Video-enhanced visualization of the larynx and intubation with the Bullard laryngoscope — equipment report

Dullenkopf, Alexander; Lamesic, Goran; Gerber, Andri; Weiß, Markus

doi:10.1007/bf03021065

Cited by 6 publications

(4 citation statements)

References 25 publications

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“…In this way, the image can be transmitted to an external monitor and the Bullard optical laryngoscope may function as a videolaryngoscope. 33 The Airtraq optical laryngoscope has an anatomically shaped blade, similar to the AWS blade, which contains two parallel channels, the optical channel and the guiding channel, which accommodates the ETT. The image is transmitted to a proximal viewfinder.…”

Section: Optical Laryngoscopesmentioning

confidence: 99%

Video‐laryngoscopes in the adult airway management: a topical review of the literature

Niforopoulou

Pantazopoulos

Demestiha

et al. 2010

Acta Anaesthesiol Scand

283

266

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The aim of the present paper is to review the literature regarding video-laryngoscopes (Storz V-Mac and C-Mac, Glidescope, McGrath, Pentax-Airway Scope, Airtraq and Bullard) and discuss their clinical role in airway management. Video-laryngoscopes are new intubation devices, which provide an indirect view of the upper airway. In difficult airway management, they improve Cormack-Lehane grade and achieve the same or a higher intubation success rate in less time, compared with direct laryngoscopes. Despite the very good visualization of the glottis, the insertion and advancement of the endotracheal tube with video-laryngoscopes may occasionally fail. Each particular device's features may offer advantages or disadvantages, depending on the situation the anaesthesiologist has to deal with. So far, there is inconclusive evidence indicating that video-laryngoscopy should replace direct laryngoscopy in patients with normal or difficult airways.

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Section: Optical Laryngoscopesmentioning

confidence: 99%

Video‐laryngoscopes in the adult airway management: a topical review of the literature

Niforopoulou

Pantazopoulos

Demestiha

et al. 2010

Acta Anaesthesiol Scand

283

266

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“…Another future development will be to adapt the AVI for ITI in the mouse because the use of mice is becoming increasingly popular in many laboratories that conduct studies in pulmonary toxicology. 21 This development will utilize a very thin optical fibre for image guidance and narrow tubing, 8,22 whose combined diameter will be considerably smaller than that of the bundle of the CCD videocamera probe and tubing in the AVI for the rat. In addition, the length of the trigger-activated step to advance the tubing will need to be made shorter because of the length of the mouse trachea.…”

Section: Discussionmentioning

confidence: 99%

An automatic video instillator for intratracheal instillation in the rat

Kim

Lee²,

Hwang³

et al. 2010

Lab Anim

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Intratracheal instillation (ITI) of a test compound is an alternative method to inhalation methods that require complex aerosol generation, exposure chambers and airflow monitoring instruments for exposing the lungs of animals to a test compound. For ITI in the rat, a laryngoscope is generally used for endotracheal intubation, and the procedure is difficult to perform. Therefore, we designed and constructed an automatic video instillator (AVI) for the accurate delivery of a dose of a test compound into the trachea of rats. The device has a videocamera probe for image guidance, and a liquid-crystal display for image display. These two items are used to visualize the larynx and trachea for intratracheal insertion of the tubing, and for placing the tip of the instillation tubing beyond the vocal cords for ITI of the test compound. After a 2 h training session on the use of the AVI in an anaesthetized rat, we assessed the utility of the device by ITI of 0.25% (w/v) solution of Evans Blue dye into the lungs of 30 isoflurane-anaesthetized rats. Necropsy examinations were performed on 20 rats immediately after the completion of the procedure, and on 10 rats three days after the procedure. Based on the results of these examinations, we concluded that the device could be used for rapid, reproducible and successful ITI of a test compound into the lungs of a rat by one operator. The pulmonary toxicology of environmental toxins to assess their physicochemical characteristics, such as the effect of particle size and distribution, and the biological response that follows their exposure in humans is studied frequently by either inhalation or intratracheal instillation (ITI) of the toxin in rodents.1 For pulmonary toxicity studies, specialized equipment that includes aerosol generators, airflow monitoring instruments, exposure chambers, exhaust systems and often analytical chemical support is required in order to deliver known amounts of the test compound into the lungs. Consequently, the need for this equipment increases the cost and technical complexity of such studies.2 ITI has become a feasible alternative method for delivering a toxin into the lung of rodents, 3 -6 because the required equipment is less sophisticated than that required for inhalation toxicity studies. 7 -9 This method is also simpler and safer than the inhalation method: many dose levels of compounds with a wide range of physicochemical properties and toxicity can be introduced rapidly into the lungs with minimal risk to the operator. Furthermore, ITI is used often as a screen to determine an appropriate dose range for inhalation toxicity studies. Despite the advantages of ITI over inhalation, the use of ITI for the pulmonary toxicology studies in rodents does have limitations.10 One such limitation is the resultant pulmonary distribution of the toxin. In inhalation studies, the distribution of the test compound in the right and left lungs is uniform, whereas it is non-uniform when using ITI. In addition, Lakatos et al. suggested that oropharynge...

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“…Shikani optical stylet system (SOS) and flexible airway scope tool (FAST) is a newer lighted stylet. 25,26 Bullard laryngoscope (BL): It is a valuable aid for the management of predicted as well as unanticipated difficult tracheal intubation.…”

Section: Lightwand (Trachlight Tmmentioning

confidence: 99%

Evolution of Airway Devices

Shelgaonkar¹,

Adate²,

Shinde³

et al. 2012

IJPUT

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Maintenance of patent airway is essential for adequate oxygenation and ventilation. Failure, even for a short period can be life-threatening. So expertise in airway management is essential in every medical speciality. Management of the airway has come a long way since the endotracheal intubation done by Macewan (1880) to present day use of modern and sophisticated devices. The wide variety of airway armamentarium is available today. Since, time available to secure airway is short one has to be optimally prepared with proper selection of equipment, technique and participation of personnel experienced in doing it. This is a brief review of evolution of airway devices.

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Video-enhanced visualization of the larynx and intubation with the Bullard laryngoscope — equipment report

Cited by 6 publications

References 25 publications

Video‐laryngoscopes in the adult airway management: a topical review of the literature

Video‐laryngoscopes in the adult airway management: a topical review of the literature

An automatic video instillator for intratracheal instillation in the rat

Evolution of Airway Devices

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