Multifunctional orthopedic external fixation support

Abstract

The invention discloses a multifunctional orthopedic external fixation support, and relates to the technical field of medical instruments. The fixing support comprises a fixing frame and further comprises a fixing device. Wherein the fixing device comprises a fixing block, a limiting block, a triangular block, a moving frame, a limiting rod and an arc-shaped clamping plate, the fixing block is fixedly installed above the fixing frame, the limiting block is fixedly installed above the fixing frame, a first sliding groove is formed in the surface of the limiting block, the triangular block is installed in the first sliding groove in a sliding mode, and the arc-shaped clamping plate is fixedly installed in the triangular block. A second sliding groove is formed in the surface of the fixing block, the moving frame is slidably installed in the second sliding groove, the limiting rod slidably penetrates through the inner wall and the outer wall of the moving frame, and the triangular block is fixedly connected with the inner wall of the first sliding groove through a first elastic telescopic rod. And meanwhile, secondary injury to the wounded caused by too large clamping force is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, in particular to a multifunctional orthopedic external fixation bracket. Background Art

[0002] Orthopedic external fixators are medical devices used to treat bone fractures, osteotomy procedures, deformity correction, and other bone-related problems. They are common tools used in surgical procedures to help fix and stabilize bone structures and promote healing and recovery.

[0003] The patent with patent announcement number CN218279771U relates to a multifunctional orthopedic external fixation bracket, which is easy to adjust and improves the fixation effect; it includes a left fixation frame, a right fixation frame, two groups of screws, four groups of adjustment columns, four groups of bone needle clamping frames, four groups of screws, four groups of screw tubes, two groups of bases and a placement seat, the right end of the left fixation frame is fixed with two groups of left adjustment sleeves, the left end of the right fixation frame is fixed with two groups of right adjustment sleeves, the left and right parts of the screw are provided with threads in opposite directions, the screw is screwed between the left adjustment sleeve and the right adjustment sleeve, a fixing sleeve is fixed in the middle of the screw, the left end of the left fixation frame and the right end of the right fixation frame are respectively provided with two groups of arc grooves, the adjustment column is slidably installed in the arc groove, the bone needle clamping frame and the adjustment column are rotatably connected, a pressing sleeve is slidably provided in the bone needle clamping frame, the screw is screwed through the bone needle clamping frame and is rotatably connected with the pressing sleeve, the bottom ends of the left fixation frame and the right fixation frame are respectively fixed with two groups of studs, and the screw tube is threadedly connected to the studs.

[0004] In the above patent, the bone needle holder is slidably installed in the arc groove by adjusting the column, and the bone needle holder is rotatably connected with the adjusting column. A compression sleeve is slidably provided in the bone needle holder, and the screw is threaded through the bone needle holder and rotatably connected with the compression sleeve, so as to facilitate adjustment and improve the fixation effect. However, in actual use, due to the different body shapes of the injured, it is difficult for the fixation frame to achieve effective fixation of different sizes, resulting in poor stabilization effect and reduced subsequent healing and rehabilitation. For this reason, a multifunctional orthopedic external fixation bracket is designed for different injured persons. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a multifunctional orthopedic external fixation bracket, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the present invention is implemented by the following technical solutions: a multifunctional orthopedic external fixator, including a fixing frame, a fixing device and an adjusting device; wherein the fixing device includes a fixed block, a limiting block, a triangular block, a movable frame, a limiting rod and an arc splint, the movable frame, the movable frame moves to contact and squeeze the triangular block to move, the triangular block moves to limit and fix the movable frame, the fixed block is fixedly installed above the fixed frame, the limiting block is fixedly installed above the fixed frame, a slide groove 1 is provided on the surface of the limiting block, the triangular block is slidably installed inside the slide groove 1, the surface of the fixed block is provided with a slide groove 2, the movable frame is slidably installed inside the slide groove 2, the limiting rod slides through the inner and outer walls of the movable frame, the arc splint is fixedly installed below the limiting rod, the triangular block is fixedly connected to the inner wall of the slide groove 1 by an elastic telescopic rod 1, a spring spring 1 is provided at the intersection of the movable frame and the slide groove 2, the arc splint contacts the injured person and is squeezed to move upward, the arc splint moves upward to drive the limiting rod to move upward, and effective fixation of injured persons of different weights can be achieved.

[0007] According to the above technical solution, a card block is fixedly installed on the surface of the limit rod, and a moving block is slidably installed on the surface of the moving frame. The surface of the card block is provided with a beveled surface 1, and the surface of the moving block is provided with a limiting groove. The arc-shaped clamping plate and the moving frame are fixedly connected by a spring sheet, and a clockwork spring 2 is arranged at the junction of the moving block and the moving frame. The card block moves upward to contact and squeeze the moving block to move. After the moving block moves, it is reset under the action of the clockwork spring 2 to limit the card block, which can effectively avoid secondary injury to the injured person caused by excessive clamping force.

[0008] According to the above technical scheme, the adjusting device includes a U-shaped block, a connecting rod, a slider, a bone needle, a receiving rod and a receiving plate. The movement of the U-shaped block drives the connecting rod to move. The movement of the U-shaped block drives the receiving rod to move, and the receiving plate is moved toward the receiving rod. The U-shaped block is slidably mounted on the surface of the moving frame, the connecting rod is fixedly mounted on the surface of the U-shaped block, the slider is slidably mounted on the surface of the connecting rod, the bone needle slides through the surface of the slider, the receiving rod is fixedly mounted on the surface of the U-shaped block, and the receiving plate is slidably mounted on the surface of the moving frame. A limiting hole 1 is provided on the surface of the receiving plate. The receiving plate is moved so that the limiting hole 1 on its surface contacts and limits the receiving rod, thereby avoiding the U-shaped block from being offset when the slider is moved, thereby improving the efficiency of medical treatment.

[0009] According to the above technical solution, a connecting rod is fixedly installed on the surface of the U-shaped block, and a receiving block is fixedly installed on the surface of the sliding block. A second limiting hole is provided on the surface of the receiving block. The connecting rod is pressed downward so that the second limiting hole on its surface contacts with the receiving block and is limited. This can effectively prevent the sliding block from deviating when operating the bone needle, causing secondary injury to the injured person, thereby reducing safety hazards.

[0010] According to the above technical scheme, it also includes a disinfection device and a limiting device, and the disinfection device includes a liquid storage frame, an air cavity, a slide plate, a pull rod, a pressure block and a liquid spray box. The movement of the slider drives the pull rod to move, and the movement of the pull rod drives the pressure block to move. The pressure block moves to contact and squeeze the movement of the slider. The slider moves to squeeze the air inside the air cavity so that it enters the liquid storage frame through the air guide hole. The liquid storage frame is fixedly mounted on the surface of the U-shaped block, the air cavity is fixedly mounted on the surface of the U-shaped block, the slide plate is slidably mounted inside the air cavity, the pull rod is fixedly mounted on the surface of the slider, and a slide groove three is opened on the surface of the pull rod. The pressure block is slidably mounted inside the slide groove three, and the liquid spray box is fixedly mounted On the surface of the slider, the liquid storage frame is connected to the liquid spray box through a conduit, the liquid storage frame is connected to the air cavity through an air guide hole, a one-way valve 1 is arranged inside the air guide hole, a one-way valve 2 is arranged on the surface of the liquid storage frame, the slide plate is fixedly connected to the inner wall of the air cavity by an elastic telescopic rod 2, a nozzle is fixedly penetrated through the surface of the liquid spray box, a pressure valve is arranged inside the nozzle, the air pressure inside the liquid storage frame increases, the disinfectant is introduced into the interior of the liquid spray box through the conduit, the internal air pressure of the liquid spray box increases, the disinfectant is sprayed out through the nozzle to disinfect the injured part, the sterile environment is maintained when the bone needle is treating the injured part, and the work difficulty of medical staff is reduced.

[0011] According to the above technical solution, a fixed pulley is rotatably installed on the surface of the U-shaped block, a driven wheel is rotatably installed on the surface of the sliding block, a fixed disk is fixedly installed on the surface of the driven wheel, the catheter is in contact with the fixed pulley, the catheter is in contact with the driven wheel, and a clockwork spring three is arranged at the intersection of the fixed pulley and the U-shaped block. The movement of the spray box drives the catheter to slide on the surface of the fixed pulley and the driven wheel, and the catheter contacts the fixed disk and is limited, which can effectively prevent the catheter from being entangled during the movement of the slider and affecting the discharge of the disinfectant, thereby ensuring the stability of the disinfection process and improving the work efficiency of medical staff.

[0012] The movement of the slider drives the roller to move, the roller moves to contact the connecting rod and rotates, the roller rotates to drive the T-rod to move, the T-rod moves to drive the arc block to move, the slider is provided with a slide groove four, the roller is rotatably installed inside the slide groove four, the T-rod is slidably installed on the surface of the slider, the arc block is fixedly installed on the surface of the T-rod, the block is slidably installed on the surface of the slider, the block is provided with an oblique cut surface two above the block, the surface of the bone needle is provided with a slide groove five, a spring four is provided at the junction of the block and the slider, the arc block moves to contact and squeeze the block to move, the block moves to contact the slide groove five on the surface of the bone needle and prevents it from moving, which can effectively avoid the bone needle from being offset when the position of the injured part is adjusted to cause harm to the injured person, thereby reducing safety hazards.

[0013] According to the above technical solution, a sliding plate is slidably installed on the surface of the bone needle, and a baffle is fixedly installed under the sliding plate. The sliding plate is moved downward, and the baffle moves downward. The baffle moves downward to limit the blocking block, and the blocking block limits and fixes the bone needle and provides additional support to prevent the bone needle from causing secondary injury to the patient due to accidental touch or bump.

[0014] The present invention provides a multifunctional orthopedic external fixation bracket. It has the following beneficial effects:

[0015] (1) The orthopedic external fixator, the moving frame moves to contact and squeeze the triangular block to move, and the triangular block is reset to limit the moving frame under the action of the elastic telescopic rod, which is convenient for installation and fixation and prevents deviation when treating the injured. At the same time, the moving frame moves to drive the arc splint to fix the injured. The arc splint is squeezed and moves upward, drives the limit block to move through the limit rod and is limited by the moving block, which can effectively fix people of different weights and avoid excessive clamping force causing secondary injury to the injured.

[0016] (2) In the orthopedic external fixator, the movement of the U-shaped block drives the movement of the connecting rod, the movement of the U-shaped block drives the movement of the receiving rod, the receiving plate is moved so that the limiting hole 1 on its surface contacts and limits the receiving rod, the movement of the slider drives the movement of the bone needle, and the adjustment can be made for injuries in different positions, and the U-shaped block can be prevented from shifting during the movement of the slider, thereby improving the efficiency of medical personnel's treatment. The movement of the slider drives the receiving block to move, and the connecting rod is pressed downward so that the limiting hole 2 on the surface of the connecting rod contacts and limits the receiving block, which can effectively avoid the shift when operating the bone needle, thereby causing secondary injury to the injured person.

[0017] (3) In the orthopedic external fixator, the movement of the slider drives the pull rod and the pressure block to move, the pressure block moves to contact and squeeze the slider to move, the slider moves to squeeze the air inside the air cavity so that it enters the liquid storage frame through the air guide hole, the air pressure inside the liquid storage frame increases, and the disinfectant is introduced into the inside of the spray box through the catheter, and the disinfectant is sprayed out through the spray pipe to disinfect the wound, thereby reducing the difficulty of medical staff's work. At the same time, the movement of the slider drives the catheter to stretch on the surface of the fixed pulley, and the catheter contacts the fixed plate and is limited, which can effectively prevent the catheter from being entangled during the movement of the slider and affecting the discharge of the disinfectant, thereby ensuring the stability of the disinfection process and improving the work efficiency of medical staff.

[0018] (4) In the orthopedic external fixator, the movement of the slider drives the roller to contact the connecting rod and generate rotation, the rotation of the roller drives the T-shaped rod to move, the movement of the T-shaped rod drives the arc block to move, contact and squeeze the blocking block, the blocking block moves to contact the slide groove on the surface of the bone needle and prevent the bone needle from moving, which can effectively prevent the bone needle from shifting and causing harm to the injured person when the position of the injured part is adjusted, thereby reducing safety hazards. After the bone needle is fixed, the sliding plate and the baffle are moved downward, the baffle moves to limit the blocking block, and the blocking block limits and fixes the bone needle and provides additional support to prevent the bone needle from causing secondary harm to the patient due to accidental contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the structure of the movable frame and the arc-shaped clamping plate of the present invention;

[0021] Figure 3 This is a schematic diagram of the position structure of the U-shaped block and the movable frame of the present invention;

[0022] Figure 4 For the present invention Figure 3 The enlarged structural diagram of part A in the middle;

[0023] Figure 5 For the present invention Figure 3 The enlarged structural diagram of part B in the middle;

[0024] Figure 6 This is a schematic diagram of the position structure of the slider and the bone needle of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the slider and the pull rod of the present invention;

[0026] Figure 8 This is a schematic diagram of the liquid storage frame and the air cavity position structure of the present invention;

[0027] Fig. 9 It is a schematic diagram of the position structure of the slider and the roller of the present invention.

[0028] In the figure: 1, fixed frame; 21, fixed block; 22, limit block; 23, triangular block; 24, mobile frame; 25, limit rod; 26, arc splint; 27, clamping block; 28, mobile block; 31, U-shaped block; 32, connecting rod; 33, sliding block; 34, bone needle; 35, receiving rod; 36, receiving plate; 37, connecting rod; 38, receiving block; 41, liquid storage frame; 42, air cavity; 43, sliding plate; 44, pulling rod; 45, pressing block; 46, spray box; 47, fixed pulley; 48, driven wheel; 49, fixed plate; 51, roller; 52, T-rod; 53, arc block; 54, blocking block; 55, sliding plate; 56, baffle. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-5 One embodiment of the present invention is: a multifunctional orthopedic external fixator, including a fixing frame 1, a fixing device and an adjusting device; wherein the fixing device includes a fixing block 21, a limiting block 22, a triangular block 23, a movable frame 24, a limiting rod 25 and an arc-shaped splint 26, the movable frame 24, the movable frame 24 moves to contact and squeeze the triangular block 23 to move, the triangular block 23 moves to limit and fix the movable frame 24, the fixing block 21 is fixedly installed above the fixing frame 1, the limiting block 22 is fixedly installed above the fixing frame 1, the surface of the limiting block 22 is provided with a slide groove, the triangular block 23 is slidably installed inside the slide groove 1, the surface of the fixed block 21 is provided with a slide groove 2, the mobile frame 24 is slidably installed inside the slide groove 2, the limit rod 25 slides through the inner and outer walls of the mobile frame 24, the arc splint 26 is fixedly installed below the limit rod 25, the triangular block 23 is fixedly connected to the inner wall of the slide groove 1 by an elastic telescopic rod 1, and a clockwork spring 1 is provided at the intersection of the mobile frame 24 and the slide groove 2, the arc splint 26 contacts the injured person and is squeezed to move upward, and the upward movement of the arc splint 26 drives the limit rod 25 to move upward, which can achieve effective fixation of injured people with different weights.

[0031] A clamping block 27 is fixedly installed on the surface of the limiting rod 25, and a moving block 28 is slidably installed on the surface of the moving frame 24. The surface of the clamping block 27 is provided with a beveled surface 1, and the surface of the moving block 28 is provided with a limiting groove. The arc-shaped clamping plate 26 is fixedly connected to the moving frame 24 by a spring sheet, and a spring 2 is arranged at the junction of the moving block 28 and the moving frame 24. The clamping block 27 moves upward to contact and squeeze the moving block 28 to move. After the moving block 28 moves, it is reset under the action of the spring 2 to limit the clamping block 27, which can effectively avoid secondary injury to the injured person caused by excessive clamping force.

[0032] The adjusting device includes a U-shaped block 31, a connecting rod 32, a slider 33, a bone needle 34, a receiving rod 35 and a receiving plate 36. The movement of the U-shaped block 31 drives the connecting rod 32 to move. The movement of the U-shaped block 31 drives the receiving rod 35 to move, and the receiving plate 36 is moved toward the direction close to the receiving rod 35. The U-shaped block 31 is slidably mounted on the surface of the movable frame 24, the connecting rod 32 is fixedly mounted on the surface of the U-shaped block 31, the slider 33 is slidably mounted on the surface of the connecting rod 32, the bone needle 34 slides through the surface of the slider 33, the receiving rod 35 is fixedly mounted on the surface of the U-shaped block 31, and the receiving plate 36 is slidably mounted on the surface of the movable frame 24. A limiting hole 1 is provided on the surface of the receiving plate 36. The receiving plate 36 is moved so that the limiting hole 1 on its surface contacts and limits the receiving rod 35, thereby avoiding the deviation of the U-shaped block 31 when the slider 33 is moved, thereby improving the efficiency of medical treatment.

[0033] A connecting rod 37 is fixedly installed on the surface of the U-shaped block 31, and a receiving block 38 is fixedly installed on the surface of the sliding block 33. A second limiting hole is provided on the surface of the receiving block 38. Pressing the connecting rod 37 downward causes the second limiting hole on its surface to contact with the receiving block 38 and be limited. This can effectively prevent the sliding block 33 from deviating when operating the bone needle 34, thereby causing secondary injury to the injured person and reducing safety hazards.

[0034] When the present embodiment is working, the movable frame 24 moves, contacts and squeezes the triangular block 23 to move. After the triangular block 23 moves, it is reset under the action of the elastic telescopic rod 1 to limit and fix the movable frame 24, which is convenient for installation and prevents the movable frame 24 from being offset when treating the injured. The movement of the movable frame 24 drives the arc-shaped splint 26 to move. The arc-shaped splint 26 contacts the injured and moves upward under the squeeze. The arc-shaped splint 26 moves upward and drives the limiting rod 25 to move upward. The limiting rod 25 moves upward and drives the clamping block 27 to move upward, which can realize effective fixation of injured persons of different weights. The clamping block 27 moves upward, contacts and squeezes the movable block 28 to move. After the movable block 28 moves, it is reset under the action of the clockwork spring 2 to limit the clamping block 27, which can effectively avoid secondary injury to the injured person caused by excessive clamping force.

[0035] Move the U-shaped block 31, the movement of the U-shaped block 31 drives the connecting rod 32 to move, the movement of the U-shaped block 31 drives the receiving rod 35 to move, and the receiving plate 36 is moved in the direction close to the receiving rod 35, so that the limiting hole 1 on the surface of the receiving plate 36 contacts and limits the receiving rod 35, avoiding the deviation of the U-shaped block 31 when the slider 33 is moved, thereby improving the efficiency of medical staff's treatment, and then move the slider 33, the movement of the slider 33 drives the receiving block 38 to move, and presses the connecting rod 37 downward so that the limiting hole 2 on its surface contacts and limits the receiving block 38, which can effectively avoid the deviation of the slider 33 when operating the bone needle 34, causing secondary injury to the injured person, thereby reducing safety hazards.

[0036] See also Figure 1-9 On the basis of the above embodiment, another embodiment of the present invention further includes a disinfection device and a limiting device. The disinfection device includes a liquid storage frame 41, an air cavity 42, a slide plate 43, a pull rod 44, a pressure block 45 and a liquid spray box 46. The movement of the slider 33 drives the pull rod 44 to move. The movement of the pull rod 44 drives the pressure block 45 to move. The pressure block 45 moves to contact and squeeze the slider 43 to move. The slider 43 moves to squeeze the air inside the air cavity 42 so that it enters the liquid storage frame 41 through the air guide hole. The liquid storage frame 41 is fixedly mounted on the surface of the U-shaped block 31, the air cavity 42 is fixedly mounted on the surface of the U-shaped block 31, the slide plate 43 is slidably mounted inside the air cavity 42, the pull rod 44 is fixedly mounted on the surface of the slider 33, and the surface of the pull rod 44 is provided with a slide groove 3. The pressure block 45 slides Installed inside the slide groove three, the spray box 46 is fixedly installed on the surface of the slider 33, the liquid storage frame 41 and the spray box 46 are connected by a conduit, the liquid storage frame 41 and the air cavity 42 are connected by an air guide hole, a one-way valve 1 is arranged inside the air guide hole, a one-way valve 2 is arranged on the surface of the liquid storage frame 41, the slide plate 43 and the inner wall of the air cavity 42 are fixedly connected by an elastic telescopic rod 2, a nozzle is fixedly penetrated on the surface of the spray box 46, a pressure valve is arranged inside the nozzle, the air pressure inside the liquid storage frame 41 increases, the disinfectant is introduced into the interior of the spray box 46 through the conduit, the internal air pressure of the spray box 46 increases, the disinfectant is sprayed out through the nozzle to disinfect the injured part, the sterile environment of the bone needle 34 when treating the injured part is maintained, and the working difficulty of medical staff is reduced.

[0037] A fixed pulley 47 is rotatably mounted on the surface of the U-shaped block 31, a driven wheel 48 is rotatably mounted on the surface of the slider 33, a fixed plate 49 is fixedly mounted on the surface of the driven wheel 48, the catheter contacts the fixed pulley 47, the catheter contacts the driven wheel 48, a clockwork spring 3 is arranged at the intersection of the fixed pulley 47 and the U-shaped block 31, the liquid spray box 46 moves to drive the catheter to slide on the surfaces of the fixed pulley 47 and the driven wheel 48, the catheter contacts the fixed plate 49 and is limited, which can effectively prevent the catheters from getting entangled during the movement of the slider 33 and affect the discharge of the disinfectant, thereby ensuring the stability of the disinfection process and improving the work efficiency of medical staff.

[0038] The limiting device includes a roller 51, a T-shaped rod 52, an arc block 53 and a blocking block 54. The movement of the slider 33 drives the roller 51 to move, the roller 51 moves to contact the connecting rod 32 and rotate, the roller 51 rotates to drive the T-shaped rod 52 to move, and the T-shaped rod 52 moves to drive the arc block 53 to move. A sliding groove four is provided on the surface of the slider 33, the roller 51 is rotatably installed in the inside of the sliding groove four, the T-shaped rod 52 is slidably installed on the surface of the slider 33, the arc block 53 is fixedly installed on the surface of the T-shaped rod 52, and the blocking block 54 is slidably installed on the surface of the slider 33. An oblique section two is provided above the blocking block 54, a sliding groove five is provided on the surface of the bone needle 34, and a clockwork spring four is provided at the intersection of the blocking block 54 and the slider 33. The arc block 53 moves to contact and squeeze the blocking block 54 to move, and the blocking block 54 moves to contact the sliding groove five on the surface of the bone needle 34 and prevents it from moving, which can effectively prevent the bone needle 34 from deviating when the position of the injured part is adjusted to cause harm to the injured person, thereby reducing safety hazards.

[0039] A sliding plate 55 is slidably installed on the surface of the bone needle 34, and a baffle 56 is fixedly installed below the sliding plate 55. When the sliding plate 55 is moved downward, the baffle 56 is driven downward by the sliding plate 55. The baffle 56 moves downward to limit the blocking block 54. The blocking block 54 limits and fixes the bone needle 34 and provides additional support to prevent the bone needle 34 from causing secondary injury to the patient due to accidental touch or bumping.

[0040] When the present embodiment is working, the movement of the slider 33 drives the pull rod 44 to move, the movement of the pull rod 44 drives the pressure block 45 to move, the pressure block 45 moves to contact and squeeze the slider 43 to move, the slider 43 moves to squeeze the air inside the air cavity 42 so that it enters the liquid storage frame 41 through the air guide hole, the air pressure inside the liquid storage frame 41 increases, and the disinfectant is introduced into the interior of the spray box 46 through the conduit, the internal air pressure of the spray box 46 increases, and the disinfectant is sprayed out through the nozzle to disinfect the wound of the injured person, so as to maintain the sterile environment of the bone needle 34 when treating the wound, and reduce the work difficulty of the medical staff. At the same time, the movement of the slider 33 drives the spray box 46 to move, and the movement of the spray box 46 drives the catheter to slide on the surface of the fixed pulley 47 and the driven wheel 48, and the catheter contacts the fixed plate 49 and is limited, which can effectively prevent the catheter from being entangled during the movement of the slider 33 and affecting the discharge of the disinfectant, thereby ensuring the stability of the disinfection process and improving the work efficiency of the medical staff.

[0041] The movement of the slider 33 drives the roller 51 to move, and the roller 51 moves to contact the connecting rod 32 and rotate. The rotation of the roller 51 drives the T-shaped rod 52 to move, and the movement of the T-shaped rod 52 drives the arc block 53 to move. The arc block 53 moves to contact and squeeze the blocking block 54 to move, and the blocking block 54 moves to contact the slide groove 5 on the surface of the bone needle 34 and prevents it from moving, which can effectively prevent the bone needle 34 from deviating and causing harm to the injured person when the position of the injured part is adjusted, thereby reducing safety hazards. After the bone needle 34 is fixed, the sliding plate 55 is moved downward, and the sliding plate 55 moves downward to drive the baffle 56 to move downward, and the baffle 56 moves downward to limit the blocking block 54. The blocking block 54 limits and fixes the bone needle 34 and provides additional support to prevent the bone needle 34 from causing secondary injury to the patient due to accidental touch or bump.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional orthopedic external fixator, comprising a fixing frame (1), characterized in that: It also includes a fixing device, an adjusting device, a disinfecting device and a limiting device; The fixing device comprises a fixing block (21), a limiting block (22), a triangular block (23), a movable frame (24), a limiting rod (25) and an arc-shaped clamping plate (26); the fixing block (21) is fixedly mounted above the fixing frame (1); the limiting block (22) is fixedly mounted above the fixing frame (1); a first slide groove is provided on the surface of the limiting block (22); the triangular block (23) is slidably mounted inside the first slide groove; a second slide groove is provided on the surface of the fixing block (21); the movable frame (24) is slidably mounted inside the second slide groove; the limiting rod (25) slides through the inner and outer walls of the movable frame (24); the arc-shaped clamping plate (26) is fixedly mounted below the limiting rod (25); the triangular block (23) is fixedly connected to the inner wall of the first slide groove by an elastic telescopic rod; and a spring is provided at the junction of the movable frame (24) and the second slide groove.

2. A multifunctional orthopedic external fixator according to claim 1, characterized in that: A clamping block (27) is fixedly mounted on the surface of the limiting rod (25), a moving block (28) is slidably mounted on the surface of the moving frame (24), the surface of the clamping block (27) is provided with a first beveled surface, the surface of the moving block (28) is provided with a limiting groove, the arc-shaped clamping plate (26) and the moving frame (24) are fixedly connected via a spring sheet, and a second spring is provided at the junction of the moving block (28) and the moving frame (24).

3. The multifunctional orthopedic external fixator according to claim 2, characterized in that: The adjusting device comprises a U-shaped block (31), a connecting rod (32), a slider (33), a bone needle (34), a receiving rod (35) and a receiving plate (36); the U-shaped block (31) is slidably mounted on the surface of the movable frame (24); the connecting rod (32) is fixedly mounted on the surface of the U-shaped block (31); the slider (33) is slidably mounted on the surface of the connecting rod (32); the bone needle (34) slides through the surface of the slider (33); the receiving rod (35) is fixedly mounted on the surface of the U-shaped block (31); the receiving plate (36) is slidably mounted on the surface of the movable frame (24); and a limiting hole is provided on the surface of the receiving plate (36).

4. The multifunctional orthopedic external fixator according to claim 3, characterized in that: A connecting rod (37) is fixedly mounted on the surface of the U-shaped block (31), and a receiving block (38) is fixedly mounted on the surface of the sliding block (33). A second limiting hole is provided on the surface of the receiving block (38).

5. The multifunctional orthopedic external fixator according to claim 4, characterized in that: The disinfection device comprises a liquid storage frame (41), an air cavity (42), a slide plate (43), a pull rod (44), a pressure block (45) and a liquid spray box (46), wherein the liquid storage frame (41) is fixedly mounted on the surface of the U-shaped block (31), the air cavity (42) is fixedly mounted on the surface of the U-shaped block (31), the slide plate (43) is slidably mounted inside the air cavity (42), the pull rod (44) is fixedly mounted on the surface of the slide plate (33), a slide groove three is provided on the surface of the pull rod (44), and the pressure block (45) is slidably mounted in the slide groove three. The liquid spray box (46) is fixedly mounted on the surface of the slider (33); the liquid storage frame (41) and the liquid spray box (46) are communicated with each other through a conduit; the liquid storage frame (41) and the air cavity (42) are communicated with each other through an air guide hole; a one-way valve 1 is arranged inside the air guide hole; a one-way valve 2 is arranged on the surface of the liquid storage frame (41); the slide plate (43) and the inner wall of the air cavity (42) are fixedly connected by a second elastic telescopic rod; a nozzle is fixedly penetrated through the surface of the liquid spray box (46); a pressure valve is arranged inside the nozzle.

6. The multifunctional orthopedic external fixator according to claim 5, characterized in that: A fixed pulley (47) is rotatably mounted on the surface of the U-shaped block (31), a driven wheel (48) is rotatably mounted on the surface of the sliding block (33), a fixed disk (49) is fixedly mounted on the surface of the driven wheel (48), the conduit is in contact with the fixed pulley (47), the conduit is in contact with the driven wheel (48), and a spring three is provided at the intersection of the fixed pulley (47) and the U-shaped block (31).

7. The multifunctional orthopedic external fixator according to claim 6, characterized in that: The limiting device comprises a roller (51), a T-shaped rod (52), an arc block (53) and a blocking block (54); a sliding groove four is provided on the surface of the slider (33); the roller (51) is rotatably mounted inside the sliding groove four; the T-shaped rod (52) is slidably mounted on the surface of the slider (33); the arc block (53) is fixedly mounted on the surface of the T-shaped rod (52); the blocking block (54) is slidably mounted on the surface of the slider (33); an oblique surface two is provided above the blocking block (54); a sliding groove five is provided on the surface of the bone needle (34); and a clockwork spring four is provided at the intersection of the blocking block (54) and the slider (33).

8. The multifunctional orthopedic external fixator according to claim 7, characterized in that: A sliding plate (55) is slidably mounted on the surface of the bone needle (34), and a baffle (56) is fixedly mounted below the sliding plate (55).

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