Ultrasonic bone depth measuring instrument

Abstract

The utility model discloses an ultrasonic bone depth measuring instrument, which belongs to the technical field of medical appliances and comprises an outer tube, a probe is arranged at one end of the outer tube in a penetrating manner, the probe is in sliding fit with the outer tube, one end of the probe positioned in the outer tube is fixedly connected with a bearing piece, the bearing piece is in sliding fit with the outer tube, and one end of the outer tube is connected with a mounting frame. An ultrasonic detection assembly is fixedly connected to the mounting frame and comprises an ultrasonic transmitting head, an ultrasonic receiving head and a processor, the detection end of the ultrasonic transmitting head and the detection end of the ultrasonic receiving head both face the outer pipe, and the ultrasonic transmitting head and the ultrasonic receiving head both are electrically connected with the processor, so that the drilling depth can be conveniently measured; and the accuracy is improved while the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, and more specifically to an ultrasonic bone depth measuring instrument. Background Art

[0002] When a serious fracture occurs in the human body, orthopedic treatment requires fixing a steel plate on the broken bone to achieve fixation. When fixing the steel plate and bone, it is necessary to drill holes in the bone first, and then select bolts of appropriate length to match them. The steel plate is fixed to the bone through the bolts. In actual treatment, the length of the bolts to be selected and the depth of the holes to be drilled need to be consistent.

[0003] In order to ensure the consistency between the selected bolt length and the depth of the hole, the existing depth measuring equipment is a depth gauge, such as a probe and a depth gauge used in orthopedic surgery disclosed in Chinese patent application number CN202020158178.X, including a ruler body, an inner cavity is provided inside the ruler body, and a first sliding opening is provided on the upper surface of the ruler body, the first sliding opening is communicated with the inner part of the ruler body, a second sliding opening is provided in the middle of the ground of the ruler body, the second sliding opening is communicated with the ruler body, a measuring needle is provided in the inner cavity of the ruler body, the rear end of the measuring needle and the rear end of the inner part of the ruler body are connected by a reset spring, and the rear end of the measuring needle is aligned with the position of the first sliding opening and the second sliding opening and both protrudes out of the first sliding opening and the second sliding opening, which solves the problem that although the existing depth gauge can effectively measure the depth of the bone hole, it is cumbersome to operate and inconvenient to use during the measurement process, which affects the efficiency of medical staff in measuring the depth of the bone hole. By improving and optimizing the structure of the depth measuring pool, the depth gauge is easy to operate, and can assist medical staff to quickly measure the depth of the bone hole.

[0004] In actual use, the end of one end of the probe is fixed at the bottom of the hole, the moving distance of the probe and the shell is the same as the moving distance of the scale and the shell, and the depth is read by the scale fixedly connected to the other end of the probe. This type of depth measuring equipment has the following problems in actual use. After drilling, the area near the hole is not clean, and there will be blood foam, which will block the field of vision. During actual reading, it will hinder the use and affect the accuracy. A solution is proposed below to the above problem. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an ultrasonic bone depth meter, which can conveniently measure the drilling depth and improve the accuracy while improving the efficiency.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] An ultrasonic bone depth meter comprises an outer tube, a probe is provided at the center of one end of the outer tube, the probe and the outer tube are slidably matched, one end of the probe located inside the outer tube is fixedly connected to a receiving plate, the receiving plate and the outer tube are adapted to each other and slidably matched, one end of the outer tube is connected to a mounting frame, an ultrasonic detection component is fixedly connected to the mounting frame, the ultrasonic detection component comprises an ultrasonic transmitting head, an ultrasonic receiving head and a processor, and the detection ends of the ultrasonic transmitting head and the ultrasonic receiving head are both facing the outer tube, and the ultrasonic transmitting head and the ultrasonic receiving head are both electrically connected to the processor.

[0008] Preferably, the processor includes a housing, a processing circuit, a power supply and a display screen, the processing circuit power supply is installed inside the housing, the display screen is installed on the housing, and the power supply, display screen, ultrasonic transmitter head and ultrasonic receiver head are all electrically connected to the processing circuit.

[0009] Preferably, a sealing cover is provided at one end of the outer tube, the sealing cover is threadedly matched with one end of the outer tube, a sliding opening for the probe to pass through is opened on the sealing cover, and the sliding opening is concentric with the sealing cover and the outer tube.

[0010] Preferably, one end of the sealing cover is fixedly connected to a stabilizing tube, one end of the probe passes through the stabilizing tube and is slidably fitted therein, and the outer diameter of the probe is the same as the inner diameter of the stabilizing tube.

[0011] Preferably, the mounting bracket and the outer tube are fixed by threaded connection.

[0012] Preferably, one end of the mounting frame is provided with an adjustment component for adjusting the position of the ultrasonic transmitting head and the ultrasonic receiving head from the receiving piece, the adjustment component includes a threaded rod, a movable piece and a stabilizing rod, the movable piece is arranged inside the mounting frame, the threaded rod is rotatably arranged on the movable piece, the threaded rod passes through one end of the mounting frame and is threadedly engaged, the stabilizing rod is fixed to one end of the movable piece where the threaded rod is installed, the stabilizing rod passes through the mounting frame and is slidably engaged, and the ultrasonic transmitting head and the ultrasonic receiving head are respectively mounted on the movable piece.

[0013] Preferably, a handwheel for rotating the threaded rod is installed at one end of the threaded rod.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] 1. In this solution, the probe is inserted into the hole, and the movement of the probe drives the movement of the receiving plate. The moving distance of the probe is converted into the moving distance of the receiving plate, so that the ultrasonic transmitter emits ultrasonic waves, and the ultrasonic detection head detects the ultrasonic waves reflected by the receiving plate, so that the processor processes the data, thereby directly reflecting the moving distance of the probe, that is, the hole depth. Ultrasonic detection can avoid the influence of external factors on the accuracy of manual readings, thereby improving the accuracy. The equipment is used to directly read the readings, which is more convenient to use and reduces the amount of manual labor.

[0016] 2. The design of the sliding mouth and stabilizing tube can guide the movement of the probe, improve the stability of the probe during movement, avoid shaking during movement, ensure the linear motion of the probe, and thus improve the accuracy of detection.

[0017] 3. The adjustment component can be used to adjust the position of the ultrasonic transmitting head and the ultrasonic receiving head, that is, by rotating the threaded rod, the threaded rod will move with the mounting frame, and the moving threaded rod will drive the moving piece to move, and the moving piece will drive the ultrasonic transmitting head and the ultrasonic receiving head to move, and when the moving piece moves, the stabilizing rod will limit the moving piece to prevent the moving piece from rotating, and by moving the ultrasonic transmitting head and the ultrasonic receiving head, it is ensured that the ultrasonic transmitting head and the ultrasonic receiving head can always be fitted with the receiving piece at the initial position, that is, the accuracy of the detection is guaranteed.

[0018] 4. The installation of the handwheel can improve the comfort of rotating the threaded rod and reduce the amount of force required to rotate the threaded rod, making it easier to use.

[0019] 5. The mounting frame and the outer tube are fixed with threaded connection, which can be easily disassembled and installed, thereby facilitating replacement and maintenance.

[0020] 6. The outer shell protects the processing circuit and power supply to avoid direct exposure to the outside, ensure safety, and increase service life. The display screen can be used to directly display the moving length of the receiving piece after the processing circuit is processed, thereby directly reflecting the extended length of the probe, that is, the hole depth. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a schematic cross-sectional structure diagram of the outer tube of the utility model;

[0023] Figure 3 It is a schematic cross-sectional structural diagram of the processor of the utility model;

[0024] Figure 4 It is a schematic diagram of the enlarged structure of A of the utility model;

[0025] Figure 5 This is an enlarged structural diagram of B of the utility model

[0026] Figure 6 It is a schematic structural diagram of the ultrasonic transmitting head and the ultrasonic receiving head of the utility model on the moving piece.

[0027] Description of the numbers in the figure:

[0028] 1. Outer tube; 2. Probe; 3. Socket; 4. Mounting frame; 5. Ultrasonic detection component; 6. Ultrasonic transmitter; 7. Ultrasonic receiver; 8. Processor; 9. Housing; 10. Processing circuit; 11. Power supply; 12. Display; 13. Sealing cover; 14. Slide; 15. Stabilizing tube; 16. Adjustment component; 17. Threaded rod; 18. Moving piece; 19. Stabilizing rod; 20. Handwheel. DETAILED DESCRIPTION

[0029] Embodiment 1:

[0030] See also Figure 1-6 An ultrasonic bone depth meter comprises an outer tube 1, which is a cylindrical tube body with two open ends. One end of the tube body is threadedly matched with a sealing cover 13. The design of the thread three can be easily disassembled, maintained and replaced. A sliding opening 14 is provided on the sealing cover 13. The sliding opening 14 is circular and is opened at the center of the sealing cover 13. A receiving piece 3 is slidingly provided inside the outer tube 1. The receiving piece 3 is adapted to the inner diameter of the outer tube 1. One end of the receiving piece 3 is fixedly connected with a probe 2. The probe 2 is fixed at the center of one end of the receiving piece 3 near the sealing cover 13. The probe 2 passes through the sliding opening 14 and slides together. The probe 2 and the sliding opening 14 are adapted. The sealing cover 13 is away from the outer tube. A stabilizing tube 15 is fixedly connected to the center of one end of the tube 1. The length of the probe 2 plus the receiving piece 3 is equal to the length from one end of the outer tube 1 to one end of the stabilizing tube 15. The length of the probe 2 moving out of the stabilizing tube 15 is directly reflected by the distance moved by the receiving piece 3, and then the moving distance of the receiving piece 3 is detected by the ultrasonic detection component 5, thereby avoiding the trouble of manual reading and ensuring the accuracy of the reading. The probe 2 passes through the stabilizing tube 15 and slides together, and the outer diameter of the probe 2 is the same as the inner diameter of the stabilizing tube 15. The stabilizing tube 15 limits the probe 2 and the receiving piece 3 adapted to the outer tube 1 can ensure the stability of the probe 2 and reduce the shaking of the probe 2.

[0031] The other end of the outer tube 1 is connected to a mounting frame 4, and the mounting frame 4 and the outer tube 1 are threadedly matched, and the threaded match facilitates disassembly and installation, and is easy to maintain. An adjustment component 16 is provided on the mounting frame 4, and the adjustment component 16 includes a threaded rod 17, a movable sheet 18 and a stabilizing rod 19. The movable sheet 18 is arranged inside the mounting frame 4, and the threaded rod 17 is rotatably arranged on the movable sheet 18. The threaded rod 17 passes through one end of the mounting frame 4 and is threadedly matched. Through the threaded match between the threaded rod 17 and the mounting frame 4, the position between the threaded rod 17 and the mounting frame 4 can be adjusted by rotating the threaded rod 17, thereby promoting the movement of the movable sheet 18, that is, To ensure that the ultrasonic detection component 5 on the movable sheet 18 can always be in close contact with the receiving sheet 3 in the initial position, and to ensure the accuracy of the detection, the stabilizing rod 19 is fixed to one end of the movable sheet 18 on which the threaded rod 17 is installed. The stabilizing rod 19 passes through the mounting frame 4 and slides together. The stabilizing rod 19 can ensure that the threaded rod 17 will not drive the movable sheet 18 to rotate when it rotates, thereby ensuring that the movable sheet 18 always moves in a straight line. A handwheel 20 for rotating the threaded rod 17 is installed at one end of the threaded rod 17. The handwheel 20 can increase the user's rotational force arm, reduce the user's force, and facilitate rotation.

[0032] An ultrasonic detection component 5 is installed on the moving piece 18, and the ultrasonic detection component 5 includes an ultrasonic transmitter 6, an ultrasonic receiver 7 and a processor 8. The ultrasonic transmitter 6 and the ultrasonic receiver 7 are respectively installed on the moving piece 18, and the ultrasonic transmitter 6 and the ultrasonic receiver 7 are symmetrically arranged about the threaded rod 17 to ensure that the force of the moving piece 18 is stable, and the detection ends of the ultrasonic transmitter 6 and the ultrasonic receiver 7 are both facing the outer tube 1. The ultrasonic transmitter 6 emits an ultrasonic wave, and the ultrasonic wave is reflected when it contacts the receiving piece 3. The reflected ultrasonic wave is received and processed by the ultrasonic receiver 7. The ultrasonic transmitter 6 and the ultrasonic receiver 7 are both electrically connected to the processor 8. The data is processed by the processor 8 to calculate the actual distance. Ultrasonic detection is adopted, which has the advantages of high detection accuracy and fast detection speed. The processor 8 includes a shell 9, a processing circuit 10, a power supply 11 and a display screen 12. The processing circuit 10 and the power supply 11 are installed inside the shell 9. The shell protects the power supply 11 and the processing circuit 10. The display screen 12 is installed on the shell 9. The power supply 11, the display screen 12, the ultrasonic transmitting head 6 and the ultrasonic receiving head 7 are all electrically connected to the processing circuit 10. The result of the processing by the processing circuit 10 is directly reflected through the display screen 12, which is convenient for direct reading. The power supply 11 is a rechargeable battery for repeated use.

[0033] Working principle:

[0034] Before use, ensure that one end of the probe 2 is flush with one end of the stabilizing tube 15, and at the same time, one end of the receiving sheet 3 is in contact with the ultrasonic transmitter 6 and the ultrasonic receiver 7;

[0035] When in use, the probe 2 is extended from one end of the outer tube 1 and inserted into the hole drilled in the bone to ensure that one end of the probe 2 is in contact with the bottom of the bone. At the same time, the outer tube 1 is moved so that one end of the stabilizing tube 15 is in contact with the bone. When the probe 2 moves, the receiving plate 3 is driven to move, and the receiving plate 3 slides inside the outer tube 1, so that the distance that the probe 2 extends out of the stabilizing tube 15 and is inserted into the hole is equal to the distance that the moving plate 18 moves in the outer tube 1. Since the receiving plate 3 is initially in contact with the ultrasonic transmitting head 6 and the ultrasonic receiving head 7, that is, the distance of the receiving plate 3 detected by the ultrasonic transmitting head 6 and the ultrasonic receiving head 7 is equal to the depth of the hole, the data results detected by the ultrasonic transmitting head 6 and the ultrasonic receiving head 7 will be transmitted to the processing circuit 10, and the processing circuit 10 will process the data and feed it back to the display screen 12, so as to directly display it and avoid the trouble of manual reading.

Claims

1. An ultrasonic bone depth measuring instrument, characterized in that: The invention comprises an outer tube (1), wherein a probe (2) is provided at the center of one end of the outer tube (1), wherein the probe (2) and the outer tube (1) are slidably matched, wherein one end of the probe (2) located inside the outer tube (1) is fixedly connected to a receiving plate (3), wherein the receiving plate (3) and the outer tube (1) are mutually adapted and slidably matched, wherein the other end of the outer tube (1) is connected to a mounting frame (4), wherein an ultrasonic detection component (5) is fixedly connected to the mounting frame (4), wherein the ultrasonic detection component (5) comprises an ultrasonic transmitter (6), an ultrasonic receiver (7) and a processor (8), wherein the detection ends of the ultrasonic transmitter (6) and the ultrasonic receiver (7) are both directed toward the outer tube (1), and the ultrasonic transmitter (6) and the ultrasonic receiver (7) are both electrically connected to the processor (8).

2. The ultrasonic bone depth measuring instrument according to claim 1, characterized in that: The processor (8) comprises a housing (9), a processing circuit (10), a power supply (11) and a display screen (12); the processing circuit (10) and the power supply (11) are installed inside the housing (9); the display screen (12) is installed on the housing (9); the power supply (11), the display screen (12), the ultrasonic transmitter (6) and the ultrasonic receiver (7) are all electrically connected to the processing circuit (10).

3. The ultrasonic bone depth measuring instrument according to claim 1, characterized in that: A sealing cover (13) is provided at one end of the outer tube (1), the sealing cover (13) and one end of the outer tube (1) are threadedly matched, the sealing cover (13) is provided with a sliding opening (14) for the probe (2) to pass through, and the sliding opening (14) and the sealing cover (13) and the outer tube (1) are concentric.

4. The ultrasonic bone depth measuring instrument according to claim 3, characterized in that: One end of the sealing cover (13) is fixedly connected to a stabilizing tube (15), one end of the probe (2) passes through the stabilizing tube (15) and is slidably fitted therein, and the outer diameter of the probe (2) is the same as the inner diameter of the stabilizing tube (15).

5. The ultrasonic bone depth measuring instrument according to claim 1, characterized in that: The mounting frame (4) and the outer tube (1) are fixed by threaded connection.

6. The ultrasonic bone depth measuring instrument according to claim 1, characterized in that: An adjustment component (16) for adjusting the distance between the ultrasonic transmitting head (6) and the ultrasonic receiving head (7) and the receiving plate (3) is arranged at one end of the mounting frame (4); the adjustment component (16) comprises a threaded rod (17), a movable plate (18) and a stabilizing rod (19); the movable plate (18) is arranged inside the mounting frame (4); the threaded rod (17) is rotatably arranged on the movable plate (18); the threaded rod (17) passes through one end of the mounting frame (4) and is threadedly engaged; the stabilizing rod (19) is fixed to one end of the movable plate (18) on which the threaded rod (17) is mounted; the stabilizing rod (19) passes through the mounting frame (4) and is slidably engaged; the ultrasonic transmitting head (6) and the ultrasonic receiving head (7) are respectively mounted on the movable plate (18).

7. The ultrasonic bone depth measuring instrument according to claim 6, characterized in that: A hand wheel (20) for rotating the threaded rod (17) is mounted at one end of the threaded rod (17).

Images