# US 2019/0167251 A1 · Transosseous suture anchor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0167251 A1 - Document ID: US20190167251A1 - Status: Published application - Kind: A1 - Application number: 16/268,973 - Filed: 2019-02-06 - Published: 2019-06-06 - Earliest claimed: 2015-08-04 - Assignees: Kator, LLC - Applicants: Kator, LLC - Inventors: T. Wade Fallin; Joel Helgerson - Web page: https://patentgrep.com/patent/US20190167251A1 ## CPC - 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)} - A61B 17/06133: {of parallelepipedal shape, e.g. made of rectangular or slightly oval panels} - A61F 2/0811: {Fixation devices for tendons or ligaments} - A61B 17/0485: {Devices or means, e.g. loops, for capturing the suture thread and threading it through an opening of a suturing instrument or needle eyelet} - A61B 90/92: coded with colour - A61B 2017/0053: {Loading magazines or sutures into applying tools} - A61B 2017/0403: {Dowels} - A61B 2017/0409: {Instruments for applying suture anchors} - A61B 2017/0412: {having anchoring barbs or pins extending outwardly from suture anchor body} - A61B 2017/0414: {having a suture-receiving opening, e.g. lateral opening} - A61B 2017/0424: {the separate member staying in the anchor after placement} - A61B 2017/0425: {the anchor or the separate member comprising threads, e.g. a set screw in the anchor} - A61B 2017/045: {snug fit within the anchor} - A61B 2017/0458: {Longitudinal through hole, e.g. suture blocked by a distal suture knot} - A61B 2090/037: {with a frangible part, e.g. by reduced diameter} - A61B 2090/0807: {Indication means} - A61F 2002/0835: {with deformation of anchor parts, e.g. expansion of dowel by set screw} - A61F 2002/0882: {Anchor in or on top of a bone tunnel, i.e. a hole running through the entire bone} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - 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) ## Abstract Examples of the invention include implants, instruments and methods for surgical transosseous attachment to a bone. More particularly, examples of the invention relate to knotless suture anchors. ## Claims ### Claim 1 A knotless suture anchor comprising: an anchor body having an exterior surface, a proximal end, a distal end, a longitudinal axis extending between the proximal and distal end, an interior longitudinal passageway extending at least partway from the proximal end toward the distal end, a proximal opening communicating with the longitudinal passageway nearer the proximal end, and a distal opening communicating with the longitudinal passageway nearer the distal end; and a first portion of a suture extending within the longitudinal passageway between the proximal opening and the distal opening, a second portion of the suture contiguous to the first portion and extending out of the anchor body, a third portion of the suture contiguous to the second portion and extending within the longitudinal passageway proximally to distally, and a fourth portion of the suture contiguous to the third portion and extending along the exterior surface distally to proximally. ### Claim 2 (depends on 1) The knotless suture anchor of claim 1 further comprising an interference member operable to axially slide into the longitudinal passageway and secure the first portion of the suture and the third portion of the suture within the longitudinal passageway by compressing the suture portions between the interference member and the anchor body. ### Claim 3 (depends on 1) The knotless suture anchor of claim 1 further comprising a proximal member joined to the anchor body by a frangible connection, a proximal member axial passage within the proximal member, the proximal member axial passage containing an interference member coaxially aligned with the longitudinal passageway. ### Claim 4 (depends on 3) The knotless suture anchor of claim 3 further comprising an interference member retainer having a retainer axial passage, the interference member retainer engaging the proximal member axial passage in axial sliding relationship, the interference member engaging the retainer axial passage in axial sliding relationship. ### Claim 5 (depends on 4) The knotless suture anchor of claim 4 further comprising an inserter operable to engage the proximal member in axial force transmitting relationship in a first direction, the inserter having a pushrod mounted for axial translation within the inserter, the pushrod being operable to engage the interference member in axial force transmitting relationship in a second direction opposite the first direction and expel the interference member from the proximal member into the anchor body, the pushrod being further operable to engage the interference member retainer in axial force transmitting relationship to press the interference member retainer against the anchor body and separate the anchor body and proximal member at the frangible connection. ### Claim 6 (depends on 1) The knotless suture anchor of claim 1 wherein the anchor body has a plurality of distal openings. ### Claim 7 (depends on 6) The knotless suture anchor of claim 6 wherein the plurality of distal openings comprises first and second openings through a sidewall of the anchor body nearer the distal end than the proximal end. ### Claim 8 (depends on 6) The knotless suture anchor of claim 6 wherein the first portion of the suture passes through at least one of the plurality of distal openings and the third portion of the suture passes through at least another of the plurality of distal openings. ### Claim 9 A knotless suture anchor comprising: an anchor body having an exterior surface, a proximal end, a distal end, a longitudinal axis extending between the proximal and distal end, an interior longitudinal passageway extending at least partway from the proximal end toward the distal end, a proximal opening communicating with the longitudinal passageway nearer the proximal end, and a first distal opening communicating with the longitudinal passageway nearer the distal end than the proximal end; a proximal member joined to the anchor body by a frangible connection, the proximal member having a proximal member axial passage. ### Claim 10 (depends on 9) The knotless suture anchor of claim 9 further comprising an interference member held by the proximal member and coaxially aligned with the longitudinal passageway. ### Claim 11 (depends on 10) The knotless suture anchor of claim 10 wherein the interference member is mounted in axial sliding relationship within the proximal member and wherein the interference member is operable to slide axially out of the proximal member and into the longitudinal passageway of the anchor body. ### Claim 12 (depends on 10) The knotless suture anchor of claim 10 wherein the anchor body further comprises a second distal opening. ### Claim 13 (depends on 12) The knotless suture anchor of claim 12 wherein the first and second distal openings are formed through a sidewall of the anchor body nearer the distal end than the proximal end, the first and second distal openings being aligned on the same side of the anchor body and spaced axially away from one another. ### Claim 14 (depends on 10) The knotless suture anchor of claim 10 further comprising an interference member retainer having a retainer axial passage, the interference member retainer engaging the proximal member axial passage in axial sliding relationship, the interference member engaging the retainer axial passage in axial sliding relationship. ### Claim 15 (depends on 14) The knotless suture anchor of claim 14 further comprising an inserter operable to engage the proximal member in axial force transmitting relationship in a first direction, the inserter having a pushrod mounted for axial translation within the inserter, the pushrod being operable to engage the interference member in axial force transmitting relationship in a second direction opposite the first direction and expel the interference member from the proximal member into the anchor body, the pushrod being further operable to engage the interference member retainer in axial force transmitting relationship to press the interference member retainer against the anchor body and separate the anchor body and proximal member at the frangible connection. ### Claim 16 (depends on 10) The knotless suture anchor of claim 10 further comprising a first portion of suture extending within the longitudinal passageway and a second portion of suture contiguous to the first portion of suture extending from the anchor body, a third portion of suture contiguous to the second portion of suture and extending within the longitudinal passageway proximally to distally, a fourth portion of suture contiguous to the third portion and extending along the exterior surface distally to proximally. ### Claim 17 (depends on 16) The knotless suture anchor of claim 16 further comprising a frangible elongate tube having a proximal end and a distal end, wherein the second portion of suture passes through the tube from the proximal end to the distal end. ### Claim 18 (depends on 12) The knotless suture anchor of claim 12 further comprising: a first suture threader extending within the longitudinal passageway, the first suture threader extending through the proximal opening to a first threader loop end and the first suture threader extending through the first distal opening to a first threader grip end, the first threader loop end defining a suture capture loop; and a second suture threader extending within the longitudinal passageway, the second suture threader extending through the proximal opening to a second threader grip end and the second suture threader extending through the second distal opening to a second threader loop end, the second threader loop end defining a suture capture loop. ### Claim 19 A knotless suture anchor comprising: an anchor body having an exterior surface, a proximal end, a distal end, a longitudinal axis extending between the proximal and distal end, an interior longitudinal passageway extending at least partway from the proximal end toward the distal end, a proximal opening communicating with the longitudinal passageway nearer the proximal end, and a distal opening communicating with the longitudinal passageway nearer the distal end; a proximal member joined to the anchor body by a frangible connection, the proximal member having a sidewall defining a proximal member axial passage coaxial with the longitudinal passageway, the proximal member having an aperture through the sidewall adjacent to the frangible connection, the proximal member being operable to break away from the anchor body at the frangible connection causing the aperture to open distally. ### Claim 20 (depends on 19) The knotless suture anchor of claim 19 further comprising an interference member mounted in the proximal member axial passage in coaxial sliding relationship.