Patent application number | Description | Published |
20110282339 | SURGICAL INSTRUMENTS AND END EFFECTORS THEREFOR - Various forms of surgical instruments are disclosed. In various embodiments, an end effector having operable and closable jaws is attached to a distal end of an elongate shaft such that portions of the jaws are axially offset from the elongate shaft. Other jaw embodiments are coupled to an actuation arrangement that permits portions of the jaws to be moved out of axial alignment with the elongate shaft. Other jaw embodiments are configured to facilitate tissue dissection. Electrosurgical instruments are also disclosed. One embodiment employs a flexible electrode that is conformable to tissue. | 11-17-2011 |
20110306968 | HEAT MANAGEMENT CONFIGURATIONS FOR CONTROLLING HEAT DISSIPATION FROM ELECTROSURGICAL INSTRUMENTS - In various embodiments, a surgical instrument is provided that may comprise an end effector for performing a surgical procedure on tissue, for example. The end effector may comprise at least one energy delivery surface and heat dissipation means for dissipating heat from at least a portion of the end effector. For example, in at least one embodiment, the end effector may comprise a first jaw, a second jaw, and a cutting member. The cutting member may comprise a cutting surface and a body, which may define a cavity and at least one opening communicating with the cavity. A fluid may be moved through the cavity to and/or from the opening(s). Additionally, in at least one embodiment, a surgical instrument's end effector may comprise a first jaw, a second jaw, a cutting member, and at least one heat pipe. Various other heat dissipation means are also disclosed. | 12-15-2011 |
20110306972 | ELECTROSURGICAL INSTRUMENT EMPLOYING A THERMAL MANAGEMENT SYSTEM - An electrosurgical surgical instrument can comprise a handle and an end effector, wherein the end effector can comprise first and second jaws which can be opened and closed in order to capture tissue therebetween. In various embodiments, the first and second jaws can comprise one or more electrodes configured to apply a voltage across the tissue thereby causing current to flow through the tissue and, as a result, generate heat within the tissue. The surgical instrument can further comprise a fluid circulatory system embedded within at least a portion the end effector wherein, in at least one embodiment, the fluid can be dispensed from the fluid circulatory system and onto the jaws of the end effector and/or the tissue positioned between the jaws. | 12-15-2011 |
20120080481 | IMPLANTABLE FASTENER CARTRIDGE HAVING A NON-UNIFORM ARRANGEMENT - A fastener cartridge can comprise a compressible, collapsible, and/or crushable cartridge body and fasteners embedded within the cartridge body 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 the first jaw can be positioned opposite a second jaw, or anvil. The anvil can be engaged with the fastener cartridge to compress, collapse, and/or crush the cartridge body and deform, or otherwise deploy, the fasteners contained therein. As the fasteners are deformed or deployed, the fasteners can capture at least a portion of the cartridge body therein along with at least a portion of the tissue being fastened. In various embodiments, the cartridge body can comprise a thickness which is not uniform thereacross. In at least one embodiment, the fasteners can comprise different unformed heights and/or different formed heights. | 04-05-2012 |
20120238824 | SURGICAL BOWEL RETRACTOR DEVICES - Bowel retractor devices. In various forms, the bowel retractor devices are configurable from a collapsed position wherein the retractor may be inserted through a trocar cannula or other opening in a patient's body to a second expanded position wherein at least a portion of the patient's bowel may be advantageously supported in a desired position. | 09-20-2012 |
20120239075 | RECTAL MANIPULATION DEVICES - Tissue manipulation devices are disclosed. In various forms, the devices include tissue manipulation arms that are arranged in a position suitable to enable the device to be inserted into the colon then, upon application of at least one actuation motion thereto, at least some of the tissue manipulation arms are moved to deployed positions wherein they contact corresponding portions of the colon to thereby expand the colon. Various devices are actuatable by various forms of actuation forces. In various embodiments, the tissue manipulation arms may be movable along corresponding axes that are transverse to an insertion axis and may also be rotated about the insertion axis as well as be moved in directions that are substantially parallel to the insertion axis. | 09-20-2012 |
20120241497 | TISSUE THICKNESS COMPENSATOR COMPRISING A RESERVOIR - In various embodiments, a tissue thickness compensator can comprise a compressible extracellular matrix and a bioabsorbable material dispersed within the extracellular matrix, wherein the bioapsorption of the bioabsorbable material is configured to leave behind channels in the extracellular matrix. The tissue thickness compensator can also comprise generation means for generating the ingrowth of tissue into the channels. In at least one embodiment, the tissue thickness compensator can comprise dissolvable wicking members which, when dissolved, can leave behind channels in the tissue thickness compensator. In certain embodiments, the tissue thickness compensator can comprise at least one rupturable capsule. | 09-27-2012 |
20120241501 | TISSUE THICKNESS COMPENSATOR COMPRISING STRUCTURE TO PRODUCE A RESILIENT LOAD - A fastener cartridge assembly for an end effector of a surgical instrument can comprise a cartridge body, a deformable tube, and a fastener moveable between an initial position and a fired position. The deformable tube can be longitudinally positioned along a length of the cartridge body. When the fastener is moved to the fired position, the fastener can compress a portion of the deformable tube. The deformable tube can comprise a resilient material such that deformation of the deformable tube generates a restoring force. The deformable tube can comprise a lattice of strands woven together to form a tube wall. Further, the deformable tube can be bioabsorbable and can hold a therapeutic agent. The fastener cartridge assembly can comprise multiple, substantially parallel deformable tubes positioned side-by-side and/or within each other. | 09-27-2012 |
20120248169 | METHODS FOR FORMING TISSUE THICKNESS COMPENSATOR ARRANGEMENTS FOR SURGICAL STAPLERS - Tissue thickness compensators for use with surgical staplers that are configured to form staples having different formed heights. Various tissue thickness compensators are disclosed that have non-uniform cross-sectional thicknesses or profiles. The tissue thickness compensators may be formed with a surface that matches a non-planar surface of the anvil or the staple cartridge deck. Methods of forming tissue thickness compensators with non-uniform cross-sectional thicknesses or profiles are also disclosed. | 10-04-2012 |
20120253298 | LAYERED TISSUE THICKNESS COMPENSATOR - A tissue thickness compensator may generally comprise a first layer comprising a first medicament, a second layer comprising a second medicament, and a third layer comprising a third medicament. The tissue thickness compensator may comprise a first layer comprising a first medicament, a second layer comprising a second medicament, and a reservoir comprising a third medicament disposed within the reservoir. The medicaments may be independently selected from a haemostatic agent, an anti-inflammatory agent, an antibiotic agent, anti-microbial agent, an anti-adhesion agent, an anti-coagulant agent, a pharmaceutically active agent, a matrix metalloproteinase inhibitor, and combinations thereof. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. | 10-04-2012 |
20130256368 | TISSUE THICKNESS COMPENSATOR AND METHOD FOR MAKING THE SAME - In various embodiments, a tissue thickness compensator can comprise a film body formed from a continuous extruded shape and, in addition, a fibrous medicament core. | 10-03-2013 |
20140005718 | MULTI-FUNCTIONAL POWERED SURGICAL DEVICE WITH EXTERNAL DISSECTION FEATURES | 01-02-2014 |
20140205637 | TISSUE THICKNESS COMPENSATOR CONFIGURED TO REDISTRIBUTE COMPRESSIVE FORCES - A tissue thickness compensator may generally comprise a compressible core comprising a plurality of movable particles, and a wrap surrounding the compressible core. The plurality of movable particles may comprise at least one medicament. A tissue thickness compensator may generally comprise a compressible core comprising a plurality of crushable particles, and a wrap surrounding the compressible core. The plurality of crushable particles may comprise at least one medicament. The compressible core may comprise a material selected from a group consisting of a biocompatible material. The wrap may comprise a material selected from a group consisting of a biocompatible material. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. | 07-24-2014 |
20150080879 | INTEGRATED SYSTEMS FOR ELECTROSURGICAL STEAM OR SMOKE CONTROL - A medical device includes an end effector configured to apply bipolar energy to target tissue along a working portion thereof and a fluid control system to control the flow of a fluid produced when the end effector applies the bipolar energy to heat the target tissue. The fluid control system includes a fluid path element defining a fluid path, a distal fluid port configured to intake the fluid adjacent to the working portion of an end effector for transport through the fluid path, and a proximal fluid port configured to intake the fluid transported through the fluid path and to exhaust the transported fluid. | 03-19-2015 |
Patent application number | Description | Published |
20100312060 | INTERLOCKING SEAL COMPONENTS - Methods and devices are provided to allow for easy customization of a surgical access device by an end user. In one exemplary embodiment a surgical access device is provided that includes a plurality of elongate seal elements that are configured to form a sealed configuration between a surgical site and an outside environment. The seal elements can be disposed in a surgical opening and can mate directly to each other with the outermost seal elements mating directly to tissue of the opening. The seal elements can include one or more mating elements to provide the desired mating. The seal elements can also include sealable openings that are configured to receive surgical instruments for use at the surgical site. The sealable openings maintain the desired seal throughout the course of a surgical procedure. Exemplary methods for providing custom configurations on location are also provided. | 12-09-2010 |
20110028794 | METHODS AND DEVICES FOR PROVIDING ACCESS INTO A BODY CAVITY - Methods and devices are provided for providing surgical access into a body cavity. In one embodiment, a surgical access device is provided that includes a housing having multiple access ports for receiving surgical instruments, and a retractor removably coupled to the housing and having a working channel configured to extend into a body cavity. With the housing and retractor mated together, a portion of the housing through which instruments can be inserted can rotate relative to the retractor. The retractor can be positioned in tissue using an inserter tool configured to seat the retractor and to automatically release the retractor into position within the tissue. The retractor can be removed from the tissue using a cord coupled to the retractor. | 02-03-2011 |
20150129634 | TISSUE INGROWTH MATERIALS AND METHOD OF USING 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, adjunct materials for use with surgical staplers are provided. For example, a kit for stapling tissue is provided that can include a surgical stapler having an end effector. The end effector can have first and second jaws. The kit can include an adjunct material having hydrophobic surface regions and hydrophilic surface regions and the adjunct material can be configured to mate to at least one of the jaws of the end effector. 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 |
20150134076 | 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. In one exemplary embodiment, a staple cartridge assembly includes a cartridge body and a hybrid adjunct material associated therewith. The hybrid adjunct material can include one or more biologic materials, such as a biologic tissue membrane, and one or more synthetic materials, such as a synthetic absorbable polymer. The synthetic absorbable polymer can be associated with the membrane such that the polymer provides structural integrity to the membrane so that the membrane can be securely coupled to the cartridge body. Both the membrane and the polymer can be configured to be securely attached to the tissue by staples of the cartridge body. Other implants, devices, and methods for surgical stapling are also provided. | 05-14-2015 |
Patent application number | Description | Published |
20110282382 | Fistula Repair Plug Having Multiple Layers - A surgical device is operable to coextrude a multilayered biocompatible tissue repair plug in situ within a lumen in a patient. The device comprises a handle, a shaft extending from the handle, a plurality of conduits extending through the shaft, a plurality of media chambers, and an actuator. At least one of the media chambers contains a suspension of at least one tissue fragment having at least one viable cell in a biocompatible carrier. The actuator is operable to cause media in each of the chambers to be urged through, and expelled from the orifice of, the conduit in communication therewith. The orifices are located at the distal end of the shaft such that media from the media chambers may be ejected into a lumen in a patient in order to form a multilayered biocompatible tissue repair plug in situ. The conduits and their orifices are all coaxially aligned. | 11-17-2011 |
20110282446 | Methods and Apparatus for Delivering Tissue Treatment Compositions to Stapled Tissue - A surgical stapler includes first and second tissue clamping members and a knife member. The first tissue clamping member is configured to receive a plurality of staples. The second tissue clamping member comprises an anvil configured to form the staples. A tissue treatment member is positionable between the first and second tissue clamping members. The tissue treatment member comprises a rupturable pouch or baffle that is configured to receive a medical fluid including at least one tissue cell. The tissue treatment member may have a spiral shape, an annular disc shape, or an elongate sleeve shape. The tissue treatment member may also include outwardly extending tabs. The tissue treatment member may also include an injection port. In use, the staples and/or the knife pierce the tissue treatment member to release at least a portion of the medical fluid held by the tissue treatment member. | 11-17-2011 |
20110295054 | Method of Filling an Intraluminal Reservoir with a Therapeutic Substance - Methods described herein involve introducing a nasogastric tube into a patient, connecting the nasogastric tube with a reservoir, anchoring the nasogastric tube with the nasal cavity, and introducing a substance into the reservoir through the nasogastric tube. | 12-01-2011 |
20110295055 | Methods and Devices For The Rerouting Of Chyme To Induct Intestinal Brake - Methods and devices reroute chyme to induce intestinal brake in order to improve the effectiveness of bariatric surgical procedures and to improve comorbidity resolution. A bowel is manipulated to provide a shortened path for chyme to travel to the ileum. These methods and devices of rerouting chyme to induce intestinal brake may comprise one or more of a surgical procedure, an implanted device, or a combination of an implant with an improved surgical procedure. | 12-01-2011 |
20110295056 | SYSTEMS AND METHODS FOR GASTRIC VOLUME REGULATION - Devices and methods for modifying stomach volume include the formation of intragastric slots for wrapping one or more portions of the fundus therethrough with minimal interference with nerves and vasculature flow. Intragastric space occupying devices expand with environmental changes brought about by natural conditions inherent to the digestive cycle such as with changes in pH. Extragastric volume occupying balloons are placed into folded stomach sections. The balloons are fluidly coupled to external gastric filling devices. In yet another set of embodiments, methods and devices provide adjustable gastric volume reduction fundal wraps. In one embodiment, a device is placed in the fundus for Nissen fundoplication and permits postoperative adjustment to reach desired weight loss. Intragastric and extragastric balloons are optionally incorporated. | 12-01-2011 |
20110295057 | SYSTEMS AND METHODS FOR GASTRIC VOLUME REGULATION - Devices and methods for modifying stomach volume include the formation of intragastric slots for wrapping one or more portions of the fundus therethrough with minimal interference with nerves and vasculature flow. Intragastric space occupying devices expand with environmental changes brought about by natural conditions inherent to the digestive cycle such as with changes in pH. Extragastric volume occupying balloons are placed into folded stomach sections. The balloons are fluidly coupled to external gastric filling devices. In yet another set of embodiments, methods and devices provide adjustable gastric volume reduction fundal wraps. In one embodiment, a device is placed in the fundus for Nissen fundoplication and permits postoperative adjustment to reach desired weight loss. Intragastric and extragastric balloons are optionally incorporated. | 12-01-2011 |
20110295151 | Enteroendocrine Manipulation for Metabolic Effect - L-cells may be introduced in the gastrointestinal tract. L-cells are used in the digestive process to produce a more efficient and lasting means of regulating feelings of satiation in a patient. Desired metabolic effects may be achieved by manipulating L-cells via delivery sites, frequency of delivery, or type of biological substance delivered. | 12-01-2011 |
20110295178 | Intestinal Brake Inducing Intraluminal Therapeutic Substance Eluting Devices and Methods - Methods and devices create an intestinal braking effect, are non-invasive or minimally invasive, and may be reversible. These methods and devices may be accomplished via stabilized implantable systems and ingestible pills. In one aspect, a method of inducing satiety includes implanting an implant within a lumen of a gastrointestinal tract and retaining a portion of chyme that flows by the implant within a body of the implant. The method further involves re-releasing the retained chyme from the implant into the gastrointestinal tract at a predetermined rate slower than a rate caused by natural peristalsis. | 12-01-2011 |
20110295180 | INTESTINAL BRAKE INDUCING INTRALUMINAL THERAPEUTIC SUBSTANCE ELUTING DEVICES AND METHODS - Methods and devices create an intestinal braking effect, are non-invasive or minimally invasive, and may be reversible. These methods and devices are accomplished via stabilized implantable systems, and ingestible pills. In one embodiment, the implantable system comprises a device delivering a therapeutic substance to a target location within the gastrointestinal tract of a patient in order to initiate an intestinal braking effect which would promote sensations of satiety and stimulate excess weight loss for the patient. | 12-01-2011 |
20110295185 | Intestinal Brake Inducing Intraluminal Therapeutic Substance Eluting Devices and Methods - Methods and devices create an intestinal braking effect, are non-invasive or minimally invasive, and may be reversible. These methods and devices are accomplished via stabilized implantable systems and ingestible pills. In one embodiment, a method of producing satiety comprising the steps of accessing a gastrointestinal tract of a patient and implanting an intraintestinal therapeutic substance eluting implant. The implant is capable of eluting a satiety inducing substance selected from at least one of a nutrient, a specific satiety inducing bio-active substance, pancreatic polypeptides, free fatty acids, cholecystokinin, amino acids, glutamine, lipids, linoleic acid, or a combination thereof, from the implant into the gastrointestinal tract. | 12-01-2011 |
20120318842 | TISSUE STAPLER HAVING A THICKNESS COMPENSATOR COMPRISING INCORPORATING A HEMOSTATIC AGENT - A staple cartridge assembly for use with a surgical stapler. The assembly has a cartridge body having a support portion with a plurality of staple cavities with openings. There is also a plurality of staples, wherein at least a portion of each the staple is removably stored within the staple cavity. Each the staple is movable between an unfired position and a fired position, and is deformable between an unfired configuration and a fired configuration. The assembly also includes a compressible tissue thickness compensator configured to be captured within the staples. The compressible tissue thickness compensator at least partially covers the staple cavity openings. The compressed tissue thickness compensator is configured to assume different compressed heights within different the staples. The compressible tissue thickness compensator comprising a lyophilized foam having a hemostatic agent embedded therein. | 12-20-2012 |
20120318844 | TISSUE STAPLER HAVING A THICKNESS COMPENSATOR INCORPORATING AN ANTI-INFLAMMATORY AGENT - A staple cartridge assembly for use with a surgical stapler. The assembly has a cartridge body having a support portion with a plurality of staple cavities with openings. There is also a plurality of staples, wherein at least a portion of each the staple is removably stored within a the staple cavity. Each the staple is movable between an unfired position and a fired position, and is deformable between an unfired configuration and a fired configuration. The assembly also includes a compressible tissue thickness compensator configured to be captured within the staples. The compressible tissue thickness compensator at least partially covers the staple cavity openings. The compressed tissue thickness compensator is configured to assume different compressed heights within different the staples. The compressible tissue thickness compensator comprising a lyophilized foam having a anti-inflammatory agent embedded therein. | 12-20-2012 |
20140155807 | INTESTINAL BRAKE INDUCING INTRALUMINAL THERAPEUTIC SUBSTANCE ELUTING DEVICES AND METHODS - Methods and devices create an intestinal braking effect, are non-invasive or minimally invasive, and may be reversible. These methods and devices are accomplished via stabilized implantable systems, and ingestible pills. In one embodiment, the implantable system comprises a device delivering a therapeutic substance to a target location within the gastrointestinal tract of a patient in order to initiate an intestinal braking effect which would promote sensations of satiety and stimulate excess weight loss for the patient. | 06-05-2014 |
20140158747 | SURGICAL STAPLER WITH VARYING STAPLE WIDTHS ALONG DIFFERENT CIRCUMFERENCES - An apparatus for stapling tissue includes a head assembly, a handle actuator in communication with the head assembly, and a staple cartridge. The head assembly is operable to drive a plurality of staples in response to actuating the handle actuator. The staple cartridge is in communication with the head assembly. The staple cartridge comprises a first annular ring of apertures and a second ring of apertures. The first annular ring of apertures includes apertures having a different size than the second annular ring of apertures, such that the apertures accommodate staples having different crown lengths. The staples may include pledgets that are configured to provide a greater staple footprint. | 06-12-2014 |