JP2007312860A - Infusion device installer and its usage - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an infusion device installer and its usage that makes an infusion device into a fixed state upon placing it in place, and is useful to prevent any others than medical treatment personnel including nurses from removing the infusion device, since its removal is impossible unless a lock is released. <P>SOLUTION: The infusion device installer 20 holds an infusion device 1 at the installation surface 22 of its base 21 in a removable but fixed state. The infusion device is provided with a first engaged part 10 and a second engaged part 15. Also provided are a first engagement member 23 to engage with the first engaged part and an operation lever equipped with a lock mechanism means and pivotally rotatable between the states of the second engaged part being engaged and disengaged. The operation lever is operated when manually operating the installer. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an infusion device installation tool and a method for using the same, and more particularly to a dedicated installation tool that can easily fix various infusion devices and can be removed only by medical personnel including a nurse.

In the medical field, a peristaltic infusion pump that performs infusion by giving a peristaltic motion to an infusion tube and a syringe-type infusion pump configured to perform highly accurate infusion using a syringe are used. (Patent Document 1)
FIG. 8 is an external perspective view illustrating a conventional use example of a syringe-type infusion pump. In this figure, when the infusion is performed using the syringe-type infusion pump 100 after the syringe S is loaded, the clamp device 30 that fixes the pole 33 fixed in an upright state from the infusion stand 133 is used. An installation tool 300 is fixed to the clamp device 30 as shown in the figure, and the syringe-type infusion pump 100 is fixed on the mounting surface 302 of the installation tool 300 for use.

  In particular, when moving a plurality of infusion devices, by fixing various infusion devices along the vertical direction of the pole 33 of the common infusion stand 133, during transport of a specific patient or during infusion of a patient It can be moved.

  Furthermore, various infusion devices are often removed from the infusion stand 133 for treatment of another patient and are often secured to another infusion stand. For this reason, the clamp device 30 of an infusion stand becomes important. The clamp device 30 includes a clamp base portion 32 that integrally forms a gripping shape portion that grips one outer peripheral surface of a pole 33 having different diameters and an upright shape portion that is disposed opposite to the gripping shape portion, and the other outer periphery of the pole 33. The main shaft body is provided with a grip member 34 for gripping the surface at its end, and a rotary knob 31 fixed to the other end of the main shaft body. The infusion device is removable from various infusion stands 133 having poles 33.

On the other hand, the installation tool 300 is provided with a fixing screw 301 substantially at the center of the mounting surface 302, and this fixing screw 301 is attached to the female screw portion 103 formed on the bottom surface of the casing of the syringe-type infusion pump 100. It is fixed by screwing it.
Japanese Patent No. 3502086

  However, according to the installation tool 300 described above, when removing the syringe-type infusion pump 100, the infusion device is supported with one hand to prevent falling, and the fixing screw 301 is rotated many times with the other hand. On the other hand, when fixing, it is necessary to perform the reverse procedure, which may be troublesome.

  Therefore, as a result of incurring a time loss and a physical burden on nurses and the like, improvement has been desired particularly in the medical field where urgent matters are required on a daily basis.

  Therefore, the present invention has been made in view of the above circumstances, and can be automatically set to a fixed state simply by placing the infusion device on the placement position, and the infusion solution from the placement position unless the lock mechanism is released. An object of the present invention is to provide an infusion device installation tool and a method of using the same that can prevent the device from being removed, and can be prevented from being removed by anyone other than medical personnel including nurses.

  In order to solve the above problems, according to the present invention, an infusion solution including a syringe-type infusion pump and a peristaltic infusion pump is detachable at a mounting position of a base and is held in a fixed state at the above-described mounting position. A device installation device, wherein a first locked portion and a second locked portion for holding in the fixed state are provided in the infusion device and locked to the first locked portion. Between the first locking portion formed at the mounting position and the locked state and the non-locked state with respect to the second locked portion, the biasing force always moves to the locked state. The base is arranged so as to be pivotally supported and to return to the locked state after moving to the unlocked state against the biasing force as the infusion device is moved to the mounting position. The second locking member provided and the second locking member are moved from the locked state to the unlocked state. It is characterized in that it comprises a locking mechanism means that is operated when manually operated.

  Further, the first locked portion and the second locked portion are respectively formed on a front wall surface and a rear wall surface of the casing of the infusion device, and are arranged on the bottom wall surface of the casing. A pair of leg portions that also serve as positioning members in the left-right direction is formed.

  Further, the first locked portion formed on the front wall surface has a groove shape that allows the housing to swing in the front-rear direction after entering the first locking portion, and the rear wall surface The second locked portion formed on the upper side is formed by contact with the locking surface of the second locking member after the inclined claw portion of the second locking member enters from the corner of the bottom wall surface. It has a concave groove shape that holds the locked state.

  Further, the lock mechanism means is inserted into a shaft support hole formed in the second locking member so as to support the rotating shaft, and the shaft body waits along the longitudinal direction. An urging member including a compression coil spring provided between the base portion and the groove portion formed continuously from the shaft support hole portion of the second locking member so as to constantly move and urge to a position. A pin member implanted in the shaft body, and an operation lever member fixed to the end portion of the shaft body while the side surface abuts against a stopper member formed on the side surface of the base portion. The operation lever member is moved by the manual operation, and the shaft member is moved from the standby position to the pulling position to release the contact state with the stopper member, and the pin member enters the groove portion. After the axis Is turned to the turning position to release the locked state of the second locking member with respect to the second locking portion, and when the turning operation is stopped, the biasing member stops the standby position. It is characterized by returning to

  Further, the base is used by being fixed to a clamp device that is fixed at an arbitrary height with respect to the pole of the infusion stand. It is formed to be inclined toward the front, and in the case of the peristaltic infusion pump, it is formed horizontally.

  In addition, an infusion device that is already in use can be used by fixing a dedicated member forming the first locked portion and the second locked portion to the infusion device. .

  And a method for using an infusion device installation tool for holding an infusion device including a syringe-type infusion pump and a peristaltic infusion pump at a mounting position of a base and holding it in a fixed state at the above-described mounting position, the fixing device A first locked portion and a second locked portion for maintaining the state are provided in the infusion device, and the first locked portion is formed at the placement position so as to be locked to the first locked portion. Between the locking portion and the locked state and the non-locked state with respect to the second locked portion, the urging force is always provided to move to the locked state and is pivotally supported. A second locking member disposed at the base so as to return to the locked state after moving to the unlocked state against the biasing force as the device is moved to the mounting position; A lock operated when the second locking member is changed from the locked state to the unlocked state. And a mechanism unit, is characterized by holding the infusion device in a fixed state in removable and the placement position the placement position of the base by manually operating the locking mechanism means.

  According to the infusion device installation tool and the method of use of the present invention, the infusion device can be automatically fixed simply by placing it on the mounting position, and the infusion device can be removed from the fixed position without releasing the lock mechanism. Since it cannot be removed, it is possible to provide an infusion device installation tool that can effectively prevent removal by a person other than a medical worker, and a method of using the same.

  Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

  In the following description, a configuration based on a conventional installation tool will be mainly described, but it is needless to say that the present invention is not limited to this and there are various configurations defined in the scope of claims. The infusion device is premised on the use of a peristaltic finger type peristaltic infusion pump configured to perform peristaltic movement of the syringe pump and the infusion tube, but is not limited to these, Needless to say, the present invention can be applied to various infusion devices such as a roller-type infusion pump having a rotating roller as appropriate.

  Furthermore, the installation tool of the present invention can be arbitrarily fixed to a bedside, a wall surface in a hospital room, or the like in addition to the pole of the infusion stand.

  First, FIG. 1 is an external perspective view of a syringe pump 1, which is an infusion device using a syringe, seen obliquely from the front. In this figure, the syringe-type infusion pump 1 achieves a size reduction of about 10% as compared with the conventional type, and a handle 7 is integrally formed from the left side surface of the lower housing 2. In addition, a set of leg portions 8 and 8 formed with the distance W as a trough portion is integrally formed on the bottom wall surface 2 a of the housing 2. A first locked portion 10 is formed between the leg portions 8 and 8. Further, a groove portion 9 for setting a flange portion of the syringe outer cylinder (main body) and a placement portion 4 for placing the syringe barrel portion are integrally molded with the casing above the syringe pump 1. .

  Furthermore, the upper surface 3 of the syringe pump 1 is provided with a gripping member 5 configured to automatically detect the diameter of the syringe by fixing the syringe body, and a slider 6 for setting the syringe pusher. By setting the slider 6 in the state where the pusher is pulled out to the maximum position, the slider 6 is driven so as to be moved in the direction of the arrow by a built-in mechanism (not shown). Is configured to be fed via an infusion tube (not shown).

  Next, FIG. 2 is an external perspective view showing the first embodiment of the installation tool 20 according to the present invention. In this figure, the installation tool 20 includes a base 21 in which a mounting surface 22 is formed obliquely as shown in the figure, and all the parts described below are inserted and fixed from the back side of the base 21, Consideration is given so that screws are not exposed on the external surface. The base 21 can be stably supplied by being injection-molded from a resin material containing engineering plastic, and is also configured at a low cost. In addition, a large number of ribs that also serve to prevent uneven thickness are integrally molded from the viewpoint of injection molding. Of course, it is also possible to prepare the base 21 from a metal other than a resin molded product, wood, a hybrid material of resin and metal, or the like.

  The width W of the mounting surface 22 of the base 21 is set to be less than the distance W between the legs 8 and 8 shown in FIG. 1, and the bottom surface 2 a of the syringe pump 1 is mounted on the mounting surface 22. It is configured so that positioning in the left-right direction can be performed by automatically becoming a mounting position.

  Further, the first locked portion (first concave locked portion) 10 is inserted into the first locking portion (first convex locking portion) 23, and the movable second locking is performed. After the inclined claw portion 24a of the member 24 is moved in the direction of the arrow D3 and once moved to the position shown by the broken line, it is returned to the position shown by the solid line so as to be engaged with the second locked portion described later. The positioning of the syringe-type infusion pump 1 in the front-rear direction is performed.

  Here, although the case where the 1st to-be-latched part 10 is provided ahead and the 2nd to-be-latched part is provided back is described, it cannot be overemphasized that this positional relationship may be reverse.

  Further, behind the base portion 21, insert nuts 11 serving as female screw portions when being fixed to the clamping device are insert-molded at four locations as shown in the figure.

  An operation lever 13 is provided on the side surface of the base portion 21. The operation lever 13 is provided so that its side surface cannot be rotated at the illustrated position by abutting against the stopper portion 12 integrally formed from the side surface of the base portion 21. In addition, the operation lever 13 is configured to be able to be rotated in the direction of the arrow D1 by being pulled in the direction of the arrow D2 so that the contact with the stopper portion 12 is released.

  FIG. 3 is a cross-sectional view taken along line X-X in FIG. 2, and the mounting tool 20 is fixed to the pole 33 of the infusion stand via the clamp device 30 and the syringe-type infusion pump 1 described above. The state immediately before mounting the bottom surface 2a of this on the mounting surface 22 is illustrated.

  In this drawing, the same reference numerals are given to the components or components already described, and the description is omitted. The first locked portion 10 is integrated as a triangular groove portion as shown in the figure on the front wall surface of the housing 2. Is formed.

  Further, the second locked portion (second concave locked portion) 15 is integrally formed on the rear wall surface of the housing 2 so as to have a concave groove shape, and is formed between the bottom wall surface 2a. The corner 2c is integrally formed below the corner 2c. The mountain-shaped first locking portion 23 formed to protrude toward the mounting surface 22 enters the first locked portion 10 so that the entire infusion pump 1 can rotate in the front-rear direction. To do. Further, the second locked portion 15 moves in the direction of the arrow D3 when the inclined claw portion 24a of the second locking member (second convex locking portion) 24 contacts the corner portion 2c of the bottom wall surface. So as to rotate. For this reason, the second locking member 24 is pivotally supported around the shaft body 16 and is built in the base portion 21 so as to return to the original position by the action of the compression coil spring 17 as an urging means.

  On the other hand, the clamp base 30 is fixed to the clamp device 30 by using four flat head screws 44 screwed to the insert nut 11 insert-molded in the base 21. In view of this, the rotation knob 31 of the clamp device 30 is rotated as described above so that the whole is fixed at an optimum height position with respect to the pole 33.

  Next, FIG. 4 is a three-dimensional exploded view of the configuration shown in FIG. 3 as viewed from the direction of line XX in FIG. In this figure, the same reference numerals are given to the components or parts already described, and the description is omitted. First, the back surface of the base 21 is provided with a number of ribs as shown in the figure, and the insert nut 11 is inserted into the insert. Boss portions for molding are provided by being reinforced by ribs. Further, insert molds 40 for fixing the bearing block 27 are inserted and molded at the left and right portions of the insert nuts 11, respectively.

  On the other hand, the shaft body 16 is prepared, for example, by lathing a stainless steel round bar having a diameter of 6 mm. After a part of the shaft body 16 is milled, the hole portion 16a, the groove portion 16b, and the screw portion 16c are processed as illustrated. Is done. After the E-ring 35 as a retaining ring is press-fitted into the groove 16b of the shaft body 16 and fixed, the hole 27b of the bearing block 27 is inserted, and then the hole 24b of the second locking member 24 is inserted. A pin member 29 having a spring force spreading in the hole 16a of the body 16 is press-fitted so that the pin member 29 enters the groove 24c of the second locking member 24, and the hole 27b of the second bearing block 27 is inserted. Is inserted. Thereafter, the bottom surface of the compression coil spring 17 is set on the stud 38 of the base portion 21, the top surface is set in the bottomed hole portion 24 d of the second locking member 24, and the coil spring 36 is inserted into the shaft body 16, The shaft body 16 is set at a position indicated by a two-dot chain line in the drawing. Next, the countersunk screw 28 is inserted into the hole of each bearing block 27 and screwed into the insert nut 40 to be fixed.

  Then, the hole 13b of the operating lever 13 is set in the shaft body 16, the small screw 41 and the spring washer 42 are set in the hole formed perpendicularly from the hole 13b, and the small screw 41 is inserted into the screw hole. Screw into 16c to complete. Since the operation lever 13 is pulled as described later, a grip portion 13a is formed at the edge.

  FIG. 5A shows a state where the infusion device 1 is in the rotating position, and FIG. 5B is an operation explanatory view following FIG. 3 showing a state where the infusion device 1 is in the locked state.

  In this figure, the same reference numerals are given to the components or parts already described, and the description is omitted. In FIG. 5A, the infusion device 1 is moved in the direction of arrow D and positioned as described above. By being placed on the mounting surface 22, the first locking portion 23 is locked to the first locked portion 10. At this time, the corner portion 2c is located on the inclined claw portion 24a of the second locking member 24, and the compression coil spring 17 is compressed by moving the infusion device 1 downward under its own weight, and the arrow D3. It turns around the shaft body 16 in the direction, and the tip of the inclined claw portion 24a exceeds the corner portion 2c. Thereafter, by further moving downward, as shown in FIG. 5B, the locking surface 24 k is held in a locked state in which it enters the side surface of the second locking portion 15.

  As described above, the infusion device 1 can be fixed to the mounting tool with one touch.

  Next, when the infusion device 1 is removed from the placement position, the operation lever 13 is operated by a double action of a two-stage operation in order to prevent removal by a person other than a medical worker including a nurse. It is configured.

  6A to 6C are diagrams for explaining the operation of the operation lever 13. In this drawing, the same reference numerals are given to the components or parts already described, and the description thereof will be omitted. In FIG. 6A, in the standby position, a groove formed continuously from the hole of the second locking member 24. The pin member 29 is separated from 24c. Further, the operating lever 13 is pulled in the direction of the arrow by the compression action of the coil spring 36. At this time, the side surface of the operation lever 13 is in contact with the stopper member 12 formed on the side surface of the base portion 21, and the operation lever 13 cannot rotate.

  Next, in FIG. 6B, the coil spring 36 is compressed between the inner wall of the base portion 21 and the E ring 35 by gripping the grip portion 13 a of the operation lever 13 and moving it in the direction of arrow D <b> 2 by manual operation. The shaft body 16 is moved from the standby position to the pulling position. At this time, the contact state with respect to the stopper member 12 is released, and the pin member 29 enters the groove portion 24c.

  Thereafter, in FIG. 6C, when the operation lever 13 is rotated in the direction of the arrow D1, the shaft body 16 is rotated in the direction of the arrow D4, and the rotational force is second locked via the pin member 29. By being transmitted to the member 24, it is rotated in the direction of arrow D5 so that the tip of the inclined claw portion 24a is retracted from the opening 18 of the base portion 21. As a result, the locked state with respect to the second locked portion 15 is released. Further, when the grip is released so as to stop the rotation operation of the operation lever 13, the coil spring 36 and the compression coil spring 17 are returned to the original positions to return to the standby position. The stopper member 12, the coil spring 36, etc. may not be provided, and the lever 13 may be provided at the bottom of the base 21, etc., so that only a medical worker such as a nurse can easily remove it by a single lever operation.

  Here, in the case of the syringe-type infusion pump 1, the placement surface 22 at the placement position is formed so as to be inclined toward the front, and the operability is improved. However, in the case of a peristaltic-type infusion pump, the placement surface 22 is horizontal. Must be installed.

  FIG. 7 is a cross-sectional view of an essential part showing a state in which the peristaltic infusion pump is installed horizontally. In this figure, the same reference numerals are given to the components or parts already described, and the description is omitted. The peristaltic infusion pump 101 performs a peristaltic motion with the door 110 that can open and close the infusion tube 102 connected to the infusion bag. It is comprised so that it may inject | pour between the fingers 106 to perform, and the infusion accompanying peristaltic movement may be performed.

  A dedicated member 200 in which the first locked portion 10 and the second locked portion 15 are formed is fixed to the bottom surface with screws 201. For this reason, the infusion apparatus already in use can be made usable.

  Alternatively, the first locked portion 10 and the second locked portion 15 may be integrally formed in the casing of the peristaltic infusion pump 101.

  On the other hand, since the base 21 is fixed to the wall surface in the hospital room via the bracket 45, it can be easily attached and detached.

  As described above, the infusion device including the syringe-type infusion pump 1 and the peristaltic-type infusion pump 101 can be detachably mounted on the placement surface 22 of the base 21 and can be held in a fixed state at the placement position. By providing the operation lever 13 provided with a lock mechanism that is operated in two steps when changing from the state to the non-locking state, the medical staff can easily attach and detach and replace. As a result, it is possible to respond quickly in an emergency.

These are the external appearance perspective views which looked at the syringe pump 1 which is an infusion apparatus using a syringe from diagonally forward. These are the external appearance perspective views which become 1st Embodiment of the installation tool 20 by this invention. FIG. 3 is a cross-sectional view taken along line X-X in FIG. 2, and the mounting tool 20 is fixed to the pole 33 of the infusion stand via the clamp device 30, and the bottom surface of the syringe-type infusion pump 1. The state just before mounting 2a on the mounting surface 22 is illustrated. [Fig. 4] is a three-dimensional exploded view of the configuration shown in Fig. 3 as viewed from the direction of line XX in Fig. 3. (A) shows the state in which the syringe pump 1 is in the rotation position, and (b) is an operation explanatory view following FIG. 3 showing the state in which the syringe pump 1 is in the locked state. (A)-(c) is operation explanatory drawing of the operation lever 13. FIG. These are principal part sectional drawings which showed a mode that it installed horizontally in the case of a peristaltic infusion pump. These are the external appearance perspective views which illustrated the conventional example about the syringe pump.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Syringe pump 2 Housing | casing 8 Leg part 10 1st to-be-latched part 11 Insert nut 12 Stopper part 13 Operation lever 15 2nd to-be-latched part 16 Shaft body 17 Compression coil spring 18 Opening part 20 Installation tool 21 Base part 22 Mounting surface 23 first locking portion 24 second locking member 29 pin member 30 clamping device 36 coil spring 101 peristaltic infusion pump 200 dedicated member

Claims (7)

A syringe-type infusion pump, an infusion device including a peristaltic infusion pump, an infusion device installation tool that can be attached and detached at the base mounting position and held in a fixed state at the above-mentioned mounting position,
A first locked portion and a second locked portion for holding in the fixed state are provided in the infusion device, and are formed at the placement position so as to be locked to the first locked portion. A first locking portion;
Between the locked state and the non-locked state with respect to the second locked part, the urging force is always moved to the locked state and is pivotally supported. A second locking member disposed at the base so as to return to the locked state after moving to the unlocked state against the biasing force as moved to a position;
A locking mechanism means that is operated when the second locking member is manually operated from the locked state to the non-locked state. The first locked portion and the second locked portion are respectively formed on the front wall surface and the rear wall surface of the casing of the infusion device,
The infusion device installation tool according to claim 1, wherein a pair of legs that also serve as positioning members in the left-right direction with respect to the mounting position are formed on the bottom wall surface of the housing. The first locked portion formed on the front wall surface has a groove shape that allows the housing to swing in the front-rear direction after entering the first locking portion,
The second locked portion formed on the rear wall surface is formed by the locking surface of the second locking member after the inclined claw portion of the second locking member enters from the corner of the bottom wall surface. The infusion device installation tool according to claim 2, wherein the infusion device has a concave groove shape that holds the locked state by contact. The locking mechanism means includes
A shaft body for supporting the rotation shaft by being inserted into a shaft support hole formed in the second locking member;
A biasing member including a compression coil spring provided between the base and the base body to constantly move and bias the shaft body to a standby position along the longitudinal direction;
A pin member implanted in the shaft body so as to infiltrate into a groove portion continuously formed from the shaft support hole portion of the second locking member;
An operation lever member fixed to the end portion of the shaft body with its side surface abutting against a stopper member formed on the side surface of the base portion,
The operation lever member is moved by the manual operation, and the shaft body is moved from the standby position to the pulling position to release the contact state with the stopper member, and the pin member enters the groove portion. Then, by rotating the shaft body to the rotation position, the locking state of the second locking member with respect to the second locking portion is released,
4. The infusion device installation tool according to claim 1, wherein when the rotation operation is stopped, the biasing member returns the standby position to the standby position. 5. The base is used by being fixed to a clamp device fixed at an arbitrary height with respect to the pole of the infusion stand,
5. The mounting surface at the above-described mounting position is formed to be inclined forward in the case of the syringe-type infusion pump, and is formed in the horizontal direction in the case of the peristaltic-type infusion pump. The infusion device installation tool according to any one of the above.   The infusion device that is already in use can be used by fixing a dedicated member forming the first locked portion and the second locked portion to the infusion device. The infusion device installation tool according to 1. A method of using an installation device for an infusion device for holding an infusion device including a syringe-type infusion pump and a peristaltic infusion pump at a mounting position of a base and holding the infusion device in a fixed state at the above-described mounting position. A first locking portion and a second locking portion for holding are provided in the infusion device, and the first locking is formed at the placement position so as to be locked to the first locking portion. And an urging force that always moves to the locked state between the locked state and the non-locked state with respect to the second locked portion, and is pivotally supported. A second locking member disposed at the base so as to return to the locked state after moving to the unlocked state against the biasing force as it is moved to the mounting position; 2. Locking mechanism operated when changing the locking member from the locked state to the unlocked state And a stage,
A method for using an installation device for an infusion device, wherein the infusion device is detachably attached at the previous placement position of the base and held in a fixed state at the previous placement position by manually operating the lock mechanism means.

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