Surgery – Instruments – Blunt dissectors
Reexamination Certificate
2006-02-21
2006-02-21
Dawson, Glenn K. (Department: 3731)
Surgery
Instruments
Blunt dissectors
C606S192000, C604S103130, C600S207000
Reexamination Certificate
active
07001405
ABSTRACT:
A laparoscopic apparatus for tunneling dissection including a hollow tunneling member and an inflatable balloon disposed at the distal end of the tunneling member to form together a blunt tipped obturator. The tunneling member has a bore sized allow the insertion of a conventional laparoscope therein to provide observation during surgical procedures. After the anatomic space has been created, the device and laparoscope are withdrawn through the incision. The anatomic working space may be insufflated with an insufflation gas if required for the particular procedure. The apparatus is prepared for use by inserting the tunneling member into the interior of the balloon, forming the balloon into a generally cylindrical roll about the tunneling member, and preferably, through the use of an integral balloon cover, securing the balloon roll to the tunneling member to form a semi-rigid blunt tipped obturator.
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Echeverry Jan M.
Howell Thomas A.
Jervis James E.
Kayan Helmut
Kieturakis Maciej J.
Dawson Glenn K.
General Surgical Innovations Inc.
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