Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference最新文献_第8页

Anatomically based computational models of the male and female pelvic floor and anal canal. 基于解剖学的男性和女性骨盆底和肛管的计算模型。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.259886

K F Noakes, I P Bissett, A J Pullan, L K Cheng

{"title":"Anatomically based computational models of the male and female pelvic floor and anal canal.","authors":"K F Noakes, I P Bissett, A J Pullan, L K Cheng","doi":"10.1109/IEMBS.2006.259886","DOIUrl":"https://doi.org/10.1109/IEMBS.2006.259886","url":null,"abstract":"The understanding of the pelvic floor and anal canal, in the study of incontinence, has been limited by the inability to integrate both anatomy and physiology into a unified bioengineering model. However, this integration has been achieved in the study of other organs in the body, most notably the heart. In this study we construct three-dimensional anatomically realistic models of both the male and female pelvic floor and anal canal regions using similar techniques to those used in cardiac modelling. Anatomical data from the Visible Human Project was used to provide the anatomical positioning of each model component within the region of interest. A C1 continuous cubic Hermite finite element mesh was then created using an iterative linear fitting procedure (Root Mean Square (RMS) error of fit < 2 mm). With this mesh we seek to examine the roles of the various muscles in maintaining continence. Our ultimate aim is to provide a framework with which to examine the mechanics of normal function and stability in the pelvic floor, and the abnormalities associated with the defecation disorders fecal incontinence and obstructed defecation, thereby providing a tool to further the education of clinicians, patients, and students and enabling virtual planning of corrective surgery.","PeriodicalId":72689,"journal":{"name":"Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference","volume":" ","pages":"3815-8"},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/IEMBS.2006.259886","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"27055309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

Quantification of progression and regression of carotid vessel atherosclerosis using 3D ultrasound images. 应用三维超声图像量化颈动脉粥样硬化的进展和消退。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.260661

Bernard Chiu, Micaela Egger, J David Spence, Grace Parraga, Aaron Fenster

引用次数: 12

A comparison of adaptive and non-adaptive EEG source localization algorithms using a realistic head model. 基于真实头部模型的自适应与非自适应脑电信号源定位算法的比较。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.259374

John P Russell, Zoltan J Koles

{"title":"A comparison of adaptive and non-adaptive EEG source localization algorithms using a realistic head model.","authors":"John P Russell, Zoltan J Koles","doi":"10.1109/IEMBS.2006.259374","DOIUrl":"https://doi.org/10.1109/IEMBS.2006.259374","url":null,"abstract":"An accurate and robust electroencephalogram (EEG) source localization algorithm would be a definite asset for the surgical treatment of patients with epilepsy. Due to the underdetermined nature of the EEG inverse problem, a variety of algorithms with unique constraints and assumptions are applied to select the current dipole source distribution that best accounts for the scalp recordings. We investigated four algorithms: two non-adaptive algorithms: the minimum norm and LORETA as well as two adaptive algorithms: the Borgiotti-Kaplan and eigenspace projection beamformers. Compared over a range of SNR values and single source locations, we found that the eigenspace projection beamformer exhibited superior localizing capabilities compared to the other three algorithms while minimizing source current dispersion. The size of the data window required to accurately localize using the adaptive beamformers was also investigated to improve algorithm efficiency and minimize stationary source assumptions.","PeriodicalId":72689,"journal":{"name":"Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference","volume":" ","pages":"972-5"},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/IEMBS.2006.259374","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"27055399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Quantification of dynamic property of pneumatic muscle actuator for design of therapeutic robot control. 用于治疗机器人控制设计的气动肌肉执行器动态特性量化。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.259536

Sivakumar Balasubramanian, He Huang, Jiping He

引用次数: 13

Microfabrication procedure of PDMS microbeam array using photolithography for laminin printing and piconewton force transduction on axons. 利用光刻技术进行层粘连印刷和轴突上的皮牛顿力传导的PDMS微束阵列微细加工工艺。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.260311

F Mert Sasoglu, Andrew J Bohl, Bradley E Layton

{"title":"Microfabrication procedure of PDMS microbeam array using photolithography for laminin printing and piconewton force transduction on axons.","authors":"F Mert Sasoglu, Andrew J Bohl, Bradley E Layton","doi":"10.1109/IEMBS.2006.260311","DOIUrl":"https://doi.org/10.1109/IEMBS.2006.260311","url":null,"abstract":"The purpose of this paper is to introduce our design for transducing forces on the order of tens of piconewtons by optically measuring deflection of a microfabricated beam tip as it pulls on an array of flexible structures such as axons in an array of laminin-printed neurons. To achieve this we have designed polymeric beams with spring constants on the order of 10 pN/microm. We have fabricated circular microbeams with Sylgard polydimethylsiloxane (PDMS). The elastic modulus of PDMS was determined experimentally using a microscale and a micrometer at different concentrations of curing agent and base agent and found to be on the order of 100 kPa. The designed geometry is a 100x100 tapered microcone array with each beam having a length of 100 microm, and a base diameter of 10 microm. A SU-8 negative photoresist is etched using photolithography and used as a mold for PDMS soft lithography. PDMS was injected into the mold and the array peeled from the mold.","PeriodicalId":72689,"journal":{"name":"Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference","volume":" ","pages":"2844-7"},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/IEMBS.2006.260311","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"27055412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Predicting probability of mortality in the neonatal intensive care unit. 预测新生儿重症监护病房的死亡率。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.260771

Dajie Zhou, Monique Frize

引用次数: 5

A 3D level sets method for segmenting the mouse spleen and follicles in volumetric microCT images. 三维水平集方法分割小鼠脾脏和卵泡在体积微ct图像。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.260127

Jeffrey R Price, Deniz Aykac, Jonathan Wall

引用次数: 5

A smart video magnifier controlled by the visibility signal of a low vision user. 一种由低视力用户的可视信号控制的智能视频放大镜。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.259900

Michio Miyakawa, Yoshinobu Maeda, Youichi Miyazawa, Junichi Hori

引用次数: 1

Aspects of nonlinear dielectric spectroscopy of biological cell suspensions. 生物细胞悬浮液的非线性介电光谱研究。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.260319

C J McLellan, A D C Chan, R A Goubran

引用次数: 3

Insulin secretion rate and beta-cell sensitivity from oral glucose tolerance test in normotensive and normoglycemic humans. 正常血压和正常血糖人群口服葡萄糖耐量试验的胰岛素分泌率和β细胞敏感性。

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2006-01-01 DOI: 10.1109/IEMBS.2006.260216

Francesco Di Nardo, Pamela Cerasa, Fabrizio Casagrande, Massimo Boemi, Pierpaolo Morosini, Roberto Burattini

{"title":"Insulin secretion rate and beta-cell sensitivity from oral glucose tolerance test in normotensive and normoglycemic humans.","authors":"Francesco Di Nardo, Pamela Cerasa, Fabrizio Casagrande, Massimo Boemi, Pierpaolo Morosini, Roberto Burattini","doi":"10.1109/IEMBS.2006.260216","DOIUrl":"https://doi.org/10.1109/IEMBS.2006.260216","url":null,"abstract":"Aim of the study was to test the reproducibility of estimates of static, Phi s, and dynamic, Phi d, beta-cell sensitivity to glucose, and predictions of the insulin secretion rate, SR(t), provided by the C-peptide oral minimal model (COMM) applied to oral glucose tolerance tests (OGTT) of various complexity. The study involved six volunteer, normotensive and normoglycemic subjects who underwent a 300-minute OGTT. Results from a full 22-sampling schedule (OGTT300/22), were compared with those from two reduced schedules consisting of 11 samples in 300 min (OGTT300/11) and 7 samples in 120 min (OGTT120/7). Our results showed that both reduced-sample protocols did not affect significantly the estimates of Phi d. Intraclass correlation coefficients were higher than 0.9. The Phi s appeared more sensitive to reductions of protocol complexity. Nevertheless, intraclass correlation coefficients kept higher than 0.7. No significant differences were found in model predictions of SR(t) profiles among all tested OGTT protocols. These findings confirm the COMM as a potentially useful tool to quantify beta-cell sensitivity and insulin secretion rate in pathophysiological studies, from relatively low-cost OGTT.","PeriodicalId":72689,"journal":{"name":"Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference","volume":" ","pages":"449-50"},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/IEMBS.2006.260216","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"27055661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1