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    Constant pressure syringe for surgical use
    1.
    发明授权
    Constant pressure syringe for surgical use 有权

    公开(公告)号：US12102747B2

    公开(公告)日：2024-10-01

    申请号：US17389420

    申请日：2021-07-30

    申请人： Lipocosm, LLC

    发明人： Roger K. Khouri ,  Murat Kuru

    IPC分类号： A61M1/00 ,  A61M5/142 ,  A61M5/145 ,  A61M39/24

    CPC分类号： A61M1/67 ,  A61M1/71 ,  A61M1/84 ,  A61M1/87 ,  A61M1/89 ,  A61M1/892 ,  A61M1/895 ,  A61M1/81 ,  A61M5/14216 ,  A61M5/1452 ,  A61M39/24 ,  A61M2202/0021 ,  A61M2202/08 ,  A61M2205/073 ,  Y10T137/7838 ,  Y10T137/87249

    摘要： A closed system for harvesting fat through liposuction, concentrating the aspirate so obtained, and then re-injecting the concentrated fat into a patient comprises as its main components a low pressure cannula having between about 7 to 12 side holes of about 1-2 mm by 2.0 to 4.0 mm, a spring loaded syringe holder with a constant force or coiled ribbon spring to apply a substantially constant pressure over the fill excursion of the plunger, and a preferably flexible collection bag which is also preferably graduated, cylindrical over most of its body and funnel shaped at its bottom, all of which are connected through flexible tubings to a multi-port valve. The multi-port valve has two flutter/duck bill valves which restrict the fluid flow to a one way direction which effectively allows the syringe to be used to pump fat out of a patient and into a collection bag in a continuous manner. After the bags are centrifuged to concentrate the fat, the excess fluids are separated and the valve is re-connected to permit the syringe pump to reverse fluid flow to graft the concentrated fat back into the patient.

    Drainage system with O-ring
    4.
    发明授权
    Drainage system with O-ring 有权

    公开(公告)号：US12053571B2

    公开(公告)日：2024-08-06

    申请号：US18382247

    申请日：2023-10-20

    申请人： CareFusion 2200, Inc.

    发明人： Carol Lopez ,  James C. Kantola

    IPC分类号： A61M1/00

    CPC分类号： A61M1/71 ,  A61M1/60 ,  A61M1/64 ,  A61M1/66 ,  A61M1/732

    摘要： A drainage system, the drainage system comprising a container having an interior and a mouth, the mouth comprising an outer surface and an opening, a frangible seal covering the opening, a cap secured to the mouth and in fluid communication with a drainage line, the cap having an inner surface configured to engage with the outer surface of the mouth, an O-ring located at least partially between the outer surface of the mouth and the inner surface of the cap and configured to form a fluid seal between a space defined by the cap and the space located externally of the drainage system, and a retaining ring circumferentially engaging the cap.

    MEDICAL TREATMENT SYSTEM AND METHODS USING A PLURALITY OF FLUID LINES
    8.
    发明公开
    MEDICAL TREATMENT SYSTEM AND METHODS USING A PLURALITY OF FLUID LINES 审中-公开

    公开(公告)号：US20230390472A1

    公开(公告)日：2023-12-07

    申请号：US18366603

    申请日：2023-08-07

    申请人： DEKA Products Limited Partnership

    发明人： David A. Beavers ,  Michael G. Norris ,  John M. Kerwin ,  Andrew S. Coll ,  Paul G. Girouard ,  Robert J. Bryant, JR. ,  Geoffrey P. Spencer ,  Joseph P. Rushlow ,  Jacob W. Scarpaci

    IPC分类号： A61M1/28 ,  A61M1/00 ,  A61M1/14

    CPC分类号： A61M1/282 ,  A61M1/71 ,  A61M1/80 ,  A61M1/1524 ,  A61M1/1522 ,  A61M1/159 ,  A61M1/156 ,  A61M1/1565 ,  A61M1/155 ,  G01V8/20

    摘要： Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of the diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater element. Improvements are also disclosed in an application of negative pressure during a drain phase in peritoneal dialysis therapy, and to control an amount of intraperitoneal fluid accumulation during the therapy. Improvements in efficiency are also disclosed in movement of fluid into and out of a two-pump cassette and a heater bag of the peritoneal dialysis cycler, and in synchronization of operation of two or more pumps in the peritoneal dialysis cycler or other fluid handling devices using a multi-pump arrangement.

    Drainage system with O-ring
    9.
    发明授权
    Drainage system with O-ring 有权

    公开(公告)号：US11826505B2

    公开(公告)日：2023-11-28

    申请号：US16704359

    申请日：2019-12-05

    申请人： CareFusion 2200, Inc.

    发明人： Carol Lopez ,  James C. Kantola

    IPC分类号： A61M1/00

    CPC分类号： A61M1/71 ,  A61M1/60 ,  A61M1/64 ,  A61M1/66 ,  A61M1/732

    摘要： A drainage system, the drainage system comprising a container having an interior and a mouth, the mouth comprising an outer surface and an opening, a frangible seal covering the opening, a cap secured to the mouth and in fluid communication with a drainage line, the cap having an inner surface configured to engage with the outer surface of the mouth, an O-ring located at least partially between the outer surface of the mouth and the inner surface of the cap and configured to form a fluid seal between a space defined by the cap and the space located externally of the drainage system, and a retaining ring circumferentially engaging the cap.