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医用3D打印装置

Resumen de: CN120000383A

本发明提供了一种用于骨组织的在体修复和重建的新型的医用3D打印装置。该医用3D打印装置包括：打印材料供给装置，其供给包含骨粉和骨水泥的打印材料；第一通道管，其构成为前端能够插入至骨组织；第二通道管，其以可移动的方式设置于第一通道管内，并且其前端连接有自膨胀覆膜支架；打印导管，其以可移动的方式设置于第二通道管内，具有与打印材料供给装置连接的输送管和设置于输送管的前端的打印喷头；和穿刺部件，其构成为能够将覆膜支架的覆膜刺破。根据本发明，能够实现手术创伤小，与患者解剖结构匹配度高，且能够排除体内的组织液等的干扰，实现在手术过程中实时、精准的在体打印。

一种具备消毒功能的医用胶片打印机

Resumen de: CN120003170A

本发明涉及医用器械技术领域，尤其是指一种具备消毒功能的医用胶片打印机，包括胶片打印机主体，胶片打印机主体的前侧开设有操作槽，操作槽内设置有操作屏，操作槽内设置有紫外线灯，胶片打印机主体的顶部固定设置有手卷架，手卷架内设置有绕卷组件，绕卷组件上绕卷有密封帘，密封帘的底端滑动贯穿手卷架并延伸至操作槽内，密封帘前侧的底部固定安装有配重块；本发明在配重块带动密封帘下降时密闭操作槽的过程中，此时气流会通过通孔将减速伞面吹动并鼓起，使得减速伞面因受到气流阻力而向上拉动密封帘，从而实现了对密封帘减少下降的效果，避免配重块将密封帘拉扯损坏和砸坏胶片打印机主体的效果，有助于延长该打印机的使用寿命。

一种智能电子导管及其制备方法

Resumen de: CN120003020A

本发明公开了一种智能电子导管及其制备方法，属于体内医疗传感技术领域。包括以下步骤：制备银/氯化银参比电极、钙离子传感电极、钾离子传感电极、钠离子传感电极、胆红素传感电极、牛磺酸传感电极及过氧化氢传感电极；对静脉导管表面进行亲水处理，附着制备的金属凝胶打印浆料；将金属凝胶打印浆料3D打印在静脉导管表面；裁剪各传感电极和参比电极并黏附至金属凝胶打印线路末端后进行加热以得到金属凝胶打印线路；对金属凝胶打印线路进行封装处理，得到电子导管。相较于现有技术，本发明的有益之处在于，实现在医疗导管表面打印金属凝胶，并设计针对肠外营养各类并发症的化学信号传感器，结合机器学习进行趋势预测。

一种生物医用复合材料及其制备方法

Resumen de: CN120006131A

本发明提供一种生物医用复合材料的制备方法，属于生物医用材料技术领域，包括以下步骤：将钽、铌、锆粉末混合均匀后采用3D打印技术制备多孔钽‑铌‑锆骨架；称量金属单质和无机物，将金属单质与无机物置于石墨坩埚中放入加压感应炉内，通入保护性气氛，加热加压感应炉并搅拌，制得孔内填充物；将制备的多孔钽‑铌‑锆骨架全部浸入孔内填充物，继续通入保护性气氛并保温；待加压感应炉冷却后即制得生物医用复合材料。本发明可解决现有合金作为生物医用材料力学性能不适配、生物相容性差的问题。

牙颌模型底托、牙颌模型及牙颌模型套组

Resumen de: CN222870668U

本实用新型公开一种牙颌模型底托，用于承载牙颌模型，牙颌模型底托用于承载牙颌模型的承载面设有若干个凸台结构，凸台结构与设置于牙颌模型底面的凹槽结构凹凸匹配，装配后，凸台结构远离承载面的一端与凹槽结构远离牙颌模型底面的一端抵接，并且承载面与牙颌模型底面具有预设间隙。本实用新型还提供一种牙颌模型，牙颌模型的底面设置有若干个与牙颌模型底托承载面上的凸台结构凹凸匹配凹槽结构。本实用新型还提供一种牙颌模型套组，包括上述的牙颌模型底托和牙颌模型。本实用新型提供的牙颌模型底托、牙颌模型，以及牙颌模型套组，能够解决牙颌模型的底面因打印不平整导致的放置不平稳的问题，有利于提升隐形矫治器切割过程中的切割精度。

一种乳牙牙体预备用引导导板的压印制作装置

Resumen de: CN222870673U

本实用新型公开了一种乳牙牙体预备用引导导板的压印制作装置，包括：压印模型、导板、修剪凸起；压印模型在计算机软件中根据患者牙列模型设计，压印模型通过3D打印技术打印成实体；导板通过压膜膜片在压印模型上压印而成；压印模型上分布有修剪凸起，修剪凸起沿压印模型的牙列轴面环绕形成导板的边缘修剪路径，修剪凸起沿压印模型上患牙的咬合面、轴面环绕形成导板的开窗路径，修剪凸起上设有沿其路径开设的凹槽；本实用新型在制作备牙导板时通过不同结构的修剪凸起进行引导，能够避免裁切工具在操作时易脱离修剪凸起的凸面，而造成导板裁切边缘不平整，以及预备引导窗尺寸开设不精准的问题，以通过使用尺寸精准的备牙导板提高备牙调磨精度。

一种基于体积光固化打印和悬浮生物3D打印的载药水凝胶微针构建方法

Resumen de: CN120003024A

本发明公开了一种基于体积光固化打印和悬浮生物3D打印的载药水凝胶微针构建方法，涉及生物材料技术领域，所述方法包括下述操作步骤：S1、制备光固化悬浮支撑浴；S2、制备载药水凝胶；S3、悬浮打印载药水凝胶；S4、体积光固化打印微针阵列。该基于体积光固化打印和悬浮生物3D打印的载药水凝胶微针构建方法，通过在该悬浮支撑浴中根据药物所需的位置，悬浮打印载药水凝胶微球；悬浮打印完毕后，采用体积光固化打印技术，在该悬浮支撑浴内体积打印水凝胶微针阵列，实现载药水凝胶微球在微针阵列中的可控分布。

具有抗口腔鳞癌和促黏膜修复功能的光热复合材料及其制备方法和应用

Resumen de: CN120000851A

本发明属于光热材料应用领域，具体涉及一种具有抗口腔鳞癌和促黏膜修复功能的光热复合材料及其制备方法和应用。光热复合材料，包括纳米纤维膜以及海绵材料；所述的纳米纤维膜包括胶原蛋白和聚己内酯PCL；所述的海绵材料包括MXene、丝素蛋白和胶原蛋白。本申请的技术方案利用静电纺丝技术制成纳米纤维膜模拟黏膜上皮屏障并提高整体材料的缝合性能，采用低温3D打印制备含有MXene的口腔黏膜修复材料，制备的复合材料兼具良好的光热性能、口腔黏膜修复功能及缝合性能。

一种可调式阻鼾器及其制造方法

Resumen de: CN120000412A

本发明提供一种可调式阻鼾器及其制造方法，涉及阻鼾器技术领域，包括：上颌基托和下颌基托，上颌基托和下颌基托分别能够套设在上齿和下齿的外侧，下颌基托的前端设置有下颌限位板，上颌基托的前端通过第一调节机构连接有第一上颌限位板，第一上颌限位板用于与下颌限位板限位配合，上颌基托的后端通过第二调节机构连接有第二上颌限位板，第二上颌限位板用于与下颌基托的后端接触，第一调节机构和第二调节机构分别能够前后调节第一上颌限位板和上下调节第二上颌限位板；解决现有技术中的阻鼾器不能调节，适用范围有限和难以应对佩戴者的个体差异等问题。

一种颌面缺损修复植入假体制作方法、植入假体及模具

Resumen de: CN120000382A

本发明公开一种颌面缺损修复植入假体制作方法、植入假体及模具，涉及骨颌面修补技术领域，包括：采集患者颅骨影像学数据；根据医学数据建模软件对患者颅骨影像学数据进行建模获取颅骨模型数据和面部软组织模型数据；根据颅骨模型数据和面部软组织模型数据确定植入假体模型；根据植入假体模型制作最终植入假体。本发明通过获取颅颌面影像资料，建立颅骨模型和面部软组织模型，确定植入假体并展示给患者，患者可直观看到植入假体效果，使医生和患者能够更好的沟通，使患者能够直观的看到术后效果，并进行修改确认最终植入假体，植入假体可通过多次修改模拟确定，减少医生对经验的依赖及术中出现的各种情况导致术后偏差。

基于定制SESAM激光器的触觉导航地图生成方法及系统

Resumen de: CN120008580A

本发明公开了基于定制SESAM激光器的触觉导航地图生成方法及系统，涉及环境感知无障碍辅助技术领域，包括获取目的地并规划路线，使用定制SESAM激光器进行环境扫描；进行数据处理，生成触觉感知导航地图模型；使用即时3D打印设备生成触觉导航地图，实时检测环境更新地图。本发明提供的基于定制SESAM激光器的触觉导航地图生成方法使用SESAM激光器进行高精度环境扫描有效克服了现有激光器设备在复杂环境中精度不足的问题，使系统能够获取完整且真实的环境信息，将模型分为光滑的通行区和有纹理的障碍物，简洁的构造使3D打印成本更低，用户更易掌握模型。本发明在准确性、成本以及用户适应方面都取得更加良好的效果。

一种小耳畸形再造术相关肋软骨雕刻训练模型及其制造方法

Resumen de: CN120014921A

本发明公开了一种小耳畸形再造术相关肋软骨雕刻训练模型及其制造方法。本发明中，通过精确的CT扫描和高级的三维重建技术，结合SLA 3D打印技术，能够直接从数字模型一步到位打印出肋软骨雕刻训练模型。这种一次成型的好处在于，它避免了传统制造方法中可能出现的多步骤组装和接合的复杂性和误差。每个模型都是一体成型的，确保了模型的准确性和结构的完整性。这种方法不仅提高了生产效率，还减少了人为错误的可能性，从而提高了模型的可靠性和训练效果。医生和外科医生可以使用这些模型进行手术模拟和训练，而不必担心模型的不准确或不真实。

ALLOPLASTIC AURICLE PROSTHESIS AND METHOD FOR MANUFACTURING THE SAME

Resumen de: WO2025099555A1

The invention relates to an alloplastic prosthesis (20) for the complete or partial reconstruction of the outer ear (22) of a patient (24). The alloplastic prosthesis comprises a plurality of shaped layers (26) stacked and joined to each other, wherein some layers are made of thermoplastic polyurethane (TPU) and other layers are made of polycaprolactone (PCL); at least the outer surface of the alloplastic prosthesis comprises a plurality of pores (28) having a predefined structure and surface comprised between 0.1 mm2 and 0.2 mm2. The invention further relates to a method (100) for manufacturing the alloplastic prosthesis.

DEVICE FOR TREATING SNORING AND APNEA

Resumen de: WO2025097229A1

The present invention relates to a dental device for treating snoring and apnea (1) which is made using a 3D digital model and 3D printers and is composed of an upper plate (4) and a lower plate (6) that are joined by interlocking mechanisms (8, 9) that limit the opening of the mouth, optimizing the results of the treatment for snoring and apnea. The device is an apparatus for bringing the lower jaw forward that does not contain metal elements incorporated into the design of the apparatus, making manufacture easier and cheaper, as well as making the device more hygienic. Additionally, the forward movement of the lower jaw (7) is not achieved using screws or metal wires, but rather by sequentially and incrementally changing the plates, thus increasing the caliber of the airways, wherein the forward movement results from changes in the positioning of the interlocking mechanisms (8, 9).

RADIATION-CURING COMPOSITION FOR PRODUCING DENTAL COMPONENTS IN A 3D PRINTING PROCESS

Resumen de: WO2025099123A1

The invention relates to a radiation-curing composition for producing dental components in a 3D printing process, comprising, based on the total mass of the radiation-curing composition: i) one or more radically polymerisable monomers in a combined mass fraction of 30% or more; ii) one or more first fillers in a combined mass fraction of 5% or more, wherein the first filler or fillers has or have an average particle diameter D50 of 150 nm or less; iii) one or more second fillers, different from the first filler, in a combined mass fraction of 5% or more, wherein the second filler or fillers is or are selected from the group consisting of feldspars; and iv) one or more photoinitiators having a combined mass fraction in the range of 0.001 to 10%, wherein the combined mass fraction of fillers is 30% or more.

Partially Porous Tibial Component

Resumen de: US2025152374A1

A method for removing a stem portion of an orthopedic implant from a bone comprises exposing an implanted orthopedic implant having a body portion, a stem portion interconnected to the body and a porous metal section forming an interconnection between the body and the stem portion. A cutting tool is mounted on a holder connected to an exposed surface of the orthopedic implant. The porous section is aligned with the cutting tool mounted on the holder. The entire porous section is cut by moving the cutting tool therethrough in a direction transverse to the stem portion axis. The implant body portion is then removed and then the stem portion is removed from the bone. The cutting tool may be a saw or chisel which may be mounted on a guide fixed to the body portion.

SYSTEMS AND METHODS TO REPAIR TISSUE DEFECTS

Resumen de: US2025151975A1

Methods of bioprinting a bio-ink construct on an internal tissue defect or a chondral defect during a minimally invasive surgery on an individual in need thereof are provided, comprising: visualizing the defect; positioning a bioprinter comprising a printhead within proximity of or in contact with the defect; and ejecting a bio-ink from the printhead onto the defect to form a bio-ink layer, thereby generating a bio-ink construct. Further provided are systems for bioprinting a bio-ink construct on an internal tissue defect during a minimally invasive surgery on an individual in need thereof, comprising a control system, an endoscope, and a bioprinter comprising a printhead.

CONTINUOUS LIQUID INTERPHASE PRINTING

Resumen de: US2025152925A1

A method of forming a three-dimensional object is carried out by providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; filling the build region with a polymerizable liquid; irradiating the build region through the optically transparent member to form a solid polymer from the polymerizable liquid and advancing the carrier away from the build surface to form the three-dimensional object from the solid polymer, while also concurrently with the irradiating and/or advancing steps: (i) continuously maintaining a dead zone of polymerizable liquid in contact with the build surface, and (ii) continuously maintaining a gradient of polymerization zone between the dead zone and the solid polymer and in contact with each thereof. The gradient of polymerization zone comprises the polymerizable liquid in partially cured form (e.g., so that the formation of fault or cleavage lines between layers of solid polymer in the three-dimensional object is reduced). Apparatus for carrying out the method is also described.

HYBRID 3D PRINTER HAVING DISPENSER WITH MOVABLE LIGHT SOURCE

Resumen de: US2025153425A1

A method of three-dimensional (3D) printing includes heating a photo-curable material and extruding the photo-curable material from a nozzle of a dispenser to form a first layer of an object according to a digital file, wherein the first layer has a first shape specified by the digital file, and wherein the first shape has a first minimum line width based on a diameter of the nozzle. The method further includes directing a light beam onto the first layer according to the digital file or an additional digital file to cure a portion of the first layer, wherein the cured portion of the first layer has a second shape, wherein the second shape may comprise features that are smaller than the first shape. The light source is attached to the dispenser and is movable to adjust a direction of the light beam relative to the nozzle of the dispenser.

MONOMERIC AND POLYMERIC COMPOSITIONS AND METHODS OF PRODUCING AND USING THE SAME

Resumen de: US2025154305A1

The present disclosure provides photo-polymerizable monomers, photo-curable resins comprising one or more of such monomers, as well as polymeric materials formed from the photo-curable resins. Further provided herein are methods of producing the compositions and using the same for the fabrication of medical devices, such as orthodontic appliances.

ON-THE-FLY MOLDING

Resumen de: US2025153399A1

A method of fabricating an object from a heat curable polymer such as silicone is provided. The method is carried out by using additive manufacturing to fabricate a portion of a mold and filling the portion of the mold with the heat curable polymer. The polymer is then heated and the steps of mold fabrication and filling are repeated until the object is fabricated.

FABRICATION OF DENTAL APPLIANCES FROM PHASE-SEPARATED COMPOSITIONS

Resumen de: US2025154307A1

Methods for fabricating orthodontic appliances are provided. In some embodiments, a method includes: providing a polymerizable composition, the polymerizable composition including an initial ratio of a first polymerizable component to a second polymerizable component; and applying a holographic pattern of radiation to the polymerizable composition to form a portion of an orthodontic appliance. The portion can include: a first region including a first ratio of the first polymerizable component to the second polymerizable component, the first ratio being different from the initial ratio; and a second region including a second ratio of the first polymerizable component to the second polymerizable component, the second ratio being different from the initial ratio and the first ratio.

Porous Structures Produced By Additive Layer Manufacturing

Resumen de: US2025153427A1

A three-dimensional structure is formed when layers of a material are deposited onto a substrate and scanned with a high energy beam to at least partially melt each layer of the material. Upon scanning the layers at predetermined locations at least a first segment overlapping a second segment and underlapping a third segment is formed.

GRADIENT PRINTING RESERVOIR AND PRINTING METHOD

Resumen de: US2025153421A1

The present invention relates to a reservoir for gradient printing. The present invention further relates to a method of dispensing a content from a reservoir. The present invention also relates to different uses of the reservoir.

Porous Structures Produced By Additive Layer Manufacturing

Nº publicación: US2025153420A1 15/05/2025

Solicitante:

HOWMEDICA OSTEONICS CORP [US]
Howmedica Osteonics Corp

Resumen de: US2025153420A1

A method of forming a tubular structure including a first tube and a second tube. The steps of the method include first successively depositing layers of a first material and at least partially melting at least a portion of each deposited layer of the first material at predetermined locations to form the first tube. Second, successively depositing layers of a second material and at least partially melting at least a portion of each deposited layer of the second material at additional predetermined locations to form the second tube, wherein the second tube is attached to the first tube at an intersection. Additionally, at least partially melting steps include forming portions of a plurality of segments, and the first tube and the second tube share segments of the plurality of segments at their intersection.