CN218651980U

CN218651980U - Femoral neck axis pressurization and lateral support nail plate system

Info

Publication number: CN218651980U
Application number: CN202222120999.6U
Authority: CN
Inventors: 林焱斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-03-21
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a thighbone neck axle center pressurization and side support nail board system, including the coaptation board, the coaptation board includes greater trochanter fixed part and femoral shaft fixed part, sets up the horizontal line pressurization hole that supplies the locking nail lock to go into on the greater trochanter fixed part, sets up main shaft center pressurization hole and side supported hole that supplies the locking nail lock to go into on the femoral shaft fixed part, and the distal end department of femoral shaft fixed part still sets up the horizontal lockpin hole that supplies horizontal lockpin lock to go into, the side department of greater trochanter fixed part is provided with a plurality of soft tissues and dodges sunken, and the outward flange punishment at greater trochanter fixed part bone contact surface is provided with a plurality of stable teeth in a dispersed manner. The utility model discloses a greater trochanter fixed part is configured to can the adaptation laminate in femoral greater trochanter surface department and then play good cladding fixed action to femoral greater trochanter position through the locking nail of locking into horizontal line pressure hole department, and in the outward flange punishment of greater trochanter fixed part bone contact surface scatter and be provided with a plurality of stable teeth, can effectively improve the combination stability of coaptation board and bone surface.

Description

Femoral neck axis pressurization and lateral support nail plate system

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to femoral neck axle center pressurization and side support nail board system.

Background

Chinese document CN212326542U (application date: 2020, 04/01) discloses a femoral neck fracture fixing device, which comprises a lateral locking plate and a plurality of femoral neck main nails, wherein the appearance of a main body of the lateral locking plate has an anatomical radian conforming to the outer side of the proximal end of a femur, each femoral neck main nail comprises a first femoral neck main nail, a second femoral neck main nail, a third femoral neck main nail and a fourth femoral neck main nail, and the lateral locking plate is provided with a plurality of main nail holes which are matched with the femoral neck main nails; the first femoral neck main nail is locked at the central part of the femoral neck, the second femoral neck main nail is vertically locked at the fracture end of the femoral neck, the third femoral neck main nail and the fourth femoral neck main nail are respectively tightly attached to the cortex of the left femoral neck bone and the cortex of the right femoral neck bone and locked, and the third femoral neck main nail and the fourth femoral neck main nail are respectively unfolded towards the respective sides, so that the femoral neck fracture fixing device which has both clinical curative effect and minimally invasive effect is provided. However, the proximal end of the lateral locking plate in the technical scheme is not provided with the greater trochanter fixing part which can be attached to the surface of the greater trochanter of the femur in a fitting manner, so that the lateral locking plate has poor wrapping and fixing performance on the greater trochanter of the femur, and the reduction and healing effects of femoral neck fracture can be influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a thighbone neck axle center pressurization and side support nail board system, it mainly solves to have side lockplate not good to the cladding fixity ability of thighbone greater trochanter now, can influence the technical problem of the restoration of thighbone neck fracture and healing effect to a certain extent.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a thighbone neck axle center pressurization and side support nail board system, including the coaptation board, the coaptation board is with thighbone near-end outside physiology radian assorted anatomical form structure, the coaptation board is including can fitting the greater trochanter fixed part and the adaptation laminating in the femoral shaft fixed part on femoral shaft surface that fit in thighbone greater trochanter surface, set up the horizontal line pressurization hole that supplies the locking nail to lock into on the greater trochanter fixed part, set up spindle core pressurization hole and side support hole that supplies the locking nail to lock into on the femoral shaft fixed part, and the distal end of femoral shaft fixed part still sets up the horizontal locking nail hole that supplies horizontal locking nail to lock into, the side department of greater trochanter fixed part is provided with a plurality of soft tissues and dodges the cave, and the outward flange punishment at the greater trochanter fixed part bone contact surface is scattered and is provided with a plurality of steady teeth.

Furthermore, the proximal end of the bone contact surface of the greater trochanter fixing part is provided with a stabilizing tooth corresponding to the top of the greater trochanter of the femur, and the edges of the two sides of the bone contact surface of the greater trochanter fixing part are dispersedly provided with a plurality of stabilizing teeth.

Furthermore, a plurality of Kirschner wire holes are dispersedly formed in the greater trochanter fixing part and the femoral shaft fixing part.

Furthermore, the femoral shaft fixing part is provided with a main shaft center pressurizing hole and two lateral supporting holes.

Furthermore, the greater trochanter fixing part is a curved surface arc structure which can be attached to and cover the surface of the greater trochanter of the femur in a fitting manner.

Further, the femoral shaft fixing part has a substantially inverted triangular structure to facilitate the intraoperative implantation.

Further, still including the trigeminy sleeve of planting the nail usefulness, the trigeminy sleeve includes the outer sleeve that the nail was used, the drill bit sleeve and the guide pin sleeve of adaptation cover in the drill bit sleeve that the outer sleeve was arranged in to the adaptation cover, horizontal line pressurized hole on the coaptation board, all be provided with the internal thread structure in spindle core pressurized hole and the side support hole, and the front end department of outer sleeve is provided with the outer screw thread portion of outer sleeve with internal thread structure looks adaptation, so that the front end of outer sleeve can the spiro union in corresponding horizontal line pressurized hole, spindle core pressurized hole or side support hole department, and all link together through dismantling connection structure between drill bit sleeve and the outer sleeve and between guide pin sleeve and the drill bit sleeve.

Further, an outer sleeve internal thread part is arranged in the outer sleeve, a drill sleeve external thread part matched with the outer sleeve internal thread part is arranged on the drill sleeve, the drill sleeve is detachably connected with the outer sleeve through the screw thread matching of the drill sleeve external thread part and the outer sleeve internal thread part, a drill sleeve internal thread part is arranged in the drill sleeve, a guide pin sleeve external thread part is arranged on the guide pin sleeve, and the guide pin sleeve is detachably connected with the drill sleeve through the screw thread matching of the guide pin sleeve external thread part and the drill sleeve internal thread part.

Furthermore, the rear ends of the outer sleeve, the drill bit sleeve and the guide pin sleeve are respectively provided with an outer sleeve hexagonal end head, a drill bit sleeve hexagonal end head and a guide pin sleeve hexagonal end head which are convenient to screw.

The technical scheme has the following advantages or beneficial effects:

femoral neck axle center pressurization and side support nail board system in, its coaptation board comprises greater than rotor fixed part and femoral shaft fixed part, the greater than rotor fixed part is configured to can the adaptation laminate in femoral greater than rotor surface department and then play good cladding fixed action to femoral greater than rotor position through the locking nail of locking into horizontal line pressure hole department, simultaneously, femoral shaft fixed part is configured to can the adaptation laminate in femoral shaft surface department and then through the horizontal locking nail of locking into horizontal locking nail hole department with the femoral shaft fixed thereby realize the stable combination in the coaptation board and the thighbone near-end outside together, simultaneously, utilize each to realize that the femoral neck fracture resets fixedly from the locking nail of main shaft center pressure hole and side support hole department locking into. In addition, be provided with a plurality of soft tissues in the side department of greater trochanter fixed part and dodge the cave in, so, can effectively reduce the peeling off to patient's soft tissue in the art, the postoperative reduces to irritate. And a plurality of stabilizing teeth are arranged at the outer edge of the bone contact surface of the greater trochanter fixing part in a scattered manner, so that the greater trochanter fixing part and the surface of the greater trochanter of the femur can be combined more stably through the stabilizing teeth, the greater trochanter fixing part and the surface of the greater trochanter are not easy to shift, the combination stability of the bone fracture plate and the bone surface can be effectively improved, and the reduction and healing effects of femoral neck fracture can be improved.

Drawings

Fig. 1 is a schematic perspective view of a bone plate according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of another angle of the bone plate according to the embodiment of the present invention.

Fig. 3 is a schematic view of another angle perspective structure of the bone plate according to the embodiment of the present invention.

Fig. 4 is a schematic view of an assembly structure of the bone fracture plate, the locking nail and the transverse locking nail according to the embodiment of the present invention.

Fig. 5 is a schematic view of the structure of the triple sleeve and the bone plate according to the embodiment of the present invention.

Fig. 6 is a schematic perspective view of a triple sleeve according to an embodiment of the present invention.

Fig. 7 is an exploded perspective view of a triple sleeve according to an embodiment of the present invention.

Description of reference numerals:

1. the bone fracture plate comprises a bone fracture plate body, 2, a locking nail, 3, a transverse pressurizing hole, 4, a main spindle core pressurizing hole, 5, a lateral supporting hole, 6, a transverse locking nail, 7, a transverse locking nail hole, 8, a dry Kirschner wire hole, 9, a triple sleeve, 11, a greater rotor fixing part, 12, a femoral shaft fixing part, 91, an outer sleeve, 92, a drill bit sleeve, 93, a guide pin sleeve, 111 and a soft tissue avoiding recess, 112, a stabilizing tooth, 911, an outer sleeve external thread part, 912, an outer sleeve hexagonal end, 921, a head sleeve external thread part, 922, a drill bit sleeve hexagonal end, 931, a guide pin sleeve external thread part, 932 and a guide pin sleeve hexagonal end.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 7, an embodiment of the present invention provides a femoral neck axis pressurization and lateral support nail plate system, including a bone fracture plate 1, the bone fracture plate 1 is an anatomical structure matching with the external physiological radian of the proximal femur side, the bone fracture plate 1 includes a greater trochanter fixing portion 11 fitting to the surface of the greater trochanter of femur and a femoral shaft fixing portion 12 fitting to the surface of the femoral shaft, a transverse pressurizing hole 3 for locking nail 2 (cannulated screw) to lock in is provided on the greater trochanter fixing portion 11, a main shaft pressurizing hole 4 and a lateral support hole 5 for locking nail 2 (cannulated screw) to lock in are provided on the femoral shaft fixing portion 12, in this embodiment, preferably, a main shaft pressurizing hole 4 and two lateral support holes 5 are provided on the femoral shaft fixing portion 12, a transverse locking nail hole 7 for locking transverse locking nail 6 to lock in is further provided at the distal end of the femoral shaft fixing portion 12, a plurality of soft tissues avoiding depressions 111 are provided at the lateral edge of the greater trochanter fixing portion 11, and a plurality of stabilizing teeth 112 are provided at the external edge of the bone contact surface of the greater trochanter fixing portion 11. It can be understood that, in this embodiment, compared to the lateral locking plate in the prior art, the bone plate 1 includes a greater trochanter fixing portion 11 and a femoral shaft fixing portion 12, the greater trochanter fixing portion 11 is configured to be capable of being fittingly attached to the surface of the femoral greater trochanter so as to perform a good covering and fixing function on the femoral greater trochanter portion by the locking nail 2 locked into the transverse pressurizing hole 3, and meanwhile, the femoral shaft fixing portion 12 is configured to be fittingly attached to the femoral shaft surface so as to be fixed together with the femoral shaft by the transverse locking nail 6 locked into the transverse locking nail hole 7, so as to achieve stable combination of the bone plate 1 and the outer side of the proximal end of the femur, and at the same time, reduction and fixation of the femoral neck fracture is achieved by the locking nails 2 locked into the spindle pressurizing hole 4 and the lateral supporting hole 5 (the locking directions and functions of the four locking nails 2 are similar to the corresponding first, second, third and fourth femoral neck main nails in CN 2126542U, and will not be described herein again. In addition, be provided with a plurality of soft tissues at the side department of greater trochanter fixed part 11 and dodge sunken 111, so, can effectively reduce the strip to patient's soft tissue in the art, postoperative reduction arouses. And a plurality of stabilizing teeth 112 are arranged at the outer edge of the bone contact surface of the greater trochanter fixing part 11 in a scattered manner, and the surfaces of the greater trochanter fixing part 11 and the femur greater trochanter can be more stably combined together through each stabilizing tooth 112, so that the displacement is not easy to occur, the combination stability of the bone fracture plate 1 and the bone surface can be effectively improved, and the reduction and healing effects of femoral neck fracture can be further improved.

Referring to fig. 2 and 3, in a preferred embodiment, at least one stabilizing tooth 112 is disposed at the proximal end of the bone-contacting surface of the greater trochanter fixing portion 11 corresponding to the top of the greater trochanter, and a plurality of stabilizing teeth 112 are disposed at the two side edges of the bone-contacting surface of the greater trochanter fixing portion 11. However, it should be understood by those skilled in the art that the number and arrangement of the stabilizing teeth 112 on the outer edge of the bone-contacting surface of the greater trochanter securing portion 11 are not limited to the specific embodiments disclosed in the present embodiment, for example, two or three or more stabilizing teeth 112 are respectively disposed on two side edges of the bone-contacting surface of the greater trochanter securing portion 11 in a scattered manner, only so that the stability of the combination of the greater trochanter securing portion 11 and the surface of the greater trochanter can be preferably improved by each stabilizing tooth 112, and those skilled in the art can perform the specific arrangement according to the specific needs.

Referring to fig. 1, in a preferred embodiment, a plurality of k-wire holes 8 are distributed on the greater trochanter fixing part 11 and the femoral shaft fixing part 12. It is understood that the number and arrangement of the k-wire holes 8 on the greater trochanter fixing part 11 and the femoral shaft fixing part 12 are not limited to the specific embodiments disclosed in the present embodiment, and those skilled in the art can arrange the number and arrangement positions thereof according to specific needs.

Referring to fig. 2 and 3, in a preferred embodiment, the greater trochanter fixing part 11 is a curved arc structure that can be fittingly and tightly wrapped around the surface of the greater trochanter of femur.

Referring to fig. 1-3, in a preferred embodiment, the femoral shaft fixing part 12 has a substantially inverted triangular structure for facilitating the implantation. It can be understood that, in the present embodiment, the femoral shaft fixing portion 12 is substantially in an inverted triangle structure, and the end thereof is in a blunt end shape, so that a certain guiding effect can be achieved in the process of implanting the bone plate 1 in the operation, thereby facilitating the smooth implantation of the bone plate 1.

Referring to fig. 4 to 7, in a preferred embodiment, the triple sleeve 9 for nail implantation further includes an outer sleeve 91 for upper nail, a drill sleeve 92 adapted to be sleeved in the outer sleeve 91, and a guide pin sleeve 93 adapted to be sleeved in the drill sleeve 92, the transverse pressurizing hole 3, the main spindle pressurizing hole 4, and the lateral support hole 5 of the bone plate 1 are all provided with an internal thread structure, and the front end of the outer sleeve 91 is provided with an outer sleeve external thread portion 911 adapted to the internal thread structure, so that the front end of the outer sleeve 91 can be screwed in the corresponding transverse pressurizing hole 3, main spindle pressurizing hole 4, or lateral support hole 5, and the drill sleeve 92 and the outer sleeve 91 and the guide pin sleeve 93 and the drill sleeve 92 are all connected together through detachable connection structures. In one preferred embodiment, an outer sleeve internal thread portion is preferably disposed in the outer sleeve 91, a drill sleeve external thread portion 921 adapted to the outer sleeve internal thread portion is disposed on the drill sleeve 92, the drill sleeve 92 is detachably connected to the outer sleeve 91 through the drill sleeve external thread portion 921 and the outer sleeve internal thread portion, a drill sleeve internal thread portion is disposed in the drill sleeve 92, a guide pin sleeve external thread portion 931 is disposed on the guide pin sleeve 93, and the guide pin sleeve 93 is detachably connected to the drill sleeve 92 through the guide pin sleeve external thread portion 931 and the drill sleeve internal thread portion. It can be understood that, in this embodiment, the triple sleeve 9 is composed of an outer sleeve 91, a drill sleeve 92 and a guide pin sleeve 93 which are internally and externally nested together, and the outer sleeve 91 can be screwed in the corresponding transverse pressurizing hole 3, the main spindle pressurizing hole 4 or the lateral support hole 5, and the drill sleeve 92 and the guide pin sleeve 93 are movably mounted through a threaded connection structure, that is, the drill sleeve 92 can be assembled into the outer sleeve 91 as required, and the guide pin sleeve 93 can be assembled into the drill sleeve 92 as required, so that the drilling, depth measurement, tapping and nailing steps can be quickly and conveniently completed by using the triple sleeve 9, and the screw implantation operation can be conveniently completed.

Referring to fig. 6 and 7, in a preferred embodiment, an outer sleeve hexagonal socket 912, a drill sleeve hexagonal socket 922 and a guide pin sleeve hexagonal socket 932 for facilitating screwing are respectively disposed at the rear ends of the outer sleeve 91, the drill sleeve 92 and the guide pin sleeve 93. However, those skilled in the art will appreciate that in other embodiments, outer sleeve hex head 912, drill sleeve hex head 922, and guide pin sleeve hex head 932 may be of other non-circular, opposite configurations, such as square, triangular, etc., as long as it facilitates threading of the respective outer sleeve 91, drill sleeve 92, and guide pin sleeve 93.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and therefore, all other embodiments obtained by those skilled in the art without any creative effort fall within the protection scope of the present invention.

Claims

1. The utility model provides a thighbone neck axle center pressurization and side support nail board system which characterized in that: including coaptation board (1), coaptation board (1) is with thighbone near-end outside physiology radian assorted anatomical form structure, coaptation board (1) is including fitting up in thighbone greater trochanter fixed part (11) and the adaptation of thighbone near-end outside physiology radian assorted fixed part (12) of laminating in thighbone shaft surface, set up horizontal line pressurization hole (3) that supply locking nail (2) to lock into on greater trochanter fixed part (11), set up main shaft heart pressurization hole (4) and side supported hole (5) that supply locking nail (2) to lock into on thighbone shaft fixed part (12), and the distal end of thighbone fixed part (12) still set up horizontal locking nail hole (7) that supply horizontal locking nail (6) to lock into, the side department of greater trochanter fixed part (11) is provided with a plurality of soft tissues and dodges sunken (111), and the punishment outward flange of greater trochanter fixed part (11) bone contact surface is provided with a plurality of stabilizing teeth (112) in a dispersed manner.

2. The femoral neck axial compression and lateral support nail plate system of claim 1, wherein: the proximal end part of the bone contact surface of the greater trochanter fixing part (11) is provided with a stabilizing tooth (112) which is arranged corresponding to the top of the greater trochanter of the femur, and the edges of two sides of the bone contact surface of the greater trochanter fixing part (11) are provided with a plurality of stabilizing teeth (112) in a scattered way.

3. The femoral neck axial compression and lateral support nail plate system of claim 1, wherein: the greater trochanter fixing part (11) and the femoral shaft fixing part (12) are provided with a plurality of Kirschner wire holes (8) in a dispersed manner.

4. The femoral neck axial compression and lateral support nail plate system of claim 1, wherein: the femoral shaft fixing part (12) is provided with a main shaft center pressurizing hole (4) and two side supporting holes (5).

5. The femoral neck axial compression and lateral support nail plate system of claim 1, wherein: the greater trochanter fixing part (11) is a curved surface arc structure which can be fittingly attached to and cover the surface of the greater trochanter of the femur.

6. The femoral neck axial compression and lateral support nail plate system of claim 1, wherein: the femoral shaft fixing part (12) is substantially in an inverted triangle structure so as to facilitate the implantation in the operation.

7. The femoral neck axial compression and lateral support nail plate system of any one of claims 1 to 6, wherein: still include triple sleeve (9) of planting nail usefulness, triple sleeve (9) are including outer sleeve (91) that the nail was used, drill bit sleeve (92) and guide pin sleeve (93) that the adaptation cover was arranged in drill bit sleeve (92) of outer sleeve (91) are arranged in to the adaptation cover, horizontal line pressurized hole (3) on the coaptation board (1), all be provided with internal thread structure in spindle core pressurized hole (4) and side supporting hole (5), and the front end department of outer sleeve (91) is provided with outer screw thread portion (911) with internal thread structure looks adaptation, so that the front end of outer sleeve (91) can the spiro union in corresponding horizontal line pressurized hole (3), spindle core pressurized hole (4) or side supporting hole (5) department, and all link together through dismantling connection structure between drill bit sleeve (92) and outer sleeve (91) and between guide pin sleeve (93) and drill bit sleeve (92).

8. The femoral neck axial compression and lateral support pin plate system of claim 7, wherein: an outer sleeve internal thread part is arranged in the outer sleeve (91), a drill sleeve external thread part (921) matched with the outer sleeve internal thread part is arranged on the drill sleeve (92), the drill sleeve (92) is detachably connected with the outer sleeve (91) through the drill sleeve external thread part (921) and the thread matching of the outer sleeve internal thread part, a drill sleeve internal thread part is arranged in the drill sleeve (92), a guide pin sleeve external thread part (931) is arranged on the guide pin sleeve (93), and the guide pin sleeve (93) is detachably connected with the drill sleeve (92) through the thread matching of the guide pin sleeve external thread part (931) and the drill sleeve internal thread part.

9. The femoral neck axial compression and lateral support pin plate system of claim 8, wherein: the rear ends of the outer sleeve (91), the drill bit sleeve (92) and the guide pin sleeve (93) are respectively provided with an outer sleeve hexagonal end head (912), a drill bit sleeve hexagonal end head (922) and a guide pin sleeve hexagonal end head (932) which are convenient to screw.