Resectoscope apparatus
First Claim
Patent Images
1. A resectoscope apparatus comprising:
- an elongate hollow sheath to be inserted into a body cavity;
an endoscope having an insertable part including an optical system inserted through said sheath for making the body cavity observable;
an operating part connected to said sheath;
a slider provided in said operating part, said slider including an electrode and a cord connected to said electrode for feeding a high frequency current from a high frequency current source to said electrode, said electrode being inserted through said sheath for making such treatment as resecting or coagulating tissues within a body cavity by using high frequency current;
said electrode being mounted in said slider and projecting therefrom in a sliding direction, said slider being movable with respect to said operating part in said sliding direction for inserting said electrode through said sheath, andsaid electrode having a bent portion within said slider bending away from said sliding direction, said electrode being fixed to said slider by a holding part within said slider formed to hold said electrode at least one of said bent portion and a terminal portion proximal to said bent portion.
1 Assignment
0 Petitions
Accused Products
Abstract
The resectoscope apparatus of this invention comprises an elongate hollow sheath to be inserted into a body cavity, an endoscope having an optical system inserted through said sheath and making the body cavity interior observable, an operating part connected to the sheath and a slider made integral with at least one of an electrode inserted through the sheath and making such treatment as resecting or coagulating tissues within a body cavity by using a high frequency current and a cord for feeding the high frequency current from a high frequency current source to the electrode and a slider which is provided in the operating part and can operate the electrode from outside the body.
252 Citations
44 Claims
-
1. A resectoscope apparatus comprising:
-
an elongate hollow sheath to be inserted into a body cavity; an endoscope having an insertable part including an optical system inserted through said sheath for making the body cavity observable; an operating part connected to said sheath; a slider provided in said operating part, said slider including an electrode and a cord connected to said electrode for feeding a high frequency current from a high frequency current source to said electrode, said electrode being inserted through said sheath for making such treatment as resecting or coagulating tissues within a body cavity by using high frequency current; said electrode being mounted in said slider and projecting therefrom in a sliding direction, said slider being movable with respect to said operating part in said sliding direction for inserting said electrode through said sheath, and said electrode having a bent portion within said slider bending away from said sliding direction, said electrode being fixed to said slider by a holding part within said slider formed to hold said electrode at least one of said bent portion and a terminal portion proximal to said bent portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A resectoscope apparatus comprising:
-
an elongate hollow sheath to be inserted into a body cavity; an endoscope having an insertable part including an optical system inserted through said sheath for making the body cavity observable; an operating part connected to said sheath; a slider provided in said operating part, said slider including an electrode and a cord connected to said electrode for feeding a high frequency current from a high frequency current source to said electrode, said electrode being inserted through said sheath for making such treatment as resecting or coagulating tissues within a body cavity by using high frequency current; said electrode being mounted in said slider and projecting therefrom in a sliding direction, said slider being movable with respect to said operating part in said sliding direction for inserting said electrode through said sheath, wherein said slider is formed of at least two parts fitting together, and said electrode is fixed to the slider by sandwiching the electrode between two said parts. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
-
-
28. A resectoscope apparatus comprising:
-
an elongate hollow sheath to be inserted into a body cavity; an endoscope having an insertable part including an optical system inserted through said sheath for making the body cavity observable; an operating part connected to said sheath; a slider provided in said operating part, said slider including an electrode and a cord connected to said electrode for feeding a high frequency current from a high frequency current source to said electrode, said electrode being inserted through said sheath for making such treatment as resecting or coagulating tissues within a body cavity by using high frequency current; said electrode being mounted in said slider and projecting therefrom in a sliding direction, said slider being movable with respect to said operating part in said sliding direction for inserting said electrode through said sheath, wherein said electrode and cord are insulated at connecting parts thereof so as to prevent contact with fluids at the connection, said electrode being fixed to said slider at said holding part and said electrode and cord connecting parts being housed within said slider. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
-
-
41. A resectoscope apparatus comprising:
-
an elongate hollow sheath to be inserted into a body cavity; an endoscope having an insertable part including an optical system inserted through said sheath for making the body cavity observable; an operating part connected to said sheath; a slider provided in said operating part, said slider including an electrode and a cord connected to said electrode for feeding a high frequency current from a high frequency current source to said electrode, said electrode being inserted through said sheath for making such treatment as resecting or coagulating tissues within a body cavity by using high frequency current; said electrode being mounted in said slider and projecting therefrom in a sliding direction, said slider being movable with respect to said operating part in said sliding direction for inserting said electrode through said sheath, and said electrode having a bent portion within said slider bending away from said sliding direction, said electrode being fixed to said slider by a holding part within said slider formed to hold said electrode at least one of said bent portion and a terminal portion proximal to said bent portion; wherein said slider is formed of at least two parts fitting together, and said electrode is fixed to the slider by sandwiching the electrode between two said parts.
-
-
42. A resectoscope apparatus comprising:
-
an elongate hollow sheath to be inserted into a body cavity; an endoscope having an insertable part including an optical system inserted through said sheath for making the body cavity observable; an operating part connected to said sheath; a slider provided in said operating part, said slider including an electrode and a cord connected to said electrode for feeding a high frequency current from a high frequency current source to said electrode, said electrode being inserted through said sheath for making such treatment as resecting or coagulating tissues within a body cavity by using high frequency current; said electrode being mounted in said slider and projecting therefrom in a sliding direction, said slider being movable with respect to said operating part in said sliding direction for inserting said electrode through said sheath, and said electrode having a bent portion within said slider bending away from said sliding direction, said electrode being fixed to said slider by a holding part within said slider formed to hold said electrode at least one of said bent portion and a terminal portion proximal to said bent portion; wherein said electrode and cord are insulated at connecting parts thereof so as to prevent contact with fluids at the connection, said electrode being fixed to said slider at said holding part and said electrode and cord connecting parts being housed within said slider.
-
-
43. A resectoscope apparatus comprising:
-
an elongate hollow sheath to be inserted into a body cavity; an endoscope having an insertable part including an optical system inserted through said sheath for making the body cavity observable; an operating part connected to said sheath; a slider provided in said operating part, said slider including an electrode and a cord connected to said electrode for feeding a high frequency current from a high frequency current source to said electrode, said electrode being inserted through said sheath for making such treatment as resecting or coagulating tissues within a body cavity by using high frequency current; said electrode being mounted in said slider and projecting therefrom in a sliding direction, said slider being movable with respect to said operating part in said sliding direction for inserting said electrode through said sheath, and wherein said slider is formed of at least two parts fitting together, and said electrode is fixed to the slider by sandwiching the electrode between two said parts; and wherein said electrode and cord are insulated at connected parts thereof so as to prevent contact with fluids at the connection, said electrode being fixed to said slider at said holding part and said electrode and cord connecting parts being housed within said slider.
-
-
44. A resectoscope apparatus comprising:
-
an elongate hollow sheath to be inserted into a body cavity; an endoscope having an insertable part including an optical system inserted through said sheath for making the body cavity observable; an operating part connected to said sheath; a slider provided in said operating part, said slider including an electrode and a cord connected to said electrode for feeding a high frequency current from a high frequency current source to said electrode, said electrode being inserted through said sheath for making such treatment as resecting or coagulating tissues within a body cavity by using high frequency current; said electrode being mounted in said slider and projecting therefrom in a sliding direction, said slider being movable with respect to said operating part in said sliding direction for inserting said electrode through said sheath, and said electrode having a bent portion within said slider bending away from said sliding direction, said electrode being fixed to said slider by a holding part within said slider formed to hold said electrode at least one of said bent portion and a terminal portion proximal to said bent portion; wherein said slider is formed of at least two parts fitting together, and said electrode is fixed to the slider by sandwiching the electrode between two said parts; and wherein said electrode and cord are insulated at connecting parts thereof so as to prevent contact with fluids at the connection, said electrode being fixed to said slider at said holding part and said electrode and cord connecting parts being housed within said slider.
-
Specification