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公开(公告)号：US11096654B2
公开(公告)日：2021-08-24
申请号：US15952999
申请日：2018-04-13
Inventor： Galit Hocsman Frydman , Alexander Tyler Jaffe , Maulik D. Majmudar , Mohamad Ali Toufic Najia , Robin Singh , Zijun Wei , Jason Yang , Brian W. Anthony , Athena Yeh Huang , Aaron Michael Zakrzewski
IPC: A61B8/04 , A61B8/00 , A61B8/08 , G01L17/00 , G01L1/16 , A61B5/022 , A61B90/00 , A61B5/021 , A61B5/00 , A61B5/02
Abstract: Devices, systems, and methods of the present disclosure are directed to accurate and non-invasive assessments of anatomic vessels (e.g., the internal jugular vein (IJV)) of vertebrates. For example, a piezoelectric crystal may generate a signal and receive a pulse echo of the signal along an axis extending through the piezoelectric crystal and an anatomic vessel. A force sensor disposed relative to the piezoelectric crystal may measure a force exerted (e.g., along skin of the vertebrate) on the anatomic vessel along the axis. The pulse echo received by the piezoelectric crystal and the force measured by the force sensor may, in combination, non-invasively and accurately determine a force response of the anatomic vessel. In turn, the force response may be probative of any one or more of a variety of different characteristics of the anatomic vessel including, for example, location of the anatomic vessel and pressure of the anatomic vessel.
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公开(公告)号：US20190231317A1
公开(公告)日：2019-08-01
申请号：US16235978
申请日：2018-12-28
Applicant: Massachusetts Institute of Technology
Inventor： Brian W. Anthony , Athena Yeh Huang
CPC classification number: A61B8/485 , A61B5/0053 , A61B5/0077 , A61B5/055 , A61B5/1036 , A61B5/1495 , A61B5/6843 , A61B5/7292 , A61B5/747 , A61B8/4209 , A61B8/429 , A61B8/4444 , A61B8/4472 , A61B8/463 , A61B8/58 , A61B2560/0431 , A61B2562/0247 , A61B2562/04 , G01N29/226
Abstract: A force-sensing ultrasound imaging device uses multiple force sensors to capture the spatial distribution of a contact force between the imaging device and a target surface. In another aspect, the device may provide an external force stimulus in order to facilitate synchronization of different hardware systems that independently acquire force sensor data and ultrasound transducer data.
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公开(公告)号：US11497627B2
公开(公告)日：2022-11-15
申请号：US16617836
申请日：2018-06-01
Applicant: Massachusetts Institute of Technology
Inventor： Venkata N. M. Arelekatti , Amos G. Winter, V , Jason Z. Fischman , Athena Yeh Huang , Youngjun Joh
Abstract: A high performance, low-cost passive prosthetic knee includes one or more modules to enable able-bodied gait by transfemoral amputees to improve metabolic efficiency and reduce stigma from conspicuous abnormal gaits. A stance stability module includes a latch with a virtual lock axis that automatically locks and unlocks. An early stance flexion module enables able-bodied gait during stance. Hydraulic fluid dampers ensure reliable swing phase control. A swing extension energy storage module stores and returns energy as the knee locks and unlocks, respectively. These modules may be used together, in any combination, or individually.
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公开(公告)号：US20180296180A1
公开(公告)日：2018-10-18
申请号：US15952999
申请日：2018-04-13
Inventor： Galit Hocsman Frydman , Alexander Tyler Jaffe , Maulik D. Majmudar , Mohamad Ali Toufic Najia , Robin Singh , Zijun Wei , Jason Yang , Brian W. Anthony , Athena Yeh Huang , Aaron Michael Zakrzewski
Abstract: Devices, systems, and methods of the present disclosure are directed to accurate and non-invasive assessments of anatomic vessels (e.g., the internal jugular vein (IJV)) of vertebrates. For example, a piezoelectric crystal may generate a signal and receive a pulse echo of the signal along an axis extending through the piezoelectric crystal and an anatomic vessel. A force sensor disposed relative to the piezoelectric crystal may measure a force exerted (e.g., along skin of the vertebrate) on the anatomic vessel along the axis. The pulse echo received by the piezoelectric crystal and the force measured by the force sensor may, in combination, non-invasively and accurately determine a force response of the anatomic vessel. In turn, the force response may be probative of any one or more of a variety of different characteristics of the anatomic vessel including, for example, location of the anatomic vessel and pressure of the anatomic vessel.
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