CN109938797B - Multifunctional medical swing saw - Google Patents

Multifunctional medical swing saw Download PDF

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Publication number
CN109938797B
CN109938797B CN201711385936.0A CN201711385936A CN109938797B CN 109938797 B CN109938797 B CN 109938797B CN 201711385936 A CN201711385936 A CN 201711385936A CN 109938797 B CN109938797 B CN 109938797B
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motor
shell
sleeve
saw
ball bearing
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CN109938797A (en
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曲人晶
王熙迥
王浩
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Shanghai Bojin Medical Instrument Co ltd
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Shanghai Bojin Medical Instrument Co ltd
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Abstract

The invention discloses a multifunctional medical oscillating saw, which comprises a control device, a shell, a handle, a motor, a transmission device and an oscillating head, wherein one end of the shell is provided with a rotating device connected with the oscillating head; the swinging head comprises a swinging shell, a pressure plate, a knife rest and a knob, the swinging shell is connected to the rotating device, the knob is arranged at the bottom of the swinging shell, the knife rest is arranged at the top of the swinging shell, part of the bottom of the knife rest is inserted into the swinging shell, the knife rest is connected to the shifting fork, the pressure plate is arranged at the top of the knife rest, a connecting rod penetrating through the knife rest and connected to the knob is arranged at the bottom of the pressure plate, and a return spring is sleeved outside the connecting rod; the control device is connected with the motor in a control mode.

Description

Multifunctional medical swing saw
Technical Field
The invention relates to the technical field of medical instruments, in particular to a multifunctional medical swing saw.
Background
In the orthopedic surgery, the broken bone tissue of a patient is often cut off by a saw blade, in the cutting process, in order to avoid excessive bleeding of the patient, the smaller the cut wound is, the better the cut wound is, the medical saw needs to swing at a high speed in a smaller stroke, and the medical saw only cuts off the bone tissue without injuring muscles, soft tissues and nerve tissues due to the adoption of the motion characteristics of small swing and high swing frequency, but in the medical swing saw in the prior art, a motor is horizontally arranged and is parallel to a swing shaft and a shifting fork in a split manner, the output torque of the swing saw is correspondingly related to the size of the motor, so that large torque is output, a large-diameter motor is needed, an operator needs to be miniaturized, a contradiction is formed, in addition, because the swing saw in the current market has no effective sealing structure, blood water in the use process can enter the tool to cause the corrosion of internal parts, and is not beneficial to secondary disinfection treatment.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multifunctional medical swing saw, which can reduce the diameter of an output shaft of a motor by vertically placing the motor in a handle, and effectively solve the contradiction of small volume and large output torque; the oil seal is used as a dynamic sealing structure, an effective sealing structure is added, blood water can be prevented from entering the interior of the oscillating saw body, the interior of the oscillating saw body cannot be polluted, and the service life of the tool can be effectively prolonged; the structure is simple, the weight of the moving part is reduced, the reactive loss is reduced as far as possible, the working current is reduced, the service life is prolonged, and the defects caused by the prior art are overcome.
In order to solve the technical problems, the invention provides the following technical scheme: a multifunctional medical oscillating saw comprises an oscillating saw body, wherein the oscillating saw body is used for being connected with a saw blade to cut bone tissues in a medical operation and comprises a control device, a shell, a handle, a motor, a transmission device and an oscillating head, a rotating device connected with the oscillating head is arranged at one end of the shell, the shell is fixedly connected to the top of the handle, the control device is connected to one side of the handle, the transmission device is arranged inside the shell, the motor is arranged inside the handle, a gear set connected with the transmission device is arranged at the top of the motor, the bottom of the motor is connected to the handle through a motor fixing piece, the motor is electrically connected to the control device, and a shifting fork connected with the oscillating head is arranged at one end, away from the gear set, of the transmission device;
the swinging head comprises a swinging shell, a pressure plate, a knife rest and a knob, the swinging shell is connected to the rotating device, the knob is arranged at the bottom of the swinging shell, the knife rest is arranged at the top of the swinging shell, part of the bottom of the knife rest extends into the swinging shell, the knife rest is connected to the shifting fork, the pressure plate is arranged at the top of the knife rest, a connecting rod penetrating through the knife rest and connected to the knob is arranged at the bottom of the pressure plate, and a return spring is sleeved outside the connecting rod;
the control device is connected with the motor in a control mode.
The multifunctional medical oscillating saw comprises a control device, a control panel and a speed regulating device, wherein the control device is respectively in control connection with the control panel and the speed regulating device, and the control panel is in control connection with the motor;
the controller comprises a control button, and a magnetic steel and a button spring which are arranged in the control button, wherein the magnetic steel is arranged on the upper side of the button spring, and a button seat connected with the handle is arranged on the control button;
and a Hall element sensor matched with the magnetic steel and the speed regulating device is arranged on the control panel.
The multifunctional medical pendulum saw is characterized in that a gearbox is arranged inside the motor, the top of the motor is provided with a gear box connected with the gear set, the gear set comprises a motor bevel gear connected with the gear box and a transmission bevel gear connected with the transmission device, the motor bevel gear is connected with the transmission bevel gear, and A-shaped flat keys are arranged on the motor bevel gear and the transmission bevel gear.
The multifunctional medical pendulum saw comprises a main shaft and a first deep groove ball bearing, wherein the first deep groove ball bearing is sleeved at one end of the main shaft, a transmission bevel gear is sleeved at one end, deviating from the first deep groove ball bearing, of the main shaft, an eccentric shaft connected with a shifting fork is arranged at one end, close to the first deep groove ball bearing, of the main shaft, and a pendulum ball device is arranged between the eccentric shaft and the shifting fork;
and a shaft sleeve sleeved on the main shaft is arranged between the first deep groove ball bearing and the transmission bevel gear.
The multifunctional medical swing saw is characterized in that one end, away from the ball swinging device, of the shifting fork is connected to the knife rest, a second deep groove ball bearing and a third deep groove ball bearing which are sleeved on the knife rest are respectively arranged on two sides of the shifting fork, the second deep groove ball bearing is arranged on the upper side of the third deep groove ball bearing, a shifting fork gasket which is sleeved on the knife rest is arranged on the upper side of the third deep groove ball bearing, and an elastic check ring for a shaft and an elastic check ring for a hole which are sleeved on the knife rest are sequentially arranged on the lower side of the third deep groove ball bearing;
an oil seal is arranged between the tool rest and the swing shell;
the bottom of connecting rod is equipped with the connection the sliding sleeve of knob, the bottom of sliding sleeve is equipped with the locking plate.
The multifunctional medical pendulum saw comprises a handle, a knob, a sliding block and a spring, wherein the sliding block is arranged in the handle;
the bottom of pendulum shell is equipped with the connection the runing rest of cap soon, runing rest with pendulum shell revolve all be equipped with the sealing washer between the cap, be equipped with on the runing rest and connect the pressure cover of kicking block, the inside of kicking block is equipped with the connection the rotating spring who revolves the cap.
The multifunctional medical pendulum saw comprises a rotating device, a rotating locking sleeve, a rotating fixing sleeve, a wave spring and a locking nut, wherein the rotating locking sleeve, the rotating fixing sleeve, the wave spring and the locking nut are sequentially arranged on the rotating device;
the joint of the rotary locking sleeve and the rotary fixing sleeve is sleeved with a head-swinging splicing cap which is connected with the casing, and the rotary fixing sleeve is connected with the casing.
The multifunctional medical oscillating saw is characterized in that the rotary locking sleeve, the rotary fixing sleeve, the wave spring and the locking nut are arranged inside the casing.
The multifunctional medical swing saw is characterized in that the rotary locking sleeve is provided with a plurality of limiting blocks, and the rotary fixing sleeve is provided with limiting grooves matched with the limiting blocks.
According to the technical scheme provided by the invention, the multifunctional medical oscillating saw has the following effects: the motor is vertically arranged in the handle, so that the diameter of the output shaft of the motor can be reduced, and the contradiction of small volume and large output torque is effectively solved; the oil seal is used as a dynamic sealing structure, an effective sealing structure is added, blood water can be prevented from entering the interior of the oscillating saw body, the interior of the oscillating saw body cannot be polluted, and the service life of the tool can be effectively prolonged; the structure is simple, the weight of the moving part is reduced, and the reactive loss is reduced as much as possible, so that the working current is reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic structural view of a multifunctional medical oscillating saw according to the present invention;
FIG. 2 is a schematic structural diagram of a controller of the multifunctional medical oscillating saw according to the present invention;
fig. 3 is a schematic structural view of a swing head in the multifunctional medical swing saw of the invention.
Wherein the reference numbers are as follows: the pendulum saw comprises a pendulum saw body 101, a control device 102, a machine shell 103, a handle 104, a motor 105, a transmission device 106, a pendulum head 107, a rotating device 108, a motor bevel gear 109, a transmission bevel gear 110, a motor fixing plate 111, a pull fork 112, a gear box 113, an A-shaped flat key 114, a main shaft 115, a first deep groove ball bearing 116, an eccentric shaft 117, a pendulum ball device 118, a shaft sleeve 119, a control plate 120, a speed regulation device 121, a controller 201, a control button 202, a magnetic steel 203, a button spring 204, a button seat 205, a pendulum shell 301, a pressure plate 302, a tool holder 303, a knob 304, a connecting rod 305, a second deep groove ball bearing 306, a third deep groove ball bearing 307, a pull fork washer 308, a shaft circlip 309, a hole circlip 310, an oil seal 311, a sliding sleeve 312, a locking plate 313, a screw cap 314, a top block 315, a steel ball 316, a sliding rail, a rotating bracket 318, a sealing ring 319, a pressing sleeve 330, a rotating spring 331, a rotating sleeve 332, a rotating sleeve, A rotary locking sleeve 333, a rotary fixing sleeve 334, a wave spring 335, a locking nut 336, a swinging head split cap 337 and a return spring 338.
Detailed Description
In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.
The invention provides a multifunctional medical oscillating saw, aiming at reducing the diameter of an output shaft of a motor by vertically placing the motor in a handle, and effectively solving the contradiction of small volume and large output torque; the oil seal is used as a dynamic sealing structure, an effective sealing structure is added, blood water can be prevented from entering the interior of the oscillating saw body, the interior of the oscillating saw body cannot be polluted, and the service life of the tool can be effectively prolonged; the structure is simple, the weight of the moving part is reduced, and the reactive loss is reduced as much as possible, so that the working current is reduced, and the service life is prolonged.
As shown in fig. 1, a multifunctional medical oscillating saw comprises an oscillating saw body 101 for connecting a saw blade to cut bone tissue in a medical operation, wherein the oscillating saw body 101 comprises a control device 102, a housing 103, a handle 104, a motor 105, a transmission device 106 and an oscillating head 107, one end of the housing 103 is provided with a rotating device 108 connected with the oscillating head 107, the housing 103 is fixedly connected to the top of the handle 104, the control device 102 is connected to one side of the handle 104, the transmission device 106 is arranged inside the housing 103, the motor 105 is arranged inside the handle 104, the top of the motor 105 is provided with a gear set connected with the transmission device 106, the bottom of the motor 105 is connected to the handle 104 through a motor fixing plate 111, the motor 105 is electrically connected to the control device 102, and one end of the transmission device 106, which is far away from the gear set, is provided with a shifting fork 112 connected with the oscillating head 107;
the pendulum head 107 comprises a pendulum shell 301, a pressure plate 302, a knife rest 303 and a knob 304, the pendulum shell 301 is connected to the rotating device 108, the knob 304 is arranged at the bottom of the pendulum shell 301, the knife rest 303 is arranged at the top of the pendulum shell 301, part of the bottom of the knife rest 303 extends into the pendulum shell 301, the knife rest 303 is connected to the shifting fork 112, the pressure plate 302 is arranged at the top of the knife rest 303, the bottom of the pressure plate 302 is provided with a connecting rod 305 which penetrates through the knife rest 303 and is connected to the knob 304, and a return spring 338 is sleeved outside the connecting rod 305;
the control device 102 controls the connection motor 105.
As shown in fig. 2, in the multifunctional medical oscillating saw provided by the embodiment, the adopted control device 102 includes a controller 201, a control board 120 and a speed regulating device 121, the controller 201 and the speed regulating device 121 are respectively connected to the control board 120 in a control manner, and the control board 120 is connected to the motor 105 in a control manner;
the controller 201 comprises a control button 202, and a magnetic steel 203 and a button spring 204 which are arranged inside the control button 202, wherein the magnetic steel 203 is arranged on the upper side of the button spring 204, a button seat 205 connected with the handle 104 is arranged on the control button 202, when the controller is used, the magnetic steel 203 and a Hall element sensor are controlled by controlling the control button 202 to adjust the rotating speed of the motor 105, the adjusting device can adjust the maximum value of the rotating speed of the motor 105, and the adjusting device is adjusted according to needs to prevent the rotating speed of the motor 105 from being too large to cause danger when the rotating speed needs to be small;
the control board 120 is provided with a hall element sensor matching the magnetic steel 203 and the speed adjusting device 121.
The embodiment provides a multifunctional medical oscillating saw, a gearbox is arranged inside a motor 105, a gearbox 113 connected with a gear set is arranged at the top of the motor 105, the gear set comprises a motor bevel gear 109 connected with the gearbox 113 and a transmission bevel gear 110 connected with a transmission device 106, the motor bevel gear 109 is connected with the transmission bevel gear 110, A-shaped flat keys 114 are arranged on the motor bevel gear 109 and the transmission bevel gear 110, the gearbox and the motor 105 are integrated into a whole, the part output by the high-speed motor 105 can be directly reduced to the rotating speed required by the oscillating saw, the cutting efficiency in use is improved, the volume of the motor 105 can be effectively reduced by the integrated gearbox and the motor 105, the medical oscillating saw is more portable in use, the motor 105 drives the gearbox 113 to rotate when in use, the gearbox 113 drives the motor bevel gear 109 to rotate so as to drive the transmission bevel gear 110 to rotate, the vertical rotating speed is directly converted into the horizontal rotating speed, and the working efficiency in use is improved.
In the multifunctional medical oscillating saw provided by the embodiment, the adopted transmission device 106 comprises a main shaft 115 and a first deep groove ball bearing 116, the first deep groove ball bearing 116 is sleeved at one end of the main shaft 115, a transmission bevel gear 110 is sleeved at one end of the main shaft 115 deviating from the first deep groove ball bearing 116, an eccentric shaft 117 connected with the shifting fork 112 is arranged at one end of the main shaft 115 close to the first deep groove ball bearing 116, and a ball oscillating device 118 is arranged between the eccentric shaft 117 and the shifting fork 112; a shaft sleeve 119 sleeved on the main shaft 115 is arranged between the first deep groove ball bearing 116 and the transmission bevel gear 110, when in use, the transmission bevel gear 110 drives the main shaft 115 to rotate, an eccentric shaft 117 at the output end of the main shaft 115 can change circular motion into reciprocating motion to drive a pendulum ball to move, and the pendulum ball moves to drive the shifting fork 112 to swing in a reciprocating manner, so that the pendulum head 107 is driven to swing.
As shown in fig. 3, in the multifunctional medical pendulum saw provided in this embodiment, one end of the adopted shift fork 112 away from the pendulum ball device 118 is connected to the tool holder 303, two sides of the shift fork 112 are respectively provided with a second deep groove ball bearing 306 and a third deep groove ball bearing 307 which are sleeved on the tool holder 303, the second deep groove ball bearing 306 is arranged on an upper side of the third deep groove ball bearing 307, an upper side of the third deep groove ball bearing 307 is provided with a shift fork washer 308 which is sleeved on the tool holder 303, and a shaft elastic collar 309 and a hole elastic collar 310 which are sleeved on the tool holder 303 are sequentially arranged on a lower side of the third deep groove ball bearing 307; an oil seal 311 is arranged between the tool holder 303 and the swing shell 301; the bottom of connecting rod 305 is equipped with the sliding sleeve 312 of connecting knob 304, and the bottom of sliding sleeve 312 is equipped with locking plate 313, and when using, shifting fork 112 drives knife rest 303 and makes reciprocating swing motion, and the saw blade passes through adjust knob 304 to be fixed between pressure plate 302 and knife rest 303, can drive the saw blade and make swing motion when knife rest 303 makes reciprocating swing motion.
In the multifunctional medical pendulum saw provided by the embodiment, the knob 304 comprises a screw cap 314 and a top block 315 arranged inside the screw cap 314, a steel ball 316 is arranged between the screw cap 314 and the top block 315, and a slide rail 317 for the steel ball 316 to slide is arranged on the screw cap 314;
the bottom of the swing shell 301 is provided with a rotary bracket 318 connected with the screw cap 314, sealing rings 319 are arranged between the rotary bracket 318 and the swing shell 301 and between the rotary bracket 318 and the screw cap 314, the rotary bracket 318 is provided with a pressing sleeve 330 connected with the top block 315, and a rotary spring 331 connected with the screw cap 314 is arranged inside the top block 315; when the saw blade adjusting device is used, the screw cap 314 needs to be adjusted, the steel ball 316 on the screw cap 314 drives the top block 315 to move up and down, the top block 315 can drive the connecting rod 305 to drive the pressure plate 302 to move up and down, the pressure plate 302 is separated from the knife rest 303 by adjusting the screw cap 314, the pressure plate 302 moves downwards after the saw blade is placed in the saw blade, until the pressure plate 302 presses the saw blade on the knife rest 303, the top block 315 can be connected with the connecting rod 305 in real time by the aid of the rotating spring 331 when the saw blade adjusting device is used, and the return effect is achieved.
In the multifunctional medical pendulum saw provided by the embodiment, the adopted rotating device 108 comprises a rotating sleeve 332, and a rotating locking sleeve 333, a rotating fixing sleeve 334, a wave spring 335 and a locking nut 336 which are sequentially arranged, wherein the rotating sleeve 332 is connected to the pendulum shell 301, one end of the rotating sleeve 332, which is far away from the pendulum shell 301, is connected with the rotating locking sleeve 333, one end of the rotating sleeve 332, which is partially inserted into the machine shell 103, is connected with the locking nut 336, and the wave spring 335 is connected with the locking nut 336; the cap 337 is pieced together to the pivot to the junction cover of rotatory lock sleeve 333 and rotatory fixed cover 334, the cap 337 is pieced together in the pendulum is connected in casing 103, rotatory fixed cover 334 is connected in casing 103, draw the pendulum 107 outwards when using, rotatory cover 332 can drive rotatory lock sleeve 333 and lock nut 336 and outwards move, slowly relax the hand when adjusting the pendulum 107 angle and slowly return under the effect of wave spring 335 and be connected rotatory lock sleeve 333 and rotatory fixed cover 334, the function that has the multiple direction and adjust.
In the multifunctional medical oscillating saw provided by the embodiment, the rotary locking sleeve 333, the rotary fixing sleeve 334, the wave spring 335 and the locking nut 336 are all arranged inside the casing 103.
The utility model provides a pair of multi-functional medical pendulum saw is equipped with a plurality of stoppers on the rotatory lock sleeve 333 of adoption, is equipped with the spacing groove that matches the stopper on the rotatory fixed cover 334, realizes the regulation to yaw 107 when connecting the stopper in the spacing groove after through rotatory yaw 107 when using, and the stopper all is equipped with eight with the spacing groove, can realize eight not equidirectional yaw 107 positions, is convenient for cut.
In conclusion, the multifunctional medical oscillating saw can reduce the diameter of the output shaft of the motor by vertically placing the motor in the handle, and effectively solve the contradiction of small volume and large output torque; the oil seal is used as a dynamic sealing structure, an effective sealing structure is added, blood water can be prevented from entering the interior of the oscillating saw body, the interior of the oscillating saw body cannot be polluted, and the service life of the tool can be effectively prolonged; simple structure, reduced weight of moving parts, reduced reactive loss, reduced working current, and prolonged service life.
Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.

Claims (9)

1. A multifunctional medical oscillating saw comprises an oscillating saw body and is used for being connected with a saw blade to cut bone tissues in a medical operation, and the multifunctional medical oscillating saw is characterized in that the oscillating saw body comprises a control device, a shell, a handle, a motor, a transmission device and an oscillating head, wherein a rotating device connected with the oscillating head is arranged at one end of the shell, the shell is fixedly connected to the top of the handle, the control device is connected to one side of the handle, the transmission device is arranged in the shell, the motor is arranged in the handle, a gear set connected with the transmission device is arranged at the top of the motor, the bottom of the motor is connected to the handle through a motor fixing piece, the motor is electrically connected to the control device, and a shifting fork connected with the oscillating head is arranged at one end, away from the gear set, of the transmission device;
the swinging head comprises a swinging shell, a pressure plate, a knife rest and a knob, the swinging shell is connected to the rotating device, the knob is arranged at the bottom of the swinging shell, the knife rest is arranged at the top of the swinging shell, part of the bottom of the knife rest extends into the swinging shell, the knife rest is connected to the shifting fork, the pressure plate is arranged at the top of the knife rest, a connecting rod penetrating through the knife rest and connected to the knob is arranged at the bottom of the pressure plate, and a return spring is sleeved outside the connecting rod;
the control device is connected with the motor in a control mode;
the knob comprises a rotating cap and a top block arranged in the rotating cap, a steel ball is arranged between the rotating cap and the top block, and a sliding rail for the steel ball to slide is arranged on the rotating cap;
the bottom of pendulum shell is equipped with the connection the runing rest of cap soon, be equipped with on the runing rest and connect the pressure cover of kicking block, the inside of kicking block is equipped with the connection the rotating spring who revolves the cap.
2. The multifunctional medical oscillating saw as claimed in claim 1, wherein the control device comprises a controller, a control board and a speed regulating device, the controller and the speed regulating device are respectively in control connection with the control board, and the control board is in control connection with the motor;
the controller comprises a control button, and a magnetic steel and a button spring which are arranged in the control button, wherein the magnetic steel is arranged on the upper side of the button spring, and a button seat connected with the handle is arranged on the control button;
and a Hall element sensor matched with the magnetic steel and the speed regulating device is arranged on the control panel.
3. The multifunctional medical pendulum saw of claim 2, wherein a gear box is disposed inside the motor, a gear box connected to the gear set is disposed on the top of the motor, the gear set comprises a motor bevel gear connected to the gear box and a transmission bevel gear connected to the transmission device, the motor bevel gear is connected to the transmission bevel gear, and both the motor bevel gear and the transmission bevel gear are provided with a flat key of type a.
4. The multifunctional medical oscillating saw as claimed in claim 3, wherein the transmission device comprises a main shaft and a first deep groove ball bearing, the first deep groove ball bearing is sleeved on one end of the main shaft, the transmission bevel gear is sleeved on one end of the main shaft away from the first deep groove ball bearing, an eccentric shaft connected with the shift fork is arranged at one end of the main shaft close to the first deep groove ball bearing, and a ball oscillating device is arranged between the eccentric shaft and the shift fork;
and a shaft sleeve sleeved on the main shaft is arranged between the first deep groove ball bearing and the transmission bevel gear.
5. The multifunctional medical pendulum saw of claim 4, wherein one end of the shift fork away from the pendulum ball device is connected to the tool rest, two sides of the shift fork are respectively provided with a second deep groove ball bearing and a third deep groove ball bearing which are sleeved on the tool rest, the second deep groove ball bearing is arranged on the upper side of the third deep groove ball bearing, the upper side of the third deep groove ball bearing is provided with a shift fork gasket which is sleeved on the tool rest, and the lower side of the third deep groove ball bearing is sequentially provided with a shaft elastic check ring and a hole elastic check ring which are sleeved on the tool rest;
an oil seal is arranged between the tool rest and the swing shell;
the bottom of connecting rod is equipped with the connection the sliding sleeve of knob, the bottom of sliding sleeve is equipped with the locking plate.
6. The multifunctional medical oscillating saw as claimed in claim 5, wherein sealing rings are provided between the rotary support and the oscillating shell and between the rotary support and the rotary cap.
7. The multifunctional medical pendulum saw of claim 6, wherein the rotation device comprises a rotation sleeve, and a rotation locking sleeve, a rotation fixing sleeve, a wave spring and a locking nut which are sequentially arranged, wherein the rotation sleeve is connected to the pendulum housing, one end of the rotation sleeve, which is far away from the pendulum housing, is connected with the rotation locking sleeve, one end of the rotation sleeve, which is partially inserted into the housing, is connected with the locking nut, and the wave spring is connected with the locking nut;
the joint of the rotary locking sleeve and the rotary fixing sleeve is sleeved with a head-swinging splicing cap which is connected with the casing, and the rotary fixing sleeve is connected with the casing.
8. The multifunctional medical pendulum saw of claim 7 wherein said rotating locking sleeve, said rotating retaining sleeve, said wave spring and said locking nut are disposed within said housing.
9. The multifunctional medical pendulum saw of claim 8, wherein a plurality of stoppers are disposed on the rotating locking sleeve, and a stopper groove matching the stoppers is disposed on the rotating fixing sleeve; when the swing head adjusting device is used, the limiting blocks are connected to the limiting grooves through the rotary swing head, the swing heads are adjusted, the limiting blocks and the limiting grooves are eight, and swing positions in eight different directions can be achieved.
CN201711385936.0A 2017-12-20 2017-12-20 Multifunctional medical swing saw Active CN109938797B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN109938797A CN109938797A (en) 2019-06-28
CN109938797B true CN109938797B (en) 2022-03-04

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110368058B (en) * 2019-07-25 2021-09-24 徐州市妇幼保健院 Medical saw disc mechanism and using method thereof
CN110974343A (en) * 2019-12-31 2020-04-10 苏州众泽医疗科技有限公司 Host machine whole of reciprocating medullary cavity file
CN112315538A (en) * 2020-10-05 2021-02-05 德清创赢机械科技有限公司 Small medical bone saw
CN112206033B (en) * 2020-10-31 2024-07-19 苏州爱科硕科技有限公司 Medical electric swing saw for orthopedics department

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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
EP1882538A2 (en) * 2006-07-28 2008-01-30 DePuy Products, Inc. Orthopaedic bone saw and bone drill adapters
CN101121284A (en) * 2006-08-11 2008-02-13 上海锐奇工具有限公司 Corner saw
CN104644237A (en) * 2015-01-30 2015-05-27 芜湖锐进医疗设备有限公司 Saw blade fixing device for medical electric swing saw

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2397895Y (en) * 1999-11-04 2000-09-27 申屠升权 Electric hysterectomy forceps
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
EP1882538A2 (en) * 2006-07-28 2008-01-30 DePuy Products, Inc. Orthopaedic bone saw and bone drill adapters
CN101121284A (en) * 2006-08-11 2008-02-13 上海锐奇工具有限公司 Corner saw
CN104644237A (en) * 2015-01-30 2015-05-27 芜湖锐进医疗设备有限公司 Saw blade fixing device for medical electric swing saw

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Denomination of invention: A multifunctional medical swing saw

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