CN111297458B - Tibia locator for orthopedics - Google Patents
Tibia locator for orthopedics Download PDFInfo
- Publication number
- CN111297458B CN111297458B CN202010100442.9A CN202010100442A CN111297458B CN 111297458 B CN111297458 B CN 111297458B CN 202010100442 A CN202010100442 A CN 202010100442A CN 111297458 B CN111297458 B CN 111297458B
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- Prior art keywords
- spicule
- positioning
- rod
- sliding
- fixedly connected
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B2017/681—Alignment, compression, or distraction mechanisms
Abstract
The invention discloses an orthopedic tibia locator, which is characterized in that jacks are reserved at two ends of a tibia respectively, a first locating spicule is inserted into the jack at one end of the tibia, an adjusting knob is rotated to enable a rotating screw rod to axially rotate, a connecting slide block in threaded fit is driven to slide along the length direction of a through hole, the part of the connecting slide block extending out of a sliding groove is matched with a second locating spicule, the horizontal sliding of the connecting slide block drives the second locating spicule to horizontally slide and is close to the jack at one side of the tibia far away from the first locating spicule, the second locating spicule is inserted into the jack, and the two ends of the tibia are accurately fixed, so that the tibia with different lengths and sizes can be fixed, and the locating effect of the tibia is better.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a tibia positioner for orthopedics.
Background
At present, when the orthopedic fracture treatment for the trauma is carried out, the orthopedic fracture treatment for the trauma is generally divided into three main steps of restoration, fixation and healing, the fixation is a starting and ending link of restoration and healing, good fixation not only consolidates the restoration effect, but also promotes the healing speed and quality, and meanwhile, the orthopedic fracture treatment for the trauma has a plurality of beneficial effects of relieving pain, alleviating pain of a wounded, preventing the aggravation of the trauma, protecting the wound, preventing infection, facilitating the transportation of a patient and the like.
When treating the tibia fracture, an orthopedist needs to perform an operation to reset and fix the fractured tibia, and after the tibia is reset, a commonly-used fixing method is to directly coat plaster on the outer side of the skin of a leg, fix the fractured tibia through an external steel plate and fix the fractured tibia at the far end, but the fixing method cannot fix the tibia with different lengths, so that the fixing effect is poor, the fractured tibia is easily displaced again, and the operation effect is influenced.
Disclosure of Invention
The invention aims to provide a tibia locator for orthopedics, and aims to solve the problems that in the prior art, the tibia locator is fixed directly through a bone plate and the far end of the tibia is fixed, but the fixing method cannot fix the tibia with different lengths, so that the fixing effect is poor, the fractured tibia is easy to displace again, and the operation effect is influenced.
In order to achieve the purpose, the invention adopts an orthopaedic tibia locator, which comprises a first locating spicule, a second locating spicule and a connecting device; the second positioning spicule is connected with the first positioning spicule through the connecting device and is positioned on one side of the connecting device, which is far away from the first positioning spicule, and the connecting device is fixedly connected with the first positioning spicule, is connected with the second positioning spicule in a sliding manner and is positioned between the first positioning spicule and the second positioning spicule; the connecting device comprises a connecting rod, a connecting slide block, an adjusting component and a clamping component, the connecting rod is fixedly connected with the first positioning spicule and is in sliding connection with the second positioning spicule, the second positioning spicule penetrates through the second positioning spicule and is positioned between the first positioning spicule and the second positioning spicule, the connecting rod is provided with a through hole and a sliding groove, the through hole is positioned at one side of the connecting rod close to the second positioning spicule and extends into the connecting rod towards the direction of the first positioning spicule, the sliding groove is positioned at the periphery of the connecting rod and extends into the connecting rod and is communicated with the through hole, the connecting slide block is in sliding connection with the telescopic connecting rod through the adjusting component and is positioned in the through hole, part of the connecting slide block extends out of the sliding groove and is matched with the second positioning spicule, the adjusting component is fixedly connected with the connecting slide block, the clamping assembly is fixedly connected with the connecting rod and positioned on the periphery of the connecting rod to clamp the adjusting assembly; the adjusting assembly comprises a rotating screw and an adjusting knob, the rotating screw is rotatably connected with the connecting slide block, penetrates through the connecting slide block and is positioned inside the through hole, and the adjusting knob is fixedly connected with the rotating screw, is rotatably connected with the connecting rod and is positioned at one end of the connecting rod, which is far away from the first positioning spicule; the clamping assembly comprises a support ring, a limiting clamp and a closing component, the support ring is fixedly connected with the connecting rod, is positioned on the periphery of the connecting rod and is positioned at one end, far away from the first positioning spicule, of the connecting rod; the limiting clamp is connected with the support ring in a sliding mode, matched with the adjusting knob and located on one side, close to the adjusting knob, of the support ring; the closing component is fixedly connected with the support ring, is in sliding connection with the limiting clamp and drives the limiting clamp to slide; the closing component comprises a connecting ring and a threaded knob, the connecting ring is fixedly connected with the supporting ring, is connected with the limiting clamp in a sliding mode and is located on one side, close to the adjusting knob, of the supporting ring, the connecting ring is provided with a connecting hole and a threaded groove, the connecting hole faces the direction of the adjusting knob, the limiting clamp is located in the connecting hole, the threaded groove is located on one side, far away from the supporting ring, of the connecting ring, extends into the connecting ring and is communicated with the connecting hole; the threaded knob is rotatably connected with the limiting clamp, matched with the connecting ring and positioned in the threaded groove; the closing member further comprises a protective cover, and the protective cover is detachably connected with the connecting ring and covers the periphery of the connecting ring.
The connecting device further comprises a first locking steel plate, a second locking steel plate and a telescopic assembly, wherein the first locking steel plate is connected with the connecting rod through a support and is positioned between the first positioning spicules and the second positioning spicules; the second locking steel plate is connected with the first locking steel plate in a sliding mode through the telescopic assembly and is positioned on one side, far away from the first locking steel plate, of the connecting rod; the telescopic assembly is fixedly connected with the first locking steel plate, fixedly connected with the second locking steel plate and used for driving the second locking steel plate to slide towards the first locking steel plate.
The telescopic assembly comprises a telescopic outer rod and a telescopic inner rod, the telescopic outer rod is fixedly connected with the first locking steel plate and is positioned on one side, close to the second locking steel plate, of the first locking steel plate; the telescopic inner rod is fixedly connected with the second locking steel plate, is connected with the telescopic outer rod in a sliding mode, and is located between the telescopic outer rod and the second locking steel plate.
The telescopic outer rod is provided with a sliding locking groove, and the sliding locking groove is positioned on one side of the telescopic outer rod, which is close to the telescopic inner rod, and faces the direction of the telescopic inner rod; the telescopic assembly further comprises a locking screw rod, the locking screw rod is fixedly connected with the telescopic inner rod, matched with the telescopic outer rod and penetrating through the sliding locking groove.
The tibia locator for orthopedics further comprises a sticky buckle, a fixed plate and a sliding assembly, wherein the sticky buckle is sleeved with the connecting rod and is positioned on the outer side of the connecting rod; the fixing plate is connected with the adhesive tape buckle in a sliding manner and is positioned on the periphery of the adhesive tape buckle; the sliding assembly is fixedly connected with the fixed plate and fixedly connected with the adhesive tape buckle.
The sliding assembly comprises a sliding rail, a horizontal sliding block and a limiting component, wherein the sliding rail is fixedly connected with the fixing plate and is positioned on one side of the fixing plate, which is far away from the adhesive tape buckle; the horizontal sliding block is fixedly connected with the adhesive tape buckle, is connected with the sliding rail in a sliding manner, and is positioned between the sliding rail and the adhesive tape buckle; the limiting component is fixedly connected with the horizontal sliding block and matched with the sliding rail.
The sliding rail is provided with a limiting groove, the limiting groove is positioned on one side of the sliding rail close to the horizontal sliding block and penetrates through the sliding rail towards the direction of the horizontal sliding block; the limiting component comprises a contraction rod and a pressing knob, the contraction rod is fixedly connected with the horizontal sliding block and is positioned in the limiting groove, and the pressing knob is fixedly connected with the contraction rod, is matched with the sliding rail and is positioned at one end, far away from the horizontal sliding block, of the contraction rod.
According to the tibia locator for the orthopedics department, the jacks are reserved at the two ends of the tibia respectively, the first locating spicules are inserted into the jacks at one end of the tibia, the adjusting knob is rotated to enable the rotating screw to axially rotate, the connecting sliding block in threaded fit is driven to slide along the long direction of the through hole, the part, extending out of the sliding groove, of the connecting sliding block is matched with the second locating spicules, the horizontal sliding of the connecting sliding block drives the second locating spicules to horizontally slide and approach the jacks at the side, far away from the first locating spicules, of the tibia, the second locating spicules are inserted into the jacks, the two ends of the tibia are accurately fixed, the tibia with different lengths and sizes can be fixed, and the locating effect of the tibia is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the connection structure of the tibial locator of the present invention.
Fig. 2 is a schematic view of the structure of the adjustment assembly of the present invention.
Fig. 3 is a schematic structural view of the clamping assembly of the present invention.
FIG. 4 is a schematic view of the connection between the position limiting clamp and the adjusting knob
Fig. 5 is a schematic structural view of the retraction assembly of the present invention.
Fig. 6 is a schematic view of the structure of the sliding assembly of the present invention.
In the figure: 1-a first positioning bone needle, 2-a second positioning bone needle, 3-a connecting device, 4-a sticky buckle, 5-a fixing plate, 6-a sliding component, 31-a connecting rod, 32-a connecting slide block, 33-an adjusting component, 34-a clamping component, 35-a first locking steel plate, 36-a second locking steel plate, 37-a telescopic component, 61-a sliding rail, 62-a horizontal slide block, 63-a limiting component, 100-an orthopedic tibial positioner, 311-a through hole, 312-a sliding groove, 331-a rotating screw rod, 332-an adjusting knob, 341-a supporting ring, 342-a limiting clamp, 343-a closing component, 371-a telescopic outer rod, 372-a telescopic inner rod, 373-a locking screw rod, 611-a limiting groove, 631-a telescopic rod, 632-press knob, 3431-connecting ring, 3432-screw knob, 3433-connecting hole, 3434-screw groove, 3435-protective cover, 3711-sliding lock groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting 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 the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In a first example of the present embodiment:
referring to fig. 1 to 4, the present invention provides an orthopedic tibial positioner 100, which includes a first positioning bone pin 1, a second positioning bone pin 2 and a connecting device 3; the second positioning spicule 2 is connected with the first positioning spicule 1 through the connecting device 3 and is positioned on one side of the connecting device 3 away from the first positioning spicule 1, the connecting device 3 is fixedly connected with the first positioning spicule 1, is connected with the second positioning spicule 2 in a sliding manner and is positioned between the first positioning spicule 1 and the second positioning spicule 2; the connecting device 3 comprises a connecting rod 31, a connecting slider 32, an adjusting component 33 and a clamping component 34, the connecting rod 31 is fixedly connected with the first positioning spicule 1, is connected with the second positioning spicule 2 in a sliding manner, penetrates through the second positioning spicule 2, is positioned between the first positioning spicule 1 and the second positioning spicule 2, the connecting rod 31 is provided with a through hole 311 and a sliding groove 312, the through hole 311 is positioned at one side of the connecting rod 31 close to the second positioning spicule 2 and extends into the connecting rod 31 towards the direction of the first positioning spicule 1, the sliding groove 312 is positioned at the periphery of the connecting rod 31 and extends into the connecting rod 31, the connecting slider 32 is communicated with the through hole 311 through the adjusting component 33 and the telescopic connecting rod 31 in a sliding manner and is positioned in the through hole 311, and partially extends out of the sliding groove 312, the adjusting component 33 is matched with the second positioning spicule 2, fixedly connected with the connecting slide block 32, rotatably connected with the connecting rod 31 and positioned inside the connecting rod 31, and the clamping component 34 is fixedly connected with the connecting rod 31 and positioned on the periphery of the connecting rod 31 to clamp the adjusting component 33; the adjusting component 33 comprises a rotating screw 331 and an adjusting knob 332, the rotating screw 331 is rotatably connected with the connecting slide block 32, penetrates through the connecting slide block 32, and is located inside the through hole 311, and the adjusting knob 332 is fixedly connected with the rotating screw 331, is rotatably connected with the connecting rod 31, and is located at one end of the connecting rod 31 far away from the first positioning spicule 1; the clamping assembly 34 comprises a support ring 341, a limit clamp 342 and a closing member 343, wherein the support ring 341 is fixedly connected with the connecting rod 31, is positioned at the periphery of the connecting rod 31, and is positioned at one end of the connecting rod 31 far away from the first positioning spicule 1; the limiting clamp 342 is slidably connected with the support ring 341, is matched with the adjusting knob 332, and is positioned on one side of the support ring 341 close to the adjusting knob 332; the closing member 343 is fixedly connected with the support ring 341, is slidably connected with the limiting clamp 342, and drives the limiting clamp 342 to slide; the closing member 343 includes a connection ring 3431 and a threaded knob 3432, the connection ring 3431 is fixedly connected to the support ring 341 and slidably connected to the position-limiting clamp 342 and is located on one side of the support ring 341 close to the adjusting knob 332, the connection ring 3431 has a connection hole 3433 and a thread groove 3434, the connection hole 3433 faces the direction of the adjusting knob 332, the position-limiting clamp 342 is located in the connection hole 3433, and the thread groove 3434 is located on one side of the connection ring 3431 away from the support ring 341 and extends into the connection ring 3431 and is communicated with the connection hole 3433; the threaded knob 3432 is rotatably connected to the position-limiting clamp 342, and is engaged with the connection ring 3431 and located in the threaded groove 3434; the closing member 343 further includes a protection cap 3435, and the protection cap 3435 is detachably coupled to the coupling ring 3431 and covers the outer circumference of the coupling ring 3431.
In this embodiment, a crease is formed in the middle of the fractured tibia, two positioning holes are drilled at two ends of the tibia, the center line of each positioning hole is perpendicular to the central axis of the tibia, the first positioning bone needle 1 extends into the positioning hole at one end of the tibia to be matched, the second positioning bone needle 2 extends into the positioning hole at the other end of the tibia to be matched, one end of the connecting rod 31 is integrally fixed with the first positioning bone needle 1, the other end of the connecting rod 31 extends into one end, far away from the tibia, of the second positioning bone needle 2, so that the second positioning bone needle 2 and the connecting rod 31 slide, the connecting rod 31 is provided with the through hole 311, the through hole 311 is circular and extends into the connecting rod 31 from one side, close to the second positioning bone needle 2, of the connecting rod 31, four sliding grooves 312 are arranged around the periphery of the connecting rod 31, and the sliding grooves 312 are arranged along the length direction of the connecting rod 31, the connecting rod 31 penetrates through the through hole 311, the connecting slide block 32 is located in the through hole 311, two teeth are integrally connected to the periphery of the connecting slide block 32 and are matched with the sliding groove 312, so that the teeth of the connecting slide block 32 extend out of the sliding groove 312 and are matched with the second positioning spicule 2, the second positioning spicule 2 and the connecting slide block 32 slide along the long direction of the connecting rod 31 and are limited axially, a threaded hole is formed in the center of the connecting slide block 32, threads matched with the connecting slide block 32 are formed in the outer side surface of the rotating screw 331 and extend into the threaded hole of the connecting slide block 32, the adjusting knob 332 is integrally fixed to one end of the rotating screw 331, which is far away from the connecting slide block 32, the adjusting knob 332 and the end of the connecting rod 31 axially rotate and drive the rotating screw 331 to rotate, thereby driving the connecting slide block 32 and the second positioning spicule 2 to horizontally slide; the outer side of one end of the connecting rod 31 close to the adjusting knob 332 is integrally fixed with the support ring 341, the support ring 341 is a cylinder with a hollow inner part and is integrally fixed with the connecting ring 3431, the connecting hole 3433 is arranged between the support ring 341 and the connecting rod 31, the connecting hole 3433 faces the direction of the adjusting knob 332, the limit clamp 342 is positioned inside the connecting hole 3433, the end of the limit clamp 342 is provided with a thread matched with the outer side of the adjusting knob 332, the surface of the support ring 341 is provided with the thread groove 3434, the outer periphery of the thread knob 3432 is provided with outer teeth and rotates with the surface of the limit clamp 342 through a bearing, specifically, the upper surface of the limit clamp 342 is integrally fixed with an outer shell of the bearing, the bottom of the thread knob 3432 is integrally fixed with an inner shell of the bearing, and the outer shell is connected with the inner shell through a ball bearing, the screw knob 3432 is axially rotated on the upper surface of the position-limiting clamp 342 and extends into the screw groove 3434, a protrusion engaged with the screw knob 3432 is provided on one side wall of the screw groove 3434, the screw knob 3432 is rotated along the length direction of the screw groove 3434 to drive the position-limiting clamp 342 to move together, the position-limiting clamp 342 is contacted with the adjusting knob 332 by rotating the screw knob 3432 because the position-limiting clamp 342 is engaged with the connecting ring 3431, a screw thread is provided on the side of the position-limiting clamp 342 close to the adjusting knob 332, a screw thread is provided on the outer side surface of the adjusting knob 332, the screw thread of the position-limiting clamp 342 is engaged with the screw thread of the adjusting knob 332 to limit the adjusting knob 332, the protective cover 3435 is provided on the outer periphery of the connecting ring 3431, the protective cover 3435 covers the screw groove 3434 and the connecting hole 3433, prevent the touching screw knob 3432, so, reserve the jack respectively at the both ends of shin bone, will first location spicule 1 inserts in the jack of shin bone one end, rotates adjust knob 332 makes rotatory screw 331 carries out the axial and rotates, and drive screw-thread fit link block 32 follows the long direction of through-hole 311 slides, link block 32 stretches out the part of spout 312 with the cooperation of second location spicule 2, link block 32's horizontal slip drives 2 horizontal slip of second location spicule to it keeps away from to be close to the shin bone the jack of first location spicule 1 one side will in 2 insert the jack of second location spicule, carry out the accuracy to the both ends of shin bone and fix, so can fix the shin bone of length size difference, make shin bone locate effect better.
In a second example of the present embodiment:
referring to fig. 1, 2 and 5, the invention provides an orthopaedic tibia locator 100, which comprises a first locating spicule 1, a second locating spicule 2 and a connecting device 3; the second positioning spicule 2 is connected with the first positioning spicule 1 through the connecting device 3 and is positioned on one side of the connecting device 3 away from the first positioning spicule 1, the connecting device 3 is fixedly connected with the first positioning spicule 1, is connected with the second positioning spicule 2 in a sliding manner and is positioned between the first positioning spicule 1 and the second positioning spicule 2; the connecting device 3 comprises a connecting rod 31, a connecting slider 32, an adjusting component 33 and a clamping component 34, the connecting rod 31 is fixedly connected with the first positioning spicule 1, is connected with the second positioning spicule 2 in a sliding manner, penetrates through the second positioning spicule 2, is positioned between the first positioning spicule 1 and the second positioning spicule 2, the connecting rod 31 is provided with a through hole 311 and a sliding groove 312, the through hole 311 is positioned at one side of the connecting rod 31 close to the second positioning spicule 2 and extends into the connecting rod 31 towards the direction of the first positioning spicule 1, the sliding groove 312 is positioned at the periphery of the connecting rod 31 and extends into the connecting rod 31, the connecting slider 32 is communicated with the through hole 311 through the adjusting component 33 and the telescopic connecting rod 31 in a sliding manner and is positioned in the through hole 311, and partially extends out of the sliding groove 312, the adjusting component 33 is matched with the second positioning spicule 2, fixedly connected with the connecting slide block 32, rotatably connected with the connecting rod 31 and positioned inside the connecting rod 31, and the clamping component 34 is fixedly connected with the connecting rod 31 and positioned on the periphery of the connecting rod 31 to clamp the adjusting component 33; the adjusting component 33 comprises a rotary screw rod 331 and an adjusting knob 332, the rotary screw rod 331 is connected with the connecting slide block 32 in a rotating mode, penetrates through the connecting slide block 32 and is located inside the through hole 311, the adjusting knob 332 is fixedly connected with the rotary screw rod 331 and is connected with the connecting rod 31 in a rotating mode, and is located at one end, far away from the first positioning spicule 1, of the connecting rod 31.
Further, the connecting device 3 further comprises a first locking steel plate 35, a second locking steel plate 36 and a telescopic assembly 37, wherein the first locking steel plate 35 is connected with the connecting rod 31 through a bracket and is positioned between the first positioning spicule 1 and the second positioning spicule 2; the second locking steel plate 36 is slidably connected with the first locking steel plate 35 through the telescopic assembly 37 and is positioned on one side of the connecting rod 31 away from the first locking steel plate 35; the telescopic assembly 37 is fixedly connected to the first locking steel plate 35, and is fixedly connected to the second locking steel plate 36, and drives the second locking steel plate 36 to slide toward the first locking steel plate 35.
Further, the telescopic assembly 37 comprises a telescopic outer rod 371 and a telescopic inner rod 372, wherein the telescopic outer rod 371 is fixedly connected with the first locking steel plate 35 and is located on one side of the first locking steel plate 35 close to the second locking steel plate 36; telescopic inner rod 372 and second locking steel plate 36 fixed connection, and with telescopic outer rod 371 sliding connection, and be located telescopic outer rod 371 with between the second locking steel plate 36.
Further, the telescopic outer rod 371 has a sliding locking groove 3711, and the sliding locking groove 3711 is located on one side of the telescopic outer rod 371 close to the telescopic inner rod 372 and faces the telescopic inner rod 372; the telescopic assembly 37 further comprises a locking screw 373, and the locking screw 373 is fixedly connected with the telescopic inner rod 372, is matched with the telescopic outer rod 371, and penetrates through the sliding locking groove 3711.
In this embodiment, the first locking steel plate 35 and the second locking steel plate 36 are made of titanium alloy steel plates, and the accurate external size of the tibia is obtained by the irradiation of an earlier-stage X-ray film, so that the first locking steel plate 35 and the second locking steel plate 36 are prefabricated in advance, the first locking steel plate 35 is fixed on the periphery of the connecting rod 31 through a bracket thread and faces the direction of the first positioning bone needle 1 and the direction of the second positioning bone needle 2, the inside of the telescopic outer rod 371 is hollow, the end part of the telescopic outer rod is integrally fixed with the first locking steel plate 35, the telescopic inner rod 372 extends into the telescopic outer rod, the second locking steel plate 36 is integrally fixed on one side of the telescopic inner rod 371 away from the telescopic outer rod 371, the second locking steel plate 36 and the first locking steel plate 35 enclose into an arc shape and clamp the periphery of the tibia, the flexible outer pole 371 has slip locking groove 3711, locking screw rod an organic whole is fixed the surface of flexible inner pole 372, and will in the installation the locking screw rod 373 stretches into in the slip locking groove 3711, make the locking screw rod 373 with flexible outer pole 371 cooperation, and then make first locking steel sheet 35 with second locking steel sheet 36 is fixed, so fix a position the periphery of shin bone, prevent that the lateral shifting from appearing in the shin bone, and then fixed effect to the shin bone is better.
In a third example of the present embodiment:
referring to fig. 1, 2 and 6, the invention provides an orthopaedic tibia locator 100, which comprises a first locating spicule 1, a second locating spicule 2 and a connecting device 3; the second positioning spicule 2 is connected with the first positioning spicule 1 through the connecting device 3 and is positioned on one side of the connecting device 3 away from the first positioning spicule 1, the connecting device 3 is fixedly connected with the first positioning spicule 1, is connected with the second positioning spicule 2 in a sliding manner and is positioned between the first positioning spicule 1 and the second positioning spicule 2; the connecting device 3 comprises a connecting rod 31, a connecting slider 32, an adjusting component 33 and a clamping component 34, the connecting rod 31 is fixedly connected with the first positioning spicule 1, is connected with the second positioning spicule 2 in a sliding manner, penetrates through the second positioning spicule 2, is positioned between the first positioning spicule 1 and the second positioning spicule 2, the connecting rod 31 is provided with a through hole 311 and a sliding groove 312, the through hole 311 is positioned at one side of the connecting rod 31 close to the second positioning spicule 2 and extends into the connecting rod 31 towards the direction of the first positioning spicule 1, the sliding groove 312 is positioned at the periphery of the connecting rod 31 and extends into the connecting rod 31, the connecting slider 32 is communicated with the through hole 311 through the adjusting component 33 and the telescopic connecting rod 31 in a sliding manner and is positioned in the through hole 311, and partially extends out of the sliding groove 312, the adjusting component 33 is matched with the second positioning spicule 2, fixedly connected with the connecting slide block 32, rotatably connected with the connecting rod 31 and positioned inside the connecting rod 31, and the clamping component 34 is fixedly connected with the connecting rod 31 and positioned on the periphery of the connecting rod 31 to clamp the adjusting component 33; the adjusting component 33 comprises a rotary screw rod 331 and an adjusting knob 332, the rotary screw rod 331 is connected with the connecting slide block 32 in a rotating mode, penetrates through the connecting slide block 32 and is located inside the through hole 311, the adjusting knob 332 is fixedly connected with the rotary screw rod 331 and is connected with the connecting rod 31 in a rotating mode, and is located at one end, far away from the first positioning spicule 1, of the connecting rod 31.
Further, the tibia locator 100 for orthopedics further comprises an adhesive buckle 4, a fixing plate 5 and a sliding assembly 6, wherein the adhesive buckle 4 is sleeved with the connecting rod 31 and is positioned on the outer side of the connecting rod 31; the fixing plate 5 is connected with the adhesive buckle 4 in a sliding way and is positioned at the periphery of the adhesive buckle 4; the sliding assembly 6 is fixedly connected with the fixing plate 5 and fixedly connected with the adhesive tape buckle 4.
Further, the sliding assembly 6 comprises a sliding rail 61, a horizontal sliding block 62 and a limiting member 63, wherein the sliding rail 61 is fixedly connected with the fixing plate 5 and is located on one side of the fixing plate 5 away from the adhesive tape buckle 4; the horizontal sliding block 62 is fixedly connected with the adhesive tape buckle 4, is connected with the sliding rail 61 in a sliding manner, and is positioned between the sliding rail 61 and the adhesive tape buckle 4; the limiting member 63 is fixedly connected with the horizontal sliding block 62 and is matched with the sliding rail 61.
Further, the slide rail 61 has a limiting groove 611, and the limiting groove 611 is located on one side of the slide rail 61 close to the horizontal sliding block 62 and penetrates through the slide rail 61 toward the direction of the horizontal sliding block 62; the limiting member 63 comprises a contraction rod 631 and a pressing knob 632, wherein the contraction rod 631 is fixedly connected with the horizontal sliding block 62 and is located inside the limiting groove 611, and the pressing knob 632 is fixedly connected with the contraction rod 631, is matched with the sliding rail 61, and is located at one end of the contraction rod 631, which is far away from the horizontal sliding block 62.
In this embodiment, the adhesive tape fasteners 4 are made of nylon and are sleeved on the periphery of the tibia of the leg of the patient, the number of the adhesive tape fasteners is plural, the fixing plate 5 is located on the inner surface of the adhesive tape fasteners 4 and abuts against the tibia of the patient, the slide rail 61 is integrally fixed on the upper surface of the fixing plate 5, the slide rail 61 is arranged along the longitudinal direction of the fixing plate 5, the horizontal slider 62 is slidably limited inside the slide rail 61 and passes through the contraction rod 631 to the inside of the limit groove 611, the limit groove 611 is located on the side surface of the slide rail 61 and extends into the inside of the slide rail 61, the contraction rod 631 has a fixed section and an extended section, the fixed section of the contraction rod 631 is fixed to the horizontal slider 62 by threads, the extended section is slidably extended from the fixed section, and the contraction rod 631 is pressed to contract the fixed section and the extended section of the contraction rod 631, and then the pressing knob 632 is limited by the thread fit of the sliding groove 61, the pressing knob 632 is pulled to drive the extension section and the fixing section of the contraction rod 631 to slide, so that the pressing knob 632 leaves the sliding groove 61, and the horizontal sliding block 62 can slide freely, thus the position of the tibia fixed on the outer surface of the leg can be adjusted freely, and the fixing effect is better.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A tibia locator for orthopedics department is characterized by comprising a first locating spicule, a second locating spicule and a connecting device;
the second positioning spicule is connected with the first positioning spicule through the connecting device and is positioned on one side of the connecting device, which is far away from the first positioning spicule, and the connecting device is fixedly connected with the first positioning spicule, is connected with the second positioning spicule in a sliding manner and is positioned between the first positioning spicule and the second positioning spicule;
the connecting device comprises a connecting rod, a connecting slide block, an adjusting component and a clamping component, the connecting rod is fixedly connected with the first positioning spicule and is in sliding connection with the second positioning spicule, the second positioning spicule penetrates through the second positioning spicule and is positioned between the first positioning spicule and the second positioning spicule, the connecting rod is provided with a through hole and a sliding groove, the through hole is positioned at one side of the connecting rod close to the second positioning spicule and extends into the connecting rod towards the direction of the first positioning spicule, the sliding groove is positioned at the periphery of the connecting rod and extends into the connecting rod and is communicated with the through hole, the connecting slide block is in sliding connection with the telescopic connecting rod through the adjusting component and is positioned in the through hole, part of the connecting slide block extends out of the sliding groove and is matched with the second positioning spicule, the adjusting component is fixedly connected with the connecting slide block, the clamping assembly is fixedly connected with the connecting rod and positioned on the periphery of the connecting rod to clamp the adjusting assembly;
the adjusting assembly comprises a rotating screw and an adjusting knob, the rotating screw is rotatably connected with the connecting slide block, penetrates through the connecting slide block and is positioned inside the through hole, and the adjusting knob is fixedly connected with the rotating screw, is rotatably connected with the connecting rod and is positioned at one end of the connecting rod, which is far away from the first positioning spicule; the clamping assembly comprises a support ring, a limiting clamp and a closing component, the support ring is fixedly connected with the connecting rod, is positioned on the periphery of the connecting rod and is positioned at one end, far away from the first positioning spicule, of the connecting rod; the limiting clamp is connected with the support ring in a sliding mode, matched with the adjusting knob and located on one side, close to the adjusting knob, of the support ring; the closing component is fixedly connected with the support ring, is in sliding connection with the limiting clamp and drives the limiting clamp to slide; the closing component comprises a connecting ring and a threaded knob, the connecting ring is fixedly connected with the supporting ring, is connected with the limiting clamp in a sliding mode and is located on one side, close to the adjusting knob, of the supporting ring, the connecting ring is provided with a connecting hole and a threaded groove, the connecting hole faces the direction of the adjusting knob, the limiting clamp is located in the connecting hole, the threaded groove is located on one side, far away from the supporting ring, of the connecting ring, extends into the connecting ring and is communicated with the connecting hole; the threaded knob is rotatably connected with the limiting clamp, matched with the connecting ring and positioned in the threaded groove; the closing member further comprises a protective cover, and the protective cover is detachably connected with the connecting ring and covers the periphery of the connecting ring.
2. The tibial locator of claim 1, wherein the tibial locator comprises a bone plate,
the connecting device further comprises a first locking steel plate, a second locking steel plate and a telescopic assembly, wherein the first locking steel plate is connected with the connecting rod through a support and is positioned between the first positioning spicules and the second positioning spicules; the second locking steel plate is connected with the first locking steel plate in a sliding mode through the telescopic assembly and is positioned on one side, far away from the first locking steel plate, of the connecting rod; the telescopic assembly is fixedly connected with the first locking steel plate, fixedly connected with the second locking steel plate and used for driving the second locking steel plate to slide towards the first locking steel plate.
3. The tibial locator of claim 2, wherein the tibial locator comprises a bone plate,
the telescopic assembly comprises a telescopic outer rod and a telescopic inner rod, the telescopic outer rod is fixedly connected with the first locking steel plate and is positioned on one side of the first locking steel plate, which is close to the second locking steel plate; the telescopic inner rod is fixedly connected with the second locking steel plate, is connected with the telescopic outer rod in a sliding mode, and is located between the telescopic outer rod and the second locking steel plate.
4. The tibial locator of claim 3, wherein the tibial locator comprises a bone plate,
the telescopic outer rod is provided with a sliding locking groove, and the sliding locking groove is positioned on one side of the telescopic outer rod, which is close to the telescopic inner rod, and faces the direction of the telescopic inner rod; the telescopic assembly further comprises a locking screw rod, the locking screw rod is fixedly connected with the telescopic inner rod, matched with the telescopic outer rod and penetrating through the sliding locking groove.
5. The tibial locator of claim 4, wherein the tibial locator comprises a bone plate,
the tibia locator for orthopedics further comprises a sticky buckle, a fixing plate and a sliding assembly, wherein the sticky buckle is sleeved with the connecting rod and is positioned on the outer side of the connecting rod; the fixing plate is connected with the adhesive tape buckle in a sliding manner and is positioned on the periphery of the adhesive tape buckle; the sliding assembly is fixedly connected with the fixed plate and fixedly connected with the adhesive tape buckle.
6. The tibial locator of claim 5, wherein the tibial locator comprises a bone plate,
the sliding assembly comprises a sliding rail, a horizontal sliding block and a limiting component, the sliding rail is fixedly connected with the fixing plate and is positioned on one side of the fixing plate, which is far away from the adhesive belt buckle; the horizontal sliding block is fixedly connected with the adhesive tape buckle, is connected with the sliding rail in a sliding manner, and is positioned between the sliding rail and the adhesive tape buckle; the limiting component is fixedly connected with the horizontal sliding block and matched with the sliding rail.
7. The tibial locator of claim 6, wherein the tibial locator comprises a bone plate,
the sliding rail is provided with a limiting groove, the limiting groove is positioned on one side of the sliding rail close to the horizontal sliding block and penetrates through the sliding rail towards the direction of the horizontal sliding block; the limiting component comprises a contraction rod and a pressing knob, the contraction rod is fixedly connected with the horizontal sliding block and is positioned in the limiting groove, and the pressing knob is fixedly connected with the contraction rod, is matched with the sliding rail and is positioned at one end, far away from the horizontal sliding block, of the contraction rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010100442.9A CN111297458B (en) | 2020-02-18 | 2020-02-18 | Tibia locator for orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010100442.9A CN111297458B (en) | 2020-02-18 | 2020-02-18 | Tibia locator for orthopedics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111297458A CN111297458A (en) | 2020-06-19 |
| CN111297458B true CN111297458B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010100442.9A Expired - Fee Related CN111297458B (en) | 2020-02-18 | 2020-02-18 | Tibia locator for orthopedics |
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| Country | Link |
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| CN (1) | CN111297458B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535524B (en) * | 2020-12-02 | 2022-03-08 | 中国科学院大学宁波华美医院 | Tibial plateau resetting device that sinks |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067133U (en) * | 1990-06-04 | 1990-12-12 | 符孔龙 | External fixator for fracture of tibia |
| US4988349A (en) * | 1987-01-21 | 1991-01-29 | Orthofix S.R.L. | Device for osteosynthesis |
| US20060229603A1 (en) * | 2005-03-18 | 2006-10-12 | Olsen Ron A | Adjustable splint for osteosynthesis with modular joint |
| US20100249845A1 (en) * | 2007-10-23 | 2010-09-30 | Alain Meunier | Fixing devices and stabilization systems using said fixing devices |
| CN208693424U (en) * | 2018-04-19 | 2019-04-05 | 江苏尚美医疗器械有限公司 | A kind of bone cement injector |
-
2020
- 2020-02-18 CN CN202010100442.9A patent/CN111297458B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4988349A (en) * | 1987-01-21 | 1991-01-29 | Orthofix S.R.L. | Device for osteosynthesis |
| CN2067133U (en) * | 1990-06-04 | 1990-12-12 | 符孔龙 | External fixator for fracture of tibia |
| US20060229603A1 (en) * | 2005-03-18 | 2006-10-12 | Olsen Ron A | Adjustable splint for osteosynthesis with modular joint |
| US20100249845A1 (en) * | 2007-10-23 | 2010-09-30 | Alain Meunier | Fixing devices and stabilization systems using said fixing devices |
| CN208693424U (en) * | 2018-04-19 | 2019-04-05 | 江苏尚美医疗器械有限公司 | A kind of bone cement injector |
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| Publication number | Publication date |
|---|---|
| CN111297458A (en) | 2020-06-19 |
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