CA2069750A1 - Method and apparatus for pulsed iontophoretic drug delivery - Google Patents

Method and apparatus for pulsed iontophoretic drug delivery

Info

Publication number
CA2069750A1
CA2069750A1 CA002069750A CA2069750A CA2069750A1 CA 2069750 A1 CA2069750 A1 CA 2069750A1 CA 002069750 A CA002069750 A CA 002069750A CA 2069750 A CA2069750 A CA 2069750A CA 2069750 A1 CA2069750 A1 CA 2069750A1
Authority
CA
Canada
Prior art keywords
pulse
segment
drug delivery
controlled
iontophoretic drug
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
CA002069750A
Other languages
French (fr)
Other versions
CA2069750C (en
Inventor
Larry A. Mcnichols
Gary A. Lattin
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.)
Alza Corp
Original Assignee
Larry A. Mcnichols
Gary A. Lattin
Medtronic, Inc.
Alza Corporation
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 Larry A. Mcnichols, Gary A. Lattin, Medtronic, Inc., Alza Corporation filed Critical Larry A. Mcnichols
Publication of CA2069750A1 publication Critical patent/CA2069750A1/en
Application granted granted Critical
Publication of CA2069750C publication Critical patent/CA2069750C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/20—Applying electric currents by contact electrodes continuous direct currents
    • A61N1/30—Apparatus for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body, or cataphoresis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/325—Applying electric currents by contact electrodes alternating or intermittent currents for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A61N1/0408—Use-related aspects
    • A61N1/0428—Specially adapted for iontophoresis, e.g. AC, DC or including drug reservoirs
    • A61N1/0432—Anode and cathode

Abstract

A method and apparatus are disclosed for transdermal inotophoretic delivery of ionic species, such as a drug in ionic form, in which electrical pulses having controlled, distinctive, dual-segment waveform characteristics are applied. The therapeutic pulses are generated at a predetermined frequency and have a predetermined pulse width. First (20) and second (22) pulse segment generator means generate pulse segments which are applied to the patient skin through active (16) and indifferent (18) electrodes. The electrical attributes of each pulse segment, including amplitude and duration, are controlled to produce the desired, pulsed output waveform.
CA002069750A 1989-12-22 1990-12-19 Method and apparatus for pulsed iontophoretic drug delivery Expired - Lifetime CA2069750C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/456,013 US5047007A (en) 1989-12-22 1989-12-22 Method and apparatus for pulsed iontophoretic drug delivery
US456,013 1989-12-22
PCT/US1990/007551 WO1991009645A1 (en) 1989-12-22 1990-12-19 Method and apparatus for pulsed iontophoretic drug delivery

Publications (2)

Publication Number Publication Date
CA2069750A1 true CA2069750A1 (en) 1991-06-23
CA2069750C CA2069750C (en) 2001-04-10

Family

ID=23811093

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002069750A Expired - Lifetime CA2069750C (en) 1989-12-22 1990-12-19 Method and apparatus for pulsed iontophoretic drug delivery

Country Status (14)

Country Link
US (1) US5047007A (en)
EP (1) EP0506879B1 (en)
JP (1) JP3180129B2 (en)
KR (1) KR0154112B1 (en)
AT (1) ATE111367T1 (en)
AU (1) AU637674B2 (en)
CA (1) CA2069750C (en)
DE (1) DE69012587T2 (en)
DK (1) DK0506879T3 (en)
ES (1) ES2064084T3 (en)
FI (1) FI110309B (en)
GR (1) GR1001071B (en)
NO (1) NO306895B1 (en)
WO (1) WO1991009645A1 (en)

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Also Published As

Publication number Publication date
EP0506879B1 (en) 1994-09-14
DE69012587D1 (en) 1994-10-20
DK0506879T3 (en) 1995-02-13
KR920703147A (en) 1992-12-17
AU637674B2 (en) 1993-06-03
JP3180129B2 (en) 2001-06-25
NO922441D0 (en) 1992-06-19
WO1991009645A1 (en) 1991-07-11
FI922830A0 (en) 1992-06-17
ATE111367T1 (en) 1994-09-15
CA2069750C (en) 2001-04-10
GR900100877A (en) 1992-05-12
GR1001071B (en) 1993-04-28
EP0506879A1 (en) 1992-10-07
KR0154112B1 (en) 1998-11-16
FI110309B (en) 2002-12-31
NO306895B1 (en) 2000-01-10
US5047007A (en) 1991-09-10
NO922441L (en) 1992-08-19
FI922830A (en) 1992-06-17
AU7148091A (en) 1991-07-24
ES2064084T3 (en) 1995-01-16
JPH05504703A (en) 1993-07-22
DE69012587T2 (en) 1995-01-12

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