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WO2025078367A1 - Dispositif de dosage comprenant des parties de boîtier qui sont reliées de manière fonctionnelle pendant un processus de déplacement - Google Patents

Dispositif de dosage comprenant des parties de boîtier qui sont reliées de manière fonctionnelle pendant un processus de déplacement Download PDF

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Publication number
WO2025078367A1
WO2025078367A1 PCT/EP2024/078267 EP2024078267W WO2025078367A1 WO 2025078367 A1 WO2025078367 A1 WO 2025078367A1 EP 2024078267 W EP2024078267 W EP 2024078267W WO 2025078367 A1 WO2025078367 A1 WO 2025078367A1
Authority
WO
WIPO (PCT)
Prior art keywords
cannula
housing
infusion
dosing device
insertion mechanism
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/EP2024/078267
Other languages
German (de)
English (en)
Inventor
Thomas Bragagna
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tripenso Ag
Original Assignee
Tripenso Ag
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 Tripenso Ag filed Critical Tripenso Ag
Publication of WO2025078367A1 publication Critical patent/WO2025078367A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • 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
    • 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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • A61M2005/14252—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion means
    • 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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M2005/14268—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body with a reusable and a disposable component
    • 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
    • A61M2005/1581—Right-angle needle-type devices
    • 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
    • A61M2005/1583—Needle extractors
    • 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
    • A61M2005/1585—Needle inserters

Definitions

  • Dosing devices and in particular infusion pumps, have been known for the treatment of diabetes mellitus since the 1970s. These pumps usually deliver a fluid that includes water, excipients, and the peptide (hormone) insulin. Sometimes such infusion pumps also deliver other fluids. Over the years, such insulin-containing infusion pumps have been able to outperform the The dimensions of a hitchhiker's backpack have been reduced to the currently most compact infusion pump (Omnipod® by Insulet, Acton, MA, USA) of 52 x 39 x 14 mm.
  • Omnipod® by Insulet, Acton, MA, USA
  • the receiving cannula end When use, when the infusion pump is to be removed from the infusion receiver, the receiving cannula end must be withdrawn from the tissue of the infusion receiver.
  • the cannula insertion mechanism and the receiving end of the cannula in the known infusion pump can be returned to their original state or position via a separate drive with an actuator.
  • the drive is designed to generate an electrical charge that causes a shape memory element to contract.
  • the drive can also comprise a piezoelectric actuator or a solenoid.
  • the invention is based on the object of developing known infusion pumps in such a way that, in terms of wearing comfort and thus in terms of energy efficiency, Compactness, weight and ease of use, improved dosing device is provided.
  • the dosing device for the preferably subcutaneous administration of a fluid, comprising a housing, a reservoir container with a container interior for receiving the fluid and a cannula arrangement,
  • the cannula assembly comprises a cannula insertion mechanism and an infusion cannula having a container-side cannula end and a receiver-side cannula end on which a cannula tip is formed,
  • the reservoir container is designed in the shape of a hollow cylinder or a hollow ovoid with a first longitudinal extent along a central axis of the reservoir container, wherein the housing has a second longitudinal extent, wherein the second longitudinal extent is aligned along the first longitudinal extent or substantially parallel to the first longitudinal extent, wherein the second longitudinal extent is aligned with a longitudinal axis of a Cartesian coordinate system and the dosing device has a longer longitudinal extent than the second longitudinal extent neither in the direction of a transverse axis nor in the direction of a normal axis of the Cartesian coordinate system.
  • the assembly movement for producing an assembled state of the dosing device comprises a movement vector for bringing the housing parts together with a substantial portion parallel to the second longitudinal extension of the housing.
  • the maximum longitudinal extension of the dosing device can also be can be exploited to allow for the greatest possible movement during assembly or disassembly of the dosing device.
  • a clamping mechanism that is to be tightened in this way can utilize as much kinetic energy as possible, or, for example, the largest possible contact area can be contacted or utilized for electrical contact.
  • This initial state can, for example, represent a needle insertion mechanism ready for insertion, with the transition to the actuation state can be initiated by a further event or measure, for example by a manual interaction by a user.
  • the displacement of the two housing parts relative to one another is or comprises a, in particular linear, displacement of the two housing parts relative to one another, preferably that the displacement comprises a directional component which runs parallel or orthogonal to the housing underside.
  • the two housing parts are designed as a disposable housing part and as a reusable housing part, preferably that the reservoir container, the plaster for adhering to the body and the infusion cannula, in particular also the housing section with the inclined contact surface, are mounted on the disposable housing part, which preferably together form a pre-assembled disposable unit, and/or that the cannula insertion mechanism and/or the insertion device, in particular also the return member and/or a drive source, in particular a drive motor, and optionally further drive elements, are mounted on the reusable housing part, which preferably together form a pre-assembled reusable unit.
  • the infusion cannula to automatically perform a return movement so that the receiving end of the cannula is released from the tissue. Separate drives or No mechanisms are required for this. However, it is also conceivable that the infusion cannula performs the return movement in a driven manner, particularly spring-driven.
  • the infusion pump has two or more reservoir containers, each with a container interior which is designed, in particular at least in one section, to receive a fluid.
  • the cannula arrangement has two or more infusion cannulas, each of which is assigned to a respective one of the reservoir containers, and, in particular, a cannula insertion mechanism for each infusion cannula.
  • the proposed infusion pump may have not only a single reservoir, but two or more. Accordingly, two or more infusion cannulas and/or cannula insertion mechanisms may also be provided. Larger amounts of a fluid or different fluids can be administered in a simple manner.
  • the infusion pump has, as an energy source, a primary or secondary battery, in particular one that can be removed individually, preferably that the energy source is part of the disposable unit.
  • the infusion pump has a user interface with a display and/or with a control unit, which may have one or more buttons, preferably the user interface is part of the reusable unit.
  • Fig. 1 an infusion pump a) arranged on the upper arm of the infusion recipient and b) in a perspective top view and c) in a perspective bottom view;
  • Fig. 2 a perspective view of an infusion pump in the opened state, divided into two housing parts, with correspondingly assigned functional components;
  • a dosing device 32 illustrated in Figs. 1 to 3 relates to a portable infusion pump 1 for administering a defined amount of a fluid, in particular an infusion solution.
  • a portable infusion pump 1 for administering a defined amount of a fluid, in particular an infusion solution.
  • the cannula insertion mechanism 5 when actuated from its initial state 8, axially loads the infusion cannula 4, in particular by introducing a force into a beam or a spring rod, which in turn introduces an axial force into an axial section of the infusion cannula 4, so that the receiver-side cannula end 7 is displaced from the initial position 10 into the puncture position 11, in particular suddenly.
  • the radial loading variant will be discussed exclusively below, the corresponding explanations also apply accordingly to the axial loading variant.
  • the infusion pump 1 has a multi-part housing 13 for receiving the reservoir container 2 and the cannula arrangement 3.
  • radial relief means that the infusion cannula 4 is subjected to less radial stress in this state by the cannula insertion mechanism 5 than in the actuated state 9, so that the cannula insertion mechanism 5 no longer holds the infusion cannula 4 with its receiving-side cannula end 7 in the insertion position 11 or blocks it from retracting. Accordingly, axial relief means that the infusion cannula 4 is subjected to less axial stress in this state by the cannula insertion mechanism 5 than in the actuated state 9. As can be seen from Fig.
  • the state in which the cannula insertion mechanism 5 radially relieves the infusion cannula 4 is the initial state 8 of the cannula insertion mechanism 5, preferably that the cannula insertion mechanism 5 completely radially relieves the infusion cannula 4 in the initial state 8.
  • the cannula insertion mechanism 5 can then be returned to its initial state 8 by another measure, for example another mechanism, in particular by displacing the two housing parts 20, 23 relative to one another in a different, preferably opposite, direction.
  • another measure for example another mechanism, in particular by displacing the two housing parts 20, 23 relative to one another in a different, preferably opposite, direction.
  • a displacement of two other housing parts of the housing 13 or one of the housing parts 20, 23 and another housing part of the housing 13 relative to one another is also conceivable in order to return the cannula insertion mechanism 5 from the intermediate state to the initial state 8.
  • the displacement of the respective two housing parts 20, 23 relative to one another takes place in an assembly movement in which the two housing parts 20, 23 are connected to one another and/or the housing 13 is closed.
  • this displacement can also take place in one or the disassembly movement in which the two housing parts 20, 23 are detached from each other.
  • the infusion cannula 4 is still subjected to radial loading, but no longer in such a way that it would still be held or blocked in the insertion position 11 by its receiving-side cannula end 7.
  • the receiving-side cannula end 7 is then already completely retracted into the housing 13, i.e., no longer protrudes from it.
  • the infusion cannula 4 in particular when it is inserted into the tissue of the infusion receiver 12, automatically carries out a return movement by which the receiver-side cannula end 7 is moved back from the puncture position 11 to the initial position 10, in particular up to the initial position 10.
  • the infusion cannula 4 instead of an automatic return movement, it is also conceivable for the infusion cannula 4 to perform a driven return movement, i.e., be moved back by a separate return device, for example, a spring.
  • a separate return device for example, a spring.
  • the infusion cannula 4 in particular in a central cannula section, has a correspondingly high flexural strength and/or flexural rigidity.
  • the reinforcement described above is provided, as shown in Fig. 3, by a sheath or material reinforcement of the central cannula section and thus ensures for increased flexural strength and/or flexural rigidity in this area of the infusion cannula 4.
  • the force is introduced from the injection actuator 14 onto the infusion cannula 4 in the form of a pivotably mounted injection lever 15.
  • the force can be introduced from the injection actuator 14 onto the infusion cannula 4 alternatively in the form of a linearly movable injection part.
  • the firing actuator 14, here the firing lever 15, is initially mechanically locked in its initial position 16 in a preloaded, in particular spring-loaded, state against movement toward its actuating position 17.
  • the locking is provided by a locking device, in particular a mechanically or electrically triggerable one.
  • the locking device accordingly has a locking cam 18, shown in Fig. 3 and thus preferred.
  • the preload is provided here, and preferably, as shown in Fig. 3, by a spring element designed as a leg spring.
  • the spring element can also be designed as a compression or tension spring.
  • the injection actuator 14, here the injection lever 15, can be designed in several parts, in particular with two arms running in parallel planes, wherein one part or arm interacts with the locking device and the other part or arm interacts with the infusion cannula 4 as described.
  • the cannula insertion mechanism 5 is returned from its actuated state 9 to its initial state 8 by moving the insertion actuator 14 from its actuated position 17 to its initial position 16.
  • the injection actuator 14 can only be returned to an intermediate position, which corresponds to the intermediate state of the cannula injection mechanism 5, and not to the initial position by the relative movement of the two housing parts 20, 23, wherein in this intermediate position the infusion cannula 4 is preferably no longer radially loaded by the injection actuator 14 or at least no longer significantly loaded, so that the infusion cannula 4 can return completely to its position in which the receiver-side cannula end 7 is again in the initial position 10 and/or to a position in which the receiver-side cannula end 7 is completely retracted into the housing 13.
  • the displacement preferably takes place along a direction that is orthogonal or almost orthogonal to the puncture direction, i.e. the direction of movement of the receiver-side cannula end 7.
  • the return member 19 is the component of the cannula insertion mechanism 5 that is adjusted by the relative movement of the two housing parts 20, 23 so that the cannula insertion mechanism 5 is returned.
  • this is the insertion actuator 14.
  • This therefore performs a dual function, namely, on the one hand, the insertion of the infusion cannula 4 and, on the other hand, the return of the cannula insertion mechanism 5.
  • "force-transmittingly coupled” means that the return member 19 can also be a separate element from the insertion actuator 14, for example a separate arm, and can be designed as a single piece with the insertion actuator 14 or is connected to it in a form-fitting, force-fitting, and/or material-fitting manner.
  • the respective housing-fixed arrangement can be seen in Fig. 3.
  • the housing section 22 with the inclined contact surface 21 is arranged on the lower housing part 20 here and preferably as an injection-molded web, and the return member 19 is arranged on the upper housing part 23 here and preferably as a pivotable lever.
  • the infusion pump 1 can be configured to deliver these fluids to the infusion receiver 12 simultaneously or independently of one another by appropriately controlling the drive source 24.
  • actuation always means an actuation initiated by a control device of the infusion pump 1.
  • the cannula arrangement 3 has two or more infusion cannulas 4, each of which is assigned to a respective one of the reservoir containers 2.
  • the infusion cannulas 4 can all be designed as proposed.
  • the infusion pump 1 preferably has a cannula insertion mechanism 5 for each infusion cannula 4.
  • a common cannula insertion mechanism 5 is provided, or, here and preferably, two or more cannula insertion mechanisms 5 are provided, namely preferably one per infusion cannula 4, which preferably all interact with the housing 13 in such a way that by displacing the two housing parts
  • the two housing parts 20, 23 are a disposable housing part 20 and a reusable housing part 23.
  • the reservoir container 2 and the infusion cannula 4 in particular also the housing section 22 with the inclined contact surface
  • the cannula insertion mechanism 5 and/or the insertion actuator 14, in particular also the return member 19 and/or a drive source 24, in particular a drive motor, and optionally further drive elements, are mounted on the reusable housing part 23, which preferably together form a pre-assembled reusable unit 26.
  • Electronic components, in particular control components, a power supply device 28, in particular a rechargeable power supply device 28, a user interface 29 with a display 30 and/or with an operating unit 31, which can have one or more buttons, are also preferably part of the reusable unit 26 and are mounted here on the reusable housing part 23.
  • At least one Non-positive connection which on the one hand ensures the coupling of the drive source 24 to the reservoir container 2, in particular to a dosing piston of the reservoir container 2, and also, if necessary, ensures a desired electrical connection between electrical contacts 27.
  • the reservoir container 2 is non-detachably connected to the housing 13, in particular the disposable housing part 20, or forms a replaceable cartridge, preferably that the reservoir container 2 can be installed in a pre-filled state together with the disposable housing part 20 as a pre-assembled unit or the replaceable cartridge can be installed in a pre-filled state.
  • non-detachable means a connection between the reservoir container 2 and the housing 13, in particular the disposable housing part 20, that cannot be separated without destruction.
  • the pre-filled state here means that the reservoir container 2 is already filled with infusion solution before its intended first use.

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

L'invention concerne un dispositif de dosage (32), en particulier une pompe à perfusion (1), de préférence pour l'administration sous-cutanée d'un fluide, comprenant un boîtier (13), un récipient réservoir (2) avec un intérieur de récipient pour recevoir le fluide, et un ensemble canule (3). Le boîtier (13) est conçu en de multiples parties, comprenant une première partie de boîtier (20) et une seconde partie de boîtier (23), un premier groupe de composants du dispositif de dosage (32) étant couplé à la première partie de boîtier (20), et un second groupe de composants du dispositif de dosage (32) étant couplé à la seconde partie de boîtier (23), dans chaque cas de façon à être fixé au boîtier ou chaque composant qui est conçu sous la forme d'une section du boîtier (13). Des composants du premier groupe sont fonctionnellement reliés à des composants du second groupe pendant un déplacement des parties de boîtier (20, 23) l'une par rapport à l'autre, en particulier tandis que les parties de boîtier (20, 23) sont rapprochées afin de produire un état assemblé du dispositif de dosage (32) au moyen d'un mouvement d'installation ou pendant un désassemblage du dispositif de dosage (32).
PCT/EP2024/078267 2023-10-09 2024-10-08 Dispositif de dosage comprenant des parties de boîtier qui sont reliées de manière fonctionnelle pendant un processus de déplacement Pending WO2025078367A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023127529.1 2023-10-09
DE102023127529.1A DE102023127529A1 (de) 2023-10-09 2023-10-09 Tragbare Infusionspumpe zum Verabreichen einer definierten Menge eines Fluids, insbesondere einer Infusionslösung

Publications (1)

Publication Number Publication Date
WO2025078367A1 true WO2025078367A1 (fr) 2025-04-17

Family

ID=93037020

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/078267 Pending WO2025078367A1 (fr) 2023-10-09 2024-10-08 Dispositif de dosage comprenant des parties de boîtier qui sont reliées de manière fonctionnelle pendant un processus de déplacement

Country Status (2)

Country Link
DE (1) DE102023127529A1 (fr)
WO (1) WO2025078367A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040010207A1 (en) 2002-07-15 2004-01-15 Flaherty J. Christopher Self-contained, automatic transcutaneous physiologic sensing system
US20060200073A1 (en) * 2003-07-08 2006-09-07 Novo Nordisk A/S Portable drug delivery device having an encapsulated needle
US20080269683A1 (en) * 2006-08-23 2008-10-30 Medtronic Minimed, Inc. Infusion medium delivery system, device and method with needle inserter and needle inserter device and method
US20170021096A1 (en) * 2014-04-24 2017-01-26 Becton, Dickinson And Company Cannula Insertion and Retraction Device for Infusion Device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6641565B1 (en) * 1998-11-13 2003-11-04 Elan Pharma International Limited drug delivery systems and methods
EP1527792A1 (fr) * 2003-10-27 2005-05-04 Novo Nordisk A/S Dispositif d'injection médicale montable sur la peau
US9119939B2 (en) * 2013-09-12 2015-09-01 Michael J. Botich Rotatable hypodermic needle and method of use

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040010207A1 (en) 2002-07-15 2004-01-15 Flaherty J. Christopher Self-contained, automatic transcutaneous physiologic sensing system
US20060200073A1 (en) * 2003-07-08 2006-09-07 Novo Nordisk A/S Portable drug delivery device having an encapsulated needle
US20080269683A1 (en) * 2006-08-23 2008-10-30 Medtronic Minimed, Inc. Infusion medium delivery system, device and method with needle inserter and needle inserter device and method
US20170021096A1 (en) * 2014-04-24 2017-01-26 Becton, Dickinson And Company Cannula Insertion and Retraction Device for Infusion Device

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Publication number Publication date
DE102023127529A1 (de) 2025-04-10

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