Iomega Corporation

Piper Access, LLC

C. R. Bard, Inc.

Circa Scientific, Inc.

Bard Access Systems, Inc.

Avia Vascular, LLC

Talon Medical, LLC

Jay Allen Muse

Glade Harold Howell

Brian R Schick

Daniel B Blanchard

Kevin Jerry Cook

Rex A Ribelin

Shane Nowell

Matthew C Rich

Ryan S VanDyke

Fred Charles Thomas, Iii

Allen T Bracken

Bret Hamatake

Eric W Lindekugel

Gidon Ofek

Thomas S Russell

David E Jones

Jason R Stats

Ryan C Patterson

Kelly J Christian

R Daniel Hatch

Garrick T Smith

Mark A Christensen

Shayne Messerly

Jeremy B Cox

Amir Orome

Huy Ngoc Tran

Carl F Nicklos

Matthew W Bown

Jordan P Diamond

Stephanie Seaman

Jeanette E Southard

Kevin W Stinger

Anthony S Elangovan

Doug Mayne

Benjamin A Cohen

Joshua D Sherwood

Russell L Bjorklund

Dennis L Salzmann

Sriram Venkataramani

Nathaniel J Fredin

G Kenneth Smithborne

Andrew C Sheffield

Matthew A Draper

Matt Draper

Ryan S Van Dyke

Ryan Patterson

Travis Session

Ryan Carter Patterson

A system can include an elongated instrument that is positioned within a cannula portion of a cannula assembly. The system can include a shield that is coupled with both the elongated instrument and the cannula assembly when in an unlocked state. The shield can permit proximal movement of the elongated instrument relative thereto when in the unlocked state. The shield can automatically transition to a locked state to attach to a distal end of the elongated instrument to restrict access to a distal tip of the elongated instrument.

Safety shields for elongated instruments and related systems and methods

A method can include engaging the pericardium of a patient at two engagement positions of the pericardium. The method can further include moving the two engagement positions of the pericardium away from each other to tension a portion of the pericardium. The method can further include advancing an access device through the tensioned portion of the pericardium to introduce the access device into the pericardial space of the patient. Other and further methods are also disclosed.

Tissue engagement devices, systems, and methods

A system can include a needle that includes a distal tip configured to be inserted into a vessel of a patient, the needle defining an outer surface. The system can further include a catheter that includes a distal end and an inner surface that defines a lumen within which a portion of the needle is positioned, the distal tip of the needle being at a position that is distal to the distal end of the catheter, the catheter further comprising a catching region of reduced diameter that extends inwardly at the distal end of the catheter. The system can include a longitudinally extending stiffener positioned between the outer surface of the needle and the inner surface of the catheter, the stiffener including a distal end that engages the catching region of the catheter when the catheter and the stiffener are inserted distally into the vessel of the patient over the needle, the stiffener being configured to disengage from the catheter and translate proximally relative thereto to leave the catheter positioned within the vessel of the patient as the stiffener is withdrawn from the catheter in a proximal direction.

Catheter delivery devices, systems, and methods

Embodiments disclosed herein are directed to apparatus and methods for a stepped needle for an intraosseous device that uses the outer surface of the bone cortex as a reference point. Since the thickness of the bone cortex does not vary significantly between patients, the accuracy of needle placement can be improved. The device includes a needle with a stepped increase in outer diameter disposed along the needle shaft. The abrupt change in outer diameter provides a substantial increase in insertion force. In embodiments, the stepped increase prevents any further insertion into the bone cortex. Embodiments include a tapered needle lumen for medullary access confirmation and an overtube that is rotatably and slidably engaged to protect surrounding tissues and prevent needle stick injuries. Further, a needle hub can be rotatable or slidable, and can transition an overtube to an extended position to prevent accidental needle stick injuries.

Step needle for intraosseous access device

A patency device for catheter assemblies and other elongate tubular devices used for establishing access to an interior body portion of a patient is disclosed. The patency device establishes and preserves patency of one or more lumens defined by the catheter assembly by providing impulses of positive pressure to fluid disposed in the lumen of the catheter assembly. In one embodiment, the patency device comprises a fluid reservoir configured to provide a fluid path to at least one lumen of the catheter assembly, and a pressure input portion. The pressure input portion is configured to provide pressure for one or more impulses of positive pressure to a fluid disposed within the lumen. The impulses are configured to dislodge occlusions that may have formed in the lumen. A negative pressure can then be provided to the lumen to aspirate the occlusion.

Systems and methods for correcting and preventing occlusion in a catheter

An intraosseous access system can include a needle that defines a lumen and a longitudinal axis about which the needle can be rotated during an insertion event. The needle can include a proximal end that remains at an exterior of a patient during use, a distal end that can be inserted through the skin of the patient into contact with a bone of the patient, and a distal tip at a distalmost point of the distal end of the needle that is positioned at the longitudinal axis of the needle. The system can further include an obturator sized to be received within the lumen of the needle that can inhibit material from entering the needle as the system is inserted into the bone.

Intraosseous access devices, systems, and methods

A bone biopsy system can include a cutting cannula that is coupled to a powered drill. The powered drill can be actuated to rotate the cutting cannula and cut through a cortical layer of a bone. The powered drill can be decoupled from the cutting cannula while the cutting cannula extends through the cortical layer of the bone. A handle may then be used to manually advance the cutting cannula to a greater depth within the bone to core a sample.

Bone biopsy devices, systems, and methods

An insertion tool for inserting a catheter into a patient's body includes a housing in which at least a portion of the catheter is initially disposed, a hollow needle distally extending from the housing with the catheter pre-disposed over the needle, and a guidewire pre-disposed in the needle. The insertion tool can include a guidewire advancement assembly that can include a first finger pad for selectively advancing the guidewire distally past a distal end of the needle in preparation for distal advancement of the catheter. The insertion tool can further include a catheter advancement assembly that can include a second finger pad for selectively advancing the catheter into the patient. The first and second finger pads can be positioned such that a user can begin to advance the second finger pad after advancing the first finger pad without substantially re-positioning the thumb or finger of the user.

Catheter insertion device including top-mounted advancement components

An alcohol-resistant siliconized polycarbonate polyurethane can include a soft segment and a hard segment. The soft segment can include a polycarbonate polyol and a polysiloxane, which can be present in an amount less than the polycarbonate polyol. The hard segment can include an isocyanate and a chain extender. Peripherally inserted central catheter (PICC) devices can include one or more components that are at least partially formed from one or more formulations of the siliconized polycarbonate polyurethane catheter. The PICC devices can withstand alcohol locking, and can be power injectable both before and after alcohol locking events.

Alcohol-resistant siliconized polycarbonate polyurethanes and medical devices incorporating the same

A medical valve can include a housing that includes a sidewall and defines a chamber. The medical valve can include a septum coupled to the housing. The septum can include a proximal surface and a selectively openable closure positioned within the chamber. The medical valve can further include a plurality of projections that extend away from the sidewall and are configured to contact the proximal surface of the septum to oppose movement of a restricted portion of the septum in a proximal direction such that an aspiration cracking pressure required to open the closure to permit fluid flow through the septum in the proximal direction exceeds an infusion cracking pressure required to open the closure to permit fluid flow through the septum in the distal direction.

Bidirectional medical valves

A system for intraosseous access can include an elongated instrument that is positioned within a cannula portion of a cannula assembly. The system can include a shield that is coupled with both the elongated instrument and the cannula assembly when in an unlocked state. The shield can permit proximal movement of the elongated instrument relative thereto when in the unlocked state. The shield can automatically transition to a locked state to attach to a distal end of the elongated instrument to restrict access to a distal tip of the elongated instrument.

A medical driver can include a handle coupled to a drive shaft. The drive shaft can couple with an access assembly for drilling into bone, and can be displaced relative to the handle from a rotationally restricted state, in which the drive shaft is rotationally restricted relative to the handle, to a drilling state, in which the drive shaft is freely rotatable in at least one direction relative to the handle. The medical driver can further include a mechanical energy-storage device coupled to the drive shaft that can automatically rotate the drive shaft relative to the handle upon transition of the drive shaft to the drilling state. A biasing element can be coupled to the handle and to the drive shaft to provide a bias to maintain the drive shaft in the rotationally restricted state. When distal movement of the drive shaft is opposed, application of a distally directed force on the handle in an amount sufficient to overcome the bias of the biasing element can transition the drive shaft to the drilling state to automatically permit the energy-storage device to rotate the drive shaft relative to the handle.

Medical drilling devices and related systems and methods

A system can include a handle and a needle fixedly secured to the handle. The needle can include a distal tip that can be inserted through a sidewall of a vessel of a patient. The system can further include a catheter that defines a lumen through which the needle extends and includes an engagement surface at an interior thereof. A stiffener can be positioned within the lumen of the catheter at an exterior of the needle and can include an engagement surface that can press distally on the engagement surface of the catheter to advance the catheter distally over the needle and through a lumen of the vessel when the stiffener is advanced distally over the needle. The system can further include a stiffener hub attached to the stiffener, the stiffener hub being movably coupled with the handle so as to translate relative thereto. The stiffener hub can be configured to move distally relative to the handle from a retracted position to a deployed position to advance the stiffener and the catheter over the needle and to a target depth within the lumen of the vessel as the handle is held stationary relative to the vessel.

Growing community of inventors

Salt Lake City, UT, United States of America

Jay Allen Muse