阅读说明：本技术 一种可动的肘关节支架 (Movable elbow joint support ) 是由 安智全 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种可动的肘关节支架,本发明两个直角弯杆后侧均通过夹持块夹持Schanz螺钉与尺骨干后侧固定,前侧通过夹持块与下端连杆夹持在一起,而下端连杆通过可调节连接件与球形连杆安装在一起,从而通过直角弯杆1的使用,其中远端Schanz螺钉打入尺骨近端的螺钉位于后侧,使得可调节连接件旋转中心处于外侧,从而降低了远端打入螺钉的操作难度。本发明通过可调节连接件的使用,松开固定螺钉后,可调节其远端直杆连接器位于下端连杆上的位置,可通过固定螺钉进行锁紧,松开空心定位钉,可调节其上端连杆与远端直杆连接器之间的角度,从而可根据病人手臂弯曲的角度调节,使之更加符合肘关节的生理活动标准,减少对前壁旋转功能的影响。(The invention discloses a movable elbow joint support.A Schanz screw is clamped at the rear sides of two right-angle bent rods by a clamping block and is fixed with the rear side of an ulnar stem, the front side of the two right-angle bent rods is clamped with a lower end connecting rod by the clamping block, the lower end connecting rod is arranged with a spherical connecting rod by an adjustable connecting piece, so that the right-angle bent rods 1 are used, wherein the screw which is driven into the proximal end of the ulnar is positioned at the rear side of the Schanz screw at the far end, the rotating center of the adjustable connecting piece is positioned at the outer side, and the operation difficulty of driving the screw into the far end is reduced. According to the invention, through the use of the adjustable connecting piece, after the fixing screw is loosened, the position of the far-end straight rod connector on the lower-end connecting rod can be adjusted, the fixing screw can be used for locking, the hollow positioning nail is loosened, and the angle between the upper-end connecting rod and the far-end straight rod connector can be adjusted, so that the elbow joint can be adjusted according to the bent angle of the arm of a patient, the elbow joint can better meet the physiological activity standard of the elbow joint, and the influence on the rotation function of the front wall is reduced.)

1. A mobile elbow rest comprising two right-angled bent rods (1), characterized in that: the rear side centre gripping of right angle knee pole (1) has grip block (2), the centre gripping has Schanz screw (3) on grip block (2), and Schanz screw (3) and chi diaphysis rear side fixed mounting, the right side centre gripping of right angle knee pole 1 has grip block (2), and the centre gripping has lower extreme connecting rod (4) between two grip blocks (2), adjustable connecting piece (5) are installed to the upper end of lower extreme connecting rod (4), spherical connecting rod (6) are installed to the upper end of adjustable connecting piece (5), the upper end centre gripping of spherical connecting rod (6) has grip block (2), the centre gripping has two Schanz screws (3) on grip block (2), and Schanz screw (3) and brachial diaphysis fixed mounting.

2. A movable elbow rest as claimed in claim 1, wherein: the adjustable connecting piece (5) comprises a far-end straight rod connector (51), an inclined hole (52) penetrates through the upper surface of the far-end straight rod connector (51), the inclined hole (52) is sleeved with a lower end connecting rod (4), a fixing screw (53) extruded with the lower end connecting rod (4) is screwed at the tail end of the far-end straight rod connector (51), an inserting rod (54) is inserted at the head end of the far-end straight rod connector (51), a hinging block (55) is integrally formed at the head end of the inserting rod (54), a spherical hinging groove (56) is formed in the middle of the hinging block (55), a hollow positioning nail (57) is screwed at the outer side wall of the hinging block (55), one end of a shaft rod (58) is sleeved at the middle of the hollow positioning nail (57), the other end of the shaft rod (58) is fixedly installed with the inner side wall of the spherical hinging groove (56), and a positioning nail (510) is screwed at the lower end of the far-end straight rod connector (51), and the outer side wall of the positioning nail 58 is sleeved with a limit groove (59) arranged on the outer side wall of the insertion rod (54).

3. A movable elbow rest as claimed in claim 2, wherein: the spherical connecting rod (6) comprises a connecting ball (61), the connecting ball (61) is sleeved in the spherical hinge groove (56), the connecting ball (61) is sleeved with the shaft rod (58), the connecting ball (61) is extruded with the hollow positioning nail (57), and an upper end connecting rod (62) is fixedly mounted on the outer side wall of the connecting ball (61).

4. A movable elbow rest as claimed in claim 1, wherein: grip block (2) are including central splint (21), the both ends integrated into one piece at central splint (21) middle part has hexagon stopper (22), the both sides laminating of central splint (21) has extrusion piece (23), one side screw (24) have been cup jointed on extrusion piece (23), and screw (24) run through behind hexagon stopper (22) with opposite side extrusion piece (23) looks spiro union, hexagon spacing groove (25) that cup joints mutually with hexagon stopper (22) are seted up with the opposite face of central splint (21) to extrusion piece (23), extrusion piece (23) and the opposite face of central splint (21), the lateral wall that is located hexagon spacing groove (25) has seted up extrusion groove (26).

Technical Field

The invention relates to the technical field of medical instruments, in particular to a movable elbow joint support.

Background

Instability of the elbow joint due to trauma is a common injury to the elbow, and most of them require surgical treatment. In some cases, after fracture fixation and ligament repair, there is some instability, in which an external fixation frame is required to increase stability, and the elbow joint is allowed to move early, so as to reduce the stiffness of the elbow joint and improve the curative effect.

The screw at the far end of the prior movable elbow joint support is usually arranged at the outer side of the middle section of the ulna, the operation is inconvenient, the fracture of the ulna shaft is easily caused, and the rotation function of the forearm is limited. Therefore, a novel elbow joint movable support is provided.

Disclosure of Invention

The object of the present invention is to provide a movable elbow joint support that solves the problems set forth in the background above.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a movable elbow joint support, includes two right angle knee rods, the rear side centre gripping of right angle knee rod has the grip block, the centre gripping has the Schanz screw on the grip block, and the rear side fixed mounting of Schanz screw and chi diaphysis, the right side centre gripping of right angle knee rod has the grip block, and the centre gripping has the lower extreme connecting rod between two grip blocks, but adjustable connector is installed to the upper end of lower extreme connecting rod, spherical connecting rod is installed to adjustable connector's upper end, the upper end centre gripping of spherical connecting rod has the grip block, the centre gripping has two Schanz screws on the grip block, and Schanz screw and brachial diaphysis fixed mounting.

Preferably, the adjustable connecting piece comprises a far-end straight rod connector, an inclined hole penetrates through the upper surface of the far-end straight rod connector, the inclined hole is sleeved with a lower end connecting rod, the tail end of the far-end straight rod connector is screwed with a fixing screw which is connected with the lower end and is extruded mutually, an inserting rod is inserted into the head end of the far-end straight rod connector, a hinged block is integrally formed at the head end of the inserting rod, a spherical hinge groove is formed in the middle of the hinged block, a hollow positioning nail is screwed on the outer side wall of the hinged block, one end of a shaft rod is sleeved in the middle of the hollow positioning nail, the other end of the shaft rod is fixedly mounted on the inner side wall of the spherical hinge groove, a positioning nail is screwed on the lower end of the far-end straight rod connector, and a limit groove formed in the outer side wall of the inserting rod is sleeved on the outer side wall of the positioning nail.

Preferably, the spherical connecting rod comprises a connecting ball, the connecting ball is sleeved in the spherical hinge groove, the connecting ball is sleeved with the shaft rod and is extruded with the hollow positioning nail, and an upper end connecting rod is fixedly mounted at the upper end of the connecting ball.

Preferably, the grip block includes central splint, the both ends integrated into one piece at central splint middle part has the hexagon stopper, the laminating of the both sides of central splint has the extrusion piece, one side the screw has been cup jointed on the extrusion piece, and the screw runs through behind the hexagon stopper with opposite side extrusion piece looks spiro union, the hexagon spacing groove that cup joints mutually with the hexagon stopper is seted up with the opposite face of central splint to the extrusion piece.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to a movable elbow joint support.A Schanz screw is clamped at the rear sides of two right-angle bent rods by a clamping block and is fixed with the rear side of a ulnar stem, the front side of the two right-angle bent rods is clamped with a lower end connecting rod by the clamping block, the lower end connecting rod is installed with a spherical connecting rod by an adjustable connecting piece, the spherical connecting rod clamps the Schanz screw by the clamping block and is fixedly installed with a humeral stem, so that the installation of the device is completed, and the right-angle bent rods 1 are used, wherein the screw which is driven into the proximal end of the ulnar is positioned at the rear side by the Schanz screw at the far end, so that the rotation center of the adjustable connecting piece is positioned at the outer side, and the operation difficulty of driving the screw into the far end is reduced.

According to the invention, through the use of the adjustable connecting piece, after the fixing screw is loosened, the position of the far-end straight rod connector on the lower-end connecting rod can be adjusted, after the adjustment is finished, the locking is carried out through the fixing screw, the hollow positioning nail is loosened, the connecting ball can rotate in the spherical hinge groove, so that the angle between the upper-end connecting rod and the far-end straight rod connector can be adjusted, and the angle adjustment can be carried out according to the bent angle of the arm of the patient, so that the elbow joint can better meet the physiological activity standard of the elbow joint, and the influence on the rotation function of the front wall is reduced.

The second embodiment of the invention provides the clamping block, when in use, the connecting rod can be placed in the extrusion groove, and then the connecting rod can be clamped by screwing the screw.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial structural view of the first embodiment of the present invention;

FIG. 3 is an exploded view of a portion of the first embodiment of the present invention;

FIG. 4 is a schematic view of a second embodiment of a clamping block according to the present invention.

In the figure: the device comprises a right-angle bent rod 1, a clamping block 2, a central clamping plate 21, a hexagonal limiting block 22, an extrusion block 23, a screw 24, a hexagonal limiting groove 25, an extrusion groove 26, a Schanz screw 3, a lower end connecting rod 4, an adjustable connecting piece 5, a far-end straight rod connector 51, an inclined hole 52, a fixing screw 53, an insertion rod 54, a hinge block 55, a spherical hinge groove 56, a hollow positioning nail 57, a shaft rod 58, a limiting groove 59, a positioning nail 510, a spherical connecting rod 6, a connecting ball 61 and an upper end connecting rod 62.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a movable elbow joint support comprises two right-angle bent rods 1, clamping blocks 2 are clamped on the rear sides of the right-angle bent rods 1, Schanz screws 3 are clamped on the clamping blocks 2, the Schanz screws 3 are fixedly mounted on the rear sides of the ulnar stem, the clamping blocks 2 are clamped on the right sides of the right-angle bent rods 1, lower end connecting rods 4 are clamped between the two clamping blocks 2, adjustable connecting pieces 5 are mounted at the upper ends of the lower end connecting rods 4, spherical connecting rods 6 are mounted at the upper ends of the adjustable connecting pieces 5, the clamping blocks 2 are clamped at the upper ends of the spherical connecting rods 6, the two Schanz screws 3 are clamped on the clamping blocks 2, and the Schanz screws 3 are fixedly mounted on the humeral stem.

Specifically, the adjustable connector 5 includes a far-end straight rod connector 51, an inclined hole 52 penetrates through the upper surface of the far-end straight rod connector 51, the inclined hole 52 is sleeved with the lower end connecting rod 4, a fixing screw 53 which is extruded with the lower end connecting rod 4 is screwed at the tail end of the far-end straight rod connector 51, a plug rod 54 is inserted at the head end of the far-end straight rod connector 51, a hinge block 55 is integrally formed at the head end of the plug rod 54, a spherical hinge groove 56 is formed in the middle of the hinge block 55, a hollow positioning nail 57 is screwed on the outer side wall of the hinge block 55, one end of a shaft rod 58 is sleeved in the middle of the hollow positioning nail 57, the other end of the shaft rod 58 is fixedly installed on the inner side wall of the spherical hinge groove 56, a positioning nail 510 is screwed on the lower end of the far-end straight rod connector 51, and a limiting groove 59 which is formed in the outer side wall of the plug rod 54 is sleeved on the outer side wall of the positioning nail 58.

Specifically, the spherical connecting rod 6 comprises a connecting ball 61, the connecting ball 61 is sleeved in the spherical hinge groove 56, the connecting ball 61 is sleeved with the shaft rod 58, the connecting ball 61 is extruded with the hollow positioning nail 57, and the outer side wall of the connecting ball 61 is fixedly provided with an upper end connecting rod 62.

The working principle is as follows: according to the invention, Schanz screws 3 are clamped by the rear sides of two right-angle bent rods 1 through clamping blocks 2 and are fixed with the rear side of the ulnar stem, the front sides of the two right-angle bent rods are clamped together with a lower end connecting rod 4 through the clamping blocks 2, the lower end connecting rod 4 is installed together with a spherical connecting rod 6 through an adjustable connecting piece 5, and the spherical connecting rod 6 clamps the Schanz screws 3 through the clamping blocks 2 and is fixedly installed together with the humeral stem, so that the installation of the device is completed, and therefore, through the use of the right-angle bent rods 1, the screws which are driven into the proximal end of the ulnar by the Schanz screws 3 at the far end are positioned on the rear sides, so that the rotation centers of the adjustable connecting pieces 5 are positioned on the outer sides, and the operation difficulty of driving the screws into the far end is reduced.

According to the invention, through the use of the adjustable connecting piece 5, after the fixing screw 53 is loosened, the position of the far-end straight rod connector 51 on the lower-end connecting rod 4 can be adjusted, after the adjustment is finished, the fixing screw 53 is used for locking, the hollow positioning nail 57 is loosened, the connecting ball 61 can rotate in the spherical hinge groove 56, so that the angle between the upper-end connecting rod 62 and the far-end straight rod connector 51 can be adjusted, the elbow joint can be adjusted according to the bent angle of the arm of a patient, the elbow joint can better meet the physiological activity standard of the elbow joint, and the influence on the rotation function of the front wall is reduced.

Example two:

a movable elbow joint support has the same other characteristics as the first embodiment except that: as shown in fig. 1 and 4:

particularly, grip block 2 includes central splint 21, the both ends integrated into one piece at central splint 21 middle part has hexagon stopper 22, the laminating of central splint 21's both sides has extrusion piece 23, screw 24 has been cup jointed on one side extrusion piece 23, and screw 24 runs through behind the hexagon stopper 22 with the looks spiro union of opposite side extrusion piece 23, the hexagon spacing groove 25 that cup joints mutually with hexagon stopper 22 is seted up with the opposite face of central splint 21 to extrusion piece 23, the opposite face of extrusion piece 23 and central splint 21, extrusion groove 26 has been seted up to the lateral wall that is located hexagon spacing groove 25.

The working principle is as follows: the invention provides the clamping block 2, when in use, the connecting rod can be placed in the extrusion groove 26, and then the connecting rod can be clamped by screwing the screw 24, and the invention adopts the hexagonal limiting groove 25 to be matched with the hexagonal limiting block 22, so that the two extrusion blocks 23 are more stable in clamping and are not easy to have dislocation phenomenon.

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.