Ultrasound contrast media for medically implantable and insertable devices
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United States of America Patent
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Feb 21, 1989
Grant Date -
N/A
app pub date -
Dec 6, 1982
filing date -
Dec 6, 1982
priority date (Note) -
Expired
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Abstract
A method is provided for enhancing ultrasound detection of implantable or insertable devices which can be placed in bodies. The method includes the steps of providing a space in the device having a substantially gas-impermeable wall, and filling the space with a gas. A medically implantable or insertable device having an enhanced ultrasound detectability is also provided. The device includes a substantially gas-impermeable portion which defines a space. The space is filled with a gas or mixture of gases to enhance ultrasound detection, and determination of the location of the device.
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