Medical/surgical personal protection system including a helmet, the helmet having a fan and a fan housing that are curved to curve around the head of the individual wearing the helmet
First Claim
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1. A personal protection system configured to be at least partially disposed over a head of an individual, said system comprising:
- a head unit comprising a head band, said head band configured to extend around the head of the individual wearing said head unit;
a fan housing mounted to the head band, said fan housing comprising;
a base that is located adjacent the head of the individual wearing the head unit, said base being curved along a longitudinal axis that extends from a front of the head to a rear of the head so as to approximate the shape of the individual'"'"'s head;
a void space, said void space at least partially defined by said fan housing base; and
an outlet opening; and
an inlet opening;
a fan rotatably disposed in the void space of said fan housing, said fan comprising;
a center;
a fan base that extends circumferentially around said center, wherein said fan base is shaped so, extending inwardly from an outer perimeter of said fan base towards the center of said fan, said fan base extends upwardly; and
a plurality of blades that extend upwardly from said fan base, wherein said fan and said fan housing are constructed so that, upon rotation of said fan, said fan draws air in through said inlet opening and forces air out of said outlet opening of said fan housing;
at least one nozzle connected to said fan housing for receiving air forced out of said outlet opening of said fan housing and through which the air is discharged; and
a hood comprising a transparent face shield.
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Abstract
A personal protection system for providing a sterile barrier around medical/surgical personnel. The system includes a helmet over which a hood or a toga suspended. A microphone, an amplifier and a speaker are mounted to the helmet. Speech of the individual wearing the personal protection system is picked up by the microphone and amplified speech is broadcast by the speaker. The speaker is outwardly directed so as to broadcast the speech out through the hood or toga covering the helmet.
45 Citations
21 Claims
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1. A personal protection system configured to be at least partially disposed over a head of an individual, said system comprising:
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a head unit comprising a head band, said head band configured to extend around the head of the individual wearing said head unit; a fan housing mounted to the head band, said fan housing comprising; a base that is located adjacent the head of the individual wearing the head unit, said base being curved along a longitudinal axis that extends from a front of the head to a rear of the head so as to approximate the shape of the individual'"'"'s head; a void space, said void space at least partially defined by said fan housing base; and an outlet opening; and an inlet opening; a fan rotatably disposed in the void space of said fan housing, said fan comprising; a center; a fan base that extends circumferentially around said center, wherein said fan base is shaped so, extending inwardly from an outer perimeter of said fan base towards the center of said fan, said fan base extends upwardly; and a plurality of blades that extend upwardly from said fan base, wherein said fan and said fan housing are constructed so that, upon rotation of said fan, said fan draws air in through said inlet opening and forces air out of said outlet opening of said fan housing; at least one nozzle connected to said fan housing for receiving air forced out of said outlet opening of said fan housing and through which the air is discharged; and a hood comprising a transparent face shield. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A helmet for use as a part of a personal protection system that is configured to be at least partially disposed over a head of an individual, said helmet including:
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a head band shaped to be worn around the head of the individual, said head band having a front section worn proximate the front of the head of the individual and a rear section opposite said front section; a fan housing mounted to the head band, said fan housing comprising; a base that is located adjacent the head and that is shaped to be curved along a longitudinal axis that extends from a front of the head to a rear of the head so as to approximate the shape of the head; a lid that is secured to said fan housing base and that is spaced away from said fan housing base so as to define a void space between said base and said lid, wherein said lid is shaped to be curved along a longitudinal axis that extends from a front of the head to a rear of the head so as to approximate the shape of the head; at least one outlet opening; and an inlet opening; a fan rotatably disposed in the void space of said fan housing, said fan comprising; a center; a fan base that extends circumferentially around the center, wherein said fan base is shaped so, extending inwardly from an outer perimeter of said fan base towards the center of said fan, said fan base extends upwardly; and a plurality of blades that extend upwardly from said fan base, wherein said fan and said fan housing are constructed so that, upon rotation of said fan, said fan draws air in through said inlet opening and forces air out of the at least one outlet opening of said fan housing; at least one nozzle connected to said fan housing for receiving air forced out of the at least one outlet opening of said fan housing and through which the air is discharged; and at least one fastening member attached to said helmet for suspending a hood over said helmet so that a face shield integral with the hood is disposed forward of the face of the individual. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A head unit for use with a personal protection system including a hood, wherein said head unit is configured to be at least partially disposed over the head of an individual, said head unit comprising:
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a head band configured to be worn around the head of the individual; a face frame mounted to said head band; and a ventilation unit mounted to said head band and configured to be positioned above the head of the individual, said ventilation unit comprising; a lower shell and an upper shell configured to define a void space and at least one outlet opening; a center inlet opening formed in the upper shell; and a fan rotatably disposed within said void space defined by said lower shell and said upper shell, said fan comprising; a base having a curved profile and a center; and a plurality of spaced apart blades positioned around an outer perimeter of said base having a curved profile. - View Dependent Claims (21)
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Specification