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DEVICE FOR PRODUCING THREE-DIMENSIONAL SCREEN PRINTING WORKPIECES

Resumen de: EP4599816A1

Vorrichtung zur Herstellung von dreidimensionalen Siebdruckwerkstücken, insbesondere 3D-Siebdruckanlage, mit einer ein Drucksieb aufweisenden Druckeinrichtung für die schichtweise Erzeugung zumindest eines Siebdruckwerkstücks in mehreren Druckvorgängen und mit einer Dosiereinrichtung zur dosierten Ausgabe einer pastösen Druckmasse auf das Drucksieb, wobei die Dosiereinrichtung wenigstens einen Behälter zur Aufbewahrung der pastösen Druckmasse, eine Ausgabevorrichtung zur Ausgabe der Druckmasse auf das Drucksieb und eine zwischen dem Behälter und der Ausgabevorrichtung verlaufende Zuführleitung zur Zuführung der Druckmasse aus dem Behälter bis zur Ausgabevorrichtung aufweist.

印刷物を作成するシステムおよび方法

Resumen de: JP2023118129A

To provide a system and method for forming a product with different size particles.SOLUTION: A system for forming a product with different size particles includes at least one print head region and at least one processor. The at least one print head region is configured to retain: a first group of print heads 106 configurable to additively print at least a first portion of a product with a first material having a first average particle size; and a second group of print heads 106 configurable to additively print at least a second portion of the product with a second material having a second average particle size. The at least one processor is configured to receive information reflective of desired properties of the product and regulate the first group of print heads 106 and the second group of print heads 106 to unevenly distribute the first material and the second material in a layer-by-layer basis to impart differing structural characteristics to differing portions of the product based on the information reflective of the desired properties of the product.SELECTED DRAWING: Figure 1

METHODS AND ADAPTERS FOR MIXING PHARMACEUTICAL COMPLEXES

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.

光造形用樹脂組成物

Resumen de: US2023096105A1

The present invention provides a resin composition for stereolithography that is easily shapable with good shape precision while reducing sedimentation of inorganic particles during storage, and a obtained three-dimensional shaped article thereby excels in mechanical characteristics such as flexural strength and flexural modulus, in addition to having a desirable shade and good shade stability. The present invention relates to a resin composition for stereolithography comprising a polymerizable monomer (a), a photopolymerization initiator (b), an inorganic particle (c) having an average particle diameter of 5 to 500 nm, and a hindered phenolic compound (d), wherein the content of the photopolymerization initiator (b) is 0.1 to 10 parts by mass relative to 100 parts by mass of the polymerizable monomer (a), the content of the inorganic particle (c) is 50 to 400 parts by mass relative to 100 parts by mass of the polymerizable monomer (a), and the content of the hindered phenolic compound (d) is 0.1 to 500 parts by mass relative to 100 parts by mass of the photopolymerization initiator (b).

DEVICE FOR PRODUCING THREE-DIMENSIONAL SCREEN PRINTING WORKPIECES

Resumen de: EP4600019A1

Vorrichtung zur Herstellung von dreidimensionalen Siebdruckwerkstücken, insbesondere 3D-Siebdruckanlage, mit einem Drucksieb und mit einer Rakelvorrichtung zum Fluten des Drucksiebs mit einer Druckmasse und/oder zum Pressen von Druckmasse durch das Drucksieb, wobei die Rakelvorrichtung wenigstens ein Rakelwerkzeug, eine Sensoreinrichtung zur Erfassung von auf das Rakelwerkzeug wirkenden Rakelkräften sowie eine Steuereinrichtung zur Auswertung und/oder Speicherung von Sensordaten der Sensoreinrichtung aufweist, wobei die Steuereinrichtung dazu ausgebildet ist, mittels der Sensoreinrichtung und/oder aus erfassten und/oder abgespeicherten Sensordaten der Sensoreinrichtung eine Siebrückstellkraft und/oder Siebspannung des Drucksiebs zu ermitteln

Acellular matrix woven material, preparation method and application thereof

Resumen de: US12383654B1

An acellular matrix woven material, a preparation method and an application thereof are provided. The acellular matrix woven material is prepared by combining 3D printing with weaving. At the same time, also provided are the acellular matrix woven material prepared by the preparation method and its application in preparing tissue engineering scaffold materials.

一种腭侧固位骨膜下种植体支架及制作方法

Resumen de: CN120458755A

本发明公开了一种腭侧固位骨膜下种植体支架及制作方法，种植体支架包括腭侧连接板，腭侧连接板上一侧设有螺钉孔，螺钉孔内设有固定于腭侧的螺钉，腭侧连接板上另一侧设有多个种植基台；唇颊侧连接板通过扫描数据重建患者完整颌骨结构，提取唇颊侧骨面轮廓，在三维模型中设计唇颊侧连接板的轮廓线后得到基础支架模型，然后通过三维有限元分析，对种植基台的布局结合应力分布结果以及唇颊侧的螺钉孔位进行优化，然后采用拓扑优化方法，并通过3D打印制造得到种植体支架。本发明兼具良好的力学稳定性与生物适应性，腭侧进路微创隐蔽，尤为适用于美学区及复杂骨缺损病例的修复需求。

一种基于仿生学原理的3D打印全踝关节假体

Resumen de: CN120458785A

本发明涉及医疗器械技术领域，具体地说是一种基于仿生学原理的3D打印全踝关节假体。包括仿生脚、仿生小腿和仿生大腿，所述仿生小腿活动安装在仿生脚的外侧表面，所述仿生小腿和仿生大腿的外侧表面设置有散热机构，所述仿生大腿通过散热机构与仿生小腿构成活动连接，所述仿生大腿的内腔中设置有自适应贴合机构。本申请可以通过双面齿框啮合连接的带轴齿轮转动，带动与带轴齿轮啮合连接的半面卡尺向内滑动，通过拉杆拉动弧夹板向内进行夹持，压杆会压动第二气囊通过第二伸缩软管向弧气囊的内部进行充气，能够贴合不同大小和形状的肢体，弹力尼龙套保证了贴合时的舒适性和透气性。

一种具有电磁响应骨修复多孔组织工程支架及其制备方法和应用

Resumen de: CN120459383A

本发明公开了一种具有电磁响应骨修复多孔组织工程支架及其制备方法和应用，属于医用材料领域。本发明通过将超顺磁性纳米颗粒均匀嵌入到高分子仿生多孔支架，结合3D打印技术，构建兼具宏观力学强度与微观生物活性的分级多孔支架。利用多孔结构模拟骨细胞外基质，优化骨整合效率。同时结合支架的电磁响应特性，通过外加电磁场动态调控，诱导间充质干细胞的成骨分化并加速血管生成，通过跨学科技术融合，为临床难治性骨缺损提供一种兼具力学适配性、生物活性及智能响应性的新一代修复支架，从而实现“材料‑细胞‑微环境”三重协同修复机制。

一种唇颊侧固位骨膜下种植体支架及制作方法

Resumen de: CN120458756A

本发明公开了一种唇颊侧固位骨膜下种植体支架及制作方法，种植体支架包括唇颊侧连接板，唇颊侧连接板上一侧设有螺钉孔，螺钉孔内设有固定于唇颊侧的螺钉，唇颊侧连接板上另一侧为弯钩结构，弯钩结构的凸起位置设有多个种植基台；唇颊侧连接板通过扫描数据重建患者完整颌骨结构，提取唇颊侧骨面轮廓，在三维模型中设计唇颊侧连接板的轮廓线后得到基础支架模型，然后通过三维有限元分析，对种植基台的布局结合应力分布结果以及唇颊侧的螺钉孔位进行优化，然后采用拓扑优化方法，并通过3D打印制造得到种植体支架。本发明在保证刚度和耐用性的同时，整体结构更加轻便，使用的螺钉数量更少，显著提高支架的使用寿命，减少压力性损伤的风险。

一种挤出和喷墨复合的3D打印方法

Resumen de: CN120461813A

本发明公开了一种挤出和喷墨复合的3D打印方法。本发明通过挤出‑喷墨复合3D打印技术，以单液滴作为基本沉积单元，逐层堆积融合形成二维/三维高精度复杂结构。本发明实现了多种其他方法难以实现的高精度复杂结构打印，打印的二维复杂结构最小特征尺寸约50μm，三维复杂结构最小特征尺寸约80μm，并通过载细胞打印实现了体外跨尺度分级二维/三维血管网络的构建；且本发明所提供的方法可以实现高精度复杂三维结构的单步成型，避免了工艺切换带来的重复定位误差和二次加工，为解决复杂异质体外组织模型和复杂精细三维结构的制造难题提供了一种便捷有效的制造技术思路。

一种双层夜磨牙口垫及其制备方法

Resumen de: CN120458813A

本发明提供了一种双层夜磨牙口垫及其制备方法，属于医疗器械领域。本发明提供了一种双层夜磨牙口垫，由中空的GC软衬层和中空的PEEK硬质层组成，所述GC软衬层的外表面与PEEK硬质层的内表面相接触。本发明双层夜磨牙口垫的内层采用柔性生物相容材料—GC软衬层贴合牙列及软组织，极大减轻压迫感和异物感，适宜长时间佩戴，显著提升患者依从性；外层选用高强度、耐磨的PEEK，具备优异的抗咬合磨损能力和结构稳定性，特别适用于中重度夜磨牙患者的长期使用。

마이크로매니퓰레이터로서 사용하기 위한 도구 및 도구를 제조하기 위한 방법

Resumen de: WO2024120583A1

The invention relates to a tool for use as a micromanipulator and to a method for producing the tool. The tool consists of a plurality of parts in the form of - a frame (1) which is oriented along a longitudinal axis (L) and which is arranged as a hollow body around an interior, - at least one manipulator element (2) arranged on a first end face (1.1) of the frame (1), and - at least one actuation element (3) which is arranged on a second end face (1.2) opposite the first end face (1.1) and which is mounted slidably and axially movably in the interior of the frame (1), said parts being connected interlockingly and movably to one another by means of necessary connecting and bearing elements, and the tool being entirely generated by additive manufacture, including all the necessary gaps between the parts movably connected to one another. According to the method, the tool with all its parts and with the gaps between the movable parts is manufactured entirely by additive manufacture in one processing operation.

托槽定位导板及其设计方法和制备方法

Resumen de: CN120436817A

本申请的实施方式提供一种托槽定位导板及其设计方法和制备方法，其中，托槽定位导板用于将托槽安装在牙齿表面，具体包括第一定位导板，所述第一定位导板具有沿水平方向设置的第一定位部和与第一定位部唇颊/舌腭侧端连接并沿龈颌方向设置的第二定位部，第二定位部包括第一定位滑槽，所述第一定位滑槽具有在近远中方向的第一开口，托槽可通过第一开口进入第一定位滑槽；装配时，托槽颈部沿所述第一定位滑槽滑动并卡持在第一预定位置处，其中，在所述第一预定位置处托槽底板朝向牙齿表面，所述托槽定位导板佩戴在所述对应牙齿上时，所述第一预定位置处满足所述托槽底板与对应牙齿表面具有填充粘接剂的预留间隙。

一种整形外科可植入可指导软骨塑形的3D打印耳支架

Resumen de: CN120436842A

本发明关于一种整形外科可植入可指导软骨塑形的3D打印耳支架，涉及3D打印技术领域。包括支架本体，支架本体上设有缺口，支架本体边缘设有边缘突出部，支架本体的一侧设有反求过来的耳廓部；支架本体的下部向上回折形成钩状部。本发明能够实现高精度的耳部重建，为耳部缺损或畸形的患者提供一种创新、安全且效果优异的修复手段。

一种基于3D打印技术的口腔靶向复合凝胶制备方法

Resumen de: CN120436978A

本发明涉及3D打印技术技术领域，具体为一种基于3D打印技术的口腔靶向复合凝胶制备方法，包括低温3D打印设备，低温3D打印设备包括双通道低温挤出喷头、五轴联动运动平台和惰性环境舱；双通道低温挤出喷头包括通道一和通道二，通道一包括益生菌微囊和温敏凝胶，温度为4‑10℃，黏度为3×10³mPa·s，通道二包括白桦多肽/茶多酚光交联预聚体，含0.5%LAP光引发剂；五轴联动运动平台：打印精度±10μm，支持舌背曲面贴合，曲率半径≥2mm；惰性环境舱：氧浓度≤0.5%，温度4‑10℃，湿度30‑40%；有益效果：高活性保留与稳定性：通过惰性环境舱（氧浓度≤0.5%）与低温打印（4‑10℃），益生菌存活率提升至打印后98%，6个月储存后仍≥85%；白桦多肽降解率≤3%，显著优于传统工艺。

3D Method for Manufacturing Prosthetic Sockets Using Photogrammetry-Based Reverse Engineering and 3D Printing Technology

Resumen de: KR102844656B1

본 발명은, 제작자와 환자의 대면이 어려운 상황에서도 정확한 의지 소켓을 제작할 수 있도록, 사진측량 기반 역설계 기법 및 3D 프린팅 기술을 활용한 의지 소켓 제작 방법을 제안한다. 상기 의지 소켓 제작 방법은 환자의 잔여지를 여러 각도에서 여러 번 촬영하여 사진측량 기술로 3D 디지털 모델을 획득하는 단계; 획득된 3D 디지털 모델을 기반으로 네거티브 몰드를 디자인하여 3D 프린터로 출력하고, 출력된 네거티브 몰드를 이용하여 신체 모형을 제작하는 단계; 제작된 신체 모형을 기반으로 포지티브 석고 몰드를 제작하는 단계; 포지티브 석고 몰드를 사용하여 수지(resin)로 의지 소켓을 진공 성형하는 단계; 및 진공 성형된 의지 소켓에 현가장치를 설치하는 단계를 포함한다.

一种牙周辅助加速成骨正畸治疗的手术导板及其制作方法

Resumen de: CN120436725A

本发明公开了一种牙周辅助加速成骨正畸治疗的手术导板及其制作方法，包括：根据全口牙列牙根三维数据在填倒凹后的牙列数据上设计覆盖所有目标牙及其相邻牙齿的牙冠表面的固位结构模型；在颌骨三维数据的颊侧骨面上分别设计与固位结构模型连接的第一定位结构模型和第二定位结构模型；根据全口牙列牙根三维数据在第一定位结构模型上设计线状开口区域，得到骨皮质切开线定位结构模型，并得到骨皮质切开限位导板数据和骨增量限位导板数据；基于骨皮质切开限位导板数据和骨增量限位导板数据分别进行打印，得到骨皮质切开限位导板和骨增量限位导板。本发明能够提高手术区域的定位准确度，降低手术难度。

一种桡骨远端骨折的3D打印个性化夹板及其制作方法

Resumen de: CN120436861A

本发明公开了一种桡骨远端骨折的3D打印个性化夹板及其制作方法，包括：背侧板、掌侧板、尺侧板和桡侧板，背侧板、掌侧板、尺侧板和桡侧板均为曲面形夹板，曲面的方向与桡骨形状契合；每个夹板的宽度从手腕向手肘方向逐渐增大；每个夹板的两侧均设置边缘减薄结构；每个夹板的上表面相应位置上设有多对加强筋，在每对加强筋上设有绑带限位卡扣，每对加强筋中的两加强筋之间且位于绑带限位卡扣的正下方处设有绑带下陷平台；背侧板对应位置设置有防尺侧压疮凹陷、防背侧碰撞凹陷和第一防桡侧压疮凹陷；掌侧板对应位置设置有防掌侧肌肉压迫切面；桡侧板对应位置设置有第二防桡侧压疮凹陷。本发明针对患者的个体化差异，制作出满足要求的个性化夹板。

一种仿生软骨膜-软骨及其一体化的构建方法和应用

Resumen de: CN120437373A

本发明涉及一种仿生软骨膜‑软骨及其一体化的构建方法和应用，涉及复合生物材料领域。包括如下步骤：(1)将功能性分子和聚己内酯在第一溶剂中共混，得到第一混合溶液；将所述第一混合溶液通过静电纺丝技术，构建功能性的取向纳米纤维膜；(2)采用3D打印技术，在所述功能性的取向纳米纤维膜上进行工程软骨的仿生3D打印，得到第一部分待交联的仿生软骨膜‑软骨；(3)重复步骤(2)的步骤，得到第二部分待交联的仿生软骨膜‑软骨；将两部分依次进行对合、交联反应，得到仿生软骨膜‑软骨。本发明实现了软骨膜‑软骨的仿生一体化构建，并增加其力学强度。

固体薬剤投与形態の製造のためのプロセス

Resumen de: CN120051272A

The present invention relates to a process for preparing a solid pharmaceutical administration form comprising an amorphous solid dispersion using a 3D printing process. The process is a printing process which allows the production of solid administration forms of a solid drug comprising an amorphous solid dispersion in a simple and flexible manner and makes it possible to obtain rapidly disintegrating dosage forms with high drug loading.

신경 도관

Resumen de: AU2023361612A1

The invention relates to nerve conduits for connecting a lesioned nerve end to a target site. In particular, the invention relates to nerve conduits supporting repair of a nerve lesion and motor control and/or reducing risk of the development of a neuroma at the lesioned nerve end. Accordingly, a nerve conduit (10) for connecting a lesioned nerve end (26) to a target site (28) is suggested, comprising an elongate body (12) formed by a wall (22) and comprising a central portion (14) defining an inner cavity (16) and end portions (18, 19) defining a respective opening (20, 20') to the inner cavity (16) and arranged adjacent to the central portion (14) and at longitudinally opposing ends of the elongate body (12). One end portion (18) is configured as an insertion portion configured for inserting a respective nerve end (26). According to the invention, the other end portion is configured as a nerve end outlet portion (19), wherein an outer diameter of the wall defining the outlet portion (19) is larger than an outer diameter of the wall defining the central portion (14).

A BIOACTIVE POLY(LACTIC-CO-GLYCOLIC ACID) (PLGA) MATERIAL COMPRISING PROTRUSIONS, RELATED PRINTED STRUCTURE AND RELATED METHODS THEREOF

Resumen de: WO2025165300A1

There is provided material for preventing or reducing scar formation during wound healing, the material comprising: (i) a base poly(lactic-co-glycolic acid) (PLGA); and (ii) a bioactive poly(lactic-co-glycolic acid) (PLGA) copolymer, wherein at least part of the material is in the form of a plurality of protrusions extending from a surface. Also provided are a medical device comprising said material, medical uses of said material, and a method of preparing said material.

CERAMIC INKJET INK COMPOSITIONS FOR PRINTING ON DENTAL RESTORATIONS

Resumen de: WO2025166254A1

A method for manufacturing a ceramic inkjet ink for printing on a dental material substrate includes processing solid particle components to a particle size from 0.8 to 1 μm, at a particle size distribution of D98 and adding an effective amount of additives to the solid particle components to produce the ink capable of being dispensed from an inkjet printhead onto a surface of a 3-dimensional dental material substrate having an irregular shape and uneven surfaces, while the 3-dimensional dental material substrate is simultaneously translated and rotated under the inkjet printhead.

SYSTEM AND METHOD FOR CERAMIC INKJET MESH PRINTING

Nº publicación: WO2025166116A1 07/08/2025

Solicitante:

ZIMA INT INC D/B/A DANDY [US]
ZIMA INTERNATIONAL, INC. D/B/A DANDY

Resumen de: WO2025166116A1

Disclosed are systems and methods for a computerized framework for automated ceramic inkjet printing in dental restoration manufacturing. The disclosed ceramic inkjet mesh printing for dental restorations combines precision digital control with ceramic materials to create highly accurate and aesthetically pleasing dental prosthetics. The disclosed mechanisms utilize specialized printheads designed to deposit precise amounts of ceramic materials onto dental substrates, enabling the creation of detailed color gradients and natural-looking surfaces that closely mimic natural teeth.