CN214632217U

CN214632217U - Unilateral spreader for spinal surgery

Info

Publication number: CN214632217U
Application number: CN202022749705.7U
Authority: CN
Inventors: 杨波; 游天宇; 李化旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-11-09
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a unilateral spreader that backbone operation was used, the connecting plate comprises a connecting plate, two sets of connecting blocks of connecting plate front end left part fixedly connected with, and the first fixing device of the common fixedly connected with of two sets of connecting block front ends, two sets of guide rails of connecting plate front end right part fixedly connected with, and the equal sliding connection in two sets of guide rail front end right parts has the slider, the common fixedly connected with second fixing device of slider front end, connecting plate front end right part fixedly connected with struts the mechanism, it is located between two sets of guide rails to strut the mechanism, strut mechanism front end right part and second fixing device rear end middle part fixed connection together, the anterior fixedly connected with dead lever of first fixing device right-hand member. A unilateral spreader that spinal surgery used, through setting up guide rail, slider and dead lever, make second fixing device more stable when removing to the effect of strutting of device has been improved.

Description

Unilateral spreader for spinal surgery

Technical Field

The utility model relates to the field of medical equipment, in particular to unilateral spreader for spinal surgery.

Background

Minimally invasive spinal surgery techniques mean that large incisions are avoided at some medical risk, tiny incisions or puncture channels are employed, special instruments and devices are employed, under the monitoring of imaging instruments or under the guidance of navigation technology, the normal anatomical structures reach the lesion sites, various miniature manual or electric instruments and equipment are used, the whole operation process is completed under the visual condition, so as to achieve the aims of smaller incision, less tissue wound, less bleeding, high operation accuracy, definite effect and quick postoperative function recovery compared with the traditional or standard spinal operation, however, in the prior art, 1, the existing distractor used for the spine operation is unstable during distraction, therefore, the operation is inconvenient, and 2, the existing device is inconvenient to adjust through the position of the patient needing the operation, so that the device has limitation, and therefore, a novel unilateral distractor for the spinal surgery is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a unilateral spreader for spinal surgery, which can effectively solve the problems in the background art.

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

the utility model provides a unilateral spreader that spinal surgery used, includes the connecting plate, two sets of connecting blocks of connecting plate front end left part fixedly connected with, and the first fixing device of the common fixedly connected with of two sets of connecting block front ends, two sets of guide rails of connecting plate front end right part fixedly connected with, and the equal sliding connection in two sets of guide rail front end right parts has the slider, the common fixedly connected with second fixing device of slider front end, the mechanism is strutted to connecting plate front end right part fixedly connected with, it is located between two sets of guide rails to strut the mechanism, strut mechanism front end right part and second fixing device rear end middle part fixed connection together, the anterior fixedly connected with dead lever of first fixing device right-hand member.

Preferably, the first fixing device comprises a supporting rod, a supporting block is fixedly connected to the rear portion of the lower end of the supporting rod, a fixing block is fixedly connected to the front portion of the lower end of the supporting rod, a positioning mechanism is fixedly connected between the fixing block and the supporting block together, and one side surface of the supporting block is connected with the two groups of connecting blocks together.

Preferably, the positioning mechanism comprises a sliding block, a connecting groove is formed in the middle of the upper end of the sliding block, a connecting rod is movably and alternately connected in the connecting groove, a positioning rod is fixedly and alternately connected to the upper portion of the right end of the sliding block, a fixing plate is fixedly connected to the lower end of the sliding block, a penetrating slot is formed in the right portion of the upper end of the fixing plate, and the connecting rod is fixedly connected with the fixing block and the supporting block.

Preferably, the opening mechanism comprises a movable block, a screw rod is connected to the middle of the right end of the movable block in a penetrating manner, a positioning block is movably and alternately connected to the left end of the screw rod and the outer surface of the right end of the screw rod, a hand wheel is fixedly connected to the right end of the screw rod, and the positioning block is fixedly connected with the connecting plate.

Preferably, the first fixing device and the second fixing device are consistent in structure and are connected in the same manner.

Preferably, the outer surface of the right part of the fixing rod is connected with the second fixing device in a sliding mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model

1. The hand wheel is rotated to drive the screw rod to rotate between the two groups of positioning blocks, the movable block slides rightwards on the outer surface of the screw rod, the second fixing device moves rightwards, the two groups of sliding blocks respectively slide on the two groups of guide rails, and the second fixing device is more stable in moving by arranging the fixing rods, so that the distance between the two groups of rod pressing pipelines can be stably adjusted, the spine can be further expanded, and the stability of the device is improved;

2. through not hard up locating lever, make the sliding block can remove at the connecting rod surface, through the position removal sliding block of performing the operation as required, make the fixed plate remove to suitable position, through alternate respectively to alternate the inslot with two sets of pressure stick pipelines to implant respectively to two sets of adjacent spines through medical nail with two sets of pressure stick pipelines in, thereby make the device be convenient for adjust, improved the practicality of device.

Drawings

FIG. 1 is a schematic view of the whole structure of a unilateral distractor for spinal surgery according to the present invention;

FIG. 2 is a schematic view of the overall structure of the first fixing device of the unilateral distractor for spinal surgery of the present invention;

FIG. 3 is a schematic view of the whole structure of the positioning mechanism of the unilateral distractor for spinal surgery of the present invention;

fig. 4 is a schematic view of the whole structure of the distracting mechanism of the unilateral distracter for spinal surgery of the present invention.

In the figure: 1. a connecting plate; 2. connecting blocks; 3. a first fixing device; 4. a guide rail; 5. a slider; 6. A second fixing device; 7. a distraction mechanism; 8. fixing the rod; 31. a support bar; 32. a support block; 33. a fixed block; 34. a positioning mechanism; 41. a slider; 42. connecting grooves; 43. a connecting rod; 44. positioning a rod; 45. a fixing plate; 46. inserting the slot; 71. a movable block; 72. a screw; 73. positioning blocks; 74. a handwheel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a unilateral spreader for spinal surgery comprises a connecting plate 1, two groups of connecting blocks 2 fixedly connected to the left part of the front end of the connecting plate 1, a first fixing device 3 fixedly connected to the front ends of the two groups of connecting blocks 2, two groups of guide rails 4 fixedly connected to the right part of the front end of the connecting plate 1, a sliding block 5 slidably connected to the right part of the front ends of the two groups of guide rails 4, a second fixing device 6 fixedly connected to the front end of the sliding block 5, a spreading mechanism 7 fixedly connected to the right part of the front end of the connecting plate 1, the spreading mechanism 7 is located between the two groups of guide rails 4, the right part of the front end of the spreading mechanism 7 is fixedly connected to the middle part of the rear end of the second fixing device 6, and a fixing rod 8 fixedly connected to the front part of the right end of the first fixing device 3.

The first fixing device 3 comprises a support rod 31, a support block 32 is fixedly connected to the rear part of the lower end of the support rod 31, a fixing block 33 is fixedly connected to the front part of the lower end of the support rod 31, a positioning mechanism 34 is fixedly connected between the fixing block 33 and the support block 32 together, and one side surface of the support block 32 is connected with the two groups of connecting blocks 2; the positioning mechanism 34 comprises a sliding block 41, a connecting groove 42 is formed in the middle of the upper end of the sliding block 41, a connecting rod 43 is movably connected in the connecting groove 42 in an inserting manner, a positioning rod 44 is fixedly connected to the upper portion of the right end of the sliding block 41 in an inserting manner, the sliding block 41 can be conveniently fixed on the outer surface of the connecting rod 43 by arranging the positioning rod 44, a fixing plate 45 is fixedly connected to the lower end of the sliding block 41, a penetrating slot 46 is formed in the right portion of the upper end of the fixing plate 45, a pressing rod pipeline can be conveniently fixed by arranging the penetrating slot 46, and the connecting rod 43 is fixedly connected with the fixing block 33 and the supporting block 32; the opening mechanism 7 comprises a movable block 71, the movable block 71 is fixed with the second fixing device 6 through the movable block 71, so that the movable block 71 drives the second fixing device 6 to move when moving, a screw 72 is connected in the middle of the right end of the movable block 71 in a penetrating manner, positioning blocks 73 are movably connected on the outer surfaces of the left end and the right end of the screw 72 in a penetrating manner, the screw 72 is stably rotated through the positioning blocks 73, a hand wheel 74 is fixedly connected at the right end of the screw 72, the rotation of the screw 72 is facilitated through the hand wheel 74, and the positioning blocks 73 are fixedly connected with the connecting plate 1; the first fixing device 3 and the second fixing device 6 have the same structure and the same connection mode; the right outer surface of the fixing rod 8 is slidably coupled to the second fixing means 6, thereby stably moving the second fixing means 6.

It should be noted that the present invention relates to a unilateral distracter for spinal surgery, which can move the sliding block 41 on the outer surface of the connecting rod 43 by loosening the positioning rod 44, move the sliding block 41 according to the position to be operated, move the fixing plate 45 fixedly connected with the sliding block 41 to a proper position, respectively insert two sets of pressure rod pipes into the insertion groove 46, respectively insert two sets of pressure rod pipes into two sets of adjacent spinal columns by medical nails, respectively, rotate the hand wheel 74, so that the hand wheel 74 drives the screw 72 fixedly connected with the hand wheel 74 to rotate between two sets of positioning blocks 73, by the rotation of the screw 72, the movable block 71 inserted and connected with the screw 72 slides rightwards on the outer surface of the screw 72, so that the second fixing device 6 fixedly connected with the movable block 71 moves rightwards, and the two sets of sliding blocks 5 fixedly connected with the second fixing device 6 respectively slide on the two sets of guide rails 4, thereby make the excellent pipeline of pressure with second fixing device 6 fixed connection remove to through setting up dead lever 8, make second fixing device 6 more stable when removing, just so can adjust the distance between two sets of excellent pipelines of pressure, and then just can strut the backbone.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A unilateral distractor that spinal surgery used, includes connecting plate (1), its characterized in that: the utility model discloses a supporting mechanism for fixing a vehicle, including connecting plate (1), two sets of connecting blocks (2) of front end left part fixedly connected with, and the first fixing device (3) of the common fixedly connected with of two sets of connecting blocks (2) front end, two sets of guide rails (4) of connecting plate (1) front end right part fixedly connected with, and the equal sliding connection in two sets of guide rails (4) front end right part has slider (5), the common fixedly connected with second fixing device (6) of slider (5) front end, connecting plate (1) front end right part fixedly connected with struts mechanism (7), strut mechanism (7) and be located between two sets of guide rails (4), strut mechanism (7) front end right part and second fixing device (6) rear end middle part fixed connection together, the anterior fixedly connected with dead lever (8) of first fixing device (3) right-hand member.

2. The unilateral distractor of claim 1, wherein: the first fixing device (3) comprises a supporting rod (31), a supporting block (32) is fixedly connected to the rear portion of the lower end of the supporting rod (31), a fixing block (33) is fixedly connected to the front portion of the lower end of the supporting rod (31), a positioning mechanism (34) is fixedly connected between the fixing block (33) and the supporting block (32) together, and one side surface of the supporting block (32) is connected with the two groups of connecting blocks (2) together.

3. The unilateral distractor of claim 2, wherein: positioning mechanism (34) includes sliding block (41), sliding block (41) upper end middle part is opened has connecting groove (42), the activity interlude is connected with connecting rod (43) in connecting groove (42), the fixed interlude in sliding block (41) right-hand member upper portion is connected with locating lever (44), sliding block (41) lower extreme fixedly connected with fixed plate (45), fixed plate (45) upper end right part is opened and is worn slot (46), connecting rod (43) are in the same place with fixed block (33) and supporting shoe (32) fixed connection.

4. The unilateral distractor of claim 1, wherein: strutting mechanism (7) including movable block (71), movable block (71) right-hand member middle part through connection has screw rod (72), screw rod (72) left end and right part surface equal activity interlude are connected with locating piece (73), screw rod (72) right-hand member fixedly connected with hand wheel (74), locating piece (73) all are in the same place with connecting plate (1) fixed connection.

5. The unilateral distractor of claim 1, wherein: the first fixing device (3) and the second fixing device (6) are consistent in structure and are connected in the same mode.

6. The unilateral distractor of claim 1, wherein: the outer surface of the right part of the fixing rod (8) is connected with the second fixing device (6) in a sliding mode.