Abstract: An artificial bone generally includes a substantially continuous outer wall defining an inner cavity, an inner core disposed within at least a portion of the inner cavity, wherein the inner core includes a porous material having stiffness within a range of stiffness properties for mammalian cancellous bone and strength within a range of strength properties for mammalian cancellous bone, and a barrier layer disposed between the outer wall and the inner core to separate the outer wall from the porous material.

Abstract: An artificial bone generally includes a substantially continuous outer wall defining an inner cavity, an inner core disposed within at least a portion of the inner cavity, wherein the inner core includes a porous material having stiffness within a range of stiffness properties for mammalian cancellous bone and strength within a range of strength properties for mammalian cancellous bone, and a barrier layer disposed between the outer wall and the inner core to separate the outer wall from the porous material.

Abstract: An artificial bone generally includes an outer wall defining an inner cavity and an inner core disposed within at least a portion of the inner cavity, wherein the inner core includes a porous material having stiffness within a range of stiffness properties for mammalian cancellous bone and strength within a range of strength properties for mammalian cancellous bone.

Abstract: An artificial bone generally includes an outer wall defining an inner cavity and an inner core disposed within at least a portion of the inner cavity, wherein the inner core includes a porous material having stiffness within a range of stiffness properties for mammalian cancellous bone and strength within a range of strength properties for mammalian cancellous bone.

Abstract: A gunstock that is provided that includes a core, a unidirectional fiberglass layer, a decorative layer, a woven fiberglass layer, and a resin impregnating the layers. The core includes a forearm, a grip, and a buttstock. The unidirectional fiberglass layer is laid over the core. The decorative layer may be a fabric or a natural foliage that is laid over the unidirectional fiberglass. The woven fiberglass is a seamless sock that is woven directly over the decorative layer. Resin transfer molding is employed to impregnate the resin into the fiber. Once impregnated with the resin and cured, the fiberglass becomes transparent along with the resin such that the decorative layer can be seen through the fiberglass and resin composite. Composite crossbolts are also provided through the action area of the core. These crossbolts include fiberglass arms that extend along the sides of the core toward the butt of the stock. A method for constructing a gunstock as described above is also provided.

Abstract: An apparatus for applying cervical traction to a user (22) with a head halter (24) is disclosed. The apparatus includes a frame (24), a tensioner assembly (34), a cord (42), and a pulley (44). The frame has a generally straight section (28), a curved section (32), and a shoulder brace (30). The straight section has a head portion (68) extending behind the head of the user and a tail portion (70) extending behind at least a portion of the back of the user. The shoulder brace is coupled to the straight section at the end of the head portion opposite the connection to the curved section and is oriented generally transverse to the longitudinal axis of the straight section. The curved section generally forms a C-shape. The C-shape of the curved section opens toward the head of the user. The tensioner assembly is coupled to the end of the curved section opposite the attachment to the straight section. The tensioner assembly is also coupled to the halter through the cord.