Abstract: The invention relates to an implantable surgical ring (1) designed to be closed on itself to form a closed loop (2) having an extension medium axis (XX?) for tightening a biological organ (3), wherein said ring (1) includes at least a first and a second ring tightening chamber (12, 13) attached to each other designed to contain a filling fluid for tightening said biological organ (3), said first and second tightening chambers being stepped along the extension medium axis (XX?), said ring being characterized in that the first and second tightening chambers (12, 13) include between them a material-free clearance area (20), in which the wall of the biological organ (3) may move without contacting the ring (1), in order to tighten said biological organ (3) at the level of at least two axially-separated contact areas (14A, 14B).

Abstract: The invention relates to an implantable medical device for injecting and/or collecting fluid substance into and/or from a human or animal organism, said device comprising a casing (6) whose wall (3) delimits a chamber and is pierced with at least a first access orifice (7) designed to allow a needle to pass through said wall (3), said device being characterized in that the first access orifice has a staged structure comprising: a guide portion designed to limit the angular clearance of the needle when said needle is engaged therein, and a flared intake portion that forms a continuation of the guide portion, so as to be able to cause the trajectory of the incoming needle to converge on the guide portion. Implantable medical devices.

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 an implantable medical device (1) comprising a flexible band (2) intended for being placed around an organ to tightly bind the latter, said medical device being characterised in that it includes a positioning means (10) provided with a curved stiffening element with a rigidity greater than that of the flexible band, said positioning means (10) being designed to be inserted around the organ in order to substantially mark the path for placing said flexible band (2) around said organ. The invention can be used in the field of implantable medical devices.

Abstract: An implantable device (1) for injecting and/or drawing fluid either in an organ or vessel of the body of a human or animal patient and the device comprising a housing (2) with a chamber (2A) connected to a catheter, the catheter is connected either to the organ or vessel or to the compartment. The housing (2) has a proximal wall (4) and a distal wall (5) between which a lateral wall extends. The housing (2) has a puncture area (7) able to be pierced by a hollow needle (14) for injecting and/or drawing fluid in the chamber (2A). The puncture zone (7) extends on the proximal wall (4) and the lateral wall.

Abstract: The invention relates to an expandable intra-gastric balloon (1) for treating obesity, the balloon being for implanting in the stomach in order to reduce its volume, said balloon (1) comprising a first flexible pouch (2) provided with first connection means (3) for receiving a connection member (6) that is for connection to a first fluid source in order to expand said first pouch (2) in the stomach by filling it with fluid, the balloon being characterized in that it includes at least one second flexible pouch (20) provided with second connection means (3?), said second connection means (3?) being separate from the first connection means (3) in such a manner as to be capable of being connected to a second fluid source different from the first fluid source. The invention applies to 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: 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 medical device for injecting and/or collecting fluid substance into and/or from a human or animal organism, said device comprising a casing (6) whose wall (3) delimits a chamber and is pierced with at least a first access orifice (7) designed to allow a needle to pass through said wall (3), said device being characterized in that the first access orifice has a staged structure comprising: a guide portion designed to limit the angular clearance of the needle when said needle is engaged therein, and a flared intake portion that forms a continuation of the guide portion, so as to be able to cause the trajectory of the incoming needle to converge on the guide portion. Implantable medical devices.

Abstract: The invention relates to a method for making a flexible pouch, said method being characterized in that it comprises: the step of inserting (a) at least one fluid or powdery material into a hollow mould (3) having an inner wall (3A), said inner wall (3A) defining a closed moulding surface; the step of rotating (b) the mould (3) in order to spread the material substantially against the entire inner wall (3A) of the mould (3) by centrifuging. The invention can be used for flexible containers.

Abstract: The invention relates to an implantable surgical ring (1) intended to close on itself around a mean extension axis in order to enable adjustment of the section through which a biological organ passes, said ring being characterized in that the same comprises at least one first and one second gripping bag (10, 11) that are tiered along the mean extension axis, are designed to be filled with filling fluid, and respectively have a first peak portion (12) and a second peak portion (13), and in that said first and second peak portions (12, 13) are separated by a separation area (14) including a retaining means (20) receding away from said first and second peak portions (12, 13) to limit the depth (P) to which the gripped biological organ can enter between said first and second peak portion.

Abstract: The invention relates to an implantable surgical ring (1) designed to be closed on itself to form a closed loop (2) having an extension medium axis (XX?) for tightening a biological organ (3), wherein said ring (1) includes at least a first and a second ring tightening chamber (12, 13) attached to each other designed to contain a filling fluid for tightening said biological organ (3), said first and second tightening chambers being stepped along the extension medium axis (XX?), said ring being characterised in that the first and second tightening chambers (12, 13) include between them a material-free clearance area (20), in which the wall of the biological organ (3) may move without contacting the ring (1), in order to tighten said biological organ (3) at the level of at least two axially-separated contact areas (14A, 14B).

Abstract: The invention relates to an inflation device (1) for inflating an expansible surgical implant (2), wherein said implant (2) is to be positioned inside the body of a human or an animal and is capable of changing, by supplying a filling fluid, from a deflated configuration to an inflated configuration in which it assumes a predetermined volume, said inflation device (1) being characterised in that it comprises a cartridge (3) adapted to be connected with the implant (2) for inflating the same, said cartridge (3) containing a predetermined amount of inflating fluid that does not exceed the amount of inflating fluid to be contained in the implant (2) for the latter to reach its predetermined volume, and in that it comprises an inflation end piece (4) including a means for adjusting the flow (5) of the filling fluid fed into the implant (2). The invention can be used in devices for inflating surgical implants.

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: A kit for introducing an intragastric implant. The kit comprises an intragastric implant for implanting in the stomach. The implant is expandable from a configuration for introduction into the stomach to a therapeutic configuration within the stomach. The kit further includes a cartridge for packaging said implant in the introduction configuration. The cartridge is provided with an opener member activatable by positive action enabling it to depart from a closed configuration. The cartridge includes locking means functionally connected to the opener member and capable on its own, without any external action on said locking means of holding the cartridge in the closed configuration. The intragastic implant may be used for treating obesity.

Abstract: A gastroplasty ring having a single control is provided and includes a flexible strip with two ends for being closed around the stomach by a closure system so as to reduce the diameter of the opening of the stoma. The strip may have an annular compression chamber of adjustable volume and of substantially constant section connected by an adjustment catheter to a device for adjusting the internal pressure in the chamber so as to adjust its diametral expansion. The closure system may be used for reversibly locking and loosening the ring, and for releasing the diameter of the ring momentarily by relative displacement between the two ends, while continuously forming a closed loop around the stomach. The ring constitutes a gastric implant for treating obesity.

Abstract: An injection device (1) for injecting medical substances and designed to be implanted in a subcutaneous zone of the body of a patient. The device includes a hollow rigid housing (2) having an opening which is closed hermetically by a membrane (3) so as to define a chamber (12). A duct (4) is connected to the housing to connect the chamber to the outside of the device. The device also has a casing (15) of elastomer material which covers the housing, and the membrane forms an integral portion of the casing. The implantable device is suitable for performing chemotherapy treatment.