Medtronic Inc. Receives Patent for Innovative Hemostasis Valve Design

Strategic Insights -

Medtronic Inc. has been issued patent number 12434042 for its novel hemostasis valve design, a crucial component in introducing interventional devices into blood vessels. The invention aims to address the challenges associated with current hemostasis valves, which can allow air to enter the catheter or sheath, potentially compromising the procedure. The new design features a unique toroidal portion with multiple slits and a rim that seals with the lumen of a medical device handle. This innovation is expected to enhance the safety and efficacy of various medical procedures.

Key Takeaways:

  • The patented hemostasis valve design features a unique toroidal portion with multiple slits, which enables the passage of medical devices and prevents air from entering the catheter or sheath.
  • The invention includes a rim that seals with the lumen of a medical device handle, ensuring a secure and leak-proof connection.
  • The hemostasis valve is designed to be disposed within at least a portion of a handle for a steerable sheath, allowing for precise control and maneuverability.
  • The device is composed of at least one material from the group consisting of polyurethane and silicone, ensuring durability and biocompatibility.
  • The claims supplied by the inventors include a range of variations and combinations of the core design, highlighting the versatility and adaptability of the innovation.
  • The hemostasis valve is applicable to a range of medical procedures, including cryogenic or radiofrequency ablation, angiographic procedures, and introducer sheath placement.
  • The invention overcomes the limitations of current hemostasis valves, which can introduce risks of air entering the blood stream and compromising the procedure.
  • The innovative design is expected to enhance the safety and efficacy of various medical procedures, reducing the risk of complications and improving patient outcomes.

Statistics:

  • Patent number 12434042 was issued on October 7, 2025, for application number 20230098408, filed on August 2, 2023.
  • The patent's inventors are Howard, Stephen (Forest Lake, MN, US), Knutsen, Kevin A. (Ramsey, MN, US), Platner, Megan L. (Eden Prairie, MN, US), and Rassat, Jay T. (Buffalo, MN, US).
  • The patent has 11 claims and features a unique toroidal portion with multiple slits and a rim that seals with the lumen of a medical device handle.

Sources:

  • Howard, Stephen. Hemostasis valve orientation relative to the fluid space in a introducer sheath. U.S. Patent Number 12434042, filed August 2, 2023, and published online on October 7, 2025. Patent URL (for desktop use only): https://ppubs.uspto.gov/pubwebapp/external.html?q=(12434042)&db=USPAT&type=ids