Cannula sealing
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United States of America Patent
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May 19, 2020
Grant Date -
Jan 25, 2018
app pub date -
Jan 11, 2016
filing date -
Jan 9, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical access device comprises a seal assembly (51) having a plurality of part circular sealing members (55) each attached to a common ring (53) which is held within the device about its longitudinal axis. In use, the sealing members are located radially inwards of the ring in a stacked relationship. When not within the device, the sealing members are movable from a position radially outwards of the ring to a position radially inwards of the ring. A seal core comprises the seal assembly and a protective member which, in use, is located on the proximal side of the seal assembly. A method of assembling the surgical access device is also provided.
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