Search Results - hamidreza+marvi

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Background Tubular structures play a critical role in sectors like manufacturing, oil and gas, and power generation, where they are essential to machinery like heat exchangers and boilers. However, the severe environments that these constructions frequently encounter cause corrosion, cracks, and other types of deterioration. Frequent inspection is...

Published: 8/7/2024 | Inventor(s): Hamidreza Marvi, Ehsan Dehghan-Niri

Keywords(s):

Category(s): Physical Science, Manufacturing/Construction/Mechanical, Applied Technologies

Octopus-Inspired Suction Cups with Embedded Sensors and Actuators

Background Soft robots have the ability to bend, deform, configure, and adapt to their surroundings, making them an ideal choice for navigating unpredictable, unstructured, and confined environments. However, challenges remain with controlling high-dimensional appendages, and the development of versatile soft robots is still in progress. Octopuses...

Published: 4/4/2024 | Inventor(s): Hamidreza Marvi, Hosain Bagheri

Keywords(s):

Category(s): Manufacturing/Construction/Mechanical, Physical Science, Applied Technologies

Radiation-Free Tracking and 3D Visualization of Medical Devices

Interventional procedures are typically minimally invasive, using flexible medical devices such as catheters, guide wires and needles, to perform ablations, embolizations, stent placements and more. Imaging, particularly X-ray imaging, is used to track the flexible medical device inside a patient’s body and allow for proper guidance, placement...

Published: 9/14/2023 | Inventor(s): Hamidreza Marvi, Mahdi Ilami

Keywords(s):

Category(s): Life Science (All LS Techs), Medical Devices

Active Magnetic Manipulation of Internal Organs and Tissues

Minimally invasive surgery (MIS) is a surgical procedure that typically utilizes an endoscope or other instrument which is passed through a small incision into a body. Because of this, it often results in less trauma, complications and adverse effects versus open-type surgery. It is not without challenges, however, particularly when it comes to tissue...

Published: 12/28/2023 | Inventor(s): Hamidreza Marvi, Mahdi Ilami, Terry Jue, Norio Fukami

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Category(s): Life Science (All LS Techs), Medical Devices

Non-Contact Flow Manipulation Using Magnetic Fields

MagnetoFluidDynamic (MFD) approaches are promising for controlling electrically conductive fluids, however, they have not yet been developed for control of time-dependent fluid flows in 3D. The main issue with using MFD entails solving the mathematics involved in tuning the magnetic field to achieve the desired 3D fluid flow. Despite several studies...

Published: 4/18/2023 | Inventor(s): Hamidreza Marvi, Reza Shirsavar, Mahdi Ilami

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Category(s): Bioanalytical Assays, Chemistries & Devices, Life Science (All LS Techs), Semiconductors, Materials & Processes, Manufacturing/Construction/Mechanical

Magnetic Medical Device Steering with Nonvisual Tracking

Steering and positioning medical devices, such as needles, is a promising technique for use in minimally invasive surgeries. However, positioning the device is often complicated by obstacles such as bones, blood vessels and other sensitive tissues. Current methods for steering medical devices have limitations such as restricted radii of curvature, deflection...

Published: 4/18/2023 | Inventor(s): Hamidreza Marvi, Mahdi Ilami

Keywords(s):

Category(s): Advanced Materials/Nanotechnology, Life Science (All LS Techs), Medical Devices, Medical Imaging, Medical Diagnostics/Sensors

Steerable Surgical Needles & Other Assemblies

Surgical needles are commonly used in diagnostic and therapeutic procedures, as well as minimally invasive surgeries. Precise navigation of a needle during any procedure is vital for accurate target placement and minimization of tissue damage. Needle steering encompasses techniques that guide the tip of a flexible needle shaft to a target that is located...

Published: 4/18/2023 | Inventor(s): Hamidreza Marvi, Mahdi Ilami, Reza James Ahmed

Keywords(s):

Category(s): Life Science (All LS Techs), Medical Devices, Medical Diagnostics/Sensors

Bio-Inspired Robot for Tube Inspection

Tubular structures are commonly used in boilers and heat exchangers. Working under extreme conditions such as high temperatures, large stress loads, hot and high-velocity steam and pressure leads to corrosion, cracks, and stress-corrosion cracks in either the body or welded connections of these components. Regular inspection of these components...

Published: 2/23/2023 | Inventor(s): Hamidreza Marvi, Ehsan Dehghan-Niri, Mahdi Ilami

Keywords(s): Inspection, Robotics, Sensors

Category(s): Physical Science, Applied Technologies

Morphing Soft Robots

Soft robotics open up new opportunities to create devices with extraordinary functionalities. Although this is a rapidly growing field with constant advancements, there are still many challenges with designing, modelling and controlling soft robots which hinder their capabilities. For example, soft robotics have difficulty making morphological and gait...

Published: 2/23/2023 | Inventor(s): Hamidreza Marvi, Elizabeth Skowronek, Reza James Ahmed, Mahdi Ilami

Keywords(s):

Category(s): Advanced Materials/Nanotechnology, Life Science (All LS Techs), Medical Devices

Amphibious Pipe Inspection Robot

Today, robots are designed for use on and in complex terrains and environments. In situations where it is cumbersome and/or hazardous to humans, unmanned vehicles are essential. For example, utility pipe cleaning can cost up to $400,000 per 10-mile segment, with workers scouring miles-long stretches of pipe to remove debris and identify problem areas....

Published: 9/19/2023 | Inventor(s): Hamidreza Marvi, Borhan Beigzadeh, Hosain Bagheri, Tae-Woo Lee

Keywords(s): Inspection, Robotics, Sensors

Category(s): Physical Science, Manufacturing/Construction/Mechanical, Environmental, Applied Technologies

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