Page 87 - Manual of Equine Field Surgery
P. 87

Distal  Check Ligament  Desmotomy                                                     83














                                                                                                                                                                      DDF


                                                                                                                                                                      tendon

                                                                                                                                                                      Distal

                                                                                                                                                                      check  lig.
















                                                                               ,  \ DDF tendon

                                                                             ,          Distal

                                                                               \' ·  ·\ check  Jig.

                                                                                '!                                                                Figure  13-9  Transection  of  the  distal  check  liga-

                                                                            ~t;.;f,(.t.,/l,--                                                     ment.


                       Figure  13-6                     Identification  of  the  intersection  be-


                       tween  the  distal  check  ligament  and  DDFT.




















































                                                                                                          ..
                                       !!!l:~~~allllili~.:.:::m==:::::=-~_:! ~:.__. ;lo.

                       Figure  13-7                    Intraoperative  view  of the  exteriorized                                                  Figure  13-10  Gap  formation  between  the  ends  of


                       check ligament.                                                                                                             the  check  ligament  after  transection.






































                                                                                                                                                         After  confirming  that  the  check  ligament  has



                                                                                                                                                   been exteriorized,  the check ligament  is transected


                                                                                         '4£.~t; . .t;w,,._.                                       with  a scalpel blade  (Figure 13-9). Complete  tran-


                        Figure  13-8  Exteriorization  of  the  check  ligament                                                                    section  is assessed by  careful  examination  of the


                        with  curved  forceps.                                                                                                     transected  ends  and  the  gap between  the  ends  of


                                                                                                                                                   the ligament  when  the  foot  is  extended. A gap  of


                                                                                                                                                   at least  1 cm  should  be  present,  and the  ends  of



                        Metzenbaum  scissors is used to separate the struc-                                                                        the  check  ligament  should  be  visualized  (Figure


                        tures  and  exteriorize  the  check  ligament  (Figure                                                                     13-10).  If  intact  fibers  of  the  check  ligament


                         13- 7).  To  enable  exteriorization  of  the  entire                                                                     remain,  these  should  be  transected.



                        check ligament,  it  is helpful  to  dissect bluntly  to                                                                          The palmar  fascia and subcutaneous  tissues are


                        the far side of the  tendon bundle  with  the  curved                                                                      closed with  a simple continuous  pattern  using No.


                        tips facing palmar  and  then rotate  the tip  dorsally                                                                    2-0  absorbable  suture  material.  The  skin is closed


                        when  exteriorizing  the  check  ligament  (Figure                                                                         with  a continuous  or  simple  interrupted pattern


                         13-8).                                                                                                                    using  No.  2-0 or No.  3-0  suture  material.



















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