JP6589455B2 - Medical wagon - Google Patents

Description

  The present invention relates to a medical wagon suitably used in a medical institution such as a hospital.

  2. Description of the Related Art Conventionally, medical wagons used by nurses and medical workers to move articles such as medical materials are known (see, for example, Patent Document 1). In general, a plurality of such medical wagons are arranged in a nurse station, a treatment room, or the like.

  However, the conventional device has a disadvantage that it occupies a relatively wide space because it can only be arranged adjacent to each other when not in use.

JP 2007-82660 A

  The present invention has been made paying attention to the above circumstances, and provides a medical wagon that can suitably place an article and can wait for a plurality of units in a space efficient manner when not in use. There is.

  That is, the present invention has the following configuration.

  The invention according to claim 1 includes a tray having an article mounting surface that is substantially rectangular in a plan view, and a tray support frame that is disposed under the tray and can rotatably support the tray. And a support body having a caster at the lower end, and a medical wagon configured to be stackable in the front-rear direction with another medical wagon having the same structure, wherein the tray support frame is provided on the tray. The left and right side support portions that can support the side portion from the lower side are provided, and at least a part of the tray is stacked with another medical wagon having the same structure, the tray of the other medical wagon It is a medical wagon that can overlap the upper part.

  The invention according to claim 2 is characterized in that the tray has a front guide portion having an inclined surface at a front end portion and a rear guide portion having an inclined surface at a rear end portion. 2. The guide portion of the present invention or the rear guide portion is configured to be able to contact a tray of the other medical wagon when stacking with another medical wagon having the same structure. The medical wagon as described.

  According to a third aspect of the present invention, the tray support frame connects the left and right side support portions that can support the side portions of the tray from below, and the front end portions of the left and right side support portions. The front support part which can support a front part from the lower side, and the tray attachment part which has a rotating shaft connected to the shaft holding part of the rear part of the tray are provided, and the left and right side support parts are substantially linear. The left and right side support portions are arranged so as to gradually approach the front, and the rear portions of the left and right side support portions are exposed outward from the tray in plan view. It is the medical wagon of Claim 1 or 2 comprised as follows.

  In the invention according to claim 4, the tray includes a tray main body having the article mounting surface, and a peripheral wall member provided on a peripheral edge of the tray main body, and the peripheral wall member is The tray body is provided with an upward wall erected upward from the peripheral edge of the tray body and a downward wall extending downward from the upward wall, and the tray mounting portion includes the rotation shaft and the rotation shaft. A rotation shaft support portion extending in a direction different from the shaft and connecting between the rotation shaft and the left and right side support portions is provided, and the rotation shaft is disposed inside the lower wall. 3. The medical wagon according to 3.

  According to a fifth aspect of the present invention, the tray mounting portion extends between the rotating shaft extending in the left-right direction, the end of the rotating shaft extending in a direction substantially orthogonal to the rotating shaft, and the left and right side support portions. The medical wagon according to claim 4, wherein the medical support wagon has a U-shape in plan view provided with a rotation shaft support portion that connects the two, and the rotation support portion is engaged with a peripheral wall member of the tray. .

  According to a sixth aspect of the present invention, the peripheral wall member includes an inner wall including the upper wall standing upward from a peripheral edge of the tray main body, and an outer wall formed outside the inner wall and including the lower wall. The medical wagon according to claim 4 or 5, comprising:

  In the invention according to claim 7, the tray has a front guide portion having a downward inclined surface at a front end portion and a rear guide portion having an upward inclined surface at a rear end portion. And the front guide portion can be engaged with a rear guide portion in a tray of the other medical wagon when stacking with another medical wagon having the same structure, and the rear guide portion Is capable of engaging with a front guide in a tray of the other medical wagon when stacking with another medical wagon having the same structure. The medical wagon as described.

  According to an eighth aspect of the present invention, the tray has a front guide portion having an inclined surface at a front end portion, and a rear guide portion having an inclined surface at a rear end portion. Any one of the guide section and the rear guide section is configured to be able to contact the tray of the other medical wagon when stacking with another medical wagon having the same structure. The tray is provided with a plurality of ribs extending in the front-rear direction, and the front guide portion is mainly composed of the rib exposed toward the front side. 5. A medical wagon according to 5, 6 or 7.

  The invention according to claim 9 is the medical according to claim 1, 2, 3, 4, 5, 6, 7 or 8, wherein the tray is configured to be rotatable and detachable with respect to the support. It is a wagon for use.

  As described above, according to the present invention, it is possible to provide a medical wagon that can favorably place an article and can efficiently wait for a plurality of units when not in use.

The perspective view which shows one Embodiment of this invention. The front view in the embodiment. The rear view in the embodiment. The right view in the same embodiment. The top view in the embodiment. XX sectional drawing in FIG. The exploded perspective view in the embodiment. The side view for demonstrating the stacking state in the same embodiment. The Y direction arrow directional view in FIG. The perspective view which shows the aspect which attached the option in the same embodiment. The perspective view which shows other embodiment.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

  In this embodiment, the present invention is applied to a medical wagon A that is furniture. The medical wagon A is suitably used in medical institutions such as hospitals. The medical wagon A is used when a nurse or a medical worker moves various items in a medical institution, and for example, a plurality of medical wagons A can be arranged in a treatment room, a nurse station of a ward, and the like.

  Hereinafter, each component of the medical wagon A will be described in detail.

  The medical wagon A includes a support body B mainly composed of a metal pipe material, and a tray C supported so as to be rotatable in the vertical direction with respect to the support body B. As shown in FIGS. 8 and 9, the medical wagon A is configured to be stackable in the front-rear direction with another medical wagon A 'having the same structure.

  First, the support B will be described.

  The support B is arranged on the casters b1 disposed at the two front portions and the two rear portions, and the casters b1 on the rear side, and is supported by the casters b1 and extends in the vertical direction. Left and right standing frames b3 and b4 which are parallel frames, left and right handle frames b5 and b6 extending continuously from the upper ends of the left and right standing frames b3 and b4, and front end portions of the left and right handle frames b5 and b6 And an upper tray support frame b2 having left and right side support portions b21 that form a straight line extending continuously from the front to the rear. A tray C (upper tray C) is arranged on the tray support frame b2. A lower tray support frame b7 having substantially the same configuration as the upper tray support part frame b2 is disposed on the front caster b1. The rear end portions of the left and right side support portions b71 that form a straight line in the lower tray support frame b7 are connected to the vicinity of the lower end portions of the left and right standing frames b3 and b4. A tray C (lower tray C) is disposed on the tray support frame b7. A linear first connecting member b8 is installed between the left and right standing frames b3 and b4. Between the left and right handle frames b5 and b6, a second connecting member b9 having a linear shape is installed.

  In this embodiment, the portions other than the casters b1 in the support B are made of a metal pipe material, and by bending a plurality of pipe materials at predetermined locations and firmly connecting the predetermined locations by welding. It is configured. The caster b1 on the rear side is provided with a lock mechanism b11 so that the wheel can be fixed at a predetermined position by operating the foot of the user.

  The upper tray support frame b2 connects the left and right side support portions b21 that can support the side portion of the tray C from the lower side, and the front end portions of the left and right side support portions b21, and lowers the front portion of the tray C on the lower side. A front support part b22 that can be supported from the front and a tray attachment part b23 that can be detachably connected to the tray C. The tray support frame b2 supports the tray C directly or indirectly in a state where an article (not shown) can be placed.

  The left and right side support portions b21 have a substantially linear shape in plan view. The left and right side support portions b21 are arranged symmetrically, and are arranged so as to gradually approach toward the front. The rear portions of the left and right side support portions b21 are configured to be exposed outward from the tray C in plan view. In other words, the rear side edge of the tray C is supported by the left and right side support portions b21 located under the tray C.

  The front support part b22 is constructed between the front ends of the left and right side support parts b21. The front support portion b22 can support the front portion side of the tray C from the lower surface side. A buffer member (not shown) is disposed on the upper surface side of the front support portion b22 as appropriate in order to reduce the impact with the tray C.

  The tray attachment part b23 is formed of a member having a smaller diameter than the side support part b21. The tray mounting portion b23 is disposed on the rear side of the tray C, and extends in the left-right direction that can engage with the shaft holding portion c2 provided on the tray C, and the front and rear directions are different from the rotational axis kj. A rotation shaft support portion js extending in the direction and connecting between the rotation shaft kj and the left and right side support portions b21. In other words, the tray mounting portion b23 includes the rotation axis kj extending in the left-right direction, the end of the rotation axis kj extending from the both ends of the rotation axis kj in the front direction substantially orthogonal to the rotation axis kj, and the left and right side support portions. a rotation shaft support portion js that connects to b23, and is formed in a substantially U-shape in plan view.

  The rotation axis kj is disposed inside the left and right outer walls s7 and s8 including the left and right downward walls dw formed in the wagon C. That is, the rotation axis kj is set to a longitudinal dimension that can be positioned between the left and right outer walls s7 and s8. The rotation shaft support portion js is configured to engage with the peripheral wall member S formed around the article placement surface c1 in the tray C so that the tray C does not easily move in the left-right direction with respect to the support B. The details of the relationship between the support B and the tray C will be described later.

  The left and right standing frames b3 and b4 that are the left and right parallel frames extend in the vertical direction and are supported by the rear casters b1. The left and right standing frames b3 and b4 are arranged substantially in parallel. A first connecting member b8 that extends linearly in the left-right direction is disposed between substantially the middle portions of the left and right standing frames b3, b4. The first connecting member b8 is a member having a smaller diameter than the left and right standing frames b3 and b4.

  The left and right handle frames b5 and b6 constitute a part that the user can hold in a normal use state. The left and right handle frames b5 and b6 are arranged symmetrically. That is, the left handle frame b5 and the right handle frame b6 are provided independently.

  The left and right handle frames b5 and b5 are continuous from the upper ends of the left and right standing frames b3 and b4, and extend straight in a rearwardly inclined manner in a side view, and these linear handle frame portions Curved handle frame portions b52 and b62 each having a portion which is continuous from the upper end portions of b51 and b61 and is curved in a substantially half arc shape in a side view.

  As shown in FIG. 5, the left handle frame b5 and the left side support part b21 constituting the tray support frame b2 constitute a continuous left straight part so as to form a substantially straight line in a plan view. ing. As shown in FIG. 5, the right handle frame b6 and the right side support part b21 constituting the tray support frame b2 constitute a continuous right straight part so as to form a substantially straight line in a plan view. ing. In this embodiment, the left straight portion and the right straight portion are arranged so as to gradually approach toward the front. A rear end portion of the tray C is disposed between the left and right handle frames b5 and b6 in plan view.

  Part of the left and right handle frames b5 and b6 is located above the left and right side support portions 21 in a side view. Part of the left and right handle frames b5 and b6 are located behind the left and right standing frames b3 and b4 in a side view. The left and right handle frames b5 and b6 have portions formed in a substantially quarter arc shape in a side view from the top part tp to the rear part. In other words, the curved handle frame parts b51 and b61 in the left and right handle frames b5 and b6 have a portion formed in a substantially quarter arc shape from the top tp located at the top in the side view to the rear. ing.

  A second connecting member b9 extending in a straight line in the left-right direction is disposed between substantially intermediate portions of the left and right handle frames b5, b6.

  Since the lower tray support frame b7 and the upper tray support frame b2 have substantially the same configuration, detailed description thereof is omitted. Also, the lower tray C supported by the lower tray support frame b7 has substantially the same configuration as that of the upper tray C, and therefore, common reference numerals are given and description thereof is omitted. That is, the lower tray support frame b7 connects the left and right side support portions b71 that can support the side portion of the lower tray C from the lower side, and the front end portions of the left and right side support portions b71. The front support part b72 which can support a part from lower side, and the tray attachment part b73 which can be connected with the tray C so that attachment or detachment is possible are provided. The tray attachment part b73 is formed of a member having a smaller diameter than the side support part b71. The tray attachment portion b73 is arranged on the rear side of the tray C, and extends in the left-right direction that can engage with the shaft holding portion c2 provided in the tray C, and the front and rear directions are different from the rotation axis kj. A rotation shaft support portion js extending in the direction and connecting between the rotation shaft kj and the left and right side support portions b71.

  Next, the tray C will be described.

  The tray C is made of a synthetic resin. The tray C is configured to be rotatable and detachable with respect to the support B. The tray C includes a tray body H having an article placement surface c1 that has a substantially rectangular shape that is long in the front-rear direction in plan view, and a peripheral wall member S that is provided at the periphery of the tray body H.

  The tray C has a front guide portion c3 having a downward inclined surface ka at a lower portion in the front end portion, and a rear guide portion c4 having an upward inclined surface kb in a portion on the upper surface side in the rear end portion. Have. The front guide part c3 is provided at a position that can be viewed from the front side, and the rear guide part c4 is provided at a position that can be viewed from the back side.

  In this embodiment, the front guide portion c3 is formed at a position extending between the tray main body H and the peripheral wall member S. The rear guide part c4 is formed on the peripheral wall member S. The downward inclined surface ka is inclined so as to be positioned gradually downward from the front to the rear. The upward inclined surface kb is inclined so as to be positioned gradually upward from the rear to the front.

  Either one of the front guide part c3 and the rear guide part c4 hits the tray C ′ of the other medical wagon A ′ when stacking with another medical wagon A ′ having the same structure. It is comprised so that it may touch. More specifically, the front guide portion c3 is related to the rear guide portion c4 ′ in the tray C ′ of the other medical wagon A ′ when stacking with the other medical wagon A ′ having the same structure. It is what you get. The rear guide part c4 can be engaged with the front guide part c3 in the tray of the other medical wagon A 'when stacking with another medical wagon A' having the same structure.

  The tray C includes a plurality of ribs rb extending in the front-rear direction on the lower surface side. The rib rb is continuously provided on the lower surface of the tray body H and the lower surface of the peripheral wall member S. The rib rb has a rail shape projecting downward in a manner extending in the front-rear direction. A plurality of ribs rb are provided in the left-right direction. In this embodiment, the front guide portion c3 includes a rib rb exposed toward the front side.

  The tray main body H includes a substantially flat article placement surface c1 on the upper surface side. The article placement surface c1 has a rectangular shape that is long in the front-rear direction, and is set to a size that allows four (two in the front and rear) rectangular bats for placing medical supplies to be arranged side by side.

  The peripheral wall member S is a part surrounding the article placement surface c1. The peripheral wall member S is formed outside the inner walls s1, s2, s3, s4 and the inner walls s1, s2, s3, s4 including the upper and lower inner walls s1, s2, s3, s4 including the upward wall up erected upward from the peripheral edge of the tray body H. Front and rear left and right outer walls s5, s6, s7, and s8 including a downward wall dw that extends downward from the inner walls s1, s2, s3, and s4 are provided.

  The inner walls s1, s2, s3, and s4 are continuously provided from the peripheral edge of the tray main body H. The inner walls s1, s2, s3, and s4 are formed at positions where an article (not shown) placed on the article placement surface c1 can come into contact with the inner walls s1, s2, s3, and s4.

  The outer walls s5, s6, s7, s8 are connected from the upper edge of the inner walls s1, s2, s3, s4. The outer walls s5, s6, s7, s8 are formed so as to be located outside the inner walls s1, s2, s3, s4.

  The peripheral wall member S is provided with a shaft holding portion c2 that is fitted around the rotation shaft kj of the tray mounting portion b23 and pivotally supports the rotation shaft kj. In this embodiment, the shaft holding part c2 is formed between the rear inner wall s2 and the rear outer wall s6 in the peripheral wall member S.

  The peripheral wall member S includes an engagement portion c5 that is engaged with the rotation shaft support portion js of the tray attachment portion b23 and suppresses the tray C from moving in the left-right direction with respect to the support B. In this embodiment, the engaging part c5 is provided between the left inner wall s3 and the left outer wall s7 in the peripheral wall member S, and between the right inner wall s4 and the right outer wall s8. The engaging portion c5 is formed in the left and right peripheral wall members S on the rear side of the tray C, and is a groove-like portion extending in the front-rear direction so as to accommodate the rotating shaft support portion js. The engaging part c5 is set so as to be able to come into sliding contact with the rotating shaft support part js arranged in a pair on the left and right.

  In this embodiment, when the medical wagon A is moved from the rear to the other medical wagon A ′ having the same structure and stacked with the other medical wagon A ′, At least a part of the tray C of the medical wagon A can be overlapped with the upper part of the tray C ′ of the other medical wagon A ′. More specifically, in the stacking state, the front part of the tray C of the medical wagon A can be overlapped with the upper side of the rear part of the tray C 'of the other medical wagon A'. The tray C can take an obliquely inclined posture in the stacking state.

  As described above, the medical wagon A according to the present embodiment includes the tray C having the article mounting surface c1 having a substantially rectangular shape in plan view, and the tray C disposed below the tray C. A support body B having a tray support frame b2 that can be rotatably supported and a caster c1 at the lower end is provided. The medical wagon A is configured to be stackable in the front-rear direction with another medical wagon A 'having the same structure. The tray support frame b2 includes left and right side support portions b21 that can support the side portion of the tray C from below. When the medical wagon A is stacked with another medical wagon A ′ having the same structure, at least a part of the tray C can overlap the upper portion of the tray C ′ of the other medical wagon A ′. ing. For this reason, it is possible to provide a medical wagon A that can suitably place an article and can efficiently wait for a plurality of units when not in use.

  The tray C has a front guide portion c3 having an inclined surface ka at the front end portion, and a rear guide portion c4 having an inclined surface kb at the rear end portion. When either the front guide part c3 or the rear guide part c4 is stacked with another medical wagon A ′ having the same structure, it can come into contact with the tray C ′ of the other medical wagon A ′. It is configured. For this reason, the tray C is suitably guided during stacking, and appropriate stacking can be performed smoothly.

  The tray support frame b2 connects the left and right side support portions b21 that can support the side portion of the tray C from below, and the front ends of the left and right side support portions b21 to support the front portion of the tray C from below. And a tray mounting portion b73 having a rotation axis kj arranged at the rear portion of the tray C and connected to the shaft holding portion c2 of the tray C. The left and right side support parts b21 have a substantially linear shape, and the left and right side support parts b21 are arranged so as to gradually approach the front, and the rear part of the left and right side support parts b21. Is exposed to the outside of the tray C in plan view. Therefore, not only has the structure of the support B that can be stacked, but also a structure that can support the left and right end portions of the tray C from below by the left and right side support portions b21.

  The tray C includes a tray main body H having an article placement surface c1 and a peripheral wall member S provided on the periphery of the tray main body H. The peripheral wall member S includes an upper wall up standing upward from the peripheral edge of the tray main body H and a lower wall dw extending downward from the upper wall up. The tray mounting portion b23 includes a rotation shaft kj and a rotation shaft support portion js that extends in a direction different from the rotation shaft kj and connects between the rotation shaft kj and the left and right side support portions b21. The axis kj is disposed inside the downward wall dw. For this reason, since the rotating shaft jk is located inside the downward wall dw, it is possible to suitably suppress the tray C from moving in the left-right direction with respect to the support B.

  The tray mounting portion b23 has a rotation shaft kj extending in the left-right direction, and a rotation shaft support portion js extending in a direction substantially orthogonal to the rotation shaft kj and connecting between the end of the rotation shaft kj and the left and right side support portions b21. It has a U-shape in plan view with The rotation shaft support portion js is engaged with the peripheral wall member S of the tray C. For this reason, it can suppress suitably that the tray C shakes in the left-right direction with respect to the support body B.

  The peripheral wall member S is formed on the inner walls s1, s2, s3, s4 including the upward wall up standing upright from the peripheral edge of the tray body H, and is formed on the outer side of the inner walls s1, s2, s3, s4 and is in the downward direction. The outer walls s5, s6, s7, and s8 including the wall dw are provided. For this reason, not only can the structure in which the article placed on the article placement surface c1 hardly fall off be obtained, but also the tray C can move in the left-right direction with respect to the support B in cooperation with the tray mounting portion b23. Therefore, it is possible to obtain a structure that can suitably suppress the occurrence of the above.

  When the front guide part c3 is stacked with another medical wagon A ′ having the same structure, it can be engaged with the rear guide part c4 ′ in the tray C of the other medical wagon A ′. The rear guide part c4 can be engaged with the front guide part c3 ′ in the tray C ′ of the other medical wagon A ′ when stacking with the other medical wagon A ′ having the same structure. . Therefore, at the time of stacking, the front guide part c3 or the rear guide part c4 is engaged with the rear guide part c4 ′ or the front guide part c3 ′ in the other medical wagon A ′, and is preferably a tray. C is guided and appropriate stacking can be performed smoothly.

  The tray C includes a plurality of ribs rb extending in the front-rear direction. And the front guide part c3 is comprised mainly by the said rib rb exposed toward the front side. For this reason, not only contributes to maintaining strength, but also reduces the area that can come into contact with the tray C ′ of the other medical wagon A ′ so as to realize slipperiness with respect to the other tray C ′. The guide part c3 can be formed.

  The tray C is configured to be rotatable and detachable with respect to the support B. For this reason, it can be easily washed and is suitable for use in medical purposes.

  The present invention is not limited to the embodiment described in detail above.

  For example, as shown in FIG. 10, an optional accessory case E may be detachably attached to the medical wagon A. In other words, the medical wagon A can be applied with an attachment structure in which the accessory case E is supported between the standing frames b3 and b4 which are parallel frames forming a pair. The accessory case E includes a bowl-shaped main body e1 and a front-rear direction which is engaged with the pair of standing frames b3 and b4 provided on the side of the main body e1 and perpendicular to the vertical direction which is the longitudinal direction of the standing frames b3 and b4. And an upright frame engaging portion e2 that can restrict movement to the medical container, and the medical wagon A is an engaging portion that abuts the accessory case E and prohibits movement of the accessory case E from the attachment position. The first connecting member b8 is provided.

  Further, as shown in FIG. 11, the medical wagon A is provided with an intermediate tray support frame b0 supported between a right standing frame b3 and a left standing frame (not shown). The tray C may be supported on the intermediate tray support frame b0. The structure of the intermediate tray support frame b0 is the same as that of the upper tray support frame b2, and the description thereof is omitted. The structure of the tray C supported by the intermediate tray support frame b0 is the same as the structure of the tray C supported by the upper tray support frame b2 and the lower tray support frame b7, and thus the description thereof is omitted.

  The left and right side support portions are not limited to a mode in which the left and right side support portions are arranged so as to gradually approach toward the front. In other words, the left and right side support portions may be inclined in the downward direction as they go forward.

  In addition, the specific configuration of each part is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

A ... Medical wagon B ... Support C ... Tray b1 ... Caster b2 ... Tray support frame (top tray support frame)
b21 ... side support part b23 ... tray mounting part kj ... rotating shaft

Claims (9)

A support having a tray having an article placement surface that is substantially rectangular in plan view, a tray support frame that is disposed below the tray and that can rotatably support the tray, and has a caster at the lower end. A medical wagon configured to be stackable in the front-rear direction with other medical wagons having the same structure,
The tray support frame includes left and right side support portions capable of supporting the side portions of the tray from below;
A medical wagon in which at least a part of the tray can overlap an upper portion of the tray of the other medical wagon while being stacked with another medical wagon having the same structure. The tray has a front guide portion having an inclined surface at a front end portion and a rear guide portion having an inclined surface at a rear end portion, and the front guide portion or the rear guide portion. 2. The medical wagon according to claim 1, wherein any one of the first and second medical wagons can be brought into contact with a tray of the other medical wagon when stacking with another medical wagon having the same structure. The tray support frame can support the left and right side support portions that can support the side portion of the tray from the lower side, and the front end portions of the left and right side support portions, thereby supporting the front portion of the tray from the lower side. A front support portion and a tray mounting portion having a rotating shaft connected to the shaft holding portion at the rear of the tray;
The left and right side support portions have a substantially linear shape, and the left and right side support portions are arranged so as to gradually approach toward the front, and the rear portions of the left and right side support portions are viewed in plan view. The medical wagon according to claim 1, wherein the medical wagon is configured to be exposed outward from the tray. The tray is provided with a tray main body having the article placement surface, and a peripheral wall member provided at a peripheral edge of the tray main body,
The peripheral wall member is provided with an upward wall erected upward from a peripheral edge of the tray body, and a downward wall extending downward from the upward wall,
The tray mounting portion includes the rotation shaft and a rotation shaft support portion that extends in a direction different from the rotation shaft and connects the rotation shaft and the left and right side support portions;
The medical wagon according to claim 3, wherein the rotation shaft is disposed inside the downward wall. The tray mounting portion includes the rotation shaft extending in the left-right direction, and a rotation shaft support portion extending in a direction substantially orthogonal to the rotation shaft and connecting between an end portion of the rotation shaft and the left and right side support portions. The medical wagon according to claim 4, wherein the medical wagon has a U-shape in a plan view and the rotating shaft support portion is engaged with a peripheral wall member of the tray. The peripheral wall member includes an inner wall including the upper wall standing upward from a peripheral edge of the tray body, and an outer wall formed on the outer side of the inner wall and including the lower wall. The medical wagon according to 4 or 5. The tray has a front guide portion having a downward inclined surface at the front end portion and a guide portion after having an upward inclined surface at the rear end portion,
When the front guide part is stacked with another medical wagon having the same structure, it can be engaged with the rear guide part in the tray of the other medical wagon,
The said back guide part can be related with the front guide part in the tray of the said other medical wagon when stacking with the other medical wagon which makes the same structure, Claims 1, 2, 3, The medical wagon according to 4, 5 or 6. The tray has a front guide portion having an inclined surface at a front end portion and a rear guide portion having an inclined surface at a rear end portion, and the front guide portion or the rear guide portion. Any one of these is configured to come into contact with a tray of the other medical wagon when stacking with another medical wagon having the same structure,
The tray is provided with a plurality of ribs extending in the front-rear direction, and the front guide portion is configured mainly with the rib exposed toward the front side. The medical wagon according to 5, 6 or 7. The medical wagon according to claim 1, 2, 3, 4, 5, 6, 7 or 8, wherein the tray is configured to be rotatable and detachable with respect to the support.

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