DE2911565A1 - Sterilising appts. for small medical instruments - has battery powered circuit for short heating of instruments, using induction coil - Google Patents

Sterilising appts. for small medical instruments - has battery powered circuit for short heating of instruments, using induction coil

Info

Publication number
DE2911565A1
DE2911565A1 DE19792911565 DE2911565A DE2911565A1 DE 2911565 A1 DE2911565 A1 DE 2911565A1 DE 19792911565 DE19792911565 DE 19792911565 DE 2911565 A DE2911565 A DE 2911565A DE 2911565 A1 DE2911565 A1 DE 2911565A1
Authority
DE
Germany
Prior art keywords
induction coil
instruments
sterilising
appts
circuit
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.)
Withdrawn
Application number
DE19792911565
Other languages
German (de)
Inventor
Rudolf Dipl Phys Paulus
Eduard Ing Grad Wagensonner
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Priority to DE19792911565 priority Critical patent/DE2911565A1/en
Publication of DE2911565A1 publication Critical patent/DE2911565A1/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04Heat

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Treatment Devices (AREA)

Abstract

Sterilising appts. primarily intended for very small instruments, such as acupuntures needles, dental drills, etc. has a circuit for very short heating of the instruments, e.g. for several seconds only. It uses an induction coil, into which the instrument is axially insertable. Pref. between the induction coil and the instrument is provided an insulating cylinder. Circuit may be battery supplied and may consist of an inductive feedback circuit with a high frequency generator, contg. a transistor. The generator output is decoupled via a resistor and fed to a power stage with a second transistor and the induction coil. A portable sterilising appts. is provided offering immediate sterilisation under any conditions.

Description

Sterilisiervorrichtung für medizinische KleinistrumenteSterilizing device for small medical instruments

Die Erfindung bezieht sich auf eine Sterilisiervorrichtung für medizinische Kleininstrumente, wie Ak,uplrnkturnadeln, Zahnbohrer und dergleichen.The invention relates to a sterilizing device for medical Small instruments such as Ak, implant needles, dental drills and the like.

Der Erfindung liegt die Aufgabe zugrunde, eine Sterilisiervorrichtung für medizinische Kleininstrumente zu schaffen, die gegenüber bekannten Sterilisiervorrichtungen nur einen geringen baulichen Aufwand und Platzbedarf erfordert und eine Sterilisierung der medizinischen Kleininstrumente in extrem kurzer Zeit, während lediglich einiger Sekunden, ermöglicht.The invention is based on the object of a sterilizing device for small medical instruments to create compared to known sterilization devices requires only a small structural effort and space requirement and sterilization of small medical instruments in an extremely short time, while only a few Seconds, made possible.

Diese Aufgabe wird bei der Sterilisiervorrichtung der eingangs genannten Art erfindungsgemäß gelöst durch eine Schaltungsanordnung zur kurzzeitigen Erwärmung der Kleininstrumente während weniger Sekunden mittels einer Induktionsspuje'längs deren Achse das Kleininstrument einbringbar ist.In the case of the sterilization device, this task becomes the one mentioned at the beginning Type solved according to the invention by a circuit arrangement for brief heating of the small instruments for a few seconds by means of an induction spuje'longitudinal the axis of which the small instrument can be introduced.

Die Temperatur liegt vorzugsweise im Bereich von 2500 C.The temperature is preferably in the range of 2500 C.

Aufgrund der Einwirkzeit und der Strahlungsleistung ist die Temperatur ohne weiteres an die jeweiligen Anorderungen anpaßbar.Due to the exposure time and the radiation power, the temperature easily adaptable to the respective requirements.

Gemäß einer Ausführungsform der Sterilisiervorrichtung liegt zwischen der Induktionsspule und dem medizinischen Kleininstrument ein Isolierzylinder, um eine Berührung zwischen der Induktionsspule und dem metallischen Kleininstrument zu verhindern.According to one embodiment of the sterilization device is between the induction coil and the small medical instrument an insulating cylinder to a contact between the induction coil and the small metal instrument to prevent.

Gemäß einer weiteren Ausführungsform der Erfindung erfolgt die Speisung der Schaltungsanordnung über eine Trockenbatterie, wodurch ein tragbares, kostengünstiges, minimale Abmessungen aufweisendes Gerät erhalten wird, das in allen Situationen eine nahezu sofortiq<! Sterilisierung eines medizinischen Kleininstrumentes ermöglicllt, während bekannte Sterilisiergeräte selbst in der kleinsten Ausführung, wie sie für Diabetikerinjektionsspritzen verwendet werden, ein Auskochen der Nadeln während etwa einer 1/2 Stunde erfordern, und selbst bei Heißluftsterilisation, die mit einer Erwärmung von etwa 180°C arbeiten, wesentlich länger dauernde Sterilisationszeiten notwendig sind.According to a further embodiment of the invention, the feed takes place the circuit arrangement via a dry battery, creating a portable, inexpensive, device having minimal dimensions is obtained, which in all situations an almost instant iq <! Enables sterilization of a small medical instrument, while known sterilizers even in the smallest version, as they are for Diabetic hypodermic syringes are used during a decoction of the needles require about a 1/2 hour, and even with hot air sterilization with a Warming of about 180 ° C work, much longer sterilization times are necessary.

Vorteilhaft besteht die Schaltungsanordnung aus einer induktiven Rückkopplungsschaltung, wobei die induktive Rückkopplungsschaltung einen einen Transistor enthaltenden HF-Generator aufweist, dessen HF-Leistung über einen Widerstand ausgekoppelt und einer Leistungsstufe zugeführt wird, die einen weiteren Transistor und die Induktionsspule enthält.The circuit arrangement advantageously consists of an inductive feedback circuit, wherein the inductive feedback circuit comprises an RF generator including a transistor has, whose RF power is decoupled via a resistor and a power stage is supplied, which contains a further transistor and the induction coil.

Die Erfindung ist im folgenden anhand der Zeichnung näher beschrieben. In der Zeichnung zeigen; Fig. 1 ein Schaltbild einer bevorzugten Ausführungsform der Sterilisiervorrichtung, und Fig. 2 eine perspektivische Darstellung der Induktionsspule der Anordnung mit einem eingeführten medizinischen Kleininstrument.The invention is described in more detail below with reference to the drawing. Show in the drawing; Fig. 1 is a circuit diagram of a preferred embodiment of the sterilizing device, and FIG. 2 shows a perspective view of the induction coil the arrangement with an introduced small medical instrument.

Die Schaltungsanordnung nach Fig. 1 stellt eine batteriebetriebene induktive Rückkopplungsschaltung dar, die entsprechend einer Meißner-Schaltung aufgebaut ist und sich für Batteriebetrieb eignet. Beim Schließen eines Schalters S wird ein HF-Oszillator in Betrieb genommen, der beispielsweise mit 27 NHz betrieben wird und aus einem Transistor T7, Widerst;inden Ri, R2, Kondensatoren C1 und C2 und Induktivitäten L1, L2 und L3 besteht.The circuit arrangement according to FIG. 1 represents a battery-operated one inductive feedback circuit, which is constructed according to a Meissner circuit and is suitable for battery operation. When a switch S is closed, a HF oscillator put into operation, which is operated, for example, at 27 NHz and a transistor T7, resistors Ri, R2, capacitors C1 and C2 and inductors L1, L2 and L3 exist.

Die Hochfrequenzleistung wird über einen Widerstand R3 ausgekoppelt und einer Leistungsstufe zugeführt, die aus einem weiteren Transistor T2 und einer Induktivität L4 zusammengesetzt ist. Die Induktivität L4 ist als offene Induktionsspule ausgebildet, längs deren Achse ein medizinisches Kleininstrument 2 einführbar ist, das sich durch die induzierten Wirbelströme sehr schnell so weit erhitzt, daß eine wirksame Sterilisierung innerhalb weniger Sekunden möglich ist.The high-frequency power is coupled out via a resistor R3 and a power stage, which consists of a further transistor T2 and a Inductance L4 is composed. The inductance L4 is an open induction coil formed, along the axis of which a small medical instrument 2 can be inserted, which heats up very quickly by the induced eddy currents that a effective sterilization is possible within a few seconds.

Zur Energieeinsparung und Leistungsanpassung kann anstelle des Schalters S ein elektronischer Zeitschalter bekannter Art verwendet werden. Die Rückkopplung zwischen den Induktivitäten L1 und L2 ist in Fig.1 durch den Pfeil 1 angedeutet.In order to save energy and adjust power, the switch can be used instead S an electronic time switch of known type can be used. The feedback between the inductances L1 and L2 is indicated by the arrow 1 in FIG.

In Fig. 2 ist als Beispiel eines medizinischen Kleininstrumentes eine Akkupunkturnadel 2 mit einem Griffteil 3 dargestellt, wobei die AkkupunkturnadS 12 Mrch einen Isolierzylinder 4 gegen eine direkte Berührung mit der als Heizspule wirkenden Induktivität L4 geschützt ist.In Fig. 2 is an example of a small medical instrument Accupuncture needle 2 shown with a handle part 3, the acupuncture needle 12 Mrch an insulating cylinder 4 against direct contact with the heating coil acting inductance L4 is protected.

Weitere Ausgestaltungen der Erfindung sind für den Fachmann offensichtlich. Insbesondere ist es möglich, eine Vielzahl von Spulen in nebeneinander liegenden Reihen vorzusehen, so daß eine größere Anzahl von Akkupunkturnadeln gleichzeitig sterilisiert werden kann. Ferner können regelbare Einstellvorrichtungen zur Strombegrenzung vorgesehen sein, durch welche der Strom abhängig von der Querschnittsgröße der zu sterilisierenden Instrumente auf einen vorgegebenen Maximalwert begrenzt wird, damit eine maximal zulässige spezifische Strombelastung nicht überschritten wird.Further refinements of the invention are obvious to the person skilled in the art. In particular, it is possible to have a large number of coils lying next to one another Provide rows so that a greater number of acupuncture needles can be used simultaneously can be sterilized. In addition, adjustable setting devices can be used to limit the current be provided through which the current depends on the cross-sectional size the instruments to be sterilized are limited to a specified maximum value so that a maximum permissible specific current load is not exceeded will.

Claims (5)

PatentansPrüche: 1. Sterilisiervorrichtung für medizinische Eleinsnstrumente wie Akupunkturnadeln, Zahnbohrer und dergleichen, gekennzeichnet durch eine Schaltungsanordnung zur kurzzeitigen Erwärmung der Kleininstrumente (2) während weniger Sekunden mittels einer Induktionsspule (L4),längs deren Achse das Eleininstrument einbringbar ist.Claims: 1. Sterilizing device for medical instruments such as acupuncture needles, dental drills and the like, characterized by a circuit arrangement for brief heating of the small instruments (2) for a few seconds using an induction coil (L4), along whose axis the Eleininstrument can be introduced. 2. Sterilisiervorrichtung nach anspruch 1, dadurch gekennzeichnet, daß zwischen der Induktionsspule (L4) und dem Kleininstrument (2) ein Isolierzylinder (4) liegt.2. Sterilizing device according to claim 1, characterized in that that between the induction coil (L4) and the small instrument (2) an insulating cylinder (4) lies. 3. Sterilisiervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Stromversorgung der Schaltungsanordnung über eine Trockenbatterie erfolgt.3. Sterilizing device according to claim 1, characterized in that that the power supply of the circuit arrangement takes place via a dry battery. 4. Sterilisiervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Schaltungsanordnung aus einer induktiven Rückkoppelungsschaltung besteht.4. Sterilizing device according to claim 1, characterized in that that the circuit arrangement consists of an inductive feedback circuit. 5. Sterilisiervorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die induktive Rückkoppelungsschaltung einen einen Transistor (21) enthaltenden EF-Generator auf weist, dessen HF-Leistung über einen Widerstand (R3) ausgekoppelt und einer Leistungsstufe zugeführt wird, die einen weiteren Transistor (T2) und die Induktionsspule (1) enthält.5. Sterilizing device according to claim 4, characterized in that that the inductive feedback circuit one a transistor (21) containing EF generator has, its RF power via a resistor (R3) is decoupled and fed to a power stage, which has a further transistor (T2) and the induction coil (1).
DE19792911565 1979-03-23 1979-03-23 Sterilising appts. for small medical instruments - has battery powered circuit for short heating of instruments, using induction coil Withdrawn DE2911565A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19792911565 DE2911565A1 (en) 1979-03-23 1979-03-23 Sterilising appts. for small medical instruments - has battery powered circuit for short heating of instruments, using induction coil

Applications Claiming Priority (1)

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DE19792911565 DE2911565A1 (en) 1979-03-23 1979-03-23 Sterilising appts. for small medical instruments - has battery powered circuit for short heating of instruments, using induction coil

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DE2911565A1 true DE2911565A1 (en) 1980-09-25

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123400A1 (en) * 1980-06-13 1982-05-19 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa MAGNETIC TAPE RECORDER
US4492840A (en) * 1980-03-01 1985-01-08 August Lex Apparatus for inductively heating metallic medical and dental tools
US5613505A (en) * 1992-09-11 1997-03-25 Philip Morris Incorporated Inductive heating systems for smoking articles
US8402976B2 (en) 2008-04-17 2013-03-26 Philip Morris Usa Inc. Electrically heated smoking system
WO2013101631A3 (en) * 2011-12-28 2013-10-31 Abbott Laboratories Methods and apparatus to reduce biological carryover using induction heating
US9439454B2 (en) 2008-03-14 2016-09-13 Philip Morris Usa Inc. Electrically heated aerosol generating system and method
US11065352B2 (en) 2016-12-22 2021-07-20 Abbott Laboratories Inductive heating systems and methods of controlling the same to reduce biological carryover
WO2023287387A3 (en) * 2021-07-14 2023-03-16 Ecotech Bi̇yoteknoloji̇ Araştirma Geli̇şti̇rme Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ A sterilization device working with the principle of induction heating

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492840A (en) * 1980-03-01 1985-01-08 August Lex Apparatus for inductively heating metallic medical and dental tools
DE3123400A1 (en) * 1980-06-13 1982-05-19 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa MAGNETIC TAPE RECORDER
US5613505A (en) * 1992-09-11 1997-03-25 Philip Morris Incorporated Inductive heating systems for smoking articles
US11832654B2 (en) 2008-03-14 2023-12-05 Philip Morris Usa Inc. Electrically heated aerosol generating system and method
US11224255B2 (en) 2008-03-14 2022-01-18 Philip Morris Usa Inc. Electrically heated aerosol generating system and method
US9439454B2 (en) 2008-03-14 2016-09-13 Philip Morris Usa Inc. Electrically heated aerosol generating system and method
US10398170B2 (en) 2008-03-14 2019-09-03 Philip Morris Usa Inc. Electrically heated aerosol generating system and method
US9848655B2 (en) 2008-03-14 2017-12-26 Philip Morris Usa Inc. Electrically heated aerosol generating system and method
US8402976B2 (en) 2008-04-17 2013-03-26 Philip Morris Usa Inc. Electrically heated smoking system
US8851081B2 (en) 2008-04-17 2014-10-07 Philip Morris Usa Inc. Electrically heated smoking system
US10966459B2 (en) 2008-04-17 2021-04-06 Altria Client Services Llc Electrically heated smoking system
CN107277956A (en) * 2011-12-28 2017-10-20 雅培制药有限公司 The method and apparatus that biological carrying is reduced using sensing heating
CN112641960A (en) * 2011-12-28 2021-04-13 雅培制药有限公司 Method and apparatus for reducing bio-entrainment using induction heating
US9686824B2 (en) 2011-12-28 2017-06-20 Abbott Laboratories Methods and apparatus to reduce biological carryover using induction heating
US9974872B2 (en) 2011-12-28 2018-05-22 Abbott Laboratories Methods and apparatus to reduce biological carryover using induction heating
CN104136046B (en) * 2011-12-28 2017-06-09 雅培制药有限公司 The method and apparatus that biological carrying is reduced using sensing heating
CN107277956B (en) * 2011-12-28 2021-02-05 雅培制药有限公司 Method and apparatus for reducing bio-entrainment using induction heating
US9073094B2 (en) 2011-12-28 2015-07-07 Abbott Laboratories Methods and apparatus to reduce biological carryover using induction heating
EP3213772A1 (en) * 2011-12-28 2017-09-06 Abbott Laboratories Methods and apparatus to reduce biological carryover using induction heating
WO2013101631A3 (en) * 2011-12-28 2013-10-31 Abbott Laboratories Methods and apparatus to reduce biological carryover using induction heating
CN104136046A (en) * 2011-12-28 2014-11-05 雅培制药有限公司 Methods and apparatus to reduce biological carryover using induction heating
US11452787B2 (en) 2011-12-28 2022-09-27 Abbott Laboratories Methods and apparatus to reduce biological carryover using induction heating
CN112641960B (en) * 2011-12-28 2023-01-06 雅培制药有限公司 Method and apparatus for reducing bio-entrainment using induction heating
US11065352B2 (en) 2016-12-22 2021-07-20 Abbott Laboratories Inductive heating systems and methods of controlling the same to reduce biological carryover
WO2023287387A3 (en) * 2021-07-14 2023-03-16 Ecotech Bi̇yoteknoloji̇ Araştirma Geli̇şti̇rme Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ A sterilization device working with the principle of induction heating

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