CA2318084A1 - Selective organ hypothermia method and apparatus - Google Patents
Selective organ hypothermia method and apparatus Download PDFInfo
- Publication number
- CA2318084A1 CA2318084A1 CA002318084A CA2318084A CA2318084A1 CA 2318084 A1 CA2318084 A1 CA 2318084A1 CA 002318084 A CA002318084 A CA 002318084A CA 2318084 A CA2318084 A CA 2318084A CA 2318084 A1 CA2318084 A1 CA 2318084A1
- Authority
- CA
- Canada
- Prior art keywords
- catheter
- distal tip
- cool
- heat transfer
- organ
- 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
- 210000000056 organ Anatomy 0.000 title abstract 5
- 230000002631 hypothermal effect Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 210000001367 artery Anatomy 0.000 abstract 2
- 239000003507 refrigerant Substances 0.000 abstract 2
- 239000008280 blood Substances 0.000 abstract 1
- 210000004369 blood Anatomy 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000002792 vascular Effects 0.000 abstract 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/12—Devices for heating or cooling internal body cavities
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0054—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
- A61F2007/0056—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water for cooling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/12—Devices for heating or cooling internal body cavities
- A61F2007/126—Devices for heating or cooling internal body cavities for invasive application, e.g. for introducing into blood vessels
Abstract
The present invention is a method, and apparatus for performing hypothermia of a selected body organ without significant effect on surrounding organs or other tissue. A flexible catheter (10) is inserted through the vascular system of a patient to place the distal tip (26) of the catheter in an artery feeding the selected organ. A compressed refrigerant is pumped through the catheter to an expansion element (22) near the distal tip of the catheter, where the refrigerant vaporizes, and expands to cool a flexible heat transfer element (24) in the distal tip of the catheter. The heat transfer element cools the blood flowing through the artery to cool the selected organ, distal to the tip of the catheter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002470150A CA2470150A1 (en) | 1998-01-23 | 1999-01-21 | Selective organ hypothermia method and apparatus |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/012,287 | 1998-01-23 | ||
US09/012,287 US6051019A (en) | 1998-01-23 | 1998-01-23 | Selective organ hypothermia method and apparatus |
PCT/US1999/001275 WO1999037226A1 (en) | 1998-01-23 | 1999-01-21 | Selective organ hypothermia method and apparatus |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002470150A Division CA2470150A1 (en) | 1998-01-23 | 1999-01-21 | Selective organ hypothermia method and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2318084A1 true CA2318084A1 (en) | 1999-07-29 |
CA2318084C CA2318084C (en) | 2005-01-11 |
Family
ID=21754252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002318084A Expired - Fee Related CA2318084C (en) | 1998-01-23 | 1999-01-21 | Selective organ hypothermia method and apparatus |
Country Status (7)
Country | Link |
---|---|
US (5) | US6051019A (en) |
EP (1) | EP1049412B1 (en) |
JP (1) | JP3548530B2 (en) |
AT (1) | ATE552791T1 (en) |
AU (1) | AU739996B2 (en) |
CA (1) | CA2318084C (en) |
WO (1) | WO1999037226A1 (en) |
Families Citing this family (270)
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-
1998
- 1998-01-23 US US09/012,287 patent/US6051019A/en not_active Expired - Lifetime
- 1998-03-24 US US09/047,012 patent/US5957963A/en not_active Expired - Lifetime
-
1999
- 1999-01-21 AT AT99904172T patent/ATE552791T1/en active
- 1999-01-21 WO PCT/US1999/001275 patent/WO1999037226A1/en active IP Right Grant
- 1999-01-21 JP JP2000528218A patent/JP3548530B2/en not_active Expired - Fee Related
- 1999-01-21 EP EP99904172A patent/EP1049412B1/en not_active Expired - Lifetime
- 1999-01-21 AU AU24625/99A patent/AU739996B2/en not_active Ceased
- 1999-01-21 CA CA002318084A patent/CA2318084C/en not_active Expired - Fee Related
- 1999-05-07 US US09/306,866 patent/US6235048B1/en not_active Expired - Lifetime
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2000
- 2000-08-30 US US09/650,940 patent/US6482226B1/en not_active Expired - Lifetime
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2002
- 2002-05-29 US US10/158,406 patent/US6755850B2/en not_active Expired - Lifetime
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US6482226B1 (en) | 2002-11-19 |
WO1999037226A1 (en) | 1999-07-29 |
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US6235048B1 (en) | 2001-05-22 |
EP1049412A4 (en) | 2006-11-22 |
US5957963A (en) | 1999-09-28 |
ATE552791T1 (en) | 2012-04-15 |
AU2462599A (en) | 1999-08-09 |
US6755850B2 (en) | 2004-06-29 |
US20020198578A1 (en) | 2002-12-26 |
JP3548530B2 (en) | 2004-07-28 |
CA2318084C (en) | 2005-01-11 |
JP2002500915A (en) | 2002-01-15 |
US6051019A (en) | 2000-04-18 |
AU739996B2 (en) | 2001-10-25 |
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