JPH09512472A - 薬物注入ポンプ用急速応答型閉塞検出器 - Google Patents
薬物注入ポンプ用急速応答型閉塞検出器Info
- Publication number
- JPH09512472A JPH09512472A JP8526873A JP52687396A JPH09512472A JP H09512472 A JPH09512472 A JP H09512472A JP 8526873 A JP8526873 A JP 8526873A JP 52687396 A JP52687396 A JP 52687396A JP H09512472 A JPH09512472 A JP H09512472A
- Authority
- JP
- Japan
- Prior art keywords
- drug
- output signal
- difference
- patient
- lead screw
- 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.)
- Granted
Links
- 229940079593 drug Drugs 0.000 title claims abstract description 133
- 239000003814 drug Substances 0.000 title claims abstract description 133
- 238000001802 infusion Methods 0.000 title claims abstract description 36
- 230000004044 response Effects 0.000 title claims description 13
- 238000000034 method Methods 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000012377 drug delivery Methods 0.000 abstract description 12
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 8
- 102000004877 Insulin Human genes 0.000 description 4
- 108090001061 Insulin Proteins 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229940125396 insulin Drugs 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000002483 medication Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001647 drug administration Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/16854—Monitoring, detecting, signalling or eliminating infusion flow anomalies by monitoring line pressure
-
- 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
- A61M5/1456—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir comprising a piston rod to be moved into the reservoir, e.g. the piston rod is part of the removable reservoir
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)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.薬物を収容するチャンバを構成する注射器と、患者に薬物チャンバを接続す るための注入チューブと、患者への薬物の投与量を投与するために薬物チャンバ の中へ前進するピストンプランジャと、薬物の一連の別々の投与量を患者に投与 するためにピストンプランジャを薬物チャンバの中へ調整可能に前進させる駆動 手段とを有する、薬物注入ポンプ用の急速応答型閉塞検出器であって、 薬物チャンバ内の薬物に加えられた圧力を表す出力信号を監視しかつこれを 出すための力センサ手段と、 前記出力信号を受け入れるための、前記力センサ手段に接続された制御回路 手段と、を有し、前記制御回路手段は、実質的に、薬物投与量を投与する注射器 プランジャの前進に対応する時点での第1の出力信号と、実質的に前記プランジ ャの前進後、次の投与量前の遅い時点での第2の出力信号との間の差を比較する ための比較手段を含み、 前記第1の出力信号と前記第2の出力信号との差が所定値より小さいときに 前記制御回路手段によって作動される警報手段を更に有する、閉塞検出器。 2.駆動手段は、ポンプハウジング内で回転可能に支持されたリードねじと、前 記リードねじで螺合可能に支持され、注射器プランジャに連結された手段を含む リードねじナットと、リードねじを回転可能に駆動するためのステッピングモー タとを含むリードねじ組立体からなり、前記力センサ手段は、薬物チャンバ内の 薬物に加えられた圧力に比例してリードねじに加わえられた反力を検出するため に前記リードねじの一端とポンプハウジングとの間に取付けられた可変抵抗器検 出器を有する、請求項1に記載の急速応答型閉塞検出器。 3.前記制御回路手段は、前記第1の出力信号と前記第2の出力信号との間の差 が所定回数続く投与量の間、前記所定値より小さくなるまで前記警報手段の作動 を防ぐための手段を含む、請求項1に記載の急速応答型閉塞検出器。 4.前記制御回路手段は、第1の出力信号が所定の低レベル限度を超えない限り 前記警報手段の作動を防ぐための手段を含む、請求項1に記載の急速応答型閉塞 検出器。 5.前記制御回路手段は更に、実質的に、薬物を投与する注射器プランジャの前 進の直前の時点での第3の出力信号と薬物を投与する注射器プランジャの前進に 対応する遅い時点での第4の出力信号との差を比較するための手段を含み、前記 第3の出力信号と前記第4の出力信号との間の差が所定値より小さいとき前記警 報手段が前記制御回路手段によって作動される、請求項1に記載の急速応答型閉 塞検出器。 6.薬物を収容するチャンバを構成する注射器と、患者に薬物チャンバを接続す る注入チューブと、薬物投与量を患者に投与するために薬物チャンバの中へ前進 可能なピストンプランジャと、薬物の連続の別々の投与量を患者に投与するため にピストンプランジャを薬物チャンバの中へ調整可能に前進させる駆動手段とを 有する薬物注入ポンプの閉塞状態を検出する方法であって、 薬物チャンバ内で薬物に加わる圧力を表す出力信号を監視しかつこれを出し 、 薬物投与量を投与する注射器プランジャの実質的に前進に対応する時点での 第1の出力信号と実質的に前記プランジャの前進後、次の投与の直前の遅い時点 での第2の出力信号との間の差を比較し、 前記第1の出力信号と前記第2の出力信号との差が所定値より小さいときに 警報器を作動させる段階を有する閉塞状態を検出する方法。 7.駆動手段は、ポンプハウジング内で回転可能に支持されたリードねじと、前 記リードねじに螺合可能に設けられ、注射器プランジャに連結された手段を含む リードねじナットと、リードねじを回転可能に駆動するためのステッピングモー タとを含むリードねじ組立体とを有し、前記圧力を監視する段階は、薬物チャン バ内で薬物に加わえられた圧力に比例してリードねじに加わえられる反力を検出 することを有する、請求項6に記載の方法。 8.前記第1の出力信号と前記第2の出力信号との間の差が所定回数続く投与量 のための前記所定値より小さくなるまで警報器を無能力にする段階を更に含む、 請求項6に記載の方法。 9.第1の出力信号が所定の低レベル限度を超えない限り警報器を無能力にする 段階を更に含む、請求項6に記載の方法。 10.薬物を投与するための注射器プランジャの実質的に前進の直前の時点での第 3の出力信号と薬物を投与するための注射器プランジャの前進に対応する時点に おける遅い一点での第4の出力信号との差を比較するための方法を含み、前記第 3の出力信号と前記第4の出力信号との間の差が所定値より小さいときに警報器 を作動させる、請求項6に記載の方法。 11.薬物を収容するチャンバを構成する注射器と、患者に薬物チャンバを接続す るための注入チューブと、薬物の投与量を患者に投与するために薬物チャンバの 中へ前進可能なピストンプランジャと、薬物の連続の別々の投与量を患者に投与 するためにピストンプランジャを薬物チャンバの中へ調整可能に前進させる駆動 手段とを有する薬物注入ポンプに使用する故障状態検出器であって、 薬物チャンバ内の薬物に加わえられた圧力を表す出力信号を監視しかつこれ を出すための力センサ手段と、 前記出力信号を受け入れるための、前記力センサ手段に接続された制御回路 手段と、を有し、前記制御回路手段は、異なる選択された時点で測定された第1 の出力信号と第2の出力信号との間の差を比較するための比較手段を含み、前記 差が所定範囲外のとき故障状態を表示する制御回路手段と、 前記差が故障状態を表示するときに前記制御回路手段によって作動される警 報手段、を更に有する、閉塞検出器。 12.薬物を収容するチャンバを構成する注射器と、薬物チャンバを患者に接続す るための注入チューブと、薬物の投与量を患者に投与するために薬物チャンバの 中へ前進可能なピストンプランジャと、薬物の連続の別々の投与量を患者に投与 するためにピストンプランジャを薬物チャンバの中へ調整可能に前進させる駆動 手段とを有する、薬物注入ポンプの故障状態を検出する方法であって、 薬物チャンバ内の薬物に加わえられた圧力を表す出力信号を監視しかつこれ を出し、異なる選択された時点で測定された前記第1の出力信号と前記第2の出 力信号との間の差を比較し、そこで前記差が所定範囲外のとき故障状態を表示し 、 前記差が故障状態を表示するとき警報器を作動させる段階を有する故障状態 を検出する方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/397,797 | 1995-03-03 | ||
| US08/397,797 US5647853A (en) | 1995-03-03 | 1995-03-03 | Rapid response occlusion detector for a medication infusion pump |
| PCT/US1996/002199 WO1996027398A1 (en) | 1995-03-03 | 1996-02-20 | Rapid response occlusion detector for a medication infusion pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09512472A true JPH09512472A (ja) | 1997-12-16 |
| JP4188414B2 JP4188414B2 (ja) | 2008-11-26 |
Family
ID=23572659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52687396A Expired - Lifetime JP4188414B2 (ja) | 1995-03-03 | 1996-02-20 | 薬物注入ポンプ用急速応答型閉塞検出器 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5647853A (ja) |
| EP (1) | EP0758253B1 (ja) |
| JP (1) | JP4188414B2 (ja) |
| CA (1) | CA2187094C (ja) |
| DE (1) | DE69625294T2 (ja) |
| WO (1) | WO1996027398A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012091068A (ja) * | 2005-12-30 | 2012-05-17 | Medtronic Minimed Inc | 携帯型注入ポンプにおける閉塞を検出する方法および装置 |
| US8182461B2 (en) | 2003-11-04 | 2012-05-22 | Smiths Medical Asd, Inc. | Syringe pump rapid occlusion detection system |
| US9011371B2 (en) | 1998-10-29 | 2015-04-21 | Medtronic Minimed, Inc. | Method and apparatus for detecting occlusions in an ambulatory infusion pump |
| KR20200107305A (ko) | 2019-03-07 | 2020-09-16 | 부산대학교 산학협력단 | 연동형 약물 주입 펌프의 실제 방출 속도 추정 방법 및 이를 이용한 연동형 약물 주입 펌프 구동상태 검사장치 |
| JP2023537497A (ja) * | 2020-08-06 | 2023-09-01 | ベクトン・ディキンソン・アンド・カンパニー | 可撓性リザーバー、薬剤送達システム、パッチポンプおよび薬剤送達デバイスを備えた置換ポンプ機構 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE510420C2 (sv) * | 1994-11-14 | 1999-05-25 | Cma Microdialysis Ab | Infusions- och mikrodialyspump |
| JP3874484B2 (ja) * | 1997-03-05 | 2007-01-31 | スーガン株式会社 | 医療用インジェクタヘッド |
| US5808203A (en) * | 1997-05-12 | 1998-09-15 | Medrad, Inc. | Fluid pressure measurement devices |
| DE19723648C1 (de) | 1997-06-05 | 1998-08-27 | Disetronic Licensing Ag | Vorrichtung zur dosierten Verabreichung einer Medikamentflüssigkeit |
| US5954643A (en) * | 1997-06-09 | 1999-09-21 | Minimid Inc. | Insertion set for a transcutaneous sensor |
| CH692543A5 (de) | 1997-09-25 | 2002-07-31 | Disetronic Licensing Ag | Abgabevorrichtung mit Signalgeber. |
| US6056718A (en) | 1998-03-04 | 2000-05-02 | Minimed Inc. | Medication infusion set |
| US9066695B2 (en) | 1998-04-30 | 2015-06-30 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
| US6949816B2 (en) | 2003-04-21 | 2005-09-27 | Motorola, Inc. | Semiconductor component having first surface area for electrically coupling to a semiconductor chip and second surface area for electrically coupling to a substrate, and method of manufacturing same |
| US8480580B2 (en) | 1998-04-30 | 2013-07-09 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
| US8688188B2 (en) | 1998-04-30 | 2014-04-01 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
| US8974386B2 (en) | 1998-04-30 | 2015-03-10 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
| US6175752B1 (en) | 1998-04-30 | 2001-01-16 | Therasense, Inc. | Analyte monitoring device and methods of use |
| US8346337B2 (en) | 1998-04-30 | 2013-01-01 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
| US8465425B2 (en) | 1998-04-30 | 2013-06-18 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
| US5993423A (en) * | 1998-08-18 | 1999-11-30 | Choi; Soo Bong | Portable automatic syringe device and injection needle unit thereof |
| US6554798B1 (en) * | 1998-08-18 | 2003-04-29 | Medtronic Minimed, Inc. | External infusion device with remote programming, bolus estimator and/or vibration alarm capabilities |
| DE19840965A1 (de) | 1998-09-08 | 2000-03-09 | Disetronic Licensing Ag | Vorrichtung zur Selbstverabreichung eines Produktfluids |
| DE19840992A1 (de) | 1998-09-08 | 2000-03-09 | Disetronic Licensing Ag | Drucküberwachung eines bei einer Infusion oder Injektion dosiert zu verabreichenden Produktfluids |
| CA2345439C (en) | 1998-10-29 | 2005-08-09 | Minimed, Inc. | Compact pump drive system |
| US20020173748A1 (en) * | 1998-10-29 | 2002-11-21 | Mcconnell Susan | Reservoir connector |
| US6817990B2 (en) | 1998-10-29 | 2004-11-16 | Medtronic Minimed, Inc. | Fluid reservoir piston |
| US6248093B1 (en) | 1998-10-29 | 2001-06-19 | Minimed Inc. | Compact pump drive system |
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| US6164921A (en) | 1998-11-09 | 2000-12-26 | Moubayed; Ahmad Maher | Curvilinear peristaltic pump having insertable tubing assembly |
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| DE19947826B4 (de) * | 1999-10-05 | 2006-06-08 | Disetronic Licensing Ag | Vorrichtung zur dosierten Verabreichung eines injizierbaren Produkts |
| US7063684B2 (en) * | 1999-10-28 | 2006-06-20 | Medtronic Minimed, Inc. | Drive system seal |
| FR2806310B1 (fr) * | 2000-03-16 | 2002-05-24 | Fresenius Vial | Procede d'analyse de la variation de pression dans un dispositif de perfusion comprenant plusieurs modules de perfusion |
| US6485465B2 (en) * | 2000-03-29 | 2002-11-26 | Medtronic Minimed, Inc. | Methods, apparatuses, and uses for infusion pump fluid pressure and force detection |
| US6485461B1 (en) | 2000-04-04 | 2002-11-26 | Insulet, Inc. | Disposable infusion device |
| US6652493B1 (en) | 2000-07-05 | 2003-11-25 | Animas Corporation | Infusion pump syringe |
| GB0020060D0 (en) * | 2000-08-16 | 2000-10-04 | Smiths Industries Plc | Syringe pumps |
| EP1335764B1 (en) * | 2000-09-08 | 2007-06-06 | Insulet Corporation | Device and system for patient infusion |
| US6669669B2 (en) | 2001-10-12 | 2003-12-30 | Insulet Corporation | Laminated patient infusion device |
| US6609431B1 (en) | 2000-09-29 | 2003-08-26 | Xellogy, Inc. | Flow measuring device based on predetermine class of liquid |
| US7500959B2 (en) * | 2000-10-05 | 2009-03-10 | Novo Nordisk A/S | Medication delivery system with improved dose accuracy |
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- 1996-02-20 DE DE69625294T patent/DE69625294T2/de not_active Expired - Lifetime
- 1996-02-20 JP JP52687396A patent/JP4188414B2/ja not_active Expired - Lifetime
- 1996-02-20 WO PCT/US1996/002199 patent/WO1996027398A1/en not_active Ceased
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9011371B2 (en) | 1998-10-29 | 2015-04-21 | Medtronic Minimed, Inc. | Method and apparatus for detecting occlusions in an ambulatory infusion pump |
| US9033925B2 (en) | 1998-10-29 | 2015-05-19 | Medtronic Minimed, Inc. | Methods and apparatuses for detecting occlusions in an ambulatory infusion pump |
| US9327073B2 (en) | 1998-10-29 | 2016-05-03 | Medtronic Minimed, Inc. | Method and apparatus for detecting occlusions in an ambulatory infusion pump |
| US9364608B2 (en) | 1998-10-29 | 2016-06-14 | Medtronic Minimed, Inc. | Method and apparatus for detecting occlusions in an ambulatory infusion pump |
| US9433732B2 (en) | 1998-10-29 | 2016-09-06 | Medtronic Minimed, Inc. | Methods and apparatuses for detecting occlusions in an ambulatory infusion pump |
| US9433733B2 (en) | 1998-10-29 | 2016-09-06 | Medtronic Minimed, Inc | Methods and apparatuses for detecting occlusions in an ambulatory infusion pump |
| US8182461B2 (en) | 2003-11-04 | 2012-05-22 | Smiths Medical Asd, Inc. | Syringe pump rapid occlusion detection system |
| US8900213B2 (en) | 2003-11-04 | 2014-12-02 | Brian Pope | Syringe pump rapid occlusion detection system |
| JP2012091068A (ja) * | 2005-12-30 | 2012-05-17 | Medtronic Minimed Inc | 携帯型注入ポンプにおける閉塞を検出する方法および装置 |
| JP2014057886A (ja) * | 2005-12-30 | 2014-04-03 | Medtronic Minimed Inc | 携帯型注入ポンプにおける閉塞を検出する方法および装置 |
| KR20200107305A (ko) | 2019-03-07 | 2020-09-16 | 부산대학교 산학협력단 | 연동형 약물 주입 펌프의 실제 방출 속도 추정 방법 및 이를 이용한 연동형 약물 주입 펌프 구동상태 검사장치 |
| JP2023537497A (ja) * | 2020-08-06 | 2023-09-01 | ベクトン・ディキンソン・アンド・カンパニー | 可撓性リザーバー、薬剤送達システム、パッチポンプおよび薬剤送達デバイスを備えた置換ポンプ機構 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69625294T2 (de) | 2004-01-29 |
| JP4188414B2 (ja) | 2008-11-26 |
| DE69625294D1 (de) | 2003-01-23 |
| US5647853A (en) | 1997-07-15 |
| CA2187094A1 (en) | 1996-09-12 |
| EP0758253B1 (en) | 2002-12-11 |
| EP0758253A1 (en) | 1997-02-19 |
| CA2187094C (en) | 2006-01-31 |
| WO1996027398A1 (en) | 1996-09-12 |
| EP0758253A4 (en) | 1998-09-16 |
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