Page 379 - Fluid, Electrolyte, and Acid-Base Disorders in Small Animal Practice
P. 379

Technical Aspects of Fluid Therapy  369



            7. If your hands are trembling, it is safer to use a cath-  from an injection needle for cats and small dogs or
              eter introducer. These may be purchased (Catheter    from a microchip implantation needle for large dogs
              Introducer [part 6999], Becton Dickinson) or made    (Figure 15-6, G).






















               G                                               H


















               I                                               J


















               K                                               L
                        Figure 15-6 cont'd  G, A catheter introducer will be used to facilitate entry of the catheter into the vein.
                        It may be purchased (plastic introducer at left) or fashioned from the bent and dulled tip of a suitable
                        size needle. H, The No. 11 blade is held upside down to make a venotomy incision directly over the distal
                        handle. I, The venotomy wound is opened with the catheter introducer, and the needle is partially withdrawn
                        from the tip of the catheter and is advanced into the wound until it lodges where the vein makes a 90-degree
                        turn into the wound. J, The catheter introducer is then set aside. K, The forceps are pulled toward the
                        hock to straighten out the vein, and the catheter is advanced off of the needle up the vein. L, An intravenous
                        fluid line is connected immediately.


                                                                                                         (continued)
   374   375   376   377   378   379   380   381   382   383   384