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                                                                                                                                                                                                                                                                                                                                                                                   Autologous Resurfacing und Bone Dowelling 15 ‐ 74 AutologoesusRReseusurfrafcaicningguunnddKnBocnheeDnovewredlülibneglung 15‐-746 Procedure – Basics – Milestones of the Innovative Technology
PVreorfcaehdruerne – GBarusnicdsp–riMnziilpeisetnon–eMs oefiltehnestIeninoevdaetirvIenTneocvhantoiolongy
  The technology for the operation represents a pro‐
TBheei dtecmhnOolpoegryatfiorntshverofaphereantiohnanredperletsesntsicahpurom‐ cedure of high precision; the outcome of which is
ceeindure Porfähzisgihonpsrvecrifsaiohnre;nt,he oudtecsosmene of wErhgiecbhnis mainly the responsibility of the surgeon skilled in
mweaitnglyehtehnedriensdpeornHsiabnilidtydeosfCthierusrugregneoliengts.killed in the art. The principle for graft fixation is a press‐fit
tDhaes aFritx.aTtihoenspprrininczipipleisfot reginrapftrefisxsa-tfiot nSitsza(0p1re) svso‐fmit anchorage of a wet‐ground transplant in a wet‐
agnecschholriaffgeeneonf Taranwseptl‐agnrtoautnidm tgreanscshpliaffnetnein aDewfeektt‐. ground graft bed (Fig. 03). The outer diameter of
gDreorunAdusgsreanfdtubrecdhm(Feisgs.e0r3d).eTrhDeeofeukttefrädseiamisett1er/1o0f, the diamond tool for removal of the diseased tissue
trheespdeikatmivoen5d/t1o0o0l,forer srpeemkotivael o2f/1th0ekdleisienaesredwiteissduer is 1/10, 15/100 or 2/10 respectively, a millimeter
iIsnn1e/n1d0,ur1c5h/m10e0ssoer 2/10derrespecktiovrerleys,poanmdiiellriemnedtenr smaller than the inner diameter of the twin‐
sZmwailllienrgsftrhäasne t(h0e2),innjerndaicahmeDteurchomfetshser.twDina‐s diamond instrument for gathering the graft (Fig.
dgeiasmamonted inTst-rInusmtreunmtefnotrargiautmherinigsttheaugfreaifntan(Fdieg.r 04). The size required depends upon the increasing
0a4b)g.eTshtiemsmizte. reDqieuireWdadnedpsetänrdkseupisotn tmheit in2c5re0asμinmg diameter. The entire instrumentation is tuned to
dhiaumchedteürn.nTheuenndtireeminpsftirnudmliechn,tatioernzeiusgtunekdautmo press‐fit technology. All T‐instruments with a wall
pVreerssc‐hfnitittecuhndoloegrmy.öAgllicTh‐tinsotrudmieenRteskwonitshtruakwtioalnl thickness of 250 μm are, on the one hand, delicate
tvhoincknKeusfseonf 2d5u0rcμhm Ianrei,noandtherescohnleihfeand,(0d3e,lic3atDe- in their handling, but avoid poor cutting and allow
iRnekthoenisrtrhuakntidolninge,inbeust avμo-iCdTpoeoinrecrutrteinkognasntrduiaelrlotewn for the reconstruction of a whole load‐bearing con‐
for the reconstruction of a whole load‐bearing con‐
Femurkondyle). Dies ist zur Zeit mit keinem anderen dyle by joining grafts to each other on the other
dyle by joining grafts to each other on the other
Verfahren möglich.
hand (Fig. 05, μ‐CT 3D‐reconstruction of a triple hand (Fig. 05, μ‐CT 3D‐reconstruction of a triple
Knorpelschnitt Der Knorpel wird
graft in a pigs' femoral condyle). That is not possible
graft in a pigs' femoral condyle). That is not possible
Weichgewebe geschnitten. Hierfür dient das
using punching technology. using punching technology.
scharfe Ende des Extraktors (04). Sein Innenprofil Cutting the cartilage The hyaline cartilage, as a
Cutting the cartilage The hyaline cartilage, as a weist 3-5 Finnen auf, welche es ermöglichen, das
soft tissue, is cut sharply. The sharp open end of the soft tissue, is cut sharply. The sharp open end of the
Transplantat präzise am Boden abzudrehen. Das
extractor provides a precise cut (Fig. 06) which extractor provides a precise cut (Fig. 06) which
Ergebnis ist ein zirkuläres Pressfit. Das Ziel ist die frees the mineralized subchondral bone. Its inner
frees the mineralized subchondral bone. Its inner
primäre Heilung der Gelenkfläche (05, 4 Wochen, profile comprises 3 or 5 claws, respectively, spe‐
profile comprises 3 or 5 claws, respectively, spe‐
Knie, Schäferhund) mit Knochen und hyalinem cifically designed to precisely twist off the graft
cifically designed to precisely twist off the graft
Knorpel.
cylinder at the bottom. The operating result after cylinder at the bottom. The operating result after
Das I-Instrumentarium zeichnet sich durch eine insertion is a circular press‐fit. The goal is primary
insertion is a circular press‐fit. The goal is primary
dickere Wandstärke aus und ist für den kompakten
contact healing of the articular surface with its contact healing of the articular surface with its
Knochen („Compacta"). Seine Fräsen sind alle in
hyaline cartilage and the subchondral bone (Fig. 07 hyaline cartilage and the subchondral bone (Fig. 07
derselben Weise für ein Pressfit aufeinander
contact healing of an osteo‐cartilage graft in the contact healing of an osteo‐cartilage graft in the
abgestimmt. Das Ergebnis ist eine isoelastische
knee of a shepherd dog 4 weeks after transplan‐ knee of a shepherd dog 4 weeks after transplan‐
Osteosynthese nach dem Vorbild der Zimmerleute
tation). tation).
(06).
The metal thickness of the I‐instruments is suited The metal thickness of the I‐instruments is suited
to cutting compact bone, allowing the bone dowel‐
to cutting compact bone, allowing the bone dowel‐ ling technique for fracture and non‐union treat‐
ling technique for fracture and non‐union treat‐ ment, a technique known in carpentry (Fig. 08).
als
03
 03 3
04
 04 4
05
 05 5
06
 06 6
07
 07 7
 08
 08 8
ment, a technique known in carpentry (Fig. 08). REV0116112017EN 15



























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