CN213697150U

CN213697150U - Proximal humerus plate

Info

Publication number: CN213697150U
Application number: CN202021062200.7U
Authority: CN
Inventors: 谢康怡; 林建东; 朱威威; 向愿
Original assignee: Wuhan Mindray Technology Co Ltd
Current assignee: Wuhan Mindray Technology Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-07-16
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a proximal humerus bone plate, which comprises a head part, a rod part and a transition part which are integrally formed, wherein the transition part is positioned between the head part and the rod part; the head part is provided with a head part locking hole and a suture hole; the rod part is provided with a rod part locking hole; the stem portion and/or the transition portion are provided with suture holes. Above-mentioned proximal humerus hone lamella, so that make the stylolite pass the head and the pole portion of proximal humerus hone lamella and/or the suture hole of transition portion, the inboard comminuted fracture's of the humerus neck of effective parcel humerus and surgery neck bone, avoided selecting too long screw and penetrating the joint or pierce the cortex bone for guaranteeing the stability of fixed proximal humerus hone lamella, and do not influence the fixed system that proximal humerus bone lamella's head and pole portion formed in the art, through suture hole and stylolite connection inboard muscle, realize that inboard fracture position fully wraps up and the joint, the inboard of protection humerus, do benefit to the recovery of postoperative, and is simple in operation, stable fixation has been realized.

Description

Proximal humerus plate

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a humerus near-end hone lamella.

Background

Proximal humeral fractures account for 5% of total fractures, and are common in elderly patients with osteoporosis. As the population ages, there is a tendency for the incidence to increase. There are many surgical methods available for treating proximal humeral fractures, including closed reduction/percutaneous kirschner wire fixation, minimally invasive reduction/internal fixation, and standard open reduction internal fixation.

However, for patients with proximal humerus tuberosity fracture and large humerus fracture accompanied by comminuted fracture around humeral neck or surgical neck, the fracture often accompanied by rotator cuff injury and poor intraoperative exposure, and due to the influence of the characteristics of proximal humerus blood supply, no locking plate can realize stable fixation conveniently under the condition of meeting the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a humerus near-end hone lamella realizes stabilizing the fixed action.

In order to solve the technical problem, the utility model provides a proximal humerus bone plate, which comprises an integrally formed head part, a rod part and a transition part, wherein the transition part is positioned between the head part and the rod part;

the head part is provided with a head part locking hole and a suture hole;

the rod part is provided with a rod part locking hole;

the stem portion and/or the transition portion are provided with suture holes.

The utility model provides a proximal humerus bone plate, set up the suture hole through increasing at pole portion and/or transition portion, so that make the stylolite pass the head of proximal humerus bone plate and the suture hole of pole portion and/or transition portion, the bone of the inboard comminuted fracture of the humerus neck of effective parcel humerus and surgery neck, avoided selecting too long screw and penetrating the joint or wear broken cortical bone for guaranteeing the stability of fixed proximal humerus bone plate, and do not influence the fixing system that head and the pole portion of proximal humerus bone plate of art proximal humerus formed, through sewing up hole and stylolite connection inboard muscle, realize the abundant parcel in inboard fracture position and joint, protect the inboard of humerus, do benefit to the recovery of postoperative, and is simple in operation, stable fixation is realized.

Drawings

Fig. 1 is a schematic structural diagram of a proximal humerus plate provided by the present invention;

fig. 2 is a schematic view illustrating the installation of the proximal humerus plate according to the present invention;

fig. 3 is a partial schematic view of the proximal humerus plate provided by the present invention.

Detailed Description

The core of the utility model is to provide a proximal humerus bone plate, which realizes the stable fixation.

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 and 2, an embodiment of the present invention provides a proximal humerus plate, which includes a head portion, a rod portion, and a transition portion, wherein the transition portion is located between the head portion and the rod portion; the head part is provided with a head locking hole 6 and a suture hole; the rod part is provided with a rod part locking hole 8; the stem portion and/or the transition portion are provided with suture holes.

The embodiment of the utility model provides a proximal humerus bone plate, set up the suture hole through increasing at pole portion and/or transition portion, so that make suture 300 pass the head of proximal humerus bone plate 100 and the suture hole of pole portion and/or transition portion, the bone of the inboard comminuted fracture of the humerus neck of effective parcel humerus 200 and the surgery neck, avoided selecting too long screw and penetrating the joint or pierce the cortex bone for guaranteeing the stability of fixed proximal humerus bone plate 100, and do not influence the fixing system that proximal humerus bone plate 100's head and pole portion formed in the art, connect inboard muscle through suture hole and suture 300, realize the abundant parcel in inboard fracture position and joint, protect the inboard of humerus 200, do benefit to the recovery of postoperative, and is simple in operation, stable fixation has been realized.

The embodiment of the utility model provides a proximal humerus bone plate can wear to establish the proximal humerus of suture 300 parcel humerus neck or surgical neck again after proximal humerus bone plate 100 is fixed. Is particularly suitable for the operation of proximal humerus fracture and fracture reduction accompanied with humeral neck or surgical neck.

In the operation process, the fracture part at the proximal end of the humerus 200 is exposed, and the fractured bone is clamped and reset by using a reset forceps or the fracture block is temporarily fixed by using a kirschner wire to maintain reset; selecting a proximal humerus bone plate with a proper specification, fitting the proximal humerus bone plate to a proper position, fixing the proximal humerus bone plate, selecting a screw with a proper length, screwing the screw in, and fixing the fracture part. The suture 300 is passed through the suture holes, the surrounding tissues are sutured, and the suture passes through the opposite suture holes from one circle to the other side of the inner side of the fracture to form a package (for example, in the embodiment that the rod part and the transition part are both provided with suture holes, after the suture 300 passes through the transition suture hole 7, the suture wraps the inner side of the humerus and then passes through the opposite suture holes of the rod part suture hole 9), so that the inner side fracture block is limited from multiple directions and is not easy to shift, the purpose of stable fixation is achieved, and the adaptability of the proximal humerus bone plate. In the fracture healing period, the humerus 200 can be supported on the inner side and can adapt to the growth direction of bone healing.

It is understood that the suture holes may be directly processed on the proximal humerus plate depending on the bone characteristics and fracture site of the patient. That is, the position and number of the suture holes can be properly adjusted according to the bone characteristics and the fracture site of the patient, for example, the position of the suture holes can be close to the proximal humerus or far from the proximal humerus. Only the suture hole processing on the proximal humerus plate is needed to be completed before the operation.

In the proximal humerus plate 100, the head, the stem and the transition part are integrally formed, and a better wrapping effect can be achieved through the deformation design of the proximal humerus plate 100.

The shape of the suture hole can be round, hook-shaped, rectangular or hexagonal, etc.

In the proximal humerus plate provided by the embodiment of the utility model, the suture holes arranged on the transition part comprise transition suture holes 7, and the transition suture holes 7 are positioned at the edge of the transition part; the number of the transitional suture holes 7 is at least two; and, at least two transitional suture holes 7 are distributed on both sides of the central axis of the proximal humerus plate. Preferably, the number of transitional suture holes 7 is an even number and is symmetrically disposed with respect to the medial axis of the proximal humerus plate 100. In the present embodiment, as shown in fig. 1, the number of the transitional suture holes 7 is two, and the two transitional suture holes are symmetrically disposed on both sides of the central axis of the proximal humerus plate 100. The passage of the suture 300 is facilitated by the transitional suture hole 7 being located at the edge of the transition. Other suture holes may be provided at the transition portion near the central axis of the proximal humerus plate 100, which is determined only by practical requirements and will not be described in detail herein.

Furthermore, the rod part is provided with a sewing hole comprising a rod part sewing hole 9, and the rod part sewing hole 9 is positioned at the edge of the rod part; the number of the rod part suture holes 9 is at least two; and, at least two rod suture holes 9 are distributed on both sides of the central axis of the proximal humerus plate. Preferably, the number of stem suture holes 9 is an even number and is symmetrically disposed with respect to the central axis of the proximal humerus plate. In this embodiment, the number of the rod suture holes 9 is two, and the two suture holes are symmetrically disposed on two sides of the central axis of the proximal humerus plate 100. The passage of the suture 300 is facilitated by the stem suture hole 9 being located at the edge of the stem. Other suture holes may be provided at the position of the shaft portion near the central axis of the proximal humerus plate 100, which is determined only according to practical requirements and will not be described in detail herein.

In the embodiment, the head is provided with the head suture holes; the number of the head suture holes is at least two and is distributed on two sides of the central axis of the proximal humerus plate. Preferably, the at least two cephalad suture holes are symmetrically disposed with respect to a central axis of the proximal humerus plate.

The transition suture holes 7, the rod suture holes 9 and the head suture holes are symmetrically arranged relative to the central axis of the proximal humerus plate, so that the bone can be wrapped more uniformly.

In this embodiment, the plurality of head sewing holes include a head sewing hole 1 provided at the head end of the head and a head edge sewing hole provided at the edge of the head. The plurality of head sewing holes can also be only the head sewing hole 1, namely, the head sewing hole is the head sewing hole 1 arranged at the head end of the head; alternatively, the plurality of cephalad suture holes are only cephalad edge suture holes, i.e., the cephalad suture holes are cephalad edge suture holes.

As shown in fig. 1, the number of the head portion edge sewing holes is four, and the four head portion edge sewing holes are a first head portion edge sewing hole 2 close to the head portion head end sewing hole 1 and a second head portion edge sewing hole 3 far from the head portion head end sewing hole 1. Wherein, the head end stitching hole 1 is positioned at the head end of the head; the head edge suture holes are located at the edge of the head to facilitate better wrapping of the bone. Only the head edge sewing hole or only the head end sewing hole 1 may be provided. Wherein, the head end of the head is the end of the head back to the rod part.

Further, the head is provided with at least two kirschner holes. In this embodiment, at least two k-holes are symmetrically disposed along the central axis of the proximal humerus plate. As shown in fig. 1, the plurality of kirschner holes includes an edge kirschner hole provided at an edge of the head portion and a central axis kirschner hole 13 provided on the central axis. The number of the first head kirschner holes is four, and the first head kirschner holes are a first edge kirschner hole 4 close to the head end of the head and a second edge kirschner hole 5 close to the head end of the head. The number of the first edge kirschner holes 4 and the second edge kirschner holes 5 is two and the first edge kirschner holes and the second edge kirschner holes are symmetrically arranged on two sides of the central axis of the proximal humerus plate.

The head is provided with at least two head locking holes. Preferably, at least two head locking holes are symmetrically disposed along the central axis of the proximal humerus plate. In this embodiment, the head locking holes include a first head locking hole 6 provided at an edge of the head and a second head locking hole 12 provided on the central axis. As shown in fig. 1, the number of the first head locking holes 6 is 8, and two by two are symmetrical and arranged along the extending direction of the head. The number of the second head locking holes 12 is one. The number and configuration of the head locking holes may be arranged in other types.

The head part is provided with a head part locking and pressurizing combined hole 11; the head locking compression combination hole 11 is provided on the medial axis of the proximal humerus plate. The head locking and pressurizing combined hole 11 not only can realize a locking function together with a locking screw, but also can realize pressurization on the humerus and pressurization and adhesion of a fracture line.

Furthermore, the rod part is provided with at least two rod part locking and pressurizing combination holes which are arranged along the extension direction of the rod part; at least two rod locking and pressurizing combination holes are arranged on the central axis of the proximal humerus plate. After the reduction and fixation of the head of the proximal humerus plate 100 are completed, the rod locking and pressurizing combination hole can not only realize the locking function together with the locking screw, but also realize the pressurization of the humerus shaft part and the pressurization and adhesion of the fracture line. In this embodiment, the stem-locking compression combination holes include a first stem-locking compression combination hole 8 near the head and a second stem-locking compression combination hole 10 far from the head. Wherein the transitional suture hole 7 is positioned between the first rod locking and pressurizing combination hole 8 and the first head locking hole 6; the rod portion suture hole 9 is located between the first rod portion locking pressurizing combination hole 8 and the second rod portion locking pressurizing combination hole 10. In this embodiment, the number of the second rod locking pressurizing combination holes 10 is two, and the number of the first rod locking pressurizing combination holes 8 is one.

In order to make the proximal humerus plate more conformable, the end of the stem portion is wedge-shaped. The tail end of the rod part is one end of the rod part back to the head part.

As shown in FIG. 3, in order to ensure the strength of the suture hole and facilitate the intraoperative penetration of the suture 300, the depth of the suture hole is a, and the thickness of the head end of the head is b; b/3 < a < b/2.

In this embodiment, the diameter of the suture hole is 1mm to 1.2mm, and the distance from the center of the suture hole to the edge of the proximal humerus plate 100 is about 3 mm. The thickness of the suture hole is 1/2-1/3 of the thickness of the head end of the head of the proximal humerus bone plate 100. Through the arrangement, the strength of the suture hole is ensured, and meanwhile, the suture line can be conveniently penetrated in the operation. The suture line 300 passes through the suture holes to connect the inner muscles, so that the inner fracture part is fully wrapped and jointed, better reconstruction of inner support is realized, and the threading wrapping mode among the suture holes can refer to fig. 2.

The proximal humerus plate provided by the present invention has been described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A proximal humerus plate, comprising an integrally formed head, a stem, and a transition portion, the transition portion being located between the head and the stem;

the head part is provided with a head part locking hole and a suture hole;

the rod part is provided with a rod part locking hole;

the stem portion and/or the transition portion are provided with suture holes.

2. The proximal humerus plate of claim 1, wherein the suture holes provided on the transition portion include at least two transition suture holes located at an edge of the transition portion;

at least two of the transitional suture holes are distributed on both sides of a central axis of the proximal humerus plate.

3. The proximal humerus plate of claim 1, wherein the suture holes provided on the stem portion include at least two stem suture holes located at an edge of the stem portion;

at least two of the rod suture holes are distributed on both sides of a central axis of the proximal humerus plate.

4. The proximal humerus plate of claim 1, wherein the suture holes provided on the head are head suture holes;

the number of the head suture holes is at least two and is distributed on two sides of the central axis of the proximal humerus plate.

5. The proximal humerus plate of claim 4, wherein the head suture hole is a head end suture hole provided at a head end of the head or a head edge suture hole provided at an edge of the head.

6. The proximal humerus plate of claim 1, wherein the head is further provided with at least two k-holes.

7. The proximal humerus plate of claim 1, wherein the head is provided with at least two of the head locking holes.

8. The proximal humerus plate of claim 1, wherein the head is further provided with a head locking compression combination hole;

the head locking and pressurizing combination hole is arranged on the central axis of the proximal humerus plate.

9. The proximal humerus plate according to claim 1, wherein the stem portion is further provided with at least two stem locking and pressurizing combination holes aligned in the extending direction of the stem portion;

at least two rod locking and pressurizing combination holes are arranged on the central axis of the proximal humerus plate.

10. The proximal humerus plate of claim 1, wherein the tail end of the stem portion is wedge-shaped.

11. The proximal humerus plate of any of claims 1-10, wherein the suture holes have a depth a, the head end thickness b;

b/3＜a＜b/2。