Surgery – Truss – Perineal
Patent
1978-02-02
1979-07-24
Yasko, John D.
Surgery
Truss
Perineal
128 87B, 128DIG20, A61H 102
Patent
active
041619463
ABSTRACT:
A support for maintaining the head in an upright position, as, for example, while resting or sleeping upright in a seat with a back rest. The support includes a forehead-engagement means to resist forward movement of the head. Forehead pressure against this means is transmitted to a nape-of-the-neck-engagement means, which is thereby pressed inwardly upon the rear of the neck. This pressure is then further transmitted by way of a chest-engagement means inwardly upon the sternum. Since the nape of the neck cannot move forward, and the sternum cannot move inward, falling forward of the forehead is precluded.
Various ancillary support means can be added to supplement the basic head support. Thus, in some embodiments, the nape-engagement means is extended upwardly to provide an occipital support section which engages the rear of the head and is extended downwardly to form a posterior support section for engaging the upper rear portion of the wearer's back. A shoulder-engaging frame fits across the wearer's shoulders and connects to the posterior support, in one embodiment, lateral supports extend from the shoulder-engaging frame to engage the sides of the wearer's head, and a chin support rises from the chest-engagement means.
The complete support can be formed of rigid sections coupled together, or it can be formed of flexible material having an integral air chamber to provide a semi-rigid support. All versions of this head support depend on the basic principle of resisting forward movement of the head by the forehead-engagement means or headband transmitting this pressure to the nape and to the sternum, neither of which moves.
REFERENCES:
patent: 678417 (1901-07-01), Muller
patent: 2672146 (1954-03-01), Touson
patent: 3724452 (1973-04-01), Nitschke
patent: 3765412 (1973-10-01), Ommaya et al.
patent: 3818509 (1974-06-01), Romo et al.
patent: 3957040 (1976-05-01), Calabrese
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