JP2012010956A - Infusion pump - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce errors in mounting an infusion tube regarding an infusion pump.SOLUTION: The infusion pump 100 includes: a solution feeding part 110 feeding an infusion solution in the horizontally mounted infusion tube; a door part 120 covering the solution feeding part 110 mounted with the infusion tube, in an openable/closable manner; and a display part 130B displaying the state of the solution feeding part 110. A curved groove part 142 for changing the mounting direction of the horizontally mounted infusion tube upward is formed at the end of the solution feeding part 110. The display part 130B displays an identifier that shows an infusion solution delivery direction from the first end side of the solution feeding part 110 formed with the curved groove part 142, toward the second end side located on the opposite side to the first end when the door 120 is in an opened state and when the infusion tube is not mounted to the solution feeding part 110.

Description

  The present invention relates to an infusion pump.

  Conventionally, a peristaltic infusion pump (hereinafter simply referred to as an infusion pump) that performs infusion by sequentially pressing an infusion tube connected to an infusion bag with a plurality of fingers is known.

  In general, an infusion pump is composed of an openable / closable door portion provided with various operation portions and a display portion, and a main body portion in which a plurality of fingers for sequentially pressing the infusion tube are arranged in the liquid feed direction. The infusion tube is set in the infusion pump by attaching the infusion tube to the main body with the door portion open and closing the door portion (see, for example, Patent Document 1 below). .

  On the other hand, the applicant of the present application arranges the various operation units and the display unit, and the door unit separately with respect to the main body unit, so that the size of the entire display unit is not limited by the size of the door unit. The infusion pump which implement | achieves a wide display part is considered by making it the structure which attaches the tube for infusion sideways while making it large.

JP 2002-58738 A

  However, if the infusion tube is mounted sideways, depending on the user, the infusion tube may be mounted in a direction opposite to the original liquid feeding direction. In other words, in the case of a configuration in which the infusion tube is mounted vertically as in a conventional infusion pump, the user can intuitively determine the liquid feeding direction. It may be difficult to intuitively determine the liquid direction, and the infusion tube may be attached in the opposite direction.

  For this reason, when realizing the above-mentioned infusion pump, it is desirable that the user can install the infusion tube without making a mistake in the mounting direction.

  This invention is made | formed in view of the said subject, and it aims at providing the infusion pump which reduces the mounting | wearing mistake of the tube for infusion.

In order to achieve the above object, an infusion tube according to the present invention has the following configuration. That is,
A liquid feeding part for sending out the infusion in the tube for infusion installed sideways;
A door part that covers the liquid feeding part to which the infusion tube is attached so as to be openable and closable;
An infusion pump comprising a display unit that is fixedly arranged regardless of opening and closing of the door unit and displays a state of the liquid feeding unit,
A groove for changing the mounting direction of the infusion tube mounted sideways upward and / or downward is formed at the end of the liquid feeding part,
In the case where the display portion is when the door portion is in an open state and the infusion tube is not attached to the liquid feeding portion,
Mounting of the infusion tube located on the side opposite to the first end from the first end side of the liquid feeding portion in which a groove for changing the mounting direction of the infusion tube upward is formed A direction toward the second end portion where the groove portion for changing the direction upward is not formed and / or a third portion of the liquid feeding portion where the groove portion for changing the mounting direction downward is not formed. From the end side, the infusion is placed in a direction toward the fourth end side where a groove for changing the mounting direction of the infusion tube downward is located on the side opposite to the third end. An identifier indicating a sending direction is displayed.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the infusion pump which reduces the mounting | wearing mistake of the tube for infusion.

It is a figure which shows an example of the external appearance structure of the infusion pump 100 which concerns on one Embodiment of this invention. It is a figure which shows the state which opened the door part of the infusion pump. It is a flowchart which shows the flow of the display process at the time of the infusion tube mounting | wearing of the infusion pump 100. FIG. It is a figure which shows the Example of the infusion pump 100 which performs the flowchart shown in FIG. It is a figure which shows the Example of the infusion pump 100 which performs the flowchart shown in FIG. It is a figure which shows the Example of the infusion pump 100 which performs the flowchart shown in FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[First Embodiment]
1. Appearance Configuration FIG. 1 of the infusion pump is a diagram showing an example of the external configuration of the infusion pump 100 according to an embodiment of the present invention.

  As shown in FIG. 1, the infusion pump 100 includes a door part 120 that covers a liquid feeding part 110 to which an infusion tube can be mounted sideways, and a user interface part 130 disposed above the liquid feeding part 110 and the door part 120. With.

  Furthermore, the end part of the liquid feeding part 110 and the end part of the user interface part 130 are provided with a fixing part 140 having a groove part that guides an infusion tube mounted laterally on the liquid feeding part 110 upward. Hereinafter, each part will be described in detail (details of the liquid feeding part 110 will be described later).

  The door part 120 is connected to the liquid feeding part 110 at the connecting part 121 and is configured to be openable and closable in the direction of the arrow 122.

  The user interface unit 130 includes an operation unit 130A and a display unit 130B. The operation unit 130A is input with various setting values used when liquid is fed in the liquid feeding unit 110, an operation switch for instructing start / end of liquid feeding, and the power supply of the infusion pump 100 are turned on. A power switch for instructing / OFF is arranged.

  The display unit 130B displays various set values input from the operation unit 130A, and displays the liquid supply state of the liquid supply unit 110.

  In the infusion pump 100 according to the present embodiment, since the user interface unit 130 is arranged independently of the door unit 120, the user can visually recognize the display unit 130B regardless of the open / closed state of the door unit 120. Various operations can be performed via the operation unit 130A.

  The fixing portion 140 includes a groove portion 141 that holds the infusion tube extended from the liquid feeding portion 110 in a state where the infusion tube is mounted laterally on the liquid feeding portion 110 and the door portion 120 is closed. The groove portion 141 includes a curved groove portion 142 for bending the infusion tube extending in the lateral direction from the liquid feeding portion 110 upward, and an infusion tube bent upward in the curved groove portion 142 at the end of the liquid feeding portion 110. And a straight groove 143 that guides upward in parallel with the end of the user interface 130.

  As described above, the configuration in which the curved groove portion 142 is disposed at the end of the liquid feeding unit 110 allows the user wearing the infusion tube to intuitively find that the side bent upward corresponds to the upstream side in the liquid feeding direction. Can be recognized.

  That is, in the case of the infusion pump 100 according to the present embodiment, in the case of the conventional infusion pump, since the infusion tube was configured to be installed vertically, the infusion direction could be intuitively grasped. Since the infusion tube is installed sideways, it is difficult to intuitively grasp the liquid feeding direction. However, it is easy to grasp the liquid feeding direction intuitively by arranging the curved groove 142. It became possible to do.

2. Next, the configuration of the liquid feeding unit 110 of the infusion pump 100 will be described. FIG. 2 is a diagram showing an external configuration of the infusion pump 100 in which the door portion 120 is in an open state. In the door part 120 of FIG. 2, reference numeral 201 denotes a door base, which is rotatably connected to the main body base 211 of the liquid feeding part 110 via a hinge part 202. Thereby, the door part 120 can be opened and closed with respect to the liquid feeding part 110.

  A buffer plate mechanism 203 supports the back surface of the infusion tube when the door 120 is closed and the infusion tube is pressed by a finger to be described later. Reference numeral 204 denotes a closing presser plate, which holds the infusion tube with a closing sensor (to be described later) when the door portion 120 is closed.

  In the liquid feeding part 110 of FIG. 2, reference numeral 212 denotes a sensor groove part, and a bubble detection sensor (not shown) for detecting air bubbles in the infusion tube is arranged on the side wall part forming the sensor groove part 212.

  Reference numeral 213 denotes a pump mechanism in which a plurality of fingers 214-1 to 214-5 that sequentially press the infusion tube are arranged in the liquid feeding direction.

  An occlusion sensor 215 includes a permanent magnet and a pickup for detecting the movement amount of the permanent magnet in an analog manner. The occlusion sensor 215 detects the occlusion state by detecting the amount of movement of the permanent magnet that has moved according to the change in internal pressure associated with the occlusion state of the infusion tube.

  Reference numeral 216 denotes a tube clamp holding portion which holds a clamp attached to the infusion tube and temporarily closes the infusion tube against the clamp when the door portion 120 is opened. Add a pressing force for.

  The tube clamp holding part 216 is configured to detect that the clamp attached to the infusion tube is held, whereby the infusion pump 100 determines whether or not the infusion tube is attached. ing.

  Reference numeral 217 denotes a release lever. When the release lever 217 is operated, the application of the pressing force to the clamp by the tube clamp holding portion 216 is released (that is, the infusion of the infusion tube by the clamp is released).

Reference numeral 218 denotes a defining portion that defines the position in the longitudinal direction of the infusion tube when the infusion tube is fixed to the liquid feeding portion 110.

Reference numerals 219 and 220 denote an adsorbing part such as a magnet and an adsorbed part, and maintain the closed state of the door part 120 by adsorbing each other. The adsorbing unit 219 and the adsorbed unit 220 are configured to detect whether or not they are adsorbed to each other, whereby the infusion pump 100 determines the open / closed state of the door unit 120.

3. Display on Display Unit When Infusion Tube is Mounted Next, display processing on the display unit 130B when the infusion tube is mounted will be described. As described above, in the infusion pump 100 according to the present embodiment, since the user interface unit 130 is arranged independently of the door unit 120, the user can display the display unit regardless of the open / closed state of the door unit 120. 130B can be visually recognized. For this reason, in the infusion pump 100 according to the present embodiment, after the power is turned on, until the infusion tube is attached to the infusion portion 110 and the door portion 120 is closed, the infusion tube An identifier indicating the mounting direction is displayed to alert the user so that the user does not mistake the mounting direction of the infusion tube.

  FIG. 3 is a flowchart for displaying an identifier indicating the mounting direction of the infusion tube, which is started after the infusion pump 100 is turned on.

  In step S301, it is determined whether or not the door unit 120 is in an open state. If it is determined in step S301 that the door 120 is not open, the process waits until the door 120 is open.

  If it is determined in step S301 that the door part 120 is in the open state, the process proceeds to step S302, and it is determined whether or not the infusion tube is attached to the liquid feeding part 110.

  If it is determined in step S302 that the infusion tube is attached to the liquid delivery unit 110, the process returns to step S301. On the other hand, when it is determined in step S302 that the infusion tube is not attached to the liquid feeding unit 110, the process proceeds to step S303, and an identifier indicating the liquid feeding direction (direction in which the infusion is delivered) is displayed on the display unit 130B. To do.

  In the infusion pump 100 according to the present embodiment, the curved groove portion 142 that bends the infusion tube extending in the lateral direction from the liquid feeding portion 110 upward is arranged at the end of the liquid feeding portion 110. The side on which 142 is disposed is the upstream side in the liquid feeding direction. On the contrary, the side (opposite side) where the curved groove part 142 is not provided in the end part of the liquid feeding part 110 is the downstream side in the liquid feeding direction. Therefore, as an identifier indicating the liquid feeding direction, an arrow heading from the end portion side where the curved groove portion 142 is disposed to the end portion side where the curved groove portion 142 is not disposed is displayed on the display unit 130B.

  In step S304, it is determined whether or not the door unit 120 is in a closed state. If it is determined in step S304 that the door 120 is not closed, the process waits until the door 120 is closed. On the other hand, if it is determined in step S304 that the door unit 120 is in the closed state, the process proceeds to step S305, and the display of the identifier indicating the liquid feeding direction is terminated. In step S305, after the display of the identifier indicating the liquid feeding direction is finished, the process returns to step S301, and the above process is repeated until the power of the infusion pump 100 is shut off.

  As described above, in the infusion pump 100 according to the present embodiment, when the door part 120 is in an open state with no infusion tube attached, an identifier indicating the liquid feeding direction is displayed on the display unit 130B. By informing the user of the liquid feeding direction, it is intended to reduce mounting mistakes for the infusion tube.

4). EXAMPLE Next, an example of the infusion pump 100 for executing the flowchart shown in FIG. 3 will be described with reference to FIGS. FIG. 4 is a diagram illustrating a state in which the door 120 of the infusion pump 100 is in an open state without the infusion tube being attached.

  As shown in FIG. 4, when the door part 120 is in the open state and the infusion tube is not attached, the identifier 401 indicating the liquid feeding direction is displayed on the display part 130B and alerts the user. Message (“Please attach the infusion tube so that the direction of liquid delivery is in the direction of the arrow”) 402 is displayed.

  Note that in the infusion pump 100, the curved groove 142 that bends the infusion tube extending in the lateral direction from the liquid feeding unit 110 upward is arranged at the right end of the liquid feeding unit 110 toward the paper surface. The right side of the paper is the upstream side in the liquid feeding direction. On the other hand, the left side (opposite side) of the paper feeding portion 110 where the curved groove 142 is not provided is the downstream side in the liquid feeding direction. Therefore, the identifier 401 indicating the liquid feeding direction is displayed as an arrow from the right side of the paper to the left side of the paper.

  FIG. 5 is a view showing a state in which the infusion tube is attached while the door 120 of the infusion pump 100 is open. Even when the infusion tube is attached, while the door 120 is in the open state, the display of the identifier 401 indicating the liquid feeding direction and the message 402 for alerting the user is continued.

  On the other hand, FIG. 6 is a view showing a state where the door 120 of the infusion pump 100 is closed after the infusion tube is attached. When the door unit 120 is closed, the display of the identifier 401 indicating the liquid feeding direction on the display unit 130B and the message 402 for alerting the user ends.

  As is clear from the above description, in the infusion pump 100 according to the present embodiment, the curved groove 142 that bends the infusion tube extending in the lateral direction from the liquid feeding unit 110 upward is formed at the end of the liquid feeding unit 110. It was set as the structure to distribute.

  Thereby, the user wearing the infusion tube can intuitively recognize that the side bent upward is the upstream side in the liquid feeding direction.

  Furthermore, in the infusion pump 100 according to the present embodiment, when the door 120 is in an open state with no infusion tube attached, the curved groove 142 is arranged from the end side where the curved groove 142 is arranged. An arrow heading toward the end portion that is not displayed is displayed on the display unit 130B, thereby indicating the liquid feeding direction.

  Thereby, when mounting | wearing the tube for infusion, it became possible for the user to judge the upstream / downstream side of a liquid feeding direction based on the display of the display part 130B.

  As a result, the user can install the infusion tube without making a mistake in the mounting direction, and it is possible to reduce mounting errors.

[Second Embodiment]
In the first embodiment, the curved groove part that bends the infusion tube extending in the lateral direction from the liquid feeding part 110 upward is arranged at the end of the liquid feeding part 110 (the right end toward the paper surface). Although configured, the present invention is not limited to this.

  For example, it is good also as a structure which distribute | arranges the curved groove part which bends the tube for infusion extended in the horizontal direction from the liquid feeding part 110 to the edge part (for example, the left side toward the paper surface) of the liquid feeding part 110.

  In this case, the side on which the curved groove for bending the infusion tube downward is the downstream side in the liquid feeding direction. On the contrary, the side (opposite side) where the curved groove portion is not provided in the end portion of the liquid feeding unit 110 is the upstream side in the liquid feeding direction. Therefore, an arrow heading from the end side where the curved groove portion is not arranged is displayed on the display unit 130B as an identifier indicating the liquid feeding direction toward the end portion side where the curved groove portion is arranged.

[Third Embodiment]
In the said 1st and 2nd embodiment, although the groove part was comprised by the curved groove part and the linear groove part, this invention is not limited to this, The structure which has only a curved groove part may be sufficient.

  Moreover, in the said 1st and 2nd embodiment, although it was set as the structure which distribute | arranges a curved groove part to one edge part of the liquid feeding part 110, this invention is not limited to this, For example, it faces upward to one edge part. It is good also as a structure which distribute | arranges the curved groove part bent to 1 and arrange | positions the curved groove part bent downward to the other edge part.

DESCRIPTION OF SYMBOLS 100: Infusion pump 110: Liquid feeding part 120: Door part 130: User interface part 130A: Operation part 130B: Display part 140: Fixing part 141: Groove part 142: Curved groove part 143: Straight groove part 401: identifier 402: message

Claims (2)

A liquid feeding part for sending out the infusion in the tube for infusion installed sideways;
A door part that covers the liquid feeding part to which the infusion tube is attached so as to be openable and closable;
An infusion pump comprising a display unit that is fixedly arranged regardless of opening and closing of the door unit and displays a state of the liquid feeding unit,
A groove for changing the mounting direction of the infusion tube mounted sideways upward and / or downward is formed at the end of the liquid feeding part,
In the case where the display portion is when the door portion is in an open state and the infusion tube is not attached to the liquid feeding portion,
Mounting of the infusion tube located on the side opposite to the first end from the first end side of the liquid feeding portion in which a groove for changing the mounting direction of the infusion tube upward is formed The liquid feeding part in which the groove part for changing the mounting direction of the infusion tube downward is not formed, and / or the direction toward the second end part side where the groove part for changing the direction upward is not formed. In the direction from the third end side toward the fourth end side, which is located on the opposite side of the third end portion and has a groove portion for changing the mounting direction of the infusion tube downward. An infusion pump characterized by displaying an identifier indicating the direction in which the infusion is delivered.   2. The infusion pump according to claim 1, wherein the display unit terminates display of an identifier indicating a direction in which the infusion is delivered when the door unit is in a closed state.

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