Synthes USS Low Profile Surgical Technique
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Synthes USS Low Profile Surgical Technique

Synthes USS Low Profile Surgical Technique

Spine system
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Thoracolumbar posterior fixation system with side-opening
screws and hooks
USS
Low Profile
™
Spine System
Surgical Technique

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Summary of Contents for Synthes USS Low Profile

  • Page 1 Thoracolumbar posterior fixation system with side-opening screws and hooks Low Profile ™ 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:...

  • Page 3: Table Of Contents

    Introduction of Rods Into Side Openings Distraction or Compression of Adjacent Implants Connecting a Rod to an Implant With a Rod Connector Indications and Contraindications Bibliography For product catalog contact your local DePuy Synthes representative. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...

  • Page 4: 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 DePuy Synthes USS™ Low Profile Spine System Surgical Technique...

  • Page 5: Handling Implants With The Stick

    If the Stick is required for subsequent manipulations, make sure that the Stick is firmly tightened to the implant. To do this, use the small hex- agonal screwdriver to tighten the stick-implant-thread connection. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...

  • Page 6: Insert Pedicle Screws

    Ø 7.0 mm screws 357.789 Length indicator for Pedicle Screws 388.545 Feeler for screw channel, straight, Ø 2.3 mm, length 275 mm 388.546 Feeler for screw channel, curved, Ø 2.3 mm, length 275 mm DePuy Synthes USS™ Low Profile Spine System Surgical Technique...
  • Page 7 2. Probe pedicle channel Palpate the inner walls of the pedicle screw channel using the straight or curved Feeler in order to check the wall for perforations. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...
  • Page 8 (1). In order to disconnect the handle from the Stick, press the release button (2). Note: If a rod connector is used, the opening of the screw must be oriented perpendicular to the rod tra- jectory. DePuy Synthes USS™ Low Profile Spine System Surgical Technique...

  • Page 9: Pedicle Hook Positioning

    Holding Sleeve for Fillister Head Screws 388.581 USS Drill Sleeve 2.0 The USS Low Profile Pedicle Hooks can be anchored in the pedicle with a single Ø 3.2 mm USS Screw for Pedicle Hook. 1. Prepare seat for pedicle hook Prepare the pedicle using the USS Pedicle Feeler.
  • Page 10 Do not start the power drill if the bit does not hit bone after passing through the drill sleeve. 4. Determine screw length Remove the drill sleeve and determine the depth with the Depth Gauge. DePuy Synthes USS™ Low Profile Spine System Surgical Technique...
  • Page 11 Select a suitable length USS Screw for Pedicle Hook and insert it into the previously prepared drill hole using the hexagonal screwdriver and the holding sleeve. The pedicle hook is now attached to the pedicle. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...

  • Page 12: Lamina Hook Positioning

    Remove the hook positioner. The Stick remains attached to the hook until the hook is connected to the rod. DePuy Synthes USS™ Low Profile Spine System Surgical Technique...

  • Page 13: Angled Lamina Hook Positioning At The Transverse Process

    Remove the hook positioner. The Stick remains attached to the hook until the hook is con- nected to the rod. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...

  • Page 14: Rod Contouring

    Contour the rod using either the bending pliers with rolls (1) or the USS Bending Irons. Warning: Once bent, titanium rods should not be bent back again. Do not bend titanium rods more than 45°. DePuy Synthes USS™ Low Profile Spine System Surgical Technique...

  • Page 15: Tightening Of Construct

    Sleeve and Nut from the Stick by pushing on the release button (2). Precaution: Be sure to use USS Low Profile Sleeves and Nuts only. Do not use Sleeves and Nuts from other USS systems. 2. Loosely tighten the Nut Use the straight socket wrench to loosely tighten the Nut.
  • Page 16 Torque Instrument with L-handle. • Use the Socket Wrench 11 mm with L-handle to firmly tighten the Nut while providing counter torque with the USS Socket Wrench 6 mm applied on the Stick. DePuy Synthes USS™ Low Profile Spine System Surgical Technique...

  • Page 17: Introduction Of Rods Into Side Openings

    Option: Alternative method without Persuader If the rod is aligned horizontally to the side opening, the rod crimping pliers can be used to push the rod into the implant opening. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...
  • Page 18 Engage the rod with the opposite jaw of the Persuader and lightly squeeze the handle to push the rod towards the implant. DePuy Synthes USS™ Low Profile Spine System Surgical Technique...
  • Page 19 (2). When the opening is opposite to the rod, close the Persuader to fully engage the rod (3). Warning: Carefully apply force to the anchorage to prevent pull-out from the bone. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...
  • Page 20 Stick using the USS Socket Wrench 6 mm b. or gently tap the sleeve pusher to position the Sleeve on the implant using the USS Low Profile Hook Positioner by placing it in the round dent on the han- dle of the sleeve pusher.

  • Page 21: Distraction Or Compression Of Adjacent Implants

    The implant must be loose (i.e. not rigidly fixed to the rod) during this procedure. Remove the fixation ring after tightening the Nut of the implant. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...

  • Page 22: Connecting A Rod To An Implant With A Rod Connector

    To accommodate the Rod Connector, the side opening of the pedicle screws is to be oriented perpendicular to the rod whereas the front-opening models are to be selected for the hooks. DePuy Synthes USS™ Low Profile Spine System Surgical Technique...
  • Page 23 (1). Tighten the set screw of the Rod Connector using the small hexagonal screwdriver (2). 2. Connect Rod Connector to implant Add a Sleeve and Nut over the implant and secure the assembly as described on page 13/14. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...
  • Page 24 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™ Low Profile Spine System Surgical Technique...
  • Page 25 3 Modular Stabilization System: The Universal Spine System, in Aebi M, Thalgott JS, Webb JK (1998) AO ASIF Principles in Spine Surgery. Springer Berlin, Heidelberg. This chapter provides additional back- ground and details on the USS system. Surgical Technique USS™ Low Profile Spine System DePuy Synthes...
  • Page 26 Synthes GmbH Not all products are currently available in all markets. Eimattstrasse 3 4436 Oberdorf This publication is not intended for distribution in the USA. Switzerland Tel: +41 61 965 61 11 Surgical techniques are available as PDF files at www.jnjmedicaldevices.com...

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