WO2024048140A1 - Adaptateur médical - Google Patents

Adaptateur médical Download PDF

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Publication number
WO2024048140A1
WO2024048140A1 PCT/JP2023/027264 JP2023027264W WO2024048140A1 WO 2024048140 A1 WO2024048140 A1 WO 2024048140A1 JP 2023027264 W JP2023027264 W JP 2023027264W WO 2024048140 A1 WO2024048140 A1 WO 2024048140A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking
spike
communication
medical adapter
adapter according
Prior art date
Application number
PCT/JP2023/027264
Other languages
English (en)
Japanese (ja)
Inventor
佑 栗山
悠介 染谷
Original Assignee
テルモ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by テルモ株式会社 filed Critical テルモ株式会社
Publication of WO2024048140A1 publication Critical patent/WO2024048140A1/fr

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Classifications

    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/04—Access sites having pierceable self-sealing members
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M39/14—Tube connectors; Tube couplings for connecting tubes having sealed ends
    • 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

Definitions

  • the present disclosure relates to a medical adapter.
  • a medical adapter having two communication ports is known (for example, see Patent Document 1). With the spike part penetrating the stopper, the liquid in the container can be discharged from the container through the at least one communication port and the lumen of the spike part.
  • an object of the present disclosure is to provide a medical adapter that can easily suppress an increase in the amount of remaining liquid when used for a type of container with a small thickness of the plug.
  • One aspect of the present disclosure is as follows.
  • a spike portion capable of penetrating the stopper of the container in order to discharge the liquid from the container containing the liquid;
  • the spike part includes a communication part that communicates with the inner cavity of the spike part and includes at least one communication port for discharging the liquid, and the spike part is connected to the plug body in a state where the spike part penetrates the plug body.
  • a locking portion consisting of at least one locking convex portion protruding outward in the radial direction for stopping the movement of the plug in the withdrawal direction by contacting the inner surface of the plug body;
  • a medical adapter wherein at least a portion of the communicating portion is disposed on a distal side of the proximal end of the locking portion.
  • the communicating portion consists of a plurality of the communicating ports arranged side by side in the circumferential direction
  • the locking part consists of a plurality of the locking protrusions arranged side by side in the circumferential direction.
  • the communication port constituting the communication portion and the locking convex portion constituting the locking portion are both arranged at the tip of the spike portion. Medical adapter listed.
  • the spike portion has a straight body portion whose cross-sectional outline is constant in the axial direction, on the proximal end side of either the communication port forming the communication portion or the locking convex portion forming the locking portion.
  • the medical adapter according to any one of [1] to [5], comprising:
  • each of the locking protrusions constituting the locking portion has a tapered distal end surface that slopes radially outward toward the proximal end.
  • the spike part has a straight body part whose cross-sectional outline is constant in the axial direction of the spike part,
  • the medical adapter according to any one of [1] to [8], comprising a closed connector portion having a lumen communicating with the lumen of the spike portion.
  • FIG. 2 is a partially sectional side view showing a state in which the spike portion of the medical adapter according to one embodiment penetrates the stopper of the container.
  • FIG. 2 is a partially sectional side view showing a state in which the spike portion is moved toward the proximal end side and locked with respect to the stopper from the state shown in FIG. 1 .
  • FIG. 2 is a partially sectional side view showing another example of the medical adapter in the state shown in FIG. 1;
  • a medical adapter 1 includes a spike portion 5 that can penetrate a stopper 4 of a container 3 to discharge liquid 2 from a container 3 containing the liquid 2. , a closed female connector part 6 having a lumen communicating with the lumen of the spike part 5, and an adapter body 7 connecting the proximal end of the spike part 5 and the connector part 6.
  • the container 3 is an infusion container that stores an infusion liquid 2 such as a medicinal solution or physiological saline. Note that the container 3 is not limited to an infusion container, and may be, for example, a container for storing a drug solution for injection.
  • the container 3 has a container body 8 having an opening 8a, and a stopper 4 that closes the opening 8a.
  • the container body 8 and the stopper 4 define a sealed internal space 9 inside the container 3 that accommodates the liquid 2 .
  • the plug body 4 has a planned penetration portion 4a that can be penetrated by the spike portion 5.
  • the plug body 4 has elasticity that can maintain the close contact state between the outer peripheral surface of the spike part 5 and the planned penetration part 4a in a state where the spike part 5 penetrates the planned penetration part 4a.
  • the plug body 4 is made of rubber or elastomer, for example.
  • the spike portion 5 protrudes from the adapter main body 7 and has a hollow rod shape with a sharp tip portion 5a.
  • the spike part 5 is inserted into the stopper 4 from the tip, and after passing through the stopper 4, it is movable with respect to the stopper 4 in the withdrawal direction that is the opposite direction to the insertion direction.
  • the direction along the central axis O along the longitudinal direction of the spike portion 5 is referred to as the axial direction
  • the direction from the base end of the spike portion 5 to the distal end along the axial direction is referred to as the insertion direction
  • the direction perpendicular to the central axis O is referred to as the insertion direction. This is called the radial direction
  • the direction around the central axis O is called the circumferential direction.
  • the spike part 5 has a communication part 11 consisting of at least one communication port 10 for discharging the liquid 2 that communicates with the inner cavity of the spike part 5, and a communication part 11 that is connected to the plug body 4 in a state where the spike part 5 penetrates the plug body 4.
  • a lock consisting of at least one locking convex portion 12 projecting outward in the radial direction for stopping the movement of the spike portion 5 in the withdrawal direction by contacting the inner surface 4b of the stopper 4 as shown in FIG. 13.
  • the communication part 11 consists of two communication ports 10, and the locking part 13 consists of two locking protrusions 12.
  • Each of the communication ports 10 is formed as a side hole that penetrates the outer peripheral portion of the spike portion 5 in the radial direction and is elongated in the axial direction, and the tip of the communication port 10 is disposed closer to the base end than the sharp tip of the spike portion 5. be done.
  • the communication portion 11 only needs to have a structure consisting of at least one communication port 10
  • the locking portion 13 only needs to have a structure consisting of at least one locking convex portion 12 .
  • the communication portion 11 may be configured to include three or more communication ports 10, and the locking portion 13 may be configured to include three or more locking protrusions 12.
  • the communication portion 11 is composed of a plurality of communication ports 10 arranged side by side in the circumferential direction.
  • the locking portion 13 includes a plurality of locking convex portions 12 arranged side by side in the circumferential direction.
  • the communication ports 10 and the locking protrusions 12 are arranged alternately in the circumferential direction. More specifically, the communication part 11 has two communication ports 10 arranged at the same axial position and shifted by 180 degrees in the circumferential direction, and the locking part 13 has two communication ports 10 arranged at the same axial position and shifted from each other by 180 degrees. It has two locking protrusions 12 that are arranged 180 degrees apart in the circumferential direction, and the communication port 10 and the locking protrusions 12 are arranged 90 degrees apart in the circumferential direction.
  • the communication part 11 has three communication ports 10 arranged at the same position in the axial direction and shifted by 120 degrees in the circumferential direction
  • the locking part 13 has It is also possible to have three locking protrusions 12 disposed at the same position and offset by 120° from each other in the circumferential direction, and the communication port 10 and the locking protrusion 12 may be arranged offset by 60° in the circumferential direction.
  • Both the communication port 10 forming the communication portion 11 and the locking convex portion 12 forming the locking portion 13 are arranged at the tip portion 5a of the spike portion 5.
  • Each of the locking convex portions 12 constituting the locking portion 13 has a tapered tip side end surface 12a that slopes radially outward toward the base end side.
  • the tapered tip side end surface 12a allows the spike portion 5 to easily penetrate the plug body 4.
  • the base end 13a of the locking portion 13 protrudes from the outer peripheral portion of the spike portion 5 perpendicularly to the central axis O. By vertically protruding the base end 13a, it reliably abuts and gets caught on the inner surface 4b of the plug body 4.
  • the spike part 5 has a straight body part 5b whose cross-sectional outline is constant in the axial direction, on the proximal end side of both the communication port 10 forming the communication part 11 and the locking convex part 12 forming the locking part 13. has.
  • the spike portion 5 can be locked to the inner surface 4b of the plug 4 by moving the spike portion 5 in the removal direction relative to the plug 4 until it comes into contact with the inner surface 4b of the plug 4 and is caught.
  • At least a portion of the communication portion 11 is disposed on the distal side of the proximal end 13a of the locking portion 13. More specifically, the entire communicating portion 11 is disposed closer to the distal end than the proximal end 13a of the locking portion 13.
  • the communicating part 11 is disposed on the distal side of the proximal end 13a of the locking part 13, so that the spike part 5 is locked to the inner surface 4b of the stopper 4 (that is, the state in which the spike part 5 is locked to the inner surface 4b of the stopper 4)
  • the internal space 9 of the container 3 communicates with the inner cavity of the spike portion 5 via the communication portion 11. Therefore, by connecting the male connector of the infusion line to the connector part 6, the liquid 2 in the container 3 can be discharged from the container 3 through the medical adapter 1 and supplied to a living body such as a human body through the infusion line.
  • the connector portion 6 of the medical adapter 1 is not limited to a female type, and may be configured to be a male type.
  • the liquid 2 By configuring the liquid 2 to be discharged while the spike portion 5 is locked to the inner surface 4b of the stopper 4 as described above, the liquid 2 can be discharged from various containers 3 having different thicknesses of the stopper 4. It is possible to suppress variations in the positional relationship between the inner surface 4b of the plug body 4 and the communication portion 11 at the time. Therefore, it is possible to easily suppress an increase in the amount of remaining liquid when the medical adapter 1 is used for a type of container 3 in which the thickness of the stopper 4 is small.
  • the communication port 10 and the locking convex portion 12 are arranged side by side in the circumferential direction, the position of the communication portion 11 when discharging the liquid 2 is close to the inner surface 4b of the plug body 4, so that no liquid remains. The amount can be easily controlled.
  • the entire communication portion 11 is disposed on the distal side of the proximal end 13a of the locking portion 13, the communication portion By locating a portion of the stopper 11 on the outer side of the inner surface 4b of the stopper 4, leakage of the liquid 2 can be easily suppressed when the stopper 4 is thin.
  • both the communication port 10 forming the communication part 11 and the locking protrusion 12 forming the locking part 13 are arranged at the tip 5a of the spike part 5, so from this point as well, The position of the communication portion 11 when discharging the liquid 2 is close to the inner surface 4b of the plug body 4, and as a result, the remaining amount of liquid can be easily suppressed. Furthermore, the overall length of the spike portion 5 can be suppressed, making it easier to realize compactness.
  • the medical adapter 1 since the medical adapter 1 has the closed type connector part 6, safety can be easily ensured, especially when a radiation-prone chemical solution such as an anti-cancer drug is used as the liquid 2. Can be done. Moreover, the effect of suppressing the leakage of the liquid 2 described above is particularly effective when such a chemical liquid that is exposed to radiation is used.
  • the length of each of the locking convex portions 12 forming the locking portion 13 is longer than the length of any of the communication ports 10 forming the communication portion 11. As shown in the example shown in FIG. It is also possible to have a shorter configuration. According to the above configuration, the stroke of the spike part 5 with respect to the plug body 4 required for the locking convex part 12 to pass through the plug body 4 becomes shorter, so the resistance when the spike part 5 penetrates the plug body 4 is reduced. can reduce the burden on the procedure.
  • the spike part 5 has a straight body part 5b whose cross-sectional outline is constant in the axial direction of the spike part 5, and each of the locking protrusions 12 constituting the locking part 13 has a straight body part 5b. It protrudes radially outward from 5b.
  • the length of each axial locking convex portion 12 constituting the locking portion 13 can be made shorter, so that the above-mentioned resistance can be further reduced, and the burden of the procedure can be further reduced.
  • each of the locking protrusions 12 constituting the locking portion 13 projects radially outward from the straight body portion 5b. According to the above configuration, the length of each axial locking convex portion 12 constituting the locking portion 13 can be further reduced, thereby further reducing the above-mentioned resistance and further reducing the burden on the procedure. It can be reduced.
  • the medical adapter 1 has the spike portion 5 that can penetrate the stopper 4 of the container 3 in order to discharge the liquid 2 from the container 3 containing the liquid 2.
  • a communication part 11 consisting of at least one communication port 10 for discharging the liquid 2 communicating with the inner cavity of the spike part 5;
  • It has a locking part 13 consisting of at least one locking convex part 12 protruding radially outward for stopping movement in the removal direction by contacting the inner surface 4b of the plug body 4, and the communication part 11
  • the medical adapter 1 is such that at least a portion of the locking portion 13 is disposed on the distal side of the proximal end 13a of the locking portion 13.
  • the medical adapter 1 may be configured without the closed connector part 6.
  • the locking convex portion 12 is not limited to the configuration having the tapered tip side end surface 12a.
  • the spike portion 5 is not limited to a configuration in which the entire communicating portion 11 is disposed closer to the distal end than the proximal end 13a of the locking portion 13.
  • the spike portion 5 is not limited to the structure having the straight body portion 5b.
  • the spike portion 5 is not limited to a configuration in which both the communication port 10 forming the communication portion 11 and the locking convex portion 12 forming the locking portion 13 are arranged at the tip portion 5a of the spike portion 5.
  • the spike portion 5 is not limited to a configuration in which the communication port 10 and the locking convex portion 12 are arranged side by side in the circumferential direction.

Abstract

L'adaptateur médical de l'invention comporte une partie de pointe qui peut pénétrer dans le bouchon d'un récipient, le récipient logeant un liquide, pour drainer le liquide du récipient. La partie de pointe comporte une partie de communication comprenant au moins un orifice de communication, l'orifice de communication étant en communication avec la lumière de la partie de pointe pour drainer le liquide, et une partie de verrouillage comprenant au moins une saillie de verrouillage, la saillie de verrouillage faisant saillie radialement vers l'extérieur pour stopper le mouvement de la partie de pointe dans la direction d'extraction du bouchon en entrant en contact avec la surface interne du bouchon, dans un état où la partie de pointe pénètre dans le bouchon. Au moins une partie de la partie de communication est positionnée du côté de la pointe à partir de l'extrémité de la base de la partie de verrouillage.
PCT/JP2023/027264 2022-09-02 2023-07-25 Adaptateur médical WO2024048140A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2022-140383 2022-09-02
JP2022140383 2022-09-02
JP2023-080935 2023-05-16
JP2023080935 2023-05-16

Publications (1)

Publication Number Publication Date
WO2024048140A1 true WO2024048140A1 (fr) 2024-03-07

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ID=90099556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/027264 WO2024048140A1 (fr) 2022-09-02 2023-07-25 Adaptateur médical

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Country Link
WO (1) WO2024048140A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002306610A (ja) * 2001-02-09 2002-10-22 Fukai Kogyo Kk 薬液等注入抽出口用シール弁
JP2004008633A (ja) * 2002-06-10 2004-01-15 Shimizu Pharmaceutical Co Ltd 液体導入針と口栓との突き刺し構造及び液体導入針
JP2014144029A (ja) * 2013-01-25 2014-08-14 Inter Medic Co Ltd 両頭針付き溶解液容器
WO2016153003A1 (fr) * 2015-03-26 2016-09-29 テルモ株式会社 Aiguille creuse en résine médicale, cylindre externe pourvu d'une partie de ponction, et seringue pré-remplie

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002306610A (ja) * 2001-02-09 2002-10-22 Fukai Kogyo Kk 薬液等注入抽出口用シール弁
JP2004008633A (ja) * 2002-06-10 2004-01-15 Shimizu Pharmaceutical Co Ltd 液体導入針と口栓との突き刺し構造及び液体導入針
JP2014144029A (ja) * 2013-01-25 2014-08-14 Inter Medic Co Ltd 両頭針付き溶解液容器
WO2016153003A1 (fr) * 2015-03-26 2016-09-29 テルモ株式会社 Aiguille creuse en résine médicale, cylindre externe pourvu d'une partie de ponction, et seringue pré-remplie

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