Ultrasonic probe calibration device

Abstract

The utility model relates to an ultrasonic probe calibration device which comprises a main calibration plate (1), an auxiliary calibration plate (2), a fixing plate (3) and a calibration probe (4). The main calibration plate (1) and the auxiliary calibration plate (2) are oppositely arranged on the fixed plate (3) to form a track for the movement of an ultrasonic probe, the main calibration plate (1) is provided with a slot (101), and the plurality of calibration probes (4) are detachably mounted on the slot (101). Compared with the prior art, the ultrasonic probe calibration device provided by the utility model is quick to operate, high in calibration efficiency, proper in size, simple to install and better in universality, and can be applied to calibration of most types of ultrasonic probes.

Description

Technical Field

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

[0002] Medical ultrasound imaging, as a cheap and real-time imaging examination method, has been widely used in medicine. It has become an important tool in surgical navigation systems, which can significantly reduce the difficulty of surgical operations and reduce surgical trauma. In existing ultrasound-guided surgical navigation systems, due to the wide variety of ultrasound probes and the lack of uniform specifications in appearance, the positions of the added optical reference frame or magnetic positioning device will be inconsistent. Therefore, the ultrasound probe needs to be calibrated after installation, that is, a definite correspondence is established between the position of the added optical reference frame or magnetic positioning device and the ultrasound imaging position.

[0003] The existing ultrasonic probe calibration device mainly uses pure water in an open container, which is large in size and inconvenient to operate. Utility Model Content

[0004] The purpose of the utility model is to provide an ultrasonic probe calibration device with quick operation and high calibration efficiency.

[0005] The purpose of the utility model can be achieved through the following technical solutions: an ultrasonic probe calibration device, including a main calibration plate, a secondary calibration plate, a fixing plate and a calibration probe;

[0006] The main calibration plate and the auxiliary calibration plate are arranged on the fixed plate relatively to form a track for the movement of the ultrasonic probe. The main calibration plate is provided with a slot, and a plurality of calibration probes are detachably mounted on the slot.

[0007] Preferably, the main calibration plate and the auxiliary calibration plate are detachably mounted above the fixed plate, and the spacing between them is adjustable.

[0008] Preferably, the main calibration plate includes a main vertical plate and a main track plate, and the auxiliary calibration plate includes an auxiliary vertical plate and an auxiliary track plate;

[0009] The main vertical plate and the auxiliary vertical plate are vertically and parallelly installed on the fixing plate, the main track plate is arranged on the side of the main vertical plate facing the auxiliary vertical plate, and the auxiliary track plate is arranged on the side of the auxiliary vertical plate facing the main vertical plate.

[0010] Further preferably, the main track plate and the auxiliary track plate are in an inverted U-shaped structure, have the same height, and are lower than the main vertical plate and the auxiliary vertical plate.

[0011] More preferably, the main rail plate and the auxiliary rail plate have the same size, the main vertical plate and the auxiliary vertical plate have the same size, and the main rail plate and the auxiliary rail plate are smaller than the main vertical plate and the auxiliary vertical plate.

[0012] In the utility model, the main track plate and the auxiliary track plate form a track for the movement of the ultrasonic probe, and the main plate and the auxiliary vertical plate can limit the ultrasonic probe, thereby improving the accuracy of calibration.

[0013] Further preferably, a plurality of slots are horizontally opened on the main vertical plate and are arranged at equal intervals in the vertical direction.

[0014] Further preferably, the calibration probe is perpendicular to the main vertical plate.

[0015] Preferably, the calibration probe comprises a probe and a fixing assembly connected to the probe, the probe is arranged between the main calibration plate and the auxiliary calibration plate, and is fixed on the slot by the fixing assembly.

[0016] Further preferably, the fixing assembly comprises bolts, nuts and a barrier ring;

[0017] The barrier ring is arranged between the bolt and the probe, a nut is detachably mounted on the bolt, and the nut and the barrier ring are respectively located at two sides of the slot.

[0018] More preferably, the probe is perpendicular to the barrier ring.

[0019] More preferably, the diameter of the barrier ring is larger than the vertical dimension of the slot and smaller than the horizontal dimension of the slot.

[0020] More preferably, the bolt diameter does not exceed the vertical dimension of the slot, and the nut outer diameter is not less than the vertical dimension of the slot.

[0021] In the utility model, the bolt passes through the slot and is connected with the nut, and the calibration probe is fixed by the nut and the barrier ring.

[0022] Further preferably, the nut is a knurled nut. The knurled design facilitates adjustment of the calibration probe position.

[0023] Preferably, the ultrasonic probe calibration device is placed in a water tank.

[0024] A method for using the ultrasonic probe calibration device comprises the following steps:

[0025] (1) Fixing the ultrasonic probe calibration device in a water tank so that the water in the water tank submerges the calibration device;

[0026] (2) Move the ultrasonic probe along the track formed by the main calibration plate and the auxiliary calibration plate, and obtain the calibration probe tip image through the ultrasonic image.

[0027] Compared with the prior art, the utility model has the following beneficial effects:

[0028] 1. The utility model provides an ultrasonic probe calibration device with quick operation and high calibration efficiency;

[0029] 2. The ultrasonic probe of the utility model collects the arrangement rules of calibration probes in different directions along the track, obtains marking points at different angles, obtains more marking points at one time, is quick to operate, and greatly improves the calibration efficiency;

[0030] 3. The ultrasonic probe calibration device of the utility model has a suitable size, a simple structure and is easy to install;

[0031] 4. The ultrasonic probe calibration device of the utility model can obtain information of different numbers of marking points according to different rules as needed, and quickly complete the calibration of the ultrasonic probe;

[0032] 5. The current main ultrasonic probe calibration method is to use an optical tracking system or an electromagnetic positioning system to scan a customized calibration device using an ultrasonic probe. The ultrasonic probe calibration device of the utility model has good versatility and can be applied to the calibration of most types of ultrasonic probes. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of the ultrasonic probe calibration device of the utility model;

[0034] Figure 2 It is a structural schematic diagram of the main calibration plate of the utility model;

[0035] Figure 3 It is a structural schematic diagram of the auxiliary calibration plate of the utility model;

[0036] Figure 4 This is a schematic diagram of the structure of the probe, bolt and barrier ring of the utility model;

[0037] Figure 5 is a schematic diagram of the structure of a nut;

[0038] In the figure: 1-main calibration plate, 101-slot, 11-main vertical plate, 12-main track plate, 2-auxiliary calibration plate, 21-auxiliary vertical plate, 22-auxiliary track plate, 3-fixing plate, 4-calibration probe, 41-probe, 42-bolt, 43-nut, 44-blocking ring. DETAILED DESCRIPTION

[0039] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0041] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0042] Example 1

[0043] An ultrasonic probe calibration device comprises a main calibration plate 1, a secondary calibration plate 2, a fixing plate 3 and a calibration probe 4.

[0044] The main calibration plate 1 and the auxiliary calibration plate 2 are relatively arranged on the fixed plate 3 to form a track for the movement of the ultrasonic probe. The main calibration plate 1 is provided with a slot 101 , and a plurality of calibration probes 4 are detachably mounted on the slot 101 .

[0045] When the calibration device of this embodiment is used, the ultrasonic probe can move along the track formed by the main calibration plate 1 and the auxiliary calibration plate 2 to collect the arrangement pattern of the calibration probes 4 to complete the calibration of the ultrasonic probe.

[0046] Example 2

[0047] An ultrasonic probe calibration device, a main calibration plate 1 includes a main vertical plate 11 and a main track plate 12, the main vertical plate 11 is provided with a slot 101, a secondary calibration plate 2 includes a secondary vertical plate 21 and a secondary track plate 22, and a calibration probe 4 includes a probe 41, a bolt 42, a nut 43 and a barrier ring 44.

[0048] The main vertical plate 11 is provided with a certain number of slots 101 of the same size that are adapted to the calibration probes. The main vertical plate 11 is provided with an inverted U-shaped main track plate 12 on the side facing the secondary vertical plate 21. The calibration probes 4 can be detachably installed on the slots 101, and the calibration probes 4 are arranged in a certain regular pattern on the slots 101.

[0049] The secondary vertical plate 21 has the same size as the primary vertical plate 11 , and an inverted U-shaped secondary track plate 22 is provided on the side facing the primary vertical plate 11 .

[0050] The probe 41 is vertically connected to the barrier ring 44, the barrier ring 44 is connected to the bolt 42, and a knurled nut 43 is detachably mounted on the bolt 42. The diameter of the barrier ring 44 is larger than the vertical dimension of the slot 101. The bolt 42 passes through the slot 101 and is connected to the knurled nut 43. The knurled nut 43 and the barrier ring 44 are respectively located on both sides of the slot 101, and the probe 41 is fixed to the slot 101 through the cooperation of the two.

[0051] In this embodiment, the main vertical plate 11 and the secondary vertical plate 21 are installed in parallel on the fixed plate 3. By adjusting the arrangement pattern of the gap of the calibration probe 4 in the slot 101, the ultrasonic probe collects the arrangement pattern of the calibration probes in different directions along the track formed by the main track plate 12 and the secondary track plate 22 to complete the calibration of the ultrasonic probe.

[0052] Example 3

[0053] An ultrasonic probe calibration device, such as Figures 1 to 5 As shown, it includes a main calibration plate 1, a secondary calibration plate 2, a fixing plate 3 and a calibration probe 4. The main calibration plate 1 includes a main vertical plate 11 and a main track plate 12, the main vertical plate 11 is provided with a slot 101, the secondary calibration plate 2 includes a secondary vertical plate 21 and a secondary track plate 22, and the calibration probe 4 includes a probe 41, a bolt 42, a nut 43 and a blocking ring 44.

[0054] In this embodiment, the main track plate 12 is spaced the same distance from the edge of the main vertical plate 11 , and the main track plate 12 is perpendicular to the main vertical plate 11 .

[0055] In this embodiment, the auxiliary track plate 22 is spaced the same distance from the edge of the auxiliary vertical plate 21 , and the auxiliary track plate 22 is perpendicular to the auxiliary vertical plate 21 .

[0056] In this embodiment, the main track plate 12 and the auxiliary track plate 22 are installed in parallel, and the spacing can be adjusted according to needs.

[0057] In this embodiment, the probe 41 is perpendicular to the barrier ring 44 .

[0058] In this embodiment, the bolt 42 passes through the slot 101 and is connected to the knurled nut 43 .

[0059] In this embodiment, the main vertical plate 11 and the secondary vertical plate 21 are installed in parallel on the fixed plate 3, and the arrangement pattern of the gap of the calibration probe 4 in the groove 101 is adjusted. The ultrasonic probe collects the arrangement pattern of the calibration probe 4 in different directions along the track formed by the main track plate 12 and the secondary track plate 22 to complete the calibration of the ultrasonic probe.

[0060] The above description of the embodiments is to facilitate the understanding and use of the utility model by those skilled in the art. It is obvious that those familiar with the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the utility model is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the utility model without departing from the scope of the utility model should be within the scope of protection of the utility model.

Claims

1. An ultrasonic probe calibration device, characterized in that: It comprises a main calibration plate (1), a secondary calibration plate (2), a fixing plate (3) and a calibration probe (4); The main calibration plate (1) and the auxiliary calibration plate (2) are arranged on a fixed plate (3) relative to each other to form a track for the movement of the ultrasonic probe. The main calibration plate (1) is provided with a slot (101), and a plurality of calibration probes (4) are detachably mounted on the slot (101).

2. The ultrasonic probe calibration device according to claim 1, characterized in that: The main calibration plate (1) comprises a main vertical plate (11) and a main track plate (12), and the auxiliary calibration plate (2) comprises an auxiliary vertical plate (21) and an auxiliary track plate (22); The main vertical plate (11) and the secondary vertical plate (21) are vertically and parallelly mounted on the fixed plate (3); the main track plate (12) is arranged on a side of the main vertical plate (11) facing the secondary vertical plate (21); and the secondary track plate (22) is arranged on a side of the secondary vertical plate (21) facing the main vertical plate (11).

3. The ultrasonic probe calibration device according to claim 2, characterized in that: The main track plate (12) and the auxiliary track plate (22) are in an inverted U-shaped structure, have the same height, and are lower than the main vertical plate (11) and the auxiliary vertical plate (21).

4. The ultrasonic probe calibration device according to claim 2, characterized in that: A plurality of slots (101) are horizontally opened on the main vertical plate (11) and are arranged at equal intervals in the vertical direction.

5. The ultrasonic probe calibration device according to claim 1, characterized in that: The calibration probe (4) comprises a probe (41) and a fixing assembly connected to the probe (41); the probe (41) is arranged between the main calibration plate (1) and the auxiliary calibration plate (2), and is fixed on the slot (101) via the fixing assembly.

6. The ultrasonic probe calibration device according to claim 5, characterized in that: The fixing assembly comprises a bolt (42), a nut (43) and a barrier ring (44); The barrier ring (44) is arranged between the bolt (42) and the probe (41), and a nut (43) is detachably mounted on the bolt (42), and the nut (43) and the barrier ring (44) are respectively located on both sides of the slot (101).

7. The ultrasonic probe calibration device according to claim 6, characterized in that: The diameter of the barrier ring (44) is larger than the vertical dimension of the slot (101) and smaller than the horizontal dimension of the slot (101).

8. The ultrasonic probe calibration device according to claim 6, characterized in that: The diameter of the bolt (42) does not exceed the vertical dimension of the slot (101), and the outer diameter of the nut (43) is not less than the vertical dimension of the slot (101).

9. The ultrasonic probe calibration device according to claim 6, characterized in that: The nut (43) is a knurled nut.

10. The ultrasonic probe calibration device according to claim 1, characterized in that: The ultrasonic probe calibration device is placed in a water tank.

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