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TriMed Wrist Fixation System™Surgical Technique
Volar Buttress PinTM
}1cm
3
2
1
Volar Rim Exposure
• Using a standard volar approach, expose the volar rim up to 1-2mm beyond the distal radial ridge.
• Reflect the distal attachment of the pronator quadratus.
• Avoid detachment of the volar wrist capsule by excessive distal exposure.
Implant Positioning
• Usea10° lateral X-ray to identify the central axis of the volar rim.
• Attheapexofthevolarrim,directa1.1mm(0.045”)K-wire down through the center of the fragment.
• InsertasecondK-wireparalleltothefirst,separatedbyapproximally10mm.ConfirmwithX-ray.
Volar Buttress PinTM
2
Implant Preparation
• UsingaPinClamp,snaptheVolarButtressPin™ onto the Wireform Plate.
• CutlegsoftheVolarButtressPin™ to desired length, leaving one leg slightly longer.
• Ifneeded,altertheangleoflegsusingtheWireBender.
}
10mm
Alternative Fixation with Multiple Washers
4
5
• For lowest profile, a standard washer can be used instead of a Wireform Plate.
• Overlaywasherandseat screw until washer flexes to ensure fixation of Wire Form.
• Ablockingscrew/washermaybeplacedinalongitudinal orientation across the proximal loop for additional implant support.
Final Fixation
• AligntheVolarButtressPin™ to the proximal shaft.
• Usethe1.8mm(blue)drilland2.3mmcorticalscrewstofixtheimplantproximally.
• Confirmimplantisseatedandsecure.
Volar Buttress PinTM
3
Implant Insertion
• Attheapexofthebend,snapaPinClampontothelongestlegmakingsureitisaxiallyalignedwiththeleg.
• WithdrawtheK-wirecorrespondingtothelongestlegand immediately insert.
• SwitchPinClamptoshorterlegandrepeat.
• CompleteseatingofeachlegusingtheImpactor.
L
Wire BenderBNDWIR-1.1
ImpactorIMPCT
Washer and Wire Plate™
WASHR 1 HoleWFP3 3 HoleWFP5 5 Hole
Screws and PegsTRX2.3-xx10mm to 32mm
TPEG-xx14mm to 32mm
Pin ClampPINCLAMP
X-RAYS
Volar Buttress Pin™
VBP32 32mmVBP42 42mm
L = length
Post-OpPre-Op Post-OpPre-Op
TriMed,Inc./27533AvenueHopkins/Valencia,CA91355USA/800-633-7221/www.trimedortho.com
PatentCoverage:TriMed,Inc.productsarecoveredbypatentsissuedintheU.S.andinforeignjurisdictions.ThepresentlyissuedU.S.patentsare:5,709,682;5,931,839;5,941,878;6,077,266;6,113,603;7,037,308;7,195,633;7,540,874;8,177,822;8,821,508;8,906,070;9,089,376;9,283,010;9,220,546.The TriMed Volar Buttress Pin™ and Wire Plate™ has U.S. and international patents pending. TriMed Volar Buttress Pin™ and Wire Plate™isatrademarkofTriMed,Inc.
The technique presented is one suggested surgical technique. The decision to use a specific implant and the surgical technique must be based onsoundmedicaljudgmentbythesurgeonthattakesintoconsiderationfactorssuchasthecircumstancesandconfigurationoftheinjury.
©2016 TriM
ed, Inc. All rights reserved. TME 832-48 (10-16)
All implants made from surgical grade stainless steel