CN221129905U

CN221129905U - Omnibearing intravascular imaging probe assembly

Info

Publication number: CN221129905U
Application number: CN202322245667.5U
Authority: CN
Inventors: 周到; 孙凤; 李红玉; 卞海
Original assignee: Suzhou Nuolaisheng Technology Co ltd
Current assignee: Suzhou Nuolaisheng Technology Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-06-14
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses an omnibearing intravascular imaging probe assembly, which comprises a catheter component, a first probe component, a second probe component and a third probe component; the guide pipe fitting is provided with an installation cavity; the second probe member and the third probe member are each configured as an acoustic transducer probe. The imaging probe assembly can integrate and expand imaging visual field capability, can display images of the cavity tissues such as blood vessels and peripheral tissues thereof in an omnibearing manner, and can provide a reliable auxiliary tool for medical detection process.

Description

Omnibearing intravascular imaging probe assembly

Technical Field

The utility model relates to the technical field of medical probes, in particular to an omnibearing intravascular imaging probe assembly.

Background

The intravascular imaging mainly uses intravascular ultrasonic technology, utilizes an ultrasonic probe arranged at the top end of a cardiac catheter to display the sectional image of a blood vessel in real time, can clearly display the thickness of a vessel wall structure, the size and the shape of a vessel cavity, and the like, accurately measure the diameter and the sectional area of the vessel cavity, can even identify calcification, fibrosis, lipid pool and other lesions, and finds early lesions of the blood vessel which cannot be displayed by coronary angiography.

The existing internal imaging system can usually present a section image of a blood vessel and other cavity tissues surrounding the side surface of an ultrasonic probe catheter during imaging, but cannot present a section image of the blood vessel and other cavity tissues in front of the catheter, and cannot present an image of the surface of the blood vessel wall, when the section image of the blood vessel in front of the catheter needs to be acquired, the catheter is usually required to be driven forwards, and because of narrow intravascular space, the movement of the catheter easily damages the tissues of the blood vessel wall, the actual use effect is poor, the detection and display field of view is limited, and the blood vessel and other cavity tissues and the surrounding tissue images are difficult to be displayed in an omnibearing and reliable way, so that the result of the subsequent medical detection analysis is influenced.

Disclosure of utility model

The utility model aims to solve or at least partially solve the technical problems that in the related art, the practical detection field of view is limited, the movement of a catheter is easy to cause the damage of the vascular wall tissue in a narrow area, and the image information of the lumen tissue is difficult to display in an omnibearing and reliable way.

The utility model provides an omnibearing intravascular imaging probe assembly, comprising:

the catheter piece is suitable for penetrating through the cavity tissue and is provided with an installation cavity;

The first probe piece is fixed in the mounting cavity and comprises a fixedly connected acquisition end and an extension section, and the acquisition end is suitable for acquiring an optical image;

The second probe piece and the third probe piece are arranged at the far end of the mounting cavity, the second probe piece and the third probe piece are respectively sleeved and mounted on the extension section, the second probe piece and the inner wall surface of the mounting cavity are arranged at intervals, the third probe piece and the inner wall surface of the mounting cavity are arranged at intervals, and the third probe piece is arranged at one side of the second probe piece away from the collecting end at intervals; the second probe piece and the third probe piece are configured to be acoustic transducer probes, the second probe piece is used for receiving and transmitting acoustic information of the cavity tissues of which the collection end is far away from the extension section, and the third probe piece is used for receiving and transmitting acoustic information of the cavity tissues of the side wall of the catheter piece.

Optionally, the catheter member includes a catheter body and a light-transmitting region, the light-transmitting region is disposed at a distal end of the catheter member, and the first probe member and the light-transmitting region are disposed at intervals.

Optionally, the light-transmitting area is configured as a ball structure, and the ball structure and the catheter body are integrally formed.

Optionally, the outer diameter of the catheter member is configured to be 8F-10F; and/or

The length of the guide pipe piece is set to be 90cm.

Optionally, the first probe member is configured as a micro optical probe, and a detection field area of the micro optical probe is disposed at the collection end.

Optionally, the second probe member has a phased array transducer comprising a plurality of array elements, any of which are arranged as independent sound sources.

Optionally, the third probe member has a transducer array formed by annularly distributing a plurality of array elements with the axis of the catheter member as a central line, and the transducer array is an annular scanning array; the extension section is of a cylindrical structure, and the scanning surface of the third probe piece is an arc surface surrounding the axis of the extension section.

Optionally, the length direction of the extension section and the axial direction of the catheter member are arranged in a collinear manner.

Optionally, the conduit member is provided as a flexible tube, and the extension section is provided as a flexible cable.

Optionally, a port is arranged on the catheter member, the port is suitable for being connected with an external probe handle, the port is arranged at the proximal end of the catheter member, and the port is communicated with the mounting cavity.

The technical scheme provided by the utility model has the following advantages:

1. the imaging probe assembly provided by the utility model is penetrated through the cavity tissue of the human body through the guide pipe piece under the action of external force so as to jointly convey the first probe piece, the second probe piece and the third probe piece which are integrally arranged into the cavity tissue; collecting optical image information of the cavity tissue through the collecting end of the first probe piece so as to feed back the image field of view of the surface of the blood vessel wall; the second probe piece and the third probe piece are assembled through the extension section, the second probe piece and the third probe piece can be arranged at the far end of the installation cavity in front, in the use process, the second probe piece is used for receiving and transmitting acoustic wave information of cavity tissues of which the acquisition end is far away from the extension section so as to collect the cavity tissue section image information of the front of the catheter piece, the driving displacement of the catheter piece to the front of the cavity tissues is avoided, the damage to the cavity tissues such as the blood vessel wall is reduced, and the acoustic wave information of the cavity tissues of the side wall of the catheter piece is received and transmitted through the third probe piece so as to acquire the section images such as the blood vessel in front of the catheter piece; the imaging probe assembly can integrate and expand imaging visual field capability, can display images of blood vessels and other cavity tissues and peripheral tissues thereof in an omnibearing manner, and provides a reliable auxiliary tool for medical detection process.

2. According to the imaging probe assembly provided by the utility model, the light transmission area is used for providing the optical transmission area when the acquisition end of the first probe piece performs optical acquisition, so that the first probe piece can acquire the optical image information of the cavity tissue conveniently.

3. The imaging probe assembly provided by the utility model provides a spherical transition surface through the ball head structure, so that the catheter member for loading a plurality of probe members can be conveniently penetrated into the cavity tissue of a human body.

4. The imaging probe assembly provided by the utility model has the advantages that the conduit piece is arranged as a flexible conduit body, and the extension section is arranged as a flexible cable. The bending wire arranged outside can be configured, so that the distal end of the catheter member is bent to be adapted to the path of the cavity tissue, and the catheter member and the extension section are deformed in an adapting way, which is beneficial to changing the visual field range of the probe member and meeting the use requirement of the working process.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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 utility model, 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 cross-sectional view of an omnidirectional intravascular imaging probe assembly provided in an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial structure of an omnidirectional intravascular imaging probe assembly provided in an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of a catheter member in an omnidirectional intravascular imaging probe assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a second probe member of the omnidirectional intravascular imaging probe assembly provided in an embodiment of the utility model;

FIG. 5 is a schematic structural view of a third probe member of the omnidirectional intravascular imaging probe assembly provided in an embodiment of the present utility model;

Reference numerals illustrate:

1-a conduit member; 11-port; 12-a light transmission area;

2-a first probe member; 21-an acquisition end; 22-extension;

3-a second probe member;

4-third probe member.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, 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 utility model 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 utility model. 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.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 utility model will be understood in specific cases by those of ordinary skill in the art.

In the following description, the apparatus is used with the side close to the operator as the proximal end and the side far from the operator as the distal end.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Examples

The present embodiment provides an omnidirectional intravascular imaging probe assembly, see fig. 1 and 2, which comprises a catheter member 1, a first probe member 2, a second probe member 3 and a third probe member 4; the catheter member 1 has an installation cavity. In the present exemplary embodiment, the second probe element 3 and the third probe element 4 are each configured as an acoustic transducer probe.

Referring to fig. 1 and 2, the first probe member 2 is secured within the mounting cavity, the first probe member 2 including a fixedly attached acquisition end 21 and an extension 22, the acquisition end 21 being adapted to acquire an optical image; the second probe element 3 and the third probe element 4 are arranged at the distal end of the mounting cavity; the length direction of the extension section 22 and the axial direction of the duct member 1 are arranged in line without external force.

In the present embodiment, the first probe member 2 is configured as a micro-optical probe, and a detection field area of the micro-optical probe is provided at the collection end 21. The micro optical probe converts the collected optical signals into digital signals, the digital signals are input to an image processing host of the peripheral equipment, and the digital signals are processed by the image processing host and then output to a display of the peripheral equipment for display.

Referring to fig. 1, the catheter member 1 includes a catheter body and a light-transmitting region 12, and the first probe member 2 and the light-transmitting region 12 are disposed at intervals. The light transmission area 12 provides an optical transmission area when the acquisition end 21 of the first probe member 2 performs optical acquisition, so that the first probe member 2 can acquire optical image information of the cavity tissue conveniently. Wherein the light-transmitting zone 12 is disposed at the distal end of the catheter member 1 so that the first probe member 2 directly acquires the forward view of the luminal tissue.

The light-transmitting region 12 is provided in a micro full-lens structure or a full-transparent film structure.

In some embodiments, the first probe member 2 and the light-transmitting region 12 are disposed at intervals, the first probe member 2 is configured with a light source module, lighting conditions are provided by the light source module, the light-transmitting region 12 is disposed as a lens, and the light source module is disposed at a focal point of the lens so as to facilitate uniform diffusion of light rays and promote clear display of a field of view of the luminal tissue.

The light-transmitting area 12 is provided with a ball head structure, and the ball head structure and the catheter body are integrally formed. The spherical transition surface is provided by the ball head structure, so that the catheter component 1 for loading a plurality of probe components is penetrated into the cavity tissue of the human body.

Referring to fig. 1 and 2, the second probe member 3 is used for receiving and transmitting acoustic information of the cavity tissue of the collection end 21 far away from the extension section 22, and the second probe member 3 is sleeved on the extension section 22; the second probe member 3 is disposed at a distance from the inner wall surface of the installation cavity. When the ultrasonic probe is used, the second probe 3 is used for receiving and transmitting acoustic wave information of the cavity tissue of which the acquisition end 21 is far away from the extension section 22 so as to collect the cavity tissue section image information in front of the catheter part 1, so that the catheter part 1 is prevented from driving displacement in front of the cavity tissue, and the damage to the cavity tissue such as a blood vessel wall is reduced.

In this embodiment, see fig. 4, the second probe member 3 has a phased array transducer consisting of a plurality of array elements, any of which are arranged as independent sound sources. The second probe part 3 is controlled by an external electronic system to excite each array element, so that ultrasonic signals and electric signals are converted, and the external image processing host is utilized to process the ultrasonic signals and the electric signals so as to obtain images of cavity tissues such as a front blood vessel cavity or muscle layers.

Referring to fig. 1 and 2, the third probe 4 is used for receiving and transmitting acoustic information of the channel tissue on the side wall of the catheter 1, the third probe 4 is sleeved on the extension section 22, the third probe 4 is spaced from the inner wall surface of the installation cavity, and the third probe 4 is spaced from the second probe 3 on the side far away from the acquisition end 21. When in use, the third probe 4 is used for receiving and transmitting acoustic wave information of the side wall cavity tissue of the catheter 1 so as to acquire the images of the blood vessel in front of the catheter 1 in equal section.

In this embodiment, referring to fig. 5, the third probe element 4 has a transducer array formed by a plurality of array elements distributed annularly with the axis of the catheter element 1 as the center line, and the transducer array is an annular scanning array; the extension 22 is provided in a cylindrical configuration and the scanning surface of the third probe element 4 is provided as a cambered surface around the axis of the extension 22. In this embodiment, the third probe member 4 is arranged to scan in an arc.

In some embodiments, referring to fig. 1 and 3, the outer diameter of catheter member 1 is configured to be 8F-10F.

In some embodiments, referring to fig. 1 and 3, the length of the catheter member 1 is set to 90cm.

Referring to fig. 1 and 2, the catheter member 1 is provided as a flexible tube body, and the extension 22 is provided as a flexible cable line. In some embodiments, the catheter member 1 may be configured with a bending wire (not shown in the figure), and the bending wire is connected by an external handle, so as to adjust the bending direction and angle of the distal end of the catheter member 1, so as to facilitate the penetration of the human body's cavity tissue and the acquisition of the visual field, and the catheter member 1 and the extension section 22 with flexible structures are adopted, so that the two parts conform to the shape and change in the bending process by driving the bending wire by the external handle, thereby being beneficial to changing the visual field range of the probe member and meeting the use requirements in working.

Referring to fig. 1, the catheter member 1 is provided with a port 11, the port 11 is adapted to be connected to an external probe handle, the port 11 is provided at the proximal end of the catheter member 1, and the port 11 is provided in communication with the mounting cavity. The first probe element 2, the second probe element 3 and the third probe element 4 are provided through the port 11 into the penetration space of the catheter element 1.

In a specific assembly process, the second probe member 3 and the third probe member 4 are fixedly sleeved on the extension section 22 of the first probe member 2, and glue can be filled into the installation cavity by using the port 11, so that the first probe member 2, the second probe member 3 and the third probe member 4 are fixedly adhered in the installation cavity, and the fixing of the structure is completed.

In the using process of the imaging probe assembly, the catheter component 1 is penetrated through the cavity tissue of the human body under the action of external force so as to jointly convey the first probe component 2, the second probe component 3 and the third probe component 4 which are integrally arranged into the cavity tissue; collecting optical image information of the cavity tissue through the collecting end 21 of the first probe member 2 to feed back the image field of view of the blood vessel wall surface; the second probe member 3 and the third probe member 4 are assembled by the extension 22 and the second probe member 3 and the third probe member 4 can be advanced to the distal end of the mounting cavity.

The imaging probe assembly provided by the embodiment utilizes the first probe piece 2 to collect optical image information of the cavity tissue in front of the catheter piece 1, utilizes the second probe piece 3 to collect image information of the cavity tissue section in front of the catheter piece 1, utilizes the third probe piece 4 to collect image information of the side blood vessel section of the catheter piece 1, and utilizes the peripheral image processing host to process and show the collected images. The imaging probe assembly can integrate and expand imaging visual field capability, can display images of the blood vessel and other cavity tissues and peripheral tissues thereof in an omnibearing manner, and can provide a reliable auxiliary tool for medical detection process.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. An omnidirectional intravascular imaging probe assembly, comprising:

A catheter member (1) adapted to be threaded through a luminal tissue, the catheter member (1) having an installation cavity;

A first probe member (2) secured within said mounting cavity, said first probe member (2) comprising a fixedly connected acquisition end (21) and an extension (22), said acquisition end (21) being adapted to acquire an optical image;

The second probe piece (3) and the third probe piece (4) are arranged at the far end of the mounting cavity, the second probe piece (3) and the third probe piece (4) are respectively sleeved on the extension section (22), the second probe piece (3) and the inner wall surface of the mounting cavity are arranged at intervals, the third probe piece (4) and the inner wall surface of the mounting cavity are arranged at intervals, and the third probe piece (4) is arranged at one side, far away from the collecting end (21), of the second probe piece (3) at intervals; the second probe part (3) and the third probe part (4) are configured as an acoustic transducer probe, the second probe part (3) is used for receiving and transmitting acoustic information of the cavity tissue of the collecting end (21) far away from the extending section (22), and the third probe part (4) is used for receiving and transmitting acoustic information of the cavity tissue of the side wall of the catheter part (1).

2. Imaging probe assembly according to claim 1, characterized in that the catheter member (1) comprises a catheter body and a light transmission zone (12), the light transmission zone (12) being arranged at the distal end of the catheter member (1), the first probe member (2) being arranged at a distance from the light transmission zone (12).

3. Imaging probe assembly according to claim 2, characterized in that the light-transmitting zone (12) is provided as a bulb structure, which is integrally formed with the catheter body.

4. Imaging probe assembly according to claim 2, characterized in that the outer diameter of the catheter member (1) is configured to be 8F-10F; and/or

The length of the conduit member (1) is set to 90cm.

5. Imaging probe assembly according to claim 1, characterized in that the first probe member (2) is configured as a miniature optical probe, the detection field of view of which is arranged at the acquisition end (21).

6. Imaging probe assembly according to claim 1, characterized in that the second probe member (3) has a phased array transducer consisting of a plurality of array elements, any of which is arranged as an independent sound source.

7. Imaging probe assembly according to claim 1, characterized in that the third probe member (4) has a transducer array of a plurality of array elements distributed annularly about the axis of the catheter member (1), the transducer array being an annular scanning array; the extension section (22) is of a cylindrical structure, and the scanning surface of the third probe piece (4) is an arc surface surrounding the axis of the extension section (22).

8. Imaging probe assembly according to claim 7, characterized in that the length direction of the extension section (22) and the axial direction of the catheter member (1) are arranged co-linearly.

9. Imaging probe assembly according to claim 1, characterized in that the catheter member (1) is provided as a flexible tube and the extension (22) is provided as a flexible cable.

10. Imaging probe assembly according to claim 1, characterized in that a port (11) is provided on the catheter member (1), the port (11) being adapted to be connected to an external probe handle, the port (11) being provided at the proximal end of the catheter member (1), the port (11) being provided in communication with the mounting cavity.