WO2005028017A1 - Vorrichtung und verfaren zur applikation von wirkstoffen an eine wundoberfläche - Google Patents
Vorrichtung und verfaren zur applikation von wirkstoffen an eine wundoberfläche Download PDFInfo
- Publication number
- WO2005028017A1 WO2005028017A1 PCT/EP2004/009243 EP2004009243W WO2005028017A1 WO 2005028017 A1 WO2005028017 A1 WO 2005028017A1 EP 2004009243 W EP2004009243 W EP 2004009243W WO 2005028017 A1 WO2005028017 A1 WO 2005028017A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insert
- bacteriophages
- active substance
- wound
- shut
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/36—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing microorganisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/66—Microorganisms or materials therefrom
- A61K35/76—Viruses; Subviral particles; Bacteriophages
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/77—Suction-irrigation systems
- A61M1/772—Suction-irrigation systems operating alternately
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3344—Measuring or controlling pressure at the body treatment site
Definitions
- the invention relates to a device and a method for applying active substances to a wound surface according to the preamble of claim 1 and ' of claim 8.
- a device for applying active substances to a wound surface of this type is known from DE 197 22 075 Cl.
- active ingredients can be brought to the surface of a wound in order to become effective on the wound surface over a controllable period of time. After this exposure time interval, the active ingredient is suctioned off again, wherein a negative pressure can possibly be maintained over a subsequent time interval.
- the object of the invention is to provide a novel wound treatment.
- the invention takes advantage of the effect of bacteriophages on bacterial infections.
- bacteriophages also called phages
- phages are viruses whose host cells are bacteria. You can 'penetrate the bacteria and multiply there. With the lysogenic bacteriophages, the bacterium can survive while being destroyed by the lytic bacteriophages. Lytic bacteriophages are therefore used to treat bacterial infections. It is necessary to use bacteriophage viruses with the highest possible virulence compared to the target bacteria.
- the bacteriophages of the T-Even group appear to be particularly suitable for infection treatment with gram-negative pathogens according to Ackermann's classification. Treatment with bacteriophages has the advantage over treatment with broad-spectrum antibiotics that the bacteriophages have hardly any side effects due to their pathogen specificity. The bacteriophages can also kill germs that are resistant to antibiotics. Bacteriophage therapy is becoming increasingly important due to the increasing emergence of multidrug-resistant infectious agents that sometimes no longer respond to an antibiotic.
- the bacteriophages have a number of special features. They are highly specific, ie they selectively infect only certain bacteria. They require an alkaline environment and are destroyed in an acidic environment. They require a relatively narrow range of ambient temperature, for example around 37 ° C. They multiply exponentially until their food reserve is exhausted, ie the target bacteria are eliminated.
- the bacteriophages can survive in the lifeless resting state (virions) typical of viruses until renewed contact with the specific receptor of a bacterial target cell starts their reproduction again.
- the bacteriophages can transport resistance genes and toxin genes and thereby increase the effect of bacterial toxins, which can lead to the dangerous Herxheimer reaction.
- the invention offers a novel way of using these properties of the bacteriophages for wound treatment without the disadvantageous properties having a detrimental effect.
- An insert made of a porous material e.g. made of an elastically compressible open-pore foam.
- the wound surface and the insert are covered with a sealing pad, e.g. covered with a film that is attached to the skin surface to seal the wound edges.
- a supply line and a discharge line lead into the insert.
- the supply and discharge lines are equipped with controllable shut-off devices.
- the liquid active substance is supplied from a supply via the feed line, while a vacuum source can be connected to the discharge line in order to suck the liquid out of the wound and in particular the insert.
- the shut-off elements of the supply line and the discharge line are closed at time ti.
- a certain negative pressure in the wound which can be, for example, about 10 - 80 kPa. Because of this negative pressure, the covering film is pressed against the wound surface, the elastic porous insert being compressed.
- the shut-off device of the supply line is opened so that the liquid active ingredient with the Bacteriophages can flow into the insert and thus into the wound via the feed line.
- the insert soaks up with the liquid active substance, the insert expanding due to its elastic restoring force.
- the insert is soaked with the liquid active substance, a certain overpressure prevailing under the film, which is determined, for example, by the height of the storage container relative to the wound. If necessary, a pressure-controlled pump can also be switched into the supply line.
- the shut-off element of the feed line is closed at time t 2 .
- the shut-off devices of the supply and discharge lines remain closed, so that the active substance contained in the insert can act on the surface of the wound.
- the duration of this exposure phase can be controlled.
- the shut-off device of the discharge line is opened at time t 3 , so that the liquid active substance is sucked out of the insert and the wound in the interval T 3 by the negative pressure present. If the original negative pressure is reached again at time t 4 , the liquid active substance is completely removed from the wound and the insert and the negative pressure is now maintained again over the negative pressure time interval T 4 .
- the shut-off device of the discharge line can remain open so that the negative pressure is continuously maintained.
- the bacteria are lysed by the bacteriophages and release their dangerous toxins.
- T 3 / T 4 there is a reversal of pressure and thus also a flow reversal and destroyed bacteria with their toxins are sucked out of the tissue before they can damage the organism. This makes it a toxic, for example
- the time intervals from pressure and vacuum phases T 2 to T 4 are determined based on the clinical monitoring and the scientific data of the toxin release.
- a strong toxin release requires short exposure intervals T 2 and long negative pressure phases T 4 .
- the phage concentration of the instillation liquid can be varied, ie reduced in this case.
- the removal of phages from the infected tissue during the negative pressure phase T 3 / T 4 also prevents or reduces their passage into the blood and lymphatic circulation. Immune reactions of the organism, which lead to the detection and destruction of the viruses, are thereby delayed and the local bioavailability of the phages increases.
- the phage-containing instillation liquid has a protective function. It displaces or dilutes the immunologically active tissue fluid, which can cause inactivation of the phages, at least during the exposure interval T 2 .
- the instillation according to the invention can also be used for systemic phage therapy.
- the phage concentrate becomes the desired pressure Introduced into the body tissue via the wound surface to create systemic phage levels.
- the ambient conditions for the phages in the applied instillation liquid can be monitored and corrected if necessary. It is particularly easy to renew the local phage fluid by short-term aspiration (T 3 / T 4 ) and subsequent installation ( ! / 2 ) of a new virus solution.
- the drop in phage concentration in the wound or inlay (phage pool) correlates with the amount of phage that has entered the organism.
- the invention enables the optimal setting of phage concentrations, pH and temperature. This can have a decisive influence on the therapeutic phage effect, since inflammatory reactions of the body tissue lead to an increase in temperature, which, like an infection-related acid tissue reaction, render the phages ineffective.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Mycology (AREA)
- Materials Engineering (AREA)
- Virology (AREA)
- Oncology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Dermatology (AREA)
- Communicable Diseases (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Materials For Medical Uses (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Medicinal Preparation (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002538066A CA2538066A1 (en) | 2003-09-10 | 2004-08-18 | Device and method for applying active substances to the surface of a wound |
AU2004273583A AU2004273583A1 (en) | 2003-09-10 | 2004-08-18 | Device and method for applying active substances to the surface of a wound |
JP2006525669A JP2007504869A (ja) | 2003-09-10 | 2004-08-18 | 傷表面に作用物質を適用するための装置及び方法 |
EP04764230A EP1663379A1 (de) | 2003-09-10 | 2004-08-18 | Vorrichtung und verfaren zur applikation von wirkstoffen an eine wundoberfläche |
US10/571,222 US20060286076A1 (en) | 2003-09-10 | 2004-08-18 | Device and method for applying active substances to the surface of a wound |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10342071.1 | 2003-09-10 | ||
DE10342071A DE10342071B4 (de) | 2003-09-10 | 2003-09-10 | Vorrichtung und Verfahren zur Applikation von Wïrkstoffen an eine Wundoberfläche |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005028017A1 true WO2005028017A1 (de) | 2005-03-31 |
Family
ID=34352809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/009243 WO2005028017A1 (de) | 2003-09-10 | 2004-08-18 | Vorrichtung und verfaren zur applikation von wirkstoffen an eine wundoberfläche |
Country Status (10)
Country | Link |
---|---|
US (1) | US20060286076A1 (de) |
EP (1) | EP1663379A1 (de) |
JP (1) | JP2007504869A (de) |
KR (1) | KR20060125717A (de) |
CN (1) | CN1849152A (de) |
AU (1) | AU2004273583A1 (de) |
CA (1) | CA2538066A1 (de) |
DE (1) | DE10342071B4 (de) |
RU (1) | RU2352364C2 (de) |
WO (1) | WO2005028017A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2106255A2 (de) * | 2007-01-10 | 2009-10-07 | Wake Forest University Health Sciences | Vorrichtung und verfahren zur wundbehandlung mit periodischem subatmosphärischem druck |
US8764794B2 (en) | 2008-01-09 | 2014-07-01 | Wake Forest University Health Sciences | Device and method for treating central nervous system pathology |
US8834520B2 (en) | 2007-10-10 | 2014-09-16 | Wake Forest University | Devices and methods for treating spinal cord tissue |
US9050136B2 (en) | 2006-11-17 | 2015-06-09 | Wake Forest University Health Sciences | External fixation assembly and method of use |
US9289193B2 (en) | 2008-07-18 | 2016-03-22 | Wake Forest University Health Sciences | Apparatus and method for cardiac tissue modulation by topical application of vacuum to minimize cell death and damage |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060222692A1 (en) * | 2005-03-31 | 2006-10-05 | Fairfield Clinical Trials Llc | Method and compositions for transdermal administration of antimicrobial medications |
CA2678057C (en) * | 2007-02-28 | 2016-01-26 | Omnilytics, Inc. | External animal layer sanitation using bacteriophage |
ES2632367T3 (es) * | 2007-10-04 | 2017-09-12 | Ampliphi Biosciences Corporation | Composiciones antibacterianas |
DE102007054127A1 (de) | 2007-11-11 | 2009-05-14 | Birgit Riesinger | Hygiene- oder Pflegeartikel, aufweisend einen Anteil an hydroaktiven Polymeren, und eine Zubereitung aufweisend Bakteriophagen oder mindestens einen Bestandteil derselben |
RU2493886C2 (ru) * | 2010-11-24 | 2013-09-27 | Муниципальное учреждение здравоохранения "Клиническая поликлиника № 5" г. Кемерово | Устройство для лечения загрязненной раны |
RU2597767C2 (ru) * | 2015-01-26 | 2016-09-20 | Муниципальное бюджетное учреждение здравоохранения "Клиническая поликлиника N 5" г. Кемерово | Способ обработки укушенных ран |
US20210112816A1 (en) * | 2017-04-26 | 2021-04-22 | Phagelux (Canada) Inc. | Plasma immobilization of bacteriophages and applications thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19722075C1 (de) * | 1997-05-27 | 1998-10-01 | Wilhelm Dr Med Fleischmann | Vorrichtung zur Applikation von Wirkstoffen an einer Wundoberfläche |
WO2000069269A1 (en) * | 1999-05-13 | 2000-11-23 | Exponential Biotherapies, Inc. | Strains of bacteriophage useful for rescuing patients infected with vancomycin-resistant enterococcus faecium |
US20020001590A1 (en) * | 2000-04-20 | 2002-01-03 | Mount Sinai Hospital | Antibacterial therapy for multi-drug resistant bacteria |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100582945B1 (ko) * | 1998-02-18 | 2006-05-24 | 가부시키가이샤 아이 메딕 | 뼈 고정용 케이블 슬리브 장치 |
IL139936A0 (en) * | 1998-06-02 | 2002-02-10 | Glaxo Group Ltd | Gene therapy method |
EP1169480A4 (de) * | 1999-04-14 | 2005-02-02 | Musc Found For Res Dev | Gewebsspezifische und pathogenspezifische toxische substanzen und ribozyme |
US6699701B1 (en) * | 2000-01-11 | 2004-03-02 | Intralytix, Inc. | Method and device for sanitation using bacteriophages |
-
2003
- 2003-09-10 DE DE10342071A patent/DE10342071B4/de not_active Expired - Fee Related
-
2004
- 2004-08-18 AU AU2004273583A patent/AU2004273583A1/en not_active Abandoned
- 2004-08-18 US US10/571,222 patent/US20060286076A1/en not_active Abandoned
- 2004-08-18 CN CNA2004800261684A patent/CN1849152A/zh active Pending
- 2004-08-18 JP JP2006525669A patent/JP2007504869A/ja active Pending
- 2004-08-18 KR KR1020067006756A patent/KR20060125717A/ko not_active Application Discontinuation
- 2004-08-18 EP EP04764230A patent/EP1663379A1/de not_active Withdrawn
- 2004-08-18 WO PCT/EP2004/009243 patent/WO2005028017A1/de active Application Filing
- 2004-08-18 CA CA002538066A patent/CA2538066A1/en not_active Abandoned
- 2004-08-18 RU RU2006111484/14A patent/RU2352364C2/ru not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19722075C1 (de) * | 1997-05-27 | 1998-10-01 | Wilhelm Dr Med Fleischmann | Vorrichtung zur Applikation von Wirkstoffen an einer Wundoberfläche |
WO2000069269A1 (en) * | 1999-05-13 | 2000-11-23 | Exponential Biotherapies, Inc. | Strains of bacteriophage useful for rescuing patients infected with vancomycin-resistant enterococcus faecium |
US20020001590A1 (en) * | 2000-04-20 | 2002-01-03 | Mount Sinai Hospital | Antibacterial therapy for multi-drug resistant bacteria |
Non-Patent Citations (2)
Title |
---|
SULAKVELIDZE A ET AL: "BACTERIOPHAGE THERAPY", ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, AMERICAN SOCIETY FOR MICROBIOLOGY, WASHINGTON, DC, US, vol. 45, no. 3, March 2001 (2001-03-01), pages 649 - 659, XP001016193, ISSN: 0066-4804 * |
SUMMERS W C: "BACTERIOPHAGE THERAPY", ANNUAL REVIEW OF MICROBIOLOGY, ANNUAL REVIEWS INC., PALO ALTO, CA, US, vol. 55, 2001, pages 437 - 451, XP001056848, ISSN: 0066-4227 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9050136B2 (en) | 2006-11-17 | 2015-06-09 | Wake Forest University Health Sciences | External fixation assembly and method of use |
EP2106255A2 (de) * | 2007-01-10 | 2009-10-07 | Wake Forest University Health Sciences | Vorrichtung und verfahren zur wundbehandlung mit periodischem subatmosphärischem druck |
EP2106255A4 (de) * | 2007-01-10 | 2013-09-11 | Univ Wake Forest Health Sciences | Vorrichtung und verfahren zur wundbehandlung mit periodischem subatmosphärischem druck |
US9737455B2 (en) | 2007-01-10 | 2017-08-22 | Wake Forest Univeristy Health Sciences | Apparatus and method for wound treatment employing periodic sub-atmospheric pressure |
US8834520B2 (en) | 2007-10-10 | 2014-09-16 | Wake Forest University | Devices and methods for treating spinal cord tissue |
US8764794B2 (en) | 2008-01-09 | 2014-07-01 | Wake Forest University Health Sciences | Device and method for treating central nervous system pathology |
US9289193B2 (en) | 2008-07-18 | 2016-03-22 | Wake Forest University Health Sciences | Apparatus and method for cardiac tissue modulation by topical application of vacuum to minimize cell death and damage |
US10076318B2 (en) | 2008-07-18 | 2018-09-18 | Wake Forest University Health Sciences | Apparatus and method for cardiac tissue modulation by topical application of vacuum to minimize cell death and damage |
Also Published As
Publication number | Publication date |
---|---|
KR20060125717A (ko) | 2006-12-06 |
RU2352364C2 (ru) | 2009-04-20 |
RU2006111484A (ru) | 2006-08-10 |
DE10342071A1 (de) | 2005-04-28 |
CA2538066A1 (en) | 2005-03-31 |
CN1849152A (zh) | 2006-10-18 |
AU2004273583A1 (en) | 2005-03-31 |
JP2007504869A (ja) | 2007-03-08 |
EP1663379A1 (de) | 2006-06-07 |
DE10342071B4 (de) | 2006-01-19 |
US20060286076A1 (en) | 2006-12-21 |
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