BIOIMPRESIÓN 3D

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Resultados 157 resultados LastUpdate Última actualización 20/01/2022 [12:44:00] pdf PDF xls XLS

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



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ADDITIVE MANUFACTURED PART WITH ENHANCED RIGIDITY AND METHOD OF MANUFACTURING THE SAME

NºPublicación: EP3937996A1 19/01/2022

Solicitante:

A M TOOLBOX LLC [US]

US_2021245437_A1

Resumen de: WO2020227357A1

An additive manufactured part is formed as a solid body of material including additive manufacturing powder, binder material supporting the powder in the shape of the solid body, and strengthening resin infused within the solid body. The additive manufacturing powder can be sand. The infused resin can be a two-part resin wherein an inert gas is added to the mixture of the two parts of the two-part resin during mixing. The infused resin can be infused inwardly from the peripheral surface of the solid body and can penetrate partially or fully through the thickness of the solid body.

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AN ORTHOPAEDIC TRAUMA PLATE AND METHOD FOR FORMING SAME

NºPublicación: EP3937852A1 19/01/2022

Solicitante:

NAT UNIV SINGAPORE [SG]
NAT UNIV HOSPITAL SINGAPORE PTE LTD [SG]

CN_113840574_PA

Resumen de: WO2020185168A1

The present invention disclosed is a method for forming an orthopaedic implant. The method comprises determining one or more parameters of a bone, of a subject, to which the implant is to be attached; and calculating specification based on the one or more parameters. The specifications comprise a mechanical property relating to elasticity of the implant; a length of the implant; and positions of two or more fixation locations by which to fix the implant to the bone. The method further comprises forming the implant based on the specifications. In specific embodiment, the implant is formed by using additive manufacturing or 3-dimensional printing. In another specific embodiment, the implant is formed with an internal lattice structure to promote osteoinduction or osteoconduction.

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METHOD FOR GENERATING A PARTIALLY-CURED ITEM, A PARTIALLY-CURED ITEM AND A CURED OBJECT

NºPublicación: EP3938175A1 19/01/2022

Solicitante:

PRO3DURE MEDICAL GMBH [DE]

CA_3132247_PA

Resumen de: EP3708336A1

The invention relates to a method for partial curing of an initial photoreactive material for 3D printing, comprising the steps of:a) providing an item (1) comprising the initial photoreactive material for 3D printing,b) a partial irradiation step comprising irradiating at least one curing section (20) of the initial photoreactive material for 3D printing of the item with a curing irradiation, yielding at least one cured section (120) of a partially-cured item (10), and at least one semi-curing section (40) of the initial photoreactive material of the item is irradiated with a semi-curing irradiation, yielding at least one semi-cured section (140) of the partially-cured item.

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IMPLANTABLE MEDICAL DEVICE WITH THERMOPLASTIC COMPOSITE BODY AND METHOD FOR FORMING THERMOPLASTIC COMPOSITE BODY

NºPublicación: EP3937858A1 19/01/2022

Solicitante:

HAPPE SPINE LLC [US]

CN_113811266_PA

Resumen de: WO2020186103A1

An implantable medical device is disclosed comprising a thermoplastic composite body having anterior, first lateral, second lateral, posterior, superior, and inferior surfaces, and at least one dense portion and at least one porous portion which are integrally formed. The at least one dense portion is formed of a first thermoplastic polymer matrix that is essentially non-porous, and which is continuous through a thickness dimension from the superior surface to the inferior surface. The at least one porous portion is formed of a porous thermoplastic polymer scaffold having a second thermoplastic polymer matrix which is continuous through the thickness dimension. A method for forming the thermoplastic composite body is disclosed comprising disposing a first powder mixture in a first portion of a mold, disposing a second powder mixture in a second portion of the mold, simultaneously molding the first powder mixture and the second powder mixture, and leaching porogen.

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METHOD FOR PRODUCING A CONNECTING ELEMENT

NºPublicación: US2022008239A1 13/01/2022

Solicitante:

OTTOBOCK SE & CO KGAA [DE]

DE_102020108877_A1

Resumen de: US2022008239A1

The invention relates to a method for producing a connecting element for connecting two components of an orthopedic device for a body part, wherein the method includes capturing three-dimensional scan data of at least one part of the body part by means of a scanner, determining a target position and/or target orientation of the connecting element relative to the body part from the scan data, modelling the connecting element using the scan data, the target position and/or the target orientation and information on the components to be connected, and producing the modelled connecting element.

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BONE SIALOPROTEIN FUNCTIONALIZED MATERIALS FOR DIRECTED BONE REGENERATION

NºPublicación: US2022008620A1 13/01/2022

Solicitante:

IMMUNDIAGNOSTIK AG [DE]
UNIV MAINZ JOHANNES GUTENBERG [DE]

WO_2020094880_A2

Resumen de: US2022008620A1

A prosthetic polylactide or collagen-containing scaffold material for treating osseous defects and neogenesis of bone, obtained by printing a scaffold composed of strings of polylactide and porous microstructures which allow passage and ingrowth of bone tissue. A soluble mixture of BSP and/or collagen is provided, and BSP and/or collagen is applied onto the strings and in the pores of the printed body to obtain a prosthetic material which induces tissue-directed ingrowth of bone tissue as well as repair and healing of damaged or diseased bone tissues and lesions. The prosthetic material is osseo-inductive and osseo-conductive. The BSP in the prosthetic scaffold material induces a tissue-directed growth of osseous tissue. No undirectional callous or overgrowing bone and cartilage tissue is observed.

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ANTIBACTERIAL BIOMEDICAL IMPLANTS AND ASSOCIATED MATERIALS, APPARATUS, AND METHODS

NºPublicación: US2022008627A1 13/01/2022

Solicitante:

SINTX TECH INC [US]

Resumen de: US2022008627A1

Methods for improving the antibacterial and/or bone-forming characteristics of biomedical implants and related implants manufactured according to such methods. In some implementations, a biomedical implant may comprise a composite of a silicon nitride ceramic powder dispersed within a poly-ether-ether-ketone (PEEK) or a poly-ether-ketone-ketone (PEKK) substrate material. In some implementations, the biomedical implant may be 3D printed.

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DEVICES, SYSTEMS, AND METHODS FOR THE FABRICATION OF TISSUE

NºPublicación: US2022009156A1 13/01/2022

Solicitante:

ORGANOVO INC [US]

US_2022009158_A1

Resumen de: US2022009156A1

Described herein are bioprinters comprising: one or more printer heads, wherein a printer head comprises a means for receiving and holding at least one cartridge, and wherein said cartridge comprises contents selected from one or more of: bio-ink and support material; a means for calibrating the position of at least one cartridge; and a means for dispensing the contents of at least one cartridge. Further described herein are methods for fabricating a tissue construct, comprising: a computer module receiving input of a visual representation of a desired tissue construct; a computer module generating a series of commands, wherein the commands are based on the visual representation and are readable by a bioprinter; a computer module providing the series of commands to a bioprinter; and the bioprinter depositing bio-ink and support material according to the commands to form a construct with a defined geometry.

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DEVICES, SYSTEMS, AND METHODS FOR THE FABRICATION OF TISSUE

NºPublicación: US2022009158A1 13/01/2022

Solicitante:

ORGANOVO INC [US]

US_2022009157_A1

Resumen de: US2022009158A1

Described herein are bioprinters comprising: one or more printer heads, wherein a printer head comprises a means for receiving and holding at least one cartridge, and wherein said cartridge comprises contents selected from one or more of: bio-ink and support material; a means for calibrating the position of at least one cartridge; and a means for dispensing the contents of at least one cartridge. Further described herein are methods for fabricating a tissue construct, comprising: a computer module receiving input of a visual representation of a desired tissue construct; a computer module generating a series of commands, wherein the commands are based on the visual representation and are readable by a bioprinter; a computer module providing the series of commands to a bioprinter; and the bioprinter depositing bio-ink and support material according to the commands to form a construct with a defined geometry.

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DEVICE FOR TABLETING A PULVERULENT, LIQUID, PASTY, ENCAPSULATED, OR GRANULAR ACTIVE INGREDIENT COMPOSITION

NºPublicación: DE112019006582A5 13/01/2022

Solicitante:

SCHMITT FRITZ [LU]

CN_113873903_PA

Resumen de: WO2020143864A1

The invention relates to a device for tableting a pulverulent, liquid, pasty, encapsulated, or granular active ingredient composition, having a hopper (1), which has a plurality of active ingredient containers (2), each of which is provided with an individually controllable dosing unit (3) and a nozzle (4) for discharging the active ingredient, wherein the hopper (1) is adjustable between a plurality of adjustment positions relative to at least one die chamber (5), wherein in each of the adjustment positions, at least one of the nozzles (4) faces an opening (6) in the die chamber (5). A corresponding method is also described.

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Verfahren zum Herstellen eines 3-dimensionalen Objektes und Vorrichtung dazu

NºPublicación: DE102020118034A1 13/01/2022

Solicitante:

OTTOBOCK SE & CO KGAA [DE]

Resumen de: DE102020118034A1

Die Erfindung betrifft ein Verfahren zum Herstellen eines 3-dimensionalen Objektes mittels eines additiven Fertigungsverfahrens, bei dem aus wenigstens einer Einbringöffnung einer Einbringnadel wenigstens ein Fertigungsmaterial in einem fließfähigen Zustand in ein Stützmaterial eingebracht wird und danach aushärtet, wobei das Fertigungsmaterial in mehreren Lagen nacheinander eingebracht wird, wobei die Einbringnadel wenigstens ein Werkzeug aufweist, durch das beim Einbringen einer aktuellen Lage des Fertigungsmaterials wenigstens eine vorhergehende Lage bearbeitet wird.

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Polymer Filament Reinforced Scaffold for Partial Meniscus Regeneration

NºPublicación: US2022008209A1 13/01/2022

Solicitante:

UNIV RUTGERS [US]

US_2019380838_A1

Resumen de: US2022008209A1

A method for fabricating a resorbable scaffold for regeneration of meniscal tissue is disclosed. The method includes fabricating a polymer filament network using 3D printing in accordance with a digital model of the polymer filament network, such that the polymer filament network will include a first plurality of layers comprising the circumferentially-oriented filaments alternating with a second plurality of layers comprising the radially-oriented filaments, the polymer filament network having a three-dimensional shape and geometry between a first layer and a second layer which is substantially the same as a three-dimensional shape and geometry of the resorbable scaffold.

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METHOD FOR GENERATING DENTAL MODELS BASED ON AN OBJECTIVE FUNCTION

NºPublicación: US2022008175A1 13/01/2022

Solicitante:

3SHAPE AS [DK]

CN_113728363_A

Resumen de: US2022008175A1

A computer-implemented method of generating a dental model based on an objective function output, including creating an objective function including at least one quality estimation function which trains at least one machine learning method that generates quality estimation output, and an objective function output is the output of the objective function providing a model as an input data to the objective function and generating model-related objective function output; and modifying the model based on the model-related objective function output to transform the model to a generated model, wherein the generated model is the dental model.

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HUMAN IMPLANT

NºPublicación: US2022008204A1 13/01/2022

Solicitante:

INGROWTH BIOTECH CO LTD [TW]

CN_113907921_PA

Resumen de: US2022008204A1

A human implant includes at least one osteoconductive scaffold and at least one main carrier. The at least one osteoconductive scaffold is made of a metal material, is manufactured by 3D printing, and has at least one connecting portion, at least one separation element, and a proliferation portion. The at least one connecting portion is porous. The at least one separation element is disposed on one of two sides of the at least one connecting portion. The proliferation portion is disposed on one of two sides of the at least one separation element away from the at least one connecting portion, wherein osteoblasts proliferate in the proliferation portion. The at least one main carrier is made of a medical macromolecular material and is mounted to the at least one connecting portion being porous, such that the at least one main carrier is mounted to the at least one osteoconductive scaffold.

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PATIENT SPECIFIC SURGICAL GUIDE LOCATOR AND MOUNT

NºPublicación: US2022008085A1 13/01/2022

Solicitante:

MICROPORT ORTHOPEDICS HOLDINGS INC [NL]

US_2020281606_A1

Resumen de: US2022008085A1

A resection guide locator includes a bone engagement portion with surfaces that are complementary to the surface topographies of a bone to be resected during surgery. A housing includes a socket defined by a resilient annular wall that is sized and arranged so to accept a resection guide by press-fit to thereby position and hold the resection guide within the socket. The resection guide is maintained in a predetermined, preferred position while the surfaces are releasably locked in position on the bone. A method is disclosed for forming and using the resection guide locator.

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DEVICES, SYSTEMS, AND METHODS FOR THE FABRICATION OF TISSUE

NºPublicación: US2022009157A1 13/01/2022

Solicitante:

ORGANOVO INC [US]

US_2022009158_A1

Resumen de: US2022009157A1

Described herein are bioprinters comprising: one or more printer heads, wherein a printer head comprises a means for receiving and holding at least one cartridge, and wherein said cartridge comprises contents selected from one or more of: bio-ink and support material; a means for calibrating the position of at least one cartridge; and a means for dispensing the contents of at least one cartridge. Further described herein are methods for fabricating a tissue construct, comprising: a computer module receiving input of a visual representation of a desired tissue construct; a computer module generating a series of commands, wherein the commands are based on the visual representation and are readable by a bioprinter; a computer module providing the series of commands to a bioprinter; and the bioprinter depositing bio-ink and support material according to the commands to form a construct with a defined geometry.

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DEVICE AND METHOD FOR TREATING TISSUE

NºPublicación: EP3934549A1 12/01/2022

Solicitante:

BOSONIC AG [CH]

CN_113811253_PA

Resumen de: WO2020182775A1

The invention resides in the field of medical technology and concerns a device for ablating tissue. It relates in particular to a sonotrode suitable for use with an ultrasonic surgical instrument. The invention refers further to an ultrasonic surgical instrument for ablating tissue comprising such a sonotrode as well as a method for manufacturing the sonotrode of the invention and a method of ablating using the sonotrode of the invention.

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METHOD FOR PROVIDING A 3D-PRINT DATA SET OF A DENTAL MODEL STRUCTURE, COMPUTER PROGRAM PRODUCT, DENTAL MODEL STRUCTURE, MOUNTING PLATE AND DENTAL MODEL SYSTEM

NºPublicación: EP3934566A1 12/01/2022

Solicitante:

SAM PRAEZ GMBH [DE]

WO_2020182601_A1

Resumen de: EP3705079A1

The invention relates to a method for providing a 3D-print data set of a dental model structure (100) to be mounted on an articulator (5), comprising:- providing an articulator data set of the articulator (5) on which the dental model structure (100) is to be mounted;- providing a dental situation data set which represents a dental situation of an upper jaw and/or a lower jaw, the dental situation data set including data to display the dental situation as a virtual representation of the dental situation on a display;- selecting at least one distance element (20) from a plurality of different predefined and/or prefabricated distance elements based on the articulator data set and the dental situation data set;- generating a connecting structure data set representing at least a virtual connecting structure (15) arranged between the virtual representation of the dental situation and a virtual representation of the at least one selected distance element; and- generating the 3D-print data set based on the dental situation data set and the connecting structure data set.Furthermore, the invention relates to a corresponding computer program product, a dental model structure, a mounting plate and a dental model system.

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STEREOLITHOGRAPHICALLY PRODUCED SHAPED DENTAL PARTS AND METHOD FOR PRODUCTION FROM PHOTOPOLYMERIZABLE COMPOSITE RESIN COMPOSITIONS

NºPublicación: EP3934606A1 12/01/2022

Solicitante:

MUEHLBAUER TECH GMBH [DE]

Resumen de: WO2020177921A1

The invention relates to the use of flowable, photopolymerizable composite resin compositions that comprise a nanoscale organic surface-modified filler for stereolithographically producing a shaped dental part and to a method for producing corresponding shaped dental parts. The method according to the invention is particularly simple, fast, reliable and cost-effective. It allows improved shaped dental parts to be produced, in particular improved bridges and crowns.

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POLYMER SUITABLE FOR ADDITIVE MANUFACTURING

NºPublicación: EP3935099A1 12/01/2022

Solicitante:

POLY MED INC [US]

KR_20210137119_PA

Resumen de: WO2020181236A1

Polymers and formulated compositions are designed to have properties that allow their effective use in additive manufacturing processes, particularly for preparing articles wherein molten monofilament polymer is laid down on top of a previously deposited line of molten monofilament polymer.

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DENTURE PREPARATION ASSEMBLY, METHOD AND APPARATUS

NºPublicación: EP3934565A1 12/01/2022

Solicitante:

IMPLANT SOLUTIONS PTY LTD [AU]

AU_2020232981_A1

Resumen de: WO2020176949A1

The invention concerns an apparatus for a denture preparation assembly, comprising an impression tray piece for insertion into the mouth of the patient and to receive impression material and a dental model jig attachable to the impression tray piece, said dental model jig including model teeth, wherein the attachment between the impression tray piece and the dental model jig is adjustable to allow the dental model jig to be moved in the mouth of the patient to a desired position relative to the impression tray piece, said relative position being retainable to allow scanning of the impression material and the dental model jig. The invention assists in 3D scanning for digital design/manufacture of dentures, and allows the model teeth to be positioned and orientated in the patient's mouth relative to the impression material in the impression tray piece in the patient's mouth, the position and orientation being retained when the apparatus is removed.

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JET INJECTION SYSTEM

NºPublicación: EP3934719A1 12/01/2022

Solicitante:

UNIV TWENTE [NL]

NL_2025071_A

Resumen de: WO2020182665A1

A jet injection system (10) comprising (i) a microfluidic device (100) for jet ejection and (ii) a laser-based heating system (200), wherein: - the microfluidic device (100) comprises a hosting chamber (110) defined by a chamber wall (120), the hosting chamber (110) having a chamber height he selected from the range of 5 - 400 μm, a chamber width wc selected from the range of 2hc - 10hc, and a chamber length lc defined by a first chamber end (111) and a second chamber end (112), wherein the second chamber end (112) comprises a first chamber opening (131) for jet ejection from the hosting chamber (110), and wherein the hosting chamber (110) is configured to host a liquid (50); - the laser-based heating system (200) is configured to provide laser radiation (201) to one or more of the chamber wall (120) and a liquid (50) in the hosting chamber (110).

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MICRONEEDLES AND METHODS OF MANUFACTURE THEREOF

NºPublicación: CN113908424A 11/01/2022

Solicitante:

佐治亚科技研究公司

US_2021016071_A1

Resumen de: WO2015164840A1

A microneedle array is provided for administrating a drug or other substance into a biological tissue. The array includes a base substrate; a primary funnel portion extending from one side of the base substrate; and two or more solid microneedles extending from the primary funnel portion, wherein the two or more microneedles comprise the substance of interest. Methods for making an array of microneedles are also provided. The method may include providing a non-porous and gas-permeable mold having a two or more cavities each of which defines a microneedle; filling the cavities with a fluid material which includes a substance of interest and a liquid vehicle; drying the fluid material to remove at least a portion of the liquid vehicle and form a plurality of microneedles that include the substance of interest, wherein the filling is conducted with a pressure differential applied between opposed surfaces of the mold.

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选区激光融化钴铬合金的制备方法以及钴铬义齿合金材料

NºPublicación: CN113909497A 11/01/2022

Solicitante:

江西金石三维智能制造科技有限公司

Resumen de: CN113909497A

本发明适用材料技术领域,提供选区激光融化钴铬合金的制备方法及钴铬义齿合金材料,包括:将钴铬合金置于选区激光设备中进行融化处理,选区激光融化工艺参数为激光功率200‑400W,光斑直径0.01‑0.05mm,扫面速度500‑700mm/s,铺粉层厚0.01‑0.03mm;将经选区激光融化处理的钴铬合金放入真空炉,以100‑120℃/min的升温速率升到800‑1100℃,保温20‑50min进行退火处理,随温冷却。本发明可成型出高精度钴铬义齿合金材料,分别在X方向产生的误差为0.1‑0.27%、Y方向生产的误差为0.2‑0.3%、Z方向生产的误差为0.3‑0.5%,且具有优异的力学性能。

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一种3D打印血管移植材料及其组合物和制备方法

Nº publicación: CN113908334A 11/01/2022

Solicitante:

江苏集萃新型药物制剂技术研究所有限公司

Resumen de: CN113908334A

本发明一种3D打印血管移植材料及其组合物和制备方法。该3D打印血管移植材料的组合物包括相互独立存放的主架组和接头组,其中所述主架组包括第一高分子量聚合物A和第一低分子量聚合物B以及任选的第一药物,所述接头组包括第二高分子量聚合物C和第二低分子量聚合物D以及任选的第二药物;其中,所述第一高分子量聚合物A和第二高分子量聚合物C的分子量各自独立地为20k‑100kDa;所述第一低分子量聚合物B和第二低分子量聚合物D的分子量各自独立地为200‑5000Da。本发明的3D打印血管移植材料利用3D技术,将生物可降解材料制备成适合人体需要的各种形态的血管移植物,尤其是能够作为小直径血管的人造血管移植物。

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