WO2004028333A2 - Device and method for monitoring endoscope channels for connectivity - Google Patents

Device and method for monitoring endoscope channels for connectivity Download PDF

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Publication number
WO2004028333A2
WO2004028333A2 PCT/DE2003/003190 DE0303190W WO2004028333A2 WO 2004028333 A2 WO2004028333 A2 WO 2004028333A2 DE 0303190 W DE0303190 W DE 0303190W WO 2004028333 A2 WO2004028333 A2 WO 2004028333A2
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
endoscope
connectivity
throttle
channel
Prior art date
Application number
PCT/DE2003/003190
Other languages
German (de)
French (fr)
Other versions
WO2004028333A3 (en
Inventor
Roland Pichl
Original Assignee
Roland Pichl
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 Roland Pichl filed Critical Roland Pichl
Priority to AU2003299079A priority Critical patent/AU2003299079A1/en
Publication of WO2004028333A2 publication Critical patent/WO2004028333A2/en
Publication of WO2004028333A3 publication Critical patent/WO2004028333A3/en

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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • A61L2/28—Devices for testing the effectiveness or completeness of sterilisation, e.g. indicators which change colour
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
    • A61B1/121—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use
    • A61B1/125—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for cleaning post-use using fluid circuits

Definitions

  • DE 299 03 174 Ul which also cleans a test specimen during the cleaning process.
  • DE 129 631 694 a container is filled with water and then pressed through the endoscope channel to be measured at constant pressure.
  • a throttle is attached after the compressed air source, so that after the container has emptied as a result of the medium changing from water to air, a pressure drop occurs in the endoscope channel, which is evaluated.
  • the invention provides a simple, easy-to-use measuring device which checks the endoscope safely and quickly for possible soiling, destruction or other constrictions.
  • a constant pressure air source (1) which can consist of a compressor with a pressure accumulator and a subsequent pressure reducer, is connected via line (2) to an air throttle (4). After this throttle is a hose (5) and at the end of an adapter (7). This is connected to an endoscope channel (8).
  • the pressure sensor (3) for the total pressure is located between the constant air source (1) and the throttle (4).
  • the second pressure sensor (6) is located between the throttle (4) and the endoscope channel (8).
  • the service man selects the air throttle for the corresponding endoscope channel from the endoscope list. This is repeated for each channel to be measured.
  • the operator in the clinic connects the individual adapters to the endoscope accordingly. The test is then started and the individual pressures measured. Depending on the pressure deviation, there is contamination.

Abstract

Currently, endoscopes are exclusively monitored for connectivity to a limited extent. One method, for example, involves measuring the consumption of current through a tubular pump in a rinsing process. One problem of said measurement is the lack of precision. The inventive device and the method enable channels to be monitored for connectivity in a continuous manner. The endoscope channel monitoring method and device include a constant source of compressed air which is serially connected to a throttle valve and to an endoscope channel which is to be measured. Pressure measurement produced according to the throttle valve enables information on the connectivity of the endoscope to be obtained. The inventive device and method can be used in endoscopes in, for example, clinics.

Description

Titel: Vorrichtung und Nerfahren zum Überprüfen von Endoskopkanälen auf DurchgängigkeitTitle: Device and ner driving for checking endoscopic channels for patency
Stand der Technik:State of the art:
Es gibt bereits einige Lösungen wie bei DE 299 03 174 Ul, die zusätzlich beim Reinigungsvorgang ein Prüfkörper reinigt. Damit ist aber keine mittelbare Aussage bezüglich der Verschmutzung der Endoskopkanäle möglich. Bei DE 129 631 694 wird ein Behälter mit Wasser befüllt und anschliessend mit konstantem Druck durch den zu messenden Endoskopkanal gedrückt. Dabei ist nach der Druckluftquelle eine Drossel angebracht, so dass nach Leerlaufen des Behälters in Folge des Mediumwechsels von Wasser nach Luft im Endoskopkanal ein Druckabfall entsteht, welcher ausgewertet wird.There are already some solutions like DE 299 03 174 Ul, which also cleans a test specimen during the cleaning process. However, this does not allow an indirect statement regarding the contamination of the endoscope channels. In DE 129 631 694, a container is filled with water and then pressed through the endoscope channel to be measured at constant pressure. A throttle is attached after the compressed air source, so that after the container has emptied as a result of the medium changing from water to air, a pressure drop occurs in the endoscope channel, which is evaluated.
Problem:Problem:
Die jetzigen Lösungen sind zu kompliziert, oder nicht ausreichend, um ein medizinisch ausreichendes Messergebnis zu erhalten, da Restverschmutzungen im geringsten Masse schon Bakterien von einem Patienten zum anderen übertragen können.The current solutions are too complicated or not sufficient to obtain a medically sufficient measurement result, since residual contamination can transmit bacteria from one patient to another in the smallest amount.
Lösung:Solution:
Dieses Problem wird mit den in den Patentansprüchen aufgeführten Merkmalen gelöst.This problem is solved with the features listed in the claims.
Vorteile:Benefits:
Durch die Erfindung erhält man ein einfaches , leicht zu bedienendes Messgerät, weiches das Endoskop sicher und schnell auf eventuelle Verschmutzungen, Zerstörungen oder sonstige Verengungen überprüft.The invention provides a simple, easy-to-use measuring device which checks the endoscope safely and quickly for possible soiling, destruction or other constrictions.
Beschreibung:Description:
Die Zeichnung Fig.1 stellt ein Aufbau der Patentanmeldung dar. Einer Konstantdruckluftquelle (1), welche aus einem Kompressor mit Druckspeicher und anschliessendem Druckminderer bestehen kann, wird über die Leitung (2) eine Luftdrossel (4) angeschlossen. Nach dieser Drossel befindet sich ein Schlauch (5) und an dessen Ende ein Adapter (7). Dieser ist an einem Endoskopkanal (8) angeschlossen. Der Drucksensor (3) für den Gesamtdruck befindet sich zwischen der Konstantdruckluftquelle (1) und der Drossel (4). Der zweite Drucksensor (6) befindet sich zwischen der Drossel (4) und dem Endoskopkanal (8).The drawing Fig.1 shows a structure of the patent application. A constant pressure air source (1), which can consist of a compressor with a pressure accumulator and a subsequent pressure reducer, is connected via line (2) to an air throttle (4). After this throttle is a hose (5) and at the end of an adapter (7). This is connected to an endoscope channel (8). The pressure sensor (3) for the total pressure is located between the constant air source (1) and the throttle (4). The second pressure sensor (6) is located between the throttle (4) and the endoscope channel (8).
Funktion:Function:
Der Servicemann wählt die Luftdrossel für den entsprechenden Endoskopkanal per Endoskopliste aus. Dies wird für jeden zu messenden Kanal wiederholt. Der Bediener in der Klinik schliesst die einzelnen Adapter entsprechend an das Endoskop an. Daraufhin wird der Test gestartet und die einzelnen Drücke gemessen. Je nach Druckabweichung liegt eine Verschmutzung vor.The service man selects the air throttle for the corresponding endoscope channel from the endoscope list. This is repeated for each channel to be measured. The operator in the clinic connects the individual adapters to the endoscope accordingly. The test is then started and the individual pressures measured. Depending on the pressure deviation, there is contamination.
Ende. The End.

Claims

Patentansprüche: claims:
1. Verfahren nach Anspruch 2. zur Überprüfung der Durchgängigkeit von Endoskopkanälen, dadurch gekennzeichnet, dass ein bestimmter Kanaldurchmesser und dessen Kanallänge hinter einer Drossel (Verengung) einen messbaren Druckabfall ergibt. Dabei wird das System mit Druckluft versorgt welche konstant ist, so dass die Druckverlustsumme aus der Drossel und dem Endoskopkanal diesem Druck entspricht.1. The method according to claim 2. for checking the patency of endoscope channels, characterized in that a certain channel diameter and its channel length behind a throttle (restriction) results in a measurable pressure drop. The system is supplied with compressed air which is constant so that the total pressure loss from the throttle and the endoscope channel corresponds to this pressure.
2. Vorrichtung zum Überprüfen der Durchgängigkeit von Endoskopkanälen, gekennzeichnet durch:2. Device for checking the patency of endoscope channels, characterized by:
- einer druckkonstanten Luftquelle (1), die zu einer- A pressure constant air source (1) leading to a
- Druckdrossel (4) irihrt, welche seinerseits mit dem zu messenden Endoskopkanal (8) verbunden ist.- Pressure throttle (4), which in turn is connected to the endoscope channel (8) to be measured.
- Des weiteren dem Drucksensor für den Druck der Luftdruckquelle (3) und- Furthermore, the pressure sensor for the pressure of the air pressure source (3) and
- dem Drucksensor zur Messung des Druckabfalls an der Druckdrossel (6). - The pressure sensor for measuring the pressure drop at the pressure throttle (6).
PCT/DE2003/003190 2002-09-26 2003-09-25 Device and method for monitoring endoscope channels for connectivity WO2004028333A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003299079A AU2003299079A1 (en) 2002-09-26 2003-09-25 Device and method for monitoring endoscope channels for connectivity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002145053 DE10245053A1 (en) 2002-09-26 2002-09-26 Device and method for checking endoscopic channels for patency
DE10245053.6 2002-09-26

Publications (2)

Publication Number Publication Date
WO2004028333A2 true WO2004028333A2 (en) 2004-04-08
WO2004028333A3 WO2004028333A3 (en) 2004-07-01

Family

ID=32038186

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/003190 WO2004028333A2 (en) 2002-09-26 2003-09-25 Device and method for monitoring endoscope channels for connectivity

Country Status (3)

Country Link
AU (1) AU2003299079A1 (en)
DE (1) DE10245053A1 (en)
WO (1) WO2004028333A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0489716A1 (en) * 1987-06-04 1992-06-10 Richard Wolf GmbH Device for insufflating gas in a body cavity
EP0709056A1 (en) * 1994-10-27 1996-05-01 Fujinon Medical Holland B.V. Method and apparatus for cleaning and disinfection of endoscopes
US5738824A (en) * 1994-11-11 1998-04-14 Netzsch Newamatic Gmbh Method for the testing and cleaning of instruments for minimal invasive surgery or minimal invasive examination of body cavities
US5800381A (en) * 1994-02-25 1998-09-01 Ognier; Jean-François Medical gas insufflator with automatic gas flow control

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0489716A1 (en) * 1987-06-04 1992-06-10 Richard Wolf GmbH Device for insufflating gas in a body cavity
US5800381A (en) * 1994-02-25 1998-09-01 Ognier; Jean-François Medical gas insufflator with automatic gas flow control
EP0709056A1 (en) * 1994-10-27 1996-05-01 Fujinon Medical Holland B.V. Method and apparatus for cleaning and disinfection of endoscopes
US5738824A (en) * 1994-11-11 1998-04-14 Netzsch Newamatic Gmbh Method for the testing and cleaning of instruments for minimal invasive surgery or minimal invasive examination of body cavities

Also Published As

Publication number Publication date
DE10245053A1 (en) 2004-06-03
AU2003299079A1 (en) 2004-04-19
AU2003299079A8 (en) 2004-04-19
WO2004028333A3 (en) 2004-07-01

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