JPH08507449A - 注射カートリッジ用ピストンの改良 - Google Patents
注射カートリッジ用ピストンの改良Info
- Publication number
- JPH08507449A JPH08507449A JP6518879A JP51887994A JPH08507449A JP H08507449 A JPH08507449 A JP H08507449A JP 6518879 A JP6518879 A JP 6518879A JP 51887994 A JP51887994 A JP 51887994A JP H08507449 A JPH08507449 A JP H08507449A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pistons
- injection cartridge
- cartridge
- chamber
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 36
- 239000007924 injection Substances 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000003814 drug Substances 0.000 description 10
- 229940079593 drug Drugs 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 210000002159 anterior chamber Anatomy 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229940102223 injectable solution Drugs 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002483 medication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- 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
- A61M5/31556—Accuracy improving means
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Nozzles (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Enzymes And Modification Thereof (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Coating Apparatus (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Vehicle Body Suspensions (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.円筒形の室内の液体を排出するのに用いる弾性材料のピストンであって、少 なくとも1つの端面が非圧縮状態で凸面状であり、ピストンを前記円筒形の室内 に配置したときに前記端面がほぼ平坦になることを特徴とするピストン。 2.前方ピストン、後方ピストンを胴部内に配置した複室式の注射カートリッジ で用いるためのピストンにおいて、注射カートリッジ内の前後の両ピストンが少 なくとも1つの凸状の端面を持つような形状となっており、前記カートリッジ胴 部内にピストンを配置した後に互いに向かい合った前記ピストンのこれらの端面 がほぼ平坦となることを特徴とする、請求項1記載のピストン。 3.ゴムで作られていることを特徴とする、請求項1または2に記載のピストン 。 4.胴部内に配置した前方ピストンと後方ピストンを包含する複室式の注射器ま たは注射カートリッジであって、前記ピストンのうち少なくとも一方が請求項1 〜3のいずれかに記載の形状となっていることを特徴とする注射器または注射カ ートリッジ。 5.両ピストンが請求項1〜3のいずれかに記載の形状となっており、前記胴部 内に配置した2つのピストンが互いに向かい合ったほぼ平坦な面を有することを 特徴とする、請求項4に記載の注射器または注射カートリッジ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9300525-4 | 1993-02-17 | ||
SE9300525A SE9300525D0 (sv) | 1993-02-17 | 1993-02-17 | Kolv |
PCT/SE1994/000117 WO1994019035A1 (en) | 1993-02-17 | 1994-02-14 | Improvements in pistons for injection cartridges |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08507449A true JPH08507449A (ja) | 1996-08-13 |
JP3026842B2 JP3026842B2 (ja) | 2000-03-27 |
Family
ID=20388929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6518879A Expired - Lifetime JP3026842B2 (ja) | 1993-02-17 | 1994-02-14 | 注射カートリッジ用ピストンの改良 |
Country Status (15)
Country | Link |
---|---|
EP (1) | EP0684848B1 (ja) |
JP (1) | JP3026842B2 (ja) |
KR (1) | KR100289212B1 (ja) |
AT (1) | ATE183933T1 (ja) |
AU (1) | AU683448B2 (ja) |
DE (1) | DE69420392T2 (ja) |
DK (1) | DK0684848T3 (ja) |
ES (1) | ES2138072T3 (ja) |
FI (1) | FI112918B (ja) |
GR (1) | GR3032008T3 (ja) |
NO (1) | NO309555B1 (ja) |
NZ (1) | NZ261934A (ja) |
RU (1) | RU2141348C1 (ja) |
SE (1) | SE9300525D0 (ja) |
WO (1) | WO1994019035A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000334043A (ja) * | 1999-03-24 | 2000-12-05 | Takeda Chem Ind Ltd | プレフィルドシリンジ |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10223192A1 (de) * | 2002-05-24 | 2003-12-11 | Disetronic Licensing Ag | Ampulle und Verabreichungsvorrichtung |
US7998106B2 (en) | 2004-05-03 | 2011-08-16 | Thorne Jr Gale H | Safety dispensing system for hazardous substances |
US7240528B2 (en) | 2004-11-22 | 2007-07-10 | Lingualcare, Inc. | Method and device for shaping an orthodontic archwire |
DE102009025375A1 (de) * | 2009-06-18 | 2010-12-23 | Arzneimittel Gmbh Apotheker Vetter & Co. Ravensburg | Kolben für einen medizinischen Hohlkörper und medizinischer Hohlkörper |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1579677A (en) * | 1977-06-29 | 1980-11-19 | Wickman Lang Ltd | Pistons |
US4500310A (en) * | 1982-12-20 | 1985-02-19 | Becton, Dickinson And Company | Variable sealing pressure plunger rod assembly |
CA1249552A (en) * | 1983-03-16 | 1989-01-31 | Merlin R. Ruesch | Dripless syringe |
ATE39057T1 (de) * | 1984-05-03 | 1988-12-15 | Buender Glas Gmbh | Injektionsspritze. |
-
1993
- 1993-02-17 SE SE9300525A patent/SE9300525D0/xx unknown
-
1994
- 1994-02-14 RU RU95121647A patent/RU2141348C1/ru active
- 1994-02-14 AT AT94907756T patent/ATE183933T1/de not_active IP Right Cessation
- 1994-02-14 NZ NZ261934A patent/NZ261934A/en not_active IP Right Cessation
- 1994-02-14 KR KR1019950703406A patent/KR100289212B1/ko not_active IP Right Cessation
- 1994-02-14 DE DE69420392T patent/DE69420392T2/de not_active Expired - Lifetime
- 1994-02-14 JP JP6518879A patent/JP3026842B2/ja not_active Expired - Lifetime
- 1994-02-14 ES ES94907756T patent/ES2138072T3/es not_active Expired - Lifetime
- 1994-02-14 EP EP94907756A patent/EP0684848B1/en not_active Expired - Lifetime
- 1994-02-14 DK DK94907756T patent/DK0684848T3/da active
- 1994-02-14 WO PCT/SE1994/000117 patent/WO1994019035A1/en active IP Right Grant
- 1994-02-14 AU AU61195/94A patent/AU683448B2/en not_active Ceased
-
1995
- 1995-08-16 FI FI953871A patent/FI112918B/fi active
- 1995-08-16 NO NO953219A patent/NO309555B1/no not_active IP Right Cessation
-
1999
- 1999-11-30 GR GR990403102T patent/GR3032008T3/el unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000334043A (ja) * | 1999-03-24 | 2000-12-05 | Takeda Chem Ind Ltd | プレフィルドシリンジ |
Also Published As
Publication number | Publication date |
---|---|
WO1994019035A1 (en) | 1994-09-01 |
FI953871A (fi) | 1995-08-16 |
NO953219D0 (no) | 1995-08-16 |
KR100289212B1 (ko) | 2001-05-02 |
AU683448B2 (en) | 1997-11-13 |
DK0684848T3 (da) | 2000-03-27 |
NO953219L (no) | 1995-08-16 |
ATE183933T1 (de) | 1999-09-15 |
SE9300525D0 (sv) | 1993-02-17 |
DE69420392T2 (de) | 2000-02-10 |
AU6119594A (en) | 1994-09-14 |
RU2141348C1 (ru) | 1999-11-20 |
NO309555B1 (no) | 2001-02-19 |
DE69420392D1 (de) | 1999-10-07 |
FI112918B (fi) | 2004-02-13 |
GR3032008T3 (en) | 2000-03-31 |
JP3026842B2 (ja) | 2000-03-27 |
ES2138072T3 (es) | 2000-01-01 |
EP0684848B1 (en) | 1999-09-01 |
EP0684848A1 (en) | 1995-12-06 |
NZ261934A (en) | 1997-04-24 |
FI953871A0 (fi) | 1995-08-16 |
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