JP6886070B2 - 薬物送達装置のための用量検出モジュール - Google Patents
薬物送達装置のための用量検出モジュール Download PDFInfo
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61M5/3155—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe
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- A—HUMAN NECESSITIES
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- 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
- A61M5/3155—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe
- A61M5/31551—Mechanically operated dose setting member by rotational movement of dose setting member, e.g. during setting or filling of a syringe including axial movement of dose setting member
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- A—HUMAN NECESSITIES
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- A61M5/178—Syringes
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- 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
- A61M5/31566—Means improving security or handling thereof
- A61M5/31568—Means keeping track of the total dose administered, e.g. since the cartridge was inserted
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- A61M5/178—Syringes
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- 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
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- 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
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- A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
- A61M2205/3584—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using modem, internet or bluetooth
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims (24)
- 薬物送達装置であって、
装置本体と、
前記装置本体に取り付けられ、用量送達中に第1の回転軸を中心に前記装置本体に対して回転可能な用量設定部材と、
前記用量設定部材に取り付けられ回転的に固定された被検知要素であって、前記用量設定部材の前記第1の回転軸を中心に半径方向に間隔を置いて配置された第1のギヤ歯を含む前記被検知要素と、
前記装置本体に取り付けられたアクチュエータであって、前記アクチュエータが、用量設定中の第1の動作モード中に、前記用量設定部材と軸方向におよび回転的に固定され、かつ前記第1の回転軸を中心に回転可能であり、前記アクチュエータが、用量送達中の第2の動作モード中に、前記装置本体に対して回転不能であり、前記被検知要素および前記用量設定部材が、送達される投与量に関連して用量送達中に前記アクチュエータに対して回転する、前記アクチュエータと、
用量送達中に前記アクチュエータに取り付けられた回転センサであって、前記回転センサが、第2の回転軸を中心に半径方向に間隔を置いて配置されて回転する第2のギヤ歯を含み、前記第2のギヤ歯は、前記第1のギヤ歯が用量送達中の前記アクチュエータに対する前記被検知要素の回転中に前記第1の回転軸を中心に回転すると、前記第2のギヤ歯が前記第2の回転軸を中心として回転駆動されるように、前記被検知要素の前記第1のギヤ歯によって動作可能に受容されており、前記回転センサが、前記第2のギヤ歯の前記回転に応答して前記用量設定部材の前記回転を検出する、前記回転センサと、
前記回転センサに応答し、用量送達中の前記アクチュエータに対する前記用量設定部材の前記検出された回転に基づいて送達用量を判定するコントローラと
を備える前記薬物送達装置。 - 前記第1のギヤ歯が、前記第1の回転軸を中心に半径方向外側に延在している、請求項1に記載の薬物送達装置。
- 前記回転センサが、前記第2のギヤ歯を含む駆動ギヤを含むエンコーダを備える、請求項1に記載の薬物送達装置。
- 前記エンコーダが、前記第1のギヤ歯の近位に位置付けられた本体を含み、前記第1の回転軸は前記第2の回転軸に対して平行である、請求項3に記載の薬物送達装置。
- 前記用量設定部材が、前記アクチュエータの近位に延在している、請求項1に記載の薬物送達装置。
- 前記第1のギヤ歯が、前記第1の回転軸を中心に半径方向内側に延在している、請求項1に記載の薬物送達装置。
- 前記第2のギヤ歯が、前記アクチュエータの近位に位置付けられ、前記第2の回転軸を中心に半径方向外側に延在している、請求項6に記載の薬物送達装置。
- 前記アクチュエータに取り外し可能に取り付けられたモジュールを備え、前記モジュールが、前記回転センサを含む、請求項1に記載の薬物送達装置。
- 前記用量設定部材が、前記装置本体の外側に露出した外面を備え、前記被検知要素が、前記露出した外面に取り付けられている、請求項8に記載の薬物送達装置。
- 前記被検知要素が、前記露出した外面に取り外し可能に取り付けられている、請求項9に記載の薬物送達装置。
- 前記第1のギヤ歯および前記露出した外面は、前記第1の回転軸に沿って軸方向に整列され、前記モジュールが、前記第1および第2のギヤ歯を覆うように遠位に延在する外壁を含む、請求項9に記載の薬物送達装置。
- 前記回転センサが、前記第2のギヤ歯を備える駆動ギヤを含むエンコーダを備える、請求項11に記載の薬物送達装置。
- 前記エンコーダが、前記モジュールの前記外壁に取り付けられている、請求項12に記載の薬物送達装置。
- 前記モジュールが、コンパートメントを画定する内壁と、前記内壁を取り囲む外壁とを含む、請求項10に記載の薬物送達装置。
- 前記回転センサが、前記第2のギヤ歯を備える駆動ギヤを含むエンコーダを備える、請求項14に記載の薬物送達装置。
- 前記エンコーダが、前記モジュールの前記内壁に取り付けられている、請求項15に記載の薬物送達装置。
- 前記被検知要素が、前記用量設定部材から前記アクチュエータの近位まで前記内壁と前記外壁との間に延在している、請求項14に記載の薬物送達装置。
- 前記第1のギヤ歯が、前記第1の回転軸を中心に半径方向内側に延在している、請求項17に記載の薬物送達装置。
- 前記第2のギヤ歯が、前記アクチュエータの近位に位置付けられ、前記第2の回転軸を中心に半径方向外側に延在している、請求項18に記載の薬物送達装置。
- 前記用量設定部材が、前記装置本体の外側に露出した外面を備え、前記被検知要素が、前記露出した外面に取り付けられ、前記露出した外面の近位に延在しており、前記第1のギヤ歯が、前記アクチュエータの近位に位置付けられており、前記第1の回転軸は前記第2の回転軸に対して平行である、請求項19に記載の薬物送達装置。
- 前記被検知要素が、前記露出した外面に取り外し可能に取り付けられている、請求項20に記載の薬物送達装置。
- 前記第2の回転軸が、前記第1の回転軸とは異なる、請求項1に記載の薬物送達装置。
- 前記第2の回転軸が、前記第1の回転軸に対して平行である、請求項22に記載の薬物送達装置。
- 薬物を含む、請求項1〜23のいずれかに記載の薬物送達装置。
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PCT/US2018/019179 WO2019040118A1 (en) | 2017-08-21 | 2018-02-22 | DOSE DETECTION MODULE FOR DRUG DELIVERY DEVICE |
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