JPH01204650A - X-ray image diagnosis device - Google Patents
X-ray image diagnosis deviceInfo
- Publication number
- JPH01204650A JPH01204650A JP63026472A JP2647288A JPH01204650A JP H01204650 A JPH01204650 A JP H01204650A JP 63026472 A JP63026472 A JP 63026472A JP 2647288 A JP2647288 A JP 2647288A JP H01204650 A JPH01204650 A JP H01204650A
- Authority
- JP
- Japan
- Prior art keywords
- image
- catheter
- ray
- contrast medium
- control
- 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
- 238000003745 diagnosis Methods 0.000 title 1
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 239000002872 contrast media Substances 0.000 abstract description 11
- 210000004351 coronary vessel Anatomy 0.000 abstract description 5
- 238000013507 mapping Methods 0.000 abstract description 5
- 210000004204 blood vessel Anatomy 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000031481 Pathologic Constriction Diseases 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 3
- 208000037804 stenosis Diseases 0.000 description 3
- 230000036262 stenosis Effects 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- KKJUPNGICOCCDW-UHFFFAOYSA-N 7-N,N-Dimethylamino-1,2,3,4,5-pentathiocyclooctane Chemical class CN(C)C1CSSSSSC1 KKJUPNGICOCCDW-UHFFFAOYSA-N 0.000 description 1
- 201000001320 Atherosclerosis Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、被検体所望部位へのカテーテル挿入の際のＸ
ｊａ画像の収集及びその表示を可能とするＸ線画像診断
装置に関する。Detailed Description of the Invention [Objective of the Invention] (Industrial Application Field) The present invention provides
The present invention relates to an X-ray image diagnostic apparatus that is capable of collecting and displaying ja images.
（従来の技術）
心臓の栄養血管でおる冠動脈に生じたアテローム性動脈
硬化による狭窄、おるいは血栓による閉塞などを開存さ
せる治療法として、バルーンカテーテルを用いたＰ Ｔ
Ｑ Ａ （Ｐｅｒｃｔ＋ｔａｎｅｏｕｓ Ｔｒａｎｓ
−１ｕｍｉｎａｌ Ｃｏｒｏｒａｒｙ Ａｒｔｅｒｙ
）法が知られている。(Prior art) P T using a balloon catheter is used as a treatment method to open up stenosis caused by atherosclerosis or occlusion caused by thrombus in the coronary arteries that feed the heart.
Q A (Perct + taneous Trans
-1uminal Colorary Artery
) law is known.
このＰＴＣＡ法において、バルーンカテーテルを例えば
狭窄部にまで挿入して行く際には、カテーテル先端が冠
動脈中のどの位置におるのかを常に把握していなければ
ならない。従来は、Ｘ線透視下でカテーテルの先端部か
ら造影剤を少しずつ吐出して血管造影像を１ｑ、この血
管造影像によってカテーテル先端部の位置を確認するよ
うにしていた（ロードマツピング）。In this PTCA method, when a balloon catheter is inserted into, for example, a stenosis, it is necessary to always know where the tip of the catheter is in the coronary artery. Conventionally, a contrast medium was discharged little by little from the tip of the catheter under X-ray fluoroscopy to obtain a 1q angiographic image, and the position of the catheter tip was confirmed using this angiographic image (road mapping).
（発明が解決しようとする課題）
しかしながら、上記のようにカテーテルの先端部から造
影剤を吐出して直管造影像を得るのは、本来危険性の高
い造影剤を結果的に多量使用することになり、手術時の
被検体の安全性の見地より好ましくない。(Problem to be Solved by the Invention) However, obtaining a straight canal contrast image by discharging a contrast medium from the tip of a catheter as described above results in the use of a large amount of contrast medium, which is inherently highly dangerous. This is not desirable from the standpoint of patient safety during surgery.
そこで本発明は上記の欠点を除去するもので、その目的
とするところは、カテーテル挿入の際のロードマツピン
グにおける造影剤吐出を不要とすることができるＸ線画
像診断装置を提供することにおる。SUMMARY OF THE INVENTION Therefore, the present invention aims to eliminate the above-mentioned drawbacks, and its purpose is to provide an X-ray image diagnostic apparatus that can eliminate the need for contrast medium ejection during road mapping during catheter insertion. .
し発明の構成］
（課題を解決するための手段）
上記課題を解決するために本発明に係るＸ線画像診断装
置では、先端部にＸ線不透過部材を設けて成るカテーテ
ルを被検体所望部位に挿入する前の血管造影像の収集制
御、及び該カテーテル挿入開始後のＸ線画像の収集制御
を行う制御部と、血管造影像を静止画像として表示する
と共に、この血管造影像と等しい心時相でのＸ線画像に
基づくカテーテル先端部の移動軌跡を前記血管造影像上
に重畳して表示する表示部とを設けた。[Structure of the Invention] (Means for Solving the Problems) In order to solve the above problems, in the X-ray image diagnostic apparatus according to the present invention, a catheter having an X-ray opaque member provided at the distal end is inserted into a desired site of a subject. a control unit that controls the collection of angiographic images before insertion into the catheter, and controls the collection of X-ray images after the insertion of the catheter; displays the angiographic image as a still image; A display section is provided that displays the movement trajectory of the catheter tip based on the X-ray image during the phase superimposed on the angiographic image.
（作 用）
カテーテル挿入前の被検体の血管造影像が静止画像とし
・て表示され、この静止画像上に、カテーテル先端部の
移動軌跡が重畳表示される。このようなＸ線画像表示に
よれば、カテーテル挿入の際のロードマツピングにおい
て造影剤を吐出しなくともカテーテル先端部位置を明確
に把握し得る。(Function) An angiographic image of the subject before catheter insertion is displayed as a still image, and the movement trajectory of the catheter tip is displayed superimposed on this still image. According to such an X-ray image display, the position of the catheter tip can be clearly grasped without ejecting a contrast medium during road mapping during catheter insertion.
（実施例） 以下、本発明を実施例により具体的に説明する。(Example) Hereinafter, the present invention will be specifically explained with reference to Examples.
第１図は、本発明の一実施例を示している。FIG. 1 shows an embodiment of the invention.
同図１は被検体Ｐに向けてＸ線を曝射するＸ線発生部で
あり、曝射されたＸ線の被検体透過情報はイメージイン
テンシファイア（１，Ｉと略記する）２に取込まれ、こ
こで可視光像に変換された後にテレビカメラ３でｉ像さ
れ、映像信号としてＸ線画像収集部４に送出されるよう
になっている。Figure 1 shows an X-ray generation unit that irradiates X-rays toward a subject P, and information on how the emitted X-rays pass through the subject is stored in an image intensifier (abbreviated as 1, I) 2. After being converted into a visible light image, it is imaged by a television camera 3 and sent to an X-ray image collection unit 4 as a video signal.
被検体Ｐには、被検体Ｐの心起電力を検出するセンサ６
が取付けられており、このセンサ６によって検出された
心起電力が心電計７に取込まれるようになっている。こ
の心電計７からは、被検体Ｐの心起電力に応じたＱＲ３
同期パルスが発生され、発生されたＱＲ８同期パルスが
制御部８に取込まれるようになっている。The subject P has a sensor 6 that detects the cardiac electromotive force of the subject P.
is attached, and the electromotive force detected by this sensor 6 is taken into an electrocardiograph 7. From this electrocardiograph 7, QR3 corresponding to the electromotive force of the subject P is detected.
A synchronization pulse is generated, and the generated QR8 synchronization pulse is taken into the control section 8.
Ｘ線発生部１及びＸ線画像収集部４は制御部８の制御下
にある。この制御部８により、ＱＲ８同期パルスから所
定時間経過後のＸ線画像収集制御が実行されるようにな
っている。しかして制御部８の制御下で得られたＸ線画
像は表示部５に送出され、ここで可視化されるようにな
っている。The X-ray generator 1 and the X-ray image collector 4 are under the control of a controller 8. This control unit 8 is configured to execute X-ray image acquisition control after a predetermined period of time has elapsed since the QR8 synchronization pulse. The X-ray image obtained under the control of the control section 8 is sent to the display section 5, where it is visualized.
この表示部５は、カテーテル例えばバルーンカテーテル
挿入前の被検体Ｐの血管造影像を静止画像として表示す
ると共に、バルーンカテーテル先端部の被検体Ｐ内での
移動軌跡を前記静止画像上に重畳表示するものであり、
例えばＣＲＴデイスプレィを有して成る。This display unit 5 displays an angiographic image of the subject P before insertion of a catheter, for example, a balloon catheter, as a still image, and displays the trajectory of movement of the tip of the balloon catheter within the subject P superimposed on the still image. It is a thing,
For example, it has a CRT display.
第２図はバルーンカテーテルを示しており、このバルー
ンカテーテル９の先端部には膨張・収縮自在のバルーン
１２、及びＸ線不透過部材１０゜１１が設けられている
。Ｘ線不透過部材１０゜１１としては例えば金が適用さ
れる。FIG. 2 shows a balloon catheter, and the distal end of the balloon catheter 9 is provided with a balloon 12 that can be inflated and deflated, and X-ray opaque members 10 and 11. For example, gold is used as the X-ray opaque member 10°11.
次に、上記のように構成された実施例装置の作用につい
て説明する。Next, the operation of the embodiment device configured as described above will be explained.
第３図は本実施例装置の動作タイミングを示している。FIG. 3 shows the operation timing of the device of this embodiment.
先ず、第２図のバルーンカテーテル９を被検体Ｐの冠動
脈に挿入する前に被検体Ｐの血管中に造影剤を注入し、
制御部８の制御下でＸ線を曝射することにより冠動脈の
血管造影像を得る。この血管造影像はＱＲ３同期パルス
の発生により、ｔｄ時間経過後に連続して複数枚収集さ
れるが、そのうち所望の心時相での１画像（これを１３
で示す）のみ静止画像として例えば第４図に示すように
表示部５に表示される。First, before inserting the balloon catheter 9 shown in FIG. 2 into the coronary artery of the subject P, a contrast medium is injected into the blood vessel of the subject P.
By irradiating X-rays under the control of the control unit 8, an angiographic image of the coronary artery is obtained. Due to the generation of QR3 synchronized pulses, a plurality of these angiographic images are acquired consecutively after the td period has elapsed, and among them, one image at a desired cardiac phase (this image is
) is displayed as a still image on the display unit 5 as shown in FIG. 4, for example.
バルーンカテーテル９の先端部にＸ線不透過部材１０，
１１が設けられているため、Ｘ線透視像中にＸ線不透過
部材１０．１１の影が現われる。An X-ray opaque member 10 is attached to the distal end of the balloon catheter 9.
11, the shadow of the X-ray opaque member 10.11 appears in the X-ray fluoroscopic image.
そこで、カテーテル挿入後においては、制御部８の制御
下で前記静止画像（血管造影像１３）と等しい心時相で
のＸ線画像（これを１４乃至１６で示ず）を心拍毎に収
集し、それを血管造影像１３に重畳する。この結果表示
部１３の表示画像は第５図に示すようになり、カテーテ
ル先端部の移動軌跡即ちＸ線不透過部材１０．１１の移
動軌跡（Ｘ印で示す）が血管造影像１３上に表示される
。Therefore, after the catheter is inserted, under the control of the control unit 8, X-ray images (not shown by 14 to 16) at the same cardiac phase as the still image (angiogram 13) are collected every heartbeat. , and superimposes it on the angiographic image 13. As a result, the displayed image on the display unit 13 becomes as shown in FIG. 5, and the movement trajectory of the catheter tip, that is, the movement trajectory of the X-ray opaque member 10.11 (indicated by an X mark) is displayed on the angiographic image 13. be done.
この表示画像によりバルーンカテーテル９の先端部位置
を確認しながら狭窄あるいは血栓部にまでカテーテルを
容易に挿入することができる。Using this displayed image, the catheter can be easily inserted into the stenosis or thrombus while confirming the position of the distal end of the balloon catheter 9.
尚、本発明は上記実施例に限定されない。Note that the present invention is not limited to the above embodiments.
例えば、上記実施例ではＸ線不透過部材を２箇所に設け
たが、１箇所だけに設けてもよい。For example, in the above embodiment, the X-ray opaque members were provided at two locations, but they may be provided at only one location.
［発明の効果］
以上詳述したように本発明によれば、カテーテル挿入の
際のロードマツピングにおける造影剤吐出を不要とする
ことができるので、造影剤使用間を大幅に低減すること
ができ、手術時の被検体の安全性が高くなるという効果
を奏する。[Effects of the Invention] As detailed above, according to the present invention, it is possible to eliminate the need for contrast medium discharge during road mapping during catheter insertion, and therefore it is possible to significantly reduce the time between contrast medium uses. This has the effect of increasing the safety of the subject during surgery.
第１・図は本発明の一実施例を示すブロック図、第２図
はバルーンカテーテルの説明図、第３図は本実施例装置
の作用説明のためのタイミング図、第４図及び第５図は
本実施例装置による表示画像の説明図である。
５・・・表示部、８・・・制御部、Ｐ・・・被検体。
代理人 弁理士 則 近 憲 化量 近
藤 猛第 １ 図Figure 1 is a block diagram showing one embodiment of the present invention, Figure 2 is an explanatory diagram of a balloon catheter, Figure 3 is a timing diagram for explaining the operation of the device of this embodiment, Figures 4 and 5. FIG. 2 is an explanatory diagram of a display image by the device of this embodiment. 5... Display unit, 8... Control unit, P... Subject. Agent Patent Attorney Rules Takeshi Kondo Figure 1
Claims (1)
及び収集したＸ線画像の表示を行うＸ線画像診断装置に
おいて、先端部にＸ線不透過部材を設けて成るカテーテ
ルを被検体所望部位に挿入する前の血管造影像の収集制
御、及び該カテーテル挿入開始後のＸ線画像の収集制御
を行う制御部と、血管造影像を静止画像として表示する
と共に、この血管造影像と等しい心時相でのＸ線画像に
基づくカテーテル先端部の移動軌跡を前記血管造影像上
に重畳して表示する表示部とを有することを特徴とする
Ｘ線画像診断装置。In an X-ray image diagnostic apparatus that collects X-ray images and displays the collected X-ray images when a catheter is inserted into a desired site of a subject, a catheter having an X-ray opaque member at its tip is inserted into the desired site of a subject. a control unit that controls the collection of angiographic images before insertion into the catheter, and controls the collection of X-ray images after the insertion of the catheter; displays the angiographic image as a still image; An X-ray image diagnostic apparatus comprising: a display section that displays a movement trajectory of a catheter tip based on an X-ray image in a phase superimposed on the angiographic image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63026472A JPH01204650A (en) | 1988-02-09 | 1988-02-09 | X-ray image diagnosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63026472A JPH01204650A (en) | 1988-02-09 | 1988-02-09 | X-ray image diagnosis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01204650A true JPH01204650A (en) | 1989-08-17 |
Family
ID=12194454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63026472A Pending JPH01204650A (en) | 1988-02-09 | 1988-02-09 | X-ray image diagnosis device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01204650A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04276241A (en) * | 1991-03-05 | 1992-10-01 | Hitachi Medical Corp | X-ray diagnostic apparatus |
| JPH08140992A (en) * | 1994-11-22 | 1996-06-04 | Toru Hayakawa | Apparatus for displaying position of surgical tool |
| JPH08332191A (en) * | 1995-06-09 | 1996-12-17 | Hitachi Medical Corp | Device and method for displaying three-dimensional image processing |
| JP2001330569A (en) * | 2000-05-23 | 2001-11-30 | Hitachi Kenki Fine Tech Co Ltd | Nondestructive inspection device |
| US6577889B2 (en) | 2000-10-17 | 2003-06-10 | Kabushiki Kaisha Toshiba | Radiographic image diagnosis apparatus capable of displaying a projection image in a similar position and direction as a fluoroscopic image |
| JP2003290192A (en) * | 2002-03-11 | 2003-10-14 | Siemens Ag | Drawing method for image of medical instrument introduced into examination region of patient |
| JP2005524419A (en) * | 2001-11-21 | 2005-08-18 | 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 | Medical observation apparatus and method for detecting and enhancing structures in noisy images |
| JP2006346080A (en) * | 2005-06-15 | 2006-12-28 | Shimadzu Corp | X-ray diagnostic system |
| WO2013015220A1 (en) * | 2011-07-22 | 2013-01-31 | 株式会社東芝 | X-ray diagnostic device and control program |
| JP2015062680A (en) * | 2005-01-11 | 2015-04-09 | ヴォルケイノウ・コーポレーション | Vascular information acquisition apparatus |
| JP2015136416A (en) * | 2014-01-21 | 2015-07-30 | 株式会社東芝 | Catheter and image diagnostic apparatus |
-
1988
- 1988-02-09 JP JP63026472A patent/JPH01204650A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04276241A (en) * | 1991-03-05 | 1992-10-01 | Hitachi Medical Corp | X-ray diagnostic apparatus |
| JPH08140992A (en) * | 1994-11-22 | 1996-06-04 | Toru Hayakawa | Apparatus for displaying position of surgical tool |
| JPH08332191A (en) * | 1995-06-09 | 1996-12-17 | Hitachi Medical Corp | Device and method for displaying three-dimensional image processing |
| JP2001330569A (en) * | 2000-05-23 | 2001-11-30 | Hitachi Kenki Fine Tech Co Ltd | Nondestructive inspection device |
| US6577889B2 (en) | 2000-10-17 | 2003-06-10 | Kabushiki Kaisha Toshiba | Radiographic image diagnosis apparatus capable of displaying a projection image in a similar position and direction as a fluoroscopic image |
| JP2005524419A (en) * | 2001-11-21 | 2005-08-18 | 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 | Medical observation apparatus and method for detecting and enhancing structures in noisy images |
| JP4606703B2 (en) * | 2002-03-11 | 2011-01-05 | シーメンス アクチエンゲゼルシヤフト | Medical examination and / or treatment equipment |
| JP2003290192A (en) * | 2002-03-11 | 2003-10-14 | Siemens Ag | Drawing method for image of medical instrument introduced into examination region of patient |
| JP2015062680A (en) * | 2005-01-11 | 2015-04-09 | ヴォルケイノウ・コーポレーション | Vascular information acquisition apparatus |
| USRE46562E1 (en) | 2005-01-11 | 2017-10-03 | Volcano Corporation | Vascular image co-registration |
| JP2006346080A (en) * | 2005-06-15 | 2006-12-28 | Shimadzu Corp | X-ray diagnostic system |
| JP4626414B2 (en) * | 2005-06-15 | 2011-02-09 | 株式会社島津製作所 | X-ray diagnostic equipment |
| WO2013015220A1 (en) * | 2011-07-22 | 2013-01-31 | 株式会社東芝 | X-ray diagnostic device and control program |
| JP2013046750A (en) * | 2011-07-22 | 2013-03-07 | Toshiba Corp | X-ray diagnostic apparatus and control program |
| CN103717135A (en) * | 2011-07-22 | 2014-04-09 | 株式会社东芝 | X-ray diagnostic device and control program |
| US10631797B2 (en) | 2011-07-22 | 2020-04-28 | Canon Medical Systems Corporation | X-ray diagnosis apparatus and control method |
| JP2015136416A (en) * | 2014-01-21 | 2015-07-30 | 株式会社東芝 | Catheter and image diagnostic apparatus |
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