EP1940337B1 - Vorrichtung zur abgewinkelten positionierung eines glieds eines patienten auf einem operationstisch - Google Patents

Vorrichtung zur abgewinkelten positionierung eines glieds eines patienten auf einem operationstisch Download PDF

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Publication number
EP1940337B1
EP1940337B1 EP06808187A EP06808187A EP1940337B1 EP 1940337 B1 EP1940337 B1 EP 1940337B1 EP 06808187 A EP06808187 A EP 06808187A EP 06808187 A EP06808187 A EP 06808187A EP 1940337 B1 EP1940337 B1 EP 1940337B1
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mentioned
arm
shaft
axis
hub
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EP06808187A
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English (en)
French (fr)
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EP1940337A1 (de
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Alain Lacroix
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/0036—Orthopaedic operating tables
    • A61G13/0045—Orthopaedic operating tables specially adapted for hand or wrist surgeries
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/0036—Orthopaedic operating tables
    • A61G13/0063—Orthopaedic operating tables specially adapted for knee surgeries
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
    • A61G13/1235—Arms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
    • A61G13/1245—Knees, upper or lower legs

Definitions

  • the present invention relates to a device for the angular positioning of a limb of a patient resting on an operating table or on a treatment table.
  • a support device In general, it is known that in order to carry out such positioning, a support device has already been proposed, involving a jack whose rod supports an axis which extends transversely to the jack rod and carries a cradle intended to support the patient's leg.
  • This arrangement of the various members shows a significant lateral torque formed by the weight of the supported leg and the length of the axis carrying the cradle.
  • This torque being integrally applied to the cylinder head and its rod, quickly leads to deterioration and malfunction thereof.
  • this type of bar hinders the surgeon in performing his act and makes it difficult to use concomitant possible devices that may be useful.
  • the invention is more particularly intended to overcome these disadvantages with an apparatus that can be mounted on most operating tables currently used and which adapts to the morphology of patients, taking into account in particular the position of the hip joint; this apparatus also makes it possible to obtain better precision in the conduct of surgical procedures.
  • the aforesaid motorization for operating in rotation the aforesaid armrest may be disposed substantially perpendicular to the plane defined by the operating table, so as to allow the surgeon easier access to the patient.
  • the aforesaid rotation shaft located near the upper part of said yoke, allowing the arm-holder to pivot, may include a bore, in order to accommodate a laser beam generator, of small size and low power or any another light beam generator, to allow the surgeon precise visual positioning of the axis of the aforesaid rotation shaft relative to the hip-femoral joint in the case of a knee operation.
  • the aforesaid means for securing said cradle positioning means indifferently on one or the other of the two lateral guide rails of the operating table may consist of a substantially vertical shaft integral with the sole of the cradle.
  • apparatus according to the invention slidable in translation and rotatable in rotation relative to a hub integral with one of the two side rails, so as to allow the surgeon to better position the patient's limb to be treated.
  • the aforesaid arm comprising the aforesaid slide guided by the aforesaid slide integral with the arm holder, can be actuated in translation by means of a screw / nut assembly, so as to allow the surgeon to accurately position the arm relative to the holder arm.
  • the cross section of the aforesaid slider of the aforesaid arm may be of similar shape to an omega and in correspondence of shape with the cross section of the aforesaid slide integral with the arm-carrier, in order to allow an angular deflection of both sides. other of a median position of the arm relative to the arm-carrier along the axis of symmetry of the section cross section in the shape of omega, so as to allow the surgeon to better position the member to treat the patient.
  • the aforesaid arm may not include a hub that can slide through said arm along its main axis; thus the shaft supporting the cradle, will be rotatably mounted and translatable to the end of the arm; several arms of different length can be envisaged, so as to avoid the surgeon to be hindered by the end of the adjustable arm in case it is necessary to position the shaft supporting the cradle near the armrest.
  • an aseptic cover covering the entire device according to the invention may be provided during the surgical operation; this cover may be disposable after each operation or may be reusable after sterilization.
  • the cradle Be can be positioned above the operating table TO, in a precise manner relative to the patient's leg taking into account its morphology; it can tilt in a plane perpendicular to the plane defined by the operating table TO passing through the leg of the patient and along an axis ⁇ 1 brought to the vicinity of the hip joint.
  • the securing means MS 1 , MS 2 , MS 3 , of the sole plate Se on one or the other of the two guide rails RG 1 , RG 2 , of the operating table TO consist of at least two shafts AS 1 , AS 2 , AS 3 , integral with the sole Se on the face opposite to that supporting the positioning means of the cradle Be, oriented perpendicular to the sole Se, which shafts AS 1 , AS 2 , AS 3 , can each slide in a clamping nut NS 1 , NS 2 , NS 3 , whose main axis is horizontal and perpendicular to the longitudinal axis ⁇ of the operating table TO; each of said nuts NS 1 , NS 2 , NS 3 , is integral with a pair of jaws Mo 1 , Mo 2 , Mo 3 , whose clamping end is in correspondence with the cross section of the guide rails RG 1 , RG 2 , of the operating table TO, the pair of jaws Mo 1 , Mo 2 ,
  • the sole plate SE can be displaced and positioned vertically, in a precise manner, being guided on the one hand by the shafts AS 1 , AS 2 , AS 3 , and taking support, in the vicinity of its slice facing the table. TO operation, on the vertical face of the fixed jaws.
  • the operating or treatment tables consist of a plurality of table segments, integral with each other and which can be oriented relative to each other depending on the nature of the operation to be performed. practice on the patient; accordingly, the guide rails associated with said table elements are also segmented and thus have interruptions, called rail breaks, sometimes requiring clamping on two of the three securing means according to said rail break.
  • the actuator type actuator Ve actuates the arm support Po in rotation by means of a first articulation Ar 1 in conjunction with a foot integral Pi of the sole Se and a second joint Ar 2 secured to the armrest Po, which second joint Ar 2 is disposed between the shaft A 1 and the lower part of the armrest Po, to raise or lowering, more or less, the slider Co and therefore the arm Br having the hub Mo, the Ar shaft and the cradle Be.
  • the cradle Be is raised in such a way that the patient's leg is located in a vertical plane, thus making it possible to position, satisfactorily, the femoro-tibial joint.
  • the cradle Be that can be positioned on one side of the operating table TO, or on the other side, thus allows the surgical operations to be carried out at the level of the left knee or the right knee.
  • a protective cover Ca may be used so as to avoid any contact of the motorized mechanism with the operating table TO and / or any of its accessories.
  • the space around the cradle Be is completely released and allows to arrange the devices for the surgical operation according to the constraints defined by said operation.
  • the motorization Ve may be of the type with electric actuator, pneumatic or hydraulic; control of it may be performed near the TO operating table or remotely remote controlled; the angular positioning of the armrest Po, and therefore of the cradle Be, may be effected by means of mechanical stops, position sensors, or any other angular positioning mechanism or position control, depending morphological parameters of the patient.
  • the Ar tree associated with the cradle Be comprises a flattened Me of length close to half the length of the Ar shaft and a plurality of circular grooves G 1 , G 2 , G 3 , equidistant separated by circular orifices O 1 , O 2 , O 3 , O 4 , passing through the Ar shaft and whose axes are perpendicular to the ⁇ axis 3 of the Ar shaft.
  • the depth of the plurality of grooves G 1 , G 2 , G 3 , equidistant is less than the depth of the flat Me.
  • a first cylindrical pin passes through the orifice of the hub Mo receiving the Ar shaft, a generatrix tangent the flat Me of the Ar shaft. Therefore, the Ar shaft can be moved manually along its main axis ⁇ 3 when the flat Me is parallel to said first cylindrical pin, and can manually rotate about its main axis ⁇ 3 when a groove of said plurality of grooves G 1 , G 2 , G 3 , is opposite said first cylindrical pin.
  • the distance between the cradle Be and the hub Mo is adjustable by quantum equivalent to the distance between successive grooves G 1 , G 2 , G 3 .
  • a immobilization of the Ar shaft in rotation and in translation is effected by means of a second pin Go, diametrically crossing the hub Mo and being housed in the circular orifices O 1 , O 2 , O 3 , O 4 , passing through the Ar and whose axes are perpendicular to the axis ⁇ 3 of the Ar shaft.
  • This second pin GB is shown in FIG. figure 5 .
  • the hub Mo in a longitudinal section containing its main axis ⁇ 2 , is an H-shaped structure;
  • the arm Br has a constant width and slightly less than the length of the horizontal upright separating the two vertical uprights of the H-shaped structure, and has a light located in a plane perpendicular to the axis ⁇ 3 of the hub Mo, thus allowing at the hub Mo to slide along the axis principal ⁇ 2 of the Br arm, the width of the light being slightly greater than the thickness of the horizontal upright of the H-shaped structure. Consequently, the hub Mo is guided in translation and immobilized in rotation in the light of the arm Br.
  • the aforesaid second pin Go diametrically crosses the hub Mo in one of the two vertical uprights of the H-shaped structure, to penetrate the circular orifices O 1 , O 2 , O 3 , O 4 , passing through the Ar shaft and so to secure it in relation to the hub Mo.
  • An AC shaft having a plurality of grooves, whose main axis is collinear with the main axis ⁇ 2 of the Br arm, is integral with the hub Mo, in the vicinity of one of its ends.
  • a clutch CR partially shown, whose axis of rotation ⁇ 4 is perpendicular to the axis ⁇ 2 of the splined shaft AC, allows to lock in translation the splined shaft AC and therefore the hub Mo, by means of a rotation of said clutch CR allowing a tooth to fit formally in one of the plurality of flutes.
  • the displacement of the hub Mo and consequently that of the cradle Be is adjustable by quantum equivalent to the distance between two successive grooves.
  • the clutch CR allows, by means of a second orientation of said Clutch CR, to separate the splined shaft AC associated with the hub Mo, thus allowing free movement of the assembly consisting of the hub Mo, the Ar shaft and the cradle Be, along the main axis ⁇ 2 of the Br arm.
  • the arm Br comprises, in the vicinity of its end opposite to that where the hub Mo described above, the slider Co along an axis ⁇ 5 orthogonal to the axes respectively ⁇ 3 and ⁇ 2 of the hub Mo and the shaft fluted AC, and whose cross section is H-shaped.
  • a slide In the vicinity of the outer face of the arm support Po, facing the arm Br, a slide, whose cross section is T-shaped, in correspondence with the slider Co of the arm Br, serves to guide the arm Br according to a direction orthogonal to the axes respectively ⁇ 3 and ⁇ 2 of the hub Mo and the splined shaft AC.
  • a pull tab Ti actuating a finger Do whose axis ⁇ 6 is parallel to the axis ⁇ 2 of the splined shaft AC, allows, by engaging the finger Do in an orifice Ox of the plurality of orifices made in the holder. arm Po, to position the arm Br with respect to the armrest Po.
  • the sectional representation of the slider Co and the positioning mechanism of the arm Br with respect to said slider Co reveals the H-section of the slider Co associated with the arm Br and the T-section of the slider located in the arm-holder Po.
  • the finger Do crosses the slider Co of the arm Br and the slide of the arm support Po, to end in the vicinity of one of its ends in an orifice Ox of the plurality of orifices made in the door -bras Po. In the vicinity of its other end, the finger Do is integral with the pull rod Ti positioned in a plane perpendicular to the slider Co of the arm Br.
  • a spring Re mounted in compression, bearing on the one hand on a flange located near the middle of the finger Do and on the other hand on a flange F1 closing the outer face of the slider Co of the arm Br, allows the assembly consisting of the finger Do and the pull tab Ti, to maintain the finger Do at the bottom of the selected orifice Ox.
  • the cradle Be can be positioned above the operating table, in a precise manner relative to the patient's leg. taking into account its morphology; it can tilt in a plane perpendicular to the plane defined by the operating table passing through the leg of the patient and along an axis ⁇ 1 brought to the vicinity of the hip joint. Furthermore, the space released by the cylinder Ve can generate a more comfortable space for the patient.
  • the securing means MS 1 , MS 2 , of the sole plate Se on the guide rail RG 1 consist of two shafts AS 1 , AS 2 , integral with the sole plate Se on the face opposite to that supporting the positioning means of the cradle Be, oriented perpendicular to the sole Se, which shafts AS 1 , AS 2 , can each slide in a clamping nut NS 1 , NS 2 , whose main axis is horizontal and perpendicular to the longitudinal axis of the guide rail RG 1 ; each of said nuts NS 1 , NS 2 , is secured to a clameau, respectively CL 1 , CL 2 , whose clamping is effected in correspondence of shape with the cross section of the guide rail RG 1 , the clams CL 1 , CL 2 being secured by a clamping handle, respectively PCL 1 , PCL 2 .
  • the sole Se can be moved and positioned vertically, in a precise manner, being guided by the shafts AS 1 , AS 2 .
  • the motorization Ve actuates in rotation the armrest Po by means of a first articulation Ar 1 in conjunction with a foot Pi secured to the soleplate Se via two columns Ci, and of a second articulation Ar 2 secured to the armrest Po, which second articulation Ar 2 is disposed between the shaft A 1 and the upper part of the armrest Po, allowing to raise or lower, more or less, the slider Co and therefore the arm Br having the hub Mo, the Ar shaft and the cradle Be.
  • the motorization Ve may be of the electric, pneumatic or hydraulic actuator type; in addition, a protective casing It can be used so as to avoid any contact of the motorized mechanism with the operating table.
  • the aforesaid rotation shaft A 1 located near the upper part of said clevis Ch, allowing the armrest Po to rotate, may include a bore, in order to accommodate a laser beam generator La 1 , LA 2 , small size and low power, to allow the surgeon precise visual positioning of the axis of said shaft rotation relative to the articulation of the patient's limb.
  • Said articulation of the patient's limb may be previously marked, or estimated, or palpated; in the case of a knee operation, it will be necessary to determine the position of the hip-femoral joint.
  • the beams of the laser generators can be ordered separately or simultaneously; protection against the risk of dazzling by the laser beam will be provided for this purpose.
  • the aforementioned securing means MS 1 , MS 2 , of the sole plate Se on the guide rail RG 1 consist of an AS 0 shaft, integral with the sole plate on the opposite side to that supporting the positioning means of the cradle Be, oriented perpendicularly to the soleplate Se, which shaft AS 0 , can slide in a clamping nut NS 0 , whose main axis is horizontal and perpendicular to the axis longitudinal guide rail RG 1 ; the tightening of the aforesaid AS shaft shaft 0 in the NS 0 nut is made via a clamping handle P 0 ; said nut NS 0 , is secured to two clams, CL 1 , CL 2 , the clamping is effected in correspondence of shape with the cross section of the guide rail RG 1 , the clams CL 1 , CL 2 being secured by means of a clamping handle, respectively PCL 1 , PCL 2 .
  • the cross section of the aforesaid slider Co 'of the aforesaid arm Br is of similar shape of an omega and in correspondence of shape with the cross section of the aforesaid slide integral with the armrest Po, to allow an angular deviation from and other a median position of the arm relative to the arm-rest around a axis ⁇ 8 of symmetry of the omega-shaped cross-section, so as to allow the surgeon to better position the patient's limb to be treated.
  • the aforesaid slide integral with the armrest Po comprises a clamping element, not shown, for blocking the aforesaid slider Co 'and thus to position the arm Br relative to the armrest Po, according to the deflection angle chosen.
  • the hub Mo in a longitudinal section containing its main axis ⁇ 2 , is an H-shaped structure;
  • the arm Br has a constant width and slightly less than the length of the horizontal upright separating the two vertical uprights of the H-shaped structure, and has a light located in a plane perpendicular to the axis ⁇ 3 of the hub Mo, thus allowing at the hub Mo to slide along the main axis ⁇ 2 of the Br arm, the width of the light being slightly greater than the thickness of the horizontal upright of the H-shaped structure. Consequently, the hub Mo is guided in translation and immobilized in rotation in the light of the arm Br.
  • the aforesaid second pin Go diametrically crosses the hub Mo in one of the two vertical uprights of the H-shaped structure, to penetrate the circular orifices O 1 , O 2 , O 3 , O 4 , passing through the Ar shaft and so to secure it in relation to the hub Mo.
  • a threaded shaft AF is integral with the hub Mo, in the vicinity of one of its ends.
  • a MOL wheel whose bore is threaded, in correspondence of shape with the aforesaid AF threaded shaft, is housed in a recess located at the opposite end to the aforesaid hub Mo; this recess allows said wheel MOL to rotate along the axis ⁇ 2 , and to be immobilized in translation along the same axis ⁇ 2 .
  • the displacement of the hub Mo and consequently that of the cradle Be is adjustable thanks to the rotation of the wheel MOL, according to its direction of rotation.
  • the arm Br comprises, in the vicinity of its end opposite to that where the hub Mo described above, the slider Co along an axis ⁇ 5 orthogonal to the axes respectively ⁇ 3 and ⁇ 2 of the hub Mo and the shaft AF threaded, and whose cross section is H-shaped.
  • a slide In the vicinity of the outer face of the arm support Po, facing the arm Br, a slide, whose cross section is T-shaped, in correspondence with the slider Co of the arm Br, serves to guide the arm Br according to a direction orthogonal to the axes respectively ⁇ 3 and ⁇ 2 of the hub Mo and the threaded shaft AF.
  • the aforesaid arm Br has a hub Mo 'located at the opposite end of said arm Br said slider Co; said hub Mo 'does not slide through said arm Br along its main axis ⁇ 2 ; thus the Ar shaft supporting the cradle Be, is rotatably mounted and translatable to the end of the arm Br, along the axis ⁇ 3 ; several arms of different length can be envisaged, so as to avoid the surgeon to be embarrassed by the end of the adjustable arm in case it is necessary to position the Ar shaft supporting the cradle Be close to the armrest Po.
  • the device 1 will position the upper limb of a patient, in the context of surgical operations performed at the forearm, elbow, arm or wrist. Similarly, it will, for example, to position the neck of a patient in the context of surgical operations performed in the cervical vertebrae.

Claims (18)

  1. Vorrichtung (1) zur abgewinkelten Positionierung eines Gliedes eines Patienten auf einem Operationstisch (TO) mit Mitteln zur Positionierung eines Traggestelles (Be), welches das Glied des Patienten gegenüber den seitlichen Führungsschienen (RG1, RG2) des Operationstisches (TO) hält,
    dadurch gekennzeichnet, dass die Mittel zur Positionierung folgendes aufweisen:
    - Verbindungselemente (MS1, MS2, MS3) der Mittel zur Positionierung des Traggestelles Be in gleicher Weise an der einen oder anderen der beiden seitlichen Führungsschienen (RG1, RG2) des Operationstisches (TO),
    - Mittel zur Positionierung des Traggestelles (Be) entlang einer Achse (Δ3) in einer Ebene parallel zu der Ebene, die von dem Operationstisch (TO) definiert wird, und senkrecht zu der Hauptachse (Δ) des Operationstisches (TO),
    wobei die Mittel zur Positionierung des Traggestelles (Be) folgendes aufweisen:
    • eine Grundplatte (Se) in einer Ebene parallel zu der Ebene, die von dem Operationstisch (TO) gebildet wird,
    wobei sich die Grundplatte (Se) in gleitender Verbindung mit den Verbindungselementen (MS1, MS2, MS3) parallel zu sich selbst verschieben kann,
    • ein Gabelstück (Ch), das mit der Grundplatte (Se) verbunden ist, und eine Welle (A1) trägt, die nahe an dem oberen Teil des Gabelstücks (Ch) angeordnet ist, und deren Achse (Δ) sich in einer Ebene parallel zu der Grundplatte (Se) und senkrecht zu der Hauptachse (Δ) des Operationstisches (TO) befindet,
    • einen Armhalter (Po), der drehbar um die Welle (A1) herum montiert ist, und in einer Ebene senkrecht zu der Grundplatte (Se) durch Motorisierung (Ve) gedreht wird,
    • eine Führungsschiene, die mit dem Armhalter (Po) verbunden und gegenüber der Motorisierung (Ve) montiert ist, und die einen Schieber (Co) in einer Ebene senkrecht zu der Grundplatte (Se) führen kann,
    • einen Arm (Br), der mit dem Schieber (Co) verbunden ist, und dessen Hauptachse (Δ2) parallel zu der Hauptachse (Δ) des Operationstisches (TO) verläuft,
    • eine Nabe (Mo), deren Achse (Δ3) sich in einer Ebene parallel zu der Grundplatte (Se) und senkrecht zu der Hauptachse (Δ) des Operationstisches (TO) befindet, und die entlang einer Hauptachse (Δ2) des Armes (Br) über den Arm hinweg gleiten kann,
    • eine Welle (Ar), die in der Nabe (Mo) drehbar und verschiebbar montiert ist, und deren Achse mit der Achse (Δ3) der Nabe (Mo) kollinear ist, und die an einem ihrer Enden das Traggestell (Be) trägt.
  2. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass die Verbindungselemente (MS1, MS2, MS3) folgendes aufweisen:
    - mindestens zwei Wellen (AS1, AS2, AS3), die mit der Grundplatte (Se) verbunden sind, und die sich jeweils in einem Spannkopf (NS1, NS2, NS3) verschieben lassen,
    - mindestens zwei Paar Spannbacken (Mo1, Mo2, Mo3), deren Einspannende in seiner Form mit dem Querschnitt der Führungsschienen (RG1, RG2) des Operationstisches (TO) übereinstimmt, wobei jedes Paar der Spannbacken (Mo1, Mo2, Mo3) aus einem festen oberen Spannbacken - der mit dem Spannkopf (NS1, NS2, NS3) verbunden ist - und aus einem unteren beweglichen Spannbacken besteht, der über einen Spanngriff (P1, P2, P3) betätigt werden kann, wobei sich der obere feste Spannbacken auf dem Abschnitt der Grundplatte (Se) abstützt, der dem Operationstisch (TO) zugewandt ist.
  3. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass die Motorisierung (Ve) vom Typ eines Betätigungsgerätes den Armhalter (Po) zum Drehen bringt, und zwar unter Zwischenschaltung einer ersten Anlenkung (Ar1) in Verbindung mit einem Fuß (Pi), der mit der Grundplatte (Se) verbunden ist und einer zweiten Anlenkung (Ar2), die mit dem Armhalter (Po) verbunden ist, wobei die zweite Anlenkung (Ar2) zwischen der Welle (A1) und dem unteren Teil des Armhalters (Po) angeordnet ist.
  4. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass die Motorisierung (Ve) vom Typ eines elektrischen, pneumatischen oder hydraulischen Betätigungsgerätes ist, dessen Bedienung direkt am Operationstisch (TO) oder ferngesteuert durchgeführt wird.
  5. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass die mit dem Traggestell (Be) verbundene Welle (Ar) eine Abflachung (Me) aufweist, die fast halb so lang ist wie die Welle (Ar), sowie eine Vielzahl kreisförmiger, abstandsgleicher Hohlkehlen (G1, G2, G3), wobei die Tiefe der Vielzahl der Hohlkehlen (G1, G2, G3) geringer ist als die Tiefe der Abflachung (Me); ein zylindrischer Stift führt durch die Öffnung der Nabe (Mo) hindurch, welche die Welle (Ar) aufnimmt, dessen Mantellinie die Abflachung (Me) der Welle (Ar) berührt.
  6. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass die Nabe (Mo) in einem Längsschnitt, der ihre Hauptachse (Δ2) enthält, einen H-förmigen Aufbau aufweist, wobei der Arm (Br) eine konstante Breite besitzt, die etwas geringer ist als die Länge der horizontalen Stütze, welche die beiden vertikalen Stützen des H-förmigen Aufbaus voneinander trennt, und eine Öffnung besitzt, die sich in einer Ebene senkrecht zu der Achse (Δ3) der Nabe (Mo) befindet, so dass die Nabe (Mo) entlang der Hauptachse (Δ2) des Armes (Br) verschiebbar ist, wobei die Breite der Öffnung etwas größer als die Dicke der horizontalen Stütze des H-förmigen Aufbaus ist.
  7. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass der Arm (Br) folgendes aufweist:
    - eine Welle (AC) mit einer Vielzahl von Riffelungen, deren Hauptachse zu der Hauptachse (Δ2) des Armes (Br) kollinear ist,
    wobei die Welle (AC) in der Nähe einer ihrer Enden mit der Nabe (Mo) verbunden ist,
    - eine Kupplung (CR), deren Drehachse (Δ4) senkrecht zu der Achse (Δ2) der geriffelten Welle (AC) verläuft, so dass die geriffelte Welle (AC) und die Nabe (Mo) in der Translation blockiert oder entblockiert werden können, und zwar mittels jeweils einer ersten Drehung der Kupplung (CR), so dass ein Zahn in Übereinstimmung mit der Form in eine der Vielzahl von Riffelungen eingreifen kann, oder einer zweiten Drehung der Kupplung (CR), so dass der Zahn aus der Vielzahl von Riffelungen heraustreten kann.
  8. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass das Traggestell (Be) einen festen Spannbacken aufweist, der mit der Welle (Ar) verbunden ist, die das Traggestell (Be) hält, sowie einen beweglichen, verschiebbaren Spannbacken, mit dem der Abstand zwischen den beiden Spannbacken in Abhängigkeit von der Morphologie des Oberschenkels eingestellt werden kann.
  9. Vorrichtung nach Anspruch 4,
    dadurch gekennzeichnet, dass der Zylinder (Ve) - mit dem der Armhalter (Po), der drehbar um die Welle (A1) herum montiert ist, gedreht werden kann - senkrecht zu der Ebene angeordnet ist, die durch den Operationstisch (TO) definiert ist.
  10. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass die Welle (A1), die sich nahe an dem oberen Teil des Gabelstücks (Ch) befindet, und die Drehung des Armhalters (Po) ermöglicht, an jedem ihrer Enden ein Sackloch besitzt, um einen Laserstrahlerzeuger (La1, LA2) mit geringer Abmessung und geringer Leistung aufnehmen zu können.
  11. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass die Verbindungselemente (MS1, MS2) der Grundplatte (Se) auf der Führungsschiene (RG1) der Mittel zur Positionierung des Traggestelles (Be) aus einer Welle (AS0) bestehen, die mit der Grundplatte (Se) verbunden ist, und zwar auf der Seite, die der Seite, welche die Mittel zur Positionierung des Traggestelles (Be) hält, gegenüberliegt, und die senkrecht zur Grundplatte (Se) ausgerichtet ist, wobei die Welle (AS0) in einem Spannkopf (NS0) gleitet, dessen Hauptachse horizontal und senkrecht zu der Längsachse der Führungsschiene (RG1) verläuft.
  12. Vorrichtung nach Anspruch 11,
    dadurch gekennzeichnet, dass die Einspannung der Welle (AS0) in dem Spannkopf (NS0) mit Hilfe eines Spanngriffes (P0) erfolgt, wobei der Spannkopf (NS0) mit zwei Klammern(CL1, CL2) verbunden ist, deren Einspannung in Übereinstimmung mit dem Querschnitt der Führungsschiene (RG1) durchgeführt wird, wobei die Klammern (CL1, CL2) jeweils mit Hilfe eines Spanngriffes (PCL1, PCL2), festlegbar sind.
  13. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass der Schieber (Co), der von der Führungsschiene (Co) geführt wird, die mit dem Armhalter (Po) verbunden ist, einen Schrauben/Mutter-Satz (Vi) / (Em) aufweist, so dass der Arm (Br) entlang einer Achse (Δ5) orthogonal zu den Achsen (Δ3) bzw. (Δ2) der Nabe (Mo) und des Armes (Br) verschoben werden kann.
  14. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass der Schieber (Co), der von der Führungsschiene geführt wird, die mit dem Armhalter (Po) verbunden ist, einen Omega-Querschnitt aufweist, der in der Form dem Querschnitt der Führungsschiene entspricht, die mit dem Armhalter (Po) verbunden ist, um eine Winkelablenkung zu beiden Seiten einer mittleren Position des Armes (Br) gegenüber dem Armhalter (Po) um eine Symmetrieachse (Δ8) des Omega-Querschnitts herum zu ermöglichen.
  15. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass der Arm (Br) folgendes aufweist:
    - eine Gewindewelle (AF), deren Hauptachse zu der Hauptachse (Δ2) des Armes (Br) kollinear ist, wobei die Gewindewelle (AF) in der Nähe einer ihrer Enden mit der Nabe (Mo) verbunden ist,
    - ein Rändelrad (MOL) mit Gewindebohrung, deren Form mit der Gewindewelle (AF) übereinstimmt, wobei das Rändelrad (MOL) in einer Aussparung aufgenommen wird, die sich an dem Ende befindet, das der Nabe (Mo) gegenüberliegt, wobei es durch die Aussparung möglich ist, dass sich das Rändelrad (MOL) um die Achse (Δ2) dreht und um dieselbe Achse (Δ2) verriegelt wird und dadurch nicht mehr verschoben werden kann, wobei durch die Drehung des Rändelrades (MOL) die Verschiebung der Nabe (Mo) und demzufolge des Traggestelles (Be) möglich wird.
  16. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass der Arm (Br) eine Nabe (Mo') aufweist, die sich an dem dem Arm (Br) des Schiebers (Co) gegenüberliegenden Ende befindet, wobei die Nabe (Mo') mit dem Arm (Br) verbunden ist, und die Welle (Ar), die das Traggestell (Be) hält, drehend montiert ist und am Ende des Armes (Br) entlang einer Achse (Δ3) verschoben werden kann.
  17. Vorrichtung nach Anspruch 16,
    dadurch gekennzeichnet, dass der Arm (Br) mehrere unterschiedliche Längen aufweist.
  18. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass durch ein Schutzgehäuse (Ca) jeglicher Kontakt der Motorisierung (Ve) mit dem Operationstisch (TO) und / oder einem seiner Zubehörteile vermieden wird.
EP06808187A 2005-10-25 2006-10-09 Vorrichtung zur abgewinkelten positionierung eines glieds eines patienten auf einem operationstisch Active EP1940337B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0510867A FR2892300B1 (fr) 2005-10-25 2005-10-25 Dispositif pour le positionnement angulaire d'un membre d'un patient reposant sur une table d'operation.
PCT/FR2006/002169 WO2007048892A1 (fr) 2005-10-25 2006-10-09 Dispositif pour le positionnement angulaire d'un membre d'un patient reposant sur une table d'operation

Publications (2)

Publication Number Publication Date
EP1940337A1 EP1940337A1 (de) 2008-07-09
EP1940337B1 true EP1940337B1 (de) 2009-11-18

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US (1) US8020559B2 (de)
EP (1) EP1940337B1 (de)
JP (1) JP2009513209A (de)
CN (1) CN101384236A (de)
AT (1) ATE448766T1 (de)
CA (1) CA2625630C (de)
DE (1) DE602006010590D1 (de)
FR (1) FR2892300B1 (de)
WO (1) WO2007048892A1 (de)

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DE102012105264B4 (de) * 2012-06-18 2016-06-09 MAQUET GmbH Einrichtung zum Fixieren eines Femurs in der Hüftendoprothetik
CN103519943A (zh) * 2013-10-23 2014-01-22 深圳市思乘创新工业设计有限公司 担架车
CN103598958B (zh) * 2013-12-09 2015-06-03 冉旭东 一种摆位器
WO2015138317A1 (en) 2014-03-10 2015-09-17 Stryker Corporation Limb positioning system
US9951904B2 (en) 2015-03-24 2018-04-24 Stryker Corporation Rotatable seat clamps for rail clamp
US10197593B2 (en) 2015-07-13 2019-02-05 YIS/Cowden Group Modular portable speedometer calibration stand
US11751973B2 (en) * 2017-05-03 2023-09-12 Smith & Nephew, Inc. Lockable, hydraulic surgical support apparatus
CN111643310B (zh) * 2020-06-05 2022-09-30 泰兴市唯艺传媒广告有限公司 一种多功能手术用骨科的腿部支撑托架
CN112674983A (zh) * 2020-12-23 2021-04-20 华中科技大学同济医学院附属协和医院 上肢手术体位支架
CN117694855B (zh) * 2024-02-04 2024-04-16 德州玉东医疗器械有限公司 高血压患者健康数据采集装置

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Also Published As

Publication number Publication date
WO2007048892A1 (fr) 2007-05-03
CN101384236A (zh) 2009-03-11
FR2892300A1 (fr) 2007-04-27
ATE448766T1 (de) 2009-12-15
EP1940337A1 (de) 2008-07-09
WO2007048892A9 (fr) 2008-05-29
CA2625630C (fr) 2014-12-02
US8020559B2 (en) 2011-09-20
FR2892300B1 (fr) 2007-12-28
JP2009513209A (ja) 2009-04-02
CA2625630A1 (fr) 2007-05-03
DE602006010590D1 (de) 2009-12-31
US20080289636A1 (en) 2008-11-27

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