Patient Interface for Biofeedback Device

FIG. 1 is a front perspective view of a first embodiment of a patient interface for biofeedback device; FIG. 2 is a rear perspective view of the embodiment shown in FIG. 1 ; FIG. 3 is a front elevation view of the embodiment shown in FIG. 1 ; FIG. 4 is a rear elevational view of the embodiment shown in FIG. 1 ; FIG. 5 is a left-side elevational view of the embodiment shown in FIG. 1 ; FIG. 6 is a right-side elevation view of the embodiment shown in FIG. 1 ; FIG. 7 is a top plan view of the embodiment shown in FIG. 1 ; and FIG. 8 is a bottom plan view of the embodiment shown in FIG. 1 . FIG. 9 is a front perspective view of a second embodiment of a patient interface for biofeedback device; FIG. 10 is a rear perspective view of the embodiment shown in FIG. 9 ; FIG. 11 is a front elevation view of the embodiment shown in FIG. 9 ; FIG. 12 is a rear elevation view of the embodiment shown in FIG. 9 ; FIG. 13 is a left-side elevation view of the embodiment shown in FIG. 9 ; FIG. 14 is a right-side elevation view of the embodiment shown in FIG. 9 ; FIG. 15 is a top plan view of the embodiment shown in FIG. 9 ; and, FIG. 16 is a bottom plan view of the embodiment shown in FIG. 9 . The broken lines shown in FIGS. 9 - 16 illustrate portions of the patient interface for biofeedback device that form no part of the claimed design.