4 results about "Brain Part" patented technology

Disclosed is a marking composition comprising a marker and a hydrogel. Disclosed is a process of forming a marking composition comprising mixing a marker and a hydrogel. Disclosed is an article comprising a marker, a hydrogel, and an implement. Disclosed is a kit comprising a marker, a hydrogel, and an implement, wherein the marker and hydrogel are combined. Disclosed is a method for marking a portion of the brain in a mammal comprising: (a) removing a portion of a mammal's skull to expose a portion of the brain matter; and (b) contacting the exposed portion of the brain with a marking composition. Disclosed is a method for recording electrical activity in a brain, comprising: (a) removing a portion of the skull, thereby exposing a portion of a brain; (b) inserting an electrode into the brain; and (c) recording electrical activity via the electrode, wherein the electrode is at least partially coated with a marking composition.

The invention discloses a sinus cavity analysis system based on a CT image, electronic equipment and a storage medium, and the system comprises a sinus cavity segmentation module which is suitable for carrying out the segmentation of a CT image of a craniocerebral part through a trained deep learning model, and obtaining the spatial structure information of a sinus cavity in the craniocerebral part; the model construction module is suitable for constructing a ball-stick model by taking the sinus cavities as balls and the channels between the sinus cavities as sticks according to the sinus cavity space structure information obtained through segmentation; and the smoothness analysis module is suitable for analyzing the smoothness between the sinus cavities according to the characteristics of the ball and the stick in the ball and stick model. According to the technical scheme, the space structure information of the sinus cavity of the craniocerebral part can be automatically extracted from the CT image, and errors and time consumption of manual operation are reduced; the sinus cavity is visually analyzed through the ball and stick model, the space structure and smoothness of the sinus cavity can be visually displayed, and the accuracy and efficiency of diagnosis are improved.

The polarity-adjustable non-invasive deep brain electrical stimulation system comprises a waveform generation module which generates a first frequency waveform by using a first signal generator and generates a second frequency waveform by using a second signal generator; the waveform rectification module is used for performing full-wave rectification on the first frequency waveform and the second frequency waveform by using a first rectification assembly and a second rectification assembly to obtain a first rectification waveform and a second rectification waveform; the first rectification waveform and the second rectification waveform pass through a first current stabilization assembly and a second current stabilization assembly to obtain a first stimulation waveform and a second stimulation waveform; and outputting the stimulation waveform to a stimulation target spot by using the stimulation electrode so as to generate a stimulation waveform with low frequency envelope in the deep brain part. According to the invention, the polarity-adjustable time interference waveform is obtained through the stimulation current rectification, so that the low-frequency envelope current with different polarities is utilized to selectively apply suitable electrical stimulation for different brain abnormal activity characteristics, and the pertinence and effectiveness of the electrical stimulation are improved.

The application relates to a preparation method of a guide plate for radiofrequency thermocoagulation based on 3D printing, which comprises the following steps: constructing a 3D image model of a cranial brain part of a patient before operation, constructing a 3D frame structure of the guide plate for radiofrequency thermocoagulation, determining a puncture channel of a target point, and setting a virtual puncture channel of a radiofrequency cannula needle on a puncture channel path; setting a radiofrequency cannula needle guide hole on the outside of the 3D frame structure of the guide plate for radiofrequency thermocoagulation; removing the puncture channel and the virtual puncture channel of the radiofrequency cannula needle, and completing the preparation of the guide plate for radiofrequency thermocoagulation. The guide plate provides a prerequisite for accurately puncturing to a surgical target point part, important body tissues are avoided in the guide plate design, tissue damage is reduced, the surgical success of radiofrequency thermocoagulation is improved, and the pain of patients is reduced.