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Instruments and implants
approved by the AO Foundation

Synex System.

An exp

le verte

ody repl

cement device.

Technique Guide

Содержание Synex System

Страница 1: ...Instruments and implants approved by the AO Foundation Synex System An expandable vertebral body replacement device Technique Guide...

Страница 2: ...5 Perform Corpectomy 6 Determine Implant Size 7 Fill with Bone Graft 8 Attach Headpieces to Parallel Distractor 9 Expand Implant 10 Verify Locking Ring is Closed 12 Apply Supplemental Fixation 13 Low...

Страница 3: ...and controlled in situ expansion with minimal instrumentation Convex endplates anatomically designed to minimize subsidence while optimizing bone graft placement following expansion Implants made from...

Страница 4: ...vertebral body endplate anatomy Teeth and spikes designed to minimize implant migration Kyphotic and lordotic configurations available Open and closed endplates available Access for bone graft Large w...

Страница 5: ...nal alignment to improve the biomechanics of the spine Stable internal fixation Stabilization of the spinal segment to promote bony fusion Preservation of blood supply Creation of an optimal environme...

Страница 6: ...stable vertebral body resulting from tumor or traumatic fracture The Synex implant can be packed with bone and should be used with Synthes supplemental internal fixation systems such as TSLP VentroFix...

Страница 7: ...my Perform a partial or complete corpectomy as required Note Remove the superficial layer of the cartilaginous endplates to expose bleeding bone Excessive removal of subchondral bone may weaken the ve...

Страница 8: ...implant in its starting position should be less than the undistracted corpectomy height Subtract 4 mm from the value read on the distractor scale to account for the height of the three tallest spikes...

Страница 9: ...nt Fill the hollow body of the implant after expansion 6 Insert implant Guide and position the implant with the implant holder Ensure that the release opening is facing the implant holder to allow rep...

Страница 10: ...e headpieces onto the blades of the parallel distractor for implant expansion The headpiece sizes correspond to the implant diameters Use the headpieces labeled B for blue Synex implants and headpiece...

Страница 11: ...y the implant holder may be used simultaneously to maintain implant position during distraction Expand the implant until the desired amount of spinal correction is achieved Each step of the ratchet me...

Страница 12: ...he disconnecting instrument to collapse the expanded implant to its starting position Introduce the disconnecting instrument into the slot between the two ends of the locking ring and turn it one quar...

Страница 13: ...1 mm Figure 1 the implant height is secure If the slot is larger Figure 2 expand the implant slightly to engage the locking ring 10 Place bone graft Radiographically verify the position of the implant...

Страница 14: ...uct the Synex system is indicated for use with supplemental anterior and or posterior fixation The following systems may be used VentroFix TSLP Pangea and or USS Refer to the appropriate technique gui...

Страница 15: ...ng the T handle clock wise until the red line a on the shaft is visible Turn the locking bolt b counterclockwise until it disconnects from the spreading instrument Remove the locking bolt from the sha...

Страница 16: ...Synthes Spine 15 3 Remove T handle Remove the T handle by turning it clockwise until unthreaded and then pull it out of the shaft 4 Remove hex head Remove the hex head by turning it counterclockwise...

Страница 17: ...or Disassembly and Assembly continued 16 Synthes Spine Synex System Technique Guide Assembly After cleaning assemble the spreading instruments 1 Insert hex head Thread the hex head clockwise into the...

Страница 18: ...le Insert the T handle into the distractor shaft and thread counter clockwise to the red line Attach the hex head to the T handle 3 Insert locking bolt Insert the locking bolt into the T handle and tu...

Страница 19: ...hotic endplates in a range of heights Angle Height Range Angulation 495 320 5 20 mm 25 mm kyphotic 495 315 5 23 mm 31 mm kyphotic 495 318 5 28 mm 40 mm kyphotic 495 325 5 36 mm 56 mm kyphotic Synex wi...

Страница 20: ...allel 495 317 0 26 mm 36 mm parallel 495 319 0 31 mm 46 mm parallel 495 321 10 33 mm 48 mm lordotic 495 323 20 37 mm 55 mm lordotic 495 327 6 45 mm 73 mm kyphotic Synex with large endplates blue open...

Страница 21: ...ique Guide Instruments 389 205 Small Headpieces for use with Synex Parallel Distractor 389 206 Large Headpieces for use with Synex Parallel Distractor 389 204 Implant Holder 389 193 Parallel Distracto...

Страница 22: ...information please refer to the package insert 01 807 003 Synex Endoscopic Spreader Instrument Set Note For further information please refer to the Endoscopic Spreader Instrument Set Assembly and Tec...

Страница 23: ...nt 389 204 Implant Holder 389 205 Small Headpiece for use with Synex Parallel Distractor 2 ea 389 206 Large Headpiece for use with Synex Parallel Distractor 2 ea 8203 Synex Preoperative Planner Implan...

Страница 24: ...ates green open Angle Height Range Angulation 04 807 120 5 20 mm 25 mm kyphotic 04 807 123 5 23 mm 31 mm kyphotic 04 807 128 5 28 mm 40 mm kyphotic 04 807 136 5 36 mm 56 mm kyphotic Synex with large e...

Страница 25: ...Synthes Canada Ltd 2566 Meadowpine Boulevard Mississauga Ontario L5N 6P9 Telephone 905 567 0440 To order 800 668 1119 Fax 905 567 3185 www synthes com 2001 Synthes Inc or its affiliates All rights re...