CN116327138A - Intravascular imaging catheter and imaging system - Google Patents

Intravascular imaging catheter and imaging system Download PDF

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Publication number
CN116327138A
CN116327138A CN202310095932.8A CN202310095932A CN116327138A CN 116327138 A CN116327138 A CN 116327138A CN 202310095932 A CN202310095932 A CN 202310095932A CN 116327138 A CN116327138 A CN 116327138A
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optical
catheter
imaging catheter
imaging
lens
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CN202310095932.8A
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谢军
何家乐
朱瑾
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Shanghai Sieran Medical Technology Co ltd
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Shanghai Sieran Medical Technology Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
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  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physiology (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Endoscopes (AREA)

Abstract

The invention provides an intravascular imaging catheter and an imaging system. The imaging catheter includes: a drive shaft, an optical integration component, and a light exit window; the optical signal enters the optical fiber in the driving shaft from the proximal end of the catheter wall, and enters the optical integrated component through a gap of about 0-2mm after being emitted from the optical fiber; the driving shaft is used for driving the optical signal to rotate so as to change the propagation path of the optical signal in the optical fiber; after entering the optical integration component, the optical signal sequentially passes through the transmission of the first lens and the reflection of the second lens of the optical integration component, and the optical signal is emitted from the light emitting window; the light signal is reflected and scattered by the vessel wall after exiting the light exit window, and the imaging catheter is configured to receive the reflected and scattered light signal to generate an image based on the reflected and scattered light signal. The optical integrated component replaces the optical component combination made of glass materials in the imaging catheter, so that the volume of the imaging catheter can be reduced, the assembly difficulty of the imaging catheter is reduced, and the cost of the imaging catheter is saved.

Description

Intravascular imaging catheter and imaging system
Technical Field
The invention relates to the technical field of medical instruments, in particular to an imaging catheter and an imaging system.
Background
In the existing imaging catheter, a plurality of optical components (such as a green lens and a reflecting prism) made of glass materials are required to be sequentially arranged, and optical signals in the imaging catheter can be transmitted and reflected through the optical components and finally emitted out of the imaging catheter to be reflected and scattered by the vascular wall of a human body. However, the combination of glass optical components has the disadvantages of large volume, high equipment difficulty and high cost.
Disclosure of Invention
Therefore, the invention aims to provide an imaging catheter and an imaging system, wherein the optical integrated component is used for replacing the optical component combination of glass materials in the imaging catheter, so that the volume of the imaging catheter can be reduced, the assembly difficulty of the imaging catheter is reduced, and the cost of the imaging catheter is saved.
In a first aspect, embodiments of the present invention provide an intravascular imaging catheter, the imaging catheter comprising: a drive shaft, an optical integration component, and a light exit window; the driving shaft is arranged in the inner cavity of the imaging catheter, the optical fiber is arranged in the inner cavity of the driving shaft, the optical integrated component is arranged at the far end of the catheter wall of the imaging catheter, and an opening is formed in the side face of the far end of the catheter wall and used as a light outlet window; the drive shaft extends from the proximal end of the catheter wall to the distal end of the catheter wall, the optical signal enters the optical fiber in the drive shaft from the proximal end of the catheter wall, the optical signal propagates in the optical fiber, and the optical signal enters the optical integrated component through a gap of about 0-2mm after being emitted from the optical fiber; the driving shaft is used for driving the optical signal to rotate so as to change the propagation path of the optical signal in the optical fiber; the optical integration component comprises a first lens and a second lens, and the optical signal is transmitted by the first lens and reflected by the second lens after entering the optical integration component, and the optical signal is emitted from the light emitting window; the light signal is reflected and scattered by the vessel wall after exiting the light exit window, and the imaging catheter is configured to receive the reflected and scattered light signal to generate an image based on the reflected and scattered light signal.
In an alternative embodiment of the present application, the proximal end of the catheter wall is provided with a proximal connector, which is connected to a connector of an external rotary connector; the joint of the rotary connector is used to provide torque for rotation of the drive shaft.
In an alternative embodiment of the present application, the rotary connector is coupled to an external integrated catheter system engine; the integrated catheter system engine is configured to emit an optical signal and generate an image based on the reflected and scattered optical signal.
In an alternative embodiment of the present application, the catheter wall is a hollow braided tubular structure made of a polymer material, and the driving shaft is a spring tube of a hollow torque transmission structure.
In an alternative embodiment of the present application, the imaging catheter further includes: a sleeve; the sleeve is arranged at the periphery of the optical integrated component and is used for protecting the light transmission of the optical integrated component from external influence.
In an alternative embodiment of the present application, the sleeve is made of a transparent material, and the transparent material includes quartz and a polymer tube.
In an alternative embodiment of the present application, the imaging catheter further includes: a developing ring; the developing ring is arranged at the distal end of the imaging catheter wall and is used for positioning the imaging catheter in the human body.
In an alternative embodiment of the present application, the optical integrated component is made of an optical plastic material, where the optical plastic material includes polymethyl methacrylate.
In an alternative embodiment of the present application, the curvature of the first lens and the curvature of the second lens, and the inclination angle of the contact surface between the second lens and the optical integrated component are set based on the use requirement of the user.
In a second aspect, an embodiment of the present invention further provides an imaging system, including: an integrated catheter system engine, a swivel connector and the imaging catheter described above; the integrated catheter system engine, the rotary connector and the imaging catheter are connected in sequence.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides an imaging catheter and an imaging system, wherein the imaging catheter comprises: the optical signal enters the optical fiber in the driving shaft from the proximal end of the catheter wall, propagates in the optical fiber, and enters the optical integration part through a gap of about 0-2mm after being emitted from the optical fiber; the optical signal enters the optical integration component and then sequentially passes through the transmission of the first lens and the reflection of the second lens, and the optical signal is emitted from the light emitting window; the light signal is reflected and scattered by the vessel wall after exiting the light exit window, and the imaging catheter is configured to receive the reflected and scattered light signal to generate an image based on the reflected and scattered light signal. The optical integrated component replaces the optical component combination made of glass materials in the imaging catheter, so that the volume of the imaging catheter can be reduced, the assembly difficulty of the imaging catheter is reduced, and the cost of the imaging catheter is saved.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part will be obvious from the description, or may be learned by practice of the techniques of the disclosure.
The foregoing objects, features and advantages of the disclosure will be more readily apparent from the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an imaging catheter according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an imaging catheter and imaging system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an optical fiber disposed on a driving shaft according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of a prior art combination of optical components within an imaging catheter according to an embodiment of the present invention;
FIG. 5 is a schematic illustration of an optical integration component within an imaging catheter according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an optical integrated component according to an embodiment of the present invention;
FIG. 7 is a schematic view of a portion of an imaging catheter according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an imaging system according to an embodiment of the present invention.
Icon: 1-an imaging catheter; 2-driving shaft; 3-optical fiber; 4-proximal joint; a 5-turn connector; 6-an integrated catheter system engine; 7-linker; 8-vessel walls; 9-an optical integrated component; 10-a light-emitting window; 11-a sleeve; 12-a developing ring; 100-imaging system.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
At present, a plurality of optical components (such as a green lens and a reflecting prism) made of glass materials are required to be sequentially arranged in the existing imaging catheter, and optical signals in the imaging catheter can be transmitted and reflected through the plurality of optical components and finally emitted out of the imaging catheter to be reflected and scattered by the vascular wall of a human body. However, the combination of glass optical components has the disadvantages of large volume, high equipment difficulty and high cost.
Based on the above, according to the imaging catheter and the imaging system provided by the embodiment of the invention, the optical integrated component is used for replacing the optical component combination of glass materials in the imaging catheter, so that the volume of the imaging catheter can be reduced, the assembly difficulty of the imaging catheter is reduced, and the cost of the imaging catheter is saved.
For ease of understanding the present embodiment, a detailed description of an imaging catheter is first disclosed.
Embodiment one:
an embodiment of the present invention provides an imaging catheter, referring to a schematic structural diagram of an imaging catheter shown in fig. 1, the imaging catheter 1 includes: a drive shaft 2, an optical integration member 9, and a light-emitting window 10; the drive shaft 2 is arranged in the inner cavity of the imaging catheter 1, the inner cavity of the drive shaft 2 is provided with an optical fiber, the optical integration part 9 is arranged at the distal end of the catheter wall 8 of the imaging catheter 1, and the side surface of the distal end of the catheter wall 8 is provided with an opening serving as a light-emitting window 10.
The drive shaft extends from the proximal end of the catheter wall to the distal end of the catheter wall, the optical signal enters the optical fiber in the drive shaft from the proximal end of the catheter wall, the optical signal propagates in the optical fiber, and the optical signal enters the optical integrated component through a gap of about 0-2mm after being emitted from the optical fiber; the driving shaft is used for driving the optical signal to rotate so as to change the propagation path of the optical signal in the optical fiber;
the optical integration component comprises a first lens and a second lens, and the optical signal is transmitted by the first lens and reflected by the second lens after entering the optical integration component, and the optical signal is emitted from the light emitting window;
the light signal is reflected and scattered by the vessel wall after exiting the light exit window, and the imaging catheter is configured to receive the reflected and scattered light signal to generate an image based on the reflected and scattered light signal.
In this embodiment, the optical signal may be emitted from an external device, and the optical signal is emitted from the proximal end of the catheter wall (i.e., the left side in fig. 1) into the imaging catheter, and since the driving shaft extends from the proximal end of the catheter wall to the distal end of the catheter wall, the optical signal may propagate in an optical fiber disposed in the driving shaft (i.e., the optical signal propagates from the left side to the right side in fig. 1). Wherein, the driving shaft in this embodiment is rotatable, the pipeline can rotate along with the rotation of the driving shaft, and the propagation path of the optical signal in the optical fiber is also changed.
After exiting the optical fiber, the optical signal may enter an optical integration component in the imaging catheter, the optical integration component including a first lens and a second lens. Thus, the optical signal may be sequentially transmitted by the first lens, reflected by the second lens, and finally emitted out of the imaging catheter from the light exit window.
After the optical signal is emitted out of the imaging catheter from the light emitting window, the optical signal can be reflected and scattered by the vascular wall of a human body, and the reflected and scattered light can be collected by the imaging catheter, so that intravascular optical coherence tomography is completed, and an image is generated.
An embodiment of the present invention provides an imaging catheter, the imaging catheter including: the optical signal enters the optical fiber in the driving shaft from the proximal end of the catheter wall, propagates in the optical fiber, and enters the optical integration part through a gap of about 0-2mm after being emitted from the optical fiber; the optical signal enters the optical integration component and then sequentially passes through the transmission of the first lens and the reflection of the second lens, and the optical signal is emitted from the light emitting window; the light signal is reflected and scattered by the vessel wall after exiting the light exit window, and the imaging catheter is configured to receive the reflected and scattered light signal to generate an image based on the reflected and scattered light signal. The optical integrated component replaces the optical component combination made of glass materials in the imaging catheter, so that the volume of the imaging catheter can be reduced, the assembly difficulty of the imaging catheter is reduced, and the cost of the imaging catheter is saved.
Embodiment two:
an embodiment of the present invention provides another imaging catheter, referring to a schematic structural diagram of an imaging catheter and an imaging system shown in fig. 2, the imaging catheter 1 further includes: a proximal end connector 4, a sleeve 11 and a developing ring 12.
As shown in fig. 2, the imaging catheter in this embodiment may be an elongated catheter, where the left and right ends of the catheter are a proximal end of the catheter wall (may also be referred to as a proximal catheter end) and a distal end of the catheter wall (may also be referred to as a distal catheter end), the lumen of the catheter is provided with a driving shaft extending from the proximal catheter end to the distal catheter end, and an optical fiber is provided on the driving shaft.
Referring to a schematic view of an optical fiber disposed on a driving shaft shown in fig. 3, the optical fiber 3 may be rotated by rotating the driving shaft at the proximal end of the catheter, an external device may emit light as an optical signal to an imaging catheter, and the imaging catheter may collect optical signals reflected and scattered by the wall of the blood vessel, thereby completing intravascular optical coherence tomography.
As shown in fig. 2, the proximal end of the catheter wall 8 in this embodiment is provided with a proximal joint 4, the proximal joint 4 being connected with a joint 7 of an external rotary connector 5; the joint of the rotary connector 5 is used 7 to provide torque for the rotation of the drive shaft 2.
Furthermore, the rotary connector 5 is connected to an external integrated catheter system engine 6; the integrated catheter system engine 6 is configured to emit light signals and to generate images based on the reflected and scattered light signals.
The catheter proximal end is connected through a proximal joint to a rotating connector, which can be understood as a relay device, which is connected to an integrated catheter system engine for providing the energy required for imaging and processing the optical signals. The rotary connector is provided with a joint matched with the proximal joint, and the joint of the rotary connector is used for providing torque required by the driving shaft.
In addition, the catheter wall in the embodiment adopts a hollow braided tubular structure formed by high polymer materials, and the side surface of the distal end of the catheter wall is provided with a light-emitting window, so that light signals can be emitted from the light-emitting window, and light signals reflected and scattered by the blood vessel wall can be received from the light-emitting window, thereby completing coherent light tomography.
As shown in fig. 3, the driving shaft in this embodiment is a hollow spring tube with a torque transmission structure, so that the inner cavity of the driving shaft is convenient for the optical fiber to pass through. The optical signal output by the optical fiber is emitted from the light-emitting window after passing through the optical integrated component.
Referring to the schematic of a combination of optical components within a prior art imaging catheter shown in fig. 4 and the schematic of an optical integrated component within an imaging catheter of fig. 5, fig. 4 shows a prior art imaging catheter and an optical path diagram of a prior art imaging catheter, and fig. 5 shows an imaging catheter provided by the present embodiment and an optical path diagram of an imaging catheter provided by the present embodiment.
As shown in fig. 4 and 5, the endoscopic probe optical portion of the prior art imaging catheter may be implemented using a green lens and a reflective prism. The imaging catheter provided in this embodiment adopts an optical integrated component, and can replace the functions of a green lens and a reflecting prism, wherein the optical integrated component adopts an optical plastic material, and the optical plastic material comprises polymethyl methacrylate (Polymethyl Methacrylate, PMAA) and the like.
Compared with the imaging catheter of the prior art, the imaging catheter provided by the embodiment has the following advantages: 1. the complete replacement of functions is realized; 2. the integrated component is used for replacing two optical component combinations, so that the assembly difficulty is reduced; 3. the volume can be made smaller; 4. the combination of optical plastic optical integrated components instead of glass optical elements has obvious cost advantages.
In addition, parameters in the optical integrated component of the present embodiment are adjustable, referring to a schematic diagram of an optical integrated component shown in fig. 6, a curvature of the first lens and a curvature of the second lens, and an inclination angle of a contact surface between the second lens and the optical integrated component is set based on a user requirement of a user.
The present embodiment also provides a partial schematic view of an imaging catheter as shown in fig. 7. As shown in fig. 2 and 7, the imaging catheter 1 of the present embodiment further includes: a sleeve 11; the sleeve 11 is disposed at the periphery of the optical integrated component 9, and the sleeve 11 is used to protect the light transmission of the optical integrated component 9 from the outside. The sleeve 11 may be made of a transparent material including quartz and a polymer tube.
As shown in fig. 2 and 7, the imaging catheter of the present embodiment further includes: a developing ring 12; a visualization ring 12 is arranged at the distal end of the imaging catheter wall 8, the visualization ring 12 being used for positioning the imaging catheter 1 in the human body.
In summary, the imaging catheter provided by the embodiment of the invention can replace the optical component combination of glass materials in the imaging catheter by the optical integrated component, so that the volume of the imaging catheter can be reduced, the assembly difficulty of the imaging catheter is reduced, and the cost of the imaging catheter is saved.
Embodiment III:
an embodiment of the present invention provides an imaging system, referring to a schematic structural diagram of an imaging system shown in fig. 8, the imaging system 100 includes: an integrated catheter system engine 6, a rotary connector 5 and the imaging catheter 1 provided by the above embodiments; the integrated catheter system engine 6, the rotary connector 5 and the imaging catheter 1 are connected in sequence.
The imaging system provided by the embodiment of the invention has the same technical characteristics as the imaging catheter provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working procedures of the system and apparatus described above may refer to the corresponding procedures in the foregoing embodiments, which are not repeated here.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood by those skilled in the art in specific cases.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention for illustrating the technical solution of the present invention, but not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present invention is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (10)

1. An intravascular imaging catheter, the imaging catheter comprising: a drive shaft, an optical integration component, and a light exit window; the driving shaft is arranged in the inner cavity of the imaging catheter, an optical fiber is arranged in the inner cavity of the driving shaft, the optical integrated component is arranged at the far end of the catheter wall of the catheter, and an opening is formed in the side face of the far end of the catheter wall and used as the light emitting window;
the drive shaft extends from the proximal end of the catheter wall to the distal end of the catheter wall, an optical signal enters an optical fiber in the drive shaft from the proximal end of the catheter wall, the optical signal propagates in the optical fiber, and the optical signal enters the optical integrated component through a gap after being emitted from the optical fiber; wherein the drive shaft is used for driving the optical signal to rotate so as to change the propagation path of the optical signal in the optical fiber;
the optical integration component comprises a first lens and a second lens, the optical signal enters the optical integration component and then sequentially passes through the transmission of the first lens and the reflection of the second lens, and the optical signal is emitted out of the light emitting window;
the light signal is reflected and scattered by the vessel wall after exiting the light exit window, and the imaging catheter is configured to receive the reflected and scattered light signal to generate an image based on the reflected and scattered light signal.
2. The intravascular imaging catheter according to claim 1 wherein a proximal end of said catheter wall is provided with a proximal connector, said proximal connector being connected to a connector of an external rotational connector; the joint of the rotary connector is used for providing torque for the rotation of the drive shaft.
3. The intravascular imaging catheter according to claim 2 wherein said rotary connector is coupled to an external integrated catheter system engine; the integrated catheter system engine is configured to emit the light signal and generate the image based on the reflected and scattered light signal.
4. The intravascular imaging catheter according to claim 1 wherein said catheter wall comprises a hollow braided tubular structure of polymeric material and said drive shaft comprises a spring tube of hollow torque transmitting structure.
5. The intravascular imaging catheter according to claim 1, wherein said imaging catheter further comprises: a sleeve; the sleeve is arranged at the periphery of the optical integrated component and is used for protecting the light transmission of the optical integrated component from external influence.
6. The intravascular imaging catheter according to claim 5 wherein said sleeve comprises a transparent material comprising quartz or a polymer tube.
7. The intravascular imaging catheter according to claim 1, wherein said imaging catheter further comprises: a developing ring; the developing ring is arranged at the far end of the catheter wall and is used for positioning the imaging catheter in the human body.
8. The intravascular imaging catheter according to claim 1 wherein said optical integration component is comprised of an optical plastic material comprising polymethyl methacrylate.
9. The intravascular imaging catheter according to claim 1 wherein the curvature of said first lens and the curvature of said second lens and the angle of inclination of the contact surface of said second lens with said optical integration component are set based on the user's needs.
10. An imaging system, the imaging system comprising: an integrated catheter system engine, rotary connector and imaging catheter of any of claims 1-9; the integrated catheter system engine, the rotary connector and the imaging catheter are connected in sequence.
CN202310095932.8A 2023-02-07 2023-02-07 Intravascular imaging catheter and imaging system Pending CN116327138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310095932.8A CN116327138A (en) 2023-02-07 2023-02-07 Intravascular imaging catheter and imaging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310095932.8A CN116327138A (en) 2023-02-07 2023-02-07 Intravascular imaging catheter and imaging system

Publications (1)

Publication Number Publication Date
CN116327138A true CN116327138A (en) 2023-06-27

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