Ablation probes including flexible circuits for heating and sensing
Summary
The USPTO granted patent US12594113B2 to Varian Medical Systems, Inc. for an ablation probe incorporating flexible circuits with radio frequency emitters for delivering RF energy to target tissue. The patent claims a shell with cryogen supply conduit and flexible circuit positioned on the outer surface. The patent contains 19 claims and was filed on June 21, 2022.
What changed
USPTO issued Patent No. US12594113B2 to Varian Medical Systems, Inc. for an ablation probe device featuring flexible circuits positioned on the probe shell outer surface. The flexible circuit includes at least one RF emitter for delivering RF energy to target tissue during ablation treatments. The probe also includes a cryogen supply conduit positioned within the shell. The patent grants Varian exclusive rights to this medical device technology.
Medical device manufacturers in the ablation therapy space should monitor this patent portfolio. Competitors developing similar flexible circuit-based ablation probes may need to evaluate potential infringement risks or consider alternative design approaches. This grant strengthens Varian's intellectual property position in RF ablation technology.
What to do next
- Monitor for updates
Source document (simplified)
Ablation probes including flexible circuits for heating and sensing
Grant US12594113B2 Kind: B2 Apr 07, 2026
Assignee
Varian Medical Systems, Inc.
Inventors
Hongxuan Zhang
Abstract
A probe for performing an ablation treatment includes a shell defining an outer surface and a cryogen supply conduit positioned in the shell. The probe also includes a flexible circuit positioned on at least a portion of the outer surface of the shell. The flexible circuit includes at least one radio frequency (RF) emitter for delivering RF energy to a target tissue.
CPC Classifications
A61B 2018/00023 A61B 18/02 A61B 18/1815 A61B 2018/0212
Filing Date
2022-06-21
Application No.
17845647
Claims
19
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