WO2019189437A1

WO2019189437A1 - Medicinal liquid administering set

Info

Publication number: WO2019189437A1
Application number: PCT/JP2019/013312
Authority: WO
Inventors: 裕介薬師寺
Original assignee: テルモ株式会社
Priority date: 2018-03-30
Filing date: 2019-03-27
Publication date: 2019-10-03
Also published as: JPWO2019189437A1

Abstract

[Problem] To provide a medicinal liquid administering set provided with a medicinal liquid administering device with which a reduction in size can be achieved, and with which power consumption in a standby state can be suppressed. [Solution] A medicinal liquid administering set 10 comprises: a medicinal liquid administering device 100 provided with a medicinal liquid container 110 filled with a medicinal liquid, a housing 120 holding the medicinal liquid container, a plunger 130 for pushing out the medicinal liquid in the medicinal liquid container, a drive mechanism 140 which is accommodated in the housing to cause the plunger to advance toward a distal end side of the medicinal liquid container, a power source unit 170 which is accommodated in the housing to supply a drive current to the drive mechanism, and a magnetic reed switch 150 which is accommodated in the housing and which switches the power source unit between an active state and an inactive state; and a switching magnet 300 capable of switching the magnetic reed switch between an energized state and a non-energized state.

Description

Chemical solution administration set

The present invention relates to a chemical solution administration set.

2. Description of the Related Art Conventionally, there is known a syringe pump type liquid medicine administration device that administers a liquid medicine filled in a liquid medicine container into a living body by a pressing action of a pusher. This type of chemical solution administration device includes a cylindrical chemical solution container and a pusher mechanism that pushes out the chemical solution in the chemical solution container (see, for example, Patent Document 1 below). The chemical solution container and the pusher mechanism are accommodated in the housing and supported by the housing. Moreover, said chemical | medical solution administration apparatus may be used in the state attached to the user's body surface.

JP-A-9-294807

When the chemical solution administration device is used on the surface of the user's body as described above, it is preferable that the drug solution administration device be configured as small as possible so that the user's behavior is not restricted. However, the following problems arise when miniaturizing the drug solution administration device.

The drug solution administration device is equipped with a power supply unit that supplies driving power for driving the forward movement of the pusher. Moreover, since a chemical | medical solution administration apparatus may be stored in the unused state over a long period of time, it is preferable that the power consumption in a standby state is as small as possible.

In order to reduce the size of the medicinal solution administration device, it is conceivable to reduce the size of the housing (housing) of the medicinal solution administration device. However, if the housing is provided with an activation switch, the housing is designed to increase the waterproofness of the housing. I need it. This complicates the structure of the housing and makes it difficult to avoid an increase in the size of the housing. On the other hand, it may be possible to adopt a contact type sensor or a wireless switching element instead of the activation switches, but when these technologies are adopted, the power consumption in the standby state is greatly increased.

Therefore, conventionally, it has been difficult to achieve both miniaturization of the drug solution administration device and reduction of power consumption in the standby state.

The present invention has been made in view of the problems as described above, and an object thereof is to provide a medicinal solution administration set including a medicinal solution administration device that can be reduced in size and can reduce power consumption in a standby state. To do.

The chemical solution administration set according to the present invention includes a chemical solution container filled with a chemical solution, a housing that holds the chemical solution container, a pusher that pushes out the chemical solution in the chemical solution container, and the housing that is housed in the housing. A drive mechanism for advancing toward the distal end side of the chemical solution container, a power supply unit that is housed in the housing and supplies a drive current to the drive mechanism, and is housed in the housing and switches between a start state and a non-start state of the power supply unit A chemical solution administration device including a magnet reed switch; and a switching magnet capable of switching between an energized state and a non-energized state of the magnet reed switch.

According to the medicinal solution administration set of the present invention, the medicinal solution administration device can be miniaturized and the power consumption of the medicinal solution administration device in a standby state can be suppressed.

It is a side view of the chemical | medical solution administration system which concerns on embodiment. It is a figure which shows typically the usage example of a chemical | medical solution administration system. It is a top view of a chemical | medical solution administration apparatus. It is a top view which shows the inside of the housing of a chemical | medical solution administration apparatus. It is a perspective view of a magnet reed switch. It is a top view which shows the example of arrangement | positioning of a magnet reed switch. It is a top view of a chemical | medical solution administration set. It is a perspective view which shows the state which took out the chemical | medical solution administration apparatus from the holding member. It is a top view of the chemical | medical solution administration set which concerns on a modification. FIG. 10 is a partial cross-sectional view of a portion indicated by an arrow 10-10 in FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In addition, the following description does not limit the technical scope and terms used in the claims. In addition, the dimensional ratios in the drawings are exaggerated for convenience of explanation, and may differ from actual ratios.

FIG. 1 to FIG. 6 are diagrams for explaining the chemical liquid administration system 1, the chemical liquid administration set 10, the chemical liquid administration device 100, and the administration device 200 according to the embodiment. In FIG. 4, the outer shape of the housing 120 is indicated by a two-dot chain line, and each member held by the housing 120 is indicated by a solid line. The arrow X attached to each figure indicates the “longitudinal direction” of the drug solution administration device 100, the arrow Y indicates the “width direction (depth direction)” of the drug solution administration device 100, and the arrow Z indicates the drug solution administration device 100. “Height direction” is shown.

(Medical solution administration system)
The drug solution administration system 1 is used to administer a drug solution into a living body. As shown in FIG. 1, the drug solution administration system 1 includes a drug solution administration device 100 and an administration device 200.

As shown in FIG. 2, the chemical solution administration device 100 and the administration device 200 are configured as a patch type that is used by being attached to the body surface (skin) H of the user. Although the site | part of the user's body which attaches the chemical | medical solution administration apparatus 100 and the administration instrument 200 is not specifically limited, For example, they are an abdomen and a thigh.

The medicinal solution administration system 1 is, for example, a medicinal solution (not shown) filled in the medicinal solution container 110 included in the medicinal solution administration device 100 by a pressing action by a pusher 130 described later (for example, several minutes to several minutes). Can be continuously administered in vivo over a period of time). In addition, the chemical solution administration system 1 may intermittently administer the chemical solution in the living body.

(Medical solution administration device)
As shown in FIGS. 3, 4, and 5, the medicinal solution administration device 100 includes a medicinal solution container 110 including a cylindrical (barrel type) main body 111 filled with a medicinal solution, and a housing 120 that holds the medicinal solution container 110. A pusher 130 that pushes out the chemical solution in the chemical solution container 110, a drive mechanism 140 that advances the pusher 130 toward the distal end side of the chemical solution container 110, a power supply unit 170 that supplies a drive current to the drive mechanism 140, and a power supply unit 170 And a magnet reed switch 150 for switching between a start state and a non-start state.

As shown in FIGS. 3 and 4, the housing 120 is housed in a box-shaped housing body 120a having a housing space 128 formed therein, and in the housing space 128 of the housing body 120a. And a chassis 127 that can be fixed.

As shown in FIG. 3, a window portion 123 a is formed on the upper surface 123 of the housing main body portion 120 a so that the inside of the accommodation space 128 can be visually recognized from the outside of the housing 120. The window portion 123a is formed by providing a transparent or translucent portion in a part of the housing main body portion 120a.

As shown in FIG. 4, on the distal end side in the longitudinal direction (X direction) of the housing main body 120a, a distal end opening (corresponding to an “opening”) for projecting the distal end 112 of the drug solution container 110 to the outside of the housing 120. 129 is formed.

A base end opening (not shown) for inserting the chassis 127 into the housing space 128 of the housing main body 120a is formed on the base end side in the longitudinal direction of the housing main body 120a. The base end opening of the housing main body 120a is closed by the lid member 127a in a state where the chassis 127 is accommodated in the accommodation space 128 (see FIG. 4). When the chassis 127 is accommodated in the accommodating space 128, the substrate support part 125, the drive mechanism 140, the magnet reed switch 150, the control part 160, and the power supply part 170 held in the chassis 127 are accommodated in the accommodating space 128. The

As shown in FIG. 4, a seal member 180 for preventing liquid from flowing into the housing 120 from the front end opening 129 is disposed on the inner wall located near the front end opening 129 in the housing space 128 of the housing main body 120a. is doing. The seal member 180 can be configured by, for example, a known elastic member (O-ring or the like) having a sealing property for preventing the inflow of fluid. However, the specific shape and constituent material of the seal member 180 are not particularly limited.

The bottom surface 121 of the housing main body 120a is provided with a sheet-like sticking portion (not shown) that can be stuck to the body surface H of the user. In an initial state before the chemical liquid administration device 100 is attached to the user, a peelable protective sheet is attached to the sticking surface of the sticking part.

As shown in FIG. 4, the chassis 127 includes a chemical solution container 110, a substrate support unit 125, a pusher 130, a drive mechanism 140, a magnet reed switch 150, a control unit 160, and a power supply unit 170. Is retained.

As shown in FIG. 4, the main body 131 of the pusher 130 is inserted into the lumen 111 a of the main body 111 of the chemical solution container 110. A gasket 135 is disposed at the tip of the main body 131 of the pusher 130. The gasket 135 can be made of, for example, a resin material such as a rubber material or an elastomer. The gasket 135 seals the proximal end side of the gasket 135 in a liquid-tight manner by causing the outer peripheral portion of the gasket 135 to be in liquid-tight contact with the inner peripheral surface of the main body 111 of the chemical solution container 110.

The chemical solution container 110 is a so-called prefilled type chemical solution container. Therefore, the chemical liquid is filled in the lumen 111a of the main body 111 of the chemical liquid container 110 in advance. Examples of the chemical solution include protein preparations, narcotic analgesics, diuretics and the like.

A sealing member (not shown) for preventing the chemical liquid from leaking is disposed at the distal end opening (discharge port) of the chemical liquid container 110. The distal end 112 of the chemical solution container 110 is disposed so as to protrude outward from the distal end opening 129 formed in the housing main body 120a. In addition, a mounting portion 115 that is connected to a tube 240 (see FIG. 1), which will be described later, is attached to a portion of the chemical liquid container 110 that protrudes from the housing main body 120a.

The control unit 160 controls the liquid feeding operation of the liquid medicine administration device 100. The control unit 160 can be configured by, for example, a known microcomputer (electronic circuit element) on which a CPU, RAM, ROM, and the like are mounted.

The magnet reed switch 150 switches between a start-up state and a non-start-up state of the power supply unit 170. As shown in FIG. 5, the magnet reed switch 150 includes a switch body 151 and a fixing portion 152 that fixes the switch body 151 to the substrate support portion 125.

Switching between the energized state and the non-energized state of the magnet reed switch 150 is performed using a switching magnet 300 (see FIGS. 7 and 8) described later. The magnet reed switch 150 is electrically connected to the power supply unit 170. When the magnet reed switch 150 is switched to the energized state, the power supply unit 170 is switched to the activated state (ON state in which the drive current can be supplied). Further, when the magnet reed switch 150 is switched to a non-energized state, the power supply unit 170 is switched to a non-starting state (an OFF state in which drive current cannot be supplied).

As shown in FIGS. 4 and 6, the control unit 160 and the magnet reed switch 150 are disposed on the substrate support unit 125. The control unit 160 is arranged on the upper surface side (the upper surface 123 side of the housing 120) of the substrate support portion 125 shown in FIG. The magnet reed switch 150 is disposed on the back surface side (the bottom surface 121 side of the housing 120) of the substrate support portion 125 shown in FIG.

By disposing the magnet reed switch 150 on the substrate support portion 125 as described above, the housing main body portion can be operated from the outside so that the switches for switching between the activated state and the non-activated state of the power supply unit 170 can be operated. There is no need to dispose 120a or the like. Therefore, it is possible to prevent the waterproof property of the housing 120 from being lowered, and it is possible to suppress an increase in the size of the housing 120 associated with providing the housing 120 with a structure for maintaining the waterproof property.

In addition, the attachment method, arrangement | positioning, etc. with respect to the board | substrate support part 125 of the control part 160 and the magnet reed switch 150 are not specifically limited.

As the magnet reed switch 150, a known one configured to be switched between an energized state and a non-energized state by magnetism (magnetic force) can be used. The specific structure, shape, material, etc. of the magnet reed switch 150 are not particularly limited.

The power supply unit 170 can be composed of, for example, a known battery.

As shown in FIG. 4, the drive mechanism 140 includes a motor 141 that receives a drive current from the power supply unit 170 to generate a rotational drive force, a speed reduction mechanism 143 that includes a gear that transmits the rotational drive force of the motor 141, and the like. A feed screw 147 connected to the speed reduction mechanism 143.

The feed screw 147 is connected to a proximal end connection portion 133 disposed near the proximal end of the pusher 130. The feed screw 147 converts the rotational motion transmitted from the speed reduction mechanism 143 into a linear motion, and advances the pusher 130 in the longitudinal direction (X direction). The pusher 130 advances toward the distal end side of the chemical liquid container 110 to push out the chemical liquid from the lumen 111a of the main body 111 of the chemical liquid container 110 to the tube 240 (see FIG. 1).

(Medical solution administration set)
As shown in FIGS. 7 and 8, the drug solution administration set 10 includes a drug solution administration device 100, a switching magnet 300 that switches between an energized state and a non-energized state of a magnet reed switch 150 included in the drug solution administration device 100, and a drug solution administration device. 100 and a holding member 400 that holds the switching magnet 300.

The holding member 400 is used when taking out the medicinal solution administration device 100 from the first accommodation groove 401 in which the medicinal solution administration device 100 is accommodated, the second accommodation groove 402 in which the switching magnet 300 is accommodated, and the first accommodation groove 401. And a spacer 410 that holds the position of the drug solution administration device 100 in the first accommodation groove 401.

In the drug solution administration set 10, a film or a lid is attached to the take-out port 405 of the holding member 400 in a state where the drug solution administration device 100 and the switching magnet 300 are accommodated in the holding member 400. The medicinal solution administration set 10 is stored or transported in the packaged state as described above. When using the drug solution administration device 100, the user can take out the drug solution administration device 100 and the switching magnet 300 from the holding member 400 by removing the film and the lid.

The magnet reed switch 150 according to the present embodiment is set to be in a non-energized state when the switching magnet 300 is relatively close to a predetermined distance. The magnet reed switch 150 is configured to be in an energized state when the switching magnet is relatively separated to a predetermined distance. The switching magnet 300 has a specific structure, shape, material, etc., as long as it can switch between the energized state and the non-energized state of the magnet reed switch 150 by applying a magnetic force to the magnet reed switch 150. Not.

The holding member 400 holds the drug solution administration device 100 and the switching magnet 300 so that the magnet reed switch 150 is in a non-energized state. Therefore, as shown in FIG. 7, a predetermined distance is provided between the magnet reed switch 150 and the switching magnet 300 in a state where the drug solution administration device 100 and the switching magnet 300 are held by the holding member 400. . In addition, the specific dimension of said "predetermined distance" provided in order to maintain the magnet reed switch 150 in a non-energized state is not specifically limited.

The holding member 400 is provided with the medicinal solution administration device 100 in order to more reliably maintain the non-energized state of the magnet reed switch 150 in a state where the medicinal solution administration device 100 and the switching magnet 300 are held. The first housing groove 401 and the second housing groove 402 in which the switching magnet 300 is disposed are formed at close positions.

The drug solution administration device 100 can be disposed, for example, so that the upper surface 123 side of the housing 120 faces the second housing groove 402 side where the switching magnet 300 is disposed. However, in the medicinal solution administration device 100, the switching magnet 300 is arranged on the bottom surface 121 side of the housing 120 provided with the magnet reed switch 150 in order to bring the medicinal solution administration device 100 and the switching magnet 300 close to each other in the holding member 400. You may arrange | position so that it may face the 2nd accommodation groove | channel 402 side.

When using the medicinal solution administration device 100, the user takes out the medicinal solution administration device 100 from the holding member 400 and separates the magnet reed switch 150 from the switching magnet 300 as shown in FIG. By performing such an operation, the user can switch the magnet reed switch 150 to the energized state. When the magnet reed switch 150 is switched to the energized state, the power supply unit 170 is switched to the activated state.

As described above, in the medicinal solution administration set 10, the magnet reed switch 150 is not switched to the energized state unless the user performs an operation of taking out the medicinal solution administration device 100 from the holding member 400. Therefore, it is possible to suitably prevent the power supply unit 170 from unintentionally switching to the activated state due to the magnet reed switch 150 being carelessly separated from the switching magnet 300 or the like.

(Administration device)
As shown in FIGS. 1 and 2, the administration device 200 is configured to be connectable to the drug solution administration device 100.

The administration device 200 includes a connector 210, a needle tube 220 that is punctured into a living body, a puncture portion (cannula housing) 230, a tube 240, and a puncture assisting tool 250 that assists the puncture of the needle tube 220 into the living body. ing.

The connector 210 is configured to be connectable to the drug solution administration device 100 via a mounting portion 215 fixed to the connector 210. The mounting portion 215 can be connected to the drug solution administration device 100 by being externally fitted to a mounting portion 115 (see FIG. 4) provided near the tip 112 of the drug solution container 110 protruding outside the housing 120.

In the mounting portion 215, a connecting needle portion (not shown) that can pierce a sealing member (not shown) arranged at the distal end portion of the chemical solution container 110 is disposed. The tube 240 communicates with the lumen 111a of the main body 111 of the drug solution container 110 via a connecting needle.

Inside the puncture unit 230, a flow path (not shown) that connects the lumen of the tube 240 and the needle tube 220 is formed. The drug solution sent to the puncture unit 230 via the tube 240 is administered into the living body through the flow path formed in the puncture unit 230 and the needle tube 220.

A puncture assisting tool 250 is attached to the puncture unit 230 when liquid medicine is supplied to the user. The puncture assisting tool 250 holds an introduction needle (inner needle) 251. The introduction needle 251 protrudes from the distal end of the needle tube 220 in a state where the puncture assisting tool 250 is attached to the puncture unit 230. The user can insert the needle tube 220 into the living body while preventing the needle tube 220 from being bent by puncturing the living body with the introduction tube 251 inserted into the needle tube 220. Become.

The puncture assisting tool 250 is removed from the puncture unit 230 after puncturing the living body with the needle tube 220. The introduction needle 251 is removed from the lumen of the needle tube 220 when the puncture assisting tool 250 is removed from the puncture portion 230.

After the needle tube 220 is punctured into the living body, the puncture assisting tool 250 is removed, and the puncture unit 230 is left on the body surface H of the user while the needle tube 220 is left in the living body. In this state, when the pusher 130 of the drug solution administration device 100 moves forward in the drug solution container 110, the drug solution filled in the drug solution container 110 passes through the tube 240 and the flow path of the puncture unit 230 and the lumen of the needle tube 220. The liquid is sent to.

The introduction needle 251 can be composed of a metal needle, for example. Further, the needle tube 220 can be constituted by, for example, a resin tubular member (cannula).

The administration device 200 is configured as a patch type that is used by being affixed to the body surface H of the user in the same manner as the drug solution administration device 100. The contact surface (bottom surface) 231 of the puncture unit 230 of the administration device 200 is provided with a sheet-like attachment portion (not shown) that can be attached to the body surface. In an initial state before the administration device 200 is attached to the user, a peelable protective sheet is attached to the sticking surface of the sticking part.

The connection between the drug solution administration device 100 and the administration device 200 can be performed, for example, after the magnet reed switch 150 is switched to an energized state. After the magnet reed switch 150 is switched to the energized state, the control unit 160 can perform operation control so that the pusher 130 starts to advance after a certain time has elapsed.

As described above, the drug solution administration device 100 according to the present embodiment includes the drug solution container 110 filled with the drug solution, the housing 120 that holds the drug solution container 110, the pusher 130 that pushes the drug solution in the drug solution container 110, and A drive mechanism 140 that is housed in the housing 120 and advances the pusher 130 toward the distal end side of the chemical solution container 110, a power supply unit 170 that is housed in the housing 120 and supplies a drive current to the drive mechanism 140, and is housed in the housing 120. A chemical liquid administration device 100 including a magnet reed switch 150 that switches between a start-up state and a non-start-up state of the power supply unit 170, and a switching magnet 300 that can switch between the energized state and the non-energized state of the magnet reed switch 150. ing.

In the medicinal solution administration set 10, since the magnetic reed switch 150 is housed in the housing 120, the switches for switching the activated state and the non-activated state of the power supply unit 170 can be pressed from the outside. There is no need to arrange the main body 120a or the like. Therefore, it is possible to prevent the waterproof property of the housing 120 from being lowered, and it is possible to suppress an increase in the size of the housing 120 associated with providing the housing 120 with a structure for maintaining the waterproof property. Moreover, since the chemical solution administration set 10 employs the magnet reed switch 150, the power consumption in the standby state of the chemical solution administration device 100 can be effectively suppressed.

Further, the drug solution administration set 10 has a holding member 400 that holds the drug solution administration device 100 and the switching magnet 300. The magnet reed switch 150 is configured to be in a non-energized state when the switching magnet 300 is relatively close to a predetermined distance, and to be in an energized state when the switching magnet 300 is relatively separated to a predetermined distance. Has been. The medicinal solution administration device 100 and the switching magnet 300 are held by the holding member 400 so that the magnet reed switch 150 is in a non-energized state. In the drug solution administration set 10 configured as described above, the magnet reed switch 150 is not switched to the energized state unless the user performs an operation of taking out the drug solution administration device 100 or the switching magnet 300 from the holding member 400. Therefore, it is possible to suitably prevent the power supply unit 170 from unintentionally switching to the activated state due to the magnet reed switch 150 being carelessly separated from the switching magnet 300 or the like.

Further, in the medicinal solution administration set 10, the housing 120 includes a front end opening 129 that protrudes the front end 112 of the medicinal liquid container 110 to the outside of the housing, and a seal member 180 that prevents inflow of liquid from the front end opening 129 into the housing 120. And have. Therefore, the medicinal solution administration set 10 can prevent the inflow of liquid from the tip opening 129 formed in the housing 120. The housing 120 can suitably maintain waterproofness.

<Modification>
Next, a chemical solution administration set 10A according to a modification will be described. The same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted. In addition, configurations that are not particularly mentioned in the modified example can be configured substantially the same as those of the above-described embodiment.

9 and 10 are diagrams showing a chemical solution administration set 10A according to a modified example.

In the drug administration set 10 according to the above-described embodiment, when the switching magnet 300 is relatively close to the magnet reed switch 150 to a predetermined distance, the magnet reed switch 150 is in a non-energized state. Further, when the switching magnet 300 is relatively separated from the magnet reed switch 150 to a predetermined distance, the magnet reed switch 150 is energized.

On the other hand, in the medicinal solution administration set 10A according to the modification, when the switching magnet 300A is relatively close to the magnet reed switch 150A to a predetermined distance, the magnet reed switch 150A is energized. Further, when the switching magnet 300A is relatively separated from the magnet reed switch 150A up to a predetermined distance, the magnet reed switch 150A is in a non-energized state.

The holding member 400A included in the medicinal solution administration set 10A includes a first accommodating groove 401 in which the medicinal solution administration device 100A is accommodated, a second accommodating groove 402 in which the switching magnet 300A is accommodated, and the first accommodating groove 401. And a finger hooking unit 403 for putting a finger of a user or the like when taking out 100.

The holding member 400A holds the drug solution administration device 100A and the switching magnet 300A so that the magnet reed switch 150A is in a non-energized state. Therefore, as shown in FIG. 9, in a state where the drug solution administration device 100A and the switching magnet 300A are held by the holding member 400A, a predetermined distance is provided between the magnet reed switch 150A and the switching magnet 300A. In addition, the specific dimension of said "predetermined distance" provided in order to maintain magnet reed switch 150A in a non-energized state is not specifically limited.

The holding member 400A is provided with the medicinal solution administration device 100A in order to more reliably maintain the non-energized state of the magnet reed switch 150A in a state where the medicinal solution administration device 100A and the switching magnet 300A are held. The first housing groove 401 and the second housing groove 402 in which the switching magnet 300A is disposed are formed at positions separated from each other.

Further, in order to place the drug solution administration device 100A and the switching magnet 300A apart from each other in the holding member 400A, the drug solution administration device 100A is, for example, a second in which the switching magnet 300A is arranged on the upper surface 123 side of the housing 120. It can arrange | position so that the accommodation groove | channel 402 side and the opposite side (extraction port 405 side of the holding member 400A) may face.

When using the drug solution administration device 100A, the user takes out at least one of the drug solution administration device 100 and the switching magnet 300A from the holding member 400A. Then, the user switches the magnetic reed switch 150A to the energized state by bringing the drug solution administration device 100A and the switching magnet 300A closer to each other. When the magnet reed switch 150A is switched to the energized state, the power supply unit 170 is switched to the activated state.

In the drug solution administration set 10A according to the modified example as described above, the user performs the work of taking out at least one of the drug solution administration device 100A and the switching magnet 300A from the holding member 400A, and then performs the drug solution administration device 100A and the switching magnet. The magnet reed switch 150A will not be switched to the energized state unless an operation that actively brings 300A close is performed. Therefore, it is possible to suitably prevent the switching magnet 300A from inadvertently approaching the magnet reed switch 150A and the power supply unit 170 unintentionally switching to the activated state.

As mentioned above, although the chemical | medical solution administration set which concerns on this invention was demonstrated through embodiment and a modification, this invention is not limited only to each structure demonstrated, It can change suitably based on description of a claim. Is possible.

For example, the shape of the holding member is not limited to the shape illustrated by the drawing. For example, the holding member may be provided with a structure (groove portion or the like) for moving the switching magnet close to or away from the drug solution administration device in a state where the drug solution administration device and the switching magnet are held on the holding member. is there. Further, the housing may be configured such that each component member is fixed or held on the housing main body without including the chassis.

Further, the material, shape, size, arrangement, and connection / connection structure of the members constituting the drug solution administration set are not particularly limited as long as the effect of the present invention is exhibited, and arbitrarily Changes and substitutions are possible. In addition, it is possible to appropriately add arbitrary components or the like not specifically described in the specification to the chemical solution administration set.

This application is based on Japanese Patent Application No. 2018-0667457 filed on Mar. 30, 2018, the disclosure content of which is incorporated by reference in its entirety.

1 chemical solution administration system,
10, 10A chemical solution administration set,
100, 100A chemical solution administration device,
110 chemical container,
120 housing,
120a housing body,
125 substrate support,
127 chassis,
128 containment space,
129 The front end opening (opening) of the housing,
130 Pusher,
140 drive mechanism,
150, 150A magnet reed switch,
151 switch body,
152 fixing part,
160 control unit,
170 power supply,
180 sealing member,
200 administration device,
300, 300A switching magnet,
400, 400A holding member,
401 first receiving groove,
402 second receiving groove,
H Body surface.

Claims

A chemical container filled with the chemical,
A housing for holding the chemical solution container;
A pusher for pushing out the chemical solution in the chemical solution container;
A drive mechanism that is housed in the housing and advances the pusher toward the distal end side of the chemical liquid container;
A power supply unit housed in the housing and supplying a drive current to the drive mechanism;
A medicinal-solution administration device comprising: a magnetic reed switch that is housed in the housing and switches between a start-up state and a non-start-up state of the power supply unit;
A drug administration set comprising: a switching magnet capable of switching between an energized state and a non-energized state of the magnet reed switch.
A holding member that holds the drug solution administration device and the switching magnet;
The magnet reed switch is in the non-energized state when the switching magnet is relatively close to a predetermined distance, and is in the energized state when the switching magnet is relatively separated to a predetermined distance. Is composed of
The medicinal-solution administration set according to claim 1, wherein the medicinal-solution administration device and the switching magnet are held by the holding member so that the magnet reed switch is in the non-energized state.
A holding member that holds the drug solution administration device and the switching magnet;
The magnet reed switch is in the energized state when the switching magnet is relatively close to a predetermined distance, and is in the non-energized state when the switching magnet is relatively separated to a predetermined distance. Is composed of
The medicinal-solution administration set according to claim 1, wherein the medicinal-solution administration device and the switching magnet are held by the holding member so that the magnet reed switch is in the non-energized state.
The housing has an opening for projecting the tip of the chemical container out of the housing;
The medicinal solution administration set according to any one of claims 1 to 3, further comprising: a seal member that prevents inflow of liquid from the opening into the housing.