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公开(公告)号：US20240313670A1
公开(公告)日：2024-09-19
申请号：US18508350
申请日：2023-11-14
Applicant: CAIRDAC
Inventor： Willy REGNIER , An NGUYEN-DINH
CPC classification number: H02N2/186 , A61N1/37205 , H02N2/006 , H02N2/0085 , H02N2/181 , H02N2/22
Abstract: The harvester comprises a pendular unit comprising a beam that is elastically deformable in bending, a mount clamping a proximal end of the beam, and an inertial mass mounted at a free, distal end of the beam. The beam converts into an oscillating electric signal a mechanical energy produced by oscillations of the pendular unit. The piezoelectric beam comprises a flexible structure including: a central core; a piezoelectric layer on at least one face of the central core; and at least one surface electrode on an external face of the piezoelectric layer. The central core of the flexible structure is a semiconductor material adapted to form an integrated circuit substrate, and the flexible structure includes at least part of components of an electric or electronic unit, said components being monolithically integrated within the semiconductor material substrate.
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公开(公告)号：US20240106356A1
公开(公告)日：2024-03-28
申请号：US18355132
申请日：2023-07-19
Applicant: CAIRDAC
Inventor： Willy REGNIER , An NGUYEN-DINH , Julien DOHIN
CPC classification number: H02N2/186 , A61N1/3785 , A61N1/37518
Abstract: The pendular unit comprises a piezoelectric transducer beam, and an inertial mass mounted at the free distal end of the beam and comprising two half-masses arranged on either side of the beam. A mechanical connection connects the two half-masses to each other on either side of the beam in such a way as to clamp the beam between the two half-masses to secure the inertial mass to the beam, the assembly being devoid of glue between the half-masses and the beam.
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公开(公告)号：US20240313671A1
公开(公告)日：2024-09-19
申请号：US18508399
申请日：2023-11-14
Applicant: CAIRDAC
Inventor： Willy REGNIER , An NGUYEN-DINH
CPC classification number: H02N2/186 , A61N1/37205 , H02N2/006 , H02N2/0085 , H02N2/181 , H02N2/22
Abstract: The harvester comprises a pendular unit comprising a beam that is elastically deformable in bending, a mount clamping a proximal end of the beam, and an inertial mass mounted at a free, distal end of the beam. The beam converts into an oscillating electric signal a mechanical energy produced by pendular unit oscillations. The beam comprises a flexible structure including a central core, a piezoelectric layer on at least one face of the central core, and at least one surface electrode on an external face of the piezoelectric layer. The central core of the flexible structure is made of a semiconductor material adapted to form an integrated circuit substrate. The substrate made of a semiconductor material of the central core includes monolithic integrated structures, and the arrangement, over the extend of the central core substrate, of said integrated structures forms in the longitudinal direction a plurality of successive areas having different bending stiffness coefficients from an area to another.
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公开(公告)号：US20230369994A1
公开(公告)日：2023-11-16
申请号：US18151579
申请日：2023-01-09
Applicant: CAIRDAC
Inventor： Willy REGNIER , An NGUYEN-DINH , Julien DOHIN
CPC classification number: H02N2/186 , A61N1/3785 , A61N1/3756
Abstract: The module comprises, in an envelope tube, a pendular unit comprising a piezoelectric transducer, PZT, beam, an inertial mass coupled to the free end of the beam, and a beam mount secured to the tube and fastened to a clamping part of the beam. The module further includes a symmetrization insert for calibrating and symmetrizing the pendular unit oscillations in transverse and lateral directions. The symmetrization insert is distinct from the beam mount and comprises a peripheral portion secured to the tube independently of the beam mount, and a central portion with an axial through-cavity inside which the beam extends in said region of free travel. The axial cavity extends between opposite travel limitation surfaces, which are symmetrical and capable of coming into contact with the beam in a bending configuration of the beam.
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公开(公告)号：US20200094048A1
公开(公告)日：2020-03-26
申请号：US16533782
申请日：2019-08-07
Applicant: CAIRDAC
Inventor： Willy Regnier , An NGUYEN-DINH
Abstract: The capsule includes a tubular body and a front-end unit including an anchoring member for the anchoring of the capsule to a wall of a patient's organ. The front-end unit is mobile in relative axial rotation with respect to the tubular body, and a disengageable coupling member is adapted to allow this relative rotation when the tubular body receives an external rotational stress, the anchoring member then exerting a reaction torque higher than a predetermined threshold torque, and to prevent the relative rotation in the absence of external rotational stress applied to the tubular body. The coupling member may in particular include, between the front-end unit and the tubular body, a friction interface, with an elastically deformable element applying an axial compression between a bearing face of the tubular body and a support ring integral with the anchoring member.
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Patent Agency Ranking
公开(公告)号：US20240120856A1
公开(公告)日：2024-04-11
申请号：US18315222
申请日：2023-05-10
Applicant: CAIRDAC
Inventor： Willy REGNIER , An NGUYEN-DINH
CPC classification number: H02N2/186 , H02N2/181 , H02N2/22 , A61N1/3785
Abstract: The pendular unit comprises a piezoelectric transducer beam (22), and an inertial mass mounted at the free distal end of the beam (22). The inertial mass (26) is a monolithic part including a cavity in the form of an axial slit (64), with two opposite longitudinal surfaces (74) extending along a central axis of the inertial mass (26). The axial slit (64) opens out on the proximal side of the inertial mass (26), and receives the free distal end of the beam (22), secured between the two opposite longitudinal surfaces (74) of the axial slit (64).
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公开(公告)号：US20210408945A1
公开(公告)日：2021-12-30
申请号：US17192754
申请日：2021-03-04
Applicant: CAIRDAC
Inventor： Alaa MAKDISSI , An NGUYEN-DINH
IPC: H02N2/18 , H01L41/113 , H01L41/047
Abstract: The module comprises a pendular unit with an elastically deformable piezoelectric beam having a clamped end and an opposite, free end, coupled to an inertial mass. The beam produces an oscillating electrical signal collected by electrodes, which is rectified and regulated to output a voltage for charging a battery. The number and configuration of the electrodes (T1, T2, B1, B2, N) carried by the piezoelectric beam define a plurality of pairs of electrodes between which a corresponding plurality of said oscillating signals can be simultaneously collected. A switching matrix, as a function of an input command, selectively switches the plurality of pairs of electrodes between each other according to a plurality of different series (S), parallel (P) and/or series-parallel (SP) configurations, the selected configuration being that which maximizes the power sent to the battery as a function of the voltage level (VBAT) present at the terminals of the latter.
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公开(公告)号：US20200164215A1
公开(公告)日：2020-05-28
申请号：US16655198
申请日：2019-10-16
Applicant: CAIRDAC
Inventor： An NGUYEN-DINH , Willy REGNIER
Abstract: A capsule includes a tubular body with, at its proximal end, a coupling member adapted to cooperate with a conjugated coupling member mounted at the distal end of a catheter of the implantation tool, for the transmission of a torque for the rotational driving of the capsule by the catheter. The coupling member of the tool includes a dihedral-shaped imprint, with two diverging arms in a V-arrangement, and the capsule coupling member includes a convex surface adapted to frictionally and slidingly urge against the diverging arms of the V-shape.
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公开(公告)号：US20230201579A1
公开(公告)日：2023-06-29
申请号：US17982740
申请日：2022-11-08
Applicant: CAIRDAC S.A.S.
Inventor： Willy REGNIER , An NGUYEN-DINH
IPC: A61N1/05
CPC classification number: A61N1/059
Abstract: The device has a device body with a front face at its distal end, and a means for the anchoring of the medical device to a patient's organ wall. The anchoring means includes a screw with a helix wire wound into a plurality of non-contiguous turns, the screw having a clamped end integral with the front face of the device body and a free end with a beveled end defined by at least one oblique surface. The helix wire includes, at its free distal end, a terminal region whose wire bending stiffness is lower than in a proximal region of the helix turns. The stiffness difference may, in particular, be obtained by varying the wire diameter over different successive portions, with decreasing diameters in a proximal to distal direction.
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公开(公告)号：US20230201578A1
公开(公告)日：2023-06-29
申请号：US17982674
申请日：2022-11-08
Applicant: CAIRDAC S.A.S.
Inventor： Willy REGNIER , An NGUYEN-DINH
CPC classification number: A61N1/059 , A61N1/3756
Abstract: The device, such as an autonomous cardiac implant of the leadless capsule type, has a device body with a means for its anchoring to a patient's organ wall. The anchoring means includes a screw with a helix wire wound into a plurality of non-contiguous turns, the screw having a clamped end integral with the front face of the device body and a free end with a beveled end defined by at least one oblique surface. The normal to the oblique surface of the beveled end is directed away from the front face, in such a way that the oblique surface is directed towards the patient's organ wall. The normal to the oblique surface forms an angle between 30° and 60° with respect to the helix axis, and the screw is elastically deformable in axial compression, with a stiffness coefficient of at most 5 N/mm.
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