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WO1993013861A1 - Appareil pour le traitement d'instruments medicaux usages - Google Patents

Appareil pour le traitement d'instruments medicaux usages Download PDF

Info

Publication number
WO1993013861A1
WO1993013861A1 PCT/FI1993/000012 FI9300012W WO9313861A1 WO 1993013861 A1 WO1993013861 A1 WO 1993013861A1 FI 9300012 W FI9300012 W FI 9300012W WO 9313861 A1 WO9313861 A1 WO 9313861A1
Authority
WO
WIPO (PCT)
Prior art keywords
instruments
waste
crushing
crushed
crushing rollers
Prior art date
Application number
PCT/FI1993/000012
Other languages
English (en)
Inventor
Tapio Myllynen
Original Assignee
Tapio Myllynen
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 Tapio Myllynen filed Critical Tapio Myllynen
Publication of WO1993013861A1 publication Critical patent/WO1993013861A1/fr

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
    • A61L11/00—Methods specially adapted for refuse
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
    • B02C19/0075—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for specially adapted for disintegrating medical waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy

Definitions

  • the invention relates to an apparatus for processing used medical instruments, defined in the introductory section of the independent patent claim, particularly for disinfecting, crushing and collecting such used instruments as disposable injection needles and hypodermic syringes, small surgical instruments, ampules, phials and operating knives.
  • used medical instruments defined in the introductory section of the independent patent claim, particularly for disinfecting, crushing and collecting such used instruments as disposable injection needles and hypodermic syringes, small surgical instruments, ampules, phials and operating knives.
  • the object of the present invention is to introduce a new waste processor, where the above men ⁇ tioned drawbacks can be avoided.
  • the waste processor of the invention is cha ⁇ racterized by the novel features enlisted in the patent claims.
  • An advantage of the invention is that the waste processor is fairly light in structure but effec ⁇ tive in crushing power and speed and safe in operation. and also - owing to its bacteria lock - suited for the destruction of solid, disposable medical utensils.
  • Another advantage of the invention is that the instruments to be crushed do not have to be treated manually, but they are fed, in suitable batches, on the dosing feeder of the waste processor, wherefrom they are further conveyed to the treatment of the processing rollers.
  • Another advantage of the invention is that by means of the crushing rollers, the waste can be crushed into very small particles, which can be tightly packed in a compact space to be further transferred to waste treatment.
  • the material processed in the the waste processor is advantageously condensed to 10% of the original volume.
  • a thousand liters of disposable syringes and other such material can in the waste processor be condensed into a hundred liters of waste to be transported to a dumping area.
  • the lump size of the waste is advantageously in the order of 8 mm.
  • Yet another advantage of the invention is that during operation, the apparatus is tightly closed both at the inlet and outlet openings, so that, hazar ⁇ dous dust and/or vapours are not discharged into sur ⁇ rounding air.
  • Yet another advntage of the invention is that the machinery proper of the apparatus is easy to clean both inside and out.
  • figure 1 is a front-view illustration of a waste pro ⁇ cessor of the invention, where the side plates of the apparatus are removed for the sake of clarity;
  • figure 2 is a cross-sectioij A-A of the apparatus of figure 1;
  • figure 3 illustrates the crushing rollers seen from the top;
  • figure 4 illustrates the cross-section B-B of the crus- hing rollers of figure 3.
  • the waste processor comprises a housing 1 provided with legs 2 and casing 3. Inside the casing 3, there is located the processing equipment proper.
  • the casing 3 covers the apparatus from top to bottom, but in figures 1 and 2, the side plates 28 of the ca ⁇ sing, covering the waste container 20, are removed for the sake of illustrative clarity.
  • the legs 2 are provided with rollers 4 in order to facilitate the moving of the apparatus.
  • the top part of the casing 3 is provided with an aperture 5 which opens to the feed chute 6.
  • the aperture 5 is also provided with a lid 7. Most advan ⁇ tageously, the lid 7 is provided with hinges and there ⁇ by articulated to one edge of the aperture 5, as is illustrated with dotted lines in figure 2. The lid 7 closes tightly over the aperture 5 and the feed chute 6.
  • the lid 7 is provided with a safety switch, which prevents the apparatus from starting operation while the lid 7 is open.
  • a dosing feeder 8 In the feed chute 6, there is arranged a dosing feeder 8.
  • the dosing feeder 8 is formed of a dosing plate 9 or other such member and of an actuator 10, such as an electric turning motor. By means of the turning motor 10, the dosing plate 9 is turned from position C to position D and back.
  • a disinfecting unit 11 which is most advanta- geously located above the dosing plate 9 of the dosing feeder 8.
  • the disinfecting unit 11 comprises a liquid container 27 provided with pump, and nozzles 12, which are directed to the feed chute 6. Underneath the feed chute 6, there are arran ⁇ ged the crushing rollers 13; 13a, 13b.
  • the crushing rollers are provided with exactly matching transversal grooves 14; 14a, 14b.
  • the protruding rings 15; 15a, 15b in between the grooves are respectively provided with dents 16.
  • both crushing rollers 13; 13a, 13b there are arranged counterblades 17; 17a, 17b, and the protrusions provided therein are arranged to match the grooves 14 of the crushing rol ⁇ lers 13; 13a, 13b.
  • the crushing rollers 13; 13a, 13b and the counterblades 17; 17a, 17b, are replaceable.
  • the crushing rollers 13; 13a, 13b are operated by means of the actuating motor 25, advantageously an electric motor, which is most advantageously provided with sui ⁇ table gear transmission.
  • the waste processor advantageously comprises a supporting shelf 21 for the waste container 20 as well as a lifting and locking device 22 for lifting the shelf 21 and the waste con ⁇ tainer 20 tightly against the discharge outlet 19 and for locking it into place.
  • the lifting and locking device 22 is realized by means of a lever 23 and a hoist plate 24.
  • the waste container 20 is located inside the casing 3, in the protection of the side plates 28 (il ⁇ lustrated by dotted lines in figures 1 and 2), as was maintained above.
  • a hatch (not illustrated in the drawings) for inserting and removing the waste container 20, which hatch is provided with a safety switch in similar fashion as the lid 7.
  • the safety switch pre ⁇ vents the starting of the apparatus.
  • the waste processor of the invention is ope ⁇ rated as follows.
  • An empty waste container 20 is loca- ted on the supporting shelf 21, on top of the hoist plate 24.
  • the hoist plate 24 complete with the waste container 20 are lifted and pressed against the outlet 19, in which position it is locked. Now the waste container 20 is tightly pressed against that part of the housing which is located around the outlet 19. This creates an effective lock for the bacteria.
  • the crushing device is now ready for use.
  • the lever 23 is turned to the opposite position, so that the hoist plate 24 is lowered together with the waste container, whereafter the waste container 20 is easily removed.
  • the medical instruments and similar products to be crushed are first fed into the waste processor by opening the lid 7 of the feed chute 6 and by placing a suitable amount of the instruments to be crushed on the dosing plate 9 of the dosing feeder 8. Thereafter the lid 7 is closed. Now the lid 7 tightly closes the aperture of the feed chute 6, and a bacteria lock is created in the aperture 5 of the feed chute.
  • the waste processor is started by pressing the control key 26, which is advantageously arranged on the side of the apparatus, in the casing 3.
  • the turning motor 10 of the dosing feeder 8 is started, together with the actuating motor 25 of the crushing rollers 13.
  • the dosing plate 9 is turned from horizontal position C to vertical position D, so that the instruments to be crushed which are placed thereon fall into the feed chute 6 and further onto the crus ⁇ hing rollers 13; 13a, 13b located below the feed chute.
  • the actuating motor 25 of the crushing rol- lers 13 rotates the crushing rollers 13a, 13b into opposite directions by means of suitable axes and gea ⁇ rings.
  • the crushing rollers 13; 13a, 13b grind the hypodermic syringes and needles and other such instru- ments in between the teeth 16 protruding from the rings 15; 15a, 15b and the grooves 14; 14a, 14b into crushed waste with a fairly small particle size, which waste is then dropped to below the rollers 13; 13a, . 13b and further to the waste container 20 through the outlet 19.
  • the disinfecting unit 11 sprays a suitable disinfectant through the nozzles 12 onto the instru ⁇ ments to be crushed on the dosing plate 9 of the dosing feeder 8.
  • a suitable disinfectant When the said instruments fall on the crus- hing rollers 13 and are then crushed in between them, the disinfectant is spread among the crushed waste, thus disinfecting it simultaneously. Consequently, the waste falling in the waste container 20 from the rol ⁇ lers 13 is fairly evenly treated with disinfectant and is turned into non-hazardous waste which can be trans ⁇ ferred to a normal dumping area.
  • the dosing plate 9 is automatically returned to regular position B, and the actuating motor 10 of the dosing feeder as well as the actuating motor 25 of the crus ⁇ hing rollers 13 are stopped. Now the apparatus is ready for a new working cycle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • 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)
  • Environmental & Geological Engineering (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing Of Solid Wastes (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

L'invention se rapporte à un appareil pour le traitement d'instruments médicaux usagés, notamment pour la désinfection, le broyage et la collecte de tels instruments usagés, comme aiguilles d'injection et seringues hypodermiques jetables, petits instruments chirurgicaux, ampoules, fioles et lames de bistouri. Cet appareil de traitement de déchets comprend une enceinte (1) pourvue d'une ouverture (5) fermée par un couvercle (7) et d'une goulotte d'alimentation (6) servant à acheminer les instruments dans l'appareil, ainsi qu'un orifice de sortie (19) pour décharger les déchets broyés de l'appareil jusque dans le conteneur à déchets (20); et des cylindres broyeurs (13a, 13b) qui sont disposés à l'intérieur de l'enceinte (1) et entre lesquels sont broyés les instruments. Selon la présente invention, les cylindres broyeurs (13a, 13b) comportent des fentes transversales et des anneaux avec dents qui s'adaptent entre eux. L'appareil comprend également des couteaux antagonistes (17a, 17b) s'adaptant dans les fentes des cylindres broyeurs (13a, 13b) pour que ceux-ci puissent être nettoyés des déchets de broyage; un alimentateur doseur (8), qui comporte un plateau de dosage tournant (9) et qui est disposé dans la goulotte d'alimentation (6) de façon à acheminer les instruments à broyer sur les cylindres broyeurs (13a, 13b); ainsi qu'une unité de désinfection (11) qui est placée au-dessus des cylindres broyeurs (13a, 13b) et qui sert à pulvériser un désinfectant sur les instruments à broyer.
PCT/FI1993/000012 1992-01-15 1993-01-15 Appareil pour le traitement d'instruments medicaux usages WO1993013861A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FIU920051 1992-01-15
FI920051U FI101U1 (fi) 1992-01-15 1992-01-15 Krossanordning

Publications (1)

Publication Number Publication Date
WO1993013861A1 true WO1993013861A1 (fr) 1993-07-22

Family

ID=8533835

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1993/000012 WO1993013861A1 (fr) 1992-01-15 1993-01-15 Appareil pour le traitement d'instruments medicaux usages

Country Status (2)

Country Link
FI (1) FI101U1 (fr)
WO (1) WO1993013861A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5758573A (en) * 1996-06-13 1998-06-02 International Paper Company Paperboard carton piercing, crushing and recycling system
US5928948A (en) * 1997-03-10 1999-07-27 Steris Corporation Method for the assessment and validation of cleaning processes
EP1314444A1 (fr) * 2001-11-27 2003-05-28 SCHLEICHER & Co. INTERNATIONAL AKTIENGESELLSCHAFT Dipositif de destruction d'appareils de petite taille et procédé de destruction de petits appareils contaminés
NL2006490C2 (nl) * 2011-03-30 2012-10-02 Shredx B V Inrichting en werkwijze voor het verkleinen van afval.
WO2012134289A1 (fr) 2011-03-30 2012-10-04 Shredx B.V. Dispositif pour le broyage et la décharge de déchets domestiques et/ou médicaux à grande échelle dans un système d'égout
WO2013058653A1 (fr) 2011-10-19 2013-04-25 Shredx B.V. Procédé de déchiquetage et d'évacuation pour déchiqueter et évacuer des déchets domestiques et/ou médicaux de grande taille dans un système d'égout, et dispositif de déchiquetage et d'évacuation correspondant
CN104607298A (zh) * 2015-02-06 2015-05-13 池州博瑞德钙业有限公司 一种碳酸钙粉碎装置
CN106861832A (zh) * 2017-05-02 2017-06-20 重庆医科大学附属第医院 医用废物粉碎装置
CN107802875A (zh) * 2017-12-20 2018-03-16 严晓梦 一种新型生物医用装置
CN111451246A (zh) * 2020-04-13 2020-07-28 芜湖帮许来诺医疗设备科技有限公司 一种口罩处理装置
CN114604535A (zh) * 2022-03-18 2022-06-10 长江大学 一种动物饲料加工用颗粒制造机的防漏料结构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750966A (en) * 1971-06-30 1973-08-07 Control Prod Corp Syringe destructing device
SE390110B (sv) * 1973-10-23 1976-12-06 Sjukvardstjenst Ab Oscar Destruktionsapparat for injektionssprutor, kanyler och liknande

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750966A (en) * 1971-06-30 1973-08-07 Control Prod Corp Syringe destructing device
SE390110B (sv) * 1973-10-23 1976-12-06 Sjukvardstjenst Ab Oscar Destruktionsapparat for injektionssprutor, kanyler och liknande

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Vol. 14, No. 143, C-703; & JP,A,2 014 755, (NIPPON SEIKI CO LTD), 18 January 1990. *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5758573A (en) * 1996-06-13 1998-06-02 International Paper Company Paperboard carton piercing, crushing and recycling system
US5928948A (en) * 1997-03-10 1999-07-27 Steris Corporation Method for the assessment and validation of cleaning processes
EP1314444A1 (fr) * 2001-11-27 2003-05-28 SCHLEICHER & Co. INTERNATIONAL AKTIENGESELLSCHAFT Dipositif de destruction d'appareils de petite taille et procédé de destruction de petits appareils contaminés
NL2006490C2 (nl) * 2011-03-30 2012-10-02 Shredx B V Inrichting en werkwijze voor het verkleinen van afval.
WO2012134289A1 (fr) 2011-03-30 2012-10-04 Shredx B.V. Dispositif pour le broyage et la décharge de déchets domestiques et/ou médicaux à grande échelle dans un système d'égout
WO2013058653A1 (fr) 2011-10-19 2013-04-25 Shredx B.V. Procédé de déchiquetage et d'évacuation pour déchiqueter et évacuer des déchets domestiques et/ou médicaux de grande taille dans un système d'égout, et dispositif de déchiquetage et d'évacuation correspondant
CN104607298A (zh) * 2015-02-06 2015-05-13 池州博瑞德钙业有限公司 一种碳酸钙粉碎装置
CN104607298B (zh) * 2015-02-06 2019-01-08 安徽腾拓新材料科技有限公司 一种碳酸钙粉碎装置
CN106861832A (zh) * 2017-05-02 2017-06-20 重庆医科大学附属第医院 医用废物粉碎装置
CN107802875A (zh) * 2017-12-20 2018-03-16 严晓梦 一种新型生物医用装置
CN111451246A (zh) * 2020-04-13 2020-07-28 芜湖帮许来诺医疗设备科技有限公司 一种口罩处理装置
CN114604535A (zh) * 2022-03-18 2022-06-10 长江大学 一种动物饲料加工用颗粒制造机的防漏料结构
CN114604535B (zh) * 2022-03-18 2023-11-21 长江大学 一种动物饲料加工用颗粒制造机的防漏料结构

Also Published As

Publication number Publication date
FIU920051U0 (fi) 1992-01-15
FI101U1 (fi) 1992-05-08

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