CN214971271U - Fixing device for controlling respiration in tumor radiotherapy - Google Patents

Abstract

The utility model relates to a respiratory fixing device of control in tumour radiotherapy, including supporting base, sideslip mechanism, belly extrusion mechanism, two positioning sensor, oxygen jar and controller. The upper part of the supporting base is provided with a supporting column, the supporting column is provided with a transverse rail, the middle part of the transverse rail is provided with a moving perforation, and two ends of the moving perforation are provided with two sliding rails; the transverse moving mechanism is arranged on the transverse rail; the abdomen extrusion mechanism is arranged at the lower end of the transverse moving mechanism; the two positioning sensors are correspondingly arranged at the two ends below the abdomen extrusion mechanism; the oxygen tank is arranged on the supporting base, and an air outlet pipe of the oxygen tank is connected with an oxygen mask; the controller is respectively and electrically connected with the transverse moving mechanism, the abdomen extruding mechanism, the positioning sensor and the electromagnetic valve. The utility model discloses a respiratory fixing device of control in tumour radiotherapy, intelligent degree is high, has reduced the injury that causes patient's healthy position, has good practical value and popularization and application and worth.

Description

Fixing device for controlling respiration in tumor radiotherapy

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a respiratory fixing device of control in tumour radiotherapy.

Background

The basic requirement of the tumor precise radiotherapy technology is that the final curative effect of the tumor reaches three high and one low, namely high precision, high dosage, high curative effect and low damage. However, the respiratory motion of the lung organ causes a synchronous respiratory motion of the lung tumor, which is constantly shifted from the rest position of the irradiation spot, and the tumor position may exceed the irradiation area established in the radiotherapy plan. In order to overcome the influence of respiratory motion on tumor radiotherapy, a respiratory control technology is often applied in radiotherapy to improve the dynamic tumor cure rate and reduce the peripheral normal tissue complications, various body position fixing devices are often adopted clinically to limit the movement of body positions, and therefore the development of the body position fixing technology has important significance for improving the positioning precision.

The existing body position fixing devices need medical care personnel to assist patients to fix, and cannot automatically move and position according to the positions of the patients, so that great difficulty is brought to the patients who are not convenient to move. In addition, the degree of difficulty that current position fixing device can increase patient's breathing to patient's lung centre gripping extrusion reduces patient's depth of respiration, makes the content that the patient inhaled oxygen reduce, uses for a long time down, and the patient can slight oxygen deficiency to can make patient deep breathing by a great margin more, then make patient's lung form bigger fluctuation, this has undoubtedly caused bigger injury to patient's healthy position.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the fixing device for controlling the breathing in the tumor radiotherapy is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a respiratory fixing device of control in tumour radiotherapy, include:

a support base;

the supporting column is vertically arranged in the middle of the supporting base;

the horizontal rail is horizontally arranged, one end of the horizontal rail is connected with the top end of the supporting column, a moving through hole is formed in the middle of the horizontal rail along the length direction of the horizontal rail, and two sliding rails are arranged on two sides of the moving through hole;

the transverse moving mechanism is arranged on the transverse rail and is arranged in the two sliding rails in a sliding manner through a plurality of rollers on two sides of the top end of the transverse moving mechanism;

the lung extrusion mechanism is arranged at the lower end of the transverse moving mechanism and is used for extruding the lung of the patient under the driving of the transverse moving mechanism;

the two positioning sensors are correspondingly arranged at the bottoms of the two ends of the lung extrusion mechanism and are used for positioning a patient;

the oxygen tank is arranged on the supporting base and is connected with the oxygen mask through an oxygen outlet pipe, and the oxygen outlet pipe is provided with an electromagnetic valve;

and the controller is arranged on the support base and is respectively electrically connected with the transverse moving mechanism, the lung extrusion mechanism, the positioning sensor and the electromagnetic valve.

Further, in the fixing device, the fixing device further includes:

the lifting device is arranged at the upper end of the supporting column, the telescopic shaft at the top end is fixedly connected with the transverse rail, and the lifting device is electrically connected with the controller.

Further, in the fixing device, the traversing mechanism includes:

the supporting block is arranged at the top end of the transverse rail, and a plurality of rollers corresponding to the two sliding rails are arranged at the two side ends of the supporting block;

the two motors are correspondingly arranged at the two ends of the supporting block, the output shafts of the motors are coaxially and fixedly connected with the corresponding rollers, and the motors are electrically connected with the controller.

Further, in the fixing device, the traversing mechanism further includes:

and the two travel switches are correspondingly arranged on the two motors and are electrically connected with the controller.

Further, in the fixing device, the lung compressing mechanism includes:

the upper end of the first connecting block penetrates through the moving through hole to be fixedly connected with the lower end of the transverse moving mechanism;

the second connecting block is fixedly arranged at the lower end of the first connecting block;

and the two clamping structures are correspondingly hinged to the lower end of the first connecting block, and the inner side of the upper end of each clamping structure is fixedly connected with the side wall of the second connecting block.

Further preferably, in the fixing device, the clamping structure includes:

the upper end of the L-shaped clamping plate is hinged to the bottom end of the first connecting block;

and the electric telescopic rods are arranged on two sides of the second connecting block, and telescopic shafts of the electric telescopic rods are hinged with the upper ends of the L-shaped clamping plates.

Still more preferably, in the fixing device, the clamping mechanism further includes:

and the air cushion is arranged on the inner side of the lower end of the L-shaped clamping plate in a covering manner.

Further preferably, in the fixing device, the fixing device further includes:

the extrusion plate, the extrusion plate set up in the bottom of second connecting block.

Further, in the fixing device, the fixing device further includes:

and the universal wheels are correspondingly arranged at the four corners of the bottom of the supporting base.

Further, in the fixing device, the positioning sensor is a distance sensor, an infrared sensor or a proximity sensor.

The above technical scheme is adopted in the utility model, compared with the prior art, following technological effect has:

(1) the fixing device for controlling respiration in tumor radiotherapy of the utility model has the advantages that the lung extrusion mechanism is arranged at the bottom end of the transverse moving mechanism, and the controller can adjust the position of the lung extrusion mechanism according to the position of a patient to extrude the lung of the patient, so that the patient can be prevented from moving, and the problem of difficult positioning of the patient inconvenient to move is solved;

(2) the clamping structure can be rotatably arranged on the first connecting block, so that patients with different body types can be clamped and extruded;

(3) the lifting device is arranged on the supporting column, so that the height of the lung extrusion mechanism can be adjusted, and a patient can be clamped and fixed conveniently;

(4) the oxygen tank is arranged on the supporting base and connected with the oxygen mask, so that deep breathing caused by oxygen deficiency when a patient is extruded can be avoided, fluctuation of the lung of the patient due to breathing is reduced, and radiation to healthy parts of the patient is reduced;

(5) the utility model discloses a respiratory fixing device of control in tumour radiotherapy, intelligent degree is high, has reduced the injury that causes patient's healthy position, has good practical value and popularization and application and worth.

Drawings

Fig. 1 is a schematic structural view of a respiratory control fixing device for tumor radiotherapy of the present invention;

FIG. 2 is a schematic view of a partially enlarged structure of the part A of the respiratory control fixing device for radiotherapy of tumor;

FIG. 3 is a schematic structural view of a transverse rail of a respiratory control fixing device for radiotherapy of tumor;

FIG. 4 is a cross-sectional view of a cross rail of a respiratory control fixing device for radiotherapy of tumor;

FIG. 5 is a schematic structural view of a lung squeezing mechanism of a respiratory control fixing device in tumor radiotherapy according to the present invention;

FIG. 6 is a schematic view of a partially enlarged structure of the part B of the respiratory control fixing device for radiotherapy of tumor;

wherein the reference symbols are:

1. a support base; 2. a support pillar; 3. a transverse rail; 4. moving the perforation; 5. a slide rail; 6. a traversing mechanism; 7. a roller; 8. a lung extrusion mechanism; 9. a positioning sensor; 10. an oxygen tank; 11. an electromagnetic valve; 12. an oxygen mask; 13. a controller; 14. a lifting device; 15. a support block; 16. a motor; 17. a travel switch; 18. a first connection block; 19. a second connecting block; 20. a clamping structure; 21. a clamping plate; 22. an electric telescopic rod; 23. an air cushion; 24. a pressing plate; 25. a universal wheel.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like as used herein are used in the description to indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The utility model provides a respiratory fixing device of control among tumour radiotherapy, as shown in figure 1 ~ 5, including supporting base 1, sideslip mechanism 6, lung's extrusion mechanism 8, two positioning sensor 9, oxygen jar 10 and controller 13.

As shown in fig. 1 and 3, a supporting column 2 is vertically arranged in the middle of the top end of a supporting base 1, a transverse rail 3 is horizontally arranged at the upper end of the supporting column 2, one end of the transverse rail 3 is connected with the top end of the supporting column (2), a moving perforation 4 is formed in the middle of the transverse rail 3 along the length direction of the transverse rail, two sliding rails 5 are formed at two ends of the moving perforation 4, the transverse rail 3 is used for installing and supporting a transverse moving mechanism 6, and the transverse moving mechanism 6 can move along the transverse rail 3 so as to position patients at different positions.

Alternatively, the support base 1 may be provided in a cylindrical structure, or may be provided in a square structure.

Alternatively, the cross rail 3 is provided in a square configuration to facilitate mounting of the cross-travel mechanism 6.

The moving through hole 4 is opened along the extending direction of the transverse rail 3, and the slide rail 5 is arranged in parallel with the moving through hole 4 so that the transverse moving mechanism 6 can move along the extending direction of the transverse rail 3.

The transverse moving mechanism 6 is arranged on the transverse rail 3, and is arranged in the two sliding rails 5 in a sliding manner through a plurality of idler wheels 7 on two sides of the top end of the transverse moving mechanism for driving the lung extruding mechanism 8 to move along the transverse rail 3, so that the lung extruding mechanism 8 can clamp and fix patients at different positions.

Wherein the transverse moving mechanism 6 can reciprocate along the extending direction of the transverse rail 3.

In some of these embodiments, as shown in fig. 2, the traversing mechanism 6 comprises a support block 15 and two motors 16.

The supporting block 15 is arranged above the transverse rail 3, a plurality of idler wheels 7 corresponding to the two slide rails 5 are arranged at four corners of the lower end of the supporting block 15, and the supporting block 15 can move along the slide rails 5 through the idler wheels 7.

The two motors 16 are correspondingly arranged at two ends of the supporting block 15, output shafts of the motors 16 are coaxially and fixedly connected with the corresponding rollers 7, and the motors 16 are electrically connected with the controller 13. The motor 16 is used for driving the roller 7 to rotate, thereby driving the supporting block 15 to move.

Wherein the motor 16 is a counter-rotating motor.

Specifically, under the condition that the motor 16 is operated, the motor 16 drives the roller 7 to rotate on the slide rail 5, so that the roller 7 drives the supporting block 15 to move.

In some embodiments, the traversing mechanism 6 further includes two travel switches 17, and the two travel switches 17 are correspondingly disposed on the two motors 16 and are respectively electrically connected to the corresponding motors 16 and the controller 13, so as to control the motors 16 to rotate forward and backward, and prevent the motors 16 from driving the rollers 7 to move to the outside of the sliding rail 5.

As shown in fig. 1, the lung compressing mechanism 8 is disposed at the lower end of the traverse mechanism 6 and below the traverse rail 3, and is used for compressing the lung of the patient under the driving of the traverse mechanism 6, so as to reduce the fluctuation generated in the lung of the patient.

Wherein, the lung pressing mechanism 8 can be arranged to be attached to the lung of the patient so as to press the lung of the patient.

Alternatively, the top end of the lung squeezing mechanism 8 is fixedly connected to the lower end of the supporting block 15 through the moving through hole 4, so that the supporting block 15 drives the lung squeezing mechanism 8 to move under the condition that the supporting block 15 moves along the slide rail 5.

In some of these embodiments, as shown in fig. 4, the lung compression mechanism 8 includes a first connecting block 18, a second connecting block 19, and two clamping structures 20.

The upper end of the first connecting block 18 passes through the mobile through hole 4 and is fixedly connected with the lower end of the transverse moving mechanism 6; the second connecting block 19 is fixedly arranged at the lower end of the first connecting block 18; the two clamping structures 20 are correspondingly hinged to the lower end of the first connecting block 18, and the inner sides of the upper ends of the two clamping structures 20 are fixedly connected with the side wall of the second connecting block 19, so that the two clamping structures can turn over.

Alternatively, the first connection block 18 is fixedly connected to the lower end of the support block 15, so that the first connection block 18 can move in the moving through-hole 4 as the support block 15 moves.

In some of these embodiments, the first connecting block 18 may be detachably connected to the lower end of the supporting block 15.

Wherein the clamp structure 20 is able to rotate about its connection with the first connecting block 18.

For example, a rotating column is provided on the side wall of the first connecting block 18, and a rotating hole is provided on the top end of the clamping structure 20, so that the clamping structure 20 can rotate around the rotating column when the rotating hole of the clamping structure 20 is sleeved on the rotating column.

In some of these embodiments, as shown in fig. 5, the clamp structure 20 includes an L-shaped clamp plate 21 and an electric telescopic rod 22.

The upper end of the L-shaped clamping plate 21 is hinged to the bottom end of the first connecting block 18 and can rotate and turn around the connection position of the L-shaped clamping plate and the first connecting block 18; electric telescopic handle 22 sets up in the inboard of grip block 21, and electric telescopic handle 22's telescopic shaft is connected with the upper end of L type grip block 21 is articulated, and electric telescopic handle 22's base and second connecting block 19's lateral wall fixed connection for drive grip block 21 rotates the upset.

Specifically, under the condition that the telescopic shaft of the electric telescopic rod 22 is extended outwards, the electric telescopic rod 22 drives the clamping plate 21 to rotate outwards or turn over around the connecting position of the clamping plate 21 and the first connecting block 18, so that the clamping plate 21 can clamp a patient with a large body size; under the condition that the telescopic shaft of the electric telescopic rod 22 is inwards telescopic, the electric telescopic rod 22 drives the clamping plate 21 to inwards rotate or turn around the connecting position of the clamping plate 21 and the first connecting block 18 so as to shrink the clamping plate 21 or clamp and fix a patient with a small body size.

Wherein, the holding plate 21 can be provided in an arc-shaped structure, L-shaped structure to fit the body of the patient.

In some embodiments, the electric telescopic rod 22 has a slot at the end of the telescopic shaft, the holding plate 21 has a rotating shaft, and the electric telescopic rod 22 can rotate around the rotating shaft under the condition that the slot on the electric telescopic rod 22 is sleeved on the rotating shaft.

In some of these embodiments, the lower end of the holding plate 21 may be provided as a telescopic plate to facilitate holding of a patient with a large size.

In some of these embodiments, the clamping structure 20 further comprises an air cushion 23.

The air cushion 23 covers the inner side of the clamping plate 21 for sufficiently clamping and fixing the patient and preventing the clamping plate 21 from being hard and causing additional pain to the patient.

Specifically, under the condition that the medical staff clamps and fixes the lung of the patient, the medical staff uses the inflation device to inflate the air cushion 23, so that the air cushion 23 is inflated to further clamp and fix the patient and protect the patient.

The two positioning sensors 9 are correspondingly arranged at the bottoms of the two ends of the lung extrusion mechanism 8 and used for positioning the patient so as to position the patient, and then the transverse moving mechanism 6 drives the lung extrusion mechanism 8 to move right above the patient according to the position of the patient detected by the positioning sensors 9.

Wherein, the positioning sensor 9 can be arranged at the bottom end of the clamping plate 21 so as to position the patient.

Specifically, under the condition that the clamping plate 21 is not turned outwards, the transverse moving mechanism 6 drives the lung extrusion mechanism 8 to move to the upper part of the patient, under the condition that both the two positioning sensors 9 detect the patient, the transverse moving mechanism 6 stops moving, and then the lung extrusion mechanism 8 is turned outwards to adapt to the body type of the patient so as to clamp the patient; in the process of turning the lung extrusion mechanism 8 outwards, if one positioning sensor 9 does not detect a patient, the other positioning sensor 9 detects the patient, the transverse moving mechanism 6 drives the lung extrusion mechanism 8 to move towards the direction of the positioning sensor 9 which detects the patient, so that the two positioning sensors 9 both detect the patient, finally, in the process of turning the lung extrusion mechanism 8 outwards, the two positioning sensors 9 cannot detect the patient at the same time, which indicates that the lung extrusion mechanism 8 is already right above the patient, and the lung extrusion mechanism 8 can clamp the patient at this moment.

The positioning sensor 9 may be at least one of a distance sensor, an infrared sensor, and a proximity sensor.

As shown in fig. 1 and 6, the oxygen tank 10 is disposed on the supporting base 1, the oxygen tank 10 is connected to the oxygen mask 12 through an oxygen outlet pipe, the electromagnetic valve 11 is installed on the oxygen outlet pipe of the oxygen tank 10, and the oxygen mask 12 is connected to the air outlet of the oxygen outlet pipe for providing oxygen to the patient and avoiding the patient from being in an oxygen-deficient state.

Specifically, carry out the extruded condition to the patient at lung extrusion mechanism 8, can reduce patient's breathing depth, reduce patient's oxygen uptake volume to the patient can be in slight oxygen deficiency state, and medical personnel can cover oxygen mask 12 in patient's mouth nose this moment, for the patient provides the oxygen of certain concentration, avoids the patient to be in the oxygen deficiency state, reduces the fluctuation degree of patient's chest, lung.

The electromagnetic valve 11 is used to control the oxygen release rate of the oxygen tank 10, and further control the oxygen concentration in the oxygen mask 12.

The controller 13 is disposed on the supporting base 1, and is electrically connected to the traversing mechanism 6, the lung squeezing mechanism 8, the positioning sensor 9, and the electromagnetic valve 11, respectively, for controlling the opening or closing of the traversing mechanism 6 and the lung squeezing mechanism 8 according to a signal sent by the positioning sensor 9, and adjusting the oxygen concentration in the oxygen mask 12 by controlling the opening or closing of the electromagnetic valve 11.

Specifically, in the case where the controller 13 detects the position of the patient through the positioning sensor 9, the controller 13 controls the traverse mechanism 6 to move the lung compression mechanism 8 to above the patient, and controls the traverse mechanism 6 to move the lung compression mechanism 8 to directly above the patient according to the position of the patient detected by the positioning sensor 9 to clamp and fix the patient.

Under the condition that medical personnel observe the patient oxygen deficiency or the controller 13 detects that the lung extrusion mechanism 8 extrudes the patient to a certain time, the controller 13 controls to open the electromagnetic valve 11 so as to provide oxygen for the patient and avoid the patient to be in an oxygen deficiency state.

In some of these embodiments, the controller 13 is electrically connected to a travel switch 17 to control the direction of rotation of the motor 16.

In some embodiments, the controller 13 is electrically connected to the electric telescopic rod 22 to control the clamping plate 21 to turn.

In some embodiments, the controller 13 is electrically connected to the motor 16 to control the motor 16 to operate to rotate the roller 7.

In some embodiments, the fixing device further includes a lifting device 14, the lifting device 14 is disposed at the upper end of the supporting column 2, the top end of the lifting device 14 is fixedly connected to the cross rail 3, and the lifting device 14 is electrically connected to the controller 13 for controlling the traversing mechanism 6 and the lung squeezing mechanism 8 to move downward to clamp the patient.

In some of these embodiments, the fixing device further comprises a compression plate 24, the compression plate 24 being arranged at the lower end of the second connecting block 19 for compressing the patient above the lungs.

Wherein, the lower part of stripper plate 24 covers to be established to paste has the buffer layer, and the buffer layer is used for avoiding stripper plate 24 too to extrude the patient, causes the pain to the patient.

In some of these embodiments, the compression plate 24 may be a telescoping plate to increase or decrease the compression area against the patient's lungs.

Further, in order to move the fixing device conveniently, the fixing device further comprises a plurality of universal wheels 25, and the plurality of universal wheels 25 are correspondingly arranged at four corners of the lower end of the supporting base 1.

The utility model discloses a respiratory fixing device of control in tumour radiotherapy is when using, remove patient sick bed lateral part with this fixing device, then remove the extrusion mechanism 8 of lung to the patient directly over through positioning sensor 9 and sideslip mechanism 6, then open elevating gear 14 and be close to the patient with the extrusion mechanism 8 of lung in order to carry out the centre gripping to the patient, last controller 13 control shrink extrusion mechanism 8 of lung carries out the centre gripping to the patient, after extrusion mechanism 8 of lung carries out the centre gripping to the patient, medical personnel aerify the lung with further extrusion centre gripping patient to the inside of air cushion 23, with the fluctuation range that reduces patient's lung.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A respiratory control immobilization device for use in radiation therapy of neoplasms, comprising:

a support base (1);

the supporting column (2) is vertically arranged in the middle of the supporting base (1);

the horizontal rail (3) is horizontally arranged, one end of the horizontal rail (3) is connected with the top end of the supporting column (2), a moving through hole (4) is formed in the middle of the horizontal rail along the length direction of the horizontal rail, and two sliding rails (5) are arranged on two sides of the moving through hole (4);

the transverse moving mechanism (6) is arranged on the transverse rail (3) and is arranged in the two sliding rails (5) in a sliding manner through a plurality of rollers (7) on two sides of the top end of the transverse moving mechanism (6);

the lung extrusion mechanism (8) is arranged at the lower end of the transverse moving mechanism (6), and is used for extruding the lung of the patient under the driving of the transverse moving mechanism (6);

the two positioning sensors (9), the two positioning sensors (9) are correspondingly arranged at the bottoms of the two ends of the lung extrusion mechanism (8) and are used for positioning a patient;

the oxygen tank (10) is arranged on the supporting base (1), the oxygen tank (10) is connected with an oxygen mask (12) through an oxygen outlet pipe, and an electromagnetic valve (11) is mounted on the oxygen outlet pipe;

the controller (13) is arranged on the supporting base (1), and is respectively electrically connected with the transverse moving mechanism (6), the lung extruding mechanism (8), the positioning sensor (9) and the electromagnetic valve (11).

2. The fixture according to claim 1, further comprising:

the lifting device (14) is arranged at the upper end of the supporting column (2), the telescopic shaft at the top end is fixedly connected with the transverse rail (3), and the lifting device (14) is electrically connected with the controller (13).

3. A fixation device according to claim 1, wherein the traversing mechanism (6) comprises:

the supporting block (15), the said supporting block (15) is set up in the top of the said cross rail (3), and its both sides end has several said gyro wheels (7) corresponding to two said slide rails (5);

the two motors (16) are correspondingly arranged at two ends of the supporting block (15), output shafts of the motors (16) are coaxially and fixedly connected with the corresponding rollers (7), and the motors (16) are electrically connected with the controller (13).

4. A fixation device according to claim 3, wherein the traversing mechanism (6) further comprises:

the two travel switches (17), the two travel switches (17) are correspondingly arranged on the two motors (16) and are electrically connected with the controller (13).

5. A fixation device according to claim 1, wherein the lung compression mechanism (8) comprises:

the upper end of the first connecting block (18) penetrates through the moving through hole (4) and is fixedly connected with the lower end of the transverse moving mechanism (6);

the second connecting block (19) is fixedly arranged at the lower end of the first connecting block (18);

the two clamping structures (20) are correspondingly hinged to the lower end of the first connecting block (18), and the inner side of the upper end of each clamping structure (20) is fixedly connected with the side wall of the second connecting block (19).

6. A fixture according to claim 5, wherein said clamping structure (20) comprises:

the upper end of the L-shaped clamping plate (21) is hinged to the bottom end of the first connecting block (18);

electric telescopic handle (22), electric telescopic handle (22) set up in second connecting block (19) both sides, and its telescopic shaft with the upper end of L type grip block (21) is articulated to be connected.

7. A fixture according to claim 6, wherein said clamping structure (20) further comprises:

the air cushion (23) is arranged on the inner side of the lower end of the L-shaped clamping plate (21) in a covering mode.

8. The fixture according to claim 5, further comprising:

the extrusion plate (24), extrusion plate (24) set up in the bottom of second connecting block (19).

9. The fixture according to claim 1, further comprising:

the universal wheels (25) are correspondingly arranged at the four corners of the bottom of the supporting base (1).

10. A fixture according to claim 1, characterized in that the positioning sensor (9) is a distance sensor, an infrared sensor or a proximity sensor.

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