JP5122664B2 - 組織溶着装置用の電気的絶縁性高熱伝導コアを有する管状抵抗加熱ヒータ - Google Patents
組織溶着装置用の電気的絶縁性高熱伝導コアを有する管状抵抗加熱ヒータ Download PDFInfo
- Publication number
- JP5122664B2 JP5122664B2 JP2011057319A JP2011057319A JP5122664B2 JP 5122664 B2 JP5122664 B2 JP 5122664B2 JP 2011057319 A JP2011057319 A JP 2011057319A JP 2011057319 A JP2011057319 A JP 2011057319A JP 5122664 B2 JP5122664 B2 JP 5122664B2
- Authority
- JP
- Japan
- Prior art keywords
- cutting system
- tissue sealing
- tissue
- heater element
- tubular heater
- 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 - Lifetime
Links
- 238000005520 cutting process Methods 0.000 claims description 47
- 238000007789 sealing Methods 0.000 claims description 43
- 239000011162 core material Substances 0.000 claims description 19
- 238000010292 electrical insulation Methods 0.000 claims description 5
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 2
- 229910001026 inconel Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 28
- 238000003466 welding Methods 0.000 description 20
- 210000004204 blood vessel Anatomy 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000000615 nonconductor Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 241000183290 Scleropages leichardti Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/46—Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
-
- 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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
- A61B18/082—Probes or electrodes therefor
- A61B18/085—Forceps, scissors
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Resistance Heating (AREA)
Description
Claims (16)
- 組織を把持する、相対移動可能な一対の対向した、機能表面を備えた本体と;前記機能表面の少なくとも一方に配置されたヒータと;から構成される組織シール及び切断用システムにおいて、
前記ヒータは、通電されて発熱する管状加熱ヒータ素子と、この管状加熱ヒータ素子の内部に位置する、該管状加熱ヒータ素子より高抵抗で、かつ、高い電気的絶縁性を備えるコア材料と、を備え、
前記管状加熱ヒータ素子は、前記本体の前記一対の機能表面間に前記組織を挟み込んだとき、該組織に直接接触して、該組織を加熱して切断及びシールすることを特徴とする組織シール及び切断用システム。 - 請求項1記載の組織シール及び切断用システムにおいて、
前記管状加熱ヒータ素子の長さ方向における異なる位置に接続した1対のリードを具え、前記管状加熱ヒータ素子の長さ方向に沿って電流を流すようにしたことを特徴とする組織シール及び切断用システム。 - 請求項2記載の組織シール及び切断用システムにおいて、
前記1対のリードに接続された電源を具え、前記管状加熱ヒータ素子の長さ方向に電流を流すようにしたことを特徴とする組織シール及び切断用システム。 - 請求項1ないし3のいずれか1項記載の組織シール及び切断用システムにおいて、
前記管状加熱ヒータ素子はニクロムを具えることを特徴とする組織シール及び切断用システム。 - 請求項1ないし3のいずれか1項記載の組織シール及び切断用システムにおいて、
前記管状加熱ヒータ素子はインコネルを具えることを特徴とする組織シール及び切断用システム。 - 請求項1ないし3のいずれか1項記載の組織シール及び切断用システムにおいて、
前記コア材料はセラミック材料を具えることを特徴とする組織シール及び切断用システム。 - 請求項6記載の組織シール及び切断用システムにおいて、
前記コア材料は酸化マグネシウムを具えることを特徴とする組織シール及び切断用システム。 - 請求項6記載の組織シール及び切断用システムにおいて、
前記コア材料は窒化ホウ素を具えることを特徴とする組織シール及び切断用システム。 - 請求項6記載の組織シール及び切断用システムにおいて、
前記コア材料は窒化アルミニウムを具えることを特徴とする組織シール及び切断用システム。 - 請求項1ないし9のいずれか1項記載の組織シール及び切断用システムにおいて、
前記管状加熱ヒータ素子の抵抗が周囲の体組織の抵抗よりも小さいことを特徴とする組織シール及び切断用システム。 - 請求項10記載の組織シール及び切断用システムにおいて、
前記管状加熱ヒータ素子のDC抵抗が10Ω以下であることを特徴とする組織シール及び切断用システム。 - 請求項1ないし11のいずれか1項記載の組織シール及び切断用システムにおいて、
前記ヒータは、セラミックロッドを金属化して形成することを特徴とする組織シール及び切断用システム。 - 請求項1ないし12のいずれか1項記載の組織シール及び切断用システムにおいて、
前記コア材料中に配置された温度検知素子を具えることを特徴とする組織シール及び切断用システム。 - 請求項1ないし13のいずれか1項記載の組織シール及び切断用システムにおいて、
1対の対向した機能表面を具える前記本体は、ピンセットであることを特徴とする組織シール及び切断用システム。 - 請求項1ないし13のいずれか1項記載の組織シール及び切断用システムにおいて、
1対の対向した機能表面を具える前記本体は、鉗子であることを特徴とする組織シール及び切断用システム。 - 請求項13記載の組織シール及び切断用システムにおいて、
前記温度検知素子は、熱電対、サーミスタ、PTC及びNTCからなる群より選ばれることを特徴とする組織シール及び切断用システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/383,858 US7326202B2 (en) | 2003-03-07 | 2003-03-07 | Tubular resistance heater with electrically insulating high thermal conductivity core for use in a tissue welding device |
US10/383,858 | 2003-03-07 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006506977A Division JP2006519653A (ja) | 2003-03-07 | 2004-03-08 | 組織溶着装置用の電気的絶縁性高熱伝導コアを有する管状抵抗加熱ヒータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011152434A JP2011152434A (ja) | 2011-08-11 |
JP5122664B2 true JP5122664B2 (ja) | 2013-01-16 |
Family
ID=32927145
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006506977A Pending JP2006519653A (ja) | 2003-03-07 | 2004-03-08 | 組織溶着装置用の電気的絶縁性高熱伝導コアを有する管状抵抗加熱ヒータ |
JP2011057319A Expired - Lifetime JP5122664B2 (ja) | 2003-03-07 | 2011-03-16 | 組織溶着装置用の電気的絶縁性高熱伝導コアを有する管状抵抗加熱ヒータ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006506977A Pending JP2006519653A (ja) | 2003-03-07 | 2004-03-08 | 組織溶着装置用の電気的絶縁性高熱伝導コアを有する管状抵抗加熱ヒータ |
Country Status (6)
Country | Link |
---|---|
US (1) | US7326202B2 (ja) |
EP (1) | EP1603471B1 (ja) |
JP (2) | JP2006519653A (ja) |
CA (1) | CA2518369C (ja) |
ES (1) | ES2561464T3 (ja) |
WO (1) | WO2004080320A1 (ja) |
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-
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- 2004-03-08 ES ES04718579.8T patent/ES2561464T3/es not_active Expired - Lifetime
- 2004-03-08 CA CA2518369A patent/CA2518369C/en not_active Expired - Lifetime
- 2004-03-08 WO PCT/US2004/007125 patent/WO2004080320A1/en active Application Filing
- 2004-03-08 EP EP04718579.8A patent/EP1603471B1/en not_active Expired - Lifetime
- 2004-03-08 JP JP2006506977A patent/JP2006519653A/ja active Pending
-
2011
- 2011-03-16 JP JP2011057319A patent/JP5122664B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2011152434A (ja) | 2011-08-11 |
EP1603471A4 (en) | 2008-03-19 |
EP1603471B1 (en) | 2015-12-23 |
CA2518369C (en) | 2014-08-26 |
JP2006519653A (ja) | 2006-08-31 |
WO2004080320A1 (en) | 2004-09-23 |
EP1603471A1 (en) | 2005-12-14 |
ES2561464T3 (es) | 2016-02-26 |
CA2518369A1 (en) | 2004-09-23 |
US20040176756A1 (en) | 2004-09-09 |
US7326202B2 (en) | 2008-02-05 |
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