A bone filling device

By removing air bubbles through the vibration and tapping components of the bone filling device and gradually mixing the bone cement, the problem of decreased mechanical properties caused by air bubbles during the bone cement filling process is solved, thus improving the stability and strength of the prosthesis.

CN119970205BActive Publication Date: 2025-11-07SUZHOU MINGCHUANG MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202510262291.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-11-07
Estimated Expiration
2045-03-06

AI Technical Summary

Technical Problem

Existing bone cement is prone to generating air bubbles during the filling process, which leads to a decrease in its mechanical properties and increases the risk of prosthesis loosening or breakage.

Method used

The bone filling device includes a main module, a vibration module, a mixing module, and a feeding module. Through the cooperation of lifting components, striking components, actuating components, and vibration components, the bone cement is vibrated and struck to remove air bubbles. The liquid is added gradually through the setting of worm gear, worm wheel, and rotating roller to ensure full contact and uniform mixing of the bone cement.

Benefits of technology

It effectively removes air bubbles from bone cement, improves the strength and compactness of the prosthesis, reduces the risk of fracture, and ensures the stability of the prosthesis.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a bone filling device and belongs to the technical field of medical devices.The bone filling device comprises a main body module, a vibration module, a mixing module and a discharging module.The main body module comprises a mounting frame, a vibration tank is fixedly connected to the bottom of the inner wall of the mounting frame, a filling pipe is connected to the bottom of the vibration tank, a lifting groove is formed in the front end face of the mounting frame, a piston rod is slidably connected to the inside of the lifting groove, the bottom end of the piston rod extends into the inside of the vibration tank and is fixedly connected with a pressing plate.The setting of the lifting assembly, the knocking assembly, the pushing assembly, the vibration assembly and the driving assembly enables the internal vibration and external knocking of the bone cement, which is beneficial to the loosening of the bone cement and the floating of the bubbles, avoids the influence of the movement of the bubbles on the strength of the subsequent prosthesis, improves the quality of the bone cement injection and reduces the risk of subsequent fracture.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, more particularly to a bone filling device. BACKGROUND

[0002] Bone cement is a commonly used name for bone cement, which is a medical material used in orthopedic surgery. Due to its partial physical properties and the appearance and properties after setting, it is similar to the white cement used in construction and decoration, so it has such a popular name. In the medical field, in the case of vertebral compression fractures and the like, the loss of vertebral height and the decrease in spinal stability caused by fractures can be quickly restored by filling bone cement into the vertebral body, providing support for the vertebral body and preventing further deformity. When using bone cement, a corresponding filling device is usually used to fill the cement to the designated position.

[0003] According to the search, patent No. CN110539404A discloses a bone cement stirring and filling device, which comprises a stirring device, a filling device and a water injection assembly. The bottom of the stirring device is connected with the filling device, and the side of the stirring device is provided with the water injection assembly. The stirring device comprises a first cylinder, and the bottom of the first cylinder is provided with a necked portion. The filling device comprises a second cylinder, and the inside of the second cylinder is fixed with a steel wire filter screen through bolts. The inner wall of the steel wire filter screen is slidably connected with a piston. The top of the second cylinder is movably connected with a screw rod through a bearing. One end of the screw rod is connected with a knob. A screw hole is formed in the piston. The screw rod is screwed with the screw hole. The necked portion passes through the top outer wall of the second cylinder. The piston is annular. An active baffle is connected to the piston through a hinge. The active baffle is semicircular. The present application has the characteristics of time and labor saving and good stirring effect.

[0004] In view of the above related technology, the current bone cement is usually filled with the above device, but when the bone cement is stirred or filled into the filling position, the bone cement itself is easy to have many bubbles, and the staff is easy to fill the bubbles together. As internal defects, bubbles can significantly weaken the mechanical properties of bone cement, reduce its compressive, tensile and fatigue strength, increase the risk of prosthesis loosening or fracture, and the prosthesis filled with a large number of bubbles is easy to loosen subsequently. Therefore, a bone filling device is proposed. SUMMARY

[0005] In order to solve the above problems, the present application provides a bone filling device, which adopts the following technical scheme:

[0006] The utility model provides a bone filling device, including main module, vibration module, mixing module and blanking module, the main module includes the mounting frame, the bottom fixedly connected with vibration jar in the inner wall of mounting frame, the bottom of vibration jar is connected with filling pipe, the front end surface of mounting frame is equipped with lifting groove, the inside sliding connection of lifting groove has piston rod, the bottom of piston rod extends to the inside of vibration jar and is fixedly connected with the pressure plate, vibration module includes fixedly connected in the storage jar between the inner wall top and bottom of vibration jar, the inside sliding connection of storage jar has the pressure plate, the top of filling pipe is connected with the bottom of storage jar, be provided with valve on filling pipe, be provided with lifting assembly between the top and bottom of vibration jar inner wall, lifting assembly swing joint is in the inside of vibration jar, a plurality of knock assembly are arranged on lifting assembly top annularly at equal distance, a plurality of knock assembly all with the outer surface contact of storage jar, be provided with the knob component who connects a plurality of knock assembly on lifting assembly, knob component is connected with the inner wall of vibration jar, the inside of storage jar is provided with vibration component, vibration component extends to the top of vibration jar, the rear end surface of mounting frame is provided with drive component, drive component is connected with lifting assembly and vibration component.

[0007] Further, the lifting assembly comprises a first screw rod rotatably connected between the top and bottom of the inner wall of the vibration jar, the top end of the first screw rod extends to the top of the vibration jar and is fixedly connected with a first bevel gear, the inside of the vibration jar is slidingly connected with a hollow lifting ring, and the hollow lifting ring is threadedly connected with the outer surface of the first screw rod.

[0008] Further, the knock assembly comprises a square sleeve fixedly connected to the inner wall of the hollow lifting ring, a square movable rod movably connected to the inside of the square sleeve, a rolling ball movably connected to one end of the square movable rod, the outer surface of the rolling ball in contact with the outer surface of the storage jar, a first spring fixedly connected between the other end of the square movable rod and the inner wall of the square sleeve, a steering rod fixedly connected to the top of the square movable rod, a through slot formed in the top of the hollow lifting ring, the steering rod extending to the inside of the hollow lifting ring through the through slot, and a rolling column rotatably connected to one end of the steering rod.

[0009] Further, the knob component comprises a rotating ring rotatably connected to the bottom of the hollow lifting ring, a ratchet gear ring fixedly connected to the top of the rotating ring, the outer surface of the ratchet gear ring in contact with the rolling column, a conical gear ring fixedly connected to the bottom of the rotating ring, an installation plate fixedly connected to the bottom of the hollow lifting ring, an inner rotating rod rotatably connected to the inside of the installation plate, a small gear fixedly connected to one end of the inner rotating rod, an adapter rod rotatably connected to the outer surface of the installation plate, a large gear fixedly connected to one end of the adapter rod, a rack fixedly connected to the inner wall of the vibration jar, and the large gear meshing with the rack and the small gear.

[0010] Further, the dial assembly comprises an inner rotating disc fixedly connected to the other end of the inner rotating rod, the outer surface of the inner rotating disc is rotationally connected with a bevel gear disc, the outer surface of the bevel gear disc is engaged with a conical tooth ring, the outer surface of the inner rotating disc is provided with a mounting groove, the inside of the mounting groove is movably connected with a right trapezoidal block, the inner wall of the bevel gear disc is provided with a one-way groove, one end of the right trapezoidal block is movably clamped in the inside of the one-way groove, and the other end of the right trapezoidal block is fixedly connected with the inner wall of the mounting groove with a second spring.

[0011] Further, the vibration assembly comprises an inner vibration cylinder fixedly connected to the top of the vibration tank, the inner vibration cylinder extends to the inside of the storage tank, the inside of the inner vibration cylinder is rotationally connected with a second screw rod, the outer surface of the second screw rod is threadedly connected with a cross lifting block, the outer surface of the cross lifting block is slidably connected with the inner wall of the inner vibration cylinder, a plurality of vibration motors are fixedly installed in the inside of the cross lifting block, and the top end of the second screw rod extends to the top of the inner vibration cylinder and is fixedly connected with a second bevel gear.

[0012] Further, the driving assembly comprises a first motor fixedly connected to the rear end face of the mounting frame, the output shaft of the first motor extends to the inside of the vibration tank and is fixedly connected with a long rod, the outer surface of the long rod is fixedly connected with two third bevel gears, and the two third bevel gears are engaged with the second bevel gear and the first bevel gear respectively.

[0013] Further, the mixing module comprises a mixing cylinder arranged in the inside of the mounting frame, the bottom of the mixing cylinder is fixedly connected with an electric control valve pipe, the electric control valve pipe extends to the inside of the vibration tank and is connected with the storage tank, the outer surface of the mixing cylinder is fixedly connected with a liquid inlet pipe, the liquid inlet pipe extends to the outside of the mounting frame, the inside of the mixing cylinder is fixedly connected with a mounting disc, the inside of the mounting disc is rotationally connected with an agitating rod, the outer surface of the agitating rod is fixedly connected with a plurality of stirring blades, and the top end of the agitating rod is fixedly connected with a small bevel gear.

[0014] Further, the discharging module comprises a discharging pipe fixedly connected to the outer surface of the mixing cylinder, the top end of the discharging pipe is fixedly connected with a cylinder, the inside of the cylinder is rotationally connected with a rotating roller, the outer surface of the rotating roller is provided with a plurality of discharging grooves, the outer surface of the cylinder is fixedly connected with a discharging cylinder, the top end of the discharging cylinder is threadedly connected with a sealing cover, the outer surface of the cylinder is rotationally connected with a worm gear, and the worm gear is connected with the rotating roller.

[0015] Further, the discharging module further comprises a second motor fixedly connected to one side of the mounting frame, the output shaft of the second motor extends to the inside of the mounting frame and is fixedly connected with a worm, one end of the worm extends to the inside of the mixing cylinder and is fixedly connected with a large bevel gear, the large bevel gear is engaged with the small bevel gear, and the worm is engaged with the outer surface of the worm gear.

[0016] In summary, the present application includes the following beneficial technical effects:

[0017] (1) The present application can vibrate the bone cement internally and knock it externally through the setting of the lifting assembly, knocking assembly, poking assembly, vibrating assembly and driving assembly, so as to facilitate the loosening of the bone cement and the floating of the bubbles, avoid the influence of the subsequent prosthesis strength by the moving injection of the bubbles, improve the quality of the bone cement injection, and reduce the risk of subsequent fracture;

[0018] (2) The present application can gradually add bone cement to the liquid for mixing through the setting of the second motor, worm, worm gear, rotating roller and discharging cylinder, so that the bone cement powder and the liquid can be more fully and uniformly contacted and mixed, compared with mixing a large amount of powder and liquid at one time, gradually adding can make the liquid better infiltrate each bone cement powder particle, reduce the possibility of air bubbles due to local insufficient mixing;

[0019] (3) The present application can drive mixing and discharging synchronously through the setting of the worm, large taper teeth and small taper teeth, so that the two steps have continuity, the amount of discharging and the mixing speed can be highly adapted, which is beneficial to improve the mixing effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 is a schematic diagram of the cross-sectional structure of the present application;

[0022] Figure 3 is a schematic diagram of the cross-sectional structure of the vibrating tank of the present application;

[0023] Figure 4 is a schematic diagram of the cross-sectional structure of the vibrating tank of the present application; Figure 3

[0024] Figure 5 is a schematic diagram of the cross-sectional structure of the vibrating tank of the present application; Figure 3

[0025] Figure 6 is a schematic diagram of the position of the knocking assembly of the present application;

[0026] Figure 7 is a schematic diagram of the internal structure of the hollow lifting ring of the present application;

[0027] Figure 8 is a schematic diagram of the position of the taper tooth ring of the present application;

[0028] Figure 9 is a schematic diagram of the cross-sectional structure of the taper tooth disc and the knocking assembly of the present application;​​

[0029] Figure 10 Fig. 1 is a schematic diagram of the structure of the blanking module of the present application;

[0030] Figure 11 Fig. 2 is a schematic diagram of the internal structure of the mixing tank of the present application.

[0031] Fig. 3 is a legend of the drawing;

[0032] 100, main module; 110, mounting frame; 120, vibration tank; 130, filling pipe; 140, pressing plate; 150, piston rod;

[0033] 200, vibration module; 210, storage tank; 220, valve; 230, lifting assembly; 231, first screw; 232, first bevel gear; 233, hollow lifting ring; 240, knocking assembly; 241, square sleeve; 242, square movable rod; 243, ball; 244, first spring; 245, steering rod; 246, rolling column; 250, pushing assembly; 251, rotating ring; 252, ratchet wheel ring; 253, bevel gear ring; 254, mounting plate; 255, inner rotating rod; 256, pinion; 257, connecting rod; 258, large gear; 259, rack; 2510, inner rotating disc; 2511, bevel gear disc; 2512, second spring; 2513, right-angle trapezoidal block; 260, vibration assembly; 261, inner vibration cylinder; 262, second screw; 263, second bevel gear; 264, cross-shaped lifting block; 265, vibration motor; 270, driving assembly; 271, long rod; 272, third bevel gear; 273, first motor;

[0034] 300, mixing module; 310, mixing cylinder; 320, liquid inlet pipe; 330, mounting disc; 340, stirring rod; 350, stirring blade; 360, small bevel gear; 370, electrically-controlled valve pipe;

[0035] 400, blanking module; 410, cylinder; 420, blanking cylinder; 430, sealing cover; 440, blanking pipe; 450, rotating roller; 460, worm gear; 470, second motor; 480, worm; 490, large bevel gear. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] The following will be described in detail in combination with the accompanying drawings Figures 1-11 The present application will be further described in detail.

[0040] Please refer to Figures 1-11 A bone filling device, comprising a main body module 100, a vibration module 200, a mixing module 300 and a discharging module 400, the main body module 100 comprises a mounting frame 110, the bottom of the inner wall of the mounting frame 110 is fixedly connected with a vibration tank 120, the bottom of the vibration tank 120 is connected with a filling pipe 130, the front end face of the mounting frame 110 is provided with a lifting groove, the inside of the lifting groove is slidably connected with a piston rod 150, the bottom end of the piston rod 150 extends into the inside of the vibration tank 120 and is fixedly connected with a pressing plate 140, the vibration module 200 comprises a storage tank 210 fixedly connected between the top and bottom of the inner wall of the vibration tank 120, the pressing plate 140 is slidably connected in the inside of the storage tank 210, the top end of the filling pipe 130 is connected with the bottom of the storage tank 210, a valve 220 is arranged on the filling pipe 130, a lifting assembly 230 is arranged between the top and bottom of the inner wall of the vibration tank 120, the lifting assembly 230 is movably connected in the inside of the vibration tank 120, a plurality of knocking assemblies 240 are arranged in a ring shape at equal distances on the lifting assembly 230, the plurality of knocking assemblies 240 are in contact with the outer surface of the storage tank 210, a pushing assembly 250 connected with the plurality of knocking assemblies 240 is arranged on the lifting assembly 230, the pushing assembly 250 is connected with the inner wall of the vibration tank 120, a vibration assembly 260 is arranged in the inside of the storage tank 210, the vibration assembly 260 extends to the top of the vibration tank 120, a driving assembly 270 is arranged on the rear end face of the mounting frame 110, the driving assembly 270 is connected with the lifting assembly 230 and the vibration assembly 260.

[0041] In use, the bone cement will be located inside the storage tank 210, then the staff opens the drive assembly 270, the drive assembly 270 will drive the vibration assembly 260 and the lifting assembly 230 to reciprocating lifting operation, when the vibration assembly 260 lifts, the vibration assembly 260 will produce vibration, thereby the bone cement inside the storage tank 210 is vibrated, and each time the lifting assembly 230 rises, the driving assembly 250 will be driven to move, the driving assembly 250 moves and drives the plurality of knocking assemblies 240 to knock the outer surface of the storage tank 210, so that the internal vibration of the vibration assembly 260 plus the external knocking of the knocking assembly 240 can be beneficial to the floating of the bubbles in the bone cement, avoid the subsequent bubbles are injected, so that the prosthesis is more compact, improve the subsequent prosthesis strength, open the valve 220, then press the piston rod 150 to drive the pressing plate 140 to descend, the pressing plate 140 will press the bone cement into the filling pipe 130 and inject to the designated position.

[0042] The lifting assembly 230 comprises a first screw rod 231 rotatably connected between the top and bottom inner walls of the vibration tank 120, the top end of the first screw rod 231 extends to the top of the vibration tank 120 and is fixedly connected with a first bevel gear 232, and a hollow lifting ring 233 is slidably connected in the vibration tank 120, and the hollow lifting ring 233 is threadedly connected with the outer surface of the first screw rod 231.

[0043] So that the second screw rod 262 reciprocating rotates, the second bevel gear 263 drives the cross lifting block 264 to reciprocating lift, when the cross lifting block 264 reciprocating lifts, the vibration motor 265 will open to produce vibration, thereby the inner vibration cylinder 261 vibrates the bone cement inside the storage tank 210.

[0044] The knocking assembly 240 comprises a square sleeve 241 fixedly connected to the inner wall of the hollow lifting ring 233, the inside of the square sleeve 241 movably connected with a square movable rod 242, one end of the square movable rod 242 movably connected with a ball 243, the outer surface of the ball 243 in contact with the outer surface of the storage tank 210, the other end of the square movable rod 242 fixedly connected with the inner wall of the square sleeve 241 with a first spring 244, the top of the square movable rod 242 fixedly connected with a steering rod 245, the top of the hollow lifting ring 233 is provided with a through slot, the steering rod 245 extends to the inside of the hollow lifting ring 233 through the through slot, one end of the steering rod 245 rotatably connected with a rolling column 246, the knocking assembly 240 comprises a rotating ring 251 rotatably connected to the bottom of the hollow lifting ring 233, the top of the rotating ring 251 fixedly connected with a ratchet gear ring 252, the outer surface of the ratchet gear ring 252 in contact with the rolling column 246, the bottom of the rotating ring 251 fixedly connected with a tapered gear ring 253, the bottom of the hollow lifting ring 233 fixedly connected with a mounting plate 254, the inside of the mounting plate 254 rotatably connected with an inner rotating rod 255, one end of the inner rotating rod 255 fixedly connected with a pinion 256, the outer surface of the mounting plate 254 rotatably connected with a connecting rod 257, one end of the connecting rod 257 fixedly connected with a gear wheel 258, the inner wall of the vibration tank 120 fixedly connected with a rack 259, the gear wheel 258 meshed with the rack 259 and the pinion 256, the knocking assembly 240 comprises an inner rotating disc 2510 fixedly connected to the other end of the inner rotating rod 255, the outer surface of the inner rotating disc 2510 rotatably connected with a bevel gear disc 2511, the outer surface of the bevel gear disc 2511 meshed with the tapered gear ring 253, the outer surface of the inner rotating disc 2510 provided with a mounting slot, the inside of the mounting slot movably connected with a right-angled trapezoidal block 2513, the inner wall of the bevel gear disc 2511 provided with a one-way slot, one end of the right-angled trapezoidal block 2513 movably clamped in the inside of the one-way slot, the other end of the right-angled trapezoidal block 2513 fixedly connected with the second spring 2512 between the inner wall of the mounting slot, the knocking assembly 240 comprises an inner vibration cylinder 261 fixedly connected to the top of the vibration tank 120, the inner vibration cylinder 261 extends to the inside of the storage tank 210, the inside of the inner vibration cylinder 261 rotatably connected with a second screw rod 262, the outer surface of the second screw rod 262 threadedly connected with a cross lifting block 264, the outer surface of the cross lifting block 264 slidably connected with the inner wall of the inner vibration cylinder 261, a plurality of vibration motors 265 fixedly installed in the inside of the cross lifting block 264, the top end of the second screw rod 262 extends to the top of the inner vibration cylinder 261 and fixedly connected with a second bevel gear 263, the knocking assembly 240 comprises a first motor 273 fixedly connected to the rear end face of the mounting frame 110, the output shaft of the first motor 273 extends to the inside of the vibration tank 120 and fixedly connected with a long rod 271, the outer surface of the long rod 271 fixedly connected with two third bevel gears 272, the two third bevel gears 272 respectively meshed with the second bevel gear 263 and the first bevel gear 232.

[0045] Open the first motor 273, the first motor 273 will drive two third bevel gear 272 through the long rod 271, two third bevel gear 272 will drive the first bevel gear 232 and the second bevel gear 263 respectively to reciprocating rotation, so that the first screw rod 231 and the second screw rod 262 reciprocating rotation, so that the first screw rod 231 and the second bevel gear 263 drive cross lift block 264 and hollow lift ring 233 respectively to reciprocating lifting, when the cross lift block 264 reciprocating lifting, the vibration motor 265 will open to produce vibration, so that the inner vibration cylinder 261 to the bone cement inside the storage tank 210 vibration, and each time in the hollow lift ring 233 rises, the gear 258 will be on the outer surface of the rack 259 rolling, gear 258 will accelerate drive pinion 256, pinion 256 will drive the inner rotating disc 2510 through the inner rotating rod 255 rotation, the inner rotating disc 2510 through the right angle trapezoidal block 2513 drive bevel gear disc 2511 rotation, so that the bevel gear disc 2511 drive conical gear ring 253 drive rotating ring 251 rotation, rotating ring 251 will drive the ratchet gear ring 252 rotation, ratchet gear ring 252 in rotation, the rolling column 246 will be on the slope of the outer surface of the ratchet gear ring 252 rolling, so that the steering rod 245 pull square movable rod 242 compression first spring 244, the subsequent rolling column 246 through the elastic force of the first spring 244 rebound quickly drive the ball 243 knock the outer surface of the storage tank 210, through the rotation of the ratchet gear ring 252, the ball 243 will be repeated knock, so that the internal vibration of the vibration assembly 260 plus the external knocking of the knocking assembly 240, can be beneficial to the bubble in the bone cement float, avoid the subsequent bubble is injected, so that the prosthesis is more compact, improve the subsequent prosthesis strength.

[0046] The mixing module 300 comprises a mixing cylinder 310 arranged inside the mounting frame 110, the bottom of the mixing cylinder 310 is fixedly connected with an electric control valve pipe 370, the electric control valve pipe 370 extends to the inside of the vibration tank 120 and is connected with the storage tank 210, the outer surface of the mixing cylinder 310 is fixedly connected with a liquid inlet pipe 320, the liquid inlet pipe 320 extends to the outside of the mounting frame 110, the inside of the mixing cylinder 310 is fixedly connected with a mounting disc 330, the inside of the mounting disc 330 is rotatably connected with an agitating rod 340, the outer surface of the agitating rod 340 is fixedly connected with a plurality of stirring blades 350, the top end of the agitating rod 340 is fixedly connected with a small bevel gear 360, the blanking module 400 comprises a blanking pipe 440 fixedly connected to the outer surface of the mixing cylinder 310, the top end of the blanking pipe 440 is fixedly connected with a cylinder 410, the inside of the cylinder 410 is rotatably connected with a rotating roller 450, the outer surface of the rotating roller 450 is provided with a plurality of blanking grooves, the outer surface of the cylinder 410 is fixedly connected with a blanking cylinder 420, the top end of the blanking cylinder 420 is threadedly connected with a sealing cover 430, the outer surface of the cylinder 410 is rotatably connected with a worm gear 460, the worm gear 460 is connected with the rotating roller 450, the blanking module 400 further comprises a second motor 470 fixedly connected to one side of the mounting frame 110, the output shaft of the second motor 470 extends to the inside of the mounting frame 110 and is fixedly connected with a worm 480, one end of the worm 480 extends to the inside of the mixing cylinder 310 and is fixedly connected with a large bevel gear 490, the large bevel gear 490 is engaged with the small bevel gear 360, the worm 480 is engaged with the outer surface of the worm gear 460.

[0047] The liquid to be mixed with the bone cement is injected into the inside of the mixing cylinder 310 through the liquid inlet pipe 320, then the staff member fills the bone cement powder into the blanking cylinder 420, then covers the sealing cover 430, turns on the second motor 470, the second motor 470 will drive the worm 480, the worm 480 will drive the worm gear 460 to drive the rotating roller 450 to rotate, the rotating roller 450 gradually feeds the inside of the mixing cylinder 310 through the blanking grooves and the blanking pipe 440, at the same time, the large bevel gear 490 will drive the agitating rod 340 to rotate rapidly through the small bevel gear 360, the agitating rod 340 will drive the plurality of stirring blades 350 to rotate to mix the bone cement in the inside of the mixing cylinder 310, gradually adding the bone cement powder for mixing can effectively reduce the air bubbles in the subsequent bone cement, after the mixing is completed, the electric control valve pipe 370 is opened, the mixed bone cement will enter the inside of the storage tank 210.

[0048] The implementation principle of the embodiment of the application is as follows: in use, liquid that needs to be mixed with bone cement is injected into the inside of the mixing cylinder 310 through the liquid inlet pipe 320, then the staff member loads the bone cement powder into the discharging cylinder 420, then the sealing cover 430 is covered, the second motor 470 is turned on, the second motor 470 drives the worm 480, the worm 480 drives the worm wheel 460 to drive the rotating roller 450 to rotate, the rotating roller 450 gradually feeds the inside of the mixing cylinder 310 through the discharging groove and the discharging pipe 440, and the large bevel gear 490 drives the stirring rod 340 to rotate quickly through the small bevel gear 360, the stirring rod 340 drives the plurality of stirring blades 350 to rotate to mix the bone cement in the inside of the mixing cylinder 310, and gradually adding the bone cement powder for mixing can effectively reduce the bubbles in the subsequent bone cement, after the mixing is completed, the electric control valve pipe 370 is opened, the mixed bone cement enters the inside of the storage tank 210, then the staff member turns on the first motor 273, the first motor 273 drives the two third bevel gears 272 through the long rod 271, the two third bevel gears 272 drive the first bevel gear 232 and the second bevel gear 263 to reciprocatingly rotate, so that the first screw rod 231 and the second screw rod 262 reciprocatingly rotate, so that the first screw rod 231 and the second bevel gear 263 drive the cross-shaped lifting block 264 and the hollow lifting ring 233 to reciprocatingly lift, when the cross-shaped lifting block 264 reciprocatingly lifts, the vibration motor 265 is opened to generate vibration, so that the inner vibration cylinder 261 vibrates the bone cement in the inside of the storage tank 210, and every time the hollow lifting ring 233 rises, the large gear 258 rolls on the outer surface of the rack 259, the large gear 258 drives the pinion 256 to accelerate, the pinion 256 drives the inner rotating disc 2510 to rotate through the inner rotating rod 255, the inner rotating disc 2510 drives the bevel gear disc 2511 to rotate through the right-angle trapezoidal block 2513, so that the bevel gear disc 2511 drives the conical gear ring 253 to drive the rotating ring 251 to rotate, the rotating ring 251 drives the ratchet gear ring 252 to rotate, when the ratchet gear ring 252 rotates, the rolling column 246 rolls on the slope on the outer surface of the ratchet gear ring 252, so that the rotating lever 245 pulls the square movable rod 242 to compress the first spring 244, the subsequent rolling column 246 rebounds quickly through the elastic force of the first spring 244 to drive the rolling ball 243 to knock the outer surface of the storage tank 210, through the rotation of the ratchet gear ring 252, the rolling ball 243 will repeatedly knock, so that the inside of the vibration assembly 260 vibrates and the outside of the knocking assembly 240 knocks, which can be beneficial to the floating of the bubbles in the bone cement, avoids the subsequent bubbles from being injected, makes the prosthesis more compact, and improves the strength of the subsequent prosthesis, and when the hollow lifting ring 233 descends, the large gear 258 reversely rotates on the outer surface of the rack 259, and at this time, since the ratchet gear ring 252 cannot reversely rotate, the inner rotating disc 2510 idles in the inside of the bevel gear disc 2511, the right-angle trapezoidal block 2513 is received into the inside of the mounting groove,After the vibration is completed, the valve 220 is opened, and then the piston rod 150 is pressed to drive the pressing plate 140 to descend, and the pressing plate 140 will press the bone cement into the filling pipe 130 and inject it to the designated position.

[0049] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A bone filling device comprising a main module (100), a vibration module (200), a mixing module (300) and a dispensing module (400), characterized in that: The main module (100) includes a mounting frame (110), the bottom of the inner wall of the mounting frame (110) is fixedly connected with a vibration tank (120), the bottom of the vibration tank (120) is connected with a filling pipe (130), the front end face of the mounting frame (110) is provided with a lifting groove, the inside of the lifting groove is slidably connected with a piston rod (150), the bottom end of the piston rod (150) extends into the inside of the vibration tank (120) and is fixedly connected with a pressing plate (140); The vibration module (200) includes a storage tank (210) fixedly connected between the top and bottom of the inner wall of the vibration tank (120), the pressing plate (140) is slidably connected in the inside of the storage tank (210), the top end of the filling pipe (130) is connected with the bottom of the storage tank (210), the filling pipe (130) is provided with a valve (220), the top and bottom of the inner wall of the vibration tank (120) is provided with a lifting assembly (230), the lifting assembly (230) is movably connected in the inside of the vibration tank (120), a plurality of knocking assemblies (240) are arranged at equal distances in the ring shape on the lifting assembly (230), the plurality of knocking assemblies (240) are in contact with the outer surface of the storage tank (210), the lifting assembly (230) is provided with a poking assembly (250) connected with the plurality of knocking assemblies (240), the poking assembly (250) is connected with the inner wall of the vibration tank (120), the inside of the storage tank (210) is provided with a vibration assembly (260), the vibration assembly (260) extends to the top of the vibration tank (120), the rear end face of the mounting frame (110) is provided with a driving assembly (270), the driving assembly (270) is connected with the lifting assembly (230) and the vibration assembly (260); The lifting assembly (230) includes a first screw rod (231) rotatably connected between the top and bottom of the inner wall of the vibration tank (120), the top end of the first screw rod (231) extends to the top of the vibration tank (120) and is fixedly connected with a first bevel gear (232), the inside of the vibration tank (120) is slidably connected with a hollow lifting ring (233), the hollow lifting ring (233) is threadedly connected with the outer surface of the first screw rod (231); The knocking assembly (240) comprises a square sleeve (241) fixedly connected to the inner wall of the hollow lifting ring (233), the inside of the square sleeve (241) movably connected with a square movable rod (242), one end of the square movable rod (242) movably connected with a ball (243), the outer surface of the ball (243) in contact with the outer surface of the storage tank (210), the other end of the square movable rod (242) and the inner wall of the square sleeve (241) fixedly connected with a first spring (244), the top of the square movable rod (242) fixedly connected with a steering rod (245), the top of the hollow lifting ring (233) is provided with a through slot, the steering rod (245) extends to the inside of the hollow lifting ring (233) through the through slot, one end of the steering rod (245) rotatably connected with a rolling column (246); The dialing assembly (250) comprises a rotating ring (251) rotatably connected to the bottom of the hollow lifting ring (233), the top of the rotating ring (251) fixedly connected with a ratchet gear ring (252), the outer surface of the ratchet gear ring (252) in contact with the rolling column (246), the bottom of the rotating ring (251) fixedly connected with a tapered gear ring (253), the bottom of the hollow lifting ring (233) fixedly connected with a mounting plate (254), the inside of the mounting plate (254) rotatably connected with an inner rotating rod (255), one end of the inner rotating rod (255) fixedly connected with a pinion (256), the outer surface of the mounting plate (254) rotatably connected with a connecting rod (257), one end of the connecting rod (257) fixedly connected with a gear wheel (258), the inner wall of the vibrating tank (120) fixedly connected with a rack (259), the gear wheel (258) meshing with the rack (259) and the pinion (256).

2. A bone filler device according to claim 1, wherein: The dialing assembly (250) comprises an inner rotating disc (2510) fixedly connected to the other end of the inner rotating rod (255), the outer surface of the inner rotating disc (2510) rotatably connected with a bevel gear disc (2511), the outer surface of the bevel gear disc (2511) meshing with the tapered gear ring (253), the outer surface of the inner rotating disc (2510) provided with a mounting groove, the inside of the mounting groove movably connected with a right trapezoidal block (2513), the inner wall of the bevel gear disc (2511) provided with a one-way groove, one end of the right trapezoidal block (2513) movably clamped in the one-way groove, the other end of the right trapezoidal block (2513) and the inner wall of the mounting groove fixedly connected with a second spring (2512).

3. A bone filler device according to claim 2, wherein: The vibration assembly (260) comprises an inner vibration cylinder (261) fixedly connected at the top of the vibration tank (120), which extends to the inside of the storage tank (210), a second screw rod (262) is rotatably connected to the inside of the inner vibration cylinder (261), a cross lifting block (264) is threadedly connected to the outer surface of the second screw rod (262), the outer surface of the cross lifting block (264) is slidably connected with the inner wall of the inner vibration cylinder (261), a plurality of vibration motors (265) are fixedly installed in the inside of the cross lifting block (264), and the top end of the second screw rod (262) extends to the top of the inner vibration cylinder (261) and is fixedly connected with a second bevel gear (263).

4. A bone augmentation device according to claim 3, characterized in that: The driving assembly (270) comprises a first motor (273) fixedly connected to the rear end face of the mounting frame (110), the output shaft of the first motor (273) extends to the inside of the vibration tank (120) and is fixedly connected with an elongated rod (271), the outer surface of the elongated rod (271) is fixedly connected with two third bevel gears (272), and the two third bevel gears (272) are respectively engaged with the second bevel gear (263) and the first bevel gear (232).

5. A bone augmentation device according to claim 4, characterized in that: The mixing module (300) comprises a mixing cylinder (310) arranged in the inside of the mounting frame (110), an electric control valve pipe (370) is fixedly connected to the bottom of the mixing cylinder (310), the electric control valve pipe (370) extends to the inside of the vibration tank (120) and is connected with the storage tank (210), a liquid inlet pipe (320) is fixedly connected to the outer surface of the mixing cylinder (310), the liquid inlet pipe (320) extends to the outside of the mounting frame (110), an installation disc (330) is fixedly connected to the inside of the mixing cylinder (310), a stirring rod (340) is rotatably connected to the inside of the installation disc (330), a plurality of stirring blades (350) are fixedly connected to the outer surface of the stirring rod (340), and a small bevel gear (360) is fixedly connected to the top end of the stirring rod (340).

6. A bone augmentation device according to claim 5, characterized in that: The discharging module (400) comprises a discharging pipe (440) fixedly connected to the outer surface of the mixing cylinder (310), a cylinder (410) is fixedly connected to the top end of the discharging pipe (440), a rotating roller (450) is rotatably connected to the inside of the cylinder (410), a plurality of discharging grooves are formed in the outer surface of the rotating roller (450), a discharging cylinder (420) is fixedly connected to the outer surface of the cylinder (410), a sealing cover (430) is threadedly connected to the top end of the discharging cylinder (420), a worm wheel (460) is rotatably connected to the outer surface of the cylinder (410), and the worm wheel (460) is connected with the rotating roller (450).

7. A bone augmentation device according to claim 6, characterized in that: The blanking module (400) further comprises a second motor (470) fixedly connected to one side of the mounting frame (110), an output shaft of the second motor (470) extends to the inside of the mounting frame (110) and is fixedly connected with a worm (480), one end of the worm (480) extends to the inside of the mixing cylinder (310) and is fixedly connected with a large bevel gear (490), the large bevel gear (490) is engaged with the small bevel gear (360), and the worm (480) is engaged with the outer surface of the worm gear (460).

Citation Information

Patent Citations

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    CN110539404A

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    CN105147384A

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    CN119017506A