CN211911783U

CN211911783U - Eccentric sighting device for joint orthopedic surgery

Info

Publication number: CN211911783U
Application number: CN201820564417.4U
Authority: CN
Inventors: 王洪宁
Original assignee: Wu Baifang
Current assignee: Wu Baifang
Priority date: 2018-04-19
Filing date: 2018-04-19
Publication date: 2020-11-13
Anticipated expiration: 2028-04-19

Abstract

The utility model relates to the technical field of medical equipment, in particular to an eccentric sighting device for joint orthopedic surgery, which comprises a support rod and an aiming ring, wherein the side wall of the support rod is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the support rod, is fixedly connected with a fixing button, the rotating shaft is movably connected with a support seat, the support seat is provided with a threaded hole, the inner wall of the threaded hole is provided with a screw, the base surface of the support seat is fixedly connected with a rotating block, the side wall of the rotating block is fixedly connected with a crank, one end of the crank, which is far away from the rotating block, is fixedly connected with a fixing; two bar holes have been seted up to the aiming ring symmetry, and two movable blocks have been cup jointed to the outer wall symmetry of aiming ring, and two through-holes have been seted up at the top of two movable blocks. The utility model discloses a rotatory solid fixed ring's one end fixed connection can adjust rotation angle in the aiming ring is kept away from to the rotation axis for the apparatus is more practical, and is convenient.

Description

Eccentric sighting device for joint orthopedic surgery

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an eccentric sight is used in joint bone surgery.

Background

Today, due to the advantages of the minimally invasive surgery, the minimally invasive surgery is more and more paid attention and favored by people. In the aspect of internal fixation of fracture, people have higher and higher requirements on internal fixation of fracture, at present, most hospitals with smaller trauma such as internal fixation of percutaneous interlocking intramedullary nails and internal fixation of percutaneous locking and pressurizing bone plates can already develop, in fact, the internal fixation of percutaneous interlocking intramedullary nails and internal fixation of percutaneous locking and pressurizing bone plates can be widely developed, and the aiming device plays an irreplaceable role, but because the aiming device is a matched device, the aiming device loses the significance if the aiming device leaves the interlocking nails and the bone plates. In real life, for long-bevel fractures or metaphysis simple fractures which only need to be fixed in screws or kirschner wires, operations can be simplified and minimally invasive as well as complex comminuted fractures with the help of aiming equipment, and the injuries caused by blind drilling can be reduced and the operation difficulty is reduced with the help of the aiming equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an eccentric sighting device for joint orthopedic surgery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an eccentric sighting device for joint orthopedic surgery comprises a supporting rod and an aiming ring, wherein a rotating shaft is fixedly connected to the side wall of the supporting rod, a fixing button is fixedly connected to one end, away from the supporting rod, of the rotating shaft, a supporting seat is movably connected to the rotating shaft, a first threaded hole is formed in the supporting seat, a screw is arranged on the inner wall of the first threaded hole, a rotating block is fixedly connected to the base surface of the supporting seat, a crank is fixedly connected to the side wall of the rotating block, a fixing ring is fixedly connected to one end, away from the rotating block, of the crank, a first through hole is formed in the fixing ring, a fixing needle is fixedly connected to the inner wall of the first through hole, the end of the supporting rod rotates the;

the sighting device comprises a sighting ring, two moving blocks, two second through holes and two sighting pins, wherein the sighting ring is symmetrically provided with two strip-shaped holes, the outer wall of the sighting ring is symmetrically sleeved with the two moving blocks, the tops of the two moving blocks are provided with the two second through holes, and the two sighting pins are fixedly connected inside the two second through holes.

Preferably, the screw passes through the rotation block.

Preferably, one end of the rotating shaft, which is far away from the rotating fixing ring, is fixedly connected with the aiming ring. Preferably, two aiming pins pass through two strip-shaped holes.

Preferably, two second threaded holes are formed in the side walls of the two moving blocks, and two fixing screws are arranged inside the two second threaded holes.

Preferably, the sighting device is made of a titanium alloy material. Compared with the prior art, the beneficial effects of the utility model are that:

1. the rotation angle can be adjusted by passing the screw through the rotation block, and the use is convenient and quick.

2. Keep away from the one end fixed connection in the sighting ring of rotatory solid fixed ring through the rotation axis, can adjust rotation angle for the apparatus is more practical, and is convenient.

3. Two aiming needles can freely move and be fixed after passing through the two strip-shaped holes.

The utility model discloses in, the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses with adjusting rotation angle, convenient to use, swift.

Drawings

Fig. 1 is a schematic structural diagram of an eccentric sight for joint orthopedic surgery according to the present invention;

fig. 2 is a schematic structural diagram of a portion of the eccentric sight for joint orthopedic surgery according to the present invention.

In the figure: the device comprises a support rod 1, an aiming ring 2, a rotating shaft 3, a supporting seat 4, a first threaded hole 5, a screw 6, a rotating block 7, a crank 8, a fixing ring 9, a first through hole 10, a fixing pin 11, a rotating fixing ring 12, a rotating shaft 13, a strip-shaped hole 14, a moving block 15, a second through hole 16, an aiming pin 17, a second threaded hole 18, a fixing button 19 and a fixing screw 20.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an eccentric aiming device for joint orthopedic surgery comprises a support rod 1 and an aiming ring 2, the side wall of the support rod 1 is fixedly connected with a rotating shaft 3, one end of the rotating shaft 3 far away from the support rod 1 is fixedly connected with a fixing button 19, a support seat 4 is movably connected with the rotating shaft 3, a first threaded hole 5 is formed in the support seat 4, a screw 6 is arranged on the inner wall of the first threaded hole 5, the base surface of the supporting seat 4 is fixedly connected with a rotating block 7, the side wall of the rotating block 7 is fixedly connected with a crank 8, one end of the crank 8 far away from the rotating block 7 is fixedly connected with a fixed ring 9, the fixed ring 9 is provided with a first through hole 10, a fixing needle 11 is fixedly connected to the inner wall of the first through hole 10, a fixing ring 12 is rotated at the end of the support rod 1, and a rotating shaft 13 is connected to one end, far away from the support rod 1, of the fixing ring 12; two strip-shaped holes 14 are symmetrically formed in the aiming ring 2, two moving blocks 15 are symmetrically sleeved on the outer wall of the aiming ring 2 in a sleeved mode, two second through holes 16 are formed in the tops of the two moving blocks 15, and two aiming needles 17 are fixedly connected inside the two second through holes 16.

The screw 6 passes through the rotating block 7, so that the rotating angle can be adjusted, and the use is convenient and quick. One end of the rotating shaft 13, far away from the rotating fixing ring 12, is fixedly connected to the aiming ring 2, and the rotating angle can be adjusted, so that the instrument is more practical and convenient.

The two aiming pins 17 pass through the two strip-shaped holes 14 and can be freely moved and fixed. Two second threaded holes 18 are formed in the side walls of the two moving blocks 15, and two fixing screws 20 are arranged inside the two second threaded holes 18. The aiming device is preferably made of a titanium alloy material. The utility model discloses a working process does: in the actual working process, the screw 6 penetrates through the rotating block 7, so that the rotating angle can be adjusted, and the use is convenient and quick; one end of the rotating shaft 13, which is far away from the rotating fixing ring 12, is fixedly connected to the aiming ring 2, so that the rotating angle can be adjusted, and the instrument is more practical and convenient; the two aiming pins 17 can be freely moved and fixed through the two strip-shaped holes 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The eccentric sighting device for the joint orthopedic surgery comprises a supporting rod (1) and an aiming ring (2) and is characterized in that a rotating shaft (3) is fixedly connected to the side wall of the supporting rod (1), a fixing button (19) is fixedly connected to one end, far away from the supporting rod (1), of the rotating shaft (3), a supporting seat (4) is movably connected to the rotating shaft (3), a first threaded hole (5) is formed in the supporting seat (4), a screw (6) is arranged on the inner wall of the first threaded hole (5), a rotating block (7) is fixedly connected to the base surface of the supporting seat (4), a crank (8) is fixedly connected to the side wall of the rotating block (7), a fixing ring (9) is fixedly connected to one end, far away from the rotating block (7), of the crank (8), a first through hole (10) is formed in the fixing ring (9), and a fixing needle (11) is fixedly connected to, the end part of the support rod (1) is connected with a rotary fixing ring (12), and one end, far away from the support rod (1), of the rotary fixing ring (12) is connected with a rotating shaft (13);

two strip-shaped holes (14) are symmetrically formed in the aiming ring (2), two moving blocks (15) are symmetrically sleeved on the outer wall of the aiming ring (2), two second through holes (16) are formed in the tops of the two moving blocks (15), and two aiming needles (17) are fixedly connected to the inner portions of the two second through holes (16).

2. Eccentric aimer for articular orthopaedic surgery according to claim 1, characterized in that said screw (6) passes through the rotation block (7).

3. Eccentric aimer for joint orthopaedic surgery according to claim 1, characterised in that the end of the rotation shaft (13) remote from the rotation fixation ring (12) is fixedly connected to the aiming ring (2).

4. The eccentric sight for articular bone surgery according to claim 1, characterized in that two of said aiming pins (17) pass through two of said slotted holes (14).

5. The eccentric aiming device for the articular bone surgery according to the claim 1, characterized in that the side walls of the two moving blocks (15) are respectively provided with two second threaded holes (18), and two fixing screws (20) are respectively arranged inside the two second threaded holes (18).

6. The eccentric aimer for joint orthopedic surgery according to claim 1, wherein the aimer is made of titanium alloy.