JP2003204922A - Bed for endoscopic examination - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bed for endoscopic examination on which an examinee can pose in the posture peculiar for endoscopic examination, and by which the examination is effectively executed. <P>SOLUTION: The bed 3 is composed of a backrest part 10, a hip receiving part 20 and a leg receiving part 30. A leg receiving part frame 31 and a backrest part frame 11 are rotatably connected to the rotary shaft 24 of a hip receiving part frame 21. A link mechanism is constituted by the frame 11 rotatable against the frame 21 and a stay 25 for rotation. The tip part of a sliding shaft 41 of a gas spring 40 is fixed to the frame 21, and its other end part is fixed to the frame 11. A chair state at a prescribed angle is obtained by rotating the frame 11 against the frame 21 by making expansion and contraction of the sliding shaft 41 of the gas spring 40 to a free state. Also, the leg receiving part 30 and a foot receiving part 35 become a horizontal bed state being linked to the action of the backrest part 10 by reclining the backrest part 10. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscopic examination bed on which a subject lies when an endoscope is inserted into a body cavity of the subject for diagnosis and treatment.

[0002]

2. Description of the Related Art When an endoscope is inserted into a body cavity of a subject for diagnosis and treatment, the subject is generally lying on a fixed bed installed in an examination room. It was

In addition, in order to reduce the burden on the examinee's movement and inspection, it is not necessary to get on and off the examinee from the pretreatment to the diagnosis / treatment and the posttreatment after the diagnosis / treatment. A series of endoscopic treatments are performed while being placed on the letcher.

[0004]

However, in a normal stretcher, there is no reclining mechanism for adjusting the angle of the backrest, and even if there is a reclining mechanism, pretreatment or post-treatment after the examination or after the examination is completed. At times, the reclining mechanism was insufficient to allow the subject to take the posture peculiar to endoscopy.

Further, in the above-mentioned stretcher, since the bed is raised and lowered by manually operating the handle, the handle operation is a burden to a weak nurse.

Further, since the floor area of the stretcher is not much different from the floor area of the fixed bed, it is difficult to reverse the movement of the examinee when the direction of the subject is reversed, such as during simultaneous upper and lower inspections, when the examination room is narrow. There was a problem.

The present invention has been made in view of the above circumstances. The subject can easily take the posture peculiar to endoscopy and the burden on the subject can be reduced, and the burden on the operator and nurses can be reduced. It is an object of the present invention to provide an endoscopic examination bed that has a small number of parts and can efficiently perform an examination under endoscopic observation.

[0008]

The endoscopic examination bed of the present invention comprises a base member and a bed installed on the base member, and is movable by a caster attached to the base member. In the bed for endoscopic examination, the bed is composed of at least a backrest portion, a waist receiving portion, and a leg receiving portion, and the bed has a turning means for turning the backrest portion below a horizontal position of the waist receiving portion. And

According to this structure, by swiveling the backrest portion downward from the horizontal position of the waist receiving portion, it is possible to make the subject easily take a peculiar examination posture during endoscopic examination. Becomes

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 relate to a first embodiment of the present invention, FIG. 1 is an explanatory view showing a schematic configuration of an endoscopic examination bed, and FIG. 2 is a swivel position fixing means provided in the endoscopic examination bed and FIG. 3 is a partial cross-sectional view illustrating the elevating means, and FIG. 3 is a view illustrating a bed state and a chair state of the endoscopic examination bed.

As shown in FIGS. 1A and 1B, an endoscopic examination bed 1 of the present invention is mainly composed of a base frame 2 which is a base member and a bed 3. The frame 2 and the bed 3 are connected and fixed to the base frame 2 via an elevating means 6 for moving the bed 3 up and down. Casters 5 for movement are arranged at the four front and rear corners of the base frame 2.

First, the bed 3 will be described. The bed 3 includes a backrest portion 10, a waist receiving portion 20, and a leg receiving portion 30.
And the backrest portion 10 and the waist receiving portion 2
0 and the leg receiving portion 30 are respectively the backrest frame 1
1, waist receiving frame 21 and leg receiving frame 31
Backrest mattress 12 and waist support mattress 2
2. The leg receiving mattress 32 is detachably provided via a joining member such as a magic tape (R) not shown. The leg receiving portion 30 has a foot receiving portion 3 which will be described later.
5 are provided.

Protrusions 23 are provided on the front and rear sides of the waist receiving frame 21, and a waist receiving rotary shaft 24 is provided on the protrusions 23. The waist receiving portion rotation shaft 24 provided on the protruding portion 23 on the front side portion is rotatably connected to a bearing portion (not shown) of the leg receiving portion frame 31, and is provided on the rear side portion. A waist receiving portion rotating shaft 24 provided on the protruding portion 23 is rotatably connected to a bearing portion (not shown) of the backrest frame 11.

The backrest frame 11 and the leg receiving frame 31 which are rotatably connected to the waist receiving frame 21 are arranged in a pair below the waist receiving frame 21. Are connected by a turning stay 25, and a connecting portion between one end of the turning stay 25 and the backrest frame 11 and a connecting portion between the other end of the turning stay 25 and the leg receiving frame 31. Is rotatable. Therefore, the backrest frame 11, the waist receiving frame 21, the leg receiving frame 31, and the turning stay 25 form a link mechanism.

The leg receiving portion rotating shaft 33 provided at the end portion of the leg receiving portion frame 31 on the tip end side includes the foot receiving portion 3
5 is rotatably connected to a bearing portion (not shown).
To the foot receiving portion 35, one end portions of a pair of foot receiving stays 34 arranged below the leg receiving portion frame 31 are rotatably connected to a stay rotating shaft 36, and
The other end of the foot receiving stay 34 is rotatably connected to a stay rotating shaft 26 provided on the waist receiving frame 21. Therefore, the waist receiving frame 21
The leg receiving frame 31, the leg receiving portion 35, and the foot receiving stay 34 form a link mechanism.

As shown in FIGS. 2 (A) and 2 (B), a gas spring 4 serving as a turning position fixing means and a turning biasing means is provided in the waist receiving portion frame 21 in parallel with the turning stay 25.
A pair of 0s is arranged. The tip portion of the sliding shaft 41 of the gas spring 40 is integrally fixed to a front bracket 43 provided on the back surface side of the waist receiving frame 21 via a block 42.
The other end of 0 is fixed to the backrest frame 11.

The sliding shaft 41 is fixed to the block 42 so that the lock release pin 40a provided on the gas spring 40 expands and contracts, and the lock release pin 40a pivotally operates on the tip end surface of the lock release pin 40a. Thus, the recess 44a of the lever 44 for operating the lock release pin 40a is provided. Therefore, the lock release pin 40a is pushed in by rotating the lever 44 in the clockwise direction.

One end of a wire 46 that constitutes a driving wire member 45 is connected to one end of the lever 44. The drive wire member 45 includes an outer tube 47 having the wire 46 and an inner hole through which the wire 46 is inserted.
The exterior tube 47 is fixed between the block 42 and the rear bracket 48. The other end of the wire 46 is guided to the backrest frame 11 side via a pulley or the like (not shown).

As shown in FIG. 1 (A), the backrest frame 11 is substantially U-shaped and is formed by a hollow pipe member having two openings 13 on the left and right inner surfaces, which are provided at substantially two positions. A bar 14 is provided. The wire 46 guided to the side of the backrest frame 11 is inserted into the holding bar 14 and exposed between the openings 13 provided on the left and right sides, respectively, and the other end is located at the end of the holding bar 14. It is fixed.

As a result, the wire 46 exposed between the openings 13 formed in the holding bar 14 is
By gripping and pulling, the lever 44 provided on the block 42 rotates clockwise, and the lock release pin 40a of the gas spring 40 as the turning position fixing means is pushed in to expand and contract the sliding shaft 41. With the backrest frame 11 in the free state, the waist receiving frame 2
It is possible to make a reclining motion by turning the position 1 with respect to 1. Then, when the backrest frame 11 is tilted at a desired angle, the gas spring 40 is locked by releasing the hand from the wire 46, and the backrest frame 11 is held at a desired angle in a chair state. become.

When the backrest portion 10 is swung with respect to the waist receiving portion 20 in a tilting direction which is horizontal to the floor, for example, the swivel stay 25 connected to the backrest portion frame 11 is opened. By moving in the distal direction, the leg receiving portion frame 31 is pushed, and the leg receiving portion 30 is centered on the waist receiving portion rotating shaft 24 provided in the waist receiving portion frame 21 in the direction of arrow a. (Fig. 2
(See (A)).

Further, as the leg receiving portion 30 rotates and moves in the direction of arrow a, the foot receiving portion 35 is pulled by the foot receiving stay 34 connected to the waist receiving portion frame 21, and The foot receiving portion 35 falls down in the direction of arrow b (see FIG. 2A) around the leg receiving portion rotating shaft 33.

That is, the backrest portion 10 is connected to the waist receiving portion 20.
The leg receiving portion 30 and the foot receiving portion 35 are swung in a direction in which the leg receiving portion 30 and the foot receiving portion 35 are in a horizontal state so that the backrest portion 1
In conjunction with the turning motion of 0, a horizontal bed state is obtained as shown in FIG.

When the backrest portion 10 is swung in the direction in which it is raised with respect to the waist receiving portion 20, contrary to the above, the swivel stay 2 connected to the backrest portion frame 11 is rotated.
5 is pulled, the leg receiving part frame 31 is pulled, and the leg receiving part 30 rotates about the waist receiving part rotation shaft 24 of the waist receiving part frame 21 in the direction opposite to the arrow a. At this time, the backrest frame 11 swivels into a chair state with almost no force applied to the backrest frame 11 by the extending force of the sliding shaft 41 of the gas spring 40 serving as a swirling biasing means.

Further, as the leg receiving portion 30 rotates in the direction opposite to the arrow a, the foot receiving portion 35 is connected by the foot receiving stay 34 connected to the waist receiving portion frame 21.
It pushes into place as if it were pushed out.

The exposed positions of the wire 46 exposed from the holding bar 14 are not limited to two, but may be more or less than that.

Further, the backrest portion 10 and the waist receiving portion 2
Side arms 51 and 52 are provided on both sides of 0 to prevent the subject from falling. Further, the foot receiving portion 35 is provided with a gripping portion 35 a so that the leg receiving portion 30 can be swung with respect to the waist receiving portion 20.

Next, the elevating means will be described. Lifting means 6 for connecting the base frame 2 and the bed 3
As shown in FIG. 1, a pillar 61 protruding from the base frame 2 and the waist receiving frame 2
1. A link mechanism composed of a frame column 62 protruding from the bottom of the first column, and two lifting stays 63 and 64 rotatably juxtaposed to and connected to the column 61 and the frame column 62; The hydraulic cylinder 65 is rotatably attached to the base frame 2.

The sliding tip portion 65a of the hydraulic cylinder 65
Is rotatably attached to the elevating stay 63, which is located on the upper side in the figure, of the elevating stays 63 and 64.

A hydraulic cylinder drive shaft (hereinafter abbreviated as a drive shaft) 66 is provided so as to extend from the base end portion of the hydraulic cylinder 65 to the left and right sides, and the extending drive shaft 66 Both ends penetrate the base frame 2,
Its tip is connected to a lifting foot pedal shaft 67 arranged on both sides of the base frame 2.

A lifting foot pedal 67u and a descending foot pedal 67d are provided at both ends of the lifting foot pedal shaft 67.
By stepping on 7u, the pressure in the hydraulic cylinder 65 rises, the sliding tip portion 65a extends, and the waist receiving portion frame 21 rises as shown in FIG. 3 (A). Further, by stepping on the descending foot pedal 67d, the pressure in the hydraulic cylinder 65 is lowered, and the sliding tip portion 65a is contracted, so that the sliding tip portion 65a of FIG.
As shown in (B), the waist receiving portion 20 is adapted to descend.

That is, as the sliding front end portion 65a of the hydraulic cylinder 65 moves up and down, the elevating stay 63 pivots with respect to the column 61 of the base frame 2 to elevate and lower the waist receiving portion frame 21. It is like this. At this time, a link mechanism constituted by the elevating stays 63 and 64, the columns 61, and the frame columns 62 arranged side by side holds the waist receiving portion frame 21 in a horizontal state and moves up and down.

As described above, the bed of the endoscopic examination bed is divided into the backrest portion, the waist receiving portion, and the leg receiving portion, and the backrest portion and the leg receiving portion are constituted by the waist receiving portion. A gas spring for rotatably connecting the backrest and a gas spring for holding the inclination of the backrest is provided, and the backrest and the leg receiving portion are connected via a pivoting stay to form a link mechanism. The leg receiving portion is operated in conjunction with the reclining operation of the portion, so that the subject can easily take a posture peculiar to the endoscopic examination. As a result, the pain of the subject can be reduced, and the workability at the time of endoscopic examination is significantly improved.

Further, the foot receiving portion rotatably provided on the leg receiving portion is rotated in accordance with the operation of the leg receiving portion which operates in conjunction with the reclining operation of the backrest portion, whereby the foot receiving portion is moved. Since the part does not interfere with the inspection, the inspection under the endoscope can be performed smoothly.

Further, since the reclining operation of the backrest can be performed by grasping and pulling the wires exposed from the left and right of the holding bar provided on the backrest, the operability of the reclining of the backrest can be greatly improved. Improve to.

Further, since the lifting foot pedal shafts provided with the raising foot pedal and the lowering foot pedal at both ends are provided on both sides of the base frame, the raising and lowering operation of the bed can be performed from either side of the bed. be able to.

FIG. 4 is an explanatory view showing another structure of the endoscopic examination bed according to the second embodiment of the present invention. In the endoscopic examination bed 1 in which the backrest portion 10 and the leg receiving portion 30 operate in an interlocking manner as in the above-described first embodiment, when the post-treatment is completed after the endoscopic examination, the subject is in a chair. You cannot take a rest with your legs extended. Therefore, in the endoscopic examination bed 1A of the present embodiment, it is possible to take a break with the legs extended in the chair state.

As shown in FIGS. 4 (A) and 4 (B), the bed 1A for endoscopy according to the present embodiment has the backrest frame 1 described above.
Revolving stay 7 for connecting 1 and the leg receiving frame 31
0 is composed of a hollow outer stay 71 and an inner stay 72 which is disposed in the outer stay 71 and slides.

One opening 73 is formed on the outer peripheral surface of the outer stay 71, and a rod-shaped member 74 is formed in this opening 73.
Is provided. One end of the rod-shaped member 74 is located in the inner hole of the outer stay 71, and the other end is fixed to a leaf spring 75 fixed to the outer peripheral surface of the outer stay 71.
Therefore, the rod-shaped member 74 is always biased in the central axis direction of the outer stay 71.

On the outer peripheral surface of the inner stay 72, two groove portions 76 projecting from the opening 73 of the outer stay 71 and into which the rod-shaped members 74 fitted by the leaf springs 75 are fitted are provided side by side. The inner stay 72 is held and fixed by fitting the member 74 into the groove portion 76.

Therefore, by lifting the leg receiving portion frame 31 in the upward direction, the inner stay 72 slides in the direction of arrow c against the urging force of the leaf spring 75, and the inner stay 72 is moved to the other groove portion 76. When fitted, only the leg receiving portion 30 becomes horizontal. Other configurations and actions are the same as those in the above-described embodiment, and the same members are denoted by the same reference numerals and the description thereof will be omitted.

As described above, since the backrest portion and the leg receiving portion constituting the bed are connected by the turning stay constituted by the outer stay and the inner stay, and the position of the inner stay can be changed, It is possible to rotate the leg receiving portion with respect to the waist receiving portion, maintain the tilted state of the backrest portion, and make only the leg receiving portion horizontal. As a result, the subject can take a more comfortable posture during post-treatment after the examination.

By increasing the number of grooves provided in the inner stay, the stop position of the leg receiving portion can be arbitrarily set.

Further, instead of the method of fixing and holding the inner stay with a rod-shaped member urged by a leaf spring, the built-in claw is stopped at the position where the inner stay is extended, and the inner stay is extended again. , The claw is released from the locked state,
A flap stay system in which the inner stay is contracted may be used.

FIG. 5 is an explanatory view showing another structure of the endoscopic examination bed according to the third embodiment of the present invention. In the endoscopic examination bed 1 of the above-described embodiment, the height of the bed 3 is adjusted by raising and lowering the waist receiving portion 20 while maintaining the horizontal state by the raising and lowering means 6 including the link mechanism. In this configuration, when returning from the bed state to the chair state, since the waist receiving portion 20 is in the horizontal state, the waist of the subject slides from the waist receiving portion 20 with the momentum when the backrest portion 10 returns. There is a risk of falling. Therefore, in the endoscopic examination bed 1B of the present embodiment, the waist of the subject does not slip off from the waist receiving portion due to the momentum of the backrest portion 20 returning.

As shown in FIG. 5, in the endoscopic examination bed 1B of the present embodiment, the frame column 81 is rotatably connected to the waist receiving frame 21 via the rotation shaft 82, and
The waist receiving part frame 21 and the frame pillar 81 are connected by a coil spring 83, and the waist receiving part frame 21 is biased toward the frame pillar 81 so that the waist receiving part frame 21 contacts the upper surface of the frame pillar 81. It comes into contact and stops in a horizontal state.

In addition, the frame pillar 81 is provided with the pillar 6 of the base frame 2 via the elevating stays 63 and 64 arranged in parallel.
1 is connected to form a link mechanism, and the sliding tip portion 65a of the hydraulic cylinder 65 is connected to the elevating stay 63 located on the upper side. Therefore, the sliding tip 6
The waist receiving part frame 21 moves up and down as the 5a expands and contracts.

Further, a stopper 84 that abuts the upper surface of the support column 61 on the rear surface of the waist receiving portion frame 21 on the front end side.
When the hip receiving frame 21 continues to descend, the stopper 84 comes into contact with the upper surface of the column 61 to stop the descending. Then, when the stopper 84 and the upper surface of the column 61 come into contact with each other, the front end portion of the waist receiving frame 21 is pushed upward, so that the waist receiving frame 21 tilts about the rotation shaft 82. Has become.

An elastic member such as rubber or leaf spring may be used instead of the coil spring. Other configurations and actions are the same as those in the above-described embodiment, and the same members are denoted by the same reference numerals and the description thereof will be omitted.

In this way, when moving a subject,
When the waist receiving part is lowered and the waist receiving part is lower than a predetermined height, the stopper provided on the waist receiving part frame may come into contact with the upper surface of the support column and tilt the waist receiving part so as to raise the foot side position. it can. With this, when the bed state is changed to the chair state, by keeping the bed position lower than the predetermined height, the momentum when the backrest part returns,
The subject is prevented from sliding down from the waist receiving portion.

6 and 7 relate to the fourth embodiment of the present invention. FIG. 6 is an explanatory view showing the structure of an endoscopic examination bed provided with a head support portion, and FIG. 7 is a head support portion. It is explanatory drawing which shows schematic structure. In the endoscopic examination bed 1 of the above-described embodiment, when the height of the head of the subject is changed during the examination, each time the head is changed, the pillow is replaced with a pillow having a different height, or the nurse examines the subject. He supported it by supporting his head. Therefore, in the endoscopic examination bed 1C of the present embodiment, the height of the head of the subject can be freely adjusted.

As shown in FIG. 6, in the endoscopic examination bed 1C of the present embodiment, the position of the head of the subject can be freely changed during the examination and treatment under the endoscope. Like
The backrest 10 is divided into two parts, a head frame 91 and a back frame 92, so that the mattress holding the head can be independently moved. The back mattress 94 and the head mattress 93 are detachably fixed to the back frame 92 and the head frame 91, respectively. Incidentally, the endoscopic examination bed 1
When C is used as a bed in a horizontal state, the back frame 92 and the head frame 91 are arranged so as to form one horizontal mattress as a whole.

As shown in FIG. 7, the back frame 92 and the head frame 91 are freely rotatable via an arm 97 fixed to a shaft 96 provided on a bearing 95 provided on the back frame 92. Are linked to. A gear 98 is fixed to the shaft 96, and an operating gear 99 is meshed with the gear 98. The operation gear 99
Is an operating shaft 101 extending from the operating knob 100.
It is provided at the tip end of the operation shaft 1 and is rotated by operating the operation knob 100.
It is transmitted to the arm 97 via 01, the operation gear 99, and the gear 98 to rotate. The operation shaft 101 and the peripheral mechanism are housed on the back mattress 94 side.

On the other hand, a D-shaped cut hole 102 is formed at the other end of the arm 97.
A shaft 103 having a D-shaped cross section is fitted to the shaft 02. A chassis 104 is fixed to the shaft 103. The chassis 104 is fixed to the head frame 91 and is housed in the head mattress 93. In addition, without using the chassis 104, the arm 97
May be directly fixed to the head frame 91.

In the endoscopic examination bed 1C constructed as described above, when the position of the head of the subject is changed, the operation knob 100 is first rotated. Then, this operation knob 100
Is transmitted to the gear 98 via the operation gear 99, and the arm 97 starts rotating. When the arm 97 starts rotating, the chassis 104 fixed to the shaft 103 fitted to the arm 97 moves, and the head of the head frame 91 fixed to the chassis 104 moves. The mattress 93 moves in a direction of raising or lowering the head of the subject.

The operation knob 100 is adjusted by appropriately adjusting the gear ratio between the operation gear 99 and the gear 98.
It is possible to freely set the amount of operation force of and the amount of movement of the head mattress 93. Further, in the present embodiment, the backrest portion 10 is divided into the head frame 91 and the back frame 92 and the mattress is provided in each frame, but the method of dividing the mattress is not limited to this embodiment.
Corresponding to various division methods, for example, a portion 10 that does not move is located immediately beside the moving portion 108 as shown by the arrow in FIG.
9 may be provided. Other configurations and actions are the same as those in the above-described embodiment, and the same members are denoted by the same reference numerals and the description thereof will be omitted.

As described above, the position of the subject's head can be easily changed by appropriately rotating the operation knob, which makes it possible to deal with various procedures and pretreatments. .

When a plurality of operators use the endoscopic examination bed, the head positions of the examinees required by the respective operators can be dealt with.

Further, according to the configuration shown in FIG. 8, when the reclining state is set, a horizontal portion is provided near the head of the subject, so that a space for placing medicines, a tray and the like is secured.

9 and 10 relate to a modification of the fourth embodiment. FIG. 9 is an explanatory view showing another structure of an endoscopic examination bed provided with a head supporting portion, and FIG. 10 is a head. It is explanatory drawing which shows schematic structure of a support part. The endoscopic examination bed according to the present embodiment can change the height of the head of the subject, and can change the angle of the head of the subject at each height.

As shown in FIG. 9, in the endoscopic examination bed according to the present embodiment, the backrest portion 10 is divided into a back support portion 110 and a head support portion 111, respectively, and the back support frame 1 is provided.
12 and a back support mattress 113, a head support frame 114 and a head support mattress 115.

Bearing 116 of the back support frame 112
A back support shaft 119, to which an arm 117 and a first positioning gear 118 are fixedly mounted, is held by the. A head supporting shaft 120 is fixed to the other end of the arm 117, and a second positioning gear 121 is fixed to the head supporting shaft 120.

Since the back support shaft 119, the arm 117, the first positioning gear 118, the head support shaft 120 and the second positioning gear 121 are fixed to each other, each shaft 119, It does not rotate with respect to 120. Further, the tip portion 120 a of the head supporting shaft 120 is inserted in the bearing portion 122 of the head supporting frame 114.

As shown in FIG. 10, the head support frame 11
The first locking shaft 123 fixed to No. 4 has a first
The lock member 124 is rotatably arranged. The first lock member 124 meshes with the second positioning gear 121 to prevent the head support shaft 120 inserted into the bearing portion 122 of the head support frame 114 from rotating. There is.

The first lock member 124 is provided with a grip 124a, and by operating this grip 124a, the first lock member 124 can be moved to switch between a locked state and a released state. You can do it. A spring 125 is provided between the grip 124a and the head support frame 114, and the grip 124a is always counterclockwise about the first locking shaft 123 by the biasing force of the spring 125. Is urged by.

The back support frame 112 has the same structure as the head support frame 114, and the back support frame 1
The second locking shaft 126 fixed to the
The lock member 127 is rotatably arranged. The second lock member 127 meshes with the first positioning gear 118 to prevent the back support shaft 119 from rotating.

The second lock member 127 is provided with a grip 127a, and by operating this grip 127a, the second lock member 127 can be moved to switch between the locked state and the released state. You can do it. A spring 128 is provided between the grip 127a and the back support frame 112, and the urging force of the spring 128 constantly urges the grip 127a clockwise around the second locking shaft 126. is doing.

The head support frame 114 is provided with a mounting hole 132 for connecting the connecting pin 131 of the tray 130 shown in FIG. 9, and the connecting pin 131 of the tray 130 is connected to this mounting hole 132. You can do it. The tray 130 is provided with a recess 133 for holding chemicals and a mounting hole 134 for mounting a drip pole (not shown).

The operation of the backrest 10 constructed as described above will be described with reference to FIG. When the grip 124a is moved clockwise, the first lock member 124 is also moved clockwise following the movement of the grip 124a,
The locked state with the second positioning gear 121 is released. When the locked state of the second positioning gear 121 is released, the head supporting frame 114 can freely rotate around the head supporting shaft 120.

On the other hand, when the grip 127a is moved, for example, in the counterclockwise direction, the second lock member 127 is also rotated in the counterclockwise direction following the movement of the grip 127a to lock with the first positioning gear 118. When the state is released, the head support frame 114 and the head support mattress 115 can rotate about the back support shaft 119.

When the rotations around the two shafts 119 and 120 are matched, a position where the head support mattress 115 is moved substantially parallel to the position shown by the alternate long and two short dashes line is realized.

Further, from this position, the head supporting shaft 1
The head-supporting mattress 115 can be rotated around 20, and the head-supporting mattress 115 can be held in an inclined state.

In this figure, the springs 125, 128
Always engages the locking members 124, 127 with the gears 121, 11
The grips 124a and 127a are biased in the direction of being pressed against 8, so that the grips 124a and 127a are automatically locked even if the grips 124a and 127a are released.

Thus, the head support frame is rotatably connected to the back support frame so that it can be held and fixed at a desired position, and the head mattress is attached to the support shaft provided on the head support frame. By connecting the head mattress rotatably to the head support frame and the backrest frame, the position and angle of the head mattress in the vertical direction can be arbitrarily set. . This eliminates the need to prepare multiple types of pillows to set the position of the subject's head and the need for the nurse to hold the subject's head, reducing the labor required for endoscopy. To do.

Further, since the setting of the position of the head mattress can be changed so that the head position becomes more natural for the examinees of various body types, a comfortable examination environment for the examinee can be obtained. Become.

Further, since the tray, the drip pole and the like can be attached to the head frame, the treatment from the oral cavity of the subject can be easily performed.

FIG. 11 is an explanatory view showing the structure of an endoscopic examination bed capable of performing Trendelenburg according to the fifth embodiment of the present invention. Bed 1D for endoscopy of the present embodiment
If it is necessary to promote blood flow to the subject's brain due to sudden bleeding during treatment, Trendelenburg (lowering the subject's head to send blood to the subject's brain) is recommended. You can do it.

As shown in the figure, a spring 141 is attached to the lower part of the waist receiving portion 20 and the frame column 62 of the endoscopic examination bed 1D of this embodiment, and the waist receiving portion 20 is attached by the spring 141. The horizontal state is maintained by being biased so as to always rotate clockwise around the fulcrum 142.

When it is necessary to promote blood flow to the head of the subject during the endoscopic examination, first, the holding bar 14 is pushed down in the direction of the arrow so that the backrest 10 in the bed state and the waist. The receiving portion 20 and the leg receiving portion 30 have a fulcrum 14
It rotates in a counterclockwise direction around 2 so that the head of the subject is lowered.

In the case of this embodiment, this operation is performed regardless of the reclining mechanism of the frame of the mattress portion, so that the trendelenburg is performed with the mattress kept in a straight line. Also, the spring 1
Instead of 41, a leaf spring, a gas spring, or the like may be used, and a force that causes the waist receiving portion 20 to rotate clockwise relative to the frame column 62 about the fulcrum 142 may be applied. Further, if the holding bar 14 is released, the spring 141 automatically returns to the horizontal state by the urging force of the spring 141. Other configurations and actions are similar to those of the above-described embodiment, and the same members are denoted by the same reference numerals and description thereof will be omitted.

As described above, the trend bearing is performed by pushing the holding bar side by constantly urging the waist receiving portion to rotate clockwise around the fulcrum with respect to the frame pillar. It is possible to give the operator a sense of security.

When the hand is released from the vicinity of the backrest, the spring force automatically returns to the horizontal state.
Even if the patient leaves the place due to an urgent need, the subject's head will not be left in a lowered state.

12 and 13 relate to a modified example of the fifth embodiment, FIG. 12 is an explanatory view showing another constitution of the endoscopic examination bed capable of performing Trendelenburg, and FIG. 13 is a schematic constitution of a gas spring. FIG.

As shown in FIGS. 12 and 13, in the endoscopic examination bed 1E of this embodiment, one end of the gas spring 40 is attached to the first fulcrum 151 provided on the backrest 20, and the other end of the gas spring 40 is attached. The tip of the sliding shaft 153 is fixed to the second fulcrum 152 of the waist receiving portion 20.

The sliding shaft 153 is composed of an outer cylinder 154 and a slide shaft 155 that slides inside the outer cylinder 154, and is held by a coil spring 156 so as to be in a fully extended state. The coil spring 15
Instead of 6, an elastic member such as rubber or leaf spring may be used.

If it is necessary to perform the Trendelenburg during the endoscopic examination in the state shown in the figure, the holding bar 14 is pushed down. Then, the gas spring 40
Is applied to the coil spring 156 of the sliding shaft 153.
Contracts, and the slide shaft 155 enters the outer cylinder 154. At this time, the backrest portion 10 has the slide shaft 15
The head 5 of the subject is lowered by reclining further downward by the amount that 5 has entered the outer cylinder 154. By appropriately setting the elastic coefficient of the coil spring 156, it is possible to set various amounts of force for starting the Trendelenburg. In addition, the coil spring 156
It is possible to variously set the stroke value of the Trendelenburg by appropriately setting the stroke of.

As described above, when the trendelenburg is performed, the trendelen plug can be quickly performed without releasing the locked state by gripping the wire as in the case of reclining.

By the way, when changing the advancing direction of the endoscopic examination bed, the direction of the casters on the advancing direction side had to be changed by shaking the bed toward a desired direction. However, the work of moving the endoscopic examination bed is often performed by the nurse alone, and in particular, the work of changing the traveling direction has forced the nurse to perform extremely heavy work.
Therefore, there has been a demand for an endoscopic examination bed in which a single nurse can easily change the direction to reduce the labor.

14 to 17 relate to the endoscopic examination bed having the advancing direction changing means, FIG. 14 is an explanatory view showing the schematic structure of the endoscopic examination bed, and FIG. 15 is the advancing direction changing means. FIG. 16 is an explanatory view showing the handle, FIG. 16 is a sectional view taken along line FF of FIG. 15, and FIG. 17 is a sectional view taken along line EE of FIG.

As shown in FIG. 14, the endoscopic examination bed 1F of the present embodiment is provided with a battery, a motor, and the like in order to reduce labor during movement.

A caster 204 is provided on the base frame 202 supporting the bed of the endoscopic examination bed 1F. The caster 204 is provided with an interlocking rotary shaft 205 that rotates in association with the direction of the caster 204. The interlocking rotary shaft 205 is a bearing 206.
It is attached to the base frame 202 via.

The sprocket 2 is attached to the interlocking rotary shaft 205.
07 is attached to this sprocket 207
Engages with a gear (not shown) in the gearbox 209 via a chain 208. The gear box 209
The gear inside is driven by a motor 210.

The rotation speed and rotation direction of the motor 210 are controlled by a control switch provided in the control box 211. In addition,
Reference numeral 212 is a battery, which is a power source for driving the motor 210.

The harness 213 is for transmitting a control signal to the control box 211, and is connected to a bearing unit 215 to which a handle 214 to be gripped when moving the endoscopic examination bed 1F is attached.

As shown in FIGS. 15 to 17, the rotating shaft of the handle 214 mounted on the bearing unit 215 is provided with a groove 203, and the first stopper member 216 is inserted into the groove 203. . In addition, reference numeral 217 is a second stopper member, and is used for the backrest frame 2
It is fixed to the rotating shaft of the handle 214 with screws 220 sandwiching 18. As a result, the handle 21
4, the first stop member 216, the second stop member 217, and other members are rotatable with respect to the backrest frame 218. Further, reference numeral 219 is an abutting member, and the abutting member 219 is fixed to the second stopper member 217 by a screw 220 so as to rotate together with the handle 214.

On the other hand, the rotation control rubber 221 is inserted into the hole 222 having a D-shaped cross section formed in the backrest frame 218, and the backrest frame 2 is inserted.
It does not rotate with respect to 18.

The slip-out preventing member 223 of the first stopper member 216 is fixed to the first stopper member 216 by a screw 224. A rack (gear) 217a is formed on the second stop member 217 and meshes with a gear 225a of a rotary encoder 225 incorporated in the backrest frame 218. The rotary encoder 225 is connected to the control box 211 by a harness 213, and the rotation position information of the handle 214 is stored in the control box 2.
11 has been transmitted.

The operation of the endoscopic examination bed 1F configured as described above will be described. When the endoscopic examination bed 1F is moved, the handle 214 is grasped and pushed forward. Then, for example, when turning to the left, the handle 214 is rotated to the left. Handle 2 at this time
The rotation of 14 occurs only at a slight angle due to the interference of the contact member 219 and the rotation control rubber 221.
By appropriately adjusting the hardness of the rotation control rubber 221, an appropriate operation feeling can be obtained.

When the handle 214 rotates, the second stopper member 217 and the rack 217a rotate. When the rack 217a rotates, the gear 225a rotates and drives the rotary encoder 225. Information regarding the rotation angle of the handle 214 obtained by driving the rotary encoder 225 is sent to the control box 211 via the harness 213.

In this control box 211, the motor 210 is rotated based on the information about the rotation angle of the handle 214 sent thereto, the chain 208 is rotated in the direction of the arrow 226 via the gear box 209, and the sprocket 208 is moved to the arrow. Rotate in 227 direction. According to the rotation of the sprocket 208 in the direction of arrow 227, the caster 204 turns to the left turn direction with respect to the forward movement direction. In this state, push the handle 214,
By advancing, the endoscopic examination bed 1F smoothly turns to the left.

As described above, by providing a motor, a handle, an encoder, etc. on the endoscopy bed to change the course of the endoscopy bed, a person who pushes the endoscopy bed can You can change the direction of the casters by changing the direction of the casters simply by operating the handle. This greatly reduces the labor of the person who operates the endoscopic examination bed.

Further, since the orientation of the endoscopic examination bed cannot be changed, the examinee does not get stuck at a corner or the like while the subject is still on the bed, so that the examination proceeds smoothly.

Furthermore, since the operation of changing the orientation of the endoscopic examination bed by applying momentum is not performed,
A comfortable examination environment is provided for the subject lying on the endoscopy bed.

Incidentally, as shown in FIG.
A block 235 is provided on the switch 2 for detecting the rotational position.
Even if 34 is provided on the backrest frame 218, the same operation and effect as described above can be obtained.

That is, when the handle 214 is turned, the block 235 rotates together with the stop member 217 to rotate the switch 2
34 and the harness 21 from the switch 234.
The information about the rotation of the handle 214 is sent to the control box 211 via 3. The control box 211 controls power supply and rotation direction to the gear box 210 based on the information signal regarding the rotation of the handle 214, and changes the angle of the caster 204 only when the switch 234 is turned on to change the traveling direction. Can be done. The switch 234 is a non-contact type, for example,
An optical switch such as a photo interrupter may be used.

19 to 21 relate to an endoscopic examination bed having another advancing direction changing means, FIG. 19 is an explanatory view showing a schematic structure of the endoscopic examination bed, and FIG. 20 is a traveling direction changing mechanism. And FIG. 21 is an explanatory view showing the inside of the bevel gear box.

As shown in FIG. 19, the endoscopic examination bed 1G of the present embodiment does not use electric parts such as a battery, a motor and a harness as in the embodiments shown in FIGS. 14 to 17. The direction of the casters can be changed to easily change the traveling direction of the endoscopic examination bed 1G.

As shown in FIG. 20, the casters 226 are
The bearing 228 is attached to the base frame 227 so that it can rotate. A gear 229 is attached to the caster 226,
The casters 226 are adapted to rotate as they rotate.

The gear 229 meshes with the rack 230. A plurality of slide grooves 237 are formed in the rack 230 in parallel with the longitudinal direction of the rack 230, and are regulated by a guide pin 231 arranged in the slide grooves 237 so as to move in a straight line.

The gear 232A is fixed to the shaft 233 shown in FIG. 19 and meshes with the gear 232B arranged on the base frame 227. In addition, the gear 232
B is engaged with the rack 230.

The shaft 233 passes through a bevel gear box 234 arranged at the lower part of the waist receiving portion, and further the shaft 23
5, the bearing 236, the flexible joint 237, the shaft 238, the bearing 239, and the bevel gear box 240 are connected to the handle 241.

The flexible joint 237 is for coping with the center axis deviation and the distance change of the shafts 235 and 238 when the backrest frame 242 of the endoscopic examination bed 1G is reclined, and is made of metal. It is a spring-shaped member, a resin pipe-shaped member, or a mechanical component such as a universal joint.

As shown in FIG. 21, the bevel gearbox 2
Inside the 40, the bevel gear 243 screwed to the shaft 238 by a set screw and the shaft 24 of the handle 241.
Bevel gear 24 fixed to 5 by set screw
4 is in mesh.

The shaft 245 corresponds to the backrest frame 24.
2 is inserted into a bearing 246 fixed to the backrest frame 242 and fixed by an E ring 247. Reference numeral 248 is a sliding bush, and reference numeral 249 is an E ring for preventing the shaft 238 from falling off.

In the bevel gear box 234, the shafts 235 and 233 are meshed with each other by bevel gears (not shown) as in the bevel gear box 240.

A change in the traveling direction of the endoscopic examination bed 1G configured as described above will be described. When changing the traveling direction of the endoscopic examination bed 1G, first, the handle 2
Rotate 41. Then, the rotation of the handle 241 is caused by rotation of the shaft 245, the bevel gear box 240, the shaft 238,
The flexible joint 237, the shaft 235, the bevel gear box 234, and the shaft 233 are transmitted to the gear 232.
Rotate A, 232B, move the rack 230,
The gear 228 connected to the caster 226 is transmitted to change the traveling direction.

The endoscopic examination bed 1G may be in a bed state or in a chair state shown in the drawing. However, since the flexible joint 237 is provided, the rotation of the handle 241 is surely made to the caster 226 in any case. Transmitted.

As described above, since the battery or the like is not used, the trouble of charging or replacing can be saved. Other effects are similar to those of the above-described embodiment shown in FIGS. 14 to 17.

By the way, there was an endoscopic examination bed in which all the four casters provided on the base frame were made rotatable so that the movement could be smoothly performed in a narrow space so that the traveling direction could be easily changed. Since all the three casters are freely rotatable, there was a problem that it was not possible to smoothly go straight when going straight. Therefore, a bed for endoscopy having excellent straightness has been desired.

22 and 23 are diagrams for explaining an endoscopic examination bed excellent in straightness, FIG. 22 is an explanatory view showing a schematic structure of the endoscopic examination bed, and FIG. 23 is a caster fixing mechanism. It is explanatory drawing which shows the structure of.

As shown in FIG. 22, a bed 1 for endoscopy.
The H base frame 301 includes a plurality of casters 302.
Supported by. The caster 302 is attached to the base frame 301 by a bearing 303, and can freely rotate with respect to the base frame 301 to change the direction of the caster 302.

Then, as shown in FIG. 23, a gear 304 is attached to the head of the caster 302.

The base frame 301 has a slide stay 306 having a lock member 305 at its tip.
, Are arranged so as to slide on the base frame 301 with slide pins 307.

A pedal 309 rotatably attached to a bearing (not shown) of the base frame 301 via a rotary shaft 308 is connected to a slide stay 306 via a stay 310 and a connecting shaft 311. Therefore, by lifting the pedal 309, the stay 310 is pushed and the slide stay 306 slides in the direction of reference numeral 312, and the lock member 305 provided at the tip end of the slide stay 306 bites into the gear 304 and the caster 3 moves.
The orientation of 02 is fixed.

The moving mechanism of the slide stay 306 may be constructed by using a rack and a gear. Further, as shown in FIG. 24, the lock pin 324 of the slide stay 323 may be inserted into the groove 322 provided in the waist receiving portion rotation shaft 321 of the caster 320.

The operation of the caster fixing mechanism configured as described above will be described. During normal use, the pedal 309 is in a horizontal state so that the gear 304 and the lock member 305 do not mesh with each other. Therefore, the caster 302 can freely rotate and change its direction.

In the case of going straight, first, the endoscopic examination bed 1H is directed in the direction of going straight, and the casters 3 are used.
02 in the traveling direction, the pedal 309 is lifted, the slide stay 306 is slid in the direction of reference numeral 312, the lock member 305 provided at the tip end of the slide stay 306 is bitten into the gear 304, and the direction of the caster 302 is fixed. Then, give a driving force and go straight.

As described above, when the endoscopic examination bed is moved, when the traveling direction is determined, the pedal can be operated to fix the caster in the desired direction.
This eliminates the need for work and force to orient the endoscopic examination bed at all times. Further, by providing the pedals on both sides of the frame of the endoscopic examination bed, the pedals can be selected according to the work situation.

FIGS. 25 and 26 are for explaining the construction of an endoscopic examination bed using a commercially available switchable caster, and FIG. 25 is an explanatory view showing the schematic construction of the endoscopic examination bed. 26 is an explanatory view showing the caster fixing mechanism.

As shown in FIGS. 25 and 26, the base frame 351 of the endoscopic examination bed 1J of the present embodiment is
It is supported by a commercially available switchable caster 352.

The casters 352 are "freely rotatable", "fixed only in direction" with respect to the base frame 351,
It is possible to switch to three states of "Wheel rotation is fixed".
This can be done by rotating 53.

That is, the shaft 353 has the shaft 3
A rotary lever 354 that rotates together with 53 is fixed. Independent lever 35 independent of the casters 352
5 is fixed to the frame 351 by a bearing (not shown), is rotatable, and is connected to the rotary lever 354 and the independent lever 355 by the shaft 356.

On the other hand, the pedal 357 is arranged at a position where a person pushing the endoscopic examination bed 1J can step it.

That is, the pedal 357 of this embodiment is
It is attached to the rear side of the base frame 351 just above the caster 365, and the lever 358 is fixed and rotates together with the pedal 357.

The lever 358 and the independent lever 355
And are connected by a connecting shaft 359. The switching shafts 353 of the left and right casters 352R, 352L located in the forward direction are connected by a shaft 360, and the switching shafts 353 of the left and right casters 352R, 352L operate simultaneously.

The pedals 357 may be provided on both sides of the base frame 351 so that the casters 352 can be operated from both sides of the endoscopic examination bed 1J.

The operation of the traveling direction changing mechanism configured as described above will be described. When the pedal 357 is lifted, the connecting shaft 359 is pulled and the rotary lever 354 rotates clockwise. As a result, the casters 352 are
Since it is in the "fixed direction only" state, it does not care about the direction of the endoscopic examination bed 1J, and only by applying a propulsive force, it is possible to go straight ahead stably.

Incidentally, by appropriately adjusting the fixing positions of the shaft 356 and the connecting shaft 359 on the independent lever 355, the casters 35 having various switching force amounts can be obtained.
It is possible to correspond to 2 and to freely set the depression angle of the pedal 357.

As described above, by operating the pedals provided on the endoscopic examination bed, the casters located in the front can be placed in the “fixed direction only” state. It is possible to make a stable straight drive by giving propulsion without worrying about the direction. As a result, the labor of a nurse or the like who operates the endoscopic examination bed is significantly reduced.

Further, in order to move straight ahead stably, it is necessary to fix the direction of the caster located in the forward direction of the traveling direction, but according to the present embodiment, the "freely rotating" state and the "direction only fixed" state. Since the device that switches between and is at the feet of the person in charge who pushes the endoscopic examination bed, stop the endoscopic examination bed every time while moving, for example, when there is a long corridor after turning a corner. Since it is not necessary to operate the casters by turning to the front side in the traveling direction, it is possible to realize a smooth movement of the endoscopic examination bed.

Further, when the left and right sides are provided with the mechanism, it is sufficient to depress the pedal which is easier to depress according to the situation at each time, and the work can be performed efficiently.

By the way, in order to prevent a patient or an examinee from falling from a bed in a bed, especially a medical bed,
A fall prevention fence (side guard) is provided.

As a side guard provided on the bed, there is conventionally known one that can be stored under the bed integrally on one side.

However, when the side guard of the bed is one-sided integrated type, in a bed provided with a reclining mechanism, the reclining operation must be performed by removing the side guard from the bed in advance when performing the reclining operation. It was a troublesome task for the caregiver.

27 to 29 show a schematic structure of an inspection bed having a side guard and a side guard storage / installation function, FIG. 27 is an explanatory view showing a schematic structure of the inspection bed, and FIG. 28 is a side view. FIG. 29 is a diagram showing a guard installation state, and FIG. 29 is a diagram showing a side guide rotational movement state.

As shown in FIG. 27, the bed 403 of the examination bed 400 includes a first frame 401 and a second frame 4.
It is formed in two parts with 02, and the bed central axis 404
It is rotatably connected with.

Specifically, the inspection bed 400 is
A bed 403 including a first frame 401 and a second frame 402 is supported by a support 405, and the support 405 is fixed to a base frame 406. The first frame 401 and the second frame 402 are
In the released state, the second frame 402 is connected by a reclining damper 407 that is set in a direction to stand up,
The second frame 402 is provided with a damper operating lever 408 for operating the reclining damper 407. The damper 407 and the lever 40
8 is connected by wire 409. And
Side guards 411 are provided on the fixed portions 410 that project from the frames 401 and 402 and that are provided on each of the left and right sides.

Therefore, in the inspection bed 400, the damper 407 is released by grasping the lever 408 and pulling the wire 409, and the bed central shaft 4
The second frame 402 performs a reclining operation with 04 as a fulcrum.

The side guards 411 arranged on the fixing portion 410 can be independently housed by rotating in the width direction of the bed 403 as will be described later.

As shown in FIG. 28, the side guard 411
Is a shaft support pin 412 penetrating the side guard 411.
The side guard 411 is held and fixed to the fixing portion 410 by the frame 401, 4
02, the fixing pin 413 that slides inside the fixing portion 410 in the longitudinal direction of the bed 403 is protruded to the outside of the side guard 411 so that the side guard 411.
Is held and fixed in the installed state.

Since the fixing pin 413 is biased by the spring 414 arranged inside the fixing portion 410,
The release button 415 integrally fixed to the fixing pin 413 is projected so as to support the side guard 411 in a released state.

As shown in FIG. 29, when the side guard 411 is stored, by pulling the release operation button 415 fixed to the fixing pin 413 against the urging force of the spring 414, the fixing pin 413 is moved to the side guard. It is moved to a position outside the outer peripheral surface of 411. In this state, the side guard 411 rotates around the shaft support pin 412. When the release operation button 415 is released while the side guard 411 is rotating, the fixing pin 413 is pressed against the outer peripheral surface of the side guard 411 by the urging force of the spring 414, but is located outside the outer peripheral surface. Therefore, the rotation of the side guard 411 is not hindered. Then, when the side guard 411 rotates and falls down to the stored state, the fixing pin 413 is again pushed out by the biasing force of the spring 414, and this time the side guard 411 is held and fixed in the stored state.

As described above, the side guard is provided for each of the divided frames and the side guard is rotatable in the width direction of the bed, so that the side guard can be easily stored and installed. .

The side guard storage / installation mechanism configured as described above may be provided in the endoscopic examination bed as shown in FIG. The same reference numerals are given to the same members as those in the above-described embodiment, and the description of the configuration and operation will be omitted.

As shown in the figure, the side guard storage / installation mechanism is arranged in the backrest portion 10 and the waist receiving portion 20 of an endoscopic examination bed having a reclining mechanism for the backrest portion. Although not shown, a side guard may be provided on the leg receiving portion 30 of the endoscopic examination bed.

As described above, by providing the side guard storage / installation mechanism in the endoscopic examination bed, the reclining operation can be performed only by storing the side guard without removing it when frequently reclined. And the usability of the endoscopic examination bed is greatly improved. In addition, by storing the side guard of the waist receiving portion in the chair state, it becomes easy to get on and off. Furthermore, with only the side guard supporting the back of the subject installed, the side guard of the waist receiving frame can be stored to expose the buttocks and take an endoscopic posture, so fall to the subject. Endoscopy can be performed smoothly without risk.

31 to 35 show a schematic structure of an inspection bed having a side guard and another side guard storage / installation function. FIG. 31 is an explanatory view showing a schematic structure of the inspection bed, FIG. 32 shows the installed state of FIG.
BB cross section of FIG. 33, FIG. 33 is a CC cross sectional view of FIG.
Is a cross section taken along line BB in FIG. 31 in a rotated state, and FIG. 35 is D in FIG.
It is a -D sectional view.

In this embodiment, the side guard is rotated in the longitudinal direction of the bed to be stored.

As shown in FIG. 31, in the inspection bed 450 of this embodiment, the side guards 451 provided on both sides of the first frame 401 and the second frame 402 rotate in the longitudinal direction of the frame. The side guard storage / installation mechanism is configured. Therefore, each frame 40 is provided without providing a space in the width direction of the bed 403.
A side guard 451 is stored below 1,402.
The side guard 451 of the second frame 402 shows the stored state. Other configurations are similar to those of the inspection bed 400 shown in FIG. 27, and the same members are denoted by the same reference numerals and the description thereof will be omitted.

The side guard storage / installation mechanism will be described with reference to FIGS. 32 to 35. As shown in FIG. 32, a protrusion 451 is formed on the frame side at the center of the side guard 451.
a, a concave portion 451b on the side of the bed 403 and the convex portion 4
A through hole 451c that communicates the recessed portion 451b from the portion 51a is formed. The convex portion 451a is formed on the frame 401.
A shaft holder in which a through hole 455 formed in (402) is inserted to project to the inside of the frame 401, and a projecting portion 451d protruding to the inside of the frame is provided with a through hole 456a facing the through hole 451c. 456 is fixed,
The side guard 451 is rotatably arranged with respect to the frame 401. The shaft retainer 456 and the protruding portion 4
51d is fixed by a fixing means such as a screw.

On the other hand, the through hole 451b formed in the side guard 451 and the through hole 456 formed in the shaft retainer 456.
A shaft portion 457a of a positioning pin 457 is inserted in a, and a release button 458 is screwed and fixed to a tip end portion of the shaft portion 457a.

A position fixing pin portion 457b is provided at the other end of the positioning pin 457. The position fixing pin portion 457b is arranged in a through hole 459a formed in the pin guide 459 screwed to the inner surface side of the frame 401, and the position fixing pin portion 457b is arranged in the through hole 459a. The positioning pin 45
7 and the release button 458 do not rotate, and the positioning pin 457 is restricted to slide only in the axial direction.

As shown in FIG. 33, the side guard 45
1 is fixed to the frame 401, the position fixing pin portion 457b of the positioning pin 457 is provided with the shaft retainer 4
An elongated groove 460 provided in 56 is fitted. The position fixing pin portion 457b of the positioning pin 457 is disposed between the pin guides 459 so that the position fixing pin portion 457b is disposed.
The spring 451 that presses the end surface of 57b causes the frame 4
01 is biased toward the inner side surface, so that it is prevented from coming off the groove 460 due to the influence of vibration or the like, and is securely fixed.

As shown in FIG. 34, the side guard 45
When rotating 1 with respect to the frame 401, first,
The release button 458 is pressed against the urging force of the spring so that the frame 40
Push it to the 1 side. Then, the positioning pin 457 is pushed, the position fixing pin portion 457b is disengaged from the groove 460, and the side guard 451 becomes rotatable. In this state, as shown in FIG. 35, the side guard 451 is rotated to the storage state position. When this side guard 451 rotates 180 ° and reaches the storage position,
The position fixing pin portion 457b of the positioning pin 457 is fitted into the groove 460 again by the urging force of the spring, and the side guard 451 is fixed in the housed state.

Thus, since the side guard can be stored without protruding in the width direction of the bed, the side guard can be easily stored even in a small space. Other effects are similar to those of the embodiment shown in FIGS. 27 to 29.

The side guard storage / installation mechanism configured as described above may be provided on the endoscopic examination bed as shown in FIG. The same reference numerals are given to the same members as those in the above-described embodiment, and the description of the configuration and operation will be omitted.

As shown in the figure, the side guard storage / installation mechanism is arranged in the backrest portion 10 and the waist receiving portion 20 of an endoscopic examination bed having a reclining mechanism for the backrest portion. Although not shown, a side guard may be provided on the leg receiving portion 30 of the endoscopic examination bed.

As described above, by providing the side guard storage / installation mechanism in the endoscopic examination bed, the reclining operation can be performed only by storing the side guard without removing it when frequently reclined. And the usability of the endoscopic examination bed is greatly improved. In addition, by storing the side guard of the waist receiving portion in the chair state, it becomes easy to get on and off. Furthermore, with only the side guard supporting the back of the subject installed, the side guard of the waist receiving frame can be stored to expose the buttocks and take an endoscopic posture, so fall to the subject. Endoscopy can be performed smoothly without risk.
Furthermore, since the side guard can be stored without protruding in the width direction of the bed, the side guard can be easily stored even in a place with a small space.

The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the gist of the invention.

[Additional Notes] According to the above-described embodiment of the present invention as described in detail above, the following configuration can be obtained.

(1) In an endoscopic examination bed composed of a base member and a bed installed on the base member and movable by casters attached to the base member, at least the backrest part of the bed is provided. , A waist receiving portion and a leg receiving portion, wherein the backrest portion and the leg receiving portion are swivelable with respect to the waist receiving portion and can be held and fixed at an arbitrary position bed.

(2) The endoscopic examination bed according to appendix 1, wherein the base member is provided with an elevating means for elevating the bed.

(3) The endoscopic examination bed according to appendix 2, wherein the elevating means comprises a link mechanism and a hydraulic pump.

(4) The bed for endoscopy according to appendix 3, wherein the hydraulic pump changes the internal pressure by a stepping operation.

(5) The endoscopic examination bed according to appendix 3, wherein the raising / lowering operation of the raising / lowering means can be performed from both left and right sides of the bed.

(6) The endoscopic examination bed according to appendix 1, wherein the leg receiving portion turns in conjunction with the turning motion of the backrest portion.

(7) A foot receiving portion that rotates with respect to the leg receiving portion is provided at the tip of the leg receiving portion, and the foot receiving portion rotates in conjunction with the turning operation of the leg receiving portion. The endoscopic bed according to appendix 6.

(8) The operation interlocking with the turning motion of the backrest of the leg receiving portion and the operation interlocking with the pivoting operation of the leg receiving portion of the foot receiving portion are performed via at least one or more link mechanisms. The endoscopic examination bed according to appendix 6 or 7.

(9) The endoscopic examination bed according to appendix 6 or 7, wherein the backrest portion is provided with a turning position fixing means including a gas spring and a lock releasing means for the gas spring.

(10) The endoscopic examination bed according to Supplementary Note 6 or Supplementary Note 7 or Supplementary Note 9 which has a turning biasing means in the backrest portion.

(11) The endoscopic examination bed according to appendix 10, wherein the gas spring also serves as a turning biasing means of the backrest portion.

(12) The internal lock according to appendix 10 or 11, wherein the lock releasing means for the gas spring comprises a lever member for pressing the lock releasing pin at the tip of the gas spring and a driving means for driving the lever member. Bed for mirror examination.

(13) The endoscopic examination according to appendix 12, wherein the drive means is a wire member having one end fixed to the lever member and the other end fixed to the bed body and exposed from at least one or more places in the bed body. For beds.

(14) The endoscopic examination bed according to appendix 13, wherein the wire member can be operated by a holding bar provided on the bed.

(15) The endoscopic examination bed according to appendix 14, wherein the wire member can be operated from both sides of the bed.

(16) The endoscopic examination bed according to appendix 6, which has a turning mechanism for independently turning the leg receiving portion with respect to the waist receiving portion.

(17) The endoscopic examination bed according to appendix 16, wherein the turning mechanism is a telescopic mechanism provided in a stay connecting the leg receiving portion and the backrest portion.

(18) The endoscopic examination bed according to appendix 2 or 6, wherein the position of the leg receiving portion with respect to the waist receiving portion is higher than the position of the backrest portion when the bed is at a specified height or less.

(19) The endoscopic examination bed according to appendix 1, wherein a head support portion is provided on the backrest portion, and height adjusting means for changing the height of the head support portion is provided.

(20) The endoscopic examination bed according to appendix 19, further comprising angle changing means for changing the angle of the head supporting portion.

(21) The endoscopic examination bed according to appendix 1, 2 or 6, which has a swiveling means for swiveling the backrest downward from the horizontal position of the waist receiving portion.

(22) The endoscopic examination bed according to appendix 21, wherein the backrest portion automatically returns to the position before turning when the force for turning the backrest portion is removed.

(23) The base member has a plurality of casters which are freely rotatable so that the traveling direction can be freely changed, and the rotation direction for changing the direction of the casters is directed to a desired direction. The endoscopic examination bed according to appendix 1, further comprising a traveling direction changing means.

(24) The endoscopic examination bed according to appendix 23, wherein an electric motor is used as the traveling direction changing means.

(25) The endoscopic examination bed according to appendix 23, which has a holding member for moving the bed, and in which the holding member is held, the advancing direction changing means can be operated.

(26) The plurality of casters attached to the base member are casters whose rotation direction is free with respect to the traveling direction, and at least one of these casters is used.
The endoscopic examination bed according to Appendix 1, further comprising a rotation direction fixing means for fixing the rotation direction of the two casters.

(27) The endoscopic examination bed according to appendix 26, wherein the operation of fixing the rotation direction of the caster located in front of the bed among the plurality of casters can be performed from the back of the bed.

(28) The endoscopic examination bed according to appendix 26 or 27, wherein the operation of fixing the rotation direction of the caster can be performed from both left and right sides of the bed.

(29) In an inspection bed equipped with fall prevention fences for preventing the subject from falling on both sides of the bed,
Use at least two fall prevention fences on one side of the bed.
Inspection bed with more than one.

(30) The inspection bed according to appendix 29, wherein the fall prevention fences can be independently installed and stored.

(31) The inspection bed according to appendix 30, wherein the fall prevention fence can be stored or installed by rotating in the width direction of the bed.

(32) The inspection bed according to appendix 30, which can be stored or installed by rotating the fall prevention fence with respect to the longitudinal direction of the bed.

(33) For endoscopic examination according to Supplementary Note 1 or Supplementary Note 2 or Supplementary Note 6, in which at least one fall prevention fence is provided on both sides of at least the backrest portion and the waist receiving portion constituting the bed, respectively. bed.

(34) The endoscopic examination bed according to appendix 33, wherein the fall prevention fences provided on the backrest portion and the waist receiving portion can be independently installed and stored.

(35) The endoscopic examination bed according to appendix 34, wherein the backrest is rotatable while the fall prevention fences provided on the backrest and the waist receiving portion are installed.

(36) The endoscopic examination bed according to appendix 34, wherein the fall prevention fences provided on the backrest portion and the waist receiving portion can be housed or installed by rotating in the width direction of the bed.

(37) The endoscopic examination bed according to appendix 34, wherein the fall prevention fences provided on the backrest portion and the waist receiving portion can be housed or installed by rotating with respect to the longitudinal direction of the bed.

[0208]

As described above, according to the present invention, the subject can easily take the posture peculiar to the endoscopy and the burden on the subject is reduced, and the burden on the operator and the nurse is reduced. Less
There is an effect that examination under an endoscope can be performed efficiently.

[Brief description of drawings]

FIG. 1 to FIG. 3 relate to a first embodiment of the present invention, and FIG. 1 is an explanatory view showing a schematic configuration of an endoscopic examination bed,

FIG. 2 is a partial cross-sectional view illustrating a turning position fixing means and a lifting means provided on an endoscopic examination bed,

FIG. 3 is a view for explaining a bed state and a chair state of the endoscopic examination bed,

FIG. 4 is an explanatory view showing another configuration of the endoscopic examination bed according to the second embodiment of the present invention,

FIG. 5 is an explanatory view showing another configuration of the endoscopic examination bed according to the third embodiment of the present invention;

6 and 7 relate to a fourth embodiment of the present invention,
FIG. 6 is an explanatory view showing the structure of an endoscopy bed provided with a head support part,

FIG. 7 is an explanatory diagram showing a schematic configuration of a head support portion,

FIG. 8 is a view showing an example of another embodiment of the mattress dividing method,

9 and 10 relate to a modified example of the fourth embodiment, and FIG. 9 is an explanatory view showing another configuration of the endoscopic examination bed provided with the head support portion,

FIG. 10 is an explanatory view showing a schematic configuration of a head support part,

FIG. 11 is an explanatory diagram showing a configuration of an endoscopic examination bed capable of performing Trendelenburg according to the fifth embodiment of the present invention;

12 and 13 relate to a modified example of the fifth embodiment, and FIG. 12 is an explanatory view showing another configuration of the endoscopic examination bed capable of performing Trendelenburg.

FIG. 13 is an explanatory diagram showing a schematic configuration of a gas spring,

14 to 17 relate to an endoscopic examination bed having a traveling direction changing means, and FIG. 14 is an explanatory view showing a schematic configuration of the endoscopic examination bed,

FIG. 15 is an explanatory view showing a handle which is a traveling direction changing means,

16 is a cross-sectional view taken along the line FF of FIG.

17 is a sectional view taken along line EE of FIG.

FIG. 18 is a view showing the configuration of another part of the handle that is the traveling direction changing means;

19 to 21 relate to an endoscopic examination bed having another advancing direction changing means, and FIG. 19 is an explanatory view showing a schematic configuration of the endoscopic examination bed,

FIG. 20 is an explanatory view showing a traveling direction changing mechanism,

FIG. 21 is an explanatory view showing the inside of the bevel gear box,

22 and 23 are views for explaining an endoscopic examination bed excellent in straightness, and FIG. 22 is an explanatory view showing a schematic configuration of the endoscopic examination bed,

FIG. 23 is an explanatory diagram showing a configuration of a caster fixing mechanism,

FIG. 24 is an explanatory view showing an example of another configuration example of the caster fixing mechanism,

25 and 26 are views for explaining the configuration of an endoscopy bed using a commercially available switchable caster, and FIG. 25 is an explanatory diagram showing a schematic configuration of the endoscopy bed,

FIG. 26 is an explanatory view showing a caster fixing mechanism,

27 to 29 show a schematic structure of an inspection bed having a side guard and a side guard storage / installation function, and FIG. 27 is an explanatory view showing a schematic structure of the inspection bed,

FIG. 28 is a view showing a side guard installation state,

FIG. 29 is a view showing a side guide rotational movement state;

FIG. 30 is a diagram showing a schematic configuration of an endoscopy bed having a side guard storage / installation function,

31 to 35 are schematic diagrams showing an inspection bed having a side guard and a side guard storage / installation function of another configuration, and FIG. 31 is an explanatory view showing an outline configuration of the inspection bed. ,

32 is a cross-sectional view taken along the line BB of FIG. 31 in an installed state,

FIG. 33 is a sectional view taken along line CC of FIG. 32,

34 is a cross-sectional view taken along the line BB of FIG. 31 in a rotated state,

35 is a cross-sectional view taken along the line DD of FIG. 34,

FIG. 36 is a diagram showing a schematic configuration of an endoscopic examination bed having a side guard storage / installation function of another configuration;

[Explanation of symbols]

1 ... Endoscopy bed 2 ... Base frame 3 ... Sleeper 6 ... Elevating means 10 ... Backrest 20 ... Hip receiving part 30 ... Leg receiving part 40 ... Gas spring

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Makoto Toriyama             2-43 Hatagaya, Shibuya-ku, Tokyo Ori             Inside Npus Optical Industry Co., Ltd. (72) Inventor Tadoku Nomura             2-43 Hatagaya, Shibuya-ku, Tokyo Ori             Inside Npus Optical Industry Co., Ltd. F-term (reference) 4C061 GG11 HH60 JJ11

Claims (2)

[Claims] 1. A bed for endoscopy, which comprises a base member and a bed installed on the base member and is movable by a caster attached to the base member, wherein the bed is at least a backrest portion, A bed for endoscopy, comprising a waist receiving portion and a leg receiving portion, and having a turning means for turning the backrest portion below a horizontal position of the waist receiving portion. 2. The endoscopic examination according to claim 1, wherein when the force for turning the backrest is removed, the backrest automatically returns to the position before turning. Bet.