CA2392164A1 - Implantable, refillable infusion device and septum replacement kit - Google Patents

Implantable, refillable infusion device and septum replacement kit Download PDF

Info

Publication number
CA2392164A1
CA2392164A1 CA002392164A CA2392164A CA2392164A1 CA 2392164 A1 CA2392164 A1 CA 2392164A1 CA 002392164 A CA002392164 A CA 002392164A CA 2392164 A CA2392164 A CA 2392164A CA 2392164 A1 CA2392164 A1 CA 2392164A1
Authority
CA
Canada
Prior art keywords
infusate
housing
variable volume
volume chamber
infusion device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002392164A
Other languages
French (fr)
Other versions
CA2392164C (en
Inventor
Paul F. Burke
Kenneth A. Fine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medasys Inc
Original Assignee
Bard Access Systems, Inc.
Paul F. Burke
Kenneth A. Fine
Infumedics Inc.
Inset Technologies Incorporated
Medasys Incorporated
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bard Access Systems, Inc., Paul F. Burke, Kenneth A. Fine, Infumedics Inc., Inset Technologies Incorporated, Medasys Incorporated filed Critical Bard Access Systems, Inc.
Publication of CA2392164A1 publication Critical patent/CA2392164A1/en
Application granted granted Critical
Publication of CA2392164C publication Critical patent/CA2392164C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14276—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body specially adapted for implantation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/14586—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of a flexible diaphragm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/14586—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of a flexible diaphragm
    • A61M5/14593—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of a flexible diaphragm the diaphragm being actuated by fluid pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2209/00—Ancillary equipment
    • A61M2209/04—Tools for specific apparatus
    • A61M2209/045—Tools for specific apparatus for filling, e.g. for filling reservoirs

Abstract

An implantable infusion device (10) includes a lightweight, inert housing (12) which contains an infusate (18) for administration to a patient, and an enclosed, gas-impermeable variable volume chamber (30) which contains a pressure source, such as propellant, mechanical spring, or the like. The variable volume chamber may be in the form of a rigid-walled expandable bellows structure or a nonstretchable flexible bag and is attached to the housing so as not to obstruct the entry port for introduction of infusate.
A recharging fluid flow path (31) is provided adjacent to where the variable volume chamber is attached to the housing. The infusate is delivered from the device via a catheter in response to expansion of the variable volume chamber against the volume of infusate in the housing. A separate bolus injection port (38) is provided which allows infusate to be safely introduced directly into the catheter and overrides the controlled pressure-driven delivery. The lightweight housing may include integrally formed needle stops (32 and 34) and suture fastening loops (36).
CA002392164A 2000-01-11 2001-01-11 Implantable, refillable infusion device and septum replacement kit Expired - Fee Related CA2392164C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/481,298 2000-01-11
US09/481,298 US6764472B1 (en) 2000-01-11 2000-01-11 Implantable refillable infusion device
PCT/US2001/000846 WO2001051108A1 (en) 2000-01-11 2001-01-11 Implantable, refillable infusion device and septum replacement kit

Publications (2)

Publication Number Publication Date
CA2392164A1 true CA2392164A1 (en) 2001-07-19
CA2392164C CA2392164C (en) 2009-03-10

Family

ID=23911409

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002392164A Expired - Fee Related CA2392164C (en) 2000-01-11 2001-01-11 Implantable, refillable infusion device and septum replacement kit

Country Status (8)

Country Link
US (3) US6764472B1 (en)
EP (1) EP1253957B1 (en)
AT (1) ATE345828T1 (en)
AU (1) AU781796B2 (en)
CA (1) CA2392164C (en)
DE (1) DE60124671T2 (en)
ES (1) ES2277604T3 (en)
WO (1) WO2001051108A1 (en)

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CA2392164C (en) 2009-03-10
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US7108686B2 (en) 2006-09-19
AU781796B2 (en) 2005-06-16
ES2277604T3 (en) 2007-07-16
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US6764472B1 (en) 2004-07-20
DE60124671T2 (en) 2007-09-13
US20030208184A1 (en) 2003-11-06
ATE345828T1 (en) 2006-12-15
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US20040249363A1 (en) 2004-12-09
EP1253957B1 (en) 2006-11-22

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