WO2013150580A1 - Drug delivery device - Google Patents

Description

Drug transfer device

The present invention relates to a technology of an apparatus for transferring a medicine between a syringe barrel and a medicine container.

There are various types of dangerous drugs such as anti-cancer drugs used in medical facilities, including therapeutic radiopharmaceuticals. Dangerous drugs are drugs that are routinely used for medical purposes in medical facilities. However, relatively high levels of mutagenic substances are detected in the urine of healthcare workers working in the environment where they are prepared and administered compared to unexposed healthcare workers, and there are concerns about adverse reproductive effects Has been.

The US Occupational Health and Safety Agency has published guidelines on the handling of anti-neoplastic drugs and other hazardous drugs by health care professionals, and the National Institutes of Health (NIH: National Institutes of Health) and other dangerous drugs There are provisions regarding the handling of However, there are still many situations in which medical personnel and patients are unintentionally exposed to dangerous drugs when they are handled in medical facilities. In that case, the route of exposure is often via the percutaneous or oral route of a dangerous pharmaceutical gas or liquid.

Specifically, the drug is often exposed due to leakage or dripping of the drug when the drug is sucked from the drug container into the syringe or when the drug is injected into the infusion bag in the dispensing operation. More specifically, it is conceivable that the leaked drug directly touches the skin, or vaporized drug or dried drug particles float in the air and are inhaled into the body.

In view of the above situation, when transferring a dangerous drug between containers, an attempt is made to prevent exposure of a medical worker and a patient due to the dangerous drug by making the container between closed containers. Many medical devices for performing have been developed (see Patent Documents 1 to 6).

JP 2010-521219 A JP 2010-525920 A JP 2010-528808 A JP 2010-528809 A JP 2010-528810 A JP 2010-537900 A

However, in the prior art, it is not possible to prevent exposure based on a dangerous drug leaking out or dripping from the drug container by releasing the connection relationship between the instruments that transfer the drug during drug transfer. There is a problem.

Therefore, in the present invention, by providing a mechanism that does not release the connection relationship between the instruments connected for drug transfer, it is possible to prevent leakage and dropping of dangerous drugs from the instruments, We propose a drug transfer device that safely transfers drugs between containers and infusion devices.

One form of the medicine transfer device to be disclosed includes a first member connected to the stopper side of the medicine container, a second member connected to the first member at one end, and connected to the syringe barrel at the other end. A drug transfer device for transferring a drug from the syringe barrel to the drug container and transferring a drug from the drug container to an infusion device connected to the first member, One member has a distal end portion disposed toward the stopper side of the drug container, a root portion disposed toward the second member side, and for transferring the drug to the root portion and the distal end portion. A first hollow needle member having a hole, a tip portion disposed toward the stopper side of the drug container, a root portion disposed toward the infusion device side, and a drug on the root portion and the tip portion; A third hollow needle member provided with a hole for transporting the drug and the neck of the drug container A first drop prevention member for preventing the distance between the drug container and the first member from being larger than the distance at which the connection relationship between the drug container and the first member is released; and the infusion device A second drop-out prevention member for preventing the distance between the connected drug container and the infusion device from becoming larger than the distance at which the connection relationship between the drug container and the infusion device is released. And the second member has a tip portion disposed toward the first member side, a root portion is disposed toward the syringe barrel side, and a medicine is transferred to the root portion and the tip portion. A second hollow needle member having a hole for connecting the first hollow member to the second hollow needle member when the first member and the second member are connected to each other. When the first member and the infusion device are connected to each other, the infusion device Is inserted into the third hollow needle member, and when the first hollow member and the third hollow needle member are inserted through the stopper of the drug container, the first hollow needle member and the third hollow needle member Via the second hollow needle member inserted into the first hollow needle member, the drug is transferred between the drug container and the syringe barrel, via the third hollow needle member, The medicine is transferred between the medicine container and the infusion device.

Further, in one form of the disclosed medicine transfer device, in addition to the above configuration, the third hollow needle member leaks from the root part of the third hollow needle member when the infusion device is not connected. It is provided with a leakage prevention valve that prevents it from coming out.
Moreover, in addition to the said structure, one form of the chemical | medical agent transfer apparatus to disclose is characterized by the said 3rd hollow needle member being contained in said 1st hollow needle member.

The disclosed medicine transfer device is provided with a mechanism that does not release the connection relationship between instruments connected for drug transfer, thereby preventing leakage and dripping of dangerous drugs from the above-mentioned instruments. Safely transfer drugs between drug containers and infusion devices.

It is a figure which shows an example of the chemical | medical agent transfer system containing the chemical | medical agent transfer apparatus which concerns on this Embodiment. It is a figure which shows an example of the chemical | medical agent transfer system containing the chemical | medical agent transfer apparatus which concerns on this Embodiment. It is a figure which shows an example of the chemical | medical agent transfer system containing the chemical | medical agent transfer apparatus which concerns on this Embodiment. It is sectional drawing for demonstrating the principal part of the 1st member which concerns on this Embodiment. It is a top view for demonstrating the principal part of the 1st filter member which concerns on this Embodiment. It is a figure for demonstrating the principal part of the chemical | medical agent container holding part which concerns on this Embodiment. It is a figure for demonstrating the example of application of the chemical | medical agent container holding part which concerns on this Embodiment. It is sectional drawing for demonstrating the principal part of the 2nd member which concerns on this Embodiment. It is sectional drawing for demonstrating the connection aspect of the 1st member and 2nd member which concern on this Embodiment. It is sectional drawing for demonstrating the connection aspect of the 1st member and 2nd member which concern on this Embodiment. It is sectional drawing for demonstrating the connection aspect of the 1st member which concerns on this Embodiment, a chemical | medical agent container, and an infusion device.

DESCRIPTION OF EMBODIMENTS Embodiments for carrying out the present invention will be described with reference to the drawings.
(Structure of the medicine transfer device according to the present embodiment)

The structure of the medicine transfer device 1 according to the present embodiment will be described with reference to FIGS. FIG. 1 is a diagram showing an outline of a drug transfer system 100 including a drug transfer device 1. As shown in FIG. 1, the drug transfer system 100 includes a drug container 2, a syringe barrel 6, an infusion device 62, a first member 8, and a second member 44.

The medicine transfer system 100 connects the medicine container 2 and the syringe barrel 6 as a closed system using the first member 8 and the second member 44, and in the connected state, between the medicine container 2 and the syringe barrel 6. Transfer of liquid or gaseous drug.

Further, the drug transfer system 100 connects the drug container 2 and the infusion device 62 as a closed system, and transfers a liquid or gaseous drug between the drug container 2 and the infusion device 62 in the connected state.

The drug container 2 may be a vial as shown in FIG. 1 or may be an infusion bag as shown in FIG. 2, and a solid / liquid / gas drug is stored inside. As shown in FIG. 3, the medicine transfer device 1 can also apply the medicine container 2 as an infusion line. Moreover, the medicine container 2 is provided with a stopper 4 that is connected to other members and used when the medicine is transferred. The medicine container 2 is connected to the first member 8 on the stopper 4 side.

The syringe barrel 6 is also referred to as a syringe, and is a device for injecting or sucking a liquid or gaseous drug, and does not include an injection needle. The syringe barrel 6 is connected to the second member 44 at a syringe barrel connecting portion 58 provided in the second member 44.

The infusion device 62 is a device for administering the drug in the drug container 2 to the patient. Unless otherwise specified, in the following description, the drug to be administered to the patient is provided at the end of the device. It shall refer to the part of the spike needle connected to the instrument 8 to be supplied.
Moreover, as shown in FIGS. 1 and 2, the first member 8 and the second member 44 are connected.

From here, the 1st member 8 is demonstrated using FIG. FIG. 4 is a cross-sectional view for explaining a main part of the first member 8. As shown in FIG. 4, the first member 8 includes a male portion 10 of the fitting mechanism, a first hollow needle member 12, a first elastic member 18, a first fixing member 26, and a first filter member. 20, a second filter member 24, a drug container holding portion 28, a third hollow needle member 32, a first drop prevention member 38, and a second drop prevention member 40.

The male part 10 of the fitting mechanism is a male part of a fitting mechanism (lock mechanism) for connecting the first member 8 and the second member 44, and a female part provided in the second member 44 described later. By fitting in 46, the first member 8 and the second member 44 are connected by a simple operation. The fitting mechanism is, for example, a mechanism composed of a female part having a nail shape and a male part having a shape for hanging the nail, and the nail and the part to be hooked are engaged with each other. The one member 8 and the second member 44 can be easily connected and locked. The fitting mechanism may have other structures.

The first hollow needle member 12 has a hollow needle shape inside, the distal end portion 14 is disposed toward the stopper 4 of the drug container 2, and the root portion 16 is directed toward the connection portion with the second member 44. Be placed. Further, the distal end portion 14 is inserted into the stopper 4 of the drug container 2, and the chemical solution is transferred between the drug container 2 and the syringe barrel 6. Therefore, at least the distal end portion 14 and the root portion 16 are provided with holes for drug transfer.

The first elastic member 18 is a spherical member made of a material having elasticity such as silicon or thermoplastic resin. The first elastic member 18 is fixed at a predetermined position in the first member 8 by the first fixing member 26. Here, the predetermined position is a position where the first elastic member 18 closes the hole of the root portion 16 of the first hollow needle member 12.

The first fixing member 26 is a member for fixing the first elastic member 18 to a predetermined position in the first member 8 as described above. The first fixing member 26 has a mortar shape with a hole in the bottom, and the first elastic member 18 is fitted into the mortar-shaped portion to thereby provide the first elasticity. The member 18 is fixed at a predetermined position.

As will be described later, the first filter member 20 penetrates the elastic members 18 and 54 and the elastic member 18 generated by the second hollow needle member 48 inserted into the first hollow needle member 12. It is a member that prevents 54 scraps (hereinafter also referred to as “unnecessary items”) 60 from entering the first hollow needle member 12. The first filter member 20 is disposed between the first elastic member 18 and the hole in the root portion 16 of the first hollow needle member 12.

Here, FIG. 5 is a view for explaining the structure of the first filter member 20. As shown in FIG. 5, the first filter member 20 includes a mesh member 22 obtained by rotating the mesh member 22 about 45 ° to a mesh member 22 in which thread-like members are arranged in a mesh (lattice). It is a stacked configuration. However, the first filter member 20 is a member installed for the purpose of preventing the shavings 60 of the elastic members 18 and 54 generated by the second hollow needle member 48 from entering the first hollow needle member 12. Therefore, as long as the purpose is achieved, the configuration is not limited to the above.

Similar to the first filter member 20, the second filter member 24 does not put the unnecessary material 60 generated by the second hollow needle member 48 into the first hollow needle member 12 (particularly, the distal end portion 14). It is a member to make it. The second filter member 24 is installed inside the first hollow needle member 12. The material and structure of the second filter member 24 are not limited as long as the above object is achieved.

Next, the drug container gripping portion 28 will be described with reference to FIGS. FIG. 6A is a front view for explaining the main part of the drug container gripping portion 28, and FIG. 6B is a plan view for explaining the main part of the drug container gripping portion 28. FIGS. 7A to 7C are views for explaining how the size of the medicine container gripping portion 28 is changed in accordance with the stoppers 4 of various sizes.

The size of the stopper 4 of the drug container 2 is various such as a diameter of 15 mm, 20 mm, 30 mm. Accordingly, as shown in FIG. 6A, the drug container gripping portion 28 fixes the connection relationship between the drug container 2 and the first member 8 by sandwiching the stopper 4 or neck portion of the drug container 2 from the side. It is a member to do. Moreover, as shown in FIG. 6B, the drug container gripping portion 28 can adjust the size of the connection site to the size of the stopper 4 (or neck portion) of the drug container 2.

Then, as shown in FIGS. 7A to 7C, the medicine container gripping portion 28 matches the size of the plug 4 (or neck portion) of the medicine container 2 with the size of the connecting portion, so that the stopper 4 The connection relationship between the drug container 2 and the first member 8 is fixed by sandwiching from the left and right sides or the four sides of the (or neck portion).

Next, the third hollow needle member 32, the first drop prevention member 38, and the second drop prevention member 40 will be described with reference to FIG. The third hollow needle member 32 has a hollow needle shape inside, the distal end portion 34 is disposed toward the stopper 4 of the drug container 2, and the root portion 36 is disposed toward the connection portion with the infusion device 62. The

In addition, since the drug solution is transferred between the drug container 2 and the infusion device 62 in a state where the tip part 34 of the third hollow needle member 32 is inserted into the stopper 4 of the drug container 2, at least the tip part 34 and The root portion 36 is provided with a hole for the medicine in the medicine container 2 to move.

The infusion device 62 is a spike needle provided at the end of the device for administering the drug in the drug container 2 to the patient, and the infusion device 62 is inserted into the hole of the root portion 36 of the third hollow needle member 32. Thus, the first member 8 and the infusion device 62 are connected.

The root portion 36 of the third hollow needle member 32 includes a leakage prevention valve 42. The leakage prevention valve 42 is a mechanism for preventing the medicine in the medicine container 2 from leaking to the outside from the hole provided in the root portion 36 even when the infusion device 62 is not connected (not attached) to the root portion 36. It is. As shown in FIG. 4, the leakage prevention valve 42 does not discharge the medicine (liquid or gas) from the distal end portion 34 toward the root portion 36, and is inserted from the root portion 36 toward the distal end portion 34. A valve-like mechanism for receiving 62 is preferred.

In addition, as shown in FIG. 4, the 3rd hollow needle member 32 may be a form (included in the 1st hollow needle member 12) which shares the front-end | tip part with the 1st hollow needle member 12, The form provided separately from the 1st hollow needle member 12 may be sufficient.

The first dropout prevention member 38 holds the neck portion of the drug container 2 and the distance between the connected drug container 2 and the first member 8 is greater than the distance at which the connection relationship is released. It is a member that prevents the first member 8 from falling out of the drug container 2. As shown in FIG. 2 or FIG. 4, the first drop-off prevention member 38 includes a band-like mechanism as a mechanism for grasping the neck portion of the drug container 2, and the band mechanism is a first member with a string member having a predetermined length. 8 is suitable. Due to the presence of the first drop prevention member 38, the first member 8 (first hollow needle member 12) does not fall out of the medicine container 2, and the patient / medical care is based on leakage or dripping of the medicine during transport. The exposure of workers can be prevented.

The second dropout prevention member 40 holds the infusion device 62 and prevents the distance between the connected drug container 2 and the infusion device 62 from becoming larger than the distance at which the connection relationship is released. The infusion device 62 is prevented from falling off from the first member 8 (the base portion 36 of the third hollow needle member 32). As shown in FIG. 2 or 4, the second dropout prevention member 40 includes a band-like mechanism as a mechanism for grasping the infusion device 62, and the band mechanism is provided on the first member 8 with a cord member having a predetermined length. The form is preferred. Due to the presence of the second drop-off prevention member 40, the infusion device 62 does not fall out of the first member 8 (the base portion 36 of the third hollow needle member 32), so that the drug can be leaked or dropped during transfer. The exposure of the patient / medical worker based can be prevented.

Next, the second member 44 will be described with reference to FIG. FIG. 8 is a cross-sectional view for explaining a main part of the second member 44. As shown in FIG. 8, the second member 44 includes a syringe barrel connection portion 58, a female portion 46 of the fitting mechanism, a second hollow needle member 48, a second elastic member 54, and a second fixing member 56. Have

The syringe barrel connection portion 58 is a portion connected to the syringe barrel 6 in which the liquid or gaseous medicine to be transferred is stored, and is located at the other end of the portion to which the first member 8 is connected. There is no particular limitation regarding the mechanism in which the syringe barrel connection portion 58 and the syringe barrel 6 are connected.

The female portion 46 of the fitting mechanism is a female portion of a fitting mechanism (lock mechanism) for connecting the first member 8 and the second member 44, and the male portion 10 included in the first member 8 is connected to the female portion 46. By fitting, the first member 8 and the second member 44 are connected by a simple operation. The fitting mechanism is, for example, a mechanism composed of a female part having a nail shape and a male part having a shape for hanging the nail, and the nail and the part to be hooked are engaged with each other. The one member 8 and the second member 44 can be easily connected and locked. The fitting mechanism may have other structures.

The second hollow needle member 48 has a hollow needle shape inside, the distal end portion 50 is arranged toward the first member 8 (first hollow needle portion 12), and the root portion 52 is connected to the syringe barrel 6. It arrange | positions toward the connection part (syringe connection part 58). Further, the distal end portion 50 is supported in a state where it is inserted into a second elastic member 54 described later, and the root portion 52 is fixed to the syringe barrel connecting portion 58. Note that the first member 8 and the second member 44 are connected when the medicine is transferred, and the second hollow needle member 48 is inserted into the first hollow needle member 12. Therefore, the direction of the second hollow needle member 48 is fixed in a predetermined direction, and the connection operation between the members 8 and 44 (insertion operation of the hollow needle members 12 and 48) can be performed reliably and easily.

Further, since the drug solution is transferred between the drug container 2 and the syringe barrel 6 via the second hollow needle member 48, at least the tip 50 and the root 52 are provided with holes for drug transfer.

The second elastic member 54 is a spherical member made of a material having elasticity such as silicon or thermoplastic resin. The second elastic member 54 is fixed at a predetermined position in the second member 44 by the second fixing member 56. Here, the predetermined position means that when the first member 8 and the second member 44 are connected, the first elastic member 18 and the second elastic member 54 are applied with a predetermined force. It is a position to touch.

The second fixing member 56 is a member for fixing the second elastic member 54 to a predetermined position in the second member 44 as described above. The second fixing member 56 has a mortar shape with a hole in the bottom, and a second elastic member 54 is fitted into the mortar-shaped portion to thereby provide a second elasticity. The member 54 is fixed at a predetermined position.

Next, the connection form of the first member 8 and the second member 44 will be described with reference to FIGS. 9 and 10. FIGS. 9 and 10 are cross-sectional views for explaining a connection mode of the first member 8 and the second member 44.

As shown in FIG. 9, as a first procedure, the male part 10 and the female part 46 of the fitting mechanism for connecting the first member 8 and the second member 44 are fitted together, The member 8 and the second member 44 are connected. In this state, the first elastic member 18 and the second elastic member 54 come into contact with each other, and the contact parts of the elastic members 18 and 54 are crushed, and the first member 8 and the second elastic member 54 are brought into contact with each other. The connection part with the member 44 becomes a closed system closed from the outside.

Then, as shown in FIG. 10, as the second procedure, the distal end portion 50 of the second hollow needle member 48 supported by the second elastic member 54 is moved to The first elastic member 54 and the first elastic member 18 are pushed through and penetrated through the first hollow needle member 12 from the root portion 16. At that time, since the second hollow needle member 48 may scrape the elastic members 18 and 54, the first filter member 20 and the second filter member 24 prevent permeation of the shavings 60.

And the front-end | tip part 14 of the 1st hollow needle member 12 is inserted in the stopper 4 of the chemical | medical agent container 2, and a chemical | medical solution transfer between the chemical | medical agent container 2 and the injection cylinder 6 is performed via the hollow needle members 12 and 48. .
(Usage method of drug transfer device according to this embodiment)
(1) About the medicine transfer operation between the syringe barrel 6 and the medicine container 2

1, 2, 4, 6, 7, 9, and 10, the method of using the drug transfer device 1, specifically, the drug container in the drug transfer system 100 including the drug transfer device 1. 2. A method for transferring medicine between syringes 6 will be described. Here, it is assumed that the medicine is transported when the medicine container 2 is a vial as shown in FIG. 1, and the medicine is transported when the medicine container 2 is an infusion bag as shown in FIG.

As a first procedure, the operator inserts the distal end portion 14 of the first hollow needle member 12 included in the first member 8 shown in FIG. 2 and the first member 8 are connected.

As the second procedure, as shown in FIGS. 6 and 7, the operator adjusts the size of the drug container gripping portion 28 in accordance with the size of the diameter of the plug portion 4 of the drug container 2, and the plug portion The connection relationship between the drug container 2 and the first member 8 is fixed by sandwiching from the left and right sides or four sides of 4 (or the neck portion).

As a third procedure, the operator fits the male part 10 and the female part 46 of the fitting mechanism and connects the first member 8 and the second member 44 as shown in FIG. In this state, the first elastic member 18 and the second elastic member 54 come into contact with each other, and the contact parts of the elastic members 18 and 54 are crushed, and the first member 8 and the second elastic member 54 are brought into contact with each other. The connection part with the member 44 becomes a closed system closed from the outside.

As the fourth procedure, the operator, as shown in FIG. 10, continues the state where the third procedure is completed, and the second hollow needle member supported by the second elastic member 54. The front end portion 50 of 48 is pushed and penetrated in the second elastic member 54 and the first elastic member 18. Further, the operator inserts the second hollow needle member 48 into the first hollow needle member 12 from the root portion 16. At that time, since the second hollow needle member 48 may scrape the elastic members 18 and 54, the first filter member 20 and the second filter member 24 prevent permeation of the shavings 60.
As a fifth procedure, the operator connects the syringe barrel 6 to the syringe barrel connecting portion 58 provided in the second member 44 as shown in FIG. 1 or FIG.
As a sixth procedure, the operator appropriately operates the syringe barrel 6 to transfer the drug from the syringe barrel 6 toward the drug container 2.
(2) About medicine transfer operation between medicine container 2 and infusion device 62

1, 2, and 9 to 11, the method of using the drug transfer device 1, specifically, the drug between the drug container 2 and the infusion device 62 in the drug transfer system 100 including the drug transfer device 1. The transfer method will be described. Here, as shown in FIG. 1, drug transfer when the drug container 2 is a vial and drug transfer when the drug container 2 is an infusion bag as shown in FIG. 2 are assumed. Moreover, as shown in FIG. 9 or FIG. 10, it is assumed that the first member 8 and the medicine container 2 are already connected.

As a first procedure, the operator inserts the infusion device 62 into the root portion 36 of the third hollow needle member 32 shown in FIG. 9 or 10, and connects the first member 8 and the infusion device 62. .

As a second procedure, the operator grasps the neck portion of the drug container 2 using the tip of the first drop-off prevention member 38 and connects the drug container 2 and the first member 8 to each other. Hold. Further, the operator grasps the infusion device 62 inserted into the root portion 36 of the third hollow needle member 32 using the distal end portion of the second drop prevention member 40, and the first member 8 and the infusion device 62 are connected. Keep connected. For example, as shown in FIG. 11, the first member 8 and the infusion device 62 are connected.

As a third procedure, for example, as shown in FIG. 11, the operator places the drug container 2 in the upper position, the drug transfer device 1, the infusion device 62, etc. in the lower position, and the infusion device from the drug container 2. Toward 62, the medicine is transferred.

In this way, it is possible to prevent the first member 8 from dropping out of the drug container 2 and the infusion device 62 from falling off from the first member 8. Therefore, the risk of exposure by the dangerous drug of the patient / medical worker based on leakage or dripping of the dangerous drug from the drug transfer system 100 can be reduced.

Further, it is assumed that the operator forgets to attach the second drop prevention member 40 to the infusion device 62 and then the infusion device 62 is detached from the root portion 36 of the third hollow needle member 32. Even in such a case, since there is no leakage or dripping of the dangerous drug from the drug transfer system 100 due to the presence of the leakage prevention valve 42, the risk of exposure by the dangerous drug of the patient / medical worker Can be further reduced.
(Summary)

The medicine transfer device 1 is configured so that the drop prevention members 38 and 40 do not release the connection relationship between the medicine container 2, the medicine transfer device 1, and the infusion device 62. Dripping can be prevented and the risk of exposure of patients and medical staff can be reduced.

Even if the connection between the drug transfer device 1 and the infusion device 62 is canceled during the drug transfer, the drug transfer device 1 prevents the leakage of the dangerous drug and the dripping by the leak prevention valve 42. It can reduce the risk of exposure of patients and healthcare workers. Thus, the medicine transfer device 1 is provided with means for avoiding the exposure of the patient / medical worker.

Although the embodiment of the present invention has been described in detail above, the present invention is not limited to the specific embodiment, and various modifications are possible within the scope of the gist of the present invention described in the claims.・ Change is possible.

1 Drug Transfer Device 2 Drug Container 4 Drug Container Cap 6 Syringe 8 First Member 10 Male Part 12 of Fitting Mechanism First Hollow Needle Member 14 First Hollow Needle Member Tip 16 First Hollow Needle Root portion 18 of member First elastic member 20 First filter member 22 Mesh member 24 Second filter member 26 First fixing member 28 Drug container gripping portion 32 Third hollow needle member 34 Third hollow Needle member tip portion 36 Third hollow needle member root portion 38 First drop prevention member 40 Second drop prevention member 42 Leakage prevention valve 44 Second member 46 Female portion 48 of fitting mechanism Second The hollow needle member 50 The tip part 52 of the second hollow needle member 52 The base part 54 of the second hollow needle member The second elastic member 56 The second fixing member 58 The syringe barrel connection part 60 The unnecessary part 62 The infusion device 100 The medicine Transport system

Claims (3)

A first member connected to the stopper side of the drug container; a second member connected to the first member at one end and connected to the syringe barrel at the other end; A drug transfer device for transferring a drug to a drug container and transferring a drug from the drug container to an infusion device connected to the first member,
The first member is
A tip portion is disposed toward the stopper side of the drug container, a root portion is disposed toward the second member side, and a hole for transporting the drug is provided in the root portion and the tip portion. A hollow needle member;
A distal end portion is disposed toward the stopper side of the drug container, a root portion is disposed toward the infusion device side, and a third hole provided with a hole for transferring the drug is formed in the root portion and the distal end portion. A hollow needle member;
A first gripping the neck of the drug container to prevent the distance between the connected drug container and the first member from becoming larger than the distance at which the connection relationship between the drug container and the first member is released. One drop prevention member;
A second dropout prevention member that holds the infusion device and prevents the distance between the connected medicine container and the infusion device from becoming larger than the distance at which the connection relationship between the medicine container and the infusion device is released. And having
The second member is
A second hollow needle having a distal end portion disposed toward the first member side, a root portion disposed toward the syringe barrel side, and a hole for transferring a drug to the root portion and the distal end portion Having a member,
When the first member and the second member are connected, the second hollow needle member is inserted into the first hollow needle member,
When the first member and the infusion device are connected, the infusion device is inserted into the third hollow needle member,
When the first hollow member and the third hollow needle member are inserted through the stopper of the drug container,
Via the first hollow needle member and the second hollow needle member inserted into the first hollow needle member, transfer the drug between the drug container and the syringe barrel,
A drug transfer device for transferring a drug between the drug container and the infusion device via the third hollow needle member. The third hollow needle member includes a leakage prevention valve for preventing the medicine from leaking from a root portion of the third hollow needle member when the infusion device is not connected. 2. The medicine transfer device according to 1. The medicine transfer device according to claim 1 or 2, wherein the third hollow needle member is included in the first hollow needle member.

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