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An implantable infusion pump to deliver stored infusate to a desired fluid delivery site. The pump includes a collapsible fluid chamber. The pump can include a multi-stage filtration system to filter micro-emboli as well as larger particles that are inadvertently introduced into the pump system. An

An implantable infusion pump to deliver stored infusate to a desired fluid delivery site. The pump includes a collapsible fluid chamber. The pump can include a multi-stage filtration system to filter micro-emboli as well as larger particles that are inadvertently introduced into the pump system. An external member can receive the pump and provide a medium to include additional, interactive components, e.g., a bolus port, as well as provide a versatile suture structure to enable the pump to be properly secured within an implantation site. To improve volumetric efficiency, the pump can further incorporate an outlet flow passage within a movable wall of the fluid chamber.

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An implantable infusion pump to deliver stored infusate to a desired fluid delivery site. The pump includes a collapsible fluid chamber. The pump can include a multi-stage filtration system to filter micro-emboli as well as larger particles that are inadvertently introduced into the pump system. An

An implantable infusion pump to deliver stored infusate to a desired fluid delivery site. The pump includes a collapsible fluid chamber. The pump can include a multi-stage filtration system to filter micro-emboli as well as larger particles that are inadvertently introduced into the pump system. An external member can receive the pump and provide a medium to include additional, interactive components, e.g., a bolus port, as well as provide a versatile suture structure to enable the pump to be properly secured within an implantation site. To improve volumetric efficiency, the pump can further incorporate an outlet flow passage within a movable wall of the fluid chamber. piration in Pseudoexfoliation Glaucoma, Ophthalmology, 1998, vol. 105, No. 5, May 1998, pp. 886-894. Phillip C. Jacobi, MD, Thomas S. Dietlein, MD. and Gunter K. Krieglstein, MD., Microendoscopic Trabecular Surgery in Glaucoma Management, Ophthalmology, 1999, vol. 106, No. 3, pp. 538-544. L. jay Katz, M.D., A Call for Innovative Operations for Glaucoma, Arch Ophthalmology, Mar. 2000, vol. 118, pp. 412-413. Arthur L. Schwartz, MD, and Douglas R. Anderson, MD, Trabeculaar Surgery, Arch Ophthalmol, vol. 92, Aug. 1974, pp. 134-138. R. A. Hill, Q. Ren, D. C. Nguyen, L-H. Liaw, and M. W. Berns, Free-electron Laser (FEL) Ablation of Ocular Tissues, Laser Med Sci 1998, pp. 13: 219-226. Maurice H. L