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PolyBone

PolyBone. NuroSpine. Cranio-Facial Bone defect. * Trauma * Surgically induced * Cranio-facial bone tumor Awesome to patients & surgeons due to cosmetic problems Esp) pterional approach (bone defect & delayed temporal m. atrophy).

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PolyBone

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  1. PolyBone NuroSpine

  2. Cranio-Facial Bone defect • * Trauma * Surgically induced * Cranio-facial bone tumor • Awesome to patients & surgeons due to cosmetic problems Esp) pterional approach (bone defect & delayed temporal m. atrophy)

  3. PMMA(acryl cement, Resin) * Most commonly used in Cranio-Facial defect area. * Advantages 1. Low Price 2. High Mechanical Strength * Disadvantages 1. May Marked Inflammation Response 2. Fibrous Encapsulation of Implant -> Possibility of Infection & loosening of implant

  4. PMMA(acryl cement, Resin) * Disadvantages 3. High temperature (1100 C) generated -> Tissue damage 4. Shaping of Contour of implant after hardening is difficult 5. Never convert to Bone 6. No Bone bonding effect -> Need fixation device (wire, craniofix etc.)

  5. Calcium Phosphate Cement • Advantages: - Biocompatible material - Have bone conduction activity - Easily handling - Good osteointegration - Converted to Bone • Disadvantages: - Low tensile strength than PMMA - Higher cost

  6. PolyBone * Brushite Calcium phosphate Cement(CPC) -> Convert to bone is fast than other CPC * Included Poly-phosphates (Poly-P) : patent -> Poly-P have bone induction activity -> So, PolyBone have both bone induction & conduction activity

  7. PolyBone * BoneSource hardening time: 10-20 mins PolyBone hardening time : within 5 mins * Good Bone bonding effect -> No need of fixation device such as wire or craniofix etc .

  8. PolyBone * Easily making contour during application & after hardening - such as knife, or sharp instrument * Augumentation during the procedure is possible (esp. temporal area)

  9. Tips • If dura was slack down below the inner cortex of bone margin at the bone defect area, put the gelform on the dura at the bone defect area. -> not to compress the brain by PolyBone

  10. Tips • If you anticipated of delayed temporal muscle atrophy, Augmentation of temporal bone area with CPC is possible.

  11. Tips • It is recommended to use each 5 g package separated. • Well adhesion of new CPC to already hardening CPC.

  12. Application of PolyBone on Craniofacial part • Reconstruction of cranial defects -> If larger defect than 10cm2, use of wire mesh is recommended. • Closure of frontal sinus opening • Fronto-temporal contouring (Aneurysm Op.)

  13. Clinical Application on craniofacial areaof PolyBone

  14. Clinical Application Fronto-orbito-zygomatic approach Onlay grafting for augmentation & smoothing contours of skeletal irregularities MVD Op.

  15. Clinical Application • Augumentaion of nasoglabellar, supraorbital rim, mandible • Lateral skull base reconstruction • Translabyrinthine approaches & other skull base approach

  16. Clinical Application All of these are non-stress-bearing areas in craniofacial skeleton

  17. Contraindications of PolyBone Infected field Areas surrounding nonviable bone Abnormal calcium metabolism Metabolic bone diseases Recent untreated infection Poor wound healing Immunologic abnormalities

  18. Bone Setting CT

  19. X-Ray & 3-D CT

  20. Closure of Oro-Antral Fistula

  21. Closure of Frontal Sinus Opening

  22. Closure of Frontal Sinus Opening

  23. Augmentation of temporal area to compensate delayed temporal M. atrophy

  24. MVD Op

  25. Obliteration of Sella Floor after Trans-Sphenoidal Approach

  26. Clinical Application of PolyBone (Aneurysm Cases)

  27. KIM, K Y (F/55) • Rt. MCA Aneurysm

  28. KIM, J Y (M/69) • Pericallosal Aneurysm

  29. KIM, T J (F/63) • A-com Aneurysm

  30. PARK, K H (F/59) • P-com Aneurysm • MCA Aneurysm

  31. PARK, K H

  32. PARK S D (M/53) • A-com Aneurysm • MCA Aneurysm

  33. PARK Y J (F/65) • MCA Aneurysm

  34. PARK Y J

  35. SIN Y S (F/49) • ICA bifurcation Aneurysm

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