CN114129204A

CN114129204A - Shoulder arthroscope minimally invasive surgery traction device

Info

Publication number: CN114129204A
Application number: CN202111315023.8A
Authority: CN
Inventors: 黄广振
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-04

Abstract

The invention discloses a shoulder arthroscope minimally invasive surgery traction device which comprises a bottom mounting mechanism, a height adjusting mechanism, a pulley traction mechanism, a support rod telescopic mechanism and a fixing sleeve, wherein the bottom mounting mechanism is mounted on the outer side of a bed body, the height adjusting mechanism is arranged on the upper surface of the bottom mounting mechanism, the support rod telescopic mechanism is arranged above the height adjusting mechanism, and the pulley traction mechanism is mounted on the height adjusting mechanism and the support rod telescopic mechanism. This shoulder arthroscope minimal access surgery draw gear through clamping mechanism's setting, reduces the doctor and receives draw gear's influence when carrying out the operation, through the setting of sleeve, pillar, rotation seat, rocker isotructure, can adjust as early as possible according to the in-service use condition during the use to the setting of first knob, calibrated scale and second knob can make patient's shoulder joint remove the assigned position fast, raises the efficiency, through the inside gliding setting of expansion bracket in the rotation bracket, can improve traction stability's purpose.

Description

Shoulder arthroscope minimally invasive surgery traction device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a shoulder arthroscope minimally invasive surgery traction device.

Background

The shoulder joint is the joint with the largest whole body mobility, the anatomical structure of the shoulder joint belongs to a ball-and-socket structure, and the instability of the shoulder joint is determined by the special structure of the shoulder joint. Along with the change of life style of human, more and more people participate in sports, and various shoulder joint sports injuries gradually become important diseases affecting the life quality and the sports ability of people. The shoulder arthroscopy operation is suitable for the surgical treatment of joint free bodies, biceps brachii muscle fracture, osteoarthritis and the like, the arthroscopy operation is to insert a lens metal tube with a lighting device into a joint cavity through a small incision, enlarge the internal structure of the joint cavity on a monitor, observe the pathological change condition and part in the joint cavity, and simultaneously perform comprehensive examination and clean the pathological change part under the monitoring of a television; the minimally invasive operation of the shoulder arthroscope requires that the joint gap of the shoulder joint of a patient is opened by an auxiliary traction device in a lateral lying state, then the operation can be performed, and in order to obtain a good operation visual field and facilitate the operation, the requirement of the affected limb abduction design is usually maintained by using an upper limb traction device.

When the existing shoulder arthroscope minimally invasive surgery traction device is actually used, the following adverse conditions are easy to occur: firstly, pull the in-process, the haulage rope rocks easily, leads to towed stability relatively poor, and angle, height and the length adjustment of two, traction frame are difficult to control, and inconvenient fine setting, need can reach suitable position many times, and is comparatively time-consuming, and three, the inconvenient removal in position of traction frame is adjusted, and the doctor receives the influence easily when performing the operation, hinders the operation.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a shoulder arthroscope minimally invasive surgery traction device which has the advantages that a traction rope is not easy to shake, the stability is improved, the position, the height and the length of a traction frame are convenient to adjust and use, the angle of the traction frame is convenient to finely adjust, the adjustment can be quickly and accurately carried out, and the like, and the problems in the background art are solved.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shoulder arthroscope minimal access surgery draw gear, includes bottom installation mechanism, height adjustment mechanism, pulley drive mechanism, branch telescopic machanism and fixed cover, bottom installation mechanism installs in the outside of the bed body, height adjustment mechanism sets up the upper surface at bottom installation mechanism, branch telescopic machanism sets up in height adjustment mechanism's top, and rotates with height adjustment mechanism to be connected, the end at branch telescopic machanism is installed to fixed cover, pulley drive mechanism installs on height adjustment mechanism and branch telescopic machanism.

Bottom installation mechanism comprises holder, splint, threaded rod, handle, the threaded hole is seted up to the inside of holder, threaded rod and threaded hole threaded connection, splint set up the top at the holder, the end of threaded rod is rotated with the bottom of holder and is connected, the spacing post of top fixedly connected with of holder, the through-hole with spacing post looks adaptation is seted up on the surface of splint.

The height adjusting mechanism is composed of a sleeve, a support column, a first fastening bolt and a rotating seat, the support column is inserted into the sleeve, the first fastening bolt is arranged on the outer surface of the sleeve, the first fastening bolt is in threaded connection with the outer surface of the sleeve, the end of the first fastening bolt abuts against the outer surface of the support column, and the rotating seat is installed above the support column and is in rotating connection with the support column.

The support rod telescopic mechanism consists of a swing frame, a first knob, a dial, a first ratchet wheel, a first pawl, a second pulley, a fixed frame, a sliding rail, a sliding frame, a sliding groove, a second fastening bolt, a rotating frame, a telescopic frame, a second knob, a second ratchet wheel and a third pawl, wherein the swing frame is connected with the rotating seat through a spline shaft spline, the first knob is installed at one end of the spline shaft, the other end of the spline shaft is fixedly connected with the first ratchet wheel, the first ratchet wheel is in meshing transmission with the first pawl, the first pawl is arranged near the first ratchet wheel and is rotatably connected with the back of the rotating seat, the end of the swing frame is fixedly connected with one end of the fixed frame, the sliding rail is arranged on the outer surface of the fixed frame, the other end of the fixed frame is slidably connected with the sliding frame, the sliding groove is formed in the inner wall of the sliding frame, the sliding rail slides in the sliding groove, and the mounting mode between the rotating frame and the swing frame is the same as that between the swing frame and the rotating seat, the arrangement modes of the second knob, the second ratchet wheel and the third pawl are the same as the arrangement directions of the first knob, the first ratchet wheel and the first pawl, the telescopic frame is connected with the rotating frame in a sliding mode, and the end of the telescopic frame is hinged to the surface of the fixed sleeve.

Pulley drive comprises rope case, first pulley, second pulley and third pulley, the inside of rope case is provided with the rotary drum, the center department of rotary drum is connected with the carousel through the connecting axle, the inside winding of rotary drum has the haulage rope, first pulley setting is in telescopic outside, the second pulley sets up the tail end at the rocker, the third pulley sets up the front end at the carriage, the haulage rope twines in proper order on first pulley, second pulley and third pulley, and the tail end of haulage rope and the end fixed connection of expansion bracket.

Preferably, the fixed cover is cylindrical, the fixed cover is made of sponge, an elastic band is arranged outside the fixed cover, and the length of the fixed cover is adjustable.

Preferably, the maximum rotation angle of the rotating seat is 30 degrees, the maximum rotation angle of the swing frame is 45 degrees, and the maximum rotation angle of the rotating frame is 45 degrees.

Preferably, the surface of the turntable is inserted with an inserted bar, the outer wall of the rope box is fixedly connected with a limiting ring, the limiting ring is located at the rear side of the turntable, a plurality of cylindrical grooves distributed in a circumferential array mode are formed in the surface of the limiting ring, and the end of the inserted bar is matched with the cylindrical grooves.

Preferably, the second fastening bolt sets up in the outside of carriage, the surface threaded connection of second fastening bolt and carriage and the end of second fastening bolt and the surface butt of mount, the calibrated scale sets up the surface at first knob, the surface of first knob is provided with the arch

(III) advantageous effects

Compared with the prior art, the invention provides a shoulder arthroscope minimally invasive surgery traction device, which has the following beneficial effects:

1. this shoulder arthroscope minimal access surgery draw gear through clamping mechanism's setting, can change this shoulder arthroscope minimal access surgery draw gear holistic position through clamping mechanism when using, reduces the doctor and receives draw gear's influence when carrying out the operation to clamping mechanism can install and dismantle whole draw gear, makes things convenient for the use of device.

2. This shoulder arthroscope minimal access surgery draw gear, through the setting of sleeve, pillar, rotation seat, rocker, mount, carriage, rotating turret and expansion bracket, can adjust this draw gear's height, length and deflection angle when using, make this shoulder arthroscope minimal access surgery draw gear adjust as early as possible according to the in-service use condition when using to being provided with of first knob, calibrated scale and second knob, can conveniently finely tune this draw gear, can make patient's shoulder joint remove the assigned position fast, raise the efficiency.

3. This shoulder arthroscope minimal access surgery draw gear through the inside gliding setting of expansion bracket at the rotating turret, can prevent that the haulage rope from rocking easily at the traction in-process, has improved the purpose of traction stability to the elastic cord of the length of fixed cover and outside setting can all have good fixed effect to different patients' shoulder joint position.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a three-dimensional view of the height adjustment mechanism of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 4 is a three-dimensional schematic view of a first ratchet mounting of the present invention;

fig. 5 is an internal structure view of the rope case of the present invention.

In the figure: 1. a holder; 2. a splint; 3. a threaded rod; 4. a handle; 5. a limiting column; 6. a sleeve; 7. A pillar; 8. a first fastening bolt; 9. a rotating seat; 10. a rope case; 11. a rotating drum; 12. a turntable; 13. a turntable; 14. a limiting ring; 15. a support; 16. a first pulley; 17. placing a frame; 18. a first knob; 19. a dial scale; 20. a first ratchet wheel; 21. a first pawl; 22. a second pulley; 23. a fixed mount; 24. a fixed mount; 25. a carriage; 26. a chute; 27. a second fastening bolt; 28. a rotating frame; 29. A telescopic frame; 30. a second knob; 31. a second ratchet wheel; 32. a third pawl; 33. fixing a sleeve; 34. Elastic bands; 35. a third pulley; 36. and (6) pulling the rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a shoulder arthroscope minimally invasive surgery traction device comprises a bottom mounting mechanism, a height adjusting mechanism, a pulley traction mechanism, a support rod telescopic mechanism and a fixing sleeve 33, wherein the bottom mounting mechanism is mounted on the outer side of a bed body, the height adjusting mechanism is arranged on the upper surface of the bottom mounting mechanism, the support rod telescopic mechanism is arranged above the height adjusting mechanism and is rotatably connected with the height adjusting mechanism, the fixing sleeve 33 is mounted at the end of the support rod telescopic mechanism, the pulley traction mechanism is mounted on the height adjusting mechanism and the support rod telescopic mechanism, the fixing sleeve 33 is cylindrical, the fixing sleeve 33 is made of sponge, an elastic band 34 is arranged outside the fixing sleeve 33, and the length of the fixing sleeve 33 is adjustable.

Bottom installation mechanism comprises holder 1, splint 2, threaded rod 3, handle 4, and threaded hole is seted up to the inside of holder 1, threaded rod 3 and threaded hole threaded connection, and splint 2 sets up in the top of holder 1, and the end of threaded rod 3 rotates with the bottom of holder 1 to be connected, the spacing post 5 of top fixedly connected with of holder 1, the through-hole with spacing post 5 looks adaptation is seted up on the surface of splint 2.

The height adjusting mechanism is composed of a sleeve 6, a support post 7, a first fastening bolt 8 and a rotating seat 9, the support post 7 is inserted into the sleeve 6, the first fastening bolt 8 is arranged on the outer surface of the sleeve 6, the first fastening bolt 8 is in threaded connection with the outer surface of the sleeve 6, the end of the first fastening bolt 8 abuts against the outer surface of the support post 7, and the rotating seat 9 is installed above the support post 7 and is in rotating connection with the support post 7.

The support rod telescopic mechanism comprises a swing frame 17, a first knob 18, a dial 19, a first ratchet wheel 20, a first pawl 21, a second pulley 22, a fixed frame 23, a slide rail 24, a slide frame 25, a slide groove 26, a second fastening bolt 27, a rotating frame 28, a telescopic frame 29, a second knob 30, a second ratchet wheel 31 and a third pawl 32, wherein the swing frame 17 is in spline connection with the rotating seat 9 through a spline shaft, the first knob 18 is installed at one end of the spline shaft, the other end of the spline shaft is fixedly connected with the first ratchet wheel 20, the first ratchet wheel 20 is in meshing transmission with the first pawl 21, the first pawl 21 is arranged near the first ratchet wheel 20 and is in rotating connection with the back of the rotating seat 9, the end of the swing frame 17 is fixedly connected with one end of the fixed frame 23, the slide rail 24 is arranged on the outer surface of the fixed frame 23, the other end of the fixed frame 23 is in sliding connection with the slide frame 25, the slide groove 26 is formed in the inner wall of the slide frame 25, the slide rails 24 slide inside the slide grooves 26, the mounting between the turret 28 and the slide carriage 25 is the same as the mounting between the swing frame 17 and the rotary seat 9, the second knob 30, the second ratchet wheel 31 and the third pawl 32 are arranged in the same way as the first knob 18, the arrangement direction between the first ratchet wheel 20 and the first pawl 21 is the same, the telescopic frame 29 is connected with the rotating frame 28 in a sliding mode, the end of the telescopic frame 29 is hinged to the surface of the fixed sleeve 33, the maximum rotating angle of the rotating seat 9 is 30 degrees, the maximum rotating angle of the swinging frame 17 is 45 degrees, the maximum rotating angle of the rotating frame 28 is 45 degrees, the second fastening bolt 27 is arranged outside the sliding frame 25, the second fastening bolt 27 is in threaded connection with the outer surface of the sliding frame 25, the end of the second fastening bolt 27 is abutted to the outer surface of the fixed frame 23, the dial 19 is arranged on the outer surface of the first knob 18, and the outer surface of the first knob 18 is provided with a protrusion.

The pulley traction mechanism consists of a rope box 10, a first pulley 16, a second pulley 22 and a third pulley 35, wherein a rotary drum 11 is arranged inside the rope box 10, the center of the rotary drum 11 is connected with a rotary disc 12 through a connecting shaft, a traction rope 36 is wound inside the rotary drum 11, the first pulley 16 is arranged outside the sleeve 6, the second pulley 22 is arranged at the tail end of the swing frame 17, the third pulley 35 is arranged at the front end of the sliding frame 25, the traction rope 36 is sequentially wound on the first pulley 16, the second pulley 22 and the third pulley 35, and the tail end of the hauling rope 36 is fixedly connected with the end of the telescopic frame 29, the surface of the rotary table 12 is inserted with the inserted bar 13, the outer wall of the rope box 10 is fixedly connected with the limit ring 14, the limit ring 14 is positioned at the rear side of the rotary table 12, a plurality of cylindrical grooves distributed in a circumferential array are formed in the surface of the limit ring 14, and the end of the inserted bar 13 is matched with the cylindrical grooves.

When the device is used, the device is firstly installed at a proper position of an operating bed, the clamping seat 1 and the clamping plate 2 are clamped on the outer side bed frame of the bed body, then the handle 4 is rotated, the handle 4 drives the threaded rod 3 to rotate, the threaded rod 3 rotates in the threaded hole of the clamping seat 1, so that the threaded rod 3 drives the clamping plate 2 to move downwards, the outer side bed frame of the bed body is clamped, and the installation of the device is completed; then, the height of the strut 7 is adjusted, so that the strut 7 moves up and down in the sleeve 6, and when the proper height is reached, the strut 7 is fastened through the first fastening bolt 8 to prevent the strut 7 from moving; then pulling the sliding frame 25, fastening by a second fastening bolt 27 when the sliding frame reaches a proper length, then pulling the inserted bar 13 out of the inside of the limit ring 14, releasing the limit, rotating the rotary disc 12 by the inserted bar 13, the rotary disc 12 driving the rotary drum 11 to rotate, making the traction rope 36 on the surface of the rotary drum 11 discharge, driving the extension frame 29 to move downwards along the inner wall of the rotary frame 28 by the traction rope 36 after the transmission of the first pulley 16, the second pulley 22 and the third pulley 35, then sleeving the arm of the patient close to the shoulder joint into the fixed sleeve 33, fastening by an elastic band 34 to prevent the arm from separating from the fixed sleeve 33, then finely adjusting the shoulder joint of the patient to a proper position convenient for operation, when finely adjusting, firstly moving the fixed sleeve 33 by the traction rope 36 at a roughly proper position, then inserting the inserted bar 13 into the limit ring 14, the rotation of the drum 11 is prevented, then the first knob 18 and the second knob 30 are rotated to drive the angle of the swing frame 17 and the angle of the rotating frame 28 to change, the frame 17 and the rotating frame 28 are moved in a single direction through the ratchet mechanism, the swing frame 17 and the rotating frame 28 are prevented from sliding off, the position of the fixed sleeve 33 is moved, the first knob 18 and the second knob 30 are stopped to be rotated after the accurate and proper position is reached, and the traction of the shoulder joint part of the patient is completed.

In summary, the shoulder arthroscope minimally invasive surgery traction device can change the position of the whole shoulder arthroscope minimally invasive surgery traction device through the clamping mechanism when in use, so that the influence of the traction device on a doctor during surgery is reduced, the clamping mechanism can mount and dismount the whole traction device, the use of the device is convenient, the height, the length and the deflection angle of the traction device can be adjusted through the arrangement of the sleeve 6, the pillar 7, the rotating seat 9, the swing frame 17, the fixed frame 23, the sliding frame 25, the rotating frame 28 and the telescopic frame 29 when in use, so that the shoulder arthroscope minimally invasive surgery traction device can be adjusted as soon as possible according to the actual use condition when in use, and the arrangement of the first knob 18, the dial 19 and the second knob 30 can facilitate the fine adjustment of the traction device, can make patient's shoulder joint remove the assigned position fast, raise the efficiency, through expansion bracket 29 in the inside gliding setting of rotating turret 28, can prevent that the haulage rope from rocking easily at the traction in-process, improved the purpose of traction stability to the length of fixed cover 33 and the elastic cord 34 of outside setting can all have good fixed effect to different patients' shoulder joint position

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shoulder arthroscope minimal access surgery draw gear, includes bottom installation mechanism, height adjustment mechanism, pulley drive mechanism, branch telescopic machanism and fixed cover (33), its characterized in that: bottom installation mechanism installs in the outside of the bed body, height adjustment mechanism sets up the upper surface at bottom installation mechanism, branch telescopic machanism sets up in height adjustment mechanism's top, and rotates with height adjustment mechanism and be connected, fixed cover (33) are installed at branch telescopic machanism's end, pulley drive mechanism installs on height adjustment mechanism and branch telescopic machanism.

Bottom installation mechanism comprises holder (1), splint (2), threaded rod (3), handle (4), the inside set up threaded hole of holder (1), threaded rod (3) and threaded hole threaded connection, splint (2) set up the top in holder (1), the end of threaded rod (3) is rotated with the bottom of holder (1) and is connected, the top fixedly connected with spacing post (5) of holder (1), the through-hole with spacing post (5) looks adaptation is seted up on the surface of splint (2).

The height adjusting mechanism is composed of a sleeve (6), a support column (7), a first fastening bolt (8) and a rotating seat (9), the support column (7) is inserted into the sleeve (6), the first fastening bolt (8) is arranged on the outer surface of the sleeve (6), the first fastening bolt (8) is in threaded connection with the outer surface of the sleeve (6), the end of the first fastening bolt abuts against the outer surface of the support column (7), and the rotating seat (9) is installed above the support column (7) and is in rotating connection with the support column (7).

The support rod telescopic mechanism consists of a swing frame (17), a first knob (18), a dial (19), a first ratchet wheel (20), a first pawl (21), a second pulley (22), a fixing frame (23), a sliding rail (24), a sliding frame (25), a sliding groove (26), a second fastening bolt (27), a rotating frame (28), a telescopic frame (29), a second knob (30), a second ratchet wheel (31) and a third pawl (32), wherein the swing frame (17) is connected with the rotating seat (9) through a spline shaft spline, the first knob (18) is arranged at one end of the spline shaft, the other end of the spline shaft is fixedly connected with the first ratchet wheel (20), the first ratchet wheel (20) is in meshing transmission with the first pawl (21), the first pawl (21) is arranged near the first ratchet wheel (20) and is rotatably connected with the back of the rotating seat (9), and the end of the swing frame (17) is fixedly connected with one end of the fixing frame (23), slide rail (24) set up the surface at mount (23), the other end and carriage (25) sliding connection of mount (23), spout (26) have been seted up to the inner wall of carriage (25), and slide rail (24) slide in the inside of spout (26), and the mounting means between rotating turret (28) and carriage (25) is the same with the mounting means between rocker (17) and rotation seat (9), and the setting means of second knob (30), second ratchet (31) and third pawl (32) is the same with setting side between first knob (18), first ratchet (20) and first pawl (21), expansion bracket (29) and rotating turret (28) sliding connection, the end of expansion bracket (29) is articulated with the surface of fixed cover (33).

Pulley drive comprises rope case (10), first pulley (16), second pulley (22) and third pulley (35), the inside of rope case (10) is provided with rotary drum (11), the center department of rotary drum (11) is connected with carousel (12) through the connecting axle, the inside winding of rotary drum (11) has haulage rope (36), first pulley (16) set up the outside at sleeve (6), second pulley (22) set up the tail end at rocker (17), third pulley (35) set up the front end at carriage (25), haulage rope (36) twine in proper order on first pulley (16), second pulley (22) and third pulley (35), and the tail end of haulage rope (36) and the end fixed connection of expansion bracket (29).

2. The shoulder arthroscope minimally invasive surgery traction device according to claim 1, characterized in that: fixed cover (33) are cylindric, the material of fixed cover (33) is the sponge, the outside of fixed cover (33) is provided with elastic cord (34), the length adjustable of fixed cover (33).

3. The shoulder arthroscope minimally invasive surgery traction device according to claim 1, characterized in that: the maximum rotation angle of the rotating seat (9) is 30 degrees, the maximum rotation angle of the swing frame (17) is 45 degrees, and the maximum rotation angle of the rotating frame (28) is 45 degrees.

4. The shoulder arthroscope minimally invasive surgery traction device according to claim 1, characterized in that: the rope box is characterized in that an inserting rod (13) is inserted into the surface of the rotary table (12), a limiting ring (14) is fixedly connected to the outer wall of the rope box (10), the limiting ring (14) is located on the rear side of the rotary table (12), a plurality of cylindrical grooves distributed in a circumferential array mode are formed in the surface of the limiting ring (14), and the end of the inserting rod (13) is matched with the cylindrical grooves.

5. The shoulder arthroscope minimally invasive surgery traction device according to claim 1, characterized in that: second fastening bolt (27) set up the outside at carriage (25), the surface threaded connection of second fastening bolt (27) and carriage (25) and the end of second fastening bolt (27) and the surface butt of mount (23), calibrated scale (19) set up the surface at first knob (18), the surface of first knob (18) is provided with the arch.