FLOW CONTROL MECHANISM FOR KIDNEY STONE TREATMENT SYSTEM

Kidney stone removal system is disclosed having components including a handle mechanism. The handle mechanism employs a trigger mechanism that enables control of irrigation and vacuum/suction. Operation of a trigger of the trigger mechanism conveys status of vacuum/suction and irrigation to a user b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CATANESE, III, Joe, TONG, Ling, ADAIR, Caralin Riva, HUDSON, Andrew John, JOHNSTON, Andrew, TACHIBANA, Brian Y, LAM, Calvin, GONZALEZ, Eddie
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	Kidney stone removal system is disclosed having components including a handle mechanism. The handle mechanism employs a trigger mechanism that enables control of irrigation and vacuum/suction. Operation of a trigger of the trigger mechanism conveys status of vacuum/suction and irrigation to a user by providing increased resistance at different points of operation. When the trigger is in a home position, irrigation and vacuum/suction are turned off. When the trigger is in a fully activated position, irrigation and vacuum/suction are turned on. When the trigger is in an intermediate position, irrigation may be turned on, while vacuum/suction remains turned off. The handle mechanism can be of a single trigger design with modes including: an active irrigation mode only (i.e., active irrigation on/vacuum off) and an active irrigation mode in combination with a vacuum mode (i.e., active irrigation on/vacuum on). The handle mechanism can also be of a single trigger design with modes including passive irrigation on/active irrigation off/vacuum off; passive irrigation on/active irrigation on/vacuum off; passive irrigation on/active irrigation on/vacuum on. The handle mechanism can also provide a minimum, passive amount of negative pressure even in the modes where the vacuum is off.