CA2234019A1 - Miniature mixed gas refrigeration system - Google Patents
Miniature mixed gas refrigeration systemInfo
- Publication number
- CA2234019A1 CA2234019A1 CA002234019A CA2234019A CA2234019A1 CA 2234019 A1 CA2234019 A1 CA 2234019A1 CA 002234019 A CA002234019 A CA 002234019A CA 2234019 A CA2234019 A CA 2234019A CA 2234019 A1 CA2234019 A1 CA 2234019A1
- Authority
- CA
- Canada
- Prior art keywords
- high pressure
- gas
- heat exchanger
- low
- miniature
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
- C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
- C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/12—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
-
- 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
- A61B2018/0268—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow
- A61B2018/0275—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow using porous elements
-
- 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
- A61B2018/0268—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow
- A61B2018/0281—Characteristics of handpieces or probes using a circulating cryogenic fluid with restriction of flow using a tortuous path, e.g. formed by fins or ribs
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
- C09K2205/122—Halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/13—Inert gases
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/132—Components containing nitrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/003—Gas cycle refrigeration machines characterised by construction or composition of the regenerator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/02—Gas cycle refrigeration machines using the Joule-Thompson effect
- F25B2309/021—Gas cycle refrigeration machines using the Joule-Thompson effect with a cryosurgical probe tip having a specific construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/02—Gas cycle refrigeration machines using the Joule-Thompson effect
- F25B2309/022—Gas cycle refrigeration machines using the Joule-Thompson effect characterised by the expansion element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/02—Gas cycle refrigeration machines using the Joule-Thompson effect
- F25B2309/023—Gas cycle refrigeration machines using the Joule-Thompson effect with two stage expansion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/12—Inflammable refrigerants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
Abstract
A miniature mixed gas refrigeration system is disclosed, having a coaxial catheter (18) with an inner high pressure supply lumen (24) and an outer low pressure return lumen (22). The gas mixture is pressurized by a compressor (12) to a pressure less than 420 psia, for safety reasons. The distal portion (23) of the outer lumen contains a micro-miniature heat exchanger (28) constructed of laminated plates or sheets (42). The plates or sheets (42) establish high pressure (36) and low pressure passageways (40), with high surface area, having a tortuous path for the gas flow to maximize heat exchange. The high pressure outlet (50) of the heat exchanger (28) is connected to a Joule-Thomson expansion element (30) where the high pressure gas is expanded isenthalpically to a lower temperature at least as low as 180K. This low temperature gas cools a heat transfer element (32) mounted in the outer wall of the catheter, to cool an external object.
Return gas flows back through the heat exchanger to pre-cool the incoming high pressure gas mixture.
Return gas flows back through the heat exchanger to pre-cool the incoming high pressure gas mixture.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/542,123 | 1995-10-12 | ||
US08/542,123 US6151901A (en) | 1995-10-12 | 1995-10-12 | Miniature mixed gas refrigeration system |
PCT/US1996/016197 WO1997014005A1 (en) | 1995-10-12 | 1996-10-09 | Miniature mixed gas refrigeration system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2234019A1 true CA2234019A1 (en) | 1997-04-17 |
CA2234019C CA2234019C (en) | 2004-12-07 |
Family
ID=24162440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002234019A Expired - Lifetime CA2234019C (en) | 1995-10-12 | 1996-10-09 | Miniature mixed gas refrigeration system |
Country Status (7)
Country | Link |
---|---|
US (1) | US6151901A (en) |
EP (1) | EP0855010A4 (en) |
JP (1) | JPH11513783A (en) |
AU (1) | AU698470B2 (en) |
CA (1) | CA2234019C (en) |
DE (1) | DE855010T1 (en) |
WO (1) | WO1997014005A1 (en) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6270494B1 (en) | 1996-12-26 | 2001-08-07 | Cryogen, Inc. | Stretchable cryoprobe sheath |
US6051019A (en) * | 1998-01-23 | 2000-04-18 | Del Mar Medical Technologies, Inc. | Selective organ hypothermia method and apparatus |
JPH11230628A (en) * | 1998-02-13 | 1999-08-27 | Matsushita Electric Ind Co Ltd | Freezing device |
GB2336782A (en) * | 1998-04-30 | 1999-11-03 | Spembly Medical Ltd | Cryosurgical apparatus |
GB2336781B (en) * | 1998-04-30 | 2001-03-07 | Spembly Medical Ltd | Cryosurgical apparatus |
US20050228367A1 (en) * | 1999-01-25 | 2005-10-13 | Marwan Abboud | Leak detection system for catheter based medical device |
JP2003535615A (en) * | 1999-02-12 | 2003-12-02 | コルパン,ニコライ | Cryosurgical devices, especially for the treatment of tumors |
US6471694B1 (en) | 2000-08-09 | 2002-10-29 | Cryogen, Inc. | Control system for cryosurgery |
US7004936B2 (en) * | 2000-08-09 | 2006-02-28 | Cryocor, Inc. | Refrigeration source for a cryoablation catheter |
US6497703B1 (en) * | 2000-03-02 | 2002-12-24 | Biosense Webster | Cryoablation catheter for long lesion ablations |
US6430956B1 (en) | 2001-05-15 | 2002-08-13 | Cimex Biotech Lc | Hand-held, heat sink cryoprobe, system for heat extraction thereof, and method therefore |
US6621071B2 (en) * | 2001-09-07 | 2003-09-16 | Raytheon Co. | Microelectronic system with integral cryocooler, and its fabrication and use |
AU2002359814A1 (en) * | 2001-12-19 | 2003-07-09 | Ran Yaron | Miniature refrigeration system for cryothermal ablation catheter |
US20040024392A1 (en) * | 2002-08-05 | 2004-02-05 | Lewis James D. | Apparatus and method for cryosurgery |
US20040211193A1 (en) * | 2003-04-23 | 2004-10-28 | Ams Research Corporation | Cryocooler with oil lubricated compressor |
US7381208B2 (en) | 2003-12-22 | 2008-06-03 | Ams Research Corporation | Cryosurgical devices for endometrial ablation |
GB2411711B (en) * | 2004-03-06 | 2006-08-30 | Oxford Magnet Tech | A cryogenic hose configuration |
US7727228B2 (en) | 2004-03-23 | 2010-06-01 | Medtronic Cryocath Lp | Method and apparatus for inflating and deflating balloon catheters |
US8491636B2 (en) | 2004-03-23 | 2013-07-23 | Medtronic Cryopath LP | Method and apparatus for inflating and deflating balloon catheters |
US8206345B2 (en) * | 2005-03-07 | 2012-06-26 | Medtronic Cryocath Lp | Fluid control system for a medical device |
DE102005056651A1 (en) * | 2005-11-25 | 2007-05-31 | Behr Gmbh & Co. Kg | Coaxial tube or tube-in-tube arrangement, in particular for a heat exchanger |
US8298220B2 (en) * | 2006-11-17 | 2012-10-30 | Coopersurgical, Inc. | Cryoprobe with coaxial chambers |
US8298221B2 (en) * | 2006-11-17 | 2012-10-30 | Coopersurgical, Inc. | Disposable sheath with replaceable console probes for cryosurgery |
WO2008099490A1 (en) * | 2007-02-15 | 2008-08-21 | Dgs Computer | Medical device and medical apparatus to be used in freezing therapy |
CN103423911B (en) * | 2012-06-25 | 2015-10-28 | 上海理工大学 | Refrigerator |
US10139148B2 (en) * | 2014-12-19 | 2018-11-27 | Icejet, S.L. | Methods and apparatus for cooling liquids in portable containers |
CN105627609B (en) * | 2015-12-30 | 2017-10-13 | 上海理工大学 | Cylinder group's printed circuit board microchannel refrigerating plant |
RU2713947C2 (en) * | 2018-08-07 | 2020-02-11 | Общество с ограниченной ответственностью "КРИОИНЖИНИРИНГ" | Apparatus for cryotherapy |
CN114562826B (en) * | 2022-03-01 | 2023-08-29 | 上海理工大学 | Bypass type laminated rapid precooling throttling refrigerator and control method |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3272203A (en) * | 1963-04-29 | 1966-09-13 | John C Chato | Surgical probe |
US3398738A (en) * | 1964-09-24 | 1968-08-27 | Aerojet General Co | Refrigerated surgical probe |
US3273356A (en) * | 1964-09-28 | 1966-09-20 | Little Inc A | Heat exchanger-expander adapted to deliver refrigeration |
US3298371A (en) * | 1965-02-11 | 1967-01-17 | Arnold S J Lee | Freezing probe for the treatment of tissue, especially in neurosurgery |
GB1084686A (en) * | 1965-04-01 | 1967-09-27 | Hymatic Eng Co Ltd | Improvements relating to gas liquefiers |
US3439680A (en) * | 1965-04-12 | 1969-04-22 | Univ Northwestern | Surgical instrument for cataract removal |
US3477434A (en) * | 1965-06-02 | 1969-11-11 | Cvi Corp | Cryosurgical apparatus |
FR1465656A (en) * | 1965-12-02 | 1967-01-13 | Electronique & Physique | Gas expansion cooler |
US3536075A (en) * | 1967-08-01 | 1970-10-27 | Univ Northwestern | Cryosurgical instrument |
DE1766906B1 (en) * | 1968-08-08 | 1971-11-11 | Leybold Heraeus Gmbh & Co Kg | SURGICAL CUTTING INSTRUMENT FOR LOW TEMPERATURE SURGERY |
GB1336892A (en) * | 1971-05-17 | 1973-11-14 | Nii Kriogennoi Elektroniki | Refrigerant for a cryogenic throttling unit |
GB1438759A (en) * | 1972-06-02 | 1976-06-09 | Spembly Ltd | Cryo-surgical apparatus |
US4015606A (en) * | 1975-09-09 | 1977-04-05 | Dynatech Corporation | Method and means for controlling the freeze zone of a cryosurgical probe |
GB1534162A (en) * | 1976-07-21 | 1978-11-29 | Lloyd J | Cyosurgical probe |
SU839516A1 (en) * | 1978-07-10 | 1981-06-23 | Semena Mikhail G | Cryosurgical probe |
FR2477406A1 (en) * | 1980-03-06 | 1981-09-11 | Commissariat Energie Atomique | Surgical cryoprobe for destroying diseased cell tissue esp. cancer - can fit inside endoscope for internal surgery |
CS217448B1 (en) * | 1980-07-15 | 1983-01-28 | Vladimir Matena | Cryosurgical tool |
US4377168A (en) * | 1981-02-27 | 1983-03-22 | Wallach Surgical Instruments, Inc. | Cryosurgical instrument |
US4781033A (en) * | 1987-07-16 | 1988-11-01 | Apd Cryogenics | Heat exchanger for a fast cooldown cryostat |
US4829785A (en) * | 1987-12-04 | 1989-05-16 | The Boeing Company | Cryogenic cooling system with precooling stage |
US5147355A (en) * | 1988-09-23 | 1992-09-15 | Brigham And Womens Hospital | Cryoablation catheter and method of performing cryoablation |
GB2226497B (en) * | 1988-12-01 | 1992-07-01 | Spembly Medical Ltd | Cryosurgical probe |
US5101894A (en) * | 1989-07-05 | 1992-04-07 | Alabama Cryogenic Engineering, Inc. | Perforated plate heat exchanger and method of fabrication |
US5139496A (en) * | 1990-12-20 | 1992-08-18 | Hed Aharon Z | Ultrasonic freeze ablation catheters and probes |
US5281212A (en) * | 1992-02-18 | 1994-01-25 | Angeion Corporation | Laser catheter with monitor and dissolvable tip |
US5281217A (en) * | 1992-04-13 | 1994-01-25 | Ep Technologies, Inc. | Steerable antenna systems for cardiac ablation that minimize tissue damage and blood coagulation due to conductive heating patterns |
US5423807A (en) * | 1992-04-16 | 1995-06-13 | Implemed, Inc. | Cryogenic mapping and ablation catheter |
US5281215A (en) * | 1992-04-16 | 1994-01-25 | Implemed, Inc. | Cryogenic catheter |
US5281213A (en) * | 1992-04-16 | 1994-01-25 | Implemed, Inc. | Catheter for ice mapping and ablation |
US5275595A (en) * | 1992-07-06 | 1994-01-04 | Dobak Iii John D | Cryosurgical instrument |
US5365750A (en) * | 1992-12-18 | 1994-11-22 | California Aquarium Supply | Remote refrigerative probe |
US5324286A (en) * | 1993-01-21 | 1994-06-28 | Arthur A. Fowle, Inc. | Entrained cryogenic droplet transfer method and cryosurgical instrument |
US5337572A (en) * | 1993-05-04 | 1994-08-16 | Apd Cryogenics, Inc. | Cryogenic refrigerator with single stage compressor |
US5595065A (en) * | 1995-07-07 | 1997-01-21 | Apd Cryogenics | Closed cycle cryogenic refrigeration system with automatic variable flow area throttling device |
-
1995
- 1995-10-12 US US08/542,123 patent/US6151901A/en not_active Expired - Lifetime
-
1996
- 1996-10-09 EP EP96936309A patent/EP0855010A4/en not_active Withdrawn
- 1996-10-09 AU AU73988/96A patent/AU698470B2/en not_active Expired
- 1996-10-09 CA CA002234019A patent/CA2234019C/en not_active Expired - Lifetime
- 1996-10-09 DE DE0855010T patent/DE855010T1/en active Pending
- 1996-10-09 WO PCT/US1996/016197 patent/WO1997014005A1/en not_active Application Discontinuation
- 1996-10-09 JP JP9515171A patent/JPH11513783A/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU7398896A (en) | 1997-04-30 |
EP0855010A1 (en) | 1998-07-29 |
US6151901A (en) | 2000-11-28 |
CA2234019C (en) | 2004-12-07 |
JPH11513783A (en) | 1999-11-24 |
EP0855010A4 (en) | 1999-11-17 |
WO1997014005A1 (en) | 1997-04-17 |
DE855010T1 (en) | 1999-06-10 |
AU698470B2 (en) | 1998-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2234019A1 (en) | Miniature mixed gas refrigeration system | |
CA2263382A1 (en) | Mixed gas refrigeration method | |
CA2332055A1 (en) | Precooling system for joule-thomson probe | |
CA2267785A1 (en) | Precooling system for joule-thomson probe | |
TW335443B (en) | Heat transfer tube for zeotropic refrigerant mixture, heat exchange with the heat transfer tubes, method of assembling the heat exchanger, and refrigerator and air conditiioner with the heat exchange | |
EG22298A (en) | Plant for liquefying natural gas | |
CA2353925A1 (en) | Dual refrigeration cycles for natural gas liquefaction | |
CA2329721A1 (en) | Turbine engine with cooled p3 air to impeller rear cavity | |
CA2352217A1 (en) | Shoe with an active air-conditioning device | |
CA2219699A1 (en) | Low pressure drop heat exchanger | |
WO2002010655A1 (en) | Refrigeration cycle device | |
CA2178221A1 (en) | Cold air supply unit | |
GB1499702A (en) | Refrigerating plants with refrigerant circuits in which helium circulates as refrigerant | |
CN100441979C (en) | Heating/cooling system | |
AU2444292A (en) | Solid/gas reaction cooling plant having a reactor equipped with cooling means | |
CA2367120A1 (en) | Gas mixture for cryogenic applications | |
CA2380402A1 (en) | Thermosiphonic oil cooler for refrigeration chiller | |
CA2390275A1 (en) | Heat exchanger for high stage generator of absorption chiller | |
CA2183559A1 (en) | Air treating device having a bellows compressor | |
JPS5494149A (en) | Freezer | |
WO2001023811A3 (en) | Air conditioner arrangement | |
JPS5647690A (en) | Cryopump | |
EP1434023A3 (en) | Cold dryer | |
HK1016682A1 (en) | Heat pump energy management system | |
EP1072849A3 (en) | Refrigeration plant |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20161011 |