Page 92 - Manual of Equine Field Surgery
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88                         LIMB  SURGERIES






                               The  palmar  carpal  branch  of  the  proximal                                                                      ligament  is  carefully  transected  a  small  amount



                        radial artery  courses through  the proximal  margin                                                                        at  a  time,  taking  care  to  avoid  vessels  coursing


                        of the  check  ligament,  and  other  small  but  deep                                                                     through  the  ligament  (Figure  14-8).  Visualizing


                        vessels  can  be  found  throughout  the  ligament.                                                                        the distal extent of the check ligament  may require


                        When  isolated  and visualized,  the proximal  check                                                                       transecting  a  small  amount  of  the  deep  sheet



                                                                                                                                                    of  the  flexor  retinaculum.  When  the  excision  is


                                                                                                                                                    complete,  the  muscle  belly  of the  radial  head  of


                                                                                                                                                   the  deep  digital  flexor  tendon  (DDFT)  is  visible


                                                                                                                                                    (Figure  14-9).  The  carpal  sheath  may  also  be


                                                                                                                                                   visible  in the distal portion of the incision (Figure


                                                                                                                                                    14-10).  If the  carpal  sheath  has been  incised,  the


                                                                                                                                                   area  should  be  lavaged  liberally.  The  area  is



                                                                                                                                                   checked  for bleeding before  closure.


                                                                                                                                                          The  incision  in  the  superficial  sheet  of  the


                                                                                                                                                   flexor  retinaculum  is closed  with  No.  2-0  or  No.


                                                                                                                                                   O  absorbable  suture  material  in a continuous  pat-


                                                                                                                                                   tern.  The subcutaneous  tissues are  closed with No.



                                                                                                                                                   2-0 absorbable  suture material.  The skin is closed


                        Figure  14-5                     Intraoperative  view  of  the  proximal                                                   with  an  interrupted  pattern  using  No.  2-0  suture


                        check ligament  (arrow).                                                                                                   material  (Figure  14-11).


















                                                                                                                           Antebrachial  fascia  (a)







                                                                                                                                                                Deep communicating  branch to the

                                                                                                                                                                proximal  radial  v.  (b)














                                                                                                 ---C Chestnut  --                                                       Cephalic  v.  (c)





















                                                                                                                                                       •







                                                       Superficial  sheet  of flexor  retinaculum























                                                                 Tendon  of

                                                                 flexor carpi  radialis  m.




















                       Figure  14-6  Ligation  and  transection  of the  communicating branch  that perforates  the antebrachial  fascia,  and


                       incision  of the  superficial sheet  of retinaculum  and tendon  sheath  of the  flexor carpi  radialis.
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