# US 2018/0021066 A1 · Orthopedic clamp and extension rod > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0021066 A1 - Document ID: US20180021066A1 - Status: Published application - Kind: A1 - Application number: 15/722,440 - Filed: 2017-10-02 - Published: 2018-01-25 - Earliest claimed: 2009-04-01 - Assignees: Globus Medical, Inc. - Applicants: Globus Medical, Inc. - Inventors: Andrew Iott; Adam Friedrich; Douglas Cahill; Brad Juchno; Mark Salzberger - Web page: https://patentgrep.com/patent/US20180021066A1 ## CPC - A61B 17/705: {for linking adjacent ends of longitudinal elements} - A61B 17/7002: {Longitudinal elements, e.g. rods} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract Spinal implants and methods of extending pre-existing spinal implant constructs. An extension clamp may be connected to an original spinal implant including an elongated rod attached to a portion of the spine without removal of the original spinal implant. The extension clamp may include a yoke and an extension rod extending from the yoke. The yoke may include a first end and a second end, the first end having first and second rod engaging portions and a channel between the first and second rod engaging portions for encompassing a fastener, and the second end being spaced apart from the first end. The first and second rod engaging portions may be configured and dimensioned to secure the extension clamp to the elongated rod. ## Claims ### Claim 1 A surgical system comprising: an extension clamp including a yoke having a first end and a second end, the yoke comprising first and second rod engaging portions and a channel between the first and second rod engaging portions, the second end being spaced apart from the first end, and an extension rod extending from the second end of the yoke; and a fastener received in the channel, wherein the fastener comprises a head and a shaft, wherein the head is sized smaller than a length of the channel and wherein the shaft is configured to extend into a bone member. ### Claim 2 (depends on 1) The surgical system of claim 1, wherein the extension clamp is connected to an elongated rod. ### Claim 3 (depends on 2) The surgical system of claim 2, wherein the first engaging portion receives a first securing member and the second engaging portion receives a second securing member, wherein the first securing member and second securing member contact the elongated rod. ### Claim 4 (depends on 3) The surgical system of claim 3, wherein the first securing member is a first set screw and the second securing member is a second set screw. ### Claim 5 (depends on 1) The system of claim 1, wherein the head of the fastener comprises a third securing member. ### Claim 6 The surgical system of 1, wherein the bone member that the shaft extends into is a pedicle. ### Claim 7 (depends on 1) The system of claim 1, wherein the extension clamp further comprises a first securing member and a second securing member, wherein the first securing member is received through an upper surface of the first rod engaging portion and the second securing member is received through an upper surface of the second rod engaging portion. ### Claim 8 (depends on 1) The system of claim 1, wherein the first and second rod engaging portions are hook type elements. ### Claim 9 (depends on 1) The system of claim 1, further comprising an extension rod that is configured and dimensioned to be captured and retained within the fastener. ### Claim 10 (depends on 1) The system of claim 1, wherein the extension rod is integrated with the yoke. ### Claim 11 A surgical system comprising: an extension clamp including a yoke having a first end and a second end, the yoke comprising first and second rod engaging portions and a channel between the first and second rod engaging portions, and an extension rod extending from the second end of the yoke; and a fastener received in the channel, wherein the fastener comprises a head and a shaft, wherein the head is sized smaller than a length of the channel and wherein the shaft is configured to extend into a bone member. ### Claim 12 (depends on 11) The system of claim 11, further comprising an elongate rod attachable to the extension clamp. ### Claim 13 (depends on 12) The system of claim 12, wherein, once connected, the extension rod is offset relative to the existing elongated rod. ### Claim 14 (depends on 11) The surgical system of claim 11, wherein the extension clamp is connected to an elongated rod via a first securing member and a second securing member. ### Claim 15 (depends on 14) The surgical system of claim 14, wherein the first engaging portion receives the first securing member and the second engaging portion receives the second securing member. ### Claim 16 (depends on 15) The surgical system of claim 15, wherein the first securing member is a first set screw and the second securing member is a second set screw. ### Claim 17 (depends on 16) The system of claim 16, wherein the head of the fastener comprises a third securing member. ### Claim 18 The surgical system of 11, wherein the bone member that the shaft extends into is a pedicle. ### Claim 19 (depends on 11) The system of claim 11, wherein the extension clamp further comprises a first securing member and a second securing member, wherein the first securing member is received through an upper surface of the first rod engaging portion and the second securing member is received through an upper surface of the second rod engaging portion. ### Claim 20 (depends on 11) The system of claim 11, wherein the first and second rod engaging portions are hook type elements.