Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2011-07-05
2011-07-05
Stigell, Theodore J (Department: 3767)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C604S158000, C604S161000
Reexamination Certificate
active
07972313
ABSTRACT:
A safety IV catheter includes a unitary, resilient needle guard received in a catheter hub. The needle guard includes a proximal arm or wall that includes an opening through which a needle passes for axial movement. When the needle is retracted from the catheter, it releases the force that had previously prevented movement of the needle guard within the catheter hub. This in turn causes the needle guard to snap into a position in which it is clamped onto the needle shaft and in which its distal wall blocks access to the needle tip. In this condition, the spring needle guard and needle can be removed from the catheter hub. A slot or crimp may be formed in the needle shaft that engages with the needle guard after the protected needle and needle guard are removed from the catheter hub, thereby to prevent removal of the protected needle from the needle guard.
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Affidavit of Kevin Woehr; In the Court of the Commissioner of Patents for the Republic
Orth Manfred
Woehr Kevin
Wynkoop Mark
B. Braun Melsungen AG
Gray Phillip
Klein O'Neill & Singh, LLP
Stigell Theodore J
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