33 results about "Hand tremors" patented technology

The application discloses a hand tremor recognition system based on an improved MobileViT, which comprises a data acquisition module, an Archimedes spiral hand drawing drawn by a tester on a collection table; a data preprocessing module, which performs data preprocessing on the Archimedes spiral hand drawing collected by the data acquisition module; and a recognition module, which classifies the image processed by the data preprocessing module by using a trained and tested improved MobileViT lightweight network PD-Net. The application can obtain rich and important global and local information, including tremor and spacing features, and the information is effectively captured by applying an attention mechanism. The classification network can better complete the classification task and obtain accurate classification results, thereby improving the performance of the entire deep attention network model.

The utility model relates to the technical field of animal tissue slicing, and discloses an adjustable animal tissue slicing device which comprises a main body shell, a driving module is arranged on the side wall of the main body shell, a conveying piece is fixedly connected to the inner side wall of the main body shell, and a transverse groove is formed in the conveying piece. On the premise of an automatic cutting mechanism, the slicing precision and uniformity can be improved, and the problem of non-uniform slicing thickness caused by human factors such as hand shaking and non-uniform force application in manual operation is effectively avoided; the thickness of each time of cutting can be accurately controlled, the consistency of the thickness of the slices is ensured, and a highly reliable and repeatable data basis is provided for subsequent histological analysis, pathological diagnosis and cell biology research, so that the accuracy and reliability of experimental results are improved, experimental errors caused by the thickness difference of the slices are reduced, and the experimental efficiency is improved. And scientific researchers can more accurately reveal the microstructure and pathological change characteristics of tissue cells.

The invention is suitable for the technical field of medical instruments, and provides a trephine tool bit type servo electric hair transplanting pen which comprises an electric hair transplanting pen body, an auxiliary hair transplanting mechanism is arranged on the outer side of the electric hair transplanting pen body, and a power supply mechanism is arranged at the top of the electric hair transplanting pen body; according to the electric hair transplanting pen, the auxiliary hair transplanting mechanism is arranged on the outer side of the electric hair transplanting pen body, so that the hair transplanting process depends on hand control of an operator, and the hair transplanting operation can be stably guided by means of an auxiliary supporting structure formed by the fixing rod, the connecting rod and the telescopic arm; the auxiliary hair transplanting mechanism is reliably locked in different position states, so that the influence of hand shaking on the operation precision is effectively reduced in the hair transplanting process, the stability of the hair transplanting posture can be kept especially in long-time continuous hair transplanting or high-density hair transplanting operation, the hair transplanting consistency and survival rate can be improved, and the overall hair transplanting effect is improved.

The invention discloses a GNN-based hand tremor amplitude identification method. The method comprises the following steps of obtaining videos of a hand of a detected object in two states; the acquired video data are preprocessed; generating a node graph by taking hand joints in the video as nodes; constructing a hand tremor amplitude grade evaluation model; and evaluating a to-be-tested video by using the trained model to generate an evaluation result. As a classification method, the hand joint tremor amplitude recognition method provided by the invention can quickly recognize the hand tremor level with high precision.

The invention belongs to the technical field of medical auxiliary instruments, and particularly relates to an eyedrop instillation assist device which comprises a negative pressure adsorption base, a pupil calibrator and a liquid medicine squeezer. A negative pressure adsorption base, a pupil calibrator and a liquid medicine squeezer are arranged, the negative pressure adsorption base comprises an adsorption long arm, an upper suction cup, a lower suction cup and a squeezing air bag, the pupil calibrator comprises a sliding assembly and a calibration assembly, and the liquid medicine squeezer is provided with a squeezing support, a magnetic suction clamping nozzle, a manual squeezing arm and a linked eyelid supporting structure. By matching with components such as clamping teeth and a damping spring, a series of problems that the hand is easy to shake, the instillation position is inaccurate, liquid medicine is wasted, a bottle opening of a medicine bottle is easy to touch eyes to cause secondary injury, eyelids shield conjunctival sacs, the adaptability and universality of the device are poor, the extrusion force is non-uniform, the supporting is uncomfortable, the arm is soreness and swollen after long-term operation, the device is easy to shift and the like when the patient holds the device for instillation are solved; the effects that instillation is stable and accurate, operation is convenient, fast and safe, and different patients and medicine bottle specifications are adapted are achieved.

This invention provides a rivet disassembly fixture and method, belonging to the field of riveting and fastening technology. It includes a fixture body, a first connecting body, and a driving component. The fixture body has a positioning rod, the lower end of which abuts against the top of the rivet head. The first connecting body is rotatably sleeved on the positioning rod, and a planer gun is mounted on the first connecting body. The driving component is located on the fixture body, and its driving end is connected to the first connecting body, driving the first connecting body to rotate, thereby causing the planer gun to rotate around the positioning rod and cut the rivet head. This rivet disassembly fixture provides a way to prevent direct contact between the operator and the planer gun during operation, thus avoiding the problem of fatigue and hand tremors that can easily lead to damage and ruin of critical components when manually cutting rivets with a planer gun.

The invention discloses a microsurgery mechanical arm high-precision hand tremor elimination man-machine cooperative control method integrated with electroencephalogram intention prediction, and relates to the technical field of medical robots and surgery auxiliary systems. Electroencephalogram signals and hand action data of doctors are synchronously collected and input into a pre-trained micro-world model, so that the human-machine cooperative control method for eliminating the high-precision hand tremor of the doctors is achieved; a real operation intention vector is generated in a submerged space, and a hand trembling trajectory and an ideal operation trajectory are predicted. The high tremor risk state is judged by calculating emotion and cognitive indexes, in combination with intention deviation and tremor data, efficient elimination of hand tremor is achieved through driving force feedback and a reverse anti-phase compensation mechanism of a mechanical arm controller, and an ideal operation track is executed. The system further comprises an abnormal state security protocol, model federal learning evolution and a data security destruction mechanism. According to the invention, advanced and accurate man-machine cooperative control is realized, and the stability and precision of microsurgery are remarkably improved.

This application discloses a data transmission system and method for operation guidance in remote interventional surgery, relating to the field of intelligent sensor technology. The method includes: acquiring a control dataset; calculating the video end-to-end latency, visual matching ambiguity, and operator hand tremor components based on the control dataset; processing the optimal pairing set corresponding to the control dataset and the visual matching ambiguity using a preset filter to obtain motion state estimates; performing temporal cross-correlation analysis on the video end-to-end latency and operator hand tremor components to calculate the delay-tremor coupling strength; constructing a future position prediction distribution model based on the motion state estimates and the delay-tremor coupling strength; superimposing the future position prediction distribution model with a preset anatomical structure model, and displaying the superimposed result on the current surgical video screen to guide the surgeon in remotely controlling the surgical operation from the control terminal. This application improves the safety of remote precision operations.

The invention discloses a spine minimally invasive surgery puncture instrument guiding device in the technical field of medical instruments, and the spine minimally invasive surgery puncture instrument guiding device comprises a fixing seat, the top of the fixing seat is fixedly connected with a first arc-shaped supporting rod, and the first arc-shaped supporting rod is in sliding fit with a second arc-shaped supporting rod; the second arc-shaped supporting rod is in sliding fit with an adjusting seat; a rotating rod is rotationally connected to one side of the adjusting seat, a telescopic rod is in sliding fit with the interior of the rotating rod, the telescopic rod extends out of the rotating rod and is fixedly connected with a guide cylinder, and an anchoring assembly used for fixing a puncture instrument is in sliding fit with the top end of the guide cylinder. The space position and angle of the guide cylinder can be flexibly adjusted, a preset puncture path can be rapidly aligned, a puncture instrument can be fixed, stable supporting is provided when puncture is suspended in the midway, a physician is replaced to hold the device by hand, and drifting of the device due to hand tremor or fatigue is avoided.

The invention discloses a multi-mode prompting anti-shake diet auxiliary system, and relates to the technical field of intelligent tableware, the multi-mode prompting anti-shake diet auxiliary system comprises an intelligent sensing bowl and intelligent anti-shake tableware, the intelligent sensing bowl is in communication connection with the intelligent anti-shake tableware, and the intelligent sensing bowl comprises a bowl body, a sensing module, a visual prompting module and a bowl bottom; the intelligent anti-shake tableware comprises a tableware body, a tremor suppression module and a touch prompt module. Through communication connection of the intelligent sensing bowls and the intelligent anti-shake tableware, active anti-shake, intelligent sensing and multi-mode prompting are integrated, a set of efficient diet auxiliary system is provided for patients with hand tremor and cognitive impairment, the feeding autonomy of the patients can be remarkably improved, accurate delivery of food is ensured through real-time tremor compensation, scattering is reduced, and the food quality is improved. The cognitive function of the patient can be effectively compensated, feeding is reminded, operation is guided, forgetting is prevented through visual and tactile prompts, meanwhile, the dignity and confidence of the patient are enhanced to a great extent, and the patient can finish dining autonomously and physically.

The invention discloses an intelligent anti-shake pen based on vector force guidance and a writing method, and the intelligent anti-shake pen comprises a pen body housing, an internal core support, a slidable writing refill assembly, a tremor suppression module, a vector force stroke auxiliary driving module, a bidirectional interaction module and a main controller. The tremor suppression module monitors the tremor transmitted to the pen body due to the tremor of the hand of a user in real time through a built-in inertial measurement unit and drives the reverse micro-vibration assembly to generate dynamically matched compensation torque, and meanwhile, the vector force stroke auxiliary driving module outputs the compensation torque to the pen body according to a stroke instruction issued by an external intelligent terminal. Physical guiding force which is controllable in direction in the two-dimensional writing plane is applied to the writing refill assembly. And the main controller cooperatively regulates and controls anti-shake and guide, and performs closed-loop communication with an external terminal through the bidirectional interaction module. According to the invention, active anti-shake and active stroke guide functions are combined, so that a hand tremor patient can be effectively helped to write stably, a writing learner is assisted to master a correct stroke order, and the writing stability and accuracy are remarkably improved.

A hand tremor treatment device that includes a ventral pad including a ventral vibration-inducing device and a ventral compression-inducing device, a dorsal pad including a dorsal vibration-inducing device and a dorsal compression-inducing device, a lateral strap, a medial strap, and a controller. The device is configured to be worn on the wrist and is configured to detect a hand tremor onset and in response induce compression via at least one selected from the ventral compression-inducing device and the dorsal compression-inducing device and to induce vibration via at least one selected from the ventral vibration-inducing device and the dorsal vibration-inducing device.

This invention provides a touchscreen mobile phone assistive device, method, and apparatus. The device includes an input module, a transmission module, and an accessibility service software module. The input module receives user input operations and transmits the user input information to the accessibility service software module via the transmission module. The accessibility service software module listens to user input information, displays indicator lines on the touchscreen mobile phone application interface showing the correspondence between the input module buttons and icons / text controls in the application, and issues corresponding application operation commands to the application based on user input information. This invention provides a solution to the common gesture operation difficulties faced by elderly people with severely impaired motor perception or pathological hand tremors when using touchscreen mobile phones, thereby improving the user experience, by replacing the touchscreen with an assistive device.

The utility model discloses a filter core integrity detection device relates to filter core detection technical field, specifically includes: detection test bench, liquid tank, left clamping rotary device, right clamping rotary device, filter core, air inlet pipe, the below of filter core is provided with the support mechanism to support the lower surface of filter core, both sides of filter core are provided with trigger mechanism to control the operation of support mechanism. The utility model discloses through support mechanism and left, right clamping rotary device cooperation, realize the automatic support and detection to filter core. After filter core and left clamping rotary device butt joint, the support plate rises the support filter core through the trigger of pressure sensor, liberates the right hand of staff, can solve the problem of arm soreness or hand tremor influence alignment caused by single hand holding up filter core. Before filter core rotates, electric telescopic handle controls the support plate and moves down and separates from filter core end cover, avoids the abrasion of filter core and support plate when rotating, causes the problem of the abrasion particle with liquid flow and enter filter core aperture.

1. Name of the product in this design: Hand-held assistive device (T0006). 2. Purpose of this design: It is used as an auxiliary tool during the model making process for surface painting, handling of fine parts, scribing, etc. The hand-held auxiliary tool provides support and effectively reduces hand tremors, thereby improving production efficiency. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

This utility model discloses a user-friendly handheld laser welding machine, including a cross frame with moving units on both sides. A lifting frame is located inside the cross frame, and the lifting frame is hollow, moving up and down along the cross frame. A through groove is provided inside the lifting frame, and a rotating shaft passes through the center of the lifting frame, with a welding torch mounted on the rotating shaft. A limiting unit is provided on the lifting frame to restrict the welding torch from moving to the lifting frame. This user-friendly handheld laser welding machine uses moving units, allowing welders to easily push the entire welding torch with just a handle, reducing labor intensity and preventing hand tremors during prolonged operation. Simultaneously, the limiting unit and fixing bolts allow for quick and effective adjustment and limitation of the welding torch angle and the distance between the nozzle and the weld seam, facilitating adaptation to different welding conditions and improving welding accuracy and efficiency.

The utility model relates to the technical field of auxiliary supports, in particular to an auxiliary support for laparoscopic surgery. According to the technical scheme, the device comprises a bottom plate used for supporting, and a height adjusting assembly used for adjusting the height of the laparoscope is fixedly arranged on the upper surface of the bottom plate; the supporting rod is arranged on one side of the upper end of the height adjusting assembly, and an angle adjusting assembly used for adjusting the angle of the laparoscope is fixedly arranged at one end of the supporting rod; the horizontal adjusting assembly is slidably arranged on the supporting rod and used for adjusting the horizontal position of the laparoscope. According to the laparoscope, the influence of hand shaking and fatigue factors of a doctor or an assistant on the position and angle of the laparoscope can be reduced, the stability and accuracy of an operation are improved, meanwhile, the operation visual angle can be optimized, shielding is avoided, the operation effect is improved, and the operation risk is reduced.

The invention provides an exercise symptom characteristic parameter extraction method based on a hand exercise symptom detection system. The exercise symptom characteristic parameter extraction method comprises the steps of preprocessing, tremor frequency parameter extraction, tremor amplitude estimation and frequency attenuation rate extraction. According to the hand tremor detection method based on multi-sensor fusion and steady-state analysis, the frequency, displacement amplitude and other parameters of tremor can be stably extracted under the complex use conditions of posture change, individual difference, noise interference and the like, and high-precision quantitative detection of hand motility symptom characteristic parameters is achieved.

The invention discloses an evaluation method and evaluation device based on face-hand tremor joint recognition and a storage medium, and belongs to the technical field of tremor evaluation. The face and hand tremor-based joint recognition and evaluation method comprises the following steps: acquiring face video data and hand video data of a tested person; and performing tremor evaluation based on the face video data and the hand video data.

The invention discloses a three-dimensional posture real-time analysis system and method for hand tremor of Parkinson's disease, and relates to the technical field of three-dimensional postures, and the system comprises a unit vector generation module which is used for generating a unit vector of a channel shaft based on the vertical height difference and the horizontal displacement vector between the center of a feeding cup opening and the center of a jack row in a Pu pin plate testing device; and the duration calculation module is used for respectively calculating the instantaneous kinetic energy of the hand of the patient in the normal direction of the plate surface and the instantaneous potential energy of the hand of the patient in the vertical supply and taking fall channel, and comparing the instantaneous kinetic energy with the instantaneous potential energy to obtain the duration of the sinking period in the vertical supply and taking fall channel. According to the method, the pseudo acceleration component generated by the inevitable sinking action of the hand can be effectively identified and eliminated, so that the collected sensor data can more accurately reflect the real motion state of the tremor of the patient.

The invention provides an anti-noise 3D hand motion estimation method applied to idiopathic tremor assessment, the core of the method is a motion perception hierarchical grouping Mama (Motion-aware Hierarchical Grouping Mama, MHG-Mama) network, and a set of complete hand tremor automatic assessment system is integrally formed. According to the method, firstly, high-degree-of-freedom finger joint movement and stable palm joint movement are separated through feature extraction, and accurate finger posture estimation is achieved; the method comprises the following steps of: firstly, acquiring a skeleton sequence, then combining with a layered space-time scanning mechanism in a selective state space model (SSM) of Mama, capturing global motion features and retaining anatomical constraints, and obtaining a skeleton sequence which is smooth and reasonable in time; and finally, objective indexes are introduced based on the predicted skeleton sequence to quantify motion features, and a classifier is applied to perform accurate objective severity rating. Experiments show that the 3D hand posture estimation precision is remarkably improved, the motion sequence noise is reduced, the evaluation variability of clinicians can be reduced, and the method has very high clinical value.

The invention relates to the field of daily necessities suitable for aging, and discloses an anti-shake tooth mug suitable for aging, which comprises a mug shell, a mug body is embedded in the inner side of the mug shell, the upper end of the mug body extends to the outer side of the mug shell and is folded outwards to form a shielding part, the upper end of the mug shell is embedded between the shielding part and the mug body, and the upper end of the mug shell is connected with the mug body. Buffering assemblies are arranged between the cup body and the cup shell, the buffering assemblies are used for buffering vibration of the cup body relative to the cup shell, and the buffering assemblies are distributed in a central symmetry mode relative to the axis of the cup body. The inner-layer cup body is connected with the outer-layer cup shell through the buffering assembly, the inner-layer cup body is used for containing water, when hand tremor is transmitted to the outer-layer cup shell, the buffering assembly absorbs tremor kinetic energy through elastic deformation, meanwhile, uniform buffering is achieved through centrosymmetric layout, the inner-layer cup body is kept relatively static, water is prevented from shaking and overflowing due to inertia, and the service life of the water cup is prolonged. Therefore, the problem of water splashing caused by low-frequency tremor is solved.

The application relates to the field of gas injection devices for medical surgical instruments, in particular to an eye surgery gas injection device. In order to solve the problems that the gas injection amount and speed are difficult to control in the hand injection mode, and the hand tremor directly brings the syringe, so that the needle shakes in the deep layer of the corneal stroma. The following scheme is adopted: a gas injection device outer box; a needle tube fixed on the gas injection device outer box; a piston arranged in the needle tube; a lead screw fixed on the piston, which converts the rotary motion into linear motion; a driving mechanism installed on the gas injection device outer box; a nut in screw transmission with the lead screw, and the rotary motion of the driving mechanism is transmitted to the lead screw, and the piston in the needle tube is uniformly translated. The design effectively solves the problems of limited small bubbles caused by insufficient gas injection amount, and backflow overflow caused by improper gas injection speed in manual gas injection, and can stably maintain the corneal internal pressure.

The utility model discloses a high-efficiency protein separation and purification device, which belongs to the technical field of protein separation and purification and comprises a purification column for high-efficiency protein separation and purification, and a dropper for high-efficiency protein separation and purification is embedded in the top surface of the purification column in a sliding connection manner; the adjusting assembly is arranged on the side face of the dropper and comprises a fixing block and a connecting plate, a moving plate is slidably connected to the top face of the fixing block in an embedded mode, a lead screw with fine threads is in threaded connection with the top face of the moving plate, an abutting nut used for abutting against the moving plate is in threaded connection with the lead screw, and a connecting rod is connected to the top face of the lead screw; the side face of the connecting rod is in interference fit with a fixed bearing, the top face of the connecting rod is connected with a knob, the side face of the dropper is fixedly connected with a connecting plate, and the top face of the connecting plate is fixedly connected with the fixed bearing in an embedded mode. The device can prevent hand shaking from influencing the precision of a dropper for outputting stock solution close to an adsorbent, and the use convenience of the device is improved.

This invention belongs to the field of wall crack repair technology and discloses a wall crack repair device and method. The repair device includes two rollers located on opposite sides of the nozzle and rotatably connected to a feed pipe. The rotation axes of the two rollers are perpendicular to the axis of the feed pipe, and the net distance between the two rollers is not less than the width of the crack. This ensures that when the two rollers are attached to the wall surface on both sides of the crack and move along the crack's extension direction, the nozzle remains aligned with the crack. By using two rollers, the device moves along the wall surface on both sides of the crack during use. The rollers' contact with the wall surface reduces the risk of instability caused by hand tremors, allowing the user to stably control the nozzle to consistently spray repair material into the crack along its extension direction. This reduces the probability of nozzle deviation from the crack, improving repair quality and efficiency.

1. Name of the product in this design: Detector (Pen-shaped Hand Tremor Detector). 2. Purpose of this design: To detect hand tremors in Parkinson's patients. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a hearing aid convenient to wear. The hearing aid comprises a receiving assembly used for capturing sound and a playing assembly used for outputting sound. The receiving assembly and the playing assembly are connected through a bendable bending part, and the bending part is used for adjusting the relative connection angle between the receiving assembly and the playing assembly. The hearing aid can be worn only by placing the hearing aid on the inner side of the upper portion of the ear and then folding the buckle, the problem that the auricle of the old cannot be accurately aligned due to hand tremor is solved, an innovative path is provided for humanized design of the hearing aid especially for operation difficulty and physiological requirements of old users, and the hearing aid is worthy of popularization and application. And the wearing efficiency of the hearing aid worn by old people is greatly improved.

A wearable hand tremor multi-limb segment joint analysis method, comprising the following steps: step 1, hand multi-limb segment tremor data acquisition, synchronously collecting hand multi-limb segment tremor data through a sensing device; step 2, hand multi-limb segment data preprocessing, respectively performing posture estimation, denoising and dimension reduction processing on each limb segment; step 3, multi-limb segment joint tremor feature extraction, respectively extracting the tremor frequency, tremor amplitude and tremor variability features of each limb segment, and simultaneously extracting the coordination relationship features between limb segments; step 4, disease automatic classification and discrimination, selecting multi-limb segment joint tremor features through a feature selection algorithm, and using an intelligent classifier to complete the classification of Parkinson's disease and essential tremor. And provide a kind of described wearable hand tremor multi-limb segment joint analysis system. The present application provides a hand tremor analysis method and system for improving the classification accuracy of Parkinson's disease and essential tremor through multi-limb segment joint analysis.

1. The name of the design product: anti-shake cup. 2. The use of the design product: anti-shake drinking cup for patients with hand tremor. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.