CN216124472U

CN216124472U - Ultrasonic-optical dual-mode imaging device and detection system

Info

Publication number: CN216124472U
Application number: CN202121542757.5U
Authority: CN
Inventors: 雷声; 邱维宝; 蒋沈南
Original assignee: Huiwei Medical Technology Taizhou Co ltd
Current assignee: Huiwei Medical Technology Taizhou Co ltd
Priority date: 2021-04-15
Filing date: 2021-07-07
Publication date: 2022-03-25
Anticipated expiration: 2031-07-07

Abstract

The utility model provides an ultrasonic-optical dual-mode imaging device and a detection system, wherein the ultrasonic-optical dual-mode imaging device comprises an ultrasonic transducer, a central shaft, a rotation drive, a camera module, a cable and a shell, wherein the ultrasonic transducer, the central shaft, the rotation drive and the camera module are positioned in the shell; the shell is connected to the cable, and stretches into inside the shell, cable electric connection module and ultrasonic transducer of making a video recording. The utility model can obtain the optical image of the surface of the human body cavity and the ultrasonic sectional image of the human body cavity. The middle part of the supporting device is wired, so that the imaging performance of the device is expanded, and the imaging of the original ultrasonic transducer cannot be shielded. The utility model adopts the non-contact electromagnetic coupler to realize the ultrasonic imaging with high rotating speed and high frame frequency.

Description

Ultrasonic-optical dual-mode imaging device and detection system

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an ultrasonic-optical dual-mode imaging device and a detection system.

Background

The incidence rate of digestive tract diseases is high, the incidence range is wide, the digestive tract diseases can appear in all age groups, the diseases are easy to recur, and the health of patients is greatly influenced. Digestive tract diseases are mainly divided into three major categories, including esophageal diseases, gastric diseases and intestinal inflammatory diseases. Different treatment strategies are required for different diseased parts and conditions, so that symptomatic treatment can be achieved only after professional examination and diagnosis of the disease condition.

Endoscopes have played an important role in the diagnosis of human digestive tract diseases. The device consists of modules such as an image sensor, an optical lens, a light source lighting device, a mechanical device and the like, and can enter a human body through an oral cavity or other natural pore canals. Doctors can observe the pathological changes in the human body by means of the endoscope and work out the optimal treatment plan according to the pathological changes. However, due to the limitation of the optical imaging depth, the conventional endoscope can only observe the surface of the cavity, and cannot acquire the lesion information of the deep layer of the cavity tissue, thereby greatly limiting the completeness and accuracy of diagnosis.

Ultrasonic imaging is an important medical diagnostic technique, and ultrasonic waves can reach deep tissue structures and reflect echoes to finally form images, so that the ultrasonic imaging can be used for detecting deep tissue lesions. In the diagnosis of digestive tract diseases, the ultrasonic imaging technology has the advantages that the ultrasonic imaging technology can display the changes of filling, emptying and the like in a gastrointestinal tube cavity, and display the peristalsis, thickness and hierarchical structure of the tube wall; has good display capability on tumors and other gastrointestinal wall thickening diseases, indicates the position and range of pathological changes, and can display the metastasis condition of malignant tumors.

The ultrasonic imaging device in the prior art usually uses a mechanical scanning imaging mode, the high frame frequency of an image is difficult to realize, the application of the ultrasonic imaging device in medical examination is limited, the mechanical rotation of the ultrasonic imaging device is driven by a solid motor, and the imaging of an ultrasonic transducer is shielded by a side wiring mode. In addition, the ultrasonic imaging device in the prior art has more probe signal channels, harder front end part, thicker outer diameter of the inner diameter catheter and small bending degree, which causes difficulty in inserting the endoscope, and the patient is more painful during insertion, so the ultrasonic imaging device is not suitable for patients with heart, lung and brain diseases.

The prior art is difficult to realize high frame frequency of images, the side wiring shields the imaging of the ultrasonic transducer, and the device is difficult to insert, so the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an ultrasound-optical dual-mode imaging device and a detection system, so as to overcome at least one of the above problems in the prior art, such as difficulty in implementing high frame frequency of images, difficulty in imaging by shielding an ultrasound transducer by side routing, difficulty in inserting the device, and the like.

In particular to an ultrasonic-optical dual-mode imaging device, which comprises an ultrasonic transducer, a central shaft, a rotary drive, a camera module, a cable and a shell, wherein the ultrasonic transducer, the central shaft, the rotary drive and the camera module are positioned in the shell,

the rotary drive is provided with an accommodating cavity, the accommodating cavity penetrates through two ends of the rotary drive, the central shaft penetrates through the accommodating cavity, and the ultrasonic transducer is sleeved on the central shaft, so that the rotary drive drives the ultrasonic transducer to rotate when rotating;

the cable is connected with the shell and extends into the shell, and the cable is electrically connected with the camera module and the ultrasonic transducer.

Further, the ultrasonic-optical dual-mode imaging device further comprises a rotary communication device, and the rotary communication device is sleeved on the central shaft;

the rotary communication device comprises a first stator and a first rotor, the ultrasonic transducer is connected with the first rotor through a first wire assembly, the first rotor is configured to rotate together with the ultrasonic transducer, and the first rotor is electrically connected with the first stator through electromagnetic coupling;

the central shaft is provided with a central hole, the camera module is connected with a second wire assembly, and the second wire assembly penetrates through the central hole.

Further, the rotation drive comprises a second rotor and a second stator, the second rotor is connected with the second stator through a bearing, the second rotor is fixedly connected with the central shaft, and the second rotor is configured to drive the central shaft to rotate.

Further, the rotary communication device is arranged between the camera module and the ultrasonic transducer;

a third wire assembly is connected to the first stator and passes through the central bore.

Further, the ultrasonic transducer is arranged between the camera module and the rotary communication device.

Further, the ultrasonic transducer and the first rotor are mounted together to form a rotating imaging assembly that rotates about the central axis;

Further, the camera module is provided with a wireless transmission module, and the wireless transmission module is used for transmitting optical imaging information.

Furthermore, the number of the rotation drives is multiple, and the rotation drives are sleeved on the central shaft in multiple.

A detection system comprises an ultrasonic-optical dual-mode imaging device, an image generation system, a display and a regulation and control unit, wherein the display is connected with the image generation system, and the regulation and control unit is connected with the ultrasonic-optical dual-mode imaging device;

the regulation and control unit is used for controlling the camera module and the ultrasonic transducer to image;

the image generation system is used for carrying out real-time image processing on the camera module and the ultrasonic scanning data and sending a processing result to the display;

the display is used for displaying the optical image and the ultrasonic image.

In summary, the utility model has at least the following beneficial effects:

the utility model can obtain the optical image of the surface of the human body cavity and the ultrasonic sectional image of the human body cavity, and broadens the scanning range from the surface of the cavity to the deep tissue of the cavity. The use of a single-element ultrasound transducer reduces the size of the cable and improves clinical tolerance. The hollow motor drives the ultrasonic imaging device to support the middle wiring of the device, so that other imaging components can be assembled at the front end of the device, signal lines of the imaging components can pass through the middle of the device, the imaging performance of the device is expanded, and the imaging of the original ultrasonic transducer cannot be shielded. The ultrasonic optical dual-mode imaging device provided by the utility model adopts the non-contact electromagnetic coupler to support data transmission between the rotating ultrasonic transducer and the external cable thereof, and can realize ultrasonic imaging with high rotating speed and high frame frequency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an ultrasound-optical dual-mode imaging device according to the present invention.

Fig. 2 is a schematic structural diagram of an ultrasound-optical dual-mode imaging apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the rotation drive of the present invention.

Fig. 4 is a schematic diagram of ultrasound data transmission according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of another embodiment of the ultrasound-optical dual-mode imaging apparatus according to the present invention.

FIG. 6 is a schematic structural diagram of an ultrasound-optical dual-mode imaging device according to still another embodiment of the present invention

Fig. 7 is a schematic diagram of the operation of the ultrasonic-optical dual-mode imaging device in a human body cavity.

FIG. 8 is a block flow diagram of an imaging method according to an embodiment of the utility model.

FIG. 9 is a schematic diagram of a detection system according to an embodiment of the present invention.

Reference numerals:

1-an ultrasound transducer; 2-central axis; 21-a central hole; 3, rotation driving; 31-first rotational drive; 32-a second rotational drive; 311-a first rotation output; 321-a second rotation output; 33-a rotational input; 34-a containing cavity; 35-a second rotor; 36-a second stator; 361-a second stator body; 362-rotation drive housing; 37-a bearing; 41-a first wire assembly; 42-a third wire assembly; 43-a second wire assembly; 5-a rotary communication device; 51-a first rotor; 52-a first stator; 6-a camera module; 7-a housing; 71-a light-transmitting portion; 72-a sound-transmissive portion; 8-a cable; 9-a housing; 101-an ultrasonic-optical dual-mode imaging device; 102-an image generation system; 103-a display; 104-a regulatory unit; a-human body cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model relates to an ultrasonic-optical dual-mode imaging device, which is applied to the medical field for observing the pathological changes in the human body. In order to acquire a complete human body cavity A ultrasonic image, the utility model needs to have a rotation imaging function. The utility model provides an ultrasonic-optical dual-mode imaging device which comprises an ultrasonic transducer 1 and a central shaft 2, wherein the ultrasonic transducer 2 is sleeved on the central shaft 2, and the ultrasonic transducer 1 can rotate along with the central shaft 2 to obtain a complete human body cavity A ultrasonic image.

Specifically, in order to realize the rotational imaging function of the ultrasonic transducer 1, as shown in fig. 1 of the specification, the ultrasonic-optical dual-mode imaging apparatus of the present embodiment further includes a rotation driver 3, the rotation driver 3 is provided with an accommodating cavity 34, and the central shaft 2 is disposed in the accommodating cavity 34. The rotation driver 3 is used for driving the ultrasonic transducer 1 and the central shaft 2 to rotate, so that the ultrasonic transducer 1 performs annular scanning on the body cavity A.

The rotation drive 3 of this embodiment is a hollow motor, and the hollow motor is sleeved on the central shaft 2. Further, when the number of the hollow motors is two or more, the hollow motors are coaxially sleeved on the central shaft 2, so that the ultrasonic transducer 1 is more stable in rotation and cannot shake or deviate. Still alternatively, the present embodiment may be provided with a plurality of offset rotation drivers 3, each of the plurality of rotation drivers 3 is provided with a rotation output portion, the ultrasound-optical dual-mode imaging apparatus of the present embodiment is further provided with a rotation input portion 33, the rotation input portion 33 is in transmission connection with the ultrasound transducer 1, and the rotation output portion is in transmission connection with the rotation input portion 33. In order to make the ultrasonic transducer 1 rotate stably and have a small volume, so that the imaging device can be inserted into the body cavity a without difficulty, it is preferable that the present embodiment uses two rotation drivers 3 to stably implement the rotation function of the ultrasonic transducer 1, as shown in fig. 2 of the specification. Specifically, the first rotation driver 31 is provided with a first rotation output portion 311, the first rotation driver 32 is provided with a second rotation output portion 321, and the first rotation output portion 311 and the second rotation output portion 321 are respectively rotatably connected with the rotation input portion 33. The rotation axes of the first rotation output portion 311 and the second rotation output portion 321 are not coaxial with the rotation axis of the rotation input portion 33.

Specifically, as shown in fig. 3 of the specification, the rotation drive 3 of the embodiment includes a second rotor 35, a second stator 36 and a bearing 37, the second rotor 36 is connected to the second stator 35 through the bearing 37, the second rotor 35 is fixedly connected to the central shaft 2, the second stator 36 drives the second rotor 35 to rotate through the electromagnetic induction principle, and further drives the central shaft 2 to rotate, and the second stator 36 does not rotate. Further, the second stator 36 includes a second stator body 361 and a rotary drive housing 362, the second stator body 361 is disposed inside the rotary drive housing 362, and a bearing is nested between the second rotor 35 and the rotary drive housing 362. The rotation drive 3 of this embodiment simple structure can effectively reduce image device's size to rotation drive 3 directly drives the rotation of center pin 2, and efficiency is higher.

The prior art generally adopts an array ultrasonic transducer to obtain an ultrasonic image, the front end part of the array ultrasonic transducer is hard, probe signal channels are more, the outer diameter of an endoscope catheter is thick, the bending degree is small, the endoscope catheter is not easy to insert into a human cavity channel A, and a patient is painful when inserting the endoscope catheter. In the embodiment, the ultrasonic transducer 1 with fewer signal channels is adopted, and meanwhile, a more slender cable is selected for signal and power transmission between the ultrasonic transducer 1 and the image generation system, so that the ultrasonic transducer 1 can conveniently enter the body cavity A, and the discomfort of a patient is reduced. Preferably, the ultrasonic transducer 1 of the present embodiment is a single-element ultrasonic transducer.

The ultrasonic information scanned by the ultrasonic transducer 1 and the current for driving the ultrasonic transducer 1 need to be conducted through the first wire assembly 41, the first wire assembly 41 includes an ultrasonic signal line for transmitting an ultrasonic signal and/or a power line for transmitting current, and one end of the first wire assembly 41 is connected to the ultrasonic transducer 1. When the ultrasonic transducer 1 rotates on the central shaft 2, the first wire assembly 41 is easily twisted, which causes damage to the first wire assembly 41 during rotation and prevents the ultrasonic transducer 1 from rotating. In the prior art, a motor is also adopted to drive the transducer to rotate to collect tissue signals, but the rotation mode of the transducer can only continuously change the direction to avoid the twisting of the cable due to the limitation of the cable of the transducer, so that the stability of imaging cannot be ensured, and high-frame-frequency imaging cannot be realized. In order to ensure that the current or the signal can be normally transmitted to the image generating system, the central shaft 2 is sleeved with a rotation communication device 5, the rotation communication device 5 comprises a first rotor 51 and a first stator 52, and the first rotor 51 and the first stator 52 are electromagnetically coupled for signal transmission. The first rotor 51 and the first stator 52 of the rotary communication device are electromagnetically coupled to transmit signals, and the signals can be transmitted when the first rotor 51 rotates or does not rotate.

As shown in fig. 4, the other end of the first lead assembly 41 is connected to the first rotor 51, the third lead assembly 42 is connected to the first stator 52, and the third lead assembly 42 is connected to the image forming system.

The rotary communicating device 5 of the embodiment selects the non-contact electromagnetic coupler to support data transmission of the rotary ultrasonic transducer 1, so that ultrasonic imaging with high rotating speed and high frame frequency is realized, the acquisition speed is high, and the motion trail of the target can be captured more effectively.

Further, the central shaft 2 is a hollow structure, the central shaft 2 is provided with a central hole 21, and the third lead assembly 42 passes through the central hole 21 and is connected with the image generation system. The hollow structure design of the central shaft 2 of the present embodiment well accommodates the third wire assembly 42 inside the central shaft 2, so that the present embodiment is also compatible with other imaging assemblies, such as the camera module 6, and the like, thereby forming a multi-modal imaging ultrasound-optical dual-mode imaging device. For example, referring to fig. 1 of the specification, the camera module 6 is disposed at the front end of the capsule device for taking a picture, and the second wire assembly 43 of the camera module 6 passes through the central hole 21 to be connected with the image generation system, so as to avoid the side wiring from blocking the imaging of the ultrasonic transducer 1. The second wire assembly 43 includes an optical signal line and a power line for transmitting an optical signal of the camera module 6 and transmitting power to the camera module 6. In addition, the camera module 6 of this embodiment can also be provided with a wireless transmission module, and the wireless transmission module is used for transmitting optical imaging information, and does not need to use a wire assembly to transmit signals, thereby simplifying the device, saving the cost and avoiding the winding.

Further, the camera module 6 includes a camera module for collecting an optical image and an illumination module for providing sufficient illumination to the camera module.

Specifically, as shown in fig. 1 of the specification, the rotary communication device 5 is located between the camera module 6 and the ultrasonic transducer 1; still alternatively, as shown in fig. 5 in the specification, the rotary communication means 5 is located between the ultrasonic transducer 1 and the rotary drive 3.

As shown in fig. 6 in the specification, for another embodiment, the imaging apparatus may further include a rotary imaging assembly, the rotary imaging assembly includes the ultrasonic transducer 1 and the first rotor 51, and the ultrasonic transducer 1 and the first rotor 51 are assembled into a whole through the housing 9 of the rotary imaging assembly. The ultrasonic transducer 1 is fixed on the shell 9 of the rotary imaging component, the first rotor 51 is electromagnetically coupled with the first stator 52 to realize electrical connection, the rotary drive 3 drives the rotary imaging component to rotate around the central shaft 2, and the central shaft 2 is kept still.

In order that the ultrasonic-optical dual-mode imaging device of this embodiment can smoothly enter the human body cavity a, the ultrasonic-optical dual-mode imaging device of this embodiment further includes a housing 7, and the camera module 6, the rotary communication device 5, the ultrasonic transducer 1, and the central control motor 3 are all located inside the housing 7. To reduce patient discomfort, the housing 7 is a soft material that can be easily swallowed, such as silicone rubber, polyvinyl chloride, thermoelastic plastic, and the like. In application, the housing 8 may be provided in a spherical, oval or other shape that is easy to swallow, depending on the actual requirements.

In a practical application scenario of the ultrasonic-optical dual-mode imaging device in this embodiment, a patient needs to enter the ultrasonic-optical dual-mode imaging device into the body cavity a for image acquisition, and then take out the ultrasonic-optical dual-mode imaging device from the body cavity a. Therefore, the ultrasonic-optical dual-mode imaging device of the embodiment further includes a cable 8, the cable 8 is connected to the housing 7 and extends into the housing 7, and the cable 8 is electrically connected to the camera module 6 and the ultrasonic transducer 1, and is used for moving the ultrasonic-optical dual-mode imaging device out of the body cavity a. Wherein the first wire assembly 41, the third wire assembly 42 and the second wire assembly 43 are arranged inside the cable 8.

Specifically, as shown in fig. 7 in the specification, the front portion and the middle portion of the housing 7 are a light-transmitting portion 71 and a sound-transmitting portion 72 in this order. The position of the camera module 6 corresponds to the light transmission part 71, and the camera module 6 can clearly acquire the optical image of the body cavity A through the light transmission part 71; the position of the ultrasonic transducer 1 corresponds to the sound transmitting portion 72, and the ultrasonic transducer 1 can reflect and receive ultrasonic waves through the sound transmitting portion 82.

As shown in fig. 8 in the specification, this embodiment further provides a specific imaging method of the ultrasound-optical dual-mode imaging apparatus, in which the ultrasound transducer 1 transmits ultrasound waves to the housing 7 and receives ultrasound waves returned by a target object, the hollow motor drives the central shaft 2 to rotate, and further drives the ultrasound transducer 1 to rotate for performing annular scanning, so as to acquire a cross-sectional view of the body lumen a, and the ultrasound transducer 1 transmits the obtained ultrasound scanning data to the image generation system through the first wire assembly 41 and the third wire assembly 42; the camera module 6 acquires optical imaging data and transmits the optical imaging data to the image generation system through the second wire assembly 43. Thus, an optical image and an ultrasonic image of the body lumen a are obtained.

As shown in fig. 9 in the description, this embodiment further provides a detection system, which includes an ultrasound-optical dual-mode imaging device 101, an image generation system 102, a display 103, and a control unit 104, where the display 103 is connected to the image generation system 102, and the control unit 104 is connected to the ultrasound-optical dual-mode imaging device 101; the regulating and controlling unit 104 is used for controlling the camera module 6 and the ultrasonic transducer 1 to image; the image generation system 102 is configured to perform real-time image processing on the optical imaging data and the ultrasound scanning data, and send a processing result to the display 103; the display 103 is used to display the optical image and the ultrasound image.

Therefore, the utility model provides an ultrasonic-optical dual-mode imaging device and a detection system, wherein the ultrasonic-optical dual-mode imaging device comprises an ultrasonic transducer, a central shaft, a rotation drive, a camera module, a cable and a shell, wherein the ultrasonic transducer, the central shaft, the rotation drive and the camera module are positioned in the shell; the shell is connected to the cable, and stretches into inside the shell, cable electric connection module and ultrasonic transducer of making a video recording. The utility model can obtain the optical image of the surface of the human body cavity and the ultrasonic sectional image of the human body cavity, and broadens the scanning range from the surface of the cavity to the deep tissue of the cavity. The use of a single-element ultrasound transducer reduces the size of the cable and improves clinical tolerance. The hollow motor drives the ultrasonic imaging device to support the middle wiring of the device, so that other imaging components can be assembled at the front end of the device, signal lines of the imaging components can pass through the middle of the device, the imaging performance of the device is expanded, and the imaging of the original ultrasonic transducer cannot be shielded. The ultrasonic optical dual-mode imaging device provided by the utility model adopts the non-contact electromagnetic coupler to support data transmission between the rotating ultrasonic transducer and the external cable thereof, and can realize ultrasonic imaging with high rotating speed and high frame frequency.

The above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and various modifications other than the above-mentioned embodiments may be made, and the technical features of the above-mentioned embodiments may be combined with each other, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An ultrasonic-optical dual-mode imaging device is characterized by comprising an ultrasonic transducer, a central shaft, a rotary drive, a camera module, a cable and a shell, wherein the ultrasonic transducer, the central shaft, the rotary drive and the camera module are all positioned in the shell;

the rotary drive is provided with an accommodating cavity, the accommodating cavity penetrates through two ends of the rotary drive, the central shaft penetrates through the accommodating cavity, and the ultrasonic transducer is sleeved on the central shaft, so that the central shaft and the ultrasonic transducer are driven to rotate when the rotary drive rotates;

2. The ultrasonic-optical dual-mode imaging device according to claim 1, further comprising a rotary communication device, said rotary communication device being fitted over said central shaft;

3. The ultrasound-optical dual-mode imaging device according to claim 1, wherein the rotational drive comprises a second rotor and a second stator, the second rotor is connected to the second stator through a bearing, the second rotor is fixedly connected to the central shaft, and the second rotor is configured to drive the central shaft to rotate.

4. The dual-mode ultrasonic-optical imaging device as claimed in claim 2, wherein the rotary communication device is disposed between the camera module and the ultrasonic transducer;

5. The dual-mode ultrasound-optical imaging device as claimed in claim 2, wherein the ultrasound transducer is disposed between the camera module and the rotational communication device.

6. The ultrasonic-optical dual-mode imaging device according to claim 2, wherein said ultrasonic transducer and said first rotor are mounted together to form a rotating imaging assembly, said rotating imaging assembly rotating about said central axis;

7. The ultrasonic-optical dual-mode imaging device according to claim 1, wherein the camera module is provided with a wireless transmission module, and the wireless transmission module is used for transmitting optical imaging information.

8. The dual-mode ultrasound-optical imaging apparatus according to claim 1, wherein the number of said rotational drives is plural, and a plurality of said rotational drives are sleeved on said central shaft.

9. A detection system comprising the ultrasound-optical dual-mode imaging apparatus according to any one of claims 1 to 8, the detection system further comprising an image generation system, a display and a regulation unit, the display being connected to the image generation system, the regulation unit being connected to the ultrasound-optical dual-mode imaging apparatus;

the display is used for displaying the optical image and the ultrasonic image.