19results about How to "Reduce puncture" patented technology

The invention relates to a self-repairing invisible car cover and a preparation method thereof, and relates to the technical field of automobile material processing, and the self-repairing invisible car cover comprises the following components in parts by mass: 20-40 parts of fluorine-containing polyol, 15-30 parts of polyisocyanate, 5-10 parts of a composite chain extender, 10-20 parts of self-repairing microcapsules, 1-3 parts of an initiator and 30-50 parts of a solvent. The preparation method comprises the following steps: preparing a self-repairing coating; coating the surface of the transparent substrate with an adhesive to obtain an adhesive layer, and covering the adhesive layer with a release film to obtain a semi-finished automobile cover; and the self-repairing coating is applied to the face, away from the release film, of the semi-finished automobile cover, heating and curing are conducted, the semi-finished automobile cover with a self-repairing coating is obtained, the self-repairing coating is coated with a protective film, and the self-repairing invisible automobile cover is obtained after curing. The automobile cover has the effect of improving the self-repairing performance of the automobile cover, and the automobile cover has good weather resistance, tensile resistance and puncture resistance.

The invention relates to the technical field of cables, and provides an anti-collision buffer type low-voltage cable which comprises a cable unit, the cable unit comprises a wire core, an armor layer and an outer sheath and further comprises a protection assembly, a connecting part and a limiting assembly, the protection assembly is arranged outside the outer sheath and comprises a protection plate and a buffer block, and the connecting part is arranged on the protection plate. The protective plates are arranged outside the outer sheath through the buffer springs and the telescopic rods, the protective plates are arranged in multiple groups, each group of protective plates comprises multiple protective plates, the multiple protective plates in a single group are arranged outside the outer sheath at equal angles, the buffer blocks are fixedly connected to the interior of the outer sheath, and the buffer blocks make contact with the ends, close to the outer sheath, of the protective plates. The connecting part is used for connecting the two cable units, and the limiting assembly is used for limiting the connected connecting part. According to the technical scheme, the problems that in the prior art, external force easily causes cable damage, and interference is caused to cable power supply are solved.

The utility model relates to the technical field of shoe soles, and provides an anti-puncture shoe sole which comprises a shoe sole body and a plurality of supporting protrusions, the supporting protrusions are connected to the lower surface of the shoe sole body, a plurality of receding grooves are defined and formed between the adjacent supporting protrusions, and the hardness of the supporting protrusions is larger than that of the shoe sole body; and the sole body is provided with a metal sheet at the bottom of the avoiding groove. The present application has the effect of ensuring the portability of the sole while reducing the risk of the sole being pierced.

The application belongs to the field of solar cells. A gap film and a photovoltaic module are provided. The gap film comprises a bonding layer, an insulating layer, a first metal reflection layer, a first reflection structure, a support body and a second metal reflection layer which are sequentially stacked. The gap film of the application effectively improves the front power gain of the photovoltaic module, and has good long-term reliability.

The utility model discloses an anti-backflow medical drainage bag, relates to medical drainage bag technical field, one side of drainage bag main part is fixedly connected with the protection mechanism, and the protection mechanism includes the protection frame that is fixedly connected to drainage bag main part outer surface position, one side of the protection frame is fixedly connected with the fixed block, and the fixed block is fixedly connected with the drainage bag main part. The inner surface of the fixing block is rotationally connected with a rotating shaft, one side of the rotating shaft is fixedly connected with an adsorption disc, one side of the drainage bag body is fixedly connected with a load reducing mechanism, the drainage bag body is a sterile drainage bag, the transparent material is silica gel, the drainage bag body has non-toxic and high-temperature-resistant performance, and the protection frame is hard in material and light in weight; the rotating shaft can adjust the angle of the adsorption disc. Compared with an existing common drainage bag, the anti-backflow medical drainage bag has the advantages that collision and extrusion damage occur, the possibility that the drainage bag is punctured by sharp objects is reduced, the firmness of the drainage bag is improved, the problem of overload of the drainage bag is avoided, and the flowing smoothness of liquid in the drainage tube is guaranteed.

The invention relates to the technical field of conductive devices, and discloses a conductive ring suitable for assembly assembling and a motor assembly. The conductive ring comprises a conductive ring main body, and the interior of the conductive ring main body is used for installing a rotating part; and the conductive fibers are uniformly distributed on the outer edge of the conductive ring main body. According to the conducting ring and the motor assembly, the conducting fiber is arranged on the outer edge of the conducting ring body, and the conducting ring rotates along with the rotating piece. The conductive fibers can be straightened under the action of centrifugal force in the following rotation process; the conductive fibers are straightened, so that the contact effect can be guaranteed, interference between the conductive fibers and a static part is effectively reduced, and abrasion is reduced; the conductive fibers can throw oil to the contact position of the conductive fibers and the static part under the action of centrifugal force, lubrication is guaranteed, abrasion is reduced, meanwhile, an oil film can be effectively punctured, effective conduction is guaranteed, and therefore the conductive performance of the conductive ring is improved.

The invention discloses a gynecological tumor 3D printing implantation guide plate puncture path design method, and relates to the technical field of gynecological tumor radiotherapy. The method comprises the following steps of: A100, filling a vaginal cavity, and acquiring intracavity and pelvic cavity data through CT (Computed Tomography); a200, the position Ti of a puncture target spot is determined, and a virtual puncture model is constructed; a300, modifying the CT data based on the virtual puncture model to enable a puncture path in the puncture model to be different from surrounding tissues, and exporting the modified CT data; a400, a final guide plate model is constructed according to the corrected CT data, and an implantation guide plate is manufactured through 3D printing; the problem that the puncture path of the gynecological tumor implantation guide plate is difficult to design scientifically is solved.

The utility model discloses a micro guide wire which comprises a guide pipe, the extension direction of the guide pipe serves as the first direction, a circulation channel penetrating in the first direction is formed in the guide pipe, a developing spring is arranged in the circulation channel, and the diameter of a pipe opening of the circulation channel in the first direction is smaller than that of the developing spring. The outer wall of the micro guide wire is smooth and complete, the moving smoothness of the guide wire in a blood vessel or other cavities is remarkably improved, friction resistance caused by surface unevenness or welding defects is reduced, meanwhile, the developing effect can be enhanced through the built-in developing spring, and DAS developing is clearer.

The invention relates to the technical field of batteries, in particular to a preparation method of safe slurry, which comprises the following steps: S1, primary pre-dispersion of a mixed ceramic material and a solvent, S2, secondary pre-dispersion after addition of a dispersant, S3, stirring dispersion after third pre-dispersion after addition of a conductive agent, S4, fourth pre-dispersion and stirring dispersion after addition of a binder, and S5, secondary pre-dispersion after addition of a binder. S5, stirring and dispersing after adding a dispersing agent, and S6, slowly stirring and dispersing and reversely defoaming, and finally slowly stirring and discharging to obtain the safe slurry. According to the preparation method disclosed by the invention, aggregate of particles can be more effectively broken through multiple pre-dispersion and stirring dispersion, interaction force among the particles is reduced, so that relatively uniform particle distribution is obtained, proper viscosity of a mixed solution can be ensured through fractional addition of the dispersing agent, and the mixed solution has a relatively good dispersion effect during stirring. In addition, the invention also discloses a safe slurry and a safe coating structure for a battery.

The utility model relates to the technical field of cables, and discloses a low-heat-release B2-grade polyvinyl chloride insulated cable for buildings, which comprises a plurality of conductors, insulating layers are fixedly connected outside the plurality of conductors, a same filling layer is fixedly connected outside the plurality of insulating layers, a wrapping tape is fixedly connected outside the filling layer, and the wrapping tape is fixedly connected outside the plurality of conductors. The outside of the wrapping tape is fixedly connected with an anti-puncture layer, the outside of the anti-puncture layer is fixedly connected with a buffer layer, and the outside of the buffer layer is fixedly connected with a sheath. According to the utility model, the conductors are isolated through the insulating layers to prevent current leakage and reduce heat release in case of fire, the filling layer fills gaps of the cable to enhance mechanical properties and heat dissipation, and the puncture-proof layer prevents the cable from being punctured, so that a stable and safe power transmission effect is realized, the safety risk in the power transmission process is reduced, and the fire hazard is reduced; the adaptive capacity of the cable in a complex environment is enhanced, and reliable operation of the cable in a building is guaranteed.

The application provides a prostate lesion identification method, system, device and medium based on machine learning, comprising: acquiring historical mp-MRI images and intraoperative TRUS images of a patient; acquiring lesion spatial information of an MRI-US fusion image based on the historical mp-MRI images and the intraoperative TRUS images; performing puncture on the prostate of the patient based on the lesion spatial information to acquire pathological information of a puncture point; performing spatial mapping on the historical mp-MRI images based on the pathological information of the puncture point to acquire pathological-image feature pairs; training a lesion identification model based on the pathological-image feature pairs to perform prostate lesion identification based on mp-MRI images through the trained lesion identification model. The application locates suspicious areas of prostate lesions with the aid of fusion images of historical mp-MRI images and intraoperative TRUS images, and performs machine learning on the historical mp-MRI images positioned and labeled according to the pathological information of the puncture point, so as to quickly and accurately identify prostate lesions.

The invention discloses a solid-state lithium battery with a two-pole barrier structure, the solid-state lithium battery comprises a protective outer frame, a positioning rod, a pressing column and a battery structure body, the battery structure body is placed in the protective outer frame, the battery structure body comprises fixed plates, barrier wrapping frames and barrier frames which are symmetrically arranged, and connecting holes III are formed in the tops of the two barrier wrapping frames in a penetrating manner. Through the expansibility of a second reset spring and the effect that a first limiting block can slide in a guiding mode in a limiting sliding groove, a pressing column can keep the downward pressing force on a fixing plate in a self-adaptive mode for a long time, and a battery structure body connected with the fixing plate can be stably placed in a designated placement space position in a protective outer frame; and through the arrangement of the two groups of barrier wrapping frames, the fixed plate, the sealing cover and the bottom plate, the combination of the battery structure body is tighter, and external moisture and oxygen are effectively prevented from entering the all-solid-state lithium battery to further damage the battery structure.

The present invention belongs to the technical field of food processing, and specifically is an efficient food forming device, comprising a group of cutting components arranged in parallel, wherein a slide plate is slidably connected in the cutting component, a pressure rod fixedly connected to the top of the slide plate penetrates the cutting component and extends to the upper part of the cutting component, and a pressure handle is fixedly connected to the top of the pressure rod; when the pressure handle slides downward to the bottom, the slide plate does not completely escape from the cutting component; handles are symmetrically fixedly connected to the top of the cutting components on both sides through brackets; a pair of limiting rods are fixedly connected to the two brackets, and the pressure rod is located between the limiting rods and slidably connected to the limiting rods; the present invention can obtain a glutinous rice ball that matches the shape of the cutting component by placing the cutting component on the top of the glutinous rice cake and pressing and cutting it, and at the same time, multiple groups of cutting components are used for simultaneous cutting, which doubles the forming speed of the glutinous rice ball and improves the production speed of the glutinous rice ball.

The invention discloses an ultrasound-guided puncture needle, and belongs to the technical field of medical instruments. Comprising a needle handle; the needle body connector is arranged at the end part of one end of the needle handle; the needle body puncture mechanism is arranged at the end part of one end, far away from the needle handle, of the needle body connector and penetrates through the needle handle and the needle body connector; the outer needle body assembly is matched with the inner needle puncture assembly, so that the inner needle puncture assembly running in the outer needle body assembly can be conveniently observed, the inner needle puncture assembly moves more accurately under the guidance of ultrasonic waves, and the puncture needle can also play an auxiliary guiding role in the inner needle puncture assembly in the using process; the puncture needle can be moved to a treatment area of a patient more accurately during use, and the effect of being matched with ultrasonic wave to guide displacement is more accurate; the problem that when a traditional blocking puncture needle is used, an ultrasonic image of a needle core is shielded by a needle body, and consequently the specific movement position of the needle core is not accurate enough is solved.

The utility model discloses a kind of wear-resistant anti-cracking environmental protection power cable, it is related to power cable technical field, solve the problem of lower wear resistance and anti-cracking performance of power cable in prior art;Including inner core, inner core includes a plurality of array distribution's conductor, the insulating layer of setting on each conductor and the shielding layer wrapped in the outside of insulating layer;Insulating layer includes the insulating inner layer wrapped in the outside of each conductor, the insulating outer layer wrapped in the outside of insulating inner layer and the filling layer setting between insulating outer layer and insulating inner layer gap;Still include: outer sheath structure, setting in the outside of inner core, outer sheath structure includes outer sheath, anti-cracking buffer layer, environmental protection flame-retardant layer and armoring layer;The cable scheme of the utility model can enhance the wear resistance of power cable, improve the structural strength of cable, effectively avoid the cable cracking, wire core exposure and other situations caused by bending, repeated dragging, significantly improve the service life of cable.

The utility model discloses a remaining needle for vacuum blood sampling, and relates to the technical field of medical instruments. One end of the side wall of the transparent tee joint is fixedly connected with a catheter, the end, away from the transparent tee joint, of the catheter is fixedly connected with an infusion tube, the end, away from the catheter, of the infusion tube is provided with a positive pressure connector, and the side wall of the infusion tube is fixedly connected with a blood sampling connecting tube. One end of the blood collection connecting tube away from the infusion tube is provided with a blood collection assembly. During blood sampling operation, the sealing cover is opened, the blood sampling leading-out intubation tube is inserted into an external negative pressure blood sampling tube, then the water stopping clamp is opened, the blood sampling operation can be carried out, the water stopping clamp is closed after blood sampling is completed, and when the blood sampling assembly needs to be replaced or taken down, the blood sampling assembly is directly pulled out. Meanwhile, the medical cost is reduced, the medical waste is reduced, and the workload of medical staff is reduced.

This invention discloses a non-contact method for preserving pork using a composite essential oil emulsion combined with an electrostatic field and modified atmosphere packaging. The prepared composite essential oil nanoemulsion is packaged in polyethylene packaging, and the chilled pork is preserved using an electrostatic field synergistic with modified atmosphere packaging. A simple ultrasonic method is used to prepare a composite essential oil nanoemulsion composed of composite essential oils and Tween 80. This prepared emulsion and cooled, acid-removed pork are then placed in an O2 atmosphere. 2 CO 2 N 2 The product is stored in modified atmosphere packaging bags of polyethylene at 4±1℃. This invention can effectively control the increase in total bacterial count, volatile basic nitrogen, and pH of chilled pork during storage, better maintain the product's textural properties, color, and sensory quality, and extend the shelf life of chilled pork by 4-6 days.

The utility model discloses a riding boot which comprises a sole, a vamp and a boot tube, the sole is fixedly connected with the bottom of the vamp, the vamp is fixedly connected with the boot tube, the boot tube is made of TPU (thermoplastic polyurethane) materials, a zipper is arranged on the rear side of the boot tube, and a magic tape is covered on the surface of the zipper and can be adjusted according to different shank girths. The vamps are made of crease-resistant microfiber materials, air holes are distributed in the surfaces of the vamps, and alloy sliding blocks are detachably arranged on the heads of the soles through screws. When the riding boot is used, the tibia and the shank of a rider are protected through the shoe tube which is made of the TPU material and is wear-resistant and high in impact resistance, impact resistance, puncture resistance and torsion resistance protection are effectively achieved, and the risk of injury caused when a bicycle falls or is collided is reduced.