Ultrasonic-guided gynecological puncture suction equipment and method thereof

Abstract

The invention discloses ultrasonic-guided gynecological puncture suction equipment and a method thereof, and relates to the field of medical instruments, the ultrasonic-guided gynecological puncture suction equipment comprises a mounting plate, a first mounting groove is formed in the right side of the mounting plate, the upper surface and the lower surface of the mounting plate are communicated through the first mounting groove, and a puncture mechanism is arranged in the first mounting groove. The first mounting groove and the second mounting groove are formed in the mounting plate, and the puncture mechanism and the ultrasonic probe are arranged in the first mounting groove and the second mounting groove correspondingly, so that when the device is used, a user can hold the handle with one hand to take the mounting plate to move, and the ultrasonic probe and the puncture mechanism are both placed at the puncture position; then, a user can perform puncture operation according to the guidance of the ultrasonic probe, so that the device can perform ultrasonic guidance and puncture operation at the same time, is suitable for single-person operation, and can adjust the body position of a patient with one hand and complete the ultrasonic guidance and puncture operation with the other hand at the same time during single-person operation; and the operation convenience of the device is effectively improved.

Description

Technical Field

[0001] The invention relates to a puncture and suction device, and in particular to a gynecological puncture and suction device under ultrasound guidance and a method thereof. Background Art

[0002] Puncture sampling is the main method for obtaining and conducting pathological diagnosis of gynecological tumors. Tumors are diseases that seriously endanger human health and life. In recent years, the incidence rate has gradually increased and the age of onset has gradually decreased. Early detection, correct diagnosis, and timely treatment have an important impact on prognosis. With the continuous improvement of inspection means and methods, the accuracy of diagnosis has gradually increased. However, there are still a large number of tumors that do not have typical imaging characteristics and are difficult to diagnose. Correct diagnosis requires a combination of clinical, imaging, and pathology. Pathological diagnosis plays a key role in the selection of treatment plans. Puncture sampling is the main way to obtain pathological diagnosis. Ultrasound-guided puncture can greatly improve the success rate of puncture, avoid adverse consequences such as multiple punctures and pain for patients, reduce the consumption of consumables for repeated punctures, and improve the accuracy, success rate, and efficiency of punctures.

[0003] However, the current ultrasound-guided puncture process requires the collaboration of multiple medical staff. For example, multiple medical staff are required to hold ultrasound probes and puncture needles respectively and cooperate with each other to complete ultrasound guidance and puncture, which undoubtedly increases the operational risk and difficulty of coordination. Summary of the invention

[0004] The object of the present invention is to provide a gynecological puncture and aspiration device and method under ultrasound guidance to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an ultrasound-guided gynecological puncture and suction device and method thereof, comprising a mounting plate, a mounting groove 1 is provided on the right side of the mounting plate, the mounting groove 1 penetrates and connects the upper and lower surfaces of the mounting plate, a puncture mechanism is arranged in the mounting groove 1, a mounting groove 2 is provided on the left side of the mounting plate, the mounting groove 2 penetrates and connects the upper, lower and left sides of the mounting plate, an ultrasonic probe and two splints are sleeved in the mounting groove 2, and the opposite surfaces of the two splints are overlapped with the outer side surface of the ultrasonic probe.

[0006] As a preferred technical solution of the present invention, the right sides of the two clamps are fixedly connected to the left sides of the two nuts respectively, the two nuts are threadedly connected to the two thread grooves with opposite spiral directions opened on the screw respectively, and the two nuts are also slidably connected to the sliding groove.

[0007] As a preferred technical solution of the present invention, the slide groove is opened on the right side surface of the second mounting groove, the optical axes at both ends of the screw are rotatably connected to the front and rear sides of the slide groove through rolling bearings, and the front end of the screw extends to the front side of the mounting plate.

[0008] As a preferred technical solution of the present invention, the puncture mechanism includes two rotating shafts 1, the opposite ends of the two rotating shafts 1 are rotatably connected to the front and rear sides of the mounting groove 1 through rolling bearings, and the front end of the front rotating shaft 1 is fixedly connected to the gear.

[0009] As a preferred technical solution of the present invention, the gear is meshed and connected with the tooth plate, the left side of the tooth plate is fixedly connected to the right end of the electric push rod, the left end of the electric push rod is fixedly connected to the right side of the fixed plate, the rear side of the fixed plate is fixedly connected to the front side of the mounting plate, and the opposite ends of the two rotating shafts are respectively fixedly connected to the front and rear sides of the fixed frame.

[0010] As a preferred technical solution of the present invention, the left and right side surfaces of the fixed frame are rotatably connected to the opposite ends of the two rotating shafts 2 through rolling bearings, the left end of the rotating shaft 2 on the left side is fixedly connected to the worm gear, the worm gear is meshingly connected to the worm, and the front end of the worm is fixedly connected to the output shaft of motor 1.

[0011] As a preferred technical solution of the present invention, the outer side surface of the motor 1 is fixedly connected to the left side surface of the fixed frame, the opposite ends of the two rotating shafts 2 are respectively fixedly connected to the left and right sides of the fixed box, the bottom surface of the fixed box is fixedly connected to the sleeve, and a puncture needle is provided inside the sleeve.

[0012] As a preferred technical solution of the present invention, the puncture needle is overlapped with the opposite ends of the two driving rollers at the same time, the optical axes at both ends of the driving roller on the left side are rotatably connected to the front and rear sides of the fixed box through rolling bearings, the rear end of the driving roller on the left side is fixedly connected to the output shaft of motor 2, and motor 2 is fixedly connected to the rear side of the fixed box through a mounting seat, the input ends of motor 2, motor 1 and the electric push rod are all electrically connected to the output end of the controller, the controller is fixedly connected to the upper end of the handle, and the bottom end of the handle is fixedly connected to the upper surface of the mounting plate.

[0013] As a preferred technical solution of the present invention, the two ends of the driving roller on the right side are rotatably connected to the front and rear sides of the connecting frame through rolling bearings, and the front and rear ends of the right side of the connecting frame are fixedly connected to the left ends of the two sliding rods, and the two sliding rods are respectively sleeved in the two sleeve holes;

[0014] The middle part of the right side surface of the connecting frame is rotatably connected to the left end optical axis of the adjusting screw through a rolling bearing. The adjusting screw is threadedly connected in the threaded hole. The threaded hole and two sleeve holes are both opened in the right side surface of the fixing box. The outer sides of the two driving rollers are both annularly provided with strip-shaped protrusions.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention provides a mounting groove 1 and a mounting groove 2 on the mounting plate, and respectively arranges the puncture mechanism and the ultrasonic probe in the mounting groove 1 and the mounting groove 2. When using the device, the user can hold the handle with one hand to take the mounting plate and move it so that the ultrasonic probe and the puncture mechanism are both placed at the puncture position. Then the user can perform the puncture operation according to the guidance of the ultrasonic probe. When performing the puncture operation, the user can pass the puncture needle through the sleeve and place it in contact with the left driving roller. At this time, the user can rotate the adjusting screw so that the adjusting screw moves to the left along the threaded hole to push the right driving roller to approach the puncture needle. When the right driving roller is in contact with the puncture needle, the adjusting screw is stopped from rotating. Then the user can control the output shaft of the second motor to rotate clockwise through the controller so that the left driving roller rotates clockwise to drive the puncture needle to move downward, so that the puncture needle is inserted into the patient's body for puncture treatment, so that the device can perform ultrasonic guidance and puncture operations at the same time, which is suitable for single-person operation. When a single-person operation is performed, the user can adjust the patient's body position with one hand and complete the ultrasonic guidance and puncture operations with the other hand at the same time, thereby effectively improving the convenience of operation of the device.

[0017] 2. The present invention connects the fixed frame with the mounting plate by setting a rotating shaft 1, and connects the fixed box with the fixed frame by setting a rotating shaft 2. When using the device for puncture treatment, the user can first use an ultrasonic probe to detect the puncture site, and the user can adjust the angle of the sleeve to change the needle insertion angle according to the detection result of the ultrasonic probe. At this time, the user can control the extension and retraction of the electric push rod through the controller to use the toothed plate and gear to drive the rotating shaft 1 and the sleeve to swing left and right, and the user can control the operation of the motor 1 through the controller to use the worm gear and worm to drive the rotating shaft 2 and the sleeve to swing back and forth, so that the user can adjust the needle insertion angle according to actual treatment needs to improve the puncture treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the present invention;

[0019] Figure 2 It is a left-side structural schematic diagram of the mounting plate of the present invention;

[0020] Figure 3 It is a schematic diagram of the nut structure of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the puncture mechanism of the present invention;

[0022] Figure 5 It is a schematic diagram of the front cross-sectional structure of the fixing box of the present invention;

[0023] Figure 6 It is a schematic diagram of the connecting frame structure of the present invention.

[0024] In the figure: 1 mounting plate, 2 ultrasonic probe, 3 puncture mechanism, 31 rotating shaft 1, 32 gear, 33 tooth plate, 34 electric push rod, 35 fixed plate, 36 fixed frame, 37 fixed box, 38 puncture needle, 39 worm, 310 worm wheel, 311 rotating shaft 2, 312 motor 1, 313 sleeve, 314 connecting frame, 315 driving roller, 316 motor 2, 317 threaded hole, 318 sleeve hole, 319 slide rod, 320 adjusting screw, 4 mounting slot 1, 5 handle, 6 controller, 7 mounting slot 2, 8 splint, 9 slide groove, 10 lead screw, 11 nut. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-6 The present invention provides a technical solution of an ultrasound-guided gynecological puncture and suction device and method thereof: the device comprises a mounting plate 1, a mounting groove 1 4 is provided on the right side of the mounting plate 1, the mounting groove 1 4 penetrates and connects the upper and lower surfaces of the mounting plate 1, a puncture mechanism 3 is arranged in the mounting groove 1 4, a mounting groove 2 7 is provided on the left side of the mounting plate 1, the mounting groove 2 7 penetrates and connects the upper, lower and left sides of the mounting plate 1, an ultrasonic probe 2 and two clamping plates 8 are sleeved in the mounting groove 2 7, and the opposite surfaces of the two clamping plates 8 are overlapped with the outer side surface of the ultrasonic probe 2. By providing the mounting groove 1 4 and the mounting groove 2 7 on the mounting plate 1, and respectively arranging the puncture mechanism 3 and the ultrasonic probe 2 in the mounting groove 1 4 and the mounting groove 2 7, the device can perform ultrasonic guidance and puncture operations at the same time, is suitable for single-person operation, and can adjust the patient's position with one hand and complete the ultrasonic guidance and puncture operations with the other hand at the same time during single-person operation, thereby effectively improving the convenience of operation of the device.

[0027] The right sides of the two splints 8 are fixedly connected to the left sides of the two nuts 11, and the two nuts 11 are threadedly connected to the two thread grooves with opposite spiral directions on the screw 10, and the two nuts 11 are also slidably connected to the slide groove 9. The splint 8 is arranged to contact the ultrasonic probe 2, and the screw 10 and the nut 11 are arranged to be connected with the splint 8, so that the position of the splint 8 can be adjusted by using the screw 10 and the nut 11 so that the splint 8 can clamp and fix the ultrasonic probe 2, thereby improving the stability of the ultrasonic probe 2 when in use, and also facilitating the user to quickly disassemble and assemble the ultrasonic probe 2.

[0028] The slide groove 9 is opened on the right side surface of the mounting groove 7, and the optical axes at both ends of the screw 10 are rotatably connected to the front and rear sides of the slide groove 9 through rolling bearings, and the front end of the screw 10 extends to the front side of the mounting plate 1.

[0029] The puncture mechanism 3 includes two rotating shafts 31 , the opposite ends of the two rotating shafts 31 are rotatably connected to the front and rear side surfaces of the mounting groove 4 through rolling bearings, and the front end of the front rotating shaft 31 is fixedly connected to the gear 32 .

[0030] The gear 32 is meshed with the tooth plate 33, the left side of the tooth plate 33 is fixedly connected to the right end of the electric push rod 34, the left end of the electric push rod 34 is fixedly connected to the right side of the fixing plate 35, the rear side of the fixing plate 35 is fixedly connected to the front side of the mounting plate 1, and the opposite ends of the two rotating shafts 31 are fixedly connected to the front and rear sides of the fixing frame 36 respectively. The fixing frame 36 is connected to the mounting plate 1 by setting the rotating shaft 31, and the gear 32, the tooth plate 33, and the electric push rod 34 are connected to the rotating shaft 31. The user can control the extension and retraction of the electric push rod 34 through the controller 6, and use the tooth plate 33 and the gear 32 to drive the rotating shaft 31 and the sleeve 313 to swing left and right to adjust the angle of the sleeve 313.

[0031] The left and right sides of the fixed frame 36 are rotatably connected to the opposite ends of the two rotating shafts 311 through rolling bearings. The left end of the left rotating shaft 311 is fixedly connected to the worm gear 310. The worm gear 310 is meshed with the worm 39. The front end of the worm 39 is fixedly connected to the output shaft of the motor 1 312. The fixed box 37 is connected to the fixed frame 36 by setting the rotating shaft 311. When using this device for puncture treatment, the user can control the operation of the motor 1 312 through the controller 6 to use the worm gear 310 and the worm 39 to drive the rotating shaft 2 311 and the sleeve 313 to swing back and forth, so that the user can adjust the needle insertion angle according to actual treatment needs to improve the puncture treatment effect.

[0032] The outer side surface of the motor 1 312 is fixedly connected to the left side surface of the fixed frame 36, the opposite ends of the two rotating shafts 311 are fixedly connected to the left and right sides of the fixed box 37 respectively, and the bottom surface of the fixed box 37 is fixedly connected to the sleeve 313, and the sleeve 313 is provided with a puncture needle 38.

[0033] The puncture needle 38 is overlapped with the opposite ends of the two driving rollers 315 at the same time. The optical axes at both ends of the left driving roller 315 are rotatably connected to the front and rear sides of the fixed box 37 through rolling bearings. The rear end of the left driving roller 315 is fixedly connected to the output shaft of the motor 2 316. The motor 2 316 is fixedly connected to the rear side of the fixed box 37 through a mounting seat. The input ends of the motor 2 316, the motor 1 312 and the electric push rod 34 are all electrically connected to the output end of the controller 6. The controller 6 is fixedly connected to the upper end of the handle 5. The bottom end of the handle 5 is fixedly connected to the upper surface of the mounting plate 1. The sleeve 313 is adjusted to a suitable After the angle is adjusted, the user can pass the puncture needle 38 through the sleeve 313 and place it against the left driving roller 315. At this time, the user can rotate the adjusting screw 320 to make the adjusting screw 320 move to the left along the threaded hole 317 to push the right driving roller 315 closer to the puncture needle 38. When the right driving roller 315 is in contact with the puncture needle 38, the adjusting screw 320 is stopped. Then the user can control the output shaft of the motor 2 316 to rotate clockwise through the controller 6, so that the left driving roller 315 rotates clockwise to drive the puncture needle 38 to move downward, so that the puncture needle 38 is inserted into the patient's body for puncture treatment.

[0034] The two ends of the right driving roller 315 are rotatably connected to the front and rear sides of the connecting frame 314 through rolling bearings, and the front and rear ends of the right side of the connecting frame 314 are fixedly connected to the left ends of two sliding rods 319, and the two sliding rods 319 are respectively sleeved in the two sleeve holes 318;

[0035] The middle part of the right side surface of the connecting frame 314 is rotatably connected to the left end optical axis of the adjusting screw 320 through a rolling bearing. The adjusting screw 320 is threadedly connected in the threaded hole 317. The threaded hole 317 and the two sleeve holes 318 are all opened in the right side surface of the fixing box 37. The outer side surfaces of the two driving rollers 315 are both annularly provided with strip-shaped protrusions. By providing the strip-shaped protrusions on the outer side surfaces of the driving rollers 315, the friction between the driving rollers 315 and the puncture needle 38 is increased by utilizing the strip-shaped protrusions, thereby improving the driving effect of the driving roller 315 on the puncture needle 38.

[0036] The operating steps of the present invention are:

[0037] When using the device, the user can hold the handle 5 with one hand to take the mounting plate 1 and move it so that the ultrasonic probe 2 and the puncture mechanism 3 are both placed at the puncture position. The user can first use the ultrasonic probe 2 to detect the puncture position, and the user can adjust the angle of the sleeve 313 to change the needle insertion angle according to the detection result of the ultrasonic probe 2. At this time, the user can control the electric push rod 34 to extend and retract through the controller 6 to drive the rotating shaft 1 31 and the sleeve 313 to swing left and right through the toothed plate 33 and the gear 32, and the user can control the motor 1 312 to work through the controller 6 to drive the rotating shaft 2 311 and the sleeve 313 to swing back and forth through the worm gear 310 and the worm 39;

[0038] After adjusting the sleeve 313 to a suitable angle, the user can pass the puncture needle 38 through the sleeve 313 and place it against the left driving roller 315. At this time, the user can rotate the adjusting screw 320 to make the adjusting screw 320 move to the left along the threaded hole 317 to push the right driving roller 315 closer to the puncture needle 38. When the right driving roller 315 is in contact with the puncture needle 38, the adjusting screw 320 is stopped from rotating. Then, the user can control the output shaft of the motor 2 316 to rotate clockwise through the controller 6 so that the left driving roller 315 rotates clockwise to drive the puncture needle 38 downward, so that the puncture needle 38 is inserted into the patient's body for puncture treatment.

[0039] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultrasound-guided gynecological puncture and suction device, comprising a mounting plate (1), characterized in that: The right side of the mounting plate (1) is provided with a mounting groove 1 (4), the mounting groove 1 (4) penetrates and connects the upper and lower surfaces of the mounting plate (1), and a puncture mechanism (3) is arranged in the mounting groove 1 (4). The left side of the mounting plate (1) is provided with a mounting groove 2 (7), the mounting groove 2 (7) penetrates and connects the upper, lower and left sides of the mounting plate (1), and an ultrasonic probe (2) and two clamping plates (8) are sleeved in the mounting groove 2 (7), and the opposite surfaces of the two clamping plates (8) are overlapped with the outer side surface of the ultrasonic probe (2).

2. The ultrasound-guided gynecological puncture and aspiration device according to claim 1, characterized in that: The right sides of the two clamping plates (8) are fixedly connected to the left sides of the two nuts (11), respectively. The two nuts (11) are respectively threadedly connected to two sections of thread grooves with opposite spiral directions on the lead screw (10), and the two nuts (11) are also slidably connected to the slide groove (9).

3. The ultrasound-guided gynecological puncture and aspiration device according to claim 2, characterized in that: The slide groove (9) is arranged on the right side surface of the second mounting groove (7), and the optical axes at both ends of the lead screw (10) are rotatably connected to the front and rear side surfaces of the slide groove (9) respectively through rolling bearings, and the front end of the lead screw (10) extends to the front side of the mounting plate (1).

4. The ultrasound-guided gynecological puncture and aspiration device according to claim 3, characterized in that: The puncture mechanism (3) comprises two rotating shafts (31), the opposite ends of the two rotating shafts (31) are rotatably connected to the front and rear side surfaces of the mounting groove (4) respectively through rolling bearings, and the front end of the front rotating shaft (31) is fixedly connected to the gear (32).

5. The ultrasound-guided gynecological puncture and aspiration device according to claim 4, characterized in that: The gear (32) is meshedly connected with the tooth plate (33); the left side of the tooth plate (33) is fixedly connected to the right end of the electric push rod (34); the left end of the electric push rod (34) is fixedly connected to the right side of the fixed plate (35); the rear side of the fixed plate (35) is fixedly connected to the front side of the mounting plate (1); and the opposite ends of the two rotating shafts (31) are fixedly connected to the front and rear sides of the fixed frame (36), respectively.

6. The ultrasound-guided gynecological puncture and aspiration device according to claim 5, characterized in that: The left and right side surfaces of the fixed frame (36) are rotatably connected to the opposite ends of the two rotating shafts (311) respectively through rolling bearings, the left end of the left rotating shaft (311) is fixedly connected to the worm wheel (310), the worm wheel (310) is meshedly connected to the worm (39), and the front end of the worm (39) is fixedly connected to the output shaft of the motor (312).

7. The ultrasound-guided gynecological puncture and aspiration device according to claim 6, characterized in that: The outer side surface of the motor 1 (312) is fixedly connected to the left side surface of the fixed frame (36), the opposite ends of the two rotating shafts 2 (311) are respectively fixedly connected to the left and right sides of the fixed box (37), the bottom surface of the fixed box (37) is fixedly connected to the sleeve (313), and the sleeve (313) is provided with a puncture needle (38).

8. The ultrasound-guided gynecological puncture and aspiration device according to claim 7, characterized in that: The puncture needle (38) is overlapped with the opposite ends of the two driving rollers (315) at the same time. The optical axes at both ends of the driving roller (315) on the left side are rotatably connected to the front and rear sides of the fixed box (37) through rolling bearings respectively. The rear end of the driving roller (315) on the left side is fixedly connected to the output shaft of the second motor (316). The second motor (316) is fixedly connected to the rear side of the fixed box (37) through a mounting seat. The input ends of the second motor (316), the first motor (312) and the electric push rod (34) are all electrically connected to the output end of the controller (6). The controller (6) is fixedly connected to the upper end of the handle (5). The bottom end of the handle (5) is fixedly connected to the upper surface of the mounting plate (1).

9. The ultrasound-guided gynecological puncture and aspiration device according to claim 8, characterized in that: The two ends of the driving roller (315) on the right side are rotatably connected to the front and rear sides of the connecting frame (314) through rolling bearings, and the front and rear ends of the right side of the connecting frame (314) are fixedly connected to the left ends of two sliding rods (319), and the two sliding rods (319) are respectively sleeved in the two sleeve holes (318); The middle part of the right side surface of the connecting frame (314) is rotatably connected to the left end optical axis of the adjusting screw (320) through a rolling bearing, and the adjusting screw (320) is threadedly connected in the threaded hole (317). The threaded hole (317) and the two sleeve holes (318) are both provided in the right side surface of the fixing box (37), and the outer side surfaces of the two driving rollers (315) are both provided with strip-shaped protrusions in an annular shape.

10. The method for using the ultrasound-guided gynecological puncture and suction device according to claim 9 comprises the following steps: S1. When using the device, the user can hold the handle (5) with one hand to take the mounting plate (1) and move it so that the ultrasonic probe (2) and the puncture mechanism (3) are both placed at the puncture position. The user can first use the ultrasonic probe (2) to detect the puncture position, and the user can adjust the angle of the sleeve (313) to change the needle insertion angle according to the detection result of the ultrasonic probe (2). At this time, the user can control the electric push rod (34) to extend and retract through the controller (6) to drive the rotating shaft (31) and the sleeve (313) to swing left and right through the toothed plate (33) and the gear (32), and the user can control the motor (312) to work through the controller (6) to drive the rotating shaft (311) and the sleeve (313) to swing back and forth through the worm gear (310) and the worm (39); S2. After adjusting the sleeve (313) to a suitable angle, the user can pass the puncture needle (38) through the sleeve (313) and place it in contact with the left drive roller (315). At this time, the user can rotate the adjusting screw (320) so that the adjusting screw (320) moves to the left along the threaded hole (317) to push the right drive roller (315) closer to the puncture needle (38). When the right drive roller (315) and the puncture needle (38) are in contact, the user stops rotating the adjusting screw (320). Then, the user can control the output shaft of the second motor (316) to rotate clockwise through the controller (6) so that the left drive roller (315) rotates clockwise to drive the puncture needle (38) downward, so that the puncture needle (38) is inserted into the patient's body for puncture treatment.

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