BIOIMPRESIÓN 3D

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Resultados 164 resultados LastUpdate Última actualización 28/01/2023 [13:15:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 30 días / Applications published in the last 30 days



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3D PRINTED OBJECT HAVING OVERCURE REGION

NºPublicación: US2023023773A1 26/01/2023

Solicitante:

ALIGN TECH INC [US]

CN_113905871_PA

Resumen de: US2023023773A1

A three-dimensional (3D) object comprises a plurality of layers representative of an additive manufacturing process, wherein each layer of the plurality of layers approximately has a first thickness. A first layer of the plurality of layers forms at least a portion of a first surface of the 3D object, the first layer comprising a support region and an overcure region, wherein the first layer approximately has the first thickness at the support region and a greater second thickness at the overcure region. A support mark is included at the support region, wherein the support mark is inset from a first surface profile of the 3D object defined by the overcure region.

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MULTI-VALENT POLYMERIZABLE COMPOSITIONS AND METHODS OF PRODUCING AND USING THE SAME

NºPublicación: US2023021953A1 26/01/2023

Solicitante:

ALIGN TECH INC [US]

WO_2022272142_PA

Resumen de: US2023021953A1

The present disclosure provides photo-polymerizable components, 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.

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MEDICAL INSTRUMENT AND SYSTEM AND METHOD FOR PRODUCING A MEDICAL INSTRUMENT

NºPublicación: WO2023002056A1 26/01/2023

Solicitante:

TRAN KHANH CHINH [DE]

DE_202021103909_U1

Resumen de: WO2023002056A1

The invention relates to a medical instrument (1) and to a system and a method for producing a medical instrument (1) which is suitable for gripping an object located in a tooth or a jaw. The medical instrument has an activating unit (2) which has a plunger (3) guided in a housing (9) and is connected indirectly via a transmission element (5) to a gripping element (6) which has components (7, 8), of which one moves during a gripping operation and one does not move. As a result of actuation of the activating unit (2), a movement of at least a part of the activating unit (2) during the gripping operation is transmitted to the moving component (7) of the gripping element (6) via the transmission element (5) in such a way that the gripping element (6) is transferred from an open position into a gripping position. The described technical solution is characterised in that, during the gripping operation, the plunger (3) and the transmission element (5) are moved jointly with the gripping element (6) in a linear manner.

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METHOD FOR THE ADDITIVE MANUFACTURING OF CASTING MOLDS

NºPublicación: WO2023001418A1 26/01/2023

Solicitante:

ETH ZUERICH [CH]

EP_4122903_A1

Resumen de: WO2023001418A1

A method for manufacturing a photopolymerizable slurry comprises the steps of: providing a plurality of particles of an inorganic salt in the form of a powder; wherein at atmospheric pressure the inorganic salt has a melting point of above 250 °C; and wherein at room temperature the inorganic salt has a solubility in water above 9 %w/w; providing at least one radiation curable monomer; the at least one radiation curable monomer being in the liquid phase; and adding the inorganic salt particles to the liquid composition and mixing the inorganic salt particles with the liquid composition; obtaining a photopolymerizable slurry, selectively curing the photopolymerizable slurry to obtain a green body article; debinding the green body article to obtain a binderless body article; and sintering the binderless body article to obtain a sintered ceramic article; providing a first template mold (1); wherein the first template mold comprises the sintered ceramic article; providing a second mold (2, 2', 2"); wherein the second mold comprises a compartment into which said first template mold can be placed; mounting the first template mold into the compartment of the second mold, thereby obtaining an operative mold (1, 2, 2', 2"); casting a fluid casting material (3, 3', 3") into said operative mold to obtain after solidification of said casting material an infiltrated template mold (8) comprising a solid article (9) that is at least partially located within the first template mold (1);

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3-D BIOPRINTING COMPRISING BIOLOGICALLY-RELEVANT MATERIALS AND RELATED METHODS

NºPublicación: US2023023276A1 26/01/2023

Solicitante:

UNIV OF LOUISVILLE RESEARCH FOUNDATION INC [US]

Resumen de: US2023023276A1

The present disclosure provides a method of bioprinting a 3-D structure comprising one or more biologically-relevant materials on a super-hydrophobic surface. In one embodiment, the method comprises providing a composition having one or more biologically-relevant materials dispersed within a biocompatible medium. A pattern comprising a hydrophilic material is deposited on a defined area of the super-hydrophobic surface, wherein the pattern is modeled after a biological structure. The composition having the one or more biologically-relevant materials is then bioprinted atop the hydrophilic surface to form a 3-D structure, wherein the hydrophilic surface maintains the 3-D structure in a desired position or shape on the super-hydrophobic surface.

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ORTHOPEDIC INSOLE

NºPublicación: US2023027972A1 26/01/2023

Solicitante:

HUANG LI DA [US]

US_2017105475_PA

Resumen de: US2023027972A1

An orthopedic insole may include at least one strength layer and at least one shock absorbing layer. In one embodiment, the strength layer may be relatively rigid and includes a heel portion and an arch portion, contoured to fit the plantar or bottom surface of the foot to provide arch support. The shock absorbing layer may include a plurality of shock absorbing cells such as recoverable honeycombs or any other negative stiffness structure with the capability to recover. A gait analysis that may include an individual's weight transfer trajectory may have to be conducted to determine the structure of the shock absorbing layer. The orthopedic insole may further include an adjusting layer to supplement the strength layer and the shock absorbing layer to make adjustment to the orthopedic insole if needed.

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SPATIOTEMPORAL DELIVERY SYSTEM EMBEDDED IN 3D-PRINTING

NºPublicación: US2023021383A1 26/01/2023

Solicitante:

THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK [US]

US_2018085493_A1

Resumen de: US2023021383A1

Provided herein is a 3D printing system and related compositions, and method of using such, that can produce a polymeric microfiber having embedded microspheres encapsulating an active agent with micron precision and high spatial and temporal resolution.

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WEARABLE DEVICES TO AUGMENT PENILE RIGIDITY IN MEN WITH ERECTILE DISFUNCTION

NºPublicación: WO2023004090A1 26/01/2023

Solicitante:

THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV [US]

Resumen de: WO2023004090A1

Devices are provided device for augmenting penile rigidity that include first and second annular bands spaced apart from one another, and a plurality of longitudinal strips extending between the first and second annular bands. The bands and the longitudinal strips may be integrally formed from elastomeric material and an exterior surface of the bands and, optionally, the longitudinal strips may include hydrophilic material to reduce friction during use. During use, a penis is inserted through the device such that the first band is positioned at the base of the penis, the second band is positioned adjacent the tip of the penis, and the one or more strips are positioned adjacent the penis, e.g., to support the penis while largely exposing the skin, e.g., to enhance skin contact during sexual intercourse to increase the user's and partner's sexual arousal.

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METHOD AND DEVICE FOR PROCESSING THREE-DIMENSIONAL ORAL CAVITY MODEL

NºPublicación: WO2023003399A1 26/01/2023

Solicitante:

MEDIT CORP [KR]

Resumen de: WO2023003399A1

Embodiments provide a method and a device for processing a three-dimensional oral cavity model. The disclosed method for processing a three-dimensional oral cavity model comprises the operations of: acquiring scan data obtained by scanning a target object; generating a border of a base on the basis of the scan data; acquiring a gingival area from the scan data; and generating and connecting a mesh between the gingival area and the border of the base, and generating a mesh different from the mesh at a position corresponding to the palate so as to obtain teeth model data.

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AN UNMANNED APPARATUS FOR MEASURING THE WELLNESS PARAMETERS OF A PERSON

NºPublicación: WO2023002510A1 26/01/2023

Solicitante:

MEDAARA HEALTH CARE TECH PRIVATE LIMITED [IN]

Resumen de: WO2023002510A1

An unmanned apparatus for measuring the wellness parameters of a person is disclosed. The unmanned apparatus broadly comprises: an at least a control member; a height measuring member (01); a weight measuring member (18); an array of image capturing members (02, 21, 25, 26); a secondary output member (03); a primary output member (04); a currency accepter-cum-dispenser (05); an authenticating member (07); a card reading member (09); a printing member (10); oxygen saturation measuring members (12, 19); an array of audio input members (13, 22); an array of audio output members (16, 23); a blood pressure measuring member (20); a digital electrocardiogram recording member (14); a digital internal sound recording member (15); and a sterilization mechanism (06). The disclosed apparatus offers at least the following advantages: reduces the cost of initial health screening; facilitates the assessing of greater number of patients; provides for quick consultation and easy access to healthcare; reduces human errors; and is user-friendly.

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PERSONALIZED IMPLANT

NºPublicación: WO2023003465A1 26/01/2023

Solicitante:

BLOK ADDITIVE MFG B V [NL]
STICHTING HET NEDERLANDS KANKER INST ANTONI VAN LEEUWENHOEK ZIEKENHUIS [NL]

Resumen de: WO2023003465A1

A personalized implant (100) for bone replacement comprises an implant body (101) as a reconstruction of a bone portion. The implant body comprises a closed cavity (106) and a solid impervious layer (105) of material defining an outside surface of the implant body exposed to an exterior of the implant. The solid impervious layer fully encloses the closed cavity inside the implant body. The closed hollow interior can comprise an open support structure to reinforce the solid outside layer.

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RADIATION-CURABLE COMPOSITION FOR USE IN RAPID PROTOTYPING OR RAPID MANUFACTURING METHODS

NºPublicación: EP4122422A1 25/01/2023

Solicitante:

KULZER & CO GMBH [DE]

Resumen de: WO2020182810A1

The invention relates to a polymerizable radiation-curable composition comprising (i) monomers which comprise at least (a) one first monomer with a homopolymer TG (glass transition temperature) which is greater than or equal to 20 °C and at least (b) one second monomer with a homopolymer TG (glass transition temperature) which is less than or equal to 100 °C, wherein at least one of the at least one first monomer or the at least one second monomer has an alicyclic group, and comprising (ii) at least one second component which comprises at least one photoinitiator for the UV and/or the Vis range or a photoinitiator system for the UV and/or Vis range. The invention additionally relates to a blank in the form of a three-dimensional molded body of a polymerized composition, in particular a radiation-cured composition, for producing 3D molded bodies, such as dental models, dental prosthetic parts, orthopedic instruments, or dental pre-forms and to the use of the composition in order to produce dental prosthetic parts, orthopedic instruments, or dental pre-forms in a rapid prototyping method or in a rapid manufacturing or rapid tooling method.

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METHOD FOR THE ADDITIVE MANUFACTURING OF CASTING MOLDS

NºPublicación: EP4122903A1 25/01/2023

Solicitante:

ETH ZUERICH [CH]
UNIV DELFT TECH [NL]

WO_2023001418_PA

Resumen de: EP4122903A1

A method for manufacturing a photopolymerizable slurry comprises the steps of: providing a plurality of particles of an inorganic salt in the form of a powder; wherein at atmospheric pressure the inorganic salt has a melting point of above 250 °C; and wherein at room temperature the inorganic salt has a solubility in water above 9 %w/w; providing at least one radiation curable monomer; the at least one radiation curable monomer being in the liquid phase; and adding the inorganic salt particles to the liquid composition and mixing the inorganic salt particles with the liquid composition; obtaining a photopolymerizable slurry, selectively curing the photopolymerizable slurry to obtain a green body article; debinding the green body article to obtain a binderless body article; and sintering the binderless body article to obtain a sintered ceramic article. Providing a first template mold (1); wherein the first template mold comprises the sintered ceramic article.Providing a second mold (2, 2', 2"); wherein the second mold comprises a compartment into which said first template mold can be placed; mounting the first template mold into the compartment of the second mold, thereby obtaining an operative mold (1, 2, 2', 2"); casting a fluid casting material (3, 3', 3") into said operative mold to obtain after solidification of said casting material an infiltrated template mold (8) comprising a solid article (9) that is at least partially located within the first template mold (1); and

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一种快速促进血管内皮化的3D打印可降解支架及其制备方法

NºPublicación: CN115634324A 24/01/2023

Solicitante:

苏州卓欣雅科技有限公司

Resumen de: CN115634324A

本发明公开了一种快速促进血管内皮化的3D打印可降解支架及其制备方法,包括以下步骤:S1:将聚己内酯(PCL)与三七总皂苷(PNS)溶于溶剂,制得PCL‑PNS复合溶液,其中PCL和PNS的质量比为10:0.05‑10:0.1;S2:将复合溶液通风挥发处理后,获得PCL‑PNS复合材料;S3:3D打印制备获得PCL‑PNS血管支架;本发明支架具备良好的生物相容性及机械支撑力,本支架特有的交织结构可以承受更大的机械应力,且柱间所受压力较为均衡,具有优良的力学性能及抗弯折能力,引入的PNS可以加快支架表面的内皮化进程,快速建立起支架与血液良好的接触面,减少晚期血栓形成和支架内再狭窄等并发症的发生概率,在介入手术的长期成功中将发挥着巨大作用。

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一种多结构软骨修复植入物及其制备方法

NºPublicación: CN115634311A 24/01/2023

Solicitante:

润原生物科技(苏州)有限公司

Resumen de: CN115634311A

本发明公开了一种多结构软骨修复植入物及其制备方法,其步骤为:①制备3D打印复合材料;②利用3D打印设备打印出3D打印多孔支架胚体;③将3D打印多孔支架胚体放入到模具内,并将制备好的复合生物活性溶液倒入到模具内;④将装有3D打印多孔支架胚体及复合生物活性溶液的模具放入到冻干机内,进行冻干,制备出多层、多结构支架;⑤将多层、多结构支架放入到真空热处理炉内,在真空状态下对其进行热处理,制备出多层、多结构支架成品;⑥对支架成品进行灭菌、包装,制成软骨修复植入物成品。本发明降低了手术难度及手术成本,提高了软骨修复的效果。

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PELVIC SEAT THAT CAN BE THERMOFORMED DIRECTLY ON THE PATIENT

NºPublicación: ES2932704A1 24/01/2023

Solicitante:

UNIV DALACANT / UNIV DE ALICANTE [ES]

WO_2023285708_PA

Resumen de: WO2023285708A1

The present invention relates to a pelvic seat or brace that can be thermoformed on the patient (taken as a mould in the seated position), in a way that is comfortable for the patient, avoiding unpleasant sensations and uncomfortable or impossible postures (as the case may be), minimising time spent by therapists carrying out modelling on patients while reducing the number of professionals involved in the production process, at an affordable cost, and which can undergo subsequent thermoforming in order to be readjusted to morphological and/or physiological changes in the patient. The device consists of four main parts: base, column, backrest and abductor block. The modelling and production used to generate the device allow it to be customised to increase accessibility in terms of use and enable small-series production.

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一种用于生成肤质报告的手持式打印机

NºPublicación: CN218367059U 24/01/2023

Solicitante:

香榭(上海)美容有限公司

Resumen de: CN218367059U

本实用新型公开了一种用于生成肤质报告的手持式打印机,包括打印机本体,所述打印机本体的底部固定安装有手柄,所述打印机本体的内部活动安装有延伸至其左侧外部的检测头。本实用新型通过设置紫外线消毒灯,先按动功能键中的消毒按键,使微型电动推杆伸长带动防护箱移动,防护箱向下移动带动电动马达移动,使电动马达移动带动转轴移动,转轴移动带动连接块移动,使连接块移动待定紫外线消毒灯和软毛刷移动至检测头的左侧,再通过电动马达运行带动转轴转动,使转轴转动带动连接块转动,连接块转动带动软毛刷转动对检测头进行清洁,清洁同时连接块右侧的紫外线消毒灯对检测头进行消毒杀菌,达到了方便消毒杀菌的作用。

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一种3D打印骨增量用钛网设计及其制造方法

NºPublicación: CN115634077A 24/01/2023

Solicitante:

迪迈仕(北京)科技有限责任公司

Resumen de: CN115634077A

本申请涉及植入物结构的技术领域,公开了一种3D打印骨增量用钛网设计及其制造方法,其通过CBCT的扫描、骨增量的设计、模型确认校准,以及打印生产的步骤,钛网的制作无需再依赖于医生的经验,患者也无需多次进行试戴,能够有效缩短手术时长,减少患者的痛苦。

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一种高性能聚氨酯的制备方法和应用

NºPublicación: CN115636919A 24/01/2023

Solicitante:

中国科学院长春应用化学研究所

Resumen de: CN115636919A

本发明提供了一种高性能聚氨酯的制备方法,涉及聚氨酯技术领域。本发明制备的高性能聚氨酯具有良好的润滑性能以及优异的力学强度。本发明提供的高性能聚氨酯的制备方法包括以下步骤:扩链剂和封端剂的两性离子亲水改性,预聚体合成,聚氨酯合成得到不限于用于人工半月板的高性能聚氨酯材料,随后通过3D打印、模压、浸渍、旋涂或喷涂的方法制备得到人工半月板等产品。本发明中,由于高性能聚氨酯分子链上既含有提高润滑作用的两性离子结构又兼具维持力学强度的疏水性结构,使制备得到的高性能聚氨酯能够同时满足低摩擦系数的需求和高力学强度的要求。

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一种3D打印梯度多孔结构种植体及其制备方法

NºPublicación: CN115635081A 24/01/2023

Solicitante:

北京科技大学

Resumen de: CN115635081A

本发明涉及一种3D打印梯度多孔结构种植体及其制备方法,该方法制备的种植体孔隙率沿径向增大,呈梯度变化,梯度多孔结构的外部孔隙率较大,弹性模量较小,其与人体骨组织弹性模量相当,可有效避免应力屏蔽造成的种植体失效及与周围组织产生的炎症,且有利于骨组织细胞向内生长繁殖;梯度多孔结构的内部孔隙率较小,弹性模量较大,具有较高的强度,使种植体在负载的情况下更加稳定可靠,通过“外疏内密”的设计结构可平衡弹性模量‑强度之间的关联。

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一种数字化扩弓器的制作方法及数字化扩弓器

NºPublicación: CN115624401A 20/01/2023

Solicitante:

陈颖

Resumen de: CN115624401A

本申请公开了一种数字化扩弓器的制作方法及数字化扩弓器,制作方法包括:根据患者基础信息、牙齿宽度、牙弓宽度及长度预测得到总扩弓量;根据总扩弓量和患者的发育情况确定治疗周期以及每个治疗周期的分步扩弓量和扩弓部位;确定上下牙颌平面矢状向、水平向调整范围及垂直向打开距离;根据固位及移动量需求,在牙齿表面粘贴附件;生成数字化模型并3D打印出模型;压制扩弓器并根据患者治疗情况选择膜片;根据患者每个治疗周期的扩弓量、可扩弓部位及肌肉紧张度选择膜片厚度;确定边缘切割位;制作平面颌垫或解剖式颌垫。本申请提供的数字化扩弓器的制作方法提高了临床使用率及矫治效率,减小扩弓器的体积,结构简单,增强了舒适性和贴合度。

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DETERMINATION USING NEURAL NETWORKS OF ATTRIBUTES OF DENTAL PARTS IN ADDITIVE/SUBTRACTIVE MANUFACTURING

NºPublicación: WO2023285420A1 19/01/2023

Solicitante:

DENTSPLY SIRONA INC [US]
SIRONA DENTAL SYSTEMS GMBH [DE]

Resumen de: WO2023285420A1

The present invention relates to a computer-implemented method for the automatic generation of component-describing data for use in a preparation of additive/subtractive manufacturing jobs for dental components such as splints, denture bases, models, restorations such as bridges and crowns, wherein for each at least one component type a specialized pre-trained neural network is used for setting surface and/or volume attributes of the dental component, wherein the surface and volume attributes describe the accuracy and quality requirements of construction elements of the dental components with regard to the intended use, wherein the accuracy and quality requirements comprise at least one of the following: geometric dimensional accuracy, mechanical strength, surface texture color, and the avoidance of the attachment of support elements, wherein the neural network has been pre-trained by means of dental components for which the surface and/or volume attribution has already been carried out.

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A METHOD FOR MANUFACTURING AN OBJECT, IN PARTICULAR AN ORTHODONTIC APPLIANCE, BY A 3D-PRINTING DEVICE

NºPublicación: WO2023285592A2 19/01/2023

Solicitante:

HIRSCH DYNAMICS HOLDING AG [CH]

Resumen de: WO2023285592A2

A method for manufacturing an object (1), in particular an orthodontic appliance (2), by a 3D-printing device (3) comprising a supply device (4) for provision of a non- solidified material (5) and means for illumination (6) to solidify a layer (7) of non-solidified material (5) provided by the supply device (4) at least zonally to fabricate the object (1), characterized by the following steps: a virtual model (8) of the object (1) to be printed is provided for the 3D-printing device (3), the supply device (4) provides a layer (7) of the non- solidified material, the means for illumination (6) solidify the layer (7) at least zonally, whereby the means for illumination (6) comprises illumination pixels (9) arranged in a grid, preferably with a dimension (10) between 10 µm and 80 µm, particularly preferred between 30 pm and 50 µm, wherein at least one dimension (ID of the object (1) represented by the virtual model (8) is chosen to be aligned with the dimension (10) of the illumination pixels (9).

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ADJUSTABLE INTERVERTEBRAL CAGE, ASSOCIATED INSTRUMENT AND MANUFACTURING PROCESS THEREFOR

NºPublicación: WO2023285675A1 19/01/2023

Solicitante:

BLUE OCEAN SPINE GMBH [DE]

Resumen de: WO2023285675A1

The present invention discloses a process for manufacturing an adjustable intervertebral cage by 3D printing with a base plate, a moving plate, a height wedge and a lordosis wedge comprising the steps of: i) Providing a 3D printer with a substrate plate, and metal powder; ii) Applying metal powder to the substrate plate; iii) Selectively melting the metal powder on the substrate plate according to a layer of the adjustable intervertebral cage, wherein the layer of the base plate, the layer of the moving plate, the layer of the height wedge and the layer of the lordosis wedge are interlaced; and iv) Sequentially repeating steps ii) and iii) layer by layer until the adjustable intervertebral cage is fully manufactured, wherein all layers of the base plate, all layers of the moving plate, all layers of the height wedge and all layers of the lordosis wedge are each metallically bonded together.

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AUTOMATED SYSTEMS AND METHODS FOR PRODUCING DENTAL ALIGNERS

Nº publicación: US2023020528A1 19/01/2023

Solicitante:

NAVARRO GUERRA DAVID [US]

Resumen de: US2023020528A1

Systems and methods for automating the production of dental aligners is disclosed. In some embodiments the systems and methods include a three-dimensional printer in communication with one or more computer and one or more computer programs. The system and method configured to permit persons to automatically scan and upload a pre-existing digital scan, x-ray, physical mold or other impression of a person's teeth to the three-dimensional printer for direct real-time printing of custom dental aligners. In some embodiments, the system and method also includes an intraoral scanner configured to permit persons to take and receive a real-time digital scan of their teeth and receive a real-time custom dental aligner, on the same day and from the same integrated system, method, machine, kiosk and location.

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