Ultrasonic probe fixing frame for nerve block

Abstract

The invention discloses an ultrasonic probe fixing frame for nerve block, and relates to the technical field of medical instruments. The moving rod is mounted in the bottom frame in a sliding manner; the adjusting mechanism is mounted between the two sides of the top end of the moving rod; a probing mechanism; through cooperative work of the telescopic frame, the telescopic driving assembly, the adjusting frame, the first ultrasonic probe, the second ultrasonic probe and the guide block, the ultrasonic probes are stably fixed with the adjusting frame as the core, the telescopic driving assembly drives the telescopic frame to flexibly move, the adjusting frame accurately adjusts the angle and the distance between the two ultrasonic probes, and the ultrasonic probes can be stably fixed. And the low-frequency curved-surface probe and the high-frequency linear probe are combined, so that accurate three-dimensional space positioning is realized, the complex spatial relationship between cranial nerves and surrounding blood vessels and bones can be comprehensively displayed, synchronous scanning in different directions can be realized, a puncture path can be monitored in real time, accidental injury to the blood vessels or nerves is avoided, and serious complications such as bleeding and infection are prevented.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and specifically to an ultrasound probe fixation frame for nerve block. Background Technology

[0002] Nerve block is a core interventional technique used in clinical practice for the treatment of neuralgia and intraoperative analgesia. It involves the precise injection of local anesthetics, analgesics, or neuromodulatory drugs into the affected nerve or nerve trunk / plexus through specialized puncture procedures, or the physical blockage of the target nerve. By leveraging the reversible inhibition or regulation of nerve conduction function by the drugs, the generation and transmission of pain signals are blocked, thereby rapidly and effectively relieving symptoms such as spontaneous pain and referred pain. This technique is suitable for the symptomatic treatment of peripheral neuralgia such as trigeminal neuralgia and postherpetic neuralgia, as well as for adjunctive analgesia of central neuralgia after stroke. It can also be used in conjunction with surgery for intraoperative regional analgesia. Compared with systemic medication, nerve block has the advantages of strong analgesic targeting, rapid onset of action, small drug dosage, and fewer systemic adverse reactions.

[0003] In clinical procedures for nerve blocks, traditional analgesia relies on physician experience to perform punctures, making it difficult to intuitively and comprehensively display the complex anatomical spatial relationships between cranial nerves and surrounding blood vessels and bones. This easily leads to deviations in the puncture target location, affecting the analgesic effect. At the same time, the lack of effective auxiliary means to achieve real-time visual monitoring of the puncture path, and the fact that handheld ultrasound probes are prone to displacement and angular deviations, making it impossible to maintain a stable and fixed state, further exacerbates the positioning error. During the procedure, it is easy to damage surrounding blood vessels or normal nerve tissue, which can lead to serious clinical complications such as bleeding and infection, increasing the risk of diagnosis and treatment. Summary of the Invention

[0004] The purpose of this invention is to provide an ultrasound probe fixation frame for nerve block, in order to solve the problems of puncture positioning deviation, inability to monitor the puncture path in real time, and poor visualization assistance effect caused by the lack of stable fixation of the ultrasound probe during traditional nerve block operations.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an ultrasound probe fixation frame for nerve block, comprising a base frame;

[0006] The movable rod is slidably mounted inside the base frame;

[0007] An adjustment mechanism is installed between the two sides of the top end of the movable rod;

[0008] An exploration mechanism is installed on the outer wall of the adjustment mechanism, and a blocking puncture needle is installed on the exploration mechanism;

[0009] The exploration mechanism includes a telescopic frame, a telescopic drive assembly, an adjustment frame, a first ultrasonic probe, a second ultrasonic probe, and a guide block. The telescopic drive assembly is installed at the top of the telescopic frame and in the middle of the outer wall of the adjustment mechanism. The adjustment frame is installed between the inner walls of the two sides of the telescopic frame. The first ultrasonic probe is installed on one side of the outer wall of the adjustment frame, and the second ultrasonic probe is installed on the other side of the outer wall of the adjustment frame. The guide block is installed in the middle of the outer wall of the adjustment frame via a bearing.

[0010] Two head fixing brackets are respectively installed on both sides of the outer wall of the movable rod.

[0011] Furthermore, the adjustment frame includes a positive and negative screw, two limit frames, two angle drive components and a spacing drive component. The positive and negative screw is installed between the inner walls of the two sides of the telescopic frame through bearings. The two limit frames are respectively threaded onto the outer walls of the positive and negative screw. The two angle drive components are respectively installed on the inner walls of the two limit frames. The spacing drive component is installed at one end of the positive and negative screw.

[0012] Furthermore, the adjustment mechanism includes a fixed frame, multiple toothed grooves, a movable frame, and two limiting strips. The fixed frame is installed at the top of the movable rod, the multiple toothed grooves are all formed on the outer wall of the fixed frame, the movable frame is slidably installed on the outer surface of the fixed frame, and the two limiting strips are respectively installed at both ends of the fixed frame.

[0013] Furthermore, the adjustment mechanism also includes two limiting grooves, a drive shaft, a drive gear, and an adjustment drive assembly. The two limiting grooves are respectively opened on the lower part of the inner walls on both sides of the movable frame. The drive shaft is installed between the upper parts of the inner walls on both sides of the movable frame through bearings. The drive gear is installed in the middle of the outer wall of the drive shaft. The adjustment drive assembly is installed on the upper side of the outer wall of the movable frame, and the output end of the adjustment drive assembly is connected to one end of the drive shaft.

[0014] Furthermore, the head fixing bracket includes a fixing screw, a movable frame, a universal ball joint, and a fixing block. The movable frame is threaded onto the middle of the outer wall of the fixing screw and is also mounted on the outer wall of the movable rod. The universal ball joint is mounted on one end of the fixing screw, and the fixing block is mounted on the other end of the universal ball joint.

[0015] Furthermore, a support pad is installed at the top center of the bottom frame, a support frame is installed between the two sides of the outer wall of the bottom frame, an ultra-high-definition display screen is installed at the top of the support frame, a controller is installed on the upper side of the inner wall of the support frame, a front and rear drive assembly is installed in the middle of the outer wall of the bottom frame, an adjusting screw is installed between the middle of the inner walls of the two sides of the bottom frame via a bearing, and the adjusting screw is threadedly connected to the moving rod, and two limiting rods are installed between the inner walls of the two sides of the bottom frame, and both limiting rods are slidably connected to the moving rod.

[0016] Furthermore, the limiting frame is configured as a convex frame, the first ultrasonic probe is a high-frequency linear probe, the second ultrasonic probe is a low-frequency curved probe, and the guide block is provided with a guide hole that matches the blocking puncture needle.

[0017] Furthermore, the drive gear meshes with multiple tooth grooves, the limiting strip is slidably connected to the limiting groove, and the fixing frame, the limiting strip, and the limiting groove are all configured as arc-shaped structures.

[0018] Furthermore, the movable frame is configured as an L-shaped structure, a pressure sensor is provided at the connection between the universal ball joint and the fixed block, and a rubber pad is installed in the arc-shaped groove of the fixed block away from the universal ball joint.

[0019] Furthermore, the support pad adopts a wedge-shaped structure design in the part near the outer wall of the bottom frame, the bottom end face of the support frame is flush with the bottom end face of the bottom frame, and the front and rear drive components are electrically connected to the controller.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] (1) The present invention achieves stable fixation of the ultrasound probe by working together with the telescopic frame, telescopic drive assembly, adjustment frame, first ultrasound probe, second ultrasound probe and guide block, with the adjustment frame as the core. The telescopic drive assembly drives the telescopic frame to move flexibly, and the adjustment frame precisely adjusts the angle and spacing of the two ultrasound probes. The low-frequency curved probe and the high-frequency linear probe are combined to achieve precise positioning in three-dimensional space. It can fully display the complex spatial relationship between cranial nerves and surrounding blood vessels and bones, and can also scan synchronously from different directions to monitor the puncture path in real time, avoid accidental injury to blood vessels or nerves, and thus prevent serious complications such as bleeding and infection.

[0022] (2) The present invention realizes the adjustment function of the device through the coordinated work of the adjustment mechanism, the front and rear drive components, the adjustment screw and the limiting rod. Through the meshing transmission of the drive gear and the tooth groove, and the sliding connection of the limiting strip and the limiting groove, the position of the moving frame can be flexibly adjusted. The front and rear drive components provide power so that the adjustment screw drives the moving rod to move within the bottom frame, thereby accurately adjusting the position of the probing mechanism and the blocking puncture needle, while ensuring the positional stability of the ultrasound probe after fixation, and meeting the treatment needs of different patients.

[0023] (3) The present invention provides a stable and comfortable fixation method for the patient’s head through the coordinated work of the fixing screw, the moving frame, the universal ball head and the fixing block. The position of the fixing block can be flexibly adjusted by rotating the fixing screw. The universal ball head can rotate freely so that the fixing block can better fit the patient’s head. The rubber pad in the arc groove of the fixing block increases comfort and indirectly ensures the relative fixation of the ultrasound probe and the target area, thereby improving the puncture accuracy. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0025] Figure 1 This is a schematic diagram of the overall structure provided for an embodiment of the present invention;

[0026] Figure 2 Provided for embodiments of the present invention Figure 1 Enlarged view of the structure of A in the middle;

[0027] Figure 3 A structural cross-sectional view of the base frame is provided for an embodiment of the present invention;

[0028] Figure 4 A schematic diagram of the adjustment mechanism is provided for embodiments of the present invention;

[0029] Figure 5 A schematic diagram of the moving frame is provided for embodiments of the present invention;

[0030] Figure 6 A schematic diagram of the detection mechanism is provided for embodiments of the present invention;

[0031] Figure 7 A schematic diagram of the adjustment frame is provided for an embodiment of the present invention;

[0032] Figure 8 A schematic diagram of the head fixation bracket is provided for an embodiment of the present invention.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Base frame; 2. Moving rod; 3. Adjustment mechanism; 31. Fixing frame; 32. Gear groove; 33. Moving frame; 34. Limiting strip; 35. Limiting groove; 36. Drive shaft; 37. Drive gear; 38. Adjustment drive assembly; 4. Probing mechanism; 41. Telescopic frame; 42. Telescopic drive assembly; 43. Adjustment frame; 431. Positive and negative screws; 432. Limiting frame; 433. Angle drive assembly; 434. Spacing drive assembly; 44. First ultrasonic probe; 45. Second ultrasonic probe; 46. Guide block; 5. Head fixing bracket; 51. Fixing screw; 52. Moving frame; 53. Universal ball joint; 54. Fixing block; 6. Support pad; 7. Support frame; 8. Ultra-high definition display screen; 9. Blocking puncture needle; 10. Controller; 11. Front and rear drive assembly; 12. Adjusting screw; 13. Limiting rod. Detailed Implementation

[0035] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0036] As attached Figure 1 To be continued Figure 8 As shown:

[0037] Example 1:

[0038] The present invention provides an ultrasound probe holder for nerve block, comprising a base frame 1;

[0039] The movable rod 2 is slidably installed inside the base frame 1;

[0040] Adjustment mechanism 3 is installed between the top two sides of the moving rod 2;

[0041] The probing mechanism 4 is installed on the outer wall of the adjustment mechanism 3. The probing mechanism 4 is equipped with a blocking puncture needle 9, which is used to inject anesthetic drugs into the patient's body to achieve nerve block of cranial nerves. Using advanced laser etching technology, special microstructures are etched on the surface of the blocking puncture needle 9. These microstructures can change the reflection and scattering characteristics of ultrasound waves, enhance the contrast of the needle in the ultrasound image, and the tip of the blocking puncture needle 9 is equipped with a sensor. When the needle tip comes into contact with different tissues, the sensor can sense the physical properties of the tissue such as hardness and elasticity in real time, and transmit this information to the doctor through a tactile feedback device, so that the doctor can intuitively feel the tissue environment where the needle tip is located.

[0042] The exploration mechanism 4 includes a telescopic frame 41, a telescopic drive assembly 42, an adjustment frame 43, a first ultrasonic probe 44, a second ultrasonic probe 45, and a guide block 46. The telescopic drive assembly 42 is installed at the top of the telescopic frame 41. The telescopic drive assembly 42 uses an electric push rod and a cylinder to drive the telescopic frame 41 to rise and fall, so as to adjust the height of the adjustment frame 43 and the ultrasonic probe. The telescopic drive assembly 42 is installed in the middle of the outer wall of the adjustment mechanism 3. The adjustment frame 43 is installed between the inner walls of the two sides of the telescopic frame 41 to stabilize and support the two ultrasonic probes. The first ultrasonic probe 44 is installed on one side of the outer wall of the adjustment frame 43, and the second ultrasonic probe 45 is installed on the other side of the outer wall of the adjustment frame 43. The guide block 46 is installed on the middle side of the outer wall of the adjustment frame 43 through a bearing.

[0043] Two head fixing brackets 5 are respectively installed on both sides of the outer wall of the movable rod 2;

[0044] The adjustment frame 43 includes a positive and negative screw 431, two limit frames 432, two angle drive components 433, and a spacing drive component 434. The positive and negative screw 431 is mounted between the inner walls of the two sides of the telescopic frame 41 via bearings. The two limit frames 432 are respectively threaded onto the outer walls of the positive and negative screw 431. The two angle drive components 433 are respectively mounted on the inner walls of the two limit frames 432. The angle drive components 433 are motors or drivers used to drive the first ultrasonic probe 44 and the second ultrasonic probe 45 to adjust their tilt angles. The spacing drive component 434 is mounted on one end of the positive and negative screw 431. The spacing drive component 434 is a motor or driver used to provide power for the rotation of the positive and negative screw 431, thereby realizing the adjustment of the spacing between the two limit frames 432.

[0045] The limiting frame 432 is designed as a convex frame, which facilitates the installation of the angle driving component 433 on the limiting frame 432 and also limits the limiting frame 432 in the telescopic frame 41. The first ultrasound probe 44 is a high-frequency linear probe with a frequency of 7-15MHz, which can resolve the detailed structure of cranial nerves and provide high-resolution ultrasound images. The second ultrasound probe 45 is a low-frequency curved probe with a frequency of 2-5MHz, which is used to penetrate the interskull space to detect deep nerves and works in conjunction with the first ultrasound probe 44 to image cranial nerves from different directions. The guide block 46 has a guide hole that matches the blocking puncture needle 9 to limit the insertion direction of the blocking puncture needle 9.

[0046] A support pad 6 is installed at the top center of the bottom frame 1. The support pad 6 is made of medical silicone. A support frame 7 is installed between the two sides of the outer wall of the bottom frame 1. An ultra-high-definition display screen 8 is installed at the top of the support frame 7. The ultra-high-definition display screen 8 is used to display the detection image of the ultrasound probe. A controller 10 is installed on the upper side of the inner wall of the support frame 7. The controller 10 is electrically connected to the electrical components on the device to realize the overall motion control of the device.

[0047] The support pad 6 adopts a wedge-shaped structure design near the outer wall of the base frame 1 to adapt to the natural curvature of the patient's neck and improve the fit and comfort. The bottom surface of the support frame 7 is flush with the bottom surface of the base frame 1.

[0048] Working Principle: When performing analgesia on a patient's cranial nerves, the patient's head is first fixed by two head fixation brackets 5 to ensure head stability during the operation. Then, the moving rod 2 slides inside the base frame 1, driving the adjustment mechanism 3 and the probing mechanism 4 to move to the target operating area. The adjustment mechanism 3 then drives the probing mechanism 4 to precisely align with the target position. Next, the telescopic drive assembly 42 drives the telescopic frame 41 to rise and fall, adjusting the height of the adjustment frame 43 and the ultrasound probe to suit the nerve positions of different patients. Simultaneously, the spacing drive assembly 434 drives the positive and negative screws 431 to rotate, causing the two limiting frames 432 to move closer or further apart along the screws, adjusting the spacing between the first ultrasound probe 44 and the second ultrasound probe 45 to ensure the fixed probe spacing meets imaging requirements. The two angle drive assemblies 433 adjust the tilt angle of the two probes respectively. The first ultrasound probe 44, using a high-frequency linear probe, is responsible for analyzing the detailed structure of the cranial nerves, while the second ultrasound probe 45, using a low-frequency curved probe, is responsible for penetrating deep tissues. The ultrasound probe detects the location of the cranial nerve, and the two work together to image from different directions. The imaging data detected by the ultrasound probe is transmitted to the ultra-high-definition display screen 8 through the controller 10, allowing doctors to clearly observe the ultrasound images. This achieves precise three-dimensional spatial positioning and a comprehensive display of the complex relationship between the cranial nerve and surrounding blood vessels and bones. It also allows for simultaneous scanning and real-time monitoring of the puncture path, thereby avoiding accidental damage to blood vessels or nerves and preventing serious complications such as bleeding and infection. Finally, the guide hole of the guide block 46 provides needle guidance for the blocking puncture needle 9. The microstructure on the surface of the blocking puncture needle 9 enhances the clarity of the needle body in the ultrasound image. The needle tip sensor provides real-time feedback on tissue hardness information and transmits it to the doctor through the tactile feedback device to help determine whether the needle tip has reached the target nerve. Combined with the imaging data from the dual probes, it ensures that the puncture needle accurately reaches the target cranial nerve and completes the analgesic block operation. This process achieves precise positioning and puncture guidance of the cranial nerve, solving the problems of positioning deviation, incomplete imaging, and poor auxiliary effect caused by the lack of stable fixation of the ultrasound probe in traditional devices.

[0049] Example 2:

[0050] This embodiment is basically the same as the previous embodiment, except that the adjustment mechanism 3 includes a fixed frame 31, multiple toothed grooves 32, a movable frame 33 and two limiting strips 34. The fixed frame 31 is installed on the top of the movable rod 2. The multiple toothed grooves 32 are all opened on the outer wall of the fixed frame 31. The movable frame 33 is slidably installed on the outer surface of the fixed frame 31. The two limiting strips 34 are respectively installed at both ends of the fixed frame 31.

[0051] The adjustment mechanism 3 also includes two limiting grooves 35, a drive shaft 36, a drive gear 37, and an adjustment drive assembly 38. The two limiting grooves 35 are respectively opened on the lower part of the inner walls on both sides of the movable frame 33. The drive shaft 36 is installed between the upper parts of the inner walls on both sides of the movable frame 33 through bearings. The drive gear 37 is installed in the middle of the outer wall of the drive shaft 36. The adjustment drive assembly 38 is installed on the upper side of the outer wall of the movable frame 33. The adjustment drive assembly 38 uses a power device such as a motor or driver to provide power for the rotation of the drive shaft 36, thereby driving the drive gear 37 to rotate. The output end of the adjustment drive assembly 38 is connected to one end of the drive shaft 36.

[0052] A front and rear drive assembly 11 is installed in the middle of the outer wall of the base frame 1. The front and rear drive assembly 11 uses a motor or driver to drive the adjusting screw 12 to rotate, so as to realize the forward and backward movement of the moving rod 2. The adjusting screw 12 is installed between the middle of the inner walls on both sides of the base frame 1 through a bearing, and the adjusting screw 12 is threadedly connected to the moving rod 2. Two limiting rods 13 are installed between the inner walls on both sides of the base frame 1, and both limiting rods 13 are slidably connected to the moving rod 2.

[0053] The drive gear 37 meshes with multiple toothed grooves 32. When the drive gear 37 rotates, it drives the moving frame 33 to move on the fixed frame 31 through the meshing action with the toothed grooves 32. The limiting strip 34 is slidably connected to the limiting groove 35 to guide and limit the movement of the moving frame 33. The fixed frame 31, the limiting strip 34 and the limiting groove 35 are all set as arc-shaped structures. The arc-shaped fixed frame 31 is adapted to the coronal plane contour of the human head.

[0054] The front and rear drive components 11 are electrically connected to the controller 10, and receive instructions through the controller 10 to control the forward and backward movement of the equipment.

[0055] Working principle: During operation, the patient's head is placed on the support pad 6 and fixed by two head fixation brackets 5. The controller 10 activates the front and rear drive assembly 11, which drives the adjusting screw 12 to rotate, so that the moving rod 2 slides stably within the bottom frame 1 under the guidance and limitation of the two limiting rods 13. This drives the adjustment mechanism 3 and the probing mechanism 4 to move to the target area. Subsequently, the adjustment drive assembly 38 drives the drive shaft 36 and the drive gear 37 to rotate. Through the meshing transmission between the drive gear 37 and multiple tooth grooves 32, and with the sliding guidance of the limiting strip 34 and the limiting groove 35, the moving frame 33 slides along the fixed frame 31 in an arc shape, thereby adjusting the position of the probing mechanism 4. This ensures the position adjustment accuracy and stability of the ultrasound probe after it is fixed. The operator can precisely adjust the position and angle of the probe according to the patient's specific situation to ensure that the ultrasound probe is accurately aligned with the patient's cranial nerve. After the puncture position is determined, the syringe is connected to the blocking puncture needle 9 through the tube, and the anesthetic drug can be injected into the patient's body through the blocking puncture needle 9. Finally, the nerve block of the cranial nerve is achieved by ultrasound guidance.

[0056] Example 3:

[0057] This embodiment is basically the same as the previous embodiment, except that the head fixation bracket 5 includes a fixing screw 51, a movable frame 52, a universal ball joint 53 and a fixing block 54. The movable frame 52 is threaded onto the middle of the outer wall of the fixing screw 51 and is mounted on the outer wall of the movable rod 2. The universal ball joint 53 is mounted on one end of the fixing screw 51 and has the characteristic of free rotation at multiple angles, which can adaptively adjust the angle to fit the head contour of different patients. The fixing block 54 is mounted on the other end of the universal ball joint 53.

[0058] The movable frame 52 is designed with an L-shaped structure, providing a suitable installation position and support for components such as the fixing screw 51. A pressure sensor is installed at the connection between the universal ball joint 53 and the fixing block 54. This pressure sensor can monitor the fixing pressure of the fixing block 54 on the patient's head in real time to avoid over-fixation. A rubber pad is installed in the arc-shaped groove of the fixing block 54 away from the universal ball joint 53. The rubber pad is soft and can not only enhance the friction between the fixing block 54 and the head to prevent the head from sliding, but also improve the comfort of the head and reduce the pressure on the head during fixation.

[0059] Working principle: During operation, the patient's head is placed on the support pad 6. Rotating the fixing screw 51 drives the fixing block 54 to move closer to and contact the head to achieve position fixation. At the same time, the universal ball head 53 can adaptively adjust its angle to fit the head contour of different patients. The pressure sensor at the connection between the ball head 53 and the fixing block 54 monitors the fixation pressure in real time to avoid over-fixation that may cause patient discomfort. The rubber pad in the arc groove of the fixing block 54 can also enhance friction and improve contact comfort. Ultimately, it provides a stable and comfortable fixation effect for the patient's head, providing a basis for the relative fixation of the ultrasound probe and the target area, and ensuring the accuracy and stability of subsequent exploration and puncture operations.

[0060] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An ultrasound probe holder for nerve block, characterized in that, include: Base frame (1); The movable rod (2) is slidably installed inside the bottom frame (1); Adjustment mechanism (3) is installed between the top two sides of the moving rod (2); The probing mechanism (4) is installed on the outer wall of the adjusting mechanism (3), and the probing mechanism (4) is equipped with a blocking puncture needle (9). The probing mechanism (4) includes a telescopic frame (41), a telescopic drive assembly (42), an adjustment frame (43), a first ultrasonic probe (44), a second ultrasonic probe (45), and a guide block (46). The telescopic drive assembly (42) is installed at the top of the telescopic frame (41) and is also installed in the middle of the outer wall of the adjustment mechanism (3). The adjustment frame (43) is installed between the inner walls of the two sides of the telescopic frame (41). The first ultrasonic probe (44) is installed on one side of the outer wall of the adjustment frame (43), and the second ultrasonic probe (45) is installed on the other side of the outer wall of the adjustment frame (43). The guide block (46) is installed in the middle of the outer wall of the adjustment frame (43) via a bearing. Two head fixing brackets (5) are respectively installed on both sides of the outer wall of the moving rod (2).

2. The ultrasound probe holder for nerve block according to claim 1, characterized in that, The adjusting frame (43) includes a positive and negative screw (431), two limit frames (432), two angle driving components (433) and a spacing driving component (434). The positive and negative screw (431) is installed between the inner walls of the two sides of the telescopic frame (41) through bearings. The two limit frames (432) are respectively threaded on the outer walls of the positive and negative screw (431). The two angle driving components (433) are respectively installed on the inner walls of the two limit frames (432). The spacing driving component (434) is installed at one end of the positive and negative screw (431).

3. The ultrasound probe holder for nerve block according to claim 1, characterized in that, The adjustment mechanism (3) includes a fixed frame (31), multiple toothed grooves (32), a movable frame (33), and two limiting strips (34). The fixed frame (31) is installed on the top of the movable rod (2). The multiple toothed grooves (32) are all opened on the outer wall of the fixed frame (31). The movable frame (33) is slidably installed on the outer surface of the fixed frame (31). The two limiting strips (34) are respectively installed at both ends of the fixed frame (31).

4. The ultrasound probe holder for nerve block according to claim 3, characterized in that, The adjustment mechanism (3) further includes two limiting grooves (35), a drive shaft (36), a drive gear (37), and an adjustment drive assembly (38). The two limiting grooves (35) are respectively opened on the lower part of the inner wall on both sides of the movable frame (33). The drive shaft (36) is installed between the upper parts of the inner walls on both sides of the movable frame (33) through bearings. The drive gear (37) is installed in the middle of the outer wall of the drive shaft (36). The adjustment drive assembly (38) is installed on the upper side of the outer wall of the movable frame (33), and the output end of the adjustment drive assembly (38) is connected to one end of the drive shaft (36).

5. The ultrasound probe holder for nerve block according to claim 1, characterized in that, The head fixing bracket (5) includes a fixing screw (51), a movable frame (52), a universal ball joint (53), and a fixing block (54). The movable frame (52) is threaded onto the middle of the outer wall of the fixing screw (51) and is also mounted on the outer wall of the movable rod (2). The universal ball joint (53) is mounted on one end of the fixing screw (51), and the fixing block (54) is mounted on the other end of the universal ball joint (53).

6. The ultrasound probe holder for nerve block according to claim 1, characterized in that, A support pad (6) is installed at the top center of the bottom frame (1). A support frame (7) is installed between the two sides of the outer wall of the bottom frame (1). An ultra-high-definition display screen (8) is installed at the top of the support frame (7). A controller (10) is installed on the upper side of the inner wall of the support frame (7). A front and rear drive assembly (11) is installed in the middle of the outer wall of the bottom frame (1). An adjusting screw (12) is installed between the middle of the inner walls of the two sides of the bottom frame (1) through a bearing. The adjusting screw (12) is threadedly connected to the moving rod (2). Two limiting rods (13) are installed between the inner walls of the two sides of the bottom frame (1). Both limiting rods (13) are slidably connected to the moving rod (2).

7. The ultrasound probe holder for nerve block according to claim 2, characterized in that, The limiting frame (432) is configured as a convex frame, the first ultrasonic probe (44) is a high-frequency linear probe, the second ultrasonic probe (45) is a low-frequency curved probe, and the guide block (46) is provided with a guide hole that matches the blocking puncture needle (9).

8. The ultrasound probe holder for nerve block according to claim 4, characterized in that, The drive gear (37) meshes with multiple tooth grooves (32), the limiting strip (34) is slidably connected to the limiting groove (35), and the fixing frame (31), the limiting strip (34) and the limiting groove (35) are all set as arc-shaped structures.

9. The ultrasound probe holder for nerve block according to claim 5, characterized in that, The movable frame (52) is configured as an L-shaped structure. A pressure sensor is provided at the connection between the universal ball head (53) and the fixed block (54). A rubber pad is installed in the arc groove of the fixed block (54) away from the universal ball head (53).

10. The ultrasound probe holder for nerve block according to claim 6, characterized in that, The support pad (6) adopts a wedge-shaped structure design in the part near the outer wall of the bottom frame (1), the bottom end face of the support frame (7) is flush with the bottom end face of the bottom frame (1), and the front and rear drive components (11) are electrically connected to the controller (10).

Images