JPH01172843U - - Google Patents

Info

Publication number
JPH01172843U
JPH01172843U JP1988070055U JP7005588U JPH01172843U JP H01172843 U JPH01172843 U JP H01172843U JP 1988070055 U JP1988070055 U JP 1988070055U JP 7005588 U JP7005588 U JP 7005588U JP H01172843 U JPH01172843 U JP H01172843U
Authority
JP
Japan
Prior art keywords
groove
rod
flange
small chamber
gasket
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
Application number
JP1988070055U
Other languages
English (en)
Other versions
JPH056995Y2 (ja
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 filed Critical
Priority to JP1988070055U priority Critical patent/JPH056995Y2/ja
Publication of JPH01172843U publication Critical patent/JPH01172843U/ja
Application granted granted Critical
Publication of JPH056995Y2 publication Critical patent/JPH056995Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31515—Connection of piston with piston rod

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例の長手軸における断面
図であり、第２図および第３図は第１図のプラン
ジヤの要部断面図であり、それぞれバレル内でプ
ランジヤを前進および後退させた時の状態を示す
。 符号の説明、１：ガスケツト、２：プランジヤ
、３：小室、４：第１の溝、５：第２の溝、６：
ロツドの頭部、７：第１のフランジ、８：第２の
フランジ。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ ロツドと該ロツドの先端に装着され固定され
    たゴム状弾性体製のガスケツトから構成されてな
    る注射器のプランジヤにおいて、ロツドはその先
    端部分に第１および第２のフランジが形成されて
    おり、 ガスケツトは一端の閉鎖された中空体であつて
    、該閉鎖端から開放端に向けて順に、前記ロツド
    の頭部を装着する小室と、第１のフランジを装着
    する第１の溝と、第２のフランジを装着する第２
    の溝とが形成され、かつ前記小室と第１の溝、お
    よび第１の溝と第２の溝の間の各中空部分の内壁
    が略凹面に形成されており、 前記小室および第２の溝が、それぞれ前記ロツ
    ドの頭部のサイズおよび第２のフランジの幅より
    大きく形成されたことを特徴とする注射器のフラ
    ンジ。 ２ ガスケツトの形成材料が熱可塑性エラストマ
    ーである請求項１記載のプランジヤ。 ３ 小室と第１の溝、および第１の溝と第２の溝
    の間の各中空部分の側壁が薄肉に形成されている
    請求項１または２に記載のプランジヤ。
JP1988070055U 1988-05-27 1988-05-27 Expired - Lifetime JPH056995Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988070055U JPH056995Y2 (ja) 1988-05-27 1988-05-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988070055U JPH056995Y2 (ja) 1988-05-27 1988-05-27

Publications (2)

Publication Number Publication Date
JPH01172843U true JPH01172843U (ja) 1989-12-07
JPH056995Y2 JPH056995Y2 (ja) 1993-02-23

Family

ID=31295312

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988070055U Expired - Lifetime JPH056995Y2 (ja) 1988-05-27 1988-05-27

Country Status (1)

Country Link
JP (1) JPH056995Y2 (ja)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018047239A (ja) * 2016-09-19 2018-03-29 メディモップ・メディカル・プロジェクツ・リミテッド 薬品送出デバイスのプランジャドライバのための回転抵抗摩擦アダプタ
JP2019509131A (ja) * 2016-03-13 2019-04-04 インイェクト・エー／エスＩｎｊｅｃｔｏ Ａ／Ｓ 低減した解放力を有するインジェクタ
WO2020011762A1 (en) * 2018-07-10 2020-01-16 F. Hoffmann-La Roche Ag Plunger and method of manufacturing a plunger
US11311674B2 (en) 2016-01-21 2022-04-26 West Pharma. Services IL, Ltd. Medicament delivery device comprising a visual indicator
US11318254B2 (en) 2015-10-09 2022-05-03 West Pharma. Services IL, Ltd. Injector needle cap remover
US11338090B2 (en) 2016-08-01 2022-05-24 West Pharma. Services IL, Ltd. Anti-rotation cartridge pin
US11364337B2 (en) 2016-01-21 2022-06-21 West Pharma. Services IL, Ltd. Force containment in an automatic injector
US11389597B2 (en) 2016-03-16 2022-07-19 West Pharma. Services IL, Ltd. Staged telescopic screw assembly having different visual indicators
US11504481B2 (en) 2007-10-02 2022-11-22 West Pharma. Services IL, Ltd. Anti-rotation feature for infusion pump cartridge
US11547802B2 (en) 2015-10-09 2023-01-10 West Pharma. Services IL, Ltd. Angled syringe patch injector
US11672904B2 (en) 2016-01-21 2023-06-13 West Pharma. Services IL, Ltd. Needle insertion and retraction mechanism
US11819666B2 (en) 2017-05-30 2023-11-21 West Pharma. Services IL, Ltd. Modular drive train for wearable injector
US12357767B2 (en) 2016-08-01 2025-07-15 West Pharma. Services IL, Ltd. Partial door closure prevention spring

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11504481B2 (en) 2007-10-02 2022-11-22 West Pharma. Services IL, Ltd. Anti-rotation feature for infusion pump cartridge
US11590291B2 (en) 2007-10-02 2023-02-28 West Pharma. Services IL, Ltd. External drug pump
US11547802B2 (en) 2015-10-09 2023-01-10 West Pharma. Services IL, Ltd. Angled syringe patch injector
US11724034B2 (en) 2015-10-09 2023-08-15 West Pharma. Services, IL, Ltd. Injector system
US12208246B2 (en) 2015-10-09 2025-01-28 West Pharma. Services IL, Ltd. Bent fluid path add on to a prefilled fluid reservoir
US11318254B2 (en) 2015-10-09 2022-05-03 West Pharma. Services IL, Ltd. Injector needle cap remover
US12138429B2 (en) 2015-10-09 2024-11-12 West Pharma. Services IL, Ltd. Angled syringe patch injector
US12036394B2 (en) 2015-10-09 2024-07-16 West Pharma. Services IL, Ltd. Injector needle cap and/or liner remover
US11759573B2 (en) 2015-10-09 2023-09-19 West Pharma. Services, IL, Ltd. Bent fluid path add on to a prefilled reservoir
US11672904B2 (en) 2016-01-21 2023-06-13 West Pharma. Services IL, Ltd. Needle insertion and retraction mechanism
US12427261B2 (en) 2016-01-21 2025-09-30 West Pharma. Services IL, Ltd. Medicament delivery device comprising a visual indicator
US11311674B2 (en) 2016-01-21 2022-04-26 West Pharma. Services IL, Ltd. Medicament delivery device comprising a visual indicator
US12005237B2 (en) 2016-01-21 2024-06-11 West Pharma. Services IL, Ltd. Medicament delivery device comprising a visual indicator
US11364337B2 (en) 2016-01-21 2022-06-21 West Pharma. Services IL, Ltd. Force containment in an automatic injector
JP2019509131A (ja) * 2016-03-13 2019-04-04 インイェクト・エー／エスＩｎｊｅｃｔｏ Ａ／Ｓ 低減した解放力を有するインジェクタ
US11389597B2 (en) 2016-03-16 2022-07-19 West Pharma. Services IL, Ltd. Staged telescopic screw assembly having different visual indicators
US11338090B2 (en) 2016-08-01 2022-05-24 West Pharma. Services IL, Ltd. Anti-rotation cartridge pin
US12357767B2 (en) 2016-08-01 2025-07-15 West Pharma. Services IL, Ltd. Partial door closure prevention spring
JP2018047239A (ja) * 2016-09-19 2018-03-29 メディモップ・メディカル・プロジェクツ・リミテッド 薬品送出デバイスのプランジャドライバのための回転抵抗摩擦アダプタ
US11819666B2 (en) 2017-05-30 2023-11-21 West Pharma. Services IL, Ltd. Modular drive train for wearable injector
WO2020011762A1 (en) * 2018-07-10 2020-01-16 F. Hoffmann-La Roche Ag Plunger and method of manufacturing a plunger
JP2021524339A (ja) * 2018-07-10 2021-09-13 エフ・ホフマン−ラ・ロシュ・アクチェンゲゼルシャフト プランジャおよびプランジャの製造方法
US11577027B2 (en) 2018-07-10 2023-02-14 Hoffmann-La Roche Inc. Plunger and method of manufacturing a plunger

Also Published As

Publication number Publication date
JPH056995Y2 (ja) 1993-02-23

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