CN113425558A

CN113425558A - Hand-free walking stick

Info

Publication number: CN113425558A
Application number: CN202110802147.2A
Authority: CN
Inventors: 王金武; 石国宏; 曹雨晴; 许苑晶; 黄信恒; 王彩萍; 刘同有; 戴尅戎
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine; Shanghai Jiao Tong University
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine; Shanghai Jiao Tong University
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-09-24

Abstract

The present application provides a hands-free crutch including a safety mechanism, an upper support mechanism, a lower support mechanism, a calf support mechanism and a ground contact mechanism; the present invention provides users with better comfort and safety in various aspects, these Aspects include the use of foot mops coated with anti-slip material; the calf placement platform made of 3D printing, which can fit the injured limb on the platform, and successfully liberate both hands; the thigh hoop made of 3D printing is used to fix the injured limb on the platform. Height-adjustable crutches evenly distribute power; triangular support provides rest for the user; safety finger cots are added to the hand rest for a more secure hand grip.

Description

Hand-free walking stick

Technical Field

The application relates to the technical field of crutches, in particular to a hand-free crutch.

Background

Crutches are important medical rehabilitation aids, and different types of crutches are usually selected according to the requirements of users, and are mainly divided into walking sticks, elbows and armpits. Wherein, the walking stick is not a disabled article and is mainly suitable for users with light requirements, such as the old or mountaineers; the armpit stick is a necessity of a person with severe lower limb disability, such as illness, disability and the like, and most armpit stick users have to use the armpit stick for life.

There are also known walking sticks, for example, patent No. CN201810358786.2 discloses a forearm walking stick, which comprises a supporting rod, a handle, a clamping device, a supporting rod, a clamping sleeve part, a handle, a clamping device, a handle, a clamping sleeve part, and a clamping sleeve part; the handle is arranged in front of the supporting rod and corresponds to the position below the jacket part; the clamping device comprises two corresponding clamping pieces and two corresponding elastic bodies, the two clamping pieces are respectively arranged at two sides of the clamping sleeve part, the two elastic bodies are respectively connected with the two clamping pieces and the clamping sleeve part and provide elastic clamping force for the clamping pieces corresponding to the clamping sleeve part, the supporting rod is provided with an upper rod body and a lower rod body with adjustable length, and an elastic supporting part is arranged below the lower rod body; the invention has better stability, convenience and comfort of clamping forearms.

However, the crutch provided by the patent still has the following defects: 1. the foot mop is not firm and stable enough; 2. the forearm of the wrist needs enough strength, which has higher requirements for the user; 3. the injured limb needs thigh strength control, the body strength is inclined and cannot be uniformly distributed, and the injured limb can cause injury to the hip joint after a long time; 4. fatigue is easy to generate when people walk for a long time, and rest support cannot be provided; 5. the hand can not be firmly grasped, and the hand is easy to slip off to cause falling injury and the like.

In view of the above, there is a need in the art for a crutch that is safer and more secure, has a better user experience, and does not harm the user's body.

Content of application

In view of the above drawbacks of the prior art, an object of the present application is to provide a hands-free crutch, which is used to solve the technical problems of the prior art, such as insufficient safety and firmness, poor user experience, and the like.

To achieve the above and other related objects, a first aspect of the present application provides a hands-free crutch, comprising: a safety mechanism including a pair of grip portions and a thigh rest portion; an upper support mechanism; the safety mechanism is arranged on the upper supporting rod; the upper supporting mechanism comprises a pair of upper supporting rods and a pair of diagonal supporting rods; the upper supporting rods are vertically arranged, and the pair of gripping parts are correspondingly arranged at the top ends of the pair of upper supporting rods; the thigh receiving part is connected to the upper support bar and is provided between the pair of upper support bars; a lower support mechanism connected to a lower side of the upper support mechanism; the lower supporting mechanism comprises a lower supporting rod which is vertically arranged; the lower supporting rod and each upper supporting rod are connected through the inclined pulling supporting rod which is obliquely arranged; the lower leg supporting mechanism comprises a lower leg placing platform and a lower leg supporting platform, and is used for placing and supporting lower legs respectively; the shank placing platform is arranged above the shank supporting platform, and the shank supporting platform is arranged above the lower supporting rod; the ground contact mechanism is connected below the lower supporting rod; the ground contact mechanism comprises an anti-slip foot mop.

In some embodiments of the present application, the grip portion includes: the hand support is arranged at the top end of the upper supporting rod; the safety finger sleeve is arranged on the bottom surface of the hand support and is used for finger-buckle type grasping.

In some embodiments of the present application, the surface of the hand rest and/or safety finger sleeve is coated with a non-slip material.

In some embodiments of the present application, the thigh receiving portion includes: a pair of thigh hoops respectively and correspondingly arranged on the pair of upper supporting rods; a thigh strap connected to the pair of thigh hoops for tying the thigh.

In some embodiments of the present application, the material of the thigh cuff comprises a PVC material; the material of the thigh strap comprises nylon.

In some embodiments of the present application, the thigh cuff is manufactured based on 3D printing.

In some embodiments of the present application, the safety mechanism further comprises: the pair of first screwing adjusting rings are correspondingly arranged on the first upper supporting rod and used for adjusting the heights of the grasping part and the thigh placing part.

In some embodiments of the present application, the upper support mechanism further comprises a second screwing adjustment ring disposed on the lower support rod; the lower supporting mechanism also comprises a plurality of hidden buckle adjusting parts which are vertically arranged on the lower supporting rod; the second screwing adjusting ring is matched with the hidden buckle to adjust the height of the crutch.

In some embodiments of the present application, the ground contact mechanism further comprises: the tripod device comprises a tripod top end and tripod supporting legs and is arranged below the lower supporting rod; and the third screwing adjusting ring is arranged below the lower supporting rod.

In some embodiments of the present application, the upper support bar, the diagonal support bar, the lower support bar, the tripod apparatus and the screwing adjustment ring are made of a high aluminum alloy material.

As described above, the hands-free crutch of the present application has the following beneficial effects: the present invention provides better comfort and safety to the user in several aspects including the use of foot-pads coated with non-slip material; the crus placing platform manufactured by 3D printing can place the injured limb on the platform in a fitting manner, so that hands are successfully liberated; fixing the injured limb on a crutch with adjustable height by adopting a thigh hoop manufactured by 3D printing to evenly divide the strength; the triangular support device can provide rest for a user; the safety finger sleeves are added on the hand support parts, so that the hands can be safely gripped.

Drawings

Fig. 1 is a schematic structural diagram of a hands-free crutch according to an embodiment of the present application.

FIG. 2A is a side view of a hands-free cane in an embodiment of the present application.

FIG. 2B is a front view of a hands-free cane in an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It is noted that in the following description, reference is made to the accompanying drawings which illustrate several embodiments of the present application. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present application. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "below," "lower," "above," "upper," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature as illustrated in the figures.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "retained," and the like are to be construed broadly and can, 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 application can be understood by those of ordinary skill in the art as appropriate.

Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," and/or "comprising," when used in this specification, specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.

The invention provides a hand-free crutch, which solves the technical problems that in the prior art, the crutch still has unstable foot dragging, high requirement on the strength of the wrist and the forearm, easy inclination of body strength causes uneven distribution, easy fatigue generation during long-time walking causes failure in providing rest support, and the hand cannot be firmly grasped to cause falling down.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are further described in detail by the following embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 shows a schematic structural diagram of a hand-free crutch according to an embodiment of the invention. The hand-free crutch in the embodiment mainly comprises: a safety mechanism 11, an upper support mechanism 12, a lower leg support mechanism 13, a lower support mechanism 14, and a ground contact mechanism 15.

The safety mechanism 11 includes a pair of grip portions and a thigh rest portion; the upper support mechanism 12 comprises a pair of upper support rods and a pair of diagonal support rods; the upper supporting rods are vertically arranged, and the pair of gripping parts are correspondingly arranged at the top ends of the pair of upper supporting rods; the thigh receiving part is connected to the upper support bar and is provided between the pair of upper support bars; the lower support mechanism 14 is connected below the upper support mechanism 12; the lower support mechanism 14 comprises a vertically arranged lower support rod; the lower supporting rod and each upper supporting rod are connected through the inclined pulling supporting rod which is obliquely arranged; the lower leg supporting mechanism 13 comprises a lower leg placing platform and a lower leg supporting platform which are respectively used for placing and supporting a lower leg; the shank placing platform is arranged above the shank supporting platform, and the shank supporting platform is arranged above the lower supporting rod; the ground contact mechanism 15 is connected below the lower support rod; the ground contact mechanism comprises an anti-slip foot mop.

The specific structure of each mechanism will be further explained with reference to fig. 2A and 2B; FIG. 2A shows a side view of a hands-free crutch; FIG. 2B shows a front view of a hands-free crutch.

The grip in the safety mechanism 11 comprises a hand rest 111 and a safety finger sleeve 112; the thigh receiving portion includes a pair of thigh cuffs 113 and a thigh strap 114; the safety mechanism 11 also includes a first screwing adjustment ring 115. The pair of upper support bars in the upper support mechanism 12 includes an upper first side support bar 121 and an upper second side support bar 123; the pair of diagonal support rods comprises a left diagonal support rod 122 and a right diagonal support rod 124; the upper support mechanism 12 also includes a second screw adjustment ring 125. The lower leg support mechanism 13 includes a lower leg placement platform 131 and a lower leg support platform 132. The lower supporting mechanism 14 includes a lower supporting bar 141 and a inside-out adjusting part 142. Ground engaging mechanism 15 includes a tripod top end 151, a screw adjustment ring 152, a foot bracket 153 and a tripod support leg 154.

Wherein, the safety finger sleeve 112 is arranged on the hand rest 111; the hand rest 111 is mounted on the top end of the upper first side support bar 121. The upper first side supporting bar 121 and the upper second side supporting bar 123 are arranged in parallel and are respectively and fixedly connected with a thigh hoop 113; thigh strap 114 and two thigh cuffs 113 for securing the user's thighs; a first tightening adjustment ring 115 is mounted on the upper first side support bar 121 for adjusting the height of the thigh cuff 113 and thigh strap 114. The left diagonal brace 122 and the right diagonal brace 124 are connected to one and the other of the upper first side brace 121 and the upper second side brace 123, respectively (i.e., the left diagonal brace 122 is connected to the upper first side brace 121 and the right diagonal brace 124 is connected to the upper second side brace 123, or the left diagonal brace 122 is connected to the upper second side brace 123 and the right diagonal brace 124 is connected to the upper first side brace 121); the second tightening adjustment ring 125 is disposed on the lower support rod 141 for adjusting the height of the support rod. The lower leg placement platform 131 is mounted above the lower leg support platform 132. The lower support rod 141 is connected with the lower part of the lower leg support platform 132 and the upper part of the foot support 153, and the inside of the lower support rod 141 is provided with a hidden buckle adjusting part 142 for adjusting the length of the crutch, thereby better adapting to users with different heights. The tripod top end 151 and the tripod supporting legs 154 are connected to form a tripod device, the tripod device can provide rest for a user, and the problem that fatigue is easily generated when the user walks for a long time is solved. The tripod device and the screwing adjusting ring 152 are installed at the lower end portion of the lower support rod 141, and the tripod structure can play a role of stable support.

Particularly, the safety finger sleeve 112 is used for placing a finger part of a user, the hand support 111 is used for placing a palm part of the user, the body balance is maintained by utilizing the supporting force of the hand, the hand support part is grasped by adopting a finger buckle mode, the accident situation is reduced, the use safety of the crutch is improved, and the technical problems that the crutch in the prior art cannot be firmly grasped, the slippage easily causes falling injury and the like are effectively solved.

Optionally, the hand rest 111 and the safety finger stall 112 may be made of plastic, which can reduce the manufacturing cost and ensure the firmness. The surface of the safety finger sleeve 112, which is used for being in contact with the fingers of the user, is coated with an anti-slip material, and the surface of the hand support 111, which is used for being in contact with the palm of the user, is coated with an anti-slip material, so that the potential safety hazard caused by slipping of the hand of the user is prevented. The aforementioned anti-slip material includes, but is not limited to, rubber or TPR (thermoplastic rubber) material, and the present embodiment is not limited thereto.

Preferably, the thigh hoop 113 is made of PVC, which has the advantages of simple process, low cost, good performance, etc., and thus is very suitable for use as a utensil for hooping the thigh. Thigh strap 114 is made of nylon material. It should be understood, however, that the materials referred to in this example are preferred and should not be used to limit the scope of the present invention.

Further, the thigh hoop 113 of this embodiment adopts 3D printing technique, and is more comfortable and easy to fit. The thigh hoop that 3D printed can fix the wounded on the walking stick of height-adjustable, makes the even distribution of health strength, and this has effectively solved the walking stick among the prior art and needs the thigh to exert oneself and control because of wounded, causes the problem that the body strength inclines and can not the even distribution easily.

Preferably, all the supporting rods related to the embodiment, such as the upper first side supporting rod 121, the left side inclined pulling supporting rod 122, the upper second side supporting rod 123, the right side inclined pulling supporting rod 124 and the lower supporting rod 141, are made of high aluminum alloy materials, so that the stability and firmness of the supporting rods are ensured, and the supporting rods are prevented from being broken due to insufficient bearing capacity, and the safe use of the crutch is prevented from being influenced.

Preferably, all the screwing adjusting rings related to the present embodiment, such as the first screwing adjusting ring 115, the second screwing adjusting ring 125, and the screwing adjusting ring 152, are made of high aluminum alloy materials, so as to ensure the stability and firmness of the adjusting rings, and prevent the adjusting rings from being adjusted by themselves due to insufficient bearing force, which affects the safe use of the crutch.

Preferably, in order to release both hands, the lower leg placing platform 131 manufactured by 3D printing can be used for placing the injured limb on the platform in a fitting manner, and the platform can be sized by 3D printing technology, so that the platform is more flexible.

Preferably, the lower leg placing platform 131 and the lower leg supporting platform 132 are made of PVC, and since the PVC has the advantages of simple process, low cost, good performance, and the like, the PVC is suitable for use as a tool for placing and supporting lower legs.

Preferably, the foot drags 153 are made of anti-slip materials, and the foot drags 153 are in direct contact with the ground and easily slip when the road is wet or uneven, so that the foot drags 153 in the embodiment are made of anti-slip materials to prevent slipping and ensure safe use of the crutch, thereby effectively solving the technical problem that the foot drags of the crutch are not firm and stable enough in the prior art. The aforementioned anti-slip material includes, but is not limited to, rubber or TPR (thermoplastic rubber) material, and the present embodiment is not limited thereto.

Preferably, the tripod device formed by connecting the tripod top end 151 and the tripod supporting legs 154 is made of high-height aluminum alloy materials, so that the stability and firmness of the tripod device are ensured, and the tripod device is prevented from being broken due to insufficient bearing force to influence the safe use of the crutch.

In summary, the present application provides a hands-free crutch that provides greater comfort and safety to the user in a number of areas, including the use of a foot pull coated with a non-slip material; the crus placing platform manufactured by 3D printing can place the injured limb on the platform in a fitting manner, so that hands are successfully liberated; fixing the injured limb on a crutch with adjustable height by adopting a thigh hoop manufactured by 3D printing to evenly divide the strength; the triangular support device can provide rest for a user; the safety finger sleeves are added on the hand support parts, so that the hands can be safely gripped. Therefore, the application effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims

1. a hands-free crutch, is characterized in that, comprises:

Safety mechanism, including a pair of grips and a thigh placement;

an upper support mechanism; the upper support mechanism includes a pair of upper support rods and a pair of diagonally pulled support rods; the upper support rods are arranged vertically, and a pair of gripping parts are correspondingly arranged at the top ends of the pair of upper support rods; the The thigh placing part is connected to the upper support rod and is arranged between the pair of upper support rods;

The lower support mechanism is connected below the upper support mechanism; the lower support mechanism includes a vertically arranged lower support rod; the lower support rod and each of the upper support rods pass through an obliquely arranged The inclined-stayed support rods are connected;

The calf support mechanism includes a calf placing platform and a calf supporting platform, which are used to place and support the calf; the calf placing platform is arranged above the calf supporting platform, and the calf supporting platform is arranged above the lower support rod ;

The ground contact mechanism is connected below the lower support rod; the ground contact mechanism includes a non-slip foot drag.

2. The hands-free crutch of claim 1, wherein the gripping portion comprises:

a hand rest, arranged on the top of the upper support rod;

A safety finger cover is arranged on the bottom surface of the hand rest for finger-button gripping.

3 . The hands-free crutch according to claim 2 , wherein the surface of the hand rest and/or the safety finger cover is coated with a non-slip material. 4 .

4. The hands-free crutch of claim 1, wherein the thigh placement portion comprises:

a pair of thigh hoops, respectively corresponding to the pair of upper support rods;

A thigh bandage, connected to the pair of thigh hoop, is used to bind the thigh part.

5 . The hands-free crutch according to claim 4 , wherein the material of the thigh cuff comprises PVC material; and the material of the thigh strap comprises nylon. 6 .

6. The hands-free crutch according to claim 4, wherein the thigh cuff is manufactured based on 3D printing.

7. The hands-free crutch of claim 1, wherein the safety mechanism further comprises:

A pair of first tightening adjustment rings are correspondingly arranged on the upper first support rod, and are used to adjust the heights of the gripping part and the thigh placing part.

8. The hands-free crutch of claim 1, wherein:

The upper support mechanism further includes a second tightening adjustment ring, which is arranged on the lower support rod;

The lower support mechanism further includes a plurality of concealed buckle adjustment components, which are vertically arranged on the lower support rod; the second tightening adjustment ring is matched with the concealed buckle to adjust the height of the crutch.

9. The hands-free crutch of claim 1, wherein the ground contact mechanism further comprises:

The tripod device, including the top of the tripod and the tripod support legs, is arranged below the lower support rod;

The third tightening adjustment ring is arranged below the lower support rod.

10 . The hands-free crutch according to claim 9 , wherein the upper support rod, the inclined-pull support rod, the lower support rod, the tripod device and the tightening adjustment ring are made of high-alloy aluminum alloy material. 11 .