JP2003111755A - Transesophageal monitor for detecting pulmonary thrombosis and embolism - Google Patents
Transesophageal monitor for detecting pulmonary thrombosis and embolismInfo
- Publication number
- JP2003111755A JP2003111755A JP2001341229A JP2001341229A JP2003111755A JP 2003111755 A JP2003111755 A JP 2003111755A JP 2001341229 A JP2001341229 A JP 2001341229A JP 2001341229 A JP2001341229 A JP 2001341229A JP 2003111755 A JP2003111755 A JP 2003111755A
- Authority
- JP
- Japan
- Prior art keywords
- pulmonary artery
- pulmonary
- ultrasonic
- embolism
- patient
- 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
Links
- 208000010378 Pulmonary Embolism Diseases 0.000 title abstract description 22
- 206010037437 Pulmonary thrombosis Diseases 0.000 title abstract description 22
- 210000001147 pulmonary artery Anatomy 0.000 claims abstract description 48
- 208000007536 Thrombosis Diseases 0.000 claims abstract description 15
- 210000003238 esophagus Anatomy 0.000 claims abstract description 15
- 208000005189 Embolism Diseases 0.000 claims description 12
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 2
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 238000001356 surgical procedure Methods 0.000 abstract description 2
- 208000024891 symptom Diseases 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 9
- 238000003325 tomography Methods 0.000 description 9
- 210000000214 mouth Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000005259 peripheral blood Anatomy 0.000 description 2
- 239000011886 peripheral blood Substances 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 230000002685 pulmonary effect Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 206010008479 Chest Pain Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010037340 Pulmonary artery thrombosis Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000003601 intercostal effect Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
【０００１】［産業上の利用分野］この発明は手術後の
患者（とくに癌患者や肥満患者）に発生する致死的な肺
血栓・塞栓症の検出のために仕様される超音波映像装置
を利用したモニター装置に関するものである。[Field of Industrial Application] [0001] The present invention utilizes an ultrasonic imaging apparatus which is specified for the detection of fatal pulmonary thrombosis and embolism occurring in post-operative patients (particularly cancer patients and obese patients). The present invention relates to the monitoring device.
【０００２】［従来の技術］従来は肺血栓・塞栓症が手
術後に高頻度に発生することが知られていなかったの
で、肺血栓・塞栓症の検出モニター装置なる医療機器は
存在していない。[Prior Art] [0002] Conventionally, since it was not known that pulmonary thrombosis / embolism frequently occurs after surgery, there is no medical device which is a monitor device for detecting pulmonary thrombosis / embolism.
【０００３】［発明が解決しようとする課題］第１に、
超音波診断装置を肺血栓・塞栓症の検出モニターとする
ためには超音波診断装置のセンサー（超音波発振・受信
部）を常に患者肺動脈にむけておくことが必要である。
このため患者食道内のセンサーの受信部感知領域が肺動
脈に向くように図３のように考案する。[Problems to be Solved by the Invention] First,
In order to use the ultrasonic diagnostic apparatus as a monitor for detecting pulmonary thrombosis / embolism, it is necessary to always point the sensor (ultrasonic wave oscillating / receiving section) of the ultrasonic diagnostic apparatus to the pulmonary artery of the patient.
For this reason, the receiving area of the sensor in the patient's esophagus is designed as shown in FIG. 3 so as to face the pulmonary artery.
【０００４】第２に、超音波診断装置を肺血栓・塞栓症
の検出モニターとするためには画像上検出された肺動脈
陰影を装置が認識し、患者の呼吸によって変位する肺動
脈陰影を追尾する電気回路が必要である。本肺血栓栓症
の検出モニターはコンピューター・ソフトによって肺動
脈陰影を追尾する回路を備えている。Second, in order to use the ultrasonic diagnostic apparatus as a detection monitor for pulmonary thrombosis / embolism, the apparatus recognizes the pulmonary artery shadow detected on the image and tracks the pulmonary artery shadow displaced by the patient's breathing. Circuit is required. This pulmonary thrombosis detection monitor is equipped with a circuit that tracks the pulmonary artery shadow by computer software.
【０００５】第３に、本肺血栓・塞栓症の検出モニター
が臨床上さらに有用であるために、本モニターは患者肺
動脈に血栓・塞栓が進入（飛来）し超音波反射が変化し
た場合には、これを認識しアラーム音を発するものとす
る。Thirdly, since the present monitor for detecting pulmonary thrombosis / embolism is more useful clinically, this monitor can be used when the thrombus / embolus enters (flies) into the pulmonary artery of the patient and the ultrasonic reflection changes. , It shall recognize this and emit an alarm sound.
【０００６】［課題を解決するための手段］上記目的を
達成するため、本発明による肺血栓・塞栓症の検出モニ
ターは図２に示すような肺動脈に超音波発射方向をあわ
せることが出来るような患者食道内の超音波断層装置セ
ンサー部を作成する。[Means for Solving the Problems] In order to achieve the above object, the detection monitor for pulmonary thrombosis / embolism according to the present invention is capable of adjusting the ultrasonic wave emission direction to the pulmonary artery as shown in FIG. An ultrasonic tomography sensor unit in the patient's esophagus is created.
【０００７】患者の肺動脈を肺血栓・塞栓症の検出モニ
ターが確認するため本モニターは超音波高反射陰影に囲
まれた特定の低反射領域を肺動脈陰影として画像上認識
するコンピューター・ソフトを内臓している。In order to confirm the pulmonary artery of a patient by a monitor for detection of pulmonary thrombosis / embolism, this monitor incorporates computer software for recognizing a specific low reflection area surrounded by an ultrasound high reflection shadow as a pulmonary artery shadow on an image. ing.
【０００８】肺動脈は患者の呼吸により胸腔内の位置が
変化する。上記コンピューター・ソフトは単に肺動脈を
認識するだけでなく、呼吸により位置を常時変えている
肺動脈を追尾するものとする。The position of the pulmonary artery in the thoracic cavity changes according to the breathing of the patient. The computer software not only recognizes the pulmonary artery but also tracks the pulmonary artery whose position is constantly changed by breathing.
【０００９】上記のように本モニターによって認識・追
尾されている肺動脈陰影に患者の末梢の血管から血栓ま
たは塞栓が飛来し、肺動脈陰影の超音波反射像が変化し
た場合、これを認識しアラームを鳴動させるものとす
る。As described above, when a thrombus or an embolus flies from a peripheral blood vessel of a patient to the pulmonary artery shadow recognized and tracked by this monitor, and the ultrasonic reflection image of the pulmonary artery shadow changes, this is recognized and an alarm is issued. Shall be ringing.
【００１０】肺動脈は左・右に存在する。このため肺血
栓・塞栓症検出のための食道内超音波センサーは右肺動
脈内血栓・塞栓検出センサー部と左肺動脈内血栓・塞栓
検出センサー部の２つの部分に分かれるものとする。Pulmonary arteries exist on the left and right. Therefore, the ultrasonic sensor in the esophagus for detecting pulmonary thrombosis / embolism is divided into two parts: a right pulmonary artery thrombosis / embolism detection sensor part and a left pulmonary artery thrombus / embolism detection sensor part.
【００１１】本食道内肺動脈血栓・塞栓センサーは右肺
動脈センサー部・左肺動脈センサー部のどちらの部分が
血栓または塞栓を感知しても本モニターはアラームを鳴
動させるものとする。これは左右の２肺動脈のいずれに
血栓症・塞栓症が発生しても致命的であるためである。The present pulmonary artery thrombus / embolus sensor shall sound an alarm when the thrombus or embolus is detected by either the right pulmonary artery sensor unit or the left pulmonary artery sensor unit. This is because even if thrombosis / embolism occurs in either of the two left and right pulmonary arteries, it is fatal.
【００１２】［発明の実施の形態］本発明は、患者食道
内に設置した超音波断層装置のセンサーが右・左肺動脈
を監視し、得られる肺動脈陰影の変化により肺動脈内の
血栓・塞栓の存在を検出する超音波断層装置を利用した
肺動脈血栓・塞栓監視装置である。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, a sensor of an ultrasonic tomography apparatus installed in the esophagus of a patient monitors the right and left pulmonary arteries, and the presence of a thrombus / embolus in the pulmonary artery due to changes in the obtained pulmonary artery shadow. It is a pulmonary artery thrombus / embolus monitoring device that uses an ultrasonic tomography device to detect the.
【００１３】上記の超音波断層装置のセンサーは右・左
肺動脈を観察するのに適切な位置にあり、動脈を望む方
向を向くように考案されている。The sensor of the above-mentioned ultrasonic tomography apparatus is located at an appropriate position for observing the right and left pulmonary arteries, and is designed so as to face the desired direction of the artery.
【００１４】コンピューター・ソフトによる右・左肺動
脈の監視は適切な肺動脈の認識回路を具備するものとす
る。高周波超音波反射に囲まれた低周波超音波反射領域
の一つを肺動脈として認識する。The monitoring of the right and left pulmonary arteries by computer software shall be provided with an appropriate pulmonary artery recognition circuit. One of the low frequency ultrasonic reflection areas surrounded by the high frequency ultrasonic reflection is recognized as a pulmonary artery.
【００１５】肺動脈内に飛来する血栓・塞栓は上記肺動
脈監視回路で認識した肺動脈領域の不連続な超音波反射
の変化として認識するものとする。本機はこの認識によ
って適切な音声アラームを作動させるものとする。The thrombus / embolus flying into the pulmonary artery is recognized as a discontinuous ultrasonic reflection change in the pulmonary artery region recognized by the pulmonary artery monitoring circuit. This machine shall activate an appropriate audible alarm by this recognition.
【００１６】［実施例］実施例について、図面を参照し
て説明すると、図１は超音波断層装置の超音波センサー
を患者の口腔を通して食道内に入れた実際の仕様の全体
像である。[Embodiment] An embodiment will be described with reference to the drawings. FIG. 1 is an overall view of an actual specification in which an ultrasonic sensor of an ultrasonic tomography apparatus is inserted into an esophagus through a patient's oral cavity.
【００１７】図２は肺動脈に向く様に設置された患者食
道内センサーと、患者食道、肺動脈の関係である。FIG. 2 shows the relationship between the sensor in the patient's esophagus installed so as to face the pulmonary artery, the patient's esophagus, and the pulmonary artery.
【００１８】図３は超音波センサー内の超音波発振源よ
り発射されている超音波内に肺血栓が末梢の血管より飛
来した様子を示す。肺動脈及び肺血栓・肺塞栓の本装置
による認識は、超音波断層装置によって作成された正常
時の画像をコンピューター処理によって認識し、この画
像と比較して、肺血栓・肺塞栓のが飛来した時の変化を
本機が超音波反射の変化として検知してアラームを鳴動
させるものとする。FIG. 3 shows a state in which a pulmonary thrombus has flown from a peripheral blood vessel into the ultrasonic wave emitted from the ultrasonic wave oscillating source in the ultrasonic sensor. The recognition of pulmonary arteries and pulmonary thrombosis / pulmonary embolism by this device is performed by recognizing a normal image created by an ultrasonic tomography device by computer processing, and comparing with this image, when pulmonary thrombosis / pulmonary embolism comes in. This change shall be detected by the unit as a change in ultrasonic reflection and an alarm shall be sounded.
【００１９】［発明の効果］本発明は以上に説明したよ
うな形態で実施され、以下に記載されるような効果を奏
する。[Effects of the Invention] The present invention is carried out in the form as described above, and has the following effects.
【００２０】現在迄、肺血栓・塞栓症に対するモニター
は全く報告されていない。肺血栓・塞栓症はその発生経
過が未知である。本症は突然発症してしばしば致死的で
ある事が知られているが、詳細は解っていない。本モニ
ターの考案は本症の発症とともに診断を可能にし治療を
開始できるので患者の術後生命予後を有意に改善させる
ことが期待できる。Until now, no monitor for pulmonary thrombosis / embolism has been reported. The course of pulmonary thrombosis / embolism is unknown. This disease is known to occur suddenly and is often fatal, but details are unknown. The device of this monitor can be diagnosed with the onset of this disease and the treatment can be started, so that it can be expected to significantly improve the postoperative life prognosis of the patient.
【００２１】肺血栓・塞栓症は突然発症し胸痛・呼吸苦
とともに急変するが、本モニターは肺血栓・塞栓症発症
とともにアラームか鳴動し血栓・塞栓を超音波断層装置
の画像にて確認できるので、本症の発症を即座に診断で
き、治療を開始できる。[0021] Pulmonary thrombosis / embolism suddenly develops and changes rapidly with chest pain / breathing difficulty, but since this monitor sounds an alarm with the onset of pulmonary thrombosis / embolism, the thrombus / embolism can be confirmed on the image of the ultrasonic tomography apparatus. , The onset of this disease can be immediately diagnosed and treatment can be started.
【図１】本発明の超音波センサーを患者の口腔を通して
食道内に留置した状態での肺血栓・塞栓症モニターの全
体像である（患者は正中線上で縦断した模式図となって
いる）。患者は手術後ベット上安静仰臥、並びにそれ以
後の生活を対象としている。改変された超音波センサー
が肺動脈近くの食道内にあること、コンピューターを内
臓画像を解析すること、アラーム用スピーカーが付設さ
せていることの３点を除けば、全体として超音波断層装
置によく似ている。FIG. 1 is an overall image of a pulmonary thrombosis / embolism monitor in a state in which the ultrasonic sensor of the present invention is placed in the esophagus through a patient's oral cavity (patient is a schematic view longitudinally cut on the midline). The patient is in bed after bed and is in a supine position, as well as life after that. Similar to ultrasonic tomography as a whole, except that the modified ultrasonic sensor is in the esophagus near the pulmonary artery, the computer analyzes the internal organs image, and the alarm speaker is attached. ing.
【図２】超音波探索下で肺血栓または塞栓が肺動脈分岐
部に飛来した縦断面図である。FIG. 2 is a vertical cross-sectional view of a pulmonary thrombus or embolus flying to a pulmonary artery bifurcation under ultrasonic search.
【符号の説明】
（１）は肺血栓・塞栓症検出モニター本体（超音波断層
装置本体ならびに内臓コンピューターより成る。）
（２）は超音波センサーと本体を結ぶ配線
（３）は超音波センサー（超音波発振部ならびに反射超
音波検出部より成る。）
（４）は肺血栓・塞栓症検出装置本体移動用車輪
（５）は肺血栓・塞栓症本体付設のブラウン管（モニタ
ーとなる。）
（６）はスピーカー（アラーム鳴動用。）
（７）は患者口腔
（８）は患者食道
（９）は患者心臓
（１０）は患者肺動脈（正面からみると左右２つ存在す
る）
（１１）は超音波センサーを設置する患者食道壁（位
置：肺動脈のある高さ、およそ第２肋間。）
（１２）は超音波センサーより発射される超音波（実際
には不可視）
（１３）は肺動脈血管壁
（１４）は血栓または塞栓
（１５）は肺動脈分岐部[Explanation of Codes] (1) Pulmonary thrombosis / embolism detection monitor main body (consists of ultrasonic tomography device main body and internal computer) (2) Wiring connecting ultrasonic sensor and main body (3) Ultrasonic sensor ( It is composed of an ultrasonic wave oscillating unit and a reflected ultrasonic wave detecting unit.) (4) is a wheel for moving the main body of the pulmonary thrombosis / embolism detection device (5) is a cathode ray tube (a monitor) attached to the main body of the pulmonary thrombosis / embolism (6) ) Is a speaker (for alarm sounding) (7) is the patient's mouth (8) is the patient's esophagus (9) The patient's heart (10) is the patient's pulmonary artery (there are two left and right when viewed from the front) (11) is ultrasound The patient's esophagus wall where the sensor is installed (position: height at which the pulmonary artery is located, approximately the second intercostal space) (12) is an ultrasonic wave emitted from an ultrasonic sensor (actually invisible) (13) is a pulmonary artery blood vessel wall (14 ) Is a thrombus or obstruction (15) the pulmonary artery branch section
Claims (4)
幹ならびに分岐部を常時観察できるようにした超音波映
像装置。1. An ultrasonic imaging apparatus capable of constantly observing a pulmonary artery main trunk and a bifurcation using an ultrasonic sensor in the esophagus.
けられるようにした超音波センサー部分。2. An ultrasonic sensor part which can be placed in the esophagus and whose sensing direction can be directed to the pulmonary artery.
を画像上追尾する画像追跡ソフト。3. Image tracking software for tracking an image of a pulmonary artery whose position varies according to the breathing of a patient.
脈の超音波反射濃度が変化するのを感知しアラームを警
告するソフト。4. Software that senses a change in the ultrasonic reflection density of the pulmonary artery due to a thrombus / embolus flying into the pulmonary artery and warns an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001341229A JP2003111755A (en) | 2001-10-03 | 2001-10-03 | Transesophageal monitor for detecting pulmonary thrombosis and embolism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001341229A JP2003111755A (en) | 2001-10-03 | 2001-10-03 | Transesophageal monitor for detecting pulmonary thrombosis and embolism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003111755A true JP2003111755A (en) | 2003-04-15 |
Family
ID=19155288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001341229A Pending JP2003111755A (en) | 2001-10-03 | 2001-10-03 | Transesophageal monitor for detecting pulmonary thrombosis and embolism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003111755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010500085A (en) * | 2006-08-11 | 2010-01-07 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Ultrasound system for cerebral blood flow imaging and microbubble improvement thrombus resolution |
-
2001
- 2001-10-03 JP JP2001341229A patent/JP2003111755A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010500085A (en) * | 2006-08-11 | 2010-01-07 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Ultrasound system for cerebral blood flow imaging and microbubble improvement thrombus resolution |
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