24 results about "Stereotaxis" patented technology

The application provides a Chinese spoken language intention recognition brain-computer interface system based on a sound-meaning integration double model, belongs to the technical field of biomedical engineering, and relates to language brain-computer interface technology. Taking sound-meaning integration as the core, the stereotactic intracranial electroencephalogram (sEEG) technology is adopted to collect neural signals of the brain articulatory motor coding area and the semantic concept organization coding area. The system comprises a voice initiation decoder, a speech decoder, a semantic decoder and a Chinese word speech-semantic fusion synthesizer, the target decoder is constructed by extracting high gamma band features of key brain areas of the frontal lobe (left inferior frontal gyrus, premotor cortex, etc.), the temporal lobe (anterior temporal lobe, dorsolateral temporal lobe, etc.). At the same time, a visual and auditory induction training paradigm is matched, three tasks of listening to sound to group words, looking at words to group words and word association are set, and the subjects are supported to generate words independently. The system effectively solves the homonym and near homonym word ambiguity problem in Chinese spoken language recognition, and provides a precise interactive tool for ALS and other speech disorder patients.

The invention provides a Chinese spoken language intention recognition brain-computer interface system based on pronunciation-meaning integration double models, belongs to the technical field of biomedical engineering, and relates to a language brain-computer interface technology. Sound-sense integration is taken as a core, and a stereotactic intracranial electroencephalogram (sEEG) technology is adopted to acquire neural signals of a brain phonetic motion coding region and a semantic concept organization coding region. The system comprises a sound production starting decoder, a voice decoder, a semantic decoder and a Chinese word voice-semantic fusion synthesizer, and a target decoder is constructed by extracting high gamma wave band characteristics of key brain regions of frontal lobe (left subfrontal gyrus, anterior cortex of motion and the like) and temporal lobe (anterior temporal lobe, dorsal lateral temporal lobe and the like). Meanwhile, an audio-visual induction training normal form is matched, three tasks of listening word combination, character reading word combination and vocabulary association are set, and subjects are supported to autonomously generate vocabularies. The system effectively solves the problem of ambiguity of homophonous and near-phonetic words in spoken Chinese recognition, and provides an accurate interaction tool for speech disorder patients such as ALS and the like.

The present disclosure relates to a method for suggesting personalized and symptom-specific DBS stimulation parameters, comprising the steps of: creating a three-dimensional symptom network library comprising a data-driven three-dimensional model of symptom-specific nerve tracts in a stereotactic space established based on a detailed and comprehensive pathway profile; registering patient data with the three-dimensional symptom network library to analyze how an electrode of a single patient is mapped thereto; stimulation parameters are derived and suggested from baseline symptom severity characteristics for each patient. Another object of the invention relates to a system for predicting DBS parameters, the system comprising an interface for providing DBS parameters to an electrode and receiving signals from a patient, and a computer programmable unit comprising a data memory for storing a network library of three-dimensional symptoms, the three-dimensional symptom network library includes a stored data driven three-dimensional model of symptom-specific nerve tracts in a stereotactic space established based on detailed and comprehensive pathways for predicting DBS parameters.

1. Name of the design product: Graphical user interface for visualized operation guidance of an electronic device. 2. Use of the design product: For an electronic device. 3. Design features of the design product: The graphical user interface displayed on the electronic device. 4. Picture or photograph best illustrating the design features: Design 1 front view. 5. Use of the graphical user interface: The graphical user interface is used for visualized guidance of the operation of a stereoscopic or ultrasound guided vacuum assisted biopsy device. The graphical user interface of design 1 is used to guide the installation of a biopsy system, wherein the front view guides the attachment of one of three casings of a biopsy device to a control module of the biopsy system, once the casing is attached to the control module, the front view jumps to interface change state figure 1; interface change state figure 1 guides the coupling of a probe of the biopsy device to the casing, once the probe is coupled to the casing, interface change state figure 1 jumps to interface change state figure 2; interface change state figure 2 guides the coupling of a vacuum control component of the probe to the control module, once the button in the lower part of interface change state figure 2 is clicked, interface change state figure 2 jumps to interface change state figure 3; interface change state figure 3 guides the user to select the preferred control side for the casing, once one of the two arrows of interface change state figure 3 is clicked, interface change state figure 3 jumps to interface change state figure 4; interface change state figure 4 prompts the user to start the biopsy device if desired or to skip the start, once the biopsy device is started or the button in the lower part of interface change state figure 4 is clicked, interface change state figure 4 jumps to interface change state figure 5; interface change state figure 5 prompts the user that the biopsy process can be continued when ready. The graphical user interface of design 2 is used to guide the installation of a biopsy system, wherein the front view guides the attachment of one of three casings of a biopsy device to a control module of the biopsy system, once the casing is attached to the control module, the front view jumps to interface change state figure 1; interface change state figure 1 guides the coupling of a probe of the biopsy device to the casing, once the probe is coupled to the casing, interface change state figure 1 jumps to interface change state figure 2; interface change state figure 2 guides the coupling of a vacuum control component of the probe to the control module, once the button in the lower part of interface change state figure 2 is clicked, interface change state figure 2 jumps to interface change state figure 3; interface change state figure 3 guides the user to select the preferred control side for the casing, once one of the two arrows of interface change state figure 3 is clicked, interface change state figure 3 jumps to interface change state figure 4; interface change state figure 4 prompts the user to start the biopsy device if desired or to skip the start, once the biopsy device is started or the button in the lower part of interface change state figure 4 is clicked, interface change state figure 4 jumps to interface change state figure 5; interface change state figure 5 prompts the user that the biopsy process can be continued when ready. 6. Other remarks: Design 2 claims color.

A system according to at least one embodiment of the present disclosure includes: a processor; and a memory on which data is stored, the data, when processed by the processor, enabling the processor to: receive a plurality of images captured with an imaging device; identifying a first component of the surgical device depicted in the plurality of images; registering the surgical device and the imaging device based on the first component; receiving information associated with a viewing position, where the imaging device is aligned with a second component of the surgical device when in the viewing position; and determining a movement of the imaging device for positioning the imaging device at the viewing position based on a combination of the viewing position and the registration.

A system includes a controller configured to receive three dimensional (3D) imaging input and feedback and generate output, the 3D imaging input including real-time or pre-processed data of a magnetic resonance imaging (MRI) / computerized tomography (CT) scan, the controller interfacing with a stereotactic robot.

The invention relates to the technical field of neurosurgery simulation training equipment, in particular to a minimally invasive intracranial hematoma removing surgery simulation training device which comprises a round ruler, a hematoma removing device, a mounting frame and a self-locking rotating part, a fitting plate is movably arranged on the inner side of a mounting plate, and a main air bag making contact with the fitting plate is arranged on the inner side of the mounting plate; according to the minimally invasive intracranial hematoma removal operation simulation training device, the main air bag and the side air bags are arranged on the inner side of the mounting plate and matched with the pneumatic control mechanism, the main air bag and the side air bags are arranged on the outer surface of the inner side of the mounting plate, and the side air bags are arranged on the outer surface of the inner side of the mounting plate and movably arranged on the side edges of the attaching plate. The self-adaptive flexible fitting of the simulated skull model and the stereotactic positioning assembly can be realized, the main air bag and the side air bag are cooperatively expanded, the size deviation, the assembly clearance and the operation stress of the model can be compensated, the fitting plate is tightly attached to the surface of the model, and the training deviation caused by poor fitting is avoided.

A method includes receiving preoperative or intraoperative data from an imaging system, receiving interoperatively stereotactic information during a surgical tool tracking from a navigational device, the navigation device configured to identify, confirm, project a location and display the surgical tool within a body, the navigational device further configured to process and interpret volumetric data and the stereotactic information to access a patient's local bone density within and without a current course and directional vector to assist a surgeon to decide on a size and material of an implant to be placed within a patient's bone.

1. The name of the design product: stereotactic apparatus (JS302). 2. The use of the design product: using the three-dimensional coordinate system defined by the marks on the skull or other reference points to determine the location of certain subcortical neural structures in order to stimulate, destroy, inject drugs, guide potential, etc. under non-direct exposure. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: stereogram 1.

Disclosed is a stereotactic guidance device comprising a guide handle coupled inside the driving part, and configured to accommodate a guide tube unit, adjusting the guide tube unit to be positioned toward a target point, and guiding the guide tube unit so that the guide tube unit is provided inside the driving part; a probe accommodating part provided at the guide handle and accommodating a navigation probe; a tube connecting part connected to the guide handle, provided as at least a pair of members to be assembled and disassembled, having one end portion inserted into the guide handle and the other end portion mounted at an upper portion of the guide handle, and guiding the guide tube unit so that the guide tube unit is inserted into and mounted in the driving part; and a guide wire provided in the guide handle and the guide tube unit.

The application discloses a stereoscopic directional device, which comprises a base, a connector, a guide rail, a support and a guide, wherein the base is used for being fixed to a head; one end of the connector is pivotally arranged on the base, and the connector can be detached relative to the base; the guide rail is ball-jointedly arranged on the other end of the connector; one end of the support is slidingly arranged on the guide rail; the guide is embedded on the other end of the support, and the guide is used for guiding the direction of a puncture channel of a stereoscopic directional puncture operation. The base is used for fixing the stereoscopic directional device to the head, the connector is detachably connected with the base, so that the connector can be detached from the base before a CT scanning operation is completed, and the weight of the head of a patient can be reduced. The guide is installed on the guide rail through the support, the guide can move relative to the guide rail, the flexibility and the working range of the stereoscopic directional device can be further improved, and the puncture operation can be accurately, flexibly and quickly positioned. The stereoscopic directional device has the advantages of simple structure, convenient use and low cost.

An accuracy system configured to determine the accuracy of a stereotactic system The accuracy system is configured to determine a displacement between a pointer tip positioned by the stereotactic system and a target point defined by a phantom base. The accuracy system is configured to mechanically engage the phantom base when the phantom base mechanically engages the stereotactic system to determine the displacement. In examples, a gauge support mechanically engages a pin of the phantom base and determines the displacement using one or more visible indicia. In examples, a gauge frame supports one or more cameras and determines the displacement using a first image and a second image obtained by the one or more cameras. The accuracy system provides an output viewable by a practitioner to indicate the determined displacement.

A stereotactic device wearable by a patient for low-intensity focused-ultrasound neuromodulation has a support frame shaped to be fitted around a head of the patient, a first movable component having an arched shape and having a first end and a second end engaged with the support frame at respective first and second coupling points. A second movable component has an engagement portion with the first movable component adapted to allow the second movable component to move integrally with the first movable component and to slide along the first movable component to take a plurality of positions between a first position in which the second movable component is proximal to the first end and a second position in which the second movable component is proximal to the second end. A low-intensity focused-ultrasound neuromodulation module housed in a support portion of the second movable component has a low-intensity focused-ultrasound sonication probe.

A platform device for material excision or removal from vascular structures for either handheld or stereotactic table or robotics platform use may comprise a work element or elements configured to selectively open and close at least one articulable beak or scoopula configured to penetrate and remove intra-vascular materials or obstructions, or follow a central lumen of another device or over a wire in a longitudinal direction. A telescoping set of inner and outer tube axially actuated together and to actuate a beak set, axially actuated differentially, whether controlled mechanically or electronically may be combined with an outer tubular sheath, which may be full circumference or partial circumference along its length, to form a system for rotational non-sharp dissection, coring, severing off, transporting or in the reverse, depositing various fluids and solids for a variety of clinical uses.

The application discloses a stereotactic fixing frame for percutaneous lung biopsy and belongs to the field of medical auxiliary instruments. The fixing frame comprises a horizontal moving mechanism, the lower portion of the horizontal moving mechanism is provided with an angle adjusting mechanism, the two sides of the horizontal moving mechanism are provided with L-shaped supports, the bottom ends of the L-shaped supports are provided with clamping mechanisms, the horizontal moving mechanism comprises a sleeve, the sleeve is located outside the opposite ends of the two L-shaped supports and is in sliding connection with the L-shaped supports, the clamping mechanisms are capable of being quickly connected, can be adapted to the edges of various conventional hospital beds, can be quickly clamped and fixed through screwing operation, can greatly shorten the time consumption of preoperative installation, can improve the clamping friction force in cooperation with anti-skid buffer pads, can completely eliminate the problems of device displacement and shaking during operation, can guarantee the stability of the positioning reference throughout the whole process, can avoid puncture deviation caused by unstable fixation from the root, and can improve the overall operation safety.

The application discloses a kind of conduit stereoscopic shaping device and its shaping method, by being arranged in the axial through heating groove, cooling groove and being located in the heart of molding groove on the two end surfaces of stereoscopic plastic device main body, and cooling groove is located in the radial outer side of heating groove, both are spaced apart with multiple along the circumference, condenser or air pipe is installed in cooling groove;Several screw holes for loading adjusting rod are opened on the side wall of stereoscopic plastic device main body, and screw hole passes through heating groove, cooling groove and reaches molding groove and is arranged with multiple layers along the axial direction on the side wall, and each layer screw hole is spaced apart with multiple along the circumference and is equipped with adjusting rod one by one, and adjusting rod is symmetrically distributed in pairs on the side wall, can be adjusted in real time to the molding angle of conduit in molding process, solve the problem that existing conduit molding mold cannot be adjusted again once determined and existing technology can only be plane shaped, so that conduit can be more matched with human body cavity, more easily make conduit reach surgical area quickly.

The present disclosure provides a device for treating solid tumors, a treatment plan planning method, equipment and system, relating to the technical field of medical devices, for solving the technical problem that the existing treatment plan has certain limitations. The device for treating solid tumors comprises a low-dose radiotherapy nested stereotactic radiotherapy system; the low-dose radiotherapy nested stereotactic radiotherapy system is used for low-dose radiotherapy on the whole of the solid tumor, and stereotactic radiotherapy on the local solid tumor. The present disclosure can formulate a reasonable treatment plan for a single solid tumor or multiple solid tumors of a patient through the synergistic treatment mode of low-dose radiotherapy and stereotactic radiotherapy.

Embodiments of the present disclosure discloses a stereotactic device (100, 200). The stereotactic device (100, 200) comprises, a clamp (102, 202), a bar (106, 206) configured for being held by the clamp (102, 202), and an articulating arm assembly (120, 220). The articulating arm assembly (120, 220) comprises a bottom arm (122, 222) being coupled to the bar (106, 206) through a first flexible joint (130, 230), a top arm (126, 226) being coupled to the bottom arm (122, 222) through a second flexible joint (140, 240), and being coupled to a sleeve (150, 250) through a third flexible joint (145, 245), wherein the first flexible joint (130, 230), the second flexible joint (140, 240) and the third flexible joint (145, 245) provide three degrees of freedom for moving and positioning a tip (156) of a medical device (154) attached to the sleeve (150, 250).

The invention discloses a CT puncture three-dimensional stereotactic guiding system and a puncture guiding method, and belongs to the technical field of medical equipment. The system comprises a positioning device for establishing association between an image and a body surface; the puncture support consists of an angle gauge connecting support and a puncture needle fixing frame which are rigidly connected to form a fixed geometrical relationship; and the real-time navigation and feedback module comprises a wireless angle gauge capable of being arranged in the bracket, a display terminal for receiving data and real-time display software running on the display terminal. During use, a doctor plans a target needle insertion angle according to a preoperative CT image, monitors the current angle of the puncture needle in real time through software during an operation, adjusts the direction according to the current angle, and ensures that the needle is inserted along a preset path. Three-dimensional stereotactic and real-time visual guidance in the puncture process are achieved, the CT scanning frequency and operation time can be remarkably reduced, the doctor-patient radiation dosage is reduced, the puncture accuracy and safety are improved, and the method has the advantages of being easy and convenient to operate, low in cost and easy to popularize.

The present application relates to neurosurgery simulation training device technical field, specifically to a kind of minimally invasive intracranial hematoma removal operation simulation training device, including round ruler, hematoma removal device, mounting bracket and self-locking rotating part, the inner side of mounting plate is movably provided with the matching plate, the inner side of mounting plate is provided with the main air bag in contact with the matching plate, the inner side of mounting plate is provided with side air bag, side air bag is movably arranged in the side of matching plate, this kind of minimally invasive intracranial hematoma removal operation simulation training device, by setting up main air bag and side air bag in the inner side of mounting plate, cooperate with pneumatic control mechanism, the adaptive flexible matching of simulation head model and stereoscopic directional positioning assembly can be realized, main air bag and side air bag are inflated in coordination, can compensate model size deviation, assembly gap and operating stress, so that the matching plate is closely attached to model surface, avoid the training deviation caused by poor adhesion.

The utility model provides a stereotactic device, an adjusting device and a stereotactic system. The adjusting device comprises a base fixing piece, an angle measuring frame, an angle adjuster, a guiding piece, an X-direction displacement table, a Y-direction displacement table and a Z-direction displacement table. The stereotactic device comprises a base, a base adapter, a connector, a ball head mechanism, a guide rail and a support. The base is fixed to a target object; the base adapter is selectively mounted on the base fixing piece or the base; the base fixing piece is arranged on the Z-direction displacement table; the Z-direction displacement table is arranged on the X-direction displacement table; the angle measuring frame is arranged on the Y-direction displacement table and can rotate around the rotating central axis; the angle adjuster is arranged on the angle measuring frame and is provided with the guide piece; the axis of the guide piece and the rotation center axis intersect at a target point; the connector is connected with the base adapter and the ball head mechanism; the ball mechanism is connected with the guide rail; the support is arranged on the guide rail and provided with the guider, and the axis of the guider coincides with the expected approach direction. Flexible adjustment of the device can be achieved, and disassembly and assembly are convenient while the adjustment precision is guaranteed.

The invention relates to the technical field of medical equipment, and particularly discloses a telescopic stereotactic treatment head, a collimation cone automatic switching system and radiotherapy equipment, and the telescopic stereotactic treatment head comprises a radiation conversion target, a primary collimator, a multi-element collimator and two collimation cone assemblies which are sequentially arranged along a treatment beam irradiation path. The collimation cone assembly comprises a plurality of collimation cones, a collimation cone tray, a switching assembly and a telescopic assembly, the plurality of collimation cones are installed on the collimation cone tray, the collimation cone tray is in transmission connection with the switching assembly, and the switching assembly is used for enabling one of the first collimation cones to be aligned with the multi-element collimator; the collimation cone tray is further in transmission connection with a telescopic assembly, and the telescopic assembly is used for adjusting the longitudinal distance between the first collimation cone and the multi-element collimator so as to adjust the effective irradiation field size. According to the invention, automatic loading and rapid switching of the collimating cones can be completed according to a treatment scheme, various different radiotherapy modes are considered, and the treatment efficiency is improved.

This utility model discloses a base ring and a stereotactic apparatus including the base ring. The base ring has one adaptive column and three rigid contact columns. The base ring is a component of the stereotactic apparatus and is used in framed stereotactic surgery. Based on the improved supine installation technique, it reduces the invasive problems caused by changing the "four-point" base ring fixation to a "three-point" fixation, further lowering the technical threshold of framed stereotactic surgery, especially opening the door for grassroots clinicians and benefiting a wider range of people in rural areas.

This application relates to a stereotactic head frame support that is easy to assemble and disassemble, belonging to the field of medical device technology. The stereotactic head frame support of this application includes a support body, screws, and mounting accessories. Internal threads are provided on the mounting accessories; when patient blood enters the internal threads along the external threads, it also resides on the mounting accessories. Pressing the latch allows the mounting accessories, along with the screws, to be easily removed from the support body. The mounting accessories and screws can be discarded as disposable consumables. If not discarded, the mounting accessories and screws are easy to clean after removal, effectively preventing cross-infection. Furthermore, once the internal threads on the mounting accessories become worn, they can be easily replaced directly.