BIOIMPRESIÓN 3D

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Resultados 143 resultados LastUpdate Última actualización 11/07/2020 [18:18:00] pdf PDF xls XLS

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



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FUNCTIONALIZED AND CROSSLINKED POLYMERS

NºPublicación: EP3675873A1 08/07/2020

Solicitante:

PMIDG LLC [US]

US_2020190225_A1

Resumen de: WO2019046834A1

Polyhydric polymers may be converted to derivatives thereof by reaction with divinyl sulfone to provide vinyl sulfone substituted polymers, where the polymers may additionally be further derivatized, including crosslinked, and the crosslinked and non-crosslinked derivatives may be used in biomedical and other applications.

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BIOCOMPATIBLE POLYMER POWDERS FOR ADDITIVE MANUFACTURING

NºPublicación: EP3676309A1 08/07/2020

Solicitante:

EVONIK OPERATIONS GMBH [DE]

KR_20200049832_A

Resumen de: WO2019043137A1

The present invention is directed to biocompatible polymeric powders to be used for 3D printing applications. More specifically, the 3D printing process will allow a tool less manufacturing of medical devices in particular in the implantables or regenerative space. Its flow and other processing characteristics qualifies them for the use in selective laser sintering, but also could be suitable for other powder based 3D printing technologies.

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POLYMERS FOR ADDITIVE MANUFACTURING

NºPublicación: EP3675920A1 08/07/2020

Solicitante:

POLY MED INC [US]

WO_2019046808_A1

Resumen de: WO2019046808A1

Porous and microporous parts prepared by additive manufacturing as disclosed herein are useful in medical and non-medical applications. The parts are prepared from a composition containing both a solvent soluble component and a solvent insoluble component. After a part is printed by an additive manufacturing process it is exposed to solvent to extract solvent soluble component away from the printed part, resulting in a part having surface cavities.

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牙齿倒凹模型生成方法及装置

NºPublicación: CN111376580A 07/07/2020

Solicitante:

上海正雅齿科科技股份有限公司

Resumen de: CN111376580A

本发明提供牙齿倒凹模型生成方法及装置、设计壳状牙齿矫治器的方法、制造壳状牙齿矫治器的方法、电子设备、计算机存储介质,该方法包括:建立包围相邻两个数字化牙齿的数字化包围盒;对数字化包围盒进行栅格化处理;通过栅格上的点建立两个数字化牙齿之间的分割面;利用分割面获取倒凹填充区域的包围线;在倒凹填充区域的包围线内生成牙齿倒凹模型。该方法在数字化牙齿模型上进行数字填倒凹,从而生成带有填倒凹的数字化牙颌模型。自动化操作取代人工操作,提高生产效率,实现了标准化作业,从而提高壳状牙齿矫治器的生产质量,解决人工填倒凹效率较低、不容易实现标准化作业的问题。

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A METHOD OF MAKING A PHYSICAL OBJECT

NºPublicación: CN111372756A 03/07/2020

Solicitante:

3M\u521B\u65B0\u6709\u9650\u516C\u53F8

WO_2019102304_PA

Resumen de: WO2019102304A1

A method of making a physical object by additive manufacturing. The method has the steps of providing a light hardenable primary material (11), building up the object (100) by successively hardening portions of the light hardenable primary material (11) by irradiating the portions with light, coating at least a part of the object (100) with a light permeable coating or oxygen protective material; and irradiating the coated object (100) with light and thereby post-hardening any light hardenable material (11).

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一种基于3D打印的偏颌测量仪

NºPublicación: CN111358470A 03/07/2020

Solicitante:

上海交通大学医学院附属第九人民医院

Resumen de: CN111358470A

本发明公开了一种基于3D打印的偏颌测量仪,所述偏颌测量仪包括U形测量仪本体,所述测量仪本体与牙弓相吻合,所述测量仪本体的牙齿贴合面设有与牙列相匹配的牙孔,所述测量仪本体的弧形外端面设有刻度尺。该测量仪基于上颌牙列的尖窝关系进行设计,并于测量仪的外端面设计刻度尺,该刻度尺可直观测量出患者的偏颌距离。该偏颌测量仪利用3D打印技术打印成型,通过三维模型获取患者上颌平面及面部中线,来确定下颌骨在冠状位中线上的偏移距离。用于指导下颌骨偏移患者进行康复训练,以减少患者的并发症,增加患者的康复锻炼依从性,减少就诊次数,减轻医护人员的工作量,提高患者的生活质量。

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INTRODUCER SHEATH VALVE ASSEMBLY FOR MEDICAL PROCEDURES WITH COLLAPSIBLE TUBULAR DIAPHRAGM

NºPublicación: ES2770798T3 03/07/2020

Solicitante:

GORE & ASS [US]

US_2019111246_A1

Resumen de: WO2009148577A1

The invention relates to a valve used in medical procedures. More specifically the invention relates to an introducer sheath valve used in minimally invasive and conventional surgical procedures. The valve may accommodate a wide range of surgical implement diameters, shapes, and multiple implements without imposing the high frictional forces of known valves.

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PHOTOPOLYMERIZABLE COMPOSITIONS INCLUDING A URETHANE COMPONENT AND A MONOFUNCTIONAL REACTIVE DILUENT, ARTICLES, AND METHODS

NºPublicación: CN111372959A 03/07/2020

Solicitante:

3M\u521B\u65B0\u6709\u9650\u516C\u53F8

WO_2019103855_PA

Resumen de: WO2019103855A1

The present disclosure provides a photopolymerizable composition. The photopolymerizable composition includes at least one urethane component, at least one monofunctional reactive diluent, an initiator, and optionally an inhibitor. The present disclosure also provides an article including the reaction product of the photopolymerizable composition. Further, the present disclosure provides a method of making an article. The method includes (i) providing a photopolymerizable composition and (ii) selectively curing the photopolymerizable composition to form an article. The method optionally also includes (iii) curing unpolymerized urethane component and/or reactive diluent remaining after step (ii). Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying an article; and generating, with the manufacturing device by an additive manufacturing process, the article based on the digital object. A system is also provided, including a display that displays a 3D model of an article; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of an article.

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一次性肺表面定位装置及其制备方法

NºPublicación: CN111358555A 03/07/2020

Solicitante:

王文

Resumen de: CN111358555A

本发明公开了一种一次性肺表面定位装置及其制备方法,一次性肺表面定位装置包括用于与病患的肺组织指定状态贴合的定位部件,定位部件上设有用于套装在肺组织上的容置腔,容置腔至少带有一个安装开口,且定位部件的内壁或外壁上设有至少一个用于对肺表面的点、或线、或面、或多个面进行标记的定位标记组件;制备方法包括获取病患的肺组织指定状态的三维模型;确定定位部件的形状;采用3D打印制备定位部件;在定位部件的内壁或外壁上安装布置定位标记组件。本发明采用了与病患的肺组织指定状态贴合的定位部件套设于肺组织的方式来实现对肺组织的形态定位,并可利用定位标记组件来是实现对定位点的标记,能够实现对肺组织表面的精确定位。

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一种乳头内陷术后用的固定装置及其制作方法

NºPublicación: CN111358611A 03/07/2020

Solicitante:

武汉市中心医院

Resumen de: CN111358611A

本发明涉及乳头内陷矫正技术,尤其是涉及一种乳头内陷术后用的固定装置及其制作方法。本发明固定装置的套管为采集患者健康侧的乳头数据信息后,使用3D打印技术制成的,更加符合患者的生理结构,对手术侧乳头起到更好的的固定、持续牵引、不卡压、不松动的外固定和牵拉效果,更有效地预防乳头内陷的复发。本发明固定装置结构简单,固定操作简便,可有效且快速完成乳头内陷术后的矫正固定操作,有效节约手术时间。本发明固定装置支撑台结构可使固定装置更伏贴于患者乳房表面,避免固定装置松动,提高患者的舒适感。

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TOTAL HIP REPLACEMENT SURGICAL GUIDE TOOL

NºPublicación: US2020205899A1 02/07/2020

Solicitante:

HOWMEDICA OSTEONICS CORP [US]

US_2018140358_A1

Resumen de: US2020205899A1

Disclosed herein is a surgical guide tool for use in total hip replacement surgery. The surgical guide tool may include a customized mating region and a resection guide. The customized mating region and the resection guide are referenced to each other such that, when the customized mating region matingly engages a surface area of a proximal femur, the resection guide will be aligned to guide a resectioning of the proximal femur along a preoperatively planned resection plane.

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UNIQUELY CODED COLOR BOARDS FOR ANALYZING IMAGES

NºPublicación: US2020211228A1 02/07/2020

Solicitante:

HEALTHY IO LTD [IL]

US_2020211682_A1

Resumen de: US2020211228A1

Systems and methods for a color board for use in reagent strip testing are disclosed. One implementation may include a color board surface, a first colored reference element printed on the color board surface, and a second colored reference element printed on the color board surface. The color board may also include a test region on the color board surface configured to receive at least one reagent pad. The color board may also include a unique code, and the code may reflect specific chromatic properties associated with each of the first colored reference element and the second color reference element at a time of printing. The unique code may be machine readable to enable a machine to later normalize a comparison color, for determining chromatic properties of the at least one reagent pad.

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THREE-DIMENSIONAL PRINTED DENTAL APPLIANCES USING SUPPORT STRUCTURES

NºPublicación: US2020205936A1 02/07/2020

Solicitante:

ULAB SYSTEMS INC [US]

US_2017100210_A1

Resumen de: US2020205936A1

Systems and methods are disclosed for fabricating a dental or oral appliance utilizing support structures. A three dimensional representation of the dentition of a patient may be captured and reconfigured for correcting one or more malocclusions. The oral appliance may be printed upon an inner structure which supports the oral appliance during fabrication. The inner structure may be subsequently removed once the oral appliance is completed.

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Frame for Surgical Stapler and Associated Method of Manufacture with Stamping

NºPublicación: US2020205815A1 02/07/2020

Solicitante:

ETHICON LLC [US]

EP_3673833_A2

Resumen de: US2020205815A1

A method is used to manufacture a frame of a curved surgical stapler. The method includes manufacturing a first portion of the frame of the curved surgical stapler separate from the first portion. The first portion includes a first curvilinear portion of an end effector and a first alignment feature. The method also includes manufacturing a second portion of the frame of the curved surgical stapler. The second portion includes a second alignment feature. The method also includes manufacturing a third portion of the frame of the curved surgical stapler separate from either of the first or second portions. The third portion includes a C-shaped track. The method also includes aligning the first and second portions portion with the second portion by aligning the first and second alignment features. The method also includes coupling the first and second portions of the frame of the curved surgical stapler together.

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CELLULOSE NANOFIBRILLAR BIOINK FOR 3D BIOPRINTING FOR CELL CULTURING, TISSUE ENGINEERING AND REGENERATIVE MEDICINE APPLICATIONS

NºPublicación: US2020206385A1 02/07/2020

Solicitante:

CELLINK AB [SE]

US_2020164103_A1

Resumen de: US2020206385A1

The present invention relates to biomaterial in the form of dispersion of cellulose nanofibrils with extraordinary shear thinning properties which can be converted into desire 3D shape using 3D Bioprinting technology. In this invention cellulose nanofibril dispersion, is processed through different mechanical, enzymatic and chemical steps to yield dispersion with desired morphological and rheological properties to be used as bioink in 3D Bioprinter. The processes are followed by purification, adjusting of osmolarity of the material and sterilization to yield biomaterial which has cytocompatibility and can be combined with living cells. Cellulose nanofibrils can be produced by microbial process but can also be isolated from plant secondary or primary cell wall, animals such as tunicates, algae and fungi. The present invention describes applications of this novel cellulose nanofibrillar bioink for 3D Bioprinting of tissue and organs with desired architecture.

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PATIENT-SPECIFIC MANDIBULAR IMPLANT INSERTED INTO MANDIBULAR DEFECT REGION AND METHOD OF MANUFACTURING THE SAME

NºPublicación: US2020205984A1 02/07/2020

Solicitante:

MEDYSSEY CO LTD [KR]

KR_101996849_B1

Resumen de: US2020205984A1

Disclosed is a patient-specific mandibular implant inserted into a mandibular defect region and a method of manufacturing the same, and more particularly, to a patient-specific mandibular implant inserted into a mandibular defect region, which can be easily and rapidly manufactured using personalized three-dimensional (3D) printing technology for a defect region, can provide an effect of preparing a later step for restoring a tooth in advance, and can be easily manufactured tooth restoration data based on the Korean standard database (DB), and a method of manufacturing the same.

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STENT COMPRISING BIODEGRADABLE POLYMER AND NITINOL, AND MANUFACTURING METHOD THEREFOR

NºPublicación: WO2020138670A1 02/07/2020

Solicitante:

NAT UNIV PUSAN IND UNIV COOP FOUND [KR]
POSTECH ACAD IND FOUND [KR]

Resumen de: WO2020138670A1

The present invention relates to a stent comprising a biodegradable polymer and nitinol, and a manufacturing method therefor. More specifically, the present invention relates to a stent comprising a biodegradable polymer and nitinol, and a manufacturing method therefor, wherein a zigzag-type nitinol ring is formed to be positioned at regular intervals; the nitinol ring is coated with a biodegradable polymer to prepare a stent; the stent is manufactured by using 3D printing; due to the biodegradable polymer in the stent, the stent has remarkably excellent elasticity compared to a general metal stent, and has excellent flexibility, so as to be easily used for the knees, joints, or the like; and after being inserted into a user's blood vessel, the biodegradable polymer is impregnated in the blood vessel, and only the first stent in the zigzag form, which is manufactured to have a minimum thickness, remains and is embedded in the cells in the blood vessel, thereby being capable of significantly lowering blood vessel irritation.

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METHOD FOR MANUFACTURING ALVEOLAR BONE REGENERATION MEMBRANE

NºPublicación: WO2020138779A1 02/07/2020

Solicitante:

OSSTEM IMPLANT CO LTD [KR]

Resumen de: WO2020138779A1

An embodiment of the present invention provides a method for manufacturing an alveolar bone regeneration membrane, the method comprising: (A) a step for preparing a base film by melting and molding a synthetic polymer resin; (B) a step for pressing the base film to prepare a first polymer film; and (C) a step for alternately laminating and bonding the first polymer film and a second polymer film containing a natural polymer resin. The method satisfies the conditions below. The average pore size of the base film and the first polymer film are D1 and D2, respectively, and 0.1 ≤ D2/D1 ≤0.5.

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ORTHODONTIC METHOD AND APPARATUS BASED ON ARTIFICIAL INTELLIGENCE

NºPublicación: WO2020133180A1 02/07/2020

Solicitante:

YADIAN SOFTWARE TECH SHANGHAI CO LTD [CN]

Resumen de: WO2020133180A1

The present invention provides an orthodontic method and apparatus based on artificial intelligence. The method comprises: obtaining labeled oral CT image data, in the labeled oral CT image data, the tooth region on each image frame being circled in the form of a label, the circled region being labeled with the corresponding tooth number, and a non-tooth region being set to 0; inputting the labeled oral CT image data into a second generator to obtain an orthodontic scheme represented in an encoded form; obtaining a printable dentition model according to the orthodontic scheme and a teeth three-dimensional digital model obtained on the basis of the labeled oral CT image data; and making an orthodontic device on the basis of the dentition model. In the present invention, a variety of machine learning models are used, the automation of the entire process from teeth three-dimensional digitalization to model manufacturing is achieved, the present invention would not be easily be affected by the subjective factors of doctors, and diagnosis and treatment efficiency can be improved.

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エネルギー線硬化性立体造形用組成物

NºPublicación: JP2020100705A 02/07/2020

Solicitante:

クラレノリタケデンタル株式会社

Resumen de: JP2020100705A

【課題】立体造形により造形可能な硬化性を有し、立体造形によって成形したときの造形精度、造形物の色調及び色調安定性に優れるエネルギー線硬化性立体造形用組成物の提供。【解決手段】光重合開始剤(a)、エネルギー線吸収剤(b)、及び重合性単量体(c)を含有する、エネルギー線硬化性立体造形用組成物。ただし、λnmが400〜445nmの範囲のいずれかの値であり、当該λnmにおける吸光係数をAS、450nmにおける吸光係数をANとしたとき、エネルギー線吸収剤(b)のAS/ANが10.0以上である。【選択図】なし

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NANOCOMPOSITES COMPRISING BIODEGRADABLE POLYMERS AND INORGANIC NANOPARTICLES, METHODS OF PREPARATION AND USES THEREOF

NºPublicación: WO2020136656A1 02/07/2020

Solicitante:

YEDA RES & DEV [IL]
UNIV RAMOT [IL]

Resumen de: WO2020136656A1

This invention is directed to nanocomposite comprising biodegradable polymers and inorganic nanoparticles or nanotubes, methods of preparation and uses thereof.

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A CROSS-LINKED SHEAR THINNING FLUID WITH TUNABLE RHEOLOGY FOR 3D BIOPRINTING AND DRUG DELIVERY

NºPublicación: JP2020519376A 02/07/2020

Solicitante:

コーニングインコーポレイテッド

US_2020061193_A1

Resumen de: WO2018208632A1

Cross-linked shear-thinning fluids of pectic acid demonstrating increased viscosity with decreasing shear, as well as methods of producing and using the same. A shear-thinning fluid includes an aqueous solution of pectic acid cross-linked by a divalent cation is disclosed. The pectic acid may be present in an amount ranging from about 0.5 to about 3.0 % (w/v), the divalent cation may be present at a concentration of from about 0.5 mM to about 7.0 mM, and the viscosity of the shear-thinning fluid increases with decreasing shear. These cross-linked shear-thinning fluids of pectic acid can be utilized for controlled release formulations, cell encapsulation, and 3D printing, and provide for an improved balance between structure fidelity/mechanical stability and cell viability.

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3-D PRINTING OF BONE GRAFTS

NºPublicación: EP3673873A1 01/07/2020

Solicitante:

WARSAW ORTHOPEDIC INC [US]

CN_108859127_A

Resumen de: EP3673873A1

A computer implemented method of fabricating a mesh bag (70) for a mesh implant through use of a 3-D printing device (10). The method comprising: a step for inputting instructions for a computer processor (102) to carry out the fabrication; a step (220) for aligning a printing surface (12), a base (16) and a print head (30) relative to one another; a step (230) for depositing material (40) onto the printing surface (12); a step (240) for rotating the printing surface (12) and moving the base (16) to create a mesh pattern; a step (250) for solidifying the material (40) on the printing surface (12); a step (251) for 3-D printing of the mesh bag (70) having a compartment (81) that is accessible through an opening; a step (252) for filling the compartment (81) with bone material; a step (253) for enclosing mesh bag (70) by 3-D printing a covering for enclosing the bone material within the compartment (81) of the mesh bag (70); and a and step (260) for removing the 3-D formed and covered mesh bag (70). A mesh implant comprising a mesh bag (70) including a compartment (81) filled with bone material prepared by the computer implemented method is also provided.

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COMPOSITION COMPRISING WHARTON'S JELLY, METHOD FOR PREPARING SAME AND USES THEREOF

NºPublicación: EP3672607A1 01/07/2020

Solicitante:

TBF GENIE TISSULAIRE TBF [FR]

Resumen de: WO2019038411A1

The invention relates to a biomaterial consisting of a ground material of Wharton's jelly which has been virally inactivated and which may be freeze-dried, and to the method for producing same. The invention also relates to a composition comprising at least said biomaterial, which may be freeze-dried, and also to the method for producing same. The composition according to the present invention is intended to be used in tissue healing. In one particular embodiment, the composition is used in the treatment of a skin lesion or treatment of a lesion of the ocular surface. In another embodiment, the composition is used in bone filling, or for filling a dental alveolus. The present invention also relates to the use of the composition as a coating factor in bioprinting.

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CERAMIC PART HAVING AT LEAST ONE CERAMIC FOAM FOR MEDICAL APPLICATIONS

Nº publicación: EP3672649A1 01/07/2020

Solicitante:

CERAM GMBH [DE]

Resumen de: WO2019038145A1

The invention relates to the use of ceramic parts that at least partly consist of a ceramic foam in the field of medical technology.

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