Patents by Inventor Fred H. Co
Fred H. Co 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).
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Publication number: 20090234347Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: ApplicationFiled: May 29, 2009Publication date: September 17, 2009Applicant: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORKInventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kuchlick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Patent number: 7588566Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: GrantFiled: April 30, 2007Date of Patent: September 15, 2009Assignee: The Trustees of Columbia University in the City of New YorkInventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Publication number: 20090088793Abstract: Apparatus and methods for sealing a puncture through tissue includes an introducer sheath sized for introduction into a puncture, cartridge sized for insertion into the introducer carrying a sealant, and a locking element for coupling the introducer sheath to the cartridge. When the cartridge is advanced into the introducer sheath, the locking element couples the introducer sheath to the cartridge such that subsequent retraction of the cartridge causes the introducer sheath to retract, thereby deploying the sealant from the cartridge within the puncture beyond the introducer sheath.Type: ApplicationFiled: September 28, 2007Publication date: April 2, 2009Inventors: Celso J. Bagaoisan, Sieu Duong, Fred H. Co, Juan Domingo
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Publication number: 20070231366Abstract: Methods are provided for making freeze dried hydrogel and structures therefrom that may be introduced into a patient's body for medical applications. Precursor components are combined to initiate crosslinking. The combined precursor components are placed in a chilled tray, and allowed to crosslink to a desired level of complete crosslinking before and/or after being placed onto the tray. The partially crosslinked hydrogel is frozen and freeze dried. After freeze drying, the hydrogel is conditioned to substantially complete crosslinking, and formed into one or more structures, e.g., plugs, hemostatic, or other medical devices. For example, the hydrogel may be cut, machined, rolled, folded, compressed, and/or cored into that may be loaded into delivery devices that may be introduced into a body to implant or otherwise deliver the structures into the body, e.g., to seal a puncture or other passage through tissue.Type: ApplicationFiled: August 18, 2006Publication date: October 4, 2007Inventors: Amarpreet S. SAWHNEY, Steven L. Bennett, Suresh S. Pai, Scott R. Sershen, Fred H. Co
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Patent number: 7211080Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: GrantFiled: February 21, 2006Date of Patent: May 1, 2007Assignee: The Trustees of Columbia University in the City of New YorkInventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Patent number: 7037317Abstract: Balloon loaded dissection devices and methods for using such devices are disclosed. The devices include an elongate balloon and may be provided with a central lumen. The device may have a guide tube to provide columnar support. In a further aspect, the guide tube may have a spoon-shaped shroud attached to a distal end. The guide tube receives the guide rod, scope or other surgical instrument and may have a stop member. By using the guide rod or scope as a pushing member, the device may be advanced alongside the vessel it is desired to dissect free from attached tissue. A balloon cover may be provided to surround the balloon and facilitate compression of the balloon after it is deflated. In an additional feature, the guide rod and/or tubular member are plastically bendable into a curved shape such that the balloon dissector may be adjusted into a curved shape.Type: GrantFiled: May 30, 2003Date of Patent: May 2, 2006Assignee: United States Surgical CorporationInventors: George D. Hermann, Fred H. Co, Douglas S. Sutton
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Patent number: 6908463Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: GrantFiled: April 20, 2001Date of Patent: June 21, 2005Assignee: The Trustees of Columbia University in the City of New YorkInventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Patent number: 6860880Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: GrantFiled: November 12, 2002Date of Patent: March 1, 2005Assignee: The Trustees of Columbia University in the City of New YorkInventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Publication number: 20040073205Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: ApplicationFiled: April 20, 2001Publication date: April 15, 2004Inventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Patent number: 6719725Abstract: Total occlusions are crossed by passing a guidewire or other penetrating wire from a point proximal to the occlusion into a subintimal space between the intimal layer and adventitial layer of the blood vessel wall. The wire is advanced to a point distal to the occlusion and thereafter deflected back into the blood vessel lumen, typically using a deflecting catheter which is advanced over the guidewire after it has been positioned within the subintimal space. After the guidewire is returned to the blood vessel lumen, the deflecting catheter may be withdrawn and the guidewire is available for introduction of other interventional and diagnostic catheters.Type: GrantFiled: December 3, 2002Date of Patent: April 13, 2004Assignee: LuMend, Inc.Inventors: Charles F. Milo, Matthew R. Selmon, Richard E. Hill, Fred H. Co, Ronald G. French
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Publication number: 20030195545Abstract: Balloon loaded dissection devices with elongate balloons and a pushing member are disclosed for creating a tunnel alongside an elongate vessel in the body. The devices may utilize an elongate balloon of any suitable length which may be formed of an elastic or non-elastic material. The balloon may be of double walled construction and may be provided with a central lumen which may receive a guide rod, scope or other surgical instrument. The device may have a support tube secured to the inner wall of the balloon to provide columnar support for the apparatus. In a further aspect, the support tube may have a spoon-shaped shroud attached to a distal end of the support tube. The support tube receives the guide rod, scope or other surgical instrument and may have a stop member to translate pushing force applied to the guide rod or scope to pushing force on the apparatus.Type: ApplicationFiled: May 30, 2003Publication date: October 16, 2003Inventors: George D. Hermann, Fred H. Co, Douglas S. Sutton
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Publication number: 20030195498Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: ApplicationFiled: May 13, 2003Publication date: October 16, 2003Inventors: Michael R. Treat, Fred H, Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Patent number: 6626901Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: GrantFiled: August 13, 1999Date of Patent: September 30, 2003Assignee: The Trustees of Columbia University in the City of New YorkInventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Patent number: 6596010Abstract: Balloon loaded dissection devices with elongate balloons and a pushing member are disclosed for creating a tunnel alongside an elongate vessel in the body. The devices may utilize an elongate balloon of any suitable length which may be formed of an elastic or non-elastic material. The balloon may be of double walled construction and may be provided with a central lumen which may receive a guide rod, scope or other surgical instrument. The device may have a support tube secured to the inner wall of the balloon to provide columnar support for the apparatus. In a further aspect, the support tube may have a spoon-shaped shroud attached to a distal end of the support tube. The support tube receives the guide rod, to scope or other surgical instrument and may have a stop member to translate pushing force applied to the guide rod or scope to pushing force on the apparatus.Type: GrantFiled: August 27, 1999Date of Patent: July 22, 2003Assignee: General Surgical Innovations, Inc.Inventors: George D. Hermann, Fred H. Co, Douglas S. Sutton
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Publication number: 20030120195Abstract: Total occlusions are crossed by passing a guidewire or other penetrating wire from a point proximal to the occlusion into a subintimal space between the intimal layer and adventitial layer of the blood vessel wall. The wire is advanced to a point distal to the occlusion and thereafter deflected back into the blood vessel lumen, typically using a deflecting catheter which is advanced over the guidewire after it has been positioned within the subintimal space. After the guidewire is returned to the blood vessel lumen, the deflecting catheter may be withdrawn and the guidewire is available for introduction of other interventional and diagnostic catheters.Type: ApplicationFiled: December 3, 2002Publication date: June 26, 2003Applicant: LUMEND, INC.Inventors: Charles F. Milo, Matthew R. Selmon, Richard E. Hill, Fred H. Co, Ronald G. French
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Publication number: 20030069571Abstract: An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.Type: ApplicationFiled: November 12, 2002Publication date: April 10, 2003Inventors: Michael R. Treat, Fred H. Co, George D. Hermann, Thomas A. Howell, Theodore R. Kucklick, Michelle Y. Monfort, Kenneth H. Mollenauer
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Patent number: 6511458Abstract: Total occlusions are crossed by passing a guidewire or other penetrating wire from a point proximal to the occlusion into a subintimal space between the intimal layer and adventitial layer of the blood vessel wall. The wire is advanced to a point distal to the occlusion and thereafter deflected back into the blood vessel lumen, typically using a deflecting catheter which is advanced over the guidewire after it has been positioned within the subintimal space. After the guidewire is returned to the blood vessel lumen, the deflecting catheter may be withdrawn and the guidewire is available for introduction of other interventional and diagnostic catheters.Type: GrantFiled: January 19, 2001Date of Patent: January 28, 2003Assignee: LuMend, Inc.Inventors: Charles F. Milo, Matthew R. Selmon, Richard E. Hill, Fred H. Co, Ronald G. French
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Publication number: 20010012924Abstract: Total occlusions are crossed by passing a guidewire or other penetrating wire from a point proximal to the occlusion into a subintimal space between the intimal layer and adventitial layer of the blood vessel wall. The wire is advanced to a point distal to the occlusion and thereafter deflected back into the blood vessel lumen, typically using a deflecting catheter which is advanced over the guidewire after it has been positioned within the subintimal space. After the guidewire is returned to the blood vessel lumen, the deflecting catheter may be withdrawn and the guidewire is available for introduction of other interventional and diagnostic catheters.Type: ApplicationFiled: March 15, 2001Publication date: August 9, 2001Inventors: Charles F. Milo, Matthew R. Selmon, Richard E. Hill, Fred H. Co, Ronald G. French
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Patent number: 6235000Abstract: Total occlusions are crossed by passing a guidewire or other penetrating wire from a point proximal to the occlusion into a subintimal space between the intimal layer and adventitial layer of the blood vessel wall. The wire is advanced to a point distal to the occlusion and thereafter deflected back into the blood vessel lumen, typically using a deflecting catheter which is advanced over the guidewire after it has been positioned within the subintimal space. After the guidewire is returned to the blood vessel lumen, the deflecting catheter may be withdrawn and the guidewire is available for introduction of other interventional and diagnostic catheters.Type: GrantFiled: November 17, 1999Date of Patent: May 22, 2001Assignee: LuMend, Inc.Inventors: Charles F. Milo, Matthew R. Selmon, Richard E. Hill, Fred H. Co, Ronald G. French
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Patent number: 6231546Abstract: Total occlusions are crossed by passing a guidewire or other penetrating wire from a point proximal to the occlusion into a subintimal space between the intimal layer and adventitial layer of the blood vessel wall. The wire is advanced to a point distal to the occlusion and thereafter deflected back into the blood vessel lumen, typically using a deflecting catheter which is advanced over the guidewire after it has been positioned within the subintimal space. After the guidewire is returned to the blood vessel lumen, the deflecting catheter may be withdrawn and the guidewire is available for introduction of other interventional and diagnostic catheters.Type: GrantFiled: January 13, 1998Date of Patent: May 15, 2001Assignee: LuMend, Inc.Inventors: Charles F. Milo, Matthew R. Selmon, Richard E. Hill, Fred H. Co, Ronald G. French