41 results about "Bone drilling" patented technology

The embodiment of the invention provides an intelligent bone drilling self-adaptive control method for a mechanical arm, which comprises the following steps: acquiring displacement deviation of the tail end of a drill bit of an orthopedic surgical robot, obtaining an error change rate through differential calculation, and combining a bone layer type as an input variable of a fuzzy controller and a feeding speed as an output variable; input variables are fuzzified through a membership function, and a fuzzy language variable set is obtained; according to the set and a preset rule base, constructing a multi-rule group structure comprising three types of scenes of free space, cancellous bone and cortical bone, and setting corresponding fuzzy rule subsets for different bone layers; designing a ''minimum-maximum'' rule activation and combination strategy for reasoning by adopting a Mamdani type fuzzy reasoning method according to fuzzification input and a multi-rule group structure, and generating a fuzzification output variable set; and defuzzification is performed through a gravity center method to obtain a continuous speed instruction, and dynamic regulation and control of the drill bit feeding speed are achieved. When approaching a penetration point, the device automatically decelerates and safely stops, so that the safety and accuracy of an operation are effectively guaranteed, and over-drilling injury is prevented.

The present invention provides a therapeutic instrument including a vertebral drilling guide and a bone drilling instrument, the therapeutic instrument being configured as follows. The vertebral drilling guide is a hollow cylindrical shape along a central axis, with a first scoop part opening in a direction perpendicular to the central axis at the leading-end side along the central axis and a second scoop part opening in the opposite direction of the perpendicular direction at the base-end side along the central axis. The bone drilling instrument is rod-shaped, is smoothly curved in the perpendicular direction along a central axis, and when inserted into the vertebral drilling guide along the central axis from the distal end of the second scoop part of the vertebral drilling guide, a leading-end portion thereof protrudes out of an opening in the first scoop part. This makes it possible to provide a safe therapeutic instrument that enables precise drilling of an intended area all the way inside the vertebral body while minimizing skin incision in percutaneous vertebroplasty of fractures and prophylactic reinforcement of the vertebral body with bone cement.

The application discloses a bone drilling force prediction method based on CT and drilling working conditions, which comprises the following steps: step 1, extracting the contact surface image sequence of the drill bit and the bone tissue on the bone drilling path from the CT image and performing pretreatment; step 2, inputting the pretreated contact surface image and the drilling working condition parameters into a multi-physical factor fusion module to obtain an image sequence of the fused working condition physical information; step 3, inputting the image of the fused working condition physical information into an image coding network to extract the drilling force features in the section; and step 4, inputting the sequence composed of the drilling force features of all sections on the drilling path into a sequence regression network ATP-UNeXt to obtain the prediction of the drill bit stress sequence on the drilling path. The application has the advantages that the drilling force related physical factors can be comprehensively considered, more accurate preoperative stress prediction can be provided, the model reasoning speed is fast, the application is suitable for a clinical operation auxiliary system, and the cost of the operation auxiliary system is reduced.

The invention discloses a bone drilling force prediction method based on CT and drilling working conditions. The bone drilling force prediction method comprises the following steps that 1, a contact surface image sequence of a drill bit and bone tissue on a bone drilling path is extracted from a CT image and preprocessed; step 2, inputting the preprocessed contact surface image and drilling working condition parameters into a multi-physical factor fusion module to obtain an image sequence fused with working condition physical information; 3, inputting the image fused with the physical information of the working condition into an image coding network, and extracting drilling force characteristics in a tangent plane; and step 4, inputting a sequence formed by the drilling force characteristics of all sections on the drilling path into the sequence regression network ATP-UNeXt to obtain prediction of a drill bit stress sequence on the drilling path. The method has the advantages that physical factors related to the drilling force can be comprehensively considered, more accurate preoperative stress prediction is provided, the model reasoning speed is high, the method is suitable for a clinical operation auxiliary system, and the cost of the operation auxiliary system is reduced.

The utility model discloses a reverse drilling device for ligament reconstruction and repair operation, which relates to the field of medical auxiliary instruments and comprises a handheld component, a drilling component, a drilling component and a drilling component. The bone drilling assembly comprises a connecting shaft, a connecting frame, an adjusting assembly, a rotating shaft, a push rod, a connecting rod and a drill bit; wherein the two ends of the rotating shaft penetrate through the connecting frame and extend into the sliding grooves, the adjusting assembly is arranged in the connecting frame and fixedly connected with the rotating shaft, the connecting shaft is inserted into the front end of the handheld assembly and connected with the connecting frame, and the push rod is inserted into the rear end of the handheld assembly in a sliding mode and connected with the adjusting wheel. The bone drilling assembly is divided into three parts which are installed at the front end, the inner portion and the rear end of the handheld assembly respectively, the rotating shaft drives the push rod arranged behind the handheld assembly to slide and stretch out and draw back through the connecting frame, the drill bit is made to be away from the cross section of the bone, the drill bit recycling space is reserved, and secondary damage to the bone due to drill bit recycling is prevented.

This invention relates to the field of bone drilling training simulation equipment, and more particularly to an operational simulation device for training orthopedic bone drilling skills. The device includes a housing, with modules on both sides of the upper part of the housing. A mold cavity is located in the middle of the side of each module that is close to the other. Rotary seats are located at the front and rear of each module. An electric push rod is mounted in the middle of each rotary seat. A bone body is held between the telescopic ends of the electric push rod, and the bone body is positioned inside the mold cavity. A driven gear is mounted at the opposite end of each rotary seat. A connecting seat is mounted in the middle of the opposite end of each module. Mounting frames are mounted on both sides of the opposite end of each module. Scissor frames are located on both sides of the upper part of the housing, and connecting blocks are rotatably connected to the ends of each scissor frame. This invention can simulate the opening requirements of low-invasive surgery in different locations, solving the shortcomings of traditional equipment with fixed openings that cannot adapt to diverse training scenarios.

The application relates to the technical field of medical devices, and provides an arc-shaped channel drilling system and a robot for orthopedic surgery. The arc-shaped channel drilling system comprises a base used for being connected with the end of a mechanical arm; a position navigator connected with the base and used for determining the position in space; a pressing plate assembly arranged on one side of the base; an arc-shaped bone drilling rod in sliding connection with the pressing plate assembly; the arc-shaped bone drilling rod has a channel in the inside; a flexible shaft arranged in the channel; one end of the flexible shaft is connected with a power device; and a drill bit arranged at the other end of the flexible shaft and in rotary connection with the arc-shaped bone drilling rod. The base is connected with the end of the mechanical arm, the position navigator determines the position of the whole drilling system in space, the flexible shaft is arranged in the channel in the arc-shaped bone drilling rod, the power device provides power for the flexible shaft, the flexible shaft drives the drill bit to rotate, drilling is realized, drilling along the curvature of the arc-shaped bone drilling rod is realized, and the drilling of the arc-shaped channel in hard bone can be completed.

The present invention provides a bone drill system for a belt-loop titanium plate. A bone drill system for a belt-loop titanium plate includes: a bone drill and a holding forceps; the bone drill includes a plugging member, a tube body, and a drill bit; the holding forceps is used for holding the drill bit; the plugging member, the tube body, and the drill bit are connected in sequence, and both the plugging member and the drill bit are detachably connected to the tube body; a first traction member is provided on one side of the plugging member connected to the tube body, and the first traction member is movably connected to the plugging member and is used for connecting to the tightening wire of the belt-loop titanium plate; a second traction member is provided on one side of the drill bit connected to the tube body, and the second traction member is movably connected to the drill bit and is used for connecting to the loop-turning wire of the belt-loop titanium plate. The bone drill system for a belt-loop titanium plate provided by the present invention solves the problem that there is a lack of special tools for this operation in the prior art. The above-mentioned operation process is relatively complex, has high requirements for the operation of doctors, is inconvenient to operate, thus resulting in a longer operation time and indirectly increasing the risk of patient infection.

The application provides a kind of robot-assisted kirschner wire bone drilling mechanics model construction method, comprising: analyzing the process of robot-assisted kirschner wire bone drilling, obtaining the geometric model of mechanical analysis of robot-assisted kirschner wire bone drilling;According to the geometric model of mechanical analysis, a kind of finite element analysis model of robot-assisted kirschner wire bone drilling is established, the influence law of kirschner wire rotating speed, feed speed, the relative angle between kirschner wire and bone surface on drilling force is obtained;According to the data of mechanical analysis geometric model and finite element model, a kind of mechanical model of robot-assisted kirschner wire placement is established, and the mathematical representation between drilling force and kirschner wire rotating speed, feed speed, the angle between kirschner wire and bone surface is obtained.According to the technical scheme provided by the application, the construction of the mechanical model of robot-assisted kirschner wire bone drilling can be realized.

This disclosure provides a ring-shaped bone drill and a bone drilling method based on the ring-shaped bone drill, which can be applied in the field of medical technology. The ring-shaped bone drill includes a ring-shaped hollow drill rod, an anchoring mechanism, a lifting and pushing mechanism, and a power module; the anchoring mechanism is inserted into the ring-shaped hollow drill rod; the lifting and pushing mechanism includes a pushing component and a clamping component; the pushing component and the handle are slidably assembled; the clamping component is used to fix the anchoring mechanism; the lifting and pushing mechanism is used to lift the anchoring mechanism based on the clamping component and push the ring-shaped hollow drill rod based on the pushing component when a counterforce is applied; the power module is used to provide rotational power for the ring-shaped hollow drill rod. The above-mentioned ring-shaped bone drill can effectively stop drilling based on the drilling completion state during the bone drilling process. In addition, the ring-shaped bone drill itself has a simple structure, small size, and is easy to use, thus optimizing the application effect in the actual bone drilling process.

The invention provides an orthopedic surgical instrument, an orthopedic surgical robot system and a calibration method.The orthopedic surgical instrument comprises an executing mechanism and a guiding instrument, the executing mechanism is provided with a first end and a second end, and the first end of the executing mechanism is connected with a mechanical arm; the guiding instrument is detachably connected to the second end of the executing mechanism, the guiding instrument is provided with a guiding plane and / or a guiding hole, and the guiding plane is used for guiding and limiting the bone saw blade so that the bone saw blade can conduct osteotomy operation while being attached to the guiding plane; the guide hole is used for guiding and limiting the bone drill bit or the grinding workpiece, so that the bone drill bit penetrates through the guide hole in the axial direction and meanwhile bone drilling operation is conducted, or the center shaft of the grinding workpiece penetrates through the guide hole and meanwhile bone grinding operation is conducted. The device can be compatible with bone treatment operations of plane constraint osteotomy, axis constraint drilling and curved surface constraint grinding, reduces and simplifies assembling and disassembling operations and switching of equipment configuration files in an operation, and effectively improves the operation efficiency.

To provide a bone perforation drill capable of perforating a hole of a desired diameter with preferable quality even with respect to a bone having non-preferable bone quality.SOLUTION: Provided is a bone perforation drill 1 having an outer shape whose basic tone is a cylinder shape in a longitudinal direction in an axial direction. In the bone perforation drill 1, a cutting blade 11 is provided in a distal end 10, a release groove 21 of cutting power drug so as to form a spiral with respect to an axial center is formed on a cylinder side periphery 22, and an edge formed between the release groove 21 and the cylinder side periphery 22 is chamfered.SELECTED DRAWING: Figure 2

According to the bone drilling system, the bone drilling device and the drill bit identification structure, when a drill bit is replaced, after the installation end of the drill bit is inserted into an insertion channel and inserted into the insertion channel in place, an identification element can be arranged opposite to an identified element on the installation end to be in induction fit with the identified element, so that the identification element generates an identification signal; and in combination with the communication connection between the identification element and the host, the identification signal is output to the host. When the host receives the identification signal, it can be judged that the replaced drill bit belongs to the matching state, that is, the replaced drill bit is not only matched with the application scene but also matched with the machine body, and at the moment, the host can control the rotation driving mechanism to be started to drive the drill bit to rotate so as to normally execute operations such as bone drilling.

The present invention provides a miniaturized cranial bone drilling device for neurosurgery, belonging to the field of medical devices. It includes two vertical plates, and a same horizontal plate is slidably connected between the two vertical plates. The bottom end of the horizontal plate is fixedly connected with two fixing blocks, and the bottom ends of the two fixing blocks are fixedly connected with a same circular block. The bottom end of the circular block is rotatably connected with a rotating column, and the bottom end of the rotating column is fixedly connected with a drill bit. By starting the first motor to drive the first gear, the second gear and the drill bit to rotate, and at the same time starting the spraying assembly to cool the area between the drill bit and the patient's skull, the risk of thermal damage is reduced and the surrounding tissues and nerves of the skull are protected from damage. When the monitoring assembly monitors that the temperature of the drill bit is relatively high, the cooling assembly is started to cool the drill bit, preventing the drill bit from excessive wear due to high temperature, and cooperating with the spraying assembly can double cool the drill bit and the patient's skull, thereby reducing the risk of thermal damage to the patient's skull and improving the surgical efficiency.

The present invention relates to the field of phantom teaching aids, and in particular to a simulation device for training children's orthopedic bone drilling skills. The device comprises a teaching phantom, wherein a skull is installed on the inner side of the teaching phantom's head, a notch is provided in the middle of the back of the teaching phantom, a spine is provided inside the notch, a mounting frame is installed on the lower inner part of the spine, the front and rear sides of the bottom of the mounting frame are fixedly connected to a fixed bin, the front and rear parts of the mounting frame are provided with through openings, and a shaping belt is passed through the through openings, the front and rear ends of the shaping belt are fixedly connected to a winding roller, the winding roller is installed inside the fixed bin, the middle part of the shaping belt is fixedly connected to a shaping tube, the shaping tube is provided with an electrovariable fluid, the ends of the shaping belt are connected to a power supply, and the power supply is installed inside the fixed bin. The present invention can simulate the breathing of a living body during surgery, thereby simulating the feeling of a real living body and improving people's training effect.

The invention relates to a positioning device (1) for a bone implant, in particular an intramedullary nail (2), for positioning and / or fixing a bone implant. The positioning device (1) has a curved handle (3) with a target guide (4) for guiding a bone drilling device (5), which target guide (4) defines a target axis (Z), and the curved handle has a connecting element (6) for detachably connecting a bone implant to the curved handle (3) and an alignment sight (7). The alignment sight has a first indicator structure (11) for indicating the path of the target axis by means of the indicator structure (11) in a second X-ray image of the alignment sight (7) along a target line of sight (S2) which lies in a first alignment plane formed by the target axis (Z) and the first indicator structure (11). In order to provide optimized operation, the alignment sight has a second indicator structure (12) for indicating an orthogonal tilt of the line of sight from the first alignment plane in a first X-ray image of the alignment sight (7) along the line of sight (S1) deviating from the target line of sight (S2). The invention also relates to a method for treating a bone fracture.

The invention provides a stereotactic surgery system which comprises a processing unit and a mechanical arm, a guider is arranged at the tail end of the mechanical arm, and the processing unit is used for obtaining the direction of a skull surface normal vector corresponding to a preset bone drilling point of a surgery object; the tail end of the mechanical arm is adjusted to the target posture so that the axis of the guider can coincide with the direction of the normal vector of the skull surface; after a bone drill is installed on the guider, responding to a first moving operation of a doctor on the mechanical arm, and controlling the mechanical arm to move based on the target posture, so that the bone drill drills bones on a preset bone drilling point of the surgical object in the direction of the normal vector of the skull surface. Therefore, by adjusting the posture of the tail end of the mechanical arm before bone drilling, the axis of the guider coincides with the normal vector direction of the skull surface, so that the actual bone drilling point slippage caused by an overlarge included angle between the axis of the guider and the normal vector of the skull surface in the bone drilling process is reduced, and the possibility of deviation of subsequent implantation of a microscopic instrument is further reduced; and the clinical precision of a stereotactic operation is improved.

The invention provides a mechanical model construction method for robot-assisted kirschner wire bone drilling, which comprises the following steps: analyzing a robot-assisted kirschner wire bone drilling process to obtain a mechanical analysis geometric model for robot-assisted kirschner wire bone drilling; according to a mechanical analysis geometric model, a finite element analysis model for robot-assisted Kirschner wire bone drilling is established, and the influence rule of the Kirschner wire rotating speed, the Kirschner wire feeding speed and the relative angle of the Kirschner wire and the bone surface on the drilling force is obtained; according to a mechanical analysis geometric model and finite element model data, a mechanical model for robot-assisted kirschner wire placement is established, and mathematical representations between drilling force and the rotating speed and the feeding speed of the kirschner wire and between the kirschner wire and the bone surface angle are obtained. According to the technical scheme provided by the invention, the construction of the mechanical model of the robot-assisted kirschner wire bone drilling can be realized.

The utility model relates to the technical field of surgical instruments, and discloses a conical bone drill for intervertebral foramen endoscope surgery, which comprises a bone drill rod and a drill bit, the drill bit consists of a blunt end, a primary spiral cutting edge and a secondary spiral cutting edge, and the blunt end, the primary spiral cutting edge and the secondary spiral cutting edge are integrally processed. And the first-stage spiral cutting edge and the second-stage spiral cutting edge are conical. The design of the bone drill fully considers the pain feeling of a patient in the operation process and the operation efficiency and safety. Due to the conical gradual change structure, the bone drill can finish smooth transition from a small diameter to a large diameter in one-time operation, so that the pain frequency of a patient caused by multiple times of reaming is greatly reduced, and the pain feeling of the patient is reduced. And the operation risk and the time cost caused by replacement of bone drills with different sizes are avoided. According to the conical bone drill for the intervertebral foramen endoscope operation, the pain feeling of a patient is reduced, the operation efficiency is improved, the safety and the reliability of the operation are guaranteed, and a more ideal operation tool is provided for the spine intervertebral foramen endoscope operation.

The invention provides a neurosurgery cranial miniature bone drilling device, and belongs to the field of medical instruments. Comprising two vertical plates, a same transverse plate is slidably connected between the two vertical plates, two fixing blocks are fixedly connected to the bottom end of the transverse plate, a same circular block is fixedly connected to the bottom ends of the two fixing blocks, a rotating column is rotatably connected to the bottom end of the circular block, and a drill bit is fixedly connected to the bottom end of the rotating column. A first motor is started to drive a first gear, a second gear and a drill bit to rotate, meanwhile, a spraying assembly is started to cool the space between the drill bit and the skull of a patient, the risk of thermal injury is reduced, tissues and nerves around the skull are protected against damage, and when a monitoring assembly monitors that the temperature of the drill bit is high, a cooling assembly is started to cool the drill bit; the drill bit and the cranium of the patient can be cooled in cooperation with the spraying assembly, so that the risk of thermal injury to the cranium of the patient is reduced, and the operation efficiency is improved.

The invention relates to the field of bone drilling training simulation equipment, in particular to an operation simulation device for bone drilling skill training in the orthopedics department, which comprises a box body, modules are arranged on the two sides of the upper part in the box body, mold cavities are formed in the middle parts of the sides close to each other of the modules, and rotating seats are arranged on the front and rear parts of the modules; first electric push rods are installed in the middles of the rotating seats correspondingly, a bone body is clamped between the telescopic ends of the first electric push rods and arranged on the inner side of the mold cavity, driven gears are installed at the ends, away from each other, of the rotating seats correspondingly, and connecting seats are installed in the middles of the ends, away from each other, of the mold blocks correspondingly. Mounting frames are mounted on the two sides of the middles of the ends, away from each other, of the modules, scissor frames are arranged on the two sides of the upper portion in the box body, and connecting blocks are rotationally connected to the ends of the scissor frames, the opening requirements of low-wound surgeries of different parts can be simulated, and the defect that a traditional device is fixed in opening and cannot adapt to multiple training scenes is overcome.

An inner plate line indicating a maximum shaving point when shaving a pelvis to arrange a cup included in an artificial hip joint is displayed in a superimposed manner.SOLUTION: Acquiring, by a computer, a fluoroscopic image of a patient to be subjected to a procedure related to an artificial hip joint, recognizing, in a pelvis of the patient in the acquired fluoroscopic image, an inner plate line indicating a maximum cutting point when cutting the pelvis to arrange a cup included in the artificial hip joint, and recognizing, in the pelvis of the patient, an indispensable line indicating a minimum cutting point when cutting the pelvis to arrange the cup; And deriving a cup CE angle when the cup is assumed to be placed in a state in which the pelvis of the patient has been shaved by the bone drilling reamer used in the treatment related to the artificial hip joint, superimposing and displaying the recognized medial plate line and the requisite line on the fluoroscopic image, and displaying the derived cup CE angle in association with the fluoroscopic image.SELECTED DRAWING: Figure 1

This invention discloses a surgical drilling device, relating to the field of surgical drilling technology. It includes a drilling handpiece with a drilling section for drilling into bone. The handpiece is equipped with a ulceration limiting component to prevent excessive downward pressure. A lifting adapter is mounted on the drilling section, and a propulsion component is mounted on the lifting adapter to limit the drilling depth. By using the propulsion component in conjunction with the lifting adapter, the timing of the elastic retraction of the ulceration limiting component can be controlled. This ensures the surgeon has sufficient downward pressure during the initial bone drilling, guaranteeing drilling efficiency. This addresses the problems of current surgical drilling devices, such as the inconvenience of automatically reducing drilling pressure when approaching bone penetration and the difficulty in preventing damage to the medullary cavity during flushing.

The invention relates to a device and method for automated bone drilling in orthopedic surgery, equipped with a main body with a body (1) configured with a handle (13) and an inner space in which a linear bearing (2) is mounted, in which a hollow cylindrical linear guide (3), in which the first rotary electric motor (4) and second electric motor (6) are mounted, to which the working mechanism equipped with a working tool (5) is fixedly attached, where the second rotary motor (6) is fixedly mounted in the bottom of the housing (1) with an axis parallel to the axis of the linear bearing (2) with a screw (7) and a bracket nut (8) fixedly connected to the hollow cylindrical linear guide (3) or the second rotary motor (6) is fixedly mounted in the upper part inside the handle (13) of the main body (1), in which its axis is crossed with the axis of the linear bearing (2), and a helical gear (14) is mounted on the rotor of the second motor (6) connected to a second helical gear (15) with the screw (7) and a cantilever nut ( 8), fixedly connected to the hollow cylindrical linear guide (3), and the axis of the screw (7), bearing at both ends in the housing (1), is parallel to the axis of the linear bearing (2), where between the cantilever nut ( 8) and the hollow cylindrical linear guide (3) is positioned force sensor (9) located in a housing (10) in which the force sensor (9), piston (11) and adjusting screw (12) are located on one axis, provided with a screw and a lock nut (24), the housing (10) being fixedly connected to the cylindrical linear guide (3) and the piston (11) being fixedly connected to the cantilever nut (8) by means of lock nuts (23), and to the outside at one end of the main body (1) by means of a supporting arm, a non-contact temperature sensor (16) is immovably mounted, and the device is connected through a control system with controllers and power supplies of an interface device (21) to a control, processing and information storage module (22) with the possibility of connecting to a specialized robot. The described device precisely and automatically controls the drilling process with force feedback, hence the significant improvement in the quality of the bone drilling process, guaranteeing no damage to the bone and the area around it.

The utility model provides a bone tissue drilling device which is composed of an outer sleeve drill bit, a built-in drill bit, a drill rod and a clamping head, and the built-in drill bit is arranged inside the outer sleeve drill bit in a sleeved mode. The outer sleeve drill bit is provided with a limiting piece and a sawtooth blade is arranged at the top end of the outer sleeve drill bit, so that the bone tissue cutting range and depth can be locked and the bone tissue can be longitudinally cut; the built-in drill bit is a double-helix drill bit, two same fan-shaped blades are arranged at the top end of the built-in drill bit and can transversely cut and smash the longitudinally cut bone tissue, and a chip groove is formed by the double-helix structure of the built-in drill bit and can discharge the smashed bone tissue through the chip groove. The bone tissue drilling device is simple in structure, smashing and cleaning of bone tissue within a controllable range are achieved, and bone drilling efficiency and accuracy are greatly improved.

The invention discloses self-aiming orthopedic surgery equipment, an orthopedic surgery system and a using method, and relates to the technical field of medical instruments, the self-aiming orthopedic surgery equipment comprises an executing mechanism and a posture adjusting mechanism, and the executing mechanism is used for executing bone drilling operation; the posture adjusting mechanism comprises a base, at least three movement branch chains and a mounting platform, the base is used for being held by an operator or integrated to the surgical robot, the mounting platform is used for mounting the executing mechanism and connected with the base through the movement branch chains, and the movement branch chains can move along a preset track; according to the invention, the structure is simple, the use is convenient, the operation risk is effectively reduced, and the operation efficiency is effectively improved.

The invention relates to the field of phantom teaching aids, in particular to a simulation device for children orthopedics bone drilling skill training, which comprises a teaching phantom, a skull is mounted on the inner side of the head of the teaching phantom, a notch is formed in the middle of the back of the teaching phantom, a spine is arranged in the notch, and a mounting frame is mounted at the lower part in the spine. Fixing bins are fixedly connected to the front side and the rear side of the bottom of the mounting frame correspondingly, through openings are formed in the front portion and the rear portion of the mounting frame correspondingly, shaping belts penetrate through the through openings correspondingly, winding rollers are fixedly connected to the front ends and the rear ends of the shaping belts correspondingly, the winding rollers are installed in the fixing bins correspondingly, and shaping pipes are fixedly connected to the middles of the shaping belts correspondingly. Electric variable fluid is arranged in the shaping pipes, the ends of the shaping belts are connected with power sources, and the power sources are installed in the fixing bins, the breathing of a living body during an operation can be simulated, and therefore the feeling of the real living body can be simulated, and the training effect of people is improved.

The application discloses a self-aiming orthopedic surgery device, an orthopedic surgery system and a use method, relates to the technical field of medical instruments, and comprises an executing mechanism and a posture adjusting mechanism. The executing mechanism is used for executing a bone drilling operation. The posture adjusting mechanism comprises a base, at least three motion branches and a mounting platform. The base is used for being held by an operator or being integrated into a surgical robot. The mounting platform is used for mounting the executing mechanism. The mounting platform is connected with the base through the motion branches. The motion branches can move along preset trajectories to drive the mounting platform and the executing mechanism to realize at least pitch angle adjustment, yaw angle adjustment and linear feeding operation. The application has the advantages of simple structure, convenient use, reduced surgery risk and improved surgery efficiency.