating shaft 52 to rotate, the rotating shaft 52 rotates to drive a square rod 53 to rotate, the square rod 53 drives a square barrel 54 to rotate, the square barrel 54 rotates to drive a stirring rod 55 to stir the PRP and the activating agent, then an oil cylinder 57 is started, the oil cylinder 57 starts an oil rod 58 to stretch, the oil rod 58 drives a connecting sleeve 59 to move, the connecting sleeve 59 drives a connecting rod 611 to move, the connecting rod 611 drives a guide rail 612 to move, the guide rail 612 moves to drive a convex edge 56 to move, the convex edge 56 drives the square barrel 54 to move, the square barrel 54 moves on the square rod 53 to slide, so that the stirring rod 55 moves up and down, PRP and an activator are mixed more uniformly, after stirring is finished, the motor 51 and the oil cylinder 57 are shut down, the oil rod 58 keeps a retraction state, the stirring rod 55 keeps a distance from the sliding frame 11, then the stop block 151 is pressed manually, the stop block 151 moves towards the direction of the box body 1, the elastic sleeve 17 is compressed, the guide rod 15 drives the scraper 16 to move, the material on the sliding frame 11 is pushed onto the telescopic plate 12, the stop block 151 is loosened, the elastic sleeve 17 is reset, the scraper 16 is reset, then the air cylinder 13 is started, the air cylinder 13 starts the air cylinder rod 14 to retract, the air cylinder rod 14 retracts, the telescopic plate 12 is driven to retract, the material on the telescopic plate 12 falls on the lower part of the box body 1, then the motor 61 is started, the motor 61 starts the driving shaft 62 to rotate, the driving shaft 62 rotates to drive the square block 63 to rotate, the block 63 drives the blade 64 to rotate to cut the PRP, the motor 61 is shut down after cutting is finished, an appropriate amount of microparticles is sucked into the syringe 21 according to the optimal dosage evaluated by the position of the operation and the degree of tissue damage.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (8)

1. A medical equipment that is used for external negative pressure of rich platelet plasma gel PRG to cut and handle, including box (1), its characterized in that: the box body (1) is connected with a box cover (2) through a screw, a sealing groove (3) is formed in the box body (1), a silica gel ring (4) is bonded on the box cover (2), the silica gel ring (4) is connected in the sealing groove (3) in a sliding manner, a lifting stirring mechanism (5) is arranged on the box cover (2), a high-speed cutting mechanism (6) is arranged on the box body (1), an ultraviolet lamp (7) is fixedly mounted on the box cover (2), a PRP (pulse repetition program) guide port (8) is fixedly sleeved on the side wall of the box body (1), an activator guide port (9) is fixedly sleeved on the side wall of the box body (1), a suction pump (10) is fixedly mounted on the side wall of the box body (1), four support legs (19) are welded on the box body (1), the support legs (19) are uniformly distributed on the box body (1), an outlet (20) is formed in the box body (1), the export (20) are gone up the contact and are had cylinder (21), be provided with syringe needle (22) on cylinder (21), syringe needle (22) are located export (20), fixedly connected with connecting band (24) on export (20), fixedly connected with end cap (25) on connecting band (24).
2. The medical device for the platelet rich plasma gel (PRG) in vitro negative pressure cutting process according to claim 1, wherein: the side wall of the box body (1) is welded with a sliding frame (11), the sliding frame (11) is connected with a telescopic plate (12) in a sliding way, the expansion plate (12) is contacted with the box body (1), the side wall of the box body (1) is fixedly provided with an air cylinder (13), a cylinder rod (14) of the cylinder (13) is connected with the box body (1) in a sliding way, a cylinder rod (14) of the cylinder (13) is connected with the sliding frame (11) in a sliding way, the cylinder rod (14) is welded with the expansion plate (12), the side wall of the box body (1) is connected with a guide rod (15) in a sliding way, a scraper (16) is welded on the guide rod (15), the scraper (16) is connected with the sliding frame (11) in a sliding way, a stop block (151) is welded on the guide rod (15), an elastic sleeve (17) is arranged on the outer side of the guide rod (15), one end of the elastic sleeve (17) is bonded with the box body (1), and the other end of the elastic sleeve (17) is bonded with the stop block (151).
3. The medical device for the platelet rich plasma gel PRG in vitro negative pressure cutting process according to claim 1, characterized in that: a corrugated sleeve (23) is fixedly sleeved on the outer side of the outlet (20), and a needle cylinder (21) is sleeved in the corrugated sleeve (23) in a sliding manner.
4. The medical device for the platelet rich plasma gel PRG in vitro negative pressure cutting process according to claim 1, characterized in that: the lifting stirring mechanism (5) comprises a motor (51), a rotating shaft (52), a square rod (53), a square cylinder (54), a stirring rod (55), a convex edge (56), an oil cylinder (57), an oil rod (58), a connecting sleeve (59), a limiting pin (610), a connecting rod (611), a guide rail (612) and a convex block (613), wherein the rotating shaft (52) and a box cover (2) of the motor (51) are rotatably connected, the square rod (53) is welded on the rotating shaft (52), the square cylinder (54) is slidably connected to the outer side of the square rod (53), the stirring rod (55) is welded on the square cylinder (54), the convex edge (56) is arranged on the square cylinder (54), the oil cylinder (57) is fixedly connected with the box cover (2), the oil rod (58) on the oil cylinder (57) is slidably connected with the box cover (2), the connecting sleeve (59) is slidably connected to the outer side of the oil rod (58), and the connecting rod (611) is welded on the connecting sleeve (59), a guide rail (612) is welded on the connecting rod (611), and the guide rail (612) is connected with the convex edge (56) in a sliding mode.
5. The medical device for the platelet rich plasma gel PRG in vitro negative pressure cutting process according to claim 4, wherein: the side wall of the connecting sleeve (59) is connected with a limiting pin (610) in a sliding mode, and the limiting pin (610) is connected with the oil rod (58) through threads.
6. The medical device for the platelet rich plasma gel PRG in vitro negative pressure cutting process according to claim 4, wherein: a lug (613) is welded on the guide rail (612), and the lug (613) is contacted with the convex edge (56).
7. The medical device for the platelet rich plasma gel PRG in vitro negative pressure cutting process according to claim 1, characterized in that: high-speed cutting mechanism (6) include motor (61), drive shaft (62), square (63), blade (64), quad slit (65) and clamp plate (66), motor (61) and box (1) fixed mounting, drive shaft (62) and box (1) of motor (61) rotate to be connected, the welding has square (63) on drive shaft (62), the outside sliding connection of square (63) has blade (64), blade (64) and drive shaft (62) contact, quad slit (65) have been seted up on blade (64), sliding connection has square (63) in quad slit (65).
8. The medical device for the platelet rich plasma gel PRG in vitro negative pressure cutting process according to claim 7, characterized in that: the square block (63) is connected with a pressure plate (66) through a screw, and the pressure plate (66) is contacted with the blade (64).
CN202210042936.5A 2022-01-14 2022-01-14 Medical equipment for in-vitro negative pressure cutting treatment of platelet-rich plasma gel PRG Active CN114570266B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116766315A (en) * 2023-08-18 2023-09-19 中国医学科学院基础医学研究所 Automatic cracking device for rubber blocks

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