CN113081153B - Bone polishing former - Google Patents
Bone polishing former Download PDFInfo
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- CN113081153B CN113081153B CN202110314537.5A CN202110314537A CN113081153B CN 113081153 B CN113081153 B CN 113081153B CN 202110314537 A CN202110314537 A CN 202110314537A CN 113081153 B CN113081153 B CN 113081153B
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- shaper
- limiting
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- 238000005498 polishing Methods 0.000 title claims abstract description 32
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 23
- 210000004417 patella Anatomy 0.000 claims abstract description 54
- 210000001503 joint Anatomy 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 241000309551 Arthraxon hispidus Species 0.000 claims 1
- 238000003032 molecular docking Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B2017/1602—Mills
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (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)
- Surgical Instruments (AREA)
Abstract
The invention discloses a bone polishing shaper, which comprises a patella shaper main body and an electric drill, wherein saw teeth are distributed on one side of the patella shaper main body, a fixed block is welded on the other side of the patella shaper main body, a clamping block is fixedly connected with the other end of the fixed block, a sliding block is sleeved on the outer surface of the clamping block, the clamping block is connected with a limiting mechanism, the limiting mechanism is positioned in a control block, the limiting mechanism is connected with a first clamping groove, and the first clamping groove is formed in the outer surface of the fixed block. This skeleton shaper of polishing, the front of patella shaper main part has the sawtooth, and the patella shaper main part has 2cm, 2.5cm and 3cm these 3 kinds of diameters, is convenient for change at any time to the head, is convenient for satisfy the demand that multiple operation was polished to the edge of patella shaper main part is the borderless design, when being convenient for polish, and bone sweeps are automatic to be discharged from the gap, thereby saves the time of polishing, improves the efficiency of operation.
Description
Technical Field
The invention relates to the technical field of knee joint surgery, in particular to a bone polishing former.
Background
In knee joint operation, some patella surfaces are uneven, particularly cartilage is worn off to become potholes and depressions, the patella is required to be polished and flattened in the operation process, an electric saw blade is usually used for polishing and flattening a little by little, the operation is more troublesome, the patella is not easy to polish and flattening, the operation is time-consuming, the operation is relatively long, and the existing bone polishing former still has the following problems;
1. the specification of the skeleton polishing shaper is single, multiple polishing requirements cannot be met, and bone scraps need to be cleaned during polishing, so that the polishing time is prolonged, the polishing efficiency is reduced, and the skeleton polishing shaper is inconvenient to store and use and has certain potential safety hazards;
2. the bone polishing shaper cannot be quickly and accurately butted with the electric drill, the installation is not convenient and quick enough, and the bone polishing shaper is inconvenient to be quickly replaced in the operation process, thereby influencing the operation process,
we have therefore proposed bone grinding formers in order to solve the problems presented above.
Disclosure of Invention
The invention aims to provide a bone polishing shaper, which solves the problems that the specification of the bone polishing shaper provided by the background art is single, multiple polishing requirements cannot be met, bone scraps need to be cleaned during polishing, polishing time is prolonged, polishing efficiency is reduced, the bone polishing shaper is inconvenient to store and use, certain potential safety hazards exist, meanwhile, the bone polishing shaper cannot be quickly and accurately butted with an electric drill, the installation is inconvenient and quick, and the bone polishing shaper is inconvenient to quickly replace in the operation process, so that the operation process is influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a skeleton shaper of polishing, includes patella shaper main part and electric drill, one side of patella shaper main part distributes and has the sawtooth, and the opposite side welding of patella shaper main part has the fixed block to the other end fixedly connected with fixture block of fixed block, the surface of fixture block has cup jointed the slider, and fixture block and stop gear interconnect to stop gear is located the inside of control block, stop gear and first draw-in groove interconnect, and first draw-in groove is seted up at the surface of fixed block to stop gear and dog interconnect, and the internal surface at the control block is connected to the dog, stop gear and regulation and control mechanism interconnect, the one end of control block is connected with the butt joint, and the internal connection of butt joint has docking mechanism to docking mechanism and second draw-in groove interconnect, the inside at the control block is seted up to the second draw-in groove, the butt joint is installed in the one end of electric drill.
Preferably, the front surface of the patella shaper body is serrated with 3 diameters of 2cm, 2.5cm and 3cm, and the edges of the patella shaper body are of a broadless design and the serrations are of a 60 ° oblique design.
Preferably, the tail end of the clamping block is of an arc-shaped structure, the clamping block is connected with the sliding block in a sliding mode, and two ends of the sliding block are of conical structures.
Preferably, stop gear includes connecting block, lug, gag lever post, reset spring, drive block, spread groove, locating lever and stopper, the connecting block is located the inside of control block, and the surface welding of connecting block has the lug to lug and dog laminating each other, connecting block and regulation and control mechanism interconnect moreover, the inside sliding connection of connecting block has the gag lever post, and the surface of gag lever post has cup jointed reset spring, one side of connecting block is connected with the drive block, and the inside of drive block has been seted up the spread groove to the internal connection of spread groove has the locating lever, locating lever and stopper interconnect, and the stopper is located one side of drive block, and locating lever and first draw-in groove block connection.
Preferably, the limiting rod forms a telescopic structure in the connecting block through the reset spring, the limiting rod is symmetrically distributed about the transverse center line of the clamping block, and the tail end of the limiting rod is of a conical structure.
Preferably, the connecting grooves are of arc-shaped structures, the connecting grooves are distributed in a central symmetry mode relative to the center of the driving block, and the driving block is connected with the connecting block and the limiting block in a rotating mode.
Preferably, the connection mode of locating lever and stopper is sliding connection, and the locating lever is provided with four to the lower extreme diameter of locating lever is less than the diameter of first draw-in groove.
Preferably, the regulation and control mechanism includes rack, gear, worm wheel, worm, fixed plate and guide block, the rack is located the surface of connecting block, and one side meshing of rack is connected with the gear to the one end fixedly connected with worm wheel of gear, and one side meshing of worm wheel is connected with the worm, the fixed plate is located the surface of connecting block, and the surface connection of fixed plate has the guide block to the inside at the control block is fixed to the guide block.
Preferably, the side view of the guide block is in a U-shaped structure, the length of the guide block is longer than that of the fixing plate, and the center of the fixing plate and the center of the rack are located on the same horizontal plane.
Preferably, the docking mechanism comprises a control rod, a sleeve and a docking rod, wherein the control rod is positioned in the docking head, the sleeve is sleeved on the outer surface of the control rod, the docking rod is welded on one side of the sleeve, and the docking rod is connected with the second clamping groove.
Compared with the prior art, the invention has the beneficial effects that: the bone polishing former;
1. the front of the main body of the patella shaper is provided with saw teeth, the main body of the patella shaper has 3 diameters of 2cm, 2.5cm and 3cm, the head is convenient to replace at any time, the requirements of various operations for polishing are conveniently met, the edge of the main body of the patella shaper is of a borderless design, and when the patella shaper is convenient to polish, bone scraps are automatically discharged from gaps, so that polishing time is saved, the operation efficiency is improved, and corresponding edges are reserved at the end parts of the saw teeth.
2. Can carry out quick butt joint with patella former main part and control block through stop gear, be favorable to carrying out quick replacement and dismouting to the patella former main part of equidimension, and can adjust the position of patella former main part through regulation and control mechanism, be favorable to satisfying multiple processing demand to can be with control block and electric drill quick connect through docking mechanism, the simple operation is quick.
Drawings
FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;
FIG. 4 is a schematic top view of the connection structure of the fixing plate and the guide block of the present invention;
FIG. 5 is a schematic view of the left-hand connection of the patella shaper body and serrations of the present invention;
FIG. 6 is a schematic diagram of a left-view connection structure of a rack and a gear according to the present invention;
FIG. 7 is a right-view connecting structure of the connecting groove and the positioning rod of the present invention;
fig. 8 is a schematic diagram of a left-view connection structure of the stop lever and the return spring of the present invention.
In the figure: 1. a patella shaper body; 2. saw teeth; 3. a fixed block; 4. a clamping block; 5. a slide block; 6. a limiting mechanism; 61. a connecting block; 62. a bump; 63. a limit rod; 64. a return spring; 65. a driving block; 66. a connecting groove; 67. a positioning rod; 68. a limiting block; 7. a first clamping groove; 8. a stop block; 9. a regulating mechanism; 91. a rack; 92. a gear; 93. a worm wheel; 94. a worm; 95. a fixing plate; 96. a guide block; 10. butt joint; 11. a docking mechanism; 111. a joystick; 112. a sleeve; 113. a butt joint rod; 12. a second clamping groove; 13. a control block; 14. an electric drill.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the bone polishing former comprises a patella former main body 1 and an electric drill 14, wherein sawteeth 2 are distributed on one side of the patella former main body 1, a fixed block 3 is welded on the other side of the patella former main body 1, a clamping block 4 is fixedly connected to the other end of the fixed block 3, a sliding block 5 is sleeved on the outer surface of the clamping block 4, the clamping block 4 is mutually connected with a limiting mechanism 6, the limiting mechanism 6 is positioned in a control block 13, the limiting mechanism 6 is mutually connected with a first clamping groove 7, the first clamping groove 7 is formed in the outer surface of the fixed block 3, the limiting mechanism 6 is mutually connected with a stop block 8, the stop block 8 is connected to the inner surface of the control block 13, the limiting mechanism 6 is mutually connected with a regulating mechanism 9, one end of the control block 13 is connected with a butt joint 10, the inside of the butt joint 10 is connected with a butt joint mechanism 11, the butt joint mechanism 11 is mutually connected with a second clamping groove 12, the second clamping groove 12 is formed in the inside the control block 13, and the butt joint 10 is arranged at one end of the electric drill 14;
the front surface of the patella shaper body 1 is provided with the saw teeth 2, the patella shaper body 1 has 3 diameters of 2cm, 2.5cm and 3cm, the edge of the patella shaper body 1 is of a borderless design, the saw teeth 2 are of a 60-degree inclined design, and bone scraps can be automatically discharged from a gap when the patella shaper body is polished, so that the polishing time is saved, the operation efficiency is improved, and the safety of the patella shaper body 1 in storage and use is improved;
the tail end of the clamping block 4 is of an arc structure, the clamping block 4 is connected with the sliding block 5 in a sliding manner, and the two ends of the sliding block 5 are of a conical structure, so that the clamping block 4 and the sliding block 5 can conveniently adjust the position of the limiting rod 63;
the limiting mechanism 6 comprises a connecting block 61, a protruding block 62, a limiting rod 63, a return spring 64, a driving block 65, a connecting groove 66, a positioning rod 67 and a limiting block 68, wherein the connecting block 61 is positioned in the control block 13, the protruding block 62 is welded on the outer surface of the connecting block 61, the protruding block 62 is mutually attached to the limiting block 8, the connecting block 61 is mutually connected with the regulating mechanism 9, the limiting rod 63 is slidingly connected in the connecting block 61, the return spring 64 is sleeved on the outer surface of the limiting rod 63, one side of the connecting block 61 is connected with the driving block 65, the connecting groove 66 is formed in the driving block 65, the positioning rod 67 is mutually connected with the limiting block 68, the limiting block 68 is positioned on one side of the driving block 65, and the positioning rod 67 is in clamping connection with the first clamping groove 7, so that the patella shaper main body 1 and the control block 13 can be conveniently and rapidly abutted through the limiting mechanism 6;
the limiting rod 63 forms a telescopic structure in the connecting block 61 through the return spring 64, the limiting rod 63 is symmetrically distributed about the transverse center line of the clamping block 4, and the tail end of the limiting rod 63 is in a conical structure, so that the clamping block 4 on the right side of the patella shaper body 1 is conveniently and primarily fixed through the limiting rod 63;
the connecting grooves 66 are of arc-shaped structures, the connecting grooves 66 are distributed in a central symmetry mode with respect to the center of the driving block 65, and the driving block 65 is connected with the connecting block 61 and the limiting block 68 in a rotating mode, so that the patella shaper body 1 is connected with the control block 13 stably by rotating the driving block 65, and convenience in operation is facilitated;
the positioning rod 67 and the limiting block 68 are connected in a sliding mode, the positioning rod 67 is provided with four positioning rods, the diameter of the lower end of the positioning rod 67 is smaller than that of the first clamping groove 7, and the positioning rod 67 is conveniently connected with the first clamping groove 7 in a clamping mode, so that the patella shaper body 1 is stably connected with the control block 13;
the regulating mechanism 9 comprises a rack 91, a gear 92, a worm wheel 93, a worm 94, a fixing plate 95 and a guide block 96, wherein the rack 91 is positioned on the outer surface of the connecting block 61, one side of the rack 91 is in meshed connection with the gear 92, one end of the gear 92 is fixedly connected with the worm wheel 93, one side of the worm wheel 93 is in meshed connection with the worm 94, the fixing plate 95 is positioned on the outer surface of the connecting block 61, the outer surface of the fixing plate 95 is connected with the guide block 96, the guide block 96 is fixed in the control block 13, and the position of the patella former main body 1 is conveniently regulated by the regulating mechanism 9, so that the requirements of various processing are met;
the side view of the guide block 96 is in a U-shaped structure, the length of the guide block 96 is longer than that of the fixing plate 95, the center of the fixing plate 95 and the center of the rack 91 are located on the same horizontal plane, and the guide block 96 is convenient to limit the movement of the fixing plate 95, so that the stability of the connecting block 61 for driving the subsequent patella shaper body 1 to move is improved;
the docking mechanism 11 comprises a control rod 111, a sleeve 112 and a docking rod 113, wherein the control rod 111 is positioned in the docking head 10, the sleeve 112 is sleeved on the outer surface of the control rod 111, the docking rod 113 is welded on one side of the sleeve 112, and the docking rod 113 is connected with the second clamping groove 12, so that the control block 13 is conveniently and quickly connected with the electric drill 14 through the docking mechanism 11.
The working principle of the embodiment is as follows: according to fig. 1-2, when the patella shaper body 1 needs to be connected with the electric drill 14, firstly, a worker can penetrate the butt joint 10 connected with the electric drill 14 into the control block 13, when the butt joint 10 is mutually attached with the control block 13, the control rod 111 is rotated, the control rod 111 is in threaded connection with the sleeve 112, the control rod 111 drives the sleeve 112 to move through rotation, so that the sleeve 112 drives the butt joint rod 113 to be in clamping connection with the second clamping groove 12, and when the butt joint 10 and the control block 13 are stably connected with the second clamping groove 12 through the butt joint rod 113, the rotation of the control rod 111 can be stopped;
according to fig. 1 to 8, when the patella former body 1 and the control block 13 are required to be connected, firstly, a worker can insert the clamping block 4 connected with the fixing block 3 on the right side of the patella former body 1 into the connecting block 61, then push the fixing block 3 into the connecting block 61, when the clamping block 4 connected with the fixing block 3 is connected with the limit rod 63, the clamping block 4 pushes the limit rod 63 towards both sides of the connecting block 61, so that the limit rod 63 slides towards both sides of the connecting block 61, and the reset spring 64 on the outer surface of the limit rod 63 is compressed by extrusion, when the clamping block 4 and the limit rod 63 are separated from each other, the compressed reset spring 64 drives the limit rod 63 to reversely move, so that the limit rod 63 is clamped between the clamping block 4 and the slide block 5, at this moment, the patella former body 1 is initially connected with the control block 13, then the driving block 65 is rotated, the driving block 65 drives the positioning rod 67 to move by rotation, the positioning rod 67 slides in the connecting groove 66 and the limiting block 68, when the positioning rod 67 is clamped and connected with the first clamping groove 7, the rotation driving block 65 can be stopped, at this time, the patella shaper body 1 is stably connected with the control block 13, when the patella shaper body 1 needs to be disassembled and replaced, similarly, a worker can reversely rotate the driving block 65 to enable the positioning rod 67 and the first clamping groove 7 to be separated from each other, then continuously push the fixing block 3 into the connecting block 61, similarly, the sliding block 5 on the outer surface of the clamping block 4 pushes the limiting rod 63 to two sides of the connecting block 61, the reset spring 64 on the outer surface of the limiting rod 63 is compressed by extrusion, after the sliding block 5 and the limiting rod 63 are separated from each other, the reset spring 64 drives the limiting rod 63 to reversely move, after the clamping block 4 moves to the tail end, the fixing block 3 is pulled to the outer end of the connecting block 61, the slide block 5 pushes the limit rods 63 to the two sides of the connecting block 61 again, and when the clamping block 4 and the slide block 5 slide out of the connecting block 61, the reset spring 64 drives the limit rods 63 to reset;
according to fig. 1-6, when the position of the patella shaper body 1 needs to be adjusted, a worker can rotate the worm 94, the worm 94 drives the gear 92 to rotate through the worm wheel 93, the gear 92 drives the rack 91 to move through rotation, the rack 91 drives the connecting block 61 to slide in the control block 13, meanwhile, the fixed plate 95 slides in the guide block 96, the guide block 96 limits the movement of the fixed plate 95, so that the stability of the connecting block 61 for driving the subsequent patella shaper body 1 to move is improved, and after the patella shaper body 1 is adjusted to a proper position, the rotation of the worm 94 can be stopped, so that a series of works are completed.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (3)
1. Bone shaper of polishing, including patella shaper main part (1) and electric drill (14), its characterized in that: the patella shaper comprises a patella shaper body (1), wherein sawteeth (2) are distributed on one side of the patella shaper body (1), a fixed block (3) is welded on the other side of the patella shaper body (1), a clamping block (4) is fixedly connected to the other end of the fixed block (3), a sliding block (5) is sleeved on the outer surface of the clamping block (4), the clamping block (4) is mutually connected with a limiting mechanism (6), the limiting mechanism (6) is positioned in a control block (13), the limiting mechanism (6) is mutually connected with a first clamping groove (7), the first clamping groove (7) is formed in the outer surface of the fixed block (3), the limiting mechanism (6) is mutually connected with a stop block (8), the stop block (8) is connected to the inner surface of the control block (13), one end of the control block (13) is connected with a butt joint (10), the inside of the butt joint mechanism (11) is mutually connected with a second clamping groove (12), and the second clamping groove (12) is formed in the inner part of the control block (13), and the electric drill (14) is mounted at one end of the butt joint (13);
the tail end of the clamping block (4) is of an arc-shaped structure, the clamping block (4) is connected with the sliding block (5) in a sliding manner, and two ends of the sliding block (5) are of a conical structure;
the limiting mechanism (6) comprises a connecting block (61), a protruding block (62), a limiting rod (63), a reset spring (64), a driving block (65), a connecting groove (66), a positioning rod (67) and a limiting block (68), wherein the connecting block (61) is located in the control block (13), the protruding block (62) is welded on the outer surface of the connecting block (61), the protruding block (62) and the limiting block (8) are mutually attached, the connecting block (61) is mutually connected with the regulating mechanism (9), the limiting rod (63) is slidably connected in the connecting block (61), the reset spring (64) is sleeved on the outer surface of the limiting rod (63), the driving block (65) is connected to one side of the connecting block (61), the connecting groove (66) is formed in the driving block (65), the positioning rod (67) is connected with the limiting block (68) in the inner side of the connecting groove (66), and the positioning rod (67) is clamped and connected with the first clamping groove (7);
the limiting rod (63) forms a telescopic structure in the connecting block (61) through a return spring (64), the limiting rod (63) is symmetrically distributed about the transverse center line of the clamping block (4), and the tail end of the limiting rod (63) is in a conical structure;
the connecting grooves (66) are of arc-shaped structures, the connecting grooves (66) are distributed in a central symmetry mode relative to the center of the driving block (65), and the driving block (65) is rotationally connected with the connecting block (61) and the limiting block (68);
the positioning rods (67) are connected with the limiting blocks (68) in a sliding mode, the positioning rods (67) are provided with four, and the diameter of the lower ends of the positioning rods (67) is smaller than that of the first clamping grooves (7);
the regulating mechanism (9) comprises a rack (91), a gear (92), a worm wheel (93), a worm (94), a fixing plate (95) and a guide block (96), wherein the rack (91) is positioned on the outer surface of the connecting block (61), one side of the rack (91) is connected with the gear (92) in a meshed mode, one end of the gear (92) is fixedly connected with the worm wheel (93), one side of the worm wheel (93) is connected with the worm (94) in a meshed mode, the fixing plate (95) is positioned on the outer surface of the connecting block (61), the outer surface of the fixing plate (95) is connected with the guide block (96), and the guide block (96) is fixed inside the control block (13);
the side view of the guide block (96) is of a U-shaped structure, the length of the guide block (96) is larger than that of the fixing plate (95), and the center of the fixing plate (95) and the center of the rack (91) are located on the same horizontal plane.
2. The bone grinding former of claim 1 wherein: the front surface of the patella shaper body (1) is provided with saw teeth (2), the patella shaper body (1) has 3 diameters of 2cm, 2.5cm and 3cm, the edge of the patella shaper body (1) is of a borderless design, and the saw teeth (2) are of a 60-degree inclined design.
3. The bone grinding former of claim 1 wherein: the butt joint mechanism (11) comprises a control rod (111), a sleeve (112) and a butt joint rod (113), wherein the control rod (111) is positioned in the butt joint head (10), the sleeve (112) is sleeved on the outer surface of the control rod (111), the butt joint rod (113) is welded on one side of the sleeve (112), and the butt joint rod (113) is connected with the second clamping groove (12) mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110314537.5A CN113081153B (en) | 2021-03-24 | 2021-03-24 | Bone polishing former |
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|---|---|---|---|
| CN202110314537.5A CN113081153B (en) | 2021-03-24 | 2021-03-24 | Bone polishing former |
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| CN113081153A CN113081153A (en) | 2021-07-09 |
| CN113081153B true CN113081153B (en) | 2023-11-07 |
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| KR101122526B1 (en) * | 2011-08-19 | 2012-03-16 | 서현배 | Skin care and cure device comprising easily changeable needle assembly |
| WO2014050783A1 (en) * | 2012-09-26 | 2014-04-03 | カール シュトルツ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Brake release mechanism and medical manipulator provided with same |
| CN208592713U (en) * | 2018-07-26 | 2019-03-12 | 郑州博尔德磨料磨具有限公司 | A kind of grinding materials and grinding tool being conveniently replaceable |
| JP2020065662A (en) * | 2018-10-24 | 2020-04-30 | 学校法人東京電機大学 | Exchange device for soft instrument for surgical operation and soft instrument for surgical operation |
| CN210004219U (en) * | 2019-05-20 | 2020-01-31 | 烟台太明灯饰有限公司 | detachable LED spotlight |
| CN210756798U (en) * | 2019-07-03 | 2020-06-16 | 盐城斯柯达机械科技有限公司 | Automatic polishing machine for towel rack |
| CN212699253U (en) * | 2020-01-16 | 2021-03-16 | 赵怀康 | Bone stretching device for clinical traditional Chinese medicine |
| CN112451049A (en) * | 2021-01-07 | 2021-03-09 | 凤新英 | Ultrasonic scalpel capable of automatically switching tool bits |
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