Insertion devices and method of use
First Claim
Patent Images
1. A surgical instrument for accessing hard or dense tissue, the instrument comprising a trocar having a proximal end and a distal end;
- a lumen extending through the interior of the trocar, the distal end including a distal tip;
the distal tip comprising a plurality of facet faces.
3 Assignments
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Accused Products
Abstract
This invention relates to a surgical access instrument having a distal tip which facilitates introduction of the instrument into and through hard or dense tissue, but which facilitates removal of some or all of the instrument through the application of minimal withdrawal forces.
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Citations
9 Claims
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1. A surgical instrument for accessing hard or dense tissue, the instrument comprising
a trocar having a proximal end and a distal end; -
a lumen extending through the interior of the trocar, the distal end including a distal tip;
the distal tip comprising a plurality of facet faces. - View Dependent Claims (2, 3, 4, 5, 7, 8, 9)
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6. A surgical instrument for accessing hard or dense tissue, the instrument comprising
a trocar having a proximal end and a distal end; -
the distal end including a distal tip;
the distal tip comprising a plurality of facet faces.
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Specification
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Current AssigneeKyphon SARL (Medtronic Plc)
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Original AssigneeKyphon Incorporated (Medtronic Plc)
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InventorsFerdinand, Arthur E.
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Application NumberUS10/123,869Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current606/185CPC Class CodesA61B 10/025 for taking bone, bone marro...A61B 17/3417 Details of tips or shafts, ...A61B 17/3472 for bones, e.g. intraosseus...
