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US 2004/0111088 A1Published application
Multi-rod bone attachment member
OwnerGeorge D. Picetti, Anthony J. Melkent +1inventors
InventorsGeorge D. Picetti, Anthony J. Melkent, John Stewart Young
Life of this patent
Estimating the term…
Abstract
A fixation element for use in orthopedic surgery, particularly spinal surgery is disclosed. The fixation element is capable of being screwed, hooked, or otherwise attached to a bone, and is configured to accommodate two or more rods or other elongated members. The head of the fixation elements thus has multiple places for positioning a rod, either vertically or horizontally spaced from each other.
Claims35
An apparatus comprising:
- a one-piece head portion having one or more channels, said channels being configured so that a plurality of elongated members may be connected to said head via one or more of said channels;
- at least one holder connected to said head portion, said at least one holder holding at least one of said elongated members within their respective channels;
- and
- an attachment portion connected to said head portion for connecting said head portion to a bone.
1 more element
A method comprising:
- providing a bone-engaging apparatus having an upper head portion and at least one lower attachment portion, said head portion having a plurality of channels so that said head portion is capable of receiving a plurality of elongated members;
- connecting said attachment portion of said apparatus to a bone;
- inserting an elongated member into one of said channels;
- and
- connecting a holder to said head portion to hold said elongated member in said channel.
2 more elements
An apparatus comprising:
- a head portion, said head portion having first and second outer legs and at least one post between said legs, a first channel between said first leg and said post, and a second channel between said second leg and said post, a first thread formed on said first leg and said post and a second thread formed on said second leg and said post;
- first and second set screws, said first set screw adapted to be threaded in said first thread to close said first channel, and said second set screw adapted to be threaded in said second thread to close said second channel;
- and
- a bone connection portion connected to said head portion, whereby said apparatus is connected to a bone.
1 more element
Dependencies are inferred from the claim text.