DK2512559T3 - Selv-injicerende indretning - Google Patents

Selv-injicerende indretning Download PDF

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Publication number
DK2512559T3
DK2512559T3 DK09852368.1T DK09852368T DK2512559T3 DK 2512559 T3 DK2512559 T3 DK 2512559T3 DK 09852368 T DK09852368 T DK 09852368T DK 2512559 T3 DK2512559 T3 DK 2512559T3
Authority
DK
Denmark
Prior art keywords
reservoir
plunger
piston
infusion device
disposed
Prior art date
Application number
DK09852368.1T
Other languages
English (en)
Inventor
Lionel Vedrine
Ralph Sonderegger
Curt Bingham
Original Assignee
Becton Dickinson Co
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 Becton Dickinson Co filed Critical Becton Dickinson Co
Application granted granted Critical
Publication of DK2512559T3 publication Critical patent/DK2512559T3/da

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/145Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/14244Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/14244Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • A61M2005/14252Pressure 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (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)

Claims (12)

1. Lægemiddeladministrationsindretning til administration af et forudbestemt volumen af et medikament ind i en patients krop ved injektion i eller gennem patientens hud, hvilken indretning omfatter: en krop (104, 116) der har et topkabinet (116) og et bundkabinet (104) med et klæbemiddel, der er anbragt på den nedre overflade af indretningen til at klæbe til en patient; et reservoir (160, 164, 176, 408) der er anbragt inden i kroppen til at indeholde et medikament, hvilket reservoir har: en stiv sektion der omfatter en kuppel (176); og en bevægelig sektion der omfatter en fleksibel reservo ir-kuppel-forsegling (164); en injektionsnål (152) til at trænge igennem i patientens hud, hvilken nål har et hulrum og kommunikerer selektivt med reservoiret; og kendetegnet ved, at indretningen yderligere omfatter: et tryksystem (144, 508, 564, 600, 640, 140, 504, 582, 516, 568) til selektivt at sætte tryk på reservoiret, hvilket tryksystem omfatter: et stempel (144, 508, 564, 600, 640), som er bevægeligt i kroppen, og en trykfjeder (140) der er komprimeret af stemplet, når tryksystemet er i en forudaktiveret position; i hvilken en overflade af stemplet i den forudaktiverede position kontakter og komprimerer reservoirkuppeltætningen for at reducere reservoirets oprindelige volumen; og en form af overfladen af stemplet der kommer i kontakt med reservoir-kuppelforseglingen, svarer til en form af kuplen.
2. Indretningen ifølge krav 1, hvor: bundkabinettet omfatter et cylindrisk hus (200); og tryksystemet er anbragt inden i det cylindriske hus.
3. Indretningen ifølge krav 2, hvor: stemplet omfatter mindst en flig (214, 604), der strækker sig fra en ydre kant deraf; og det cylindriske hus indbefatter mindst en forsænket kanal (204) til at styre den mindst ene stempelflig under stemplets bevægelse.
4. Indretningen ifølge krav 3, hvor: den mindst ene stempelflig omfatter et ben (208, 608), der strækker sig fra stemplets ydre kant, og en fod (212, 612) der strækker sig fra benet; og den mindst ene forsænkede kanal indbefatter en fastholdelsesdel (218); hvor en modstand imellem foden og tilbageholdelsesdelen holder tryksystemet i den forudaktiverede stilling mod kraften aftrykfjederen.
5. Indretningen ifølge krav 4, hvor en længde af benet bestemmer en mængde reduktion af reservoirets oprindelige volumen.
6. Indretningen ifølge krav 2, hvor tryksystemet yderligere omfatter: en tilbageholdelsesplade (504, 582) der er anbragt på bundkabinettet; og en stift (516, 568) anbragt i det væsentlige ved et center af det cylindriske hus på en af tilbageholdelsespladen og stemplet (508, 564, 640), hvilken stift har et tandhjul (520, 572, 648) der er anbragt ved en distal ende deraf; hvor: trykfjederen er anbragt mellem tilbageholdelsespladen og stemplet; den resterende ene af tilbageholdelsespladen og stemplet indbefatter en åbning (524, 584) med en form der svarer til tandhjulet, hvilken åbning har slidser indskudt mellem fingrene af den resterende ene af tilbageholdelsespladen og stemplet; og i den forudaktiverede position retter tandhjulets tænder sig ind med fingrene for at opretholde kompressionen af trykfjederen.
7. Indretningen ifølge krav 6, hvor stiften og den ene af tilbageholdelsespladen og stemplet, hvor stiften er anbragt, er dannet integreret som en enhedsstruktur.
8. Indretningen ifølge krav 6, hvor en længde af stiften bestemmer en mængde reduktion af reservoirets oprindelige volumen.
9. Indretningen ifølge krav 8, der yderligere omfatter en aktiveringsknap (128), der er bevægeligt anbragt på hovedkroppen og bevægelig fra en forudaktiveret position til en aktiveret position; hvorved bevægelse af aktiveringsknappen fra den forudaktiverede position til den aktiverede position bevirker drejning af den ene af tilbageholdelsespladen og stemplet i forhold til den ikke-drejede ene af tilbageholdelsespladen og stemplet således, at tandhjulets tænder retter ind med slidserne af åbningen for at frigive stemplet til at bevæge sig inden i det cylindriske hus under trykfjederens kraft for at komprimere reservoiret.
10. Indretningen ifølge krav 9, hvorved bevægelse af aktiveringsknappen fra den forudaktiverede position til den aktiverede position bevirker en drejning af tilbageholdelsespladen for at rette tandhjulstænderne ind med slidserne af åbningen.
11. Indretningen ifølge krav 9, hvorved bevægelsen af aktiveringsknappen fra den forudaktiverede position til den aktiverede position bevirker en drejning af stemplet for at rette tandhjulstænderne ind med slidserne af åbningen.
12. Indretningen ifølge krav 4, der yderligere omfatter en aktiveringsknap (128), som er bevægeligt anbragt på hovedkrop og bevægelig fra en forudaktiveret position til en aktiveret position; hvilken bevægelse af aktiveringsknappen fra den forudaktiverede position til den aktiverede position bevirker en drejning af stemplet, således at foden er fri af tilbageholdelsesdelen og stemplet bevæger sig inden i det cylindriske hus på grund af kraften af trykfjederen for at komprimere reservoiret.
DK09852368.1T 2009-12-16 2009-12-16 Selv-injicerende indretning DK2512559T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2009/006572 WO2011075100A1 (en) 2009-12-16 2009-12-16 Self-injection device

Publications (1)

Publication Number Publication Date
DK2512559T3 true DK2512559T3 (da) 2019-03-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (7)

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US (3) US10195340B2 (da)
EP (2) EP3485929A1 (da)
JP (1) JP5650241B2 (da)
CN (1) CN102753226B (da)
DK (1) DK2512559T3 (da)
ES (1) ES2714698T3 (da)
WO (1) WO2011075100A1 (da)

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US10195340B2 (en) 2019-02-05
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US10967123B2 (en) 2021-04-06
CN102753226A (zh) 2012-10-24
ES2714698T3 (es) 2019-05-29
EP3485929A1 (en) 2019-05-22
EP2512559A1 (en) 2012-10-24
US11007316B2 (en) 2021-05-18
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CN102753226B (zh) 2015-08-19
JP5650241B2 (ja) 2015-01-07

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