BIOIMPRESIÓN 3D

VolverVolver

Resultados 126 resultados LastUpdate Última actualización 22/05/2019 [18:26:00] pdf PDF

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

Página1 de 6 nextPage   por página


ULTRASONIC SURGICAL INSTRUMENT WITH AD HOC FORMED BLADE

NºPublicación: EP3484641A1 22/05/2019

Solicitante:

ETHICON LLC [US]

CN_109475939_A

Resumen de: WO2018013476A1

A method of forming a component of an ultrasonic surgical instrument includes accessing a file including a digital model representing the component. The component includes a proximal portion and a distal portion. The proximal portion includes a contact portion. The distal portion includes an ultrasonic blade. The contact portion is configured to transmit ultrasonic vibrations to the ultrasonic blade when the component is acoustically coupled to a complementary portion of an acoustic waveguide of the ultrasonic surgical instrument. The file is used to fabricate the component via an additive manufacturing process. Once the component has been fabricated, the distal portion is secured to a distal end of the complementary portion of the acoustic waveguide.

traducir

ULTRASONIC ASSEMBLY FOR USE WITH ULTRASONIC SURGICAL INSTRUMENTS

NºPublicación: EP3484382A1 22/05/2019

Solicitante:

ETHICON LLC [PR]

CN_109561913_A

Resumen de: WO2018013755A1

A surgical instrument includes an ultrasonic transducer assembly comprising a coupling portion laterally movable at an ultrasonic frequency. In addition, the surgical instrument includes an ultrasonic transmission waveguide extending from the coupling portion and an ultrasonic treatment element defining a cutting surface, wherein the ultrasonic treatment element extends from the ultrasonic transmission waveguide, and wherein the lateral movement of the coupling portion is in a direction perpendicular to a plane defined by the cutting surface of the ultrasonic treatment element.

traducir

GEL COMPOSITION FOR 3D PRINTING OF CELL SUSPENSIONS

NºPublicación: EP3485918A1 22/05/2019

Solicitante:

ETH ZUERICH [CH]

Resumen de: EP3485918A1

The invention relates to a method for providing a three-dimensional structure comprising viable cells. A volume of an aqueous composition comprising a glycosaminoglycan component, a polysaccharide component, fumed silica, growth medium and live cells is subjected to a shear force, whereby it is liquefied, and applied to a three-dimensional structure. The total mass of the glycosaminoglycan, the polysaccharide and the fumed silica, in relation to the total mass of the aqueous composition, ranges from 3% to 9% (w/w). The invention further relates to a composition for use in the method of the invention, and to gel objects made by the method of the invention.

traducir

NON-WOVEN FABRIC WEB HAVING PRINTED PATTERN

NºPublicación: EP3486357A1 22/05/2019

Solicitante:

XIAMEN HEJIE NON WOVEN PRODUCTS CO LTD [CN]

WO_2018010696_A1

Resumen de: EP3486357A1

A non-woven fabric web having a printed pattern. The web has an air permeability of 0-3500 L/m 2 /s, and comprises an upper surface fiber layer, at least one middle ink-receiving layer, and a lower surface fiber layer sequentially connected. Fibers in the upper surface fiber layer and lower surface fiber layer have a fiber fineness larger than 1.0D. Fibers in the middle ink-receiving layer have a fiber fineness smaller than 0.3D. The middle ink-receiving layer is printed with a single-color or multi-color ink printed pattern. The fibers respectively in the upper surface fiber layer, the at least one middle ink-receiving layer, and the lower surface fiber layer are laid, sprayed, and formed into shape via heat pressing points by means of a single thermal bonding process. The area of recessed regions formed by the heat pressing points is 5-70% of the total area. The non-woven fabric web of the present invention can effectively prevent an ink transfer during use from causing potential problems, such as skin allergies.

traducir

一种骨修复用多孔支架及其制备方法

NºPublicación: CN109758267A 17/05/2019

Solicitante:

\u534E\u5357\u534F\u540C\u521B\u65B0\u7814\u7A76\u9662

Resumen de: CN109758267A

本发明涉及医疗器械设计技术领域,公开了一种骨修复用多孔支架,包括若干结构单元,所述结构单元的外轮廓呈正四棱柱状,此正四棱柱的底面边长为a,高度为h,所述结构单元包括支撑梁柱、中心梁柱和连接杆,所述支撑梁柱分别设置于正四棱柱的四条侧棱处,所述中心梁柱设置于正四棱柱的中心,并与支撑梁柱平行等高,所述支撑梁柱与中心梁柱之间对应设置有连接杆,所述支撑梁柱和中心梁柱的截面半径均为R,若干结构单元阵列形成多孔支架。本发明还提供了一种骨修复用多孔支架的制备方法。本多孔支架具有孔隙率高、弹性模量低、承载能力高等优点。

traducir

一种肿瘤型人工全肩关节假体

NºPublicación: CN208864578U 17/05/2019

Solicitante:

\u5317\u4EAC\u5927\u5B66\u4EBA\u6C11\u533B\u9662

Resumen de: CN208864578U

本实用新型涉及一种肿瘤型人工全肩关节假体,其特征在于,该假体包括外臼杯、臼杯底衬、肱骨小头、限制卡环、肱骨上段缺损假体和髓针,臼杯底衬、肱骨小头和限制卡环依次放入外臼杯内形成可活动的球窝关节;肱骨上段缺损假体的近端与肱骨小头锥接,髓针与肱骨上段缺损假体的远端锥接,髓针用于与残存肱骨髓腔连接。本实用新型以限制性球窝关节为蓝本,其近端通过外臼杯与肩胛骨关节盂固定,远端通过髓针固定于残存肱骨髓腔,因此本实用新型不仅可以有效恢复肱骨的肢体长度,而且还完全恢复了肩关节的连续性;同时,通过限制性的球窝关节提供肩关节各个方向的活动度,可避免采用非限制性关节导致的肩关节假体脱位问题。

traducir

一种截骨导板及其制备方法

NºPublicación: CN109758208A 17/05/2019

Solicitante:

\u7F8E\u521B\u533B\u6838\u516C\u53F8

Resumen de: CN109758208A

本发明公开了一种截骨导板及其制备方法,截骨导板包括基板、截骨引导标准件、导板固位孔、钉孔和引流通道;其中导板固位孔分布于基板表面;钉孔的外端侧一体成型有标准化套筒,标准化套筒内设有可拆卸连接的防护内筒标准件。制备方法包括参数设计和打印模型,其中参数设计使用了创新的钉孔定位方式,即在指定位置进行穿刺打孔,然后直接使用三维扫描仪将钉孔数据的模型进行保存以用于后续设计流程。本发明适用于不同部位的截骨操作,其生产便利,精准度高,使用寿命长;本发明的制备方法无需摆放其他额外的部件进行三维扫描,且不会存在伪影,可以提高截骨导板上孔位开设的准确度。

traducir

一种钽铌合金牙种植体材料及钽铌合金牙种植体

NºPublicación: CN109758245A 17/05/2019

Solicitante:

\u4E2D\u5357\u5927\u5B66\u6E58\u96C5\u53E3\u8154\u533B(\u5B66)\u9662,
\u6E56\u5357\u7701\u7D2B\u767E\u5408\u4E49\u9F7F\u79D1\u6280\u6709\u9650\u516C\u53F8

Resumen de: CN109758245A

本发明公开了一种钽铌合金牙种植体及其钽铌合金牙种植体材料。其中,所述钽铌合金牙种植体材料中包括Ta:Nb=5.8~6.2:3.8~4.2混合的钽粉末和铌粉末,且余量元素的重量比小于1.5%;所述钽粉末和铌粉末的粉末粒径为10μm-60μm。所述钽铌合金牙种植体采用所述钽铌合金牙种植体材料经由激光分层叠加选区熔融成型工艺制备。

traducir

一种个性化多孔抗菌牙根种植体的制备方法

NºPublicación: CN109763028A 17/05/2019

Solicitante:

\u5C71\u4E1C\u5EFA\u7B51\u5927\u5B66

Resumen de: CN109763028A

本发明公开了一种个性化多孔抗菌牙根种植体的制备方法,本发明的特点是应用3D打印技术,以钛合金复合粉末的为制备材料,制备出齿根部拥有多孔结构的牙根植入体。制备出多孔齿根植入体弹性模量低有利于齿根与缺牙颌骨处的稳定结合,缩短植入物与生物骨组织愈合时间,有良好抗感染能力。

traducir

SOLID SELF-EMULSIONABLE SYSTEM AND METHOD FOR MAKING SAME BY PRINTING IN 3 DIMENSIONS

NºPublicación: FR3073415A1 17/05/2019

Solicitante:

GATTEFOSSE SAS [FR]

EP_3482774_A1

Resumen de: FR3073415A1

Système solide auto-émulsionnable au contact d'une phase hydrophile apportée, après ingestion, par le liquide physiologique, ledit système auto-émulsionnable comprenant: au moins un actif ; et les excipients suivants : une phase lipophile ; un agent tensioactif présentant une balance hydrophile/lipophile (HLB) supérieure à 8 ; éventuellement un agent co-tensioactif ; ledit système étant susceptible d'être obtenu par impression en 3 dimensions (3D).

traducir

A PATIENT-SPECIFIC GUIDE FOR REPAIRING THE PELVIC BONE DEFECTS DEPENDING ON BONE QUALITY IN FIXING ARTIFICIAL HIP JOINT SURGERIES

NºPublicación: WO2019091538A1 16/05/2019

Solicitante:

HAFEZ MAHMOUD ALM EL DIN [EG]

Resumen de: WO2019091538A1

This invention relates to a patient specific guides for hip replacement for patients who going to hip replacement surgery. The guide works for correction of the acetabulum defects based on a finite element model, which detect the bone quality and guide the surgeons for the optimum screws trajectories. The guides surface reflect the acetabular morphology which provide a correct posting of the cup, especially for the complex case as bone lost, severs fractures and tumors. CT-scan images are using to construct the 3D model of the acetabulum bone, therefore a finite element and virtual surgery planning methods are applied to create the electronic file of the patient specific guide. In finial step the 3D printers are using to produce the patient specific guide.

traducir

LIGHT-RESPONSIVE PRESSURE SENSITIVE ADHESIVES FOR WOUND DRESSINGS

NºPublicación: WO2019094923A1 16/05/2019

Solicitante:

KCI LICENSING INC [US]

Resumen de: WO2019094923A1

Disclosed are photo-responsive pressure sensitive adhesives, wound dressings that contain the photo-responsive pressure sensitive adhesives, and methods to remove the wound dressing. The photo-responsive pressure sensitive adhesive comprises a viscoelastic polymeric matrix. The viscoelastic polymeric matrix comprises a polymer that includes at least a first polymeric segment and at least a second polymeric segment that are each covalently linked together through a photo-cleavable moiety. The photo-cleavable moiety is capable of photolytic cleavage of the covalent bonds formed between the moiety and the first and/or second polymeric segments, respectively, in response to electromagnetic radiation.

traducir

Illuminated and Modular Soft Tissue Retractor

NºPublicación: US2019143414A1 16/05/2019

Solicitante:

INVUITY INC [US]

US_2018014900_A1

Resumen de: US2019143414A1

A surgical retractor for illuminating a surgical field includes an ergonomic handle, a retractor blade coupled with the handle, a quick release mechanism, and an illuminator blade. The retractor blade is adapted to engage and retract tissue, and the quick release mechanism is adapted to couple the handle with the retractor blade. The illuminator blade acts as a waveguide to transmit light by total internal reflection. Light is extracted from the illuminator to illuminate the surgical field. The retractor blade is releasable from the handle without requiring uncoupling of the illuminator blade from the handle and also without requiring optical uncoupling of the illuminator blade from a light source. The retractor may also be adapted to evacuate smoke from the surgical field.

traducir

METHOD AND APPARATUS FOR POSITIONING A DENTAL BRACKET ELEMENT

NºPublicación: US2019142551A1 16/05/2019

Solicitante:

DIGITAL ORTHODONTIC SOLUTIONS LTD [GB]

AU_2017264800_A1

Resumen de: US2019142551A1

Apparatus for positioning at least one bracket element at a desired location proximate to at least one respective tooth of a subject include a support body supporting and integrally formed with at least one support arm. The support arm is arranged to locate a respective bracket element at a desired location with respect to a respective tooth. At least one locating element serves to locate the support body relative to at least one tooth of a subject.

traducir

METHOD FOR SUPPLYING INKS FOR THREE-DIMENSIONAL PRINTING, AND THREE-DIMENSIONAL PRINTING METHOD USING SAME

NºPublicación: US2019142995A1 16/05/2019

Solicitante:

T & R BIOFAB CO LTD [KR]

CN_109153182_A

Resumen de: US2019142995A1

The present invention relates to a method of filling different two-kinds of multiple inks into an ink extruding member for a three-dimensional print and a method of three-dimensional printing using the filled ink, and relates to a three-dimensional printing method using multiple inks comprising a step of applying pressure to the retained multiple inks and extruding it into a single extruding port of the extruding part to prepare an ink extruded product and printing the ink extruded product.

traducir

MEDICAL IMAGE-BASED RADIATION SHIELDING DEVICE AND METHOD THEREOF

NºPublicación: US2019143141A1 16/05/2019

Solicitante:

LIU YUAN HAO [CN]

TW_201817382_A

Resumen de: US2019143141A1

A medical image-based radiation shielding device and method thereof, which may form a targeted and highly accurate radiation shielding according to individual differences in patients, such as tumor location and size, thereby reduce or avoid radiation from a irradiation apparatus to normal tissues of patients. The shielding device includes a medical image scanning means for scanning an irradiated site of an irradiated subject and outputting medical image voxel data, a data processing and three-dimensional modeling means for establishing a three-dimensional phantom tissue model according to the medical image voxel data and establishing a three-dimensional shield model according to the three-dimensional phantom tissue model; a shield located between the irradiation apparatus and the irradiated site, wherein the shield is formed by printing the three-dimensional shield model data input to a 3D printer.

traducir

MECHANICALLY INTERLOCKED MOLECULES-BASED MATERIALS FOR 3-D PRINTING

NºPublicación: US2019144569A1 16/05/2019

Solicitante:

DARTMOUTH COLLEGE [US]

Resumen de: US2019144569A1

Provided are supramolecular polypseudorotaxane hydrogel compositions and 3-D structures capable of reversible 3-D structural deformation which include (a) a solvent; (b) an at least partially linear polymer, where the polymer further comprises groups capable of covalent crosslinking between the polymers; (ii) at least one first macrocyclic ring which forms a pseudorotaxane with a polymer in the polymer network; and (iii) at least one second macrocyclic ring that does not form the pseudorotaxane. The hydrogel composition has a viscosity which allows for 3-D printing of the hydrogel to form a 3-D structure, and a storage (elastic) modulus after crosslinking that allows for the 3-D structure to undergo reversible 3-D structural deformation upon change of solvent conditions. Also provided are methods of manufacturing the compositions and 3-D structures.

traducir

Estimated 3D Models Of Interior Structures

NºPublicación: US2019147648A1 16/05/2019

Solicitante:

WOLFF DOUG [US]

Resumen de: US2019147648A1

The subject matter of this specification can be embodied in, among other things, a method that includes obtaining 2D interior models of a first anatomical object, obtaining 3D surface models of the first anatomical object, obtaining 3D interior models of one or more second anatomical objects, identifying 2D locations within one or more of the 2D interior models, identifying 3D locations within one or more of the 3D surface models, identifying 3D locations within one or more of the 3D interior models, transforming one or more of the 3D interior models based on the 2D locations and the 3D locations, predicting an interior anatomical structure of the first anatomical object based on the transformed 3D interior model, and providing a predicted 3D volumetric model having a 3D surface model corresponding to the first anatomical object and a 3D anatomical interior model based on the predicted interior anatomical structure.

traducir

METHOD AND SYSTEM TO CREATE CUSTOM, USER-SPECIFIC EYEWEAR

NºPublicación: US2019146246A1 16/05/2019

Solicitante:

BESPOKE INC [US]

US_2018299704_A1

Resumen de: US2019146246A1

Systems and methods for creating fully custom products from scratch without exclusive use of off-the-shelf or pre-specified components. A system for creating custom products includes an image capture device for capturing image data and/or measurement data of a user. A computer is communicatively coupled with the image capture device and configured to construct an anatomic model of the user based on the captured image data and/or measurement data. The computer provides a configurable product model and enables preview and automatic or user-guided customization of the product model. A display is communicatively coupled with the computer and displays the custom product model superimposed on the anatomic model or image data of the user. The computer is further configured to provide the customized product model to a manufacturer for manufacturing eyewear for the user in accordance with the customized product model. The manufacturing system is configured to interpret the product model and prepare instructions and control equipment for the manufacturing of the customized product.

traducir

FLUID TRANSFER ASSEMBLY WITH A JUNCTION HAVING MULTIPLE FLUID PATHWAYS

NºPublicación: US2019143093A1 16/05/2019

Solicitante:

SARTORIUS STEDIM NORTH AMERICA INC [US]

Resumen de: US2019143093A1

A fluid transfer assembly is described. The fluid transfer assembly includes a unitary junction having an upstream portion and a downstream portion, the unitary junction defining a plurality of curved fluid pathways between the upstream portion and the downstream portion. The assembly also includes at least one flexible fluid conduit sealed to the junction in fluid communication with at least one of the plurality of curved fluid pathways.

traducir

System for Performing an Arthroplasty Procedure on a Patient Bone

NºPublicación: US2019142440A1 16/05/2019

Solicitante:

HOWMEDICA OSTEONICS CORP [US]

US_2017367716_A1

Resumen de: US2019142440A1

A system for performing a total joint arthroplasty procedure on a patient's damaged bone region. A CT image or other suitable image is formed of the damaged bone surfaces, and location coordinate values (xn,yz,zn) are determined for a selected sequence of bone surface locations using the CT image data. A mathematical model z=f(x,y) of a surface that accurately matches the bone surface coordinates at the selected bone slice locations, or matches surface normal vector components at selected bone surface locations, is determined. The model provides a production file from which a cutting jig and an implant device (optional), each patient-specific and having controllable alignment, are fabricated for the damaged bone by automated processing.

traducir

Methods and Systems for Rendering Three-Dimensional Gait Acceleration Plots on Graphical User Interfaces

NºPublicación: US2019143604A1 16/05/2019

Solicitante:

SAVVYSHERPA LLC [US]

US_2019143603_A1

Resumen de: US2019143604A1

Embodiments represent acceleration along three orthogonal axes at two or more times as a three dimensional plot. Each point in the plot is positioned according to three coordinates, each of which is proportional to the amount of acceleration along one of the orthogonal axes at a moment in time. Some embodiments render the three dimensional plot as a three dimensional article of manufacture in which each point in the plot is represented by a volume of material. Method embodiments include the use of additive manufacturing techniques to fabricate such an article of manufacture. Some embodiments represent the three dimensional plot in two dimensions in a graphical interface. System embodiments may comprise an accelerometer, processor, output device, and a non-transitory computer readable medium storing instructions causing the processor to map points with coordinates proportional to acceleration along the respective axes to a virtual three-dimensional plot and then control the output device to render the plot in two or three dimensions.

traducir

Methods and Systems for Manufacturing Three-Dimensional Gait Acceleration Plots

NºPublicación: US2019143603A1 16/05/2019

Solicitante:

SAVVYSHERPA LLC [US]

US_2019143604_A1

Resumen de: US2019143603A1

Embodiments represent acceleration along three orthogonal axes at two or more times as a three dimensional plot. Each point in the plot is positioned according to three coordinates, each of which is proportional to the amount of acceleration along one of the orthogonal axes at a moment in time. Some embodiments render the three dimensional plot as a three dimensional article of manufacture in which each point in the plot is represented by a volume of material. Method embodiments include the use of additive manufacturing techniques to fabricate such an article of manufacture. Some embodiments represent the three dimensional plot in two dimensions in a graphical interface. System embodiments may comprise an accelerometer, processor, output device, and a non-transitory computer readable medium storing instructions causing the processor to map points with coordinates proportional to acceleration along the respective axes to a virtual three-dimensional plot and then control the output device to render the plot in two or three dimensions.

traducir

3D PRINTED BIOLOGICAL ARTIFICIAL OVARY SCAFFOLD CAPABLE OF ACTIVATING PRIMORDIAL FOLLICLES, ARTIFICIAL OVARY THEREOF, AND USE THEREOF

NºPublicación: WO2019090897A1 16/05/2019

Solicitante:

SHENZHEN INST ADV TECH [CN]

Resumen de: WO2019090897A1

A 3D printed biological scaffold capable of activating primordial follicles in ovarian cortex. By means of 3D printing technology, a primordial follicle activator and a hormone and a growth factor that are capable of promoting follicular development are mixed with a scaffold material for shaping by printing; then ovarian cortical fragments containing primordial follicles are implanted in the printed scaffold. After being implanted into a body, the cortical fragments can obtain better scaffold-based protection and richer nutrition supply, and the biological scaffold slowly degrades in the body to slowly release the follicle activator, thereby continuously activating the primordial follicles.

traducir

BIODEGRADABLE BIOMIMETICS OF GROWTH PLATE CARTILAGE FOR THE TREATMENT OF PHYSEAL INJURIES

Nº publicación: WO2019094389A1 16/05/2019

Solicitante:

UNIV COLORADO REGENTS [US]

Resumen de: WO2019094389A1

The present invention relates to the unexpected discovery of 3D printed biomimetics of growth plate cartilage and methods using the same for the treatment of growth plate defects. In certain embodiments, the methods prevent the growth of bony bars at the site of growth plate injury, thereby preventing growth arrest and/or deformity.

traducir

Página1 de 6 nextPage por página

punteroimgVolver