Patent application number | Description | Published |
20080214899 | CRANK RETRACTOR HANDLE - The present invention relates to an apparatus for adapting a non-cylindrical serrated surgical retractor blade handle to the cylindrical bore of a universal joint. The apparatus includes an adaptor housing having a retractor handle passageway, at least a portion of the retractor handle passageway being configured to receive the slideable insertion of a non-cylindrical retractor blade handle. The adaptor housing is configured for rotational insertion into the cylindrical bore of a clamping member, thereby allowing the adaptor housing, the non-cylindrical retractor blade handle, and an attached retractor blade, to rotate about the longitudinal axis of the non-cylindrical retractor blade handle. In the illustrated embodiment, a pawl mechanism is connected to the adaptor housing and configured for automatic engagement with at least one of a plurality of serrations that are located on the non-cylindrical retractor blade handle, thereby allowing for the efficient adjustment and automatic locking of the linear position of the non-cylindrical retractor blade handle relative to the operative site. | 09-04-2008 |
20090275804 | Hinged Retractor With Sheath - A hinged retractor includes a distal portion adapted to be located inside the body of a patient during a surgical procedure and a proximal portion adapted to be closer to the surgeon during a surgical procedure. The hinged retractor includes a first side including a first blade and a second side including a second blade. The second side is joined to the first side proximate to a distal end of the hinged retractor. The hinged retractor includes a pivot proximate to the distal end. The hinged retractor is movable between a closed position and an open position, wherein a distance between a proximal portion of the first and second blades increases more than a distance between a distal portion of the first and second blades when the hinged retractor is moved from the closed position to the open position. | 11-05-2009 |
20090287062 | Adjustable Rail Clamp - An adjustable surgical retractor system for clamping system to an operating table. The clamping mechanism includes an upper jaw, lower jaw, a drive member, an adjustable frame support post and releasable locking mechanism for adjusting the height of the surgical retracting frame. The releasable locking mechanism can be a mechanism that includes a sleeve in close sliding relationship to the upper portion of lower jaw member. The upper portion of the lower jaw has a plurality of sockets for receipt of a plurality of balls. The sleeve can have a first position which positions an internal shoulder in alignment with the sockets and urges the balls into engagement with circumferential grooves in post member to lock the post at desired height. In a second position, an internal groove in the sleeve can align with the sockets to allow the balls to move partially out of the sockets and out of engagement with the groove in the post so that the post can be longitudinally adjusted relative to the clamping mechanism. | 11-19-2009 |
20100030033 | SURGICAL LIGHT APPARATUS - A surgical light apparatus for illuminating a surgical site. The light apparatus may include a light housing, fiber optical cable, a sheath, and a cable connector. The fiber optical cable may be comprised of a bundle of fiber optical cables that have distal and proximate ends. The proximate end may be operably connected to the cable connector, and oriented to receive light emitted from a light source. The distal end of the fiber optical cable may be operably connected to the light housing. The light housing may include a main body and a cover, which either individually, or in combination with each other, provides an outlet at which the distal ends of the fiber optical cables may be dispersed. The light housing may include, or be operably connected to, an attachment mechanism that may attach the surgical light apparatus to a surgical instrument, for example a retractor blade. | 02-04-2010 |
20100185060 | Low Profile Surgical Retractor - Certain embodiments of the present invention provide a retractor clamp for a low profile retractor system including a spreader including first and second arms joined by a cross-bar, wherein the first and second arms define an arm level. The retractor clamp includes a gripping assembly, a main body, an extension arm, a retractor blade arm, and a securement assembly. The gripping assembly is sized and adapted to engage at least one of the first arm, second arm, and cross-bar, wherein the retractor clamp is movably and securably joined along the at least one of the first arm, second arm, and cross-bar at substantially the arm level. The retractor blade arm is joined to the main body by the extension arm, and is positioned at a retractor blade arm level above the arm level. The retractor blade arm is sized and adapted to accept a blade clamp for securing a retractor blade thereto. The securement assembly includes an adjustment member sized and adapted to be accessible by an operator at an elevation substantially at the arm level. The securement assembly is operatively connected to the gripping assembly. | 07-22-2010 |
20100217089 | Surgical Retractor with Locking Blade - Certain embodiments provide surgical retractors that include an arm and a blade, the arm including an opening and a first notched surface comprising a plurality of notches that extend radially outward from the opening, the blade including a nipple and a second notched surface comprising a plurality of notches that extend radially outward from the nipple. Attaching the blade to the arm such that the notched surfaces mate can secure the blade relative to the arm such that the blade cannot swivel radially about the opening. Certain embodiments provide methods for securing a retractor blade that can include inserting a nipple on a retractor blade into an opening and mating a first notched surface comprising a plurality of notches that extend radially outward from the opening with a second notched surface comprising a plurality of notches that extend radially outward from the nipple. | 08-26-2010 |
20100305407 | Malleable Port Retractor - A port retractor includes malleable leaves that may be bent outwardly to an open position from a closed position. The port retractor includes a body having a cross-section defining a substantially closed area, with the leaves extending therefrom. The leaves extend from the body at an angle when bent to the open position. Further, the port retractor may include opposed pairs of leaves. | 12-02-2010 |
20110137130 | Posterior Lumbar Retractor System - A retractor system includes a frame and first and second retractor blades. The frame includes first and second securement features. At least one of the first and second securement features is movable with respect to the frame when the at least one of the first and second securement features is mounted to the frame. The first and second retractor blades each have a distal portion and a proximal portion. The proximal portions of the first and second retractor blades are configured to be secured proximate to the first and second securement features respectively, such that the first and second retractor blades may be positioned in a first position wherein the first and second retractor blades are laterally opposed. A movement of the at least one securement feature that is movable with respect the frame adjusts the angle of at least one of the retractor blades, wherein the at least one of the retractor blades may be adjusted between a first angle less than 90 degrees to horizontal and second angle greater than 90 degrees to horizontal. | 06-09-2011 |
20110201897 | Retractor System for Anterior Cervical Spine Surgery - A retractor system includes a retractor blade that is securable to a portion of a patient's anatomy during a surgical procedure. The retractor system includes a manipulator that is releasably securable to the retractor blade for positioning and securing the retractor blade. The retractor system includes a flexible securement arm that movably secures the retractor blade to a frame, wherein a proximal end of the retractor blade is non-rigidly constrained. The securement arm is secured to the retractor blade proximate to one end of the securement arm, and is secured to a retractor frame proximate to another end of the securement arm. | 08-18-2011 |
20110257487 | Lateral and Anterior Lateral Retractor System - A novel surgical lateral retraction system is provided, including a delivery device and retractor blades. The delivery device includes a shaft having distal and proximal portions and a plurality of engaging features extending along the distal portion of the shaft. The engaging features are sized and configured to slidingly engage the retractor blades, wherein each retractor blade may be attached to the shaft independently by sliding onto one of the engaging features. The shaft may include first and second curved surfaces on either side of at least one of the engaging features, wherein the first and second curved surfaces are sized and configured to correspond to retractor curved surfaces located on either side of a central channel of a retractor blade. | 10-20-2011 |
20120065613 | Methods and Systems for Interbody Implant and Bone Graft Delivery - A bone graft system for providing bone graft material to a site of interest includes a multiple unit bone graft material loading device and a conduit. The multiple unit bone graft material loading device is configured to accept a plurality of pre-formed bone graft material units and includes a plurality chambers configured to accept a pre-formed bone graft unit. The conduit includes a first opening and second opening. The first opening is operably connected with the multiple unit bone graft material loading device to accept bone graft material from the multiple unit bone graft material loading device. The second opening is configured to deliver bone graft material to a site of interest. | 03-15-2012 |
20120071981 | Methods and Systems for Interbody Implant and Bone Graft Delivery - A spacer for implantation between adjacent vertebrae is provided. The spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by sides. The top and bottom surface define a height, and the sides define a width. Each of the sides of the spacer also includes a depressed region sunk into the side including a sloped surface at least toward the proximal end of the spacer. The distance between the sloped surfaces of the sides decreases proximally to form a wedge having a leading edge proximate to the proximal end of the spacer. The wedge is sized and configured to aid distribution of bone graft material to either side of the wedge, wherein bone graft material is supplied to a site of interest is distributed to at least one side of the wedge. | 03-22-2012 |
20120109227 | Bone Collection System - A bone collection system includes a plunger, a tube, and a manifold. The plunger has a bore therethrough, an insertion portion, and an inlet that accepts material being harvested from a patient. The insertion portion includes a filter to prevent passage of bone fragments. The tube accepts the insertion portion, defining a first and a second chamber of the tube. The filter separates the first and second chambers of the tube. The manifold is accepted by the tube, and has an outlet accepted by a suction source. The inlet of the plunger is in fluid communication with the first chamber, the first and second chambers are in fluid communication through the filter, and the second chamber is in fluid communication with the outlet. Material being harvested is drawn through the bone collection system, and bone fragments of the desired size collected in the first chamber. | 05-03-2012 |
20120136215 | Adjustable Rail Clamp with Clamp Locking Device - An adjustable surgical retractor clamping mechanism for attaching mechanism to an operating table. The mechanism includes an upper jaw, lower jaw, a drive member, an adjustable frame support post and a releasable clamp for adjusting the height of the surgical retracting frame. The upper portion of the lower jaw has a plurality of slots cut into the sidewalls of upper jaw to form at least one flexible finger. The clamp is in close sliding relationship to the upper portion of lower jaw member. The clamp includes a cam lever. Movement of the cam lever to its closed position compresses the clamp causing the flexible fingers to grip the adjustable post locking its longitudinal movement. Rotation of the cam lever to the open position releases the compressive force on the clamp, unlocking the adjustable post allowing the post to be longitudinally adjusted relative to the clamping mechanism. | 05-31-2012 |
20120282830 | Surf Board Leash - A board leash system for attachment to a recreational water board includes an ankle strap for securing the leash system to an ankle of a board user and a connection member for attaching the leash system to the recreational water board. The system also includes a cable interposed between the ankle strap and the connection member. A shock absorber is coupled to the cable. | 11-08-2012 |
20120310351 | LORDOTIC SPACER - A spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by first and second sides. The top and bottom surfaces define a height, and the sides define a width. The height generally increases distally and from the second side to the first side. The top and bottom surfaces are curved, and include multiple radii of curvature. A lateral curvature is defined as the curvature along the top or bottom surface at a given point along the length of the spacer, taken along a plane extending between the first and second sides and generally perpendicular to the sides. The radius of the lateral curvature for at least one of the top and bottom sides varies along the length of the spacer. For example, the radius of curvature may generally increase distally along the length of the spacer. | 12-06-2012 |
20130006365 | Methods and Systems for Interbody Implant and Bone Graft Delivery - A bone graft system for providing bone graft material to a site of interest includes a multiple unit bone graft material loading device and a conduit. The multiple unit bone graft material loading device may be configured to accept a plurality of pre-formed bone graft material units and includes a plurality chambers configured to accept a pre-formed bone graft unit. The conduit may include a first opening and second opening. The first opening may be operably connected with the multiple unit bone graft material loading device to accept bone graft material from the multiple unit bone graft material loading device. The second opening may be configured to deliver bone graft material to a site of interest. | 01-03-2013 |
20130006366 | Methods and Systems for Interbody Implant and Bone Graft Delivery - A spacer for implantation between adjacent vertebrae is provided. The spacer includes a distal end and a proximal end. The spacer also includes top and bottom surfaces spaced by sides. The top and bottom surface define a height, and the sides define a width. Each of the sides of the spacer may include a depressed region sunk into the side including a sloped surface at least toward the proximal end of the spacer. The distance between the sloped surfaces of the sides may decrease proximally to form a web having a leading edge proximate to the proximal end of the spacer. The web may be sized and configured to aid distribution of bone graft material to either side of the spacer, wherein bone graft material is supplied to a site of interest is distributed to at least one side of the spacer. | 01-03-2013 |
20130018408 | Minimally Invasive Dilator and Retractor SystemAANM Farley; Daniel K.AACI Traverse CityAAST MIAACO USAAGP Farley; Daniel K. Traverse City MI US - A novel dilation system for providing access to a surgical site of interest is provided. The dilator includes a body, an arm, and a plurality of articulating dilation members pivotally connected to the body. The body includes a cavity, and the arm is configured to be accepted by the cavity of the body. The arm includes a distal portion and a proximal portion. The plurality of articulating dilation members are operably connected to the distal portion of the arm, and are movable between a closed position and an open position. The dilator may define a distally tapering generally conical volume in the closed position, and a generally cylindrical volume in the open position. The articulating dilation members are moved from the closed position toward the open position by the arm when the arm is articulated distally, and moved from the open position to the closed position by the arm when the arm is articulated proximally. The arm and the plurality of articulating dilation members include cooperating surfaces that maintain the articulating dilation members in the closed position when the arm is held in place during insertion of the dilator. | 01-17-2013 |
20130030254 | Posterior Lumbar Retractor System - A retractor system includes a frame and first and second retractor blades. The frame includes first and second securement features. At least one of the first and second securement features is movable with respect to the frame when the first and second securement features is mounted to the frame. Proximal portions of the first and second refractor blades are secured proximate the first and second securement features respectively. In a first position the first and second refractor blades are laterally opposed. Movement of the securement feature adjusts the angle of at least one of the retractor blades so that at least one of the retractor blades may be adjusted between an acute angle and an obtuse angle to horizontal. | 01-31-2013 |
20130096619 | Methods and Systems for Pedicle Access - A method of positioning a device for pedicle access includes securing a clip in an adjustable frame assembly and securing the device in the clip. The method also includes positioning the device at an initial position having a trajectory estimated to allow the device to penetrate a pedicle without damaging the nervous system, and determining whether the trajectory of the initial position is proper to avoid damage. Further, the method includes re-positioning the device to a new position if the trajectory of the initial position is not proper to avoid damage to the nervous system, and determining whether the trajectory of the new position is proper to avoid damage. The method also includes repeating the steps of re-positioning the device and determining whether the trajectory of the new position is proper as required until a proper trajectory is obtained. | 04-18-2013 |
20130178940 | EXPANDABLE CAGE SPINAL IMPLANT - An expandable cage for maintain the position of adjacent vertebrae includes a cage top, a cage bottom, and a plurality of shims. The cage top is adapted for contacting a bottom surface of the upper of the adjacent vertebrae, and the cage bottom is adapted for contacting an upper surface of the lower of the adjacent vertebrae. The plurality of shims are adapted for insertion between the cage top and cage bottom to expand the cage. The shims include a proximal end having a bone graft distribution feature configured such that when bone graft material is introduced to the site of the expandable cage, the bone graft material is separated at the bone graft distribution feature and distributed to either side of the cage. | 07-11-2013 |
20130303859 | Posterior Lumbar Retractor System - A retractor system includes a frame and first and second retractor blades. The frame includes first and second securement features. At least one of the first and second securement features is movable with respect to the frame when the at least one of the first and second securement features is mounted to the frame. The first and second retractor blades each have a distal portion and a proximal portion. The proximal portions of the first and second retractor blades are configured to be secured proximate to the first and second securement features respectively, such that the first and second retractor blades may be positioned in a first position wherein the first and second retractor blades are laterally opposed. A movement of the at least one securement feature that is movable with respect to the frame adjusts the angle of at least one of the retractor blades, wherein the at least one of the retractor blades may be adjusted between a first angle less than 90 degrees to horizontal and second angle greater than 90 degrees to horizontal. | 11-14-2013 |
20140180017 | CRANK RETRACTOR HANDLE - The present invention relates to an apparatus for adapting a non-cylindrical serrated surgical retractor blade handle to the cylindrical bore of a universal joint. The apparatus includes an adaptor housing having a retractor handle passageway, at least a portion of the retractor handle passageway being configured to receive the slideable insertion of a non-cylindrical retractor blade handle. The adaptor housing is configured for rotational insertion into the cylindrical bore of a clamping member, thereby allowing the adaptor housing, the non-cylindrical retractor blade handle, and an attached retractor blade, to rotate about the longitudinal axis of the non-cylindrical retractor blade handle. In the illustrated embodiment, a pawl mechanism is connected to the adaptor housing and configured for automatic engagement with at least one of a plurality of serrations that are located on the non-cylindrical retractor blade handle, thereby allowing for the efficient adjustment and automatic locking of the linear position of the non-cylindrical retractor blade handle relative to the operative site. | 06-26-2014 |