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    • 4. 发明授权
    • Interspinous process spacer
    • 棘突间隔
    • US08500778B2
    • 2013-08-06
    • US12162939
    • 2007-01-31
    • Benjamin L. JacksonDavid ChowRobert J. Delurio
    • Benjamin L. JacksonDavid ChowRobert J. Delurio
    • A61B17/70
    • A61B17/7062A61B2017/0256
    • An interspinous process spacer is generally rectangular and may have an upper face that generally opposes a lower face, front and back sides that generally oppose each other, an end side, and a nose that generally opposes the end side. The spacer preferably has rounded edges between the upper face and the front, end, and back sides and between the lower face and the front, end, and back sides. The nose of the spacer is preferably asymmetrical and tapers integrally, distally, and inwardly from the first and second faces to form a generally pointed or rounded distal tip. A spacer may be inserted laterally into the interspinous space through a small, posterior midline incision, allowing the preservation of the supraspinous ligament. One or more spacers may be placed between spinous processes of adjacent vertebrae, and result in distraction of the spinous processes which may limit extension of the spine.
    • 棘突间间隔件通常是矩形的,并且可以具有通常与通常彼此相对的下表面,前侧和后侧相对的上表面,端面和通常与端侧相对的鼻部。 间隔件优选地在上表面与前端,端部和后侧之间以及下表面与前端,端侧和后侧之间具有圆形边缘。 间隔件的鼻部优选地是不对称的,并且从第一和第二面一体地,远端地和向内逐渐变细,以形成大致尖的或圆形的远侧末端。 间隔物可以通过小的后中线切口横向插入椎间盘间隙,允许保留上棘韧带。 一个或多个间隔物可以放置在相邻椎骨的棘突之间,并且导致棘突的分散,这可能限制脊柱的延伸。
    • 8. 发明申请
    • INTERSPINOUS PROCESS SPACER
    • US20090306715A1
    • 2009-12-10
    • US12162939
    • 2007-01-31
    • Benjamin L. JacksonDavid ChowRobert J. Delurio
    • Benjamin L. JacksonDavid ChowRobert J. Delurio
    • A61B17/70A61B17/88
    • A61B17/7062A61B2017/0256
    • An interspinous process spacer is generally rectangular and may have an upper face that generally opposes a lower face, front and back sides that generally oppose each other, an end side, and a nose that generally opposes the end side. The spacer preferably has rounded edges between the upper face and the front, end, and back sides and between the lower face and the front, end, and back sides. The nose of the spacer is preferably asymmetrical and tapers integrally, distally, and inwardly from the first and second faces to form a generally pointed or rounded distal tip. A spacer may be inserted laterally into the interspinous space through a small, posterior midline incision, allowing the preservation of the supraspinous ligament. One or more spacers may be placed between spinous processes of adjacent vertebrae, and result in distraction of the spinous processes which may limit extension of the spine. Implantation of an interspinous process may inhibit or prevent the narrowing of the spinal canal and neural foramen at the level of treatment, thereby relieving pain symptoms. Preservation of the supraspinous ligament may provide additional stability, for example by keeping the implant from migrating posteriorly.
    • 棘突间间隔件通常是矩形的,并且可以具有通常与通常彼此相对的下表面,前侧和后侧相对的上表面,端面和通常与端侧相对的鼻部。 间隔件优选地在上表面与前端,端部和后侧之间以及下表面与前端,端侧和后侧之间具有圆形边缘。 间隔件的鼻部优选地是不对称的,并且从第一和第二面一体地,远端地和向内逐渐变细,以形成大致尖的或圆形的远侧末端。 间隔物可以通过小的后中线切口横向插入椎间盘间隙,允许保留上棘韧带。 一个或多个间隔物可以放置在相邻椎骨的棘突之间,并且导致棘突的分散,这可能限制脊柱的延伸。 棘突间植入可以抑制或预防治疗水平的椎管和神经孔的变窄,从而缓解疼痛症状。 保留上棘韧带可以提供额外的稳定性,例如通过保持植入物向后移动。