JP6888977B2 - Operating table - Google Patents

Description

The present invention relates to an operating table, particularly to an operating table provided with a transfer plate that can be moved to another examination device without holding the patient during surgery.

For example, during a surgical operation, an image diagnosis may be performed using an image diagnosis device such as an MRI device. When moving an anesthetized patient from the operating table to the diagnostic imaging apparatus, it is necessary to move the patient without raising the patient in consideration of the burden on the patient.

In order to meet such demands, as shown in FIG. 1, the transfer plate on which the patient is placed can be moved between the operating table and the MRI device provided in a separate room via a trolley and is anesthetized. A system for moving a patient without raising it is known (see Patent Document 1).

In this system, the trolley can be interconnected between the operating table and the MRI device, and the operating table, the trolley, and the MRI device are guided so that the transfer plate on which the patient is placed can be moved horizontally. A mechanism is provided.

Then, after connecting the operating table and the trolley, moving the transfer plate placed on the operating table in the horizontal direction and moving it to the trolley, the trolley is moved to the room where the diagnostic imaging device is installed. Then, the transfer plate moved from the operating table to the trolley is moved in the horizontal direction and moved to the diagnostic imaging apparatus to perform diagnostic imaging. After the diagnostic imaging, the transfer plate is moved to the trolley and the operating table in this order, so that the surgical operation can be performed according to the diagnostic imaging.

Japanese Patent No. 5038651

By the way, as an example of this kind of system, the operating table is provided with a guide mechanism for guiding the transfer plate in the horizontal direction and a fixing mechanism for fixing the transfer plate at a predetermined position. .. For example, this fixing mechanism includes a fixing means for fixing the transfer plate in the width direction, and when the transfer plate is sent to a predetermined fixing position, the transfer plate is manually fixed by using the fixing means.

Therefore, if the transfer plate is displaced from the fixed position, it may not be possible to fix the transfer plate, which may be troublesome. If it takes time to move the patient, it will put a burden on the patient, so it is necessary to move the patient as quickly and reliably as possible.

Therefore, in order to solve an example of such a problem, an object of the present application is to provide an operating table in which a transfer plate on which a patient is placed can be quickly and surely fixed without any trouble.

In order to solve the above-mentioned problems, the operating table (S) according to claim 1 is a transfer plate (11) on which a patient is placed and a main body capable of sliding the transfer plate in one direction and accepting the transfer plate (S). (30) and fixing means (50, 60) for positioning and fixing the transfer plate on the main body, the fixing means automatically holds the transfer plate at a predetermined position of the main body. A first fixing means (50) for fixing and a second fixing means (60) for manually fixing the transfer plate after the transfer plate is fixed by the first fixing means are provided. The transfer plate has recesses on its side surface, and the main body is provided with a protrusion that projects inward from both sides and is arranged with a gap in the recess. It is characterized in that it can be attached and detached by moving in the vertical direction with respect to the main body.

A part of the transfer plate is automatically fixed at the fixed position, and then the other part of the transfer plate is manually fixed, so the transfer plate can be quickly and reliably fixed without the trouble of adjusting the position. It is possible to fix it to.

It is a schematic diagram which shows an example of the system which can move without changing a patient. It is a schematic diagram which shows the appearance example of the operating table. FIG. 3A is a schematic view showing a configuration example of the transfer plate, FIG. 3A is a view showing the overall configuration of the transfer plate, FIG. 3B is a view showing the bottom surface of the back frame, and FIG. 3C is a diagram. Is a diagram showing a vertical cross section of the transfer plate. It is a top view of the table top. It is a schematic view which shows the appearance example of the protrusion, FIG. 5A is a front view, and FIG. 5B is a plan view. It is a schematic diagram which shows the mounting example of the projecting body. It is a schematic diagram for demonstrating the arrangement example of the protrusion. It is a schematic diagram which shows an example of the 1st fixing mechanism. It is sectional drawing for demonstrating operation of a hook. It is a schematic diagram which shows an example of the 2nd fixing mechanism. It is a schematic diagram which shows the operation example of the 2nd fixing mechanism, FIG. 11A is a figure which shows an example of releasing the fixing of the transfer plate, and FIG. 11B is the figure which shows the example of fixing the transfer plate. is there. FIG. 12A is a schematic view showing a configuration example of the first auxiliary fixing mechanism, FIG. 12A is a view showing an appearance example, FIG. 12B is a view showing a vertical cross-sectional example of FIG. 12A, and FIG. c) is a diagram showing a mounting example. It is a schematic diagram which shows the structure of the 2nd auxiliary fixing mechanism, and the mounting example.

Hereinafter, embodiments of the present invention will be described based on the examples of the present invention shown in the accompanying drawings. In the operating table S of the present embodiment, the end face on the foot side of the patient of the table top 30 is referred to as one end face of the table top 30, and the end face of the patient on the head side of the table top 30 is referred to as the other end face. There is. Further, as shown in FIG. 2, in the table top 30, for convenience, the head side of the patient will be described as anterior and the foot side of the patient will be described as posterior.

The operating table S of the present embodiment is used, for example, when image diagnosis by the MRI apparatus 5 is required during a surgical operation performed in neurosurgery, and the patient is lifted from the operating table S and the trolley 7 is used. It is possible to move the patient to the MRI apparatus 5 by moving the patient together with the transfer plate 11 without transferring to the MRI apparatus 5.

In the present embodiment, an example of moving from the operating table S to the MRI device 5 via the trolley 7 is shown, but the patient may be moved directly to the MRI device 5 without using the trolley 7, or the patient may be moved directly to the MRI device 5. The destination of the patient is not limited to the MRI apparatus 5, and may be a different type of examination apparatus or treatment apparatus depending on the form of surgery.

First, a method of moving a patient to the MRI apparatus 5 using the operating table S of the present embodiment will be described.

As shown in FIG. 1, the operating table S and the MRI device 5 are installed in separate rooms, for example, separated by a wall 2, and the operating table S and the MRI device 5 can be connected to each other by using a trolley 7. .. The operating table S, the trolley 7, and the MRI apparatus 5 have a transfer plate 11 on which the patient is placed, and a guide mechanism capable of guiding the transfer plate 11 in the horizontal direction. Since the operating table S, the trolley 7, or the MRI apparatus 5 including the guide mechanism and the coupling mechanism are generally known, the description thereof will be omitted.

Then, when moving the patient from the operating table S to the MRI apparatus 5, after connecting the trolley 7 to the operating table S, the transfer plate 11 on the operating table S is placed on the table of the trolley 7 via the guide mechanism. After moving, the trolley 7 is moved into the room where the MRI device 5 is provided, the trolley 7 is coupled to the MRI device 5, and the transfer plate 11 is moved from the trolley 7 to the MRI device 5 via the guide mechanism. To do. The movement of the patient from the MRI apparatus 5 to the operating table S is performed in the reverse procedure.

Next, the operating table S of the present embodiment will be described in detail.

As shown in FIG. 2, the operating table S includes, for example, a base 25 placed on the floor of the operating room, a column 26 standing on the base 25, and a table 10 mounted on the column 26. It has.

A caster (not shown) is attached below the base 25, and the caster allows the operating table S to freely move the floor surface of the operating room. It should be noted that this caster is not an essential component and is provided as needed.

An elevating mechanism is housed in the column 26, and the height of the table 10 can be changed in the vertical direction, and the table 10 can be adjusted to a predetermined height. By this elevating mechanism, the height of the table 10 is adjusted according to the height of the table of the trolley 7.

The table 10 includes a transfer plate 11 on which the patient is placed, and a table top 30 (main body of the present application) that supports the transfer plate 11 downward.

The transfer plate 11 has a substrate made of a non-magnetic material such as a resin such as FRP, and a material that is not affected by a magnetic field is preferably used. As shown in FIG. 3, the surface of the transfer plate 11 is formed to be flat, and as shown in FIG. 3 (c), the transfer plate 11 is placed on the central portion 16 on which the patient is placed and on both sides of the central portion 16. It is formed with a side surface portion 18 formed higher than the central portion 16 via a step 17 inclined outward and upward. Further, on the back side of the side surface portion 18, as shown in FIGS. 3 (b) and 3 (c), a projecting body 19 projecting outward from the lower surface of the central portion 16 is formed, and FIG. 3 (c) shows. As shown in the above, it has a recess 20 formed in a substantially C shape by the side surface portion 18 and the projecting body 19. Further, in the present embodiment, as shown in FIG. 3B, a part of the protruding body 19 has a notch 21 in which a recess is formed inward.

As shown in FIG. 3A, the transfer plate 11 includes frame bodies 11a to 11c divided into a back portion (including a head), a waist portion, and a leg portion, and each frame body 11a to 11c includes frames 11a to 11c. , Has a size and strength that allows each part of the patient to be placed. The frame bodies 11a to 11c are connected to each other via a hinge 12 so as to be rotatable (bent) in the vertical direction. The hinge 12 is made of resin and can be easily cleaned even when the body fluid of the patient undergoing surgery adheres to the hinge 12.

In the present embodiment, the above-mentioned cutout portion 21 is formed in a projecting body 19 formed in the frame body 11a of the back portion, and the indenter 61 of the first fixing mechanism 60 described later is fitted into the cutout portion 21. (See FIG. 11).

The hinge 12 is arranged so as to coincide with the pivot 34 of the table top 30, and the transfer plate 11 is smoothly bent as the table top 30 is bent. Therefore, when the table top 30 is configured to be partially bendable, the position of the hinge 12 is appropriately set according to the form, and when the table top 30 does not have the bending mechanism, one frame is used. It may be formed by the body.

As shown in FIGS. 2 and 4, the table top 30 is provided through a central portion 31 having a size capable of placing a patient and steps 32 provided upright on both sides of the central portion 31 in the vertical direction. It has a side surface portion 33 formed higher than the central portion 31, and the surfaces of the respective portions 31 and 33 are formed flat.

Further, as shown in FIG. 2, the table top 30 includes, for example, divided frame portions 31a to 31c corresponding to the back (including the head), the waist, and the legs of the patient, and each frame portion. 31a to 31c have a size capable of supporting each part of the patient. The frame portions 31a to 31c are flexibly connected via a pivot 34 extending in the width direction, and are configured to be rotatable in the vertical direction.

As shown in FIG. 2, the table top 30 of the present embodiment is configured so that the posture of the patient can be changed by rotating (bending) each of the frame portions 31a to 31c. It may be formed in an impossible flat shape.

A moving mechanism 35 for moving the transfer plate 11 is provided on the upper surface of the side surface portion 33. The moving mechanism 35 manually moves the transfer plate 11 from the table top 30 of the operating table S onto the trolley 7 (or MRI device 5). The moving mechanism 35 is, for example, a resin roller 36, and a plurality of the moving mechanisms 35 are provided at a predetermined interval in the front-rear direction (length direction) of the upper surface of the side surface portion 33. The roller 36 is rotatably attached to a shaft extending in the width direction so that a part thereof protrudes from the upper surface of the side surface portion 33. The lower end of the side surface portion 18 of the transfer plate 11 comes into contact with the roller 36, and the transfer plate 11 can be moved in the front-rear direction by the rotation of the roller 36.

In this way, the side surface portion 18 of the transfer plate 11 is supported by the roller 36 attached to the upper portion of the side surface portion 33 of the table top 30, and the central portion 16 floats above the central portion 31 of the table top 30. Is supported. Then, by applying an external force to the transfer plate 11 in the front-rear direction, the roller 36 rotates and the transfer plate 11 can be moved.

Further, the step 32 formed on the table top 30 is provided with a plurality of projecting bodies 38 projecting inward with a predetermined interval in the front-rear direction (length direction) thereof. The projecting body 38 is provided to prevent the transfer plate 11 from rising and to promote the smooth movement of the transfer plate 11.

As shown in FIGS. 5 and 6, the projecting body 38 has a main body 38a and a projecting portion 38b formed at the tip thereof, and the main body 38a has a through hole 38c for screwing in the vertical direction. It is formed. A space 33a is formed on the upper surface of the side surface portion 33 of the table top 30 so that the main body portion 38a can be detachably received and taken out in the vertical direction so that the protruding portion 38b projects inward from the side surface portion 33. After the main body 38a is inserted into the space 33a, the main body 38a is fixed to the table top 30 by a fixing tool 39 such as a screw through the through hole 38c.

Further, as shown in FIG. 7, the projecting portion 38b of the projecting body 38 is received in the recess 20 of the transfer plate 11, and is connected to the transfer plate 11 so as to avoid contact with the recess 20. It is arranged with a predetermined clearance between them. The shape of the protrusion 38b is formed in a substantially triangular shape having a horizontal plane 38d formed parallel to the surface of the table top 30. By making the lower end surface of the projecting portion 38b a horizontal plane, a large gap C can be formed between the projecting portion 38b and the projecting body 19 formed on the transfer plate 11, and is generated when, for example, is connected to another device. It is possible to easily prevent contact and damage due to vertical swing of the transfer plate 11 caused by a minute step or the like.

Further, even if the projecting portion 38b is damaged, the projecting body 38 is fixed by the fixture 39 so that the projecting body 38 can be easily attached and detached by the operating tool from above. By removing the fixture 39, it can be taken in and out in the vertical direction and attached / detached, and its replacement can be easily performed.

The shape of the protruding portion 38b is not particularly limited, and if it is not expected to swing in the vertical direction when the transfer plate 11 is moved, which one should fit in the recess 20 of the transfer plate 11. It may have such a shape.

Further, as shown in FIGS. 2 and 4, a regulator 40 for restricting the movement of the transfer plate 11 is provided on the rear end surface of the table top 30. The regulator 40 stands at the center of the rear end surface of the table top 30 and physically stops the movement of the transfer plate 11. Therefore, in the operating table S of the present embodiment, the transfer plate 11 can be received from the front end face in the table top 30 and can be pulled out.

Further, the operating table S of the present embodiment includes a fixing device (fixing means of the present application) for fixing the transfer plate 11 to the table top 30. This fixing device is a first fixing mechanism 50 (first in the present application) that automatically fixes one end of the transfer plate 11 to the table top 30 when the transfer plate 11 is completely received on the table top 30. (Fixing means), and then a second fixing mechanism 60 (second fixing means of the present application) for manually fixing both sides of the transfer plate 11 to the table top 30.

The first fixing mechanism 50 is provided at the central portion of the housing 40a constituting the regulating body 40, and is performed by fixing the projecting body 15 protruding in the length direction from the end surface of the transfer plate 11.

As shown in FIG. 8, an opening 40b is formed on the side surface of the restricting body 40 that comes into contact with the projecting body 15 due to the movement of the transfer plate 11, and the projecting body 15 is placed in the housing 40a of the restricting body 40. It has a receiving space 40c.

As shown in FIG. 9, in this space 40c, a pair of left and right hooks 42 fitted with recesses 15a formed on the upper surface of the projecting body 15 extend on a rotating shaft 43 in the width direction, and a compression coil spring ( (Not shown) is urged in one direction indicated by arrow A in the figure and rotatably supported.

As shown in FIG. 9, the hook 42 has a convex portion 42a that can be engaged with the concave portion 15a of the projecting body 15, and the transfer plate 11 has the convex portion 42a inserted into the concave portion 15a by the rotation of the hook 42. It is fixed to the table top 30 by being engaged with the table top 30.

The outer peripheral surface of the hook 42 has a cam surface 42c formed by a flat inclined portion. As shown by the arrow Y in the drawing, the cam surface 42c is formed so as to be inclined diagonally rearward with respect to the traveling direction of the projecting body 15, and when the projecting body 15 comes into contact with the projecting body 15, the convex portion 42a of the hook 42 is moved upward. It is possible to push up to. Therefore, when an external force is applied in the horizontal direction to the cam surface 42c, the hook 42 rotates in the opposite direction against the urging force of the compression coil spring, as shown by the alternate long and short dash line in FIG. It rides on the upper surface of the projecting body 15. At that time, since the hook 42 is urged in the direction of arrow A by the restoring force of the compression coil spring, the protruding body 15 further enters the hook 42 side, so that the hook 42 is inserted into the recess 15a formed in the protruding body 15. The convex portion 42a of the above is inserted and the transfer plate 11 is fixed to the table top 30.

Further, the pair of hooks 42 are provided with a handle 45 for operation that can be rotated around the rotation axis of the hook 42, and by operating the handle 45, the hook 42 is urged by the compression coil spring. Can rotate in the opposite direction. Therefore, when releasing the fixing of the hook 42, the handle 45 for the operation may be manually rotated to rotate the hook 42 in the direction opposite to the arrow A direction in the drawing.

Specifically, when the transfer plate 11 fixed to the table top 30 is pulled out (moved), the handle 45 for operation is operated, and by rotating the hook 42 in the opposite direction, the convex portion of the hook 42 is operated. The 42a is escaped from the recess 15a of the projecting body 15 to release the fixing of the projecting body 15 by the hook 42, the transfer plate 11 is advanced, and the projecting body 15 is separated from the opening 40b to completely separate the transfer plate 11 from the opening 40b. The fixing to the table top 30 is released.

Further, the second fixing mechanism 60 is performed by fixing both sides of the transfer plate 11 as shown in FIG. 2, for example, as shown in FIGS. 10 and 11, the frame on the back of the transfer plate 11. It is provided in the housing of the side surface portions 33 of the table top 30 existing on both sides of the body 11a, and the transfer plate 11 is fixed to the table top 30 by pressing both sides of the transfer plate 11 with the indenter 61.

As shown in FIG. 2, an opening 32a through which the indenter 61 is taken in and out is formed in the step 32 of the table top 30 located on both sides of the frame 11a, and as shown in FIG. 10, the inside of the housing of the side surface portion 33 thereof. A space 32b communicating with the opening 32a is formed across the housing in the width direction, and a second fixing mechanism 60 is attached using this space 32b.

As shown in FIGS. 10 and 11, the second fixing mechanism 60 has an indenter 61 that presses the side surface of the frame body 11a, a pressing position where the side surface of the frame body 11a is pressed by the indenter 61, and the indenter 61. It is provided with a reciprocating mechanism portion 62 that reciprocates between the retracted position separated from the side surface of 11a and an operation handle 65 that operates the reciprocating mechanism portion 62. The handle 65 is attached so as to project outward from the side surface of the table top 30.

As shown in FIG. 11, the reciprocating mechanism portion 62 includes a guide pipe 66, a piston 67 that can move in the guide pipe 66, and a coil spring 68 that urges the piston 67 in the indenter direction. Further, one end of the piston 67 is connected to the indenter 61, and the other end is connected to the operation handle 65 via a fixing plate 64 fixed to the side surface 33 of the table top 30. The piston 67 is formed with a step, a coil spring 68 is arranged between the step and the fixing plate 64, and the piston 67 is urged toward the indenter 61 side.

Further, the outer peripheral surface of the piston 67 is provided with a projecting body 71 projecting outward, the guide pipe 66 has a cam surface 72 engaging with the projecting body 71, and as shown in FIG. 11, the operation handle 65 The projecting body 71 moves the cam surface 72 by the rotation operation to reciprocate the indenter 61 between the pressing position and the retracting position.

The cam surface 72 has a horizontal portion 72a orthogonal to the axial direction of the piston 67 and an inclined portion 72b, and as shown in FIG. 11A, the coil is formed when the projecting body 71 is on the horizontal portion 72a. The spring 68 is compressed, the piston 67 moves outward as shown by the arrow in the figure, and the indenter 61 is operated to the retracted position. When the indenter 61 is operated to the retracted position, the transfer plate 11 is released from being fixed, and the transfer plate 11 can move on the table top 30. On the other hand, the operation handle 65 is manually rotated, and as shown in FIG. 11B, the projecting body 71 moves the cam surface 72 and moves the inclined portion 72b, so that the piston 67 is driven by the restoring force of the coil spring 68. Is moved inward and the indenter 61 is operated to the pressing position as shown by the arrow in the figure, and the transfer plate 11 is fixed by the indenter 61.

Then, the indenter 61 is pressed against the notch 21 formed in the protruding body 19 of the back frame body 11a and fitted. The cutout portion 21 has a tapered surface 21a whose side surface on the rear side of the frame plate 11a is reduced inward. On the other hand, the shape of the indenter 61 is also formed in the same manner as the shape of the notch 21, and when the indenter 61 is fitted into the notch 21, the transfer plate 11 is pulled backward to fit. Therefore, play is less likely to occur.

Further, a pair of anti-rotation pins 63, 63 for preventing the indenter 61 from rotating due to the rotation of the piston 67 are attached to the left and right of the indenter 61, and the rotation is provided in the hole 69 formed in the housing. The prevention pins 63 and 63 are housed so that they can be taken in and out. The indenter 61 is freely rotatably connected to the piston 67.

As described above, the operating table S of the present embodiment is the first fixing mechanism 50 that automatically fixes one end of the transfer plate to the table top 30 when the transfer plate 11 moves to one end surface of the table top 30. A second fixing mechanism 60 for manually fixing both sides of the transfer plate to the table top 30 after the transfer plate is fixed by the first fixing mechanism. Therefore, according to the operating table S of the present embodiment, the transfer plate 11 can be quickly and surely fixed to the table top 30 at a predetermined position without the trouble of adjusting the position for fixing. .. Further, by using a mechanism for automatically fixing the transfer plate 11 and a mechanism for manually fixing the transfer plate 11, it is possible to prevent forgetting to fix the transfer plate 11 and reduce the risk of forgetting to fix the transfer plate 11. Can be easily planned.

Further, the first fixing mechanism 50 is provided on one end surface of the table top 30, and by preventing contact with body fluids and the like during surgery, it is possible to save time and effort such as cleaning after use.

Further, the second fixing mechanism 60 is fixed on both sides of the patient's head side from the center, and the transfer plate 11 is fixed at three points of a substantially triangular shape including the first fixing mechanism 50 which is automatically fixed. By doing so, the transfer plate 11 can be easily and firmly fixed to the table top 11.

Further, the operating table S of the present embodiment includes an auxiliary fixing device for fixing the transfer plate 11 to the table top 30. This auxiliary fixing device includes a first auxiliary fixing mechanism 70 operated from above the table top 30, and a second auxiliary fixing mechanism 90 operated from the side of the table top 30.

As shown in FIGS. 2 and 12 (c), the first auxiliary fixing mechanism 70 is detachably attached to the upper surface of the transfer plate 11, and has the same axis on the upper surface of the transfer plate 11 and the table top 30. It is inserted into the holes 81 and 82 and fixed.

As shown in FIGS. 12A and 12B, the first auxiliary fixing mechanism 70 has a main body 70A, and the main body 70A has a cylindrical guide 71 and a pin that can move in the guide 71. A 72, a spring member 73 for urging the pin 72 upward (in one direction), and a fixing sphere 74 arranged between the guide 71 and the pin 72 are provided.

An opening 71a through which a part of the sphere 74 can be taken in and out is provided below the outer peripheral surface of the guide 71, and a recess 72a having an inclined portion is provided on the outer peripheral surface of the pin 72.

Then, when the pin 72 is pushed against the urging force of the spring member 73 and the spring member 73 is compressed, the sphere 74 moves into the recess 72a as the pin 72 moves downward, and the sphere 74 moves into the guide 71. The guide 71 can be moved, and the guide 71 can be inserted into the holes 81 and 82 formed on the upper surfaces of the transfer plate 11 and the table top 30. After inserting the pin 72 into the holes 81 and 82, by removing the external force on the pin 72, the sphere 74 moves from the recess 72a and is pressed outward by the outer peripheral surface of the pin 72, and the sphere 74 is pressed outward with the side surface of the hole 82. By engaging, the guide 71 is fixed in the hole 82 of the table top 30. A recess for receiving the outer peripheral surface of the sphere 74 is formed on the side surface of the hole 82 in contact with the sphere 74.

Next, as shown in FIGS. 2 and 13, the second auxiliary mechanism 90 is attached to the side surface of the table top 11 and is inserted and fixed in the holes 83 and 84 formed in the side surface of the table top 30. It is a thing.

As shown in FIG. 2, the second auxiliary mechanism 90 is detachably fixed to the end surface of the table top 30 to prevent the transfer plate 11 from moving to the other side of the transfer plate 11. A plate 91 having a size of an area including a part and a part of a table top, and a main body 70A and a projecting body 93 attached to the plate 91 are provided. Since the main body 70A has the same structure as the first auxiliary fixing mechanism 70, the description thereof will be omitted.

In the main body 70A, one end side provided with the pin 72 is projected toward the front surface side of the plate 91, and the other end side provided with the sphere 74 is projected from the back surface side of the plate 91 to form a penetration (not shown) formed in the plate 91. It is inserted and attached to the hole. Further, the projecting body 93 is provided so as to project from the back surface of the plate 91.

Then, in a state where the pin 72 is pushed in and the sphere 74 can be moved into the recess 72a, the main body 70A and the protruding body 83 protruding from the back surface side of the plate 91 are inserted into the holes 83 and 84 of the table top, and then the protruding body 83 is inserted. By removing the external force on the pin 72 and projecting the sphere 74 to project the sphere 74 in the hole 83 of the table top 30, the plate 91 is fixed to the table top 30 and the transfer plate 11 is moved. To prevent. A recess for receiving the outer peripheral surface of the sphere 74 is formed on the side surface of the hole 83 in contact with the sphere 74.

According to such a first or second auxiliary fixing mechanism 70, 90, the transfer plate 11 can be easily and surely fixed to the table top 30, which is convenient. Moreover, since it has a simple structure, the manufacturing cost can be reduced.

The first or second auxiliary fixing mechanisms 70 and 90 are particularly used when the safety aspect is considered in double or triple, and are not indispensable configurations, and are appropriately requested. It is to be installed.

It should be noted that this embodiment is one embodiment and is not limited to this embodiment.

S Operating table 11 Transfer plate 30 Table top 50 First fixing mechanism 60 Second fixing mechanism

Claims (3)

A transfer board on which the patient is placed and
A main body that can slide and accept the transfer plate in one direction,
A fixing means for positioning and fixing the transfer plate on the main body is provided.
The fixing means includes a first fixing means for automatically fixing the transfer plate at a predetermined position of the main body, and the transfer plate after the transfer plate is fixed by the first fixing means. Provided with a second fixing means for manually fixing,
The transfer plate has a recess on the side surface.
The main body is provided with a projecting body that projects inward from both sides and is arranged with a gap in the recess.
The operating table is characterized in that the projecting body is movable in the vertical direction with respect to the main body and is removable. 1. The first fixing means is provided on one end surface of the main body, and the second fixing means is provided on both sides of the other main body from the center of the transfer plate. The operating table described in. The transfer plate includes a frame body formed by dividing the transfer plate.
The operating table according to claim 1 or 2 , wherein the frames are flexibly connected by a resin hinge.

Images