CN210697788U - Master-slave interlocking intramedullary nail - Google Patents
Master-slave interlocking intramedullary nail Download PDFInfo
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- CN210697788U CN210697788U CN201920728147.0U CN201920728147U CN210697788U CN 210697788 U CN210697788 U CN 210697788U CN 201920728147 U CN201920728147 U CN 201920728147U CN 210697788 U CN210697788 U CN 210697788U
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- nail
- butt joint
- rod
- nail rod
- joint part
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Abstract
The utility model belongs to the technical field of medical equipment, in particular to a master-slave interlocking intramedullary nail, which comprises a front end, a lower nail rod, a first butt joint part, a nut, a second butt joint part, an upper nail rod and a tip part, wherein the front end and the lower nail rod are integrally formed; through setting up a plurality of that bending angle is different down the nail pole, just down the nail pole passes through first butt joint portion, with go up the nail pole pass through between the second butt joint portion the nut links up fixedly, thereby through selecting different bending angle down the nail pole with it makes up to go up the nail pole to the different patient's of adaptation condition makes the patient's of laminating condition more, the patient's of being convenient for patient thighbone part's restoration and healing more, has strengthened the efficiency that the practicality is strong, compensaties some not enough of gamma nail, solves the single problem of product in the clinical use of thighbone treatment.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a master-slave interlocking intramedullary nail.
Background
The master-slave interlocking intramedullary nail is used for treating open or closed femoral neck fracture in orthopedic surgery; the development of the primary and secondary interlocking intramedullary nail is an important medical instrument for fixing the internal fixation of the multi-section fracture of the femur, and the primary and secondary interlocking intramedullary nail has similar functions with a gamma nail and is suitable for the fracture of the neck of the femur.
Because the uncertainty of femoral fracture, the surgeon probably has certain deviation when selecting the product, needs to be stocked in the clinical process fully, avoids product singleness in the clinical use to and the integral type is not convenient for select the combination to use to different angle of buckling.
SUMMERY OF THE UTILITY MODEL
The utility model provides a primary and secondary interlocking intramedullary nail aims at solving because femoral fracture's uncertainty, and the surgeon probably has certain deviation when selecting the product, and clinical in-process needs the stock multiple, avoids product singleness in the clinical use to and the integral type be not convenient for select the problem of combination use to the different angle of buckling.
The utility model discloses a realize like this, a master-slave interlocking intramedullary nail, including front end, lower nail pole, first butt joint portion, nut, second butt joint portion, go up nail pole and tip, front end and lower nail pole integrated into one piece, first butt joint portion fixed connection in nail pole down, first butt joint portion is located nail pole is kept away from down the one end of front end, the nut spiro union in first butt joint portion with second butt joint portion, the nut is located first butt joint portion with the surface of second butt joint portion, go up nail pole fixed connection in second butt joint portion, it is located to go up the nail pole the top of second butt joint portion, the tip with go up nail pole integrated into one piece.
Preferably, the end face of the end part is arranged in a T shape, and the end part is positioned at the upper end of the upper nail rod.
Preferably, nail holes are formed in the lower nail rod and the upper nail rod, and the nail holes penetrate through the lower nail rod and the upper nail rod.
Preferably, the inside of the nail hole is inserted with a locking nail, and the locking nail is in a bolt shape.
Preferably, the number of the nail holes and the number of the locking nails are four, the nail holes and the locking nails are divided into two groups, and two groups are arranged up and down.
Preferably, the nail hole with the locking nail is the slope setting, and two sets of the inclination of locking nail is different.
Preferably, the first butt joint part and the lower nail rod are integrally formed, and the second butt joint part and the upper nail rod are integrally formed.
Preferably, the upper nail rod and the lower nail rod are bent, and the number of the lower nail rods is at least two.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a primary and secondary interlocking intramedullary nail, a plurality of through setting up the bending angle difference nail pole down, just down the nail pole passes through first butt joint portion, with go up the nail pole pass through between the second butt joint portion the nut links up fixedly, thereby through selecting different bending angle down the nail pole with go up the nail pole and make up to the different patient's of adaptation condition makes the patient's of laminating condition more, the partial restoration and the healing of patient's thighbone of being convenient for more, simultaneously the tip of going up the nail pole sets up to T type terminal surface, provides stronger stability for the thighbone near-end of early heavy burden, has strengthened the efficiency that the practicality is strong, remedies some not enough of gamma nail, solves the single problem of product in the thighbone treatment clinical use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic structural view of the middle butt joint part of the present invention;
in the figure: 1. a front end; 2. a nail rod is arranged; 3. nailing holes; 4. a first mating portion; 5. a nut; 6. a second docking portion; 7. a nail rod is arranged; 8. an end portion; 9. and (6) locking the nail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a primary and secondary interlocking intramedullary nail, including front end 1, down nail pole 2, first butt joint portion 4, nut 5, second butt joint portion 6, go up nail pole 7 and tip 8, front end 1 and 2 integrated into one piece of nail pole down, 4 fixed connection of first butt joint portion are in nail pole 2 down, first butt joint portion 4 is located the one end that front end 1 was kept away from to nail pole 2 down, nut 5 spiro union is in first butt joint portion 4 and second butt joint portion 6, nut 5 is located the surface of first butt joint portion 4 and second butt joint portion 6, go up nail pole 7 fixed connection in second butt joint portion 6, it is located the top of second butt joint portion 6 to go up nail pole 7, tip 8 and last nail pole 7 integrated into one piece.
In the embodiment, when the device is used, firstly, a doctor selects the corresponding lower nail rod 2 according to the degree of the positioning correction assistance required by the femoral part of a patient, then the first butt joint part 4 of the lower nail rod 2 is screwed by the nut 5, then the second butt joint part 6 of the upper nail rod 7 is screwed with the other side of the nut 5, so that the upper nail rod 7 and the lower nail rod 2 are combined, then the femoral part of the patient is operated, then the front end 1 of the lower nail rod 2 is inserted into the femoral bone of the patient, then the slow lower nail rod 2, the slow upper nail rod 7 and the end part 8 are all arranged in the femoral bone of the patient, the corresponding angle and the position are adjusted, and then the locking nail 9 is inserted into the locking hole through skin and is fixed, so that the upper nail rod 7 and the lower nail rod 2 are fixed on the femoral part of the patient for the recovery of the patient.
Further, the end surface of the end portion 8 is provided with a T shape, and the end portion 8 is positioned at the upper end of the upper nail rod 7.
In the embodiment, the proximal end surface of the end part 8 is designed to be a T-shaped end surface, so that stronger stability is provided for the proximal end of the femur which bears the weight in the early stage, and meanwhile, limitation is made on the stability of the upper nail rod 7, and the upper end of the upper nail rod 7 is prevented from shaking.
Further, nail hole 3 has all been seted up to the inside of nailing pole 2 down and last nail pole 7, and nail hole 3 runs through nailing pole 2 down and last nail pole 7.
In the embodiment, the nail holes 3 penetrating through the upper nail rod 7 and the lower nail rod 2 are arranged in the upper nail rod and the lower nail rod 2 and used for the bolt connection installation of the lock nails 9, so that the upper nail rod 7 and the lower nail rod 2 are fixed, and the femoral joint is bound and used for assisting the femoral joint.
Furthermore, a locking nail 9 is inserted into the nail hole 3, and the locking nail 9 is in a bolt shape.
In the present embodiment, the bolt-shaped locking nail 9 is used to fix the upper nail bar 7 and the lower nail bar 2 by screwing the locking nail 9 into the nail hole 3, thereby preventing the rotation or displacement of the upper nail bar 7 and the lower nail bar 2, and ensuring the femoral stability by the auxiliary support of the femoral bone.
Further, the number of the nail holes 3 and the number of the locking nails 9 are four, the nail holes are divided into two groups, and two groups are arranged up and down.
In this embodiment, set up four nail holes 3 and staple 9, and belong to nail pole 7 and nail pole 2 down separately, the multiunit has increased stability and security for nail pole 7 and nail pole 2 stability more can not produce and rock etc. down.
Further, the nail holes 3 and the locking nails 9 are obliquely arranged, and the inclination angles of the two groups of locking nails 9 are different.
In the embodiment, the inclined nail hole 3 is arranged to match with the locking nail 9 which needs to be arranged obliquely, and the oblique arrangement of the locking nail 9 is used for fixing the upper nail rod 7 and the lower nail rod 2 in the human body, so that the upper nail rod 7 and the lower nail rod 2 are prevented from being separated and displaced.
Further, the first butt joint part 4 is integrally formed with the lower nail rod 2, and the second butt joint part 6 is integrally formed with the upper nail rod 7.
In this embodiment, the first butt joint portion 4 and the second butt joint portion 6 are both fixed by engagement of the nut 5 for fixing the upper shank 7 and the selected lower shank 2 to form a corresponding curvature arc for performing an implant operation between strands of a patient.
Furthermore, the upper nail rod 7 and the lower nail rod 2 are arranged to be bent, and the number of the lower nail rods 2 is at least two.
In the embodiment, the upper nail rod 7 and the lower nail rod 2 are bent to adapt to the radian of the femoral joint part of the human body, the nail rods 2 with different radians are selected according to the personal injury position and the position needing to be bound, and the most suitable lower nail rod 2 is selected from a plurality of alternative lower nail rods 2 to be matched with the upper nail rod 7 for operation.
The utility model discloses a theory of operation and use flow: firstly, a doctor selects a corresponding lower nail rod 2 according to the auxiliary degree of the positioning correction of the femoral part of a patient, then a first butt joint part 4 of the lower nail rod 2 is screwed by a nut 5, then a second butt joint part 6 of an upper nail rod 7 is screwed with the other side of the nut 5, so that the upper nail rod 7 and the lower nail rod 2 are combined, then an operation is performed on the femoral part of the patient, then the front end 1 of the lower nail rod 2 is inserted into the femoral bone of the patient, then the slow lower nail rod 2, the slow upper nail rod 7 and the end part 8 are all arranged in the femoral bone of the patient, the corresponding angle and position are adjusted, then a lock nail 9 penetrates through skin and is inserted into a lock hole to be fixed, and then the upper nail rod 7 and the lower nail rod 2 are fixed on the femoral part of the patient for the recovery of the patient.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The master-slave interlocking intramedullary nail is characterized by comprising a front end (1), a lower nail rod (2), a first butt joint part (4), a nut (5), a second butt joint part (6), an upper nail rod (7) and a tip (8), wherein the front end (1) and the lower nail rod (2) are integrally formed, the first butt joint part (4) is fixedly connected with the lower nail rod (2), the first butt joint part (4) is positioned at one end, far away from the front end (1), of the lower nail rod (2), the nut (5) is in threaded connection with the first butt joint part (4) and the second butt joint part (6), the nut (5) is positioned on the outer surfaces of the first butt joint part (4) and the second butt joint part (6), the upper nail rod (7) is fixedly connected with the second butt joint part (6), and the upper nail rod (7) is positioned above the second butt joint part (6), the end part (8) and the upper nail rod (7) are integrally formed.
2. A master-slave interlocking intramedullary nail according to claim 1, characterized in that the end surface of said end portion (8) is provided with a T-shape and said end portion (8) is located at the upper end of said upper shank (7).
3. The master-slave interlocking intramedullary nail according to claim 1, wherein nail holes (3) are formed in the lower nail rod (2) and the upper nail rod (7), and the nail holes (3) penetrate through the lower nail rod (2) and the upper nail rod (7).
4. The interlocking intramedullary nail according to claim 3, characterized in that a locking nail (9) is inserted into the nail hole (3), and the locking nail (9) is configured in a bolt shape.
5. A master-slave interlocking intramedullary nail according to claim 4, characterized in that said nail holes (3) and said locking nails (9) are provided in four groups of two, two arranged one above the other.
6. A master-slave interlocking intramedullary nail according to claim 5, characterized in that said nail holes (3) and said locking nails (9) are arranged obliquely and the inclination angles of the two groups of said locking nails (9) are different.
7. The master-slave interlocking intramedullary nail according to claim 1, characterized in that said first butt-joint portion (4) is formed integrally with said lower shank (2) and said second butt-joint portion (6) is formed integrally with said upper shank (7).
8. A master-slave interlocking intramedullary nail according to claim 1, characterized in that a curvature is provided between said upper shank (7) and said lower shank (2) and the number of said lower shank (2) is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728147.0U CN210697788U (en) | 2019-05-21 | 2019-05-21 | Master-slave interlocking intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728147.0U CN210697788U (en) | 2019-05-21 | 2019-05-21 | Master-slave interlocking intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210697788U true CN210697788U (en) | 2020-06-09 |
Family
ID=70938231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920728147.0U Expired - Fee Related CN210697788U (en) | 2019-05-21 | 2019-05-21 | Master-slave interlocking intramedullary nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210697788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842631A (en) * | 2020-12-31 | 2021-05-28 | 上海晟实医疗器械科技有限公司 | 3D prints full knee joint prosthesis of thighbone intramedullary nail |
-
2019
- 2019-05-21 CN CN201920728147.0U patent/CN210697788U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842631A (en) * | 2020-12-31 | 2021-05-28 | 上海晟实医疗器械科技有限公司 | 3D prints full knee joint prosthesis of thighbone intramedullary nail |
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| 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: 20200609 Termination date: 20210521 |