INFUSION PUMPS
2 Assignments
0 Petitions
Accused Products
Abstract
Ambulatory infusion pumps, pump assemblies, cartridges, baseplates, cannulas, insertion tools, and related components as well as combinations thereof and related methods.
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Citations
230 Claims
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1-188. -188. (canceled)
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189. An infusion pump apparatus, comprising:
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a pump assembly housing; a plunger pusher in the housing; a motor that drives the plunger pusher; a medicament cartridge, positionable in the housing in an inserted position, having a cartridge front wall with an outer surface, a medicament reservoir, and a plunger having a dry side and movable by the plunger pusher towards the cartridge front wall to controllably dispense medicament from the reservoir; and a clamp that clamps the reservoir between the dry side of the plunger and the outer surface of the cartridge front wall. - View Dependent Claims (190, 191, 192, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203)
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193. (canceled)
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204. An infusion pump apparatus, comprising:
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a housing having therein a cartridge receiving area defining a forward corner and a fluid displacement device; a medicament cartridge, having a reservoir and an unpowered part of an occlusion sensor, positionable in an inserted position in the receiving area; a powered part of the occlusion sensor positioned in the housing, outside of the medicament cartridge and proximate to the forward corner of the cartridge receiving area; and at least one resilient member positioned to bias the medicament cartridge when in the inserted position into the forward corner of the receiving area. - View Dependent Claims (205, 206, 207)
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208-226. -226. (canceled)
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227. A method of operating an infusion pump apparatus having a plunger pusher and a medicament cartridge having a cartridge front wall with an outer surface, a reservoir, and a plunger having a dry side and movable by the plunger pusher towards the cartridge front wall, the method comprising the step of:
applying a clamping force that clamps the reservoir between the dry side of the plunger and the outer surface of the cartridge front wall and applies a clamping displacement that adjusts incrementally as the plunger pusher advances the plunger towards the front wall. - View Dependent Claims (228, 229)
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230-619. -619. (canceled)
Specification