Surgery – Diagnostic testing – Liquid collection
Reexamination Certificate
2006-11-28
2006-11-28
Hindenburg, Max F. (Department: 3736)
Surgery
Diagnostic testing
Liquid collection
C600S584000, C604S043000, C604S044000, C604S164010
Reexamination Certificate
active
07141023
ABSTRACT:
A micro perfusion device including a casing, a perfusate supply, an inner cannula forming an inner lumen between a front cannula opening which is distal when the device is subcutaneously positioned and a rear cannula opening, the inner lumen being connected or connectable to the perfusate supply via the rear cannula opening, a perfusion cannula projecting from a lower side of the casing and surrounding the inner cannula, an outer lumen between the inner cannula and the perfusion cannula, a collecting container for the perfusate, and a perfusate outlet connecting the outer lumen to the collecting container, wherein the collecting container has a variable volume and a partial vacuum with respect to a pressure prevailing in the perfusate supply may be generated in the collecting container.
REFERENCES:
patent: 840560 (1907-01-01), Farrington et al.
patent: 1211928 (1917-01-01), Fisher
patent: 3933439 (1976-01-01), McDonald
patent: 5372582 (1994-12-01), Skrabal et al.
patent: 5536242 (1996-07-01), Willard et al.
Merriam-Webster's Collegiate Dictionary, 10th ed., Merriam-Webster, Incorporated, 2001, 775.
Diermann Ulrich
Haueter Ulrich
Disetronic Licensing AG
Dorsey & Whitney LLP
Foreman Jonathan
Hindenburg Max F.
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