Patent application number | Description | Published |
20080208230 | EXPANDABLE ROTATING DEVICE AND METHOD FOR TISSUE ASPIRATION - An apparatus and method for removing tissue and/or other material from a patient includes a shaft and a tissue disrupting mechanism operatively coupled to the shaft. The shaft may be coupled to a handpiece or a robotic or remote-controlled system. The mechanism may comprise a rotatable or other movable element having a distal portion with fixed or adjustable radial dimensions. The mechanism may have one or more tissue cutting, chopping, grinding, emulsifying or disrupting features with an adjustable outer diameter for removing substantial tissues. The apparatus may be configured to urge or draw substantial material into the device upon rotation or other movement of the shaft and/or tissue, and may optionally be coupled to sources of suction or aspiration. A radiofrequency or other energy source is optionally included for tissue ablation or other tissue remodeling effects, and/or to enhance coagulation. | 08-28-2008 |
20090018565 | Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 01-15-2009 |
20090018566 | Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 01-15-2009 |
20090018567 | Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 01-15-2009 |
20090024085 | Atherectomy devices, systems, and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 01-22-2009 |
20090062871 | BALLOON CANNULA SYSTEM FOR ACCESSING AND VISUALIZING SPINE AND RELATED METHODS - Balloon cannula systems may be used for accessing and visualizing the spine and related methods of treatment, including a forward-looking balloon system for creating a working space and the balloon system having atraumatic dissection capability to allow visualization in spine. The devices and methods described may be used, for example, to perform annulus repair, herniated disc excision, and denervation of neurological tissue; to dispense pharmacological agents and/or cell or tissue therapy agents; to diagnose disc degeneration and bony degeneration, spinal stenosis, and nucleus decompression, and to perform disc augmentation. | 03-05-2009 |
20090062872 | BALLOON CANNULA SYSTEM FOR ACCESSING AND VISUALIZING SPINE AND RELATED METHODS - Balloon cannula systems may be used for accessing and visualizing the spine and related methods of treatment, including a forward-looking balloon system for creating a working space and the balloon system having atraumatic dissection capability to allow visualization in spine. The devices and methods described may be used, for example, to perform annulus repair, herniated disc excision, and denervation of neurological tissue; to dispense pharmacological agents and/or cell or tissue therapy agents; to diagnose disc degeneration and bony degeneration, spinal stenosis, and nucleus decompression, and to perform disc augmentation. | 03-05-2009 |
20090216284 | BALLOON CANNULA SYSTEM FOR ACCESSING AND VISUALIZING SPINE AND RELATED METHODS - Balloon cannula systems may be used for accessing and visualizing the spine and related methods of treatment, including a forward-looking balloon system for creating a working space and the balloon system having atraumatic dissection capability to allow visualization in spine. The devices and methods described may be used, for example, to perform annulus repair, herniated disc excision, and denervation of neurological tissue; to dispense pharmacological agents and/or cell or tissue therapy agents; to diagnose disc degeneration and bony degeneration, spinal stenosis, and nucleus decompression, and to perform disc augmentation. | 08-27-2009 |
20090234378 | Atherectomy devices and methods - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 09-17-2009 |
20100076476 | SYSTEMS AND METHODS FOR CABLE-BASED TISSUE REMOVAL - Systems and methods for treating disc herniation include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include flexible elongate members, such as a cable, that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal. | 03-25-2010 |
20100121153 | RETRACTOR CANNULA SYSTEM FOR ACCESSING AND VISUALIZING SPINE AND RELATED METHODS - Retractor cannula systems may be used for accessing and visualizing the spine and related methods of treatment, including a forward-looking retractor cannula system for creating a working space and the retractor cannula system having atraumatic dissection capability to allow visualization in spine. The devices and methods described may be used, for example, to perform annulus repair, herniated disc excision, and denervation of neurological tissue; to dispense pharmacological agents and/or cell or tissue therapy agents; to diagnose disc degeneration and bony degeneration, spinal stenosis, and nucleus decompression, and to perform disc augmentation. | 05-13-2010 |
20100191057 | PENETRATING MEMBER WITH DIRECT VISUALIZATION - Systems and methods for accessing the spine include tissue penetrating members with direct visualization capability that may be used to form an access pathway to a targeted treatment site. The direct visualization capability, which may be provided by fiberoptic illumination and imaging components, may be use to visualize the tissue as the access pathway is formed by the tissue penetrating member. The tissue penetrating members include catheters and cannulas with sharpened tips with integrated fiberoptic components and/or channels in which a fiberscope or miniscope may be inserted. Apertures and/or transparent materials are provided to permit imaging of tissue about the distal end of the tissue penetrating member. | 07-29-2010 |
20110054507 | DEVICES AND METHODS FOR ARCHED ROOF CUTTERS - Disclosed herein are tissue-removal devices and methods for treating spinal diseases using such devices. The tissue-removal devices may comprise a cable and/or extendable elements with a retracted and a deployed configuration. The cable and/or extendable elements may be distally supported and restrained by a support element such that the support element may be pushed transversely away when the extendable element is distally extended into its deployed configuration. An annular cutting element may be provided about the distal end of the extendable element or the support element. Various configurations of the extendable and support elements are described herein, as well as methods of using tissue-removal devices with extendable and support elements coupled by an annular cutting element for treating spinal diseases. | 03-03-2011 |
20110087257 | MINIMALLY INVASIVE DISCECTOMY - Systems and methods for minimally invasive discectomy procedures are described herein. The systems include a bendable flexible cannula may have a straight configuration suitable for insertion and withdrawal into spinal tissue, and a curved configuration suitable for accessing certain areas of a vertebral disc that may be difficult to reach in the straight configuration. A cannula is straightened by inserting a straight stylet therethrough. The straight stylet may have a deflectable region that facilitates its insertion into the cannula. Removal of a straight stylet from a cannula may allow the cannula to assume its curved configuration. The systems may be used with tissue removal devices, and certain variations of tissue removal devices may comprise a collector for aspiration, as well as a travel limiter to restrict inadvertent motions of the tissue removal devices within a vertebral structure. | 04-14-2011 |
20110098531 | DILATOR WITH DIRECT VISUALIZATION - Dilators with a threaded distal portion and direct visualization capability may be used for penetrating and dilating stiff tissues and bones. The threaded portion of a dilator engages the tissue between the insertion site and the target site, and may be rotated for advancing through the target tissue in a more controlled fashion. The direct visualization capability may be used to visualize the ligament as the threaded distal portion passes through the ligamentum flavum. The devices and methods described may be used in procedures, for example, where ligaments surrounding the epidural space need to be dilated in order to deliver one or more surgical instruments into the epidural space. | 04-28-2011 |
20110098711 | DEVICES AND METHODS FOR ARCHED ROOF CUTTERS - Disclosed herein are tissue-removal devices and methods for treating spinal diseases using such devices. The tissue-removal devices may comprise a cable and/or extendable elements with a retracted and a deployed configuration. The cable and/or extendable elements may be distally supported and restrained by a support element such that the support element may be pushed transversely away when the extendable element is distally extended into its deployed configuration. An annular cutting element may be provided about the distal end of the extendable element or the support element. Various configurations of the extendable and support elements are described herein, as well as methods of using tissue-removal devices with extendable and support elements coupled by an annular cutting element for treating spinal diseases. | 04-28-2011 |
20110152906 | Devices, systems, and methods for debulking restenosis of a blood vessel - Devices, systems, and methods are employed to restore patency to arterial lesions, e.g., by debulking restenosis in a blood vessel or within a stent or coil. | 06-23-2011 |
20110152907 | Devices, systems, and methods for performing atherectomy including delivery of a bioactive material - Devices, systems, and methods are employed to perform an atherectomy in an identified region to restore patency to arterial lesions. A bioactive material is introduced into the identified region before, after or during performing the atherectomy. The bioactive material can be introduced, e.g., on a balloon coated with the bioactive material, which is expanded in contact with the identified region to deliver the bioactive material. The bioactive material can be, e.g., at least one of a restenosis-inhibiting agent, a thrombus-inhibiting agent, and an anti-inflammatory agent. | 06-23-2011 |
20110190803 | BLADE DEBRIDER - Systems and methods for treating disc herniation or degeneration, disc degeneration, and vertebral body fracture include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include rotatable blade devices having flow control surfaces that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal. | 08-04-2011 |
20110288553 | METHOD AND DEVICES FOR TREATING SPINAL STENOSIS - Systems and methods for treating spinal stenosis include endoscopic access devices and bone removal devices used to perform a foraminotomy or other bone removal procedures. Some of the bone removal devices include expandable members which may be used to control the forced exerted and/or position of the bone removal mechanism, and to protect neurovascular structures and other soft tissue structures from the bone removal mechanism. Other bone removal devices include a trephine with a viewing window and a guide wire lumen used to position the trephine at a target tissue site using an anchored wire. The viewing window may be used to monitor structures or tissues adjacent to the target tissue site. | 11-24-2011 |
20120016192 | CANNULOTOME - Systems and methods for treating spinal stenosis include endoscopic access devices and bone removal devices used to perform a foraminotomy or other bone removal procedures. A bone removal device includes a cannulotome with an endoscopic imaging lumen. Optionally, an endoscope retaining device can be used to facilitate advancement of the endoscope through the cannulotome. | 01-19-2012 |
20120016260 | RETRACTOR CANNULA SYSTEM FOR ACCESSING AND VISUALIZING SPINE AND RELATED METHODS - Retractor cannula systems may be used for accessing and visualizing the spine and related methods of treatment, including a forward-looking retractor cannula system for creating a working space and the retractor cannula system having atraumatic dissection capability to allow visualization in spine. The devices and methods described may be used, for example, to perform annulus repair, herniated disc excision, and denervation of neurological tissue; to dispense pharmacological agents and/or cell or tissue therapy agents; to diagnose disc degeneration and bony degeneration, spinal stenosis, and nucleus decompression, and to perform disc augmentation. | 01-19-2012 |
20120016400 | SYSTEMS AND METHODS FOR CABLE-BASED TISSUE REMOVAL - Systems and methods for treating disc herniation include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include flexible elongate members, such as a cable, that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal. | 01-19-2012 |
20120022564 | DEVICES AND METHODS FOR ARCHED ROOF CUTTERS - Disclosed herein are tissue-removal devices and methods for treating spinal diseases using such devices. The tissue-removal devices may comprise a cable and/or extendable elements with a retracted and a deployed configuration. The cable and/or extendable elements may be distally supported and restrained by a support element such that the support element may be pushed transversely away when the extendable element is distally extended into its deployed configuration. An annular cutting element may be provided about the distal end of the extendable element or the support element. Various configurations of the extendable and support elements are described herein, as well as methods of using tissue-removal devices with extendable and support elements coupled by an annular cutting element for treating spinal diseases. | 01-26-2012 |
20120035701 | STENT STRUT APPOSITIONER - The teachings provided herein are generally directed to a method, device and system for use in reducing, inhibiting, or correcting a malapposed intraluminal device. An example of such an intraluminal device is a stent and, in some embodiments, the intraluminal device can be any device known to one of skill, the implementation of which might benefit from the teachings provided herein. In some embodiments, the intraluminal device is a cardiac stent. | 02-09-2012 |
20120065659 | HELICAL GROOVE DILATING DEVICE AND RELATED METHODS - Dilators with a threaded distal portion may be used for penetrating and dilating stiff tissues and bones. The threaded portion of a dilator engages the tissue between the insertion site and the target site, and may be rotated for advancing through the target tissue in a more controlled fashion. The devices and methods described may be used in procedures, for example, where ligaments surrounding the epidural space need to be dilated in order to deliver one or more surgical instruments into the epidural space. | 03-15-2012 |
20120071714 | CANNULOTOME - Systems and methods for treating spinal stenosis include endoscopic access devices and bone removal devices used to perform a foraminotomy or other bone removal procedures. A bone removal device includes a cannulotome with an endoscopic imaging lumen. Optionally, an endoscope retaining device can be used to facilitate advancement of the endoscope through the cannulotome. | 03-22-2012 |
20120083810 | ATHERECTOMY DEVICES AND METHODS - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 04-05-2012 |
20130085515 | ATHERECTOMY DEVICES AND METHODS - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 04-04-2013 |
20130096587 | ATHERECTOMY APPARATUS, SYSTEMS AND METHODS - Described here are devices and methods for performing atherectomies. Generally, the atherectomy devices may comprise a handle, a cutter assembly, and a catheter or catheter assembly therebetween. The cutter assembly may include a cutter housing and a cutter comprising a first cutting element and a second cutting element, each of which may be rotated relative to the atherectomy device to cut occlusive material. | 04-18-2013 |
20130317296 | DILATOR WITH DIRECT VISUALIZATION - Dilators with a threaded distal portion and direct visualization capability may be used for penetrating and dilating stiff tissues and bones. The threaded portion of a dilator engages the tissue between the insertion site and the target site, and may be rotated for advancing through the target tissue in a more controlled fashion. The direct visualization capability may be used to visualize the ligament as the threaded distal portion passes through the ligamentum flavum. The devices and methods described may be used in procedures, for example, where ligaments surrounding the epidural space need to be dilated in order to deliver one or more surgical instruments into the epidural space. | 11-28-2013 |
20130317505 | SYSTEMS AND METHODS FOR CABLE-BASED TISSUE REMOVAL - Systems and methods for treating disc herniation include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include flexible elongate members, such as a cable, that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal. | 11-28-2013 |
20140058423 | ATHERECTOMY APPARATUS, SYSTEMS AND METHODS - Described here are devices and methods for performing atherectomies. Generally, the atherectomy devices may comprise a handle, a cutter assembly, and a catheter or catheter assembly therebetween. The cutter assembly may include a cutter housing and a cutter comprising a first cutting element and a second cutting element, each of which may be rotated relative to the atherectomy device to cut occlusive material. | 02-27-2014 |
20140171947 | Systems and Methods for Cable-Based Tissue Removal - Systems and methods for treating disc herniation include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include flexible elongate members, such as a cable, that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal. | 06-19-2014 |
20150057691 | ATHERECTOMY DEVICES AND METHODS - The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens. | 02-26-2015 |