Resumen de: CN120531544A
本发明公开了一种基于3D打印的个性化骨骼夹板外固定装置及其制作方法,属于医疗器械技术领域。本发明包括固定主体及紧固件螺丝螺栓。所述固定主体可分为两部分,每部分纵向均设有四个调节部位。调节部位包括尼龙螺丝、尼龙螺母和底座,尼龙螺丝贯穿上下两夹板的底座连接螺母,通过旋转螺母调节夹板的松紧。所述外固定手臂夹板主体呈多边形不规则镂空状,保证了其具有较好的透气性。所述外固定手臂夹板由3D scanner扫描建模并测量具体数据,利用熔融沉积型3D打印机制成。其中3D打印机参数设置如下:控制打印喷头温度为190~220℃,打印底板温度为20~50℃,打印速度为20~40mm/s,冷却风扇转速为2000~2500rpm。打印机所使用的线材由超高分子量聚乙烯通过单螺杆挤出机制成。采用超高分子量聚乙烯保证了所述外夹板具有较高的抗冲击性能,固定效果好,有利于患者部位的稳定愈合。
Resumen de: CN120536767A
本发明公开了一种耐蚀高超弹性增材制造镍钛合金及其制备方法与应用。所述制备方法包括增材制造成型、前处理、表面处理三个步骤。本发明采用纳秒脉冲激光重熔的方法,利用特定范围内参数优化了增材制造镍钛合金表面质量,通过纳秒脉冲激光重熔工艺的精确热物理调控,重熔层形成了细小均匀的等轴晶粒结构,而基层则保留柱状晶粒,提高了整体超弹性效应;并促使其在腐蚀过程中形成稳定的钝化膜,有效抑制基体镍释放,提高了其耐蚀性。本发明所述制备方法具有精确可控、加工效率高和适用性广的优点,适宜推广应用。
Resumen de: AU2023365980A1
A melt electrowritten soft tissue scaffold, comprising: a first region having one or more sets of fibres and a second region having one or more sets of fibres; and an interface region joining the first region and the second region, the interface region being electrowritten along with the first and second regions in a continuous printing path, such that fibres in the interface region each join between a respective pair of fibres in the first and second regions.
Resumen de: EP4537787A2
Strategies that reduce shrinkage and ultimately warping of parts that are directly fabricated from photopolymer resins. This increases the accuracy of directly fabricated parts, which is essential for patient specific applications. Implementing these strategies can reduce the need for directly fabricated parts to have supporting structures, which can reduce pre-processing and post-processing steps and facilitate an easier route for production level scale of additive manufacturing.
Resumen de: CN120531488A
本申请提供一种基于多模态神经网络的口腔3D建模打印方法及系统,属于口腔医学技术领域,首先基于图像传感器获取目标视频,将目标视频输入训练好的第一神经网络模型,基于第一神经网络模型的输出结果,确定强磨合区域数据,最后,获取初始模型数据,将初始模型数据与强磨合数据输入训练好的第二神经网络模型,基于第二神经网络模型的输出结果,确定目标建模数据。本申请实施例提出的一种基于多模态神经网络的口腔3D建模打印方法及系统,通过动态视频中运动数据驱动3D打印模型的咬合面形态设计,在正畸治疗的过程中预判组织变化,用历史病例训练预测网络,较人工测试咬合更精准,通过预测高磨损区域并提前增材设计降低牙冠碎裂或种植体松动率。
Resumen de: US2024285522A1
The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having at least one coating made at least in part using printing technologies to provide drug storage and drug release structures, notably for hydrophobic drugs and that such hydrophobic drugs can be stabilized as to hydrolysis, heat, and a combination thereof. A first aspect of the present invention includes a packaged medical device that includes at least one drug delivery contact lens. A second aspect of the present invention includes a drug delivery contact lens. A third aspect of the present invention includes a method of making a drug delivery contact lens. A fourth aspect of the present invention includes an ink. A fifth aspect of the present invention includes a method of using a drug delivery contact lens to treat or prevent a disease, disorder, or condition of the eye.
Resumen de: CN120531540A
本发明涉及一种熔融沉积3D打印的医疗支具,用于医疗的器具,它公开了在医疗支具的全封闭的镂空区域、半封闭的镂空区域、底座承托的镂空区域内都填充有支撑薄片,使医疗支具与支撑薄片一体成形,在医疗支具的非镂空区域阵列设置有水滴形状的通孔。本发明的优点是它能满足医疗支具3D打印支撑需求的同时,后期拆除容易,而且支撑薄片拆除对支具表面质量影响小,确保复杂结构的医疗支具与支撑薄片一体成型,使医疗支具内外表面及整体曲面造型质量更加高。
Resumen de: CN120531531A
本发明公开了一种数字化和柔性压力传感器结合的大腿假肢接受腔优化制造方法。大腿残肢物理模型的数字化重建;对重建后的残肢构面数字模型空间标定和尺寸校准处理;对空间标定和尺寸校准后的残肢构面数字模型稀疏化处理并进行编辑和优化;将稀疏点云数字模型和帽檐、坐托的数字点云模型进行拼接成大腿假肢数字模型;设置柔性压力传感器压力分析调整局部片段厚度,生成外层表面形成双面稀疏点云的假肢接受腔数字模型,最后转换进行3D打印。本发明利用柔性传感单元与数字化皮肤上的点云单元相对应,进行静态和动态下肌肉受力的实时变化评估,能够在再次检查时能够快速适应患者的生理变化,提供更为个性化和及时的康复解决方案。
Resumen de: CN120535735A
本发明公开了一种用于后巩膜加固的光敏树脂及其制备方法与应用。其制备方法包括以下步骤:将碳酸乙烯酯与异佛尔酮二胺混合反应生成非异氰酸酯聚氨酯;向非异氰酸酯聚氨酯加入己内酯,反应得到聚己内酯基聚氨酯二醇;在聚己内酯聚氨酯二醇溶液中添加三乙胺,再添加甲基丙烯酸酐进行反应,纯化,得到聚己内酯基聚氨酯光敏树脂。制得的聚己内酯基聚氨酯光敏树脂具有良好的生物相容性和力学性能,应用于后巩膜加压手术中,对后巩膜加压效果良好,OCT结果显示出现明显加压嵴。
Resumen de: CN223263037U
本实用新型涉及扫描仪技术领域,具体为一种义齿3D扫描仪,包括底座、固定架、放置台、安装架和扫描装置;固定架连接底座上端,安装架连接固定架,安装架设有滑轨,扫描装置滑动连接滑轨,扫描装置上设有限位组件,限位组件与安装架配合连接;底座转动设有用于调节放置台高度的升降机构,底座设有驱动机构传动连接升降机构,底座设有用于夹持义齿的夹持机构,夹持机构位于放置台的两端。本实用新型中通过转动的放置台和夹持机构使义齿可以全方面扫描,不需要多次调节提高扫描效率。
Resumen de: AU2025203084A1
Embodiments herein relate to an implant for insertion into a patient. The implant comprises a plurality of unit cells arranged to form a three-dimensional lattice structure, the three-dimensional structure comprising a resting volume of the implant. The plurality of unit cells are arranged to form a porous network of the three-dimensional structure, and wherein the three-dimensional structure is a reversibly compressible three-dimensional structure, wherein a bulk porosity of the three-dimensional structure (101) of the implant is at least 50 %.
Resumen de: AU2023375461A1
Compositions and methods for delivery of therapeutic agents to an individual in need thereof, for prevention/reduction of tissue adhesion, and for 3D printing are disclosed herein. In some embodiments, the composition comprises octadecyl modified hydroxypropyl methylcellulose (HPMC-C18) and a surfactant or cyclic polysaccharide, wherein the composition is a hydrogel that exhibits dynamic properties.
Resumen de: CN120531507A
本发明公开了一种牙周辅助加速正畸手术专用导板,该专用导板包括颊侧就位导板和合面就位导板、以及位于颊侧就位导板上的多个导向管,颊侧就位导板上设置有一体成型的定位销且合面就位导板上设置有一体成型的定位槽,合面就位导板套置在上颌和/或下颌的牙列上,与合面就位导板配套的颊侧就位导板上的定位销插入对应的定位槽内;所述的导向管位于牙列唇侧、牙龈软组织的外侧且排列在每个牙位的近中邻面和远中邻面处,导向管限定了支抗钉手柄工作头部的钻入位置、钻入方向和钻入深度。本发明导板使用后的创口为针状大小,患者不易出现术后水肿、强烈的炎症反应以及牙根吸收等情况,安全性强、操作方便、定位精准、费用便宜,适用于大多数正畸病例。
Resumen de: CN120534078A
本发明提供联结部件、流道连接机构和喷墨记录装置。联结部件包括:阀箱体;以及中空可动阀,配置在阀箱体的径向内侧,相对于阀箱体可在轴向上移位,通过在联结部件和其他联结部件被连接的连接状态时和连接被解除的连接解除状态时使中空可动阀相对于阀箱体的轴向的位置移位,从而中空可动阀在连接状态时使液体流通,而在连接解除状态时限制液体的流通,在连接状态时,在径向上的中空可动阀的预定部分与阀箱体之间产生间隙,中空可动阀具有在径向上贯通预定部分的流通口。
Resumen de: KR20250126206A
본 발명은 젤라틴과 글리콜 키토산을 아세트산에 첨가하고 교반한 후, 1% 내지 4%(w/w)의 ZnTA 분말을 상기 젤라틴/글리콜 키토산 폴리머에 첨가하는 단계를 포함하는 3차원 인쇄 가능한 아연 및 탄닌산 삽입된 젤라틴 글리콜 키토산 하이드로겔을 제조하는 방법, 그 방법에 의하여 제조된 하이드로겔 및 그 용도에 관한 것이다. 본 발명의 GC/ZT 스캐폴드는 박테리아 감염과 상처 치유를 극복하기 위한 임상 적용을 위한 좋은 후보가 될 수 있다.
Resumen de: CN120514917A
本发明涉及基于埃洛石纳米管的载药海藻酸钠水凝胶抗菌支架、制备方法及其应用,属于材料合成和生物医药技术领域。所述支架是由载药埃洛石纳米管、海藻酸钠和甲基纤维素混合依次经3D打印、交联后得到的具有一定孔隙率和孔径结构的支架,载药埃洛石纳米管包埋在海藻酸钠/甲基纤维素水凝胶,载药埃洛石纳米管是由聚乙烯亚胺修饰的埃洛石纳米管与带负电的广谱抗菌剂混合得到的。该支架兼具降解速率可控和生物相容性特点,适用于骨髓炎清创后的局部抗感染与骨再生治疗。
Resumen de: CN120514920A
本发明公开了一种负载镁锰掺杂空位氧化铋的生物墨水及其制备方法、生物打印支架和应用,该生物墨水包括以下质量体积百分比(mg/mL)的组分:5%~15%的苯硼酸接枝甲基丙烯酰化明胶、1%~10%的聚乙烯醇、0.15%~0.3%的苯基(2,4,6‑三甲基苯甲酰基)磷酸锂、0.01%~1%的负载镁锰掺杂空位氧化铋,该生物墨水通过3D打印制备生物打印支架。本发明利用苯硼酸接枝甲基丙烯酰化明胶和聚乙烯醇为基础生物墨水材料,同时负载镁锰掺杂空位氧化铋,由其制备的生物打印支架具有良好的生物学功能,可以作为老年性骨缺损修复的骨植入物,具有重要的临床应用价值。
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: CN120514526A
本发明提供了一种基于3D打印技术的颈部理疗护具,属于医疗器械领域,所述护具由如下的部件组成:后颈托壳体、护具内衬、双震动马达、温控加热装置以及操作控制模块。所述后颈托壳体选用PLA可降解线材,创新性地融合3D打印技术与按摩理疗功能,为颈部健康护理带来全新解决方案。护具整体通过3D打印成型,能够依据个体颈部的精准扫颈部理疗护具则提升与皮肤接触的舒适度,并适应颈部日常活动。本颈部理疗护具在颈部保健、慢性颈部疾病辅助治疗以及颈部疲劳缓解等方面具有显著优势,为用户提供便捷、高效、个性化的颈部护理服务,具有广阔的市场应用前景。
Resumen de: WO2024172411A1
The purpose of the present disclosure is to provide a patient-customized helmet and a control method therefor, the helmet enabling the injection of an ultrasound contrast agent (e.g., microbubbles) into blood vessels of a patient and the radiation of ultrasonic waves into the brain by means of an ultrasound module to open the blood-brain barrier and deliver a brain disease therapeutic agent to the affected area.
Resumen de: WO2024133585A1
The present invention provides a nebuliser (100) comprising one or more inputs (110), and a plurality of droplet ejectors (126) in fluid communication with the one or more inputs (110). Each droplet ejector comprises a nozzle portion and a piezoelectric actuator. The one or more inputs are for receiving one or more liquids. Each nozzle portion defines a nozzle outlet in fluid communication with the one or more inputs. Each piezoelectric actuator is operable to cause ejection of a liquid received by one of the one or more inputs through the respective nozzle outlet as one or more droplets to thereby generate an aerosol comprising the one or more droplets ejected by each droplet ejector.
Resumen de: AU2024218051A1
The present invention provides a curable composition for three-dimensional stereolithography, the curable composition being used in a vat photopolymerization method and containing 100 parts by mass of a polymerizable monomer component (A), 40 parts by mass to 400 parts by mass of an inorganic filler (B) that is composed of a single kind or plural kinds of inorganic particulate matter, and 0.01 part by mass to 5 parts by mass of a photopolymerization initiator (C), wherein: 80% or more of all primary particles that constitute the inorganic filler (B) have a particle diameter of 0.05 µm to 5.0 µm; and a sample, which is formed of this curable composition for three-dimensional stereolithography and has a thickness of 0.5 mm, has a transmittance of 1.00% to 50.00% with respect to activation light. The present invention also provides a method for producing this curable composition for three-dimensional stereolithography. The present invention also provides a method for producing a three-dimensional stereolithographic model and a method for producing a dental restoration, each using this curable composition for three-dimensional stereolithography.
Resumen de: US2025265713A1
A method includes receiving a digital representation of an orthodontic aligner, analyzing the digital representation of the orthodontic aligner to identify a quality-related property of the orthodontic aligner, determining, based on the quality-related property, that the orthodontic aligner comprises a manufacturing flaw, and causing the orthodontic aligner to be remanufactured responsive to determining that the orthodontic aligner comprises the manufacturing flaw. Analyzing the digital representation includes comparing the digital representation of the orthodontic aligner with data based on a digital model of a dental arch associated with a stage of treatment to be performed using the orthodontic aligner, and calculating one or more differences between a feature determined from the data and a feature of the digital representation of the orthodontic aligner.
Resumen de: US2025262164A1
The present disclosure, in some aspects, is directed to methods of designing an oral drug dosage form formulated and configured to have a desired pharmacokinetic profile. In other aspects, the present disclosure is directed to oral drug dosage forms having a desired pharmacokinetic profile, and methods of making, such as three-dimensional printing, such oral drug dosage forms.
Nº publicación: US2025262351A1 21/08/2025
Solicitante:
THE TRUSTEES OF INDIANA UNIV [US]
The Trustees of Indiana University
Resumen de: US2025262351A1
A composition comprising decellularized extracellular matrices, hydrogels comprising the same, and methods of making the same are disclosed.