Patent application number | Description | Published |
20080249366 | SYSTEM FOR USE IN PERFORMING A MEDICAL PROCEDURE AND INTRODUCER DEVICE SUITABLE FOR USE IN SAID SYSTEM - A system for performing a medical procedure and an introducer device suitable for use in the system. The system may be used, for example, to examine and/or to treat the uterus. According to one embodiment, the system includes an introducer, a morcellator, a flexible hysteroscope, and a fluid-containing syringe. The introducer is suitable for transcervical insertion into the uterus and includes a gun-shaped housing and a rigid sheath extending distally from the housing. The sheath is shaped to include an instrument lumen, a visualization lumen, and a pair of fluid lumens. The introducer also includes a first assembly within the housing for receiving the morcellator and for guiding the distal end of the morcellator into the instrument lumen and a second assembly within the housing for guiding the hysteroscope into the visualization channel. In addition, the introducer further includes an assembly for fluidly connecting the syringe to the fluid lumens. | 10-09-2008 |
20080249553 | METHOD, SYSTEM AND DEVICE FOR TISSUE REMOVAL - A method and device for tissue removal. The device may be used to remove uterine fibroids and other abnormal gynecological tissue. According to one embodiment, the device includes a housing, an outer tube, and an inner tube. The outer tube is fixed to the housing and includes a side window proximate to its distal end. The side window may have sloped proximal and distal ends. The inner tube has a distal end positioned within the outer tube, the distal end being adapted to rotate and, at the same time, to move back and forth past the side window, with the rotational and translational movement of the inner tube being independently controllable. The distal end of the inner tube may have an external bevel. Suction is applied to the proximal end of the inner tube to draw tissue into the side window and to remove resected tissue through the inner tube. | 10-09-2008 |
20090270812 | ACCESS DEVICE WITH ENHANCED WORKING CHANNEL - Disclosed is a surgical access device for providing at least one auxiliary lumen for the insertion of a surgical instrument or other therapeutic device into a patient's body. The device comprises a first working channel, a second working channel and at least one additional lumen for infusion of a distension media. The surgical access device comprises an outer diameter, and the ratio of the outer diameter to the inside diameter of the working channel is preferably less than about 2.25. | 10-29-2009 |
20090270895 | LOW ADVANCE RATIO, HIGH RECIPROCATION RATE TISSUE REMOVAL DEVICE - Disclosed is a tissue removal device having an outer tube with a resection window and an inner tube disposed within the outer tube. The inner tube is slidable and rotatable relative to the outer tube so that the distal end of the inner tube moves back and forth across the resection window to sever tissue extending therethrough. The inner tube may be driven to rotate at a speed of at least about 1100 rpm, to axially translate at a rate of at least about 1.5 cps, and with an advance ratio of no more than about 0.25. The drive system for controlling axial reciprocation and rotation of the inner tube may be totally mechanical. | 10-29-2009 |
20090270896 | TISSUE CUTTER WITH DIFFERENTIAL HARDNESS - Disclosed is a tubular cutting element for axial reciprocal movement within an outer tubular sleeve. The cutting element has an elongate tubular body, having a proximal end, a distal end and a cutting tip. The tubular body is formed in a drawing operation and the cutting tip is formed in a milling operation. The tubular body may have a Rockwell C hardness of no more than about 40, and the cutting tip may have a Rockwell C hardness of at least about 50. | 10-29-2009 |
20090270897 | METHODS OF HIGH RATE, LOW PROFILE TISSUE REMOVAL - Disclosed are methods and devices for removing tissue from a site in a hollow organ, where the device has a low crossing profile and is capable of removing tissue at a high rate of speed. The device includes an elongate outer tube with a side opening and an inner tube moveably coaxially positioned within the outer tube. Tissue drawn into the side opening can be severed by moving the inner tube across the opening. Tissue may be removed through the device at a rate of at least about 1.4 cc per minute, through a lumen having a cross-sectional area of no greater than about 12.0 | 10-29-2009 |
20090270898 | TISSUE REMOVAL DEVICE WITH HIGH RECIPROCATION RATE - Disclosed is a tissue removal device. The device includes an outer tubular body, an inner tubular body and a cutting edge on the inner tubular body. The outer tubular body includes a window, which may be opened or closed by moving the cutting edge. The cutting edge has a hardness that exceeds the hardness of the material of the inner tube. The cutting edge may have a Rockwell C hardness of at least about 50, while the inner tube has a Rockwell C hardness of no more than about 40. The cutting edge may be formed by a milling step, and the inner tube may be formed by a drawing step. Tissue severed by the cutting edge may be removed at a rate of at least about 1.8 grams per minute through the inner tube, and the outer tubular body may have an outside diameter of no more than about 3.5 mm. | 10-29-2009 |
20100087798 | SYSTEMS, METHODS AND DEVICES FOR USING A FLOWABLE MEDIUM FOR DISTENDING A HOLLOW ORGAN - Systems, methods, apparatus and devices for performing improved gynecologic and urologic procedures using a flowable distension media are disclosed. The system and devices provide simplified use and reduced risk of adverse events. Patient benefit is achieved through improved outcomes, reduced pain, especially peri-procedural pain, and reduced recovery times. The various embodiments enable procedures to be performed outside the hospital setting, such as in a doctor's office or clinic. | 04-08-2010 |
20110034943 | LOW ADVANCE RATIO, HIGH RECIPROCATION RATE TISSUE REMOVAL DEVICE - Disclosed is a tissue removal device having an outer tube with a resection window and an inner tube disposed within the outer tube. The inner tube is slidable and rotatable relative to the outer tube so that the distal end of the inner tube moves back and forth across the resection window to sever tissue extending therethrough. The inner tube may be driven to rotate at a speed of at least about 1100 rpm, to axially translate at a rate of at least about 1.5 cps, and with an advance ratio of no more than about 0.25. The drive system for controlling axial reciprocation and rotation of the inner tube may be totally mechanical. | 02-10-2011 |
20110077674 | TISSUE CUTTER WITH DIFFERENTIAL HARDNESS - Disclosed is a tubular cutting element for axial reciprocal movement within an outer tubular sleeve. The cutting element has an elongate tubular body, having a proximal end, a distal end and a cutting tip. The tubular body is formed in a drawing operation and the cutting tip is formed in a milling operation. The tubular body may have a Rockwell C hardness of no more than about 40, and the cutting tip may have a Rockwell C hardness of at least about 50. | 03-31-2011 |
20110118544 | ACCESS SYSTEM WITH REMOVABLE OUTFLOW CHANNEL - A surgical access device can comprise a working channel providing a first lumen having an axial opening for insertion of a surgical instrument having an outflow channel, the first lumen having a fluid inlet for allowing fluid flow through the working channel and into the body, wherein fluid flows out of the body through the outflow channel of the surgical instrument; and a optical channel providing a second lumen for a visualization element and a light source, wherein the working channel comprises a larger cross-sectional area than the cross-sectional area of the optical channel. The surgical access device can further comprise a seal apparatus coupled to the working channel and configured to receive the surgical instrument, the seal apparatus comprising a first seal portion and a second seal portion, the first seal portion configured to close the fluid path into the seal apparatus, and the second seal portion configured to form a seal with the surgical instrument. | 05-19-2011 |
20120010464 | ACCESS SYSTEM WITH REMOVABLE OUTFLOW CHANNEL - A surgical access device can comprise a working channel providing a first lumen having an axial opening for insertion of a surgical instrument having an outflow channel, the first lumen having a fluid inlet for allowing fluid flow through the working channel and into the body, wherein fluid flows out of the body through the outflow channel of the surgical instrument; and a optical channel providing a second lumen for a visualization element and a light source, wherein the working channel comprises a larger cross-sectional area than the cross-sectional area of the optical channel. The surgical access device can further comprise a seal apparatus coupled to the working channel and configured to receive the surgical instrument, the seal apparatus comprising a first seal portion and a second seal portion, the first seal portion configured to close the fluid path into the seal apparatus, and the second seal portion configured to form a seal with the surgical instrument. | 01-12-2012 |
20120067352 | METHODS, SYSTEMS AND DEVICES FOR PERFORMING GYNECOLOGICAL PROCEDURES - Methods, systems and devices for performing gynecological procedures. According to one embodiment, there is provided a device for occluding a fallopian tube, the device including an outer member and an inner member. The outer member may be a hollow, frusto-conical structure shaped to include an open proximal end, an open distal end, and a side wall. The outer member may be self-expandable such that the distal end is biased radially outwardly. In addition, the side wall may have a porous structure to permit the ingrowth of tissue therethrough. Tines may be provided on the outer surface of the side wall to promote the anchoring of the outer member in a fallopian tube. The inner member, which may be structured to induce scarring, may comprise an elongated fibrous body fixed at its proximal end to the proximal end of the outer member. A bore may extend distally from the proximal end of the inner member to receive a delivery rod. The inner member, which may have pores or interstices to permit the ingrowth of tissue thereinto, is coated or impregnated with a sclerosing agent. | 03-22-2012 |
20120172888 | HYSTEROSCOPIC TISSUE REMOVAL SYSTEM WITH IMPROVED FLUID MANAGEMENT AND/OR MONITORING CAPABILITIES - A hysteroscopic tissue removal system having improved fluid management and/or monitoring capabilities. According to one embodiment, the system includes a hysteroscope and a tissue removal device, the tissue removal device being selectively operable and being removably mounted in an operating channel of the hysteroscope. The system also includes a fluid source and a fluid pump, the fluid pump being coupled to the fluid source and to a fluid input channel of the hysteroscope so as to pump fluid from the fluid source to the fluid input channel, the fluid pump being selectively operable. The system further includes a selectively operable switch, coupled to both the tissue removal device and the fluid pump, for actuating both the tissue removal device and the pump. If desired, a delay mechanism may be interposed between the switch and the tissue removal device to delay operation of the tissue removal device relative to the pump. | 07-05-2012 |