Surgical and examination table structure

Claim 2

A surgical and examination table structure capable of longitudinal displacement in opposite directions comprising: a base; vertical supporting frame means fixed at one end thereof to said base; carrier means slidably mounted to said supporting frame means at the other end thereof; platform means mounted to said carrier means for supporting a patient and including a head panel, a back panel, a trunk panel connected to said carrier means along the side edges of said trunk panel and at least one leg panel, said panels being serially connected; hydraulic drive means including at least one hydraulic cylinder fixedly mounted on the vertical supporting frame means at said other end thereof and having a piston member connected to said carrier means for slidably displacing in the longitudinal direction said carrier means relative to said supporting frame means; the longitudinal displacement of the carrier means being such that all points on the platform means have at one time or another a vertical axis which clears the vertical supporting frame means thereby permitting an examination of a patient positioned on said platform means without moving the patient during the examination and tilting means in said carrier means for pivotably moving said platform means relative to said carrier means.

Claim 3

A surgical and examination table structure capable of longitudinal displacement in opposite directions comprising: a base; vertical supporting frame means fixed at one end thereof to said base including vertically upstanding housing means, a coupling member pivotably connected to the upper end of said housing means and a plate means pivotably connected to the coupling member; carrier means slidably mounted to said supporting frame means at the other end thereof; platform means mounted to said carrier means for supporting a patient and including a head panel, a back panel, a trunk panel and at least one leg panel, said panels being serially connected; and hydraulic drive means supported by said plate means including at least one hydraulic cylinder fixedly mounted on the vertical supporting frame means at said other end thereof and having a piston member connected to said carrier means for slidably displacing in the longitudinal direction said carrier means relative to said supporting frame means; the longitudinal displacement of the carrier means being such that all points on the platform means have at one time or another a vertical axis which clears the vertical supporting frame means thereby permitting an examination of a patient positioned on said platform means without moving the patient during the examination.

Claim 4

A surgical and examination table structure capable of longitudinal displacement in opposite directions comprising: a base; vertical supporting frame means fixed at one end thereof to said base including vertically upstanding housing means, a coupling member pivotably connected to the upper end of said housing means and a plate means pivotably connected to the coupling member; carrier means slidably mounted to said supporting frame means at the other end thereof; platform means mounted to said carrier means for supporting a patient and including a head panel, a back panel, a trunk panel and at least one leg panel, said panels being serially connected; and hydraulic drive means supported by said plate means including at least one hydraulic cylinder fixedly mounted on the vertical supporting frame means at said other end thereof and having a piston member connected to said carrier means for slidably displacing in the longitudinal direction said carrier means relative to said supporting frame means; the longitudinal displacement of the carrier means being such that all points on the platform means have at one time or another a vertical axis which clears the vertical supporting frame means thereby permitting an examination of a patient positioned on said platform means without moving the patient during the examination.

Claim 5

A table structure as defined in claim 2 further comprising hydraulic drive means mounted between said housing means and said coupling member for causing transverse pivotal movement of said platform means relative to the longitudinal plane thereof.

Claim 6

A table structure as defined in claim 2 further comprising hydraulic drive means mounted between said housing means and said plate means for causing longitudinal pivotal movement of said platform means relative to said housing means.

Claim 7

A table structure as defined in claim 2 wherein said drive means consist of a pair of hydraulic cylinder and piston units respectively disposed along each side edge of said trunk panel; the cylinders of said unit being attached to said plate means; the pistons of said units being fixed to said side edges whereby the introduction of pressurized fluid in said cylinders causes the longitudinal displacement of said side edges relative to said cylinders.

Claim 8

A table structure as defined in claim 2 wherein said vertically upstanding housing means include first and second hollow housings telescopically received in one another, and hydraulic drive means mounted in said housings for lowering and raising said platform means.

Claim 9

A table structure as defined in claim 1 wherein said tilting means include two elongated housings mounted respectively beneath the longitudinal edges of said trunk panel; each housing including a bottom wall and opposite side walls; an elongated drive plunger longitudinally displaceable in each housing centrally thereof; hydrAulic drive means in each housing for displacing said plunger therein; a pair of elongated linking members respectively mounted in each housing on opposite sides of said drive plunger, each linking member being pivotally mounted at one end thereof to a transverse axis secured to an adjacent side wall of said housing, the transverse axes being parallel and longitudinally spaced in said housing; each of said linking members being provided with an elongated curved slot; said plunger including on each side wall thereof a projection extending into an associated slot in said linking members; plate means extending longitudinally over said housing and having one end pivotally connected to one linking member at the end thereof opposite to the end pivotally mounted to a side wall of the housing and having the other end pivotally connected to the other linking member at the end thereof opposite the end pivotally mounted to the side wall of the housing; said slots being shaped whereby the longitudinal displacement of the plunger into the housing by said hydraulic drive means and the resulting travel of said projection in said slots cause the following positions: a first position where a first linking member is pivotally inclined with respect to the plane of the housing; a second position where both linking members are received in the same plane as the plane of the housing and the plunger; and a third position where the other linking member is pivotally inclined with respect to the plane of said housing and in opposite direction relative to the first position.

Claim 10

A surgical and examination table structure capable of longitudinal displacement in opposite directions comprising: a base; vertical supporting frame means fixed at one end thereof to said base; carrier means slidably mounted to said supporting frame means at the other end thereof; platform means mounted to said carrier means for supporting a patient and including a head panel, a back panel, a trunk panel and at least one leg panel, each trunk panel including along each longitudinal side edge thereof means for articulating a respective leg panel thereto; each said articulating means including an elongated housing secured to said trunk panel along said side edge; a pair of spaced parallel transverse axes mounted at opposite ends of the housing; sprocket means mounted on each said axis; chain means entrained around said sprocket means, said chain means defining opposite intermediate strands extending between said sprocket means; toothed wheel means mounted on a first of said transverse axes; hydraulic drive means mounted in said housing and including a cylinder and piston, said piston having one end received in said cylinder and the other end fixed to one of the intermediate strands, a third transverse axis transversely mounted to said housing in the vicinity of said first transverse axis and adapted to receive thereon a toothed portion of said leg panel for meshing engagement with said toothed wheel means whereby torque received on said first transverse axis through actuation of said chain means by said hydraulic drive means is transmitted from said toothed wheel means to the toothed portion of the leg panel to thereby cause pivotal movement of the leg panel relative to the trunk panel, said panels being serially connected; and hydraulic drive means including at least one hydraulic cylinder fixedly mounted on the vertical supporting frame means at said other end thereof and having a piston member connected to said carrier means for slidably displacing in the longitudinal direction said carrier means relative to said supporting frame means; the longitudinal displacement of the carrier means being such that all points on the platform means have at one time or another a vertical axis which clears the vertical supporting frame means thereby permitting an examination of a patient positioned on said platform means without moving the patient during the examination.

Claim 11

A surgical and examination table structure capable of longitudinal displacement in opposite directions comprising: a base; vertical supporting frame means fixed at one end thereof to said base; carrier means slidably mounted to said supporting frame means at the other end thereof; platform means mounted to said carrier means for supporting a patient and including a head panel, a back panel, a trunk panel and at least one leg panel, each trunk panel including along each longitudinal side edge thereof means for articulating a respective leg panel thereto; each said articulating means including an elongated housing secured to said trunk panel along said side edge; a pair of spaced parallel transverse axes mounted at opposite ends of the housing; sprocket means mounted on each said axis; chain means entrained around said sprocket means, said chain means defining opposite intermediate strands extending between said sprocket means; toothed wheel means mounted on a first of said transverse axes; hydraulic drive means mounted in said housing and including a cylinder and piston, said piston having one end received in said cylinder and the other end fixed to one of the intermediate strands, a third transverse axis transversely mounted to said housing in the vicinity of said first transverse axis and adapted to receive thereon a toothed portion of said leg panel for meshing engagement with said toothed wheel means whereby torque received on said first transverse axis through actuation of said chain means by said hydraulic drive means is transmitted from said toothed wheel means to the toothed portion of the leg panel to thereby cause pivotal movement of the leg panel relative to the trunk panel, said panels being serially connected; and hydraulic drive means including at least one hydraulic cylinder fixedly mounted on the vertical supporting frame means at said other end thereof and having a piston member connected to said carrier means for slidably displacing in the longitudinal direction said carrier means relative to said supporting frame means; the longitudinal displacement of the carrier means being such that all points on the platform means have at one time or another a vertical axis which clears the vertical supporting frame means thereby permitting an examination of a patient positioned on said platform means without moving the patient during the examination.

Claim 12

A table structure as defined in claim 8 further comprising second articUlating means mounted in each longitudinal side edge of said back panel for causing pivotal movement of said back panel relative to said trunk panel; each said second articulating means including: an elongated housing secured to said longitudinal side edge of said back panel; a pair of spaced parallel transverse axes mounted at opposite ends of said housing; sprocket means mounted on each said axis; chain means entrained around said sprocket means, said chain means defining opposite intermediate strands extending between said sprocket means; toothed wheel means mounted on a first of said transverse axes; hydraulic drive means mounted in said housing and including a cylinder and a piston, said piston having one end received in said cylinder and the other end fixed to one of said intermediate strands; a third transverse axis transversely mounted to said housing in the vicinity of said first transverse axis; each elongated housing of said first articulating means including a block fixedly secured to said housing of said articulating means adjacent a second of said pair of transverse axes of said first articulating means; said block provided thereon with a toothed portion to be meshed with the toothed wheel means of the second articulating means in said back panel whereby actuation of the drive means of the second articulating means in said back panel causes the pivotal movement of the back panel relative to the trunk panel.

Claim 13

In a surgical table structure having platform means including at least a back panel, a trunk panel, and one leg panel, a device for articulating a first panel relative to a second panel comprising, in combination: at least one elongated housing secured to a first panel of said platform means; a pair of spaced parallel transverse axes mounted at opposite ends of said housing; sprocket means mounted on each said axis; chain means entrained around said sprocket means, said chain means defining opposite intermediate strands extending between said sprocket means; toothed wheel means mounted on a first of said transverse axes; hydraulic drive means mounted in said housing and including a cylinder and a piston, said piston having one end received in said cylinder and the other end fixed to one of said intermediate strands; a third transverse axis transversely mounted to said housing in the vicinity of said first transverse axis and adapted to pivotally receive thereon a toothed portion of said second panel of said platform means for meshing engagement with said toothed wheel means whereby torque received on said first transverse axis through actuation of said chain means by said hydraulic drive means is transmitted from said toothed wheel means to the toothed portion of the second panel to thereby cause pivotal movement of the second panel relative to the first panel.

Claim 14

In a surgical table structure having platform means including at least a back panel, a trunk panel, and one leg panel, a device for articulating a first panel relative to a second panel comprising, in combination: at least one elongated housing secured to a first panel of said platform means; a pair of spaced parallel transverse axes mounted at opposite ends of said housing; sprocket means mounted on each said axis; chain means entrained around said sprocket means, said chain means defining opposite intermediate strands extending between said sprocket means; toothed wheel means mounted on a first of said transverse axes; hydraulic drive means mounted in said housing and including a cylinder and a piston, said piston having one end received in said cylinder and the other end fixed to one of said intermediate strands; a third transverse axis transversely mounted to said housing in the vicinity of said first transverse axis and adapted to pivotally receive thereon a toothed portion of said second panel of said platform means for meshing engagement with said toothed wheel means whereby torque received on said first transverse axis through actuation of said chain means by said hydraulic drive means is transmitted from said toothed wheel means to the toothed portion of the second panel to thereby cause pivotal movement of the second panel relative to the first panel.

Claim 15

In a surgical table structure, as defined in claim 10, said first panel is said trunk panel and said second panel is a leg panel.

Claim 16

In a surgical table structure, as defined in claim 11, a second similarly constructed articulating device provided in said back panel; the elongated housing of the articulating device in said trunk panel including a block fixedly secured to said housing adjacent the second of said pair of spaced transverse axes; said block having thereon a toothed portion to be meshed with the toothed wheel means of the second articulating device in said back panel whereby actuation of the drive means of the second articulating device in the back panel causes pivotal movement of the back panel relative to trunk panel, and actuation of the drive means of the articulating device in the trunk panel causes pivotal movement of the leg panel relative to the trunk panel.

Claim 17

In a surgical table structure having a trunk panel, vertical supporting frame means and carrier means slidably mounted to the supporting frame means, a mechanism for tilting the trunk panel in opposite directions with respect to the carrier means comprising: at least one elongated housing mounTed in the carrier means and including a bottom wall and opposite side walls; an elongate drive plunger longitudinally displaceable in said housing centrally thereof; drive means for displacing said plunger in said housing; a pair of elongate linking members respectively mounted in said housing on opposite sides of said drive plunger, each linking member being pivotally mounted at one end thereof to a transverse axis secured to an adjacent side wall of said housing, the transverse axes being parallel and longitudinally spaced in said housing; each of said linking members being provided with an elongated curved slot; said plunger including on each side wall thereof a projection means extending into an associated slot of said linking members; plate means extending longitudinally over said housing and having one end pivotally connected to one linking member at the end thereof opposite to the end pivotally mounted to a side wall of the housing and having the other end pivotally connected to the other linking member at the end thereof opposite the end pivotally mounted to the side wall of the housing; said slots being shaped whereby the longitudinal displacement of the plunger in said housing by said drive means and the resulting travel of said projection means in said slots cause the following positions: a first position where a first linking member is pivotally inclined with respect to the plane of the housing; a second position where both linking members are received in the same plane as the plane of the housing and the plunger; and a third position where the other linking member is pivotally inclined with respect to the plane of said housing and in opposite direction relative to the first position.

Claim 18

In a surgical table structure having a trunk panel, vertical supporting frame means and carrier means slidably mounted to the supporting frame means, a mechanism for tilting the trunk panel in opposite directions with respect to the carrier means comprising: at least one elongated housing mounTed in the carrier means and including a bottom wall and opposite side walls; an elongate drive plunger longitudinally displaceable in said housing centrally thereof; drive means for displacing said plunger in said housing; a pair of elongate linking members respectively mounted in said housing on opposite sides of said drive plunger, each linking member being pivotally mounted at one end thereof to a transverse axis secured to an adjacent side wall of said housing, the transverse axes being parallel and longitudinally spaced in said housing; each of said linking members being provided with an elongated curved slot; said plunger including on each side wall thereof a projection means extending into an associated slot of said linking members; plate means extending longitudinally over said housing and having one end pivotally connected to one linking member at the end thereof opposite to the end pivotally mounted to a side wall of the housing and having the other end pivotally connected to the other linking member at the end thereof opposite the end pivotally mounted to the side wall of the housing; said slots being shaped whereby the longitudinal displacement of the plunger in said housing by said drive means and the resulting travel of said projection means in said slots cause the following positions: a first position where a first linking member is pivotally inclined with respect to the plane of the housing; a second position where both linking members are received in the same plane as the plane of the housing and the plunger; and a third position where the other linking member is pivotally inclined with respect to the plane of said housing and in opposite direction relative to the first position.