Method and apparatus for ocular perfusion

Details Method and apparatus for ocular perfusion Method and apparatus for ocular perfusion

A - Human Necessities

61

M

128/97

A61M 1/00 (2006.01) A61F 9/00 (2006.01)

Patent

CA 2009841

Ocular perfusion during intraocular surgery of the anterior or posterior ocular cavity is optimized through the method of using a gas pump having a discernible and controllable output pressure to pressurize a reservoir of liquid infusate, which is supplied under pressure to a surgical infusion instrument for perfusion of the selected ocular chamber (Gas Forced Liquid Infusion, GFLI). The infusate selection and the infusate pressure can be controlled with a high degree of accuracy and both can be rapidly varied by audible command. Preferentially a human sensible indication of pressure is constantly available at the gas pump.

Il est possible d'effectuer une perfusion du milieu oculaire qui soit optimale durant une chirurgie de la cavité oculaire, antérieure ou postérieure, au moyen d'une pompe au gaz dont on peut ajuster à un certain seuil la pression, de façon à maintenir sous pression un réservoir contenant une infusion liquide, qui alimente un instrument pour infusion chirurgicale sous pression, lequel accomplit la perfusion de la cavité oculaire choisie (infusion liquide par pression gazeuse). On peut fixer avec grande précision le type et la pression de l'infusion, et l'on peut varier l'un et l'autre par commande vocale. Idéalement, la valeur de la pression à la pompe au gaz peut être perçue à tout instant par un individu humain.

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