| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 606294000 | Spring | 7 |
| 20120065690 | Bone Plate System - A bone plate system having a retainer for resisting back-out of a bone anchor from a throughbore of a bone plate is provided. In one aspect, a bone plate system having a resilient retainer disposed in a bone plate throughbore with a pair of elongate arm portions of the resilient retainer extending along opposite sides of the throughbore. In another aspect, a bone plate system having a resilient retainer with a pair of elongate interference portions completely exposed in the throughbore and spaced from each other across the throughbore to retain a head of a bone anchor received in the throughbore. In addition, a bone plate system having a resilient retainer with a pair of opposite end portions disposed within a groove of a throughbore wall such that a bone anchor may be inserted into the throughbore without contacting either of the opposite end portions of the retainer. | 03-15-2012 |
| 20140039564 | BONE PLATE ASSEMBLY WITH BONE SCREW RETENTION FEATURES - A bone plate assembly is disclosed which includes at least one plate segment having at least one aperture extending therethrough for receiving a head portion of a bone screw, and a structure supported by the plate segment and intersecting the aperture for retaining the head portion of the bone screw with respect to the plate segment. | 02-06-2014 |
| 20140066997 | RETAINING MECHANISM - A retaining mechanism for use in affixing a stratum to bone is disclosed. The mechanism comprises a stratum comprising a first surface, a second surface, and a hole extending between the two surfaces. The hole has a central longitudinal axis extending substantially perpendicular to the two surfaces. The retaining element comprises a first position that permits a fastener to be passed through the hole, a second position that at least partially overlaps the hole, and a spring element. The spring element is configured to engage the stratum, configured to move in a direction substantially perpendicular to the central longitudinal axis of the hole when the retaining element moves between its first and second positions, and configured to engage the retaining element to help maintain the retaining element in its second position to help prevent inadvertent backing out of the fastener after it has been fully inserted into the hole. | 03-06-2014 |
| 20150080970 | FASTENER RETENTION SYSTEM FOR SPINAL PLATES - A fastener retention system for retaining fasteners within apertures of an orthopedic plate includes a first pocket disposed between two of the apertures in the plate, a blocking member disposed between the two apertures and including a second pocket that forms a cavity with the first pocket, and a spring that expands from a compressed configuration within the first pocket to a decompressed configuration within the cavity. | 03-19-2015 |
| 20150080971 | RETAINING MECHANISM - A retaining mechanism for use in affixing a stratum to bone is disclosed. The mechanism comprises a stratum comprising a first surface, a second surface, and a hole extending between the two surfaces. The hole has a central longitudinal axis extending substantially perpendicular to the two surfaces. The retaining element comprises a first position that permits a fastener to be passed through the hole, a second position that at least partially overlaps the hole, and a spring element. The spring element is configured to engage the stratum, configured to move in a direction substantially perpendicular to the central longitudinal axis of the hole when the retaining element moves between its first and second positions, and configured to engage the retaining element to help maintain the retaining element in its second position to help prevent inadvertent backing out of the fastener after it has been fully inserted into the hole. | 03-19-2015 |
| 20150134013 | BONE TREATMENT IMPLANTS, AND SPRINGS THEREFORE - Springs for use in bone implant assemblies where the spring is assembled to a bone implant body. The spring comprises first and second bands, biased against each other, by a spring leaf which extends between the bands, and resists compression of the bands toward each other. Securement of the spring to the implant body can provide for initial transverse movement of the entire length of the spring leaf, when one of the bands is urged toward the other. When assembled to an implant body, the bands extend into fastener receiving apertures in the implant body. A stud is installed in the implant body and extends into an aperture in the spring. A stud-receiving aperture in the spring is optionally elongate, with the length of such aperture extending along the width of the spring, thereby enabling distributing an external compressive force through substantially the entire body of the spring leaf. | 05-14-2015 |
| 20160135860 | BONE COMPRESSION SYSTEMS - Bone compression systems for internal fixation of bone portions include one or more spring washers having ultra high load capacity and ultra low displacement to close diminution gaps that develop in a discontinuity between the bone portions after fixation. The spring washers, individually or in stacks of up to four, provide installation loads between 1500 N and 4000 N. After closing diminution gaps, the spring washers or stacks provide sustained loads between 1000 N and 3000 N which stabilize the bone portions sufficiently to permit early load bearing. The sustained loads correspond to sustained average local bone stress just below the bone growth trigger threshold stress. The additional loads of early load bearing will create average local bone stress above the bone growth trigger threshold. By bone stress repeatedly passing through the bone growth trigger threshold stress, bone healing is optimized. | 05-19-2016 |
