96 results about "Ulnar digital nerve" patented technology

The invention discloses a simulated training device for bending and setting a human forearm bone, and relates to the technical field of limb rehabilitation training, the simulated training device comprises a forearm extension plate and a big arm extension plate which are respectively extended and fixed at the end parts of a forearm sheath and a big arm sheath, and the simulated training device realizes passive bending and stretching between a big arm and a small arm through force generated by other positions of a patient; according to the analysis from the neural reaction level, the time of triggering a pain protection mechanism at a wound of a patient is prolonged by utilizing passive power generation of an organism (because the thinking of the patient stays at the wound all the time when the patient autonomously generates power, the brain is in a reaction waiting state, and the patient can immediately make a response once feeling pain occurs; and the brain of the patient is not in a waiting state during passive power generation, and the patient cannot quickly respond even if the patient feels painful, so that the protection reaction time is delayed to a certain extent, and even if the final body still makes a deliberate terminating action, the large and small arms are bent and stretched in a prolonged time).

The conduit carrier includes a carrier housing that includes first and second contact ends and a vacuum channel extending between them. The vacuum channel is configured to connect to a vacuum source via the first contact end. An engagement mechanism is connected to the second contact end. The engagement mechanism is configured to engage with the conduit in a releasable manner during nerve repair surgery. A separator is configured to extend from the second contact end. When the engagement mechanism engages with the conduit during nerve repair surgery, the vacuum channel is connected to a vacuum port in the conduit via the second contact end so that a vacuum source can draw a vacuum into the conduit, and the separator extends into the conduit through the vacuum port, creating a predetermined regeneration gap between the first and second nerve stumps inserted into the conduit.

The invention relates to the technical field of mechanical arm control methods, and discloses a muscle force evaluation and self-adaptive control method for a household remote control upper limb intelligent rehabilitation mechanical arm, which comprises the following steps: initializing a system, guiding the first elbow flexion by voice, and judging the anti-gravity capability according to an elbow joint flexion angle. Secondary elbow bending is carried out after different reverse resistances are applied, the resistance resistance is judged according to the elbow joint bending angle, a scale is converted into clinical muscle force classification, a main control board calculates self-adaptive traction force and realizes closed-loop control, meanwhile, whole-course data are uploaded to a cloud side, and remote terminal monitoring and parameter adjustment are supported; according to the invention, the evaluation logic conforms to the clinical standard, the detection precision is high, the system integration level is good, quantitative muscle force evaluation, individualized adaptive training and remote professional supervision can be realized, the system is suitable for household upper limb rehabilitation of stroke, nerve injury and postoperative patients, and the technical problems of inaccurate evaluation, fixed control and lack of remote management of existing equipment are effectively solved.

Provided are devices, systems, and methods for treating or preventing heart failure or a symptom of heart failure through coordinated nerve activity interruption for one or more target nerves. Devices disclosed herein may comprise a vascular catheter comprising a telescopic needle assembly configured to puncture vascular tissue in contact with the catheter, wherein the needle assembly comprises one or more electrodes configured to deliver electrical energy to a tissue in contact with the one or more electrodes. Methods may include treating or preventing heart failure or a symptom of heart failure by inserting a catheter into a vascular tissue of the subject; guiding the catheter towards the greater splanchnic nerve; piercing the vascular tissue of the subject with a telescopic needle assembly extending outwards from the catheter towards the target nerve; and ablating the target nerve by delivering a stimulation energy to the target nerve with one or more electrodes.

This invention provides a method and device for displaying muscle tissue morphology based on a digital twin of the levator scapulae muscle. The method includes acquiring static magnetic resonance imaging data of the target user's shoulder and neck region, multi-angle dynamic optical motion capture data, and surface electromyography (EMG) signals of the target muscle group to construct multimodal physiological data of the levator scapulae muscle. Based on the static magnetic resonance imaging data, a static anatomical base model of the levator scapulae muscle is constructed using image segmentation and 3D reconstruction techniques. According to the multi-angle dynamic optical motion capture data and EMG signals, the activation sequence and corresponding activation intensity of the target nerve driving the contraction of the levator scapulae muscle under different movements are calculated. Based on the activation sequence and corresponding activation intensity of the target nerve, the static anatomical base model of the levator scapulae muscle is embedded into a pre-trained digital twin model of the levator scapulae muscle to obtain a target digital twin of the levator scapulae muscle. The input motion command is input into the target digital twin of the levator scapulae muscle, and the muscle tissue morphology results are output and displayed.

The invention belongs to the technical field of traditional Chinese medicine treatment, and discloses a method for treating knee joint diseases through a thigh medial oblique puncture method based on meridian differentiation, which comprises the following steps: step 1, performing acupuncture by adopting a 15-30-degree oblique puncture method with the height consistent with that of thigh medial muscle group fibers; 2, using a disposable sterile small needle knife with the specification of 0.5 mm * 75 mm as a needling instrument; 3, 2-3 short-range treatment cycles are set, a puncture part is positioned and disinfected firstly, and lesion areas such as medial femoral muscle deep fascia are accurately found; then a 0.5 mm * 75 mm blunt-end small needle knife is selected, and the 75 mm length can directly reach the deep lesion area of the knee joint from the inner side surface layer of the thigh. When the needle is inserted, a 15-30-degree oblique needling method is adopted, and the angle and the trend of muscle fibers on the inner side of the thigh completely go deep along muscle fiber gaps and easily penetrate into a deep layer. The 0.3 mm blunt end of the needle tip can be slightly pushed away instead of being scratched when encountering blood vessels and nerves. Finally, through 2-3 times of centralized treatment, the diseased region is stimulated for multiple times in a short time, the self-repairing ability of the body is quickly activated, adhesion tissues around the knee joint are loosened, inflammation is eliminated, blood circulation is accelerated, and actual application and operation are facilitated.

The utility model discloses a thoracocentesis auxiliary device for opening intercostal space, and belongs to the technical field of puncture position restraint. According to the thoracocentesis auxiliary device capable of opening the intercostal space, the three independent air bags are arranged, and the supporting depths of the three air bags are adjustable, so that the thoracocentesis auxiliary device capable of opening the intercostal space can be adaptively adjusted when different patients are supported; different supporting depths can be adjusted according to the body size of a patient, effective supporting of the chest and the abdomen of the patient is achieved, it is guaranteed that the patient is in a comfortable state in the puncture process, meanwhile, the intercostal space of the patient can be further opened through supporting, the medical thoracic cavity standard puncture dorsal arch body position is met, and puncture safety is guaranteed; the problems that an existing puncture auxiliary device is poor in fitness, the dorsal arch body position is not standard, intercostal blood vessels and nerves are prone to being damaged, and a patient falls down after pleural reaction, and secondary injuries are caused are solved.

Disclosed herein are systems and methods for planning a knee arthroplasty procedure. In one example, a surgical method includes intraoperative measurement of patient anatomical information of the knee and / or movement of the knee of a patient resulting from electrical stimulation of nerves or muscles to cause articulation of the knee. An electrical stimulation system may be attached to a patient to cause contraction / relaxing of muscles operative to cause articulation of the knee. Tracking elements may be associated with relevant knee anatomical structures, such as the proximal tibia, the distal femur, and / or the patella to track the movement of the knee components resulting from the electrical stimulation. Implant components may be selected, positioned, and / or orientated using the tracking information resulting from the electrical stimulation, thereby allowing for determination of a surgical plan based on intraoperative muscle-activated knee articulation, configured to emulate natural patient anatomy and kinematics.

The invention provides a wrist closed-loop peripheral nerve electrical stimulation method and system, and relates to the technical field of nerve regulation and wearable medical instruments.The method comprises the steps that physiological signals and wearing state information of the radial styloid process, the ulna styloid process and the wrist transverse grain midpoint of the wrist are obtained, and the reference range and the dynamic calibration boundary of stimulation parameters are obtained; based on the reference range and the dynamic calibration boundary, determining a structural relationship according to the position data of the radial styloid process, the ulna styloid process and the wrist cross grain midpoint of the wrist, and performing regional characteristic analysis on the structural relationship to obtain an analysis result; and calculating geometric characteristics in the regional characteristic analysis result to obtain a geometric moment quantification result of the region. According to the invention, an individual parameter setting, closed-loop online updating and long-term maintainable engineering system is realized.

A wearable device for providing sensory feedback in an extended reality environment is disclosed. The device includes a band configured to enclose an anatomical location, such as a wrist, adjacent to a distal extremity, such as a hand. The band houses a plurality of electrodes that deliver transcutaneous electrical nerve stimulation (TENS) to the distal extremity, eliciting distally referred sensations corresponding to the user's interaction with a digital object. A controller receives sensor signals indicative of movement of the distal extremity, determines the user's motor intent, and generates a sensory feedback signal to control the delivery of TENS pulses. The device allows for anatomically congruent sensory feedback in augmented reality environments without inhibiting natural interactions with physical objects.

An adaptor for anchoring wire lead components of electrical nerve stimulation assemblies, the adaptor incorporating a left jaw; the adaptor further incorporating a right jaw; the adaptor further incorporating a left arm having a proximal end, a distal end, and a right side; the adaptor further incorporating a right arm; the adaptor further incorporating an upper left channel opening rightwardly; the adaptor further incorporating an upper right channel opening leftwardly; the adaptor further incorporating a lower left channel opening rightwardly; the adaptor further incorporating a lower right channel opening leftwardly; and the adaptor further incorporating a hinge which is fixedly attached to or formed wholly with the proximal ends of the left arm, the right arm, the left jaw, and the right jaw.

The present invention relates to a tibial sensor pin insertion guide for robotic total knee arthroplasty and, in particular, comprises: a tibial contact part configured such that the bottom surface contacting the medial slope of the tibia is inclined upward at an angle of 30-40 degrees on both sides with respect to a center line; and a first pin insertion tube formed to penetrate the posterior side of the tibial contact part and to be inclined upward at an angle of 45-55 degrees with respect to the longitudinal direction of the tibial contact part. The present invention has the effect of preventing the sensor pin inserted into the tibia to mount a sensor during robotic total knee arthroplasty from damaging the peroneal nerve passing through the outer side of the tibia during the insertion process.

The invention belongs to the field of auxiliary medical treatment, and provides a personalized electrical stimulation treatment scheme generation system and method, and the method comprises the steps: obtaining a voice signal of a patient, and extracting voice dynamic change information; acquiring neuromyoelectric signals, heart rate signals and motion information of the patient, and extracting physiological change information; performing association modeling on the voice change information and the physiological change information to generate fusion features for representing a multi-part tremor mode of the patient; performing dynamic generation of personalized electrical stimulation parameters based on the fused features; constraining the dynamic change of the current amplitude, the stimulation frequency and the pulse width within an individually set safety threshold range, and performing protective adjustment in combination with real-time feedback of a patient; and the electrical stimulation module is used for implementing electrical stimulation on a target nerve part in the radial nerve, the median nerve or the ulnar nerve according to the parameters issued by the decision module.

Devices, systems and methods for reducing migration of leads, catheters and similar devices are provided. In particular, devices, systems and methods are provided for creating a slack anchor which assists in maintaining the lead or catheter in a desired position. In some embodiments, the slack anchor is created within the epidural space. When targeting nerve anatomy within the spinal column or in the vicinity of the epidural space, anchoring within the epidural space allows the associated lead or catheter to be anchored as close to the target therapy site as desired or possible. By anchoring close to the target therapy site, the risk of movement or migration is significantly reduced or eliminated.

Described herein are various implementations of systems and methods for treating back pain (e.g., chronic low back pain) caused by different (e.g., independent) sources of pain, such as pain originating or stemming from intervertebral discs, from vertebral endplates, and / or from intraosseous locations within one or more vertebral bodies. For examples, methods for treating back pain (e.g., chronic low back pain) may involve both vertebral fusion (e.g., arthrodesis or spondylodesis to fuse adjacent vertebrae) and neuromodulation (for example, ablation of nerves within or surrounding one or more of the adjacent vertebrae). The neuromodulation may facilitate treatment of pain that is generated by insertion of fusion hardware.

Described herein are various implementations of systems and methods for accessing and modulating tissue (for example, systems and methods for accessing and ablating nerves or other tissue within or surrounding a vertebral body to treat chronic lower back pain). Assessment of vertebral endplate degeneration or defects (e.g., pre-Modic changes) to facilitate identification of treatment sites and protocols are also provided in several embodiments. Several embodiments comprise the use of biomarkers to confirm or otherwise assess ablation, pain relief, efficacy of treatment, etc. Some embodiments include robotic elements for, as an example, facilitating robotically-controlled access, navigation, imaging, and / or treatment.

Closed loop control of electrical stimulation therapy by measuring a neuromuscular response to determine that the electrical stimulation therapy is adequately stimulating the target nerve. In some examples, a system using the techniques of this disclosure may measure a reflex response, e.g., using electromyography (EMG), which measures muscle response or electrical activity in response to a nerve's stimulation of the muscle. In some examples, the techniques of this disclosure may measure an H-reflex, such as an evoked motor response that occurs caused by a first afferent stimulation, through a signal synapse, and an efferent alpha-motor neuron excitation.

A stimulation device includes a body containing at least one stimulation means adapted to be transcutaneously attached to the neck of a subject. The stimulation means is adapted to generate a stimulating signal during a stimulating state. The stimulation means is positioned to be in stimulating contact with the sternocleidomastoid muscle and the trunks of the lesser occipital nerve, greater auricular nerve, transverse cervical nerve or supraclavicular nerve with their autonomic fibers synchronously. The stimulation can be provided in the form an electrical, optical, vibrational, thermal, mechanical and / or magnetic stimulation. The stimulation device can be used bilaterally on the right and left sides of the subject's neck, working as a system in a synchronous or alternating manner.

An ulna nerve armrest pad is provided with a pad body, a groove located in the center of the top side of the pad body and two connecting pieces. Each connecting piece is located on one side of the pad body in the length direction of the pad body. One connecting piece is provided with a hook component of a detachable hook and loop fastener, and the other connecting piece is provided with a loop component of a detachable hook and loop fastener, so that the two connecting pieces can be detachably connected below the cushion body, and the cushion body is fixed to the armrest. The cushion body can be made into various sizes and thicknesses to adapt to various armrests.

Disclosed is an artificial intelligence wearable device for treating primary palmar hyperhidrosis by means of non-invasive regulation and control of the thoracic sympathetic nerve, which comprises: a main controller, a pulse generator, a first stimulation electrode, a second stimulation electrode, and a third stimulation electrode. The pulse generator is used for generating specific pulse signals for the first, second and third stimulation electrodes. The arrangement position of the first stimulation electrode corresponds to a body surface part of the radial nerve at the wrist, the arrangement position of the second stimulation electrode corresponds to a body surface part of the median nerve at the wrist, and the arrangement position of the third stimulation electrode corresponds to a body surface part of the ulnar nerve at the wrist. Primary palmar hyperhidrosis is treated by means of pulsed electrical stimulation on the radial nerve, the median nerve, and the ulnar nerve. The device is non-invasive and non-destructive to human nerves and normal tissues, has no serious complications such as postoperative compensatory hyperhidrosis and sympathetic denervation, carries no risks such as general anesthesia accidents, provides continuous treatment along with intelligent recognition, is convenient, effective and safe, and can maintain a long-term curative effect.

A method for applying a regional block of the articular sensory branch of femoral (FN), obturator (ON) and accessory obturator nerves (AON) comprising injection of an anesthetic at a single needle entry point into a these nerves anatomical sites. Another aspect of this technology is a kit for performing this method.

Methods for activating a person's autonomic nervous system may include: electrically coupling a first electrode to a vagus nerve via a transdermal coupling at a location rostral to the human's thoracic spine; electrically coupling a second electrode to a nerve in communication with the same vagus nerve or a different vagus nerve via a transdermal coupling at a site caudal to the human's cervical spine; and applying a therapeutic current waveform to cause current flow between the first and second electrodes and along at least a portion of the vagus nerve or nerves between the first and second electrodes. Apparatuses are disclosed for performing the methods.

The utility model discloses a kind of upper limb joint protection brace for upper limb fracture combined with nerve injury, it is related to medical instrument technical field.Upper limb joint protection brace includes arm support assembly, sling, wrist support assembly;Sling is set on arm support assembly, and is hung on the torso of patient;Wrist support assembly is installed in the side of arm support assembly, and wrist support assembly includes fixed base, hand support, fixed base is connected with arm support assembly, and hand support is hinged connection with fixed base by hinging shaft, and hand support is used to lift the hand of patient;Limiting piece is equipped on fixed base, and limiting piece is used to limit the relative position of hand support and fixed base;Upper limb joint protection brace provided by the utility model provides lifting support to the arm and wrist joint of patient, and by the adjustment cooperation of hand support and fixed base, it is convenient to ensure that the wrist joint of patient is in suitable functional position angle, it is convenient to provide protection to the arm of patient while improving recovery effect.

The invention relates to a home sleep monitoring and stimulating system and method, and the system comprises a first sleep monitor which is used for obtaining one or more pieces of physiological feature data of a user in a sleep state, determining a first sleep mode related to the user based on the one or more pieces of physiological feature data, applying / providing a waveform of which the frequency is close to that of the brain wave or a time-varying magnetic field which is pre-stored in a storage unit and is used for generating the corresponding brain wave to any actionable target spot at the body of the user; when a signal analysis unit of the first sleep monitor analyzes and determines that the sleep state or the sleep quality of the user is poor or needs to be adjusted based on one or more physiological feature data, obtained by an acquisition module, of the user in the sleep process, a time-varying magnetic field is provided for the body of the user through a magnetic field unit. According to the invention, receptors such as the median nerve, the radial nerve and / or the ulnar nerve of the testee can be stimulated by using the alternating current, so that the corresponding intracranial brain region can be adjusted through the nerve feeling, and the auxiliary treatment of insomnia can be realized.

1. Name of the design product: wearable nerve and muscle stimulator. 2. Use of the design product: a medical device as a wearable nerve and muscle stimulator for stimulating the radial nerve and median nerve of the wrist. 3. Design features of the design product: in shape. 4. Picture or photograph best indicating the design features: perspective view.

An adhesive ulnar nerve protection device for protecting the ulnar nerve of a patient comprises a foam member and a first releasably-adhesive component. The foam member comprises a first side and a second side, and is sized and shaped to accommodate substantially the entire ulnar nerve region of a patient's arm. The first releasably-adhesive component is disposed upon the first side of the device, and the first side of the device is disposed around and adhesively attached to substantially the entire ulnar nerve region of the patient's arm during use. In some embodiments, the adhesive ulnar nerve protection device further comprises a second releasably-adhesive component disposed upon the second side of the device. In such embodiments, the second side of the device can be disposed upon and adhesively attached to a medical furnishing and / or another portion of the patient's body during use.