8 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 head-mounted eye covering instrument comprises a head-mounted fixing part, an attaching plate, an eyeshade and a connecting rod, the attaching plate is connected with the head-mounted fixing part so as to be capable of being worn on the head of a patient and attached to the brain part, one end of the connecting rod is connected with the attaching plate, the other end of the connecting rod is connected with the eyeshade, and the connecting rod is connected with the eyeshade. The connecting rod can move in the length direction relative to the attaching plate so as to drive the eyeshade to shield the eyes of different parts of the patient, the position of the eyeshade can be adjusted at will, the eyeshade is suitable for the eye positions of different patients, use is more convenient, and the eye shielding instrument can be worn on the head when eye examination is conducted on the patient and taken down when no examination is conducted. And the device can be directly disinfected and cleaned for repeated use, so that the use of disposable medical consumables is reduced, and the examination cost is saved.

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.

To provide a highly accurate determination result when determining a capability using a brain wave of a determination subject.SOLUTION: The present invention comprises: a step (ST4) for obtaining, from a storage part, any one of or both of brain activity information related to a brain activity intensity or a relationship between a brain activity amount from a characteristic brain part represented by a brain activity capacity and a work capacity, and connection information related to a relationship between a connectivity and work capacity of a brain activity of a characteristic brain part calculated by a brain activity amount of a connection-relation part that is in connection relationship that temporally synchronized with the brain activity of the characteristic brain part; and a step (ST6) for obtaining any one of or both of the brain activity amount of the characteristics brain part of a determination subject whose work capacity is to be determined and a connectivity of the connection relation part, and for determining a work capacity of the determination subject by using any one of or both of the brain activity amount of the characteristic brain part off the determination subject to the brain activity information and the connectivity of the connection relation part of the determination subject to the connectivity information.SELECTED DRAWING: Figure 4

The neck protection pillow comprises a pillow inner body, the pillow inner body comprises an arc-shaped concave part used for containing the head of the human body, a first side wing part and a second side wing part, the first side wing part and the second side wing part are arranged on the two sides of the extending direction of the arc-shaped concave part, and the afterbrain part of a user is wrapped by the arc-shaped concave part. A transversely-arranged soft-plastic supporting object is arranged at the connecting position of the neck protecting part and the arc-shaped groove, the soft-plastic supporting part plays a role in supporting the neck of a user when the user lies down, the neck protecting part plays a role in buffering the cervical vertebra of the user, the neck of the user is prevented from making hard contact with the soft-plastic supporting object, and therefore the cervical vertebra of the user is prevented from being damaged. The surface of the first side wing part and the surface of the second side wing part are provided with the ventilation grooves used for improving the breathability of the pillow inner body, the ventilation effect is achieved when the user lies on the side, and the phenomenon that the head of the user and the pillow are locally stuffy is relieved.

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.

A quantitative parametric brain imaging method and apparatus, and a device and a medium. The method comprises: on the basis of a short-axis-view positron emission computed tomography (PET) imaging result of a brain, acquiring a reference drug-metabolism time-activity curve of a preset reference brain part (S110); on the basis of a mapping relationship between the reference drug-metabolism time-activity curve and a drug-metabolism time-activity curve of the descending aorta, determining a target drug-metabolism time-activity curve of the descending aorta (S120); and on the basis of the target drug-metabolism time-activity curve and a preset pharmacokinetic model, completing a target cerebral pharmacokinetic parametric image (S130).