CN213666556U

CN213666556U - Auxiliary walking device for rehabilitation of leg patients

Info

Publication number: CN213666556U
Application number: CN202021365378.9U
Authority: CN
Inventors: 薛敏强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-07-13
Anticipated expiration: 2030-07-13

Abstract

An auxiliary walking device for rehabilitation of a leg patient comprises a bottom supporting seat, two symmetrically arranged walking driving units and two symmetrically arranged foot supporting units; the walking driving unit comprises a first fixed seat, a first movable seat, a spring, a belt, a driving wheel, a driving motor, a driving wheel supporting plate and a rocker. Recovered supplementary running gear of using of shank patient, structural design is reasonable, it uses to be applicable to shank patient recovery initial stage, do not need patient's shank application of force in the use, only reach the purpose of tempering the shank, avoid the patient to resume the initial stage and cause secondary damage, resume training for later stage patient and provide good earlier stage assurance, and this device also can be used for the shank to lose the people of walking ability, carry out the shank and take exercise, through the state of external drive shank simulation walking, avoid shank muscle atrophy, under the more and more serious condition of aging at present, this device has good application prospect.

Description

Auxiliary walking device for rehabilitation of leg patients

Technical Field

The utility model belongs to the technical field of medical instrument, specifically, relate to a leg patient is recovered with supplementary running gear.

Background

The fracture refers to the complete or partial fracture of continuity of bone structure, is mostly seen in children and old people, and also occurs in middle and young people, and patients often fracture at one part, and a few are multiple fractures, and most patients can recover the original functions after timely and proper treatment, so that for the fracture of legs of the patients, the rehabilitation training is provided for the patients at the postoperative stage of the patients often through a walking auxiliary device, and the patients are helped to recover the health as soon as possible.

In the prior art, the rehabilitation tool of the walking assisting device is mainly a walking rehabilitation device, which is a typical walking rehabilitation device and has the following specific structure: the device comprises a main body with a plate structure, stainless steel supporting legs are arranged on two sides of the main body, and armrests are arranged on the upper side of the main body. The patient holds the handrail and uses the supporting legs as supports to move slowly, thereby achieving the aim of rehabilitation training.

However, the walking rehabilitation device has a single function, and is limited to patients with mild lower limb walking dysfunction, and the walking rehabilitation device cannot perform a rehabilitation training function for patients with severe symptoms or patients who cannot walk. In addition, the patient does not necessarily have a certain leg strength in the early recovery stage, and the leg strength is limited in the early recovery stage of the patient. Therefore, there is a need for a medical device that can simulate walking without applying force to the legs of a patient to assist the patient in initial rehabilitation training.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a recovered supplementary running gear of using of shank patient has solved among the prior art the injured patient of shank recovered initial stage, how to simulate the problem of shank walking.

The technical scheme is as follows: the utility model provides a leg patient rehabilitation auxiliary walking device, including bottom sprag seat, two symmetrical walking drive units and two symmetrical foot supporting units, the two symmetrical walking drive units are arranged on the bottom sprag seat, the two symmetrical foot supporting units are connected with the bottom sprag seat in a sliding way, the two symmetrical walking drive units and the two symmetrical foot supporting units are arranged in a one-to-one correspondence manner, and the walking drive units are connected with the foot supporting units, the walking drive units can drive the foot supporting units to move back and forth; wherein the walking drive unit comprises a first fixed seat, a first movable seat, a spring, a belt, a drive wheel, a drive motor, a drive wheel supporting plate and a rocker, the drive motor is fixedly arranged on the bottom supporting seat, the rotating shaft of the driving motor is connected with a rocker, the upper end part of the rocker is arranged in the driving wheel supporting plate, and the upper end part of the rocker can move in the driving wheel supporting plate, the first fixed seat is fixedly arranged on the bottom supporting seat, the first movable seat is connected with the bottom supporting seat in a sliding way, one end of the belt is fixedly connected with the first fixed seat, the other end of the belt is fixedly connected with the movable seat I, the belt is sleeved on the driving wheel, the driving wheel is rotatably connected with the driving wheel supporting plate, one end of the spring is connected with the driving wheel supporting plate, and the other end of the spring is connected with the first movable seat, and the first fixed seat and the first movable seat are respectively arranged on two sides of the driving wheel.

Furthermore, according to the auxiliary walking device for rehabilitation of the patient with the leg, the first sliding block is arranged on the lower end face of the first movable seat, the first sliding groove is arranged on the upper end face of the bottom supporting seat, and the first sliding block is in sliding connection with the first sliding groove.

Further, foretell shank patient rehabilitation is with supplementary running gear, the rocker is the eccentric wheel structure, driving motor passes through the rocker and can drives drive wheel backup pad reciprocating motion, spout one sets up along drive wheel backup pad reciprocating motion direction to the one end that spout one is close to the drive wheel backup pad is equipped with T type draw-in groove, be equipped with T type spring stopper in the T type draw-in groove, the one end setting of T type spring stopper is in T type draw-in groove to the other end of T type spring stopper stretches into in the spout one, a pot head of spring is established on the tip that T type spring stopper stretches into in the spout one.

Furthermore, foretell shank patient rehabilitation is with supplementary running gear, be equipped with pivot one on the up end of drive wheel backup pad, the drive wheel cover is established in pivot one to a drive wheel and a pivot swivelling joint, the one end that the drive wheel backup pad is close to foot supporting element is equipped with waist type hole, pivot setting on the rocker is in waist type hole.

Further, according to the auxiliary walking device for rehabilitation of the leg patient, the lower end face of the driving wheel supporting plate is provided with the second sliding block, the upper end face of the bottom supporting seat is provided with the second sliding groove, and the second sliding block is in sliding connection with the second sliding groove.

Furthermore, the rocker of the auxiliary walking device for rehabilitation of the leg patients comprises a connecting shaft, a rocker body and a second rotating shaft, the connecting shaft and the second rotating shaft are arranged on the upper end face and the lower end face of the rocker body, the connecting shaft and the second rotating shaft are respectively arranged at the two ends of the rocker body, the connecting shaft, the rocker body and the second rotating shaft form an eccentric wheel structure, the connecting shaft is fixedly connected with the rotating shaft of the driving motor, and the second rotating shaft is arranged in the waist-shaped hole.

Furthermore, according to the auxiliary walking device for rehabilitation of the leg patients, one end, far away from the driving wheel, of the driving wheel supporting plate is provided with the first connecting plate, and the first connecting plate is fixedly connected with the foot supporting unit.

Furthermore, according to the auxiliary walking device for rehabilitation of the leg patient, the first groove is formed in the outer circumference of the driving wheel, the cross section of the first groove is arc-shaped, and the belt is arranged in the first groove.

Further, foretell shank patient rehabilitation is with assisting running gear, foot supporting element includes foot's backup pad, a set of bandage subassembly, three and a set of slide rail of a set of slider, a set of slide rail parallel arrangement to a set of slide rail is fixed to be set up on the up end of bottom sprag seat, three fixed settings of a set of slider are on the lower terminal surface of foot's backup pad to three and slide rail sliding connection of slider, a set of bandage subassembly is fixed to be set up on the up end of foot's backup pad, be equipped with the rectangle recess on the up end of foot's backup pad, be equipped with a set of non-slip raised on the bottom surface of rectangle recess.

Furthermore, foretell shank patient is auxiliary walking device for rehabilitation, the bandage subassembly includes bandage one, bandage two and hasp, bandage one and bandage two symmetry set up to bandage one and bandage two are all fixed to be set up on the backup pad of foot, bandage one and bandage two are divided and are established the both sides of rectangle recess, the hasp sets up between bandage one and bandage two.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: recovered supplementary running gear of using of shank patient, structural design is reasonable, it uses to be applicable to shank patient recovery initial stage, do not need patient's shank application of force in the use, only reach the purpose of tempering the shank, avoid the patient to resume the initial stage and cause secondary damage, this device can be according to patient's particular case, set for both legs reciprocating motion's frequency in a flexible way, high durability and convenient use, resume training for later stage patient and provide good earlier stage assurance, and this device also can be used for the shank to lose the people of walking ability, carry out the shank and take exercise, state through the simulation walking of external force drive shank, avoid shank muscle atrophy, under the more and more serious condition of aging at present, this device has good application prospect.

Drawings

Fig. 1 is a first schematic structural view of the auxiliary walking device for rehabilitation of a leg patient according to the present invention;

FIG. 2 is a schematic structural view of the walking aid for rehabilitation of patients with leg according to the present invention;

FIG. 3 is a side view of the walking aid for rehabilitation of patients with leg diseases;

fig. 4 is a schematic structural view of the walking driving unit of the present invention;

fig. 5 is a schematic structural view of the first movable seat of the present invention;

fig. 6 is a schematic structural view of the driving wheel supporting plate of the present invention;

fig. 7 is a schematic structural view of the foot supporting unit of the present invention.

In the figure: the device comprises a bottom supporting seat 1, a first sliding groove 11, a second sliding groove 12, a walking driving unit 2, a first fixed seat 21, a first movable seat 22, a spring 23, a belt 24, a driving wheel 25, a first groove 251, a driving motor 26, a driving wheel supporting plate 27, a first rotating shaft 271, a waist-shaped hole 272, a second sliding block 273, a rocker 28, a connecting shaft 281, a rocker body 282, a second rotating shaft 283, a first sliding block 29, a T-shaped clamping groove 210, a T-shaped spring limiting block 211, a first connecting plate 212, a foot supporting unit 3, a foot supporting plate 31, a binding belt component 32, a first binding belt 321, a second binding belt 322, a lock 323, a third sliding block 33, a sliding rail 34, a.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element 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 "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The auxiliary walking device for rehabilitation of patients with legs shown in fig. 1-3 comprises a bottom support seat 1, two symmetrically arranged walking driving units 2 and two symmetrically arranged foot supporting units 3, wherein the two symmetrically arranged walking driving units 2 are arranged on the bottom support seat 1, the two symmetrically arranged foot supporting units 3 are in sliding connection with the bottom support seat 1, the two symmetrically arranged walking driving units 2 and the two symmetrically arranged foot supporting units 3 are arranged in one-to-one correspondence, the walking driving units 2 are connected with the foot supporting units 3, and the walking driving units 2 can drive the foot supporting units 3 to reciprocate; wherein, the walking drive unit 2 shown in fig. 4 comprises a first fixed seat 21, a first movable seat 22, a spring 23, a belt 24, a drive wheel 25, a drive motor 26, a drive wheel support plate 27 and a rocker 28, the drive motor 26 is fixedly arranged on the bottom support seat 1, a rotating shaft of the drive motor 26 is connected with the rocker 28, an upper end of the rocker 28 is arranged in the drive wheel support plate 27, an upper end of the rocker 28 can move in the drive wheel support plate 27, the first fixed seat 21 is fixedly arranged on the bottom support seat 1, the first movable seat 22 is slidably connected with the bottom support seat 1, one end of the belt 24 is fixedly connected with the first fixed seat 21, the other end of the belt 24 is fixedly connected with the first movable seat 22, the belt 24 is sleeved on the drive wheel 25, the drive wheel 25 is rotatably connected with the drive wheel support plate 27, one end of the spring 23 is connected with the drive wheel support, and the other end of the spring 23 is connected with the first movable seat 22, and the first fixed seat 21 and the first movable seat 22 are respectively arranged at two sides of the driving wheel 25. A first groove 251 is arranged on the outer circumference of the driving wheel 25, the cross section of the first groove 251 is arc-shaped, and the belt 24 is arranged in the first groove 251.

The lower end face of the movable seat I22 shown in FIG. 5 is provided with a slide block I29, the upper end face of the bottom support seat 1 is provided with a slide groove I11, and the slide block I29 is in sliding connection with the slide groove I11.

In addition, the rocker 28 is an eccentric wheel structure, the driving motor 26 can drive the driving wheel supporting plate 27 to reciprocate through the rocker 28, the first sliding groove 11 is arranged along the reciprocating direction of the driving wheel supporting plate 27, a T-shaped clamping groove 210 is formed in one end, close to the driving wheel supporting plate 27, of the first sliding groove 11, a T-shaped spring limiting block 211 is arranged in the T-shaped clamping groove 210, one end of the T-shaped spring limiting block 211 is arranged in the T-shaped clamping groove 210, the other end of the T-shaped spring limiting block 211 extends into the first sliding groove 11, and one end of the spring 23 is sleeved on the end, extending into the first sliding groove 11, of the T-shaped.

As shown in fig. 6, a first rotating shaft 271 is disposed on the upper end surface of the driving wheel support plate 27, the driving wheel 25 is sleeved on the first rotating shaft 271, the driving wheel 25 is rotatably connected with the first rotating shaft 271, a waist-shaped hole 272 is disposed at one end of the driving wheel support plate 27 close to the foot support unit 3, and the rotating shaft on the rocker 28 is disposed in the waist-shaped hole 272. The lower end face of the driving wheel supporting plate 27 is provided with at least one second sliding block 273, the upper end face of the bottom supporting seat 1 is provided with at least one second sliding groove 12, and the second sliding block 273 and the second sliding groove 12 are in sliding connection.

In the above structure, the rocker 28 includes a connecting shaft 281, a rocker body 282 and a second rotating shaft 283, the connecting shaft 281 and the second rotating shaft 283 are respectively arranged on the upper and lower end faces of the rocker body 282, the connecting shaft 281 and the second rotating shaft 283 are respectively located at two ends of the rocker body 282, the connecting shaft 281, the rocker body 282 and the second rotating shaft 283 form an eccentric wheel structure, the connecting shaft 281 is fixedly connected with the rotating shaft of the driving motor 26, and the second rotating shaft 283 is arranged in the kidney-shaped hole 272.

In addition, one end of the driving wheel supporting plate 27 far away from the driving wheel 25 is provided with a first connecting plate 212, and the first connecting plate 212 is fixedly connected with the foot supporting unit 3.

Example two

Based on the structure of the embodiment, the foot supporting unit 3 shown in fig. 1, 2 and 7 includes a foot supporting plate 31, a set of strap assemblies 32, a set of three sliding blocks 33 and a set of sliding rails 34, the set of sliding rails 34 are arranged in parallel, the set of sliding rails 34 are fixedly arranged on the upper end surface of the bottom supporting seat 1, the set of three sliding blocks 33 are fixedly arranged on the lower end surface of the foot supporting plate 31, the three sliding blocks 33 are slidably connected with the sliding rails 34, the set of strap assemblies 32 are fixedly arranged on the upper end surface of the foot supporting plate 31, a rectangular groove 35 is arranged on the upper end surface of the foot supporting plate 31, and a set of anti-slip protrusions 36 is arranged on the bottom surface of the rectangular groove 35. The first strap 321, the second strap 322 and the latch 323 are arranged in a symmetrical manner, the first strap 321 and the second strap 322 are both fixedly arranged on the foot supporting plate 31, the first strap 321 and the second strap 322 are respectively arranged on both sides of the rectangular groove 35, and the latch 323 is arranged between the first strap 321 and the second strap 322.

The utility model discloses a shank patient rehabilitation is with supplementary running gear's theory of operation does:

when the device is used, a patient can only support the patient on a chair or a hospital bed, the two feet of the patient are respectively placed at the positions of the rectangular grooves 35, the feet are fixed on the foot supporting plates 31 by the binding belt assemblies 32, the two walking driving units 2 are respectively started, the walking driving units 2 asynchronously move, one of the walking driving units moves forwards and the other walks backwards to form a normal walking mode, the foot supporting units 3 are driven by the walking driving units 2 to reciprocate back and forth to exercise the legs of the patient, when the walking driving units 2 work, the driving motors 26 are started to drive the connecting shafts 281 to rotate, the rocker body 282 rotates around the connecting shafts 281 as a circle center, the rotating shafts two 283 synchronously do circular motion, the driving wheel supporting plates 27 are driven to reciprocate along the sliding grooves two 12 during the motion of the rotating shafts 283, the driving wheel supporting plates 27 drive the driving wheels 25 to reciprocate, in the moving process of the driving wheel 25, the driving wheel rotates around the first rotating shaft 271, the reciprocating movement of the driving wheel supporting plate 27 drives the foot supporting plate 31 to reciprocate, the moving speed of the foot supporting plate 31 can be different by adjusting the rotating speed of the driving motor 26, and the setting can be flexibly performed according to the use of a patient.

This device can be used for the exercise of patient initial stage shank, through the walking of initiative drive shank, does not need the patient application of force, avoids recovering the initial stage, causes the damage, reaches the purpose that patient's shank was taken exercise simultaneously.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a leg patient is recovered with supplementary running gear which characterized in that: the walking mechanism comprises a bottom supporting seat (1), two symmetrically arranged walking driving units (2) and two symmetrically arranged foot supporting units (3), wherein the two symmetrically arranged walking driving units (2) are arranged on the bottom supporting seat (1), the two symmetrically arranged foot supporting units (3) are in sliding connection with the bottom supporting seat (1), the two symmetrically arranged walking driving units (2) and the two symmetrically arranged foot supporting units (3) are arranged in a one-to-one correspondence manner, the walking driving units (2) are connected with the foot supporting units (3), and the walking driving units (2) can drive the foot supporting units (3) to move in a reciprocating manner;

wherein the walking drive unit (2) comprises a first fixed seat (21), a first movable seat (22), a spring (23), a belt (24), a drive wheel (25), a drive motor (26), a drive wheel support plate (27) and a rocker (28), the drive motor (26) is fixedly arranged on the bottom support seat (1), a rotating shaft of the drive motor (26) is connected with the rocker (28), the upper end of the rocker (28) is arranged in the drive wheel support plate (27), the upper end of the rocker (28) can move in the drive wheel support plate (27), the first fixed seat (21) is fixedly arranged on the bottom support seat (1), the first movable seat (22) is in sliding connection with the bottom support seat (1), one end of the belt (24) is fixedly connected with the first fixed seat (21), and the other end of the belt (24) is fixedly connected with the first movable seat (22), belt (24) cover is established on drive wheel (25), drive wheel (25) and drive wheel backup pad (27) rotate to be connected, the one end and the drive wheel backup pad (27) of spring (23) are connected to the other end and the sliding seat (22) of spring (23) are connected, fixing base (21) and sliding seat (22) are established respectively in the both sides of drive wheel (25).

2. The walking assist device for rehabilitation of leg patients according to claim 1, wherein: the lower end face of the first movable seat (22) is provided with a first sliding block (29), the upper end face of the bottom supporting seat (1) is provided with a first sliding groove (11), and the first sliding block (29) is in sliding connection with the first sliding groove (11).

3. The walking assist device for rehabilitation of leg patients according to claim 2, wherein: the rocker (28) is an eccentric wheel structure, the driving motor (26) can drive the driving wheel supporting plate (27) to move back and forth through the rocker (28), the first sliding groove (11) is arranged along the direction of the back and forth movement of the driving wheel supporting plate (27), a T-shaped clamping groove (210) is formed in one end, close to the driving wheel supporting plate (27), of the first sliding groove (11), a T-shaped spring limiting block (211) is arranged in the T-shaped clamping groove (210), one end of the T-shaped spring limiting block (211) is arranged in the T-shaped clamping groove (210), the other end of the T-shaped spring limiting block (211) extends into the first sliding groove (11), and one end of the spring (23) is sleeved on the end portion, extending into the first sliding groove (11), of the T-shaped spring.

4. The walking assist device for rehabilitation of leg patients according to claim 1, wherein: be equipped with pivot one (271) on the up end of drive wheel backup pad (27), drive wheel (25) cover is established on pivot one (271) to drive wheel (25) and pivot one (271) rotate and are connected, the one end that drive wheel backup pad (27) are close to foot supporting element (3) is equipped with waist type hole (272), pivot setting on rocker (28) is in waist type hole (272).

5. The walking aid for rehabilitation of leg patients according to claim 4, wherein: the lower end face of the driving wheel supporting plate (27) is provided with at least one second sliding block (273), the upper end face of the bottom supporting seat (1) is provided with at least one second sliding groove (12), and the second sliding block (273) is in sliding connection with the second sliding groove (12).

6. The walking aid for rehabilitation of leg patients according to claim 4, wherein: the rocker (28) comprises a connecting shaft (281), a rocker body (282) and a second rotating shaft (283), the connecting shaft (281) and the second rotating shaft (283) are respectively arranged on the upper end face and the lower end face of the rocker body (282), the connecting shaft (281) and the second rotating shaft (283) are respectively positioned at the two ends of the rocker body (282), the connecting shaft (281), the rocker body (282) and the second rotating shaft (283) form an eccentric wheel structure, the connecting shaft (281) is fixedly connected with the rotating shaft of the driving motor (26), and the second rotating shaft (283) is arranged in the waist-shaped hole (272).

7. The walking aid for rehabilitation of leg patients according to claim 4, wherein: one end, far away from the driving wheel (25), of the driving wheel supporting plate (27) is provided with a first connecting plate (212), and the first connecting plate (212) is fixedly connected with the foot supporting unit (3).

8. The walking assist device for rehabilitation of leg patients according to claim 1, wherein: a first groove (251) is formed in the outer circumference of the driving wheel (25), the cross section of the first groove (251) is arc-shaped, and the belt (24) is arranged in the first groove (251).

9. The walking assist device for rehabilitation of leg patients according to claim 7, wherein: foot supporting unit (3) are including foot backup pad (31), a set of bandage subassembly (32), three (33) of a set of slider and a set of slide rail (34), a set of slide rail (34) parallel arrangement to a set of slide rail (34) are fixed to be set up on the up end of bottom sprag seat (1), three (33) of a set of slider are fixed to be set up on the lower terminal surface of foot backup pad (31), and three (33) of slider and slide rail (34) sliding connection, a set of bandage subassembly (32) are fixed to be set up on the up end of foot backup pad (31), be equipped with rectangle recess (35) on the up end of foot backup pad (31), be equipped with a set of non-slip raised (36) on the bottom surface of rectangle recess (35).

10. The walking assist device for rehabilitation of leg patients according to claim 9, wherein: the binding band assembly (32) comprises a first binding band (321), a second binding band (322) and a lock catch (323), wherein the first binding band (321) and the second binding band (322) are symmetrically arranged, the first binding band (321) and the second binding band (322) are fixedly arranged on the foot supporting plate (31), the first binding band (321) and the second binding band (322) are respectively arranged on two sides of the rectangular groove (35), and the lock catch (323) is arranged between the first binding band (321) and the second binding band (322).