SPINAL FIXATION MEMBER
A system for fixing spinal vertebrae utilizes a spinal rod that has varying properties along its length such that a lower stiffness portion is placed in the cranial or caudal end positions of the spinal rod to address potential adjacent level failure. The spinal rod includes a core member formed of...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
05.05.2016
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A system for fixing spinal vertebrae utilizes a spinal rod that has varying properties along its length such that a lower stiffness portion is placed in the cranial or caudal end positions of the spinal rod to address potential adjacent level failure. The spinal rod includes a core member formed of a first material having a first modulus of elasticity and a sheath member formed of a second material having a second modulus of elasticity different from the first modulus of elasticity. The core member includes a first portion having a uniform outer diameter and a second portion extending from the first portion. At least a portion of the second portion has an outer diameter smaller than the uniform outer diameter of the first portion. The sheath member has a lumen extending therethrough that is sized for slidably receiving the second portion of the core member therein. |
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| AbstractList | A system for fixing spinal vertebrae utilizes a spinal rod that has varying properties along its length such that a lower stiffness portion is placed in the cranial or caudal end positions of the spinal rod to address potential adjacent level failure. The spinal rod includes a core member formed of a first material having a first modulus of elasticity and a sheath member formed of a second material having a second modulus of elasticity different from the first modulus of elasticity. The core member includes a first portion having a uniform outer diameter and a second portion extending from the first portion. At least a portion of the second portion has an outer diameter smaller than the uniform outer diameter of the first portion. The sheath member has a lumen extending therethrough that is sized for slidably receiving the second portion of the core member therein. |
| Author | BARRUS MICHAEL |
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| Notes | Application Number: US201514927574 |
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| RelatedCompanies | K2M, INC |
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| Snippet | A system for fixing spinal vertebrae utilizes a spinal rod that has varying properties along its length such that a lower stiffness portion is placed in the... |
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| SubjectTerms | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
| Title | SPINAL FIXATION MEMBER |
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