Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2011-08-09
2011-08-09
Chen, Tse (Department: 3777)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C600S426000, C600S414000, C600S420000
Reexamination Certificate
active
07996065
ABSTRACT:
A biopsy marker deployment device adapted to selectively deposit a marker in a target location, such as a biopsy site. In one embodiment, the device includes a deployment assembly comprising a cannula adapted to house at least one marker, an outlet aperture defined by a portion of the cannula, and an actuatable pushrod slidably disposed and movable within the cannula. The deployment assembly further comprises a selectively opening outlet door movable between an open position and a closed position. The outlet door is biased in the closed position and at least partially obstructs the aperture in the closed position to prevent a marker from reentering the cannula upon deployment.
REFERENCES:
patent: 7761137 (2010-07-01), Hardin et al.
Hardin Terry D.
Miller Michael E.
Nicoson Zachary R.
Zimmer Brian
Brutus Joel F
Chen Tse
Smith Robert P.
Suros Surgical Systems, Inc.
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