CN211381529U - Distraction pressurizing device - Google Patents

Abstract

The utility model relates to the field of medical instruments for orthopedic surgery, and discloses a distraction pressurizing device which comprises a cross beam, a sliding arm, a rotating arm, a first connecting piece, a second connecting piece, a first sleeve, a second sleeve, a first fixing clamp and a second fixing clamp, the crossbeam is provided with a sliding arm and a rotating arm, the sliding arm is connected with the crossbeam in a sliding way, the rotating arm is connected with the crossbeam in a rotating way, one end of the first connecting piece is hinged with the sliding arm, the other end of the first connecting piece is connected with the first sleeve, one end of the second connecting piece is hinged with the rotating arm, the other end of the second connecting piece is connected with the second sleeve, the first fixing clamp is arranged on the first sleeve, the second fixing clamp is arranged on the second sleeve, and the first fixing clamp and the second fixing clamp are used for fixing the limiting guide rod. The utility model provides a strutting and pressurizing device has the angularly adjustable that struts, has improved the characteristics of pressurization effect.

Description

Distraction pressurizing device

Technical Field

The utility model relates to the field of medical equipment for orthopedic surgery, in particular to a distraction pressurizing device.

Background

In performing bone surgery, tools are often required for auxiliary fixation.

The common ankle injuries in life are ankle joint bone cartilage fracture, degeneration and traumatic arthritis, which can seriously affect the daily life of patients, and in the operations, the ankle bones are usually required to be propped open, free bones and cartilage tissues are removed, microfracture treatment is carried out, sometimes, ankle joint fusion operation is even required, namely, the ankle bones are propped open, and then a fusion device is implanted into an operation between two ankle bones, in the prior common operations, an assistant is matched with a draw hook, a nipper or a pressurizing forceps and is matched with a Kirschner wire for propping open, pressurizing or resetting, and the prior advanced propping open pressurizing device is usually composed of a cross beam, a sliding arm and a fixing arm, wherein the sliding arm can slide on the cross beam, and the fixing arm is fixedly connected to one end of the cross beam.

More advanced pressure device struts among the prior art, though it is with traditional intraoperative assistant cooperation drag hook, prong pincers or add the pressure pincers cooperation ke shi needle strut pressure device and compare, it has convenient operation, strut effectual advantage of pressurization, but its fixed arm is fixed on the crossbeam, can not rotate at the horizontal plane, the adjustment of the angle of strutting in the art of being not convenient for, the guide arm passes through recess or fixed block and sliding arm and fixed arm fixed connection usually moreover, it is relatively poor to add the pressure effect in fixed effect and the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is the current presser that struts can not adjust the technical problem who struts the angle, the pressurization effect is poor to solve.

In order to solve the technical problem, the utility model discloses a distraction pressure device, which comprises a cross beam, a sliding arm, a rotating arm, a first connecting piece, a second connecting piece, a first sleeve, a second sleeve, a first fixing clamp and a second fixing clamp, the crossbeam is provided with a sliding arm and a rotating arm, the sliding arm is connected with the crossbeam in a sliding way, the rotating arm is connected with the crossbeam in a rotating way, one end of the first connecting piece is hinged with the sliding arm, the other end of the first connecting piece is connected with the first sleeve, one end of the second connecting piece is hinged with the rotating arm, the other end of the second connecting piece is connected with the second sleeve, the first fixing clamp is arranged on the first sleeve, the second fixing clamp is arranged on the second sleeve, and the first fixing clamp and the second fixing clamp are used for fixing the limiting guide rod.

Optionally, one end of the cross beam is provided with a rotating shaft, one end of the rotating shaft is connected with the rotating arm, the other end of the rotating shaft is connected with a first locking structure, and the first locking structure is used for locking the rotating angle of the rotating arm.

Optionally, one end of the cross beam is a hollow column, the rotating shaft penetrates through the hollow column and is rotatably connected with the hollow column, and scales are arranged on the outer surface of the hollow column;

and the top of the rotating arm is provided with a mark for indicating the scale.

Optionally, a second locking structure is arranged on the first connecting piece, and a third locking structure is arranged on the second connecting piece.

Optionally, the first connecting piece is fixedly connected with the first sleeve, and the second connecting piece is fixedly connected with the second sleeve.

Optionally, the sleeve is an elbow;

the top of the sleeve is provided with a limiting hole, and the limiting hole is used for enabling the guide rod to penetrate through the sleeve and limiting the guide rod in the first sleeve.

Optionally, one end of the first fixing clip and one end of the second fixing clip are of a groove structure.

Optionally, an adjusting device is disposed on the sliding arm, and the adjusting device is configured to fixedly limit the sliding of the sliding arm.

Optionally, a sawtooth pattern is arranged on the cross beam and used for limiting the position of the sliding arm.

Optionally, the distraction pressurizing device further comprises a guide rod, the guide rod is arranged in the sleeve, and a limiting structure is arranged on the guide rod.

Adopt above-mentioned technical scheme, distraction pressure device have following beneficial effect:

the utility model provides a strutting pressure device has the cursor slide, the rotor arm, sleeve pipe and fixation clamp, in the operation, can finely tune the fixed angle of strutting by adjusting the rotor arm, can improve operation efficiency and convenience, connect the sleeve pipe at the opposite side of cursor slide and rotor arm and fix spacing guide arm again, and then fix spacing guide arm again through the fixation clamp, strengthened the fixed effect, thereby make the intraoperative pressurization effect obviously improve, avoid the guide arm to drop, the dislocation, and the guide arm is arranged in the sleeve pipe, also avoided the external world in the operation to its touching cause the emergence of guide arm dislocation phenomenon;

even there is the connecting piece between fixed arm, rotor arm and the sleeve pipe, has opened the field of vision in the art, and first connecting piece is articulated with the rotor arm, and the second connecting piece is articulated with the rotor arm to the sleeve pipe that drives to correspond can rotate in a direction, conveniently fixes a position and finely tunes in the art.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a distraction pressure device according to embodiment 1 of the present invention;

fig. 2 is a rear view of the expanding and pressurizing device according to embodiment 1 of the present invention;

fig. 3 is an exploded view of a rotating arm according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a guide bar-self-tapping guide bar in embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a guide rod-locking rod according to embodiment 2 of the present invention;

fig. 6 is a schematic structural view of a guide rod-needle guide wire taper rod in embodiment 2 of the present invention.

The following is a supplementary description of the drawings:

1-a cross beam; 2-a sliding arm; 3-a rotating arm; 4-a sleeve; 41-a first sleeve; 42 a second sleeve; 5-a second locking structure; 6-a first connector; 7-a second connector; 8-a first retaining clip; 9-a second retaining clip; 10-an adjustment device; 101-a spring plate; 102-a locking element; 11-a first locking structure; 12-a third locking configuration; 13-a guide bar; 14-a limit structure; 141-a sleeving connection column; 142-a spacing post; 15-limiting holes; 16-hollow column; 17-a rotating shaft; 18-a first end; 19-a second end; 20-a first locking structure spindle; 21-a spring element; 22-third locking structure securing post.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", 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 referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

Example 1:

as shown in fig. 1, the utility model provides a strut pressure device, it includes crossbeam 1, sliding arm 2, rotor arm 3, first connecting piece 6, second connecting piece 7, first sleeve pipe 41, second sleeve pipe 42, first fixation clamp 8 and second fixation clamp 9, be equipped with sliding arm 2 and rotor arm 3 on crossbeam 1, sliding arm 2 and crossbeam 1 sliding connection, sliding arm 2 has a through-hole, crossbeam 1 passes the through-hole of sliding arm 2, this structure can make sliding arm 2 be reciprocating sliding motion relative rotor arm 3 on the crossbeam, in the operation, the distance between first sleeve pipe 41 and the second sleeve pipe 42 is adjusted to accessible sliding arm 2.

As shown in fig. 2, an adjusting device 10 is arranged on the sliding arm 2, the adjusting device 10 is used for fixing the sliding arm 2 on the cross beam 1 and limiting through an elastic sheet 101 on the adjusting device 10, a limiting line is arranged on one surface of the cross beam 1, which is in contact with the elastic sheet, the limiting line is a sawtooth line, and the sawtooth line faces a direction away from the rotating arm 3, so that the elastic sheet 101 can be better limited;

when the adjusting device 10 is in a locked state, one end of the elastic sheet 101 is clamped between the two insections for fixing and limiting the sliding arm 2, and when the operation is completed or the sliding arm 2 needs to be adjusted towards the direction of the rotating arm 3, the adjusting device 10 is opened to enable the sliding arm 2 to reciprocate on the cross beam 1, wherein the adjusting device 10 comprises a locking piece 102, the handle of the locking piece 102 is in a butterfly wing shape, and the locking piece 102 is a switch for opening and locking the adjusting device 10.

One end of the beam 1 is a hollow column 16, a rotating shaft 17 passes through the hollow column 16 and can rotate in the hollow column 16, one end of the rotating shaft 17 is connected with a rotating arm 3, the rotating arm 3 can do rotating motion relative to the beam 1 through the rotating shaft 17, thereby indirectly fine-adjusting the opening angle of the two sleeves 4, avoiding the situation that when the inserting angle has deviation, a guide rod 13 needs to be pulled out for relocation, relieving the pain of a patient, and saving the operation time, as shown in figure 3, the other end of the rotating shaft 17 is connected with a first locking structure 11, the first locking structure comprises a first locking structure rotating shaft 20, the first locking structure rotating shaft 20 is inserted into one end of the first locking structure 11, the first locking structure 11 can rotate along the axis of the first locking structure rotating shaft, the first locking structure 11 is used for locking the rotating angle of the rotating arm 3, the outer surface of the hollow column 16 is provided with scales, the top of the rotating arm 3 is provided with an arrow mark for indicating, this swinging boom uses pivot 3 to be can carrying out 360 rotations in center, and hollow column 16 surface round all is equipped with the scale, when rotatory swinging boom, makes things convenient for the operator to record data better, controls rotation angle.

One end of a first connecting piece 6 is hinged with the sliding arm 2, the other end of the first connecting piece 6 is connected with a first sleeve 42, one end of a second connecting piece 7 is hinged with the rotating arm 3, and the other end of the second connecting piece 7 is connected with the second sleeve 42;

connecting pieces are connected among the fixed arm 2, the rotating arm 3 and the sleeve 4, the field of vision in the operation is widened, the first connecting piece 6 is hinged with the sliding arm 2, so that the first connecting piece 6 can do vertical rotation movement relative to the cross beam 1, the rotation range is 0-90 degrees, the first connecting piece 6 is fixedly connected with the first sleeve 41, namely the first sleeve 41 can also do vertical rotation movement relative to the cross beam, the second connecting piece 7 is hinged with the rotating arm 3, the second connecting piece 7 is fixedly connected with the second sleeve 42, the first connecting piece 6 is connected with the sliding arm 2 in a hinged mode, and the second connecting piece 7 is connected with the rotating arm 3 in a hinged mode, so that two fixed guide rods can be positioned on a required straight line by finely adjusting the positions of the fixed guide rods 13 during the ankle walking operation;

the first connecting piece 6 is provided with a second locking structure 5, the second locking structure 5 is used for locking the rotating angle of the first connecting piece 6 along the axial direction of the vertical cross beam 1, the second connecting piece 7 is provided with a third locking structure 12, the other end of the third locking structure 12 is connected with a third locking structure fixing column 22, the third locking structure 12 is used for locking the rotating angle of the second connecting piece 7 along the axial direction of the vertical cross beam 1, and correspondingly, the second locking structure is the same as the second locking structure and is used for locking the rotating angle of the first connecting piece 6 along the axial direction of the vertical cross beam 1.

A first fixing clamp 8 is arranged on the first sleeve 41, a second fixing clamp 9 and a second sleeve clamp are arranged on the second sleeve 42, a spring part 21 is arranged at the joint of the fixing clamp 9 and the second connecting piece 7, so that the fixing clamp 9 can perform opening and closing movements by taking the second connecting piece 7 as a shaft, the first fixing clamp 8 and the second fixing clamp 9 are used for fixing a limiting guide rod 13, the guide rod 13 penetrates through the sleeve 4, and two ends of the guide rod 13 are exposed out of the sleeve 4;

one end of the guide rod 13 penetrates through the first sleeve 41 and is fixedly connected with the first fixing clamp 8, one end of the first fixing clamp 8 is provided with a groove, the guide rod 13 is arranged in the groove, the fixing clamp fixes the limiting guide rod 13 in the sleeve 4, the groove structure is used for enabling the guide rod 13 to be more convenient to place and take out, and the second fixing clamp 9 and the first fixing clamp 8 have the same structure and effect.

Foretell first sleeve pipe 41 and second sleeve pipe 42 are the return bend, the top of sleeve pipe 4 is equipped with spacing hole 15, spacing hole 15 is used for letting guide arm 13 pass sleeve pipe 4, and with guide arm 13 spacing in sleeve pipe 4, sleeve pipe 4 of design like this can form certain angle with the connecting piece, operator's the field of vision has been enlarged, the operation of more convenient operation, and use sleeve pipe 4 fixed guide arm 13 directly to press from both sides fixedly with the recess with common, sleeve pipe 4 is fixed more convenient, and it is also safer that guide arm 13 is arranged in the sleeve pipe in addition, external collision to the guide arm has been avoided in use and has caused the guide arm to remove, the dislocation.

Example 2:

referring to fig. 1 in combination with fig. 2-4, the present invention provides another distraction pressure device, which is compared with the distraction pressure device of embodiment 1, and further comprises a guide rod 13, wherein the guide rod 13 is mainly used for distracting the ankle bone during the ankle surgery, and it should be noted that the device can be used not only for the ankle surgery but also for the spine surgery.

As shown in fig. 2, the guide rod 13 is a self-tapping guide rod, the guide rod 13 is provided with a limiting structure 14, the limiting structure 14 includes a socket post 141 and a limiting post 142, the socket post 141 is a prism, preferably, the socket post 141 is a hexagonal prism, which facilitates the guide rod to be inserted into the socket and stably clamped with the socket, the limiting post 142 of the guide rod 13 is a cylinder, the diameter of the cylinder is larger than the diameter of the port contacting with the socket 4, the bottom of the socket post 141 is fixedly connected with the top of the limiting post 142, the socket post 141 and the limiting post 142 are coaxial, the straight rod portion of the guide rod 13 passes through the limiting structure 14, the guide rod 13 and the limiting structure 14 are coaxial, the socket post 141 is used for socket with the socket 4, the socket 4 is provided with a structure similar to the socket post 141, so that the limiting structure 14 can be socket into the socket 4 and more stably connected with the socket, the structure of the limiting post 142 restricts the second end 19 of the guide rod 13 from passing through, so as to prevent the guide rod 13 from penetrating through the sleeve 4 when the sleeve connecting column 18 can not be well sleeved;

the first end 18 of the guide rod 13 is provided with a thread, the first end 18 is arranged in a groove of the fixing clamp, the thread enables the guide rod 13 to be firmly connected with the fixing clamp, the second end 19 of the guide rod 13 is of a functional structure, the main difference of different guide rods 13 is that the second end 19 is different, for example, in a foot ankle operation, two ankles need to be propped open, a needle guide screw tap rod shown in fig. 4 is used, and the distance between the two ankle bones is increased by nailing the two needle guide screw tap rods into the two ankles to push the two ankles open; under different operation scenes, the self-tapping guide needle rod shown in the figure 2 or the locking rod shown in the figure 3 can be replaced according to requirements.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. An distraction pressure device, comprising: the device comprises a cross beam (1), a sliding arm (2), a rotating arm (3), a first connecting piece (6), a second connecting piece (7), a first sleeve (41), a second sleeve (42), a first fixing clamp (8) and a second fixing clamp (9);

the cross beam is provided with a sliding arm (2) and a rotating arm (3), the sliding arm (2) is connected with the cross beam (1) in a sliding manner, and the rotating arm (3) is connected with the cross beam (1) in a rotating manner;

one end of the first connecting piece (6) is hinged with the sliding arm (2), and the other end of the first connecting piece (6) is connected with the first sleeve (41);

one end of the second connecting piece (7) is hinged with the rotating arm (3), and the other end of the second connecting piece (7) is connected with the second sleeve (42);

the first fixing clamp (8) is arranged on the first sleeve (41), the second fixing clamp (9) is arranged on the second sleeve (42), and the first fixing clamp (8) and the second fixing clamp (9) are used for fixing the limiting guide rod (13).

2. The distraction pressurization device of claim 1, wherein: the one end of crossbeam (1) is equipped with pivot (17), the one end of pivot (17) with rotor arm (3) are connected, the other end and the first locking structure (11) of pivot (17) are connected, first locking structure (11) are used for locking rotor arm (3) pivoted angle.

3. The distraction pressurization device of claim 2, wherein: one end of the cross beam (1) is a hollow column (16), the rotating shaft (17) penetrates through the hollow column (16) and is rotatably connected with the hollow column (16), and scales are arranged on the outer surface of the hollow column (16);

and marks for indicating the scales are arranged at the top of the rotating arm (3).

4. The distraction pressurization device of claim 1, wherein: and a second locking structure (5) is arranged on the first connecting piece (6), and a third locking structure (12) is arranged on the second connecting piece (7).

5. The distraction pressurization device of claim 1, wherein: the first connecting piece (6) is fixedly connected with the first sleeve (41), and the second connecting piece (7) is fixedly connected with the second sleeve (42).

6. The distraction pressurization device of claim 1, wherein: the sleeve (4) is a bent pipe;

the top of the sleeve (4) is provided with a limiting hole (15), and the limiting hole (15) is used for enabling the guide rod (13) to penetrate through the sleeve (4) and limiting the guide rod (13) in the first sleeve (41).

7. The distraction pressurization device of claim 1, wherein: one end of the first fixing clamp (8) and one end of the second fixing clamp (9) are of groove structures.

8. The distraction pressurization device of claim 1, wherein: the adjusting device (10) is arranged on the sliding arm (2), and the adjusting device (10) is used for fixedly limiting the sliding of the sliding arm (2).

9. The distraction pressurization device of claim 1, wherein: the cross beam (1) is provided with limiting lines, and the limiting lines are used for limiting the position of the sliding arm (2).

10. The distraction pressurization device of claim 1, wherein: the guide rod (13) is arranged in the sleeve (4), and a limiting structure (14) is arranged on the guide rod (13).

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