Search Results - "B, Ravikiran"

Cannulation Skill Assessment Using Functional Data Analysis by Liu, Zhanhe, Hitchcock, David B., Singapogu, Ravikiran B.

“…Objective : A clinician's operative skill-the ability to safely and effectively perform a procedure-directly impacts patient outcomes and well-being…”
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Functional Data Analysis of Hand Rotation for Open Surgical Suturing Skill Assessment by Shayan, Amir Mehdi, Hitchcock, David B., Singh, Simar, Gao, Jianxin, Groff, Richard E., Singapogu, Ravikiran B.

“…This study explores the application of functional data analysis (FDA) to hand roll velocity during radial suturing on the SutureCoach bench simulator for…”
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Assessment of Open Surgery Suturing Skill: Image-based Metrics Using Computer Vision by Kil, Irfan, Eidt, John F., Singapogu, Ravikiran B., Groff, Richard E.

“…•This paper presents a computer vision algorithm for extraction of image-based metrics for suturing skill assessment•A suturing simulator that adapts the…”
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Low-concentration ammonia gas sensing using polyaniline nanofiber thin film grown by rapid polymerization technique by Upadhye, Deepak S., Dive, Avinash S., Birajadar, Ravikiran B., Bagul, Sagar B., Gattu, Ketan P., Sharma, Ramphal

“…A thin film of polyaniline (PANI) nanofiber was synthesized by a simple and inexpensive rapid chemical polymerization technique on glass substrate at room…”
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A Case of Malignant Pericardial Effusion, Complicated by COVID-19: Challenges and Successful Management in Rural India by A.C. Mahantesh, B. Ravikiran, N.P. Jayashree, M. Anup

“…Background Malignant pericardial effusion (MPE) is a rare presentation in cancer, associated with high morbidity and mortality. Pericardial effusion may cause…”
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Assessment of open surgery suturing skill: Simulator platform, force-based, and motion-based metrics by Kil, Irfan, Eidt, John F., Groff, Richard E., Singapogu, Ravikiran B.

“…ObjectiveThis paper focuses on simulator-based assessment of open surgery suturing skill. We introduce a new surgical simulator designed to collect…”
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Study of room temperature LPG sensing behavior of polyaniline thin film synthesized by cost effective oxidative polymerization technique by Birajadar, Ravikiran B., Upadhye, Deepak, Mahajan, Sandip, Vyas, J. C., Sharma, Ramphal

“…Polyaniline thin films doped with an inorganic acid were deposited on glass substrate using simple and cost effective oxidative polymerization technique…”
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Salient haptic skills trainer: initial validation of a novel simulator for training force-based laparoscopic surgical skills by Singapogu, Ravikiran B., DuBose, Sarah, Long, Lindsay O., Smith, Dane E., Burg, Timothy C., Pagano, Christopher C., Burg, Karen J. L.

“…Background There is an increasing need for efficient training simulators to teach advanced laparoscopic skills beyond those imparted by a box trainer. In…”
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Phytochemical Characterization, Antioxidant and Anti-Proliferative Properties of Rubia cordifolia L. Extracts Prepared with Improved Extraction Conditions by Humbare, Ravikiran B, Sarkar, Joyita, Kulkarni, Anjali A, Juwale, Mugdha G, Deshmukh, Sushil H, Amalnerkar, Dinesh, Chaskar, Manohar, Albertini, Maria C, Rocchi, Marco B L, Kamble, Swapnil C, Ramakrishna, Seeram

“…L. (Rubiaceae) is an important plant in Indian and Chinese medical systems. Extracts prepared from the root, stem and leaf have been used traditionally for the…”
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Theoretical and experimental investigations of intermediate bands in ZnS–Mg nanocrystalline thin film photosensor by Dive, Avinash S., Huse, Nanasaheb P., Gattu, Ketan P., Birajdar, Ravikiran B., Upadhyay, Devesh R., Sharma, Ramphal

“…The electronic structure of ZnS and Mg-doped ZnS thin films were calculated by first principle investigation within the density functional theory. For…”
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Enhancement of LPG sensing properties in nanocrystalline zinc oxide thin film by high electronic excitation by Birajadar, Ravikiran B., Ghosh, Arindam, Ghule, Anil, Singh, Fouran, Sharma, Ramphal

“…We present an efficient detection of liquefied petroleum gas (LPG) using zinc oxide (ZnO) thin films irradiated with swift heavy ions (SHI) of 120 MeV Au 9+…”
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Objective Differentiation of Force-Based Laparoscopic Skills Using a Novel Haptic Simulator by Singapogu, Ravikiran B., PhD, Smith, Dane E., MD, FACS, Long, Lindsay O., MS, Burg, Timothy C., PhD, Pagano, Christopher C., PhD, Burg, Karen J.L., PhD

“…Background There is a growing need for effective surgical simulators to train the novice resident with a core skill set that can be later used in advanced…”
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Nanostructured p-CuIn3Se5/n-CdS heterojunction engineered using simple wet chemical approach at room temperature for photovoltaic application by Joshi, Rajesh A., Ghosh, Arindam, Taur, Vidya S., Shaikh, Shaheed U., Siddiqui, Farha Y., Birajadar, Ravikiran B., Ghule, Anil V., Sharma, Ramphal

“…Herein, we report engineering of nanostructured p-CuIn3Se5/n-CdS heterojunction thin film on a glass substrate, which is prepared at room temperature using…”
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Surgeon’s Perception of Soft Tissue Constraints and Distance-to-Break in a Simulated Minimally Invasive Surgery Task by Long, Lindsay O., Pagano, Chris C., Singapogu, Ravikiran B., Burg, Timothy C.

“…Accurately perceiving biomechanical properties of tissues is imperative for minimizing tissue trauma and preventable injuries in minimally invasive surgery…”
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Simulator-Based Assessment of Haptic Surgical Skill: A Comparative Study by Singapogu, Ravikiran B., Long, Lindsay O., Smith, Dane E., Burg, Timothy C., Pagano, Christopher C., Prabhu, Varun V., Burg, Karen J. L.

“…The aim of this study was to examine if the forces applied by users of a haptic simulator could be used to distinguish expert surgeons from novices. Seven…”
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A haptic simulator to increase laparoscopic force application sensitivity by Long, Lindsay O, Singapogu, Ravikiran B, Arcese, Giovannina, Smith, Dane E, Burg, Timothy C, Pagano, Christopher C, Burg, Karen J L

“…Laparoscopic surgery demands perceptual-motor skills that are fundamentally different from open surgery, and laparoscopists must be adept at perceiving tissue…”
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Surgical Suturing with Depth Constraints: Image-based Metrics to Assess Skill by Kil, Irfan, Groff, Richard E., Singapogu, Ravikiran B.

“…Suturing is one of the most fundamental surgical skills, requiring careful and systematic instruction for skilled performance. In this paper, we evaluate the…”
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Endovascular seldinger needle placement: a simulator for examining haptic skills by Singapogu, Ravikiran B, Kerr, Charles M, Eidt, John F, Pagano, Christopher C, Burg, Timothy C, Smith, Dane E, Burg, Karen J L

“…In this work, we develop an affordable haptic simulator for examining haptic skills required for endovascular Seldinger needle placement…”
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Assessing surgeon and novice force skill on a haptic stiffness simulator for laparoscopic surgery by Singapogu, Ravikiran B, Smith, Dane E, Altenhoff, Bliss M, Long, Lindsay O, Prabhu, Varun V, Pagano, Christopher C, Burg, Timothy C, Burg, Karen J K L

“…Though several simulators and training methods are available for basic laparoscopic skills, few have addressed force-based skills. In this work, we discuss a…”
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Perceptual metrics: towards better methods for assessing realism in laparoscopic simulators by Singapogu, Ravikiran B, Pagano, Christopher C, Burg, Timothy C, Burg, Karen J K L

“…This work proposes a novel class of metrics for assessing haptic realism in laparoscopic surgical simulators. Results from a proposed perceptual metric are…”
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