211 results about "Humeral joint" patented technology

Surgical systems and instruments for performing shoulder repair procedures using a transhumeral approach are disclosed. The systems include a humeral guide configured to set a path of travel for a guide pin that operates bone preparation instruments with a transhumeral approach. The guide pin can selectively engage one or more bone preparation instruments disposed at a humeral resection surface and operate the tool(s) by powering the guide pin from below the humeral resection surface. A handle assembly can be used to position bone preparation instruments at the surgical site, with the handle assembly being selectively mountable to the humeral guide. The humeral guide can also have a sizer attachment coupled to it to assist in measuring and sizing locations for an implant to be placed on the humeral resection surface. Measuring, reaming, broaching, and implanting actions can all be performed with assistance from the humeral guide.

A stemless prosthetic shoulder joint may include a prosthetic humeral head and a stemless base. The stemless base may include a collar and an anchor extending from the collar intended to anchor the base into the proximal humerus. The anchor may include various features to enhance the fixation of the base, including hooks, threads, and / or expandable members that may be transitioned from a contracted insertion condition to an expanded implanted condition once the base is positioned in the bone. The anchor and / or collar may also include additional features to enhance fixation, such as geometries and surface features to enhance fixation to bone. The anchor may include a plurality of chisel slots to facilitate removal of bone during a revision surgery.

The invention discloses a novel shoulder joint abduction brace, which relates to the technical field of medical supplies, and comprises a detachable waist support belt and an air bag type abduction brace capable of adjusting the degree of freedom of movement, the brace covers the waist, the upper trunk, the armpits, the arms and the joints in a segmented mode through the profiling air bags, supports the arms and the joints and is used for providing flexible protection and fixation for the arms and the joints after operation. One end of the air bag type abduction brace is connected with the waist support belt through a magic tape, and the other end is fixed through the shoulder belt, so that the arm keeps a stable posture; a battery and an inflation and control unit are integrated on the waist support belt, air pressure data of each section of the air bag type abduction brace can be fed back, the movement freedom degrees of arms and joints can be adjusted, locked or unlocked through a touch screen, postoperative fixation is achieved, and adjustable personalized rehabilitation training is provided according to the requirements of different rehabilitation stages. A more personalized rehabilitation scheme is provided; the shoulder joint abduction brace solves the problem that an existing shoulder joint abduction brace is too single in joint and arm fixing and bearing mode.

The invention relates to the field of medical instruments, in particular to an abduction assisting device for shoulder joints, which comprises a support, a support plate for bearing arms is hinged to the top of the support, and a driving mechanism, an adjusting mechanism, a fitting mechanism, a support mechanism and a locking mechanism are arranged on the support; the driving mechanism is used for driving the adjusting mechanism, the laminating mechanism and the supporting mechanism to operate synchronously; the adjusting mechanism is used for driving the supporting plate to rotate around the hinge point so as to adjust the abduction angle. The attaching mechanism comprises an air bag fixedly connected to the supporting plate, and the attaching mechanism is used for synchronously inflating or deflating when the angle is adjusted by the adjusting mechanism so as to be attached to the arm; the supporting mechanism is used for synchronously providing or releasing additional supporting force for the supporting plate when the adjusting mechanism adjusts the angle; the locking mechanism is used for locking the adjusting mechanism after angle adjustment is completed. The use process is simplified, the operation threshold is lowered, the rehabilitation preparation time can be saved, and the clinical use efficiency is improved.

According to the technical scheme, the four-limb joint supporting structure comprises an upper supporting part, a lower supporting part and a connecting part, and the upper supporting part and the lower supporting part can be bent to be in an arc surface shape from the two sides and are used for being attached to the upper limb and the lower limb at the joints of a patient; the two ends of the connecting part are connected to the upper supporting part and the lower supporting part respectively and used for being attached to the joint position, and the width of the connecting part is smaller than that of the upper supporting part and that of the lower supporting part so that two grooves can be formed between the connecting part and the upper supporting part and between the connecting part and the lower supporting part. The utility model has the beneficial effects that the connecting part is formed between the upper supporting part and the lower supporting part through the groove, the connecting part is bent and attached to the joint, the generation of a break angle is avoided, the bending can be extremely simplified, no matter whether the material has enough ductility or not, the requirements can be met, the structure is simple, the complexity degree is low, the production process is simple, and the operability is high; the device is suitable for shoulder joints, elbow joints, ankles and the like, and the structural design has certain universality.

Disclosed herein is a system and method for performing pre-operative planning of total joint arthroplasty. The planning tool builds a model and analyzes and visualizes movement of the joint for various selections of implant models and placement of the components on the implants on the patient's anatomy. The tool also analyzes and visualizes motions of the joint during common activities of daily living and analyzes and functional ranges. The tool provides real time clinically relevant parameters to inform pre-surgery planning. The tool provides screw orientation visualization.

The present invention discloses a rigid-flexible pneumatic component hybrid-driven robot joint system, belonging to the technical field of robots. The robot has the function of whole-body joint movement: three cylinders are connected in parallel to drive the movement of the waist joint. Multiple cylinders of the waist joint and the pneumatic muscles of the pelvis together drive the movement of the hip joint; the pneumatic motor and the pneumatic muscles in the form of antagonist muscles together drive the movement of the knee joint; four pneumatic muscles are connected in parallel to drive the movement of the ankle joint, and another two pneumatic muscles are connected to the lower end of the foot through the rear connecting shaft guide and drive the ankle joint together with the four pneumatic muscles of the ankle joint. A group of antagonist muscles in the wrist joint-elbow joint and the shoulder joint-elbow joint respectively drive the rotation of the elbow joint, and the pneumatic muscles in the form of two groups of antagonist muscles in the wrist joint-elbow joint and the wrist joint drive the movement of the wrist joint, and the pneumatic gripper has the function of clamping items. The present invention drives the joints by combining pneumatic components with mechanism, and has the characteristics of compact structure, strong adaptability and flexible working mode.

The invention discloses a topological mapping monitoring and correcting method for abnormal scapular brachial rhythm after breast surgery, and belongs to the field of medical rehabilitation and computer vision. The method comprises the following steps: acquiring a trunk dynamic three-dimensional point cloud and infrared thermal imaging data; constructing a multi-layer collaborative dynamic topology network fusing a skeleton structure, soft tissue deformation and physiological activeness; extracting an intrinsic motion field and comparing the intrinsic motion field with the ideal model to generate deviation measurement; and calculating a dynamic instability index, comparing the dynamic instability index with a threshold value, and triggering optimization energy correction path calculation and instruction output. According to the method, the multi-dimensional topological mapping and dynamics prediction technology is adopted, accurate recognition and feed-forward early warning of motion abnormity under the influence of deep tissue adhesion after the breast surgery can be achieved, rehabilitation of a patient is guided through an energy consumption minimization path, and the accuracy of shoulder joint function remodeling and the individualized treatment effect are improved.

Devices and methods for performing a humeral cut are disclosed, the humeral cut being performed to prepare a surgical site to receive a prosthesis. In at least some embodiments, a humeral resection guide is provided that includes a plurality of arms that can be selectively coupled and decoupled from each other, thus enabling the arms to be individually delivered to a surgical site and then subsequently coupled together. This type of configuration allows for less trauma to the tissue in and / or surrounding the shoulder joint because the components being delivered to the surgical site are smaller during delivery than when in use. Additional features are provided that help create a preferred fit with respect to the humeral head to set a desired resecting plane, as well as to insure cutting tools do not harm surrounding tissue. Various embodiments of these devices, and methods of using the same, are also disclosed.

The present invention discloses a pneumatic transmission robot system based on a combination of multiple modes, belonging to the technical field of robots. The movement of the hip joint, knee joint, ankle joint, shoulder joint, elbow joint, and wrist joint of the robot is driven by pneumatic muscles, and the waist joint is driven by balloon cylinders and cylinder combinations, having the function of fully simulating the joint movement of a human. The balloon cylinder and the waist joint cylinder are connected in series as a branch chain, and three branch chains are connected in parallel to form a single-layer waist joint, and six branch chains between two layers are evenly distributed on the circumference. A group of pneumatic muscles combined with a guide wheel drive the hip joint to rotate around the Z axis, two pneumatic muscles combined with a four-bar mechanism drive the flexion and extension movement of the knee joint, and two groups of pneumatic muscles are rotatably connected to the calf bone II, and with this as a support and combined with a universal joint, the flexion, extension, adduction, and abduction movements of the ankle joint are realized. The present invention is driven by pneumatic muscles and cylinders, and has the characteristics of compact structure, combination of rigidity and flexibility, and good explosion-proof performance.

The embodiment of the invention provides a robot. The robot comprises a moving assembly suitable for enabling the robot to move in multiple directions; a torso assembly coupled to the moving assembly and adjustable in height relative to the moving assembly, the torso assembly including a shoulder joint portion and a neck joint portion; the bionic double arms comprise a left arm and a right arm, the left arm and the right arm are movably coupled to the two sides of the trunk assembly through shoulder joint parts so as to achieve three-degree-of-freedom movement relative to the trunk assembly, and the left arm and the right arm each comprise an elbow joint part and a wrist joint part; a large arm mechanism and a small arm mechanism coupled via the elbow joint portion to rotate relative to each other about an axis of the elbow joint portion; the execution component is coupled to the tail end, away from the large arm mechanism, of the small arm mechanism through the wrist joint part so as to achieve three-freedom-degree movement relative to the small arm mechanism; the head part is coupled to the top end of the trunk assembly through the neck joint part and located between the bionic double arms, and the head part is suitable for carrying out two-degree-of-freedom movement relative to the trunk assembly.

The present disclosure generally relates to a surgical tool for use in shoulder arthroplasty. The surgical tool includes a humeral head cut guide configured to fit within a rotator interval of a subject in need of shoulder arthroplasty. The cut guide can further include a top surface, a bottom surface, a front surface, a back surface, and at least two sides. The surgical tool can also have at least two nonconverging pin holes and a receiving portion configured to permit reversible attachment of the cut guide to an attachment arm assembly.

The invention provides a double-pneumatic artificial muscle control method and system with overshoot constraint, and relates to the technical field of robot control. Comprising the following steps: defining error signals of a forearm muscle length, an upper arm muscle length, a shoulder joint angle and an elbow joint angle based on a dynamic model of a double-pneumatic artificial muscle system, and constructing an error signal convergence constraint term and an overshoot range constraint term; determining an energy function of the double-pneumatic artificial muscle system; based on a kinetic model and an energy function of the double-pneumatic artificial muscle system, considering the error signal convergence constraint term and the overshoot range constraint term, and designing a controller to control the forearm control input air pressure and the upper arm control input air pressure of the double-pneumatic artificial muscle system. According to the method, the error signal convergence constraint term and the overshoot range constraint term are considered, the overshoot of the system state variable is controlled within the safety constraint range, the overshoot phenomenon is avoided, and the safety performance of the system is improved.

Surgical systems and instruments for performing shoulder repair procedures using a transhumeral approach are disclosed. The systems include a humeral guide configured to set a path of travel for a guide pin that operates bone preparation instruments with a transhumeral approach. The guide pin can selectively engage one or more bone preparation instruments disposed at a humeral resection surface and operate the tool(s) by powering the guide pin from below the humeral resection surface. A handle assembly can be used to position bone preparation instruments at the surgical site, with the handle assembly being selectively mountable to the humeral guide. The humeral guide can also have a sizer attachment coupled to it to assist in measuring and sizing locations for an implant to be placed on the humeral resection surface. Measuring, reaming, broaching, and implanting actions can all be performed with assistance from the humeral guide.

The utility model discloses a shoulder abduction fixing brace for rehabilitation, which belongs to the technical field of rehabilitation instruments and comprises a first fixing support, and two first binding devices are fixedly arranged on the first fixing support. A first mounting bracket is rotatably arranged on the first fixing bracket, a connecting rod is rotatably arranged on the first mounting bracket, a first limiting device is rotatably arranged at the other end of the connecting rod, and the first limiting device is fixedly arranged on the first fixing bracket; and an arm binding device is rotationally arranged on the first mounting bracket. The shoulder joint fixing device has the advantage of good shoulder joint fixing effect.

Various embodiments disclosed herein relate to stemmed and stemless humeral anchors for use in shoulder arthroplasty procedures. For example, the humeral anchor can include a first end, a second end, and an interior surface extending between the first end and the second end. The interior surface can be disposed about a recess disposed between the first end and the second end. The recess can be configured to secure a coupling of a shoulder articular body directly to the interior surface.

The invention provides a shoulder joint subluxation evaluation data acquisition method and system. The method comprises the steps that first shoulder joint image data of a shoulder joint area on the affected side of a patient are collected through an imaging assembly, then the imaging assembly is controlled to rotate by a preset angle value, second shoulder joint image data are collected, and then according to the first position offset of the first shoulder joint image data and the second shoulder joint image data, the first shoulder joint image data and the second shoulder joint image data are obtained. Determining an imaging assembly compensation angle according to the first position offset of the first shoulder joint image data and the second position offset of the second shoulder joint image data and the standard shoulder joint image data of the first acquisition point, and finally adjusting the imaging angle of the imaging assembly according to the imaging assembly compensation angle. Therefore, the shoulder joint subluxation evaluation data acquisition of the first acquisition point is completed, so that the standardization degree and objective consistency of the shoulder joint subluxation evaluation data acquisition are effectively improved.

A stemless prosthetic shoulder joint may include a prosthetic humeral head and a stemless base. The stemless base may include a collar and an anchor extending from the collar intended to anchor the base into the proximal humerus. The base may include a proximal collar having a proximal surface and a bone-engaging surface opposite the proximal surface. The collar may have a superior portion and an inferior portion, the superior portion defining an arc shape and the inferior portion defining a substantially triangular shape.

The utility model relates to the field of medical auxiliary instruments. A shoulder joint operation drilling positioning device comprises a guide part, the guide part comprises a hollow guide rod and a positioning transverse guide rod which are sequentially connected, an operation channel used for building a drilling channel is formed in the hollow guide rod, and the positioning transverse guide rod is connected with the area, located above the operation channel, of the hollow guide rod; the guide direction of the operation channel is parallel to the length direction of the positioning transverse guide rod; the positioning piece comprises a baffle plate and a connecting handle which are connected with each other; a guide groove for embedding the positioning transverse guide rod and guiding the positioning transverse guide rod to slide is formed in the top of the baffle, and an opening is formed in the upper end of the guide groove; when the positioning transverse guide rod is located on the guide groove, the operation channel right faces the baffle. According to the utility model, the positioning transverse guide rod guided by the guide groove is embedded into the positioning transverse guide rod, so that a drilled bone tunnel is ensured to be parallel to the surface of an original glenoid cavity, the upper edge of a coracoid graft is recovered to the original height of the defective glenoid cavity, and the stability of a humeral head in the glenoid cavity after operation is ensured.

The application discloses an upper limb supporting exoskeleton based on a negative pressure occlusion variable stiffness driver, which comprises a shoulder joint supporting structure, an elbow joint supporting structure connected with the shoulder joint supporting structure, a waist belt and a back strap; the waist belt and the back strap form a backpack type structure, and the shoulder joint supporting structure is fixed on the shoulder and back of a human body; the shoulder joint supporting structure is connected with the elbow joint supporting supporting structure through a large arm guide rail sliding block and can slide relatively to meet the wearers with different large arm lengths; a fixing plate for fixing the elbow joint supporting structure with the large arm and the small arm of the wearer is arranged on the elbow joint supporting structure. The upper limb supporting exoskeleton based on the negative pressure occlusion variable stiffness driver adopts the variable stiffness driver as part of the joints of the robot, guarantees sufficient degrees of freedom and supporting effect, improves the adaptability of the whole system, allows the wearers to change the stiffness of part of the joints according to the self needs and environmental conditions, and makes the activities of the wearers in the non-working state more flexible and the movement resistance smaller.

The utility model relates to the technical field of robots, and discloses a modularized bionic quadruped robot which comprises a body part, four shoulder joints are arranged on the side face of the body part, knee joints are rotationally connected to the ends, away from the body part, of the shoulder joints, walking supporting feet are arranged at the ends, away from the shoulder joints, of the knee joints, and inserting columns are fixedly installed on one sides of the walking supporting feet. Inserting grooves matched with the inserting columns are formed in the ends, close to the walking supporting legs, of the knee joints, first locking threaded rods penetrate through the opposite side faces of the inserting columns, and first adjusting grooves which penetrate through the side faces of the knee joints and are matched with the first locking threaded rods are formed in the opposite side walls in the inserting grooves. According to the walking support leg, the inserting column is inserted into the inserting groove, the first locking threaded rod penetrates through the knee joint and the inserting column and locks the first locking nut, the walking support leg can be conveniently installed and replaced, the replacement cost of the walking support leg is reduced, and the distance between the walking support leg and the knee joint can be adjusted according to the actual situation; and the application range of the robot is widened.

A shoulder joint rehabilitation training brace, wherein the trunk guard plate on the trunk support, the upper arm guard plate on the upper arm support, and the forearm guard plate on the forearm support are respectively placed on the human trunk, upper arm, and forearm to form support; the forearm support and the upper arm support are hinged at the human elbow, and the trunk support and the upper arm support are connected through a joint rotor and a joint support, the middle part of the joint rotor is rotatable and the two ends are respectively hinged to the upper arm support and the joint support to achieve rotation in multiple directions and dimensions, and an isokinetic muscle trainer can also be installed at the hinged parts between the components, and the isokinetic muscle trainer forms a resistive isokinetic motion through the isokinetic muscle trainer to better exercise muscle strength. The shoulder joint rehabilitation training brace has a simple structure and is easy to wear, and has excellent fixing and supporting effects, and can achieve movement in multiple directions, thereby facilitating patients to complete various active and passive movements required for rehabilitation, greatly improving the rehabilitation effect.

The invention discloses a robot dog leg structure based on a joint module. The robot dog leg structure comprises a shoulder joint module, a frame, a knee joint module, a hip joint module, a thigh structure, a shank structure and a transmission shaft. The knee joint module and the hip joint module are arranged on the frame side by side, the output end of the knee joint module and the input end of the hip joint module are matched to be located on the same side, and the hip joint module and the knee joint module are both gear motors, so that the gear motors replace an existing motor acceleration and deceleration machine direct connection driving mode; the overall structure is simpler and is more compact in cooperation with the side-by-side arrangement mode, meanwhile, the transverse distance between the knee joint module and the hip joint module is closer, the space compactness is guaranteed, and meanwhile the transmission process is more stable due to the fact that the load ends of the knee joint module and the hip joint module are arranged in a separated mode.

The invention discloses an upper limb personalized rehabilitation training method based on a human body motion model. The method comprises the following steps: S1, fixing wearable positioning sensors on shoulder joints, elbow joints and wrist joints of human body upper limbs through bandages; s2, the computer initializes internal data of the wearable positioning sensor through Bluetooth connection of the wearable positioning sensor; s3, one of the multiple upper limb teaching actions is selected as a target training upper limb teaching action, and the arm posture of the teaching model is changed through built-in data; s4, according to corresponding rehabilitation actions (target training upper limb teaching actions) in the mode selected by the trainee, the computer processes the collected exercise data of the trainee, and the upper limb exercise state of the trainee is mapped to a virtual scene; s5, displaying the action difference between the user arm model and the teaching doctor in the virtual scene for the training personnel, and enabling the training personnel to adjust the actions by themselves; and S6, comparing the joint angle data of the trainee with the standard joint angle data.

The invention discloses a shoulder joint autonomous rehabilitation training tool, and belongs to the technical field of medical rehabilitation training instruments, the shoulder joint autonomous rehabilitation training tool comprises a cross-shaped supporting plate, and further comprises a fixing device, a rotating device, a connecting mechanism and a pressing driving device, the fixing device is installed on the lower side of the cross-shaped supporting plate, and the rotating device is installed on the lower side of the cross-shaped supporting plate; the two rotating devices are symmetrically installed on the left side and the right side of the cross-shaped supporting plate in the left-right direction along the center axis of the cross-shaped supporting plate, the connecting mechanisms are installed in the directions, close to the center axis of the cross-shaped supporting plate, of the rotating devices, and the pressing driving device is installed on the middle side of the pressing driving device. The pressing driving device comprises fixing rods, a sliding sleeve, a spring and a connecting frame, the multiple fixing rods are fixedly installed on the rear side wall of the cross-shaped supporting plate, the sliding sleeve is slidably connected to the fixing rods, and the spring is arranged in the sliding sleeve. By means of the mode, shoulder joints on the two sides of a patient can be exercised at the same time, and the shoulder joints can be exercised continuously and uninterruptedly by a single person.

An orthosis having a strap arrangement which is designed to engage on an arm section at the elbow or adjacent to the elbow of the arm extending from the first shoulder joint, which is to be immobilized, in order to fix the elbow frontally on the body of the patient. The strap arrangement has a first strap section which is provided for at least partially looping around the arm section. The strap arrangement has a second strap section which is provided for at least partially looping around the arm section, and is incorporated into the strap arrangement such that, in the fitted state of the orthosis, the second strap section exerts on the arm section a second force which has at least a second component running parallel to the sagittal plane of the patient and horizontally.

The present invention relates generally to minimally invasive, cost-effective, adaptable methods, systems, and devices used to repair anatomical joint conditions. The repair may be necessitated by trauma, disease or other conditions. The anatomical joint may specifically include mammalian joints such as the knee, shoulder, elbow, wrist, finger, hip, spine, toe and ankle, for example. The methods, systems, and devices disclosed herein include leveraging the significant (and often unappreciated) role the subchondral bone plays in the health status of the afflicted anatomical joint.

The invention provides an upper limb joint rehabilitation device, and relates to the technical field of medical instruments, and the upper limb joint rehabilitation device comprises a finger joint rehabilitation device which comprises a finger joint driving mechanism and a finger joint resetting mechanism; the wrist joint rehabilitation device comprises a wrist joint driving mechanism and a wrist joint resetting mechanism; the elbow joint rehabilitation device comprises an elbow joint driving mechanism and an elbow joint resetting mechanism; the shoulder joint rehabilitation device comprises an upper arm transverse swinging mechanism and an upper arm vertical swinging mechanism; the base is fixed to the side, close to the corresponding upper limb, of the body of the patient, the shoulder joint rehabilitation device is arranged on the base, and the shoulder joint rehabilitation device, the elbow joint rehabilitation device, the wrist joint rehabilitation device and the finger joint rehabilitation device are sequentially connected. The invention provides an upper limb joint rehabilitation device which is simple, light and convenient to popularize.

A shoulder orthosis configured to control a position of the humeral head / arm relative to a shoulder joint by adjusting tension across a joint. The orthosis allows a user to modify a direction and magnitude of force applied while wearing the orthosis. The orthosis may contain cams or extensions to direct and amplify force around the joint towards a specific range of motion. The orthosis can be made from digitally imaging joints and then partially or fully automating the design of orthosis.

The present invention discloses a robot dog leg structure based on a joint module, comprising a shoulder joint module, a frame, a knee joint module, a hip joint module, a thigh structure, a calf structure and a transmission shaft; the knee joint module and the hip joint module are arranged side by side on the frame, and the output end of the knee joint module and the input end of the hip joint module are located on the same side, and the hip joint module and the knee joint module are both reduction motors, so that the reduction motor replaces the existing direct connection driving mode of the motor and reducer, and the overall structure is simpler, and the side-by-side arrangement makes the overall structure more compact. At the same time, the lateral distance between the knee joint module and the hip joint module is closer, ensuring a compact sense of space. At the same time, the separate arrangement of the load ends of the knee joint module and the hip joint module can make the transmission process smoother.