WO2014068942A1 - Drug storage cassette and drug delivery device for mounting same - Google Patents

Abstract

This drug storage cassette is loaded into a cassette insertion port of a drug delivery device, and is provided with an extraction operation part, a cassette main body, an urging body, an extraction detection part, and an urging restricting part. The extraction operation part performs an operation of extracting from the cassette insertion port. The cassette main body stores a plurality of drugs in the inside thereof, a drug discharge mechanism is provided on a first-end side thereof in the longitudinal direction, and the extraction operation part is provided on a second-end side opposite the first end side. The urging body urges the drugs stored in the cassette main body toward the drug discharge mechanism. The extraction detection part detects a state in which the cassette main body has been extracted toward the extraction operation part. The urging restricting part restricts urging of the drugs by the urging body when a state in which the cassette main body has been extracted is detected in the extraction detection part.

Description

Drug storage cassette and drug dispensing device for mounting it

The present invention relates to, for example, a medicine storage cassette loaded in a medicine dispensing device for improving the efficiency of hospital operations and a medicine dispensing device loaded with the same.

A conventional medicine storage cassette includes a cassette body having a medicine discharge mechanism on the first end side in the longitudinal direction and a drawer operation section on the second end side opposite to the medicine main body, and a medicine stored in the cassette body in the cassette body. An urging body for urging the medicine dispensing mechanism side and a lid attached to the cassette body were provided (for example, Patent Document 1 below).

International Publication No. 2004/034955

The conventional medicine storage cassette is used in a state where it is attached to the cassette attachment port of the medicine dispensing device. That is, the medicine stored in the cassette body is urged toward the medicine dispensing device by the urging body. For this reason, the medicine in the cassette body can be sequentially delivered to the medicine dispensing apparatus side by operating the medicine dispensing mechanism by the dispensing operation unit of the medicine dispensing apparatus.
In addition, for replenishing the medicine into the medicine storage cassette, the cassette body is pulled out from the cassette loading port of the medicine dispensing device, and then the lid covering the upper surface of the cassette body is opened. At this time, the operation of opening the lid releases the urging of the medicine to the medicine dispensing mechanism by the urging body.
In this state, by closing the lid after filling the cassette body with the medicine, the urging of the medicine toward the medicine dispensing mechanism by the urging body is resumed.
In other words, the replenishment of the medicine into the cassette body is simple with the cassette body pulled out from the cassette mounting opening and then the lid being opened to release the urging force of the medicine to the medicine dispensing mechanism side. Can be done.

However, in such a configuration, the urging of the medicine toward the medicine dispensing mechanism by the urging body is resumed only by attaching the lid. Therefore, when the medicine storage cassette is moved to the cassette loading slot of the drug dispensing device or when the medicine storage cassette is loaded in the cassette loading slot, the drug dispensing mechanism side is touched by mistake. If an operation such as a drug is performed, the drug may be unintentionally discharged from the drug dispensing mechanism side.
Therefore, an object of the present invention is to provide a medicine storage cassette that can prevent unintentional discharge of medicine in a state where it is taken out from a cassette insertion port of a medicine dispensing device.

(Means for solving the problem)
And in order to achieve said objective, the chemical | medical agent storage cassette of this invention is a chemical | medical agent storage cassette loaded in the cassette insertion port of a chemical | drug | medicine delivery apparatus, Comprising: A drawer | drawing-out operation part, a cassette main body, a biasing body, , A drawer detection unit, and an urging regulation unit. The drawer operation unit performs an operation of pulling out from the cassette insertion slot. The cassette body is provided with a medicine discharge mechanism on the first end side in the longitudinal direction and a drawer operation section on the second end side opposite thereto, and stores a plurality of medicines therein. The urging body urges the medicine stored in the cassette body toward the medicine discharge mechanism. The drawer detection unit detects a state in which the cassette body is pulled out to the drawer operation unit side. An urging | biasing control part controls the urging | biasing to the chemical | medical agent by an urging body, when the state which the cassette main body was pulled out is detected in the extraction | drawer detection part.

(The invention's effect)
As described above, according to the medicine storage cassette of the present invention, the urging of the medicine to the medicine dispensing mechanism by the urging body can be regulated by the stopper mechanism only by pulling out the cassette body to the drawing operation unit side. . Therefore, even when a part of the cassette body is pulled out from the cassette loading port of the drug dispensing device or when the cassette body is completely pulled out from the cassette loading port, the urging body biases the drug toward the drug dispensing mechanism. Can be regulated. As a result, in the state where the cassette main body is pulled out from the cassette loading port of the medicine dispensing device, even if the part on the medicine dispensing mechanism side is mistakenly operated, it is possible to prevent the medicine from being discharged without intention. it can.

The perspective view which shows the chemical | medical agent delivery apparatus with which the chemical | medical agent storage cassette which concerns on one Embodiment of this invention was loaded. The perspective view which shows the state by which the front door of the chemical | medical agent dispensing apparatus of FIG. 1 was open | released. FIG. 2 is a cross-sectional view taken along line AA in FIG. 1. The enlarged view of the B section of FIG. The figure which shows the state which pulled out a part of chemical | medical agent storage cassette from the cassette mounting opening of the chemical | medical agent dispensing apparatus of FIG. The perspective view of the chemical | medical agent storage cassette of FIG. The perspective view which shows the state which open | released the opening-and-closing lid | cover of the chemical | medical agent storage cassette of FIG. The disassembled perspective view which shows the principal part of the chemical | medical agent storage cassette of FIG. The perspective view which shows the principal part of the chemical | medical agent storage cassette of FIG. The top view which shows the principal part of the chemical | medical agent storage cassette of FIG. The perspective view which shows the principal part of the chemical | medical agent storage cassette of FIG. The top view which shows the principal part of the chemical | medical agent storage cassette of FIG. The perspective view which shows the principal part of the chemical | medical agent storage cassette of FIG. The top view which shows the principal part by the side of the bottom face of the chemical | medical agent storage cassette of FIG. Sectional drawing which shows the state which pulled out the chemical | medical agent storage cassette of FIG. 5 from the chemical | medical agent dispensing apparatus. The perspective view which shows the state which mounted | wore the chemical | medical agent dispensing apparatus of the chemical | medical agent storage cassette of FIG. Sectional drawing which shows the state with which the chemical | medical agent storage cassette of FIG. Sectional drawing seen from the front side in the state with which the chemical | medical agent storage cassette of FIG. 5 was mounted | worn with the chemical | medical agent dispensing apparatus. The perspective view which shows the structure of the urging | biasing control part of the chemical | medical agent storage cassette of FIG.

(Embodiment 1)
Embodiment 1 of the present invention will be described below in detail with reference to the drawings.
(Configuration of drug dispensing device)
As shown in FIGS. 1 to 3, the medicine dispensing device according to the present embodiment includes a main body case 1, a front door 2 that covers the front surface thereof, a cassette mounting port 3 (see FIG. 2), a medicine storage cassette 4, Storage units 6 and 7 for storing the tray 5 for transporting the medicine, and an extraction head 8 (see FIG. 3) are provided. Then, as shown in FIG. 2, the medicine dispensing device is provided such that when the front door 2 is opened, a plurality of cassette mounting ports 3 are exposed to the outside. Each of the cassette mounting ports 3 is loaded with a medicine storage cassette 4.

In the medicine dispensing device, the left side of the main body case 1 has a storage unit 6 for storing an empty tray 5 (see FIG. 3) for dispensing the medicine, and the right side of the main body case 1 has the discharged medicine. Storage units 7 for storing the stored trays 5 are provided.
That is, as shown in FIG. 3, the tray 5 stored in the storage unit 6 is transferred to the lower part of the cassette mounting port 3, and after the medicine stored in the medicine storage cassette 4 is loaded, As shown in FIG.

Specifically, the tray 5 waits once in a state where it is transferred to the lower part of the cassette loading port 3. In this state, the take-out head 8 moves to the back side of the medicine storage cassette 4 storing the medicine designated by the prescription, and operates the take-out lever 9 of the medicine storage cassette 4. When the take-out lever 9 is pushed downward by the take-out head 8, the medicine taken out from the medicine storage cassette 4 is put into the tray 5 while rolling.

FIG. 4 is a drawing for explaining the medicine taking-out operation by the taking-out head 8. Since this operation is a well-known configuration, it will be briefly described here in order to avoid complicated description.
That is, when the take-out lever 9 of the medicine storage cassette 4 is operated by the operation unit 12 of the take-out head 8, the medicine 10 is taken out from the medicine storage cassette 4 and stored in the storage pocket 11 while rolling by its own weight. .

Then, as shown in FIG. 3, the medicine 10 stored in the storage pocket 11 is put into the tray 5 from the storage pocket 11 after the tray 5 has moved to a predetermined position of the medicine dispensing device.
Further, as shown in FIG. 2, the medicine storage cassette 4 of the present embodiment can be inserted into or pulled out from the cassette mounting port 3 of the medicine dispensing device.
FIG. 5 shows a state in which about 80% of the medicine storage cassette 4 in the longitudinal direction is pulled out from the cassette mounting opening 3 and the opening / closing lid 14a is opened in order to replenish the medicine storage cassette 4 with the medicine 10. ing.

(Drug storage cassette 4)
As shown in FIGS. 6 to 13, the medicine storage cassette 4 of the present embodiment includes an extraction lever 9, a drawer operation unit 13, a cassette body 14, a biasing body 15 (see FIG. 7), and a spring mechanism 17. (Refer FIG. 8), the urging | biasing control part 23 (refer FIG. 11), and the chemical | medical agent residual amount confirmation part 30 (refer FIG. 13) are provided.

(Eject lever 9)
When the take-out lever 9 is operated by the take-out head 8 of the medicine dispensing device described above, the take-out lever 9 rotates downward to form a discharge space, thereby discharging the medicines 10 stored in the cassette body 14 one by one.
(Drawer operation unit 13)
The withdrawal operation unit 13 is a handle-like member attached to the end surface on the second end side of the cassette main body 14, and when the medicine storage cassette 4 is pulled out from the cassette attachment port 3 of the medicine dispensing device, the drawer operation unit 13 is connected to the cassette attachment port 3. Used when the medicine storage cassette 4 is loaded.

(Cassette body 14)
The cassette body 14 is a rectangular box-shaped member having an open top surface, and has an open / close lid 14a (see FIG. 6) that covers an open portion on the top surface. The cassette body 14 is provided with a take-out lever 9 constituting a medicine discharge mechanism on the first end side in the longitudinal direction and a pull-out operation section 13 on the opposite second end side.

The opening / closing lid 14 a is pivotally supported via a rotation shaft (not shown) provided at the end of the cassette body 14 in the short direction, and is opened and closed when the medicine 10 is added to the medicine storage cassette 4. As a result, the upper surface of the cassette body 14 is opened.
As described above, the take-out lever 9 is operated by the take-out head 8 of the medicine dispensing device, thereby discharging the medicine in the medicine storage cassette 4 one by one.

(Biasing body 15)
As shown in FIG. 7, the urging body 15 is a resin member that moves the medicine 10 in the discharge direction in the medicine storage cassette 4, and is a rail 20 ( (See FIG. 8). The urging body 15 has an abutment body 15 a that abuts the side of the medicine 10 stored in the cassette body 14 on the side of the withdrawal operation unit 13.

As shown in FIG. 7, the contact body 15 a removes the medicine 10 stored in the cassette body 14 from the withdrawal operation unit 13 side to the cassette body 14 discharge side (medicine dispensing mechanism side (extraction lever 9). To the side)).
Further, as shown in FIGS. 9 and 10, the urging body 15 is formed integrally with a take-up reel 18 described later. The take-up reel 18 will be described in detail later.

(Spring mechanism 17)
As shown in FIG. 8, the spring mechanism 17 is provided along the side wall of the cassette body 14 in order to urge the urging body 15 (abutment body 15 a) toward the medicine dispensing mechanism side (extraction lever 9 side). And a take-up reel 18, a belt-like spring 19, and a rail 20.
The take-up reel 18 is provided in an integrated state with a biasing body 15 that moves in the longitudinal direction in the cassette body 14 in order to take up the belt-like spring 19. Thus, the take-up reel 18 moves in the longitudinal direction together with the urging body 15 in the cassette body 14 by taking up the belt-like spring 19.

The belt-like spring 19 is a non-stretchable belt-like member made of stainless steel, and has a first end fixed to the take-up reel 18 and an opposite second end along the side wall in the cassette body 14. It is extended and fixed near the take-out lever 9. For this reason, a force in a direction in which the belt-shaped spring 19 is always wound around the winding reel 18 acts.
As a result, the urging body 15 is urged along the rail 20 toward the medicine dispensing mechanism side (the take-out lever 9 side) of the cassette body 14.

The rail 20 is a plate member made of stainless steel that is fixed to the end portion in the short direction in the cassette body 14, and as described above, at the end portion on the drug dispensing mechanism side (extraction lever 9 side), The second end of the belt-like spring 19 is fixed.
Thereby, compared with the case where a resin rail is used, the straightness of the urging body 15 can be ensured.
The rail 20 forms a part of the transport surface of the medicine 10 in the cassette body 14 and is provided so as to cover the upper end of the belt-like spring 19.

(Energization regulation part 23)
The urging restricting portion 23 (see FIGS. 11 to 17 and 19) is linked to the operation of pulling out the medicine storage cassette 4 loaded in the cassette loading port 3 to the drawing operation portion 13 side, and thereby the medicine by the urging body 15 is used. Restrict energization to 10. And the urging | biasing control part 23 is the ratchet gear 21, the ratchet nail | claw 23a (refer FIG. 19), the contact part 23b (refer FIG. 19), the main-body part 23c (refer FIG. 19), and the rotating shaft 23d (refer FIG. 19). 19).

The ratchet gear 21 is a mechanism for restricting the operation direction to one direction by meshing with a ratchet claw 23a (see FIGS. 12 and 13). Arranged as possible. As shown in FIGS. 10 to 13, the ratchet gear 21 has a first end of a belt-like spring 22 fixed thereto. The second end on the opposite side of the belt-like spring 22 is fixed to the biasing body 15. Furthermore, the ratchet gear 21 has a plurality of teeth that are evenly arranged so as to protrude radially outward from the outer peripheral surface.

Thus, the belt-like spring 22 receives a biasing force in a direction wound around the ratchet gear 21, but the biasing force of the belt-like spring 22 is much smaller than the biasing force of the belt-like spring 19. That is, the belt-like spring 22 is provided to connect the urging body 15 and the ratchet gear 21 and to configure a medicine remaining amount confirmation unit 30 described later. Therefore, when the ratchet gear 21 is free, the urging body 15 is urged toward the medicine dispensing mechanism side (extraction lever 9 side) by the urging force of the belt-like spring 19.

The belt-like spring 22 is a non-stretchable belt-like member made of the same material as the belt-like spring 19 and is designed to have a smaller urging force than the belt-like spring 19 as described above. . In addition, the belt-like spring 22 functions as a medicine remaining amount confirmation unit 30 (see FIG. 13), which will be described later, and a display such as numerals and color coding is attached to the belt-like surface.
The ratchet claw 23a is a claw-like portion projecting downward toward the ratchet gear 21, as shown in FIGS. 11 to 13, and pivots in the vertical direction toward the drawer operation unit 13 in the cassette body 14. It is provided in a possible state.

Specifically, a ratchet claw 23 a is disposed close to the cassette body 14 above the ratchet gear 21.
Therefore, the ratchet gear 21 can rotate freely in a state where the ratchet pawl 23a is lifted upward and is not engaged with the ratchet gear 21, as shown in FIG. Therefore, in this state, the belt-like spring 22 is stretched against the urging force of the belt-like spring 19. The urging body 15 is urged toward the medicine dispensing mechanism side (extraction lever 9 side) by the urging force of the belt-like spring 19.

Such a non-engagement state is realized in a state where the cassette body 14 is inserted into the cassette mounting opening 3 as shown in FIG. At this time, the medicine 10 is urged toward the medicine dispensing mechanism side (extraction lever 9 side) by the urging body 15, and the medicine 10 can be taken out.
On the other hand, FIG. 13 shows a meshing state of the ratchet gear 21 and the ratchet pawl 23a in a state where the cassette body 14 is partially pulled out from the cassette mounting port 3 (for example, the state shown in FIG. 15). Yes.

In such a meshing state, the urging body 15 is in a state in which application of the urging force that moves the medicine 10 to the discharge side is restricted by the urging restriction portion 23.
The contact portion 23b is formed to extend further downward than the ratchet gear 21 in the outer peripheral direction of the ratchet gear 21, and more specifically, as shown in FIG. However, it is in a state exposed to the bottom side.

Here, as shown in FIG. 18, two guide rails 25 for guiding the cassette body 14 in the loading direction are provided in parallel near the entrance / exit of the cassette mounting port 3 of the body case 1 of the medicine dispensing apparatus. .
Therefore, when the medicine storage cassette 4 is completely loaded in the cassette loading port 3 of the medicine dispensing device, the contact portion 23b contacts the guide rail 25 and rotates upward about the rotation shaft 23d. To do. At this time, the urging restricting portion 23 rotates together with the ratchet claw 23a and the main body portion 23c upward about the rotation shaft 23d. For this reason, the ratchet pawl 23a shifts from the meshing state with the ratchet gear 21 (see FIG. 13) to the non-meshing state (see FIG. 16).

As a result, in a state where the medicine storage cassette 4 is completely loaded in the cassette loading port 3 of the medicine dispensing device, the urging force unregulated state in which the ratchet gear 21 and the ratchet pawl 23a do not mesh can be achieved. Therefore, in this state, the urging force of the spring mechanism 17 is applied to the urging body 15, so that the medicine 10 can be discharged from the discharge side of the medicine storage cassette 4.

On the other hand, in a state where the medicine storage cassette 4 is partially pulled out from the cassette loading port 3 of the medicine dispensing device, the urging force regulation state in which the ratchet gear 21 and the ratchet claw 23a are engaged with each other is achieved. Therefore, in this state, the urging force of the spring mechanism 17 is not applied to the urging body 15, so that even if the discharge side of the medicine storage cassette 4 is operated by mistake, the medicine 10 is unintentionally discharged. Can be avoided.

(Drug remaining amount confirmation unit 30)
Furthermore, in the medicine storage cassette 4 of the present embodiment, the amount of medicine 10 remaining in the cassette body 14 can be easily obtained by the medicine remaining amount confirmation unit 30 in a state where the cassette body 14 is completely pushed into the cassette mounting opening 3. Can be confirmed.
Specifically, as shown in FIG. 13, the drug remaining amount confirmation unit 30 includes a confirmation window 26 and a belt-like spring 22.

The confirmation window 26 is formed so as to penetrate the end face of the cassette body 14 on the drawer operation portion 13 side, and is provided at a position facing the belt-like spring 22 of the ratchet gear 21 in the cassette body 14.
The belt-like spring 22 is wound around the rotation axis of the ratchet gear 21, and on the surface thereof, an indication for indicating how much medicine 10 remains in the cassette body 14 is given.

Here, the display applied to the belt-like spring 22 includes a display with numerals and color-coded parts.
Thereby, when the medicine 10 in the cassette body 14 decreases, the contact body 15a also moves to the medicine dispensing mechanism side (extraction lever 9 side) in the cassette body 14, so that the belt-like spring 22 is also drawn out long. Become. At this time, when the belt-like spring 22 is pulled out for a long time, it is possible to confirm the display of numbers, color coding, and the like at a position visible from the confirmation window 26. As a result, when the remaining amount of the medicine 10 is reduced, it is easy to confirm the display from the confirmation window 26 without pulling out the medicine storage cassette 4 from the cassette mounting opening 3 and opening the opening / closing lid 14a. The remaining amount can be recognized.

<Operation by Energizing Restriction Unit 23>
Here, the operation of the urging restriction unit 23 will be described in detail below.
FIG. 18 shows a cassette mounting port 3 into which two medicine storage cassettes 4 are loaded in the vertical direction. A cassette main body 14 is mounted in the upper cassette mounting port 3 shown in FIG. On the other hand, in the lower cassette mounting port 3 shown in FIG.

Each cassette mounting port 3 of the medicine dispensing device is provided with two guide rails arranged so as to extend from the opening toward the back.
The guide rail 25 smoothly guides back and forth when inserting and pulling out the medicine storage cassette 4 (cassette main body 14) in the cassette mounting opening 3. Further, in the present embodiment, the guide rail 25 functions as a contacted portion that is pushed up by being in contact with the contact portion 23 b of the biasing restriction portion 23 in a state where the medicine storage cassette 4 is loaded in the cassette mounting port 3.

In particular, in the present embodiment, as shown in FIG. 5, the front end portion of the guide rail 25 is disposed at a position that enters a predetermined distance from the opening of the cassette mounting port 3. On the other hand, as shown in FIG. 15, the urging restricting portion 23 (contact portion 23 b) that contacts the guide rail 25 is disposed closest to the drawer operation portion 13 in the cassette body 14 of the medicine storage cassette 4.
For this reason, the guide rail 25 makes a transition to a state where the medicine storage cassette 4 is pushed into the cassette mounting opening 3 to the end, and comes into contact with the biasing restricting portion 23 (contact portion 23b) for the first time.

As a result, the regulation by the urging regulation unit 23 can function until the medicine storage cassette 4 is pushed into the cassette mounting port 3 until it is completely loaded.
That is, in the state where the medicine storage cassette 4 is pulled out from the cassette mounting opening 3 as much as possible, as shown in FIGS. 14 and 15, the urging regulating portion 23 rotates downward with its own weight around the rotation shaft 23d. Thus, the contact portion 23b protrudes downward from the bottom surface of the cassette body 14.

At this time, since the medicine storage cassette 4 is pulled out from the cassette mounting port 3, the guide rail 25 does not exist in the space below the bottom surface of the cassette body 14. As a result, as shown in FIG. 13, the ratchet pawl 23 a of the urging restricting portion 23 rotates downward together with the main body portion 23 c (see FIG. 19) of the urging restricting portion 23 and engages with the ratchet gear 21. To do.
As described above, in the state where the medicine storage cassette 4 is pulled out from the cassette mounting port 3, the ratchet gear 21 and the ratchet claw 23 a mesh with each other, and the regulation by the biasing regulation unit 23 functions.

Thereby, since the rotation of the ratchet gear 21 is stopped by the ratchet pawl 23a, the urging force of the belt-like spring 22 that has been pulled out to the medicine dispensing mechanism side (the take-out lever 9 side) is stopped. . As a result, the urging body 15 is in a state where the medicine 10 cannot be urged toward the medicine dispensing mechanism side (extraction lever 9 side).
That is, in this embodiment, when the medicine 10 is replenished to the medicine storage cassette 4, first, as shown in FIG. The opening / closing lid 14a covering the upper surface of is opened. After that, as shown in FIG. 7, if the urging body 15 is manually pulled back to the drawing operation unit 13, the urging body 15 is held in the state shown in FIG. At this time, the belt-like spring 19 is in an extended state, and the belt-like spring 22 is in a wound state.

Next, after the medicine 10 is replenished in the cassette body 14, as shown in FIG. 6, the opening / closing lid 14 a is closed, and the medicine storage cassette 4 is pushed into the cassette mounting port 3 again.
Here, when the medicine storage cassette 4 is pushed into the cassette mounting opening 3 to the end, the medicine storage cassette 4 is completely loaded into the cassette insertion opening 3. In this state, the guide rail 25 provided in the cassette mounting opening 3 and the abutting portion 23b of the biasing restricting portion 23 come into contact with each other, and the abutting portion 23b rotates around the rotation shaft 23d. It is lifted up. As a result, as shown in FIG. 16, the engagement between the ratchet gear 21 and the ratchet pawl 23a is released, and the rotation restriction of the ratchet gear 21 is released.

As a result, the ratchet gear 21 can be freely rotated, and the belt-like spring 22 is pulled and stretched against the urging force of the belt-like spring 19. That is, the urging body 15 resumes urging the medicine 10 toward the medicine dispensing mechanism (take-out lever 9 side), and the operation of the take-out lever 9 by the take-out head 8 is added, so that the desired medicines 10 are one by one. To be paid out.
In the above embodiment, the urging body 15 has, for example, a guide shaft (not shown) extending downward in FIG. The guide shaft is engaged with a slit-shaped guide groove (not shown) provided at the bottom of the cassette body 14. That is, the urging body 15 moves along the guide groove of the cassette body 14 from the drawer operation section 13 side of the cassette body 14 to the medicine dispensing mechanism side (extraction lever 9 side). At this time, a biasing force by the belt-like spring 19 is applied.

As described above, in the medicine storage cassette 4 of the present embodiment, in conjunction with the operation of pulling out the front side with the drawer operation unit 13, the medicine dispensing mechanism side of the medicine 10 by the urging body 15 (the side of the take-out lever 9). ) Is provided with an urging restricting portion 23 that restricts or cancels the urging to).
Thereby, the urging | biasing control part 23 controls the urging | biasing to the chemical | medical agent delivery mechanism side (extraction lever 9 side) with respect to the chemical | medical agent 10 by the urging | biasing body 15 only by pulling out the chemical | medical agent storage cassette 4 to the drawer operation part 13 side. be able to.

In other words, in the present embodiment, except for the state in which the medicine storage cassette 4 is completely loaded in the cassette loading port 3 of the drug dispensing device, even if a part of the medicine storage cassette 4 is pulled out from the cassette loading port 3, the whole is completely removed. Even in the pulled-out state, it is possible to regulate the urging of the urging body 15 toward the medicine dispensing mechanism side (extraction lever 9 side) with respect to the medicine 10.
As a result, the medicine 10 is unintentionally discharged even if the medicine discharge mechanism side is mistakenly operated in a state where a part or all of the medicine storage cassette 4 is pulled out from the cassette mounting opening 3. Can be prevented.

(Other embodiments)
As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the summary of invention.

(A)
In the above embodiment, as an example of the drawer detection unit that detects that the medicine storage cassette 4 has been pulled out from the cassette mounting port 3, the contact part 23 b formed so as to be integrated with the urging regulation unit 23 is taken as an example. explained. However, the present invention is not limited to this.
For example, a sensor that electrically detects that the medicine storage cassette 4 has been pulled out or various sensors that detect the position of the medicine storage cassette 4 may be used as the drawer detection unit.
Even in this case, the same effect as that of the above-described embodiment can be obtained by causing the urging restriction portion to function electrically or mechanically based on the detection result in the drawer detection portion.

(B)
In the embodiment described above, an example in which a combination of the ratchet gear 21 and the ratchet claw 23a is used as the urging regulating unit that regulates the urging of the urging agent 15 to the medicine 10 has been described. However, the present invention is not limited to this.
For example, any other mechanism may be employed as long as it is a mechanism for restricting the urging of the drug by the urging body.

The medicine storage cassette according to the present invention has an effect that it is possible to prevent the medicine from being unintentionally discharged even when the medicine discharge side is mistakenly operated in the state of being pulled out from the medicine dispensing device. For this reason, it is expected to be widely used as a medicine storage cassette used in hospitals and the like and a medicine dispensing apparatus for mounting the medicine storage cassette.

DESCRIPTION OF SYMBOLS 1 Main body case 2 Front door 3 Cassette mounting opening 4 Drug storage cassette 5 Tray 6 Storage part 7 Storage part 8 Taking out head 9 Taking out lever 10 Drug 11 Storage pocket 12 Operation part 13 Draw-out operation part 14 Cassette main body 14a Opening / closing lid 15 Energizing body 15a Contact body 17 Spring mechanism (first spring mechanism)
18 Take-up reel 19 Strip spring 20 Rail 21 Ratchet gear 22 Strip spring (second spring mechanism, display)
23 Biasing restriction part 23a Ratchet claw 23b Contact part (drawing detection part)
23c Main body 23d Rotating shaft 25 Guide rail (contacted part)
26 Confirmation window 30 Remaining drug confirmation section

Claims (8)

A medicine storage cassette loaded in the cassette insertion port of the medicine dispensing device,
A drawer operation unit for performing an operation of pulling out from the cassette insertion slot;
A medicine discharge mechanism on the first end side in the longitudinal direction, the drawer operation section is provided on the opposite second end side, and a cassette body for storing a plurality of medicines therein,
A biasing body that biases the medicine stored in the cassette body toward the medicine discharge mechanism;
A drawer detection unit for detecting a state in which the cassette body is pulled out on the drawer operation unit side;
If the drawer detection unit detects a state in which the cassette body is pulled out, an urging regulation unit that regulates urging of the medicine by the urging body;
Drug storage cassette with The drawer detection unit has a contact part that contacts a contacted part provided in the vicinity of the cassette insertion port on the medicine dispensing device side,
When the contact portion comes into contact with the contacted portion, it moves in a predetermined direction to cause the biasing restriction portion to function.
The medicine storage cassette according to claim 1. The abutting portion can freely move in and out of the cassette body through an opening provided in the cassette body,
The drawer detection unit detects that the contact portion is attached to the cassette attachment port by contacting the contacted portion via the opening.
The medicine storage cassette according to claim 2. The biasing body has a first spring mechanism connected to a ratchet gear,
The urging restricting portion is configured by a combination of a ratchet pawl integrated with the drawer detecting portion and the ratchet gear that restricts the urging force of the urging body by meshing with the ratchet pawl.
The medicine storage cassette according to any one of claims 1 to 3. The urging restriction portion has a second spring mechanism that urges the urging portion toward the pulling operation portion side,
The biasing force of the second spring mechanism is smaller than the biasing force of the first spring mechanism.
The medicine storage cassette according to claim 4. A display for displaying the position of the urging body within the cassette body;
A confirmation window provided as an opening at a position corresponding to the display body in the cassette body;
A drug remaining amount confirmation unit having
The medicine storage cassette according to any one of claims 1 to 5. The confirmation window is formed on an end surface of the cassette body where the drawer operation unit is provided.
The medicine storage cassette according to claim 6. A cassette mounting opening into which the medicine storage cassette according to any one of claims 1 to 7 is detachably mounted,
An extraction head for operating the discharge side of the medicine in the medicine storage cassette;
A drug dispensing device comprising:

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