49 results about "Bone positioning" patented technology

A system for detecting motion between an implant and a bone that can optionally include: a bone locator means configured to be coupled to the bone, an implant attachment means configured to be coupled to the implant, and a data analysis means. The implant attachment means includes a detection means, and the implant attachment means defines one or more apertures or surfaces for receiving a force from a force inducing means.

A device for use in orthopedic procedures involving the alignment and fixation of bone. The device includes a body having a bone facing surface, an opposing surface, a lateral surface being disposed between the bone facing surface and the opposing surface and a longitudinal axis extending through the bone facing surface and the opposing surface. The body defines a pin hole extending through the body from the bone facing surface to the opposing surface, a bone fastener hole extending through the body from the bone facing surface to the opposing surface, a tool hole extending at least partially through the body and an alignment index for positioning the body relative to bone.

A bone positioning guide may include a main body member, a shaft, and a bone engagement member. The shaft can be movably connected to the main body member and have the bone engagement member rotatably coupled to its distal end. The bone engagement member can have a surface configured to engage a bone. The main body member can also include a tip opposite the bone engagement member for engaging a second bone. In use, the bone engagement member may be positioned in contact with a medial side of a first metatarsal while the tip is positioned in contact with a lateral side of a different metatarsal, such as a second metatarsal. The shaft can then be moved to advance the bone engagement member toward the tip, causing realignment of the first metatarsal.

The present invention relates to the technical field of medical devices, and particularly relates to a positioning structure and method for osteotomy and bone reconstruction. The positioning structure for osteotomy and bone reconstruction includes a positioning assembly; the positioning assembly includes an upper jaw positioning guide plate, a lower jaw osteotomy guide plate, and a reconstructed bone positioning guide plate; the upper jaw positioning guide plate has an upper jaw occlusal surface, an upper N-shaped splicing mechanism, a plurality of positioning holes, and a plurality of fixing holes; the lower jaw osteotomy guide plate has a lower N-shaped splicing mechanism, a connection area, a lower jaw lower edge indication area, and an osteotomy guiding surface; the reconstructed bone positioning guide plate includes an indication guide plate and a plurality of C-shaped connecting rods; after the upper jaw positioning guide plate is fixed, the insertion and cooperation of the two lower jaw guide plates can guide all the key steps of the operation, without repeated disassembly and adjustment, and maintain accurate positioning and intermaxillary distance to facilitate subsequent implant restoration; based on the upper jaw dentition, the lower jaw osteotomy position and the reconstructed bone position can be positioned, and it can be applied to patients with tooth loosening or lower jaw dentition loss caused by various reasons.

The utility model relates to the technical field of medical instruments, and discloses a bone positioning needle for orthopedic surgery, which comprises a hollow cylinder, the outer wall of the hollow cylinder is fixedly connected with a graduated scale, the outer wall of the hollow cylinder is slidably connected with an antiskid sleeve, the outer wall of the hollow cylinder is fixedly connected with a support plate, and the upper surface of the support plate is attached to the lower surface of the antiskid sleeve. A supporting column is fixedly connected to the upper surface of the supporting plate, a rotating plate is rotatably connected to the outer wall of the supporting column, one end of a first spring is fixedly connected to the upper surface of the rotating plate, a sliding column is slidably connected to the interior of the rotating plate, the first spring is fixedly connected to one side of the sliding column, and the sliding column is slidably connected to the interior of the anti-skid sleeve. A supporting assembly is arranged on the outer wall of the hollow cylinder. According to the bone positioning device, firstly, through cooperation of the hollow cylinder, the clamping hole and other components, the effects that the anti-skid sleeve is convenient to disassemble and the angle of the bone positioning needle is convenient to control are achieved, and flexibility is improved.

A device for use in orthopedic procedures involving the alignment and fixation of bone. The device includes a body having a bone facing surface, an opposing surface, a lateral surface being disposed between the bone facing surface and the opposing surface and a longitudinal axis extending through the bone facing surface and the opposing surface. The body defines a pin hole extending through the body from the bone facing surface to the opposing surface, a bone fastener hole extending through the body from the bone facing surface to the opposing surface, a tool hole extending at least partially through the body and an alignment index for positioning the body relative to bone.

The invention is suitable for the technical field of medical image processing and artificial intelligence, and provides a urinary system tumor bone metastasis diagnosis method based on deep learning and bone positioning, and the method comprises the steps: collecting and preprocessing multi-modal medical data containing PET / CT images; segmenting a skeleton region by adopting a deep learning model, and realizing focus segmentation in the skeleton region; a lightweight skeleton segmentation network is constructed, and efficient and fine skeleton segmentation is realized through an encoder-decoder structure; pET metabolic features, CT morphological features and texture features are extracted and fused, and a radiomics feature matrix is constructed; carrying out cancer species specificity analysis based on the radiomics characteristic matrix, and constructing an intelligent diagnosis model by utilizing a machine learning algorithm; and finally, outputting a structured report containing the focus position, the type, the cancer classification and the diagnosis confidence. According to the invention, through lightweight network design and multi-modal feature fusion, the efficiency and accuracy of skeleton segmentation and focus diagnosis are significantly improved, and the method is suitable for clinical real-time auxiliary diagnosis.

The application relates to a medical orthopedic quick drill bit, which comprises a drill bit body composed of a drill bit part and a drill rod part, wherein the drill bit part is provided with circularly arranged cutting edges for bone positioning and hole forming, and the drill rod part is designed as a light rod; a connecting piece is connected with the drill bit body at one end and fixed with a driving piece at the other end, and the two are quickly separated through a split device containing a clamping piece and a disengaging piece, so that safe disconnection is ensured when the pressure of the medullary cavity or cancellous bone is abnormal. The application has the technical effects of improving the operation efficiency, enhancing the safety and reducing accidental injuries.

A bone positioning guide may include a main body member, a shaft, and a bone engagement member. The shaft can be movably connected to the main body member and have the bone engagement member rotatably coupled to its distal end. The bone engagement member can have a surface configured to engage a bone. The main body member can also include a tip opposite the bone engagement member for engaging a second bone. In use, the bone engagement member may be positioned in contact with a medial side of a first metatarsal while the tip is positioned in contact with a lateral side of a different metatarsal, such as a second metatarsal. The shaft can then be moved to advance the bone engagement member toward the tip, causing realignment of the first metatarsal.

The invention relates to the technical field of orthopedic surgery medical instruments, and discloses a surgical tibia reduction support which comprises a bottom connecting plate, the upper portion of the bottom connecting plate is movably sleeved with a first telescopic rod, the end of the first telescopic rod is fixedly connected with a connecting plate, and the upper portion of the connecting plate is fixedly connected with a second telescopic rod. According to the tibia reduction support for the operation, a first round bone needle and a second round bone needle are installed in a bone, a second inclined rod and a first telescopic rod are sequentially connected to the outer portion of the first round bone needle and the outer portion of the second round bone needle in a sleeving mode, the first inclined rod and the first telescopic rod are installed on the two sides of a leg, and meanwhile a telescopic adjusting plate is rotated to adjust the angle of equipment; the first telescopic rod and the second telescopic rod installed at the two ends of the thigh are synchronously rotated, the length of the first telescopic rod and the length of the second telescopic rod are adjusted and controlled, the first telescopic rod and the second telescopic rod can drive the fracture part to be stretched, and therefore the staggered bone is driven to be stretched and positioned, and the bone positioning accuracy is improved.

This invention relates to the field of sand core forming, and more particularly to a method for manufacturing an ultrathin annular air duct core. Addressing the problems of poor core bone positioning accuracy in existing technologies, which easily leads to core bone leakage during sand filling and thus scrapping of handmade cores, this invention provides a method for manufacturing an ultrathin annular air duct core. This method is simple to operate, facilitates core bone forming, and achieves relatively accurate dimensions, making it suitable for forming small-sized handmade cores with small sand volumes. The mesh-like core bone dimensions provide sufficient support strength for thin-surface sand cores; the core bone positioning is accurate, preventing core bone misalignment; the core bone is welded using a 3D-printed sand mold, resulting in precise core bone dimensions, suitable for handmade core production with very small sand volumes and where core bone drawings are inconvenient to annotate.

A bone positioning guide may include a main body member, a shaft, and a bone engagement member. The shaft can be movably connected to the main body member and have the bone engagement member rotatably coupled to its distal end. The bone engagement member can have a surface configured to engage a bone. The main body member can also include a tip opposite the bone engagement member for engaging a second bone. In use, the bone engagement member may be positioned in contact with a medial side of a first metatarsal while the tip is positioned in contact with a lateral side of a different metatarsal, such as a second metatarsal. The shaft can then be moved to advance the bone engagement member toward the tip, causing realignment of the first metatarsal.

The invention relates to a radiological imaging method, said method comprising a vertical scanning of a standing patient (20) by two radiological sources orthogonal to each other in two imaging directions along a vertical scanning direction (Z), wherein said radiological method comprises at least one operating mode in which: a frontal scout view is obtained to identify a specific skeletal location (21) within said frontal scout view, the driving current intensity and voltage intensity of said frontal radiological source are simultaneously adjusted (11), preferably automatically synchronized, as a function of the patient thickness and of said identified specific skeletal location (21) along said vertical scanning direction (Z), to improve the compromise between: reducing the overall radiation dose received by the patient (20) during said vertical scanning, and, for the frontal image, increasing the local image contrast of said identified specific skeletal location (21) at different imaging locations along said vertical scanning direction (Z).

The present invention provides a real-time ultrasonic percutaneous puncture aspiration biopsy injection device. The improved ultrasonic probe is an ultrasonic-guided percutaneous puncture bone positioning device. The puncture needle is a needle core structure with a triangular pyramid head. The puncture sleeve is sleeved on the main body of the puncture needle, and the tail end of the puncture sleeve has a grip. The outer surface of the puncture sleeve is provided with an external thread. The handle is a sleeve structure with an internal thread matching the external thread of the puncture sleeve, and the handle is screwed on the puncture sleeve through a thread. The other end of the puncture sleeve is introduced through the ultrasonic probe tunnel entrance of the improved ultrasonic probe and led out from the ultrasonic probe tunnel outlet. One end of the handle is clamped at the ultrasonic probe tunnel entrance of the improved ultrasonic probe. This is to solve the problem that when the lesion is adjacent to important nerves, blood vessels or organs, its percutaneous puncture is easy to damage its adjacent important structures and produce serious complications; at the same time, it is difficult to grasp the puncture depth and accurate position. It belongs to the field of medical operation instruments.

The application relates to an orthopedic drilling device for preventing soft tissue injury, which comprises an inner cylinder and an outer cylinder; the inner cylinder is slidingly matched to the inner side of the outer cylinder, and a guide channel for a drill bit is formed in the inner cylinder; the bottom of the outer cylinder is provided with a positioning assembly for positioning the device on a target bone and a protection assembly for protecting soft tissues around the bone, and the outer wall of the outer cylinder is further provided with a fitting assembly for fitting a skin surface; a transmission assembly is arranged on the positioning assembly, and the transmission assembly is used for synchronously driving the protection assembly to outwardly expand in the stroke of a bone positioning action of the positioning assembly, so as to form a soft tissue shielding barrier around a drilling area. The application is used for realizing bone fixation and soft tissue protection through a mechanical linkage structure, and can improve the operation safety and accuracy and simplify the operation process.

A system for detecting motion between an implant and a bone that can optionally include: a bone locator means configured to be coupled to the bone, an implant attachment means configured to be coupled to the implant, and a data analysis means. The implant attachment means includes a detection means, and the implant attachment means defines one or more apertures or surfaces for receiving a force from a force inducing means.

A surgical implant planning computer positions an implant device relative to a bone of a patient. An initial image of a bone is obtained. An initial location data structure is obtained that contains data defining mapping between locations on the implant device and corresponding locations relative to the bone in the initial image. A target image of the bone of the patient is obtained. A transformation matrix is generated that transforms a contour of a portion of the bone in the initial image to satisfy a defined rule for conforming to a contour of a corresponding portion of the bone in the target image. A transformed location data structure is generated based on applying the transformation matrix to the initial location data structure. A graphical representation of the implant device is displayed overlaid at locations on the target image of the bone determined based on the transformed location data structure.

The utility model discloses a leg bone positioning and measuring fixing ring which comprises a first fixing ring, a second fixing ring is arranged on one side of the first fixing ring, and a measuring mechanism is arranged on the outer surface of the first fixing ring and the outer surface of the second fixing ring. The parallel and displacement states between the first fixing ring and the second fixing ring are detected by measuring the relative distance between the first fixing ring and the second fixing ring. According to the fixing ring for positioning and measuring the leg bone, the relative position difference between the first fixing ring and the second fixing ring between different point positions is measured by reading the position deviation of the two opposite measuring plates on the first fixing ring and the second fixing ring relative to the sliding seat after the connecting rope is tightened; therefore, the parallelism and displacement between the first fixing ring and the second fixing ring are detected, and the detection precision can be improved by increasing point positions during use through the detachable installation design of the measuring plate, the first fixing ring and the second fixing ring.

The application discloses a shoulder lock joint dislocation minimally invasive reduction threading kit in the technical field of fracture threading reduction, which comprises a hooking wire clamp, a ring rotating hook rod, a threading clamp and a clavicle clamp. The hooking wire clamp is in a scissor-shaped structure capable of being opened and closed and is formed by connecting two straight rods through a rotating shaft. The two straight rods of the hooking wire clamp are both provided with holding handles at rear ends. The front end of one straight rod of the hooking wire clamp is rotatably connected with the ring rotating hook rod. The front end of the other straight rod of the hooking wire clamp is provided with the threading clamp. After the coracoid process of the scapula and the clavicle are positioned, the threading clamp can be used to stably penetrate along a rotating path into the bone to be positioned, so that the bone to be reduced can be precisely and quickly threaded. Because the holding is convenient and the stress is stable, the muscle and ligament are not easily disturbed, so that the device can conveniently and stably position the bone to be positioned and thread and wind.

The invention discloses an intelligent navigation system and a detection method for human body bone positioning rapid positioning identification, and relates to the technical field of human body bone positioning, and the key points of the technical scheme are that image data of a bone structure is acquired by using an image acquisition module; carrying out denoising and contrast enhancement processing on the acquired image; performing feature extraction and skeleton structure recognition on the image by using a deep learning recognition module; according to an identification result, determining positions of key nodes of the skeleton by using an image registration technology; displaying the skeleton structure and the key node information through a user interaction interface; and the detection results are classified and stored in a database for subsequent analysis and query. According to the invention, the features of the human skeleton structure are automatically identified and classified by using the deep convolutional neural network, the accuracy of skeleton identification is significantly improved, the image registration technology is adopted in the skeleton positioning module, the positions of key nodes of the skeleton can be accurately determined, the adaptability is high, and diversified operation requirements can be met.

The invention relates to the technical field of medical equipment, in particular to a fracture near-end fixing device for lower limb long bone fracture reduction. The fracture near-end fixing device for reduction of the lower limb long bone fracture comprises a positioning mechanism, a clamping mechanism and a guide connecting piece for connecting the positioning mechanism and the clamping mechanism, the positioning mechanism is provided with a first auxiliary kirschner wire, and the first auxiliary kirschner wire is used for performing coarse positioning on a fracture area; the guide connecting piece can rotate around the axis of the first auxiliary kirschner wire; the clamping mechanism comprises a main kirschner wire and a clamping piece, the clamping piece is provided with a clamping space used for containing the fracture area, and one end of the main kirschner wire extends to the clamping space and is used for precisely positioning the fracture area. The bone positioning device can be used for long bone fracture reduction, the mechanical and precision requirements of long bone fracture reduction are met, and stable and fixed long bone fracture near-end holding and fixing are achieved in combination with clinical requirements; the problems that an existing device is unstable in holding, occupies too many operation space resources, destroys fracture blood supply and the like can be solved.

The invention relates to the technical field of orthopedic instruments, in particular to an easy-to-adjust orthopedic external fixing support which comprises at least two fixing needles, the two fixing needles are fixedly connected to a fracture part respectively, the two ends of each fixing needle are connected with universal fixing clamps respectively, and the universal fixing clamps are connected through connecting parts. The connecting part comprises at least three connecting rods, a rigidity adjusting assembly is arranged on the connecting part, the rigidity adjusting assembly can change the distance between the connecting rods by rotating an adjusting disc, then the rigidity of the connecting part is adjusted, materials of the connecting part do not need to be replaced, it is avoided that in the replacing process, skeleton positioning is affected by position changes of fixing needles, and operation is easy, convenient and efficient.

The present invention relates to a radiological imaging method, the method comprising: two radiation sources with mutually orthogonal imaging directions perform a vertical scan on a standing patient (20) along a vertical scan direction (Z), wherein the radiological method comprises at least one operating mode, in which operating mode: a frontal exploration view is obtained to identify a specific bone location (21) within the frontal exploration view, and according to the patient thickness and the identified specific bone location (21) along the vertical scan direction (Z), the drive current intensity of the frontal radiation source is automatically adjusted (11) to improve the compromise between: reducing the overall radiation dose received by the patient (20) during the vertical scan, and at the same time, for the frontal image, maintaining the local image contrast of the identified specific bone location (21) at different imaging positions along the vertical scan direction (Z) at a sufficient level.

The application discloses a wrist joint prosthesis, relates to the technical field of medical devices, and comprises a carpal bone connecting assembly, a radius connecting assembly and a locking structure; the carpal bone connecting assembly comprises a carpal bone bracket, a carpal bone pad in sleeve joint with the carpal bone bracket, a carpal bone positioning column in separable plug joint with the carpal bone bracket and two bone screws for being connected with carpal bones, the screw caps of the bone screws are in sliding joint with straight through holes on the carpal bone bracket, and the carpal bone bracket is in separable connection with the bone screws through the locking structure; the radius connecting assembly comprises a radius bracket and a radius extension handle, the radius bracket is in separable connection with the radius extension handle through a clamping structure, and the radius bracket is provided with a circular arc surface matched with the carpal bone pad. The application is convenient and reliable to use, and is convenient for local structure adjustment or replacement in a later surgery process.

A device for use in orthopedic procedures involving the alignment and fixation of bone. The device includes a body having a bone facing surface, an opposing surface, a lateral surface being disposed between the bone facing surface and the opposing surface and a longitudinal axis extending through the bone facing surface and the opposing surface. The body defines a pin hole extending through the body from the bone facing surface to the opposing surface, a bone fastener hole extending through the body from the bone facing surface to the opposing surface, a tool hole extending at least partially through the body and an alignment index for positioning the body relative to bone.

A device for use in orthopedic procedures involving the alignment and fixation of bone. The device includes a body having a bone facing surface, an opposing surface, a lateral surface being disposed between the bone facing surface and the opposing surface and a longitudinal axis extending through the bone facing surface and the opposing surface. The body defines a pin hole extending through the body from the bone facing surface to the opposing surface, a bone fastener hole extending through the body from the bone facing surface to the opposing surface, a tool hole extending at least partially through the body and an alignment index for positioning the body relative to bone.

The utility model discloses a bone drill guiding device convenient to use, which comprises an arch-shaped frame, mounting transverse plates arranged at two ends of the arch-shaped frame, a bone drill guiding component and a bone positioning and fixing component, an arch-shaped guiding strip hole is arranged in the middle area of the arch-shaped frame, two arch-shaped sliding holes are symmetrically arranged on two sides of the arch-shaped guiding strip hole on the arch-shaped frame, and the arch-shaped sliding holes are communicated with the mounting transverse plates. The bone drill guiding assembly comprises an arc-surface sliding block matched with the upper surface of the arch-shaped frame, a guiding bolt sleeve and a guiding bolt, two inverted-T-shaped arc-shaped sliding rails correspondingly inserted into the two arch-shaped sliding holes are arranged on the lower surface of the arc-surface sliding block, and four first screwing bolts are symmetrically arranged on the two side edges of the arc-surface sliding block; the bone positioning and fixing assembly comprises an installation piece, an extrusion bolt rod and a fixing head. The bone positioning and fixing assembly is used for fixing an arm or a leg without shaking, punching at different angles is achieved by adjusting the position of the cambered surface sliding block on the arch-shaped frame, the fixing stability is good, and the punching accuracy is high.

A system for detecting motion between an implant and a bone that can optionally include: a bone locator means configured to be coupled to the bone, an implant attachment means configured to be coupled to the implant, and a data analysis means. The implant attachment means includes a detection means, and the implant attachment means defines one or more apertures or surfaces for receiving a force from a force inducing means.

A system for detecting motion between an implant and a bone that can optionally include: a bone locator means configured to be coupled to the bone, an implant attachment means configured to be coupled to the implant, and a data analysis means. The implant attachment means includes a detection means, and the implant attachment means defines one or more apertures or surfaces for receiving a force from a force inducing means.

A bone positioning device can include a fixation pin for attachment to a first bone and a fixation pin for attachment to a second bone. A first block having an aperture can be included for slidably receiving a fixation pin, and a second block having an aperture can be included for slidably receiving a fixation pin. A multi-axis joint can connect the first block and the second block, where the multi-axis joint allows the first second blocks to move with respect to each other about more than one axis.