49 results about "Humerus bone" patented technology

Provided is a combined guidance for reaming and cutting, including: a reamer guidance configured to guide reaming of a humerus; a first humeral guidance press-fitted with the reamer guidance and having a surface tailored to a humerus head; a second humeral guidance having a surface tailored to an intertubercular groove of the humerus head; and a cutting guidance mutually coupled to the reamer guidance, the first humeral guidance, and the second humeral guidance.

The utility model discloses an efficient positioning type shoulder joint wear test tool, which particularly relates to the shoulder joint wear test field and comprises a box body, a support plate is arranged at the bottom of an inner cavity of the box body, an insertion rod is inserted in the middle of the support plate, two ends of the insertion rod are fixedly connected with a balloon and a toothed plate respectively, and an angle adjusting mechanism is arranged at the bottom of the toothed plate. Limiting blocks are symmetrically arranged on the upper and lower sides of the two ends of the supporting plate. The controller controls the first electric push rod to be started to sequentially adjust the orientation and the position of the balloon, meanwhile, the controller controls the third electric push rod to be started to sequentially adjust the position of the humerus head prosthesis, and therefore the humerus head prosthesis is located over the balloon all the time through detection of the displacement sensor, the efficient positioning effect is achieved, and the positioning accuracy is improved. The positioning and mounting efficiency is improved, the testing efficiency is improved, the humerus head prosthesis can be sequentially controlled to rotate through a starting motor and a second electric push rod, extrusion testing is conducted on the balloon, and the using effect is improved.

The utility model relates to a PET (Polyethylene Terephthalate) patch for an inner support of a shoulder joint. The PET patch for the inner support of the shoulder joint is formed by weaving PET materials. The shoulder joint inner support PET patch comprises a fixing section and a traction section which are oppositely arranged, the traction section comprises two traction holes which are formed in a spaced mode, and reinforcing wires are woven on the hole edge of each traction hole. The shoulder joint inner support PET patch is formed by weaving PET materials, has the effects of being high in strength and not prone to dissolution, and can stably connect the humerus head and the glenoid cavity. The patch is provided with the traction hole positions at fixed intervals and the open type fixing section positions, so that perforation or threading can be performed on the fixing section according to the specification and the size of a use object to realize unified distribution, and the convenience of an operation is improved. Reinforcing wires are woven on the edges of the traction holes to improve the strength of the traction holes, pull cracks are avoided, and the traction success rate is increased.

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 utility model provides a biological material fixing assembly. The biological material fixing assembly comprises a sleeve, a fixing plate and an adjusting assembly, the sleeve is of a hollow structure and internally provided with a fixing cavity. At least one part of the adjusting assembly is sleeved with the fixing cavity, and the adjusting assembly seals the fixing cavity and adjusts the depth of the fixing cavity. One end of a to-be-tested biological material with an irregular shape, such as humerus, is placed in the fixing cavity, and the to-be-tested biological material is stably fixed without being damaged by pouring the thermocuring denture resin curing medium into the fixing cavity.

The invention provides a novel shoulder glenoid prosthesis, which solves the problems that the shoulder glenoid prosthesis is single in type and structure, easy to loosen under cyclic load, higher in fixing risk and the like, and adopts the main scheme that the novel shoulder glenoid prosthesis comprises a shoulder glenoid prosthesis body, at least two edge fixing columns located on the side edge of the face and at least one center fixing column located in the center of the face are arranged on the face correspondingly embedded into the shoulder glenoid in a matched mode in a protruding mode, various bone cement grooves are formed in the same face, and the fixing columns are symmetrical about the center fixing column. A spherical concave feature is concavely formed in the center of the face, correspondingly matched with a humerus ball head, of the shoulder glenoid prosthesis, a dislocation-preventing high edge protrudes from one end of the same face, the concave feature and the shoulder glenoid prosthesis are eccentrically arranged, higher mechanical stability can be provided between an implant and a bone, and therefore the phenomenon of swinging a wooden horse is avoided, and the use safety of the implant is improved. The loosening risk of the shoulder glenoid prosthesis is obviously reduced, the service life of the prosthesis is prolonged, and the satisfaction degree of a patient is improved.

The invention discloses a device for measuring the stability of a shoulder joint, belongs to the technical field of auxiliary devices for tensile experiments, and can improve the measurement efficiency of the stability of a shoulder joint specimen. Comprising an MTS material testing machine, a humerus shaft fixing mechanism and a shoulder blade fixing mechanism. The humerus shaft fixing mechanism comprises a first humerus adjusting assembly, the first humerus adjusting assembly comprises a first mounting frame, a first worm, a first worm gear, a first connecting shaft, a rotating block, a first connecting rod and a first rocking handle, and the first worm gear is rotatably mounted on the first mounting frame and is engaged and matched with the first worm; one end of the first connecting shaft is fixedly connected with the first worm gear, the other end of the first connecting shaft is rotatably connected to the first mounting frame, and the central axis of the first connecting shaft coincides with the central axis of the first worm gear; the rotating block is fixedly arranged on the first connecting shaft in a sleeving manner; one end of the first connecting rod is arranged on the rotating block, and a humerus fixing clamp is arranged at the other end of the first connecting rod; the first rocking handle is arranged at one end of the first worm.

The disclosure pertains to a battery-powered personal flying apparatus comprising a body structure adapted to support and detachably couple user thereto, and a pair of wings rotationally coupled to opposite sides of the body structure. The wings preferably comprise at least a humerus portion and radius portion. The radius portion is configured to rotate relative to the humerus and, during use, the wings mimic the motion of bird flight. The disclosure further pertains to a method of facilitating human flight using the personal flying apparatus comprising the steps of maintaining the user's torso and legs in an inline and generally horizontal position, moving a pair of wings having a humerus rotatably coupled to a radius simultaneously through a wing flight pattern, and repeating the wing fight pattern to maintain flight of the user.

Provisional alignment tools and associated methods for computer-assisted orthopaedic surgical procedures are disclosed. One such method comprises pinning a bone tracking assembly to a patient's bone, attaching a provisional alignment tool to the bone tracking assembly such that the provisional alignment tool maintains a cutting guide attached to the provisional alignment tool in an initial position, receiving feedback from a surgical navigation system regarding a difference between the initial position and a planned position for the cutting guide in a surgical plan for the orthopaedic surgical procedure, adjusting one or more components of the provisional alignment tool to move the cutting guide into the planned position, pinning the cutting guide to the patient's bone while the provisional alignment tool maintains the cutting guide in the planned position, and cutting the patient's bone while the bone tracking assembly remains pinned to the patient's bone.

The utility model provides a proximal humerus weight lifting swing training device. The proximal humerus weight lifting swing training device comprises a wrist fixing belt, a hand grabbing rope belt and an annular hanging buckle. The two ends of the wrist fixing band in the length direction are detachably connected; the length direction of the hand grabbing rope belt is parallel to the width direction of the wrist fixing belt, one end of the hand grabbing rope belt is connected to the wrist fixing belt, the annular hanging buckle is installed at the other end of the hand grabbing rope belt, and the annular hanging buckle is used for hanging heavy objects. The device is fixed on the wrist of a patient, a heavy object is hung on the device through the annular hanging buckle, and the patient can lift the heavy object to carry out hand swinging exercise by grasping the rope belt with hands, so that the heavy object cannot fall off due to the limitation of the annular hanging buckle, and the accident that the heavy object hurts the patient is avoided.

The utility model belongs to the technical field of medical instruments, and discloses a fixator for rotator cuff repair. The fixator for rotator cuff repair comprises a fixing part, a first anchor and a second anchor, a first through hole and a second through hole are formed in the two ends of the fixing part respectively, a first spherical groove is formed in the first through hole, and a second spherical groove is formed in the second through hole. A first anchor penetrates through the first through hole, and one end of the fixing piece is fixed to the humerus; the second anchor penetrates through the second through hole, the other end of the fixing piece is fixed to the rotator cuff, fixing of the rotator cuff and the humerus is achieved, operation is easy, the fixing effect is good, the probability of tearing again can be reduced, and muscle healing is facilitated. The head of the first anchor rotates relative to the first spherical groove to change the fixing direction of the first anchor, the head of the second anchor rotates relative to the second spherical groove to change the fixing direction of the second anchor, the fixing position can be adjusted in the operation according to the specific structures of the rotator cuff and the humerus, and the applicability is good.

The invention discloses a release device for a rotator cuff gap. The release device comprises an elastic arm binding belt, a wearable fixing device, a hard outward traction arm, a backward traction strip, a lateral traction strip and a hard inward fixing arm, wherein the hard outward traction arm is fixedly arranged on the wearable fixing device, the backward traction strip and the lateral traction strip are fixedly arranged on the hard outward traction arm, and the hard inward fixing arm is movably connected to the wearable fixing device. The invention further provides a method for releasing the rotator cuff gap. The method adopts the device for releasing the rotator cuff gap. According to the humerus internal distal end fixing device, the humerus internal distal end can be fixed, the humerus head can be transversely and outwards pulled, then the rotator cuff gap can be automatically released, and then auxiliary treatment of collision between the coracoid and the humerus head after the rotator cuff gap is narrowed is facilitated.

The invention provides a shoulder joint and humerus integrated magnetic resonance coil, and belongs to the technical field of medical instruments. Comprising a coil body, a shoulder joint component, a wrist joint component and a fastening assembly. The shoulder joint component and the wrist joint component are arranged at the two ends of the coil body respectively. The coil body and the wrist joint component are both flexible bodies. The coil main body and the wrist joint component are arranged, the coil main body and the wrist joint component are flexible coils which are relatively soft on the whole, and the coil main body and the wrist joint component are integrally designed during use and are integrally wrapped during wrapping, so that a lesion position can be positioned in the center of the coil, and the magnetic resonance imaging effect is improved; and the flexible coil is made of a soft material, so that the flexible coil can be more tightly attached to a patient.

In some aspects, a shoulder implant with improved joint mobility includes a backing component, a neutral non-tilted bearing component, and a peg. The neutral non-tilted bearing component is positioned on a concave side of the backing component. The bearing component is made of a different material than the backing component and is configured to touch a glenosphere having a center of rotation, the bearing component being substantially radially symmetric. The peg extends from the backing component and is configured to connect to a humeral stem. A longitudinal axis of the peg of the backing component is offset from the center of rotation of the glenosphere, and a longitudinal axis of the backing component is aligned with the center of rotation of the glenosphere.

The invention relates to an apparatus (100) designed and configured for severing tendons connecting a humerus or parts thereof to a shoulder girdle and / or shoulder girdle muscles on poultry carcasses (250) from which the wings have been removed but which still have at least parts of a humerus and are transported along a transport path in a transport direction T, which apparatus is characterized by a framework (102), two severing units arranged on the framework (102), wherein each severing unit comprises a severing means designed and configured for severing in each case at least one of the tendons located on both sides of the poultry carcass (250), actuation means for actuating the severing means, and adjustment means by which at least parts of the severing units carrying the severing means are moved from a standby position to a severing position, lying in the transport path of the poultry carcasses (250), and back again.

A processing method using a surgical guide, in relation to an example of the present invention, may comprise: a first step of obtaining at least one medical image among a CT image and an MRI image; a second step of pre-processing the at least one medical image and segmenting same into the humerus head of the humerus and other structures; a third step of generating a three-dimensional (3D) digital structure model for a shoulder joint of a patient by using the segmented image; a fourth step of establishing, on the basis of the digital structure model, a virtual plan for determining a resection surface for the humeral head; a fifth step of generating, on the basis of information about the resection surface determined in the virtual plan, design information for manufacturing the surgical guide; and a sixth step of generating the surgical guide by means of 3D printing technology using the design information.

The present invention provides a humeral component in a shoulder joint prosthesis, belonging to the technical field of medical prostheses. It includes a glenoid liner, the bottom of the glenoid liner is provided with an anti-shoulder humeral body, the bottom of the anti-shoulder humeral body is provided with a mounting top plate, the bottom of the mounting top plate is provided with six groups of threaded holes distributed at equal angles, and also includes a reducer assembly, the reducer assembly is installed at the bottom of the mounting top plate at equal angles, and the reducer assembly is provided with multiple layers distributed at equal intervals in the vertical direction. The present invention is provided with a support assembly, and through the stability of the hexagonal lattice of the mounting frame, the bone cement is separated, so that the bone cement in the humeral cavity provides solidification support to the surrounding bone cement in layers and blocks, thereby increasing the solidification speed of the bone cement, improving the stability of the installation of the prosthetic bone handle, ensuring that no cavity is generated after the bone cement is filled, and making the prosthetic component more tightly installed on one side of the humerus.

The disclosure pertains to a battery-powered personal flying apparatus comprising a body structure adapted to support and detachably couple user thereto, and a pair of wings rotationally coupled to opposite sides of the body structure. The wings preferably comprise at least a humerus portion and radius portion. The radius portion is configured to rotate relative to the humerus and, during use, the wings mimic the motion of bird flight. The disclosure further pertains to a method of facilitating human flight using the personal flying apparatus comprising the steps of maintaining the user's torso and legs in an inline and generally horizontal position, moving a pair of wings having a humerus rotatably coupled to a radius simultaneously through a wing flight pattern, and repeating the wing fight pattern to maintain flight of the user.

The present disclosure discloses a shoulder joint prosthesis containing zirconium-niobium alloy on oxidation layer and a preparation method thereof, the preparation method comprises: using zirconium-niobium alloy powder as a raw material, conducting a 3D printing for one-piece molding to obtain an intermediate products of the humeral handle with articular surface and the scapular glenoid plate, and performing Sinter-HIP, cryogenic cooling and surface oxidation to obtain humeral handle with articular surface and scapular glenoid plate. The prosthesis comprises a humeral handle, an articular surface, a humeral head and a scapular glenoid plate, a bone trabeculae is arranged on the outer surface of the upper part of the humeral handle, the upper surface of the scapular glenoid plate and the outer surface of the circular pipe with internal thread.

The present invention relates to a glenoid component comprising a body (204) including: an articulation surface (206) defining a concavity that is adapted to receive at least a portion of a humeral component, and a distal surface (108) adapted to face a glenoid of the scapula, the distal surface (108) including: a base surface portion (116) adapted to face a first portion of the glenoid, and an augmented surface portion (118) that is adapted to face a second portion of the glenoid, wherein the base surface portion (116) has a first convex surface (116a), wherein the augmented surface portion (118) has a second convex surface (118a), wherein the first convex surface (116a) has a first radius of curvature and the second convex surface (118a) has a second radius of curvature, wherein the first radius of curvature and the second radius of curvature are different, and wherein the base surface portion (216) and the augmented surface portion (218) intersect at an interface (226).

Intra-operative adjustment system (1) for a reversed total shoulder arthroplasty procedure, the intra-operative adjustment system comprising a trial humeral articular component (2) configured for mounting on a stem (104) of a humeral assembly (102) of a reversed total shoulder arthroplasty prosthesis (101), the trial humeral articular component (2) comprising a trial metaphysis component (4) having a housing (41), a sensor system (5) mounted in the housing (41), and a trial liner (3) removably mountable to the housing (41) and configured for coupling to the sensor system (5), the sensor system (5) including a force sensing system (6). The force sensing system (6) comprises a shear force sensing device (8) configured for measuring a shear force acting on the trial liner (3) in a shear plane (Sxy) and a compression force sensing device (10) configured to measure a compression force acting on the trial liner (3) in a compression direction (Z) orthogonal to the shear plane.

The invention discloses a positioning frame for in-vitro perforation and screw implantation of a humerus handle, and relates to the technical field of orthopedic surgical instruments, the positioning frame comprises a connecting frame, a main body frame, a sleeve device and an adjusting device; the connecting frame can rotate relative to the medullary cavity nail; the connecting frame is connected with the main body frame in a sliding manner; the sleeve device comprises a fixed cylinder and a movable cylinder; the movable cylinder is movably connected with the fixed cylinder; a first cavity and a second cavity are respectively formed in the fixed cylinder and the movable cylinder; the adjusting device comprises a rotating piece; the rotating piece is rotationally connected with the main body frame; the end, away from the medullary cavity nail, of the connecting frame penetrates through the rotating piece and is in threaded fit with the rotating piece. According to the device, a doctor can conveniently punch and plant nails at different positions of the humerus of a patient, and meanwhile, the nail planting effect can be effectively improved, so that the effect of the humerus fracture surgical operation can be effectively improved.

To provide a humeral prosthesis for replacing a proximal humerus.SOLUTION: A humeral prosthesis includes a prosthesis body which includes a lateral surface, a medial surface, an anterior surface, a posterior surface, and a first superior surface. The lateral surface has a spherical curvature. The anterior and posterior surfaces are each planar and each intersect the first superior surface, the lateral surface, and the medial surface. A first bore extends through the first superior surface and into the prosthesis body. The prosthesis body also includes a plurality of suture openings.SELECTED DRAWING: Figure 9C

To provide a shoulder implant system.SOLUTION: A shoulder implant system 100 includes: a humeral stem implant 110, which is placed within the patient's humerus; a humeral head implant component 250, which has a convex outer surface 255 that engages with a concave surface of a glenoid implant 310; and a humeral neck implant component 210, which is connected to each of the humeral stem implant 110 and the humeral head implant component 250, thereby linking them together. A gap G is formed between opposing surfaces, facing each other, of the humeral stem implant 110 and the humeral head implant component 250.SELECTED DRAWING: Figure 1B

The invention relates to a system and method for automatically generating shoulder surgery recommendations for a patient. A system for automatically generating shoulder surgery recommendations for a patient, the system comprising: a memory configured to store patient-specific image data for the patient; and processing circuitry configured to: receive patient-specific image data from the memory; determining, based on the patient-specific image data, one or more soft tissue features and a bone mineral density metric associated with the patient's humerus, where the one or more soft tissue features include at least one of a fat penetration value or an atrophy rate of the one or more soft tissue structures of the patient; generating a recommendation for a type of shoulder surgery to be performed by the patient based on at least one of a fat penetration value or an atrophy rate of the one or more soft tissue structures of the patient; generating a recommendation of a humeral implant type for the patient based on the humeral-related bone mineral density metric; and outputting suggestions for the patient of the shoulder surgery type and the humeral implant type.

This application discloses a brace for fixing humeral shaft fractures, including a separate cuff, an elbow strap, and a forearm cuff. The separate cuff and the forearm cuff are connected by the elbow strap. The separate cuff has a layer spaced apart for placing an aluminum splint, and multiple mesh pockets on its inner side for placing pressure pads, allowing for the placement of pressure pads according to the direction of displacement to correct angular displacement. An elastic connecting band is provided in the middle of the separate cuff. This application uses a separate cuff for fixing the humeral shaft, and by placing a counterweight on the outside of the elbow strap, a downward traction force is applied to the humeral shaft from below. The elastic connecting band does not obstruct the downward movement of the second cuff, thereby correcting the shortening displacement of the humeral shaft in real time and effectively preventing re-dislocation of the humeral shaft.

The present invention provides an artificial shoulder joint prosthesis with high mobility, belonging to the technical field of medical devices. It includes a glenosphere head, a shoulder pelvis back plate is arranged on one side of the glenosphere head, fixing screws are arranged at equal angles on the inner side of the shoulder pelvis back plate, a glenoid liner is sleeved on the outer side of the glenosphere head, and an angle assembly is also included, the angle assembly is installed on the outer side of the glenoid liner, the angle assembly is used to increase the movable angle of the glenoid liner, and a telescopic assembly is installed at the tail of the angle assembly, and the telescopic assembly is used to change the insertion length of the bone stem in the humerus. The present invention is provided with an angle assembly, the glenoid liner rotates with the universal ball head, the glenosphere head and the glenoid liner produce relative displacement, the flexibility of the shoulder joint prosthesis is improved, the wear of the glenoid liner and the glenosphere head in contact and rotation is reduced, the service life is increased, and the comfort of the patient during rehabilitation training is improved.