JP4718462B2 - 機械的利点を得るための3条ねじ付き薬剤投与器具 - Google Patents
機械的利点を得るための3条ねじ付き薬剤投与器具 Download PDFInfo
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- JP4718462B2 JP4718462B2 JP2006523191A JP2006523191A JP4718462B2 JP 4718462 B2 JP4718462 B2 JP 4718462B2 JP 2006523191 A JP2006523191 A JP 2006523191A JP 2006523191 A JP2006523191 A JP 2006523191A JP 4718462 B2 JP4718462 B2 JP 4718462B2
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Description
ヘッド210の向き合う対は、異なるナット回転の時点で、ナット64’および駆動スリーブ66’の相対的回転の間に用量を知らせるカチッと音が鳴る機能を提供するためにリブ202の上にはまる。このフィンガーおよびリブの設計は、ナットに適切な力が均衡にかかる間に形成を容易にする。代替の実施例で、リブがナットの外周に継続的に伸びていた場合、まだ適切な力の均衡がかかっている間にも180度離れて配置された2つのフィンガーのみが使用されることがある。駆動スリーブ本体と嵌合している突起物166’の間に伸びるフランジ214には、角のある、または切頭円錐内面216がある。フランジの表面216は、注射の間にナット64’の円周の嵌合面220を擦られるように構成される。内面216および嵌合面220は、示される断面形状を周囲全体に有する場合がある。注射する間、駆動スリーブ66’が末端に向かって進み、その結果として同時にナット64’が進むので、ナットおよび駆動スリーブは接触している円錐状の面の摩擦による嵌合により、ぴったり合い、ともに回転不能に保たれる。
Claims (22)
- 薬剤投与器具であって、
筐体と、
用量の調製および注射中に前記筐体に対して回転不能に保たれ、前記筐体に対して末端に向かって軸方向に可動な駆動部であって、ねじ付シャフトを含む駆動部と、
一端に可動ピストンがあり、もう一端に開口部がある薬剤充填済み容器を画定する液体用容器であって、前記ピストンは、前記駆動部が末端に向かって移動するときに前記駆動部により嵌合して前記開口部の方向へ前進されることが可能である、液体用容器と、
前記駆動部のねじ付シャフトに沿ってねじ締め可能なナットと、
前記筐体にねじ山で嵌合して前記筐体に対してねじ締め可能なねじ要素と、
前記ナットに接続され、前記ナットに対して軸方向に可動であり且つ前記ナットに対して回転不能に保たれるナット回転要素であって、前記ナット回転要素および前記ねじ要素が第一の軸配置にある場合は、前記ナット回転要素は前記ねじ要素に対して回転不能に保たれ、前記ナット回転要素および前記ねじ要素が第二の軸配置にある場合には、前記ナット回転要素は前記ねじ要素に対し回転可能である、前記ナット回転要素と、
前記ねじ要素とねじ山で嵌合するナット前進プランジャであって、前記筐体に対して軸方向に可動であり且つ前記筐体に対して回転不能に保たれる前記プランジャと、
を備え、用量の調製中は、前記ナット回転要素および前記ねじ要素は前記第一の軸配置にあり、それにより前記筐体に対する前記ナット回転要素およびねじ要素のねじ込み動作によって、前記ナット回転要素および前記ねじ要素が元の位置から第一の軸距離までねじ込まれ、前記ナット回転要素の前記ねじ込み動作によって前記ナットが前記駆動部のねじ付シャフトに沿って前記第一の軸距離と異なる第二の軸距離までねじ込まれ、
用量の投与中は、前記ナット回転要素および前記ねじ要素は前記第二の軸配置にあり、それにより、前記筐体に対する前記元の位置に戻る前記ねじ要素のねじ込み動作は前記プランジャを前記末端方向に前進させて前記ナットを軸方向に前進させ、その結果、前記駆動部および前記液体用容器がピストン運動して前記開口部から薬剤を投与する、薬剤投与器具。 - 前記ナット回転要素が、前記ねじ要素内のスリーブ部分と、前記ねじ要素の外部にある手で嵌合可能なボタン部分とを備え、前記スリーブ部分およびボタン部分は一体として軸方向におよび回転自在に移動可能である、請求項1に記載の薬剤投与器具。
- 前記ボタン部分が、用量の投与中に手動で押し込まれる、請求項2に記載の薬剤投与器具。
- 前記ボタン部分が、用量の調製中に手動で回転される、請求項3に記載の薬剤投与器具。
- 前記ボタン部分が、前記ねじ要素の近位端の外側に放射状に配置され、その末端に向かって軸方向に伸びる依存するへりを備える、請求項2に記載の薬剤投与器具。
- 前記第二の軸配置から前記第一の軸配置に向かって前記ナット回転要素および前記ねじ要素を付勢する手段をさらに備える、請求項2に記載の薬剤投与器具。
- 前記ねじ要素および前記ナット回転要素が、前記付勢手段が負けて前記ナット回転要素およびねじ要素が前記第一の軸配置から前記第二の軸配置へ移動するときに離れる連結歯を備える、請求項6に記載の薬剤投与器具。
- 前記ねじ要素が、前記ボタン部分の底面と直接嵌合し前記ねじ要素に対して前記ボタンを近位に押す前記付勢手段を備える、請求項6に記載の薬剤投与器具。
- 前記ねじ要素が、放射状の内面および放射状の外面を有するチューブ状部を備え、前記外面は前記筐体にねじ込まれ、前記内面は前記プランジャにねじ込まれる、請求項1に記載の薬剤投与器具。
- 前記ナットが、外面に軸方向に伸びる鍵溝を有する延長部を備え、前記ナット回転要素が、前記鍵溝内でスライドする鍵を備える、請求項1に記載の薬剤投与器具。
- 前記ナットおよび前記ナット回転要素が、環状の空間を共有する連結フィンガーを備える、請求項1に記載の薬剤投与器具。
- 前記ナットおよび前記ナット前進プランジャが、用量の調製中に音による合図を送るための共動するクリッカー部品を備える、請求項1に記載の薬剤投与器具。
- 前記筐体に対する前記ねじ要素のねじ切りが第一のリードであり、前記ねじ要素に対する前記プランジャのねじ切りが第二のリードであり、前記駆動部のねじ付シャフトのねじ切りが第三のリードであり、前記第一のリード、前記第二のリード、および前記第三のリードはそれぞれ異なる値である、請求項1に記載の薬剤投与器具。
- 前記第一のリードが第三のリードの係数M倍と等しく、前記第二のリードが第三のリードの係数(M−1)倍と等しい、請求項13に記載の薬剤投与器具。
- 前記ナット前進プランジャが、前記筐体に形成される少なくとも1つの開口部の中にスライド可能にはまる少なくとも1つの前記プランジャの突起物によって、前記筐体に対して軸方向に可動且つ回転不能に保たれる、請求項1に記載の薬剤投与器具。
- 前記ナット前進プランジャが、前記プランジャに形成される少なくとも1つの溝中にスライド可能にはまる少なくとも1つの前記筐体のタブによって、前記筐体に対して軸方向に可動且つ回転不能に保たれる、請求項1に記載の薬剤投与器具。
- 前記ナット前進プランジャが、用量の投与中、少なくとも1つの前記ナットのフランジと直接擦られるように嵌合してナットの回転に抵抗するする少なくとも1つのフランジを含む、請求項1に記載の薬剤投与器具。
- 前記ねじ要素が、目盛盤として作用し、前記放射状の外面上にある用量を表示する印を備える、請求項9に記載の薬剤投与器具。
- 容器中の薬剤がインスリンである、請求項1に記載の薬剤投与器具。
- 器具の誤用を制限するために、前記ナット回転要素の一部にある少なくとも1つの歯と嵌合可能な、前記ナット前進プランジャにある複数の歯をさらに備える、請求項1に記載の薬剤投与器具。
- 用量の設定を確認するための音を出す手段をさらに備え、前記音を出す手段は、前記ナットから放射状に突き出た縦方向に伸びる2組のリブを含み、各組はナットの外周の90度にかかり互いに180度離れて配置され、さらに、前記音を出す手段は前記プランジャの4つの軸方向に伸びる弾力性のある歯状フィンガーを含み、前記歯状フィンガーは前記プランジャの外周に90度間隔で配置される、請求項1に記載の薬剤投与器具。
- 注射器の端部を示すための手段をさらに備え、前記表示手段は、別々に形成され前記筐体に対して回転不能に保たれる隔壁の近位面から突き出し、それによって全体が形成される歯状端部を有する弾力性のあるアームを含み、前記表示手段はさらに、前記ねじ要素が注射時に完全に末端に向かって前記筐体へねじ込まれると前記アームの前記歯状端部が音を立てる前記ねじ要素の環状の遠心面にあるつめを含み、前記隔壁の一部が終端となり、その結果として前記ねじ要素が完全に末端に向かって前記筐体へねじ込まれると、前記ねじ要素が急停止する、請求項1に記載の薬剤投与器具。
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PCT/US2004/022312 WO2005018721A1 (en) | 2003-08-12 | 2004-08-09 | Medication dispensing apparatus with triple screw threads for mechanical advantage |
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EP1656170A1 (en) | 2006-05-17 |
PL1656170T3 (pl) | 2019-08-30 |
KR20060061822A (ko) | 2006-06-08 |
PT1656170T (pt) | 2019-05-31 |
US20080027397A1 (en) | 2008-01-31 |
AU2004266131C1 (en) | 2010-12-16 |
CY1123921T1 (el) | 2021-10-29 |
CA2530263C (en) | 2012-04-17 |
AU2004266131A1 (en) | 2005-03-03 |
DK1656170T3 (en) | 2019-04-29 |
KR101121317B1 (ko) | 2012-03-09 |
NO338195B1 (no) | 2016-08-01 |
US7427275B2 (en) | 2008-09-23 |
HUE045070T2 (hu) | 2019-12-30 |
AU2004266131B2 (en) | 2010-03-11 |
TR201903984T4 (tr) | 2019-04-22 |
ES2721548T3 (es) | 2019-08-01 |
NO20061150L (no) | 2006-05-04 |
EP1656170B1 (en) | 2019-03-13 |
JP2007502146A (ja) | 2007-02-08 |
CA2530263A1 (en) | 2005-03-03 |
SI1656170T1 (sl) | 2019-05-31 |
US7291132B2 (en) | 2007-11-06 |
ZA200601093B (en) | 2009-08-26 |
CN100531813C (zh) | 2009-08-26 |
CN1835774A (zh) | 2006-09-20 |
WO2005018721A1 (en) | 2005-03-03 |
US20060206057A1 (en) | 2006-09-14 |
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