CN115998406A - Femur neck fracture hollow nail positioner - Google Patents
Femur neck fracture hollow nail positioner Download PDFInfo
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- CN115998406A CN115998406A CN202310210217.4A CN202310210217A CN115998406A CN 115998406 A CN115998406 A CN 115998406A CN 202310210217 A CN202310210217 A CN 202310210217A CN 115998406 A CN115998406 A CN 115998406A
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- neck fracture
- femoral neck
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Abstract
The invention relates to the technical field of medical appliances, in particular to a femur neck fracture hollow nail positioner, which comprises a working part and a handle, wherein two groups of working sleeves are arranged in parallel, the working sleeves are provided with guide holes for guiding steel needles to penetrate, an operator holds a handle to position and insert a first steel needle through the working sleeve at the head end of the working part, and the rest group of working sleeves are the insert position and direction of a second steel needle; in the femoral neck fracture repairing process, after the position of the first steel needle is found, the position of the second steel needle and the position of the third steel needle can be quickly obtained through pushing by two groups of parallel working sleeves, so that the operation efficiency of an operator is improved, and repeated placement and positioning are avoided; one group of working sleeves slides in the connecting groove that the working part was equipped with, carries out the regulation with the interval between the fixed position working sleeve, the interval of position is put into to the steel needle promptly, and connecting groove one side is equipped with the scale mark simultaneously, and the operator of being convenient for adjusts, carries out the location work that different interval steel needles were put into.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a hollow nail positioner for femoral neck fracture.
Background
Femoral neck fractures are the most common injuries to the hip, with the incidence of fractures at the distal end of the flexible bone being second only in systemic fractures. The fracture is caused by careless falling during walking and the hip is landed, so that the hip is painful after injury, and the patient can not stand and walk. Fracture of the femoral neck of young people is often caused by strong violence such as car accidents or high-place injury. Most of the femoral neck fractures have a relatively significant shift, and because the leverage at this location is large, the fracture is unstable, and therefore, surgical treatment is most needed.
In the operation of treating the femoral neck fracture, the method generally adopted is closed reduction internal fixation, so that the joint capsule is not cut in the treatment process, the fracture end is not exposed, the interference on the femoral head blood circulation is less, the risk of postoperative complications is lower, and the effect is most ideal.
However, in the femoral neck fracture operation of the prior art, the positioner is generally used for positioning and guiding the insertion of the steel needle, but in actual operation, a plurality of steel needles are needed to be put into the operation for fixing the fracture part, the angle and the position of each steel needle are needed to be determined, and the operation is inconvenient for operators.
Aiming at the problems, the hollow nail positioner for femoral neck fracture is provided, after a first steel needle is nailed, the positioning of a plurality of subsequent steel needles can be fast performed, and repeated imbedding positioning is avoided, so that operation and use of operators are facilitated.
Disclosure of Invention
The invention aims to provide the hollow nail positioner for the femoral neck fracture, which can rapidly position multiple steel needles, is based on a parallel sleeve structure, does not need to determine the angle and the position of each steel needle, is adjustable in steel needle distance and has excellent effectiveness, practicability and safety.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the utility model provides a hollow nail locator of femoral neck fracture, includes working portion and handle, the handle is connected in the working portion end, its characterized in that, the working portion is equipped with two sets of parallel work sleeves, two sets of the work sleeve is equipped with the guiding hole that supplies the steel needle to put into, one of them set of work sleeve sliding connection in the working portion.
Preferably, the two groups of working sleeves are perpendicular to the working part, one group of working sleeves are fixedly connected to the bottom surface of the head end of the working part, holes are formed in corresponding positions of the working part, the other group of working sleeves are in sliding connection with the working part through connecting seats, and the working part is provided with connecting grooves for the connecting seats to slide.
Preferably, the connecting seat is positioned at the lower side of the connecting groove, the diameter of the connecting seat is larger than the width of the connecting groove, the outer diameter of the working sleeve is smaller than the width of the connecting groove, the connecting seat is provided with a fastening screw used for fixing the position of the working sleeve, the top end of the working sleeve is movable, the top end of the working sleeve is provided with external threads, the inner wall of the fastening screw is provided with internal threads, and the external threads are matched with the internal threads.
Preferably, the handle is connected with the working part through a base, the base is axially and rotationally connected with the working part through a connecting shaft, the connecting shaft is provided with a fixing button for fixing the position of the base, the surface of the connecting shaft is provided with external threads, and the fixing button is provided with internal threads matched with the external threads.
Preferably, the tail end of the working part is provided with a dial, the dial is uniformly provided with angle scale marks, one side of the base is fixedly connected with an indicating needle, and the direction of the indicating needle is intersected with the axis of the connecting shaft.
Preferably, the handle is rotatably connected with the base, a rotating shaft for rotatably connecting the handle is arranged at one end of the base, and a fastening button for fixing the rotating shaft to rotate is arranged on the rotating shaft.
Preferably, the top end of the working sleeve is provided with a ring groove, the working sleeve is provided with an adjusting cylinder, the top end of the adjusting cylinder is provided with a ring clamp matched with the ring groove, the ring clamp is connected with the ring groove in a matched mode, and the inner wall of the adjusting cylinder is uniformly provided with a plurality of groups of limiting clamps.
Preferably, the ring grooves are uniformly provided with a plurality of groups of grooves, the ring strips are correspondingly provided with a plurality of groups of convex clamps, the convex clamps are connected with the ring strips through spring groups, and the bottom ends of the convex clamps are thinner than the top ends and are of inclined structures.
Preferably, the limiting clamps are provided with a plurality of layers, each layer of limiting clamp is uniformly distributed on the inner wall of the adjusting cylinder in an annular array, the top ends of the limiting clamps are inclined outwards, and the limiting clamps are connected to the inner wall of the adjusting cylinder through spring groups.
Preferably, the side of the connecting groove is provided with scale marks, the top end face of the fastening screw button is provided with a marking arrow, the direction of the marking arrow is consistent with the direction of the scale marks, and the scale marks are added with the distance between one end of the connecting groove and the working sleeve at the head end of the working part in advance.
The invention has the beneficial effects that:
the hollow nail positioner for the femoral neck fracture can quickly position multiple steel needles, each group of steel needles is positioned based on a parallel sleeve structure, the angle and the position of each steel needle are not required to be determined, and meanwhile, the distance between the steel needles is adjustable, so that operation and use of operators are facilitated.
The working part of the invention is provided with two groups of working sleeves in parallel, the working sleeves are provided with guide holes for guiding steel needles to penetrate, an operator holds a handle to position and insert a first steel needle through the working sleeve at the head end of the working part, and the rest group of working sleeves are the insert position and direction of a second steel needle; the two parallel working sleeves can be quickly pushed to obtain the second and third positions after finding the first steel needle position in the femoral neck fracture repairing process, so that the operation efficiency of an operator is improved, and repeated placement and positioning are avoided.
One group of the working sleeves is slid in the connecting groove arranged on the working part, the working sleeves slide in the connecting groove through the connecting seat arranged in the working sleeves to adjust the distance between the working sleeves and the fixed position, namely the distance between the steel needle placement positions, and meanwhile, the scale marks are arranged on one side of the connecting groove, so that an operator can conveniently adjust the distance between the two groups of the working sleeves, the device is suitable for different requirements, and positioning work of placing the steel needles with different distances is performed.
The handle is rotationally connected with the working part through the base, and the dial is arranged on the working part for the operator to grasp, so that the working part and the handle can axially rotate, and when the operator holds the handle, the working part, namely the two groups of working sleeves, can axially incline for a certain angle, and meanwhile, the handle and the base are rotationally connected and simultaneously adjustable, thereby being suitable for the operation habits of different operators and the physiological characteristics of different patients and facilitating the positioning operation; the work sleeve is equipped with and is used for adjusting a section of thick bamboo for the work sleeve is applicable to the direction of different specification steel needles and puts into, and work sleeve top is equipped with the annular, adjusts a corresponding ring strip that is equipped with of section of thick bamboo, through the joint cooperation of ring strip and annular, is equipped with multiunit spacing clamp in the adjustment section of thick bamboo, and spacing clamp passes through spring group and adjusts a section of thick bamboo inner wall connection, and the spacing clamp top of unifying layer expands outward, and each group spacing clamp carries out the spacing of steel needle, and the multilayer spacing clamp makes two points confirm a line, guarantees that the steel needle is put into the direction and is the direction of device, avoids making the direction of putting into because of the steel needle slope produces the error, guarantees the accuracy nature of putting into.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a hollow nail positioner for femoral neck fracture according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the working structure of a hollow nail positioner for femoral neck fracture according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a hollow nail positioner for femoral neck fracture according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a dial structure of a hollow nail positioner for femoral neck fracture according to an embodiment of the present invention;
FIG. 5 is a schematic view of a connecting groove structure of a hollow nail positioner for femoral neck fracture according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a ring groove structure of a hollow nail positioner for femoral neck fracture according to an embodiment of the present invention;
FIG. 7 is a schematic view of an adjusting cylinder of a hollow nail positioner for femoral neck fracture according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of an adjusting cylinder of a hollow nail positioner for femoral neck fracture according to an embodiment of the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
1. working part, 2, handle, 3, working sleeve, 4, connecting seat, 5, connecting groove, 6, fastening screw button, 7, adjusting cylinder, 101, dial, 201, base, 202, indicator needle, 203, fixed button, 204, connecting shaft, 205, rotating shaft, 301, guiding hole, 302, ring groove, 303, groove, 701, ring strip, 702, protruding card, 703 and limiting clamp.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-8
The hollow nail positioner for femoral neck fracture comprises a working part 1 and a handle 2, wherein the handle 2 is connected to the tail end of the working part 1, the hollow nail positioner is characterized in that the working part 1 is provided with two groups of parallel working sleeves 3, the two groups of working sleeves 3 are provided with guide holes 301 for placing steel needles, and one group of working sleeves 3 are connected to the working part 1 in a sliding manner.
In this embodiment, two sets of working sleeves 3 are perpendicular to the working portion 1, wherein one set of working sleeves 3 is fixedly connected to the bottom surface of the head end of the working portion 1, openings are formed in corresponding positions of the working portion 1, the other set of working sleeves 3 are slidably connected with the working portion 1 through connecting bases 4, and the working portion 1 is provided with connecting grooves 5 for sliding of the connecting bases 4.
In this embodiment, the two sets of working sleeves 3 are perpendicular to the working portion 1, the working portion 1 is provided with an opening for connecting the working sleeve 3 at the head end position, the outer wall of the working sleeve 3 at the head end is fixedly connected to the opening position, the movable working sleeve 3 slides in the connecting groove 5, and meanwhile, the limiting of the working sleeve 3 is performed through the connecting seat 4 and the fastening screw 6 to avoid loosening; the ends of the two sets of working sleeves 3 are flush.
In this embodiment, the connecting seat 4 is located the spread groove 5 downside, the connecting seat 4 diameter is greater than the spread groove 5 width, work sleeve 3 external diameter is less than the spread groove 5 width, the connecting seat 4 is equipped with the fastening screw button 6 that is used for fixed work sleeve 3 position, and mobilizable work sleeve 3 top is equipped with the external screw thread, fastening screw button 6 inner wall is equipped with the internal screw thread, external screw thread and internal screw thread adaptation.
In this embodiment, the handle 2 is connected with the working part 1 through a base 201 provided with, the base 201 is axially and rotatably connected with the working part 1 through a connecting shaft 204 provided with, the connecting shaft 204 is provided with a fixing button 203 for fixing the position of the base 201, the surface of the connecting shaft 204 is provided with external threads, and the fixing button 203 is provided with internal threads adapted to the external threads.
It should be understood that one of the working sleeves 3 slides in the connecting groove 5 provided with the working portion 1, the working sleeve 3 slides in the connecting groove 5 through the connecting seat 4 provided with, and the distance between the working sleeve 3 and the fixed position working sleeve 3 is adjusted, namely the distance between the steel needle placement positions, and meanwhile, the scale marks are arranged on one side of the connecting groove 5, so that operators can conveniently adjust the distance between the two groups of working sleeves 3, the device is suitable for different requirements, and positioning work of placing steel needles with different distances is performed.
In this embodiment, the end of the working portion 1 is provided with a dial 101, the dial 101 is uniformly provided with angle scale marks, one side of the base 201 is fixedly connected with an indicator 202, and the direction of the indicator 202 intersects with the axis of the connecting shaft 204.
In this embodiment, the handle 2 is rotatably connected with the base 201, one end of the base 201 is provided with a rotating shaft 205 for rotatably connecting the handle 2, and the rotating shaft 205 is provided with a fastening button for fixing the rotating shaft 205 to rotate.
It should be understood that the handle 2 is rotatably connected with the working portion 1 through the base 201, and meanwhile, the working portion 1 is provided with the dial 101 for the operator to master, so that the working portion 1 and the handle 2 can axially rotate, and when the operator holds the handle 2, the working portion 1, i.e. the two groups of working sleeves 3, can axially incline for a certain angle, so that the device is suitable for the operation habits of different operators and the physiological characteristics of different patients, and is convenient for positioning operation.
In this embodiment, the lateral side of the connecting slot 5 is provided with a scale mark, the top end surface of the fastening screw 6 is provided with a marking arrow, the direction of the marking arrow is consistent with the direction of the scale mark, and the scale mark is added with a space between one end of the connecting slot 5 and the working sleeve 3 at the head end of the working part 1 in advance.
It should be understood that the connecting groove 5 is provided with scale marks on one side, and is matched with the identification arrow, so that a worker can conveniently adjust the interval between the two groups of working sleeves 3, the device is suitable for different requirements, and positioning work of steel needle placement with different intervals is performed.
Example 2
As shown in fig. 1-8
The hollow nail positioner for femoral neck fracture comprises a working part 1 and a handle 2, wherein the handle 2 is connected to the tail end of the working part 1, the hollow nail positioner is characterized in that the working part 1 is provided with two groups of parallel working sleeves 3, the two groups of working sleeves 3 are provided with guide holes 301 for placing steel needles, and one group of working sleeves 3 are connected to the working part 1 in a sliding manner.
In this embodiment, the top of the working sleeve 3 is provided with a ring groove 302, the working sleeve 3 is provided with an adjusting cylinder 7, the top of the adjusting cylinder 7 is provided with a ring clamp adapted to the ring groove 302, the ring clamp is adapted to the ring groove 302, and the inner wall of the adjusting cylinder 7 is uniformly provided with a plurality of groups of limiting clamps 703.
It should be understood that the working sleeve 3 is provided with a regulating cylinder 7, so that the working sleeve 3 is suitable for guiding placement of steel needles with different specifications, the top end of the working sleeve 3 is provided with a ring groove 302, the regulating cylinder 7 is correspondingly provided with a ring strip 701, and a plurality of groups of limiting clamps 703 are arranged in the regulating cylinder 7 for guiding placement of the steel needles through clamping fit of the ring strip 701 and the ring groove 302.
In this embodiment, the ring grooves 302 are uniformly provided with a plurality of groups of grooves 303, the ring strip 701 is correspondingly provided with a plurality of groups of protruding cards 702, the protruding cards 702 are connected with the ring strip 701 through a set of springs, and the bottom ends of the protruding cards 702 are thinner than the top ends and are in an inclined plane structure.
It should be understood that the ring groove 302 is in fit and clamping connection with the ring strip 701, so that the adjusting cylinder 7 is convenient to install and stabilize; the protruding card 702 is clamped in the groove 303 under the action of the spring group, and the inclined surface structure of the protruding card 702 is convenient for clamping installation.
In this embodiment, the limiting clips 703 are provided with multiple layers, each layer of limiting clip 703 is uniformly distributed on the inner wall of the adjusting cylinder 7 in an annular array, each group of limiting clips 703 is inclined outwards at the top end, and the limiting clips 703 are connected to the inner wall of the adjusting cylinder 7 through spring groups.
It should be understood that, the limiting clamps 703 are connected with the inner wall of the adjusting cylinder 7 through spring groups, the top ends of the limiting clamps 703 of the unified layer are expanded outwards, each group of limiting clamps 703 limit the steel needle, the multi-layer limiting clamps 703 ensure that two points are in a line, the steel needle placement direction is the guiding direction of the device, errors caused by the inclination of the steel needle in the placement direction are avoided, and the placement accuracy is ensured.
In summary, the hollow nail positioner for femoral neck fracture can rapidly position multiple steel needles, each group of steel needles is positioned based on a parallel sleeve structure, the angle and the position of each steel needle are not required to be determined, and meanwhile, the distance between the steel needles is adjustable, so that the hollow nail positioner is convenient for operators to operate and use.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The utility model provides a hollow nail locator of femoral neck fracture, includes working portion (1) and handle (2), handle (2) are connected in working portion (1) end, a serial communication port, working portion (1) are equipped with two sets of parallel work sleeve (3), two sets of work sleeve (3) are equipped with guide hole (301) that supply the steel needle to put into, and wherein a set of work sleeve (3) sliding connection is in working portion (1).
2. A femoral neck fracture cannulated nail positioner according to claim 1, wherein: two sets of work sleeve (3) perpendicular to work portion (1), wherein a set of work sleeve (3) fixed connection is in work portion (1) head end bottom surface, work portion (1) relevant position is equipped with the trompil, and another set of work sleeve (3) are through connecting seat (4) and work portion (1) sliding connection that are equipped with, work portion (1) are equipped with connecting groove (5) that supply connecting seat (4) slided.
3. A femoral neck fracture cannulated nail positioner according to claim 2, wherein: the connecting seat (4) is located the spread groove (5) downside, spread groove (5) width is greater than to connecting seat (4) diameter, work sleeve (3) external diameter is less than spread groove (5) width, spread groove (4) are equipped with the fastening screw button (6) that are used for fixed work sleeve (3) position, and is mobilizable work sleeve (3) top is equipped with the external screw thread, fastening screw button (6) inner wall is equipped with the internal screw thread, external screw thread and internal screw thread adaptation.
4. A femoral neck fracture cannulated nail positioner according to claim 1, wherein: the handle (2) is connected with the working part (1) through the base (201) that is equipped with, base (201) is connected with the axial rotation of working part (1) through connecting axle (204) that are equipped with, connecting axle (204) are equipped with fixed knob (203) that are used for fixed base (201) position, connecting axle (204) surface is equipped with the external screw thread, fixed knob (203) are equipped with the internal screw thread with the external screw thread adaptation.
5. A femoral neck fracture cannulated nail positioner according to claim 4, wherein: the end of the working part (1) is provided with a dial (101), the dial (101) is uniformly provided with angle scale marks, one side of the base (201) is fixedly connected with an indicating needle (202), and the direction of the indicating needle (202) is intersected with the axis of the connecting shaft (204).
6. A femoral neck fracture cannulated nail positioner according to claim 4, wherein: the handle (2) is rotationally connected with the base (201), a rotating shaft for rotationally connecting the handle (2) is arranged at one end of the base (201), and a fastening button for fixing the rotating shaft to rotate is arranged on the rotating shaft.
7. A femoral neck fracture cannulated nail positioner according to claim 2, wherein: the top of working sleeve (3) is equipped with annular (302), working sleeve (3) are equipped with an adjustment section of thick bamboo (7), an adjustment section of thick bamboo (7) top be equipped with annular (302) adaptation's ring card, ring card and annular (302) adaptation are connected, an adjustment section of thick bamboo (7) inner wall evenly is equipped with multiunit spacing clamp (703).
8. A femoral neck fracture cannulated nail positioner according to claim 7, wherein: the ring groove (302) is evenly provided with a plurality of groups of grooves (303), the ring strip (701) is correspondingly provided with a plurality of groups of convex cards (702), the convex cards (702) are connected with the ring strip (701) through the spring groups, and the bottom ends of the convex cards (702) are thinner than the top ends and are of an inclined surface structure.
9. A femoral neck fracture cannulated nail positioner according to claim 7, wherein: the limiting clamps (703) are provided with multiple layers, each layer of limiting clamp (703) is uniformly distributed on the inner wall of the adjusting cylinder (7) in an annular array, each group of limiting clamps (703) is inclined outwards at the top end, and the limiting clamps (703) are connected to the inner wall of the adjusting cylinder (7) through spring groups.
10. A femoral neck fracture cannulated nail positioner according to claim 2, wherein: the utility model discloses a connecting device, including connecting groove (5), fastening screw button (6), scale mark (3) are equipped with on the side of connecting groove (5), fastening screw button (6) top face is equipped with the sign arrow, sign arrow direction is unanimous with scale mark direction, the scale mark has added the interval between connecting groove (5) one end and working portion (1) head end work sleeve (3) in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310210217.4A CN115998406A (en) | 2023-03-07 | 2023-03-07 | Femur neck fracture hollow nail positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310210217.4A CN115998406A (en) | 2023-03-07 | 2023-03-07 | Femur neck fracture hollow nail positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115998406A true CN115998406A (en) | 2023-04-25 |
Family
ID=86033772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310210217.4A Withdrawn CN115998406A (en) | 2023-03-07 | 2023-03-07 | Femur neck fracture hollow nail positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115998406A (en) |
-
2023
- 2023-03-07 CN CN202310210217.4A patent/CN115998406A/en not_active Withdrawn
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Application publication date: 20230425 |