CA2521267A1 - Aiguille d'ablation rf refroidie - Google Patents
Aiguille d'ablation rf refroidie Download PDFInfo
- Publication number
- CA2521267A1 CA2521267A1 CA 2521267 CA2521267A CA2521267A1 CA 2521267 A1 CA2521267 A1 CA 2521267A1 CA 2521267 CA2521267 CA 2521267 CA 2521267 A CA2521267 A CA 2521267A CA 2521267 A1 CA2521267 A1 CA 2521267A1
- Authority
- CA
- Canada
- Prior art keywords
- ablation
- heat sink
- needle
- distal end
- ablation needle
- 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.)
- Granted
Links
- 238000002679 ablation Methods 0.000 title claims abstract description 305
- 239000012530 fluid Substances 0.000 claims abstract description 48
- 239000012809 cooling fluid Substances 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000010438 granite Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000003902 lesion Effects 0.000 description 14
- 230000000712 assembly Effects 0.000 description 13
- 238000000429 assembly Methods 0.000 description 13
- 230000005856 abnormality Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007674 radiofrequency ablation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- -1 for example Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910001006 Constantan Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002603 single-photon emission computed tomography Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000008733 trauma Effects 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
- A61B18/1477—Needle-like probes
-
- 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
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
-
- 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
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2521267A CA2521267C (fr) | 2005-09-27 | 2005-09-27 | Aiguille d'ablation rf refroidie |
| CA2848436A CA2848436A1 (fr) | 2005-09-27 | 2005-09-27 | Aiguille d'ablation rf refroidie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2521267A CA2521267C (fr) | 2005-09-27 | 2005-09-27 | Aiguille d'ablation rf refroidie |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2848436A Division CA2848436A1 (fr) | 2005-09-27 | 2005-09-27 | Aiguille d'ablation rf refroidie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2521267A1 true CA2521267A1 (fr) | 2007-03-27 |
| CA2521267C CA2521267C (fr) | 2014-07-08 |
Family
ID=37904906
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2521267A Expired - Fee Related CA2521267C (fr) | 2005-09-27 | 2005-09-27 | Aiguille d'ablation rf refroidie |
| CA2848436A Abandoned CA2848436A1 (fr) | 2005-09-27 | 2005-09-27 | Aiguille d'ablation rf refroidie |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2848436A Abandoned CA2848436A1 (fr) | 2005-09-27 | 2005-09-27 | Aiguille d'ablation rf refroidie |
Country Status (1)
| Country | Link |
|---|---|
| CA (2) | CA2521267C (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI631925B (zh) * | 2017-03-31 | 2018-08-11 | 國立臺灣科技大學 | 醫療用針具及維持針具銳利度之方法 |
| CN111956323A (zh) * | 2020-08-28 | 2020-11-20 | 南京诺源医疗器械有限公司 | 一种可调节温度的消融针 |
| CN117503344A (zh) * | 2023-12-12 | 2024-02-06 | 中国人民解放军总医院第一医学中心 | 多根穿刺针功率确认方法、装置、电子设备及存储介质 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111938809A (zh) * | 2020-08-19 | 2020-11-17 | 南京诺源医疗器械有限公司 | 一种水冷降温型消融针 |
| CN116058957B (zh) * | 2021-10-29 | 2025-11-21 | 上海美微达医疗科技有限公司 | 一种具有止血功能的射频消融系统 |
-
2005
- 2005-09-27 CA CA2521267A patent/CA2521267C/fr not_active Expired - Fee Related
- 2005-09-27 CA CA2848436A patent/CA2848436A1/fr not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI631925B (zh) * | 2017-03-31 | 2018-08-11 | 國立臺灣科技大學 | 醫療用針具及維持針具銳利度之方法 |
| CN111956323A (zh) * | 2020-08-28 | 2020-11-20 | 南京诺源医疗器械有限公司 | 一种可调节温度的消融针 |
| CN117503344A (zh) * | 2023-12-12 | 2024-02-06 | 中国人民解放军总医院第一医学中心 | 多根穿刺针功率确认方法、装置、电子设备及存储介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2521267C (fr) | 2014-07-08 |
| CA2848436A1 (fr) | 2007-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20160927 |
|
| MKLA | Lapsed |
Effective date: 20160927 |