JP4402648B2 - 被検体内導入装置 - Google Patents
被検体内導入装置 Download PDFInfo
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- JP4402648B2 JP4402648B2 JP2005363920A JP2005363920A JP4402648B2 JP 4402648 B2 JP4402648 B2 JP 4402648B2 JP 2005363920 A JP2005363920 A JP 2005363920A JP 2005363920 A JP2005363920 A JP 2005363920A JP 4402648 B2 JP4402648 B2 JP 4402648B2
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- 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
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
- A61M5/14276—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body specially adapted for implantation
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- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
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- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
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- 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
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
- A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
- A61M2005/14252—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion 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
- 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
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1585—Needle inserters
-
- 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
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0266—Shape memory materials
-
- 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
- A61M2205/35—Communication
- A61M2205/3507—Communication with implanted devices, e.g. external control
- A61M2205/3515—Communication with implanted devices, e.g. external control using magnetic 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
- A61M2205/35—Communication
- A61M2205/3507—Communication with implanted devices, e.g. external control
- A61M2205/3523—Communication with implanted devices, e.g. external control using telemetric 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
- 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
- A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
- A61M5/152—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags pressurised by contraction of elastic reservoirs
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Description
図1は、この発明の実施の形態1である被検体内導入装置の一構成例を模式的に示す断面模式図である。図2は、図1に示す被検体内導入装置のA−A線断面模式図である。この被検体内導入装置1は、患者等の被検体の内部に導入され、被検体内の患部等の所望部位に薬液を注射するためのものである。このような被検体内導入装置1は、被検体によって飲込まれやすい大きさであるカプセル型の筐体2の内部に、薬液を注射するための局注機能が設けられる。具体的には図1,2に示すように、被検体内導入装置1は、このような筐体2の内部に、薬液を貯蔵する貯蔵室を形成するとともに薬液を吐出する吐出バルーン3と、吐出バルーン3によって吐出された薬液を被検体内の所望部位に注射する複数の注射針4a〜4cと、これら複数の注射針4a〜4cを筐体2から突き出すためのバルーン5とを有する。また、被検体内導入装置1は、吐出バルーン3とバルーン5との連通状態を調整するための弁6と、弁6を開閉するための形状記憶部材7a〜7cと、吐出バルーン3とバルーン5とを支持するための支持部材8とを有する。さらに、被検体内導入装置1は、バルーン5の膨張方向を規制するガイド部材9a,9bと、形状記憶部材7aを駆動制御して弁6の開閉駆動を制御する制御部10と、制御部10に対して駆動電力を供給する電源部11とを有する。また、筐体2には、注射針4a〜4cをそれぞれ挿通するための複数の開口部2a〜2cが設けられる。
つぎに、この発明の実施の形態2について説明する。この実施の形態2にかかる被検体内導入装置は、薬液を吐出するための物理的な力である薬液吐出力を1つの駆動源にし、この駆動源によって注射針を突き出すとともに被検体内の所望部位に対して筐体を固定するように機能する。
つぎに、この発明の実施の形態3について説明する。この実施の形態3にかかる被検体内導入装置は、電源部によって供給される電力を1つの駆動源にし、この駆動源によって注射針を突き出すとともに被検体内の所望部位に対して筐体を固定するよう機能する。
つぎに、この発明の実施の形態4について説明する。この実施の形態4にかかる被検体内導入装置は、外部に発生させた外部磁場による磁力を1つの駆動源にし、この駆動源によって注射針を突き出すとともに被検体内の所望部位に対して筐体を固定するよう機能する。
つぎに、この発明の実施の形態5について説明する。この実施の形態5にかかる被検体内導入装置は、外部に発生させた回転磁場による磁力を1つの駆動源にし、この駆動源によって筐体を消化管壁に押圧し、注射針を突き出すとともに被検体内の所望部位に対して筐体を固定するよう機能する。
つぎに、この発明の実施の形態6について説明する。この実施の形態6にかかる被検体内導入装置は、薬液等の流体の圧力を1つの駆動源にし、この駆動源によって注射針を突き出すとともに被検体内の所望部位に対して筐体を固定するように機能する。
2 筐体
2a,2b,2c 開口部
3 吐出バルーン
4a,4b,4c 注射針
5 バルーン
6 弁
7a,7b,7c 形状記憶部材
8 支持部材
9a,9b ガイド部材
10 制御部
11 電源部
13 ポンプ
14 貯蔵部
15 支持部材
15a 管路
16,17 チューブ
18 被検体内導入装置
21 被検体内導入装置
22 筐体
22a 開口部
22b 内部空間
23 吐出バルーン
24 注射針
25 突出機構
25a ピストン
25b シリンダー
26 弁
27a,27b チューブ
28 支持部材
29 制御部
31 被検体内導入装置
32 筐体
33 吐出バルーン
34 注射針
35 連動部材
35a 押圧部
35b 電極部
35c,35d 形状記憶部材
36 スイッチ回路
37 バネ
38a,38b,38a−1〜38a−3,38b−1〜38b−3 外部電極
38c 内部電極
39 制御部
41 被検体内導入装置
42 筐体
43 吐出バルーン
44 注射針
45 突出機構
45a ピストン
45b シリンダー
45c バネ
46 弁
47a,47b チューブ
48 磁石
49 制御部
50 筐体
51 被検体内導入装置
52 ケース本体
52a 開口部
53 突起部材
54 ドーム部材
54a 開口部
54b,54c バネ
55 吐出バルーン
56 注射針
57a チューブ
57b 支持部材
58 連通調整部材
58a 押圧部
59 磁石
61 被検体内導入装置
62 筐体
62a,62b 開口部
63 吐出バルーン
64 注射針
65 突出機構
65a ピストン
65b シリンダー
65c 内部空間
66 弁
67a,67b チューブ
68 弾性膜
69 制御部
f 遮断膜
T1,T2 端子
Claims (6)
- 被検体内に導入され、筐体内に貯蔵した薬液を前記被検体内の所望部位に注射する被検体内導入装置において、
前記所望部位に対して前記筐体を固定する固定部と、
前記薬液を内包し、収縮力によって前記薬液を吐出する吐出バルーンと、
前記薬液を注射する注射針と、前記吐出バルーンに連通し且つ少なくとも前記注射針が取り付けられる突出バルーンとを有し、前記吐出バルーンから前記突出バルーンに吐出された前記薬液を注射する前記所望部位に向けて前記筐体から前記注射針を突き出す突出部と、
前記吐出バルーンと前記突出バルーンとの連通を開閉する弁と、
前記弁の開閉駆動を制御する制御部と、
を備え、前記突出バルーンは、前記吐出バルーンから吐出された前記薬液の圧力によって膨張するとともに前記筐体から前記注射針を突き出し、前記薬液の圧力低下に伴って収縮するとともに、前記筐体の内部に前記注射針を収納することを特徴とする被検体内導入装置。 - 前記固定部および前記突出部は、連動することを特徴とする請求項1に記載の被検体内導入装置。
- 前記固定部は、前記筐体から突出して前記被検体内の消化管壁を突くとともに前記所望部位に対して前記筐体を固定する1以上の棒状部材を備えたことを特徴とする請求項1または2に記載の被検体内導入装置。
- 前記棒状部材は、前記被検体内の消化管壁に突き刺す針状部材であることを特徴とする請求項3に記載の被検体内導入装置。
- 前記針状部材は、前記薬液を注射する注射針であることを特徴とする請求項4に記載の被検体内導入装置。
- 前記弁を開閉して前記吐出バルーンと前記突出バルーンとの連通状態を調整する形状記憶部材を備え、
前記制御部は、前記形状記憶部材に対する電流供給の有無によって、前記形状記憶部材の形状変化を制御して前記弁の開閉駆動を制御することを特徴とする請求項1に記載の被検体内導入装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005363920A JP4402648B2 (ja) | 2005-12-16 | 2005-12-16 | 被検体内導入装置 |
PCT/JP2006/324973 WO2007069696A1 (ja) | 2005-12-16 | 2006-12-14 | 被検体内導入装置および薬液吐出方法 |
CN2006800471978A CN101330940B (zh) | 2005-12-16 | 2006-12-14 | 被检体内导入装置及药液注射方法 |
EP06834727A EP1980290B1 (en) | 2005-12-16 | 2006-12-14 | Body-insertable apparatus for medical agent discharge |
US12/140,004 US8579883B2 (en) | 2005-12-16 | 2008-06-16 | Body-insertable apparatus and medical agent discharge method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005363920A JP4402648B2 (ja) | 2005-12-16 | 2005-12-16 | 被検体内導入装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007160008A JP2007160008A (ja) | 2007-06-28 |
JP2007160008A5 JP2007160008A5 (ja) | 2008-12-04 |
JP4402648B2 true JP4402648B2 (ja) | 2010-01-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005363920A Expired - Fee Related JP4402648B2 (ja) | 2005-12-16 | 2005-12-16 | 被検体内導入装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8579883B2 (ja) |
EP (1) | EP1980290B1 (ja) |
JP (1) | JP4402648B2 (ja) |
CN (1) | CN101330940B (ja) |
WO (1) | WO2007069696A1 (ja) |
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US9017310B2 (en) * | 2009-10-08 | 2015-04-28 | Palo Alto Research Center Incorporated | Transmucosal drug delivery device and method including microneedles |
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EP1980290B1 (en) | 2013-02-13 |
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