3D BIOPRINTING

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Resultados 150 results. LastUpdate Updated on 05/02/2023 [12:19:00] pdf PDF xls XLS

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



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METHOD FOR PRODUCING THREE-DIMENSIONAL MOLDED OBJECTS

Publication No.: WO2023008233A1 02/02/2023

Applicant:

TOKUYAMA DENTAL CORP [JP]

Absstract of: WO2023008233A1

Provided is a method for producing a three-dimensional molded object, said method comprising: a molding step of obtaining a molded article that has a shape corresponding to a target shape and contains in its interior an effective amount of a photopolymerization initiator, said molded article being obtained by a vat photopolymerization method that uses a liquid photocurable composition comprising a radical-polymerizable monomer, an inorganic filler, a photopolymerization initiator, an activation light absorber, and a polymerization inhibitor; and a post-polymerization step of polymerizing the unpolymerized component present in the molded article by irradiating the molded article with activation light at an irradiation intensity of 10-10,000 mW/cm2 and thereafter heating at a temperature of at least 50°C but less than 110°C. Also provided is a method for producing a dental restoration material, wherein the dental restoration material is produced by the instant method for producing a three-dimensional molded object.

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PIN GUIDE AND SCREW GUIDE FOR SURGERY OF ARTIFICIAL SHOULDER JOINT

Publication No.: WO2023008942A1 02/02/2023

Applicant:

ANYMEDI INC [KR]

Absstract of: WO2023008942A1

A pin guide for surgery of a shoulder joint for inserting a reference pin for setting an implantation position or direction of an artificial shoulder joint implant in a glenoid of a scapula, the pin guide comprisingcomprises: a guide body including a contact surface contacting the glenoid on one surface thereof; a guide protrusion extending from one side of the contact surface of the guide body and spanning the front portion of the scapula located in front of the glenoid; and a pinhole formed in the guide body and into which the reference pin is inserted, wherein the size of the pinhole has a diameter corresponding to the diameter of the reference pin. The pin guide for surgery of a shoulder joint makes it possible to plan and operate a surgery in consideration of the anatomical shape of the glenoid of the scapula, which is different for each patient, thereby facilitating the surgery to shorten the surgical time and reduce side effects.

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Dermal fillers and applications thereof

Publication No.: AU2023200188A1 02/02/2023

Applicant:

COLLPLANT LTD

JP_2021526395_A

Absstract of: AU2023200188A1

The disclosure herein relates to photoinitiated dermal fillers, hyaluronic acid-rhCollagen double crosslinked dermal fillers and hyaluronic acid-rhCollagen semi interpenetrated network, each comprising plant-derived human collagen, as well as methods of using the same. 19353998_1 (GHMatters) P114801.AU.1

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HYDROGEL THREE-DIMENSIONAL PRINTING

Publication No.: US2023029475A1 02/02/2023

Applicant:

HEWLETT PACKARD DEV COMPANY L P [US]

WO_2021154250_A1

Absstract of: US2023029475A1

This disclosure describes hydrogel three-dimensional printing kits, methods of three-dimensional printing hydrogels, and hydrogel three-dimensional printing systems. In one example, a hydrogel three-dimensional printing kit can include a particulate build material and a crosslinking agent. The particulate build material can include from about 90 wt % to 100 wt % of a polyhydroxylated swellable polymer. The crosslinking agent can include water and a crosslinker that is reactive with hydroxyl groups of the polyhydroxylated swellable polymer to crosslink the polyhydroxylated swellable polymer.

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DIRECT APPLICATION SYSTEM AND METHOD FOR THE DELIVERY OF BIOACTIVE COMPOSITIONS AND FORMULATIONS

Publication No.: US2023033858A1 02/02/2023

Applicant:

AQUAVIT PHARMACEUTICALS INC [US]

US_2020121769_A1

Absstract of: US2023033858A1

The embodiments relate to improved skin quality, health and appearance using a new delivery method and certain bioactive compositions and formulations. The system incorporates microneedle delivery technology with unique compositions and formulations. Such development allows for the pursuit of personalized medicine, or treatment delivery that can expand to remote controlled environment, immediate compounding and ultimate personalization with a state of the art longitudinal data predictive analytics. Certain formulations described herein are unique, combinatory and synergistic. Secured by high-tech proprietary system, there are unlimited potentials using AQT technology including but not limited to 3-D printing of a biodegradable micro chips that can be delivered via injection, AQT or any other possible route.

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THREE-DIMENSIONAL LATTICE STRUCTURES FOR IMPLANTS

Publication No.: US2023035646A1 02/02/2023

Applicant:

NANOHIVE MEDICAL LLC [US]

US_2020330233_A1

Absstract of: US2023035646A1

The three-dimensional lattice structures disclosed herein have applications including use in medical implants, Some examples of the lattice structure are structural in that they can be used to provide structural support or mechanical spacing In some examples, the lattice can be configured as a scaffold to support bone or tissue growth Some examples can use a repeating modified rhombic dodecahedron or radial dodeca-rhombus unit cell. The lattice structures are also capable of providing a lattice structure with anisotropic properties to better suit the lattice for its intended purpose.

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DIRECT FABRICATION OF ALIGNERS FOR PALATE AND ARCH EXPANSION

Publication No.: CN115645091A 31/01/2023

Applicant:

阿莱恩技术有限公司

US_2021369413_A1

Absstract of: WO2017006176A1

Systems, methods, and devices for producing appliances for expansion of the arch or palate of a patient are provided. In one aspect, a palate expanding orthodontic appliance comprises a teeth engagement portion comprising a plurality of teeth engagement structures and a force generating portion coupled to the teeth engagement portion and configured to apply force to cause the patient's palate to expand. In another embodiment, an arch expanding appliance comprises a force generating portion to apply an arch expansion force and a retention portion to hold the force generating portion on the teeth. The force generating portion is stiffer than the retention portion. The orthodontic appliances can be designed according to the specifications provided herein and manufactured using direct fabrication methods.

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INK SET

Publication No.: CN115667432A 31/01/2023

Applicant:

花王株式会社

JP_2021183685_A

Absstract of: WO2021235462A1

The present invention relates to an ink set to be used for printing wherein between 100 and 5,000 pL inclusive of ink droplets are discharged. The ink set comprises at least two types of ink, inks A and B. In the CIE L*a*b* color space, the ink A coordinate values (L* A, a* A, b* A) and the ink B coordinate values (L* B, a* B, b* B) fulfill all of conditions 1 to 3. Condition 1: Both coordinate values a* A and a* B fall between 5 and 35 inclusive, and both coordinate values b* A and b* B fall between 10 and 40 inclusive. Condition 2: The hue angles hA and hB, represented by formulae (II-1) and (II-2), both fall between 40 and 70 degrees inclusive. Condition 3: The chroma difference ΔC, represented by formula (III), falls between 2 and 20 inclusive.

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一种具有生物相容性的磁控微纳机器人及其制作方法和应用

Publication No.: CN115651451A 31/01/2023

Applicant:

南方科技大学

Absstract of: CN115651451A

本发明属于微纳机器人技术领域,特别涉及一种具有生物相容性的磁控微纳机器人及其制作方法和应用。该磁控微纳机器人包括层叠设置的磁性层和光敏层,所述磁性层为组成包括磁性纳米粒子与天然高分子的磁性分散液干燥形成的涂层。本发明采用磁性纳米粒子与天然高分子的分散液直接干燥形成磁控微纳机器人的磁性层,由于磁性纳米粒子难以分散,本发明利用天然高分子作为分散剂,能够很好地实现对磁性纳米粒子的分散,形成均匀稳定的分散液,经干燥可形成均匀的磁性层,使得磁控微纳机器人能够在磁场作用下实现运动。同时,利用交联后的天然高分子作为构建磁控微纳机器人的材料,使得磁控微纳机器人表现出良好的生物友好及相容性。

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一种具有防交叉感染功能的调查设备

Publication No.: CN115648819A 31/01/2023

Applicant:

四川大学华西医院

Absstract of: CN115648819A

本发明提出了一种具有防交叉感染功能的调查设备,涉及医院调查设备技术领域。一种具有防交叉感染功能的调查设备,包括设备本体,设备本体的两侧分别设有第一箱体和第二箱体,第一箱体的内部旋转连接有第一旋转杆,第二箱体的内部旋转连接有第二旋转杆,第一箱体和第二箱体上分别设有第一通槽和第二通槽,第一旋转杆和第二旋转杆上均绕设有保护膜,保护膜的活动端分别贯穿第一通槽和第二通槽,调查设备的外侧壁上设有用于驱动第二旋转杆转动的驱动装置。本发明能够防止在医院内的自助调查设备上出现交叉感染的现象,能够及时的对自助调查设备进行隔离防护,大幅度减少交叉感染现象的发生。

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一种基于3D打印的义齿制造辅助设备

Publication No.: CN218399462U 31/01/2023

Applicant:

苏州市康力骨科器械有限公司

Absstract of: CN218399462U

本实用新型涉及一种基于3D打印的义齿制造辅助设备,包括打印机箱体,所述打印机箱体的内底壁设置有固定座结构,固定座结构的顶部滑动连接有滑移座结构,滑移座结构的顶部插接有加工平台面;所述固定座结构包括设置在打印机箱体内底壁上的底板、固定连接在底板背面的挡板,以及固定连接在底板顶部的两个L形板。该基于3D打印的义齿制造辅助设备,通过将插块与插槽插装,将平台软板贴合到中间板顶部进行安装,直接插拔即可对加工平台面进行拆装,拆装之后便于对义齿卸料,通过滑移座结构与固定座结构的相对滑动,便于将加工平台面抽出到打印机箱体外,再对加工平台面与固定座结构分离,便于对义齿的卸料。

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METHOD FOR PRODUCING AN INTRAOCULAR LENS, AND PRODUCTION DEVICE

Publication No.: CN115666914A 31/01/2023

Applicant:

卡尔蔡司医疗技术股份公司

DE_102020108375_PA

Absstract of: WO2021191034A1

The invention relates to a method for producing an intraocular lens (10), comprising the following steps: - providing a container (3) which is transparent to electromagnetic radiation, in which container there is a liquid which can be cured by the electromagnetic radiation; - irradiating the liquid (7) with a set of images (11) which are formed by the electromagnetic radiation and each show an intraocular lens (10), wherein each of the images (11) of the set is irradiated into the liquid at a different irradiation angle (ϴ) with respect to a reference plane (20) extending through the liquid (7), as a result of which the liquid (7) is cured and the cured liquid (7) forms the intraocular lens (10), wherein an actuator (13), a solar module and/or a sensor (18) are arranged in the liquid (7) and the intraocular lens (10) is formed around the actuator (13), the solar module and/or the sensor (18).

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SYSTEMS AND METHODS FOR MANUFACTURE OF A PATIENT INTERFACE AND COMPONENTS THEREOF

Publication No.: CN115668199A 31/01/2023

Applicant:

瑞思迈亚洲私人有限公司

JP_2022547095_PA

Absstract of: WO2021045688A1

Systems and methods producing a customised patient respiratory interface are disclosed. Data representative of one or more landmark features of a head of a human is obtained. One or more landmark feature locations of the landmark features are identified based on the data. A set of manufacturing specifications for production of the patient respiratory interface component is determined based on the one or more landmark feature locations. The patient respiratory interface component is produced based on the set of manufacturing specifications.

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DRUG FORMULATIONS

Publication No.: CN115666530A 31/01/2023

Applicant:

诺丁汉大学

WO_2021156607_A1

Absstract of: WO2021156607A1

The invention relates to methods of producing solid drug formulations using advanced manufacturing techniques, such as 3D printing, where there is a requirement for low viscosity. The invention uses a photo-reactive material in liquid form, the photo-reactive material comprising: (a) prodrug monomer that comprises an active pharmaceutical ingredient in a prodrug form, in which the active pharmaceutical ingredient is releasably attached to a polymerisable group via a releasable covalent bond, and, optionally, (b) diluent monomer that comprises a polymerisable group.

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A method for processing a 3D intraoral model and an apparatus for performing the same method

Publication No.: KR20230014604A 30/01/2023

Applicant:

주식회사메디트

Absstract of: KR20230014604A

실시예들에 따라 삼차원 구강 모델 처리 방법 및 장치가 개시된다. 개시된 삼차원 구강 모델을 처리하는 방법은, 대상체를 스캔함으로써 얻어진 스캔 데이터를 획득하는 동작,상기 스캔 데이터를 기반으로 베이스의 테두리를 생성하는 동작,상기 스캔 데이터로부터 치은 영역을 획득하는 동작, 상기 치은 영역과 상기 베이스의 테두리 사이에 메쉬를 생성하여 연결하되, 입천장에 대응하는 위치에 보조선을 이용하여 상기 메쉬를 생성함으로써 치아 모형 데이터를 획득하는 동작을 포함한다.

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PHOTO-RESPONSIVE SHAPE CHANGING POLYMER COMPOSITION FOR COLORED OPTICAL LENS

Publication No.: DK3703611T3 30/01/2023

Applicant:

NAYAM INNOVATIONS PVT LTD [IN]

JP_2021501251_A

Absstract of: WO2019087095A2

This invention relates to photo-responsive shape changing polymers compositions comprising photoinitiators which absorb light in the range about 400 nm to about 700 nm, a cross-linked polymer matrix and a polymerizable composition. Photopolymerization of the polymerizable composition sorbed in the cross-linked polymer matrix results in the shape change which is manifest in the change in the refractive properties of the composition. The light dose required to effect the shape change; lock-in dose and the photobleaching dose are determined by the choice of the photoinitiator, electron donor and the hydrogen donor. These compositions are useful in the fabrication of coloured lenses, especially intraocular lenses.

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Automatic Design System for Patient Specific Metal Internal Fixation Device for Pelvic Bone and its method

Publication No.: KR20230013720A 27/01/2023

Applicant:

주식회사카비랩

Absstract of: KR20230013720A

본 발명의 일예와 관련된 환자맞춤형 골반골 골절 내고정장치 자동 디자인 시스템은, 골절이 정복된 3차원 환자 영상을 기반으로, 상용화된 내고정장치의 3차원 구조 정보와 제품 정보 데이터를 수집하는 내고정장치 데이터부; 인터페이스부의 연계를 기초로, 상기 상용화된 내고정장치의 디자인을 변형하고, 상기 변형된 디자인에 대한 유한요소를 해석하는 주연산처리부; 및 상기 상용화된 내고정장치의 데이터 및 상기 변형된 디자인과 상기 유한요소 해석결과를 학습하는 부연산처리부;를 포함하고, 환자의 골반 골절 정보가 전달되는 경우, 상기 부연산처리부는, 상기 골반 골절에 대응되는 환자 맞춤형 내고정장치를 자동으로 디자인하여 추천하며, 상기 추천된 디자인이 3D 프린터로 출력될 수 있도록 데이터를 생성할 수 있다.

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Automatic design device of bone scaffold for defect region on skull and its manufacturing system

Publication No.: KR20230013718A 27/01/2023

Applicant:

주식회사카비랩

Absstract of: KR20230013718A

본 발명의 일예와 관련된 두골 골결손을 위한 골지지체 자동 디자인 및 제조 시스템은, 정상 두골 골격 정보 및 골지지체 도입이 필요한 골격의 3차원 영상 정보를 학습하는 학습용 골격 데이터베이스; 환자의 골절과 관련된 영상을 입력받는 인터페이스; 상기 입력된 골절 영상을 전달받아 3차원 영상으로 재구성하는 3차원 영상 재구성부; 상기 학습용 골격 데이터베이스와 협업하여, 상기 3차원 영상 내에 환부를 인식하는 환부 인식부; 상기 3차원 영상 내의 환부에 대한 맞춤형 골지지체를, 미러링 및 불리안 연산 동작을 통해 자동으로 디자인하는 미러링/불리안 연산부; 및 상기 디자인 된 맞춤형 골지지체 정보를 수신하여, 3D 프린팅을 위해 분류하는 펌웨어부;를 포함할 수 있다.

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WEARABLE DEVICES TO AUGMENT PENILE RIGIDITY IN MEN WITH ERECTILE DISFUNCTION

Publication No.: WO2023004090A1 26/01/2023

Applicant:

UNIV LELAND STANFORD JUNIOR [US]

Absstract of: 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 FOR THE ADDITIVE MANUFACTURING OF CASTING MOLDS

Publication No.: WO2023001418A1 26/01/2023

Applicant:

ETH ZUERICH [CH]

EP_4122903_A1

Absstract of: 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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MEDICAL INSTRUMENT AND SYSTEM AND METHOD FOR PRODUCING A MEDICAL INSTRUMENT

Publication No.: WO2023002056A1 26/01/2023

Applicant:

TRAN KHANH CHINH [DE]

DE_202021103909_U1

Absstract of: 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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PERSONALIZED IMPLANT

Publication No.: WO2023003465A1 26/01/2023

Applicant:

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

Absstract of: 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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SYSTEMS AND METHODS FOR 3D PRINTED MATERIAL SURFACE TREATMENTS

Publication No.: US2023026132A1 26/01/2023

Applicant:

TUFTS COLLEGE [US]

Absstract of: 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.

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Custom Tools for Bonding Orthodontic Appliances and Methods of Bonding Orthodontic Appliances

Publication No.: US2023026846A1 26/01/2023

Applicant:

3M INNOVATIVE PROPERTIES COMPANY [US]

JP_2022551352_PA

Absstract of: 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.

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

Nº publicación: US2023021953A1 26/01/2023

Applicant:

ALIGN TECHNOLOGY INC [US]

WO_2022272142_PA

Absstract of: 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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