CN113273954A

CN113273954A - Visual intervention device for arterial vessel intervention treatment

Info

Publication number: CN113273954A
Application number: CN202110417820.0A
Authority: CN
Inventors: 赵清振; 刘琳; 王正春; 宰俊杰; 李兴广; 沈利锋; 桂煜
Original assignee: Affiliated Hospital of Medical School of Ningbo University
Current assignee: Affiliated Hospital of Medical School of Ningbo University
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-08-20

Abstract

The embodiment of the invention discloses a visual intervention device for artery vascular intervention treatment. The visual intervention device comprises: the blood vessel probe is internally provided with a passing channel; the transmission optical fiber can pass through the passing channel; the imaging part is connected to the first end of the imaging optical fiber and can pass through the passing channel along with the imaging optical fiber; and the image receiver is connected to the second end opposite to the imaging optical fiber. The operation position or the lesion position of the artery vessel can be quickly determined, and the health of medical staff and patients is not damaged.

Description

Visual intervention device for arterial vessel intervention treatment

Technical Field

The invention relates to the technical field of medical instruments, in particular to a visual intervention device for arterial vessel intervention treatment.

Background

Ischemic encephalopathy and ischemic heart disease are the first killers which cause disability and seriously threaten human health, are hot spots of research of medical scientists all over the world, and make great progress. The imaging equipment is continuously iterated, the contrast agent is continuously updated, the operation mode is continuously improved, and artificial intelligence plays an important role in the treatment of the patients. Even so, cardiovascular and cerebrovascular diseases still have the first place to endanger human health. It is well known that time is a major determinant of the quality of treatment for such patients. If the diseased part can be treated in the disease scene or can be found under direct vision in a hospital, the blood vessel shape and the diseased part can not be displayed by medical imaging equipment such as X-ray fluoroscopy, CT positioning, ultrasound and the like and contrast agents; can not save the time for imaging the blood vessel by imaging equipment and radiography so as to find the lesion position in the blood vessel for corresponding treatment?

The guided imaging technology of X-ray, B-ultrasonic or CT has ionizing radiation damage to human body. Some require that the contrast agent be pumped into the patient's blood vessels continuously during the procedure and that the contrast can only be achieved in the presence of radiation. This approach therefore has a very large impact on the physical health of the patient and the associated personnel.

Most of the existing image interventional therapies need large-scale equipment, and in the interventional treatment operation process of arterial blood vessels, it is very difficult to find a lesion position or determine an operation position in the arterial blood vessels in a contrast mode, which is very dependent on the operation experience of an attending doctor, and in addition, radiation damages patients and medical related personnel.

Disclosure of Invention

Therefore, the embodiment of the invention provides a visual intervention device for arterial vessel intervention, which is used for the visual intervention of arterial vessels, can quickly determine the operation position or lesion position of the arterial vessels, and does not damage the health of medical staff and patients.

The embodiment of the invention provides an image acquisition device used in a blood vessel, which comprises: the blood vessel probe is internally provided with a passing channel; the transmission optical fiber can pass through the passing channel; the imaging part is connected to the first end of the imaging optical fiber and can pass through the passing channel along with the imaging optical fiber; the image receiver is connected to the second end opposite to the imaging optical fiber; the imaging part generates an image, and the transmission optical fiber transmits the image and is received by the image receiver.

In one embodiment of the invention, the visual intervention device further comprises: one end of the incision catheter is provided with an incision needle tube, and a hollow conduction channel is arranged in the incision catheter.

In one embodiment of the invention, the transmission fiber comprises: an image-guiding optical fiber; the light guide optical fiber is connected to one side of the image guide optical fiber; and the first light shielding layer is clamped between the image guide optical fiber and the light guide optical fiber.

In one embodiment of the invention, the image-guiding fiber is an anderson local area fiber. The transmission fiber further includes: and the hydrophilic coating is arranged outside the image guide optical fiber and the light guide optical fiber.

In one embodiment of the invention, the light source is an infrared light generator, and the imaging part covers and is connected with the image guide optical fiber.

In one embodiment of the invention, the image guide fiber is an anderson local area fiber; the imaging part is a convex mirror.

In one embodiment of the present invention, the image receiver is a CCD camera or a CMOS camera.

In one embodiment of the invention, the visual intervention device further comprises: and the light source is arranged at the second end and connected with the light guide optical fiber.

In one embodiment of the invention, the light source is an infrared light generator.

In one embodiment of the invention, the visual intervention device further comprises: the controller is in signal connection with the image receiver; the display is in signal connection with the controller; the controller controls the image receiver to send the image to the controller, and the controller controls the display to display the image.

In summary, at least one of the above embodiments of the present invention may have one or more of the following advantages or benefits: i) the imaging part can generate an image, the image is transmitted through the transmission optical fiber, the image is received through the image receiver, so that the image in the artery blood vessel can be obtained, and finally the blood vessel probe is sleeved outside the transmission optical fiber so as to be sent to the position determined by the transmission optical fiber; ii) an incision catheter capable of delivering a delivery fiber and a vascular probe at a vascular incision; iii) the hydrophilic coating can make the transmission optical fiber smoothly pass through the blood vessel without influencing the flow of blood; iv) the generation of images in blood vessels, the transmission of images and the acquisition of the images can be realized by adopting devices such as an Anderson local area optical fiber, a convex lens, a CCD camera or a CMOS camera and the like; v) introducing the light source, and conducting visible light into the blood vessel through the light guide optical fiber, so that the imaging part can better image; vi) the controller can realize the control and the receipt image to image receiver, can also control the display simultaneously and show this image, makes things convenient for medical personnel to observe the condition in the artery blood vessel, avoids wearing transmission fiber to mistake the blood vessel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention, 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 diagram illustrating a fitting relationship between a transmission fiber 20 and a blood vessel probe 80 in a visual intervention device 100 according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the connection structure of the transmission fiber 20, the image receiver 50 and the light source 40 in fig. 1.

Fig. 3 is a schematic view of the structure of the incision catheter 90 in the visualization interventional device 100.

Fig. 4 is a schematic cross-sectional view of the transmission fiber 20 of fig. 1.

Fig. 5 is a schematic cross-sectional view of another embodiment of the transmission fiber 20 of fig. 1.

Fig. 6 is a schematic view of a connection structure between the imaging section 10 and the transmission fiber 20 in fig. 1.

Fig. 7 is a schematic structural view of fig. 2 in which the end surface of the image guide fiber 21 is an inclined surface.

Fig. 8 is a schematic diagram illustrating the connection between the light source 40, the image receiver 50, and the display 60 in fig. 2 and the controller 30.

Fig. 9 is a schematic diagram of the transmission fiber 20 and the vascular probe 80 of fig. 1 passing through a blood vessel 70.

Description of the main element symbols:

100 is a visual interventional device; 10 is an imaging part; 20 is a transmission optical fiber; 21 is an image guide optical fiber; 22 is a light guide fiber; 23 is a first light-shielding layer; 24 is a second light-shielding layer; 30 is a controller; 31 is a control line; 32 is a data line; 40 is a light source; 50 is an image receiver; 80 is a vascular probe; 81 is a through channel; 90 is an incision catheter; 91 is a cut needle tube; 92 is a conduction channel; 93 is a funnel structure; and 94 is a negative pressure member.

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.

In the current interventional treatment of arterial blood vessels, for example, arterial blood vessels such as internal carotid artery, cardiac atrial artery, cerebral blood vessel, artery of organs such as liver and kidney, upper and lower limb artery, etc., it is often necessary to identify the position of embolism, stenosis, dissection, aneurysm in the arterial blood vessel, or to identify the operation position in the arterial blood vessel when performing an operation on organs.

Each of the above-described procedures involves determining a target location in an arterial vessel and then performing a corresponding procedure at the target location. At present, the image of the artery vessel is obtained in an angiography mode, and a target position is found on the image; then, the artery blood vessel is continuously imaged, and simultaneously, a corresponding guide wire is inserted into the artery blood vessel, and the guide wire is passed to the target position point by point. The process is very dependent on the personal experience of medical personnel, and the guide wire can be easily threaded through the blood vessel, so that the operation accuracy is low, and the operation time is long.

Based on the reasons, the invention provides the visual intervention device for the artery vessel intervention treatment, which can acquire the images in the artery vessel, so that the target position can be conveniently determined in the artery vessel, and the accuracy and the efficiency of the operation are improved.

Referring to fig. 1 and 2, the visual intervention device 100 comprises, for example: a blood vessel probe 80, a transmission fiber 20, an imaging part 10 and an image receiver 50. Wherein, the blood vessel probe 80 is a hollow pipeline, and a passing channel 81 is arranged in the blood vessel probe; a transmission fiber 20 capable of traversing within the traversing channel 81, the transmission fiber 20 having a first end and an opposing second end; the imaging section 10 is connected to the first end of the transmission fiber 20; the image receiver 50 is connected to the second end of the transmission fiber 20.

In one embodiment, for example, the process of determining the location of the target in the cardiac artery may be: an incision may be made at the left carotid artery and then the first end of the transmission fiber 20 is inserted into the left carotid artery from the incision; at this time, the imaging unit 10 at the first end generates an intravascular image; the transmission fiber 20 transmits the image to the image receiver 50, thereby obtaining an intravascular image.

The medical staff controls the transmission optical fiber 20 to pass through the artery vessel according to the image; because can directly acquire the image of artery blood vessel along the direction of walking front end, consequently, medical personnel can be fine hold the direction of walking and the power way of transmission light in artery blood vessel. The operation accuracy and efficiency are improved, and the operation difficulty is reduced.

After passing the first end of the delivery fiber 20 to the target location, the vascular probe 80 is sleeved outside the delivery fiber 20 and the vascular probe 80 is passed along the delivery fiber 20 to the target location. The corresponding medication or medical device, such as a guidewire or stent, is then placed at the target site through the vascular probe 80, thereby completing the procedure. Of course, it is also possible to pass the transmission fiber 20 and the vascular probe 80 simultaneously in the arterial vessel.

After the vascular probe 80 is advanced to the target site, the delivery fiber 20 may be pulled out of the vascular probe 80 to facilitate delivery of the drug or medical device to the target site.

Of course, a delivery channel for delivering a drug or medical device may also be provided on the vascular probe 80. In this way, the procedure can also be visualized by imaging.

Of course, in this embodiment, an incision may also be made at the right carotid artery, the left subclavian artery, or the right subclavian artery.

Compared with the prior art, when the operation is carried out, the guide wire is easy to penetrate into the right subclavian artery from the left carotid artery or the right subclavian artery from the left subclavian artery. Therefore, the visual intervention device 100 can well judge the advancing direction of the transmission optical fiber 20 by displaying the image in the blood vessel, thereby avoiding the problem of wrong penetration.

Referring to fig. 3, in another embodiment of the present invention, the visual intervention device 100 further comprises an incision catheter 90. The incision catheter 90 is provided with a hollow conduction channel 92; wherein both the vascular probe 80 and the delivery fiber 20 may be threaded within the conductive pathway 92.

For example, the incision catheter 90 has an incision needle 91 at one end and a funnel 93 at the opposite end to facilitate penetration of the vascular probe 80 and/or the delivery fiber 20. When the corresponding operation is performed, the incision needle tube 91 of the incision catheter 90 is firstly moved into and out of the incision of the artery, and then the blood vessel probe 80 and/or the transmission optical fiber 20 are passed through the penetration conduction channel 92 of the funnel structure 93 and then passed along the artery.

The incision catheter 90 further includes a negative pressure member 94, for example, and the negative pressure member 94 is connected to the junction of the incision needle tube 91 and the funnel structure 93. The negative pressure member 94 prevents blood from flowing back through the slit needle tube 91.

This way, the passing direction of the blood vessel probe 80 and/or the transmission fiber 20 can be well grasped when entering the artery, and a good guiding function is achieved.

Referring to fig. 2, 4 and 5, in another embodiment of the present invention, the transmission fiber 20 includes, for example, an image guide fiber 21 and a light guide fiber 22 connected to one side of the image guide fiber 21, and a first light shielding layer 23 is further disposed therebetween. Wherein, the image guide fiber 21 is used for guiding images; the light guide fiber 22 is used for transmitting visible light to the first end to assist imaging; the first light shielding layer 23 is used to avoid the interference between the light guide fiber 22 and the image guide fiber 21.

A second light shielding layer 24 may be further disposed outside the image guiding optical fiber 21 and the light guiding optical fiber 22, and the light guiding optical fiber 22 is completely wrapped by the first light shielding layer 23 and the second light shielding layer 24. This ensures the transmission of visible light.

In another embodiment of the present invention, the transmission fiber 20 may further include a hydrophilic coating. The hydrophilic coating is arranged outside the image guide optical fiber 21 and the light guide optical fiber 22; the hydrophilic coating may be the second light-shielding layer 24 described above, and may be provided outside the second light-shielding layer 24. The hydrophilic coating can improve the affinity of the delivery fiber 20 for blood, facilitating the passage of the delivery fiber 20 in a blood vessel.

Of course, the surface of the vascular probe 80 may also be provided with a hydrophilic coating to facilitate its navigation within the blood vessel.

Referring to fig. 6 and 7 in another embodiment of the present invention, the imaging section 10 covers the connecting image guiding fiber 21. Wherein the cross section of the image guide fiber 21 is elliptical, the light guide fiber 22 is disposed on two opposite sides of the image guide fiber 21, and the two cooperate to make the cross section of the transmission fiber 20 circular. The structure can increase the area of the middle image guide fiber 21 as much as possible, so that better imaging effect can be obtained.

In another embodiment, the image guide fiber 21 is disposed at an intermediate position of the light guide fiber 22, and the light guide fiber 22 has a ring-shaped structure. Alternatively, the light guide fiber 22 may be provided in plural and arranged along the outer circumference of the guide fiber.

The light guide fiber 22 is arranged at the periphery of the image guide fiber 21, and can well provide illumination for the imaging part 10 connected to the image guide fiber 21, thereby improving the image quality.

In another embodiment of the present invention, the image-guiding fiber 21 may be selected as an anderson local area fiber, and the imaging portion 10 may be selected as a convex mirror.

In another embodiment of the present invention, the image receiver 50 may be a CCD camera or a CMOS camera, but may also be other image sensors.

In another embodiment of the present invention, the visual intervention device 100 further comprises a light source 40, for example, the light source 40 provides light to the imaging portion 10 at the first end through the transmission fiber 20 to improve the image quality.

In another embodiment of the present invention, the light source 40 is connected to the light-guiding optical fiber 22. The light source 40 may be an infrared light generator such as an infrared laser. The infrared light generator can generate infrared light of different wavelengths for use in arterial blood vessels at different locations. Of course, the light source 40 may also be an LED light source 40, which is likewise capable of generating visible light of different wavelengths.

Referring to fig. 8, in another embodiment of the present invention, the visual intervention device 100 further comprises, for example, a controller 30 and a display. The controller 30 is electrically connected to the light source 40 through a control line 21, and is electrically connected to the image collector 50 through a control line 31 and a data line 32. The controller 30 controls the light source 40 to generate infrared light with a set wavelength, and the controller 30 also controls and acquires the image collected by the image collector 50; the controller 30 is connected to the display 60 through the data line 32 to display the image on the display 60.

Specifically, the controller 30 may be a computer and the display may be a liquid crystal display or a video tube display. The computer controls the infrared generator to generate infrared light with a suitable wavelength, the computer controls the CCD camera to collect an image generated by the imaging part 10 and transmit the image to the computer, and the computer displays the image on the display 60. Of course, the computer can also perform corresponding processing on the image through an image processing algorithm, so that the image is clear and complete and the display effect is good.

Referring to fig. 9, a method of use using an embodiment of the invention is, for example: selecting infrared light with proper wavelength according to the position of the artery 70 to be intervened, controlling an infrared generator to generate infrared light with corresponding wavelength through a computer, and controlling a CCD camera to acquire images generated by the imaging part 10 through the image guide optical fiber 21. The first end of the delivery fiber 20 is then threaded through the funnel 93 of the incision catheter 90 into the conduction channel 92 and through the incision needle 91 into the arterial vessel 70.

At this time, the imaging unit 10 can generate an intravascular image, and the intravascular image is captured by the CCD camera via the imaging fiber 21 and then acquired by the computer, and the computer controls the display to display the image. The health care provider can view the intravascular effects by viewing the display and control the direction and speed of advancement of the delivery fiber 20, control the passage of the delivery fiber 20 within the arterial vessel 70, and ultimately reach the target site within the arterial vessel 70. When the transmission optical fiber 20 passes through the artery vessel 70, the blood vessel probe 80 can be sleeved outside the transmission optical fiber 20 and simultaneously passes through; so that both can reach the target location simultaneously.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A visual intervention device for arterial vessel intervention, comprising:

the blood vessel probe is internally provided with a passing channel;

the transmission optical fiber can pass through the passing channel;

the imaging part is connected to the first end of the imaging optical fiber and can pass through the passing channel along with the imaging optical fiber;

the image receiver is connected to the second end opposite to the imaging optical fiber;

the imaging part generates an image, and the transmission optical fiber transmits the image and is received by the image receiver.

2. The visual intervention device of claim 1, further comprising:

one end of the incision catheter is provided with an incision needle tube, and a hollow conduction channel is arranged in the incision catheter.

3. The visual intervention device of claim 1, wherein the transmission fiber comprises:

an image-guiding optical fiber;

the light guide optical fiber is connected to one side of the image guide optical fiber;

and the first light shielding layer is clamped between the image guide optical fiber and the light guide optical fiber.

4. The visual intervention device of claim 3, wherein the delivery fiber further comprises:

and the hydrophilic coating is arranged outside the image guide optical fiber and the light guide optical fiber.

5. A visual intervention device according to claim 3 wherein the imaging portion overlays the connecting image-conducting fiber.

6. A visual intervention device according to claim 5 wherein the image-guiding fiber is an Anderson local area fiber; the imaging part is a convex mirror.

7. A visual intervention device as claimed in claim 3 wherein the image receptor is a CCD camera or a CMOS camera.

8. The visual intervention device of claim 3, further comprising:

and the light source is arranged at the second end and connected with the light guide optical fiber.

9. A visual intervention device according to claim 8 wherein the light source is an infrared light generator.

10. The visual intervention device of claim 1, further comprising:

the controller is in signal connection with the image receiver;

the display is in signal connection with the controller;

the controller controls the image receiver to send the image to the controller, and the controller controls the display to display the image.