JP2013059366A - Medical stand - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a medical stand easily changing the direction of a medical pump without requiring an operation of dismounting a pump base.SOLUTION: The medical stand 1 includes a support portion 2 and the pump base 3. The support portion 2 is provided with a first portion 7 and two second portions 8, and the pump base 3 mounted on the first portion 7 is provided with a pump mount portion 19 to which the medical pump 101 is dismountably mounted and which is slidable in the axial direction of the first portion 7. The first portion 7 has a projection 12 on the outer peripheral surface thereof, and the pump base 3 has a plurality of grooves 16 extending in the axial direction, on the inner peripheral surface thereof. The projection 12 is configured to be engaged with any one of the plurality of grooves 16 at only a part of a slidable range in the axial direction of the pump base 3 to regulate the rotation of the pump base 3, and to be engaged with none of the plurality of grooves 16 at a part other than the part of the slidable range to allow the rotation of the pump base 3.

Description

  The present invention relates to a medical stand to which a medical pump for injecting a drug or the like into a human body such as an infusion pump or a syringe pump is attached.

  As a technique regarding a medical stand, for example, there is one described in Patent Document 1. The medical stand described in Patent Document 1 is such that an infusion pump 1 is fixed to two types of cradles 305 and 320 attached to a stand pole 310 or a sub stand pole 316, and a plurality of infusion pumps are provided. It is described that it can be installed on one table and that the infusion pump can be easily attached to and detached from the table.

Japanese Patent Laid-Open No. 11-137680

  However, in the medical stand described in Patent Literature 1, in the cradle 305, the sub-stand pole is sandwiched between the metal member 355 and the jaw 325 provided on the back side, and the knob 326 is rotated. This stand is fixed to the sub stand pole. Therefore, when it is desired to change the direction of the medical pump (that is, the direction of the cradle), it is necessary to rotate the knob in the loosening direction, and there is a problem that the operation becomes complicated. Further, in the cradle 320, since the cradle is fixed to the upper end of the stand pole, it is difficult to change the direction of the medical pump (that is, the direction of the cradle).

  In particular, in the case of a serious patient, a plurality of medical pumps are often attached to a medical stand. For example, when moving a patient ward, operating room, ICU, etc. with the patient on the bed The medical pump that gets in the way by touching walls such as corridors, etc., needs to be removed and reattached all together, and the work becomes very burdensome. There is. Therefore, construction of means that can easily change the direction of the medical pump has been desired.

  This invention is made | formed in view of the said situation, The objective is to provide the medical stand which can change the direction of a medical pump easily.

  In order to solve the above problems, a medical stand of the present invention is a medical stand including a support column and a pump base mounted on the support column, and the support column has a circular cross-sectional outer shape. A pump having a first portion and two second portions having an outer diameter larger than that of the first portion and a circular cross-sectional shape connected so as to sandwich the first portion in the axial direction; The base has a pump attachment part to which a medical pump is detachably attached, an inner diameter larger than an outer diameter of the first part and smaller than an outer diameter of the second part, and the pump base is A through-hole penetrating in the axial direction is provided, and the axial thickness of the region of the pump base in which the through-hole is provided is shorter than the length of the first portion, and the first portion is The column attached to the column so as to penetrate the through hole A pump base is slidable along the axial direction, and one and the other of the outer peripheral surface of the first part and the inner peripheral surface of the pump base defining the through hole are respectively provided with protrusions and One and the other of the plurality of grooves extending in the axial direction are provided, and the protrusion is an arbitrary one of the plurality of grooves only in a part of the axially slidable range of the pump base. The rotation of the pump base is allowed to engage with one, and the rotation of the pump base is allowed because the pump base is not engaged with any of the plurality of grooves except in the part of the slidable range. To do.

  According to this configuration, since the plurality of grooves and the protrusions are not engaged except in a part of the slidable range of the pump base, the pump base can be freely rotated only by sliding in the axial direction. Furthermore, by selecting and engaging the groove to be engaged with the protrusion among the plurality of grooves, the rotation of the pump base can be restricted with the direction of the pump base changed. Therefore, it is possible to change the direction of the pump base without performing an operation of removing the pump base from the support column.

  Moreover, in this invention, the said support | pillar part has several said 1st part and several said 2nd part, The 1st part by which the said 2nd part was connected to both ends among these several 1st parts For the above, it is preferable that at least one of the two second parts connected to both ends is detachably connected.

  According to this configuration, a plurality of first portions are formed in the support column, and the mounting height of the pump base can be selected or changed. Moreover, since at least one part of the 1st part and the 2nd part is connected so that attachment or detachment is possible, attachment or detachment of a pump base can be performed easily.

  In the present invention, two or more rod-shaped members each having the first portion and the second portion are detachable in the axial direction so that the first portion and the second portion are alternated. It is preferable that they are connected.

  According to this configuration, the number of steps for connecting the first portion and the second portion is reduced, and the support column can be easily assembled.

  In the present invention, a cylindrical region is provided in the second portion so that a part of the first portion can be inserted into the second portion of another rod-shaped member, and the rod-shaped member includes It is preferable that a rotation prevention mechanism and a retaining mechanism for the connected rod-like members are provided.

  According to this configuration, the first portion and the second portion can be prevented from rotating relatively, and the first portion and the second portion can be prevented from unexpectedly coming off.

  In the present invention, it is preferable that the rotation preventing mechanism includes a concave portion provided at a tip of the first portion and a pin disposed in the second portion so as to engage with the concave portion.

  According to this configuration, the first portion and the second portion can be prevented from rotating relatively with a simple structure.

  In the present invention, the retaining mechanism includes a hole provided in the outer peripheral surface of the first portion, a hard member disposed in the hole, and the hard member urging the hard member outwardly. An elastic member that partially protrudes from the hole; and a hole provided in an inner peripheral surface of the cylindrical region of the second portion, wherein the hard member is an inner periphery of the cylindrical region of the second portion. It is preferable to engage with a hole provided in the surface.

  According to this configuration, it is possible to prevent the first portion and the second portion from being unexpectedly detached with a simple structure. Note that the hole provided in the outer peripheral surface of the first portion and the hole provided in the inner peripheral surface of the cylindrical region of the second portion that constitute the retaining mechanism may be either a concave portion or a hole portion.

  According to the medical stand of the present invention, since the plurality of grooves and protrusions do not engage except in a part of the slidable range of the pump base, the pump base can be freely rotated by simply sliding the pump base in the axial direction. Can do. Furthermore, by selecting and engaging the groove to be engaged with the protrusion among the plurality of grooves, the rotation of the pump base can be restricted with the direction of the pump base changed. Therefore, it is possible to change the direction of the pump base without performing an operation of removing the pump base from the support column.

It is the schematic of the medical stand which concerns on embodiment of this invention. It is a longitudinal cross-sectional view of the connection part A of the support | pillar part and pump stand shown in FIG. (A) is a perspective view of the pump stand shown in FIG. 1, (b) is a front view of (a). (A) is IVA-IVA sectional drawing of FIG. 2, (b) is a principal part enlarged view of FIG. It is sectional drawing equivalent to the IVA-IVA cross section of Fig.4 (a) when the direction of the pump stand shown to Fig.4 (a) is changed 45 degrees clockwise. FIG. 6A is a cross-sectional view showing a first modification of the groove, and FIG. 6B is a cross-sectional view showing a second modification of the groove. (A) is principal part sectional drawing which showed the state before the connection of 1st part and 2nd part, (b) is principal part cross section which showed the state after the connection of 1st part and 2nd part FIG.

(Structure of medical stand)
Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. FIG. 1 is a schematic view of a medical stand 1 according to an embodiment of the present invention. As illustrated in FIG. 1, the medical stand 1 includes a support column 2, a pump base 3, a hook 4, a leg 5, and a caster 6. The pump base 3 is attached to the support column 2, and the medical pump 101 is detachably attached to the pump base 3. An infusion bag 102 containing a medicine or the like is suspended from the hook 4, and the medical pump 101 and the infusion bag 102 are connected by a tube 103. The tube 103 further extends from the medical pump 101 and is connected to a patient or the like (not shown), and a medicine or the like is injected into the patient or the like by the medical pump 101. In addition, the leg part 5 and the caster 6 are installed as needed, and the support stand 2 may be used by inserting the support | pillar part 2 into the bedside.

  The column portion 2 is composed of a plurality of rod-like members 2a in which the first portion 7 and the second portion 8 are integrally formed so as to have the first portion 7 and the second portion 8 one by one. The second portion 8 is configured to be detachably connected in the axial direction of the first portion 7 so as to alternate with each other. When the rod-like members 2a are sequentially connected, one of the upper end and the lower end becomes the first portion 7, and in the present embodiment, the second portion 8 is disposed independently at one end of the first portion 7 (FIG. 1, Second part 8) at the top. However, one of the upper end and the lower end may be the first portion 7. Further, the rod-shaped member 2a has the first portion 7 on the upper side and the second portion 8 on the lower side, but may have the second portion 8 on the upper side and the first portion 7 on the lower side. . The first portion 7 and the second portion 8 may be separate members. However, when the rod-like member 2a is used, the number of steps in assembling the column portion 2 is reduced, and the column portion 2 is assembled. It becomes easy.

  FIG. 2 is a longitudinal sectional view of a connection portion A between the support column 2 and the pump base 3 shown in FIG. The column portion 2 is configured by alternately connecting a columnar first portion 7 and a cylindrical second portion 8 having an inner diameter and an outer diameter larger than the outer diameter of the first portion 7. In FIG. 2, the second portion 8 provided on the lower end side of the first portion 7 is also referred to as a second portion 8a, and the second portion 8 provided on the upper end side of the first portion 7 is referred to as the second portion 8b. Also described. The first portion 7 and the second portion 8a are connected by a screw 9 after the lower end side of the first portion 7 is inserted into the second portion 8a, thereby forming a rod-like member 2a. The first portion 7 and the second portion 8b are detachably connected by a retaining mechanism 10 described later after the upper end side of the first portion 7 is inserted into the second portion 8b. Thus, since the support | pillar part 2 is comprised by inserting a part of 1st part 7 in the 2nd part 8, as an external appearance of the support | pillar part 2, it is the 1st part (the 2nd part of the 1st part 7). The regions other than the region covered with 8 (regions corresponding to the surface 11) and the second portions 8 are alternately provided in the axial direction.

  A recess 13 is provided at the upper end of the first portion 7. The recess 13 extends on the upper end surface of the first portion 7 so as to penetrate the upper end surface in a direction orthogonal to the axial direction of the first portion 7. The shape of the recess 13 is substantially hemispherical as viewed from the side of the first portion 7 as shown in FIG. The second portion 8 has a pin 14 inside. The pin 14 has a cylindrical shape having a diameter smaller than the outer diameter of the recess 13, extends in a direction orthogonal to the axial direction of the second portion 8, and both end portions of the pin 14 are the inner periphery of the second portion 8. It is fixed to the surface. And when the 1st part 7 is inserted in the 2nd part 8, the recessed part 13 and the pin 14 will engage, and it will prevent that the 1st part 7 and the 2nd part 8 rotate relatively. The concave portion 13 and the pin 14 are not limited to these shapes as long as they engage and prevent the first portion 7 and the second portion 8 from rotating relatively. For example, the concave portion 13 and the pin 14 are rectangular. It may be a shape. Further, a convex portion may be provided at the upper end of the first portion 7, and a member having a concave portion that engages with the convex portion may be fixedly disposed inside the second portion 8.

  Further, two protrusions 12 are formed on the lower end portion of the surface 11 at positions different by 180 °. The protrusion 12 is partially embedded in the first portion 7, and the tip protrudes from the surface 11. The protrusion 12 may be formed integrally with the first portion 7, or the two protrusions 12 are near both ends of one pin, and this pin is in a hole provided in the first portion 7. It may be inserted and fixed.

  A pump base 3 is mounted on the outer peripheral surface of the first portion 7. The pump base 3 is provided with a through hole 15 having an inner diameter larger than the outer diameter of the first portion 7 and smaller than the outer diameter of the second portion 8 and penetrating the pump base 3 in the axial direction of the first portion 7. The pump base 3 is mounted so that the first portion 7 penetrates the through hole 15. Here, the thickness t in the axial direction of the first portion 7 in the region where the through hole 15 of the pump base 3 is provided is shorter than the length L of the surface 11. Therefore, the pump base 3 can slide in the range of the length L along the axial direction of the first portion 7 (hereinafter, the range of the length L is described as a slidable range L). . Further, a groove 16 is formed on the inner peripheral surface of the pump base 3 that defines the through hole 15 (a portion that is not hatched in the pump base 3 shown in FIG. 2). 12 is engaged. The groove 16 will be described in detail later.

(Pump stand structure)
Next, the structure of the pump base 3 will be described with reference to FIG. 3A is a perspective view of the pump base 3 shown in FIG. 1, and FIG. 3B is a plan view of FIG. The pump base 3 includes a main body portion 17 formed by bending a metal plate into a U-shape, a resin spacer 18 that is connected to the main body portion 17 by screws and reinforces and supports the main body portion 17, and the main body portion 17. It has a resin-made pump attachment portion 19 that is detachably attached to the side surface by screws. The aforementioned through-hole 15 is formed so as to penetrate the main body portion 17 and the spacer 18. Further, a screw hole 20 is formed in the central portion of the pump attachment portion 19, and the medical pump 101 is detachably attached to the pump attachment portion 19. The spacer 18 and the pump mounting portion 19 may be made of metal, and may be formed integrally with the main body portion 17, respectively.

  A plurality of grooves 16 are provided on the inner peripheral surface of the pump base 3 that defines the through hole 15 so as to extend in the axial direction of the through hole 15. As shown in FIG. 3B, the grooves 16 are formed with a constant angular interval around the center of the through hole 15, and the angular interval is 45 ° (that is, the groove 16 Number is 8). Although this angle interval may be set to any number of times, this angle interval becomes a change angle interval of the mounting direction of the pump base 3, so that the smaller the angular interval can change the mounting direction of the pump base 3 more finely. . The angle interval is preferably at least 90 ° or less (that is, the number of grooves 16 is 4 or more).

  Next, the shape of the groove 16 will be described. As shown in FIG. 3B, the grooves 16 have the same shape, and the width a of the groove 16 is the width c of the protrusion 12 provided at the lower end of the first portion 7 (see FIG. 4A). The depth b of the groove 16 is larger than the length d protruding from the surface 11 of the protrusion 12 (see FIG. 4B). In either case, the groove 16 is engaged with the protrusion 12. Here, the reason why the width a of the groove 16 is slightly larger than the width c of the protrusion 12 is that the pump table 3 is rattling in the rotational direction when the groove 16 is engaged with the protrusion 12. This is to reduce it.

  Further, the groove 16 is formed so as to penetrate the pump base 3 similarly to the through hole 15. Therefore, when the pump base 3 is slid in the axial direction of the first portion 7, the protrusion 12 does not become an obstacle to the sliding of the pump base 3 in the axial direction in any of the upward and downward directions. Therefore, when the pump base 3 is attached to and detached from the first portion 7, it can be attached and detached from either the upper end surface 3a or the lower end surface 3b side of the pump base 3.

(How to change the direction of the pump stand)
Next, a method for changing the orientation of the pump base 3 will be described with reference to FIGS. 4 and 5. 4A is a cross-sectional view taken along the line IVA-IVA in FIG. 2, and FIG. 4B is an enlarged view of the main part of FIG. 5 is a cross-sectional view corresponding to the IVA-IVA cross section of FIG. 4A when the direction of the pump base shown in FIG. 4A is changed by 45 degrees clockwise. In the state of FIG. 4, the groove 16 a of the plurality of grooves 16 and the groove 16 e facing this groove are engaged with the protrusion 12. Therefore, in this state, the rotation of the pump base 3 is restricted, and the pump base 3 does not rotate.

  In order to rotate the pump base 3 from this state, it is first necessary to slide the pump base 3 within the slidable range L. In the state of FIG. 4, the pump base 3 is slid upward (Y direction) along the axial direction of the first portion 7. Then, the engagement between the grooves 16a and 16e and the protrusion 12 is released, the rotation of the pump base 3 is allowed, and the pump base 3 can be freely rotated.

  Next, the pump base 3 is rotated to change the pump base 3 to a desired direction. Then, the pump base 3 is slid again within the slidable range L, that is, in the state of FIG. 4, the pump base 3 is moved downward along the axial direction of the first portion 7 (reverse to the Y direction). The groove 16 closest to the desired direction among the plurality of grooves 16 is engaged with the protrusion 12. Then, the rotation of the pump base 3 is restricted again, and the change of the direction of the pump base 3 is completed. For example, as shown in FIG. 5, if the groove 16b and the groove 16f opposite to this groove are engaged with the projection 12, the direction of the pump base 3 can be changed 45 degrees clockwise from the state of FIG. it can. If the groove engaged with the protrusion 12 is another groove (for example, the groove 16c or the groove 16d), the direction of the pump base 3 can be changed at a larger angle clockwise or counterclockwise.

  As described above, since the pump base 3 can be freely rotated or the rotation of the pump base 3 can be regulated by sliding the pump base 3 in the axial direction of the first portion 7, the pump base 3 It is possible to change the direction of the pump base 3 without performing an operation of removing the shaft 2 from the support column 2.

  Next, a mechanism that can regulate and allow the rotation of the pump base 3 by sliding the pump base 3 within the slidable range L as described above will be described. In the range of the slidable range L of the pump base 3, a range where the groove 16 and the protrusion 12 are engaged is provided, and the rotation of the pump base 3 is restricted within this engaged range. Here, the engaging range is a part of the slidable range L of the pump base 3. If the engagement range is the entire slidable range L of the pump base 3, even if the pump base 3 is slid within the slidable range L, the engagement between the groove 16 and the protrusion 12 is achieved. This is because the pump base 3 cannot be rotated. Therefore, the length X0 from the lower end of the surface 11 to the upper end 12a of the protrusion 12 is shorter than the difference X1 between the slidable range L and the thickness t of the pump base 3. Further, in a range other than a part of the slidable range L, the groove 16 and the protrusion 12 are not engaged, and the rotation of the pump base 3 is allowed, and the pump base 3 is freely rotated. Will be able to. Therefore, by rotating the pump base 3 within the slidable range L, the rotation of the pump base 3 can be regulated and allowed.

  In the present embodiment, the protrusion 12 is provided at the lower end of the surface 11 and the groove 16 and the protrusion 12 are engaged at the lower end. However, the protrusion 12 is provided in an area other than the lower end of the surface 11 and the lower end. You may engage the groove | channel 16 and the protrusion 12 in area | regions other than a part. However, in that case, a mechanism for supporting the pump base 3 in a state where the groove 16 and the protrusion 12 are engaged with each other is necessary. Therefore, the protrusion 12 has a lower end portion of the surface 11 as in the present embodiment. It is preferable to provide in. The lower end portion refers to a range where a part of the slidable range L (that is, a range where the groove 16 and the protrusion 12 are engaged) includes the lower end of the slidable range L.

  Moreover, although the groove | channel 16 is formed so that the pump base 3 may be penetrated, the length of the groove | channel 16 may be made into a part of thickness t of a pump base. Hereinafter, this case will be described with reference to FIG. FIG. 6A is a cross-sectional view showing a first modification of the groove 16, and FIG. 6B is a cross-sectional view showing a second modification of the groove 16. These two modifications are examples in which the protrusion 12 is provided at the lower end. In the modification shown in FIG. 6A, the groove 16 includes the lower end surface 3b of the pump base 3 and is formed to extend to the upper end 12a of the projection 12 (that is, the length of the groove 16 is This is equivalent to the length X2 from the lower end of the surface 11 to the upper end 12a of the protrusion 12). Even in this modification, the effect of restricting and allowing the rotation of the pump base 3 is not changed as compared with the case where the groove 16 is formed so as to penetrate the pump base 3. In this modification, the length X2 from the lower end of the surface 11 to the upper end 12a of the protrusion 12 is shorter than the difference X1 between the slidable range L and the thickness t of the pump base 3. Further, as a further modification of this modification, the protrusion 12 is provided at a portion other than the lower end portion, and the groove 16 includes the upper end surface 3a of the pump base 3 and extends to the lower end 12b of the protrusion 12. It may be.

  6 (b), the groove 16 includes the lower end surface 3b of the pump base 3, and the length of the groove 16 is longer than the length X3 from the lower end of the surface 11 to the upper end 12a of the protrusion 12. It is formed to be shorter (that is, the groove 16 is engaged with the protrusion 12 (see FIG. 6B)). In that case, however, the rotation of the pump base 3 is restricted and slides in a part of the slidable range L ′ newly formed between the lower end surface 3b of the pump base 3 and the upper end of the surface 11. Except for a part of the possible range L ′, it is necessary to allow the rotation of the pump base 3. In this modification, the length X4 from the lower end surface 3b of the pump base 3 to the upper end 12a of the protrusion 12 is shorter than the difference X5 between the slidable range L ′ and the thickness t of the pump base 3. ing.

  Furthermore, as a further modification of the present modification, the protrusion 12 is provided at a portion other than the lower end, the groove 16 includes the upper end surface 3a of the pump base 3, and the length of the groove 16 (not shown) is You may form so that it may become shorter than the length (not shown) from the upper end to the lower end 12b of the protrusion 12. FIG. In this case, however, the rotation of the pump base 3 is restricted in a part of the newly formed slidable range (not shown), and the pump is used in a part other than the slidable range (not shown). It is necessary to allow the table 3 to rotate.

(Retaining mechanism)
Next, the retaining mechanism 10 will be described with reference to FIG. FIG. 7A is a cross-sectional view of the main part showing a state before the connection between the first portion 7 and the second portion 8b, and FIG. 7B shows the relationship between the first portion 7 and the second portion 8b. It is principal part sectional drawing which showed the state after a connection. The retaining mechanism 10 fixes the first portion 7 and the second portion 8b so that they do not come off unexpectedly, and can be released by simple operation. The screw hole 21 is provided, an elastic body mechanism 22 fixed to the screw hole 21, and a stopper mechanism 23 provided in the second portion 8b. The elastic body mechanism 22 includes a fixing portion 24, an elastic member 25 extending from one end of the fixing portion 24, and a first hard member 26 fixed to the tip of the elastic member 25. The provided screw portion is screwed into the screw hole 21. The elastic body mechanism 22 is in a state in which the first hard member 26 protrudes from the outer peripheral surface of the first portion 7 in a state where the elastic member 25 is not compressed. As the elastic member 25, a coil spring, a leaf spring, rubber or the like is preferably used. The first hard member 26 has a hemispherical shape, and the plane side is fixed to the elastic member 25. The material of the first hard member 26 is preferably a material that is small in elastic deformation, and resin, metal, or the like is suitably used. In addition, in this embodiment, although the screw hole 21 has penetrated the 1st part 7, it is good also as a recessed part not to penetrate.

  The stopper mechanism 23 is housed in the hole 27, a hole 27 provided in the second portion 8b, a rubber member 28 that covers the hole 27 and is attached to a part of the outer peripheral surface of the second portion 8b, and the hole 27. The second hard member 29 is adhesively fixed to the inner peripheral surface of the rubber member 28. The hole 27 is formed larger than the first hard member 26 so that the first hard member 26 engages. The material of the rubber member 28 is preferably a material that is easily elastically deformed by the urging force of the elastic member 25, and the material of the second hard member 29 is preferably one that is less elastically deformed, such as resin or metal. Preferably used.

  Next, the operation of the retaining mechanism 10 will be described. When the first portion 7 is inserted into the second portion 8b, first, the first hard member 26 comes into contact with the inner peripheral surface of the second portion 8b and the elastic member 25 is compressed. When the first hard member 26 reaches the position of the hole 27, the compression of the elastic member 25 is released to bias the first hard member 26 outward, and the first hard member 26 moves the second hard member 29 outward. The first hard member 26 is engaged with the hole 27. The second hard member 29 urged outwardly further urges the rubber member 28 toward the outer peripheral side, and the rubber member 28 is in a state where the outer peripheral portion of the hole 27 is elastically deformed and swelled (see FIG. 7B). ). In this state, since the first hard member 26 is engaged with the hole 27, the first portion 7 is connected and fixed to the second portion 8b and does not come out unexpectedly. When the first portion 7 is released from the second portion 8b, the elastic member 25 is compressed by pressing the bulging portion of the rubber member 28 with a bare hand or the like (see the arrow in FIG. 7B). Thus, the first hard member 26 is disengaged from the hole 27, and the first portion 7 and the second portion 8b can be easily removed.

  In addition, the stopper mechanism 23 is formed only by the hole 27 provided in the 2nd part 8b, and does not need the function to cancel | release easily. Further, it may be a recess instead of a hole. Further, the retaining mechanism 10 may be a mechanism other than the form described above. For example, an elastic member such as an O-ring may be disposed on the outer peripheral surface of the first portion 7 or the inner peripheral surface of the second portion 8b. Good. Moreover, although attachment / detachment becomes troublesome, you may connect the 1st part 7 and the 2nd part 8b with a screw | thread. Further, in the present embodiment, the retaining mechanism 10 is provided only at the connection portion between the upper end side of the first portion 7 and the lower end side of the second portion 8, but the lower end side of the first portion 7 and the second portion. You may provide in the connection part with the upper end side of 8.

(Structure of the column)
In this embodiment, the support | pillar part 2 is comprised by connecting two 1st parts 7 and three 2nd parts 8 by turns (refer FIG. 1). Thus, since the column part 2 includes the two first portions 7, the position (height) to which the pump base 3 is attached can be selected, and as a result, the mounting height of the pump base 3 is changed. can do. Further, at the place where the first part 7 and the second part 8 are connected by the retaining mechanism 10, the first part 7 and the second part 8 can be easily attached and detached. The mounting position (height) of the pump base 3 can be easily changed. In addition, the support | pillar part 2 may be comprised from the 3 or more 1st part 7 and the 3 or more 2nd part 8 (namely, three or more rod-shaped members 2a), and one 1st The portion 7 and the two second portions 8 may be configured, or the first portion 7 and the second portion 8 may each be configured by one (that is, one rod-shaped member 2a).

  Moreover, although all the connection parts of the 1st part 7 and the 2nd part 8 are connected detachably by the screw 9 or the retaining mechanism 10, it is not necessary to connect all the connection parts detachably. Regarding the first part of the part 7 in which the second part 8 is connected to both ends, at least one second part of the two second parts 8 connected to both ends may be detachably connected. . This is because the pump base 3 can be attached and detached at all the plurality of first portions 7. Although the pump base 3 cannot be attached or detached, the first part 7 and the second part 8 may be fixed so that they cannot be attached or detached.

  In the present embodiment, the first portion 7 has a cylindrical shape, but may have other shapes as long as the cross-sectional outer shape of the first portion 7 is circular. Further, the second portion 8 has a cylindrical shape, but a part of the first portion 7 can be inserted into the second portion 8, and the first portion 7 and the second portion 8 are screwed 9 or a retaining mechanism 10. Other regions may have a columnar shape as long as they have a cylindrical region that can be connected by. Furthermore, as long as the first portion 7 and the second portion 8 can be connected, the cylindrical region may be omitted.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made as long as they are described in the claims.

  In the present embodiment, a plurality of grooves are provided on the inner peripheral surface of the pump base that defines the through-holes, and the protrusions are provided on the outer peripheral surface of the first portion, but a plurality of grooves are provided on the outer peripheral surface of the first portion. The protrusion may be provided on the inner peripheral surface of the pump base that defines the through hole. In the case of this configuration, it is necessary to allow the pump base to freely rotate, for example, by providing a part of the outer peripheral surface of the first part with a smaller outer diameter than other parts.

  In this embodiment, two protrusions 12 are provided, and two of the plurality of grooves are engaged with these protrusions. However, at least one protrusion 12 is sufficient.

  Moreover, in this embodiment, although the material of the support | pillar part was all formed with metals, such as aluminum and stainless steel, the support | pillar part may be formed with other materials.

1: medical stand 2: support column 2a: rod-shaped member 3: pump base 4: hook 5: leg 6: caster 7: first part 8: second part 9: screw 10: retaining mechanism 11: surface 12: Protrusion 13: Convex portion 14: Pin 15: Through hole 16: Groove 17: Body portion 18: Spacer 19: Pump mounting portion 20, 21: Screw hole 22: Elastic body mechanism 23: Stopper mechanism 24: Fixing portion 25: Elastic member 26: first hard member 27: hole 28: rubber member 29: second hard member 101: medical pump 102: infusion bag 103: tube

Claims (6)

A medical stand comprising a support column and a pump base mounted on the support column,
The strut portion has a first portion having a circular cross-sectional outer shape and a circular cross-sectional outer shape that is larger in outer diameter than the first portion and connected so as to sandwich the first portion in the axial direction. Two second parts,
The pump base has a pump mounting portion to which a medical pump is detachably attached, an inner diameter larger than an outer diameter of the first part and smaller than an outer diameter of the second part, and the pump base And a through-hole penetrating in the axial direction,
The region of the pump base in which the through hole is provided has a thickness in the axial direction that is shorter than the length of the first portion, and the first portion is attached to the support column so as to penetrate the through hole. The pump base is slidable along the axial direction;
One and the other of the plurality of grooves extending in the axial direction are provided on one and the other of the outer peripheral surface of the first portion and the inner peripheral surface of the pump base that defines the through hole, respectively. And
The protrusion engages with any one of the plurality of grooves only in a part of the axially slidable range of the pump base to restrict the rotation of the pump base, and the slidable range A medical stand characterized in that rotation of the pump base is allowed in order not to engage with any of the plurality of grooves except for the part of the above. The column portion includes a plurality of the first portions and a plurality of the second portions,
Of the plurality of first parts, with respect to the first part having the second part connected to both ends, at least one second part of the two second parts connected to the both ends is detachable. The medical stand according to claim 1, wherein the medical stand is connected.   The column part is detachable in the axial direction so that two or more rod-shaped members each having the first part and the second part are alternately arranged between the first part and the second part. The medical stand according to claim 1, wherein the medical stand is connected. A cylindrical region is provided in the second part so that a part of the first part can be inserted into the second part of another rod-like member,
The medical stand according to claim 3, wherein the rod-shaped member is provided with a rotation prevention mechanism and a retaining mechanism for the connected rod-shaped members.   The said rotation prevention mechanism contains the recessed part provided in the front-end | tip of the said 1st part, and the pin arrange | positioned in the said 2nd part so that it may engage with this recessed part. The medical stand described. The retaining mechanism includes a hole provided on an outer peripheral surface of the first portion, a hard member disposed in the hole, and urges the hard member outward to partially remove the hard member from the hole. An elastic member protruding from the hole, and a hole provided in an inner peripheral surface of the cylindrical region of the second portion,
The medical stand according to claim 4 or 5, wherein the hard member engages with a hole provided in an inner peripheral surface of the cylindrical region of the second portion.

Images