ATE249859T1 - Ein sich räumlich erstreckender film mit elementen die eine formgedächtnislegierung betätigen - Google Patents

Ein sich räumlich erstreckender film mit elementen die eine formgedächtnislegierung betätigen

Info

Publication number
ATE249859T1
ATE249859T1 AT94909676T AT94909676T ATE249859T1 AT E249859 T1 ATE249859 T1 AT E249859T1 AT 94909676 T AT94909676 T AT 94909676T AT 94909676 T AT94909676 T AT 94909676T AT E249859 T1 ATE249859 T1 AT E249859T1
Authority
AT
Austria
Prior art keywords
film
actuator elements
vlsi
sma
elements
Prior art date
Application number
AT94909676T
Other languages
English (en)
Inventor
Ronald S Maynard
Original Assignee
Univ Leland Stanford Junior
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Leland Stanford Junior filed Critical Univ Leland Stanford Junior
Application granted granted Critical
Publication of ATE249859T1 publication Critical patent/ATE249859T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/065—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like using a shape memory element
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0158—Tip steering devices with magnetic or electrical means, e.g. by using piezo materials, electroactive polymers, magnetic materials or by heating of shape memory materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M2025/0161—Tip steering devices wherein the distal tips have two or more deflection regions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/0107—Details making use of shape memory materials
    • H01H2061/0122—Two SMA actuators, e.g. one for closing or resetting contacts and one for opening them

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Micromachines (AREA)
  • Manipulator (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Endoscopes (AREA)
  • Semiconductor Memories (AREA)
  • Laminated Bodies (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
AT94909676T 1993-02-24 1994-02-24 Ein sich räumlich erstreckender film mit elementen die eine formgedächtnislegierung betätigen ATE249859T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/021,941 US5405337A (en) 1993-02-24 1993-02-24 Spatially distributed SMA actuator film providing unrestricted movement in three dimensional space
PCT/US1994/001721 WO1994019051A1 (en) 1993-02-24 1994-02-24 A spatially distributed sma actuator film

Publications (1)

Publication Number Publication Date
ATE249859T1 true ATE249859T1 (de) 2003-10-15

Family

ID=21806979

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94909676T ATE249859T1 (de) 1993-02-24 1994-02-24 Ein sich räumlich erstreckender film mit elementen die eine formgedächtnislegierung betätigen

Country Status (7)

Country Link
US (1) US5405337A (de)
EP (1) EP0687190B1 (de)
JP (1) JPH08510024A (de)
AT (1) ATE249859T1 (de)
CA (1) CA2156431C (de)
DE (1) DE69433159T2 (de)
WO (1) WO1994019051A1 (de)

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Also Published As

Publication number Publication date
CA2156431A1 (en) 1994-09-01
DE69433159D1 (de) 2003-10-23
JPH08510024A (ja) 1996-10-22
EP0687190A4 (de) 1998-01-28
EP0687190A1 (de) 1995-12-20
EP0687190B1 (de) 2003-09-17
WO1994019051A1 (en) 1994-09-01
US5405337A (en) 1995-04-11
DE69433159T2 (de) 2004-07-08
CA2156431C (en) 2006-05-09

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