共查询到20条相似文献,搜索用时 15 毫秒
1.
Y. Gür 《Molecular & cellular biomechanics : MCB》2014,11(4):249-258
The purpose of the study presented here was to investigate the manufacturability of human anatomical models from Computed Tomography (CT) scan data via a 3D desktop printer which uses fused deposition modelling (FDM) technology. First, Digital Imaging and Communications in Medicine (DICOM) CT scan data were converted to 3D Standard Triangle Language (STL) format by using InVaselius digital imaging program. Once this STL file is obtained, a 3D physical version of the anatomical model can be fabricated by a desktop 3D FDM printer. As a case study, a patient’s skull CT scan data was considered, and a tangible version of the skull was manufactured by a 3D FDM desktop printer. During the 3D printing process, the skull was built using acrylonitrile-butadiene-styrene (ABS) co-polymer plastic. The printed model showed that the 3D FDM printing technology is able to fabricate anatomical models with high accuracy. As a result, the skull model can be used for preoperative surgical planning, medical training activities, implant design and simulation to show the potential of the FDM technology in medical field. It will also improve communication between medical stuff and patients. Current result indicates that a 3D desktop printer which uses FDM technology can be used to obtain accurate anatomical models. 相似文献
2.
《Biotechnology advances》2017,35(5):521-529
Three-dimensional (3D) printers are a developing technology penetrating a variety of markets, including the medical sector. Since its introduction to the medical field in the late 1980s, 3D printers have constructed a range of devices, such as dentures, hearing aids, and prosthetics. With the ultimate goals of decreasing healthcare costs and improving patient care and outcomes, neurosurgeons are utilizing this dynamic technology, as well. Digital Imaging and Communication in Medicine (DICOM) can be translated into Stereolithography (STL) files, which are then read and methodically built by 3D Printers. Vessels, tumors, and skulls are just a few of the anatomical structures created in a variety of materials, which enable surgeons to conduct research, educate surgeons in training, and improve pre-operative planning without risk to patients. Due to the infancy of the field and a wide range of technologies with varying advantages and disadvantages, there is currently no standard 3D printing process for patient care and medical research. In an effort to enable clinicians to optimize the use of additive manufacturing (AM) technologies, we outline the most suitable 3D printing models and computer-aided design (CAD) software for 3D printing in neurosurgery, their applications, and the limitations that need to be overcome if 3D printers are to become common practice in the neurosurgical field. 相似文献
3.
Simon J. Leigh Robert J. Bradley Christopher P. Purssell Duncan R. Billson David A. Hutchins 《PloS one》2012,7(11)
3D printing technology can produce complex objects directly from computer aided digital designs. The technology has traditionally been used by large companies to produce fit and form concept prototypes (‘rapid prototyping’) before production. In recent years however there has been a move to adopt the technology as full-scale manufacturing solution. The advent of low-cost, desktop 3D printers such as the RepRap and emoH@baF has meant a wider user base are now able to have access to desktop manufacturing platforms enabling them to produce highly customised products for personal use and sale. This uptake in usage has been coupled with a demand for printing technology and materials able to print functional elements such as electronic sensors. Here we present formulation of a simple conductive thermoplastic composite we term ‘carbomorph’ and demonstrate how it can be used in an unmodified low-cost 3D printer to print electronic sensors able to sense mechanical flexing and capacitance changes. We show how this capability can be used to produce custom sensing devices and user interface devices along with printed objects with embedded sensing capability. This advance in low-cost 3D printing with offer a new paradigm in the 3D printing field with printed sensors and electronics embedded inside 3D printed objects in a single build process without requiring complex or expensive materials incorporating additives such as carbon nanotubes. 相似文献
4.
Fused Deposition Modeling (FDM), better known as 3D printing, has revolutionized modern manufacturing processes and the ever-increasing use of 3D printers is popular not least because of the wide range of materials available for printing. When applying the FDM process to the development of prototypes, it is possible to go from an idea to a first iteration of the product within a few hours, and from an initial concept to a final product within a few days depending on the complexity of the desired structure. We applied FDM-related open-source 3D software and a 3D printer to produce parts for devices being applied in wood anatomy and dendroecology. In this paper, we present the basic requirements for prototyping by showing detailed examples of new devices developed and produced using a 3D printer and related modeling software. 相似文献
5.
Although the microbiology laboratory paradigm has increasingly changed from manual to automated procedures, and from functional to molecular methods, traditional culture methods remain vital. Using inexpensive desktop fused filament fabrication 3D printing, we designed, produced and tested rapid prototypes of customised labware for microbial culture namely frames to make dip slides, inoculation loops, multi-pin replicators, and multi-well culture plates for solid medium. These customised components were used to plate out samples onto solid media in various formats, and we illustrate how they can be suitable for many microbiological methods such as minimum inhibitory concentration tests, or for directly detecting pathogens from mastitis samples, illustrating the flexibility of rapid-prototyped culture consumable parts for streamlining microbiological methods. We describe the methodology needed for microbiologists to develop their own novel and unique tools, or to fabricate and customise existing consumables. A workflow is presented for designing and 3D printing labware and quickly producing easy-to-sterilise and re-useable plastic parts of great utility in the microbiology laboratory. 相似文献
6.
3D printing is the development of 3D objects via an additive process in which successive layers of material are applied under computer control. This article discusses 3D printing, with an emphasis on its historical context and its potential use in the field of urology.Key words: Medical applications of 3D printing, Urologic applications of 3D printing, BiofabricationA 3D printer is unlike the printers most commonly used in a urology office. 3D printing is also known as desktop fabrication or additive manufacturing. It is a prototyping process whereby a real object is created from a 3D computer-created design. The digital 3D model file is sent to the 3D printer, which prints the design one layer at a time, forming a 3D object.1The smallest 3D printer weighs 1.5 kg and costs approximately ≥1600. The biggest drawback for the individual small practice user is the relatively high cost of the printer.2 In addition to the cost of the hardware, the professional 3D software and 3D model design are likewise expensive3 and is beyond the budget of most urologic practices. A list of commercial 3D printers currently available is shown in Industrial 3D-Printer Manufacturers Stratasys (Eden Prairie, MN) 3D-Systems (Rock Hill, SC) Personal 3D-Printer Manufacturers Reprap.org (Bath, United Kingdom) Makerbot Industries (New York, NY) Ultimaker (Geldermalsen, Netherlands) Fab@Home (Cornell University; Ithaca, NY)