Portable infusion pump of the skin patch type with spiral collapsible reservoir
First Claim
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1. An ambulatory pump for dispensing fluid to be pumped through a transcutaneous cannula comprising:
- a reservoir comprising a relatively long length of flexible tubing arranged in a spiral pattern for holding the fluid to be pumped and having an outlet through which fluid is expelled in use;
a closure device disposed external to the flexible tubing and engaging an exterior surface thereof, said closure device being discretely movable relative to the flexible tubing forming the reservoir for crushing the reservoir; and
an actuator for moving the closure device incrementally relative to the reservoir.
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Abstract
An ambulatory pump comprising a reservoir (1) for holding the fluid to be pumped and having an outlet (7) through which fluid is expelled in use; a closure (8) device movable relative to the reservoir; and an actuator (14) for moving the closure device relative to the reservoir, wherein the reservoir is arranged in a spiral pattern.
9 Citations
15 Claims
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1. An ambulatory pump for dispensing fluid to be pumped through a transcutaneous cannula comprising:
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a reservoir comprising a relatively long length of flexible tubing arranged in a spiral pattern for holding the fluid to be pumped and having an outlet through which fluid is expelled in use; a closure device disposed external to the flexible tubing and engaging an exterior surface thereof, said closure device being discretely movable relative to the flexible tubing forming the reservoir for crushing the reservoir; and an actuator for moving the closure device incrementally relative to the reservoir. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification