Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine最新文献_第4页

Deep learning and robotics enabled approach for audio based emotional pragmatics deficits identification in social communication disorders. 基于深度学习和机器人技术的音频情感语用缺陷识别方法。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-03-01 Epub Date: 2025-03-13 DOI: 10.1177/09544119251325331

Muskan Chawla, Surya Narayan Panda, Vikas Khullar

{"title":"Deep learning and robotics enabled approach for audio based emotional pragmatics deficits identification in social communication disorders.","authors":"Muskan Chawla, Surya Narayan Panda, Vikas Khullar","doi":"10.1177/09544119251325331","DOIUrl":"10.1177/09544119251325331","url":null,"abstract":"The aim of this study is to develop Deep Learning (DL) enabled robotic systems to identify audio-based emotional pragmatics deficits in individuals with social pragmatic communication deficits. The novelty of the work stems from its integration of deep learning with a robotics platform for identifying emotional pragmatics deficits. In this study, the proposed methodology utilizes the implementation of machine and DL-based classification techniques, which have been applied to a collection of open-source datasets to identify audio emotions. The application of pre-processing and converting audio signals of different emotions utilizing Mel-Frequency Cepstral Coefficients (MFCC) resulted in improved emotion classification. The data generated using MFCC were used for the training of machine or DL models. The trained models were then tested on a randomly selected dataset. DL has been proven to be more effective in the identification of emotions using robotic structure. As the data generated by MFCC is of a single dimension, therefore, one-dimensional DL algorithms, such as 1D-Convolution Neural Network, Long Short-Term Memory, and Bidirectional-Long Short-Term Memory, were utilized. In comparison to other algorithms, bidirectional Long Short-Term Memory model has resulted in higher accuracy (96.24%), loss (0.2524 in value), precision (92.87%), and recall (92.87%) in comparison to other machine and DL algorithms. Further, the proposed model was deployed on the robotic structure for real-time detection for improvement of social-emotional pragmatic responses in individuals with deficits. The approach can serve as a potential tool for the individuals with pragmatic communication deficits.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":" ","pages":"332-346"},"PeriodicalIF":1.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143625675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Role of 3D printing in healthcare: A comprehensive review on treatment and training. 3D打印在医疗保健中的作用：对治疗和培训的全面回顾。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-03-01 Epub Date: 2025-03-22 DOI: 10.1177/09544119251321585

Maruf Nizam, Rajesh Purohit, Mohammad Taufik

{"title":"Role of 3D printing in healthcare: A comprehensive review on treatment and training.","authors":"Maruf Nizam, Rajesh Purohit, Mohammad Taufik","doi":"10.1177/09544119251321585","DOIUrl":"10.1177/09544119251321585","url":null,"abstract":"Additive manufacturing (AM) is revolutionizing healthcare by enabling the creation of customized 3D printed (3DP) medical equipment, implants, orthoses, prosthetics, drugs, and organs. With the availability of different types of materials suitable for 3DP and healthcare applications, this technology allows for the precise fabrication of patient-oriented prosthetics, dental implants, and orthopedic devices, significantly improving fit and functionality. Additionally, 3DP drugs, such as Oral Dispersible Formulations (ODFs) and polypills, are surpassing the traditional \"one pill fits all\" concept, offering more tailored medication solutions. This innovation also supports the development of personalized medications and bioprinted tissues, opening the way for advancements in regenerative medications and tailored therapies. 3D-bioprinted organs are addressing the growing demand for organ transplants. In surgical planning, 3D-printed anatomical models provide students and professionals with hands-on practice, which is crucial for skill development and understanding complex anatomies. Surgeons can also practice and refine techniques before actual procedures, enhancing precision and improving outcomes during real operations. This paper focus on highlighting the progression and motivations behind the cross-disciplinary applications of AM within the healthcare sector providing customized medical devices, drug delivery systems and diagnostic tools for personalized treatment and skill refinement. This paper is designed for a broad audience, including manufacturing professionals and researchers, who are interested in exploring the medical implications of this transformative technology.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":" ","pages":"239-265"},"PeriodicalIF":1.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143677088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biodegradable mesh implants for prolapse repair: Advances in computational modelling and experimental validation. 用于脱垂修复的可生物降解网状植入物：计算模型和实验验证的进展。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-03-01 Epub Date: 2025-04-16 DOI: 10.1177/09544119251323336

Francisca Vaz, Telma Silva, Elisabete Silva, Marco Parente, Sofia Brandão, António Augusto Fernandes

{"title":"Biodegradable mesh implants for prolapse repair: Advances in computational modelling and experimental validation.","authors":"Francisca Vaz, Telma Silva, Elisabete Silva, Marco Parente, Sofia Brandão, António Augusto Fernandes","doi":"10.1177/09544119251323336","DOIUrl":"https://doi.org/10.1177/09544119251323336","url":null,"abstract":"Pelvic organ prolapse (POP) limits people's quality of life and is quite common in women, especially with advancing age. As cases increase, there is an urgent need for alternative treatments, especially for severe POP, where options remain limited. Surgical procedures involving synthetic meshes are associated with several complications, leading to the FDA (Food and Drug Administration) banning the commercialisation of these meshes to treat cases of transvaginal prolapse. Biodegradable meshes offer a potential solution to address the drawbacks associated with synthetic meshes, offering improved biocompatibility and biomechanical properties.This study developed computational models with variations in pore geometry, pore size, filament thickness and the inclusion of filaments in specific regions of the mesh. One of the meshes was then 3D printed to validate the simulation results. Subsequently, a uniaxial tensile test was performed on sow vaginal tissue to compare its mechanical behaviour with the simulations and identify meshes that closely mimic vaginal tissue behaviour. The mesh that most closely replicates vaginal tissue behaviour featured a smaller pore diameter (1.50 mm), filaments placed in specific areas, and variable filament thickness across the mesh. However, when compared to the uterosacral ligament, the meshes did not exhibit similar mechanical properties. Additionally, the commercially available mesh failed to replicate the behaviour of both vaginal tissue and the uterosacral ligament, suggesting it may not be the optimal option for POP repair. Biodegradable meshes, with their customisable properties, show great promise as future solutions for personalised and safer surgical treatment of POP.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":"239 3","pages":"294-307"},"PeriodicalIF":1.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143977741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Technological interventions for the suppression of hand tremors: A literature review. 抑制手颤的技术干预：文献综述。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-03-01 Epub Date: 2025-03-15 DOI: 10.1177/09544119251325115

Krishnakumar Sankar, Mohammed Aasim Subairdeen, Navaneetha Krishnan Muthukrishnan

{"title":"Technological interventions for the suppression of hand tremors: A literature review.","authors":"Krishnakumar Sankar, Mohammed Aasim Subairdeen, Navaneetha Krishnan Muthukrishnan","doi":"10.1177/09544119251325115","DOIUrl":"10.1177/09544119251325115","url":null,"abstract":"A tremor is a neurological disorder that results in trembling or shaking in one or more body parts. A thorough literature review was conducted to investigate the methods for suppressing tremors. We looked for articles published between 1995 and 2024 in the databases CINAHL (Cumulative Index to Nursing and Allied Health Literature), PubMed, Medline, Embase, Scopus, and Cochrane. Two thousand two hundred fifty distinct items were discovered after an extensive search. Based only on the title, 250 were included. Two hundred papers were deemed ineligible after the abstracts were assessed. The remaining 26 articles were shortlisted after screening titles and abstracts and categorized based on treatment methods for hand tremors. According to the study's findings, deep brain stimulation (DBS) and electrical stimulation both reduced tremors considerably. It was also evident that attenuation systems and passive devices lessen the effects of tremors; target tracking tasks can lessen physiological tremors in postural posture; ET may have better hand functions after cold water treatment than warm water or at baseline; and targeted ultrasound thalamotomy is an effective treatment for ET, as it improved quality of life (QoL) significantly. Additionally, the design, development, and evaluation of wearable devices and pharmaceutical interventions for tremor suppression were investigated in detail. The main objective was to perform a comparative analysis of the merits and demerits of both treatment methodologies in terms of functional outcomes, users' comfort, and side effects. The review highlights wearable devices as a beneficial option for tremor suppression, offering comfort, safety, and advanced technology over pharmaceutical intervention methodologies.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":" ","pages":"266-285"},"PeriodicalIF":1.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143634395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel preoperative prosthetic position planning algorithm for total hip arthroplasty based on the no-impingement principle: A case study. 一种基于无碰撞原则的全髋关节置换术术前假体位置规划算法：一个案例研究。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-03-01 Epub Date: 2025-03-13 DOI: 10.1177/09544119251319960

Tao Feng, Hao Tang, Xiaogang Zhang, Yali Zhang, Yixin Zhou, Zhongmin Jin

{"title":"A novel preoperative prosthetic position planning algorithm for total hip arthroplasty based on the no-impingement principle: A case study.","authors":"Tao Feng, Hao Tang, Xiaogang Zhang, Yali Zhang, Yixin Zhou, Zhongmin Jin","doi":"10.1177/09544119251319960","DOIUrl":"10.1177/09544119251319960","url":null,"abstract":"Most preoperative planning calculations of impingement-free range of motion (IFROM) and impingement-free safe zone (IFSZ) rarely consider non-standard shaped prostheses and bony impingement (BI) for total hip arthroplasty (THA). This research developed a novel algorithm that considers BI, prosthetic impingement, pelvic tilt angle (PT) in the sagittal plane, and non-standard-shaped hip prostheses. This research aimed to investigate the effect of BI and PT on hip IFROM, IFSZ, and the BI rate. Using this algorithm to calculate a case, we found that when considering BI, (1) the upper limit of the hip IFROM was decreased, and the different PT affected the upper limit of the hip IFROM of various movements; (2) the BI rate of the flat-rim liner in standing and sitting postures were 54.6% and 67%; and (3) the maximum IFSZ size of the flat-rim liner was reduced by 12%, the reduction rate of the combined pelvic position with a non-zero IFSZ size was 83.2% for the flat-rim liner. Consideration of BI further reduces the IFROM, the IFSZ size, and the number of the combined position of the pelvis with a non-zero IFSZ size of the hip joint. Importantly, this algorithm provides a reliable tool for personalized prosthesis positioning for THA. This algorithm has excellent applications in personalized surgical planning and surgical robotics.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":" ","pages":"321-331"},"PeriodicalIF":1.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143625654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of file type and DXA protocol on an image processing fracture risk prediction tool. 文件类型和DXA协议对图像处理骨折风险预测工具的影响。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-03-01 Epub Date: 2025-04-16 DOI: 10.1177/09544119251327649

Ali Ammar, Fatemeh Jazinizadeh, Jonathan D Adachi, Cheryl E Quenneville

{"title":"The effect of file type and DXA protocol on an image processing fracture risk prediction tool.","authors":"Ali Ammar, Fatemeh Jazinizadeh, Jonathan D Adachi, Cheryl E Quenneville","doi":"10.1177/09544119251327649","DOIUrl":"https://doi.org/10.1177/09544119251327649","url":null,"abstract":"Osteoporosis, a common bone disease in older adults, is associated with low bone mineral density (BMD) and an increased risk of fractures. While fracture risk is often assessed using T-scores derived from dual-energy X-ray absorptiometry (DXA) scans, these measures are not fully effective in identifying individuals at greatest risk. To address this, a Statistical Shape and Appearance Modeling (SSAM) tool was previously developed to analyze femur shape and BMD distribution and demonstrated superior fracture risk prediction compared to T-scores using hip DXA scans exported in JPG format. The present study aimed to evaluate whether changes in DXA-imaging protocol (hip protocol vs. High-Definition Instant Vertebral Assessment (IVA-HD)) may influence the image and the SSAM tool's fracture risk predictions. The effect of image file type (JPG vs. PNG) was also explored, as native formats such as Digital Imaging and Communications in Medicine (DICOM) cannot be readily exported or saved in large databases. DXA scans from 36 subjects and seven cadaveric femurs were analyzed across four imaging conditions (file types and imaging protocols). Structural Similarity Index Measures (SSIM) quantified image differences, and Bland-Altman plots assessed agreement in fracture risk predictions. Minimal differences were found in SSAM tool outputs across protocols and file types. Higher-resolution scans (IVA-HD) and lossless file types (PNG) did not improve the accuracy of risk predictions compared to the standard hip protocol in JPG format. These findings suggest that the SSAM tool is robust to variations in imaging conditions, supporting its use with standard DXA imaging protocols and file formats.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":"239 3","pages":"308-320"},"PeriodicalIF":1.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12003932/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144030671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthetic data generation in motion analysis: A generative deep learning framework. 运动分析中的合成数据生成：生成式深度学习框架。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-02-01 Epub Date: 2025-02-04 DOI: 10.1177/09544119251315877

Mattia Perrone, Steven P Mell, John T Martin, Shane J Nho, Scott Simmons, Philip Malloy

{"title":"Synthetic data generation in motion analysis: A generative deep learning framework.","authors":"Mattia Perrone, Steven P Mell, John T Martin, Shane J Nho, Scott Simmons, Philip Malloy","doi":"10.1177/09544119251315877","DOIUrl":"10.1177/09544119251315877","url":null,"abstract":"Generative deep learning has emerged as a promising data augmentation technique in recent years. This approach becomes particularly valuable in areas such as motion analysis, where it is challenging to collect substantial amounts of data. The objective of the current study is to introduce a data augmentation strategy that relies on a variational autoencoder to generate synthetic data of kinetic and kinematic variables. The kinematic and kinetic variables consist of hip and knee joint angles and moments, respectively, in both sagittal and frontal plane, and ground reaction forces. Statistical parametric mapping (SPM) did not detect significant differences between real and synthetic data for each of the biomechanical variables considered. To further evaluate the effectiveness of this approach, a long-short term model (LSTM) was trained both only on real data (R) and on the combination of real and synthetic data (R&S); the performance of each of these two trained models was then assessed on real test data unseen during training. The principal findings included achieving comparable results in terms of nRMSE when predicting knee joint moments in the frontal (R&S: 9.86% vs R: 10.72%) and sagittal plane (R&S: 9.21% vs R: 9.75%), and hip joint moments in the frontal (R&S: 16.93% vs R: 16.79%) and sagittal plane (R&S: 13.29% vs R: 14.60%). The main novelty of this study lies in introducing an effective data augmentation approach in motion analysis settings.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":" ","pages":"202-211"},"PeriodicalIF":1.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143123469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Bone Data Lake: A storage platform for bone texture analysis. 骨数据湖：骨结构分析的存储平台。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-02-01 Epub Date: 2025-02-20 DOI: 10.1177/09544119251318434

Marcin Wolski, Tomasz Woloszynski, Gwidon Stachowiak, Pawel Podsiadlo

{"title":"Bone Data Lake: A storage platform for bone texture analysis.","authors":"Marcin Wolski, Tomasz Woloszynski, Gwidon Stachowiak, Pawel Podsiadlo","doi":"10.1177/09544119251318434","DOIUrl":"10.1177/09544119251318434","url":null,"abstract":"Trabecular bone (TB) texture regions selected on hand and knee X-ray images can be used to detect and predict osteoarthritis (OA). However, the analysis has been impeded by increasing data volume and diversification of data formats. To address this problem, a novel storage platform, called Bone Data Lake (BDL) is proposed for the collection and retention of large numbers of images, TB texture regions and parameters, regardless of their structure, size and source. BDL consists of three components, i.e.: a raw data storage, a processed data storage, and a data reference system. The performance of the BDL was evaluated using 20,000 knee and hand X-ray images of various formats (DICOM, PNG, JPEG, BMP, and compressed TIFF) and sizes (from 0.3 to 66.7 MB). The images were uploaded into BDL and automatically converted into a standardized 8-bit grayscale uncompressed TIFF format. TB regions of interest were then selected on the standardized images, and a data catalog containing metadata information about the regions was constructed. Next, TB texture parameters were calculated for the regions using Variance Orientation Transform (VOT) and Augmented VOT (AVOT) methods and stored in XLSX files. The files were uploaded into BDL, and then transformed into CSV files and cataloged. Results showed that the BDL efficiently transforms images and catalogs bone regions and texture parameters. BDL can serve as the foundation of a reliable, secure and collaborative system for OA detection and prediction based on radiographs and TB texture.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":" ","pages":"190-201"},"PeriodicalIF":1.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of mechanical biocompatibility of cog threads for prolapse repair. 脱垂修复用齿轮螺纹的机械生物相容性评价。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-02-01 Epub Date: 2025-04-02 DOI: 10.1177/09544119251321130

N M Ferreira, M E T Silva, M P L Parente, F Pinheiro, T Mascarenhas, A A Fernandes

{"title":"Evaluation of mechanical biocompatibility of cog threads for prolapse repair.","authors":"N M Ferreira, M E T Silva, M P L Parente, F Pinheiro, T Mascarenhas, A A Fernandes","doi":"10.1177/09544119251321130","DOIUrl":"10.1177/09544119251321130","url":null,"abstract":"Pelvic floor disorders (PFD), including Pelvic Organ Prolapse (POP), can negatively impact a woman's daily activities and quality of life. POP is a growing concern, with an increasing number of cases each year and significant numbers of women going through surgery to alleviate it. Traditional interventions like the use of mesh implants have certain limitations such as repeated surgeries. An alternative surgical intervention technique using injectable biodegradable cog threads was suggested. The application of Finite element analysis (FEA) to this research allows us to personalize and select suitable POP correction techniques and study the effect of alternative reinforcement techniques. The 3D computational model of the vagina will be used to simulate defect repair using cog threads. To accurately model this, we conducted uniaxial tensile tests on both the polycaprolactone (PCL) cog threads and the sow's vaginal tissues, which mimic human tissue, providing vital data for precise finite element modeling. The study's findings suggest that cog threads may have the potential to provide benefits in the treatment of POP. This study provides a starting point for further research on cog threads as one possible treatment option for POP.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":"239 2","pages":"155-164"},"PeriodicalIF":1.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143764970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Torsional behavior of peripheral vascular stents: The role of stent design parameters. 周围血管支架的扭转行为：支架设计参数的作用。

IF 1.7 4区医学

Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine Pub Date : 2025-02-01 Epub Date: 2025-02-17 DOI: 10.1177/09544119251317621

Xiang Shen, Jiahao Chen, Yue Xu, Qiang Liu, Zewen He, Lei Wang, Peng Sun, Hongfei Zhu, Hengfeng Yan

{"title":"Torsional behavior of peripheral vascular stents: The role of stent design parameters.","authors":"Xiang Shen, Jiahao Chen, Yue Xu, Qiang Liu, Zewen He, Lei Wang, Peng Sun, Hongfei Zhu, Hengfeng Yan","doi":"10.1177/09544119251317621","DOIUrl":"10.1177/09544119251317621","url":null,"abstract":"Torsional performance is a critical evaluation criterion in the design of peripheral vascular stents, enabling them to adapt to the deformation of the vessel to reduce damage to the vascular wall and thus avoiding in-stent restenosis (ISR). Therefore, this study employed the finite element method (FEM) to investigate the impact of stent design parameters on the torsional behavior of self-expanding peripheral vascular stents. These parameters included stent diameter and thickness, as well as the length and width of struts and links. Results revealed that among all parameters, strut length and width significantly influence the stent torsional performance, whereas link width has a lesser effect. Notably, increasing strut length and decreasing strut width were found to significantly reduce the required torque, with the twist metric (TM) reduced by approximately 86.3% when strut length increased from 1.2 to 2.8 mm. Moreover, reductions in stent diameter and thickness, alongside an increase in link length, further contributed to a decrease in TM, thereby enhancing the stent torsional performance. This study may provide insights for better peripheral stent design and clinical decision of stent choice.","PeriodicalId":20666,"journal":{"name":"Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine","volume":" ","pages":"121-132"},"PeriodicalIF":1.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143441799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0