Page 506 - Clinical Application of Mechanical Ventilation
P. 506
472 Chapter 14
Removal of airway foreign While some believe that the rigid bronchoscope is useful in such
TREATMENT means of employing a variety of grasping forceps. Foreign bod-
bodies
cases, it is possible to remove almost all airway foreign bodies by
ies removal in this way include gold crowns, peanuts (frequent in
children), paper clips, drug containers, and fishbone.
Electrosurgical treatment Joule heat caused by the electrosurgical current evaporates cells
for incision and coagulation. Can be used for much of the same
cases as Lasers, and treatment capability is expanded with the
variety of accessories.
Courtesy of Olympus America Inc.
airway, (2) removal of foreign bodies (common in pediatric patients), (3) removal of
An example of endobronchial tissues, (4) intubation of difficult airway and (5) drainage of an abscess.
therapeutic uses of fiberoptic
bronchoscopy is the removal Large foreign objects in the airway are removed by rigid bronchoscope.
of secretions, mucus plugs, or
Bronchoscope and Medications
polyps in the airway.
The main components of a fiberoptic bronchoscope are the handle and insertion
tube (Figure 14-8). The handle consists of the eyepiece, bending mechanism, and
Specifications
Field of view 120°
Optical System
Depth of Field 3–50 mm
Distal End Outer Diameter ø 6.1 mm
Insertion Tube Insertion Tube Outer
Diameter ø 6.2 mm
Working Length 550 mm
Instrument Channel Inner diameter ø 3.2 mm
Channel Minimum Visible Distance 5 mm
Bending Section Angulation Range UP 180°, DOWN 130°
Total Length 840 mm
Light Guide
1808 UP Instrument Image Courtesy of Olympus America Inc.
Channel Objective
1308 DOWN Lens
Light Guide
Figure 14-8 An example of flexible fiberoptic bronchoscope and specifications (Olympus
model BF-XT40).
Copyright 2013 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
