JP6997498B2 - 注射デバイスアセンブリ内のステータス感知システム - Google Patents
注射デバイスアセンブリ内のステータス感知システム Download PDFInfo
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- JP6997498B2 JP6997498B2 JP2020543762A JP2020543762A JP6997498B2 JP 6997498 B2 JP6997498 B2 JP 6997498B2 JP 2020543762 A JP2020543762 A JP 2020543762A JP 2020543762 A JP2020543762 A JP 2020543762A JP 6997498 B2 JP6997498 B2 JP 6997498B2
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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
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/206—With automatic needle insertion
-
- 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
- A61M2005/2073—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically preventing premature release, e.g. by making use of a safety lock
- A61M2005/208—Release is possible only when device is pushed against the skin, e.g. using a trigger which is blocked or inactive when the device is not pushed against the skin
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/13—General characteristics of the apparatus with means for the detection of operative contact with patient, e.g. lip sensor
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
-
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3317—Electromagnetic, inductive or dielectric measuring means
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/35—Communication
- A61M2205/3546—Range
- A61M2205/3553—Range remote, e.g. between patient's home and doctor's office
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/587—Lighting arrangements
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8275—Mechanical
- A61M2205/8287—Mechanical operated by an external magnetic or electromagnetic field
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)
- Injection Moulding Of Plastics Or The Like (AREA)
- Measuring Volume Flow (AREA)
Description
T(t)=時間tでの本体の温度、
T∞=本体を取り囲む媒体の(例えば、大気の)周囲温度、
Ti=本体の初期温度である
(1)Sf[n]≧Smin
(2)Dmin≦Sint[n]≦Dmax
(3)nの前のサンプル数N内で、加速度スパイクが検出されない。
(1)第1および第2の加速度スパイクの間の全期間中に検出された皮膚接触。
(2)第1および第2の加速度スパイクの間のいくつかの時点で、ただし短時間、検出された皮膚接触。
(3)第1および第2の加速度スパイクの間のいくつかの時点の指定された持続時間、例えば、1~3秒、または第1および第2の加速度スパイクの間の期間の50~100%の間、検出された皮膚接触。
(4)第1の加速度スパイク時のみ、ただし短時間、検出された皮膚接触。
(5)第1の加速度スパイク時に指定された期間、検出された皮膚接触
(6)第2の加速度スパイク時のみ、ただし短時間、検出された皮膚接触
(7)第2の加速度スパイクまで指定された期間、検出された皮膚接触
Claims (15)
- 注射デバイスアセンブリであって、
近位端および遠位端を有するデバイスハウジングであって、前記ハウジングは、前記近位端と前記遠位端の間の長手方向軸に沿って延在する内部容積と、前記内部容積と連通している、前記ハウジングの前記近位端の近位開口部とを画定する、前記デバイスハウジング
を備え、
前記デバイスハウジングは、
ユーザの手で把持されるように構成されたユーザ把持可能部分であって、前記ユーザ把持可能部分が、第1の半径方向距離だけ前記長手方向軸から外方に延在している、前記ユーザ把持可能部分、および
前記近位開口部に隣接する、前記ハウジングの前記近位端の外方に広がった端部分であって、前記外方に広がった端部分が、前記第1の半径方向距離より大きい第2の半径方向距離だけ前記長手方向軸から外方に延在している、前記外方に広がった端部分
を備え、
前記注射デバイスアセンブリは、さらに、
前記内部容積内に少なくとも部分的に配設された注射器アセンブリであって、前記注射器アセンブリが、(i)薬剤を保持するように構成されたバレル、(ii)前記バレル内で前記長手方向軸に沿って摺動するように構成されたピストン、および(iii)前記バレルから延在する注射針を含む、前記注射器アセンブリと、
分注イベント時に、前記注射器アセンブリを格納位置から注射位置に移動させ、前記ピストンを前記バレル内で近位に駆動し、それによって、前記バレルから前記薬剤を分注するように構成された駆動機構と、
前記デバイスハウジングの前記外方に広がった端部分内に配設された1つ以上のメインプリント回路基板(PCB)であって、前記1つ以上のメインPCBは、前記注射器アセンブリの少なくとも一部分が前記分注イベント中に通過するように構成されている開口部を画定し、前記1つ以上のメインPCBは、前記第1の半径方向距離より大きい半径方向距離だけ前記長手方向軸から離れて延在し、前記1つ以上のメインPCBは、少なくとも1つの無線高周波数(RF)アンテナ、および前記1つ以上の無線RFアンテナを介して外部デバイスに無線でデータを送信するように構成された処理回路を備える、前記1つ以上のメインPCBと
を備え、
前記1つ以上のメインPCBは、前記近位開口部を取り囲む複数のセンサをさらに含み、各センサは皮膚組織との接触を検出するように構成されている、前記注射デバイスアセンブリ。 - 前記第1の半径方向距離が、10mm以下である、請求項1に記載の注射デバイスアセンブリ。
- 前記第1の半径方向距離が、8mm以下であり、前記1つ以上のPCBは、前記長手方向軸から半径方向外方に15mm以上延在する、請求項1に記載の注射デバイスアセンブリ。
- 各センサが、測定された電気抵抗に基づいて皮膚組織との接触を検出するように構成されており、各センサが、前記第1の半径方向距離より大きい半径方向距離だけ前記長手方向軸から外方に位置している、請求項1に記載の注射デバイスアセンブリ。
- 各センサが、前記長手方向軸から10mm以上半径方向外方に位置する、請求項1に記載の注射デバイスアセンブリ。
- 各センサが、前記長手方向軸から15mm以上半径方向外方に位置する、請求項1に記載の注射デバイスアセンブリ。
- 前記デバイスハウジングと統合された1つ以上の発光ダイオード(LED)をさらに含み、前記処理回路が、前記1つ以上のLEDを使用して、前記複数のセンサのうちのどの個々のセンサが皮膚組織との接触を検出したか、および前記複数のセンサのうちのどの個々のセンサが皮膚組織との接触を検出していないかを示す指示を前記ユーザに提供するように構成されている、請求項1に記載の注射デバイスアセンブリ。
- 前記処理回路が、無線データ送信を介して前記外部デバイスに、前記複数のセンサのうちのどの個々のセンサが皮膚組織との接触を検出したか、および前記複数のセンサのうちのどの個々のセンサが皮膚組織との接触を検出していないかを示すデータを送信するように構成されている、請求項1に記載の注射デバイスアセンブリ。
- 前記1つ以上のメインPCBに通信可能に連結された1つ以上の二次PCBをさらに備え、前記1つ以上の二次PCBが、前記長手方向軸に平行に延在し、1つ以上のセンサを含む、請求項1に記載の注射デバイスアセンブリ。
- 前記バレルに隣接して配設された温度センサをさらに備え、前記処理回路が、前記温度センサの出力に基づいて前記薬剤の温度を推定するように構成されている、請求項1に記載の注射デバイスアセンブリ。
- 前記注射器アセンブリが、前記格納位置、前記注射位置、および後退位置のうちの少なくとも1つにあるか否かを決定するように構成されたマイクロスイッチセンサをさらに備える、請求項1に記載の注射デバイスアセンブリ。
- 前記マイクロスイッチセンサが、前記1つ以上のメインPCB上に配設されている、請求項11に記載の注射デバイス。
- 前記ピストンが前記バレル内で前記長手方向軸に沿って摺動するときに前記ピストンから一定の軸方向距離を維持するように構成された磁石と、
前記磁石の感知された磁場に基づいて第1の信号を出力するように構成された、前記1つ以上のメインPCB上に配設された第1の磁力計と
をさらに備え、
前記処理回路が、前記第1の磁力計によって出力された前記第1の信号に少なくとも部分的に基づいて、前記バレル内での前記長手方向軸に沿った前記ピストンの軸方向位置を推定するように構成されている、請求項1に記載の注射デバイスアセンブリ。 - 前記1つ以上のメインPCBから離れ、前記バレルに隣接して配設された少なくとも第2の磁力計をさらに備え、前記第2の磁力計が、前記磁石の感知された磁場に基づいて第2の信号を出力するように構成されており、前記処理回路が、前記第1の磁力計によって出力された前記第1の信号および前記第2の磁力計によって出力された前記第2の信号の両方に基づいて前記ピストンの前記軸方向位置を推定するように構成されている、請求項13に記載の注射デバイスアセンブリ。
- 前記第2の磁力計が、半径方向に、前記第1の磁力計よりも前記長手方向軸の近くに位置する、請求項14に記載の注射デバイスアセンブリ。
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