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BRPI0411212A - sistema de liberação de lìquido - Google Patents

sistema de liberação de lìquido

Info

Publication number
BRPI0411212A
BRPI0411212A BRPI0411212-1A BRPI0411212A BRPI0411212A BR PI0411212 A BRPI0411212 A BR PI0411212A BR PI0411212 A BRPI0411212 A BR PI0411212A BR PI0411212 A BRPI0411212 A BR PI0411212A
Authority
BR
Brazil
Prior art keywords
syringe
lead screw
piston
drive
housing
Prior art date
Application number
BRPI0411212-1A
Other languages
English (en)
Inventor
Yoshio Inoue
Kirk Ramey
Yoshiyuki Sonoda
Robert Sowell
Robert Williams
Original Assignee
Nipro Diabetes Systems Inc
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 Nipro Diabetes Systems Inc filed Critical Nipro Diabetes Systems Inc
Publication of BRPI0411212A publication Critical patent/BRPI0411212A/pt

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
    • 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
    • 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
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/14566—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir for receiving a piston rod of the pump
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3389—Continuous level detection
    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • A61M5/1685—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by detection of position of a floating member

Landscapes

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

Abstract

"SISTEMA DE LIBERAçãO DE LìQUIDO". Um sistema de bomba para um sistema de infusão inclui um acionamento linear (36, 36<39>) que minimiza o espaço ocupado pelos membros da bomba em um alojamento portátil (10, 10<39>). Um motor (34) e um eixo de acionamento do motor (42) ficam arranjados em paralelo e adjacente a uma seringa (14, 14<39>) e um parafuso de avanço (94, 94<39>). Uma caixa de engrenagem (54) conecta o eixo de acionamento e o parafuso de avanço para transferir movimentos rotacionais entre eles. Um membro de acionamento do pistão, tal como uma porca de acionamento (116), converte o movimento rotacional do parafuso de avanço em movimento linear de um pistão de seringa (24). Uma tampa (190, 190<39>) acapla a seringa (14, 14<39>) ao alojamento e fornece uma saída para o líquido ser dispensado. Em uma modalidade, a tampa (190<39>) é configurada para rotacionar em relação ao alojamento somente em uma direção, durante o travamento. O movimento rotacional é também usado para travar o pistão (24) na porca de acionamento (116) contra o movimento axial relativo. Em uma outra modalidade, a tampa (190<39>) carrega um cubo rotativo (330) que é conectado em uma primeira extremidade (336) com uma linha de infusão (191) e em uma segunda extremidade define uma agulha (338) para perfurar um fechamento (340) na seringa.
BRPI0411212-1A 2003-06-09 2004-06-07 sistema de liberação de lìquido BRPI0411212A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47697303P 2003-06-09 2003-06-09
PCT/US2004/018148 WO2005000378A2 (en) 2003-06-09 2004-06-07 Coupling system for an infusion pump

Publications (1)

Publication Number Publication Date
BRPI0411212A true BRPI0411212A (pt) 2006-07-18

Family

ID=33551652

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0411212-1A BRPI0411212A (pt) 2003-06-09 2004-06-07 sistema de liberação de lìquido

Country Status (7)

Country Link
US (1) US20050020980A1 (pt)
EP (1) EP1641516A4 (pt)
JP (1) JP2007511252A (pt)
BR (1) BRPI0411212A (pt)
IL (1) IL172475A0 (pt)
MX (1) MXPA05013437A (pt)
WO (1) WO2005000378A2 (pt)

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US20050020980A1 (en) 2005-01-27
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EP1641516A4 (en) 2010-03-03

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