• PLA And PCL Composites Have Better Compliance For 3D Printed Stents

    PLA And PCL Composites Have Better Compliance For 3D Printed Stents

    To meet the requirements of a perfect stent like induction of rapid endothelialization to restore the functions of vascular tissue and compliance with medical requirements, particularly the flexibility required to facilitate placement, researchers approached 3D Printing these Stents with PLA and PCL composites. Using Tubular 3D Printer, they 3D Printed the stents which were then seeded with cells and left for three days, and then tests were performed to assess the morphological features, cell proliferation, cell adhesion, degradation rate and radial behavior. Both PCL and PLA showed themselves to be biocompatible, and the composite stents showed the most promise, with medium levels of degradation rates and mechanical modulus.

  • Hot-Melt Extrusion Combined With FDM For Drug Delivery Systems

    Hot Melt Extrusion Combined With FDM For Drug Delivery Systems

    A group of researchers from the University of Sussex are working towards Drug Delivery Systems by combining FDM technology with Hot-Melt Extrusion (HME) which involves blending of Active pharmaceutical ingredients (APIs) with a thermoplastic polymer, and extrusion as filaments. Through pairing of HME with FDM technology, the researchers can help increase the range of usable FDM polymers and improve the usability of FDM 3D printers across many industries. HME, which does not require the use of a solvent, can be used to make drugs with a less bitter taste, while also lowering production times and increasing process efficiency.

  • 4D Bioprinting Can Have Miraculous Potential In Regenerative Medicine

    4D Bioprinting Can Have Miraculous Potential In Regenerative Medicine

    A group of Portugese Researchers are working towards 4D Bioprinting in Regenerative medicine and ultimately pave the path for bioprinting human tissues for medical uses. With 3D Printing enhanced with 4th dimension, the researchers point out the potential to have greater control over size, shape and interconnectivity. Through 4D Bioprinting, researchers will be able to morph bioinks into viable cells and tissues without the boundaries of nature, however, this is yet to be explored in terms of temperature, peripheral chemicals, stress and UV light exposure, and ofcourse, the nature itself.

  • Startup Kijenzi Paves New Path For 3D Printing And Health In Kenya

    Startup Kijenzi Paves New Path For 3D Printing And Health In Kenya

    Kijenzi, a tech startup with co-founders John K. Gershenson, Benjamin Savonen and students, was born out of Penn State Humanitarian Engineering and Social Entrepreneurship program (HESE), and their recent objective was to provide 3D printers to clinics in more distant areas of Kenya. To further the cause, they worked on CAD files that can be accessed by the medical teams at Kenyan clinics to fabricate their own 3d printed equipments. Their new system of 3D Printing and Medical Supply Chain has won them the second place in IdeaMakers Challenge also.

  • Astrophysics Combined With 3D Printing Yields Ultimate 3D Print Models

    Astrophysics Combined With 3D Printing Yields Ultimate 3D Print Models

    UK researchers, I. Brewis and J.A. McLaughlin, at Northumbria University unveiled their new research that combines astrophysics with 3D Imaging and Printing in cardiovascular health care. Using the astrophysics in creating new image-processing techniques for viewing the human heart, transferring the data to an .stl file and then 3D printing a medical model, they finally produced a precise 3D model of a patient’s heart with Aortic Aneurysm using Netfabb and SLA 3D Printer.

  • 3DHeals Event Explores Possibilities

    3DHeals Event Explores Possibilities

    3DHEALS is an organization, founded by CEO Jenny Chen, aims at building a global platform for people to learn and collaborate on healthcare 3D printing and bioprinting, and related technologies through events around the globe. The event involved local speakers like Adam Jakus, Co-founder of Dimension Inx, Steven Morris, CEO of BIOLIFE4D, Stephen Anderson from Renishaw and Alejandro Espinoza from Rush; who gave 10 minute summaries of their work for an audience of additive manufacturing professionals in Chicago.

  • 3D Printed Spine Models Pave Path For Better Surgical Training

     

    3D Printed Spine Models Pave Path For Better Surgical Training

    Researchers from the Barrow Neurological Institute in Phoenix, Arizona studied the five models for use in training with simulation of both Freehand and Percutaneous Pedicle Screw Placement, with all models evaluated and then scored by junior and senior residential spine surgeons. All 3D Printed Barrow Biomimetic Spine model were created with Meshmixer software, imported back into Simplify3D software, and then 3D printed on a FlashForge Creator Pro with an affordable cost of $50-$70.

  • Three Tier Study Of Sydney Proves Value Of 3D Printing For Cardiac Phantoms

    Three Tier Study Of Sydney Proves Value Of 3D Printing For Cardiac Phantoms

    Researchers from University of Sydney, including Kamarul Amin Abdullah, performed a three-tiered study that included: 3D printing a cardiac insert phantom created from volumetric CT image datasets, investigating the 3D printed phantom in evaluation an IR algorithm and evaluating optimal IR algorithm strengths for low-tube voltage CCTA protocols. They came up with the Lungman anthropomorphic chest phantom which is equipped with a phantom that mimics the heart, and the insert was created on a Creatbot DM Plus 3D printer. They also discovered that 3D printing was suitable for dose optimization studies, allowing for investigation of IR algorithm on dose reduction.

  • Poland's Medical University Explores 3D Printing

    Polands Medical University Explores 3D Printing

    The University of Gdansk, Poland, has ventured into era of 3D Printing and launched "3D Printing in Medicine", a medical course, first of its kind. Led by Paediatricians, and supplied by Zortrax, it aims to provide theoretical as well as practical scenarios to the students to further discover creating and utilizing 3D Printing Models for Medicine.

  • 3D Printed Phantoms For Breast Cancer Diagnostic Training

    3D Printed Phantoms For Breast Cancer Diagnostic Training

    US Researchers recently used 3D Printing to create Phantoms for training Radiologists to diagnose Breast cancer using Core Needle Biopy, the major diagnostic method available. While the usual phantoms for training cost around 350-450 USD, the 3D Printed Phantoms cost less and were much efficient in terms of acceptable US beam penetration and material hardness for simulation of human breast tissue integrity. The three breast phantom models were printed in multiple resins available through Stratasys, including VeroClear, TangoPlus and Tissue Matrix.

  • 3D Printing Helps Visually Impaired Take Medication Themselves

    3D Printing Helps Visually Impaired Take Medication Themselves

    Researchers from UK and Spain used 3D Printing to help Visually Impaired using Printlets with Braille and Moon patterns. SLS 3D printing was used to fabricate the orally disintegrating printlets (ODPs) with Braille and Moon patterns, allowing patients to have fast knowledge regarding medication where Paracetamol was used as the model drug. The researchers believe this will encourages self-administration of medicines, improving patient compliance and treatment efficacy.

  • Patient Specific Guides With 3D Printing Outperform Traditional Total Knee Arthroplasty

    Patient Specific Guides With 3D Printing Outperform Traditional Total Knee Arthroplasty

    A Team of Researchers from China worked towards combining 3D printing with patient‐specific instrumentation (PSI) and performing a prospective randomized controlled trial (RCT) to show that 3DP‐designed PSI performed better than traditional TKA. CT scans were converted to 3D printing files, printed out on an UP BOX, using bio-safe polylactic acid. Eighty five patients got operated and received the LEGION Total Knee System. The outcomes on the follow up revealed PSI to have better postoperative radiological outcomes, accuracy in 3DP-designed PSI, and feasibility.

  • Chinese Researchers Use Phone Cameras To Create 3D Printed Anatomical Models

    Chinese Researchers Use Phone Cameras To Create 3D Printed Anatomical Models

    Researchers at Morphologic Science Experimental Center, Central South University, China, worked towards making the use of Phone Cameras and Cloud service-based workflow to image bone specimens and print their three-dimensional (3D) models for anatomical education. Using four typical human bone specimens, the femur, rib, cervical vertebra and skull , photographed by a phone camera, they aligned and converted them into digital images for incorporation into a digital model through the Get3D website and submitted to an online 3D printing platform to obtain the 3D Printed models. The results were excellent and as low as distance deviations ≤2 mm were noted among 99% of the random sampling points that were tested.

  • 3D Printing Shows Promises In Pre-Operative Planning For Lung Cancer Surgeries

    3D Printing Shows Promises In Pre Operative Planning For Lung Cancer Surgeries

    Researchers from China worked on a study that involved comparing 3D Print in pre-operative care to three-dimensional computed tomography (3D-CT) in Thoracoscopic Pulmonary Segmentectomy for Cancer Patients. 124 selected patients were divided into three groups- General, 3D-T and 3D Printing; and Pre-operative 3D image reconstruction was performed to view and reconstruct 3D images of the nodules, bronchi, and pulmonary vessels and the models were then printed on a Lite600HD 3D printer. 3D Printing Group was found to have decreased Intraoperative blood loss and reduced time of procedures.

    Read More: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6976356/

  • UMC Receives Grant From Eurostars To Develop Radiation-Free 3D Printing

    UMC Receives Grant From Eurostars To Develop Radiation Free 3D Printing

    University Medical Centre, Utrecht, which is working with two European start-ups, MRIguidance and Axial3D, has now received grant from European Eurostars to develop end-to-end solution for radiation-free pre-operative planning in Orthopaedics. BoneMRI, the product of the collaboration, yields CT-like images of the bones and complement soft tissues derived from an MRI scan, which are then used to create 3D Printed Medical Models of the same. This, therefore, reduces the radiation exposure as seen in CT but not MRI.

  • Canadian Researchers Unveil CASMER: 3D Printed Anatomical Models

    Canadian Researchers Unveil CASMER 3D Printed Anatomical Models

    Canadian Researchers used 3D Printing to create Organ Models or Mannequin, called CASMER, which featured both 3D printing of almost all the organ shells, along with added packing material to flesh out the anatomy correctly. This involved four techniques: Realistic 3D printing of abdominal organs, Material-based moulding of the pancreas, Beeswax sculpting of abdominal fat and Off-the-shelf parts for the skeleton and outer shell. Muscle was made from Clear Flex® urethane rubber (Smooth-ON, PA), while fat was created from modelling beeswax. Rostock Max V2 3D printer was used, with source image data converted via segmentation software, as well as open-sourced Slicer.

  • 3D Printing Improves Drug Delivery In Cancer Patients In China

    3D Printing Improves Drug Delivery In Cancer Patients In China

    Researchers from China worked towards upgrading the routes of administering Anti-Cancer drugs using 3D Printing. With interstitial permanent radioactive seed implantation, cancer patients can receive large, localized doses for treating tumours. While most seeds are implanted using Ultrasound or CT these days, the research revolved around using 3D-PCT-guided seed implantation, assisted by CT processes, which makes implantation is ‘suitable’ for salvage treatment of recurrent and metastatic solid tumours. The Standard workflows for CT-assisted 3D-PCT-guided seed implantation included: Patient position fixation, CT-simulated positioning, Pre-planning design, 3D-PCT image production, Stabilization by 3D-PCT, Needle puncture for seed implantation, Implantation of seeds and Post-plan evaluation.

  • Researchers Provide 3D Printed Medical Models To Practice Dental Surgeries Better

    Researchers Provide 3D Printed Medical Models To Practice Dental Surgeries Better

    A team of researchers, led by Dr. Wong from NUS National Centre for Oral Health, received a grant from the National Additive Manufacturing Innovation Cluster (NAMIC). With the grant received, the team worked towards creating a method for combining materials in order to create 3D printed impacted tooth models that include pulp, the pulp chamber, nearby nerves, and simulated periodontal ligaments, followed by mounting of the 3D printed model onto a mannequin head that features artificial cheeks. The 3D Printed Models of the Dentations will help the students practice the surgical procedures and thereby, boost the confidence for the real ones when the opportunity comes.

  • Porous Ti6Al4V Yields Better Dental Surgeries For Bone Defects

    Porous Ti6Al4V Yields Better Dental Surgeries For Bone Defects

    Researchers from Taiwan worked on improved methods of accommodating bone defects after failed implants must be removed using 3D Printing. Bio-Active Dental implant, which were manufactured with laser-sintered additive 3D printing technique, were used in animal experiments where one side of distal femurs was randomly selected for the commercially pure titanium NobelActive implant (control group) and the other side with Bio-Active Ti6Al4V porous dental implant (ITRI group). After Bio-printing with EOSINT M 280 system, the researchers concluded that by enlarging pore width at the nanoscale, they can to increase bioactivity features as well as accelerate osseogenesis during Dental Surgeries.

  • 3D Printed Models For Dental Traumatology Offer Better Training Case Scenarios

    3D Printed Models For Dental Traumatology Offer Better Training Case Scenarios

    German Researchers used SLA 3D Printer to create much realistic model for Case Scenarios based on the CBCT of the maxilla of a real patient that imitated several traumatic dental injuries, which was then used in a hands-on training course on Dental traumatology for undergraduate students in their final year in the Department of Conservative Dentistry and Periodontology in Munich, Germany. While half of the students were provided with access to dentaltraumaguide.org, the others didn’t. The students were then evaluated, where 57% reported it to be ‘very realistic’ and 43% choosing ‘rather realistic’, therefore concluding that 3D Printed Dental Models assisted students in correctly managing traumatic dental injuries.

  • LightForce Orthodontics Revolutionises Dental Braces By Customized 3D Printed Bracket System

    LightForce Orthodontics Revolutionises Dental Braces By Customized 3D Printed Bracket System

    Dr. Alfred Griffin, founder and CEO of the LightForce Orthodontics, a Start-up created on the idea of creating Patient-Specific Brackets using 3D Printing, aims at evolving with the Orthodontics industry and provide better innovative ideas in the field. Alfred created a patented system for 3D printed Orthodontic Treatment Brackets, using material nearly identical to injection modelled ceramic brackets, but formulated specifically for 3D printing. It’s a simple three-step digital workflow: scan, create the 3D model, and print. The online interface comes with cloud-based treatment planning software that allows users to make adjustments directly on the model, before the custom 3D printed appliance is shipped in just 7-10 business days after approval.

  • Innovative 3D Printing With PVA Starts With Liver Stenting

    Innovative 3D Printing With PVA Starts With Liver Stenting

    Christen Boyer, a Bioprinting engineer and recent Postdoctoral Fellow at LSU Health Sciences Center in Shreveport, along with vascular cell biologist, tissue engineer, and professor at LSU Health Sciences Center, Steven Alexander; have developed a new technology to 3D Print Polyvinyl Alcohol (PVA) Medical Devices. The method generates biologically compatible 3D printing scaffolds that support cell engraftment because of the high level of protein binding, which is a result of the stabilization process. Working along with Hrishikesh Samant, a transplant surgeon at LSU Health, Boyer and Alexander came up with a novel crosslinked PVA (XL-PVA) 3D printed stent infused with collagen, human placental mesenchymal stem cells (PMSCs), and cholangiocytes. The customized living biliary stents have clinical applications in the setting of malignant and benign bile duct obstructions.

  • Pioneering 3D Printed Lungs For Veterans Using 3D Printing

    Pioneering 3D Printed Lungs For Veterans Using 3D Printing

    Researchers at the VA Ann Arbor Healthcare System in Michigan, announced their pioneering project of creating a Portable Artificial Lung using 3D Printing. The wearable CO2 removal device for Veteran rehabilitation from lung disease is part of a two-year grant project, whose parts will be printed on a Stratasys J750 and Stereolithography 3D printers for other smaller parts. The project is expected to unfold by five to six years, where they will test the lung into a cohort of sheep using the cannulation technique, after which the sheep will be under anaesthesia for six hours, followed by chronic implantation where the sheep will be taken out of anaesthesia and monitored for 30 days.

  • Study Reviews Possible Outcomes Of 3D Printed Acetabular Cups

    Study Reviews Possible Outcomes Of 3D Printed Acetabular Cups

    A Research in London was done on Titanium Acetabular Cups made through 3D Printing comparing the designs of different 3D printed cups from multiple manufacturers which included: Delta TT (Lima Corporate, Italy) – 3D printed with electron beam melting (EBM), starting from Ti6Al4V powder; Trident II Tritanium (Stryker, USA) – 3D printed with laser rapid manufacturing (LRM), using titanium-aluminium-vanadium alloy (Ti6Al4V) powder and Mpact 3D Metal (Medacta, Switzerland) – 3D printed with electron beam melting (EBM), starting from Ti6Al4V powder. They were found to have beads, a known by-product of the manufacturing process, which may potentially be released in the human body.

  • 3D Printed Surgical Models Provide Insights To Rare Congenital Heart Disease

     3D Printed Surgical Models Provide Insights To Rare Congenital Heart Disease

    Researchers from China’s Zhejiang University used 3D Printing to study Anomalous Pulmonary Venous Connection (APVC), an uncommon congenital anomaly in which pulmonary venous blood flows directly into the right side of the heart or into the systemic veins. 3D printing of the personalized heart models was completed via an ISLA 650 3D printer (Shining 3D, China). Each patient-specific heart model took around half an hour to two hours to model, with 3D printing requiring anywhere from two to five hours. Surgeries were performed on all 17 patients, and each procedure was successful.

  • Irish Researchers Invent 3D Printer For Application In Neurophysiology

     Irish Researchers Invent 3D Printer For Application In Neurophysiology

    Thomas Campbell and James F.X. Jones, Researchers from School of Medicine, University College Dublin, Ireland, have a created a new Open-Source 3D Printer relying on an XYZ positioning system capable of moving a sensor or probe. The latest FDM printer is run by a standard Raspberry Pi 3, incorporated with Open Computer Vision Library (OpenCV), Arduino Mega, RAMPS 1.4 motor shield, and NEMA17 bipolar stepper motors and approximately cost around $670.20. The applications include: Automated Microscopy Script that links seamlessly with image stitching plugins in ImageJ (Fiji) allowing the user to create high resolution montages application of graded rates of stretch to muscle spindles, a component of reflexes in our human body.

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