Auxiliary equipment for arthroscopic surgery in orthopedics department

Abstract

The auxiliary equipment for the orthopedic arthroscopic surgery comprises a bed body (1), and a backrest mechanism (2) is arranged at the bed head of the bed body (1); a track frame (3) is arranged on the bed edge of the bed body (1), a movable support (4) is arranged in the track frame (3), one end of the movable support (4) extends to the position above the bed body (1), and an ankle fixator (5) is arranged at the end of the movable support (4). A knee joint regulator (6) is arranged on the bed body (1) and corresponds to the ankle fixer (5); and the knee joint regulator (6) comprises a vertical frame (7) arranged on the bed body (1). The bending degree of the knee joint of a patient can be adjusted according to the actual condition of the patient, so that a slim tube which can be better inserted into an arthroscope is conveniently inserted.

Description

Technical Field

[0001] The present invention relates to the technical field of orthopedic equipment, in particular to an auxiliary equipment for orthopedic arthroscopic surgery. Background Art

[0002] When performing orthopedic arthroscopic surgery, auxiliary instruments are needed to fix the patient's affected limb. Existing auxiliary fixation devices, such as the Chinese invention patent with publication number CN114522050A, disclose a bed frame, a bed board is connected to the upper side of the bed frame, a back pad is connected to the upper left side of the bed board, a head pad is installed on the upper left side of the back pad, a connecting plate is installed on both the front and rear sides of the middle of the bed board, a second connecting frame is rotatably provided on the connecting plate, a first fixing frame is connected to the second connecting frame, a first guide rod is connected to both the front and rear sides of the right side of the bed board, a sliding block is slidably sleeved on the first guide rod, the first connecting frame is rotatably penetrated on the upper side of the sliding block, and the first connecting frame is connected to the first connecting frame. There is a second fixing frame, and the first fixing frame and the second fixing frame are both rotatably provided with a first rotating shaft, and a rotating cover is connected to the first rotating shaft. A handle and a first support plate are symmetrically provided on the upper side of the bed board, and the first support plate is located on the right side of the handle. A strip groove is opened on the first support plate, and a sliding shaft is slidably provided on the strip groove. A connecting shaft is connected to the opposite side of the two sliding shafts, and a first connecting block and a second connecting block are rotatably provided on the left and right sides of the connecting shaft, respectively. The left side of the first connecting block is connected to the first fixing frame, and the right side of the second connecting block is connected to the second fixing frame. A snap mechanism is provided on the first fixing frame, and an adjustment mechanism is provided on the second fixing frame. A lifting mechanism is provided between the bed board and the sliding shaft. This type of auxiliary fixing device can fix the patient's legs well, but it cannot adjust the knee joint. When performing arthroscopic surgery, a thin tube needs to be inserted into the joint. Since the injuries at the knee joints of different patients are different, the patient's knee joint needs to be bent to different degrees according to the actual situation of the patient. Summary of the invention

[0003] The purpose of the present invention is to provide an auxiliary device for orthopedic arthroscopic surgery. The present invention can adjust the bending degree of the patient's knee joint according to the patient's actual condition, so as to facilitate the insertion of a thin tube for better insertion of an arthroscopy.

[0004] The technical solution of the present invention: auxiliary equipment for orthopedic arthroscopic surgery, including a bed body, a backrest mechanism is provided at the head of the bed body; a track frame is provided at the bed edge of the bed body, a movable bracket is provided in the track frame, one end of the movable bracket extends to the top of the bed body, and an ankle fixator is provided at the end of the movable bracket; a knee joint adjuster is provided on the bed body and corresponding to the ankle fixator, the knee joint adjuster includes a vertical frame arranged on the bed body, an internal threaded tube is provided at the upper end of the vertical frame, and the internal threaded tube is cooperatively connected with a rotating rod; side branches are provided on both sides of the internal threaded tube, a rotatable swing rod is provided on the side branches, the inner end of the swing rod is provided with a toothed portion that fits with the rotating rod, and a supporting cushion is provided on the swing rod.

[0005] In the above-mentioned auxiliary equipment for orthopedic arthroscopic surgery, both sides of the support cushion are provided with Velcro straps for fixing the patient's legs.

[0006] In the aforementioned auxiliary equipment for orthopedic arthroscopic surgery, the frame includes a base plate connected to the bed, the base plate is evenly provided with a plurality of columns, the upper ends of the columns are provided with discs, and the upper part of the discs is provided with a hollow frame.

[0007] In the aforementioned auxiliary equipment for orthopedic arthroscopic surgery, the movable bracket includes a sliding block arranged in a track frame, the lower end of the sliding block has a rotary top rod that interferes with the track frame, one side of the sliding block is connected to a lifting assembly via a universal rotating assembly, and the lifting end of the lifting assembly is provided with a cross frame, and a rotatable straight rod is provided at one end of the cross frame, and a support seat for fixing the ankle fixator is provided on the straight rod.

[0008] In the aforementioned auxiliary equipment for orthopedic arthroscopic surgery, one end of the straight rod is provided with an end shaft inserted into the cross frame, and a plurality of arc-shaped openings are evenly arranged on the end shaft. A fixing rod is threadedly provided on the cross frame, and the end of the fixing rod matches the arc-shaped opening.

[0009] In the aforementioned auxiliary equipment for orthopedic arthroscopic surgery, the bottom of the support seat is connected to a bottom rod via a bearing, and the bottom rod is connected to the straight rod via a thread.

[0010] In the aforementioned auxiliary equipment for orthopedic arthroscopic surgery, the ankle fixator includes a fixed shell fixed on a support seat, a rotating shaft is provided inside the fixed shell, one end of the rotating shaft is connected to the clamp motor, and the end of the rotating shaft has a cam ring; a fixed claw is provided at the upper end of the fixed shell through the rotating shaft, and a symmetrical roller is provided at the tail end of the fixed claw, and the roller is in contact with the cam ring.

[0011] In the aforementioned auxiliary equipment for orthopedic arthroscopic surgery, the backrest mechanism includes a flat plate fixed on the bed, a servo motor is provided on the flat plate, a rotatable backrest plate is provided on the flat plate, and the rotating end of the servo motor is connected to the rotating shaft end of the backrest plate via a gear set.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] 1. In the present invention, the patient lies on the bed with his back against the backrest mechanism, the patient's knee joint is placed on the support cushion, the ankle joint of the foot is locked by the ankle fixator, and then the rotating rod is rotated, the thread on the rotating rod is engaged with the toothed portion of the swing rod, driving the swing rod to swing, and the support cushions on both sides can form different angles. According to the actual condition of the patient, the patient's knee joint is bent to different degrees to meet different treatment needs, so as to facilitate better insertion of the arthroscopic tube.

[0014] 2. In the movable bracket, the height of the ankle fixator can be adjusted through the lifting component. The movable adjustment structure is adopted between the straight rod and the cross frame to realize the angle rotation of the ankle fixator, which can be coordinated with the degree of knee joint bending and is flexible and convenient to use.

[0015] 3. In the backrest mechanism, the backrest board can be adjusted in angle to meet the different lying needs of patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 It is a schematic diagram of the supporting cushion structure;

[0018] Figure 3 is a schematic diagram of a movable bracket;

[0019] Figure 4 is a schematic diagram of an ankle brace;

[0020] Figure 5 is a schematic diagram of a cam ring;

[0021] Figure 6 is a schematic diagram of a backrest mechanism;

[0022] Figure 7 It is a structural schematic diagram of a rotating universal joint assembly;

[0023] Figure 8 This is an overall schematic diagram of adding a backrest mechanism to the bed.

[0024] Explanation of the marks in the accompanying drawings: 1-bed, 2-backrest mechanism, 3-track frame, 4-movable bracket, 5-ankle fixer, 6-knee joint adjuster, 7-stand, 8-internal thread cylinder, 9-rotating rod, 10-side branch, 11-swing rod, 12-toothed portion, 13-support cushion, 14-Velcro strap, 15-bottom plate, 16-column, 17-disc, 18-hollow frame, 41-sliding block, 42-screw top rod, 431-fixed Fixed block, 432-threaded rod, 433-movable block, 434-clamping block, 44-lifting assembly, 45-cross frame, 46-straight rod, 47-support seat, 48-end shaft, 49-arc mouth, 50-fixed rod, 51-bottom rod, 501-fixed shell, 502-rotating shaft, 503-grip motor, 504-cam ring, 505-fixed claw, 506-roller, 201-flat plate, 202-servo engine, 203-backrest plate. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0026] Embodiment: Auxiliary equipment for orthopedic arthroscopic surgery, including a bed 1, as shown in the attached Figure 1 As shown, a track frame 3 is installed on the edge of the bed body 1, and a movable bracket 4 is installed in the track frame 3. One end of the movable bracket 4 extends to the top of the bed body 1, and an ankle fixer 5 is provided at the end of the movable bracket 4; a knee joint adjuster 6 is installed on the bed body 1 and corresponding to the ankle fixer 5, and the knee joint adjuster 6 includes a vertical frame 7 arranged on the bed body 1, and a sliding track is provided on the edge of the bed body, and a movable adjustment component is provided on the sliding track. The component is connected to the edge of the bed body in the same way as the movable bracket, and the upper end of the vertical frame 7 has an internal threaded tube 8, and the internal threaded tube 8 is connected with a rotating rod 9. The rotating rod is rotated to realize the lifting and lowering of the rotating rod. The vertical frame 7 includes a bottom plate 15 connected to the bed body 1, and the bottom plate 15 is evenly provided with a plurality of vertical roots. The column 16 has a disc 17 at the upper end, and a hollow frame 18 is provided on the upper part of the disc 17. Through the plate and column structure, the rotating rod can be easily rotated for easy adjustment; the two sides of the internal threaded tube 8 have side branches 10, and a rotatable swing rod 11 is installed on the side branches 10. The inner end of the swing rod 11 has a toothed portion 12 that fits with the rotating rod 9. The rotating rod rotates to cooperate with the swing rod to achieve an angle swing of the swing rod. A supporting cushion 13 is installed on the swing rod 11. The two sides of the supporting cushion 13 have Velcro straps 14 for fixing the patient's legs. After the patient's legs are placed on the supporting cushion, the Velcro straps are tied to the front and back sides of the knee joint, and the patient's legs are better fixed on the supporting cushion, as shown in the attached figure. Figure 2 shown.

[0027] The movable bracket 4 includes a sliding block 41 arranged in the track frame 3, as shown in the attached Figure 3 As shown, the lower end of the sliding block 41 has a rotating top rod 42 that contacts the track frame. The sliding block moves along the track frame to adjust the position of the ankle fixator. After the position is determined, the rotating top rod is rotated to fix the sliding block. One side of the sliding block 41 is connected to a lifting assembly 44 via a universal rotating assembly. The rotating universal assembly includes a fixed block 431 set on one side of the sliding block 41. Figure 7 As shown, one end of the fixed block 431 is connected to a movable threaded rod 432, and the threaded rod 432 is provided with a movable block 433 fixedly connected to the lifting assembly, and one end of the movable block 433 is matched with the fixed block 431 by a latching tooth, and a clamping block 434 is threadedly connected to the threaded rod 432, and the clamping block 434 is connected to the lifting assembly 44 via a limiting structure; the lifting assembly 44 can rotate at a certain angle, and after determining the rotation position of the lifting assembly, the movable block and the fixed block are matched via the latching teeth, and the threaded rod is rotated, so that the clamping block moves toward the movable block, and the movable block and the lifting assembly are clamped.

[0028] The lifting end of the lifting assembly 44 has a cross frame 45, one end of which is mounted with a rotatable straight rod 46, and a support seat 47 for fixing the ankle fixer is mounted on the straight rod 46. The lifting assembly mainly comprises a screw and a sliding block, and the lifting and lowering of the sliding block is realized by the rotation of the screw. One end of the straight rod 46 is mounted with an end shaft 48 that penetrates the cross frame 45, and a plurality of arc-shaped openings 49 are evenly arranged on the end shaft 48. The cross frame 45 is provided with a fixed rod 50 through a thread, and the end of the fixed rod 50 cooperates with the arc-shaped opening 49, and the straight rod can be rotated to adjust a certain angle. After determining the adjustment position, the fixed rod is rotated, and the lower end of the fixed rod is stuck in the arc-shaped opening, and the straight rod will not rotate. The bottom of the support seat 47 is connected with a bottom rod 51 through a bearing, and the bottom rod 51 is connected with the straight rod 46 through a thread. The height position of the support seat can be adjusted by rotating the bottom rod, and the use is more flexible.

[0029] The ankle fixator 5 comprises a fixed shell 501 fixed on the support seat 47, as shown in the attached Figure 4 As shown, a rotating shaft 502 is installed in the fixed housing 501, a clamping motor 503 is installed at one end of the rotating shaft 502, and a cam ring 504 is provided at the end of the rotating shaft 502. Figure 5 As shown; a fixing claw 505 is installed at the upper end of the fixed shell 501 via a rotating shaft, and a symmetrical roller 506 is installed at the tail end of the fixing claw 505, and the roller 506 contacts the cam ring 504. The structure of the cam ring mainly includes symmetrical protrusions and symmetrical recesses. The clamping jaw motor drives the rotating shaft to rotate, and the cam ring on the rotating shaft rotates. The protrusion of the cam ring contacts the roller to realize the buckling of the fixing claw on the ankle joint of the patient. When the recess of the cam ring contacts the roller, the fixing claw is opened.

[0030] As attached Figure 6 and 8 As shown, as a further preferred embodiment, a backrest mechanism 2 is installed at the head of the bed body 1, and the backrest mechanism can realize the angle of the patient's backrest, so that the patient can lie comfortably; the backrest mechanism 2 includes a flat plate 201 fixed on the bed body 1, a steering gear 202 is installed on the flat plate 201, and a rotatable backrest board 203 is installed on the flat plate 201, and the rotating end of the steering gear 202 is connected to the rotating shaft end of the backrest board 203 through a gear set. When the steering gear runs, the angle of the backrest board is adjusted through the gear set to meet the patient's lying needs.

[0031] The working principle of the present invention is as follows: the patient lies on the bed with his back against the backrest mechanism, the backrest mechanism can achieve angle adjustment, the patient's knee joint is placed on the support cushion, the ankle joint of the foot is locked by the ankle fixator, and then the rotating rod is rotated, the thread on the rotating rod is engaged with the toothed portion of the swing rod, driving the swing rod to swing, and the support cushions on both sides can form different angles. According to the actual condition of the patient, the patient's knee joint is bent to different degrees to meet different treatment needs, so as to facilitate better insertion of the thin tube of the arthroscopy.

Claims

1. An auxiliary device for orthopedic arthroscopic surgery, comprising a bed (1), characterized in that: The bed body (1) is provided with a track frame (3) at the edge of the bed, and a movable bracket (4) is provided in the track frame (3), one end of the movable bracket (4) extends to the top of the bed body (1), and an ankle fixer (5) is provided at the end of the movable bracket (4); a knee joint adjuster (6) is provided on the bed body (1) and corresponding to the ankle fixer (5), and the knee joint adjuster (6) comprises a stand (7) arranged on the bed body (1), an internal threaded tube (8) is provided at the upper end of the stand (7), and the internal threaded tube (8) is connected with a rotating rod (9); side branches (10) are provided on both sides of the internal threaded tube (8), and a rotatable swing rod (11) is provided on the side branches (10), and a toothed portion (12) matching with the rotating rod (9) is provided at the inner end of the swing rod (11), and a supporting cushion (13) is provided on the swing rod (11).

2. The auxiliary device for orthopedic arthroscopic surgery according to claim 1, characterized in that: Both sides of the support cushion (13) are provided with Velcro straps (14) for fixing the patient's legs.

3. The auxiliary device for orthopedic arthroscopic surgery according to claim 1, characterized in that: The stand (7) comprises a bottom plate (15) connected to the bed body (1), a plurality of columns (16) are evenly arranged on the bottom plate (15), a disc (17) is arranged at the upper end of the column (16), and a hollow frame (18) is arranged on the upper part of the disc (17).

4. The auxiliary device for orthopedic arthroscopic surgery according to claim 1, characterized in that: The movable bracket (4) comprises a sliding block (41) arranged in the track frame (3), the sliding block (41) having a swivel rod (42) at the lower end thereof which contacts the track frame (3), one side of the sliding block (41) being connected to a lifting assembly (44) via a universal rotating assembly, a horizontal frame (45) being provided at the lifting end of the lifting assembly (44), a rotatable straight rod (46) being provided at one end thereof, and a supporting seat (47) for fixing an ankle fixer being provided on the straight rod (46).

5. The auxiliary device for orthopedic arthroscopic surgery according to claim 4, characterized in that: One end of the straight rod (46) is provided with an end shaft (48) which is inserted into the cross frame (45), and a plurality of arc-shaped openings (49) are evenly arranged on the end shaft (48). A fixing rod (50) is threadedly arranged on the cross frame (45), and the end of the fixing rod (50) is matched with the arc-shaped opening (49).

6. The auxiliary device for orthopedic arthroscopic surgery according to claim 4, characterized in that: The bottom of the support seat (47) is connected to a bottom rod (51) via a bearing, and the bottom rod (51) is connected to the straight rod (46) via a thread.

7. The auxiliary device for orthopedic arthroscopic surgery according to claim 4, characterized in that: The ankle fixator (5) comprises a fixed shell (501) fixed on a support seat (47), a rotating shaft (502) is arranged inside the fixed shell (501), a clamping motor (503) is arranged at one end of the rotating shaft (502), and a cam ring (504) is arranged at the end of the rotating shaft (502); a fixed claw (505) is arranged at the upper end of the fixed shell (501) through the rotating shaft, and a symmetrical roller (506) is arranged at the tail end of the fixed claw (505), and the roller (506) is in contact with the cam ring (504).

8. The auxiliary device for orthopedic arthroscopic surgery according to claim 1, characterized in that: A backrest mechanism (2) is provided at the head of the bed body (1); the backrest mechanism (2) comprises a flat plate (201) fixed on the bed body (1), a steering gear (202) is provided on the flat plate (201), a rotatable backrest plate (203) is provided on the flat plate (201), and a rotating end of the steering gear (202) is connected to a rotating shaft end of the backrest plate (203) via a gear set.

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