CN104224486A - V-shaped double-horizontal brace lower limb traction device for orthopedic operation - Google Patents

Abstract

The invention discloses a "V" type double flat brace lower limb traction device for orthopedic surgery, which comprises a seat plate and a base. There are two height-adjustable upright supports on the flat support, one of which is set behind the middle of the bottom flat support to support and fix the patient's lower hip; the other is set at the front end of the bottom flat support to support and fix The foot of the patient; it is characterized in that a concave arc vertical arm that can be rotated horizontally by 360° is connected to the base, and the upper end of the concave arc vertical arm is connected to the seat plate through a liftable mechanism; supporting and fixing the patient's foot There is a foot support plate on the upright support, and a pulley is arranged on the front side. One end of the rope wound on the pulley is connected to a hook to hook the patient's foot cover; the other end of the rope is connected to a vertically downward retractor. Under the action of gravity, the device exerts traction on the patient's lower limbs through pulleys and ropes.

Description

For orthopedic surgery V-type double planar lower limb traction device

technical field

The invention relates to a lower limb traction device for orthopedic surgery. the

Background technique

In the orthopedic surgery performed on the patient's limbs, it is necessary to carry out lateral and horizontal traction and adduction and adduction positions on the patient's limbs. There must be a set of orthopedic surgery lower limb traction devices that can be used in combination with various types of operating beds. The currently commonly used WX-S1380Q orthopedic traction frame is a lower limb traction device with a V-shaped double brace structure. The wheels under the rectangular base at the top of the V double brace are exposed, and the wheels under the open end of the V double brace are also exposed. The frame lacks stability and, therefore, often affects the traction effect on the patient. In addition, this lower limb traction device also has a disadvantage that the central column on the rectangular base directly blocks the activity space of the "C"-shaped arm that moves the X-ray machine during the operation, thereby affecting the doctor's accurate positioning of the patient's injured part, and then directly Delay the best possible therapeutic effect on the patient. In addition, this lower limb traction device does not have a suitable auxiliary traction mechanism on the foot support that fixes the patient's feet, so the traction operation is not only cumbersome, but also the traction force cannot be accurately controlled, which may cause secondary injury to the patient at any time. the

Contents of the invention

Aiming at the problems existing in the existing WX-S1380Q orthopedic traction frame, the present invention provides a safe, convenient, fast and good effect of applying force on the lower limb traction device for orthopedic surgery, which can greatly reduce secondary injuries to patients, and reduce the footprint. the

To achieve the above object, the present invention is achieved by taking the following technical solutions:

A V-shaped double-brace lower limb traction device for orthopedic surgery, comprising a seat board and a base, a phalanx column is provided on the upper side corresponding to the middle of the front side of the seat board, and a butt plate is provided on the rear side of the seat board to be combined with an operating bed; The front side of the base is articulated with a pair of V-shaped bottom braces, and each bottom brace is provided with two height-adjustable upright braces, one of which is set behind the middle of the bottom brace to support and fix The lower hip of the patient; the other is arranged at the front end of the bottom support to support and fix the patient's feet; it is characterized in that a horizontally 360° rotatable concave arc vertical arm is connected above the base, and the concave arc The upper end of the vertical arm is connected to the seat plate through a lifting mechanism; the upright support for supporting and fixing the patient's feet is provided with a foot support plate, and a fixed pulley is arranged on the front side, and a rope is wound on the pulley, and the rope One end is connected with a hook to hook the patient's foot cover; the other end of the rope is connected with a vertically downward tractor, which applies traction to the lower limbs of the patient through the pulley and the rope under the action of gravity. the

In the above scheme, a pair of wheel seats with invisible wheels are respectively installed below the left and right sides of the base, and the middle part and front end of each bottom support are also provided with wheel seats with invisible wheels. the

The bottom brace is formed by connecting the rear arm of the bottom brace and the forearm of the bottom brace through connecting joints. The rear end is inserted into the front end of the hollow bottom brace rear arm, and the pin located at the side of the connecting joint is inserted into the pin hole at the corresponding position of the bottom brace forearm at the rear end of the bottom brace rear arm to realize the bottom brace front and rear arms The interconnection is fixed. the

The upright brace that supports and fixes the patient's lower hip is arranged on the connecting joint and is a fixed upright brace; the upright brace that supports and fixes the patient's foot is arranged on the front end of the forearm of the bottom flat brace, which is a movable upright brace that can Move the forearm back and forth with the base plank. the

The base is connected with a vertical 360° rotatable inner concave arc vertical arm, which is realized by a turntable. The liftable mechanism is a combination structure of a suspension screw and a nut. A display window representing traction force data is opened on the side of the tractor. the

Compared with the prior art, the present invention has the advantage that the problem of blocking the movable space of the "C" arm of the X-ray machine during operation can be solved by the rotatable concave arc vertical arm, so that the mobile X-ray machine The upper and lower probes of the "C" arm can be adjusted in position and move freely during the operation. The telescopic V-bottom support can solve the volume of the traction device and save floor space. A foot support plate is provided on the upright support that supports and fixes the patient's feet, and the structure of the tractor is designed to exert a large traction force on the patient's lower limbs through pulleys and ropes under the action of gravity. This traction force is stable and intuitive. In addition, the present invention is easy to operate, can expand the range of treatment, and is also suitable for patients being drawn. the

Description of drawings

Fig. 1 is the overall structure diagram of the present invention. Wherein, the structure on the bottom support on the left side is omitted (the structure is the same as that on the low support on the right side). In the figure: 1, pubic column; 2, seat plate; 3, docking plate; 4, concave arc vertical arm; 5, suspension screw; 6, turntable; 7, base; 8, invisible wheel; 9, flat shaft; 10. Bottom flat support rear arm; 11. Connecting joint; 12. Latch pin; 13. Bottom flat support forearm; 14. Lower straight support; 15. Top tightening screw; 16. Upper straight support; Pallet holder; 19. Adjusting hand wheel; 20. Data display window; 21. Gravity tractor; 22. Traction pulley; 23. Hook; 24. Foot support plate; 25. C-arm (mobile X-ray machine); 26, pull rod. the

Detailed ways

With reference to Fig. 1, a kind of V-shaped double flat support lower limb traction device for orthopedic surgery comprises a rectangular base 7, on which a turntable 6 (built-in flat bearing) is connected to the concave arc vertical arm 4, and the turntable 6 can make the inner The concave arc vertical arm rotates 360° in the horizontal direction, which can avoid conflicting with C-shaped arms 25 (perspective devices) of different sizes. The upper end of the concave arc vertical arm is connected to the seat plate 2 through the cooperation of the nut and the suspension screw 5, so as to be used as a support point for the buttocks during the treatment of the patient; Forward. The rear side of the seat plate (the side near the upper end of the concave arc vertical arm) is connected with a butt plate 3, which is used to combine with various types of operating beds. The combination of the suspension screw 5 and the nut can be used to adjust the height of the seat board to match the docking of the seat board with operating beds of different heights. The "convex" shape formed by the seat plate and the butt plate can effectively support the patient's buttocks, and it is convenient to provide pads on the buttocks during the operation, which is beneficial to the operation. the

A pair of wheel bases with invisible wheels 8 are respectively installed below the left and right sides of the base. The ejection in the seat is protruding, which makes the whole device easy to move; after the whole device is in place, the invisible wheels on both sides can be retracted by lifting the pull rods on both sides, so that the wheel seat touches the ground (increased friction), so that the stability of the whole frame Increase. the

The front side of the rectangular base is connected to a pair of V-shaped bottom braces through two flat rotation shafts 9, and the bracket formed by the V-shaped bottom braces is ergonomic to fix and support the patient's lower limbs; each bottom brace includes a bottom The flat support rear arm 10, through the flat rotation shaft, the two flat support rear arms 10 can be opened or closed in the horizontal direction to adjust the opening angle of the V shape, which is beneficial to adjust the position of the C-shaped arm during the perspective process. The front end of each bottom brace rear arm 10 is connected with the bottom brace front arm 13 through a connecting joint 11 . The specific connection method is that the side of the rear end of the bottom brace forearm is provided with some pin holes at a certain distance, the rear end of the bottom brace forearm is inserted into the front end of the hollow bottom brace rear arm, and the bolt 12 located at the side of the connecting joint is used. Insert into the pin hole of the corresponding position of the bottom brace forearm at the rear end of the bottom brace rear arm to realize the mutual connection and fixation of the bottom brace front and rear arms. The advantage of this connection method is that the length of the bottom brace can be adjusted at will. To suit the surgical needs of patients of different heights. the

An upright brace with adjustable height is arranged on the joint 11 and the front end of the bottom flat forearm 13; wherein, the upright brace on the joint 11 is a fixed upright brace, and its upper end is provided with a concave for supporting the patient's lower hip. Supporting plate 17, the upright support on the bottom flat support forearm front end is a movable upright support, which can move forward and backward with the bottom flat support forearm; this movable upright support upper end is also provided with a concave supporting plate to support and fix the patient's foot. Its concave supporting plate front end is also connected with foot support flat plate 24, and a traction pulley 22 is installed above the foot support flat plate 24 front sides, and rope is wound on it, and one end of rope connects hook 23 and is used for hooking patient's foot cover; The tractor 21 is vertically downward, and the tractor applies traction to the patient's lower limbs through traction pulleys and ropes under the action of gravity. The size of the traction force can be visually represented through the data display window 20 on the side of the tractor; the adjustment hand wheel 19 at the lower end of the tractor 21 can be used to calibrate the data error of the tractor. the

The fixed vertical brace and the movable vertical brace are composed of upper and lower straight braces 16 and 14. The diameter of the upper brace is smaller than that of the lower brace and is inserted into the lower brace. After the height is adjusted, the two are firmly connected by the jacking screw 15 . the

Bottom brace rear arm 10 is near the below of connecting joint 11, and bottom brace forearm 13 front ends below all are equipped with the wheel seat with invisible wheel 8, and its principle of action is identical with the invisible wheel under the front base, repeats no more here. the

Claims (7)

1. A V-shaped double flat brace lower limb traction device for orthopedic surgery, comprising a seat board and a base, the middle of the front side of the seat board corresponds to a phalanx column, and the rear side of the seat board is provided with a docking plate and an operating bed Combination; the front side of the base is hinged with a pair of V-shaped bottom braces, and each bottom brace is provided with two height-adjustable upright braces, one of which is set behind the middle of the bottom brace to support and fix the patient's lower hip; the other is arranged at the front end of the bottom flat support to support and fix the patient's feet; it is characterized in that an inner concave arc vertical arm that can rotate horizontally 360° is connected to the base, and the inner The upper end of the concave arc vertical arm is connected to the seat plate through a lifting mechanism; the upright support for supporting and fixing the patient's feet is provided with a foot support plate, and a fixed pulley is arranged on the front side, and a rope is wound on the pulley. One end of the rope is connected with a hook to hook the patient's foot cover; the other end of the rope is connected with a vertically downward tractor, which applies traction to the lower limbs of the patient through the pulley and the rope under the action of gravity. the 2. The V-type double flat brace lower limb traction device for orthopedic surgery as claimed in claim 1, wherein a pair of wheel seats with invisible wheels are respectively installed under the left and right sides of the base, and each bottom flat brace The middle part and the front end are also provided with wheel bases with invisible wheels. the 3. The V-shaped double brace lower limb traction device for orthopedic surgery as claimed in claim 1, wherein the bottom brace is formed by connecting the bottom brace rear arm and the bottom brace forearm through connecting joints, specifically The connection method is that a number of pin holes are arranged at a certain distance on the side of the rear end of the forearm of the bottom brace, insert the rear end of the forearm of the bottom brace into the front end of the hollow rear arm of the bottom brace, and insert it into In the pin hole at the corresponding position of the bottom brace front arm rear end of the bottom brace rear end, the mutual connection and fixation of the bottom brace front and rear arms is realized. the 4. as claimed in claim 3, be used for orthopedic surgery V-type double flat brace lower limb traction device, it is characterized in that, described support and the upright brace of fixed patient's lower hip are arranged on the connecting joint, are fixed upright brace; The upright brace supporting and fixing the patient's foot is arranged on the front end of the bottom flat brace forearm, which is a movable upright brace that can move forward and backward with the bottom flat brace forearm. the 5. The V-type double flat brace lower limb traction device for orthopedic surgery as claimed in claim 1, characterized in that, the base is connected with a concave arc vertical arm capable of horizontal 360° rotation, which is realized by a turntable . the 6. The lower limb traction device for orthopedic surgery according to claim 1, wherein the liftable mechanism is a combination structure of a suspension screw and a nut. the 7. The lower limb traction device for orthopedic surgery according to claim 1, wherein a display window representing traction force data is opened on the side of the tractor. the