# K241466: Shoreline ACS Interbody System; Shoreline RT Interbody System; Regatta Lateral System; Reef L Interbody System; Reef TO/TA System; Meridian Interbody System; WaveForm C Interbody System; WaveForm L Interbody System; WaveForm TO Interbody System; WaveForm TA Interbody System; WaveForm A Interbody System

- Pathway: 510(k) (Special)
- Applicant: SeaSpine Orthopedics Corporation
- Decided: Jun 20, 2024 after 28 days
- Product code: MAX (Intervertebral Fusion Device With Bone Graft, Lumbar)
- Device class: 2
- Regulation: 21 CFR 888.3080
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 32 generations back to K841189 (1984). 669 ancestors in all.
3 later devices descend from it; 2 cite it directly.
1 of 673 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K210497: SeaSpine Spacer System NM (Hollywood, Hollywood VI, Pacifica, Redondo, Ventura), Vu a•POD-L NanoMetalene, SeaSpine Vu e•POD System, SeaSpine Vu a•POD Prime NanoMetalene Intervertebral, SeaSpine Shoreline ACS - Anterior Cervical Standalone, SeaSpine Cervical Interbody RT System, SeaSpine Cambria System, SeaSpine Regatta Lateral System, SeaSpine Reef TO/TA System, SeaSpine Reef TH System, SeaSpine Meridian System, SeaSpine Orthopedics Corporation (2021) Summary page 11.
- K240566: Reef L Interbody System; WaveForm L Interbody System, SeaSpine Orthopedics Corporation (2024) Summary page 11.
- K233694: Meridian Interbody System; WaveForm A Interbody System, SeaSpine Orthopedics Corporation (2024) Summary page 11.
- K233414: Shoreline ACS Interbody System; Shoreline RT Interbody System, SeaSpine Orthopedics Corporation (2023) Summary page 11.
- K213359: SeaSpine WaveForm, C Interbody System, SeaSpine Orthopedics Corporation (2021) Summary page 11.
- K213420: WaveForm L System, WaveForm TO System, WaveForm TA System, SeaSpine Orthopedics Corporation (2022) Summary page 11.

## Most influential descendants
- K250987: aprevo® posterior/transforaminal lumbar interbody fusion device (2025), 1 descendant of its own
- K260385: aprevo® anterior and lateral lumbar interbody system; aprevo® posterior and transforaminal lumbar interbody system; aprevo® cervical interbody system; corra™ cervical plating system (2026), 0 descendants of its own
- K254105: Hive™ Standalone Cervical System and Hive™ C Interbody System (2026), 0 descendants of its own

## Indications for use
Shoreline ACS Interbody System The Shoreline ACS Interbody System with NanoMetalene® surface technology are interbody fusion devices intended for use in skeletally mature patients with degenerative disc disease (DDD) of the cervical spine (C2-T1) for multiple contiguous levels. DDD is defined as discogenic pain with degeneration of the disc confirmed by history and radiographic studies. These patients should be skeletally mature and have had at least six (6) weeks of non-operative treatment. These devices are to be filled with autograft bone and/or allogenic bone graft composed of cancellous, cortical, and/or corticocancellous bone. When used as a standalone system, the Shoreline ACS Interbody System, which includes the TruProfile plates and No-profile spacer, is intended to be used as an adjunct to spinal fusion procedures at multiple contiguous levels of the cervical spine (C2-T1) and must be used with bone screw fixation and locking covers. The Shoreline ACS interbody spacers with ≥ 20° lordosis are intended to be used with supplemental fixation. When the Shoreline ACS Interbody (excluding the No-profile spacer) is used with supplemental fixation, such as anterior cervical plates, the Shoreline ACS Interbody System is intended to be used as an adjunct to spinal fusion procedures at multiple contiguous levels of the cervical spine (C2-T1). Shoreline RT Interbody System The Shoreline RT Interbody System with NanoMetalene® surface technology are interbody fusion devices intended for use in skeletally mature patients with degenerative disc disease (DDD) of the cervical spine (C2-T1) for multiple contiguous levels. DDD is defined as discogenic pain with degeneration of the disc confirmed by history and radiographic studies. These patients should be skeletally mature and have had at least six (6) weeks of non-operative treatment. These devices are to be filled with autograft bone and/or allogenic bone graft composed of cancellous, cortical, and/or corticocancellous bone. When used as a standalone system, the Shoreline RT Interbody System, which includes the TruProfile plates, is intended to be used as an adjunct to spinal fusion procedures at multiple contiguous levels of the cervical spine (C2-T1) and must be used with bone screw fixation and locking covers. The Shoreline RT interbody spacers with ≥ 20° lordosis are intended to be used with supplemental fixation. When the Shoreline RT Interbody System is used with supplemental fixation, such as anterior cervical plates, the Shoreline RT Interbody System is intended to be used as an adjunct to spinal fusion procedures at multiple contiguous levels of the cervical spine (C2-T1). Regatta Lateral System Interbody Device (IBD) Implants (i.e., interbody implants used alone): The Regatta Lateral System with NanoMetalene® surface technology is indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD, defined as back pain of discogenic origin, with degeneration of the disc confirmed by history and radiographic studies). It is intended for use at either one level or two contiguous levels in the lumbar spine, from L2 to S1, for the treatment of DDD with up to Grade 1 spondylolisthesis at the involved level(s). The interior of the interbody spacer component may be packed with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The Regatta Lateral System is intended for use with supplemental fixation. TruProfile Interbody Implants: The Regatta Lateral System assembled with the TruProfile Lateral Plate, when used with Screws, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). The interior of the spacer component may be packed with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The Regatta Lateral System assembled with the 1- hole TruProfile Lateral Plate, when used with Screws, is intended for use with supplemental fixation. Reef L Interbody System Interbody Device (IBD) Implants (i.e., interbody implants used alone): The Reef L Interbody System with NanoMetalene® surface technology is indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD, defined as back pain of discogenic origin, with degeneration of the disc confirmed by history and radiographic studies). It is intended for use at either one level or two contiguous levels in the lumbar spine, from L1 to S1, for the treatment of DDD with up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone or a bone void filler as cleared by FDA for use in intervertebral body fusion to facilitate fusion. The Reef L Interbody System is intended for use as an adjunct to fusion in the thoracolumbar spine from T1 to T12 and at the thoracolumbar junction (T12-L1) for the treatment of symptomatic disc degeneration (DDD) or degenerative spondylolisthesis at one or two contiguous levels, including thoracic disc herniation (with myelopathy and/or radiculopathy with or without axial pain). DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The Reef L Interbody System can also be used as an adjunct to fusion in patients diagnosed with multilevel degenerative scoliosis and sagittal deformity. The Reef L Interbody System is intended for use with supplemental fixation. Hyperlordotic sizes (greater than 20°) must be used with legally marketed anterior supplemental fixation. TruProfile Interbody Implants (i.e., interbody implants used with TruProfile Plates): The Reef L Interbody System assembled with the TruProfile Lateral Plate, when used with Screws, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L1 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft, allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone or a bone void filler as cleared by FDA for use in intervertebral body fusion to facilitate fusion. The Reef L Interbody System assembled with the TruProfile Lateral Plate, when used with Screws, can also be used as an adjunct to fusion in patients diagnosed with multilevel degenerative scoliosis and sagittal deformity. The Reef L Interbody System assembled with the 1-Hole TruProfile Lateral Plate, when used with a single Screw, is intended for use with additional legally marketed anterior or posterior supplemental fixation. Reef TO/TA System When used as an intervertebral body fusion device, the Reef TO/TA System with NanoMetalene® surface technology is intended for spinal fusion procedures at one or two contiguous levels (L2-S1) in skeletally mature patients with degenerative disc disease (DDD). DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. DDD patients may also have up to Grade 1 spondylolisthesis or retrolisthesis at the involved level(s). These patients may have had a previous non-fusion spinal surgery at the involved spinal level(s). These patients should have had six months of non-operative treatment. The device is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone and supplemental fixation. Meridian Interbody System Interbody Device (IBD) Implants (i.e., interbody implants used alone): The Meridian System with NanoMetalene® surface technology Interbody, when used with or without a Spin Plate, is indicated for use as an adjunct to fusion in patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients should be skeletally mature and have had at least six (6) months of non-operative treatment. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. The Meridian Interbody is intended for use with supplemental fixation. No-Profile Interbody Implants with Screws: The Meridian System 2-Hole and 3-Hole No-profile Interbody, when used with Screws and with or without a No-profile Locking Cover, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed cancellous, cortical, and/or corticocancellous bone. The Meridian System 2-Hole and 3-Hole No-profile Interbody must be used with the maximum number of screws allowed. Hyperlordotic sizes (greater than 20°) are intended for use with supplemental fixation. The Meridian System 4-Hole No-profile Interbody, when used with Screws and with or without a No-profile Locking Cover, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. The Meridian System 4-Hole No-profile Interbody may be used as a standalone device only when at least two Screws are inserted with one inferior and one superior screw trajectory. If the surgeon chooses to use the 4-Hole No-profile Interbody with fewer than two Screws inserted with one inferior and one superior screw trajectory, then additional supplemental fixation system must be used. Hyperlordotic sizes (greater than 20°) are intended for use with supplemental fixation. No-Profile Interbody Implants with Inline Fixation Anchors: The Meridian System No-profile Interbody, when used with Inline Fixation Anchors and a No-profile Locking Cover, is indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. The Meridian System No-profile Interbody with Inline Fixation Anchors is intended for use with supplemental fixation. TruProfile Interbody Implants: The Meridian System TruProfile Interbody assembled with the Anterior Plate, when used with Screws, an Anterior Plate Locking Cover, and with or without a Spin Plate, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. Hyperlordotic sizes (greater than 20°) are intended for use with supplemental fixation. WaveForm C Interbody System The WaveForm C Interbody System are interbody fusion devices intended for use in skeletally mature patients with degenerative disc disease (DDD) of the cervical spine (C2-T1) for multiple contiguous levels. DDD is defined as discogenic pain with degeneration of the disc confirmed by history and radiographic studies. These patients should be skeletally mature and have had at least six (6) weeks of non-operative treatment. These devices are to be filled with autograft bone and/or allogenic bone graft composed of cancellous, cortical, and/or corticocancellous bone. When used as a standalone system, the WaveForm C Interbody System, which includes the 2,3,4-hole TruProfile plates and 2-hole No-profile interfixated spacer, is intended to be used as an adjunct to spinal fusion procedures at multiple contiguous levels of the cervical spine (C2-T1) and must be used with bone screw fixation and locking covers. When the WaveForm C Interbody System (excluding 2-hole No-profile interfixated spacer) is used with supplemental fixation, such as anterior cervical plates, the WaveForm C Interbody System is intended to be used as an adjunct to spinal fusion procedures at multiple contiguous levels of the cervical spine (C2-T1). WaveForm L Interbody System Interbody Device (IBD) Implants (i.e., interbody implants used alone): The WaveForm L Interbody System is indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD, defined as back pain of discogenic origin, with degeneration of the disc confirmed by history and radiographic studies). It is intended for use at either one level or two contiguous levels in the lumbar spine, from L1 to S1, for the treatment of DDD with up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone or a bone void filler as cleared by FDA for use in intervertebral body fusion to facilitate fusion. The WaveForm L Interbody System is intended for use as an adjunct to fusion in the thoracolumbar spine from T1 to T12 and at the thoracolumbar junction (T12-L1) for the treatment of symptomatic disc degeneration (DDD) or degenerative spondylolisthesis at one or two contiguous levels, including thoracic disc herniation (with myelopathy and/or radiculopathy with or without axial pain). DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The WaveForm L Interbody System can also be used as an adjunct to fusion in patients diagnosed with multilevel degenerative scoliosis and sagittal deformity. The WaveForm L Interbody System is intended for use with supplemental fixation. Hyperlordotic sizes (greater than 20°) must be used with legally marketed anterior supplemental fixation. TruProfile Interbody Implants (i.e., interbody implants used with TruProfile Plates): The WaveForm L Interbody System assembled with the TruProfile Lateral Plate, when used with Screws, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L1 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone or a bone void filler as cleared by FDA for use in intervertebral body fusion to facilitate fusion. The WaveForm L Interbody System assembled with the TruProfile Lateral Plate, when used with Screws, can also be used as an adjunct to fusion in patients diagnosed with multilevel degenerative scoliosis and sagittal deformity. The WaveForm L Interbody System assembled with the 1-Hole TruProfile Lateral Plate, when used with a single Screw, is intended for use with additional legally marketed anterior or posterior supplemental fixation. WaveForm TO Interbody System When used as an intervertebral body fusion device, the system is intended for spinal fusion procedures at one or two contiguous levels (L2-S1) in skeletally mature patients with degenerative disc disease (DDD). DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. DDD patients may also have up to Grade 1 spondylolisthesis or retrolisthesis at the involved level(s). These patients may have had a previous non-fusion spinal surgery at the involved spinal level(s). These patients should have had six months of non-operative treatment. The device is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone and supplemental fixation. WaveForm TA Interbody System When used as an intervertebral body fusion device, the system is intended for spinal fusion procedures at one or two contiguous levels (L2-S1) in skeletally mature patients with degenerative disc disease (DDD). DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. DDD patients may also have up to Grade 1 spondylolisthesis or retrolisthesis at the involved level(s). These patients may have had a previous non-fusion spinal surgery at the involved spinal level(s). These patients should have had six months of non-operative treatment. The device is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone and supplemental fixation. WaveForm A Interbody System Interbody Device (IBD) Implants (i.e., interbody implants used alone): The WaveForm A System Interbody, when used with or without a Spin Plate, is indicated for use as an adjunct to fusion in patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients should be skeletally mature and have had at least six (6) months of non-operative treatment. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. The WaveForm A System Interbody is intended for use with supplemental fixation. No-profile Interbody Implants with Screws: The WaveForm A System 2-Hole and 3-Hole No-profile Interbody, when used with Screws and with or without a No-profile Locking Cover, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed cancellous, cortical, and/or corticocancellous bone. The WaveForm A System 2-Hole and 3-Hole No-profile Interbody must be used with the maximum number of screws allowed. Hyperlordotic sizes (greater than 20°) are intended for use with supplemental fixation. The WaveForm A System 4-Hole No-profile Interbody, when used with Screws and with or without a No-profile Locking Cover, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. The WaveForm A System 4-Hole No-profile Interbody may be used as a standalone device only when at least two Screws are inserted with one inferior and one superior screw trajectory. If the surgeon chooses to use the 4-Hole No-profile Interbody with fewer than two Screws inserted with one inferior and one superior screw trajectory, then additional supplemental fixation system must be used. Hyperlordotic sizes (greater than 20°) are intended for use with supplemental fixation. No-profile Interbody Implants with Inline Fixation Anchors: The WaveForm A System No-profile Interbody, when used with Inline Fixation Anchors and with a No-profile Locking Cover, is indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/or corticocancellous bone. The WaveForm A System No-profile Interbody with Inline Fixation Anchors is intended for use with supplemental fixation. TruProfile Interbody Implants: The WaveForm A System TruProfile Interbody assembled with the Anterior Plate, when used with Screws, an Anterior Plate Locking Cover, and with or without a Spin Plate, is a standalone interbody implant indicated for use as an adjunct to fusion in skeletally mature patients with degenerative disc disease (DDD) at one or two contiguous levels from L2 to S1. DDD is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies. The DDD patients may also have up to Grade 1 spondylolisthesis at the involved level(s). Patients must have undergone a regimen of at least six (6) months of non-operative treatment prior to being treated with the device. The interbody is intended to be used with autogenous bone graft and/or allogeneic bone graft composed of cancellous, cortical, and/ or corticocancellous bone. Hyperlordotic sizes (greater than 20°) are intended for use with supplemental fixation.

Source page: https://510kreport.com/device/K241466
Methodology: https://510kreport.com/methodology