CN113648170A

CN113648170A - Auxiliary fixing medical bed for orthopedic operation

Info

Publication number: CN113648170A
Application number: CN202111042514.XA
Authority: CN
Inventors: 李伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-11-16

Abstract

An auxiliary fixing medical bed for orthopedic operation comprises a bed body folding mechanism, a limb fixing mechanism, a bed frame supporting mechanism and a leg folding plate; the two sides of the bed body folding mechanism are provided with sliding groove plates, and the limb fixing mechanism is installed in a sliding way; the bed body folding mechanism is fixedly arranged on the mounting plate of the bed frame supporting mechanism; the leg folding plate shaft is rotatably arranged in a leg mounting groove of the bed body folding mechanism; according to the invention, the rotary base supporting square column is connected with the fixing buckle in an adsorption manner, the limb fixing mechanism is controlled to be respectively and slidably mounted in the chute at the bottom end of the chute plate or the bed body supporting plate, so that the arm or the leg of a patient is fixed, the situations of inconvenience in movement and incapability of fixing during operation are reduced, meanwhile, the length of the binding belt is adjusted by using the rotary binding belt adjusting button to be suitable for different patients and different degrees of fixation, the adjusted binding belt is fixed by using the binding belt clamping mechanism, the looseness is prevented, and the treatment and better treatment experience of the patient are facilitated for doctors.

Description

Auxiliary fixing medical bed for orthopedic operation

Technical Field

The invention relates to the technical field of medical instruments, in particular to an auxiliary medical bed for orthopedic operations.

Background

Orthopedics is a common department of various hospitals, the limbs of a patient need to be fixed in advance during surgery in general conditions, and currently, most of surgical auxiliary devices used at present are single in function, complex in operation and low in utilization rate, so that the work progress of medical staff is slow, and the patient can not obtain a good treatment experience, so that the work efficiency of doctors is hindered, for example, Chinese invention with patent application number of 202010674428. This multi-functional orthopedics clinical operation auxiliary device, including first main part, second main part, backup pad, the equal fixedly connected with baffle in inside of first main part and second main part, the interior bottom of first main part and second main part all fixedly connected with air pump, air pump output end fixedly connected with intercommunication piece, first main part and second main part and fixedly connected with sucking disc are run through to the bottom of intercommunication piece, the last fixed surface of baffle is connected with telescopic cylinder, telescopic cylinder's expansion end fixedly connected with activity straight-bar. Through the design to the device is multi-functional for the device is more convenient when using, and can adapt to various condition, consequently, can be favorable to going on of medical staff's work, more is favorable to the patient to receive good treatment. Said invention is convenient for regulation, and can automatically advance drilling hole, and its drilling depth can be preset and drilling position can be preset.

However, the above invention cannot fix and adjust the legs or the limbs of the patient, and cannot adjust the height and angle of the head or the legs of the hospital bed.

Disclosure of Invention

Aiming at the problems, the invention provides an orthopedic four-limb electric rotation fixing device, which is convenient for treatment and operation by controlling gears through stretching a lifting rocker and rotating the lifting rocker to adjust the height of the head or the leg of a bed body supporting plate, and simultaneously utilizes a chute plate to slide a limb fixing mechanism to a proper position, stretches a length adjusting rod and performs rotary fixing, a stretching binding belt is inserted into a slot at the top end of a limb fixing frame A for fixing, the tightness of the rotary binding belt is adjusted, when operation or medicine changing is needed, a hydraulic rod for controlling the limb fixing frame A and a base of the limb fixing device controls the height and the angle of the limb fixing mechanism, and the operation, the treatment, the cleaning and the medicine feeding are convenient.

The technical scheme adopted by the invention is as follows: an auxiliary fixing medical bed for orthopedic operation comprises a bed body folding mechanism, a limb fixing mechanism, a bed frame supporting mechanism and a leg folding plate; the two sides of the bed body folding mechanism are provided with sliding groove plates, and the limb fixing mechanism is installed in a sliding way; the bed body folding mechanism is fixedly arranged on the mounting plate of the bed frame supporting mechanism; the leg folding plate shaft is rotatably arranged in a leg mounting groove of the bed body folding mechanism; the limb fixing mechanism comprises: the device comprises a limb fixing frame A, a limb fixing device base, a base supporting square column, a length adjusting rod, a binding belt adjusting button, a binding belt clamping mechanism, a binding belt, a rack B, a fixing buckle, a binding belt winding wheel, a binding belt clamping groove, a ratchet wheel, an adjusting wheel, a torsion spring, a clamping tooth, a connecting disc, a pawl column, a spring and a limb fixing frame B; the rack B is arranged at the bottom end of the limb fixing frame A; the limb fixing frame B is slidably arranged on the rack B; a connecting rod at the rear end of the adjusting wheel is provided with a latch, and the latch is meshed with the rack B; the torsional spring is sleeved on the connecting rod at the rear end of the adjusting wheel; the adjusting wheel, the torsion spring and the latch are rotatably arranged in the square sleeve of the limb fixing frame B; the outer side surfaces of two ends of the binding belt winding wheel are provided with two binding belt clamping grooves; a binding belt is fixedly arranged in the binding belt clamping groove; the rear end of the binding belt winding wheel is provided with a binding belt adjusting button and a ratchet wheel, and the ratchet wheel is arranged on the lower end surface of the binding belt adjusting button; the binding belt adjusting button, the binding belt winding wheel, the binding belt clamping groove and the ratchet wheel are rotatably arranged in a mounting groove in the limb fixing frame B; a semicircular sleeve is arranged in the limb fixing device base, and the length adjusting rod is movably arranged in the semicircular sleeve in the limb fixing device base; the outer side surface of the length adjusting rod is provided with a telescopic jacking column; the binding belt clamping mechanism is rotatably arranged on the limb fixing frame B and is arranged on the same surface with the binding belt adjusting button; the lower end of the binding belt clamping mechanism is provided with an eccentric shaft; the front end of the pawl column is provided with a connecting disc which is slidably arranged in a chute of the fixed buckle; the connecting disc is provided with an eccentric round hole and is fixedly connected with a skewing shaft at the lower end of the binding belt clamping mechanism;

further, still include: the base supports the square column, fixes the buckle, the pawl column, spring; the spring is sleeved on the pawl column, and the spring enables the pawl column to move backwards; the bottom end surface of the limb fixing device base is provided with a sliding chute and is rotatably provided with a base supporting square column; the fixed buckles are slidably arranged in the sliding grooves on the bottom end face of the limb fixing device base and are arranged on the rear end face of the base supporting square columns, and four base supporting square columns are arranged; the top and the rear end face of the base supporting square column are respectively provided with a groove, a magnet is arranged in the grooves, and the top and the rear end face of the base supporting square column are respectively provided with a groove and form ninety degrees.

Furthermore, the lifting device also comprises a lifting rocker and a lifting transmission device; the lifting rocker comprises: a clamping plate, a rocker and a telescopic elastic sheet; a clamping plate is arranged on the front end face of the rocker; both sides of the rear end of the rocker are provided with telescopic elastic sheets; the lifting transmission device comprises: the device comprises a transmission shaft A, a transmission shaft B, a transmission shaft C, a belt pulley, a gear A, a belt pulley B, a gear B, a belt pulley A and a transmission shaft D; belt pulleys are respectively arranged on the transmission shaft A, the transmission shaft B and the transmission shaft C, and are rotatably arranged on the bed body bracket; the transmission shaft B is rotatably connected with the transmission shaft D through a sleeve, and is respectively provided with a clamping groove in contact connection with the clamping plate and the telescopic elastic sheet; the belt pulleys are connected through a belt; the transmission shaft C is provided with a gear A and is arranged at the rear end of the belt pulley; the transmission shaft D is provided with a belt pulley B and is rotatably arranged on the transmission shaft B; a gear B is arranged on the transmission shaft A; the gear A and the gear B are respectively meshed with the rack A.

Further, the bed folding mechanism includes: the bed body supporting plate, the chute plate, the mounting chute, the rack A and the mounting support plate; two ends of the bed body supporting plate are provided with two sliding groove plates; the bottom end surface of the bed body supporting plate is provided with two mounting chutes; the inner side surface of the mounting chute is provided with a rack A; the rack A is meshed with the gear B and the belt pulley A; the installation support plate is fixedly installed on the bottom end face of the bed body support plate and is arranged on the inner side of the installation chute.

Further, the bed body support plate comprises a sliding chute at the bottom end of the bed body support plate; the sliding grooves are arranged on the grooves of the bed body supporting plates and are arranged on two sides under the leg folding plates.

Further, the supplementary fixed medical bed of bone surgery who says, its characterized in that, bedstead supporting mechanism includes: the bed body support is connected with the bed body through a connecting support, a movable wheel, a bed body support, a mounting plate, a lifting fixing button and a telescopic clamping column; the top end surface of the bed body bracket is hinged with a connecting bracket, and the connecting bracket is rotationally connected with the mounting chute; the bottom end surface of the bed body bracket is fixedly provided with a movable wheel; the lifting fixing button is rotatably arranged on the bed body bracket and is fixedly connected with the telescopic clamping column; the mounting plate is fixedly arranged on the top end surface of the bed body bracket and is arranged right above the lifting transmission device; the telescopic clamping column is in contact connection with the groove in the mounting chute.

Further, the medical bed for assisting bone surgery in fixing is characterized in that the leg folding plate comprises: the fixing clamping piece, the rotating shaft and the folding plate are arranged on the fixing plate; the front end and the rear end of the folding plate are provided with rotating shafts which are rotatably arranged on the bed body supporting plate; the fixed clamping pieces are rotatably arranged on the front end face and the rear end face of the folding plate and are movably connected with the bed body supporting plate.

Furthermore, the auxiliary fixing medical bed for the orthopedic operation is characterized in that the gear A and the gear B are manufactured by adopting a surface carburizing and quenching process.

Due to the adoption of the technical scheme, the invention has the following advantages:

1. the invention is provided with a base supporting square column and a fixed buckle, the base supporting square column is rotated to ninety degrees to one hundred eight degrees and is connected with the fixed buckle in an adsorption manner, and a limb fixing mechanism is controlled to be respectively installed in a sliding groove at the bottom end of a sliding groove plate or a bed body supporting plate in a sliding manner, so that the arm or the leg of a patient is fixed, and the situations of inconvenient movement and incapability of fixing during operation are reduced.

2. The adjustable tightening band fixing device is provided with a tightening band adjusting button and a tightening band clamping mechanism, the length of the tightening band is adjusted by rotating the tightening band adjusting button to be suitable for fixing different patients and fixing the tightening band in different degrees, and the adjusted tightening band is fixed by the tightening band clamping mechanism to prevent loosening.

3. The invention is provided with the lifting rocker and the lifting transmission device, realizes the adjustment of the height and the angle of the head part or the leg part of the bed body folding mechanism by rotating the lifting rocker at different grades, and is convenient for doctors to treat and brings better treatment experience to patients.

Drawings

Fig. 1 and 2 are overall assembly views of the present invention.

Fig. 3 and 4 are structural diagrams of a bed folding mechanism of the invention.

Fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 12 are schematic structural views of the limb fixing mechanism of the invention.

Fig. 11 is a partial enlarged view of fig. 10, a.

Fig. 13 and 14 are schematic structural views of a bed frame supporting mechanism according to the present invention.

FIG. 15 is a schematic view of the structure of the elevating rocker of the present invention.

FIG. 16 is a schematic view of the installation of the lift rocker and lift actuator.

Fig. 17 is a schematic view of the leg folding plate installation of the present invention.

Fig. 18 is a schematic structural view of the lifting transmission device of the present invention.

Reference numerals: 1-a bed body folding mechanism; 2-a limb fixation mechanism; 3-a bed frame support mechanism; 4-lifting rocker; 5-leg folding plate; 6-a lifting transmission device; 101-a bed body supporting plate; 102-a chute plate; 103-installing a chute; 104-rack a; 105-a mounting plate; 201-limb fixing frame A; 202-limb fixation device base; 203-base support square column; 204-length adjusting rod; 205-tightening the strap adjustment knob; 206-a fastening belt locking mechanism; 207-a binding band; 208-rack B; 209-fixing the buckle; 210-tightening the strap winding wheel; 211-binding the belt clamping groove tightly; 212-a ratchet wheel; 213-a regulating wheel; 214-torsion spring; 215-latch; 216-connecting the discs; 217-pawl post; 218-a spring; 219-Limb fixing frame B; 301-connecting the stent; 302-a moving wheel; 303-bed support; 304-a mounting plate; 305-a lifting fixing button; 306-telescopic clamp column; 401-card board; 402-a rocker; 403-elastic expansion sheet; 501-fixing a clamping piece; 502-axis of rotation; 503-folding plate; 601-drive shaft A; 602-drive shaft B; 603-drive shaft C; 604-a pulley; 605-gear a; 606-pulley B; 607-gear B; 608-a belt; 609-pulley A; 610-drive shaft D.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below. In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

1-18, an auxiliary fixed medical bed for orthopedic surgery comprises a bed body folding mechanism 1, a limb fixing mechanism 2, a bed frame supporting mechanism 3 and a leg folding plate 5; the two sides of the bed body folding mechanism 1 are provided with sliding groove plates 102, and the limb fixing mechanism 2 is installed in a sliding way; the bed body folding mechanism 1 is fixedly arranged on the mounting plate 304 of the bed frame supporting mechanism 3; the leg folding plate 5 is rotatably arranged in a leg mounting groove of the bed body folding mechanism 1; specifically, bed body folding mechanism 1 is used for supporting patient's limbs, convenient treatment and operation, and limbs fixed establishment 2 is used for fixed patient's limbs part, and bedstead supporting mechanism 3 is used for supporting bed body folding mechanism 1, and lift rocker 4, shank folded sheet 5 are used for adjusting bed body folding mechanism 1's height and angle, and limbs fixed establishment 2 includes: the limb fixing frame comprises a limb fixing frame A201, a limb fixing device base 202, a base supporting square column 203, a length adjusting rod 204, a binding belt adjusting button 205, a binding belt clamping mechanism 206, a binding belt 207, a rack B208, a fixing buckle 209, a binding belt winding wheel 210, a binding belt clamping groove 211, a ratchet wheel 212, an adjusting wheel 213, a torsion spring 214, a clamping tooth 215, a connecting disc 216, a pawl column 217, a spring 218 and a limb fixing frame B219; the rack B208 is arranged at the bottom end of the limb fixing frame A201; the limb fixing frame B219 is arranged on the rack B208 in a sliding way; a connecting rod at the rear end of the adjusting wheel 213 is provided with a latch 215, and the latch 215 is meshed with the rack B208; the torsion spring 214 is sleeved on the connecting rod at the rear end of the adjusting wheel 213; the adjusting wheel 213, the torsion spring 214 and the latch 215 are rotatably arranged in the square sleeve of the limb fixing frame B219; the adjusting wheel 213, the torsion spring 214 and the latch 215 are locking components of the limb fixing mechanism 2, and are used for adjusting the diameters of limbs of different patients and then fixing the limbs to prevent loosening; the outer side surfaces of the two ends of the binding band winding wheel 210 are provided with two binding band clamping grooves 211, and the number of the binding band clamping grooves 211 is two; a binding band 207 is fixedly installed in the binding band slot 211; a binding band adjusting button 205 and a ratchet wheel 212 are arranged at the rear end of the binding band winding wheel 210, and the ratchet wheel 212 is arranged on the lower end surface of the binding band adjusting button 205; the binding band adjusting button 205, the binding band winding wheel 210, the binding band clamping groove 211 and the ratchet wheel 212 are rotatably arranged in the mounting groove in the limb fixing frame B219; the tightening belt adjusting button 205, the tightening belt winding wheel 210, the tightening belt clamping groove 211 and the ratchet wheel 212 are tightness adjusting components of the tightening belt 207 and are used for adjusting tightness after the limb of the patient is fixed; a semicircular sleeve is arranged in the limb fixing device base 202, and the length adjusting rod 204 is movably arranged in the semicircular sleeve in the limb fixing device base 202; the outer side surface of the length adjusting rod 204 is provided with a telescopic jacking column; the length adjusting rod 204 is a length extending and fixing component of the limb fixing mechanism 2, is used for extending the length of the limb fixing mechanism 2 by stretching, and is rotated to fix a groove in an installation hole of the limb fixing device base 202 by using a telescopic ejection column arranged on the outer side surface of the length adjusting rod 204, and is rotated again, and the semicircular sleeve length adjusting rod 204 in the limb fixing device base 202 extrudes the telescopic ejection column to extrude and contract the limb fixing device base 202; the fastening belt clamping mechanism 206 is rotatably arranged on the limb fixing frame B219 and is arranged on the same surface with the fastening belt adjusting button 205; the lower end of the binding band clamping mechanism 206 is provided with an eccentric shaft; the front end of the pawl column 217 is provided with a connecting disc 216 which is slidably arranged in a sliding groove of the fixed buckle 209; the connecting disc 216 is provided with an eccentric round hole and is fixedly connected with a skewing shaft at the lower end of the binding belt clamping mechanism 206; the tight band locking mechanism 206 is a fixing means of the tight band 207 and prevents the tight band 207 from rotating with the tight band winding wheel 210 after fixing.

In another embodiment of this embodiment, in the actual use process, in order to adjust the tightening belt 207 and convert different parts of the arms and legs, the present invention further comprises: a base support square column 203, a fixed buckle 209, a pawl column 217 and a spring 218;

the spring 218 is sleeved on the pawl column 217, and the pawl column 217 is moved backwards by the spring 218; the bottom end face of the limb fixing device base 202 is provided with a sliding chute and is rotatably provided with a base supporting square column 203; the fixed buckles 209 are slidably mounted in the sliding grooves on the bottom end surface of the limb fixing device base 202 and are arranged on the rear end surface of the base support square columns 203, and four base support square columns 203 are arranged; the fixing buckle 209 is made of magnet metal; the top end and the rear end face of the base supporting square column 203 are respectively provided with a groove, magnets are arranged in the grooves, the top end and the rear end face of the base supporting square column 203 are respectively provided with a groove at an angle of ninety degrees, the contact property is in adsorptive connection with the fixed buckle 209, and when folding deformation is needed, one end of the fixed buckle 209 is adsorbed by a spare magnet on the side edge for separation; the limb fixing frame A201 and the limb fixing device base 202 are fixedly connected through a hydraulic ejector rod, and the hydraulic principle of a jack is utilized to control the limb fixing frames A201 on the two sides to adjust the height.

In another embodiment of this embodiment, in the actual use process, in order to adjust the tightening belt 207 and convert different parts of the arms and legs, the present invention further comprises a lifting rocker 4 and a lifting transmission device 6; the lifting rocker 4 comprises: a clamping plate 401, a rocker 402 and a telescopic elastic sheet 403; a clamping plate 401 is arranged on the front end face of the rocker 402; telescopic elastic sheets 403 are arranged on two sides of the rear end of the rocker 402; the lifting transmission device 6 comprises: a transmission shaft A601, a transmission shaft B602, a transmission shaft C603, a belt pulley 604, a gear A605, a belt pulley B606, a gear B607, a belt 608, a belt pulley A609 and a transmission shaft D610; the transmission shaft A601, the transmission shaft B602 and the transmission shaft C603 are respectively provided with a belt pulley 604 and are rotatably arranged on the bed body bracket 303; the transmission shaft B602 is rotatably connected with the transmission shaft D610 through a sleeve, and is respectively provided with a clamping groove in contact connection with the clamping plate 401 and the telescopic elastic sheet 403; the pulleys 604 are connected by a belt 608; the transmission shaft C603 is provided with a gear A605 and is arranged at the rear end of the belt pulley 604; the transmission shaft D610 is provided with a belt pulley B606 and is rotatably arranged on the transmission shaft B602; a gear B607 is arranged on the transmission shaft A601; the gear A605 and the gear B607 are respectively meshed with the rack A104; the lifting rocker 4 is set to be adjusted in two steps, one step stretches the lifting rocker 4, the telescopic elastic sheet 403 and the transmission shaft D610 are connected with each other to control the head of the bed body supporting plate 101 to lift, the lifting rocker 4 is pressed down in two steps to separate the telescopic elastic sheet 403 from the transmission shaft D610, and the clamping plate 401 and the clamping groove in the transmission shaft B602 are connected with each other to control the lower limb lifting of the bed body supporting plate 101.

In another embodiment of this embodiment, in order to adjust the tightening belt 207 and convert and fix different parts of the arms and legs during the actual use process, the bed folding mechanism 1 of the present invention comprises: the bed body supporting plate 101, the chute plate 102, the mounting chute 103, the rack A104 and the mounting support plate 105; two ends of the bed body supporting plate 101 are provided with two sliding groove plates 102, and the number of the sliding groove plates 102 is two; the bottom end surface of the bed body supporting plate 101 is provided with two mounting chutes 103, and the number of the mounting chutes 103 is two; a rack A104 is arranged on the inner side surface of the mounting chute 103; and the rack A104 is meshed with the gear B607 and the belt pulley A609; the mounting support plate 105 is fixedly mounted on the bottom end face of the bed body support plate 101 and is arranged on the inner side of the mounting chute 103; the left side of installation spout 103 is provided with the draw-in groove, and is connected with flexible card post 306 contactability.

In another embodiment of this embodiment, in the actual use process, in order to fix the leg, the invention further includes a chute at the bottom end of the bed support plate 101; the sliding chutes are arranged on the grooves of the bed body supporting plate 101 and are arranged on two sides under the leg folding plate 5; the sliding groove at the bottom end of the bed body supporting plate 101 is used for sliding or fixing the base supporting square column 203.

In another embodiment of this embodiment, in order to support and move the bed folding mechanism during actual use, the frame support mechanism 3 of the present invention comprises: a connecting bracket 301, a moving wheel 302, a bed body bracket 303, a mounting plate 304, a lifting fixing button 305 and a telescopic clamping column 306; the top end surface of the bed body support 303 is hinged with a connecting support 301, and the connecting support 301 is rotatably connected with the mounting chute 103; the bottom end surface of the bed body support 303 is fixedly provided with a movable wheel 302; the lifting fixing button 305 is rotatably arranged on the bed body support 303, and the lifting fixing button 305 is fixedly connected with the telescopic clamping column 306; the mounting plate 304 is fixedly mounted on the top end surface of the bed body support 303 and is arranged right above the lifting transmission device 6; the telescopic clamping column 306 is in contact connection with the groove on the mounting chute 103; the lifting fixing button 305 controls the telescopic clamping column 306 to extend and retract, and is used for fixedly mounting the sliding groove 103 on the bed body supporting plate 101 in a lifting mode.

In another embodiment of this embodiment, in order to realize the conversion between the general medical bed and the leg support fixing frame during the actual use, the leg folding plate 5 of the present invention comprises: a fixed clip 501, a rotating shaft 502 and a folding plate 503; the front end and the rear end of the folding plate 503 are provided with rotating shafts 502 which are rotatably arranged on the bed body supporting plate 101; the fixed fasteners 501 are rotatably arranged on the front end surface and the rear end surface of the folding plate 503 and are movably connected with the bed body supporting plate 101; the leg folding plate 5 is a leg support plate of the bed body support plate 101 and is used for changing a common medical bed and a leg fixing medical bed.

In another embodiment of this embodiment, in the actual use process, in order to improve the utilization rate and prolong the service life, the gear a605 and the gear B607 are manufactured by the carburizing and quenching process, so as to increase the hardness and improve the durability.

Claims

1. An auxiliary fixing medical bed for orthopedic operations is characterized by comprising a bed body folding mechanism (1), a limb fixing mechanism (2), a bed frame supporting mechanism (3) and a leg folding plate (5); the two sides of the bed body folding mechanism (1) are provided with sliding groove plates (102), and the limb fixing mechanism (2) is installed in a sliding way; the bed body folding mechanism (1) is fixedly arranged on the mounting plate (304) of the bed frame supporting mechanism (3); the leg folding plate (5) is rotatably arranged in a leg mounting groove of the bed body folding mechanism (1); the limb fixation mechanism (2) comprises: the limb fixing frame comprises a limb fixing frame A (201), a limb fixing device base (202), a base supporting square column (203), a length adjusting rod (204), a binding belt adjusting button (205), a binding belt clamping mechanism (206), a binding belt (207), a rack B (208), a fixing buckle (209), a binding belt winding wheel (210), a binding belt clamping groove (211), a ratchet wheel (212), an adjusting wheel (213), a torsion spring (214), clamping teeth (215), a connecting disc (216), a pawl column (217), a spring (218) and a limb fixing frame B (219);

the rack B (208) is arranged at the bottom end of the limb fixing frame A (201); the limb fixing frame B (219) is arranged on the rack B (208) in a sliding way; a connecting rod at the rear end of the adjusting wheel (213) is provided with a latch (215), and the latch (215) is meshed with the rack B (208); the torsion spring (214) is sleeved on the connecting rod at the rear end of the adjusting wheel (213); the adjusting wheel (23), the torsion spring (214) and the latch (215) are rotatably arranged in a square sleeve of the limb fixing frame B (219); the outer side surfaces of two ends of the binding belt winding wheel (210) are provided with two binding belt clamping grooves (211), and the number of the binding belt clamping grooves (211) is two; a binding belt (207) is fixedly arranged in the binding belt clamping groove (211); the rear end of the binding belt winding wheel (210) is provided with a binding belt adjusting button (205) and a ratchet wheel (212), and the ratchet wheel (212) is arranged on the lower end surface of the binding belt adjusting button (205); the binding belt adjusting button (205), the binding belt winding wheel (210), the binding belt clamping groove (211) and the ratchet wheel (212) are rotatably arranged in the mounting groove in the limb fixing frame B (219); a semicircular sleeve is arranged in the limb fixing device base (202), and the length adjusting rod (204) is movably arranged in the semicircular sleeve in the limb fixing device base (202); the outer side surface of the length adjusting rod (204) is provided with a telescopic jacking column; the binding belt clamping mechanism (206) is rotatably arranged on the limb fixing frame B (29) and is arranged on the same surface with the binding belt adjusting button (205); the lower end of the binding belt clamping mechanism (206) is provided with an eccentric shaft; the front end of the pawl column (217) is provided with a connecting disc (216) which is slidably arranged in a sliding groove of the fixed buckle (209); the connecting disc (216) is provided with an eccentric round hole and is fixedly connected with an eccentric shaft at the lower end of the binding belt clamping mechanism (206).

2. The auxiliary fixing medical bed for orthopedic operation according to claim 1, further comprising: the base support square column (203), the fixing buckle (209), the pawl column (217) and the spring (218); the spring (218) is sleeved on the pawl column (217), and the pawl column (217) is moved backwards by the spring (218); the bottom end face of the limb fixing device base (202) is provided with a sliding chute and is rotatably provided with a base supporting square column (203); the fixed buckles (209) are slidably arranged in the sliding grooves on the bottom end surface of the limb fixing device base (202) and are arranged on the rear end surface of the base supporting square columns (203), and four base supporting square columns (203) are arranged; the top and the rear end face of the base supporting square column (203) are respectively provided with a groove, a magnet is arranged in the grooves, and the top and the rear end face of the base supporting square column (203) are respectively provided with a groove which is ninety degrees.

3. The auxiliary fixing medical bed for the orthopedic operation is characterized by further comprising a lifting rocker (4) and a lifting transmission device (6) according to claim 1 or 2; the lifting rocker (4) comprises: the clamp plate (401), the rocker (402) and the telescopic elastic sheet (403); a snap-gauge (401) is arranged on the front end face of the rocker (402); telescopic elastic sheets (403) are arranged on two sides of the rear end of the rocker (402); the lifting transmission device (6) comprises: a transmission shaft A (601), a transmission shaft B (602), a transmission shaft C (603), a belt pulley (604), a gear A (605), a belt pulley B (606), a gear B (607), a belt (608), a belt pulley A (609) and a transmission shaft D (610); the transmission shaft A (601), the transmission shaft B (602) and the transmission shaft C (603) are respectively provided with a belt pulley (604) and are rotatably arranged on the bed body bracket (303); the transmission shaft B (602) is rotatably connected with the transmission shaft D (610) through a sleeve, and is respectively provided with a clamping groove in contact connection with the clamping plate (401) and the telescopic elastic sheet (403); the pulleys (604) are connected through a belt (608); the transmission shaft C (603) is provided with a gear A (605) and is arranged at the rear end of the belt pulley (604); a belt pulley B (606) is arranged on the transmission shaft D (610) and is rotatably arranged on the transmission shaft B (602); a gear B (607) is arranged on the transmission shaft A (601); the gear A (605) and the gear B (607) are engaged with the rack A (104), respectively.

4. The auxiliary fixed medical bed for orthopedic surgery according to claim 1, characterized in that the bed body folding mechanism (1) comprises: the bed body supporting plate (101), the chute plate (102), the mounting chute (103), the rack A (104) and the mounting support plate (105); two ends of the bed body supporting plate (101) are provided with two sliding groove plates (102), and the number of the sliding groove plates (102) is two; the bottom end surface of the bed body supporting plate (101) is provided with two mounting sliding grooves (103), and the number of the mounting sliding grooves (103) is two; a rack A (104) is arranged on the inner side surface of the mounting chute (103); the rack A (104), the gear B (607) and the belt pulley A (609) are meshed with each other; the mounting support plate (105) is fixedly mounted on the bottom end face of the bed body support plate (101) and is arranged on the inner side of the mounting sliding groove (103).

5. The auxiliary fixing medical bed for the orthopedic operation is characterized in that the bed further comprises a sliding groove at the bottom end of the bed body supporting plate (101); the sliding grooves are arranged on the grooves of the bed body supporting plate (101) and are arranged on two sides under the leg folding plate (5).

6. The auxiliary fixed medical bed for orthopedic operation according to claim 3 or 4, characterized in that the bed frame supporting mechanism (3) comprises: the bed body support comprises a connecting support (301), a moving wheel (302), a bed body support (303), a mounting plate (304), a lifting fixing button (305) and a telescopic clamping column (306); the top end surface of the bed body support (303) is hinged with a connecting support (301), and the connecting support (301) is rotatably connected with the mounting chute (103); the bottom end surface of the bed body bracket (303) is fixedly provided with a movable wheel (302); the lifting fixing button (305) is rotatably arranged on the bed body bracket (303), and the lifting fixing button (305) is fixedly connected with the telescopic clamping column (306); the mounting plate (304) is fixedly mounted on the top end surface of the bed body support (303) and is arranged right above the lifting transmission device (6); the telescopic clamping column (306) is in contact connection with the groove on the mounting sliding groove (103).

7. An auxiliary fixed medical bed for orthopedic operations according to claim 4, characterized in that the leg folding plate (5) comprises: a fixed clamping piece (501), a rotating shaft (502) and a folding plate (503); the front end and the rear end of the folding plate (503) are provided with rotating shafts (502) which are rotatably arranged on the bed body supporting plate (101); the fixed clamping pieces (501) are rotatably arranged on the front end surface and the rear end surface of the folding plate (503) and are movably connected with the bed body supporting plate (101).

8. The auxiliary fixing medical bed for the orthopedic operation is characterized in that the gear A (605) and the gear B (607) are manufactured by a surface carburizing and quenching process according to the claims 1-7.