KR102496198B1 - Crutches that support the load with the thigh - Google Patents

Abstract

A crutch for supporting a load with the thigh is disclosed. The crutches for supporting the load with the thighs, in the crutches for supporting the load with the thighs, the thigh holding portion fixed to surround the thighs; A calf gripper fixed to surround the calf; Supporting units including ground support bars installed to face each other on both sides of the thigh gripping unit and on both sides of the calf gripping unit and supported on the ground to support a load during walking; And one side is installed on one side of the thigh gripping part, and the other side is installed on the upper part of the ground support bar, so that the user's knee can be freely bent when the ground support bar is separated from the ground during walking. Based on one side of the thigh gripping part Rotate so that the angle of the thigh gripping part and the calf gripping part can be varied, and when the ground support bar touches the ground during walking and the user's weight is concentrated on the ground support bar, the user's knee is fixed without bending It may include; rotation fixing means for fixing the angle of the thigh gripping part and the calf gripping part in the state of being.

Description

Crutches that support the load with the thigh {CRUTCHES THAT SUPPORT THE LOAD WITH THE THIGH}

The present invention relates to crutches supporting a load with the thighs, and more specifically, the crutches can be worn on the thighs without supporting the user's load through the armpits, thereby enabling walking while supporting the load with the thighs. It relates to crutches that support a load with one thigh so that both hands can be used freely when performing the task.

In general, crutches are representative of the most frequently used medical devices for patients with leg injuries. These crutches can be moved even by a patient with an injured leg by holding the handle provided between the upper part located in the armpit of the patient and the lower part located on the ground with the hand and applying force with the hand so that the lower part spur the ground instead of the injured foot or leg. It is configured so that

In other words, such conventional crutches, in order for a patient with an injured leg to move, must use their hands inevitably, and this prevents a patient with an injured leg from freely using not only their legs but also their hands while moving, causing many inconveniences. will be said to have

In addition, when using these existing crutches, there is a problem of causing armpit pain when used for a long time because the crutches are inserted into the armpit and supported.

On the other hand, in the past, in order to solve this inconvenience, 'leg-mounted crutches (Korean Patent Publication No. 10-2015-0050193)', which can be attached to the legs to freely use the hands even for patients with injured legs, has been proposed. there is.

However, in the conventional leg-mounted crutches, a first main frame supporting the thigh and a second main frame supporting the calf are connected, and an angle adjustment joint is installed at the connecting portion of the first main frame and the second main frame to determine a predetermined value. It is configured so that the user can adjust the angle within the range of.

That is, it is made to limit the range of angles by reflecting the bending shape of the user's knee, and the once adjusted angle is locked and fixed, so that the movement of the patient's foot is inevitably limited, which causes discomfort during walking. there is.

Republic of Korea Patent Publication 10-2015-0050193

An object of the present invention is to solve this problem, so that the user's load can be worn on the thigh without supporting it through the armpit, so that the user can walk while supporting the load with the thigh, so that both hands can be used freely during walking. It is to provide crutches that support the load with the thighs having a structure in which the knee is variably rotated according to the bending angle of the knee during walking and the angle is fixed only when the foot touches the ground.

Crutches for supporting the load with the thighs according to one embodiment of the technical idea of the present invention for achieving the above object, in the crutches for supporting the load with the thighs, the thigh holding portion fixed to surround the thighs; A calf gripper fixed to surround the calf; Supporting units including ground support bars installed to face each other on both sides of the thigh gripping unit and on both sides of the calf gripping unit and supported on the ground to support a load during walking; And one side is installed on one side of the thigh gripping part, and the other side is installed on the upper part of the ground support bar, so that the user's knee can be freely bent when the ground support bar is separated from the ground during walking. Based on one side of the thigh gripping part Rotate so that the angle of the thigh gripping part and the calf gripping part can be varied, and when the ground support bar touches the ground during walking and the user's weight is concentrated on the ground support bar, the user's knee is fixed without bending It may include; rotation fixing means for fixing the angle of the thigh gripping part and the calf gripping part in the state of being.

In addition, the thigh gripping portion, the thigh support member supporting the back portion of the thigh; and a strap installed on one side of the thigh support member and wrapping the front portion of the thigh by compressing the thigh support member to firmly fix the thigh support member to the thigh. and a strap installed on one side of the calf support member and wrapping the shin portion by compressing the calf support member to firmly fix the calf support member to the calf.

In addition, the support portion includes a thigh support bar installed on both sides of the thigh gripping portion; It is installed on both sides of the calf gripping part, is formed to extend in the longitudinal direction, and is supported on the ground at the lower end to increase the contact surface when in contact with the ground to disperse the user's concentrated weight and to mitigate the impact. Ground support with a buffer member installed bar; and a connection member installed above the ground support bar, provided with a groove therein, into which one side of the rotation fixing means is inserted, and connecting the thigh support bar and the ground support bar.

In addition, in the connecting member, a spring may be embedded in a portion where the pivot fixing means is inserted to support the pivot fixing means while mitigating the impact transmitted from the pivot fixing means and maintaining set elasticity.

In addition, the upper portion of the ground support bar may be attached to both sides of the calf support member and extend in the longitudinal direction, and may be made to gather at one point at the lower end while continuing from the upper portion to the lower portion.

In addition, an inclined surface portion may be formed on one side of a bottom portion in contact with the ground in the buffer member.

In addition, the rotation fixing means, when the ground support bar is supported on the ground in a state in which the user's weight is concentrated on the ground support bar at the moment the ground support bar touches the ground, the force acting in the vertical direction transmitted through the ground support bar is horizontal By distributing and acting in both directions, the angle of the thigh gripper and the calf gripper can be fixed.

In addition, the pivoting fixing means, the body is installed on one side of the gripping portion of the thigh, has a spring groove formed therein, and has a connection bar hole having one side open to communicate with the spring groove; a spring inserted into the spring groove; One side is coupled to the spring, the other side is a first sawtooth member formed along the circular rim except for the central portion; A second tooth member on one side having teeth formed along a circular rim except for the center portion to engage with the teeth of the first tooth member, and on the other side having fastening grooves cut outward from the center at regular intervals; A first shaft groove member on one side of which a fastening protrusion protrudes so that it can be coupled to correspond to the fastening groove, and on the other side, a shaft insertion groove formed with a shaft hole; A connection bar having a first shaft insertion portion having a lower end connected to the upper part of the ground support bar, a space provided by a partial cut at the upper end, and a shaft inserted through the center portion of the cut space; The connecting bar is disposed on one side and the other side, and the second shaft insertion part provided on one side is shaft-coupled with the first shaft insertion part, and the third shaft insertion part provided on the other side is inserted into the shaft insertion groove of the first shaft groove member. Rotation pieces including first and second rotation pieces that are axially coupled; One side is a second shaft groove member formed with a shaft insertion groove formed with a shaft hole for shaft coupling with the third shaft insertion portion of the rotation piece on one side; a cylinder member provided with an accommodation groove in which the second shaft groove member is accommodated; and a cover having a space provided therein, a connecting bar hole having one side open to communicate with the inner space and into which the connecting bar is inserted, and sliding while wrapping around the outside of the body.

In addition, a pair of the pivot fixing means may be provided on both sides of the thigh gripper.

In addition, the pivoting piece on one side, the first shaft groove member, the second sawtooth member, the first sawtooth member, the spring, and the body are coupled to one side based on the connecting bar in this order, and the other side based on the connecting bar. To the other side, the pivot piece, the second shaft groove member, the cylinder member, and the cover are coupled in order, so that the ground support bar is supported on the ground and the center of gravity of the user's weight is concentrated on the upper side of the ground support bar. When the connecting bar rises, the pivoting piece on one side and the pivoting piece on the other side rotate to a horizontal state and push the first shaft groove member and the second shaft groove member outward, thereby pushing the second sawtooth member and the As the teeth of the first sawtooth member are engaged, the rotation of the connecting bar is restricted, so that an angle between the thigh gripper and the calf gripper may be fixed.

In addition, at least one inner groove may be formed on one side and the other side of the spring groove in the body, and at least one side projection inserted into the inner groove may be formed on the first toothed member.

In addition, a flange having an extended edge portion may be formed in the cylinder member, and a cylinder hole may be formed in the cover to allow the cylinder member to be fixed to the cover while the flange is engaged.

The crutches supporting the load with the thigh according to the present invention are made to be worn on the thigh without supporting the user's load through the armpit, thereby reducing the user's fatigue when used for a long time without causing pain in the armpit. It is possible to walk while supporting the load with the thighs, allowing both hands to be used freely while walking, and has a structure that turns variably according to the bending angle of the knee while walking and the angle is fixed only when the foot touches the ground. As a result, it is possible to induce a stable and natural gait, thereby reducing the fatigue caused by walking and reducing the risk of falling due to an unstable posture.

1 is a perspective view of a crutch for supporting a load with a thigh according to an embodiment of the present invention.
Figure 2 is a side view of crutches for supporting a load to the thigh according to an embodiment of the present invention.
Figure 3 is a front view of crutches for supporting a load with the thigh according to an embodiment of the present invention.
4 to 5 is a state diagram of a state wearing crutches for supporting the load with the thigh of the present invention.
6 to 7 are exploded perspective views of the rotating fixing means.
8 to 9 are operating state diagrams showing the appearance before and after the operation of the rotation fixing means.

In order to fully understand the present invention and its operational advantages and objectives achieved by the practice of the present invention, reference should be made to the accompanying drawings illustrating preferred embodiments of the present invention and the description in the drawings.

Hereinafter, the present invention will be described in detail by describing preferred embodiments of the present invention with reference to the accompanying drawings. Like reference numerals in each figure indicate like members.

Crutches for supporting the load with the thighs according to an embodiment of the technical idea of the present invention are made to be worn on the thighs without supporting the user's load through the armpits, thereby enabling walking while supporting the load with the thighs The present invention relates to crutches supporting a load with thighs having a structure in which both hands can be freely used when walking, and the angle is variably rotated according to the bending angle of the knee during walking and the angle is fixed only when the foot touches the ground.

1 is a perspective view of a crutch for supporting a load with a thigh according to an embodiment of the present invention, Figure 2 is a side view of a crutch for supporting a load with a thigh according to an embodiment of the present invention, Figure 3 is a side view of the crutches of the present invention A front view of a crutch for supporting a load with a thigh according to an embodiment, and FIGS. 4 to 5 are state diagrams of a state wearing crutches for supporting a load with the thigh of the present invention.

1 to 5, the crutch 1 for supporting the load with the thigh according to an embodiment of the present invention includes a thigh gripping part 10, a calf gripping part 20, a support part 30, and a rotation A fixing means 100 may be included.

First, the thigh gripping part 10 is a part fixed to surround the user's thigh, and is installed on one side of the thigh supporting member 11 and the thigh supporting member 11 supporting the rear part of the thigh, and the thigh supporting member 11 It may include a strap 12 that wraps around the front part of the thigh by compressing it in order to firmly fix the thigh to the thigh.

The thigh support member 11 is made to cover more than half of the thigh and may be made of a double structure to minimize discomfort due to wearing while maintaining the mold when worn on the user's thigh. That is, the outer part is made of a hard synthetic resin material to maintain the mold, and the inner part in contact with the thigh is made of a relatively soft material and is adjustable to fit the user's thigh thickness, so that wearability can be improved.

The strap 12 is a part for fixing the thigh support member 11 according to the thickness of the user's thigh in a state in which the thigh support member 11 is arranged to be wrapped around the user's thigh. The strap 12 is fixed to the ring of the hook, and the strap 12 can be fixed in a pulled state by hooking it to the ring. At this time, the strap 12 is made of a Velcro structure to provide convenience of wearing. However, the strap 12 is not limited to a Velcro structure, and may include any means capable of attaching and fixing the strap 12, such as a snap button, without limitation.

Next, the calf gripping part 20 is a part fixed to surround the user's calf, and is installed on one side of the calf support member 21 and the calf support member 21 supporting the rear part of the calf, and the calf support member 21 ) may include a strap 22 that wraps around the front part of the calf by compressing it in order to firmly fix it to the calf.

The calf support member 21 is made to cover more than half of the paper roll and may be made of a double structure to minimize discomfort caused by wearing while maintaining the mold when worn on the user's calf. That is, the outer part is made of a hard synthetic resin material to maintain the mold, and the inner part in contact with the calf is made of a relatively soft material to be adjustable to the thickness of the user's calf, so that wearability can be improved.

The strap 22 is a part for fixing the calf support member 21 to fit the thickness of the user's calf in a state in which the calf support member 21 is arranged to wrap around the user's calf, and is provided with rings on both sides of the calf support member 21 to one side The strap 22 is fixed to the ring of the strap 22 can be fixed in a state where the strap 22 is hooked and pulled. At this time, the strap 22 is made of a Velcro structure to provide convenience of wearing. However, the strap 22 is not limited to a Velcro structure, and may include, for example, any means capable of attaching and fixing the strap 22, such as a snap button, without limitation.

Next, the support part 30 is installed to face both sides of the thigh gripping part 10 and the calf gripping part 20, and is supported on the ground during walking to support the load. Includes a ground support bar 32 part of doing

The support part 30 is installed on both sides of the thigh support bar 31 installed on both sides of the thigh gripping part 10 and the calf gripping part 20, and is formed to extend in the longitudinal direction, and the lower end is supported on the ground It is installed on the ground support bar 32 and the ground support bar 32 with a buffer member 33 for distributing the user's concentrated weight and relieving shock by increasing the contact surface when in contact with the ground, A groove is provided, one side of the rotation fixing means 100 is inserted, and a connection member 35 connecting the thigh support bar 31 and the ground support bar 32 may be included.

The thigh support bar 31 is a structure attached to both sides of the thigh support member 11 in a 'bar' shape, and the ground support bar 32 is a portion extending toward the ground and in contact with the ground.

At this time, a buffer member 33 made of an elastic material may be installed at an end of the ground support bar 32 in contact with the ground, where the user's weight is concentrated.

On the other hand, the connection member 35 installed on the upper part of the ground support bar 32 is to support the pivot fixing means 100 while mitigating the shock transmitted from the rotation fixing means 100 and maintaining the set elasticity. For this purpose, a spring (not shown) may be embedded in a portion where the rotation fixing means 100 is inserted.

That is, a spring is built into the connecting member 35 to accommodate the pressure transmitted from the pivoting fixing means 100 through elasticity, and when the pressure of the pivoting fixing means 100 is lowered to the standard set pressure or less, the spring By the restoring force, the rotation fixing means 100 is initially raised to its original position.

On the other hand, the upper portion of the ground support bar 32 is attached to both sides of the calf support member 21 and extends in the longitudinal direction, and may be made to gather at one point at the lower end while continuing from the top to the bottom.

At this time, the ground support bar 32 may be bent to have a gentle curvature and be formed to gather at one point. This is basically to obtain an effect of distributing the user's weight while maintaining elasticity.

On the other hand, the buffer member 33 may be formed with an inclined surface portion 34 inclined at one side of the bottom portion contacting the ground, that is, a portion of the front surface. That is, when the user moves forward while walking, the friction generating factor is removed through the inclined surface portion 34 formed in the front part of the buffer member 33, so that the gait motion can be performed without frictional resistance, thereby reducing the inconvenience of safe walking and walking posture. be able to reduce

Finally, the rotation fixing means 100 has one side installed on one side of the thigh gripping part 10 and the other side installed on the upper part of the ground support bar 32, and the ground support bar 32 is removed from the ground when walking. When separated, the thigh gripping part 10 is rotated based on one side so that the user's knee can be bent freely, so that the angle between the thigh gripping part 10 and the calf gripping part 20 can be varied, and when walking When the ground support bar 32 touches the ground and the user's weight is concentrated on the ground support bar 32, the user's knee is fixed without bending, and the thigh gripping part 10 and the calf wave This part allows the angle of the branch 20 to be fixed.

Hereinafter, the pivot fixing means 100 will be described in detail.

6 to 7 are exploded perspective views of the rotation fixing means, and FIGS. 8 to 9 are operational state diagrams showing the state before and after the operation of the rotation fixing means.

5 to 8, in the crutches 1 supporting the load with the thighs according to the present invention, the pivot fixing means 100 allows the user to walk with the knees bent more freely during walking. It is a part for variably rotating or fixing the thigh gripping part 10 and the calf gripping part 20.

The rotation fixing means 100 supports the ground when the ground support bar 32 is supported on the ground in a state in which the user's weight is concentrated on the ground support bar 32 at the moment the ground support bar 32 touches the ground. This is a part that fixes the angle between the thigh gripping part 10 and the calf gripping part 20 by distributing and acting on both sides of the vertical direction transmitted through the bar 32.

The rotation fixing means 100 is largely a body 110, a spring 120, a first saw member 130, a second saw member 140, a first shaft groove member 150, a connecting bar 160, a rotation It may include a piece 170, a second shaft groove member 180, a cylinder member 190 and a cover 200.

First, the body 110 has an external shape of a cylindrical structure and is installed on one side of the thigh gripping part 10, and a spring groove 111 is formed inside so that a spring can be accommodated, and in the center of the spring groove 111 It may be formed in a protruding shape, and a connection bar hole 113 having one side open so as to communicate with the spring groove 111 may be formed. The body 110 is attached and fixed to one side of the thigh support member 11 of the thigh gripper 10, and at this time, it may be installed to come into contact with the lower end of the thigh support bar 31. Accordingly, the force applied to the body 110 may be supported by the thigh support bar 31 .

Next, the spring 120 is a part inserted into the spring groove 111 as a normal spring having elasticity and restoring force for a buffering action. The spring 120 may be installed such that one end is fixed to the inner surface of the spring groove 111 .

Next, one side of the first sawtooth member 130 is coupled to the spring 120, and the other side is a portion where teeth are formed along the circular rim except for the center portion. That is, the first sawtooth member 130 may be coupled to the spring 120 and accommodated in the spring groove 111 .

On the other hand, at least one inner groove 112 may be formed on one side and the other side of the spring groove 111 in the body 110, and the first tooth member 130 is inserted into the inner groove 112. At least one side protrusion 131 may be formed.

At least one or at least two of the inner grooves 112 are formed to face each other on the inner surface of the spring groove 111, and the side protrusions 131 correspond to the inner grooves 112 so that the first toothed member 130 ) may protrude on the outer circumferential surface.

In this way, the first sawtooth member 130 is accommodated while sliding into the spring groove 111 in a state in which the side protrusion 131 is inserted into the inner groove 112, so that the first tooth member 130 moves horizontally without being separated from a predetermined position or rotated. this becomes possible

Next, one side of the second sawtooth member 140 is formed with sawtooth along the circular rim except for the center portion so as to engage with the sawtooth of the first sawtooth member 130, and the other side is outward from the center. This is a portion in which fastening grooves 141 cut at regular intervals are formed. At this time, the teeth meshing with each other of the first tooth member 130 and the first tooth member 140 are formed in the same tooth shape to be firmly engaged with each other, and the fastening groove 141 extends from the central portion to the outer circumferential surface. It is open, but multiple pieces may be formed. At this time, the first tooth member 130 and the second tooth member 140 are not in a state in which teeth are always engaged, but may be temporarily engaged or separated by a user's selection.

Next, one side of the first shaft groove member 150 is formed with a fastening protrusion 151 protruding so that it can be coupled to correspond to the fastening groove 141, and the other side has a shaft insertion groove 152 formed with a shaft hole. part formed. That is, the first shaft groove member 150 is configured to be coupled to the second sawtooth member 140, and the first shaft groove member 150 is connected to the fastening groove 141 of the second sawtooth member 140. The fastening protrusion 151 may be coupled in an interference fit manner.

On the other hand, the shaft insertion groove 152 may have a structure in which a shaft hole is formed so that a 'shaft' or 'pin' structure is inserted and one side of the pivoting piece 170 to be described later is shaft-coupled. In addition, a groove may be formed to provide a space for accommodating a part of the pivoting piece 170 to be described later.

Next, the lower end of the connecting bar 160 is connected to the upper part of the ground support bar 32, the upper end is partially cut to provide a space, and the shaft is inserted into the center of the cut space First shaft insertion portion 161 ) is the part provided.

The connection bar 160 is disposed between the thigh support member 11 and the calf support member 21, and substantially connects the load transmitted from the user's thigh to the ground support bar 32 am. The connecting bar 160 may have a bar shape, and the first shaft insertion part 161 may be provided in a cylindrical hollow shape at one side of the upper portion.

Next, the pivoting piece 170 is disposed on one side and the other side of the connecting bar 160, and the second shaft insert 171 provided on one side is shaft-coupled with the first shaft insert 161, The third shaft insertion portion 172 provided on the other side may include a first rotational piece 170a and a second rotational piece 170b shaft-coupled to the shaft insertion groove 152 of the first shaft groove member 150. can

At this time, the second shaft insertion portion 171 of the second rotational piece 170b is placed in close contact with one side of the first shaft insertion portion 161 on the same axis, and the first shaft insertion portion 161 and the second shaft insertion portion 161 are placed in close contact with each other. In a state in which the second shaft insertion portion 171 of the second rotational piece 170b is in close contact, the second shaft insertion portion 171 of the first rotational piece 170a is disposed on both sides of the outer portion on the same axis. By being coupled, the first rotational piece 170a and the second rotational piece 170b can be axially coupled around the first shaft insertion part 161 so as to be rotatable.

That is, the rotational piece 170 is shaft-coupled so that the first rotational piece 170a is disposed on one side and the second rotational piece 170b is disposed on the other side of the connection bar 160, respectively, and the connection bar 160 ) According to the vertical movement of the rotation piece 170 is rotated in a state where the first shaft insertion portion 161 and the second shaft insertion portion 171 are disposed on the same axis.

Next, one side of the second shaft groove member 180 is a portion in which a shaft insertion groove 181 is formed with a shaft hole for shaft coupling with the third shaft insertion portion 172 of the rotation piece 170) on one side. . That is, the second shaft groove member 180 may be formed similarly to a structure in which only the fastening protrusion 151 is omitted from the first shaft groove member 150. Therefore, the first shaft groove member 150 and the second shaft groove member 180 may be disposed to face one side and the other side with respect to the connecting bar 160.

Next, the cylinder member 190 is a portion provided with an accommodation groove 191 in which the second shaft groove member 180 is accommodated, and a flange 192 with an extended rim portion is formed in the cylinder member 190. At this time, a cylinder hole 220 may be formed in the cover 200 to be described later so that the cylinder member 190 is fixed to the cover 200 while the flange 192 is caught.

Finally, the cover 200 has a space inside, a connection bar hole 210 into which the connection bar 160 is inserted, one side of which is open to communicate with the inner space, and surrounds the outside of the body 110. It is a part that slides while moving.

The cover 200 has a cylindrical structure with a space inside, and one open side is inserted into the body 110, a connecting bar 160 is positioned through the connecting bar hole 210, and the cylinder hole formed on the outside. Through 220, the cylinder member 190 can be inserted so as to be hooked so that the side surface is exposed.

A pair of the pivot fixing means 100 may be provided on both sides of the thigh gripping part 10 .

On the other hand, the coupling structure and operation of the rotation fixing means 100 will be described as follows.

First, the first rotation piece 170a on one side, the first shaft groove member 150, the second sawtooth member 140, and the first sawtooth member 130 on one side based on the connecting bar 160 ), the spring 120, and the body 110 are coupled in this order, to the other side with respect to the connecting bar 160, the second pivot piece 170b on the other side, the second shaft groove member 180, The cylinder member 190 and the cover 200 may be coupled in order.

On the other hand, when the user wears the crutches (1) and supports the ground while walking or is separated from the ground repeatedly, when the ground support bar 32 touches the ground, the ground support bar 32 is supported on the ground. ) and the force transmitted from the thigh gripper 10 according to the load of the user's body weight are concentrated on each other near the connection member 35.

At this time, when the ground support bar 32 is supported on the ground and the connection bar 160 rises according to the action in which the center of gravity of the user's weight is concentrated on the upper side of the ground support bar 32, the first The pivoting piece 170a and the second pivoting piece 170b on the other side rotate so that the connecting bar 160 and the pivoting piece 170 are in a 'T' shape in a horizontal state, and the first shaft groove member 150 ) and the second shaft groove member 180 are pushed outward, and as a result, the spring 120 is compressed and a repulsive force acts so that the teeth of the second tooth member 140 and the first tooth member 130 are mutually While engaging, the rotation of the connection bar 160 is restricted so that the angle between the thigh gripping part 10 and the calf gripping part 20 can be fixed.

Conversely, when the ground support bar 32 is not supported on the ground and is separated from the ground, the pressing force of the ground support bar 32 does not act, so when the connecting bar 160 descends due to its own weight , The first pivoting piece 170a on one side and the second pivoting piece 170b on the other side rotate so that the connecting bar 160 and the pivoting piece 170 form a 'Y' shape in an oblique state. The first shaft groove member 150 and the second shaft groove member 180 move horizontally from the outside to the inside, and accordingly, the spring 120 is extended and the repulsive force is weakened so that the second sawtooth member 140 and the first As the interlocking state of the teeth of the toothed member 130 is released and separated, the rotation of the connecting bar 160 is also released, so that the angle between the thigh gripping part 10 and the calf gripping part 20 is naturally variable. structure can be made.

Therefore, when the user walks while wearing the crutches 1, the angle between the thigh gripping part 10 and the calf gripping part 20 is fixed when the ground support bar 32 is supported on the ground, and walking When the ground support bar 32 is separated from the ground, the angle between the thigh gripping part 10 and the calf gripping part 20 is released from fixation and can be changed.

Through this, even if the user walks using the crutches 1, the knee can be bent, allowing a natural gait, but in a state spaced from the ground, the angle between the thigh gripping part 10 and the calf gripping part 20 is By being fixed, it is possible to receive a force supporting the ground at the moment of moving forward by supporting the ground.

The crutches 1 supporting the load with the thigh according to various embodiments according to the technical idea of the present invention are made to be worn on the thigh without supporting the user's load through the armpit, so that pain does not occur in the armpit It has the effect of reducing the user's fatigue when using it for a long time without using it, and it is possible to walk while supporting the load with the thighs, so that both hands can be used freely while walking. By having a structure in which the angle is fixed only when it touches the ground, it is possible to induce a stable and natural gait, which has the effect of reducing fatigue caused by walking as well as reducing the risk of falling when walking due to an unstable posture.

As described above, the optimum embodiment has been disclosed in the drawings and specifications. Although specific terms are used herein, they are only used for the purpose of describing the present invention and are not used to limit the meaning or the scope of the present invention described in the claims. Therefore, those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

1: crutches 10: thigh gripping part
11: thigh support member 12: strap
20: calf gripping part 21: calf support member
22: strap 30: support
31: thigh support bar 32: ground support bar
33: buffer member 34: inclined surface portion
35: connecting member 100: rotation fixing means
110: body 111: spring home
112: inner groove 113: connection bar hole
120: spring 130: first tooth member
131: side projection 140: second sawtooth member
141: fastening groove 150: first shaft groove member
151: fastening protrusion 152: shaft insertion groove
160: connecting bar 161: first shaft insertion part
170: round trip 170a: first round trip
170b: 2nd rotation piece 171: 2nd shaft insertion part
172: third shaft insertion part 180: second shaft groove member
181: shaft insertion groove 190: cylinder member
191: receiving groove 192: flange
200: cover 210: connection bar hole
220: cylinder hole

Claims (12)

In the crutches supporting the load with the thigh,
a thigh holding portion fixed to surround the thigh;
A calf gripper fixed to surround the calf;
Supporting units including ground support bars installed to face each other on both sides of the thigh gripping unit and on both sides of the calf gripping unit and supported on the ground to support a load during walking; and
One side is installed on one side of the thigh gripping part, the other side is installed on the upper part of the ground support bar, and the user's knee is freely bent when the ground support bar is separated from the ground during walking Rotation based on one side of the thigh gripping part So that the angle of the thigh gripping part and the calf gripping part can be varied, and when the ground support bar touches the ground during walking and the user's weight is concentrated on the ground support bar, the user's knee is fixed without bending. Crutches for supporting the load with the thigh, characterized in that it comprises a; rotating fixing means for fixing the angle of the thigh gripping part and the calf gripping part in a state. According to claim 1,
The thigh gripping part,
a thigh support member supporting the rear portion of the thigh; and
A strap installed on one side of the thigh support member and pressing and wrapping the front portion of the thigh in order to firmly fix the thigh support member to the thigh;
The calf gripping part,
A calf support member supporting the calf; and
A crutch for supporting a load with the thigh, comprising: a strap installed on one side of the calf support member and wrapping the shin portion by pressing the calf support member to firmly fix the calf support member to the calf. According to claim 2,
The support part,
Thigh support bars installed on both sides of the thigh gripping portion;
It is installed on both sides of the calf gripping part, is formed to extend in the longitudinal direction, and is supported on the ground at the lower end to increase the contact surface when in contact with the ground to disperse the user's concentrated weight and to mitigate the impact. Ground support with a buffer member installed bar; and
A crutch for supporting a load with the thigh, comprising: a connecting member installed on the upper part of the ground support bar, provided with a groove therein, into which one side of the rotation fixing means is inserted, and connecting the thigh support bar and the ground support bar. . According to claim 3,
In the connecting member,
A crutch for supporting a load with the thigh, characterized in that a spring is built into the part where the rotation fixing means is inserted to support the rotation fixing means while mitigating the impact transmitted from the rotation fixing means and maintaining the set elasticity. . According to claim 3,
The ground support bar,
The upper portion is attached to both sides of the calf support member and extends in the longitudinal direction, crutches for supporting the load with the thigh, characterized in that made to gather at one point at the lower end while leading from the top to the bottom. According to claim 3,
In the buffer member,
Crutches for supporting the load with the thigh, characterized in that the inclined surface portion is formed on one side of the bottom portion in contact with the ground. According to claim 1,
The rotation fixing means,
When the ground support bar is supported on the ground in a state in which the user's weight is concentrated on the ground support bar at the moment the ground support bar touches the ground, the force acting in the vertical direction transmitted through the ground support bar is distributed to both sides in the horizontal direction. By doing so, Crutches for supporting the load with the thigh, characterized in that the angle of the thigh gripping portion and the calf gripping portion is fixed. According to claim 7,
The rotation fixing means,
a body installed on one side of the thigh gripper, having a spring groove formed therein, and having a connection bar hole having one side open to communicate with the spring groove;
a spring inserted into the spring groove;
One side is coupled to the spring, the other side is a first sawtooth member formed along the circular rim except for the center portion;
A second tooth member on one side having teeth formed along a circular rim except for the center portion to engage with the teeth of the first tooth member, and on the other side having fastening grooves cut outward from the center at regular intervals;
A first shaft groove member on one side of which a fastening protrusion protrudes so that it can be coupled to correspond to the fastening groove, and on the other side, a shaft insertion groove formed with a shaft hole;
A connection bar having a first shaft insertion portion having a lower end connected to the upper part of the ground support bar, a space provided by a partial cut at the upper end, and a shaft inserted through the center portion of the cut space;
The connection bar is disposed on one side and the other side, and the second shaft insertion part provided on one side is shaft-coupled with the first shaft insertion part, and the third shaft insertion part provided on the other side is inserted into the shaft insertion groove of the first shaft groove member. Rotation pieces including first and second rotation pieces that are axially coupled;
One side is a second shaft groove member formed with a shaft insertion groove formed with a shaft hole for shaft coupling with the third shaft insertion portion of the rotation piece on one side;
a cylinder member provided with an accommodation groove in which the second shaft groove member is accommodated; and
A space is provided inside, a connection bar hole is formed in which the connection bar is inserted, one side of which is open to communicate with the inner space, and a cover that slides while surrounding the outside of the body; supporting the load with the thigh, characterized in that it includes Crutches to do. According to claim 8,
The rotation fixing means,
Crutches for supporting the load with the thigh, characterized in that a pair is provided on both sides of the thigh gripping portion. According to claim 8,
The pivoting piece on one side, the first shaft groove member, the second sawtooth member, the first sawtooth member, the spring, and the body are sequentially coupled to one side based on the connecting bar,
On the other side based on the connecting bar, the rotation piece on the other side, the second shaft groove member, the cylinder member, and the cover are coupled in order,
When the connection bar rises according to the action that the ground support bar is supported on the ground and the center of gravity of the user's weight is concentrated on the upper side of the ground support bar, the rotation piece on one side and the rotation piece on the other side rotate to a horizontal state while the The first shaft groove member and the second shaft groove member are pushed outward, and accordingly, the teeth of the second sawtooth member and the first sawtooth member engage with each other, limiting the rotation of the connection bar, and thus holding the thigh gripping part and the calf gripping part. Crutch for supporting the load with the thigh, characterized in that the angle of is fixed. According to claim 8,
In the body, at least one inner groove is formed on one side and the other side of the spring groove,
Crutches for supporting the load with the thigh, characterized in that the first sawtooth member is formed with at least one side protrusion inserted into the inner groove. According to claim 8,
In the cylinder member,
A flange with an extended rim portion is formed,
In the cover,
Crutches for supporting the load with the thigh, characterized in that the cylinder hole is formed so that the cylinder member is fixed to the cover while the flange is caught.

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