Related Manuals for Synthes USS II
Summary of Contents for Synthes USS II
- Page 1 Polyaxial Screws for the Thoracolumbar Spine II Polyaxial ™ Spine System Surgical Technique...
- Page 2 For general information about reprocessing, care and maintenance of Synthes reusable devices, instrument trays and cases, as well as processing of Synthes non-sterile implants, please consult the Important Information leaflet (SE_023827) or refer to:...
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Page 3: Table Of Contents
Prepare seat for Polyaxial 3-D heads Insert 3-D heads Select and insert rods Insert sleeves and nuts Tighten the nuts Remobilization and/or removal Indications and Contraindications Bibliography *For product catalog contact your local DePuy Synthes representative. Surgical Technique USS™ II Polyaxial Spine System DePuy Synthes... -
Page 4: Polyaxial Spine System
II Polyaxial Spine System Overview USS™ II Polyaxial Spine System combined with USS II Ilio-Sacral Spine System is designed for fixation of the thoracolumbar spine and the pelvis. USS II nut Sleeve Polyaxial 3-D head • Click-on head • Side opening for 5 mm or 6 mm rods • 25°... -
Page 5: Ao Spine Principles
Balancing the spine in specific therapeutic three dimensions outcome Biology Function Etiology, pathogenesis, Preservations and resto- neural protection, ration of function to pre- and tissue healing vent disability Copyright © 2012 by AOSpine Surgical Technique USS™ II Polyaxial Spine System DePuy Synthes... -
Page 6: Open Pedicles And Determine Screw Lengths
Continue opening the pedicles using the Pedicle Probe Ø 3.8 mm. Determine the lengths of the USS II Polyaxial screws. Note: If screws Ø 7.0 mm are implanted as the first screws, use the Pedicle Probe Ø 4.8 mm. -
Page 7: Insert Screws Into Pedicles
Note: If cancellous bone screws with a length of 70 mm or longer are inserted, use the Screwdriver Shaft 03.607.002 attached to the USS II Polyaxial Handle. Precaution: For patients with suboptimal bone qual- ity, the use of cancellous bone screws is recom- mended. -
Page 8: Prepare Seat For Polyaxial 3-D Heads
To ream away bone, move the reamer back and forth until the red mark on the screwdriver shaft becomes visible. Note: Make sure that the Screwdriver is well inserted during the procedure. DePuy Synthes USS™ II Polyaxial Spine System Surgical Technique... -
Page 9: Insert 3-D Heads
3-D heads. Do so by aligning the Rod Template (388.870, from USS II Basic Instruments) with the screws (see step 5). The technique of head insertion is the same no matter which heads (for Ø 5.0 mm rods or for Ø 6.0 mm rods) -
Page 10: Select And Insert Rods
Positioner with the slender end over the top of the 3-D head. If rod, sleeve and nut are already inserted, apply the Positioner with the wider end over the 3-D head. DePuy Synthes USS™ II Polyaxial Spine System Surgical Technique... - Page 11 Following alignment, use the Sleeve Pusher to insert sleeves. Once the sleeve has been inserted with the Sleeve Pusher, the nut can be inserted with the Socket Wrench 388.584 prior to final tightening (step 7). Surgical Technique USS™ II Polyaxial Spine System DePuy Synthes...
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Page 12: Insert Sleeves And Nuts
Although the rods are now secured in the side- opening of the screw, the 3-D heads still remain mobile. Note: For constructions with more than two screws on each side, start with the screw heads in the cen- ter. DePuy Synthes USS™ II Polyaxial Spine System Surgical Technique... -
Page 13: Tighten The Nuts
12 Nm to secure the polyaxial screw heads tightly. To achieve this, the Torque-limiting handle 12 Nm (03.602.042) may be used instead of the Socket Wrench. Remove the Screw Holders when all the screws are finally tightened. Surgical Technique USS™ II Polyaxial Spine System DePuy Synthes... -
Page 14: Remobilization And/Or Removal
Precaution: Always apply the Screw Holder as a guide. In the following situations, the USS II Polyaxial heads can be remobilized with the Remobilizing Instrument: 1. Head with rod introduced Loosen the nut with the Socket Wrench as far as possi- ble. - Page 15 Note: If the use of the Remobilizing instrument is hindered by bone touching the polyaxial screw head, use the Hollow Reamer, guided by the Screw Holder, to remove excessive bone first. Surgical Technique USS™ II Polyaxial Spine System DePuy Synthes...
- Page 16 Please refer to the corresponding Instructions for Use for specific information on Intended use, Indications, Contraindications, Warnings and Precautions, Potential Adverse Events, Undesirable Side Effects and Residual Risks. Instructions for Use are available at www.e-ifu. com and/or www.depuysynthes.com/ifu. DePuy Synthes USS™ II Polyaxial Spine System Surgical Technique...
- Page 17 1 Aebi M, Arlet V, Webb JK, (2007): AOSPINE Manual (2 vols), Stuttgart, New York: Thieme. 2 Aebi M, Thalgott JS, Webb JK (1998): AO ASIF Principles in Spine Surgery. Berlin: Springer. Surgical Technique USS™ II Polyaxial Spine System DePuy Synthes...
- Page 18 Synthes GmbH Not all products are currently available in all markets. Eimattstrasse 3 4436 Oberdorf Switzerland This publication is not intended for distribution in the USA. Tel: +41 61 965 61 11 Surgical techniques are available as PDF files at www.JnJMedicalDevices.com...
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