Intracavity probe and ultrasonic equipment

Abstract

The utility model discloses an intracavity probe and ultrasonic equipment, and the intracavity probe comprises a housing assembly, and a driving assembly, an elastic conductive part and a sound head assembly with a rotating shaft which are arranged in the housing assembly; the elastic conductive piece is provided with a fixed end part and a free end part which are connected, and the fixed end part is fixed on a preset part which does not move along with the rotating shaft and is used for grounding connection; the free end portion elastically abuts against the surface of the rotating shaft under the elastic force effect of the elastic conductive piece so that the rotating shaft can be in contact with the free end portion of the elastic conductive piece in the rotating process. By means of the elastic contact relation between the elastic conductive part and the rotating shaft, the rotating shaft can be in a grounding state all the time in the working process of the intracavity probe, and interference on ultrasonic imaging can be eliminated to a certain degree; and meanwhile, the elastic conductive part is used as a grounding component of the rotating shaft, so that the limited structural space in the probe can be fully utilized.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an intracavity probe and ultrasonic equipment. Background Art

[0002] The ultrasonic probe is an important component of ultrasonic equipment (such as ultrasonic diagnostic imaging equipment). Its working principle is to convert the excitation electrical pulse signal of the ultrasonic host into an ultrasonic signal that enters the patient's body, and then convert the ultrasonic echo signal reflected by the human tissue into an electrical signal, thereby realizing the detection of human tissue.

[0003] Among them, the acoustic head, as a sensitive device in the ultrasonic probe, has a significant impact on image quality, detection quality, etc., and the acoustic head and its connecting cables need to be shielded and grounded; compared with conventional ultrasonic probes, the intracavitary probe has an additional metal shaft that drives the acoustic head to rotate. In order to eliminate interference with the image, the metal shaft needs to be in a grounded state when the probe is working; in related technologies, most of them use a grounding cable to keep the metal main shaft in a grounded state; but this grounding method not only occupies the limited structural space of the probe, but also easily causes cable entanglement, or even grounding failure due to cable breakage or detachment from the metal shaft. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide an intracavity probe and an ultrasonic device using the intracavity probe, so that the acoustic head rotating shaft is always kept in a grounded state during the operation of the intracavity probe.

[0005] According to a first aspect, an embodiment provides an intracavity probe, comprising a housing assembly, a drive assembly, and an acoustic head assembly having a rotating shaft, wherein the rotating shaft has a conductive property, the acoustic head assembly is rotatably mounted within the housing assembly via the rotating shaft, the drive assembly is disposed within the housing assembly and is transmission-connected to the rotating shaft; the drive assembly is configured to drive the rotating shaft to rotate, thereby driving the acoustic head assembly to rotate about a central axis of the rotating shaft;

[0006] In which, the intracavity probe also includes an elastic conductive member arranged in the shell assembly, the elastic conductive member having a fixed end and a free end connected to each other, the fixed end being fixed to a preset component that does not move with the rotating shaft and is used for grounding connection; the free end elastically rests against the rotating shaft under the elastic force of the elastic conductive member, so that the rotating shaft can maintain contact with the free end of the elastic conductive member during rotation.

[0007] In one embodiment, the free end portion forms a line contact relationship with the surface of the rotating shaft.

[0008] In one embodiment, the free end portion is arranged to extend in a straight line in a plane perpendicular to the central axis, so that the free end portion forms a line contact with the peripheral surface of the rotating shaft.

[0009] In one embodiment, the length of the free end portion is greater than the outer diameter of the rotating shaft, so that the position where the free end portion contacts the rotating shaft is located between the two ends of the free end portion.

[0010] In one embodiment, the free end portion is arranged around the rotating shaft in a plane perpendicular to the central axis, and the free end portion has a plurality of contact positions arranged at intervals in the direction around the rotating shaft, and the free end portion forms a linear contact with the peripheral surface of the rotating shaft at the contact positions.

[0011] In one embodiment, the plurality of contact positions include a first contact position and a second contact position; in a direction around the rotation axis, the first contact position and the second contact position are located on opposite sides of the rotation axis.

[0012] In one embodiment, the free end portion has a first straight segment, a second straight segment, and a first curved segment, the first curved segment is connected between the first straight segment and the second straight segment, and an end of the first straight segment away from the first curved segment is connected to the fixed end portion;

[0013] In which, in a plane perpendicular to the central axis, the first straight segment and the second straight segment are both arranged to extend in a straight line; the bending direction of the first curved segment is toward the rotating shaft, so that the first straight segment and the second straight segment respectively form line contact with the circumferential surface of the rotating shaft.

[0014] In one embodiment, the fixed end has a fixed section and a second curved section, the fixed section is fixed to the preset component and grounded, and the second curved section is connected between the fixed section and the free end; the bending direction of the second curved section is away from the rotating shaft, so as to provide a rebound preload force that causes the free end to maintain contact with the surface of the rotating shaft when the free end is pressed by the rotating shaft.

[0015] In one embodiment, the elastic conductive member is an integrated sheet structure made of elastic conductive material.

[0016] In one embodiment, the driving assembly is configured to drive the rotating shaft to drive the acoustic head assembly to rotate within a travel angle of no less than 360 degrees.

[0017] In one embodiment, the shell assembly includes a handle shell, a sound head shell and a connecting base, the connecting base is connected between the handle shell and the sound head shell, the sound head assembly is arranged in a first accommodating cavity surrounded by the connecting base and the sound head shell, the driving assembly is arranged in a second accommodating cavity surrounded by the connecting base and the handle shell, the rotating shaft rotates through the connecting base, and the elastic conductive member is arranged in the second accommodating cavity.

[0018] In one embodiment, the drive assembly includes a drive member and a transmission member, wherein the body of the drive member is fixed to the connection base or the handle housing via a fixed base; the power shaft of the drive member is arranged in parallel with the rotating shaft to form an installation gap between the drive member and the rotating shaft; and the transmission member is connected between the power shaft of the drive member and the rotating shaft.

[0019] The fixed base serves as the preset component for fixing the fixed end; at least a portion of the free end is located in the installation gap and contacts the rotating shaft in the installation gap.

[0020] In one embodiment, the free end portion is arranged to pass through the installation gap along a direction tangential to the rotation axis.

[0021] In one embodiment, the power shaft of the driving member is provided with a driving wheel, and the rotating shaft is provided with a driven wheel, and the driving wheel and the driven wheel are connected for synchronous movement through the transmission member; in the direction of the central axis, the elastic conductive member is located on the side of the driving wheel and the driven wheel facing away from the connecting base.

[0022] According to a second aspect, an embodiment provides an intracavity probe, comprising a housing assembly, a drive assembly, and an acoustic head assembly having a rotating shaft, wherein the rotating shaft has a conductive property, the acoustic head assembly is rotatably mounted in the housing assembly via the rotating shaft, the drive assembly is disposed in the housing assembly and is transmission-connected to the rotating shaft; the drive assembly is configured to drive the rotating shaft to rotate, thereby driving the acoustic head assembly to rotate about a central axis of the rotating shaft;

[0023] In which, the intracavity probe also includes an elastic conductive member arranged in the shell assembly, the elastic conductive member has a fixed end and a free end connected to each other, the fixed end is fixed to the rotating shaft, and the free end elastically rests on a preset component for grounding connection under the elastic force of the elastic conductive member, so that during the rotation of the rotating shaft, the free end of the elastic conductive member remains in contact with the preset component.

[0024] According to the third aspect, an embodiment provides an ultrasound device, comprising an ultrasound host, a display device, and the intracavity probe described in the first aspect; wherein the intracavity probe is used to collect ultrasound image information; the ultrasound host is connected to the intracavity probe, and is used to receive and process the ultrasound image information to generate an ultrasound image; the display device is connected to the ultrasound host, and is used to display the ultrasound image.

[0025] According to the above-mentioned embodiment, the intracavity probe includes a shell assembly and a drive assembly, an elastic conductive member and an acoustic head assembly with a conductive rotating shaft arranged in the shell assembly; the drive assembly is connected to the rotating shaft in a transmission manner, and is used to drive the acoustic head assembly to rotate around the central axis of the rotating shaft; the elastic conductive member has a fixed end and a free end that are connected to each other, and the fixed end is fixed to a preset component that does not move with the rotating shaft and is used for grounding connection; the free end is abutted against the rotating shaft under the elastic force of the elastic conductive member, so that the free end of the elastic conductive member can maintain contact with the free end of the elastic conductive member during the rotation of the rotating shaft.

[0026] On the one hand, the elastic contact between the elastic conductive member and the shaft ensures that the shaft remains grounded during intracavity probe operation, which can somewhat eliminate interference with ultrasound imaging. On the other hand, using the elastic conductive member as the shaft grounding component reduces the limited internal space of the probe and avoids issues such as wire winding and shaft grounding failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram for reference of the outer contour structure of an intracavity probe according to an embodiment.

[0028] Figure 2 for Figure 1 Schematic diagram of the structural breakdown of the intracavitary probe.

[0029] Figure 3 Schematic diagram of the structural assembly of the elastic conductive member in an intracavity probe according to one embodiment (I).

[0030] Figure 4 for Figure 3 Schematic diagram of the structure of the elastic conductive part.

[0031] Figure 5 Schematic diagram (2) of the structural assembly of the elastic conductive member in an intracavity probe according to one embodiment.

[0032] Figure 6 for Figure 5 Schematic diagram of the structure of the elastic conductive part.

[0033] In the picture:

[0034] 10. Shell assembly; 11. Connecting base; 12. Acoustic head shell; 13. Handle shell; 20. Acoustic head assembly; 21. Rotating shaft; 22. Ultrasonic transducer; 23. Driven wheel; 30. Driving assembly; 31. Driving member; 32. Transmission member; 33. Fixed base; 40. Elastic conductive member; 41. Fixed end; 41a. Fixed section; 41b. Second curved section; 42. Free end; 42a. First straight section; 42b. Second straight section; 42c. First curved section; L1. Center axis; A1. First contact position; A2. Second contact position. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted under different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail. They can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0036] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various embodiments. Furthermore, the steps or actions in the method description may be reordered or adjusted in a manner readily apparent to those skilled in the art. Therefore, the various sequences in the specification and drawings are provided solely for the purpose of clearly describing a particular embodiment and are not intended to be mandatory, unless otherwise specified.

[0037] Component numbers used herein, such as "first" and "second," are used solely to distinguish the components being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).

[0038] See also Figures 1 to 6 An embodiment of the present application provides an intracavity probe that can be inserted into the cavity of a human organ to obtain ultrasonic image information of human tissue by emitting ultrasonic signals and receiving ultrasonic echoes; the intracavity probe includes a shell assembly 10, an acoustic head assembly 20, a drive assembly 30, an elastic conductive member 40, and other functional components that exist as needed, which are described in detail below.

[0039] See also Figure 2 、 Figure 3 and Figure 5 The acoustic head assembly 20 has a rotating shaft 21, on which an ultrasonic transducer 22 for converting ultrasonic signals into electrical signals is fixed; the acoustic head assembly 20 is rotatably mounted inside the shell assembly 10 through the rotating shaft 21; the drive assembly 30 is arranged inside the shell assembly 10 and is transmission-connected to the rotating shaft 21 (for example, a synchronous belt transmission connection, a gear transmission connection, etc.).

[0040] The drive assembly 30 drives the rotating shaft 21 to rotate, which in turn drives the acoustic head assembly 20 (specifically, the ultrasonic transducer 22) to rotate about the central axis L1 of the rotating shaft 21. This allows the acoustic head assembly 20 to transmit ultrasonic signals and receive ultrasonic echoes, ultimately acquiring ultrasonic image information of the part or area to be examined. For example, by rotating the acoustic head assembly 20 within a travel angle of not less than 360 degrees, the intracavitary probe can perform a 360-degree scan, thereby achieving 360-degree imaging of the part or area to be examined in conjunction with the ultrasound system. The angle of rotation in a single direction can be not less than 180 degrees.

[0041] For example, see Figure 2 The shell assembly 10 includes a connecting base 11, a sound head shell 12 and a handle shell 13. The connecting base 11 is connected between the sound head shell 12 and the handle shell 11; wherein, the sound head assembly 20 is arranged in a first accommodating cavity surrounded by the connecting base 11 and the sound head shell 12, and the driving assembly 30 is arranged in a second accommodating cavity surrounded by the connecting base 11 and the handle shell 13, and the rotating shaft 21 rotates through the connecting base 11 to establish a structural connection relationship and a power transmission relationship between the sound head assembly 20 and the driving assembly 30.

[0042] By holding the handle shell 13, the operator can insert one end of the acoustic head shell 12 (specifically, the acoustic head assembly 20) into the cavity of the human organ, and then by controlling the drive assembly 30 set in the handle shell 13, the rotating shaft 21 can drive the acoustic head assembly 20 to rotate in the first accommodating cavity to perform intracavitary ultrasonic testing.

[0043] See also Figure 3 and Figure 5The elastic conductive member 40 is arranged in the shell assembly 10. The elastic conductive member 40 can be an integrated sheet structure made of a material with good elasticity and conductivity such as beryllium and copper, or a structural member composed of a combination of related materials; the elastic conductive member 40 has a fixed end 41 and a free end 42 connected along its length direction; wherein, the elastic conductive member 40 is fixed to a preset component in the shell assembly 10 that does not move with the rotating shaft 21 through the fixed end 41, and is grounded; and the free end 42 elastically rests on the rotating shaft 21 under the elastic force of the elastic conductive member 40. For example, based on the contact and abutment relationship between the rotating shaft 21 and the free end 42, and the fixed setting relationship of the fixed end 41 relative to the rotating shaft 21, the elastic conductive member 40 is elastically deformed due to the pressure of the rotating shaft 21, and then a rebound force is applied to the rotating shaft 21 through the free end 42.

[0044] The rotating shaft has conductive properties and can be, for example, metal or other conductive materials. By elastically abutting the elastic conductive member 40 (specifically, the free end portion 42) against the rotating shaft 21 (e.g., the circumferential surface or axial end surface of the rotating shaft 21), the elastic conductive member 40 can maintain contact with the rotating shaft 21 during rotation of the rotating shaft 21, thereby ensuring that the rotating shaft 21 is always grounded via the elastic conductive member 40.

[0045] It should be noted that the preset component can be a related functional structural component arranged near the rotating shaft 21 in the intracavity probe, or it can be a supporting component added due to the elastic conductive member 40; and the preset component can be grounded so that the elastic conductive member 40 is grounded through the preset component; the preset component can also only serve to fix the elastic conductive member 40, and the fixed end 41 is grounded in other ways; that is, the grounding method adopted by the elastic conductive member 40 (i.e., the fixed end 41) does not constitute a limitation on the elastic conductive member 40 or the intracavity probe in the embodiment of the present application.

[0046] For one example, see Figure 3 and Figure 5 , a line contact relationship is adopted between the free end portion 42 and the surface of the rotating shaft 21. For example, the free end portion 42 is arranged on the circumferential side or radial side of the rotating shaft 21 in a form that can be tangent to the circumferential surface of the rotating shaft 21. In this way, under the premise of ensuring that the elastic conductive member 40 and the rotating shaft 21 are in effective conductive contact, the line contact structure formed between the elastic conductive member 40 (specifically the free end portion 42) and the rotating shaft 21 can effectively reduce the contact area between the elastic conductive member 40 and the rotating shaft 21, reduce the friction between the two, thereby weakening the wear of the elastic conductive member 40 caused by the rotating shaft 21 during the rotation process, and will not hinder the rotation of the rotating shaft 21.

[0047] For example, see Figure 3 and Figure 4 The free end portion 42 extends linearly within a plane perpendicular to the central axis L1. This allows the free end portion 42 to elastically abut against the circumferential surface of the rotating shaft 21, forming a linear contact position between the surface of the free end portion 42 and the circumferential surface of the rotating shaft 21 (for ease of description, the linear contact position is defined as the contact position of the free end portion 42). In some embodiments, the length of the free end portion 42 can be set to be greater than the outer diameter of the rotating shaft 21, so that the contact position (i.e., the contact position) between the free end portion 42 and the rotating shaft 21 is located between the ends of the free end portion 42 along its length, ensuring that the elastic conductive member 40 and the rotating shaft 21 maintain contact at all times.

[0048] For example, see Figure 5 and Figure 6 The free end portion 42 is arranged around the rotating shaft 21 in a plane perpendicular to the central axis L1, forming a structural arrangement in which the free end portion 42 fully or partially surrounds the rotating shaft 21. Furthermore, the free end portion 42 has multiple contact points spaced apart in a direction around the rotating shaft 21 (which can also be understood as along the length of the free end portion 42). At these contact points, the free end portion 42 forms linear contact with the circumferential surface of the rotating shaft 21. Thus, by selecting and configuring the structural form or extension path of the free end portion 42, the rotating shaft 21 can be ensured to contact the elastic conductive member 40 at multiple different locations, forming a multi-position contact relationship, thereby preventing the elastic conductive member 40 from separating from the rotating shaft 21, causing the rotating shaft 21 to fail in grounding.

[0049] In other embodiments, the elastic conductive member 40 may also adopt other forms to maintain elastic electrical contact with the rotating shaft 21; for example, the free end portion 42 is configured to be an arc-shaped structure (for example, a C-shape) that is adapted to the curvature of the circumferential surface of the rotating shaft 21, thereby forming a surface contact relationship between the free end portion 42 and the circumferential surface of the rotating shaft 21; for another example, the free end portion 42 is extended roughly along the direction of the central axis L1 and is arranged on one side of the rotating shaft 21, so that the end of the free end portion 42 away from the fixed end portion 41 is in contact with the circumferential surface of the rotating shaft 21; for another example, the free end portion 42 is arranged facing the axial end surface of the rotating shaft 21, thereby forming a surface contact between the surface of the free end portion 42 and the axial end surface of the rotating shaft 21; all these are not elaborated here.

[0050] First, by utilizing the elastic force generated by the elastic conductive member 40, an elastic contact relationship is formed between the elastic conductive member 40 and the rotating shaft 21. During the operation of the intracavitary probe, the rotating shaft 21 can be always in a grounded state through the elastic conductive member 40, thereby eliminating the electromagnetic interference caused to ultrasonic imaging to a certain extent.

[0051] Secondly, by using the elastic conductive member 40 as the grounding component of the rotating shaft 21, the overall structural form of the elastic conductive member 40 or the installation form in the shell assembly 10 can be selectively configured, which not only makes full use of the internal space of the probe and reduces the occupied space, but also facilitates the grounding setting of the rotating shaft 21; compared with the solution of using a grounding cable in the related art, it can effectively avoid problems such as easy winding, cable breaking or detachment from the rotating shaft 21, so that the rotating shaft 21 can remain in an effectively grounded state.

[0052] Third, by utilizing the line contact formed between the elastic conductive member 40 and the rotating shaft 21, the contact area between the elastic conductive member 40 and the rotating shaft 21 can be effectively reduced, and the friction force can be reduced, thereby reducing the wear of the elastic conductive member 40 and weakening the interference or structural interference caused by the elastic conductive member 40 to the rotational movement of the rotating shaft 21, creating favorable conditions for improving the service life of the intracavitary probe and ensuring the normal use of the probe.

[0053] For one example, see Figure 4 and Figure 5 The free end portion 42 of the elastic conductive member 40 is arranged in the housing assembly 10 in the form of a semi-enclosed rotating shaft 21; specifically, the free end portion 42 has a first straight segment 42a, a second straight segment 42b and a first curved segment 42c; wherein, the first straight segment 42a and the second straight segment 42b are arranged in a straight line in a plane perpendicular to the central axis L1, and the first curved segment 42c is connected between the first straight segment 42a and the second straight segment 42b, and the bending direction of the first curved segment 42c is toward the rotating shaft 21, thereby configuring the free end portion 42 into a roughly U-shaped structure; and the end of the first straight segment 42a away from the first curved segment 42c is connected to the fixed end portion 41.

[0054] Thus, a line contact position (for the convenience of distinction and description, this contact position is defined as the first contact position A1) can be formed through the contact between the first straight segment 42a and the peripheral surface of the rotating shaft 21, and another line contact position (for the convenience of distinction and description, this contact position is defined as the second contact position A2) can be formed through the contact between the second straight segment 42b and the peripheral surface of the rotating shaft 21. Based on the structural feature that the first curved segment 42c bends toward the rotating shaft 21, the first contact position A1 and the second contact position A2 can be located on opposite sides of the rotating shaft 21; in this way, the contact area between the elastic conductive member 40 and the rotating shaft 21 can be minimized, and the rotating shaft 21 and the elastic conductive member 40 can be ensured to always maintain contact, so that the rotating shaft 21 is always in a grounded state when the intracavitary probe is working.

[0055] In other embodiments, by adjusting the structural form of the elastic conductive member 40, the first contact position A1 and the second contact position A2 can be located on opposite sides of the rotating shaft 21, or the first contact position A1 and the second contact position A2 can be arranged at a certain angle along the direction around the rotating shaft 21; details will not be repeated here.

[0056] For one example, see Figure 3 and Figure 5 The driving assembly 30 includes a driving member 31, a transmission member 32 and a fixed base 33; wherein the driving member 31 can adopt a power device such as a stepping motor, and the body of the driving member 31 is fixed to the connecting base 11 or the handle housing 13 through the fixed base 33. The power shaft of the driving member 31 and the rotating shaft 21 are arranged in parallel at one end within the second accommodating cavity, and the transmission member 32 is connected between the power shaft of the driving member 31 and the rotating shaft 21, thereby establishing a synchronous transmission connection relationship between the driving member 31 and the rotating shaft 21 (or the sound head assembly 20), so that the driving member 31 can drive the rotating shaft 21 to rotate through the transmission member 32, and then the rotating shaft 21 drives the sound head assembly 20 to rotate around the central axis L1.

[0057] As for the elastic conductive member 40, the fixed end 41 is fixed to the fixed base 33 (it can also be understood that the fixed base 33 is a preset component) and is grounded or grounded through the fixed base 33; and at least a portion of the free end 42 is located in the installation gap formed between the rotating shaft 21 and the driving member 31, and the free end 42 elastically rests on the surface of the rotating shaft 21 in the installation gap.

[0058] For example, the free end portion 42 extends in a straight line in a plane perpendicular to the central axis L1. For ease of distinction and description, please refer to Figure 3 and Figure 5 The arrangement direction between the rotating shaft 21 and the power shaft of the driving member 31 is defined as the up and down direction of the rotating shaft 21. The power shaft of the driving member 31 is located at the lower side of the rotating shaft 21, and the fixed base 33 is located at the lower front side of the rotating shaft 21. The free end portion 42 is arranged along a direction tangent to the rotating shaft 21 through the installation gap.

[0059] Thus, the rotating shaft 21 can form a structural pressure on the free end portion 42, causing the elastic conductive member 40 to elastically deform and generate an elastic force, so that the free end portion 21 elastically presses against the peripheral surface of the rotating shaft 21 in a line contact form.

[0060] It should be noted that the fixed base 33 can be a part of the main body of the driving member 31, or it can be a structural member integrally formed with the connecting base 11 or the handle housing 13, or it can be an independent structural member that fixes the driving member 31 to the connecting base 11 or the handle housing 13; for example, the fixed base 33 is an independent structural member that is fixedly connected between the connecting base 11 and the driving member 31 by screws or the like.

[0061] For one example, see Figures 3 to 6 The fixed end portion 41 has a fixed section 41a and a second curved section 41b. The fixed section 41a can be fixed to the fixed base 33 and grounded by screws or the like. The second curved section 41b is connected between the fixed section 41a and the free end portion 42 (for example, the first straight section 42a), and the bending direction of the second curved section 41b is away from the rotating shaft 21 (for example, toward the driving member 31).

[0062] By selecting and setting the degree of bending of the second curved section 41b, not only can the elastic conductive member 40 adapt to the spatial structural form between the driving member 31 and the rotating shaft 21, so as to play a guiding role in the process of installing the elastic conductive member 40, thereby realizing the rapid installation and fixation of the elastic conductive member 40; at the same time, when the free end portion 42 is pressed by the rotating shaft 21, the second curved section 41b can provide a rebound preload force that prompts the free end portion 42 to maintain contact with the peripheral surface of the rotating shaft 21 due to the increased degree of bending.

[0063] In other embodiments, the elastic conductive member 40 may be configured as a naturally straight structure. By vertically securing one end (i.e., the fixed end 41) of the elastic conductive member 40 to a related component located near the rotating shaft 21 (e.g., the fixed base 33 located below and in front of the rotating shaft 21), and then extending the other end (i.e., the free end 42) of the elastic conductive member 40 through a mounting gap and extending behind the rotating shaft 21, the entire elastic guide member 40 will elastically deform due to the pressure of the rotating shaft 21, causing the elastic guide member 40 to elastically abut against the circumferential surface of the rotating shaft 21. In this case, the second curved section 41b can be understood as the portion of the elastic guide member 40 that is bent and deformed due to structural interference between the rotating shaft 21 and the predetermined component (e.g., the fixed base 33).

[0064] For one example, see Figure 3 and Figure 5The power shaft of the driving member 31 is provided with a driving pulley, and the rotating shaft 21 is provided with a driven pulley 23. The transmission member 33 utilizes a synchronous belt structure, and the driving pulley and the driven pulley 23 are connected to each other in a synchronous motion relationship through the transmission member 33. In the direction of the central axis L1, the elastic conductive member 40 is located on the side of the driving pulley and the driven pulley 23 that faces away from the connection base 11. By arranging the elastic conductive member 40 away from the connection base 11, it is easier to install and fix the elastic conductive member 40, as well as to adjust the contact position or contact form between the elastic conductive member 40 and the rotating shaft 21.

[0065] Of course, the transmission member 33 can also be a gear or a gear assembly, which is arranged between the driving wheel and the driven wheel 23 in the form of gear meshing, so as to achieve a transmission connection between the driving member 31 and the rotating shaft 21.

[0066] In one embodiment, please combine Figure 2 、 Figure 3 and Figure 5 The driving assembly 30 is configured to drive the rotating shaft 21 to drive the acoustic head assembly 20 to rotate within a travel angle of not less than 360 degrees; for example, the acoustic head assembly 20 can rotate 180 degrees clockwise and counterclockwise around the central axis L1; thereby, the intracavitary probe is constructed as a 360 probe, so that the intracavitary probe and the ultrasound host can cooperate to achieve 360-degree scanning and imaging.

[0067] In one embodiment, the rotating shaft 21 is provided with a receiving groove, and the ultrasonic transducer 22 is installed in the receiving groove and protrudes from the surface of the rotating shaft 21 . The rotating shaft 21 serves as an electromagnetic shielding element for the ultrasonic transducer 22 to a certain extent.

[0068] In one embodiment, the connection positions of the fixed end and free end of the elastic conductive member 40 with the rotating shaft 21 and a predetermined component (e.g., a fixed base 33) can be swapped. This embodiment of the application also provides an intracavity probe, comprising a housing assembly 10, a drive assembly 30, and an acoustic head assembly 20 having a rotating shaft 21. The rotating shaft 21 has conductive properties, and the acoustic head assembly 20 is rotatably mounted within the housing assembly 10 via the rotating shaft 21. The drive assembly 30 is disposed within the housing assembly 10 and is transmission-connected to the rotating shaft 21. The drive assembly 30 is configured to drive the rotating shaft 21 to rotate, thereby driving the acoustic head assembly 20 to rotate about the central axis of the rotating shaft 21. The intracavity probe further comprises an elastic conductive member 40 disposed within the housing assembly 10. The elastic conductive member 40 has a fixed end 41 and a free end 42, which are connected to each other. The fixed end 41 is fixed to the rotating shaft 21, and the free end 42 elastically abuts against a predetermined component for grounding connection under the elastic force of the elastic conductive member 40, so that the free end of the elastic conductive member 40 maintains contact with the predetermined component during rotation of the rotating shaft 21.

[0069] Please combine Figures 1 to 6The present application also provides an ultrasound device comprising an ultrasound host, a display device, and the intracavity probe of the aforementioned embodiment. An operator grasps the handle end of the intracavity probe (e.g., the handle housing 13) and inserts the acoustic head end of the intracavity probe (e.g., the end where the acoustic head assembly 20 is located) into the cavity of a human organ. Ultrasonic image information is collected through the rotational movement of the acoustic head assembly 20 within the probe. The ultrasound host is connected to the intracavity probe and generates an ultrasound image by receiving and processing the ultrasound image information acquired by the intracavity probe. The display device is connected to the ultrasound host and is used to display the ultrasound image so that medical personnel can make medical diagnoses based on the ultrasound image. During this process, the elastic contact relationship between the elastic conductive member 40 and the rotating shaft 21 ensures that the rotating shaft 21 is always grounded during the operation of the intracavity probe, eliminating electromagnetic interference with the ultrasound image.

[0070] The above examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. Those skilled in the art of the present invention can make some simple deductions, modifications or substitutions based on the concept of the present invention.

Claims

1. An intracavity probe, characterized in that: The acoustic head assembly comprises a housing assembly, a drive assembly, and a sound head assembly having a rotating shaft, wherein the rotating shaft has a conductive property, the acoustic head assembly is rotatably mounted in the housing assembly via the rotating shaft, the drive assembly is disposed in the housing assembly and is transmission-connected to the rotating shaft; the drive assembly is used to drive the rotating shaft to rotate, thereby driving the acoustic head assembly to rotate around the central axis of the rotating shaft; In which, the intracavity probe also includes an elastic conductive member arranged in the shell assembly, the elastic conductive member having a fixed end and a free end connected to each other, the fixed end being fixed to a preset component that does not move with the rotating shaft and is used for grounding connection; the free end elastically rests against the rotating shaft under the elastic force of the elastic conductive member, so that the rotating shaft can maintain contact with the free end of the elastic conductive member during rotation.

2. The intracavity probe according to claim 1, wherein: The free end portion forms a line contact relationship with the surface of the rotating shaft.

3. The intracavity probe according to claim 2, wherein: The free end portion is arranged to extend in a straight line in a plane perpendicular to the central axis, so that the free end portion forms a line contact with the peripheral surface of the rotating shaft.

4. The intracavity probe according to claim 3, wherein: The length of the free end portion is greater than the outer diameter of the rotating shaft, so that the position where the free end portion contacts the rotating shaft is located between two ends of the free end portion.

5. The intracavity probe according to claim 2, wherein: The free end portion is arranged around the rotating shaft in a plane perpendicular to the central axis. The free end portion has a plurality of contact positions arranged at intervals in a direction around the rotating shaft. The free end portion forms linear contact with the peripheral surface of the rotating shaft at the contact positions.

6. The intracavity probe according to claim 5, wherein: The plurality of contact positions include a first contact position and a second contact position; in a direction around the rotation axis, the first contact position and the second contact position are located on two opposite sides of the rotation axis.

7. The intracavity probe according to claim 6, wherein: The free end portion has a first straight segment, a second straight segment, and a first curved segment, the first curved segment is connected between the first straight segment and the second straight segment, and an end of the first straight segment away from the first curved segment is connected to the fixed end portion; In which, in a plane perpendicular to the central axis, the first straight segment and the second straight segment are both arranged to extend in a straight line; the bending direction of the first curved segment is toward the rotating shaft, so that the first straight segment and the second straight segment respectively form line contact with the circumferential surface of the rotating shaft.

8. The intracavity probe according to claim 1, wherein: The fixed end portion has a fixed section and a second curved section, the fixed section is fixed to the preset component and is grounded, and the second curved section is connected between the fixed section and the free end portion; the bending direction of the second curved section is away from the rotating shaft, so as to provide a rebound preload force that causes the free end portion to maintain contact with the surface of the rotating shaft when the free end portion is pressed by the rotating shaft.

9. The intracavity probe according to claim 8, wherein: The elastic conductive member is an integrated sheet structure made of elastic conductive material.

10. The intracavity probe according to claim 1, wherein: The driving assembly is configured to drive the rotating shaft to drive the acoustic head assembly to rotate within a travel angle of no less than 360 degrees.

11. The intracavity probe according to any one of claims 1 to 10, characterized in that: The shell assembly includes a handle shell, a sound head shell and a connecting base. The connecting base is connected between the handle shell and the sound head shell. The sound head assembly is arranged in a first accommodating cavity surrounded by the connecting base and the sound head shell. The driving assembly is arranged in a second accommodating cavity surrounded by the connecting base and the handle shell. The rotating shaft rotates through the connecting base, and the elastic conductive member is arranged in the second accommodating cavity.

12. The intracavity probe according to claim 11, wherein: The driving assembly includes a driving member and a transmission member. The body of the driving member is fixed to the connecting base or the handle housing via a fixing base. The power shaft of the driving member is arranged in parallel with the rotating shaft to form an installation gap between the driving member and the rotating shaft. The transmission member is connected between the power shaft of the driving member and the rotating shaft. The fixed base serves as the preset component for fixing the fixed end; at least a portion of the free end is located in the installation gap and contacts the rotating shaft in the installation gap.

13. The intracavity probe according to claim 12, wherein: The free end portion is arranged to pass through the installation gap along a direction tangential to the rotation axis.

14. The intracavity probe according to claim 12, wherein: The power shaft of the driving member is provided with a driving wheel, and the rotating shaft is provided with a driven wheel. The driving wheel and the driven wheel are connected for synchronous movement through the transmission member; in the direction of the central axis, the elastic conductive member is located on the side of the driving wheel and the driven wheel facing away from the connection base.

15. An intracavity probe, characterized in that: The acoustic head assembly comprises a housing assembly, a drive assembly, and a sound head assembly having a rotating shaft, wherein the rotating shaft has a conductive property, the acoustic head assembly is rotatably mounted in the housing assembly via the rotating shaft, the drive assembly is disposed in the housing assembly and is transmission-connected to the rotating shaft; the drive assembly is used to drive the rotating shaft to rotate, thereby driving the acoustic head assembly to rotate around the central axis of the rotating shaft; In which, the intracavity probe also includes an elastic conductive member arranged in the shell assembly, the elastic conductive member has a fixed end and a free end connected to each other, the fixed end is fixed to the rotating shaft, and the free end elastically rests on a preset component for grounding connection under the elastic force of the elastic conductive member, so that during the rotation of the rotating shaft, the free end of the elastic conductive member remains in contact with the preset component.

16. An ultrasonic device, characterized in that It comprises an ultrasound host, a display device and an intracavity probe according to any one of claims 1 to 15; wherein the intracavity probe is used to collect ultrasound image information; the ultrasound host is connected to the intracavity probe and is used to receive and process the ultrasound image information to generate an ultrasound image; the display device is connected to the ultrasound host to display the ultrasound image.

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