Advantages and disadvantages of removal techniques
Technique | Orifice | Advantages | Disadvantages |
---|---|---|---|
*FB = foreign body. | |||
Irrigation | Ear | Ease of use | Contraindicated in tympanic perforation and for vegetable matter |
Positive pressure | Nose | Non-traumatic | Risk of barotrauma |
Negative pressure | Both | Ease of use | Need solid seal |
Anterior FBs | Posterior FBs difficult | ||
Good for small, round FBs | May frighten children | ||
Glue | Both | Ease of use | FB must be visualised |
Non-traumatic | Adhesion of glue to patient | ||
Catheter techniques | Nose/ both | Good for awkward and posteriorly placed FBs | Cost and availability of catheter |
Possible trauma | |||
Needs good anaesthesia | |||
Impression materials | Ear | Ease of use | Cost and availability |
Contraindicated in perforation | |||
Surgical instruments | Both | Availability | Trauma with metal objects |
Posterior displacement of FBs | |||
Manufactured instruments | Both | Instrument can be designed to fit the shape of the FB | Trauma |
Posterior displacement of FBs |