DE68927722T2 - Flüssigsegment enthaltendes Polyurethangel und dieses enthaltende Verbindungsstücke für diagnostische Ultraschallsonde - Google Patents

Flüssigsegment enthaltendes Polyurethangel und dieses enthaltende Verbindungsstücke für diagnostische Ultraschallsonde

Info

Publication number
DE68927722T2
DE68927722T2 DE68927722T DE68927722T DE68927722T2 DE 68927722 T2 DE68927722 T2 DE 68927722T2 DE 68927722 T DE68927722 T DE 68927722T DE 68927722 T DE68927722 T DE 68927722T DE 68927722 T2 DE68927722 T2 DE 68927722T2
Authority
DE
Germany
Prior art keywords
connectors
ultrasound probe
diagnostic ultrasound
polyurethane gel
liquid segment
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.)
Expired - Fee Related
Application number
DE68927722T
Other languages
English (en)
Other versions
DE68927722D1 (de
Inventor
Yasuo C O Takiron Co Shikinami
Kaoru C O Takiron Co Tsuta
Masahiko C O Takiron Taniguchi
Hidekazu C O Takiron C Boutani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takiron Co Ltd
Original Assignee
Takiron Co Ltd
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
Priority claimed from JP63135976A external-priority patent/JP2899804B2/ja
Priority claimed from JP63286520A external-priority patent/JP2736424B2/ja
Application filed by Takiron Co Ltd filed Critical Takiron Co Ltd
Publication of DE68927722D1 publication Critical patent/DE68927722D1/de
Application granted granted Critical
Publication of DE68927722T2 publication Critical patent/DE68927722T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4829—Polyethers containing at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2220/00—Compositions for preparing gels other than hydrogels, aerogels and xerogels
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2270/00—Compositions for creating interpenetrating networks
DE68927722T 1988-06-02 1989-06-01 Flüssigsegment enthaltendes Polyurethangel und dieses enthaltende Verbindungsstücke für diagnostische Ultraschallsonde Expired - Fee Related DE68927722T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63135976A JP2899804B2 (ja) 1988-06-02 1988-06-02 高分子ゲル状弾性体及びこれより成る超音波診断用探触子の接触媒体
JP63286520A JP2736424B2 (ja) 1988-11-11 1988-11-11 超音波診断用探触子用カプラー

Publications (2)

Publication Number Publication Date
DE68927722D1 DE68927722D1 (de) 1997-03-13
DE68927722T2 true DE68927722T2 (de) 1997-06-12

Family

ID=26469684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927722T Expired - Fee Related DE68927722T2 (de) 1988-06-02 1989-06-01 Flüssigsegment enthaltendes Polyurethangel und dieses enthaltende Verbindungsstücke für diagnostische Ultraschallsonde

Country Status (5)

Country Link
US (2) US4966953A (de)
EP (1) EP0344773B1 (de)
KR (1) KR970002485B1 (de)
CA (1) CA1318049C (de)
DE (1) DE68927722T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6726904B2 (en) 2000-10-09 2004-04-27 Richard Wolf Gmbh Method for transmitting acoustic waves

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
US6726904B2 (en) 2000-10-09 2004-04-27 Richard Wolf Gmbh Method for transmitting acoustic waves

Also Published As

Publication number Publication date
EP0344773A3 (de) 1990-07-25
US4966953A (en) 1990-10-30
DE68927722D1 (de) 1997-03-13
US5039774A (en) 1991-08-13
CA1318049C (en) 1993-05-18
KR970002485B1 (ko) 1997-03-05
EP0344773B1 (de) 1997-01-29
KR910000090A (ko) 1991-01-29
EP0344773A2 (de) 1989-12-06

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