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公开(公告)号：US12214155B2
公开(公告)日：2025-02-04
申请号：US18048931
申请日：2022-10-24
Applicant: BAYER HEALTHCARE LLC
Inventor： Michael Mcdermott , Michael Spohn , William Barone , Chelsea Marsh
Abstract: A system and method for correcting a volume of fluid delivered by a fluid injector during an injection procedure is described. The method included determining and compensating for a volume factor associated with compliance of the fluid injector system and correcting for the volume by one of over-driving the distance that the drive member travels in a fluid reservoir, under-driving the distance that the drive member travels in the fluid reservoir, or lengthening or shortening a fluid delivery time.
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公开(公告)号：US20240374829A1
公开(公告)日：2024-11-14
申请号：US18781210
申请日：2024-07-23
Applicant: Bayer HealthCare LLC
Inventor： Michael Spohn , Kevin Cowan , Patrick Campbell , Gerald Callan
Abstract: A syringe including a proximal end, a distal end, and a cylindrical sidewall extending between the proximal end and the distal end, wherein the distal end comprises a conical distal end wall and a fluid nozzle at a distal end of the conical distal end wall; a cylindrical load bearing wall extending axially from the cylindrical sidewall past a proximal end of the conical distal end wall; and a plurality of radial ribs positioned around a periphery of the conical distal end wall, wherein a longitudinal axis of the plurality of radial ribs extends radially inward from the cylindrical load bearing wall towards the fluid nozzle over at least a portion of the conical distal end wall.
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公开(公告)号：US12023464B2
公开(公告)日：2024-07-02
申请号：US18254586
申请日：2021-11-30
Applicant: Bayer HealthCare LLC
Inventor： Andrew Naples , Kevin Cowan , Michael Spohn , John Haury , Patrick Campbell , James Dedig , Randy Lee , John Caswell , Katherine MacNamee , James Tirone
CPC classification number: A61M5/14546 , A61M5/16881 , A61M5/365
Abstract: A cassette for holding fluid path components for a fluid injector may include a body defining at least one feature for holding at least one fluid path component for the fluid injector; and a connecting member for removably connecting the body of the cassette to the fluid injector, the connecting member operatively connected to the body, wherein the connecting member comprises at least one pivotable connecting feature protruding from the body, and wherein each of the at least one pivotable connecting feature is configured for removably connecting to a corresponding connecting feature receiver on the fluid injector such that the body is pivotally movable relative to the fluid injector between a first, unlatched position and a second, latched position in which the at least one fluid path component on the body of the cassette is positioned for operative connection to a corresponding feature of the fluid injector.
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公开(公告)号：US11975172B2
公开(公告)日：2024-05-07
申请号：US17554265
申请日：2021-12-17
Applicant: BAYER HEALTHCARE LLC
Inventor： Kevin Cowan , Michael Spohn , Adam Steege , Jessie Delgado , Keith Lipford , Chet Larrow , Mariano Mumpower , Danica Gordon
CPC classification number: A61M5/14586 , A61M5/007 , A61M5/1408 , A61M5/14546 , A61M5/14566 , A61M5/2425 , A61M5/31515 , A61M5/1458
Abstract: An engagement mechanism associated with a reciprocally movable piston of a fluid injector is configured for releasably engaging an engagement portion at a proximal end of a rolling diaphragm syringe having a flexible sidewall configured for rolling upon itself when acted upon by the piston. The engagement mechanism has a plurality of engagement elements reversibly and radially movable relative to the engagement portion of the syringe between a first position, where the plurality of engagement elements are disengaged from the engagement portion of the syringe, and a second position, where the plurality of engagement elements are engaged with the engagement portion of the syringe. The engagement mechanism further has a drive mechanism for moving the plurality of engagement elements between the first position and the second position.
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公开(公告)号：US11839751B2
公开(公告)日：2023-12-12
申请号：US17999092
申请日：2021-06-16
Applicant: BAYER HEALTHCARE LLC
Inventor： Kevin Cowan , James Dedig , Michael Spohn , John Haury
CPC classification number: A61M5/365 , A61M5/007 , A61M5/14546
Abstract: An apparatus (300) for suspending air bubbles in a fluid path of a fluid injector system includes an internal chamber (320) having a curved interior wall (322) defined within the housing (310), an inlet fluid pathway in fluid communication with the internal chamber, and an outlet fluid pathway in fluid communication with the internal chamber. The inlet fluid pathway extending into the chamber at a tangent to the curved interior wall, and the outlet fluid pathway spaced from the inlet fluid pathway such that fluid flowing into the internal chamber via the inlet fluid pathway is directed away from the outlet fluid pathway. The internal chamber is configured to create an internal fluid vortex in an injection fluid entering the internal chamber from the inlet fluid pathway, and wherein the internal fluid vortex at least temporarily suspends air bubbles in the fluid in the internal vortex and delays the passage of the air bubbles to the outlet fluid pathway.
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Patent Agency Ranking
公开(公告)号：US20230347043A1
公开(公告)日：2023-11-02
申请号：US18208021
申请日：2023-06-09
Applicant: Bayer Healthcare LLC
Inventor： Michael Spohn , Ralph Schriver , Arthur Uber, III , Ronald Heller , Kevin Cowan , Barry Tucker , Edward Rhinehart , Timothy Newing
CPC classification number: A61M5/1408 , A61M5/007 , A61M5/14546 , A61M5/14566 , A61M2005/14208
Abstract: A method of maintaining an overall flow rate during a sequential delivery of at least two fluids to a patient’s blood vessel includes delivering at least a first fluid into the patient’s blood vessel at a first flow rate, delivering at least a second fluid into the patient’s blood vessel at a second flow rate, and adjusting at least one of a first flow profile of the first flow rate and a second flow profile of the second flow rate to dampen a transient increase in the overall flow rate during a transition between delivering one of the first fluid and the second fluid to delivering the other of the first fluid and the second fluid.
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47.发明授权公开(公告)号：US11786652B2
公开(公告)日：2023-10-17
申请号：US16623828
申请日：2018-08-28
Applicant: BAYER HEALTHCARE LLC
Inventor： Michael McDermott , Chelsea Marsh , Michael Spohn , William Barone , Shahab Taheri , Han Min Thu , David Coleman , Jee Hoon Yoo , Vince Delbrugge
CPC classification number: A61M5/14546 , A61M5/14566 , A61M5/1408 , A61M5/16827 , A61M5/16881 , A61M2005/14208 , A61M2005/14553 , A61M2205/332 , A61M2205/3306 , A61M2205/3561
Abstract: The present disclosure provides improved methods for calibrating the zero position of at least one drive member of an injector system is disclosed. Automated methods of position calibration of the drive member of a fluid injector are disclosed. These methods address sources of error in positional accuracy and fluid delivery inaccuracies, such as disposable syringe tolerance and injector wear over time. According to other embodiments of the present disclosure, methods and fluid injector systems for determining and correcting for the amount of slack in a fluid injection apparatus are described. An understanding of the calibration and the amount of slack in a fluid injection system allows a processor to correct for the slack, thereby ensuring more accurate fluid delivery to the patient and more accurate imaging processes.
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公开(公告)号：US11598664B2
公开(公告)日：2023-03-07
申请号：US16621784
申请日：2018-08-28
Applicant: BAYER HEALTHCARE LLC
Inventor： Michael McDermott , Chelsea Marsh , Michael Spohn , William Barone , Robert Praniewicz , Edden Rabin , Corey Savannah , Vince Delbrugge
Abstract: A calibration system for calibrating a pressure output of a fluid injector having a housing configured for connecting to the fluid injector; a drive member engagement portion configured for contacting a drive member of the fluid injector; a compressible member, which may have a known modulus of compression, connected at its proximal end to the drive member engagement portion, wherein the compressible member is compressed with movement of the drive member of the fluid injector between a first, uncompressed position and a second, at least partially compressed position of the fluid injector in a distal direction; and a sensor connected to the compressible member is described. The sensor is configured for measuring at least one of a force imparted by the drive member and a displacement of the drive member when the compressible member is in the second, at least partially compressed position. The system may generate a calibration curve for the drive member of the fluid injector and allow the generation of a fault condition. Methods for calibrating a fluid injector are also described.
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公开(公告)号：US11547793B2
公开(公告)日：2023-01-10
申请号：US16341285
申请日：2017-10-16
Applicant: BAYER HEALTHCARE LLC
Inventor： Kevin Cowan , Michael Spohn , Barry Tucker , James Dedig , Gregory Johnston , Michael McDermott , David Berry , Adam Steege , Keith Lipford , Chet Larrow , Mariano Mumpower , Danica Gordon
Abstract: An engagement mechanism associated with a reciprocally movable piston of a fluid injector is configured for releasably engaging an engagement portion at a proximal end of a rolling diaphragm syringe having a flexible sidewall configured for rolling upon itself when acted upon by the piston. The engagement mechanism has a plurality of engagement elements reversibly and pivotally movable about a pivot pin relative to the engagement portion of the syringe between a first position, where the plurality of engagement elements are disengaged from the engagement portion of the syringe, and a second position, where the plurality of engagement elements are pivotally movable about the pivot pin in a radially inward direction to engage with the engagement portion of the syringe. The engagement mechanism further has a drive mechanism for moving the plurality of engagement elements between the first position and the second position.
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公开(公告)号：US11419977B2
公开(公告)日：2022-08-23
申请号：US16369267
申请日：2019-03-29
Applicant: BAYER HEALTHCARE LLC
Inventor： Kevin Cowan , Arthur Uber, III , Michael Spohn , Barry Tucker , Edward Rhinehart
Abstract: A medical injector including at least one syringe port for engaging at least one syringe and having a locking mechanism. The locking mechanism enables the syringe to self-align with the syringe port for locking engagement upon insertion of the syringe into the syringe port and to axially eject the syringe from the port upon rotational disengagement of the syringe from the port.
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