16 results about "Humerus bone" patented technology

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 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 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.

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.

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 invention relates to the technical field of medical instruments, and discloses a modular artificial shoulder joint replacement implantation structure which comprises a shoulder glenoid assembly, a humerus head assembly, a humerus neck assembly and a humerus handle assembly, and the shoulder glenoid assembly, the humerus head assembly, the humerus neck assembly and the humerus handle assembly are detachably connected and converted. The shoulder glenoid assembly, the humerus head assembly, the humerus neck assembly and the humerus handle assembly can form a half-shoulder joint replacement structure, a full-shoulder joint replacement structure and a reverse-shoulder joint replacement structure through detachable connection and conversion, and a half-shoulder replacement system, a full-shoulder replacement system and a reverse-shoulder replacement system are integrated into one set of structure through modular design. All the components can be freely disassembled and converted, the links of research and development, testing and verification are reduced, the production cost and inventory pressure of enterprises are reduced, and therefore the expansibility and flexibility of shoulder joint replacement surgery are improved, and doctors can accurately match the components according to the specific illness state of a patient to meet the treatment requirements of different injury types.

An impactor system is for impacting a base of a shoulder implant into a humerus. The system may include a housing having distal stabilizer configured to contact a proximal resected surface of the humerus. The distal stabilizer may define an open space. An impaction member may be slidably received within the housing. The impaction member may have a proximal surface and a distal connection mechanism adapted to connect to the base of the shoulder implant. The impaction member may be movable from a first proximal position in which the base of the shoulder implant, when connected to the impaction member, is positioned within the open space defined by the distal stabilizer, to a second distal position in which the base of the shoulder implant, when connected to the impaction member, is positioned at least partially distal to the open space defined by the distal stabilizer.

In some embodiments, disclosed is a glenohumeral implant with improved joint mobility. The implant can include a backing component; a neutral non-inclined bearing component on a concave side of the backing component, the bearing component made from a different material than the backing component and configured to touch a glenosphere having a center of rotation.

The utility model provides an adjustable flexible chicken catching device, which comprises a rod body and an anti-skidding rubber sleeve sleeved at the tail end of the rod body, one end of the rod body far away from the anti-skidding rubber sleeve is connected with a hook rod, a self-adjusting mechanism is arranged on the hook rod, the self-adjusting mechanism comprises a protective block arranged on the hook rod, chutes are oppositely arranged on the hook rod, and the protective block is connected with the anti-skidding rubber sleeve. Limiting blocks slidably connected with the sliding grooves are symmetrically installed on the protection blocks, and limiting rods penetrating through the limiting blocks are fixedly installed in the sliding grooves. The protection block slides in the sliding groove through the limiting block, the limiting rod limits the sliding direction, the second spring provides elastic reset force, when a chicken is grabbed, the protection block compresses the spring under the counter-acting force of a chicken claw, the contact position is adjusted in a self-adaptive mode, dragging force is dispersed, the width of the sliding groove is matched with the gap of the limiting block, and sliding precision is ensured. The humerus and the tibia of the chicken leg are prevented from being hurt due to inclination of the protection block.

The child humerus retrograde interlocking intramedullary nail comprises a nail tail assembly and a nail rod mechanism, and the nail tail assembly comprises a tail cap pipe, a fool-proof groove and a nail planting groove; wherein the nail planting groove is formed in one end of the tail cap pipe, the nail rod mechanism is detachably installed at the other end of the tail cap pipe, the nail end mechanism is detachably installed at the other end of the nail rod mechanism, and the fool-proof groove is formed among the tail cap pipe, the nail rod mechanism and the nail end mechanism. The nail tail assembly, the nail rod mechanism and the nail end mechanism are connected in an assembling mode, so that different nail tail assemblies, nail rod mechanisms and nail end mechanisms can be selectively assembled according to actual requirements or fixing modes in the operation process so as to adapt to the complex operation environment, and the probability that the nail tail assembly, the nail rod mechanism and the nail end mechanism are damaged in the implanting process is reduced. Depending on an intramedullary nail implanting positioner, the intramedullary nail implanting device is more suitable for retrograde nail implanting, humerus of children and the like, the operation requirement for limited operation space is met, intraoperative operation can be effectively simplified, and the operation risk is reduced.

The application relates to the technical field of medical devices, in particular to a novel metal ceramic reverse type shoulder joint prosthesis system and a preparation method thereof. The system comprises a humeral stem, a humeral holder, a humeral pad, a reverse type glenoid head, a taper adapter and a glenoid holder which are sequentially assembled together. The humeral holder, the humeral pad, the reverse type glenoid head and the taper adapter are all formed by 3D zirconium niobium metal printing or forging; the humeral stem and the glenoid holder are integrally formed by 3D printing zirconium niobium alloy, and the bone combining surface is a trabecular structure; an active contact friction interface is formed between the humeral pad and the reverse type glenoid head, and the interface is a zirconium niobium surface oxidized metal ceramic interface. It can be seen that, by replacing the high polymer material component with the zirconium niobium metal ceramic component, the prosthesis system can reduce the bone cutting amount of the proximal humerus, increase the wear resistance of the friction interface, and manufacture a micro-texture structure on the friction interface to realize the super strong wear resistance and low wear of the friction interface, which is beneficial to the long-term stability after the prosthesis is implanted.

The utility model discloses a greater tuberosity humerus steel plate structure in the technical field of medical instruments, which comprises a plate body, a first bendable part and a second bendable part are mounted on the surface of the upper end of the plate body side by side left and right, and first lock nail holes are fixedly formed in the surfaces of the first bendable part and the second bendable part in a penetrating manner; three sets of sewing holes are formed in the upper portion of the surface of the plate body side by side in a left-right penetrating mode, a second lock nail hole and a third lock nail hole are formed in the portion, below the sewing holes, of the surface of the plate body in a penetrating mode, and a fourth lock nail hole is formed in the portion, below the second lock nail hole and the third lock nail hole, of the surface of the plate body in a penetrating mode; the plate body structure solves the problems that according to a traditional proximal humerus steel plate, for a greater tuberosity humerus fracture block, 3.5 locking nails easily increase the crushing degree of the fracture block, and the fracture block cannot be effectively fixed, but the two first bendable pieces and the second bendable pieces at the head end of the plate body structure and the first locking nail holes can effectively prevent the greater tuberosity humerus fracture block from moving upwards, and the fracture block cannot be effectively fixed. And a fracture block can be effectively fixed.

The utility model relates to the technical field of medical instruments, in particular to a humerus operation body position auxiliary device which comprises a first base plate, a second base plate and a connecting assembly, the first base plate is connected with the second base plate through the connecting assembly, and two adjacent sides of the connecting assembly are respectively connected with a first inserting plate and a second inserting plate. The head is fixed through the first base plate of the L-shaped structure, and the first base plate is fixed to the operating table body through the fixing plate and the bandage, so that the situation that the first base plate displaces and the like due to excessive traction on a patient in an operation, and then the operation is affected is avoided; the arm part of a patient can be supported through the design of the second base plate, so that an operation is facilitated, the first base plate and the second base plate can be connected through the design of the connecting assembly, and the stability of the first base plate and the second base plate is improved.

The present invention provides an instrument and method for removing the bone cylinder from inside the humeral head without cutting the humeral head. [Solution] The graft release bell instrument comprises a central shaft, a bell detachably coupled to the central shaft, an inner blade coupled to the central shaft, and an outer blade coupled to the bell. A method for extracting a cancellous bone graft includes inserting the graft release bell instrument into the cut portion of the bone, checking the depth of the cut portion using the scale on the side of the graft release bell instrument, rotating the graft release bell instrument to cut the cancellous bone, withdrawing the graft release bell instrument from the cut portion, and separating the graft from the graft release bell instrument.