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180
resultados
Última actualización
30/06/2025 [07:17:00]
Resumen de: CN120203902A
本发明提供一种骨折固定装置控制方法，属于医疗器械技术领域，当骨折固定装置的夹持力不再适用于患者时，需要对第一压板和第二压板之间的压力值进行调整。首先通过压力传感器获取实时压力值，然后根据预设公式，结合预设的参数对驱动器的活动量进行调整，并在调整的过程中不断对压力值进行动态调整，直到实际压力值与预设压力值之间的差值小于设定阈值，通过动态迭代，将第一压板和第二压板之间给与患者的压力调整至最优值。无需患者进行手动调整，通过控制器中程序即可对骨折固定装置的加持力以及骨折固定装置的形状进行微调，在确保调整精度的同时，可以有效地确保对患者的治疗精确性。
Resumen de: CN120203810A
本发明公开了一种贴合患者颅骨的骨膜牵张装置，包括牵张板，牵张板的端部设置为弧形尖端，牵张板的表面为弧面，且能够与弧形尖端顺滑过渡；牵张板由液压机以及与患者颅骨数据相匹配的模具冲压成型；牵张板上开设有螺纹孔和多个固定孔；还包括牵张螺钉、螺纹针、转接头和钻头；其中，牵张螺钉上设有两端贯穿的内孔，螺纹针的一端以及钻头的一端均能够穿过内孔；螺纹针上固定连接有限位块a，钻头上固定连接有限位块b。本发明骨膜牵张装置中的牵张板，通过与患者颅骨数据相匹配的模具（凸模和凹模的组合）冲压成型，成型后的牵张板表面与颅骨表面的形状一致，能够非常良好的贴合颅骨与骨膜，利于骨膜牵张和恢复。
Resumen de: CN120206803A
本申请公开了一种根管峡部3D打印研究模型的构建方法、设备、介质及产品，涉及根管峡部打印技术领域，该方法包括：获取根管原始数据和预备后根管数据；根管原始数据为筛选出来的包含根管峡部的各种典型形态数据；根据预备后根管数据获取扩大后主根管直径数据，根据根管原始数据，提取出原始牙根三维表面数据，将原始牙根三维表面数据与扩大后主根管直径数据组合，得到根管峡部3D打印研究模型。本申请中筛选出来的根管原始数据包含了根管峡部所有的可能性，并且本申请中利用扫描得到的根管原始数据进行逐层建模的方式相比于现有技术中的模块化堆叠的方式，能够更加准确模拟真实根管峡部的形状和尺寸。
Resumen de: CN120203825A
本发明公开了一种基于弹性模量适配的新型仿生正畸种植钉结构，涉及正畸种植钉技术领域，包括种植钉本体，所述种植钉本体的内部设有孔隙结构，或者所述种植钉本体的内部以及表面均设有孔隙结构。本发明提供了一种具有多孔结构的种植钉本体，通过不同孔隙率调控种植钉本体的弹性模量，可以制备出不同弹性模量的仿松质骨结构的种植钉本体，以适应临床上不同骨密度的正畸患者的牙槽骨条件，提高种植钉本体植入后的成功率及正畸效果。
Resumen de: CN120203826A
本发明涉及种植牙导板技术领域，公开了一种基于3D打印的种植牙导板，包括：导板本体和定位孔，所述导板本体为弧形结构，且导板本体通过3D打印技术一体成型，并与患者牙弓形状相适配，所述定位孔设置于导板本体的表面用于引导种植体植入。通过采用3D打印技术一体化成型导板本体，同时通过患者口腔CT数据确定定位孔的位置，使该种植牙导板与患者牙弓贴合度高，且定位孔位置精确，同时，3D打印技术设备成本低，材料利用率高，降低了导板本体的制作成本，并且数字化设计和3D打印技术简化了导板制作流程，缩短了制作周期，进而使该种植牙导板具有高精度、低成本以及制作工艺简单便捷的优点，值得广泛推广应用。
Resumen de: CN120203741A
本发明提供一种新型3D打印接骨板，属于医疗器械技术领域，该新型3D打印接骨板包括；接骨板，接骨板采用增材制造工艺制成，具有针对增强区域的局部增强结构设计，通过逐层能量密度梯度变化的3D打印策略；显著提升了关键部位的致密度和力学性能，这不仅大幅增强了接骨板在局部区域的抗压和抗剪切能力，还确保了与患者骨骼的精确匹配，有利于促进骨折愈合过程中的稳定性，此外，基于患者CT/MRI数据的设计流程保证了接骨板能够针对个体差异进行定制化生产，提高了手术成功率和患者的恢复速度。
Resumen de: AU2023364836A1
Aspects of the present disclosure include methods for making a polymeric structure having a micro-void space. Methods according to certain embodiments include irradiating a polymerizable composition positioned between a build elevator and a build surface to generate a polymerizable composition having a polymerized region of the polymerizable composition having a micro-void space in contact with the build elevator and a non-polymerized region of the polymerizable composition in contact with the build surface, displacing the build elevator away from the build surface, contacting the generated micro-void space with a non-reactive composition and repeating in a manner sufficient to generate a polymeric structure having a resolved micro-void space. Systems for preparing a polymeric structure according to the subject methods are also described. Polymeric structures having a resolved micro-void space such as where the micro-void space is filled with a non-polymerizable composition are also provided.
Resumen de: CN120204460A
本发明提供了一种以钛合金为骨架增强相的铝基仿生复合材料及其制备方法，属于金属基复合材料领域。本发明提供的以钛合金为骨架增强相的铝基仿生复合材料，包括铝基体和钛合金骨架增强相；所述钛合金骨架增强相具有仿生牙釉质柱状微观结构特征的多孔结构，所述多孔结构为密排分布的圆柱状贯穿孔；所述铝基体填充于所述圆柱状贯穿孔中；所述以钛合金为骨架增强相的铝基仿生复合材料中钛合金骨架增强相的体积百分比为30～80％。本发明提供的铝基仿生复合材料的拉伸强度可达到811MPa，断后延伸率可达到10.3％，弯曲强度可达到1491MPa，断裂韧性可达到47MPa·m1/2，展现出优异的强韧协同效应。
Resumen de: WO2024086372A1
A system and method of adjusting a dental appliance by modifying a corresponding digital dental appliance model. The system includes an additive manufacturing system (e.g., a 3D printer system) and a controller running software. The system is designed to (i) 3D print a dental appliance using an initial digital dental appliance model, (ii) determine any portions of the printed dental appliance that may require modification, (iii) automatically adjust the appliance's digital model by performing pixel offsetting to implement a modification, and (iv) reprint the appliance using the modified digital model.
Resumen de: DE102023135732A1
Die Erfindung betrifft eine radikalisch polymerisierbare Verbindung, dargestellt durch eine Struktur der Formel 1:PG1-Sp1- OC (O) NH-K-NHC (O) O-Arn-OC (O) NH-K-NHC (O) O-Sp2-PG2(Formel 1) ,sowie eine radikalisch polymerisierbare Zusammensetzung, die Verwendung der radikalisch polymerisierbaren Verbindung oder der radikalisch polymerisierbaren Zusammensetzung zur Herstellung eines polymerisierbaren Dentalmaterials und ein ausgehärtetes Dentalmaterial.
Resumen de: AU2023377822A1
A detachable printhead for a bioprinter is disclosed, the detachable printhead comprising a body, removably attachable to a fixed portion of the bioprinter; a dispensing system, supported by the body; one or more reservoirs, for holding one or more biomaterials, in fluid communication with the dispensing system, supported by the body; and a coupling for attaching to the fixed portion of the bioprinter, the coupling including an interface for operating the dispensing system.
Resumen de: WO2025133728A1
The present invention relates to an orally administered formulation comprising caffeine as an active ingredient and having a drug-release controlling property, and a method for preparing same by using 3D printing and relates to a pharmaceutical composition and a food composition, of the formulation, for preventing or treating jet lag, and a composition to be applied to a 3D printer.
Resumen de: US2025205965A1
An orthodontic aligner that is formed of a three-dimensional printing composition includes: 10 to 80% by mass of (meth)acrylate having a urethane bond; 10 to 80% by mass of (meth)acrylate free from a urethane bond; 3 to 30% by mass of a polyurethane powder; and 0.01 to 10% by mass of a photopolymerization initiator. A viscosity of the composition is 200 to 3,000 mPa·s.
Resumen de: US2025205392A1
Embodiments relate to a device and/or method for vascularization, which can also be used to enhance regenerating tissues. The method comprises inducing surgical micropuncture, in which small perforations are created using a microscale needle in a wall of a target vessel. The method further comprises guiding microvascular development using granular and/or porous scaffolds, which are formed by converting materials, including polymers, to microparticles or porous constructs and subsequently assembling the microparticles or directly using the porous constructs by implanting on the target vessel and/or in the target tissue. The granular and/or porous scaffolds can also be formed on target tissues in situ.
Resumen de: WO2025137128A1
The present disclosure provides polymerizable composition that can produce desirable stain resistant polymeric materials, polymer compositions, and/or photo-curable resins. Further provided herein are methods of producing polymerizable compositions, resins, devices, and polymeric materials. Also provided herein are methods of using polymerizable compositions, resins, and polymeric materials for the fabrication (e.g., via 3D printing) of medical devices, such as orthodontic appliances.
Resumen de: US2025205013A1
The present invention relates to splints for injected veneers, which are designed based on computer-assisted planning and performed by injection using 3D printing by extending successive layers of additive material that adapts to the teeth of the patient already prepared or conditioned, said splints to be used as transfer tools for a fluid composite resin that is injected through holes (6) and subsequently photocured in the mouth over the teeth to shape a veneer thereover, two different splints being made for each patient and arch, a first splint to shape altemate teeth (D1, D3, D5, etc.) and a second splint to shape the remaining teeth (D2, D4, D6, etc.), both equipped with windows (4) that define cavities for the air between the splint and the teeth in order to allow the splint to be easily detached and removed.
Resumen de: US2025205011A1
Disclosed herein is method for designing a dental prosthesis and a positioning guide for placing the dental prosthesis on implants in the jaw while maintain proper occlusion. In particular the method relates to a method for designing the dental prosthesis and the positioning guide prior to implant placement. Accordingly, the disclosure relates to a method and a kit of components suited for one-day implant surgery thereby reducing the time the patient spend in the dentist chair.
Resumen de: US2025206035A1
The present invention provides a printing mechanism for a medical monitoring device and a medical monitoring device. The printing mechanism comprises a support plate, a L-shaped support arm rotatably disposed on the support plate at one end, the support arm provided with a printing head mounting portion at the other end, the printing head mounting portion provided with a printing head thereon, and a movable frame assembly movably disposed on the support plate and between the support plate and the support arm, the movable frame assembly comprising a frame, a rubber platen mounted at a front end of the frame adjacent to the outside of the medical monitoring device to be in contact with the printing head under pressure, a print paper drawer mounted on the frame, and a driving mechanism mounted on the frame to drive the rubber platen to rotate, wherein the frame is formed with a guide slot having a curved contour therein, and a guide pin extending from both sides of the printing head mounting portion is movably received in the respective guide slot to limit a relative position and a compression force between the printing head and the rubber platen. The printing mechanism for the medical monitoring device according to the present invention may ensure excellent printing quality and does not occupy too much space.
Resumen de: US2025205981A1
Systems for manufacturing objects are provided herein. In some embodiments, a system includes at least one sensor and at least one energy source configured to output energy. The system can further include a processor and a memory operably coupled to the processor and storing instructions that, when executed by the processor, cause the system to perform operations including receiving, from the at least one sensor, sensor data of an additively manufactured dental appliance having a plurality of appliance portions. The operations can further include determining, based on the sensor data, a location of a subset of the appliance portions on the additively manufactured dental appliance. The operations can further include applying the energy from the at least one energy source to the subset of the appliance portions so as to selectively modify one or more material properties of the subset of the appliance portions.
Resumen de: US2025205025A1
The present discloses a guide plate structure for injecting a flowable composite resin. The guide plate structure includes a rigid guide plate shell and a soft lining, a plurality of overflow holes are formed on the guide plate shell. The guide plate shell is provided with an injection channel used for injecting a flowable composite resin. A method for manufacturing a guide plate structure for injecting a flowable composite resin is further disclosed, including: S1, manufacturing a wax pattern model; S2, manufacturing a guide plate shell; S3, manufacturing a lining; S4, correcting an edge of the guide plate shell; and S5, cleaning a soft material in an injection channel on the guide plate shell. The present disclosure can resolve the problem of difficulties in placement and displacement of a guide plate when a resin is injected to restore an undercut of a tooth, and improve molding precision of the restoration.
Resumen de: US2025205017A1
Methods and apparatuses for increasing the effectiveness dental appliances in gripping and manipulating teeth. These methods and apparatuses may include one or more (e.g., a series of) dental appliances that may include a radial grip that improves the contact and allows the application of normal and friction forces between a patient's teeth and aligner without disrupting the fit of the overall aligner.
Resumen de: US2025207085A1
This disclosure relates to the field of 3D extrusion bioprinting, and in particular, to compositions of bioinks including components that are typically non-extrudable or present low printability. The present bioink comprises a rheology modifier, such as a partially crosslinked polyacrylic acid, a crosslinking polymer, and, optionally, one or more additives. The bioink provides for the use of synthetic crosslinking polymers as well as modified or unmodified biopolymers, and exhibits good printability.
Resumen de: US2025206865A1
A curable composition which has high curability and high transparency, while exhibiting good adhesion to various base materials, and which is used in both an aqueous system and an organic system and is applied to UV curing and/or thermal curing; a coating agent composition, a bonding agent composition, an adhesive composition, an ink composition, an aqueous ink composition, an ink composition for three-dimensional modeling, an aqueous coating material composition, a sealing agent composition, a nail cosmetic composition, a dental material and a decorative coating agent, each of which contains this curable composition; and cured products and molded articles of these materials. A curable composition contains: (A) a water-insoluble multifunctional (meth)acrylamide; and (B) a polymerizable compound other than the component (A).
Resumen de: WO2024134315A1
A modular system (1) insertable into a confined environment (20), such as, for example, a tank containing a fluid, comprising: a base unit (2) comprising a work surface (3) that is movable along a working plane; an upright structure (9) constrained to one side of the base unit (2) and extending away therefrom; a support head (10) for supporting a tool or an accessory; said upright structure (9) comprising in turn: - a guide means (11) for guiding the support head (10) along a direction (Z) transversal to the working plane; - a sliding means (14) for sliding the support head (10) along the guide means (11); - at least one motor (M) for the sliding means (14); - a box-like casing (15) provided with sealing gaskets for housing said motor (M), said modular system (1) further comprising at least one tubular body (21) for cables of the motor (M).
Nº publicación: WO2025131708A1 26/06/2025
Solicitante:
MUEHLBAUER TECH GMBH [DE]
M\u00DCHLBAUER TECHNOLOGY GMBH
Resumen de: WO2025131708A1
The invention relates to a radically polymerisable compound represented by a structure of formula 1: PG1-Sp1-OC(O)NH-K-NHC(O)O-Arn-OC(O)NH-K-NHC(O)O-Sp2-PG2 ( formula 1), and to a radically polymerisable composition, to the use of the radically polymerisable compound or the radically polymerisable composition for producing a polymerisable dental material and to a cured dental material.
BOPI
Sede Electrónica
