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US 6,755,837 B2Granted
Apparatus and method for harvesting bone
AssigneeMaxilon Laboratories, Inc.
InventorPeter R. Ebner
Life of this patent
Estimating the term…
Abstract
A bone grafting and/or shaping instrument includes a handle portion, a collection chamber and a blade. Features on the blade cooperate with features on the collection chamber to secure the blade to the collection chamber. A flexible joint between the collection chamber and the handle portion allows the user to orient the cutting edge of the blade in any desired position relative to the handle portion.
Claims74
A surgical instrument for scraping bone comprising:
- a generally planar blade having a first end and a second end separated by a middle section, the first end having a cutting edge and an opening to allow bone shavings to pass therethrough and the middle section having at least one outwardly extending lobe;
- a collection chamber for holding accumulated bone shavings having a bottom, sidewalls, and an end wall, the chamber having a upstanding retainer member for securing the at least one lobe of the blade to the collection chamber;
- and
- an elongated handle portion coupled to the end wall of the collection chamber.
1 more element
A surgical instrument for scraping bone comprising:
- a blade having a first end having a cutting edge and an opening to allow bone shavings to pass therethrough;
- a collection chamber for holding accumulated bone shavings having a bottom, sidewalls, and an end wall, a portion of the side wall supporting a portion of the blade;
- and
- an elongated handle portion coupled to the end wall of the collection chamber through a flexible joint.
1 more element
A surgical instrument for scraping bone comprising:
- a generally planar blade having a first end and a second end separated by a middle section, the first end having a cutting edge and an opening to allow bone shavings to pass therethrough and the middle section having at least one outwardly extending lobe, and the second end comprising a pair of cantilevered spring elements;
- a collection chamber for holding accumulated bone shavings having a bottom, sidewalls, and an end wall, the chamber having a upstanding retainer member for securing the at least one lobe of the blade to the collection chamber, and a retaining mechanism for interacting with the blade spring elements;
- and
- an elongated handle portion coupled to the end wall of the collection chamber.
1 more element
A blade for a bone scraping surgical instrument comprising:
- a first end and a second end separated by a middle section, the first end having a cutting edge and an opening to allow bone shavings to pass therethrough and the middle section having a pair of outwardly extending lobes disposed on either side of a centrally located elongated opening.
Dependencies are inferred from the claim text.