Multifunctional needle inserting device for percutaneous lung puncture under guidance of CT (Computed Tomography) image

Abstract

The invention provides a multifunctional needle inserting device for percutaneous lung puncture under the guidance of a CT image, and relates to the technical field of medical instruments. A motor base is installed at the left end of the base plate through bolts, a first motor is installed on the motor base through bolts, a chain wheel is fixed to an output shaft of the first motor, and a rotating column is installed on the base plate through a bearing. The front-back position of a puncture needle is adjusted by operating a third motor, the orientation of the puncture needle can be adjusted by operating a fourth motor, the height of the puncture needle can be adjusted by operating a fifth motor, a fifth hydraulic rod is stretched out and drawn back to enable a sliding seat to drive a rotating rod to rotate, and adjustment of the puncture elevation angle of the puncture needle is achieved; the sixth motor is operated to enable the moving seat to move on the mounting seat, so that the puncture needle punctures the diseased region, and the flexibility is high; a first hydraulic rod extends to enable a first rotating ring to drive six sets of movable seats to move, six sets of clamping plates clamp the puncture needle, and the first hydraulic rod retracts to quickly disassemble the puncture needle.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a multifunctional needle inserter for percutaneous lung puncture under the guidance of CT images. Background Art

[0002] Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including required computer software, etc. A puncture needle inserter is a medical device for special patients. CT intervention is the clinical use of CT images to guide puncture biopsy and treatment of lesions, such as various ablation treatments for tumors and radioactive particle implantation. The present invention is a multifunctional percutaneous lung puncture needle inserter guided by CT images.

[0003] The existing puncture needle inserter is not convenient for adjusting the needle insertion angle, has low flexibility, and is inconvenient to assemble and disassemble the puncture needle, which affects the puncture efficiency. Summary of the invention

[0004] The disclosed embodiment relates to a multifunctional needle inserter for percutaneous lung puncture under CT image guidance, so as to solve the problems that the existing puncture needle inserter is not convenient for adjusting the needle insertion angle, has low flexibility, and is inconvenient to assemble and disassemble the puncture needle, thus affecting the puncture efficiency.

[0005] In a first aspect, the present disclosure provides a multifunctional needle inserter for percutaneous lung puncture under CT image guidance, specifically comprising: a seat plate; The left end of the seat plate is equipped with a motor seat by bolts, and a No. 1 motor is installed on the motor seat by bolts, a sprocket is fixed on the output shaft of the No. 1 motor, and a rotating column is installed on the seat plate by a bearing, a sprocket and a gear are fixed on the rotating column, and the rotating column is connected to the output shaft of the No. 1 motor by a chain, a sealing plate is fixed to the right end of the seat plate, a gear plate rotates between the sealing plate and the seat plate, the gear plate meshes with the gear on the rotating column, a circular groove is arranged on the left side of the gear plate, four groups of grooves are arranged on the left end of the seat plate, a mounting plate is installed in the groove by bolts, a stabilizing wheel is installed on the mounting plate by a bearing, the stabilizing wheel contacts the side wall of the groove on the left side of the gear plate, a through hole is arranged on the gear plate, a fixing plate is fixed to the left end of the gear plate, six groups of lubrication seats are arranged on the left side of the fixing plate, and the left and right ends of the lubrication seat are respectively equipped with There are two groups of No. 1 blocks and No. 2 blocks, a cover plate is arranged on the left side of the lubrication seat, the cover plate is connected to the left end of the No. 2 block by bolts, a slide groove is arranged on the cover plate, a No. 1 rotating circle is rotated between the lubrication seat and the fixed plate, a No. 2 rotating circle is rotated between the lubrication seat and the cover plate, arc grooves are arranged on both the No. 1 rotating circle and the No. 2 rotating circle, and a movable seat is arranged between the two adjacent groups of lubrication seats, a clamping plate is fixed on the movable seat, and the right end of the movable seat moves in the arc groove on the No. 1 rotating circle, a No. 1 plate moves in the arc groove on the No. 2 rotating circle, a No. 2 plate is connected to the No. 1 plate, and the No. 2 plate moves in the slide groove on the cover plate, two groups of cylinder seats are fixed on the fixed plate, a No. 1 hydraulic rod and a No. 2 hydraulic rod are respectively hinged on the two groups of cylinder seats, and the piston rods of the No. 1 hydraulic rod and the No. 2 hydraulic rod are respectively connected to the No. 1 rotating circle and the No. 2 rotating circle through pins.

[0006] In at least some embodiments, The left and right ends of the lubrication seat are both provided with lubrication grooves, and the lubrication seat is provided with oil filling holes, which are connected to the lubrication grooves at the left and right ends of the lubrication seat. A rotating wheel is installed on the lubrication seat, and a groove is provided on the movable seat, and the rotating wheel contacts the groove on the movable seat.

[0007] In at least some embodiments, A puncture needle is clamped between the six groups of clamping plates, and a cylindrical seat is clamped between the No. 2 plates on the cover plate, a support plate is installed on the cylindrical seat by bolts, a No. 2 motor is installed on the support plate by bolts, a cylinder seat is rotatable on the cylindrical seat, the cylinder seat and the output shaft of the No. 2 motor are connected by a belt, a heater is fixed on the cylinder seat, and the tail of the puncture needle is inserted into the inside of the heater.

[0008] In at least some embodiments, A base plate is provided below the seat plate, two groups of support plates are fixed at the lower end of the base plate, a sliding plate is slidably provided at the upper end of the base plate, a No. 3 motor is mounted on the base plate via bolts, a pulley is fixed on the output shaft of the No. 3 motor, a pulley is mounted on the base plate via a bearing, a transmission belt is connected between the pulley on the output shaft of the No. 3 motor and the pulley on the base plate, and the transmission belt is fixedly connected to the lower end of the sliding plate.

[0009] In at least some embodiments, A fixing frame is fixed on the upper end of the sliding plate, a lifting frame slides on the fixing frame, a No. 3 hydraulic rod is installed between the fixing frame and the lifting frame, and two groups of buffer seats are fixed on the upper and lower ends of the fixing frame, and buffers are installed on the buffer seats.

[0010] In at least some embodiments, The lifting frame is hinged with an articulated seat, a driving wheel is installed on the articulated seat, a No. 4 hydraulic rod is installed between the articulated seat and the lifting frame, a gearbox is installed on the lifting frame through bolts, a No. 4 electric motor is installed on the gearbox through bolts, the output end of the gearbox is connected to the central axis of the driving wheel through a universal joint shaft, side wheels and supporting wheels are installed on the upper end of the lifting frame, and a rotating seat is rotatable on the upper end of the lifting frame.

[0011] In at least some embodiments, A shell seat is fixed on the upper end of the rotating seat, and a column rod is installed on the shell seat by bolts. The column rod is set to a hollow structure, and through grooves are provided on the left and right ends of the column rod. A gear box is installed on the shell seat by bolts, and a No. 5 electric motor is installed on the gear box by bolts. A bevel gear is fixed on the output shaft of the gear box, and a screw rod is installed in the shell seat through a bearing, and a bevel gear is fixed on the screw rod. The two sets of bevel gears are meshed with each other, and a mating seat is threaded on the screw rod. A movable sleeve is movable on the column rod, and two sets of connecting blocks are installed on the movable sleeve. The two sets of connecting blocks are connected to the mating seat by bolts, and a locking knob is threaded on the movable sleeve.

[0012] In at least some embodiments, A fixed seat is fixed on the movable sleeve, a sliding seat is slidably mounted on the fixed seat, a sliding groove is arranged on the sliding seat, and a rotating rod is rotatably mounted on the fixed seat, a connecting plate is fixed on the rotating rod, and the upper end of the connecting plate is movably connected in the sliding groove on the sliding seat, a side seat is installed on the sliding seat by bolts, a support is installed on the fixed seat by bolts, a No. 5 hydraulic rod is fixed on the support, and a piston rod of the No. 5 hydraulic rod is connected to the side seat.

[0013] In at least some embodiments, A locking seat is installed on the rotating rod through bolts, a connecting seat is fixed on the locking seat, and a supporting plate is installed on the connecting seat through bolts.

[0014] In at least some embodiments, A mounting seat is fixed on the support plate, and trapezoidal rails are installed on the upper and lower ends of the mounting seat by bolts, and a toothed plate is fixed on the mounting seat, a movable seat is movable on the mounting seat, a No. 6 motor is installed on the movable seat by bolts, a gear is fixed on the output shaft of the No. 6 motor, the gear on the output shaft of the No. 6 motor meshes with the toothed plate on the mounting seat, and moving wheels are provided on the upper and lower ends of the moving seat, the moving wheels are in contact with the trapezoidal rails, and the seat plate is fixed to the upper end of the moving seat.

[0015] The present invention provides a multifunctional needle inserter for percutaneous lung puncture under CT image guidance, which has the following beneficial effects: The present invention adjusts the front and rear positions of the puncture needle by running the No. 3 motor, adjusts the direction of the puncture needle by running the No. 4 motor, and adjusts the height of the puncture needle by running the No. 5 motor. The sliding seat drives the rotating rod to rotate by telescoping the No. 5 hydraulic rod to adjust the puncture elevation angle of the puncture needle. The No. 6 motor moves the movable seat on the mounting seat to enable the puncture needle to puncture the lesion site, which facilitates the adjustment of the insertion angle of the puncture needle and has high flexibility.

[0016] In addition, a movable seat is provided between two adjacent groups of lubrication seats in the present invention, and a clamping plate is fixed on the movable seat. By extending the No. 1 hydraulic rod, the No. 1 rotating circle drives the six groups of movable seats to move, so that the six groups of clamping plates clamp the puncture needle. The No. 1 hydraulic rod can be retracted to quickly disassemble the puncture needle. The No. 2 motor is operated to rotate the heater. When the puncture needle is installed, the puncture needle is inserted from the left side of the heater to the right side. The puncture needle is heated by the heater so that the temperature of the puncture needle body is close to the human body temperature to avoid irritation to human tissue. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0018] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture: Figure 1 A schematic diagram showing the overall structure of the present application; Figure 2 This application shows Figure 1 A schematic diagram of the enlarged structure of part A; Figure 3 A schematic structural diagram of a fixing frame of the present application is shown; Figure 4 This application shows Figure 3 A schematic diagram of the enlarged structure of part B; Figure 5 This application shows Figure 3A schematic diagram of the enlarged structure of the middle C part; Figure 6 A schematic diagram of the structure of the housing seat of the present application is shown; Figure 7 A schematic diagram of the structure of the fixing seat of the present application is shown; Figure 8 A schematic structural diagram of the mounting base of the present application is shown; Fig. 9 A schematic structural diagram of the seat plate of the present application is shown; Fig.10 A schematic diagram of the structure of the gear plate of the present application is shown; Fig.11 A schematic structural diagram of a fixing plate of the present application is shown; Fig.12 This application shows Fig.11 A schematic diagram of the enlarged structure of the D part; Fig.13 The structural schematic diagram of the columnar seat of the present application is shown; Fig.14 This application shows Fig.13 Schematic diagram of the enlarged structure of part E in the middle.

[0020] Reference numerals list 1. Bottom plate; 11. Support plate; 12. Sliding plate; 121. No. 3 motor; 122. Transmission belt; 13. Fixed frame; 131. No. 3 hydraulic rod; 132. Buffer seat; 1321. Buffer; 14. Lifting frame; 141. Articulated seat; 1411. Driving wheel; 142. No. 4 hydraulic rod; 143. Gearbox; 1431. No. 4 motor; 144. Side wheel; 145. Support wheel; 146. Rotating seat; 15. Shell seat; 151. Gearbox; 1511. No. 5 motor; 152. Column rod; 1521. Screw rod; 1522. Matching seat; 153. Movable sleeve; 1531. Connecting block; 1532. Locking knob; 2. Fixed seat; 21. Sliding seat; 211. Side seat; 22. Support seat; 221. No. 5 hydraulic rod; 23. Rotating rod; 231. Connecting plate; 232. Locking seat; 233. Connecting seat; 234. Support plate; 24. Mounting seat; 241. Trapezoidal rail; 242. Moving seat; 2421. Moving wheel; 2422. No. 6 motor; 3. Seat plate; 31. Motor seat; 311. No. 1 motor; 32. Rotating column; 33. Mounting plate; 331. Stabilizing wheel; 34. Closing plate; 35. Gear plate; 36. Fixed plate; 361. Lubrication seat; 3611. No. 1 block; 3612. Oil filling hole; 3613. Lubrication groove; 3614. Rotating wheel; 362. No. 1 rotating circle; 363. Cylinder seat; 364. No. 1 hydraulic rod; 365. No. 2 hydraulic rod; 366. Movable seat; 3661. Clamping plate; 367. No. 2 rotating circle; 3671. No. 2 block; 3672. No. 1 plate; 3673. No. 2 plate; 368. Cover plate; 37. Column seat; 371. Support plate; 3711. No. 2 motor; 372. Cylinder seat; 38. Heater; 39. Puncture needle. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment 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.

[0022] Example 1: Please refer to Figures 1 to 14 : The present invention proposes a multifunctional needle inserter for percutaneous lung puncture under CT image guidance, comprising: a seat plate 3; A motor base 31 is installed at the left end of the seat plate 3 by bolts, and a No. 1 motor 311 is installed on the motor base 31 by bolts, a sprocket is fixed on the output shaft of the No. 1 motor 311, and a rotating column 32 is installed on the seat plate 3 by a bearing, a sprocket and a gear are fixed on the rotating column 32, and the rotating column 32 is connected to the output shaft of the No. 1 motor 311 by a chain, and a sealing plate 34 is fixed to the right end of the seat plate 3, and a gear plate 35 rotates between the sealing plate 34 and the seat plate 3, and the gear plate 35 meshes with the gear on the rotating column 32. A circular groove is provided on the left side, four groups of grooves are provided on the left end of the seat plate 3, a mounting plate 33 is installed in the groove by bolts, a stabilizing wheel 331 is installed on the mounting plate 33 by a bearing, the stabilizing wheel 331 contacts the side wall of the groove on the left side of the gear plate 35, a through hole is provided on the gear plate 35, a fixing plate 36 is fixed to the left end of the gear plate 35, six groups of lubrication seats 361 are provided on the left side of the fixing plate 36, two groups of No. 1 blocks 3611 and No. 2 blocks 3671 are respectively installed on the left and right ends of the lubrication seat 361 by bolts, and the left side of the lubrication seat 361 A cover plate 368 is provided, and the cover plate 368 is connected to the left end of the second block 3671 by bolts. A slide groove is provided on the cover plate 368. A first rotating circle 362 is rotated between the lubrication seat 361 and the fixed plate 36, and a second rotating circle 367 is rotated between the lubrication seat 361 and the cover plate 368. An arc groove is provided on the first rotating circle 362 and the second rotating circle 367, and a movable seat 366 is provided between two adjacent groups of lubrication seats 361. A clamping plate 3661 is fixed on the movable seat 366, and the right end of the movable seat 366 is movable. A plate No. 1672 moves in the arc groove on the No. 1 rotating circle 362 and in the arc groove on the No. 2 rotating circle 367. The No. 1 plate 3672 is connected to the No. 2 plate 3673. The No. 2 plate 3673 moves in the slide groove on the cover plate 368. Two groups of cylinder seats 363 are fixed on the fixed plate 36. The two groups of cylinder seats 363 are hinged with a No. 1 hydraulic rod 364 and a No. 2 hydraulic rod 365 respectively. The piston rods of the No. 1 hydraulic rod 364 and the No. 2 hydraulic rod 365 are respectively connected to the No. 1 rotating circle 362 and the No. 2 rotating circle 367 through pins.

[0023] In the disclosed embodiment, The left and right ends of the lubrication seat 361 are both provided with lubrication grooves 3613, and the lubrication seat 361 is provided with oil filling holes 3612, which are connected to the lubrication grooves 3613 on the left and right ends of the lubrication seat 361, and a rotating wheel 3614 is installed on the lubrication seat 361, and a groove is provided on the movable seat 366, and the rotating wheel 3614 is in contact with the groove on the movable seat 366, and its function is: the lubrication oil is injected into the lubrication groove 3613 through the oil filling hole 3612, which can improve the rotation smoothness of the No. 1 rotating circle 362 and the No. 2 rotating circle 367.

[0024] In the disclosed embodiment, The puncture needle 39 is clamped between the six groups of clamping plates 3661, and a cylindrical seat 37 is clamped between the No. 2 plates 3673 on the cover plate 368. A support plate 371 is installed on the cylindrical seat 37 by bolts, and a No. 2 motor 3711 is installed on the support plate 371 by bolts. A cylinder seat 372 is rotatable on the cylindrical seat 37, and the cylinder seat 372 is connected to the output shaft of the No. 2 motor 3711 by a belt. A heater 38 is fixed on the cylinder seat 372, and the tail of the puncture needle 39 is inserted into the inside of the heater 38. Its function is: when the puncture needle 39 is installed, the puncture needle 39 is inserted from the left side of the heater 38 to the right side, and the puncture needle 39 is heated by the heater 38, so that the temperature of the puncture needle 39 body is close to the human body temperature to avoid irritation to human tissue.

[0025] In the disclosed embodiment, A bottom plate 1 is arranged below the seat plate 3, two groups of support plates 11 are fixed at the lower end of the bottom plate 1, a sliding plate 12 is slidably arranged at the upper end of the bottom plate 1, a No. 3 motor 121 is installed on the bottom plate 1 through bolts, a pulley is fixed on the output shaft of the No. 3 motor 121, a pulley is installed on the bottom plate 1 through a bearing, a transmission belt 122 is connected between the pulley on the output shaft of the No. 3 motor 121 and the pulley on the bottom plate 1, the transmission belt 122 is fixedly connected to the lower end of the sliding plate 12, a fixed frame 13 is fixed at the upper end of the sliding plate 12, a lifting frame 14 is slidably arranged on the fixed frame 13, a No. 3 hydraulic rod 131 is installed between the fixed frame 13 and the lifting frame 14, and two groups of buffer seats 132 are fixed at the upper and lower ends of the fixed frame 13, a buffer 1321 is installed on the buffer seat 132, and a An articulated seat 141 is provided with a driving wheel 1411, a No. 4 hydraulic rod 142 is provided between the articulated seat 141 and the lifting frame 14, a gearbox 143 is provided on the lifting frame 14 by bolts, a No. 4 motor 1431 is provided on the gearbox 143 by bolts, an output end of the gearbox 143 is connected to the central axis of the driving wheel 1411 by a universal joint shaft, a side wheel 144 and a supporting wheel 145 are provided on the upper end of the lifting frame 14, a rotating seat 146 is provided on the upper end of the lifting frame 14 for rotation, and its function is: operating the No. 3 motor 121 to adjust the front and rear position of the puncture needle 39, contracting the No. 4 hydraulic rod 142 to make the driving wheel 1411 contact with the rotating seat 146, operating the No. 4 motor 1431 to rotate the rotating seat 146, and adjusting the direction of the puncture needle 39.

[0026] In the disclosed embodiment, The upper end of the rotating seat 146 is fixed with a housing seat 15, and a column 152 is installed on the housing seat 15 by bolts. The column 152 is set as a hollow structure, and the left and right ends of the column 152 are provided with through grooves. A gear box 151 is installed on the housing seat 15 by bolts, and a No. 5 motor 1511 is installed on the gear box 151 by bolts. A bevel gear is fixed on the output shaft of the gear box 151, and a screw rod 1521 is installed in the housing seat 15 by a bearing, and a bevel gear is fixed on the screw rod 1521. Two sets of bevel gears The wheels are meshed with each other, the screw rod 1521 is threadedly matched with a matching seat 1522, the column rod 152 is movably provided with a movable sleeve 153, and two groups of connecting blocks 1531 are installed on the movable sleeve 153. The two groups of connecting blocks 1531 are connected to the matching seat 1522 by bolts, and a locking knob 1532 is threadedly screwed on the movable sleeve 153. Its function is: running the No. 5 motor 1511 to rotate the screw rod 1521, so as to realize the up and down movement of the movable sleeve 153, so as to facilitate the adjustment of the height of the puncture needle 39.

[0027] Embodiment 2, based on embodiment 1, The movable sleeve 153 is fixed with a fixed seat 2, a sliding seat 21 is slidably mounted on the fixed seat 2, a sliding groove is arranged on the sliding seat 21, and a rotating rod 23 is rotatably mounted on the fixed seat 2, a connecting plate 231 is fixed on the rotating rod 23, the upper end of the connecting plate 231 is movably connected in the sliding groove on the sliding seat 21, a side seat 211 is mounted on the sliding seat 21 by bolts, a support 22 is mounted on the fixed seat 2 by bolts, a No. 5 hydraulic rod 221 is fixed on the support 22, and a No. 5 hydraulic rod 221 is fixed on the support 22. The piston rod of the pressure rod 221 is connected to the side seat 211, and a locking seat 232 is installed on the rotating rod 23 by bolts, and a connecting seat 233 is fixed on the locking seat 232, and a supporting plate 234 is installed on the connecting seat 233 by bolts. Its function is: the No. 5 hydraulic rod 221 is telescopic to make the sliding seat 21 movable, and the sliding seat 21 drives the rotating rod 23 to rotate through the connecting plate 231, and the elevation angle of the supporting plate 234 can be adjusted, so as to facilitate the adjustment of the insertion angle of the puncture needle 39.

[0028] Embodiment 3, based on Embodiment 1 and Embodiment 2, A mounting base 24 is fixed on the support plate 234, and trapezoidal rails 241 are installed on the upper and lower ends of the mounting base 24 by bolts, and a toothed plate is fixed on the mounting base 24, and a movable base 242 is movable on the mounting base 24, and a No. 6 motor 2422 is installed on the movable base 242 by bolts, and a gear is fixed on the output shaft of the No. 6 motor 2422, and the gear on the output shaft of the No. 6 motor 2422 meshes with the toothed plate on the mounting base 24, and moving wheels 2421 are provided on the upper and lower ends of the moving base 242, and the moving wheels 2421 are in contact with the trapezoidal rails 241, and the seat plate 3 is fixed to the upper end of the moving base 242, and its function is: running the No. 6 motor 2422 makes the moving base 242 move on the mounting base 24, so that the puncture needle 39 punctures the lesion.

[0029] The working principle of this embodiment is as follows: the No. 3 motor 121 is operated to adjust the front and rear positions of the puncture needle 39, the No. 4 hydraulic rod 142 is retracted to make the driving wheel 1411 contact the rotating seat 146, the No. 4 motor 1431 is operated to rotate the rotating seat 146, and the direction of the puncture needle 39 can be adjusted, the No. 5 motor 1511 is operated to rotate the screw rod 1521, and the movable sleeve 153 is moved up and down, which is convenient for adjusting the height of the puncture needle 39, and the No. 5 hydraulic rod 221 is extended to make the sliding seat 21 move, and the sliding seat 21 drives the rotating rod 23 to rotate through the connecting plate 231, and the elevation angle of the support plate 234 can be adjusted, which is convenient for the puncture needle. The insertion angle of the needle 39 is adjusted, and the No. 6 motor 2422 is operated to move the movable seat 242 on the mounting seat 24, so that the puncture needle 39 punctures the diseased part. When the puncture needle 39 is installed, the puncture needle 39 is inserted from the left side of the heater 38 to the right side, and the puncture needle 39 is heated by the heater 38 to make the temperature of the puncture needle 39 body close to the human body temperature to avoid irritation to the human tissue. By extending the No. 1 hydraulic rod 364, the No. 1 rotating circle 362 drives the six groups of movable seats 366 to move, so that the six groups of clamping plates 3661 clamp the puncture needle 39, and the No. 1 hydraulic rod 364 can be retracted to quickly remove the puncture needle 39.

[0030] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0031] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0032] The above are only specific implementation methods of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be covered by the protection scope of the present disclosure.

Claims

1. A multifunctional needle inserter for percutaneous lung puncture under CT image guidance, comprising: The seat plate (3) is characterized in that: The left end of the seat plate (3) is mounted with a motor seat (31) by bolts, a No. 1 motor (311) is mounted on the motor seat (31) by bolts, a sprocket is fixed on the output shaft of the No. 1 motor (311), and a rotating column (32) is mounted on the seat plate (3) by bearings, a sprocket and a gear are fixed on the rotating column (32), the rotating column (32) and the output shaft of the No. 1 motor (311) are connected by a chain, a sealing plate (34) is fixed on the right end of the seat plate (3), a gear plate (35) is rotated between the sealing plate (34) and the seat plate (3), the gear plate (35) is meshed with the gear on the rotating column (32), and the gear plate (35) is meshed with the gear on the rotating column (32). A circular groove is provided on the left side of the gear plate (35), four groups of grooves are provided on the left end of the seat plate (3), a mounting plate (33) is installed in the groove by bolts, a stabilizing wheel (331) is installed on the mounting plate (33) by bearings, the stabilizing wheel (331) contacts the side wall of the groove on the left side of the gear plate (35), a through hole is provided on the gear plate (35), a fixing plate (36) is fixed on the left end of the gear plate (35), six groups of lubrication seats (361) are provided on the left side of the fixing plate (36), two groups of No. 1 blocks (3611) and No. 2 blocks (3671) are respectively installed on the left and right ends of the lubrication seat (361) by bolts, and the left end of the lubrication seat (361) is provided with a fixing plate (3611) and a fixing plate (3671). A cover plate (368) is provided on the side, the cover plate (368) is connected to the left end of the second block (3671) by bolts, a slide groove is provided on the cover plate (368), a first rotating circle (362) is rotated between the lubrication seat (361) and the fixed plate (36), a second rotating circle (367) is rotated between the lubrication seat (361) and the cover plate (368), an arc groove is provided on the first rotating circle (362) and the second rotating circle (367), and a movable seat (366) is provided between two adjacent groups of lubrication seats (361), a clamping plate (3661) is fixed on the movable seat (366), and the right end of the movable seat (366) is movable A first plate (3672) moves in an arc groove on a first rotating circle (362), a second plate (3673) moves in an arc groove on a second rotating circle (367), the first plate (3672) is connected to the second plate (3673), the second plate (3673) moves in a slide groove on a cover plate (368), two groups of cylinder seats (363) are fixed on the fixed plate (36), a first hydraulic rod (364) and a second hydraulic rod (365) are hinged on the two groups of cylinder seats (363), and piston rods of the first hydraulic rod (364) and the second hydraulic rod (365) are connected to the first rotating circle (362) and the second rotating circle (367) through pins.

2. A multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 1, characterized in that: The left and right ends of the lubrication seat (361) are both provided with lubrication grooves (3613), the lubrication seat (361) is provided with an oil injection hole (3612), the oil injection hole (3612) is connected to the lubrication grooves (3613) at the left and right ends of the lubrication seat (361), and a rotating wheel (3614) is installed on the lubrication seat (361), and a groove is provided on the movable seat (366), and the rotating wheel (3614) is in contact with the groove on the movable seat (366).

3. The multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 1, characterized in that: The puncture needle (39) is clamped between the six groups of clamping plates (3661), and a cylindrical seat (37) is clamped between the second plate (3673) on the cover plate (368), a support plate (371) is installed on the cylindrical seat (37) by bolts, and a second motor (3711) is installed on the support plate (371) by bolts, a cylinder seat (372) is rotatably mounted on the cylindrical seat (37), the cylinder seat (372) and the output shaft of the second motor (3711) are connected by a belt, a heater (38) is fixed on the cylinder seat (372), and the tail of the puncture needle (39) is inserted into the interior of the heater (38).

4. The multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 1, characterized in that: A bottom plate (1) is provided below the seat plate (3), two groups of support plates (11) are fixed at the lower end of the bottom plate (1), a sliding plate (12) is slidably provided at the upper end of the bottom plate (1), a third motor (121) is mounted on the bottom plate (1) via bolts, a belt pulley is fixed on the output shaft of the third motor (121), a belt pulley is mounted on the bottom plate (1) via a bearing, a transmission belt (122) is connected between the belt pulley on the output shaft of the third motor (121) and the belt pulley on the bottom plate (1), and the transmission belt (122) is fixedly connected to the lower end of the sliding plate (12).

5. The multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 4, characterized in that: A fixing frame (13) is fixed at the upper end of the sliding plate (12), a lifting frame (14) is slidably mounted on the fixing frame (13), a third hydraulic rod (131) is mounted between the fixing frame (13) and the lifting frame (14), and two groups of buffer seats (132) are fixed at the upper and lower ends of the fixing frame (13), and a buffer (1321) is mounted on the buffer seat (132).

6. The multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 5, characterized in that: The lifting frame (14) is hinged with an articulated seat (141), a driving wheel (1411) is installed on the articulated seat (141), a No. 4 hydraulic rod (142) is installed between the articulated seat (141) and the lifting frame (14), a gearbox (143) is installed on the lifting frame (14) by bolts, a No. 4 electric motor (1431) is installed on the gearbox (143) by bolts, an output end of the gearbox (143) is connected to the central axis of the driving wheel (1411) by a universal connecting shaft, a side wheel (144) and a supporting wheel (145) are installed on the upper end of the lifting frame (14), and a rotating seat (146) is rotatably provided on the upper end of the lifting frame (14).

7. The multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 6, characterized in that: The upper end of the rotating seat (146) is fixed with a housing seat (15), a column rod (152) is installed on the housing seat (15) by means of bolts, the column rod (152) is set as a hollow structure, and the left and right ends of the column rod (152) are both provided with through grooves, a gear box (151) is installed on the housing seat (15) by means of bolts, a No. 5 motor (1511) is installed on the gear box (151) by means of bolts, a bevel gear is fixed on the output shaft of the gear box (151), and a bearing is installed in the housing seat (15). A screw rod (1521) is installed, a bevel gear is fixed on the screw rod (1521), the two sets of bevel gears are meshed with each other, a threaded mating seat (1522) is matched on the screw rod (1521), a movable sleeve (153) is movable on the column rod (152), two sets of connecting blocks (1531) are installed on the movable sleeve (153), the two sets of connecting blocks (1531) are connected to the mating seat (1522) by bolts, and a locking knob (1532) is screwed on the movable sleeve (153).

8. The multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 7, characterized in that: A fixed seat (2) is fixed on the movable sleeve (153), a sliding seat (21) is slidably mounted on the fixed seat (2), a sliding groove is arranged on the sliding seat (21), a rotating rod (23) is rotatably mounted on the fixed seat (2), a connecting plate (231) is fixed on the rotating rod (23), an upper end of the connecting plate (231) is movably connected in the sliding groove on the sliding seat (21), a side seat (211) is mounted on the sliding seat (21) by bolts, a support (22) is mounted on the fixed seat (2) by bolts, a No. 5 hydraulic rod (221) is fixed on the support (22), and a piston rod of the No. 5 hydraulic rod (221) is connected to the side seat (211).

9. The multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 8, characterized in that: A locking seat (232) is mounted on the rotating rod (23) via bolts, a connecting seat (233) is fixed on the locking seat (232), and a supporting plate (234) is mounted on the connecting seat (233) via bolts.

10. The multifunctional needle inserter for percutaneous lung puncture under CT image guidance according to claim 9, characterized in that: The support plate (234) is fixed with a mounting seat (24), the upper and lower ends of the mounting seat (24) are both mounted with a trapezoidal rail (241) by bolts, and a toothed plate is fixed to the mounting seat (24), a movable seat (242) is movably mounted on the mounting seat (24), a No. 6 motor (2422) is mounted on the movable seat (242) by bolts, a gear is fixed to the output shaft of the No. 6 motor (2422), the gear on the output shaft of the No. 6 motor (2422) meshes with the toothed plate on the mounting seat (24), the upper and lower ends of the movable seat (242) are both provided with moving wheels (2421), the moving wheels (2421) are in contact with the trapezoidal rail (241), and the seat plate (3) is fixed to the upper end of the moving seat (242).

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