Application of radiation using imaging guidance

    公开(公告)号:US11617901B2

    公开(公告)日:2023-04-04

    申请号:US16401944

    申请日:2019-05-02

    Abstract: Apparatus or techniques can include an applicator that can include an expandable element and an ultrasonic transducer. The applicator can be inserted into a cavity of a tissue region of a patient and images of the cavity and the applicator can be generated based on signals obtained from the ultrasonic transducer. Dosing of radiation can be determined based on the images and a dose of radiation can be delivered to the tissue region by a radiation source located in the applicator.

    Methods for isolating pancreatic islets

    公开(公告)号:US11590501B2

    公开(公告)日:2023-02-28

    申请号:US17445972

    申请日:2021-08-26

    Abstract: A microfluidic device can include an upstream passage, a sample passage, a bifurcating passage, and a combining passage. The upstream passage can be configured to provide a focusing stream. The sample passage can be configured to provide a sample stream. The bifurcating passage can include a specified bifurcating flow resistance. The combining passage can be configured to create a combined stream from the focusing stream and the sample stream, where the focusing stream can direct the sample stream away from the upstream passage and toward the bifurcating passage. A first portion of the combined stream can be discharged through the bifurcating passage. The main discharge can be configured to discharge a second portion of the combined stream. The main discharge can include a main discharge resistance that is selectable to vary the main discharge resistance relative to the bifurcating flow resistance.

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