JP2009045114A - Clamp device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a clamp device which minimizes time loss and physical burden by eliminating the need to rotate a rotary knob repeatedly while supporting an infusion apparatus when fixing or removing the infusion apparatus to or from a pole of an infusion stand. <P>SOLUTION: The clamp device includes a clamp base section 1 having a grip shape part that holds one side of the outer circumference of the pole and a stand shape part, a main shaft body 5 with a grip member 8, and the rotary knob 9 fixed to the other end. The clamp apparatus is fixed detachably to the infusion stand by operating the rotary knob. The clamp device further includes engaging and disengaging means. The engaging and disengaging means puts the main shaft body in a fixed state in which the main shaft is fixed at an arbitrary position with respect to the stand shape part and also in a grip state with respect to the pole by moving the main shaft body freely in its longitudinal direction through the operation of an operation part 3f. When attaching or detaching the main shaft body to or from the infusion stand, the engaging and disengaging means releases the fixed state by the operation of the operation part 3f. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a clamp device, and more particularly, to a clamp device that enables various infusion devices to be attached to and detached from various infusion stands having poles having different diameters by a simple operation.

In a medical field, a peristaltic infusion pump that performs infusion by giving a peristaltic motion to an infusion tube and a syringe pump that performs infusion with high accuracy using a syringe are used. (Patent Document 1)
When performing infusion using these various infusion devices, a clamp device is used to fix the infusion device to a pole fixed in an upright state from an infusion stand. Specifically, an installation base is fixed to the clamp device, and the infusion pump and the syringe pump can be fixed to the infusion stand by fixing the infusion pump and the syringe pump on the installation base.

  In addition, when moving multiple infusion devices in a concentrated manner, infusion pumps and syringe pumps can be secured to the common infusion stand pole so that movement during transportation of a specific patient or during infusion of a patient is possible. It becomes possible. In addition, various infusion devices are frequently removed from the infusion stand and secured to another infusion stand for treatment of another patient. For this reason, the clamp device of an infusion stand becomes quite important.

The conventional clamping device grips the other outer peripheral surface of the pole and the clamp base portion integrally formed with the gripping shape portion that grips one outer peripheral surface of the poles of different diameters and the upright shape portion disposed opposite to the gripping shape portion. A main shaft body provided with a gripping member at the end thereof, and a rotary knob fixed to the other end of the main shaft body. It is detachably fixed to various infusion stands having
Japanese Patent No. 3502086

  However, the above-described conventional clamping device has a structure for releasing and fixing the gripping state with respect to the pole by rotating the rotary knob and moving the main shaft body in the longitudinal direction when attaching to and detaching from the pole of the infusion stand. For this reason, it was necessary to hold the infusion device with one hand to prevent dropping, and to keep turning the rotating knob many times with the other hand in order to attach to an infusion stand having poles with different diameters. . Moreover, when fixing, it was necessary to perform the reverse procedure.

  As described above, the operation of attaching and detaching and fixing the infusion device to the pole of the infusion stand causes a considerable time loss and physical burden. For this reason, improvement has been desired particularly in the medical field that often requires emergency on a daily basis.

  Accordingly, the present invention has been made in view of the above circumstances, and a clamping device that can shorten the time required for attaching and detaching and fixing the infusion device to the pole of the infusion stand and can reduce physical burden. The purpose is to provide.

  In order to solve the above-described problems, according to the clamp device of the present invention, a clamp formed with a gripping shape portion that grips one outer peripheral surface of a pole of an infusion stand and an upright shape portion that faces the gripping shape portion. A main body having a base, a gripping member for gripping the other outer peripheral surface of the pole, a gripping member rotatably provided at one end thereof, a rotation knob fixed to the other end, and a male screw portion formed in the longitudinal direction thereof A female threaded portion that meshes with the male threaded portion of the main shaft body, a meshing member that is disposed on the standing shape portion, and a coaxial member that is disposed coaxially with the main shaft body, toward the rotary knob side An operation member that is engaged with the rotation knob when moved, and the rotation member is rotated toward the engagement knob while the operation member is moved toward the rotation knob, thereby the engagement member. For releasing the engagement between the main body and the main shaft And when releasing, after releasing the engagement by operating the engagement release means, the main shaft body is moved in the longitudinal direction and removed from the pole, and at the time of fixation, the engagement release means Is stopped at a position where the gripping member comes into contact with the pawl, and a rotating operation in the meshing direction of the rotating knob is brought into an intermeshing state between the engaging member and the main shaft body. The gripping member is moved to enable a fixed state with the gripping shape portion.

  In addition, the meshing member includes a first semiconical meshing member in which a female threaded portion that meshes with a male threaded portion of the main shaft body is formed on a triangular surface of the semiconical body, and a male threaded portion of the main shaft body. A second semi-conical engagement member formed with a female screw portion that meshes on a triangular surface of a semiconical body, and the triangular surface of the first semi-conical engagement member and the second semi-conical engagement member Are arranged opposite to each other, slidably contacted with the inclined inner peripheral surface thereof and arranged so that the apex of the triangular surface faces the rotary knob, and the first biasing member causes the first half-conical engagement. The member and the second half conical engagement member are fixed to the upright shape portion using a fixed shape member in a state of being moved and urged toward the rotary knob, and the operation member has a pair of protrusions at one end thereof. A second engagement portion that protrudes outward and engages the other end with the first engagement portion of the rotary knob, A flange portion extending outward is formed in the intermediate portion, and the operation member is moved and urged away from the rotary knob by a second urging member. A pair of opposing piece portions are formed, and each of the opposing piece portions is located between the triangular surfaces of the first half-cone engagement member and the second half-cone engagement member, and the projections at one end thereof A cylindrical member formed with a pair of spiral groove portions for infiltrating the portion and a groove portion for fixing the lid member at the other end, and the operation member is opposed to the urging force of the second urging member. The first engaging portion and the second engaging portion are engaged by moving to the side, and the projections that have entered the spiral groove portions rotate the cylindrical member, thereby The conical meshing member and the second semi-conical meshing member are positioned between the triangular surfaces. Serial respective counter piece is characterized in that to release the meshing state with respect to the main axis of the first half cone engaged member and the second half cone engaged member.

  Further, a resin-made spiral groove member is fitted into the spiral groove portion of the cylindrical member.

  Further, the first engagement portion of the rotary knob is an outer spline groove, and the second engagement portion of the operation member is an inner spline groove.

  Further, the female screw portion and the male screw portion are multi-threaded screws.

  The first urging member and the second urging member are compression coil springs.

  Further, a first telescopic boot cover that covers the cylindrical member and the main shaft body by being provided between the operation member and the fixed shape member, and a first provided between the lid member and the gripping member. 2 stretchable boot covers.

  In addition, the gripping member forms a second valley shape portion that is symmetric with the first valley shape portion of the grip shape portion, and the first valley shape portion and the second valley shape portion face each other. .

  And the installation base for infusion apparatus mounting fixed to the said clamp base part was further provided, It is characterized by the above-mentioned.

  According to the clamping device of the present invention, when the infusion device is fixed to the pole of the infusion stand or removed from the pole, there is no need to keep rotating the rotation knob while supporting the infusion device. Loss and physical burden can be minimized.

  Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. In the following description, the evaluations made by improving the conventional clamping device will be mainly described. However, it is needless to say that the present invention is not limited to this configuration and there are various configurations defined in the claims.

  In addition, although it is assumed that a syringe pump is used as an infusion device, it is not limited to this, and a peristaltic finger-type infusion pump configured to perform peristaltic motion of an infusion tube or other type of infusion device. Needless to say, the present invention can also be applied appropriately to various infusion devices such as a roller-type infusion pump having a certain rotating roller. Furthermore, it can be arbitrarily fixed other than the pole of the infusion stand.

  First, FIG. 1 is an external perspective view showing a use state in which a clamping device 1 according to an embodiment of the present invention and a syringe pump 122 that is an infusion device using a syringe 123 are fixed to a pole 30 of an infusion stand. In this figure, the syringe pump 122 is provided with a member 122a for fixing the main body of the syringe 123 and a slider 122b for setting the pusher, and by setting the pusher in a state where the pusher is pulled out to the maximum position, The built-in mechanism is configured so that an accurate drug solution is delivered via an infusion tube.

  A female screw hole 124 shown by a broken line is formed on the bottom surface of the syringe pump 122. From the state where the syringe pump 122 is placed on the installation base 200, the fixing screw 201 provided on the installation base 200 is changed into the female screw. The syringe pump 122 is fixed and used on the installation base 200 by engaging with the hole 124. Alternatively, the installation table 200 is fixed to the clamp device 1 using the countersunk screw 25 and the clamp device is fixed to the pole 30, and then the syringe pump 122 is placed on the installation table 200, and the fixing screw 201 is set to the female screw 124. It is also possible to use them by meshing them. Moreover, since the installation base 200 is inclined forward as shown in the figure, the syringe 123 can be easily attached and detached.

  The clamp base 1 of the clamp device is fixed to the installation base 200 by screwing four countersunk screws 25 into a female screw portion (not shown) of the installation base. The clamp base 1 is provided with a rotary knob 9 and a gripping member 8. By rotating the rotary knob 9 clockwise and operating the flange portion 3f of the operating member, a one-touch operation can be performed as described later. It is configured to be detachable. Further, the pole 30 of the infusion stand is fixed upright from a leg portion 31 provided with a movable caster 32 with respect to the floor surface. The pole 30 is made of a metal pipe having a different diameter, and the diameter varies depending on the model.

  In the above configuration, when the syringe pump 122 is fixed to and removed from the pole 30 of the infusion stand, it can be easily replaced if the rotary knob 9 is rotated by a necessary minimum amount. For this reason, it can be quickly replaced, especially in an emergency.

  FIG. 2 is a front view of the clamp device of FIG. 1, and the dimensions in the drawing show a reference example in mm units. As shown in the drawing, the total length of the clamp device is about 180 mm, the clamp base 1 is 90 mm, and it is configured to be used for a pole 30 having a diameter range of 12.5 to 34 mm. The weight is 200 to 350 grams. Of course, these are merely examples, and it is needless to say that the dimensions are appropriately set according to the size of the infusion device. The clamp base 1 is formed by cutting an aluminum extrusion member having a cross-sectional shape shown in the figure, and a gripping shape portion 1a formed with a first valley-shaped portion 1m for gripping one outer peripheral surface of a pole. The gripping member 8 is provided with a second valley-shaped portion 8m that is symmetrical to the first valley-shaped portion 1m. The gripping member 8 is rotatably provided at one end of a shaft main body 5 that passes through an upright shape portion 1b described later.

  Since the gripping member 8 is rotatably provided at the end portion of the main shaft body 5, flat washers 11 and 11 (only one is shown in FIG. 2) are arranged on both sides, and passes through the small diameter portion of the main shaft body 5. After that, it is fixed with a spring pin which will be described later. A lid member 17 is provided adjacent to the flat washer 11, and a second stretchable boot cover 21 is provided between the lid member 17 and the flange member 19 of the upright shape portion 1b. Further, a first telescopic boot cover 22 is provided between the operation member 3 and the fixed shape portion 2 so that internal components can be protected from a chemical solution or the like.

  A rotation knob 9 is fixed to the other end of the main shaft body 5. Further, the operation member 3 operated in the direction of the arrow D1 in the figure is also provided coaxially with the main shaft body 5 prepared from a stainless steel bar or the like. Then, by rotating the rotating knob 9 in the meshing direction which is the clockwise direction, the various infusion devices including the syringe pump 122 are fixed to the various infusion stands having the poles 30, and when removing, the rotating knob It is comprised so that 9 may be rotated in the meshing cancellation | release direction used as a counterclockwise rotation direction.

  A flange-shaped operation portion 3f is located on the operation member 3 near the rotary knob 9, and the main shaft body is operated by the operation of the operation portion 3f in the arrow direction D1 and the rotation operation of the rotation knob 9 in the meshing release direction. The meshing state between 5 and the meshing member described later is released. Thereafter, the main shaft body 5 can be moved in the longitudinal direction. Thereafter, the main shaft body 5 can be fixed at an arbitrary position with respect to the standing shape portion 1b. Following this, the rotation knob 9 can be further rotated in the meshing direction to bring the grip member 8 and the gripping shape portion 1a into the gripping and fixing state with respect to the pole 30.

  In addition, the various infusion stands can be arbitrarily moved in the longitudinal direction of the main shaft body 5 by operating the operation unit 3f when gripping. Further, when releasing the gripping state, the operation unit 3f can be operated only after the rotary knob 9 is rotated, and the syringe pump 22 cannot be moved up and down. For this reason, a mesh release means described later is provided.

  FIG. 3 is an exploded view of the clamping device. In this figure, if the same reference numerals are given to the components or parts already described in FIGS. 1 and 2 and the description thereof is omitted, the main shaft body 5 forms a male screw portion 5a in the longitudinal direction. The male screw portion 5a is brought into a meshing state and a meshing release state with respect to a meshing member built in the standing shape portion 1b and the shape fixing member 2.

  An operation member 3 is provided coaxially with the main shaft body and engaged with the rotary knob when moved toward the rotary knob. The operation member is moved toward the rotary knob 9. On the other hand, there is provided an engagement release means for releasing the engagement between the engagement member and the main shaft body by rotating the rotary knob 9 in the engagement release direction.

  At the time of removal, the meshing state is released by the operation of the mesh release means, and then the main shaft body is moved in the longitudinal direction to be detached from the pole 30. At the time of fixation, the operation is performed on the pole 30 by the operation of the tooth release means. The gripping member 8 is stopped at a position where the gripping member 8 comes into contact, and the rotating knob 9 is rotated in the meshing direction so that the meshing state is established between the toothing member and the main shaft body. It is comprised so that it may be in the fixed state between the parts 1a.

  The engagement release means used in this way has various configurations. According to the configuration shown in FIG. 3, the engagement member includes an internal thread portion 15 a that meshes with the external thread portion 5 a of the main shaft body 5. A first half-conical meshing member 15 formed on the triangular cone surface 15b of the semiconical body and a second half of the female screw portion 16a meshing with the male threaded portion of the main shaft body formed on the triangular surface 16b of the semiconical body. A conical engagement member 16.

  The first half-conical meshing member 15 and the second half-conical meshing member 16 have pins 15c and 15c embedded therein so that they can be arranged and moved to face each other with their triangular faces facing each other. It is comprised so that it may guide by the holes 16c and 16c.

  In addition, the triangular surface apex 15b, 16b is arranged so as to be slidably contacted with the inclined inner peripheral surface 2a toward the rotary knob 9, and the first semi-conical meshing member is formed by the compression coil spring 7 which is the first urging member. 15 and the second half conical engagement member 16 are fixed to the screw hole portion 1g of the standing shape portion 1b with the screw 14 using the fixed shape member 2 in a state of being moved and urged toward the rotary knob 9 side.

  The operation member 3 is made of resin, and has a pair of protrusions 4 and 4 projecting outward at one end and engaging with a spline groove 9a which is a first engagement portion of the rotary knob 9 at the other end. A spline groove 3a which is a second engaging portion to be joined is formed. Further, the flange portion 3f extending outward is formed in the intermediate portion. The operation member 9 is constantly urged to move away from the rotary knob 9.

  The cylindrical member 13 forms a pair of opposed piece portions 13a and 13b at the intermediate portion thereof, and each opposed piece portion is a triangular shape of each of the first half-cone engagement member 15 and the second half-cone engagement member 16. Located between the surfaces 15b, 16b. In addition, the cylindrical member 13 has a pair of spiral groove portions 13t into which the projections 4 and 4 of the operation member 3 are inserted at one end, and a groove portion 13k to fix the lid member 17 at the other end. ing.

  That is, after inserting the lid member 17 into the main shaft body 5, when the pins 18 and 18 are press-fitted into the upper and lower holes formed in the lid member 17, the lid member 17 is rotated so that each pin stays in the groove 13 k. It is configured so that it can be freely fixed and secured. Further, the pin 10 is press-fitted into the hole 5d, thereby holding the gripping member 8 between the flat washers 11 and 11. In addition, the resin-made spiral groove member 12 is fitted into the spiral groove portion 13t of the cylindrical member 13, thereby preventing wear.

  The first semi-conical meshing member 15 and the second semi-conical meshing member 16 are expanded by the opposing piece portions 13a and 13b as described later by the rotation of the cylindrical member 13, thereby the first semi-conical meshing member. The meshing state of the member and the second semiconical meshing member with respect to the main shaft body 5 is released.

  The rotary knob 9 is integrated with the main shaft body 5 by setting the set screw 27 to the threaded portion 9 b (insert part) and fixing the set screw to the D-cut portion 5 c of the main shaft body 5. The rotary knob 9 is formed with an outer spline groove 9a which is a first engagement portion, and is engaged with the inner spline groove 3a which is a second engagement portion of the operation member 3, and a rotation knob without gearing. 9 can be freely rotated. For this reason, the second compression coil spring 6, which is a second urging member, is provided between the operation member 3.

  FIG. 4 is a central cross-sectional view of the main part of the operation explanation showing a state where the clamp device is in a gripping state with respect to a pole (not shown). 5 (a) is an external perspective view showing the meshing state, FIG. 5 (b) is a cross-sectional view of the first semi-conical meshing member 15 and the second semi-conical meshing member 16 in a semiconical shape, FIG.5 (c) is an enlarged view which shows a meshing state. 2 and FIG. 3, the same reference numerals are given to the components or parts already described, and the description is omitted, and an elastic member (not shown) such as an elastomer material is attached to the holding member 8 in the second valley-shaped portion 8m. Further, the elastic member may be fixed so as to protrude further outward, and the elastic member may be appropriately deformed so as to be surely gripped.

  4 and 5, the first semi-conical meshing member 15 and the second semi-conical meshing member 16 of the semiconical body are located in the inclined surface 2 a formed on the shape fixing member 2, and are main shafts. The male screw part 5a of the body 5 is clamped from the front-rear direction, and the female screw parts 15a and 16a are engaged with each other. In this gripping state, the gripping member 8 is firmly fixed to the pole 30.

  In this state, FIG. 5A is a cross-sectional view of the main part showing the meshing state, and each protrusion 4 of the operation member 3 is located at the bottom of the spiral groove 12a, and the cylindrical member 13 includes each piece 13a, 13b is located up and down and exists between the triangular surfaces 15b and 16b. From this state, an external perspective view showing the disengagement state of FIG. 6A, the crossing of the first semiconical engagement member 15 and the second semiconical engagement member 16 of the semiconical body of FIG. When the operation member 3 is moved and operated in the direction of the arrow D1, as shown in the plan view and the enlarged view showing the disengagement state in FIG. 6C, the protrusions 4 formed integrally with the operation member 3 are shown. However, the cylindrical member 13 is rotated counterclockwise while being separated from the bottom of the spiral groove 12a.

  As a result, the semiconical first semiconical engagement member 15 in which the outer inclined surfaces 15f and 16f are positioned so as to contact the inclined surface 2a formed on the shape fixing member 2, and the second semiconical tooth The rotational force illustrated in FIG. 6B acts on the triangular surfaces 15b and 16b with respect to the combined member 16. From this state, when the rotary knob 9 is moved in the direction of the arrow D1 while being moved in the direction of the arrow D1, the first half-conical engagement member 15 and the second half-half are formed from the inclined surface 2a against the compression force of the compression coil spring 7. Since the conical engagement member 16 is separated, the engagement state is released. Therefore, this state is maintained, and the gripping member 8 can be moved to an arbitrary position as described above.

  As described above, the gripping member moving mechanism is not a screw, but can be moved to a rough position with a single touch, and only the tightening operation for secure fixing is performed with the rotary knob. This makes it possible to attach and detach the infusion pump and syringe pump to the pole in a short time. For this reason, the loss of work time is eliminated, and the time when the worker supports the pump and the like is shortened, so the physical burden is reduced.

It is the external appearance perspective view which showed the use condition which fixes the clamp apparatus 1 of one Embodiment of this invention, and the syringe pump 122 which is an infusion apparatus using the syringe 123 to the pole 30 of an infusion stand. It is a top view of the clamp apparatus of FIG. It is a three-dimensional exploded view of the clamp device. It is center sectional drawing of a clamp apparatus. (A) is an external perspective view showing a meshed state, (b) is a cross-sectional view of a first semiconical meshing member 15 and a second semiconical meshing member 16 of a semiconical body, (c) is a meshing It is an enlarged view which shows a state. (A) is an external perspective view showing a disengagement state, (b) is a cross-sectional view of the first half-cone engagement member 15 and the second half-cone engagement member 16, and (c) is a tooth. It is an enlarged view showing a combined release state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Clamp base 2 Shape fixing member 3 Operation member 4 Protrusion part 5 Main shaft body 6, 7 Compression coil spring 8 Gripping member 9 Rotating knob 13 Cylindrical member 15 1st semi-conical meshing member 16 2nd semi-conical meshing member 122 Syringe pump 30 poles

Claims (9)

A clamp base portion that forms a grip shape portion that grips one outer peripheral surface of the pole of the infusion stand, and an upright shape portion that faces the grip shape portion;
A gripping member for gripping the other outer peripheral surface of the pole;
A main shaft body in which the gripping member is rotatably provided at one end, a rotation knob is fixed to the other end, and a male screw portion is formed in the longitudinal direction;
While forming a female screw portion that meshes with the male screw portion of the main shaft body, a toothing member disposed on the standing shape portion,
An operation member that is arranged coaxially with the main shaft body and that engages with the rotary knob when moved toward the rotary knob;
An engagement release means for releasing the engagement between the engagement member and the main shaft body by rotating the rotation knob in the engagement release direction while moving the operation member toward the rotation knob. A clamping device comprising:
At the time of detachment, after releasing the meshing by the operation of the meshing release means, moving the main shaft body in its longitudinal direction and removing it from the pole,
At the time of fixing, it is stopped at the position where the gripping member comes into contact with the pawl by the operation of the meshing release means, and the meshing between the gearing member and the main shaft body by the rotation operation of the rotating knob in the gearing direction. A clamping device, wherein the clamping device is brought into a fixed state by moving the gripping member by the rotation operation and moving the gripping member. The engagement member includes a first semi-conical engagement member formed on a triangular surface of a semi-cone with an internal thread portion engaged with an external thread portion of the main shaft body, and an external thread portion of the main shaft body. A second half-cone engaging member formed on the triangular surface of the half-cone,
The triangular surfaces of the first semi-conical engagement member and the second semi-conical engagement member are opposed to each other with the triangular surfaces facing each other, and slidably contact the inclined inner peripheral surface so that the apex of the triangular surface is the rotation knob. The fixed shape member is used in a state where the first half-cone engagement member and the second half-cone engagement member are moved and urged toward the rotary knob by the first urging member. Fixed to the standing shape part,
The operating member has a pair of protrusions projecting outward at one end, a second engaging portion that engages with the first engaging portion of the rotary knob at the other end, and an outward portion at the intermediate portion. Forming a flange portion extending to the second biasing member, and the operation member is urged to move away from the rotary knob,
The engagement release means has a pair of opposed piece portions formed at an intermediate portion thereof, and each of the opposed piece portions is formed on the triangular surface of each of the first semiconical engagement member and the second semiconical engagement member. A cylindrical member that is positioned between and formed with a pair of spiral grooves that infiltrate each of the protrusions at one end thereof and a groove that fixes the lid member at the other end;
The first engagement portion and the second engagement portion are engaged by moving the operation member toward the rotary knob against the urging force of the second urging member,
The protrusions that have entered the spiral grooves rotate the cylindrical member, and the protrusions are positioned between the triangular surfaces of the first half-cone engagement member and the second half-cone engagement member. 2. The clamping device according to claim 1, wherein the opposing piece part releases a meshing state of the first semiconical meshing member and the second semiconical meshing member with respect to the main shaft body.   The clamping device according to claim 2, wherein a resin-made spiral groove member is fitted into the spiral groove portion of the cylindrical member. The first engagement portion of the rotary knob is an outer spline groove;
The clamp device according to claim 2 or 3, wherein the second engagement portion of the operation member is an inner spline groove.   The clamping device according to claim 1, wherein the female screw portion and the male screw portion are multi-threaded screws.   The clamp device according to any one of claims 2 to 5, wherein the first urging member and the second urging member are compression coil springs.   A first expansion / contraction boot cover that covers the cylindrical member and the main shaft body by being provided between the operation member and the fixed shape member, and a second expansion / contraction provided between the lid member and the gripping member. A clamp device according to any one of claims 2 to 6, further comprising a boot cover.   The grip member forms a second valley shape portion that is symmetrical to the first valley shape portion of the grip shape portion, and the first valley shape portion and the second valley shape portion face each other. Item 8. The clamping device according to any one of Items 1 to 7.   The clamp device according to any one of claims 1 to 8, further comprising an installation table for placing an infusion device fixed to the clamp base.

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