10results about How to "Protection organization" patented technology

The invention relates to pumpkin seed protein peptide with a sarcopenia delaying effect and a preparation method and application thereof, and belongs to the technical field of biology. The invention provides a preparation method of pumpkin seed protein peptide with a sarcopenia delaying effect, which comprises the following steps: S1, mixing pumpkin seed crude protein with water, and homogenizing to obtain homogenized liquid; s2, adjusting the pH value of the homogenate obtained in the step S1 to 7.5-10.0, adding protease, performing enzymolysis at 50-60 DEG C for 2-10 hours, and performing enzyme deactivation to obtain enzymatic hydrolysate; and S3, centrifuging the enzymatic hydrolysate obtained in the step S2, wherein the obtained supernatant is the pumpkin seed protein peptide. Crude pumpkin seed protein is subjected to enzymolysis under specific conditions to obtain the pumpkin seed protein peptide, and it is proved through a caenorhabditis elegans model that the pumpkin seed protein peptide can delay muscle loss, protect muscular tissue and improve the athletic ability of muscles, so that the effect of delaying muscle attenuation is achieved.

The utility model relates to the technical field of medical treatment, in particular to a radiation shielding device and a boron neutron capture therapy system.The radiation shielding device comprises a first shielding layer used for shielding neutron beam scattering and a second shielding layer which has no shielding effect on neutron beams and is used for shielding gamma rays in the neutron beams. The first shielding layer and the second shielding layer are arranged in an attached mode, the first shielding layer is provided with a beam outlet hole allowing a neutron beam to penetrate through, and the position, corresponding to the beam outlet hole, of the second shielding layer is not provided with the beam outlet hole, so that the second shielding layer is kept complete. Wherein the radiation shielding device can effectively protect normal tissues of a patient from being damaged by scattered neutron beams and gamma rays, and the normal tissues are prevented from being damaged by radiation; the method does not need to adapt to body types of patients, is high in universality and does not need to be customized according to body type differences of the patients, cost is remarkably reduced, and economic burdens of the patients are smaller. And direct contact with a patient is not needed, so that the comfort of the patient is better while the shielding effect is ensured.

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 invention provides antibacterial eye drops containing a herbal compound for pets and a preparation method of the antibacterial eye drops. The antibacterial eye drops for the pets are prepared from the following components in percentage by mass and volume: 1%-5% of a compound of a honeysuckle flower extract and a dandelion extract, 0.2%-1% of hyaluronic acid, 0.01%-0.05% of vitamin B2, 0.001%-0.005% of menthol and the balance of water for injection. The antibacterial eye drops for pets not only have efficient antibacterial and anti-inflammatory effects, but also are mild and non-irritant in formula, free of toxic and side effects, suitable for pets to use for a long time and capable of maintaining eye health of pets for a long time.

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 relates to a radiation system of a medical linear accelerator and a method thereof, the radiation system comprises a support device, a plurality of accelerators and a control module, the support device can perform multi-dimensional motion and is used for bearing a patient; an accelerator for generating a radiation beam to radiate the patient; the control module is used for controlling the accelerators and the supporting device; through multi-dimensional movement of the supporting device, non-coplanar radiotherapy is carried out on a target treatment target area of a patient by the accelerators located on the patient supporting device, intensity modulated radiation treatment is realized by controlling single opening or combined opening of a plurality of accelerators, and a plurality of radiation beams from the accelerators are configured to be transmitted from different orientations; the structure is simple, and the radiation system of the medical linear accelerator comprises a supporting device and a plurality of accelerators; therefore, any one radiation mode is adopted by a plurality of accelerators, and a plurality of different radiation therapy modes can be realized by selecting a combination mode.

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 embodiment of the invention provides a novel cantilever point contact type fixed restoration, and relates to the technical field of oral cavity restoration. The novel cantilever point contact type fixed restoration comprises an alveolar bone and a restoration bridge body used for restoring dentition defects, meanwhile, one end of the restoration bridge body is provided with an adjustable connector, and the adjustable connector is used for improving the mechanical strength and fracture resistance of the restoration bridge body. One side, far away from the repairing bridge body, of the adjustable connecting body is provided with a retention wing, the other end of the retention wing is provided with an abutment, the adjustable connecting body and the retention wing are connected and bonded on the abutment, and tooth preparation for the abutment is not needed, so that the integrity of the abutment is protected. According to the scheme, the fracture resistance and the mechanical strength of the repairing bridge body can be effectively improved, so that the service life of the repairing bridge body is longer, the economic burden of a patient is relieved, and meanwhile, the integrity of dentition is also kept.

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.