US20220288304A1 - Drive mechanisms for positive displacement pumps - Google Patents

Drive mechanisms for positive displacement pumps Download PDF

Info

Publication number
US20220288304A1
US20220288304A1 US17/674,093 US202217674093A US2022288304A1 US 20220288304 A1 US20220288304 A1 US 20220288304A1 US 202217674093 A US202217674093 A US 202217674093A US 2022288304 A1 US2022288304 A1 US 2022288304A1
Authority
US
United States
Prior art keywords
reservoir
plunger
coupled
magnet
scissor
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
US17/674,093
Other languages
English (en)
Inventor
Soroush KAMRAVA
Steven CARDINALI
Ian Quinn
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.)
Insulet Corp
Original Assignee
Insulet Corp
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 Insulet Corp filed Critical Insulet Corp
Priority to US17/674,093 priority Critical patent/US20220288304A1/en
Assigned to INSULET CORPORATION reassignment INSULET CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KAMRAVA, Soroush, CARDINALI, STEVEN, QUINN, IAN
Publication of US20220288304A1 publication Critical patent/US20220288304A1/en
Assigned to MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT reassignment MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT SECURITY AGREEMENT SUPPLEMENT Assignors: INSULET CORPORATION
Pending legal-status Critical Current

Links

Images

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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14212—Pumping with an aspiration and an expulsion action
    • A61M5/14232—Roller pumps
    • 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
    • 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
    • A61M5/14—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
    • 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
    • A61M2005/1426—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 means for preventing access to the needle after use
    • 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
    • A61M2005/31518—Piston or piston-rod constructions, e.g. connection of piston with piston-rod designed to reduce the overall size of an injection device, e.g. using flexible or pivotally connected chain-like rod 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
    • 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
    • A61M2005/3152—Piston or piston-rod constructions, e.g. connection of piston with piston-rod including gearings to multiply or attenuate the piston displacing force
    • 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
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0266—Shape memory materials
    • 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
    • A61M2205/10—General characteristics of the apparatus with powered movement mechanisms
    • 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
    • A61M2205/10—General characteristics of the apparatus with powered movement mechanisms
    • A61M2205/103—General characteristics of the apparatus with powered movement mechanisms rotating
    • 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
    • A61M2205/35—Communication
    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • A61M2205/3592—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using telemetric means, e.g. radio or optical transmission

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)
US17/674,093 2021-03-12 2022-02-17 Drive mechanisms for positive displacement pumps Pending US20220288304A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/674,093 US20220288304A1 (en) 2021-03-12 2022-02-17 Drive mechanisms for positive displacement pumps

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163160240P 2021-03-12 2021-03-12
US202263306765P 2022-02-04 2022-02-04
US17/674,093 US20220288304A1 (en) 2021-03-12 2022-02-17 Drive mechanisms for positive displacement pumps

Publications (1)

Publication Number Publication Date
US20220288304A1 true US20220288304A1 (en) 2022-09-15

Family

ID=80682784

Family Applications (2)

Application Number Title Priority Date Filing Date
US17/674,113 Pending US20220288302A1 (en) 2021-03-12 2022-02-17 Pumping mechanism with wire-pulled plunger
US17/674,093 Pending US20220288304A1 (en) 2021-03-12 2022-02-17 Drive mechanisms for positive displacement pumps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
US17/674,113 Pending US20220288302A1 (en) 2021-03-12 2022-02-17 Pumping mechanism with wire-pulled plunger

Country Status (3)

Country Link
US (2) US20220288302A1 (fr)
EP (2) EP4304676A1 (fr)
WO (1) WO2022191972A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4166169A1 (fr) * 2021-10-18 2023-04-19 Insulet Corporation Liaison flexible pour pompes volumétriques

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991743A (en) * 1989-11-06 1991-02-12 Cobe Laboratories, Inc. Controlled flow accumulator
US5976109A (en) * 1996-04-30 1999-11-02 Medtronic, Inc. Apparatus for drug infusion implanted within a living body
EP1335764B1 (fr) 2000-09-08 2007-06-06 Insulet Corporation Dispositif et système de perfusion d'un patient
US7052251B2 (en) * 2002-04-22 2006-05-30 Medtronic Minimed, Inc. Shape memory alloy wire driven positive displacement micropump with pulsatile output
US6960192B1 (en) 2002-04-23 2005-11-01 Insulet Corporation Transcutaneous fluid delivery system
EP2413998A1 (fr) * 2009-03-31 2012-02-08 Sanofi-Aventis Deutschland GmbH Améliorations concernant des dispositifs d'administration de médicament
WO2013149186A1 (fr) * 2012-03-30 2013-10-03 Insulet Corporation Dispositif d'administration de fluide avec outil d'accès transcutané, mécanisme d'insertion et contrôle de glycémie destine à être utilisé avec le dispositif
CN105873631B (zh) * 2013-11-05 2021-06-18 辛纳吉勒公司 经由口腔进行连续药物递送的装置和方法
WO2017176374A1 (fr) * 2016-04-06 2017-10-12 Flextronics Ap, Llc Dispositif d'injection automatique ayant un système d'entraînement doté d'un ressort à mémoire de forme
CN107096091A (zh) * 2017-06-08 2017-08-29 广州欧浦瑞医疗科技有限公司 一种新型机械式输液加压装置及加压方法
EP3508236A1 (fr) * 2018-01-05 2019-07-10 Medicom Innovation Partner a/s Dispositif d'injection comportant un mécanisme d'entraînement ayant un ressort et un câble

Also Published As

Publication number Publication date
US20220288302A1 (en) 2022-09-15
EP4304676A1 (fr) 2024-01-17
EP4056210A1 (fr) 2022-09-14
WO2022191972A1 (fr) 2022-09-15

Similar Documents

Publication Publication Date Title
US11672909B2 (en) Ambulatory infusion pumps and assemblies for use with same
ES2609423T3 (es) Nuevo sistema de accionamiento para uso con un dispositivo de suministro de insulina
JP6802399B2 (ja) 分離ピストン型定量ポンプ
JP6820874B2 (ja) 輸液注入システムの改善
JP6591806B2 (ja) 内部カム計量ポンプ
US11027059B2 (en) Spring force assembly for biasing or actuating stoppers of syringes, injection pen cartridges and the like
US6190359B1 (en) Method and apparatus for drug infusion
JP4454228B2 (ja) 注入装置のための駆動機構
US6348043B1 (en) Multi-dose infusion pump providing minimal flow between doses
US6083201A (en) Multi-dose infusion pump
EP0118550A1 (fr) Seringue et son dispositif d'actionnement
US20220288304A1 (en) Drive mechanisms for positive displacement pumps
US9067012B2 (en) Rugged IV infusion device
US20100121274A1 (en) Prefillable constant pressure ambulatory infusion pump
CN116981491A (zh) 用于容积式泵的改进的驱动机构
RU2750676C1 (ru) Способ и устройства для введения инсулина
US8348106B2 (en) Fluid dispensing or feeding device
ES2291478T3 (es) Aparato de inyeccion multidosis, sin cartucho.
US20210290842A1 (en) Pump
CN107441595B (zh) 液体输送装置及系统
CN218484942U (zh) 药物输送系统、贴片泵和药物输送装置
JP2000120549A (ja) 薬液移送装置

Legal Events

Date Code Title Description
STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

AS Assignment

Owner name: INSULET CORPORATION, MASSACHUSETTS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KAMRAVA, SOROUSH;CARDINALI, STEVEN;QUINN, IAN;SIGNING DATES FROM 20210312 TO 20210314;REEL/FRAME:059498/0791

AS Assignment

Owner name: MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT, MARYLAND

Free format text: SECURITY AGREEMENT SUPPLEMENT;ASSIGNOR:INSULET CORPORATION;REEL/FRAME:062035/0785

Effective date: 20221130