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公开(公告)号：US11976921B2
公开(公告)日：2024-05-07
申请号：US17834173
申请日：2022-06-07
Applicant: PENUMBRA, INC.
Inventor： Michael D. Collins , Alejandro S. Diaz , Oded Y. Zur , Cameron J. Mahon , Branislav Vasilijevic , Amir Rubin
IPC: G01R33/025 , G01B7/00
CPC classification number: G01B7/003 , G01R33/025
Abstract: A method and apparatus for reducing magnetic tracking error in the position and orientation determined in a magnetic tracking system having a magnetic field generator. In some embodiments, the measured position and orientation of a sensor is compared to an expected theoretical position and orientation. Any error is assumed to be from “floor distortion,” i.e., eddy currents in the floor caused by the magnetic field generated by the magnetic field transmitter. The floor distortion is modeled as being caused by eddy currents caused by a second magnetic field transmitter that is a reflection of the actual transmitter. An algorithm iteratively searches over a parameter space to minimize the difference between the measured position and orientation and the theoretical position and orientation, and applies a correction to the measured position and orientation. The measurements and corrections of the position and orientation run in real-time with no additional hardware or calibration required.
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公开(公告)号：US20240053821A1
公开(公告)日：2024-02-15
申请号：US18185254
申请日：2023-03-16
Applicant: Penumbra, Inc.
Inventor： William Ka-Pui Yee , Jeffrey Peter Bellinghausen
CPC classification number: G06F3/013 , G09G3/003 , G06F1/163 , A61B3/113 , A61B3/0025 , A61B3/103 , G09G2354/00 , G09G2340/045 , G09G2320/066 , G09G2320/0626
Abstract: A method for compensating for a visual impairment in a virtual reality environment, by multiple computer systems associated with a head mounted display, including, rendering an image for display in a virtual reality environment, identifying, based at least in part on an input received by the head mounted display, a visual impairment associated with a user of the head mounted display, determining one or more visual adjustments to the head mounted display based on the identified visual impairment, and rendering an adjusted image for display in the virtual reality environment based on the one or more visual adjustments.
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公开(公告)号：US20240032833A1
公开(公告)日：2024-02-01
申请号：US18209876
申请日：2023-06-14
Applicant: Penumbra, Inc.
Inventor： Joel Breton , William Ka-Pui Yee
IPC: A61B5/16 , A61B5/0205 , A61B5/00 , G16H20/70
CPC classification number: A61B5/165 , A61B5/02055 , A61B5/748 , A61B5/7435 , G16H20/70 , G16H50/20
Abstract: Systems and methods may provide assessment tools such as assessment prompts, to solicit feedback from patients at regular intervals, track patient progress, and recommend VR activities. A VR therapy platform may use a VR assessment to request patient feedback related to conditions such as anxiety, depression, and/or pain. Based on patient-provided assessment responses, a VR therapy platform may categorize the patient responses and recommend one or more appropriate VR activities to help reduce the intensity of the patient's reported state(s). In some embodiments, VR activity recommendations may be based on patient-reported feedback and biometric measurements. In some embodiments, a VR therapy platform may compare a patient's assessment responses with biometric measurements taken at or around the same time, along with a patient's health history, to determine whether patient responses may be contradictory or biased, and thus potentially requiring adjustment prior to recommending VR activities.
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公开(公告)号：US11660437B2
公开(公告)日：2023-05-30
申请号：US17243810
申请日：2021-04-29
Applicant: Penumbra, Inc.
Inventor： Vinita Verma
CPC classification number: A61M39/0606 , A61F2/95 , A61F2/9517 , A61M2207/00
Abstract: A hemostasis valve for use with catheters in intravascular procedures. The hemostasis valve comprising a sealable fluid channel that bifurcates from a single distal lumen to two proximal lumens. An upper proximal lumen may include a funnel shaped opening to improve aspiration potential. Rotating locking mechanisms are attachable at the ends of the hemostasis valve to interlock coaxial devices or to form seals around coaxial devices. Injection molding may be used to manufacture a hemostasis valve and its components. A mold and core pins may impart external and internal shapes to a molten polymer. Once the polymer has cooled, the molded component is separated from any pins or molds and attached to other molded components to form an assembled hemostasis valve.
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公开(公告)号：US11586276B2
公开(公告)日：2023-02-21
申请号：US17276548
申请日：2019-07-22
Applicant: PENUMBRA, INC.
Inventor： Hans Winold , Joseph White , Ryan Corniel , Mark Samuel Gutentag , John Lockhart
Abstract: A system for generating complementary data for a visual display that includes one or plurality of wearable sensors that collect tracking data for a users position, orientation, and movement. The sensor(s) are in communication with at least one processor that may be configured to receive tracking data, identify missing tracking data, generate complementary data to substitute for missing tracking data, generate a 3D model comprised of tracking data and complementary data, and communicate the 3D model to a display. Complementary tracking data may be generated by comparison to a key pose library, by comparison to past tracking data, or by inverse kinematics.
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Patent Agency Ranking
56.发明申请公开(公告)号：US20230023609A1
公开(公告)日：2023-01-26
申请号：US17382788
申请日：2021-07-22
Applicant: PENUMBRA, INC.
Inventor： Hans Peter Winold , Andrew Taylor Langley
Abstract: A system and method for generating simulated full limb animations in real time based on sensor and tracking data. A computing environment for receiving and processing tracking data from one or more sensors, for mapping tracking data onto a 3D model having a skeletal hierarchy and a surface topology, and for rendering an avatar for display in virtual reality. A method for animating a full-bodied avatar from tracking data collected from an amputee. A means for determining, predicting, or modulating movements an amputee intends to make with his or her simulated full limb. A modified inverse kinematics method for arbitrarily and artificially overriding a position and orientation of a tracked end effector. Synchronous virtual reality therapeutic activities with predefined movement patterns that may modulate animations.
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公开(公告)号：US20220280171A1
公开(公告)日：2022-09-08
申请号：US17687435
申请日：2022-03-04
Applicant: Penumbra, Inc.
Inventor： Scott Teigen , Steven Loisel , Stephen Pons , Ben Tompkins
Abstract: A blood clot removal system including an aspiration catheter, an external unit having a first pressure sensor, a base unit having a second pressure sensor, a vacuum source connected to the base unit, connection tubing connecting the external unit to the aspiration catheter and the base unit, controllable sensory indicators, and a controller to receive a first pressure from the first pressure sensor and a second pressure from the second pressure sensor, determine a pressure differential based on the first pressure and the second pressure, determine a current catheter state from a plurality of catheter states based on the pressure differential, and transmit, via the one or more sensory indicators, one or more sensory indications of the current catheter state.
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58.发明授权公开(公告)号：US11337712B2
公开(公告)日：2022-05-24
申请号：US17387704
申请日：2021-07-28
Applicant: Penumbra, Inc.
Inventor： Scott Teigen , Steven Loisel , Stephen Pons , Ben Tompkins
Abstract: An aspiration thrombectomy system, comprising an aspiration catheter having a proximal end and a distal end, wherein the proximal end of the aspiration catheter comprises a lumen configured to accommodate fluid, a vacuum source comprising a controllable vacuum valve, and a controller configured to detect a change in a connection between the aspiration catheter and the aspiration thrombectomy system, wherein the controller is further configured to change a pulsation protocol associated with the aspiration catheter responsive to the change in the connection between the aspiration catheter and the aspiration thrombectomy system, wherein the pulsation protocol specifies pressure variations and pressure patterns to modulate the vacuum valve to change a level of vacuum at the distal end of the aspiration catheter.
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59.发明授权公开(公告)号：US11197683B1
公开(公告)日：2021-12-14
申请号：US17391874
申请日：2021-08-02
Applicant: Penumbra, Inc.
Inventor： Scott Teigen , Steven Loisel , Stephen Pons , Ben Tompkins
Abstract: An aspiration thrombectomy system, comprising a vacuum source comprising a controllable vacuum valve, a pressure source comprising a controllable pressure valve, an aspiration catheter having a proximal end and a distal end, wherein the proximal end of the aspiration catheter comprises connection tubing having a lumen configured to accommodate fluid, and wherein the connection tubing acts as a common conduit for fluid communication between the aspiration catheter and the vacuum and pressure sources via the vacuum and pressure valves, respectively, and a controller configured to open and close the vacuum and vent valves in a predetermined cycle to change a level of vacuum at the distal end of the aspiration catheter and control flow in and out from the distal end of the catheter.
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60.发明授权公开(公告)号：US11071812B2
公开(公告)日：2021-07-27
申请号：US15608023
申请日：2017-05-30
Applicant: Penumbra, Inc.
Inventor： Karthik Raman , Colin Yee , Chia-Hung Sze , Arthur John Lockhart , David Barry
Abstract: Doxorubicin is extracted from blood using anionic material, such as a resin comprising sulfonated polystyrene divinylbenzene beads, and polyethersulfone membrane, or both. After exposing the resin and/or membrane to blood in order to remove doxorubicin therefrom, the doxorubicin maybe extracted from the resin and/or membrane by exposing the material to an extraction solution, sonicating the extraction solution to enhance release of the doxorubicin, and repeating the exposure and sonication in order to remove substantially all of doxorubicin from the resin.
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