CN117898815A - Universal needle threading guider for orthopaedics - Google Patents
Universal needle threading guider for orthopaedics Download PDFInfo
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- CN117898815A CN117898815A CN202211402946.1A CN202211402946A CN117898815A CN 117898815 A CN117898815 A CN 117898815A CN 202211402946 A CN202211402946 A CN 202211402946A CN 117898815 A CN117898815 A CN 117898815A
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- 230000000399 orthopedic effect Effects 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 abstract description 16
- 208000017740 grade III prostatic intraepithelial neoplasia Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 206010066901 Treatment failure Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 210000002027 skeletal muscle Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a universal needle threading guider for orthopaedics, which relates to the technical field of medical appliances, and has the technical scheme that: the device comprises a first strip-shaped sliding rail, a second strip-shaped sliding rail, a first cylindrical angle device, an arc-shaped sliding rail, a first connecting piece, a second connecting piece, a longitudinal connecting rod, a connecting plate, 2 sleeves, a second cylindrical angle device and a sliding fixing piece which can be detachably and slidably connected with the first strip-shaped sliding rail, the second strip-shaped sliding rail and the arc-shaped sliding rail. The orthopedic needle threading guide can realize needle threading guide and position adjustment and fixation of three planes (sagittal plane, coronal plane and cross section), has flexible and comprehensive needle threading guide position adjustment and simple operation, and can realize three-dimensional angle adjustment and guide of the bone threading needle in multiple directions.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a universal needle threading guider for orthopaedics.
Background
Orthopedics, also known as orthopedics, is a specialty or discipline of medicine that specializes in the dissection, physiology and pathology of the skeletal muscle system, uses pharmaceutical, surgical and physical methods to maintain and develop the normal morphology and function of the system, and treats injuries to the system. In the orthopedic surgery, the operation of needle penetration and drilling is often used for resetting and fixing fractured bones, and in the orthopedic surgery process, medical staff is generally used for holding an orthopedic surgery instrument and finishing the orthopedic surgery by means of personal experience and instrument indication.
In the orthopedic operation, the operation of threading and drilling is often applied to reposition and fix bones, which requires that the direction and position of the threading must be accurate to achieve good operation quality. In orthopaedics clinic, the traditional orthopaedics needle threading is directly carried out by a visual inspection method of the Kirschner wire according to experience by a hand drill or an electric drill, and the method is easy to cause inaccurate needle threading direction, is easy to accidentally injure surrounding tissues and even causes treatment failure. The guiding and fixing device for the bone puncture needle in the prior art can only guide and fix the puncture needle on one two-dimensional plane, the guiding position is not flexible to adjust, the operation is complicated, and the adjustment and the guiding of angles on a plurality of surfaces of the bone puncture needle in a three-dimensional way cannot be realized.
Accordingly, the present invention is directed to providing a universal needle guide for orthopaedics to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the problems and provide the universal needle threading guide for orthopaedics, which can realize needle threading guide of three planes (sagittal plane, coronal plane and transverse plane) and position adjustment and fixation, has flexible and comprehensive needle threading guide position adjustment and simple operation, and can realize three-dimensional angle adjustment and guide of the bone threading in multiple directions.
The technical aim of the invention is realized by the following technical scheme: the universal needle threading guider for orthopaedics comprises a strip-shaped slide rail I, a strip-shaped slide rail II, a cylindrical angle device I, an arc-shaped slide rail, a guide component matched with the arc-shaped slide rail, a connecting piece I, a connecting piece II, a longitudinal connecting rod, a connecting plate, 2 sleeves, a cylindrical angle device II and a sliding fixing piece which can be detachably and slidably connected with the strip-shaped slide rail I and the strip-shaped slide rail II; the longitudinal connecting rod is vertically and fixedly arranged in the middle of the top surface of the sliding fixing piece; the connecting plate is arranged at the top end of the longitudinal connecting rod, the top end of the longitudinal connecting rod penetrates through the wall thickness of the middle part of the connecting plate, the second cylindrical angle device is fixedly connected with the top end of the longitudinal connecting rod, the connecting plate is rotatably and movably connected with the side wall of the top end of the longitudinal connecting rod, and the top surface of the second cylindrical angle device is flush with the top surface of the connecting plate; the 2 sleeves are symmetrically arranged on two sides of the connecting plate respectively;
The guide assembly is detachably and slidably connected with the arc convex surface of the arc-shaped sliding rail; the guide assembly comprises an arc-shaped substrate, a telescopic fixed rod, a connecting plate and 2 sleeves, wherein the arc-shaped substrate can be attached to the arc convex surface of the arc-shaped sliding rail, the telescopic fixed rod is fixedly connected with the basic top surface of the arc, the connecting plate is fixedly connected with the telescopic end of the telescopic fixed rod, the two ends of the connecting plate are respectively connected with the two sleeves, and the sleeves in the 2 guide assemblies are perpendicular to the arc surface of the arc-shaped sliding rail; the arc-shaped baseplate is fixedly connected with the arc convex surface of the arc-shaped sliding rail in a sliding manner;
One end of the first strip-shaped sliding rail is connected with the side wall of the first connecting piece, one end of the second strip-shaped sliding rail is connected with the side wall of the second connecting piece, and the side surface of the first connecting piece, which is away from one end part of the first strip-shaped sliding rail, and the side surface of the second connecting piece, which is away from the second end part of the strip-shaped sliding rail, are arc surfaces which are matched with one side surface of the cylindrical angle device; the arc surfaces of the first connecting piece and the second connecting piece are detachably and movably connected with the side surface of the first cylindrical angle device, and the side surface of the first cylindrical angle device is wrapped and attached by the arc surfaces of the first connecting piece and the second connecting piece;
The first strip-shaped sliding rail and the second strip-shaped sliding rail are respectively provided with a rectangular hollow-out which penetrates through the middle part of the top surface to the middle part of the bottom surface along the length direction of the first strip-shaped sliding rail and the second strip-shaped sliding rail, the side surface of the first connecting piece, which is away from the arc surface of the first connecting piece, is communicated with the rectangular hollow-out on the first strip-shaped sliding rail, and the side surface of the second connecting piece, which is away from the arc surface of the second connecting piece, is communicated with the rectangular hollow-out on the second strip-shaped sliding rail;
the top end of the arc-shaped sliding rail is detachably connected with the bottom surface of the cylindrical angle device; the arc-shaped sliding rail wall surface is provided with angle scales;
A sliding groove is formed in one side wall of the cylindrical angle device along the circumferential direction of the cylindrical angle device; two opposite side walls of one end, far away from the first strip-shaped sliding rail, of the first connecting piece are provided with a first threaded shaft pin piece, and the end part of the first threaded shaft pin piece is fixedly connected with a first ball; the end part of the first threaded shaft pin piece penetrates through the wall thickness of one side wall of the connecting piece to enable the first ball to extend into the sliding groove, and the outer wall of the first threaded shaft pin piece is screwed with the inner threads of the wall thickness of the one side wall of the connecting piece;
The two opposite side walls of one end, far away from the strip-shaped sliding rail II, of the connecting piece II are provided with threaded shaft pin pieces II, and the end parts of the threaded shaft pin pieces II are fixedly connected with ball bearings II; the end part of the threaded shaft pin II penetrates through the wall thickness of the side wall of the connecting piece II to enable the ball II to extend into the sliding groove, and the outer wall of the threaded shaft pin II is screwed with the wall thickness inner threads of the side wall of the connecting piece II;
The side walls of the first connecting piece and the second connecting piece, which are communicated with the rectangular hollow, are respectively provided with a threaded shaft pin piece III, the end parts of which penetrate through the wall thickness of the threaded shaft pin pieces and can extend into the sliding groove, and the three end parts of the threaded shaft pin pieces are provided with a ball III which can slide around the sliding groove;
the two sides of the top surface of the sliding fixing piece are symmetrically provided with bolt fixing pieces with two ends penetrating through the wall thickness of the bolt fixing pieces, and the first strip-shaped sliding rail, the second strip-shaped sliding rail and the arc-shaped sliding rail are respectively provided with a fixing groove for the end parts of the bolt fixing pieces to be in abutting joint and fixing.
In the scheme, the needle threading guide device is utilized to conduct needle threading guide when the needle threading operation process is conducted in the orthopedic operation. The sliding fixing piece can slide on the first strip-shaped sliding rail and the second strip-shaped sliding rail, so that the sleeve arranged at the top end of the longitudinal connecting rod is driven to adjust the position, the needle threading guiding position is adjusted, and after the sliding fixing piece slides on the first strip-shaped sliding rail or the second strip-shaped sliding rail, the fixing of the sliding position can be conveniently realized through the bolt fixing piece, and the fixing of the sliding fixing piece after sliding to any position can be realized; the connecting plate is arranged at the top end of the longitudinal connecting rod and is in rotary movable connection with the longitudinal connecting rod, the cylindrical angle device II is arranged on the top surface of the connecting plate, and the sleeve is arranged on two sides of the connecting plate, so that the rotary movement of the connecting plate can conveniently drive the sleeve to realize the rotary angle adjustment, and the plane angle adjustment of the needle threading guide can be realized; the first connecting piece and the second connecting piece can realize the detachable movable connection of the first strip-shaped sliding rail and the second strip-shaped sliding rail with the side wall of the first cylindrical angle device, and on the other hand, the first threaded shaft pin piece, the second threaded shaft pin piece and the third threaded shaft pin piece are matched with each other conveniently to realize the angle adjustment of the first strip-shaped sliding rail and the second strip-shaped sliding rail in the vertical direction and the angle adjustment of the first strip-shaped sliding rail and the second strip-shaped sliding rail in the horizontal plane; when the sliding fixing piece is arranged on the arc-shaped sliding rail to slide, the threading needle on the cross section of the bone can be conveniently guided and the angle position can be adjusted.
According to the scheme, the sleeve is driven to move along the first strip-shaped sliding rail or the second strip-shaped sliding rail through the sliding fixing piece, so that needle threading guiding at any position in the sliding direction of the first strip-shaped sliding rail or the second strip-shaped sliding rail is realized; the first strip-shaped sliding rail and the second strip-shaped sliding rail can be adjusted and fixed at an angle in the horizontal direction, and the angle adjustment can be measured through a first cylindrical angle meter; the first strip-shaped sliding rail and the second strip-shaped sliding rail can be adjusted and fixed at an angle in the vertical direction; the angle adjustment on the horizontal plane and the angle adjustment in the vertical direction between the first strip-shaped sliding rail and the second strip-shaped sliding rail are utilized, so that the needle threading guiding adjustment on the bone sagittal plane and the coronal plane is conveniently realized; through circular-arc slide rail, be convenient for realize the guide to the needle on the bone cross section and can carry out angular position adjustment.
The invention is further provided with: the cross sections of the first strip-shaped sliding rail and the second strip-shaped sliding rail are rectangular, and the top surfaces and the bottom surfaces of the first strip-shaped sliding rail and the second strip-shaped sliding rail are provided with two sliding grooves for sliding connection of two ends of the bottom of the sliding fixing piece; the sliding grooves on the first strip-shaped sliding rail and the second strip-shaped sliding rail are arranged along the length direction of the sliding grooves.
The invention is further provided with: the cross section of the arc-shaped sliding rail is a quarter arc, and the arc-shaped sliding rail is made of transparent materials.
The invention is further provided with: the first cylindrical angle device and the second cylindrical angle device are respectively provided with an angle dial.
The invention is further provided with: the bottom surface of the first cylindrical angle device is provided with a clamping groove, the top end of the circular arc-shaped sliding rail is provided with a clamping piece, and the circular arc-shaped sliding rail is detachably connected with the first cylindrical angle device through the clamping piece and the clamping groove.
The invention is further provided with: the arc convex surface of the arc-shaped sliding rail is provided with an arc sliding groove; the arc convex surface of the arc-shaped sliding rail is also provided with two fixed clamping grooves positioned at two sides of the arc-shaped sliding groove; the bottom end of the telescopic fixed rod penetrates through the arc-shaped base plate and extends into the arc-shaped sliding groove to be in sliding connection with the arc-shaped sliding groove; the arc-shaped substrate is characterized in that two sides of the top surface of the arc-shaped substrate are provided with threaded fixing bolts penetrating through the wall thickness of the arc-shaped substrate, and the bottom ends of the threaded fixing bolts can extend into the fixing clamping grooves to be fixedly connected with the arc-shaped sliding rails.
The invention is further provided with: the longitudinal connecting rod adopts a telescopic fixed rod.
In summary, the invention has the following beneficial effects:
According to the needle threading guide, the sleeve is driven to move along the first strip-shaped sliding rail or the second strip-shaped sliding rail through the sliding fixing piece, so that needle threading guide at any position in the sliding direction of the first strip-shaped sliding rail or the second strip-shaped sliding rail is realized; the first strip-shaped sliding rail and the second strip-shaped sliding rail can be adjusted and fixed at an angle in the horizontal direction, and the angle adjustment can be measured through a first cylindrical angle meter; the first strip-shaped sliding rail and the second strip-shaped sliding rail can be adjusted and fixed at an angle in the vertical direction; the angle adjustment on the horizontal plane and the angle adjustment in the vertical direction between the first strip-shaped sliding rail and the second strip-shaped sliding rail are utilized, so that the needle threading guiding adjustment on the bone sagittal plane and the coronal plane is conveniently realized; through circular-arc slide rail, be convenient for realize the guide to the needle on the bone cross section and can carry out angular position adjustment.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic view of a cylindrical angle device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the bottom surface of a first cylindrical angle gauge according to an embodiment of the present invention;
FIG. 4 is a schematic view of a circular arc shaped slide rail according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the first threaded pin, the second threaded pin, and the third threaded pin in accordance with an embodiment of the present invention;
FIG. 6 is a side view of a connection structure of a sliding fastener and a sleeve according to an embodiment of the present invention;
FIG. 7 is another side view of the connection structure of the sliding fastener and sleeve according to an embodiment of the present invention;
Fig. 8 is a top view of the connection structure of the sleeve, the connection plate and the cylindrical angle device II according to the embodiment of the invention.
In the figure: 1. a strip-shaped sliding rail I; 2. a second strip-shaped sliding rail; 3. a cylindrical angle device I; 4. arc slide rail; 5. a first connecting piece; 6. a second connecting piece; 7. a longitudinal connecting rod; 8. a connecting plate; 9. a sleeve; 10. a cylindrical angle device II; 11. a sliding fixing member; 12. rectangular hollows; 13. an angle scale; 14. a sliding groove; 15. a threaded shaft pin I; 16. a threaded shaft pin II; 17. a first ball; 18. a second ball; 19. a threaded shaft pin III; 20. a third ball; 21. a bolt fixing member; 22. a fixing groove; 23. a chute; 24. an angle dial; 25. a clamping groove; 26. a clamping piece; 27. an arc-shaped substrate; 28. a retractable fixing rod; 29. a connection substrate; 30. an arc-shaped sliding groove; 31. a fixing slot; 32. a threaded securing bolt.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, wherein it is to be understood that the illustrated embodiments are merely exemplary of some, but not all, of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The present invention will be described in detail with reference to examples.
Examples:
As shown in fig. 1 to 8, the universal threading guide for orthopaedics comprises a first strip-shaped slide rail 1, a second strip-shaped slide rail 2, a first cylindrical angle device 3, an arc-shaped slide rail 4, a guide component matched with the arc-shaped slide rail 4, a first connecting piece 5, a second connecting piece 6, a longitudinal connecting rod 7, a connecting plate 8, 2 sleeves 9, a second cylindrical angle device 10 and a sliding fixing piece 11 which can be detachably and slidably connected with the first strip-shaped slide rail 1 and the second strip-shaped slide rail 2. The longitudinal connecting rod 7 is vertically and fixedly arranged in the middle of the top surface of the sliding fixing piece 11. The connecting plate 8 is installed on the top of the longitudinal connecting rod 7, the top of the longitudinal connecting rod 7 penetrates through the wall thickness of the middle part of the connecting plate 8, the second cylindrical angle device 10 is fixedly connected with the top of the longitudinal connecting rod 7, the connecting plate 8 is rotatably and movably connected with the side wall of the top of the longitudinal connecting rod 7, and the top surface of the second cylindrical angle device 10 is flush with the top surface of the connecting plate 8. The 2 sleeves 9 are symmetrically arranged on two sides of the connecting plate 8 respectively.
The guide component is detachably and slidably connected with the arc convex surface of the arc-shaped sliding rail 4; the guide assembly comprises an arc-shaped substrate 27 which can be attached to the arc convex surface of the arc-shaped slide rail 4, a telescopic fixed rod 28 (convenient for adjusting the height of the sleeve 9) fixedly connected with the arc-shaped basic top surface, a connecting substrate 29 fixedly connected with the telescopic end of the telescopic fixed rod 28, and 2 sleeves 9 respectively connected with the two ends of the connecting substrate 29, wherein the sleeves 9 in the 2 guide assemblies are vertical to the arc surface of the arc-shaped slide rail 4; the arc-shaped base plate 27 is fixedly connected with the arc convex surface of the arc-shaped sliding rail 4 in a sliding manner.
One end of the first strip-shaped sliding rail 1 is connected with the side wall of the first connecting piece 5, one end of the second strip-shaped sliding rail 2 is connected with the side wall of the second connecting piece 6, and the side surface of the first connecting piece 5, which is away from the end of the first strip-shaped sliding rail 1, and the side surface of the second connecting piece 6, which is away from the end of the second strip-shaped sliding rail 2, are arc surfaces which are matched with the side surface of the first cylindrical angle device 3. The arc surfaces of the first connecting piece 5 and the second connecting piece 6 are detachably and movably connected with the side surface of the first cylindrical angle device 3, and the arc surfaces of the first connecting piece 5 and the second connecting piece 6 wrap and attach the side surface of the first cylindrical angle device 3.
The strip-shaped sliding rail 1 and the strip-shaped sliding rail 2 are rectangular hollowed-out parts 12 penetrating from the middle part of the top surface to the middle part of the bottom surface along the length direction, the side surface of the connecting piece I5, which is away from the arc surface of the connecting piece I5, is communicated with the rectangular hollowed-out parts 12 on the strip-shaped sliding rail 1, and the side surface of the connecting piece II 6, which is away from the arc surface of the connecting piece II 6, is communicated with the rectangular hollowed-out parts 12 on the strip-shaped sliding rail II 2.
The top end of the arc-shaped sliding rail 4 is detachably connected with the bottom surface of the cylindrical angle device I3. The wall surface of the arc-shaped sliding rail 4 is carved with angular scales 13, so that the angular change of sliding displacement of the sleeve 9 on the arc-shaped sliding rail is conveniently measured.
The cylindrical angle device 3 is provided with a sliding groove 14 along its circumferential direction on its side wall. The two opposite side walls of one end of the first connecting piece 5 far away from the first strip-shaped sliding rail 1 are provided with first threaded shaft pin pieces 15, the end parts of the first threaded shaft pin pieces 15 are provided with first balls 17 which penetrate through the wall thickness of the side wall of the first connecting piece 5 and can extend into the sliding groove 14, and the outer wall of the first threaded shaft pin pieces 15 are in threaded connection with the inner threads of the wall thickness of the side wall of the first connecting piece 5. When the strip-shaped sliding rail I1 needs to be adjusted at an angle in the vertical direction relative to the strip-shaped sliding rail II 2, the threaded shaft pin III 19 is twisted firstly, the end part of the threaded shaft pin III 19 is withdrawn from the sliding groove 14 on the side wall of the cylindrical angle meter I3, the strip-shaped sliding rail I1 connected with the connecting piece I5 is pulled at the moment, the end part of the threaded shaft pin I15 extends into the ball 17 in the sliding groove 14 to realize the angular rotation of the strip-shaped sliding rail I1 relative to the strip-shaped sliding rail II 2 in the vertical direction, and after the rotation, the end part of the threaded shaft pin III 19 extends into the sliding groove 14 to fix the position of the threaded shaft pin III 19 after the angular rotation in the vertical direction.
The two opposite side walls of the end, far away from the strip-shaped sliding rail II 2, of the connecting piece II 6 are provided with threaded shaft pin II 16, and the end part of the threaded shaft pin II 16 is fixedly connected with a ball II 18. The end of the second threaded shaft pin 16 penetrates through the wall thickness of the side wall of the second connecting piece 6 to enable the second ball 18 to extend into the sliding groove 14, and the outer wall of the second threaded shaft pin 16 is screwed with the wall thickness of the side wall of the second connecting piece 6. The second strip-shaped sliding rail 2 can be pulled to rotate at an angle in the vertical direction with the first strip-shaped sliding rail 1 through the second threaded shaft pin piece 16, the second ball 18 and the second connecting piece 6.
The side walls of the first connecting piece 5 and the second connecting piece 6, which are communicated with the rectangular hollow 12, are respectively provided with a threaded shaft pin piece III 19, the end parts of which penetrate through the wall thickness and can extend into the sliding groove 14, and the end parts of the threaded shaft pin pieces III 19 are provided with a ball III 20 which can slide around the sliding groove 14. When the strip-shaped sliding rail 1 needs to rotate at an angle relative to the strip-shaped sliding rail 2 in the horizontal plane, the ball knob at the end part of the first threaded shaft pin 15 or the second threaded shaft pin 16 is taken out of the sliding groove 14, then the ball knob at the end part of the third threaded shaft pin 19 is taken into the sliding groove 14, the rod body length of the third threaded shaft pin 19 is designed to be longer than the lengths of the first connecting piece 5 and the second connecting piece 6, so that after the ball knob at the third threaded shaft pin 19 extends into the sliding groove 14, the cambered surface of the first connecting piece 5 or the second connecting piece 6 is far away from the side surface of the first cylindrical angle device 3, and at the moment, the ball knob at the end part of the first threaded shaft pin 15 or the end part of the second threaded shaft pin 16 can slide along the direction of the sliding groove 14 through the ball knob at the third threaded shaft pin 19, thereby realizing the angular rotation of the strip-shaped sliding rail 1 relative to the strip-shaped sliding rail 2 in the horizontal plane and the measurement of the rotation angle through the first cylindrical angle device 3.
The bolt fixing pieces 21 with two end parts penetrating through the wall thickness are symmetrically arranged on two sides of the top surface of the sliding fixing piece 11, the first strip-shaped sliding rail 1, the second strip-shaped sliding rail 2 and the circular arc-shaped sliding rail 4 are respectively provided with a fixing groove 22 for the end parts of the bolt fixing pieces 21 to be abutted and clamped and fixed, and after the end parts of the knob bolt fixing pieces 21 extend into the fixing grooves 22 and are clamped and connected with the fixing grooves 22, the fixing of the positions after the sleeve 9 moves at any positions can be realized.
The cross sections of the first strip-shaped sliding rail 1 and the second strip-shaped sliding rail 2 are rectangular, two sliding grooves 23 for sliding connection of two ends of the bottom of the sliding fixing piece 11 are formed in the top surface and the bottom surface of the first strip-shaped sliding rail 1 and the bottom surface of the second strip-shaped sliding rail 2 at intervals, the sliding grooves 23 on the first strip-shaped sliding rail 1 and the second strip-shaped sliding rail 2 are arranged along the length direction, and the sliding of the sliding fixing piece 11 on the top surface or the bottom surface of the first strip-shaped sliding rail 1 or the second strip-shaped sliding rail 2 is realized by the sliding grooves 23.
The section of the arc-shaped sliding rail 4 is a quarter arc, namely the radian of the arc-shaped sliding rail 4 is 90 degrees, and the arc-shaped sliding rail 4 is made of transparent materials, so that the scale after movement can be conveniently watched.
The top surfaces of the first cylindrical angle gauge 3 and the second cylindrical angle gauge 10 are respectively provided with an angle dial 24 for measuring angle change.
The clamping groove 25 is machined in the bottom surface of the cylindrical angle device I3, the clamping piece 26 matched with the clamping groove 25 is installed at the top end of the circular arc-shaped sliding rail 4, the circular arc-shaped sliding rail 4 is detachably connected with the cylindrical angle device I3 through the clamping piece 26 and the clamping groove 25, and the circular arc-shaped sliding rail 4 is convenient to detach when the circular arc-shaped sliding rail 4 is not used for guiding a bone cross section through a needle, and is installed when in use.
In this embodiment, the clamping groove 25 is a rectangular groove, the cross section of the clamping piece 26 is a rectangular shape matched with the clamping groove 25, and the edge of the clamping groove 25 has a certain range of elastic deformation, so that the clamping piece 26 is conveniently inserted into the clamping groove 25 and then stably connected.
The arc convex surface of the arc-shaped sliding rail 4 is provided with an arc sliding groove 30; the arc convex surface of the arc-shaped slide rail 4 is also provided with two fixed clamping grooves 31 positioned at two sides of the arc-shaped slide groove 30; the bottom end of the telescopic fixed rod 28 penetrates through the arc-shaped base plate 27 and extends into the arc-shaped sliding groove 31 to be in sliding connection with the arc-shaped sliding groove 31; the screw thread fixing bolts 32 penetrating through the wall thickness of the arc-shaped substrate 27 are arranged on two sides of the top surface of the arc-shaped substrate 27, the bottom ends of the screw thread fixing bolts 32 can extend into the fixing clamping grooves 31 to be fixedly connected with the arc-shaped sliding rails 4, and the sliding positions of the guiding components can be fixed by adjusting the matching of the screw thread fixing bolts 32 and the fixing clamping grooves 31 after the guiding components slide at any positions on the arc-shaped sliding rails 4.
The longitudinal connecting rod 7 adopts a telescopic fixed rod, so that the height of the sleeve 9 can be conveniently adjusted.
Working principle: the needle threading guide of the present invention is used for needle threading guide when the needle threading operation is performed in the orthopedic operation. Through strip slide rail 1 and strip slide rail two 2, can realize that slide fastener 11 carries out sliding displacement above that to drive the position control who sets up in sleeve 9 on longitudinal connecting rod 7 top, thereby realize the regulation of puncture guiding position, and, slide fastener 11 carries out the slip displacement on strip slide rail 1 or strip slide rail two 2 after, through bolt fastener 21, be convenient for realize the fixed of sliding position, and can realize the fixed after slide fastener 11 slides to arbitrary position. Install connecting plate 8 on longitudinal connecting rod 7 top and with longitudinal connecting rod 7 rotatory swing joint to cylindric angle ware two 10 are installed to connecting plate 8 top surface, and sleeve 9 installs in connecting plate 8 both sides, is convenient for realize the rotatory activity of connecting plate 8 and drives sleeve 9 and realize rotation angle regulation, thereby realizes the plane angle regulation of needle threading direction. Through connecting piece one 5 and connecting piece two 6, can realize the removable swing joint of strip slide rail one 1 and strip slide rail two 2 and cylindric angle ware one 3 lateral wall on the one hand, on the other hand, be convenient for cooperate screw thread axle round pin spare one 15, screw thread axle round pin spare two 16 and screw thread axle round pin spare three 19 respectively realize the angular adjustment on vertical orientation between strip slide rail one 1 and strip slide rail two 2 and the angular adjustment on the horizontal plane between strip slide rail one 1 and strip slide rail two 2. When the sliding fixing piece 11 is arranged on the arc-shaped sliding rail 4 to slide, the threading needle on the cross section of the bone can be conveniently guided and the angle position can be adjusted.
According to the embodiment of the invention, the sliding fixing piece 11 is designed to drive the sleeve 9 to move along the first strip-shaped sliding rail 1 or the second strip-shaped sliding rail 2, so that the needle threading guiding at any position in the sliding direction on the first strip-shaped sliding rail 1 or the second strip-shaped sliding rail 2 is realized. And the first strip-shaped sliding rail 1 and the second strip-shaped sliding rail 2 can be adjusted and fixed at an angle in the horizontal direction, and the angle adjustment can be measured through the first cylindrical angle device 3. The first strip-shaped sliding rail 1 and the second strip-shaped sliding rail 2 can also be adjusted and fixed at an angle in the vertical direction. The angle adjustment on the horizontal plane and the angle adjustment in the vertical direction between the first strip-shaped sliding rail 1 and the second strip-shaped sliding rail 2 are utilized, so that the needle threading guiding adjustment on the bone sagittal plane and the coronal plane is convenient to realize. Through circular-arc slide rail 4, be convenient for realize guiding and can carry out angular position adjustment to the needle on the bone cross section.
The orthopedic needle threading guide device can realize needle threading guide and position adjustment and fixation of three planes (such as the angle of a second needle is determined after the first needle is implanted, guide adjustment and angle measurement can be carried out on three planes of the first needle, namely needle threading guide of sagittal plane, coronal plane and cross section can be realized), the position adjustment of the needle threading guide is flexible and comprehensive, the operation is simple, and the adjustment and guide of angles in multiple directions of the bone threading needle can be realized.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (7)
1. An orthopedic universal needle threading guider is characterized in that: the device comprises a first strip-shaped sliding rail (1), a second strip-shaped sliding rail (2), a first cylindrical angle device (3), an arc-shaped sliding rail (4), a guide component matched with the arc-shaped sliding rail (4), a first connecting piece (5), a second connecting piece (6), a longitudinal connecting rod (7), a connecting plate (8), 2 sleeves (9), a second cylindrical angle device (10) and a sliding fixing piece (11) which can be detachably and slidably connected with the first strip-shaped sliding rail (1) and the second strip-shaped sliding rail (2); the longitudinal connecting rod (7) is vertically and fixedly arranged in the middle of the top surface of the sliding fixing piece (11); the connecting plate (8) is arranged at the top end of the longitudinal connecting rod (7), the top end of the longitudinal connecting rod (7) penetrates through the wall thickness of the middle part of the connecting plate (8), the second cylindrical angle device (10) is fixedly connected with the top end of the longitudinal connecting rod (7), the connecting plate (8) is rotatably and movably connected with the side wall of the top end of the longitudinal connecting rod (7), and the top surface of the second cylindrical angle device (10) is flush with the top surface of the connecting plate (8); the 2 sleeves (9) are symmetrically arranged on two sides of the connecting plate (8) respectively;
The guide component is detachably and slidably connected with the arc convex surface of the arc-shaped sliding rail (4); the guide assembly comprises an arc substrate (27) capable of being attached to the arc convex surface of the arc-shaped sliding rail (4), a telescopic fixed rod (28) fixedly connected with the arc basic top surface, a connecting substrate (29) fixedly connected with the telescopic end of the telescopic fixed rod (28) and 2 sleeves (9) respectively connected with two ends of the connecting substrate (29), wherein the sleeves (9) in the 2 guide assemblies are perpendicular to the arc surface of the arc-shaped sliding rail (4); the arc-shaped base plate (27) is fixedly connected with the arc convex surface of the arc-shaped sliding rail (4) in a sliding manner;
One end of the first strip-shaped sliding rail (1) is connected with the side wall of the first connecting piece (5), one end of the second strip-shaped sliding rail (2) is connected with the side wall of the second connecting piece (6), and the side surface of the first connecting piece (5) deviating from the end part of the first strip-shaped sliding rail (1) and the side surface of the second connecting piece (6) deviating from the end part of the second strip-shaped sliding rail (2) are arc surfaces which are matched with the side surface of the first cylindrical angle device (3); the arc surfaces of the first connecting piece (5) and the second connecting piece (6) are detachably and movably connected with the side surface of the first cylindrical angle device (3), and the arc surfaces of the first connecting piece (5) and the second connecting piece (6) wrap and attach the side surface of the first cylindrical angle device (3);
The strip-shaped sliding rail I (1) and the strip-shaped sliding rail II (2) are respectively provided with a rectangular hollow (12) penetrating from the middle of the top surface to the middle of the bottom surface along the length direction, the side surface of the connecting piece I (5) deviating from the arc surface of the connecting piece I (5) is communicated with the rectangular hollow (12) on the strip-shaped sliding rail I (1), and the side surface of the connecting piece II (6) deviating from the arc surface of the connecting piece II (6) is communicated with the rectangular hollow (12) on the strip-shaped sliding rail II (2);
the top end of the arc-shaped sliding rail (4) is detachably connected with the bottom surface of the cylindrical angle device I (3); the wall surface of the arc-shaped sliding rail (4) is provided with angle scales (13);
The side wall of the cylindrical angle device I (3) is provided with a sliding groove (14) along the circumferential direction; two opposite side walls of one end, far away from the strip-shaped sliding rail I (1), of the connecting piece I (5) are provided with threaded shaft pin I (15), and the end part of the threaded shaft pin I (15) is fixedly connected with a ball I (17); the end part of the first threaded shaft pin part (15) penetrates through the wall thickness of the side wall of the first connecting part (5) to enable the first ball (17) to extend into the sliding groove (14), and the outer wall of the first threaded shaft pin part (15) is screwed with the inner thread of the wall thickness of the side wall of the first connecting part (5);
Two opposite side walls of one end, far away from the strip-shaped sliding rail II (2), of the connecting piece II (6) are provided with threaded shaft pin II (16), and the end part of the threaded shaft pin II (16) is fixedly connected with a ball II (18); the end part of the threaded shaft pin II (16) penetrates through the wall thickness of the side wall of the connecting piece II (6) to enable the ball II (18) to extend into the sliding groove (14), and the outer wall of the threaded shaft pin II (16) is screwed with the wall thickness internal thread of the side wall of the connecting piece II (6);
The side walls of the first connecting piece (5) and the second connecting piece (6) which are communicated with the rectangular hollow (12) are respectively provided with a threaded shaft pin part III (19) the end parts of which penetrate through the wall thickness and can extend into the sliding groove (14), and the end parts of the threaded shaft pin parts III (19) are provided with a ball III (20) which can slide around the sliding groove (14);
The two sides of the top surface of the sliding fixing piece (11) are symmetrically provided with bolt fixing pieces (21) with two ends penetrating through the wall thickness of the bolt fixing pieces, and the first strip-shaped sliding rail (1), the second strip-shaped sliding rail (2) and the arc-shaped sliding rail (4) are respectively provided with a fixing groove (22) for the end parts of the bolt fixing pieces (21) to be in abutting and clamping fixing.
2. The universal needle guide for orthopaedics according to claim 1, wherein: the cross sections of the first strip-shaped sliding rail (1) and the second strip-shaped sliding rail (2) are rectangular, and two sliding grooves (23) for sliding connection of two ends of the bottom of the sliding fixing piece (11) are formed in the top surface and the bottom surface of the first strip-shaped sliding rail (1) and the bottom surface of the second strip-shaped sliding rail (2); the sliding grooves (23) on the first strip-shaped sliding rail (1) and the second strip-shaped sliding rail (2) are arranged along the length direction of the sliding grooves.
3. The universal needle guide for orthopaedics according to claim 1, wherein: the cross section of the arc-shaped sliding rail (4) is a quarter arc, and the arc-shaped sliding rail (4) is made of transparent materials.
4. The universal needle guide for orthopaedics according to claim 1, wherein: the top surfaces of the first cylindrical angle device (3) and the second cylindrical angle device (10) are respectively provided with an angle dial (24).
5. The universal needle guide for orthopaedics according to claim 1, wherein: the bottom surface of cylindric angle ware one (3) is equipped with joint groove (25), circular-arc slide rail (4) top is equipped with joint spare (26), circular-arc slide rail (4) can dismantle with cylindric angle ware one (3) through joint spare (26) and joint groove (25) and be connected.
6. The universal needle guide for orthopaedics according to claim 1, wherein: an arc sliding groove (30) is formed in the arc convex surface of the arc-shaped sliding rail (4); the arc convex surface of the arc-shaped sliding rail (4) is also provided with two fixed clamping grooves (31) positioned at two sides of the arc-shaped sliding groove (30); the bottom end of the telescopic fixed rod (28) penetrates through the arc-shaped base plate (27) and extends into the arc-shaped sliding groove (31) to be in sliding connection with the arc-shaped sliding groove (31); the two sides of the top surface of the arc-shaped substrate (27) are provided with threaded fixing bolts (32) penetrating through the wall thickness of the arc-shaped substrate (27), and the bottom ends of the threaded fixing bolts (32) can extend into the fixing clamping grooves (31) to be fixedly connected with the arc-shaped sliding rails (4).
7. The universal needle guide for orthopaedics according to claim 1, wherein: the longitudinal connecting rod (7) adopts a telescopic fixed rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211402946.1A CN117898815A (en) | 2022-11-10 | 2022-11-10 | Universal needle threading guider for orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211402946.1A CN117898815A (en) | 2022-11-10 | 2022-11-10 | Universal needle threading guider for orthopaedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117898815A true CN117898815A (en) | 2024-04-19 |
Family
ID=90684385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211402946.1A Pending CN117898815A (en) | 2022-11-10 | 2022-11-10 | Universal needle threading guider for orthopaedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117898815A (en) |
-
2022
- 2022-11-10 CN CN202211402946.1A patent/CN117898815A/en active Pending
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