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.

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.

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.

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.

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.

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.

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.

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.

Resumen de: US2023026132A1

A method of creating a reinforced dental prosthesis is provided that can include providing a three-dimensional (3D) printed dental prosthesis, and applying a coating solution to at least a portion of an outer surface of the 3D printed dental prosthesis. The coating solution can include a polymerizable resin and filler particles distributed within the polymerizable resin. The method can include curing the coating solution on the 3D printed dental prosthesis to create the reinforced dental prosthesis.

Resumen de: US2023026846A1

A custom tool for bonding orthodontic appliances in a mouth of a patient, the custom tool comprising: a facial body for a patient-specific, customized fit with the facial side of a plurality of teeth of the patient, a lingual body for a patient-specific, customized fit with the lingual side of the plurality of the teeth of the patient, wherein the lingual body. wherein the facial body and lingual body are configured to combine with the teeth of the patient to position orthodontic appliances on the plurality of teeth.

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.

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);

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.

Resumen de: US2021290559A1

Recently, we have introduced 3D-micro-patterned pharmaceutical dosage forms for enhancing the efficacy, safety, convenience, and cost-effectiveness of drug therapies. Presented herein are an apparatus and a method for the manufacture of such dosage forms. The apparatus comprises at least a first extruder and at least a second extruder. The first extruder comprises an extruder channel having an exit port with a valve mated to an input port of a second extruder. Said second extruder comprises a translatable piston for extruding plasticized fiber at controlled speed. The apparatus further comprises a stage movable at the controlled speed of the extruded fiber for depositing said fiber to a three dimensional structural framework. The method includes extruding plasticized matrix from a first extruder into a second extruder, extruding said plasticized matrix from the second extruder through a fiber fabrication exit port at controlled speed to form extruded fiber, and depositing said extruded fiber onto a fiber assembling stage to form a three dimensional structural framework.

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

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.

Resumen de: US2021290210A1

A three-dimensional printed swab may include a shaft defining a longitudinal axis of the swab, and a tip portion integrally formed with the shaft. The tip portion may include a plurality of protrusions each extending outward from the shaft and transverse to the longitudinal axis. A method for fabricating a three-dimensional printed swab may include receiving a digital three-dimensional model corresponding to the swab, and integrally forming, via three-dimensional printing and based at least in part on the digital three-dimensional model, a shaft and a tip portion of the swab. The shaft may define a longitudinal axis of the swab. The tip portion may include a plurality of protrusions each extending outward from the shaft and transverse to the longitudinal axis.

Resumen de: WO2021188975A2

Certain aspects of the present disclosure provide a flexible scaffold implant comprising a plurality of layered structures, the plurality of layered structures comprising: a first layered structure having a three-dimensional (3D) shape and formed from a bioresorbable material, and a second layered structure conforming to the corresponding 3D shape of the first layered structure and formed from the bioresorbable material. The first layered structure is arranged in proximity to the second layered structure. The first layered structure is configured to dissolve for resorption at a different rate than the second layered structure based on design elements of the first layered structure and the second layered structure. The plurality of layered structures are flexible.

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.

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。

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。

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。

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。

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。

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。