CN112704553B - Nail locking device with positioning function for orthopedics department - Google Patents
Nail locking device with positioning function for orthopedics department Download PDFInfo
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- CN112704553B CN112704553B CN202011547879.3A CN202011547879A CN112704553B CN 112704553 B CN112704553 B CN 112704553B CN 202011547879 A CN202011547879 A CN 202011547879A CN 112704553 B CN112704553 B CN 112704553B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
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Abstract
The invention discloses a nail locking device with a positioning function for orthopedics department, which comprises a rack, wherein sliding blocks are arranged on the inner walls of two sides of the rack, one ends of the two sliding blocks are connected with connecting plates, and air cylinders which are horizontally arranged are arranged on one sides of the two connecting plates. According to the invention, the two cylinders are started to work simultaneously, so that the two cylinders drive the connecting blocks to move inwards simultaneously through the telescopic rods, the two connecting blocks drive the two first arc-shaped positioning clamps to move inwards simultaneously until the surgical position of a patient is fixed, meanwhile, the two connecting blocks drive the second arc-shaped positioning clamps to move inwards through the first supporting rod and the second supporting rod until the position above the surgical position of the patient is reached, so that the bone nail is positioned conveniently, and then the bone nail penetrates through the two second arc-shaped positioning clamps and the body of the patient in sequence and then the existing nail locking device can solve the problems that the existing nail locking device does not have a positioning function, positioning is inaccurate, accuracy is low, effect is poor and operation time is long.
Description
Technical Field
The invention relates to the technical field of orthopedic medical instruments, in particular to a nail locking device with a positioning function for orthopedics.
Background
In the treatment of fracture reduction, generally, a bone nail and a locking nail mechanism are mostly adopted and used together with an external fixing frame for orthopedics department, and the bone nail and the locking nail mechanism mainly have the functions of driving the bone nail into a bone and locking the bone nail on the fixing frame by the locking nail mechanism, so that the aim of fixing the bone is fulfilled; when the fracture end is adjusted and reset, manual alignment is needed, the alignment accuracy is low, the effect is poor, and the operation time is long.
At present, in the treatment of fracture reduction, generally adopt bone nail and lock nail mechanism more, the cooperation orthopedics external fixation frame uses, and this bone nail and lock nail mechanism's function is mainly to be, squeezes into the skeleton with the bone nail, then locks the bone nail on the mount with lock nail mechanism to reach the purpose of fixed skeleton, but current lock nail ware does not have the locate function, leads to the location inaccurate, the rate of accuracy is low, the effect is poor and operation time is long.
Therefore, it is necessary to invent a nail locker with a positioning function for orthopedics to solve the above problems.
Disclosure of Invention
The invention aims to provide a nail locking device with a positioning function for orthopedics department, which is characterized in that two cylinders are started to work simultaneously, so that the two cylinders drive connecting blocks to move inwards simultaneously through telescopic rods, the two connecting blocks drive two first arc-shaped positioning clamps to move inwards simultaneously until the surgical position of a patient is fixed, the two connecting blocks drive second arc-shaped positioning clamps to move inwards until the surgical position of the patient is reached, so that the bone nails can be positioned conveniently, and then the bone nails sequentially penetrate through the two second arc-shaped positioning clamps and the body of the patient and can be fixed by screwing the first screws and the second screws so as to overcome the defects in the technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a nail locking device with a positioning function for orthopedics department comprises a rack, wherein sliding blocks are arranged on the inner walls of two sides of the rack, one ends of the two sliding blocks are connected with connecting plates, one sides of the two connecting plates are respectively provided with a cylinder which is horizontally arranged, the output ends of the two cylinders are respectively connected with telescopic rods, the opposite ends of the two telescopic rods are respectively connected with a connecting block, the opposite inner sides of the two connecting blocks are respectively connected with a first arc-shaped positioning clamp, bone nails are arranged in the two first arc-shaped positioning clamps, the upper and lower ends of the bone nails are respectively connected with a first screw and a second screw, the centers of the upper and lower ends of the two connecting blocks are respectively connected with a first supporting rod, the inner sides of the two ends of the first supporting rods, which are far away from the corresponding connecting blocks, are respectively connected with a second supporting rod, and the opposite end of each second supporting rod is connected with a second arc-shaped positioning clamp, each second arc-shaped positioning clamp and each first arc-shaped positioning clamp are positioned on the same axis;
the bottom of the rack is connected with universal wheels, and the bottom of the rack is connected with a bottom plate;
one side of the top of the rack is connected with a box body, a driving motor which is horizontally arranged is arranged in the box body, the output end of the driving motor penetrates through an inner cavity of one side of the rack through a rotating shaft and extends into the inner cavity of the one side of the rack and is connected with a first bevel gear, one side of the bottom of the first bevel gear is meshed with a second bevel gear, and the center of the bottom of the second bevel gear is connected with a threaded rod;
the threaded rod bottom extends to the one end of bottom plate and is connected with the action wheel, one side of action wheel runs through the bottom plate through the belt and extends to in the opposite side inner chamber of frame and be connected with from the driving wheel, the top center department of following the driving wheel rotates and is connected with the threaded rod, two the threaded rod all with correspond slider through connection.
Preferably, every the one end of connecting block all is connected with the connecting cylinder, every the top of connecting cylinder all is equipped with the inserted bar, and every the connecting cylinder all is connected with the telescopic link through corresponding the inserted bar.
Preferably, two the inboard of first spout all is equipped with the second spout, two the second spout all sets up on the both sides inner wall of frame, two second spout and first spout all with the other end sliding connection of slider.
Preferably, the diameter size of the second arc-shaped positioning clamp is smaller than that of the first arc-shaped positioning clamp.
In the technical scheme, the invention provides the following technical effects and advantages:
1. the two cylinders are started to work simultaneously, so that the two cylinders drive the connecting blocks to move inwards simultaneously through the telescopic rods, the two connecting blocks drive the two first arc-shaped positioning clamps to move inwards simultaneously until the surgical position of a patient is fixed, meanwhile, the two connecting blocks drive the second arc-shaped positioning clamps to move inwards through the first supporting rods and the second supporting rods until the position above the surgical position of the patient is reached, so that the bone nail is positioned, then, the bone nail penetrates through the two second arc-shaped positioning clamps and the body of the patient in sequence, and then the bone nail can be fixed by screwing the first screws and the second screws;
2. through starting driving motor work for the first bevel gear of driving motor drive rotates, first bevel gear meshing drives second bevel gear and rotates, second bevel gear passes through the threaded rod and drives the action wheel, the action wheel passes through the belt and rotates from the driving wheel, drive the threaded rod rotation from the driving wheel, thereby make two threaded rods drive two sliders simultaneously and slide from top to bottom along first spout and second spout, thereby can adjust the position of second arc locating clip and first arc locating clip fixed bone nail, be convenient for be applicable to the orthopedic treatment of different positions.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 2 according to the present invention;
FIG. 5 is a schematic view of an arc positioning clip according to the present invention;
fig. 6 is an enlarged view of the structure of the portion C of fig. 5 according to the present invention.
Description of reference numerals:
1. a frame; 11. a universal wheel; 12. a first chute; 13. a second chute; 14. a slider; 15. a connecting plate; 16. a cylinder; 161. a telescopic rod; 17. connecting blocks; 171. a connecting cylinder; 172. inserting a rod; 173. a first support bar; 174. a second support bar; 18. a first arc-shaped positioning clamp; 19. a second arc-shaped positioning clamp; 2. a base plate; 3. a box body; 31. a drive motor; 32. a first bevel gear; 33. a second bevel gear; 34. a threaded rod; 35. a driving wheel; 36. a driven wheel; 4. bone nails; 41. a first screw; 42. a second screw.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides a nail locking device with a positioning function for orthopedics department as shown in figures 1-6, which comprises a frame 1, wherein sliding blocks 14 are arranged on the inner walls of two sides of the frame 1, one ends of the two sliding blocks 14 are connected with connecting plates 15, one sides of the two connecting plates 15 are respectively provided with a horizontally arranged air cylinder 16, the output ends of the two air cylinders 16 are respectively connected with a telescopic rod 161, one opposite ends of the two telescopic rods 161 are respectively connected with a connecting block 17, the opposite inner sides of the two connecting blocks 17 are respectively connected with a first arc-shaped positioning clamp 18, bone nails 4 are arranged in the two first arc-shaped positioning clamps 18, the upper and lower ends of the bone nails 4 are respectively connected with a first screw 41 and a second screw 42, the centers of the upper and lower ends of the two connecting blocks 17 are respectively connected with first supporting rods 173, the inner sides of the ends of the two first supporting rods 173 far away from the corresponding connecting blocks 17 are respectively connected with second supporting rods 174, one end of each second support rod 174 opposite to each other is connected with a second arc-shaped positioning clamp 19, and each second arc-shaped positioning clamp 19 and the first arc-shaped positioning clamp 18 are located on the same axis.
Further, in the above technical solution, one end of each connecting block 17 is connected with a connecting cylinder 171, the top end of each connecting cylinder 171 is provided with an inserting rod 172, and each connecting cylinder 171 is connected with the telescopic rod 161 through a corresponding inserting rod 172.
Further, in the above technical scheme, first chutes 12 have all been seted up to the both sides outer wall of frame 1, two the inboard of first chute 12 all is equipped with second chute 13, two second chute 13 all sets up on the both sides inner wall of frame 1, two second chute 13 and first chute 12 all with the other end sliding connection of slider 14, the diameter size of second arc locating clip 19 is less than the diameter size of first arc locating clip 18.
The implementation mode is specifically as follows: when the bone nail locking device is used, firstly, the two air cylinders 16 are started to work simultaneously, the two air cylinders 16 drive the connecting blocks 17 to move inwards simultaneously through the telescopic rods 161, the two connecting blocks 17 drive the two first arc-shaped positioning clamps 18 to move inwards simultaneously until the surgical position of a patient is fixed, meanwhile, the two connecting blocks 17 drive the second arc-shaped positioning clamps 19 to move inwards through the first supporting rods 173 and the second supporting rods 174 until the positions are above the surgical position of the patient, so that the bone nails 4 can be conveniently positioned, then the bone nails 4 sequentially penetrate through the two second arc-shaped positioning clamps 19 and the body of the patient, and then the bone nails can be fixed by screwing the first screws 41 and the second screws 42.
As shown in fig. 2-3, the bottom of the frame 1 is connected with a universal wheel 11, the bottom of the frame 1 is connected with a bottom plate 2, one side of the top of the frame 1 is connected with a box 3, a driving motor 31 horizontally arranged is arranged in the box 3, an output end of the driving motor 31 penetrates through a rotating shaft and extends into an inner cavity of one side of the frame 1 and is connected with a first bevel gear 32, one side of the bottom of the first bevel gear 32 is engaged with a second bevel gear 33, and a threaded rod 34 is connected to the center of the bottom end of the second bevel gear 33.
Further, in the above technical scheme, one end of the bottom end of the threaded rod 34 extending to the bottom plate 2 is connected with a driving wheel 35, one side of the driving wheel 35 penetrates through the bottom plate 2 through a belt and extends to the inner cavity of the other side of the rack 1 and is connected with a driven wheel 36, the top center of the driven wheel 36 is rotatably connected with the threaded rod 34, and the two threaded rods 34 are both in through connection with the corresponding sliding blocks 14.
The implementation mode is specifically as follows: when the bone nail fixing device is used, firstly, the driving motor 31 is started to work, the driving motor 31 drives the first bevel gear 32 to rotate, the first bevel gear 32 is meshed to drive the second bevel gear 33 to rotate, the second bevel gear 33 drives the driving wheel 35 through the threaded rod 34, the driving wheel 35 rotates through the belt, the driven wheel 36 drives the threaded rod 34 to rotate, then the two threaded rods 34 simultaneously drive the two sliding blocks 14 to slide up and down along the first sliding groove 12 and the second sliding groove 13, so that the positions of the bone nails 4 fixed by the second arc-shaped positioning clamp 19 and the first arc-shaped positioning clamp 18 can be adjusted, the bone nail fixing device is convenient to be applied to orthopedic treatment at different positions, and the problem that the positions of the bone nails 4 are inconvenient to adjust and mount in the prior art is specifically solved by the implementation mode.
The working principle of the invention is as follows:
referring to the attached drawings 1-6 of the specification, by starting the two cylinders 16 to work simultaneously, the two connecting blocks 17 drive the two first arc-shaped positioning clamps 18 to move inwards simultaneously until the surgical position of the patient is fixed, and simultaneously the two connecting blocks 17 drive the second arc-shaped positioning clamps 19 to move inwards through the first supporting rods 173 and the second supporting rods 174 until the surgical position of the patient is reached, so that the bone nails 4 are positioned, and the bone nails 4 sequentially penetrate through the two second arc-shaped positioning clamps 19 and the body of the patient and then are screwed by the first screws 41 and the second screws 42;
referring to the attached drawings 2-3 of the specification, by starting the driving motor 31 to work, the first bevel gear 32 is meshed to drive the second bevel gear 33 to rotate, the second bevel gear 33 drives the driving wheel 35 through the threaded rod 34, the driving wheel 35 rotates through the belt driven wheel 36, and the driven wheel 36 drives the threaded rod 34 to rotate, so that the two threaded rods 34 simultaneously drive the two sliding blocks 14 to slide up and down along the first sliding chute 12 and the second sliding chute 13.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (4)
1. The utility model provides an orthopedics is with lock nail ware that has locate function, includes frame (1), its characterized in that: the bone screw is characterized in that sliding blocks (14) are arranged on inner walls of two sides of the rack (1), one end of each of the two sliding blocks (14) is connected with a connecting plate (15), cylinders (16) which are horizontally arranged are arranged on one side of each of the two connecting plates (15), the output ends of the two cylinders (16) are connected with telescopic rods (161), one ends of the two telescopic rods (161) which face each other are connected with connecting blocks (17), the inner sides of the two connecting blocks (17) which face each other are connected with first arc-shaped positioning clamps (18), bone screws (4) are arranged in the two first arc-shaped positioning clamps (18), the upper end and the lower end of each bone screw (4) are respectively connected with a first screw (41) and a second screw (42), the centers of the upper end and the lower end of each of the two connecting blocks (17) are respectively connected with a first supporting rod (173), and the inner sides of the ends, far away from the corresponding connecting blocks (17), of the first supporting rods (173) are respectively connected with second supporting rods (174), one end of each second supporting rod (174) opposite to each other is connected with a second arc-shaped positioning clamp (19), and each second arc-shaped positioning clamp (19) and the first arc-shaped positioning clamp (18) are located on the same axis;
the bottom of the rack (1) is connected with universal wheels (11), and the bottom of the rack (1) is connected with a bottom plate (2);
one side of the top of the rack (1) is connected with a box body (3), a driving motor (31) which is horizontally arranged is arranged in the box body (3), the output end of the driving motor (31) penetrates through an inner cavity of one side of the rack (1) through a rotating shaft and extends into the inner cavity of one side of the rack (1) and is connected with a first bevel gear (32), one side of the bottom of the first bevel gear (32) is meshed with a second bevel gear (33), and the center of the bottom end of the second bevel gear (33) is connected with a threaded rod (34);
threaded rod (34) bottom extends to the one end of bottom plate (2) and is connected with action wheel (35), one side of action wheel (35) runs through the belt in bottom plate (2) extends to the opposite side inner chamber of frame (1) and is connected with from driving wheel (36), the top center department of following driving wheel (36) rotates and is connected with threaded rod (34), two threaded rod (34) all with correspond slider (14) through connection.
2. The orthopedic nail locking device with the positioning function as claimed in claim 1, wherein: every the one end of connecting block (17) all is connected with connecting cylinder (171), every the top of connecting cylinder (171) all is equipped with inserted bar (172), and every connecting cylinder (171) all are connected with telescopic link (161) through corresponding inserted bar (172).
3. The orthopedic nail locking device with the positioning function as claimed in claim 1, wherein: first spout (12), two have all been seted up to the both sides outer wall of frame (1) the inboard of first spout (12) all is equipped with second spout (13), two second spout (13) all set up on the both sides inner wall of frame (1), two second spout (13) and first spout (12) all with the other end sliding connection of slider (14).
4. The orthopedic nail locking device with the positioning function as claimed in claim 1, wherein: the diameter size of the second arc-shaped positioning clamp (19) is smaller than that of the first arc-shaped positioning clamp (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011547879.3A CN112704553B (en) | 2020-12-24 | 2020-12-24 | Nail locking device with positioning function for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011547879.3A CN112704553B (en) | 2020-12-24 | 2020-12-24 | Nail locking device with positioning function for orthopedics department |
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| Publication Number | Publication Date |
|---|---|
| CN112704553A CN112704553A (en) | 2021-04-27 |
| CN112704553B true CN112704553B (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011547879.3A Active CN112704553B (en) | 2020-12-24 | 2020-12-24 | Nail locking device with positioning function for orthopedics department |
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Citations (4)
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| CN106725817A (en) * | 2016-12-30 | 2017-05-31 | 山东大学 | Arcuate arm screw press formula reduction forceps |
| CN108309396A (en) * | 2018-02-28 | 2018-07-24 | 重庆英泰帝克科技有限公司 | Ankle fusion operation fixing glue hammers into drive system |
| CN209091601U (en) * | 2018-07-13 | 2019-07-12 | 陈亮 | A kind of orthopaedics reduction pinning device |
| CN210384025U (en) * | 2019-05-15 | 2020-04-24 | 王俊江 | Guiding device for orthopedic surgery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7004943B2 (en) * | 2002-02-04 | 2006-02-28 | Smith & Nephew, Inc. | Devices, systems, and methods for placing and positioning fixation elements in external fixation systems |
| US8444657B2 (en) * | 2004-05-07 | 2013-05-21 | Usgi Medical, Inc. | Apparatus and methods for rapid deployment of tissue anchors |
| CN106725898B (en) * | 2016-12-14 | 2020-02-14 | 西安交通大学医学院第一附属医院 | Device for CT-guided puncture biopsy and particle implantation template positioning |
| CN107049435B (en) * | 2017-05-25 | 2018-09-07 | 朱飞龙 | Percutaneous renal puncture locator |
-
2020
- 2020-12-24 CN CN202011547879.3A patent/CN112704553B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725817A (en) * | 2016-12-30 | 2017-05-31 | 山东大学 | Arcuate arm screw press formula reduction forceps |
| CN108309396A (en) * | 2018-02-28 | 2018-07-24 | 重庆英泰帝克科技有限公司 | Ankle fusion operation fixing glue hammers into drive system |
| CN209091601U (en) * | 2018-07-13 | 2019-07-12 | 陈亮 | A kind of orthopaedics reduction pinning device |
| CN210384025U (en) * | 2019-05-15 | 2020-04-24 | 王俊江 | Guiding device for orthopedic surgery |
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