Abstract: The invention relates to an implantable medical device (1) for injecting and/or collecting fluid substance into and/or from an organism and comprising a chamber (2) delimited by a wall (3) which has at least one pierceable portion (4) in the area of which said wall (3) can be pierced through in the direction of its thickness (e) by a needle (5), said device comprising means (10) for transverse compression of the pierceable portion (4), and also retention means (20) designed to oppose the buckling, towards the outside of the device, experienced by the pierceable portion (4) under the effect of the compression (F1).

Abstract: A surgical ring is suitable for implantation in a human or animal body and to surround a biological organ forming a bag in order to modify the flow area thereof. The ring comprises a hose having an inner surface intended for engaging with the biological organ in order to modify the section thereof and an outer surface opposite the former, and a belt mounted on and along the outer surface and attached to the latter. The hose and the belt are respectively provided with a first and second matching assembly that interact mechanically in order to substantially prevent any sliding of the belt along the outer surface.

Abstract: An implantable surgical ring is configured to be placed around a biological organ forming a bag in order to modify the flow area thereof. The ring includes a flexible strip capable of winding around an axis to form a loop around the organ and which has one ventral surface. The flexible strip is preformed such that the ventral surface is curved around the axis and divided into a plurality of contiguous and intersecting facets. The facets are connected to one another by transition areas forming predefined hinging creases with angle coverage with respect to the axis of no more than 5 degrees, each facet covering an angle sector substantially between 15 degrees and 35 degrees.

Abstract: The invention relates to a medical or surgical device (1) implantable in a human or animal body, said device (1) comprising an envelope (3) consisting of a multi-layer complex, of which at least a first layer (4) is for the most part composed of a first flexible polymer, and of which at least a second layer (5) is for the most part composed of a second flexible polymer, the chemical composition of said first and second flexible polymers preventing the formation of chemical bonds between said first and second flexible polymers, and said envelope (3) being designed to be filled with an inflating fluid. Said device (1) comprises at least a third layer (6), which is designed to form chemical bonds with each of said first and second flexible polymers, in such a way as to join said first and second layers (4, 5) across substantially the entire surface thereof.

Abstract: An implantable device (1) for injecting fluid and/or for tapping fluid, the device having a housing (3) provided with a puncture zone (4) able to be transpierced by a hollow needle (5) for injecting fluid into and/or tapping fluid from a chamber (3A) provided inside the housing (3). The implantable device has a puncture zone (4) made up of at least first and second superposed flexible membranes (6, 7) mounted to be free, at least locally, relative to each other, to allow the membranes, at least locally, to move along each other, so that, once the needle (5) has been removed, the orifice formed by the needle (5) is sliced into first and second sub-orifices (6A, 7A) substantially not coinciding so as to impart a substantially leaktight property to the puncture zone (4).

Abstract: The invention relates to an implantable medical device (1) for injecting and/or collecting fluid substance into and/or from an organism and comprising a chamber (2) delimited by a wall (3) which has at least one pierceable portion (4) in the area of which said wall (3) can be pierced through in the direction of its thickness (e) by a needle (5), said device comprising means (10) for transverse compression of the pierceable portion (4), and also retention means (20) designed to oppose the buckling, towards the outside of the device, experienced by the pierceable portion (4) under the effect of the compression (F1).

Abstract: The invention relates to an implantable surgical ring (1) to be placed around a biological organ while winding around a mean extension axis (X-X?), said ring comprising at least one first bearing part (5) designed to bear against the biological organ and capable of extending inside the ring (1) along a substantially radial first direction (D1), said ring being characterized in that said first bearing part (5) is defined by a first membrane (10) provided with an asymmetrical bendable structure designed, when the first bearing part (5) expands along the first direction (D1), to cause an accompanying shift of at least part of the first membrane (10) from one side to the other of a plane (P1) medial to the first bearing part (5) and normal to the extension axis (X-X?). The invention can be used in gastroplastic rings.

Abstract: The invention relates to an implantable surgical ring (1) to go around a biological organ and constituting a pocket or duct designed for adjustment of the section through which said organ passes, said ring (1) including a belt (2) comprising at least one locking means (3) for said ring (1) in the closed functional position thereof around said biological organ and a flexible inflatable band (10) comprising at least one opening (11) enabling the supply therein of an inflation fluid, said belt (2) being fitted with the flexible inflatable band (10) and attached to the latter, said ring being characterized in that the belt (2) includes a coupling means (14) for coupling said at least one opening (11) of the flexible inflatable band (10) with an inflation fluid supplying means (15).

Abstract: The invention relates to an implantable medical device designed for the injection and/or removal of a fluid substance into and/or from a human or animal body, said device comprising a housing (2) provided with a chamber (3) that extends between a first end and a second end and that is delimited by a side wall (6) which joins said first end to said second end, said side wall (6) having at least a first puncture zone (10) and a second puncture zone (11), said device comprising a non-pierceable screen (13), said device being characterized in that the side wall (6) is formed in one piece, and in that a portion of the non-pierceable screen (13) is inserted into a blind seat (14) formed within the thickness of said side wall (6). Implantable medical devices.

Abstract: An implantable device (1) for injecting and/or drawing fluid or an inflatable and/or deflatable compartment of a surgical implant, the device (1) comprising a hollow body (2) and a puncture wall (3) added to the hollow body (2) so that the hollow body (2) and puncture wall (3) delimits a chamber (4). The puncture wall (3) is transfixed by a hollow needle for injection and/or drawing the fluid into the chamber (4), the device (1) comprises a means for fixing (8) the puncture wall to the hollow body (2) so that the hollow body (2), puncture wall (3) and fixing means (8) form a single subassembly (9) and an enclosure (10) essentially covering the puncture wall (3).

Abstract: The invention relates to an intra-gastric balloon designed to be implanted inside the stomach of a patient for the purpose of reducing the volume of the stomach by way of treatment for obesity, said intra-gastric balloon (1) comprising: at least one bag (2) suitable for being filled, at least partially, with an inflation fluid; connection means (3), mounted on said bag (2) and suitable for receiving a connection member (11) for connection to an inflation fluid source; said intra-gastric balloon being characterized in that the connection means (3) include a chamber (16) designed to be transpierced by said connection member (11) with a view to injecting the inflation fluid into said bag (2), said chamber (16) containing a sealing fluid that is sufficiently viscous and/or thick to guarantee that the connection means (3) are leaktight once the connection member (11) has been removed. The invention also provides an intra-gastric balloon for treating obesity.

Abstract: An implantable device (1) for injecting fluid and/or for tapping fluid, the device having a housing (3) provided with a puncture zone (4) able to be transpierced by a hollow needle (5) for injecting fluid into and/or tapping fluid from a chamber (3A) provided inside the housing (3). The implantable device has a puncture zone (4) made up of at least first and second superposed flexible membranes (6, 7) mounted to be free, at least locally, relative to each other, to allow the membranes, at least locally, to move along each other, so that, once the needle (5) has been removed, the orifice formed by the needle (5) is sliced into first and second sub-orifices (6A, 7A) substantially not coinciding so as to impart a substantially leaktight property to the puncture zone (4).

Abstract: An expandable intragastric balloon (1) to be implanted in, and subsequently removed from, the stomach (2) of a patient through natural orifices as part of a treatment for obesity. The intragastric balloon (1) includes an outer casing (3) sufficiently flexible that the outer casing can change from a first configuration, the introduction configuration, to a second configuration, the deployed configuration, in which the balloon adopts a functional shape. The balloon (1) includes means for configuring the balloon in an extraction configuration (10), the means exerting a stress on the intragastric balloon (1) such that the balloon changes from the deployed configuration to a third noticeably-smaller contracted volume configuration, the extraction configuration, by acting on the outer casing (3) such that the casing (3) essentially returns to or towards a predetermined shape corresponding to the extraction configuration.

Abstract: An intragastric balloon (1) for treating obesity, designed to be implanted in a patient's stomach to reduce the stomach volume, the balloon (1) being delimited by a surface envelope (3) and wherein at least one fraction (6, 7) of the surface envelop (3) is associated with a reinforcement (8), to form a reinforced portion designed to extract the balloon (1) out of the stomach by gripping the reinforced portion with an endoscopic extracting tool (2).

Abstract: An expandable intragastric balloon implantable in the stomach for the treatment of obesity, comprising an outer casing (2) which is sufficiently flexible to change from a reduced volume configuration to an expanded configuration, thereby imparting the balloon (1) with its functional shape. The balloon further comprises means (3) for forming the outer casing (2), which are structurally integrated into the balloon (1), but generally are separate from the outer casing (2). Once the balloon (1) has been implanted, the aforementioned forming means (3) can be actuated in order to: (i) exert a sufficient driving pressure on the outer casing (2) such as to force the deployment thereof, and (ii) occupy a sufficient volume inside the outer casing (2) in order to produce the deployment of the outer casing (2) from the reduced volume configuration to the expanded configuration thereof.

Abstract: An expandable intragastric balloon comprising a first flexible pouch (2) comprising a port; a second pouch (20) which contains the first pouch (2) and which is equipped with a hole (21); and, a sealing member (4) which is hermetically fixed to the second pouch (20) and which is intended to seal the port and the hole (21). The first and second pouches (2, 20) are produced from different, non-compatible materials and are assembled with the aid of a fixing element (7). The fixing element is designed to ensure that the sealing member (4) is hermetically fixed to the first pouch (2) inside a passage (6) that is defined by a neck (5) which extends from the port, such that sufficient pressure is exerted on the neck (5) in order for same to be pinched between the sealing member (4) and the fixing element (7).

Abstract: A surgical band comprising a flexible strip (2) which is designed to be closed essentially at the two ends thereof in order to form a closed loop, the strip (2) comprising an annular compression chamber (7) having a volume that can be adjusted with the injection or removal of fluid. The aforementioned chamber (7) is defined by (i) an inner wall (8A) which is formed by a membrane and (ii) a dorsal wall (8B). The dorsal wall (8B) is formed by a bead comprising an inner face which is located opposite the chamber (7) and which is provided with at least one longitudinal slot. A surgical band which is intended to be implanted in the body of a patient around one or more biological organs such as to form a pouch or conduit which can alter the flow cross-section of the organ when clamped by the band.

Abstract: Please cancel the previous Abstract and insert the following new Abstract. The invention relates to an expandable intragastric balloon, for implantation into the stomach of a patient, to reduce the volume thereof for the treatment of obesity. Said balloon is provided with at least one first flexible pouch, capable of shifting from a folded position to an expanded position by introducing an inflation fluid into the first pouch, said expanded position giving a functional form to the balloon. Said balloon is characterized in that it comprises a ballasting means, for making said balloon substantially heavy to improve the positioning thereof in the stomach.

Abstract: An implant and a method for producing an implant for plastic surgery comprising an injection stage, wherein an elastomeric material is injected into a mould in order to produce a flexible envelope for forming a pocket.

Abstract: An implantable surgical ring (1, 10) for surrounding one or more organs having a pouch or a duct, in order to modify the section of the passage in the organ(s), the ring (1, 10) being in the form of a flexible strap (2, 20) extending between first and second ends (3, 4, 40, 400), the flexible strap (2, 20) being provided towards its first and second ends (3, 4, 40, 400) with respective male and female closure elements (5, 50; 6, 60, 600) arranged to co-operate in such a manner that the flexible strap (2, 20) forms a closed loop, the female closure element (6, 60, 600) permanently forming a closed collar. The female element (6, 60, 600) includes a structural discontinuity (20, 200, 2000) in which the deformability of the female element (6, 60, 600) is greater than the deformability of the remainder of the female element (6, 60, 600). The invention is applicable to implantable surgical rings.