阅读说明：本技术 一种可翻转两用手术床 (Reversible dual-purpose operating table ) 是由 林峰 刘羽 陈铃雄 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种可翻转两用手术床,自均压式端部导向型侧支撑装置、可翻转床架、转角式伸缩俯卧支撑装置和转向支撑机架,所述自均压式端部导向型侧支撑装置设于可翻转床架上,所述转角式伸缩俯卧支撑装置对称设于可翻转床架上,所述可翻转床架设于转向支撑机架上。本发明属于手术床技术领域,具体是指一种可翻转两用手术床；本发明通过床架的翻转代替病人自身的翻转,克服了对病人的背部进行手术时一定要手动为病人翻身的技术偏见；通过充气膨胀的方式在翻转时从患者的下方进行支撑,有效解决了支撑装置既要足够软又要足够硬的技术矛盾,有效解决难以在不对患者造成二次伤害的情况下为了重伤的、无意识的或者体重大的患者翻身的问题。(The invention discloses a reversible dual-purpose operating bed, which comprises a self-pressure-equalizing end guide type side supporting device, a reversible bed frame, a corner type telescopic prone supporting device and a steering supporting frame, wherein the self-pressure-equalizing end guide type side supporting device is arranged on the reversible bed frame, the corner type telescopic prone supporting devices are symmetrically arranged on the reversible bed frame, and the reversible bed frame is arranged on the steering supporting frame. The invention belongs to the technical field of operating tables, in particular to a reversible dual-purpose operating table; the invention replaces the self-turning of the patient by the turning of the bedstead, and overcomes the technical bias that the patient must be manually turned over when the back of the patient is operated; the patient is supported from the lower part of the patient in the overturning process in an inflation and expansion mode, so that the technical contradiction that the supporting device is soft enough and hard enough is effectively solved, and the problem that the patient is difficult to turn over for seriously injured, unconscious or heavy patients without causing secondary injury to the patient is effectively solved.)

1. A reversible dual-purpose operating table is characterized in that: including from pressure-equalizing formula tip direction type collateral branch strutting arrangement (1), bedstead (2) can overturn, the flexible push-up strutting arrangement of corner formula (3) and turn to support frame (4), locate on bedstead (2) can overturn from pressure-equalizing formula tip direction type collateral branch strutting arrangement (1), the flexible push-up strutting arrangement of corner formula (3) symmetry is located on bedstead (2) can overturn, bedstead (2) can overturn are located and are turned to on supporting frame (4).

2. The reversible dual-purpose operating table according to claim 1, wherein: the self-pressure-equalizing end guide type side supporting device (1) comprises a self-pressure-equalizing guide device (5) and a side supporting protection device (6), wherein the two ends of the side supporting protection device (6) are symmetrically arranged on the self-pressure-equalizing guide device (5).

3. The reversible dual-purpose operating table according to claim 2, wherein: the self-pressure-equalizing guide device (5) comprises a semi-cantilever type guide cylinder (7), an air inlet nozzle (8), a hollow guide piston rod (9) and a self-pressure-equalizing balance spring (10), the semi-cantilever type guide cylinder (7) is arranged on the turnable bed frame (2), a cylinder bottom round hole (15) is formed in the semi-cantilever type guide cylinder (7), the air inlet nozzle (8) is clamped in the cylinder bottom round hole (15), a cylinder top round hole (16) is formed in the semi-cantilever type guide cylinder (7), the hollow guide piston rod (9) is slidably arranged in the cylinder top round hole (16), the hollow guide piston rod (9) and the cylinder top round hole (16) are in sliding sealing contact, a piston rod bottom piston plate (17) is arranged on the hollow guide piston rod (9), and the hollow guide piston rod (9) is slidably arranged in the semi-cantilever type guide cylinder (7) through the piston rod bottom piston plate (17) in clamping manner ) The hollow guide piston rod (9) is provided with a piston rod center round hole (18), one end of the self-pressure-equalizing balance spring (10) is arranged on the piston rod bottom piston plate (17), and the other end of the self-pressure-equalizing balance spring (10) is arranged at a round hole (16) at the top of the cylinder.

4. The reversible dual-purpose operating table according to claim 3, wherein: the side supporting protection device (6) comprises an inwards concave supporting air bag (11), a guiding connection top block (12), an arc-shaped air bag air inlet pipe (13) and an exhaust valve (14), the inwards concave supporting air bag (11) is arranged on the turnable bed frame (2), air bag end tables (19) are symmetrically arranged on the inwards concave supporting air bag (11), an air bag round hole (20) is formed in each air bag end table (19) of the inwards concave supporting air bag (11), one end of the arc-shaped air bag air inlet pipe (13) is clamped in each air bag round hole (20), the other end of the arc-shaped air bag air inlet pipe (13) is clamped in a piston rod central round hole (18), an air bag top round table (21) is symmetrically arranged on the inwards concave supporting air bag (11), the exhaust valve (14) is clamped in each air bag top round table (21), and the guiding connection top block (12) is symmetrically arranged at two ends of the inwards concave supporting air bag (11), and the guide connecting ejector block (12) is provided with an ejector block center avoiding hole (22), the guide connecting ejector block (12) is fixedly connected with the hollow guide piston rod (9), and the exhaust valve (14) is positioned in the ejector block center avoiding hole (22).

5. The reversible dual-purpose operating table according to claim 4, wherein: the turnable bed frame (2) comprises a bed frame lifting device (23) and a bottom bed board dismounting device (24), the bed frame lifting device (23) is arranged on the steering support frame (4), and the bottom bed board dismounting device (24) is symmetrically arranged on the bed frame lifting device (23).

6. The reversible dual-purpose operating table according to claim 5, wherein: the bedstead lifting device (23) comprises a bedstead lifting base (25), a bedstead lifting frame (26), a top surface fixing pressing plate (27), a bedstead lifting electric cylinder (28) and a bedstead rotating disk (29), the concave type supporting air bags (11) are arranged on the bedstead lifting base (25), a base square sleeve (33) is symmetrically arranged on the bedstead lifting base (25), the semi-cantilever type guiding cylinders (7) are symmetrically arranged on the base square sleeve (33), lifting frame square shafts (34) are symmetrically arranged on the bedstead lifting frame (26), the bedstead lifting frame (26) is clamped and slidably arranged in the base square sleeve (33) through the lifting frame square shafts (34), lifting frame top threaded holes (35) are symmetrically arranged on the bedstead lifting frame (26), pressing plate through holes (36) are symmetrically arranged on the top surface fixing pressing plate (27), and the top surface fixing pressing plate (27) is in bolted connection with the lifting frame top threaded holes (35) through the pressing plate through holes (36), the utility model discloses a bed frame lifting electric cylinder, including bedstead lifting electric cylinder (28), bedstead lifting frame (26), bedstead rotary disk (29), bedstead lifting base (25), bedstead rotary disk (29) and bedstead lifting base (25) rigid coupling, be equipped with rotary disk center round hole (37) on bedstead rotary disk (29), bedstead rotary disk (29) are located on steering support frame (4) through rotary disk center round hole (37), annular has all been laid bed carousel locking hole (38) on bedstead rotary disk (29).

7. The reversible dual-purpose operating table according to claim 6, wherein: bottom bed board dismouting device (24) are including central limiting plate (30), marginal limiting plate (31) and slidingtype components of a whole that can function independently bed board (32), on bedstead lift base (25) were located to central limiting plate (30) symmetry, on square sleeve (33) of base was located to marginal limiting plate (31) symmetry, slidingtype components of a whole that can function independently bed board (32) slide and locate on bedstead lift base (25), be equipped with bed board side catching groove (39) on slidingtype components of a whole that can function independently bed board (32).

8. The reversible dual-purpose operating table according to claim 7, wherein: the flexible prostrate strutting arrangement (3) of corner formula includes that the expansion bracket rotates base (40), flexible spout (41), first slide (42), second slide (43), head support bandage (44) and chin support bandage (45), the expansion bracket rotates base (40) symmetry and locates on bedstead crane (26), flexible spout (41) are rotated and are located on expansion bracket rotates base (40), first slide (42) block slides and locate in flexible spout (41), second slide (43) slide are located on first slide (42), be equipped with slide arc wall (46) on second slide (43), head support bandage (44) are located on arc gasbag intake pipe (13), chin support bandage (45) are located on second slide (43).

9. The reversible dual-purpose operating table of claim 8, wherein: the steering support frame (4) comprises a welding type frame (47), a rotating locking base (48), a turning driving motor (49) and a pop-up locking electric cylinder (50), wherein the welding type frame (47) is symmetrically provided with two groups, the rotating locking base (48) is arranged on the welding type frame (47), a rotating base center hole (51) is arranged on the rotating locking base (48), the turning driving motor (49) is clamped in the rotating base center hole (51), a motor output shaft (53) is arranged on the turning driving motor (49), the motor output shaft (53) is clamped in a rotating disc center round hole (37), rotating base side holes (52) are symmetrically arranged on the rotating locking base (48), the pop-up locking electric cylinder (50) is clamped in the rotating base (52), and a turning locking pin (54) is arranged on the pop-up locking electric cylinder (50), the overturning locking pin (54) is clamped and slidably arranged in the bed turntable locking hole (38).

Technical Field

The invention belongs to the technical field of operating tables, and particularly relates to a reversible dual-purpose operating table.

Background

In the process of clinical medical treatment, in the face of serious car accidents, large-area burns and other cases, operations on the front and the back of a patient are often required in one operation, but the patient in the operation is unconscious, namely the whole body is soft and has no help, multiple people are required to cooperate when the patient turns over, and the wound of the patient is very easy to tear in the turning over process to cause secondary injury to the patient.

Therefore, the invention provides the dual-purpose operating bed capable of turning over the patient from the supine posture to the prone posture through turning over of the bed frame, but in the turning over process, when the bed frame is in an inclined state, the patient can slide under the action of gravity, and in order to avoid the negative factor which is easy to cause injury to the patient, the invention provides the dual-purpose operating bed capable of turning over and flexibly supporting the patient from the lower side in the turning over process.

Disclosure of Invention

Aiming at the situation and overcoming the defects of the prior art, the invention provides the turnover dual-purpose operating bed which can replace the patient to turn over by himself through turnover of the frame and can prevent the patient from sliding when the patient turns over.

When the bedstead inclines, a patient can slide under the action of gravity, and secondary injury is easily caused to the patient.

In order to reduce the occupied space of the side support protective device in a non-inflation state and adjust the width of the side support protective device for patients with different body widths, the invention creatively provides the self-pressure-equalizing type guide device, under the condition of no pressure equalizing valve and no sensor, the air pressure balance between the semi-cantilever type guide cylinder and the concave type support air bag is realized only by a smart mechanical structure, the influence of the internal air pressure of the semi-cantilever type guide cylinder on the hollow type guide piston rod is counteracted by the elastic force of the self-pressure-equalizing balance spring, and the technical effects that the hollow type guide piston rod can gradually extend out, the concave type support air bag can gradually expand and the movement of the hollow type guide piston rod and the concave type support air bag can be synchronously carried out along with the increase of the air pressure are realized.

The technical scheme adopted by the invention is as follows: the invention relates to a reversible dual-purpose operating bed, which comprises a self-pressure-equalizing end guide type side supporting device, a reversible bed frame, a corner type telescopic prone supporting device and a steering supporting frame, wherein the self-pressure-equalizing end guide type side supporting device is arranged on the reversible bed frame, the self-pressure-equalizing end guide type side supporting device can realize the effects of pressure equalization and guidance at the same time under the condition of no pressure equalizing valve, the corner type telescopic prone supporting device is symmetrically arranged on the reversible bed frame, the corner type telescopic prone supporting device can support prone patients after being unfolded, the reversible bed frame is arranged on the steering supporting frame, the steering supporting frame is symmetrically provided with two groups, and the steering supporting frame has the functions of supporting the reversible bed frame and driving the reversible bed frame to rotate.

Further, including from pressure-equalizing formula guider and collateral branch support protector from pressure-equalizing formula guider, from pressure-equalizing formula guider plays the guide effect, locate the both ends that the protector was supported to the collateral branch from pressure-equalizing formula guider symmetry, collateral branch supports protector and has limiting displacement, can prevent that patient from sliding when the patient that overturns.

Preferably, the self-pressure-equalizing type guiding device comprises a semi-cantilever type guiding cylinder, an air inlet nozzle, a hollow guiding piston rod and a self-pressure-equalizing balance spring, wherein the semi-cantilever type guiding cylinder is arranged on the turnable bed frame, a cylinder bottom round hole is arranged on the semi-cantilever type guiding cylinder, the air inlet nozzle is clamped in the cylinder bottom round hole, a cylinder top round hole is arranged on the semi-cantilever type guiding cylinder, the hollow guiding piston rod is clamped in the cylinder top round hole in a sliding manner, the hollow guiding piston rod is in sliding sealing contact with the cylinder top round hole, a piston rod bottom piston plate is arranged on the hollow guiding piston rod, the hollow guiding piston rod is clamped in the inner wall of the semi-cantilever type guiding cylinder in a sliding manner through the piston rod bottom piston plate, and the piston rod bottom piston plate is in sliding sealing contact with the semi-cantilever type guiding cylinder, the hollow guide piston rod is provided with a piston rod center round hole, air can freely flow in the piston rod center round hole, one end of the self-pressure-equalizing balance spring is arranged on a piston plate at the bottom of the piston rod, the other end of the self-pressure-equalizing balance spring is arranged at the round hole at the top of the cylinder, the self-pressure-equalizing balance spring can generate pre-tightening force for the hollow guide piston rod, the pre-tightening force is gradually increased along with the sliding of the hollow guide piston rod (the compression of the self-pressure-equalizing balance spring), and the pre-tightening force is always equal to the gas pressure borne by the piston plate at the bottom of the piston rod.

As a further preferred aspect of the present invention, the side support protection device comprises an inward concave support airbag, a guide connection top block, an arc-shaped airbag air inlet tube and an exhaust valve, wherein the inward concave support airbag is disposed on the reversible bedstead, the middle part of the inward concave support airbag is inward concave, and can effectively limit a patient during the turnover process and prevent the patient from sliding, an airbag end table is symmetrically disposed on the inward concave support airbag, an airbag circular hole is disposed on the airbag end table of the inward concave support airbag, one end of the arc-shaped airbag air inlet tube is clamped in the airbag circular hole, the other end of the arc-shaped airbag air inlet tube is clamped in the piston rod central circular hole, the gas in the semi-cantilever type guide cylinder and the inward concave support airbag flows through the arc-shaped airbag air inlet tube, an airbag top circular table is symmetrically disposed on the inward concave support airbag, and the exhaust valve is clamped in the airbag top circular table, the guide connecting ejector blocks are symmetrically arranged at two ends of the concave supporting air bag, an ejector block center avoiding hole is formed in the guide connecting ejector block, the guide connecting ejector block is fixedly connected with the hollow guide piston rod, and the exhaust valve is located in the ejector block center avoiding hole.

Furthermore, the turnover bed frame comprises a bed frame lifting device and a bottom bed board dismounting device, the bed frame lifting device is arranged on the steering support frame, and the bottom bed board dismounting device is symmetrically arranged on the bed frame lifting device.

Preferably, the bedstead lifting device comprises a bedstead lifting base, a bedstead lifting frame, a top surface fixed pressing plate, a bedstead lifting electric cylinder and a bedstead rotating disk, the inward concave type supporting air bag is arranged on the bedstead lifting base, a base square sleeve is symmetrically arranged on the bedstead lifting base, the semi-cantilever type guiding cylinder is symmetrically arranged on the base square sleeve, a lifting frame square shaft is symmetrically arranged on the bedstead lifting frame, the bedstead lifting frame is clamped and slidably arranged in the base square sleeve through the lifting frame square shaft, the base square sleeve and the lifting frame square shaft play a guiding role, lifting frame top threaded holes are symmetrically arranged on the bedstead lifting frame, a pressing plate through hole is symmetrically arranged on the top surface fixed pressing plate, the top surface fixed pressing plate is in bolted connection with the lifting frame top threaded holes through the pressing plate through hole, one end of the bedstead lifting electric cylinder is arranged on the bedstead lifting base, the other end of the bedstead lifting electric cylinder is arranged on the bedstead lifting frame, the bedstead rotating disc is arranged on the bedstead lifting base, the bedstead rotating disc is fixedly connected with the bedstead lifting base, a rotating disc center round hole is formed in the bedstead rotating disc, the bedstead rotating disc is arranged on the steering support rack through the rotating disc center round hole, and bed rotating disc locking holes are annularly and uniformly distributed in the bedstead rotating disc.

Further, bottom bed board dismouting device includes central limiting plate, marginal limiting plate and slidingtype components of a whole that can function independently bed board, on bedstead lift base was located to central limiting plate symmetry, on the square sleeve of base was located to marginal limiting plate symmetry, on the bedstead lift base was located in the slidingtype components of a whole that can function independently bed board slides, slidingtype components of a whole that can function independently bed board can slide and pull down, provides operating space for the back operation, be equipped with bed board side catching groove on the slidingtype components of a whole that can function independently bed board.

As preferred, the flexible prostrate strutting arrangement of corner formula includes that the expansion bracket rotates base, flexible spout, first slide, second slide, head support bandage and chin support bandage, the bedstead crane is located to expansion bracket rotation base symmetry, flexible spout rotates to be located on the expansion bracket rotates the base, first slide block slides and locates in the flexible spout, the second slide slides and locates on the first slide, be equipped with the slide arc wall on the second slide, the head supports the bandage and locates in the arc gasbag intake pipe, chin support bandage is located on the second slide, and head support bandage and chin support bandage are flexible material, can support patient's head under the condition that does not influence breathing.

Further, the steering support frame comprises a welding type frame, a rotating locking base, a turnover driving motor and a pop-up locking electric cylinder, two groups of welding type racks are symmetrically arranged, the rotation locking base is arranged on the welding type racks, the rotation locking base is provided with a rotation base center hole, the turnover driving motor is clamped in the rotation base center hole and plays a role in driving the turnover bedstead to rotate, the overturning driving motor is provided with a motor output shaft which is clamped in a central circular hole of the rotating disc, the rotary locking base is symmetrically provided with rotary base side holes, the pop-up type locking electric cylinder is clamped in the rotary base side holes and plays a role in fixing the position of the reversible bedstead, and the ejection type locking electric cylinder is provided with an overturning locking pin which is clamped and slidably arranged in a locking hole of a turntable of the bed.

The invention with the structure has the following beneficial effects: this scheme is a turnover through frame replaces the patient and stands up by oneself, and prevent the gliding dual-purpose operation table that can overturn of patient when standing up, when operating in proper order to patient's front and back, the upset through the bedstead replaces patient's self upset, it must manually be the technological prejudice that patient stands up to have overcome when operating patient's back, heavy injury has effectively been solved, unconscious or the big patient of weight all need operate the time at back and front, be difficult to the problem that stands up for the patient under the condition that does not cause secondary injury to the patient.

When the bedstead inclines, a patient can slide under the action of gravity, and secondary injury is easily caused to the patient.

In order to reduce the occupied space of the side support protective device in a non-inflation state and adjust the width of the side support protective device for patients with different body widths, the invention creatively provides the self-pressure-equalizing type guide device, under the condition of no pressure equalizing valve and no sensor, the air pressure balance between the semi-cantilever type guide cylinder and the concave type support air bag is realized only by a smart mechanical structure, the influence of the internal air pressure of the semi-cantilever type guide cylinder on the hollow type guide piston rod is counteracted by the elastic force of the self-pressure-equalizing balance spring, and the technical effects that the hollow type guide piston rod can gradually extend out, the concave type support air bag can gradually expand and the movement of the hollow type guide piston rod and the concave type support air bag can be synchronously carried out along with the increase of the air pressure are realized.

Drawings

FIG. 1 is a perspective view of a reversible dual-purpose operating table according to the present invention;

FIG. 2 is a front view of the reversible dual-purpose operating table of the present invention;

FIG. 3 is a left side view of the reversible dual-purpose operating table of the present invention;

FIG. 4 is a cross-sectional view taken along section line A-A of FIG. 2;

FIG. 5 is a cross-sectional view taken along section line B-B of FIG. 3;

FIG. 6 is a schematic structural view of a self-equalizing end-guiding side supporting device of a reversible dual-purpose operating table according to the present invention;

FIG. 7 is a schematic view of a reversible bed frame of the reversible dual-purpose operating bed according to the present invention;

FIG. 8 is a schematic structural view of a corner type telescopic prone support device of a reversible dual-purpose operating bed according to the present invention;

FIG. 9 is a schematic structural view of a steering support frame of the reversible dual-purpose operating table according to the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 4 at I;

fig. 11 is a partial enlarged view of the point ii in fig. 4.

Wherein, 1, self-pressure-equalizing end guide type side support device, 2, reversible bedstead, 3, corner type telescopic push-up support device, 4, steering support frame, 5, self-pressure-equalizing guide device, 6, side support protective device, 7, semi-cantilever type guide cylinder, 8, air inlet nozzle, 9, hollow guide piston rod, 10, self-pressure-equalizing balance spring, 11, concave type support air bag, 12, guide connection top block, 13, arc air bag air inlet pipe, 14, exhaust valve, 15, cylinder bottom round hole, 16, cylinder top round hole, 17, piston rod bottom piston plate, 18, piston rod center round hole, 19, air bag end table, 20, air bag round hole, 21, air bag top round table, 22, top block center avoiding hole, 23, bedstead lifting device, 24, bottom bedplate dismounting device, 25, bedstead lifting base, 26, lifting frame, 27, top fixed pressing plate, 28. the bed frame lifting electric cylinder 29, the bed frame rotating disc 30, the center limiting plate 31, the edge limiting plate 32, the sliding type split bed plate 33, the base square sleeve 34, the lifting frame square shaft 35, the lifting frame top threaded hole 36, the pressing plate through hole 37, the rotating disc center circular hole 38, the bed rotating disc locking hole 39, the bed plate side buckling groove 40, the telescopic frame rotating base 41, the telescopic sliding groove 42, the first sliding plate 43, the second sliding plate 43, the head supporting bandage 44, the head supporting bandage 45, the chin supporting bandage 46, the sliding plate arc groove 47, the welding type rack 48, the rotating locking base 49, the overturning driving motor 50, the ejecting type locking electric cylinder 51, the rotating base center hole 52, the rotating side hole 53, the motor output shaft 54 and the overturning locking pin.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in fig. 1, the reversible dual-purpose operating bed of the present invention comprises a self-pressure-equalizing end-guided side support device 1, a reversible bed frame 2, a corner-type telescopic push-up support device 3 and a steering support frame 4, wherein the self-pressure-equalizing end-guided side support device 1 is disposed on the reversible bed frame 2, the self-pressure-equalizing end-guided side support device 1 can simultaneously achieve the effects of pressure equalization and guidance without any pressure equalizing valve, the corner-type telescopic push-up support device 3 is symmetrically disposed on the reversible bed frame 2, the corner-type telescopic push-up support device 3 can support a patient in a push-up state after being unfolded, the reversible bed frame 2 is disposed on the steering support frame 4, two sets of the steering support frames 4 are symmetrically disposed, and the steering support frame 4 has the functions of supporting the reversible bed frame 2 and driving the reversible bed frame 2 to rotate.

As shown in fig. 1 to 5 and 9, the steering support frame 4 includes a welding type frame 47, two sets of rotation locking bases 48, a turning driving motor 49 and a pop-up locking electric cylinder 50, the welding type frame 47 is symmetrically provided with two sets, the rotation locking bases 48 are provided on the welding type frame 47, the rotation locking bases 48 are provided with rotation base center holes 51, the turning driving motor 49 is engaged with the rotation base center holes 51, the turning driving motor 49 serves to drive the turnable bed frame 2 to rotate, the turning driving motor 49 is provided with a motor output shaft 53, the rotation locking bases 48 are symmetrically provided with rotation base side holes 52, the pop-up locking electric cylinder 50 is engaged with the rotation base side holes 52, the pop-up locking electric cylinder 50 serves to fix the position of the turnable bed frame 2, and the pop-up locking electric cylinder 50 is provided with a pop-up locking pin 54.

As shown in fig. 1 to 5 and 7, the reversible bed frame 2 includes a bed frame lifting device 23 and a bottom bed plate dismounting device 24, the bed frame lifting device 23 is disposed on the steering support frame 4, and the bottom bed plate dismounting device 24 is symmetrically disposed on the bed frame lifting device 23; the bedstead lifting device 23 comprises a bedstead lifting base 25, a bedstead lifting frame 26, a top surface fixed pressing plate 27, a bedstead lifting electric cylinder 28 and a bedstead rotating disc 29, wherein the bedstead lifting base 25 is symmetrically provided with a base square sleeve 33, the bedstead lifting frame 26 is symmetrically provided with a lifting frame square shaft 34, the bedstead lifting frame 26 is slidably arranged in the base square sleeve 33 through the clamping of the lifting frame square shaft 34, the base square sleeve 33 and the lifting frame square shaft 34 play a guiding role, the bedstead lifting frame 26 is symmetrically provided with a lifting frame top threaded hole 35, the top surface fixed pressing plate 27 is symmetrically provided with a pressing plate through hole 36, the top surface fixed pressing plate 27 is in bolt connection with the lifting frame top threaded hole 35 through the pressing plate through hole 36, one end of the bedstead lifting electric cylinder 28 is arranged on the bedstead lifting base 25, the other end of the bedstead lifting electric cylinder 28 is arranged on the lifting frame 26, and the bedstead rotating disc 29 is arranged on the bedstead lifting base 25, the bedstead rotating disc 29 is fixedly connected with the bedstead lifting base 25, a rotating disc center round hole 37 is arranged on the bedstead rotating disc 29, the motor output shaft 53 is clamped in the rotating disc center round hole 37, the bedstead rotating disc 29 is annularly and uniformly provided with the bed rotating disc locking holes 38, and the overturning locking pin 54 is clamped and slidably arranged in the bed rotating disc locking holes 38; the bottom bed board dismounting device 24 comprises a center limit plate 30, an edge limit plate 31 and a sliding type split bed board 32, the center limit plate 30 is symmetrically arranged on the bed frame lifting base 25, the edge limit plate 31 is symmetrically arranged on a base square sleeve 33, the sliding type split bed board 32 is slidably arranged on the bed frame lifting base 25, the sliding type split bed board 32 can be detached in a sliding mode to provide an operation space for back operations, and a bed board side buckling groove 39 is formed in the sliding type split bed board 32.

As shown in fig. 1 and 8, the corner type stretching and retracting prone support device 3 comprises a telescopic frame rotating base 40, a telescopic chute 41, a first sliding plate 42, a second sliding plate 43, a head support bandage 44 and a chin support bandage 45, wherein the telescopic frame rotating base 40 is symmetrically arranged on the bedstead lifting frame 26, the telescopic chute 41 is rotatably arranged on the telescopic frame rotating base 40, the first sliding plate 42 is slidably arranged in the telescopic chute 41 in a clamping manner, the second sliding plate 43 is slidably arranged on the first sliding plate 42, the second sliding plate 43 is provided with a sliding plate arc-shaped groove 46, the head support bandage 44 is arranged on the arc-shaped air bag air inlet pipe 13, the chin support bandage 45 is arranged on the second sliding plate 43, the head support bandage 44 and the chin support bandage 45 are made of flexible materials, and the head of a patient can be supported without affecting respiration.

As shown in fig. 1, 2, 4, 6, 10 and 11, the self-equalizing end guide type side support device 1 comprises a self-equalizing guide device 5 and a side support protection device 6, the self-equalizing guide device 5 has a guide function, the self-equalizing guide device 5 is symmetrically arranged at two ends of the side support protection device 6, and the side support protection device 6 has a limit function and can prevent a patient from sliding when the patient is turned over; the self-pressure-equalizing type guiding device 5 comprises a semi-cantilever type guiding cylinder 7, an air inlet nozzle 8, a hollow type guiding piston rod 9 and a self-pressure-equalizing balance spring 10, wherein the semi-cantilever type guiding cylinder 7 is symmetrically arranged on a base square sleeve 33, a cylinder bottom round hole 15 is arranged on the semi-cantilever type guiding cylinder 7, the air inlet nozzle 8 is clamped in the cylinder bottom round hole 15, a cylinder top round hole 16 is arranged on the semi-cantilever type guiding cylinder 7, the hollow type guiding piston rod 9 is clamped and slidably arranged in the cylinder top round hole 16, the hollow type guiding piston rod 9 is in sliding sealing contact with the cylinder top round hole 16, a piston rod bottom piston plate 17 is arranged on the hollow type guiding piston rod 9, the hollow type guiding piston rod 9 is clamped and slidably arranged in the inner wall of the semi-cantilever type guiding cylinder 7 through the piston rod bottom piston plate 17, and the piston rod bottom piston plate 17 is in sliding sealing contact with the semi-cantilever type guiding cylinder 7, a piston rod center circular hole 18 is formed in the hollow guide piston rod 9, air can freely flow in the piston rod center circular hole 18, one end of the self-pressure-equalizing balance spring 10 is arranged on a piston plate 17 at the bottom of the piston rod, the other end of the self-pressure-equalizing balance spring 10 is arranged at a circular hole 16 at the top of the cylinder, the self-pressure-equalizing balance spring 10 can generate pre-tightening force on the hollow guide piston rod 9, the pre-tightening force is gradually increased along with the sliding of the hollow guide piston rod 9 (the compression of the self-pressure-equalizing balance spring 10), and the pre-tightening force is always equal to the gas pressure borne by the piston plate 17 at the bottom of the piston rod; the side supporting and protecting device 6 comprises a concave supporting air bag 11, a guiding connection top block 12, an arc air bag air inlet pipe 13 and an exhaust valve 14, wherein the concave supporting air bag 11 is arranged on a bedstead lifting base 25, the middle part of the concave supporting air bag 11 is concave, and can effectively limit a patient in the turning process and prevent the patient from sliding, an air bag end table 19 is symmetrically arranged on the concave supporting air bag 11, an air bag round hole 20 is arranged on the concave supporting air bag 11 on the air bag end table 19, one end of the arc air bag air inlet pipe 13 is clamped in the air bag round hole 20, the other end of the arc air bag air inlet pipe 13 is clamped in a piston rod central round hole 18, the gas in the semi-cantilever type guiding cylinder 7 and the concave supporting air bag 11 flows through the arc air bag air inlet pipe 13, an air bag top round table 21 is symmetrically arranged on the concave supporting air bag 11, and the exhaust valve 14 is clamped in the air bag top round table 21, the guide connecting jacking blocks 12 are symmetrically arranged at two ends of the concave supporting air bag 11, jacking block center avoiding holes 22 are formed in the guide connecting jacking blocks 12, the guide connecting jacking blocks 12 are fixedly connected with the hollow guide piston rods 9, and the exhaust valves 14 are located in the jacking block center avoiding holes 22.

When the patient needs to turn over to perform operation on the back of the patient, firstly, air is injected into the semi-cantilever type guide cylinder 7 through the air inlet nozzle 8, the semi-cantilever type guide cylinder 7 and the concave type support air bag 11 are communicated through the arc-shaped air bag air inlet pipe 13, so that the air pressure inside the concave type support air bag 11 and the semi-cantilever type guide cylinder 7 is always kept balanced, the concave type support air bag 11 is gradually supported along with the rise of the air pressure, meanwhile, the pressure applied to the piston plate 17 at the bottom of the piston rod by the air is gradually increased, so that the self-pressure-equalizing balance spring 10 is compressed, and in the process, the elastic force applied to the piston plate 17 at the bottom of the piston rod by the self-pressure-equalizing balance spring 10 is equal to the pressure applied to the piston plate 17 at the bottom of the piston rod by the air; after the inflation is completed, the corner type telescopic prone support device 3 is fixed by the top surface fixing press plate 27 after being rotated and unfolded, then the bed frame lifting frame 26 is lifted by the bed frame lifting electric cylinder 28, so as to adjust the corner type telescopic prone support device 3 to a proper height (the chin of the patient is attached to the chin supporting bandage 45, the forehead of the patient is attached to the head supporting bandage 44, the body of the patient is slightly contacted with the corner type telescopic prone support device 3), then the turnover locking pin 54 is retracted, then the bed frame can be turned over for half a circle by the rotation of the turnover driving motor 49, then the turnover locking pin 54 is extended and slid into the bed turntable locking hole 38, so as to fix the position of the turnover bed frame 2, finally the sliding type split bed plate 32 is slid and taken down and the air in the semi-cantilever type guiding cylinder 7 and the concave type supporting air bag 11 is discharged through the exhaust valve 14, so as to perform the operation when the patient is in the prone posture, the above is the overall working process of the invention, and the steps are repeated when the device is used next time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.