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201 results about "Vascular anastomosis" patented technology
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Anastomosis apparatus for use in intraluminally directed vascular anastomosis
InactiveUS6248117B1Surgical needlesSurgical staplesVascular anastomosisMinimally invasive procedures
The present invention relates to new and useful apparatus for use with an intraluminally directed anvil apparatus for intraluminally directed vascular anastomosis of an end of a graft vessel to the wall of a receiving blood vessel that is performed according to a minimally invasive procedure. The intraluminally directed vascular anastomosis does not require the interruption of blood flow in the receiving blood vessel and it is versatile enough to suitably combine a variety of cutting, welding, soldering, sealing, and joining techniques such as stapling. The intraluminally directed anvil apparatus comprises an anvil and a wire used for signaling the optimal anastomosis site; this signaling can be performed when the initial exploration is performed. The intraluminally directed anvil apparatus is typically used with a catheter.
Owner:VITAL ACCESS CORP
Methods and devices for forming vascular anastomoses
Methods and devices for forming an anastomosis utilize a graft vessel secured to a vessel coupling that is fixed to a target vessel without using suture. The vessel coupling may be collapsed for introduction into the target vessel and then expanded to engage the vessel wall. The vessel coupling may be a stent attached to a graft vessel to form a stent-graft assembly. The anastomosis may be carried out to place the graft and target vessels in fluid communication while preserving native proximal flow through the target vessel, which may be a coronary artery. As a result, blood flowing through the coronary artery from the aorta is not blocked by the vessel coupling and thus is free to move past the site of the anastomosis.
Owner:MEDTRONIC INC
Anastomosis instrument and method for performing same
InactiveUS7169158B2Reduce the possibilityReduce slippageSuture equipmentsStaplesVascular anastomosisSurgical department
A tissue retaining ring for use with a plurality of surgical fasteners mounted within a disposable loading unit utilized during a vascular anastomosis inlcudes a genrally circular, semi-pliable material having a series of alternating loops and arcuate portions. Each of the loops defines an aperture therein which is dimensioned to receive a distal end of one of the plurality of surgical fasteners. When the instrument is fired, the surgical fasteners are simultaneously deformed through the tissue ring and through the tissue. The tissue retaining ring holds the tissue in place along the surgical fastener and reduces the chances of tissue slippage after deformation.
Owner:TYCO HEALTHCARE GRP LP
Multi-point tension distribution system device and method of tissue approximation using that device to improve wound healing
A tissue approximation device and processes for using the device are provided. The device is an implantable, biodegradable construct (except for hernia repairs) that has attachment points emanating from a supportive backing. The device improves the mechanical phase of wound healing and evenly distributes tension over the contact area between the device and tissue. Processes for using the device include wound closure, vascular anastomoses, soft tissue attachment and soft tissue to bone attachment.
Owner:OXFORD FINANCE +2
Devices and methods for performing avascular anastomosis
InactiveUS6899718B2Efficient and reliable performanceEfficient executionStaplesNailsVascular anastomosisBlood vessel
Owner:HEARTPORT
Polymer-based tissue-adhesive form medical use
Tissue adhesives formed by reacting poly(hydroxylic) compounds derivatized with acetoacetate groups and / or polyamino compounds derivatized with acetoacetamide groups with an amino-functional crosslinking compound are disclosed. The use of the tissue adhesives for medical and veterinary applications such as topical wound closure; and surgical procedures, such as intestinal anastomosis, vascular anastomosis, tissue repair, and ophthalmic procedures; drug delivery; and anti-adhesive applications are described.
Owner:ACTAMAX SURGICAL MATERIALS
Methods and devices for forming vascular anastomoses
Methods and devices for forming an anastomosis utilize a graft vessel secured to a vessel coupling that is fixed to a target vessel without using suture. The vessel coupling may be collapsed for introduction into the target vessel and then expanded to engage the vessel wall. The vessel coupling may be a stent attached to a graft vessel to form a stent-graft assembly. The anastomosis may be carried out to place the graft and target vessels in fluid communication while preserving native proximal flow through the target vessel, which may be a coronary artery. As a result, blood flowing through the coronary artery from the aorta is not blocked by the vessel coupling and thus is free to move past the site of the anastomosis.
Owner:MEDTRONIC INC
Methods and systems for intraluminally directed vascular anastomosis
InactiveUS6623494B1Easy coaxial installationSurgical needlesStaplesVascular anastomosisMinimally invasive procedures
The present invention relates to new and useful apparatus, systems and methods for providing an effective tool for intraluminally directed vascular anastomosis of a graft vessel to a receiving blood vessel that is performed according to a minimally invasive procedure. The intraluminally directed vascular anastomosis does not require the interruption of blood flow in the receiving blood vessel and it is versatile enough to suitably combine a variety of cutting, welding, soldering, sealing, and joining techniques. The intraluminally directed anvil apparatus comprises an anvil and a wire used for signaling the optimal anastomosis site; this signaling can be performed when the initial exploration is performed. An anastomosis device is used in conjunction with the intraluminally directed anvil apparatus for opening the anastomosis fenestra and joining the anastomosed structures.
Owner:VITAL ACCESS CORP
Methods for anastomosis of a graft vessel to a side of a receiving vessel
InactiveUS7220268B2Minimally invasive anastomosesImprove performanceDiagnosticsSurgical needlesVascular anastomosisMinimally invasive procedures
Owner:VITAL ACCESS CORP
Arrangement and method for vascular anastomosis
A method for implementing vascular anastomosis in the attachment of a graft vessel to a target vessel such as a coronary artery, and subsequently creating a passageway between the vessels in order to establish fluid flow communication therebetween. Further is to the provision of novel devices which are utilized in implementing the steps of attaching a graft vessel to a target vessel such as a coronary artery through vascular anastomosis, and thereafter creating a fluid flow passageway therebetween.
Owner:ETHICON INC
System for performing vascular anastomoses
Systems for anastomosing a first hollow tissue structure to a second hollow tissue structure are disclosed. In an exemplary embodiment, such a system comprises at least one tissue securing member adapted to secure the first and second hollow tissue structures together, and a device for applying the tissue securing member to the tissue structures. The tissue securing member is preferably configured to pass through only one of the tissue structures, and is movable from a first configuration to a second configuration which results in a compressive force being applied to the tissue structures. The systems are particularly useful for performing anastomosis of blood vessels in heart surgery.
Owner:HEARTPORT
Intravascular vessel anastomosis device
InactiveUS20050251180A1Reduce restenosisReduce thrombosisBlood vesselsWound clampsMedicineBlood vessel
An anastomosis device. In one embodiment, the device includes a base member having a first end, a second end, and a body portion with a length defined between the first end and the second end. The body portion is formed with a first edge portion and a second edge portion, where the first edge portion and the second edge portion are apart from each other and defines a recess therebetween and an opening thereof. The device further include a stent member having a substantially tubular body with a longitudinal axis, A, and a lumen defined by the substantially tubular body, and projecting away from the base member such that to form an angle, α, between the base member and the longitudinal axis A of the substantially tubular body, where the lumen of the stent member is in fluid communication with the recess of the base member through the opening.
Owner:VANDERBILT UNIV
Staple and anvil anastomosis system
InactiveUS20060167485A1Minimally invasiveImprove performanceSurgical needlesStaplesVascular anastomosisMinimally invasive procedures
The present invention relates to new and useful apparatus, systems and methods for providing an effective tool for intraluminally directed vascular anastomosis of a graft vessel to a receiving blood vessel that is performed according to a minimally invasive procedure. The intraluminally directed vascular anastomosis does not require the interruption of blood flow in the receiving blood vessel and it is versatile enough to suitably combine a variety of cutting, welding, soldering, sealing, and joining techniques. The intraluminally directed anvil apparatus comprises an anvil and a wire used for signaling the optimal anastomosis site; this signaling can be performed when the initial exploration is performed. An anastomosis device is used in conjunction with the intraluminally directed anvil apparatus for opening the anastomosis fenestra and joining the anastomosed structures.
Owner:VITAL ACCESS CORP
Endovascular delivery system for magnetic compression vascular anastomosis
An endovascular delivery system for forming a magnetic compression vascular anastomosis includes a first compressing element and a first catheter configured for advancement into a first cardiovascular structure. In one configuration, the first compressing element is removably secured within the first catheter and, in another configuration, the first compressing element is released from the first catheter and positioned within the first cardiovascular structure. The endovascular delivery system also includes a second compressing element and a second catheter configured for advancement into a second cardiovascular structure. In one configuration, the second compressing element is removably secured within the second catheter and, in another configuration, the second compressing element is released from the second catheter and positioned within the second cardiovascular structure. The first and second compressing elements have an anastomosis forming configuration in which the compressing elements compress tissue of the first and second cardiovascular structures using magnetic force.
Owner:COOK MEDICAL TECH LLC
Method and Apparatus for Vascular Anastomosis
InactiveUS20120277774A1Easy maintenanceFacilitate securing and affixingStentsWound clampsVeinVascular anastomosis
Methods and apparatus can be used for anastomosis, and more specifically, for joining two vascular vessels, e.g., arterial or venous vessels or the like, using a stent.
Owner:THE BRIGHAM & WOMEN S HOSPITAL INC
Devices and methods for performing a vascular anastomosis
InactiveUS20050096676A1Reduce the amount requiredSpeed up the processStaplesNailsVascular anastomosisVascular anastomosis (procedure)
A system for performing an end-to-side vascular anastomosis including an anastomosis device, an application instrument and methods for performing a vascular anastomosis. The system is applicable for performing an anastomosis between a vascular graft and the ascending aorta in coronary artery bypass surgery, particularly in port-access CABG surgery. A first aspect of the invention includes a vascular anastomosis staple. A first configuration has two parts: an anchor member, forming the attachment with the target vessel wall and a coupling member, forming the attachment with the bypass graft vessel. The anastomosis is completed by inserting the coupling member, with the graft vessel attached, into the anchor member. A second configuration combines the functions of the anchor member and the coupling member into a one-piece anastomosis staple. A second aspect of the invention includes an anastomotic fitting, having an inner flange over which the graft vessel is everted and an outer flange which contacts the exterior surface of the target vessel. A tailored amount of compression applied by the inner and outer flanges grips the target vessel wall and creates a leak-proof seal between the graft vessel and the target vessel. A third aspect of the invention has a flange to which the graft vessel attaches, by everting the graft vessel over the flange, and a plurality of staple-like members which attach the flange and the everted end of the graft vessel to the wall of the target vessel to form the anastomosis
Owner:GIFFORD HANSON S III +5
Aldehyde-functionalized polysaccharides
Novel aldehyde-functionalized polysaccharide compositions are described that are more stable in aqueous solution than oxidized polysaccharides or other types of polysaccharides containing pendant aldehyde groups. The aldehyde-functionalized polysaccharides may be reacted with various amine-containing polymers to form hydrogel tissue adhesives and sealants that may be useful for medical applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures such as intestinal anastomosis and vascular anastomosis, tissue repair, preventing leakage of fluids such as blood, bile, gastrointestinal fluid and cerebrospinal fluid, ophthalmic procedures, drug delivery, and preventing post-surgical adhesions.
Owner:ACTAMAX SURGICAL MATERIALS
Methods for sealing an orifice in tissue using an aldol-crosslinked polymeric hydrogel adhesive
ActiveUS20070048251A1Organic active ingredientsUnsaturated alcohol polymer adhesivesAcetoacetatesVascular anastomosis
Methods for sealing an orifice in tissue in the body of a living animal using an adhesive formed by reacting an oxidized polysaccharide with a poly(hydroxylic) compound derivatized with acetoacetate groups in the presence of a base catalyst are disclosed. Methods for using the adhesive for medical and veterinary applications such as topical wound closure; and surgical procedures, such as intestinal anastomosis, vascular anastomosis, tissue repair, and ophthalmic procedures; and drug delivery are described.
Owner:ACTAMAX SURGICAL MATERIALS
Cuffed grafts for vascular anastomosis
A vascular graft for anastomosis includes a tubular member; and a cuff disposed proximate one end of the tubular member. Another vascular graft for anastomosis includes a tubular member; a side arm disposed on a side of the tubular member, wherein a lumen of the side arm is configured to be in fluid communication with a lumen of the tubular member; and a cuff disposed on the side arm proximate an end distal from the tubular member. A method for vascular anastomosis includes providing a graft device comprising, a tubular member, and a cuff disposed proximate one end of the tubular graft member; and joining the graft device to a target in an end-to-end anastomosis using the cuff of the graft device.
Owner:DE OLIVEIRA DANIEL D
Aldol-crosslinked polymeric hydrogel adhesives
Adhesives formed by reacting an oxidized polysaccharide with a poly(hydroxylic) compound derivatized with acetoacetate groups in the presence of a base catalyst are disclosed. The use of the adhesives for medical and veterinary applications such as topical wound closure; and surgical procedures, such as intestinal anastomosis, vascular anastomosis, tissue repair, and ophthalmic procedures; and drug delivery are described. The adhesive may also be used for industrial and consumer applications.
Owner:ACTAMAX SURGICAL MATERIALS
Sutureless vascular anastomosis connection
Techniques for sutureless vascular anastomosis are described, including an incision seal including a base configured to partially house an outer surface of a main vessel, the base being formed using a material that is configured to be penetrated by a barb disposed on a connector the main vessel being secured to the base when the base is at least partially pierced by the barb, an upper lumen configured to guide a graft vessel, and a housing opening configured to receive the graft vessel.
Owner:ASFORA WILSON THEOPHILO DR +1
Sutureless vascular anastomosis connection
A system is described for performing vascular anastomosis without the use of sutures. The system includes a connector comprised of memory material and an incision seal, The connector has one end configured to securely engage a graft vessel and another end with wings and barbs. The wings are configured to securely engage an inner wall of a main vessel and the barbs are configured to lock with the incision seal, Once locked, the incision seal and the connector apply a clamping force that secures the graft vessel with the main vessel.
Owner:ASFORA IP +1
Method and device for temporary emergency vessel anastomoses
InactiveUS20150011925A1Risk minimizationMaintain hemostasisEar treatmentDiagnosticsFlow diverterVascular structure
A device and method for achieving hemostasis and leakage control in vascular structures and other body ducts or vessels in an emergency room or trauma situation. The device has at least one shunt that contains an obturator on an end of the shunt. The shunt is inserted into a damaged vessel or lumen for sealing the leak or hemorrhage. Two shunts that both contain obturators on one of their ends can be inserted into two different vessels or lumens when the vessel or lumen has been severed. The obturators allow for the improved ease of insertion into the vessel or lumen. The two shunts are then releasably attached to restore fluid communication through the vessel or lumen. The shunt is placed temporarily within the patient and then removed when definitive repair can be achieved by a qualified physician.
Owner:BUCKMAN JR ROBERT F +2
Oxidized cationic polysaccharide-based polymer tissue adhesive for medical use
A tissue adhesive formed by reacting an oxidized cationic polysaccharide containing aldehyde groups and amine groups with a multi-arm amine is described. The oxidized cationic polysaccharide-based polymer tissue adhesive may be useful for medical applications including wound closure, supplementing or replacing sutures or staples in internal surgical procedures such as intestinal anastomosis and vascular anastomosis, ophthalmic procedures, drug delivery, anti-adhesive applications and as a bulking agent to treat urinary incontinence. Additionally, due to the presence of the positively charged amine groups on the oxidized polysaccharide, the polymer tissue adhesive disclosed herein may promote wound healing and blood coagulation, and may possess antimicrobial properties.
Owner:ACTAMAX SURGICAL MATERIALS
System for performing vascular anastomoses
Systems for anastomosing a first hollow tissue structure to a second hollow tissue structure are disclosed. In an exemplary embodiment, such a system comprises at least one tissue securing member adapted to secure the first and second hollow tissue structures together, and a device for applying the tissue securing member to the tissue structures. The tissue securing member is preferably configured to pass through only one of the tissue structures, and is movable from a first configuration to a second configuration which results in a compressive force being applied to the tissue structures. The systems are particularly useful for performing anastomosis of blood vessels in heart surgery.
Owner:BOLDUC LEE R +2
Hydrogel tissue adhesive formed from aminated polysaccharide and aldehyde-functionalized multi-arm polyether
A hydrogel tissue adhesive formed by reacting an aminated polysaccharide with a water-dispersible, aldehyde-functionalized multi-arm polyether is described. The hydrogel tissue adhesive may be useful as a general tissue adhesive and sealant for medical and veterinary applications such as wound closure, supplementing or replacing sutures or staples in internal surgical procedures such as intestinal anastomosis and vascular anastomosis, tissue repair, ophthalmic procedures, drug delivery, and to prevent post-surgical adhesions. Additionally, due to the presence of the aminated polysaccharide, the hydrogel tissue adhesive may also promote wound healing and blood coagulation, and provide antimicrobial properties.
Owner:ACTAMAX SURGICAL MATERIALS
Deployment tool for sutureless vascular anastomosis connection
A tool is described for deploying a sutureless vascular anastomosis connection, including a body, a sheath configured to house a connector, the connector being configured to couple a graft vessel to a main vessel, the sheath being removably coupled to a distal end of the body, a dial disposed on a proximal end of the body, a spring disposed within the body and coupled to the dial, a shaft extending from the distal end of the body into the sheath, the shaft having a shaft cannula, a plunger having a plunger head configured to be coupled with the spring at one end, the plunger coupled to the shaft at an opposite end, and a retractable needle coupled to the dial using a retraction mechanism, the retractable needle configured to fit within the shaft cannula, the retractable needle having a sharp end.
Owner:ASFORA IP
Protein-based polymer tissue adhesives for medical use
ActiveUS20060115531A1Avoid stickingPowder deliveryOrganic active ingredientsVascular anastomosisTissue repair
Tissue adhesives formed by crosslinking albumin and / or gelatin with certain polyamines and / or polycarboxylates using a water-soluble carbodiimide are disclosed. The use of the tissue adhesives for medical and veterinary applications such as topical wound closure; and surgical procedures, such as intestinal anastomosis, vascular anastomosis, tissue repair, and ophthalmic procedures; drug delivery; anti-adhesive applications; and as a bulking agent to treat urinary incontinence are described.
Owner:ACTAMAX SURGICAL MATERIALS
Preparation method for quick-dissolving support for microtraumatic quick vascular anastomosis technique
InactiveCN1328853AHigh mechanical strengthIncreased mechanical strength, increased dissolution time in useSuture equipmentsPorosityVascular anastomosis
A preparation method of the invented quick-soluble scaffold for anastomosis of blood vessel includes the following steps: firstly, preparing double-distilled water solution by using dissolvable polymer, heating the above-mentioned solution, quickly stirring and adding physiological salt powder to form ropy compound, using mould to extrude or draw the said compound to make it into claviform or hollow tube which is identical to vassel of human body in diameter so as to obtain the invented soluble scaffold material. This blood vessel scaffold possesses micrometer level porosity in structure, after it is compounded with physiological salt crystal, its mechanical strength is increased, in the course of application, it features proper dissolving time, smooth surface, good elasticity and does not damage endangium, and it is non-toxic, and has no residual. It is quick in anastomosis speed, simple and easy to implement.
Owner:GENERAL HOSPITAL OF PLA +1
Vascular anastomosis systems
InactiveUS20060064119A9Improve deployabilityReduce accessStaplesSurgical pincettesVascular anastomosisRadiology
Owner:CONVERGE MEDICAL
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