Methods of using inflatable retraction devices in laparoscopic surgery
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United States of America Patent
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Nov 19, 1996
Issued Date -
N/A
app pub date -
Jun 1, 1995
filing date -
May 29, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus for retracting an organ to gain access to treat a tissue. The apparatus has a main envelope, a second envelope, a first inflation device and a second inflation device. The main envelope encloses a main chamber, and includes a window and a removable window. The second envelope covers substantially all the main envelope, except the window and the removable window. The second envelope and the main envelope enclose a second chamber outside the main chamber. The first inflation device passes a fluid into the main chamber to expand the main chamber and the second chamber from a compacted state to retract the organ. The second inflation device passes a fluid into the second chamber to further expand the second chamber to maintain the organ in its retracted state after fluid has been released from the main chamber.
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