A mouth guard senses impact forces and determines if the forces exceed an impact threshold. If so, the mouth guard notifies the user of the risk for injury by haptic feedback, vibratory feedback, and/or audible feedback. The mouth guard system may also remotely communicate the status of risk and the potential injury. The mouth guard uses a local memory device to store impact thresholds based on personal biometric information obtained from the user and compares the sensed forces relative to those threshold values. The mouth guard and its electrical components on the printed circuit board are custom manufactured for the user such that the mouth guard provides a comfortable and reliable fit, while ensuring exceptional performance.

The present disclosure relates to heat mouldable mouth guards, to methods for using the mouth guards, and to methods for producing the mouth guards. In certain embodiments, the present disclosure provides a heat mouldable mouth guard, the mouth guard comprising: an inner framework comprising a semi-rigid thermoplastic; and an outer layer comprising an elastomeric thermoplastic which has a melting temperature higher than the semi-rigid thermoplastic of the inner framework, wherein the outer layer substantially encapsulates the inner framework.

A system for reducing trauma in the head or neck of a living being caused by acceleration of the head relative to a torso of the living being within a range of motion. The system includes a support engaging at least one of the head, neck, and shoulder of the living being without limiting the range of motion of the head or neck relative to the torso; a sensor in electrical communication with the system; a user interface in electrical communication with the sensor; and a damper associated with the support that is configured to mitigate the position, speed or acceleration of the head relative to the torso in response to information received by the sensor or user interface.

Oral treatment devices formed from wax-based compositions that are thermally stable when formed into a three-dimensional shape to a temperature of at least 45° C. and plastically deformable at room temperature (25° C.). The wax-based compositions include a wax fraction homogeneously blended with a polymer fraction. The wax fraction includes at least one wax. The polymer fraction includes at least one polymer selected such that, when the wax and polymer are homogeneously blended together, they yield a wax-based composition having the desired properties of thermal stability and plastic deformability. Oral treatment devices are dimensionally stable to a temperature of at least 40° C. without external support and can be plastically deformed in a user's mouth to become at least partially customized to the size and shape of user's unique dentition and/or an appliance in a user's mouth.

A protective impact device is provided that produces an approximately constant force during compression. The device distinguishes several structural features. First, the cross-sectional area in between two impact surfaces increases over the stroke distance when compression takes place. Second, a compressible fluid containing vessel, held in between two impact surfaces, defines an outer shape with a positive second derivative slope defined from one impact surface towards the other impact surface. Third, orifices allow the fluid to bleed out from the compressible vessel when an impact force causes compression of the protective impact device. The resulting approximately constant force scales more or less linearly with impact energy, regardless of impact velocity caused by the impact force. Applications include athletic equipment, automotive bumpers, aircraft landing gear, and any other application that would benefit from maximum energy absorption during an impact.

An eating assistance device includes a curved plate and a handle. The curved plate is sized and configured to be disposed within an oral cavity of a mouth between a cheek and adjacent teeth. The curved plate is sized and configured to follow an exterior contour of the adjacent teeth along a lateral side of the mouth. The curved plate is sized and configured to span a gap between top and bottom teeth of the adjacent teeth when a jaw within the mouth is opened to retain food items within the oral cavity. The curved plate has top and bottom edges that are substantially parallel. The handle extends from the mouth plate and is disposed on an exterior of the mouth when the curved plate is disposed within the oral cavity.

Provided is a mouth guard having an outer layer and inner layer and a foam insert layer configured to absorb impact forces. The insert layer is softer than and thicker than the outer layer and inner layer to provide increased force absorption. The outer layer includes a thermos-chromic material that changes color and transparency to provide indication of temperature inside of a user's mouth.

The two-way communication system comprises a non-invasive and non-implanted system which remains completely invisible to an outside observer when in use by an operator or user and allows for clear two-way communications. This system is generally comprised of a mouthpiece component, relay component, infrastructure communication device, and an optional system control which may interface with the relay component.

Technology is adapted to facilitate user-specific calibration of instrumented mouthguard devices, including calibration methods for instrumented mouthguard devices. For example, this includes processes by which instrumented mouthguards, which include components such as accelerometer modules that enable monitoring of head movements of a mouthguard wearer, are calibrated for use by specific individuals. While some embodiments will be described herein with particular reference to those applications, it will be appreciated that the present disclosure is not limited to such a field of use, and is applicable in broader contexts.

A mouth guard designed to minimize discomfort and speech interference associated with conventional mouthpieces is disclosed. The mouth guard has a substantially uniform thickness on the facial/buccal and biting surfaces of the anterior and posterior teeth, and along the lingual surface of the posterior teeth. The thickness of the mouth guard along the lingual surface of the anterior teeth is greater near the biting surface than near the gum line. This minimizes interference with the wearer's tongue, making it relatively easy to drink, speak, and breathe, while protecting the anterior and posterior teeth from impact from the front or underneath. The mouth guard can be a boil-and-bite or custom-made mouth guard, and can also include an impact shield, one or more power wedges or shock absorbers, a flavoring component, and/or an antibacterial component.