Entries |
Document | Title | Date |
20080215090 | Method and System for Tissue Fastening - Fastening devices are provided that are designed to effectively close tissue as well as instruments for applying the inventive fastening devices. The devices are useful for closing tissue such as mucosa in the oral cavity, oropharynx, hypopharynx, laryngeal surfaces, oronasopharynx, or other mucosal tissues. In particular, uvulopalatopharyngoplasty (UPPP), uvulopalatal flap (UPF) technique, and tonsillectomy can be assisted using the inventive system. Embodiments also provide methods of using the fastening devices and/or instruments, and kits including the fastening devices. | 09-04-2008 |
20080249564 | Absorbable Surgical Fasteners - The present disclosure provides absorbable surgical fasteners. | 10-09-2008 |
20080249565 | Endovascular Flexible Stapling Device - The present invention concerns a flexible stapling device ( | 10-09-2008 |
20080262541 | BLOOD VESSEL CLOSURE - A stapling arrangement and method for closing a percutaneously formed arteriotomy includes a plurality of staple prongs commonly connected at their proximal ends and having distal ends adapted to engage tissue on opposite sides of the arteriotomy. The prongs have an arrangement of stops configured to present different degrees of resistance to advancement through tissue. | 10-23-2008 |
20080269803 | ARTERIOTOMY STAPLE WITH PRIMARY AND SECONDARY PRONGS - An arteriotomy staple has tissue-engaging prongs arranged in groups each group comprising at least one primary prong and at leas one secondary prong. The secondary prongs are arranged to define a greater transverse span than the primary prongs to provide a back-up for engaging tissue about the arteriotomy in the event that the primary prongs do not work. | 10-30-2008 |
20080281353 | Powered tacker instrument - There is provided a powered tacker device for use in installing multiple surgical fasteners through a prosthetic mesh in into tissue. The powered tacker device generally includes a handle assembly and a tacker assembly extending distally from handle assembly. The handle assembly includes a motor and self-contained power assembly to rotate the surgical fasteners into tissue. The handle assembly is provided with a drive assembly which allows for rotation, as well as distal longitudinal movement, of a surgical fastener relative to the powered tacker device. The tacker assembly includes an inner tube for containing the plurality of surgical fasteners and a driver which is movable out of alignment with the inner tube so as to install a single fastener at a time into tissue. | 11-13-2008 |
20080300626 | ANCHOR SUTURE DEVICE - An apparatus | 12-04-2008 |
20080306509 | Patent Foramen Ovale Closure Device and Method - A device for closure of a patent foramen ovale. The device includes at least one elongated tissue anchor at the distal end of the device. A distal end portion of the tissue anchor is selectively deployable between a closed position in which the distal end portion of the tissue anchor is capable of penetrating the septum and the flap, and a radially extensible position in which the distal end portion of the tissue anchor is capable of engaging the septum or flap so that the septum and flap may be urged into registry. A deployment member is associated with the tissue anchor for selectively deploying the distal end portion of the tissue anchor between the closed position and the radially extensible position. A closure element is disposed at the distal end of the device. The closure element is engageable with the septum and the flap when the septum and flap are in registry, for maintaining such registry. An actuator is associated with the closure element for selectively engaging the closure element with the septum and flap. | 12-11-2008 |
20080312686 | ANTIMICROBIAL CLOSURE ELEMENT AND CLOSURE ELEMENT APPLIER - A closure element is disclosed. The closure element includes a body. The body includes a plurality of tissue engaging portions extending from the body. The body is movable from a compressed state to a deployed state. The body includes a material. Silver or alloys thereof are included as a component of a coating over and/or a mixture with the material of at least a portion of the body. | 12-18-2008 |
20080312687 | SURGICAL FASTENER - A surgical fastener having a backspan, a pair of legs depending from the backspan, and a contact pad on the backspan. At least one of the pair of legs is configured to contact the contact pad to provide an indication of formation thereof. | 12-18-2008 |
20090005807 | Surgical staple having a slidable crown - A surgical staple including a deformable member and a crown, where the deformable member can slide relative to the crown. In at least one embodiment, a staple cartridge can include a cavity and a deck, where the cavity can be configured to receive at least a portion of the deformable member and the crown can be positioned within an opening in the deck. In various embodiments, when soft tissue is captured between an anvil and the staple cartridge, the crown can apply a compressive force or pressure to the soft tissue even before the deformable member is deployed toward the anvil. | 01-01-2009 |
20090005808 | Staple cartridge cavity configuration with cooperative surgical staple - Surgical staples including features which can cooperate with staple cavities in a staple cartridge in order to reduce, or even prevent, the surgical staples from rocking, rotating or tilting, within the staple cavities while the staples are deployed by a staple driver, especially when the staples are oriented at different directions. In various embodiments, the surgical staples can include crowns having arcuate and/or cylindrical features which can cooperate with arcuate and/or cylindrical features of the staple cavities in order to reduce unwanted relative movement, or rotation, between the staples and the staple cavities. | 01-01-2009 |
20090030452 | Circular Stapler Buttress - A buttress for use with circular surgical staplers that does not require adhesive to securely fasten the buttress to the stapler. Following cutting and stapling by the circular stapler, the buttress has an adaptive opening through its central region with a diameter smaller than the outer diameter of the stapler anvil. Because of relief features built into the buttress, the stapler anvil may be pulled through the buttress material without causing permanent alteration to the buttress. These relief features may be provided regardless of whether the buttress is made of inelastic or elastic materials. The buttress is generally circular in shape with an outer diameter sized to coincide with the outer diameter of the stapler body staple compression surface and the outer diameter of the anvil compression surface of a circular stapler with which it is used. Prior to surgical use, the buttress is attached to the stapler with disruptable portions extending from outer perimetal areas of the buttress. | 01-29-2009 |
20090043334 | Circular stapler buttress - A buttress for use with circular surgical staplers that does not require adhesive to securely fasten the buttress to the stapler. Following cutting and stapling by the circular stapler, the buttress has an adaptive opening through its central region with a diameter smaller than the outer diameter of the stapler anvil. Because of relief features built into the buttress, the stapler anvil may be pulled through the buttress material without causing permanent alteration to the buttress. These relief features may be provided regardless of whether the buttress is made of inelastic or elastic materials. The buttress is generally circular in shape with an outer diameter sized to coincide with the outer diameter of the stapler body staple compression surface and the outer diameter of the anvil compression surface of a circular stapler with which it is used. Prior to surgical use, the buttress is attached to the stapler with disruptable portions extending from outer perimetal areas of the buttress. | 02-12-2009 |
20090182374 | Surgical staple - A surgical staple for approximating tissue margins. The staple comprises a male portion which includes a first body, a first attachment portion, a male arm and a projection and a female portion separate from the male portion which includes a second attachment portion and a second body arranged to form an opening therein. The projection and the opening are configured to engage with each other and close a wound opening. The staple can be engaged to hold the tissue at varying tensions. | 07-16-2009 |
20090254121 | Vascular Closure with Multi-Pronged Clip - A medical device for closing an opening in tissue may include a staple including a plurality of tines, where the staple is deformable from an initial configuration to a splayed configuration and then a closed configuration and a shuttle fixed to the staple, where the shuttle includes a weakened area proximal to the shuttle. A method for closing an opening in tissue of a patient with that medical device may include moving the staple to a location in proximity to the opening; plastically deforming the staple to a splayed configuration; penetrating at least one of the tines into tissue in proximity to the opening; plastically deforming the staple to a closed configuration; and fracturing said shuttle at the weakened area, whereby the staple and a fragment of the shuttle fixed to the staple remain in the patient. | 10-08-2009 |
20090259249 | ARTERIOTOMY STAPLING SYSTEM FOR NON-ORTHOGONAL TISSUE TRACKS AND METHODS OF USE THEREIN - A stapling system for closing an arteriotomy includes a staple having four legs and a stapler that accommodates a non-orthogonal angle formed between a percutaneous tissue track and an arteriotomy. The staple is formed from a resilient material and is biased towards a static configuration in which a proximal portion of the staple is generally orthogonal to an imaginary axis of the stapling system. The stapler deforms the staple into a delivery configuration in which the pointed tips of the staple are staggered with respect to the axis of the stapling system. Once the staple is engaged in vessel tissue as desired about the arteriotomy, the staple is released from the stapler and tends to revert back to the static configuration in order to hold the arteriotomy closed. Methods of using the stapling system are also disclosed. | 10-15-2009 |
20090259250 | Endoscopic stapling device, related staples, and methods for use - A material-fastening device and related fastener and methods for use, and more particularly, a device with segments of the fastener capable of being independently attached to different sides of a gap in the material. | 10-15-2009 |
20090264923 | Vascular Puncture Stapling System - A stapling system includes a tissue staple, a mandrel, and a pusher. The staple includes a crown at the proximal end and a plurality of prongs extending distally therefrom about a central axis of the staple. Each prong of the staple includes a tab extending towards the central axis. The mandrel receives the staple along an outer surface thereof. The mandrel includes a proximal groove adapted to receive the tab of the corresponding prong. The proximal groove includes a ramp from a proximal portion of the proximal groove to a distal portion of the proximal groove. The mandrel further includes a distal groove adapted to receive the tabs of the prongs and a distal anvil disposed distally of the distal groove. The pusher is disposed around the mandrel abutting and proximal to crown of the staple. | 10-22-2009 |
20090292311 | Biomaterial for Suturing - A biomaterial for suturing comprising a physiologically compatible support material coated with a cellular population with proliferative and/or differentiation capacity, characteristics which facilitate the regeneration of the sutured tissue. This biomaterial for suturing not only brings together the two edges of an open wound, but also contributes actively to the healing process, thereby accelerating the tissue repair process. Also disclosed are methods for making the biomaterial and methods for using the biomaterials in therapy. | 11-26-2009 |
20090306708 | Mechanically pivoting cartridge channel for surgical instrument - A surgical instrument including a frame, an elongate portion, a drive beam and an end effector is disclosed. The elongate portion extends distally from the frame. The drive beam is disposed at least partially within the elongate portion and is translatable with respect to the elongate portion. The end effector is disposed adjacent a distal end of the elongate portion and includes first and second jaw members. The first jaw member is movable with respect to the second jaw member. The first jaw member includes a proximal camming surface and a distal camming surface thereon. A surgical fastener cartridge is disposed in the first jaw member. an actuation portion of the drive beam has an upper member arranged to contact the distal camming surface causing approximation of the jaw members. Proximal translation of the drive beam causes the actuation portion of the drive beam to contact the proximal camming surface effecting opening of the jaw members. | 12-10-2009 |
20090318957 | EXPANDABLE BACKSPAN STAPLE - A staple having an expandable backspan and a pair of spaced legs is described. The expandable backspan is configured to expand or deform to accommodate tissues of varying thicknesses. In one embodiment, the backspan is non-linear and defines a recess. In another embodiment, the backspan includes a deformable pad or spacer. The amount of deformation of the backspan is proportional to the thickness of the tissue, i.e., the greater the thickness of tissue, the greater the deformation of the backspan. | 12-24-2009 |
20100016888 | Surgical Gasket - A gasket for use with a surgical stapling apparatus is disclosed. The gasket comprises a diisocyanate end-capped poly(ether ester). The diisocyanate is selected from the following: aromatic, aliphatic and acyclic isocyanates. The poly(ether ester) can further comprise at least one polyol and at least one poly acid. The gasket is desirably bioabsorbable. | 01-21-2010 |
20100023052 | STAPLE FOR USE IN SURGICAL PROCEDURES - A staple having a backspan and a first and second leg extending distally from the backspan. Each of the first and second legs includes a bend zone dividing each leg into a traversing leg portion and a linear clenching leg portion. When formed through tissue, each of the clenching leg portions of the first and second legs are formed substantially parallel to the backspan. A staple assembly is also provided including a substantially box staple having a backspan and a first and a second leg extending distally from the backspan. The staple assembly includes a staple plate positionable over the first and second legs. | 01-28-2010 |
20100191282 | Surgical Stapler For Applying A Large Staple Through A Small Delivery Port And A Method of Using The Stapler To Secure A Tissue Fold - A method of deploying a surgical fastener into a patient by introducing the fastener into a body of a patient while the fastener is in a first shape having a first loop with a back span and an original size and shape. The method then involves moving end segments of the fastener away from each other substantially along an entire length thereof while keeping the back span in substantially its original size and shape. The method then involves forming the fastener into a second loop having a width greater than a width of the first loop. | 07-29-2010 |
20100234886 | METHOD FOR SECURING MEDICAL DEVICES TO TREAT OBESITY, GASTRO-ESOPHAGEAL REFLUX DISEASE (GERD) AND IRRITABLE BOWEL SYNDROME (iBS) REVERSIBLY - A medical staple formed from a nitinol wire, the staple having two elongated arms which extend upwardly and outwardly from a central loop in two opposing generally semicircular courses forming an arc extending upwardly and outwardly and an end second comprising a sharpened endpoint, the endpoint being the arms bendable under resistance, is disclosed. In some embodiments the arms extend upwardly on a parallel course and then outwardly. The material is preferably an alloy with hyperelastic characteristics. The staples are placed in a flexible endoscope and a lumen catheter within the endoscope, using a hook or forceps in the lumen catheter having a distal end in the lumen of the catheter and the staple distal to the forceps in folded configuration with the arms folded inward in the lumen catheter, positioning the distal end of the lumen catheter at a location in the patient's gastrointestinal tract where stapling is desired, moving the forceps distally so as to force the staple forward out of the lumen catheter and cause the end points to pierce the patient's inner wall of the gastrointestinal tract. | 09-16-2010 |
20100298870 | ABSORBABLE SURGICAL FASTENERS - The present disclosure provides absorbable surgical fasteners. | 11-25-2010 |
20100312275 | METHODS AND APPARATUS FOR FIXING SHEET-LIKE MATERIALS TO A TARGET TISSUE - A staple for attaching a sheet-like implant to tissue or bone may, include first and second arms, and first and second flukes. In some embodiments, the first arm has a proximal end and a distal end, and the second arm has a proximal end and a distal end. A bridge extends from the proximal end of the first arm to the proximal end of the second arm. The first fluke has a proximal end abutting the distal end of the first arm, and the first fluke extends distally from the first arm. The first fluke has a lateral extent larger than a lateral extent of the first arm and is mounted eccentrically thereto. The first fluke includes a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm to engage the tissue or bone when inserted therein. The second fluke has similar features. This arrangement causes the first and second flukes to rotate in response to a pullout force on the bridge. Methods for attaching a sheet-like implant to a target tissue are also disclosed. | 12-09-2010 |
20100331880 | Self-Sealing Compositions - Medical devices having a wound closure device and a reinforcing material are reacted in situ to create a self-sealing implant. | 12-30-2010 |
20110029015 | Medical Staple And Magazine - There are provided a medical staple realizing smooth feeding when loaded in a magazine and a magazine which can realize stable feeding by using the medical staple. | 02-03-2011 |
20110029016 | Elastic tissue closure with elastic staple - The staple legs with tissue gripping elements are elastically curved. Curvatures of the legs are resiliently straightened and spearheaded by a pair of trocars for puncturing into tissue. While the staple is held stationary by a sleeve, the trocars are withdrawn to allow the legs to resume curvatures, elastically fastening the tissue. | 02-03-2011 |
20110046666 | SURGICAL STAPLE - A surgical staple, comprising a backspan, a first leg member extending from the backspan, a second leg member extending from the backspan, and at least one substantially continuous channel extending along at least one of an inner surface and an outer surface of the first leg member and the second leg member. | 02-24-2011 |
20110060363 | SURGICAL STAPLES HAVING COMPRESSIBLE OR CRUSHABLE MEMBERS FOR SECURING TISSUE THEREIN AND STAPLING INSTRUMENTS FOR DEPLOYING THE SAME - A staple having a crown, a deformable leg extending from the crown, and a spring extending from the crown configured to compress tissue between the spring and the deformable member. Owing to the flexibility of the spring, the staple can accommodate a wide range of tissue thicknesses while still compressing the tissue captured therein. As a result, a single staple design can be used in a wide variety of surgical procedures thereby reducing the amount of staple designs that must be provided to the surgeon. In at least one embodiment, the staple includes a crushable member. This crushable member can include a plastically deformable first portion and an elastically deformable second portion. The present invention can also include, in various embodiments, a crown, a first deformable member extending from the crown, and means for compressing the tissue against the first deformable member. | 03-10-2011 |
20110087276 | METHOD FOR FORMING A STAPLE - A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to an end of the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg. | 04-14-2011 |
20110087277 | Shape Memory Fasteners And Method Of Use - A surgical fastener configured to close an opening in tissue is provided. The surgical fastener includes a base defining a central axis at least one pair of legs extending from the base. Each of the legs includes a base portion and a tissue engaging portion. When in a first position, each of the tissue engaging portions is arranged to define an insertion direction and when in a second position, each of the tissue engaging portions extends inward towards the central axis. The surgical fastener is at least partially formed from a shape memory material including a combination of Polydioxanone and Poly(L-lactide) or a combination of Trimethylene Carbonate and Poly(L-lactide). The pair of legs are configured to move from the first position to the second position upon activation of the shape memory material. | 04-14-2011 |
20110087278 | Surgical Staple And Method Of Use - A surgical staple configured to close an opening in tissue is provided. The surgical staple includes a base including first and second base portions and first and second legs extending from respective first and second base portions. The first and second base portions form a bendable connection therebetween. The staple has a first substantially open position in which the first base portion defines an angle with the second base portion and a second substantially closed position. | 04-14-2011 |
20110087279 | DEVICES AND METHODS FOR APPLYING BOLSTER MATERIALS TO SURGICAL FASTENING APPARATUSES - The present invention provides, in certain aspects, medical systems that are useful for applying bolster material to patient tissue. One such system includes a surgical fastening apparatus that is comprised of a first arm having a first arm working surface; and a cutting element operable along a cutting path. This system also includes at least one piece of bolster material having a portion received in the cutting path, and a retaining element retaining the at least one piece of bolster material in association with the first arm working surface, wherein the retaining element has one or more segments received in the cutting path and includes portions residing between the first arm working surface and the at least one piece of bolster material. The invention also provides medical devices that are useful for applying bolster materials to surgical fastening apparatuses, as well as methods for preparing and using such devices. | 04-14-2011 |
20110106150 | Surgical Method Utilizing a Soft-Tipped Anvil - A surgical method for treating a tissue structure having a wall and a lumen may include providing a substantially rigid anvil and a flexible tip affixed to and extending from the distal end of that anvil; making an incision in the wall of the tissue structure; inserting the flexible tip and at least a portion of the rigid anvil through the incision into the lumen of the tissue structure; and deforming at least one connector, introduced from outside the wall of the tissue structure, against the portion of the rigid anvil located within the lumen of the tissue structure. | 05-05-2011 |
20110137340 | SURGICAL STAPLE - In certain exemplary embodiments, a generally U-shaped surgical staple is provided having a base and a pair of legs extending substantially perpendicularly from opposite ends of the base respectively. The legs in use of the staple are bent through approximately 90° relative to the base. To effect a greater compression of the stapled tissue, the legs can include a penetrative portion adjacent the tip and a compressive structure which, due to its increased height relative to that of the penetrative portion, spreads the compressive forces of the staple further along the length of the incision being closed. The compressive portion also provides a depth stop to avoid the tip penetrating too deeply into the tissue in which it is deployed. | 06-09-2011 |
20110144691 | SURGICAL STAPLE - A generally U-shaped surgical staple comprises a base | 06-16-2011 |
20110172705 | Water-Swellable Copolymers and Articles and Coatings Made Therefrom - The present disclosure relates to compositions comprising a copolymer that includes a first monomer and a second monomer that is different from the first monomer, wherein both the first and second monomer are selected from the group consisting of 3-sulfopropyl acrylate potassium salt, sodium acrylate, N-(tris(hydroxyl methyl)methyl)acrylamide, and 2-acrylamide-2-methyl-1-propane sulfonic acid. The present disclosure further relates to methods for preparing the copolymer compositions and shaped articles comprising the copolymers. | 07-14-2011 |
20110224725 | FLUIDTIGHT PUNCTURING AND OCCLUSION DEVICE FOR ANATOMICAL STRUCTURE - A surgical staple for a surgical stapling device fitted with a substantially flat back that can deform between a closed position and an open penetration position of the staple, and two spaced-apart pin rows. The back comprises two parts that are hinged with respect to each other. The two pin rows are affixed by the base of the pins to these two parts, substantially lying along axes perpendicular to a plane of each of the two parts. In the closed position of the back a free end of the pins of the two rows converge, but when the back is in the open penetration position, the axes of the pins of the two rows tend to align parallel to each other so as to offer minimal resistance to penetration into tissues and the parts of the back bearing the bases of the pins are separated by a gap larger than in the closed position. The staple is particularly designed to be used with a combined device for plugging and fluidtight puncturing of a wall of a hollow organ. | 09-15-2011 |
20120046692 | Adjustable Compression Staple and Method for Stapling with Adjustable Compression - A method for applying and maintaining optimal tissue compression with a staple includes piercing tissue with deformable distal ends of staple legs, each distal end defining a stapling point shaped to pierce material, the two staple legs coupled to each other at base ends thereof by a bridge and together forming a substantially U-shaped staple body. The two staple legs enter the tissue until the tissue applies a compressive force to a compression device disposed at least partly between the two staple legs. The compression device has a compression surface movably disposed between the two staple legs and a compression resistor that is connected to the bridge and to the compression surface and operable to resist movement of the compression surface towards the bridge with a force. The two staple legs are deformed to maintain the compressive force between the tissue and the compression device. | 02-23-2012 |
20120065676 | Water-Swellable Copolymers and Articles and Coatings Made Therefrom - The present disclosure relates to compositions comprising a copolymer that includes a first monomer and a second monomer that is different from the first monomer, wherein both the first and second monomer are selected from the group consisting of 3-sulfopropyl acrylate potassium salt, sodium acrylate, N-(tris(hydroxyl methyl)methyl)acrylamide, and 2-acrylamideo-2-methyl-1-propane sulfonic acid. The present disclosure further relates to methods for preparing the copolymer compositions and shaped articles comprising the copolymers. | 03-15-2012 |
20120083833 | STAPLE CARTRIDGE COMPRISING A RELEASABLE PORTION - A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple-deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened. | 04-05-2012 |
20120083834 | COMPRESSIBLE STAPLE CARTRIDGE COMPRISING ALIGNMENT MEMBERS - A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple-deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened. | 04-05-2012 |
20120083835 | STAPLE CARTRIDGE COMPRISING A TISSUE THICKNESS COMPENSATOR - A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple-deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened. | 04-05-2012 |
20120083836 | STAPLE CARTRIDGE COMPRISING AN ADJUSTABLE DISTAL PORTION - A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple-deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened. | 04-05-2012 |
20120123469 | SURGICAL COILS AND METHODS OF DEPLOYING - Surgical coils for marking, anchoring, stapling and suturing that can be implanted in the body by deforming it to a small cross section profile and then sliding it through a low profile delivery device then deployig from an embodiment of a delivery device at a targeted site. Embodiments of surgical coils when deployed revert back to a coiled configuration and circle tissue at the target site. Can be deployed about attachment members, such as suture lines, marker lines and the like for anchoring same. | 05-17-2012 |
20120203274 | STAPLE FOR USE IN SURGICAL PROCEDURES - A staple is provided having a backspan and a first and second legs extending distally from the backspan. Each of the first and second legs includes a bend dividing each leg into a traversing leg portion and a substantially linear clenching leg portion. A staple plate is positionable over the first and second legs between the backspan and the first and second clenching leg portions. An anvil assembly has first and second movable members which move toward to one another to engage outer surfaces of the first and second clenching leg portions. There is further disclosed a method of forming the staple through tissue. | 08-09-2012 |
20130041406 | SURGICAL STAPLE WITH LOCALIZED ADJUNCT COATING - A medical fastener has a first, pre-deployment shape for loading into a surgical instrument, and a second, post-deployment shape for connecting tissue together, and includes a crown and a pair of legs, each leg substantially transversely extending from a respective end of the crown in the first, pre-deployment shape. A coating, such as a hemostatic agent, is applied to a fastener interior surface defined by interior surfaces of the crown and the pair of legs. | 02-14-2013 |
20130079813 | TISSUE FIXATION DEVICES AND METHODS - In one embodiment, a medical device includes a tissue anchor, and elongate member, a first needle, and a second needle. The tissue anchor has a first arm portion, a second arm portion, and a base portion extending between the first arm portion and the second arm portion. The first needle extends from the elongate member. The first needle defines a lumen configured to receive the anchor member of the first arm portion of the tissue anchor. The second needle extends from the elongate member. The second needle defines a lumen configured to receive the anchor member of the second arm portion of the tissue anchor. | 03-28-2013 |
20130079814 | SURGICAL STAPLING INSTRUMENT WITH STAPLES HAVING CROWN FEATURES FOR INCREASING FORMED STAPLE FOOTPRINT - A staple having a crown, a deformable leg extending from the crown, and a spring extending from the crown configured to compress tissue between the spring and the deformable member. Owing to the flexibility of the spring, the staple can accommodate a wide range of tissue thicknesses while still compressing the tissue captured therein. As a result, a single staple design can be used in a wide variety of surgical procedures thereby reducing the amount of staple designs that must be provided to the surgeon. In at least one embodiment, the staple includes a crushable member. This crushable member can include a plastically deformable first portion and an elastically deformable second portion. The present invention can also include, in various embodiments, a crown, a first deformable member extending from the crown, and means for compressing the tissue against the first deformable member. | 03-28-2013 |
20130144333 | SURGICAL STAPLING APPARATUS HAVING A WOUND CLOSURE MATERIAL APPLICATOR ASSEMBLY - This disclosure relates to surgical stapling apparatus for enhancing one or more properties of body tissue that is or is to be repaired or joined. The apparatus includes a staple anvil, a staple cartridge, a driving member for driving the surgical staples from individual staple slots in the staple cartridge and against the staple anvil, and a wound closure material applicator assembly. The applicator assembly includes at least one conduit extending along at least a length of the driving member, anvil and/or cartridge and at least one reservoir in fluid communication with the at least one conduit, the reservoir containing a wound closure material therein. The staples can be coated with a wound closure material. | 06-06-2013 |
20130172928 | Staple Formed Over the Wire Wound Closure Procedure - An anvil assembly is provided and includes an anvil member having a plurality of staple bending pockets formed in a face of the anvil member and a length of reinforcing material suspended across the staple bending pockets. Longitudinal channels are provided in the face of the anvil member to releasably retain the reinforcing material. The longitudinal channels transect the staple bending pockets and support and suspend the reinforcing material over the staple bending pockets such that a leg of a surgical staple can be bent around the reinforcing material. | 07-04-2013 |
20130172929 | METHOD FOR FORMING A STAPLE - A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg. | 07-04-2013 |
20130226230 | SURGICAL FASTENERS COATED WITH WOUND TREATMENT MATERIALS - The present disclosure relates to surgical fasteners and more particularly to surgical fasteners coated with wound treatment materials. According to an aspect of the present disclosure, a surgical fastener for use in combination with a surgical fastener applying apparatus is provided. The surgical fastener includes a pair of legs; a crown interconnecting the pair of legs; and a wound treatment material coating at least a portion of the legs and crown. | 08-29-2013 |
20130245681 | DEVICES FOR DISPENSING SURGICAL FASTENERS INTO TISSUE WHILE SIMULTANEOUSLY GENERATING EXTERNAL MARKS THAT MIRROR THE NUMBER AND LOCATION OF THE DISPENSED SURGICAL FASTENERS - A device dispenses surgical fasteners inside a body and generates marks outside the body indicating where the surgical fasteners have been dispensed inside the body. The device includes a first member having a surgical fastener dispenser opening, and a second member coupled with the first member, the second member having a distal end that opposes the surgical fastener dispenser opening. The device includes a marking assembly secured to the distal end of the second member. The marking assembly is moveable away from and toward the surgical fastener dispenser opening. The marking assembly is adapted for generating marks on an external surface that mirror the location of each surgical fastener dispensed from the surgical fastener dispenser opening. The device may include a clamp for compressing tissue between the marking assembly and the surgical fastener dispenser. | 09-19-2013 |
20130245682 | METHODS AND APPARATUS FOR FIXING SHEET-LIKE MATERIALS TO A TARGET TISSUE - A staple for attaching a sheet-like implant to tissue or bone may include first and second arms, and first and second flukes. In some embodiments, the first arm has a proximal end and a distal end, and the second arm has a proximal end and a distal end. A bridge extends from the proximal end of the first arm to the proximal end of the second arm. The first fluke has a proximal end abutting the distal end of the first arm, and the first fluke extends distally from the first arm. The first fluke has a lateral extent larger than a lateral extent of the first arm and is mounted eccentrically thereto. The first fluke includes a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm to engage the tissue or bone when inserted therein. The second fluke has similar features. This arrangement causes the first and second flukes to rotate in response to a pullout force on the bridge. Methods for attaching a sheet-like implant to a target tissue are also disclosed. | 09-19-2013 |
20130261661 | SURGICAL STAPLER - A stapling and cutting system for use by a physician in the cutting and stapling together of layers of body tissue. The system includes first and second handles that are pivotally coupled together at a pivot joint located between proximate and distal ends of each of handles. First and second jaws are coupled together and movable between an open and closed position. Mounted on a distal end of the first jaw for positioning on one side of the layers of tissue is a disposable staple cartridge, which includes a plurality of staples. An anvil, mounted on the distal end of the second jaw, is positioned on opposing side of the tissue to be stapled. To manipulate the jaws, a closure mechanism couples the first and second handles to the first and second jaws. The closure mechanism maintains the anvil and the staple cartridge substantially parallel to and opposite from one another when the first and second jaws are in the open position and moved to the closed position. When operated, the staples are discharged from the system and clinched when the first and second jaws are moved into the closed position. | 10-03-2013 |
20130267997 | MECHANICAL METHOD AND APPARATUS FOR BILATERAL TISSUE FASTENING - A mechanical system for bilaterally securing skin tissue preferably utilizes a tissue manipulator apparatus to approximate a portion of an interior surface of each of two pieces of living dermis tissue along a vertical interface below an exterior surface without overlapping either interior surface across the vertical interface. An applicator apparatus includes a driving head portion positioned in the vertical interface and at least partially below the exterior surface and a handle portion positioned at least partially above the exterior surface. The applicator apparatus bilaterally drives at least one portion of the fastener through each piece of the living dermis tissue behind the interior surface of that piece of tissue such that the fastener is positioned below the exterior surface and a portion of the fastener is positioned generally transverse to the vertical interface. | 10-10-2013 |
20130274797 | SURGICAL DEVICE - A surgical device includes a shaft portion coupled to a handle, the handle defining a longitudinal axis. The surgical device also includes a first driver configured to actuate a rotational movement via a first drive shaft and a second driver configured to actuate an articulation movement via a second drive shaft. The surgical device also includes a controller having a first dial and a second dial, the first dial actuated by the first driver and the second dial actuated by the second driver, the second dial positioned within the first dial. | 10-17-2013 |
20130310873 | BUTTRESS AND SURGICAL STAPLING APPARATUS - Multilayer structures including a porous layer and a non-porous layer are useful as buttresses when associated with a surgical stapling apparatus. | 11-21-2013 |
20140012316 | WOUND CLOSURE INVOLVING SILICONE - Apparatus and methods of closing wounds using one or more plates comprising silicone which can be either sutured to the opposing edges of a wound or affixed to the opposing edges of the wound using rigid legs which penetrate tissue adjacent to the wound. The plate is brought into contact with the tissue as the wound is closed such that the plate compresses the tissue during healing. | 01-09-2014 |
20140012317 | ANNULAR SUPPORT STRUCTURES - Reinforcing lumen rings are configured and adapted for use in conjunction with a circular endoscopic stapling instrument having a staple cartridge assembly and an anvil assembly. The reinforcing lumen rings maintain anastomotic lumen, e.g. as formed by the circular endoscopic stapling apparatus, in an open condition. The reinforcing lumen rings can include an annular ring having an outer terminal edge and an inner terminal edge, the outer terminal edge having a diameter which is substantially equal to an outer diameter of the staple cartridge assembly and the inner terminal edge having a diameter which is substantially equal to an inner diameter of the staple cartridge assembly. | 01-09-2014 |
20140025105 | SURGICAL DEVICE - A surgical device including a first jaw and a second jaw is presented. The surgical device also includes a biasing element that biases the distal end of the first jaw towards the distal end of the second jaw. The device also includes a first driver disposed in the second jaw and coupled to the first jaw. The first driver is configured to cause separation of the first jaw and the second jaw. The device further includes at least one of a cutting element and a stapling element disposed within the second jaw, preferably a blade rotatably mounted on a wedge. A second driver is configured to move the cutting element and/or the stapling element proximally from a distal end toward the proximal end of the second jaw to at least one of cut and staple a section of tissue disposed between the first and second jaws. | 01-23-2014 |
20140039550 | STAPLE FOR USE IN SURGICAL PROCEDURES - A staple is provided having a backspan and a first and second legs extending distally from the backspan. Each of the first and second legs includes a bend dividing each leg into a traversing leg portion and a substantially linear clenching leg portion. A staple plate is positionable over the first and second legs between the backspan and the first and second clenching leg portions. An anvil assembly has first and second movable members which move toward to one another to engage outer surfaces of the first and second clenching leg portions. There is further disclosed a method of forming the staple through tissue. | 02-06-2014 |
20140046365 | Methods of Using a Septal Stapler - Methods of stapling a nasal septum using a nasal septal stapling apparatus comprising obtaining a nasal septal stapling apparatus comprising a body, at least one arm extending from the body and comprising an end distal from the body, a staple bank comprising a plurality of staples proximal to the end of the at least one arm, and a staple moving member configured to discharge a staple from the staple bank, and a trigger. The methods comprise placing the at least one arm against a nasal septum of a patient and moving the trigger, wherein moving the trigger causes the staple moving member to discharge a staple from the staple bank and through the nasal septum of the patient. | 02-13-2014 |
20140107698 | GASTRIC TRACTION DEVICE AND METHOD - A surgical clamp or gastric traction device and method for grasping and manipulating the stomach and providing continuous and uniform tension along a predetermined staple line during the serial stapling and stomach transection portions of a laparoscopic gastric sleeve procedure. The clamp typically includes a handle for gripping and manipulating the clamp and the engaged stomach, and a pair of elongated jaws coupled to the handle via a central portion. The pair of elongated jaws include a first jaw member and a second jaw member, and the length of the jaws are substantially equal to the length of a predetermined staple line which spans the stomach from the pyloric area to the area of the Angle of His. In one embodiment, the handle assembly can impart articulating and pivoting motion to the clamp assembly. | 04-17-2014 |
20140135832 | STAPLE TRAP FOR SURGICAL STAPLER - An exemplary staple holder of a surgical stapler may include a cavity defined therein, staples held within that cavity; an upper surface; apertures defined through the upper surface through which staples are deployable, at least one wedge movable within the cavity, and at least one staple trap including a strip and arms extending from and bent relative to the strip, where at least one arm resides in a neutral position directly underneath a corresponding aperture. | 05-15-2014 |
20140142625 | Adjustable Compression Staple and Method for Stapling With Adjustable Compression - A substantially U-shaped staple has a bridge, legs, and an internally disposed compression device with a bias portion having a compression surface movably disposed between the legs and a compression resistor connected to the bridge and to the compression surface and is formed to resist movement of the compression surface towards the bridge with a force. | 05-22-2014 |
20140148848 | Adjustable Compression Staple and Method for Stapling With Adjustable Compression - A method for applying and maintaining compression with a staple includes piercing a material with deformable ends of staple legs. The legs enter the material until the material applies a pre-set compressive force within a pre-defined compression range to a compression device disposed at least partly between the legs. The compression device has a compression resistor connected to a compression surface. The compression surface is movably disposed with respect to the bridge. Movement of the compression surface towards the bridge is resisted with a force imparted by the compression resistor. The legs are deformed to maintain at least some of the compressive force between the material and the compression device. Forces greater than the pre-set force are absorbed with the compression resistor. The pre-set compressive force to the material is maintained within the pre-defined compression range throughout a state change of the material. | 05-29-2014 |
20140180336 | MEDICAL DEVICE FOR PORT CLOSURE - The present invention provides devices for safely closing an opening in tissue. In one embodiment, the medical device includes a delivery tube, a control member and a staple. The delivery tube is elongated and extends from a proximal end to a distal end to define a longitudinal axis. The delivery tube defines a tube lumen, while the control member is elongated and extends through the tube lumen. The staple is releasably attached to the control member adjacent the distal end of the delivery tube. The staple formed of a resilient material having a C-shape, the C-shape including free ends defining first and second tines. The resilient material of the staple is elastically deformable such that the staple may flex to change a distance between the first and second tines. The free ends are spaced apart a first distance in an unbiased state of the staple. | 06-26-2014 |
20140188161 | METHODS AND APPARATUS FOR FIXING SHEET-LIKE MATERIALS TO A TARGET TISSUE - A staple for attaching a sheet-like implant to tissue or bone may include first and second arms, and first and second flukes. In some embodiments, the first arm has a proximal end and a distal end, and the second arm has a proximal end and a distal end. A bridge extends from the proximal end of the first arm to the proximal end of the second arm. The first fluke has a proximal end abutting the distal end of the first arm, and the first fluke extends distally from the first arm. The first fluke has a lateral extent larger than a lateral extent of the first arm and is mounted eccentrically thereto. The first fluke includes a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm to engage the tissue or bone when inserted therein. The second fluke has similar features. This arrangement causes the first and second flukes to rotate in response to a pullout force on the bridge. Methods for attaching a sheet-like implant to a target tissue are also disclosed. | 07-03-2014 |
20140200612 | CLAMPING INSTRUMENT - Embodiments of a clamping instrument are disclosed. In some embodiments, a clamping device with calibrated parameters and a calibration process for the clamping device is presented. A method of calibrating a clamping instrument can include acquiring a data set of clamping torque as a function of tip deflection data for the clamping instrument; determining a torque limit from the data set; and storing the torque limit in the clamping instrument. | 07-17-2014 |
20140236228 | SURGICAL STAPLER - An anvil assembly comprising an anvil shaft and an anvil head, the anvil head having anvil depressions for forming surgical staples. The anvil head is mounted to the anvil shaft and the anvil shaft has a longitudinal axis and first and second spaced apart elongated projections attached to the anvil shaft and extending therefrom. The projections are configured and dimensioned to retain a purse string suture. | 08-21-2014 |
20140288592 | SURFACE TREATED STAPLES, SUTURES AND DENTAL FLOSS AND METHODS OF MANUFACTURING THE SAME - A variety of medical devices including staples sutures and dental floss with surface treatment on at least one tissue-facing surface to improve biologic function such as to control tissue adhesion are disclosed including heparin surface treatment which provides heparin present in an amount to yield heparin bioactivity of at least one of i) an ATIII binding of at least 2 pmol/cm | 09-25-2014 |
20140316459 | Surgical Stapling Device - A surgical stapling device for applying an array of surgical staples to tissue is provided. The stapling device includes an approximation mechanism for moving a cartridge assembly and an anvil assembly between spaced and approximated positions and a firing mechanism for ejecting the array of staples from the cartridge assembly. A single trigger is operable to effect approximation and firing of the device. The device also includes an alignment pin assembly which can be selectively manually or automatically advanced. The anvil assembly includes a stiffener plate which allows the device to have a reduced head portion profile. | 10-23-2014 |
20150018875 | TRUE MULTI-FIRE LINEAR CUTTER - One exemplary surgical apparatus may include an anvil assembly to which a staple holder assembly detachably connected; feeder belts positioned at least partially within the staple holder assembly; staples separably attached to each feeder belt; a wedge assembly slidable within and along the staple holder assembly, the wedge assembly including an engagement feature; and a deployment handle, where, upon closure of the anvil assembly and staple holder assembly relative to one another, the deployment handle engages the engagement feature; where the deployment handle is movable along the anvil assembly to drive the wedge assembly relative to the staple holder assembly, feeder belts and staples in order to deform at least one staple to a closed state and separate at least one closed staple from the corresponding feeder belt. One exemplary surgical method may include providing a surgical stapler having an anvil and a staple holder separably connected to the anvil, where the staple holder holds feeder belts and staples separably connected to each feeder belt; deploying, at least twice, a plurality of staples from the staple holder; and then removing the staple holder from the anvil. | 01-15-2015 |
20150080948 | Ratcheting Mechanism for Surgical Stapling Device - A surgical stapling device comprising a housing, an elongated portion, an end effector, and a movable handle disposed in mechanical cooperation with the housing and movable between a first open position and a second approximated position for affecting a function of the end effector. A ratchet mechanism is disposed in mechanical cooperation with the movable handle and is configured to substantially prevent the movable handle from moving towards its first open position until the movable handle reaches a predetermined position | 03-19-2015 |
20150105823 | SURGICAL STAPLING DEVICE - A surgical device is disclosed which includes a handle portion, a central body portion and a SULU. The SULU includes a proximal body portion, an intermediate pivot member and a tool assembly. The intermediate pivot member is pivotally secured to the proximal body portion about a first pivot axis and the tool assembly is pivotally secured to the intermediate pivot member about a second pivot axis which is orthogonal to the first pivot axis. The SULU includes a plurality of articulation links which are operably connected to the tool assembly by non-rigid links. The articulation links are adapted to releasably engage articulation links positioned in the central body portion. The body portion articulation links are connected to an articulation actuator which is supported for omni-directional movement to effect articulation of the tool assembly about the first and second axes. The handle portion includes a spindle and barrel assembly drive mechanism for advancing and retracting a drive member positioned in the tool assembly. In one embodiment, the tool assembly includes a cartridge assembly having a plurality of staples and an anvil assembly. | 04-16-2015 |
20150119932 | ENDOCUTTER WITH AUTO-FEED BUTTRESS - Surgical apparatus may include a staple holder and a buttress positioned on the upper surface of the staple holder, where the staple holder is configured to fire multiple sets of staples, and where the buttress is advanceable between firings such that the staple holder is configured to deploy multiple sets of staples through the buttress. A surgical method of treating tissue within the body of a patient may include providing an endocutter having a staple holder and having a plurality of staples, where a plurality of but less than all of the staples are arranged in a firing position within the staple holder; engaging tissue of the patient with the staple holder; deploying the plurality of staples in firing position through a buttress and into tissue of the patient; disengaging the end effector from tissue of the patient; moving a plurality of staples into firing position; engaging tissue of the patient with the staple holder; advancing a segment of buttress relative to the staple holder; and repeating the deploying. | 04-30-2015 |
20150127046 | MECHANICAL METHOD AND APPARATUS FOR SEQUENTIAL TISSUE FASTENING - A mechanical system for rotatably, sequentially securing opposing sides of a tissue wound with a fastener. An applicator apparatus is capable of imparting rotatable motion to a falcate tissue penetrator that sequentially pierces and carries a fastener into a first side and a second side of the tissue wound. The first side and second side of tissue can be simultaneously captured and positioned with respect to a tissue definition member or alternatively, the first tissue side and second tissue side can be individually, sequentially captured and positioned relative to the tissue definition member. The applicator apparatus can comprise a single fastener for small tissue wounds or resections or alternatively, the applicator can comprise a plurality of staged fasteners for use in closing a larger wounds or wounds with increased tension. | 05-07-2015 |
20150133995 | HYBRID ADJUNCT MATERIALS FOR USE IN SURGICAL STAPLING - Implantable materials for use with end effectors like surgical stapling devices, and methods associated with the operation of such end effectors, are provided herein. In one exemplary embodiment, a staple cartridge assembly includes a cartridge body and a hybrid adjunct material. The cartridge body has a plurality of staple cavities configured to seat staples therein. The hybrid adjunct material is releasably retained on the cartridge body and configured to be delivered to tissue by deployment of the staples in the cartridge body. The material includes a biologic tissue membrane, a synthetic substrate layer, and at least one compressible elastic member configured to compress when a compressive force is applied thereto, and to provide a spring back force when the compressive force is removed. Other implants, devices, and methods for surgical stapling are also provided. | 05-14-2015 |
20150133996 | POSITIVELY CHARGED IMPLANTABLE MATERIALS AND METHOD OF FORMING THE SAME - Implantable materials for use with end effectors like surgical stapling devices, and methods for using the same, are generally provided. In some embodiments, a staple cartridge assembly for use with a surgical stapler can include a cartridge body having a plurality of staple cavities configured to seat staples therein and an adjunct material being associated with the cartridge such that the adjunct material is configured to be securely coupled to the cartridge body and configured to be securely attached to tissue by staples in the cartridge. The adjunct material can have positively-charged particles such that the adjunct material is configured to enhance healing in the tissue. Other implants, devices, and methods for surgical stapling are also provided. | 05-14-2015 |
20150316431 | END-EFFECTOR FORCE MEASUREMENT DRIVE CIRCUIT - A surgical instrument for applying fasteners includes a drive motor, a replaceable loading unit having an end-effector assembly, and an adapter configured to releasably couple a replaceable loading unit to the drive motor. The adapter includes a strain gauge having a drive circuit coupled thereto. The strain gauge and the drive circuit are configured to directly measure a driving force in the adapter. | 11-05-2015 |
20150327856 | SURGICAL STAPLING DEVICE - A surgical stapling device an elongated body portion having proximal and distal portions, and a head portion positioned adjacent the distal portion of the elongated body portion. The head portion includes a shell assembly and an anvil assembly movable relative to the shell assembly between un-approximated and approximated positions. The anvil assembly includes a center rod and an anvil head connected to the center rod. The center rod includes at least one aperture extending transversely therethrough and configured and dimensioned to receive a flexible member such that the flexible member extends transversely through the center rod. | 11-19-2015 |
20150351753 | Methods and Devices for Reinforcing a Staple Line - Adjunct material and methods of using adjunct material to reinforce a staple line are provided herein. In general, adjunct material can be used to maintain a seal in tissue and prevent stapled tissue from tearing. This adjunct material can be coupled to a jaw of a surgical stapler, and can be deployed into tissue along with the staples. In some embodiments, the adjunct material can be sized and shaped so that a portion of the material extends laterally outside of the staple line and distributes strain to tissue outside of the staple line. In certain aspects, sealant can be applied to the staple line and to the adjunct material in various ways to further seal the tissue and/or prevent leaks from forming in the tissue. | 12-10-2015 |
20150351754 | Woven and Fibrous Materials for Reinforcing a Staple Line - Adjunct materials and methods of using adjunct material to reinforce a staple line are provided. In general, an adjunct material can be used to maintain a seal in tissue and can prevent stapled tissue from tearing. In some embodiments, a surgical stapler can include a jaw having an adjunct material associated with the jaw. The adjunct material can be attached to tissue via staples deployed by the stapler. In some embodiments, an adjunct material can be a woven material having a single layer or multiple layers, and each layer can have different mechanical properties. In other embodiments, an adjunct material can have a single layer or multiple layers of nonwoven material, such as suture compressed into a three dimensional structure. | 12-10-2015 |
20150351758 | ADJUNCT MATERIALS AND METHODS OF USING SAME IN SURGICAL METHODS FOR TISSUE SEALING - Surgical methods involving cutting and sealing tissue include affixing a first adjunct material to tissue at a treatment site, such as by stapling the adjunct to tissue. A second adjunct material is applied to at least a portion of the first adjunct material such that the second adjunct material interacts with the first adjunct material to form a seal in an area of the tissue covered by at least one of the first and the second adjunct material. The resulting tissue sealing structure, which includes a combination of the two adjuncts, is believed to be superior to the sealing properties of either adjunct alone. | 12-10-2015 |
20150351761 | METHODS AND DEVICES FOR SEALING STAPLED TISSUE - Adjunct material and methods of using adjunct material to reinforce a staple line are provided herein. In general, adjunct material can be used to maintain a seal in tissue and prevent stapled tissue from tearing. This adjunct material can be coupled to a jaw of a surgical stapler, and can be deployed into tissue along with the staples. In some embodiments, the adjunct material can be sized and shaped so that a portion of the material extends laterally outside of the staple line and distributes strain to tissue outside of the staple line. In certain aspects, sealant can be applied to the staple line and to the adjunct material in various ways to further seal the tissue and/or prevent leaks from forming in the tissue. | 12-10-2015 |
20150351762 | DEVICES AND METHODS FOR SEALING STAPLES IN TISSUE - Devices and methods for sealing staples in tissue using adjuncts coupled to an individual staple are described herein. In one embodiment, a staple cartridge assembly is described that can include a cartridge body having a plurality of staple cavities, where each staple cavity has a surgical staple disposed therein. The assembly can also include a plurality of adjuncts, where each adjunct is disposed around at least one leg of a surgical staple such that each adjunct forms a seal around the at least one leg of the surgical staple upon deployment of the surgical staple from the cartridge body. | 12-10-2015 |
20150359534 | STAPLING DEVICE AND METHOD - Medical devices and related methods for closing a perforation in a bodily wall are provided. The medical device generally includes an introducer device having a base defining a plurality of recesses formed therein. Visceral staples are disposed within the recesses in a delivery state and are biased toward a deployed state. A holding mechanism retains the staples in the delivery state, and the holding mechanism is moveable relative to the base to allow the staples to extend out of the recesses. The biased nature of the staples will cause them to transition into the deployed state after the staples have been released, such that the staples will thereby pierce adjacent tissue and remain closed. The holding mechanism can be retractable or pivotable out of engagement with the staples. The introducer device can include upper and lower jaws or a slidable cover relative to the base. | 12-17-2015 |
20150374373 | METHOD OF USING LOCKOUT FEATURES FOR SURGICAL STAPLER CARTRIDGE - A surgical instrument comprises a body, shaft, and end effector. The shaft couples the end effector and body together. The end effector comprises an anvil and lower jaw configured to receive a surgical staple cartridge. The anvil is configured to pivot toward and away from the staple cartridge and lower jaw. The shaft assembly comprises a knife member configured to longitudinally translate to thereby substantially simultaneously cut clamped tissue and staple the severed tissue. The end effector may comprise lockout features configure to prevent longitudinal translation of the knife member. The end effector or staple cartridge may comprise lockout bypass features configured to prevent lockout of the knife member. These lockout bypass features may operate to permit longitudinal translation of the knife member once or multiple times. The end effector may comprise features configured to ensure proper alignment of the anvil relative to the staple cartridge. | 12-31-2015 |
20160000429 | METHOD FOR SURGICAL STAPLING - An exemplary surgical method of treating tissue within the body of a patient, may include providing an endocutter having a knife, a staple holder along which the knife is slidable, feeder belts located on each side of the knife, staples having a first size, those staples integral with and breakable from at least one feeder belt, and staples having a second size different from the first size, those staples integral with and breakable from at least one feeder belt; engaging tissue of the patient with the staple holder; deploying at least two staples having a first size; disengaging tissue of the patient from the staple holder; once again engaging tissue of the patient with the same staple holder; and deploying at least two staples having a second size. | 01-07-2016 |
20160007999 | METHODS AND DEVICES FOR PERFORMING A SURGICAL ANASTOMOSIS | 01-14-2016 |
20160030042 | SURGICAL INSTRUMENTS INCLUDING MEMS DEVICES - Surgical instruments are disclosed that are couplable to or have an end effector or a disposable loading unit with an end effector, and at least one micro-electromechanical system (MEMS) device operatively connected to the surgical instrument for at least one of sensing a condition, measuring a parameter and controlling the condition and/or parameter. | 02-04-2016 |
20160051255 | DEPLOYING FASTENERS - Methods for deploying a fastener to close an incision or wound involve exposing the inner surface of each opposing side of the incision and inserting down into the exposed inner surfaces from above the fastener. | 02-25-2016 |
20160058441 | Devices and Methods for Facilitating Ejection of Surgical Fasteners from Cartridges - Devices and methods are provided for stabilizing fasteners post-deployment. Devices and methods are also provided for facilitating ejection of surgical fasteners from a cartridge. Devices and methods are also provided for guiding surgical fasteners. Devices and methods are also provided for facilitating closing and clamping of an end effector of a surgical device. Devices and methods are also provided for securing fasteners and adjunct materials to tissue. Devices and methods are also provided for removably coupling a cartridge to an end effector of a surgical device. Devices and methods are also provided for locking a surgical device based on loading of a fastener cartridge in the surgical device. Devices and methods are provided for adjusting a tissue gap of an end effector of a surgical device. Devices and methods are also provided for manually retracting a drive shaft, drive beam, and associated components. | 03-03-2016 |
20160089137 | METHOD FOR FORMING A STAPLE - A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg. | 03-31-2016 |
20160089142 | METHOD FOR CREATING A FLEXIBLE STAPLE LINE - A method for creating a flexible fastener line is disclosed. The fastener line comprises fasteners oriented in directions which are transverse or oblique to a tissue incision created by a cutting member. The fasteners can translate and/or rotate within the tissue when the tissue is stretched thereby creating flexibility within the tissue. | 03-31-2016 |
20160095592 | MICROCLOSURES AND RELATED METHODS FOR SKIN TREATMENT - The present invention relates to microclosures and methods for treating microwounds in the skin (e.g., after incising or excising tissue portions from a subject). Exemplary microclosures include a material having at least one dimension of from about 10 um to about 1 mm after application to a microwound. The microclosure maintains a first compressive force when applied to the microwound. | 04-07-2016 |
20160100834 | ANNULAR ADHESIVE STRUCTURE - An assembly for joining tissue portions is provided and includes an anvil assembly and a body portion juxtaposed with respect to one another along a shaft and arranged so as to be approximated with respect to one another; and an applicator disposed between the body portion and anvil assembly and configured for retaining a wound treatment material therein. The applicator has channels arranged for dispensing the wound treatment material therefrom onto an interface between the tissue portions. A method of joining the tissue portions is also provided and includes the steps of dispensing the wound treatment material from the applicator so as to distribute wound treatment material onto an interface between a first tissue portion and a second tissue portion; and approximating the anvil assembly and the body portion to one another so that the first and second tissue portions are in contact with one another. | 04-14-2016 |
20160100836 | Devices and Methods for Endoluminal Plication - Devices and methods are provided for forming and securing a tissue plication. More particularly, the devices and methods of the present invention can be used to create multiple tissue folds on an anterior and posterior wall of a stomach cavity to reduce the volume thereof. In one aspect, a method of gastric volume reduction is disclosed that includes advancing a tissue acquisition and fixation device endoscopically into a stomach, manipulating the device to form a first fold of tissue on an interior surface of an anterior wall of the stomach, and manipulating the device to form a second fold of tissue on an interior surface of a posterior wall of the stomach, where the second fold is not attached to the first fold. | 04-14-2016 |
20160106420 | DEVICE, SYSTEM, AND METHOD TO SECURE AN ARTICLE TO A TISSUE - A device for securing an article to a tissue may include a body, transitionable from a deployment state to a securing state, having a first portion, a second portion, and a medial portion therebetween. The first portion and the second portion may each have an end configured to pierce the tissue. The device in the deployment state may have a linearly extended or a U-shaped structure. In the securing state, the first portion may be embedded in the tissue and the medial portion may contact the article. A system for securing the article to the tissue may releasably engage the device while in the deployment state. A method for securing the article may include contacting the article with a tissue surface and releasing the device from the system so that the device, in the securing state, may anchor the article to the tissue. | 04-21-2016 |
20160120542 | MEDICAL IMPLANT DELIVERY SYSTEM AND RELATED METHODS - A fastener delivery tool configured to deliver a fastener into tissue of a patient may comprise a shaft, a handle assembly connected to a proximal end of the shaft, one or more prongs connected to a distal end of the shaft, and a fastener push rod received at least partially within the shaft, wherein the fastener push rod is connected to the handle assembly, wherein the fastener push rod is moveable relative to the shaft, and wherein the fastener push rod includes one or more detents configured to be received within a passageway of a fastener and secure the fastener to the fastener push rod with friction. | 05-05-2016 |
20160128690 | GASTRIC TRACTION DEVICE AND METHOD - A surgical clamp or gastric traction device and method for grasping and manipulating the stomach and providing continuous and uniform tension along a predetermined staple line during the serial stapling and stomach transection portions of a laparoscopic gastric sleeve procedure. The clamp typically includes a handle for gripping and manipulating the clamp and the engaged stomach, and a pair of elongated jaws coupled to the handle via a central portion. The pair of elongated jaws include a first jaw member and a second jaw member, and the length of the jaws are substantially equal to the length of a predetermined staple line which spans the stomach from the pyloric area to the area of the Angle of His. In one embodiment, the handle assembly can impart articulating and pivoting motion to the clamp assembly. | 05-12-2016 |
20160128693 | METHODS AND APPARATUS FOR FIXING SHEET-LIKE MATERIALS TO A TARGET TISSUE - A staple for attaching a sheet-like implant to tissue or bone may include first and second arms, and first and second flukes. In some embodiments, the first arm has a proximal end and a distal end, and the second arm has a proximal end and a distal end. A bridge extends from the proximal end of the first arm to the proximal end of the second arm. The first fluke has a proximal end abutting the distal end of the first arm, and the first fluke extends distally from the first arm. The first fluke has a lateral extent larger than a lateral extent of the first arm and is mounted eccentrically thereto. The first fluke includes a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm to engage the tissue or bone when inserted therein. The second fluke has similar features. This arrangement causes the first and second flukes to rotate in response to a pullout force on the bridge. Methods for attaching a sheet-like implant to a target tissue are also disclosed. | 05-12-2016 |
20160135808 | SHAPE MEMORY COMPRESSION STAPLE - An orthopaedic staple includes a bridge portion having a pair of ends and a staple leg formed from a shape memory material connected to each of the pair of ends. The staple legs have a constrained position where the staple legs are generally parallel to one another and a relaxed position where the staple legs generally converge toward one another. Each of the staple legs has a protruding portion with a maximum leg thickness and a tip, with each of the staple legs increasing in thickness from the tip to the protruding portion. The bridge portion and each of the protruding portions define grasping portions therebetween that are configured to provide resistance to backout of the orthopaedic staple. | 05-19-2016 |
20160151057 | CLOSURE DEVICES, SYSTEMS, AND METHODS | 06-02-2016 |
20160151065 | APPARATUS AND METHOD FOR RESECTIONING GASTRO-ESOPHAGEAL TISSUE | 06-02-2016 |
20160166251 | SURGICAL FASTENERS AND METHODS FOR SEALING WOUNDS | 06-16-2016 |
20160166252 | SHAPE MEMORY FASTENERS AND METHOD OF USE | 06-16-2016 |
20160192927 | CLAM SHELL SURGICAL STAPLING LOADING UNIT | 07-07-2016 |
20160374666 | SURGICAL STAPLER WITH REVERSIBLE MOTOR - A method for resetting an apparatus configured for stapling tissue includes providing the apparatus with a cam member of the apparatus in a fired position. The method further includes changing the polarity of a motor of the apparatus and activating the motor such that the cam member rotates in a second direction from the fired position back to a home position. The apparatus further includes a stapling head assembly and a shaft assembly coupled to the stapling head assembly. The apparatus further includes a body coupled to the shaft assembly. The body comprises a motor and a cam member that is configured to rotate in response to activation of the motor. Rotation of the cam member in a first direction from the home position to the fired position results in actuation of the stapling head assembly. | 12-29-2016 |
20160374672 | METHOD OF APPLYING AN ANNULAR ARRAY OF STAPLES TO TISSUE - A surgical instrument includes a body, a shaft assembly, a stapling head assembly, an anvil, an anvil adjustment assembly, a trigger, and a lockout assembly. The stapling head assembly is operable to drive an annular array of staples. The anvil is configured to couple with the stapling head assembly. The anvil adjustment assembly includes a translating member, which translates relative to the body to thereby adjust the longitudinal position of the anvil relative to the stapling head assembly. The trigger is operable to actuate the stapling head assembly. The lockout assembly includes an electrically powered braking feature. A method of operating the surgical instrument includes providing the lockout assembly in a first state to permit translation of the translating member. The translating member is then translated. The lockout assembly is then transitioned to a second state to prevent further translation of the translating member. | 12-29-2016 |
20160374676 | METHODS AND SYSTEMS FOR DETECTING STAPLE CARTRIDGE MISFIRE OR FAILURE - A method of controlling a surgical stapler system includes transmitting an actuation force to a staple cartridge to actuate a staple firing procedure, the staple cartridge being removably received by a portion of an end effector of a surgical instrument, measuring the transmitted actuation force, and controlling continued transmission of the actuation force based on a comparison of the measured actuation force to a range defined from a minimum threshold actuation force to a maximum threshold actuation force. | 12-29-2016 |
20160374677 | Anvil for Surgical Stapler - An anvil assembly for use therewith a surgical fastener applying apparatus including an anvil plate and an anvil head configured and dimensioned to support the anvil plate. The anvil plate and the anvil head may be formed from different materials. The anvil plate can include a tapered outer side wall allowing the anvil assembly to realize a substantially uniform proximal-most surface upon assembly. | 12-29-2016 |
20220133316 | SURGICAL STAPLER END EFFECTOR SLED HAVING CARTRIDGE BIASING FEATURE - A staple driver actuator for a staple cartridge of a surgical stapler includes a base having at least one bottom surface. The bottom surface defines a plane, and the base defines a longitudinal centerline. The base is configured to slide longitudinally relative to the staple cartridge. The staple driver actuator also includes at least one biasing member. The biasing member is positioned laterally outwardly relative to the longitudinal centerline of the base. The biasing member is configured to exert a biasing force on a portion of the staple cartridge in a direction toward the longitudinal centerline of the base. | 05-05-2022 |