CN218572285U - Convenient limbs fracture restorer who adjusts - Google Patents

Abstract

The utility model discloses a convenient limbs fracture restorer who adjusts, a serial communication port, include: the left bracket, the right bracket, the annular clamp connector and the guide needle fixer are arranged on the left bracket; the left support and the right support are dynamically connected in the middle through screw rods, the outer ends of the left support and the right support are respectively provided with a fixed bearing column and a movable bearing column, the annular clamping device is respectively sleeved in the fixed bearing column and the movable bearing column through straight rods fixedly arranged at the bottom of the annular clamping device, and the guide needle fixer is arranged on the annular clamping device in a sliding mode; the movable bearing column is formed by fixedly arranging rotary joints which rotate back and forth, left and right and horizontal rotary joints, the rotary joints enable the rotor to rotate with damping through reeds which are internally connected with the rotor, and clamping blocks are clamped into clamping grooves which are distributed on the stator according to the angle circumference to mechanically lock the rotor; the regular frame is arranged at the bottom of the device, excessive free movement cannot be generated in stretching, and compared with the traditional fracture repositor, the shape change is more stable, and secondary damage to the fracture part is not easy to cause.

Description

Convenient limbs fracture restorer who adjusts

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to convenient limbs fracture restorer who adjusts.

Background

Fracture refers to the complete or partial breakdown of continuity of a bone structure. It is common to children and the elderly, and occurs in the middle-aged and young; once a fracture occurs, pain, swelling, ecchymosis and dysfunction may occur at the fracture site, and a sound of rubbing the broken bones (i.e., rubbing) may be heard during examination, and may be accompanied by damage to blood vessels and nerves, resulting in ischemia or numbness of sensation, dyskinesia, or visceral injury at the distal end of the limb. After fracture, shock is caused by severe pain, excessive bleeding or concurrent injury of head, chest and abdominal organs.

At present, in clinic, an artificial manual reduction mode is mostly adopted for fracture reduction, but the fracture reduction method has low reduction accuracy, is difficult to control the reduction force and is inconvenient for fine adjustment; therefore, in the prior art, a plurality of fracture reduction devices replacing manual reduction are designed, but the devices are mainly that the distraction fixator is additionally arranged at the two ends of the fracture, and the two ends are lack of relative limit, so that the freedom degree of movement of the fracture is easily increased in the distraction process, and the secondary injury of the fracture is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a convenient limbs fracture restorer who adjusts through designing whole spacing restorer both ends to solve foretell manual skill and reset unstably, resetting means struts the unstable problem in both ends, angle modulation.

In order to achieve the technical effect of solving the technical problem, the utility model discloses a realize through following technical scheme: an adjustable limb fracture repositor, comprising: the left bracket, the right bracket, the annular clamping device and the guide needle fixer;

the left support and the right support are dynamically connected in the middle through screw rods, the outer ends of the left support and the right support are respectively provided with a fixed bearing column and a movable bearing column, the annular clamping device is respectively sleeved in the fixed bearing column and the movable bearing column through straight rods fixedly arranged at the bottom of the annular clamping device, and the guide needle fixer is arranged on the annular clamping device in a sliding mode;

the movable bearing column is formed by fixedly arranging rotary joints which rotate back and forth, left and right and horizontal rotary joints, the rotary joints enable the rotor to rotate with damping through reeds which are internally connected with the rotor, and clamping blocks are clamped into clamping grooves which are distributed on the stator according to the angle circumference to mechanically lock the rotor;

furthermore, a rotor of the rotary joint is rotatably connected to the stator through a clamping shaft, the reed is arranged in an inner cavity of the stator, one end of the reed is fixedly connected with the stator, and the other end of the reed is fixedly connected with the outer side of the clamping shaft of the rotor; the contact end surfaces of the stator and the rotor are provided with clamping grooves which are distributed circumferentially at the same angle interval, two clamping blocks are arranged in an alignment way, the two clamping blocks are elastically and telescopically clamped in the rotor by virtue of a spring and are connected into the clamping grooves, and the two clamping blocks are simultaneously connected with a knob arranged outside the rotor;

furthermore, two ends of the screw rod are provided with screw rods with threads which are mutually in counter-rotation, and the screw rods are connected with the left support and the right support on two sides of the screw rod through threads;

furthermore, the annular clamping device comprises an inner ring and an outer ring which have the same diameter and are connected with each other on the side surfaces, a sliding groove for bearing the guide pin positioner is clamped on the inner side wall in the middle of the inner ring and the outer ring, the alignment side walls of the inner ring and the outer ring are fixedly connected, a straight rod of the inner ring is fixedly connected to a lower connecting point, the sliding groove is divided into an alignment semicircular sliding groove by an upper connecting point and a lower connecting point, and the sliding groove penetrates through the side wall of the inner ring; the straight rod is integrally in a threaded rod shape, and planes with the intervals smaller than the small diameter of the threads are arranged on the outer side of the straight rod in an aligned mode; cushions are fixedly arranged on the inner rings of the inner circular ring and the outer circular ring;

furthermore, a round hole for bearing the guide pin is formed in the center of the guide pin fixer, the side surface and the outer end surface of the guide pin fixer are in threaded connection and can respectively and spirally lock the guide pin and the locker of the guide pin fixer, and the locker of the outer end surface of the guide pin penetrates through the inner ring and is spirally locked on the outer side wall of the inner ring;

furthermore, the fixed bearing column comprises a bearing rod and a lifting joint arranged on the bearing rod, a cylindrical hole with a plane alignment side surface is arranged in the bearing rod, a straight rod of the annular clamping device is movably connected in the cylindrical hole, and the lifting joint comprises a driving nut which is rotatably connected to the top end of the bearing column and a locking nut which is in threaded connection with the straight rod;

furthermore, the movable bearing column is sequentially provided with a left-right rotating joint, a front-back rotating joint and a horizontal rotating joint which are fixedly connected from bottom to top when viewed from the side, and a bearing rod of a lifting joint is arranged at the top of a movable clamp in the horizontal rotating joint;

furthermore, the bottom of the bearing rod of the bearing column is rotatably clamped in an inner cavity of the horizontal rotary joint, the outer wall of the bearing rod is surrounded by a plastic locking sheet of the rotary joint, the outer part of the plastic locking sheet is in threaded connection with a locking knob, a plurality of plastic locking sheets are arranged in a separated circumferential manner, the outer end face of each plastic locking sheet is a threaded end face inclined towards the inner side, and the inner side wall of the locking knob is an inclined threaded end face matched with the outer end of the plastic locking sheet;

the beneficial effects of the utility model are that:

1. the utility model provides a fracture restorer with two stable ends, fixed shape and extension, the bottom is provided with a regular frame, which ensures that excessive free movement can not occur in the extension process, compared with the traditional fracture restorer, the shape change is more stable, and the fracture part of a patient is not easy to cause secondary damage;

2. the utility model provides a rotary joint with damping is designed for one angle adjustment block in the device, and a spiral reed is arranged in the rotary joint to provide the rotary damping force, so that the rotary joint can not move excessively when rotating, and the rotary joint is beneficial to stably adjusting the angle of the affected limb of a patient; the damping force can slowly change in the angle adjusting process, so that the affected limb of the patient is prevented from being injured by large-amplitude rotary motion;

3. secondly, the rotary joint of the device is provided with a clamping groove arranged according to a specified angle, the clamping block is clamped into the clamping groove to limit the rotary motion of the rotary joint, and the rotary joint is mechanically and firmly connected with the clamping groove to ensure the stability and the moment bearing capacity of the rotary joint in the whole using process of the device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a limb fracture restorer which is convenient to adjust;

FIG. 2 is a side schematic view of a limb fracture reducer that facilitates adjustment;

FIG. 3 is a front view of a limb fracture reducer that is easily adjustable;

FIG. 4 is a schematic view of a guide needle fixer of a limb fracture repositor convenient to adjust and its auxiliary structure;

FIG. 5 is a schematic cross-sectional view of an annular joint clamp of a limb fracture reduction device for easy adjustment;

FIG. 6 is a schematic view of a ring-shaped clamp of the limb fracture reduction device and its auxiliary structure, which are convenient to adjust;

FIG. 7 is an enlarged partial schematic view of FIG. 1 at 9;

FIG. 8 is a partial schematic view of a load bar of a convenient adjustable limb fracture reducer;

FIG. 9 is a schematic view of a stator interface of a rotary joint of a limb fracture reduction apparatus for facilitating adjustment;

FIG. 10 is a schematic view of the internal structure of a rotary joint of a limb fracture reduction apparatus convenient to adjust;

FIG. 11 is a schematic cross-sectional view of a horizontal swivel joint of a conveniently adjustable limb fracture reducer;

FIG. 12 is a schematic cross-sectional view of the lifting joint of a limb fracture reduction apparatus with convenient adjustment;

in the drawings, the reference numbers indicate the following list of parts:

1-left support, 2-right support, 3-screw rod, 4-annular clamp, 41-cushion, 42-outer circular ring, 43-inner circular ring, 44-sliding groove, 45-straight rod, 5-guide needle holder, 51-round hole, 52-locker, 6-movable bearing column, 61-lifting joint, 611-locking nut, 612-adjusting nut, 62-bearing rod, 621-cylindrical hole, 63-rotary joint, 631-stator, 632-rotor, 633-clamping shaft, 634-reed, 635-knob, 636-clamping block, 637-spring, 64-horizontal rotary joint, 641-locking knob, 643-plastic locking sheet, 6311-clamping groove, 7-fixed bearing column and 8-guide needle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 12, an adjustable limb fracture reduction apparatus is characterized by comprising: the device comprises a left bracket 1, a right bracket 2, an annular clamp connector 4 and a guide needle fixer 5;

the middle parts of the left bracket 1 and the right bracket 2 are dynamically connected through a screw rod 3, the outer ends of the left bracket and the right bracket are respectively provided with a fixed bearing column 7 and a movable bearing column 6, the annular clamping device 4 is respectively sleeved in the fixed bearing column 7 and the movable bearing column 6 through a straight rod 45 fixedly arranged at the bottom of the annular clamping device, and the needle guide fixer 5 is slidably arranged on the annular clamping device 4; the left bracket 1 and the right bracket 2 are integrally rectangular frames, the bearing annular clamping device 4 constructs two point positions for expanding or pressing fracture ends, and the bracket shape is not deformed in the whole expanding process under the spiral action of the spiral rod 3, so that the stability of the device shape change is ensured;

the movable bearing column 6 is formed by fixedly arranging a rotary joint 63 which rotates back and forth, left and right and a horizontal rotary joint 64, the rotary joint 63 is internally connected with a reed 634 of the rotor 632, so that the rotor 632 can rotate in a damping manner, a clamping block 636 is clamped into clamping grooves 6311 distributed on the stator 631 according to the angle circumference, and the rotor 632 is mechanically locked; the rotary joint 63 and the horizontal rotary joint 64 are matched to realize the adjustment in the three-dimensional space of the adjusting end, so that the angle change range of the affected limb is larger, and the practicability is wider; secondly, under the action of the rotary damping, the form adjustment and transformation process of the whole device is more moderate and stable, and secondary damage of the affected limb caused by rapid range change is avoided;

the rotor 632 of the rotary joint 63 is rotatably connected to the stator 631 through a clamping shaft 633, the reed 634 is arranged in the inner cavity of the stator, one end of the reed is fixedly connected with the stator 631, and the other end of the reed is fixedly connected with the periphery of the clamping shaft 633 of the rotor 632; the contact end face of the stator 631 and the rotor 632 is provided with clamping grooves 6311, and the clamping grooves are circumferentially distributed at the same angle interval, so that the accuracy and the uniformity of the rotation angle can be conveniently controlled, two clamping blocks 636 are arranged in an alignment manner, the two clamping blocks are elastically and telescopically clamped in the rotor 632 by virtue of springs 637 and are connected into the clamping grooves 6311, and the two clamping blocks 636 are simultaneously connected with knobs 635 arranged outside the rotor 632; under the action of the spring 637, the fixture block 636 is normally inserted into the fixture groove 6311, that is, the whole rotary joint 63 is in a locked state, and when the angle needs to be adjusted by rotation, the fixture block 636 is pulled out through the knob 635 so as to be separated from the fixture groove 6311, and the rotary joint 63 is unlocked to realize the rotation adjustment;

two ends of the screw rod 3 are provided with screw rods with threads which are mutually in counter rotation, and the screw rods are connected with the left support 1 and the right support 2 on two sides of the screw rod through threads; the screw rod 3 is rotated towards the same direction, and the left bracket 1 and the right bracket 2 can simultaneously move towards the inner side or the outer side under the action of reverse threads;

the annular fastener 4 comprises an inner circular ring 43 and an outer circular ring 42 which have the same diameter and are connected with each other at the side surfaces, a chute 44 for bearing the guide pin positioner 5 is clamped on the inner side wall between the inner circular ring 43 and the outer circular ring 42, the inner side wall of the inner circular ring 43 and the outer circular ring 42 are fixedly connected with the contraposition side wall, a straight rod 45 of the inner circular ring is fixedly connected with a lower connecting point, the chute 44 is divided into a contraposition semicircular chute by an upper connecting point and a lower connecting point, namely, a guide pin fixer 5 is slidably clamped in the semicircular chute and is arranged in a contraposition way, and the chute 44 penetrates through the side wall of the inner circular ring 43; the straight rod 45 is integrally in a threaded rod shape, and planes with the intervals smaller than the small diameter of the threads are arranged on the outer side of the straight rod in an aligned mode; the inner rings of the inner circular ring 43 and the outer circular ring 42 are fixedly provided with cushions 41, so that the comfort of the patient when the patient suffers from limbs is ensured;

the center of the needle guide fixer 5 is provided with a round hole 51 for bearing the guide needle, the side surface and the outer end surface of the needle guide fixer are provided with a locker 52 which is in threaded connection and can respectively lock the guide needle 8 and the needle guide fixer 5 in a spiral way, and the locker 52 on the outer end surface of the needle guide fixer passes through the inner ring 43 and is locked in the outer side wall of the inner ring 43 in a spiral way to fix the relative positions of the needle guide fixer 5 and the annular clamping device 4; the guide pin 8 can move in the round hole 51 in a telescopic way, namely the depth length of the guide pin 8 is adjusted, and finally the guide pin 8 is locked and fixed through the side locker 52;

the fixed bearing column 7 comprises a bearing rod 62 and a lifting joint 61 arranged on the bearing rod 62, a cylindrical hole 621 with a plane alignment side surface is arranged in the bearing rod 62, a straight rod 45 of the annular clamping device 4 is movably connected in the cylindrical hole 621, the lifting joint 61 comprises a driving nut 611 rotationally connected to the top end of the bearing column 7 and a locking nut 612 in threaded connection with the straight rod 45, and the locking nut 612 is rotationally clamped to the upper end surface of the driving nut 611 through threaded connection of the straight rod 45 in the using process, namely the position of the locking straight rod 45 is fixed, namely the position of the annular clamping device 4 is fixed;

the movable bearing column 6 is sequentially provided with a rotary joint 63 rotating left and right, a rotary joint 63 rotating front and back and a horizontal rotary joint 64 from bottom to top in a fixed connection manner when viewed from the side, and a bearing rod 62 of a lifting joint 61 is arranged at the top of a movable clamp in the horizontal rotary joint 64;

the bottom of the bearing rod 62 of the movable bearing column 6 is rotatably clamped in the inner cavity of the horizontal rotation joint 64, the outer wall of the inner cavity is surrounded by a plastic locking sheet 643 of the horizontal rotation joint 64, the outer part of the plastic locking sheet 643 is in threaded connection with a locking knob 641, a plurality of the plastic locking sheets 643 are arranged in a separated circumferential manner, the outer end surface of each plastic locking sheet 643 is a threaded end surface inclined towards the inner side, and the inner side wall of each locking knob 641 is an inclined threaded end surface matched with the outer end of the corresponding plastic locking sheet 643; when the locking knob 641 is rotated, it moves downward, and under the effect of the inclined thread end face, the plastic locking piece 643 is gradually pressed inward in the downward movement process, so as to press and limit the bearing rod 62 of the movable bearing column 6, and realize the horizontal rotation limit thereof.

Example 2

(1) Placing the device in a suitable position;

(2) Unscrewing the side locker 52 of the guide pin holder 5 and removing the whole guide pin 8;

(3) According to the affected limb condition of the patient, the screw rods 3 are screwed in the same direction, and the spreading length of the device is adjusted;

(4) The affected limb of the patient is inserted into the two annular clamping devices 4 of the device;

(5) Adjusting the height of the annular clamping device 4 on the fixed bearing column 7, specifically rotating the driving nut 612, and when the height of the annular clamping device 4 reaches a preset value, rotating the locking nut 611 to lock the annular clamping device 4;

(6) The knobs 635 of the two rotary joints 63 are kept in a pulled-out state, and the far ends of the limbs of the patient are adjusted;

(7) Under the action of the rotation damping of the rotary joints 63, the two rotary joints 63 slowly rotate under the action of external force;

(8) After the rotary joint 63 is in a proper position, the knob 635 of the rotary joint 63 is loosened, and the joint is locked;

(9) Repeating the step 5 to operate and adjust the height of the annular clamping device 4 on the movable bearing column 6 to a proper value;

(10) Determining the needle inserting position of the guide needle 8, adjusting the position of the guide needle fixer 5, and locking the guide needle on the annular clamping device 5 through the locker 52;

(11) Adding the guide pin 8 into the bone of the patient, and fixing the guide pin 8 through the guide pin fixer 5 and the locker 52;

(12) The adjusting screw rod 3 is rotated again to open or compress the fracture part.

In summary, 1, the present invention provides a fracture reduction device with two stable ends, shaped and retractable, the bottom of which is provided with a regular frame to ensure that the expansion process does not generate too much free movement, and compared with the traditional fracture reduction device, the shape change of the fracture reduction device is more stable, and the fracture of the patient is not easy to cause secondary damage;

2. the utility model provides a rotary joint with damping is designed for one angle adjustment block in the device, and a spiral reed is arranged in the rotary joint to provide the rotary damping force, so that the rotary joint can not move excessively when rotating, and the rotary joint is beneficial to stably adjusting the angle of the affected limb of a patient; the damping force can slowly change in the angle adjusting process, so that the affected limb of the patient is prevented from being injured by large-amplitude rotary motion;

3. secondly, the rotary joint of the device is provided with a clamping groove arranged according to a specified angle, the clamping block is clamped into the clamping groove to limit the rotary motion of the rotary joint, and the rotary joint is mechanically and firmly connected with the clamping groove to ensure the stability and the moment bearing capacity of the rotary joint in the whole using process of the device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. An adjustable limb fracture repositor, comprising: the left bracket, the right bracket, the annular clamping device and the guide needle fixer;

the left support and the right support are dynamically connected in the middle through screw rods, the outer ends of the left support and the right support are respectively provided with a fixed bearing column and a movable bearing column, the annular clamping device is respectively sleeved in the fixed bearing column and the movable bearing column through straight rods fixedly arranged at the bottom of the annular clamping device, and the guide needle fixer is arranged on the annular clamping device in a sliding mode;

the movable bearing column is composed of a rotary joint which rotates front and back, and rotates left and right, and a horizontal rotary joint which is fixedly arranged, the rotary joint enables the rotor to rotate with damping through a reed which is connected with the rotor, a clamping block is clamped into clamping grooves which are distributed on the stator according to the angle circumference, and the rotor is mechanically locked.

2. The adjustable limb fracture repositor according to claim 1, wherein the rotor of the rotary joint is rotatably connected to the stator through a clamping shaft, the reed is arranged in the inner cavity of the stator, one end of the reed is fixedly connected with the stator, and the other end of the reed is fixedly connected with the outer side of the clamping shaft of the rotor; the stator sets up the draw-in groove with the rotor contact end face, and distributes according to same angular interval circumference, two fixture block counterpoint are arranged, rely on the spring to insert the draw-in groove in the rotor elasticity expansion card, and two fixture blocks are connected with the knob of arranging the rotor outside in simultaneously.

3. The adjustable limbs fracture reduction device according to claim 1, wherein the screw rods are provided with screw rods at two ends thereof, the screw rods are threaded in opposite directions, and the left support and the right support at two sides of the screw rods are connected through screw threads.

4. The adjustable limb fracture repositor according to claim 1, wherein the annular clamp comprises two inner and outer rings with the same diameter and connected to each other at the same side, wherein a chute for carrying the needle guide positioner is clamped on the inner side wall of the middle of the inner and outer rings, the aligned side walls of the inner and outer rings are fixedly connected, the straight rod thereof is fixedly connected to the lower connection point, the chute is divided into an aligned semicircular chute by the upper and lower connection points, and the chute penetrates through the side wall of the inner ring; the straight rod is integrally in a threaded rod shape, and planes with the intervals smaller than the small diameter of the threads are arranged on the outer side of the straight rod in an aligned mode; and cushions are fixedly arranged on the inner rings of the inner circular ring and the outer circular ring.

5. The adjustable limb fracture repositor according to claim 4, wherein the central position of the needle guide fixer is provided with a circular hole for bearing the guide needle, the lateral surface and the outer end surface of the needle guide fixer are provided with a locker which is in threaded connection and can respectively screw-lock the guide needle and the needle guide fixer, and the locker on the outer end surface of the needle guide fixer is screwed and locked on the outer side wall of the inner ring through the inner ring.

6. The adjustable limb fracture repositor according to claim 1, wherein the fixed bearing column comprises a bearing rod and a lifting joint arranged on the bearing rod, a cylindrical hole with a plane alignment side surface is arranged in the bearing rod, the straight rod of the annular clamping device is movably connected in the cylindrical hole, and the lifting joint comprises a driving nut rotatably connected to the top end of the bearing column and a locking nut screwed on the straight rod.

7. The adjustable limb fracture repositor according to claim 6, wherein the movable bearing column comprises a left-right rotary joint, a front-back rotary joint and a horizontal rotary joint which are fixedly connected in sequence from bottom to top in a side view, and a bearing rod of the lifting joint is arranged at the top of the movable clamp in the horizontal rotary joint.

8. The adjustable limb fracture repositor according to claim 7, wherein the bottom of the bearing rod of the bearing column is rotatably clamped in the inner cavity of the horizontal rotary joint, the outer wall of the bearing rod is surrounded by the plastic locking sheet of the rotary joint, the exterior of the plastic locking sheet is in threaded connection with the locking knob, the plastic locking sheet is arranged in a plurality of separated circles, the outer end surface of the plastic locking sheet is a threaded end surface inclined towards the inner side, and the inner side wall of the locking knob is an inclined threaded end surface matched with the outer end of the plastic locking sheet.

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