Automatic clamp apparatus

A - Human Necessities – 61 – M

Patent

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Details

A61M 39/28 (2006.01) F16K 7/06 (2006.01) F16L 55/10 (2006.01)

Patent

CA 2629449

A clamp apparatus (20) for selectively occluding a resilient tube to prevent free flow of fluid in the tube. The device comprises a base member (22) to which the resilient IV tube is attached or through which it passes, and a slide clamp (24) that slides relative to the base member (22) and relative to the tube. The aperture (38) in the slide clamp (24) has a relatively open hole at one end, through which the tube passes when the slide clamp (24) is an open position, allowing fluid to flow through the tube. The aperture (38) also has a relatively constricted slot at the other end, through which the tube passes when the slide clamp is in the occluding position, preventing fluid flow through the tube. The slide clamp (24) includes a groove for receiving a cooperatively shaped rib on the base member (22). The groove and rib are configured to guide relative movement between the slide clamp (24) and the base (22) so as to prevent significant lateral movement.

La présente invention concerne un appareil à clamp destiné à occlure de manière sélective un tube résilient pour éviter un écoulement libre du fluide dans le tube. Le dispositif comprend un élément de base auquel le tube pour IV résilient est fixé ou à travers duquel il passe, ainsi qu~un clamp coulissant qui coulisse par rapport à l~élément de base et par rapport au tube. L~ouverture dans le clamp coulissant comporte un trou relativement ouvert à une extrémité, à travers laquelle le tube passe lorsque le clamp coulissant est en position ouverte, permettant que le fluide s~écoule à travers le tube. L~ouverture comporte également une fente relativement étroite à l~autre extrémité, à travers laquelle le tube passe lorsque le clamp coulissant se trouve en position d~occlusion, empêchant que le fluide s~écoule par le tube. Le clamp coulissant comprend une rainure destinée à recevoir une nervure formée de manière coopérative sur l~élément de base. La rainure et la nervure sont configurées pour guider un mouvement relatif entre le clamp coulissant et la base de manière à éviter un mouvement latéral significatif.

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