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147
resultados
Última actualización
14/08/2025 [07:11:00]
Resultados 125 a 147 de 147
Resumen de: US2025228652A1
A two-part denture and inlay for implanting within the jaw of an edentulous patient thereby restoring the aesthetics and ability of the patient to eat. The denture has a blade-like lower edge that fits into a corresponding groove in the upper surface of the inlay, in a friction-fit manner, so that the patient cannot easily remove the denture. However, using screws in threaded holes provided in the denture, the dental practitioner can disengage the denture from the inlay and replace the denture, when necessary. Also, a method of using the two-part denture and inlay is provided.
Resumen de: US2025222169A1
The present disclosure relates to a photoinitiator, a bioink including the same, and a method of manufacturing a hydrogel. According to the present disclosure, the photoinitiator of the present disclosure may have water solubility, high molar extinction coefficient, and low cytotoxicity. In addition, the method of manufacturing a hydrogel of the present disclosure may have high cell viability by increasing 3D printing efficiency due to a fast photo-curing rate.
Resumen de: JP2023143923A
To provide a photocurable composition which can yield a cured product with the suppressed formation of cracks and breaks and excellent handleability.SOLUTION: A photocurable composition includes a (meth)acrylic monomer component and a photopolymerization initiator, wherein the adhesive force of its cured product is less than or equal to 1.5 N, and the rupture elongation of the cured product is greater than or equal to 20%.SELECTED DRAWING: Figure 1
Resumen de: WO2023234310A1
This production method for a film preparation comprises: (1) a step for discharging a solution containing at least one pharmaceutical active ingredient from a print head to print the solution onto a soluble substrate film, the pharmaceutical active ingredient being printed onto the soluble substrate film so that the film includes a dose by which a desired effect is exhibited upon administration to a subject. The printed soluble substrate film can be formulated as a drug delivery system selected from a group including an injectable agent, a suppository, and a transdermal patch. The present invention also provides a production system for a film preparation, the system being for implementing the method.
Resumen de: EP4585184A2
The present invention relates to a system comprising an ordered set of removable dental appliances configured to reposition one or more teeth of a patient. Each removable dental appliance in the set of removable dental appliances comprises an appliance body configured to at least partially surround a plurality of teeth of a dental arch of a patient. The appliance body comprises a unitary material defining a shell shaped to receive at least one tooth of the patient and a spring member integrally formed with the shell, wherein the spring member is configured to receive an attachment. The attachment is configured to affix to the at least one tooth. The spring member is configured to apply a spring force to the attachment to cause at least one of a rotation, a translation, a tipping, a torqueing, an extrusion, or an intrusion of the at least one tooth toward a desired position of the tooth when the removable dental appliance is worn by the patient.
Resumen de: EP4585185A2
The present invention relates to a method comprising forming a model of dental anatomy of a patient; and forming, based on the model, a removable dental appliance. The dental appliance comprises an appliance body configured to at least partially surround a plurality of teeth of a dental arch of a patient. The appliance body comprisies a unitary material defining a shell shaped to receive at least one tooth of the patient and a spring member integrally formed with the shell. The spring member is configured to receive an attachment, wherein the attachment is configured to affix to the at least one tooth, and wherein the spring member is configured to apply a spring force to the attachment to cause at least one of a rotation, a translation, a tipping, a torqueing, an extrusion, or an intrusion of the at least one tooth toward a desired position of the tooth when the removable dental appliance is worn by the patient.
Resumen de: CN119855708A
A method of manufacturing a transfer device includes providing a physical physical model having a shape corresponding to a positive shape of a patient's dental arch and one or more stent assemblies each including a lifting mechanism body releasably connectable to an orthodontic appliance. A transfer device may be formed over the physical entity model, wherein a transfer denture represents a negative replica of at least a portion of the entity model. The transfer device may be used to place the appliance on a patient's dental arch, after which the appliance may be detached from the lifting mechanism body and bonded to the associated tooth.
Resumen de: CN223095603U
本实用新型涉及医用辅助器械，一种悬空设计的3D打印脑部穿刺导板，包括导板本体；导板本体包括与患者的骨性生理特征相适配的眉弓固定曲面和鼻根固定曲面，鼻根固定曲面由眉弓固定曲面的中段下侧朝下延伸形成，导板本体整体呈T型；导板本体还包括鼻头固定曲面和鼻侧悬伸曲面；鼻头固定曲面由鼻根固定曲面的下部朝下延伸形成，且能够包覆在患者鼻头上；鼻头固定曲面的一侧朝左/右延伸形成有鼻侧悬伸曲面；本实用新型通过眉弓固定曲面、鼻根固定曲面、鼻头固定曲面等进行多点固定，多点固定的形式使得整体的固定更加的稳定，相较传统的简单通过皮肤贴附固定的方式而言，不易产生位移，能够保证穿刺导向的精准性，防止体表组织移动造成的干扰。
Resumen de: AU2023293120A1
The disclosure is directed in part to polymerizable biocompatible or bioabsorbable compositions comprising styrene, N-vinylpyrrolidone or acrylate monomers, further comprising epoxide, urethane, polyether, or polyester oligomers and free radical initiators that can incorporate a radioactive source, including diagnostic or therapeutic radioisotopes and radioisotope precursors, to treat subjects with certain conditions, and methods of producing and use thereof.
Resumen de: JP7708266B1
【課題】本発明は、優れた印刷安定性を維持しつつ、インクの定着性（耐転写性）を向上させたインクジェットインクおよび当該インクジェットインクで印刷した印刷部を備える錠剤印刷物を提供することを目的とする。【解決手段】本実施形態に係るインクジェットインクは、可食性の染料と、粘着剤と、溶媒として水およびエタノールとを含み、前記粘着剤として液体状の粘着剤のみを含む。【選択図】なし
Resumen de: CN120307644A
本申请实施例适用于齿科技术及3D打印技术领域，提供了一种用于生成牙齿模型的方法、牙齿模型打印方法及设备，所述用于生成牙齿模型的方法包括：获取口腔扫描模型，所述口腔扫描模型包括扫描杆模型；确定与所述扫描杆模型匹配的接合装置模型；从所述口腔扫描模型移除所述扫描杆模型，并基于与所述扫描杆模型的位置匹配，添加所述接合装置模型，以生成牙齿模型。应用本方法，可以通过数字化方式获得患者口腔数据，进而根据匹配的接合装置模型生成牙齿模型，实现精确取模。在此基础上，本申请实施例可以采用3D打印技术打印获得相应的实体牙齿，降低人工装配带来的误差，保证打印得到的实体牙齿的精度。
Resumen de: CN120305453A
本发明公开了一种纳米纤维纱线3D打印复合支架的制备方法，所述制备方法包括以下步骤：S1：将纺丝所需聚合物和/或无机源溶于对应溶剂，得到纺丝前驱体溶液；S2：使用步骤S1所述的纺丝前驱体溶液采用纳米纤维纺纱设备进行纺纱，得到纳米纤维纱线；S3：利用3D打印技术打印得到聚合物框架；S4：将S2中所述的纳米纤维纱线在S3所述聚合物框架中进行编织，得到纳米纤维纱线3D打印复合支架。该制备方法制备得到的支架不仅具有3D打印的几何结构，还具有纳米纤维的高比表面积和生物活性，能够更好地模拟天然组织的微环境，可以克服传统支架的局限性，提供了更理想的组织工程支架。
Resumen de: CN120305460A
本发明提供一种仿天然角膜纤维排列的超低溶胀人工角膜及制备方法，属于生物医用材料技术领域，本发明将I型胶原蛋白溶解于PBS缓冲液中，加入光功能化修饰的活性试剂进行化学修饰，避光搅拌后冷冻干燥，得到光功能化胶原蛋白；将光功能化胶原蛋白溶解，然后通过静电纺丝制备胶原纤维膜；将生物墨水和胶原纤维膜进行相变DLP 3D生物打印，获得胶原纤维夹层结构的人工角膜。本发明通过DLP 3D生物打印实现多层排列，模拟天然角膜的纤维走向，显著提升力学各向异性；GelMA/HA‑DN与光交联胶原纤维的复合相变DLP 3D打印方式，使其具有良好的可制造性，维持高透光率，同时保持高力学强度。
Resumen de: CN120304980A
本发明涉及种植牙技术领域，具体而言，涉及一种锆铌合金种植件和锆铌合金种植件制作方法。该锆铌合金种植件包括种植体以及基台；种植体的外周配置有连接螺纹；种植体外表层为多孔骨小梁结构，多孔骨小梁结构采用三周期极小曲面结构，且其孔隙相互联通；种植体的外表面覆有锆铌合金金属陶瓷；种植体内部配置连接腔，连接腔内配置连接部；基台配置有用于与连接部可拆卸地连接的锥形连接台，基台在定量压力下压入种植体，在定量拉力下拔出基台。该锆铌合金种植件的种植体表面的多孔结构设计可促进骨组织长入，实现假体与人体骨骼界面的牢固整合，提高假体的稳定性和使用寿命，而且种植体与基台连接稳固，并能够降低金属过敏反应和金属伪影。
Resumen de: CN120304949A
本发明公开了一种基于3D打印的用于关节软骨快速配准的弹簧测针系统，涉及医疗成像与骨科手术导航技术领域。为了解决传统CT成像中软骨无法显影导致的关节配准精度不足的问题；本发明通过3D打印导板个性化定制，定位孔方便安装，弹簧测针组件可调节且数据监测实时，智能配准模块自动处理数据，减少人工操作，提高了手术效率，弹簧测针组件结构合理、弹力可调节，保障了系统在手术中的稳定运行，多体位CT扫描结合先进图像处理和配准技术，构建精确初始模型，弹簧测针组件采集数据结合弹性形变补偿模型实时修正配准误差，提升了配准准确性，为骨科手术导航提供了可靠支持，有助于提高手术成功率，减少患者创伤和手术风险。
Resumen de: WO2024120579A1
The invention relates to a 3D fat tissue structure for use as a breast implant for surgical, therapeutic, prophylactic or aesthetic reconstruction, construction or replacement of human breast tissue, wherein the 3D fat tissue structure has a matrix that is made of a biocompatible polymer and colonised with a plurality of biological cell types, wherein the colonisation with the plurality of cell types takes place during the construction of the matrix made of a biocompatible polymer, in the course of which a blood vessel structure network is formed within the 3D fat tissue structure, characterised in that, for the construction of the matrix made of a biocompatible polymer, light-based, structuring curing of a photopolymerisable or photocrosslinkable fluid is used. The invention also relates to the use of a 3D fat tissue structure as a breast implant in humans, wherein the 3D fat tissue structure has a matrix made of a biocompatible polymer, which is colonised with a plurality of cell types, wherein the colonisation with the plurality of cell types takes place during the construction of the matrix made of a biocompatible polymer, in the course of which a blood vessel structure network is formed within the 3D fat tissue structure, characterised in that, for the construction of the matrix made of a biocompatible polymer, light-based, structuring curing of a photopolymerisable or photocrosslinkable fluid is used.
Resumen de: CN120310468A
本发明公开了基于三重动态氢键的纳米甲壳素温敏自愈合水凝胶粘合剂及其制备方法与3D打印应用，涉及功能高分子复合材料技术领域，基于三重动态氢键的纳米甲壳素温敏自愈合水凝胶粘合剂，包括：草酸水解甲壳素纳米纤维，直径15‑40nm，长径比＞150，羧基含量0.6‑0.75mmol/g；聚乙烯醇，浓度10‑60wt％，醇解度88‑99％，聚合度1700±200；单宁酸，浓度1‑20wt％；其中，草酸水解甲壳素纳米纤维与聚乙烯醇的质量比为1:10，TA占水凝胶总质量的5‑20wt％。这项工作主要是以草酸水解的纳米甲壳素、单宁酸和PVA为主要介质，以强烈的氢键相互作用形成了具有一定内聚强度、粘附性好、可自愈合、可注射并且兼具温敏性的OTP胶粘剂。该胶粘剂制备方法简单高效，其良好的辅助伤口愈合性能可实现高效可控的3D打印。
Resumen de: CN120305040A
本发明公开了一种药物缓释型医用敷贴，包括聚氨酯薄膜，聚氨酯薄膜其中一面经过激光刻蚀处理，在聚氨酯薄膜上刻蚀出载药槽；药物负载于缓释骨架上，构成药物‑骨架负载结构，药物‑骨架负载结构负载于载药槽内。本发明医用敷贴中的药物负载于缓释骨架上，缓释骨架通过三维微纳打印制备得到，缓释骨架的形状根据载药槽的形状进行定制，使载药槽内缓释骨架的数量最大化，药物负载于缓释骨架上，从而载药槽内可以容纳更多的药物，提升医用敷贴的载药量，且药物‑骨架负载结构，可以起到良好的缓释效果，使用7天后仍具有释药能力，从而大大提高了医用敷贴的利用率和耐久性，避免了换药过程中的二次创伤，有利于创面修复。
Resumen de: WO2024076590A2
Embodiments of an adapter, a system including the adapter, and methods of using the adapter may be for mixing a first substance and a second substance. The adapter may include a body having a first port configured to connect with a first container to receive a first substance, a second port configured to connect with a second container to receive a second substance, a third port configured to connect with a recipient container to output a mixture of the first substance and the second substance, and a mixing chamber having a first portion in communication with the first port and the second port and a second portion in communication with the third port. The adapter may further include a mixing pin inserted into the mixing chamber. In some embodiments, the mixing pin at least partially defines at least one microfluidic path for mixing the first substance and the second substance. In some embodiments, at least one of the first channel and the second channel are oriented offset of a central plane of the body.
Resumen de: CN120304981A
本申请实施例适用于齿科技术及3D打印技术领域，提供了一种制造种植牙模的方法和3D打印系统，该方法包括：获取具有替代体接口的种植牙模模型；基于所述种植牙模模型，通过3D打印制造由树脂构成的种植牙模。其中，上述替代体接口可以包括螺纹状的连接结构。采用上述方法，可以解决包含替代体的牙模在与基台装配时存在的问题，降低装配难度，提高牙模与基台的装配精度。
Resumen de: CN223095648U
本实用新型公开一种牙颌模型，为由薄壁围合而成的底面开口的空心模型，包括牙颌部、与牙颌部一体成型的用于支撑牙颌部的底座部，以及设置在底座部内用于提升牙颌模型抗压强度的加强结构，薄壁包括唇颊侧壁和舌侧壁，加强结构横跨牙颌模型的空心部分设置，且加强结构的一端支撑在唇颊侧壁内表面的第一预设位置处，加强结构的另一端支撑在舌侧壁内表面的第二预设位置处；第一预设位置和第二预设位置对应于同一牙齿设置，第一预设位置和第二预设位置分别设置在至少对应于患者左右两侧尖牙至第二双尖牙的下方且与对应牙齿的牙龈线呈预设距离设置；其中，薄壁的厚度为0.5mm‑3mm，加强结构呈柱状，加强结构横截面的特征直径为0.5mm‑3mm。
Nº publicación: CN120306665A 15/07/2025
Solicitante:
奥可米技术有限公司
Resumen de: US2022016831A1
Apparatus and associated methods are provided for digitally controlled powder deposition. The apparatus comprises a supply chamber configured to maintain a reservoir of powder in a fluidised state, and one or more dispenser elements. The supply chamber is further configured to direct a flow of the fluidised powder from the reservoir to an orifice, causing it to be dispensed from the orifice.
BOPI
Sede Electrónica
