JPH10510731A - 電極担持用カテーテルとその製造方法 - Google Patents
電極担持用カテーテルとその製造方法Info
- Publication number
- JPH10510731A JPH10510731A JP8518742A JP51874296A JPH10510731A JP H10510731 A JPH10510731 A JP H10510731A JP 8518742 A JP8518742 A JP 8518742A JP 51874296 A JP51874296 A JP 51874296A JP H10510731 A JPH10510731 A JP H10510731A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- windings
- electrodes
- core wire
- electrode
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 239000010410 layer Substances 0.000 claims abstract description 130
- 238000004804 winding Methods 0.000 claims abstract description 104
- 239000011247 coating layer Substances 0.000 claims abstract description 49
- 229920003023 plastic Polymers 0.000 claims abstract description 31
- 239000004033 plastic Substances 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 45
- 238000002788 crimping Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 239000000615 nonconductor Substances 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000010292 electrical insulation Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 2
- 230000008602 contraction Effects 0.000 claims 1
- 230000003252 repetitive effect Effects 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 208000027418 Wounds and injury Diseases 0.000 description 13
- 238000000227 grinding Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 239000004593 Epoxy Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000003578 releasing effect Effects 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- DSUFPYCILZXJFF-UHFFFAOYSA-N 4-[[4-[[4-(pentoxycarbonylamino)cyclohexyl]methyl]cyclohexyl]carbamoyloxy]butyl n-[4-[[4-(butoxycarbonylamino)cyclohexyl]methyl]cyclohexyl]carbamate Chemical compound C1CC(NC(=O)OCCCCC)CCC1CC1CCC(NC(=O)OCCCCOC(=O)NC2CCC(CC3CCC(CC3)NC(=O)OCCCC)CC2)CC1 DSUFPYCILZXJFF-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000036592 analgesia Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000013153 catheter ablation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 210000005003 heart tissue Anatomy 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical group C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Classifications
-
- 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
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
- A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/056—Transvascular endocardial electrode systems
-
- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/00148—Coatings on the energy applicator with 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
- A61B2018/00357—Endocardium
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- 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
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/1253—Generators therefor characterised by the output polarity monopolar
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Physiology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Plasma & Fusion (AREA)
- Otolaryngology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.(A)近位端部と遠位端部とこれら端部の中間の導電性の外部管状層とを 形成し、可撓な芯線と該芯線周りの可撓な非導電芯線被覆プラスチック層とを有 した細長い可撓チューブと; (B)上記外部管状層上に少なくても部分的に配置された複数の導電電極と; (C)近位端部と上記の各電極との間で電気信号を伝えると共に、芯線と外部 管状層の中間に、上記芯線被覆層周りにおいて少なくとも部分的に入り込んで螺 旋状に巻かれ且つ少なくとも上記芯線被覆層によって相互に絶縁され且つ少なく とも上記外部管状層によって周囲から絶縁された長手方向に隔設された複数の可 撓な導電線を有した伝導手段と を備え、上記外部管状層と上記芯線被覆層と上記巻き線周りの電気絶縁体が、 上記巻き線の各一本と上記電極の各一個との間の電気接触を可能にするために各 上記電極の切片周りに除去部を形成し、 上記の各電極が、上記巻き線の各一本と電気的に導通するための導電性の可撓 な平坦手段の形をしており、各平坦手段が、上記巻き線の各一本と電気的且つ物 理的に連結されて、上記外部管状層周りに掛け渡され且つクリンプされているこ とを特徴とするリング電極無しの電極担持用カテーテル。 2. 上記平坦手段は、溶接によって上記各一本の巻き線に接続されている請 求項1記載のカテーテル。 3. 上記芯線被覆層は、上記外部管状層よりも柔らくなっている請求項1記 載のカテーテル。 4. 上記芯線被覆層は、上記芯線を被うように被覆押し出し成形されており 、また上記外部管状層は、上記巻き線と上記芯線被覆層とを被うように被覆押し 出し成形されている請求項1記載のカテーテル。 5. 上記平坦手段は、一対の両端部を有した平らな銅リボンとなっており、 該リボンは、一端で上記巻き線の上記各一本に電気的且つ物理的に接続されると 共に、上記外部管状層周りで完全に張った状態で掛け渡され且つ他方端でそれ自 身に物理的に連結されている請求項1記載のカテーテル。 6. 上記芯線は、かなりの捩り強度と側方曲げ後にゆっくり戻る性質とを有 した焼鈍ステンレススチール線の撚って捩った形状となっている請求項1記載の カテーテル。 7. 上記芯線被覆層と上記外部管状層は、ポリウレタンから形成されている 請求項1記載のカテーテル。 8. 各上記巻き線は、電気絶縁体で覆われており、また各巻き線を覆う上記 電気絶縁体は、上記電極の一つの下に除去部を形成している請求項1記載のカテ ーテル。 9. 上記芯線被覆層は、少なくとも内部環体と該内部環体の半径方向外側に 設けられた同軸の外部環体とを形成しており、また上記複数の巻き線は、上記内 部環体内で一方向に螺旋状に巻かれた上記巻き線の内部組と、該内部組の半径方 向外側に設けられ反対方向に螺旋状に巻かれた上記巻き線の外部組とを形成して いる請求項1記載のカテーテル。 10. 上記複数の電極は、少なくても上記電極の近位組と上記電極の遠位組 とを形成しており、上記電極の近位組と上記外部環体の上記巻き線の外部組とは 、電気的に導通しており、また上記電極の遠位組と上記内部環体の上記巻き線の 内部組とは電気的に導通している請求項9記載のカテーテル。 11. 上記電極の内少なくても10個は、実質的に可撓性である請求項1記 載のカテーテル。 12. 上記芯線は、導電性で且つ上記遠位端部から遠位方向に突出した延長 部を有しており、また導電性の端部電極は、上記芯線延長部上に遠位端でクリン プされ且つ上記外部管状層と半径方向で面一に近位端部でクリンプされている請 求項1記載のカテーテル。 13. 更に上記除去部分に充填する電気絶縁接着剤を有している請求項1記 載のカテーテル。 14. 上記芯線被覆層は、上記外部管状層よりも硬くなっている請求項1記 載のカテーテル。 15. 上記内部環体は透明でなく、また上記外部環体は透明である請求項9 記載のカテーテル。 16.(A)近位端部と遠位端部と上記端部の中間の導電性の外部管状層とを 形成し、可撓な芯線と該芯線周りの可撓な非導電芯被覆プラスチック層とを有し た細長い可撓チューブであって、上記芯線がかなりの捩り強度と側方曲げ後にゆ っくり戻る性質とを有した焼鈍ステンレススチール線の撚って捩った形状となっ ており、上記芯線被覆層が上記芯線を被うように被覆押し出し成形されており、 上記芯線被覆層が少なくとも内部環体と該内部環体の半径方向外側に設けられた 同軸の外部環体とを形成している可撓チューブと; (B)上記外部管状層上に少なくても部分的に配置された複数の電極であって 、少なくても上記電極の近位組と上記電極の遠位組とを形成している複数の電極 と; (C)近位端部と上記の各電極との間で電気信号を伝えるもので、芯線と外部 管状層の中間に、上記芯線被覆層周りにおいて少なくとも部分的に入り込んで螺 旋状に巻かれ且つ少なくとも上記芯線被覆層によって相互に絶縁され且つ少なく とも上記外部管状層によって周囲から絶縁された長手方向に隔設された複数の可 撓な導電線を有した伝導手段と を備え、上記複数の巻き線が、少なくても上記内部環体内で一方向に螺旋状に 巻かれた上記巻き線の内部組と、該内部組の半径方向外側に設けられ反対方向に 螺旋状に巻かれた上記巻き線の外部組とを形成し、上記外部管状層と上記芯線被 覆層と上記巻き線周りの電気絶縁体とが、上記巻き線の各一本と上記電極の各一 個との間の電気接触を可能にするために各上記電極の切片周りに除去部を形成し 、 上記の各電極が、上記巻き線の各一本と電気的に導通するための導電性の可撓 な平坦手段の形をしており、上記平坦手段が、一対の両端部を有した平らな銅リ ボンとなっており、該リボンが、一端部で上記巻き線の各一本に電気的且つ物理 的に接続されると共に、上記外部管状層周りで完全に張った状態で掛け渡され且 つ他方端部でそれ自身に溶接で物理的に連結されており、上記の各電極が、上記 外部管状層上にクリンプされており、上記外部管状層が、上記巻き線と上記芯線 被覆層とを被うように被覆押し出し成形されており、上記電極の近位組と上記外 部環体の上記巻き線の外部組とが電気的に導通しており、また上記電極の遠位組 と上記内部環体の上記巻き線の内部組とが電気的に導通していることを特徴とす るリング電極無しの電極担持用カテーテル。 17.(A)可撓な細長い芯線部を被うようにプラスチックの芯線被覆層を被 覆押し出し成形する工程と; (B)隔設された複数の可撓な導電線を芯線被覆層周りに少なくても部分的に 入り込むように螺旋状に巻く工程と; (C)巻き線と芯線被覆層を被うようにプラスチックの可撓な非導電性の外部 層を被覆押し出し成形する工程と; (D)各巻き線の一部を露出させるように複数の隔設された個所で外部層と芯 線被覆層と巻き線周りの絶縁体の一部分を除去する工程と; (E)各個所の除去部分を、一端部で巻き線の各一本に電気的且つ物理的に接 続され、且つ外部管状層周りで完全に張った状態で掛け渡され、次いで他方端部 でそれ自身に連結された導電性の可撓なリボン電極に取って代える工程と; (F)各隔設された個所で外部層上に各リボン電極をその周りでクリンプする 工程と を備えたことを特徴とする電極担持用カテーテルの製造方法。 18. リボン電極は、溶接によって露出部分に接続されている請求項17記 載の方法。 19. 芯線被覆層は、螺旋巻き工程中は外部層より柔らかくなっている請求 項17記載の方法。 20. 巻き工程中に線が巻かれる芯線被覆層の一部を加熱する付加工程を有 している請求項17記載の方法。 21. 芯線被覆層は、製造完了後は外部層より硬くなっている請求項20記 載の方法。 22. 各リボン電極は、一対の両端部を有しており、リボン電極は、一端部 で巻き線の各一本に電気的且つ物理的に接続され、且つ外部管状層周りで完全に 張った状態で掛け渡され、他方端部でそれ自身に物理的に接続されている請求項 17記載の方法。 23. 上記芯線は、かなりの捩り強度と側方曲げ後にゆっくり戻る性質とを 有した焼鈍ステンレススチール線の撚って捩った形状となっている請求項17記 載の方法。 24. 芯線被覆層と外部管状層は、ポリウレタンから形成されている請求項 17記載の方法。 25. 各巻き線は、電気絶縁体で覆われており、また電気絶縁体は、各リボ ン電極の切片の下に除去部を形成している請求項17記載の方法。 26. 芯線被覆層は、少なくとも内部環体と該内部環体の半径方向外側に設 けられた同軸の外部環体とを形成しており、また複数の巻き線は、内部環体内で 一方向に螺旋状に巻かれた巻き線の内部組と、該内部組の半径方向外側に設けら れ反対方向に螺旋状に巻かれた巻き線の外部組とを形成している請求項17記載 の方法。 27. 複数のリボン電極は、少なくてもリボン電極の近位組とリボン電極の 遠位組とを形成しており、リボン電極の近位組と外部環体の巻き線の外部組とは 、電気的に導通しており、またリボン電極の遠位組と内部環体の巻き線の内部組 とは電気的に導通している請求項26記載の方法。 28. 内部環体は透明でなく、また外部環体は透明である請求項26記載の 方法。 29. 外部層は、クリンプ工程中に加熱されてそれを軟化する請求項17記 載の方法。 30. 少なくても10個のリボン電極を収容しており、実質的に可撓となっ ている請求項17記載の方法。 31. クリンプ後に、各個所の除去部分は電気絶縁接着剤で充填される請求 項17記載の方法。 32.(A)可撓な導電性の細長い芯線を被うようにプラスチックの芯線被覆 層を被覆押し出し成形するもので、芯線がかなりの捩り強度と側方曲げ後にゆっ くり戻る性質とを有した焼鈍ステンレススチール線の撚って捩った形状となって おり、芯線被覆層が少なくとも内部環体と該内部環体の半径方向外側に設けられ た同軸の外部環体とを形成している工程と; (B)隔設された複数の可撓な導電線を芯線被覆層周りに少なくても部分的に 入り込むように螺旋状に巻くもので、複数の巻き線が、少なくても内部環体内で 一方向に螺旋状に巻かれた巻き線の内部組と、該内部組の半径方向外側に設けら れ反対方向に螺旋状に巻かれた巻き線の外部組とを形成した工程と; (C)巻き線と芯線被覆層を被うようにプラスチックの可撓な非導電性の外部 層を被覆押し出し成形するもので、芯線被覆層が巻き工程中に外部管状層よりも 柔らくなっている工程と; (D)各巻き線の一部を露出させるように複数の隔設された個所で外部層と芯 線被覆層と巻き線周りの絶縁体の一部分とを除去する工程と; (E)各隔設された個所の除去部分を一対の両端部を有した導電性の可撓なリ ボン電極に取って代えるもので、リボン電極が一端部で溶接で巻き線の各一本に 電気的且つ物理的に接続され、且つ外部管状層周りで完全に張った状態で掛け渡 され、他方端部でそれ自身に溶接で連結され、複数のリボン電極が少なくてもリ ボン電極の近位組とリボン電極の遠位組とを形成しており、リボン電極の近位組 と外部環体の巻き線の外部組とは電気的に導通しており、またリボン電極の遠位 組と内部環体の巻き線の内部組とは電気的に導通している工程と; (F)各隔設された個所で外部層上に各リボン電極をその周りでクリンプする 工程と; (G)除去部分を電気絶縁接着剤で充填する工程と を備えたことを特徴とする電極担持用カテーテルの製造方法。
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US08/355,663 | 1994-12-14 | ||
US08/355,663 US5555618A (en) | 1993-10-12 | 1994-12-14 | Method of making electrode-carrying catheter |
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JPH08266498A (ja) * | 1995-03-30 | 1996-10-15 | Riken Densen Kk | 多電極プローブにおける長尺母材の被覆方法 |
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Also Published As
Publication number | Publication date |
---|---|
US5555618A (en) | 1996-09-17 |
WO1996018339A1 (en) | 1996-06-20 |
JP3790269B2 (ja) | 2006-06-28 |
EP0782409A4 (en) | 1998-04-01 |
EP0782409A1 (en) | 1997-07-09 |
AU3585195A (en) | 1996-07-03 |
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