USPTO Patent Grants - Medical Devices (A61M)

V-Wave Interatrial Shunt Patent US12599756B2 Granted April 14

USPTO granted patent US12599756B2 to V-Wave Ltd. covering interatrial shunt devices with in vivo adjustable dimensions. The patent includes 14 claims for a body with shape-memory material defining a passageway through a neck region between atria, where first and second regions are superelastic at body temperature and the neck region is malleable for flow adjustment.

Bard Access Systems Catheter Tip Patent US12599748B2

The USPTO granted patent US12599748B2 to Bard Access Systems, Inc. on April 14, 2026, covering a rapidly insertable central catheter with a single-piece catheter tip design featuring uniform and non-uniform tapered sections for tissue dilation. Inventors are Glade H. Howell and Juan Sepulveda, with 16 claims allowed and application filed December 6, 2022.

KARDIUM Catheter Safety Release System, US12599747B2, Issued Apr 14, 2026

USPTO granted patent US12599747B2 to KARDIUM INC. on April 14, 2026. The patent covers medical device systems including a catheter sheath and shaft with an end effector, featuring a control element that can be severed to facilitate removal from bodily cavities. The invention also includes a liquid entry port for expedited fluid provision to distal portions. The patent contains 22 claims.

Vascular Catheter and Method - US12599755B2

USPTO granted patent US12599755B2 to I-VASC S.R.L. for a vascular catheter featuring occlusion elements and an expandable balloon between them. The catheter handle includes dual pumping devices with synchronization capabilities for fluid management. The patent contains 17 claims covering the catheter shaft, balloon mechanism, pumping system, and control handle.

Vascular Access Connector Support Device, Systems, and Methods

USPTO granted Patent US12599750B2 to Becton, Dickinson and Company for a vascular access connector support device. The patent covers a catheter system including a connector support device that is wedge-shaped to support the connector at an insertion angle. The patent names Jonathan Karl Burkholz, Curtis H. Blanchard, and Weston F. Harding as inventors.

Guidewire Assembly With Intertwined Core Wire, Acclarent, Inc.

USPTO granted patent US12599754B2 to Acclarent, Inc. for a guidewire assembly featuring a helical wire coil and a non-extensible core wire that is intertwined with the coil to inhibit longitudinal elongation. The patent, with 20 claims, was filed March 21, 2022 under Application No. 17699225.

Composition Comprising Three-Dimensional Astrocyte Bundles and Methods of Making and Using

The USPTO granted Patent US12599670B2 to the Trustees of the University of Pennsylvania covering compositions comprising three-dimensional astrocyte bundles with bipolar and aligned astrocyte processes, methods of making such compositions through ex vivo machine-driven physical stretching or growth within hydrogel micro-columns, and methods of treating nervous system injury or degeneration by implanting the compositions. The patent contains 25 claims and lists D. Kacy Cullen as inventor.

Methods of Preventing Platelet Alloimmunization and Alloimmune Platelet Refractoriness in Transfused Recipients

USPTO granted patent US12599667B2 to BLOODWORKS for methods of preventing platelet alloimmunization and alloimmune platelet refractoriness in transfused recipients. The patent covers modifying donor whole blood or platelets prior to transfusion to prevent or reduce transfusion-associated complications. The patent includes 15 claims and was filed on September 28, 2022.

Splitable Catheter Docking Station System and Method

USPTO granted patent US12599752B2 to Bard Access Systems, Inc. covering a splitable catheter docking station system for rapid insertion central catheters (RICC). The patent protects a two-step insertion system featuring a docking station that detaches from an introducer placement system, with design elements including guidewire hub, collapsible sterile barriers, and locking features to prevent premature advancement.

US Patent 12599757B2 - Fabrication Method for Complex 3D Microscale Structures

The USPTO granted Patent 12599757B2 to The Charles Stark Draper Laboratory, Inc. on April 14, 2026, covering a bilayer mold fabrication method for forming polymer and metal microstructures. The invention enables creation of complex re-entrant 3D microscale structures using laser-etching of metallic foil and plastic elastic polymer materials. Six claims were granted.

Controllable Insertion Sleeve with Guide and Control Wires

USPTO granted Patent US12599749B2 to Kardion GmbH for a controllable insertion sleeve with a guide wire extending through a cavity in the sleeve wall and at least one control wire integrated into the sleeve wall to cause curvature. The patent, with 11 claims, covers CPC classifications A61M 25/0147 and related categories. Filing date was May 30, 2019 (Application No. 17056937).

Serration Balloon Medical Device Patent Granted to Cagent Vascular

USPTO granted patent US12594406B2 to Cagent Vascular, Inc. for a serration balloon medical device. The invention comprises longitudinally extending members with periodic raised wedges attached to an angioplasty balloon via fiber coating or polymer matrix bonding. The patent includes 22 claims and was filed on June 1, 2023.

Guide Wire with Pseudoelastic Core Shaft and Auxiliary Wire - US12594404B2

USPTO granted patent US12594404B2 to ASAHI INTECC CO., LTD. for a guide wire featuring a core shaft with a pseudoelastic distal end portion and an auxiliary wire arranged parallel to the distal end portion, having high flexibility and breaking strength. The patent, assigned 4 claims, covers inventions by Keisuke Ushida and Masahiro Kashiwai.

ConvaTec Limited Catheter Medical Device Patent B2

The USPTO granted US Patent 12594399B2 to ConvaTec Limited on April 7, 2026, covering a catheter medical device. The patent discloses a tubular body portion with a proximal and distal end and a cuff mounted to the distal end portion. Assignee: ConvaTec Limited. Inventors: Mingliang Lawrence Tsai and Pavel Zeliankevich. The patent contains 20 claims under CPC classification A61M.

RESMED Vent System Patient Interface Patent Granted

USPTO granted patent US12594397B2 to ResMed Pty Ltd on April 7, 2026, covering a vent system for patient interface used in CPAP/BiPAP mask ventilation. The patent describes a vent housing with an inlet, outlet, exhaust gas orifice, and an elastically deformable moveable membrane that responds to pressure differences to regulate exhaust gas flow. The patent contains 46 claims and has a filing date of February 26, 2020.

Flush Syringe with Multiple Scrubbing Devices - US12594412B2

The USPTO granted patent US12594412B2 to Becton, Dickinson and Company for an integrated flush syringe assembly with two disinfection units containing absorbent materials, disinfectants, and peelable seals, using threaded luer lock connections and snap-fit interlocks. The patent contains 19 claims covering dual-cup assemblies with antimicrobial agents for disinfecting medical connector access ports. Medical device manufacturers and competitors should review the granted claims to assess IP scope and freedom-to-operate implications for similar fluid delivery and disinfection products.

US12594411B2 - Apparatus and Method for Joining Metal Sleeve onto Tube for Catheters

USPTO granted patent US12594411B2 to Best Medical International, Inc. covering an apparatus and process for joining metal or ceramic sleeves onto flexible tubular members for catheter applications. The invention uses friction-based material joining with rotational heating to create integral seals. The patent protects the assignee's manufacturing process for medical catheters and flexi needles.

ICU Medical Patent, Antimicrobial Delivery Device for Medical Device Connections

USPTO granted patent US12594410B2 to ICU Medical, Inc. for a device that delivers antimicrobial composition into medical device connections. The device comprises a male connector with a recess containing chlorhexidine acetate at the distal tip to prevent infection and microbial ingress. The patent includes 20 claims.

US12594409B2 - Surgical Port Sleeve with Reversibly Radially Expandable Flanges

USPTO granted Patent US12594409B2 to University Hospitals Cleveland Medical Center on April 7, 2026, covering a sleeve for retention of a surgical port with reversibly radially expandable flanges. The patent claims a first sleeve portion, a second reversibly slidable sleeve portion, a plurality of radially expandable flanges, and a reversible locking mechanism. The patent contains 13 claims and was filed on April 3, 2024 under Application No. 18853697.

Surgical Instrument Ports for Wound Retractors (US12594408B2)

The USPTO granted patent US12594408B2 to Intuitive Surgical Operations, Inc. for surgical instrument ports configured for use with wound retractors. The patent covers ports with channels to receive surgical instrument cannulas and lateral walls for engagement with wound retractor end portions. The patent has 22 claims and inventors include Brian M. Crews, Sam Crews, Craig R. Gerbi, Michael Hurst, and Sumona Adhya.

US12594407B2 - Multi-Needle Preparation Delivery Device Patent Granted to Beijing Boe Technology

The USPTO granted patent US12594407B2 to Beijing Boe Technology Development Co., Ltd. on April 7, 2026, covering a preparation delivery assembly and device with multiple needles of varying lengths. The patent includes 15 claims and is classified under A61M medical device categories. The invention features a dual-substrate design with channels and chambers for controlled delivery of preparations through needles of different lengths.

Bard Access Introducer Assembly Patent, 17 Claims

USPTO granted Patent US12594403B2 to Bard Access Systems, Inc. on April 7, 2026. The patent covers introducer components, assemblies, and methods including an access guidewire loaded in a needle assembly with a valve mechanism. The patent contains 17 claims and has a filing date of August 24, 2022.

Catheter with Serially Connected Sensing Structures and Methods of Calibration and Detection

USPTO granted Patent US12594402B2 to Biosense Webster (Israel) Ltd. covering catheters with serially connected position and pressure sensing coils designed to reduce lead breakage and failure. The patent includes methods for calibration, position/pressure sensing, and detecting magnetic field interference between catheters or metal objects using dual sensor signals as an error-check mechanism.

Delivery System with Torqueable Catheter Shaft

USPTO granted Patent US12594400B2 to Medtronic, Inc. on April 7, 2026. The patent covers a delivery system with a torqueable catheter shaft design featuring multiple polymer layers with varying stiffness, tubular braid components, and hypotube configurations for improved torque transmission. The patent contains 20 claims.

Sound Masking System for Respiratory Device, ResMed

USPTO granted Patent US12594398B2 to ResMed Sensor Technologies Limited for a sound masking system that detects air leaks from respiratory masks and emits masking sounds. The system includes a microphone, speaker, and control system to analyze audio data and determine if mask leakage noise is occurring, then triggers sound emission to mask the noise. The patent contains 20 claims and was filed on October 4, 2022.

Movable Tip Bougie Device

USPTO granted patent US12594392B2 to Imam Abdulrahman Bin Faisal University for a movable bougie tip device. The device features a tip section with holder and recoiled wire, and a bougie section with slide button for adjusting tip angle between 30° and 90°. The device prevents kinking via a recoiled wire mechanism and uses silk thread threading through an opening in the tip. Application 17994768 was filed November 28, 2022 with 17 claims.

Fisher & Paykel Healthcare, US Patent B2, 7th Apr

Fisher & Paykel Healthcare, US Patent B2, 7th Apr