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141
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Última actualización
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Resultados 25 a 50 de 141
Resumen de: FR3172321A1
L’invention concerne un procédé de fabrication d’un hydrogel à partir d’au moins un polymère réticulable, le procédé comprenant les étapes suivantes : a) fournir une solution comprenant au moins un polymère réticulable et une oxydase, b) réticuler ledit au moins un polymère par l’oxydase et à l’aide d’H2O2 afin d’obtenir un hydrogel, où la source d’H2O2 lors de l’étape b) est fournie par un dispositif de génération d’un plasma froid. Figure pour l’abrégé : Figure 1
Resumen de: CN122604537A
本申请提供了一种3D打印可降解仿生气管外支架，包括高模量可降解材质外层以及低模量可降解材质弹性内层，外层与内层初始均为3D打印一体预制成型的板状形态，经热弯形围合后定型为适配气管壁的C形筒状，二者通过滑动结构实现相互不脱离的轴向滑动连接，内层可伴随气管壁轴向往复阻尼滑动与弹性复位以及径向与轴向伸缩耦合形变，同时采用内外壁双曲面结构，结合该功能分层构型、层间随动耦合形变的独创设计，可有效仿生人体气管天然生理曲度与力学特征；还提供了一种气管外支架制备方法，采用3D打印、热弯定型、滑动装配、静电纺丝修复层及无菌封装工艺，解决了现有技术支架力学性能矛盾、功能单一及量产受限等缺陷问题。
Resumen de: CN122604304A
本发明公开了一种基于3D打印超透镜的颅内血管OCT成像导管，属于医疗器械与光学成像技术领域。该导管包括：外壁封装套管、单模光纤、光学结构，集成于单模光纤远端端面，采用增材制造工艺直接构建。所述光学结构为3D打印光学结构或超透镜结构，被配置为实现光束的空间聚焦与传播方向的偏转，使出射光束以预设倾角从导管侧壁区域进行侧向发射，并补偿由导管聚合物材料及内部润滑介质所引起的像差。本发明通过将多功能光学元件直接集成于光纤末端，实现了紧凑化、一体化的光路设计，在≤0.7mm导管外径约束下同步实现高精度聚焦、可控侧向发射及多介质界面像差鲁棒补偿，显著提升了颅内远端血管OCT成像质量与临床适用性。
Resumen de: CN122608408A
本申请涉及陶瓷义齿增材制造技术领域，具体公开了一种3d打印复合陶瓷修复义齿制备工艺。包括以下步骤：S1、干燥、煅烧得到核－壳结构氧化锆粉末；将核－壳结构氧化锆粉末与蒙脱土纳米片、导电金属氧化物亚微米球混合，得到电活性陶瓷复合粉末；S2、制备光固化打印浆料；S3、将光固化打印浆料通过光固化3D打印成型，进行热脱脂处理以去除有机树脂，得到多孔素坯；S4、制备致密化着色义齿坯体；S5、清洗致密化着色义齿坯体，得到3D打印复合陶瓷修复义齿。本申请的复合陶瓷修复义齿可用于口腔个性化修复体的定制制作，其具有在低温条件下同步实现坯体致密化与全层深度梯度着色的优点。
Resumen de: CN122608907A
本发明公开了一种光交联聚乙二醇水凝胶材料、制备方法及应用，其中，光交联聚乙二醇水凝胶材料，包括组分A和组分B，其中，组分A为乙烯基化自组装三肽修饰的聚乙二醇，组分B为光引发剂；组分A和组分B在水相介质中光照交联形成光交联聚乙二醇水凝胶材。本发明提供的一种光交联聚乙二醇水凝胶材料、制备方法及应用，该水凝胶通过将乙烯基化自组装短肽引入聚乙二醇大分子链端，构建了独特的“物理‑化学”双模态交联网络，其前体体系具备高度灵敏且温度可控的“溶胶‑凝胶”可逆转变特性，光交联后，短肽自组装形成的纳米增强网络结构，实现了材料力学和韧性的同步提升。
Resumen de: CN122604477A
本发明属于匹配式3D打印支撑接骨板技术领域，公开了一种兼具支撑的3D打印接骨板及其成型方法。该接骨板为与截骨的撑开空白区角度匹配，并与骨面匹配式贴合，外形形态贴合骨骼轮廓，且具有支撑撑开空白区功能的三维的楔形支撑接骨板；该楔形支撑接骨板通过3D打印制成；楔形支撑接骨板包括：上表层上开设有多个用于促进轻量化设计的表层孔；表层孔的下部开设有经梯度变化孔径大于表层孔的用于提供强度力学支撑的内层孔；支撑接骨板本体的侧面开设有三维布设的多向斜向螺孔。本发明术前根据三维模型精确规划下肢力线与截骨撑开角度，结合个体化楔形支撑接骨板角度固定，保证力线矫正准确、支撑可靠，提高手术有效性与精准性。
Resumen de: CN122604548A
一种基于磁力驱动的分区式下颌与舌体前移矫治器及其制备方法，包括由上矫治器和下矫治器组合形成的矫治器主体；所述矫治器主体包括利用负压使舌体前移以改善通气效果的前牙区矫治器和利用磁力给下颌提供下颌前移力的后牙区矫治器，前牙区矫治器包括用于防止口呼吸的弧状体，弧状体连接上矫治器和下矫治器形成一体式结构的矫治器主体；与现有技术相比，后牙区矫治器将磁铁应用于矫治器内部，通过调整相斥面角度及磁力大小，改变对牙列的应力分布，进行基于口颌系统生物力学仿真计算，获得最优的磁力大小和方向，为获得更加精准的磁力提供生物力学依据，以避免带来咬合关系改变和颞下颌关节紊乱等临床并发症，确保前移力的精准性与安全性。
Resumen de: CN122605000A
本发明属于骨修复领域，具体涉及3D打印抗氧化稀土氧化物掺杂的骨修复支架及其制备方法。包括以下步骤：以PVA水溶液为基体，加入分散剂聚丙烯酸铵，得到用于纳米粉体的粘合剂溶液；将nHAp、nβ‑TCP与nREO经球磨混合后，与所述粘合剂溶液混匀，制得可 3D 打印的膏状浆料；导入支架三维模型，设置打印参数，采用气压挤出式 3D 打印得到支架素坯；将支架素坯经室温干燥后，在空气氛围中高温烧结，得到无有机成分的骨修复支架。本发明的制备方法所需原材料种类少，制备工艺受环境影响小。加入稀土氧化物后，支架具有较好的抗压强度、生物相容性和抗氧化能力，在用于骨修复植入的基础上，还可以用作生物3D打印载细胞支架和载药支架等，具有广阔的应用前景。
Resumen de: CN122604309A
本发明涉及脊柱矫形技术领域，特别是涉及一种脊柱矫形器设计方法。该方法通过脊柱矫形测量装置对患者顶椎区域施加梯度矫形力，测定额定矫形力与额定位移并建立实测数据库。同步采集患者 BMI、脊柱 Cobb 角、顶椎位置等关键参数，借助统计分析拟合得出多组参数间非线性二次函数关系，可快速推算出患者个性化矫正力学参数。将参数导入建模软件完成三维模型构建，再通过拓扑优化精简结构，最后利用 3D 打印技术完成矫形器制作。本发明建模精度高，所制矫形器贴合性好、矫正力度适配合理，兼顾使用安全性与矫治效果，制作流程简洁高效，可满足青少年特发性脊柱侧凸精准保守矫治的临床使用需求。
Resumen de: CN122609030A
本发明涉及纳米复合材料技术领域，具体涉及一种3D打印用聚乳酸/纳米羟基磷灰石复合线材及其制备方法与应用。所述方法包括：S1、通过乳液溶剂挥发法制备不同平均粒径的聚乳酸/纳米羟基磷灰石复合微球；S2、将所述不同平均粒径的复合微球进行颗粒级配，获得级配原料；S3、将所述级配原料熔融挤出、牵引拉伸，得到复合线材。本发明通过复合微球化与颗粒级配相结合，有效实现了纳米羟基磷灰石在聚乳酸基体中的均匀分散，所得线材直径为1.75±0.03mm，纳米羟基磷灰石质量分数为3‑15%，断裂强度为37.52‑54.84MPa。该线材适用于FDM 3D打印，可用于制备骨修复支架，具有优异的生物相容性和力学性能。
Resumen de: CN122604721A
本发明公开了一种富马酸酮替芬片及其制备方法，涉及药物制剂技术领域，所述制剂为环形结构且具有贯穿厚度的中心通孔，包括内核和包覆内核的pH敏感性外壳；内核由富马酸酮替芬原料药、协同助溶组分等经3D打印与梯度交联固化成型，外壳在口腔中抑制药物释放、在胃液中允许释放。制备方法包括打印墨水、复合凝固浴及梯度交联浴制备，3D打印成型，梯度交联固化，pH敏感层包覆及精准后处理。该制剂溶出速度快、脆碎度低、重量差异小、稳定性好且含量均匀，制备工艺精准可控，解决了传统制剂性能不佳的问题，适用于富马酸酮替芬的工业化生产。
Resumen de: WO2026172045A1
A prediction of a risk of a cardiovascular disease (CVD) of a user is based on risk factors acquired by a questionnaire and selected non-invasive medical measurements (12, 14, 16, 17) at an autonomous health station (10). All risk factors can be obtained in real-time while the user is visiting the health station (10), and the predicted risk of a cardiovascular disease can be reported to the user immediately in real time. No involvement of medical staff or no laboratory blood tests and waiting for the test results are needed. This enables a convenient automated cardiovascular risk estimation in a healthcare context.
Resumen de: US20260240516A1
Proposed concepts aim to provide schemes, solutions, concepts, designs, methods, and systems pertaining to cardiac monitoring of a subject which involves obtaining both echocardiogram data and a cardiac activity signal. In particular, embodiments aim to provide a method of cardiac monitoring in which a cardiac rhythm abnormality value is determined and used to generate supplementary data which can accompany the echocardiogram data to provide a comprehensive view of the cardiac behaviour of the subject during a monitoring time period.
Resumen de: US20260240434A1
A system for monitoring at least one parameter representative of an episode of decompensation, the monitoring system comprising at least one subcutaneous implant, the subcutaneous implant comprising at least one electrocardiograph and one accelerometer configured to collect information relating at least to the functioning of the heart of the living being, the monitoring system also comprising a computer server and a communication relay configured to allow at least the exchange of information collected by the subcutaneous implant with the computer server, the computer server being configured to calculate changes in at least one parameter, from among hemodynamic and/or respiratory and/or electrophysiological parameters, on the basis of the data collected by at least the accelerometer and the electrocardiograph.
Resumen de: US20260245231A1
Methods and systems for imaging and analysis are described. Accurate pressure ulcer measurement is critical in assessing the effectiveness of treatment. However, the traditional measuring process is subjective. Each health care provider may measure the same wound differently, especially related to the depth of the wound. Even the same health care provider may obtain inconsistent measurements when measuring the same wound at different times. Also, the measuring process requires frequent contact with the wound, which increases risk of contamination or infection and can be uncomfortable for the patient. The present application describes a new automatic pressure ulcer monitoring system (PrUMS), which uses a tablet connected to a 3D scanner, to provide an objective, consistent, non-contact measurement method. The present disclosure combines color segmentation on 2D images and 3D surface gradients to automatically segment the wound region for advanced wound measurements.
Resumen de: DE112024004598T5
Ein System zur Spektralerfassung während eines medizinischen in-vivo-Eingriffs kann einen Prozessor und einen Speicher umfassen, auf dem Befehle gespeichert sind, die den Prozessor veranlassen, ein Beleuchtungssignal von einer Beleuchtungsquelle in Richtung eines in-vivo-Ziels auszusenden, ein erstes Rücksignal vom in-vivo-Ziel als Reaktion auf das Beleuchtungssignal zu erfassen und ein Lasersignal von einer Dauerstrichlaserquelle in Richtung des in-vivo-Ziels auszusenden. Die Befehle können den Prozessor ferner veranlassen, ein zweites Rücksignal vom In-vivo-Ziel zu erfassen, eine Differenz zwischen dem ersten Rücksignal und dem zweiten Rücksignal zu bestimmen und eine Maßnahme zu ergreifen, die zumindest teilweise auf der bestimmten Differenz basiert.
Resumen de: AU2026210822A1
The present disclosure provides for a control system for a flow therapy apparatus. The control system can control delivery of a fraction of delivered oxygen (FdO2) to a patient. The control system can maintain the FdO2 at a target level during a therapy session. The control system can automatically control an oxygen inlet valve in order to control the flow of oxygen to the patient. ul u l
Resumen de: US20260245735A1
0000 Some embodiments provide for a method for identifying an intervention for a subject in furtherance of preventing development of cardiovascular disease in the subject, the method comprising: obtaining cardiometabolic health data for the subject; determining, using at least some of the cardiometabolic health data, a first trained machine learning (ML) model and for each of multiple time intervals, one or more measures of risk that the subject develops cardiovascular disease to obtain multiple measures of risk; determining, using the multiple measures of risk that the subject develops cardiovascular disease and at least one second trained ML model, benefit of administering to the subject one or more therapeutic interventions designed to reduce risk of cardiovascular disease by targeting one or more modifiable causes of the cardiovascular disease; and identifying, using the determined benefit of administering the therapeutic intervention(s), at least one therapeutic intervention to recommend being administered to the subject.
Resumen de: DE112024004308T5
Ein System und ein Verfahren zur automatischen Erkennung von Instrumentenfehlfunktionen in einer Probenentnahmevorrichtung während eines medizinischen Eingriffs können das Erfassen einer Folge von Ultraschallbildern eines Zielgebiets des medizinischen Eingriffs über einen Wandler der medizinischen Vorrichtung umfassen. Das System oder Verfahren kann ferner das Erkennen eines Instruments in der Folge von Ultraschallbildern umfassen, das sich von der medizinischen Vorrichtung aus erstreckt und sich innerhalb des Sichtfelds des Wandlers befindet. Für jedes Ultraschallbild der Sequenz von Ultraschallbildern, das das aus dem medizinischen Gerät herausragende Instrument enthält, kann eine Eigenschaft des aus dem medizinischen Gerät herausragenden Instruments bestimmt werden. Das System oder Verfahren kann ferner das Erzeugen eines Warnsignals umfassen, das auf der Eigenschaft des aus dem medizinischen Gerät herausragenden Instruments basiert, die einen Schwellenwert überschreitet, wobei das Warnsignal eine potenzielle Anomalie des aus dem medizinischen Gerät herausragenden Instruments anzeigt.
Resumen de: US20260244472A1
0000 A system and method for resolving an error condition of a medical device includes the medical device, a mobile device, and a host computer. The medical device generates a machine readable code, the machine readable code is read by the mobile device, and the remote computer hosts a uniform resource locator (URL) associated with the machine readable code such that the mobile device can access the URL.
Resumen de: WO2026173324A1
Disclosed is a tooth retaining device. The tooth retaining device, which is manufactured by a 3D printer on the basis of 3D scan data of a patient's dental structure, may comprise: a shape part including surface contact parts attached to lingual tooth surfaces to correspond to the shape of at least one tooth of an anterior teeth part, and protrusion parts positioned between the surface contact parts and facing the interdental spaces; and both end parts positioned at both ends of the shape part and attached while facing occlusal surfaces of premolars.
Resumen de: US20260241635A1
0000 Additive manufacturing methods, additive manufacturing systems, and products thereof are provided. The method comprises depositing a bioink into a support material based on a first computer model of an object, thereby forming a first portion of an object in the support material. The bioink comprises cells. The method comprises depositing a structure material into the support material based on the first computer model of an object, thereby forming a first portion of a scaffold for the object. The structure material is different from the bioink and the structure material comprises a polymer. The method comprises repeating the depositing of the bioink and the structure material as necessary to additively form the object and the scaffold within the object.
Resumen de: US20260241188A1
A method includes generating, from an electronic 3-dimensional map indicating placement locations of a plurality of electrode arrays, an electronic 2-dimensional map indicating placement locations of the plurality of electrode arrays relative to each other in 2-dimensional space. The electronic 3-dimensional map is associated with a surface area of at least a portion of a body of a patient. The electronic 3-dimensional map indicating the placement locations of the plurality of electrode arrays can be generated based on at least one medical image.
Resumen de: US20260245201A1
0000 A method for processing an image, an electronic apparatus performing the same, and a computer readable storage medium storing the same may be provided. The method for processing an image includes receiving at least one intraoral image, aligning the at least one intraoral image to a occlusal plane, setting an inner surface of a splint based on the at least one aligned intraoral image, setting an outline of the splint based on the at least one intraoral image, setting an outer surface of the splint based on the outline, and displaying the at least one intraoral image, to which the splint is applied, generated based on the outer surface.
Nº publicación: US20260245202A1 20/08/2026
Solicitante:
MEDIT CORP [KR]
MEDIT CORP.
Resumen de: US20260245202A1
0000 A method for processing an image, an electronic apparatus performing the same, and a computer readable storage medium storing the same may be provided. The method for processing an image includes receiving an intraoral image including maxillary scan data and mandibular scan data; calculating an occlusal distance to antagonist of the intraoral image based on an occlusal state of the intraoral image; and adjusting the occlusal distance to antagonist corresponding to the occlusal state of the intraoral image based on the calculating.
BOPI
Sede Electrónica
