WO2016174143A1 - Procédé et dispositif d'appréciation de l'efficacité d'une préparation d'instruments médicaux, en particulier dentaires, à corps creux - Google Patents

Procédé et dispositif d'appréciation de l'efficacité d'une préparation d'instruments médicaux, en particulier dentaires, à corps creux Download PDF

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Publication number
WO2016174143A1
WO2016174143A1 PCT/EP2016/059500 EP2016059500W WO2016174143A1 WO 2016174143 A1 WO2016174143 A1 WO 2016174143A1 EP 2016059500 W EP2016059500 W EP 2016059500W WO 2016174143 A1 WO2016174143 A1 WO 2016174143A1
Authority
WO
WIPO (PCT)
Prior art keywords
effectiveness
medical
hollow body
preparation
assessing
Prior art date
Application number
PCT/EP2016/059500
Other languages
German (de)
English (en)
Inventor
Johann Eibl
Original Assignee
W & H Dentalwerk Bürmoos GmbH
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 W & H Dentalwerk Bürmoos GmbH filed Critical W & H Dentalwerk Bürmoos GmbH
Publication of WO2016174143A1 publication Critical patent/WO2016174143A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • G09B23/283—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for dentistry or oral hygiene
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
    • G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
    • G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation

Definitions

  • the present invention relates to methods and to a device for assessing the effectiveness of a preparation of medical, in particular dental, hollow body instruments.
  • the type of preparation of the medical, especially dental, instruments depends on the use of the instruments.
  • the conduits are transmission channels, which are preferably formed by the housing of the instruments to receive the drive train of the instrument, or fluid passages for air, water, ozone, or spray.
  • a number of devices are available to the user. These devices are used in particular for cleaning, disinfection, sterilization and / or care of medical instruments.
  • fluids preferably liquids, such as cold water or hot water, or gases, such as steam or compressed air, disinfectants, sterilants, and / or lubricants are used.
  • the devices often have, in addition to a device for processing the outer sides of the instruments, in particular a device for the preparation of arranged in the interior of the instruments supply and fluid lines.
  • the medical instruments are connected during the treatment with a media supply of the treatment device and flowed through with a treatment medium.
  • a number of devices are known from the prior art.
  • test specimens in the treatment devices, in particular in their treatment chambers for receiving the instruments or in the medical Instruments themselves, to position.
  • the sensors here monitor the parameters of the treatment medium, such as temperature or pressure, and determine from this a proper instrument preparation.
  • test specimens in this case preferably comprise a test chamber for receiving a test specimen.
  • the test specimen is preferably designed as a test soiling for checking the cleaning or as an indicator which alters the color for checking the penetration properties of a sterilizing agent.
  • a disadvantage of these embodiments of the devices for assessing the effectiveness and / or completeness of the preparation of medical, in particular dental, hollow body instruments proves to be the influence of the devices for assessing the treatment on the measurement results and on the treatment process.
  • additional test specimens and sensors By positioning additional test specimens and sensors in the treatment equipment, especially in the treatment chambers, additional masses are introduced into the processing chambers, which are not taken into account by the processing equipment in the instrument processing.
  • steam preferably depending on the load in a certain form, in particular as saturated steam or superheated steam generated in the treatment equipment and introduced in a certain amount in the treatment chambers of the sterilizers and directly into the medical instruments to a proper To ensure sterilization of the instruments.
  • a test specimen additionally positioned in the chamber is not taken into account by the sterilizer, in particular in the generation of steam, with the result that the sterilizing agent is not present in calculated and desired form and quantity in the treatment chamber and in the instrument.
  • a further disadvantage of the embodiments known in the prior art are the costs associated with the assessment of the effectiveness and / or completeness of the reprocessing of medical instruments.
  • test specimens for assessing the effectiveness and / or completeness of the preparation, for each test to be checked Instrument test stains and / or indicators be acquired.
  • the installation of the test specimens is time-consuming and thus expensive.
  • this comprises the following steps:
  • At least one material parameter of the preparation region and / or of the hollow-body instrument is preferably acquired for the simulation of a media flow in the geometric data of the preparation region and / or of the hollow-body instrument.
  • process parameters are understood to mean, in particular, the following parameters: frequency, force, pressure, energy, amount of heat, power, electrical charge, electrical, voltage, electrical capacitance, electrical resistance, electrical conductivity, magnetic flux, magnetic flux density, temperature, luminous flux, illuminance Radioactivity, absorbed dose, equivalent dose;
  • treatment medium is to be understood in particular as fluids, gases, in particular water in the gaseous state of matter, or electromagnetic radiation.
  • the following data are preferably output: heat and / or energy input, sterility, vapor distribution, probabilities.
  • the data from step d) are output visually and / or acoustically. These are preferably displayed as 3D data, preferably as an image.
  • the data from step d), preferably instrument-related can be stored. Thus, it is possible to calculate the effectiveness of the instrument reprocessing on the basis of a probability calculation taking into account the stored data. If a deviation between the generated data from the simulation and the stored data is determined, a renewed simulation is preferably carried out while adapting the at least one process parameter.
  • the simulation of the media flow of the at least one treatment medium according to step c) takes place by means of a CFD method (Computational Fluid Dynamics).
  • a device for assessing the effectiveness of a treatment of medical, in particular dental, hollow body instruments this is characterized by a control unit with a computer program for performing the method according to one of the previous embodiments.
  • the control unit is in this case preferably connected to at least one treatment device for at least one medical, in particular dental, hollow body instrument, connectable or fixedly connected thereto.
  • control unit is preferably designed to transmit and / or receive data, so that data, in particular results of the assessment of the effectiveness of the treatment and / or process parameters, between the control unit and a conditioning device and / or an external memory wired and / or wireless are transferable.
  • a treatment device for at least one medical, in particular dental, hollow body instrument, this comprises a device according to one of the previous embodiments.
  • the treatment device is preferably a sterilizer which uses steam as a treatment medium.
  • the present method and device for assessing the effectiveness and / or completeness of the preparation of medical, in particular dental, hollow body instruments is characterized by a number of significant advantages.
  • the method according to the invention and the device according to the invention make it possible to assess the effectiveness of the preparation of medical, in particular dental, hollow-body instruments, without negatively influencing the treatment process and the results obtained by the device for evaluating the preparation.
  • the preparation process can be controlled or adapted by the method according to the invention in such a way that a proper reprocessing of the instruments can take place.
  • Reprocessing media are provided exactly in the calculated and desired shape and quantity, preferably in the treatment chamber of the reprocessing device and / or in the medical instrument.
  • Another advantage of the invention is the possibility of inexpensive and time-saving verification of the effectiveness of the treatment processes.
  • the check is fully automatic without the use of test specimens.
  • a computer program with program code means is provided to at least the steps
  • the invention or the computer program is preferably implemented in software.
  • the computer program with program code means is also particularly preferably also intended to carry out at least one or more or all of the additional steps of the method described above when the computer program is executed by means of a computer system.
  • the computer program thus preferably allows a computer system or a device comprising the computer system, in particular after it has been loaded into storage means of the computer system, to carry out the method for assessing the effectiveness of processing medical, in particular dental, hollow body instruments.
  • a further, in particular computer-readable or digital, storage medium is provided with electronically readable control signals, in particular a program code, which cooperate with a control or processing unit of a computer system such that a method for assessing the effectiveness of a treatment of medical, in particular dental, hollow body instruments at least with the steps a) - d), particularly preferably with at least one or more or all of the additional steps of the method described above, executable.
  • the storage medium can be designed either as a stand-alone unit that can be connected to a computer system or as an integral part of a computer system.
  • the electronically readable control signals, in particular the program code are loaded into the computer system so that the computer system can perform the method.
  • a computer system is provided with a processing unit and a memory in which the computer program described above is stored or loaded, wherein the computer program is executed during operation of the computer system by its processing unit, so that in particular at least steps a) - d), especially preferably at least one additional step of the method described above for evaluating the effectiveness of a treatment of medical, in particular dental, hollow body instruments is executable.
  • a device for assessing the effectiveness of a preparation of medical, in particular dental, hollow body instruments which has a control unit with a computer system described above.
  • the device is designed to assess the effectiveness of a treatment of medical, especially dental, hollow body instruments. Further features of this device are described above.
  • the device for assessing the effectiveness of a treatment of medical, in particular dental, hollow body instruments is particularly preferably designed with a treatment device for at least one medical, in particular dental, hollow body instrument, connectable, connected or as an integral part of the treatment device, for example a sterilizer.
  • the invention is not limited to the exemplary embodiments described, but includes all embodiments that the principle, analogous operating principle of the invention apply or include. Furthermore, all features of all described and illustrated embodiments can be combined.

Abstract

L'invention concerne un procédé et un dispositif d'appréciation de l'efficacité d'une préparation d'instruments médicaux, en particulier dentaires, à corps creux, caractérisé par les étapes consistant à : a) saisir des données géométriques d'une zone de préparation d'un moyen de préparation destinée à recevoir l'instrument à corps creux et/ou au moins un instrument à corps creux, b) saisir au moins un paramètre de processus d'un milieu de préparation, c) simuler un flux d'au moins un milieu de préparation dans les données géométriques de la zone de préparation et/ou de l'instrument à corps creux et d) sortir les données générées de la simulation pour apprécier l'efficacité de la préparation des instruments.
PCT/EP2016/059500 2015-04-29 2016-04-28 Procédé et dispositif d'appréciation de l'efficacité d'une préparation d'instruments médicaux, en particulier dentaires, à corps creux WO2016174143A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15165594.1 2015-04-29
EP15165594 2015-04-29

Publications (1)

Publication Number Publication Date
WO2016174143A1 true WO2016174143A1 (fr) 2016-11-03

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PCT/EP2016/059500 WO2016174143A1 (fr) 2015-04-29 2016-04-28 Procédé et dispositif d'appréciation de l'efficacité d'une préparation d'instruments médicaux, en particulier dentaires, à corps creux

Country Status (1)

Country Link
WO (1) WO2016174143A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019116013A1 (de) * 2019-06-12 2020-12-17 Fresenius Medical Care Deutschland Gmbh Verfahren zum Ermitteln der Wirksamkeit eines Sterilisationsverfahrens für ein Medizinprodukt in einem Sterilisationsgerät, Datenverarbeitungsanlage, und Computerprogrammprodukt
CN113592260A (zh) * 2021-07-15 2021-11-02 广州市图鉴城市规划勘测设计有限公司 一种村庄空心化程度评估方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997029789A1 (fr) * 1996-02-16 1997-08-21 Steris Corporation Dispositif et procede de surveillance et de commande en temps reel de la sterilisation d'une charge et liberation parametrique
WO2014014424A1 (fr) * 2012-07-18 2014-01-23 Kozin Peter Procédé de contrôle de la stérilité d'un dispositif médical stérilisé et module de stérilisation pour exécuter ledit procédé

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997029789A1 (fr) * 1996-02-16 1997-08-21 Steris Corporation Dispositif et procede de surveillance et de commande en temps reel de la sterilisation d'une charge et liberation parametrique
WO2014014424A1 (fr) * 2012-07-18 2014-01-23 Kozin Peter Procédé de contrôle de la stérilité d'un dispositif médical stérilisé et module de stérilisation pour exécuter ledit procédé

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Computational fluid dynamics", WIKIPEDIA, 19 April 2015 (2015-04-19), XP055296218, Retrieved from the Internet <URL:https://en.wikipedia.org/w/index.php?title=Computational_fluid_dynamics&oldid=657168413> [retrieved on 20160818] *
LAU WEI LIANG ET AL: "Numerical modelling of an industrial steam-air sterilisation process with experimental", APPLIED THERMAL ENGINEERING, PERGAMON, OXFORD, GB, vol. 75, 22 September 2014 (2014-09-22), pages 122 - 134, XP029111669, ISSN: 1359-4311, DOI: 10.1016/J.APPLTHERMALENG.2014.09.031 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019116013A1 (de) * 2019-06-12 2020-12-17 Fresenius Medical Care Deutschland Gmbh Verfahren zum Ermitteln der Wirksamkeit eines Sterilisationsverfahrens für ein Medizinprodukt in einem Sterilisationsgerät, Datenverarbeitungsanlage, und Computerprogrammprodukt
CN113592260A (zh) * 2021-07-15 2021-11-02 广州市图鉴城市规划勘测设计有限公司 一种村庄空心化程度评估方法
CN113592260B (zh) * 2021-07-15 2023-12-08 广州市图鉴城市规划勘测设计有限公司 一种村庄空心化程度评估方法

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