Specialized Surgical Instruments & Techniques Endoscopy and Laparoscopy CTVT 1154-55 Objective: Properly identify specialized instruments and all of their parts, and understand the set up, care, and maintenance of each.
Endoscopy The technique of examining internal anatomy using optical instrumentation View internal body structures via an orifice ; not an incision Examine tissues directly; remove foreign bodies; biopsy organs General anesthesia needed; intubation required for oral procedures
Types of Endoscopes Flexible
Endoscope Capabilities 4 way distal tip deflection Water flushing channel Air insufflation channel Suction power Accessory channel
Common Endoscopic Procedures
Types of Endoscopes Flexible Fiber optic Endoscope Eyepiece for direct viewing Can attach a camera
Types of Endoscopes Flexible Video Endoscope Do not have a direct viewing lens and eye piece All images are seen on a monitor Can take photos or video
Types of Endoscopes Rigid Endoscope For procedures involving a direct pathway that are better viewed with a straight or direct line of sight Otoscopy, rhinoscopy, cystoscopy, arthroscopy, laparoscopy
Endoscopy Preparation Veterinary technician is responsible for prep: Hook up endoscope Enter patient data on computer Turn on machine and check light source Set up distilled water for flushing Test machine Press the water valve Submerge tip, cover the air valve, check for bubbles Leave tip submerged in water and press suction valve
Endoscopy Room
Endoscopy Room
Endoscopy Cabinet Store endoscopes in a designated cabinet in a hanging position Safe keeping; longer life; allows proper drying Do not store in original padded case
Handling the Endoscope
Biopsy Sampling Flexible biopsy forceps obtain the sample 1.8- to 2.4-mm cup for specimens Use 25-27g needle to gently get sample out of the cups Sample storage?
Endoscopy Accessories Biopsy forceps, wired snares, wire baskets, pronged grasping forceps, cytology brushes
Colonoscopy Patient preparation: Perform fecal sampling before beginning procedure Fast for 24 to 36 hours; NPO for 4 hours Remove fecal material Lavage solutions given orally Lavage colon (enema) Do all tests prior to administering the lavage solution
Endoscope Cleaning Clean immediately with an enzymatic solution May use soapy distilled water
Endoscope Cleaning All channels must be cleaned and sterilized!