CN110680666B

CN110680666B - Body restraint device in paediatrics bronchoscopy

Info

Publication number: CN110680666B
Application number: CN201910981622.XA
Authority: CN
Inventors: 刘丹丹; 关静
Original assignee: First Affiliated Hospital of Henan University of Science and Technology
Current assignee: First Affiliated Hospital of Henan University of Science and Technology
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2021-07-20
Anticipated expiration: 2039-10-16
Also published as: CN110680666A

Abstract

The embodiment of the invention discloses a body restraint device in pediatric bronchoscopy, which comprises a folding seat, wherein the folding seat comprises a middle fixed seat, a bracket and a movable backrest, a head restraint structure and a shoulder restraint mechanism are arranged on the movable backrest, the head restraint structure comprises a head position fixing hole and a head clamp, the head clamp is connected with the fixed bracket through a damping sliding groove, an arc-direction adjusting component is arranged in the middle of the joint of the fixed bracket and the head clamp, the top of the fixed bracket is connected with an adjusting rod, the head clamp is connected with a neck support arc plate through deformation sheets positioned at two sides of the head clamp, the other end of the neck support arc plate is connected to the inner wall of the bottom of the head position fixing hole, the fear and the over-excited reaction of children are favorably and fundamentally reduced, meanwhile, the head of the children can be restrained, the position of the restraint structure can be flexibly adjusted aiming at the children with different heights, the device can also restrain equipment and pipe fittings used for the inspection, avoid the pipe fitting winding, influence going on of inspection.

Description

Body restraint device in paediatrics bronchoscopy

Technical Field

The embodiment of the invention relates to the technical field of pediatrics, in particular to a body restraint device in pediatric bronchoscopy.

Background

Pediatrics is a comprehensive medical science for comprehensively researching physical and mental development, health care and disease prevention and treatment in the period of children and teenagers, all health and hygiene problems related to the period of children and teenagers belong to the scope of pediatrics, and a treated object is in a growth and development period. The task of pediatrics is to continuously explore the pediatric medical theory, reduce morbidity and mortality on the basis of practice, enhance the physique of children and teenagers, and improve the health care and disease prevention and treatment level of the children and the teenagers.

The bronchoscopy of children is an important examination means for the diagnosis and treatment of diseases of the respiratory system of children, the bronchoscopy and treatment of children has the characteristics of intuition, safety, no wound, little pain and the like, the diameter of the currently used electronic bronchoscope is 2.8-4.9mm, the body of the bronchoscope is soft, the bronchopulmonary lesion can be observed and diagnosed, the deep respiratory secretion specimen, the lavage liquid epithelial cell, the lung tissue biopsy and the like can be sucked for carrying out electron microscope ultrastructure, cytology and etiology detection, meanwhile, the forceps taking, the lavage, the medicine injection, the microwave and the like are used for interventional therapy, the clinical cognition and diagnosis level of respiratory diseases are improved, and unified standards are established for the bronchoscopy diagnosis, the bronchial medication and the like.

When carrying out bronchoscopy to children, in order to avoid children to move about, influence the inspection effect, need retrain children with health restraint device. The existing body restraint devices for children usually have a plurality of fixing drapes or elastic belts arranged on an examination bed for fixing the limbs of the children and preventing the children from moving during examination.

However, the existing body restraint devices in pediatric bronchoscopy have the following drawbacks:

(1) in the modern pediatric bronchoscopy, the children are unconscious because the stimulus source is the stimulus generated when the endoscope tube walks in the trachea, in pediatric bronchoscopy, the head position and posture of a child are usually limited and adjusted by a doctor or nurse, so as to obtain an optimal endoscopic tube wandering path, because the tissue structure of each person is not completely the same, the incorrect posture of the child can easily cause the pipe diameter of partial trachea to be reduced under the pressure of muscle tissue, the doctor can not adjust the head or body of the child or can not easily control the adjustment angle of the head and the chest of the child by one hand when operating the device with two hands or operating the device with one hand in the microscopic examination, so that the microscopic examination tube can not smoothly move in the trachea, further, the stimulation caused by the migration of the microscopic examination tube at the corner or narrow part of the trachea can force the body of the child to move.

(2) When the child is stimulated, the child can instinctively move the limbs, the limbs of the child are fixed, the child can only be forcedly prevented from moving, the over-excitation reaction of the child cannot be fundamentally lightened, the restraint effect of the device is poor, and the child can be stimulated greatly; most of the existing restraint devices are used for restraining from four limbs of children, but the restraint on the heads of the children is also important when bronchoscopy is carried out, the positions of the restraint devices are different for children with different heights, and the existing restraint devices cannot flexibly adjust the positions and are not beneficial to the use of the device;

(3) most of the existing restraint devices restrain the bodies of children, but when the children are inspected, a lot of equipment and pipes are used, and the equipment and the pipes are easy to wind and move under the action of the children, so that the inspection is influenced finally.

Disclosure of Invention

Therefore, the body restraint device in pediatric bronchoscopy provided by the embodiment of the invention can prevent four limbs of a child from being completely fixed on the premise of restraining the child, and simultaneously, the problem that the head or body of the child cannot be adjusted or the head and chest of the child cannot be easily controlled by a single hand when a doctor operates equipment with two hands or operates equipment with one hand in the microscopic examination, so that the microscopic examination tube cannot smoothly walk in a trachea, and the body of the child is forced to move by stimulation generated when the microscopic examination tube walks at the corner or narrow place of the trachea is solved.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a body restraint device in pediatric bronchoscopy comprises a folding seat, wherein the folding seat comprises a middle fixed seat, a support is arranged at the bottom end of the middle fixed seat, one side of the middle fixed seat is connected with a movable backrest through a free connection structure, a head restraint structure is arranged in the middle of the top of the movable backrest, and shoulder restraint mechanisms are arranged on the movable backrests on two sides of the head restraint structure;

the head restraint structure is including setting up the head position fixing hole on the back that lives, the downthehole head type that is provided with of head position fixing presss from both sides, the top that the head type pressed from both sides is connected with the fixed bolster through a plurality of equidistant damping spout, the fixed bolster is provided with the gliding arc of messenger's head type clamp along the damping spout to adjusting part with the centre of head type clamp junction, the fixed bolster top is connected with the regulation pole, the top to the back that lives is run through along the inside of back is pressed from both sides to the regulation pole, the head type presss from both sides and is connected with the neck through the deformation piece that is located its both sides and holds in the palm the arc board, the other end of neck support arc board is connected on the bottom inner wall in head position fixing hole.

The shoulder restraint mechanism comprises a joint position plate installed on the movable backrest through an articulated shaft, a scapula bionic groove is arranged in the middle of the joint position plate, elastic bands used for binding upper arms are arranged on the joint position plate located on two sides of the scapula bionic groove, and an adjusting button used for adjusting the rotation of the articulated shaft is arranged on the movable backrest located at one end of the articulated shaft.

Furthermore, the free connection structure comprises fixed blocks arranged at two ends of the top of the middle fixed seat, the inner side walls of the two fixed blocks are respectively in contact connection with two sides of a protruding plate arranged at the bottom of the movable backrest, crankshaft rods are connected to the two fixed blocks through spherical hinges, and the other ends of the two crankshaft rods are hinged to the bottom of the protruding plate.

Furthermore, a back cushion is arranged right above the joint of the middle fixed seat and the movable backrest, and two ends of the back cushion are respectively connected with the middle fixed seat and the movable backrest through elastic belts.

Further, still including setting up the hip constraint structure on middle fixing base and lieing in the thigh restraint structure of hip constraint structure lower part, hip constraint structure is including setting up the bar hole that just runs through at middle fixing base top surface, one side fixed mounting in bar hole has the bandage box, the side of bandage box is provided with runs through the groove, and is provided with the reel in the bandage box, the surface winding of reel has the hip restraint area, and the both ends of reel all are connected through the inner wall of torsion spring with the bandage box.

Furthermore, the outer end of the hip restraint strap penetrates through the through groove, a first locking buckle is arranged on the outer side of the through groove, a sliding block matched with the strip hole is arranged on the other side, opposite to the strap box, of the strip hole, a through hole matched with the hip restraint strap is formed in the top surface of the sliding block, and a second locking buckle is arranged on the outer side of the through hole.

Furthermore, thigh portion restraint structure is including setting up the intermediate lamella in hip restraint structure side, and the equal fixedly connected with thigh portion restraint strap in top surface both ends of intermediate lamella, the both sides of intermediate lamella all are provided with the rectangular hole that runs through middle fixing base, and thigh portion restraint strap all passes the rectangular hole that corresponds, the bottom of thigh portion restraint strap all is provided with the spacing fixed clip that is located under the rectangular hole.

Further, the articulated shaft includes outer sleeve shaft, and the suit is at the interior pivot of outer sleeve shaft, just joint position board passes through on the pivot including connecting piece fixed connection, just outer sleeve shaft surface is provided with the angle groove with the connecting piece complex, the one end of interior pivot extends to adjusting knob department, and the screw rod meshing of the one end of interior pivot and adjusting knob.

Further, the arc is to adjusting part including setting up the semicolumn chamber on the contact surface of head type clamp and fixed bolster respectively, two all be provided with the screw thread on the semicolumn intracavity wall, two the internal spiral interlock of cylinder chamber that the semicolumn chamber is constituteed has the fine setting screw rod, the top and the bottom cover of fine setting screw rod are equipped with the spacing piece of fixed connection on the fixed bolster, the both ends swing joint of fixed bolster is on the inner wall in head position fixing hole.

Furthermore, be provided with upper arm restraint structure on the activity back that is located on the joint position board, upper arm restraint structure is including setting up the side groove in activity back both sides, and the side inslot all is provided with the side slider, the outer end of side slider all is connected with puts the backup pad to one side, and puts the top surface of backup pad to one side and all be provided with the support groove, one side of putting the backup pad to one side all is connected with the upper arm restraint area, and puts the opposite side of backup pad to one side and all is provided with the locking and detains.

The embodiment of the invention has the following advantages:

(1) the head and the shoulders of the child are relatively fixed through the head restraint mechanism and the shoulder restraint mechanism, and the body posture of the child is adjusted through adjusting the positions of the head restraint mechanism and the shoulder restraint mechanism in the process of microscopic examination so as to obtain the optimal position for the microscopic examination tube to walk and facilitate observation of tracheal tissues in microscopic examination;

(2) according to the invention, the head and the shoulders of the child are fixed, and then the positions of the upper limbs of the head and the shoulders of the child are relatively adjusted only by the adjusting rod, the arc-shaped adjusting component and the adjusting button, so that the adjustment of the bronchial tube for the child bronchoscopy is formed, the optimal observation wandering path of the microscopic examination tube is conveniently obtained, and the stimulation of the microscopic examination tube to the bronchus caused by the influence of muscle tissues is reduced;

(3) the invention can restrain the equipment and the pipe fittings used for the inspection, thereby preventing the equipment and the pipe fittings from winding and moving under the action of children and avoiding influencing the inspection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic side view of the folding seat of the present invention;

FIG. 2 is a schematic top view of the folding seat of the present invention;

FIG. 3 is a schematic perspective view of a portion of a head clip according to the present invention;

FIG. 4 is a schematic cross-sectional view of a headrest of the present invention;

fig. 5 is a schematic cross-sectional structure of the headrest of the present invention.

In the figure:

1-folding seat; 2-a free link structure; a 3-hip constraint; 4-thigh constraint structure; 5-a shoulder restraint mechanism; 6-a head restraint structure; 7-an upper arm constraint structure; 8-an arc direction adjusting component; 9-a hinged axis; 10-an adjusting knob; 11-a cylindrical cavity; 12-fine adjustment of the screw rod; 13-limiting sheet;

101-intermediate fixed seat; 102-a scaffold; 103-a movable backrest; 104-a protruding plate;

201-fixed block; 202-crankshaft rod; 203-back cushion; 204-an elastic band;

301-strip shaped holes; 302-a tape binding box; 303-through slot; 304-a reel; 305-a hip restraint strap; 306-a torsion spring; 307-a first locking buckle; 308-a slider; 309-perforating; 310-a second locking buckle;

401-an intermediate sheet; 402-thigh restraint strap; 403-rectangular holes; 404-limit fixing clip;

501-joint position plate; 502-scapula bionic groove; 503-elastic band;

601-a head retention hole; 602-head clip; 603-damping chute; 604-a fixed support; 605-adjusting rod; 606-a deformable sheet; 607-neck collar arc plate;

701-side groove; 702-side slider; 703-obliquely placing a support plate; 704-a support slot; 705-upper arm restraint band; 706-a locking buckle;

901-an outer sleeve shaft; 902-inner rotating shaft; 903-angular groove.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.

As shown in fig. 1 to 5, the invention provides a body restraint device in pediatric bronchoscopy, which comprises a folding seat 1, wherein the folding seat 1 comprises a middle fixed seat 101, a bracket 102 is arranged at the bottom end of the middle fixed seat 101, one side of the middle fixed seat 101 is connected with a movable backrest 103 through a free connection structure 2, a head restraint structure 6 is arranged in the middle of the top of the movable backrest 103, and shoulder restraint mechanisms 5 are arranged on the movable backrests 103 at two sides of the head restraint structure 6;

realize the relative fixation to children's head and shoulder through head restraint mechanism 6 and shoulder restraint mechanism 5 to at the in-process of microscopic examination, through the position of adjusting head restraint mechanism 6 and shoulder restraint mechanism 5, and then realize the adjustment to children's health posture, in order to obtain the best microscopic examination pipe wandering position, be convenient for simultaneously in the microscopic examination to the observation of trachea tissue.

The head restraint structure 6 comprises a head position fixing hole 601 arranged on the movable backrest 103, a head type clamp 602 is arranged in the head position fixing hole 601, the head type clamp 602 is a bionic structure of the forehead of a human body and is made of hard plastic, soft silica gel is attached to the surface of the main body, which is in contact with the forehead, two ends of the head type clamp 602 are coated to the temple of the child, so that the forehead is fixed, and meanwhile, the head type clamp 602 is matched with the forehead, so that the child cannot easily break away when the child lifts the head;

the top of head clamp 602 is connected with fixed bolster 604 through a plurality of equidistant damping spout 603, the centre of fixed bolster 604 and head clamp 602 junction is provided with and makes head clamp 602 along the gliding arc of damping spout 603 to adjusting part 8, the fixed bolster 604 top is connected with adjusts pole 605, the one end of adjusting pole 605 runs through to the top of activity back 103 along the inside of activity back 103, head clamp 602 is connected with neck brace arc board 607 through the deformation piece 606 that is located its both sides, the other end of neck brace arc board 607 is connected on the bottom inner wall of head position fixing hole 601.

During bronchoscopy of children, the children sit on the middle fixing seat 101, the heads of the children are clamped into the head fixing holes 601 in a backward leaning posture, the forehead parts of the children are in contact with the head clamps 602, the necks of the children naturally bend along with the neck support arc plates 607, and the neck support arc plates 607 are made of elastic plastic materials, so that the natural bending of the necks of the children can be matched;

then, the adjusting rod 605 is rotated to enable the fixing bracket 604 to move in the head fixing hole 601, so as to extrude the forehead position of the child, support the neck with the neck support arc plate 607, fix the head of the child, and fix the head tilting angle.

Because the head-shaped clamp 602 is connected with the neck brace arc plate 607 through the deformation sheet 606, in the moving process of the fixing support 604, the deformation sheet 606 is deformed in a flexible way, the main body of the deformed deformation sheet 606 is contacted with the inner side wall of the head fixing hole 601, and then the positions of two sides of the whole body of the head-shaped clamp 602 and the neck brace arc plate 607 are supported and fixed.

The neck collar arc plate 607 is curved and can be made by bionics the neck structure of human body.

In the process, the head of the child can be fixed only by actively contacting the head with the head clamp 602 and rotating the adjusting rod by the child, the structure is simple, the operation is easy, and a complex head fixing device is avoided.

Because the head clamp 602 is connected with the fixed support 604 through the damping sliding groove 603, the head clamp 602 can move along the damping sliding groove 603, the damping sliding groove 603 is of a sliding groove structure with a T-shaped cross section, and the damping cushion is arranged on the inner wall of the sliding groove, so that in the process of the endoscope examination, the relative position of the head clamp 602 and the fixed support 604 moving along the damping sliding groove 603 can be adjusted only by the arc-shaped adjusting component 8, the back-bending angle of the head of the child can be changed, the fixed adjustment of the head of the child can be realized by the doctor by rotating the arc-shaped adjusting component 8 and the adjusting rod 605 with one hand, so that a clear tissue tube access channel of the bronchus of the child can be obtained, and the condition that the head of the child needs to be adjusted when the doctor needs to operate an instrument is avoided.

The shoulder restraint mechanism 5 comprises a joint plate 501 installed on the movable backrest 103 through a hinge shaft 9, a scapula bionic groove 502 is arranged in the middle of the joint plate 501, elastic bands 503 used for binding upper arms are arranged on the joint plate 501 located on two sides of the scapula bionic groove 502, and an adjusting button 10 used for adjusting the rotation of the hinge shaft 9 is arranged on the movable backrest 103 located at one end of the hinge shaft 9.

After the head of the child enters the head fixing hole 601, the scapula joints of the arms contact the joint position plate 501, meanwhile, the scapula is clamped into the scapula bionic groove 502 and is bound through the elastic band 503, and then the articulated shaft 9 only needs to be rotated through the adjusting button 10, so that the shoulder position is raised or lowered.

According to the invention, the head and the shoulders of the child are fixed, and then the positions of the upper limbs of the head and the shoulders of the child are relatively adjusted only by the adjusting rod 605, the arc-shaped adjusting component 8 and the adjusting button, so that the adjustment of the bronchial tube for the child bronchoscopy is formed, the optimal observation wandering path of the microscopic examination tube is conveniently obtained, the stimulation of the microscopic examination tube to the bronchial tube caused by the influence of muscular tissues is reduced, and the body of the child is forced to move.

After the head and the shoulders of the child are fixed, the subsequent dispensing process can be adjusted by one hand, and the adjusting rod 605, the arc-shaped adjusting assembly 8 and the adjusting button all belong to fixed structures, so that a doctor can perform blind adjustment by one hand, and the examination efficiency of the doctor in bronchoscopy is improved.

Further, as is well known, when a child is forced to perform limb movement by stimulation, force can be transmitted to upper limbs of the body only through interaction between the waist and the middle fixing seat 101, the free connection structure 2 comprises fixing blocks 201 arranged at two ends of the top of the middle fixing seat 101, inner side walls of the two fixing blocks 201 are respectively in contact connection with two sides of a protruding plate 104 arranged at the bottom of the movable backrest 103, the two fixing blocks 201 are connected with crank rods 202 through spherical hinges, and the other ends of the two crank rods 202 are hinged to the bottom of the protruding plate 104.

Middle fixing base 101 does not have fixed connection with the bottom of folding seat 1, but middle fixing base 101 accessible elastic cord or strap and free activity's mechanical structure connect on folding seat 1, when the child sits on middle fixing base 101, because middle fixing base 101 is connected through bent axle 202 with protruding board 104, the power that so children's waist produced will make middle fixing base 101 to rock around bent axle 202 and protruding board 104's tie point under the effect at bent axle 202 connection, thereby unload the effect of waist effort to the upper limbs, it is when the action of the limbs takes place to have reduced children compelled, the upper limbs produce violent activity.

A back cushion 203 is arranged right above the joint of the middle fixed seat 101 and the movable backrest 103, and two ends of the back cushion 203 are respectively connected with the middle fixed seat 101 and the movable backrest 103 through elastic belts 204.

Still including setting up hip constraint structure 3 on middle fixing base 101 and the thigh portion constraint structure 4 that is located hip constraint structure 3 lower part, hip constraint structure 3 is including setting up at middle fixing base 101 top surface and the bar hole 301 that runs through, one side fixed mounting of bar hole 301 has bandage box 302, the side of bandage box 302 is provided with and runs through groove 303, and is provided with reel 304 in the bandage box 302, the surface winding of reel 304 has hip constraint area 305, and the both ends of reel 304 are all through torsion spring 306 and bandage box 302's inner wall connection.

The outer end of the hip restraint strap 305 penetrates through the through groove 303, a first locking buckle 307 is arranged on the outer side of the through groove 303, a sliding block 308 matched with the strip hole 301 is arranged on the other side, opposite to the tape binding box 302, of the strip hole 301, a through hole 309 matched with the hip restraint strap 305 is arranged on the top surface of the sliding block 308, and a second locking buckle 310 is arranged on the outer side of the through hole 309.

After a child sits on the middle fixing seat 101, the hip restraint belt 305 can be extended for a certain distance by pulling the hip restraint belt 305 outwards, then one end of the hip restraint belt 305 is fixed through the first locking buckle 307, the other end of the hip restraint belt 305 goes around the hip of the child and is inserted into the through hole 309, the other end of the hip restraint belt 305 can be fixed through the second locking buckle 310, so that the hip of the child can be restrained, and meanwhile, the sliding block 308 can move along the strip-shaped hole 301, so that the device can be suitable for children with different physiques.

Thigh portion constraint structure 4 is including setting up the middle plate 401 in hip constraint structure 3 side, and the equal fixedly connected with thigh portion restraint area 402 in middle plate 401's top surface both ends, and the both sides of middle plate 401 all are provided with the rectangular hole 403 that runs through middle fixing base 101, and thigh portion restraint area 402 all passes corresponding rectangular hole 403, and the bottom of thigh portion restraint area 402 all is provided with the spacing fixed clip 404 that is located under rectangular hole 403.

After children sit on middle fixing base 101, can be fixed two thighs of children through two thigh restraint area 402 and spacing fixed clip 404, through setting up rectangular hole 403 and spacing fixed clip 404, can make the device be suitable for the children of different physiques.

The hinge shaft 9 comprises an outer sleeve shaft 901 and an inner rotating shaft 902 sleeved in the outer sleeve shaft 901, the joint position plate 501 is fixedly connected to the inner rotating shaft 902 through a connecting piece, an angle groove 903 matched with the connecting piece is formed in the surface of the outer sleeve shaft 901, one end of the inner rotating shaft 902 extends to the position of the adjusting knob 10, and one end of the inner rotating shaft 902 is meshed with a screw rod of the adjusting knob 10.

The arc is to adjusting part 8 including setting up the semicolumn chamber on the contact surface of head clamp 602 and fixed bolster 604 respectively, all is provided with the screw thread on two semicolumn intracavity walls, and the interior spiral interlock of the cylinder cavity 11 that two semicolumn chambers are constituteed has fine setting screw 12, and the top and the bottom cover of fine setting screw 12 are equipped with spacing piece 13 of fixed connection on the fixed bolster, and the both ends swing joint of fixed bolster 604 is on the inner wall of head position fixing hole 601.

An upper arm restraining structure 7 is arranged on the movable backrest 103 on the joint position plate 501, the upper arm restraining structure 7 comprises side grooves 701 arranged on two sides of the movable backrest 103, side sliders 702 are arranged in the side grooves 701, the outer ends of the side sliders 702 are connected with inclined supporting plates 703, supporting grooves 704 are arranged on the top surfaces of the inclined supporting plates 703, upper arm restraining belts 705 are connected to one sides of the inclined supporting plates 703, and locking buckles 706 are arranged on the other sides of the inclined supporting plates 703;

by arranging the side groove 701 and the side slider 702, the inclined support plate 703 can move along the side groove 701, and the clamping feet of the inclined support plate 703 and the movable backrest 103 are between 30 and 60 degrees, so that the movement of the forearms of the child does not influence the examination when the upper arm of the child is placed in the support groove 704;

one side of the inclined support plate 703 is connected with an upper arm restraint band 705, the other side of the inclined support plate 703 is provided with a fourth locking buckle 706, and the upper arms of the children are bound and restrained by the upper arm restraint band 705 and the locking buckle 706.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A body restraint device in pediatric bronchoscopy, comprising: the folding seat comprises a folding seat (1), wherein the folding seat (1) comprises a middle fixed seat (101), a support (102) is arranged at the bottom end of the middle fixed seat (101), one side of the middle fixed seat (101) is connected with a movable backrest (103) through a free connection structure (2), a head restraint structure (6) is arranged in the middle of the top of the movable backrest (103), and shoulder restraint mechanisms (5) are arranged on the movable backrests (103) on two sides of the head restraint structure (6);

the head restraint structure (6) comprises a head retention hole (601) arranged on the movable backrest (103), a head-shaped clamp (602) is arranged in the head position-fixing hole (601), the top of the head-shaped clamp (602) is connected with a fixed bracket (604) through a plurality of damping sliding chutes (603) with equal intervals, an arc-direction adjusting component (8) which enables the head-shaped clamp (602) to slide along the damping sliding groove (603) is arranged in the middle of the joint of the fixed support (604) and the head-shaped clamp (602), the top of the fixed bracket (604) is connected with an adjusting rod (605), one end of the adjusting rod (605) penetrates to the top of the movable backrest (103) along the inner part of the movable backrest (103), the head-shaped clamp (602) is connected with a neck supporting arc plate (607) through deformation sheets (606) positioned at two sides of the head-shaped clamp, the other end of the neck support arc plate (607) is connected to the inner wall of the bottom of the head fixing hole (601);

the shoulder restraint mechanism (5) comprises a joint position plate (501) which is arranged on the movable backrest (103) through a hinge shaft (9), a scapula bionic groove (502) is arranged in the middle of the joint position plate (501), elastic bands (503) used for binding upper arms are arranged on the joint position plate (501) positioned on two sides of the scapula bionic groove (502), and an adjusting button (10) used for adjusting the rotation of the hinge shaft (9) is arranged on the movable backrest (103) positioned at one end of the hinge shaft (9);

the articulated shaft (9) comprises an outer sleeve shaft (901) and an inner rotating shaft (902) sleeved in the outer sleeve shaft (901), the joint position plate (501) is fixedly connected to the inner rotating shaft (902) through a connecting piece, an angle groove (903) matched with the connecting piece is formed in the surface of the outer sleeve shaft (901), one end of the inner rotating shaft (902) extends to the position of the adjusting button (10), and one end of the inner rotating shaft (902) is meshed with a screw rod of the adjusting button (10);

the arc-direction adjusting component (8) comprises semi-cylindrical cavities which are respectively arranged on contact surfaces of a head-shaped clamp (602) and a fixed support (604), threads are arranged on the inner walls of the two semi-cylindrical cavities, a fine adjusting screw rod (12) is spirally occluded in a cylindrical cavity (11) formed by the two semi-cylindrical cavities, limiting pieces (13) fixedly connected to the fixed support are sleeved at the top and the bottom of the fine adjusting screw rod (12), and two ends of the fixed support (604) are movably connected to the inner wall of a head fixing hole (601);

the free connection structure (2) comprises fixing blocks (201) arranged at two ends of the top of the middle fixing seat (101), the inner side walls of the two fixing blocks (201) are respectively in contact connection with two sides of a protruding plate (104) arranged at the bottom of the movable backrest (103), the two fixing blocks (201) are all connected with crank rods (202) through spherical hinges, and the other ends of the crank rods (202) are hinged to the bottom of the protruding plate (104).

2. A body restraint device in pediatric bronchoscopy according to claim 1, wherein: a back cushion (203) is arranged right above the joint of the middle fixed seat (101) and the movable backrest (103), and two ends of the back cushion (203) are respectively connected with the middle fixed seat (101) and the movable backrest (103) through elastic belts (204).

3. A body restraint device in pediatric bronchoscopy according to claim 1, wherein: still including setting up hip constraint structure (3) on middle fixing base (101) and thigh portion constraint structure (4) that are located hip constraint structure (3) lower part, hip constraint structure (3) are including setting up strip hole (301) at middle fixing base (101) top surface and run through, one side fixed mounting of strip hole (301) has bandage box (302), the side of bandage box (302) is provided with and runs through groove (303), and is provided with reel (304) in bandage box (302), the surface winding of reel (304) has hip constraint area (305), and the both ends of reel (304) all through torsion spring (306) and the interior wall connection of bandage box (302).

4. A body restraint device in pediatric bronchoscopy according to claim 3, wherein: the outer end of the hip restraint strap (305) penetrates through the through groove (303), a first locking buckle (307) is arranged on the outer side of the through groove (303), a sliding block (308) matched with the strip hole (301) is arranged on the other side, opposite to the tape binding box (302), of the strip hole (301), a through hole (309) matched with the hip restraint strap (305) is formed in the top surface of the sliding block (308), and a second locking buckle (310) is arranged on the outer side of the through hole (309).

5. A body restraint device in pediatric bronchoscopy according to claim 3, wherein: thigh portion constraint structure (4) are including setting up middle piece (401) in hip constraint structure (3) side, and the equal fixedly connected with thigh portion restraint area (402) in top surface both ends of middle piece (401), the both sides of middle piece (401) all are provided with rectangular hole (403) that run through middle fixing base (101), and thigh portion restraint area (402) all pass corresponding rectangular hole (403), the bottom of thigh portion restraint area (402) all is provided with spacing fixed clip (404) that are located under rectangular hole (403).

6. A body restraint device in pediatric bronchoscopy according to claim 1, wherein: the movable backrest (103) on the joint position plate (501) is provided with an upper arm restraint structure (7), the upper arm restraint structure (7) comprises side grooves (701) formed in two sides of the movable backrest (103), side sliders (702) are arranged in the side grooves (701), the outer ends of the side sliders (702) are connected with inclined supporting plates (703), supporting grooves (704) are formed in the top surfaces of the inclined supporting plates (703), one side of each inclined supporting plate (703) is connected with an upper arm restraint belt (705), and locking buckles (706) are arranged on the other side of each inclined supporting plate (703).