Resumen de: CN116158891A

本发明公开了一种节段骨复合多孔支架及其制备方法，包括支架本体、高分子载体层和水凝胶载体层，所述高分子载体层位于所述支架本体的表面，所述水凝胶载体层位于所述高分子载体层的表面；所述支架本体为多孔结构，且该多孔结构的孔为贯通孔；所述水凝胶载体层填充于所述多孔结构；所述支架的两端形成支架固定单元，所述支架固定单元设有支架固定点；所述支架本体为金属支架本体。本发明通过对支架三维结构的设计以及表面功能层的设计，使植入物能够满足材料所需的多种性能。

Resumen de: CN116168185A

本申请涉及一种三维牙齿模型分割方法和装置。该方法包括：获取三维牙齿模型的二维投影图像，并对二维投影图像进行识别，得到多个牙齿区域；在三维牙齿模型中，确认与多个牙齿区域对应的原始种子点；在预设范围内对原始种子点进行扩展，得到三维牙齿模型中牙齿的目标种子点；基于各牙齿的目标种子点对三维牙齿模型进行分割，得到分割牙齿。本申请解决了三维牙齿模型分牙准确度低的技术问题。

Resumen de: CN116158885A

本发明公开了一种用于实验大鼠鼠尾伤口防撕咬保护罩装置，类圆锥筒体水平放置，后侧为能够套设于实验大鼠鼠尾上的圆筒结构，前侧为与实验大鼠臀部曲线吻合的类圆锥结构，且类圆锥结构下方开设有用于避开大鼠肛门部位的V字型缺口；类圆锥筒体由左右两块类半圆曲面体拼接而成，上拼接面位于类圆锥筒体上方的前后正中线上，下拼接面位于类圆锥筒体下方的前后正中线上；若干个开合扣设置于左右两块类半圆曲面体的上拼接面和下拼接面处，使得左右两块类半圆曲面体能够朝向左右两侧打开；用于保护鼠尾伤口模型的完整性，同时满足伤口换药时保护罩可打开、换药结束后保护罩可闭合，方便实验人员操作，保证实验顺利进行。

Resumen de: CN219076856U

本实用新型提供便携可打印式心电图机，包括沿底壳竖直方向依次设置的打印机组、电路控制组、显示器组；所述打印机组包括热敏打印头与纸仓，所述底壳上构造有支撑凸台，支撑凸台上安装有载板，所述支撑凸台之间形成抽拉容纳腔，热敏打印头安装在载板上且面向抽拉容纳腔设置，所述纸仓滑设在抽拉容纳腔内，纸仓一端连接有纸仓盖，所述纸仓盖上设置用于有向纸仓外输送已打印心电图纸的送纸辊；满足需要打印心电图纸的使用工况需求。

Resumen de: US2022075329A1

A tool for movement sequence analysis utilizing printed circuits. The tool determines a workflow sequence based, at least in part, on one or more printed circuits within a printed organic component. The tool activates the workflow sequence utilizing applied external stimuli on the one or more printed circuits. Responsive to activating the workflow sequence, the tool analyzes a signal response from the one or more printed circuits. The tool generates one or more printing recommendations based, at least in part, on the signal response analysis.

Resumen de: CN219071432U

本实用新型公开了一种3D打印可切削生物陶瓷支架，包括：陶瓷支架主体，陶瓷支架主体包括有框架和支撑架，本实用新型克服了现有技术的不足，通过设置有第一刻度和第二刻度，通过按照预设的三维模型，采用3D打印机将3D打印陶瓷浆料以逐层固化的方式进行成型，得到陶瓷支架生坯，陶瓷支架生坯经清洗和干燥后，依次经脱脂处理和高温烧结，即得到3D打印可切削生物陶瓷支架，在需要进行切削使用时，通过设置第一刻度和第二刻度，可以通过第一刻度与第二刻度对生物陶瓷支架进行切削，每个刻度为一毫米，则不需要另外用尺子量取需要切削的大小，节省时间，操作方便。

Resumen de: CN116161955A

本发明公开了一种高强度羟基磷灰石骨组织工程支架的常温一步挤出3D打印成形制备方法，属于生物医用材料技术领域，制备羟基磷灰石浆料，将羟基磷灰石浆料常温挤出3D打印自固结成形，得到羟基磷灰石骨组织工程支架；所述羟基磷灰石浆料由改性羟基磷灰石粉体与调和液配制而成；所述改性羟基磷灰石粉体是由苹果酸螯合改性羟基磷灰石得到的粉体。本发明制备的羟基磷灰石浆料具有力学性能优异、可注射性强、固化时间适中等优点，可实现常温一步挤出3D打印成形，无需交联、免烧结、无后处理即可得到高强度羟基磷灰石骨组织工程支架。

Resumen de: CN116158888A

本发明提供一种眼科晶状体半脱位免缝合的囊袋张力器，涉及医疗器械技术领域。一种眼科晶状体半脱位免缝合的囊袋张力器，包括张力环，所述张力环两端分别固定设置有头部圆凸和尾部圆凸，所述张力环中部位置贯穿开设有固定孔，所述固定孔内部套设有固定拉环，所述张力环周侧缠绕设置有环脊，一种眼科晶状体半脱位免缝合的囊袋张力器制作方法，具体包括以下步骤：S1.张力器选型，S2.建立3D打印模型，S3.选取原料，S4.进行力学分析。该囊袋张力器避免通过缝合的方式对张力环进行固定，解决了缝合方式对人体伤害大、缝合技术复杂耗时，缝合线降解过快造成人工晶状体倾斜、偏位甚至脱位的问题。

Resumen de: US2023157795A1

A method of producing a dental object (100), including the steps of producing a pillared support structure (101) on the dental object (100); and producing a lattice structure (103) for reinforcing the support structure (101).

Resumen de: CN219070797U

本实用新型涉及一种人工血管，所述人工血管为中空柱体结构，由外层和内层组成，所述人工血管的外径为0.4‑2mm，所述人工血管的总壁厚为0.2‑0.3mm，所述人工血管的长度为2‑5cm。本实用新型的人工血管，两端管径差异化设计，可分别匹配供受区不同管径的血管，扩大手术的适用范围；倒刺结构自动吻合嵌入，这样可以免除缝合，节约手术时间；双层人工血管跟随血压变化产生形变，以适应生理需要，从而减少血栓生成。

Resumen de: US2023157837A1

A self-seating spinal cervical cage, including a pair of spaced support members, each respective support member having a first end and a second end, a plurality of teeth extending from each respective first end and each respective second end, a plate member bisecting each respective spaced support member, an array of apertures formed through the plate member, and a porous scaffolding operationally connected to the plate member and defining an open cell pore network. The plate member bisects the porous scaffolding. The plate member and the spaced support members define a unitary titanium body.

Resumen de: WO2023089113A1

The invention relates to a patient-specific implant (5) for insertion into a body cavity of a patient, for example into the round window niche of the middle ear. The invention also relates to a method of manufacturing such an implant (5).

Resumen de: US2023157795A1

A method of producing a dental object (100), including the steps of producing a pillared support structure (101) on the dental object (100); and producing a lattice structure (103) for reinforcing the support structure (101).

Resumen de: US2023159680A1

Orthodontic articles and polymerizable resin compositions are described. The orthodontic article comprises a cured composition comprising the reaction product of free-radically polymerizable resin comprising 30 to 70 wt. %, inclusive, of at least one urethane component, and 25 to 70 wt. %, inclusive, of reactive diluent(s) comprising at least one monofunctional (meth)acrylate monomer. The polymerizable resin comprises no greater than 35 wt. % of reactive diluent(s) having a high affinity for water. Reactive diluent(s) such as monofunctional (meth)acrylate monomers having a high affinity for water have low log P values. In one embodiment, the polymerizable resin comprises at least one acidic monomer.

Resumen de: WO2023091487A1

A customized external cranioplasty includes a rigid section and a rim at least one of attached to or integral with the rigid section and extending at least partially around a periphery of the rigid section. The rigid section has a size and shape to substantially match a cranial defect and includes an impact-resistant material to provide protection and support to a user due to the cranial defect. The rim facilitates secure and comfortable contact of the customized external cranioplasty to the user's head. A method of producing a customized external cranioplasty includes receiving three-dimensional imaging data for at least a portion of a subject's skull that has a cranial defect; segmenting the cranial defect region from a surrounding portion of the subject's skull to obtain a surface requiring support by the customized external cranioplasty; and producing a rigid section of the customized external cranioplasty using said surface requiring support obtained from the segmenting.

Resumen de: AU2021365775A1

A subtalar joint replacement includes a talar component and a calcaneal component. The talar component includes a talar fixation surface, a talar articular surface opposite the talar fixation surface, the talar articular surface having a first shape, and one or more fixation devices extending from the talar fixation surface. The calcaneal component includes a calcaneal fixation surface, a calcaneal articular surface opposite the calcaneal fixation surface, the calcaneal articular surface having a second shape that interfaces with the first shape of the talar articular surface to generate constraint across a subtalar joint, and one or more fixation devices extending from the calcaneal fixation surface.

Resumen de: US2023158739A1

A system for forming a product with different size particles is disclosed. The system comprises at least one print head region configured to retain a first group of print heads configurable to additively print at least a first portion of the product with a first material and a second group of print heads configurable to additively print at least a second portion of the product with a second material. The described system may also comprise a processor configured to regulate the first group of print heads and the second group of print heads to distribute the first material and the second material. A method of making an object by ink jet printing using the disclosed system is also disclosed.

Resumen de: US2023158269A1

A heat and moisture exchanger device comprising a housing containing a microcurrent-generating filter capable of generating a low level microcurrent. A microcurrent-generating filter can reduce the number of living or active microbes.

Resumen de: AU2023202778A1

A dental appliance made of an olefin polymer is directly formed via rapid prototyping without the use of an intermediary physical mold. A polymer precursor solution includes one or more olefin-containing monomers and/or oligomers, an olefin polymerization catalyst, and a UV absorbing agent to limit penetration of the UV light through the polymer precursor solution. One or more reactions of the polymer precursor solution are modulated in response to UV light, and the polymer precursor solution may further include an inhibitor (quenching agent) configured to modulate those reactions. The polymer precursor solution can be deposited using UV-cured stereolithographic or 3D printing methods to form appliances exhibiting improved elongation at break characteristics and suitable stress resistance.

Resumen de: US2023158214A1

Methods for treating tissue are provided. In one embodiment, an adjunct material, when secured to tissue, can receive at least one physiological element released from the tissue during healing progression of the tissue, and can exhibit first and second stiffnesses in compression that are approximately constant during first and second time periods from contact with the tissue, with the second stiffness decreasing with time as a function of at least one of oxidation, enzyme-catalyzed hydrolysis, and change of pH resulting from interaction with the at least one physiological element. In another embodiment, the adjunct can receive a unit volume of fluid that causes first and second portions of the adjunct to expand according to first and second expansion behaviors that differ from one another to apply different pressures to the tissue.

Resumen de: US2023157950A1

The invention provides an oromucosal film composition comprising:a therapeutically effective amount of epinephrine solid particles having a particle size in the range of from about 0.01 um to about 100 um; anda pharmaceutically acceptable polymerwherein the epinephrine solid particles are dispersed in and/or disposed on a polymeric layer. The film compositions can be used for the treatment of anaphylactic shock, cardiac arrest, asthma, bronchial asthma, bronchitis, emphysema, respiratory infections, and allergic reactions. The film compositions may further contain local anesthetics and used for providing local anesthesia, such as for the treatment or prevention of tooth pain and treatment of mouth ulcers.

Resumen de: US2023157786A1

A method for directly printing orthodontic and dental appliances on the teeth of a patient. The tooth is scanned with a scanner which is communicated with a computer controller configured to recognize the anatomy of the tooth. The surface of a tooth of the patient is then prepared in order to receive the type of appliance designated for the patient. Using image data from the print head, the computer controller prepares a three-dimensional blueprint or design of an appropriate orthodontic or dental appliance. The computer controller controls the type and amount of material that is distributed through the print head only when the print head passes over the recognized anatomy so as to directly print the corresponding appliance onto the tooth layer by layer as the print head makes successive passes over the surface of the tooth.

Resumen de: US2023157790A1

Embodiments relate to an aligner breakage solution that tests damage to an aligner using machine learning. A method includes of training a machine learning model to predict damage to an orthodontic aligner includes gathering a training dataset comprising digital designs for a plurality of orthodontic aligners, wherein each digital design is associated with a respective orthodontic aligner of the plurality of orthodontic aligners, and wherein each digital design comprises metadata indicating whether the associated respective orthodontic aligner was damaged during manufacturing of the associated respective orthodontic aligner. The method further includes training the machine learning model using the training dataset, wherein the machine learning model is trained to process data from a digital design for an orthodontic aligner and to output a probability that the orthodontic aligner associated with the digital design will be damaged during manufacturing of the orthodontic aligner.

Resumen de: US2023157737A1

The invention is a solution for osteosynthesis made with molded metal sheets joined vertically and horizontally, fitted to the shape and dimensions of the fractured bone to keep it immobile and united. For the orthosis, it depicts metal sheets joined with horizontal and vertical movements, molded to the form and dimensions of vertebrae and joints to keep them separated. The sheet metals have wavy shapes, channels and undulations that give consistency and structural strength to bending, tension, shear and bends for joints. It also describes the process for the osteosynthesis with metal sheets and 3D printing, where the surgeon wraps the osteosynthesis or molded orthosis around the bone, vertebrae or joint, fastening it with clamps that tighten and lock with a surgical instrument, without screws. The sheet metals have viewpoint holes to see through during surgery and subsequent control with Roentgen. The clamps are in channels, which have micro-points on the side contacting the bone.

Resumen de: US2023157702A1

The present disclosure relates to a guide for mandibular resection surgery, including, a guide plate having, at its lower side, a boundary surface that guides a resection pathway of a resection saw during a mandibular resection surgery; and a fixing portion that is formed to extend from the guide plate to be combined with a mandible or tooth, thereby fixing a position of the guide plate, wherein the guide plate is foldable.