Page 156 - Manual of Equine Field Surgery
P. 156

152                       HEAD  AND  NECK  SURGERIES















                                                                                                   J  I







































                                                                                                                                                                           B



















                                                       A



























                                                                                                                                      c·





                           Figure 25-11  A, Once the incision  has been  made  through  the  cricothyroid  membrane,  self-retaining retractors

                           are placed to aid visualization  of tl1e caudal aspect of the larynx.  B, The soft palate is elevated from below the epiglot-


                           tis and becomes visible within the larynx  (arrow).  C, The free edge of the soft palate is then grasped on midline with



                           Allis tissue forceps.


























                                                                                                                                                                                                    Figure  25-12  A,  The  free


                                                                                                                                                                                                    edge of the soft palate is retracted


                                                                                                                                                                                                    caudally.  B,  Long-handled  or

                                                                                                                                                                                                     right  angle  scissors  are  used  to


                                                                                                                                                                                                     start  a  cut on  midline  directed


                                                                                                                                                                                                    to  the  opposite side.  The  tissue


                                                                                                                                                                                                     removed should  taper to a point


                                                                                                                                                                                                     and be  approximately  2  cm  in


                                                                                                                                                                                                    length.  C,  The  procedure  is

                                                                                                                                                                                                     repeated  on the opposite side. D,
                                                                                      B
                                                                                                                                                                                                     The  tissue  removed  should  be


                                                                                                                                                                                                     wide at  the center and tapering


                                                                                                                                                                                                     a maximum  of 10 mm to a point


                                                                                                                                                                                                     approximately  2  cm  011  either


                                                                                                                                                                                                     side of midline.
                             A


















                                                                                                        D
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