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Researchers Submit Patent Application, "Medical Device Delivery System and Methods of Delivering Medical Devices", for Approval

June 5, 2014



By a News Reporter-Staff News Editor at Politics & Government Week -- From Washington, D.C., VerticalNews journalists report that a patent application by the inventors Gallagher, John (Galway, IE); Duffy, Niall (Galway, IE); Costello, Declan (Galway, IE); Cooney, Oisin (Galway, IE), filed on November 9, 2012, was made available online on May 22, 2014.

The patent's assignee is Medtronic CV Luxembourg S.a.r.l.

News editors obtained the following quote from the background information supplied by the inventors: "Certain embodiments of the present invention are related to medical device delivery systems and methods of delivering medical devices.

"Medical devices can be delivered to a site within a patient through a variety of techniques. For example, a medical device can be implanted or otherwise delivered through conventional open surgical techniques, such as for example open-heart surgery. In some embodiments, the medical device can be implanted or delivered percutaneously. For example, in some percutaneous techniques, a medical device, such as a valve prosthesis can be compacted and loaded onto a delivery device for advancement through a patient's vasculature in a transfemoral, transapical, or transatrial procedure. There is a continuous need for improved delivery systems for use in such surgical, percutaneous, and other delivery techniques."

As a supplement to the background information on this patent application, VerticalNews correspondents also obtained the inventors' summary information for this patent application: "In some embodiments, a medical device delivery system includes a catheter and a retainer disposed within the catheter and engaged with the medical device to restrain relative movement of the medical device in a first axial direction. The retainer can include a curved surface configured to disengage the medical device from the retainer when there is a predetermined amount of relative movement between the medical device and the retainer in a second axial direction.

"In some embodiments, a medical device delivery system includes a catheter, a retainer disposed within the catheter and engaged with the medical device to restrain relative movement of the medical device in an axial direction, and an inflatable balloon configured to facilitate disengagement of the medical device from the retainer by providing a radially outward force on a portion of the medical device when the balloon is inflated.

"In some embodiments, a medical device delivery system includes a catheter having a lumen, a shaft having a lumen and disposed within the catheter lumen, and a retainer disposed within the shaft lumen and engaged with the medical device to restrain relative movement of the medical device in an axial direction. The shaft can include a protrusion extending from an inside surface of the shaft lumen that is configured to disengage the medical device from the retainer when the retainer engages the protrusion.

"In some embodiments, a medical device delivery system includes a catheter, a retainer disposed within the catheter and engaged with the medical device to restrain relative movement of the medical device in an axial direction, and an actuator configured to radially retract the retainer and disengage the medical device from the retainer.

"In some embodiments, a medical device delivery system includes a catheter, a base disposed within a lumen of the catheter and engaged with the medical device to restrain relative movement of the medical device in an axial direction, and a sheath covering the base and engaged with a portion of the medical device to restrain relative movement of the medical device in a radial direction.

"In some embodiments, a medical device delivery system includes a catheter, a base disposed within a lumen of the catheter and engaged with the medical device to restrain relative movement of the medical device in an axial direction, and a pin disposed within the base and engaged with the medical device to restrain relative movement of the medical device in a radial direction. The pin can retract to disengage the medical device from the base.

"In some embodiments, a medical device delivery system includes a catheter, a first retainer disposed within the catheter and engaged with the medical device to restrain relative movement of the medical device in an axial direction, and a second retainer disposed within the catheter and engaged with the medical device to restrain relative movement of the medical device in an outward radial direction. The second retainer is configured such that relative movement in an axial direction between the second retainer and the medical device allows the medical device to disengage from the retainer.

"In some embodiments, a medical device delivery system includes a catheter and a retainer configured to restrain a medical device in an axial direction. The medical device can include a coupling portion configured to engage with the retainer. The coupling portion can have a curved surface that facilitates disengagement of the medical device from the retainer.

BRIEF DESCRIPTION OF THE DRAWINGS/FIGURES

"The accompanying figures, which are incorporated herein, form part of the specification and illustrate embodiments of a valve prosthesis frame and delivery system. Together with the description, the figures further serve to explain the principles of and to enable a person skilled in the relevant art(s) to make, use, and implant the valve prosthesis described herein.

"FIG. 1A illustrates a front view of a medical device for use with one or more of the medical device delivery systems described herein.

"FIG. 1B illustrates a front view of a medical device for use with one or more of the medical device delivery systems described herein.

"FIG. 2A illustrates a front-perspective view of a portion of a delivery catheter in accordance with an embodiment.

"FIG. 2B illustrates a cross-sectional view of a retainer of the delivery catheter of FIG. 2A.

"FIG. 3 illustrates a stage of a delivery operation of the delivery catheter of FIG. 2A.

"FIG. 4 is an illustration of a portion of a retainer system in accordance with an embodiment.

"FIG. 5A illustrates a view of a retainer system in accordance with an embodiment at a first stage in a delivery operation.

"FIG. 5B illustrates a view of the retainer system of FIG. 5A at a second stage in a delivery operation.

"FIG. 6A illustrates a front-perspective view of a retainer in accordance with an embodiment at a first stage in a delivery operation.

"FIG. 6B illustrates a front view of the retainer of FIG. 6A at a first stage in a delivery operation.

"FIG. 6C illustrates a front view of the retainer of FIG. 6A at a second stage in a delivery operation.

"FIG. 7A illustrates a front-perspective view of a retainer in accordance with an embodiment at a first stage in a delivery operation.

"FIG. 7B illustrates a side view of the retainer of FIG. 7A at a first stage in a delivery operation.

"FIG. 7C illustrates a side view of the retainer of FIG. 7A at a second stage in a delivery operation.

"FIG. 7D illustrates a front view of a shaft for use with the retainer of FIG. 7A.

"FIG. 8A illustrates a partially sectional view of a shaft system in accordance with an embodiment.

"FIG. 8B illustrates a view of the shaft system of FIG. 8A along line 8-8 of FIG. 8A.

"FIG. 9 illustrates a front-perspective view of a retainer system in accordance with an embodiment along with a portion of a medical device.

"FIG. 10A illustrates a cross-sectional view of the retainer system of FIG. 9 at a first stage in a delivery operation.

"FIG. 10B illustrates a cross-sectional view of the retainer system of FIG. 9 at a second stage in a delivery operation.

"FIG. 10C illustrates a cross-sectional view of the retainer system of FIG. 9 at a third stage in a delivery operation.

"FIG. 11A illustrates a front perspective view of a retainer system in accordance with an embodiment along with a portion of a medical device at a first stage in a delivery operation.

"FIG. 11B illustrates a front perspective view of the retainer system of FIG. 11A at a second stage in a delivery operation.

"FIG. 11C illustrates a front perspective view of the retainer system of FIG. 11A at a third stage in a delivery operation.

"FIG. 12A illustrates a front perspective view of a retainer system in accordance with an embodiment along with a portion of a medical device at a first stage in a delivery operation.

"FIG. 12B illustrates a front perspective view of the retainer system of FIG. 12A at a second stage in a delivery operation.

"FIG. 12C illustrates a front perspective view of the retainer system of FIG. 12A at a third stage in a delivery operation.

"FIG. 13A illustrates a front view of a retainer system in accordance with an embodiment along with a portion of a medical device at a first stage in a delivery operation.

"FIG. 13B illustrates a front view of the retainer system of FIG. 13A at a second stage in a delivery operation.

"FIG. 13C illustrates a cross-sectional view of the retainer system of FIG. 13A at a first stage.

"FIG. 13D illustrates a cross-sectional view of the retainer system of FIG. 13A at a second stage in a delivery operation.

"FIG. 14 illustrates a medical device for use with one or more of the medical device delivery systems described herein.

"FIG. 15A illustrates a front view of a delivery catheter in accordance with an embodiment.

"FIG. 15B illustrates a cross-sectional view of the delivery catheter of FIG. 15B.

"FIG. 16A illustrates a front view of a delivery catheter in accordance with an embodiment.

"FIG. 16B illustrates a cross-sectional view of the delivery catheter of FIG. 16A at a first stage in a delivery operation.

"FIG. 16C illustrates a cross-sectional view of a portion of the delivery catheter of FIG. 16A at a second stage in a delivery operation."

For additional information on this patent application, see: Gallagher, John; Duffy, Niall; Costello, Declan; Cooney, Oisin. Medical Device Delivery System and Methods of Delivering Medical Devices. Filed November 9, 2012 and posted May 22, 2014. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=1397&p=28&f=G&l=50&d=PG01&S1=20140515.PD.&OS=PD/20140515&RS=PD/20140515

Keywords for this news article include: Surgery, Prosthetics, Medical Devices, Medtronic CV Luxembourg S.a.r.l..

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Source: Politics & Government Week


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