Patents by Inventor Matthew Gravett
Matthew Gravett has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12343042Abstract: A pericardial puncture device includes an introducer, a needle, and an actuator. The introducer has a lumen and extends between an introducer proximal portion defining an introducer proximal end and an introducer distal portion defining an introducer distal end. The needle is received in the lumen and extends between a needle proximal portion and a needle distal portion having a sharp distal tip. The needle is movable from a retracted configuration to an advanced configuration. In the retracted configuration, the sharp distal tip is within the lumen and shy of the introducer distal end. In the advanced configuration, the sharp distal tip outside of the lumen and proud of the introducer distal end. The actuator includes a handle that is rotatable in a first direction with respect to the introducer to drive movement of the needle from the retracted configuration towards the advanced configuration.Type: GrantFiled: July 14, 2021Date of Patent: July 1, 2025Assignee: Boston Scientific Medical Device LimitedInventors: Brock Miller, Matthew Gravett, Kai-Lon Fok
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Publication number: 20250009348Abstract: A perforation system for accessing a location in or near a patient's heart is disclosed. The system includes a puncture device having a proximal portion and a distal portion including a distal tip. The system further includes an elongated introducer defining a lumen adapted to receive and allow longitudinal translation of the puncture device therein, the elongated introducer having an introducer proximal portion and an introducer distal portion, the introducer proximal portion including a locking hub. The locking hub includes a slot and an engaging surface configured so that the proximal portion can be positioned in the slot and against the engaging surface, so as to generate a securing frictional force between the proximal portion and the engaging surface, the securing friction force sufficient to inhibit the longitudinal translation of the puncture device with respect to the elongated introducer.Type: ApplicationFiled: July 3, 2024Publication date: January 9, 2025Inventors: Brock Miller, Kai-Lon Fok, Matthew Gravett
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Publication number: 20240407837Abstract: A radiofrequency perforation device is disclosed. The device includes an elongate member defining a lumen and extending from a proximal portion including a hub to a distal portion including a distal tip electrode having a distal face defining a distal opening and a slot. The device also includes an outer insulation layer covering a portion of an outer surface of the elongate member and leaving the distal tip electrode uncovered. Finally, the device includes an inner insulation layer covering at least the distal portion of the lumen.Type: ApplicationFiled: June 4, 2024Publication date: December 12, 2024Inventors: Brock Miller, Kai-Lon Fok, Matthew Gravett
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Publication number: 20240407838Abstract: A radiofrequency guidewire is disclosed. The system includes a core wire having a tapered section, a first insulator portion having a first insulator property and a first insulator length, and a second insulator portion having a second insulator property and a second insulator length. The first insulator portion and the second insulator portion are positioned along the core wire so as to form an overlap portion aligned with the tapered section of the core wire.Type: ApplicationFiled: June 7, 2024Publication date: December 12, 2024Inventors: Brock Miller, Kai-Lon Fok, Matthew Gravett
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Publication number: 20240390613Abstract: A valved holding chamber includes a holding chamber adapted to contain a substance and having an input end adapted to receive a dry powder inhaler, an output end and an interior volume defined between the input end and output end. An inhalation valve is disposed at the output end of the holding chamber and is moveable to an open position in response to an inhalation flow through the interior space. A vacuum generator, expandable volume and/or positive pressure may be used to draw medication from the dry powder inhaler into the holding chamber. Methods of using and assembling the system are also provided.Type: ApplicationFiled: May 24, 2024Publication date: November 28, 2024Applicant: Trudell Medical International Inc.Inventors: Stephen Costella, Matthew Gravett, Sean Alexander Marshall, Mark Nagel, Britton Sprickerhoff, Jason Suggett, Heather Young
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Publication number: 20240350752Abstract: A valved holding chamber has an input end and an output end, which includes an inhalation valve and a user interface. The inhalation valve defines a first inhalation flow path between the input end and the user interface. A flow channel includes an inlet in flow communication with the holding chamber and an outlet in flow communication with the user interface downstream of the inhalation valve, wherein the flow channel bypasses the inhalation valve and defines a second inhalation flow path between the input end and the user interface. A flow indicator is positioned in the flow channel. A second flow channel, with a second flow indicator dispose therein, may define a third inhalation flow path between the input end and the user interface separate from the first and second inhalation flow paths. The inhalation valve, first flow indicator and second flow indicator may have different flow resistances.Type: ApplicationFiled: April 19, 2024Publication date: October 24, 2024Applicant: Trudell Medical International Inc.Inventors: Matthew Gravett, Emmanuel Marbina
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Patent number: 12042178Abstract: A system of medical devices includes a needle, an endoscope, and an introducer. The needle extends between a needle proximal portion and a needle distal portion having a puncturing tip. The endoscope extends between an endoscope proximal portion and an endoscope distal portion having a camera. The introducer is for guiding the needle and the endoscope towards a target location. The introducer extends between an introducer proximal portion and an introducer distal portion and has a first lumen extending therethrough from the introducer proximal portion to the introducer distal portion and a second lumen extending therethrough from the introducer proximal portion to the introducer distal portion. The needle is advanceable through the first lumen to position the puncturing tip proud of the introducer distal portion and the endoscope is advanceable through the second lumen to position the camera proximate the introducer distal portion and outside of the lumen.Type: GrantFiled: July 16, 2021Date of Patent: July 23, 2024Assignee: Boston Scientific Medical Device LimitedInventors: Brock Miller, Matthew Gravett, Kai-Lon Fok, Rund Abou-Marie
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Publication number: 20240032991Abstract: An elongated medical sheath is configured to be movable and positionable proximate to a biological feature of a patient. An expandable-and-collapsible support structure is configured to be selectively movable, at least in part, between an interior of the elongated medical sheath and an exterior of the elongated medical sheath. An energy-emitting assembly is supported by the expandable-and-collapsible support structure.Type: ApplicationFiled: October 2, 2023Publication date: February 1, 2024Inventors: John Paul Urbanski, Brock Miller, Matthew Gravett, Rund Abou-Marie, Kai-Lon Fok, Maria Luk, Ahmad Kamal
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Publication number: 20230364363Abstract: A medication delivery system includes a chamber housing defining an interior volume. The chamber housing has an inlet adapted to receive a dosage of medicament and an outlet spaced apart from the inlet. The inlet and outlet are in fluid communication with the interior volume. A flow channel is in fluid communication with the interior volume. A dosage indicator is translatable in the flow channel from a pre-inhalation position to a complete dosage position, wherein a positioning of the dosage indicator in the complete dosage position indicates a complete administration of the dosage of medicament through the outlet. Methods of using and assembling the system are also provided.Type: ApplicationFiled: May 15, 2023Publication date: November 16, 2023Applicant: Trudell Medical InternationalInventors: Matthew Gravett, Daniela Manotas, Hannah Hammond, Robert Frank Costa, Adam Meyer, Malcolm McWilliam
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Patent number: 11801087Abstract: Methods and apparatus are disclosed for puncturing tissue, including a surgical introducer with a stiff main body and a flexible tip which can be used with a puncture device to gain epicardial access. The surgical introducer comprises an introducer shaft having a rigid portion and a flexible tip portion. The rigid portion has a metal tube extending to the rigid portion distal end. The flexible tip portion is distal of the metal tube distal end. The flexible tip portion includes a first polymer and a second polymer, wherein the second polymer is more flexible than the first polymer. The second polymer extends distally from the metal tube distal end to define a second polymer flexible tip segment. The first polymer extends distally from the second polymer flexible tip segment end to define a flexible tip portion cap.Type: GrantFiled: November 12, 2020Date of Patent: October 31, 2023Assignee: Boston Scientific Medical Device LimitedInventors: John Paul Urbanski, Brock Miller, Matthew Gravett, Rund Abou-Marie, Kai-Lon Fok, Maria Luk, Ahmad Kamal
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Publication number: 20230200892Abstract: A system of medical devices includes a radiofrequency generator, a stylet, and an introducer. The stylet includes an elongate shaft having a shaft proximal portion and a shaft distal portion defining a shaft distal end. The shaft is rigid. A radiofrequency puncture electrode is at the shaft distal end. The radiofrequency puncture electrode is electrically connectable to the radiofrequency generator. The introducer includes an elongate tube extending between a tube proximal portion and a tube distal portion defining a tube distal end. The shaft is receivable in the tube with the electrode proud of the tube distal end.Type: ApplicationFiled: March 7, 2023Publication date: June 29, 2023Inventors: Brock Miller, Matthew Gravett
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Publication number: 20230181236Abstract: A system of medical devices includes a puncture device and an introducer. The puncture device extends from a puncture device proximal end to a puncture device distal end. The puncture device includes a radiofrequency puncture electrode at the puncture device distal end. The electrode is radiopaque. The introducer extends between an introducer proximal end and an introducer distal end. The introducer has a lumen extending therethrough from the introducer proximal end to the introducer distal end. The introducer includes at least a first radiopaque marker associated with the introducer distal end. The puncture device is advanceable through the lumen from the introducer proximal end towards the introducer distal end to position the puncture device in a puncture position in which the radiofrequency puncture electrode is proud of the introducer distal. When the puncture device is in the puncture position, the electrode is spaced distally from the first radiopaque marker.Type: ApplicationFiled: February 10, 2023Publication date: June 15, 2023Inventors: Brock Miller, Matthew Gravett
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Publication number: 20230149067Abstract: A system of medical devices includes an introducer, a puncture device, and an indicator system. The introducer has a lumen extending therethrough from a proximal end thereof a distal end thereof, and includes a first indicator electrode that faces radially inwardly toward the lumen. The puncture device has a radiofrequency puncture electrode at a distal end thereof, and a second indicator electrode that is positioned proximal of the radiofrequency puncture electrode and that faces radially outwardly.Type: ApplicationFiled: January 6, 2023Publication date: May 18, 2023Inventors: Brock Miller, Matthew Gravett
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Publication number: 20220047324Abstract: A system for pericardial puncture includes a medical device having an elongate shaft extending between a proximal end and a distal end, and having a distally facing electrode at the distal end of the shaft. An impedance meter is electrically connectable with the electrode for measuring an impedance associated with the electrode. A display is provided for displaying an indication of a position of the electrode. The indication of the position is based on of the impedance.Type: ApplicationFiled: August 4, 2021Publication date: February 17, 2022Inventors: Brock Miller, Matthew Gravett, Kai-Lon Fok, Rund Abou-Marie
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Publication number: 20220022914Abstract: A system of medical devices includes a needle, an endoscope, and an introducer. The needle extends between a needle proximal portion and a needle distal portion having a puncturing tip. The endoscope extends between an endoscope proximal portion and an endoscope distal portion having a camera. The introducer is for guiding the needle and the endoscope towards a target location. The introducer extends between an introducer proximal portion and an introducer distal portion and has a first lumen extending therethrough from the introducer proximal portion to the introducer distal portion and a second lumen extending therethrough from the introducer proximal portion to the introducer distal portion. The needle is advanceable through the first lumen to position the puncturing tip proud of the introducer distal portion and the endoscope is advanceable through the second lumen to position the camera proximate the introducer distal portion and outside of the lumen.Type: ApplicationFiled: July 16, 2021Publication date: January 27, 2022Inventors: Brock Miller, Matthew Gravett, Kai-Lon Fok, Rund Abou-Marie
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Publication number: 20220015804Abstract: A pericardial puncture device includes an introducer, a needle, and an actuator. The introducer has a lumen and extends between an introducer proximal portion defining an introducer proximal end and an introducer distal portion defining an introducer distal end. The needle is received in the lumen and extends between a needle proximal portion and a needle distal portion having a sharp distal tip. The needle is movable from a retracted configuration to an advanced configuration. In the retracted configuration, the sharp distal tip is within the lumen and shy of the introducer distal end. In the advanced configuration, the sharp distal tip outside of the lumen and proud of the introducer distal end. The actuator includes a handle that is rotatable in a first direction with respect to the introducer to drive movement of the needle from the retracted configuration towards the advanced configuration.Type: ApplicationFiled: July 14, 2021Publication date: January 20, 2022Inventors: Brock Miller, Matthew Gravett, Kai-Lon Fok
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Publication number: 20210137584Abstract: Methods and apparatus are disclosed for puncturing tissue, including a surgical introducer with a stiff main body and a flexible tip which can be used with a puncture device to gain epicardial access. The surgical introducer comprises an introducer shaft having a rigid portion and a flexible tip portion. The rigid portion has a metal tube extending to the rigid portion distal end. The flexible tip portion is distal of the metal tube distal end. The flexible tip portion includes a first polymer and a second polymer, wherein the second polymer is more flexible than the first polymer. The second polymer extends distally from the metal tube distal end to define a second polymer flexible tip segment. The first polymer extends distally from the second polymer flexible tip segment end to define a flexible tip portion cap.Type: ApplicationFiled: November 12, 2020Publication date: May 13, 2021Inventors: John Paul Urbanski, Brock Miller, Matthew Gravett, Rund Abou-Marie, Kai-Lon Fok, Maria Luk, Ahmad Kamal
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Publication number: 20210068892Abstract: A method and apparatus are disclosed for puncturing a target tissue. Apparatus includes an elongate puncture device having a tip electrode that is configured for collecting EGMs and for delivering energy for puncturing the target tissue. The method comprising collecting EGMs to indirectly measure and monitor a pressure applied against the target tissue by the elongate puncture device, thereby confirming a position of the tip electrode of the elongate puncture device relative to the target tissue.Type: ApplicationFiled: May 7, 2019Publication date: March 11, 2021Inventors: John Paul Urbanski, Brock Miller, Matthew Gravett, Rund Abou-Marie, Maria Luk, Ahmad Kamal
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Patent number: D854686Type: GrantFiled: May 7, 2018Date of Patent: July 23, 2019Assignee: Baylis Medical Company Inc.Inventors: Matthew Gravett, Jeffery Arnett, Lyndsay Stephenson