Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2011-04-12
2011-04-12
Casler, Brian (Department: 3737)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C604S067000, C606S191000, C417S004000
Reexamination Certificate
active
07922689
ABSTRACT:
A device (1) is designed for locating a region which is situated in a body (10). The device has a fluid-filled reservoir (30) which is closed off in a sealed manner by a displaceable plunger (32) and is connected to a hollow puncture needle (20). To measure the pressure prevailing in the fluid, the device has a pressure gauge (40). A signal converter (50) is used to convert a continuous pressure-measurement signal provided by the pressure gauge (40) into a form which is suitable for further processing. A synthesizer (60) is designed to process the converted pressure-measurement signal into a continuous sound signal which is representative of the pressure. If, during a displacement of the puncture needle (20), a needle point (21) reaches the anatomical cavity (15), the result is a readily perceptible change in the sound signal. The device records the pressure-measurement signal over the course of time.
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Hungarian Novelty Report, Application No. P 04 00176.
Casler Brian
Hoffmann & Baron , LLP
Lauritzen Amanda
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