• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A universal arm has a proximal end, a distal end and a middle portion therebetween. The middle portion has a plurality of interconnected ball and socket pieces. A plurality of clamps are selectively fixedly connected to the distal end of the universal arm by a connection that permits the selective rotation of each one of the plurality of clamps by 360 with respect to the distal end of the universal arm.
    公开号:ES2539551A2
    申请号:ES201490043
    申请日:2012-10-19
    公开日:2015-07-01
    发明作者:Victor Agbodoe；Olaf Storz
    申请人:Specialty Surgical Instrumentation Inc；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    The present invention relates to methods and devices for a universal arm system. BACKGROUND OF THE INVENTION
    Retractors are often used during surgery, such as those found in the BOOKWALTER® retractor kit, which is marketed by Codman & Shurtleff, Inc. of Raynham, MA, often used to assist the surgeon and other medical personnel. operating room to provide exposure to the surgical site for a wide variety of surgical procedures. In surgical operations of the chest or abdomen, for example, it is often necessary to use a retraction apparatus to retain tissue away from the site of operation. Typically, the retraction apparatus includes a housing member, configured to engage on a circumferential ring (10) located above the place of operation (see Figs. 1A and 1B). Normally a retraction sheet can be found to grab the tissue around the surgical incision. The housing member may also include a ratchet mechanism and / or a tilting mechanism to remove the retraction blade from the incision, thereby effecting traction and / or lifting of the tissue around the incision to expose the desired surgical area. Example of such retractor systems are disclosed in US Pat. No. 4,254,763, 4,424,724, 5,375,481 and 6,808,493, the descriptions of which are hereby incorporated by reference in their entirety. During open surgical operations, such as open bariatric surgery, ALIF procedures, liver resections, transplant procedures, abdominal aortic aneurysms, hernia repair, appendectomy and others, many different instruments are used. , such as, for example, a retractor blade with annular fixing systems. In some medical procedures, other instruments are also used in the surgical area, such as, for example, cameras, laparoscopic instruments, fiber optic cables. These instruments are typically used of


    so that its distal end is located at the surgical site. The instrument has a clamp at its proximal end. The instrument is connected to a post adjacent to the surgical area. However, in many cases, the location of the post is not in a convenient location for the surgeon at the place of operation.
    Therefore, there is a need for a system that can firmly hold several different instruments in a convenient location for the surgeon at the place of operation. The system should be adjustable and strong enough to support the load of the instrument. The system includes an adjustable arm that bends with a curve
    or a double curve. BRIEF DESCRIPTION OF THE DRAWINGS
    The invention will be more fully understood from the following detailed description considered in conjunction with the accompanying drawings, in which:
    the figs. 1A and 1B are plan views of a universal arm that is used to hold a retractor ring;
    fig. 2 is a top view of the universal arm according to the present invention;
    fig. 3 is a side view of the universal arm according to the present invention;
    fig. 3 is an exploded view of the ring holder and the sets of ring pairs;
    fig. 4A is a cross-sectional view, with separate parts, of a portion of the universal arm in accordance with the present invention;
    fig. 4B is a cross-sectional view, with separate parts, of a portion of the universal arm in accordance with the present invention;
    fig. 5 is a cross-sectional view taken along line 5-5 of the figure


    4A and looking in the direction of the arrows;
    fig. 6 is a cross-sectional view taken along line 6-6 of Figure 4A and looking in the direction of the arrows; fig. 7 is a cross-sectional view taken along line 7-7 of Figure 5
    and who looks in the direction of the arrows;
    fig. 8 is a cross-sectional view taken along line 8-8 of Figure 4A and looking in the direction of the arrows; fig. 9 is a cross-sectional view taken along line 9-9 of the figure
    4A and looking in the direction of the arrows;
    fig. 10 is a cross-sectional view taken along line 10-10 of Figure 9 and looking in the direction of the arrows; fig. 11A is a partial cross-sectional view, with sectioned parts, which
    shows the retractor ring holder;fig. 11B is a side view of the retractor ring holder;fig. 12A is a plan view of a clamp according to the present invention;fig. 12B is a perspective view of the clip shown in fig. 12A holding a
    camera;fig. 13A is a plan view of a clamp according to the present invention;fig. 13B is a perspective view of the clamp shown in fig. 13A holding
    a laparoscopic tool; fig. 14A is a plan view of a spring-loaded clamp in accordance with the present invention; Y


    fig. 14B is a perspective view of the clamp shown in Figure 14A holding an irrigation tube. DETAILED DESCRIPTION OF THE INVENTION
    Certain exemplary embodiments will be described below to provide a general understanding of the principles of the structure, function, manufacture and use of the devices and procedures disclosed in this application. One or more examples of these embodiments are illustrated in the accompanying drawings. Those skilled in the art will understand that the devices and procedures specifically described in this application and illustrated in the accompanying drawings are exemplary non-limiting embodiments and that the scope of the present invention is defined solely by the claims. The features illustrated or described in connection with an exemplary embodiment may be combined with the features of other embodiments. Such modifications and variations are intended to be included within the scope of the present invention.
    The present invention provides methods and devices for a universal arm to hold several different instruments in a convenient location for the surgeon at the place of operation. Referring now to Figures 1A and 1B, a universal arm (10) is illustrated. The universal arm (10) has a proximal end (12) and a distal end (14), as shown in Figures 2 and 3. The distal end (14) has a grooved saw connection with an annular coupling ( 16), which can also be called a star connection. Various tools can be connected to the star connection (16). As shown in Figures 1A-3, a retractor ring support (18) is connected to the universal arm (10) by star connection. The ring holder (18) has an adjustable clamp (20) to selectively connect and rigidly hold a retractor ring (22). A rotating handle (24) is provided at the distal end (14) of the universal arm (10). The handle (24) is rotated in one direction to loosen the connection between the universal arm (10) and the ring support (18) so that the desired position of the ring support can be achieved. Once the desired position is obtained, the user can rotate the handle (24) in the opposite direction to engage with the ring-shaped saw connection (16) and thus fix the location of the ring support (18) or any of


    the other tools, which are shown in figures 11-14B.
    Referring now to Figures 2-7, the middle portion (26) of the universal arm (10) includes a plurality of ball-and-socket pieces (28). As can be seen in Figures 4A and 4B, each spherical ball piece (28) has a ball end (30) and a bushing, or receiver end of the ball, (32). A cable (34) passes through each spherical joint piece (28). The cable (34) is movable by a handle mechanism
    (36)  between a locked position, as shown in Figure 4A, and an unlocked or adjustable position, as shown in Figure 4B. The handle mechanism (36) includes a handle (38) that is received in a through hole
    (44)  of an axis (40). The shaft (40) includes an externally threaded portion (42). A movable transverse bearing (46) has an internally threaded surface that engages with the externally threaded portion (42). The bearing (46) is pivotally connected to a mobile longitudinal bearing (48) by means of an articulation bar (50). Similarly, the bearing (46) is pivotally connected to a fixed longitudinal bearing (52) by an articulation bar (54). Both the movable longitudinal bearing (48) and the fixed longitudinal bearing (52) are pivotally connected to a fixed transverse bearing (56) by an articulation bar (58), (60) respectively. Rotation of the handle (38) in the direction indicated by arrow A in Figure 4B will cause the shaft (40) to move in the direction indicated by arrow B and will cause the movable transverse bearing (46) to move in the direction indicated by arrow C, which causes the mobile longitudinal bearing (48) to move in the direction indicated by arrow D and the fixed longitudinal bearing (52) to move in the direction indicated by the arrow
    AND.  The mobile longitudinal bearing (48) is fixedly connected to a grooved rod (62) by means of an internally threaded connection (64). Because the slotted rod (62) is fixedly connected to the mobile longitudinal bearing (48), the slotted rod (62) will move in the direction indicated by arrow D when the mobile longitudinal bearing (48) moves in the indicated direction by arrow D. The slotted rod (62) has a slot (66) for receiving the rod (40). The opposite end of the slotted rod (62) is fixedly connected to the cable (34). Thus, when the grooved bar (62) moves in the direction indicated by arrow D, the cable (34) will also move in the direction indicated by arrow D, thus causing the plurality of ball-and-socket pieces (28) loosen in each piece of ball joint (28) as indicated by the space
    (68)  between each piece of ball joint (28) of Figure 4B. The user can then


    adjust the position of the universal arm to any desired position, including a single curve, as shown in fig. 1A, or a double curve, or an s-curve, as shown in fig. 1 B. When the universal arm is in the desired position, the user can rotate the handle so that the shaft rotates in the opposite direction of the arrow A to quickly move the universal arm from the unlocked or adjustable position, to the locked position. Due to the joint shown in Figures 4A-7, a relatively strong and rigid universal arm can be achieved to hold various tools and instruments at the distal end (14) of the universal arm (10).
    Referring now to Figure 8, the distal end (14) of the universal arm (10) is shown. The cable (34) is fixedly connected to the distal end (14) by means of a fixing screw (70).
    Referring now to Figure 9, the distal end (14) of the universal arm (10) is shown. The distal end (14) includes a shaft (80) having a threaded rod portion (72) such that several clamps or other instruments can be fixedly connected selectively to the universal arm (10). This illustration shows a retractor ring support (18) connected to the distal end (14) of the universal arm. The retractor ring holder (18) has a blind threaded hole (74), which is coupled with the threaded rod (72) to selectively connect the retractor ring holder (18) to the universal arm (10). Once connected, the user can rotate the handle (24), to engage the cam surfaces (76), (78) to make the shaft (80) move in the direction indicated by the arrow F to move the annular striated ring (82) of the ring support (18) of the annular striated ring (84) of the distal end (14) of the universal arm (10), thus allowing the star connection (16) to be in the adjustable position. The user can then rotate the retractor ring holder
    (18) 360º with respect to the distal end (14) of the universal arm (10) to any position that is in a convenient location for the surgeon at the place of operation. Once the retractor ring support (18) is in the desired position, the user can then rotate the handle (24) in the opposite direction to make the surfaces of the coupling cam (76), (78) cause the shaft (80) moves in the opposite direction indicated by the arrow F to move the annular striated ring (82) of the ring support (18) towards the annular striated ring (84) of the distal end (14) of the universal arm


    (10), thus causing the star connection (16) to be in the locked position.
    Referring now to Figures 1A, 1B, 11A and 11B, the retractor ring support (18) is shown in more detail. A handle (86) is rotatably connected to the retractor ring support (18) by means of a threaded shaft (88). The handle (86) has an internally threaded portion (90) that engages with the threaded shaft (88). Therefore, when the handle (86) is rotated the caliper arm
    (92)  moves toward or away from the caliper arm (94), depending on which direction the handle (86) is rotated. As shown in Figures 1A and 1B, the retractor ring support (18) can selectively immobilize the ring (22) in its place in a convenient location for the surgeon at the site of the operation.
    Referring now to Figures 12A-12B, additional clamps (96), (98), (100) are illustrated, each of which can be selectively connected to the distal end (14) of the universal arm (10). Each clamp has a blind threaded bore, similar to the blind threaded bore (74) of the retractor ring holder (18) that engages with the threaded rod (72) to selectively connect the clamp (96), (98), (100) to the universal arm (10). Each clamp also has an annular striated ring (82 ’), (82”), (82 ”’) similar to the ring
    (82)  of the ring support (18) for coupling with the annular grooved ring (84) to form a star connection (16 ’), (16”), (16 ”’). Figures 12A and 12B show a relatively large clamp (98) that can be used for example to hold a camera
    (120) in a convenient location for the surgeon at the site of the operation. Figures 13A and 13B show a relatively small clamp (96) that can be used for example to hold a laparoscopic instrument (122) in a convenient location for the surgeon at the place of operation. Figures 14A and 14B show a spring-loaded clamp (100), which can be used for example to hold a fiber optic cable (124) or an irrigation tube in a location convenient for the surgeon at the place of operation. The spring-loaded clamp (100) includes a handle (102). The rotation of the handle (102) causes the bar (104) to move in the direction indicated by the arrow G. A ratchet lever mechanism (110) is deflected by spring to come into contact with a plurality of ratchets (112 ) on the upper surface of the bar (104). The ratchet mechanism allows the bar
    (104) move in the direction indicated by arrow G, but not in the opposite direction. Thus the jaw (100) approaches the fixed jaw (108) to the desired position to hold,


    for example, a fiber optic cable in a convenient location for the surgeon at the place of operation. To release the fiber optic cable or other tool, the user presses on the ratchet lever (110) at the end (114) in the direction indicated by arrow H to overcome the spring pressure created by the spring (118) to
    5 unhook the opposite end (116) of the ratchets (112).
    Someone skilled in the art will appreciate the additional features and advantages of the invention based on the embodiments described above. Therefore, the invention should not be limited by what has been shown and described in particular,
    10 except as indicated by the appended claims. All publications and background cited in this application are expressly incorporated into this application by reference in its entirety.

    权利要求:
    Claims (8)
    [1]
    1. A universal arm assembly comprising:
    a universal arm having a proximal end, a distal end and a middle portion therebetween, the middle portion having a plurality of interconnected spherical joint pieces;
    a plurality of clamps that are fixedly connected to the distal end of the universal arm selectively by means of a connection that allows the selective rotation of each of the plurality of clamps 360 ° with respect to the distal end of the universal arm.
    [2]
    2.  The universal arm assembly according to claim 1, further comprising a cable that extends through each of the plurality of interconnected spherical joint pieces.
    [3]
    3.  The universal arm assembly according to claim 2, wherein the cable is movable between a locked position and an adjustable position.
    [4]
    Four.  The universal arm assembly according to claim 3, further comprising a rotating handle connected to the cable.
    [5]
    5.  The universal arm assembly according to claim 3, wherein in the adjustable position the plurality of spherical joint pieces has a space between each spherical ball joint.
    [6]
    6.  The universal arm assembly according to claim 5, wherein in the locked position the plurality of spherical ball joints has no space between each spherical joint piece.
    [7]
    7.  The universal arm assembly according to claim 1, wherein the plurality of clamps includes a retractor ring holder and a clamp.

    [8]
    8. The universal arm assembly according to claim 7, wherein the clamp is a spring-loaded clamp.







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    法律状态:
    2016-11-16| FG2A| Definitive protection|Ref document number: 2539551 Country of ref document: ES Kind code of ref document: B1 Effective date: 20161116 |
    2017-06-09| FA2A| Application withdrawn|Effective date: 20170605 |
    优先权:
    申请号 | 申请日 | 专利标题
    US201161550198P| true| 2011-10-21|2011-10-21|
    US61/550,198|2011-10-21|
    US13/314,973|US9237933B2|2011-10-21|2011-12-08|Universal arm system|
    US13/314,973|2011-12-08|
    PCT/US2012/061089|WO2013059640A1|2011-10-21|2012-10-19|Universal arm system|
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