CA2123960C - Current sensor for medical devices with continuity monitor - Google Patents
Current sensor for medical devices with continuity monitor Download PDFInfo
- Publication number
- CA2123960C CA2123960C CA002123960A CA2123960A CA2123960C CA 2123960 C CA2123960 C CA 2123960C CA 002123960 A CA002123960 A CA 002123960A CA 2123960 A CA2123960 A CA 2123960A CA 2123960 C CA2123960 C CA 2123960C
- Authority
- CA
- Canada
- Prior art keywords
- current
- conductor
- load
- primary
- source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004020 conductor Substances 0.000 claims abstract description 85
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 235000001537 Ribes X gardonianum Nutrition 0.000 description 1
- 235000001535 Ribes X utile Nutrition 0.000 description 1
- 235000016919 Ribes petraeum Nutrition 0.000 description 1
- 244000281247 Ribes rubrum Species 0.000 description 1
- 235000002355 Ribes spicatum Nutrition 0.000 description 1
- 210000003815 abdominal wall Anatomy 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004303 peritoneum Anatomy 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1487—Trocar-like, i.e. devices producing an enlarged transcutaneous opening
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
- A61B18/1233—Generators therefor with circuits for assuring patient safety
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00827—Current
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of Current Or Voltage (AREA)
- Surgical Instruments (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/069,359 US5436566A (en) | 1992-03-17 | 1993-06-01 | Leakage capacitance compensating current sensor for current supplied to medical device loads |
| US08/069,359 | 1993-06-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2123960A1 CA2123960A1 (en) | 1994-12-02 |
| CA2123960C true CA2123960C (en) | 2005-07-05 |
Family
ID=22088457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002123960A Expired - Lifetime CA2123960C (en) | 1993-06-01 | 1994-05-19 | Current sensor for medical devices with continuity monitor |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JP3529837B2 (de) |
| AU (1) | AU671902B2 (de) |
| CA (1) | CA2123960C (de) |
| DE (1) | DE4419070C2 (de) |
| FR (1) | FR2706041B1 (de) |
| GB (1) | GB2278548B (de) |
| IT (1) | ITGE940066A1 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD709196S1 (en) | 2013-03-15 | 2014-07-15 | Megadyne Medical Products, Inc. | Hand piece |
| US8882768B2 (en) | 2009-04-24 | 2014-11-11 | Megadyne Medical Products, Inc. | Hand piece with adjustable utility conduit |
| US8882767B2 (en) | 2009-04-24 | 2014-11-11 | Megadyne Medical Products, Inc. | Electrosurgical instrument with adjustable utility conduit |
| US9259260B2 (en) | 2013-03-14 | 2016-02-16 | Megadyne Medical Products, Inc. | Fluid evacuation device |
| US9375253B2 (en) | 2013-03-14 | 2016-06-28 | Megadyne Medical Products, Inc. | Electrosurgical instrument |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5436566A (en) * | 1992-03-17 | 1995-07-25 | Conmed Corporation | Leakage capacitance compensating current sensor for current supplied to medical device loads |
| GB0002607D0 (en) * | 2000-02-05 | 2000-03-29 | Smiths Industries Plc | Cable testing |
| DE10211763A1 (de) * | 2002-03-14 | 2003-09-25 | Abb Research Ltd | Verfahren zum Bestimmen von Spannungseinkopplungen in Signalkabel |
| US7465302B2 (en) | 2004-08-17 | 2008-12-16 | Encision, Inc. | System and method for performing an electrosurgical procedure |
| US7422589B2 (en) | 2004-08-17 | 2008-09-09 | Encision, Inc. | System and method for performing an electrosurgical procedure |
| WO2006023456A2 (en) * | 2004-08-17 | 2006-03-02 | Encision, Inc. | System and method for monitoring eletrosurgical instruments |
| US20060041252A1 (en) | 2004-08-17 | 2006-02-23 | Odell Roger C | System and method for monitoring electrosurgical instruments |
| US9833281B2 (en) | 2008-08-18 | 2017-12-05 | Encision Inc. | Enhanced control systems including flexible shielding and support systems for electrosurgical applications |
| US8500728B2 (en) | 2008-08-18 | 2013-08-06 | Encision, Inc. | Enhanced control systems including flexible shielding and support systems for electrosurgical applications |
| CA3130978A1 (en) | 2019-02-21 | 2020-08-27 | Envoy Medical Corporation | Implantable cochlear system with integrated components and lead characterization |
| US11564046B2 (en) | 2020-08-28 | 2023-01-24 | Envoy Medical Corporation | Programming of cochlear implant accessories |
| US11806531B2 (en) | 2020-12-02 | 2023-11-07 | Envoy Medical Corporation | Implantable cochlear system with inner ear sensor |
| US11697019B2 (en) | 2020-12-02 | 2023-07-11 | Envoy Medical Corporation | Combination hearing aid and cochlear implant system |
| US11471689B2 (en) | 2020-12-02 | 2022-10-18 | Envoy Medical Corporation | Cochlear implant stimulation calibration |
| US12081061B2 (en) | 2021-02-23 | 2024-09-03 | Envoy Medical Corporation | Predicting a cumulative thermal dose in implantable battery recharge systems and methods |
| US11839765B2 (en) | 2021-02-23 | 2023-12-12 | Envoy Medical Corporation | Cochlear implant system with integrated signal analysis functionality |
| US11633591B2 (en) | 2021-02-23 | 2023-04-25 | Envoy Medical Corporation | Combination implant system with removable earplug sensor and implanted battery |
| US11865339B2 (en) | 2021-04-05 | 2024-01-09 | Envoy Medical Corporation | Cochlear implant system with electrode impedance diagnostics |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3626698C2 (de) * | 1985-08-26 | 1993-12-02 | Siemens Ag | HF-Chirurgiegerät |
| DE3621572C2 (de) * | 1985-12-16 | 1994-07-14 | Siemens Ag | Schaltungsanordnung zum Betrieb eines HF-Chirurgiegerätes |
| ATE62766T1 (de) * | 1986-03-04 | 1991-05-15 | Siemens Ag | Kapazitives intrusionsschutzsystem. |
| GB2213381B (en) * | 1987-12-12 | 1992-06-03 | Univ Wales Medicine | Surgical diathermy instruments |
| DE3824913A1 (de) * | 1988-07-22 | 1990-02-01 | Thomas Hill | Einrichtung zur ueberwachung von hochfrequenten elektrischen leckstroemen |
| US5152762A (en) * | 1990-11-16 | 1992-10-06 | Birtcher Medical Systems, Inc. | Current leakage control for electrosurgical generator |
| US5432459A (en) * | 1992-03-17 | 1995-07-11 | Conmed Corporation | Leakage capacitance compensating current sensor for current supplied to medical device loads with unconnected reference conductor |
| AU659261B2 (en) * | 1992-06-19 | 1995-05-11 | Conmed Corporation | Electrosurgical trocar assembly |
| DE4237761C2 (de) * | 1992-11-09 | 2002-07-11 | Storz Karl Gmbh & Co Kg | Einrichtung für die Hochfrequenzchirurgie |
-
1994
- 1994-04-22 AU AU60627/94A patent/AU671902B2/en not_active Expired
- 1994-05-19 JP JP10525194A patent/JP3529837B2/ja not_active Expired - Fee Related
- 1994-05-19 CA CA002123960A patent/CA2123960C/en not_active Expired - Lifetime
- 1994-05-23 GB GB9410305A patent/GB2278548B/en not_active Expired - Lifetime
- 1994-05-25 IT IT94GE000066A patent/ITGE940066A1/it unknown
- 1994-05-31 DE DE4419070A patent/DE4419070C2/de not_active Expired - Lifetime
- 1994-06-01 FR FR9406700A patent/FR2706041B1/fr not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8882768B2 (en) | 2009-04-24 | 2014-11-11 | Megadyne Medical Products, Inc. | Hand piece with adjustable utility conduit |
| US8882767B2 (en) | 2009-04-24 | 2014-11-11 | Megadyne Medical Products, Inc. | Electrosurgical instrument with adjustable utility conduit |
| US9259260B2 (en) | 2013-03-14 | 2016-02-16 | Megadyne Medical Products, Inc. | Fluid evacuation device |
| US9375253B2 (en) | 2013-03-14 | 2016-06-28 | Megadyne Medical Products, Inc. | Electrosurgical instrument |
| USD709196S1 (en) | 2013-03-15 | 2014-07-15 | Megadyne Medical Products, Inc. | Hand piece |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4419070C2 (de) | 1999-08-26 |
| JP3529837B2 (ja) | 2004-05-24 |
| FR2706041B1 (fr) | 1996-03-15 |
| AU671902B2 (en) | 1996-09-12 |
| DE4419070A1 (de) | 1994-12-08 |
| GB9410305D0 (en) | 1994-07-13 |
| GB2278548A (en) | 1994-12-07 |
| ITGE940066A1 (it) | 1995-11-25 |
| ITGE940066A0 (it) | 1994-05-25 |
| FR2706041A1 (fr) | 1994-12-09 |
| AU6062794A (en) | 1994-12-08 |
| CA2123960A1 (en) | 1994-12-02 |
| JPH07412A (ja) | 1995-01-06 |
| GB2278548B (en) | 1996-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20140520 |