WO2012128115A1 - 穿刺針一体型アダプタ - Google Patents
穿刺針一体型アダプタ Download PDFInfo
- Publication number
- WO2012128115A1 WO2012128115A1 PCT/JP2012/056343 JP2012056343W WO2012128115A1 WO 2012128115 A1 WO2012128115 A1 WO 2012128115A1 JP 2012056343 W JP2012056343 W JP 2012056343W WO 2012128115 A1 WO2012128115 A1 WO 2012128115A1
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- WO
- WIPO (PCT)
- Prior art keywords
- puncture needle
- needle
- end side
- liquid
- syringe
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
Definitions
- the present invention relates to a puncture needle integrated adapter.
- the drug when a patient self-injects a drug solution such as a blood product, the drug may be dissolved or diluted with a liquid, and the drug solution may be sucked with a syringe and used.
- a drug solution such as a blood product
- the drug solution may be sucked with a syringe and used.
- an adapter for connecting a syringe storing a liquid is attached to a drug container storing a drug, and the drug container and the syringe are connected via this adapter.
- the liquid in the syringe is transferred into the drug container, and the drug is dissolved in the liquid to obtain a drug solution.
- the drug solution in the drug container is sucked and filled into the syringe by operating the syringe.
- the adapter is removed from the syringe, and instead, the injection needle is attached to the syringe, the injection needle is punctured into the living body, and the drug solution in the syringe is administered into the living body.
- An object of the present invention is to provide a puncture needle integrated adapter capable of exhibiting excellent operability while preventing contamination of a chemical solution.
- the present invention connects a medicine storage container having a medicine storage space for storing medicine and a liquid storage container having a liquid storage space for storing a liquid for dissolving or diluting the medicine.
- An adapter for A puncture needle having a tip that can puncture a living body at the tip and an internal passage opened at both ends; a needle hub that supports the puncture needle so that the tip of the puncture needle protrudes from the tip; A first connecting portion that is provided on a proximal end side of the needle hub and connects the liquid storage portion and the internal passage in a liquid-tight manner by connecting to the liquid storage container;
- a cylindrical fixing portion that is provided on a distal end side of the needle hub and fixes the needle hub;
- a cylindrical puncture needle storage portion provided integrally with the cylindrical fixation portion on the distal end side of the cylindrical fixation portion and having a storage space for storing the puncture needle therein;
- a second connecting portion that is provided on the distal end side of the puncture needle housing portion in communication with the
- the liquid storage container is a syringe
- the liquid storage container In the state where the medicine container is connected to the second connection part and the syringe is connected to the first connection part, By operating the syringe, the liquid is transferred to the drug storage part via the puncture needle, the storage space, and the second connection part to obtain a drug solution that is a mixture of the liquid and the drug, By operating the syringe, the drug solution is sucked into the syringe through the second connection portion, the accommodation space, and the puncture needle, It is preferable that the puncture needle is exposed by separating the portion on the distal end side from the separable portion together with the medicine container from the portion on the proximal end side from the separable portion.
- the separable part is composed of an easily breakable part that can be easily broken than its surroundings.
- the easily breakable portion is broken by rotating at least one of the distal end side and the proximal end side in the circumferential direction with respect to the other than the easily breakable portion.
- the puncture needle storage portion is provided with a protruding portion that protrudes outward.
- the needle hub is provided with a protruding portion that protrudes outward.
- FIG. 1 is an exploded view (longitudinal sectional view) showing a first embodiment of the puncture needle-integrated adapter of the present invention.
- FIG. 2 is an assembly view (longitudinal sectional view) of the puncture needle integrated adapter shown in FIG.
- FIG. 3 is a perspective view of a winged needle included in the puncture needle-integrated adapter shown in FIG. 4 is a cross-sectional view of a tube of the winged needle shown in FIG.
- FIG. 5 is a diagram for explaining a procedure for using the puncture needle integrated adapter shown in FIG. 1.
- FIG. 6 is a diagram for explaining a procedure for using the puncture needle integrated adapter shown in FIG. 1.
- FIG. 1 is an exploded view (longitudinal sectional view) showing a first embodiment of the puncture needle-integrated adapter of the present invention.
- FIG. 2 is an assembly view (longitudinal sectional view) of the puncture needle integrated adapter shown in FIG.
- FIG. 3
- FIG. 7 is a view for explaining the procedure for using the puncture needle-integrated adapter shown in FIG.
- FIG. 8 is a diagram for explaining a procedure for using the puncture needle integrated adapter shown in FIG. 1.
- FIG. 9 is a perspective view showing a winged needle included in the second embodiment of the puncture needle-integrated adapter of the present invention.
- FIG. 1 is an exploded view (longitudinal sectional view) showing a first embodiment of the puncture needle integrated adapter of the present invention
- FIG. 2 is an assembly view (vertical sectional view) of the puncture needle integrated adapter shown in FIG. 3 is a perspective view of a wing needle included in the puncture needle integrated adapter shown in FIG. 1
- FIG. 4 is a cross-sectional view of a tube included in the wing needle shown in FIG. 3
- FIGS. 5 to 8 are puncture needles shown in FIG. It is a figure for demonstrating the use procedure of an integrated adapter.
- the left side of FIGS. 1 to 4 is referred to as “tip”
- the right side is referred to as “base end”
- the lower side of FIGS. 5 to 8 is “tip”
- the upper side is “base end”.
- the puncture needle integrated adapter 1 shown in FIG. 1 has a winged needle 2 and an adapter 3, which are configured by combining them as shown in FIG.
- the winged needle 2 and the adapter 3 will be sequentially described in detail.
- the winged needle 2 includes a puncture needle 21 having internal passages opened at both ends, a needle hub 22 that supports and fixes the puncture needle 21, and a pair of needle hubs 22. Wings (projections) 231 and 232, a tube 24 connected to the proximal end portion of the needle hub 22, and a first connection portion 25 connected to the proximal end portion of the tube 24.
- the puncture needle 21 has a needle tip that can puncture a living body at the tip, and a medical solution 300 described later can be injected (administered) into the living body by puncturing the living body.
- the puncture needle 21 has a size of 18 to 33 G (outer diameter: 0.2 to 0.45 mm) based on the ISO medical needle tube standard (ISO9626: 1991 / Amd.1: 2001 (E)). It is preferable to use a material having a size of 21 to 25 G.
- the constituent material of the puncture needle 21 is not particularly limited.
- various metal materials such as stainless steel, aluminum or an aluminum alloy, titanium or a titanium alloy, a superelastic alloy such as a Ni—Ti alloy, polyphenylene sulfide, and the like.
- Various hard resin materials are mentioned.
- a cylindrical needle hub 22 is fixed to the outer periphery of the proximal end portion of the puncture needle 21 in a liquid-tight manner. Thereby, the puncture needle 21 is supported and fixed to the needle hub 22.
- the proximal end portion of the needle hub 22 has a reduced diameter with respect to the distal end portion, and the needle hub 22 and the tube 24 are connected by fitting the proximal end portion into the tube 24. Thereby, the puncture needle 21 and the tube 24 are connected.
- the needle hub 22 is provided with a pair of wings 231 and 232 that protrude to opposite sides.
- the wings 231 and 232 are in a state in which their root portions are joined to form a single flat plate, and the needle hub 22 is joined thereon.
- the wings 231 and 232 have flexibility, and are configured to be openable and closable by bending or bending the vicinity of the root portions of the wings 231 and 232.
- Such wings 231 and 232 have the following functions. That is, when the puncture needle 21 is punctured into the living body, the wings 231 and 232 are folded and picked up, and the puncture needle 21 is punctured into the living body. After the puncture, if the wings 231 and 232 are opened and the wings 231 and 232 are fixed to the skin using an adhesive tape or the like, the puncture needle 21 can be fixed to the living body. Thus, by having the wings 231 and 232, the puncture needle 21 can be punctured into the living body easily and smoothly, and the puncture needle 21 can be easily and reliably fixed to the living body.
- the wings 231 and 232 can be formed integrally with the needle hub 22.
- a flexible tube 24 serving as a flow path for the liquid 100 and the chemical solution 300 described later is liquid-tightly connected to the proximal end side of the needle hub 22, and the lumen of the tube 24 has a puncture needle. 21 is in fluid-tight communication with the internal passageway 21.
- the length of the tube 24 is not particularly limited, but is preferably about 15 to 40 cm, and more preferably about 20 to 30 cm. Thereby, the length of the tube 24 becomes a length suitable for performing self-injection as described in the usage method described later, and self-injection can be performed more easily.
- the material of the needle hub 22, the blades 231, 232, and the tube 24 is not particularly limited.
- polyolefin such as polyethylene, polypropylene, ethylene-vinyl acetate copolymer, polyvinyl chloride, polybutadiene, polyamide And polyester.
- these are preferably made of a transparent or translucent material.
- a first connection portion 25 for connecting to a later-described syringe (liquid storage container) 500 is provided on the proximal end side of the tube 24.
- a hollow portion (not shown) is formed inside the first connection portion 25 as described above, and the inside of the syringe 500 (liquid storage space) and the lumen of the tube 24 are liquid-tightly connected through the hollow portion.
- the inside of the syringe 500 (liquid storage space) and the internal passage of the puncture needle 21 are in fluid-tight communication.
- a filter including a filter member that allows gas to pass but not bacteria to pass through until the syringe is connected may be detachably attached to the first connecting portion 25.
- the filter member include nonwoven fabrics such as polypropylene, polysulfone, regenerated cellulose, polyamide, polyester, polyethylene, and polytetrafluoroethylene, paper, or those obtained by applying a sealing process thereto.
- an easily breakable portion 8 is formed in the middle of the tube 24. Such an easily breakable portion 8 is configured to break more easily than the surroundings, specifically, the portions near the distal end side and the proximal end side.
- the winged needle 2 is separated into a first portion 8a including the puncture needle 21 located on the distal end side and a second portion 8b on the proximal end side. can do.
- Trash including the puncture needle 21 must be properly treated as “needle trash” in accordance with various laws and regulations. Therefore, like the winged needle 2, it is only necessary to dispose only the first part 8a as needle dust by separating the first part 8a including the puncture needle 21 and the other second part 8b. The amount of needle dust is reduced. As a result, the economical efficiency when discarding the winged needle 2 is improved. In other words, it is possible to reduce the frequency of dust removal as needle dust, and to suppress the cost for disposal. By breaking the easy breakable portion 8, the first portion 8 a and the second portion 8 b can be easily separated, so that there is no inconvenience during disposal and the operability is excellent.
- the tube 24 includes a distal end side tube 241 having a distal end portion connected to the needle hub 22 and a proximal end side with respect to the distal end side tube 241.
- a proximal end tube 242 connected to the connecting portion 25 and a cylindrical connecting member 7 that connects the distal end side tube 241 and the proximal end side tube 242 are provided.
- the connecting member 7 includes a distal end portion 71 connected to the distal end side tube 241, a proximal end portion 72 connected to the proximal end side tube 242, and an intermediate portion 73 that connects the distal end portion 71 and the proximal end portion 72. And have.
- the tip 71 is formed with a pair of knobs 71a and 71b projecting on both sides thereof, and the base end 72 is formed with a pair of knobs 72a and 72b projecting on both sides thereof.
- Each of these knobs 71a, 71b, 72a, 72b has a flat plate shape. Further, each of the knobs 71a, 71b, 72a, 72b has a shape in which both surfaces thereof are recessed except for the edge so that the finger can be easily hooked.
- the intermediate portion 73 has a thin portion 73 a that is thinner than the distal end portion 71 and the base end portion 72, and the thin portion 73 a constitutes the easily breakable portion 8.
- the thin portion 73a is more fragile than the distal end portion 71 and the base end portion 72, and is ruptured with a small force, because it is thinner than the distal end portion 71 and the base end portion 72. Therefore, by configuring the easily breakable portion 8 with such a thin-walled portion 73a, the easily breakable portion 8 that can reliably perform its function and has a simple structure can be formed.
- Such an easy-to-break portion 8 will be described in the use procedure described later.
- the distal end portion 71 and the proximal end portion are gripped by holding the distal end portion 71 with one hand and the proximal end portion 72 with the other hand.
- the easily breakable portion 8 can be easily broken.
- the above-described procedure is also referred to as a “rupture procedure”.
- a pair of knobs 71 a and 71 b are formed at the distal end portion 71, and a pair of knobs 72 a and 72 b are formed at the proximal end portion 72.
- the thin-walled portion 73a (easy breakable portion 8) preferably has flexibility (flexibility), specifically, stretchability or stretchability.
- flexibility specifically, stretchability or stretchability.
- liquid tightness in the tube 24 can be ensured until immediately before breakage, that is, in a state in which the breakable portion 8 is being deformed. Therefore, for example, even if the easily breakable part 8 is deformed unintentionally, if the easily breakable part 8 is not broken, the liquid tightness in the tube 24 is ensured. Liquid leakage from the tube 24 can be prevented.
- the predetermined angle is preferably 45 ° or more, and more preferably 90 ° or more.
- the breakable portion 8 is preferably provided in the region within 10 cm from the proximal end of the needle hub 22 in the middle of the tube 24 and more preferably in the region within 3 to 6 cm. preferable. Thereby, the volume (bulk) of the 1st site
- the thin-walled portion 73a (easy to break portion 8) is formed by forming a substantially V-shaped groove 73b on the outer periphery of the intermediate portion 73.
- channel 73b becomes a mark and the user can visually recognize the easily breakable part 8 easily. Therefore, it becomes easy to perform the breaking procedure mentioned above, and operativity improves.
- the groove 73b is formed so as not to penetrate into the inside of the connecting member 7 (the lumen of the tube 24), thereby ensuring the liquid-tightness of the tube 24.
- the cross-sectional shape of the groove 73b is not limited to the V shape, and may be, for example, a substantially semicircle.
- Such a groove 73b is preferably formed over the entire circumference of the intermediate portion 73. That is, it is preferable that the groove 73b has a ring shape. As a result, the easily breakable portion 8 can be formed over the entire circumference of the intermediate portion 73. Therefore, the easy-to-break part 8 has a configuration suitable for the act of twisting off by the above-described breaking procedure, and the breaking procedure can be performed easily and reliably.
- the thickness of the thin-walled portion 73a (easy to break portion 8) varies depending on the constituent material of the connecting member 7, but is about 0.2 to 1.0 mm at a portion corresponding to the bottom of the groove 73b.
- the thickness is preferably about 0.3 to 0.5 mm.
- the thickness of the thin-walled portion 73a is set to the above numerical value, when there is no intention of breaking such as during use of the instrument, the breakage can be surely prevented, and when there is an intention of breaking such as when discarding after use Can constitute an easily breakable portion 8 that can be easily broken.
- constituent materials of the connecting member 7 include various resins such as polyvinyl chloride, polyethylene, polypropylene, and polyamide.
- the adapter 3 includes a cylindrical fixing portion 31 fixed to the needle hub 22, a puncture needle storage portion 32 provided on the distal end side of the cylindrical fixing portion 31, and a puncture needle storage Provided between the pair of wings 331, 332 provided in the portion 32, the second connection portion 34 provided on the distal end side of the puncture needle accommodating portion 32, and the cylindrical fixing portion 31 and the puncture needle accommodating portion 32.
- the separable part 35 is formed.
- the puncture needle accommodating part 32 is cylindrical and has an accommodating space 321 inside. As shown in FIG. 2, the puncture needle 21 is accommodated in the accommodation space 321 in a state where the adapter 3 is fixed to the winged needle 2. Thereby, the puncture needle 21 is protected by the adapter 3, and damage to the puncture needle 21 and contamination of the puncture needle 21 can be prevented.
- the accommodation space 321 is preferably configured so that the inner diameter thereof is larger than the outer diameter of the puncture needle 21 and the puncture needle 21 can be accommodated in a non-contact manner. Thereby, it is possible to effectively prevent the puncture needle 21 from being damaged or damaged due to contact with the inner wall of the puncture needle accommodating portion 32 (that is, the wall surface forming the accommodation space 321). In addition, even if the puncture needle housing portion 32 is slightly deformed by an external force, the inner puncture needle 21 is not deformed, and from this point, it is possible to effectively prevent the puncture needle 21 from being damaged or damaged.
- the diameter of the accommodation space 321 is not particularly limited, but preferably has a diameter larger by about 0.2 to 5 mm than the outer diameter of the puncture needle 21.
- the non-contact state of the inner wall of the puncture needle accommodating part 32 and the puncture needle 21 can fully be ensured, and also the capacity of the accommodation space 321 can be suppressed.
- the capacity of the storage space 321 By suppressing the capacity of the storage space 321, the amount of the chemical 300 remaining in the storage space 321 when used as described later can be reduced. Therefore, the chemical solution 300 can be used efficiently.
- the puncture needle accommodating portion 32 has a main body 32a having a hollow portion opening on the distal end side, and a cylindrical hard portion 32b provided in the hollow portion of the main body 32a.
- the internal space 32b constitutes the accommodating space 321.
- the hard portion 32b is fixed to the inner surface of the main body 32a, for example, by fitting, bonding, or the like. Further, a step is formed on the inner peripheral surface of the main body 32a and the outer peripheral surface of the hard portion 32b, and the hard portion 32b is in contact with the main body 32a by the step of the hard portion 32b coming into contact with the step of the main body 32a. It is positioned.
- the hard portion 32b by providing the hard portion 32b inside, the strength of the entire puncture needle housing portion 32 is increased, and deformation of the puncture needle housing portion 32 is suppressed, so that the stored puncture needle 21 is more effectively used. Can be protected. Moreover, since the strength is sufficiently maintained by the hard portion 32b, the degree of freedom in designing the main body 32a is increased. Thereby, for example, as will be described later, it becomes easy to form the main body 32a integrally with the cylindrical fixing portion 31.
- Examples of the constituent material of the hard portion 32b include polyvinyl chloride, polyethylene, polypropylene, cyclic polyolefin, polystyrene, poly- (4-methylpentene-1), polycarbonate, acrylic resin, acrylonitrile-butadiene-styrene copolymer, Polyesters such as polyethylene terephthalate and polyethylene naphthalate, butadiene-styrene copolymers, various resins such as polyamide (for example, nylon 6, nylon 6,6, nylon 6,10, nylon 12), stainless steel, aluminum or aluminum Examples include various metal materials such as alloys.
- the puncture needle housing portion 32 is provided with a pair of wings (projections) 331 and 332 that project to the opposite sides. Each wing
- blade 331,332 has comprised flat form.
- the blades 331 and 332 are preferably configured to be relatively hard and difficult to deform.
- the wings 331 and 332 function as knobs for hooking fingers, and by hooking the fingers on the wings 331 and 332, the puncture needle housing part 32 can be easily rotated in the circumferential direction, and as described in the usage method described later, The operability of the adapter 3 is improved.
- blade 331,332 is not specifically limited as long as the function as a knob mentioned above can be exhibited.
- one of the wings 331 and 332 may be omitted.
- a cylindrical tubular fixing portion 31 On the proximal end side of the puncture needle accommodating portion 32, a cylindrical tubular fixing portion 31 is provided.
- the cylindrical fixing portion 31 has a function of connecting and fixing the adapter 3 to the winged needle 2.
- Such a cylindrical fixing part 31 has an opening 311 that opens to the base end side.
- the opening 311 has a slightly smaller diameter than the needle hub 22, and the tubular fixing portion 31 is liquid-tightly fixed to the needle hub 22 by fitting the needle hub 22 into the opening 311. .
- fixed part 31 and the needle hub 22 may be fixed by an adhesive agent or melt
- the cylindrical fixing portion 31 and the needle hub 22 can be more strongly fixed. Therefore, as will be described later, when the separable portion 35 (easy breakable portion 351) is twisted, the cylindrical fixing portion 31 can be reliably prevented from being detached from the needle hub 22.
- the opening 311 communicates with the accommodation space 321 so as to allow passage of the puncture needle 21 at the distal end side, and the puncture needle is in a state where the cylindrical fixing portion 31 is fixed to the needle hub 22. 21 is accommodated in the accommodating space 321.
- a separable portion 35 is formed between the puncture needle accommodating portion 32 and the cylindrical fixing portion 31.
- the base end side and the tip end side can be separated from the separable portion 35 as a boundary. That is, the cylindrical fixing part 31 and the puncture needle accommodating part 32 can be separated.
- the separable part 35 is configured by an easily breakable part 351 that is easily broken by a force (torque) smaller than its surroundings.
- the easily breakable portion 351 is thinner than the surroundings and is fragile.
- a groove 352 having a V-shaped cross section is formed over the entire circumference between the puncture needle accommodating portion 32 and the cylindrical fixing portion 31, and the portion is made thin. Fragile and forms an easily breakable portion 351. Thereby, the easily breakable part 351 can be formed easily.
- the thickness of the easily breakable portion 351 varies depending on the constituent material, for example, it is preferably 0.1 mm to 1.0 mm, and more preferably 0.2 to 0.5 mm.
- the breakable portion 351 is broken so as to be threaded by rotating at least one of the cylindrical fixing portion 31 and the puncture needle accommodating portion 32 by a predetermined angle or more with respect to the other, and thereby the puncture needle accommodating portion.
- fixed part 31 isolate
- the easy breakable portion 351 is deformed to be stretched, and when the angle exceeds a predetermined angle, the stretchable portion 351 breaks beyond the stretch limit, and the puncture needle storage portion 32 and the tubular shape The fixing part 31 is separated.
- the puncture needle accommodating portion 32 and the cylindrical fixing portion 31 are separated without applying a load to the puncture needle 21 accommodated in the puncture needle accommodating portion 32. be able to. Therefore, deformation and breakage of the puncture needle 21 can be effectively prevented.
- the predetermined angle is preferably 45 ° or more, and more preferably 90 ° or more.
- a damage portion such as a through-hole communicating with the inside and outside of the easy-to-break portion 351 is not formed until just before the break, that is, in a state in which the easy-to-break portion 351 is in the middle of deformation. That is, it is preferable that the liquid tightness of the accommodation space 321 is maintained until the easy breakable portion 351 is broken. Thereby, until the puncture needle accommodating portion 32 is separated from the cylindrical fixing portion 31, the liquid tightness of the accommodating space 321 can be ensured. Therefore, unintentional contamination in the accommodating space 321 or from the accommodating space 321 can be ensured. Liquid leakage and the like can be prevented.
- the breakable portion 351 is located more proximally between the distal end of the needle hub 22 and the needle tip of the puncture needle 21 in a state where the adapter 3 is fixed to the winged needle 2.
- the breakable portion 351 is located in the vicinity of the tip of the needle hub 22. It is located at the proximal end of the puncture needle 21.
- the separable part 35 As a constituent material of the separable part 35, a flexible resin such as polyvinyl chloride, polyamide, polypropylene, polyethylene, or the like is preferable. As a result, it becomes easy to thread the breakable portion 351 as described above. Moreover, the separable part 35, the cylindrical fixing part 31, and the puncture needle accommodating part 32 can be integrally formed.
- a second connecting portion 34 is provided on the distal end side of the puncture needle accommodating portion 32.
- the second connection unit 34 has a function of connecting the adapter 3 to the vial (drug storage container) 600.
- Such a second connection portion 34 includes a main body portion 341 and a hollow needle (insertion portion) 349 that can pierce a stopper 620 of a vial 600 described later.
- the main body portion 341 includes a bottomed cylindrical holder 342 that surrounds the hollow needle 349, and a tubular portion 343 that is formed at the base end portion of the holder 342 so as to protrude in the axial direction of the holder 342. Yes.
- the tubular part 343 is fixed to the puncture needle accommodating part 32 in a liquid-tight manner by fitting, fusing, or bonding with an adhesive, whereby the second connection part 34 is fixed to the puncture needle accommodating part 32.
- the tubular portion 343 and the accommodation space 321 communicate with each other.
- the hollow needle 349 is located in the holder 342 and is formed on the bottom of the holder 342 so as to protrude in the axial direction of the holder 342.
- the hollow needle 349 is disposed at a position corresponding to the tubular portion 343 and communicates with the accommodation space 321 via the tubular portion 343.
- a hole 349a is formed in the middle of the hollow needle 349, and the inside and the outside of the hollow needle 349 communicate with each other through the hole 349a.
- constituent material of the second connection portion 34 is not particularly limited, and for example, the same materials as those exemplified as the constituent material of the hard portion 32b described above can be used.
- a cap covering the hollow needle may be attached before use.
- a liquid-permeable filter for removing foreign matter may be installed between the hollow needle 349 and the accommodation space 321.
- the puncture needle integrated adapter 1 and adapter 3 have been described in detail above.
- an adapter 3 a winged needle 2, a syringe (liquid storage container) 500, and a vial (drug storage container) 600 are prepared.
- a syringe 500 will be described as an example of a liquid storage container, and a vial 600 will be described as an example of a medicine storage container.
- the syringe 500 includes an outer cylinder 510, a gasket 520 that can slide within the outer cylinder 510, and a pusher 530 that moves the gasket 520 along the axial direction (longitudinal direction) of the outer cylinder 510.
- the gasket 520 is connected to the tip of the pusher 530.
- a liquid 100 for dissolving or diluting the drug 200 stored in the vial 600 is sealed.
- the liquid 100 is not particularly limited and may be appropriately selected according to the drug 200. Examples thereof include water for injection, physiological saline, and glucose solution.
- the liquid 100 may be sealed in the syringe 500 in advance, or the liquid 100 may be sucked into the syringe 500 when used.
- the outer cylinder 510 is formed of a bottomed cylindrical member, and a mouth portion 512 whose diameter is reduced with respect to the body portion 511 of the outer cylinder 510 is integrally projected at a tip portion thereof, that is, a central portion of the bottom portion on the tip side. Is formed. From this mouth part 512, the liquid 100 is discharged
- the vial 600 has a container main body 610 in which the medicine 200 is housed, and a plug 620 that closes the opening of the container main body 610. Sex is preserved.
- the internal space of the container body 610 constitutes a medicine storage section 630 that stores the medicine 200.
- the drug 200 is not particularly limited, and examples thereof include blood preparations such as dried human blood coagulation factor VIII, hormone preparations such as insulin preparations, and antiviral agents such as interferon preparations.
- the form of the drug 200 is not particularly limited, and examples thereof include solids such as solids (tablets, granules, freeze-drying agents, etc.), powders (such as powders), and liquids (liquids, etc.). It is done.
- the constituent material of the container body 610 is not particularly limited, and examples thereof include various glasses and various resins.
- the plug 620 can be pierced by the hollow needle 349 of the second connection portion 34, and the constituent material thereof is not particularly limited, and examples thereof include various rubber materials and various thermoplastic elastomers. Examples include elastic materials.
- the vial 600 is connected to the second connection part 34 of the puncture needle integrated adapter 1 in which the winged needle 2 and the adapter 3 are connected and fixed as described above.
- the vial 600 is pushed into the holder 342 of the second connection portion 34 from the stopper 620 side.
- the hollow needle 349 of the second connection portion 34 penetrates the stopper 620 of the vial 600, and the inside of the vial 600 (medicine storage portion 630) and the storage space 321 communicate with each other through the hollow needle 349.
- the above-described filter is attached to the first connection portion 25 of the winged needle 2.
- the vial 600 and the puncture needle integrated adapter are installed by the filter member installed in the filter. Invasion of bacteria into 1 can be prevented.
- the mouth part 512 of the syringe 500 is connected to the first connection part 25 of the winged needle 2.
- the inside of the syringe 500 and the inside of the vial 600 are connected via the flow path in the puncture needle integrated adapter 1.
- the flow path in the puncture needle-integrated adapter 1 refers to the hollow portion of the first connection portion 25, the lumen of the tube 24, the hollow portion of the needle hub 22, and the puncture needle 21 in order from the syringe 500 side. It is composed of a lumen, an accommodation space 321, a lumen of the tubular portion 343, and a lumen of the hollow needle 349, and refers to a single flow path that allows transfer from any direction.
- the assembly of the puncture needle-integrated adapter 1, the connection between the first connection portion 25 and the syringe 500, and the connection between the second connection portion 34 and the vial 600 are not limited to the above order, and may be performed in any order. It may be performed simultaneously.
- the pusher 530 of the syringe 500 is pressed and moved in the distal direction, and the liquid 100 sealed in the syringe 500 is put into the vial 600 through the flow path in the puncture needle integrated adapter 1. Introduce and shake vial 600 several times. As a result, the drug 200 in the vial 600 is dissolved or diluted with the inflowing liquid 100, and the drug solution 300 is stored in the vial 600.
- the needle hub 22 is grasped with the other hand, and the puncture needle accommodating portion 32 and the needle hub 22 are bent between them. Rotate in opposite directions. As a result, the easily breakable portion 351 located between the puncture needle housing portion 32 and the needle hub 22 is threaded. At this time, the fingers of the one hand are hooked on the wings 331 and 332 protruding from the puncture needle housing portion 32, and the fingers of the other hand are hooked on the wings 231 and 232 protruding from the needle hub 22, It becomes easy to apply torque to the easily breakable portion 351, and the above-described operation can be performed smoothly.
- the vial 600 is connected to a portion of the adapter 3 that is located on the distal end side relative to the easily breakable portion 351, that is, the puncture needle accommodating portion 32 (including the wings 331 and 332) and the second connecting portion 34.
- the puncture needle 21 is pulled out of the accommodation space 321.
- the puncture needle 21 is exposed to the outside.
- the needle tip of the puncture needle 21 is punctured into the target site, and the drug solution 300 in the syringe 500 is administered. That is, the pusher 530 is moved while being pushed in the distal direction. As a result, the drug solution 300 in the syringe 500 is discharged from the syringe 500, flows out of the puncture needle 21 through the tube 24 and the needle hub 22, and is administered.
- the puncture needle 21 is removed.
- the distal end portion 71 grasping the distal end portion 71 with one hand and grasping the proximal end portion 72 with the other hand, by rotating at least one of the distal end portion 71 and the proximal end portion 72 so as to twist with respect to many directions,
- the easy-to-break part 8 located between them is twisted off. Thereby, as shown in FIG. 8, it isolate
- the syringe 500 and the vial 600 are connected to each other, and after manufacturing the drug solution 300, the adapter 3 is separated to expose the puncture needle 21.
- the puncture needle 21 can be punctured into the living body. That is, a state in which the puncture needle 21 can be punctured into a living body without performing a complicated procedure such as removing a predetermined instrument from each instrument and attaching a replacement instrument during use, as in the past. It becomes. Therefore, the puncture needle integrated adapter 1 (adapter 3) can exhibit excellent operability.
- FIG. 9 is a perspective view showing a winged needle included in the second embodiment of the puncture needle integrated adapter of the present invention.
- the puncture needle integrated adapter of the present embodiment will be described, but the description will focus on differences from the puncture needle integrated adapter of the first embodiment, and description of similar matters will be omitted.
- the puncture needle integrated adapter of the present embodiment is the same as the puncture needle integrated adapter of the first embodiment except that the configuration of the connecting member of the winged needle tube is different.
- the connecting member 7A of the present embodiment includes a distal end portion 71A connected to the distal end side tube 241, a proximal end portion 72A connected to the proximal end side tube 242, and the distal end portion 71A and the proximal end.
- the intermediate portion 73A has a thin portion 73Aa that is thinner than the distal end portion 71A and the base end portion 72A, and the thin portion 73Aa constitutes the easily breakable portion 8A.
- the thin portion 73Aa is formed by forming a substantially V-shaped groove 73Ab over the entire outer periphery of the intermediate portion 73A.
- Such a breakable portion 8A is broken by, for example, holding the distal end portion 71A with one hand and holding the proximal end portion 72A with the other hand and bending at least one of them with respect to the other. .
- the easily breakable portion 8A can be easily broken, and the winged needle 2 can be separated into the first portion 8a and the second portion 8b.
- the thin portion 73Aa (easy breakable portion 8A) is preferably made of a relatively hard material. Thereby, the intensity
- the distal end portion 71A, the proximal end portion 72A, and the intermediate portion 73A are integrally formed.
- These constituent materials, that is, constituent materials of the connecting member 7A include, for example, polyvinyl chloride, polyethylene, polypropylene, cyclic polyolefin such as cyclic olefin homopolymer (COP) and cyclic olefin copolymer (COC), polystyrene, and the like.
- Polycarbonate acrylic resin, acrylonitrile-butadiene-styrene copolymer, polyester such as polyethylene terephthalate, polyethylene naphthalate, butadiene-styrene copolymer, polyamide (for example, nylon 6, nylon 6,6, nylon 6,10, Various resins such as nylon 12) can be mentioned.
- the puncture needle integrated adapter according to the present invention has been described based on the illustrated embodiment. However, the present invention is not limited to this, and the configuration of each part is an arbitrary configuration having the same function. Can be substituted. In addition, any other component may be added to the present invention.
- the separable part has been described as being formed of a thin and weakened easily breakable part. However, if the distal end side and the proximal end side of the separable part can be separated, the separable part can be separated.
- the structure of the part is not particularly limited, for example, a soft part made of a softer material than these is formed between the puncture needle housing part and the cylindrical fixing part, and this soft part is used as a separable part. Also good.
- the form in which the separable part is formed between the puncture needle housing part and the cylindrical fixing part has been described.
- the puncture needle can be exposed. It is not particularly limited, and for example, it may be formed in the middle of the cylindrical fixing portion (a position not overlapping with the needle hub), or may be formed in the middle of the puncture needle housing portion.
- the puncture needle integrated adapter has been described as a combination of an adapter and a winged needle.
- the configuration of the puncture needle integrated adapter is not limited to this, for example, the adapter, The needle hub and the first connecting portion may be combined with an injection needle formed integrally without using a tube.
- a syringe is used as the liquid storage container and a vial is used as the drug storage container.
- the liquid storage container and the drug storage container are not particularly limited, and for example, a soft container such as an infusion bag, respectively. Etc. may be used.
- channel is formed over the perimeter of the outer periphery of the intermediate part of a connection member, and, thereby, the thin part (breakable part) provided over the perimeter of the intermediate part
- the thin-walled portion may not be formed over the entire circumference of the intermediate portion, and may be formed only in a part of the intermediate portion in the circumferential direction.
- the configuration of the tube is not limited to this and is not separated.
- the connecting member does not have a thin portion, and the distal end portion and the proximal end portion are formed as separate bodies, and are fixed to the tube side by side by bonding with an adhesive or the like.
- tip part and a base end part has comprised the fracture
- the distal end portion is grasped with one hand and the proximal end portion is grasped with the other hand, and at least one of the distal end portion and the proximal end portion is rotated to be twisted with respect to the other.
- the easily breakable portion can be twisted, that is, the tube itself can be broken.
- the puncture needle assembly can be separated into the first part and the second part.
- the distal end portion and the base end portion are preferably fixed to the tube with a slight gap so that the easily breakable portion can be easily deformed when the easily breakable portion is twisted.
- the puncture needle to the living body can be removed simply by separating the distal end side from the proximal end side with respect to the separable portion and exposing the puncture needle. It can be in a state where puncture is possible. That is, as in the past, during use, a predetermined instrument is removed from each instrument and a puncture needle can be punctured into a living body without performing a complicated procedure such as attaching a replacement instrument. Become. Therefore, excellent operability can be exhibited.
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Abstract
Description
先端に生体に穿刺可能な針先と両端に開口した内部通路とを有する穿刺針と
前記穿刺針の針先が先端側から突出するように前記穿刺針を支持する針ハブと、
前記針ハブの基端側に設けられ、前記液体収納容器に接続することにより、前記液体収納部と前記内部通路とを液密に接続する第1の接続部と、
前記針ハブの先端側に設けられ、前記針ハブを固定する筒状固定部と、
前記筒状固定部の先端側に前記筒状固定部と一体に設けられ、内部に前記穿刺針を収容する収容空間を有する筒状の穿刺針収容部と、
前記穿刺針収容部の先端側に前記収容空間と連通して設けられ、前記薬剤収納容器に接続することにより、前記薬剤収納部と前記内部通路とを液密に接続する第2の接続部と、
前記筒状固定部と前記穿刺針収容部との間に形成され、それよりも先端側を基端側に対して分離可能であり、分離によって前記穿刺針を露出させる分離可能部とを備えた穿刺針一体型アダプタである。
前記第2の接続部に前記薬剤収納容器が接続され、前記第1の接続部に前記シリンジが接続された状態にて、
前記シリンジを操作して、前記液体を、前記穿刺針、前記収容空間および前記第2の接続部を介して前記薬剤収納部に移送し、前記液体と前記薬剤との混合物である薬液を得、
前記シリンジを操作して、前記薬液を前記第2の接続部、前記収容空間および前記穿刺針を介して前記シリンジ内に吸入し、
前記分離可能部よりも先端側の部位を前記薬剤収納容器とともに、前記分離可能部よりも基端側の部位から分離することにより、前記穿刺針を露出させるように用いられるのが好ましい。
まず、本発明の穿刺針一体型アダプタの第1実施形態について説明する。
図1および図2に示すように、翼状針2は、両端に開口した内部通路を有する穿刺針21と、穿刺針21を支持・固定する針ハブ22と、針ハブ22に設けられた一対の翼(突出部)231、232と、針ハブ22の基端部に接続されたチューブ24と、チューブ24の基端部に接続された第1の接続部25とで構成されている。
図1および図2に示すように、アダプタ3は、針ハブ22に固定される筒状固定部31と、筒状固定部31の先端側に設けられた穿刺針収容部32と、穿刺針収容部32に設けられた一対の翼331、332と、穿刺針収容部32の先端側に設けられた第2の接続部34と、筒状固定部31と穿刺針収容部32との間に設けられた分離可能部35とで構成されている。
穿刺針収容部32は、筒状であり、内部に収容空間321を有している。図2に示すように、アダプタ3が翼状針2に固定された状態では、収容空間321内に穿刺針21が収容される。これにより、アダプタ3によって穿刺針21が保護され、穿刺針21の破損や、穿刺針21の汚染を防止することができる。
穿刺針収容部32には、互いに反対側へ突出する一対の翼(突出部)331、332が設けられている。各翼331、332は、平板状をなしている。また、各翼331、332は、比較的硬質で、変形し難く構成されているのが好ましい。翼331、332は、指を引っ掛けるツマミとして機能し、この翼331、332に指を引っ掛けることで、穿刺針収容部32をその周方向に回転させ易くなり、後述する使用方法で述べるように、アダプタ3の操作性が向上する。
穿刺針収容部32の基端側には、筒状の筒状固定部31が設けられている。筒状固定部31は、アダプタ3を翼状針2に接続・固定する機能を有している。このような筒状固定部31は、基端側に開口する開口部311を有している。開口部311は、針ハブ22よりも若干小さい径を有しており、この開口部311に針ハブ22を嵌入することにより、筒状固定部31が針ハブ22に液密的に固定される。
穿刺針収容部32と筒状固定部31との間には、分離可能部35が形成されている。アダプタ3では、分離可能部35を境に、その基端側と先端側とを分離することができる。すなわち、筒状固定部31と、穿刺針収容部32とを分離することができる。
穿刺針収容部32の先端側には、第2の接続部34が設けられている。第2の接続部34は、アダプタ3をバイアル(薬剤収納容器)600と接続する機能を有している。このような第2の接続部34は、本体部341と、後述するバイアル600の栓体620を刺通可能な中空針(挿入部)349とを有している。
次いで、本発明の穿刺針一体型アダプタの第2実施形態について説明する。
Claims (6)
- 薬剤を収納する薬剤収納空間を有する薬剤収納容器と、前記薬剤を溶解または希釈するための液体を収納する液体収納空間を有する液体収納容器とを接続するためのアダプタであって、
先端に生体に穿刺可能な針先と両端に開口した内部通路とを有する穿刺針と
前記穿刺針の針先が先端側から突出するように前記穿刺針を支持する針ハブと、
前記針ハブの基端側に設けられ、前記液体収納容器に接続することにより、前記液体収納部と前記内部通路とを液密に接続する第1の接続部と、
前記針ハブの先端側に設けられ、前記針ハブを固定する筒状固定部と、
前記筒状固定部の先端側に前記筒状固定部と一体に設けられ、内部に前記穿刺針を収容する収容空間を有する筒状の穿刺針収容部と、
前記穿刺針収容部の先端側に前記収容空間と連通して設けられ、前記薬剤収納容器に接続することにより、前記薬剤収納部と前記内部通路とを液密に接続する第2の接続部と、
前記筒状固定部と前記穿刺針収容部との間に形成され、それよりも先端側を基端側に対して分離可能であり、分離によって前記穿刺針を露出させる分離可能部とを備えた穿刺針一体型アダプタ。 - 前記液体収納容器はシリンジであり、
前記第2の接続部に前記薬剤収納容器が接続され、前記第1の接続部に前記シリンジが接続された状態にて、
前記シリンジを操作して、前記液体を、前記穿刺針、前記収容空間および前記第2の接続部を介して前記薬剤収納部に移送し、前記液体と前記薬剤との混合物である薬液を得、
前記シリンジを操作して、前記薬液を前記第2の接続部、前記収容空間および前記穿刺針を介して前記シリンジ内に吸入し、
前記分離可能部よりも先端側の部位を前記薬剤収納容器とともに、前記分離可能部よりも基端側の部位から分離することにより、前記穿刺針を露出させるように用いられる請求項1に記載の穿刺針一体型アダプタ。 - 前記分離可能部は、その周囲よりも容易に破断可能な破断容易部で構成されている請求項1に記載の穿刺針一体型アダプタ。
- 前記破断容易部より先端側と基端側の少なくとも一方を他方に対して周方向に回転させることにより、前記破断容易部が破断する請求項3に記載の穿刺針一体型アダプタ。
- 前記穿刺針収納部には、外方へ突出する突出部が設けられている請求項1に記載の穿刺針一体型アダプタ。
- 前記針ハブには、外方へ突出する突出部が設けられている請求項1に記載の穿刺針一体型アダプタ。
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JP2013505906A JP5977734B2 (ja) | 2011-03-18 | 2012-03-13 | 穿刺針一体型アダプタおよび穿刺針一体型アダプタの使用方法 |
US14/005,110 US9387150B2 (en) | 2011-03-18 | 2012-03-13 | Integrated puncture needle adapter |
EP20120760147 EP2687199B1 (en) | 2011-03-18 | 2012-03-13 | Integrated puncture needle adapter |
CN201280013829.4A CN103429215B (zh) | 2011-03-18 | 2012-03-13 | 穿刺针一体型适配器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020523122A (ja) * | 2017-06-14 | 2020-08-06 | パク、ジョンウンPARK, Jong−Eun | 感染防止用の二重針付き注射器 |
JP6995317B2 (ja) | 2017-06-14 | 2022-01-14 | パク、ジョンウン | 感染防止用の二重針付き注射器 |
Also Published As
Publication number | Publication date |
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EP2687199B1 (en) | 2015-04-22 |
CN103429215B (zh) | 2015-04-22 |
EP2687199A4 (en) | 2014-01-22 |
US9387150B2 (en) | 2016-07-12 |
JPWO2012128115A1 (ja) | 2014-07-24 |
US20140005598A1 (en) | 2014-01-02 |
KR20140006950A (ko) | 2014-01-16 |
CN103429215A (zh) | 2013-12-04 |
EP2687199A1 (en) | 2014-01-22 |
KR101939858B1 (ko) | 2019-01-17 |
JP5977734B2 (ja) | 2016-08-24 |
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