Bone fusion device, system and method

A bone fusion assembly for insertion into a desired location, the bone fusion assembly comprising:

• a. a body having a front end, a back end opposite the front end, an interior cavity, an exterior surface and one or more canals positioned along the exterior surface;
• b. one or more hollow members positioned at least partially within the one or more canals;
• c. one or more tabs configured to selectively move between a retracted position within the interior cavity and an extended position extending out of the body in order to brace the bone fusion assembly in the desired location, each of the one or more tabs comprising a first tab end proximate the front end and a second tab end proximate the back end, each of the one or more tabs further comprising a support rib having a uniform width and continuously extending vertically from the first tab end to the second tab end within the interior cavity, extending from less than an entire width of the respective tab at a center of the width of the respective tab;
• d. a positioning element positioned within the interior cavity and accessible from exterior to the body through the front end;
• and
• e. a plurality of extending blocks coupled with the positioning element and in contact with the one or more tabs such that moving the positioning element causes the plurality of extending blocks to slide along a path within the body in order to move the one or more tabs between the extended position and the retracted position, each of the plurality of extending blocks comprising an external surface configured to abut a portion of an internal surface of the respective tab, wherein the plurality of extending blocks each have a rib slot comprising an opening in the external surface of the extending block, wherein generally parallel sides of the rib slot extend away from the external surface of the extending block and each meet a bottom surface of the rib slot, wherein a distance between the sides of the rib slot is uniform within the rib slot from the external surface of the extending block to the bottom surface, to surround the uniform width of the respective support rib;
• wherein an angle formed by the portion of the internal surface of the respective tab that abuts the external surface of the respective block with respect to the path is incongruent with an angle formed by an internally facing surface of the support rib that faces the bottom surface of the respective rib slot with respect to the path.

A bone fusion device for insertion into a desired location comprising:

• a. a body having a first end, a second end and an interior cavity;
• b. one or more tabs each having an external surface, an internal surface and a support rib having a uniform width and extending vertically along the internal surface from proximate the first end to proximate the second end within the interior cavity, extending from less than an entire width of the internal surface of the respective tab at a center of a width of the respective tab, wherein the one or more tabs are configured to selectively move from a retracted position within the body to an extended position extending out of the body;
• and
• c. one or more extending blocks configured to slide along a path within the body in order to move the one or more tabs between the retracted position and the extended position, each of the one or more extending blocks comprising an external surface configured to abut a portion of the internal surface of the respective tab, wherein the one or more extending blocks each have a rib slot comprising an opening in the external surface of the extending block, wherein generally parallel sides of the rib slot extend away from the external surface of the extending block and each meet a bottom surface of the rib slot, wherein a distance between the sides of the rib slot is uniform within the rib slot from the external surface of the extending block to the bottom surface, to surround the uniform width of the respective support rib;
• wherein an angle formed by the portion of the internal surface of the respective tab that abuts the external surface of the respective block with respect to the path is incongruent with an angle formed by an internally facing surface of the support rib that faces the bottom surface of the respective rib slot with respect to the path.

A bone fusion device for insertion into a desired location comprising:

• a. a body having a first end and an interior cavity;
• b. one or more tabs each having an external surface, an internal surface and a support rib along a length of the internal surface, wherein the one or more tabs are configured to selectively move from a retracted position within the body to an extended position extending out of the body and further wherein the support rib of each of the tabs extends vertically from less than an entire width of the internal surface of the respective tab within the interior cavity at a center of a width of the tab, wherein a vertical height of the support rib is less at a center point of the respective tab than at an end of the respective tab, wherein the external surface of the one or more tabs comprises a plurality of teeth such that the external surface is serrated;
• and
• c. one or more extending blocks configured to slide along a path within the body in order to move the one or more tabs between the retracted position and the extended position, each of the one or more extending blocks comprising an external surface configured to abut a portion of the internal surface of the respective tab, wherein the one or more extending blocks each have a rib slot comprising an opening in the external surface of the extending block, wherein generally parallel sides of the rib slot extend away from the external surface of the extending block and each meet a bottom surface of the rib slot, wherein a distance between the sides of the rib slot is uniform within the rib slot from the external surface of the extending block to the bottom surface, to surround a uniform width of the respective support rib;
• wherein an angle formed by the portion of the internal surface of the respective tab that abuts the external surface of the respective block with respect to the path is incongruent with an angle formed by an internally facing surface of the support rib that faces the bottom surface of the respective rib slot with respect to the path.

A bone fusion assembly for insertion into a desired location, the bone fusion assembly comprising:

• a. a body having a front end, a back end opposite the front end, an interior cavity, an exterior surface and one or more canals positioned along the exterior surface;
• b. one or more hollow members positioned at least partially within the one or more canals;
• c. one or more tabs configured to selectively move between a retracted position within the interior cavity and an extended position extending out of the body in order to brace the bone fusion assembly in the desired location, each of the one or more tabs comprising a first tab end proximate the front end and a second tab end proximate the back end, each of the one or more tabs further comprising a support rib that continuously extends vertically from the first tab end to the second tab end within the interior cavity, extending from less than an entire width of the respective tab at a center of the width of the respective tab, wherein a vertical height of the support rib is less at a center point of the respective tab than at an end of the respective tab, wherein the external surface of the one or more tabs comprises a plurality of teeth such that the external surface is serrated;
• d. a positioning element positioned within the interior cavity and accessible from exterior to the body through the front end;
• and
• e. a plurality of extending blocks coupled with the positioning element and in contact with the one or more tabs such that moving the positioning element causes the plurality of extending blocks to slide along a path within the body in order to move the one or more tabs between the extended position and the retracted position, each of the plurality of extending blocks comprising an external surface configured to abut a portion of an internal surface of the respective tab, wherein the plurality of extending blocks each have a rib slot comprising an opening in the external surface of the extending block, wherein generally parallel sides of the rib slot extend away from the external surface of the extending block and each meet a bottom surface of the rib slot, wherein a distance between the sides of the rib slot is uniform within the rib slot from the external surface of the extending block to the bottom surface, to surround the uniform width of the respective support rib;
• wherein an angle formed by the portion of the internal surface of the respective tab that abuts the external surface of the respective block with respect to the path is incongruent with an angle formed by an internally facing surface of the support rib that faces the bottom surface of the respective rib slot with respect to the path.

A bone fusion device for insertion into a desired location comprising:

• a. a body having a first end, a second end and an interior cavity;
• b. one or more tabs each having an external surface, an internal surface and a support rib extending vertically along the internal surface from proximate the first end to proximate the second end within the interior cavity, extending from less than an entire width of the internal surface of the respective tab at a center of a width of the respective tab, wherein the one or more tabs are configured to selectively move from a retracted position within the body to an extended position extending out of the body, wherein a vertical height of the support rib is less at a center point of the respective tab than at an end of the respective tab, wherein the external surface of the one or more tabs comprises a plurality of teeth such that the external surface is serrated;
• and
• c. one or more extending blocks configured to slide along a path within the body in order to move the one or more tabs between the retracted position and the extended position, each of the one or more extending blocks comprising an external surface configured to abut a portion of the internal surface of the respective tab, wherein the one or more extending blocks each have a rib slot comprising an opening in the external surface of the extending block, wherein generally parallel sides of the rib slot extend away from the external surface of the extending block and each meet a bottom surface of the rib slot, wherein a distance between the sides of the rib slot is uniform within the rib slot from the external surface of the extending block to the bottom surface, to surround a uniform width of the respective support rib;
• wherein an angle formed by the portion of the internal surface of the respective tab that abuts the external surface of the respective block with respect to the path is incongruent with an angle formed by an internally facing surface of the support rib that faces the bottom surface of the respective rib slot with respect to the path.