Fluid management system for arthroscopic surgery

Details Fluid management system for arthroscopic surgery Fluid management system for arthroscopic surgery

1996-11-08

1998-11-03

Buiz, Michael Powell

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 35, 604 67, A61M 3100

Patent

active

058301801

ABSTRACT:
An improved fluid management system for irrigation of a body cavity and in particular for use in arthroscopic surgery having a pressurized fluid circuit for supplying irrigation fluid and a vacuum fluid circuit for withdrawing waste fluid from the cavity. In a preferred embodiment there is an uninterrupted fluid supply comprised of a plurality of sterile solution saline bags with an automatic spiker to perforate the bags. The system is processor controlled with numerous safety and design features to automate arthroscopy to the highest degree possible. Some of the features include the monitoring and tracking of cavity pressure and flow rates to predetermined pressure and flow rates, tracking cavity to mean blood pressure, overpressure protection, a plurality of pressure and flow rate baseline settings, monitoring, setting and controlling saline supply, and specialized functions for providing pressure and flow rates for typical surgical procedures such as lavage, clear view, and burr/shaver. One or more vacuum discharge lines may be provided with an automatic self-cleaning feature. The system is compact and optionally employs a number of disposable components, including a novel fluid accumulator. In one preferred embodiment there is a compact gravity irrigation fluid management apparatus employing automatic pressure regulating means. An improved console for monitoring out-of-fluid anomalous conditions is also disclosed.

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