Ventilative orthopedic boot with an air cushion

1. An orthopedic boot comprising:

a boot body having:

a foot support having:

a sole panel;

two side walls formed on and protruding from two side edges of the sole panel;

a leg support connected to the two side walls of the foot support extending upward from the sole panel, and having:

a free edge opposite to the foot support;

multiple slits formed in the free edge of the leg support to make the free edge of the leg support expandable; and

multiple vents defined through the leg support;

an air cushion mounted on the foot; and

a toecap mounted on a front end of the foot support and positioned in between the two side walls;

a front cover mounted on the boot body to close gaps between edges of the two side walls of the foot support and the leg support; and

at least one binding strap mounted between the boot body and the front cover to securely connect the front cover on the boot body, wherein:

the foot support has multiple connection holes defined in the two side walls of the foot support near the front end of the foot support and arranged in multiple pairs; and

the toecap has two connection shafts formed respectively on two ends of the toecap and connected to one of the multiple pairs of the multiple connection holes in the foot support.

2. The orthopedic boot as claimed in claim 1 , wherein the air cushion is mounted on the sole panel at a position corresponding to a heel of a user.

3. The orthopedic boot as claimed in claim 2 , wherein a cushion recess is defined in a top of the sole panel, and wherein the air cushion is mounted in the cushion recess.

4. The orthopedic boot as claimed in claim 3 , wherein the toecap is adjustably mounted on the front end of the foot support and is U-shaped.

5. The orthopedic boot as claimed in claim 1 , wherein:

each connection shaft of the toecap has a shaft body and an enlarged head formed on the shaft body; and

each connection hole in the foot support is elongated and has:

a width being larger than a diameter of the shaft body of each connection shaft and smaller than a length of the enlarged head of each connection shaft; and

a height being larger than the length of the enlarged head of each connection shaft.

6. The orthopedic boot as claimed in claim 5 , wherein the front cover comprises:

a foot segment attached to the top of the foot support to close a gap formed between edges of the two side walls of the foot support;

a leg segment attached to the leg support to close a gap between edges of the leg support; and

a conjunction segment being resilient and formed between the foot segment and the leg segment.

7. The orthopedic boot as claimed in claim 6 , wherein the front cover further has multiple vents formed through the foot segment and the leg segment of the front cover.

8. The orthopedic boot as claimed in claim 1 , wherein the toecap is adjustably mounted on the front end of the foot support and is U-shaped.

9. The orthopedic boot as claimed in claim 8 , wherein:

each connection shaft of the toecap has a shaft body and an enlarged head formed on the shaft body; and

each connection hole in the foot support is elongated and has:

a width being larger than a diameter of the shaft body of each connection shaft and smaller than a length of the enlarged head of each connection shaft; and

a height being larger than the length of the enlarged head of each connection shaft.

10. The orthopedic boot as claimed in claim 1 , wherein the front cover comprises:

a foot segment attached to the top of the foot support to close a gap formed between edges of the two side walls of the foot support;

a leg segment attached to the leg support to close a gap between edges of the leg support; and

a conjunction segment being resilient and formed between the foot segment and the leg segment.

11. The orthopedic boot as claimed in claim 10 , wherein the front cover further has multiple vents formed through the foot segment and the leg segment of the front cover.