PT77969B - Syringe - Google Patents

Syringe Download PDF

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Publication number
PT77969B
PT77969B PT77969A PT7796984A PT77969B PT 77969 B PT77969 B PT 77969B PT 77969 A PT77969 A PT 77969A PT 7796984 A PT7796984 A PT 7796984A PT 77969 B PT77969 B PT 77969B
Authority
PT
Portugal
Prior art keywords
sleeve
syringe according
syringe
effected
chamber
Prior art date
Application number
PT77969A
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English (en)
Other versions
PT77969A (pt
Original Assignee
Porat Amir
Porath Michael
Lachish Doron
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
Priority claimed from IL67736A external-priority patent/IL67736A0/xx
Priority claimed from IL7033183A external-priority patent/IL70331A/xx
Application filed by Porat Amir, Porath Michael, Lachish Doron filed Critical Porat Amir
Publication of PT77969A publication Critical patent/PT77969A/pt
Publication of PT77969B publication Critical patent/PT77969B/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
    • A61M5/31578—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
    • A61M5/3158—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by axially moving actuator operated by user, e.g. an injection button
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31525—Dosing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31545—Setting modes for dosing
    • A61M5/31548—Mechanically operated dose setting member
    • A61M5/3155—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe
    • A61M5/31551—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe including axial movement of dose setting member
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
    • A61M2005/31598—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing having multiple telescopically sliding coaxial pistons encompassing volumes for components to be mixed
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/1782—Devices aiding filling of syringes in situ
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31545—Setting modes for dosing
    • A61M5/31548—Mechanically operated dose setting member
    • A61M5/31561—Mechanically operated dose setting member using freely adjustable volume steps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/3159—Dose expelling manners
    • A61M5/31593—Multi-dose, i.e. individually set dose repeatedly administered from the same medicament reservoir

Landscapes

  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Description

Descrição do objeoto do invento
que
A”IR PORATH e MICHAEL PORATH, israelitas, industriais, ambos residentes em 4 Hirschenberg St., Tel Aviv, Israel, e DORON LACHISH, israelita, industrial, residente'em 11, Ester Hamalka St., Tel Aviv, Israel, pretendem obter em Portugal, para: "SERINGA".
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0 presente invento refere-se a uma seringa na qual se pode armazenar uma quantidade pré-determinada de medicação a fim de ser ejectada em doses pré-determinadas, conforme necessário. Em medicina, por exemplo, para doentes diabéticos, ou em cirurgia dentáriU, por exemplo, para fins anestésicos, utilizam-se seringas de uear e deitar fora, sendo cada uma utilizada para uma dose da injecção necessária.
E evidente de que se trata de um processo inútil e dispendioso, em par ticular porque, na maioria dos casos, a mesma quantidade de medicamento é necessária para cada injecção. Além disso, é frequentemente dese jável que o médico encha a seringa com a quantidade necessária para to do o curso do tratamento e ajuste a seringa para que o doente, apés oa da actuaçao, injecte apenas a quantidade requerida.
A finalidade do presente invento consiste em proporcionar uma seringa que é adaptada para armazenar uma quantidade de medioaçao para múltiplas injecções e com a qual se pode expelir quantidades pré— -determinadas desta medioaçao.
0 presente invento consiste numa seringa para armazenar medioaçao e ejectar quantidades doseadns da mesma, constituída por uma câmara e doio dispositivos semelhantes a êmbolos, sendo a operação de enchimento da quantidade total de medioaçao efectuada por um dispositivo sob vácuo, enquanto que o enchimento da quantidade doseada a ser injectada é efectuado por outro dispositivo sob pressão.
55.097
Ref. 633/83
3.000 EX. — 03*84
0 presente invento é ilustrado apenas a título de exemplo, era que:
As Figuras 1, 2 e 3 apresentam cortes esquemáticos longitudinais de três formas de realizaçao da seringa de acordo com o presente invento, sendo a forma de realizz.açao da Figura 3, apresentada numa escala maior.
A Figura 3 apresenta a calibragem radial colocada na for ma de realizaçao da Figura 3·
Como mostra a Figura 1, uma cSmara exterior da seringa ê constituída por um orifício de saída 2 na extremidade fechada e um rebordo circunferencial 3 na extremidade aberta, estando esta extremi. dade munida de um filete interno curto 4· Uma camisa cilíndrica 5, tendo um filete externo 7 ao longo do seu comprimento, é movida por rotaçao dentro de uma câmara 1, constituindo a sua extremidade interna 6 um êmbolo. Na extremidade oposta 3 extremidade 6 encontra-se um rebordo circunferencial 8. A camisa cilíndrica 5 tem uma manga cilín drica prolongada axialmente 9 que se funde com a extremidade 6, na qual um êmbolo 10 é movido longitudinalmente por meio de uma haste 11 A referida haste é coberta por um punho tubular 12, que se extende a um reservatório anular 13 na camisa 5 que cerca a manga 9 e que ê adaptado para prender a haste 11 de modo a poder ser movido juntamente com ela. 0 tubo 12 é calibrado linearmente em 14, como se mostra.
A seringa funciona da seguinte maneira:
Uma. agulha hipodérmica de dois sentidos (não apresentada) com dois lados, é ligada, de modo convencional, a uma tampa lj que cobre a extremidade do orifício de saída'2 com a ajuda de uma aiú lha elástica 16, penetrando a agulha na referida anilha. Ao rodar-se a camisa 5 relativamente 3, câmara 1, o espaço aí existente entre as suas extremidades e a extremidade 6 irá ser preenchido. Neste momento, retira-se a agulha. Continua-se o processo de enchimento do espa ço 9, rodando-se a camisa 5 em direcção ao orifício 2 pelo que, devido 3 pressão dentro do espaço 17, o êmbolo 12 se moverá, juntamente com o punho 12, em direcção oposta à da seta X e encherá a manga 9 também até a calibragem 14 indicar uma certa dose pre-determinada. Neste momento, a fim de ejeotar a referida dose pré-determinada, uma
-255.097
Ref. 633/83
c
MOD. 71 — 3.000 EX. — 03*34
segunda agulha hipodérmica, que é mais fina, é ligada e penetra a ani_ lha 16 a fim de injectar uma dose mais pequena mas pré-determinada. Isto efeotua-se empurrando-se o punho 12 na direcção da seta X, uma paragem (nao apresentada) evita que este movimento se efectue após a extremidade do êmbolo lo ter alcançado a extremidade 6 da camisa 5Depois de se retirar a agulha, o êmbolo 10 permanecerá na sua posição até se efectuar.uma outra injecção. Neste momento, a camisa 5 será roscada na cSmara 1 até ao ponto em que a calibragem apropidada 14 se mostre outra vez e isto forçar o êmbolo lo na direcção oposta da seta enchendo, deste modo, a manga 9 com a dose apropriada.
Na forma de realização da seringa apresentada na Figura 2 as partes que têm os mesmos números de referência sao as da Figura 1 e funcionam de modo semelhante e não serão mais descritas. Neste caso, a parte adicional é um anel filetado 18 que é roscado num punho filetado e oalibrado 12 para servir para fixar uma dose fixa pré-determinada. Esta seringa funciona da seguinte maneira:
0 enchimento dos espaços 17 e 9 é efectuado do mesmo modo que o da Figura 1, sendo a única diferença o facto de se continuar o movimento do êmbolo 10 e do punho 12 na direcção da seta Y, até o êmbolo 10 atingir a paragem 19 na camisa 5· Assim, enche-se toda a manga 9· 0 anel 18 gira, agora, no punho 12 até à calibragem que indica a dose necessária e na altura em que se for dar a injecção empur ra-se 0 punho para a direita na direcção oposta à da seta Y até 0 anel l8 atingir 0 rebordo 8, pelo que a manga 9 será esvaziada por uma quantidade correspondente de dose necessária.
Na forma de realização da seringa da Figura 3, as mesmas partes ou as partes semelhantes às das Figuras 1 e 2, nao serão parti cularmente descritas. A seringa difere das que foram descritas emrelação às Figuras 1 e 2, no facto de poder ser utilizada para dosagem fixa, mediante a utilização de um modo diferente de calibragem. Para isso, 0 punho tubular 12 tem um oorte transversal interno hexagonal, sendo a porca 20 alojada na sua extremidade interna e aí mantida mediante um rebordo interno 12a, podendo, assim, 0 punho mover-se axial e livremente e, quando girar, forçará a porca 20 a girar. A parede tubular da manga 9 é munida de um filete externo ao longo do sdu com primento, adaptado para ser preso por roscagem pela poroa 20. 0 re-355.097
Ref. 633/83
MOD. 71 — 3.000 EX. — Ο3-Θ4
bordo circunferencial 8 é munido de calibragens radiais 8a, sendo dez apresentadas aqui, sendo a relaçao entre a calibragem 14 e a calibragem 8a semelhante à utilizada num micrómetro.
Efeotua-Be 0 enchimento do espaço 17, de acordo com 0 da Figura 1. Quando uma dose exacta tiver que ser ejectada, 0 punho 12 gira levando a porca 20 consigo até a calibragem 14 desejada aparecer outra vez no rebordo 8. Neste momento, a camisa 5 gira, pelo que a manga 9 se enche de acordo oom 0 atrás descrito, parando-se 0 êmbolo no seu movimento quando o rebordo 12a atingir a porca 20, pelo que uma dose fixa pré-determinada será introduzida na manga 9· A próxima dosagem será, agora, exactamente a mesma que a da primeira. Uma vez que a calibragem 14 pode ser difícil de ler, a calibragem 8a apresentará uma leitura mais exacta.
0 perfil da parede interna do punho 12 pode ter qualquer outra forma que nao seja a descrita, por exemplo, quadrada ou qualquei outra forma geométrica, ou uma porca circular pode ser munida de asas diametralmente opostas que se prendem a ranhuras alongadas diametralmente opostas da parede do punho 12.
As calibragens podem ser em relevo, de modo a que a seringa possa ser utilizada pelos cegos.
0 depósito dos correspondentes pedidos para 0 invento acima descrito, foi efectuado em Israel, em 23 de Janeiro de 1983 sob 0 n- 67 736 e em 25 de Novembro de 1983 sob o n- 70 331.
-

Claims (6)

  1. REIVINDICAÇÕES1—. - Seringa para armazenar medicação e ejectar quantidades doseadas da mesma, constituída por uma câmara c dois dispositivos semelhantes a êmbolos, sendo a operaçao de enchimento da quantida de total efectuada por um dispositivo sob vácuo, enquanto que o enchi mento da quantidade doseada a ser injectada ó efectuado pelo outro dispositivo sob pressão.
    -455.097
    Ref. 633/83
    MOD. 71 —3.000 EX» — 03-34
  2. 2- . - Seringa de acordo com a reivindicação 1, caracterizado pelo facto de o referido dispositivo primeiramente mencionado ser uma camisa cuja extremidade interna é constituída por um êmbolo e é adaptada para ser movida axialmente dentro da referida câmara, tendo a referida camisa uma manga prolongada axialmente que se funde com a referida extremidade interna da camisa, sendo o êmbolo movido axialmente dentro da referida camisa, fazendo o movimento da camisa relativamente à câmara encher a quantidade total da medicação, enquan to que o enchimento da quantidade doseada é efectuado pelo movimento do referido segundo êmbolo relativamente à referida manga.
  3. 3- . - Seringa de acordo com a reivindicação 2, caracteri, zada pelo facto da câmara ter uma roscagem interna curta e pelo facto da referida camisa ser munida de uma roscagem externa ao longo do seu comprimento, sendo o movimento axial entre elas efectuado por acçao da roscagem.
  4. 4- . - Seringa de acordo com a reivindicação 1, caracteri zada pelo facto de o referido segundo dispositivo semelhante a u(n êmbolo, ser munido de uma haste que é coberta por um punho tubular provido de calibragens.
    R
  5. 5- . - Seringa de acordo com a reivindicação 4, caracter^ zada pelo facto de o referido punho ser munido de uma roscagem externa na, qual se adapta um anel para ser roscado a fim de limitar o movi mento da ejecçao do segundo dispositivo do êmbolo.
  6. 6- , - Seringa de acordo com a reivindicação 4, caracteri, zada pelo facto de se dispor uma porca no referido punho tubular cuja parede interna ê perfilada para se ajustar à referida porca, prendendo-se esta última, por roscagem, à parede externa da referida manga, sendo o movimento axial do punho limitado pela posição da porca na pa rede externa da manga.
    Ί-. _ Seringa de acordo com a reivindicação 6, caracteri^ zada pelo facto de as calibragens radiais serem colocadas num rebordo que cerca a extremidade exterior da referida camisa.
PT77969A 1983-01-23 1984-01-17 Syringe PT77969B (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL67736A IL67736A0 (en) 1983-01-23 1983-01-23 A syringe
IL7033183A IL70331A (en) 1983-11-25 1983-11-25 Syringe

Publications (2)

Publication Number Publication Date
PT77969A PT77969A (pt) 1984-02-01
PT77969B true PT77969B (pt) 1986-04-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PT77969A PT77969B (pt) 1983-01-23 1984-01-17 Syringe

Country Status (13)

Country Link
US (2) US4583978A (pt)
EP (1) EP0115931B1 (pt)
KR (1) KR900008011B1 (pt)
AT (1) ATE34302T1 (pt)
AU (1) AU569862B2 (pt)
CA (1) CA1231016A (pt)
DE (1) DE3471256D1 (pt)
DK (1) DK27284A (pt)
ES (1) ES284724Y (pt)
FI (1) FI79247C (pt)
IE (1) IE54894B1 (pt)
NO (1) NO157644C (pt)
PT (1) PT77969B (pt)

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PT77969A (pt) 1984-02-01
NO157644B (no) 1988-01-18
NO840222L (no) 1984-07-24
US4583978A (en) 1986-04-22
IE840039L (en) 1984-07-23
CA1231016A (en) 1988-01-05
DK27284A (da) 1984-07-24
FI840194A (fi) 1984-07-24
ATE34302T1 (de) 1988-06-15
ES284724U (es) 1985-07-16
FI79247C (fi) 1989-12-11
USRE32974E (en) 1989-07-04
EP0115931B1 (en) 1988-05-18
FI840194A0 (fi) 1984-01-18
EP0115931A1 (en) 1984-08-15
KR840007357A (ko) 1984-12-07
AU569862B2 (en) 1988-02-25
DK27284D0 (da) 1984-01-20
IE54894B1 (en) 1990-03-14
DE3471256D1 (en) 1988-06-23
KR900008011B1 (ko) 1990-10-29
FI79247B (fi) 1989-08-31
NO157644C (no) 1988-04-27
ES284724Y (es) 1986-04-01
AU2307784A (en) 1984-07-26

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