dorsal buttress pin - trimed inc. · 2019. 2. 7. · 3 • dorsal buttress pin can also be used to...
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TriMed Wrist Fixation SystemSurgical Technique
Dorsal Buttress Pin
2
Exposure (limited dorsal approach)
• Makeincisionover4thdorsalcompartmenttendons.
• Developintervalbetween3rdand4th,or4thand5thcompartments.
• TransposeEPLifneeded.
• Exposethedorsalcortexofthedistalradius.
Implant Preparation
• UsingaPinClamp,snaptheDorsalButtressPinintooneoftwopositionsontheWireformPlate.
• CutlegsoftheDorsalButtressPintodesiredlength,leavingonelegslightlylonger.
•Ifneeded,alterthewidthorangleoflegsusingtheWireBender.
Implant Positioning
• Inserttwoparallel1.1mm(0.045”)K-wiresatthelocationofdesireddistalfixation.
• ThedirectionandangleoftheK-wireswilldeterminethedirectionandangleoftheDorsalButtressPinlegs.
DorsalButtressPin
3
1
2
3
• DorsalButtressPincanalsobeusedtodirectlybuttressafreeintra-articular(“diepunch”)fragment.
Final Fixation
• AlignDorsalButtressPintotheproximalshaft.
• Usethe1.8mm(blue)drilland2.3mmcorticalscrewstofixtheimplantproximally.
• Confirmimplantisseatedandsecure.
• Forlowestprofile,astandardwashercanbeusedinsteadofaWireformPlate.
• OverlaywasherandseatscrewuntilwasherflexestoensurefixationofWireform.
5
Implant Insertion
• Attheapexofthebend,snapaPinClampontothelongestlegmakingsureitisaxiallyalignedwiththeleg.
• WithdrawtheK-wirecorrespondingtothelongestlegandimmediatelyinsert.
• SwitchPinClamptoshorterlegandrepeat.
• CompleteseatingofeachlegusingtheImpactor.
DorsalButtressPin
TIPS
4
L
Dorsal Buttress Pin
BP27 27mmBP32 32mm
L = length
Wire BenderBNDWIR-1.1
ImpactorIMPCT
Washer and Wire PlateWASHR 1 HoleWFP3 3 HoleWFP5 5 Hole
Pin ClampPINCLAMP
Post-OpPre-Op Post-OpPre-Op
Allimplantsmadefromsurgicalgradestainlesssteel
Screws and PegsTRX2.3-xx10mm to 32mm
TPEG-xx10mm & 12mm*14mm to 32mm
* Special Order
X-RAYS
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ed, Inc. All rights reserved. LC-72-2000-005 REV-B (12-18)
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ThepresentlyissuedU.S.patentsare:6,077,266;6,113,603;7,037,308;7,044,951;7,195,633;7,540,874;7,942,877;8,177,822;8,821,508;8,906,070;9,089,376;9,283,010;9,220,546;9,237,911;9,402,665;9,636,157;9,861,402.Seetrimedortho.comforalllistedpatents.
Thetechniquepresentedisonesuggestedsurgicaltechnique.Thedecisiontouseaspecificimplantandthesurgicaltechniquemustbebasedonsoundmedicaljudgmentbythesurgeonthattakesintoconsiderationfactorssuchasthecircumstancesandconfigurationoftheinjury.