A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 8/14 (2006.01)
Patent
CA 2541798
A hand-held 3D ultrasound instrument comprising a transceiver (10) is disclosed which is used to non-invasively and automatically measure amniotic fluid volume in the uterus requiring a minimum of operator intervention. The transceiver includes a handle (12) having a trigger (14) and a top button (16), a transceiver housing (18) attached to the handle (12) and a transceiver dome (20). Using a 2D image-processing algorithm, the instrument gives automatic feedback to the user about where to acquire the 3D image set. The user acquires one or more 3D data sets covering all of the amniotic fluid in the uterus and this data is then processed using an optimized 3D algorithm to output the total amniotic fluid volume corrected for any fetal head brain volume contributions.
L'invention concerne un instrument à ultrasons 3D portatif utilisé pour effectuer une mesure non invasive et automatique du volume de liquide amniotique dans l'utérus, cet instrument nécessitant un minimum d'intervention de l'opérateur. A l'aide d'un algorithme de traitement d'image 2D, cet instrument fournit automatiquement à l'utilisateur des informations aidant celui-ci à positionner l'instrument pour acquérir un ensemble d'images 3D. L'utilisateur acquiert un ou plusieurs ensembles d'images 3D couvrant tout le liquide amniotique dans l'utérus, puis les données obtenues sont traitées à l'aide d'un algorithme 3D optimisé pour permettre l'obtention du volume de liquide amniotique total après retranchement des parties correspondant par exemple au volume de la tête foetale.
Chalana Vikram
Dudycha Stephen
Mcmorrow Gerald J.
Diagnostic Ultrasound Corporation
Smart & Biggar
Verathon Inc.
LandOfFree
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