CN212879525U - Medical steel plate capable of being prolonged - Google Patents
Medical steel plate capable of being prolonged Download PDFInfo
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- CN212879525U CN212879525U CN202020676934.8U CN202020676934U CN212879525U CN 212879525 U CN212879525 U CN 212879525U CN 202020676934 U CN202020676934 U CN 202020676934U CN 212879525 U CN212879525 U CN 212879525U
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- steel sheet
- steel plate
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- screw hole
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Abstract
The utility model provides a medical steel sheet that can prolong, including outer steel sheet and interior steel sheet, outer steel sheet one end is equipped with the cavity, and in the cavity was arranged in to interior steel sheet one end, outer steel sheet was equipped with stop device with interior steel sheet junction for steel sheet is flexible in the restriction in the fixed. The utility model discloses arrange outer steel sheet cavity in with interior steel sheet, fix interior steel sheet in required position through stop device, can be according to patient's actual conditions, arbitrary extension steel sheet size reduces the infection that the outer support brought, avoids operation site to handle the steel sheet size, simple structure, convenient operation, the range of application is wide, and the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a medical steel sheet that can prolong.
Background
Femur, also known as thigh bone, thigh bone and bar, is the longest tubular bone in the human body. The upper end of the hip joint is formed by a femoral head and an acetabulum, and the lower end of the hip joint is formed by a patella and the upper end of a tibia to support the weight of the whole body.
Femoral fractures occur more readily at the proximal end and less frequently at the distal end. Fractures of the proximal end of the femur vary with age: a green branch fracture can occur in children; teenagers may develop epiphyseal displacement; adult dislocation of hip joint can occur; the old people are easy to have femoral head fracture.
Repair of bone defects, especially on the pressure side: in the internal fixation of femoral fractures, in addition to anatomical reduction of the fracture, repair of bone defects and restoration of bone integrity, particularly on the pressure side, are required, and even small bone defects can cause bone nonunion.
When the femoral bone defect is prolonged at present, the original femoral bone is not prolonged enough, and mostly needs to be prolonged by adopting an external bracket, but the external bracket occupies a larger space and is easy to infect; and the required extension size is different according to the self condition of the patient, and the steel plate is independently manufactured according to the actual condition of the patient, so that the production cost is high, and the application range is small.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a steel sheet, especially be applied to the thighbone bone defect specially, simple structure, convenient operation, arbitrary length extension, the range of application is wide, and occupation space is little, a medical steel sheet that can prolong that infects the probability low.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a medical steel sheet that can prolong, includes outer steel sheet and interior steel sheet, outer steel sheet one end is equipped with the cavity, interior steel sheet one end is arranged in the cavity, outer steel sheet with interior steel sheet junction is equipped with stop device, is used for fixing interior steel sheet, restriction interior steel sheet is flexible.
Further, stop device includes spring and buckle, the spring is arranged in inside the interior steel sheet, the spring both ends all are equipped with the buckle, the buckle exposes interior steel sheet both sides limit, both ends the buckle is arranged in the cavity, both ends the buckle respectively with the contact of cavity inner wall.
Furthermore, limiting grooves are formed in the inner walls of the two sides of the cavity, the shapes of the limiting grooves are the same as those of the buckles, and the buckles are arranged in the limiting grooves.
Further, be equipped with first screw hole on the outer steel sheet, first screw hole is a plurality of, and is a plurality of first screw hole equidistance distributes.
Furthermore, the first screw hole is a universal locking hole for fixing the outer steel plate at different angles.
Further, be equipped with the second screw hole on the interior steel sheet, the second screw hole is a plurality of, and is a plurality of the second screw hole equidistance distributes.
Furthermore, the second screw hole is a universal locking hole for fixing the inner steel plate at different angles.
Further, outer steel sheet with interior steel sheet contact jaw is outer steel sheet circular arc limit, is used for reducing outer steel sheet is right the soft tissue irritation of outer steel sheet avris.
Further, interior steel sheet do not with outer steel sheet contact jaw is interior steel sheet circular arc limit, is used for reducing interior steel sheet is right the soft tissue irritation of interior steel sheet avris.
Furthermore, the inner steel plate, the outer steel plate and the limiting device are all made of high polymer materials or medical metal materials.
The utility model has the advantages and positive effects that:
1. the utility model discloses arrange outer steel sheet cavity in with interior steel sheet, fix interior steel sheet in required position through stop device, can be according to patient's actual conditions, arbitrary extension steel sheet size reduces the infection that the outer support brought, avoids operation site to handle the steel sheet size, simple structure, convenient operation, the range of application is wide, and the practicality is strong.
2. The utility model discloses an including inside multiunit spring that sets up of steel sheet, the spring both ends set up the buckle, through buckle and outer steel sheet inner wall contact, it is spacing to realize interior steel sheet, only needs tensile patient's limbs during the extension, can reach the mesh of bone extension, stop device simple structure, convenient operation, low in production cost is fit for popularizing and applying.
3. The utility model discloses all set up first screw hole and second screw hole into universal locking hole, can improve fixed strength at the finite within range, with the preferred fixed thick direction of thighbone of screw, avoid the screw to get into the joint chamber to avoid the serious complication of iatrogenic source nature joint damage.
4. The utility model discloses an interior steel sheet and outer steel sheet edge all adopt the fillet design, have reduced the steel sheet and irritated the soft tissue of steel sheet avris, are favorable to the patient to resume. The steel plate is made of high polymer materials or medical metal materials, has good tissue compatibility, is close to the elastic modulus of human skeleton, meets the mechanical requirements, has less reaction and is beneficial to the body recovery and the activity of patients.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a cross-sectional view of the overall structure of the embodiment of the present invention.
In the figure:
1. outer steel plate circular arc edge 2, outer steel plate 3, first screw hole
4. Limiting device 5, second screw hole 6 and inner steel plate
7. Inner steel plate arc edge 8, cavity 9 and fastener
10. Spring 11, spacing recess.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiments of the present invention will be further described with reference to the accompanying drawings:
as shown in figure 1, a medical steel sheet that can prolong, including outer steel sheet 2 and interior steel sheet 6, outer steel sheet 2 one end is equipped with cavity 8, and cavity 8 is arranged in to interior steel sheet 6 one end, and outer steel sheet 2 is equipped with stop device 4 with interior steel sheet 6 junction for steel sheet 6 in fixed, steel sheet 6 is flexible in the restriction.
In the embodiment arranges interior steel sheet 6 in outer steel sheet 2 cavity 8, fix interior steel sheet 6 in required position through stop device 4, can be according to patient's actual conditions, arbitrary extension steel sheet size reduces the infection that the outer support brought, avoids operation site to handle the steel sheet size, simple structure, convenient operation, and the range of application is wide, and the practicality is strong.
Specifically, as shown in fig. 2, the outer steel plate 2 is provided with a plurality of first screw holes 3, and the first screw holes 3 are equidistantly distributed. The first screw hole 3 of this embodiment is a universal locking hole for fixing the outer steel plate 2 at different angles. The fixing strength can be improved within a limited range, the screw is preferably fixed to the thicker direction of the femur, and the screw is prevented from entering a joint cavity, so that serious complications of iatrogenic joint injury are avoided. The contact end of the outer steel plate 2 and the contact end of the inner steel plate 6 is not provided with an outer steel plate arc edge 1, so that the irritation of the outer steel plate 2 to soft tissues on the side of the outer steel plate 2 is reduced, and the recovery of a patient is facilitated.
Be equipped with second screw hole 5 on the interior steel sheet 6, second screw hole 5 is a plurality of, and 5 equidistance distributions of a plurality of second screw holes. The second screw hole 5 of this embodiment is a universal locking hole for fixing the inner steel plate 6 at different angles. The fixing strength can be improved within a limited range, the screw is preferably fixed to the thicker direction of the femur, and the screw is prevented from entering a joint cavity, so that serious complications of iatrogenic joint injury are avoided. The contact end of the inner steel plate 6 and the outer steel plate 2 is an inner steel plate arc edge 7, so that the soft tissue irritation of the inner steel plate 6 on the side of the inner steel plate is reduced, and the recovery of a patient is facilitated.
Stop device 4 is for being fixed outer steel sheet 2 and interior steel sheet 6, the device of preventing interior steel sheet 6 and outer steel sheet 2 relative motion. The limiting device 4 can be of various structures as long as the above functions are realized. The connection of the inner steel plate 6 and the outer steel plate 2 can be realized by screws and nuts. Stop device 4 that this embodiment provided includes spring 10 and buckle 9, and inside 6 inside steel sheets were arranged in to spring 10, spring 10 both ends all were equipped with buckle 9, 6 both sides limit of steel sheet in buckle 9 exposed, and in cavity 8 was arranged in to both ends buckle 9, both ends buckle 9 respectively with 8 inner wall contacts of cavity. Preferably, the inner walls of the two sides of the cavity 8 are provided with limiting grooves 11, the shapes of the limiting grooves 11 are the same as those of the buckles 9, and the buckles 9 are arranged in the limiting grooves 11.
This embodiment is through including 6 inside multiunit springs 10 that set up of steel sheet, and spring 10 both ends set up buckle 9, and through buckle 9 and the contact of 2 inner walls of outer steel sheet, it is spacing to realize interior steel sheet 6, only needs tensile patient's limbs during the extension, can reach the purpose of bone extension, and stop device 4 simple structure, convenient operation, low in production cost is fit for popularizing and applying.
The inner steel plate 6, the outer steel plate 2 and the limiting device 4 are all made of high polymer materials or medical metal materials. Good tissue compatibility, close to the elastic modulus of human skeleton, meeting the mechanical requirements, less reaction and being beneficial to the body recovery and activity of patients.
The utility model discloses a theory of operation is:
according to the actual required extension size, after pulling out cavity 8 with interior steel sheet 6, fixed through stop device 4. The steel plate is arranged at the position to be extended, and the inner steel plate 6 and the outer steel plate 2 are fixed to the position to be extended through screws. When the bone is prolonged, the aim of prolonging the bone can be achieved by only stretching the limbs of the patient, and the phenomenon that the external bracket occupies too large space and has too large influence on the life of the patient is avoided. Above-mentioned steel sheet is used for the bone transport can significantly reduce the bone infection, even skin is also pressed close to the steel sheet edge, avoids surrounding tissue to irritate, is favorable to the patient to resume.
The utility model has the advantages and positive effects that:
1. the utility model discloses arrange outer steel sheet cavity in with interior steel sheet, fix interior steel sheet in required position through stop device, can be according to patient's actual conditions, arbitrary extension steel sheet size reduces the infection that the outer support brought, avoids operation site to handle the steel sheet size, simple structure, convenient operation, the range of application is wide, and the practicality is strong.
2. The utility model discloses an including inside multiunit spring that sets up of steel sheet, the spring both ends set up the buckle, through buckle and outer steel sheet inner wall contact, it is spacing to realize interior steel sheet, only needs tensile patient's limbs during the extension, can reach the mesh of bone extension, stop device simple structure, convenient operation, low in production cost is fit for popularizing and applying.
3. The utility model discloses all set up first screw hole and second screw hole into universal locking hole, can improve fixed strength at the finite within range, with the preferred fixed thick direction of thighbone of screw, avoid the screw to get into the joint chamber to avoid the serious complication of iatrogenic source nature joint damage.
4. The utility model discloses an interior steel sheet and outer steel sheet edge all adopt the fillet design, have reduced the steel sheet and irritated the soft tissue of steel sheet avris, are favorable to the patient to resume. The steel plate is made of high polymer materials or medical metal materials, has good tissue compatibility, is close to the elastic modulus of human skeleton, meets the mechanical requirements, has less reaction and is beneficial to the body recovery and the activity of patients.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. A medical extendable steel plate, characterized in that: including outer steel sheet and interior steel sheet, outer steel sheet one end is equipped with the cavity, interior steel sheet one end is arranged in the cavity, outer steel sheet with interior steel sheet junction is equipped with stop device, is used for fixing interior steel sheet, restriction interior steel sheet is flexible.
2. The medical extensible steel plate according to claim 1, wherein: the limiting device comprises a spring and buckles, the spring is arranged in the inner steel plate, the buckles are arranged at two ends of the spring, the buckles are exposed out of two side edges of the inner steel plate, the buckles are arranged in the cavity, and the buckles are respectively contacted with the inner wall of the cavity.
3. The medical extensible steel plate according to claim 2, wherein: the inner walls of two sides of the cavity are provided with limiting grooves, the shapes of the limiting grooves are the same as those of the buckles, and the buckles are arranged in the limiting grooves.
4. The medical extensible steel plate according to any one of claims 1 to 3, wherein: be equipped with first screw hole on the outer steel sheet, first screw hole is a plurality of, and is a plurality of first screw hole equidistance distributes.
5. The medical extensible steel plate according to claim 4, wherein: the first screw hole is a universal locking hole and is used for fixing the outer steel plate at different angles.
6. The medical extensible steel plate according to any one of claims 1 to 3 or 5, wherein: be equipped with the second screw hole on the interior steel sheet, the second screw hole is a plurality of, and is a plurality of the second screw hole equidistance distributes.
7. The medical extensible steel plate according to claim 6, wherein: the second screw hole is a universal locking hole and is used for fixing the inner steel plate at different angles.
8. The medical extensible steel plate according to any one of claims 1 to 3, 5 or 7, wherein: the outer steel plate not with interior steel sheet contact jaw is outer steel sheet circular arc limit, is used for reducing outer steel sheet is right the soft tissue irritation of outer steel sheet avris.
9. The medical extensible steel plate according to any one of claims 1 to 3, 5 or 7, wherein: the inner steel plate is not connected with the outer steel plate contact end to form an inner steel plate arc edge, so that the inner steel plate is reduced and soft tissue irritation on the side of the inner steel plate is caused.
10. The medical extensible steel plate according to any one of claims 1 to 3, 5 or 7, wherein: the inner steel plate, the outer steel plate and the limiting device are all made of high polymer materials or medical metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676934.8U CN212879525U (en) | 2020-04-28 | 2020-04-28 | Medical steel plate capable of being prolonged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676934.8U CN212879525U (en) | 2020-04-28 | 2020-04-28 | Medical steel plate capable of being prolonged |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212879525U true CN212879525U (en) | 2021-04-06 |
Family
ID=75262477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020676934.8U Expired - Fee Related CN212879525U (en) | 2020-04-28 | 2020-04-28 | Medical steel plate capable of being prolonged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212879525U (en) |
-
2020
- 2020-04-28 CN CN202020676934.8U patent/CN212879525U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |