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US 8,100,823 B2Granted
Surgical file system with a visualization instrument
AssigneeSurgitech, LLC
InventorRichard J. Harp
Life of this patent
Estimating the term…
Abstract
A reciprocating surgical file system for precisely removing bone and/or other tissue is described. The system allows a user to maneuver the system and navigate into hard-to-access sites under a direct vision mechanism. A transmission mechanism converts rotary motion from a motor into reciprocating motion and provides it to the surgical file for precision removal of bone or other tissue. A pulsatile pump mechanism is operatively coupled with the transmission mechanism and provides irrigating fluid to the surgical site.
Claims21
A surgical instrument comprising:
- a housing that contains a drive system;
- a distal assembly having a distal tip configured to grind tissue, file tissue, cut tissue, or combinations thereof, said distal assembly extending from said housing and engaging said drive system of said housing;
- an elongate endoscope comprising an elongate body having an optical element at or adjacent a distal end thereof, the optical element having a line of sight and a field of vision about the line of sight, the line of sight being an imaginary line from the optical element to a point upon which the optical element is focused, the endoscope configured to communicate an image along its length from the optical element to the proximal end of the endoscope body;
- and
- an elongate lumen extending through said housing and said distal assembly so that a distal opening of the lumen is positioned proximally adjacent the distal tip, said lumen and said endoscope body being sized and configured so that the elongate body is slidable longitudinally through the lumen to a seated position in which the optical element of said endoscope is positioned at or adjacent the distal tip so as to provide endoscopic viewing of said distal tip;
- wherein the elongate lumen is straight along its length through the housing and distal assembly, wherein the endoscope body is straight and fits within the straight lumen;
- wherein the distal assembly has a longitudinal axis, and the distal tip has an axis, and the distal tip axis is disposed at an oblique angle relative to the distal assembly longitudinal axis;
- wherein the elongate endoscope body has an axis, and the line of sight of the endoscope optical element is disposed at an oblique angle relative to the endoscope body axis;
- and
- wherein the elongate endoscope provides viewing of the distal tip.
7 more elements
A surgical instrument comprising:
- a body assembly having a distal tip with a cutting surface configured to remove bone from a mammal, the body assembly having a longitudinal axis and having a straight elongate receiver portion extending parallel to the body assembly longitudinal axis from a receiver portion proximal end to a receiver portion distal end, the body assembly having a seat;
- and
- a straight elongate endoscope having a proximal end, a distal end, and a longitudinal axis, the endoscope being elongate along the longitudinal axis from the proximal end to the distal end, and having an optical element disposed at or adjacent the distal end, the endoscope configured to communicate an image along its length from the optical element to the proximal end, the optical element having a line of sight and a field of vision about the line of sight, the line of sight being an imaginary line from the optical element to a point upon which the optical element is focused, the optical element line of sight being at an oblique angle relative to the endoscope longitudinal axis;
- wherein said body assembly elongate receiver is configured to engage the endoscope so that the endoscope is slidable distally along the length of the receiver until a stop portion of the endoscope engages the body assembly seat so as to prevent further distal movement relative to the bode assembly, and when the stop portion is engaged with the seat said endoscope optical element is positioned at or adjacent said distal tip so as to provide viewing of said distal tip cutting surface when said distal tip cutting surface removes bone;
- and
- wherein said endoscope is slidable proximally relative to the body assembly elongate receiver so as to be disengaged from the body assembly.
3 more elements
Dependencies are inferred from the claim text.