CN114098923A

CN114098923A - Multifunctional positioning puncture device for enterocoelia operation in gastrointestinal surgery

Info

Publication number: CN114098923A
Application number: CN202111420647.6A
Authority: CN
Inventors: 原伟伟; 黄晋熙; 李高峰
Original assignee: Henan Cancer Hospital
Current assignee: Henan Cancer Hospital
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-03-01

Abstract

The invention relates to the technical field of medical instruments, in particular to a multifunctional positioning puncture device for gastrointestinal surgery abdominal cavity operation, which comprises a bottom plate, wherein a shell is fixedly connected to the bottom plate, and a fixing clamp with adjustable height is connected to the shell; the bottom plate is fixedly connected with a power mechanism, the power mechanism is connected with the fixed clamp, the output end of the power mechanism is also connected with a second threaded rod, and a lifting rod is in threaded connection with the second threaded rod; a lifting plate is also connected in the shell in a lifting manner, the lifting rod is rotationally connected with the lifting plate, and a limiting mechanism for controlling the rotation of the lifting rod is arranged on the lifting plate; the top end of the lifting rod is connected with a sliding plate in a sliding manner, the sliding plate can slide along the fixed guide rail along with the rotation of the lifting rod, and an angle adjusting mechanism is fixedly connected onto the sliding plate; the shell is also rotatably connected with wheels, and the lifting rod is connected with a brake mechanism matched with the wheels; the invention has accurate positioning of the puncture position, can stably and safely puncture the abdominal wall of the patient and is not easy to hurt the patient.

Description

Multifunctional positioning puncture device for enterocoelia operation in gastrointestinal surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to a multifunctional positioning puncture device for gastrointestinal surgery abdominal cavity operation.

Background

The abdominal cavity is a cavity between a pelvic population and a diaphragm, and mainly plays roles of digestion and absorption, abdominal cavity hydrops is very easily caused by a human body during liver cirrhosis, small abdominal cavity hydrops usually does not cause symptoms, but large quantity of ascites can cause abdominal swelling and discomfort, shortness of breath occurs, joints of some ascites patients swell due to excessive water, severe abdominal cavity hydrops needs to be subjected to a puncture operation on the abdominal wall to determine the reason of causing ascites, the puncture operation is usually completed manually, and the abdominal wall of the patient is punctured by using a puncture needle; however, when the abdominal cavity is punctured manually, tissues near the abdominal cavity are easily damaged, the puncture position is not accurately positioned, secondary damage is easily caused to a patient, and the conventional positioning puncture device cannot be freely moved and fixed on an operating table, so that the burden of medical staff is increased, and therefore, a multifunctional positioning puncture device for the abdominal cavity operation in gastrointestinal surgery is urgently needed.

Disclosure of Invention

In order to solve the above problems, the invention provides a multifunctional positioning puncture device for enterocoelia surgery, which can accurately position a puncture position, stably and safely puncture the abdominal wall of a patient, is not easy to hurt the patient, and can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a multifunctional positioning puncture device for enterogastric surgery abdominal cavity operation comprises a bottom plate, wherein a shell and universal wheels are fixedly connected to the bottom plate, the front end of the shell is connected with a fixing clamp with adjustable height, and a lifting groove matched with the fixing clamp is formed in the shell; the bottom plate is fixedly connected with a power mechanism, the power mechanism is connected with the fixed clamp, the output end of the power mechanism is also connected with a second threaded rod, and a lifting rod is connected to the second threaded rod in a threaded manner; a lifting plate is also connected in the shell in a lifting manner, the lifting rod is rotatably connected with the lifting plate, and a limiting mechanism for controlling the rotation of the lifting rod is arranged on the lifting plate; the top end of the lifting rod is fixedly connected with a fixed guide rail, the fixed guide rail is connected with a sliding plate in a sliding manner, the sliding plate can slide along the fixed guide rail along with the rotation of the lifting rod, and the sliding plate is fixedly connected with an angle adjusting mechanism; the rear end of the shell is also rotatably connected with a wheel, the shell is provided with a brake mechanism connected with the lifting rod, and the brake mechanism is matched with the wheel.

Furthermore, the fixed clamp comprises a lifting frame in sliding connection with the lifting groove, a sliding frame is horizontally and movably connected in the lifting frame, the upper side and the lower side of the sliding frame are respectively connected with an upper clamping jaw and a lower clamping jaw, and the upper clamping jaw and the lower clamping jaw are symmetrically arranged; the sliding frame is fixedly connected with a guide post, and the upper clamping jaw and the lower clamping jaw are both provided with guide holes matched with the guide post; the upper side of the sliding frame is rotatably connected with a first parallel rod and a second parallel rod, the other ends of the first parallel rod and the second parallel rod are rotatably connected with the upper clamping jaw, and the lower clamping jaw is also connected with the sliding frame; still rotate on the crane and be connected with the fastening threaded rod, carriage and fastening threaded rod threaded connection.

Furthermore, a support seat is fixedly connected to the shell, a driving belt wheel and a first adjusting knob are rotatably connected to the support seat, and the first adjusting knob and the driving belt wheel are coaxially and fixedly connected; the shell is also rotatably connected with a first threaded rod, the top end of the first threaded rod is fixedly connected with a driven belt wheel, and the driving belt wheel and the driven belt wheel are connected with a belt; the first threaded rod is in threaded connection with the lifting frame.

Furthermore, the power mechanism comprises a power motor fixedly connected with the bottom plate, the output end of the power motor is fixedly connected with a first driving bevel gear, the first driving bevel gear is meshed with a first driven bevel gear, the first driven bevel gear is coaxially and fixedly connected with a telescopic rod, the top end of the telescopic rod is fixedly connected with a second driving bevel gear, the second driving bevel gear is meshed with a second driven bevel gear, and the second driven bevel gear is fixedly connected with a fastening threaded rod; the first driven bevel gear is also coaxially and fixedly connected with a first driving gear, the first driving gear is meshed with a first driven gear, the first driven gear is fixedly connected with a second threaded rod, and the second threaded rod is in threaded connection with the lifting rod.

Furthermore, the limiting mechanism comprises a limiting rod which is rotationally connected with the lifting plate, the limiting rod is also connected with the lifting plate in a sliding manner, and a limiting plate which is matched with the limiting rod is fixedly connected to the lifting rod; the lifting plate is provided with a limiting post matched with the limiting rod, the limiting rod is provided with a chute matched with the limiting post, and the chute is matched with the limiting post to control the lifting of the limiting rod; the limiting rod is connected with a first rocker in a sliding mode, the other end of the first rocker is connected with a first connecting rod in a rotating mode, the other end of the first connecting rod is connected with a sliding block in a rotating mode, and a sliding groove matched with the sliding block is formed in the lifting plate; the lifting plate is further rotatably connected with a swing rod, the other end of the swing rod is fixedly connected with an extension spring, and the other end of the extension spring is fixedly connected with the bottom end of the sliding block.

Furthermore, a fixed seat is fixedly connected to the lifting rod, a connecting shaft is rotatably connected to the fixed seat, an adjusting gear is fixedly connected to the bottom end of the connecting shaft, and a fixed gear ring matched with the adjusting gear is fixedly connected to the lifting plate; the top end of the connecting shaft is fixedly connected with a third driving bevel gear, the third driving bevel gear is meshed with a third driven bevel gear, and the third driven bevel gear is rotationally connected with the lifting rod; the third driven bevel gear is coaxially and fixedly connected with a first crank, the other end of the first crank is rotatably connected with a second connecting rod, and the other end of the second connecting rod is rotatably connected with the sliding plate.

Furthermore, a first arc-shaped guide rail is fixedly connected to the sliding plate, an angle adjusting plate is slidably connected to the first arc-shaped guide rail, a first incomplete worm wheel is fixedly connected to the bottom surface of the angle adjusting plate, a first worm is rotatably connected to the first arc-shaped guide rail, the first worm is meshed with the first incomplete worm wheel, and the first worm is coaxially and fixedly connected with a second adjusting knob; the angle adjusting plate is also fixedly connected with a second arc-shaped guide rail, the second arc-shaped guide rail is connected with a fixing plate in a sliding manner, the bottom surface of the fixing plate is fixedly connected with a second incomplete worm wheel, the angle adjusting plate is rotatably connected with a second worm, the second worm is meshed with the second incomplete worm wheel, and the second worm is coaxially and fixedly connected with a third adjusting knob; the second arc-shaped guide rail is perpendicular to the first arc-shaped guide rail, a round hole is formed in the fixing plate, a puncture needle is detachably connected to the round hole, and a fastening nut is connected to the fixing plate in a threaded mode.

Furthermore, the brake mechanism comprises a rotating ring which is rotatably connected with the lifting rod, the side surface of the rotating ring is rotatably connected with a first connecting rod, the other end of the first connecting rod is rotatably connected with a sliding block, and the sliding block is slidably connected with the shell; the sliding block is rotatably connected with a right connecting rod and a left connecting rod, the other end of the right connecting rod is rotatably connected with a right connecting block, and the right connecting block is slidably connected with the shell; the right connecting block is rotatably connected with a left connecting rod, the other end of the left connecting rod is rotatably connected with a left crank, and the left crank is rotatably connected with the shell; the left crank is fixedly connected with a left inserted bar, the left inserted bar is provided with a limiting groove, the bottom plate is connected with a left brake block in a sliding manner, and the left brake block is fixedly connected with a fixing column matched with the limiting groove; similarly, the left connecting rod controls the right brake block.

The invention achieves the following beneficial effects:

the positioning puncture device is novel in structure, ingenious in conception and convenient to operate, and the height-adjustable fixing clamp is matched with the wheels, so that the positioning puncture device can be conveniently moved and fixed on a hospital bed when in use, the burden of medical personnel is reduced, and the stability of the puncture process is improved; through the arrangement of the power mechanism, the device can be controlled to stably run when in use, the working strength of medical personnel is reduced, and the efficiency of the device is improved; through the arrangement of the lifting plate, the puncture height of the puncture needle can be adjusted when the puncture needle is used, and the puncture needle is convenient to store when the puncture needle is not used; by the arrangement of the limiting mechanism, the switching between the lifting and the rotating of the lifting rod can be controlled when the lifting device is used; through the arrangement of the angle adjusting mechanism, the puncture angle of the puncture needle can be conveniently adjusted when the puncture needle is used, the burden of medical personnel is reduced, and the efficiency of the puncture process is improved; through the arrangement of the brake mechanism, the device can be stably fixed on the ground when in use, and the stability of the puncture process is further ensured.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

fig. 2 is an isometric view of the power mechanism of the present invention;

fig. 3 is an isometric view of a first threaded rod of the present invention;

FIG. 4 is an exploded view of the mounting clip of the present invention;

FIG. 5 is an isometric view of a second threaded rod of the present invention;

FIG. 6 is an isometric view of a stop mechanism of the present invention;

FIG. 7 is an enlarged view of the spacing mechanism of the present invention;

FIG. 8 is an isometric view of the stationary guide rail of the present invention;

FIG. 9 is an isometric view of the slide plate of the present invention;

FIG. 10 is an isometric view of an angle adjustment plate of the present invention;

FIG. 11 is a first isometric view of the brake mechanism of the present invention;

FIG. 12 is a second isometric view of the brake mechanism of the present invention;

in the figure: 1. a wheel; 2. a housing; 3. a lifting plate; 4. a lifting rod; 5. a sliding plate; 6. an angle adjusting mechanism; 7. a first adjustment knob; 8. fixing the clamp; 9. a base plate; 10. a power motor; 11. a first drive gear; 12. a first driven bevel gear; 13. a second driven bevel gear; 14. a second drive bevel gear; 15. lifting and shrinking the rod; 16. a first drive bevel gear; 17. a driving pulley; 18. a driven pulley; 19. a belt; 20. a first threaded rod; 21. a lifting frame; 22. fastening a threaded rod; 23. a carriage; 24. a lower jaw; 25. an upper clamping jaw; 26. a guide hole; 27. a guide post; 28. a first parallel bar; 29. a second parallel bar; 30. a first driven gear; 31. a second threaded rod; 32. fixing the guide rail; 33. fixing the gear ring; 34. a first rocker; 35. a first connecting rod; 36. a slider; 37. a chute; 38. an extension spring; 39. a swing lever; 40. a limiting rod; 41. a limiting plate; 42. a chute; 43. a limiting column; 44. an adjusting gear; 45. a second drive bevel gear; 46. a second driven bevel gear; 47. a first crank; 48. a second connecting rod; 49. a second adjustment knob; 50. a first worm; 51. a first arcuate guide rail; 52. a first incomplete worm gear; 53. an angle adjusting plate; 54. a second worm; 55. a second arcuate guide rail; 56. a third adjusting knob; 57. a second incomplete worm gear; 58. a fixing plate; 59. fastening a nut; 60. puncturing needle; 61. rotating the ring; 62. a first link; 63. a slider; 64. a right connecting rod; 65. a left brake block; 66. a limiting groove; 67. a left inserted link; 68. a right brake block; 69. a left connecting rod; 70. a left connecting rod; 71. a left crank; 72. and a right connecting block.

Detailed Description

To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.

As shown in fig. 1, 2 and 5, a multifunctional positioning puncture device for enterocoelia surgery comprises a bottom plate 9, wherein a shell 2 and universal wheels are fixedly connected to the bottom plate 9, a fixing clamp 8 with adjustable height is connected to the front end of the shell 2, and a lifting groove matched with the fixing clamp 8 is formed in the shell 2; a power mechanism is fixedly connected to the bottom plate 9 and connected with the fixed clamp 8, a second threaded rod 31 is further connected to the output end of the power mechanism, and a lifting rod 4 is connected to the second threaded rod 31 in a threaded manner; a lifting plate 3 is also connected in the shell 2 in a lifting manner, a lifting rod 4 is rotationally connected with the lifting plate 3, and a limiting mechanism for controlling the rotation of the lifting rod 4 is arranged on the lifting plate 3; the top end of the lifting rod 4 is fixedly connected with a fixed guide rail 32, the fixed guide rail 32 is connected with a sliding plate 5 in a sliding manner, the sliding plate 5 can slide along the fixed guide rail 32 along with the rotation of the lifting rod 4, and the sliding plate 5 is fixedly connected with an angle adjusting mechanism 6; the rear end of the shell 2 is also rotatably connected with a wheel 1, the shell 2 is provided with a brake mechanism connected with the lifting rod 4, and the brake mechanism is matched with the wheel 1.

When the medical device is used, medical personnel firstly control the device to move through the wheels 1 and the universal wheels, and after the device moves to a proper position, the device controls the fixing clamp 8 to slide along the lifting groove, so that the height of the fixing clamp 8 is adjusted; then, the power mechanism is controlled to work, the power mechanism drives the fixing clamp 8 to be fixed with the bed body, meanwhile, the power mechanism also drives the second threaded rod 31 to rotate, the limiting mechanism is controlled to work to prevent the lifting rod 4 and the lifting plate 3 from rotating relatively, and the second threaded rod 31 is connected with the lifting rod 4 through threads to drive the lifting rod 4 and the lifting plate 3 to slide upwards along the shell 2; after the lifting plate 3 rises to a proper position, the limit of the limit mechanism on the lifting rod 4 is cancelled, the lifting rod 4 can rotate on the lifting plate 3, and the sliding plate 5 slides along the fixed guide rail 32 at the top end of the lifting rod 4 while the lifting rod 4 rotates; when the lifting rod 4 slides upwards, the brake mechanism is driven to work, the brake mechanism fixes the wheel 1, the wheel 1 is prevented from rotating, and the device is further ensured to be stably fixed on the bottom surface; finally, the angle adjusting mechanism 6 is controlled to work, and the puncture angle of the puncture needle 60 is adjusted to perform puncture operation; the height-adjustable fixing clamp 8 is matched with the wheels 1, so that the positioning puncture device can be conveniently moved and fixed on a sickbed when in use, the burden of medical personnel is reduced, and the stability of the puncture process is improved; through the arrangement of the power mechanism, the device can be controlled to stably run when in use, the working strength of medical personnel is reduced, and the efficiency of the device is improved; through the arrangement of the lifting plate 3, the puncture height of the puncture needle can be adjusted when the puncture needle is used, and the puncture needle is convenient to store when the puncture needle is not used; by the arrangement of the limiting mechanism, the switching between the lifting and the rotating of the lifting rod 4 can be controlled when the lifting device is used; through the arrangement of the angle adjusting mechanism 6, the invention can be ensured to be convenient to adjust the puncture angle of the puncture needle 60 when in use, thereby reducing the burden of medical personnel and improving the efficiency of the puncture process; through the arrangement of the brake mechanism, the device can be stably fixed on the ground when in use, and the stability of the puncture process is further ensured.

As shown in fig. 4, the fixing clamp 8 includes a lifting frame 21 slidably connected to the lifting groove, a sliding frame 23 is slidably connected to the lifting frame 21, an upper clamping jaw 25 and a lower clamping jaw 24 are respectively connected to the upper side and the lower side of the sliding frame 23, and the upper clamping jaw 25 and the lower clamping jaw 24 are symmetrically arranged; a guide column 27 is fixedly connected to the sliding frame 23, and guide holes 26 matched with the guide column 27 are formed in the upper clamping jaw 25 and the lower clamping jaw 24; a first parallel rod 28 and a second parallel rod 29 are rotatably connected to the upper side of the sliding frame 23, the other ends of the first parallel rod 28 and the second parallel rod 29 are rotatably connected with the upper clamping jaw 25, and similarly, the lower clamping jaw 24 is also connected with the sliding frame 23; the lifting frame 21 is also rotatably connected with a fastening threaded rod 22, and the sliding frame 23 is in threaded connection with the fastening threaded rod 22.

When the bed is used, a medical worker controls the fastening threaded rod 22 to rotate, the fastening threaded rod 22 is matched with the sliding frame 23 through threaded connection to drive the sliding frame 23 to slide backwards on the lifting frame 21, the sliding frame 23 slides and simultaneously drives the first parallel rod 28 and the second parallel rod 29 to rotate, the first parallel rod 28 and the second parallel rod 29 drive the upper clamping jaw 25 to slide downwards, the sliding frame 23 also drives the lower clamping jaw 24 to slide upwards, the upper clamping jaw 25 and the lower clamping jaw 24 are matched with the guide column 27 to slide relatively through the guide hole 26, and the upper clamping jaw 25 and the lower clamping jaw 24 are matched and fixed with the bed body together; by the arrangement of the fixing clamp 8, the positioning puncture device can be conveniently fixed on a sickbed when in use, and the stability of the puncture process is improved.

As shown in fig. 3, a support seat is further fixedly connected to the housing 2, a driving pulley 17 and a first adjusting knob 7 are rotatably connected to the support seat, and the first adjusting knob 7 and the driving pulley 17 are coaxially and fixedly connected; the shell 2 is also rotatably connected with a first threaded rod 20, the top end of the first threaded rod 20 is fixedly connected with a driven belt wheel 18, and a belt 19 is connected on the driving belt wheel 17 and the driven belt wheel 18; the first threaded rod 20 is in threaded connection with a lifting frame 21.

When the medical fixing clamp is used, a medical worker drives the driving belt wheel 17 to rotate through the first adjusting knob 7, the driving belt wheel 17 drives the driven belt wheel to rotate through the belt 19, the driven belt wheel 18 coaxially drives the first threaded rod 20 to rotate, the first threaded rod 20 drives the lifting frame 21 to slide along the lifting groove through threaded connection, and therefore the height of the fixing clamp 8 is adjustable; through the height-adjustable arrangement of the fixed clamp 8, the bed body height-adjustable bed frame can be ensured to be suitable for bed bodies with different heights when in use, and the application range of the device is widened.

As shown in fig. 2, the power mechanism includes a power motor 10 fixedly connected with a bottom plate 9, an output end of the power motor 10 is fixedly connected with a first driving bevel gear 16, the first driving bevel gear 16 is engaged with a first driven bevel gear 12, the first driven bevel gear 12 is coaxially and fixedly connected with a telescopic rod 15, a top end of the telescopic rod 15 is fixedly connected with a second driving bevel gear 14, the second driving bevel gear 14 is engaged with a second driven bevel gear 13, and the second driven bevel gear 13 is fixedly connected with a fastening threaded rod 22; the first driven bevel gear 12 is further coaxially and fixedly connected with a first driving gear 11, the first driving gear 11 is meshed with a first driven gear 30, the first driven gear 30 is fixedly connected with a second threaded rod 31, and the second threaded rod 31 is in threaded connection with the lifting rod 4.

When the medical power-driven bevel gear box is used, medical staff controls a power motor 10 to work, the output end of the power motor 10 drives a first driving bevel gear 16 to rotate, the first driving bevel gear 16 is meshed to drive a first driven bevel gear 12 to rotate, the first driven bevel gear 12 coaxially drives a telescopic rod and a first driving gear 11 to rotate, the telescopic rod drives a second driving bevel gear 14 to rotate, the second driving bevel gear 14 is meshed to drive a second driven bevel gear 13 to rotate, and the second driven bevel gear 13 drives a fastening threaded rod 22 to rotate; the first driving gear 11 is meshed to drive the first driven gear 30 to rotate, the first driven gear 30 coaxially drives the second threaded rod 31 to rotate, and the second threaded rod 31 drives the lifting rod 4 and the lifting plate 3 to slide upwards through threaded connection; through the arrangement of the power mechanism, the device can be controlled to stably run when in use, the working strength of medical personnel is reduced, and the efficiency of the device is improved.

As shown in fig. 6 and 7, the limiting mechanism includes a limiting rod 40 rotatably connected to the lifting plate 3, the limiting rod 40 is further connected to the lifting plate 3 in a sliding manner, and a limiting plate 41 matched with the limiting rod 40 is fixedly connected to the lifting rod 4; a limiting column 43 matched with the limiting rod 40 is arranged on the lifting plate 3, a chute 42 matched with the limiting column 43 is arranged on the limiting rod 40, and the chute 42 is matched with the limiting column 43 to control the lifting of the limiting rod 40; the limiting rod 40 is connected with a first rocker 34 in a sliding manner, the other end of the first rocker 34 is rotatably connected with a first connecting rod 35, the other end of the first connecting rod 35 is rotatably connected with a sliding block 36, and the lifting plate 3 is provided with a sliding groove 37 matched with the sliding block 36; the lifting plate 3 is also rotatably connected with a swing rod 39, the other end of the swing rod 39 is fixedly connected with an extension spring 38, and the other end of the extension spring 38 is fixedly connected with the bottom end of the sliding block 36.

When the lifting plate is used, the initial position of the limiting mechanism can limit the lifting rod 4 to rotate on the lifting plate 3, at the moment, the lifting rod 4 can drive the lifting plate 3 to slide upwards, the limiting mechanism is controlled to work after the lifting plate 3 rises to a proper height, the sliding block 36 is controlled to slide along the sliding groove 37, the sliding block 36 drives the first connecting rod 35 to rotate, the first connecting rod 35 drives the first rocker 34 to rotate, and the first rocker 34 drives the limiting rod 40 to rotate; when the limiting rod 40 rotates, the chute 42 on the limiting rod 40 is matched with the limiting column 43 to drive the limiting rod 40 to slide upwards, the limiting rod 40 is unlocked after sliding upwards, the lifting rod 4 can rotate around the lifting plate 3 at the moment, the second threaded rod 31 can drive the lifting rod 4 to rotate, and after the lifting rod 4 rotates by 90 degrees, the sliding is controlled to slide in the opposite direction, and the lifting rod 4 is locked again; in addition, due to the matching arrangement of the extension spring 38 and the swing rod 39, the sliding blocks 36 can be ensured to be only positioned at two ends of the sliding groove 37, namely, the lifting rod 4 is locked and the lifting rod 4 is unlocked; by the arrangement of the limiting mechanism, the switching between the lifting and the rotating of the lifting rod 4 can be controlled when the lifting device is used.

As shown in fig. 8 and 9, a fixed seat is fixedly connected to the lifting rod 4, a connecting shaft is rotatably connected to the fixed seat, an adjusting gear 44 is fixedly connected to the bottom end of the connecting shaft, and a fixed gear ring 33 matched with the adjusting gear 44 is fixedly connected to the lifting plate 3; the top end of the connecting shaft is fixedly connected with a third driving bevel gear 45, the third driving bevel gear 45 is meshed with a third driven bevel gear 46, and the third driven bevel gear 46 is rotatably connected with the lifting rod 4; the third driven bevel gear 46 is coaxially and fixedly connected with a first crank 47, the other end of the first crank 47 is rotatably connected with a second connecting rod 48, and the other end of the second connecting rod 48 is rotatably connected with the sliding plate 5.

When the lifting plate is used, when the lifting rod 4 rotates on the lifting plate 3, the connecting shaft is driven to rotate around the lifting rod 4 through the fixed seat, the connecting shaft drives the adjusting gear 44 to be meshed with the fixed gear ring 33, the adjusting gear 44 rotates through being meshed with the fixed gear, the adjusting gear 44 drives the third driving bevel gear 45 to rotate through the connecting shaft, the third driving bevel gear 45 is meshed to drive the third driven bevel gear 46 to rotate, the third driven bevel gear 46 drives the first crank 47 to rotate, the first crank 47 drives the second connecting rod 48 to rotate, and the second connecting rod 48 drives the sliding plate 5 to slide along the fixed guide rail 32; through the matching arrangement of the adjusting gear 44 and the fixed gear ring 33, the sliding plate 5 can slide on the lifting rod 4 in rotation when the medical device is used, the operation intensity of medical personnel is reduced, and the use efficiency of the medical device is improved.

As shown in fig. 10 of fig. 9, a first arc-shaped guide rail 51 is fixedly connected to the sliding plate 5, an angle adjusting plate 53 is slidably connected to the first arc-shaped guide rail 51, a first incomplete worm gear 52 is fixedly connected to the bottom surface of the angle adjusting plate 53, a first worm 50 is rotatably connected to the first arc-shaped guide rail 51, the first worm 50 is meshed with the first incomplete worm gear 52, and a second adjusting knob 49 is coaxially and fixedly connected to the first worm 50; the angle adjusting plate 53 is also fixedly connected with a second arc-shaped guide rail 55, the second arc-shaped guide rail 55 is connected with a fixing plate 58 in a sliding manner, the bottom surface of the fixing plate 58 is fixedly connected with a second incomplete worm wheel 57, the angle adjusting plate 53 is connected with a second worm 54 in a rotating manner, the second worm 54 is meshed with the second incomplete worm wheel 57, and the second worm 54 is coaxially and fixedly connected with a third adjusting knob 56; the second arc-shaped guide rail 55 is perpendicular to the first arc-shaped guide rail 51, a round hole is formed in the fixing plate 58, a puncture needle 60 is detachably connected to the round hole, and a fastening nut 59 is connected to the fixing plate 58 in a threaded mode.

When the medical nursing bed is used, a medical worker firstly drives the first worm 50 to rotate through the second adjusting knob 49, the first worm 50 drives the angle adjusting plate 53 to slide along the first arc-shaped guide rail 51 by meshing the first incomplete worm gear 52, and the left and right inclination angles of the angle adjusting plate 53 are adjusted; then, the second worm 54 is driven to rotate by the third adjusting knob 56, the second worm 54 drives the fixing plate 58 to slide along the second arc-shaped guide rail 55 by meshing the second incomplete worm wheel 57, and the front and back inclination angles of the fixing plate 58 are adjusted; in addition, the puncture needle 60 can be fixed to the fixing plate 58 by tightening the nut 59; through the arrangement of the angle adjusting mechanism 6, the invention can ensure that the puncture angle of the puncture needle 60 can be conveniently adjusted when in use, thereby reducing the burden of medical personnel and improving the efficiency of the puncture process.

As shown in fig. 11 and 12, the braking mechanism includes a rotating ring 61 rotatably connected to the lifting rod 4, a first link 62 is rotatably connected to a side surface of the rotating ring 61, a sliding block 63 is rotatably connected to the other end of the first link 62, and the sliding block 63 is slidably connected to the housing 2; the sliding block 63 is rotatably connected with a right connecting rod 64 and a left connecting rod 69, the other end of the right connecting rod 64 is rotatably connected with a right connecting block 72, and the right connecting block 72 is slidably connected with the shell 2; the right connecting block 72 is rotatably connected with a left connecting rod 70, the other end of the left connecting rod 70 is rotatably connected with a left crank 71, and the left crank 71 is rotatably connected with the shell 2; a left inserting rod 67 is fixedly connected to the left crank 71, a limiting groove 66 is formed in the left inserting rod 67, a left brake block 65 is connected to the bottom plate 9 in a sliding mode, and a fixing column matched with the limiting groove 66 is fixedly connected to the left brake block 65; likewise, the left connecting rod 70 controls the right brake block 68.

When the lifting device is used, the lifting rod 4 drives the rotating ring 61 to slide upwards when sliding upwards, the rotating ring 61 drives the sliding block 63 to slide upwards through the first connecting rod 62, and the sliding block 63 drives the left connecting rod 69 and the right connecting rod 64 to rotate upwards; the right connecting rod 64 drives the right connecting block 72 to slide, the right connecting block 72 drives the left connecting rod 70 to rotate, the left connecting rod 70 drives the left crank 71 to rotate, the left crank 71 drives the left inserting rod 67 to rotate, the left inserting rod 67 drives the left brake block 65 to slide along the bottom plate 9 through the slot, the left brake block 65 limits the wheel 1, and similarly, the left connecting rod 70 drives the right brake block 68 to limit the wheel 1; through the arrangement of the brake mechanism, the device can be stably fixed on the ground when in use, and the stability of the puncture process is further ensured.

The working process of the invention is as follows:

when the medical device is used, medical staff firstly controls the device to move through the wheels 1 and the universal wheels, the device controls the fixing clamp 8 to slide along the lifting groove after moving to a proper position, and the height of the fixing clamp 8 is adjusted: the first adjusting knob 7 drives the driving belt pulley 17 to rotate, the driving belt pulley 17 drives the driven belt pulley to rotate through the belt 19, the driven belt pulley 18 coaxially drives the first threaded rod 20 to rotate, and the first threaded rod 20 drives the lifting frame 21 to slide along the lifting groove through threaded connection, so that the height of the fixing clamp 8 can be adjusted;

then, controlling a power mechanism to work: controlling a power motor 10 to work, wherein the output end of the power motor 10 drives a first driving bevel gear 16 to rotate, the first driving bevel gear 16 is meshed to drive a first driven bevel gear 12 to rotate, the first driven bevel gear 12 coaxially drives a telescopic rod and a first driving gear 11 to rotate, the telescopic rod drives a second driving bevel gear 14 to rotate, the second driving bevel gear 14 is meshed to drive a second driven bevel gear 13 to rotate, and the second driven bevel gear 13 drives a fastening threaded rod 22 to rotate; the fastening threaded rod 22 is connected with the sliding frame 23 through threads to drive the sliding frame 23 to slide backwards on the lifting frame 21, the sliding frame 23 drives the first parallel rod 28 and the second parallel rod 29 to rotate while sliding, the first parallel rod 28 and the second parallel rod 29 drive the upper clamping jaw 25 to slide downwards, the sliding frame 23 also drives the lower clamping jaw 24 to slide upwards in the same way, the upper clamping jaw 25 and the lower clamping jaw 24 are matched with the guide column 27 to slide relatively through the guide hole 26, and the upper clamping jaw 25 and the lower clamping jaw 24 are matched with each other to be fixed with the bed body;

meanwhile, the first driving gear 11 is meshed to drive the first driven gear 30 to rotate, the first driven gear 30 coaxially drives the second threaded rod 31 to rotate, the second threaded rod 31 drives the lifting rod 4 and the lifting plate 3 to slide upwards through threaded connection, at the moment, the initial position of the limiting mechanism can limit the lifting rod 4 to rotate relatively on the lifting plate 3, and the second threaded rod 31 is connected with the lifting rod 4 through threads and matched with the lifting rod 4 to drive the lifting rod 4 and the lifting plate 3 to slide upwards along the shell 2;

after the lifter plate 3 rises to a proper position, the limit mechanism is cancelled to limit the lifter 4: the control slide block 36 slides along the slide slot 37, the slide block 36 drives the first connecting rod 35 to rotate, the first connecting rod 35 drives the first rocker 34 to rotate, and the first rocker 34 drives the limiting rod 40 to rotate; when the limiting rod 40 rotates, the chute 42 on the limiting rod 40 is matched with the limiting column 43 to drive the limiting rod 40 to slide upwards, the limiting rod 40 is unlocked after sliding upwards, the lifting rod 4 can rotate around the lifting plate 3 at the moment, the second threaded rod 31 can drive the lifting rod 4 to rotate, and after the lifting rod 4 rotates by 90 degrees, the sliding is controlled to slide in the opposite direction, and the lifting rod 4 is locked again; in addition, due to the matching arrangement of the extension spring 38 and the swing rod 39, the sliding blocks 36 can be ensured to be only positioned at two ends of the sliding groove 37, namely, the lifting rod 4 is locked and the lifting rod 4 is unlocked;

the lifting rod 4 rotates and simultaneously drives the sliding plate 5 to slide along the fixed guide rail 32 at the top end of the lifting rod 4: when the lifting rod 4 rotates on the lifting plate 3, the connecting shaft is driven by the fixing seat to rotate around the lifting rod 4, the connecting shaft drives the adjusting gear 44 to be meshed with the fixed gear ring 33, the adjusting gear 44 rotates by being meshed with the fixed gear, the adjusting gear 44 drives the third driving bevel gear 45 to rotate by the connecting shaft, the third driving bevel gear 45 is meshed with the third driven bevel gear 46 to drive the third driven bevel gear 46 to rotate, the third driven bevel gear 46 drives the first crank 47 to rotate, the first crank 47 drives the second connecting rod 48 to rotate, and the second connecting rod 48 drives the sliding plate 5 to slide along the fixed guide rail 32;

still drive brake mechanism work when lifter 4 upwards slides: when the lifting rod 4 slides upwards, the rotating ring 61 is driven to slide upwards, the rotating ring 61 drives the sliding block 63 to slide upwards through the first connecting rod 62, and the sliding block 63 drives the left connecting rod 69 and the right connecting rod 64 to rotate upwards; right connecting rod 64 drives right connecting block 72 and slides, right connecting block 72 drives left connecting rod 70 and rotates, left connecting rod 70 drives left crank 71 and rotates, left crank 71 drives left inserted bar 67 and rotates, left inserted bar 67 drives left brake block 65 through the slot and slides along bottom plate 9, left brake block 65 carries on spacingly to wheel 1, it is spacing to carry out wheel 1 that left connecting rod 70 drives right brake block 68 on the same principle, brake mechanism fixes wheel 1, prevent that wheel 1 from rotating:

and finally, controlling the angle adjusting mechanism 6 to work, and adjusting the puncture angle of the puncture needle 60 to perform puncture operation: firstly, a first worm 50 is driven to rotate by a second adjusting knob 49, the first worm 50 drives an angle adjusting plate 53 to slide along a first arc-shaped guide rail 51 by meshing a first incomplete worm wheel 52, and the left and right inclination angles of the angle adjusting plate 53 are adjusted; then, the second worm 54 is driven to rotate by the third adjusting knob 56, the second worm 54 drives the fixing plate 58 to slide along the second arc-shaped guide rail 55 by meshing the second incomplete worm wheel 57, and the front and back inclination angles of the fixing plate 58 are adjusted; the puncture needle 60 is fixed to the fixing plate 58 by a fastening nut 59.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a stomach enterochirurgia abdominal cavity operation is with multi-functional location piercing depth, includes bottom plate (9), fixedly connected with casing (2) and universal wheel on bottom plate (9), its characterized in that: the front end of the shell (2) is connected with a fixed clamp (8) with adjustable height, and a lifting groove matched with the fixed clamp (8) is formed in the shell (2); a power mechanism is fixedly connected to the bottom plate (9), the power mechanism is connected with the fixed clamp (8), the output end of the power mechanism is also connected with a second threaded rod (31), and a lifting rod (4) is in threaded connection with the second threaded rod (31); a lifting plate (3) is also connected in the shell (2) in a lifting manner, a lifting rod (4) is rotatably connected with the lifting plate (3), and a limiting mechanism for controlling the rotation of the lifting rod (4) is arranged on the lifting plate (3); the top end of the lifting rod (4) is fixedly connected with a fixed guide rail (32), the fixed guide rail (32) is connected with a sliding plate (5) in a sliding mode, the sliding plate (5) can slide along the fixed guide rail (32) along with the rotation of the lifting rod (4), and the sliding plate (5) is fixedly connected with an angle adjusting mechanism (6); the rear end of the shell (2) is rotatably connected with a wheel (1), a brake mechanism connected with the lifting rod (4) is arranged on the shell (2), and the brake mechanism is matched with the wheel (1).

2. The multifunctional positioning puncture device for the enterocoelia surgery of claim 1, which is characterized in that: the fixing clamp (8) comprises a lifting frame (21) which is in sliding connection with the lifting groove, a sliding frame (23) is connected to the inner horizontal surface of the lifting frame (21) in a sliding manner, the upper side and the lower side of the sliding frame (23) are respectively connected with an upper clamping jaw (25) and a lower clamping jaw (24), and the upper clamping jaw (25) and the lower clamping jaw (24) are symmetrically arranged; a guide post (27) is fixedly connected to the sliding frame (23), and guide holes (26) matched with the guide post (27) are formed in the upper clamping jaw (25) and the lower clamping jaw (24); a first parallel rod (28) and a second parallel rod (29) are rotatably connected to the upper side of the sliding frame (23), the other ends of the first parallel rod (28) and the second parallel rod (29) are rotatably connected with the upper clamping jaw (25), and similarly, the lower clamping jaw (24) is also connected with the sliding frame (23); still rotate on crane (21) and be connected with fastening threaded rod (22), carriage (23) and fastening threaded rod (22) threaded connection.

3. The multifunctional positioning puncture device for the enterocoelia surgery of claim 2, which is characterized in that: the shell (2) is also fixedly connected with a supporting seat, a driving belt wheel (17) and a first adjusting knob (7) are rotatably connected to the supporting seat, and the first adjusting knob (7) is coaxially and fixedly connected with the driving belt wheel (17); the shell (2) is also rotatably connected with a first threaded rod (20), the top end of the first threaded rod (20) is fixedly connected with a driven belt wheel (18), and a belt (19) is connected onto the driving belt wheel (17) and the driven belt wheel (18); the first threaded rod (20) is in threaded connection with the lifting frame (21).

4. The multifunctional positioning puncture device for the enterocoelia surgery of claim 2, which is characterized in that: the power mechanism comprises a power motor (10) fixedly connected with a bottom plate (9), the output end of the power motor (10) is fixedly connected with a first driving bevel gear (16), the first driving bevel gear (16) is meshed with a first driven bevel gear (12), the first driven bevel gear (12) is coaxially and fixedly connected with a telescopic rod (15), the top end of the telescopic rod (15) is fixedly connected with a second driving bevel gear (14), the second driving bevel gear (14) is meshed with a second driven bevel gear (13), and the second driven bevel gear (13) is fixedly connected with a fastening threaded rod (22); the first driven bevel gear (12) is further coaxially and fixedly connected with a first driving gear (11), the first driving gear (11) is meshed with a first driven gear (30), the first driven gear (30) is fixedly connected with a second threaded rod (31), and the second threaded rod (31) is in threaded connection with the lifting rod (4).

5. The multifunctional positioning puncture device for the enterocoelia surgery of claim 1, which is characterized in that: the limiting mechanism comprises a limiting rod (40) rotatably connected with the lifting plate (3), the limiting rod (40) is also slidably connected with the lifting plate (3), and a limiting plate (41) matched with the limiting rod (40) is fixedly connected to the lifting rod (4); a limiting post (43) matched with the limiting rod (40) is arranged on the lifting plate (3), a chute (42) matched with the limiting post (43) is arranged on the limiting rod (40), and the chute (42) is matched with the limiting post (43) to control the lifting of the limiting rod (40); the lifting plate is characterized in that a first rocker (34) is connected onto the limiting rod (40) in a sliding mode, the other end of the first rocker (34) is rotatably connected with a first connecting rod (35), the other end of the first connecting rod (35) is rotatably connected with a sliding block (36), and a sliding groove (37) matched with the sliding block (36) is formed in the lifting plate (3); the lifting plate (3) is further rotatably connected with a swing rod (39), the other end of the swing rod (39) is fixedly connected with an extension spring (38), and the other end of the extension spring (38) is fixedly connected with the bottom end of the sliding block (36).

6. The multifunctional positioning puncture device for the enterocoelia surgery of claim 1, which is characterized in that: a fixed seat is fixedly connected to the lifting rod (4), a connecting shaft is rotatably connected to the fixed seat, an adjusting gear (44) is fixedly connected to the bottom end of the connecting shaft, and a fixed gear ring (33) matched with the adjusting gear (44) is fixedly connected to the lifting plate (3); the top end of the connecting shaft is fixedly connected with a third driving bevel gear (45), the third driving bevel gear (45) is meshed with a third driven bevel gear (46), and the third driven bevel gear (46) is rotatably connected with the lifting rod (4); the third driven bevel gear (46) is coaxially and fixedly connected with a first crank (47), the other end of the first crank (47) is rotatably connected with a second connecting rod (48), and the other end of the second connecting rod (48) is rotatably connected with the sliding plate (5).

7. The multifunctional positioning puncture device for the enterocoelia surgery of claim 1, which is characterized in that: a first arc-shaped guide rail (51) is fixedly connected to the sliding plate (5), an angle adjusting plate (53) is slidably connected to the first arc-shaped guide rail (51), a first incomplete worm wheel (52) is fixedly connected to the bottom surface of the angle adjusting plate (53), a first worm (50) is rotatably connected to the first arc-shaped guide rail (51), the first worm (50) is meshed with the first incomplete worm wheel (52), and a second adjusting knob (49) is coaxially and fixedly connected to the first worm (50); the angle adjusting plate (53) is also fixedly connected with a second arc-shaped guide rail (55), the second arc-shaped guide rail (55) is connected with a fixing plate (58) in a sliding manner, the bottom surface of the fixing plate (58) is fixedly connected with a second incomplete worm wheel (57), the angle adjusting plate (53) is connected with a second worm (54) in a rotating manner, the second worm (54) is meshed with the second incomplete worm wheel (57), and the second worm (54) is coaxially and fixedly connected with a third adjusting knob (56); the second arc-shaped guide rail (55) is perpendicular to the first arc-shaped guide rail (51), a round hole is formed in the fixing plate (58), a puncture needle (60) is detachably connected to the round hole, and a fastening nut (59) is connected to the fixing plate (58) in a threaded mode.

8. The multifunctional positioning puncture device for the enterocoelia surgery of claim 1, which is characterized in that: the brake mechanism comprises a rotating ring (61) rotatably connected with the lifting rod (4), the side surface of the rotating ring (61) is rotatably connected with a first connecting rod (62), the other end of the first connecting rod (62) is rotatably connected with a sliding block (63), and the sliding block (63) is slidably connected with the shell (2); the sliding block (63) is rotatably connected with a right connecting rod (64) and a left connecting rod (69), the other end of the right connecting rod (64) is rotatably connected with a right connecting block (72), and the right connecting block (72) is slidably connected with the shell (2); the right connecting block (72) is rotatably connected with a left connecting rod (70), the other end of the left connecting rod (70) is rotatably connected with a left crank (71), and the left crank (71) is rotatably connected with the shell (2); a left inserting rod (67) is fixedly connected to the left crank (71), a limiting groove (66) is formed in the left inserting rod (67), a left brake block (65) is connected to the bottom plate (9) in a sliding mode, and a fixing column matched with the limiting groove (66) is fixedly connected to the left brake block (65); similarly, the left connecting rod (70) controls the right brake block (68).