Resumen de: WO2025223804A1
The invention relates to a surgical shaft instrument (1) with at least one jaw part (30) which is movable in at least one axis (X) and by means of which a preferably pliers-like or scissors-like tool is formed in a distal end region (9), comprising a first part (10) having a first shaft portion (20) along a shaft axis (L); a second part (40) having a second shaft portion (50) along the shaft axis (L) and a second guiding means (42) in the distal end region (9); and at least one jaw part (30) which is provided on the first part (10) in the distal end region (9), said at least one jaw part (30) having a first guiding means (32) and being provided as a single piece. The first part (10) and the second part (40) are combined such that the first guiding means (32) and the second guiding means (42) interact in such a way that when the first shaft portion (20) and the second shaft portion (50) are mutually displaced, the at least one jaw part (30) is deflected about the at least one axis (X). The invention also relates to a method for producing the surgical shaft instrument (1).
Resumen de: US2025331850A1
An apparatus includes a staple, a body, a staple driver, and an alignment feature. The alignment feature is coupled to or formed with at least one of the staple driver or an inner surface of the staple aperture of the body. The alignment feature is configured to minimize rotation of the staple driver. The alignment feature includes at least one of a first contact feature, an alignment member, an alignment member, or an inwardly tapering portion. The first contact feature projects beyond a first lateral side of the staple driver. The alignment member extends through at least a portion of the staple driver. The first connecting portion rigidly connects the inner surface of the staple aperture with the staple driver in a connected state. The inwardly tapering portion of the inner surface or the staple driver is configured to guide the staple driver.
Resumen de: WO2025223663A1
The aim of the invention is to devise a method for providing a connection between a number of inserted dental implants and a prosthetic body, which makes it particularly simple to establish a reliable and secure connection between the prosthetic body and the inserted implants. For this purpose, according to the invention, the prosthetic body is provided with a recess for each dental implant, said recess being associated with the dental implant and being suitable for accommodating a connecting element of the particular dental implant. Following the insertion of the dental implants into the jawbone of the patient, the intraoral data characteristic of the oral situation of the patient including the inserted dental implants is captured. Using this intraoral data, the geometric data defining the intermediate space formed by the connecting element and the associated recess when the prosthetic body is correctly placed is determined for the connecting element of the dental implant, and, using this data, an intermediate body is produced that fills the intermediate space.
Resumen de: WO2025223664A1
The aim of the invention is to devise a method for providing a connection between an inserted dental implant and a crown, which makes it particularly simple to establish a reliable and secure connection between the crown and the inserted implant. For this purpose, according to the invention, the crown is provided with an associated recess suitable for accommodating a connecting element of the dental implant. Following the insertion of the dental implant into the jawbone of the patient, the intraoral data characteristic of the oral situation of the patient including the inserted dental implant is captured. Using this intraoral data, the geometric data defining the intermediate space formed by the connecting element and the associated recess when the crown is correctly placed is determined, and, using this data, an intermediate body is produced that fills the intermediate space.
Resumen de: CN120265403A
A method for producing a three-dimensional macroporous filament construct having interconnected microporous filaments comprises: a) preparing a mixture comprising particles of one or more metals, one or more metal alloys, or a combination thereof, one or more binders, a first liquid solvent of the one or more binders, and optionally one or more dispersants; b) dispersing particles containing at least one removable additive in the mixture; c) depositing the mixture in the form of filaments in a predetermined three-dimensional pattern of interconnected filaments, thereby producing a filament-based three-dimensional porous green structure; d) contacting the filament-based three-dimensional porous green structure formed in step c) with a second solvent, which is a non-solvent for the one or more binders, to induce phase inversion, thereby producing a filament-based phase-inverted porous structure having filament micropores, thereby converting at least a portion of the filaments into a solid state; e) removing the at least one removable additive by dissolution in a remover to create additional micropores in the phase-inverted porous structure; f) subjecting the structure thus obtained to a heat treatment. The remover contains or consists of the second liquid solvent, or the remover is a third liquid solvent different from the second liquid solvent.
Resumen de: CN120529970A
The present disclosure provides an apparatus (100) for aerosolizing a liquid, the apparatus 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 injector includes 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 one or more inputs. Each piezoelectric actuator is operable to cause liquid received by one of the one or more inputs to be ejected through a respective nozzle outlet in the form of one or more droplets, thereby producing an aerosol comprising the one or more droplets ejected by each droplet ejector.
Resumen de: WO2024133131A1
The invention relates to a method for producing a three-dimensional article by way of an additive manufacturing method, wherein at least one manufacturing material is introduced in a flowable state into a support material from at least one introduction opening of an introduction needle and is then hardened, and a stiffening material is introduced into the support material and then hardened.
Resumen de: CN120529970A
The present disclosure provides an apparatus (100) for aerosolizing a liquid, the apparatus 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 injector includes 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 one or more inputs. Each piezoelectric actuator is operable to cause liquid received by one of the one or more inputs to be ejected through a respective nozzle outlet in the form of one or more droplets, thereby producing an aerosol comprising the one or more droplets ejected by each droplet ejector.
Resumen de: US2024325127A1
Systems and techniques for designing a digital dental matrix with improved interproximal contacts are disclosed including generating a digital three-dimensional model of a future dental anatomy of a patient, the future dental anatomy representing an intended shape of at least one tooth of the patient, selecting one or more pairs of adjacent teeth in the 3D model, for each selected pair of teeth, determining a location and orientation in the interproximal space of the adjacent teeth to insert a digital 3D geometry having one or more initial parameters, and inserting the digital 3D geometry at the determined location and orientation.
Resumen de: AU2023410422A1
The present invention relates to a crosslinkable polymer composition comprising at least one calcium phosphate, at least one biocompatible and biodegradable organic polymer or one of its precursors, and Zn-ZnO core-shell particles, to a biomaterial obtainable by photopolymerization of such a crosslinkable polymer composition, to a process for preparing such a composition and such a biomaterial, and to the use of such a biomaterial for various applications in the field of health.
Resumen de: WO2025052207A1
Temporary and/or disposable device that can be implanted in the human body, including a biocompatible material implantable in the human body and including a plastic material, wherein the material includes a pharmaceutical or medical substance including at least one antibiotic and/or a radio-opacifying agent; method for the obtainment of such device and thread of 3D-printing material for the obtainment of such device.
Resumen de: AU2023403078A1
The present invention provides articles for the improved healing of wounds, preferably burn wounds. In some preferred embodiments, the article is a matrix formed from a mixture of two or more polysaccharides, the matrix comprising an active ingredient which is an extract from differentiable cells.
Resumen de: CN120548152A
A fused electrowriting soft tissue stent comprising: a first region having one or more groups of fibers and a second region having one or more groups of fibers; and an interface region joining the first region and the second region, the interface region being electrically written with the first region and the second region in a continuous print path such that fibers in the interface region are each joined between respective pairs of fibers in the first region and the second region.
Resumen de: CN120837725A
本发明公开了一种3D打印的水凝胶支架及其制备方法,涉及水凝胶材料技术领域,本发明为了提升水凝胶材料的抗菌性与生物相容性,对其原料进行了改性处理;本发明首先使用了明胶作为原料,并对其进行处理,增加其表面氨基含量,便于后续步骤的反应;之后,本发明还使用2,5‑噻吩二羧酸为原料,通过控制反应条件,将其与2‑氨基苯并咪唑反应,从而生成了含有游离羧基、噻吩环与咪唑环结构的抗菌中间体;并通过酰胺键的方式将其结合在明胶链段中,之后在光引发剂作用下,酰胺键断裂生成酰基自由基,进一步的与丙烯酸酯双键发生偶联接枝,从而与形成水凝胶交联结构,为水凝胶材料提供足够的压缩强度。
Resumen de: WO2024180438A1
The present disclosure provides a method of making a ceramic article. The method includes (a) obtaining a photopolymerizable slurry or sol including a plurality of ceramic particles distributed in the photopolymerizable slurry or sol and (b) selectively polymerizing the photopolymerizable slurry or sol using actinic radiation and continuous movement of a build substrate through the photopolymerizable slurry or sol to form a gelled article. The method also includes (c) extracting solvent from the gelled article to form an aerogel article or a xerogel article; (d) heat treating the aerogel article or the xerogel article to form a porous ceramic article; and (e) sintering the porous ceramic article to form a sintered ceramic article. The sintered ceramic article exhibits a particular density. Further, additive manufactured ceramic articles are provided that exhibit a particular density, opacity, or both.
Resumen de: US2024227300A1
Methods and systems for generating support structures for additively manufactured objects are described herein. In some embodiments, a method includes receiving a digital representation of a dental appliance configured to implement a treatment stage of a treatment plan for a patient's teeth. The method can include generating a support structure arrangement configured to support the dental appliance during an additive manufacturing process. The support structure arrangement can be generated using a machine learning model. The machine learning model can be trained on a training data set including appliance data representing geometries of a plurality of dental appliances, support structure data representing geometries of a plurality of support structure arrangements, and outcome data representing outcomes of the additive manufacturing process for the plurality of dental appliances with the respective support structure arrangements.
Resumen de: CN120837722A
本发明提供了一种宏观结构可调、多级有序的仿生凝胶及其制备方法,所述仿生凝胶按照如下方法制备:步骤1:聚乙烯醇基干粉的制备;步骤2:利用步骤1得到的聚乙烯醇基干粉进行3D打印;步骤3:循环冻融;步骤4:机械训练。通过控制循环冻融和机械训练的参数,使宏观结构逐渐复杂化的水凝胶内部纤维取向方向与宏观架构方向保持一致。本发明的打印凝胶的宏观结构为非单一方向,经过循环冻融、拉伸后打印凝胶的内部纤维取向也不是单一方向的,而是沿着非单一宏观架构方向,内部纤维取向于多个方向。
Resumen de: CN120837154A
本发明涉及骨缺损重建技术领域,具体涉及一种自体髂骨取骨重建骨缺损的3D打印导板及其制备方法和应用,所述自体髂骨取骨重建骨缺损的3D打印导板的制备方法包括以下步骤:基于患者肿瘤部位及骨盆的CT扫描DICOM数据,在计算机中模拟切除肿瘤并生成骨缺损区三维模型;根据所述骨缺损区模型,通过计算机辅助设计确定最佳髂骨取骨位置、大小、形状及取骨方案;依据所述取骨方案设计取骨导板及固定导板,所述导板通过3D打印技术制备。本发明将骨缺损重建的关键步骤(如肿瘤切除模拟、取骨方案设计、植骨固定模拟)均通过计算机辅助完成,形成标准化操作流程,构建了骨缺损重建的标准化解决方案。
Resumen de: CN120843428A
本发明提供了一种可磁控细胞培养基质的制备方法,其包括(1)将水凝胶溶液和磁粉混合,得到墨水;(2)对所述墨水进行除泡处理和充磁磁化,得到磁性墨水;(3)使用所述磁性墨水进行3D打印,得到具有期望形状的结构;(4)对所述结构进行固化和洗涤,然后将所述结构转移并固定在细胞培养材料中,得到可磁控细胞培养基质。本发明还提供了一种可磁控细胞培养基质及其用途。本发明的可磁控细胞培养基质生物相容性高、刺激参数可调,可应用于神经修复、组织工程等领域,显著提升细胞操控的精准性和效率。
Resumen de: CN120841943A
本发明涉及无机非金属材料技术领域,具体为一种纳米陶瓷熟浆,由以下重量份数组分组成:纳米氧化铝20‑25份、纳米氧化锆5‑20份、纳米二氧化硅10‑15份、改性纤维素醚3‑5份、硅烷偶联剂KH5602‑3份、复合分散剂1‑2份、去离子水30‑40份;还包括纳米羟基磷灰石0.5‑1份、磺化石墨烯oxide0.3‑0.6份;熟浆黏度5000‑8000mPa·s,粒径跨度≤0.8,Zeta电位绝对值≥40mV。本熟浆分散稳定,成型性好,固化后力学性能均衡,功能多样,生物相容性优,克服传统产品缺陷,应用前景广。
Resumen de: CN120840078A
本发明公开了骨修复材料技术领域的一种磷酸钙人工骨单元及其成型装置,该成型装置包括打印组件、平台以及用于驱动打印组件和/或平台移动的三轴伺服组件,其中,平台上设有若干个通过熔融物粘连支撑骨单元的支撑机构、用于回收熔融物的抽吸装置、以及用于调节支撑机构和抽吸装置位置的调节装置,通过设置管体以及加热固态熔融物的方式对骨单元进行支撑,其作用力维度更多,具有支撑力、拉力、剪切力,并且可以通过再次加热脱离粘连,以便于在骨单元打印更高时,换到其他位置进行粘连支撑;且通过设置抽吸装置,可以回收多余的液态熔融物,有效缓解其顺骨单元流下的问题。
Resumen de: WO2025221095A1
The present invention relates to a prefabricated patient-customized implant inserted into and fixed to a bone defect site, wherein one end of the bone defect site is formed in a joint. The prefabricated patient-customized implant comprises: a joint connection part having an external shape corresponding to a first defect end of the one end of the bone defect site; and a fixing part integrally formed with the joint connection part and detachably coupled to a part connected to a second defect end of the other end of the bone defect site.
Resumen de: CN120827646A
本发明涉及一种用于储药腔的载药微球原位附着方法和系统,其中,方法包括:步骤S1:在钛颌骨植入体内部设计药物储存流道,并对具有药物储存流道的钛颌骨植入体进行3D打印,得到试样,其中,所述药物储存流道为用于储药与释药的储药腔;步骤S2:对所述试样中储药腔的内壁进行雾化硅油处理与激光刻蚀;步骤S3:对雾化硅油处理与激光刻蚀后的试样进行微球的选型,并使用真空干燥法实现微球的原位附着;步骤S4:对微球原位附着进行测试,以判断微球的原位附着是否有效。本发明能够实现载药微球在储药腔的原位附着,并能有效控制药物的缓释、控释和延释。
Nº publicación: CN120827451A 24/10/2025
Solicitante:
正雅齿科科技(上海)有限公司
Resumen de: CN120827451A
本申请实施例涉及医疗器械制造领域,公开了一种正畸托槽定位安装模组的制造方法以及根据该方法获得的正畸托槽定位安装模组。制造方法包括:模型设计步骤:使用计算机系统在数字化牙颌模型上的预定位置上添加托槽模型,形成数字化复合模型;原型打印步骤:将数字化复合模型导入打印设备,打印生成带托槽形状的原型实体;导板初定位步骤:将预制的定位导板覆盖在原型实体上,定位导板包括若干个子导板,每个子导板对应至少一颗牙齿;辅助层制作步骤:用液态硅胶填充定位导板和原型实体上托槽之间的空隙,形成辅助层,待液态硅胶固化后,取下带辅助层的定位导板;装配步骤:将托槽附件装入带辅助层的定位导板的凹槽中,形成带托槽的定位安装模板。