CN109157316B

CN109157316B - Leg fracture tractor

Info

Publication number: CN109157316B
Application number: CN201811219270.6A
Authority: CN
Inventors: 杜秀艳; 周睿
Original assignee: Individual
Current assignee: Du Xiuyan
Priority date: 2018-10-19
Filing date: 2018-10-19
Publication date: 2020-07-17
Anticipated expiration: 2038-10-19
Also published as: CN109157316A

Abstract

The invention relates to a retractor, in particular to a leg fracture retractor. The invention aims to provide a leg fracture retractor which can control hand strength and prevent secondary injury. The technical scheme is as follows: a leg fracture retractor comprises an n-shaped frame, wheels, a bearing seat, a first gear, a first support rod, a motor, a long gear, a second support rod, a first bearing, a C-shaped frame, an arc-shaped guide block and the like; the wheels used for moving are installed on the left side and the right side of the bottom in the n-shaped frame, the first gear is installed on the bearing seat through the rotating shaft, the bearing seat is installed in the middle of the top in the n-shaped frame, and the first supporting rod is installed on the right side of the top in the n-shaped frame. According to the invention, the long gear is rotated by starting the motor by medical staff, so that the angle of the clamping mechanism can be adjusted, and the leg of the patient is fixed by the clamping mechanism, thereby facilitating the medical staff to pull the leg of the patient.

Description

Leg fracture tractor

Technical Field

The invention relates to a retractor, in particular to a leg fracture retractor.

Background

Orthopedics patient is after the shank fracture, need medical personnel to pull patient's shank with the hand, thereby make fracture patient's shank resume normally, pull the time of resuming patient's shank at present, it pulls patient's shank to be medical personnel with the hand usually, and medical personnel is pulling patient, the difficult strength of controlling self hand, thereby can cause secondary damage to patient, in order to prevent to cause secondary damage to patient, medical personnel can control the strength of hand through the strength inductor, and the strength undersize then is difficult to reach the purpose of pulling patient's shank.

Disclosure of Invention

In order to overcome the defect that medical staff can hardly control the force of hands of a patient when the medical staff pulls the legs of the patient by hands, so that secondary injury can be caused to the patient, the invention aims to provide a leg fracture retractor which can control the force of the hands and can prevent secondary injury.

The technical scheme is as follows: a leg fracture tractor comprises an n-shaped frame, wheels, a bearing seat, a first gear, a first support rod, a motor, a long gear, a second support rod, a first bearing, a C-shaped frame, an arc-shaped guide block, a guide rod, a hollow pressing block, a first spring, an arc-shaped slide rod, a handle and a clamping mechanism for clamping legs, wherein the left side and the right side of the bottom in the n-shaped frame are respectively provided with the wheels for moving, the first gear is arranged on the bearing seat through a rotating shaft, the bearing seat is arranged in the middle of the top in the n-shaped frame, the first support rod is arranged on the right side of the top in the n-shaped frame, the bottom end of the first support rod is provided with the motor, the first bearing is arranged on the left side of the top in the n-shaped frame through the second support rod, the long gear is fixedly arranged in the first bearing through the rotating shaft, the long gear is positioned on the front side of the first gear, the long, the C-shaped frame is arranged at the bottom of the first gear, the arc-shaped guide block is arranged at the lower part of the right side surface of the C-shaped frame, a first groove with an installation effect is formed in the bottom of the arc-shaped guide block, a hollow pressing block is arranged in the first groove in a sliding manner, a first spring is used for connecting the hollow pressing block with the arc-shaped guide block, one end of the first spring is connected with the inner wall of the arc-shaped guide block, the other end of the first spring is connected with the bottom in the hollow pressing block, a first guide hole with a guide effect is formed in the right part of the arc-shaped guide block, the right part of the guide rod is in sliding fit with the first guide hole, the first guide hole is communicated with the first groove, the bottom end of the guide rod is connected with the bottom in the hollow pressing block, the first spring is wound on the guide rod, an arc-shaped slide rod is arranged on the upper part of the arc-shaped guide block in a sliding manner, a, the left part of guide bar is located the second guiding hole, and the guide bar cooperates with first draw-in groove, and the handle is installed in the upper portion of arc slide bar outer wall for the chucking mechanism of card leg is installed in arc slide bar inner wall upper portion.

As the improvement of above-mentioned scheme, chucking mechanism is including the fixed block, first splint, the pin rod, the second splint, the card strip, spring leaf and poker rod, the fixed block sets up in arc slide bar inner wall upper portion, the first splint of bottom fixedly connected with of fixed block, the lower part at first splint right flank is connected with the pivoted mode to the pin rod, be connected with the second splint on the pin rod, open the left side at second splint top has the second draw-in groove that plays the fixed action, open the right flank of fixed block has the third recess that plays the fixed action, trailing flank rotary type in the third recess is connected with the card strip, be connected with the spring leaf between the inner wall of card strip and fixed block, the right-hand member of card strip is connected with the poker rod, the lower part of card strip is located the second draw-.

As the improvement of the scheme, the improved rock drilling machine further comprises a fixing device, the fixing device comprises two hollow frames, two second bearings, a screw rod, a swing handle, nuts, a sliding rail, a sliding block and supporting rods, the two hollow frames are respectively arranged on the left side and the right side of the front side face of the n-shaped frame, the second bearings are embedded in the outer walls of the left hollow frame and the right hollow frame, the screw rod is installed in the second bearings, the swing handles are installed at the outer ends of the left screw rod and the right screw rod, the nuts are sleeved on the screw rod, the sliding rails are arranged on the upper side and the lower side in the hollow frames, the sliding blocks are matched on the sliding rails in a sliding mode, the upper sliding block and the.

When the medical traction device is used for traction of a patient, a medical worker moves the medical traction device to a proper position through the wheels, then the medical worker starts the motor to enable the long gear to rotate, the long gear rotates to drive the first gear to rotate, the first gear rotates to drive the C-shaped frame to rotate, the C-shaped frame rotates to enable the arc-shaped sliding rod to rotate through the arc-shaped guide block, the arc-shaped sliding rod rotates to drive the clamping mechanism to rotate, the angle of the medical traction device can be adjusted, therefore, the medical worker can conveniently use the medical traction device to traction the patient, then the medical worker fixes the leg of the patient through the clamping mechanism, then the medical worker holds the handle by hands and presses downwards, the arc-shaped sliding rod can move rightwards, the guide rod can move upwards out of the first clamping groove, the first spring is compressed accordingly, the arc-shaped sliding rod continues to move rightwards, and the guide rod can be downwards clamped into the corresponding first clamping groove under the action, so can handle control hand strength, and can pull patient to can be convenient for treat patient, so do not need medical personnel to pull patient's shank with the hand, thereby can prevent to cause the secondary damage to patient's shank.

When needs are fixed patient's shank, medical personnel with the hand kickup lever that upwards swings, so can make card strip upswing, card strip upswing can shift out in the second draw-in groove, the spring leaf compresses thereupon, medical personnel swings the second splint right afterwards, then medical personnel makes patient's shank be located between first splint and the second splint, medical personnel swings the second splint again and resets, loosen the kickup lever afterwards, can make card strip go into in the second draw-in groove downwards under the effect of spring leaf elasticity, so can fix patient's shank, thereby can be convenient for medical personnel pull patient's shank.

When the medical staff holds the rocker handle by hand to rotate the screw rod in the forward direction, the nuts on the left and right sides can be acted to move inwards, the nuts on the left and right sides move inwards to drive the support rods on the left and right sides to move inwards, the invention can be fixed on the hospital bed through the inward movement of the support rods on the left and right sides, so that the invention can prevent the patient from being secondarily injured when the patient is pulled, after the medical staff finishes using the hospital bed, the medical staff holds the rocker handle by hand to rotate the screw rod in the reverse direction, so that the nuts on the left and right sides can move outwards, and the fixation of the invention can be released.

The invention has the following advantages: the long gear is rotated by starting the motor by medical staff, so that the angle of the clamping mechanism can be adjusted, the leg of a patient is fixed by the clamping mechanism, the medical staff can conveniently pull the leg of the patient, the hand-operated traction device can be fixed on a hospital bed by the fixing device, the hand-operated traction device can prevent the leg of the patient from being moved by the hand to cause secondary injury to the patient when the patient is pulled, the medical staff can be prevented from exerting too much force to cause secondary injury to the patient, the patient can be conveniently pulled, the hand control force can be controlled by the first clamping groove, the leg of the patient can be pulled, and the leg of the patient does not need to be pulled by the hand of the medical staff.

Drawings

Fig. 1 is a first front view structure diagram of the present invention.

Fig. 2 is a schematic front view of the structure of the present invention a.

Fig. 3 is a schematic front view of the present invention B.

Fig. 4 is a second front view structure diagram of the present invention.

Fig. 5 is a schematic front view of the fixing device of the present invention.

Number designation in the figures: 1: n-shaped frame, 2: wheel, 3: bearing seat, 4: first gear, 5: first strut, 6: motor, 7: elongated gear, 8: second strut, 9: first bearing, 10: c-shaped frame, 11: arc guide block, 12: first groove, 13: first guide hole, 14: guide bar, 15: hollow briquette, 16: first spring, 17: arc slide bar, 18: first card slot, 19: second guide hole, 20: handle, 21: chucking mechanism, 201: fixed block, 22: first splint, 23: pin, 24: second splint, 25: second card slot, 26: third groove, 27: card strip, 28: spring plate, 29: tap lever, 30: fixing device, 301: hollow frame, 302: second bearing, 303: a screw, 304: swing handle, 305: nut, 306: slide rail, 307: a slider, 308: a support rod.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1

A leg fracture retractor is shown in figures 1-5 and comprises an n-shaped frame 1, wheels 2, a bearing seat 3, a first gear 4, a first support rod 5, a motor 6, a long gear 7, a second support rod 8, a first bearing 9, a C-shaped frame 10, an arc-shaped guide block 11, a guide rod 14, a hollow press block 15, a first spring 16, an arc-shaped slide rod 17, a handle 20 and a clamping mechanism 21 for clamping legs, wherein the left side and the right side of the bottom in the n-shaped frame 1 are respectively provided with the wheels 2 for moving, the first gear 4 is arranged on the bearing seat 3 through a rotating shaft, the bearing seat 3 is arranged in the middle of the top in the n-shaped frame 1, the first support rod 5 is arranged on the right side of the top in the n-shaped frame 1, the motor 6 is arranged at the bottom end of the first support rod 5, the first bearing 9 is arranged on the left side of the top in the n-shaped frame 1 through the second support rod 8, the, the long gear 7 is positioned at the front side of the first gear 4, the long gear 7 is meshed with the first gear 4, the left end of the output shaft of the motor 6 is fixedly connected with the right end of the long gear 7, the C-shaped frame 10 is installed at the bottom of the first gear 4, the arc-shaped guide block 11 is arranged at the lower part of the right side surface of the C-shaped frame 10, the bottom of the arc-shaped guide block 11 is provided with a first groove 12 for installation, a hollow pressing block 15 is arranged in the first groove 12 in a sliding mode, a first spring 16 is used for connecting the hollow pressing block 15 with the arc-shaped guide block 11, one end of the first spring 16 is connected with the inner wall of the arc-shaped guide block 11, the other end of the first spring 16 is connected with the bottom inside the hollow pressing block 15, the right part of the arc-shaped guide block 11 is provided with a first guide hole 13 for guiding, the right part of the guide rod 14 is in sliding fit with the first guide hole 13, the first guide hole 13 is communicated with the first, first spring 16 is around locating on guide bar 14, the upper portion slidingtype of arc guide block 11 is equipped with arc slide bar 17, arc slide bar 17's inner wall is opened has a plurality of first draw-in grooves 18 that play the fixed action, arc guide block 11's left part is opened has second guiding hole 19, the left part of guide bar 14 is located second guiding hole 19, guide bar 14 and the cooperation of first draw-in groove 18, handle 20 is installed in the upper portion of arc slide bar 17 outer wall, chucking mechanism 21 for the card leg is installed in arc slide bar 17 inner wall upper portion.

Example 2

Chucking mechanism 21 is including fixed block 201, first splint 22, pin rod 23, second splint 24, card strip 27, spring leaf 28 and poker rod 29, fixed block 201 sets up in arc slide bar 17 inner wall upper portion, the first splint 22 of bottom fixedly connected with of fixed block 201, the lower part at first splint 22 right flank is connected with the pivoted mode to pin rod 23, be connected with second splint 24 on the pin rod 23, open the left side at second splint 24 top has second draw-in groove 25 that plays the fixed action, open the right flank of fixed block 201 has third recess 26 that plays the fixed action, trailing flank rotary type in the third recess 26 is connected with card strip 27, be connected with spring leaf 28 between the inner wall of card strip 27 and fixed block 201, the right-hand member of card strip 27 is connected with poker rod 29, the lower part of card strip 27 is located second draw-in groove 25.

Example 3

The fixing device 30 comprises two hollow frames 301, a second bearing 302, two screws 303, swing handles 304, nuts 305, slide rails 306, sliders 307 and support rods 308, the two hollow frames 301 are respectively arranged on the left side and the right side of the front side of the n-shaped frame 1, the second bearings 302 are embedded in the outer walls of the left hollow frame 301 and the right hollow frame 301, the screws 303 are installed in the second bearing 302, the swing handles 304 are installed at the outer ends of the left screw 303 and the right screw 303, the nuts 305 are sleeved on the screws 303, the slide rails 306 are arranged on the upper side and the lower side of the hollow frame 301, the sliders 307 are slidably matched on the slide rails 306, the upper slider 307 and the lower slider 307 are connected with the nuts 305, the support rods 308 are installed on the inner side faces of the left nut 305 and the right nut 305.

When the medical staff needs to use the invention to pull a patient, the medical staff moves the invention to a proper position through the wheel 2, then the medical staff starts the motor 6 to rotate the long gear 7, the long gear 7 rotates to drive the first gear 4 to rotate, the first gear 4 rotates to drive the C-shaped frame 10 to rotate, the C-shaped frame 10 rotates to drive the arc-shaped sliding rod 17 to rotate through the arc-shaped guide block 11, the arc-shaped sliding rod 17 rotates to drive the clamping mechanism 21 to rotate, so that the angle of the invention can be adjusted, the medical staff can conveniently use the invention to pull the patient, then the medical staff fixes the leg of the patient through the clamping mechanism 21, then the medical staff holds the handle 20 by hand and presses downwards, so that the arc-shaped sliding rod 17 can move rightwards, so that the guide rod 14 can move upwards out of the first clamping groove 18, the first spring 16 is compressed therewith, arc slide bar 17 continues to move to the right, can make under the effect of the elastic force of first spring 16 guide bar 14 go into downwards the card go into corresponding first draw-in groove 18 in, so can handle hand control strength, and can pull patient to can be convenient for treat patient, so do not need medical personnel to pull patient's shank with the hand, thereby can prevent to cause secondary damage to patient's shank.

When needs are fixed patient's shank, medical personnel swing poker rod 29 with the hand upwards, so can make card strip 27 upwards swing, card strip 27 upwards swings and can shift out in the second draw-in groove 25, spring leaf 28 compresses thereupon, medical personnel swing second splint 24 right afterwards, then medical personnel make patient's shank be located between first splint 22 and the second splint 24, medical personnel swing second splint 24 again and reset, release poker rod 29 afterwards, can make card strip 27 go down to block in the second draw-in groove 25 under the effect of spring leaf 28 elasticity, so can fix patient's shank, thereby can be convenient for medical personnel to pull patient's shank.

The medical staff holds the rocker 304 with a hand to rotate the screw 303 in the forward direction, so that the nuts 305 on the left and right sides can be moved inward, the nuts 305 on the left and right sides move inward to move the support rods 308 on the left and right sides inward, and the present invention can be fixed to a patient bed by moving the support rods 308 on the left and right sides inward, so that the movement of the present invention can prevent a patient from being secondarily injured when the patient is pulled, and after use, the medical staff holds the rocker 304 with a hand to rotate the screw 303 in the reverse direction, so that the nuts 305 on the left and right sides can be moved outward, and the fixation of the present invention can be released.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A leg fracture retractor comprises an n-shaped frame (1), wheels (2), a bearing seat (3), a first gear (4), a first supporting rod (5) and a motor (6), wherein the wheels (2) used for moving are installed on the left side and the right side of the bottom in the n-shaped frame (1), the first gear (4) is installed on the bearing seat (3) through a rotating shaft, the bearing seat (3) is installed in the middle of the top in the n-shaped frame (1), the first supporting rod (5) is installed on the right side of the top in the n-shaped frame (1), the motor (6) is installed at the bottom end of the first supporting rod (5), and the leg fracture retractor is characterized by further comprising a long gear (7), a second supporting rod (8), a first bearing (9), a C-shaped frame (10), an arc-shaped guide block (11), a guide rod (14), a hollow pressing block (15), a first spring (16), an arc-shaped sliding rod (17), a handle (20) and a clamping mechanism, the first bearing (9) is arranged on the left side of the top in the n-shaped frame (1) through a second support rod (8), a long gear (7) is fixedly arranged in the first bearing (9) through a rotating shaft, the long gear (7) is positioned on the front side of the first gear (4), the long gear (7) is meshed with the first gear (4), the left end of an output shaft of a motor (6) is fixedly connected with the right end of the long gear (7), the C-shaped frame (10) is arranged at the bottom of the first gear (4), the arc-shaped guide block (11) is arranged at the lower part of the right side face of the C-shaped frame (10), a first groove (12) for installation is formed in the bottom of the arc-shaped guide block (11), a hollow pressing block (15) is arranged in the first groove (12) in a sliding manner, the first spring (16) is used for connecting the hollow pressing block (15) with the arc-shaped guide block (11), and one end of the first spring (16) is connected with the inner wall of, the other end of the first spring (16) is connected with the bottom in the hollow pressing block (15), the right part of the arc-shaped guide block (11) is provided with a first guide hole (13) with a guiding function, the right part of the guide rod (14) is in sliding fit with the first guide hole (13), the first guide hole (13) is communicated with the first groove (12), the bottom end of the guide rod (14) is connected with the bottom in the hollow pressing block (15), the first spring (16) is wound on the guide rod (14), the upper part of the arc-shaped guide block (11) is provided with an arc-shaped slide rod (17) in a sliding way, the inner wall of the arc-shaped slide rod (17) is provided with a plurality of first clamping grooves (18) with a fixing function, the left part of the arc-shaped guide block (11) is provided with a second guide hole (19), the left part of the guide rod (14) is positioned in the second guide hole (19), the guide rod (14) is matched with the first clamping grooves (18), and the handle (20) is arranged on the upper part of the, a clamping mechanism (21) for clamping the legs is arranged on the upper part of the inner wall of the arc-shaped sliding rod (17).

2. The leg fracture retractor according to claim 1, wherein the clamping mechanism (21) comprises a fixing block (201), a first clamping plate (22), a pin rod (23), a second clamping plate (24), a clamping strip (27), a spring strip (28) and a poke rod (29), the fixing block (201) is arranged on the upper portion of the inner wall of the arc-shaped sliding rod (17), the bottom of the fixing block (201) is fixedly connected with the first clamping plate (22), the pin rod (23) is connected to the lower portion of the right side face of the first clamping plate (22) in a rotating manner, the pin rod (23) is connected with the second clamping plate (24), the left side of the top of the second clamping plate (24) is provided with a second clamping groove (25) for fixing, the right side face of the fixing block (201) is provided with a third groove (26) for fixing, the rear side face in the third groove (26) is rotatably connected with the clamping strip (27), the spring strip (28) is connected between the clamping strip (27) and the inner wall, the right end of the clamping strip (27) is connected with a poke rod (29), and the lower part of the clamping strip (27) is positioned in the second clamping groove (25).

3. The leg fracture retractor according to claim 2, further comprising a fixing device (30), wherein the fixing device (30) comprises two hollow frames (301), two second bearings (302), two screws (303), swing handles (304), nuts (305), slide rails (306), sliders (307) and support rods (308), the two hollow frames (301) are respectively arranged at the left and right sides of the front side surface of the n-shaped frame (1), the second bearings (302) are embedded in the outer walls of the left and right hollow frames (301), the screws (303) are arranged in the second bearings (302), the swing handles (304) are arranged at the outer ends of the left and right screws (303), the nuts (305) are sleeved on the screws (303), the slide rails (306) are arranged at the upper and lower sides in the hollow frames (301), the slide rails (306) are slidably fitted with the sliders (307), and the upper and lower sliders (307) are connected with the nuts (305), the inner side surfaces of the left nut (305) and the right nut (305) are both provided with a support rod (308), and the screw rod (303) is positioned in the support rod (308).