EP1940337A1 - Dispositif pour le positionnement angulaire d'un membre d'un patient reposant sur une table d'operation - Google Patents
Dispositif pour le positionnement angulaire d'un membre d'un patient reposant sur une table d'operationInfo
- Publication number
- EP1940337A1 EP1940337A1 EP06808187A EP06808187A EP1940337A1 EP 1940337 A1 EP1940337 A1 EP 1940337A1 EP 06808187 A EP06808187 A EP 06808187A EP 06808187 A EP06808187 A EP 06808187A EP 1940337 A1 EP1940337 A1 EP 1940337A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- aforesaid
- arm
- shaft
- axis
- hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000003414 extremity Anatomy 0.000 claims description 15
- 230000000284 resting effect Effects 0.000 claims description 4
- 210000000689 upper leg Anatomy 0.000 claims description 4
- 241000237519 Bivalvia Species 0.000 claims description 3
- 235000020639 clam Nutrition 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 210000002414 leg Anatomy 0.000 description 12
- 210000003127 knee Anatomy 0.000 description 9
- 210000004394 hip joint Anatomy 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 210000004197 pelvis Anatomy 0.000 description 3
- 210000000521 femorotibial joint Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 210000003137 popliteal artery Anatomy 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- 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.
- an apparatus comprising a cradle bar attached to the end of a crank coupled to the rod of a jack by means of a hinge so that the movement of translation of the cylinder rod causes a rotational movement of the cradle bar.
- a device for adjusting the angular position of a patient's limb resting on an operating table comprising:
- a shelf provided on two opposite side edges of fixing means with adjustable spacing on the two lateral guide rails of an operating table, and - a gutter door mounted by one of its ends on a rotating transverse shaft carried by the tablet and rotated by a motorization through a connection allowing a translational movement of the gutter door while allowing its rotary drive by said shaft.
- the apparatus comprises means for positioning a cradle supporting the patient's limb with respect to the lateral guide rails of an operating table or a treatment table, knowing that said positioning means comprise: - means for securing said cradle positioning means indifferently on one or the other of the two lateral guide rails of the operating table,
- said means for positioning said cradle include: soleplate located in a plane parallel to that defined by the operating table, which soleplate can move parallel to itself in sliding connection with the aforesaid securing means, o a clevis, integral with the aforesaid soleplate, comprising a bearing shaft; rotation, located close to the upper part of said yoke, and whose axis is situated in a plane parallel to said soleplate and perpendicular to the longitudinal axis of the operating table, o an armrest, rotatably mounted around said rotation shaft and actuated in rotation in a plane perpendicular to said soleplate by a motor, disposed substantially parallel to the plane defined by the operating table o a slide, mounted integral with the aforesaid armrest, on the opposite side to the aforesaid motorization, and
- the device according to the invention can be mounted on operating or treatment tables of varying width and thickness, either on one or the other of the two lateral guide rails of said operation or treatment table,
- the shaft supporting the cradle has its axis perpendicular to the longitudinal axis of the operating table, which axis of said shaft is perpendicular to the vertical plane passing through the leg of the patient,
- the tilting axis of the assembly consisting of the aforesaid armrest, the aforesaid arm, the aforesaid hub and the aforesaid shaft associated with the cradle, can be brought to the vicinity of the hip joint so that the effort applied by the cradle is evenly distributed on the thigh avoiding excessive compression of the organs (muscles, tendons, veins, arteries) of the thigh and any transverse tilting of the pelvis,
- the adjustable length of the cradle is provided so as to avoid any effort under the knee of the patient at the level of the femoro-tibial joint and compression of the popliteal artery;
- the cradle may consist of a fixed jaw secured to the shaft supporting the cradle and a movable sliding jaw, for adjusting the distance between the two jaws according to the morphology of the thigh.
- 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.
- FIG. 1 is a perspective representation of the device for adjusting the position of a limb of a patient resting on an operating table
- FIG. 2 is a second perspective representation of said device seen at another angle associated with a single rail of the operating table
- FIG. 3 is a third perspective representation of said device seen at another angle associated with a single rail of the operating table
- FIG. 4 is a perspective representation of the cradle associated with its shaft rotatably and translatable mounted in the aforesaid hub
- FIG. 5 is a perspective representation of the arm integral with said slide and comprising the aforesaid hub being able to slide through said arm along the main axis of said arm
- FIG. 6 is a sectional representation of said slider and a mechanism for positioning said arm relative to said armrest
- FIG. 7 is a perspective representation of the device for adjusting the position of a limb of a patient according to a second embodiment
- FIG. 8 is a second perspective representation of the device for adjusting the position of a patient's limb according to the second embodiment
- FIG. 9 is a perspective view of the device for adjusting the position of a patient's limb according to a third embodiment
- FIG. 10 is a perspective view detailing the adjustment of the positioning of the arm relative to the the arm support
- FIG. 11 is a perspective representation of the arm integral with a slide according to a second embodiment
- FIG. 12 is a perspective representation of the arm integral with a slide according to a third embodiment.
- Figure 13 is a perspective representation of the arm and partially of the shaft supporting the cradle and the cradle, according to a fourth embodiment.
- the device 1 comprising means for positioning a cradle Be supporting the member of a patient relative to the lateral guide rails RG 1 , RG 2 , d an operation table TO, consists of:
- a sole plate disposed horizontally and laterally along the operating table TO whose longitudinal axis is ⁇ , represented by a plate L L and its two lateral guide rails RGi, RG 2 , • securing means MSi, MS 2 , MS 3 , said sole Se on one or the other of the two guide rails RGi, RG 2 , the operating table TO,
- a rotation shaft Ai located near the upper part of the clevis Ch and whose axis ⁇ i is situated in a plane parallel to the soleplate Se and perpendicular to the longitudinal axis ⁇ of the operating table TO, • an armrest Po, rotatably mounted around the rotation shaft Ai and actuated in rotation in the vertical plane perpendicular to the soleplate Se, by a cylinder Ve,
- a slide mounted integral with the aforesaid armrest Po, on the opposite side to the cylinder Ve, and being able to guide a slide Co in a plane perpendicular to the plate Se,
- a hub Mo whose main axis ⁇ 3 is located in a plane parallel to the soleplate Se and perpendicular to the axis ⁇ of the operating table TO 5 and slidable through the arm Br according to the main axis ⁇ 2 of the arm Br,
- the cradle Be can be positioned above the operating table TO 5 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 ⁇ l brought near the hip joint.
- the securing means MSi, MS 2 , MS 3 , of the sole plate Se on one or the other of the two guide rails RGi, RG 2 , of the operating table TO, consist of at least two shafts.
- each of said nuts NSi, NS 2 , NS 3 is integral with a pair of jaws Moi, Mo 2 , Mo 3 , whose clamping end is in correspondence of shape with the cross section of the guide rails RGi, RG 2 , of the operating table TO, the pair of jaws Moi, Mo 2 , Mo 3 , consisting of a fixed upper jaw integral with the clamping nut NSi, NS 2 , NS 3 , and a lower jaw movable by a clamping handle P 1 , P 2 , P 3 , the upper
- the sole plate SE can be displaced and positioned vertically, in a precise manner, being guided on the one hand by the ASi, AS 2 , AS 3 and bearing shafts, in the vicinity of its edge oriented towards the operating table. TO, 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 Ari in connection with a foot integral Pi of the sole Se and a second joint Ar 2 integral with the armrest Po, which second joint Ar 2 is disposed between the shaft Ai and the lower part of the armrest Po, for raising 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 whose length is close to half the length of the Ar shaft and a plurality of circular grooves Gi, 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 Gi, 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.
- 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 Gi, 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 Gi, G 2 ,
- 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 shaft Ar and whose axes are perpendicular to the axis ⁇ 3 of the Ar shaft.
- This second pin Go is shown in FIG.
- 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 5 and has a light situated in a plane perpendicular to the axis ⁇ 3 of the hub Mo, thus allowing at the hub Mo to slide along the axis main ⁇ 2 Br arm, the width of the light being slightly greater than the thickness of the horizontal upright of the H-shaped structure.
- the hub Mo is guided in translation and immobilized in rotation in the Br arm light
- the aforementioned second pin Go diametrically crosses the hub Mo in one of the two vertical uprights of the H-shaped structure, allowing penetration into the circular orifices O 1 , O 2 , O 3 , O 4 , passing through the Ar shaft and thus 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 A 2 of the arm Br, 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 5 facing the arm Br, a slide, the cross section of which is T-shaped, in correspondence with the slide 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.
- 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 slide located in the armrest Po.
- the finger Do crosses the slider Co of the arm Br and the slide of the armrest Po, to end in the vicinity of one of its ends in an orifice Ox of the plurality of orifices made in the armrest Po.
- the finger Do is integral with the pull tab Ti positioned in a plane perpendicular to the slide Co of the arm Br.
- a spring Re mounted in compression, taking support on the one hand on a flange located near the middle of the finger Do and secondly on a flange Fl obturant the outer face of the slider Co of the arm Br, allows the assembly consisting of the finger Do and the zipper Ti, to keep the finger Do to the fon d of the chosen orifice Ox.
- the device 1 comprising means for positioning a cradle Be supporting the member of a patient relative to the lateral guide rail RGi, d ' an operating table, not shown, consists of: • a sole plate arranged horizontally and laterally along the lateral guide rail RGi, • securing means MSi, MS 2 , said sole Se on the guide rail RGi,
- a clevis Ch integral with said soleplate Se, whose cross section is U-shaped, with a rotation shaft Ai, located near the upper part of the clevis Ch, and whose axis ⁇ i is situated in a plane parallel to the soleplate Se and perpendicular to the guide rail RGi,
- An armrest Po rotatably mounted around the rotation shaft Ai and actuated in rotation in the vertical plane perpendicular to the soleplate Se, by a jack Ve,
- a hub Mo whose main axis A 3 is located in a plane parallel to the soleplate Se and perpendicular to the guide rail RGi, and slidable through the arm Br along the main axis ⁇ 2 of the arm Br
- a shaft Ar rotatably mounted and translatable in the hub Mo, whose axis is collinear with the axis ⁇ 3 of the hub Mo, and supporting at one of its ends the cradle Be supporting the patient's limb.
- the aforesaid jack Ve for rotating said arm holder Po rotatably mounted about the rotation shaft Ai is essentially arranged perpendicular to the plane defined by the operating table, thus releasing the space located symmetrically to the cradle Be supported by the arm Br and the armrest Po.
- 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 ⁇ l brought near the hip joint. Furthermore, the space released by the cylinder Ve can generate a more comfortable space for the patient.
- the securing means MSi, MS 2 , of the sole Se on the guide rail RG 1 consist of two shafts ASi, AS 2 , integral with the sole Se on the face opposite to that supporting the positioning means of the cradle Be , oriented perpendicularly to the sole plate Se, which shafts ASi, AS 2 , can each slide in a clamping nut NSi, NS 2 , whose main axis is horizontal and perpendicular to the longitudinal axis of the guide rail RGi; each of said nuts NSi, NS 2 , is secured to a clameau, respectively CLi, CL 2 , whose clamping is effected in correspondence of shape with the cross section of the guide rail RGi, the clams CLi, CL 2 being secured by a clamping handle, respectively PCLi, PCL 2 .
- the sole Se can be moved and positioned vertically, in a precise manner, being guided by the ASi, AS 2 trees.
- the motorization Ve actuates in rotation the armrest Po by means of a first articulation Ari in conjunction with a foot Pi integral with the soleplate Se via two columns Ci, and a second articulation Ar 2 integral with the armrest Po, which second articulation Ar 2 is disposed between the shaft Ai and the upper part of the armrest Po, allowing to raise or lower, more or less, the slide Co and consequently, the arm Br having the hub Mo, the shaft Ar 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 Ai located near the upper part of said clevis Ch, enabling the arm support Po to pivot, may comprise a bore, in order to be able to house a beam generator.
- Lai laser, LA 2 of 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 device 1 comprising means for positioning a cradle Be supporting the member of a patient with respect to the lateral guide rail RGi, of a table operation not shown, is constituted, except means previously described: securing means MSi, MS 2 , said sole Se on the guide rail RGi.
- the aforesaid securing means MSi, MS 2 , of the sole plate Se on the guide rail RGi consist of a shaft AS 0 , integral with the sole plate Se on the opposite face 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 longitudinal axis of the RGi guide rail; the tightening of the aforesaid axis shaft AS 0 in the nut NS 0 is effected by means of a clamping handle Po; said nut NSo, is secured to two clusters, CLi, CL 2 , the clamping is effected in correspondence of shape with the cross section of the guide rail RG 1 , the clams CLi, CL 2 being secured by means of a clamping handle, respectively PCLi, PCL 2
- the arm Br comprises the slider Co guided by the slide secured to the armrest Po; the translation of the arm Br, along the axis A 5 is performed by means of a screw Vi / Em nut assembly, so as to allow the surgeon to accurately position the arm Br relative to the armrest Po.
- either the aforesaid life Ve is secured to the knurled nut Em, which screw Ve drives the slider Co through a threaded hole, the drive of the aforesaid knurled nut Em actuating the arm Br in a direction or in the opposite direction according to the direction of rotation of said nut Em.
- the cross-section of the aforesaid slider Co 'of the aforesaid arm Br is of a shape similar to an omega and in correspondence of shape with the cross-section of the aforesaid slide integral with the arm-carrier Po, to allow angular deflection on either side of a median position of the arm relative to the armrest around a As axis 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.
- 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 A 2 of the hub Mo and the shaft AF thread, and whose cross section is H-shaped.
- a slide In the vicinity of the outer face of the arm holder Po, opposite the Br arm, a slide, whose cross section is T-shaped, corresponding in shape with the slider Co of the arm Br, makes it possible to guide the arm Br in 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.
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Radiation-Therapy Devices (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Eye Examination Apparatus (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Description
Claims
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 true EP1940337A1 (fr) | 2008-07-09 |
EP1940337B1 EP1940337B1 (fr) | 2009-11-18 |
Family
ID=36685910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06808187A Active EP1940337B1 (fr) | 2005-10-25 | 2006-10-09 | Dispositif pour le positionnement angulaire d'un membre d'un patient reposant sur une table d'operation |
Country Status (9)
Country | Link |
---|---|
US (1) | US8020559B2 (fr) |
EP (1) | EP1940337B1 (fr) |
JP (1) | JP2009513209A (fr) |
CN (1) | CN101384236A (fr) |
AT (1) | ATE448766T1 (fr) |
CA (1) | CA2625630C (fr) |
DE (1) | DE602006010590D1 (fr) |
FR (1) | FR2892300B1 (fr) |
WO (1) | WO2007048892A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022200603A1 (fr) | 2021-03-25 | 2022-09-29 | Ganymed Robotics | Système de positionnement de membre |
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ES2550078T3 (es) | 2011-07-22 | 2015-11-04 | Stryker Corporation | Soporte para una extremidad del cuerpo con múltiples posiciones |
US10206842B2 (en) * | 2012-01-26 | 2019-02-19 | American Sterilizer Company | Medical table with leg support |
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 |
EP3116462B1 (fr) | 2014-03-10 | 2018-05-02 | Stryker Corporation | Système de positionnement de membre |
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 |
AU2018261391A1 (en) * | 2017-05-03 | 2019-11-14 | 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 |
EP4420645A1 (fr) * | 2023-02-24 | 2024-08-28 | Uniwersytet Zielonogórski | Extension de table d'opération |
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 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2605517A1 (fr) * | 1986-10-27 | 1988-04-29 | Tasserit Ets | Support de genou mecanique pour arthroscopie |
FR2631231B1 (fr) * | 1988-05-11 | 1994-08-12 | Medistef Sarl | Appareil pour le maintien de la cuisse, notamment dans le cas d'une intervention sur le genou |
FR2732213B1 (fr) * | 1995-03-27 | 1997-10-10 | Rousseau Jacques Marie | Dispositif pour positionner une articulation lors d'une intervention chirurgicale |
BE1010080A6 (fr) * | 1996-03-18 | 1997-12-02 | Legrand Georges | Appareil pour supporter une jambe d'un patient pour la chirurgie du genou. |
DE10304433B4 (de) * | 2003-02-04 | 2005-02-24 | Dornier Medtech Systems Gmbh | Beinhalteanordnung |
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2005
- 2005-10-25 FR FR0510867A patent/FR2892300B1/fr not_active Expired - Fee Related
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2006
- 2006-09-21 CN CNA2006800397467A patent/CN101384236A/zh active Pending
- 2006-09-21 US US12/091,697 patent/US8020559B2/en not_active Expired - Fee Related
- 2006-10-09 CA CA2625630A patent/CA2625630C/fr active Active
- 2006-10-09 AT AT06808187T patent/ATE448766T1/de not_active IP Right Cessation
- 2006-10-09 EP EP06808187A patent/EP1940337B1/fr active Active
- 2006-10-09 JP JP2008537127A patent/JP2009513209A/ja active Pending
- 2006-10-09 WO PCT/FR2006/002169 patent/WO2007048892A1/fr active Application Filing
- 2006-10-09 DE DE602006010590T patent/DE602006010590D1/de active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022200603A1 (fr) | 2021-03-25 | 2022-09-29 | Ganymed Robotics | Système de positionnement de membre |
Also Published As
Publication number | Publication date |
---|---|
ATE448766T1 (de) | 2009-12-15 |
CN101384236A (zh) | 2009-03-11 |
US20080289636A1 (en) | 2008-11-27 |
WO2007048892A9 (fr) | 2008-05-29 |
US8020559B2 (en) | 2011-09-20 |
FR2892300A1 (fr) | 2007-04-27 |
FR2892300B1 (fr) | 2007-12-28 |
WO2007048892A1 (fr) | 2007-05-03 |
DE602006010590D1 (de) | 2009-12-31 |
EP1940337B1 (fr) | 2009-11-18 |
JP2009513209A (ja) | 2009-04-02 |
CA2625630A1 (fr) | 2007-05-03 |
CA2625630C (fr) | 2014-12-02 |
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