Artificial simulation arm

An artificial and arm technology, applied in the field of artificial artificial prosthesis, can solve the problems of single function, high price and many complications of prosthesis, and achieve the effect of flexible functional movement, low cost and strong sense of reality.

Inactive Publication Date: 2009-09-23
张为众
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to overcome the shortcomings of the above-mentioned traditional prosthetics such as single function, high error rate, many complications, and high price, and provide an artificial artificial arm

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Embodiment Construction

[0032] Below in conjunction with accompanying drawing and embodiment the present invention will be described in further detail:

[0033] refer to figure 1 As shown in Figure 5, a person's arm is mainly composed of bones, tendons, tendon sheaths, pulleys and skin. Bones include the phalanges, metacarpals, wrist bones, ulna, and radius. The phalanx is divided into the thumb bone, index phalanx, middle phalanx, ring phalanx, and little phalanx. Except for the thumb bone, which is composed of the proximal phalanx and the distal phalanx, the other four fingers are composed of the proximal phalanx, middle phalanx, and distal phalanx. The metacarpal is made up of five bones. The wrist bone is made up of eight bones, plus the ulna and radius. The entire arm (excluding the humerus of the upper arm) is composed of twenty-nine bones.

[0034] The artificial arm should not only achieve simulation in function, but also be easy to implement and low in cost. The present invention adopts ...

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Abstract

The invention discloses an artificial artificial arm, aiming to provide an artificial arm with multiple functions, zero error rate and no complications. It consists of artificial finger bones, metacarpal bones (10), ulna (16), radius bones (17), tendons, tendon sheaths, pulleys (4) and skin (1); the interphalangeal joints of the artificial fingers are hinged, as are the phalanx and metacarpal bones. Hinged, the metacarpal bone and the radial bone are connected by a ball-and-socket joint; the distal end of the tendon covered with a closed tendon sheath is fixed on the distal phalanx (3) of each finger bone on both sides of the palm and the back of the hand, and the middle of it is made by an artificial pulley (4). The tendon is attached to each finger bone and wrist joint, and the proximal end enters and exits from the radial bone on both sides of the palm and the back of the hand. There are two holes communicating with the inner cavity of the radius; artificial skin can be made into gloves; artificial arms pass through The self-tapping thread is screwed into the stump of the radius of the human body, and the proximal end of each artificial tendon is sutured and connected with the corresponding tendon of the human body. The invention is suitable for patients with amputation at the distal end of the forearm.

Description

technical field [0001] The invention relates to an artificial artificial artificial limb, in particular to an artificial artificial arm suitable for the requirements of patients with upper limb forearm distal amputation. Background technique [0002] At present, it is generally accepted that upper limb prostheses are structurally divided into: (1) decorative hands, which mainly play a cosmetic role and have no function; (2) tool hands, which are poor in appearance and are mainly convenient for labor; (3) functional prosthetic hands, which are aesthetically pleasing, There are fewer functions; (4) myoelectric prosthetic hand, powered by a small electric motor, has a complex structure and a single function. [0003] 1) Although the current artificial limbs are relatively close to the normal limbs of the human body in appearance, they are far from functional. Take the upper limb prosthesis as an example. There are 27 degrees of freedom in the upper limbs of the human body, of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/54
Inventor 张为众曹占义杨晓华
Owner 张为众
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