Abstract: The disclosure relates to a spinal intervertebral body fusion device including an adjustable spacer, a first and second pushing piece, and an operative piece. The adjustable spacer includes a first and second supporting plate. The first supporting plate portion is movably installed on the second supporting plate portion. The first and second supporting plate portions form a first and second opening respectively located at two opposite sides of the adjustable spacer. The first pushing piece located at the first opening and is partially clamped by the first and second supporting plate portions. The second pushing piece located at the second opening is partially clamped by the first and second supporting plate portions. The operative piece is movably disposed through the second pushing piece and screwed to the first pushing piece. The operative piece has an annular slot, and the second pushing piece is partially located in the annular slot.

Abstract: The disclosure relates to a reconstruction prosthesis including a plurality of prosthesis units connected in series. Each of the prosthesis units includes a main part and a cushion structure. The main part has an abutment insertion opening and an accommodation space. The cushion structure is located in the accommodation space and movably located at the abutment insertion opening and defining an abutment mounting hole connected to the abutment insertion opening. The cushion structure is deformable with respect to the main part.

Abstract: A recoater collision prediction and calibration method for additive manufacturing and a system thereof are provided.

Abstract: The disclosure relates to a vertebral body implant including a flexible main body and at least one pedicle screw joint. The flexible main body is an integrally formed single piece having at least one joint-accommodating hole and at least one opening connected to the at least one joint-accommodating hole. The pedicle screw joint is an integrally formed single piece movably accommodated in the at least one joint-accommodating hole.

Abstract: A recoater collision prediction and calibration method for additive manufacturing and a system thereof are provided.

Abstract: The disclosure relates to a reconstruction prosthesis including a main section, at least one serpentine structure, and at least one mount section. The at least one serpentine structure is connected to one end of the main section. The at least one mount section is connected to the main section via the at least one serpentine structure. The at least one mount section is configured to be connected to osseous tissue. When the at least one serpentine structure is deformed by force, the relative position of the main section and the at least one mount section is changed.

Abstract: One embodiment of the disclosure relates to a flexible bone fixation device including two first fixation parts and a first flexible spanning part, connected between the two first fixation parts. The first flexible spanning part has a plurality of first cuts spaced apart by one another.

Abstract: A bone implant includes at least one spiral and at least one pillar. The spiral surrounds an accommodating space. The pillar is disposed in the accommodating space and connected to the spiral. The pillar has at least one notch.

Abstract: The disclosure relates to a spinal intervertebral body fusion device including an adjustable spacer, a first and second pushing piece, and an operative piece. The adjustable spacer includes a first and second supporting plate. The first supporting plate portion is movably installed on the second supporting plate portion. The first and second supporting plate portions form a first and second opening respectively located at two opposite sides of the adjustable spacer. The first pushing piece located at the first opening and is partially clamped by the first and second supporting plate portions. The second pushing piece located at the second opening is partially clamped by the first and second supporting plate portions. The operative piece is movably disposed through the second pushing piece and screwed to the first pushing piece. The operative piece has an annular slot, and the second pushing piece is partially located in the annular slot.

Abstract: The disclosure relates to a vertebral body implant including a flexible main body and at least one pedicle screw joint. The flexible main body is an integrally formed single piece having at least one joint-accommodating hole and at least one opening connected to the at least one joint-accommodating hole. The pedicle screw joint is an integrally formed single piece movably accommodated in the at least one joint-accommodating hole.

Abstract: The disclosure relates to a reconstruction prosthesis including a plurality of prosthesis units connected in series. Each of the prosthesis units includes a main part and a cushion structure. The main part has an abutment insertion opening and an accommodation space. The cushion structure is located in the accommodation space and movably located at the abutment insertion opening and defining an abutment mounting hole connected to the abutment insertion opening. The cushion structure is deformable with respect to the main part.

Abstract: The disclosure relates to a reconstruction prosthesis including a main section, at least one serpentine structure, and at least one mount section. The at least one serpentine structure is connected to one end of the main section. The at least one mount section is connected to the main section via the at least one serpentine structure. The at least one mount section is configured to be connected to osseous tissue. When the at least one serpentine structure is deformed by force, the relative position of the main section and the at least one mount section is changed.

Abstract: An artificial joint includes a first joint assembly and a second joint assembly. The first joint assembly is adapted to be connected to a first bone and has a first contacting surface, wherein the first contacting surface includes a first convex arc surface, a second convex arc surface, and a third convex arc surface. The second joint assembly is adapted to be connected to a second bone and has a second contacting surface, wherein the second contacting surface is in contact with the first contacting surface and includes a first concave arc surface, a second concave arc surface, and a third concave arc surface, and the first concave arc surface, the second concave arc surface, and the third concave arc surface respectively correspond to the first convex arc surface, the second convex arc surface, and the third convex arc surface.

Abstract: A smart mechanical component has a mechanical part main body; a mechanical part secondary body located inside of the mechanical part main body; a three dimensional three-dimensional (3-D) reserved space located between the mechanical part main body and the mechanical part secondary body; at least one connecting unit connecting the mechanical part main body and the mechanical part secondary body; wherein the mechanical part main body, the mechanical part secondary body and the three dimensional three-dimensional (3-D) reserved space form a capacitor; the connecting unit forms an inductor; the inductor and the capacitor forms an inductor-capacitor circuit.

Abstract: A bone implant includes at least one spiral and at least one pillar. The spiral surrounds an accommodating space. The pillar is disposed in the accommodating space and connected to the spiral. The pillar has at least one notch.

Abstract: A battery electrode structure includes a substrate, a first conductive layer and a plurality of active particles. The substrate has a substrate surface. The first conductive layer is disposed on the substrate surface. Each of the active particles has a first portion conformally engaged with a surface of the first conductive layer and a second portion protruding outwards from the surface of the first conductive layer.

Abstract: An artificial joint includes a first joint assembly and a second joint assembly. The first joint assembly is adapted to be connected to a first bone and has a first contacting surface, wherein the first contacting surface includes a first convex arc surface, a second convex arc surface, and a third convex arc surface. The second joint assembly is adapted to be connected to a second bone and has a second contacting surface, wherein the second contacting surface is in contact with the first contacting surface and includes a first concave arc surface, a second concave arc surface, and a third concave arc surface, and the first concave arc surface, the second concave arc surface, and the third concave arc surface respectively correspond to the first convex arc surface, the second convex arc surface, and the third convex arc surface.

Abstract: A method for fabricating a medical device includes steps as follows: A degradable powder including at least one metal element is firstly provided on a target surface. A focused energy light bean is applied to sinter/cure the biodegradable powder within an oxygen-containing atmosphere; wherein the oxygen concentration of the oxygen-containing atmosphere is adjusted to provide a first oxygen concentration and a second concentration when the focused energy light is driven to a first location and second location of the target surface respectively. The aforementioned processes are then repeatedly carried out to form a three-dimensional (3D) structure of the medical device.

Abstract: A bionic fixing apparatus is provided. The bionic fixing apparatus includes a body having a through hole and at least one slit. The through hole penetrates the body from the top surface to the bottom surface to form a top opening and a bottom opening. An inner diameter of the top opening is larger than an inner diameter of the bottom opening. The slit is connected to the bottom opening and extends upwardly from the bottom surface of the body, such that the body has a flexible bottom portion.

Abstract: A bionic apparatus is provided. The bionic apparatus includes a flexible portion having a plurality of pores, a rigid portion connected with the flexible portion, and a supporting element disposed in the flexible portion. The pore size of each pore is between 50 ?m to 500 ?m. The flexible portion, the rigid portion and the supporting element are one-piece formed by a additive manufacturing process.