Positioning puncture support for clinical ultrasonic imaging

Abstract

The invention aims at providing a positioning puncture support for clinical ultrasonic imaging, and relates to the technical field of medical instruments, an ultrasonic probe can be clamped and fixed through a clamping assembly of a positioning fixing frame, and the inclination angle and direction of the ultrasonic probe can be flexibly adjusted through a ball head structure; positioning and guiding of the puncture needle can be achieved through the guide assembly, puncture is more accurate, the guide assembly is connected with the ball head structure through the telescopic column, and therefore the distance between the guide assembly, namely the puncture needle and the ultrasonic probe can be adjusted through stretching and retracting of the telescopic column; the rotating angles of the guide cylinder in the Y-axis direction and the X-axis direction can be adjusted through rotation of a rotating frame and a rotating plate of the guide assembly, and the guide cylinder is kept after rotating in the Y-axis direction and rotates in the X-axis direction at the same time, so that the guide cylinder can incline in more directions and angles; and through the design of a Y worm gear, an X worm gear, a Y worm and an X worm, adjustment is more convenient.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a positioning puncture stent for clinical ultrasound imaging. Background Technology

[0002] Ultrasound-guided superficial organ biopsy is a minimally invasive diagnostic technique that uses real-time ultrasound imaging to precisely puncture and sample lesions in superficial organs such as the thyroid, breast, and lymph nodes. Its core advantages lie in its visualized operation, minimal trauma, and low risk of complications. It is primarily used to clarify the nature of lesions (such as differentiating between benign and malignant lesions) or to guide subsequent treatment.

[0003] During the procedure, one hand needs to hold the ultrasound probe and the other hand needs to hold the puncture needle to perform the puncture. It is inconvenient for one person to perform the puncture biopsy. A support is needed to fix the probe. However, the existing puncture support has a short distance between the puncture hole and the probe, which cannot meet the requirements of clinical puncture biopsy. At the same time, the short distance also limits the angle between the probe and the puncture needle. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides the following technical solution:

[0005] A positioning puncture stent for clinical ultrasound imaging includes a support frame and a positioning and fixing frame; the positioning and fixing frame includes a clamping assembly, a ball head structure, a telescopic column and a guide assembly; one end of the telescopic column is fixedly connected to the guide assembly, and the other end is movably connected to the clamping assembly through the ball head structure, the ball head structure being fixedly mounted on the support frame.

[0006] Furthermore, the guide assembly includes an L-shaped plate, a rotating frame, and a rotating plate. The L-shaped plate is fixedly connected to the telescopic column. One end of the rotating frame and the rotating plate is rotatably connected to the L-shaped plate. The rotating frame and the rotating plate are placed perpendicularly to each other. A guide cylinder is installed inside the rotating frame and rotatably on the same axis as the rotating plate. The rotation of the rotating frame controls the rotation of the guide cylinder around the Y-axis, and the rotation of the rotating plate controls the rotation of the guide cylinder around the X-axis.

[0007] Furthermore, a Y-worm gear and an X-worm gear are respectively rotatably arranged inside the L-shaped plate corresponding to the rotating frame and the rotating plate, and the Y-worm gear and the X-worm gear are fixedly connected to the rotating frame and the rotating plate, respectively; and a Y-worm and an X-worm are respectively arranged on the L-shaped plate to cooperate with the Y-worm gear and the X-worm gear; by rotating the Y-worm, the Y-worm gear is driven to rotate, which drives the rotating frame to rotate, and drives the guide cylinder to rotate around the Y-axis; by rotating the X-worm, the X-worm gear is driven to rotate, which drives the rotating plate to rotate, and drives the guide cylinder to rotate around the X-axis.

[0008] Furthermore, a through groove is formed on the rotating plate, through which the guide cylinder passes.

[0009] Furthermore, the ball head structure includes a ball shell and a ball core. The ball shell is fixedly connected to a telescopic column. An opening is provided on the ball shell. The ball core is movably installed inside the ball shell. A short column is fixedly provided on the ball core. The short column extends out of the opening and is fixedly connected to the clamping assembly. A locking bolt is provided on the ball shell. By tightening the locking bolt, the ball core is brought into contact with the locking bolt, and the movement of the clamping assembly is restricted.

[0010] Furthermore, the clamping assembly includes a U-shaped clamping frame, a clamping plate, and a clamping screw. The U-shaped clamping frame is fixedly connected to a short column. The clamping plate is located inside the U-shaped clamping frame, and the clamping screw is threaded through the U-shaped clamping frame and movably connected to the clamping plate. The clamping plate is driven to move by rotating the clamping screw.

[0011] Furthermore, the support frame includes a telescopic vertical rod, a telescopic horizontal rod, and a fixing component; the front end of the telescopic horizontal rod is fixedly connected to the spherical shell of the ball head structure; the upper end of the telescopic vertical rod is fixedly connected to the rear end of the telescopic horizontal rod, and the lower end is fixedly connected to the fixing component; both the telescopic vertical rod and the telescopic horizontal rod are cylindrical telescopic rods, and the inner rods of both the telescopic vertical rod and the telescopic horizontal rod can rotate around an axis.

[0012] Furthermore, the fixing component includes a U-shaped fixing frame, a fixing plate, and fixing bolts. The U-shaped fixing frame is fixedly connected to the lower end of the telescopic vertical rod, the fixing plate is located inside the U-shaped fixing frame, and the fixing bolts are threaded through the U-shaped fixing frame and movably connected to the fixing plate.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] This invention utilizes a positioning and fixing frame to clamp and fix the ultrasound probe, and a ball-head structure allows for flexible adjustment of the probe's tilt angle and direction. A guide component guides the puncture needle for more precise puncture, and a telescopic column connects the guide component to the ball-head structure, allowing adjustment of the distance between the guide component (puncture needle) and the ultrasound probe. The rotation of the guide component's rotating frame and plate allows for adjustment of the guide cylinder's rotation angle around the Y-axis and X-axis, respectively. After rotating around the Y-axis, the rotation is held while simultaneously rotating around the X-axis, allowing the guide cylinder to tilt in more directions and angles. The design of the Y-worm gear, X-worm gear, Y-worm, and X-worm allows for convenient adjustment of the guide cylinder's direction and angle by rotating the Y-worm and X-worm. Finally, the support frame design allows the positioning and fixing frame to be fixed to the side of the operating table, eliminating the need for handheld operation and facilitating single-person biopsy procedures. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2This is a schematic diagram of the positioning and fixing frame structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the guiding component structure of the present invention;

[0018] Figure 4 This is a schematic diagram of the installation of the X worm gear and X worm wheel of the guide assembly of the present invention;

[0019] Figure 5 This is a schematic diagram of the installation of the Y-worm gear and Y-worm wheel of the guide assembly of the present invention.

[0020] In the diagram: Fixed component-1, Telescopic vertical bar-2, Telescopic horizontal bar-3, Clamping component-4, U-shaped clamping frame-41, Clamping plate-42, Clamping screw-43, Ball head structure-5, Locking bolt-51, Telescopic column-52, Guide component-6, L-shaped plate-61, Rotating frame-62, Rotating plate-63, Guide cylinder-64, X worm gear-65, Y worm gear-66, X worm wheel-67, Y worm wheel-68. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] When performing ultrasound-guided superficial organ biopsy, one hand needs to hold the ultrasound probe and the other hand needs to hold the puncture needle for puncture. It is inconvenient for one person to perform the biopsy operation, so a support is needed to fix the probe. However, the existing puncture support has a short distance between the puncture hole and the probe, which limits the angle between the probe and the puncture needle. Therefore, this application has made the following design.

[0023] Example 1:

[0024] In this embodiment, the first step is to address the problem that the short distance between the puncture hole and the probe in the current puncture frame limits the adjustment angle and fails to meet clinical needs.

[0025] Please see Figure 1-5 A positioning puncture stent for clinical ultrasound imaging includes a support frame and a positioning and fixing frame; the positioning and fixing frame includes a clamping component 4, a ball head structure 5, a telescopic column 52 and a guide component 6; one end of the telescopic column 52 is fixedly connected to the guide component 6, and the other end is movably connected to the clamping component 4 through the ball head structure 5, the ball head structure 5 being fixedly installed on the support frame;

[0026] In this embodiment, the clamping component 4 that fixes the ultrasound probe is connected to the guiding component 6 that provides guidance by designing a telescopic column 52. The distance between the clamping component 4 and the guiding component 6 can be adjusted by the extension and retraction of the telescopic column 52, thereby realizing the adjustment of the distance between the ultrasound probe and the puncture needle, which facilitates a wider range of adjustment of the puncture needle.

[0027] Example 2:

[0028] According to Embodiment 1, in this embodiment, a ball-head structure 5 is designed to allow for flexible angle adjustment of the fixed ultrasonic probe. Please refer to [link to embodiment 1]. Figure 1-5 The ball head structure 5 includes a ball shell and a ball core. The ball shell is fixedly connected to the telescopic column 52. An opening is provided on the ball shell. The ball core is movably installed inside the ball shell. A short column is fixedly provided on the ball core. The short column passes through the opening and is fixedly connected to the clamping assembly 4. A locking bolt 51 is provided on the ball shell. By tightening the locking bolt 51, the ball core is brought into contact with the ball core, which restricts the movement of the clamping assembly 4.

[0029] In this embodiment, the spherical shell and the spherical core can be made of, but are not limited to, high-strength engineering plastics (such as polyetheretherketone PEEK). The diameter of the spherical shell is 30-40mm, the width of the movable opening is 15mm, and the maximum tilt angle of the spherical core is ±30°. The head of the locking bolt 51 is inlaid with a rubber pad to enhance friction.

[0030] In this embodiment, the ultrasonic probe fixed by the clamping assembly 4 can rotate flexibly by the ball head structure 5, and the angle and direction can be adjusted. By tightening the locking bolt 51 on the ball shell to contact the ball core, the movement of the clamping assembly 4 can be restricted, thereby fixing the angle and direction of the ultrasonic probe.

[0031] Example 3:

[0032] According to Embodiments 1-2, this embodiment provides a structure for fixing an ultrasonic probe. Please refer to [link / reference]. Figure 1-5 The clamping assembly 4 includes a U-shaped clamping frame 41, a clamping plate 42, and a clamping screw 43. The U-shaped clamping frame 41 is fixedly connected to a short column. The clamping plate 42 is located inside the U-shaped clamping frame 41. The clamping screw 43 is threaded through the U-shaped clamping frame 41 and movably connected to the clamping plate 42. The clamping plate 42 is driven to move by rotating the clamping screw 43.

[0033] In this embodiment, the inner wall of the U-shaped clamping frame 41 of the clamping assembly 4 is covered with a silicone anti-slip layer, the surface of the clamping plate 42 is designed with a wave pattern, and the clamping screw 43 is made of M6 stainless steel thread with a stroke range of 10-20mm, which can be adapted to the width of the ultrasonic probe 40-60mm.

[0034] In this embodiment, when in use, the ultrasonic probe is placed in the U-shaped clamping frame 41, and the clamping plate 42 is moved toward the ultrasonic probe by rotating the clamping screw 43, thereby clamping and fixing the ultrasonic probe.

[0035] Example 4:

[0036] According to Examples 1-3, in this embodiment, the angle of the puncture needle needs to be adjusted during puncture biopsy; therefore, adjusting the angle of the guide cylinder 64 is a crucial step. This embodiment provides a structure for adjusting the guide puncture angle and direction; please refer to [link / reference needed]. Figure 1-5 The guide assembly 6 includes an L-shaped plate 61, a rotating frame 62, and a rotating plate 63. The L-shaped plate 61 is fixedly connected to the telescopic column 52. One end of the rotating frame 62 and the rotating plate 63 is rotatably connected to the L-shaped plate 61. The rotating frame 62 and the rotating plate 63 are placed perpendicularly to each other. A guide cylinder 64 is installed coaxially with the rotating plate 63 inside the rotating frame 62. The rotation of the rotating frame 62 controls the rotation of the guide cylinder 64 around the Y-axis, and the rotation of the rotating plate 63 controls the rotation of the guide cylinder 64 around the X-axis. A through groove is opened on the rotating plate 63, and the guide cylinder 64 passes through the through groove.

[0037] In this embodiment, the L-shaped plate 61 of the guide assembly 6 can be made of titanium alloy material, with a thickness of 3-10mm. The rotating frame 62 and the rotating plate 63 achieve low-friction rotation through precision bearings. The guide cylinder 64 has an inner diameter of 1.2-2.1mm (corresponding to 18G-14G puncture needles) and a length of 50-80mm. The width of the through groove is equal to the outer diameter of the guide cylinder 64 to ensure that the rotation of the guide cylinder 64 is free from interference.

[0038] In this embodiment, during use, the rotation angles of the guide cylinder 64 around the Y-axis and X-axis can be adjusted by rotating the guide assembly 6, rotating the frame 62 and rotating the plate 63 respectively. After rotating around the Y-axis, it is held, and at the same time, it is rotated around the X-axis, so that the guide cylinder 64 can tilt in more directions and angles to meet the requirements of clinical biopsy puncture.

[0039] Example 5:

[0040] According to Embodiments 1-4, although the angle and direction adjustment was achieved in Embodiment 4, ease of operation is required during puncture biopsy. Therefore, in this embodiment, to further facilitate the adjustment of the angle of the guide cylinder 64, it was considered whether it was possible to adjust the rotation of the guide cylinder 64 in one direction by turning a knob, and lock the guide cylinder 64 so that it could not rotate when the knob was not turned. Based on this, the worm gear and worm in the mechanical structure were considered. In the worm gear and worm structure, under certain conditions, only the rotation of the worm can drive the rotation of the worm gear, and the rotation of the worm gear cannot drive the rotation of the worm gear. Using this principle, the direction and angle of the guide cylinder 64 can be adjusted more conveniently.

[0041] Please see Figure 1-5 The L-shaped plate 61 is equipped with a Y-worm gear 68 and an X-worm gear 67, which are rotatably disposed within the rotating frame 62 and the rotating plate 63, respectively. The Y-worm gear 68 and the X-worm gear 67 are fixedly connected to the rotating frame 62 and the rotating plate 63, respectively. A Y-worm 66 and an X-worm 65 are respectively disposed on the L-shaped plate 61 to cooperate with the Y-worm gear 68 and the X-worm gear 67. Rotating the Y-worm 66 drives the Y-worm gear 68 to rotate, which in turn drives the rotating frame 62 to rotate, thereby causing the guide cylinder 64 to rotate around the Y-axis. Rotating the X-worm 65 drives the X-worm gear 67 to rotate, which in turn drives the rotating plate 63 to rotate, thereby causing the guide cylinder 64 to rotate around the X-axis.

[0042] In this embodiment, by rotating the Y worm 66 and the X worm 65 respectively, the guide cylinder 64 can be driven to rotate around the Y-axis and X-axis respectively. The angle of the guide cylinder 64 can be adjusted, and it can be fixed by stopping the rotation; the adjustment operation is more convenient.

[0043] Example 6:

[0044] According to embodiments 1-5, in this embodiment, in order to completely free the hands, a support frame is designed to fix the positioning and fixing frame to the operating table; please refer to Figure 1-5 The support frame includes a telescopic vertical rod 2, a telescopic horizontal rod 3, and a fixing component 1; the front end of the telescopic horizontal rod 3 is fixedly connected to the spherical shell of the ball head structure 5; the upper end of the telescopic vertical rod 2 is fixedly connected to the rear end of the telescopic horizontal rod 3, and the lower end is fixedly connected to the fixing component 1; both the telescopic vertical rod 2 and the telescopic horizontal rod 3 are cylindrical telescopic rods, and the inner rods of both the telescopic vertical rod 2 and the telescopic horizontal rod 3 can rotate around an axis; the fixing component 1 includes a U-shaped fixing frame, a fixing plate, and fixing bolts; the U-shaped fixing frame is fixedly connected to the lower end of the telescopic vertical rod 2, the fixing plate is located inside the U-shaped fixing frame, and the fixing bolts are threaded through the U-shaped fixing frame and movably connected to the fixing plate;

[0045] In this embodiment, the positioning and fixing frame can be fixed on the operating table by the fixing component 1 of the support frame, and the vertical height of the positioning and fixing frame can be adjusted by the extension and retraction of the telescopic vertical rod 2. At the same time, the position of the positioning and fixing frame can be adjusted by the rotatability of the inner rod of the telescopic vertical rod 2. The lateral distance of the positioning and fixing frame can be adjusted by the extension and retraction of the telescopic horizontal rod 3, and the tilt angle of the positioning and fixing frame can be adjusted by the rotatability of the inner rod of the telescopic horizontal rod 3, so that the positioning and fixing frame can reach the lesion.

[0046] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A positioning puncture stent for clinical ultrasound imaging, characterized in that, It includes a support frame and a positioning and fixing frame; the positioning and fixing frame includes a clamping component, a ball head structure, a telescopic column and a guide component; one end of the telescopic column is fixedly connected to the guide component, and the other end is movably connected to the clamping component through the ball head structure, and the ball head structure is fixedly installed on the support frame.

2. The positioning puncture stent for clinical ultrasound imaging according to claim 1, characterized in that, The guide assembly includes an L-shaped plate, a rotating frame, and a rotating plate. The L-shaped plate is fixedly connected to the telescopic column. One end of the rotating frame and the rotating plate is rotatably connected to the L-shaped plate. The rotating frame and the rotating plate are placed perpendicularly to each other. A guide cylinder is installed inside the rotating frame and rotatably on the same axis as the rotating plate. The rotation of the rotating frame controls the rotation of the guide cylinder around the Y-axis, and the rotation of the rotating plate controls the rotation of the guide cylinder around the X-axis.

3. The positioning puncture stent for clinical ultrasound imaging according to claim 2, characterized in that, The L-shaped plate contains a Y-worm gear and an X-worm gear, respectively, which are rotatably arranged corresponding to the rotating frame and the rotating plate. The Y-worm gear and the X-worm gear are fixedly connected to the rotating frame and the rotating plate, respectively. The L-shaped plate also has a Y-worm and an X-worm gear that cooperate with the Y-worm gear and the X-worm gear, respectively. Rotating the Y-worm gear drives the Y-worm wheel to rotate, which in turn drives the rotating frame to rotate and causes the guide cylinder to rotate around the Y-axis. Rotating the X-worm gear drives the X-worm wheel to rotate, which in turn drives the rotating plate to rotate and causes the guide cylinder to rotate around the X-axis.

4. The positioning puncture stent for clinical ultrasound imaging according to claim 2, characterized in that, A through groove is formed on the rotating plate, and the guide cylinder passes through the through groove.

5. The positioning puncture stent for clinical ultrasound imaging according to claim 1, characterized in that, The ball head structure includes a ball shell and a ball core. The ball shell is fixedly connected to a telescopic column. A movable opening is provided on the ball shell. The ball core is movably installed inside the ball shell. A short column is fixedly provided on the ball core. The short column extends out of the movable opening and is fixedly connected to the clamping assembly. A locking bolt is provided on the ball shell. By tightening the locking bolt, the ball core is brought into contact with the locking bolt, which restricts the movement of the clamping assembly.

6. The positioning puncture stent for clinical ultrasound imaging according to claim 5, characterized in that, The clamping assembly includes a U-shaped clamping frame, a clamping plate, and a clamping screw. The U-shaped clamping frame is fixedly connected to a short column. The clamping plate is located inside the U-shaped clamping frame, and the clamping screw is threaded through the U-shaped clamping frame and movably connected to the clamping plate. The clamping plate is driven to move by rotating the clamping screw.

7. The positioning puncture stent for clinical ultrasound imaging according to claim 1, characterized in that, The support frame includes a telescopic vertical rod, a telescopic horizontal rod, and a fixing component; the front end of the telescopic horizontal rod is fixedly connected to the spherical shell of the ball head structure; the upper end of the telescopic vertical rod is fixedly connected to the rear end of the telescopic horizontal rod, and the lower end is fixedly connected to the fixing component; both the telescopic vertical rod and the telescopic horizontal rod are cylindrical telescopic rods, and the inner rods of both the telescopic vertical rod and the telescopic horizontal rod can rotate around the axis.

8. The positioning puncture stent for clinical ultrasound imaging according to claim 7, characterized in that, The fixing assembly includes a U-shaped fixing frame, a fixing plate, and fixing bolts. The U-shaped fixing frame is fixedly connected to the lower end of the telescopic vertical rod, the fixing plate is located inside the U-shaped fixing frame, and the fixing bolts are threaded through the U-shaped fixing frame and movably connected to the fixing plate.

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