JP2682708B2 - Endoscope inspection table - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an endoscopic examination table capable of accommodating endoscope peripheral devices under an endoscopic bed.

[Problems to be solved by conventional technology and invention] In recent years, by inserting an elongated insertion portion into a body cavity,
2. Description of the Related Art Endoscopes capable of observing organs in a body cavity and the like and performing various treatments using a treatment tool inserted into a treatment tool channel as necessary are widely used.

By the way, when an endoscope is used, peripheral devices such as a light source device and an air / water supply device are required. These devices are
Usually, it is stored in a cart or the like and placed around the bed so that the operator can operate it. However, these devices have narrowed the examination room and hindered the operation of the operator and the nurse.

In order to deal with this, as disclosed in JP-A-60-156461 and JP-A-64-86930, there has been proposed a bed in which devices necessary for endoscopic examination are integrally incorporated. .

However, if various devices are incorporated in the bed, it is not possible to deal with the case where the device to be used differs depending on the inspection.

The present invention has been made in view of the above circumstances, and it is possible to effectively use the space of an endoscopic examination room and also to cope with the case where different endoscope peripheral devices are used depending on the examination. It is an object of the present invention to provide an endoscopic examination table that is made possible.

[Means for Solving the Problems] An endoscopic examination table according to the present invention includes an endoscopic bed having a bed main body on which a subject is placed and a support portion supporting the bed main body, and A base member on which the bed support is placed, the base member is integrally provided with an insulating transformer, and a space for accommodating endoscope peripheral devices is provided under the bed body. To do.

[Operation] In the present invention, in the space provided under the bed body,
The endoscope peripheral device is housed in a replaceable manner, and electric power is supplied from the insulating transformer to the housed endoscope peripheral device.

Embodiment An embodiment 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 a perspective view of an endoscope bed, FIG. 2 is a view taken along arrow A of FIG. 1, and FIG. 3 is a view taken along arrow B of FIG.

As shown in FIG. 1, an endoscopic bed 1 as an endoscopic examination table includes a bed body 2 on which a subject is placed, and, for example, four bed legs 3 that support the bed body 2. The bed main body 2 has a base 4 on which the bed leg 3 is placed and has an area substantially the same as the projected floor area. The base 4 and the bed leg 3 may be fixed or may not be fixed. A space 5 is provided between the bed body 2 and the base 4 for accommodating endoscope peripheral devices. In the present embodiment, the endoscope 13 is used as an endoscope peripheral device.
A light source device 7 for supplying illumination light to the interior and a rinsing device 8 for rinsing the endoscope 13 are housed in the space 5. A caster is attached to each of the light source device 7 and the rinsing device 8 so that the light source device 7 and the rinsing device 8 can be taken in and out of the space 5. The light source device 7 includes a signal processing device (processor) for an electronic endoscope. An insulating transformer 9 is attached on the base 4. Then, from this insulation transformer 9 through the power cord 10,
Electric power is supplied to the light source device 7 and the rinsing device 8.

The front end portion of the light source device 7 is slightly projected from the side portion of the bed 1, and the light source operation panel is provided above the projected portion.
11 and a connector receiver 12 are provided. As shown in FIG. 2, a connector 14 of an endoscope 13 is connected to the connector receiver 12.

In addition, at the rear end of the light source device 7, two support columns are supported.
16, 16 are attached. And this prop support 16,
A pedestal support 17 is supported by 16. A gantry 18 is attached to the upper part of the gantry support 17, and a TV monitor 19 is placed on the gantry 18. In addition, the pedestal support
17 may be fixed to the base 4.

A mat 21 is placed on the bed body 2, and a subject 22 is placed on the mat 21. In FIG. 2, reference numeral 23 is a pillow.

As shown in FIG. 3, the rinsing device 8 has a housing 25 having an opening at the front end, and a front lid 26 that opens and closes the opening. A rinsing chamber 27 is provided in the housing 25. One end of an endoscope rinsing tank 28 is rotatably attached to the front lid 26, and the other end of the rinsing tank 28 is a rinsing chamber 27.
A rail 29 provided therein is movably engaged. Then, when the front lid 26 is opened, the rinsing tank 28 is exposed to the outside, and when the front lid 26 is closed, the rinsing tank 28 is housed in the rinsing chamber 27. At the top of the rinsing chamber 27, there is a rinsing nozzle.
30 are provided. This washing nozzle 30 has a hose 31
A pump 32 is connected via the, and the pump 32 is connected to a rinsing liquid tank 33. A drainage port 34 is provided at the bottom of the rinsing tank 28, and the bottom of the rinsing chamber 27 is
A drainage port 35 is provided. The drain port 35 is connected to the rinsing liquid tank 33. In addition, an endoscope holding basket 36 that holds the endoscope 13 is provided in the washing tank 28.

In this scouring device 8, an endoscope holding basket is provided in the scouring tank 28.
The endoscope 13 held by 36 is accommodated, the pump 32 is driven, and the cleaning liquid is sprayed from the cleaning nozzle 30 to the endoscope 13 to clean the endoscope 13.

As described above, according to this embodiment, the space 5 for accommodating the endoscope peripheral devices such as the light source device 7 and the cleaning device 8 is provided under the bed body 2, so that the space of the endoscopic examination room is provided. Can be used effectively. In addition, since the endoscope peripheral device can be put in and taken out of the space 5, when the different endoscope peripheral device is used depending on the examination, the endoscope peripheral device stored in the space 5 is replaced. Can respond.

Further, an insulating transformer 9 is provided on the base 4, and electric power is supplied from the insulating transformer 9 to the peripheral equipments of the endoscope housed in the space 5. Therefore, the wiring of the endoscope system is arranged and the surgeon or the assistant is assisted. It is possible to ensure safety when moving a person, and to prevent the risk of disconnection etc. due to the pulling of the wiring cord when raising and lowering the bed, and the electric requirement which is an essential requirement for such an endoscope. It is possible to realize the maintenance of electrical safety by ensuring the insulation.

The gantry 18 may be horizontally rotatable.

FIG. 4 is a side view showing a bed in the second embodiment of the present invention.

In this embodiment, the gantry support 17 is clamped by the clamp 38.
It is attached to the bed leg 3. In addition, stand 17
May be attached to the bed body 2 by the clamp 38 or the like.

According to this embodiment, the legs of the gantry do not get in the way around the bed 1.

Other configurations, operations and effects are the same as those of the first embodiment.

FIG. 5 is a perspective view showing a bed in the third embodiment of the present invention.

In this embodiment, two bases 4a and 4b are provided, and the bases 4a and 4b are connected by an expansion / contraction adjusting fixing member 41 that adjusts and fixes the space between the bases. An insulating transformer 9 is attached on the one base 4b.

Further, on the base 4a, the legs of a gantry 42 for suspending a treatment tool or hanging an endoscope and the legs of a gantry 43 for mounting a TV monitor or the like are fixed. Further, on the base 4b, the feet of the frame 43 on which a TV monitor or the like is placed are fixed.

According to this embodiment, the bed 1 is placed on the bases 4a and 4b.
By placing the pedestals 42,4 within the projected area of the bed 1.
3 etc. can be fixedly installed. Also, the base 4a,
On the 4b, a light source device, a suction device, an air / water supply device, a rinsing device, an induction cauterization power supply device, etc. can be placed, and these devices are centrally supplied with power from an insulating transformer 9 under the bed body 2. Can be supplied. Therefore, the power supply cord does not get in the way.

Other configurations, operations and effects are the same as those of the first embodiment.

By the way, X-rays are frequently used in endoscopy, but recent advanced video control devices, CPUs, display devices, etc.
X-rays had a detrimental effect on these devices because of their poor resistance to rays. In particular, when these devices are housed under the bed or incorporated in the bed, these devices are directly exposed to X-rays, and there is a high possibility of damaging the devices.

Therefore, FIG. 6 shows an example of a bed in which the equipment can be protected from X-rays.

In this example, the bed includes a bed base 51, a control device storage section 60 provided below the bed base 51, and a bed control base 62 provided below the control device storage section 60. ing. On the bed base 51,
A cushion 52 is provided. A control unit 55 having a display device 53, an operation switch panel 54, and a scope connector 56 is provided below the bed base 51 so as to project laterally.

A light source device 57, a high frequency knife power supply device 58, and a VTR / photo control device 59 are housed in the control device housing section 60. Further, the bed control table 62 is provided with a bed operation foot switch 61.

In this example, the bed base 51 and the control device storage 60
Some or all of these are covered with an X-ray protective material such as lead. As a result, the light source device 57, high-frequency female power supply device 58, VT
Equipment such as the R / photo control device 59 can be protected from X-rays.

As a method of coating the X-ray protective material, it may be sprayed on the inner surface of the housing, or may be welded or adhered. In addition, only the housing of the device that needs to be protected from X-rays may be covered with the X-ray protection material.

Further, in this example, a switch that is turned on when a person is placed is embedded in the cushion 52. Then, when a person is placed on the bed, the switch is turned on, and the switches of various devices such as the light source device 57, the high-frequency female power supply device 58, the VTR / photo control device 59 are turned on, and the standby state for the inspection is set. It is like this.

7 to 10 relate to a fourth embodiment of the present invention, FIG. 7 is a perspective view of an endoscope bed in which the bed is folded, and FIG. 8 is a view in which the bed is unfolded. 10 is a perspective view of the endoscope bed, FIG. 9 is an enlarged perspective view of the pillow portion, and FIG.
The figure is an explanatory view showing the inner wall of the storage portion.

The present embodiment is an example in which a bed can be configured by a cart that stores peripheral devices of an endoscope and the like.

As shown in FIG. 7, the endoscope bed 71 according to the present embodiment.
The cart includes a cart section 72 and a bed section 73 provided on the upper section of the cart section 72. The cart portion 72 has a storage portion 76 capable of storing the light source device 74, the suction device 75, etc.,
Casters 77 are attached.

The bed portion 73 has a fixed portion 73a fixed to the upper surface of the cart portion 72, and folding portions 73b and 73c connected to each other by hinges on both sides of the fixed portion 73a. As shown in FIG. 8, when the folding portions 73b and 73c are unfolded, the fixed portion 73a and the folding portions 73b and 73c are horizontal, and a bed is formed by these. Further, support members 79, 79 for supporting the folding portions 73b, 73c in a horizontal state are foldably provided on both sides of the cart portion 72.

An upper digestive tract inspection pillow portion 80 is rotatably attached by a hinge to the end portion of the one folding portion 73b.
As shown in FIG. 8, the pillow portion 80 has a pillow 81 and a tray 82.
Is attached. The pillow portion 80 can be placed on the upper surface of the folded portion 73b in a horizontal state by rotating the pillow portion 80, and can be placed in a horizontal state with the folded portion 73b. In addition, a large intestine examination pillow portion 83 is rotatably attached to the end portion of the other folding portion 73c by a hinge. A pillow 84 is attached to the pillow portion 83 as shown in FIG. By rotating the pillow part 83, the pillow part 83 can be placed on the upper surface of the folding part 73c which is in a horizontal state, and can be placed in a horizontal state with the folding part 73c.

As shown in FIG. 10, a sound absorbing material 85 such as glass wool is attached to the inner wall of the storage section 76, and vibration from the equipment stored in the storage section 76 is hard to be transmitted to the subject on the bed section 73. I am trying to become.

As described above, according to this embodiment, the bed and the cart are integrated, so that the examination room can be effectively used.
Also, the bed can be easily moved.

FIG. 11 is a perspective view of the endoscope bed of the fifth embodiment of the present invention.

The endoscope bed 91 of the present embodiment includes a bed body 92 and a columnar support portion 93 that supports the bed body 92. A cart can be stored under the bed body 92. As this cart, for example, a colon examination cart 94 and an upper digestive tract examination cart 95 are prepared.

As described above, according to this embodiment, the carts 94 and 95 can be stored under the bed body 92, and the examination room can be effectively used.

In addition, carts 94, 95 prepared in advance according to the type of inspection
Can be selectively stored under the bed body 92, the preparation time for inspection can be shortened, and the operability is good.

By the way, during the examination, it is less painful for the subject to relax as much as possible, but when the person goes up to the bed, he / she is inevitably tense, extra force is applied, and the pain is often increased. In this case, you can relax by talking to the surgeon or nurse, but you cannot always talk to each other because both are busy during the operation.

Therefore, FIGS. 12 to 19 show an example in which an acoustic device or an audiovisual device is provided on the endoscope bed so that the subject can be relaxed during the examination.

 FIG. 12 is a perspective view of the bed of the first example.

The bed 101 in this example includes a bed body 102 and bed feet 103.
An audio device 104 such as a cassette tape recorder is attached to the bottom of the bed body 102.
A speaker 105 connected to the audio equipment 104 is embedded in the bed body 102 at a position corresponding to the head of the subject.

According to this example, music and the like can be played by the acoustic device 104 and the speaker 105, and the subject can be relaxed.

 FIG. 13 is a perspective view of the bed of the second example.

The bed 101 of this example has substantially the same configuration as that of the first example, except that the speaker 105 is provided in the pillow 106.

FIGS. 14 and 15 relate to the third example, FIG. 14 is a sectional view of the bed, and FIG. 15 is a perspective view of the bed.

In this example, a plurality of speakers 105 connected to the audio equipment 104 are attached to the bottom of the bed body 102 and covered with a housing 107.

According to this example, when the speaker 105 emits a sound, the bed body 102 slightly vibrates, and the subject can be relaxed by the sound and the vibration.

 FIG. 16 is a perspective view of the bed of the fourth example.

In this example bed 101, the VTR1 is attached to the bottom of the bed body 102.
08 is provided, and a small television monitor 109 such as a liquid crystal television connected to the VTR 108 is provided on the side of the bed body 102 at a position corresponding to the head of the subject.

According to this example, the patient is distracted by looking at the monitor image during the operation.

Further, by showing medical information, life guidance information, explanations about the examination, etc. as a program displayed on the monitor 109, it is possible to more effectively explain the medical condition, illness, etc. to the subject after the examination. it can.

 FIG. 17 is a perspective view of the bed of the fifth example.

In the bed 101 of this example, the television monitor 109 is attached to the bed main body 102 so as to be arranged above the head of the subject. Further, the bed body 102 is provided with speakers 110, 110 at positions corresponding to both sides of the head of the subject.

According to this example, the subject can see the television monitor 109 in the case of an examination performed in the supine position such as an examination of the upper gastrointestinal tract, bronchi, urology, uterus, and an obstetrics and gynecology examination.

18 and 19 relate to the sixth example, FIG. 18 is a perspective view of the bed, and FIG. 19 is a sectional view of the bed.

In this example, a rectangular hole is formed at a position of the bed body 102 corresponding to the head of the subject, and the housing 11 is provided below the hole.
1 is attached, and a television monitor 112 is provided in this housing 111. Further, the hole is closed by glass 113.

According to this example, as shown in FIG. 19, in the case of an abdominal position test such as a large intestine test, the subject is monitored by the television monitor 112.
Can be seen.

By the way, the conventional bed used for the endoscopic examination has few functions, and the bed dedicated to the endoscope is expensive.

Therefore, FIGS. 20 to 23 show an example of an inexpensive endoscope bed constructed by attaching an adapter bed having a posture changing function to an existing bed.

20 and 21 relate to the first example, FIG. 1 is a side view of the bed, and FIG. 21 is a view on arrow C of FIG.

In this example, the existing bed 121, the adapter bed 1
22 is installed. This adapter bed 122 is a base fixed on the bed 121 by a fixing bracket 123.
The bed body 124 includes a bed body 126 rotatably attached to the base 124 by a fixed shaft 125.
26 is biased upward by a leaf spring 127. Further, the movable end of the bed body 126 is provided with a fixture 128 that fixes the movable end to the base 124 and brings the bed body 126 into a horizontal state.

According to this example, by mounting the adapter bed 122 on the existing bed 121, an endoscope bed having a posture changing function is configured. In this bed, the fixture
When the movable end of the bed body 126 is fixed to the base 124 by 128, the bed body 126 becomes horizontal. Further, when the fixture 128 is removed, the bed body 126 is tilted by the biasing force of the leaf spring 127 so as to lift the head side of the subject.

A handrail may be provided beside the bed body 126, or a pillow or a tray of the bed body 126 may be provided.

22 and 23 relate to the second example, FIG. 22 is a side view of the bed, and FIG. 23 is a perspective view of the bed drive mechanism.

In this example, the existing bed 121, the adapter bed 1
32 is installed. The adapter bed 132 is a base fixed on the bed 121 by a fixing bracket 133.
Bed base (a) is provided at one end of this base 134.
One end of 136a is rotatably attached by a hinge or the like. One end of the bed body (b) 136b is movably attached to the other end of the bed body (a) 136a by a hinge or the like. The base 134 is provided with a movable nut 137 that is movable in the longitudinal direction, and the bed main body (b) 136b.
The other end thereof is rotatably attached to the moving nut 137. The moving nut 137 is screwed onto a bolt 138 provided along the longitudinal direction of the base 134. A handle 139 for rotating the bolt 138 is attached to one end of the bolt 138.

In this example, when the bolt 138 is rotated by the handle 139, the moving nut 137 moves, and accordingly, the connecting portion between the bed main body (a) 136a and the bed main body (b) 136b moves up and down. This makes it possible to change the posture of the subject, as shown in FIG.

Next, FIGS. 24 and 25 show an example in which a step is detachably attached to an existing bed.

FIG. 24 is a side view of the step device with the steps folded, and FIG. 25 is a side view of the step device with the steps unfolded.

In this example, the step device 143 is attached to the side portion of the bed body 141 of the existing bed. The step device 143 includes a frame 144, a clamp portion 145 for attaching the frame 144 to the bed body 141, a first step 147 rotatably attached to the frame 144 by a rotation shaft 146, and the frame 144. And a second step 149 that is rotatably attached by a rotary shaft 148. Note that the first step 147 is the upper stage and the second step 149 is the lower stage. Also, the first step 1
47 is shorter than the second step 149. Both steps 147 and 149 can be folded as shown in FIG. 24 and can be unfolded as shown in FIG. 25. In this unfolded state, steps are formed. In the figure, reference numeral 142 is the foot of the existing bed.

According to this example, the existing bed can be easily made into a bed with steps.

Next, FIGS. 26 to 28 show an example of a foldable bed so that the examination room can be widely used.

FIG. 26 is a side view of the bed, FIG. 27 is a perspective view of the bed fixing plate, and FIG. 28 is a perspective view of the bed.

As shown in FIG. 28, the bed 151 of this example has two bed fixing plates 152, 152 having a predetermined interval. An elongated hole 153 is formed in the bed fixing plate 152 as shown in FIG. This long hole 153 has a vertically long narrow portion.
153a and a large-diameter portion 153b having a substantially circular shape formed at the lower end of the small-diameter portion 153a. As shown in FIG. 28, a bed main body 154 is provided between the bed fixing plates 152, 152. As shown in FIG. 26, the bed main body 154 is rotatably attached to the bed fixing plate 152 at the lower end by a rotary shaft 155. A fixed rope 156 is installed between the upper ends of the bed fixing plate 152 and the bed main body 154. As shown in FIG. 26, the fixed rope 156 is set to have a length that holds the bed main body 154 in a horizontal state with the bed fixing plate 152 kept vertical.

Further, as shown in FIG. 26, a bolt 162 is embedded in a wall 161 of the inspection chamber at a position corresponding to the elongated hole 153. The diameter of the head of the bolt 162 is the large diameter portion of the long hole 153.
It is smaller than the diameter of 153b and larger than the diameter of the small diameter portion 153a. The diameter of the shaft portion of the bolt 162 is smaller than the diameter of the small diameter portion 153a of the elongated hole 153. Therefore, as shown in FIG. 26, the bed 151 is fixed to the wall 161 by passing the head of the bolt 162 through the large diameter portion 153b of the long hole 153 and pushing down the bed fixing plate 152.

According to this example, at the time of inspection, as shown in FIG.
When the bed 151 is unfolded and the inspection is not performed, the bed 151 is folded as shown in FIG. 28, so that the examination room can be widely used.

[Effects of the Invention] According to the present invention as described above, since the space for accommodating endoscope peripheral devices is provided under the bed body,
You can effectively use the space of the endoscopy room,
Moreover, there is an effect that it is possible to deal with the case where different endoscope peripheral devices are used depending on the examination.

[Brief description of the drawings]

1 to 3 relate to a first embodiment of the present invention, FIG. 1 is a perspective view of an endoscope bed, FIG. 2 is a view taken in the direction of arrow A in FIG. 1, and FIG. 3 is FIG. 4 is a second view of the present invention.
FIG. 5 is a side view showing a bed in an embodiment, FIG. 5 is a perspective view showing a bed in a third embodiment of the present invention, and FIG. 6 is a perspective view showing an example of a bed capable of protecting equipment from X-rays. 7 to 10 relate to a fourth embodiment of the present invention,
7 is a perspective view of the endoscope bed with the bed portion folded, FIG. 8 is a perspective view of the endoscope bed with the bed portion unfolded, and FIG. 9 is an enlarged pillow portion. Perspective view showing the first
FIG. 10 is an explanatory view showing the inner wall of the storage portion, FIG. 11 is a perspective view of the endoscope bed of the fifth embodiment of the present invention, and FIGS.
The figure relates to an example in which audio equipment or audiovisual equipment is provided in an endoscopic bed, and FIG. 12 is a perspective view of the bed of the first example, FIG.
The figure shows a perspective view of the bed of the second example, FIGS. 14 and 15 relate to the third example, FIG. 14 is a sectional view of the bed, FIG. 15 is a perspective view of the bed, and FIG. 17 is a perspective view of the bed of the example 4;
The figure is a perspective view of the bed of the fifth example, FIGS. 18 and 19 are of the sixth example, FIG. 18 is a perspective view of the bed, FIG. 19 is a sectional view of the bed, and FIGS. Fig. 23 relates to an example of an endoscopic bed having a posture changing function, Figs. 20 and 21 relate to the first example, Fig. 1 is a side view of the bed, and Fig. 21 is C of Fig. 20. The arrow view, FIGS. 22 and 23 relate to the second example, FIG. 22 is a side view of the bed, FIG. 23 is a perspective view of the bed drive mechanism,
24 and 25 relate to an example of a bed with steps,
FIG. 24 is a side view of the step device in which the steps are folded, FIG. 25 is a side view of the step device in which the steps are unfolded, and FIGS. 26 to 28 relate to an example of a folding bed, and The figure is a side view of the bed, FIG. 27 is a perspective view of the bed fixing plate, and FIG. 28 is a perspective view of the bed. DESCRIPTION OF SYMBOLS 1 ... Endoscope bed, 2 ... Bed main body 4 ... Base, 5 ... Space 7 ... Light source device, 8 ... Rinsing device 9 ... Insulation transformer

Front page continued (72) Inventor Masahiro Kawashima 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Shinsho Akui 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Industry Co., Ltd. (72) Inventor Shinichi Nishigaki 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Industry Co., Ltd. (72) Inventor Akira Takano 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Industry Co., Ltd. (72) Inventor Kenichiro Maki 2-43-2 Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (72) Inventor Takeaki Nakamura 2-43-2 Hatagaya, Shibuya-ku, Tokyo Oh Within Limpus Optical Co., Ltd. (72) Inventor Toshiaki Nishikori 2-43-2 Hatagaya, Shibuya-ku, Tokyo O Within Lympus Optical Co., Ltd. (72) Masaaki Hayashi 2-43-2 Hatagaya, Shibuya-ku, Tokyo Oh From Lympus Optical Co., Ltd. (72) Stuart Mill Greengrass UK Essex SS 25 Cues Southend on Sea Stock Road Kimed House (no house number) Kimed (Medicinal and Industrial Equipment) in Eltidy (72) Inventor Christopher Parker UK Essex SS 25 Cu -H Southend on Sea Stock Road Kimed House (No house number) Kimed (Medical and Industrial Equipment) Within Eltidy (56) References JP 60-156461 (JP, A) Actual 60-178455 (JP) , U) Actual development Sho 58-90165 (JP, U)

Claims (1)

(57) [Claims] 1. An endoscopic bed having a bed main body on which a subject is placed and a support portion supporting the bed main body, and a base member on which the bed support portion is placed, An endoscopic examination table characterized in that an insulating transformer is provided integrally with a base member, and a space for accommodating endoscope peripheral devices is provided under the bed body.