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US 2015/0088138 A1Published application
Trocar-tipped drill bit
AssigneeAeton Medical LLC
InventorsRoger S. RANCK, Robert S. KRAMER, Anatoli KRIVORUK
Life of this patent
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Abstract
A drill bit for drilling through bone may include a fluted portion and a trocar tip disposed at an end of the fluted portion. The trocar tip may include an outer lateral surface that is tapered at an angle ranging from about 5 degrees to about 15 degrees relative to a longitudinal axis of the drill bit.
Claims25
A drill bit for drilling through bone, the drill bit comprising:
- a fluted portion;
- and
- a trocar tip disposed at an end of the fluted portion, wherein the trocar tip comprises an outer lateral surface that is tapered at an angle ranging from about 5 degrees to about 15 degrees relative to a longitudinal axis of the drill bit.
A drill bit for drilling through bone, the drill bit comprising:
- a fluted portion terminating in an end face;
- and
- a trocar tip disposed on the end face, wherein a perimeter of the end face extends radially beyond the trocar tip, wherein the trocar tip comprises an outer tapered surface that tapers at an angle ranging from about 5 degrees to about 15 degrees relative to a longitudinal axis of the drill bit.
A system for drilling through bone, the system comprising:
- a drill bit comprising:
- a fluted portion comprising a plurality of flutes, and
- a trocar tip disposed at an end of the fluted portion, wherein the trocar tip comprises a tapered, non-fluted lateral outer surface;
- and
- a sleeve configured to be disposed relative to the drill bit to limit a penetration depth of the drill bit during drilling.
2 more elements
Dependencies are inferred from the claim text.