39 results about "Bony pelvis" patented technology

A trial system for a prosthesis is described. The prosthesis can include an acetabular prosthesis generally for implantation in an acetabulum and the surrounding pelvis. The acetabular prosthesis includes an acetabular cup having a substantially concave inner surface and a substantially convex outer surface. One trial shell or a collection of trial shells are provided to trial a range of motion of the hip joint before implanting a shell prosthesis into the acetabular prosthesis.

A trial system for an acetabular prosthesis is described. The acetabular prosthesis is generally for implantation in an acetabulum and surrounding pelvis. The acetabular prosthesis includes an acetabular cup having a substantially concave inner surface and a substantially convex outer surface. The described acetabular prosthesis is especially useful in revision hip implant procedures where significant bone tissue loss has occurred either in or around the acetabulum and / or the pelvis. A trial shell is provided to trial a range of motion of the hip joint before implanting a prosthetic shell into the acetabular prosthesis.

An acetabular component prosthesis adapted for affixation in a recess in a pelvis, comprising:a cup shell having a generally convex outer surface adapted to be in contact with the bone in use, a generally concave inner surface and a rim;at least one pair of substantially adjacent flanges extending from the outer surface of the cup at a point proximal to the rim of the cup and angled at angle θ downwardly thereto;one flange of the pair being at an equal but opposite angle α to a plane extending across the apex of each of the flanges to the other of the pair; andat least one aperture in each of the pair of flanges through which in use fixation means may be passed to fix the cup into the recess in the pelvis.

A dual mobility femoral head construct has a secure acetabular shell received within an acetabular recess formed in a pelvis. An implantable prosthetic device is implantable after a failure of an originally installed articular head insert of an acetabular cup assembly. A hemispherical liner is formed from a cast cobalt-chromium alloy for thinness and elasticity. At least three spacers are annularly displaced about an outer diameter of the hemispherical liner to define a uniform cement thickness with the secure acetabular shell. Web shaped depressions are formed circumferentially in the outer diameter of the hemispherical liner to receive cement to resist lever out forces and to secure the cement bond with the secure acetabular shell. A replacement articular head insert is then received for dual mobility rotational movement in an inner diameter of the hemispherical liner. A femoral head implant is received for articulating movement in the articular head insert.

The invention provides a six-degree-of-freedom series- reduction robot for fracture of pelvis. The six-degree-of-freedom series- reduction robot comprises a chassis assembly, a serial-connection platform assembly, a series- connection assembly, a parallel-connection platform assembly and an outer fixing frame assembly, wherein the chassis assembly is arranged at the bottom end of the robot and in contact with the ground through four universal wheels; the serial-connection platform assembly is positioned above the chassis assembly and fixedly connected with the chassis assembly; the outer fixing frame assembly is connected with the parallel-connection platform assembly and integrally connected with the series-connection platform assembly through the series-parallel connection assembly. The robot can replace a doctor to perform the reduction of fracture of pelvis, so that the labor intensity of the doctors can be reduced; the series-parallel platform assembly is a three-degree-of-freedom linear moving mechanism and the parallel-connection platform assembly is a three-degree-of-freedom rotary moving mechanism, and the series-parallel connection mechanism formed by combining the two mechanisms can perform six-degree-of-freedom movement; the robot has the advantages of being high in precision, high in loading capacity and rigidity, reasonable in working space, and compact in structure.

Motion data of a model object is blended based on individual blend ratios βA and βB that are set for each bone of a skeleton. The individual blend ratios βB for bones at end portions of the skeleton (weapons, hands, and feet) are high whereas those for main structural components (pelvis and chest) are low. A general blend ratio α that is set uniformly for all the bones of the skeleton is also used. A plurality of motion control sections are made to operate simultaneously in parallel to select the motion data, based on motion scripts in which motion data to be selected and motion script switching conditions are defined, and the selected motion data is blended. A group of transitional motion scripts and a group of attack motion scripts are allocated to the first and second motion control sections, and transitional motions and attack motions are blended.

Devices and methods for targeting and isolating specific regions of the gluteus muscle groups use a resistive band extending over an exerciser's pelvis region while performing gluteus bridge exercises. By adjusting the position of his or her body on the exercise board, an exerciser may precisely target and tone specific regions of the gluteus muscle group. Additional anchor points and cables may be used to perform many additional exercises with the exercise system.

In a method for determining the angle of anteversion and / or the angle of inclination of an acetabulum in a pelvic bone, in order to achieve a simplification, a method is proposed, wherein prominent points on the pelvic bone are non-invasively determined, these prominent points are joined by an individual plane, and this individual plane is respectively rotated through predetermined, specific angular magnitudes for the angle of inclination and the angle of anteversion, respectively, and the angle between the rotated individual plane and a main plane of the pelvic bone is determined in order to determine the angle of inclination and the angle of anteversion.

A spine regularity rotation motion device includes a T-shaped hanger, a neck traction belt, an n-shaped base, and a horizontal rotary drive platform, wherein the T-shaped hanger is connected to the neck traction belt via a pulling belt at one end, and is connected to the n-shaped base through a main elevating post at another end. A user can rest his face on the neck traction belt, which is gently pulled upwards to increase the space between the cervical joints and align the spine to the center. The horizontal rotary drive platform is provided inside the n-shaped base with a correction seat on the top for the user to sit on. The seat allows the hip of the user to move in a regularity rotation manner that is opposite to the directions of the twisted and / or bent lumbar spine or skewed pelvis. An underarm support is also provided to raise the spine and reduce stacking to facilitate the rehabilitation process.

The invention discloses a novel multifunctional anchoring type pelvis bolt imbedding guider. The novel multifunctional anchoring type pelvis bolt imbedding guider comprises three parts, namely an outer guider, an inner sleeve and an inner core, wherein the outer guider is provided with an extension handle, a fixed bolt and a mounting hole, a handle is integrally fixed at the right end of the extension handle, an outer sleeve is fixedly welded to the left end of the extension handle, and the inner sleeve is arranged on the left side of the outer sleeve; and the inner core is arranged on the left side of the inner sleeve. The novel multifunctional anchoring type pelvis bolt imbedding guider is provided with the outer sleeve, the extension handle and the handle, the outer sleeve, the extension handle and the handle mutually cooperate to form the outer guider, and the outer guider formed by the outer sleeve, the extension handle and the handle mutually cooperates with the inner core and the inner sleeve, so that a hollow nail guiding needle and a hollow drill can be imbedded through the whole guider, and an outer fixed frame needle can be directly imbedded through whole guider.

The invention discloses a pelvis repairing instrument convenient to adjust. The pelvis repairing instrument comprises a limiting rod, a slider is connected with the lower portion of the limiting rod,the lower portion of the slider is connected with a left shell, a toothed groove is connected with the lower portion of the left shell, and connection rods are arranged at the two ends of the toothedgroove respectively. Clamping buckles are arranged on the upper portion of the toothed groove, the lower portion of the left shell is provided with fixing teeth, a base is arranged on the lower portions of the fixing teeth, an air bag is installed on the upper portion of the base, and a right shell is arranged on one side of the air bag. In the pelvis repairing instrument, the position of the limiting rod is adjusted through the slider, and the connection rods move so as to drive the toothed groove to move, so that the toothed groove is separated from the fixing teeth; the toothed groove is fixed through the clamping buckles, so that it is achieved the left shell and the right shell move, the distances between the left and right shells and the air bag are adjusted, the hips are precisely fixed, and the repairing quality and effect are ensured. By means of the pelvis repairing instrument, it is easily and conveniently achieved that the hips of different sizes are fixed, and the repairing requirements of users are met.

The invention discloses a novel symphysis pubis dissection bone fracture plate and a design method thereof, and relates to the field of medical apparatus and instruments. The novel symphysis pubis dissection bone fracture plate comprises a bone fracture plate main body, the two ends of the bone fracture plate main body are connected with two bone fracture plate supporting arms, six first oval common screw holes are formed in the bone fracture plate main body in a penetrating mode, two first round locking screw holes and a second oval common screw hole are formed in each bone fracture plate supporting arm in a penetrating mode, a plurality of first pre-bending grooves are formed in the side face of each bone fracture plate supporting arm, a side arm structure is fixedly connected to the side face of the bone fracture plate main body, and the bone fracture plate main body, the bone fracture plate supporting arms and side arms are integrally designed. According to the novel symphysis pubis dissection bone fracture plate and the design method thereof, the pelvis anterior ring injury can be stereoscopically fixed by means of the cooperative use of common screws and locking screws, and the fixing stability is greatly improved; and the bone fracture plate can assist the pelvis anterior ring in fracture reduction, shorten the operation time, reduce the operation wound and promote the accelerated rehabilitation of a patient through different designs of the size and the shape of the bone fracture plate.

An acetabular drill pin comprising an elongated shaft having a proximal end and a distal end opposite thereof along a longitudinal axis of the shaft; at least two depth markings along the shaft, each of the at least two depth markings being positioned a pre-defined distance from the distal end of the shaft; and a fluted portion proximate the distal end of the shaft, the fluted portion being disposed between a shoulder and a flat-bottom milling tip, the tip being configured to penetrate a peri-acetabular area of a pelvis as the fluted portion is imparted with rotary motion.

The invention relates to a pneumatic humanoid robot system. The pneumatic humanoid robot system uses pneumatic muscles to simulate human muscles to drive hip joints, knee joints, ankle joints, waist joints, shoulder joints, elbow joints and wrist joints to move and has the function of completely simulating human joint movement. The pneumatic humanoid robot system is mainly composed of pelvis, ribs, vertebrae, the pneumatic muscles, belt wheels, pneumatic claws, connecting pieces and a joint control system. Bones of the waist joints are constructed by vertebrae, ribs, chest structural members and pelvis, and long pneumatic muscles and short pneumatic muscles drive the waist joints to move together. In lower limb joints, single-joint pneumatic muscles and multi-joint pneumatic muscles are combined, and the multi-joint pneumatic muscles and the multi-joint pneumatic muscles are crosswise combined to drive the lower limb joints to move. Multi-joint pneumatic muscles in upper limb joints form antagonistic muscles to drive the shoulder joints and the elbow joints to move. The pneumatic humanoid robot system is driven by the pneumatic muscles, has the characteristics of being compact in structure, good in flexibility and diversified in pneumatic muscle state, and can be used for teaching and demonstration.

An aid device for the motor disabled, suitable for allowing walking of transfemoral amputees, having: a lower-limb prosthesis of an amputated limb; a lower-limb orthosis suitable to be worn at a sound contralateral lower-limb; an orthotic pelvis module connecting the prosthesis to the lower-limb orthosis; and a control unit for the operational coordination of movements of the prosthesis and the lower-limb orthosis.

The invention provides a 3D printing method for a large-size complex-structure bone tissue. The 3D printing method comprises the following steps that a bone tissue model is established by utilizing modeling software according to the to-be-printed bone tissue; the bone tissue model is divided into at least two sub-models; the at least two sub-models are guided into a printer to be subjected to 3D printing, and a bone tissue structure module is generated; and the bone tissue structures are integrated into the large-size complex-structure bone tissue by adopting a bonding mechanism. The method is particularly suitable for printing large-size complex-structure bone tissue models such as spines, pelvises and long bones of four limbs; the printing success rate of the divided simple structure module is greatly improved; and even if printing of the divided simple module fails, the module can be printed by being adjusted again, the printing effect of other modules is not affected, the printing time and printing materials are saved, and the printing efficiency is improved.

A spine regularity rotation motion device includes a T-shaped hanger, a neck traction belt, an n-shaped base, and a horizontal rotary drive platform, wherein the T-shaped hanger is connected to the neck traction belt via a pulling belt at one end, and is connected to the n-shaped base through a main elevating post at another end. A user can rest his face on the neck traction belt, which is gently pulled upwards to increase the space between the cervical joints and align the spine to the center. The horizontal rotary drive platform is provided inside the n-shaped base with a correction seat on the top for the user to sit on. The seat allows the hip of the user to move in a regularity rotation manner that is opposite to the directions of the twisted and / or bent lumbar spine or skewed pelvis. An underarm support is also provided to raise the spine and reduce stacking to facilitate the rehabilitation process.

The invention discloses a semi-opened and semi-closed spine ilium bolt, and relates to one of internal fixation implants which are used in spine-pelvis stable reconstruction for treating spine malformations, lumbosacral portion traumas, inflammations and tumor diseases. The semi-opened and semi-closed spine ilium bolt is characterized in that the bolt comprises a bolt cap, an intermediate body, a retainer ring and a bolt body, the interior of the bolt cap is hollow, an internal threaded hole is formed in the upper portion of the interior of the bolt cap, two waist-shaped holes are formed in the circumferential direction of the bolt cap, one waist-shaped hole is closed and is the closed waist-shaped hole of the bolt cap, and the other waist-shaped hole is opened and is the opened waist-shaped hole of the bolt cap, so that placing of a lateral connection rod is convenient; the intermediate body is provided with a hemispherical inner cavity, and the top end of the intermediate body is provided with a through hole; the head of the bolt body is of a spherical structure, the top end of the spherical structure is provided with steps, the upper end of the head is provided with a bolt internal hexagon hole, and the head of the bolt body is clamped in the bolt cap by being screwed in the retainer ring; the head of the bolt body is clamped in the bolt cap through the retainer ring so that disengagement of the bolt body cannot be achieved.

Disclosed is a split assembly type semi-pelvis replacement prosthesis. The split assembly type semi-pelvis replacement prosthesis comprises an ilium-acetabulum prosthesis, wherein the ilium-acetabulumprosthesis comprises a first smooth prosthesis body with a hemispherical structure, a first porous contact part, a saddle type supporting bracket, an ear plate provided with at least one first nail position and a plurality of first suture holes; the first smooth prosthesis body, the first porous contact part, the saddle type supporting bracket and the lug plate are integrally formed; the saddle type supporting bracket is arranged on one side of the first porous contact part, and the lug plate is arranged on one edge, adjacent to the saddle type supporting bracket, of the first porous contactpart; and the plurality of first suture holes are formed in the first smooth prosthesis body. The split assembly type semi-pelvis replacement prosthesis has the advantages that four operation schemescan be provided in total, the prosthesis is suitable for multiple cases, wherein the prosthesis is completely loaded and used in the optimal scheme, and only the iliac-acetabulum prosthesis is used inthe secondary scheme, so that selectivity is high, and the prosthesis is more convenient and simpler to use.

According to an aspect, an implantable device for penile construction includes a penile implant (100) having a distal portion (102) and a proximal portion (104). The distal portion includes a shaft portion (106) configured to be disposed in a neophallus. The proximal portion defines a first strut (110) and a second strut (112), and the proximal portion is configured to be attached to a pelvis structure.

The invention discloses a skeleton resetting device, a skeleton positioning method and device, computer equipment and a medium. The method comprises the following steps: acquiring an initial position coordinate system of a repaired skeleton before a front bone needle is mounted and a bone needle position coordinate system after the bone needle is mounted; after the initial position coordinate system and the bone needle position coordinate system are registered into the same repair coordinate system, skeleton coordinate information and bone needle coordinate information in the repair coordinate system are added to a registration image of the repair skeleton; according to the invention, the registered repaired skeleton image and the coordinate information of each part of the repaired skeleton can be accurately and visually displayed, and the problem that a plurality of X-ray images need to be shot for continuous confirmation in the existing skeleton positioning mode in the prior art is solved. And meanwhile, the problems that the mapping between the image and the actual position of the pelvis is not visual enough, and a doctor needs to judge through experience, so that the skeleton positioning is inaccurate, and the obtained skeleton coordinate information cannot be combined with the medical image of the repaired skeleton are solved.

The invention provides an osteotomy planning method based on a visual image, electronic equipment and a medium. The method comprises the following steps: acquiring a pelvis model and feature points reconstructed based on a three-dimensional medical image; selecting a target osteotomy surface in the pelvis model according to the feature points; acquiring at least three selection points on the bone surface of the target osteotomy surface; generating an osteotomy plane according to the at least three selection points; and adjusting the osteotomy plane based on the user operation instruction so as to plan the osteotomy plane at a proper position. According to the method, a doctor can effectively carry out visual osteotomy planning on the reconstructed three-dimensional model. By means of the method, a doctor can find an optimal osteotomy route suitable for subsequent adjustment according to the positions of the pelvis and the blood vessels of a patient before an operation, and a high-risk area with dead crowns can be avoided. According to the method, the uncertainty of the PAO operation can be effectively reduced, the threshold for doctors to implement the operation is reduced, and the controllability in the operation is improved.

The present invention discloses a pelvis dislocation correction device. The pelvis dislocation correction device comprises a left side correction pad, a right side correction pad and a fixing band, the left side correction pad is detachably connected with the right side correction pad, one end of the fixing band is arranged on the left side correction pad, the other end of the fixing band is arranged on the right side correction pad, the left side correction pad and the right side correction pad are completely symmetrical, the left side correction pad comprises an outer sleeve, a thread gluing, a rear side baffle plate, a supporting plate, a plurality of sliding supporting blocks, a plurality of springs and a base seat, the thread gluing is arranged on a side surface of the outer sleeve, the rear side baffle plate is arranged behind the outer sleeve, the supporting plate is arranged inside a contact surface of the outer sleeve and buttocks, the supporting plate is conformal to the buttocks, a rear part of the supporting plate is provided with a plurality of the sliding supporting blocks, a plurality of the springs are arranged between each sliding supporting block and the rear sidebaffle plate, and the sliding supporting blocks are arranged on the base seat in a sliding manner. The pelvis dislocation correction device effectively correct the buttocks during car driving, solvesa problem of buttock deformation of drivers during a car driving process and is suitable for extensive popularization and application.

The invention belongs to the technical field related to robots, and discloses a leg structure with low inertia and high load and a footed robot using the same. The leg structure includes a crotch connector, a pelvis assembly, a knee joint motor, a hip joint motor, a side swing joint motor and a leg link, wherein: the crotch connector is connected with the stators of the above three motors at the same time, and the three The rotors of the motors are respectively connected to the pelvis assembly, the motor of the side swing joint is coaxially opposite to the motor of the hip joint, the axis of the motor of the knee joint is perpendicular to the axis of these two motors, the motor of the hip joint drives the thigh connecting rod to rotate, and the motor of the knee joint drives the connecting rod of the calf The rod rotates, and the side swing joint motor drives the leg link to swing sideways, so as to realize the outward swing and retraction of the robot's legs and the flexion and extension of the thigh and calf. Through the present invention, the three joint motors are connected to the fuselage in parallel, and the pelvis assembly performs power splitting, thereby reducing the inertia of the legs, enhancing the rigidity of the legs, and improving the bearing and dynamic response capabilities.

The invention relates to a device for orthopaedics operation, and particularly relates to an aimed positioning system for treating pelvis bone fracture. The aimed positioning system comprises left and right identical I-shaped racks (1), two identical positioners (2), one connecting rod (3), two identical fixing needles (5) and two fixing bolts (6), wherein each positioner comprises a first sleeve(2.1), a second sleeve (2.2) and an arc insert handle, one ends of the first sleeve (2.1) and the second sleeve (2.2) are hinged, and the two I-shaped racks (1) are connected and fixed by the connecting rod (3) to form a rectangular structure. The aimed positioning system for treating pelvis bone fracture provided by the invention has simple structure and convenience in operation.

A spinal fixation device for securing two stabilizing rods to bone, such as the spine, pelvis or cranium, has a threaded shaft configured for fastening to bone, a first (primary) rod coupling head and a secondary rod coupling head. The threaded shaft has a longitudinal axis and the first rod coupling head is connected to the threaded shaft. The first rod coupling head has a side wall and a cavity for receiving a rod, the cavity being open toward a top of the first rod coupling head. In a neutral position of the first rod coupling head, the first rod coupling head extends symmetrically around the longitudinal axis of the threaded shaft. The second rod coupling head is rotatably connected to the first rod coupling head, around an axis of rotation. The axis of rotation is disposed at an angle that is not perpendicular to the longitudinal axis of the threaded shaft when the first rod coupling head is in the neutral position. This allows for two rods to be manipulated independently through different axis planes at any single point of bony fixation.

The invention relates to a humanoid robot based on pneumatics. The humanoid robot simulates human muscles by using pneumatic muscles to drive a hip joint, a knee joint, an ankle joint, a waist joint, a shoulder joint, an elbow joint and a wrist joint to move, and has a function of completely simulating human joint movement. The humanoid robot based on pneumatics is mainly composed of pelvis, ribs, vertebrae, pneumatic muscles, belt wheels, pneumatic claws, connecting pieces and a joint control system. The bones of the waist joint are constructed by vertebrae, ribs, chest structural members and pelvis, and the waist joint is driven to move by the long pneumatic muscles, the middle pneumatic muscles and the short pneumatic muscles; and single-joint pneumatic muscles and multi-joint pneumatic muscles in the lower limb joints are combined, and the multi-joint pneumatic muscles and the multi-joint pneumatic muscles are combined in a crossed mode to drive the lower limb joints to move. The humanoid robot is driven by the pneumatic muscles, has the characteristics of being compact in structure, good in flexibility and diversified in pneumatic muscle state, and can be used for teaching and demonstration.

A hip implant is provided that includes a metal acetabular cup to be inserted into an acetabulum of the pelvis, a femoral head and neck portion with a polymer femoral head molded onto a metal formal head base that is attached to a metal femoral neck rod configured to be inserted into the neck of a femur, and a metal main body shaft configured to be inserted into a femoral shaft region of the femur and secured by bone screws. The head base may have stabilizing features, such as dimples and peripheral mounds, over which the femoral head is molded. The main body shaft also has diagonal hole located at the center line of the neck of the femur to receive the femoral neck rod at an adjustable angle. The femoral head interfaces with the acetabular cup as a smooth plastic-to-metal spherical-surface joint.