CN117297744B - Femur neck fracture hollow nail sighting device - Google Patents
Femur neck fracture hollow nail sighting device Download PDFInfo
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- CN117297744B CN117297744B CN202311284802.5A CN202311284802A CN117297744B CN 117297744 B CN117297744 B CN 117297744B CN 202311284802 A CN202311284802 A CN 202311284802A CN 117297744 B CN117297744 B CN 117297744B
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- 210000002436 femur neck Anatomy 0.000 title abstract description 11
- 210000000689 upper leg Anatomy 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract 2
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 208000010392 Bone Fractures Diseases 0.000 claims description 10
- 206010017076 Fracture Diseases 0.000 claims description 10
- 208000020089 femoral neck fracture Diseases 0.000 claims description 10
- 210000001694 thigh bone Anatomy 0.000 claims description 6
- 238000013519 translation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000008924 Femoral Fractures Diseases 0.000 description 1
- 206010016454 Femur fracture Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 210000002391 femur head Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- 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
- A61B17/74—Devices for the head or neck or trochanter of the femur
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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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8897—Guide wires or guide pins
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a femur neck fracture hollow nail sighting device, belonging to the technical field of medical auxiliary instruments; including the mounting bracket body subassembly, the inboard of mounting bracket body subassembly top is equipped with the side and put the pole, the inboard in the middle part of putting the pole in the side is equipped with the connecting rod, the lower extreme of putting the pole in the side is equipped with percutaneous guide sleeve, the front end of connecting rod is equipped with the femur clamping component. According to the invention, the sliding frame is clamped and installed with the U-shaped column, the connecting end of the side middle rod and the sliding frame is provided with the clamping teeth, the clamping teeth are matched with the threaded grooves of the side adjusting rod, the side middle rod is driven to carry out right side displacement while the side adjusting rod rotates, the sleeve joint hole is fixed with the transmission end of the adjusting motor, the power transmission is facilitated, after the side middle rod is adjusted to a proper position, the locking block is rotated, the locking rod at the front end of the locking block is clamped into the inner side of the side adjusting rod to lock, and when the guide pin is driven in, the accuracy of the device can be more stable.
Description
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a femur neck fracture hollow nail sighting device.
Background
With the current social development and the aging of the population, the fracture of the neck of the femur frequently occurs on the old, the incidence rate of the fracture is increased gradually along with the service life of the old, and particularly with the aging of the population, the fracture of the neck of the femur becomes a serious social problem, the current operation fixing method of the fracture of the neck of the femur needs to drive a guide pin into a proper position in operation, confirm through perspective, and then screw a hollow screw into the center of the femoral head through the guide pin. However, at present, driving the guide pin into the center of the femoral head is not easy, the multidimensional angle needs to be adjusted in space, multiple perspectives are needed clinically, the guide pin is repeatedly penetrated into the optimal position for probing, the guide pin is likely to be driven into the optimal position, even the guide pin cannot be driven into the optimal position, thereby affecting the operation effect, even causing internal fixation failure, causing damage to bone, and because the femoral neck has a front inclination angle, and the crowd difference is large, some guides existing at present cannot guide the first guide pin into the center of the femoral head accurately, and only can drive other guide pins in parallel on the basis of driving the first guide pin accurately, so how to accurately drive the first guide pin into the first guide pin is still a clinical problem at present.
Disclosure of Invention
The invention aims to solve the technical problem of providing a femur neck fracture hollow nail sighting device which solves the problem that the prior art cannot accurately drive a first guide pin into the center of a femur head.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a hollow nail sight of thighbone neck fracture, includes the mounting bracket body subassembly, the inboard of mounting bracket body subassembly top is equipped with the side and put the pole, the inboard in pole middle part is equipped with the connecting rod in the side, the lower extreme of putting the pole in the side is equipped with percutaneous guide sleeve, the front end of connecting rod is equipped with thighbone clamping assembly, the right side of mounting bracket body subassembly upper end is equipped with the side regulating assembly, the right side of percutaneous guide sleeve outer end is equipped with the sleeve gag lever post, the lower extreme of mounting bracket body subassembly is equipped with holds the card and holds the subassembly, the right side of holding the subassembly front end is equipped with radian adjusting assembly, side regulating assembly is including sliding frame, slider, side regulation pole, cup joint hole and locking piece, the inside left and right sides of sliding frame is equipped with the slider, the right side of sliding frame front end is equipped with the side regulation pole, the inboard of side regulation pole rear end is equipped with cup joints the hole, the left side of side regulation pole is equipped with the locking piece.
Preferably, the mounting bracket body assembly comprises a U-shaped column, a transverse adjusting groove, a sleeve adjusting groove, a sliding groove, a middle shaft scale mark, a connecting clamping groove and an adjusting motor, wherein the transverse adjusting groove is formed in the right side of the middle end of the U-shaped column, the sleeve adjusting groove is formed in the right side of the lower end of the U-shaped column, the sliding groove is formed in the right side of the upper end of the U-shaped column, the middle shaft scale mark is formed in the front side of the outer end of the U-shaped column, the connecting clamping groove is formed in the inner side of the lower end of the U-shaped column, and the adjusting motor is arranged at the upper end of the left side of the U-shaped column.
Preferably, the femur clamping assembly comprises a guide plate, an elastic clip and a positioning hole, wherein the elastic clip is arranged at the front end of the guide plate, and the positioning hole is formed in the rear side of the lower end of the guide plate.
Preferably, hold the card and hold the subassembly including gusset plate, embedded block, handheld piece, half arc card pole and stiffening rod, the upper end of gusset plate is equipped with the embedded block, the rear end of gusset plate is equipped with handheld piece, the left side of gusset plate front end is equipped with half arc card pole, the middle part of gusset plate lower extreme is equipped with the stiffening rod.
Preferably, the radian adjusting part comprises an adjusting limiting rod, a splicing groove and an elastic rod, wherein the splicing groove is formed in the left end of the adjusting limiting rod, and the elastic rod is arranged above the splicing groove.
Preferably, the sliding blocks are symmetrically distributed in four, the left end of each locking block extends into the sliding frame, each locking block is rotatable in the sliding frame, three locking rods are arranged at the outer end of the left side of each locking block, and the locking rods can be clamped into the inner sides of the side adjusting rods to lock.
Preferably, the contact end of put pole and connecting rod in the side is equipped with the connecting block, the overall shape of connecting block is the square, both sides are equipped with parallel horizontal lug around the square is upper and lower, the square front and back end is equipped with the screw thread circle, the angle is parallel between put pole and the thighbone centre gripping subassembly in the side, the below of percutaneous direction sleeve front end is equipped with infrared transmitter, the lower extreme of thighbone centre gripping subassembly rear side is equipped with infrared receiver.
Preferably, the opening orientation of U type post is the right side, the opening of U type post downwardly extending to the upper end of sleeve adjustment tank, the translation groove has been seted up to the inside upper and lower both sides of transverse adjustment tank, spout symmetric distribution is in the front and back both sides of U type post upper end, the screw thread notch has been seted up at the top middle part of connection draw-in groove, four recesses have been seted up in the four corners of connection draw-in groove top, the transmission end of accommodate motor extends into the inboard of side adjustment assembly.
Preferably, the guide plate and the elastic clip are in an integrated structure, and the positioning hole is obliquely formed.
Preferably, positioning blocks are arranged at four corners of the upper end of the embedded block, the whole shape of the handheld block is elliptical, and the reinforcing plate, the handheld block and the half-arc clamping rod are integrally molded.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the technical scheme, the sliding frame and the U-shaped column are clamped and installed together, the clamping teeth are arranged at the connecting ends of the side middle rod and the sliding frame, the clamping teeth are matched with the threaded grooves of the side adjusting rod, the side middle rod is driven to move on the right side when the side adjusting rod rotates, the sleeving holes are fixed with the transmission end of the adjusting motor, power transmission is facilitated, after the side middle rod is adjusted to a proper position, the locking piece is rotated, the locking rod at the front end of the locking piece is clamped into the inner side of the side adjusting rod to lock the side adjusting rod, when the guide pin is driven in, the guide pin can be more stable, the accuracy of the device is improved, the side middle rod is sleeved and reinforced with the connecting block at the contact end of the connecting rod, the side middle rod and the side middle rod form an integral structure, the side middle rod is parallel to the longitudinal axis of the femur clamping assembly, in the actual use process, the front perspective lower adjuster can be driven to drive the percutaneous guide sleeve to move along with the front, the guide pin is enabled to pass through the percutaneous guide sleeve to align with the femur fracture optimal position, and the guide pin is driven into the subsequent inclined guide pin.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the invention and to enable a person skilled in the pertinent art to make and use the invention.
FIG. 1 is a schematic perspective view of a hollow nail sighting device for femoral neck fracture;
FIG. 2 is a schematic perspective view of a femoral clamping assembly of a femoral neck fracture hollow nail sight;
FIG. 3 is a schematic plan view of a femoral neck fracture hollow nail sight mounting frame body assembly;
fig. 4 is a schematic perspective view of a femoral neck fracture hollow nail sight mounting frame assembly;
FIG. 5 is a schematic perspective view of a side adjustment assembly;
FIG. 6 is a schematic view of a three-dimensional separation structure of the hand grip assembly and the arc adjustment assembly;
fig. 7 is an enlarged schematic view of the structure a in fig. 2.
[ reference numerals ]
1. A mounting frame body assembly; 2. a side middle rod; 3. a connecting rod; 4. a percutaneous guiding sleeve; 5. a femoral clamping assembly; 6. a side adjustment assembly; 7. a sleeve limit rod; 8. the clamping component is held by hand; 9. an arc adjustment assembly; 101. u-shaped columns; 102. a transverse adjustment groove; 103. a sleeve adjusting groove; 104. a chute; 105. a middle axis scale mark; 106. a connecting clamping groove; 107. adjusting a motor; 501. a guide plate; 502. an elastic clip; 503. positioning holes; 601. a sliding frame; 602. a slide block; 603. a lateral adjusting rod; 604. a socket hole; 605. a locking piece; 801. a reinforcing plate; 802. an embedded block; 803. a hand-held block; 804. a half-arc clamping rod; 805. a reinforcing rod; 901. adjusting a limit rod; 902. a splice groove; 903. and (5) an elastic rod.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The invention provides a femur neck fracture hollow nail sighting device which is described in detail below with reference to the attached drawings and specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It is to be understood that the meaning of "on … …", "on … …" and "over … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on" something but also includes meaning "on" something with intervening features or layers therebetween, and "on … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1 to 7, the embodiment of the invention provides a femoral neck fracture hollow nail sighting device, which comprises a mounting frame body assembly 1, wherein a side middle rod 2 is sleeved and mounted on the inner side above the mounting frame body assembly 1, the side middle rod 2 and a sliding frame 601 are reinforced together through a screw rod, a connecting rod 3 is sleeved and mounted on the inner side in the middle of the side middle rod 2, a connecting block is sleeved and mounted on the contact end of the side middle rod 2 and the connecting rod 3, the whole shape of the connecting block is a cube, parallel transverse projections are arranged on the front side and the rear side of the upper surface of the cube, screw rings are arranged on the front end and the rear end of the cube, a percutaneous guide sleeve 4 is welded and mounted on the lower end of the side middle rod 2, an infrared emitter is mounted on the lower screw of the front end of the percutaneous guide sleeve 4, the percutaneous guide sleeve 4 is used for reducing the length of an operation incision without passing through the incision, the guide needle is directly driven into the skin, the inner diameter of the skin guiding sleeve 4 is matched with the guide needle, the skin guiding sleeve is coplanar with the lateral middle rod 2 and the connecting rod 3, the skin guiding sleeve is directed to a locating hole 503 arranged on the guide plate 501, the angles of the skin guiding sleeve and the connecting rod are integrated into a straight line, a sleeve limiting rod 7 is arranged on the right side of the outer end of the skin guiding sleeve 4 in a threaded manner, the sleeve limiting rod 7 plays a role in limiting the skin guiding sleeve 4, a femur clamping component 5 is arranged at the front end of the connecting rod 3 in a welded manner, an infrared receiver is embedded and arranged at the lower end of the rear side of the femur clamping component 5 and can be calibrated with an infrared emitter in real time, and the infrared receiver and the infrared emitter are calibrated by operating the system, so that the angle between the lateral middle rod 2 and the femur clamping component 5 is parallel, the right side of the upper end of the installation frame body assembly 1 is provided with a side adjusting assembly 6 in a sliding way, the left side of the outer end of the percutaneous guiding sleeve 4 is provided with a sleeve limiting rod 7 in a threaded way, the lateral distance of the percutaneous guiding sleeve 4 can be limited by the design of the sleeve limiting rod 7, the lower end of the installation frame body assembly 1 is clamped and provided with a handheld clamping assembly 8, the right side of the front end of the handheld clamping assembly 8 is clamped and provided with a radian adjusting assembly 9, the side adjusting assembly 6 comprises a sliding frame 601, a sliding block 602, side adjusting rods 603, sleeving holes 604 and locking blocks 605, the sliding blocks 602 are arranged on the left side and the right side of the sliding frame 601, the sliding blocks 602 are symmetrically distributed with four, the right side of the front end of the sliding frame 601 is provided with side adjusting rods 603 in a threaded way, the inner side of the rear end of the side adjusting rods 603 is provided with sleeving holes 604, the left side of the side adjusting rods 603 is embedded and provided with locking blocks 605, the outer end of the left side of the locking blocks 605 is welded and provided with three locking rods, and the left end of the locking blocks 605 extends into the sliding frame 601, and the locking blocks 605 can be rotatably locked inside the sliding frame 601.
The sliding frame 601 and the U-shaped column 101 are clamped and installed together, the connecting end of the side middle rod 2 and the sliding frame 601 is provided with a clamping tooth, the clamping tooth is matched with a threaded groove of the side adjusting rod 603, the side middle rod 2 is driven to move to the right side when the side adjusting rod 603 rotates, the sleeved hole 604 is fixed with the transmission end of the adjusting motor 107, power transmission is facilitated, after the side middle rod 2 is adjusted to a proper position, the locking block 605 is rotated, the locking rod at the front end of the locking rod is clamped into the inner side of the side adjusting rod 603 to be locked, when a guide pin is driven in, the guide pin can be more stable, the accuracy of the device is improved, the connecting block at the contact end of the side middle rod 2 and the connecting rod 3 can be sleeved and reinforced together, the side middle rod 2 and the connecting rod are formed into an integral structure, the longitudinal axis of the side middle rod 2 and the femur clamping assembly 5 are positioned on the same plane and are parallel to each other, in the actual use process, the guide pin 4 is driven to move along with the movement in the proper position under the perspective, and the percutaneous guide sleeve 4 is driven to guide the proper position to guide the percutaneous bone, and the guide pin is conveniently driven to the femoral fracture through the proper position.
As shown in fig. 3 and fig. 4, the mounting frame body assembly 1 includes a U-shaped column 101, a transverse adjusting slot 102, a sleeve adjusting slot 103, a sliding slot 104, a central axis scale line 105, a connecting clamping slot 106 and an adjusting motor 107, wherein the right side of the middle end of the U-shaped column 101 is provided with the transverse adjusting slot 102, the right side of the lower end of the U-shaped column 101 is provided with the sleeve adjusting slot 103, the right side of the upper end of the U-shaped column 101 is provided with the sliding slot 104, the front side of the outer end of the U-shaped column 101 is provided with the central axis scale line 105, the inner side of the lower end of the U-shaped column 101 is provided with the connecting clamping slot 106, and the left upper end of the U-shaped column 101 is provided with the adjusting motor 107.
Through setting up at the horizontal adjustment tank 102 in the U type post 101 outside, sleeve adjustment tank 103 and spout 104, can put pole 2 in the side and carry out horizontal slip regulation backward in the inboard, the angle of regulation can watch in real time through axis scale mark 105, and the design of connecting draw-in groove 106 can be in the same place U type post 101 and the gusset plate 801 of lower extreme, improves the stability of installation, and accommodate motor 107 can provide the power of horizontal regulation.
As shown in fig. 2, the femoral clamping component 5 includes a guide plate 501, an elastic clip 502 and a positioning hole 503, the front end of the guide plate 501 is provided with the elastic clip 502 in a threaded manner, the guide plate 501 and the elastic clip 502 are in an integrated structure, the rear side of the lower end of the guide plate 501 is provided with the positioning hole 503, and the positioning hole 503 is provided with a certain inclination.
As shown in fig. 1 and fig. 6, the hand-holding assembly 8 includes a reinforcing plate 801, an embedded block 802, a hand-holding block 803, a half-arc clamping rod 804 and a reinforcing rod 805, the upper end of the reinforcing plate 801 is provided with the embedded block 802 by threads, four corners of the upper end of the embedded block 802 are provided with positioning blocks, the positioning blocks are spliced and reinforced with the U-shaped column 101 at the upper end, the reinforcing rod 805 is rotated subsequently to perform thread reinforcement on the upper end, the rear end of the reinforcing plate 801 is provided with the hand-holding block 803, the whole shape of the hand-holding block 803 is elliptical, the hand-holding block is convenient for an operator to grasp and use, the left side of the front end of the reinforcing plate 801 is provided with the half-arc clamping rod 804, the reinforcing plate 801, the hand-holding block 803 and the half-arc clamping rod 804 are integrally cast, and the middle part of the lower end of the reinforcing plate 801 is provided with the reinforcing rod 805; the radian adjusting assembly 9 comprises an adjusting limiting rod 901, a splicing groove 902 and an elastic rod 903, wherein the splicing groove 902 is formed in the left end of the adjusting limiting rod 901, and the elastic rod 903 is arranged above the splicing groove 902 in a threaded manner; through the design of half arc clamping rod 804, can block it at patient's thigh position, afterwards, form the parcel with adjusting gag lever post 901 at front end swing, under the in-service use condition, also can be according to the position adjustment card holding parcel under the normal position perspective, guarantee the stability after the sight installation, follow-up messenger guide pin aims at the best position on the normal position.
According to the technical scheme provided by the invention, the sliding frame 601 and the U-shaped column 101 are clamped and installed together, the clamping teeth are arranged at the connecting end of the side middle rod 2 and the sliding frame 601, the clamping teeth are matched with the threaded grooves of the side adjusting rod 603, the side middle rod 2 is driven to move to the right side while the side adjusting rod 603 rotates, the sleeved hole 604 is fixed with the transmission end of the adjusting motor 107, the power transmission is facilitated, after the side middle rod 2 is adjusted to a proper position, the locking block 605 is rotated, the locking rod at the front end of the locking block is clamped into the inner side of the side adjusting rod 603 to lock, when a guide pin is driven in, the locking block at the contact end of the side middle rod 2 and the connecting rod 3 can be sleeved and fixed together, the side middle rod 2 and the connecting rod are formed into an integral structure, the longitudinal axis of the side middle rod 2 and the femur clamping assembly 5 are positioned on the same plane, the longitudinal axis of the side middle rod 2 is parallel to each other, the guide pin can be adjusted under the correct position in an operation, the guide sleeve 4 is driven to move along with the correct position in the operation, the guide pin is driven to enable the guide pin to pass through the guide pin to be in the correct position of the guide pin, and the guide pin is convenient to drive the guide pin to the femur neck to be inclined to the guide pin to the optimum position.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. So that the manner in which the invention is fully understood, specific details are set forth in the preferred embodiments of the invention, and the invention will be fully understood by those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. The utility model provides a thighbone neck fracture hollow nail sight which is characterized in that, including the mounting bracket body subassembly, the inboard of mounting bracket body subassembly top is equipped with side centrally-mounted pole, the inboard in side centrally-mounted pole middle part is equipped with the connecting rod, the lower extreme of side centrally-mounted pole is equipped with the percutaneous guide sleeve, the front end of connecting rod is equipped with thighbone clamping assembly, the right side of mounting bracket body subassembly upper end is equipped with side regulation subassembly, the right side of percutaneous guide sleeve outer end is equipped with the sleeve gag lever post, the lower extreme of mounting bracket body subassembly is equipped with holds the card and holds the subassembly, hold the right side of holding the subassembly front end and be equipped with radian adjustment subassembly, side regulation subassembly is equipped with the slider including slider, side regulation pole, cup joint hole and locking piece, the right side of slider front end is equipped with side regulation pole, the inboard of side regulation pole rear end is equipped with cup joint hole, the left side of side regulation pole is equipped with the locking piece;
the mounting frame body assembly comprises a U-shaped column, a transverse adjusting groove, a sleeve adjusting groove, a sliding groove, a middle shaft scale mark, a connecting clamping groove and an adjusting motor, wherein the right side of the middle end of the U-shaped column is provided with the transverse adjusting groove, the right side of the lower end of the U-shaped column is provided with the sleeve adjusting groove, the right side of the upper end of the U-shaped column is provided with the sliding groove, the front side of the outer end of the U-shaped column is provided with the middle shaft scale mark, the inner side of the lower end of the U-shaped column is provided with the connecting clamping groove, and the upper end of the left side of the U-shaped column is provided with the adjusting motor;
the sliding blocks are symmetrically distributed in four, the left end of each locking block extends into the sliding frame, each locking block is rotatable in the sliding frame, three locking rods are arranged at the outer end of the left side of each locking block, and the locking rods can be clamped into the inner sides of the side adjusting rods to be locked;
the contact end of the side middle-set rod and the connecting rod is provided with a connecting block, the whole shape of the connecting block is a cube, the front side and the rear side of the upper surface and the lower surface of the cube are provided with parallel transverse convex blocks, the front end and the rear end of the cube are provided with threaded rings, the angle between the side middle-set rod and the femur clamping component is parallel, the lower part of the front end of the percutaneous guiding sleeve is provided with an infrared emitter, and the lower end of the rear side of the femur clamping component is provided with an infrared receiver;
the opening of the U-shaped column faces to the right, the opening of the U-shaped column extends downwards to the upper end of the sleeve adjusting groove, the upper side and the lower side of the inside of the transverse adjusting groove are provided with translation grooves, the sliding grooves are symmetrically distributed on the front side and the rear side of the upper end of the U-shaped column, the middle part above the connecting clamping groove is provided with a threaded notch, four corners above the connecting clamping groove are provided with four grooves, and the driving end of the adjusting motor extends into the inner side of the lateral adjusting component;
the sliding frame is clamped and installed with the U-shaped column, a latch is arranged at the connecting end of the lateral middle-setting rod and the sliding frame, the latch is matched with a threaded groove of the lateral adjusting rod, the lateral adjusting rod can be driven to carry out right-side displacement while rotating, and the sleeving hole is fixed with the driving end of the adjusting motor.
2. The hollow nail sight for femoral neck fracture according to claim 1, wherein the femoral clamping component comprises a guide plate, an elastic clip and a positioning hole, the elastic clip is arranged at the front end of the guide plate, and the positioning hole is formed at the rear side of the lower end of the guide plate.
3. The hollow nail sighting device for femoral neck fracture according to claim 1, wherein the handheld clamping assembly comprises a reinforcing plate, an embedded block, a handheld block, a half-arc clamping rod and a reinforcing rod, the embedded block is arranged at the upper end of the reinforcing plate, the handheld block is arranged at the rear end of the reinforcing plate, the half-arc clamping rod is arranged on the left side of the front end of the reinforcing plate, and the reinforcing rod is arranged in the middle of the lower end of the reinforcing plate.
4. The hollow nail sighting device for femoral neck fracture according to claim 1, wherein the radian adjusting component comprises an adjusting limiting rod, a splicing groove and an elastic rod, the left end of the adjusting limiting rod is provided with the splicing groove, and the elastic rod is arranged above the splicing groove.
5. The femoral neck fracture hollow nail sight according to claim 2, wherein the guide plate and the elastic clip are in an integrated structure, and the positioning hole is obliquely formed.
6. The hollow nail sighting device for femoral neck fracture according to claim 3, wherein positioning blocks are arranged at four corners of the upper end of the embedded block, the whole shape of the handheld block is elliptical, and the reinforcing plate, the handheld block and the half-arc clamping rod are integrally molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311284802.5A CN117297744B (en) | 2023-10-07 | 2023-10-07 | Femur neck fracture hollow nail sighting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311284802.5A CN117297744B (en) | 2023-10-07 | 2023-10-07 | Femur neck fracture hollow nail sighting device |
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| Publication Number | Publication Date |
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| CN117297744A CN117297744A (en) | 2023-12-29 |
| CN117297744B true CN117297744B (en) | 2024-03-29 |
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| CN202311284802.5A Active CN117297744B (en) | 2023-10-07 | 2023-10-07 | Femur neck fracture hollow nail sighting device |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB470579A (en) * | 1936-02-18 | 1937-08-18 | Roger Anderson | Improvements in or relating to splints for use in the reduction of fractures of bones having ball and socket articulation |
| US5616146A (en) * | 1994-05-16 | 1997-04-01 | Murray; William M. | Method and apparatus for machining bone to fit an orthopedic surgical implant |
| US6258096B1 (en) * | 1999-04-07 | 2001-07-10 | Mizuho Ika Kogyo Kabushiki Kaisha | Extramedullary femoral clamp guide system for total knee arthroplasty |
| JP2005334139A (en) * | 2004-05-25 | 2005-12-08 | Mizuho Co Ltd | Bone fracture treatment method for animal |
| RU2010122609A (en) * | 2010-06-02 | 2011-12-10 | Евгений Петрович Костив (RU) | METHOD FOR OSTEOSYNTHESIS OF FEMORAL NECK FRACTURES AND DEVICE FOR ITS IMPLEMENTATION |
| CN202288471U (en) * | 2011-09-30 | 2012-07-04 | 肖洪 | Guiding device for percutaneous hollow-screw internal fixation for femur near-end fractures |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| CN106725820A (en) * | 2017-01-11 | 2017-05-31 | 邓迎生 | Torsion angle reference system fixed point is wrong before neck of femur aims at hollow nail fixed system away from guide pin |
| CN109009399A (en) * | 2018-06-20 | 2018-12-18 | 陈聚伍 | Fracture of neck of femur hollow nail accurate-location device |
| CN111772768A (en) * | 2020-08-12 | 2020-10-16 | 邓迎生 | First-level hollow nail minimally invasive mechanical implantation system based on femoral neck surgery central axis |
| CN213665552U (en) * | 2020-09-27 | 2021-07-13 | 浙江自贸区雅各国际贸易有限公司 | Femoral joint tapping positioning device |
-
2023
- 2023-10-07 CN CN202311284802.5A patent/CN117297744B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB470579A (en) * | 1936-02-18 | 1937-08-18 | Roger Anderson | Improvements in or relating to splints for use in the reduction of fractures of bones having ball and socket articulation |
| US5616146A (en) * | 1994-05-16 | 1997-04-01 | Murray; William M. | Method and apparatus for machining bone to fit an orthopedic surgical implant |
| US6258096B1 (en) * | 1999-04-07 | 2001-07-10 | Mizuho Ika Kogyo Kabushiki Kaisha | Extramedullary femoral clamp guide system for total knee arthroplasty |
| JP2005334139A (en) * | 2004-05-25 | 2005-12-08 | Mizuho Co Ltd | Bone fracture treatment method for animal |
| RU2010122609A (en) * | 2010-06-02 | 2011-12-10 | Евгений Петрович Костив (RU) | METHOD FOR OSTEOSYNTHESIS OF FEMORAL NECK FRACTURES AND DEVICE FOR ITS IMPLEMENTATION |
| CN202288471U (en) * | 2011-09-30 | 2012-07-04 | 肖洪 | Guiding device for percutaneous hollow-screw internal fixation for femur near-end fractures |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| CN106725820A (en) * | 2017-01-11 | 2017-05-31 | 邓迎生 | Torsion angle reference system fixed point is wrong before neck of femur aims at hollow nail fixed system away from guide pin |
| CN109009399A (en) * | 2018-06-20 | 2018-12-18 | 陈聚伍 | Fracture of neck of femur hollow nail accurate-location device |
| CN111772768A (en) * | 2020-08-12 | 2020-10-16 | 邓迎生 | First-level hollow nail minimally invasive mechanical implantation system based on femoral neck surgery central axis |
| CN213665552U (en) * | 2020-09-27 | 2021-07-13 | 浙江自贸区雅各国际贸易有限公司 | Femoral joint tapping positioning device |
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| Publication number | Publication date |
|---|---|
| CN117297744A (en) | 2023-12-29 |
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