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用于生成能够直接制造的牙科器具的系统和方法

Resumen de: US2024131795A1

Systems, methods, and devices for computer-aided design, digital treatment planning, and direct additive manufacturing of dental appliances are provided. In some embodiments, a method includes receiving a treatment plan for a patient's teeth, the treatment plan specifying a target arrangement for the teeth and a plurality of treatment stages to reposition the teeth from an initial arrangement toward the target arrangement. The method can include identifying appliance design parameters for one or more dental appliances to implement at least one treatment stage of the plurality of treatment stages. The appliance design parameters can include one or more manufacturability parameters corresponding to an additive manufacturing process to be used to directly fabricate the one or more dental appliances. The method can further include determining an appliance geometry for the one or more dental appliances using the set of appliance design parameters.

一种高适配的根形种植体

Resumen de: CN120053115A

本申请公开一种高适配的根形种植体，涉及牙种植体技术领域，包括：根形种植体；根形种植体的外形完全贴合拔牙窝；根形种植体的顶部开设有向内的凹槽；凹槽用于固定中央螺栓和义齿种植基台；根形种植体是基于目标口腔CT数据，采用3D打印制作；目标口腔CT数据为拔牙窝处的CT数据；凹槽是基于义齿种植基台和中央螺栓的底部形态，采用机件加工在根形种植体上制备。本申请中根形种植体能够适配安装不同类型的中心螺栓和义齿种植基台，同时该根形种植体的应用也能有效地缩短牙种植手术的周期时间。

软骨-骨一体化类器官及其制备方法

Resumen de: CN120053764A

本发明涉及软骨‑骨一体化类器官及其制备方法。所述软骨‑骨一体化类器官包括仿骨层与仿软骨层，所述仿骨层由基于压电水凝胶构建的仿骨基质力响应性生物墨水打印而成，所述仿软骨层由基于压电水凝胶构建的仿软骨基质力响应性生物墨水打印而成。本发明将压电材料与生物墨水相结合，利用3D生物打印技术精确构建软骨层和骨层的双生态位结构。通过压电材料将机械力转化为生物电信号，从而促进细胞活动和组织再生。同时，3D生物打印技术实现精确的结构控制，为关节软骨缺损修复提供了一种全新的策略。

通过喷射打印生产牙科修复体的方法、装置和系统

Resumen de: CN120056232A

本发明涉及通过喷射打印生产牙科修复体的方法、装置和系统。本发明提供一种通过喷射打印生产牙科修复体的方法，包括以下步骤：使用具有彼此不同颜色的多种不透明陶瓷浆料来喷射打印(S101)牙科修复体的牙本质核；以及使用半透明陶瓷浆料来喷射打印(S102)牙科修复体的牙齿釉质。

一种骨修复支架及其制备方法与应用

Resumen de: CN120053748A

本发明公开一种骨修复支架及其制备方法与应用。所述骨修复支架由磷酸镁支架在钾盐溶液中养护而成，磷酸镁支架的原料包括磷酸三镁和打印墨水载体，磷酸三镁为三水磷酸氢镁和氢氧化镁，打印墨水载体由明胶溶液、甘油和戊二醛溶液制得。所述骨修复支架的制备方法包括：用三水磷酸氢镁和氢氧化镁制备磷酸三镁粉末；将明胶水溶液、甘油、戊二醛溶液混合均匀，得到打印墨水载体；将磷酸三镁粉末与打印墨水载体混合，并进行垂直沉积3D打印，得到磷酸镁支架；将磷酸镁支架置于磷酸氢二钾溶液中养护，得到磷酸镁骨修复支架。本发明提供的骨修复支架，能够达到力学强度高、孔隙率高的效果。

一种新型钛钽合金牙科种植体材料及其制备方法和应用

Resumen de: CN120055291A

本发明提供一种新型钛钽合金牙科种植体材料及其制备方法和应用，该制备方法包括以下步骤：S1.准备钛钽合金粉末，按质量百分比计包括以下元素成分：Ta：30‑50％、余量为Ti，待用；S2.建立牙科种植体三维模型，使用选择性激光熔化将S1所述钛钽合金粉末制备得到目标，所述3D打印激光功率为200‑350W，扫描速度为600‑800mm/s，层厚为20‑40μm，得到牙科种植体，待用；S3.对S2所得牙科种植体进行等离子体表面处理，功率为100‑300W，时间为10‑20min，即得所述新型钛钽合金牙科种植体材料。所得新型钛钽合金牙科种植体材料具有较低的弹性模量、优异的力学性能和生物相容性，能促进细胞增殖，显著改善了种植体的生物力学性能，兼顾耐用性和减轻应力屏障效应，特别适用于高要求临床场景。

通过喷射打印生产牙科修复体的方法、装置和系统

Resumen de: CN120056233A

本发明涉及通过喷射打印生产牙科修复体的方法、装置和系统。本发明提供一种通过喷射打印来生产牙科修复体的方法，包括以下步骤：借助于陶瓷浆料喷射打印(S101)牙科修复体的一个或多个层；将着色溶液喷射打印(S102)至一个或多个层上；以及施加(S103)用于固定着色溶液的固定溶液。

通过喷射打印生产牙科修复体的方法、装置和系统

Resumen de: CN120056234A

本发明涉及通过喷射打印生产牙科修复体的方法、装置和系统。本发明提供一种通过喷射打印来生产牙科修复体的方法，包括以下步骤：借助于陶瓷浆料喷射打印(S101)牙科修复体的一个或多个层；以及将半透明度增强剂和/或不透明度增强剂喷射打印(S102)至一个或多个层上。

基于3D打印的复合人工骨及其制备方法

Resumen de: CN120053753A

本发明公开了一种基于3D打印的复合人工骨及其制备方法。复合人工骨的制备方法包括步骤：(1)将聚己内酯和磷酸钙混合并制为丝材；(2)按照预设模型，使用所述丝材打印成型得到3D打印多孔支架，所述多孔支架具有孔道结构；(3)将填充浆料注入所述多孔支架的孔道结构中，所述填充浆料含有胶原蛋白和磷酸钙，干燥，获得成型的复合人工骨；(4)将复合人工骨和交联剂进行化学交联，交联后清洗，干燥，获得复合人工骨产品。该复合人工骨具有较优的力学强度，可以有效促进大段骨缺损、骨不连治疗过程中的早期血管及新骨生长。

通过喷射打印生产牙科修复体的方法、装置和系统

Resumen de: CN120056235A

本发明涉及通过喷射打印生产牙科修复体的方法、装置和系统。本发明提供一种通过喷射打印来生产牙科修复体100的方法，包括以下步骤：借助于陶瓷浆料喷射打印(S101)牙科修复体的一个或多个层；以及将着色溶液喷射打印(S102)至一个或多个层上。

一种精确压低前牙的正畸矫治器的制作方法及正畸矫治器

Resumen de: CN120056314A

本申请涉及一种精确压低前牙的正畸矫治器的制作方法及正畸矫治器，精确压低前牙的正畸矫治器的制作方法包括根据数字化牙颌模型至少确定覆颌数值、覆盖数值和咬合平面，以及根据覆颌数值确定的需求压低量；确定预设覆盖阈值，根据预设覆盖阈值和覆盖数值之间的第一对比结果，确定对应的压低平台类型；确定预设压低量，根据预设压低量和需求压低量的第二对比结果，确定是否执行分阶段压低操作，若执行分阶段压低操作，则确定分阶段压低操作中的每个阶段压低量，分阶段压低量能基于用户交互窗口进行动态调整。不仅可以针对不同覆颌程度的患者提供个性化的矫治方案，还能确保压低量的精确控制，从而避免传统方法中因压低不准导致的反复调整问题。

一种仿生型种植桥架

Resumen de: CN120053114A

本申请公开了一种仿生型种植桥架，属于种植桥架领域。仿生型种植桥架包括种植体和连接体；种植体包括多个，每个种植体适配一个人体常规牙齿形状；多个种植体按人体常规牙齿顺序排列，相邻两个种植体之间通过连接体连接；每个种植体从牙尖至牙根的方向由实体结构向第一多孔结构变化以使弹性模量降低；每个种植体从牙齿中心至边沿的方向通过增加孔隙率使弹性模量降低；通过降低孔隙率使作为切牙、尖牙和磨牙的种植体的牙本质的弹性模量依次增加。本申请在采用同一种材料制作仿生型种植桥架的同时，实现根据人体生理牙齿不同位置具有不同的弹性模量，与人体生理牙齿实际弹性变形情况一致化，具有仿生学设计。

3D Customized prosthetic assistive device and method of manufacturing the same using 3D printing technology

Resumen de: KR20250000823U

하지 절단 환자의 환부와 의족 사이에 삽입되는 맞춤형 의족 보조기구가 제공된다. 적어도 일부가 상기 환부와 접촉하는 곡면을 포함하는 제1 면, 상기 제1 면으로부터 이격 형성되며, 적어도 일부가 의족과 접촉하는 곡면을 포함하는 제2 면, 및 상기 제1 면 및 상기 제2 면의 사이에 형성된 완충부를 포함하여, 착용시 환자의 환부에 가해지는 하중을 분산시킬 수 있다.

TRANSPARENT ORTHODONTIC DEVICE AND METHOD OF PREPARING THE SAME

Resumen de: US2025169924A1

The present invention pertains to a transparent orthodontic device and a method for its preparation. The transparent orthodontic device described herein includes a tooth-contacting portion. This tooth-contacting portion consists of a concave section that makes contact with the tooth and a convex section that does not make contact with the tooth, positioned opposite each other.

FIXING OF COLORING SOLUTIONS IN CERAMIC MULTI-COLOR INKJET 3D PRINTING

Resumen de: US2025169929A1

A method of producing a dental restoration by jet-printing, including jet-printing one or more layers of a dental restoration using a ceramic slurry, jet-printing a coloring solution onto the one or more layers, and applying a fixing solution for fixing the coloring solution.

ORTHODONTIC APPLIANCE SYSTEMS FOR CORRECTING MALOCCLUSIONS

Resumen de: US2025169925A1

A system for correcting malocclusions may include a maxillary appliance having tooth receiving cavities shaped to receive teeth of a maxilla and a first elastic coupling at gingival line of the maxillary appliance. The first elastic coupling may be configured for receiving an elastic. The system may also include mandibular appliance having tooth receiving cavities shaped to receive teeth of a mandible. The system may also include a corrective appliance having a first coupling configured to be coupled to the mandibular appliance at a first location on a first side of incisors of a patient and a second coupling configured to be coupled to the mandibular appliance on a second side of the incisors, and having an arm extending from the corrective appliance towards the gingival line of the maxillary appliance and being shaped to receive the elastic.

SYSTEMS AND METHODS FOR USING PHOTOGRAMMETRY TO CREATE PATIENT-SPECIFIC GUIDES FOR ORTHOPEDIC SURGERY

Resumen de: US2025169892A1

Systems and methods for generating patient-specific surgical guides comprising: capturing a first and second images of an orthopedic element in different reference frames using a radiographic imaging technique, detecting spatial data defining anatomical landmarks on or in the orthopedic element using a neural network, applying a mask to the orthopedic element defined by an anatomical landmark, projecting the spatial data from the first image and the second image to define volume data, applying the neural network to the volume data to generate a reconstructed three-dimensional (“3D”) model of the orthopedic element; and calculating dimensions for a patient-specific surgical guide configured to abut the orthopedic element.

FACE MASKS WITH ORAL ATTACHMENT MECHANISMS AND METHODS FOR MAKING THE SAME

Resumen de: US2025170353A1

A face mask assembly may include an oral appliance connected to a post. A face mask assembly may include a face mask comprising a shell, a liner, an adapter, and a threaded, slotted sleeve configured to receive the post. A face mask assembly may include a threaded nut configured to selectively engage the threaded, slotted sleeve, wherein engaging the threaded nut on the threaded, slotted sleeve causes the threaded, slotted sleeve to engage the post and fix the position of the face mask relative to the oral appliance.

POLYMER SCAFFOLD FOR PROSTHESIS WITH ADJUSTABLE INTERNAL RIGIDITY AND ELASTICITY, AND METHOD OF MANUFACTURING THE SAME

Resumen de: US2025169939A1

The present invention is directed to providing a polymer scaffold for a prosthesis that may have a size and supporting force that may accurately correspond to a certain affected area, may also contain a maximum amount of a therapeutic drug, may be immediately applied in a customized manner to an affected area that has not been prepared in advance, and may provide a stable supporting force of the affected area throughout the treatment period, and a method of manufacturing the same. The polymer scaffold for a prosthesis according to the present invention and the method of manufacturing the same have an effect of allowing the internal rigidity and elasticity to be adjusted so that they can be provided in a customized manner to patients.

ULTRASOUND 3D IMAGING SYSTEM

Resumen de: US2025169792A1

The present invention related to an ultrasound imaging system win which the scan head includes a beamformer circuit that performs far field subarray beamforming or includes a sparse array selecting circuit that actuates selected elements. When using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images can be generated in real-time. The invention further relates to flexible printed circuit boarde in the probe head. The invention furthermore related to the use of coded or spread spectrum signaling in ultrasound imagining systems. Matched filters based on pulse compression using Golay code pairs improve the signal-to-noise ratio thus enabling third harmonic imaging with suppressed sidelobes. The system is suitable for 3D full volume cardiac imaging.

A METHOD FOR PACKAGING A FOOD PRODUCT AND A PACKAGING MACHINE

Resumen de: US2025171188A1

A method (600) for packaging a food product is provided. The method can comprise receiving (602) at least one piece of packaging material (PM) in a packaging machine (500), said packaging material (PM) comprising a cellulose-based mid-layer (400), an inside layer (404) arranged to face the food product (FP), and an outside layer (402), wherein an ink-based print is provided on the outside layer (402), curing (604) the inside layer (404) of the at least one piece of packaging material (PM) such that ink particles (302), released from the outside layer (402) to the inside layer (404), are bound to the inside layer (404), thereby preventing the ink particles (302) from being released into the food product (FP), forming (606) the at least one piece of packaging material (PM) into packages (110), and filling (608) the packages (110) with the food product (FP).

CORAL BIOINKS

Resumen de: US2025171733A1

A bioink is described. The bioink comprises coral particles and biocompatible polymer, wherein the concentration of coral particles in the bioink is 25 to 85 weight % of the total weight of the bioink.

SELECTIVE COLORING BY MEANS OF COLORING SOLUTIONS IN 3D PRINTING

Resumen de: US2025170648A1

A method of producing a dental restoration (100) by jet printing, including the steps of jet printing (S101) one or more layers of the dental restoration using a ceramic slurry; and jet printing (S102) a coloring solution onto the one or more layers.

SELECTIVE ADJUSTMENT OF HARDNESS AND TRANSLUCENCY IN CERAMIC MULTI-COLOR INKJET 3D PRINTING

Resumen de: US2025170750A1

A method of producing a dental restoration by jet-printing, comprising the steps of jet-printing (S101) one or more layers of the dental restoration by means of a ceramic slurry; and jet-printing (S102) a translucency enhancer or opacity enhancer onto the one or more layers.

PRE-COLORED SLURRY FOR CERAMIC MULTI-COLOR INKJET 3D PRINTING

Nº publicación: US2025171364A1 29/05/2025

Solicitante:

IVOCLAR VIVADENT AG [LI]
Ivoclar Vivadent AG

Resumen de: US2025171364A1

A method of producing a dental restoration by jet-printing, including the steps of jet-printing (S101) a dentin core of the dental restoration using a plurality of opaque ceramic slurries having different colors from each other; and jet-printing (S102) the tooth enamel of the dental restoration using a translucent ceramic slurry.