CN112957113A - Distal locking nail sighting device for interlocking intramedullary nail - Google Patents
Distal locking nail sighting device for interlocking intramedullary nail Download PDFInfo
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- CN112957113A CN112957113A CN202110297164.5A CN202110297164A CN112957113A CN 112957113 A CN112957113 A CN 112957113A CN 202110297164 A CN202110297164 A CN 202110297164A CN 112957113 A CN112957113 A CN 112957113A
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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
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
- A61B17/725—Intramedullary pins, nails or other devices with special means of locking the nail to the bone with locking pins or screws of special form
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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
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Abstract
The invention discloses a sighting device for locking nails at the far end of an interlocking intramedullary nail, which comprises a bottom plate, wherein two sides of the bottom plate are respectively and fixedly provided with a positioning and adsorbing mechanism, four corners at the top of the bottom plate are respectively and fixedly provided with a support pillar, the top of each support pillar is fixedly connected with an ejector block, the top of the ejector block is provided with a through hole, a slide rod is inserted in the through hole in a vertical sliding manner, one side of the lower end of the slide rod is fixedly provided with a first cross rod, the other end of the first cross rod is fixedly provided with a sighting device body, the outside of the sighting device body is fixedly sleeved with two frame bodies which are fixedly connected through a connecting block, the bottom of one frame body positioned at the inner side is fixedly provided with a telescopic pillar which is fixedly arranged at the top of the bottom plate, the outside of the other frame body is provided, the problem of inaccurate locking of the interlocking nail is caused.
Description
Technical Field
The invention relates to the technical field of sighting devices, in particular to a distal locking nail sighting device of an interlocking intramedullary nail.
Background
An intramedullary nail belongs to an orthopedic internal fixation instrument in medical instruments, and has a structure of an intramedullary nail rod, a near end locking screw hole is arranged at the near end of the intramedullary nail rod, the distal end of the intramedullary nail rod is provided with the distal locking screw hole, which is the first choice for internal fixation of femoral shaft fracture and has unique advantages compared with a steel plate, in order to prevent the two parts of the fracture from rotating, two screws are required to transversely penetrate through the femoral shaft and the intramedullary nail for locking, a doctor can combine the intramedullary nail with a drill guide before the intramedullary nail is inserted into a medullary cavity, theoretically, a guide hole of the guide is opposite to a locking screw hole of the intramedullary nail, therefore, the drill bit can penetrate through the guide hole to drill into the locking screw hole, but the intramedullary nail is often deformed under the influence of the curvature of the femur after being inserted into a medullary cavity, so that the drill bit cannot be aligned to the locking screw hole in practical application, and the locking screw is difficult to lock.
Before the distal interlocking nail is driven, the aiming rod is required to penetrate through the aiming arm to abut against the platform at the distal end of the intramedullary nail so as to ensure the accuracy of locking the distal interlocking nail, but the aiming rod does not necessarily abut against the platform during operation, sometimes deviates inwards, sometimes deviates outwards, and causes inaccurate locking of the interlocking nail, so the invention provides the distal interlocking intramedullary nail locking aiming device to solve the problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the interlocking intramedullary nail distal locking nail sighting device, which has the following specific technical scheme:
the interlocking intramedullary nail distal end locking sighting device comprises a bottom plate, wherein two sides of the bottom plate are respectively and fixedly provided with a positioning adsorption mechanism, four corners of the top of the bottom plate are respectively and fixedly provided with a support column, the top of the support column is fixedly connected with an ejector block, the top of the ejector block is provided with a through hole, a slide rod is inserted in the through hole in a vertically sliding manner, the installation position of the slide rod can be fixed, one side of the lower end of the slide rod is fixedly provided with a first cross rod, the other end of the first cross rod is fixedly provided with a sighting device body, two frame bodies are fixedly sleeved outside the sighting device body, the frame bodies are fixedly connected through a connecting block, one of the inner side of each frame body is fixedly provided with a telescopic column, the height of each telescopic column can be fixed, the telescopic columns are, the telescopic pipe is sleeved outside the sighting device body, the telescopic pipe is detachably mounted on the outer wall of the frame body through a plurality of positioning mechanisms, and the positioning mechanisms are fixedly arranged on the outer wall of the frame body at equal angles.
Preferably, the location adsorption equipment includes the square, the square with bottom plate fixed connection, the square top is provided with first elasticity screw rod, first elasticity screw rod with square screw-thread fit, first elasticity screw rod bottom is rotated and is provided with the installation piece, the fixed sucking disc that is provided with in installation piece bottom, the fixed handle that is provided with in slide bar top.
Preferably, a vertical rod is fixedly arranged on one side of the top of the square block, a first sliding groove is longitudinally formed in the inner side of the vertical rod, the top of the first sliding groove is communicated, a first sliding block is arranged in the first sliding groove, the first sliding block is in sliding fit with the first sliding groove, a supporting block is fixedly arranged on the inner side of the first sliding block and is supported on the first elastic screw rod, and the mounting position of the first sliding block can be fixed.
Preferably, a second tightening screw is arranged on the inner side of the first sliding block, the second tightening screw is in threaded fit with the first sliding block, and the first sliding block is abutted and fixed by screwing the second tightening screw.
Preferably, second sliding grooves are longitudinally formed in two sides of the sliding rod respectively, second sliding blocks are arranged in the two second sliding grooves respectively and are in sliding fit with the second sliding grooves, and the two second sliding blocks are fixedly arranged on two sides in the through hole respectively.
Preferably, the top of the bottom plate is fixedly provided with a positioning block, positioning slots are respectively formed in two sides of the positioning block, electric push rods are respectively and transversely fixedly arranged on two sides of the lower end of the sliding rod, telescopic ends of the electric push rods are fixedly connected with telescopic links, the telescopic links are perpendicular to the electric push rods, positioning insertion rods are fixedly arranged at the bottom ends of the telescopic links, and the positioning insertion rods are inserted into the positioning slots.
Preferably, the inboard outside of framework is provided with the third screw rod of loosing tightly, the third screw rod of loosing tightly with framework screw-thread fit, the fixed protection pad that is provided with in the third screw rod of loosing is inner, the framework is through screwing the fixed setting of third screw rod of loosing tightly the sight body outside.
Preferably, the bottom plate includes a fixed column, the fixed column is fixedly arranged on the bottom plate, a movable column is movably inserted at the top end of the fixed column, the top end of the movable column is fixedly arranged at the bottom of the frame body, a fourth tightening screw is arranged on the outer wall of the upper end of the fixed column, the fourth tightening screw is in threaded fit with the fixed column, and the movable column is abutted and fixed by screwing the fourth tightening screw.
Preferably, flexible pipe is including fixed pipe, fixed pipe is installed the framework outside, fixed outside of tubes activity cover is equipped with the activity pipe, a plurality of rotary troughs have been seted up to fixed outside of tubes wall, the rotary trough internal rotation is provided with the gyro wheel, the gyro wheel with activity pipe inner wall normal running fit, the fixed first stopper that is provided with of activity pipe internal end, fixed outside of tubes end is fixed and is provided with the second stopper, the second stopper with the spacing cooperation of first stopper.
Preferably, the positioning mechanism comprises a second cross rod, a third sliding groove is transversely formed in the top of the second cross rod, the outer side of the third sliding groove penetrates through the second cross rod, a third sliding block is arranged in the third sliding groove in a sliding mode, a fifth tightening screw is arranged on one side of the top of the third sliding block and is in threaded fit with the third sliding block, the third sliding block is abutted and fixed by screwing the fifth tightening screw, a fixed block is fixedly arranged on the other side of the top of the third sliding block, a through hole is formed in the top of the fixed block, a screw hole is transversely formed in the outer wall of the fixed block and is communicated with the through hole, a screw is arranged in the screw hole in a threaded mode, an L-shaped penetrating rod is arranged on the outer wall of the screw in an annular rotating mode and penetrates through the through hole, a T-shaped limiting block is fixedly arranged at one end, far away from the screw, the lantern ring is fixedly sleeved on the outer side of the second limiting block.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the positioning adsorption mechanism, the slide rod, the positioning block, the positioning slot, the electric push rod, the telescopic pipe and other structures, the positioning adsorption mechanism fixes the bottom plate on the ground, after the slide rod is pressed downwards to a proper position, the electric push rod is started to contract to drive the positioning slot to be inserted into the positioning slot, the position of the slide rod is further fixed, the height of the sighting device body can be adjusted, meanwhile, the movable pipe is stretched outwards to a proper position as required, the length of the telescopic pipe is prolonged to enable the telescopic pipe to be propped against the platform, the sighting degree of the sighting device body is ensured, the problem that the sighting rod cannot be propped against the platform necessarily during operation is solved, sometimes the sighting rod is deviated inwards, sometimes the sighting rod is deviated outwards, and the problem that interlocking;
2. the first tightening screw is screwed downwards through the structures such as the square block, the first tightening screw and the sucker, the first tightening screw drives the sucker to move downwards, the sucker is tightly adsorbed on the ground, the bottom plate can be fixed on the ground, and the bottom plate is convenient to fix;
3. through the arrangement of the first sliding block, the abutting block, the second elastic screw and the like, the abutting block is moved downwards to be tightly abutted against the first elastic screw, so that the first elastic screw is prevented from being loosened in the using process, and a bottom plate is prevented from being loosened;
4. through the third slider, the fifth elasticity screw rod, fixed block, perforation, L shape that set up wear pole and T shape stopper isotructure, slide third slider to suitable position as required, inwards screw the screw rod simultaneously, the screw rod drives T shape stopper and supports on the lantern ring, can accomplish the installation of flexible pipe, and the dismantlement of flexible pipe can be accomplished to the outside pine screw rod of screwing outward on the contrary, and flexible pipe installation is dismantled conveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the distal locking nail sight of the interlocking intramedullary nail according to the present invention;
FIG. 2 is a cross-sectional view of the distal locking nail sight of the interlocking intramedullary nail according to the present invention;
FIG. 3 is an enlarged view of section A of FIG. 2 of the present invention;
FIG. 4 is a schematic structural diagram of an absorption mechanism in the distal locking nail aiming device of the interlocking intramedullary nail according to the present invention;
FIG. 5 is a cross-sectional view of the telescopic tube in the distal locking aiming device of the interlocking intramedullary nail according to the present invention;
fig. 6 is a right side view of the frame body of the distal locking nail aiming device for the interlocking intramedullary nail according to the present invention.
In the figure: 1-connecting block, 2-third loose screw, 3-frame, 4-sighting device body, 5-telescopic pipe, 51-movable pipe, 52-second limiting block, 53-roller, 54-fixed pipe, 55-rotary groove, 56-first limiting block, 6-positioning mechanism, 60-second cross rod, 61-third sliding block, 62-T limiting block, 63-L penetrating rod, 64-perforation, 65-screw, 66-screw, 67-fixed block, 68-fifth loose screw, 69-third sliding groove, 7-lantern ring, 8-first cross rod, 9-movable column, 10-fourth loose screw, 11-fixed column, 12-top block, 13-second sliding block, 14-through hole, 15-a second sliding groove, 16-a handle, 17-a sliding rod, 18-a supporting column, 19-a bottom plate, 20-an electric push rod, 21-a telescopic rod, 22-a positioning block, 23-a positioning inserted rod, 24-a positioning slot, 25-an adsorption mechanism, 251-a vertical rod, 252-a first sliding groove, 253-a first sliding block, 254-a second loose screw, 255-a resisting block, 256-a first loose screw, 257-a square, 258-an installation block, 259-a sucker and 26-a protection pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the distal locking nail sighting device for the interlocking intramedullary nail comprises a bottom plate 19, wherein two sides of the bottom plate 19 are respectively and fixedly provided with a positioning and adsorbing mechanism 25, four corners of the top of the bottom plate 19 are respectively and fixedly provided with supporting columns 18, the tops of the supporting columns 18 are fixedly connected with an ejector block 12, the top of the ejector block 12 is provided with a through hole 14, a slide bar 17 is inserted in the through hole 14 in a vertically sliding manner, two sides of the slide bar 17 are respectively and longitudinally provided with a second slide slot 15, two second slide blocks 13 are respectively arranged in the two second slide slots 15, the second slide blocks 13 are in sliding fit with the second slide slots 15, the two second slide blocks 13 are respectively and fixedly arranged at two sides in the through hole 14, the mounting position of the slide bar 17 can be fixed, the top of the bottom plate 19 is fixedly provided with a positioning block 22, two sides, the telescopic rod 21 is perpendicular to the electric push rod 20, a positioning inserted rod 23 is fixedly arranged at the bottom end of the telescopic rod 21, the positioning inserted rod 23 is inserted into a positioning slot 24, a first cross rod 8 is fixedly arranged at one side of the lower end of the slide rod 17, a sighting device body 4 is fixedly arranged at the other end of the first cross rod 8, a frame body 3 is fixedly sleeved outside the sighting device body 4, a third tightening screw 2 is arranged at the outer side of the inner side of the frame body 3, the third tightening screw 2 is in threaded fit with the frame body 3, a protective pad 26 is fixedly arranged at the inner end of the third tightening screw 2, the frame body 3 is fixedly arranged outside the sighting device body 4 by screwing the third tightening screw 2, two frame bodies 3 are arranged, the frame bodies 3 are fixedly connected through a connecting block 1, a telescopic column is fixedly arranged at the bottom of one frame body 3 at the inner side, the height of the telescopic column, the telescopic pipe 5 is sleeved outside the sighting device body 4, the telescopic pipe 5 is detachably mounted on the outer wall of the frame body 3 through a plurality of positioning mechanisms 6, the positioning mechanisms 6 and the like are fixedly arranged on the outer wall of the frame body 3, the telescopic pipe 5 comprises a fixed pipe 54, the fixed pipe 54 is mounted on the outer side of the frame body 3, a movable pipe 51 is movably sleeved outside the fixed pipe 54, a plurality of rotary grooves 55 are formed in the outer wall of the fixed pipe 54, rollers 53 are rotatably arranged in the rotary grooves 55, the rollers 53 are rotatably matched with the inner wall of the movable pipe 51 in a rotating mode, a first limiting block 56 is fixedly arranged at the inner end of the movable pipe 51, a second limiting block 52 is fixedly arranged at the outer end.
Through the arrangement of the positioning and adsorbing mechanism 25, the slide rod 17, the positioning block 22, the positioning slot 24, the electric push rod 20, the telescopic pipe 5 and other structures, the positioning and adsorbing mechanism 25 fixes the bottom plate 19 on the ground, after the slide rod 17 is pressed down to a proper position, the electric push rod 20 is started to contract, the electric push rod 20 drives the telescopic rod 21 to move to one side close to the slide rod 17, the telescopic rod 21 drives the positioning and inserting rod 23 to move to the inner side, the positioning and inserting rod 23 is inserted into the positioning slot 24, and further the position of the slide rod 17 is fixed, so that the height of the sighting device body 4 can be adjusted, meanwhile, the movable pipe 51 is stretched outwards to a proper position as required, the movable pipe 51 is convenient to move leftwards and rightwards under the action of the roller 53, the length of the telescopic pipe 5 is prolonged to enable the telescopic pipe to be capable of being propped against the platform, sometimes the locking nail is deviated inwards, sometimes the locking nail is deviated outwards, and the problem of inaccurate locking of the locking nail is caused;
as an improvement of the above technical solution, the positioning and adsorbing mechanism 25 includes a block 257, the block 257 is fixedly connected to the bottom plate 19, a first tightening screw 256 is disposed on the top of the block 257, the first tightening screw 256 is in threaded fit with the block 257, a mounting block 258 is rotatably disposed at the bottom end of the first tightening screw 256, a suction cup 259 is fixedly disposed at the bottom of the mounting block 258, and a handle 16 is fixedly disposed at the top of the slide bar 17.
Through the arrangement of the square 257, the first tightening screw 256, the suction cup 259 and the like, the first tightening screw 256 is screwed downwards, the first tightening screw 256 drives the suction cup 259 to move downwards, and the suction cup 259 is tightly adsorbed on the ground, so that the bottom plate 19 can be fixed on the ground;
as an improvement of the above technical solution, a vertical rod 251 is fixedly disposed on one side of the top of the block 257, a first sliding groove 252 is longitudinally disposed on the inner side of the vertical rod 251, the top of the first sliding groove 252 is through, a first sliding block 253 is disposed in the first sliding groove 252, the first sliding block 253 is in sliding fit with the first sliding groove 252, a resisting block 255 is fixedly disposed on the inner side of the first sliding block 253, the resisting block 255 is abutted against a first tightening screw 256, the mounting position of the first sliding block 253 can be fixed, a second tightening screw 254 is disposed on the inner side of the first sliding block 253, the second tightening screw 254 is in threaded fit with the first sliding block 253, and the first sliding block 253 is abutted against and fixed by screwing the second tightening.
Through the arrangement of the first sliding block 253, the abutting block 255, the second tightening screw 254 and the like, the abutting block 255 moves downwards to abut against the first tightening screw 256 tightly, and the abutting block 255 is fixed by screwing the second tightening screw 254, so that the first tightening screw 256 is prevented from loosening in the using process, and the bottom plate 19 is prevented from loosening;
as above-mentioned technical scheme's improvement, bottom plate 19 includes fixed column 11, and fixed column 11 is fixed to be set up on bottom plate 19, and fixed column 11 top activity is inserted and is equipped with movable post 9, and the fixed bottom that sets up at framework 3 in movable post 9 top, and fixed column 11 upper end outer wall is provided with fourth elasticity screw rod 10, fourth elasticity screw rod 10 and fixed column 11 screw-thread fit, and movable post 9 supports fixedly through screwing fourth elasticity screw rod 10.
The depth of the movable column 9 inserted into the fixed column 11 is adjusted to a proper position through the structures of the fixed column 11, the movable column 9, the fourth tightening screw 10 and the like, and the position of the movable column 9 is fixed through tightening the fourth tightening screw 10, so that the sighting device body 4 can be supported;
as an improvement of the above technical solution, the positioning mechanism 6 includes a second cross bar 60, a third sliding groove 69 is transversely formed at the top of the second cross bar 60, the outer side of the third sliding groove 69 penetrates through the third sliding groove, a third sliding block 61 is slidably arranged in the third sliding groove 69, a fifth tightening screw 68 is arranged at one side of the top of the third sliding block 61, the fifth tightening screw 68 is in threaded fit with the third sliding block 61, the third sliding block 61 is supported and fixed by screwing the fifth tightening screw 68, a fixed block 67 is fixedly arranged at the other side of the top of the third sliding block 61, a through hole 64 is formed at the top of the fixed block 67, a screw hole 66 is transversely formed at the outer wall of the fixed block 67, the screw hole 66 is communicated with the through hole 64, a screw 65 is arranged in the screw hole 66, an L-shaped through rod 63 is annularly and rotatably arranged at the outer wall of the screw 65, the L-shaped through rod 63, the lantern ring 7 is fixedly sleeved on the outer side of the second limiting block 52.
Through the third slider 61 that sets up, fifth elasticity screw rod 68, fixed block 67, perforation 64, the third slider 61 and T shape stopper 62 isotructure are worn to the L shape, slide third slider 61 to suitable position as required, and through the position of the fixed third slider 61 of the fifth elasticity screw rod 68 of screwing, screw rod 65 inwards screws simultaneously, screw rod 65 drives L shape and wears the pole 63 and move to the inboard, L shape is worn the pole 63 and is driven T shape stopper 62 and move to the inboard, T shape stopper 62 supports on lantern ring 7, can accomplish the installation of flexible pipe 5, the dismantlement of flexible pipe 5 can be accomplished to the outside screw rod 65 that unscrews of opposite, the installation of flexible pipe 5 is dismantled conveniently.
The working principle and the using process of the invention are as follows:
when the telescopic sighting device is used, the bottom plate 19 is fixed on the ground through the positioning adsorption mechanism 25, the slide bar 17 is pressed downwards to a proper position, the electric push rod 20 is started to contract, the electric push rod 20 drives the telescopic rod 21 to move towards one side close to the slide bar 17, the telescopic rod 21 drives the positioning insertion rod 23 to move inwards, the positioning insertion rod 23 is inserted into the positioning insertion slot 24, the position of the slide bar 17 is further fixed, the height of the sighting device body 4 can be adjusted, meanwhile, the movable tube 51 is stretched outwards to a proper position as required, the movable tube 51 can move left and right conveniently under the action of the roller 53, the length of the telescopic tube 5 is prolonged to enable the telescopic tube to be abutted to a platform, and the sighting degree of the sighting device body 4; the first tightening screw 256 is screwed downwards, the first tightening screw 256 drives the sucker 259 to move downwards, the sucker 259 is tightly adsorbed on the ground, the bottom plate 19 can be fixed on the ground, the resisting block 255 is moved downwards to be tightly resisted on the first tightening screw 256, and the resisting block 255 is fixed by screwing the second tightening screw 254, so that the first tightening screw 256 is prevented from loosening in the using process, and the bottom plate 19 is prevented from loosening; the depth of the movable column 9 inserted into the fixed column 11 is adjusted to a proper position, and the position of the movable column 9 is fixed by screwing the fourth tightening screw 10, so that the sighting device body 4 can be supported; the third sliding block 61 is slid to a proper position as required, the position of the third sliding block 61 is fixed by screwing the fifth tightening screw 68, the screw 65 is screwed inwards, the screw 65 drives the L-shaped penetrating rod 63 to move inwards, the L-shaped penetrating rod 63 drives the T-shaped limiting block 62 to move inwards, the T-shaped limiting block 62 is abutted to the lantern ring 7, the telescopic pipe 5 can be installed, the screw 65 is unscrewed outwards to complete the disassembly of the telescopic pipe 5, and the telescopic pipe 5 is convenient to install and disassemble.
The invention is not described in detail, but is well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Interlocking intramedullary nail distal end locking sight, including bottom plate (19), its characterized in that, bottom plate (19) both sides are the fixed location adsorption apparatus structure (25) that is provided with respectively, bottom plate (19) top four corners all is fixed and is provided with support column (18), support column (18) top and kicking block (12) fixed connection, through-hole (14) have been seted up at kicking block (12) top, slide about in through-hole (14) and insert and be equipped with slide bar (17), the mounted position of slide bar (17) can be fixed, slide bar (17) lower extreme one side is fixed and is provided with first horizontal pole (8), sight body (4) is fixed to be provided with at first horizontal pole (8) other end, sight body (4) external fixation cover is equipped with framework (3), framework (3) are provided with two, through connecting block (1) fixed connection between framework (3), be located inboard one fixed flexible post that is provided with in framework (3) bottom, the height of flexible post can be fixed, flexible post is fixed to be set up bottom plate (19) top, another the framework (3) outside is provided with flexible pipe (5), flexible pipe (5) cover is established the sight body (4) are outside, flexible pipe (5) through a plurality of positioning mechanism (6) demountable installation in framework (3) outer wall, fixed setting of angle such as positioning mechanism (6) is in framework (3) outer wall.
2. The interlocking intramedullary nail distal locking sight of claim 1, wherein: location adsorption apparatus constructs (25) including square (257), square (257) with bottom plate (19) fixed connection, square (257) top is provided with first elasticity screw rod (256), first elasticity screw rod (256) with square (257) screw-thread fit, first elasticity screw rod (256) bottom is rotated and is provided with installation piece (258), installation piece (258) bottom is fixed and is provided with sucking disc (259), slide bar (17) top is fixed and is provided with handle (16).
3. The interlocking intramedullary nail distal locking sight of claim 2, wherein: the anti-blocking block is characterized in that a vertical rod (251) is fixedly arranged on one side of the top of the square block (257), a first sliding groove (252) is longitudinally formed in the inner side of the vertical rod (251), the top of the first sliding groove (252) is communicated, a first sliding block (253) is arranged in the first sliding groove (252), the first sliding block (253) is in sliding fit with the first sliding groove (252), a resisting block (255) is fixedly arranged on the inner side of the first sliding block (253), the resisting block (255) is supported on the first tightening screw rod (256), and the mounting position of the first sliding block (253) can be fixed.
4. The interlocking intramedullary nail distal locking sight of claim 3, wherein: the inner side of the first sliding block (253) is provided with a second tightening screw (254), the second tightening screw (254) is in threaded fit with the first sliding block (253), and the first sliding block (253) is abutted and fixed by screwing the second tightening screw (254).
5. The interlocking intramedullary nail distal locking sight of claim 1, wherein: second sliding grooves (15) are longitudinally formed in two sides of the sliding rod (17), second sliding blocks (13) are arranged in the second sliding grooves (15) respectively, the second sliding blocks (13) are in sliding fit with the second sliding grooves (15), and the second sliding blocks (13) are fixedly arranged on two sides in the through holes (14) respectively.
6. The interlocking intramedullary nail distal locking sight of claim 1, wherein: the fixed locating piece (22) that is provided with in bottom plate (19) top, positioning slot (24) have been seted up respectively to locating piece (22) both sides, slide bar (17) lower extreme both sides are horizontal fixed electric putter (20) of being provided with respectively, electric putter (20) flexible end fixedly connected with telescopic link (21), telescopic link (21) with electric putter (20) set up perpendicularly, telescopic link (21) bottom mounting is provided with location inserted bar (23), location inserted bar (23) are inserted and are established in positioning slot (24).
7. The interlocking intramedullary nail distal locking sight of claim 1, wherein: the inboard outside of framework (3) is provided with third elasticity screw rod (2), third elasticity screw rod (2) with framework (3) screw-thread fit, third elasticity screw rod (2) the inner fixed protection pad (26) that is provided with, framework (3) are through screwing third elasticity screw rod (2) are fixed to be set up sight body (4) outside.
8. The interlocking intramedullary nail distal locking sight of claim 1, wherein: bottom plate (19) are including fixed column (11), fixed column (11) are fixed to be set up on bottom plate (19), fixed column (11) top activity is inserted and is equipped with movable post (9), movable post (9) top is fixed to be set up the bottom of framework (3), fixed column (11) upper end outer wall is provided with fourth elasticity screw rod (10), fourth elasticity screw rod (10) with fixed column (11) screw-thread fit, movable column (9) are through screwing fourth elasticity screw rod (10) support fixed.
9. The interlocking intramedullary nail distal locking sight of claim 1, wherein: flexible pipe (5) are including fixed pipe (54), fixed pipe (54) are installed the framework (3) outside, fixed pipe (54) outer movable sleeve is equipped with movable pipe (51), a plurality of turn-grooves (55) have been seted up to fixed pipe (54) outer wall, turn-groove (55) internal rotation is provided with gyro wheel (53), gyro wheel (53) with movable pipe (51) inner wall normal running fit, movable pipe (51) inner is fixed to be provided with first stopper (56), fixed pipe (54) outer end is fixed to be provided with second stopper (52), second stopper (52) with first stopper (56) spacing cooperation.
10. The interlocking intramedullary nail distal locking sight of claim 9, wherein: the positioning mechanism (6) comprises a second cross rod (60), a third sliding groove (69) is transversely formed in the top of the second cross rod (60), the outer side of the third sliding groove (69) penetrates through the third sliding groove (69), a third sliding block (61) is arranged in the third sliding groove (69) in a sliding mode, a fifth tightening screw (68) is arranged on one side of the top of the third sliding block (61), the fifth tightening screw (68) is in threaded fit with the third sliding block (61), the third sliding block (61) is abutted and fixed by screwing the fifth tightening screw (68), a fixed block (67) is fixedly arranged on the other side of the top of the third sliding block (61), a through hole (64) is formed in the top of the fixed block (67), a screw hole (66) is transversely formed in the outer wall of the fixed block (67), the screw hole (66) is communicated with the through hole (64), and a screw rod (65) is arranged in, the outer wall of the screw rod (65) rotates in an annular mode and is provided with an L-shaped penetrating rod (63), the L-shaped penetrating rod (63) penetrates through the through hole (64), the L-shaped penetrating rod (63) is far away from one end of the screw rod (65) and is fixedly provided with a T-shaped limiting block (62), the T-shaped limiting block (62) abuts against the lantern ring (7), and the lantern ring (7) is fixedly sleeved on the outer side of the second limiting block (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110297164.5A CN112957113A (en) | 2021-03-19 | 2021-03-19 | Distal locking nail sighting device for interlocking intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110297164.5A CN112957113A (en) | 2021-03-19 | 2021-03-19 | Distal locking nail sighting device for interlocking intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112957113A true CN112957113A (en) | 2021-06-15 |
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ID=76279487
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110297164.5A Withdrawn CN112957113A (en) | 2021-03-19 | 2021-03-19 | Distal locking nail sighting device for interlocking intramedullary nail |
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| Country | Link |
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| CN (1) | CN112957113A (en) |
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| US5474561A (en) * | 1994-02-01 | 1995-12-12 | Yao; Meei-Huei | All positional and universal guiding device for interlocking intramedullary nail |
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| CN203328795U (en) * | 2013-07-13 | 2013-12-11 | 乔锋 | Intramedullary nail far-end lock hole collimation device |
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| CN110974346A (en) * | 2019-12-25 | 2020-04-10 | 王志军 | Coracoid clavicle closed punching sighting device |
| CN210860919U (en) * | 2019-10-23 | 2020-06-26 | 江苏巨一照明有限公司 | Directional diversified adjusting device of solar lamp silicon panel |
| CN211633539U (en) * | 2020-01-16 | 2020-10-09 | 西南医科大学附属中医医院 | Distal accurate locking device for tibial intramedullary nail |
| CN211821004U (en) * | 2020-02-24 | 2020-10-30 | 江西省一利环保科技有限公司 | Automatic double-gate flue gas diversion conversion valve |
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- 2021-03-19 CN CN202110297164.5A patent/CN112957113A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474561A (en) * | 1994-02-01 | 1995-12-12 | Yao; Meei-Huei | All positional and universal guiding device for interlocking intramedullary nail |
| CN2424752Y (en) * | 2000-04-29 | 2001-03-28 | 江西中医学院附属医院 | Kirschner pin guide sighting device |
| CN203328795U (en) * | 2013-07-13 | 2013-12-11 | 乔锋 | Intramedullary nail far-end lock hole collimation device |
| CN208491272U (en) * | 2018-02-28 | 2019-02-15 | 成都正蓉王牌办公家具有限公司 | A kind of roller type bookcase |
| CN210860919U (en) * | 2019-10-23 | 2020-06-26 | 江苏巨一照明有限公司 | Directional diversified adjusting device of solar lamp silicon panel |
| CN110974346A (en) * | 2019-12-25 | 2020-04-10 | 王志军 | Coracoid clavicle closed punching sighting device |
| CN211633539U (en) * | 2020-01-16 | 2020-10-09 | 西南医科大学附属中医医院 | Distal accurate locking device for tibial intramedullary nail |
| CN211821004U (en) * | 2020-02-24 | 2020-10-30 | 江西省一利环保科技有限公司 | Automatic double-gate flue gas diversion conversion valve |
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