Education and demonstration – Anatomy – physiology – therapeutic treatment – or surgery... – Anatomical representation
Reexamination Certificate
2011-08-02
2011-08-02
Rogers, David A. (Department: 2856)
Education and demonstration
Anatomy, physiology, therapeutic treatment, or surgery...
Anatomical representation
C434S262000, C434S267000, C073S040000, C073S046000, C073S866400
Reexamination Certificate
active
07988452
ABSTRACT:
A test head (10) for breathing mask testing includes a hard head part (12) formed of a hard material and includes a face side (18) and a soft face front (14) of a defined thickness applied to the face side (18) of the hard head part (12). The soft face front (14) has a simulated human face surface defining a mask seal contact surface (22). A breathing mask testing system is also provided including the testing head (10) including a human face surface defining a mask seal contact surface (18) and a mouth opening connected to a respiration tube (50). A testing device (32) is provided with a test head adapter (30) protruding from the testing device (32). The hard head part (12) has a support portion (29) with an adapter interface for the adapter (30). The adapter interface includes a rotational position fixing mechanism for fixing the hard head part (10) to the adapter (30) in one of a plurality of rotational positions.
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Ehler Björn
Eiwen Roland
Dräger Safety AG & Co. KGaA
McGlew and Tuttle , P.C.
Rogers David A.
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