Method and apparatus for suture anchors with a vertical eyelet
First Claim
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1. A suture anchor, comprising;
- a bone engaging section formed along a bone engaging axis;
a bone engaging structure formed along said bone engaging section and defining a maximum diameter of the suture anchor;
a non-threaded suture engaging section extending from said bone engaging section to a terminal proximal end of the suture anchor and wherein an outermost annular surface of the suture engaging section defines a diameter less than or equal to said maximum diameter, such that said suture engaging section is able to be substantially disposed below an exterior surface of a boney structure after implantation;
a first eyelet and a second eyelet both formed as a completely surrounded bore in a proximal face of said suture engaging section, said first and second eyelets allowing a selected portion of a suture to pass through and extend from said suture engaging section generally along said bone engaging axis; and
a suture passage including first, second and third suture passage portions that are all defined entirely by said suture engaging section, wherein said suture passage interconnects said first and second eyelets and is operable to allow a suture to enter and exit said suture engaging section from a single section such that the selected portion of the suture remains substantially within said maximum diameter, wherein said first suture passage portion extends from said first eyelet along a first axis, said second suture passage portion extends through said outermost annular surface along a second axis that is generally perpendicular to said bone engaging axis and interconnects said first suture passage portion and a third suture passage portion, said third suture passage portion extending from said second eyelet along a third axis, wherein said first and third axes both diverge from each other from said terminal proximal end and both form exterior obtuse angles with said second axis.
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Abstract
A suture anchor for anchoring a suture in the selected portion of an anatomical portion for fixing a suture thereto. The suture anchor including an anatomical engaging portion and a suture engaging portion wherein both the anatomical engaging portion and a suture engaging portion are adapted to be substantially disposed below an exterior of the anatomical portion after implantation. Suture eyelets are provided in the suture engaging section and a suture passage is formed to interconnect the eyelets to allow a suture to be easily threaded in the suture engaging section from the first eyelet to the second eyelet.
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Citations
28 Claims
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1. A suture anchor, comprising;
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a bone engaging section formed along a bone engaging axis; a bone engaging structure formed along said bone engaging section and defining a maximum diameter of the suture anchor; a non-threaded suture engaging section extending from said bone engaging section to a terminal proximal end of the suture anchor and wherein an outermost annular surface of the suture engaging section defines a diameter less than or equal to said maximum diameter, such that said suture engaging section is able to be substantially disposed below an exterior surface of a boney structure after implantation; a first eyelet and a second eyelet both formed as a completely surrounded bore in a proximal face of said suture engaging section, said first and second eyelets allowing a selected portion of a suture to pass through and extend from said suture engaging section generally along said bone engaging axis; and a suture passage including first, second and third suture passage portions that are all defined entirely by said suture engaging section, wherein said suture passage interconnects said first and second eyelets and is operable to allow a suture to enter and exit said suture engaging section from a single section such that the selected portion of the suture remains substantially within said maximum diameter, wherein said first suture passage portion extends from said first eyelet along a first axis, said second suture passage portion extends through said outermost annular surface along a second axis that is generally perpendicular to said bone engaging axis and interconnects said first suture passage portion and a third suture passage portion, said third suture passage portion extending from said second eyelet along a third axis, wherein said first and third axes both diverge from each other from said terminal proximal end and both form exterior obtuse angles with said second axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A suture anchor to provide a fixation of a suture in a selected anatomical portion, comprising:
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an anatomical engaging section having an anatomical engaging portion formed along an anatomical engaging axis; and a non-threaded suture engaging section extending from said anatomical engaging section to a terminal proximal end of the suture anchor, said suture engaging section defining a radially outermost surface that is configured to be substantially disposed below an exterior surface of the selected anatomical portion after implantation; wherein said suture engaging section defines a first suture eyelet and a second suture eyelet formed in a single terminal end wall of said suture engaging section; wherein said first suture eyelet and said second suture eyelet are each operable to maintain the suture within a perimeter of said suture engaging section; wherein said suture engaging section defines a suture holding passage interconnecting said first suture eyelet and said second suture eyelet to substantially hold a suture relative to said anatomical engaging section, said suture holding passage being formed entirely in said suture engaging section, said suture holding passage having first, second and third suture passage portions wherein said first suture passage portion extends from said first eyelet along a first axis, said second suture passage portion extends through said radially outermost surface along a second axis that is generally perpendicular to said bone engaging axis and interconnects said first suture passage portion and a third suture passage portion, said third suture passage portion extending from said second eyelet along a third axis, wherein said first and third axes both diverge from each other from said terminal proximal end and both form exterior obtuse angles with said second axis; wherein said suture engaging section is adapted to be positioned generally within a bore defined in said selected anatomical portion. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A suture anchor system, comprising;
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a bone engaging portion formed along a bone engaging axis; a bone engaging structure formed along said bone engaging portion and defining a maximum diameter; a suture engaging portion extending from said bone engaging portion to an end surface of the suture anchor, said suture engaging portion defining a diameter less than or equal to said maximum diameter along the length of the suture engaging portion; at least two eyelets formed in said end surface of said suture engaging portion to completely surround a suture and to allow a selected portion of the suture to pass through and extend from said suture engaging portion generally along said bone engaging axis; and a suture passage defined only by said suture engaging portion interconnecting said at least two eyelets, said suture passage having first, second and third suture passage portions wherein said first suture passage portion extends from a first eyelet along a first axis, said second suture passage portion extends through an outermost annular surface of the suture engaging portion along a second axis that is generally perpendicular to said bone engaging axis and interconnects said first suture passage portion and a third suture passage portion, said third suture passage portion extending from a second eyelet along a third axis, wherein said first and third axes both diverge from each other from said end surface and both form exterior obtuse angles with said second axis. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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Specification