CN102512208A - Intravascular forward-view/side-view integrated double-field-of-view ultrasonic imaging device and imaging method thereof - Google Patents
Intravascular forward-view/side-view integrated double-field-of-view ultrasonic imaging device and imaging method thereof Download PDFInfo
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- CN102512208A CN102512208A CN2011104142544A CN201110414254A CN102512208A CN 102512208 A CN102512208 A CN 102512208A CN 2011104142544 A CN2011104142544 A CN 2011104142544A CN 201110414254 A CN201110414254 A CN 201110414254A CN 102512208 A CN102512208 A CN 102512208A
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Abstract
The invention provides an intravascular forward-view/side-view integrated double-field-of-view ultrasonic imaging device and an imaging method thereof. The intravascular forward-view/side-view integrated double-field-of-view ultrasonic imaging device comprises a double-view transducer with side-viewing and forward-viewing functions, an interventional catheter connected with the double-view transducer, an automatic retraction device for moving the transducer forward and backward for detection through a guide wire which is arranged inside the interventional catheter, a collection control card for controlling and collecting detected data of the transducer, and a computer for digital signal and image processing. The tortuous front end of a diseased blood vessel or the distal end of a totally-occluded blood vessel can be observed by the side-view/forward-view integrated intravascular ultrasonic device, which makes a doctor grasp the vascular conditions of a patient and make an individualized surgical treatment plan. During interventional surgery, the device can provide front-end blood vessel information in real time and play a role of intraoperative guidance.
Description
Technical field
The invention belongs to intravascular ultrasound imaging diagnostic techniques field, particularly a kind of double-view field supersonic imaging device and formation method thereof that is applicable to that forward sight combines with the side examination in the blood vessel.
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Background technology
Cardiovascular disease is known as " first killer of human health "; Annual nearly 2,000 ten thousand people in the whole world die from acute cardiovascular event; Promptly there is a people therefore dead in per 10 seconds; Along with the fast development of China's economic level, the raising of living standards of the people, the threat of cardiovascular disease also highlights in China day by day.Intravascular ultrasound imaging is to utilize the ultrasonic transducer that is installed in the cardiac catheter front end, forms images from internal blood vessel and detects the interventional ultrasound diagnostic techniques of tube chamber size and structural pipe wall.It can show blood vessel transverse section anatomical structure in real time, observes the AP form and the evolution that are attached to tube wall surface, measures degree of stenosis, thereby instructs percutaneous arteria coronaria interventional therapy and evaluating efficacy.Therefore in recent years, intravascular ultrasound has become the important image means of cardiovascular disease diagnosis treatment such as coronary heart disease, is considered to new " goldstandard " of vascular test.Present intravascular ultrasound imaging appearance; No matter be to adopt mechanical rotation formula probe or electronically phased array probe, all only can show the cross-sectional image of probe place blood vessel, promptly can only become side elevation image; All can only be like Boston Scientific iLab that produces and the serial intravascular ultrasound imaging appearance of S5 that Volcano company produces to the lateral blood vessel imaging of popping one's head in; Do not possess the ability that forward sight is surveyed, can't be to the blood vessel imaging of probe front, for the serious narrow or inaccessible pathological changes of blood vessel; If the ultrasonic probe of instrument can't pass through, then just can't accomplish inspection.
Therefore, in view of the deficiency of prior art, the healthcare givers hopes to have the intravascular ultrasound imager of a kind of not only detecting ultrasonic probe both sides vascular condition, and even more ideal is has the intravascular ultrasound diagnostic apparatus that forward sight and side-looking simultaneously form images.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of be applicable to forward sight and bonded double-view field supersonic imaging device of side-looking and formation method thereof in the blood vessel are provided.
The object of the invention is realized through following technical scheme:
The device of forward sight and the bonded double-view field ultrasonic imaging method of side-looking in a kind of blood vessel comprises:
The double vision transducer that has side-looking and preceding visual function, the double vision transducer combines for ring battle array side-looking transducer and phased array forward looking transducer;
The interposing catheter that links together with the double vision transducer;
Move through the inner seal wire of interposing catheter and to realize that the double vision transducer moves forward and backward returning automatically of detection and removes device, return automatically and remove device and be connected with interposing catheter;
Be used to control and gather the acquisition and control card of double vision transducer detection data, acquisition and control card is connected on the interposing catheter;
And the computer with digital signal corresponding and Flame Image Process, be connected on the acquisition and control card.
Said double vision transducer is fixed on the seal wire of interposing catheter central authorities, can in conduit, move forward and backward with seal wire.The structure of double vision transducer comprises that the forward looking transducer of forming than the low frequency ultrasound transducer that is looped around on the conduit cylindrical side side-looking array energy transducer that the high-frequency transducer by the about 50MHz of mid frequency forms and the about 20MHz of mid frequency on the distribution conduit front end face forms.
Utilize the formation method of interior forward sight of above-mentioned blood vessel and the bonded double-view field supersonic imaging device of side-looking, comprise the steps:
Step 1) forms the scanning ultrasonic field of a side-looking direction through triggering each array element of side-looking array energy transducer successively;
Step 2) each array element receives ultrasound echo signal successively, and with transfer of data in the intravascular ultrasound imaging appearance, obtain the two-dimensional section image of this position blood vessel sidewall;
Step 3) is delayed time when step 1) is carried out and is triggered the forward looking transducer annular array of transducer front end, makes forward sight ring configuration transducer form the ultrasonic scanning sound field of a preceding apparent direction;
The ultrasonic array element receiving step 3 of each forward sight of step 4)) ultrasound echo signal in, the intravascular ultrasound imaging system obtains the imaging data of this scanning direction in the forward sight visual field;
Step 5) repeating step 3) and step 4), through changing the direction that the array element time-delay changes the scanning acoustic beam, until data acquisition and the transmission of accomplishing whole cross section, forward looking transducer the place ahead;
Step 6) is according to the view data in the step 5), judges obstruction, the narrow situation of front end blood vessel, and whether definite conduit advances or retreat;
Step 7) is removed through returning of conduit or to advance, and makes the whole energy transducer position backward or the preceding segment distance that moves, and repeats above-mentioned steps 1)-step 6) obtains two two-dimensional section images in addition;
Step 8) repeating step 6) and step 7), obtain the corresponding two-dimensional section image of each diverse location of one section blood vessel, these two-dimensional section image integrations are become 3-D view until completion.
Compared with prior art, the advantage of technical scheme of the present invention is:
Endovascular double-view field supersonic imaging device provided by the invention adopts ring battle array side-looking transducer to combine with the phased array forward looking transducer, can not only be to the imaging of blood vessel sidewall, and the while can also be to apparent direction imaging before the blood vessel.Can obtain the image of the several centimetres of degree of depth as required along the blood vessel axial distal end, with the demonstration unstable spot, and can the more convenient structure that shows blood vessel wall all sidedly.The blood vessel far-end that the intravascular ultrasound device that utilizes side-looking and forward sight to combine can be seen the lesion vessels that front end is tortuous or entirely shut; More help the grasp of doctor to the sufferer blood vessel state; Formulate the scheme of suitable operative treatment; And can the front end vascular condition be provided in real time in the treatment of intervene operation, play the effect of navigating in the art.
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Description of drawings
Fig. 1 is the structural representation of interior forward sight of blood vessel of the present invention and the bonded double-view field supersonic imaging device of side-looking.
Fig. 2 is the structural representation of double vision transducer of the present invention.
Label declaration among the figure: 21. high-frequency transducers, 22. than the low frequency ultrasound transducer, 23. forward looking transducer, 24. side-looking array energy transducers.
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The specific embodiment
Embodiment 1
In conjunction with illustrated in figures 1 and 2, a kind of intravascular ultrasound forward sight and side-looking double-view field supersonic imaging device comprise:
The double vision transducer that has side-looking and preceding visual function,
The interposing catheter that links together with the double vision transducer;
The double vision transducer is fixed on the seal wire 23 of interposing catheter central authorities, and the structure of double vision transducer comprises that the forward looking transducer of forming than low frequency ultrasound transducer 22 23 that is looped around on the conduit cylindrical side side-looking array energy transducer 24 that the high-frequency transducer 21 by the about 50MHz of mid frequency forms and the about 20MHz of mid frequency on the distribution conduit front end face forms;
Move through the inner seal wire of interposing catheter and to realize that the double vision transducer moves forward and backward returning automatically of detection and removes device, return automatically and remove device and be connected with interposing catheter;
Be used to control and gather the acquisition and control card of double vision transducer detection data, acquisition and control card is connected on the interposing catheter;
And the computer with digital signal corresponding and Flame Image Process, be connected on the acquisition and control card.
Utilize the formation method of interior forward sight of above-mentioned blood vessel and the bonded double-view field supersonic imaging device of side-looking, comprise the steps:
Step 1) forms the scanning ultrasonic field of a side-looking direction through triggering each array element of side-looking array energy transducer successively;
Step 2) each array element receives ultrasound echo signal successively, and with transfer of data in the intravascular ultrasound imaging appearance, obtain the two-dimensional section image of this position blood vessel sidewall;
Step 3) is delayed time when step 1) is carried out and is triggered the forward looking transducer annular array of transducer front end, makes forward sight ring configuration transducer form the ultrasonic scanning sound field of a preceding apparent direction;
The ultrasonic array element receiving step 3 of each forward sight of step 4)) ultrasound echo signal in, the intravascular ultrasound imaging system obtains the imaging data of this scanning direction in the forward sight visual field;
Step 5) repeating step 3) and step 4), through changing the direction that the array element time-delay changes the scanning acoustic beam, until data acquisition and the transmission of accomplishing whole cross section, forward looking transducer the place ahead;
Step 6) is according to the view data in the step 5), judges obstruction, the narrow situation of front end blood vessel, and whether definite conduit advances or retreat;
Step 7) is removed through returning of conduit or to advance, and makes the whole energy transducer position backward or the preceding segment distance that moves, and repeats above-mentioned steps 1)-step 6) obtains two two-dimensional section images in addition;
Step 8) repeating step 6) and step 7), obtain the corresponding two-dimensional section image of each diverse location of one section blood vessel, these two-dimensional section image integrations are become 3-D view until completion.
The foregoing description just is to let the one of ordinary skilled in the art can understand content of the present invention and enforcement according to this in order technical conceive of the present invention and characteristics to be described, to be its objective is, can not limit protection scope of the present invention with this.The variation or the modification of every equivalence that the essence of content has been done according to the present invention all should be encompassed in protection scope of the present invention.
Claims (3)
1. forward sight and the bonded double-view field supersonic imaging device of side-looking in the blood vessel is characterized in that,
Comprise:
The double vision transducer that has side-looking and preceding visual function;
The interposing catheter that links together with the double vision transducer;
Move through the inner seal wire of interposing catheter and to realize that the double vision transducer moves forward and backward returning automatically of detection and removes device, return automatically and remove device and be connected with interposing catheter;
Be used to control and gather the acquisition and control card of double vision transducer detection data, acquisition and control card is connected on the interposing catheter;
And the computer with digital signal corresponding and Flame Image Process, be connected on the acquisition and control card.
2. intravascular ultrasound forward sight according to claim 1 and side-looking double-view field imaging device; It is characterized in that; The double vision transducer is fixed on the seal wire (23) of interposing catheter central authorities, and the structure of double vision transducer comprises that the forward looking transducer of forming than low frequency ultrasound transducer (22) (23) that is looped around on the side-looking array energy transducer (24) be made up of high-frequency transducer (21) on the conduit cylindrical side and the distribution conduit front end face forms.
3. utilize the formation method of described intravascular ultrasound forward sight of claim 1 and side-looking double-view field imaging device, it is characterized in that, comprise the steps:
Step 1) forms the scanning ultrasonic field of a side-looking direction through triggering each array element of side-looking array energy transducer successively;
Step 2) each array element receives ultrasound echo signal successively, and with transfer of data in the intravascular ultrasound imaging appearance, obtain the two-dimensional section image of this position blood vessel sidewall;
Step 3) is delayed time when step 1) is carried out and is triggered the forward looking transducer annular array of transducer front end, makes forward sight ring configuration transducer form the ultrasonic scanning sound field of a preceding apparent direction;
The ultrasonic array element receiving step 3 of each forward sight of step 4)) ultrasound echo signal in, the intravascular ultrasound imaging system obtains the imaging data of this scanning direction in the forward sight visual field;
Step 5) repeating step 3) and step 4), through changing the direction that the array element time-delay changes the scanning acoustic beam, until data acquisition and the transmission of accomplishing whole cross section, forward looking transducer the place ahead;
Step 6) is according to the view data in the step 5), judges obstruction, the narrow situation of front end blood vessel, and whether definite conduit advances or retreat;
Step 7) is removed through returning of conduit or to advance, and makes the whole energy transducer position backward or the preceding segment distance that moves, and repeats above-mentioned steps 1)-step 6) obtains two two-dimensional section images in addition;
Step 8) repeating step 6) and 7), obtain the corresponding two-dimensional section image of each diverse location of one section blood vessel until completion, these two-dimensional section image integrations are become 3-D view.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105193455A (en) * | 2015-10-28 | 2015-12-30 | 上海爱声生物医疗科技有限公司 | Multifrequency adjustable intravascular diasonograph and diagnosis method thereof |
| CN107550519A (en) * | 2017-08-22 | 2018-01-09 | 深圳先进技术研究院 | A kind of Multifunctional blood intraductal ultrasonography imaging device |
| CN107736900A (en) * | 2017-11-09 | 2018-02-27 | 深圳先进技术研究院 | A kind of dual transducers intravascular ultrasound imaging device |
| CN108652674A (en) * | 2017-07-03 | 2018-10-16 | 深圳英美达医疗技术有限公司 | A kind of ultrasonic imaging seal wire and imaging system |
| CN109009231A (en) * | 2018-07-17 | 2018-12-18 | 庞兴学 | A kind of ultrasound vessel catheter |
| WO2019036897A1 (en) * | 2017-08-22 | 2019-02-28 | 深圳先进技术研究院 | Multifunctional intravascular ultrasonic imaging device |
| CN109788940A (en) * | 2016-09-30 | 2019-05-21 | 皇家飞利浦有限公司 | Track the feature of intervening equipment |
| CN112057167A (en) * | 2019-05-22 | 2020-12-11 | 深圳市德力凯医疗设备股份有限公司 | Ultrasonic navigation method and ultrasonic navigation equipment for vascular surgery |
| US20230157614A1 (en) * | 2020-04-02 | 2023-05-25 | Koninklijke Philips N.V. | Medical sensing system and positioning method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105193455A (en) * | 2015-10-28 | 2015-12-30 | 上海爱声生物医疗科技有限公司 | Multifrequency adjustable intravascular diasonograph and diagnosis method thereof |
| CN109788940A (en) * | 2016-09-30 | 2019-05-21 | 皇家飞利浦有限公司 | Track the feature of intervening equipment |
| CN108652674A (en) * | 2017-07-03 | 2018-10-16 | 深圳英美达医疗技术有限公司 | A kind of ultrasonic imaging seal wire and imaging system |
| CN107550519A (en) * | 2017-08-22 | 2018-01-09 | 深圳先进技术研究院 | A kind of Multifunctional blood intraductal ultrasonography imaging device |
| WO2019036897A1 (en) * | 2017-08-22 | 2019-02-28 | 深圳先进技术研究院 | Multifunctional intravascular ultrasonic imaging device |
| CN107736900A (en) * | 2017-11-09 | 2018-02-27 | 深圳先进技术研究院 | A kind of dual transducers intravascular ultrasound imaging device |
| CN109009231A (en) * | 2018-07-17 | 2018-12-18 | 庞兴学 | A kind of ultrasound vessel catheter |
| CN112057167A (en) * | 2019-05-22 | 2020-12-11 | 深圳市德力凯医疗设备股份有限公司 | Ultrasonic navigation method and ultrasonic navigation equipment for vascular surgery |
| US20230157614A1 (en) * | 2020-04-02 | 2023-05-25 | Koninklijke Philips N.V. | Medical sensing system and positioning method |
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Application publication date: 20120627 |