17 results about "Carpal bones" patented technology

The invention discloses a bionic wrist joint based on rope driving, and belongs to the technical field of bionic robots. The joint mainly comprises a movable part, a driving part and a tendon-imitating rope group. The movable part is composed of a far-end column carpal bone imitating component, a near-end column carpal bone imitating component and a forearm bone imitating component, two two-rod four-cable tensegrity units are formed through ligament imitating elastic bodies to be connected, and a carpal groove imitating dislocation preventing structure is formed at the connecting position of the components. The driving part comprises a driving wheel set driven by a motor. The two tendon-imitating ropes are guided by the pulleys and the tendon-imitating sheath eyebolts, penetrate through the gaps of the components and then are fixed to the far end of the movable part. The degree of freedom is effectively restrained through the carpal-groove-imitating dislocation-preventing structure, dislocation is prevented, the stability is improved, and the double-degree-of-freedom bionic movement of 180-degree buckling / stretching and 90-degree adduction / abduction is achieved in combination with rope driving. The device has the advantages of being simple in structure, high in self-recovery performance and the like, and is suitable for robot operation scenes needing high flexibility and environment adaptability.

The application relates to a wrist joint prosthesis and relates to the technical field of artificial joint prostheses. The wrist joint prosthesis comprises: a carpal bone assembly for being fixed with one side of a hand-shaped bone, which comprises a carpal bone pad, a carpal bone support block embedded in one side of the carpal bone pad, a carpal bone printing column and a screw connected to the other side of the carpal bone support block, and a support block adjusting device arranged on the embedded side of the carpal bone support block, one end of the support block adjusting device being located in the carpal bone pad, and the carpal bone pad being provided with a locking piece for locking the adjusted position of the support block adjusting device; and a radius bone assembly for being fixed with a radius bone marrow cavity, which comprises a radius bone support, the radius bone support being arranged on the side of the carpal bone pad away from the carpal bone support block. The wrist joint prosthesis has the advantages of shortening the waiting time for surgery.

According to the dexterous hand thumb, a first driving assembly is arranged in a carpal bone assembly, a second driving assembly is arranged at the first end of a metacarpal bone assembly, a third driving assembly is arranged at the second end of the metacarpal bone assembly, and a fourth driving assembly is arranged at the first end of a knuckle assembly; the first end of the first connecting piece is in transmission connection with an output shaft of the first driving assembly, the second end of the first connecting piece is in transmission connection with an output shaft of the second driving assembly, the first end of the second connecting piece is in transmission connection with an output shaft of the third driving assembly, and the second end of the second connecting piece is in transmission connection with an output shaft of the fourth driving assembly. Due to the fact that the dexterous hand thumb is provided with multiple driving assemblies, the dexterous hand thumb has multiple active freedom degrees, and the bionic performance of the dexterous hand thumb is improved.

The utility model discloses a hand rehabilitation training exoskeleton, and relates to the technical field of exoskeletons. According to the hand rehabilitation training exoskeleton, the ends of the palm shells are connected with the joints in a supporting mode through supporting sleeves, and the supporting sleeves are connected with an air conveying device in a communicating mode. The carpal joint is connected with the palm shell through a supporting sleeve, the other end of the carpal joint is connected with the metacarpal joint or the finger joint through the supporting sleeve, and the other end of the metacarpal joint is connected with the finger joint through the supporting sleeve. The problems that in the prior art, the size is large, flexibility is poor, operation is complex and the like are solved, and the requirements for precise assistance and natural training are difficult to meet. According to the hand rehabilitation training exoskeleton, the exoskeleton and the pneumatic technology design are combined, the lightweight design and the intelligent control technology are combined, the hand rehabilitation training exoskeleton aims at assisting a hand dysfunction patient in scientific rehabilitation training, and the hand rehabilitation training exoskeleton is suitable for stroke, brain injury, joint diseases or postoperative hand function recovery. Natural assistance and scientific rehabilitation of hand movement are achieved, and an efficient and safe hand function recovery means is provided for a patient.

Disclosed is a hand-and-wrist accessory device formed by an elasticated glove, wherein the ends of the fingers and the end of the wrist comprise an internal elasticated silicone layer that acts as a mechanical securing element for securing to the skin, these securing elements being connected to rigid structures connected to elastic elements, transmitting elastic energy from the wrist to a central floating piece on the dorsal carpus, where it is distributed to each finger terminal, the elastic elements being guided by rigid pieces disposed in the paths extending from the central piece to the finger terminals, to ensure the correct alignment thereof. These external elements have reciprocal securing elements to generate continuity from the wrist terminal to the finger or digit terminals. Cushioned elements are disposed on the palm to redistribute pressure in the wrist areas.

A hand orthosis (10) comprising a dorsal section in the region of the wrist (15), a volar section (18) in the region of the wrist (15), and at least one tubular finger section (22) connected to both the volar section (18) and the dorsal section. It is proposed that the volar section (18) be at least double-layered in the region (24) of a carpal bone, in particular in the region (26) of the pisiform bone, with a first layer (30) and a second layer (32), wherein the first layer (30) is displaceable relative to the second layer (32) in at least one direction parallel to the planes of the two layers (30, 32).

The application provides a stop point range determination method and device, electronic equipment and a storage medium, and applies to the technical field of data processing. The method comprises the following steps: acquiring a to-be-processed image, wherein the to-be-processed image is a segmentation image of a carpal bone and a ligament structure; determining first edge information of the carpal bone and second edge information of the ligament structure in the to-be-processed image, and performing cross extraction based on the first edge information and the second edge information to obtain first stop point information of the ligament structure; performing plane fitting processing based on the first stop point information to obtain second stop point information of the ligament structure; wherein the edge volume of the second stop point information is smaller than the edge volume of the first stop point information, and the second stop point information is used for indicating a stop point range of the ligament structure on the carpal bone.

The embodiment of the application provides a dexterous hand thumb, a dexterous hand and a robot, the dexterous hand thumb comprising: a first driving assembly arranged in a carpal bone assembly, a second driving assembly arranged at a first end of a metacarpal bone assembly and a third driving assembly arranged at a second end of the metacarpal bone assembly, a fourth driving assembly arranged at a first end of a phalanx assembly, and a first end of a first connecting piece is in transmission connection with an output shaft of the first driving assembly, a second end of the first connecting piece is in transmission connection with an output shaft of the second driving assembly, a first end of a second connecting piece is in transmission connection with an output shaft of the third driving assembly, and a second end of the second connecting piece is in transmission connection with an output shaft of the fourth driving assembly; because the dexterous hand thumb is provided with more driving assemblies, more active degrees of freedom are obtained, and the bionic performance of the dexterous hand thumb is improved.

1. The name of the design product: wrist bone belt. 2. The use of the design product: wrist bone belt for protecting the wrist of human body. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1. 5. The design product is thin, omitting the left view, omitting the right view, omitting the top view, and omitting the bottom view. 6. Other circumstances that need to be explained: the human body part in the design picture is a prop and does not belong to the protected design content.

The utility model relates to the technical field of mechanical watches, and discloses a watch accessory replacement structure, which comprises a watchcase and a group of connecting blocks arranged on the outer surface of the watchcase, and the bottom of the watchcase is provided with a group of ventilation blocks arranged circumferentially. According to the watch accessory replacement structure, through the combination design of the circumferentially arranged ventilation blocks at the bottom of the watch shell and the isosceles trapezoid ventilation grooves, an air convection channel is formed, the air circulation efficiency at the bottom of the watch body is effectively enhanced, and the distributed rubber convex ball structures on the contact disc are matched to maintain an air flow channel; the problem of stuffiness and sweat accumulation caused by tight contact between a bottom cover of a traditional mechanical watch and the skin is solved, the torsion spring and the connecting frame are arranged so that the connecting frame can adjust the wrapping angle according to the shape of the carpal bone, the bottom end of the connecting frame is pressed to turn over during wearing, and self-adaptive attachment of the watchband to the curve of the carpal bone is achieved through the reset force of the torsion spring; the problem of gap deviation of a traditional fixed connection structure is solved, and wearing discomfort caused by excessive constraint is avoided.

The embodiment of the present application provides a bone maturity prediction method and device, the method comprises the following steps: obtaining target finger bone series data and target carpal bone series data corresponding to target hand bone image data respectively; inputting the target hand bone image data and the target finger bone series data into a preset finger bone maturity prediction model, so that the finger bone maturity prediction model outputs a finger bone maturity prediction value for bone age evaluation; and inputting the target hand bone image data and the target carpal bone series data into a preset carpal bone maturity prediction model, so that the carpal bone maturity prediction model outputs a carpal bone maturity prediction value for bone age evaluation. The present application can effectively improve the efficiency, automation and intelligence of the bone maturity prediction process, reduce the labor and time cost, and effectively improve the comprehensive coverage and accuracy of the bone maturity prediction result.

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.

The invention relates to the technical field of medical image processing, in particular to a children wrist X-ray film bone age prediction system based on deep learning, which comprises a data acquisition module, a time sequence analysis module, a group classification module, a feature fusion module and a prediction optimization module which are in signal connection with one another, the carpal bone feature strengthening module is used for carrying out feature strengthening on a carpal bone time sequence of a gymnastic training group according to carpal bone feature strengthening weights, generating a weighted fusion time sequence, and outputting a dynamic carpal bone age vector and a dynamic RUS bone age vector by respectively capturing a time sequence dependency relationship between RUS bones and carpal bones; and the prediction optimization module is used for constructing a carpal bone dominant prediction channel and an RUS bone auxiliary prediction channel for the gymnastic training group according to the dual-channel deep learning model. According to the invention, through group classification and sequential dynamic feature fusion, in combination with a dual-channel deep learning model, differential bone age prediction and accurate evaluation of carpal development delay of common children and gymnastic training children are realized.

This invention discloses a rope-driven bionic wrist joint, belonging to the field of bionic robotics. The joint mainly comprises a movable part, a driving part, and a set of tendon-like ropes. The movable part consists of components mimicking the distal and proximal carpal bones, and forearm bones, connected by two two-bar, four-cable tensioned integral units formed by mimicking ligament elastomers. A carpal groove anti-dislocation structure is formed at the component connection point. The driving part includes a motor-driven drive wheel assembly. Two tendon-like ropes are guided by pulleys and tendon sheath bolts, passing through the gaps between components and fixed to the distal end of the movable part. This invention utilizes the carpal groove anti-dislocation structure to effectively constrain degrees of freedom, prevent dislocation, and improve stability. Combined with rope drive, it achieves approximately 180° flexion / extension and 90° adduction / abduction bionic motion. It features a simple structure and strong self-recovery capabilities, making it suitable for robot operation scenarios requiring high flexibility and environmental adaptability.

The invention relates to the technical field of medical detection, and discloses an intelligent blood pressure and heart rate monitor which is characterized in that a contact layer is provided with a reversible microneedle array and thermal response shape memory gel, and the contact layer can penetrate through clothes and fill carpal gaps; the sensing layer is provided with a piezoelectric electret film and an acoustic metamaterial resonant ring, and pulse signals are enhanced through mechanical deformation conversion and physical filtering; the control layer is integrated with a fold type extension circuit board and a miniature negative pressure bag, supports bending deformation of the wrist and maintains skin adsorption of equipment. According to the scheme, clothes interference is eliminated through the microneedle array, the thermal response gel compensates for human body structure differences, the acoustic metamaterial improves the signal-to-noise ratio of weak signals, the negative pressure bag structure inhibits dynamic slippage, and the wearing comfort, the movement stability and the complex environment adaptability are improved while non-invasive measurement is guaranteed.

The application provides an electrically actuated flexible driving bionic wrist and a bionic robot, comprising a bionic carpal bone skeleton system, a proximal end bionic skeleton member and a distal end bionic skeleton member, the proximal end bionic skeleton member is movably connected with the distal end bionic skeleton member through a bionic wrist joint, forming a multi-degree-of-freedom wrist joint complex; further comprising a plurality of independent flexible driving units and a bionic tendon transmission system, a bionic tendon sheath and a pulley system. The electrically actuated flexible driving bionic wrist and the bionic robot provided by the application realize the unification of multi-degree-of-freedom motion and essential flexibility by adopting a plurality of bionic joints connected by bionic soft tissues and a plurality of independent driving units, effectively solve the problems of limited movement range, lack of flexible adaptation mechanism and insufficient dynamic buffering capacity of traditional rigid wrist mechanisms, have multi-degree-of-freedom motion capability, essential flexibility and wide-range motion capability, can adapt to complex operation environments and provide effective buffering.