JPH042653Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a fastener for a fixing belt used to attach prosthetic limbs and orthoses to the human body, and specifically, a fastener for easily inserting the fixing belt. This relates to fasteners that can be used for

[Prior Art] FIG. 4 is a front view showing an example of a club foot orthosis, in which the orthosis body 2 for fixing a part of the lower leg is made of plastic material, leather, etc., and the front side of the orthosis body 2 is There is a notch 2 to make it easier to pass the lower limbs through.
A is provided, and a plurality of belts 3 are provided so as to span between the notches 2A in order to further fix the human body and the equipment main body 2. Adhesive tapes 3a and 3b are attached to one side of the belt 3 and can be attached and removed at will.
(so-called magic tape registered trademark) is attached. One end of the belt 3 is fixed to a side position of the notch 2A of the main body 2 by a rivet 4a, and a fastener 5 is provided on the side facing the fixed position of the belt 3 across the notch 2A. provided. Fifth
The figure is an enlarged explanatory view of the fastener 5. The fastener 5 is formed by an annular member 6 and a sheet-like gripping piece 5a, and one end of the sheet-like gripping piece 5a is inserted inside the annular member 6. The annular member 6 is rotatably supported on the folded portion of the gripping piece 5a, and the folded ends of the gripping piece 5a are overlapped and fixed to the appliance main body 2 by rivets 4b. The annular member 6 is made of metal or hard plastic material.

The number of belts 3 disposed on the orthosis or prosthesis is appropriately selected depending on the type and size of the orthosis.

[Problem to be solved by the invention] When the belt 3 is inserted through the annular member 6 of the fastener 5 when wearing the above-mentioned brace, the annular member 6 is rotatably supported at the folded portion of the gripping piece 5a. Therefore, the annular member 6 comes into close contact with the surface of the appliance main body 2, or conversely, is pushed to the broken line position and comes into close contact with the surface of the gripping piece 5a, and moves freely, making it difficult to perform this insertion operation easily. Furthermore, depending on the type of prosthetic limb or orthosis, the belt may have to be placed in a position that only one hand can reach, resulting in the inconvenience that the wearer cannot put it on himself.
Particularly for people with upper limb disabilities, the work of wearing this belt has been a great burden.

Therefore, the inventors of the present invention completed the present invention after repeated efforts to make it easier to put on the belt and to quickly attach the prosthesis/orthosis.

[Means for Solving the Problems] The fastener of the present invention, which achieves the above object, is held rotatably around a straight line portion of an annular member, and the annular member is held in a vertical position with respect to the surface of the prosthesis/orthosis. or a fastener for a fixing belt for attaching a prosthetic limb or orthosis configured to be able to swing between horizontal positions, wherein a leaf spring is in contact with the annular member and the biasing force of the leaf spring is applied to the fastener. Therefore, the gist of the present invention is that the leaf spring abutting portion, which is locked at a certain angle, is formed in a part of the annular member.

[Operations and Examples] Fig. 1 is a partially broken perspective explanatory view showing a typical embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the - line in Fig. 1, and Fig. 5 shows the same. The characteristic structure of the present invention, which is different from the conventional example, is that a support member 8 is attached to one side of the annular member 6, and a modified cross-section portion 6a is formed in a part of the annular member 6. The support member 8 includes a support body 8a, a pivot portion 8b, and a leaf spring portion 8.
These are integrally formed by processing a plate-shaped metal material (steel material, brass material, aluminum alloy material, etc.). That is, a pivot support 8 rotatably supports one long side 6A of an annular member 6 formed of a rectangular cotton material having four sides at its upper and lower ends.
b, 8b are provided, and the pivot parts 8b, 8b are integrally formed via the support body 8a. Therefore, this long side portion 6A becomes the center around which the annular member 6 swings. The support body 8a is folded back at a folded portion 8d,
Leaf spring portions 8c, 8c are formed on each folded end side to elastically support a portion of the long side portion 6A.
A deformed cross section 6a is formed in a portion of the linear long side 6A that abuts the plate springs 8c, 8c. As shown in FIG. 2, the irregular cross-section portion 6a has a flat portion 6a ₁ and a circular arc portion 6a ₂ formed in the circumferential direction, and the flat portion 6a ₁ is formed by cutting or pressing a part of the circumferential surface of a cylinder. be done. The flat portion 6a ₁ may be formed on only one surface in the circumferential direction, or may be formed on two or more surfaces, and the flat portion 6a 1 may be formed at one or more positions in the axial direction. ₁ may be formed. In the example shown in FIGS. 1 and 2, there are two plane parts 6a ₁ and 6 in the axial direction and two planes in the circumferential direction.
A ₁ is formed in parallel. These flat parts 6a ₁ , 6a ₁
is supported so as to be elastically pressed by the leaf spring portions 8c, 8c. As a result, the flat plate portion 6
When a ₁ and 6a ₁ are held between the leaf spring parts 8c and 8c, the pressing force of the leaf spring 8c is the lowest, and in this state, the annular member 6 and the pivot member 8 are stably at a position forming a certain angle. It becomes stationary. Furthermore, since the pivot member 8 is inserted into the folded portion of the sheet-like holding piece 5a and attached to the appliance body 2, the annular member 6 is supported while maintaining a constant angle θ with respect to the surface of the appliance body 2. That will happen. The angle θ can be easily changed by changing the circumferential formation position of the flat portion _6a1 in the long side portion 6A, and may be set in consideration of ease of insertion of the belt 3 into the annular member 6. It is recommended that θ is preferably 40 to 90 degrees.

On the other hand, when tightening and fixing the belt 3, the angle of the annular member 6 must be changed from the support position to the surface side of the brace body 2 (in the direction in which the angle θ becomes smaller). The pressing force of the portion 6a ₁ is not so strong, and the spring portions 8c, 8c are pushed apart by the arcuate portion 6a ₂ and can easily change the angle in the direction of the arrow X. Also, if the tension caused by the belt 3 is released,
By simply pushing the annular member 6 lightly by hand, it can be easily returned to the stable state shown in FIG. 2, which places the least burden on the leaf spring portions 8c, 8c. Note that if the flat portion 6a ₁ and the arcuate portion 6a ₂ are made continuous with a convex curved surface, the annular member 6 may be configured to automatically return to its original position by the elastic pressing force of the leaf spring portion 8c. can.

With the above configuration, when there is no load,
The annular member 6 is held at a constant angle with respect to the surface of the appliance main body 2, so that the tip of the belt 3 can be easily inserted with one hand.

FIG. 3A is an explanatory diagram showing another embodiment of the present invention. The pivot member 8 is made of a hard plastic material, and the pivot member 8b is formed with a fitting notch 8e on the long side 6b, and plate-shaped leaf spring portions 8c, 8c are configured to face each other. be done. The pivot member 8 may be used by being inserted into the folded portion of the sheet-like gripping piece 5a, or may be directly attached to the brace body 2 by rivets or the like.

FIG. 3B is a developed view of another metal pivot member 8 according to the present invention, in which the distal end side of the broken line _B1 is curved to form the pivot member 8b, and the plates are folded back at the broken line _A1 to face each other. Spring parts 8c, 8c are formed.

FIG. 3C is a perspective explanatory view showing another embodiment of the present invention, and FIG. 3D is a sectional view taken along line D--D in FIG. 3C. The pivot member 8 is a completed version of the one shown in FIG. 3B, and a part of the long side portion 6A pressed by the leaf spring portion 8c extends radially from the rotation axis O of the long side portion 6A. The protruding portion 6C is curved and protruded, and is integrally formed with the annular member 6 at an angle α. This allows the annular member 6 to be maintained in a stable state at a constant angle by the pivot member 8.

The present invention is not limited to the above embodiment, but the pivot point 8
The present invention includes all designs in which the number and position of leaf springs b and leaf springs 8c are changed.

Furthermore, the fastener 5 provided with the pivot member 8 is applicable not only to the above-mentioned clubfoot orthosis, but also to all orthoses such as shoulder orthoses, upper and lower limb orthoses, shoe-shaped orthoses, cervical vertebrae orthoses, etc. It can also be applied to prosthetic limbs and legs.

[Effects of the invention] With the invention, it has become possible to easily insert the belt for attaching a prosthesis/orthosis through the fastener, and it has become possible to quickly attach the prosthesis/orthosis.

[Brief explanation of the drawing]

Fig. 1 is a partially broken explanatory diagram showing a typical embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the line - in Fig. 1, and Fig. 3A is an explanatory diagram showing another embodiment of the present invention. 3B is a developed view showing another pivot member of the present invention, FIG. 3C is a perspective explanatory view showing another embodiment of the present invention, and FIG. 3D is D-- of FIG. 3C. 4 is a front view showing an example of a club foot orthosis; 5
The figure is a partially enlarged view of FIG. 4. 1... Brace, 2... Brace body, 3... Belt,
4a, 4b... Rivet, 5... Fastener, 6...
Annular member, 8... Pivotal member.

Claims (1)

[Claims for Utility Model Registration] (1) An annular member that is attached to a prosthesis/orthosis and through which a fixed belt for attachment is inserted, and that is rotatable around the axis of a straight portion that is a part of the annular member. A fastener for a fixed belt for attaching a prosthesis/orthosis, which is pivotally supported and configured such that the annular member can swing between a vertical position and a sideways position with respect to the surface of the prosthesis/orthosis, the annular member A leaf spring is brought into contact with the annular member, and a leaf spring abutting portion is formed in a part of the annular member and is locked at a certain angle by the biasing force of the leaf spring. Fasteners for fixed belts for attaching prosthetic limbs and orthoses. (2) Claim (1) wherein the leaf spring abutting portion is formed in a part of a linear portion of the annular member, and the leaf spring abutting portion is formed as an irregular cross-section portion in the circumferential direction of the linear portion. Fasteners for fixed belts for attaching prosthetic limbs and orthoses as described in . (3) Claim (1) wherein the leaf spring abutting portion is formed in a part of a linear portion of the annular member, and the leaf spring abutting portion is formed as a protruding portion by bending a part of the annular member. ) Fasteners for fixed belts for attaching prosthetic limbs and orthoses.