WO2007005073A2 - Primary heat exchanger for patient temperature control - Google Patents
Primary heat exchanger for patient temperature control Download PDFInfo
- Publication number
- WO2007005073A2 WO2007005073A2 PCT/US2006/010227 US2006010227W WO2007005073A2 WO 2007005073 A2 WO2007005073 A2 WO 2007005073A2 US 2006010227 W US2006010227 W US 2006010227W WO 2007005073 A2 WO2007005073 A2 WO 2007005073A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat transfer
- transfer element
- primary
- secondary heat
- heat exchange
- Prior art date
Links
Classifications
-
- 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
- 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
-
- 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
- A61F7/0085—Devices for generating hot or cold treatment fluids
-
- 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
- A61F7/02—Compresses or poultices for effecting heating or 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
- A61F2007/0001—Body part
-
- 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
-
- 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
Definitions
- the present invention relates generally to patient temperature control systems.
- the temperature can be realized by cooling or heating the patient's entire body. Moreover, the
- venous catheters for other clinically approved purposes anyway such as drug delivery and
- coolant such as a
- the coolant from the catheter or pad flows through a heat transfer apparatus which
- the heat transfer apparatus may include
- the secondary fluid bath may be exposed, and for this reason,
- the present invention critically recognizes, however, that once the bath is no longer accessible because the primary coolant bag or cartridge is engaged with
- a heat exchange system includes a primary coolant heat transfer element through
- a secondary heat transfer element contains a bath of
- a switch connects the secondary heat transfer element to
- the switch disconnects the secondary heat transfer element from ground if the primary
- coolant heat transfer element is immersed in the bath.
- the primary heat transfer element includes a hollow sleeve moving the switch, and the sleeve
- the transfer element can include a jacket and a bath container.
- transfer element may be disposed between the jacket and bath container of the secondary heat
- a handle may be provided to support supply and return
- Closure elements may be attached to the handle and can cover
- a patient-engageable heat exchange element includes a secondary heat transfer element and a
- a method for exchanging heat with a patient includes flowing
- the method also includes thermally engaging the primary heat transfer
- the method contemplates grounding the secondary heat transfer element
- Figure 1 is a schematic diagram showing two heat exchange modalities
- FIG. 2 is a block diagram of a non-limiting implementation of the heat exchange
- Figure 3 is a partial cross-sectional view of a non-limiting illustration of the primary-
- a system is shown, generally designated 10, that may
- a heat exchange catheter 12 that is in fluid communication with a catheter temperature
- control system 14 that includes a processor executing logic described in one or more of the
- the system 10 can be used to induce therapeutic effects
- catheters are disclosed below, it is to be understood that other catheters can be used in
- the catheter 12 may
- the system 10 may include one or more
- the pad 18 may be, without limitation, any one of the pads disclosed in the
- the temperature of the pad 18 can be controlled by a pad controller 20
- control systems 14, 20 may be implemented by a single
- a controller of the present invention may include a primary
- coolant may be saline, that flows through the catheter or pad, it is to be understood that the coolant may
- the primary heat transfer element 22 may be a bag or cartridge
- the primary heat transfer element 22 is placed by a medical caregiver in
- the secondary heat transfer element 24 thermal contact with a secondary heat transfer element 24.
- the secondary heat transfer element 24 In one embodiment, the secondary
- heat transfer element 24 may include a secondary heat exchange fluid (e.g., water or glycol)
- a secondary heat exchange fluid e.g., water or glycol
- heat sink 26 may be established by thermo-electric cooler (TEC) apparatus, or a refrigeration
- an outer jacket 28 encloses an inner bath container 30, and the inner bath
- container 30 can hold a secondary heat exchange fluid 32 such as glycol.
- exchange fluid supply and return ports 34, 36 can be formed in the bath container 30 for
- the bath container 32 is radially spaced from the outer jacket 28 to
- annular empty drainage ring 38 therebetween (i.e., annular when the jacket 28 and
- container 30 are both cylindrical, as they can be in non-limiting exemplary embodiments).
- One or more drain connectors 40 can be formed in the bottom of the secondary heat transfer
- sleeve 42 that has opposed open ends and that may be cylindrical is configured as shown for
- the walls of the sleeve 42 are spaced from both the outer jacket 28 and container
- the switch may be mounted on the bath container 30 and,
- the sleeve 42 may be configured to be closer to the container 30 than to the jacket 28.
- upper element 50 rests on the top edge of the sleeve 42 as shown and may be fused thereto by
- each conduit 52, 54 includes a respective
- hollow metal fitting 56 that extends through the upper element 50 of the closure and a
- Respective metal tubes 60 are engaged with the metal fittings 56 and depend downwarldly through the lower closure element 48 into the sleeve 42, where they meet
- a plastic handle 64 with opposed gripping ears 66 has hollow legs 68, 70 configured
- Each leg 68, 70 rests on the top of the lower element 48 of the closure as shown
- transfer element 22 including the coil 62, sleeve 42, closure elements 48, 50, and handle 64
- ground e.g., to the chassis or ground potential of the controller
- ground line 74 More than one switch 72 may be used for reliability. In any case, the switch
- the switch 72 is biased closed, so that the jacket 30 is grounded.
- the present switch alternatively may be a software switch
- the secondary heat transfer element 24 may be mounted on, e.g., the secondary heat transfer element 24 to
- the processor can ground or float the system in accordance with
- jacket 29 (more broadly, the secondary heat transfer element 24) is electrically
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006266461A AU2006266461B2 (en) | 2005-07-01 | 2006-03-20 | Primary heat exchanger for patient temperature control |
AT06739133T ATE537794T1 (en) | 2005-07-01 | 2006-03-20 | PRIMARY HEAT EXCHANGER FOR TEMPERATURE CONTROL OF A PATIENT |
EP06739133A EP1899661B1 (en) | 2005-07-01 | 2006-03-20 | Primary heat exchanger for patient temperature control |
CN2006800242644A CN101495826B (en) | 2005-07-01 | 2006-03-20 | Primary heat exchanger for patient temperature control |
JP2008519263A JP4673409B2 (en) | 2005-07-01 | 2006-03-20 | Primary heat exchanger for patient temperature regulation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/173,554 | 2005-07-01 | ||
US11/173,554 US7181927B2 (en) | 2005-07-01 | 2005-07-01 | Primary heat exchanger for patient temperature control |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007005073A2 true WO2007005073A2 (en) | 2007-01-11 |
WO2007005073A3 WO2007005073A3 (en) | 2009-04-09 |
Family
ID=37587937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2006/010227 WO2007005073A2 (en) | 2005-07-01 | 2006-03-20 | Primary heat exchanger for patient temperature control |
Country Status (8)
Country | Link |
---|---|
US (1) | US7181927B2 (en) |
EP (2) | EP1899661B1 (en) |
JP (1) | JP4673409B2 (en) |
CN (1) | CN101495826B (en) |
AT (1) | ATE537794T1 (en) |
AU (1) | AU2006266461B2 (en) |
DE (1) | DE202006021055U1 (en) |
WO (1) | WO2007005073A2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016160691A1 (en) * | 2015-03-28 | 2016-10-06 | The Regents Of The University Of California | Thermoelectric temperature controlled cooler for biomedical applications |
US11419754B2 (en) | 2016-03-28 | 2022-08-23 | The Regents Of The University Of California | Heat exchange module and system for medical applications |
US11458038B2 (en) | 2016-09-28 | 2022-10-04 | The Regents Of The University Of California | Heat exchange module, system and method |
US11903872B2 (en) | 2016-03-28 | 2024-02-20 | The Regents Of The University Of California | Heat exchange module, system and method |
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- 2006-03-20 AT AT06739133T patent/ATE537794T1/en active
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- 2006-03-20 EP EP11179365.9A patent/EP2392298B1/en active Active
- 2006-03-20 AU AU2006266461A patent/AU2006266461B2/en not_active Ceased
- 2006-03-20 JP JP2008519263A patent/JP4673409B2/en not_active Expired - Fee Related
- 2006-03-20 DE DE202006021055U patent/DE202006021055U1/en not_active Expired - Lifetime
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2016160691A1 (en) * | 2015-03-28 | 2016-10-06 | The Regents Of The University Of California | Thermoelectric temperature controlled cooler for biomedical applications |
US11419753B2 (en) | 2015-03-28 | 2022-08-23 | The Regents Of The University Of California | Thermoelectric temperature controlled cooler for biomedical applications |
US11419754B2 (en) | 2016-03-28 | 2022-08-23 | The Regents Of The University Of California | Heat exchange module and system for medical applications |
US11903872B2 (en) | 2016-03-28 | 2024-02-20 | The Regents Of The University Of California | Heat exchange module, system and method |
US11458038B2 (en) | 2016-09-28 | 2022-10-04 | The Regents Of The University Of California | Heat exchange module, system and method |
Also Published As
Publication number | Publication date |
---|---|
DE202006021055U1 (en) | 2012-02-27 |
EP1899661A2 (en) | 2008-03-19 |
CN101495826B (en) | 2011-03-09 |
EP1899661B1 (en) | 2011-12-21 |
CN101495826A (en) | 2009-07-29 |
AU2006266461B2 (en) | 2010-06-03 |
US20070000278A1 (en) | 2007-01-04 |
US7181927B2 (en) | 2007-02-27 |
ATE537794T1 (en) | 2012-01-15 |
JP4673409B2 (en) | 2011-04-20 |
EP2392298A1 (en) | 2011-12-07 |
JP2009500066A (en) | 2009-01-08 |
AU2006266461A1 (en) | 2007-01-11 |
EP1899661A4 (en) | 2011-05-11 |
EP2392298B1 (en) | 2016-07-13 |
WO2007005073A3 (en) | 2009-04-09 |
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