Source: http://www.google.fr/patents/US5810849
Timestamp: 2013-05-19 23:33:19
Document Index: 315356085

Matched Legal Cases: ['art 18', 'art 24', 'art 18', 'art 24', 'art 18', 'art 24', 'art 24', 'art 18', 'art 18', 'art 18', 'art 24', 'art 18', 'art 18', 'art 24', 'art 18', 'art 24', 'art 18', 'art 24']

Brevet US5810849 - Device and method for suturing blood vessels and the like - Google�BrevetsRecherche Images Maps Play YouTube Actualit�s Gmail Drive Plus » Recherche avanc�e dans les brevets | Historique Web | Connexion Recherche avanc�e dans les brevets BrevetsA method and device for sealing an opening in an anatomical structure within a living body involves the positioning of the tissue adjacent to the opening within a gap formed by a central part of a flexible tube between proximal and distal parts thereof. A movable surface coupled to the central part is...http://www.google.fr/patents/US5810849?utm_source=gb-gplus-shareBrevet US5810849 - Device and method for suturing blood vessels and the like Num�ro de publicationUS5810849 AType de publicationOctroi Num�ro de demande08/871,789 Date de publication22 sept. 1998 Date de d�p�t9 juin 1997 Date de priorit�9 juin 1997 InventeursStavros Kontos Cessionnaire d'origineCardiologics, L.L.C.St. Jude Medical, Inc.Datascope Corp. Classification aux �tats-Unis606/144606/148 Classification internationaleA61B17/04A61B17/00A61B17/12 Classification coop�rativeA61B17/0057A61B17/0482A61B17/12013A61B2017/00637A61B2017/00663A61B2017/00672 Classification europ�enneA61B 17/00PR�f�rencesCitations de brevets (13) R�f�renc� par (50)Liens externesUSPTO Cession USPTO EspacenetDevice and method for suturing blood vessels and the likeUS 5810849 A R�sum� A method and device for sealing an opening in an anatomical structure within a living body involves the positioning of the tissue adjacent to the opening within a gap formed by a central part of a flexible tube between proximal and distal parts thereof. A movable surface coupled to the central part is also provided so that, in a first configuration, the movable surface is substantially continuous with outer surfaces of the proximal and distal parts and, in a second configuration, the movable surface projects away from the outer surfaces of the proximal and distal parts. A first needle coupled to a suture loop is drawn from a needle retention channel formed within the distal part through the tissue received in the gap and into a needle receiving channel formed within the proximal part. After the device has been rotated to a second position, the procedure is repeated and a second needle attached to the suture loop is drawn through the tissue in the same manner. The two ends are knotted together and tightened to seal the opening in the anatomical structure.
What is claimed is: 1. A device for sealing a hole in an anatomical structure within a living body comprising: a flexible tube including proximal and distal parts coupled together by a central part, the proximal part including an end portion which, when the device is in an operative position, is located outside the body; a movable surface coupled to the central part so that, in a first configuration, the movable surface is substantially continuous with outer surfaces of the proximal and distal parts wherein, in a second configuration, the movable surface projects away from the outer surfaces of the proximal and distal parts a predetermined distance; at least one needle retention channel formed within the distal part for holding a plurality of needles therein, wherein the needle retention channel extends to a distal part opening formed in the proximal end of the distal part; a needle receiving channel formed within the proximal part and extending to a proximal part opening formed in the distal end of the proximal part, wherein, at least in the second configuration, the distal part opening faces the proximal part opening across a gap formed by the central part between the proximal and distal parts; and a flash-back lumen extending from a proximal end opening formed in the end portion of the proximal part to one of an opening formed in the central part and the at least one needle retention channel.
10. A method for sealing holes in anatomical structures within a living body, comprising the steps of: guiding a device to a first desired position within a hole in an anatomical structure, wherein the device includes: a proximal part including a needle receiving channel, a central part coupling the proximal part to a distal part, a movable surface coupled to the central part wherein, when the device is in a first configuration, the movable surface is substantially continuous with outer surfaces of the proximal and distal parts and wherein, when the device is in a second configuration, the movable surface is moved a predetermined distance from the outer surfaces of the proximal and distal surfaces, a needle retention channel extending through the distal part to a distal part opening formed in a proximal end of the distal part, the needle retention channel having a first needle and a second needle received therein, wherein a length of suture is coupled between distal ends of the first and second needles; and a needle receiving channel extending from a proximal part opening formed in a distal end of the proximal part to an end opening formed in the proximal end of the proximal part, wherein, when the device is in the second configuration, the distal part opening faces the proximal part opening across a gap formed by the central part between the proximal and distal parts, when the device is in the first desired position, placing the device in the second configuration to push the movable surface against a portion of the circumference of the hole thereby positioning a first portion of the anatomical structure within the gap formed between the proximal and distal parts; drawing on one of a first part of the length of suture and a first pull cord attached to the distal end of the first needle to draw the first needle and the first part of the length of suture proximally out of the needle retention channel through the first portion of the anatomical structure and into the needle receiving channel; rotating the device to a second desired position within the hole so that a second portion of the anatomical structure adjacent to the hole is located within the gap; drawing on one of a second part of the length of suture and a second pull cord attached to a distal end of the second needle to draw the second needle and the second part of the length of suture out of the needle retention channel, through the second portion of the anatomical structure and into the needle receiving channel; fastening the first and second parts of the length of suture together to form a first suture loop; and tightening the first suture loop to draw the sides of the opening in the anatomical structure together.
SUMMARY OF THE INVENTION The present invention is directed to a device for sealing an opening in an anatomical structure within a living body. The device includes a flexible tube including a proximal part extending substantially along an axis and a distal part coupled to the proximal part by a central part. The proximal part includes an end portion which, when the device is in an operative position, is located outside the body. The device also includes at least one needle retention channel formed within the distal part for holding a plurality of needles therein. The needle retention channel extends to an opening formed in the proximal end of the distal part. The device further includes a needle receiving channel formed within the proximal part and extending from an opening formed in the distal end of the proximal part to a proximal opening. A lumen extending through the central part is fluidly coupled to the opening formed in the proximal end of the distal part and is fluidly coupled to an opening formed in the end portion of the proximal part. A movable surface is coupled to the central part and adapted to project away from the axis to position the opening in the distal end of the proximal part and the opening in the proximal end of the distal part on opposite sides of the anatomical structure.
DETAILED DESCRIPTION OF THE INVENTION Referring now to the drawings, in which like reference numerals identify similar or identical elements, FIGS. 1-8 show a device 1 according to a first embodiment of the invention for suturing punctures in blood vessels, internal organs and the like. The device 1 includes flexible tube 16 of substantially circular cross-section, which has a proximal part 18 and a distal part 24. The proximal part 18 extends from a first end 20 through a central arcuate portion 22 to a second end 21 which mates with a proximal end 23 of the distal part 24. The central arcuate portion may preferably be substantially circular or angular and forming a gap of 0.100" to 0.600". The flexible tube 16 is preferably constructed of a thermoplastic such as polyurethane, polyethylene, or the like, in two or three parts bonded together. The various parts of the flexible tube 16 may preferably be either extruded or molded. Those skilled in the art will recognize that it will be more economical to extrude the parts including one or two lumens, while the more complex, and curved sections of the flexible tube 16 may be molded. The length of the flexible tube may be selected to fit the requirements of a particular situation and is preferably between 1" and 16" in length.
The central portion 22 includes a rotatable member 101 rotatably coupled between the proximal part 18 and the distal part 24. Specifically, the rotatable member 101 may rotate around the flashback lumen 30 by e.g., 180 part 24 and the distal end of the proximal part 18. The device 1a includes a rotating element 100 which is coupled to the rotatable member 101 so that, upon rotation by the user of the rotating element 100, the rotatable member 101 rotates by a corresponding angle. The rotating element 100 is connected to the proximal part 18 at the first end 20. The flashback lumen 30 of this embodiment extends from a proximal end 102 of the rotating element 100, through the rotating element 100 and the proximal part 18, through the rotatable member 101 and into the distal part 24. The rotating element 100 may be coupled to the rotatable member 101 via a tube 103 slidably received in the proximal part 18 so that an inner diameter of the tube 103 forms a proximal part of the flashback lumen 30. A distal end of this tube 103 is fixably and/or non-rotatably coupled to the rotatable member 101. Of course, those skilled in the art will understand that the flashback lumen 30 may extend to any opening which, when the device is in an operative position within a blood vessel, is located within the blood vessel. That is, the flashback lumen 30 may extend to a hole formed in the outer surface of the rotatable member 101 and need not be fluidly coupled to the opening 33.
In operation, when the device 1a is inserted into the blood vessel of a patient, the rotatable member 101 is positioned by the physician (using the rotating element 100) so that an outer surface of the central portion 22 forms a substantially continuous surface with outer surfaces of the proximal part 18 and the distal part 24 (see FIG. 23). In this position, the device 1a preferably forms a substantially continuous cylinder. As with the prior embodiments, the device 1a is positioned so that the opening 33 is within the blood vessel while the opening 10 is outside the puncture on the proximal side of the blood vessel. The physician then rotates the rotating element 100 by, e.g., 180 surface 107 of the rotatable member 101 away from the corresponding portions of the proximal part 18 and the distal part 24, to create a gap 105 between the proximal part 18 and the distal part 24. The user then notes the flow of blood through the flashback lumen 30 to ensure that the blood vessel wall is positioned between the openings 33 and 10. Thus, as described in regard to the previous embodiments, a needle 37 can be drawn from one of the needle retention bores 32 via the suture 41 to pierce the wall of the blood vessel. The device is then rotated to a second position within the opening in the blood vessel wall and a second one of the needles 37 is drawn through a second portion of the blood vessel wall. The ends of the suture are then coupled together to seal the opening. One of ordinary skill in the art will understand that the rotatable member 101 can be rotated to other positions beside the 180 so long as the gap 105 is sufficient to allow the needles 37 to pass between the openings 10 and 33.
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