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Michael S. H. Chu, Brookline US

Michael S. H. Chu, Brookline, MA US

Patent application numberDescriptionPublished
20080221437STEERABLE SNARE FOR USE IN THE COLON AND METHOD FOR THE SAME - An apparatus comprises a snare and an actuator. The snare is formed of a material having an opacity complementary to a predetermined imaging system that is positionable external to a patient. The actuator is configured to steer the snare in response to an image of at least a portion of a colon of the patient. The image is generated by the predetermined imaging system.09-11-2008
20090069628Spacer for sling delivery system - The invention features systems, methods, and devices relating to delivering a sling to an anatomical site in the body of a patient.03-12-2009
20090069824SUTURE PASSER - An apparatus includes an elongate member, an actuator, and a thread member. A portion of the elongate member defines a central axis. The elongate member defines a slot which extends along an axis parallel to the central axis. The actuator is coupled to the elongate member and is accessible through the slot. The actuator is moveable from a first position to a second position different than the first position. The thread member is coupled to the actuator and has a receiving portion. The thread member is moveable from a first position to a second position different than the first position when the actuator is moved from its first position to its second position. A portion of the thread member is disposed within a lumen defined by the elongate member when the thread member is in its first position. At least a portion of the thread member extends from a distal opening defined by the elongate member when the thread member is in its second position.03-12-2009
20090076526Compression, Banding and Percutaneous Airway Ligation of Emphysematous Lung Tissue - A lung volume reduction system includes a percutaneously, laparoscopically or thorocospically insertable delivery element comprising a control end which remains outside the body and an insertion end which, when in an operative position, is adjacent to an external surface of a target portion of a lung and a constriction element deployable from the distal end of the delivery element to apply compressive force to an external surface of the target portion of the lung to constrict at least one airway therein and collapse the target portion of the lung.03-19-2009
20090093672PELVIC IMPLANTS AND DELIVERY DEVICES AND METHODS OF USING THE SAME - An apparatus includes a first arm and a second arm coupled to the first arm. The second arm has a retracted configuration and an extended configuration. The first arm is configured to deposit a first end portion of an implant within a first portion of pelvic tissue when the second arm is in the retracted configuration. The second arm is configured to deposit a second end portion of the implant within a second portion of pelvic tissue on an opposite side of a urethra when in the extended configuration, such that a portion of the implant is positioned substantially beneath the urethra.04-09-2009
20090105743APPARATUS FOR PLACING MEDICAL IMPLANTS - An apparatus includes a carrier configured to be movably disposed within a channel defined by an elongate member. The carrier includes a proximal end portion and a distal end portion. The proximal end portion is configured to be coupled to an actuator. The distal end portion includes a protrusion and an engagement surface. The protrusion has a tip configured to bodily pierce tissue. The protrusion is configured to be received within a lumen defined by a connecting portion of an implant, such as, for example, a pelvic floor implant, such that the tip extends through the lumen defined by the connecting portion of the implant. The engagement surface is configured to engage a portion of the connecting portion of the implant to limit movement of the connecting portion of the implant relative to the protrusion.04-23-2009
20090149935EXPANDABLE STENT - An expandable stent designed to maintain a passageway through a body lumen of a patient is disclosed. The expandable stent is a tubular member that includes a thermoplastic material and woven or wound fibers at least partially in contact with the thermoplastic material, such that the thermoplastic material maintains the tubular member in at least one of an expanded state and a collapsed state.06-11-2009
20090171139DEVICES AND METHODS FOR DELIVERING A PELVIC IMPLANT - An apparatus according to an embodiment of the invention includes an elongate body having a distal end configured to releasably couple the elongate body to a delivery device. A lock tube is movably disposable within a lumen of the elongate body. A connector is disposed at a proximal end of the elongate body and is configured to releasably couple a pelvic implant to the elongate body. The lock tube is configured to be slidably moved to a position adjacent the pelvic implant to secure the pelvic implant to the elongate body. A method according to an embodiment of the invention includes placing a portion of an implant through an opening defined by a dilator. A first elongate body of the dilator is moved relative to a second elongate body of the dilator to secure the implant to the dilator.07-02-2009
20090171140DEVICES AND METHODS FOR DELIVERING FEMALE PELVIC FLOOR IMPLANTS - In one embodiment, an apparatus includes an elongate body that defines a lumen and a suture coupled to the elongate body and at least partially disposed within the lumen. The suture extends at least partially from a proximal end of the elongate body and forms a loop configured to couple a portion of a pelvic implant to the elongate body. In another embodiment, an apparatus includes an elongate body having a distal end configured to releasably couple the elongate body to a delivery device. A tubular member is movably disposed over at least a portion of the elongate body. A coupler is disposed at a proximal end of the elongate body and is configured to releasably couple an implant to the elongate body. The tubular member can be slidably disposed over at least a portion of the implant when the pelvic implant is coupled to the elongate body.07-02-2009
20090171141Anterior Repair - Needle Path and Incision Sites - In one embodiment, a medical device includes a support portion having a first end portion and a second end portion opposite the first end portion. An elongate member extends from the first end portion of the support portion and has a length sufficient to extend from the first end portion of the support portion to a location above a pubic bone when the support portion is disposed between the bladder and a vagina of the patient. An elongate member extends from the second end portion of the support portion and has a length sufficient to extend from the second end portion of the support portion and through an obturator membrane of the patient when the support portion is disposed between the bladder and the vagina of the patient.07-02-2009
20090171142DEVICES AND METHODS FOR TREATING PELVIC FLOOR DYSFUNCTIONS - In one embodiment, an apparatus includes a support portion disposable within a pelvic region and a strap extending from the support portion. The strap has a length and is configured to be disposed at least partially within a pelvic tissue. A sleeve is releasably disposed over at least a portion of the strap. The sleeve has a length that is longer than the length of the strap. In some embodiments, the length of the sleeve is at least twice as long as the length of the strap. In some embodiments, a suture couples the sleeve to the strap. The apparatus can also include a suture disposed at least partially within an interior of the sleeve and forming two strands of suture within the interior of the sleeve. The two strands are separated by a distance defined by a separator portion of the sleeve.07-02-2009
20090171143DEVICES AND METHOD FOR TREATING PELVIC DYSFUNCTIONS - In one embodiment, a method includes securing an implant that includes a pre-formed loop to a vaginal apex. An end of the suture is inserted through a selected portion of a pelvic tissue to dispose at least a portion of the implant within a pelvic region of the patient. The end of the suture is drawn through the loop while simultaneously advancing a uterus to approximate the vaginal apex to the selected portion of pelvic tissue. An apparatus includes an implant and a suture coupled to the implant having a pre-formed loop. configured to receive a portion of a delivery device therethrough. A trocar is coupled to an end of the suture that can be releasably coupled to an end of the delivery device. The trocar can be inserted through a pelvic tissue and drawn through the loop forming a knot to secure the implant to the pelvic tissue.07-02-2009
20090192540SYSTEMS AND METHODS RELATING TO ASSOCIATING A MEDICAL IMPLANT WITH A DELIVERY DEVICE - The present invention provides devices and methods for associating an implantable sling with a delivery device for delivering the sling to an anatomical location in a patient.07-30-2009
20090312772SUTURING INSTRUMENT AND METHOD FOR UTERINE PRESERVATION - A suturing instrument includes an elongate body member, a needle deployment mechanism, and a depth adaptor. The elongate body member includes a distal portion that defines an opening. The needle deployment mechanism is at least partially disposed within the elongate body member and moves the needle out of the suturing instrument and into tissue. The depth adaptor is disposed in the opening at the distal portion of the elongate body member and controls the depth that the needle penetrates into the tissue.12-17-2009
20100234672SYSTEMS, DEVICES AND METHODS FOR TREATING PELVIC FLOOR DISORDERS - Disclosed are single-incision surgical procedures for treatment of urinary incontinence and/or pelvic floor disorders and related uses, devices, kits, and methods. Implants are also disclosed for use in the exemplary procedures. In certain embodiments, soft tissue anchors are used to anchor the surgical implants to obturator membranes of a patient.09-16-2010
20100268018DELIVERY SLEEVE FOR PELVIC FLOOR IMPLANTS - An apparatus includes an implant and a sleeve. The implant has a support portion and a strap extending from the support portion. The support portion is configured to support a portion of a body of a patient. The strap is configured to be inserted into a tissue of the patient. The sleeve has a distal end portion, a proximal end portion and a tapered portion. The tapered portion of the sleeve is configured to dilate the tissue of the patient when the implant is inserted into the body of the patient. The proximal end portion of the sleeve is releasably coupled to the strap.10-21-2010
20100305557HTA Sheath with Removable Scope - An ablation device comprises an elongated introducer sized for insertion into a hollow organ via a natural opening, the introducer extending to a distal end which, when in an operative position, is within the hollow organ, the introducer including and a delivery lumen extending from a proximal end connectable to a source of ablation fluid to a distal delivery opening at the distal end in combination with a working channel extending to a working channel distal opening at the distal end, the working channel being sized and shaped so that, when a flexible instrument to be inserted into the hollow organ is received therein, a space between an outer surface of the flexible instrument and an inner wall of the working channel forms a return lumen extending from the working channel distal opening to a proximal return port and a fluid supply unit coupled to the introducer supplying ablation fluid to the delivery lumen.12-02-2010
20110004050APPARATUS AND METHODS FOR MODULATING THE SIZE OF AN IMPLANTABLE SLING - The invention provides methods and devices for modulating the size of an implantable sling.01-06-2011
20110028779TUBULAR IMPLANTABLE SLING AND RELATED DELIVERY SYSTEMS, METHODS AND DEVICES - The invention generally relates to surgically implantable supportive slings. More specifically, in various embodiments, the invention is directed to systems, devices and methods relating to a surgically implantable supportive sling having an adjustable shape.02-03-2011
20110098526PELVIC FLOOR REPAIR SYSTEM - Systems, method, and devices related to surgically implantable supportive slings are presented herein. More specifically, in various embodiments, the systems, devices and methods relate to a surgically implantable supportive sling adapted to anchor in patient tissue.04-28-2011
20110144422SYSTEMS, METHODS AND DEVICES RELATING TO A REMOVABLE SLEEVE FOR AN IMPLANTABLE SLING - Devices and methods for delivering of a sling assembly and removal of the sleeve at least partially enclosing the sling through a single orifice of incision are disclosed.06-16-2011

Patent applications by Michael S. H. Chu, Brookline, MA US