Device for fixing non-occlusal lower jaw during implant surgery

Abstract

The utility model relates to the technical field of lower jaw fixing devices, in particular to a device for fixing an occlusal-free lower jaw during an implant surgery, which comprises a support plate, a first soft cushion arranged at the top end of the support plate, two movable blocks arranged at the top end of the support plate, and a bidirectional threaded rod rotatably connected inside the support plate, the side face of the bidirectional threaded rod is in threaded connection with the interiors of two movable blocks respectively, the top ends of the two movable blocks are fixedly provided with supporting rods, and the top ends of the side faces of the two supporting rods are fixedly provided with fixing rings. Meanwhile, the distance between the two baffles and the horizontal angle of the two baffles can be conveniently adjusted, so that the baffles can be attached to the lower jaws with different widths and shapes, the application range of the device is widened, the probability that the lower jaws of the patient shake is reduced, the operation precision is conveniently improved, and the planting effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mandible fixing device technical field especially, relates to a device for fixing edentulous mandible during implantation operation. BACKGROUND

[0002] The mandible of edentulous patient often unconsciously shakes during operation, when using oral implantation dynamic navigation system, the relative position and axial direction of implantation drill needle and implantation site change, thus the operation of doctor is difficult, therefore, mandible fixing device is needed to support the mandible of patient and reduce the probability of mandible shaking.

[0003] The existing mandible fixing device usually comprises adjusting device and mandible support plate, the adjusting device comprises a plurality of connecting rods, the connecting rods are rotatably connected with each other, the top connecting rod is fixedly connected with the mandible support plate, the height and direction of the mandible support plate can be adjusted by rotating the connecting rods, so that the mandible support plate can be attached to the mandible of patient and the probability of mandible movement of patient is reduced.

[0004] However, in the implementation of the related technology, it is found that the device for fixing edentulous mandible in the above-mentioned oral implantation navigation system has the following problems: the existing mandible support device supports the mandible of patient through the mandible support plate, but the limiting effect on both sides of the mandible of patient is weak, so that the mandible of patient is easy to shake left and right, the stability of mandible fixation is reduced, the operation precision is reduced, and thus the implantation effect is reduced, therefore, a device for fixing edentulous mandible during implantation operation is provided to overcome the above-mentioned defects. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the defects in the prior art and provides a device for fixing edentulous mandible during implantation operation.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a device for fixing edentulous mandible during planting operation, including support plate, the top of support plate is equipped with first soft pad, the top of support plate is equipped with two movable block, the inside rotation of support plate is connected with two -way screw rod, the side of two -way screw rod is respectively with the inside screw of two movable blocks and is connected, the top of two movable blocks is all fixed with support rod, the top of both sides of two support rods is all fixed with fixed ring, the inside of two fixed rings all is equipped with limit shaft, the side of two limit rings all is fixed with baffle, one side of two baffles all is fixed with second soft pad, the bottom of support plate is fixed with first connecting rod, the side of first connecting rod is hinged with first fixed link, the bottom rotation of first fixed link is connected with rotating rod, the bottom of rotating rod is fixed with second fixed link, the inside hinged of second fixed link has second connecting rod, the bottom of second connecting rod is equipped with mounting plate.

[0007] As further description of the above technical solution: the top of support plate is equipped with movable slot, the inside of movable slot is respectively with the side of two movable blocks and is connected, support plate is convenient for the bottom of patient's mandible and is supported.

[0008] As further description of the above technical solution: one end of two -way screw rod is equipped with handle, one side of handle is fixedly connected with one end of two -way screw rod, and handle is convenient for rotating two -way screw rod.

[0009] As further description of the above technical solution: the side of two support rods is all rotatably connected with positioning ring, and the side of two positioning rings is respectively fixedly connected with the side of two baffles, and positioning ring is convenient for improving the stability when baffle rotates.

[0010] As further description of the above technical solution: the top of support plate is equipped with connecting slot, and the inside of connecting slot is fixedly connected with the bottom of first soft pad, and first soft pad is convenient for preventing support plate from pressing the mandible of patient.

[0011] As further description of the above technical solution: the inside of two limit rings is equipped with a plurality of limit holes, and the side of two limit shafts is respectively matched with the inside of two limit holes, and limit shaft is convenient for limiting limit ring.

[0012] As further description of the above technical solution: the inside of two fixed rings is equipped with placing hole, and the inside of two placing holes is respectively matched with the side of two limit shafts, and fixed ring is convenient for improving the stability when limit shaft moves.

[0013] As a further description of the above technical scheme: the bottom end of the second connecting rod is fixedly connected with the top end of the mounting plate, and a plurality of mounting holes are formed in the mounting plate, so that the mounting plate can support the second connecting rod.

[0014] The utility model discloses have the following beneficial effects:

[0015] The utility model discloses a device for fixing edentulous mandible during planting operation, through cooperation and design, the support plate is attached to the patient's mandible, the two baffles are used to limit the side of the patient's mandible, preventing the patient's mandible from shaking left and right, the two baffles are brought close to or away from each other by rotating the two -way threaded rod, the spacing between the two baffles can be adjusted, the baffle can limit the patient with different mandible shapes, during the adjustment of the baffle, the limiting shaft is taken out, when the two movable blocks are brought close to each other by rotating the two -way threaded rod, the two baffles will be brought close to each other, when the side of the baffle contacts the patient's mandible, the baffle is blocked by the patient's mandible, along with the two support rods gradually close to each other, the baffle rotates along the support rod, the horizontal angle of the baffle changes, the baffle gradually attaches to the patient's mandible, the tightness of the baffle and the patient's mandible connection is improved, the baffle can limit the mandible with different shapes, so that the device can limit the side of the patient's mandible through the baffle, and the spacing between the two baffles and the horizontal angle of the two baffles can be adjusted conveniently, the baffle can attach to the mandible with different width and shape, the application range of the device is improved, the probability of the patient's mandible shaking is reduced, the operation precision is improved, and the planting effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the explosion structure schematic diagram of the support plate of the utility model;

[0018] Figure 3 It is the installation structure schematic diagram of the limiting shaft of the utility model;

[0019] Figure 4 It is the structure schematic diagram of A of the utility model Figure 1 .

[0020] LEGEND:

[0021] 1, support plate;2, first soft pad;3, movable block;4, two -way threaded rod;5, support rod;6, fixed ring;7, limiting shaft;8, limiting ring;9, baffle;10, second soft pad;11, first connecting rod;12, first fixed rod;13, rotating rod;14, second fixed rod;15, second connecting rod;16, mounting plate;17, handle;18, positioning ring. DETAILED DESCRIPTION

[0022] Referring to Figures 1-4 The utility model provides a device for planting operation when fixed edentulous mandible: including support board 1, support board 1 is convenient for the location of two -way screw rod 4, the top of support board 1 is equipped with first soft pad 2, the top of support board 1 is equipped with two movable blocks 3, movable block 3 is convenient for driving support rod 5 to move, the inside rotation of support board 1 is connected with two -way screw rod 4, two -way screw rod 4 is convenient for driving two movable blocks 3 to be close to each other or away from each other, the side of two -way screw rod 4 is respectively with the inside screw connection of two movable blocks 3, the top of two movable blocks 3 is all fixed with support rod 5, support rod 5 is convenient for improving the stability when the rotation of limiting ring 8, the top of two support rod 5 sides is all fixed with fixed ring 6, the inside of two fixed rings 6 all is equipped with limit shaft 7, the side of two support rod 5 all is rotatably connected with limiting ring 8, the side of two limiting rings 8 all is fixed with baffle 9, baffle 9 is convenient for the location of patient's mandibular side, one side of two baffles 9 all is fixed with second soft pad 10, the bottom of support board 1 is fixed with first connecting rod 11, the side of first connecting rod 11 is hinged with first fixed rod 12, the bottom of first fixed rod 12 rotatably connects with rotating rod 13, the bottom of rotating rod 13 is fixed with second fixed rod 14, the inside of second fixed rod 14 is hinged with second connecting rod 15, the bottom of second connecting rod 15 is equipped with mounting plate 16.

[0023] As a further embodiment of the above technical solution: the top of support board 1 is provided with a movable slot, the inside of the movable slot is slidably connected with the side of the two movable blocks 3, and the support board 1 is convenient for supporting the bottom of the patient's mandible.

[0024] As a further embodiment of the above technical solution: one end of the two-way screw rod 4 is provided with a handle 17, one side of the handle 17 is fixedly connected with one end of the two-way screw rod 4, and the handle 17 is convenient for rotating the two-way screw rod 4.

[0025] As a further embodiment of the above technical solution: the side of the two support rods 5 is rotatably connected with a positioning ring 18, the side of the two positioning rings 18 is fixedly connected with the side of the two baffles 9, and the positioning ring 18 is convenient for improving the stability when the baffle 9 rotates.

[0026] As a further embodiment of the above technical solution: the top of the support board 1 is provided with a connecting slot, the inside of the connecting slot is fixedly connected with the bottom of the first soft pad 2, and the first soft pad 2 is convenient for preventing the support board 1 from bruising the patient's mandible.

[0027] As a further embodiment of the above technical solution: the inside of the two limiting rings 8 is provided with a plurality of limiting holes, the side of the two limiting shafts 7 is respectively fitted with the inside of two limiting holes, and the limiting shaft 7 is convenient for limiting the limiting ring 8.

[0028] As a further implementation of the above technical solution: the inside of the two fixed rings 6 is provided with a placing hole, and the inside of the two placing holes is respectively matched with the side surface of the two limiting shafts 7, so that the fixed ring 6 can improve the stability of the limiting shaft 7 during movement.

[0029] As a further implementation of the above technical solution: the bottom end of the second connecting rod 15 is fixedly connected with the top end of the mounting plate 16, and a plurality of mounting holes are formed in the inside of the mounting plate 16, so that the mounting plate 16 can support the second connecting rod 15.

[0030] Working principle:

[0031] When the utility model is used, the height and the inclination angle of the support plate 1 can be adjusted by vertically rotating the second fixing rod 14, the first fixing rod 12 and the first connecting rod 11, the direction of the support plate 1 can be adjusted by horizontally rotating the first fixing rod 12 and the first connecting rod 11, so that the support plate 1 can be attached to the lower jaw of the patient, at this time, the mounting plate 16 is fixed at the specified position, the stability of the support plate 1 during support is improved, the connecting parts between the first connecting rod 11, the first fixing rod 12, the rotating rod 13, the second fixing rod 14 and the second connecting rod 15 all have certain damping force, so that the support plate 1 is not easy to shake after adjustment, the sides of the lower jaw of the patient are limited by the two baffles 9, so that the left and right shaking of the lower jaw of the patient is prevented, and the stability of the lower jaw of the patient during fixation is improved, when the spacing between the two baffles 9 is too small, the lower jaw of the patient cannot be placed between the two baffles 9, or when the spacing between the two baffles 9 is too large, the limiting effect of the baffle 9 on the lower jaw of the patient is weak, the bidirectional threaded rod 4 is rotated, so that the two movable blocks 3 are brought close to each other, so that the two support rods 5 are brought close to each other, so that the two limiting rings 8 are brought close to each other, so that the two baffles 9 are brought close to each other, the spacing between the two baffles 9 is reduced, the bidirectional threaded rod 4 is reversed, so that the two movable blocks 3 are brought away from each other, so that the two support rods 5 are brought away from each other, so that the two limiting rings 8 are brought away from each other, so that the two baffles 9 are brought away from each other, the spacing between the two baffles 9 is increased, so that the spacing between the two baffles 9 is adjustable, during the adjustment of the baffle 9, the limiting shaft 7 is taken out, so that the limiting ring 8 loses the limitation, when the bidirectional threaded rod 4 drives the two movable blocks 3 to be close to each other, the two baffles 9 will be close to each other, when one side of the baffle 9 contacts the lower jaw of the patient, the baffle 9 is blocked by the lower jaw of the patient, as the two support rods 5 gradually approach, the baffle 9 rotates along the support rod 5, so that the horizontal angle of the baffle 9 changes, so that the baffle 9 gradually attaches to the lower jaw of the patient, the tightness of the connection between the baffle 9 and the lower jaw of the patient is improved, the first soft pad 2 and the second soft pad 10 prevent the support plate 1 and the baffle 9 from damaging the lower jaw of the patient, after the adjustment of the baffle 9 is completed, the limiting shaft 7 passes through the fixed ring 6 and the limiting ring 8, so that the limiting ring 8 is limited, so that the baffle 9 is limited, so that the device is convenient for limiting the sides of the lower jaw of the patient through the baffle 9, and it is convenient to adjust the spacing between the two baffles 9 and the horizontal angle of the two baffles 9, so that the baffle 9 can attach to the lower jaws of different widths and shapes, so that the application range of the device is improved, the probability of the shaking of the lower jaw of the patient is reduced, the surgical precision is improved, and the implanting effect is improved.

[0032] It should be explained finally: above only is the preferred embodiment of the utility model and is not used for limiting the utility model, although the utility model has been explained in detail with reference to foregoing embodiment, for the skilled person in the art, it still can modify the technical scheme recorded in foregoing each embodiment or make equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A device for anchoring an edentulous mandible during implant surgery, comprising a support plate (1), characterized in that: The top end of the supporting plate (1) is provided with a first soft pad (2), the top end of the supporting plate (1) is provided with two movable blocks (3), the inside of the supporting plate (1) is rotatably connected with a bidirectional threaded rod (4), the side surface of the bidirectional threaded rod (4) is respectively threadedly connected with the inside of the two movable blocks (3), the top end of each of the two movable blocks (3) is fixedly provided with a supporting rod (5), the top end of the side surface of each of the two supporting rods (5) is fixedly provided with a fixed ring (6), the inside of each of the two fixed rings (6) is provided with a limiting shaft (7), the side surface of each of the two supporting rods (5) is rotatably connected with a limiting ring (8), the side surface of each of the two limiting rings (8) is fixedly provided with a baffle (9), one side of each of the two baffles (9) is fixedly provided with a second soft pad (10), the bottom end of the supporting plate (1) is fixedly provided with a first connecting rod (11), the side surface of the first connecting rod (11) is hingedly connected with a first fixed rod (12), the bottom end of the first fixed rod (12) is rotatably connected with a rotating rod (13), the bottom end of the rotating rod (13) is fixedly provided with a second fixed rod (14), the inside of the second fixed rod (14) is hingedly connected with a second connecting rod (15), and the bottom end of the second connecting rod (15) is provided with a mounting plate (16).

2. A device for anchoring an edentulous mandible during implant surgery according to claim 1, characterized in that: The top end of the supporting plate (1) is provided with a first soft pad (2), the top end of the supporting plate (1) is provided with two movable blocks (3), the inside of the supporting plate (1) is rotatably connected with a bidirectional threaded rod (4), the side surface of the bidirectional threaded rod (4) is respectively threadedly connected with the inside of the two movable blocks (3), the top end of each of the two movable blocks (3) is fixedly provided with a supporting rod (5), the top end of the side surface of each of the two supporting rods (5) is fixedly provided with a fixed ring (6), the inside of each of the two fixed rings (6) is provided with a limiting shaft (7), the side surface of each of the two supporting rods (5) is rotatably connected with a limiting ring (8), the side surface of each of the two limiting rings (8) is fixedly provided with a baffle (9), one side of each of the two baffles (9) is fixedly provided with a second soft pad (10), the bottom end of the supporting plate (1) is fixedly provided with a first connecting rod (11), the side surface of the first connecting rod (11) is hingedly connected with a first fixed rod (12), the bottom end of the first fixed rod (12) is rotatably connected with a rotating rod (13), the bottom end of the rotating rod (13) is fixedly provided with a second fixed rod (14), the inside of the second fixed rod (14) is hingedly connected with a second connecting rod (15), and the bottom end of the second connecting rod (15) is provided with a mounting plate (16).

3. A device for anchoring an edentulous mandible during implant surgery according to claim 1, characterized in that: The top end of the supporting plate (1) is provided with a first soft pad (2), the top end of the supporting plate (1) is provided with two movable blocks (3), the inside of the supporting plate (1) is rotatably connected with a bidirectional threaded rod (4), the side surface of the bidirectional threaded rod (4) is respectively threadedly connected with the inside of the two movable blocks (3), the top end of each of the two movable blocks (3) is fixedly provided with a supporting rod (5), the top end of the side surface of each of the two supporting rods (5) is fixedly provided with a fixed ring (6), the inside of each of the two fixed rings (6) is provided with a limiting shaft (7), the side surface of each of the two supporting rods (5) is rotatably connected with a limiting ring (8), the side surface of each of the two limiting rings (8) is fixedly provided with a baffle (9), one side of each of the two baffles (9) is fixedly provided with a second soft pad (10), the bottom end of the supporting plate (1) is fixedly provided with a first connecting rod (11), the side surface of the first connecting rod (11) is hingedly connected with a first fixed rod (12), the bottom end of the first fixed rod (12) is rotatably connected with a rotating rod (13), the bottom end of the rotating rod (13) is fixedly provided with a second fixed rod (14), the inside of the second fixed rod (14) is hingedly connected with a second connecting rod (15), and the bottom end of the second connecting rod (15) is provided with a mounting plate (16).

4. A device for anchoring an edentulous mandible during implant surgery according to claim 1, characterized in that: ​ 5. A device for anchoring an edentulous mandible during implant surgery according to claim 1, wherein: ​ 6. A device for anchoring an edentulous mandible during implant surgery according to claim 1, characterized in that: ​ 7. A device for anchoring an edentulous mandible during implant surgery according to claim 1, wherein: ​ 8. A device for anchoring an edentulous mandible during implant surgery according to claim 1, wherein: ​

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