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The copper kettle: a historical perspective

R P Sands¹, D R Bacon

¹Department of Anesthesiology, State University of New York at Buffalo, USA.

Journal of Clinical Anesthesia

|September 1, 1996

Summary

This summary is machine-generated.

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Before 1952, administering inhaled volatile anesthetics was imprecise due to uncalibrated vaporizers. Dr. Lucien E. Morris

Area of Science:

Anesthesiology
Medical Device Innovation
Chemical Engineering in Medicine

Background:

Prior to 1952, inhaled volatile anesthetic administration lacked precision.
Existing vaporizers were uncalibrated for concentration or vapor volume.
Variable fresh gas flow diversion and lack of fine control hindered accurate anesthetic delivery.

Observation:

Inexact anesthetic administration posed risks to patient safety.
The need for standardized and controlled anesthetic delivery was evident.
Existing vaporizers lacked mechanisms for precise control over anesthetic concentrations.

Findings:

Dr. Lucien E. Morris invented the Copper Kettle, standardizing volatile anesthetic administration.
The Copper Kettle produced known volumes of saturated vapor.

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This design allowed dilution to calculated anesthetic concentrations, improving control.

Implications:

Morris' invention significantly enhanced the safety and efficacy of inhaled anesthesia.
The Copper Kettle design represented a critical advancement in anesthetic delivery systems.
This innovation paved the way for more predictable and reproducible anesthetic management.