HRP20231321T1 - Klip za brzo otpuštanje - Google Patents

Klip za brzo otpuštanje Download PDF

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Publication number
HRP20231321T1
HRP20231321T1 HRP20231321TT HRP20231321T HRP20231321T1 HR P20231321 T1 HRP20231321 T1 HR P20231321T1 HR P20231321T T HRP20231321T T HR P20231321TT HR P20231321 T HRP20231321 T HR P20231321T HR P20231321 T1 HRP20231321 T1 HR P20231321T1
Authority
HR
Croatia
Prior art keywords
piston
coupling
syringe
base
plug
Prior art date
Application number
HRP20231321TT
Other languages
English (en)
Inventor
Kevin P. Cowan
Edward J. Rhinehart
Mark Trocki
Original Assignee
Bayer Healthcare Llc
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.)
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Publication date
Application filed by Bayer Healthcare Llc filed Critical Bayer Healthcare Llc
Publication of HRP20231321T1 publication Critical patent/HRP20231321T1/hr

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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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31515—Connection of piston with piston rod
    • 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5066—Means for preventing re-use by disconnection of piston and piston-rod
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M2005/31521—Pistons with a forward extending skirt at their front end
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms

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)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Coating Apparatus (AREA)

Claims (11)

1. Klipna naprava (12) koji se može barem djelomično ukloniti iz štrcaljke (10) koja ima otvor (5) na distalnom kraju (2) nasuprot otvorenom proksimalnom kraju (3), te klipna naprava sadrži: uklonjivi klip (100) koji ima osovinu (115), te se uklonjivi klip (100) proteže od distalnog kraja (2) štrcaljke (10) prema otvorenom proksimalnom kraju (3) štrcaljke (10), uklonjivi klip (100) ima spojnicu (150) na distalnom kraju osovine (115), te pri čemu spojnica (150) uključuje suženu prirubnicu (145) suženu prema otvoru (5) štrcaljke (10); čep (20) koji je uklonjivo povezan sa spojnicom (150) kroz njegovu bazu (200), a čep (20) je konfiguriran da se klizno pomiče unutar šupljeg lumena (4) štrcaljke (10) kako bi se olakšalo kretanje tekućine unutar štrcaljke(10), te pri čemu baza (200) sadrži jedan ili više elemenata za hvatanje (220) koji se protežu unatrag, iza stražnje površine (255) baze (200), prema otvorenom proksimalnom kraju štrcaljke i za iznos dovoljan za hvatanje i zadržavanje konusne prirubnice (145) nasuprot prema unutra okrenutom ramenu (215) na svakom od jednog ili više elemenata za hvatanje (220), pri čemu jedan ili više elemenata za hvatanje (220) svaki nadalje sadrži proširenje (225) koje ima nakošeni rub (210) konfiguriran da uzrokuje, nakon njegovog pozitivnog zahvaćajućeg kretanja prema naprijed, povećanje otklona prema van jednog ili više elemenata za hvatanje, čime se na kraju olakšava uklanjanje čepa (20) sa spojnice (150) otpuštanjem zahvata prema unutra okrenutog ramena (215) prema stražnjoj površini konusne prirubnice (145), te pri čemu je najmanje jedan element za hvatanje (220) postavljen tako da savijajuće kretanje nastalo pomicanjem klipa unatrag uzrokuje da se proširenja elementa za hvatanje (220) radijalno savijaju prema unutra kako bi se spriječilo odvajanje čepa (20) od klipa 100.
2. Klipna naprava (12) prema zahtjevu 1, naznačena time što spojnica (150) sadrži uglavnom obodni utor (140) koji ima mnoštvo proširenja (147) koji se protežu radijalno od utora (140), pri čemu su proširenja (147) konfigurirana da olakšaju uklonjivo pričvršćivanje čepa (20) na klip (100).
3. Klipna naprava (12) prema zahtjevu 2, naznačena time što svako od mnoštva proširenja (147) uključuje jedan ili više ureza (155) na jednoj ili više strana svakog proširenja (147) na krajnjem vanjskom dijelu svakog proširenja (147), pri čemu svaki od jednog ili više ureza (155) ima oblik poprečnog presjeka koji je kvadratnog, pravokutnog, trokutastog, kružnog ili eliptičnog oblika.
4. Klipna naprava prema zahtjevu 2 ili 3, naznačena time što spojnica (150) sadrži konusnu prirubnicu (145) koja se proteže distalno od obodnog utora (140), pri čemu je konusna prirubnica (145) konfigurirana da uklonjivo učvršćuje spojnicu (150) na čep (20) zaključavanjem s jednim ili više zahvatnih elemenata (220) koji se nalaze na čepu (20).
5. Klipna naprava (12) prema bilo kojem prethodnom zahtjevu, naznačena time što baza (200) sadrži jedan ili više spiralnih navoja (260) konfiguriranih za zavrtanje u čep (20).
6. Klipna naprava (12) prema bilo kojem prethodnom zahtjevu, naznačena time što spojnica (150) ima kutnu prirubnicu (510) pričvršćenu na distalni dio (105) klipa (100) preko zgloba (525), pri čemu kutna prirubnica (510) konfigurirana za zahvaćanje s jednim ili više navoja (260) raspoređenih na unutarnjoj stijenci čepa (20) nakon rotacijskog kretanja klipa (100), uzrokuje da se čep pričvrsti na klip (100).
7. Klipna naprava (12) prema zahtjevu 6 naznačena time što je spojnica (150) fiksno pričvršćena na distalni dio (105) klipa (100).
8. Klipna naprava (12) prema zahtjevu 5, naznačena time što je jedan ili više elemenata za hvatanje (220) izrađeno od savitljivog materijala tako da se jedan ili više elemenata za hvatanje savijaju prema van kada dođu u kontakt s konusnom prirubnicom (145) i naknadno uskaču unatrag u izvorni položaj nakon što prođu konusnu prirubnicu (145) kako bi zahvatili obodni utor (140).
9. Klipna naprava (12) prema zahtjevu 5, naznačena time što jedan ili više elemenata za hvatanje sadrže najmanje jedno prema unutra okrenuto rame (215) konfigurirano za zahvaćanje obodnog utora (140).
10. Klipna naprava (12) prema zahtjevu 9, naznačena time što jedan ili više elemenata za hvatanje (220) nadalje obuhvaćaju najmanje jedno proširenje (147) koje se proteže proksimalno iza najmanje jednog prema unutra okrenutog ramena (215).
11. Baza čepa (200) postavljena, u upotrebi, radi odvojivog spajanja čepa štrcaljke (20) na klipnu spojnicu (150) klipa (100) klipa štrcaljke (12), te baza (200) uključuje: stražnju površinu (255) iz koje se na prvoj strani proteže fleksibilna noga, navedena fleksibilna noga se proteže unatrag i dalje od stražnje površine prema klipnoj spojnici (150), a stražnja površina ima drugu suprotnu stranu postavljenu tako da nasjeda na čep; element za hvatanje (220) postavljen na kraju fleksibilne noge, te element za hvatanje (220) sadrži prema unutra okrenuto rame (215) konfigurirano kao zahvatna površina na koju se, kada je na licu mjesta, klipna spojnica (150) može stabilno prisloniti, rame je usmjereno uglavnom okomito na središnju os "B" baze i paralelno sa stražnjom površinom (255) i pri čemu je element za hvatanje oprugama spojen na sidrima (250) gdje se fleksibilna noga spaja sa stražnjom površinom, pri čemu sidrišta dopuštaju prisilno primijenjeno savijanje fleksibilne noge koja prisiljava vanjsko kretanje elementa za hvatanje u odnosu na središnju os "B"; elementi za hvatanje sadrže proširenja (225) koja se protežu proksimalno izvan prema unutra okrenutih ramena (215) elementa za hvatanje (220) i unatrag od stražnje površine (255), navedeno najmanje jedno proširenje ima nakošeni rub (210) koji ima površinu okrenutu prema središnjoj osi; naznačena time što: rame (215) elemenata za hvatanje (220) je postavljeno tako da je opterećenje koje se javlja pri relativnom pomicanju klipne spojnice (150) unatrag u položaju jednakom ili većem po radijalnoj udaljenosti u odnosu na središnju os "B" prema onom na sidrima (250), kretanje savijanja nastalo kretanjem klipne spojnice unatrag, kada je inicijalno na mjestu, postavljeno je tako da uzrokuje da se savitljivi dio za hvatanje noge (220) radijalno otklanja prema unutra i pomaže u sprječavanju odvajanja baze od klipne spojnice (150), te kada je klipna spojnica (150) zaokrenuta oko središnje osi "B", nakošeni unutarnji rub (210) potiskuje zahvatni element (220) radijalno prema van radi odvajanja baze (200) za klipnu spojnicu (150).
HRP20231321TT 2012-09-28 2013-09-24 Klip za brzo otpuštanje HRP20231321T1 (hr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261707690P 2012-09-28 2012-09-28
US201261710570P 2012-10-05 2012-10-05
US13/792,155 US9174003B2 (en) 2012-09-28 2013-03-10 Quick release plunger
EP13842045.0A EP2900302B1 (en) 2012-09-28 2013-09-24 Quick release plunger
PCT/US2013/061384 WO2014052306A1 (en) 2012-09-28 2013-09-24 Quick release plunger

Publications (1)

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HRP20231321T1 true HRP20231321T1 (hr) 2024-02-16

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HRP20231321TT HRP20231321T1 (hr) 2012-09-28 2013-09-24 Klip za brzo otpuštanje

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US (3) US9174003B2 (hr)
EP (2) EP4249018A3 (hr)
JP (1) JP2015533554A (hr)
KR (1) KR20150065733A (hr)
CN (2) CN107551358B (hr)
AU (1) AU2013323759B2 (hr)
BR (1) BR112015006984A2 (hr)
CA (1) CA2885742C (hr)
DK (1) DK2900302T3 (hr)
ES (1) ES2960909T3 (hr)
FI (1) FI2900302T3 (hr)
HK (1) HK1249063A1 (hr)
HR (1) HRP20231321T1 (hr)
HU (1) HUE064103T2 (hr)
IN (1) IN2015DN02530A (hr)
PL (1) PL2900302T3 (hr)
PT (1) PT2900302T (hr)
RU (1) RU2627676C2 (hr)
WO (1) WO2014052306A1 (hr)

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