Diagnostics - Endoscope Flashcards
(15 cards)
Endoscope - general functions
Optical device for image in the body
Minimally invasive
Natural orifice or small skin incision
Examples of use
Otoscopy
Rhinoscopy
Tracheostomy
Colonoscopy
Vaginoscopy
Laparoscopy
Use of rigid (vs flexible) 5
Non tubular structures
Better quality & light
Can use larger instruments
Cheaper
Easier to clean
Use of flexible (vs rigid) 6
Tubular structures
Poorer light & pixilated view
Only small instr.
More complex
Costly
Only cleaned by trained staff
4 main components
Lighting system
Visualisation
Channels
Interface
Lighting system (5)
External
Illuminates organ
Hallogen or xenon bulbs
Often optical fibre
Can have insufflation and irrigation
Interface
Processor
Light source
Digital capture device
AIDA
Telepack
Materials in rigid endoscope
Steel structure
Glass fibres
Sheaths
Protects scope
Allows passage of instruments
Obturator (blunt) or trocar (sharp)
What can you use through an instrument channel
Palpation probes
Grasping forceps
Biopsy forceps
Scissors
Needle holder
Suture cutter
Arthroscopy instruments
Areas for flexible endoscope (3)
RT (lungs, nasal, pharynx)
Abd. T (Upper GI, Lower GI)
UT (urethra, bladder)
Parts of flexible endoscope (3)
Unbilical cord
Handpiece
Insertion tube
Videos for flexible endoscopy (2)
Fibrescope or videoscope
3 extra modalities for flexible endoscopes
Air insufflation
Water irrigation
Suction
Benefits of endoscopy (5)
Less trauma
Reduced post op. pain
Rapid healing
Ltd sutures to remove
Reduced surgery time
