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1.发明授权公开(公告)号：US11344337B2
公开(公告)日：2022-05-31
申请号：US16275751
申请日：2019-02-14
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Anup Gandhi , Jason Inzana , John Caridi , Samuel Cho
Abstract: Implementations described herein include devices and systems for attenuation of increased spinal flexion loads post-fusion that include a transition member. The transition member may have a tension component coupleable to a fused vertebra of a plurality of fused vertebra of a fusion implant and to an adjacent unfused vertebra. The tension component may be tensionable to a selected value. The tension component may modulate a flexion range of motion of the adjacent unfused vertebra as a function of the selected value of tension of the tension component. The transition member may attenuate spinal flexion loads on adjacent unfused vertebra post-operatively.
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公开(公告)号：US20210121304A1
公开(公告)日：2021-04-29
申请号：US17076432
申请日：2020-10-21
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Vijay N. Permeswaran , Anup Gandhi
Abstract: An implant-trialing instrument for objectively determining a recommended implant size based at least in part on results of inserting a pressure sensitive trial implant into the intervertebral space. The trial implant instrument can include a handle coupled to a pressure sensitive trial. The handle can include an elongate shaft. The pressure sensitive trial implant can be disposed on a distal end of the elongate shaft and include a superior end plate surface configured to engage a first end plate of a first vertebral body and an inferior end plate configured to engage a second end plate of a second vertebral body. The pressure sensitive trial implant also includes a pressure sensitive film disposed on at least one of the superior end plate and the inferior end plate.
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3.发明申请公开(公告)号：US20190254719A1
公开(公告)日：2019-08-22
申请号：US16275751
申请日：2019-02-14
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Anup Gandhi , Jason Inzana , John Caridi , Samuel Cho
IPC: A61B17/70
Abstract: Implementations described herein include devices and systems for attenuation of increased spinal flexion loads post-fusion that include a transition member. The transition member may have a tension component coupleable to a fused vertebra of a plurality of fused vertebra of a fusion implant and to an adjacent unfused vertebra. The tension component may be tensionable to a selected value. The tension component may modulate a flexion range of motion of the adjacent unfused vertebra as a function of the selected value of tension of the tension component. The transition member may attenuate spinal flexion loads on adjacent unfused vertebra post-operatively.
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公开(公告)号：US20240374293A1
公开(公告)日：2024-11-14
申请号：US18784607
申请日：2024-07-25
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Randall G. Mast , Allison Christine Capote , Thomas J. Serra , John Spohn , Anup Gandhi , Amy Claeson
Abstract: Various implants and surgical techniques for dynamic spinal tethering systems are discussed. In an example, a spinal tethering system can comprise a flexible elongate spinal tethering cord and a plurality of vertebral implants connecting the cord across at least four spinal levels. In this example, each vertebral implant of the plurality of vertebral implants can include a dynamic head coupling each vertebral implant to the cord. The dynamic head of each vertebral implant can be configured to share cord tension across multiple spinal levels by releasing a first tension generated at a first level between two vertebral implants of the plurality of vertebral implants to generate a second tension across two spinal levels between three vertebral implants of the plurality of vertebral implants, wherein the second tension is lower than the first tension.
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Patent Agency Ranking
公开(公告)号：US11903847B2
公开(公告)日：2024-02-20
申请号：US17076432
申请日：2020-10-21
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Vijay N Permeswaran , Anup Gandhi
CPC classification number: A61F2/4611 , A61F2/30734 , A61F2/442 , A61F2/4684 , A61F2002/30448 , A61F2002/30738
Abstract: An implant-trialing instrument for objectively determining a recommended implant size based at least in part on results of inserting a pressure sensitive trial implant into the intervertebral space. The trial implant instrument can include a handle coupled to a pressure sensitive trial. The handle can include an elongate shaft. The pressure sensitive trial implant can be disposed on a distal end of the elongate shaft and include a superior end plate surface configured to engage a first end plate of a first vertebral body and an inferior end plate configured to engage a second end plate of a second vertebral body. The pressure sensitive trial implant also includes a pressure sensitive film disposed on at least one of the superior end plate and the inferior end plate.
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公开(公告)号：US20210038408A1
公开(公告)日：2021-02-11
申请号：US16943724
申请日：2020-07-30
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Vijay N. Permeswaran , Anup Gandhi
Abstract: An implant-trialing instrument for objectively determining a recommended implant size based at least in part on pressure sensor measurements can include a handle and an adjustable implant trial. The handle can include an elongate body and an adjustment input. The adjustable implant trial can be disposed on a distal end of the elongate body and be adapted to expand within an intervertebral space in response to input from the adjustment input, the adjustable implant trial can include a measurement sensor configured to output an objective measure of intervertebral disc space correlated to implant size. A method of utilizing the implant-trialing instrument can include operations such as distracting the adjustable trialing mechanism, determining whether the pressure measurement satisfies a pre-defined pressure criterion, and recommending an implant size.
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公开(公告)号：US12048460B2
公开(公告)日：2024-07-30
申请号：US17565253
申请日：2021-12-29
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Randall G. Mast , Allison Christine Capote , Thomas Serra , John Spohn , Anup Gandhi , Amy Claeson
CPC classification number: A61B17/7022 , A61B17/7032 , A61B17/7044 , A61B2017/681
Abstract: Various implants and surgical techniques for dynamic spinal tethering systems are discussed. In an example, a spinal tethering system can comprise a flexible elongate spinal tethering cord and a plurality of vertebral implants connecting the cord across at least four spinal levels. In this example, each vertebral implant of the plurality of vertebral implants can include a dynamic head coupling each vertebral implant to the cord. The dynamic head of each vertebral implant can be configured to share cord tension across multiple spinal levels by releasing a first tension generated at a first level between two vertebral implants of the plurality of vertebral implants to generate a second tension across two spinal levels between three vertebral implants of the plurality of vertebral implants, wherein the second tension is lower than the first tension.
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8.发明申请公开(公告)号：US20220233217A1
公开(公告)日：2022-07-28
申请号：US17723753
申请日：2022-04-19
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Anup Gandhi , Jason Inzana , John Caridi , Samuel Cho
Abstract: Implementations described herein include devices and systems for attenuation of increased spinal flexion loads post-fusion that include a transition member. The transition member may have a tension component coupleable to a fused vertebra of a plurality of fused vertebra of a fusion implant and to an adjacent unfused vertebra. The tension component may be tensionable to a selected value. The tension component may modulate a flexion range of motion of the adjacent unfused vertebra as a function of the selected value of tension of the tension component. The transition member may attenuate spinal flexion loads on adjacent unfused vertebra post-operatively.
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公开(公告)号：US20220226023A1
公开(公告)日：2022-07-21
申请号：US17565253
申请日：2021-12-29
Applicant: Zimmer Biomet Spine, Inc.
Inventor： Randall G. Mast , Allison Christine Capote , Thomas Serra , John Spohn , Anup Gandhi , Amy Claeson
IPC: A61B17/70
Abstract: Various implants and surgical techniques for dynamic spinal tethering systems are discussed. In an example, a spinal tethering system can comprise a flexible elongate spinal tethering cord and a plurality of vertebral implants connecting the cord across at least four spinal levels. In this example, each vertebral implant of the plurality of vertebral implants can include a dynamic head coupling each vertebral implant to the cord. The dynamic head of each vertebral implant can be configured to share cord tension across multiple spinal levels by releasing a first tension generated at a first level between two vertebral implants of the plurality of vertebral implants to generate a second tension across two spinal levels between three vertebral implants of the plurality of vertebral implants, wherein the second tension is lower than the first tension.
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