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Internal tissue medication permeating apparatus and method

Info

Publication number
CA2081666A1
CA2081666A1 CA 2081666 CA2081666A CA2081666A1 CA 2081666 A1 CA2081666 A1 CA 2081666A1 CA 2081666 CA2081666 CA 2081666 CA 2081666 A CA2081666 A CA 2081666A CA 2081666 A1 CA2081666 A1 CA 2081666A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
internal
tissue
electrode
balloon
external
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
CA 2081666
Other languages
French (fr)
Other versions
CA2081666C (en )
Inventor
Andrew Jonathan Feiring
Original Assignee
Andrew Jonathan Feiring
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

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • A61M25/104Balloon catheters used for angioplasty
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00Methods or devices for treatment of the ears, e.g. surgical; Protective devices for the ears, carried on the body or in the hand; Non-electric hearing aids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0434Cuffs
    • A61M16/0436Special fillings therefor
    • A61M16/0438Liquid-filled
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes
    • A61M16/0475Tracheal tubes having openings in the tube
    • A61M16/0477Tracheal tubes having openings in the tube with incorporated means for delivering or removing fluids
    • A61M16/0481Tracheal tubes having openings in the tube with incorporated means for delivering or removing fluids through the cuff wall
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/20Applying electric currents by contact electrodes continuous direct currents
    • A61N1/30Apparatus for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body, or cataphoresis
    • A61N1/303Constructional details
    • A61N1/306Arrangements where at least part of the apparatus is introduced into the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • A61M2025/1043Balloon catheters with special features or adapted for special applications
    • A61M2025/105Balloon catheters with special features or adapted for special applications having a balloon suitable for drug delivery, e.g. by using holes for delivery, drug coating or membranes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M37/00Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
    • A61M2037/0007Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin having means for enhancing the permeation of substances through the epidermis, e.g. using suction or depression, electric or magnetic fields, sound waves or chemical agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M37/00Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin

Abstract

A method and apparatus for selectively treating a targeted portion of internal body tissue of a patient by providing a balloon (14) with an internal electrode at a point adjacent the tissue to be treated and electrodes (13) external to the patient's body.
Fluid containing ionic molecules is supplied to the balloon (10) between the internal electrode and the external electrodes. An electric field radiating outwardly from the internal electrode to the external electrodes (13) is created so that said fluid flows outwardly from the balloon (10) through pores (30) away from said internal electrode into the tissue to be treated.
CA 2081666 1990-05-07 1991-05-06 Internal tissue medication permeating apparatus and method Expired - Fee Related CA2081666C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US520,033 1990-05-07
US5236413B1 US5236413B1 (en) 1990-05-07 1990-05-07 Method and apparatus for inducing the permeation of medication into internal tissue
PCT/US1991/003091 WO1991016945A1 (en) 1990-05-07 1991-05-06 Internal tissue medication permeating apparatus and method

Publications (2)

Publication Number Publication Date
CA2081666A1 true true CA2081666A1 (en) 1991-11-08
CA2081666C CA2081666C (en) 1998-12-29

Family

ID=24070921

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2081666 Expired - Fee Related CA2081666C (en) 1990-05-07 1991-05-06 Internal tissue medication permeating apparatus and method

Country Status (6)

Country Link
US (7) US5236413B1 (en)
JP (1) JP3372250B2 (en)
CA (1) CA2081666C (en)
DE (4) DE69132438D1 (en)
EP (2) EP1002554B1 (en)
WO (1) WO1991016945A1 (en)

Families Citing this family (412)

* Cited by examiner, † Cited by third party
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US5549603A (en) 1996-08-27 grant
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US6389314B2 (en) 2002-05-14 grant
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US5810763A (en) 1998-09-22 grant
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US5425703A (en) 1995-06-20 grant
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US5236413A (en) 1993-08-17 grant
US5236413B1 (en) 1996-06-18 grant
JP3372250B2 (en) 2003-01-27 grant
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US6195583B1 (en) 2001-02-27 grant
US20010001816A1 (en) 2001-05-24 application
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US5669874A (en) 1997-09-23 grant
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