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Stabilization of Acromioclavicular Joint Dislocation
using the AC GraftRope™ System

Arthroscopic & Open Surgical Techniques




                                                       AC GraftRope System
Stabilization of Acromioclavicular Joint Dislocation using the AC GraftRope System

The AC GraftRope, another logical evolution of           Graft Preparation
the TightRope®, combines strength, simplicity, and        An autograft or allograft semitendinosis, gracilis or
a biologic component to address both chronic and          tibialis is cleaned and prepped. The graft length should
acute acromioclavicular joint indications. With this      be approximately 12-15 cm, and the folded graft should
system, an allograft or autograft is easily secured to    pass through a 4.5-5.5 mm sizing block. If the graft is too
the coracoid button and the unique cortical washer        wide, simply place the graft longitudinally on a graft board
allows for Tenodesis Screw fixation of the graft to       and use an #11 blade knife in-line with the tendon fibers
the clavicle. The metal clavicle washer and coracoid      to contour its width. The graft should be whipstitched
button are joined by a continuous loop of #5              on each of the free ends, and this can be simplified with
FiberWire, providing fixation during the healing          a FiberLoop® or TigerLoop™. In order for there to be
phase. This technique can be completed                    whipstitching inside the clavicle tunnel, it is important
arthroscopically or open.                                 to begin stitching approximately 30 mm from the graft
                                                          center point. When doubled over, the graft with whip-
Intended Use                                              stitching should easily pass through a 6 mm sizing block.
The AC GraftRope is intended for chronic and              Procedure-specific allografts prepared and sized to fit
acute Grade IV-VI AC separations, as well as              within the AC GraftRope product are available through
Type III separations per surgeon’s discretion.            Allograft Tissue Systems Inc. (ATSI).

Arthroscopic Surgical Technique
Place the patient in the lateral or beach chair position under a general anesthesia, supplemented with a scalene
block. Introduce the arthroscope into the glenohumeral joint via a standard posterior portal. Create an anterior
portal with an outside/in technique using a spinal needle to verify position. Insert an 8.25 mm cannula through
the anterior portal. Introduce a full radius shaver blade through the anterior cannula and work through the
rotator interval. Debride until the base of the coracoid can be visualized. Fully expose the inferior border of the
coracoid using a the shaver and OPES® RF probe. A 70° arthroscope may facilitate visualization and exposure of
the coracoid base.




1                                                              2


Remove the coracoid button and white FiberWire®                 Drill a 2.4 mm unicortical hole in the clavicle
suture labeled “Graft” from the package. Place the              at desired location, which is typically 35 mm
midpoint of 12-15 cm allograft or autograft over                from the distal clavicle. The drill hole should be
the button’s “basket handle.” Tie the graft suture              placed in the center of the clavicle in the anterior
over the graft, making sure to tie sufficient half-             to posterior plane. Leave pin in place. Ream
hitches. Cut suture leaving a 2 mm tail. Pull the               unicortical 6 mm hole over the pin. Remove
whipstitched sutures and graft limbs through the                both pin and reamer. This will serve as pilot hole
clavicle washer. Keep graft/construct moist until               for AC guide placement.
implanted. Note: Make certain that the entire
construct passes easily through a 6 mm sizing block.
3                                                       4


Position the AC TightRope® drill guide in the           Drill a 2.4 mm pin through the inferior cortex of
previously drilled clavicle pilot hole. Place the       the clavicle and through the coracoid. Leave the
coracoid target on the inferior border of the base      pin in position.
of the coracoid. The ideal location on the inferior
coracoid is close to the base where it projects off
of the glenoid. Make certain there will be sufficient
bone bridges both anteriorly and posteriorly to
the 6 mm reamed tunnel.




5                                                       6


Remove the drill sleeve and reposition the drill        Pass the SD lasso wire through the reamer, making
guide under the pin to keep it from advancing           sure to keep the loop end up. Use a grasper to
while reaming. Alternatively, the guide can be          pull the lasso out of the anterior portal. Remove
removed and a curette or open window of a shaver        the cannulated reamer and load end of “Traction”
blade can be used to accomplish this. Use a 6 mm        (TigerWire) suture of the GraftRope construct
cannulated reamer over the pin and slowly ream          into the SD lasso loop. Use the SD lasso loop to
through the clavicle and coracoid. Leave the            draw “Traction” suture through the clavicle and
reamer, but remove the inner guide pin.                 coracoid, and out the anterior portal.
Arthroscopic & Open Surgical Technique




7                                                       8


Pull “Traction” suture to deliver the coracoid           Reduce the clavicle. While an assistant holds the
button through the clavicle. Use a forked probe,         clavicle reduced, tighten the #5 blue FiberWire.
suture retriever, or knot pusher to leverage the         Use your index finger to “walk” the clavicle
suture beneath the coracoid, while pulling on the        washer to the clavicle. Tie the washer down
suture from outside the anterior portal. This will       making sure to throw multiple half-hitches.
facilitate delivery of the coracoid button and graft     Cut suture leaving adequate suture tails.
through the coracoid. Once the button is through
the coracoid, use a probe to maneuver the button
into the desired position at the coracoid base.




9                                                      10


Separate limbs of the graft and pull tight on both       For final construct, cut the graft limbs at screw
limbs. Place a 1.1 mm Nitinol wire through both          level, or consider running the limbs to the AC
cortices of the clavicle tunnel to act as a guide.       joint and securing them to the capsule with
Place a 5.5 mm Tenodesis Screw and Tenodesis             FiberWire, or anterior and posterior acromion
driver over the guide wire and insert screw until        with 3 mm SutureTaks.
flush.
Open Surgical Technique
Incision and Exposure
Make a 4 cm saber incision beginning approximately 3.5 cm proximal to the AC joint and cut
inferiorly toward the coracoid. Split the deltotrapezial fascia longitudinally over the distal clavicle.
Split the deltoid fibers inferiorly toward the coracoid. Expose the superior surface of the coracoid.


Clavicle/Coracoid Tunnel Preparation
A 2.4 mm guide pin is drilled through both cortices of the clavicle, approximately 35 mm
proximal to the AC joint. The guide pin is overreamed with a 6 mm reamer to create a bicortical
clavicular hole. The guide pin and reamer are removed from the clavicle. Further expose the
superior surface of the coracoid. Define the medial and lateral border at the base of the projection
of the coracoid. Under direct visualization, drill a 2.4 mm guide pin through the midpoint of the
base of the coracoid. Make certain that there will be sufficient bone bridges both medially and
laterally to the coracoid tunnel. Overream with a 6 mm reamer to create a bicortical coracoid
hole. To protect from advancing the guide pin distally, place a retractor of choice under the
coracoid. The guide pin and reamer are removed from the coracoid.


Positioning of the Passing Wire
The SutureLasso™ SD wire is fed through the Coracoid Graft Passing Instrument (right or left)
which in turn is used to pass the wire through the coracoid tunnel. The wire is retrieved lateral
to the conjoined tendon and inferior to the coracoacromial ligament. The Coracoid Graft Passing
Instrument is removed and the portion of the wire above the coracoid is passed retrograde
through the clavicle tunnel.


GraftRope Positioning/Implantation
Load end of “Traction” (TigerWire) suture of the GraftRope construct into the SD lasso loop.
Use the SD lasso loop to draw “Traction” suture through the clavicle and coracoid and inferior
to the coracoacromial ligament. Pull “Traction” suture to deliver the coracoid button through
the clavicle. It may be necessary to use a suture retriever or knot pusher to leverage the “Traction”
suture beneath the coracoid, while pulling on the suture. This may facilitate delivery of the
coracoid button and graft through the coracoid. Once the button is through the coracoid, use a
finger to maneuver the button into the desired position at the coracoid base. Reduce the clavicle.
While an assistant holds the clavicle reduced, tighten the #5 blue FiberWire. Use index finger to
“walk” the clavicle washer to the clavicle. Tie the washer down making sure to throw multiple
half-hitches and leaving adequate suture tails. Separate limbs of the graft and pull tight on both
limbs. Place a 1.1 mm Nitinol wire through both cortices of the clavicle tunnel to act as a guide.
Place a 5.5 mm Tenodesis Screw and Tenodesis driver over the guide wire and insert the screw
until flush. For final construct, cut the graft limbs at screw level, or consider running the limbs to
the AC joint and securing them to the capsule with FiberWire, or anterior and posterior acromion
with 3 mm SutureTaks®. Note: If the surgeon desires, the graft can be passed beneath/around the
coracoid instead of tied to the coracoid button. In this case, it is possible to drill a 4 mm tunnel to pass
the button alone and the graft limbs can be passed through the clavicle tunnel and clavicle washer.
AC GraftRope Instrumentation/Implants
        Required Implants:

        • AC GraftRope Kit (includes AC GraftRope Implant
          and SutureLasso SD Wire Loop)                                                            AR-2258
        • GraftRope Allograft Tendon (Catalog #239404) – available from ATSI*
        • Tenodesis Screw (one of below required)
             PEEK Tenodesis Screw, 5.5 mm x 8 mm                                                   AR-1655PS
             PEEK Tenodesis Screw, 5.5 mm x 10 mm                                                  AR-1655PS-10
             PEEK Tenodesis Screw, 5.5 mm x 12 mm                                                  AR-1655PS-12
             PEEK Tenodesis Screw, 5.5 mm x 15 mm                                                  AR-1555PS
             Bio-Tenodesis Screw, 5.5 mm x 15 mm                                                   AR-1555B

        Required Instruments:

        • Acromioclavicular Joint Reconstruction System (AR-2255CGS) includes:
             Constant Guide for AC TightRope                                                       AR-2255CG
             Long Drill, 4 mm Cannulated                                                           AR-1204LX
             AC Joint Coracoid Graft Passing Instrument, left                                      AR-2256L
             AC Joint Coracoid Graft Passing Instrument, right                                     AR-2256R
             AC Joint Tenodesis Screw Driver                                                       AR-2255D
             Cannulated Headed Reamer, 5 mm                                                        AR-1405
             Cannulated Headed Reamer, 5.5 mm                                                      AR-1405.5
             Cannulated Headed Reamer, 6 mm                                                        AR-1406
             Cannulated Headed Reamer, 6.5 mm                                                      AR-1406.5
             AC Joint Reconstruction System Instrumentation Case                                   AR-2255CGC

        Required Disposables:

        • Drill Tip Guide Pin, 2.4 mm                                                              AR-1250L
        • Guide Pin, Nitinol, 1.1 mm                                                               AR-1249
        • Cannulated Headed Reamer, 6 mm                                                           AR-1406
          (required when using AC Joint Instrument Set AR-2255S)

        *The GraftRope tendon is a specifically prepared and sized allograft made to fit within the AC GraftRope
        product. All GraftRope tendons are processed with a validated and patented sterilization technique and
        processed by FDA registered and AATB accredited tissue banks.




This description of technique is provided as an educational tool and clinical aid to assist properly licensed medical professionals
          in the usage of specific Arthrex products. As part of this professional usage, the medical professional must use
               their professional judgment in making any final determinations in product usage and technique.
           In doing so, the medical professional should rely on their own training and experience and should conduct
                     a thorough review of pertinent medical literature and the product’s Directions For Use.




                                                   www.arthrex.com
                                                    ...up-to-date technology
                                                         just a click away

                                      © 2008, Arthrex Inc. All rights reserved. LT0540A
                               U.S. PATENT NOS. 6,544,281; 6,716,234 and PATENT PENDING

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Lt0540 a ac graftrope

  • 1. Stabilization of Acromioclavicular Joint Dislocation using the AC GraftRope™ System Arthroscopic & Open Surgical Techniques AC GraftRope System
  • 2. Stabilization of Acromioclavicular Joint Dislocation using the AC GraftRope System The AC GraftRope, another logical evolution of Graft Preparation the TightRope®, combines strength, simplicity, and An autograft or allograft semitendinosis, gracilis or a biologic component to address both chronic and tibialis is cleaned and prepped. The graft length should acute acromioclavicular joint indications. With this be approximately 12-15 cm, and the folded graft should system, an allograft or autograft is easily secured to pass through a 4.5-5.5 mm sizing block. If the graft is too the coracoid button and the unique cortical washer wide, simply place the graft longitudinally on a graft board allows for Tenodesis Screw fixation of the graft to and use an #11 blade knife in-line with the tendon fibers the clavicle. The metal clavicle washer and coracoid to contour its width. The graft should be whipstitched button are joined by a continuous loop of #5 on each of the free ends, and this can be simplified with FiberWire, providing fixation during the healing a FiberLoop® or TigerLoop™. In order for there to be phase. This technique can be completed whipstitching inside the clavicle tunnel, it is important arthroscopically or open. to begin stitching approximately 30 mm from the graft center point. When doubled over, the graft with whip- Intended Use stitching should easily pass through a 6 mm sizing block. The AC GraftRope is intended for chronic and Procedure-specific allografts prepared and sized to fit acute Grade IV-VI AC separations, as well as within the AC GraftRope product are available through Type III separations per surgeon’s discretion. Allograft Tissue Systems Inc. (ATSI). Arthroscopic Surgical Technique Place the patient in the lateral or beach chair position under a general anesthesia, supplemented with a scalene block. Introduce the arthroscope into the glenohumeral joint via a standard posterior portal. Create an anterior portal with an outside/in technique using a spinal needle to verify position. Insert an 8.25 mm cannula through the anterior portal. Introduce a full radius shaver blade through the anterior cannula and work through the rotator interval. Debride until the base of the coracoid can be visualized. Fully expose the inferior border of the coracoid using a the shaver and OPES® RF probe. A 70° arthroscope may facilitate visualization and exposure of the coracoid base. 1 2 Remove the coracoid button and white FiberWire® Drill a 2.4 mm unicortical hole in the clavicle suture labeled “Graft” from the package. Place the at desired location, which is typically 35 mm midpoint of 12-15 cm allograft or autograft over from the distal clavicle. The drill hole should be the button’s “basket handle.” Tie the graft suture placed in the center of the clavicle in the anterior over the graft, making sure to tie sufficient half- to posterior plane. Leave pin in place. Ream hitches. Cut suture leaving a 2 mm tail. Pull the unicortical 6 mm hole over the pin. Remove whipstitched sutures and graft limbs through the both pin and reamer. This will serve as pilot hole clavicle washer. Keep graft/construct moist until for AC guide placement. implanted. Note: Make certain that the entire construct passes easily through a 6 mm sizing block.
  • 3. 3 4 Position the AC TightRope® drill guide in the Drill a 2.4 mm pin through the inferior cortex of previously drilled clavicle pilot hole. Place the the clavicle and through the coracoid. Leave the coracoid target on the inferior border of the base pin in position. of the coracoid. The ideal location on the inferior coracoid is close to the base where it projects off of the glenoid. Make certain there will be sufficient bone bridges both anteriorly and posteriorly to the 6 mm reamed tunnel. 5 6 Remove the drill sleeve and reposition the drill Pass the SD lasso wire through the reamer, making guide under the pin to keep it from advancing sure to keep the loop end up. Use a grasper to while reaming. Alternatively, the guide can be pull the lasso out of the anterior portal. Remove removed and a curette or open window of a shaver the cannulated reamer and load end of “Traction” blade can be used to accomplish this. Use a 6 mm (TigerWire) suture of the GraftRope construct cannulated reamer over the pin and slowly ream into the SD lasso loop. Use the SD lasso loop to through the clavicle and coracoid. Leave the draw “Traction” suture through the clavicle and reamer, but remove the inner guide pin. coracoid, and out the anterior portal.
  • 4. Arthroscopic & Open Surgical Technique 7 8 Pull “Traction” suture to deliver the coracoid Reduce the clavicle. While an assistant holds the button through the clavicle. Use a forked probe, clavicle reduced, tighten the #5 blue FiberWire. suture retriever, or knot pusher to leverage the Use your index finger to “walk” the clavicle suture beneath the coracoid, while pulling on the washer to the clavicle. Tie the washer down suture from outside the anterior portal. This will making sure to throw multiple half-hitches. facilitate delivery of the coracoid button and graft Cut suture leaving adequate suture tails. through the coracoid. Once the button is through the coracoid, use a probe to maneuver the button into the desired position at the coracoid base. 9 10 Separate limbs of the graft and pull tight on both For final construct, cut the graft limbs at screw limbs. Place a 1.1 mm Nitinol wire through both level, or consider running the limbs to the AC cortices of the clavicle tunnel to act as a guide. joint and securing them to the capsule with Place a 5.5 mm Tenodesis Screw and Tenodesis FiberWire, or anterior and posterior acromion driver over the guide wire and insert screw until with 3 mm SutureTaks. flush.
  • 5. Open Surgical Technique Incision and Exposure Make a 4 cm saber incision beginning approximately 3.5 cm proximal to the AC joint and cut inferiorly toward the coracoid. Split the deltotrapezial fascia longitudinally over the distal clavicle. Split the deltoid fibers inferiorly toward the coracoid. Expose the superior surface of the coracoid. Clavicle/Coracoid Tunnel Preparation A 2.4 mm guide pin is drilled through both cortices of the clavicle, approximately 35 mm proximal to the AC joint. The guide pin is overreamed with a 6 mm reamer to create a bicortical clavicular hole. The guide pin and reamer are removed from the clavicle. Further expose the superior surface of the coracoid. Define the medial and lateral border at the base of the projection of the coracoid. Under direct visualization, drill a 2.4 mm guide pin through the midpoint of the base of the coracoid. Make certain that there will be sufficient bone bridges both medially and laterally to the coracoid tunnel. Overream with a 6 mm reamer to create a bicortical coracoid hole. To protect from advancing the guide pin distally, place a retractor of choice under the coracoid. The guide pin and reamer are removed from the coracoid. Positioning of the Passing Wire The SutureLasso™ SD wire is fed through the Coracoid Graft Passing Instrument (right or left) which in turn is used to pass the wire through the coracoid tunnel. The wire is retrieved lateral to the conjoined tendon and inferior to the coracoacromial ligament. The Coracoid Graft Passing Instrument is removed and the portion of the wire above the coracoid is passed retrograde through the clavicle tunnel. GraftRope Positioning/Implantation Load end of “Traction” (TigerWire) suture of the GraftRope construct into the SD lasso loop. Use the SD lasso loop to draw “Traction” suture through the clavicle and coracoid and inferior to the coracoacromial ligament. Pull “Traction” suture to deliver the coracoid button through the clavicle. It may be necessary to use a suture retriever or knot pusher to leverage the “Traction” suture beneath the coracoid, while pulling on the suture. This may facilitate delivery of the coracoid button and graft through the coracoid. Once the button is through the coracoid, use a finger to maneuver the button into the desired position at the coracoid base. Reduce the clavicle. While an assistant holds the clavicle reduced, tighten the #5 blue FiberWire. Use index finger to “walk” the clavicle washer to the clavicle. Tie the washer down making sure to throw multiple half-hitches and leaving adequate suture tails. Separate limbs of the graft and pull tight on both limbs. Place a 1.1 mm Nitinol wire through both cortices of the clavicle tunnel to act as a guide. Place a 5.5 mm Tenodesis Screw and Tenodesis driver over the guide wire and insert the screw until flush. For final construct, cut the graft limbs at screw level, or consider running the limbs to the AC joint and securing them to the capsule with FiberWire, or anterior and posterior acromion with 3 mm SutureTaks®. Note: If the surgeon desires, the graft can be passed beneath/around the coracoid instead of tied to the coracoid button. In this case, it is possible to drill a 4 mm tunnel to pass the button alone and the graft limbs can be passed through the clavicle tunnel and clavicle washer.
  • 6. AC GraftRope Instrumentation/Implants Required Implants: • AC GraftRope Kit (includes AC GraftRope Implant and SutureLasso SD Wire Loop) AR-2258 • GraftRope Allograft Tendon (Catalog #239404) – available from ATSI* • Tenodesis Screw (one of below required) PEEK Tenodesis Screw, 5.5 mm x 8 mm AR-1655PS PEEK Tenodesis Screw, 5.5 mm x 10 mm AR-1655PS-10 PEEK Tenodesis Screw, 5.5 mm x 12 mm AR-1655PS-12 PEEK Tenodesis Screw, 5.5 mm x 15 mm AR-1555PS Bio-Tenodesis Screw, 5.5 mm x 15 mm AR-1555B Required Instruments: • Acromioclavicular Joint Reconstruction System (AR-2255CGS) includes: Constant Guide for AC TightRope AR-2255CG Long Drill, 4 mm Cannulated AR-1204LX AC Joint Coracoid Graft Passing Instrument, left AR-2256L AC Joint Coracoid Graft Passing Instrument, right AR-2256R AC Joint Tenodesis Screw Driver AR-2255D Cannulated Headed Reamer, 5 mm AR-1405 Cannulated Headed Reamer, 5.5 mm AR-1405.5 Cannulated Headed Reamer, 6 mm AR-1406 Cannulated Headed Reamer, 6.5 mm AR-1406.5 AC Joint Reconstruction System Instrumentation Case AR-2255CGC Required Disposables: • Drill Tip Guide Pin, 2.4 mm AR-1250L • Guide Pin, Nitinol, 1.1 mm AR-1249 • Cannulated Headed Reamer, 6 mm AR-1406 (required when using AC Joint Instrument Set AR-2255S) *The GraftRope tendon is a specifically prepared and sized allograft made to fit within the AC GraftRope product. All GraftRope tendons are processed with a validated and patented sterilization technique and processed by FDA registered and AATB accredited tissue banks. This description of technique is provided as an educational tool and clinical aid to assist properly licensed medical professionals in the usage of specific Arthrex products. As part of this professional usage, the medical professional must use their professional judgment in making any final determinations in product usage and technique. In doing so, the medical professional should rely on their own training and experience and should conduct a thorough review of pertinent medical literature and the product’s Directions For Use. www.arthrex.com ...up-to-date technology just a click away © 2008, Arthrex Inc. All rights reserved. LT0540A U.S. PATENT NOS. 6,544,281; 6,716,234 and PATENT PENDING