Surgery – Instruments – Blunt dissectors
Reexamination Certificate
2011-06-21
2011-06-21
Severson, Ryan J (Department: 3731)
Surgery
Instruments
Blunt dissectors
Reexamination Certificate
active
07963975
ABSTRACT:
There are disclosed various embodiments of a combined balloon dissector with balloon tip cannula which are provided to facilitate forming an anatomical space within the body, such as, for example, an anatomical space in the abdominal cavity or extraperitoneal space for facilitating hernia repair surgeries. The combined balloon dissectors with cannula generally include a cannula assembly for anchoring the device to the abdominal wall and a dissector assembly having a dissection balloon at a distal end for separating tissue layers and forming an anatomical space. Various combinations of valve ports and sub-assemblies are disclosed for providing inflation fluid to the balloon tip cannula, and inflation fluid for the dissection balloon.
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European Search Report for EP 03770656.1 date of completion is Feb. 21, 2007 (6 pages).
Severson Ryan J
Tyco Healthcare Group LP
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