Therapeutic treatment device for body lumen occlusion and method for occluding body lumen using the same
A therapeutic treatment device for body lumen occlusion of the invention includes: a pliable tubular main body portion including a fluid path inside thereof, the pliable tubular main body portion being inserted into a body lumen; an energy generating portion disposed on a side of one end of the main body portion; and an aperture portion communicating with the fluid path, the aperture portion being disposed in proximity to the energy generating portion. This allows the present invention to achieve a therapeutic treatment device for body lumen occlusion inexpensively produceable with a simple constitution, which can prevent damaging a body lumen and selectively occlude the body lumen.
1 . A therapeutic treatment device for body lumen occlusion, comprising:
a pliable tubular main body portion including a fluid path inside thereof, the pliable tubular main body portion being inserted into a body lumen;
an energy generating portion disposed on a side of one end of the main body portion; and
an aperture portion communicating with the fluid path, the aperture portion being disposed in proximity to the energy generating portion.
2 . The therapeutic treatment device for body lumen occlusion according to claim 1 , wherein the energy generating portion is disposed to a side circumferential portion of the main body portion, and wherein the aperture portion is disposed to the side circumferential surface of the main body portion.
3 . The therapeutic treatment device for body lumen occlusion according to claim 1 , wherein the energy generating portion is an electrode for discharging a high-frequency current.
4 . The therapeutic treatment device for body lumen occlusion according to claim 2 , wherein the energy generating portion is an electrode for discharging a high-frequency current.
5 . The therapeutic treatment device for body lumen occlusion according to claim 3 , wherein the electrode is a pair of bipolar electrodes, and wherein the aperture portion is disposed in a plurality of numbers at approximately the same intervals around the side circumferential portion between the pair of bipolar electrodes.
6 . The therapeutic treatment device for body lumen occlusion according to claim 4 , wherein the electrode is a pair of bipolar electrodes, and wherein the aperture portion is disposed in a plurality of numbers at approximately the same intervals around the side circumferential portion between the pair of bipolar electrodes.
7 . The therapeutic treatment device for body lumen occlusion according to claim 1 , wherein the main body portion is provided with an optical fiber for irradiating laser light, and wherein the energy generating portion is disposed on a surface of the one end of the main body portion, and is an irradiation portion for irradiating laser light transmitted by the optical fiber to the body lumen.
8 . The therapeutic treatment device for body lumen occlusion according to claim 1 , wherein the fluid path is a suction path connected to an external suction device, the suction path being used for negatively pressurizing inside of the body lumen from the aperture portion.
9 . The therapeutic treatment device for body lumen occlusion according to claim 2 , wherein the fluid path is a suction path connected to an external suction device, the suction path being used for negatively pressurizing inside of the body lumen from the aperture portion.
10 . The therapeutic treatment device for body lumen occlusion according to claim 3 , wherein the fluid path is a suction path connected to an external suction device, the suction path being used for negatively pressurizing inside of the body lumen from the aperture portion.
11 . The therapeutic treatment device for body lumen occlusion according to claim 4 , wherein the fluid path is a suction path connected to an external suction device, the suction path being used for negatively pressurizing inside of the body lumen from the aperture portion.
12 . The therapeutic treatment device for body lumen occlusion according to claim 5 , wherein the fluid path is a suction path connected to an external suction device, the suction path being used for negatively pressurizing inside of the body lumen from the aperture portion.
13 . The therapeutic treatment device for body lumen occlusion according to claim 6 , wherein the fluid path is a suction path connected to an external suction device, the suction path being used for negatively pressurizing inside of the body lumen from the aperture portion.
14 . The therapeutic treatment device for body lumen occlusion according to claim 7 , wherein the fluid path is a suction path connected to an external suction device, the suction path being used for negatively pressurizing inside of the body lumen from the aperture portion.
15 . The therapeutic treatment device for body lumen occlusion according to claim 7 , wherein the fluid path is a solution supplying path used for ejecting a laser light absorptive solution from outside, from the aperture portion into the body lumen.
16 . A method for occluding a body lumen using a therapeutic treatment device for body lumen occlusion, the device including: a pliable tubular main body portion including a fluid path inside thereof, the pliable tubular main body portion being inserted into a body lumen; an energy generating portion disposed on a side of one end of the main body portion; and an aperture portion communicating with the fluid path disposed in the main body portion, the aperture portion being disposed in proximity to the energy generating portion,
the method comprising:
inserting the one end of the main body portion where the energy generating portion is disposed into the body lumen to reach a portion to be treated;
shrinking a lumen wall by applying suction to the fluid path to negatively pressurize inside of the body lumen from the aperture portion; and
subjecting a part of the body lumen to heat-occlusion by shrinking and coagulating the part of the body lumen, by applying a predetermined energy to the shrunk lumen wall from the energy generating portion to thereby heat the lumen wall.
17 . A method for occluding a body lumen using a therapeutic treatment device for body lumen occlusion, the device including: a pliable tubular main body portion including, inside thereof, a fluid path and an optical fiber, the pliable tubular main body portion being inserted into a body lumen; an irradiation portion for irradiating laser light from the optical fiber, the irradiation portion being disposed on a side of one end of the main body portion; and an aperture portion communicating with the fluid path disposed in the main body portion, the aperture portion being disposed in proximity to the irradiation portion,
the method comprising:
inserting the one end of the main body portion where the energy generating portion is disposed into the body lumen to reach a portion to be treated;
diffusing from the aperture portion a laser light absorptive solution into the body lumen by supplying the laser light absorptive solution to the fluid path; and
subjecting a part of the body lumen to heat-occlusion by shrinking and coagulating the part, by irradiating laser light from the irradiation portion to the laser light absorptive solution to thereby heat the laser light absorptive solution.