RU2002128635A - Гибкий шток поршня для медицинского подающего устройства - Google Patents

Гибкий шток поршня для медицинского подающего устройства

Info

Publication number
RU2002128635A
RU2002128635A RU2002128635/14A RU2002128635A RU2002128635A RU 2002128635 A RU2002128635 A RU 2002128635A RU 2002128635/14 A RU2002128635/14 A RU 2002128635/14A RU 2002128635 A RU2002128635 A RU 2002128635A RU 2002128635 A RU2002128635 A RU 2002128635A
Authority
RU
Russia
Prior art keywords
piston rod
flexible piston
spring
spiral
flexible
Prior art date
Application number
RU2002128635/14A
Other languages
English (en)
Other versions
RU2257234C2 (ru
Inventor
Ларс Петер КЛИТМОСЕ (DK)
Ларс Петер КЛИТМОСЕ
Хенрик ЛЬЮНГГРЕН (DK)
Хенрик ЛЬЮНГГРЕН
Original Assignee
Ново Нордиск А/С (DK)
Ново Нордиск А/С
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 Ново Нордиск А/С (DK), Ново Нордиск А/С filed Critical Ново Нордиск А/С (DK)
Publication of RU2002128635A publication Critical patent/RU2002128635A/ru
Application granted granted Critical
Publication of RU2257234C2 publication Critical patent/RU2257234C2/ru

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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/14566—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir for receiving a piston rod of the pump
    • 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
    • A61M2005/31518—Piston or piston-rod constructions, e.g. connection of piston with piston-rod designed to reduce the overall size of an injection device, e.g. using flexible or pivotally connected chain-like rod members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
    • B05C17/0113—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like the piston rod being flexible or articulated

Claims (8)

1. Медицинское подающее устройство, содержащее гибкий шток (4) поршня, имеющий форму спиральной пружины, имеющей множество тесно прилегающих витков спирали, обеспечивающих наружную резьбу для движения поршня (3) вперед внутри баллончика (1), содержащего жидкость и предназначенного для передачи движения от привода (5) штока поршня для продольного смещения указанного поршня (3), при этом гибкий шток (4) поршня имеет дистальный конец, погруженный в поршень (3) внутри баллончика (1), и проксимальный конец, отклоненный в сторону от оси баллончика (1), и гаечный элемент (6), имеющий внутреннюю резьбу, которая входит в зацепление с наружной резьбой гибкого штока (4) поршня, причем гаечный элемент (6) застопорен против продольного смещения и принудительно повернут, отличающееся тем, что гибкий шток (4) поршня имеет средство, стопорящее его от вращения вокруг собственной оси.
2. Устройство по п.1, отличающееся тем, что средство, стопорящее шток поршня от вращения, представляет собой продольный уплощенный участок (11), расположенный на периферической части спиральной пружины, образующей гибкий шток (4) поршня.
3. Устройство по п.2, отличающееся тем, что спиральная пружина имеет исходное напряжение, а уплощенный участок (11) имеет уменьшенное или устраненное исходное напряжение в продольной области спиральной пружины.
4. Устройство по п.2, отличающееся тем, что уплощенный участок (11) выполнен в виде углубления в повернутой наружу периферической части каждого витка, охватывающего угловую часть, которая значительно меньше 360°.
5. Устройство по любому из пп.2-4, отличающееся тем, что уплощенный участок (11) выполнен в пружине путем приложения кратковременно действующего усилия или давления на область, находящуюся на повернутом наружу периферическом участке каждого витка спирали.
6. Устройство по п.5, отличающееся тем, что кратковременно действующее усиление приложено путем принуждения гибкого штока поршня прижаться к относительно острому краю.
7. Устройство по п.2, отличающееся тем, что участок (11) выполнен путем удаления части повернутой наружу периферической части каждого витка спирали, охватывающей угловую часть, которая значительно меньше 360°.
8. Устройство по п.7, отличающееся тем, что удаление материала, образующего часть пружины, производится вытачиванием.
RU2002128635/14A 2000-03-24 2001-03-16 Медицинское подающее устройство RU2257234C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200000496 2000-03-24
DKPA200000496 2000-03-24

Publications (2)

Publication Number Publication Date
RU2002128635A true RU2002128635A (ru) 2004-03-27
RU2257234C2 RU2257234C2 (ru) 2005-07-27

Family

ID=8159373

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002128635/14A RU2257234C2 (ru) 2000-03-24 2001-03-16 Медицинское подающее устройство

Country Status (19)

Country Link
US (1) US6474219B2 (ru)
EP (1) EP1267963B1 (ru)
JP (1) JP2004504075A (ru)
KR (1) KR20020086680A (ru)
CN (1) CN1419459A (ru)
AT (1) ATE296649T1 (ru)
AU (2) AU2001242308B2 (ru)
CA (1) CA2403843A1 (ru)
DE (1) DE60111200T2 (ru)
DK (1) DK1267963T3 (ru)
ES (1) ES2243464T3 (ru)
IL (1) IL151817A0 (ru)
NO (1) NO20024547L (ru)
PL (1) PL363271A1 (ru)
PT (1) PT1267963E (ru)
RU (1) RU2257234C2 (ru)
TW (1) TW523415B (ru)
WO (1) WO2001072360A1 (ru)
ZA (1) ZA200207451B (ru)

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DK1267963T3 (da) 2005-08-15
EP1267963A1 (en) 2003-01-02
AU2001242308B2 (en) 2005-07-21
RU2257234C2 (ru) 2005-07-27
ATE296649T1 (de) 2005-06-15
EP1267963B1 (en) 2005-06-01
ES2243464T3 (es) 2005-12-01
AU4230801A (en) 2001-10-08
NO20024547D0 (no) 2002-09-23
WO2001072360A1 (en) 2001-10-04
US20010023637A1 (en) 2001-09-27
NO20024547L (no) 2002-11-22
PT1267963E (pt) 2005-10-31
ZA200207451B (en) 2003-09-17
CN1419459A (zh) 2003-05-21
US6474219B2 (en) 2002-11-05
TW523415B (en) 2003-03-11
IL151817A0 (en) 2003-04-10
DE60111200D1 (de) 2005-07-07
JP2004504075A (ja) 2004-02-12
DE60111200T2 (de) 2006-03-16
KR20020086680A (ko) 2002-11-18
CA2403843A1 (en) 2001-10-04
PL363271A1 (en) 2004-11-15

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