CN117481737B - Ultrasonic orthopedic surgical saw and use method thereof - Google Patents
Ultrasonic orthopedic surgical saw and use method thereof Download PDFInfo
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- CN117481737B CN117481737B CN202311598097.6A CN202311598097A CN117481737B CN 117481737 B CN117481737 B CN 117481737B CN 202311598097 A CN202311598097 A CN 202311598097A CN 117481737 B CN117481737 B CN 117481737B
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- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title abstract description 11
- 238000001125 extrusion Methods 0.000 claims description 63
- 230000005540 biological transmission Effects 0.000 claims description 37
- 239000007921 spray Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 abstract description 22
- 238000001356 surgical procedure Methods 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 5
- 210000004872 soft tissue Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/142—Surgical saws ; Accessories therefor with reciprocating saw blades, e.g. with cutting edges at the distal end of the saw blades
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/15—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Mechanical Engineering (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an ultrasonic orthopedic operation saw and a use method thereof, and in particular relates to the technical field of orthopedic operation saws. According to the invention, the motor drives the saw blade to swing rapidly through the gear set, meanwhile, the ultrasonic generator in the host machine generates a high-frequency signal through the oscillating circuit, the electric signal is amplified through the transducer and then sent to the transmitter, electric energy is converted into mechanical energy, and the saw blade is driven by the vibrating piece to generate high-frequency vibration, so that the saw blade can be sharper when sawing bones, the cutting efficiency of the orthopedic operation saw is improved by utilizing ultrasonic waves, and the orthopedic operation time is shortened to a certain extent.
Description
Technical Field
The invention relates to the technical field of orthopedic surgical saws, in particular to an ultrasonic orthopedic surgical saw and a use method thereof.
Background
Medical powered bone saws are a medical device commonly used in surgical and orthopedic operations to assist doctors in cutting bone and bone tissue, and are typically characterized and functioning by an electric motor that provides a high-speed rotating saw blade to achieve efficient bone cutting, with the electric operation helping to reduce manual effort, improve operative efficiency, different types of operations that may require different types of saw blades, medical powered bone saws typically having interchangeable saw blades to accommodate different operative needs, such as orthopedic operations, joint replacement operations, cervical spine operations, and the like.
However, the existing bone surgery saw, namely the electric bone saw, has some defects, when the surgery saw is used, the saw blade is subjected to swing cutting by driving the gear and other structures to rotate through the motor in the surgery saw, so that the cutting speed of the saw blade depends on the speed of the motor, namely the gear conversion, the cutting time is relatively limited when facing hard bones, the time of the bone surgery is shortened, the pain of patients is relieved, and the cutting efficiency of the electric surgery saw is improved, so that the ultrasonic bone surgery saw and the use method thereof are required to be provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides an ultrasonic orthopedic operation saw and a use method thereof, wherein a saw blade is driven to swing rapidly through a gear set by a motor, meanwhile, an ultrasonic generator in a host machine generates a high-frequency signal by an oscillating circuit, an electric signal is amplified by a transducer and then is sent to a transmitter, electric energy is converted into mechanical energy, and the saw blade is driven by a vibrating piece to generate high-frequency vibration, so that the saw blade can be sharpened more rapidly when sawing bones, and the cutting efficiency of the orthopedic operation saw is improved by utilizing ultrasonic waves, so that the problems in the background art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an ultrasonic orthopedics operation saw, includes power component, power component includes handheld section of thick bamboo, and the inside fixed mounting of one end of handheld section of thick bamboo has the motor, the internally mounted of handheld section of thick bamboo has the gear train, and the one end fixed mounting of handheld section of thick bamboo has saw head subassembly, saw head subassembly includes fixed section of thick bamboo, and the internally mounted of fixed section of thick bamboo has spacing subassembly, spacing subassembly's top block is provided with the saw bit, and the top extrusion of saw bit is provided with stripper plate two;
The saw head is characterized in that a cooling component is fixedly arranged at the bottom of the saw head component, an ultrasonic component is fixedly arranged in the handheld cylinder, a transducer is fixedly connected to one end of a transmission pipe, one side of the transducer is connected with a transmitter through the transmission pipe, a vibrating piece is attached to one side of the transmitter, a host is fixedly arranged at one end of the transmission pipe, a mobile power supply is fixedly arranged at one side of the host, and the top of the mobile power supply is connected with an electric wire;
The motor drives the gear set to swing left and right, meanwhile, the ultrasonic generator inside the host machine is used for generating a high-frequency signal by the oscillating circuit, the electric signal is transmitted to the transducer through the transmission tube, amplified and then sent to the transmitter, electric energy is converted into mechanical energy, and the vibration piece is used for driving the saw blade to generate high-frequency vibration, so that the cutting efficiency of the surgical saw is improved.
In a preferred embodiment, one end of a rotating shaft of the motor is fixedly connected with a rotating disc, one side of the rotating disc is fixedly connected with a cylindrical protruding block, one side of the cylindrical protruding block is provided with a movable clamping block in an extrusion mode, one side of the movable clamping block is fixedly connected with a movable plate, the inside of the movable plate is rotatably connected with a positioning column, and one end of the movable plate is fixedly connected with a half tooth;
The bottom fixed mounting of reference column has the fixed plate, and fixed plate fixed connection is at the bottom inner wall of handheld section of thick bamboo, cylinder lug fixed connection is at the avris of carousel, and movable fixture block horizontal cross-section is U-shaped structure, half tooth and movable fixture block respectively fixed connection are in the both sides of fly leaf, and the fly leaf is installed in the outside of reference column through rotating.
In a preferred embodiment, the gear set comprises a linkage gear, one side of the linkage gear is meshed with a transmission gear, the bottom of the transmission gear is fixedly connected with a connecting column, the outer wall of the connecting column is fixedly connected with an accelerating gear, the outer wall of the accelerating gear is meshed with a toothed belt, one side inner wall of the toothed belt is meshed with a connecting gear, and the inner wall of the connecting gear is fixedly connected with a rotating column.
In a preferred embodiment, the bottom of the fixed cylinder is fixedly connected with a bottom plate, the linkage gear is rotatably mounted on the top of the fixed plate, the connecting column is rotatably mounted on the top of the fixed plate, and the linkage gear and the accelerating gear are arranged in the same size;
The size of the transmission gear is the same as that of the connecting gear, the diameter of the accelerating gear is twice that of the transmission gear, the rotary column is rotatably arranged on the inner wall of the bottom of the fixed cylinder, and the fixed cylinder is fixedly connected with one end of the handheld cylinder.
In a preferred embodiment, the limiting assembly comprises a first limiting post, the outer wall of the first limiting post is fixedly connected with a baffle plate, the top of the connecting gear is fixedly connected with a second limiting post, the outer wall of the second limiting post is movably connected with a first extruding plate, the bottom of the first extruding plate is fixedly provided with an extruding spring, and limiting holes are formed in the first extruding plate and the second limiting post corresponding to the first limiting post;
The extrusion spring is fixedly arranged between the extrusion plate I and the connecting gear, the extrusion plate I is elastically arranged at the top of the connecting gear through the extrusion spring, the rotating column penetrates through the connecting gear and the extrusion plate I, and the extrusion plate I is movably arranged on the outer wall of the rotating column.
In a preferred embodiment, a knife changing edge is formed on a corresponding saw blade of the fixed cylinder, one side of the saw blade is in a sawtooth-shaped structure, and the other side of the saw blade is in a semicircular structure;
The saw bit has all seted up the draw-in hole corresponding to spacing post two and spacing post one's position, and the saw bit has seted up the draw-in groove corresponding to the steering column, the top fixedly connected with connecting cylinder of stripper plate two, and stripper plate two has all seted up the fixed orifices corresponding to steering column, spacing post one and spacing post two.
In a preferred embodiment, the connecting cylinder is communicated with a fixing hole in the two centers of the extruding plate, the top end of the connecting cylinder is fixedly connected with a moving plate, the side of the moving plate is convexly provided with a sliding block, the moving plate is movably arranged on the inner wall of the top of the fixing cylinder, and the top of the fixing cylinder is fixedly provided with a limiting plate;
and the inside threaded connection of limiting plate has the screw thread post, fixed mounting has spacing spring between limiting plate and the movable plate, and the bottom extrusion setting of screw thread post is at the top of movable plate, the saw bit extrusion setting is between stripper plate two and stripper plate one.
In a preferred embodiment, the cooling component comprises a spray head, the outer wall of the spray head is fixedly connected with a shaft column, the bottom end of the shaft column is fixedly connected with a friction plate, and the bottom of the friction plate is fixedly connected with a convex strip;
the bottom extrusion of sand grip is provided with the positioning board, and the top of positioning board is fixedly connected with sand grip equally, the positioning board passes through the pedestal and rotates the bottom of installing at the bottom plate, and the one end fixedly connected with raceway of shower nozzle.
In a preferred embodiment, the transducer is connected with the host through a transmission pipe and fixedly arranged on the inner bottom wall of the handheld cylinder, the transmitter is attached to one side of the vibration piece, and the vibration piece is fixedly arranged in the handheld cylinder;
The vibrating reed is of a bending structure, one side of the top of the vibrating reed is arranged on one side of the saw blade in an extrusion mode, and an arc-shaped groove is formed in the position, corresponding to the vibrating reed, of the extrusion plate.
In order to solve the technical problems, the invention also provides a use method of the ultrasonic orthopedic surgical saw, which comprises the following steps:
Step one: inserting the saw blade into the fixed cylinder through the knife changing edge, placing the saw blade between the first extrusion plate and the second extrusion plate, and screwing the threaded column downwards to extrude the second extrusion plate, so that the second extrusion plate pushes the saw blade to extrude the second extrusion plate to move downwards, and the saw blade is fixedly installed through the second limit column and the first limit column;
Step two: the electric wire is spliced with the mobile power supply, then the motor is started by the control host, so that the motor rotates the turntable, then the movable clamping block is extruded and moved through the cylindrical convex block, the half teeth swing left and right, the connecting gear is rotated through the acceleration transmission of the gear set to drive the saw blade to swing left and right rapidly, and then the bone sawing operation is realized;
Step three: the motor is started, the ultrasonic generator is started, the high-frequency signal process generated by the oscillating circuit is transmitted through the transmission pipe, the signal is amplified through the transducer and sent to the transmitter, the electric energy is converted into mechanical energy, and the saw blade drives the high-frequency vibration through the vibrating piece, so that the sawing speed is improved;
Step four: when saw cut, spray cooling water to the saw bit through the shower nozzle through the raceway, cool down bone cutting position, avoid the high temperature damage of cutting position soft tissue cell, and when preparing for operation, the angle of use of shower nozzle is adjusted to the accessible rotation positioning plate, and then matches the angle of saw bit and use.
The invention has the technical effects and advantages that:
the motor drives the saw blade to swing rapidly through the gear set, meanwhile, the ultrasonic generator in the main machine generates a high-frequency signal through the oscillating circuit, the electric signal is amplified through the transducer and then sent to the transmitter, electric energy is converted into mechanical energy, and the saw blade is driven to generate high-frequency vibration through the vibrating piece, so that the saw blade can be more rapidly sharp when sawing bones, the cutting efficiency of the orthopedic operation saw is improved by utilizing ultrasonic waves, the orthopedic operation time is shortened to a certain extent, and the use value of the ultrasonic orthopedic operation saw is increased;
The saw blade placed in the fixed cylinder can be squeezed and clamped by screwing the threaded column, and the saw blade is limited by the limiting component, so that the saw blade is convenient to fix and use, loosening and falling-off of the saw blade during use are avoided, the use stability of the ultrasonic orthopedic operation saw is ensured, meanwhile, the angle of the saw blade can be adjusted according to the use requirement, the saw blade is convenient to install after the angle is adjusted, and the applicability of the ultrasonic orthopedic operation saw is further improved;
The portable power source and the motor are connected through the electric wire, and then the motor and the power source are separated, so that when the hand-held operation saw is used, the overall weight of the orthopedic operation saw can be reduced, the condition that a user takes the operation saw for a long time to cause manual acid is avoided, meanwhile, the power source is separated for use, the capacity of the portable power source can be increased, and further the cruising ability of the orthopedic operation saw is stronger, so that the practicability of the ultrasonic orthopedic operation saw is increased;
When carrying out the use of saw bit, spray the cooling water to the saw bit through the shower nozzle simultaneously, and then conveniently cool down the cutting part to avoid soft tissue cell around the skeleton to be damaged by high temperature, make the postoperative saw cut the healing that the position can be very fast, thereby guarantee the quality effect of orthopedic operation, wash the broken bone sediment of will finely to avoid causing the infection condition simultaneously, and friction plate and positioning plate set up the convenience with the shower nozzle according to the angle of use of saw bit and carry out the position adjustment, thereby conveniently use cooling module matching saw bit.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the power assembly of the present invention;
FIG. 3 is a schematic view of the power assembly of the present invention;
FIG. 4 is a schematic diagram of the internal structure of a gear set of the present invention;
FIG. 5 is a schematic diagram of the cooling assembly and ultrasonic assembly of the present invention;
FIG. 6 is a schematic diagram of a gear set of the present invention;
FIG. 7 is a schematic view of the internal structure of the saw head assembly of the present invention;
fig. 8 is a schematic view of a disassembled structure of the saw head assembly of the present invention.
The reference numerals are: 1. a power assembly; 11. a hand-held cartridge; 12. a motor; 13. a turntable; 14. cylindrical bumps; 15. a movable clamping block; 16. a movable plate; 17. positioning columns; 18. a fixing plate; 19. half teeth; 2. a gear set; 21. a linkage gear; 22. a transmission gear; 23. a connecting column; 24. an acceleration gear; 25. a toothed belt; 26. a connecting gear; 27. a rotating column; 28. a bottom plate; 3. a saw head assembly; 31. a fixed cylinder; 32. a limit component; 321. a first limit column; 322. a baffle; 323. a second limit column; 324. extruding a spring; 325. a first extrusion plate; 33. a saw blade; 34. a second extrusion plate; 35. a connecting cylinder; 36. a moving plate; 37. a limiting plate; 38. a threaded column; 39. a limit spring; 4. a cooling component; 41. a spray head; 42. a shaft post; 43. a friction plate; 44. a convex strip; 45. a positioning plate; 5. an ultrasonic assembly; 51. a transmission tube; 52. a transducer; 53. a transmitter; 54. a vibrating piece; 6. a host; 7. a mobile power supply; 8. an electric wire.
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.
According to the ultrasonic orthopedic surgical saw shown in fig. 1-4, the ultrasonic orthopedic surgical saw comprises a power assembly 1, wherein the power assembly 1 comprises a handheld cylinder 11, a motor 12 is fixedly arranged in one end of the handheld cylinder 11, a gear set 2 is arranged in the handheld cylinder 11, a saw head assembly 3 is fixedly arranged in one end of the handheld cylinder 11, the saw head assembly 3 comprises a fixed cylinder 31, a limiting assembly 32 is arranged in the fixed cylinder 31, a saw blade 33 is arranged at the top of the limiting assembly 32 in a clamping manner, and a second extrusion plate 34 is arranged at the top of the saw blade 33 in an extrusion manner;
The bottom of the saw head assembly 3 is fixedly provided with a cooling assembly 4, the inside of the handheld cylinder 11 is fixedly provided with an ultrasonic assembly 5, one end of a transmission pipe 51 is fixedly connected with a transducer 52, one side of the transducer 52 is connected with an emitter 53 through the transmission pipe 51, one side of the emitter 53 is provided with a vibrating piece 54 in a fitting way, one end of the transmission pipe 51 is fixedly provided with a host 6, one side of the host 6 is fixedly provided with a mobile power supply 7, and the top of the mobile power supply 7 is connected with an electric wire 8;
The motor 12 drives the gear set 2 to swing the saw blade 33 left and right, meanwhile, the ultrasonic generator in the main machine 6 is used for generating a high-frequency signal by the oscillating circuit, the electric signal is transmitted to the transducer 52 through the transmission tube 51 to be amplified and then sent to the transmitter 53, the electric energy is converted into mechanical energy, and the saw blade 33 is driven by the vibrating piece 54 to generate high-frequency vibration, so that the cutting efficiency of the surgical saw is improved;
One end of a rotating shaft of the motor 12 is fixedly connected with a rotating disc 13, one side of the rotating disc 13 is fixedly connected with a cylindrical lug 14, one side of the cylindrical lug 14 is provided with a movable clamping block 15 in an extrusion mode, one side of the movable clamping block 15 is fixedly connected with a movable plate 16, the inside of the movable plate 16 is rotatably connected with a positioning column 17, and one end of the movable plate 16 is fixedly connected with a half tooth 19;
The bottom of the positioning column 17 is fixedly provided with a fixed plate 18, the fixed plate 18 is fixedly connected to the inner wall of the bottom of the handheld cylinder 11, the cylindrical lug 14 is fixedly connected to the side of the turntable 13, the horizontal section of the movable clamping block 15 is of a U-shaped structure, the half teeth 19 and the movable clamping block 15 are respectively and fixedly connected to two sides of the movable plate 16, and the movable plate 16 is rotatably arranged on the outer side of the positioning column 17;
The gear set 2 comprises a linkage gear 21, one side of the linkage gear 21 is meshed with a transmission gear 22, the bottom of the transmission gear 22 is fixedly connected with a connecting column 23, the outer wall of the connecting column 23 is fixedly connected with an accelerating gear 24, the outer wall of the accelerating gear 24 is meshed with a toothed belt 25, one side inner wall of the toothed belt 25 is meshed with a connecting gear 26, and the inner wall of the connecting gear 26 is fixedly connected with a rotating column 27;
the implementation mode specifically comprises the following steps: the motor 12 drives the saw blade 33 to swing rapidly through the gear set 2, meanwhile, an ultrasonic generator in the host 6 generates a high-frequency signal through an oscillating circuit, and the electric signal is amplified through the transducer 52 and then sent to the transmitter 53 to convert the electric energy into mechanical energy;
the saw blade 33 is driven by the vibrating piece 54 to generate high-frequency vibration, so that the saw blade 33 can be more rapidly sharpened when sawing bones, the cutting efficiency of the orthopedic operation saw is improved by utilizing ultrasonic waves, the orthopedic operation time is shortened to a certain extent, and the use value of the ultrasonic orthopedic operation saw is further increased;
The mobile power supply 7 and the motor 12 are connected through the electric wire 8, so that the motor 12 and the power supply are separated, the overall weight of the orthopedic operation saw can be reduced when the hand-held operation saw is used, and the condition of acid hand caused by long-time taking of the operation saw by a user is avoided;
Simultaneously with the power separation use, can also increase portable power source 7's capacity, and then make the duration of orthopedic operation saw stronger, thereby increase the practicality of ultrasonic orthopedic operation saw, the setting of fixed plate 18 is convenient installs the fly leaf 16 with structures such as gear train 2 and uses, and transmission tube 51 walks the line from the bottom of fixed plate 18, and then does not influence the connection use of power pack 1 and gear train 2, the trembler 54 sets up the inboard space department at toothed belt 25 simultaneously, and then does not influence the connection use of gear train 2 and saw head subassembly 3.
According to an ultrasonic orthopedic surgical saw shown in fig. 6 to 8, a bottom plate 28 is fixedly connected to the bottom of a fixed barrel 31, a linkage gear 21 is rotatably mounted on the top of a fixed plate 18, a connecting column 23 is rotatably mounted on the top of the fixed plate 18, and the linkage gear 21 and an accelerating gear 24 are provided in the same size;
the size of the transmission gear 22 is the same as that of the connecting gear 26, the diameter of the accelerating gear 24 is twice that of the transmission gear 22, the rotary column 27 is rotatably arranged on the inner wall of the bottom of the fixed cylinder 31, and the fixed cylinder 31 is fixedly connected with one end of the handheld cylinder 11;
The limiting assembly 32 comprises a first limiting post 321, the outer wall of the first limiting post 321 is fixedly connected with a baffle plate 322, the top of the connecting gear 26 is fixedly connected with a second limiting post 323, the outer wall of the second limiting post 323 is movably connected with a first extruding plate 325, the bottom of the first extruding plate 325 is fixedly provided with an extruding spring 324, and the first extruding plate 325 is provided with limiting holes corresponding to the first limiting post 321 and the second limiting post 323;
The extrusion spring 324 is fixedly arranged between the extrusion plate one 325 and the connecting gear 26, the extrusion plate one 325 is elastically arranged at the top of the connecting gear 26 through the extrusion spring 324, the rotating column 27 penetrates through the inside of the connecting gear 26 and the extrusion plate one 325, and the extrusion plate one 325 is movably arranged on the outer wall of the rotating column 27;
the corresponding saw blade 33 of the fixed cylinder 31 is provided with a knife changing edge, one side of the saw blade 33 is in a sawtooth structure, and the other side of the saw blade 33 is in a semicircular structure;
Clamping holes are formed in the positions, corresponding to the second limiting post 323 and the first limiting post 321, of the saw blade 33, clamping grooves are formed in the positions, corresponding to the rotating post 27, of the saw blade 33, a connecting cylinder 35 is fixedly connected to the top of the second extruding plate 34, and fixing holes are formed in the positions, corresponding to the rotating post 27, the first limiting post 321 and the second limiting post 323, of the second extruding plate 34;
the connecting cylinder 35 is communicated with a fixed hole in the center of the second extrusion plate 34, the top end of the connecting cylinder 35 is fixedly connected with a moving plate 36, the side of the moving plate 36 is provided with a sliding block in a protruding mode, the moving plate 36 is movably arranged on the inner wall of the top of the fixed cylinder 31, and the top of the fixed cylinder 31 is fixedly provided with a limiting plate 37;
The inner thread of the limiting plate 37 is connected with a thread column 38, a limiting spring 39 is fixedly arranged between the limiting plate 37 and the moving plate 36, the bottom end of the thread column 38 is arranged at the top of the moving plate 36 in an extrusion mode, and the saw blade 33 is arranged between the second extrusion plate 34 and the first extrusion plate 325 in an extrusion mode;
the implementation mode specifically comprises the following steps: the saw blade 33 placed in the fixed barrel 31 can be squeezed and clamped by screwing the threaded column 38, and the saw blade 33 is conveniently fixed and used by limiting the limiting component 32, so that the situation that the saw blade 33 loosens and falls off when in use is avoided;
thereby ensuring the use stability of the ultrasonic orthopedic operation saw, simultaneously, the saw blade 33 can be adjusted in angle according to the use requirement, and the saw blade 33 can be conveniently installed after the angle of the saw blade is adjusted, so that the applicability of the ultrasonic orthopedic operation saw is improved;
When the saw blade 33 is replaced or detached, the threaded column 38 is screwed upwards, so that the moving plate 36 is conveniently moved upwards through the elasticity of the limiting spring 39, the first extrusion plate 325 is enabled to move upwards through the elasticity of the extrusion spring 324, the saw blade 33 is moved to a blade replacing edge, and meanwhile the first limiting column 321 and the second limiting column 323 are moved out of the clamping hole of the saw blade 33, so that the saw blade 33 is convenient to detach.
According to the ultrasonic orthopedic surgical saw shown in fig. 2 and 5, the cooling component 4 comprises a spray head 41, wherein the outer wall of the spray head 41 is fixedly connected with a shaft column 42, the bottom end of the shaft column 42 is fixedly connected with a friction plate 43, and the bottom of the friction plate 43 is fixedly connected with a convex strip 44;
The bottom of the raised line 44 is provided with a position adjusting plate 45 in an extrusion manner, the top of the position adjusting plate 45 is fixedly connected with the raised line 44, the position adjusting plate 45 is rotatably arranged at the bottom of the bottom plate 28 through a shaft column 42, and one end of the spray head 41 is fixedly connected with a water delivery pipe;
the transducer 52 is connected with the host 6 through the transmission pipe 51, the transducer 52 is fixedly arranged on the inner bottom wall of the handheld cylinder 11, the transmitter 53 is attached to one side of the vibrating piece 54, and the vibrating piece 54 is fixedly arranged in the handheld cylinder 11;
The vibration plate 54 is of a bending structure, one side of the top of the vibration plate 54 is arranged on one side of the saw blade 33 in a pressing mode, and an arc-shaped groove is formed in the first pressing plate 325 corresponding to the vibration plate 54;
The implementation mode specifically comprises the following steps: when the saw blade 33 is used, cooling water is sprayed to the saw blade 33 through the spray head 41, so that the cutting position is conveniently cooled, soft tissue cells around bones are prevented from being damaged by high temperature, and the sawing position after operation can be quickly healed;
thereby ensuring the quality effect of the bone surgery, flushing the fine crushed bone slag to avoid causing infection, and arranging the friction plate 43 and the positioning plate 45 facilitates the position adjustment of the spray head 41 according to the use angle of the saw blade 33, thereby facilitating the use of the cooling component 4 matched with the saw blade 33;
the shower nozzle 41 is fixed inside the shaft column 42, and the shaft column 42 rotates and installs in bottom plate 28 bottom, and then when rotatory positioning plate 45, conveniently drives the angle modulation with shower nozzle 41, simultaneously because the top of positioning plate 45 and the bottom of friction plate 43 all are provided with sand grip 44, and then conveniently carry out spacing fixedly with positioning plate 45 and friction plate 43 through the frictional force between sand grip 44.
The application method of the ultrasonic orthopedic surgical saw comprises the following steps:
step one: inserting the saw blade 33 into the fixed cylinder 31 through a knife-changing edge, placing the saw blade 33 between the first extrusion plate 325 and the second extrusion plate 34, and screwing the threaded column 38 downwards to extrude the second extrusion plate 34, so that the second extrusion plate 34 pushes the saw blade 33 to extrude the first extrusion plate 325 to move downwards, and the saw blade 33 is fixedly installed through the second limit column 323 and the first limit column 321;
step two: the electric wire 8 is spliced with the mobile power supply 7, then the host 6 is controlled to start the motor 12, so that the motor 12 rotates the turntable 13, then the movable clamping block 15 is extruded and moved through the cylindrical lug 14, the half tooth 19 swings left and right, the connecting gear 26 is rotated to drive the saw blade 33 to swing left and right rapidly through the acceleration transmission of the gear set 2, and then the bone sawing operation is realized;
Step three: the motor 12 is started and simultaneously the ultrasonic generator is started, the high-frequency signal process generated by the oscillating circuit is transmitted through the transmission pipe 51, the signal is amplified through the transducer 52 and sent to the transmitter 53, the electric energy is converted into mechanical energy, and the saw blade 33 is driven to vibrate at high frequency through the vibrating piece 54, so that the sawing speed is improved;
Step four: when sawing, the cooling water is sprayed to the saw blade 33 through the water delivery pipe 41, the bone cutting position is cooled, high-temperature damage of soft tissue cells at the cutting position is avoided, and in preparation, the using angle of the spray head 41 is adjusted by rotating the positioning plate 45, so that the angle of the saw blade 33 is matched for use.
The working principle of the invention is as follows: the saw blade 33 is inserted into the fixed cylinder 31 through a knife-changing edge, the saw blade 33 can be placed according to the required use angle, the saw blade 33 can be rotated by forty-five degrees left and right, the saw blade 33 can be adjusted within one hundred eighty degrees at one side of the fixed cylinder 31, the saw blade 33 with the adjusted angle is inserted between the first extrusion plate 325 and the second extrusion plate 34, meanwhile, the clamping groove of the saw blade 33 is clamped on the outer wall of the rotating column 27, the threaded column 38 is screwed downwards, and the moving plate 36 is moved in the fixed cylinder 31;
simultaneously, the connecting cylinder 35 and the extrusion plate II 34 are driven to press downwards, so that the extrusion plate II 34 pushes the saw blade 33 to extrude the extrusion plate I325 to move downwards, the extrusion plate I325 is extruded at the top of the baffle plate 322, further the clamping holes of the saw blade 33 are sleeved outside the limiting post II 323 and the limiting post I321, and meanwhile, the fixing holes of the extrusion plate II 34 are sleeved outside the limiting post II 323 and the limiting post I321 in an extrusion mode, so that the saw blade 33 is limited and fixed;
The electric wire 8 is spliced with the mobile power supply 7, then the motor 12 is started through the host 6, so that the motor 12 rotates the turntable 13, then the movable clamping block 15 is internally rotated through the cylindrical lug 14 to be extruded left and right, the movable plate 16 is rotated on the outer wall of the positioning column 17, the half teeth 19 are swung left and right, the half teeth 19 drive the linkage gear 21 to rotate, and the linkage gear 21 drives the transmission gear 22, the connecting column 23 and the accelerating gear 24 to rotate;
Then the accelerating gear 24 rotates the connecting gear 26 through the toothed belt 25, the diameter of the linkage gear 21 is larger than that of the transmission gear 22, the diameter of the transmission gear 22 is smaller than that of the accelerating gear 24, and the diameter of the accelerating gear 24 is larger than that of the connecting gear 26, so that the rotating column 27 is accelerated to rotate, and the saw blade 33 is fixed on one side of the limiting component 32 and the rotating column 27, so that the saw blade 33 is driven to swing rapidly, and the quick sawing operation of bones is realized;
while the saw blade 33 is driven to swing by the motor 12, a high-frequency signal process generated by the oscillating circuit is transmitted through the transmission pipe 51, and the signal is amplified by the transducer 52 and sent to the transmitter 53, so that electric energy is converted into mechanical energy, and as the vibrating piece 54 is extruded on one side of the arc-shaped surface of the saw blade 33, the vibrating piece 54 drives the saw blade 33 to drive high-frequency vibration, and the sawing speed is improved;
When saw cut, spray cooling water to saw bit 33 through shower nozzle 41 through the raceway, cool down bone cutting position, avoid the high temperature damage of cutting position soft tissue cell, and when using shower nozzle 41, accessible rotation positioning plate 45 drives shower nozzle 41 rotation with the pedestal 42, and carries out spacingly through the frictional force of sand grip 44 to the angle of use of shower nozzle 41 is adjusted to the convenience, and then the convenience is adjusted according to the angle of use of saw bit 33.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. An ultrasonic orthopedic surgical saw, comprising a power assembly (1), characterized in that: the power assembly (1) comprises a handheld cylinder (11), a motor (12) is fixedly arranged in one end of the handheld cylinder (11), a gear set (2) is arranged in the handheld cylinder (11), a saw head assembly (3) is fixedly arranged in the other end of the handheld cylinder (11), the saw head assembly (3) comprises a fixed cylinder (31), a limiting assembly (32) is arranged in the fixed cylinder (31), a saw blade (33) is clamped at the top of the limiting assembly (32), and a second extrusion plate (34) is arranged at the top of the saw blade (33) in an extrusion mode;
The saw head is characterized in that the bottom of the saw head assembly (3) is fixedly provided with the cooling assembly (4), the inside of the handheld cylinder (11) is fixedly provided with the ultrasonic assembly (5), one end of the transmission pipe (51) is fixedly connected with the transducer (52), the transducer (52) is fixedly arranged on the inner bottom wall of the handheld cylinder (11), one side of the transducer (52) is connected with the transmitter (53) through the transmission pipe (51), one side of the transmitter (53) is provided with the vibrating piece (54) in a laminating mode, the vibrating piece (54) is fixedly arranged inside the handheld cylinder (11), the vibrating piece (54) is of a bending structure, one side of the top of the vibrating piece (54) is extruded and arranged on one side of the saw blade (33), the other end of the transmission pipe (51) is fixedly provided with the host computer (6), one side of the host computer (6) is fixedly provided with the mobile power supply (7), and the top of the mobile power supply (7) is connected with the electric wire (8);
The motor (12) drives the gear set (2) to swing the saw blade (33) left and right, meanwhile, the ultrasonic generator in the host machine (6) is used for generating a high-frequency signal by the oscillating circuit, the electric signal is transmitted to the transducer (52) through the transmission tube (51) to be amplified and then sent to the transmitter (53), electric energy is converted into mechanical energy, and the saw blade (33) is driven by the vibrating piece (54) to generate high-frequency vibration.
2. An ultrasonic orthopedic surgical saw according to claim 1, wherein: one end of a rotating shaft of the motor (12) is fixedly connected with a rotating disc (13), one side of the rotating disc (13) is fixedly connected with a cylindrical convex block (14), one side of the cylindrical convex block (14) is provided with a movable clamping block (15) in an extrusion mode, one side of the movable clamping block (15) is fixedly connected with a movable plate (16), the inside of the movable plate (16) is rotationally connected with a positioning column (17), and one end of the movable plate (16) is fixedly connected with a half tooth (19);
The bottom fixed mounting of reference column (17) has fixed plate (18), and fixed plate (18) fixed connection is at the bottom inner wall of holding section of thick bamboo (11), cylinder lug (14) fixed connection is at the avris of carousel (13), and movable fixture block (15) horizontal cross-section is U-shaped structure, half tooth (19) and movable fixture block (15) fixed connection are in the both sides of fly leaf (16) respectively, and fly leaf (16) are installed in the outside of reference column (17) through rotating.
3. An ultrasonic orthopedic surgical saw according to claim 2, wherein: the gear set (2) comprises a linkage gear (21), one side of the linkage gear (21) is meshed with a transmission gear (22), the bottom of the transmission gear (22) is fixedly connected with a connecting column (23), the outer wall of the connecting column (23) is fixedly connected with an accelerating gear (24), the outer wall of the accelerating gear (24) is meshed with a toothed belt (25), one side inner wall of the toothed belt (25) is meshed with a connecting gear (26), and the inner wall of the connecting gear (26) is fixedly connected with a rotating column (27).
4. An ultrasonic orthopedic surgical saw according to claim 3, wherein: the bottom of the fixed cylinder (31) is fixedly connected with a bottom plate (28), the linkage gear (21) is rotatably arranged at the top of the fixed plate (18), the connecting column (23) is rotatably arranged at the top of the fixed plate (18), and the linkage gear (21) and the accelerating gear (24) are arranged in the same size;
the size of the transmission gear (22) is the same as the size of the connecting gear (26), the diameter of the accelerating gear (24) is twice that of the transmission gear (22), the rotating column (27) is rotatably arranged on the inner wall of the bottom of the fixed cylinder (31), and the fixed cylinder (31) is fixedly connected with one end of the handheld cylinder (11).
5. An ultrasonic orthopedic surgical saw according to claim 4, wherein: the limiting assembly (32) comprises a first limiting post (321), the outer wall of the first limiting post (321) is fixedly connected with a baffle plate (322), the top of the connecting gear (26) is fixedly connected with a second limiting post (323), the outer wall of the second limiting post (323) is movably connected with a first extruding plate (325), the bottom of the first extruding plate (325) is fixedly provided with an extruding spring (324), and the first extruding plate (325) is provided with limiting holes corresponding to the first limiting post (321) and the second limiting post (323);
The extrusion spring (324) is fixedly arranged between the extrusion plate one (325) and the connecting gear (26), the extrusion plate one (325) is elastically arranged at the top of the connecting gear (26) through the extrusion spring (324), the rotating column (27) penetrates through the connecting gear (26) and the extrusion plate one (325), and the extrusion plate one (325) is movably arranged on the outer wall of the rotating column (27).
6. An ultrasonic orthopedic surgical saw according to claim 5, wherein: a knife changing edge is formed on a corresponding saw blade (33) of the fixed cylinder (31), one side of the saw blade (33) is in a sawtooth structure, and the other side of the saw blade (33) is in a semicircular structure;
Clamping holes are formed in positions, corresponding to the second limiting column (323) and the first limiting column (321), of the saw blade (33), clamping grooves are formed in positions, corresponding to the rotating column (27), of the saw blade (33), a connecting cylinder (35) is fixedly connected to the top of the second extruding plate (34), and fixing holes are formed in positions, corresponding to the rotating column (27), the first limiting column (321) and the second limiting column (323), of the second extruding plate (34).
7. An ultrasonic orthopedic surgical saw according to claim 6, wherein: the connecting cylinder (35) is communicated with a fixed hole in the center of the extruding plate II (34), the top end of the connecting cylinder (35) is fixedly connected with a moving plate (36), a sliding block is arranged on the side of the moving plate (36) in a protruding mode, the moving plate (36) is movably arranged on the inner wall of the top of the fixed cylinder (31), and a limiting plate (37) is fixedly arranged on the top of the fixed cylinder (31);
And the inside threaded connection of limiting plate (37) has screw thread post (38), fixed mounting has spacing spring (39) between limiting plate (37) and movable plate (36), and the bottom extrusion setting of screw thread post (38) is at the top of movable plate (36), saw bit (33) extrusion setting is between stripper plate two (34) and stripper plate one (325).
8. An ultrasonic orthopedic surgical saw according to claim 4, wherein: the cooling assembly (4) comprises a spray head (41), the outer wall of the spray head (41) is fixedly connected with a shaft column (42), the bottom end of the shaft column (42) is fixedly connected with a friction plate (43), and the bottom of the friction plate (43) is fixedly connected with a convex strip (44);
the bottom extrusion of sand grip (44) is provided with positioning plate (45), and the top of positioning plate (45) is fixedly connected with sand grip (44) equally, positioning plate (45) are installed in the bottom of bottom plate (28) through pedestal (42) rotation, and the one end fixedly connected with raceway of shower nozzle (41).
9. An ultrasonic orthopedic surgical saw according to claim 5, wherein: an arc-shaped groove is formed in the first extrusion plate (325) corresponding to the vibration plate (54).
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