CN217245366U - Self-made lower limb operation disinfection fixing frame - Google Patents

Abstract

The utility model discloses a self-made lower limb operation disinfection fixing frame, which comprises a base body frame, a longitudinal rod, a fixing slide block, a transverse rod and a foot support, the base body frame is a square frame, three fixed sliding blocks are arranged, two of the three fixed sliding blocks are respectively arranged at two ends of the longitudinal rod, the longitudinal rod is arranged in the base body frame through the fixed sliding blocks, the other of the three fixed sliding blocks is arranged on one end surface of the transverse rod, the cross bar is arranged on the longitudinal bar through the fixed slide block, the foot support is an arc-shaped plate body, and the foot support is arranged on the other end face of the cross bar, the utility model has the characteristics of reasonable design, simple structure, flexible action, convenient operation, good fixing effect and the like on the whole, can help the fixing work of the lower limbs of the patient in the operation or nursing and disinfection process, and has high practicability and popularization value.

Description

Self-made lower limb operation disinfection fixing frame

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to a self-made lower limb operation disinfection fixing frame.

Background

In the lower limb operation, particularly the ankle and lower leg fracture operation, the ankle is usually eliminated firstly during disinfection, an assistant holds the ankle of a patient and lifts the lower limb by wearing gloves after hand disinfection, then the operation of disinfecting the near end and fixing the body position of the lower limb of the patient is carried out, the leg lifting can be performed with strength, and not only can the leg lifting process be performed, but also the structures such as muscle, blood vessel and nerve can be damaged if the fracture ends are overlapped and angled, so that the lower limb fixing and disinfection of the patient are performed by using a great deal of physical strength and energy.

Traditional lower limbs operation disinfection fixed mode kind is more, and it is main to have artifical armful of leg formula, gauze bandage suspension type, the elevating platform is fixed etc. and no matter what kind of disinfection fixed mode is taken, all need two doctors' cooperation to accomplish lower limbs disinfection work under most circumstances at least, influenced by this, sterile time is also longer usually, this has produced unnecessary to medical resources to a certain extent and has taken and waste, consequently, still has the space that promotes to the scheme design of the operation disinfection mount of lower limbs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: provides a homemade lower limb operation disinfection fixing frame to solve the defects.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a self-control low limbs operation disinfection mount, includes that base member frame, vertical pole, fixed slider, horizontal pole, foot hold in the palm, base member frame is square frame, fixed slider is provided with threely, three fixed slider in two set up respectively at the both ends of vertical pole, the vertical pole passes through fixed slider and installs in base member frame, threely fixed slider in another set up on a terminal surface of horizontal pole, the horizontal pole passes through fixed slider and installs on the vertical pole, the foot holds in the palm is an arc plate body, the foot holds in the palm and installs on another terminal surface of horizontal pole.

Preferably, the base member frame's below is equipped with the support, the below of support is fixed with a bottom plate, the four corners of bottom plate lower surface all is equipped with the universal wheel, the base member frame all has the setting in the both sides of sick bed.

Preferably, the cross-sectional shape of the longitudinal rod is an H-shape formed by three plate bodies, a trapezoidal raised slide rail is arranged on a transverse plate in the three plate bodies of the H-shape on the longitudinal rod, the plate body structure forming the base body frame is consistent with the plate body structure of the longitudinal rod, the fixed sliding block comprises a casing and a rotating handle, an H-shaped through hole is dug on the casing, a plurality of rollers are arranged in the H-shaped through hole, a trapezoidal groove is dug on a rim along the circumferential direction on the rollers, a stud is arranged on the rotating handle, a threaded hole is formed on the casing, the stud is screwed in the threaded hole, the casings in the fixed sliding blocks respectively arranged at the two ends of the longitudinal rod are all sleeved on the base body frame, the rotating handles arranged on the fixed sliding blocks at the two ends of the longitudinal rod are all installed towards the same direction, the rod body end surface of the longitudinal rod is fixed with the outer side wall of the casing of the fixed sliding block arranged at the two ends of the longitudinal rod, the end face of the rod body of the cross rod is fixed with the outer side wall of the casing of the fixed sliding block arranged on the cross rod, the casing in the fixed sliding block fixed on the cross rod is sleeved on the longitudinal rod, and the installation orientation of the rotating handle fixed on the fixed sliding block on the cross rod is consistent with the installation orientation of the rotating handle fixed on the two fixed sliding blocks on the longitudinal rod.

Preferably, a rotary sleeve is arranged at the joint between the cross rod and the foot support, the rotary sleeve is of a tubular structure, a circle of anti-skid grains are arranged on the outer surface of the rotary sleeve, a digging hole is formed in the end face of the rod body at one end connected with the foot support, the rotary sleeve is arranged in the digging hole in the end face of the cross rod, the anti-skid grains on the rotary sleeve are exposed out of the digging hole in the cross rod, the rotary sleeve is rotatably connected with the inner wall of the digging hole through a bearing, an internal thread is arranged at the position opposite to the anti-skid grains on the inner wall of the rotary sleeve, an internal nesting sleeve is arranged in the rotary sleeve, an external thread is arranged at one end of the outer surface of the internal nesting sleeve, a plurality of clamping teeth which are not in contact with each other are arranged at one end of the internal sleeve, an inclined step is arranged on the outer surface of one end, far away from the external thread, of the plurality of clamping teeth which are not in contact with each other, the foot support is provided with a clamped rod at the position connected with the cross rod, and the clamped rod sequentially penetrates through the rotary sleeve and the inner nesting from the end of the rotary sleeve provided with the anti-skid grains and is clamped and fixed by the clamping teeth.

Preferably, a T-shaped slot is formed in one side face, close to the cross rod, of the plate body of the foot support, the T-shaped slot extends to the middle position of the plate face of the foot support from the side face of the foot support, a narrow cavity in the T-shaped slot penetrates through the plate face of the upper side of the foot support, a restraint belt is installed in the T-shaped slot, and a restraint belt hole is formed in the plate body, far away from the cross rod, of the foot support.

Preferably, the restraint strap comprises a front restraint strap, a middle restraint strap and a rear restraint strap which are sequentially connected end to end, one end of the front restraint strap is installed in the T-shaped slot, two knee protection restraint straps are arranged beside the middle restraint strap, two ends of each knee protection restraint strap are respectively fixed at the connection position between the front restraint strap and the middle restraint strap and the connection position between the middle restraint strap and the rear restraint strap, magic tapes are arranged on the restraint straps, primary and secondary surfaces of the magic tapes are respectively arranged on the middle restraint strap and the rear restraint strap, and the rear restraint strap is stuck to the middle restraint strap through the magic tapes after penetrating through the restraint strap holes.

The beneficial effects of the utility model reside in that:

the utility model relates to a self-control low limbs operation disinfection mount, look at the operation nursing, the too much problem of resource input is doctorsed and nurses in the piece of cloth disinfection process, the integration promotes traditional low limbs operation disinfection fixed mode, release unnecessary medical resources when guaranteeing patient's safety, can single completion to the fixed operation of low limbs that the patient goes on, personnel's input has been reduced, it is long when whole of disinfection process has been shortened to a certain extent, work efficiency has been improved, the bottom plate has been increased on the support, the barycentric position of support can be reduced, the stability of base frame has been improved, wholly have reasonable in design, moreover, the steam generator is simple in structure, the flexible operation, the simple operation, fixed effectual characteristics such as, can help in the fixed work of operation or nursing disinfection process patient low limbs, there are high practicality and spreading value.

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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: the structure of the base body frame of the utility model is schematically shown;

FIG. 3: the foot rest structure of the utility model is schematically shown;

FIG. 4 is a schematic view of: the structure schematic diagram of the fixed slide block of the utility model;

FIG. 5: the utility model discloses a swivel sleeve structure sketch map.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "radial direction", "axial direction", "upper", "lower", "inner", "outer", "front", "rear", "left", "right", "middle", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, and are only for convenience of description, but do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In addition, it should be noted that, in the description of the embodiments of the present invention, unless explicitly specified or limited otherwise, the terms "set", "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

As shown in fig. 1-5, a homemade lower limb operation disinfection fixing frame comprises a base frame 1, a vertical rod 12, a fixed sliding block 2, a cross rod 3 and a foot support 4, wherein the base frame 1 is a square frame, a support 11 is arranged below the base frame 1, a bottom plate 111 is fixed below the support 11, the bottom plate 111 can balance the whole support 11 to prevent the support 11 and the base frame 1 from overturning in the using process, universal wheels 112 are arranged at four corners of the lower surface of the bottom plate 111 to facilitate the moving process of the support 11 and the base frame 1 integrally, meanwhile, foot treading type wheel locks can be arranged on the universal wheels 112 to prevent the support 11 from being touched by mistake or the bottom plate 111 from sliding so as to cause secondary injury to patients, the base frame 1 is arranged at two sides of a sickbed, and the base frame 1 and the support 11 at two sides of the sickbed are symmetrically arranged, is used for completing the fixing process of the left and right lower limbs in a matching way.

The fixed sliding blocks 2 are three, two of the three fixed sliding blocks 2 are respectively arranged at two ends of a longitudinal rod 12, the longitudinal rod 12 is arranged in the base body frame 1 through the fixed sliding blocks 2, the other one of the three fixed sliding blocks 2 is arranged on one end surface of a transverse rod 3, the transverse rod 3 is arranged on the longitudinal rod 12 through the fixed sliding blocks 2, the cross section of the longitudinal rod 12 is H-shaped formed by three plate bodies, a trapezoidal raised sliding rail 122 is arranged on a transverse plate of the H-shaped three plate bodies on the longitudinal rod 12, the plate body structure forming the base body frame 1 is consistent with the plate body structure of the longitudinal rod 12, the fixed sliding blocks 2 comprise a shell 21 and a rotating handle 23, an H-shaped through hole is dug on the shell 21, a plurality of rollers 22 are arranged in the H-shaped through hole, a trapezoidal groove is dug on a rim along the circumferential direction on the roller 22, the roller 22 can be clamped on the sliding rail 122, and takes the sliding rail 122 as a rail, the sliding block can freely slide on the sliding rail 122, the problem of dry sliding fit between the fixed sliding block 2 and the longitudinal rod 12 can be avoided, the stud 231 is arranged on the rotating handle 23, the sleeve 21 is provided with a threaded hole, the stud 231 is screwed in the threaded hole, when the fixed sliding block 2 slides to a specified position on the longitudinal rod 12, the stud 231 can be extruded on the longitudinal rod 12 by adjusting the rotating handle 23, so that the position of the fixed sliding block 2 can be locked, when the position of the fixed sliding block 2 needs to be adjusted again, only the rotating handle 23 needs to be screwed and loosened, the sleeve 21 respectively arranged in the fixed sliding blocks 2 at two ends of the longitudinal rod 12 are all sleeved on the base body frame 1, so that the longitudinal rod 12 can freely slide on the base body frame 1 to adjust the height, the rotating handles 23 arranged on the fixed sliding blocks 2 at two ends of the longitudinal rod 12 are all installed towards the same direction, preferentially face towards the outer side of a sickbed, quilt fiber is prevented from being hooked by the rotating handles 23, the body of rod terminal surface of vertical pole 12 is fixed mutually between the lateral wall of the cover 21 of the fixed sliding block 2 of setting at the vertical pole 12 both ends, the body of rod terminal surface of horizontal pole 3 is fixed mutually between the lateral wall of the cover 21 of the fixed sliding block 2 of setting on horizontal pole 3, the cover 21 of fixing in the fixed sliding block 2 on horizontal pole 3 is on vertical pole 12, make horizontal pole 3 can freely slide on vertical pole 12, in order to adapt to the user of different heights, the installation orientation of the turning handle 23 of fixing on horizontal pole 3 on the fixed sliding block 2 all keeps unanimous with the installation orientation of the turning handle 23 of fixing on two fixed sliding blocks 2 on vertical pole 12.

The foot support 4 is an arc-shaped plate body, the foot support 4 is installed on the other end face of the cross rod 3, a rotary sleeve is arranged at the joint between the cross rod 3 and the foot support 4 and is of a tubular structure, a circle of anti-skidding threads 31 are arranged on the outer surface of the rotary sleeve, a digging hole is formed in the end face of a rod body at one end connected with the foot support 4 on the cross rod 3, the rotary sleeve is arranged in the digging hole in the end face of the cross rod 3, the anti-skidding threads 31 on the rotary sleeve are exposed out of the digging hole on the cross rod 3, the rotary sleeve is rotatably connected with the inner wall of the digging hole through a bearing, internal threads are arranged at the position opposite to the anti-skidding threads 31 on the inner wall of the rotary sleeve, an inner nesting sleeve 32 is arranged in the rotary sleeve, external threads are arranged at one end of the outer surface of the inner nesting 32, a plurality of clamping teeth 321 which are not mutually contacted are arranged at one end of the inner nesting 32, an inclined step is arranged at one end of the clamping teeth 321 which are not mutually contacted with each other end, which is far away from the external threads, the foot rest 4 is provided with a clamped rod 44 at the position connected with the cross bar 3, the clamped rod 44 sequentially penetrates through the rotary sleeve and the inner nest 32 from one end of the rotary sleeve provided with the anti-skid grains 31 and then is clamped and fixed by the clamping teeth 321, a key or a spline is arranged between the inner surface of the inner nest 32 and the outer surface of the clamped rod 44 for circumferentially positioning the inner nest 32 and the clamped rod 44, at the moment, the rotary sleeve is rotated by the anti-skid grains 31, the inner nest 32 is gradually retracted into the rotary sleeve under the action of threads, the outer wall of the rotary sleeve can be extruded on the inclined steps of the clamping teeth 321 and forces the clamping teeth 321 to be close and clamped towards the center, so that the clamped rod 44 is clamped, the fixing process of the foot rest 4 is realized, when the orientation of the foot rest 4 needs to be finely adjusted, the anti-skid grains 31 are firstly rotated, the clamping teeth 321 are released from clamping the clamped rod 44, and then the orientation of the foot rest 4 can be adjusted at any angle in the circumferential direction, when the angle is adjusted to a proper angle, one hand holds the foot rest 4 to keep positioning, the other hand rotates the rotary sleeve again by the anti-skid veins 31 to push the clamping teeth 321 to clamp the clamped rod 44, so as to complete the angle fixing work of the foot rest 4, and in order to prevent the problem that the rotary sleeve is still rotatable after the clamped rod 44 is clamped by the clamping teeth 321, so as to cause the angle fixing of the foot rest 4 to be infirm, the front end of one or more of the clamping teeth 321 can be extended, a long groove or a key groove is formed in a hole of the cross bar 3, the extended part of the clamping teeth 321 extends into the groove or the key groove, so that the extended part can slightly swing in the groove or the key groove along the diameter direction of a circle and can not rotate in the circumferential direction, and the circumferential positioning between the inner nesting 32 and the cross bar 3 can be completed without influencing the approach of the clamping teeth 321 to the center, after the clamping teeth 321 clamp the clamped rod 44, namely the foot rest 4, the inner nest 32 and the cross rod 3, complete synchronous circumferential positioning, and at the moment, the angular positioning of the foot rest 4 can be ensured to be firm and effective.

In order to fix the lower limbs of a patient conveniently, a detachable restraint belt 41 can be installed on a foot support 4, a T-shaped slot 42 is formed in one side face, close to a cross bar 3, of a plate body of the foot support 4, the T-shaped slot 42 extends from the side face of the foot support 4 to the middle position of the plate face of the foot support 4, a narrow section of cavity in the T-shaped slot 42 penetrates through the plate face on the upper side of the foot support 4, the restraint belt 41 is installed in the T-shaped slot 42, the restraint belt 41 comprises a front restraint belt 411, a middle restraint belt 412 and a rear restraint belt 414 which are sequentially connected end to end, one end of the front restraint belt 411 is installed in the T-shaped slot 42, two knee restraint belts 413 are arranged beside the middle restraint belt 412, the two knee restraint belts 413 and the middle restraint belt 412 can form an approximately circular fixing face, on one hand, the restraint of knee joints can be completed, and on the other hand, better use experience can be provided for the patient, both ends of the knee-pad restraining belt 413 are respectively fixed at the joint between the front restraining belt 411 and the middle restraining belt 412 and the joint between the middle restraining belt 412 and the rear restraining belt 414, the restraining belt 41 is provided with a magic tape, the primary and secondary surfaces of the magic tape are respectively arranged on the middle restraining belt 412 and the rear restraining belt 414, a restraining belt hole 43 is arranged on a plate body on one side of the foot rest 4 far away from the cross rod 3, the rear restraining belt 414 is adhered to the middle restraining belt 412 through the magic tape after penetrating through the restraining belt hole 43, the magic tape adhesion is convenient and rapid, and the operation can be independently completed in a single state.

The utility model relates to a self-made lower limb operation disinfection fixing frame, in the actual use process, a base body frame 1 and a bracket 11 are firstly moved to the two sides of a sickbed, then the heights of the longitudinal rods 12 and the transverse rods 3 and the angle of the foot supports 4 are adjusted to proper positions according to the physiological states of the height, the length of the lower limbs and the like of the patient, then the rotating handles 23 and the rotating sleeves on the three fixed sliding blocks 2 are screwed down to complete the position and angle fixation among all the parts, then the patient is helped to place the lower limbs on the foot supports 4, if the restraining strip 41 is needed, the restraining strip 41 is only needed to be arranged on the foot rest 4 from the T-shaped slot 42, the rear restraining strip 414 passes through the restraining strip hole 413 and then is stuck on the upper surface of the middle restraining strip 412, the fixing process of the lower limbs can be completed, after the disinfection is finished, the lower limbs of the patient and the foot supports 4 are released from fixation, and then the brackets 11 and the base body frame 1 at the two sides of the sickbed are removed.

The utility model relates to a self-control low limbs operation disinfection mount, look at the operation nursing, the too much problem of resource input is doctorsed and nurses in the drape disinfection process, the integration promotes traditional low limbs operation disinfection fixed mode, release unnecessary medical resources when guaranteeing patient's safety, can single completion to the fixed operation of low limbs that the patient goes on, personnel's input has been reduced, it is long when whole of disinfection process has been shortened to a certain extent, work efficiency has been improved, the bottom plate has been increased on the support, can reduce the focus position of support, the stability of base member frame has been improved, wholly have reasonable in design, moreover, the steam generator is simple in structure, the action is nimble, the simple operation, fixed characteristics such as effectual, can help in the fixed work of operation or nursing disinfection in-process patient low limbs, there are high practicality and spreading value.

The above description is provided for the exemplary embodiment of the present invention with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, as long as the present invention adopts the method and the technical solution to perform this insubstantial improvement, or the present invention directly applies the method and the technical solution to other occasions without improvement, all within the protection scope of the present invention.

Claims (6)

1. The utility model provides a homemade low limbs operation disinfection mount, its characterized in that, includes base frame (1), vertical pole (12), fixed slider (2), horizontal pole (3), foot support (4), base frame (1) is square frame, fixed slider (2) are provided with threely, three fixed slider (2) in two set up respectively at the both ends of vertical pole (12), vertical pole (12) are installed in base frame (1) through fixed slider (2), threely fixed slider (2) in another set up on a terminal surface of horizontal pole (3), horizontal pole (3) are installed on vertical pole (12) through fixed slider (2), foot support (4) are an arc plate body, foot support (4) are installed on another terminal surface of horizontal pole (3).

2. The homemade lower limb operation disinfection fixing frame according to claim 1, wherein a support (11) is arranged below the base frame (1), a bottom plate (111) is fixed below the support (11), four corners of the lower surface of the bottom plate (111) are provided with universal wheels (112), and the base frame (1) is arranged on two sides of a hospital bed.

3. The homemade lower limb operation disinfection fixing frame as claimed in claim 1, wherein the cross-sectional shape of the vertical rod (12) is an H-shape composed of three plates, a trapezoidal raised sliding rail (122) is arranged on a transverse plate of the three H-shaped plates on the vertical rod (12), the plate structure of the base frame (1) is consistent with the plate structure of the vertical rod (12), the fixing slider (2) comprises a casing (21) and a rotating handle (23), an H-shaped through hole is dug on the casing (21), a plurality of rollers (22) are arranged in the H-shaped through hole, a trapezoidal slot is dug on the rim along the circumferential direction on the rollers (22), a stud (231) is arranged on the rotating handle (23), a threaded hole is opened on the casing (21), and the stud (231) is screwed in the threaded hole, the sleeves (21) in the fixed sliding blocks (2) respectively arranged at the two ends of the longitudinal rod (12) are all sleeved on the base body frame (1), the rotating handles (23) arranged on the fixed sliding blocks (2) at the two ends of the longitudinal rod (12) are all installed towards the same direction, the end surface of the rod body of the vertical rod (12) is fixed with the outer side wall of the sleeve (21) of the fixed slide block (2) arranged at the two ends of the vertical rod (12), the utility model discloses a fixed slide block's on the horizontal pole (3) is including horizontal pole (3), the body of rod terminal surface of horizontal pole (3) is fixed mutually between the lateral wall of the cover shell (21) of setting fixed slider (2) on horizontal pole (3), and cover shell (21) in fixed slider (2) on horizontal pole (3) is on vertical pole (12), fixes on horizontal pole (3) the installation orientation of rotating handle (23) on fixed slider (2) and fixes the installation orientation of rotating handle (23) on two fixed slider (2) on vertical pole (12) and all keep unanimous.

4. The homemade lower limb operation disinfection fixing frame as claimed in claim 1, wherein a rotary sleeve is arranged at the joint between the cross bar (3) and the foot rest (4), the rotary sleeve is of a tubular structure, a circle of anti-slip threads (31) are arranged on the outer surface of the rotary sleeve, a hole is formed in the end face of a rod body at one end connected with the foot rest (4) on the cross bar (3), the rotary sleeve is arranged in the hole formed in the end face of the cross bar (3), the anti-slip threads (31) on the rotary sleeve are exposed out of the hole formed in the cross bar (3), the rotary sleeve is rotatably connected with the inner wall of the hole through a bearing, internal threads are arranged at the position opposite to the anti-slip threads (31) on the inner wall of the rotary sleeve, an internal nesting sleeve (32) is arranged in the rotary sleeve, external threads are arranged at one end of the outer surface of the internal sleeve (32), and a plurality of clamping teeth (321) which are not in contact with each other are arranged at one end of the internal sleeve (32) far away from the external threads ) The anti-skidding foot rest is characterized in that an inclined step is arranged on the outer surface of one end, far away from the external thread, of each clamping tooth (321) which are not in contact with each other, a clamped rod (44) is arranged at the position, connected with the cross rod (3), of the foot rest (4), and the clamped rod (44) is clamped and fixed by the clamping teeth (321) after one end, provided with the anti-skidding threads (31) from the rotating sleeve, of the clamped rod (44) penetrates through the rotating sleeve and the inner nesting sleeve (32) in sequence.

5. The homemade lower limb operation disinfection fixing frame as claimed in claim 1, wherein a T-shaped slot (42) is formed in a side surface of the plate body of the foot rest (4) close to the cross bar (3), the T-shaped slot (42) extends from the side surface of the foot rest (4) to the middle position of the plate surface of the foot rest (4), a narrow section of cavity in the T-shaped slot (42) penetrates through the plate surface of the upper side of the foot rest (4), a restraint strap (41) is installed in the T-shaped slot (42), and a restraint hole (43) is formed in a side plate body of the foot rest (4) far away from the cross bar (3).

6. The self-made lower limb operation disinfection fixing frame of claim 5, the restraint strap (41) comprises a front restraint strap (411), a middle restraint strap (412) and a rear restraint strap (414) which are connected end to end in sequence, one end of the front restraint strap (411) is arranged in the T-shaped slot (42), two knee-protecting restraint straps (413) are arranged beside the middle restraint strap (412), both ends of the knee protecting restraining belt (413) are respectively fixed at the joint between the front restraining belt (411) and the middle restraining belt (412) and the joint between the middle restraining belt (412) and the rear restraining belt (414), the restraint strap (41) is provided with magic tapes, the primary and secondary surfaces of the magic tapes are respectively arranged on the middle restraint strap (412) and the rear restraint strap (414), the rear restraint strap (414) is adhered to the middle restraint strap (412) through a magic tape after passing through the restraint strap hole (43).

Images