CN110897771A - Recovered brace of 3D printing finger - Google Patents
Recovered brace of 3D printing finger Download PDFInfo
- Publication number
- CN110897771A CN110897771A CN201911119696.9A CN201911119696A CN110897771A CN 110897771 A CN110897771 A CN 110897771A CN 201911119696 A CN201911119696 A CN 201911119696A CN 110897771 A CN110897771 A CN 110897771A
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- CN
- China
- Prior art keywords
- brace
- palm
- forearm
- printing finger
- finger
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/013—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations for the arms, hands or fingers
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00178—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices for active exercising, the apparatus being also usable for passive exercising
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/16—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for hands or fingers
Abstract
The invention discloses a 3D printing finger rehabilitation brace which comprises a forearm brace, a palm brace, a rotating hinge and a grip ball, wherein the forearm brace is used for fixing a forearm, the palm brace is used for fixing a palm and fingers, the rotating hinge is connected with the forearm brace and the palm brace, and the grip ball is arranged at the palm position of a user. This 3D prints recovered brace of finger, through forearm brace and palm brace fixed forearm and palm respectively, and through rotating articulated connection forearm brace and palm brace, thereby restrict the activity angle between palm and the forearm, consolidate protection wrist, palm and arm, user's finger is through practising the gripping power ball, resume the function gradually, the brace wholly adopts 3D to print integrated into one piece preparation, can laminate well with forearm, palm, the user wears comfortablely and conveniently, this invention is used for the protector field.
Description
Technical Field
The invention relates to the field of protective devices, in particular to a 3D printing finger rehabilitation brace.
Background
In patients with peripheral nerve injuries such as cerebral palsy, hemiplegia, muscle weakness of hands, hand trauma, knife cut, and cerebral nerve injury, and people who use computers for a long time, there are various reasons why hand dysfunction or hand muscle deformation and atrophy may occur, and if treatment and correction are not performed in time, there is a high possibility that the hand muscle nerve function is seriously damaged. Particularly for patients with median nerve damage or ulnar nerve damage, the hands of the patients will appear as paw-shaped hands.
To the patient treatment recovery of this type of hand dysfunction among the prior art, mainly focus on the recovery to patient's finger function, let the patient practice the gripping elastic ball body to help finger nerve function's exercise gradually resumes, make the patient finger resume the functional position. Meanwhile, for patients with partial hand movement disorder, the wrist, palm and arm need to be reinforced and protected.
The recovered brace of current finger is through nested stereoplasm iron sheet in the brace, and the setting of iron sheet can play fixed effect, but will bring for the patient and wear uncomfortable use experience to current brace is not the integral type, wears very inconveniently.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a 3D printing finger rehabilitation brace which can be well attached to the forearm and the palm and is comfortable and convenient to wear.
According to an embodiment of the present invention, there is provided a 3D printing finger rehabilitation brace, including:
a forearm brace for fixing a forearm;
the palm brace is used for fixing a palm and fingers;
a swivel hinge connecting the forearm brace and the palm brace; and
the gripping ball is arranged at the palm position of a user.
Has the advantages that: this 3D prints recovered brace of finger, forearm and palm are fixed respectively through forearm brace and palm brace to through rotating hinged joint forearm brace and palm brace, thereby restriction activity angle between palm and the forearm, consolidate protection wrist, palm and arm, user's finger is through practising the gripping ball of holding power, resume the function gradually, the brace is whole to adopt 3D to print the integrated into one piece preparation, can laminate well with forearm, palm, the user wears comfortablely and conveniently.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the palm brace adopts a half-wrapped structure, a first connecting structure is arranged on the palm brace, and the first connecting structure is used for fixing the palm brace on the hand of a user. Adopt half package formula structure, fix through first connection structure, compare with full package formula structure, can avoid arousing user's discomfort because of ventilative not good to and avoid assembly error.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the palm brace comprises a palm fixing part, the first connecting structure is a plurality of flanges arranged on one side or two side edges of the palm fixing part, and the flanges extend upwards from two sides of the palm fixing part and are bent inwards. The turn-ups closely laminates in the both sides of palm to play fixed effect, prevent that the palm brace from dropping. The palm fixing part coats the palm, when the grip ball is gripped, the palm tends to contract towards the palm, and a better supporting effect on the palm can be achieved through the palm fixing part.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the palm brace is provided with a plurality of finger dividing openings for fingers to pass through. The finger separating opening plays a guiding role for the fingers, limits the moving positions of the fingers and corrects the fingers.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the palm brace comprises a palm fixing part, a plurality of finger supporting parts extending forwards are arranged on the palm fixing part, finger coating edges are arranged on the finger supporting parts, the finger coating edges are enclosed to form the finger dividing opening, and a notch is arranged on the outer side of each coating edge. The cladding limit sets up the breach for the finger passes more easily, and convenient to use person wears, and because when gripping grip ball, the finger has the tendency of contracting to the inboard, therefore the outside is located to the breach, blocks the inboard of fixed finger through the cladding limit.
The 3D printing finger rehabilitation brace further comprises a connecting part, and the connecting part is flexibly connected with the palm brace and the grip ball. The grip ball can slightly shake, stretch out and draw back and rotate relative to the palm brace, and the grip ball floats relative to the palm brace, so that a user can more comfortably grip the grip ball, and the use experience of the user is improved.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the grip ball is of a hollow structure, and the spherical surface of the grip ball is provided with the plurality of through holes, so that the rigidity of the grip ball is reduced, the elastic deformation of the grip ball is facilitated, and the grip ball is lighter.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the grip ball comprises a ball center, a plurality of ball branches arranged on the ball center and radiating outwards, and a touch head arranged at the tail end of each ball branch. The grip ball adopting the structure is not easy to damage and is more comfortable to hold.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the rotating hinge comprises a first rotating piece and a second rotating piece which are hinged with each other, one of the first rotating piece and the second rotating piece is arranged on the forearm brace, the other one of the first rotating piece and the second rotating piece is arranged on the palm brace, the first rotating piece is provided with a movable part, and the second rotating piece is provided with a blocking part for blocking the movable part from rotating, so that the angle between the forearm brace and the palm brace is limited, the angle between the arm and the palm of a user is limited, and the wrist is reinforced.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the rotating hinge further comprises a locking block, the first rotating part is provided with a plurality of first jacks uniformly distributed in a circumferential manner around a rotating center, the second rotating part is provided with a plurality of second jacks corresponding to the first jacks, and the locking block is provided with a plurality of locking columns capable of penetrating through the first jacks and the second jacks. The locking column of the locking block penetrates through the first insertion hole and the second insertion hole, the first rotating piece and the second rotating piece are locked and cannot rotate relatively, and therefore the angle between the forearm support and the palm support is fixed; the locking block is pulled to separate the locking column from the first jack or the second jack, the locking is released, the first rotating piece and the second rotating piece can be adjusted to rotate relatively, the angle between the forearm brace and the palm brace is adjusted to meet the requirements of a user, and the locking block is reset and locked after the adjustment is finished.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the second rotating part is provided with an accommodating cavity for accommodating the first rotating part, the side surface of the first rotating part is provided with a plurality of pendulums protruding outwards, a blocking lug is arranged in the accommodating cavity and positioned between the two pendulums, and the pendulums or the blocking lug can elastically deform. The locking piece is unlocked, when the angle between the first rotating piece and the second rotating piece is adjusted, the pendulum can bypass the blocking lug through the elastic deformation of the pendulum or the blocking lug, and a user can feel obvious pause and frustration, so that the user can know the activity angle of the wrist (namely the angle between the palm brace and the forearm brace) more clearly.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the pendulum bob can be elastically deformed, the pendulum bob comprises the head part and the tail part, the width of the head part is larger than that of the tail part, so that deformation is facilitated, and a limiting bulge is arranged between every two adjacent pendulum bob. The limiting protrusions block the pendulum bob, limit the swing angle of the pendulum bob, and avoid fracture of the pendulum bob due to too large swing angle.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the forearm brace adopts a half-wrapping structure, and a second connecting structure is arranged on the forearm brace and used for fixing the forearm brace on the forearm of a user. Adopt half package formula structure, compare with full package formula structure, can avoid because of ventilative not good discomfort that arouses to and avoid assembly error.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the second connecting structure comprises an elastic fixing belt, the fixing belt is connected with two side edges of the forearm brace, and the forearm brace is firmly attached to the forearm of a user through the elastic action.
According to the 3D printing finger rehabilitation brace provided by the embodiment of the invention, the palm brace and the forearm brace are respectively provided with a plurality of air holes. Improve the air permeability of the brace and avoid causing discomfort of users.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a 3D-printed finger rehabilitation brace in a first view according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of a 3D-printed finger rehabilitation brace according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a third view angle of a 3D-printed finger rehabilitation brace according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of another grip ball according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a rotary hinge according to an embodiment of the present invention;
FIG. 6 is an exploded view of the assembly of a swivel hinge according to an embodiment of the present invention;
FIG. 7 is a schematic view showing the inside of a second rotating member accommodating chamber according to the embodiment of the present invention;
reference numerals: the palm brace 10, the forearm brace 20, the air vent 11, the flange 12, the first flange 121, the second flange 122, the third flange 123, the wrapping edge 13, the finger separating opening 14, the index finger separating opening 141, the ring finger separating opening 142, the thumb avoiding opening 143, the middle finger avoiding opening 144, the tail finger avoiding opening 145, the finger supporting portion 15, the palm fixing portion 16, the fixing band 40, the buckle 41, the rotating hinge 50, the locking block 51, the countersunk hole 511, the locking column 512, the first rotating member 52, the pendulum 521, the limit protrusion 522, the first insertion hole 523, the central hole 524, the first connecting block 525, the second rotating member 53, the rotating shaft 531, the second insertion hole 532, the sliding groove 533, the convex cap 534, the blocking protrusion 535, the accommodating cavity 536, the second connecting block 537, the grip ball 60, the ball branch 63, the touch head 64, and the connecting portion 70.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a 3D printing finger rehabilitation brace according to an embodiment of the present invention includes a forearm brace 20, a palm brace 10, a rotation hinge 50, and a grip ball 60, where the forearm brace 20 is used to fix a forearm, the palm brace 10 is used to fix a palm and fingers, the rotation hinge 50 connects the forearm brace 20 and the palm brace 10, and the grip ball 60 is disposed at a palm position of a user. The palm brace 10 and the forearm brace 20 are both provided with a plurality of air holes 11, so that the air permeability of the brace is improved.
This recovered brace of 3D printing finger is through forearm brace 20 and palm brace 10 fixed forearm and palm respectively to connect forearm brace 20 and palm brace 10 through rotating hinge 50, thereby restrict the angle of activity between palm and the forearm, consolidate protection wrist, palm and arm. The user practices to grasp the grip ball 60, and the grip ball 60 can support the fingers of the user, so that the user can conveniently open the fingers, and the fingers of the user can be kept in a functional position, thereby gradually recovering the function. The brace is integrally manufactured by 3D printing and integrally forming, can be well attached to the forearm and the palm, and is comfortable and convenient to wear by a user. The 3D printing manner includes, but is not limited to, SLS technology, MJF technology, DLP photo-curing technology, SLA photo-curing technology, FDM technology, PolyJet technology, and the like.
The palm brace 10 may be of a half-wrap or full-wrap construction. When adopting full package formula structure, palm brace 10 can comprise two sub-braces to assemble two sub-braces through one or more connection structure, this connection structure can be buckle, bandage, magic subsides or threaded connection spare etc. do not do here and describe repeatedly. When the full-wrapping type structure is adopted, a user can feel that the ventilation is poor, in addition, the two sub-braces are manufactured separately, and the problems that the assembly is unstable or the braces do not fit the palm and the like are avoided.
Therefore, in the present embodiment, the palm support 10 adopts a half-wrapped structure, i.e. a half-wrapped hand, which can be wrapped around the palm center or wrapped around the back of the hand, and the palm support 10 is provided with a first connecting structure for fixing the palm support 10 on the hand of the user. Adopt half package formula structure, compare with full package formula structure, can avoid arousing user's discomfort because of ventilative not good to and avoid assembly error.
Referring to fig. 1 and 2, the palm support 10 includes a palm fixing portion 16 covering the palm, the first connecting structure may be a bandage or a magic tape, and in this embodiment, the first connecting structure is a plurality of flanges 12 disposed on one side or two side edges of the palm fixing portion 16, the flanges 12 extend upward from two sides of the palm fixing portion 16 and are bent inward, so that the shape of the flanges 12 is adapted to the outline of two sides of the palm of the user. The turned-over edge 12 is tightly attached to two sides of the palm, so that the fixing effect is achieved. The palm fixing portion 16 covers the palm, and when the grip ball 60 is gripped, the palm tends to contract, and a good palm supporting effect can be achieved by the palm fixing portion 16. In order to cooperate with the use of the grip ball 60, the shape of the palm support 10 is adapted to the shape of the palm of the user when the user holds the grip ball 60, so that the palm of the user wearing the palm support 10 is in a ready state for gripping the grip ball 60, thereby facilitating the rehabilitation training of the user.
Similarly, the forearm brace 20 may be of a half-wrapped or full-wrapped configuration. In the present embodiment, the forearm support 20 is a semi-wrapped structure, and the forearm support 20 is provided with a second connecting structure for fixing the forearm support 20 on the forearm of the user. The second connecting structure can also be a flanging structure, in this embodiment, the second connecting structure uses a fixing band 40, the fixing band 40 has a certain elasticity, the fixing band 40 connects two side edges of the forearm support 20, and the forearm support 20 is firmly attached to the forearm of the user by the elastic force. Specifically, two fixing straps 40 are respectively disposed on two side edges of the forearm support 20, the two fixing straps 40 are connected by a buckle 41, the buckle 41 is composed of two locking members capable of being locked with each other, and the two locking members are correspondingly disposed on the two fixing straps 40.
Referring to fig. 1, a plurality of finger separating openings 14 for fingers to pass through are formed in the palm support 10, and the finger separating openings 14 play a role in guiding the fingers, limiting the moving positions of the fingers and correcting the fingers. The finger-separating opening 14 may be configured to allow a user's fingers to grip the grip ball 60, and the fingers are ready to grip the grip ball 60 when guided by the finger-separating opening 14 after the user wears the brace. The finger-separating opening 14 and the grip ball 60 cooperate to facilitate rehabilitation training of the user.
In this embodiment, the palm fixing portion 16 is provided with a plurality of finger supporting portions 15 extending forward, the front end of the finger supporting portion 15 is provided with a finger covering edge 13, the finger covering edge 13 surrounds a finger opening 14, and the outer side of the covering edge 13 is provided with a notch. The covering edge 13 is provided with a notch, so that the fingers can easily pass through the covering edge, the wearing by a user is convenient, and the fingers tend to contract towards the inner side when the grip ball 60 is gripped, so that the notch is arranged at the outer side, and the inner side of the fingers is blocked and fixed through the covering edge 13.
The number and the arrangement position of the finger separating openings 14 can be designed according to different use requirements. In some embodiments, referring to fig. 2, the finger-separating opening 14 includes an index finger-separating opening 141 for passing a food finger and a ring finger-separating opening 142 for passing a ring finger, and a middle finger-avoiding opening 144 is provided between the index finger-separating opening 141 and the ring finger-separating opening 142. Both sides of the palm brace 10 are provided with flanges 12, wherein one side close to the thumb is provided with a first flange 121 and a second flange 122, a thumb avoiding opening 143 is formed between the first flange 121 and the second flange 122, the other side is provided with a third flange 123, and a tail finger avoiding opening 145 is formed between the third flange 123 and the ring finger separating opening 142. The five fingers of the user sequentially pass through the thumb avoidance port 143, the index finger division port 141, the middle finger avoidance port 144, the ring finger division port 142 and the tail finger avoidance port 145, so that the five fingers are guided and fixed.
To facilitate grasping by the user, the grip ball 60 may be customized in that the shape of the grip ball 60 is adapted to the curvature of the user's palm or fingers.
Referring to fig. 3, a connection portion 70 is provided between the palm support 10 and the grip ball 60, and the connection portion 70 flexibly connects (non-rigidly connects) the palm support 10 and the grip ball 60, that is, the palm support 10 and the grip ball 60 can move relative to each other, and if the grip ball 60 is fixed to the palm support 10, the palm and fingers of the user need to be adapted to the position of the grip ball 60 when using the support, which affects the wearing comfort of the protector. In this embodiment, the connecting portion 70 is configured in a spring shape, so that the grip ball 60 can slightly shake, stretch and rotate relative to the palm rest 10, and the grip ball 60 floats relative to the palm rest 10, thereby improving the user experience.
In order to adapt to the 3D printing process, the grip ball 60 and the palm support 10 and the forearm support 20 need to be integrally formed, and the same material is used. On one hand, the palm support 10 and the forearm support 20 need to support and protect the palm and the forearm of the user, so that materials with better hardness or rigidity need to be selected; on the other hand, since the grip ball 60 is elastically deformed during the user's grip of the grip ball 60, the grip ball 60 is made of a material having a certain elasticity. In order to balance the performance requirements of the grip ball 60 with the palm support 10 and the forearm support 20, referring to fig. 1 to 3, the grip ball 60 is hollow, and a plurality of through holes are formed in the spherical surface of the grip ball 60, so that the grip ball 60 is easily elastically deformed and is convenient for a user to grasp. Therefore, the influence of poor elastic performance of the material is reduced through structural optimization, so that the performance requirements of the palm support 10 and the forearm support 20 on the hardness or rigidity of the material can be met, and the grip ball 60 has certain elasticity. In addition, the hollow structure is adopted, the weight of the grip ball 60 can be reduced, the brace is lighter, and the load sense of a user is reduced.
The grip ball 60 having a hollow structure has a problem that a user feels cut when holding the grip ball, and the outer surface of the grip ball 60 may have a width too small to easily cause damage. In another embodiment, the grip ball 60 includes a center, a plurality of branches 63 radially outwardly formed on the center, and a touch head 64 formed at the end of the branches 63. referring to fig. 4, the grip ball 60 having this structure is not easily damaged and is more comfortable to hold by a user.
In the process of grasping the grip ball 60, the fingers need to overcome the elasticity of the grip ball 60, so that the nerve exercise effect can be achieved, and the nerve recovery is facilitated. Also, the grip ball 60 can urge the fingers open so that the fingers remain in a functional position when not gripping the grip ball 60. This can be beneficial to the finger rehabilitation training.
Referring to fig. 5 to 7, the swing hinge 50 includes a first swing member 52 and a second swing member 53 hinged to each other, one of the first swing member 52 and the second swing member 53 is provided on the forearm support 20, and the other is provided on the palm support 10, the first swing member 52 is provided with a movable portion, and the second swing member 53 is provided with a stopper portion for stopping the movable portion from being swung. The rotation angle between the first rotating member 52 and the second rotating member 53 is limited by the blocking effect of the blocking portion on the movable portion, so that the angle between the forearm support 20 and the palm support 10 is limited, the angle between the arm and the palm of the user is limited, and the wrist is reinforced.
In this embodiment, the rotating hinge 50 further includes a locking block 51, a central hole 524 is disposed on the first rotating member 52, a rotating shaft 531 is disposed on the second rotating member 53, the rotating shaft 531 is rotatably engaged with the central hole 524, a plurality of first insertion holes 523 are disposed on the first rotating member 52 and uniformly distributed around the central hole 524 in a circumferential manner, a plurality of second insertion holes 532 are disposed on the second rotating member 53 at positions corresponding to the first insertion holes 523, the plurality of second insertion holes 532 are uniformly distributed around the rotating shaft 531 in a circumferential manner, and a plurality of locking posts 512 capable of passing through the first insertion holes 523 and the second insertion holes 532 are disposed at the bottom of the locking block 51. The locking column 512 of the locking block 51 passes through the first insertion hole 523 and the second insertion hole 532, and the first rotating member 52 and the second rotating member 53 are locked and cannot rotate relatively, so that the angle between the forearm support 20 and the palm support 10 is fixed; the locking block 51 is pulled out, so that the locking column 512 is separated from the first insertion hole 523 or the second insertion hole 532, the locking is released, and the first rotating piece 52 and the second rotating piece 53 can be adjusted to rotate relatively, so that the angle between the forearm support 20 and the palm support 10 is adjusted to meet the requirement of a user, the wrist is fixed in a certain angle state, and the locking block 51 is reset and locked after the adjustment is finished.
Specifically, the locking block 51 is provided at the center thereof with a counter bore 511, the rotation shaft 531 extends upward through the counter bore 511, the top end of the rotation shaft 531 is provided with a convex cap 534, and the diameter of the convex cap 534 is larger than the central bore of the counter bore 511, so that the locking block 51 is prevented from being disengaged from the rotation shaft 531. The locking block 51 can be pulled upward a short distance to disengage the locking post 512 from the first insertion hole 523, and then the first rotating member 52 can be rotated to adjust the relative positions of the first rotating member 52 and the second rotating member 53. It will be appreciated that the rotating shaft 531 may also be provided on the first rotating member 52, and accordingly, the center hole 524 is provided on the second rotating member 53.
In this embodiment, the second rotating member 53 is provided with an accommodating cavity 536 for accommodating the first rotating member 52, the side surface of the first rotating member 52 is provided with a plurality of pendulums 521 protruding outwards, a blocking protrusion 535 is provided in the accommodating cavity 536, the blocking protrusion 535 is located between two pendulums 521, and the pendulums 521 or the blocking protrusion 535 can be elastically deformed. When the locking block 51 is unlocked and the angle between the first rotating member 52 and the second rotating member 53 is adjusted, the pendulum 521 can bypass the blocking protrusion 535 by the elastic deformation of the pendulum 521 or the blocking protrusion 535, and the user can feel a noticeable jerk or hear the impact due to the blocking protrusion 535, so that the user can more clearly know the moving angle of the wrist (i.e., the angle between the palm brace 10 and the forearm brace 20), and the user can conveniently adjust the brace. The pendulum 521 is a movable portion of the first rotating member 52, and the blocking protrusion 535 is a blocking portion of the second rotating member 53. The outer side surface of the second rotating member 53 is provided with a sliding groove 533, the first rotating member 52 is provided with a first connecting block 525, the first connecting block 525 penetrates through the sliding groove 533 and can rotate along the sliding groove 533, the first connecting block 525 is fixedly connected with the forearm support 20 or the palm support 10, the second rotating member 53 is provided with a second connecting block 537, the second connecting block 537 is fixedly connected with the palm support 10 or the forearm support 20, and the blocking bump 535 is arranged on the wall surface of the second connecting block 537 in the accommodating cavity 536.
Specifically, pendulum 521 can elastically deform, pendulum 521 includes the great head of width and the less afterbody of width, and the afterbody width is less, is convenient for produce deformation, is equipped with spacing arch 522 between two adjacent pendulum 521. The limiting protrusion 522 blocks the pendulum 521, limits the swing angle of the pendulum 521, and avoids the pendulum 521 from breaking due to an excessively large swing angle.
In this embodiment, the number of the first insertion holes 523 is 12, and the 12 first insertion holes 523 are uniformly distributed on the same circumference, so that the included angle between two adjacent first insertion holes 523 is 30 °, and the positions of the pendulums 521 correspond to the positions of the first insertion holes 523, and therefore, when the locking block 51 is unlocked and the angle between the first rotating member 52 and the second rotating member 53 is adjusted, the angle is adjusted to be 30 ° every time one pendulum 521 is rotated.
The muscle nerve injury of the hand may not be embodied only as a claw-shaped hand, but the rehabilitation training action of rotating the wrist may be required to be performed by the patient (user) during rehabilitation training. Thanks to the arrangement of the rotating hinge 50, the finger rehabilitation brace of the embodiment can facilitate the rotation of the wrist of the user, achieve the effect of nerve exercise, and is beneficial to nerve rehabilitation. Therefore, when the finger rehabilitation brace of the embodiment is used, the user can complete the rehabilitation action of the finger joint and the wrist joint, and the hand rehabilitation effect of the user is promoted.
The rotating hinge 50, the forearm support 20, the palm support 10 and the grip ball 60 are integrally formed by 3D printing.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (15)
1. The utility model provides a recovered brace of 3D printing finger which characterized in that includes:
a forearm brace for fixing a forearm;
the palm brace is used for fixing a palm and fingers;
a swivel hinge connecting the forearm brace and the palm brace; and
the gripping ball is arranged at the palm position of a user.
2. The 3D printing finger rehabilitation brace of claim 1, wherein: the palm brace adopts half package formula structure, be equipped with first connection structure on the palm brace, first connection structure is used for fixing the palm brace is on user's hand.
3. The 3D printing finger rehabilitation brace of claim 2, wherein: the palm brace comprises a palm fixing part, the first connecting structure is arranged on one side of the palm fixing part or on two side edges of a plurality of turned edges, and the turned edges extend upwards from two sides of the palm fixing part and are bent inwards.
4. The 3D printing finger rehabilitation brace of claim 1, wherein: the palm brace is provided with a plurality of finger separating openings for fingers to pass through.
5. The 3D printing finger rehabilitation brace of claim 4, wherein: the palm brace comprises a palm fixing part, a plurality of finger supporting parts extending forwards are arranged on the palm fixing part, finger coating edges are arranged on the finger supporting parts, the finger coating edges are enclosed to form finger separating openings, and notches are formed in the outer sides of the coating edges.
6. The 3D printing finger rehabilitation brace of claim 1, wherein: still include connecting portion, connecting portion flexonics palm brace with the grip ball.
7. The 3D printing finger rehabilitation brace of claim 1, wherein: the grip ball is of a hollow structure, and a plurality of through holes are formed in the spherical surface of the grip ball.
8. The 3D printing finger rehabilitation brace of claim 1, wherein: the grip ball comprises a ball center, a plurality of ball branches arranged on the ball center in an outward radial shape, and a touch head arranged at the tail end of each ball branch.
9. The 3D printing finger rehabilitation brace of any one of claims 1-8, wherein: the rotation hinge includes that first rotation piece and second of mutual articulated rotate, in first rotation piece and the second rotated the piece, one was located on the forearm brace, another was located on the palm brace, be equipped with the movable part on the first rotation piece, it prevents to rotate to be equipped with on the second the movable part pivoted stops the portion.
10. The 3D printing finger rehabilitation brace of claim 9, wherein: the rotating hinge further comprises a locking block, a plurality of first jacks which are uniformly distributed circumferentially around the rotating center are arranged on the first rotating piece, a plurality of second jacks are arranged at positions, corresponding to the first jacks, on the second rotating piece, and a plurality of locking columns capable of penetrating through the first jacks and the second jacks are arranged on the locking block.
11. The 3D printing finger rehabilitation brace of claim 10, wherein: the second rotating part is provided with a containing cavity for containing the first rotating part, the side face of the first rotating part is provided with a plurality of pendulums protruding outwards, a blocking lug is arranged in the containing cavity and located between the two pendulums, and the pendulums or the blocking lugs can elastically deform.
12. The 3D printing finger rehabilitation brace of claim 11, wherein: the pendulum bob can elastically deform, the pendulum bob comprises a head part and a tail part, the width of the head part is larger than that of the tail part, and a limiting bulge is arranged between every two adjacent pendulum bob.
13. The 3D printing finger rehabilitation brace of claim 1, wherein: the forearm brace adopts half package formula structure, be equipped with second connection structure on the forearm brace, second connection structure is used for fixing the forearm brace is on user's forearm.
14. The 3D printing finger rehabilitation brace of claim 13, wherein: the second connecting structure comprises an elastic fixing belt, and the fixing belt is connected with two side edges of the forearm support.
15. The 3D printing finger rehabilitation brace of claim 1, wherein: the palm brace and the forearm brace are both provided with a plurality of air holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911119696.9A CN110897771A (en) | 2019-11-15 | 2019-11-15 | Recovered brace of 3D printing finger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911119696.9A CN110897771A (en) | 2019-11-15 | 2019-11-15 | Recovered brace of 3D printing finger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110897771A true CN110897771A (en) | 2020-03-24 |
Family
ID=69817573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911119696.9A Pending CN110897771A (en) | 2019-11-15 | 2019-11-15 | Recovered brace of 3D printing finger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110897771A (en) |
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| CN112168532A (en) * | 2020-11-06 | 2021-01-05 | 宁波奥达智能家居有限公司 | Arm and hand rehabilitation device and nursing bed |
| CN113101033A (en) * | 2021-04-14 | 2021-07-13 | 广东工业大学 | Joint rehabilitation brace and configuration method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200324 |