JP5794505B2 - 二種類の歯科用麻酔液入りカートリッジ兼用電動注射器 - Google Patents
二種類の歯科用麻酔液入りカートリッジ兼用電動注射器 Download PDFInfo
- Publication number
- JP5794505B2 JP5794505B2 JP2013509695A JP2013509695A JP5794505B2 JP 5794505 B2 JP5794505 B2 JP 5794505B2 JP 2013509695 A JP2013509695 A JP 2013509695A JP 2013509695 A JP2013509695 A JP 2013509695A JP 5794505 B2 JP5794505 B2 JP 5794505B2
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- JP
- Japan
- Prior art keywords
- cartridge
- push rod
- sleeve
- rear end
- electric syringe
- 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.)
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- 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
- A61M5/31583—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
- A61C19/08—Implements for therapeutic treatment combined with anaesthetising implements
-
- 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
-
- 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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- 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
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
-
- 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
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M2005/2403—Ampoule inserted into the ampoule holder
- A61M2005/2411—Ampoule inserted into the ampoule holder from the front
Description
2 注射器本体
3 麻酔液充填カートリッジ
3a 1.8mlのカートリッジ
3b 1.0mlのカートリッジ
4 カートリッジホルダ
5 カップリング
6 押し棒
8 受け口
4’後端面
10 プランジャゴム栓
12 ラック
15 作動装置
16 駆動ユニット
17 ピニオン
22 有底スリーブ
23 コイル戻しばね
24 周囲フランジ
25 ボア
26 肩部
Claims (3)
- 麻酔液入りカートリッジを装填したカートリッジホルダをカップリングによって電動注射器本体に装着し、駆動ユニットによって回転されるピニオンと押し棒のラックとの噛み合いにより、押し棒をゆっくり移動させ、麻酔液入りカートリッジのプランジャゴム栓を押してカートリッジの中の麻酔液をカートリッジから注射針を通して排出させるようにした歯科用麻酔液充填カートリッジ式電動注射器において、カートリッジホルダを、1.0mlのカートリッジ及び1.8mlのカートリッジに共用できるものとし、押し棒は、押し棒の移動が、1.0mlのカートリッジ及び1.8mlのカートリッジに共通の位置で終わるように1.0mlのカートリッジの設定位置及び該位置より引っ込んだ1.8mlのカートリッジ設定位置と、を有し、前記共通の終端位置から押し戻される押し棒の後端部分を受け入れ、押し棒が、1.0mlのカートリッジの設定位置にあるとき、押し棒の後端面によって干渉されないが、1.8mlのカートリッジ設定位置に押し戻されるとき、押し棒の後端面で後方に押される有底のスリーブと、押し棒の前進移動の際スリーブを押し棒と一緒に前方に移動させるための戻しばねと、を含む、二種類の歯科用麻酔液入りカートリッジ兼用電動注射器。
- 前記戻しばねはコイル戻しばねであり、有底スリーブの周りに配置され、一端がスリーブの前方端に形成された周囲フランジに、他端が電動注射器本体の後端に設けられたボアの肩部に当接し、常態では、スリーブを前記駆動ユニットの部分に当接状態に付勢し、押し棒の後端面に近接して位置し、押し棒の後端面で前記スリーブが後方に押されるとき、スリーブは電動注射器本体の後端に設けられたボアを貫いて突出する、請求項1に記載の二種類の歯科用麻酔液入りカートリッジ兼用電動注射器。
- スリーブは、麻酔液1.0mlのカートリッジと1.8mlのカートリッジとの長さの差よりも僅かに長い寸法のものである、請求項1又は2に記載の二種類の歯科用麻酔液入りカートリッジ兼用電動注射器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/059089 WO2012140738A1 (ja) | 2011-04-12 | 2011-04-12 | 二種類の歯科用麻酔液入りカートリッジ兼用電動注射器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012140738A1 JPWO2012140738A1 (ja) | 2014-07-28 |
JP5794505B2 true JP5794505B2 (ja) | 2015-10-14 |
Family
ID=47008945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013509695A Active JP5794505B2 (ja) | 2011-04-12 | 2011-04-12 | 二種類の歯科用麻酔液入りカートリッジ兼用電動注射器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8840585B2 (ja) |
EP (1) | EP2698181B1 (ja) |
JP (1) | JP5794505B2 (ja) |
CN (1) | CN103492005B (ja) |
CA (1) | CA2832862C (ja) |
WO (1) | WO2012140738A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3067082A1 (en) * | 2015-03-13 | 2016-09-14 | Carebay Europe Ltd. | Motorized drug delivery device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787893A (en) * | 1985-05-09 | 1988-11-29 | Alain Villette | Instrument for injecting biocompatible products through bone tissue |
JPH0652838U (ja) * | 1993-01-06 | 1994-07-19 | 城田電気炉材株式会社 | 歯科用の麻酔剤等の注射装置 |
US6159161A (en) * | 1995-10-20 | 2000-12-12 | Hodosh; Milton | Microprocessor-controlled fluid dispensing apparatus |
JP2001000543A (ja) * | 1999-06-18 | 2001-01-09 | Shirota Denki Rozai Kk | 電動注射器における注射液の注射速度の確認装置 |
JP2001070444A (ja) * | 1999-09-07 | 2001-03-21 | Showa Yakuhin Kako Kk | 歯科用電動注射装置 |
JP2004130005A (ja) * | 2002-10-15 | 2004-04-30 | Fuji Denki F-Tech Kk | 歯科治療麻酔薬用電動注射器 |
JP2006230701A (ja) * | 2005-02-24 | 2006-09-07 | Showa Yakuhin Kako Kk | 歯科用カートリッジ式電動注射器における薬液注入速度制御方法及び装置 |
WO2010150396A1 (ja) * | 2009-06-26 | 2010-12-29 | 昭和薬品化工株式会社 | 線形歯科用電動注射器 |
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2011
- 2011-04-12 US US14/009,752 patent/US8840585B2/en active Active
- 2011-04-12 WO PCT/JP2011/059089 patent/WO2012140738A1/ja active Application Filing
- 2011-04-12 CN CN201180070060.5A patent/CN103492005B/zh active Active
- 2011-04-12 CA CA2832862A patent/CA2832862C/en active Active
- 2011-04-12 EP EP11863614.1A patent/EP2698181B1/en active Active
- 2011-04-12 JP JP2013509695A patent/JP5794505B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787893A (en) * | 1985-05-09 | 1988-11-29 | Alain Villette | Instrument for injecting biocompatible products through bone tissue |
JPH0652838U (ja) * | 1993-01-06 | 1994-07-19 | 城田電気炉材株式会社 | 歯科用の麻酔剤等の注射装置 |
US6159161A (en) * | 1995-10-20 | 2000-12-12 | Hodosh; Milton | Microprocessor-controlled fluid dispensing apparatus |
JP2001000543A (ja) * | 1999-06-18 | 2001-01-09 | Shirota Denki Rozai Kk | 電動注射器における注射液の注射速度の確認装置 |
JP2001070444A (ja) * | 1999-09-07 | 2001-03-21 | Showa Yakuhin Kako Kk | 歯科用電動注射装置 |
JP2004130005A (ja) * | 2002-10-15 | 2004-04-30 | Fuji Denki F-Tech Kk | 歯科治療麻酔薬用電動注射器 |
JP2006230701A (ja) * | 2005-02-24 | 2006-09-07 | Showa Yakuhin Kako Kk | 歯科用カートリッジ式電動注射器における薬液注入速度制御方法及び装置 |
WO2010150396A1 (ja) * | 2009-06-26 | 2010-12-29 | 昭和薬品化工株式会社 | 線形歯科用電動注射器 |
Also Published As
Publication number | Publication date |
---|---|
US20140023986A1 (en) | 2014-01-23 |
EP2698181B1 (en) | 2016-08-31 |
EP2698181A1 (en) | 2014-02-19 |
CN103492005B (zh) | 2015-09-09 |
JPWO2012140738A1 (ja) | 2014-07-28 |
WO2012140738A1 (ja) | 2012-10-18 |
EP2698181A4 (en) | 2014-12-03 |
CN103492005A (zh) | 2014-01-01 |
CA2832862C (en) | 2016-02-02 |
US8840585B2 (en) | 2014-09-23 |
CA2832862A1 (en) | 2012-10-18 |
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