Accurate cutting equipment for allogeneic bone processing

Abstract

The invention discloses precise cutting equipment for allogeneic bone machining, which comprises an ultrasonic osteotome and an allogeneic bone clamping piece, the ultrasonic osteotome comprises a replaceable cutting tool bit, and an ultrasonic vibration generator acting on the cutting tool bit is arranged in the ultrasonic osteotome; a runner pipe is embedded in the upper portion of one side of the ultrasonic osteotome, electrode connectors are arranged at the two ends of the runner pipe respectively, and quantitative liquid expansion metal is contained in the runner pipe. Bone tissue is stably clamped through clamping jaws of the allogeneic bone clamping piece under the action of a pressing disc and a spring piece, a rotating sleeve drives a threaded disc to rotate under pushing of liquid, the extending length of an adjusting fan blade of an adjusting mechanism changes along with changes of centrifugal force, and the clamping force is enhanced when high-density bones are cut in cooperation with changes of the flow speed of the liquid; meanwhile, the bone residues are taken away from the cutting area by the liquid expanding the flowing direction, so that the bone residues are prevented from being sucked away during cutting, the bone residues are prevented from being embedded into bone gaps, the inflammatory reaction risk is reduced, and the bone healing efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of medical devices, specifically to a precision cutting device for processing allogeneic bone. Background Technology

[0002] Allogeneic bone is an important transplant material in the field of orthopedics. It refers to donated bone tissue derived from the same species, which, after rigorous screening, processing, and treatment, is used to repair bone defects and reconstruct bone structures in patients. Precision cutting equipment for allogeneic bone processing is a key piece of equipment in the field of orthopedic medical devices, specifically designed for the precise cutting, shaping, and processing of allogeneic bone grafts. Its core function is to transform donated allogeneic bone into bone grafts that meet the needs of clinical surgery through mechanical processing, providing safe and suitable transplant materials for orthopedic surgery.

[0003] When cutting this type of allogeneic bone, the cutting site generates high heat instantaneously. Excessive heat can damage bone cells, reducing the bioactivity of the allogeneic bone and causing damage to the inorganic component hydroxyapatite. This weakens the bone induction capacity of the bone graft and reduces the postoperative bone healing efficiency. However, when using an ultrasonic bone scalpel that generates lower temperatures to cut cancellous bone or porous allogeneic bone, bone fragments are easily washed away and embedded in the trabecular bone spaces, which can lead to inflammatory reactions, delay osteoconduction and bone healing processes, and thus reduce the effectiveness of allogeneic bone transplantation.

[0004] Therefore, a precision cutting device for processing allogeneic bone is proposed. Summary of the Invention

[0005] The purpose of this invention is to provide a precision cutting device for allogeneic bone processing, in order to solve the problems mentioned in the background art, such as the local instantaneous generation of high heat during cutting, which can lead to bone cell damage when the heat is too high, weakening the osteoinductive ability of bone grafts, and the risk that bone fragments are easily washed into the gaps between bone trabeculae when cutting cancellous bone or porous allogeneic bone using ultrasonic bone cutters that generate lower temperatures, thereby causing inflammatory reactions, delaying osteoconduction and bone healing processes.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A precision cutting device for processing allogeneic bone includes an ultrasonic bone scalpel and an allogeneic bone clamp. The ultrasonic bone scalpel includes a replaceable cutting head, and the ultrasonic bone scalpel is equipped with an ultrasonic vibration generator that acts on the cutting head. The allogeneic bone clamping device includes a clamp for clamping the allogeneic bone and a connecting sleeve for mounting the clamp. One end of the clamp is fitted with a pressure rod of interchangeable length and shape. One end of the connecting sleeve is fitted with a pressure plate. A rotating sleeve is fitted and limited to the inner side of the connecting sleeve, and a threaded disc is fixedly mounted around the outer side of the rotating sleeve at equal intervals. An adjustment mechanism is fixedly mounted at one end of the rotating sleeve. The adjustment mechanism includes a mounting sleeve fixedly installed on a rotating sleeve. A spring kit is equidistantly fitted on the inner side of the mounting sleeve. An adjustment fan is equidistantly provided on the outer side of the mounting sleeve. A connecting rod is fixedly installed in the middle of the inner side of the adjustment fan, and one end of the connecting rod is fitted into the spring kit.

[0007] In the above scheme, preferably: a fixing rod is vertically fixedly installed in the middle of one side of the pressure plate; a limiting sleeve platform for limiting the movement of the fixing rod is fixedly installed in one side of the connecting sleeve; one side of the rotating sleeve is fitted and movable inside the limiting sleeve platform; a spring member for generating tension is fixedly connected inside the limiting sleeve platform; and both ends of the spring member are fixedly connected to the limiting sleeve platform and the fixing rod, respectively; and a mounting base is fixedly connected in one side of the connecting sleeve.

[0008] In the above scheme, preferably: a support pipe is connected to a fixed pipe on one side of the mounting base, and the support pipe is fixedly connected to the cutting box provided below. The rotating sleeve and the threaded disc are located at one end inside the mounting base, and the allogeneic bone clamp is installed inside the cutting box through the mounting base.

[0009] In the above scheme, preferably: a three-axis slide is fixedly installed on one side of the cutting box. The three-axis slide includes two servo motors for horizontal and vertical driving, and a rotating screw is fixedly connected to the main shaft of each servo motor. Limiting support rods are provided on both sides of the rotating screws, and a translation slide is nested and movably installed on each limiting support rod.

[0010] In the above scheme, preferably: each of the inner sides of the translation slide is provided with a transmission slider that matches the rotating screw; a multi-stage hydraulic rod is fixedly installed on one of the translation slides; and the ultrasonic bone scalpel is installed inside the cutting box by fitting it to one end of the multi-stage hydraulic rod; a hydraulic pump is fixedly installed on one side of the multi-stage hydraulic rod and is connected to the multi-stage hydraulic rod.

[0011] In the above scheme, preferably: convex lenses for observation and transparent setting are fixedly installed on both sides of the inside of the cutting box; a control panel connected to the control host is fixedly installed on one side of the outside of the cutting box; a centrifugal pump fixedly connected to the cutting box is provided below the support tube, and the centrifugal pump passes through the bottom of the cutting box and is connected to the support tube; a servo motor is driven and installed on one side of the centrifugal pump, and a power adapter is fixedly connected below the servo motor.

[0012] In the above scheme, preferably, the power adapter is electrically connected to the control panel, servo motor, servo pump and hydraulic pump, and the control panel is signal connected to the ultrasonic bone scalpel, servo motor, hydraulic pump and servo pump.

[0013] In the above scheme, preferably: an integrated purifier for filtration is fixedly connected to the other side of the centrifugal pump, and a connecting pipe for connecting to the cutting box is fixedly connected to one side of the integrated purifier. A support foot for support is fixedly connected to the lower side of one side of the cutting box. A waterproof cover is glued to the inside of the cutting box, and the cover is sealed with the ultrasonic bone scalpel.

[0014] This invention provides a precision cutting device for processing allogeneic bone, which has the following technical features and beneficial effects: This invention, through the design of a pressure plate, a rotating sleeve, and a threaded disc, achieves adaptive clamping and bone debris removal functions for allogeneic bone of different densities. The jaws of the allogeneic bone clamping component stably clamp the bone tissue under the action of the pressure plate and spring components. The rotating sleeve drives the threaded disc to rotate under the propulsion of the liquid. The adjusting fan of the adjusting mechanism changes its extension length according to the centrifugal force, which, in conjunction with the change of liquid flow rate, enhances the clamping force when cutting high-density bone. At the same time, the outward-expanding liquid flow carries bone debris away from the cutting area, preventing bone debris from being sucked away during cutting, thus preventing it from embedding in the bone interstitial space, reducing the risk of inflammatory response, and improving bone healing efficiency.

[0015] This invention designs a pressure plate, a rotating sleeve, and a threaded disc. By immersing the allogeneic bone in the liquid within the cutting chamber, the vibrations generated during cutting are transmitted to the liquid. The buffering effect of the liquid reduces the impact of vibration on cutting accuracy. Furthermore, the directional circulation of the liquid within the cutting chamber through the mounting base and connecting pipes reduces the localized high temperatures generated by the ultrasonic bone scalpel during cutting, preventing thermal damage to bone tissue and ensuring the stability and safety of the cutting process.

[0016] 3. This invention designs a three-axis slide, multi-stage hydraulic rods, and hydraulic pump. The servo motor of the three-axis slide drives the rotating screw, which in turn moves the slide and the multi-stage hydraulic rods to precisely adjust the cutting path and depth of the ultrasonic bone scalpel, thereby improving cutting accuracy. The circulating cooling liquid is directionally flowed within the cutting chamber by a centrifugal pump and is purified by an integrated purifier before being recycled. The liquid not only reduces local high temperatures but also buffers cutting vibrations. Combined with real-time observation through a convex lens, it ensures the stability and safety of the cutting process, meeting the clinical needs for cutting and shaping bone grafts. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structural layout of the cutting box in this invention; Figure 3 This is a partial structural diagram of the three-axis slide table in this invention; Figure 4 This is a partial cross-sectional view of the mounting base in this invention; Figure 5 This is a partial structural schematic diagram of the allogeneic bone clamping device in this invention; Figure 6 This is a partial structural diagram of the threaded disc in this invention; Figure 7 This is a partial structural diagram of the connecting sleeve in this invention; Figure 8 For the present invention Figure 6 A magnified view of the local structure at point A in the middle.

[0018] In the diagram: 1. Cutting box; 101. Fabric covering; 2. Three-axis slide table; 201. Servo motor; 202. Limit support rod; 203. Translation slide table; 204. Multi-stage hydraulic rod; 205. Hydraulic pump; 206. Rotary screw; 3. Mounting base; 301. Support tube; 4. Convex lens; 5. Control panel; 6. Servo motor; 7. Power adapter; 8. Centrifugal pump; 9. Integrated purifier; 10. Connecting pipe; 1 1. Support foot; 12. Ultrasonic bone scalpel; 13. Allogeneic bone clamp; 1301. Pressure plate; 1302. Clamping claw; 1303. Pressure rod; 13031. Fixing rod; 1304. Connecting sleeve; 13041. Limiting platform; 1305. Rotating sleeve; 1306. Threaded disc; 14. Adjustment mechanism; 1401. Mounting sleeve; 1402. Spring assembly; 1403. Adjusting fan blade; 1404. Connecting rod. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figures 1 to 8 This invention provides a technical solution for a precision cutting device for processing allogeneic bone: As one embodiment of the present invention, such as Figures 1 to 8 As shown, a precision cutting device for processing allogeneic bone includes an ultrasonic bone scalpel 12 and an allogeneic bone clamping component 13. The ultrasonic bone scalpel 12 includes a replaceable cutting head, and the ultrasonic bone scalpel 12 is equipped with an ultrasonic vibration generator that acts on the cutting head. The allogeneic bone clamping component 13 includes a jaw 1302 for clamping the allogeneic bone and a connecting sleeve 1304 for mounting the jaw 1302. One end of the jaw 1302 is fitted with a pressure rod 1303 of replaceable length and shape. One end of the connecting sleeve 1304 is fitted with a pressure plate 1301. The inner side of the connecting sleeve 1304 is fitted with a rotating sleeve 1305 for limiting and movably mounting. The outer side of the rotating sleeve 1305 is equidistantly and fixedly mounted with a threaded disc 1306. One end of the rotating sleeve 1305 is fixedly mounted with an adjustment mechanism 14. The adjustment mechanism 14 includes a mounting sleeve 1401 fixedly mounted on a rotating sleeve 1305. A spring assembly 1402 is equidistantly fitted on the inner side of the mounting sleeve 1401. An adjustment fan 1403 is equidistantly provided on the outer side of the mounting sleeve 1401. A connecting rod 1404 is fixedly installed in the middle of the inner side of the adjustment fan 1403, and one end of the connecting rod 1404 is fitted into the spring assembly 1402. During operation, high-frequency vibrations are generated by the ultrasonic vibration generator inside the ultrasonic bone scalpel 12 and transmitted to the cutting head, causing the cutting head to perform grinding-like cutting of the allogeneic bone with a small amplitude. When the servo motor 6 drives the centrifugal pump 8, the liquid used for cooling and cleaning in the cutting box 1 is drawn out through the mounting base 3 and the support pipe 301. As the liquid flows out of the mounting base 3, the liquid in the cutting box 1 enters the mounting base 3 through the connecting sleeve 1304. The liquid outside the connecting sleeve 1304 acts on the other side of the pressure plate 1301 under the flow replenishment. After being obstructed, the liquid flows outward from the pressure plate 1301. The liquid flows outward to form an outward flow direction, while the allogeneic bone is cut on the other side of the pressure plate 1301. When the bone fragments generated during the cutting are cut, they are carried away from the cutting area by the outward flow direction of the liquid, thus avoiding the static accumulation of bone fragments. This also improves the situation where bone fragments are washed into the bone pores and bone gaps when cutting cancellous bone or porous allogeneic bone. When the liquid flows in the mounting base 3, the liquid generates a rotational frictional driving force on the threaded disc 1306, so that the rotating sleeve 1305 is limited to rotation in the connecting sleeve 1304 through the threaded disc 1306. When the rotating sleeve 1305 rotates, it drives the adjusting mechanism 14 at one end to rotate synchronously. The centrifugal force generated by the rotation of the adjusting mechanism 14 causes the adjusting vane 1403 to extend from the mounting sleeve 1401 after overcoming the elastic resistance of the spring assembly 1402 on the connecting rod 1404. This changes the distance between the adjusting vane 1403 and the inner wall of the mounting base 3. When the ultrasonic bone scalpel 12 is cutting allogeneic bone with high bone density, the control panel 5 receives a signal from the control host and sends an increase power command to the servo motor 6. At this time, the servo motor 6 increases its speed, driving the centrifugal pump 8 to operate more efficiently. With the flow space of the liquid in the mounting base 3 remaining unchanged, the flow rate increases and the flow velocity accelerates. The increased liquid flow velocity in the mounting base 3 increases the force of the liquid on the threaded disc 1306, thereby increasing the rotation speed. At this time, the centrifugal force on the adjusting vane 1403 increases, thereby driving the adjusting vane 1403 to extend from the mounting sleeve 1401. As the fan blade 1403 gradually approaches the inner wall of the mounting base 3 until it is fully extended and held, the flow rate of the liquid flow path connecting sleeve 1304 increases, thereby generating a negative pressure suction on one side of the pressure plate 1301 and a hydraulic thrust on the other side of the pressure plate 1301. This causes the pressure plate 1301 to further retract into the limiting sleeve 13041 and apply pressure to the pressure rod 1303, so that the clamping jaw 1302 can be further clamped by the pressure rod 1303, thereby improving the clamping degree of the clamping jaw 1302 when the force increases during the cutting of high-density allogeneic bone. With the increased flow rate of the liquid flow path connecting sleeve 1304 and the pressure plate 1301, the efficiency of removing bone debris generated during the cutting of high-density allogeneic bone is improved. Furthermore, by adjusting the liquid flow rate and rotation speed when cutting allogeneic bone of different densities, the clamping force and bone debris removal effect during cutting can be achieved. Secondly, by immersing the allogeneic bone in the liquid inside the cutting chamber 1, the vibration generated during cutting is transmitted to the liquid. Through the buffering effect of the liquid, the impact of vibration on cutting accuracy is reduced. Furthermore, by directional circulation of the liquid within the cutting chamber 1 through the mounting base 3 and connecting pipe 10, the local high temperature generated by the ultrasonic bone scalpel 12 during cutting is reduced, preventing thermal damage to bone tissue and ensuring the stability and safety of the cutting process.

[0021] As one embodiment of the present invention, such as Figures 4 to 7 As shown, a fixing rod 13031 is vertically fixedly installed in the middle of one side of the pressure plate 1301. A limiting sleeve 13041 for limiting the movement of the fixing rod 13031 is fixedly installed in one side of the connecting sleeve 1304. The rotating sleeve 1305 is located inside the limiting sleeve 13041 and is fitted and movable. A spring that generates tension is fixedly connected inside the limiting sleeve 13041. The two ends of the spring are fixedly connected to the limiting sleeve 13041 and the fixing rod 13031, respectively. A mounting base 3 is fixedly connected in one side of the connecting sleeve 1304. A support tube 301 is fixedly connected to the lower side of the mounting base 3. The support tube 301 is fixedly connected to the cutting box 1 located below. The rotating sleeve 1305 and the threaded disc 1306 are located at one end inside the mounting base 3. The allogeneic bone clamp 13 is installed inside the cutting box 1 through the mounting base 3. During operation, the tension between the spring in the limiting sleeve 13041 and the fixing rod 13031 keeps the fixing rod 13031 embedded in the limiting sleeve 13041, and the pressure plate 1301 exerts stable pressure on the pressure rod 1303. Since one end of the gripper 1302 is engaged and movably connected to the connecting sleeve 1304, when the pressure plate 1301 exerts pressure on the pressure rod 1303, the gripper 1302 will converge towards the central axis of the pressure plate 1301 to clamp the allogeneic bone. The clamping force of the gripper 1302 on the allogeneic bone avoids the cutting error caused by bone slippage when the ultrasonic bone scalpel 12 cuts the allogeneic bone, thus maintaining the stability during cutting. At the same time, since the fixing rod 13031 is engaged and movably installed in the limiting sleeve 13041, it prevents the rotating sleeve 1305 from rotating in the connecting sleeve 1304 and causing the pressure rod 1303 to rotate.

[0022] As one embodiment of the present invention, such as Figures 1 to 3As shown, a three-axis slide table 2 is fixedly installed on one side of the cutting box 1. The three-axis slide table 2 includes two servo motors 201 for horizontal and vertical driving. A rotating screw 206 is fixedly connected to the spindle of each servo motor 201. Limiting support rods 202 are provided on both sides of the rotating screw 206. A translation slide table 203 is nested and movably installed on each limiting support rod 202. A transmission slider matching the rotating screw 206 is provided in the middle of the inner side of each translation slide table 203. A multi-stage hydraulic rod 204 is fixedly installed on one translation slide table 203. The ultrasonic bone scalpel 12 is set inside the cutting box 1 by fitting into one end of the multi-stage hydraulic rod 204. A hydraulic pump 205 is fixedly installed on one side of the multi-stage hydraulic rod 204 and is connected to the multi-stage hydraulic rod 204. During operation, the servo motor 201 on the three-axis slide 2 is driven by control commands transmitted from the control panel 5. When the servo motor 201 is controlled to operate, the spindle of the servo motor 201 drives the rotating screw 206 to rotate. The forward and reverse drive of the servo motor 201 under the control commands controls the forward and reverse rotation of the rotating screw 206. The rotation of the rotating screw 206 drives the transmission slider, which in turn drives the translation slide 203 to move on the limit support rod 202 to control the cutting path of the ultrasonic bone scalpel 12. Secondly, by controlling the operation of the hydraulic pump 205, the extension and retraction length of the multi-stage hydraulic rod 204 is adjusted, thereby adjusting the cutting depth of the ultrasonic bone scalpel 12 on the allogeneic bone. This enables the ultrasonic bone scalpel 12 to cut the allogeneic bone within the cutting box 1. The cutting orientation of the ultrasonic bone scalpel 12 is adjusted by the three-axis system to improve the stability and accuracy of cutting the allogeneic bone.

[0023] As one embodiment of the present invention, such as Figures 1 to 3As shown, convex lenses 4, which are transparent and used for observation, are fixedly installed on both sides inside the cutting box 1. A control panel 5, which is connected to the control host, is fixedly installed on one end of the outer side of the cutting box 1. A centrifugal pump 8, which is fixedly connected to the cutting box 1, is located below the support tube 301. The centrifugal pump 8 passes through the bottom of the cutting box 1 and is connected to the support tube 301. A servo motor 6 is driven and installed on one side of the centrifugal pump 8. A power adapter 7 is fixedly connected to the bottom of the servo motor 6. The power adapter 7 is connected to the control panel 5, the servo motor 6, the servo motor 201, and the liquid... The pressure pump 205 is electrically connected, and the control panel 5 is signal connected to the ultrasonic bone scalpel 12, servo motor 201, hydraulic pump 205 and servo motor 6. The centrifugal pump 8 is fixedly connected to an integrated purifier 9 for filtration on the other side, and a connecting pipe 10 connected to the cutting box 1 is fixedly connected to one side of the integrated purifier 9. A support foot 11 for support is fixedly connected to the lower side of the cutting box 1. A waterproof cover 101 is sealed with adhesive inside the cutting box 1, and the cover 101 is sealed with adhesive to the ultrasonic bone scalpel 12. During operation, the cutting box 1 is supported by a support foot 11 on one side and a centrifugal pump 8 on the other side. Control commands are sent from the main control unit to the control panel 5, which in turn sends these commands to the servo motor 201, hydraulic pump 205, and servo motor 6, thereby controlling the ultrasonic bone scalpel 12, servo motor 201, hydraulic pump 205, and servo motor 6. During operation, an external power supply is connected via the power adapter 7 and rectified to distribute power to the control panel 5, servo motor 6, servo motor 201, and hydraulic pump 205, thus powering their operation. When the servo motor 6 operates, its spindle drives the centrifugal pump 8, thereby activating the centrifugal pump... 8. The liquid in the cutting box 1 is circulated through the mounting base 3. When the liquid flows to the integrated purifier 9 through the centrifugal pump 8, it is filtered by the integrated purifier 9 to improve the cleanliness of the circulating liquid. The water filtered by the integrated purifier 9 is then returned to the cutting box 1 through the connecting pipe 10. During cutting, the cutting is observed in real time through the convex lenses 4 on both sides inside the cutting box 1 to observe the cutting status of the ultrasonic bone scalpel 12 on the allogeneic bone. Then, the cover cloth 101 is sealed to the inner wall of the cutting box 1 to seal the ultrasonic bone scalpel 12, so as not to hinder the cutting head of the ultrasonic bone scalpel 12 from cutting the allogeneic bone. At the same time, it prevents the liquid in the cutting box 1 from soaking the triaxial slide 2 and affecting its use.

[0024] Working principle: The cutting box 1 is supported by a support foot 11 on one side and a centrifugal pump 8 on the other side. When the servo motor 6 runs, its main shaft drives the centrifugal pump 8, which circulates the liquid in the cutting box 1 through the mounting base 3. The liquid flows through the centrifugal pump 8 to the integrated purifier 9, where it is filtered to improve the cleanliness of the circulating liquid. The filtered water is then returned to the cutting box 1 through the connecting pipe 10. During the cutting process, the cutting box 1 is monitored in real time by the convex lenses 4 on both sides to accurately control the cutting status of the ultrasonic bone scalpel 12 on the allogeneic bone. The servo motor 201 on the three-axis slide 2 is driven by the control commands transmitted from the control panel 5. When the servo motor 201 is controlled, its main shaft drives the rotating screw 206 to rotate. The forward and reverse rotation of the rotating screw 206 is controlled by the forward and reverse drive of the servo motor 201, which in turn causes the transmission slider to drive the translation slide 203 to perform translational movement on the limit support rod 202, thereby precisely controlling the cutting path of the ultrasonic bone scalpel 12. In addition, by controlling the operation of the hydraulic pump 205, the extension and retraction length of the multi-stage hydraulic rod 204 is adjusted, thereby precisely adjusting the cutting depth of the ultrasonic bone scalpel 12 on the allogeneic bone. Finally, the ultrasonic bone scalpel 12 is used to achieve precise cutting of the allogeneic bone in the cutting box 1. By adjusting the cutting orientation of the ultrasonic bone scalpel 12 in a three-axis manner, the stability and accuracy of cutting the allogeneic bone are further improved. Through the tension between the spring in the limiting sleeve 13041 and the fixing rod 13031, the fixing rod 13031 is stably embedded in the limiting sleeve 13041, ensuring that the pressure plate 1301 applies stable pressure to the pressure rod 1303. Since one end of the gripper 1302 is engaged and movably connected with the connecting sleeve 1304, when the pressure plate 1301 applies pressure to the pressure rod 1303, the gripper 1302 will converge towards the central axis of the pressure plate 1301, thereby achieving effective clamping of allogeneic bone. With the clamping force of the gripper 1302, the cutting error caused by bone slippage when the ultrasonic bone scalpel 12 cuts allogeneic bone can be effectively avoided, thus ensuring the stability of the cutting process. At the same time, since the fixing rod 13031 is engaged and movably installed in the limiting sleeve 13041, it can also prevent the rotating sleeve 1305 from rotating in the connecting sleeve 1304 and causing the pressure rod 1303 to rotate. High-frequency vibrations are generated by the ultrasonic vibration generator inside the ultrasonic bone scalpel 12 and transmitted to the cutting head, causing the cutting head to perform grinding-like cutting of the allogeneic bone with a small amplitude. When the servo motor 6 drives the centrifugal pump 8, the liquid used for cooling and cleaning in the cutting box 1 is drawn out through the mounting base 3 and support pipe 301. During the process of the liquid flowing out of the mounting base 3, the liquid in the cutting box 1 enters the mounting base 3 through the connecting sleeve 1304. Under the flow replenishment, the liquid outside the connecting sleeve 1304 applies pressure to the other side of the pressure plate 1301. After being obstructed, the liquid flows towards the pressure plate 1301. The liquid flows outward, forming an outward expansion flow direction. At this time, the allogeneic bone is cut on the other side of the pressure plate 1301. The bone fragments generated during the cutting process are carried away from the cutting area by the flowing liquid under the action of the outward expansion flow direction, avoiding the static accumulation of bone fragments. At the same time, this design improves the problem that bone fragments are washed into bone pores or bone gaps when cutting cancellous bone or porous allogeneic bone in the traditional method. When the liquid flows in the mounting base 3, it generates a rotational frictional driving force on the threaded plate 1306, which in turn drives the rotating sleeve 1305 to achieve limited rotation in the connecting sleeve 1304 through the threaded plate 1306. When the rotating sleeve 1305 rotates, it drives the adjusting mechanism 14 at one end to rotate synchronously. Through the centrifugal force generated by the rotation of the adjusting mechanism 14, the adjusting fan 1403 overcomes the elastic resistance of the spring assembly 1402 on the connecting rod 1404 and extends out onto the mounting sleeve 1401, thereby changing the distance between the adjusting fan 1403 and the inner wall of the mounting base 3. When the ultrasonic bone scalpel 12 cuts allogeneic bone with high bone density, the control panel 5 receives a signal from the control host and sends a power increase command to the servo motor 6. At this time, the servo motor 6 increases its speed, driving the centrifugal pump 8 to operate more efficiently. This increases the flow rate and velocity of the liquid within the mounting base 3 while maintaining the same flow space. The increased liquid velocity within the mounting base 3 further enhances the force on the threaded disc 1306, increasing its rotational speed. At this time, the centrifugal force on the adjusting fan 1403 increases, gradually moving it closer to the inner wall of the mounting base 3 until it is fully extended and held. The flow rate of the liquid through the connecting sleeve 1304 increases. A negative pressure suction is generated on one side of the pressure plate 1301, and a hydraulic thrust is generated on the other side, causing the pressure plate 1301 to retract further into the limiting sleeve 13041 and apply pressure to the pressure rod 1303. Through the action of the pressure rod 1303, the clamping force of the gripper 1302 on the allogeneic bone is improved, especially when cutting high-density allogeneic bone, the clamping degree of the gripper 1302 is further improved. With the increased flow rate of liquid through the connecting sleeve 1304 and the pressure plate 1301, the efficiency of removing bone debris generated during the cutting of high-density allogeneic bone is improved. Secondly, by immersing and covering the allogeneic bone with liquid in the cutting box 1, the vibration generated during the cutting process is transmitted to the liquid. With the buffering effect of the liquid, the impact of vibration on the cutting accuracy is effectively reduced. At the same time, by the directional circulation of liquid in the cutting box 1 through the mounting base 3 and the connecting pipe 10, the local high temperature generated by the ultrasonic bone scalpel 12 during cutting is reduced, preventing thermal damage to bone tissue, thereby ensuring the stability and safety of the cutting process.

[0025] It should be noted that the liquid in the cutting box 1 is preferably physiological saline.

[0026] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A precision cutting device for processing allogeneic bone, comprising an ultrasonic bone scalpel (12) and an allogeneic bone clamp (13), characterized in that: The ultrasonic bone scalpel (12) includes a replaceable cutting head, and the ultrasonic bone scalpel (12) is provided with an ultrasonic vibration generator that acts on the cutting head. The allogeneic bone clamping device (13) includes a clamping claw (1302) for clamping the allogeneic bone and a connecting sleeve (1304) for mounting the clamping claw (1302). One end of the clamping claw (1302) is fitted with a pressure rod (1303) of interchangeable length and shape. One end of the connecting sleeve (1304) is fitted with a pressure plate (1301). The inner side of the connecting sleeve (1304) is fitted with a rotating sleeve (1305) for limiting and movably mounting. The outer side of the rotating sleeve (1305) is equidistantly and fixedly surrounded by a threaded disc (1306). One end of the rotating sleeve (1305) is fixedly mounted with an adjustment mechanism (14). The adjustment mechanism (14) includes a mounting sleeve (1401) fixedly mounted on a rotating sleeve (1305). A spring kit (1402) is equidistantly fitted on the inner side of the mounting sleeve (1401). An adjustment fan blade (1403) is equidistantly provided on the outer side of the mounting sleeve (1401). A connecting rod (1404) is fixedly installed in the middle of the inner side of the adjustment fan blade (1403), and one end of the connecting rod (1404) is fitted into the spring kit (1402).

2. The precision cutting device for processing allogeneic bone according to claim 1, characterized in that: A fixing rod (13031) is vertically fixedly installed on one side of the pressure plate (1301). A limiting sleeve (13041) for limiting the movement of the fixing rod (13031) is fixedly installed on one side of the connecting sleeve (1304). One side of the rotating sleeve (1305) is fitted and movable inside the limiting sleeve (13041). A spring that generates tension is fixedly connected inside the limiting sleeve (13041). The two ends of the spring are fixedly connected to the limiting sleeve (13041) and the fixing rod (13031) respectively. A mounting base (3) is fixedly connected to one side of the connecting sleeve (1304).

3. The precision cutting equipment for processing allogeneic bone according to claim 2, characterized in that: The mounting base (3) has a fixed pipe connected to a support pipe (301) on one side below, and the support pipe (301) is fixedly connected to the cutting box (1) below. The rotating sleeve (1305) and the threaded disc (1306) are located at one end inside the mounting base (3), and the allogeneic bone clamp (13) is installed inside the cutting box (1) through the mounting base (3).

4. The precision cutting device for processing allogeneic bone according to claim 3, characterized in that: A three-axis slide (2) is fixedly installed on one side of the cutting box (1). The three-axis slide (2) includes two servo motors (201) for horizontal and vertical driving. A rotating screw (206) is fixedly connected to the spindle of each servo motor (201). Limiting support rods (202) are provided on both sides of the rotating screw (206), and a translation slide (203) is nested and movably installed on each limiting support rod (202).

5. The precision cutting device for processing allogeneic bone according to claim 4, characterized in that: The inner middle of each translation slide (203) is provided with a transmission slider that matches the rotating screw (206). A multi-stage hydraulic rod (204) is fixedly installed on one of the translation slides (203), and the ultrasonic bone scalpel (12) is installed inside the cutting box (1) by fitting one end of the multi-stage hydraulic rod (204). A hydraulic pump (205) is fixedly installed on one side of the multi-stage hydraulic rod (204) and is connected to the multi-stage hydraulic rod (204).

6. The precision cutting device for processing allogeneic bone according to claim 3, characterized in that: The cutting box (1) has convex lenses (4) fixedly installed on both sides inside for observation and transparent. The cutting box (1) has a control panel (5) fixedly installed on one side outside, which is connected to the control host. The support tube (301) has a centrifugal pump (8) fixedly connected to the cutting box (1) below it. The centrifugal pump (8) passes through the bottom of the cutting box (1) and is connected to the support tube (301). A servo motor (6) is installed on one side of the centrifugal pump (8), and a power adapter (7) is fixedly connected to the bottom of the servo motor (6).

7. The precision cutting device for processing allogeneic bone according to claim 6, characterized in that: The power adapter (7) is electrically connected to the control panel (5), servo motor (6), servo motor (201) and hydraulic pump (205), and the control panel (5) is signal connected to the ultrasonic bone scalpel (12), servo motor (201), hydraulic pump (205) and servo motor (6).

8. The precision cutting device for processing allogeneic bone according to claim 6, characterized in that: The centrifugal pump (8) is fixedly connected to an integrated purifier (9) for filtration on the other side, and a connecting pipe (10) is fixedly connected to the cutting box (1) on one side. A support foot (11) for support is fixedly connected to the lower side of the cutting box (1). A waterproof cover cloth (101) is glued inside the cutting box (1), and the cover cloth (101) and the ultrasonic bone scalpel (12) are sealed with glue and encased.

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