JP2004520906A5 - - Google Patents

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Publication number
JP2004520906A5
JP2004520906A5 JP2002565462A JP2002565462A JP2004520906A5 JP 2004520906 A5 JP2004520906 A5 JP 2004520906A5 JP 2002565462 A JP2002565462 A JP 2002565462A JP 2002565462 A JP2002565462 A JP 2002565462A JP 2004520906 A5 JP2004520906 A5 JP 2004520906A5
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JP
Japan
Prior art keywords
metal
electrosurgical instrument
layer
instrument according
metal layer
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.)
Pending
Application number
JP2002565462A
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English (en)
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JP2004520906A (ja
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Publication date
Priority claimed from US09/751,223 external-priority patent/US6533781B2/en
Application filed filed Critical
Publication of JP2004520906A publication Critical patent/JP2004520906A/ja
Publication of JP2004520906A5 publication Critical patent/JP2004520906A5/ja
Pending legal-status Critical Current

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Claims (15)

  1. 予め決められた電気外科的作用を得るように電気外科信号を組織に伝達するための電気外科器具であって、
    約300°Kで測定したときに少なくとも約0.35W/cm°Kの熱伝導率を有し、かつ、少なくとも約2600°Fの融点を有する材料により画定される周縁部を有する金属本体と、
    前記金属本体の少なくとも一部の上に配置された外側の絶縁層とを含む電気外科器具。
  2. 前記金属本体が、
    前記周縁部を画成する第1の金属層と、
    前記第1金属層に隣接した少なくとも1つの第2の金属層とを含み、前記第1金属層と前記少なくとも1つの第2金属層とが異なる材料を含む請求項1に記載の電気外科器具。
  3. 記第1金属層が、タングステン、タンタル、コロンビウムおよびモリブデンから成る群から選択される第1の材料を含む請求項に記載の電気外科器具。
  4. 前記少なくとも1つの第2金属層が、約300°Kで測定したときに少なくとも約2W/cm°Kの熱伝導率を有する請求項に記載の電気外科器具。
  5. 前記少なくとも1つの第2金属層が、金、銅、アルミニウムおよび銀から成る群から選択される第2の材料を含む請求項に記載の電気外科器具。
  6. 前記第1金属層がその間に配置される少なくとも2つの第2の金属層を含む請求項に記載の電気外科器具。
  7. 前記外側絶縁層が、約300°Kで測定したときに約1.2W/cm°Kの最大熱コンダクタンスを有する請求項に記載の電気外科器具。
  8. 前記外側絶縁層が、
    内側の層と、
    外側の層とを含み、前記第1の内側層と前記第2の外側層とが異なる材料を含む請求項
    に記載の電気外科器具。
  9. 前記内側層がセラミック材料を含み、前記外側層がポリマー材料を含む請求項に記載の電気外科器具。
  10. 予め決められた電気外科効果を得るように電気外科信号を組織に伝達するための電気外科器具であって、
    約300°Kで測定したときに少なくとも約0.35W/cm°Kの熱伝導率を有し、かつ、少なくとも約2600゜Fの融点を有する材料により画成された周縁部を有する金属本体と、
    前記周縁部を画成する第1の金属層と、
    前記第1金属層に隣接した少なくとも1つの第2の金属層であって、前記第1金属層と異なる材料を含み、かつ、約300°Kで測定したときに少なくとも約2W/cm°Kの熱伝導率を有する少なくとも1つの第2金属層と、
    前記金属本体の少なくとも一部の上に配置された外側の絶縁層であって、約300°Kで測定したときに約1.2W/cm °Kの最大熱コンダクタンスを有する外側の絶縁層とを含む電気外科器具。
  11. 前記第1金属層が、タングステン、タンタル、コロンビウムおよびモリブデンから成る群から選択される金属を含み、前記少なくとも1つの第2金属層が、金、銅、アルミニウムおよび銀から成る群から選択される材料を含む請求項10に記載の電気外科器具。
  12. 前記第1金属層がその間に配置された少なくとも2つの第2金属層を含む請求項10に記載の電気外科器具。
  13. 前記第1金属層が、タングステン、タンタル、コロンビウムおよびモリブデンから成る群から選択される金属を含み、前記少なくとも2つの第2金属層が、各々、金、銅、アルミニウムおよび銀から成る群から選択される材料を含む請求項12に記載の電気外科器具。
  14. 前記外側の絶縁層が、
    内側の層と、
    外側の層とを含み、前記第1の内側層と前記第2の外側層とが異なる材料を含む請求項10に記載の電気外科器具。
  15. 前記内側層がセラミック材料を含み、前記外側層がポリマー材料を含む請求項14に記載の電気外科器具。
JP2002565462A 2000-12-29 2001-12-27 改良された電気外科器具 Pending JP2004520906A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/751,223 US6533781B2 (en) 1997-12-23 2000-12-29 Electrosurgical instrument
PCT/US2001/049490 WO2002065890A2 (en) 2000-12-29 2001-12-27 Improved electrosurgical instrument

Publications (2)

Publication Number Publication Date
JP2004520906A JP2004520906A (ja) 2004-07-15
JP2004520906A5 true JP2004520906A5 (ja) 2005-12-22

Family

ID=25021036

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002565462A Pending JP2004520906A (ja) 2000-12-29 2001-12-27 改良された電気外科器具

Country Status (12)

Country Link
US (1) US6533781B2 (ja)
EP (1) EP1355562B1 (ja)
JP (1) JP2004520906A (ja)
CN (2) CN101069652A (ja)
AT (1) ATE375111T1 (ja)
AU (1) AU2002255454B2 (ja)
BR (1) BR0116597A (ja)
CA (1) CA2433413A1 (ja)
DE (1) DE60130925D1 (ja)
EA (1) EA007972B1 (ja)
MX (1) MXPA03005925A (ja)
WO (1) WO2002065890A2 (ja)

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