A61B 18/02
Surgical instruments, devices or methods for transferring non-mechanical forms of energy to
Official title: by cooling, e.g. cryogenic techniques
A61B18/02 (Surgical instruments, devices or methods for transferring non-mechanical forms of energy to) appears on 3,053 US grants and 4,286 published applications in this corpus.
Search patents in A61B- Granted patents
- 3,053
- Published applications
- 4,286
- Assignees
- 921
- Inventors
- 4,057
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 14 | 0 |
| 1997 | 14 | 0 |
| 1998 | 26 | 0 |
| 1999 | 33 | 0 |
| 2000 | 39 | 0 |
| 2001 | 44 | 23 |
| 2002 | 41 | 96 |
| 2003 | 68 | 69 |
| 2004 | 57 | 93 |
| 2005 | 49 | 98 |
| 2006 | 43 | 78 |
| 2007 | 37 | 103 |
| 2008 | 45 | 136 |
| 2009 | 29 | 106 |
| 2010 | 56 | 149 |
| 2011 | 63 | 151 |
| 2012 | 63 | 202 |
| 2013 | 107 | 191 |
| 2014 | 136 | 217 |
| 2015 | 190 | 241 |
| 2016 | 161 | 211 |
| 2017 | 143 | 202 |
| 2018 | 170 | 201 |
| 2019 | 153 | 259 |
| 2020 | 149 | 251 |
| 2021 | 169 | 254 |
| 2022 | 153 | 210 |
| 2023 | 192 | 233 |
| 2024 | 204 | 211 |
| 2025 | 196 | 169 |
| 2026 | 107 | 132 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61B 2018/0212Using an instrument inserted into a body lumenIndexing code1,552
- A61B 2018/0231Characteristics of handpieces or probesIndexing code1,157
- A61B 18/0218With open-end cryogenic probe349
- A61B 2018/0293Using an instrument interstitially inserted into the bodyIndexing code341
- A61B 2018/0225Using an instrument for clamping tissueIndexing code128
- A61B 18/0206Ultrasonic122
Recent patents
- Methods, systems, and devices for treating nerve spasticity6 Oct 2026US 12,751,858 B2Pacira CryoTech, Inc.
- Controllable expandable catheter29 Sep 2026US 12,746,365 B2St. Jude Medical, Cardiology Division, Inc.
- Deployable assembly sleeve for ablation probe with deployable sensors22 Sep 2026US 12,740,819 B2CPSI Holdings LLC
- Adapting component for enabling cryogenic cardiac device use in nerve block22 Sep 2026US 12,740,820 B2AtriCure, Inc.
- Combination probe for cryoablation and thermal ablation with external heater15 Sep 2026US 12,733,968 B2Varian Medical Systems, Inc.
- Safe adaptive machine learning-based control for cold atmospheric plasma biomedical devices8 Oct 2026US 2026/0306160 A1The Regents of the University of California
- Catheter with multiple cryotherapy delivery sites1 Oct 2026US 2026/0294500 A1
- Directional ablation device1 Oct 2026US 2026/0294501 A1Corfigo, Inc.
- Refrigerant electromechanical control1 Oct 2026US 2026/0294502 A1Cryotherapeutics GmbH
- Balloon contact assessment using sensors1 Oct 2026US 2026/0294503 A1Medtronic CryoCath LP
Most cited
By later US patents
- Articulating endometrial ablation device2,066US 6,066,132 AEthicon, Inc. · 2000
- Cool-tip radiofrequency thermosurgery electrode system for tumor ablation1,772US 6,575,969 B1Sherwood Services AG · 2003
- Apparatus and method for treating cardiac arrhythmias1,580US 5,391,199 ABiosense, Inc. · 1995
- System for determining the location and orientation of an invasive medical instrument1,444US 6,690,963 B2Biosense, Inc. · 2004
- User interface for tissue ablation system1,279US 8,657,814 B2Medtronic Ablation Frontiers LLC · 2014