CN210204898U - Guide plate is implanted to thighbone neck hollow nail percutaneous - Google Patents
Guide plate is implanted to thighbone neck hollow nail percutaneous Download PDFInfo
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- CN210204898U CN210204898U CN201920847428.8U CN201920847428U CN210204898U CN 210204898 U CN210204898 U CN 210204898U CN 201920847428 U CN201920847428 U CN 201920847428U CN 210204898 U CN210204898 U CN 210204898U
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Abstract
The utility model relates to a thighbone neck hollow nail percutaneous implantation guide plate, which comprises a guide plate with an arc-shaped inner side, wherein the upper part of the guide plate is provided with a flange part which is integrally formed with the guide plate, the outer side surface of the flange part is flush with the outer side surface of the guide plate, and the thickness of the flange part is smaller than that of the guide plate; two groups of screws are arranged on the flange part, the end parts of the two groups of screws are connected with a metal baffle plate, and the metal baffle plate is positioned above the inner side of the guide plate; the guide plate is provided with a plurality of inclined guide holes, the angle of an obtuse angle formed between the central axis of each inclined guide hole and a vertical line is 115 degrees, the inclined guide holes in the guide plate are provided with forward inclination angles, the angle of each forward inclination angle is the same as that of a human femoral neck, and four inclined guide holes in the plurality of inclined guide holes are internally provided with metal guide pipes; the plurality of inclined guide holes can be assembled into different inverted isosceles triangles to be used as nail placing positions. The utility model discloses three pieces of hollow nails in can swiftly, accurate, implant the thighbone neck effectively reduce the perspective number of times, shorten the operation time.
Description
Technical Field
The utility model relates to a medical auxiliary assembly field, more specifically the utility model relates to a thighbone neck hollow nail percutaneous implantation baffle that says so.
Background
The fracture of the neck of femur is the most common type in the fracture of the hip, and as the neck of femur needs to bear the movement and support functions of the human body in the upright state, the treatment effect will directly affect the future life quality of the patient.
At present, the main method for treating femoral neck fracture is a hollow nail internal fixation mode, namely 3 hollow nails are utilized to fix the fractured femoral head and the femoral shaft part together according to the original physiological anatomical structure of a patient. The key technology is to accurately identify the physiological structure of the individual patient and accurately implant the hollow nail into an ideal fixed position. The conventional method is commonly used to perform surgical positioning by visually observing the angle and distance of the surgical instrument relative to the path of the surgical object in the normal and lateral X-ray images, and the surgeon manually adjusting the surgical instrument to coincide with the ideal surgical path. This method has the following disadvantages: (1) the implantation of the hollow nail completely depends on the experience and skill of a doctor, and the positioning difficulty of a surgical instrument is high; (2) generally, the surgical instruments are manually held by doctors, and can shift and shake to shift the implantation position, so that the surgical precision is reduced, and the surgical quality is affected; (3) the number of times of fluoroscopy is large, and the operation time is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the weak point of prior art, provide a baffle is implanted to thighbone neck hollow nail percutaneous, can swiftly, accurate, implant three pieces of hollow nails in the thighbone neck effectively, reduce the perspective number of times, shorten the operation time.
The technical solution of the utility model is as follows:
the femoral neck hollow nail percutaneous implantation guide plate comprises a guide plate with an arc-shaped inner side, wherein a flange part integrally formed with the guide plate is arranged at the upper part of the guide plate, the outer side surface of the flange part is flush with the outer side surface of the guide plate, and the thickness of the flange part is smaller than that of the guide plate; two groups of screws are arranged on the flange part, the end parts of the two groups of screws are connected with a metal baffle plate, and the metal baffle plate is positioned above the inner side of the guide plate; the guide plate is provided with a plurality of inclined guide holes, the angle of an obtuse angle formed between the central axis of each inclined guide hole and a vertical line is 115 degrees, and four inclined guide holes in the plurality of inclined guide holes are internally provided with metal guide pipes; a plurality of the oblique guide holes can be assembled into different inverted isosceles triangles to be used as nail placing positions.
And a handheld part which is integrally formed with the guide plate is arranged on the outer side surface of the guide plate and below the flange part.
Preferably, the arc-shaped surface on the inner side of the guide plate is matched with the structure of the outer side of the thigh of the human body, and the arc-shaped surface is clung to the outer side of the thigh.
Preferably, the oblique guide hole on the guide plate is provided with an anteversion angle of 15 degrees, and the angle of the anteversion angle is the same as that of the human femoral neck.
Preferably, the screw is adjustable, so that the gap between the guide plate and the femoral shaft is adjusted to adjust the size of the cervical shaft angle.
Preferably, the metal baffle is of a runway-type structure, and the thickness of the metal baffle is 1.5 mm.
Preferably, the inclined guide holes are round holes, three of the four inclined guide holes with metal conduits are arranged in an inverted triangle structure, and the other inclined guide hole with metal conduit is positioned right below the inverted triangle structure.
Preferably, at least 9 groups of the inclined guide holes are arranged around the four inclined guide holes with the metal guide pipes.
The beneficial effects of the utility model reside in that:
the utility model discloses three pieces of hollow nails of mainly used in swift, accurate, implantation thighbone neck effectively reduce the perspective number of times, shorten operation time, distribute three pieces of hollow nails more evenly reasonable for it is fixed more effective.
The upper part of the guide plate of the utility model is provided with the flange part which is integrally formed with the guide plate, the outer side surface of the flange part is flush with the outer side surface of the guide plate, and the thickness of the flange part is less than that of the guide plate; the flange part is provided with two groups of screws, the end parts of the two groups of screws are connected with a metal baffle plate, the metal baffle plate is positioned above the inner side of the guide plate, and the metal baffle plate and the two groups of screws are arranged, so that one of the purposes is that the development can be facilitated in the aspect of image projection development, the position of the guide plate under perspective can be known, and the distance between the guide plate and the vertex of the femoral tuberosity can be known; the second purpose is to adjust the gap between the guide plate and the femoral shaft through the screws so as to adjust the size of the cervical shaft angle, the two screws are screwed inwards, the near end of the guide plate is far away from the femoral shaft, so that the angle of the guide hole is increased, otherwise, the cervical shaft angle is decreased, for example, the cervical shaft angle of some people is 130 degrees, the two screws are required to be screwed inwards, the near end of the guide plate is far away from the femoral shaft, the angle between the guide plate and the femoral shaft is increased so as to achieve the effect of increasing the front inclination angle, and the positions of the screws are more standard.
The utility model discloses be equipped with a plurality of oblique guide holes on the baffle, the central axis of oblique guide hole and the obtuse angle α's that forms between the vertical line angle are 115, a plurality of oblique guide hole in have four to one side the built-in metal pipe that is equipped with of guide hole, metal pipe convenient location and reference.
Drawings
The invention will be further explained with reference to the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic view of the front rake angle of the slant guide hole according to the present invention;
FIG. 4 is a schematic view of a metal baffle according to the present invention;
fig. 5 is a schematic structural view of 15 groups of oblique guide holes according to the present invention;
in the figures 1-5, the device comprises a guide plate 1, a handheld part 101, an arc-shaped surface 102, a flange part 2, a screw 3, a metal baffle 4, an inclined guide hole 5, a metal guide pipe 6, a guide needle 7, a nail placing group a8, a nail placing group b9, a nail placing group c10, a nail placing group d11, a neck shaft angle α and a front rake angle β.
Detailed Description
In the embodiment, as shown in the attached figures 1-5, the guide plate for percutaneous implantation of the femoral neck hollow nail comprises a guide plate 1 with an arc-shaped inner side, the guide plate is in a shallow arc section and is convenient to cling to the outer side of a thigh, a flange part 2 integrally formed with the guide plate is arranged at the upper part of the guide plate, the outer side surface of the flange part is flush with the outer side surface of the guide plate, the thickness of the flange part is smaller than that of the guide plate, two groups of screws 3 are arranged on the flange part, a metal baffle plate 4 is connected to the end part of each group of screws, the metal baffle plate is positioned above the inner side of the guide plate, the metal baffle plate and the two groups of screws are convenient to develop, the position of the guide plate under perspective is known, a plurality of oblique guide holes 5 are arranged on the guide plate, the angle of an obtuse angle α formed between the central axis of the oblique guide holes and a vertical line is 115 degrees, the angle of α degrees is the angle of a shaft angle, the angle formed between the long axis of the femoral neck and the longitudinal axis is called the shaft angle, the range of the shaft angle of a human body is 110-140 degrees, the oblique guide holes are fixed, the guide holes need to be adjusted by adjusting screws to adjust the size of the guide plate.
And a handheld part 101 which is integrally formed with the guide plate is arranged on the outer side surface of the guide plate and below the flange part, and the handheld part is convenient for people to hold the guide plate.
The arc-shaped surface 102 on the inner side of the guide plate is matched with the structure of the outer side of the thigh of the human body, and the arc-shaped surface is tightly attached to the outer side of the thigh.
The inclined guide hole on the guide plate is provided with a 15-degree front inclination angle β, and the angle of the front inclination angle is the same as that of the human femoral neck, because the femoral neck of a normal person is provided with the 15-degree front inclination angle, in order to match the angle when the hollow screw is implanted, and the direction is accurate, the inclined guide hole on the guide plate is provided with the 15-degree front inclination angle, because the human body structure of each person is different, the front inclination angle of some people cannot be exactly 15 degrees, the front inclination angle of the human body is normally within the range of 10-20 degrees, and when the device is clinically used, the front inclination angle is finely adjusted by hand pressing and skin contact.
The screw is adjustable, so that the gap between the guide plate and the femoral shaft is adjusted to adjust the size of the cervical shaft angle. The size of each person in front of the jugular stem angle is different, generally 110-140 degrees, and 127 degrees are averaged, and the two screws designed by the guide plate have two purposes: one is in the aspect of image projection development, the position of the guide plate can be displayed and displayed, and the distance from the vertex of the femoral tuberosity is further reduced, and the second purpose is as follows: the gap between the guide plate and the femoral shaft is adjusted through the screws, so that the cervical shaft angle is adjusted, the two screws are screwed inwards, the near end of the guide plate is far away from the femoral shaft, the angle of the guide hole is increased, otherwise, the angle of the original guide hole is 115 degrees, if the cervical shaft angle of some people is 130 degrees, the two screws are required to be screwed inwards, the near end of the guide plate is far away from the femoral shaft, the angle between the guide plate and the femoral shaft is increased, the effect of increasing the anteversion angle is achieved, and the positions of the screws are more standard.
The metal baffle plate is of a runway-shaped structure, and the thickness of the metal baffle plate is 1.5 mm.
In this embodiment, a plurality of the oblique guide holes can be assembled into different inverted isosceles triangles as the nail placing positions.
Referring to fig. 5, the guide plate is provided with 15 sets of slant guide holes, wherein the positions of four of the slant guide holes with metal guide tubes form a set nail a8, and the positions of the other 11 sets of slant guide holes are formed by a set nail b9 formed by moving the set nail a leftwards and downwards, a set nail c10 formed by moving the set nail a downwards, and a set nail d11 formed by moving the set nail a rightwards and downwards, wherein the set nail a and the set nail c share one slant guide hole with metal guide tubes. Put nail group a8, put nail group b9, put nail group c10 and put nail group d11 and can form two sets of inverted triangle structures respectively, can form 8 sets of inverted triangle structures like this and regard as putting the nail position to satisfy different heights, the patient of different structures uses.
The inclined guide holes are round holes, three of the four inclined guide holes with the metal guide pipes are arranged in an inverted triangle structure, the other inclined guide hole with the metal guide pipes is positioned right below the inverted triangle structure, when the nail placing device is used, a group of inclined guide holes arranged in an inverted triangle can be selected according to the body structures of different people to serve as nail placing positions, the four guide holes are arranged in an inverted triangle and are the most likely to be used guide pins, the rule of the nail placing device is that the inclined guide holes are arranged according to the optimal position of a femoral neck fracture hollow screw for nailing, the arrangement of three inverted triangle hollow screws is the currently recognized optimal internal fixing mode, and the three inclined guide holes with the metal guide pipes are convenient to develop but do not interfere with perspective images too much.
Therefore, in the operation process, the user can predict firstly, choose a metal inclined guide hole 5-7 cm below the rotor to drive in the guide pin, find the position of the guide pin through the front side position, and then adjust the positions of 2-3 other guide pins, namely, choose three holes to be inverted triangles at will, so as to achieve the effect of rapid positioning and fixing.
The utility model discloses application method: firstly, carrying out closed traction reduction on femoral neck fracture, fixing the closed traction reduction on an orthopedic traction bed, after the upper traction bed is fixed, disinfecting and paving a towel after satisfying fracture reduction through C-arm perspective, then placing a guide plate on the outer side of thigh, fixing the guide plate by using a disinfection pasting film, selecting an inclined guide hole with a metal guide tube to implant a guide needle 7, knowing the position of the guide plate and the position of the guide needle through C-arm perspective, judging whether the guide plate is inclined forwards or inclined backwards, whether the guide plate is inclined upwards or downwards, and whether the angle of the shaft of the neck and the angle of the front head are approximately consistent, then adjusting the angle of the shaft of the neck by two screws 3, generally selecting three inclined guide holes which are arranged in an inverted triangle through other selectable inclined guide holes on the guide plate, enabling the three most suitable guide holes to form an inverted triangle, after one guide needle is implanted into each inclined guide hole, taking down the guide plate and measuring the length of the guide needle under the condition, the cannulated screws are then implanted one by one.
The above embodiments are specific descriptions of the present invention, and are only further descriptions of the present invention, which should not be construed as limitations of the protection scope of the present invention, and some non-essential modifications and adjustments made by those skilled in the art according to the above embodiments are all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a thighbone neck hollow nail percutaneous implantation baffle which characterized in that: the guide plate comprises a guide plate with an arc-shaped inner side, wherein a flange part integrally formed with the guide plate is arranged at the upper part of the guide plate, the outer side surface of the flange part is flush with the outer side surface of the guide plate, and the thickness of the flange part is smaller than that of the guide plate; two groups of screws are arranged on the flange part, the end parts of the two groups of screws are connected with a metal baffle plate, and the metal baffle plate is positioned above the inner side of the guide plate; the guide plate is provided with a plurality of inclined guide holes, the angle of an obtuse angle formed between the central axis of each inclined guide hole and a vertical line is 115 degrees, and four inclined guide holes in the plurality of inclined guide holes are internally provided with metal guide pipes; a plurality of the oblique guide holes can be assembled into different inverted isosceles triangles to be used as nail placing positions.
2. The femoral neck cannulated nail percutaneous implantation guide plate of claim 1, wherein: and a handheld part which is integrally formed with the guide plate is arranged on the outer side surface of the guide plate and below the flange part.
3. The femoral neck cannulated nail percutaneous implantation guide plate of claim 1, wherein: the arc-shaped surface on the inner side of the guide plate is matched with the structure of the outer side of the thigh of a human body, and the arc-shaped surface is tightly attached to the outer side of the thigh.
4. The femoral neck cannulated nail percutaneous implantation guide plate of claim 1, wherein: the inclined guide hole on the guide plate is provided with a 15-degree anteversion angle, and the angle of the anteversion angle is the same as that of the human femoral neck.
5. The femoral neck cannulated nail percutaneous implantation guide plate of claim 1, wherein: the screw is adjustable, so that the gap between the guide plate and the femoral shaft is adjusted to adjust the size of the cervical shaft angle.
6. The femoral neck cannulated nail percutaneous implantation guide plate of claim 1, wherein: the metal baffle plate is of a runway-shaped structure, and the thickness of the metal baffle plate is 1.5 mm.
7. The femoral neck cannulated nail percutaneous implantation guide plate of claim 1, wherein: the inclined guide holes are round holes, three of the four inclined guide holes with the metal guide pipes are arranged in an inverted isosceles triangle structure, and the other inclined guide hole with the metal guide pipe is positioned under the inverted isosceles triangle structure.
8. The femoral neck cannulated nail percutaneous implantation guide plate of claim 7, wherein: the guide plate is provided with 15 groups of inclined guide holes, wherein the positions of four inclined guide holes with metal guide pipes form a nail placing group a, the positions of the other 11 groups of inclined guide holes are formed by a nail placing group b formed by moving the nail placing group a downwards leftwards, a nail placing group c formed by moving the nail placing group a downwards and a nail placing group d formed by moving the nail placing group a downwards rightwards, and the nail placing group a and the nail placing group c share one inclined guide hole with the metal guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920847428.8U CN210204898U (en) | 2019-06-06 | 2019-06-06 | Guide plate is implanted to thighbone neck hollow nail percutaneous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920847428.8U CN210204898U (en) | 2019-06-06 | 2019-06-06 | Guide plate is implanted to thighbone neck hollow nail percutaneous |
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| Publication Number | Publication Date |
|---|---|
| CN210204898U true CN210204898U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920847428.8U Active CN210204898U (en) | 2019-06-06 | 2019-06-06 | Guide plate is implanted to thighbone neck hollow nail percutaneous |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110074855A (en) * | 2019-06-06 | 2019-08-02 | 嘉兴市第二医院 | A kind of femur neck hollow nail is percutaneously implantable guide plate |
| CN110074855B (en) * | 2019-06-06 | 2024-06-28 | 嘉兴市第二医院 | Percutaneous implantation guide plate for femur neck hollow nail |
-
2019
- 2019-06-06 CN CN201920847428.8U patent/CN210204898U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110074855A (en) * | 2019-06-06 | 2019-08-02 | 嘉兴市第二医院 | A kind of femur neck hollow nail is percutaneously implantable guide plate |
| CN110074855B (en) * | 2019-06-06 | 2024-06-28 | 嘉兴市第二医院 | Percutaneous implantation guide plate for femur neck hollow nail |
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