CN210055992U - Intravascular dual-mode imaging device - Google Patents
Intravascular dual-mode imaging device Download PDFInfo
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- CN210055992U CN210055992U CN201920341932.0U CN201920341932U CN210055992U CN 210055992 U CN210055992 U CN 210055992U CN 201920341932 U CN201920341932 U CN 201920341932U CN 210055992 U CN210055992 U CN 210055992U
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Abstract
The utility model provides an intravascular dual-mode imaging device, which comprises an imaging probe, a probe driving and imaging controller, an OCT unit and an imaging host; the OCT unit comprises an OCT imaging module and an OCT acquisition module; the imaging host comprises a computer and a host bus interface module; the probe driving and imaging controller comprises a photoelectric slip ring, an IVUS transmitting and receiving module, an IVUS acquisition module, a probe motion control unit and a DIC end bus interface module; the IVUS acquisition module and the probe motion control unit are connected with the DIC-side bus interface module, and the DIC-side bus interface module and the OCT acquisition module are connected with a computer through the host-side bus interface module. By adopting the technical scheme of the utility model, the signal attenuation and interference are effectively reduced, and the transmission speed and the transmission distance of the signal are improved; the advantages of ultrasound and optical imaging techniques are better integrated.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to an intravascular dual-mode imaging device.
Background
Endoscopic imaging technology is widely applied to image diagnosis and image-guided therapy in multiple fields of cardiovascular and cerebrovascular systems, digestive tracts, urinary systems, respiratory tracts and the like, and greatly promotes the inspection precision of diseases. The intravascular imaging technology integrates optical or ultrasonic imaging elements in a catheter to extend into a blood vessel for imaging, can acquire the geometric structural form of the blood vessel tissue, and becomes a 'gold standard' for diagnosis and treatment evaluation of intravascular lesions. Common intravascular imaging techniques include intravascular ultrasound Imaging (IVUS) and Optical Coherence Tomography (OCT). The IVUS can realize ultra-large depth imaging from several millimeters to several centimeters and obtain integral structure image information of biological tissues or organs because the tissues have extremely small scattering and attenuation to the ultrasound and have extremely good penetrating capability to the biological tissues. However, the ultrasonic imaging technology has low image resolution, cannot obtain a fine structure of a tissue, and has insufficient diagnostic capability for fine changes of early lesions of the tissue. The optical imaging technology, particularly the OCT technology and other technologies, can obtain an image resolution 10 to 100 times higher than that of the ultrasound technology by using an optical focusing means, can obtain a fine structure of a tissue, and can clearly find early changes of the tissue, but the imaging depth of 1 to 2 millimeters can only be realized by using the optical focusing imaging method, and the overall structural characteristics of a diseased tissue cannot be obtained. Therefore, the ultrasonic technology and the optical imaging technology have obvious complementary advantages, and the development of the ultrasonic and optical combined dual-mode imaging technology is a trend. However, because a dual-mode probe is involved, the problems of signal interference, incapability of long-distance high-speed transmission and the like easily occur in the dual-mode imaging process by utilizing the prior art.
SUMMERY OF THE UTILITY MODEL
To above technical problem, the utility model discloses an intravascular bimodulus imaging device, the signal attenuation and the interference of effectively reducing have improved the transmission speed and the transmission distance of signal.
To this end, the utility model discloses a technical scheme do:
an intravascular dual-mode imaging device comprises an imaging probe, a probe driving and imaging controller, an OCT unit, an imaging host, a display and an input device;
the OCT unit comprises an OCT imaging module and an OCT acquisition module, and the OCT imaging module is connected with the OCT acquisition module; the imaging host comprises a computer, a host bus interface module and a power supply control module;
and the power supply control module is respectively connected with the computer, the OCT unit, the probe driving and imaging controller and the display to provide power supply.
The probe driving and imaging controller comprises an optoelectronic slip ring, an IVUS transmitting and receiving module, an IVUS acquisition module, a probe motion control unit and a DIC (Drive and imaging controller) end bus interface module;
the imaging probe is connected with a photoelectric slip ring, the photoelectric slip ring is respectively connected with an OCT imaging module and an IVUS transmitting and receiving module, the IVUS transmitting and receiving module is connected with an IVUS acquisition module, the IVUS acquisition module and a probe motion control unit are respectively connected with a DIC end bus interface module, the DIC end bus interface module and the OCT acquisition module are connected with a host end bus interface module, and the host end bus interface module, a display and input equipment are respectively connected with a computer;
the imaging probe comprises a dual-mode probe integrating IVUS and OCT imaging elements, a single-mode OCT probe and a single-mode IVUS probe;
the display is a double-screen display or a display capable of split-screen display.
The power control module provides the power supply of the whole machine and the power state control of each module. The display is used for operation interface and display of intravascular dual mode/single mode imaging images. The computer is used to run system software, process imaging data and store data. The OCT imaging module is used for emitting infrared light and collecting returned infrared light, processing the returned infrared light, converting the infrared light into an electric signal and outputting the electric signal to the OCT acquisition module. The OCT acquisition module is used for acquiring OCT signals output by the OCT imaging module, converting the electric signals into digital signals and transmitting the digital signals to the computer through the host bus interface module. The host bus interface module is used for receiving and transmitting control instructions and imaging data. The photoelectric slip ring integrates the signal transmission of light and electric signals between a moving part and a static part. The IVUS transmitting and receiving module is used for transmitting the ultrasonic excitation signal and receiving the ultrasonic echo electric signal and outputting the ultrasonic echo electric signal to the IVUS acquisition module. The IVUS acquisition module acquires the IVUS signals output by the IVUS transmitting and receiving module, converts the electric signals into digital signals, transmits the digital signals to the host bus interface module through the DIC bus interface module, and finally transmits the digital signals to the computer. The host bus interface module is used for receiving and transmitting synchronous control instructions, logic control instructions and dual-mode imaging data. The probe motion control unit may employ a probe motion control device of the related art.
By adopting the technical scheme, the IVUS transmitting and receiving module and the IVUS acquisition module are arranged in the probe driving and imaging controller, so that the transmission distance of the IVUS signal is reduced, and the attenuation of the IVUS signal is effectively reduced; meanwhile, the IVUS acquisition module converts the IVUS electric signal into a digital signal and then transmits the digital signal, so that the signal interference in the transmission process is effectively reduced, and the farther-distance signal transmission is supported. And the mode of butt joint of the host side bus interface module and the DIC side bus interface module is adopted, so that high-speed and long-distance transmission of large data such as control instructions, signal data and the like is realized.
As a further improvement of the present invention, the intravascular dual-mode imaging device includes a data synchronization processing and logic control module, which is connected to the host bus interface module;
the probe driving and imaging controller comprises an imaging control panel and a probe identification module; the probe motion control unit comprises a three-dimensional motor control module and a three-dimensional scanning motion device which are connected with each other, and the three-dimensional motor control module is respectively connected with the DIC end bus interface module and the imaging control panel; the probe identification module is connected with the DIC end bus interface module.
Wherein the imaging control panel provides fast imaging control button operation and status indicator lights. The probe identification module is used for automatically identifying the type of the accessed probe and the built-in factory parameters. The data synchronous processing and logic control module processes the synchronous acquisition, processing and transmission of dual-mode data and the state control of each module, controls the synchronous signal transmission and reception of the IVUS transmitting and receiving module and the OCT imaging device, and synchronously acquires and uploads the data of the IVUS acquisition module and the OCT acquisition module to the computer. The data synchronization processing and logic control module can adopt the data synchronization processing and logic control module in the prior art. The three-dimensional motor control module is used for driving and controlling the operation of the three-dimensional scanning motion device. The three-dimensional scanning motion device is used for driving the high-speed rotation and the quick pull-back action of the imaging probe. The three-dimensional motor control module and the three-dimensional scanning motion device can adopt the three-dimensional motor control module and the three-dimensional scanning motion device in the prior art.
As a further improvement of the present invention, the OCT unit is located in the imaging host. Further, the data synchronization processing and logic control module is located in the imaging host.
As a further improvement of the present invention, the OCT unit is located within the probe drive and imaging controller; furthermore, the OCT acquisition module is connected with the host side bus interface module through the DIC side bus interface module. Further, the data synchronization processing and logic control module is located in the imaging host.
As a further improvement of the utility model, the OCT unit is located probe drive and imaging controller, and data synchronization processing and logic control module also are located probe drive and imaging controller, OCT collection module, data synchronization processing and logic control module are connected with host computer end bus interface module through DIC end bus interface module respectively.
As a further improvement of the present invention, the IVUS collection module and the OCT collection module are different channels of one collection module, or two different collection modules.
As a further improvement of the present invention, the OCT imaging module includes an OCT light source for generating infrared light, an interferometer for forming an interference signal by the infrared light returned by the object to be measured and the infrared light returned by the reference arm, a reference arm for returning the infrared light of the reference arm, and a photoelectric detector for converting the optical signal into an electrical signal.
As a further improvement of the present invention, the input device includes at least one of a keyboard, a mouse/trackball, and a touch screen.
Compared with the prior art, the beneficial effects of the utility model are that:
by adopting the technical scheme of the utility model, the signal attenuation and interference are effectively reduced, and the transmission speed and the transmission distance of the signal are improved; the device can be compatible with the use of three modality imaging probes, better integrates the advantages of an ultrasonic technology and an optical imaging technology, can obtain clearer images and the fineness and the integral structure of tissues, clearly discovers the early change of the tissues and enables the examination of diseases to be more accurate and reliable.
Drawings
Fig. 1 is a schematic diagram of a module connection structure according to embodiment 1 of the present invention.
Fig. 2 is a schematic external view of the imaging host according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the connection between the imaging probe and the probe driving and imaging controller in embodiment 1 of the present invention.
Fig. 4 is a schematic diagram of a module connection structure according to embodiment 2 of the present invention.
Fig. 5 is a schematic diagram of a module connection structure according to embodiment 3 of the present invention.
Fig. 6 is a schematic diagram of a module connection structure according to embodiment 4 of the present invention.
The reference numerals include:
1-imaging host, 2-display, 3-probe driving and imaging controller, 4-imaging probe, 5-imaging control panel.
Detailed Description
Preferred embodiments of the present invention are described in further detail below.
Example 1
As shown in fig. 1 to 3, an intravascular dual-mode imaging device includes an imaging probe 4, a probe driving and imaging controller 3, an OCT unit, an imaging host 1, a display 2, and an input device. The OCT unit comprises an OCT imaging module and an OCT acquisition module, and the OCT imaging module is connected with the OCT acquisition module. The imaging host 1 comprises a computer, a host bus interface module and a power supply control module. And the power supply control module is respectively connected with the computer, the OCT unit, the probe driving and imaging controller 3 and the display 2 to provide power supply. The probe driving and imaging controller 3 comprises a photoelectric slip ring, an IVUS transmitting and receiving module, an IVUS acquisition module, a probe motion control unit and a DIC end bus interface module.
The imaging probe 4 is connected with a photoelectric slip ring, the photoelectric slip ring is respectively connected with an OCT imaging module and an IVUS transmitting and receiving module, the IVUS transmitting and receiving module is connected with an IVUS acquisition module, the IVUS acquisition module and a probe motion control unit are respectively connected with a DIC end bus interface module, the DIC end bus interface module and the OCT acquisition module are connected with a host end bus interface module, and the host end bus interface module, the display 2 and the input device are respectively connected with a computer.
The imaging probe 4 comprises a dual mode probe integrating IVUS and OCT imaging elements, a single mode OCT probe and a single mode IVUS probe. The front end of the dual mode probe (IVUS + OCT) integrates IVUS and OCT imaging elements while providing IVUS and OCT signals. The display 2 is a dual screen display.
Further, the probe driving and imaging controller 3 includes an imaging control panel 5, and the imaging control panel 5 is connected with the probe motion control unit.
By adopting the technical scheme, the IVUS transmitting and receiving module and the IVUS acquisition module are both arranged in the probe driving and imaging controller 3, so that the transmission distance of IVUS signals is greatly reduced, and the attenuation of the IVUS signals is effectively reduced; meanwhile, the IVUS acquisition module converts the IVUS electric signal into a digital signal and then transmits the digital signal through the bus module, so that the signal interference in the transmission process is effectively reduced, and the farther-distance signal transmission is supported. The host bus interface module and the DIC bus interface module are in butt joint, so that high-speed and long-distance transmission of large data such as control instructions and signal data is realized.
The signal flow of this embodiment is:
the computer sends an instruction through the host bus interface module, the instruction is respectively transmitted to the OCT unit and the probe driving and imaging controller 3 through the host bus interface module, the synchronous ultrasonic excitation and/or infrared light emission of the IVUS transmitting and receiving module and/or the OCT imaging module are controlled, the ultrasonic excitation and/or infrared light is transmitted to the imaging probe 4 through the photoelectric slip ring, the imaging probe 4 projects signals to an object to be detected and receives signals returned by the object to be detected, the returned ultrasonic echo signals and/or infrared light are transmitted back to the IVUS transmitting and receiving module and/or the OCT imaging module through the photoelectric slip ring, the IVUS transmitting and receiving module and/or the OCT imaging module receive the returned signals and convert the signals into electric signals to be transmitted to the IVUS acquisition module and/or the OCT acquisition module, the IVUS acquisition module and/or the OCT acquisition module synchronously acquire IVUS signals and/or OCT signals, the analog signal is converted into a digital signal, the IVUS digital signal is transmitted to the computer through the DIC side bus interface module and the host side bus interface module, the OCT digital signal is output by the OCT acquisition module and transmitted to the computer through the host side bus interface module, and the signal is processed by the computer and then displayed by the display 2.
Example 2
On the basis of the embodiment 1, as shown in fig. 4, the intravascular dual-mode imaging device has the OCT unit located in the imaging host, that is, the OCT imaging module and the OCT acquisition module are located in the imaging host. And a data synchronous processing and logic control module is arranged in the imaging host and is connected with the host bus interface module.
The probe driving and imaging controller comprises an imaging control panel and a probe identification module. The probe motion control unit comprises a three-dimensional motor control module and a three-dimensional scanning motion device which are connected with each other, and the three-dimensional motor control module is respectively connected with the DIC end bus interface module and the imaging control panel; the probe identification module is connected with the DIC end bus interface module.
The signal flow of this embodiment is:
the computer sends an instruction to the data synchronization processing and logic control module through the host-side bus interface module, the data synchronization processing and logic control module controls the synchronous ultrasonic excitation and/or infrared light emission of the IVUS transmitting and receiving module and/or the OCT imaging module, the ultrasonic excitation and/or infrared light is transmitted to the imaging probe through the photoelectric slip ring, the imaging probe projects signals to an object to be detected and receives signals returned by the object to be detected, the returned ultrasonic echo signals and/or infrared light are transmitted back to the IVUS transmitting and receiving module and/or the OCT imaging module through the photoelectric slip ring, the IVUS transmitting and receiving module and/or the OCT imaging module receive the returned signals and convert the signals into electric signals to be transmitted to the IVUS acquisition module and/or the OCT acquisition module, and the IVUS acquisition module and/or the OCT acquisition module synchronously acquire IVUS signals, the system comprises a digital image acquisition module, a host side bus interface module, an IVUS digital signal, a data synchronization processing and logic control module, an OCT acquisition module, a data synchronization processing and logic control module, a computer and a double-screen display, wherein the data synchronization processing and logic control module is used for packaging and processing the IVUS digital signal and/or the OCT digital signal and then uniformly uploading the packaged and processed signals to the computer, and the computer is used for simultaneously displaying the processed signals through the double-screen display after signal algorithm processing and image reconstruction.
In this embodiment, the IVUS acquisition module and the OCT acquisition module are two different acquisition modules.
Example 3
Based on embodiment 1, as shown in fig. 5, an intravascular dual-mode imaging device includes an OCT unit located in a probe driver and imaging controller, that is, an OCT imaging module and an OCT acquisition module located in the probe driver and imaging controller, where the OCT acquisition module is connected to a host-side bus interface module through a DIC-side bus interface module. And a data synchronous processing and logic control module is arranged in the imaging host and is connected with the host bus interface module.
The probe driving and imaging controller comprises an imaging control panel and a probe identification module. The probe motion control unit comprises a three-dimensional motor control module and a three-dimensional scanning motion device which are connected with each other, and the three-dimensional motor control module is respectively connected with the DIC end bus interface module and the imaging control panel; the probe identification module is connected with the DIC end bus interface module.
The signal flow of this embodiment is:
the computer sends an instruction to the data synchronization processing and logic control module through the host-side bus interface module, the data synchronization processing and logic control module controls the synchronous ultrasonic excitation and/or infrared light emission of the IVUS transmitting and receiving module and/or the OCT imaging module, the ultrasonic excitation and/or infrared light is transmitted to the imaging probe through the photoelectric slip ring, the imaging probe projects signals to an object to be detected and receives signals returned by the object to be detected, the returned ultrasonic echo signals and/or infrared light are transmitted back to the IVUS transmitting and receiving module and/or the OCT imaging module through the photoelectric slip ring, the IVUS transmitting and receiving module and/or the OCT imaging module receive the returned signals and convert the signals into electric signals to be transmitted to the IVUS acquisition module and/or the OCT acquisition module, and the IVUS acquisition module and/or the OCT acquisition module synchronously acquire IVUS signals, and the analog signals are converted into digital signals, the IVUS digital signals and/or OCT digital signals are transmitted to the data synchronization processing and logic control module through the DIC side bus interface module and the host side bus interface module, the IVUS digital signals and/or OCT digital signals are packaged and processed by the data synchronization processing and logic control module and then are uniformly uploaded to a computer through the host side bus interface module, and the computer performs signal algorithm processing and image reconstruction and simultaneously displays the signals by the double-screen display.
In this embodiment, the IVUS acquisition module and the OCT acquisition module may be different channels of the same acquisition module, or may be two different acquisition modules.
Example 4
Based on embodiment 1, as shown in fig. 6, an intravascular dual-mode imaging device includes an OCT unit located in a probe driver and imaging controller, that is, an OCT imaging module and an OCT acquisition module are located in the probe driver and imaging controller, a data synchronization processing and logic control module is disposed in the probe driver and imaging controller, and the OCT acquisition module and the data synchronization processing and logic control module are respectively connected to a host bus interface module through a DIC side bus interface module.
The probe driving and imaging controller comprises an imaging control panel and a probe identification module. The probe motion control unit comprises a three-dimensional motor control module and a three-dimensional scanning motion device which are connected with each other, and the three-dimensional motor control module is respectively connected with the DIC end bus interface module and the imaging control panel; the probe identification module is connected with the DIC end bus interface module.
The signal flow of this embodiment is:
the computer sends an instruction to the data synchronization processing and logic control module through the host-side bus interface module, the data synchronization processing and logic control module controls the synchronous ultrasonic excitation and/or infrared light emission of the IVUS transmitting and receiving module and/or the OCT imaging module, the ultrasonic excitation and/or infrared light is transmitted to the imaging probe through the photoelectric slip ring, the imaging probe projects signals to an object to be detected and receives signals returned by the object to be detected, the returned ultrasonic echo signals and/or infrared light are transmitted back to the IVUS transmitting and receiving module and/or the OCT imaging module through the photoelectric slip ring, the IVUS transmitting and receiving module and/or the OCT imaging module receive the returned signals and convert the signals into electric signals to be transmitted to the IVUS acquisition module and/or the OCT acquisition module, and the IVUS acquisition module and/or the OCT acquisition module synchronously acquire IVUS signals, and the analog signals are converted into digital signals, the IVUS digital signals and/or OCT digital signals are transmitted to the data synchronization processing and logic control module through the DIC side bus interface module and the host side bus interface module, the IVUS digital signals and/or OCT digital signals are packaged and processed by the data synchronization processing and logic control module and then are uniformly uploaded to a computer through the host side bus interface module, and the computer performs signal algorithm processing and image reconstruction and simultaneously displays the signals by the double-screen display.
In this embodiment, the IVUS acquisition module and the OCT acquisition module may be different channels of the same acquisition module, or may be two different acquisition modules.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (8)
1. An intravascular dual-mode imaging device, characterized by: the OCT imaging system comprises an imaging probe, a probe driving and imaging controller, an OCT unit, an imaging host, a display and an input device;
the OCT unit comprises an OCT imaging module and an OCT acquisition module, and the OCT imaging module is connected with the OCT acquisition module; the imaging host comprises a computer, a host bus interface module and a power supply control module;
the power supply control module is respectively connected with the computer, the OCT unit, the probe driving and imaging controller and the display;
the probe driving and imaging controller comprises a photoelectric slip ring, an IVUS transmitting and receiving module, an IVUS acquisition module, a probe motion control unit and a DIC end bus interface module;
the imaging probe is connected with a photoelectric slip ring, the photoelectric slip ring is respectively connected with an OCT imaging module and an IVUS transmitting and receiving module, the IVUS transmitting and receiving module is connected with an IVUS acquisition module, the IVUS acquisition module and a probe motion control unit are respectively connected with a DIC end bus interface module, the DIC end bus interface module and the OCT acquisition module are connected with a host end bus interface module, and the host end bus interface module, a display and input equipment are respectively connected with a computer;
the imaging probe comprises a dual-mode probe integrating IVUS and OCT imaging elements, a single-mode OCT probe and a single-mode IVUS probe;
the display is a double-screen display or a display capable of split-screen display.
2. The intravascular dual-mode imaging device of claim 1, wherein: the system comprises a data synchronization processing and logic control module, a host side bus interface module and a data synchronization processing and logic control module, wherein the data synchronization processing and logic control module is connected with the host side bus interface module;
the probe driving and imaging controller comprises an imaging control panel and a probe identification module; the probe motion control unit comprises a three-dimensional motor control module and a three-dimensional scanning motion device which are connected with each other, and the three-dimensional motor control module is respectively connected with the DIC end bus interface module and the imaging control panel; the probe identification module is connected with the DIC end bus interface module.
3. The intravascular dual-mode imaging device of claim 1, wherein: the OCT unit is located in the imaging host.
4. The intravascular dual-mode imaging device of claim 1, wherein: the OCT unit is located in the probe driving and imaging controller, and the OCT acquisition module is connected with the host computer side bus interface module through the DIC side bus interface module.
5. The intravascular dual-mode imaging device of claim 2, wherein: the OCT unit is positioned in the probe driving and imaging controller, and the OCT acquisition module and the data synchronous processing and logic control module are respectively connected with the host computer side bus interface module through the DIC side bus interface module.
6. The intravascular dual-mode imaging device of claim 4 or 5, wherein: the IVUS acquisition module and the OCT acquisition module are different channels of one acquisition module or two different acquisition modules.
7. The intravascular dual-mode imaging device according to any one of claims 1 to 5, wherein: the OCT imaging module comprises an OCT light source for generating infrared light, an interferometer for forming interference signals by the infrared light returned by the object to be measured and the infrared light returned by the reference arm, the reference arm for returning the infrared light of the reference arm and a photoelectric detector for converting the optical signals into electric signals.
8. The intravascular dual-mode imaging device according to any one of claims 1 to 5, wherein: the input device comprises at least one of a keyboard, a mouse/trackball, and a touch screen.
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| CN109875512A (en) * | 2019-03-18 | 2019-06-14 | 深圳英美达医疗技术有限公司 | A kind of intravascular double-mode imaging device |
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| CN109875512A (en) * | 2019-03-18 | 2019-06-14 | 深圳英美达医疗技术有限公司 | A kind of intravascular double-mode imaging device |
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