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US 4,689,043 AGranted
IV tube activator
AssigneeIMED Corporation
InventorJon Bisha
Life of this patent
Estimating the term…
Abstract
An IV tube activator for use with a peristaltic IV infusion pump comprises means that require the closure of a tube associated clamp upon engagement of the IV tube with the pump and upon any subsequent disengagement of the IV tube from the pump. The activator further comprises means which simultaneously move the tube associated clamp to open the IV tube when the pump is being operated.
Claims9
An apparatus for engaging an IV tube with a device used to infuse medical solutions to a patient which comprises:
- a rigid clamp having relatively fixed clamping surfaces engageable with said IV tube and moveable relative to said tube between an open position wherein fluid can flow through said tube and a closed position wherein said tube is occluded by said clamp;
- means for holding said IV tube in operative engagement with said device;
- lockout means mounted on said device to establish said clamp in said closed position before operative engagement of said IV tube with said device;
- and
- a handle associated with said device and moveable for engagement with said clamp to urge said clamp between said open position and said closed position.
2 more elements
A tube restrictior which comprises:
- a base;
- a rigid clamp having relatively fixed clamping surfaces slidably mountable on said base having a first end and a second end and formed with a generally tear-drop shaped aperture having its wide portion adjacent said first end and its narrow portion adjacent said second end;
- a projection extending from said clamp;
- a tube extending through said aperture;
- a first means mounted on said base for urging against said first end to position said tube in said wide portion of said aperture and allow fluid flow through said tube;
- a second means mounted on said first means for urging against said projection to position said tube in said norrow portion of said aperture and occlude said tube;
- and
- a lockout means mounted on said base to position said tube in said narrow portion of said aperture upon initial mounting of said clamp on said base.
5 more elements
Dependencies are inferred from the claim text.