Patents by Inventor Jeffry S. Melsheimer

Jeffry S. Melsheimer 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).

  • Patent number: 8540123
    Abstract: Among other things, an apparatus for mixing and dispensing a bone cement mixture are provided. In certain embodiments, the apparatus includes a housing having a first chamber for containing an ampoule having a first bone cement component. The housing has a second chamber for containing a second bone cement component and the first and second chambers are in fluid communication. An ampoule breaking device is disposed within the first chamber and is configured to engage and break the ampoule for release of the first bone cement component. Disposed within the second chamber is an impeller that is configured to rotate such that the impeller mixes the first and second bone cement components together to form the bone cement mixture. Adjacent the impeller is a displacer that is configured to advance through the second chamber, receiving the impeller and dispensing the bone cement mixture.
    Type: Grant
    Filed: June 11, 2012
    Date of Patent: September 24, 2013
    Assignee: Cook Medical Technologies LLC
    Inventors: Jeffry S. Melsheimer, Jonathan Lee Bennett, Jessica L. Burke
  • Publication number: 20130226237
    Abstract: A gastrointestinal suture anchor set device includes a pusher slidably received in a needle. A suture clamp assembly includes an anchor attached to one end of a length of the suture, which is slidably received in a sequence of passages defined by a suture clamp in a high profile sliding configuration. The anchor is received in the distal end of the needle with the suture extending outside of the needle. The clamp includes a series of disks movable to a low profile clamped configuration at which different segments of the suture are clamped between faces of adjacent disks. The series of disks define a sequence of suture passages that are segments of a tortuous pathway through the clamp traversed by the suture.
    Type: Application
    Filed: February 27, 2012
    Publication date: August 29, 2013
    Applicant: Cook Medical Technologies LLC
    Inventors: Cleon P. Stanley, Jeffry S. Melsheimer
  • Publication number: 20130204297
    Abstract: A suture anchor assembly includes a length of suture having an anchor attached to an end thereof. A releasable suture clamp is disposed in a clamped configuration about the suture. The releasable suture clamp includes a plurality of independent stackable components rotatable about a common axis, which is transverse to opposing faces of the stackable components. Each of the stackable components has a first opening passing through the opposing faces, spaced from the common axis, and sized for receiving the suture therethrough. The releasable suture clamp has an unclamped configuration in which the first openings are aligned relative to an alignment axis and the clamped configuration in which the first openings are misaligned relative to the alignment axis, wherein the alignment axis is parallel to the common axis.
    Type: Application
    Filed: February 7, 2013
    Publication date: August 8, 2013
    Inventors: Jeffry S. Melsheimer, Kristyn Gadlage
  • Patent number: 8474122
    Abstract: Systems and methods for compressing a medical device, such as a self-expanding stent, and loading the compressed medical device into a sheath are disclosed. A plurality of moveable blades are disposed about a central axis and form a radially contractible aperture which receives the device. An operating mechanism moves the blades between an expanded configuration and a radially contracted configuration. A subset of the blades is independently moveable in an axial direction with respect to other of the blades while the blades are in a contracted configuration.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: July 2, 2013
    Assignee: Cook Medical Technologies LLC
    Inventor: Jeffry S. Melsheimer
  • Patent number: 8475403
    Abstract: A medical device for aspirating and injecting fluid into a body cavity for use with first and second syringes is provided. The medical device includes an outer needle having an outer lumen formed therethrough. A distal end of the outer needle is configured to puncture tissue for insertion of the needle into the body cavity. An inner cannula is disposed within the outer lumen and has an inner lumen formed therethrough. A distal end of the inner cannula is disposed within the outer lumen. A hub has a first hub opening for fluidly connecting the first syringe to the outer lumen and a second hub opening for fluidly connecting the second syringe to the inner lumen. The inner cannula extends from at least one of the first and second hub openings to the distal end of the inner cannula. A method for treating a cyst is also provided.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: July 2, 2013
    Assignee: Cook Medical Technologies LLC
    Inventors: Jeffry S. Melsheimer, Christopher D. Bosel
  • Patent number: 8449494
    Abstract: A device and a method for preparing foam are provided. The device includes a first housing having a first chamber therein and a first movable member positioned at least partially within the first housing. The device also includes a second housing having a second chamber therein, the second chamber being selectively and operably connectable to the first chamber. The second housing further includes a biasing member and a second movable member therein, the biasing member biasing the movable member toward a first end portion of the second housing. The device includes a valve operably connected to the first chamber and the second chamber and movably positionable to selectively control the connection between the first chamber and the second chamber and a handle operably connected to the first movable member and movable to bias the first movable member toward a first end portion of the first housing.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: May 28, 2013
    Assignee: Cook Medical Technologies LLC
    Inventor: Jeffry S. Melsheimer
  • Patent number: 8425585
    Abstract: A stent arrangement (12) and a stent graft (2) for curved lumens of the body. The stent graft has a tubular body (4) of a graft material, at least a portion of which may be arcuate to define an inner curved side (4b) and an outer curved side (4a) at least when deployed into the curved vessel. The stent graft has a plurality of self expanding stents (10, 12, 13) affixed thereto with a greater distance (11a) between the stents on the outer curved side than on the inner curved side. The stents can be normal, tapered on one or both ends or skewed. When mounted onto a deployment device a twist (152, 154) may be provided in the graft material between adjacent stents to nest the stents.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: April 23, 2013
    Assignee: Cook Medical Technologies LLC
    Inventors: Jeffry S. Melsheimer, David Ernest Hartley, Michael Lawrence-Brown, Gregory Paul Van Schie
  • Patent number: 8394138
    Abstract: A stent including a stent wire comprising a plurality of filaments twisted into a bundle having a helix, the stent wire bent into a pattern having a plurality of substantially straight wire sections separated by a plurality of bends. The pattern of the stent wire is spirally wound about a central axis in the same direction as the helix formed by the plurality of filaments. Each of the filaments in a bend have a cylindrical cross-section where at least one of the plurality of filaments is displaced and spaced from an immediately adjacent filament in the bend.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: March 12, 2013
    Assignee: Cook Medical Technologies LLC
    Inventors: Jeffry S. Melsheimer, Kurt J. Tekulve, Mark R. Frye, James M. Carlson, Richard J. Godlewski, Michael W. Hardert, Jessica L. Burke
  • Publication number: 20130046330
    Abstract: A filter device assembly and a method of using such a device to capture and remove embolic material from a body lumen or blood vessel is provided. The filter device assembly generally comprises a structure having a collapsed state and an expanded state with first, second, and optionally N additional filter members circumferentially attached thereto. Each filter member forms an annulus chamber with the first filter member having porosity P1; the second filter member circumferentially having porosity P2; and the N additional filter members each having porosity [P3 . . . P(2+N)]. The magnitude of the porosity for the first, second, and N additional filter members follows the relationship P1>[P3> . . . >P(2+N)]>P2. The first, second, and N additional filter portions are configured in the expanded state to allow blood to flow there through and to capture emboli in the annulus chambers.
    Type: Application
    Filed: August 17, 2011
    Publication date: February 21, 2013
    Applicant: Cook Medical Technologies LLC
    Inventors: Charles L. McIntosh, Shyam Kuppurathanam, Jeffry S. Melsheimer
  • Patent number: 8372140
    Abstract: An implantable valve prosthesis is provided. The valve prosthesis includes a frame structure having first and second independent frame elements. A graft member is attached to both the first and second frame elements and includes a closure member, such as a valve leaflet. The closure member is movable between a first position that allows fluid flow through the prosthesis in a first, antegrade direction and a second position that restricts flow through the prosthesis in a second, retrograde direction.
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: February 12, 2013
    Assignee: Cook Medical Technologies LLC
    Inventors: Grant T. Hoffman, Sean D. Chambers, Jeffry S. Melsheimer
  • Patent number: 8359721
    Abstract: A system and method for loading an endoprosthesis, such as a stent or valve, into an introducer is provided that permits interventionalists to load the endoprosthesis easily at the bedside. The system can include a compressor for compressing the endoprosthesis to a cross-sectional area less than the cross-sectional area of the introducer lumen. The compressor has a funnel portion at one end where the un-compressed endoprosthesis can be introduced and another end where the introducer and sleeves of a split sleeve device are inserted. The sleeves conform to the compressor passage and surround the endoprosthesis to collapse the endoprosthesis. The split sleeve device also includes a mounting device coupled to the sleeves. The endoprosthesis is compressed and loaded into the introducer by the relative movement of the mounting device and the compressor, where the endoprosthesis remains generally stationary while being compressed and loaded in order to avoid potentially compromising the endoprosthesis.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: January 29, 2013
    Assignee: Cook Medical Technologies LLC
    Inventors: Jeffry S. Melsheimer, Grant T. Hoffman
  • Publication number: 20130013049
    Abstract: A delivery system is provided for a self-expanding medical device. The delivery system has a handle assembly with a housing. The housing has a slot with a deployment knob extending therethrough. The self-expanding medical device is deployed by restraining the housing of the handle assembly and pulling on the deployment knob. This causes an outer sheath to withdraw proximally from an inner catheter to release the self-expanding medical device from a space between the outer sheath and inner catheter.
    Type: Application
    Filed: July 5, 2012
    Publication date: January 10, 2013
    Applicant: Cook Medical Technologies LLC
    Inventors: Jeffry S. Melsheimer, Grant T. Hoffman, Joseph E. Hughes, Gregory A. Frankland, Tyler Bunch
  • Patent number: 8348494
    Abstract: A system and apparatus for mixing and dispensing a composition, such as a vertebroplasty composition, is disclosed.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: January 8, 2013
    Assignee: Cook Medical Technologies LLC
    Inventors: Jeffry S. Melsheimer, Meridith Cavett
  • Publication number: 20120323213
    Abstract: The present invention provides a medical device for manipulation of tissue of a patient. The medical device comprises a shaft having a proximal section extending to a distal section that has a closed distal end portion. The shaft has a plurality of lumens formed therein including a first lumen and a second lumen. The first lumen is for distally advancing a first reactant through the proximal section. The second lumen is for distally advancing a second reactant through the proximal section. Positioned longitudinally within the shaft and distally from the first and second lumens is a mixing element. The mixing element is in fluid communication with the first and second lumens. The mixing element has a series of baffles for mixing the first and second reactants together producing a reaction product to heat the closed distal end portion of the shaft for manipulation of the tissue.
    Type: Application
    Filed: February 28, 2011
    Publication date: December 20, 2012
    Applicant: Cook Medical Technologies LLC
    Inventors: Brian L. Bates, Jeffry S. Melsheimer
  • Publication number: 20120277729
    Abstract: A catheter having a selectively variable degree of flexibility includes an elongate tubular outer member and an elongate tubular inner member disposed within the outer member. The catheter further includes a cavity disposed in between the outer and inner members. A tubular braid of filaments may be disposed within the cavity. The outer and inner members are movable relative to each other along intermediate portions thereof when in a first configuration, and are not movable relative to each other when in a second configuration. When the inner and outer members are in the first configuration, the tubular braid of filaments is movably disposed relative to at least one of the outer member and the inner member. When the inner and outer members are in the second configuration, the inner and outer members clamp the tubular braid of filaments in a fixed position relative to the inner and outer members.
    Type: Application
    Filed: April 30, 2012
    Publication date: November 1, 2012
    Inventor: Jeffry S. Melsheimer
  • Publication number: 20120277586
    Abstract: A feeding tube for insertion into the jejunum of a patient. An elongated tubular member has a proximal portion, a distal portion, a lumen extending between the proximal and distal portions, and at least one aperture at the distal portion. The aperture is sized for passage of fluid material from the lumen into the jejunum. An inflatable balloon is disposed about a length of the elongated tubular member distal portion. The balloon is sized and configured such that upon inflation via water or saline inflation media, the balloon projects outwardly from the tubular member distal portion so as to be engageable with an interior wall of the body passageway. An echogenic material is disposed along the tubular member distal portion in conjunction with the balloon to provide an echogenic capability, so that the tubular member length is visible under ultrasound imaging.
    Type: Application
    Filed: April 26, 2011
    Publication date: November 1, 2012
    Inventors: Christopher D. Bosel, Jeffry S. Melsheimer, Nathaniel A. Irwin, Amro Kamel
  • Publication number: 20120265055
    Abstract: A tube for insertion into a body passageway of a patient includes a generally elongated tubular member having a proximal portion, a distal portion, a lumen extending between the proximal portion and the distal portion, and at least one aperture at the distal portion sized and positioned for passage of fluid material therethrough from the lumen to a target area in the body passageway. The tubular member is structured such that the distal portion is selectively movable between the generally elongated configuration and a shaped configuration. A length of the distal portion is provided with one or more echogenic members disposed therealong such that the distal portion length is visible under ultrasound visualization when in the shaped configuration.
    Type: Application
    Filed: April 15, 2011
    Publication date: October 18, 2012
    Inventors: Jeffry S. Melsheimer, Nathaniel A. Irwin, Amro Kamel
  • Patent number: 8287558
    Abstract: A medical device for providing wall apposition of two bodily walls in accordance with the teachings of the present invention. The medical device is used at a previously formed puncture site having perforations formed in the walls. By way of example, the two walls are described herein as the abdominal and gastric walls, although it will be recognized that any two bodily walls may be fastened together utilizing the medical device and the methods described herein. It will also be understood that the procedures described herein may be performed using image guidance such as fluoroscopy, although the device and method may readily be performed without such assistance.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: October 16, 2012
    Assignee: Cook Medical Technologies LLC
    Inventor: Jeffry S. Melsheimer
  • Publication number: 20120245590
    Abstract: Among other things, an apparatus for mixing and dispensing a bone cement mixture are provided. In certain embodiments, the apparatus includes a housing having a first chamber for containing an ampoule having a first bone cement component. The housing has a second chamber for containing a second bone cement component and the first and second chambers are in fluid communication. An ampoule breaking device is disposed within the first chamber and is configured to engage and break the ampoule for release of the first bone cement component. Disposed within the second chamber is an impeller that is configured to rotate such that the impeller mixes the first and second bone cement components together to form the bone cement mixture. Adjacent the impeller is a displacer that is configured to advance through the second chamber, receiving the impeller and dispensing the bone cement mixture.
    Type: Application
    Filed: June 11, 2012
    Publication date: September 27, 2012
    Inventors: Jeffry S. Melsheimer, Jonathan Lee Bennett, Jessica L. Burke
  • Publication number: 20120245487
    Abstract: Among other things, there are disclosed embodiments of a biopsy device using relative rotational motion to obtain a full-core biopsy sample. Inner and outer tubular members are provided connected to a handle. Each member includes a slit, and the members are rotatable with respect to each other. The device is inserted into a patient to a sampling site, and with the slits co-oriented, is extended into the sampling site. Tissue enters the tubular members through the slits, and one or both members are rotated to cut off and enclose tissue within the inner tubular member.
    Type: Application
    Filed: March 23, 2012
    Publication date: September 27, 2012
    Inventors: Robert Eells, Jeffry S. Melsheimer, Grant T. Hoffman