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    Surgical device
    2.
    发明授权
    Surgical device 有权

    公开(公告)号：US11717332B2

    公开(公告)日：2023-08-08

    申请号：US17602220

    申请日：2020-04-08

    Applicant: MEDACTA INTERNATIONAL SA

    Inventor： Francesco Siccardi ,  Meinrad Fiechter ,  Marco Riva ,  Marco Rampon

    IPC: A61B17/70 ,  A61B17/88 ,  A61B90/00

    CPC classification number: A61B17/7085 ,  A61B90/03 ,  A61B2090/037

    Abstract: A surgical device includes a polyaxial surgical screw that includes an internally hollow tulip. The tulip includes two elongated rods which are parallel and mutually spaced apart, each elongated rod protruding from a side wall of the tulip and extending away from a first end of the tulip in a direction opposite to a second end of the tulip. The rods define a channel in communication with the first end for accessing the interior of the tulip. A locking unit can be reversibly mounted on the polyaxial surgical screw. The locking unit includes a tubular body which has an inner cavity and is adapted to be fitted about the elongated rods during a configuration of use of the surgical device. The tubular body has two mutually opposite protrusions which project into the inner cavity that are configured to face the channel and be mutually interposed.

    Disposable guide device for spinal surgery
    3.
    发明授权
    Disposable guide device for spinal surgery 有权

    公开(公告)号：US11058443B2

    公开(公告)日：2021-07-13

    申请号：US16333055

    申请日：2017-09-20

    Applicant: MEDACTA INTERNATIONAL SA

    Inventor： Francesco Siccardi ,  Meinrad Fiechter ,  Alberto Lipari

    IPC: A61B17/17 ,  A61B17/90 ,  A61B17/84 ,  A61B17/88 ,  A61B17/70 ,  A61B34/10 ,  A61B17/00 ,  A61B17/56

    Abstract: A disposable guide device for spinal surgery comprises two tubular guide bodies extending along respective main axes between a proximal end and a distal end to guide a surgical operation on a vertebra of a patient, a plurality of support feet projecting laterally relative to each guide body, near said proximal end, each defining a contact area configured to abut on a side of the spinous process or on a lamina or facet or transverse process of the vertebra of the patient, in a mating configuration, at least one junction element extending between the guide bodies, starting from the respective distal ends, in order to space them from each other, wherein the guide bodies are oriented so that the proximal ends are more distant from each other with respect to the distal ends.

    Bone fixation device
    4.
    发明授权
    Bone fixation device 有权

    公开(公告)号：US10729482B2

    公开(公告)日：2020-08-04

    申请号：US15557877

    申请日：2016-03-09

    Applicant: MEDACTA INTERNATIONAL SA

    Inventor： Alfonso Fantigrossi ,  Meinrad Fiechter ,  Andrea Tettamanzi ,  Francesco Siccardi ,  Clément Max Leonard Werner

    IPC: A61B17/86 ,  A61B17/88 ,  A61B17/68

    Abstract: A bone fixation device (1) comprises an elongated member (2) and a washer (3) assembled in a manner to prevent relative longitudinal displacement at the same time allowing axial rotation of the washer (3) with respect of the elongated member (2). The elongated member (2) comprises a proximal head (4) and an elongated shaft (5). The proximal head (4) comprises at least a distal spherical portion (8) having a diameter (D) and defining a maximum transversal dimension (Dh) of the proximal head (4). The washer (3) has a central cavity (14) configured to seat the proximal head (4) and comprising a central spherical portion (15) having the same diameter (D) of the distal spherical portion (8) of the proximal head (4). The central spherical portion (15) extends between a distal rim (16) and a proximal rim (17). The distal rim (16) has a distal transversal dimension (Dd) larger than a maximum transversal dimension (d) of the elongated shaft (5) and smaller than the maximum transversal dimension (Dh) of the proximal head (4). The proximal rim (17) has a proximal transversal dimension (Dw) larger than the maximum transversal dimension (d) of the elongated shaft (5) and slightly smaller than the maximum transversal dimension (Dw) of the proximal head (4). The proximal transversal dimension (Dw) of the proximal rim (17) is larger than the distal transversal dimension (Dd) of the distal rim (16). The proximal rim (17) is configured to be elastically deformable by pressing the proximal head (4) through the proximal rim (17).

    Surgical instrument
    5.
    外观设计
    Surgical instrument 有权

    公开(公告)号：USD1047144S1

    公开(公告)日：2024-10-15

    申请号：US29837336

    申请日：2022-05-04

    Applicant: MEDACTA INTERNATIONAL SA

    Designer： Meinrad Fiechter ,  Francesco Siccardi ,  Yuri Insinna

    Abstract: FIG. 1 is a perspective, bottom, right side view of a surgical instrument showing our new design according to a first embodiment.
    FIG. 2 is a top view of our new design shown in FIG. 1.
    FIG. 3 is a bottom view of our new design shown in FIG. 1.
    FIG. 4 is a front view of our new design shown in FIG. 1.
    FIG. 5 is a rear view of our new design shown in FIG. 1.
    FIG. 6 is a right-side view of our new design shown in FIG. 1.
    FIG. 7 is a left-side view of our new design shown in FIG. 1.
    FIG. 8 is a perspective, bottom, right side view of a surgical instrument showing our new design according to a second embodiment.
    FIG. 9 is a top view of our new design shown in FIG. 8.
    FIG. 10 is a bottom view of our new design shown in FIG. 8.
    FIG. 11 is a front view of our new design shown in FIG. 8.
    FIG. 12 is a rear view of our new design shown in FIG. 8.
    FIG. 13 is a right-side view of our new design shown in FIG. 8; and,
    FIG. 14 is a left-side view of our new design shown in FIG. 8.
    The broken lines consisting of short broken lines show the remaining portions of the surgical instrument that form no part of the claimed design.
    In any of the embodiments shown in FIGS. 1-14 or the Appendix, the surgical instrument may be, but is not limited to, a surgical guide.

    Patient-specific navigation guide
    8.
    发明授权
    Patient-specific navigation guide 有权

    公开(公告)号：US11517332B2

    公开(公告)日：2022-12-06

    申请号：US17281900

    申请日：2019-09-26

    Applicant: MEDACTA INTERNATIONAL SA

    Inventor： Meinrad Fiechter ,  Yuri Insinna ,  Francesco Siccardi

    IPC: A61B17/17 ,  A61B17/70 ,  A61B17/00 ,  A61B17/56

    Abstract: A patient-specific navigation guide for use in spinal surgery including a first and a second guide member, both integral with a supporting frame and extending along a respective longitudinal development axis from a proximal opening to a distal opening for guiding surgical instruments on a first vertebra of a patient. The guide also includes contact members designed to match with a corresponding plurality of contact areas on a first and on a second vertebra of the patient to define a single coupling configuration of the patient-specific navigation guide on the patient's vertebrae. The first and second guide members are substantially opposite with respect to a median plane orthogonal to a straight line joining the longitudinal axes of the first and second guide members. The navigation guide also comprises a single additional third guide member that is integral with the frame and is adapted to abut on a second vertebra.

    DISPOSABLE GUIDE DEVICE FOR SPINAL SURGERY
    9.
    发明申请
    DISPOSABLE GUIDE DEVICE FOR SPINAL SURGERY 有权

    公开(公告)号：US20210393273A1

    公开(公告)日：2021-12-23

    申请号：US17357612

    申请日：2021-06-24

    Applicant: MEDACTA INTERNATIONAL SA

    Inventor： Francesco SICCARDI ,  Meinrad Fiechter ,  Alberto Lipari

    IPC: A61B17/17 ,  A61B17/84 ,  A61B17/88 ,  A61B17/70

    Abstract: A disposable guide device for spinal surgery comprises two tubular guide bodies extending along respective main axes between a proximal end and a distal end to guide a surgical operation on a vertebra of a patient, a plurality of support feet projecting laterally relative to each guide body, near said proximal end, each defining a contact area configured to abut on a side of the spinous process or on a lamina or facet or transverse process of the vertebra of the patient, in a mating configuration, at least one junction element extending between the guide bodies, starting from the respective distal ends, in order to space them from each other, wherein the guide bodies are oriented so that the proximal ends are more distant from each other with respect to the distal ends.

    Patient-specific navigational guide
    10.
    发明授权
    Patient-specific navigational guide 有权

    公开(公告)号：US10806469B2

    公开(公告)日：2020-10-20

    申请号：US15526533

    申请日：2015-10-30

    Applicant: MEDACTA INTERNATIONAL SA

    Inventor： Meinrad Fiechter ,  Alberto Lipari ,  Francesco Siccardi

    IPC: A61B17/17 ,  A61B17/56 ,  A61B17/88 ,  A61B17/84

    Abstract: A patient-specific navigational guide (1, 1′) for use in spinal surgery, comprises two tubular guiding member (2) extending from a proximal opening (2a) and a distal opening (2b) for guiding a surgical operation on a patient's vertebra (100, 100′). The two tubular guiding members are integral with a bearing frame (3) comprising at least five contact members (11, 15, 16) designed to match with a corresponding plurality of contact areas on the patient's vertebra (100, 100′) in order to define a unique coupling configuration of the patient-specific navigational guide (1, 1′) on the patient's vertebra (100, 100′). The contact members (11, 15, 16) comprise a main contact member (11), designed to couple with a main contact area corresponding to the spinous process (101) of the patient's vertebra (100, 100′) in said coupling configuration, and at least one pair of first and second auxiliary contact members (15, 16), designed to abut on auxiliary contact areas, respectively corresponding to the laminae (102) of the patient's vertebra (100) and to the facet (103) or to the transverse processes (104), in said coupling configuration. The bearing frame (3) comprises a V-shaped bridge (5), connecting the two tubular guiding members (2) and a non-rectilinear bridge (8) further connecting the two tubular guiding members (2) at proximal portions of the tubular guiding members (2), near the proximal openings (2a), and comprises at least one summit portion (8a) defining the more proximal portion of the navigational guide (1).

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