Electrical apparatus for treating affected part in a coeloma

Claim 2

An electrical apparatus for treating an affected part in a coeloma comprising: an electrically insulating, hollow, flexible tube having a distal end and a proximal end and adapted to be inserted into a coeloma and having an opening in its distal end; an electrode operating member formed of an insulating material and having a first end facing said distal end of said flexible tube and a second end facing said proximal end of said flexible tube, said electrode operating member being slidably disposed within said flexible tube such that said electrode operating member can slide towards and away from said distal end of said flexible tube; a plurality of treating electrodes each being formed of a resilient, conductive material, each of said treating electrodes having a free end and a base end, said base ends of said treating electrodes being attached to said first end of said electrode operating member, said free ends of said treating electrodes extending towards said opening in said flexible tube for movement out of and into said opening in said flexible tube in response to movement of said electrode operating member; an operating wire extending from said proximal end of said flexible tube into said flexible tube and secured to said second end of said electrode operating member for causing displacement of said electrode operating member in response to displacement of said operating wire into and out of said flexible tube, said operating wire including power cable means for supplying a high frequency current to the treating electrodes.

Claim 3

An electrical apparatus according to claim 1 in which at least one of the treating electrodes is covered with an electrically insulating material over the length of said one electrode which is located externally of the electrode operating member except for the extreme end portion of the free end which remains exposed for cooperation with another one of the electrodes to hold a portion of a tissue in a coeloma therebetween, thus preventing direct contact between the cooperating electrodes.

Claim 4

An electrical apparatus according to claim 1 in which the tip of the free ends of each treating electrode is made spherical to increase the area of contact with a tissue in the coeloma.

Claim 5

An electrical apparatus according to claim 1 in which a pair of said treating electrodes are formed of conductive blades each including a free end of a width slightly less than the internal diameter of the flexible tube and a base end at which it is attached to the electrode operating member, the width of the base end being reduced as compared with the width of the free end, said electrodes being disposed in opposing relationship with each other and being resiliently urged so that their free ends are removed from each other, the tips of the free ends of the electrodes being curved toward each other.

Claim 6

The apparatus of claim 1 further comprising an additional electrode extending through said operating member and having a first end movable into and out of said opening independently out of said operating member; said power cable means including a wire connected to the opposite end of said additional electrode for moving said additional electrode and for supplying electric power thereto.

Claim 7

The apparatus of claim 5 wherein at least two electrodes are secured to said operating member and electrically connected in common; the first end of said additional electrode being positioned so that the tip thereof is positioned between the tips of the free ends of said two electrodes.

Claim 8

An electrical apparatus for treating an affected part in a coeloma comprising: an electrically insulating flexible tube having a distal end and a proximal end and adapted to be inserted into a coeloma, said flexible tube having an opening in its distal end; an electrode operating member having a first end facing said distal end of said flexible tube and a second end facing said proximal end of said flexible tube, said electrode operating member being slidably disposed within said flexible tube such that said electrode operating member can slide towards and away from said distal end of said flexible tube; a first and a second treating electrode, each of said treating electrodes having a free end and a base end, said base end of each of said treating electrodes being attached to said first end of said electrode operating member, said free end of each of said treating electrodes extending towards said opening in said flexible tube for movement out of or into said opening in the distal end of said flexible tube in response to movement of said electrode operating member; a wire assembly extending from said proximal end of said flexible tube into said flexible tube and secured to said electrode operating member for causing displacement of said electrode operating member in response to displacement of said operating wire into and out of said flexible tube, said wire assembly including a helical conductive coil having a central opening therethrough and disposed within said flexible tube and having one end coupled to said first treating electrode for supplying a high frequency current to said first treating electrode, and a conductive wire spaced from and passing into said central opening in said conductive coil and being coupled to said second treating electrode for supplying high frequency current to said second treating electrode.

Claim 9

An electrical apparatus for treating an affected part in a coeloma comprising: an electrically insulating flexible tube having a distal end and a proximal end and adapted to be inserted into a coeloma, said flexible tube having an opening in its distal end; an electrode operating member having a first end facing said distal end of said flexible tube and a second end facing said proximal end of said flexible tube, said electrode operating member being slidably disposed within said flexible tube such that said electrode operating member can slide towards and away from said distal end of said flexible tube; a first and a second treating electrode, each of said treating electrodes having a free end and a base end, said base end of each of said treating electrodes being attached to said first end of said electrode operating member, said free end of each of said treating electrodes extending towards said opening in said flexible tube for movement out of or into said opening in the distal end of said flexible tube in response to movement of said electrode operating member; a wire assembly extending from said proximal end of said flexible tube into said flexible tube and secured to said electrode operating member for causing displacement of said electrode operating member in response to displacement of said operating wire into and out of said flexible tube, said wire assembly including a helical conductive coil having a central opening therethrough and disposed within said flexible tube and having one end coupled to said first treating electrode for supplying a high frequency current to said first treating electrode, and a conductive wire spaced from and passing into said central opening in said conductive coil and being coupled to said second treating electrode for supplying high frequency current to said second treating electrode.

Claim 10

An electrical apparatus for treating an affected part in a coeloma, comprising: an electrically insulating, hollow, flexible tube having a distal end and a proximal end, said tube being adapted to be inserted into a coeloma and having an opening in its distal end; an electrode operating member having a central passage therethrough and having a first end facing said distal end of said flexible tube and a second end facing said proximal end of said flexible tube, said electrode operating member being slidably disposed within said flexible tube, such that said electrode operating member can slide towards and away from said distal end of said flexible tube; a plurality of treating electrodes, each of said treating electrodes having a free end and a base end, said base end of each of said electrodes being attached to said first end of said electrode operating member, said free ends of said treating electrodes extending towards said opening in said flexible tube for movement out of or into said opening in said flexible tube in response to movement of said electrode operating member, said treating electrodes slidably engaging the periphery of said opening in said flexible tube; a first operating wire extending from said proximal end of said flexible tube into said flexible tube and secured to said second end of said electrode operating member for causing displacement of said electrode operating member in response to displacement of said first operating wire into and out of said flexible tube; a second operating wire extending from said proximal end of said flexible tube into said flexible tube and through said central passage in said electrode operating member, said second operating wire having a free end extending towards said opening in said flexible tube; a treating electrode in addition to said plurality of treating electrodes attached to said free end of said second operating wire for movement out of or into said opening in said distal end of said flexible tube; and means for supplying high frequency current to said treating electrodes.

Claim 11

An electrical apparatus for treating an affected part in a coeloma, comprising: an electrically insulating, hollow, flexible tube having a distal end and a proximal end, said tube being adapted to be inserted into a coeloma and having an opening in its distal end; an electrode operating member having a central passage therethrough and having a first end facing said distal end of said flexible tube and a second end facing said proximal end of said flexible tube, said electrode operating member being slidably disposed within said flexible tube, such that said electrode operating member can slide towards and away from said distal end of said flexible tube; a plurality of treating electrodes, each of said treating electrodes having a free end and a base end, said base end of each of said electrodes being attached to said first end of said electrode operating member, said free ends of said treating electrodes extending towards said opening in said flexible tube for movement out of or into said opening in said flexible tube in response to movement of said electrode operating member, said treating electrodes slidably engaging the periphery of said opening in said flexible tube; a first operating wire extending from said proximal end of said flexible tube into said flexible tube and secured to said second end of said electrode operating member for causing displacement of said electrode operating member in response to displacement of said first operating wire into and out of said flexible tube; a second operating wire extending from said proximal end of said flexible tube into said flexible tube and through said central passage in said electrode operating member, said second operating wire having a free end extending towards said opening in said flexible tube; a treating electrode in addition to said plurality of treating electrodes attached to said free end of said second operating wire for movement out of or into said opening in said distal end of said flexible tube; and means for supplying high frequency current to said treating electrodes.

Claim 12

An electrical apparatus according to claim 8 in which the plurality of treating electrodes are in the form of resilient rods which are formed so that their free ends are displaced from each other the tips of the free ends of the respective rods being curved toward one another.

Claim 13

An electrical apparatus according to claim 8, wherein the means for supplying current to the treating electrodes includes a power cable which is inserted into the flexible tube for supplying high frequency current to the treating electrodes.