Orthopedic saw for gypsum cutting

Abstract

The utility model relates to the technical field of medical orthopedic gypsum saws, and discloses an orthopedic saw for gypsum cutting, which comprises a cutting component for cutting gypsum, and a high-frequency reciprocating rotating mechanism for driving the cutting component to perform high-frequency reciprocating rotation is arranged on one side of the cutting component. A control fixing mechanism used for controlling starting and reciprocating rotation frequency of the high-frequency reciprocating rotation mechanism is arranged on one side of the high-frequency reciprocating rotation mechanism, and a protection assembly used for preventing gypsum powder from flying is arranged on the other side of the high-frequency reciprocating rotation mechanism. Efficient and safe gypsum cutting is achieved, the protection assembly effectively prevents gypsum powder from flying, cleanliness of an operating room is maintained, the jacking assembly responds rapidly, the contact time of a saw blade and the skin of a patient is greatly shortened, the discomfort of the patient is eliminated, and the overall quality of an operation and the satisfaction degree of the patient are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical orthopedics gypsum saw technical field, specifically, relate to a kind of orthopedics saw for gypsum cutting. BACKGROUND

[0002] Orthopedics saw for gypsum cutting is a kind of medical instrument commonly used in orthopedic surgery, mainly used for cutting and removing the gypsum fixing on the patient, the design of this saw considers the difference between human skin and plaster bandage, to ensure that the skin is not damaged when cutting gypsum, the working principle of gypsum saw is usually high-frequency reciprocating rotation for high-speed movement, to realize the fast and accurate cutting of gypsum material, the saw blade of gypsum saw will leave cut mark when contacting plaster bandage, thereby cutting it off, and due to its special movement mode, when the saw blade contacts the skin, it will not cause harm.

[0003] In the prior art, the traditional orthopedics saw for gypsum cutting is mainly manually operated by a doctor, after completing gypsum cutting, the doctor needs to manually remove the saw from the patient, however, in this process, the doctor often takes the saw at a relatively slow speed, which can cause the saw blade to contact the patient's skin when withdrawing, although the saw blade is designed with a protection mechanism, which will not cause cutting injury when contacting the skin for a short time, but the high-speed reciprocating rotation and friction of the saw blade can still cause discomfort to the patient, such as slight burning or irritation, which not only increases the psychological burden of the patient, but also can affect the overall experience of the operation, therefore, the technical personnel in this field provide an orthopedics saw for gypsum cutting to solve the problems raised in the background art. UTILITARIAN CONTENT

[0004] The utility model aims at providing an orthopedics saw for gypsum cutting, to solve the problem that the traditional orthopedics saw for gypsum cutting in the prior art is mainly manually operated by a doctor, after completing gypsum cutting, the doctor needs to manually remove the saw from the patient, however, in this process, the doctor often takes the saw at a relatively slow speed, which can cause the saw blade to contact the patient's skin when withdrawing, although the saw blade is designed with a protection mechanism, which will not cause cutting injury when contacting the skin for a short time, but the high-speed reciprocating rotation and friction of the saw blade can still cause discomfort to the patient, such as slight burning or irritation, which not only increases the psychological burden of the patient, but also can affect the overall experience of the operation.

[0005] The utility model provides following technical scheme: A kind of orthopedics saw for gypsum cutting, including cutting component for cutting gypsum, the cutting component one side is provided with the high frequency reciprocating rotation mechanism for driving cutting component high frequency reciprocating rotation, the high frequency reciprocating rotation mechanism one side is provided with the control fixed mechanism for controlling high frequency reciprocating rotation mechanism start and reciprocating rotation frequency, the one side is provided with the protection component for preventing gypsum powder flying, the protection component both sides are provided with the jacking assembly for after gypsum is cut, high frequency reciprocating rotation mechanism and cutting component are quickly jacked up.

[0006] As the preferred of above technical scheme, the high frequency reciprocating rotation mechanism includes high frequency reciprocating rotation module body, the high frequency reciprocating rotation module body high frequency reciprocating rotation output section fixedly connected with the rotation seat, the rotation seat is fixedly connected with a plurality of bolts in annular arrangement at the edge of the side away from the high frequency reciprocating rotation module body, a plurality of the bolt outside is all screw threadedly connected with nut.

[0007] As the preferred of above technical scheme, the control fixed mechanism includes support sleeve, the support sleeve is fixedly connected at the side of high frequency reciprocating rotation module body near rotation input end, the support sleeve is fixedly connected with handle at the side away from high frequency reciprocating rotation module body, the support sleeve is provided with mounting groove at the center of the inside near upper, the mounting groove lower inner wall is fixedly connected with positioning column at four diagonal places, the support sleeve is fixedly sleeved with drive motor, and the rotation output end of drive motor is fixedly connected with the rotation input end of high frequency reciprocating rotation module body.

[0008] As the preferred of above technical scheme, the control mainboard is provided on the upper end of four positioning columns, the screw is rotatably sleeved in the control mainboard at four diagonal places, and the assembly end of four screws at lower place is respectively screw threadedly connected in four positioning columns.

[0009] As the preferred of above technical scheme, the protection component includes protective cover, and the protective cover is installed at the edge of high frequency reciprocating rotation module body near high frequency reciprocating rotation output section by fastener, and the ear piece is fixedly connected on the both sides of protective cover.

[0010] As the preferred technical scheme of the above, the jacking assembly comprises a fixed tube, the fixed tube is fixedly sleeved at the inner center of the ear piece, the lower end and the upper end of the fixed tube are fixedly connected with a lower mounting ring and an upper mounting ring respectively, a limiting ring is slidably sleeved in the fixed tube, the bottom end of the limiting ring is in abutment with the top end of the lower mounting ring, a jacking rod is fixedly sleeved at the inner center of the limiting ring, and the jacking rod is slidably sleeved at the inner center of the lower mounting ring and the upper mounting ring.

[0011] As the preferred technical scheme of the above, the jacking rod is sleeved with a jacking spring outside, the lower end of the jacking spring is in abutment with the top end of the limiting ring, the top end of the jacking spring is in abutment with the bottom end of the upper mounting ring, the top end of the jacking rod is fixedly connected with a limiting piece, the bottom end of the limiting piece is in contact with the top end of the upper mounting ring, a female threaded sleeve is threadedly sleeved on the lower part of the jacking rod outside, the female threaded sleeve and the jacking rod are detachably connected, the lower end of the female threaded sleeve is fixedly connected with a connecting piece, the lower end center of the connecting piece is fixedly connected with a supporting piece on both sides, and the inner part of the two supporting pieces is rotatably sleeved with a pulley for being attached to the surface of the gypsum.

[0012] As the preferred technical scheme of the above, the cutting assembly comprises a cutting saw blade, the cutting saw blade is attached to one side of the rotating seat away from the high-frequency reciprocating rotation module body high-frequency reciprocating rotation output end, a plurality of mounting holes are penetratingly arranged at the inner center of the cutting saw blade, a plurality of the mounting holes are sleeved with a plurality of bolts outside respectively, and the cutting saw blade and the rotating seat are detachably connected.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The cutting assembly of the gypsum cutting orthopedic saw is responsible for directly cutting the gypsum. The cutting edge is driven by the high-frequency reciprocating rotating mechanism to realize high-frequency and rapid cutting action, ensuring that the gypsum is quickly and accurately cut off. The high-frequency reciprocating rotating mechanism is driven by the driving motor inside the control fixing mechanism to produce high-frequency reciprocating rotation, providing power for the cutting assembly. The control fixing mechanism is used to drive, adjust and control the start and rotation frequency of the high-frequency reciprocating rotating mechanism to ensure the stability and safety of the cutting process. The protection assembly is arranged around the cutting assembly to form a barrier, effectively blocking the flying gypsum powder generated during the cutting process, reducing the pollution of the operating room, and protecting the safety of medical staff and patients. The jacking assembly is located on both sides of the protection assembly. When the gypsum cutting is completed, the medical staff stops pressing the high-frequency reciprocating rotating mechanism and the control fixing mechanism. At this time, the jacking assembly will lift the high-frequency reciprocating rotating mechanism and the cutting assembly as a whole, so as to quickly separate from the patient's skin, avoiding long-term contact between the saw blade and the skin, thereby eliminating the friction and burning sensation and improving the comfort of the patient. The gypsum cutting orthopedic saw realizes efficient and safe gypsum cutting through the precise cooperation of the high-frequency reciprocating rotating mechanism and the control fixing mechanism. The protection assembly effectively blocks the flying of gypsum powder, maintains the cleanliness of the operating room, and the quick response of the jacking assembly greatly reduces the contact time between the saw blade and the patient's skin, eliminates the discomfort of the patient, and improves the overall quality of the operation and the patient's satisfaction. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic diagram of a gypsum cutting orthopedic saw;

[0016] Figure 2 It is a perspective structural schematic diagram of another view of a gypsum cutting orthopedic saw;

[0017] Figure 3 It is a perspective structural schematic diagram of a gypsum cutting orthopedic saw;

[0018] Figure 4 It is a perspective structural schematic diagram of a gypsum cutting orthopedic saw control fixing mechanism;

[0019] Figure 5 It is a perspective structural schematic diagram of a gypsum cutting orthopedic saw protection assembly;

[0020] Figure 6 It is a perspective structural schematic diagram of a gypsum cutting orthopedic saw jacking assembly.

[0021] Legend:

[0022] 1, High frequency reciprocating rotation mechanism; 101, High frequency reciprocating rotation module body; 102, Turn seat; 103, Bolt; 104, Nut; 2, Control fixed mechanism; 201, Support sleeve; 202, Handle; 203, Installation groove; 204, Positioning column; 205, Drive motor; 206, Control mainboard; 207, Screw; 208, Protection cover; 209, Control switch; 2010, Variable speed knob; 2011, Battery; 3, Protection assembly; 301, Protection cover; 302, Ear piece; 4, Jacking assembly; 401, Fixed pipe; 402, Lower installation ring; 403, Upper installation ring; 404, Limiting ring; 405, Jacking rod; 406, Jacking spring; 407, Limiting sheet; 408, Internal thread sleeve; 409, Connecting sheet; 4010, Support sheet; 4011, Pulley; 5, Cutting assembly; 501, Cutting saw blade; 502, Installation hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0024] Please refer to Figures 1-3The utility model provides a technical scheme: a gypsum cutting orthopedics saw, including cutting assembly 5 for cutting gypsum, cutting assembly 5 one side is provided with the high frequency reciprocating rotation mechanism 1 for driving cutting assembly 5 high frequency reciprocating rotation, high frequency reciprocating rotation mechanism 1 one side is provided with the control fixed mechanism 2 for controlling high frequency reciprocating rotation mechanism 1 start and reciprocating rotation frequency, one side is provided with the protection assembly 3 for preventing gypsum powder flying, protection assembly 3 both sides are provided with the jacking assembly 4 for after cutting gypsum is completed cutting assembly 5 and high frequency reciprocating rotation mechanism 1 fast jacking up, cutting assembly 5 is responsible for cutting gypsum directly, and its blade edge is driven under high frequency reciprocating rotation mechanism 1, realizes high frequency fast cutting action, ensures that gypsum is rapidly and accurately cut, and high frequency reciprocating rotation mechanism 1 is driven through the drive motor 205 inside control fixed mechanism 2, thereby produces high frequency reciprocating rotation, provides power for cutting assembly 5, and control fixed mechanism 2 is used for driving, adjusting and controlling high frequency reciprocating rotation mechanism 1 start and rotation frequency, ensures the stability and safety of cutting process, protection assembly 3 is arranged around cutting assembly 5, forms a barrier, effectively blocks the flying of gypsum powder produced in the cutting process, reduces the pollution of operating room, protects the safety of medical staff and patient simultaneously, jacking assembly 4 is located at protection assembly 3 both sides, when gypsum cutting is completed, medical staff stops the depression of high frequency reciprocating rotation mechanism 1 and control fixed mechanism 2, at this time, jacking assembly 4 will cut up high frequency reciprocating rotation mechanism 1 and cutting assembly 5 as a whole, thereby fastly separates patient skin, avoids the long time contact of saw blade and skin, thereby eliminates the friction burning sensation, improves patient's comfort, and the gypsum cutting orthopedics saw of the utility model realizes efficient, safe gypsum cutting through the accurate cooperation of high frequency reciprocating rotation mechanism 1 and control fixed mechanism 2, protection assembly 3 effectively blocks the flying of gypsum powder, maintains the cleanness of operating room, and the fast response of jacking assembly 4 greatly reduces the contact time of saw blade and patient skin, eliminates the discomfort of patient, improves the overall quality of operation and patient satisfaction.

[0025] As an embodiment in the present embodiment, please refer to Figure 3As shown, the high-frequency reciprocating rotating mechanism 1 comprises a high-frequency reciprocating rotating module body 101, the high-frequency reciprocating rotating module body 101 is fixedly connected with a rotating seat 102, a plurality of bolts 103 are fixedly connected in an annular arrangement at the edge away from the center of the side of the high-frequency reciprocating rotating module body 101, and the outer side of each bolt 103 is threadedly sleeved with a nut 104. The high-frequency reciprocating rotating mechanism 1 generates high-frequency reciprocating rotation through the high-frequency reciprocating rotating module body 101 inside it. This power is transmitted to the cutting assembly 5 through the rotating seat 102, so as to realize the high-speed reciprocating cutting action of the cutting saw blade 501. The combination of the bolt 103 and the nut 104 ensures the stable connection between the rotating seat 102 and the cutting saw blade 501. The high-frequency reciprocating rotating module body 101 is a prior art, and will not be described in detail here. The high-frequency reciprocating cutting action greatly improves the cutting efficiency, ensures the rapid and accurate cutting of the gypsum, and at the same time, the stable connection mode ensures the stability and safety during the cutting process.

[0026] As an embodiment in the present embodiment, please refer to Figure 4As shown, the control fixed mechanism 2 comprises a support sleeve 201 fixedly connected at the high-frequency reciprocating rotary module body 101 on the side of the rotary input end, a handle 202 fixedly connected at the side away from the high-frequency reciprocating rotary module body 101 of the support sleeve 201, an installation groove 203 opened at the inner center of the support sleeve 201, four positioning columns 204 fixedly connected at the lower inner wall of the installation groove 203 at four diagonal positions, a drive motor 205 fixedly sleeved in the support sleeve 201, the rotary output end of the drive motor 205 fixedly connected with the rotary input end of the high-frequency reciprocating rotary module body 101, a control mainboard 206 provided at the upper end of the four positioning columns 204, four screws 207 rotatably sleeved at four diagonal positions in the control mainboard 206, the assembly end of the lower part of the four screws 207 threadedly sleeved in the four positioning columns 204, a protective cover 208 fixedly sleeved at the inner center of the installation groove 203, a control switch 209 and a speed knob 2010 fixedly connected at the upper end center of the protective cover 208 at two sides, respectively, the control switch 209 and the speed knob 2010 electrically connected with the control mainboard 206, a storage battery 2011 sleeved at the inner center of the handle 202 away from the support sleeve 201, the storage battery 2011 detachably connected with the handle 202, the storage battery 2011 and the control mainboard 206 in contact type electrical connection, the control fixed mechanism 2 provides power for the high-frequency reciprocating rotary module body 101 through the drive motor 205 in the support sleeve 201, the control mainboard 206 is responsible for receiving signals from the control switch 209 and the speed knob 2010, adjusting the start and rotation frequency of the drive motor 205, the storage battery 2011 as a power supply, in contact type electrical connection with the control mainboard 206, ensuring the portability and continuous working ability of the equipment, the control fixed mechanism 2 realizes accurate control of the high-frequency reciprocating rotary mechanism 1, ensuring the stability and safety of the cutting process, at the same time, the introduction of the storage battery 2011 improves the portability and flexibility of the equipment.

[0027] As an embodiment of the present embodiment, please refer to Figure 5 As shown, the protection assembly 3 comprises a protective cover 301 mounted on the side edge of the high-frequency reciprocating rotary module body 101 near the high-frequency reciprocating rotary output section through fasteners, and ear pieces 302 fixedly connected at both sides of the protective cover 301, the protection assembly 3 is arranged around the cutting assembly 5 through the protective cover 301, forming a barrier, which effectively blocks the flying of plaster powder during the cutting process, reducing the pollution of the operating room, the setting of the protection assembly 3 greatly reduces the pollution of the operating room, protects the safety of medical staff and patients, and also improves the overall quality of the operation and patient satisfaction.

[0028] As an embodiment of the present embodiment, please refer to Figure 6As shown, the jacking assembly 4 comprises a fixed tube 401 fixedly sleeved at the inner center of the ear 302, the lower and upper ends of the fixed tube 401 are fixedly connected with a lower mounting ring 402 and an upper mounting ring 403 respectively, a limiting ring 404 is slidably sleeved in the fixed tube 401, the bottom end of the limiting ring 404 abuts against the top end of the lower mounting ring 402, a jack 405 is fixedly sleeved at the inner center of the limiting ring 404, the jack 405 is slidably sleeved at the inner center of the lower mounting ring 402 and the upper mounting ring 403, a jacking spring 406 is sleeved outside the jack 405, the lower end of the jacking spring 406 abuts against the top end of the limiting ring 404, the top end of the jacking spring 406 abuts against the bottom end of the upper mounting ring 403, the top end of the jack 405 is fixedly connected with a limiting sheet 407, the bottom end of the limiting sheet 407 abuts against the top end of the upper mounting ring 403, a internally threaded sleeve 408 is threadedly sleeved outside the lower part of the jack 405, the internally threaded sleeve 408 is detachably connected with the jack 405, the lower end of the internally threaded sleeve 408 is fixedly connected with a connecting sheet 409, the lower end of the connecting sheet 409 is fixedly connected with a supporting sheet 4010 at both sides of the center, two supporting sheets 4010 are rotatably sleeved with pulleys 4011 used for abutting against the surface of the plaster, the jacking assembly 4 realizes the function of rapid jacking through the limiting ring 404 and the jack 405 in the fixed tube 401, after the cutting of the plaster is completed, the medical staff stops pressing the device, at this time the elastic force of the jacking spring 406 presses the limiting ring 404 and the jack 405 as a whole, so that the high-frequency reciprocating rotating mechanism 1, the control fixing mechanism 2, the protection assembly 3 and the cutting assembly 5 rapidly separate from the skin of the patient, the setting of the pulley 4011 ensures the stability and smoothness in the jacking process, the rapid response of the jacking assembly 4 greatly reduces the contact time of the saw blade with the skin of the patient, and eliminates the discomfort of the patient, at the same time, the setting of the pulley 4011 also improves the stability and safety of the jacking process.

[0029] As an embodiment in the present embodiment, please refer to Figure 3 As shown, the cutting assembly 5 comprises a cutting saw blade 501, the cutting saw blade 501 is abutted on one side of the rotating seat 102 away from the high-frequency reciprocating rotating module body 101 high-frequency reciprocating rotating output end, and a plurality of mounting holes 502 are penetratingly arranged at the inner center of the cutting saw blade 501, the plurality of mounting holes 502 are sleeved outside the plurality of bolts 103 respectively, the cutting saw blade 501 is detachably connected with the rotating seat 102, the cutting assembly 5 cuts the plaster through the cutting saw blade 501, the cutting saw blade 501 is sleeved outside the bolt 103 through the mounting hole 502, and is detachably connected with the rotating seat 102, this connection mode is convenient for replacing cutting saw blades 501 of different specifications or wear, the detachable connection mode of the cutting assembly 5 improves the flexibility and maintainability of the device, at the same time, the sharp cutting saw blade 501 ensures the rapid and accurate cutting of the plaster, and improves the operation efficiency.

[0030] Working principle: the high-frequency reciprocating rotating mechanism 1 generates high-frequency reciprocating rotation through the high-frequency reciprocating rotating module body 101 inside it, and this power is transmitted to the cutting assembly 5 through the rotating seat 102 to realize the high-speed reciprocating cutting action of the cutting saw blade 501. The combination of the bolt 103 and the nut 104 ensures the stable connection between the rotating seat 102 and the cutting saw blade 501. The high-frequency reciprocating rotating module body 101 is a prior art and will not be described in detail here. The control fixing mechanism 2 provides power for the high-frequency reciprocating rotating module body 101 through the drive motor 205 inside the support sleeve 201, and the control mainboard 206 is responsible for receiving signals from the control switch 209 and the speed knob 2010, adjusting the start and rotation frequency of the drive motor 205. The battery 2011 serves as a power source and is in contact with the control mainboard 206 to ensure the portability and continuous working ability of the device. The protection assembly 3 is arranged around the cutting assembly 5 by the protection cover 301 to form a barrier, which effectively blocks the flying of plaster powder during cutting and reduces the pollution of the operating room. The jacking assembly 4 realizes the quick jacking function through the limiting ring 404 and the jacking rod 405 inside the fixed pipe 401. After the plaster cutting is completed, the medical staff stops pressing the device. At this time, the elastic force of the jacking spring 406 will press the limiting ring 404 and the jacking rod 405 as a whole, so that the high-frequency reciprocating rotating mechanism 1, the control fixing mechanism 2, the protection assembly 3 and the cutting assembly 5 quickly separate from the patient's skin. The setting of the pulley 4011 ensures the stability and smoothness during jacking. The cutting assembly 5 cuts the plaster through the cutting saw blade 501. The cutting saw blade 501 is sleeved outside the bolt 103 through the mounting hole 502 and is detachably connected with the rotating seat 102. This connection method is convenient for replacing cutting saw blades 501 of different specifications or wear.

[0031] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them.

Claims

1. An orthopaedic saw for cutting plaster, comprising a cutting assembly (5) for cutting plaster, characterized in that: One side of the cutting assembly (5) is provided with a high-frequency reciprocating rotation mechanism (1) for driving the cutting assembly (5) to high-frequency reciprocating rotation, one side of the high-frequency reciprocating rotation mechanism (1) is provided with a control fixed mechanism (2) for controlling the start and reciprocating rotation frequency of the high-frequency reciprocating rotation mechanism (1), and the side is provided with a protection assembly (3) for preventing the flying of gypsum powder, and both sides of the protection assembly (3) are provided with a jacking assembly (4) for quickly jacking the high-frequency reciprocating rotation mechanism (1) and the cutting assembly (5) after the gypsum is cut.

2. An orthopedic saw for cutting gypsum according to claim 1, characterized in that: The high-frequency reciprocating rotation mechanism (1) comprises a high-frequency reciprocating rotation module body (101), and the high-frequency reciprocating rotation module body (101) is fixedly connected with a rotating seat (102) at the high-frequency reciprocating rotation output section.

3. An orthopedic saw for cutting gypsum according to claim 2, characterized in that: The control fixed mechanism (2) comprises a supporting sleeve (201), and the supporting sleeve (201) is fixedly connected to the high-frequency reciprocating rotation module body (101) at the side close to the rotating input end; a handle (202) is fixedly connected to the side away from the high-frequency reciprocating rotation module body (101) of the supporting sleeve (201); an installation groove (203) is formed in the inner center of the supporting sleeve (201) close to the upper part; four positioning columns (204) are fixedly connected to the lower inner wall of the installation groove (203) at four diagonal positions; a driving motor (205) is fixedly sleeved in the supporting sleeve (201); and the rotating output end of the driving motor (205) is fixedly connected with the rotating input end of the high-frequency reciprocating rotation module body (101).

4. An orthopaedic saw for cutting plaster according to claim 3, characterized in that: A control mainboard (206) is arranged at the upper end of the four positioning columns (204), screw rods (207) are rotatably sleeved in the four positioning columns (204) at four diagonal positions in the control mainboard (206), the assembly ends of the four screw rods (207) at the lower parts are threadedly sleeved in the four positioning columns (204), a protection cover (208) is fixedly sleeved in the inner center of the installation groove (203) close to the upper part, control switches (209) and variable-speed knobs (2010) are fixedly connected to the upper end center of the protection cover (208) at two sides, respectively, the control switches (209) and the variable-speed knobs (2010) are electrically connected with the control mainboard (206), a storage battery (2011) is sleeved in the inner center of the handle (202) away from the supporting sleeve (201) at one end, the storage battery (2011) is detachably connected with the handle (202), and the storage battery (2011) is in contact type electrical connection with the control mainboard (206).

5. The orthopedic saw for cutting gypsum according to claim 2, characterized in that: The protection assembly (3) comprises a protection cover (301), which is mounted on the high-frequency reciprocating rotation module body (101) close to the high-frequency reciprocating rotation output section through fasteners, and ear plates (302) are fixedly connected to the two sides of the protection cover (301).

6. An orthopaedic saw for cutting plaster according to claim 5, characterized in that: The jacking assembly (4) comprises a fixed pipe (401) fixedly sleeved at the inner center of the ear piece (302), the lower end and the upper end of the fixed pipe (401) are fixedly connected with a lower mounting ring (402) and an upper mounting ring (403) respectively, a limiting ring (404) is slidably sleeved in the fixed pipe (401), the bottom end of the limiting ring (404) and the top end of the lower mounting ring (402) abut each other, a jacking rod (405) is fixedly sleeved at the inner center of the limiting ring (404), and the jacking rod (405) is slidably sleeved at the inner center of the lower mounting ring (402) and the upper mounting ring (403).

7. A bone saw for cutting gypsum according to claim 6, characterized in that: The jacking rod (405) is sleeved with a jacking spring (406) on the outer side, the lower end of the jacking spring (406) and the top end of the limiting ring (404) abut each other, the top end of the jacking spring (406) and the bottom end of the upper mounting ring (403) abut each other, the top end of the jacking rod (405) is fixedly connected with a limiting piece (407), the bottom end of the limiting piece (407) and the top end of the upper mounting ring (403) abut each other, a female threaded sleeve (408) is threadedly sleeved on the lower part of the outer side of the jacking rod (405), the female threaded sleeve (408) and the jacking rod (405) are detachably connected, the lower end of the female threaded sleeve (408) is fixedly connected with a connecting piece (409), the lower end of the connecting piece (409) is fixedly connected with a supporting piece (4010) on both sides of the center, and the inner sides of the two supporting pieces (4010) are rotatably sleeved with a pulley (4011) used for abutting the surface of the gypsum.

8. The orthopedic saw for gypsum cutting according to claim 2, characterized in that: The cutting assembly (5) comprises a cutting saw blade (501), the cutting saw blade (501) is abutted on the side of the rotating seat (102) away from the high-frequency reciprocating rotary output end of the high-frequency reciprocating rotary module body (101), a plurality of mounting holes (502) are penetratingly arranged at the inner center of the cutting saw blade (501), a plurality of the mounting holes (502) are sleeved on the outer sides of a plurality of bolts (103), and the cutting saw blade (501) and the rotating seat (102) are detachably connected.

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