The use of 3D printing technology in the creation of patient-specific facial prostheses

2020 ◽  
Vol 189 (4) ◽  
pp. 1215-1221 ◽  
Author(s):  
Ross G. Sherwood ◽  
Niall Murphy ◽  
Gerard Kearns ◽  
Conor Barry
Keyword(s):  
3D Printing ◽  
Patient Specific ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Facial Prostheses ◽  
The Creation

scholarly journals Fabricating Lattice Structures via 3D Printing: The Case of Porous Bio-Engineered Scaffolds

2021 ◽  
Vol 2 (2) ◽  
pp. 289-302
Author(s):  
Antreas Kantaros ◽  
Dimitrios Piromalis
Keyword(s):  
3D Printing ◽  
Great Accuracy ◽  
Patient Specific ◽  
Layer By Layer ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Geometry Design ◽  
Layer Deposition ◽  
Controlled Porosity ◽  
Porosity Percentage

Over time, the fabrication of lattice, porous structures has always been a controversial field for researchers and practitioners. Such structures could be fabricated in a stochastic way, thus, with limited control over the actual porosity percentage. The emerging technology of 3D printing, offered an automated process that did not require the presence of molds and operated on a layer-by-layer deposition basis, provided the ability to fabricate almost any shape through a variety of materials and methods under the umbrella of the ASTM terminology “additive manufacturing”. In the field of biomedical engineering, the technology was embraced and adopted for relevant applications, offering an elevated degree of design freedom. Applications range in the cases where custom-shaped, patient-specific items have to be produced. Scaffold structures were already a field under research when 3D printing was introduced. These structures had to act as biocompatible, bioresorbable and biodegradable substrates, where the human cells could attach and proliferate. In this way, tissue could be regenerated inside the human body. One of the most important criteria for such a structure to fulfil is the case-specific internal geometry design with a controlled porosity percentage. 3D printing technology offered the ability to tune the internal porosity percentage with great accuracy, along with the ability to fabricate any internal design pattern. In this article, lattice scaffold structures for tissue regeneration are overviewed, and their evolution upon the introduction of 3D printing technology and its employment in their fabrication is described.

scholarly journals Clinical applications of custom 3D printed implants in complex lower extremity reconstruction

2020 ◽  
Vol 6 (1) ◽  
Author(s):  
Rishin J. Kadakia ◽  
Colleen M. Wixted ◽  
Nicholas B. Allen ◽  
Andrew E. Hanselman ◽  
Samuel B. Adams
Keyword(s):  
3D Printing ◽  
Bone Loss ◽  
Lower Extremity ◽  
Orthopaedic Surgery ◽  
Patient Specific ◽  
Foot And Ankle ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Lower Extremity Reconstruction ◽  
Extremity Reconstruction

Abstract Background Three dimensional printing has greatly advanced over the past decade and has made an impact in several industries. Within the field of orthopaedic surgery, this technology has vastly improved education and advanced patient care by providing innovating tools to complex clinical problems. Anatomic models are frequently used for physician education and preoperative planning, and custom instrumentation can assist in complex surgical cases. Foot and ankle reconstruction is often complicated by multiplanar deformity and bone loss. 3D printing technology offers solutions to these complex cases with customized implants that conform to anatomy and patient specific instrumentation that enables precise deformity correction. Case presentation The authors present four cases of complex lower extremity reconstruction involving segmental bone loss and deformity – failed total ankle arthroplasty, talus avascular necrosis, ballistic trauma, and nonunion of a tibial osteotomy. Traditional operative management is challenging in these cases and there are high complication rates. Each case presents a unique clinical scenario for which 3D printing technology allows for innovative solutions. Conclusions 3D printing is becoming more widespread within orthopaedic surgery. This technology provides surgeons with tools to better tackle some of the more challenging clinical cases especially within the field of foot and ankle surgery.

scholarly journals The effect of three-dimensional (3D) printing on quantitative and qualitative outcomes in paediatric orthopaedic osteotomies: a systematic review

2021 ◽  
Vol 6 (2) ◽  
pp. 130-138
Author(s):  
Mohsen Raza ◽  
Daniel Murphy ◽  
Yael Gelfer
Keyword(s):  
Systematic Review ◽  
3D Printing ◽  
Blood Loss ◽  
Operating Time ◽  
Three Dimensional ◽  
Patient Specific ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Significant Difference ◽  
Paediatric Orthopaedic

Three-dimensional (3D) printing technology is increasingly being utilized in various surgical specialities. In paediatric orthopaedics it has been applied in the pre-operative and intra-operative stages, allowing complex deformities to be replicated and patient-specific instrumentation to be used. This systematic review analyses the literature on the effect of 3D printing on paediatric orthopaedic osteotomy outcomes. A systematic review of several databases was conducted according to PRISMA guidelines. Studies evaluating the use of 3D printing technology in orthopaedic osteotomy procedures in children (aged ≤ 16 years) were included. Spinal and bone tumour surgery were excluded. Data extracted included demographics, disease pathology, target bone, type of technology, imaging modality used, qualitative/quantitative outcomes and follow-up. Articles were further categorized as either ‘pre-operative’ or ‘intra-operative’ applications of the technology. Twenty-two articles fitting the inclusion criteria were included. The reported studies included 212 patients. There were five articles of level of evidence 3 and 17 level 4. A large variety of outcomes were reported with the most commonly used being operating time, fluoroscopic exposure and intra-operative blood loss. A significant difference in operative time, fluoroscopic exposure, blood loss and angular correction was found in the ‘intra-operative’ application group. No significant difference was found in the ‘pre-operative’ category. Despite a relatively low evidence base pool of studies, our aggregate data demonstrate a benefit of 3D printing technology in various deformity correction applications, especially when used in the ‘intra-operative’ setting. Further research including paediatric-specific core outcomes is required to determine the potential benefit of this novel addition. Cite this article: EFORT Open Rev 2021;6:130-138. DOI: 10.1302/2058-5241.6.200092

scholarly journals The Patient-Specific Implant Created with 3D Printing Technology in Treatment of the Irreparable Radial Head in Chronic Persistent Elbow Instability

2018 ◽  
Vol 2018 ◽  
pp. 1-6
Author(s):  
Suriya Luenam ◽  
Arkaphat Kosiyatrakul ◽  
Chanon Hansudewechakul ◽  
Kantapat Phakdeewisetkul ◽  
Boonrat Lohwongwatana ◽  
...  
Keyword(s):  
3D Printing ◽  
Radial Head ◽  
Radial Head Fracture ◽  
Present Report ◽  
Patient Specific ◽  
Favorable Result ◽  
Elbow Instability ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Orthopedic Surgeons

Successful treatment of the chronic persistent elbow instability is a challenge for orthopedic surgeons. In this form, it is important to recognize and restore the osseous stabilizer in order to obtain the concentric reduction. In the present report, we describe a case of such injury with irreparable radial head treated with patient-specific radial head prosthesis which was created with 3D printing technology. To our knowledge, this is the first report in clinical use of this kind of prosthesis for the radial head fracture. At a 24-month follow-up visit, the patient was satisfied with the functional outcomes. The Mayo Elbow Performance Index (MEPI) increased from 20 points at the preoperative day to 85 points, and the patient-based Disabilities of the Arm, Shoulder, and Hand (DASH) was reduced from 88.33 points to 28.33 points. Due to the favorable result, replacement of the radial head with the patient-specific implant could be a useful treatment for the irreparable radial head in chronic persistent elbow instability.

MO-H-19A-03: Patient Specific Bolus with 3D Printing Technology for Electron Radiotherapy

2014 ◽  
Vol 41 (6Part26) ◽  
pp. 443-443 ◽  
Author(s):  
W Zou ◽  
T Fisher ◽  
B Swann ◽  
R Siderits ◽  
M McKenna ◽  
...  
Keyword(s):  
3D Printing ◽  
Patient Specific ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Electron Radiotherapy

Review of 3D-printing technologies for wearable and implantable bio-integrated sensors

2021 ◽  
Author(s):  
Vega Pradana Rachim ◽  
Sung-Min Park
Keyword(s):  
3D Printing ◽  
Ex Situ ◽  
Patient Specific ◽  
Integrated Sensors ◽  
Integrated Sensor ◽  
Printing Technology ◽  
3D Printing Technology ◽  
In Situ Fabrication ◽  
3D Printed ◽  
Biochemical Signals

Abstract Thin-film microfabrication-based bio-integrated sensors are widely used for a broad range of applications that require continuous measurements of biophysical and biochemical signals from the human body. Typically, they are fabricated using standard photolithography and etching techniques. This traditional method is capable of producing a precise, thin, and flexible bio-integrated sensor system. However, it has several drawbacks, such as the fact that it can only be used to fabricate sensors on a planar surface, it is highly complex requiring specialized high-end facilities and equipment, and it mostly allows only 2D features to be fabricated. Therefore, developing bio-integrated sensors via 3D-printing technology has attracted particular interest. 3D-printing technology offers the possibility to develop sensors on nonplanar substrates, which is beneficial for noninvasive bio-signal sensing, and to directly print on complex 3D nonplanar organ structures. Moreover, this technology introduces a highly flexible and precisely controlled printing process to realize patient-specific sensor systems for ultimate personalized medicine, with the potential of rapid prototyping and mass customization. This review summarizes the latest advancements in 3D-printed bio-integrated systems, including 3D-printing methods and employed printing materials. Furthermore, two widely used 3D-printing techniques are discussed, namely, ex-situ and in-situ fabrication techniques, which can be utilized in different types of applications, including wearable and smart-implantable biosensor systems.

scholarly journals Current applications of 3d printing in neurosurgery

2019 ◽  
pp. 417-423
Author(s):  
A. Chiriac ◽  
A. Iencean ◽  
Georgiana Ion ◽  
G. Stan ◽  
S. Munteanu ◽  
...  
Keyword(s):  
Medical Education ◽  
3D Printing ◽  
Surgical Planning ◽  
Patient Specific ◽  
Printing Technology ◽  
3 Dimensional ◽  
3D Printing Technology ◽  
Assessment And Treatment ◽  
Printing Techniques

Medical implications of 3-dimensional (3D) printing technology have progressed with increasingly used especially in surgical fields. 3D printing techniques are practical and anatomically accurate methods of producing patient specific models for medical education, surgical planning, training and simulation, and implants production for the assessment and treatment of neurosurgical diseases. This article presents the main directions of 3D printing models application in neurosurgery.

scholarly journals Preoperative Planning Using 3D Printing Technology in Orthopedic Surgery

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Dereje Gobena Alemayehu ◽  
Zhi Zhang ◽  
Elena Tahir ◽  
Djovensky Gateau ◽  
Dang-Feng Zhang ◽  
...  
Keyword(s):  
3D Printing ◽  
Orthopedic Surgery ◽  
Preoperative Planning ◽  
Preoperative Evaluation ◽  
Orthopedic Procedures ◽  
Patient Specific ◽  
Printing Technology ◽  
3D Printing Technology ◽  
Patient Specific Instruments ◽  
3D Printed

The applications of 3D printing technology in health care, particularly orthopedics, continue to broaden as the technology becomes more advanced, accessible, and affordable worldwide. 3D printed models of computed tomography (CT) and magnetic resonance image (MRI) scans can reproduce a replica of anatomical parts that enable surgeons to get a detailed understanding of the underlying anatomy that he/she experiences intraoperatively. The 3D printed anatomic models are particularly useful for preoperative planning, simulation of complex orthopedic procedures, development of patient-specific instruments, and implants that can be used intraoperatively. This paper reviews the role of 3D printing technology in orthopedic surgery, specifically focusing on the role it plays in assisting surgeons to have a better preoperative evaluation and surgical planning.

scholarly journals Involving patients, families and medical staff in the evaluation of 3D printing models of congenital heart disease

2016 ◽  
Vol 12 (2-3) ◽  
Author(s):  
Giovanni Biglino ◽  
Claudio Capelli ◽  
Lindsay-Kay Leaver ◽  
Silvia Schievano ◽  
Andrew M. Taylor ◽  
...  
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
3D Printing ◽  
Congenital Heart ◽  
Patient Empowerment ◽  
3D Models ◽  
Patient Specific ◽  
Printing Technology ◽  
Training Tool ◽  
3D Printing Technology

Objective: To evaluate the usefulness of 3D printing patient-specific models of congenital heart disease (CHD) from the perspective of different stakeholders potentially benefiting from the technology (patients, parents, clinicians and nurses). Methods: Workshops, focus groups and teaching sessions were organized, each targeting a different group of stakeholders. Sessions involved displaying and discussing different 3D models of CHD. Model evaluation involved questionnaires, audio-recorded discussions and written feedback. Results: All stakeholders expressed a liking for the 3D models and for the patient-specific quality of such models. Patients indicated that 3D models can help them imagine “what’s going on inside” and parents agreed that these tools can spark curiosity in the young people. Clinicians indicated that teaching might be the most relevant application of such novel technology and nurses agreed that 3D models improved their learning experience during a course focused on CHD. Conclusion: The successful engagement of different stakeholders to evaluate 3D printing technology for CHD identified different priorities, highlighting the importance of eliciting the views of different groups. Practice Implications: A PPI-based approach in the evaluation and translation of 3D printing technology may increase patient empowerment, improve patient-doctor communication and provide better access to a new teaching and training tool.

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