Patent US6086583A successfully refreshed from Google Patents.
US6086583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cautery for endoscope
Assignee: Pentax Corp
•
Filing: 1998-06-02
•
Granted: 2000-07-11
•
Expires: 2018-06-02
Abstract
Abstract An electric cautery used with an endoscope includes a hood mounted to a distal end of an insertion part of the endoscope. An electrode is provided to an inner surface and/or an end surface of the hood. A cable is provided to supply electricity to the electrode. The cable extends in the channel of the insertion part of the endoscope.
Inventors
- 👤 Teruo Ouchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:33
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00089; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1492; A61B1/04; A61B1/05; A61B10/00; A61B10/02; A61B17/00; A61B17/00234; A61B2017/00292; A61B2017/00296; A61B2018/00053; A61B2018/00273; A61B2018/00291; A61B2018/00571; A61B2018/00577; A61B2018/00982; A61B18/1206; A61B2018/1246; A61B2018/1253; A61B2018/126; A61B2018/1495; A61B2018/1497; A61B2218/00; A61B2218/001; A61B2218/007
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
138 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having an image observing optical system at a distal end of said insertion part and at least one channel that opens at said distal end of said insertion part, said channel enabling suction, said electric cautery comprising: a hood mounted to said distal end of said insertion part; at least one electrode provided to at least one of an inner surface and an end surface of said hood; at least one cable which supplies electricity to said electrode, said cable extending in said channel; said hood including a protrusion which inwardly protrudes from an inner surface of said hood, said cable and said electrode being electrically connected with each other at said protrusion.
Claim 2
Dependent Claim
138 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having an image observing optical system at a distal end of said insertion part and at least one channel that opens at said distal end of said insertion part, said channel enabling suction, said electric cautery comprising: a hood mounted to said distal end of said insertion part; at least one electrode provided to at least one of an inner surface and an end surface of said hood; at least one cable which supplies electricity to said electrode, said cable extending in said channel; said hood including a protrusion which inwardly protrudes from an inner surface of said hood, said cable and said electrode being electrically connected with each other at said protrusion.
Claim 3
Dependent Claim
164 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having an image observing optical system at a distal end of said insertion part and at least one channel that opens at said distal end of said insertion part, said channel enabling suction, said electric cautery comprising: a hood mounted to said distal end of said insertion part, said hood including a protrusion which inwardly protrudes from an inner surface of said hood; at least one electrode provided to an outer surface of said hood; at least one cable which supplies electricity to said electrode, said cable extending in said channel, said cable including a lead wire and a sheath covering said lead wire; wherein said opening of said channel and said protrusion are overlapped with each other in a direction of the axis of said insertion part and said lead wire extends through said protrusion to said electrode.
Claim 4
Dependent Claim
164 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having an image observing optical system at a distal end of said insertion part and at least one channel that opens at said distal end of said insertion part, said channel enabling suction, said electric cautery comprising: a hood mounted to said distal end of said insertion part, said hood including a protrusion which inwardly protrudes from an inner surface of said hood; at least one electrode provided to an outer surface of said hood; at least one cable which supplies electricity to said electrode, said cable extending in said channel, said cable including a lead wire and a sheath covering said lead wire; wherein said opening of said channel and said protrusion are overlapped with each other in a direction of the axis of said insertion part and said lead wire extends through said protrusion to said electrode.
Claim 5
Dependent Claim
86 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having at least one channel, said electric cautery comprising: a tube inserted through said channel, said tube enabling suction; at least one electrode provided to a tip of the tube, said electrode comprising a plurality of pins located in a hollow portion of said tube; at least one cable which supplies electricity to said electrode, said cable extending through said tube.
Claim 6
Dependent Claim
86 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having at least one channel, said electric cautery comprising: a tube inserted through said channel, said tube enabling suction; at least one electrode provided to a tip of the tube, said electrode comprising a plurality of pins located in a hollow portion of said tube; at least one cable which supplies electricity to said electrode, said cable extending through said tube.
Claim 7
Dependent Claim
18 words
The electric cautery according to claim 3, wherein said electrode extends in a hollow portion of said tube.
Claim 8
Dependent Claim
22 words
The electric cautery according to claim 3, wherein said electrode is provided to an inner surface of said tip of the tube.
Claim 9
Dependent Claim
18 words
The electric cautery according to claim 3, wherein said electrode is embedded in a sheath of said tube.
Claim 10
Dependent Claim
19 words
The electric cautery according to claim 3, wherein voltages of same polarity are applied to said plurality of pins.
Claim 11
Dependent Claim
19 words
The electric cautery according to claim 3, wherein voltages of reversed polarity are applied to said plurality of pins.
Claim 12
Dependent Claim
30 words
The electric cautery according to claim 3, further comprising a connector to which a proximal end of said tube is provided, wherein said connector is connected to a suction apparatus.
Claim 13
Dependent Claim
26 words
The electric cautery according to claim 9, wherein said connector is provided with a control bulb that is used to control a suction through said tube.
Claim 14
Dependent Claim
28 words
The electric cautery according to claim 9, wherein a hole is formed on said connector, a suction is enabled when an operator shields said opening of said connector.
Claim 15
Dependent Claim
125 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having at least one channel that opens at a distal end of said insertion part, said channel enabling suction, said electric cautery comprising: a hood mounted to said distal end of said insertion part; at least one electrode provided to at least one of an inner surface and an end surface of said hood; at least one cable which supplies electricity to said electrode, said cable extending in said channel; and said hood including a protrusion which inwardly protrudes from an inner surface of said hood, said cable and said electrode being electrically connected with each other at said protrusion.
Claim 16
Dependent Claim
125 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having at least one channel that opens at a distal end of said insertion part, said channel enabling suction, said electric cautery comprising: a hood mounted to said distal end of said insertion part; at least one electrode provided to at least one of an inner surface and an end surface of said hood; at least one cable which supplies electricity to said electrode, said cable extending in said channel; and said hood including a protrusion which inwardly protrudes from an inner surface of said hood, said cable and said electrode being electrically connected with each other at said protrusion.
Claim 17
Dependent Claim
29 words
The electric cautery according to claim 12, said opening of said channel and said protrusion are overlapped with each other in a direction of axis of said insertion part.
Claim 18
Dependent Claim
21 words
The electric cautery according to claim 13, wherein a gap is provided between said protrusion and said opening of said channel.
Claim 19
Dependent Claim
15 words
The electric cautery according to claim 12, wherein said electrode partially extends in said protrusion.
Claim 20
Dependent Claim
149 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having at least one channel that opens at a distal end of said insertion part, said channel enabling suction, said electric cautery comprising: a hood mounted to said distal end of said insertion part, said hood including a protrusion which inwardly protrudes from an inner surface of said hood, wherein said opening of said channel and said protrusion are overlapped with each other in a direction of axis of said insertion part; at least one electrode provided to an outer surface of said hood; at least one cable which supplies electricity to said electrode, said cable extending in said channel, said cable including a lead wire and a sheath covering said lead wire, wherein said lead wire extends through said protrusion to said electrode.
Claim 21
Dependent Claim
149 words
An electric cautery used with an endoscope, said endoscope comprising an elongated insertion part to be inserted into a human body cavity, said insertion part having at least one channel that opens at a distal end of said insertion part, said channel enabling suction, said electric cautery comprising: a hood mounted to said distal end of said insertion part, said hood including a protrusion which inwardly protrudes from an inner surface of said hood, wherein said opening of said channel and said protrusion are overlapped with each other in a direction of axis of said insertion part; at least one electrode provided to an outer surface of said hood; at least one cable which supplies electricity to said electrode, said cable extending in said channel, said cable including a lead wire and a sheath covering said lead wire, wherein said lead wire extends through said protrusion to said electrode.
References Cited (Backward Citations)
US4311144A
Cited
JPS6031688A
Cited
JPS617696A
Cited
US5084045A
Cited
US5133714A
Cited
US5277696A
Cited
US5697882A
Cited
US5730742A
Cited
JPH08131397A
Cited
US5814044A
Cited
US5904681A
Cited
US5906615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-07-11 | 2004-01-10 | 2004-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-07-11 | 2008-01-10 | 2008-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-07-11 | 2012-01-10 | 2012-07-11 | $7700.00 | Window Closed / Lapsed |