Abstract

The present invention relates to three-dimensional body implants comprising a hydrogel comprising crosslinked alginate and gelatin, and in particular breast implants. The hydrogel of the implants according to the invention may further comprise fibrinogen. The implants according to the invention are acellular, that is to say free of cells during their manufacture.

IPC Classes  ?

• A61L 27/52 - Hydrogels or hydrocolloids
• A61L 27/56 - Porous or cellular materials

Abstract

The present invention concerns an electro-hydraulic forming machine for the plastic deformation of a projectile part (P13) of the wall (P1) of a workpiece (P) to be formed, preferably a cylindrical tubular workpiece, by means of a forming fluid (F). The electro-hydraulic forming machine (1) comprises a tool (4) for applying said forming fluid (F) on the inner face (P11) of said projectile part (P13), said application tool (4) comprising: - a chamber (44) intended to contain said forming fluid (F), cooperating with means (3) for generating a shock wave in the forming fluid (F) intended to be contained in said chamber (44), and - at least one downstream port (42), intended to open opposite said projectile part (P13) of the wall (P1) to be deformed and in fluid communication with said chamber (44), in order to allow the passage of said forming fluid (F) and for propagating the generated shock wave towards the footprint (22) of a target support (2).

IPC Classes  ?

• B21D 26/06 - Shaping without cutting otherwise than by using rigid devices or tools or yieldable or resilient pads, e.g. shaping by applying fluid pressure or magnetic forces by applying fluid pressure by shock waves
• B21D 26/12 - Shaping without cutting otherwise than by using rigid devices or tools or yieldable or resilient pads, e.g. shaping by applying fluid pressure or magnetic forces by applying fluid pressure by shock waves initiated by spark discharge

Abstract

The invention relates to a device for machining a component, said device comprising: a. a machining head (370) and motorised shafts, comprising a rotary shaft for moving said head in a space known as the working space; b. means for positioning a component in said working space and holding it in position there; c. characterized in that the machining head (370) comprises means (440) for supporting shaping tools for shaping the material and means (250, 451, 452) that are able to add material. The invention also relates to a machining method implemented by this device.

IPC Classes  ?

• B23P 17/00 - Metal-working operations, not covered by a single other subclass or another group in this subclass
• B23K 9/04 - Welding for other purposes than joining, e.g. built-up welding
• B23P 15/00 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
• B23P 23/04 - Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
• B23Q 39/02 - Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being capable of being brought to act at a single operating station
• B21D 31/00 - Other methods for working sheet metal, metal tubes, metal profiles
• B23K 26/34 - Laser welding for purposes other than joining