CN214049035U

CN214049035U - Three-dimensional reductor for fracture

Info

Publication number: CN214049035U
Application number: CN202022683987.5U
Authority: CN
Inventors: 王秋霞; 李鹏; 孙亚丽
Original assignee: Henan Keke Biotechnology Co ltd
Current assignee: Henan Keke Biotechnology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-27
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a three-dimensional restorer of fracture, including skeleton dislocation adjustment mechanism, universal regulation structure, lead screw, skeleton dislocation adjustment mechanism passes through the lead screw with universal regulation structure and is connected, skeleton dislocation adjustment mechanism includes dead lever, locking bolt, cross-connection head, the fixed cross-connection head that is provided with on the dead lever, the lead screw runs through the cross-connection head to by locking bolt fastening. When the three-dimensional restorer of the utility model is used for fracture surgery, the two broken bones are respectively fixed, convenient and fast. The bone dislocation adjusting mechanism is adjusted to move left and right along the screw rod, the bone is adjusted to be vertically and horizontally dislocated in the left and right moving process, fine adjustment is carried out through the universal adjusting structure, and the ideal position can be adjusted more accurately.

Description

Three-dimensional reductor for fracture

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to three-dimensional restorer of fracture.

Background

The fracture reduction fixator is an orthopedic surgical instrument, can be widely applied to the operation of comminuted fracture and old fracture of upper and lower limbs, and has the characteristics of short operation time, labor saving, accurate and stable positioning and the like. However, the common repositors on the market can only be used for distraction reduction at two ends of a fractured bone, as shown in fig. 1, a and b are coaxial c, and for a fracture patient, the fracture position is often uncertain, and a and b are also in different axes, that is, as shown in fig. 2, a and b not only have a certain gap in the axial direction but also have a certain section fall in the radial direction, and at present, the fall is eliminated by manual reduction and is reset to the position of fig. 1, and then the distraction repositor is used, so that the stability of the manual reduction is poor and uncontrollable, and therefore, a repositor which can be distracted in the axial directions of a and b and can be distracted in the radial directions of a and b is necessary to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a three-dimensional restorer of fracture to solve the problem that exists among the prior art.

For solving the problem that exists among the prior art, the utility model discloses a following technical scheme:

the utility model provides a three-dimensional restorer of fracture, includes skeleton dislocation adjustment mechanism, universal regulation structure, lead screw, skeleton dislocation adjustment mechanism passes through the lead screw with universal regulation structure and is connected, skeleton dislocation adjustment mechanism includes dead lever, locking bolt, four-way connection head, the fixed four-way connection head that is provided with on the dead lever, the lead screw runs through the four-way connection head to it is fixed by locking bolt.

Furthermore, the universal adjusting structure comprises a ball head, a locking nut I, a fastening screw sleeve, a universal ball socket, a locking nut II and a grooved screw rod, wherein one end of the screw rod is fixedly arranged on the ball head; one end of the fastening screw sleeve is provided with a concave part corresponding to the universal ball socket, and the other end of the fastening screw sleeve is abutted to the first locking nut; the universal ball socket comprises a ball socket part and a cylinder body, and the ball head is positioned in the universal ball socket; an internal thread is arranged in the cylinder body, an external thread matched with the internal thread is arranged at one end of the screw rod with the groove, a hook part used for hooking the spicule is arranged at the other end of the screw rod with the groove,

furthermore, the universal adjusting structure further comprises a hook part locking mechanism, wherein the hook part locking mechanism comprises a second locking nut installed on the threaded rod with the groove, is located between the hook part and the barrel and is used for locking the spicule hooked by the hook part.

Furthermore, an anti-skid gasket is arranged between the locking bolt and the four-way connector.

Furthermore, the locking bolts are symmetrically arranged on two sides of the four-way connector, and a plane for preventing the locking bolts from sliding is washed on the screw rod.

When the three-dimensional restorer of the utility model is used for fracture surgery, the two broken bones are respectively fixed, convenient and fast. The bone dislocation adjusting mechanism is adjusted to move left and right along the screw rod, the bone is adjusted to be dislocated up and down and left and right in the left and right process, fine adjustment is carried out through the universal adjusting structure, and the ideal position can be adjusted more accurately.

Drawings

FIG. 1 is a schematic view of a fracture;

FIG. 2 is a schematic view of another fracture configuration;

fig. 3 is a schematic structural diagram of the present invention;

FIG. 4 is a schematic structural view of the screw and the ball head in FIG. 1;

FIG. 5 is a schematic structural diagram of the fixing rod and the four-way connector in FIG. 1;

FIG. 6 is a schematic view of the grooved screw and hook of FIG. 1;

FIG. 7 is a schematic view of the ball and socket portion and barrel of FIG. 1;

in the figure, the device comprises a fixing rod 1, a fixing rod 2, a gasket 3, a locking bolt 4, a screw rod 5, a ball head 6, a locking nut I, a locking screw sleeve 7, a fastening screw sleeve 7-1, a ball socket part 7-2, a cylinder 8, a universal ball socket 9, a fastening pin 10, a locking nut II, a locking nut 11, a threaded rod with a groove 12, a four-way connector 13 and a hook part.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 2-7, a three-dimensional restorer of fracture, includes skeleton dislocation adjustment mechanism, universal regulation structure, lead screw 4, skeleton dislocation adjustment mechanism passes through lead screw 4 with universal regulation structure and is connected, skeleton dislocation adjustment mechanism includes dead lever 1, locking bolt 3, four-way connection head 12, the fixed four-way connection head 12 that is provided with on the dead lever 1, lead screw 4 runs through four-way connection head 12 to it is fixed by locking bolt 3.

The universal adjusting structure comprises a ball head 5, a first locking nut 6, a fastening threaded sleeve 7, a universal ball socket 8, a second locking nut 10 and a threaded rod 11 with a groove, wherein one end of a screw rod 4 is fixedly arranged on the ball head 5, the first locking nut 6 and the fastening threaded sleeve 7 are sequentially sleeved on the ball head 5, the ball head 5 is in sliding connection with the universal ball socket 8, fastening pin holes 9 are respectively formed in the universal ball socket 8 and the threaded rod 11 with the groove, and the universal ball socket 8 and the threaded rod 11 with the groove are fixed through the fastening pins 9; one end of the fastening screw sleeve 7 is provided with a concave part corresponding to the universal ball socket 8, and the other end of the fastening screw sleeve abuts against the first locking nut 6; the universal ball socket 8 comprises a ball socket part 7-1 and a cylinder body 7-2, and the ball head 5 is positioned in the universal ball socket 8; an internal thread is arranged in the cylinder body 7-2, an external thread matched with the internal thread is arranged at one end of the screw rod 11 with the groove, a hook part 13 for hooking the spicule is arranged at the other end,

the universal adjusting structure further comprises a hook part 13 locking mechanism, the hook part 13 locking mechanism comprises a second locking nut 10 arranged on the threaded rod 11 with the groove, is positioned between the hook part 13 and the barrel body 7-2 and is used for locking a spicule hooked by the hook part 13.

And an anti-skid gasket 2 is arranged between the locking bolt 3 and the four-way connector 12.

The locking bolts 3 are symmetrically arranged on two sides of the four-way connector 12, and the screw rod 4 is washed with a plane for preventing the locking bolts 3 from sliding.

The utility model discloses the problem in solution picture 2 that can be fine, the a end (low end promptly) is hooked to the trough of belt screw rod, then screw up lock nut two, make it fixed, the dead lever is fixed with b end spicule through the excellent needle clamp splice, four-way connection head 12, the three forms stable triangle and fixes, rotatory lead screw drives a end spicule, and then for a power of oblique ascending of spicule a end, make an be close to b both ends fracture department, then fine setting universal adjustment mechanism's lock nut one, make an, b is in on the same axis. The advantage of this device lies in, does not need excessive artifical supplementary messenger to reach like the state of fig. 1 before the operation, has reduced medical personnel's work load, simultaneously, the utility model discloses the error is less, and stability is good, and micromatic setting has reduced the error of operation, makes a, b perfect adaptation.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a three-dimensional restorer of fracture, its characterized in that, includes skeleton dislocation adjustment mechanism, universal regulation structure, lead screw, skeleton dislocation adjustment mechanism passes through the lead screw with universal regulation structure and is connected, skeleton dislocation adjustment mechanism includes dead lever, locking bolt, four-way connection head, the fixed four-way connection head that is provided with on the dead lever, the lead screw runs through the four-way connection head to it is fixed by locking bolt.

2. The three-dimensional fracture repositor according to claim 1, wherein the universal adjusting structure comprises a ball head, a first locking nut, a fastening threaded sleeve, a universal ball socket, a second locking nut and a threaded rod with grooves, the ball head is fixedly arranged at one end of the lead screw, the first locking nut and the fastening threaded sleeve are sequentially sleeved on the ball head, the ball head is slidably connected with the universal ball socket, fastening pin holes are respectively arranged on the universal ball socket and the threaded rod with grooves, and the universal ball socket and the threaded rod with grooves are fixed through the fastening pins; one end of the fastening screw sleeve is provided with a concave part corresponding to the universal ball socket, and the other end of the fastening screw sleeve is abutted to the first locking nut; the universal ball socket comprises a ball socket part and a cylinder body, and the ball head is positioned in the universal ball socket; an internal thread is arranged in the barrel, an external thread matched with the internal thread is arranged at one end of the screw rod with the groove, and a hook part used for hooking the spicule is arranged at the other end of the screw rod with the groove.

3. The three-dimensional fracture repositor according to claim 2, wherein said universal adjustment structure further comprises a hook locking mechanism, said hook locking mechanism comprising a second locking nut mounted on a threaded rod with a groove and located between the hook and the barrel for locking the spicule hooked by the hook.

4. The three-dimensional fracture repositor according to claim 3, wherein an anti-slip gasket is installed between the locking bolt and the four-way connector.

5. The three-dimensional fracture restorer according to any one of claims 1 to 4, wherein the locking bolts are symmetrically arranged on two sides of the four-way connector, and a plane for preventing the locking bolts from sliding is milled on the screw rod.