Abstract: An artificial implant for a trapeziometacarpal joint is provided. The artificial implant has a joint replacement portion and at least two insertion rods. The insertion rods of the artificial implant can help to decrease the wound area during the implantation of the artificial implant in order to accelerate the speed of tendon reattachment after implanting and to enhance the ability of anti-rotation.

Abstract: An auxiliary jig for a trapeziometacarpal joint arthroplasty is disclosed. The jig has a body, two grip portions, and a positioning portion. The positioning portion has a plurality of positioning holes so that pins can be fixed on the first metacarpal bone through the positioning holes. The jig can provide accurate positioning operations for cutting and drilling during a trapeziometacarpal joint arthroplasty.

Abstract: An artificial implant for a carpometacarpal (CMC) joint used for replacing a CMC joint surface of the first metacarpal bone is provided and has: an insert portion having an inserting end for inserting into a bone marrow cavity exposed from an incision of the first metacarpal bone, and a front end; an articular replacement portion connected to the front end of the inserting portion and disposed outside the incision of the first metacarpal bone, and having an articular profile surface to replace the CMC joint surface of the first metacarpal bone; and an attached flange protruded from a peripheral of the articular replacement portion, attached to an outer bone surface of the first metacarpal bone adjacent to the incision, and having at least one suture hole, through which at least one suture passes for assisting to fix an abductor pollicis longus (APL) to the outer bone surface.

Abstract: A bone fixation plate for fixing a fracture part of a bone is disclosed and can stably fix on a surface of a bone. The bone fixation plate has a protruding curved face, an indentation curved face and two rows of through holes. The protruding curved face has a blank portion and two binding portions. A suture is retained in the through holes formed close to two end edges of the binding portions, so that the stability of the bone fixation plate is improved.

Abstract: An upper limbs rehabilitation device includes a main body, a rail, a movable member and a grip, wherein the main body has a first link and a second link pivotably connected to the first link. The rail is connected to the second link. The user holds the grip that is pivotably connected to the movable member and swings the upper limb to move the movable member along the rail so as to exercise the upper limb in multiple degrees of freedom.

Abstract: A resonator, an elastic wave transmission element and a method for fabricating the transmission element are provided. The elastic wave transmission element has a first side and a second side. The elastic wave transmission element includes a plurality of structures sequentially arranged along a direction from the first side toward the second side. Each of the structures has a different defect which is different to each other. The impedance of the structures decreases gradually along the direction. As such, the elastic wave transmission element has an impedance match function.

Abstract: An upper limbs rehabilitation device includes a main body, a rail, a movable member and a grip, wherein the main body has a first link and a second link pivotably connected to the first link. The rail is connected to the second link. The user holds the grip that is pivotably connected to the movable member and swings the upper limb to move the movable member along the rail so as to exercise the upper limb in multiple degrees of freedom.

Abstract: A resonator, an elastic wave transmission element and a method for fabricating the transmission element are provided. The elastic wave transmission element has a first side and a second side. The elastic wave transmission element includes a plurality of structures sequentially arranged along a direction from the first side toward the second side. Each of the structures has a different defect which is different to each other. The impedance of the structures decreases gradually along the direction. As such, the elastic wave transmission element has an impedance match function.