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Assignee: Corvita Corporation


Location: Miami, FL
No. of patents: 47

1    
NumberTitleIssue Date
6348066Modular endoluminal stent-grafts and methods for their use
Modular endoluminal stent-grafts include at least two different sized stent-grafts which are deployed one within the other. According to one embodiment of the invention, a first stent-graft is provided having a flared end which is expandable to a first di...
02/19/2002
6309413Expandable supportive endoluminal grafts
An endoluminal graft which is both expandable and supportive is provided either in a longitudinal form or in a bifurcated form. The graft expands between a first diameter and a second, larger diameter. The support component is an expandable stent endopros...
10/30/2001
6273895Method of measuring a body cavity
An apparatus and method are disclosed for measuring the desired length of a prosthetic device which is to be implanted in a body cavity of a patient. The apparatus generally includes a helically coiled stent formed of a resiliently-deformable material, a ...
08/14/2001
6254633Delivery device for a medical device having a constricted region
A delivery device for delivering an implantable, radially expandable medical device having a constricted region for occluding fluid flow to a desired location in a body lumen. The delivery device includes an outer sleeve, an inner tube terminating at its ...
07/03/2001
6165212Expandable supportive endoluminal grafts
An endoluminal graft which is both expandable and supportive is provided either in a longitudinal form or in a bifurcated form. The graft expands between a first diameter and a second, larger diameter. The support component is an expandable stent endopros...
12/26/2000
6102939Method of implanting biostable elastomeric polymers having quaternary carbons
An article of manufacture and method of making and implanting the article made of a polyolefin star or linear copolymer are disclosed in which the polyolefin copolymer is biostable and crack-resistant when implanted in vivo. The polyolefin copolymer is th...
08/15/2000
5948018Expandable supportive endoluminal grafts
An endoluminal graft which is both expandable and supportive is provided either in a longitudinal form or in a bifurcated form. The graft expands between a first diameter and a second, larger diameter. The support component is an expandable stent endopros...
09/07/1999
5928258Method and apparatus for loading a stent or stent-graft into a delivery sheath
An apparatus for loading a self-expanding prosthesis into a delivery sheath includes a substantially cylindrical cartridge for receiving the prosthesis and a cartridge un-loading device for removing the prosthesis from the cartridge and loading it into a ...
07/27/1999
5871538Luminal graft endoprotheses and manufacture thereof
A luminal endovascular graft or endoprosthesis having a tubular support which expands between a first diameter and a second, larger diameter is provided with an expandable porous coating which is applied over either or both of the internal cylindrical sur...
02/16/1999
5855598Expandable supportive branched endoluminal grafts
An endoluminal graft which is both expandable and supportive is provided in a form suitable for use in a branched body vessel location. The graft expands between a first diameter and a second, larger diameter. The support component is an expandable stent ...
01/05/1999
5849037Self-expanding stent for a medical device to be introduced into a cavity of a body, and method for its preparation
A self-expanding stent for a medical device to be introduced into a cavity of a human body, is disclosed and includes a radially expandable and axially retractable tubular body (1), characterized in that the tubular body comprises first filaments (2, 3) w...
12/15/1998
5804318Lubricious hydrogel surface modification
New and improved lubrifying coatings for reducing the coefficients of friction of surfaces on medical devices include hydrophilic copolymers derived monoethylenically-unsaturated monomers including some monomers having pendant primary amine functionality ...
09/08/1998
5755774Bistable luminal graft endoprosthesis
A luminal graft endoprosthesis or endovascular graft is described which is capable of dilation and support functions and as suitable for the endoluminal repair of vascular lesions and the like. An expandable support or stent is combined with a tubular gra...
05/26/1998
5741333Self-expanding stent for a medical device to be introduced into a cavity of a body
A self-expanding stent is provided for introduction into a cavity of a human body. The stent has a tubular body which is radially expansible and axially retractable between a working state and a resting state. The tubular body has first and second plaited...
04/21/1998
5741331Biostable elastomeric polymers having quaternary carbons
An article of manufacture and method of making and implanting the article made of a polyolefin star or linear copolymer are disclosed in which the polyolefin copolymer is biostable and crack-resistant when implanted in vivo. The polyolefin copolymer is th...
04/21/1998
5736251Lubricious silicone surface modification
Lubricious silicone surface modifying treatments and/or coatings for modifying the frictional or slip surface characteristics of shaped elastomeric articles are provided in surface modifications including a coating or surface modifying composition compris...
04/07/1998
5723004Expandable supportive endoluminal grafts
An endoluminal graft which is both expandable and supportive is provided either in a longitudinal form or in a bifurcated form. The graft expands between a first diameter and a second, larger diameter. The support component is an expandable stent endopros...
03/03/1998
5700269Endoluminal prosthesis deployment device for use with prostheses of variable length and having retraction ability
An endoluminal prosthesis deployment device includes a hollow plunger which is slideably mounted on a narrow inner catheter and an outer sheath through which the catheter and the plunger are slideable. The distal end of the plunger is provided with a soft...
12/23/1997
5653747Luminal graft endoprostheses and manufacture thereof
A luminal endovascular graft or endoprosthesis having a tubular support which expands between a first diameter and a second, larger diameter is provided with an expandable porous coating which is applied over either or both of the internal cylindrical sur...
08/05/1997
5639278Expandable supportive bifurcated endoluminal grafts
An endoluminal graft which is both expandable and supportive is provided in a form suitable for use in a bifurcated body vessel location. The graft expands between a first diameter and a second, larger diameter. The support component is an expandable sten...
06/17/1997
5632772Expandable supportive branched endoluminal grafts
An endoluminal graft which is both expandable and supportive is provided in a form suitable for use in a branched body vessel location. The graft expands between a first diameter and a second, larger diameter. The support component is an expandable stent ...
05/27/1997
5628788Self-expanding endoluminal stent-graft
A self-expanding endoluminal stent-graft includes a conventional wire stent and a tubular deformable material constructed of filaments and having a density and geometry such that when ends of the tubular material are pulled apart, the diameter of the tubu...
05/13/1997
5575818Endovascular stent with locking ring
A tubular stent is provided with a braided structure having a body portion and an end portion, where the end portion has a higher pitch angle than the body portion, thereby forming a locking ring. If desired, a second locking ring can be provided at a sec...
11/19/1996
5415664Method and apparatus for introducing a stent or a stent-graft
A stent, stent-graft or endolumimal graft introducer includes a hollow tube having a proximal end and a distal end and a cup-like end cap for covering the distal end. The cap is coupled to a control member which extends through the hollow tube. The proxim...
05/16/1995
5376117Breast prostheses
Breast prostheses for subcutaneous implantation for breast augmentation. The prostheses include an outer shell having a smooth non-porous outer envelope and a non-woven porous outer layer affixed to the envelope. The outer layer is preferably manufactured...
12/27/1994
5360397Hemodiaylsis catheter and catheter assembly
A hemodialysis catheter having a concentric outer lumen for inflow and a concentric inner lumen for outflow is disclosed. The hemodialysis catheter is used in conjunction with an adapter and with flexible extenders as a catheter assembly. The adapter has ...
11/01/1994
5229431Crack-resistant polycarbonate urethane polymer prostheses and the like
An especially crack-resistant yet elastomeric and pliable polyurethane is provided as a polymer which is especially suitable for medical prosthesis, implants, roofing insulators and the like. The polymer is a polycarbonate urethane polymer which is substa...
07/20/1993
5226913Method of making a radially expandable prosthesis
Radially expandable endoprostheses or stents are provided, as well as their method of manufacture. These stents include a plurality of adjacent generally circumferential sections that are substantially axially positioned with respect to each other. At lea...
07/13/1993
5163951Mesh composite graft
A mesh composite graft including an inner component, an outer component formed from strands of durable material, such as polyethylene terephthalate, and an intermediate component made from strands of biocompatible synthetic material having a melting point...
11/17/1992
5147725Method for bonding silicone rubber and polyurethane materials and articles manufactured thereby
A method for applying a silicone rubber material to polyurethane is described wherein a previously processed polyurethane material can be strongly bonded to a silicone rubber material. The silicone rubber material is applied to the polyurethane in a solut...
09/15/1992
5133742Crack-resistant polycarbonate urethane polymer prostheses
An especially crack-resistant yet elastomeric and pliable polyurethane is provided as a polymer which is especially suitable for medical prostheses, implants, roofing insulators and the like. The polymer is a polycarbonate urethane polymer which is substa...
07/28/1992
5116360Mesh composite graft
A mesh composite graft including an inner component, an outer component formed from strands of durable material, such as polyethylene terephthalate, and an intermediate component made from strands of bicompatible synthetic material having a melting point ...
05/26/1992
5092877Radially expandable endoprosthesis
Radially expandable endoprostheses or stents are provided, as well as their method of manufacture. These stents include a plurality of adjacent generally circumferential sections that are substantially axially positioned with respect to each other. At lea...
03/03/1992
5084065Reinforced graft assembly
A reinforced graft assembly made from a vascular graft component and a reinforcing sleeve component. The reinforcing sleeve component may include one or more layers. The diameter of the inner surface of the most internal layer of the reinforcing sleeve co...
01/28/1992
5019090Radially expandable endoprosthesis and the like
Radially expandable endoprostheses or stents are provided, as well as their method of manufacture. These stents include a plurality of adjacent generally circumferential sections that are substantially axially positioned with respect to each other. At lea...
05/28/1991
4905367Manufacture of stretchable porous sutures
A method is provided for manufacturing surgical sutures that have an elastomeric and porous structure. The elastomeric and porous structure is formed from a mixture including a polymer material and an elutable solvent therefor, which mixture is extruded i...
03/06/1990
4882148Crack prevention and improved thrombogenicity of implanted prostheses by sulfonation
Implantable devices for medical use are provided which have been subjected to treatment with a crack preventative/antithrombogenic agent in the form of a sulfate. This treatment substantially prevents surface cracking or fissuring of the subcutaneous impl...
11/21/1989
4880002Stretchable porous sutures
Surgical sutures are provided that have an elastomeric and porous structure. The elastomeric porous structure can be formed from a plurality of fibers that are wound onto a stylet or onto an elongated and elastomeric central core of the suture, or from a ...
11/14/1989
4872455Anastomosis trimming device and method of using the same
The anastomosis trimming device is used for trimming one end section of a tubular structure, such as a blood vessel or vascular graft, which is to be anastomosed, to provide the anastomotic end with a smooth, reproducible shape. The end is trimmed in such...
10/10/1989
4851009Crack prevention of implanted prostheses
Implantable devices having a biocompatible polymeric surface which is elastomeric and susceptible to cracking under in vivo conditions are provided which have been subjected to treatment with a crack preventative composition that includes an elastomeric s...
07/25/1989
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