Patent application number | Description | Published |
20090099414 | METHOD OF PERFORMING DIAGNOSIS OR TREATMENT ERENDOSCOPICALLY AND MEDICAL TREATMENT DEVICE - A method of performing diagnosis or treatment perendoscopically in which a guide catheter is inserted inside a body, and the guide catheter is made to protrude beyond a distal end portion of the endoscope; and in which a first diagnosis or treatment is performed by inserting a medical treatment device that performs the diagnosis or treatment of the body inside the guide catheter, and causing this medical treatment device to protrude by a first predetermined distance from the guide catheter; and in which the medical treatment device is extracted from the guide catheter; and in which a second diagnosis or treatment is performed by inserting a medical treatment device into the guide catheter, and causing the medical treatment device to protrude by a second distance which is adjusted in accordance with the first predetermined distance. | 04-16-2009 |
20090281429 | HOOD FOR ULTRASOUND PROBE DEVICE AND ULTRASOUND PROBE DEVICE - An ultrasound probe device of the present invention includes an insertion section having an ultrasound probe, and a hood section which has a cylindrical shape having an opening portion at a distal end side and is disposed at the insertion section to surround the ultrasound probe, and is capable of decompressing a space surrounded by the hood section. | 11-12-2009 |
20090287080 | TREATMENT INSTRUMENT FOR ENDOSCOPE AND LYMPH NODE REMOVING METHOD - A treatment instrument for endoscope of the present invention includes a puncture needle having a barb. A lymph node removing method of the present invention includes: an insertion step, wherein an endoscope has an insertable insertion portion which is inserted into an esophagus or a trachea being a lumen inside the body of a subject; the step of inserting a distal end portion arranged at the tip of the insertion portion of the endoscope into the lumen; a confirmation step of confirming the position of a mediastinal lymph node by performing ultrasound scanning using an ultrasound transducer arranged at the distal end portion; an anchoring step of placing an anchoring device which has been inserted through a channel inside the insertion portion of the endoscope, on the mediastinal lymph node by performing the ultrasound scanning; a incision step of cutting a wall of the lumen to make a fistula; and a drawing-in step of drawing the mediastinal lymph node into the lumen with the anchoring device. | 11-19-2009 |
20100063392 | ULTRASOUND-GUIDED ABLATION METHOD AND ULTRASOUND-GUIDED ABLATION SYSTEM - An ultrasound-guided ablation method captures an objective area to be ablated in an ultrasound scan area of an ultrasound transducer and delineates the objective area on an ultrasound image; specifies an ablation target area to display the ablation target area with a margin necessary for ablating the objective area on the ultrasound image processed by an ultrasound observation device and displayed on a display device; ablates, by an ablation device, the ablation target area displayed on the ultrasound image; and checks, on the ultrasound image, that an ablated area ablated by the ablation device has reached the ablation target area displayed on the ultrasound image. | 03-11-2010 |
20100063401 | ULTRASOUND ENDOSCOPE SYSTEM AND ULTRASOUND OBSERVATION METHOD - When an ultrasound endoscope arrives at an objective area, a puncture needle is located in a scan area of a first ultrasound image. Thereby, an image of the puncture needle is delineated on the first ultrasound image. Furthermore, an ultrasound probe is inserted into the puncture needle and an ultrasound transducer of the ultrasound probe is arranged in the objective area through the puncture needle. Then, the ultrasound probe is driven and a second ultrasound image is delineated. Detailed observation inside the objective area in which the puncture needle is punctured is possible with the second ultrasound image. | 03-11-2010 |
20110313246 | TREATMENT INSTRUMENT FOR ENDOSCOPE AND METHOD OF HARVESTING LYMPH NODE - A treatment instrument for endoscope of the present invention includes a puncture needle having a barb. A lymph node removing method of the present invention includes: an insertion step, wherein an endoscope has an insertable insertion portion which is inserted into an esophagus or a trachea being a lumen inside the body of a subject; the step of inserting a distal end portion arranged at the tip of the insertion portion of the endoscope into the lumen; a confirmation step of confirming the position of a mediastinal lymph node by performing ultrasound scanning using an ultrasound transducer arranged at the distal end portion; an anchoring step of placing an anchoring device which has been inserted through a channel inside the insertion portion of the endoscope, on the mediastinal lymph node by performing the ultrasound scanning; a incision step of cutting a wall of the lumen to make a fistula; and a drawing-in step of drawing the mediastinal lymph node into the lumen with the anchoring device. | 12-22-2011 |
20120078094 | Ultrasound-Guided Ablation Method and Ultrasound-Guided Ablation System - An ultrasound-guided ablation method captures an objective area to be ablated in an ultrasound scan area of an ultrasound transducer and delineates the objective area on an ultrasound image; specifies an ablation target area to display the ablation target area with a margin necessary for ablating the objective area on the ultrasound image processed by an ultrasound observation device and displayed on a display device; ablates, by an ablation device, the ablation target area displayed on the ultrasound image; and checks, on the ultrasound image, that an ablated area ablated by the ablation device has reached the ablation target area displayed on the ultrasound image. | 03-29-2012 |
20120123273 | ULTRASOUND DIAGNOSTIC APPARATUS - An ultrasound diagnostic apparatus includes: transmission and reception signal lines that send transmission and reception signals of ultrasound to a plurality of ultrasound transducers; signal determining portions near the ultrasound transducers and determine a selection signal for selecting an ultrasound transducer to be driven or a readout signal for reading out the selection signal, the selection signal being sent out in synchronization with a transmission signal for forming the transmission and reception signal, and couple the ultrasound transducer to be driven with the transmission and reception signal line according to a result of the determination; and direct current blocking/clipping circuits that block a direct current bias component superimposed on the transmission and reception signal and sent via the transmission and reception signal line, and clip a waveform with large amplitude. The transmission and reception signal line sends the transmission and reception signal with the selection signal or the readout signal. | 05-17-2012 |
20120265057 | ULTRASOUND ENDOSCOPE SYSTEM AND ULTRASOUND OBSERVATION METHOD - When an ultrasound endoscope arrives at an objective area, a puncture needle is located in a scan area of a first ultrasound image. Thereby, an image of the puncture needle is delineated on the first ultrasound image. Furthermore, an ultrasound probe is inserted into the puncture needle and an ultrasound transducer of the ultrasound probe is arranged in the objective area through the puncture needle. Then, the ultrasound probe is driven and a second ultrasound image is delineated. Detailed observation inside the objective area in which the puncture needle is punctured is possible with the second ultrasound image. | 10-18-2012 |
20130109974 | BIOPSY TREATMENT INSTRUMENT | 05-02-2013 |
20130123623 | SPECIMEN COLLECTION TREATMENT INSTRUMENT - In a distal end portion of a flexible sheath which is inserted integrally with an ultrasound transducer array, cell collecting hole portions each including a through-hole which allows a distal end portion outer periphery and an internal space of the flexible sheath to communicate with each other is provided, an edge for specimen cutting is formed at an opening portion of an outer circumferential side of each of the cell collecting hole portions, and after the flexible sheath is caused to reach a lesion part or the like of a subject, specimen collection is performed without additionally inserting a biological forceps or the like into the flexible sheath, whereby a specimen of a target site such as a lesion part is reliably collected without unnecessarily increasing the number of times of insertion and extraction of an instrument into and from a body, and the burden on an examinee is reduced. | 05-16-2013 |
20130225995 | ULTRASOUND OBSERVATION APPARATUS - The invention includes: an ultrasound transducer; a holding part that holds the ultrasound transducer; an insertion portion in a rigid cylindrical shape where the holding part is installed at a distal end; and an insertion assisting instrument in a rigid rod or cylindrical shape-disposed in an extractable manner in the insertion portion; wherein: the holding part is installed at the distal end of the insertion portion to form a shape that is curved with a predetermined angle in a separating direction from a longitudinal direction from the distal end of the insertion portion; and a curvature angle of the holding part to the longitudinal direction of the insertion portion is set so that, when the insertion assisting instrument is inserted in the insertion portion, a straight line that contacts a distal end face of the insertion assisting instrument contacts the ultrasound transmitting/receiving face. | 08-29-2013 |
20140046190 | ULTRASOUND ENDOSCOPE - An ultrasound endoscope having an ultrasound probe that is provided at a rigid portion at a distal end of an insertion portion, a cable that transmits electrical signals to and from the ultrasound probe, and a rigid flexible substrate that is interposed between the ultrasound probe and the cable to transmit the electrical signals, and configures a part of a planar member in which a plurality of layers including a wiring layer are stacked as a flexible portion further including an insulating layer, and the other portion as a rigid portion further including a rigid layer, wherein the ultrasound probe is connected to the rigid portion, and at least a part of the flexible portion is disposed in a spiral shape to surround a wiring connection portion of the cable and the rigid flexible substrate, and an uncovered portion of a distal end side of the cable. | 02-13-2014 |
20140100457 | TREATMENT INSTRUMENT FOR ENDOSCOPE - A treatment instrument for an endoscope includes a specimen sampling tool including arm portions, a loading portion, and a claw portion, a proximal end of the arm portions being fixed, and a tube on an inside of which the specimen sampling tool is placed to be capable of moving back and forth. At least the claw portion is expanded in diameter further to an outer side in a radial direction R than a tube | 04-10-2014 |
20140163371 | TUMOR TISSUE REDUCTIVE PROCEDURE UNDER ULTRASOUND OBSERVATION - A tumor reductive procedure under ultrasound observation includes observing a tissue from an inside or an outside of a body with an ultrasound observation device, dissolving, breaking up, resecting, or vaporizing a tumor inner portion under ultrasound observation by the ultrasound observation device, introducing a solvent for suspension into the tumor inner portion from a distal end of a needle tube arranged in the tumor inner portion, mixing the solvent for suspension with a tumor tissue of the dissolved, broken-up, resected, or vaporized tumor inner portion, and changing the tumor inner portion to a fluid, and collecting the tumor tissue, which is mixed with the solvent for suspension and softened, from the tumor inner portion using the needle tube or another duct after changing the tumor to the fluid under the ultrasound observation. | 06-12-2014 |
20140238138 | ULTRASOUND PROBE SYSTEM - An ultrasound probe system includes a main body portion, an ultrasound observation portion transmitting ultrasound in a side surface direction of the main body portion and receiving a reflected wave, a distal-end portion provided such that a proximal-end face, on a proximal-end side is adjacent to a distal-end in an axial direction of the main body portion, a sheath portion housing the main body portion inside to be capable of advancing and retracting in the axial direction, a distal-end face arranged at a distal-end of the sheath portion and facing the proximal-end face, a specimen collecting portion provided on the proximal-end face and/or the distal-end face, the specimen collecting portion being formed at an acute angle to separate a specimen from a subject, and an edge portion arranged on the proximal-end face or the distal-end face to cross the entire circumference of the specimen collecting portion to cut the specimen. | 08-28-2014 |
20150025315 | TREATMENT INSTRUMENT INSERTION AUXILIARY AND TREATMENT INSTRUMENT INSERTION METHOD - A treatment instrument insertion auxiliary is used to subserve passage of an elongated treatment instrument into a treatment instrument channel by being connected to an endoscope provided with a rigid insertion portion which includes the treatment instrument channel adapted to allow passage of the treatment instrument and a treatment instrument channel opening portion formed at a proximal end of the treatment instrument channel and used to insert the treatment instrument, where the treatment instrument insertion auxiliary includes a receiving portion adapted to suppress vibration of a distal end side of the treatment instrument by being placed in contact with the distal end side of the treatment instrument; and a first guide unit adapted to guide a distal end of the treatment instrument placed in contact with the receiving portion in a central axis direction of the treatment instrument channel opening portion. | 01-22-2015 |
20150038843 | METHOD OF TRANSURETHRAL LOCAL ANESTHESIA - A method of transurethral local anesthesia includes: a step I of inserting a flexible ultrasound endoscope having a treatment instrument channel into a urethra or a urinary bladder; a step II of identifying a region to be anesthetized by ultrasound observation using the ultrasound endoscope; a step III of leading an injection needle out from the treatment instrument channel and injecting an anesthetic drug into the region to be anesthetized while performing ultrasound observation using the ultrasound endoscope; a step IV of extracting the ultrasound endoscope from the urethra; and a step V of inserting, after the step IV, an endoscope and/or a treatment instrument into the urethra or the urinary bladder and performing transurethral treatment. | 02-05-2015 |