CA2151221A1 - Side slit catheter - Google Patents

Side slit catheter

Info

Publication number
CA2151221A1
CA2151221A1 CA002151221A CA2151221A CA2151221A1 CA 2151221 A1 CA2151221 A1 CA 2151221A1 CA 002151221 A CA002151221 A CA 002151221A CA 2151221 A CA2151221 A CA 2151221A CA 2151221 A1 CA2151221 A1 CA 2151221A1
Authority
CA
Canada
Prior art keywords
catheter
tip
occlusion
medication
delivery
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
CA002151221A
Other languages
French (fr)
Other versions
CA2151221C (en
Inventor
John H. Harreld
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.)
Medtronic Minimed Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2151221A1 publication Critical patent/CA2151221A1/en
Application granted granted Critical
Publication of CA2151221C publication Critical patent/CA2151221C/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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement

Abstract

An improved side slit catheter is provided for use in long term delivery of a selected medication to a patient, wherein the catheter has a distal end tip shaped to permit expulsion of an occlusive deposit. The catheter includes an elongated lumen for passage of medication such as insulin to the distal end tip for administration to the patient at a selected infusion site. The tip includes a cylindrical wall segment defining a tapered bore which expands in cross section to a delivery port, with at least one and preferably a plurality of longitudinal side slits formed in said wall segment. In the event of delivery port occlusion, medication delivery at normal pressure will continue through the side slits. The occlusion can be expelled from the catheter tip by delivering a selected fluid through the catheter at elevated pressure, whereupon the slitted catheter tip deformably responds to detach from and thus permit expulsion of the occlusion.
CA002151221A 1994-06-20 1995-06-07 Side slit catheter Expired - Fee Related CA2151221C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/262,784 1994-06-20
US08/262,784 US5460618A (en) 1994-06-20 1994-06-20 Side slit catheter

Publications (2)

Publication Number Publication Date
CA2151221A1 true CA2151221A1 (en) 1995-12-21
CA2151221C CA2151221C (en) 2006-04-04

Family

ID=22999026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002151221A Expired - Fee Related CA2151221C (en) 1994-06-20 1995-06-07 Side slit catheter

Country Status (5)

Country Link
US (1) US5460618A (en)
EP (1) EP0693300B1 (en)
JP (1) JP3631807B2 (en)
CA (1) CA2151221C (en)
DE (1) DE69532221T2 (en)

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US8123686B2 (en) 2007-03-01 2012-02-28 Abbott Diabetes Care Inc. Method and apparatus for providing rolling data in communication systems
US8461985B2 (en) 2007-05-08 2013-06-11 Abbott Diabetes Care Inc. Analyte monitoring system and methods
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US9180245B2 (en) 2008-10-10 2015-11-10 Deka Products Limited Partnership System and method for administering an infusible fluid
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Also Published As

Publication number Publication date
EP0693300A3 (en) 1997-03-26
DE69532221D1 (en) 2004-01-15
DE69532221T2 (en) 2004-05-27
CA2151221C (en) 2006-04-04
JP3631807B2 (en) 2005-03-23
JPH0838619A (en) 1996-02-13
EP0693300B1 (en) 2003-12-03
EP0693300A2 (en) 1996-01-24
US5460618A (en) 1995-10-24

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130607