Extravasation detection device

Details Extravasation detection device Extravasation detection device

2007-04-17

2011-11-15

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Measuring anatomical characteristic or force applied to or...

Reexamination Certificate

active

08057406

ABSTRACT:
One embodiment provides an extravasation detection device having an enclosure, an attachment coupled to the enclosure to be removably connected to a patient, and a detection assembly enclosed within the enclosure, in this embodiment, the detection assembly includes a housing and a transducer coupled to the housing to generate a signal representative of a force or pressure applied to the detection device caused by extravasation of medical fluid from the patient. This embodiment of a detection device may be attached to the patient's hand or other injection site. When extravasation occurs, and a swelling or blister presses against the transducer, an alarm can be triggered to warn a clinician, or the device can cause a powered injection system to automatically shut down or halt the injection process.

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English Translation of Second Office Action issued in related Chinese Patent Application No. 200780022041.9 (Apr. 5, 2011), 4 pgs.
European Search Report in related European Patent Application No. 07760749.7 (Mar. 29, 2010), 6 pgs.
Response filed in related European Patent Application No. 07760749.7 (Jan. 13, 2011), 13 pgs.
Supplemental European Search Report in related European Patent Application No. 07760749.7 (Feb. 8, 2011), 5 pgs.
Response filed in related European Patent Application No. 07760749.7 (Jul. 15, 2011), 11 pgs.

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