DD292839A5 - METHOD AND DEVICE FOR STERILIZING SURGICAL INSTRUMENTS - Google Patents
METHOD AND DEVICE FOR STERILIZING SURGICAL INSTRUMENTS Download PDFInfo
- Publication number
- DD292839A5 DD292839A5 DD90338861A DD33886190A DD292839A5 DD 292839 A5 DD292839 A5 DD 292839A5 DD 90338861 A DD90338861 A DD 90338861A DD 33886190 A DD33886190 A DD 33886190A DD 292839 A5 DD292839 A5 DD 292839A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- container
- layer
- instruments
- surgical instruments
- liquid
- Prior art date
Links
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 4
- 239000011707 mineral Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 210000002268 wool Anatomy 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 238000004380 ashing Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- QXJJQWWVWRCVQT-UHFFFAOYSA-K calcium;sodium;phosphate Chemical compound [Na+].[Ca+2].[O-]P([O-])([O-])=O QXJJQWWVWRCVQT-UHFFFAOYSA-K 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- -1 refractory Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0491—Constructional details of means for attaching the control device
- B60C23/0496—Valve stem attachments positioned outside of the tyre chamber
-
- 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
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
-
- 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
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/12—Microwaves
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Measuring Fluid Pressure (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Die Erfindung betrifft die Sterilisation chirurgischer Instrumente innerhalb eines Mikrowellenofens in einem Behaelter, der auf dem Boden eine Schicht aus einem ersten Material zur Aufnahme verdampfungsfaehiger Fluessigkeiten sowie eine solche Fluessigkeit aufweist. Der Behaelter hat weiterhin einen nicht hermetisch schlieszenden Deckel und/oder solche Waende, die fuer die im Behaelter vorhandenen Fluessigkeiten wenig oder nicht durchlaessig sind. Um eine vollstaendige Zerstoerung (Veraschung) der eingebrachten Instrumente zu erreichen, enthaelt der Behaelter eine Schicht aus stark die Temperatur erhoehendem und die elektromagnetische Energie von Mikrowellen aufnehmendem zweitem Material, z. B. Stahlwolle, mineralische Pulver usw. Fig. 1{Sterilisierung; Instrumente, chirurgische; Mikrowellen; Mikrowellenofen}The invention relates to the sterilization of surgical instruments within a microwave oven in a container having on the floor a layer of a first material for receiving vaporizable liquids and such a liquid. The container further has a non-hermetically closing lid and / or such walls, which are little or not permeable to the fluids present in the container. In order to achieve a complete destruction (ashing) of the introduced instruments, the container contains a layer of high temperature increasing and the electromagnetic energy of microwaves receiving second material, eg. Steel wool, mineral powders, etc. Fig. 1 {sterilization; Instruments, surgical; microwaves; Microwave Oven}
Description
Hierzu 1 Seite ZeichnungenFor this 1 page drawings
Die Erfindung richtet sich auf ein Verfahren und eine Vorrichtung zur Behandlung von chirurgischen Instrumenten und dergleichen zur Sterilisation oder völligen oder teilweisen Vernichtung, insbesondere solcher Instrumente, die besonders geeignet sind, eine Ansteckung zu verursachen oder zu übertragen, wie z. B. Nadeln, spitze Instrumente, Einwegmesser und dergleichen.The invention is directed to a method and apparatus for the treatment of surgical instruments and the like for sterilization or total or partial destruction, in particular of such instruments, which are particularly suitable for causing or transmitting a contagion such. As needles, pointed instruments, disposable knives and the like.
Charakteristik des bekannten Standes der TechnikCharacteristic of the known state of the art
Es ist bekannt, daß sich mit Mikrowellen mittels eines Magnetron hohe Temperaturen erreichen lassen. Tatsächlich bewirken die hochfrequenten elektromagnetischen Wellen bei der Einwirkung auf Substanzen bei geeigneter chemischer Struktur der Substanzen Molekularschwingungen, die eine intensive und rasche Erwärmung erzeugen.It is known that high temperatures can be achieved with microwaves by means of a magnetron. In fact, when exposed to substances of suitable chemical structure, the high-frequency electromagnetic waves cause molecular vibrations which produce intense and rapid heating.
Die Anwendung eines solchen Systems mit Mikrowellen war bisher auf industrielle oder häusliche oder besondere Zwecke beschränkt, jedoch mit Einschränkungen, die aus der jeweiligen Materialstruktur herrühren.The use of such a system with microwaves has hitherto been limited to industrial or domestic or special purposes, but with limitations resulting from the particular material structure.
Es ist weiterhin bekannt, daß bakterien-, virus- und sporenerzeugende Kulturen durch die kombinierte, von Höchstfrequenzen hervorgerufene mechanisch-thermische Einwirkung zerstört werden.It is also known that bacterial, virus and spore-producing cultures are destroyed by the combined, caused by maximum frequencies mechanical-thermal action.
Anwendungsbeschränkungen der bekannten Verfahren ergeben sich nur bei bestimmten Materialien, wenn sich Verschlechterungs- oder Schädigungsmöglichkeiten ergeben. Beispielsweise werden, wenn eiserne chirurgische Instrumente aus metallischem Material in das Mikrowellenfeld eingebracht werden, dieselben glühend und können soweit brüchig werden, bis sie die Zugfestigkeit und Härtungseigenschaften, und infolgedessen die optimalen Schneidfähigkeiten, verlieren.Application restrictions of the known methods arise only with certain materials, if deterioration or damage possibilities arise. For example, when metallic surgical metal surgical instruments are inserted into the microwave field, they become glowing and may become so brittle that they lose the tensile strength and curing properties, and hence the optimum cutting capabilities.
Es ist das Ziel der Erfindung, eine schnelle und wirksame Sterilisationsmöglichkeit metallischer chirurgischer Instrumente zu entwickeln oder veraschbare Instrumente zu veraschen.It is the object of the invention to develop a rapid and effective sterilization capability of metallic surgical instruments or to incinerate incinerable instruments.
chirurgischer Instrumente oder dergleichen durchzuführen.surgical instruments or the like.
aus einem Material enthält, um unter Kapillarwirkung Flüssigkeit aufzunehmen, die der thermischen und elektromagnetischen Energie der Mikrowelle ausgesetzt ist. Dabei kann der Behälter außerdem längs den Wänden und/oder im Deckel eine Schicht aus einem Material aufweisen, um Flüssigkeit unter Kapillarwirkung aufzunehmen. Durch die einwirkenden Mikrowellen des Ofens führen alle Molekularstrukturen mit Doppelpolarität intensive Schwingungsbewegungen durch, wodurch über die innere Reibung Wärme erzeugt wird. Andererseits kann der Behälter in seinem Inneren mit Materialien belegt sein, welche die elektromagnetische Energie der Mikrowellen derart aufnehmen, daß chirurgische Instrumente durch Verbrennen zu Asche zerstört werden, insbesondere Instrumente, die geeignet sind, bei nochmaliger Anwendung eine Ansteckung zu verursachen oder zu übertragen, wie z. B. spitze Instrumente, Nadeln, Einwegmesser und dergleichen. Zu diesen im Behälter befindlichen Materialien gehören beispielsweise Mineralpulver, Stahlwolle oder Aluminiumspäne.made of a material to absorb under capillary liquid, which is exposed to the thermal and electromagnetic energy of the microwave. In this case, the container may also along the walls and / or in the lid have a layer of a material to receive liquid under capillary action. Due to the microwaves acting on the oven, all double-polarity molecular structures undergo intense vibrational motions, generating heat through the internal friction. On the other hand, the container may be internally filled with materials which receive the electromagnetic energy of the microwaves such that surgical instruments are destroyed by burning them to ashes, in particular instruments capable of causing or transmitting contagion when reused, such as z. As pointed instruments, needles, disposable knives and the like. These materials contained in the container include, for example, mineral powder, steel wool or aluminum shavings.
Die erfindungsgemäße Vorrichtung besteht somit aus einem Mikrowellen erzeugenden Ofen, der mit geeigneten Mitteln zum Betrieb, zur Regelung, Sicherheit und Kontrolle ausgestattet ist, ferner einem Behälter aus widerstandsfähigem Material gegen hohe Temperaturen sowie ein Deckel ohne Versiegelung und/oder mit schwammförmigen oder porösen Wänden, welcher die im Behälter gegebenenfalls enthaltenen Flüssigkeiten zurückbehalten oder langsam durchlassen kann mit einer auf dem Boden angeordneten Schicht, vorzugsweise aus Glaskugelchen oder dergleichen; oder er enthält eine vorzugsweise pulverförmige Schicht oder dergleichen, um metallische Instrumente über Wärmeleitung zerstören zu können.The device according to the invention thus consists of a microwave-generating oven equipped with suitable means for operation, control, safety and control, furthermore a container of resistant material against high temperatures and a lid without sealing and / or with spongy or porous walls, which may retain or slowly let through the liquids optionally contained in the container with a layer disposed on the bottom, preferably of glass spheres or the like; or it contains a preferably powdery layer or the like in order to destroy metallic instruments via heat conduction can.
Weitere Aufgaben und Vorteile ergeben sich aus der folgenden Beschreibung und der Zeichnung, die schematisch und beispielhaft eine Ausführungsform der Erfindung veranschaulichtOther objects and advantages will be apparent from the following description and the drawings, which illustrate schematically and by way of example an embodiment of the invention
Es zeigen Show it
enthält; Fig. 2: im Schnitt den Behälter, auf dessen Boden sich eine Schicht aus Glas-, Kunststoff- oder Keramikkügelchen oder anderemcontains; Fig. 2: in section the container on the bottom of which is a layer of glass, plastic or ceramic beads or other
geeignetem Material befindet; Fig. 3: im Schnitt denselben Behälter aus schwammförmigem oder porösem Material zum Aufnehmen oder Zurückhalten vonverdampfungsfähigen Flüssigkeiten.suitable material is located; Fig. 3: in section the same container of spongy or porous material for receiving or retaining vaporizable liquids.
nicht versiegeltem Deckel 5 eingesetzt.unsealed lid 5 is inserted.
und dergleichen gefertigt und enthält auf dem Boden 6 eine Schicht aus Glaskügelchen oder anderem Material zwecks Aufnahmeoder Zurückhaltung von verdampfungsfähigen Flüssigkeiten, die sich darin ansammeln. Alternativ kann ein solcher Behälterganz oder teilweise aus schwammförmigem Material oder einem porösen Gebilde 7 hergestellt werden. Das Material muß nurand the like, and includes on the bottom 6 a layer of glass beads or other material for receiving or retaining vaporizable liquids which accumulate therein. Alternatively, such a container may be made wholly or partly of spongy material or a porous structure 7. The material only has to
synthetischem oder natürlichem Material gefertigt werden, das für Flüssigkeiten absorptionsfähig sein muß, wobei eine solchesynthetic or natural material which must be absorbent for liquids, one such
organischen oder anorganischen oder einfachen hydroalkoholischen Lösungen bestehen kann.organic or inorganic or simple hydroalcoholic solutions can exist.
verdampfungsfähigen Flüssigkeiten im Inneren des Behälters gemäßigt wird, da der sich im Inneren des Behälters bildendeevaporates vaporizable liquids inside the container, since the forming inside the container
durch Mikrowellenenergie zerstört werden.be destroyed by microwave energy.
stark die Temperatur erhöhen, dann erreicht man die vollständige Zerstörung der chirurgischen Instrumente durch Verbrennenzu Asche. So werden z. B. Nadeln, Einwegmesser und dergleichen und auch ihre gegebenenfalls noch vorhandene Schutzhülleverascht.greatly increase the temperature, then one achieves the complete destruction of the surgical instruments by burning them to ashes. So z. As needles, disposable knives and the like and also their possibly still existing Schutzhülleas ash.
chirurgischen Instrumenten und dergleichen und zum anderen die vollständige Zerstörung durch Verbrennen zu Asche, wodurchsurgical instruments and the like and on the other hand the complete destruction by burning into ashes, whereby
zugehörige Abwandlungen, die als solche in diesen Rahmen fallen.associated modifications that fall within this framework as such.
Claims (8)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8903390A IT1234037B (en) | 1989-03-21 | 1989-03-21 | IMPROVEMENT IN THE METHOD OF STERILIZATION OF SURGICAL AND SIMILAR INSTRUMENTS, IN PARTICULAR FOR THE DESTRUCTION OF THOSE AT RISK OF CONTAGION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD292839A5 true DD292839A5 (en) | 1991-08-14 |
Family
ID=11106223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD90338861A DD292839A5 (en) | 1989-03-21 | 1990-03-19 | METHOD AND DEVICE FOR STERILIZING SURGICAL INSTRUMENTS |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPH039760A (en) |
| CN (1) | CN1025152C (en) |
| AT (1) | AT396551B (en) |
| AU (1) | AU632317B2 (en) |
| BE (1) | BE1003117A5 (en) |
| BR (1) | BR9001439A (en) |
| CA (1) | CA2010359A1 (en) |
| CH (1) | CH677733A5 (en) |
| CZ (1) | CZ280123B6 (en) |
| DD (1) | DD292839A5 (en) |
| DE (1) | DE3928318A1 (en) |
| DK (1) | DK170659B1 (en) |
| ES (1) | ES2027476A6 (en) |
| FR (2) | FR2650074A3 (en) |
| GB (1) | GB2230449B (en) |
| GR (1) | GR900100194A (en) |
| IL (1) | IL93452A (en) |
| IT (1) | IT1234037B (en) |
| NL (1) | NL9000568A (en) |
| PT (1) | PT93510B (en) |
| RU (1) | RU2001630C1 (en) |
| SE (1) | SE9000990L (en) |
| YU (1) | YU47768B (en) |
| ZA (1) | ZA902022B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2718156B1 (en) * | 1994-03-30 | 1996-09-20 | Georges Mireur | Heated crockery with cold grips. |
| US5552112A (en) * | 1995-01-26 | 1996-09-03 | Quiclave, Llc | Method and system for sterilizing medical instruments |
| US5607612A (en) * | 1994-10-07 | 1997-03-04 | Quiclave, L.L.C. | Container for microwave treatment of surgical instrument with arcing prevention |
| US5645748A (en) * | 1994-10-07 | 1997-07-08 | Quiclave, L.L.C. | System for simultaneous microwave sterilization of multiple medical instruments |
| DE19544392A1 (en) * | 1994-11-15 | 1996-07-11 | Gorbahn Fritz Dr Med | Steriliser for medical instruments, implants etc. |
| US7549564B2 (en) * | 2007-06-22 | 2009-06-23 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument with an articulating end effector |
| US7798386B2 (en) * | 2007-05-30 | 2010-09-21 | Ethicon Endo-Surgery, Inc. | Surgical instrument articulation joint cover |
| CN103939958A (en) * | 2014-04-27 | 2014-07-23 | 广东格兰仕微波炉电器制造有限公司 | Microwave oven capable of detoxifying fruits and vegetables and control method of microwave oven |
| DE102014224714B4 (en) * | 2014-12-03 | 2017-01-26 | Olympus Winter & Ibe Gmbh | Method and device for processing surgical instruments |
| CN109282634B (en) * | 2018-10-18 | 2023-07-21 | 楚天科技股份有限公司 | Air door sling isolating device of tunnel oven |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1133371B (en) * | 1980-11-04 | 1986-07-09 | Elettronica Liarre Snc Di Zamb | DEVICE FOR STERILIZATION OF SURGICAL TOOLS AND INSTRUMENTS |
| DE3583595D1 (en) * | 1984-12-25 | 1991-08-29 | Ebara Corp | METHOD AND DEVICE FOR TREATING WASTE MATERIAL. |
| US5039495A (en) * | 1988-04-21 | 1991-08-13 | Flexiclave, Inc. | Apparatus for sterilizing articles such as dental handpieces |
| GB2225522B (en) * | 1988-07-01 | 1992-09-30 | Alexander Stephen Anderson | Surface abrasive treatment of small objects |
-
1989
- 1989-03-21 IT IT8903390A patent/IT1234037B/en active
- 1989-08-26 DE DE3928318A patent/DE3928318A1/en active Granted
-
1990
- 1990-02-19 CA CA002010359A patent/CA2010359A1/en not_active Abandoned
- 1990-02-20 IL IL9345290A patent/IL93452A/en not_active IP Right Cessation
- 1990-02-22 CH CH590/90A patent/CH677733A5/it not_active IP Right Cessation
- 1990-03-05 FR FR9002716A patent/FR2650074A3/en not_active Withdrawn
- 1990-03-08 DK DK060090A patent/DK170659B1/en not_active IP Right Cessation
- 1990-03-09 CN CN90101304A patent/CN1025152C/en not_active Expired - Fee Related
- 1990-03-09 AT AT0057390A patent/AT396551B/en not_active IP Right Cessation
- 1990-03-13 NL NL9000568A patent/NL9000568A/en not_active Application Discontinuation
- 1990-03-15 GR GR900100194A patent/GR900100194A/en unknown
- 1990-03-16 BE BE9000298A patent/BE1003117A5/en not_active IP Right Cessation
- 1990-03-16 ZA ZA902022A patent/ZA902022B/en unknown
- 1990-03-19 GB GB9006143A patent/GB2230449B/en not_active Expired - Fee Related
- 1990-03-19 DD DD90338861A patent/DD292839A5/en not_active IP Right Cessation
- 1990-03-20 YU YU54790A patent/YU47768B/en unknown
- 1990-03-20 BR BR909001439A patent/BR9001439A/en unknown
- 1990-03-20 FR FR909003544A patent/FR2644698B1/en not_active Expired - Fee Related
- 1990-03-20 SE SE9000990A patent/SE9000990L/en not_active Application Discontinuation
- 1990-03-20 RU SU904743492A patent/RU2001630C1/en active
- 1990-03-20 CZ CS901364A patent/CZ280123B6/en unknown
- 1990-03-20 PT PT93510A patent/PT93510B/en not_active IP Right Cessation
- 1990-03-21 ES ES9000815A patent/ES2027476A6/en not_active Expired - Fee Related
- 1990-03-21 AU AU52080/90A patent/AU632317B2/en not_active Ceased
- 1990-03-22 JP JP2073191A patent/JPH039760A/en active Pending
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