A bone cyst medullary cavity wall breaking bone grafting device

Abstract

The invention discloses a bone cyst medullary cavity wall breaking and bone grafting device, which relates to the technical field of medical devices; a bone cyst medullary cavity wall breaking and bone grafting device, comprising a handle, a control panel is arranged on the front of the handle, a micro-electric telescopic rod is fixedly installed on the inner left wall of the handle near the bottom, a forward and reverse motor is fixedly installed on the top of the first slide, a rotating shaft is fixedly connected to the output end of the forward and reverse motor, a grinding head is fixedly connected to the end of the rotating shaft away from the forward and reverse motor, a bone grafting tube is fixedly installed inside the handle, a channel tube is fixedly connected to the right end of the handle, ball bearings are fixedly installed on the top of the third slide near the left and right sides, a medical rubber tube is fixedly connected to the right side of the channel tube near the bottom, a control panel is arranged on the handle, and a power cord is arranged on the handle.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, in particular to a bone cyst medullary cavity wall breaking and bone grafting device. Background Art

[0002] Bone cyst medullary cavity bone grafting is a surgical method to treat bone cysts. Bone cysts are benign bone tumors that form a fluid-filled cavity inside the bone, leading to osteoporosis and decreased strength. The purpose of bone cyst medullary cavity bone grafting surgery is to restore the normal structure and function of the bone by removing the fluid and tissue in the cyst and then implanting autologous bone or artificial bone material into the medullary cavity.

[0003] However, existing minimally invasive treatments for bone cysts have the disadvantages of large trauma, slow recovery, and the cyst wall cannot be completely freshened, so that the bone graft cannot fully induce osteogenesis, and multiple injections of liquid artificial bone are required. Summary of the invention

[0004] The invention provides a bone cyst medullary cavity wall breaking and bone grafting device to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a bone cyst medullary cavity wall breaking and bone grafting device, comprising a handle, a control panel is arranged on the front of the handle, a micro-electric telescopic rod is fixedly installed on the inner left wall of the handle near the bottom, a second mounting seat is fixedly installed on the inner bottom wall of the handle near the center, a first mounting seat is fixedly installed on the inner bottom wall of the handle near the right side, a first sliding rod is fixedly installed on the left side of the left side of the first mounting seat near the front and rear ends, a first sliding table is movably sleeved on the outer surfaces of the two first sliding rods, a forward and reverse motor is fixedly installed on the top of the first sliding table, and the output end of the forward and reverse motor is fixedly connected to A rotating shaft, one end of the rotating shaft away from the forward and reverse motor is fixedly connected to a grinding head, a bone grafting tube is fixedly installed inside the handle, a channel tube is fixedly connected to the right end of the handle, a third mounting seat is fixedly installed on the left and right sides of the inner bottom wall of the channel tube near the center, a third sliding rod is fixedly installed on the adjacent side of the two third mounting seats near the front and rear ends, a third slide table is movably sleeved on the outer surface of the third slide bar, ball bearings are fixedly installed on the top of the third slide table near the left and right sides, a medical rubber tube is fixedly connected to the right side of the channel tube near the bottom, a control panel is provided on the handle, and a power cord is provided on the handle.

[0006] Furthermore, the left end of the bone grafting tube passes through the inner left side wall of the handle and is provided with a feeding end, the bone grafting tube is fixedly connected to the handle, the right side of the bone grafting tube passes through the inner right side wall of the handle near the top and the interior of the channel tube, and extends out of the right side of the mounting plate, and the connection between the bone grafting tube and the handle, the channel tube and the mounting plate are all fixedly connected.

[0007] Furthermore, the right end of the electric telescopic rod is fixedly connected to the left side of the second mounting seat.

[0008] Furthermore, one end of the rotating shaft away from the forward and reverse motor passes through the inner right wall of the handle, the interior of the two ball bearings and the left side of the mounting plate and extends to the interior of the medical rubber tube. The connections between the rotating shaft and the handle, the mounting plate and the medical rubber tube are all movable sleeves. The connections between the rotating shaft and the handle, the mounting plate and the medical rubber tube are all provided with sealing rings. The connection between the rotating shaft and the two ball bearings is a fixed connection.

[0009] Furthermore, limit switches are fixedly installed on the left and right sides of the third slide and the first slide.

[0010] Furthermore, the left sides of the two first sliding bars are respectively fixedly connected to the right side of the second mounting seat near the front and rear ends.

[0011] Furthermore, the output end of the electric telescopic rod passes through the left side of the second mounting seat and is fixedly connected to the left end of the first slide.

[0012] Furthermore, a PCB board and a maintenance door are provided on the handle.

[0013] Compared with the prior art, the present invention provides a bone cyst medullary cavity wall breaking bone grafting device, which has the following beneficial effects:

[0014] 1. The bone cyst medullary cavity wall breaking and bone grafting device can quickly adjust the extended length of the grinding head by arranging the electric telescopic rod, the first slide, the first slide bar, the third slide bar and the third slide bar, so as to adjust the depth of the grinding head in the medullary cavity of the bone cyst, thereby avoiding excessive rotation to cause damage to the cyst wall area, and ensuring the accuracy and safety of the bone cyst medullary cavity wall breaking and bone grafting surgery.

[0015] 2. The bone cyst medullary wall breaking and bone grafting device, by arranging forward and reverse motors, a rotating shaft and a grinding head, can quickly freshen the surface of the cyst wall before the liquid artificial bone is implanted, so as to provide a good environment for the subsequent artificial bone injection; the freshening treatment can improve the bonding ability between the artificial bone and the cyst wall, promote the regeneration and repair of bone tissue, and can achieve minimally invasive treatment of bone cysts with the advantages of less trauma and faster recovery; it also solves the shortcomings of existing minimally invasive treatments, that is, the cyst wall cannot be completely freshened, so that the bone graft cannot fully induce osteogenesis, and avoids the disadvantages of multiple injections of liquid artificial bone. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is an overall rear view of the present invention;

[0018] Figure 3 This is a diagram showing the internal structure of the handle and the channel tube of the present invention;

[0019] Figure 4 It is an enlarged view of point A of the present invention.

[0020] In the figure: 1. power cord; 2. feed end; 3. channel tube; 4. bone graft tube; 5. medical rubber tube; 6. handle; 7. control panel; 8. electric telescopic rod; 9. second mounting seat; 10. first slide; 11. first slide bar; 12. first mounting seat; 13. third mounting seat; 14. grinding head; 15. mounting plate; 16. rotating shaft; 17. forward and reverse motor; 18. third slide bar; 19. ball bearing; 20. third slide; 21. limit switch; 22. feed end; 23. PCB board; 24. maintenance door. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4The present invention discloses a bone cyst medullary cavity wall breaking and bone grafting device, comprising a handle 6, a control panel 7 is arranged on the front of the handle 6, a micro electric telescopic rod 8 is fixedly installed on the inner left wall of the handle 6 near the bottom, a second mounting seat 9 is fixedly installed on the inner bottom wall of the handle 6 near the center, a first mounting seat 12 is fixedly installed on the inner bottom wall of the handle 6 near the right side, a first slide bar 11 is fixedly installed on the left side of the first mounting seat 12 near the front and rear ends, a first slide table 10 is movably sleeved on the outer surfaces of the two first slide bars 11, a forward and reverse motor 17 is fixedly installed on the top of the first slide table 10, an output end of the forward and reverse motor 17 is fixedly connected to a rotating shaft 16, and the rotating shaft The end of 16 away from the forward and reverse motor 17 is fixedly connected to the grinding head 14, the bone grafting tube 4 is fixedly installed inside the handle 6, the right end of the handle 6 is fixedly connected to the channel tube 3, the third mounting seats 13 are fixedly installed on the left and right sides of the inner bottom wall of the channel tube 3 near the center, the adjacent sides of the two third mounting seats 13 are fixedly installed with third slide bars 18 near the front and rear ends, the outer surface of the third slide bar 18 is movably sleeved with a third slide table 20, the top of the third slide table 20 near the left and right sides is fixedly installed with ball bearings 19, the right side of the channel tube 3 near the bottom is fixedly connected to a medical rubber tube 5, a control panel 7 is provided on the handle 6, and a power cord 1 is provided on the handle 6.

[0023] Specifically, the left end of the bone graft tube 4 passes through the inner left side wall of the handle 6 and is provided with a feed end 222. The bone graft tube 4 is fixedly connected to the handle 6. The right side of the bone graft tube 4 passes through the inner right side wall of the handle 6 near the top and the interior of the channel tube 3, and extends out of the right side of the mounting plate 15. The connection between the bone graft tube 4 and the handle 6, the channel tube 3 and the mounting plate 15 are all fixedly connected.

[0024] In this embodiment, the bone defect or the part that needs to be strengthened of the patient is to be added.

[0025] Specifically, the right end of the electric telescopic rod 8 is fixedly connected to the left side of the second mounting seat 9 .

[0026] In this embodiment, the stability of the electric telescopic rod 8 during installation and use is enhanced.

[0027] Specifically, one end of the rotating shaft 16 away from the forward and reverse motor 17 passes through the inner right wall of the handle 6, the interior of the two ball bearings 19 and the left side of the mounting plate 15 and extends to the interior of the medical rubber tube 5. The connections between the rotating shaft 16 and the handle 6, the mounting plate 15 and the medical rubber tube 5 are all movable sleeve connections. The connections between the rotating shaft 16 and the handle 6, the mounting plate 15 and the medical rubber tube 5 are all provided with sealing rings. The connection between the rotating shaft 16 and the two ball bearings 19 is a fixed connection.

[0028] In this embodiment, the rotating shaft 16 can be rotated and moved left and right at the same time, and the rotating shaft 16 is arranged inside the ball bearing 19 to ensure the stability of the rotating shaft 16 during rotation and movement.

[0029] Specifically, limit switches 21 are fixedly installed on both left and right sides of the third slide 20 and the first slide 10 .

[0030] In this embodiment, the third slide 20 and the first slide 10 are prevented from colliding with their adjacent mounting seats, thereby ensuring the safety of the slides when moving.

[0031] Specifically, the left sides of the two first sliding bars 11 are respectively fixedly connected to the right side of the second mounting seat 9 near the front and rear ends.

[0032] In this embodiment, the stability of the first slide platform 10 when moving along the first slide bar 11 is enhanced.

[0033] Specifically, the output end of the electric telescopic rod 8 passes through the left side of the second mounting seat 9 and is fixedly connected to the left end of the first slide 10 .

[0034] In the present embodiment, the output end of the electric telescopic rod 8 drives the first slide 10 to move left and right along the first slide bar 11, thereby driving the position of the forward and reverse motor 17. The movement of the forward and reverse motor 17 drives the rotating shaft 16 and the third slide 20 to move along the third slide bar 18, so that the grinding head 14 is extended and retracted from the inside of the medical rubber tube 5, thereby quickly adjusting the extended length of the grinding head 14, thereby adjusting the depth of the grinding head 14 in the medullary cavity of the bone cyst, thereby avoiding excessive rotation and causing a large area of ​​cyst wall damage, thereby ensuring the accuracy and safety of the bone cyst medullary cavity wall breaking and bone grafting surgery.

[0035] Specifically, a PCB board 23 and a maintenance door 24 are provided on the handle 6 .

[0036] In this embodiment, it is convenient to control and maintain the electronic components inside the handle 6.

[0037] Before use, the electric telescopic rod 8 is driven, and the output end of the electric telescopic rod 8 drives the first slide 10 to move left and right along the first slide bar 11, thereby driving the position of the forward and reverse motor 17. The movement of the forward and reverse motor 17 drives the rotating shaft 16 and the third slide 20 to move along the third slide bar 18, so that the grinding head 14 is extended and retracted from the inside of the medical rubber tube 5, so as to quickly adjust the extended length of the grinding head 14, so as to adjust the depth of the grinding head 14 in the medullary cavity of the bone cyst. When in use, the channel tube 3 is inserted into the affected part of the patient where the liquid artificial bone needs to be punctured and injected, and the forward and reverse motor 17 is driven. The machine 17 drives the rotating shaft 16 to rotate, thereby driving the grinding head 14 to clean the cyst wall of the patient's affected part, thereby removing the necrotic tissue, inflammatory cells and other harmful substances on the cyst wall. After the cyst wall of the patient's affected part is freshened, according to the patient's condition and bone condition, a liquid artificial bone with good biocompatibility and bone conductivity is selected, and the liquid artificial bone is injected into the patient's affected part through the bone grafting tube 4; and during the injection process, the injection speed and pressure should be controlled to avoid damage to the surrounding tissues; finally, after the operation, the patient should be given appropriate postoperative care and rehabilitation guidance to ensure the surgical effect and patient satisfaction.

[0038] In summary, the bone cyst medullary cavity wall-breaking and bone-grafting device can quickly adjust the length of the grinding head 14 by setting the electric telescopic rod 8, the first slide 10, the first slide 11, the third slide 20 and the third slide 18, so as to adjust the depth of the grinding head 14 in the bone cyst medullary cavity, thereby avoiding the damage area of ​​the cyst wall caused by rotating too deep, and ensuring the accuracy and safety of the bone cyst medullary cavity wall-breaking and bone-grafting operation; by setting the forward and reverse motor 17, the rotating shaft 16 and the grinding head 14, the surface of the cyst wall can be quickly freshened before the liquid artificial bone is implanted, so as to provide a good environment for the subsequent artificial bone injection; the freshening treatment can improve the bonding ability between the artificial bone and the cyst wall, promote the regeneration and repair of bone tissue, and realize the minimally invasive treatment of bone cysts, with the advantages of small trauma and fast recovery. It also solves the shortcomings of the existing minimally invasive treatment, that is, the cyst wall cannot be completely freshened, so that the bone graft cannot fully induce osteogenesis, and avoids the disadvantages of multiple injections of liquid artificial bone.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bone cyst medullary cavity wall breaking and bone grafting device, comprising a handle (6), characterized in that: A control panel (7) is provided on the front of the handle (6); a micro electric telescopic rod (8) is fixedly installed on the inner left side wall of the handle (6) near the bottom; a second mounting seat (9) is fixedly installed on the inner bottom wall of the handle (6) near the center; a first mounting seat (12) is fixedly installed on the inner bottom wall of the handle (6) near the right side; first sliding bars (11) are fixedly installed on the left side of the first mounting seat (12) near the front and rear ends; the outer surfaces of the two first sliding bars (11) are movably sleeved with first slide tables (10); a forward and reverse motor (17) is fixedly installed on the top of the first slide table (10); an output end of the forward and reverse motor (17) is fixedly connected to a rotating shaft (16); an end of the rotating shaft (16) away from the forward and reverse motor (17) A grinding head (14) is fixedly connected, a bone grafting tube (4) is fixedly installed inside the handle (6), a channel tube (3) is fixedly connected to the right end of the handle (6), a third mounting seat (13) is fixedly installed at positions near the center on the left and right sides of the inner bottom wall of the channel tube (3), third sliding bars (18) are fixedly installed at positions near the front and rear ends on adjacent sides of the two third mounting seats (13), a third slide table (20) is movably sleeved on the outer surface of the third slide table (18), and ball bearings (19) are fixedly installed at positions near the left and right sides of the top of the third slide table (20), a medical rubber tube (5) is fixedly connected to the right side of the channel tube (3) near the bottom, a control panel (7) is arranged on the handle (6), and a power cord (1) is arranged on the handle (6).

2. A bone cyst medullary cavity wall breaking and bone grafting device according to claim 1, characterized in that: The left end of the bone grafting tube (4) passes through the inner left side wall of the handle (6) and is provided with a feeding end (22) (2); the bone grafting tube (4) is fixedly connected to the handle (6); the right side of the bone grafting tube (4) passes through the inner right side wall of the handle (6) near the top and the inside of the channel tube (3), and extends out of the right side of the mounting plate (15); the connection between the bone grafting tube (4) and the handle (6), the channel tube (3) and the mounting plate (15) is fixedly connected.

3. A bone cyst medullary cavity wall breaking and bone grafting device according to claim 1, characterized in that: The right end of the electric telescopic rod (8) is fixedly connected to the left side of the second mounting seat (9).

4. A bone cyst medullary cavity wall breaking and bone grafting device according to claim 1, characterized in that: The end of the rotating shaft (16) away from the forward and reverse motor (17) passes through the inner right wall of the handle (6), the interior of the two ball bearings (19) and the left side of the mounting plate (15) and extends to the interior of the medical rubber tube (5); the connection between the rotating shaft (16) and the handle (6), the mounting plate (15) and the medical rubber tube (5) is a movable sleeve connection; the connection between the rotating shaft (16) and the handle (6), the mounting plate (15) and the medical rubber tube (5) is provided with a sealing ring; the connection between the rotating shaft (16) and the two ball bearings (19) is a fixed connection.

5. The bone cyst medullary cavity wall breaking and bone grafting device according to claim 1, characterized in that: Limit switches (21) are fixedly installed on the left and right sides of the third slide (20) and the first slide (10).

6. A bone cyst medullary cavity wall breaking and bone grafting device according to claim 1, characterized in that: The left sides of the two first sliding bars (11) are respectively fixedly connected to the right side of the second mounting seat (9) at positions close to the front and rear ends.

7. A bone cyst medullary cavity wall breaking and bone grafting device according to claim 1, characterized in that: The output end of the electric telescopic rod (8) passes through the left side of the second mounting seat (9) and is fixedly connected to the left end of the first slide platform (10).

8. The bone cyst medullary cavity wall breaking and bone grafting device according to claim 1, characterized in that: The handle (6) is provided with a PCB board (23) and a maintenance door (24).

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