CA2470150A1 - Procede et dispositif selectifs servant a mettre un organe en hypothermie - Google Patents
Procede et dispositif selectifs servant a mettre un organe en hypothermie Download PDFInfo
- Publication number
- CA2470150A1 CA2470150A1 CA002470150A CA2470150A CA2470150A1 CA 2470150 A1 CA2470150 A1 CA 2470150A1 CA 002470150 A CA002470150 A CA 002470150A CA 2470150 A CA2470150 A CA 2470150A CA 2470150 A1 CA2470150 A1 CA 2470150A1
- Authority
- CA
- Canada
- Prior art keywords
- heat transfer
- working fluid
- catheter
- transfer element
- supply conduit
- 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.)
- Abandoned
Links
- 230000002631 hypothermal effect Effects 0.000 title claims abstract description 21
- 210000000056 organ Anatomy 0.000 title abstract description 33
- 238000000034 method Methods 0.000 title abstract description 5
- 238000012546 transfer Methods 0.000 claims abstract description 79
- 239000012530 fluid Substances 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 7
- 241000124008 Mammalia Species 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 abstract description 28
- 210000001367 artery Anatomy 0.000 abstract description 23
- 239000008280 blood Substances 0.000 abstract description 17
- 210000004369 blood Anatomy 0.000 abstract description 17
- 230000002792 vascular Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 35
- 210000004556 brain Anatomy 0.000 description 14
- 210000004004 carotid artery internal Anatomy 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000017531 blood circulation Effects 0.000 description 7
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 7
- 229910001000 nickel titanium Inorganic materials 0.000 description 7
- 208000014674 injury Diseases 0.000 description 6
- 230000004087 circulation Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 210000002216 heart Anatomy 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
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- 239000004677 Nylon Substances 0.000 description 2
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 206010003119 arrhythmia Diseases 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000036770 blood supply Effects 0.000 description 2
- 230000000747 cardiac effect Effects 0.000 description 2
- 230000002612 cardiopulmonary effect Effects 0.000 description 2
- 210000001715 carotid artery Anatomy 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
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- 229920001778 nylon Polymers 0.000 description 2
- 230000008816 organ damage Effects 0.000 description 2
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- 238000004382 potting Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- OPFTUNCRGUEPRZ-UHFFFAOYSA-N (+)-beta-Elemen Natural products CC(=C)C1CCC(C)(C=C)C(C(C)=C)C1 OPFTUNCRGUEPRZ-UHFFFAOYSA-N 0.000 description 1
- OPFTUNCRGUEPRZ-QLFBSQMISA-N (-)-beta-elemene Chemical compound CC(=C)[C@@H]1CC[C@@](C)(C=C)[C@H](C(C)=C)C1 OPFTUNCRGUEPRZ-QLFBSQMISA-N 0.000 description 1
- UJPMYEOUBPIPHQ-UHFFFAOYSA-N 1,1,1-trifluoroethane Chemical compound CC(F)(F)F UJPMYEOUBPIPHQ-UHFFFAOYSA-N 0.000 description 1
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 241000269350 Anura Species 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 206010051283 Fluid imbalance Diseases 0.000 description 1
- 206010016803 Fluid overload Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 241000282520 Papio Species 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000005800 cardiovascular problem Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000036757 core body temperature Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000002254 renal artery Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000011477 surgical intervention Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 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
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
-
- 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
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0231—Characteristics of handpieces or probes
- A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
Landscapes
- Thermotherapy And Cooling Therapy Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/012,287 US6051019A (en) | 1998-01-23 | 1998-01-23 | Selective organ hypothermia method and apparatus |
| US09/012,287 | 1998-01-23 | ||
| CA002318084A CA2318084C (fr) | 1998-01-23 | 1999-01-21 | Procede et dispositif selectifs servant a mettre un organe en hypothermie |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002318084A Division CA2318084C (fr) | 1998-01-23 | 1999-01-21 | Procede et dispositif selectifs servant a mettre un organe en hypothermie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2470150A1 true CA2470150A1 (fr) | 1999-07-29 |
Family
ID=32772528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002470150A Abandoned CA2470150A1 (fr) | 1998-01-23 | 1999-01-21 | Procede et dispositif selectifs servant a mettre un organe en hypothermie |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2470150A1 (fr) |
-
1999
- 1999-01-21 CA CA002470150A patent/CA2470150A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |