CA2393537A1 - Skin treatment apparatus for sustained transdermal drug delivery - Google Patents

Skin treatment apparatus for sustained transdermal drug delivery Download PDF

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Publication number
CA2393537A1
CA2393537A1 CA002393537A CA2393537A CA2393537A1 CA 2393537 A1 CA2393537 A1 CA 2393537A1 CA 002393537 A CA002393537 A CA 002393537A CA 2393537 A CA2393537 A CA 2393537A CA 2393537 A1 CA2393537 A1 CA 2393537A1
Authority
CA
Canada
Prior art keywords
skin
stretching
micropathways
drug delivery
treatment apparatus
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
CA002393537A
Other languages
French (fr)
Other versions
CA2393537C (en
Inventor
Michel J. N. Cormier
Joseph C. Trautman
Hyunok L. Kim
Ahmad P. Samiee
Armand P. Neukermans
Bruce P. Edwards
Wai-Loong Lim
Andrew I. Poutiatine
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
Alza Corporation
Michel J. N. Cormier
Joseph C. Trautman
Hyunok L. Kim
Ahmad P. Samiee
Armand P. Neukermans
Bruce P. Edwards
Wai-Loong Lim
Andrew I. Poutiatine
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 Alza Corporation, Michel J. N. Cormier, Joseph C. Trautman, Hyunok L. Kim, Ahmad P. Samiee, Armand P. Neukermans, Bruce P. Edwards, Wai-Loong Lim, Andrew I. Poutiatine filed Critical Alza Corporation
Publication of CA2393537A1 publication Critical patent/CA2393537A1/en
Application granted granted Critical
Publication of CA2393537C publication Critical patent/CA2393537C/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
    • A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
    • 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
    • A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
    • A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/20—Surgical instruments, devices or methods, e.g. tourniquets for vaccinating or cleaning the skin previous to the vaccination
    • A61B17/205—Vaccinating by means of needles or other puncturing devices
    • 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
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
    • 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
    • A61N1/303—Constructional details
    • 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
    • A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
    • A61M2037/0007—Other 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
    • 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
    • A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
    • A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
    • A61M2037/0023—Drug applicators using microneedles
    • 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
    • A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
    • A61M37/0015—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin by using microneedles
    • A61M2037/0046—Solid microneedles

Abstract

An expandable skin stretching device (100) includes skin engaging opposite ends (56, 57) that contact the skin (30) surface on opposite sides of an area of the skin surface having micropathways (31) therein. When the skin stretching device (100) is expanded the skin (30) between the opposite ends (56, 57) is placed under tension, i.e., stretched. The skin is placed under a tension of about 0.01 to about 10 megapascals, preferably about 0.05 to about 2 megapascals. The skin stretching can be uni-directional or multi-directional. Alternative embodiments of skin stretching devices (101, 102, 103, 104, 105) use suction or normal force to stretch the skin (30). Stretching the skin (30) helps keep the micropathways (31) open for enhanced agent (e.g., drug) delivery through the micropathways (31).
The stretching also delays micropathway (31) closure.
CA002393537A 1999-12-10 2000-12-07 Skin treatment apparatus for sustained transdermal drug delivery Expired - Fee Related CA2393537C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17270499P 1999-12-10 1999-12-10
US60/172,704 1999-12-10
PCT/US2000/033582 WO2001041864A1 (en) 1999-12-10 2000-12-07 Skin treatment apparatus for sustained transdermal drug delivery

Publications (2)

Publication Number Publication Date
CA2393537A1 true CA2393537A1 (en) 2001-06-14
CA2393537C CA2393537C (en) 2009-02-03

Family

ID=22628847

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002393537A Expired - Fee Related CA2393537C (en) 1999-12-10 2000-12-07 Skin treatment apparatus for sustained transdermal drug delivery

Country Status (19)

Country Link
US (2) US20020111600A1 (en)
EP (1) EP1239917B1 (en)
JP (1) JP4312407B2 (en)
KR (1) KR100832754B1 (en)
CN (1) CN100402106C (en)
AT (1) ATE295200T1 (en)
AU (1) AU782610B2 (en)
CA (1) CA2393537C (en)
DE (1) DE60020159T2 (en)
DK (1) DK1239917T3 (en)
ES (1) ES2238333T3 (en)
HK (1) HK1048773B (en)
HU (1) HU225467B1 (en)
IL (1) IL150091A0 (en)
MX (1) MXPA02005765A (en)
NO (1) NO323128B1 (en)
PT (1) PT1239917E (en)
WO (1) WO2001041864A1 (en)
ZA (1) ZA200204597B (en)

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Also Published As

Publication number Publication date
AU2087001A (en) 2001-06-18
EP1239917A1 (en) 2002-09-18
IL150091A0 (en) 2002-12-01
US20020111600A1 (en) 2002-08-15
WO2001041864A1 (en) 2001-06-14
HK1048773B (en) 2005-10-14
HK1048773A1 (en) 2003-04-17
HUP0204002A2 (en) 2003-03-28
NO20022721D0 (en) 2002-06-07
AU782610B2 (en) 2005-08-11
ES2238333T3 (en) 2005-09-01
CA2393537C (en) 2009-02-03
CN100402106C (en) 2008-07-16
MXPA02005765A (en) 2003-01-28
KR20020060996A (en) 2002-07-19
KR100832754B1 (en) 2008-05-27
HU225467B1 (en) 2006-12-28
JP2003516205A (en) 2003-05-13
PT1239917E (en) 2005-08-31
CN1423571A (en) 2003-06-11
JP4312407B2 (en) 2009-08-12
NO323128B1 (en) 2007-01-08
ATE295200T1 (en) 2005-05-15
EP1239917B1 (en) 2005-05-11
ZA200204597B (en) 2004-09-29
DE60020159T2 (en) 2005-10-06
NO20022721L (en) 2002-08-07
DE60020159D1 (en) 2005-06-16
DK1239917T3 (en) 2005-08-22
US20040181203A1 (en) 2004-09-16

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