JP2002186672A - Medical capsule device - Google Patents

Medical capsule device

Info

Publication number
JP2002186672A
JP2002186672A JP2001303724A JP2001303724A JP2002186672A JP 2002186672 A JP2002186672 A JP 2002186672A JP 2001303724 A JP2001303724 A JP 2001303724A JP 2001303724 A JP2001303724 A JP 2001303724A JP 2002186672 A JP2002186672 A JP 2002186672A
Authority
JP
Japan
Prior art keywords
capsule
capsule device
medical capsule
bellows
timer switch
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.)
Pending
Application number
JP2001303724A
Other languages
Japanese (ja)
Inventor
Yuichi Ikeda
裕一 池田
Hitoshi Mizuno
均 水野
Masahiro Kudo
正宏 工藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP2001303724A priority Critical patent/JP2002186672A/en
Publication of JP2002186672A publication Critical patent/JP2002186672A/en
Pending legal-status Critical Current

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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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/07—Endoradiosondes
    • A61B5/073—Intestinal transmitters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0204—Operational features of power management
    • A61B2560/0214—Operational features of power management of power generation or supply

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Surgery (AREA)
  • Medicinal Chemistry (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Medicinal Preparation (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a medical capsule device capable of controlling the start of the operation of a function for electrical drive by mounting a timer switch on the capsule. SOLUTION: The medical capsule device is made to pass through a coelomoduct for the purpose of carrying out an examination, curing or treatment. The capsule 56, provided with a compact battery 59, the timer switch 61 and an electric circuit, is characterized as follows: the timer switch 61 enables a voltage from the compact battery 59 to be applied to the electric circuit after a lapse of set time.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】この発明は、体腔内の部位を
直接的に観察し、診断や治療を行う医療用カプセル装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical capsule device for directly observing a site in a body cavity and performing diagnosis and treatment.

【０００２】[0002]

【従来の技術】医療用カプセル装置は、患者の口腔から
体腔内に挿入する内視鏡とは異なり、患者が飲み込むこ
とにより、体外装置と無線的に接続されているため、患
者に与える苦痛を大きく軽減できることで注目されてい
る。2. Description of the Related Art Unlike an endoscope which is inserted into a body cavity from an oral cavity of a patient, a medical capsule device is wirelessly connected to an extracorporeal device by swallowing the patient, thereby reducing the pain given to the patient. It is noted that it can be greatly reduced.

【０００３】従来、例えば、特公昭６３−６２２１６
（特開昭５７−１５６７３６号）公報に示すように、医
療用カプセル装置は、薬液を投与したり、体液、組織を
採取する機能を持っており、体腔内において薬液を投与
し、また体液、組織を採取することができるようになっ
ている。Conventionally, for example, Japanese Patent Publication No. 63-62216
As disclosed in Japanese Patent Application Laid-Open No. 57-156736, a medical capsule device has a function of administering a drug solution, collecting a body fluid and a tissue, and administering a drug solution in a body cavity. Tissue can be collected.

【０００４】また、特願平４−２２４１８０号に示すよ
うに、前述した機能に加えてカプセル本体にセンサやマ
ニピュレータを設け、患部等を積極的にセンシング・処
置することができるものも提案されている。Further, as shown in Japanese Patent Application No. 4-224180, in addition to the above-mentioned functions, a capsule body is provided with a sensor and a manipulator so that an affected part or the like can be positively sensed and treated. I have.

【０００５】[0005]

【発明が解決しようとする課題】しかしながら、従来の
医療用カプセル装置において、カプセルに搭載した薬剤
投与機能やセンサなどの機能の駆動タイミングをタイマ
ー等で簡便にコントロールする工夫が無かった。However, in the conventional medical capsule device, there has been no device for simply controlling the drive timing of the drug administration function and the function of the sensor and the like mounted on the capsule with a timer or the like.

【０００６】この発明は、前記事情に着目してなされた
もので、その目的とするところは、体腔内の所望の部位
およびタイミングで種々の機能を稼動開始できる医療用
カプセル装置を提供することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a medical capsule device capable of starting operation of various functions at a desired site and timing in a body cavity. is there.

【０００７】[0007]

【課題を解決するための手段】この発明は前記目的を達
成するために、体腔内を通過させて検査、治療又は処置
を行う医療用カプセル装置において、電源手段と、タイ
マースイッチと、電気回路とを設け、設定時間経過後、
上記タイマースイッチが上記電源手段からの電圧を上記
電気回路に印加可能にすることを特徴とする。In order to achieve the above object, the present invention provides a medical capsule device for performing examination, treatment or treatment by passing through a body cavity, comprising a power supply means, a timer switch, and an electric circuit. After the set time elapses,
The timer switch enables a voltage from the power supply means to be applied to the electric circuit.

【０００８】[0008]

【作用】カプセルにタイマースイッチを設け、電気的に
駆動させる機能の稼動開始をコントロールできる。これ
によって、体腔内の所望の部位およびタイミングで種々
の手段を機能させることができる。A timer switch is provided on the capsule to control the start of operation of the function to be electrically driven. This allows various means to function at desired locations and timing within the body cavity.

【０００９】[0009]

【発明の実施の形態】以下、この発明の各実施の形態を
図面に基づいて説明する。Embodiments of the present invention will be described below with reference to the drawings.

【００１０】図１（ａ）（ｂ）は第１の実施形態を示
す。図１（ａ）に示すように、カプセル３１を構成する
容器３２内には伸縮性のバルーン３３と通常は収縮状態
にあるベローズ３４が設けられている。バルーン３３の
内部には目的とする消化管内の患部で放出させる薬剤３
５が充填され、リザーバとしての役割を果たしている。FIGS. 1A and 1B show a first embodiment. As shown in FIG. 1A, an elastic balloon 33 and a bellows 34 which is normally in a contracted state are provided in a container 32 constituting a capsule 31. Inside the balloon 33, a drug 3 to be released at the target diseased part in the digestive tract
5 is filled and serves as a reservoir.

【００１１】バルーン３３の一端は容器３２の連通孔３
６と接続され、内外を連通している。一方、ベローズ３
４の一端も容器３２の連通孔３７と接続され、連通孔３
７には消化管内の消化液で選択的に溶解する溶解膜３８
が設けられている。また、連通孔３７にはカプセル３１
の外部からベローズ３４内のみに溶液が浸入してくるよ
うに逆止弁３９が設けられている。また、ベローズ３４
の内腔には消化管内の消化液と化学反応を起こして気体
（ガス）を発生する化学物質４０が充填されている。One end of the balloon 33 is connected to the communication hole 3 of the container 32.
6 and communicates inside and outside. On the other hand, bellows 3
4 is also connected to the communication hole 37 of the container 32,
7 is a dissolving membrane 38 which selectively dissolves in digestive juice in the digestive tract.
Is provided. Further, the capsule 31 is provided in the communication hole 37.
A check valve 39 is provided so that the solution enters only into the bellows 34 from outside. Bellows 34
Is filled with a chemical substance 40 which generates a gas by causing a chemical reaction with digestive fluid in the digestive tract.

【００１２】このように構成されたカプセル３１を胃内
で選択的に薬剤を放出する場合について説明すると、前
記溶解膜３８を胃液で消化されるゼラチン等で構成し、
またベローズ３４の内腔に設ける化学物質４０を胃液
（酸）と反応してガスを発生する物質とする。前記化学
物質４０としては、Ｋ，Ｃａ，Ｎａ，Ｍｇ，Ａ１，Ｚｎ
等の金属あるいはＣａＣＯ３ 等が用いられる。A description will be given of a case where the capsule 31 having the above-described structure selectively releases a drug in the stomach. The dissolving membrane 38 is formed of gelatin or the like digested by gastric juice.
The chemical substance 40 provided in the inner cavity of the bellows 34 is a substance which reacts with gastric juice (acid) to generate gas. As the chemical substance 40, K, Ca, Na, Mg, A1, Zn
Or a metal such as CaCO 3 .

【００１３】患者がカプセル３１を飲み込むと、胃液等
の消化液４１で溶解膜３８が溶解し、図１（ｂ）に示す
ように、胃液が逆止弁３９を介してペローズ３４の内腔
に浸入する。そして、カプセル３１内の化学物質４０と
化学反応を起こし、水素ガス、二酸化炭素ガス等のガス
４２が発生する。ガス４２の発生に伴いベローズ３４は
伸張し、バルーン３３を押圧するため、バルーン３３の
内腔に充填された薬剤３５は連通孔３６を介して胃内に
放出される。When the patient swallows the capsule 31, the dissolving membrane 38 dissolves in the digestive fluid 41 such as gastric juice and the like, and as shown in FIG. Penetrate. Then, a chemical reaction occurs with the chemical substance 40 in the capsule 31, and a gas 42 such as a hydrogen gas and a carbon dioxide gas is generated. As the gas 42 is generated, the bellows 34 expands and presses the balloon 33, so that the medicine 35 filled in the lumen of the balloon 33 is released into the stomach through the communication hole 36.

【００１４】一方、腸内で薬剤放出をさせる場合は、溶
解膜３８を腸液で消化される脂肪酸膜とする。また、ベ
ローズ３４の内腔の化学物質４０を腸液と化学反応を起
こしてガスを発生するＡｌ，Ｚｎ，Ｓｉ，ＮＨ４ Ｃｌ
等とする。On the other hand, when the drug is to be released in the intestine, the dissolving film 38 is made of a fatty acid film digested by intestinal fluid. Further, Al, Zn, Si, NH 4 Cl, which generates a gas by causing a chemical reaction of the chemical substance 40 in the lumen of the bellows 34 with intestinal fluid.
And so on.

【００１５】そして、患者がカプセル３１を飲み込み、
カプセル３１が腸内に到達すると、腸液により脂肪酸膜
からなる溶解膜３８が溶解する。そして、腸液が逆止弁
３９を介してベローズ３４の内腔に浸入する。そして、
カプセル３１内の化学物質４０と化学反応を起こし、水
素ガス、アンモニアガス等のガス４２が発生し、ベロー
ズ３４は伸張し、バルーン３３を押圧するため、バルー
ン３３の内腔に充填された薬剤３５は連通孔３６を介し
て腸内に放出される。Then, the patient swallows the capsule 31,
When the capsule 31 reaches the intestine, the dissolving film 38 composed of a fatty acid film is dissolved by the intestinal fluid. Then, the intestinal fluid enters the lumen of the bellows 34 via the check valve 39. And
A chemical reaction occurs with a chemical substance 40 in the capsule 31, and a gas 42 such as hydrogen gas or ammonia gas is generated. The bellows 34 expands and presses the balloon 33. Is released into the intestine through the communication hole 36.

【００１６】このように構成したカプセルは、ベローズ
内腔に消化液（胃液、腸液）と反応してガスを発生する
化学物質を設けたため、従来のＸ線造影装置でカプセル
の位置を検出する必要はなく、また体外に大掛かりな超
音波や磁気発生手段を設ける必要もなく、体腔内の目的
とする患部で選択的に薬剤を放出させることができる。In the capsule constructed as described above, a chemical substance which generates gas by reacting with digestive fluids (gastric fluid and intestinal fluid) is provided in the inner space of the bellows. In addition, there is no need to provide a large-scale ultrasonic or magnetic generating means outside the body, and the medicine can be selectively released at a target diseased part in a body cavity.

【００１７】図２（ａ）（ｂ）は第２の実施形態を示
し、第１の実施形態と同一構成部分については同一番号
を付して説明を省略する。図２（ａ）に示すように、カ
プセル４３の容器４４の側面には凹部４５が設けられ、
この凹部４５は連通孔４６を介して容器４４の内外を連
通している。凹部４５には消化液で溶解する溶解膜３８
が取付けられている。ベローズ３４の内腔にはガスを吸
着した吸着剤４７が設けられている。この吸着剤４７と
しては、例えばＶ，Ｍｎ，Ｃｒ，Ｃｏ等が用いられる。
また、容器４４内のベローズ３４の周囲は消化液と化学
反応を起こして発熱する化学物質４８が設けられてい
る。FIGS. 2A and 2B show a second embodiment. The same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. As shown in FIG. 2A, a concave portion 45 is provided on a side surface of the container 44 of the capsule 43,
The recess 45 communicates with the inside and outside of the container 44 via the communication hole 46. The dissolving film 38 that dissolves in the digestive fluid is
Is installed. An adsorbent 47 that adsorbs gas is provided in the inner cavity of the bellows 34. As the adsorbent 47, for example, V, Mn, Cr, Co, or the like is used.
Around the bellows 34 in the container 44, a chemical substance 48 that generates a chemical reaction with the digestive juice by causing a chemical reaction is provided.

【００１８】このように構成したカプセル４３を胃内で
選択的に薬剤を放出する場合について説明すると、前記
溶解膜３８を胃液で消化されるゼラチン等で構成し、ま
たベローズ３４の周囲の化学物質４８を胃液（酸）と反
応して発熱するアルカリ、ＮａＯＨ等とする。A description will be given of a case where the capsule 43 thus constructed is selectively released in the stomach. The dissolving membrane 38 is made of gelatin or the like digested by gastric juice, and a chemical substance around the bellows 34 is used. 48 is alkali, NaOH or the like which generates heat by reacting with gastric juice (acid).

【００１９】患者がカプセル４３を飲み込むと、胃液等
の消化液４１で溶解膜３８が溶解し、図２（ｂ）に示す
ように、連通孔４６を介して胃液が容器４４内に浸入す
る。そして、消化液４１とベローズ３４の周囲に設けら
れた化学物質４８とが化学反応を起こして発熱する。こ
の発熱により吸着剤４７に吸着されていたガス４９が解
離放出され、ベローズ３４は伸張し、バルーン３３を押
圧するため、バルーン３３の内腔に充填された薬剤３５
は連通孔３６を介して胃内に放出される。When the patient swallows the capsule 43, the dissolving membrane 38 is dissolved by the digestive fluid 41 such as gastric fluid, and the gastric fluid infiltrates into the container 44 through the communication hole 46 as shown in FIG. Then, the digestive juice 41 and the chemical substance 48 provided around the bellows 34 cause a chemical reaction to generate heat. The gas 49 adsorbed by the adsorbent 47 is dissociated and released by this heat generation, and the bellows 34 expands and presses the balloon 33.
Is released into the stomach through the communication hole 36.

【００２０】一方、腸内で薬剤放出をさせる場合は、溶
解膜３８を腸液で消化される脂肪酸膜とし、ベローズ３
４の周囲に設ける化学物質４８を腸液と化学反応を起こ
して発熱するＨＣｌ，ＣＨ３ ＣＯＯＨ等の酸性物質と
すれば、前述と同様に腸内において選択的に薬剤が放出
されることになる。したがって、第１の実施形態と同様
の効果が得られる。On the other hand, when the drug is to be released in the intestine, the dissolving film 38 is made of a fatty acid film digested by intestinal fluid, and the bellows 3 is used.
If the chemical substance 48 provided around 4 is made of an acidic substance such as HCl or CH 3 COOH which generates a chemical reaction with intestinal fluid by generating a chemical reaction, the drug is selectively released in the intestine as described above. Therefore, the same effect as in the first embodiment can be obtained.

【００２１】図３（ａ）（ｂ）は第３の実施形態を示
し、第１，２の実施形態と同一構成部分については同一
番号を付して説明を省略する。図３（ａ）に示すよう
に、カプセル５０の容器５１の内部に設けられたベロー
ズ３４の内壁には白金担持したＴｉＯ２ 粒子５２が接
着等により固定して設けられ、ベローズ３４の内腔には
電解液５３が充填されている。FIGS. 3A and 3B show a third embodiment. The same components as those in the first and second embodiments are denoted by the same reference numerals and description thereof is omitted. As shown in FIG. 3A, TiO 2 particles 52 carrying platinum are fixed on the inner wall of the bellows 34 provided inside the container 51 of the capsule 50 by bonding or the like. Is filled with an electrolyte 53.

【００２２】ベローズ３４は透光性を有する材料で形成
されている。ベローズ３４の周囲には腸液等の消化液４
１と反応して発光する化学物質５４が設けられている。
この化学物質５４としては、例えば過酸化水素あるいは
次亜塩素酸塩とルミノールの混合物が用いられる。The bellows 34 is formed of a light-transmitting material. Around digestive fluid 4 such as intestinal juice around bellows 34
A chemical substance 54 that emits light in response to 1 is provided.
As the chemical substance 54, for example, hydrogen peroxide or a mixture of hypochlorite and luminol is used.

【００２３】このように構成したカプセル５０を腸内で
選択的に薬剤を放出する場合について説明すると、患者
がカプセル５０を飲み込み、腸内に到達すると、脂肪酸
膜からなる溶解膜３８が溶解し、図３（ｂ）に示すよう
に、連通孔４６を介して腸液が容器５１内に浸入する。
そして、腸液とルミノール、過酸化水素水（次亜塩素酸
塩）からなる化学物質５４が化学反応を起こし、３５０
〜６００ｎｍの発光を起こす。A description will be given of a case in which the capsule 50 thus configured selectively releases a drug in the intestine. When a patient swallows the capsule 50 and reaches the intestine, the dissolving film 38 composed of a fatty acid film is dissolved. As shown in FIG. 3B, intestinal fluid enters the container 51 through the communication hole 46.
Then, the chemical substance 54 composed of intestinal fluid, luminol, and hydrogen peroxide (hypochlorite) causes a chemical reaction,
Emit の 600 nm emission.

【００２４】この光は透光性のベローズ３４内のＴｉ０
２粒子５２に届き、光電気分解によりＨ２ ，Ｏ２ ガ
ス５５が発生する。そして、ベローズ３４は伸張し、バ
ルーン３３を押圧するため、バルーン３３の内腔に充填
された薬剤３５は連通孔３６を介して腸内に放出され
る。したがって、第１，２の実施形態と同様の効果が得
られる。This light is transmitted through the Ti0 in the translucent bellows 34.
The H 2 and O 2 gas 55 is generated by the photoelectrolysis. Then, since the bellows 34 expands and presses the balloon 33, the medicine 35 filled in the lumen of the balloon 33 is released into the intestine through the communication hole 36. Therefore, effects similar to those of the first and second embodiments can be obtained.

【００２５】図４（ａ）（ｂ）は第４の実施形態を示
し、第１〜３の実施形態と同一構成部分については同一
番号を付して説明を省略する。図４（ａ）に示すよう
に、カプセル５６の容器５７の内部に設けられたベロー
ズ３４の内腔には電解液溶液５８が充填されている。電
解液溶液５８としては水に塩化ナトリウム、塩化銅（Ｉ
Ｉ）硫酸銅（ＩＩ）等の電解質を溶解したものが用いら
れる。FIGS. 4A and 4B show a fourth embodiment, in which the same components as those in the first to third embodiments are denoted by the same reference numerals and description thereof is omitted. As shown in FIG. 4A, the inner space of the bellows 34 provided inside the container 57 of the capsule 56 is filled with an electrolyte solution 58. As the electrolyte solution 58, sodium chloride, copper chloride (I
I) A solution in which an electrolyte such as copper (II) sulfate is dissolved is used.

【００２６】また、ベローズ３４の端部には小型バッテ
リー５９と、これに接続された一対の電極６０が設けら
れている。一対の電極６０は電解質溶液５８に浸漬され
ている。また、カプセル５６の外周にはタイマースイッ
チ６１が設けられ、設定時間経過後、電極６０間に小型
バッテリー５９の電圧を印加可能となっている。At the end of the bellows 34, a small battery 59 and a pair of electrodes 60 connected thereto are provided. The pair of electrodes 60 is immersed in the electrolyte solution 58. A timer switch 61 is provided on the outer periphery of the capsule 56 so that a voltage of the small battery 59 can be applied between the electrodes 60 after a lapse of a set time.

【００２７】このように構成したカプセル５６を胃内、
腸内で選択的に薬剤を放出する場合について説明する
と、まず、タイマースイッチ６１を操作してタイマーの
設定時間をカプセル５６が胃あるいは腸に到達する時間
にする。そして、タイマースイッチ６１をオンにし、患
者がカプセル５６を飲み込む。タイマーは設定時間にな
ると、スイッチオンとなり、小型バッテリー５９の電圧
が一対の電極６０間に印加される。The capsule 56 constructed as described above is inserted into the stomach,
The case where the medicine is selectively released in the intestine will be described. First, the timer switch 61 is operated to set the timer to the time required for the capsule 56 to reach the stomach or intestine. Then, the timer switch 61 is turned on, and the patient swallows the capsule 56. When the timer reaches a set time, the timer is turned on, and the voltage of the small battery 59 is applied between the pair of electrodes 60.

【００２８】電圧が印加されることで、電解質溶液５８
は電気分解を起こし、Ｈ２ ，Ｏ２ ガス５５が発生す
る。そして、ベローズ３４は伸張し、バルーン３３を押
圧するため、バルーン３３の内腔に充填された薬剤３５
は連通孔３６を介して胃内または腸内に放出される。し
たがって、第１〜３の実施形態と同様の効果が得られ
る。When a voltage is applied, the electrolyte solution 58
Causes electrolysis and H2, O2 Gas 55 is generated
You. Then, the bellows 34 expands and pushes the balloon 33.
The medicine 35 filled in the lumen of the balloon 33 for pressurization
Is released into the stomach or intestine through the communication hole 36. I
Therefore, the same effect as in the first to third embodiments can be obtained.
You.

【００２９】[0029]

【発明の効果】以上説明したように、この発明によれ
ば、カプセルにタイマースイッチを設けたことによっ
て、電気的に駆動させる機能の稼動開始をコントロール
できる。よって、体腔内の所望の部位およびタイミング
で種々の手段を機能させることができる。As described above, according to the present invention, the operation start of the function to be electrically driven can be controlled by providing the timer switch on the capsule. Therefore, various means can be made to function at a desired site and timing in the body cavity.

【図面の簡単な説明】[Brief description of the drawings]

【図１】この発明の第１の実施形態を示し、カプセルの
縦断側面図。FIG. 1 shows a first embodiment of the present invention, and is a longitudinal side view of a capsule.

【図２】この発明の第２の実施形態を示し、カプセルの
縦断側面図。FIG. 2 is a longitudinal sectional side view of a capsule according to the second embodiment of the present invention.

【図３】この発明の第３の実施形態を示し、カプセルの
縦断側面図。FIG. 3 is a longitudinal sectional side view of a capsule, showing a third embodiment of the present invention.

【図４】この発明の第４の実施形態を示し、カプセルの
縦断側面図。FIG. 4 is a longitudinal sectional side view of a capsule according to a fourth embodiment of the present invention.

【符号の説明】[Explanation of symbols]

３３…バルーン ３５…薬剤 ５６…カプセル ５９…小型バッテリー ６１…タイマースイッチ 33 ... Balloon 35 ... Drug 56 ... Capsule 59 ... Small battery 61 ... Timer switch

───────────────────────────────────────────────────── フロントページの続き (72)発明者 工藤 正宏 東京都渋谷区幡ヶ谷２丁目43番２号 オリ ンパス光学工業株式会社内 Ｆターム(参考） 4C038 CC01 CC05 4C066 AA02 AA05 BB08 CC01 CC09 CC10 EE03 HH30 KK17 QQ76 QQ85 4C076 AA53 AA95 BB21 DD21 FF31 FF54 FF68  ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masahiro Kudo 2-43-2, Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. F-term (reference) 4C038 CC01 CC05 4C066 AA02 AA05 BB08 CC01 CC09 CC10 EE03 HH30 KK17 QQ76 QQ85 4C076 AA53 AA95 BB21 DD21 FF31 FF54 FF68

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】 体腔管路内を通過させて検査、治療又は
処置を行う医療用カプセル装置において、 電源手段と、タイマースイッチと、電気回路とを設け、
設定時間経過後、上記タイマースイッチが上記電源手段
からの電圧を上記電気回路に印加可能にすることを特徴
とする医療用カプセル装置。1. A medical capsule device for performing examination, treatment or treatment by passing through a body cavity channel, comprising a power supply means, a timer switch, and an electric circuit,
A medical capsule device, wherein after a set time has elapsed, the timer switch enables the voltage from the power supply means to be applied to the electric circuit. 【請求項２】 上記電源がバッテリーであることを特徴
とする請求項１の医療用カプセル装置。2. The medical capsule device according to claim 1, wherein said power source is a battery. 【請求項３】 薬剤収納部と薬剤放出手段とを設け、上
記電気回路が薬剤放出手段駆動回路である請求項１の医
療用カプセル装置。3. The medical capsule device according to claim 1, further comprising a medicine storing section and a medicine releasing means, wherein the electric circuit is a medicine releasing means driving circuit. 【請求項４】 上記薬剤放出手段が電極と電解質溶液と
電解質溶液を収納したバルーンとからなり、電解質溶液
が電極によって電気分解され、発生したガスによってバ
ルーンを拡張させることを特徴とする請求項３の医療用
カプセル装置。4. The method according to claim 3, wherein the drug releasing means comprises an electrode, an electrolyte solution and a balloon containing the electrolyte solution, wherein the electrolyte solution is electrolyzed by the electrode and the balloon is expanded by generated gas. Medical capsule device.
JP2001303724A 2001-09-28 2001-09-28 Medical capsule device Pending JP2002186672A (en)

Priority Applications (1)

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JP25988293A Division JP3279409B2 (en) 1993-10-18 1993-10-18 Medical capsule device

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