CN212755859U

CN212755859U - Instrument for tibiofibular syndesmosis

Info

Publication number: CN212755859U
Application number: CN202020807502.6U
Authority: CN
Inventors: 寇剑铭; 陈言智; 柏林刚; 杨志强; 苏耀辉; 张春宇
Original assignee: Second Peoples Hospital of Lianyungang of Oncology Hospital of Lianyungang
Current assignee: Second Peoples Hospital of Lianyungang of Oncology Hospital of Lianyungang
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-03-23
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses an apparatus for tibiofibular combined operation, including backup pad and fixed plate, the lower surface of fixed plate and the lower surface of backup pad are in on the same horizontal plane. This an apparatus for tibiofibular syndromy, reached and realized not only being convenient for the centre gripping at the center of shin bone and fibula through this mechanism, be difficult to off-centre, can carry out fine the reseing to tibiofibula, and, after the centre gripping resets, press into tibiofibula screw down, because taper rod and the constant head tank of director advance to the direction fix a position, can be fine fix a position the direction, be difficult to beat inclined to one side effect, it separates at the operation in-process to have solved present tibiofibula syndromy down, use the point type to reset the pincers centre gripping, the point of centre gripping is difficult to the accurate, be difficult to the centre gripping at shin bone and fibula, it is inclined to one side to easily press from both sides, lead to tibiofibula syndromy bad under, and the centre gripping resets the back, the direction of tibiofibula screw is.

Description

Instrument for tibiofibular syndesmosis

Technical Field

The utility model relates to an apparatus for tibiofibular combined operation especially relates to medical equipment technical field.

Background

The joint separation of the tibia and the fibula generally means that the distal separation of the tibia and the fibula leads to the enlargement of an ankle acupoint, and the joint separation of the tibia and the fibula is often accompanied by distal fibula fracture, combined tibia and fibula fracture and tibial anterior tubercle avulsion fracture simultaneously, and the ankle joint is unstable after injury.

In the operation process of the prior tibiofibular syndesmosis separation, a point-type reduction clamp is required to be used for holding reduction, and then a tibiofibular screw is driven, but two problems are encountered in the operation process:

1. the point type reduction forceps are used for clamping, the clamping points are difficult to align, the clamping points are difficult to clamp at the centers of the tibia and the fibula, and the inferior tibia and fibula combined reduction is easy to clamp;

2. after the clamping is reset, the direction of driving the tibiofibular screw is difficult to grasp and is easy to deviate forwards or backwards.

Accordingly, there is a need for an apparatus for a tibiofibular syndesmosis procedure.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defects of the prior art and provide an instrument for the combined operation of the lower tibiofibula.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an apparatus for shin fibula joint operation down, including backup pad and fixed plate, the lower surface of fixed plate is in on the same horizontal plane with the lower surface of backup pad, the cross-section of fixed plate is the L shape, the inboard fixed surface of fixed plate is connected with the taper rod, the tooth's socket has been seted up to the upper surface of fixed plate, the upper surface of backup pad is provided with guiding orientation mechanism, and guiding orientation mechanism including the mounting groove, the mounting groove is seted up in the upper surface of backup pad.

Preferably, the inner wall of the mounting groove is fixedly sleeved with a pin shaft, the outer surface of the pin shaft is movably sleeved with a clamping plate, the inner side surface of the pin shaft, which is close to the clamping plate, is sleeved with a torsion spring, and the free end of one end of the torsion spring is fixedly connected with the inner bottom wall of the mounting groove;

through above-mentioned technical scheme, the mounting groove accomplishes the fixed measure to the cardboard through the round pin axle, and then the cardboard of being convenient for rotates in the inside of mounting groove.

Preferably, the free end of the other end of the torsion spring is fixedly connected with the lower surface of the clamping plate, the upper surface of the supporting plate is provided with a clamping hole, the surface of one side of the supporting plate is provided with a positioning groove, and the axes of the positioning groove and the conical rod are positioned on the same axis;

through above-mentioned technical scheme, mounting groove and cardboard cooperation are used, play torsion spring and carry out the effect fixed.

Preferably, a through hole is formed in the surface of one side of the supporting plate, the inner wall of the through hole is in sliding sleeve connection with the lower surface of the fixing plate, and the lower surface of the clamping plate penetrates through the through hole and is clamped with the inner wall of the tooth socket;

through above-mentioned technical scheme, the backup pad plays the effect of location to the through-hole.

Preferably, the front inner wall of the through hole is provided with a mounting hole, and the inner wall of the mounting hole is sleeved with a rotating rod;

through above-mentioned technical scheme, the mounting hole plays fixed effect to the bull stick, and then is convenient for the bull stick to rotate in the inside of mounting hole.

Preferably, a gear is fixedly sleeved on the outer surface of one end of the rotating rod, and the outer surface of the gear is meshed with the inner wall of the tooth groove;

through above-mentioned technical scheme, the bull stick plays the effect fixed with the location to the gear.

Preferably, the outer surface of the other end of the rotating rod is hinged with a rotating handle through a pin shaft;

through above-mentioned technical scheme, the bull stick plays fixed effect to the twist grip.

The utility model discloses the beneficial effect who reaches is:

the instrument for the tibiofibula combined operation has the advantages that the upper surface of the supporting plate is provided with the guiding and positioning mechanism, the guiding and positioning mechanism comprises the mounting groove, the mounting groove is arranged on the upper surface of the supporting plate, the effects that the instrument is convenient to clamp at the centers of the tibiofibula and the fibula, the eccentricity is not easy, the tibiofibula and the fibula can be well reset, the tibiofibula screw is driven in after the clamping and the resetting are realized by the mechanism, the direction can be well positioned because the taper rod and the positioning groove of the guider are positioned in advance, the effect of the deviation is not easy to be driven is solved, the problems that the existing tibiofibula and the fibula combined separation is difficult to be clamped by using a point type reset pliers in the operation process, the clamping point is difficult to be aligned, the clamping is difficult to clamp at the centers of the tibiofibula and the tibiofibula combined resetting is not good are solved, and the direction, easily to the front or the back.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;

fig. 3 is a sectional view of the support plate structure of the present invention;

FIG. 4 is a right side view of the support plate structure of the present invention;

fig. 5 is a perspective view of the tooth socket structure of the present invention.

As shown in the figure: 1. a support plate; 2. a fixing plate; 3. a tapered rod; 4. a tooth socket; 5. mounting grooves; 51. clamping a plate; 52. a torsion spring; 53. a clamping hole; 54. positioning a groove; 55. a through hole; 56. mounting holes; 57. a rotating rod; 58. a gear; 59. the handle is rotated.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-5, an apparatus for tibiofibular syndesmosis operation includes a supporting plate 1 and a fixing plate 2, the lower surface of the fixing plate 2 and the lower surface of the supporting plate 1 are on the same horizontal plane, the cross section of the fixing plate 2 is L-shaped, the inner side surface of the fixing plate 2 is fixedly connected with a taper rod 3, the upper surface of the fixing plate 2 is provided with a tooth socket 4, the upper surface of the supporting plate 1 is provided with a guiding and positioning mechanism, the guiding and positioning mechanism includes a mounting groove 5, and the mounting groove 5 is arranged on the upper surface of the supporting plate 1.

Furthermore, a pin shaft is fixedly sleeved on the inner wall of the mounting groove 5, a clamping plate 51 is movably sleeved on the outer surface of the pin shaft, a torsion spring 52 is sleeved on the inner side surface of the pin shaft close to the clamping plate 51, and a free end of one end of the torsion spring 52 is fixedly connected with the inner bottom wall of the mounting groove 5;

further, the mounting groove 5 completes the fixing measure for the clamping plate 51 through a pin shaft, thereby facilitating the rotation of the clamping plate 51 in the mounting groove 5.

Furthermore, the free end of the other end of the torsion spring 52 is fixedly connected with the lower surface of the clamping plate 51, the upper surface of the supporting plate 1 is provided with a clamping hole 53, the surface of one side of the supporting plate 1 is provided with a positioning groove 54, and the positioning groove 54 and the axis of the conical rod 3 are positioned on the same axis;

further, the mounting groove 5 and the catch plate 51 are used in cooperation, and the effect of fixing the torsion spring 52 is achieved.

Furthermore, a through hole 55 is formed in the surface of one side of the supporting plate 1, the inner wall of the through hole 55 is in sliding sleeve connection with the lower surface of the fixing plate 2, and the lower surface of the clamping plate 51 penetrates through the through hole 55 to be clamped with the inner wall of the tooth socket 4;

further, the support plate 1 has a positioning effect on the through hole 55.

Further, a mounting hole 56 is formed in the front inner wall of the through hole 55, and a rotating rod 57 is sleeved on the inner wall of the mounting hole 56;

further, the mounting hole 56 has a fixing effect on the rotating rod 57, thereby facilitating the rotation of the rotating rod 57 inside the mounting hole 56.

Furthermore, a gear 58 is fixedly sleeved on the outer surface of one end of the rotating rod 57, and the outer surface of the gear 58 is meshed with the inner wall of the tooth groove 4;

further, the rotating rod 57 has a fixing and positioning effect on the gear 58.

Further, the outer surface of the other end of the rotating rod 57 is hinged with a rotating handle 59 through a pin shaft;

further, the rotating lever 57 has a fixing effect on the rotating knob 59.

The upper surface of the supporting plate 1 is provided with a guiding and positioning mechanism, the guiding and positioning mechanism comprises a mounting groove 5, the mounting groove 5 is arranged on the upper surface of the supporting plate 1, the purposes that the center of the tibia and the fibula is convenient to clamp and the tibia and the fibula are not easy to be eccentric are achieved through the mechanism, the lower tibia and the fibula can be well reset, in addition, after clamping and resetting, the tibiofibular screw is driven, because the conical rod 3 and the positioning groove 54 of the guider position the direction in advance, can well position the direction, has the effect of difficult deviation, solves the problems that the prior tibiofibula combined separation is in the operation process, the point type reduction forceps are used for clamping, the clamping point is difficult to be accurately positioned, the centre of the tibia and the fibula is difficult to be clamped, the inferior tibia and fibula combined reduction is easy to be deviated, and the inferior tibia and fibula combined reduction is caused, and the direction of the screw driven into the tibiofibular bone is difficult to grasp after clamping reduction, and the screw is easy to deviate forwards or backwards.

The working principle is as follows: firstly, the taper rod 3 is placed on the front side of the medial malleolus of a patient, the positioning groove 54 on the supporting plate 1 is placed in the center of the fibula, at the moment, an operator presses the clamping plate 51 downwards with one hand, the clamping state between the lower surface of the clamping plate 51 and the tooth space 4 is relieved, the other hand of the operator rotates the rotating handle 59, the gear 58 connected with the outer surface of the rotating rod 57 at the rotating handle 59 is driven to be meshed with the tooth space 4 on the fixing plate 2, so that the fixing plate 2 is driven to move leftwards inside the through hole 55 on the supporting plate 1, the lower tibiofibula combination is extruded, after the extrusion work is finished, the operator stops pressing the clamping plate 51 with one hand, the clamping plate 51 is driven to pass through the through hole 55 to be clamped with the tooth space 4 under the action of the torsion spring 52, the clamping between the clamping plate 51 and the tooth space 4 is finished, the lower tibiofibula combination is reset, because the direction is positioned in advance by the taper rod 3 and the positioning groove 54 of the guider, the direction can be well positioned, and the deviation is not easy to occur.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An apparatus for tibiofibular syndesmosis surgery, comprising a support plate (1) and a fixing plate (2), characterized in that: the lower surface of fixed plate (2) and the lower surface of backup pad (1) are in on the same horizontal plane, the cross-section of fixed plate (2) is the L shape, the inboard fixed surface of fixed plate (2) is connected with taper rod (3), tooth's socket (4) have been seted up to the upper surface of fixed plate (2), the upper surface of backup pad (1) is provided with guiding orientation mechanism, and guiding orientation mechanism is including mounting groove (5), mounting groove (5) are seted up in the upper surface of backup pad (1).

2. An apparatus for tibiofibular syndesmosis surgery as claimed in claim 1, wherein: the inner wall of the mounting groove (5) is fixedly sleeved with a pin shaft, a clamping plate (51) is movably sleeved on the outer surface of the pin shaft, a torsion spring (52) is sleeved on the inner side surface of the pin shaft close to the clamping plate (51), and the free end of one end of the torsion spring (52) is fixedly connected with the inner bottom wall of the mounting groove (5).

3. An apparatus for tibiofibular syndesmosis surgery as claimed in claim 2, wherein: the free end of the other end of the torsion spring (52) is fixedly connected with the lower surface of the clamping plate (51), the upper surface of the supporting plate (1) is provided with a clamping hole (53), the surface of one side of the supporting plate (1) is provided with a positioning groove (54), and the positioning groove (54) and the axis of the taper rod (3) are located on the same axis.

4. An apparatus for tibiofibular syndesmosis surgery as claimed in claim 3, wherein: through-hole (55) have been seted up to one side surface of backup pad (1), the inner wall of through-hole (55) and the lower surface sliding sleeve of fixed plate (2) cup joint, the lower surface of cardboard (51) pass through-hole (55) with the inner wall joint of tooth's socket (4).

5. An apparatus for tibiofibular syndesmosis surgery as claimed in claim 4, wherein: the front inner wall of the through hole (55) is provided with a mounting hole (56), and the inner wall of the mounting hole (56) is sleeved with a rotating rod (57).

6. An apparatus for tibiofibular syndesmosis surgery as claimed in claim 5, wherein: the outer surface of one end of the rotating rod (57) is fixedly sleeved with a gear (58), and the outer surface of the gear (58) is meshed with the inner wall of the tooth groove (4).

7. An apparatus for tibiofibular syndesmosis surgery as claimed in claim 6, wherein: the outer surface of the other end of the rotating rod (57) is hinged with a rotating handle (59) through a pin shaft.