USPTO Patent Grants - Medical Devices (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.

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.

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.

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.

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

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.