CN115624674B

CN115624674B - Auxiliary device for respiratory tract diagnosis

Info

Publication number: CN115624674B
Application number: CN202211438597.9A
Authority: CN
Inventors: 丁毅伟; 韩志海; 李泳群; 张燕; 张春阳
Original assignee: 6th Medical Center of PLA General Hospital
Current assignee: 6th Medical Center of PLA General Hospital
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-28
Anticipated expiration: 2042-11-17
Also published as: CN115624674A

Abstract

The invention belongs to the technical field of diagnosis assistance, and particularly relates to an auxiliary device for respiratory tract diagnosis, which comprises an auxiliary diagnosis main body, a degree of freedom adjusting mechanism, a chest expansion deep breathing auxiliary mechanism and a chest wall vibration type back beating auxiliary mechanism, wherein the chest expansion deep breathing auxiliary mechanism is arranged on the auxiliary diagnosis main body; the invention provides a thoracic expansion deep breathing auxiliary mechanism, which enables the thoracic cage to be expanded to the maximum extent through abdominal breathing by means of the mutual matching of an abdomen fitting assembly, a visual abdominal breathing feedback assembly, a first adjusting assembly and a second adjusting assembly, enables alveoli at the lower part of the lung to stretch and contract, enables more oxygen to enter the lung, and is beneficial to acquiring sputum samples.

Description

Auxiliary device for respiratory tract diagnosis

Technical Field

The invention belongs to the technical field of diagnosis assistance, and particularly relates to an auxiliary device for respiratory tract diagnosis.

Background

The detection of respiratory tract infection to hospital respiratory department includes sputum culture blood routine, urine routine, B ultrasonic X ray and other relevant diagnosis methods, sputum sample is required to be obtained before detection, and the existing artificial airway aspiration method needs professional medical staff to aspirate the sputum by negative pressure aspiration under the assistance of a respirator, so that the condition requirement is strict, and an auxiliary device for respiratory tract diagnosis is required to easily obtain the sputum sample.

Disclosure of Invention

Aiming at the situation, the invention provides an auxiliary device for respiratory tract diagnosis, which aims to solve the problems that the traditional artificial airway suction method needs to be carried out by professional medical staff, sputum is sucked out by negative pressure under the assistance of a respirator and the condition requirement is strict.

The technical scheme adopted by the invention is as follows: the invention provides an auxiliary device for respiratory tract diagnosis, which comprises an auxiliary diagnosis main body, a degree of freedom adjusting mechanism, a chest expansion deep breathing auxiliary mechanism and a chest wall vibration type back beating auxiliary mechanism, wherein the chest expansion deep breathing auxiliary mechanism is arranged on the auxiliary diagnosis main body; the chest expansion deep breathing auxiliary mechanism comprises an abdomen fitting component, a visual abdomen breathing feedback component, a first adjusting component and a second adjusting component, wherein the first adjusting component is arranged on one side of the auxiliary diagnosis main body, the second adjusting component is arranged on the other side of the auxiliary diagnosis main body, the abdomen fitting component is arranged on the first adjusting component, and the visual abdomen breathing feedback component is arranged on the abdomen fitting component.

Further, the auxiliary diagnosis main body comprises a support base, a support bottom post, a backrest, a first armrest and a second armrest, wherein the support bottom post is arranged at the lower end of the auxiliary diagnosis main body, the support base is arranged at the upper end of the support bottom post, the backrest is arranged on the support base, the first armrest is arranged on one side of the backrest, and the second armrest is arranged on the other side of the backrest.

Further, the first adjusting component comprises a first motor, a screw rod, a bearing and a sleeve, the first motor is arranged at one inner end of the first handrail, the bearing is arranged at the other inner end of the first handrail, one end of the screw rod is arranged at the output end of the first motor, the other end of the screw rod is arranged on the bearing, the sleeve is sleeved on the screw rod, and the screw rod is in threaded connection with the sleeve.

Further, the second adjusting component is arranged in the second handrail, and the second adjusting component and the first adjusting component have the same structure.

Further, the abdomen laminating subassembly includes auxiliary block one, auxiliary block two, hinge one, hinge two and connecting piece, auxiliary block one is located on the degree of freedom guiding mechanism, one side of auxiliary block one is located to hinge one, on the hinge one is located to the one end of connecting piece, the other end of connecting piece is located to hinge two, on hinge two is located to one side of auxiliary block two.

Further, the visual abdominal breathing feedback assembly comprises an air bag, a contact block, a first feedback pipe, a second feedback pipe, a first spring, a piston, a balloon and a vent pipe, wherein the vent pipe is arranged in the first auxiliary block, one end of the second feedback pipe is communicated with one end of the vent pipe, the piston is slidably arranged in the second feedback pipe, one end of the first spring is arranged on one side of the piston, the other end of the first spring is arranged on one end of the second feedback pipe, one end of the first feedback pipe is arranged on one side of the piston, the contact block is arranged on the other side of the first feedback pipe, the air bag is arranged on one side of the contact block, and the balloon is arranged on the other end of the vent pipe.

Further, the chest wall vibration type back beating auxiliary mechanism comprises an elastic buffer component and an intermittent driving component, wherein the elastic buffer component is arranged in the backrest, and the intermittent driving component is arranged in the backrest.

Further, the intermittent type formula drive assembly includes motor two, mounting, connecting rod one, connecting rod two, connecting axle and hinge three, the mounting is located on the back inside wall, the one end of mounting is located to motor two, the output of motor two is located to the one end of connecting rod one, the other end of connecting rod one is located to the connecting axle, the one end rotation of connecting rod two is cup jointed and is located on the connecting axle, the other end of connecting axle is located to hinge three.

Further, the elastic buffer component comprises a sliding groove, a sliding block, a first back beating pipe, a second spring, a back beating plate and a buffer rubber layer, wherein the sliding groove is arranged in the backrest, the sliding block is arranged in the sliding groove in a sliding mode, the side wall of the first back beating pipe is arranged at the lower end of the sliding block, one end of the outer wall of the first back beating pipe is arranged on a third hinge, one end of the second spring is arranged on one side of the inner wall of the first back beating pipe, one end of the second back beating pipe is arranged at the other end of the second spring, the back beating plate is arranged at the other end of the second back beating pipe, and the buffer rubber layer is arranged on one side of the back beating plate.

Further, the degree of freedom guiding mechanism includes fastener, buckle, hinge IV, hinge V, multistage telescopic cylinder I and multistage telescopic cylinder II, multistage telescopic cylinder I locates on the sleeve pipe, hinge IV locates multistage telescopic cylinder I's output, on the hinge IV was located to belly laminating subassembly's one end, the other end of belly laminating subassembly is located to hinge V, on the hinge V was located to the fastener, multistage telescopic cylinder II locates on the second guiding subassembly, the output of multistage telescopic cylinder II is located to the buckle, the fastener can be dismantled and locate on the buckle.

The beneficial effects obtained by the invention by adopting the structure are as follows: the invention provides an auxiliary device for respiratory tract diagnosis, which has the following beneficial effects:

(1) In order to expand the thoracic cage to the maximum extent through abdominal respiration, and enable alveoli at the lower part of the lung to stretch and enable more oxygen to enter the lung, the invention provides a thoracic cage expansion deep respiration auxiliary mechanism, and the acquisition of a sputum sample is facilitated through the mutual matching of an abdomen attaching assembly, a visual abdominal respiration feedback assembly, a first adjusting assembly and a second adjusting assembly.

(2) In order to further improve practicality and generalizability, the invention provides a chest wall vibration type back beating auxiliary mechanism, wherein the elastic buffer component and the intermittent driving component are matched with each other, the airway of a patient is vibrated through the chest wall, secretion attached to the lung and bronchus is separated, and phlegm is discharged out of the body through cough.

(3) The second spring is used for buffering the impact force of beating and protecting the inspector.

(4) The air in the feedback tube II is extruded into the balloon, the balloon volume is increased, and the air is used for ensuring the correct breathing mode of the detector.

(5) The arrangement of the freedom degree adjusting mechanism is beneficial to the abdomen attaching assembly to attach to the abdomen of a patient.

Drawings

FIG. 1 is a front view of an auxiliary device for respiratory tract diagnosis according to the present invention;

FIG. 2 is a right side cross-sectional view of an auxiliary device for respiratory tract diagnosis according to the present invention;

FIG. 3 is a top cross-sectional view of an auxiliary device for respiratory tract diagnosis according to the present invention;

FIG. 4 is a top view of an auxiliary device for respiratory tract diagnosis according to the present invention;

FIG. 5 is a schematic view of the initial state of the thoracic expansion deep breathing assistance mechanism;

FIG. 6 is a schematic view of the use state of the thoracic expansion deep breathing assistance mechanism;

FIG. 7 is a schematic diagram of an auxiliary block;

FIG. 8 is a schematic diagram of an auxiliary block in use;

FIG. 9 is an enlarged partial view of portion A of FIG. 2;

fig. 10 is a partial enlarged view of a portion B in fig. 5.

Wherein, 1, an auxiliary diagnosis main body, 2, a chest expansion deep breathing auxiliary mechanism, 3, a chest wall vibration type back beating auxiliary mechanism, 4, a degree of freedom adjusting mechanism, 5, a supporting base, 6, a supporting bottom post, 7, a backrest, 8, a first armrest, 9, a second armrest, 10, an abdomen attaching component, 11, a visual abdomen breathing feedback component, 12, an adjusting component I, 13, an adjusting component II, 14, an auxiliary block I, 15, an auxiliary block II, 16, a hinge I, 17, a hinge II, 18, a connecting piece, 19, an air bag, 20, a contact block, 21, a feedback pipe I, 22, a feedback pipe II, 23 and a spring I, 24, a piston, 25, a balloon, 26, a vent pipe, 28, a motor I, 29, a lead screw, 30, a bearing, 31, a sleeve, 32, an elastic buffer component, 33, an intermittent driving component, 34, a chute, 35, a sliding block, 36, a back beating pipe I, 37, a back beating pipe II, 38, a spring II, 39, a back beating plate, 40, a buffer rubber layer, 41, a motor II, 42, a fixing piece, 43, a connecting rod I, 44, a connecting rod II, 45, a connecting shaft, 46, a hinge III, 47, a clamping piece, 48, a buckle, 49, a hinge IV, 50, a hinge V, 51, a multi-stage telescopic cylinder I, 52 and a multi-stage telescopic cylinder II.

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As shown in fig. 1-10, the invention provides an auxiliary device for respiratory tract diagnosis, which comprises an auxiliary diagnosis main body 1, a degree of freedom adjusting mechanism 4, a chest expansion deep breathing auxiliary mechanism 2 and a chest wall vibration type back beating auxiliary mechanism 3, wherein the chest expansion deep breathing auxiliary mechanism 2 is arranged on the auxiliary diagnosis main body 1, the chest wall vibration type back beating auxiliary mechanism 3 is arranged in the auxiliary diagnosis main body 1, and the degree of freedom adjusting mechanism 4 is arranged on the chest expansion deep breathing auxiliary mechanism 2; the chest expansion deep breathing auxiliary mechanism 2 comprises an abdomen fitting component 10, a visual abdomen breathing feedback component 11, a first adjusting component 12 and a second adjusting component 13, wherein the first adjusting component 12 is arranged on one side of the auxiliary diagnosis main body 1, the second adjusting component 13 is arranged on the other side of the auxiliary diagnosis main body 1, the abdomen fitting component 10 is arranged on the first adjusting component 12, and the visual abdomen breathing feedback component 11 is arranged on the abdomen fitting component 10.

The auxiliary diagnosis main body 1 comprises a support base 5, a support bottom post 6, a backrest 7, a first armrest 8 and a second armrest 9, wherein the support bottom post 6 is arranged at the lower end of the auxiliary diagnosis main body 1, the support base 5 is arranged at the upper end of the support bottom post 6, the backrest 7 is arranged on the support base 5, the first armrest 8 is arranged on one side of the backrest 7, and the second armrest 9 is arranged on the other side of the backrest 7.

The chest wall vibration type back beating auxiliary mechanism 3 comprises an elastic buffer component 32 and an intermittent driving component 33, wherein the elastic buffer component 32 is arranged in the backrest 7, and the intermittent driving component 33 is arranged in the backrest 7.

The intermittent driving assembly 33 comprises a second motor 41, a fixing piece 42, a first connecting rod 43, a second connecting rod 44, a connecting shaft 45 and a third hinge 46, wherein the fixing piece 42 is arranged on the inner side wall of the backrest 7, the second motor 41 is arranged at one end of the fixing piece 42, one end of the first connecting rod 43 is arranged at the output end of the second motor 41, the connecting shaft 45 is arranged at the other end of the first connecting rod 43, one end of the second connecting rod 44 is rotatably sleeved on the connecting shaft 45, and the third hinge 46 is arranged at the other end of the connecting shaft 45.

The elastic buffer assembly 32 comprises a sliding groove 34, a sliding block 35, a first back beating tube 36, a second back beating tube 37, a second spring 38, a back beating plate 39 and a buffer rubber layer 40, wherein the sliding groove 34 is arranged in the backrest 7, the sliding block 35 is arranged in the sliding groove 34 in a sliding manner, the side wall of the first back beating tube 36 is arranged at the lower end of the sliding block 35, one end of the outer wall of the first back beating tube 36 is arranged on a third hinge 46, one end of the second spring 38 is arranged at one side of the inner wall of the first back beating tube 36, one end of the second back beating tube 37 is arranged at the other end of the second spring 38, the back beating plate 39 is arranged at the other end of the second back beating tube 37, and the buffer rubber layer 40 is arranged at one side of the back beating plate 39.

The freedom degree adjusting mechanism 4 comprises a clamping piece 47, a buckle 48, a hinge IV 49, a hinge V50, a multi-stage telescopic cylinder I51 and a multi-stage telescopic cylinder II 52, wherein the multi-stage telescopic cylinder I51 is arranged on the sleeve 31, the hinge IV 49 is arranged at the output end of the multi-stage telescopic cylinder I51, one end of the abdomen fitting component 10 is arranged on the hinge IV 49, the hinge V50 is arranged at the other end of the abdomen fitting component 10, the clamping piece 47 is arranged on the hinge V50, the multi-stage telescopic cylinder II 52 is arranged on the adjusting component II 13, the buckle 48 is arranged at the output end of the multi-stage telescopic cylinder II 52, and the clamping piece 47 is detachably arranged on the buckle 48.

The first adjusting component 12 comprises a first motor 28, a screw rod 29, a bearing 30 and a sleeve 31, wherein the first motor 28 is arranged at one end in the first handrail 8, the bearing 30 is arranged at the other end in the first handrail 8, one end of the screw rod 29 is arranged at the output end of the first motor 28, the other end of the screw rod 29 is arranged on the bearing 30, the sleeve 31 is sleeved on the screw rod 29, and the screw rod 29 is in threaded connection with the sleeve 31.

The second adjusting component 13 is arranged in the second handrail 9, and the second adjusting component 13 and the first adjusting component 12 have the same structure.

The abdomen fitting assembly 10 comprises an auxiliary block I14, an auxiliary block II 15, a hinge I16, a hinge II 17 and a connecting piece 18, wherein the auxiliary block I14 is arranged on the freedom degree adjusting mechanism 4, the hinge I16 is arranged on one side of the auxiliary block I14, one end of the connecting piece 18 is arranged on the hinge I16, the hinge II 17 is arranged on the other end of the connecting piece 18, and one side of the auxiliary block II 15 is arranged on the hinge II 17.

The visual abdominal breathing feedback assembly 11 comprises an air bag 19, a contact block 20, a first feedback pipe 21, a second feedback pipe 22, a first spring 23, a piston 24, a balloon 25 and a vent pipe 26, wherein the vent pipe 26 is arranged in the first auxiliary block 14, one end of the second feedback pipe 22 is communicated with one end of the vent pipe 26, the piston 24 is slidably arranged in the second feedback pipe 22, one end of the first spring 23 is arranged on one side of the piston 24, the other end of the first spring 23 is arranged on one end of the second feedback pipe 22, one end of the first feedback pipe 21 is arranged on one side of the piston 24, the contact block 20 is arranged on the other side of the first feedback pipe 21, the air bag 19 is arranged on one side of the contact block 20, and the balloon 25 is arranged on the other end of the vent pipe 26.

When the abdomen fitting assembly 10 is contacted with the abdomen of the inspector, the output end of the first multi-stage telescopic cylinder 51 is moved, the output end of the second multi-stage telescopic cylinder 52 is moved, the abdomen fitting assembly 10 is fitted on the abdomen of the inspector, the air bag 19 is extruded when the inspector breathes in the abdomen, the air bag 19 is moved to drive the contact block 20 to move, the contact block 20 is moved to drive the feedback tube 21 to move inwards, the air in the feedback tube 22 is extruded into the balloon 25, the balloon 25 has a larger volume for ensuring the correct respiration mode of the inspector, five to six times is repeated, the chest is expanded to the maximum extent through abdominal respiration, the alveoli at the lower part of the lung are expanded, more oxygen enters the lung to be beneficial to the acquisition of sputum samples, when the inspector begins to expectorate, the output end of the motor II 41 rotates to drive the connecting rod I43 to rotate, one end of the connecting rod I43 rotates to drive one end of the connecting rod II 44 to rotate, the connecting rod II 44 rotates to drive the back beating tube I36 to reciprocate, the sliding block 35 is limited in the sliding groove 34 to ensure the straightness of the movement of the back beating tube I36, the back beating tube I36 reciprocates to drive the back beating plate 39 to reciprocate, the back beating plate 39 reciprocates to beat the back of the inspector, the patient airway is vibrated through the chest wall to enable secretion adhered to the lung and bronchus to fall off, the sputum is discharged out of the body through the cough, the second spring 38 is used for buffering the impact force of beating and protecting the inspector, so that the whole working flow of the invention is realized, and the step is repeated when the sputum is used next time.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims

1. An auxiliary device for respiratory tract diagnosis, comprising an auxiliary diagnostic body (1) and a degree of freedom adjustment mechanism (4), characterized in that: the auxiliary device for respiratory tract diagnosis further comprises a chest expansion deep breathing auxiliary mechanism (2) and a chest wall vibration type back beating auxiliary mechanism (3), wherein the chest expansion deep breathing auxiliary mechanism (2) is arranged on the auxiliary diagnosis main body (1), the chest wall vibration type back beating auxiliary mechanism (3) is arranged in the auxiliary diagnosis main body (1), and the freedom degree adjusting mechanism (4) is arranged on the chest expansion deep breathing auxiliary mechanism (2); the chest expansion deep breathing auxiliary mechanism (2) comprises an abdomen attaching component (10), a visual abdomen breathing feedback component (11), an adjusting component I (12) and an adjusting component II (13), wherein the adjusting component I (12) is arranged on one side of the auxiliary diagnosis main body (1), the adjusting component II (13) is arranged on the other side of the auxiliary diagnosis main body (1), the abdomen attaching component (10) is arranged on the adjusting component I (12), and the visual abdomen breathing feedback component (11) is arranged on the abdomen attaching component (10); the auxiliary diagnosis main body (1) comprises a support base (5), a support bottom post (6), a backrest (7), a first handrail (8) and a second handrail (9), wherein the support bottom post (6) is arranged at the lower end of the auxiliary diagnosis main body (1), the support base (5) is arranged at the upper end of the support bottom post (6), the backrest (7) is arranged on the support base (5), the first handrail (8) is arranged at one side of the backrest (7), and the second handrail (9) is arranged at the other side of the backrest (7); the first adjusting component (12) comprises a first motor (28), a screw rod (29), a bearing (30) and a sleeve (31), wherein the first motor (28) is arranged at one end in the first handrail (8), the bearing (30) is arranged at the other end in the first handrail (8), one end of the screw rod (29) is arranged at the output end of the first motor (28), the other end of the screw rod (29) is arranged on the bearing (30), the sleeve (31) is sleeved on the screw rod (29), and the screw rod (29) is in threaded connection with the sleeve (31); the second adjusting component (13) is arranged in the second handrail (9), and the second adjusting component (13) and the first adjusting component (12) have the same structure; the abdomen fitting assembly (10) comprises an auxiliary block I (14), an auxiliary block II (15), a hinge I (16), a hinge II (17) and a connecting piece (18), wherein the auxiliary block I (14) is arranged on the freedom degree adjusting mechanism (4), the hinge I (16) is arranged on one side of the auxiliary block I (14), one end of the connecting piece (18) is arranged on the hinge I (16), the hinge II (17) is arranged on the other end of the connecting piece (18), and one side of the auxiliary block II (15) is arranged on the hinge II (17); the visual abdominal breathing feedback assembly (11) comprises an air bag (19), a contact block (20), a first feedback tube (21), a second feedback tube (22), a first spring (23), a piston (24), a balloon (25) and a vent tube (26), wherein the vent tube (26) is arranged in the first auxiliary block (14), one end of the second feedback tube (22) is arranged at one end of the vent tube (26) in a penetrating manner, the piston (24) is slidably arranged in the second feedback tube (22), one end of the first spring (23) is arranged at one side of the piston (24), the other end of the first spring (23) is arranged at one end of the second feedback tube (22), one end of the first feedback tube (21) is arranged at one side of the piston (24), the contact block (20) is arranged at the other side of the first feedback tube (21), the air bag (19) is arranged at one side of the contact block (20), and the balloon (25) is arranged at the other end of the vent tube (26); the chest wall vibration type back beating auxiliary mechanism (3) comprises an elastic buffer assembly (32) and an intermittent driving assembly (33), wherein the elastic buffer assembly (32) is arranged in the backrest (7), and the intermittent driving assembly (33) is arranged in the backrest (7); the intermittent driving assembly (33) comprises a motor II (41), a fixing piece (42), a connecting rod I (43), a connecting rod II (44), a connecting shaft (45) and a hinge III (46), wherein the fixing piece (42) is arranged on the inner side wall of the backrest (7), one end of the fixing piece (42) is arranged on the motor II (41), one end of the connecting rod I (43) is arranged at the output end of the motor II (41), the connecting shaft (45) is arranged at the other end of the connecting rod I (43), one end of the connecting rod II (44) is rotatably sleeved on the connecting shaft (45), and the hinge III (46) is arranged at the other end of the connecting shaft (45); the elastic buffer assembly (32) comprises a sliding groove (34), a sliding block (35), a first back beating tube (36), a second back beating tube (37), a second spring (38), a back beating plate (39) and a buffer rubber layer (40), wherein the sliding groove (34) is arranged in the backrest (7), the sliding block (35) is arranged in the sliding groove (34) in a sliding mode, the side wall of the first back beating tube (36) is arranged at the lower end of the sliding block (35), one end of the outer wall of the first back beating tube (36) is arranged on a third hinge (46), one end of the second spring (38) is arranged on one side of the inner wall of the first back beating tube (36), one end of the second back beating tube (37) is arranged on the other end of the second spring (38), the back beating plate (39) is arranged on the other end of the second back beating tube (37), and the buffer rubber layer (40) is arranged on one side of the back beating plate (39). The freedom degree adjusting mechanism (4) comprises a clamping piece (47), a buckle (48), a hinge IV (49), a hinge V (50), a multi-stage telescopic cylinder I (51) and a multi-stage telescopic cylinder II (52), wherein the multi-stage telescopic cylinder I (51) is arranged on the sleeve (31), the hinge IV (49) is arranged at the output end of the multi-stage telescopic cylinder I (51), one end of the abdomen attaching component (10) is arranged on the hinge IV (49), the hinge V (50) is arranged at the other end of the abdomen attaching component (10), the clamping piece (47) is arranged on the hinge V (50), the multi-stage telescopic cylinder II (52) is arranged on the adjusting component II (13), the buckle (48) is arranged at the output end of the multi-stage telescopic cylinder II (52), and the clamping piece (47) is detachably arranged on the buckle (48); the auxiliary blocks are connected with the auxiliary block I (14) and the auxiliary block II (15) in the same connection mode to form a chain assembly, and two ends of the chain assembly are respectively connected with the left sleeve (31) and the right sleeve (31) through the multistage telescopic cylinder I (51) and the multistage telescopic cylinder II (52) in the use process.