CN214857354U

CN214857354U - Combined bone-knitting device for orthopedic trauma

Info

Publication number: CN214857354U
Application number: CN202121766306.XU
Authority: CN
Inventors: 岁巍
Original assignee: Xiangyang Central Hospital
Current assignee: Xiangyang Central Hospital
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2021-11-26
Anticipated expiration: 2031-07-31

Abstract

The utility model provides a combined bone-knitting device for orthopedic trauma, which comprises a bone-knitting plate body, wherein the bone-knitting plate body comprises an S-shaped first part and two connecting sections connected with the two ends of the first part, the two ends of the first part are both provided with a circular first lapping plate, the end parts of the two connecting sections are both provided with a second lapping plate in lapping fit with the first lapping plate, the second lapping plate is a circular plate with the diameter not larger than the radius of the first lapping plate, the first lapping plate is provided with a first through hole through the circle center, the second lapping plate is provided with a second through hole through the circle center, a fixing piece capable of extending into the second through hole is arranged in the first through hole in a penetrating way, the second through hole is provided with a locking screw in threaded connection with the fixing piece, by the arrangement method, the included angle between the connecting section and the first part can be adjusted, so that different patients can be adapted, and the adaptability of the device is improved.

Description

Combined bone-knitting device for orthopedic trauma

Technical Field

The utility model relates to an orthopedics auxiliary instrument technical field, concretely relates to combination formula coaptation device is used to orthopedics wound.

Background

Minimally invasive bone plate coaptation is a modern internal fixation technique for fracture, which adopts a closed fracture reduction technique and uses a non-pressurized bone plate for fixation to maintain fracture alignment, thereby minimizing surgical exposure and soft tissue stripping, reducing blood supply damage to tissues such as skin, periosteum, fracture block and the like, improving fracture healing rate and reducing the incidence rate of complications such as infection or fracture nonunion.

Clavicle fracture usually adopts S type coaptation board to arrange in the clavicle top fixedly, there are some defects in the treatment, be "clavicle claw shape steel sheet" that chinese utility model patent publication with application number CN201220337023.8, disclose a clavicle claw shape steel sheet, include unanimous with the clavicle shape, adopt medical titanium alloy to make the coaptation board that is the S type, the interval is equipped with the through-hole that can twist the screw to the clavicle on the coaptation board, the coaptation board both sides are equipped with the stationary dog that can press from both sides the coaptation board tightly in the clavicle both sides respectively at the interval, two liang of stationary dogs of coaptation board both sides set up relatively, but its stationary dog sets up with the coaptation board as an organic whole, the shape of coaptation board can not be adjusted, the position of stationary dog also can not be adjusted, need customize to patient' S contour and fracture position, the commonality is poor.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a combined bone-knitting device for orthopedic trauma to solve the technical problems presented in the background art.

The utility model provides an orthopedics wound is with combination formula coaptation device, including the coaptation board body, the coaptation board body includes the first portion of S type and connects two linkage segments at first portion both ends, the both ends of first portion all are provided with first circular lapping plate, two the tip of linkage segment all be provided with first lapping plate overlap joint complex second lapping plate, the second lapping plate is not more than for the diameter first lapping plate radial circular slab, link up through its centre of a circle on the first lapping plate and be provided with first through-hole, link up through its centre of a circle on the second lapping plate and be provided with the second through-hole, wear to be equipped with in the first through-hole and can stretch into mounting in the second through-hole, the second through-hole be provided with mounting threaded connection' S locking screw.

Further, the mounting is the fixed axle, the coaxial screw hole that is provided with in the fixed axle, the tip of fixed axle outwards expands and is provided with the step, the second through-hole is kept away from the one end of first through-hole is provided with and is used for holding the step counter sink, the tip of first through-hole is provided with and is used for holding the second counter sink of locking screw hood.

Further, a plurality of convex racks are uniformly arranged on the circumferential side wall of the fixed shaft at intervals in the circumferential direction, the convex racks extend along the axial direction of the fixed shaft, and strip-shaped grooves matched with the convex racks in an inserting mode are formed in the inner side wall of the first through hole and the inner side wall of the second through hole.

Furthermore, the sum of the thicknesses of the first overlapping plate and the second overlapping plate is smaller than or equal to the thickness of the bone plate body.

Furthermore, two both sides position of linkage segment all is provided with a plurality of flank boards, every the flank board in all be provided with adjusting part between the linkage segment, adjusting part can with the flank board is along being close to and keeping away from the direction of linkage segment is adjusted.

Further, the adjusting part includes two rectangular shape through-holes of parallel arrangement on the flank board, sets up multiunit fixed punch combination on the link, fixed punch combination include with two the screw hole of rectangular shape through-hole one-to-one, two the screw hole is followed the length direction interval of linkage segment sets up, every it has the second set screw that is used for compressing tightly to go back threaded connection in the screw hole the flank board.

Further, two sides of rectangular shape through-hole are for keeping away from the direction of linkage segment leans out gradually the setting, be provided with the briquetting in the rectangular shape through-hole, the briquetting be provided with two inclined surface of side matched with, be provided with the confession on the briquetting the third through-hole that second set screw passed.

The utility model provides a pair of combination formula coaptation device for orthopedic wound can loosen mounting and locking screw, can overlap the mounting and rotate between messenger's linkage segment and the first portion to can adjust the contained angle between two linkage segments and the first portion according to the patient of difference, adjust to suitable angle after, through locking mounting and locking screw, make first overlap joint board and second overlap joint board lock, then use, thereby can adapt to different patients, improve the device's suitability.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the combined bone-knitting device for orthopedic trauma according to the present invention.

Fig. 2 is a schematic cross-sectional structure view of a position a-a in the combined bone-knitting device for orthopedic trauma provided by the present invention.

Fig. 3 is a schematic cross-sectional structure view of a fixing shaft perpendicular to an axis in the combined bone-knitting device for orthopedic trauma provided by the present invention.

Fig. 4 is a schematic structural view of a first bridging plate in the combined bone-knitting device for orthopedic trauma according to the present invention.

Fig. 5 is a schematic view of a local enlarged structure at the position B in the combined bone-knitting device for orthopedic trauma according to the present invention.

Fig. 6 is a schematic cross-sectional structure view of the C-C position in the combined bone-knitting device for orthopedic trauma according to the present invention.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

The utility model provides a combined bone-knitting device for orthopedic trauma, referring to fig. 1-5, as a specific implementation mode, the device comprises a bone-knitting plate body 1, the bone-knitting plate body 1 comprises a first part 1a of S-shaped and two connecting sections 1b connected at two ends of the first part 1a, two ends of the first part 1a are respectively provided with a circular first lapping plate 11, the end parts of the two connecting sections 1b are respectively provided with a second lapping plate 12 in lap joint fit with the first lapping plate 11, the second lapping plate 12 is a circular plate with the diameter not larger than the radius of the first lapping plate 11, the first lapping plate is provided with a first through hole 110 through the circle center thereof, the second lapping plate is provided with a second through hole 120 through the circle center thereof, a 21 capable of extending into the second through hole is arranged in the first through hole 110, the second through hole is provided with a locking screw 22 in threaded connection with the fixing member 21.

Specifically, through setting up coaptation board body 1 into the three-section, when using, at first can loosen mounting 21 and locking screw 22, make and can overlap the mounting and rotate between linkage segment and the first portion, thereby can adjust the contained angle between two linkage segments 1b and the first portion according to the patient of difference, adjust to suitable angle back, through locking mounting 21 and locking screw 22, make first overlap joint board and second overlap joint board lock, then use, thereby can adapt to different patients, improve the adaptability of the device.

Further, referring to fig. 1 to 5, as a specific embodiment, the fixing element is a fixing shaft, a threaded hole 211 is coaxially arranged in the fixing shaft, an end portion of the fixing shaft is provided with a stepped portion 210 by expanding outward, one end of the second through hole, which is far away from the first through hole, is provided with a countersunk hole 121 for accommodating the stepped portion 210, and an end portion of the first through hole is provided with a second countersunk hole 111 for accommodating the top cap of the locking screw 22.

Further, referring to fig. 2 and 3, as a preferred embodiment, in order to ensure that the fixing member 21 and the locking screw 22 can effectively fix the first strap plate and the second strap plate when locking, a plurality of convex racks 212 are uniformly arranged on the circumferential side wall of the fixing shaft at intervals in the circumferential direction, the convex racks extend in the axial direction of the fixing shaft, and strip-shaped grooves in insertion fit with the convex racks 212 are respectively arranged on the inner side walls of the first through hole and the second through hole. Referring to fig. 2, by such an arrangement, when locking, the convex rack 212 on the circumferential surface of the fixing shaft can be inserted into the bar-shaped grooves (not shown in the figure) in the first through hole and the second through hole, so as to ensure that the first lap joint plate and the second lap joint plate cannot rotate, when angle adjustment is required, the fixing shaft extends out of the first through hole by loosening the locking screw, so that the first lap joint plate and the second lap joint plate can be rotatably adjusted, and the locking screw is locked again after rotating to a proper position, so that the fixing shaft extends into the first through hole again.

Further, referring to fig. 2, the sum of the thicknesses of the first overlapping plate 11 and the second overlapping plate 12 is less than or equal to the thickness of the bone plate body 1, so that the flatness of the working surface of the bone plate body can be ensured, and the bone plate can be tightly attached to the bone surface of a patient.

Example two

The utility model provides an orthopedics wound is with combination formula coaptation device, refer to fig. 6, its difference with embodiment one lies in, two linkage segment 1 b's both sides position all is provided with a plurality of flank boards 3, every flank board 3 in all be provided with adjusting part between linkage segment 1b, adjusting part can with flank board 3 is along being close to and keeping away from linkage segment 1 b's direction is adjusted.

Further, as a specific embodiment, the specific structure of the adjusting assembly is as follows: the adjusting part comprises two strip-shaped through holes 31 arranged on the side wing plate 3 in parallel and a plurality of groups of fixed hole groups 14 arranged on the connecting end, each fixed hole group comprises two threaded holes corresponding to the strip-shaped through holes 31 in a one-to-one manner, and the threaded holes are arranged along the length direction of the connecting section 1b at intervals and are connected with second fixing screws 15 for pressing the side wing plate in a threaded hole in a threaded connection manner. Specifically, through loosening second set screw 15 to can slide the flank board, adjust the distance that flank board stationary dog (not shown in the figure) reachd bone fracture board body 1, adjust to suitable position after two second set screws of locking can, thereby can adjust according to different patients, improve the suitability of device.

Further, two sides 310 of rectangular shape through-hole are for keeping away from the direction of linkage segment 1b leans out the setting gradually, be provided with briquetting 16 in the rectangular shape through-hole, the briquetting be provided with two slope surface 161 of side matched with, be provided with the confession on the briquetting third through-hole 162 that second set screw 15 passed through, through setting up the briquetting, sets up the side of rectangular shape through-hole 31 into the inclined plane to also set up the side of briquetting into the slope structure, thereby can increase the area of contact of the side of briquetting and rectangular shape through-hole 31, improve the fixed reliability of contralateral wing board.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The combined bone fracture device for the orthopedic trauma is characterized by comprising a bone fracture plate body (1), wherein the bone fracture plate body (1) comprises an S-shaped first part (1 a) and two connecting sections (1 b) connected to two ends of the first part (1 a), two ends of the first part (1 a) are respectively provided with a first circular lapping plate (11), the end parts of the two connecting sections (1 b) are respectively provided with a second lapping plate (12) in lap joint fit with the first lapping plate (11), the second lapping plate (12) is a circular plate with the diameter not larger than the radius of the first lapping plate (11), the first lapping plate is provided with a first through hole (110) through the circle center of the first lapping plate, the second lapping plate is provided with a second through hole (120) through the circle center of the second lapping plate, a fixing piece (21) capable of extending into the second through hole is arranged in the first through hole (110) in a penetrating manner, the second through hole is provided with a locking screw (22) in threaded connection with the fixing piece (21).

2. The combined bone-knitting device for orthopedic wounds according to claim 1, characterized in that the fixing member is a fixed shaft, a threaded hole (211) is coaxially arranged in the fixed shaft, a stepped portion (210) is arranged at the end of the fixed shaft in an outward expanding manner, a countersunk hole (121) for accommodating the stepped portion (210) is arranged at the end of the second through hole far away from the first through hole, and a second countersunk hole (111) for accommodating the nut of the locking screw (22) is arranged at the end of the first through hole.

3. The combined bone-knitting device for orthopedic trauma according to claim 2, characterized in that a plurality of convex racks (212) are uniformly arranged on the circumferential side wall of the fixed shaft at intervals in the circumferential direction, the convex racks extend along the axial direction of the fixed shaft, and strip-shaped grooves in plug-in fit with the convex racks (212) are arranged on the inner side walls of the first through hole and the second through hole.

4. The combined osteosynthesis device for orthopedic wounds, according to claim 1, characterized in that the sum of the thicknesses of said first strap (11) and of said second strap (12) is less than or equal to the thickness of said osteosynthesis plate body (1).

5. The combined bone-knitting device for orthopedic wounds according to claim 1, characterized in that a plurality of side wings (3) are respectively arranged at two sides of the two connecting sections (1 b), each side wing (3) is provided with an adjusting component between the connecting sections (1 b), and the adjusting components can adjust the side wings (3) in the direction close to and away from the connecting sections (1 b).

6. The combined bone-knitting device for orthopedic trauma according to claim 5, characterized in that the adjusting component comprises two elongated through holes (31) disposed in parallel on the side wing plate (3), and multiple sets of fixing hole sets (14) disposed on the connecting end, each fixing hole set comprises two threaded holes corresponding to the two elongated through holes (31), the two threaded holes are disposed at intervals along the length direction of the connecting section (1 b), and each threaded hole is further connected with a second fixing screw (15) in a threaded manner for compressing the side wing plate.

7. The combined bone-knitting device for orthopedic wounds according to claim 6, characterized in that two sides (310) of the elongated through hole are inclined outward from the direction away from the connecting section (1 b), a pressing block (16) is disposed in the elongated through hole, the pressing block is provided with two inclined surfaces (161) matching with the two sides, and a third through hole (162) for the second fixing screw (15) to pass through is disposed on the pressing block.