阅读说明：本技术 一种血管内超声设备穿透深度的测试工具 (Testing tool for penetration depth of intravascular ultrasonic equipment ) 是由 薛双双 赵士勇 于 2021-09-29 设计创作，主要内容包括：本发明公开了一种血管内超声设备穿透深度的测试工具,包括箱体、位于箱体内的反射装置、固定装置以及驱动装置；导管能够被固定在所述固定装置上,并且导管的换能器部分能够插入至箱体内；所述反射装置用于反射超声波；所述驱动装置用于调节固定装置与箱体的相对位置从而使换能器部分靠近或远离所述反射装置。采用上述技术方案,本发明的血管内超声设备穿透深度的测试工具,能够对血管内超声设备的穿透深度进行量化测量,并且操作较为简单,测试成本低,使用方便。(The invention discloses a test tool for the penetration depth of intravascular ultrasonic equipment, which comprises a box body, a reflecting device, a fixing device and a driving device, wherein the reflecting device, the fixing device and the driving device are positioned in the box body; the catheter can be fixed on the fixing device, and the transducer part of the catheter can be inserted into the box body; the reflecting device is used for reflecting ultrasonic waves; the driving device is used for adjusting the relative position of the fixing device and the box body so as to enable the transducer part to be close to or far away from the reflecting device. By adopting the technical scheme, the test tool for the penetration depth of the intravascular ultrasonic equipment can quantitatively measure the penetration depth of the intravascular ultrasonic equipment, and is simple to operate, low in test cost and convenient to use.)

1. A test tool for the penetration depth of an intravascular ultrasound device, comprising: comprises a reflecting device, a fixing device and a driving device; the catheter can be fixed to the fixture and the transducer portion of the catheter can be proximate to the reflecting means; the reflecting device is used for reflecting ultrasonic waves; the drive means is arranged to adjust the relative position of the fixing means and the reflecting means so as to move the transducer portion towards or away from the reflecting means.

2. The tool for testing the penetration depth of an intravascular ultrasound device of claim 1, wherein: the intravascular ultrasound device penetration depth testing tool further comprises a coarse adjustment assembly for adjusting the transducer portion to a position proximate to the reflecting device; the coarse adjustment assembly comprises an X-axis adjustment mechanism, a Y-axis adjustment mechanism and a Z-axis adjustment mechanism which are respectively used for adjusting the position of the transducer part in the transverse direction, the longitudinal direction and the vertical direction.

3. The tool for testing the penetration depth of an intravascular ultrasound device of claim 2, wherein: the X-axis adjusting mechanism comprises an X-axis guide rod, the X-axis guide rod is installed in a guide hole of the X-axis installation seat, and an X-axis locking bolt used for locking the X-axis guide rod is arranged on the X-axis installation seat.

4. The tool for testing the penetration depth of an intravascular ultrasound device of claim 3, wherein: the Y-axis adjusting mechanism comprises a swinging piece connected to the X-axis guide rod through a first shaft, the first shaft is vertically arranged, and the swinging piece can rotate around the first shaft relative to the X-axis guide rod.

5. The tool for testing the penetration depth of an intravascular ultrasound device of claim 4, wherein: the Z-axis adjusting mechanism comprises a Z-axis sliding rail, the X-axis mounting seat is arranged on a Z-axis sliding block, the Z-axis sliding block is arranged on the Z-axis sliding rail, and a Z-axis locking bolt capable of locking the Z-axis sliding block on the Z-axis sliding rail is arranged on the Z-axis sliding block.

6. The tool for testing the penetration depth of an intravascular ultrasound device of claim 2, wherein: the coarse adjustment assembly further includes a tilt angle adjustment mechanism for adjusting the tilt angle of the conduit.

7. The tool for testing the penetration depth of an intravascular ultrasound device of claim 6, wherein: the dip angle adjusting mechanism comprises a universal ball and a universal ball seat, the guide pipe is relatively fixed with the universal ball, and the universal ball is located in the universal ball seat.

8. The tool for testing the penetration depth of an intravascular ultrasound device of claim 7, wherein: the inclination angle adjusting mechanism comprises a spring clamp, and the universal ball seat is formed at the chuck part of the spring clamp.

9. The tool for testing the penetration depth of an intravascular ultrasound device of claim 7, wherein: the universal ball is fixed with a connecting rod, a conduit clamping piece is arranged on the connecting rod, and the conduit clamping piece forms the fixing device.

10. The tool for testing the penetration depth of an ultrasound device in a blood vessel of any of claims 1 to 8, wherein: the reflection device is located on a base, the base is located on a first guide seat, an arc-shaped guide rail is arranged at the upper end of the first guide seat, a first screw rod is arranged on the first guide seat, an arc-shaped guide strip is arranged at the bottom end of the base, and threads matched with the first screw rod are arranged on the guide strip.

11. The tool for testing the penetration depth of an intravascular ultrasound device of claim 10, wherein: the first guide seat is installed on the second guide seat, the driving device comprises a second lead screw arranged on the second guide seat and a nut located on the second lead screw, and the first guide seat is fixed with the nut.

12. The tool for testing the penetration depth of an ultrasound device in a blood vessel of any of claims 1 to 8, wherein: the reflecting device is arranged in a box body, and the box body is used for containing the ultrasonic medium.

Technical Field

The invention relates to a tool for testing the penetration depth of intravascular ultrasonic equipment, and belongs to the technical field of medical instruments.

Background

With the increasingly wide application range of diagnosis, guidance and treatment of the ultrasonic equipment, the requirements on various performance indexes of the ultrasonic equipment are gradually increased, and the penetration depth of the intravascular ultrasonic equipment directly influences the accuracy of judgment of intravascular and vascular wall lesions by a doctor and the correctness of guidance in the treatment process, so that the requirements on the penetration depth of the ultrasonic equipment are higher and higher, and a simple, accurate and quantifiable testing tool and method for measuring the penetration depth of the ultrasonic equipment are needed. The penetration depth of the existing ultrasonic equipment is subjectively judged by visual images, or the testing method is complex and is not easy to realize, no quantitative tool and method are used for measuring the penetration depth of the ultrasonic equipment, the penetration depth of the equipment cannot be accurately measured, and due to the small penetration depth, some potential lesions can be ignored, and the diagnosis and treatment of doctors are directly influenced.

Disclosure of Invention

Therefore, the present invention is directed to provide a tool for testing the penetration depth of an intravascular ultrasound device, which can test the penetration depth of the intravascular ultrasound device more conveniently and quickly.

In order to achieve the above object, the present invention provides a tool for testing the penetration depth of an intravascular ultrasound device, comprising a reflection device, a fixing device and a driving device; the catheter can be fixed to the fixture and the transducer portion of the catheter can be proximate to the reflecting means; the reflecting device is used for reflecting ultrasonic waves; the drive means is arranged to adjust the relative position of the fixing means and the reflecting means so as to move the transducer portion towards or away from the reflecting means.

The intravascular ultrasound device penetration depth testing tool further includes a coarse adjustment assembly for adjusting the transducer portion to a position proximate the reflecting device.

The coarse adjustment assembly comprises an X-axis adjustment mechanism, a Y-axis adjustment mechanism and a Z-axis adjustment mechanism which are respectively used for adjusting the position of the transducer part in the transverse direction, the longitudinal direction and the vertical direction.

The X-axis adjusting mechanism comprises an X-axis guide rod, the X-axis guide rod is installed in a guide hole of the X-axis installation seat, and an X-axis locking bolt used for locking the X-axis guide rod is arranged on the X-axis installation seat.

The Y-axis adjusting mechanism comprises a swinging piece connected to the X-axis guide rod through a first shaft, the first shaft is vertically arranged, and the swinging piece can rotate around the first shaft relative to the X-axis guide rod.

The Z-axis adjusting mechanism comprises a Z-axis sliding rail, the X-axis mounting seat is arranged on a Z-axis sliding block, the Z-axis sliding block is arranged on the Z-axis sliding rail, and a Z-axis locking bolt capable of locking the Z-axis sliding block on the Z-axis sliding rail is arranged on the Z-axis sliding block.

The coarse adjustment assembly further includes a tilt angle adjustment mechanism for adjusting the tilt angle of the conduit.

The dip angle adjusting mechanism comprises a universal ball and a universal ball seat, the guide pipe is relatively fixed with the universal ball, and the universal ball is located in the universal ball seat.

The inclination angle adjusting mechanism comprises a spring clamp, and the universal ball seat is formed at the chuck part of the spring clamp.

The universal ball is fixed with a connecting rod, a conduit clamping piece is arranged on the connecting rod, and the conduit clamping piece forms the fixing device.

The reflection device is located on a base, the base is located on a first guide seat, an arc-shaped guide rail is arranged at the upper end of the first guide seat, a first screw rod is arranged on the first guide seat, an arc-shaped guide strip is arranged at the bottom end of the base, and threads matched with the first screw rod are arranged on the guide strip.

The first guide seat is installed on the second guide seat, the driving device comprises a second lead screw arranged on the second guide seat and a nut located on the second lead screw, and the first guide seat is fixed with the nut.

The reflecting device is arranged in a box body, and the box body is used for containing the ultrasonic medium.

By adopting the technical scheme, the test tool for the penetration depth of the intravascular ultrasonic equipment can quantitatively measure the penetration depth of the intravascular ultrasonic equipment, and is simple to operate, low in test cost and convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an exploded view of the assembly structure of the base, the first guide seat and the second guide seat.

Fig. 4 is a schematic view of the base and the first guide seat.

Fig. 5 is a schematic diagram of a coarse tuning assembly.

Fig. 6 is an exploded schematic view of the recliner mechanism.

Fig. 7 is another angle view of fig. 6.

Detailed Description

The invention is described in further detail below with reference to the figures and the detailed description.

As shown in figure 1, the test tool for the penetration depth of the intravascular ultrasonic equipment comprises a bottom plate 1, a coarse adjustment assembly 2 arranged on the bottom plate 1 and a box body 3 which is arranged separately from the coarse adjustment assembly 2. In the tank 3, a reflection device 4 capable of reflecting device ultrasonic waves, such as a quartz plate, is provided, and an ultrasonic medium, such as water or oil, is also provided. The coarse adjustment assembly 2 is provided with a fixing device 6 for fixing a catheter 5, a transducer portion of the catheter 5 can be inserted into the box 3, and the coarse adjustment assembly 2 is used for adjusting the transducer portion to a position close to the reflection device 4.

The housing 3 is mounted on drive means which is capable of adjusting the relative position of the fixing means 6 and the housing 3 so as to bring the transducer portion of the catheter closer to or further from the reflecting means 4.

As shown in fig. 5-7, in the present embodiment, coarse adjustment assembly 2 includes an X-axis adjustment mechanism, a Y-axis adjustment mechanism, and a Z-axis adjustment mechanism for adjusting the position of the transducer portion in the lateral, longitudinal, and vertical directions, respectively.

The X-axis adjusting mechanism comprises an X-axis guide rod 211, the X-axis guide rod 211 is installed in a guide hole of an X-axis installation seat 212, and an X-axis locking bolt 213 used for locking the X-axis guide rod 211 is arranged on the X-axis installation seat 212.

The Y-axis adjusting mechanism includes a swinging member 222 connected to the X-axis guide 211 through a first shaft 221, the first shaft 221 is vertically disposed, and the swinging member 222 is capable of rotating around the first shaft 221 relative to the X-axis guide 211.

The Z-axis adjusting mechanism comprises a Z-axis slide rail 231, the X-axis mounting base 212 is arranged on a Z-axis slide block 232, the Z-axis slide block 232 is arranged on the Z-axis slide rail 231, and a Z-axis locking bolt 233 capable of locking the Z-axis slide block 232 on the Z-axis slide rail 231 is arranged on the Z-axis slide block 232.

As a refinement, coarse adjustment assembly 2 further includes a tilt adjustment mechanism for adjusting the tilt of the catheter.

The reclining mechanism includes a spring clip 241 and a universal ball 242, and the spring clip 241 is mounted to the swing member 222 through the second shaft 223. The collet portion of the spring clip 241 forms a universal ball seat 241a, and the universal ball 242 is clamped in the universal ball seat 241a and is clamped by the spring clip 241, but when the angle needs to be adjusted, the other end of the spring clip 241 is pressed to open the universal ball seat 241 a.

A connecting rod 243 is fixed on the universal ball 242, the fixing device 6 is arranged on the connecting rod 243, and the fixing device 6 is a conduit clamping piece.

As shown in fig. 2 to 4, the box 3 is mounted on a base 7, and the base 7 is located on a first guide seat 8. The first guide seat 8 includes a guide portion 81 located at an upper portion and a mounting portion 82 located at a lower portion, and the guide portion 81 and the mounting portion 82 are fixedly connected by a bolt. An arc-shaped guide rail 811 is arranged at the upper end of the guide part 81, a first screw rod 812 is further arranged on the guide part 81, an arc-shaped guide bar 71 is arranged at the bottom end of the base 7, and a thread 711 matched with the first screw rod 812 is arranged on the guide bar 71. The guide bar 71 can be driven to move by rotating the first screw 812, so that the base 7 is driven to move along the arc-shaped guide rail 811 relative to the guide part 81, the angle of the reflecting device 4 in the box 3 can be finely adjusted, and the ultrasonic wave can be perpendicular to the reflecting surface of the reflecting device 4 as much as possible.

The mounting portion 82 is mounted on the second guide seat 9, the driving device includes a second lead screw 91 disposed on the second guide seat 9 and a nut (not shown in the figure) disposed on the second lead screw 91, and the mounting portion 82 is fixed to the nut. The nut can be driven to move by adjusting the second lead screw 91, so that the mounting portion 82 is driven to move together.

During testing, the catheter of the intravascular ultrasound device is fixed through the fixing device 6, so that the transducer part at the front end of the catheter is just immersed in the reflecting medium oil in the box body 3 (the attenuation of ultrasonic waves in the oil is far greater than that of water), echo signals can be seen on an image of the ultrasound device through reflection of the strong reflecting surface of the quartz plate, the transducer at the front end of the catheter is parallel to the quartz block by adjusting X, Y, Z three axial degrees of freedom and the inclination angle of the tool, the echo signals are strongest at the moment, the transducer is gradually far away from the quartz plate and collects data by adjusting the second screw rod 91 for subsequent Matlab analysis, the gray value of the image at each scanning distance is obtained until the image cannot be observed, and the curve of the signal gray value attenuated along with the depth is made to quantify the penetration depth.

By adopting the technical scheme, the test tool for the penetration depth of the intravascular ultrasonic equipment can quantitatively measure the penetration depth of the intravascular ultrasonic equipment, and is simple to operate, low in test cost and convenient to use.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.