Ultrasonic scanning positioner for thyroid gland

By designing a thyroid ultrasonic scanning positioner including a fixing plate, an upper arc ring, a lower arc groove, a scanning assembly, a winding wheel, a traction rope, a driving gear and a limit block, the detection is easily missed by novice doctors in the prior art. The problem of the site has achieved complete and high-quality detection of the thyroid gland.

CN119498893APending Publication Date: 2025-02-25XIANGYA HOSPITAL CENT SOUTH UNIV
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Patent Information

Application Number
CN202411575975.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

The existing thyroid ultrasound scanning locators cannot meet the needs in actual use. Novice doctors are prone to miss some testing areas during testing, which affects the patient's disease prevention.

Method used

A thyroid ultrasonic scanning positioner is designed, including fixing plate, upper arc ring, lower arc groove, scanning assembly, winding wheel, traction rope, drive gear and limit block, etc. Through the cooperation of these components, the probe is realized. Round and fro movement and stability of the fixation plate ensure complete detection of the thyroid.

Benefits of technology

It improves the quality of the test, reduces the situation where no scans are in place during the test, ensures complete detection of the thyroid, and improves the patient's disease prevention effect.

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Abstract

The invention discloses a thyroid ultrasonic scanning positioner, and relates to the technical field of medical equipment. The invention relates to a thyroid gland ultrasonic scanning positioner which comprises a first fixing plate, a second fixing plate is arranged below the first fixing plate, an upper arc ring is arranged on the first fixing plate, and a scanning assembly used for scanning the thyroid gland is arranged in the upper arc ring. The effect of driving the probe to move back and forth is achieved through cooperation of a winding wheel, a traction rope, a driving gear and other assemblies, the situation that scanning is not in place during detection is reduced, in addition, through arrangement of a limiting block, driving teeth can only rotate in one direction, and when a driving plate is engaged with the driving gear to rotate towards one side, the driving teeth cannot rotate; when the driving plate moves towards the other side, the driving teeth on the opposite side can automatically rotate and cannot be meshed with the corresponding driving gear to rotate, and when the driving teeth are disengaged from the meshing area, the driving teeth can reset under the action of the limiting torsional spring.
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Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, and in particular to a thyroid ultrasound scanning locator. Background Art

[0002] The thyroid gland is the largest endocrine organ in the human body. Its main function is to secrete and synthesize thyroid hormones T3, T4 and calcitonin. These hormones are essential for maintaining the body's metabolism, growth and development and other physiological processes. The thyroid gland is located in the front of the neck and is shaped like a butterfly. It consists of two lateral lobes and an isthmus. In order to prevent the occurrence of thyroid diseases, the thyroid gland needs to be checked regularly. Most existing thyroid ultrasound scans require medical staff to place the probe on the front of the patient's neck and slide it back and forth to capture and record the image of the thyroid gland. However, this relies on the clinical experience of medical staff. Novice doctors are very likely to miss some test sites during testing, affecting the patient's disease prevention.

[0003] Therefore, the existing thyroid ultrasound scanning locator cannot meet the needs in actual use, so there is an urgent need for improved technology in the market to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a thyroid ultrasound scanning locator to solve the problems raised in the above-mentioned background technology.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a thyroid ultrasound scanning locator, comprising a fixing plate 1, a fixing plate 2 is arranged below the fixing plate 1, an upper arc ring is arranged on the fixing plate 1, and a lower arc groove corresponding to the upper arc ring is arranged on the fixing plate 2, a positioning component for adjusting the gap between the fixing plate 1 and the fixing plate 2 is arranged between the fixing plate 1 and the fixing plate 2, a scanning component for scanning the thyroid gland is arranged in the upper arc ring, the scanning component comprises a sliding groove opened in the upper arc ring, a sliding block is slidably installed in the sliding groove, and a probe fixedly connected to the sliding block is arranged on the inner side of the upper arc ring.

[0007] Furthermore, the fixed plate 1 is provided with two operating chambers, and a winding wheel is rotatably installed in each operating chamber, and a traction rope having one end fixedly connected to the sliding block is wound around the outside of the winding wheel;

[0008] Furthermore, a transmission cavity is provided in the second fixing plate, and a driving gear is rotatably installed in the transmission cavity, and a transmission tooth groove is provided in the middle of the driving gear, and the transmission tooth groove meshes with a transmission gear fixed coaxially with the winding wheel on the right side;

[0009] Furthermore, a driving motor is also provided in the transmission cavity, a driving disc is coaxially fixed to the output end of the driving motor, and a driving connecting rod is eccentrically hinged at the lower part of the driving disc, a driving plate slidably connected to the transmission cavity is rotatably mounted at one end of the driving connecting rod, and a driving tooth meshing with the driving gear is provided on the driving plate;

[0010] Furthermore, the driving teeth are rotatably connected to the driving plate, and the rotating end is provided with a limit block that contacts the driving plate and a limit torsion spring that is fixed to the driving plate;

[0011] Further, the positioning assembly includes a positioning groove opened in the fixing plate 1, a positioning bolt passing through the positioning groove is provided on the side of the fixing plate 2 close to the fixing plate 2, a positioning collar is provided in the positioning groove and sleeved on the surface of the positioning collar, and a lug is provided on the outside of the positioning collar;

[0012] Furthermore, a plurality of support grooves are provided in the lower arc groove, and a support rod is slidably installed in the support groove, and a support spring fixedly connected to the support groove is provided at one end of the support rod;

[0013] Furthermore, a rubber sleeve is provided at one end of the support rod away from the support groove;

[0014] Furthermore, any of the support rods is provided with a signaling inclined groove, and a signaling rod is abutted inside the signaling inclined groove, and one end of the signaling rod passes through the second fixing plate, and a signaling spring is sleeved on the signaling rod and abuts against the second fixing plate.

[0015] The present invention has the following beneficial effects:

[0016] The present invention realizes the detection of the thyroid gland in the patient's neck by setting up a scanning component, and utilizes the cooperation of components such as a winding wheel, a traction rope and a driving gear to achieve the effect of driving the probe to move back and forth, thereby reducing the situation where the scanning is not in place during detection and improving the detection quality. In addition, the setting of the limit block makes the driving teeth only rotate in one direction. When the driving plate engages with the driving gear to one side and rotates, the driving teeth will not rotate. When the driving plate moves to the other side, the driving teeth on the opposite side will automatically rotate and will not engage with the corresponding driving gear. When it leaves the meshing area, it will reset under the action of the limit torsion spring and wait for the next meshing.

[0017] The present invention can fix the fixing plate one and the fixing plate two together through the cooperation between the positioning bolt and the positioning ring, thereby reducing the probability of movement of the patient's neck and improving the quality of the patient's thyroid detection. At the same time, the setting of the support spring is utilized to absorb the gravity of the patient's neck, reduce the reaction force of the support rod on the patient's neck, and improve the patient's thyroid detection experience. In addition, the cooperation of the schematic inclined groove, the schematic rod and other components can prevent the fixing plate one and the fixing plate two from shrinking too tightly and crushing the patient, thereby increasing the protection for the patient.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0021] Figure 2 It is a front cross-sectional view of the present invention;

[0022] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0023] Figure 4 It is a side sectional view of the present invention;

[0024] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of the middle B area;

[0025] Figure 6 It is a top cross-sectional view of the present invention;

[0026] Figure 7 for Figure 6 Schematic diagram of the enlarged structure of the middle C area.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1. Fixing plate 1; 2. Fixing plate 2; 3. Upper arc ring; 4. Lower arc groove; 5. Scanning assembly; 51. Sliding groove; 52. Sliding block; 53. Probe; 54. Winding wheel; 55. Traction rope; 56. Transmission gear; 57. Driving gear; 58. Transmission tooth groove; 59. Driving plate; 510. Driving motor; 511. Driving disc; 512. Driving connecting rod; 513. Driving teeth; 514. Limiting block; 515. Limiting torsion spring; 6. Positioning assembly; 61. Positioning groove; 62. Positioning bolt; 63. Positioning collar; 64. Supporting groove; 65. Supporting spring; 66. Supporting rod; 67. Rubber sleeve; 68. Schematic inclined groove; 69. Schematic rod; 610. Schematic spring. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] Example 1

[0031] See also Figure 1-7 As shown, this embodiment is a thyroid ultrasound scanning locator, including a fixing plate 1, a fixing plate 2 is provided below the fixing plate 1, an upper arc ring 3 is provided on the fixing plate 1, and a lower arc groove 4 corresponding to the upper arc ring 3 is provided on the fixing plate 2, a positioning component 6 for adjusting the gap between the fixing plate 1 and the fixing plate 2 is provided between the fixing plate 1 and the fixing plate 2, and a scanning component 5 for scanning the thyroid is provided in the upper arc ring 3; when the device is used, the patient's neck is first placed in the lower arc groove 4 on the fixing plate 2, and then the fixing plate 1 is sleeved thereon so that the upper arc ring 3 thereon is aligned with the patient's neck, and then the fixing plate 1 and the fixing plate 2 are fixed together by the positioning component 6 to prevent the patient's neck from rotating during the detection process, thereby affecting the detection of the patient's thyroid, and finally the scanning component 5 provided on the upper arc ring 3 is used to detect the thyroid of the patient's neck. The scanning component 5 includes a sliding groove 51 opened in the upper arc ring 3, a sliding block 52 is slidably installed in the sliding groove 51, and a probe 53 fixed to the sliding block 52 is provided on the inner side of the upper arc ring 3. In this embodiment, by driving the sliding block 52 to move in the sliding groove 51, the function of driving the probe 53 to move is achieved, thereby realizing the effect of detecting the thyroid gland.

[0032] Two operating chambers are provided in the fixed plate 1, and a winding wheel 54 is rotatably installed in each operating chamber, and a traction rope 55 having one end fixed to the sliding block 52 is wound around the outside of the winding wheel 54. The winding wheels 54 in the two operating chambers rotate staggeredly, so that the traction rope 55 can be retracted and released, and the traction rope 55 is wound around the winding wheel 54 to drive the probe 53 to move back and forth, thereby reducing the situation where the scanning is not in place during detection and improving the detection quality.

[0033] A transmission cavity is provided in the fixed plate 2, and a driving gear 57 is rotatably mounted in the transmission cavity, and a transmission tooth groove 58 is provided in the middle of the driving gear 57, and the transmission tooth groove 58 meshes with the transmission gear 56 coaxially fixed to the right side with the winding wheel 54. Since the transmission tooth groove 58 provided in the driving gear 57 meshes with the transmission gear 56, and since the transmission gear 56 is coaxially fixed to the winding wheel 54, the rotation of the driving gear 57 can be controlled to drive the transmission gear 56 to rotate by utilizing the tooth meshing, thereby realizing the function of controlling the rotation of the winding wheel 54.

[0034] A driving motor 510 is also provided in the transmission cavity. A driving disc 511 is coaxially fixed to the output end of the driving motor 510. A driving connecting rod 512 is eccentrically hinged at the lower part of the driving disc 511. A driving plate 59 slidably connected to the transmission cavity is rotatably mounted at one end of the driving connecting rod 512. The driving plate 59 is provided with driving teeth 513 meshing with the driving gear 57. In this embodiment, the driving disc 511 can be driven to rotate by controlling the operation of the driving motor 510. Since the driving connecting rod 512 is eccentrically hinged at the lower part of the driving disc 511, when the driving disc 511 rotates, the driving plate 59 can be driven to perform reciprocating linear motion in the transmission cavity through the driving connecting rod 512. At this time, the driving teeth 513 provided on the driving plate 59 will drive the driving gear 57 to rotate by meshing with the driving gear 57.

[0035] The driving teeth 513 are rotatably connected to the driving plate 59, and the rotating end is provided with a limit block 514 that contacts the driving plate 59 and a limit torsion spring 515 that is fixed to the driving plate 59. The setting of the limit block 514 allows the driving teeth 513 to rotate in only one direction. When the driving plate 59 rotates to one side to engage the driving gear 57, the driving teeth 513 will not rotate. When the driving plate 59 moves to the other side, the driving teeth 513 on the opposite side will automatically rotate and will not engage the corresponding driving gear 57. When it leaves the meshing area, it will be reset under the action of the limit torsion spring 515 and wait for the next meshing.

[0036] During use, the scanning component 5 is provided to detect the thyroid gland in the patient's neck, and the winding wheel 54, the traction rope 55, the driving gear 57 and other components cooperate to drive the probe 53 to move back and forth, thereby reducing the situation where the scanning is not in place during detection and improving the detection quality. In addition, the setting of the limit block 514 makes the driving tooth 513 only rotate in one direction. When the driving plate 59 engages the driving gear 57 to rotate to one side, the driving tooth 513 will not rotate. When the driving plate 59 moves to the other side, the driving tooth 513 on the opposite side will automatically rotate and will not engage the corresponding driving gear 57 to rotate. When it leaves the meshing area, it will be reset under the action of the limit torsion spring 515 and wait for the next meshing.

[0037] Example 2

[0038] See also Figure 1-7As shown, this embodiment is a thyroid ultrasound scanning locator, the positioning assembly 6 includes a positioning groove 61 opened in the fixing plate 1, a positioning bolt 62 penetrating the positioning groove 61 is provided on the side of the fixing plate 2 near the fixing plate 2, and a positioning collar 63 sleeved on the surface of the positioning bolt 62 is provided in the positioning groove 61, and a lug is provided on the outside of the positioning collar 63. During installation, one end of the positioning bolt 62 can be inserted into the positioning groove 61, and then the positioning collar 63 is tightened through the lug, so that the fixing plate 1 and the fixing plate 2 are fixed together, reducing the probability of the patient's neck moving and improving the quality of the patient's thyroid detection.

[0039] A plurality of support grooves 64 are provided in the lower arc groove 4, and a support rod 66 is slidably installed in the support groove 64, and a support spring 65 fixedly connected to the support groove 64 is provided at one end of the support rod 66. The setting of the support rod 66 can play a lifting effect on the lower part of the patient's neck, and the support spring 65 arranged between the support rod 66 and the support groove 64 can absorb the gravity of the patient's neck by contracting itself, thereby reducing the reaction force of the support rod 66 on the patient's neck and improving the patient's experience of thyroid detection.

[0040] A rubber sleeve 67 is provided at one end of the support rod 66 away from the support groove 64. The rubber sleeve 67 is made of elastic material, which can relieve the pressure on the patient's neck, avoid secondary injury to the patient's neck, and improve the protection of the patient.

[0041] Any support rod 66 is provided with a signaling inclined groove 68, and a signaling rod 69 is in contact with the inside of the signaling inclined groove 68, and one end of the signaling rod 69 passes through the fixed plate 2, and a signaling spring 610 is sleeved on the signaling rod 69 to contact the fixed plate 2. After tightening the positioning collar 63, the distance between the fixed plate 1 and the fixed plate 2 will slowly decrease, and it will also drive the patient's neck to squeeze the support rod 66 and move downward. Under normal conditions, the signaling rod 69 shrinks in the fixed plate 2. When the support rod 66 moves downward, the signaling inclined groove 68 on it will squeeze the signaling rod 69 to move outward. When the medical staff observes that the signaling rod 69 is protruding, they can stop tightening the positioning collar 63 to avoid crushing the patient's neck. After the detection is completed, the fixed plate 1 and the fixed plate 2 are separated, and the signaling rod 69 can be reset under the action of the signaling spring 610, waiting for the next use.

[0042] When in use, the fixing plate 1 and the fixing plate 2 2 can be fixed together through the cooperation between the positioning bolt 62 and the positioning ring 63, thereby reducing the probability of movement of the patient's neck and improving the quality of the patient's thyroid detection. At the same time, the setting of the support spring 65 can achieve the effect of absorbing the gravity of the patient's neck, reducing the reaction force of the support rod 66 on the patient's neck, and improving the patient's thyroid detection experience. In addition, the cooperation of components such as the schematic bevel groove 68 and the schematic rod 69 can prevent the fixing plate 1 and the fixing plate 2 2 from shrinking too tightly and crushing the patient, thereby increasing the protection of the patient.

[0043] How it works

[0044] When the device is used, the patient's neck is first placed in the lower arc groove 4 on the fixing plate 2, and then the fixing plate 1 is sleeved thereon so that the upper arc ring 3 thereon is aligned with the patient's neck. Then, the fixing plate 1 and the fixing plate 2 are fixed together by the positioning component 6 to prevent the patient's neck from rotating during the detection process, thereby affecting the detection of the patient's thyroid gland. Finally, the scanning component 5 arranged on the upper arc ring 3 is used to detect the thyroid gland of the patient's neck. The scanning component 5 includes a sliding groove 51 provided in the upper arc ring 3, a sliding block 52 is slidably installed in the sliding groove 51, and a probe 53 fixed to the sliding block 52 is provided on the inner side of the upper arc ring 3. In this embodiment, by driving the sliding block 52 to move in the sliding groove 51, the function of driving the probe 53 to move is achieved, and the effect of detecting the thyroid gland is achieved. The winding wheels 54 in the two operating chambers rotate in an staggered manner, so that the traction rope 55 can be retracted and released. By winding the traction rope 55 on the winding wheel 54, the effect of driving the probe 53 to move back and forth is achieved, which reduces the situation where the scanning is not in place during the detection and improves the detection quality. Since the transmission tooth groove 58 arranged in the driving gear 57 is meshed with the transmission gear 56, and since the transmission gear 56 is coaxially fixed with the winding wheel 54, the rotation of the driving gear 57 can be controlled, and the transmission gear 56 can be driven to rotate by utilizing the tooth meshing, thereby realizing the function of controlling the rotation of the winding wheel 54. In this embodiment, the driving disc 511 can be driven to rotate by controlling the operation of the driving motor 510. Since the driving disc 511 is eccentrically hinged with a driving connecting rod 512 at the lower part, when the driving disc 511 rotates, the driving plate 59 can be driven to make reciprocating linear motion in the transmission cavity through the driving connecting rod 512. At this time, the driving teeth 513 arranged on the driving plate 59 will drive the driving gear 57 to rotate by meshing with the driving gear 57. The setting of the limit block 514 allows the driving teeth 513 to rotate only in one direction. When the driving plate 59 meshes with the driving gear 57 to rotate to one side, the driving teeth 513 will not rotate. When the driving plate 59 moves to the other side, the driving teeth 513 on the opposite side will automatically rotate and will not mesh with the corresponding driving gear 57 to rotate. When it is out of the meshing area, it will be reset under the action of the limit torsion spring 515 and wait for the next meshing. During installation, one end of the positioning bolt 62 can be inserted into the positioning groove 61, and then the positioning collar 63 is tightened through the lug, so that the fixing plate 1 and the fixing plate 2 2 are fixed together, reducing the probability of the patient's neck moving and improving the quality of the patient's thyroid detection. The setting of the support rod 66 can play a lifting effect on the lower part of the patient's neck. The support spring 65 set between it and the support groove 64 can achieve the effect of absorbing the patient's neck gravity by shrinking itself, reducing the reaction force of the support rod 66 on the patient's neck and improving the patient's thyroid detection experience.After tightening the positioning collar 63, the distance between the fixing plate 1 and the fixing plate 2 will slowly decrease, and the patient's neck will be driven to squeeze the support rod 66 and move downward. Under normal conditions, the indicator rod 69 is retracted in the fixing plate 2. When the support rod 66 moves downward, the indicator inclined groove 68 thereon will squeeze the indicator rod 69 to move outward. When the medical staff observes that the indicator rod 69 is protruding, they can stop tightening the positioning collar 63 to avoid crushing the patient's neck. After the detection is completed, the fixing plate 1 and the fixing plate 2 are separated, and the indicator rod 69 can be reset under the action of the indicator spring 610, waiting for the next use.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0046] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A thyroid ultrasound scanning locator, characterized in that: The device comprises a fixing plate 1 (1), a fixing plate 2 (2) being arranged below the fixing plate 1 (1), an upper arc ring (3) being arranged on the fixing plate 1 (1), and a lower arc groove (4) corresponding to the upper arc ring (3) being arranged on the fixing plate 2 (2), a positioning component (6) for adjusting the gap between the fixing plate 1 (1) and the fixing plate 2 (2) being arranged between the fixing plate 1 (1) and the fixing plate 2 (2), and a scanning component (5) for scanning the thyroid gland being arranged in the upper arc ring (3); The scanning assembly (5) comprises a sliding groove (51) provided in the upper arc ring (3), a sliding block (52) being slidably mounted in the sliding groove (51), and a probe (53) fixedly connected to the sliding block (52) is provided on the inner side of the upper arc ring (3).

2. A thyroid ultrasound scanning locator according to claim 1, characterized in that: The fixed plate (1) is provided with two operating chambers, and a winding wheel (54) is rotatably installed in each operating chamber, and a traction rope (55) having one end fixedly connected to the sliding block (52) is wound around the outside of the winding wheel (54).

3. A thyroid ultrasound scanning locator according to claim 2, characterized in that: The second fixing plate (2) is provided with a transmission cavity, and a driving gear (57) is rotatably mounted in the transmission cavity. A transmission tooth groove (58) is provided in the middle of the driving gear (57), and the transmission tooth groove (58) meshes with a transmission gear (56) coaxially fixed to the winding wheel (54) on the right.

4. A thyroid ultrasound scanning locator according to claim 3, characterized in that: A driving motor (510) is also provided in the transmission cavity, a driving disc (511) is coaxially fixed to the output end of the driving motor (510), and a driving connecting rod (512) is eccentrically hinged at the lower part of the driving disc (511).

5. A thyroid ultrasound scanning locator according to claim 4, characterized in that: A driving plate (59) slidably connected to the transmission cavity is rotatably mounted on one end of the driving connecting rod (512), and a driving tooth (513) meshing with the driving gear (57) is provided on the driving plate (59).

6. A thyroid ultrasound scanning locator according to claim 5, characterized in that: The driving teeth (513) are rotatably connected to the driving plate (59), and a limiting block (514) abutting against the driving plate (59) and a limiting torsion spring (515) fixedly connected to the driving plate (59) are provided at the rotating end.

7. A thyroid ultrasound scanning locator according to claim 6, characterized in that: The positioning assembly (6) comprises a positioning groove (61) formed in the fixing plate 1 (1); a positioning bolt (62) penetrating the positioning groove (61) is provided on a side of the fixing plate 2 (2) close to the fixing plate 2 (2); a positioning collar (63) sleeved on the surface of the positioning bolt (62) is provided in the positioning groove (61); and a lug is provided on the outside of the positioning collar (63).

8. A thyroid ultrasound scanning locator according to claim 7, characterized in that: A plurality of support grooves (64) are provided in the lower arc groove (4), and a support rod (66) is slidably installed in the support groove (64). One end of the support rod (66) is provided with a support spring (65) fixedly connected to the support groove (64).

9. A thyroid ultrasound scanning locator according to claim 8, characterized in that: A rubber sleeve (67) is provided at one end of the support rod (66) away from the support groove (64).

10. A thyroid ultrasound scanning locator according to claim 9, characterized in that: Any of the support rods (66) is provided with a signal inclined groove (68), and a signal rod (69) is abutted inside the signal inclined groove (68), and one end of the signal rod (69) passes through the second fixed plate (2), and a signal spring (610) is sleeved on the signal rod (69) and abuts against the second fixed plate (2).