Entries |
Document | Title | Date |
20090093823 | Devices, Systems and Methods Useable for Treating Sinusitis - Sinusitis and other disorders of the ear, nose and throat are diagnosed and/or treated using minimally invasive approaches with flexible or rigid instruments. Various methods and devices are used for remodeling or changing the shape, size or configuration of a sinus ostium or duct or other anatomical structure in the ear, nose or throat; implanting a device, cells or tissues; removing matter from the ear, nose or throat; delivering diagnostic or therapeutic substances or performing other diagnostic or therapeutic procedures. Introducing devices (e.g., guide catheters, tubes, guidewires, elongate probes, other elongate members) may be used to facilitate insertion of working devices (e.g. catheters e.g. balloon catheters, guidewires, tissue cutting or remodeling devices, devices for implanting elements like stents, electrosurgical devices, energy emitting devices, devices for delivering diagnostic or therapeutic agents, substance delivery implants, scopes etc.) into the paranasal sinuses or other structures in the ear, nose or throat. Specific devices (e.g., tubular guides, guidewires, balloon catheters, tubular sheaths) are provided as are methods for manufacturing and using such devices to treat disorders of the ear, nose or throat. | 04-09-2009 |
20090125035 | Surgical Cutting Instrument for Breast Surgery | 05-14-2009 |
20090125036 | DEVICES AND METHODS FOR SELECTIVE SURGICAL REMOVAL OF TISSUE - Methods and apparatus are provided for selective surgical removal of tissue. In one variation, tissue may be ablated, resected, removed, or otherwise remodeled by standard small endoscopic tools delivered into the epidural space through an epidural needle. The sharp tip of the needle in the epidural space, can be converted to a blunt tipped instrument for further safe advancement. The current invention includes specific tools that enable safe tissue modification in the epidural space, including a barrier that separates the area where tissue modification will take place from adjacent vulnerable neural and vascular structures. A nerve stimulator may be provided to reduce a risk of inadvertent neural abrasion. | 05-14-2009 |
20090264897 | Tonsil forceps - A tonsil forceps having first and second intersecting and pivoting arm members, releasable locking members for securing the forceps in multiple positions and sets of inwardly curved, blunt tipped, finger-like tine members, wherein the sets of tine members do not contact each other when the forceps are closed. In at least one of the locked positions, the tips on one set of the finger-like tines do not cross the tips of the other set of finger-like tines. The finger-like tines extend from a palm-like curved portion of each arm member, and inwardly facing non-sharp projection members, such as raised ridges, blunted teeth or the like are located on the interior sides of the palm-like curved portions. The projecting members are non-contacting with each other even in the maximum closed forceps position. | 10-22-2009 |
20090287221 | Tissue Modification Device and Methods of Using the Same - The present disclosure is directed to a device for excising tissue including an outer hollow member having a lumen communicating with a distal opening. The device also includes an elongate member having a longitudinal axis and a distal end, the elongate member being longitudinally movable within the outer hollow member lumen such that the distal end of the elongate member can be moved from a first configuration distal to the outer hollow member distal opening and a second configuration more proximal to the outer hollow member distal opening. Further, the device includes at least one grasping member hingedly disposed about a distal portion of the elongate member along a generally longitudinal axis, wherein movement of the elongate member from the first configuration to the second configuration can cause displacement of the at least one grasping member about the generally longitudinal axis. | 11-19-2009 |
20100049208 | APPARATUS AND METHODS FOR REMOVING LYMPH NODES OR ANCHORING INTO TISSUE DURING A TRANSLUMENAL PROCEDURE - The present embodiments provide apparatus and methods suitable for removing lymph nodes or providing a tissue anchor during a translumenal procedure. In one embodiment, an apparatus suitable for facilitating removal of a lymph node comprises an expandable device including at least one deployable member having contracted and expanded states. The deployable member may be delivered in the contacted state to a location distal to the lymph node using an insertion tool adapted to be disposed beyond the lymph node. In the expanded state, the deployable member comprises a configuration sized to at least partially circumferentially surround and engage the lymph node. In an alternative embodiment, the deployable member may anchor into an outer portion of a visceral wall to promote stabilization of a system during a medical procedure | 02-25-2010 |
20100145352 | HOOD METHOD AND DEVICE FOR ENDOSCOPIC SUBMUCOSAL DISSECTION - A medical device and a method of using such medical device for removing targeted tissue from a body lumen in a patient is presented. The method generally comprises placing the distal end of the device through a natural orifice in the patient to a location that is proximate to the targeted tissue; deploying a T-anchor fastened to a suture strand through the targeted tissue; deploying a loop anchor into the tissue of the body lumen spaced away from the targeted tissue, whereas the suture strand is slidably received by the loop anchor; applying tension to the suture strand; cutting the tissue at a predetermined depth around the periphery of the targeted tissue; and removing the targeted tissue along with the T-anchor from the body lumen. The tension applied to the targeted tissue maintains the targeted tissue in a raised position and/or allows the physician to manipulate the targeted tissue relative to the tissue that is proximate to it. | 06-10-2010 |
20100185208 | MECHANICAL PUMP FOR REMOVAL OF FRAGMENTED MATTER AND METHODS OF MANUFACTURE AND USE - Material transport catheters and methods for their use rely on rotation of an impeller within a catheter body and a clearing element for preventing buildup of materials at the opening of the catheter body. The impeller preferably comprises an inner tube or shaft having a helical rotor formed over an outer surface thereof. The clearing element may comprise a free end of a structure near the distal end of the catheter body for disrupting clot, wherein the free end of the structure extends into the distal opening of the catheter body to break up materials as the impeller is rotated. Alternatively, the clearing element may comprise a cutting member disposed at the distal opening of the catheter body. | 07-22-2010 |
20100262159 | Breast surgery method and apparatus - A surgical apparatus for cutting a tissue mass comprising an elongated housing having a distal portion, a rotatable shaft positioned in the elongated housing, and a plurality of flexible electrocautery cutting blades extending from the housing, wherein the plurality of cutting blades are radially expandable from a first position defining a first diameter to a second larger diameter and the blades are rotatable and transmit electrical energy to cut the tissue mass. | 10-14-2010 |
20100280523 | INSTRUMENT FOR ANORECTAL SURGERY - The present invention provides an instrument for anorectal surgery, comprising a hollow main body, a suture junction disposed at a rear end of the main body and an inserting guider disposed at a front end of the main body. At an operating position, all or part of mucosa and tissues can get through the main body. At least one opening is made in the wall of the main body, and all or part of the mucosa and tissues can get into a hollow interior of the main body through the opening. Because of the openings on the wall of the main body, the present invention can be operated to perform the anorectal surgery of local and non-annular cutting, which facilitates a quick surgical operation, further allays the pain of the patients, and a better operation effect is obtained. | 11-04-2010 |
20100331853 | INTRACORPOREAL GRASPING DEVICE - An intracorporeal grasping device includes a tubular member for entering a lumen of a human body and the tubular member having a distal end portion. An elongated core member is disposed within the interior cavity of the tubular member for rotational or slidable movement within the tubular member and the elongated core member having a proximal end portion and a distal end portion. The elongated core member includes a grasping configuration for capturing an object (e.g., clot or debris) therein. | 12-30-2010 |
20120179164 | Self-Orienting Polypectomy Snare Device - A snare device and methods of making and using the same. The snare device may include a sheath having a proximal end region, a distal end region, and a shaft slidably disposed therein. A handle may be coupled to the shaft and disposed adjacent the proximal end region. The snare device may also include a swivel disposed adjacent the distal end region of the sheath and coupled to the shaft and to a snare loop. | 07-12-2012 |
20130060258 | Endoluminal Surgical Instrument for Stapling, Cutting and Dividing - A device for cutting, stapling and dividing the bowel allowing surgery to be performed laparoscopically and associated method of use. The device is inserted transanally and positioned within the bowel, ligatures secure the bowel to the device. The bowel is then cut by the device while securing the open end to minimize spillage and the bowel stapled. The bowel can be re-attached using additional staples and further cuts made to allow the device to be removed. | 03-07-2013 |
20140031834 | MEDICAL DEVICE AND METHODS - hysteroscopic system includes a hysteroscope having a main body coupled to an extension portion. The extension portion may be a shaft configured to extend transcervically to a patient's uterine cavity. First, second, and third channels extend from the main body to a distal end of the extension portion. A fluid source is coupleable to a proximal end of the first channel, and a pressure sensor is coupleable to a proximal end of the second channel. A tissue resecting probe is configured for introduction through the third channel. At least one resistance feature is included which is configured to provide a selected level of resistance to axial sliding of the probe through the third channel while permitting rotation of the probe within the third channel. | 01-30-2014 |
20140039511 | APPARATUS AND METHOD FOR HEART VALVE REPAIR - A device for transcatheter gathering of tissue of a heart valve leaflet may include an elongated tube extending in a longitudinal direction and a capture tool moveable in the elongated tube between a retracted position and an extended position. The elongated tube may have at least one slot extending generally in the longitudinal direction from a distal end of the elongated tube. The at least one slot may have an open end at the distal end of the elongated tube and a closed end remote therefrom. The capture tool may be operable to gather tissue of the heart valve leaflet into the at least one slot. The gathered tissue may have a pleated configuration. | 02-06-2014 |
20140039512 | Laparoscopic Gallbladder Extraction Device - A surgical instrument for removing a gallbladder is provided. The surgical instrument includes a handle assembly, an elongated body portion extending distally from the handle assembly, and a capture portion operably mounted on a distal end of the elongated body portion. The capture portion defines a tissue receiving opening when in an open configuration and is configured for receipt through an incision when in the capture portion is in a closed configuration. The capture portion includes at least one sharpened member for cutting tissue received within the tissue receiving opening as the capture portion moves from the open configuration to the closed configuration. Also provided is a method of removing a gallbladder using a surgical instrument. | 02-06-2014 |
20140236166 | BIOMARKERS FOR DISTINGUISHING BENIGN, PRE-MALIGNANT, AND MALIGNANT PANCREATIC CYSTS - Methods for prognosis and diagnosis of pancreatic cysts are disclosed. In particular, the invention relates to the use of biomarkers from pancreatic cyst fluid to aid in the diagnosis, prognosis, and treatment of pancreatic cysts. More specifically, differential expression of certain metabolites, including glucose and kynurenine, and the protein, amphiregulin, is used to distinguish benign, pre-malignant, and malignant pancreatic cysts. | 08-21-2014 |
20140276907 | LAPROSCOPIC INSTRUMENT DEPTH STOP - Disclosed is an infinitely adjustable depth stop for a laparoscopic instrument having a shaft, the depth stop including a first component having a first annular space adapted to allow the shaft to be fitted therethrough. The first annular space has a reducible diameter and an interference surface against which the shaft may be fitted. Upon reduction of the reducible diameter, the interference surface frictionally engages the shaft to arrest relative movement of the depth stop along the shaft. The frictional engagement may be along a curve, a spiral curve, or an area. Means are also provided to reopen the reducible diameter to release the depth stop. | 09-18-2014 |
20140324065 | TISSUE RESECTING SYSTEMS AND METHODS - A tissue resecting system includes an assembly having first and second tubular members. An electrical motor drive and controller moves the second member to resect tissue received in a window of the first member. A tachometer sends motor drive rotational signals to the controller, and the controller modulates a motor voltage in response to the signals from the tachometer both to drive the second member at a predetermined speed and to calculate resistance to driving the second member at the predetermined speed. | 10-30-2014 |
20150073429 | SYSTEM FOR MYOMECTOMY AND MORCELLATION - Surgical instruments and surgical systems including the surgical instrument and a morcellator. The surgical instrument includes a tool assembly having an articulating joint and a screw positioned at a distal end of the articulating joint. The articulating joint is configured to articulate a distal portion of the tool assembly at an angle in relation to the longitudinal axis of the surgical instrument. The screw is configured to engage tissue, for example, a myoma in the uterine wall of a patient, and is configured to pitch and roll the tissue to expose cutting planes. The morcellator is configured to engage the tissue to morcellate the tissue and remove the tissue from a patient. | 03-12-2015 |
20150080903 | MEDICAL DEVICES AND SYSTEMS FOR MANIPULATING FOREIGN BODIES AND METHODS OF USING THE SAME - A tool for manipulating a foreign body (e.g., a deployed medical device) can include an operative portion. The operative portion can be used to move the foreign body in the proximal and/or distal directions with respect to the removal/repositioning tool and/or the tissue surrounding the foreign body. In some embodiments, the tool can include a compressing portion that can be used to compress the foreign body as the foreign body is pulled by the operative portion in the proximal direction. The tool can further include a sleeve that can be used to transition the operative portion and/or compressing portion between an opened configuration and a closed configuration. In some embodiments, the tool can be used in conjunction with an endoscope to navigate the tool to the site of a foreign body within the body of a patient. | 03-19-2015 |
20150374400 | EFFICIENT CONTINUOUS FLOW IRRIGATION ENDOSCOPE - A user friendly, safe and efficient continuous flow irrigation endoscope having only a single housing sheath without an inner sheath. The exclusion of the inner sheath increases the effective lumen of the endoscope. A long hollow cylindrical tube, capable of performing a to and fro and rotary motion, is placed inside the housing sheath to function as an endoscopic instrument, but also to serve as a conduit for evacuating waste fluid and detached tissue pieces present inside a tissue cavity. A single inflow port located at the proximal end of the single housing sheath allows the irrigation fluid to enter the tissue cavity via the lumen of the said housing sheath. The invented endoscope system has a single inflow port, a single outflow port, without an inner sheath so that all waste fluid and tissue debris present inside cavity are evacuated via the same single outflow port. No type of feedback mechanism, such as mechanical or electrical feedback mechanism, is incorporated in the endoscope to facilitate the removal of detached tissue pieces or waste fluid. | 12-31-2015 |
20160051282 | METHODS AND SYSTEMS FOR PERFORMING A MEDICAL PROCEDURE - Method and system for treating a patient using a compressible, pressure-attenuating device. According to one embodiment, the system is used to treat urinary tract disorders and comprises an access device, a delivery device, a pressure-attenuating device, and a removal device. The access device may be used to create a passageway to an anatomical structure, such as the patient's bladder. The delivery device may be inserted through the passageway created by the access device and may be used to deliver the pressure-attenuating device to the anatomical structure. The removal device may be inserted through the passageway created by the access device and may be used to view the bladder and/or to capture, to deflate and to remove the pressure-attenuating device. | 02-25-2016 |
20160089127 | MEDICAL RETRIEVAL SYSTEMS AND RELATED METHODS - A medical device may include a stabilizer configured to be coupled to a port of an insertion device. The medical device may further include a shaft configured for telescopic translation within the stabilizer and a grip coupled to the shaft. Further, the medical device may include an actuator coupled to the grip. The actuator may be axially moveable relative to the grip so as to selectively actuate a distal assembly of the medical device. | 03-31-2016 |
20160128707 | METHOD FOR REDUCING BIOFILM FORMATION - A two phase method for reducing the formation of biofilm includes an evacuation of ambient air from a region about the surgical or treatment site, to extract airborne or aerosolized bacteria ejected from the site by the treatment. The extracted bacteria are prevented from settling back onto the cleansed tissue surface, thus at least reducing colonial bacteriological growth and concomitantly exuded biofilm material. A second phase involves the attachment of one or more ultrasonic transducers to the patient over or near a surgical treatment site after the surgery is terminated. Each applied ultrasonic transducer is used to vibrate the patient's tissues at the treatment site to disrupt biofilm formation. | 05-12-2016 |
20160128708 | METHOD FOR REDUCING BIOFILM FORMATION - A two phase method for reducing the formation of biofilm includes an evacuation of ambient air from a region about the surgical or treatment site, to extract airborne or aerosolized bacteria ejected from the site by the treatment. The extracted bacteria are prevented from settling back onto the cleansed tissue surface, thus at least reducing colonial bacteriological growth and concomitantly exuded biofilm material. A second phase involves the attachment of one or more ultrasonic transducers to the patient over or near a surgical treatment site after the surgery is terminated. Each applied ultrasonic transducer is used to vibrate the patient's tissues at the treatment site to disrupt biofilm formation. | 05-12-2016 |
20160143657 | FEATURES FOR COMMUNICATION OF FLUID THROUGH SHAFT ASSEMBLY OF ULTRASONIC SURGICAL INSTRUMENT - A surgical apparatus comprises a body, a shaft assembly, a rotation input assembly, and an end effector. The shaft assembly defines a longitudinal axis and a first fluid passageway. The rotation input assembly is operable to rotate the shaft assembly about the longitudinal axis. The rotation input assembly defines a second fluid passageway. The second fluid passageway is in fluid communication with the first fluid passageway. The end effector is located at a distal end of the shaft assembly. The end effector comprises an ultrasonic blade. The end effector is in fluid communication with the first fluid passageway such that the end effector is configured to receive fluid communicated through the first and second fluid passageways. | 05-26-2016 |
20160192960 | SYSTEM AND METHOD FOR A TISSUE RESECTION MARGIN MEASUREMENT DEVICE | 07-07-2016 |