# US 9,750,599 B2 · Tissue fixation system with auxiliary plate > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,750,599 B2 - Document ID: US9750599B2 - Status: Granted - Kind: B2 - Application number: 14/039,494 - Filed: 2013-09-27 - Published: 2015-04-02 - Granted: 2017-09-05 - Earliest claimed: 2013-09-27 - Assignees: DePuy Mitek, LLC - Applicants: DePuy Mitek, LLC - Inventors: David B. Spenciner - Web page: https://patentgrep.com/patent/US9750599B2 ## CPC - A61F 2/0811: {Fixation devices for tendons or ligaments} - A61B 17/0401: {Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors (A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811)} - A61F 2/2846: {Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects (nets or sleeves applied to surface of endoprostheses A61F2/30907; bone plates A61B17/80; bone regeneration in dental surgery A61C8/0006)} - A61B 2017/0404: {Buttons} - A61B 2017/0414: {having a suture-receiving opening, e.g. lateral opening} - A61B 2017/0464: {for soft tissue} - A61F 2002/0823: {Modular anchors comprising a plurality of separate parts} - A61F 2002/0829: {without deformation of anchor parts, e.g. fixation screws on bone surface, extending barbs, cams, butterflies, spring-loaded pins} - A61F 2002/0852: {Fixation of a loop or U-turn, e.g. eyelets, anchor having multiple holes} - A61F 2002/087: {Anchor integrated into tendons, e.g. bone blocks, integrated rings} - A61F 2002/0882: {Anchor in or on top of a bone tunnel, i.e. a hole running through the entire bone} - A61F 2002/285: {Fixation appliances for attaching bone substitute support means to underlying bone} - A61F 2002/30126: {oval-O-shaped} - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A tissue fixation system provides a primary fixation plate with a depending graft retention loop and a longer auxiliary fixation plate which fits to the primary fixation plate via upwardly projecting pegs which fit into suture holes in the primary fixation plate. The system has particular utility in cortical fixation procedures in which a graft channel is over-drilled and a longer fixation plate is indicated. ## Claims ### Claim 1 A tissue fixation device comprising: a first fixation plate comprising an elongated body having a first end and a second end with a length therebetween, a first suture aperture at the first end, and a central graft support loop depending therefrom; a second fixation plate receiving the first fixation plate and comprising an upper surface having a first peg projecting upwardly therefrom through the first suture aperture of the first fixation plate, a first suture projecting through the first suture aperture of the first fixation plate, and wherein the second fixation plate has a length exceeding the length between the first end and the second end of the first fixation plate; and wherein the first fixation plate further comprises a second suture aperture and wherein the second fixation plate further comprises a second peg projecting upwardly therefrom through the second suture aperture of the first plate, and a second suture projecting through the second suture aperture of the first fixation plate. ### Claim 2 (depends on 1) A tissue fixation device according to claim 1 wherein the length of the second fixation plate exceeds the length of the first fixation plate by at least 15 percent. ### Claim 3 (depends on 1) A tissue fixation device according to claim 1 wherein the length of the second fixation plate exceeds the length of the first fixation plate by at least 65 percent. ### Claim 4 (depends on 1) A tissue fixation device according to claim 1 wherein the second fixation plate further comprises a first suture receiving aperture with a first suture therethrough and a second suture receiving aperture with a second suture therethrough. ### Claim 5 (depends on 1) A tissue fixation device according to claim 1 wherein the second fixation plate has a lower surface opposite its upper surface and wherein the graft support loop depends below the second fixation plate lower surface. ### Claim 6 (depends on 1) A tissue fixation device according to claim 1 wherein the first peg fits closely within the first suture aperture of the first fixation plate. ### Claim 7 (depends on 1) A tissue fixation device according to claim 1 wherein the first peg fits with a compression fit within the first suture aperture of the first fixation plate whereby to hold together the first fixation plate and the second fixation plate. ### Claim 8 (depends on 1) A tissue fixation device according to claim 1 wherein the first fixation plate and second fixation plate interlock with each other. ### Claim 9 (depends on 8) A tissue fixation device according to claim 8 wherein the interlocking comprises a snap-fit engagement between the first fixation plate and the second fixation plate. ### Claim 10 (depends on 1) A tissue fixation device according to claim 1 wherein the second fixation plate further comprises a side opening slot through which depends the graft support loop. ### Claim 11 (depends on 1) A tissue fixation device according to claim 1 wherein the second fixation plate further comprises a pair of side opening slots with a separator in-between, the separator passing through the graft support loop laterally and the graft support loop depending downwardly through the side opening slots. ### Claim 12 (depends on 1) A tissue fixation device according to claim 1 wherein the second fixation plate has an elongated central aperture therethrough sized and positioned to allow the central graft support loop to depend therethrough and further sized to allow the first fixation plate to pass therethrough whereby to allow the mating of the first fixation plate to the second fixation plate with the central graft support loop depending through the elongated central aperture of the second fixation plate, and the mating to be effected after a graft is already attached to the graft support loop.