CN214858907U - Lower limb exercising device for orthopedic nursing - Google Patents

Abstract

The utility model discloses a lower limb exercising device for orthopedic nursing, which comprises a base, a sleeve is fixedly arranged on the right side of the upper end of the base, a lifting column is connected inside the sleeve in a sliding way, a seat is fixedly arranged on the upper end of the lifting column, when exercising lower limbs, the leg support component plays a role in supporting the thigh part of the patient, prevents the thigh part of the patient from being suspended continuously, the leg support mechanism plays a role in supporting the position of the feet of the patient, so that the leg support mechanism plays a role in moving the knee joint of the patient when driving the feet of the patient to move, and avoid leading to patient's ankle position to produce discomfort or sprain at the removal in-process, play the effect that promotes patient's knee joint and remove through promoting the lift subassembly, reach the effect that makes patient's shank whole activity, promoted the efficiency that the low limbs were taken exercise, reduced recovered doctor's intensity of labour, be convenient for continuously carry out the rehabilitation training that the low limbs were taken exercise for the patient.

Description

Lower limb exercising device for orthopedic nursing

Technical Field

The utility model belongs to orthopedics nursing field, in particular to a low limbs exercise device for orthopedics nursing.

Background

The number of patients with lower limb motor dysfunction caused by central nervous system diseases such as spinal cord injury, cerebrovascular accident, cerebral trauma and cerebral apoplexy is increasing year by year, a large number of patients with lower limb motor dysfunction are caused by movement, traffic accidents, orthopedic diseases, muscular atrophy and the like, bones are used as a support for supporting a human body to ensure the mobility of the patients, the bones play an important role in normal administration and activities of the human body, the mobility of the patients is directly limited once the injuries occur, the recovery time of the bones is long, and the patients are usually required to be rehabilitated, nursed, trained and treated through lower limb exercise in the later stage of the treatment process.

During rehabilitation training of lower limb exercise in the prior art, the lower limb rehabilitation training is usually performed manually, the manual operation training efficiency is low, and the labor intensity of lower limb exercise is high, so that a doctor needs to have a rest for a period of time after performing one rehabilitation training.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a low limbs exercise device for orthopedic nursing to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a low limbs exercise device for orthopedics nursing, includes the base, the upper end right side fixed mounting of base has the sleeve, telescopic inside sliding connection has the lift post, the upper end fixed mounting of lift post has the seat, telescopic inside fixed mounting has the lifting subassembly, the lifting subassembly is connected with the lift post transmission, the lower extreme of lift post outer wall is provided with spacing subassembly, the upper end fixed mounting of base has the landing leg subassembly, the upper end left side fixed mounting of base has stabilizer blade mechanism, the upper end left side fixed mounting of base has the subassembly that promotes.

Through adopting above-mentioned technical scheme, make lift post sliding connection in telescopic inside through the lifting subassembly, be convenient for adjust the height of seat according to patient's needs, when low limbs are taken exercise to needs, play the effect of supporting patient thigh position through the landing leg subassembly, it is unsettled to avoid patient's thigh position to last, play the effect of supporting patient foot position through stabilizer blade mechanism, when making stabilizer blade mechanism drive patient foot and remove, play the effect of activity patient knee joint, and avoid leading to patient ankle position to produce discomfort or sprain at the removal in-process, play the effect that promotes patient knee joint and remove through pushing up the subassembly, reach the effect that makes patient's shank whole activity.

Further, as a preferred technical scheme, a bracket is fixedly mounted on the side wall of the lifting column, and the upper end of the bracket is fixedly connected with the seat.

Through adopting above-mentioned technical scheme, support the position of seat through the support, reach the effect that makes the seat remain stable, avoid the seat to produce the slope.

Further, as preferred technical scheme, the lifting subassembly includes servo motor, threaded rod and thread groove, servo motor fixed mounting is in the inside of base, threaded rod fixed mounting is at servo motor's output, telescopic inside is stretched into to the upper end of threaded rod, the lower extreme at the lift post is seted up to the thread groove, the upper end threaded connection of threaded rod is in the inside of thread groove.

Through adopting above-mentioned technical scheme, when needs adjustment seat height, drive the threaded rod through servo motor and rotate, make the threaded rod rotate in the inside of thread groove, reach the effect that makes lift post longitudinal movement.

Further, as preferred technical scheme, spacing subassembly includes stopper and spacing groove, stopper fixed mounting is at the lower extreme of lift post lateral wall, the spacing groove is seted up at telescopic inner wall, stopper sliding connection is in the inside of spacing groove.

Through adopting above-mentioned technical scheme, through stopper sliding connection in the inside of spacing groove, reach the effect of firm lift post position, avoid the lift post to follow the threaded rod and rotate, influence the lift of seat.

Further, as a preferred technical scheme, the leg assembly includes a first electric push rod and a leg pad, the first electric push rod is fixedly installed at the upper end of the base, and the leg pad is fixedly installed at the output end of the first electric push rod.

Through adopting above-mentioned technical scheme, play the effect of supporting patient thigh position through the landing leg subassembly, drive the landing leg pad rebound through first electric putter, reach the effect that makes the landing leg pad support patient thigh position, avoid patient's thigh position unsettled, make the patient more comfortable.

Further, as a preferred technical scheme, the supporting leg mechanism comprises a second electric push rod, a supporting plate and a foot placing frame, the second electric push rod is fixedly installed on the left side of the upper end of the base, the supporting plate is fixedly installed at the output end of the second electric push rod, a sliding assembly is arranged at the upper end of the supporting plate, and the foot placing frame is connected to the upper end of the supporting plate in a sliding mode through the sliding assembly.

Through adopting above-mentioned technical scheme, play the effect of supporting patient foot through putting the foot rest, drive extension board longitudinal movement through second electric putter, reach the effect of activity patient knee joint, and at the in-process that goes up and down, it rotates to put the foot rest through the runner assembly messenger, it is located comparatively comfortable position all the time to reach the foot that makes the patient, when using to promote the subassembly and wholly move about patient's shank, make to put the foot rest and follow patient's shank position through the sliding assembly and remove, avoid patient's foot and put the separation of foot rest, cause the patient to be uncomfortable.

Further, as a preferred technical scheme, the sliding assembly comprises a sliding groove and a sliding block, the sliding groove is formed in the upper end of the supporting plate, the sliding block is connected inside the sliding groove in a sliding mode, a rotating assembly is arranged at the upper end of the sliding block, and the foot rest is connected to the upper end of the sliding block in a rotating mode through the rotating assembly.

Through adopting above-mentioned technical scheme, through slider sliding connection in the inside of spout, make and put the shank that the foot frame follows the patient and remove, avoid patient's foot and put the foot frame separation and lead to patient's foot scotch.

Further, as preferred technical scheme, the rotating assembly includes recess and installation piece, the upper end at the slider is seted up to the recess, installation piece fixed mounting is at the lower extreme of foot rest, the installation piece rotates the inside of connecting in the recess.

Through adopting above-mentioned technical scheme, rotate the inside of connecting at the recess through the installation piece for put the scaffold frame when patient's shank activity, follow patient's foot and rotate, cause patient's foot discomfort or make ankle position sprain when avoiding moving.

Further, as a preferred technical solution, the pushing and lifting assembly is located between the leg assembly and the foot mechanism.

Through adopting above-mentioned technical scheme, through will pushing away the lift subassembly and set up between landing leg subassembly and stabilizer blade mechanism, make and push away the lift subassembly and be convenient for promote patient's knee joint and remove.

Further, as a preferred technical scheme, the pushing and lifting assembly comprises a third electric push rod and a push rod, the third electric push rod is fixedly installed on the left side of the upper end of the base, and the push rod is fixedly installed at the output end of the third electric push rod.

Through adopting above-mentioned technical scheme, support patient's shank through landing leg subassembly and stabilizer blade mechanism, make patient's shank keep the level, then drive patient's knee joint rebound through pushing away the lift subassembly, drive ejector pin rebound through third electric putter, make ejector pin drive patient's knee joint rebound, so reciprocal, reach the effect of taking exercise patient's shank.

To sum up, the utility model discloses mainly have following beneficial effect:

firstly, when lower limb exercise is needed, the supporting leg assembly plays a role in supporting the thigh part of a patient, so that the thigh part of the patient is prevented from being suspended continuously, the supporting leg mechanism plays a role in supporting the foot position of the patient, the supporting leg mechanism plays a role in moving the knee joint of the patient when driving the foot of the patient to move, discomfort or sprain of the ankle part of the patient caused in the moving process is avoided, the pushing and lifting assembly plays a role in pushing the knee joint of the patient to move, the effect of integrally moving the leg of the patient is achieved, the efficiency of lower limb exercise is improved, the situation that a rehabilitation doctor generates high labor intensity is avoided, and the rehabilitation training of the lower limb exercise for the patient is facilitated to be performed continuously;

secondly, the foot rest plays a role in supporting the feet of the patient, the support plate is driven to move longitudinally through the second electric push rod, the knee joint of the patient can be moved, the foot rest is rotated through the rotating assembly in the lifting process, the feet of the patient can be always located at a comfortable position, the foot rest can rotate along with the feet of the patient when the legs of the patient move, the discomfort of the feet of the patient or the sprain of the ankle part during the movement can be avoided, when the pushing assembly is used for moving the whole legs of the patient, the foot rest can move along with the shank part of the patient through the sliding assembly, the separation of the feet of the patient from the foot rest and the discomfort of the patient can be avoided;

the third, support patient's shank through landing leg subassembly and stabilizer blade mechanism, make patient's shank keep the level, then drive patient's knee joint rebound through pushing away the lift subassembly, drive ejector pin rebound through third electric putter, make the ejector pin drive patient's knee joint rebound, so reciprocal, reach the effect of taking exercise patient's shank, when the ejector pin upwards promotes patient's knee joint, through the inside of slider sliding connection at the spout, make and put the shank removal that the foot rest followed patient, avoid patient's foot and put the foot rest separation and lead to patient's foot scotch, when patient's knee joint rebound simultaneously, it follows patient's foot rotation through rotating assembly to put the foot rest, make patient's foot be in comfortable state all the time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the sleeve structure of the present invention;

fig. 4 is a schematic structural view of the leg mechanism of the present invention.

Reference numerals: 1. a base; 2. a sleeve; 21. a lifting column; 211. a support; 22. a lifting assembly; 221. a servo motor; 222. a threaded rod; 223. a thread groove; 23. a limiting component; 231. a limiting block; 232. a limiting groove; 3. a seat; 4. a leg assembly; 41. a first electric push rod; 42. a leg pad; 5. a leg mechanism; 51. a second electric push rod; 52. a support plate; 53. a foot placing frame; 54. a sliding assembly; 541. a chute; 542. a slider; 55. a rotating assembly; 551. a groove; 552. mounting blocks; 6. a push-up assembly; 61. a third electric push rod; 62. and a push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Example one

Referring to fig. 1 to 4, the lower limb exercising device for orthopedic nursing in this embodiment includes a base 1, a sleeve 2 is fixedly installed on the right side of the upper end of the base 1, a lifting column 21 is slidably connected inside the sleeve 2, a seat 3 is fixedly installed on the upper end of the lifting column 21, a lifting assembly 22 is fixedly installed inside the sleeve 2, the lifting assembly 22 is in transmission connection with the lifting column 21, a limiting assembly 23 is arranged at the lower end of the outer wall of the lifting column 21, a leg assembly 4 is fixedly installed on the upper end of the base 1, a leg mechanism 5 is fixedly installed on the left side of the upper end of the base 1, and a pushing assembly 6 is fixedly installed on the left side of the upper end of the base 1; make lift post 21 sliding connection in the inside of sleeve 2 through lifting subassembly 22, be convenient for adjust the height of seat 3 according to patient's needs, when low limbs are taken exercise to needs, play the effect of supporting patient thigh position through landing leg subassembly 4, it is unsettled to avoid patient's thigh position to last, play the effect of supporting patient foot position through stabilizer blade mechanism 5, when making stabilizer blade mechanism 5 drive patient foot and remove, play the effect of activity patient knee joint, and avoid leading to patient ankle position to produce discomfort or sprain at the removal in-process, play the effect that promotes patient knee joint and remove through promoting lift subassembly 6, reach the effect that makes patient's shank whole activity.

Referring to fig. 2, in order to fix the position of the seat 3, a bracket 211 is fixedly installed on a side wall of the lifting column 21 of the embodiment, and an upper end of the bracket 211 is fixedly connected with the seat 3; the seat 3 is supported by the bracket 211, so that the seat 3 is kept stable and the seat 3 is prevented from being inclined.

Referring to fig. 3, in order to adjust the height of the seat 3, the lifting assembly 22 of the present embodiment includes a servo motor 221, a threaded rod 222 and a threaded groove 223, the servo motor 221 is fixedly installed inside the base 1, the threaded rod 222 is fixedly installed at the output end of the servo motor 221, the upper end of the threaded rod 222 extends into the interior of the sleeve 2, the threaded groove 223 is opened at the lower end of the lifting column 21, and the upper end of the threaded rod 222 is threadedly connected inside the threaded groove 223; the limiting assembly 23 comprises a limiting block 231 and a limiting groove 232, the limiting block 231 is fixedly installed at the lower end of the side wall of the lifting column 21, the limiting groove 232 is formed in the inner wall of the sleeve 2, and the limiting block 231 is slidably connected inside the limiting groove 232; when the height of seat 3 needs to be adjusted, threaded rod 222 is driven to rotate through servo motor 221, threaded rod 222 rotates in threaded groove 223, the effect of longitudinal movement of lifting column 21 is achieved, the position of lifting column 21 is stabilized through limiting assembly 23, sliding connection is achieved inside limiting groove 232 through limiting block 231, the effect of stabilizing the position of lifting column 21 is achieved, lifting column 21 is prevented from rotating along with threaded rod 222, and the lifting of seat 3 is affected.

Example two

Referring to fig. 2, in order to better support the thigh of the patient, the present embodiment is based on the first embodiment, and the leg assembly 4 is innovatively designed, specifically, the leg assembly 4 of the present embodiment includes a first electric push rod 41 and a leg pad 42, the first electric push rod 41 is fixedly installed at the upper end of the base 1, and the leg pad 42 is fixedly installed at the output end of the first electric push rod 41; play the effect of supporting patient's thigh position through leg assembly 4, drive leg pad 42 rebound through first electric putter 41, reach the effect that makes leg pad 42 support patient's thigh position, avoid patient's thigh position unsettled, make the patient more comfortable.

Referring to fig. 2-4, in order to exercise the knee joint of the patient and make the patient more comfortable, the leg mechanism 5 of the present embodiment includes a second electric push rod 51, a support plate 52 and a leg placing frame 53, the second electric push rod 51 is fixedly installed at the left side of the upper end of the base 1, the support plate 52 is fixedly installed at the output end of the second electric push rod 51, the upper end of the support plate 52 is provided with a sliding assembly 54, and the leg placing frame 53 is slidably connected to the upper end of the support plate 52 through the sliding assembly 54; the sliding assembly 54 comprises a sliding groove 541 and a sliding block 542, the sliding groove 541 is arranged at the upper end of the support plate 52, the sliding block 542 is connected inside the sliding groove 541 in a sliding manner, the upper end of the sliding block 542 is provided with a rotating assembly 55, and the foot rest 53 is connected to the upper end of the sliding block 542 in a rotating manner through the rotating assembly 55; the rotating assembly 55 comprises a groove 551 and a mounting block 552, the groove 551 is arranged at the upper end of the sliding block 542, the mounting block 552 is fixedly arranged at the lower end of the foot rest 53, and the mounting block 552 is rotatably connected inside the groove 551; play the effect of supporting patient's foot through foot rest 53, drive extension board 52 longitudinal movement through second electric putter 51, reach the effect of activity patient knee joint, and at the in-process that goes up and down, make foot rest 53 rotate through runner assembly 55, it is located comparatively comfortable position all the time to reach the foot that makes the patient, rotate the inside of connecting at recess 551 through installation piece 552, make foot rest 53 when patient's shank activity, follow patient's foot and rotate, cause patient's foot discomfort or make ankle position sprain when avoiding moving about, when using to promote subassembly 6 to move about patient's shank is whole, make foot rest 53 follow patient's shank position through sliding assembly 54 and remove, avoid patient's foot and foot rest 53 separation, cause patient's discomfort.

EXAMPLE III

Referring to fig. 2, in order to facilitate pushing the knee joint of the patient to move, in the present embodiment, on the basis of the second embodiment, a pushing and lifting assembly 6 is added, and the knee joint of the patient is pushed to move by the pushing and lifting assembly 6. In order to realize better pushing, the pushing and lifting assembly 6 of the present embodiment includes a third electric push rod 61 and a push rod 62, the third electric push rod 61 is fixedly installed at the left side of the upper end of the base 1, and the push rod 62 is fixedly installed at the output end of the third electric push rod 61; support patient's shank through landing leg subassembly 4 and stabilizer blade mechanism 5, make patient's shank keep the level, then drive patient's knee joint rebound through pushing away lift subassembly 6, drive ejector pin 62 rebound through third electric putter 61, make ejector pin 62 drive patient's knee joint rebound, it is reciprocal so, reach the effect of taking exercise patient's shank, when ejector pin 62 upwards promotes patient's knee joint, through slider 542 sliding connection in the inside of spout 541, make and put the shank removal that the foot rest 53 followed the patient, avoid patient's foot and put the foot rest 53 separation to lead to patient's foot scotch, when patient's knee joint rebound simultaneously, it follows patient's foot through runner assembly 55 and rotates to put the foot rest 53, make patient's foot be in comfortable state all the time.

The utility model discloses a theory of operation: the lifting column 21 is connected inside the sleeve 2 in a sliding manner through the lifting assembly 22, the height of the seat 3 can be conveniently adjusted according to the needs of a patient, the threaded rod 222 is driven to rotate through the servo motor 221, the threaded rod 222 is driven to rotate inside the threaded groove 223, the effect of enabling the lifting column 21 to move longitudinally is achieved, the position of the lifting column 21 is stabilized through the limiting assembly 23, the limiting block 231 is connected inside the limiting groove 232 in a sliding manner to achieve the effect of stabilizing the position of the lifting column 21, the lifting column 21 is prevented from rotating along with the threaded rod 222 to influence the lifting of the seat 3, the position of the seat 3 is supported through the support 211, the seat 3 is prevented from inclining, when lower limb exercise needs to be performed, the effect of supporting the thigh part of the patient is achieved through the supporting leg assembly 4, the supporting leg pad 42 is driven to move upwards through the first electric push rod 41, and the effect of enabling the supporting leg pad 42 to support the thigh part of the patient is achieved, the thigh part of the patient is prevented from being suspended, the patient is more comfortable, the supporting leg mechanism 5 plays a role in supporting the foot position of the patient and moving the knee joint of the patient, the foot placing frame 53 plays a role in supporting the foot of the patient, the supporting plate 52 is driven to move longitudinally through the second electric push rod 51, the knee joint of the patient is moved, in the lifting process, the foot placing frame 53 is rotated through the rotating assembly 55 to enable the foot of the patient to be always positioned at a more comfortable position, the supporting leg mechanism is rotatably connected inside the groove 551 through the mounting block 552, the foot placing frame 53 rotates along with the foot of the patient when the leg of the patient moves, the foot discomfort of the patient or the ankle sprain part during the movement is avoided, the leg of the patient is supported through the supporting leg assembly 4 and the supporting leg mechanism 5, the leg of the patient is kept horizontal, and then the knee joint of the patient is driven to move upwards through the lifting assembly 6, drive ejector pin 62 rebound through third electric putter 61, make ejector pin 62 drive patient's knee joint rebound, so reciprocal, reach the effect of tempering patient's shank, when ejector pin 62 upwards promotes patient's knee joint, through slider 542 sliding connection in the inside of spout 541, make and put the shank removal that foot frame 53 followed the patient, avoid patient's foot and put the foot frame 53 separation and lead to patient's foot scotch, simultaneously during patient's knee joint rebound, put foot frame 53 and follow patient's foot through rotating assembly 55 and rotate, make patient's foot be in comfortable position all the time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a device is tempered to low limbs for orthopedic nursing which characterized in that: including base (1), the upper end right side fixed mounting of base (1) has sleeve (2), the inside sliding connection of sleeve (2) has lift post (21), the upper end fixed mounting of lift post (21) has seat (3), the inside fixed mounting of sleeve (2) has lifting subassembly (22), lifting subassembly (22) are connected with lift post (21) transmission, the lower extreme of lift post (21) outer wall is provided with spacing subassembly (23), the upper end fixed mounting of base (1) has landing leg subassembly (4), the upper end left side fixed mounting of base (1) has stabilizer blade mechanism (5), the upper end left side fixed mounting of base (1) has the subassembly that promotes (6).

2. A lower extremity exercise device for orthopedic care according to claim 1, characterized in that: the side wall of lifting column (21) is fixedly mounted with a support (211), and the upper end of support (211) is fixedly connected with seat (3).

3. A lower extremity exercise device for orthopedic care according to claim 1, characterized in that: lifting subassembly (22) include servo motor (221), threaded rod (222) and thread groove (223), servo motor (221) fixed mounting is in the inside of base (1), threaded rod (222) fixed mounting is at the output of servo motor (221), the inside of sleeve (2) is stretched into to the upper end of threaded rod (222), the lower extreme at lift post (21) is seted up in thread groove (223), the inside at thread groove (223) is connected to the upper end screw thread of threaded rod (222).

4. A lower extremity exercise device for orthopedic care according to claim 1, characterized in that: spacing subassembly (23) include stopper (231) and spacing groove (232), stopper (231) fixed mounting is at the lower extreme of lift post (21) lateral wall, the inner wall at sleeve (2) is seted up in spacing groove (232), stopper (231) sliding connection is in the inside of spacing groove (232).

5. A lower extremity exercise device for orthopedic care according to claim 1, characterized in that: the supporting leg assembly (4) comprises a first electric push rod (41) and a supporting leg pad (42), the first electric push rod (41) is fixedly installed at the upper end of the base (1), and the supporting leg pad (42) is fixedly installed at the output end of the first electric push rod (41).

6. A lower extremity exercise device for orthopedic care according to claim 1, characterized in that: the supporting leg mechanism (5) comprises a second electric push rod (51), a supporting plate (52) and a supporting leg frame (53), the second electric push rod (51) is fixedly installed on the left side of the upper end of the base (1), the supporting plate (52) is fixedly installed at the output end of the second electric push rod (51), a sliding assembly (54) is arranged at the upper end of the supporting plate (52), and the supporting leg frame (53) is connected to the upper end of the supporting plate (52) in a sliding mode through the sliding assembly (54).

7. A lower extremity exercise device for orthopedic care according to claim 6, characterized in that: the sliding assembly (54) comprises a sliding groove (541) and a sliding block (542), the sliding groove (541) is formed in the upper end of the support plate (52), the sliding block (542) is connected inside the sliding groove (541) in a sliding mode, a rotating assembly (55) is arranged at the upper end of the sliding block (542), and the foot rest (53) is connected to the upper end of the sliding block (542) in a rotating mode through the rotating assembly (55).

8. A lower extremity exercise device for orthopedic care according to claim 7, characterized in that: the rotating assembly (55) comprises a groove (551) and a mounting block (552), the groove (551) is formed in the upper end of the sliding block (542), the mounting block (552) is fixedly mounted at the lower end of the foot rest (53), and the mounting block (552) is rotatably connected inside the groove (551).

9. A lower extremity exercise device for orthopedic care according to claim 1, characterized in that: the pushing and lifting assembly (6) is positioned between the supporting leg assembly (4) and the supporting leg mechanism (5).

10. A lower extremity exercise device for orthopedic care according to claim 1, characterized in that: the pushing and lifting assembly (6) comprises a third electric push rod (61) and an ejector rod (62), the third electric push rod (61) is fixedly installed on the left side of the upper end of the base (1), and the ejector rod (62) is fixedly installed at the output end of the third electric push rod (61).

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