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  • The Internet Journal of Anesthesiology
  • Volume 5
  • Number 4

Original Article

The Origin Of The Combitube

A Jarquin-Valdivia, A Thompson

Keywords

ards, cardiac, cardio-pulmonary support, care unit, combitube, critical care, education, emergency medicine, hemodynamics, history, intensive, intensive care medicine, medicine, mouth-to-lung, multiorgan failure, neuro, patient care, pediatric, respiratory failure, surgical i, ventilation

Citation

A Jarquin-Valdivia, A Thompson. The Origin Of The Combitube. The Internet Journal of Anesthesiology. 2001 Volume 5 Number 4.

Abstract

This editorial is in response to: Michael Frass: Combitube: The Internet Journal of Anesthesiology. 2001; Volume 5, Number 2.

 

After reading the article on the Combitube by Dr. Frass, we wanted to draw attention to the origin of the “Combitube”. In the History and Technical Features section it is stated that the device was developed in the early eighties (1980s). Actually the prototype of the invention was developed in the 1960s by Drs. Don Michael, Lambert (of the Lambert-Eaton syndrome), and Mehran. These inventors designed this devise because the “mouth-to-mouth” technique of resuscitation was felt to be “aesthetically unpleasant” and undesirably inflated the stomach. With some similarity to the modern Combitube, it was inserted in the esophagus, had a balloon for establishing the esophageal seal, perforations along the oropharyngeal segment, a bite block, a mouth guard and the short tube for delivering air in and out of the patient's lungs. (Figure below)

Figure 1

Reprinted with permission from Elsevier Science (The Lancet, 1968, 21:1329)

They even predicted that a trained “ambulance-man or a nurse” could use the device, since it could be used by relatively inexperienced personnel in securing an emergency and/or difficult airway.

It is fascinating to think that a device conceived almost 40 years ago could still (after few modifications) have such an important impact today.

References

1. Michael TA, Lambert EH, Mehran A. (1968) "Mouth-to-lung airway" for cardiac resuscitation. Lancet. 1968 Dec 21;2(7582):1329.
2. Frass , Michael (2001). Combitube. The Internet Journal of Anesthesiology: 5, 2. journals/ija/vol5n2/combi.xml

Author Information

Adrian A Jarquin-Valdivia
Clinical Fellow, Neurology, NICU/MICU, UCSF

Annemarie Thompson
Resident, Anesthesia, UCSF

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