5results about How to "Protection organization" patented technology

The invention provides a magnetic resonance guided charged particle beam radiotherapy device and an electromagnetic navigation parameter debugging method for target coordinates, and belongs to the technical field of radiotherapy devices. The system comprises a charged particle beam electromagnetic navigation device which comprises multiple stages of electromagnetic navigation coils, charged particle beams sequentially pass through the multiple stages of electromagnetic navigation coils, and parallel charged particle beams consistent with a magnetic resonance main magnetic field in direction are generated; the MR imaging device comprises an MR main magnetic field coil upper group and an MR main magnetic field coil lower group, and an imaging treatment area is formed between the MR main magnetic field coil upper group and the MR main magnetic field coil lower group. The electromagnetic navigation parameter debugging method comprises the steps of constructing a target cost function, optimizing electromagnetic navigation parameters based on an optimization algorithm without gradient information, and determining and outputting optimal navigation parameters. According to the invention, the charged particle beam parallel to the MR main magnetic field can be generated, the influence of Lorentz force on the charged particle beam is greatly reduced, the difficulty of positioning a tumor target region by the charged particle beam under the guidance of MR can be reduced, and the treatment accuracy is improved.

The utility model relates to a kind of supporting laryngeal mirrors, laryngeal mirror main part is tubular, with proximal end and distal end, including laryngeal mirror main body, lever fixer;The distal end of the laryngeal mirror main body is double-lip structure, and there is the front lip of being closer to handle and the back lip of being farther away from handle;The lever fixer has two lever limiting structures coaxially arranged, which can fix the lever, and the inner side fixing part and the outer side fixing part can be fixedly connected with the edge part of the proximal end of the laryngeal mirror main body, wherein the inner side fixing part is fixed in the tube of the laryngeal mirror main body, and the outer side fixing part is fixed outside the tube of the laryngeal mirror main body.The laryngeal mirror can expose patients with difficult anterior commissure exposure, so that surgery can be performed.

The invention discloses an ultrasonic ablation planning method, an ultrasonic ablation system, electronic equipment and a program product. The method comprises the following steps: acquiring ultrasonic image data; performing image recognition processing on the ultrasonic image data to recognize a focus area; a to-be-ablated area and a protection area are determined according to the focus area, the to-be-ablated area covers the focus area, and the protection area and the to-be-ablated area are not overlapped; and generating ultrasonic ablation planning data according to the to-be-ablated area and the protection area, wherein the ultrasonic ablation planning data comprises an ablation element opening configuration corresponding to the to-be-ablated area and an ablation element closing configuration corresponding to the protection area. According to the scheme, through automatic image recognition and region division, surrounding normal tissues can be effectively protected while it is ensured that the focus region is completely covered and ablated, and the accuracy and safety of ultrasonic ablation treatment are improved.

The invention provides a composition for improving memory as well as a preparation method and application thereof, and belongs to the technical field of biology. The invention provides a composition with effects of assisting in improving memory and relieving visual fatigue. The composition is prepared from the following raw materials in parts by weight: 300 to 330 parts of DHA algal oil, 35 to 50 parts of arachidonic acid grease, 4 to 10 parts of phosphatidylserine and 4 to 9 parts of L-alpha-choline alfoscerate. According to the composition disclosed by the invention, functional grease (DHA algal oil and arachidonic acid grease), phospholipid substances (phosphatidylserine and L-alpha-choline alfoscerate) and medicinal and edible raw materials (gastrodia elata, American ginseng and ginseng) are scientifically matched, and all the components have a synergistic effect and complementary advantages, so that the dual effects of assisting in improving memory and relieving visual fatigue are realized; the safety is high, the bioavailability is good, the multi-target synergistic interaction is realized, and the memory improvement effect is obvious.

The utility model relates to fish ball forming machine technical field especially fish ball forming machine unloading device, the utility model discloses including through screw can dismantle and set on fish ball machine and along the vertical setting of up and down height direction's stuffing hopper, the drive rod of rotation and set on the upper portion of stuffing hopper, the component of driving away stuffing of can dismantle and set on the lower extreme of drive rod and set on drive rod and be used for driving drive rod axial rotation's control component. The device is aimed at reducing the peripheral stuffing slip as far as possible.