JP6038220B2 - 薬剤投与装置 - Google Patents
薬剤投与装置 Download PDFInfo
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- JP6038220B2 JP6038220B2 JP2015080890A JP2015080890A JP6038220B2 JP 6038220 B2 JP6038220 B2 JP 6038220B2 JP 2015080890 A JP2015080890 A JP 2015080890A JP 2015080890 A JP2015080890 A JP 2015080890A JP 6038220 B2 JP6038220 B2 JP 6038220B2
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Description
図1は、本発明の実施の形態1に係る薬剤投与装置の全体斜視図である。
図10は、本発明の実施の形態2に係る製剤を自動溶解させる薬剤投与装置の内部断面図である。図6と同一構成部分には同一符号を付して重複箇所の説明については、ここでは省略する。
実施の形態3は、針取付け検知機能をなくし、製剤投与時に押下される薬剤投与ボタン9が押された時のタイマ21の運針ついて、詳細に説明する。
2 筐体
3 先端キャップ
4 確認窓
5 シリンジカバー
5b 検出用突起
6 電源ボタン
7 エア抜きボタン
8 完了ボタン
9 薬剤投与ボタン
10 LCD
11,44 製剤シリンジ
11a シールゴム
11b シリンジ端面
11c 製剤
12 ピストンケース
13 シリンジ検出スイッチ
14 シリンジカバー検出部
14a シリンジカバー検出レバー
14b シリンジカバー検出レバースプリング
14c シリンジカバー検出スイッチ
15 ピストン
16 ピストン駆動用モータ
17 注射針
18 注射針検出レバー機構
18a 注射針検出レバー
18b 検出用突起
18c 注射針検出レバースプリング
18d バネ固定栓
19 注射針検出スイッチ
20 カレンダ
21 タイマ
21A 内蔵タイマ
22 電源部
23 マイクロプロセッサ
23A 記憶部
24 モータドライブ回路
25 電流検知回路
26 エンコーダ
27 表示部
28 サウンダ
29 バイブレータ
30 通信部
44a 粉末製剤
44b シリンジ凸部
44c 薬液
44d ゴムA
44e ゴムB
Claims (10)
- 製剤が入った製剤シリンジが装着され、生体に対して前記製剤を投与する薬剤投与装置であって、
前記製剤の投与時に押下される薬剤投与ボタンと、
前記製剤シリンジの交換後に前記薬剤投与ボタンが押下されることにより、前記製剤の使用開始時を判断するマイクロプロセッサと、
前記マイクロプロセッサが前記製剤の使用開始時を判断すると運針されるタイマと、
前記製剤の使用開始時を記憶する記憶部と、
前記タイマによりカウントされた前記製剤の使用開始時からの経過時間の情報を報知する報知手段と、を備え、
前記製剤シリンジ内の製剤は複数回に分けて投与されるとともに、投与の都度、注射針が装着され、前記薬剤投与ボタンの押下により所定量の前記製剤が投与され、投与後には前記注射針が取り外される構成であり、
前記マイクロプロセッサは、前記製剤シリンジが交換された場合に新品の製剤シリンジと判断し、その後に初めて前記薬剤投与ボタンが押下されたときを、前記製剤の使用開始時として判断し、前記タイマを運針させて、前記製剤の使用開始からの経過時間を管理する、
薬剤投与装置。 - 前記報知手段は、表示手段、音声出力手段もしくは振動出力手段、または、これらの組合せにより、報知する、
請求項1に記載の薬剤投与装置。 - 前記製剤の使用期限と、前記タイマによりカウントされた製剤の使用開始からの経過時間とに基づいて前記製剤の使用期限までの残り時間を算出する残り時間算出手段と、を備え、
前記報知手段は、前記製剤の使用開始からの経過時間、及び/または、前記残り時間算出手段により算出された前記製剤の使用期限までの残り時間を報知する、
請求項1または2に記載の薬剤投与装置。 - 前記タイマは比較的長い時間用としてカレンダを併用するか、または、前記タイマの代わりに、前記カレンダで代用する、
請求項1から3のいずれか一つに記載の薬剤投与装置。 - 前記報知手段は、前記タイマによりカウントされた経過時間が所定の値を超えた場合、又は前記製剤の使用期限までの残り時間が所定の値以下の場合に、アラームで警告報知する、
請求項1から4のいずれか一つに記載の薬剤投与装置。 - 製剤投与を実行する製剤投与手段と、
前記タイマによりカウントされた製剤の使用開始からの経過時間が、前記製剤シリンジの有効使用期限を過ぎた場合、前記製剤投与手段の動作を停止する製剤投与防止手段と、
を備える請求項1から5のいずれか一つに記載の薬剤投与装置。 - 前記製剤シリンジが薬剤投与装置へ装着されていることを検出するシリンジ検出スイッチを、さらに備え、
前記マイクロプロセッサは、前記シリンジ検出スイッチにより、前記製剤シリンジが薬剤投与装置に装着されたか否かを判断する、
請求項1から6のいずれか一つに記載の薬剤投与装置。 - 前記製剤の使用期限を含む期限関連情報を入力する入力手段を備え、
前記記憶部は、前記入力手段により入力された期限関連情報を記憶し、
前記タイマによりカウントされた製剤の使用開始からの前記経過時間と、前記記憶部に記憶された前記期限関連情報と、を比較し、
前記報知手段は、その比較結果に基づいて、報知する、
請求項1から7のいずれか一つに記載の薬剤投与装置。 - 前記入力手段は、通信部またはキー操作部である、
請求項8に記載の薬剤投与装置。 - 前記通信部は、無線通信、または、有線通信であって、外部機器から時間関連情報を受信し、
前記記憶部は、前記通信部が受信した時間関連情報を記憶する、
請求項9に記載の薬剤投与装置。
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