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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0924385 (2015-10-27) |
등록번호 | US-9610171 (2017-04-04) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 450 |
Total disc replacement systems and related methods involving a lateral, trans-psoas surgical approach to the spine while performing at least one of continuous and intermittent intra-operative neural monitoring of the psoas muscle to avoid injury during introduction.
1. A method for replacing an intervertebral disc comprising the step of: establishing an operative corridor to an intervertebral disc space via a lateral, trans-psoas surgical approach by performing at least one of continuous and intermittent intra-operative neural monitoring to safely establish the
1. A method for replacing an intervertebral disc comprising the step of: establishing an operative corridor to an intervertebral disc space via a lateral, trans-psoas surgical approach by performing at least one of continuous and intermittent intra-operative neural monitoring to safely establish the operative corridor through a psoas muscle adjacent to the disc space; implanting into the intervertebral disc space a lateral total disc replacement system;wherein said disc replacement system comprises two anchor plates and at least one intradiscal element, said intradiscal element positioned within a posterior region of said disc space; andclosing said operative corridor. 2. The method according to claim 1, wherein the step of implanting includes positioning the intradiscal element within the posterior region of the disc space when the disc replacement system is centered along the longitudinal midline and lateral midline of the disc space. 3. The method according to claim 2, wherein at least one of said anchor plates include at least one anti-migration feature aligned along the longitudinal midline of said anchor plate. 4. The method according to claim 3, comprising the additional step of: implanting a radiographic marker in at least one of an upper vertebra and a lower vertebra adjacent to said disc space and in line with said longitudinal midline of said disc space prior to inserting said disc replacement system into said disc space. 5. The method according to claim 3, comprising the additional steps of: positioning said at least one anti-migration feature of at least one of said anchor plates in line with said radiographic marker prior to and during insertion of said disc replacement system; and using at least one of a medical imaging device and visual inspection to check the alignment of said at least one anti-migration feature with said radiographic marker at least one of during and after insertion. 6. The method according to claim 2, wherein at least one of said anchor plates include at least one anti-migration feature aligned along the lateral midline of said anchor plate. 7. The method according to claim 6, comprising the additional steps of: positioning said at least one anti-migration feature of said anchor plate in line with the spinous process of at least one of the adjacent vertebrae; and using a medical imaging device to check the alignment of said at least one anti-migration feature with said spinous process at least one of during and after insertion. 8. The method according to claim 1, wherein said anchor plates and said intradiscal element are formed of at least one of metal, ceramics, polymers, and a combination thereof. 9. The method according to claim 8, wherein said anchor plates and said intradiscal element are formed of the same material. 10. The method according to claim 9, wherein said anchor plates and said intradiscal element are formed of different materials. 11. The method according to 8, wherein said at least one of said anchor plates and said intradiscal element are coated with zirconium oxide. 12. The method according to claim 1, further comprising the step of: preparing said disc space prior to inserting said disc replacement system into said space, said preparation step including cutting the annulus of said intervertebral disc at a location contra-lateral to an insertion channel formed in said disc space. 13. The method according to claim 10, comprising the additional steps of: implanting an interbody implant within at least one of an adjacent disc space and a remote disc space from said disc space; and implanting said interbody implant at least one of before and after inserting said disc replacement system into said disc space. 14. The method according to claim 13, wherein said interbody implant is at least one of an anterior lumbar interbody fusion implant, a lateral total disc replacement, and a nucleus replacement implant. 15. The method according to claim 13, wherein said interbody implant is at least one of a fusion implant, a nucleus replacement, and a total disc replacement introduced via a trans-sacral surgical approach. 16. The method according to claim 1, comprising the additional step of: engaging said disc replacement system to an insertion instrument to perform said insertion into the disc space. 17. The method according to claim 16, wherein said disc replacement system has a posterior side and an anterior side and wherein said intradiscal element is located in a posteriorly biased position. 18. A total disc replacement system comprising: a first anchor plate, said first anchor plate having a first vertebra engaging surface and a second surface opposite said first surface, said second surface having a recess;a second anchor plate, said second anchor plate having a first vertebra engaging surface, and a second surface opposite said first surface, said second surface having a post element; andan intradiscal element; said intradiscal element having an articular surface dimensioned to articulate within said recess of said first anchor plate and a generally planar surface opposite said articular surface, said planar surface including a central bore for mating with said post member of said second anchor plate, said disc replacement system configured for simultaneous lateral insertion into a disc space via a retroperitoneal, trans-psoas approach while performing at least one of continuous and intermittent intra-operative neural monitoring to safely establish an operative corridor through a psoas muscle adjacent to the disc space; andwherein said intradiscal element is positioned within a posterior region of said disc space.
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