CN112206033B - Medical electric swing saw for orthopedics department - Google Patents
Medical electric swing saw for orthopedics department Download PDFInfo
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- CN112206033B CN112206033B CN202011200201.8A CN202011200201A CN112206033B CN 112206033 B CN112206033 B CN 112206033B CN 202011200201 A CN202011200201 A CN 202011200201A CN 112206033 B CN112206033 B CN 112206033B
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- 230000000399 orthopedic effect Effects 0.000 title claims description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 31
- 229910052731 fluorine Inorganic materials 0.000 claims description 31
- 239000011737 fluorine Substances 0.000 claims description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000000741 silica gel Substances 0.000 claims description 21
- 229910002027 silica gel Inorganic materials 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 16
- 239000002033 PVDF binder Substances 0.000 claims description 15
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 11
- 210000000988 bone and bone Anatomy 0.000 claims description 10
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000008733 trauma Effects 0.000 abstract description 3
- 238000002316 cosmetic surgery Methods 0.000 abstract 1
- 238000001356 surgical procedure Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000771 oncological effect Effects 0.000 description 1
- 238000002278 reconstructive surgery Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 230000000472 traumatic effect Effects 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
- A61B17/14—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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sawing (AREA)
Abstract
The invention discloses a medical swing saw for orthopaedics, which comprises a power transmission assembly I, a power assembly II, a saw blade III and a battery assembly IV. The invention can complete the opening and closing of the saw blade locking device by rotating the trigger, and inserts the saw blades with different specifications into the swing head groove of the swing saw so as to complete the locking and the taking out of the saw blade. The button switch is a stepless speed change switch, and the output rotating speed is highest when the switch is pressed to the bottom side. Can be used together with other matched instruments when the battery assembly is connected, and can be used for finishing operations such as orthopaedics trauma, joint replacement, plastic surgery and the like.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to an orthopedic medical electric swing saw.
Background
Medical electric swing saws for orthopedics are used in orthopedic and traumatic surgery, including artificial joint replacement, arthroscopic surgery, arthrosctomy and reconstructive surgery, synovial resection, orthopedic surgery, other joint surgery and oncologic surgery, among others. The swing saw has wide application scenes and complex application modes, and the performance and the operation modes of the swing saw are required to meet the requirements of various operations. The medical electric swing saw on the market at present has the problems of weak cutting, single cutting speed, inconvenient installation and extraction of the saw blade and the like, and influences the operation range, success rate and the like.
In order to solve the technical problems, the medical electric swing saw for orthopaedics is designed, the swing saw uses a mobile lithium battery as a power supply, a stepless speed change switch is adopted, all parts of the swing saw are connected stably and not loose, and the saw blade is installed and locked simply and quickly, so that all requirements of orthopaedics and trauma surgery are met.
Disclosure of Invention
The invention aims to provide an orthopedic medical electric swing saw which can be applied to orthopedics and trauma surgery.
In order to solve the technical problems, the invention adopts the following specific technical scheme:
An orthopedic medical electric swing saw is characterized in that: the device comprises a power transmission assembly, a power assembly, a saw blade and a battery assembly; the power transmission assembly comprises a swing saw swing head, a first fluorine rubber O-shaped ring, a first bearing, a swing saw head, a bone saw swing head bearing washer, a second bearing, a C-shaped retainer ring for a clamp spring shaft, a guide nut, a swing saw movable cam, an ear-free retainer ring for a first clamp spring hole, a second fluorine rubber O-shaped ring, a trigger connecting piece, a swing saw locker positioning pin, a swing saw blade locker, a third fluorine rubber O-shaped ring, a first spring, a swing saw swing arm, a fourth fluorine rubber O-shaped ring, a swing saw locking ring, a fifth fluorine rubber O-shaped ring, a swing arm head connecting ring, a trigger spanner, a trigger locking piece and a trigger locking positioning pin; The saw blade locking device is arranged in the saw swing head, and the third fluorine rubber O-shaped ring is arranged between the saw swing head and the saw blade locking device; the swing saw swing arm is sleeved on the periphery of the lower part of the swing saw swing head and extends through the right end of the swing saw machine head; the lower part of the swing saw swing head is arranged in the swing saw machine head, and the first fluorine rubber O-shaped ring, the bone saw swing head bearing washer, the first bearing and the second bearing are arranged between the swing saw swing head and the swing saw machine head; the first bearing and the second bearing are positioned at two sides of the swing saw swing arm; one end of the bone saw swing head bearing gasket is abutted against a step of the swing saw swing head, and the other end of the bone saw swing head bearing gasket is abutted against one end of the second bearing; The other end of the second bearing abuts against the C-shaped retainer ring for the clamp spring shaft; the clamp spring shaft is embedded into a groove of the swing head of the swing saw by a C-shaped retainer ring; the guide nut is arranged on the lower side of the swing head of the swing saw and is in threaded connection with the machine head of the swing saw; the pendulum saw blade locker extends through the guide nut; the first spring is arranged between the swing saw swing head and the swing saw blade locker, one end of the first spring is abutted against a step of the swing saw blade locker, and the other end of the first spring is abutted against the end face of the guide nut; the lower end of the swing saw machine head is connected with the trigger connecting piece, the swing saw movable cam is arranged between the trigger connecting piece and the guide nut, and the swing saw movable cam is in threaded connection with the trigger connecting piece; The guide nut and the trigger connecting piece are provided with the lug-free check ring for the clamp spring hole, the lug-free check ring for the clamp spring hole is propped against the swing saw movable cam, and the lug-free check ring for the clamp spring hole is arranged in the groove of the guide nut; the second fluorine rubber O-shaped ring is arranged between the swing saw head and the trigger connecting piece; the tail end of the pendulum saw blade locker is provided with a pendulum saw locker positioning pin which is accommodated in the trigger connecting piece, and the pendulum saw locker positioning pin abuts against the bottom of the pendulum saw movable cam; the threaded part of the trigger connecting piece passes through the trigger spanner and is in threaded fixation with the trigger locking piece, and the trigger spanner and the trigger connecting piece are positioned by the trigger locking positioning pin; the right end of the swing saw machine head is in threaded connection with the swing arm head connecting ring, the swing saw locking ring is sleeved on the peripheries of the swing saw machine head and the swing arm head connecting ring, the fourth fluorine rubber O-shaped ring is arranged at the joint of the swing saw locking ring and the swing saw machine head, the swing saw locking ring is in threaded connection with the swing saw shell of the power assembly II, and the fifth fluorine rubber O-shaped ring is arranged at the joint;
The power assembly II comprises a nut, a third bearing, a swing saw output eccentric shaft, a second snap spring hole, a lug-free retainer ring, a fourth bearing, a swing saw motor component, a motor compression ring, a first O-shaped ring, a shell back cover, a second O-shaped ring, a swing saw back cover screw, a motor controller component, a swing saw shell, a first bolt, a sealing ring, a snap spring C-shaped meson, a shell sealing terminal piece, a second bolt, a Hall switch button, a switch positioning needle, a magnet, a button cover plate, a third O-shaped ring, a second spring, a switch rebound positioning needle, a positioner, a fourth O-shaped ring, a pull rod hole plug, a fifth O-shaped ring, a motor circuit protection tube, a silica gel tube and a black polyvinylidene fluoride heat shrinkage tube, the device comprises a silica gel heat shrinkage tube, a silica gel insulating sheath flat port and a shell rear cover pad; The front end part of the swing saw shell is connected with the power transmission assembly, the rear end part of the swing saw shell is connected with the shell rear cover, and the first O-shaped ring is arranged at the joint; the rear cover gasket of the shell is arranged in the rear cover of the shell; the swing saw motor assembly is arranged in the swing saw shell, the front end of the swing saw motor assembly is provided with the swing saw output eccentric shaft, the swing saw output eccentric shaft extends out of the swing saw motor assembly, two fourth bearings which are closely abutted together are arranged between the swing saw output eccentric shaft and the swing saw motor assembly, and the end faces, close to the front end of the swing saw motor assembly, of the two fourth bearings are provided with the lug-free retainer rings for the second clamp spring holes; The front end part of the swing saw output eccentric shaft is provided with the third bearing and is in locking connection with the threaded part of the swing saw output eccentric shaft through the nut; the rear end of the swing saw motor assembly is connected with the motor pressing ring, one end of the motor pressing ring abuts against the swing saw motor assembly, and the other end of the motor pressing ring is in threaded connection with an inner hole of the swing saw shell; the rear end of the shell rear cover is fixedly connected with the rear end of the swing saw motor assembly through a swing saw rear cover screw, and the second O-shaped ring is arranged at the joint of the swing saw rear cover screw and the shell rear cover; the motor circuit protection tube is arranged at the rear end of the swing saw motor assembly; the middle part of the swing saw shell is provided with the Hall switch button and the button cover plate; the button cover plate is fixedly connected with the swing saw shell through the second bolt, and the third O-shaped ring is arranged at the connecting position; the fifth O-shaped ring is arranged at the joint of the second bolt and the button cover plate; the Hall switch button is partially accommodated in the button cover plate and the swing saw shell; the Hall switch button is in sliding connection with the button cover plate, and the sealing ring is arranged at the joint; the locator locates through the step of the swing saw shell; the end part of the Hall switch button is provided with the magnet, the switch rebound positioning needle is arranged in the Hall switch button, and one end of the switch rebound positioning needle is fixed on the swing saw shell; The outer side of the switch rebound positioning needle is provided with the second spring, one end of the second spring is propped against the step inside the Hall switch button, and the other end of the second spring is propped against the annular step of the switch rebound positioning needle; the switch positioning needle is further arranged in the Hall switch button; the motor controller component is arranged in the inner cavity of the swing saw shell and is fixed on the swing saw shell through the first bolt; the lower end of the swing saw shell is fixedly connected with the shell sealing terminal piece, and the first O-shaped ring is arranged at the connecting part; the inside of the shell sealing terminal piece is provided with a clamp spring C-shaped meson; the pull rod hole plug is further arranged in the swing saw shell, and the fourth O-shaped ring is arranged at the joint of the pull rod hole plug and the swing saw shell; the axis of the pull rod hole plug is perpendicular to the axis of the gear shifter.
Further, the end part of the swing saw motor assembly is connected with a flat cable plug of the motor controller assembly, and the end part of the swing saw motor assembly is provided with the silicone tube and the black polyvinylidene fluoride heat shrinkage tube; the black polyvinylidene fluoride heat shrinkage pipe extends out of the silica gel pipe, and the first silica gel heat shrinkage pipe is arranged in the middle of the black polyvinylidene fluoride heat shrinkage pipe; the black polyvinylidene fluoride heat shrinkage tube is connected with the motor controller component; the lower extreme of motor controller subassembly is provided with two leads, two leads extend through the second silica gel pyrocondensation pipe, and the flat mouthful of silica gel insulating sheath, and with the casing seal terminal spare is connected.
Further, the power assembly and the power transmission assembly are connected in a mode that the swing saw locking ring and the swing arm head connecting ring are fixed by threads and glue.
Further, the trigger spanner can be screwed clockwise to drive the swing saw blade locker to move so that the saw blade can be inserted into the swing head of the swing saw, and the trigger spanner can be screwed anticlockwise again to clamp the saw blade; likewise, twisting the trigger wrench clockwise may drive the pendulum saw blade locker to move so that the saw blade may be removed from the pendulum saw pendulum head, and again twisting the trigger wrench counter-clockwise may restore the pendulum saw to an initial state.
Further, inserting the powered battery assembly into the swing saw housing may complete the preparation of the swing saw operation. Further, the swing saw can be started by pressing the Hall switch button, and the swing saw can be started in a stepless speed change way, and the highest swing frequency is 12000 times/min.
The invention has the following beneficial effects: compared with the prior art, the portable power source is used for supplying power to the instrument, the operation mode is simple, convenient and quick, the host computer performance is strong, the stepless speed change application range is wide, the workload of doctors is reduced to a certain extent, and the pain born by patients during and after operation is relieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is an exploded view of the power transmission assembly of the present invention;
FIG. 4 is a schematic view of a power transmission assembly according to the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a cross-sectional view (rotated 90 degrees counterclockwise) of the powertrain of the present invention;
FIG. 7 is a partial cross-sectional view of the invention at I of FIG. 6;
FIG. 8 is a schematic diagram of the powertrain components of the present invention;
FIG. 9 is a schematic diagram of the connection of a gang wire plug of a pendulum saw motor assembly and a motor controller assembly of the present invention;
FIG. 10 is a schematic diagram of the circuit connection of the pendulum saw motor assembly and motor controller assembly of the present invention;
fig. 11 is a schematic diagram of the circuit connection of the motor controller assembly of the present invention to the housing seal terminal member.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings and specific examples.
1-11, The medical electric swing saw for orthopaedics comprises a power transmission assembly I, a power assembly II, a saw blade III and a battery assembly IV; the power transmission assembly I comprises a swing saw swing head 101, a first fluorine rubber O-shaped ring 102, a first bearing 103, a swing saw head, a bone saw swing head bearing washer 105, a second bearing 106, a C-shaped retainer ring 107 for a clamp spring shaft, a guide nut 108, a swing saw movable cam 109, a lug-free retainer ring 110 for a first clamp spring hole, a second fluorine rubber O-shaped ring 111, a trigger connector 112, a swing saw locker positioning pin 113, a swing saw blade locker 114, a third fluorine rubber O-shaped ring 115, a first spring 116, a swing saw swing arm 117, a fourth fluorine rubber O-shaped ring 118, a swing saw locking ring 119, a fifth fluorine rubber O-shaped ring 120, A swing arm head connecting ring 121, a trigger wrench 122, a trigger lock 123, and a trigger lock positioning pin 124; A saw blade locker 114 is arranged in the saw swing head 101, and a third fluorine rubber O-shaped ring 115 is arranged between the saw swing head 101 and the saw blade locker 114; the swing saw swing arm 117 is sleeved on the periphery of the lower part of the swing saw swing head 101 and extends through the right end of the swing saw machine head 104; the lower part of the swing saw swing head 101 is arranged in the swing saw machine head 104, and a first fluorine rubber O-shaped ring 102, a bone saw swing head bearing washer 105, a first bearing 103 and a second bearing 106 are arranged between the swing saw swing head 101 and the swing saw machine head 104; the first bearing 103 and the second bearing 106 are positioned at two sides of the swing saw swing arm 117; One end of the bone saw swing head bearing washer 105 abuts against a step of the swing saw swing head 101, and the other end abuts against one end of the second bearing 106; the other end of the second bearing 106 abuts against the C-shaped retainer ring 107 for the snap spring shaft; the clamp spring shaft is embedded into a groove of the swing saw swing head 101 by a C-shaped retainer ring 107; a guide nut 108 is arranged on the lower side of the swing saw swing head 101, and the guide nut 108 is in threaded connection with the swing saw machine head 104; the pendulum saw blade lock 114 extends through the guide nut 108; a first spring 116 is arranged between the pendulum saw pendulum head 101 and the pendulum saw blade locker 114, one end of the first spring 116 is abutted against a step of the pendulum saw blade locker 114, and the other end is abutted against the end face of the guide nut 108; A trigger connecting piece 112 is connected to the lower end of the swing saw head 104, a swing saw movable cam 109 is arranged between the trigger connecting piece 112 and the guide nut 108, and the swing saw movable cam 109 is in threaded connection with the trigger connecting piece 112; a lug-free retainer ring 110 for a clamp spring hole is arranged between the guide nut 108 and the trigger connecting piece 112, the lug-free retainer ring 110 for the clamp spring hole is abutted against the swing saw movable cam 109, and the lug-free retainer ring 110 for the clamp spring hole is arranged in a groove of the guide nut 108; a second fluorine rubber O-shaped ring 111 is arranged between the swing saw head 104 and the trigger connecting piece 112; the tail end of the pendulum saw blade locker 114 is provided with a pendulum saw locker positioning pin 113, the pendulum saw locker positioning pin 113 is accommodated in the trigger connecting piece 112, and the pendulum saw locker positioning pin 113 abuts against the bottom of the pendulum saw movable cam 109; the threaded portion of the trigger connector 112 passes through the trigger wrench 122 and is screwed with the trigger lock 123, and the trigger wrench 122 and the trigger connector 112 are positioned by the trigger lock positioning pin 124; the right end of the swing saw head 104 is in threaded connection with a swing arm head connecting ring 121, a swing saw locking ring 119 is sleeved on the peripheries of the swing saw head 104 and the swing arm head connecting ring 121, a fourth fluorine rubber O-shaped ring 118 is arranged at the joint of the swing saw locking ring 119 and the swing saw head 104, the swing saw locking ring 119 is in threaded connection with the swing saw shell 13 of the power assembly II, and a fifth fluorine rubber O-shaped ring 120 is arranged at the joint;
The power assembly II comprises a nut 01, a third bearing 02, a swing saw output eccentric shaft 03, a second snap spring hole lug-free retainer ring 04, a fourth bearing 05, a swing saw motor component 06, a motor compression ring 07, a first O-shaped ring 08, a shell rear cover 09, a second O-shaped ring 10, a swing saw rear cover screw 11, a motor controller component 12, a swing saw shell 13, a first bolt 14, a sealing ring 15, a snap spring C-shaped meson 16, a shell sealing terminal piece 17, a second bolt 18, a Hall switch button 19, a switch positioning needle 20, a magnet 21, a button cover plate 22, a third O-shaped ring 23, a second spring 24 and a switch rebound positioning needle 25, the device comprises a positioner 26, a fourth O-shaped ring 27, a pull rod hole plug 28, a fifth O-shaped ring 29, a motor line protection tube 30, a silica gel tube 31, a black polyvinylidene fluoride heat shrinkage tube 32, a silica gel heat shrinkage tube 33, a silica gel insulating sheath 4.8 flat port 34 and a shell rear cover pad 35; the front end part of the swing saw shell 13 is connected with the power transmission assembly I, the rear end part of the swing saw shell 13 is connected with the shell rear cover 09, and a first O-shaped ring 08 is arranged at the joint; a case rear cover pad 35 is arranged inside the case rear cover 09; a swing saw motor assembly 06 is arranged in the swing saw shell 13, a swing saw output eccentric shaft 03 is arranged at the front end of the swing saw motor assembly 06, the swing saw output eccentric shaft 03 extends out of the swing saw motor assembly 06, two fourth bearings 05 which are abutted together are arranged between the swing saw output eccentric shaft 03 and the swing saw motor assembly 06, and a second lug-free retainer ring 04 for a clamp spring hole is arranged on the end face, close to the front end of the swing saw motor assembly 06, of the two fourth bearings 05; the front end part of the swing saw output eccentric shaft 03 is provided with a third bearing 02 and is in locking connection with a thread part of the swing saw output eccentric shaft 03 through a nut 01; the rear end of the swing saw motor assembly 06 is connected with a motor pressing ring 07, one end of the motor pressing ring 07 abuts against the swing saw motor assembly 06, and the other end is in threaded connection with an inner hole of the swing saw shell 13; the rear end of the shell rear cover 09 is fixedly connected with the rear end of the swing saw motor assembly 06 through a swing saw rear cover screw 11, and a second O-shaped ring 10 is arranged at the joint of the swing saw rear cover screw 11 and the shell rear cover 09; the rear end of the swing saw motor component 06 is provided with a motor circuit protection tube 30; the middle part of the swing saw shell 13 is provided with a Hall switch button 19 and a button cover plate 22; The button cover plate 22 is fixedly connected with the swing saw shell 13 through a second bolt 18, and a third O-shaped ring 23 is arranged at the connection part; a fifth O-ring 29 is arranged at the joint of the second bolt 18 and the button cover plate 22; a part of the hall switch button 19 is accommodated in the button cover 22 and the inside of the swing saw housing 13; the Hall switch button 19 is in sliding connection with the button cover plate 22, and a sealing ring 15 is arranged at the connection part; the locator 26 is located through the step of the swing saw housing 13; the end part of the Hall switch button 19 is provided with a magnet 21, a switch rebound positioning needle 25 is arranged in the magnet, and one end of the switch rebound positioning needle 25 is fixed on the swing saw shell 13; the outer side of the switch rebound positioning needle 25 is provided with a second spring 24, one end of the second spring 24 is abutted against a step in the Hall switch button 19, and the other end is abutted against an annular step of the switch rebound positioning needle 25; the Hall switch button 120 is also internally provided with a switch positioning needle 20; the motor controller component 12 is arranged in the inner cavity of the swing saw shell 13 and is fixed on the swing saw shell 13 through a first bolt 14; the lower end of the swing saw shell 13 is fixedly connected with a shell sealing terminal piece 17, and a first O-shaped ring 08 is arranged at the connection part; the shell sealing terminal piece 17 is internally provided with a clamp spring C-shaped meson 16; a pull rod hole plug 28 is further arranged in the swing saw shell 13, and a fourth O-shaped ring 27 is arranged at the joint of the pull rod hole plug 28 and the swing saw shell 13; the axis of the pull rod hole plug 28 is perpendicular to the axis of the shifter 36;
The end part of the swing saw motor assembly 06 is connected with a flat cable plug of the motor controller assembly 12, and the end part of the swing saw motor assembly 06 is provided with a silica gel tube 31 and a black polyvinylidene fluoride heat shrinkage tube 32; the black polyvinylidene fluoride heat shrinkage tube 32 extends out of the silica gel tube 31, and a first silica gel heat shrinkage tube 33 is arranged in the middle of the black polyvinylidene fluoride heat shrinkage tube 32; the black polyvinylidene fluoride heat shrink tube 32 is connected with the motor controller assembly 12; the lower end of the motor controller assembly 12 is provided with two leads which extend through the second silicone heat shrink tube 33 and the flat port 34 of the silicone insulating sheath 4.8 and are connected with the housing seal terminal member 17.
Further, the power assembly I and the power transmission assembly II are fixedly connected by using threads and glue through a swing saw locking ring 119 and a swing arm head connecting ring 121.
Further, the swing saw blade locker 114 is driven to move by screwing the trigger wrench 122 clockwise so that the saw blade III can be inserted into the swing saw swing head 101, and the saw blade III can be clamped by screwing the trigger wrench 122 counterclockwise again; likewise, twisting the trigger lever 122 clockwise moves the pendulum saw blade lock 114 so that the saw blade III can be removed from the pendulum saw pendulum head 101, and again twisting the trigger lever 122 counterclockwise returns the pendulum saw to its original state.
Further, the insertion of the powered battery assembly IV into the saw housing 13 may complete the preparation of the saw operation.
Further, the swing saw can be started by pressing the Hall switch button 19, and the swing saw can be started in a stepless speed change way, and the highest swing frequency is 12000 times/min.
The working process of the invention is as follows:
(1) Pulling the trigger wrench 122 of the orthopedic medical electric swing saw head to the position The saw blade III is inserted into the groove at the end of the swing saw head, and the trigger wrench 122 at the head of the swing saw is pulled toPosition.
(2) The battery pack IV can be used by being mounted in a pendulum saw.
(3) When the switch is pressed, the mobile phone starts to work.
(4) The switch is an electrodeless speed regulation switch, and the output amplitude is maximum when the switch is pressed to the bottom side. Please properly adjust the output of the mobile phone according to the working requirement.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for the purpose of limiting the invention, and that variations and modifications of the above described embodiments will fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (3)
1. An orthopedic medical electric swing saw is characterized in that: comprises a power transmission assembly (I), a power assembly (II), a saw blade (III) and a battery component (IV); the power transmission assembly (I) comprises a swing saw swing head (101), a first fluorine rubber O-shaped ring (102), a first bearing (103), a swing saw head (104), a bone saw swing head bearing gasket (105), a second bearing (106), a C-shaped retainer ring (107) for a clamp spring shaft, a guide nut (108), a swing saw movable cam (109), a lug-free retainer ring (110) for a first clamp spring hole, a second fluorine rubber O-shaped ring (111), a trigger connecting piece (112), a swing saw locker positioning pin (113), a swing saw blade locker (114), a third fluorine rubber O-shaped ring (115), a first spring (116), a second spring (116) and a third fluorine rubber O-shaped ring, The swing saw comprises a swing saw swing arm (117), a fourth fluorine rubber O-shaped ring (118), a swing saw locking ring (119), a fifth fluorine rubber O-shaped ring (120), a swing arm head connecting ring (121), a trigger spanner (122), a trigger locking piece (123) and a trigger locking positioning pin (124); The swing saw blade locker (114) is arranged in the swing saw swing head (101), and the third fluorine rubber O-shaped ring (115) is arranged between the swing saw swing head (101) and the swing saw blade locker (114); the swing saw swing arm (117) is sleeved on the periphery of the lower part of the swing saw swing head (101) and extends through the right end of the swing saw machine head (104); the lower part of the swing saw swing head (101) is arranged in the swing saw machine head (104), and the first fluorine rubber O-shaped ring (102), the bone saw swing head bearing gasket (105), the first bearing (103) and the second bearing (106) are arranged between the swing saw swing head (101) and the swing saw machine head (104); the first bearing (103) and the second bearing (106) are positioned on two sides of the swing saw swing arm (117); one end of the bone saw swing head bearing washer (105) is abutted against a step of the swing saw swing head (101), and the other end is abutted against one end of the second bearing (106); the other end of the second bearing (106) is abutted against the C-shaped retainer ring (107) for the clamp spring shaft; the clamp spring shaft is embedded into a groove of the swing saw swing head (101) through a C-shaped retainer ring (107); the lower side of the swing saw swing head (101) is provided with the guide nut (108), and the guide nut (108) is in threaded connection with the swing saw machine head (104); The pendulum saw blade lock (114) extends through the guide nut (108); the first spring (116) is arranged between the swing saw swing head (101) and the swing saw blade locker (114), one end of the first spring (116) abuts against a step of the swing saw blade locker (114), and the other end abuts against the end face of the guide nut (108); the lower end of the swing saw machine head (104) is connected with the trigger connecting piece (112), the swing saw movable cam (109) is arranged between the trigger connecting piece (112) and the guide nut (108), and the swing saw movable cam (109) is in threaded connection with the trigger connecting piece (112); The guide nut (108) and the trigger connecting piece (112) are provided with the first earless retainer ring (110) for the clamp spring hole, the first earless retainer ring (110) for the clamp spring hole is abutted against the swing saw movable cam (109), and the first earless retainer ring (110) for the clamp spring hole is arranged in the groove of the guide nut (108); the second fluorine rubber O-shaped ring (111) is arranged between the swing saw head (104) and the trigger connecting piece (112); the tail end of the pendulum saw blade locker (114) is provided with the pendulum saw locker positioning pin (113), the pendulum saw locker positioning pin (113) is contained in the trigger connecting piece (112), and the pendulum saw locker positioning pin (113) abuts against the bottom of the pendulum saw movable cam (109); the threaded part of the trigger connecting piece (112) passes through the trigger spanner (122) and is in threaded fixation with the trigger locking piece (123), and the trigger spanner (122) and the trigger connecting piece (112) are positioned by the trigger locking positioning pin (124); the right end of the swing saw machine head (104) is in threaded connection with the swing arm head connecting ring (121), the swing saw locking ring (119) is sleeved on the peripheries of the swing saw machine head (104) and the swing arm head connecting ring (121), the fourth fluorine rubber O-shaped ring (118) is arranged at the joint of the swing saw locking ring (119) and the swing saw machine head (104), the swing saw locking ring (119) is in threaded connection with the swing saw shell (13) of the power assembly (II), and the fifth fluorine rubber O-shaped ring (120) is arranged at the joint;
The power assembly (II) comprises a nut (01), a third bearing (02), a swing saw output eccentric shaft (03), a second snap spring hole lug-free retainer ring (04), a fourth bearing (05), a swing saw motor component (06), a motor compression ring (07), a first O-shaped ring (08), a shell rear cover (09), a second O-shaped ring (10), a swing saw rear cover screw (11), a motor controller component (12), a swing saw shell (13), a first bolt (14), a sealing ring (15), a snap spring C-shaped meson (16), a shell sealing terminal piece (17), a second bolt (18) and a Hall switch button (19), the device comprises a switch positioning needle (20), a magnet (21), a button cover plate (22), a third O-shaped ring (23), a second spring (24), a switch rebound positioning needle (25), a positioner (26), a fourth O-shaped ring (27), a pull rod hole plug (28), a fifth O-shaped ring (29), a motor circuit protection tube (30), a silica gel tube (31), a black polyvinylidene fluoride heat shrinkage tube (32), a first silica gel heat shrinkage tube, a second silica gel heat shrinkage tube, a silica gel insulating sheath flat port (34) and a shell rear cover pad (35); The front end part of the swing saw shell (13) is connected with the power transmission assembly (I), the rear end part of the swing saw shell (13) is connected with the shell rear cover (09), and the first O-shaped ring (08) is arranged at the connecting part; the shell rear cover (09) is internally provided with the shell rear cover pad (35); the swing saw motor assembly (06) is arranged in the swing saw shell (13), the swing saw output eccentric shaft (03) is arranged at the front end of the swing saw motor assembly (06), the swing saw output eccentric shaft (03) extends out of the swing saw motor assembly (06), two fourth bearings (05) which are abutted together are arranged between the swing saw output eccentric shaft (03) and the swing saw motor assembly (06), and the two fourth bearings (05) are provided with lug-free check rings (04) for the second clamp spring holes close to the end face of the front end part of the swing saw motor assembly (06); the front end part of the swing saw output eccentric shaft (03) is provided with the third bearing (02) and is in locking connection with the thread part of the swing saw output eccentric shaft (03) through the nut (01); the rear end of the swing saw motor assembly (06) is connected with the motor pressing ring (07), one end of the motor pressing ring (07) abuts against the swing saw motor assembly (06), and the other end of the motor pressing ring is in threaded connection with an inner hole of the swing saw shell (13); the rear end of the shell rear cover (09) is fixedly connected with the rear end of the swing saw motor assembly (06) through a swing saw rear cover screw (11), and a second O-shaped ring (10) is arranged at the joint of the swing saw rear cover screw (11) and the shell rear cover (09); The rear end of the swing saw motor assembly (06) is provided with the motor circuit protection tube (30); the middle part of the swing saw shell (13) is provided with the Hall switch button (19) and the button cover plate (22); the button cover plate (22) is fixedly connected with the swing saw shell (13) through the second bolt (18), and the third O-shaped ring (23) is arranged at the joint; the fifth O-shaped ring (29) is arranged at the joint of the second bolt (18) and the button cover plate (22); part of the Hall switch button (19) is accommodated in the button cover plate (22) and the swing saw shell (13); The Hall switch button (19) is in sliding connection with the button cover plate (22), and the sealing ring (15) is arranged at the connection part; the locator (26) is located through the step of the swing saw shell (13); the end part of the Hall switch button (19) is provided with the magnet (21), the switch rebound positioning needle (25) is arranged in the Hall switch button, and one end of the switch rebound positioning needle (25) is fixed on the swing saw shell (13); the outer side of the switch rebound positioning needle (25) is provided with the second spring (24), one end of the second spring (24) is propped against the step inside the Hall switch button (19), and the other end is propped against the annular step of the switch rebound positioning needle (25); The Hall switch button (19) is internally provided with the switch positioning needle (20); the motor controller assembly (12) is arranged in the inner cavity of the swing saw shell (13) and is fixed on the swing saw shell (13) through the first bolt (14); the lower end of the swing saw shell (13) is fixedly connected with the shell sealing terminal piece (17), and the first O-shaped ring (08) is arranged at the connecting position; the inside of the shell sealing terminal piece (17) is provided with a clamp spring C-shaped meson (16); the inside of the swing saw shell (13) is also provided with the pull rod hole plug (28), and the joint of the pull rod hole plug (28) and the swing saw shell (13) is provided with the fourth O-shaped ring (27); The axis of the pull rod hole plug (28) is perpendicular to the axis of the gear shifter (36); the end part of the swing saw motor assembly (06) is connected with a flat cable plug of the motor controller assembly (12), and the end part of the swing saw motor assembly (06) is provided with the silicone tube (31) and a black polyvinylidene fluoride heat shrinkage tube (32); the black polyvinylidene fluoride heat shrinkage tube (32) extends out of the silica gel tube (31), and the first silica gel heat shrinkage tube is arranged in the middle of the black polyvinylidene fluoride heat shrinkage tube (32); the black polyvinylidene fluoride heat shrinkage tube (32) is connected with the motor controller assembly (12); The lower end of the motor controller assembly (12) is provided with two leads which extend through the second silica gel heat shrink tube and the silica gel insulating sheath flat port (34) and are connected with the shell sealing terminal piece (17); the power transmission assembly (I) and the power assembly (II) are connected by the swing saw locking ring (119) and the swing arm head connecting ring (121) in a mode of being fixed by threads and glue; the trigger spanner (122) is screwed clockwise to drive the swing saw blade locker (114) to move so that the saw blade (III) can be inserted into the swing saw swing head (101), and the trigger spanner (122) is screwed anticlockwise again to clamp the saw blade (III); Likewise, turning the trigger wrench (122) clockwise may drive the swing saw blade locker (114) to move so that the saw blade (III) may be removed from the swing saw swing head (101), and turning the trigger wrench (122) counter-clockwise again may restore the swing saw to an initial state.
2. The orthopedic medical powered pendulum saw of claim 1, wherein: insertion of the powered battery assembly (IV) into the pendulum saw housing (13) may complete the pendulum saw operation preparation.
3. The orthopedic medical powered pendulum saw of claim 1, wherein: the swing saw can be started by pressing the Hall switch button (19), and the swing saw can be started in a stepless speed change way, and the highest swing frequency is 12000 times/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011200201.8A CN112206033B (en) | 2020-10-31 | 2020-10-31 | Medical electric swing saw for orthopedics department |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011200201.8A CN112206033B (en) | 2020-10-31 | 2020-10-31 | Medical electric swing saw for orthopedics department |
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| CN112206033A CN112206033A (en) | 2021-01-12 |
| CN112206033B true CN112206033B (en) | 2024-07-19 |
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| CN115068044A (en) * | 2022-07-29 | 2022-09-20 | 许拥解 | Medical electric swing saw for orthopedics department |
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| CN213883381U (en) * | 2020-10-31 | 2021-08-06 | 苏州爱科硕科技有限公司 | Medical electric swing saw for orthopedics department |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2334346Y (en) * | 1998-02-13 | 1999-08-25 | 侯文平 | Multi-function electric bone drill |
| CN2805696Y (en) * | 2005-06-02 | 2006-08-16 | 北京茵普兰科技发展有限公司 | Medical electric bone saw |
| EP1903953A1 (en) * | 2005-07-14 | 2008-04-02 | Stryker Corporation | Surgical sagittal saw |
| US9017355B2 (en) * | 2007-12-03 | 2015-04-28 | Covidien Ag | Battery-powered hand-held ultrasonic surgical cautery cutting device |
| CN102462527A (en) * | 2010-11-16 | 2012-05-23 | 成都施美德医疗设备有限公司 | Head-oscillating cutting device |
| EP2704645A1 (en) * | 2011-05-04 | 2014-03-12 | Stryker Corporation | Surgical sagittal saw with a drive assembly capable of displacing the attached blade in a crossed loop pattern |
| CN102940516B (en) * | 2012-11-28 | 2014-10-22 | 重庆西山科技有限公司 | Orthopedic drilling and sawing power mobile phone |
| CN109938797B (en) * | 2017-12-20 | 2022-03-04 | 上海博进医疗器械有限公司 | Multifunctional medical swing saw |
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| CN213883381U (en) * | 2020-10-31 | 2021-08-06 | 苏州爱科硕科技有限公司 | Medical electric swing saw for orthopedics department |
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