Patents by Inventor Delos M. Cosgrove

Delos M. Cosgrove has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20030178033
    Abstract: A minimally invasive approach for surgery on portions of the heart and great vessels. A parasternal incision is made extending across a predetermined number of costal cartilages, e.g., a right parasternal incision extending from the lower edge of the second costal cartilage to the superior edge of the fifth costal cartilage. One or more costal cartilages, e.g., the third and fourth, are then excised to provide access to the portion of the heart or great vessels of interest, for example between a point approximately three centimeters above supra annular ridge and the mid ventricular cavity, and a desired procedure completed.
    Type: Application
    Filed: February 10, 2003
    Publication date: September 25, 2003
    Inventor: Delos M. Cosgrove
  • Patent number: 6602288
    Abstract: An annuloplasty repair segment and template for heart valve annulus repair. The elongate flexible template may form a distal part of a holder that also has a proximal handle. Alternatively, the template may be releasably attached to a mandrel that slides within a delivery sheath, the template being released from the end of the sheath to enable manipulation by a surgeon. A tether connecting the template and mandrel may also be provided. The template may be elastic, temperature responsive, or multiple linked segments. The template may be aligned with the handle and form a two- or three-dimensional curve out of alignment with the handle such that the annuloplasty repair segment attached thereto conforms to the curve. The template may be actively or passively converted between its straight and curved positions.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: August 5, 2003
    Assignee: Edwards Lifesciences Corporation
    Inventors: Delos M. Cosgrove, Stefan G. Schreck, Richard S. Rhee
  • Publication number: 20030144732
    Abstract: An annuloplasty repair segment and template for heart valve annulus repair. The elongate flexible template may form a distal part of a holder that also has a proximal handle. Alternatively, the template may be releasably attached to a mandrel that slides within a delivery sheath, the template being released from the end of the sheath to enable manipulation by a surgeon. A tether connecting the template and mandrel may also be provided. The template may be elastic, temperature responsive, or multiple linked segments. The template may be aligned with the handle and form a two- or three-dimensional curve out of alignment with the handle such that the annuloplasty repair segment attached thereto conforms to the curve. The template may be actively or passively converted between its straight and curved positions.
    Type: Application
    Filed: January 24, 2003
    Publication date: July 31, 2003
    Inventors: Delos M. Cosgrove, Stefan G. Schreck, Richard S. Rhee
  • Patent number: 6558416
    Abstract: An assembly for holding a substantially flexible suture guide of predetermined length in a substantially taut position used to achieve a suture line having a dimension equal to the length of the suture guide, such as the circumference about a heart valve annulus. The assembly includes a rigid suture guide holder having a surface against which the length of suture guide is releasably positioned. The guide holder can have a shape or geometry, such as a circumference or circumferential segment, equivalent to the shape or geometry of the intended suture line. The shape of the guide holder can therefore be selected to hold the suture guide in the shape most advantageous to placing the desired suture line.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: May 6, 2003
    Assignee: Edwards Lifesciences Corporation
    Inventors: Delos M. Cosgrove, Than Nguyen
  • Patent number: 6539945
    Abstract: A minimally invasive approach for surgery on portions of the heart and great vessels. A parasternal incision is made extending across a predetermined number of costal cartilages, e.g., a right parasternal incision extending from the lower edge of the second costal cartilage to the superior edge of the fifth costal cartilage. One or more costal cartilages, e.g., the third and fourth, are then excised to provide access to the portion of the heart or great vessels of interest, for example between a point approximately three centimeters above supra annular ridge and the mid ventricular cavity, and a desired procedure completed.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: April 1, 2003
    Assignee: The Cleveland Clinic Foundation
    Inventor: Delos M. Cosgrove
  • Publication number: 20020082686
    Abstract: An improved holder, system and method for implanting a tissue-type prosthetic mitral heart valve that prevents suture looping and may also constrict the commissure posts of the valve. The holder may include two relatively movable plates, one of which attaches to the valve sewing on the inflow end of the valve ring and the other which attaches via sutures or similar expedient to the valve commissures on the outflow end. Separation of the plates places the sutures in tension and constricts the commissures. The sutures may be strands or filaments, or may be wider bands of flexible biocompatible material. If bands are used, they desirably cover the commissure post tips to further help prevent suture looping thereover. The flexible lengths of material extend directly between commissures of the valve, or may extending radially inward from each commissure to a central upstanding member.
    Type: Application
    Filed: December 21, 2000
    Publication date: June 27, 2002
    Inventors: Diana Nguyen-Thien-Nhon, Myron Howanec, Ralph Kafesjian, Delos M. Cosgrove, Robert Stobie, Hung Ly Lam
  • Patent number: 6315751
    Abstract: A cardiopulmonary by-pass system having a vacuum assisted venous drainage system including a hard-shelled venous reservoir which is closed to atmosphere. The reservoir having a blood inlet for supplying blood removed under negative pressure during operation of the cardiopulmonary by-pass system to the reservoir, a blood outlet for removing blood from the reservoir, and a vacuum inlet for supplying a vacuum to the reservoir. A vacuum supply is also included for providing a predetermined desired vacuum of approximately −70 to −25 mmHG from a house wall vacuum source to the venous reservoir via the vacuum inlet. A patient support unit is also provided for receiving blood from the reservoir blood outlet, treating and returning revitalized removed blood under positive pressure. A vacuum regulator subassembly is also provided for manually setting the predetermined desired vacuum. A valve subassembly is further provided for manually enabling and disabling a vacuum from being supplied to the reservoir.
    Type: Grant
    Filed: August 15, 1997
    Date of Patent: November 13, 2001
    Assignee: Cleveland Clinic Foundation
    Inventors: Delos M. Cosgrove, Robert C. Foster
  • Patent number: 6283993
    Abstract: An assembly for holding a substantially flexible suture guide of predetermined length in a substantially taut position used to achieve a suture line having a dimension equal to the length of the suture guide, such as the circumference about a heart valve annulus. The assembly includes a rigid suture guide holder having a surface against which the length of suture guide is releasably positioned. The guide holder can have a shape or geometry, such as a circumference or circumferential segment, equivalent to the shape or geometry of the intended suture line. The shape of the guide holder can therefore be selected to hold the suture guide in the shape most advantageous to placing the desired suture line.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: September 4, 2001
    Assignee: Edwards Lifesciences Corporation
    Inventors: Delos M. Cosgrove, Than Nguyen
  • Publication number: 20010010018
    Abstract: An assembly for holding a substantially flexible suture guide of predetermined length in a substantially taut position used to achieve a suture line having a dimension equal to the length of the suture guide, such as the circumference about a heart valve annulus. The assembly includes a rigid suture guide holder having a surface against which the length of suture guide is releasably positioned. The guide holder can have a shape or geometry, such as a circumference or circumferential segment, equivalent to the shape or geometry of the intended suture line. The shape of the guide holder can therefore be selected to hold the suture guide in the shape most advantageous to placing the desired suture line.
    Type: Application
    Filed: March 6, 2001
    Publication date: July 26, 2001
    Inventors: Delos M. Cosgrove, Than Nguyen
  • Publication number: 20010003986
    Abstract: A minimally invasive approach for surgery on portions of the heart and great vessels. A parasternal incision is made extending across a predetermined number of costal cartilages, e.g., a right parasternal incision extending from the lower edge of the second costal cartilage to the superior edge of the fifth costal cartilage. One or more costal cartilages, e.g., the third and fourth, are then excised to provide access to the portion of the heart or great vessels of interest, for example between a point approximately three centimeters above supra annular ridge and the mid ventricular cavity, and a desired procedure completed.
    Type: Application
    Filed: January 25, 2001
    Publication date: June 21, 2001
    Inventor: Delos M. Cosgrove
  • Patent number: 6197052
    Abstract: An assembly for holding a substantially flexible suture guide of predetermined length in a substantially taut position used to achieve a suture line having a dimension equal to the length of the suture guide, such as the circumference about a heart valve annulus. The assembly includes a rigid suture guide holder having a surface against which the length of suture guide is releasably positioned. The guide holder can have a shape or geometry, such as a circumference or circumferential segment, equivalent to the shape or geometry of the intended suture line. The shape of the guide holder can therefore be selected to hold the suture guide in the shape most advantageous to placing the desired suture line.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: March 6, 2001
    Assignee: Edwards Lifesciences Corporation
    Inventors: Delos M. Cosgrove, Than Nguyen
  • Patent number: 6197053
    Abstract: In general, the present invention comprises an holding apparatus for facilitating implantation of a prosthetic heart valve within a mammalian heart. The holding apparatus generally comprises a cage or enclosure having a heart valve prosthesis retention space defined therewith. The proximal end of the holding apparatus is releasably attached to the proximal end of the heart valve prosthesis such that, when the holding apparatus is advanced in a forward direction, a “pulling” force will be exerted upon the proximal end of the prosthesis, rather than a “pushing” force being exerted upon the distal end of the prosthesis.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: March 6, 2001
    Assignee: Edwards Lifesciences Corporation
    Inventors: Delos M. Cosgrove, Richard Rhee, Diana Nguyen
  • Patent number: 6182664
    Abstract: A minimally invasive approach for surgery on portions of the heart and great vessels located between a point approximately three centimeters above supra annular ridge and the mid ventricular cavity. A parasternal incision is made extending across a predetermined number of costal cartilage, e.g., a right parasternal incision extending from the lower edge of the second costal cartilage to the superior edge of the fifth costal cartilage. One or more costal cartilages, e.g., the third and fourth, are then excised to provide access to the portion of the heart or great vessels of interest, and a desired procedure completed. The minimally invasive approach enables repair or replacement of the mitral or aortic valve.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: February 6, 2001
    Assignee: Edwards Lifesciences Corporation
    Inventor: Delos M. Cosgrove
  • Patent number: 6162172
    Abstract: Surgical apparatus and associated methods of use are provided for retracting tissue around an incision. The apparatus includes a member having an inner peripheral surface and an outer peripheral surface. An adjustable aperture is definable within the inner peripheral surface as the member is adjusted between a compressed condition in which the aperture is substantially closed and an expanded condition in which the aperture is substantially open. The apparatus is positioned within a surgical incision in the compressed condition, and is adjusted to the expanded condition in situ to define an opening within the incision through the aperture whereby a surgical field may be viewed and/or accessed.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: December 19, 2000
  • Patent number: 6139563
    Abstract: The present invention provides a surgical device having a tissue engaging portion, a shaft member, and a handle assembly. The tissue engaging portion includes first and second opposed jaws for grasping, securing, and occluding body tissue and conduits. The shaft member is operatively coupled to the tissue engaging portion and is capable of being placed in different curvatures. The handle assembly is operatively coupled to both the shaft member and to the tissue engaging portion. The shaft member of the present invention allows the surgeon to bend and adjust the shape of the surgical device to minimize its intrusion and to allow for proper positioning in predetermined body locations. In a preferred embodiment, a portion of the device is disposable.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: October 31, 2000
    Assignee: Allegiance Corporation
    Inventors: Delos M. Cosgrove, III, Joel Donald Gray, Donald B. Williams, Thomas J. Block
  • Patent number: 5800531
    Abstract: In general, the present invention comprises an holding apparatus for facilitating implantation of a prosthetic heart valve within a mammalian heart. The holding apparatus generally comprises a cage or enclosure having a heart valve prosthesis retention space defined therewith. The proximal end of the holding apparatus is releasably attached to the proximal end of the heart valve prosthesis such that, when the holding apparatus is advanced in a forward direction, a "pulling" force will be exerted upon the proximal end of the prosthesis, rather than a "pushing" force being exerted upon the distal end of the prosthesis.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: September 1, 1998
    Assignee: Baxter International Inc.
    Inventors: Delos M. Cosgrove, Richard Rhee, Diana Nguyen
  • Patent number: 5752526
    Abstract: A minimally invasive approach for surgery on portions of the heart and great vessels located between a point approximately three centimeters above supra annular ridge and the mid ventricular cavity. A parasternal incision is made extending across a predetermined number of costal cartilage, e.g., a right parasternal incision extending from the lower edge of the second costal cartilage to the superior edge of the fifth costal cartilage. One or more costal cartilages, e.g., the third and fourth, are then excised to provide access to the portion of the heart or great vessels of interest, and a desired procedure completed. A minimally invasive procedure for repair or replacement of the aortic valve is disclosed.
    Type: Grant
    Filed: February 19, 1996
    Date of Patent: May 19, 1998
    Assignee: The Cleveland Clinic Foundation
    Inventor: Delos M. Cosgrove
  • Patent number: 5685865
    Abstract: A low velocity aortic cannula having a proximal end, a distal end, and a lumen therebetween for conducting blood, the distal end being adapted for insertion into the aorta during heart surgery to provide blood to the aorta. There is a diffuser at least partially blocking the distal end of the cannula, and a plurality of outlet openings in the side of the distal end of the cannula. In one embodiment the distal end of the cannula is closed with a cap, and the diffuser is a rounded cone extending generally upstream in the lumen. The outlet openings are located in the sidewall of the cannula. In a second embodiment of the invention, the diffuser has a helical configuration, and partially blocks the distal opening of the cannula. Additional openings are provided in the sidewall to permit flow. According to the method of this invention, an opening is formed in the aorta, the distal end of one of the embodiments of the cannula is inserted into the opening, and blood flow through the cannula is established.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: November 11, 1997
    Assignees: Minnesota Mining and Manufacturing Company, Cleveland Clinic Foundation
    Inventors: Delos M. Cosgrove, J. Fredrick Cornhill, Christopher M. Boykin, Nelson L. Huldin, William G. O'Neill
  • Patent number: 5683402
    Abstract: An assembly for holding a substantially flexible suture guide of predetermined length in a substantially taut position used to achieve a suture line having a dimension equal to the length of the suture guide, such as the circumference about a heart valve annulus. The assembly includes a rigid suture guide holder having a surface against which the length of suture guide is releasably positioned. The guide holder can have a shape or geometry, such as a circumference or circumferential segment, equivalent to the shape or geometry of the intended suture line. The shape of the guide holder can therefore be selected to hold the suture guide in the shape most advantageous to placing the desired suture line.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 4, 1997
    Assignee: Baxter International Inc.
    Inventors: Delos M. Cosgrove, Than Nguyen
  • Patent number: 5643226
    Abstract: An improved aortic cannula having a sidewall with a proximal end, a distal end, and a lumen therebetween for conducting blood, the distal end being adapted for insertion into the aorta during heart surgery to provide blood to the aorta. The cannula has a cap substantially blocking axial flow through the distal end of the lumen. There are a plurality of outlet openings in the sidewall of the cannula adjacent the distal end. The distal end of the lumen is flush with or preferably distally beyond the distal ends of the outlet openings. The aortic cannula may have a bend therein, as is known in the art, in which case the outlet openings on the outside side of the bend are smaller than the outlet openings on the inside side of the bend, to reduce disparity in the flow that would otherwise be caused by the bend, substantially equalizing flow through the openings.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: July 1, 1997
    Assignees: Minnesota Mining and Manufacturing, The Cleveland Clinic Foundation
    Inventors: Delos M. Cosgrove, J. Frederick Cornhill, Christopher M. Boykin, Nelson L. Huldin, William G. O'Neill