{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9649149","patent":{"patent_number":"US-9649149","title":"RF generator system for surgical vessel sealing","assignee":null,"inventors":[],"filing_date":"2015-05-05T00:00:00.000Z","publication_date":"2017-05-16T00:00:00.000Z","cpc_codes":["A61B","H02M","H02M","A61B","A61B","A61B","A61B","A61B","A61B","A61B"],"num_claims":19,"abstract":"Systems, methods, and apparatus for providing power to an electrosurgical instrument. A method of providing power to an electrosurgical instrument includes generating a non-sinusoidal driving voltage having a substantially constant driving frequency; providing the non-sinusoidal driving voltage to a series LC circuit having a resonant frequency of substantially twice the substantially constant driving frequency and configured to present an impedance that limits current spikes and voltage transient spikes during load fluctuations; generating a quasi-sinusoidal current in the series LC circuit from the non-sinusoidal driving voltage; and providing the quasi-sinusoidal current to an electrical output, wherein the electrical output is configured for coupling to an electrical input of a bipolar tissue-sealing surgical instrument."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"RF generator system for surgical vessel sealing","description":"Systems, methods, and apparatus for providing power to an electrosurgical instrument. A method of providing power to an electrosurgical instrument includes generating a non-sinusoidal driving voltage ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9649149","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9649149","citation_suggestion":"Patentable. \"RF generator system for surgical vessel sealing\" (US-9649149). https://patentable.app/patents/US-9649149","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9649149","json":"https://patentable.app/api/llm-context/US-9649149","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:41:27.565Z"}